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-rw-r--r--libraries/pack200/src/bands.cpp642
-rw-r--r--libraries/pack200/src/bands.h604
-rw-r--r--libraries/pack200/src/bytes.cpp246
-rw-r--r--libraries/pack200/src/bytes.h472
-rw-r--r--libraries/pack200/src/coding.cpp1762
-rw-r--r--libraries/pack200/src/coding.h348
-rw-r--r--libraries/pack200/src/constants.h712
-rw-r--r--libraries/pack200/src/unpack.cpp8363
-rw-r--r--libraries/pack200/src/unpack.h992
-rw-r--r--libraries/pack200/src/unpack200.cpp188
-rw-r--r--libraries/pack200/src/utils.cpp28
-rw-r--r--libraries/pack200/src/utils.h6
-rw-r--r--libraries/pack200/src/zip.cpp838
-rw-r--r--libraries/pack200/src/zip.h136
14 files changed, 7669 insertions, 7668 deletions
diff --git a/libraries/pack200/src/bands.cpp b/libraries/pack200/src/bands.cpp
index 1608d838..e82613b5 100644
--- a/libraries/pack200/src/bands.cpp
+++ b/libraries/pack200/src/bands.cpp
@@ -47,188 +47,188 @@
void band::readData(int expectedLength)
{
- assert(expectedLength >= 0);
- assert(vs[0].cmk == cmk_ERROR);
- if (expectedLength != 0)
- {
- assert(length == 0);
- length = expectedLength;
- }
- if (length == 0)
- {
- assert((rplimit = cm.vs0.rp = u->rp) != nullptr);
- return;
- }
- assert(length > 0);
+ assert(expectedLength >= 0);
+ assert(vs[0].cmk == cmk_ERROR);
+ if (expectedLength != 0)
+ {
+ assert(length == 0);
+ length = expectedLength;
+ }
+ if (length == 0)
+ {
+ assert((rplimit = cm.vs0.rp = u->rp) != nullptr);
+ return;
+ }
+ assert(length > 0);
- bool is_BYTE1 = (defc->spec == BYTE1_spec);
+ bool is_BYTE1 = (defc->spec == BYTE1_spec);
- if (is_BYTE1)
- {
- // No possibility of coding change. Sizing is exact.
- u->ensure_input(length);
- }
- else
- {
- // Make a conservatively generous estimate of band size in bytes.
- // Assume B == 5 everywhere.
- // Assume awkward pop with all {U} values (2*5 per value)
- int64_t generous = (int64_t)length * (B_MAX * 3 + 1) + C_SLOP;
- u->ensure_input(generous);
- }
+ if (is_BYTE1)
+ {
+ // No possibility of coding change. Sizing is exact.
+ u->ensure_input(length);
+ }
+ else
+ {
+ // Make a conservatively generous estimate of band size in bytes.
+ // Assume B == 5 everywhere.
+ // Assume awkward pop with all {U} values (2*5 per value)
+ int64_t generous = (int64_t)length * (B_MAX * 3 + 1) + C_SLOP;
+ u->ensure_input(generous);
+ }
- // Read one value to see what it might be.
- int XB = _meta_default;
- if (!is_BYTE1)
- {
- // must be a variable-length coding
- assert(defc->B() > 1 && defc->L() > 0);
+ // Read one value to see what it might be.
+ int XB = _meta_default;
+ if (!is_BYTE1)
+ {
+ // must be a variable-length coding
+ assert(defc->B() > 1 && defc->L() > 0);
- value_stream xvs;
- coding *valc = defc;
- if (valc->D() != 0)
- {
- valc = coding::findBySpec(defc->B(), defc->H(), defc->S());
- assert(!valc->isMalloc);
- }
- xvs.init(u->rp, u->rplimit, valc);
- int X = xvs.getInt();
- if (valc->S() != 0)
- {
- assert(valc->min <= -256);
- XB = -1 - X;
- }
- else
- {
- int L = valc->L();
- assert(valc->max >= L + 255);
- XB = X - L;
- }
- if (0 <= XB && XB < 256)
- {
- // Skip over the escape value.
- u->rp = xvs.rp;
- }
- else
- {
- // No, it's still default.
- XB = _meta_default;
- }
- }
+ value_stream xvs;
+ coding *valc = defc;
+ if (valc->D() != 0)
+ {
+ valc = coding::findBySpec(defc->B(), defc->H(), defc->S());
+ assert(!valc->isMalloc);
+ }
+ xvs.init(u->rp, u->rplimit, valc);
+ int X = xvs.getInt();
+ if (valc->S() != 0)
+ {
+ assert(valc->min <= -256);
+ XB = -1 - X;
+ }
+ else
+ {
+ int L = valc->L();
+ assert(valc->max >= L + 255);
+ XB = X - L;
+ }
+ if (0 <= XB && XB < 256)
+ {
+ // Skip over the escape value.
+ u->rp = xvs.rp;
+ }
+ else
+ {
+ // No, it's still default.
+ XB = _meta_default;
+ }
+ }
- if (XB <= _meta_canon_max)
- {
- byte XB_byte = (byte)XB;
- byte *XB_ptr = &XB_byte;
- cm.init(u->rp, u->rplimit, XB_ptr, 0, defc, length, nullptr);
- }
- else
- {
- assert(u->meta_rp != nullptr);
- // Scribble the initial byte onto the band.
- byte *save_meta_rp = --u->meta_rp;
- byte save_meta_xb = (*save_meta_rp);
- (*save_meta_rp) = (byte)XB;
- cm.init(u->rp, u->rplimit, u->meta_rp, 0, defc, length, nullptr);
- (*save_meta_rp) = save_meta_xb; // put it back, just to be tidy
- }
- rplimit = u->rp;
+ if (XB <= _meta_canon_max)
+ {
+ byte XB_byte = (byte)XB;
+ byte *XB_ptr = &XB_byte;
+ cm.init(u->rp, u->rplimit, XB_ptr, 0, defc, length, nullptr);
+ }
+ else
+ {
+ assert(u->meta_rp != nullptr);
+ // Scribble the initial byte onto the band.
+ byte *save_meta_rp = --u->meta_rp;
+ byte save_meta_xb = (*save_meta_rp);
+ (*save_meta_rp) = (byte)XB;
+ cm.init(u->rp, u->rplimit, u->meta_rp, 0, defc, length, nullptr);
+ (*save_meta_rp) = save_meta_xb; // put it back, just to be tidy
+ }
+ rplimit = u->rp;
- rewind();
+ rewind();
}
void band::setIndex(cpindex *ix_)
{
- assert(ix_ == nullptr || ixTag == ix_->ixTag);
- ix = ix_;
+ assert(ix_ == nullptr || ixTag == ix_->ixTag);
+ ix = ix_;
}
void band::setIndexByTag(byte tag)
{
- setIndex(u->cp.getIndex(tag));
+ setIndex(u->cp.getIndex(tag));
}
entry *band::getRefCommon(cpindex *ix_, bool nullOKwithCaller)
{
- assert(ix_->ixTag == ixTag ||
- (ixTag == CONSTANT_Literal && ix_->ixTag >= CONSTANT_Integer &&
- ix_->ixTag <= CONSTANT_String));
- int n = vs[0].getInt() - nullOK;
- // Note: band-local nullOK means nullptr encodes as 0.
- // But nullOKwithCaller means caller is willing to tolerate a nullptr.
- entry *ref = ix_->get(n);
- if (ref == nullptr && !(nullOKwithCaller && n == -1))
- unpack_abort(n == -1 ? "nullptr ref" : "bad ref");
- return ref;
+ assert(ix_->ixTag == ixTag ||
+ (ixTag == CONSTANT_Literal && ix_->ixTag >= CONSTANT_Integer &&
+ ix_->ixTag <= CONSTANT_String));
+ int n = vs[0].getInt() - nullOK;
+ // Note: band-local nullOK means nullptr encodes as 0.
+ // But nullOKwithCaller means caller is willing to tolerate a nullptr.
+ entry *ref = ix_->get(n);
+ if (ref == nullptr && !(nullOKwithCaller && n == -1))
+ unpack_abort(n == -1 ? "nullptr ref" : "bad ref");
+ return ref;
}
int64_t band::getLong(band &lo_band, bool have_hi)
{
- band &hi_band = (*this);
- assert(lo_band.bn == hi_band.bn + 1);
- uint32_t lo = lo_band.getInt();
- if (!have_hi)
- {
- assert(hi_band.length == 0);
- return makeLong(0, lo);
- }
- uint32_t hi = hi_band.getInt();
- return makeLong(hi, lo);
+ band &hi_band = (*this);
+ assert(lo_band.bn == hi_band.bn + 1);
+ uint32_t lo = lo_band.getInt();
+ if (!have_hi)
+ {
+ assert(hi_band.length == 0);
+ return makeLong(0, lo);
+ }
+ uint32_t hi = hi_band.getInt();
+ return makeLong(hi, lo);
}
int band::getIntTotal()
{
- if (length == 0)
- return 0;
- if (total_memo > 0)
- return total_memo - 1;
- int total = getInt();
- // overflow checks require that none of the addends are <0,
- // and that the partial sums never overflow (wrap negative)
- if (total < 0)
- {
- unpack_abort("overflow detected");
- }
- for (int k = length - 1; k > 0; k--)
- {
- int prev_total = total;
- total += vs[0].getInt();
- if (total < prev_total)
- {
- unpack_abort("overflow detected");
- }
- }
- rewind();
- total_memo = total + 1;
- return total;
+ if (length == 0)
+ return 0;
+ if (total_memo > 0)
+ return total_memo - 1;
+ int total = getInt();
+ // overflow checks require that none of the addends are <0,
+ // and that the partial sums never overflow (wrap negative)
+ if (total < 0)
+ {
+ unpack_abort("overflow detected");
+ }
+ for (int k = length - 1; k > 0; k--)
+ {
+ int prev_total = total;
+ total += vs[0].getInt();
+ if (total < prev_total)
+ {
+ unpack_abort("overflow detected");
+ }
+ }
+ rewind();
+ total_memo = total + 1;
+ return total;
}
int band::getIntCount(int tag)
{
- if (length == 0)
- return 0;
- if (tag >= HIST0_MIN && tag <= HIST0_MAX)
- {
- if (hist0 == nullptr)
- {
- // Lazily calculate an approximate histogram.
- hist0 = U_NEW(int, (HIST0_MAX - HIST0_MIN) + 1);
- for (int k = length; k > 0; k--)
- {
- int x = vs[0].getInt();
- if (x >= HIST0_MIN && x <= HIST0_MAX)
- hist0[x - HIST0_MIN] += 1;
- }
- rewind();
- }
- return hist0[tag - HIST0_MIN];
- }
- int total = 0;
- for (int k = length; k > 0; k--)
- {
- total += (vs[0].getInt() == tag) ? 1 : 0;
- }
- rewind();
- return total;
+ if (length == 0)
+ return 0;
+ if (tag >= HIST0_MIN && tag <= HIST0_MAX)
+ {
+ if (hist0 == nullptr)
+ {
+ // Lazily calculate an approximate histogram.
+ hist0 = U_NEW(int, (HIST0_MAX - HIST0_MIN) + 1);
+ for (int k = length; k > 0; k--)
+ {
+ int x = vs[0].getInt();
+ if (x >= HIST0_MIN && x <= HIST0_MAX)
+ hist0[x - HIST0_MIN] += 1;
+ }
+ rewind();
+ }
+ return hist0[tag - HIST0_MIN];
+ }
+ int total = 0;
+ for (int k = length; k > 0; k--)
+ {
+ total += (vs[0].getInt() == tag) ? 1 : 0;
+ }
+ rewind();
+ return total;
}
#define INDEX_INIT(tag, nullOK, subindex) ((tag) + (subindex) * SUBINDEX_BIT + (nullOK) * 256)
@@ -240,184 +240,184 @@ int band::getIntCount(int tag)
struct band_init
{
- int defc;
- int index;
+ int defc;
+ int index;
};
#define BAND_INIT(name, cspec, ix) \
- { \
- cspec, ix \
- }
+ { \
+ cspec, ix \
+ }
const band_init all_band_inits[] =
- {
- // BAND_INIT(archive_magic, BYTE1_spec, 0),
- // BAND_INIT(archive_header, UNSIGNED5_spec, 0),
- // BAND_INIT(band_headers, BYTE1_spec, 0),
- BAND_INIT(cp_Utf8_prefix, DELTA5_spec, 0), BAND_INIT(cp_Utf8_suffix, UNSIGNED5_spec, 0),
- BAND_INIT(cp_Utf8_chars, CHAR3_spec, 0), BAND_INIT(cp_Utf8_big_suffix, DELTA5_spec, 0),
- BAND_INIT(cp_Utf8_big_chars, DELTA5_spec, 0), BAND_INIT(cp_Int, UDELTA5_spec, 0),
- BAND_INIT(cp_Float, UDELTA5_spec, 0), BAND_INIT(cp_Long_hi, UDELTA5_spec, 0),
- BAND_INIT(cp_Long_lo, DELTA5_spec, 0), BAND_INIT(cp_Double_hi, UDELTA5_spec, 0),
- BAND_INIT(cp_Double_lo, DELTA5_spec, 0),
- BAND_INIT(cp_String, UDELTA5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(cp_Class, UDELTA5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(cp_Signature_form, DELTA5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(cp_Signature_classes, UDELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(cp_Descr_name, DELTA5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(cp_Descr_type, UDELTA5_spec, INDEX(CONSTANT_Signature)),
- BAND_INIT(cp_Field_class, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(cp_Field_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
- BAND_INIT(cp_Method_class, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(cp_Method_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
- BAND_INIT(cp_Imethod_class, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(cp_Imethod_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
- BAND_INIT(attr_definition_headers, BYTE1_spec, 0),
- BAND_INIT(attr_definition_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(attr_definition_layout, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(ic_this_class, UDELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(ic_flags, UNSIGNED5_spec, 0),
- BAND_INIT(ic_outer_class, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Class)),
- BAND_INIT(ic_name, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
- BAND_INIT(class_this, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(class_super, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(class_interface_count, DELTA5_spec, 0),
- BAND_INIT(class_interface, DELTA5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(class_field_count, DELTA5_spec, 0),
- BAND_INIT(class_method_count, DELTA5_spec, 0),
- BAND_INIT(field_descr, DELTA5_spec, INDEX(CONSTANT_NameandType)),
- BAND_INIT(field_flags_hi, UNSIGNED5_spec, 0),
- BAND_INIT(field_flags_lo, UNSIGNED5_spec, 0),
- BAND_INIT(field_attr_count, UNSIGNED5_spec, 0),
- BAND_INIT(field_attr_indexes, UNSIGNED5_spec, 0),
- BAND_INIT(field_attr_calls, UNSIGNED5_spec, 0),
- BAND_INIT(field_ConstantValue_KQ, UNSIGNED5_spec, INDEX(CONSTANT_Literal)),
- BAND_INIT(field_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
- BAND_INIT(field_metadata_bands, -1, -1), BAND_INIT(field_attr_bands, -1, -1),
- BAND_INIT(method_descr, MDELTA5_spec, INDEX(CONSTANT_NameandType)),
- BAND_INIT(method_flags_hi, UNSIGNED5_spec, 0),
- BAND_INIT(method_flags_lo, UNSIGNED5_spec, 0),
- BAND_INIT(method_attr_count, UNSIGNED5_spec, 0),
- BAND_INIT(method_attr_indexes, UNSIGNED5_spec, 0),
- BAND_INIT(method_attr_calls, UNSIGNED5_spec, 0),
- BAND_INIT(method_Exceptions_N, UNSIGNED5_spec, 0),
- BAND_INIT(method_Exceptions_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(method_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
- BAND_INIT(method_metadata_bands, -1, -1), BAND_INIT(method_attr_bands, -1, -1),
- BAND_INIT(class_flags_hi, UNSIGNED5_spec, 0),
- BAND_INIT(class_flags_lo, UNSIGNED5_spec, 0),
- BAND_INIT(class_attr_count, UNSIGNED5_spec, 0),
- BAND_INIT(class_attr_indexes, UNSIGNED5_spec, 0),
- BAND_INIT(class_attr_calls, UNSIGNED5_spec, 0),
- BAND_INIT(class_SourceFile_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
- BAND_INIT(class_EnclosingMethod_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(class_EnclosingMethod_RDN, UNSIGNED5_spec,
- NULL_OR_INDEX(CONSTANT_NameandType)),
- BAND_INIT(class_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
- BAND_INIT(class_metadata_bands, -1, -1),
- BAND_INIT(class_InnerClasses_N, UNSIGNED5_spec, 0),
- BAND_INIT(class_InnerClasses_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(class_InnerClasses_F, UNSIGNED5_spec, 0),
- BAND_INIT(class_InnerClasses_outer_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
- BAND_INIT(class_InnerClasses_name_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
- BAND_INIT(class_ClassFile_version_minor_H, UNSIGNED5_spec, 0),
- BAND_INIT(class_ClassFile_version_major_H, UNSIGNED5_spec, 0),
- BAND_INIT(class_attr_bands, -1, -1), BAND_INIT(code_headers, BYTE1_spec, 0),
- BAND_INIT(code_max_stack, UNSIGNED5_spec, 0),
- BAND_INIT(code_max_na_locals, UNSIGNED5_spec, 0),
- BAND_INIT(code_handler_count, UNSIGNED5_spec, 0),
- BAND_INIT(code_handler_start_P, BCI5_spec, 0),
- BAND_INIT(code_handler_end_PO, BRANCH5_spec, 0),
- BAND_INIT(code_handler_catch_PO, BRANCH5_spec, 0),
- BAND_INIT(code_handler_class_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
- BAND_INIT(code_flags_hi, UNSIGNED5_spec, 0),
- BAND_INIT(code_flags_lo, UNSIGNED5_spec, 0),
- BAND_INIT(code_attr_count, UNSIGNED5_spec, 0),
- BAND_INIT(code_attr_indexes, UNSIGNED5_spec, 0),
- BAND_INIT(code_attr_calls, UNSIGNED5_spec, 0),
- BAND_INIT(code_StackMapTable_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_StackMapTable_frame_T, BYTE1_spec, 0),
- BAND_INIT(code_StackMapTable_local_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_StackMapTable_stack_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_StackMapTable_offset, UNSIGNED5_spec, 0),
- BAND_INIT(code_StackMapTable_T, BYTE1_spec, 0),
- BAND_INIT(code_StackMapTable_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
- BAND_INIT(code_StackMapTable_P, BCI5_spec, 0),
- BAND_INIT(code_LineNumberTable_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_LineNumberTable_bci_P, BCI5_spec, 0),
- BAND_INIT(code_LineNumberTable_line, UNSIGNED5_spec, 0),
- BAND_INIT(code_LocalVariableTable_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_LocalVariableTable_bci_P, BCI5_spec, 0),
- BAND_INIT(code_LocalVariableTable_span_O, BRANCH5_spec, 0),
- BAND_INIT(code_LocalVariableTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(code_LocalVariableTable_type_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
- BAND_INIT(code_LocalVariableTable_slot, UNSIGNED5_spec, 0),
- BAND_INIT(code_LocalVariableTypeTable_N, UNSIGNED5_spec, 0),
- BAND_INIT(code_LocalVariableTypeTable_bci_P, BCI5_spec, 0),
- BAND_INIT(code_LocalVariableTypeTable_span_O, BRANCH5_spec, 0),
- BAND_INIT(code_LocalVariableTypeTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(code_LocalVariableTypeTable_type_RS, UNSIGNED5_spec,
- INDEX(CONSTANT_Signature)),
- BAND_INIT(code_LocalVariableTypeTable_slot, UNSIGNED5_spec, 0),
- BAND_INIT(code_attr_bands, -1, -1), BAND_INIT(bc_codes, BYTE1_spec, 0),
- BAND_INIT(bc_case_count, UNSIGNED5_spec, 0), BAND_INIT(bc_case_value, DELTA5_spec, 0),
- BAND_INIT(bc_byte, BYTE1_spec, 0), BAND_INIT(bc_short, DELTA5_spec, 0),
- BAND_INIT(bc_local, UNSIGNED5_spec, 0), BAND_INIT(bc_label, BRANCH5_spec, 0),
- BAND_INIT(bc_intref, DELTA5_spec, INDEX(CONSTANT_Integer)),
- BAND_INIT(bc_floatref, DELTA5_spec, INDEX(CONSTANT_Float)),
- BAND_INIT(bc_longref, DELTA5_spec, INDEX(CONSTANT_Long)),
- BAND_INIT(bc_doubleref, DELTA5_spec, INDEX(CONSTANT_Double)),
- BAND_INIT(bc_stringref, DELTA5_spec, INDEX(CONSTANT_String)),
- BAND_INIT(bc_classref, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
- BAND_INIT(bc_fieldref, DELTA5_spec, INDEX(CONSTANT_Fieldref)),
- BAND_INIT(bc_methodref, UNSIGNED5_spec, INDEX(CONSTANT_Methodref)),
- BAND_INIT(bc_imethodref, DELTA5_spec, INDEX(CONSTANT_InterfaceMethodref)),
- BAND_INIT(bc_thisfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
- BAND_INIT(bc_superfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
- BAND_INIT(bc_thismethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
- BAND_INIT(bc_supermethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
- BAND_INIT(bc_initref, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
- BAND_INIT(bc_escref, UNSIGNED5_spec, INDEX(CONSTANT_All)),
- BAND_INIT(bc_escrefsize, UNSIGNED5_spec, 0), BAND_INIT(bc_escsize, UNSIGNED5_spec, 0),
- BAND_INIT(bc_escbyte, BYTE1_spec, 0),
- BAND_INIT(file_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
- BAND_INIT(file_size_hi, UNSIGNED5_spec, 0), BAND_INIT(file_size_lo, UNSIGNED5_spec, 0),
- BAND_INIT(file_modtime, DELTA5_spec, 0), BAND_INIT(file_options, UNSIGNED5_spec, 0),
- // BAND_INIT(file_bits, BYTE1_spec, 0),
- {0, 0}};
+ {
+ // BAND_INIT(archive_magic, BYTE1_spec, 0),
+ // BAND_INIT(archive_header, UNSIGNED5_spec, 0),
+ // BAND_INIT(band_headers, BYTE1_spec, 0),
+ BAND_INIT(cp_Utf8_prefix, DELTA5_spec, 0), BAND_INIT(cp_Utf8_suffix, UNSIGNED5_spec, 0),
+ BAND_INIT(cp_Utf8_chars, CHAR3_spec, 0), BAND_INIT(cp_Utf8_big_suffix, DELTA5_spec, 0),
+ BAND_INIT(cp_Utf8_big_chars, DELTA5_spec, 0), BAND_INIT(cp_Int, UDELTA5_spec, 0),
+ BAND_INIT(cp_Float, UDELTA5_spec, 0), BAND_INIT(cp_Long_hi, UDELTA5_spec, 0),
+ BAND_INIT(cp_Long_lo, DELTA5_spec, 0), BAND_INIT(cp_Double_hi, UDELTA5_spec, 0),
+ BAND_INIT(cp_Double_lo, DELTA5_spec, 0),
+ BAND_INIT(cp_String, UDELTA5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(cp_Class, UDELTA5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(cp_Signature_form, DELTA5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(cp_Signature_classes, UDELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(cp_Descr_name, DELTA5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(cp_Descr_type, UDELTA5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(cp_Field_class, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(cp_Field_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(cp_Method_class, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(cp_Method_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(cp_Imethod_class, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(cp_Imethod_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(attr_definition_headers, BYTE1_spec, 0),
+ BAND_INIT(attr_definition_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(attr_definition_layout, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(ic_this_class, UDELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(ic_flags, UNSIGNED5_spec, 0),
+ BAND_INIT(ic_outer_class, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Class)),
+ BAND_INIT(ic_name, DELTA5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
+ BAND_INIT(class_this, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(class_super, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(class_interface_count, DELTA5_spec, 0),
+ BAND_INIT(class_interface, DELTA5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(class_field_count, DELTA5_spec, 0),
+ BAND_INIT(class_method_count, DELTA5_spec, 0),
+ BAND_INIT(field_descr, DELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(field_flags_hi, UNSIGNED5_spec, 0),
+ BAND_INIT(field_flags_lo, UNSIGNED5_spec, 0),
+ BAND_INIT(field_attr_count, UNSIGNED5_spec, 0),
+ BAND_INIT(field_attr_indexes, UNSIGNED5_spec, 0),
+ BAND_INIT(field_attr_calls, UNSIGNED5_spec, 0),
+ BAND_INIT(field_ConstantValue_KQ, UNSIGNED5_spec, INDEX(CONSTANT_Literal)),
+ BAND_INIT(field_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(field_metadata_bands, -1, -1), BAND_INIT(field_attr_bands, -1, -1),
+ BAND_INIT(method_descr, MDELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(method_flags_hi, UNSIGNED5_spec, 0),
+ BAND_INIT(method_flags_lo, UNSIGNED5_spec, 0),
+ BAND_INIT(method_attr_count, UNSIGNED5_spec, 0),
+ BAND_INIT(method_attr_indexes, UNSIGNED5_spec, 0),
+ BAND_INIT(method_attr_calls, UNSIGNED5_spec, 0),
+ BAND_INIT(method_Exceptions_N, UNSIGNED5_spec, 0),
+ BAND_INIT(method_Exceptions_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(method_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(method_metadata_bands, -1, -1), BAND_INIT(method_attr_bands, -1, -1),
+ BAND_INIT(class_flags_hi, UNSIGNED5_spec, 0),
+ BAND_INIT(class_flags_lo, UNSIGNED5_spec, 0),
+ BAND_INIT(class_attr_count, UNSIGNED5_spec, 0),
+ BAND_INIT(class_attr_indexes, UNSIGNED5_spec, 0),
+ BAND_INIT(class_attr_calls, UNSIGNED5_spec, 0),
+ BAND_INIT(class_SourceFile_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
+ BAND_INIT(class_EnclosingMethod_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(class_EnclosingMethod_RDN, UNSIGNED5_spec,
+ NULL_OR_INDEX(CONSTANT_NameandType)),
+ BAND_INIT(class_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(class_metadata_bands, -1, -1),
+ BAND_INIT(class_InnerClasses_N, UNSIGNED5_spec, 0),
+ BAND_INIT(class_InnerClasses_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(class_InnerClasses_F, UNSIGNED5_spec, 0),
+ BAND_INIT(class_InnerClasses_outer_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
+ BAND_INIT(class_InnerClasses_name_RUN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Utf8)),
+ BAND_INIT(class_ClassFile_version_minor_H, UNSIGNED5_spec, 0),
+ BAND_INIT(class_ClassFile_version_major_H, UNSIGNED5_spec, 0),
+ BAND_INIT(class_attr_bands, -1, -1), BAND_INIT(code_headers, BYTE1_spec, 0),
+ BAND_INIT(code_max_stack, UNSIGNED5_spec, 0),
+ BAND_INIT(code_max_na_locals, UNSIGNED5_spec, 0),
+ BAND_INIT(code_handler_count, UNSIGNED5_spec, 0),
+ BAND_INIT(code_handler_start_P, BCI5_spec, 0),
+ BAND_INIT(code_handler_end_PO, BRANCH5_spec, 0),
+ BAND_INIT(code_handler_catch_PO, BRANCH5_spec, 0),
+ BAND_INIT(code_handler_class_RCN, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
+ BAND_INIT(code_flags_hi, UNSIGNED5_spec, 0),
+ BAND_INIT(code_flags_lo, UNSIGNED5_spec, 0),
+ BAND_INIT(code_attr_count, UNSIGNED5_spec, 0),
+ BAND_INIT(code_attr_indexes, UNSIGNED5_spec, 0),
+ BAND_INIT(code_attr_calls, UNSIGNED5_spec, 0),
+ BAND_INIT(code_StackMapTable_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_StackMapTable_frame_T, BYTE1_spec, 0),
+ BAND_INIT(code_StackMapTable_local_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_StackMapTable_stack_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_StackMapTable_offset, UNSIGNED5_spec, 0),
+ BAND_INIT(code_StackMapTable_T, BYTE1_spec, 0),
+ BAND_INIT(code_StackMapTable_RC, UNSIGNED5_spec, INDEX(CONSTANT_Class)),
+ BAND_INIT(code_StackMapTable_P, BCI5_spec, 0),
+ BAND_INIT(code_LineNumberTable_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_LineNumberTable_bci_P, BCI5_spec, 0),
+ BAND_INIT(code_LineNumberTable_line, UNSIGNED5_spec, 0),
+ BAND_INIT(code_LocalVariableTable_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_LocalVariableTable_bci_P, BCI5_spec, 0),
+ BAND_INIT(code_LocalVariableTable_span_O, BRANCH5_spec, 0),
+ BAND_INIT(code_LocalVariableTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(code_LocalVariableTable_type_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(code_LocalVariableTable_slot, UNSIGNED5_spec, 0),
+ BAND_INIT(code_LocalVariableTypeTable_N, UNSIGNED5_spec, 0),
+ BAND_INIT(code_LocalVariableTypeTable_bci_P, BCI5_spec, 0),
+ BAND_INIT(code_LocalVariableTypeTable_span_O, BRANCH5_spec, 0),
+ BAND_INIT(code_LocalVariableTypeTable_name_RU, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(code_LocalVariableTypeTable_type_RS, UNSIGNED5_spec,
+ INDEX(CONSTANT_Signature)),
+ BAND_INIT(code_LocalVariableTypeTable_slot, UNSIGNED5_spec, 0),
+ BAND_INIT(code_attr_bands, -1, -1), BAND_INIT(bc_codes, BYTE1_spec, 0),
+ BAND_INIT(bc_case_count, UNSIGNED5_spec, 0), BAND_INIT(bc_case_value, DELTA5_spec, 0),
+ BAND_INIT(bc_byte, BYTE1_spec, 0), BAND_INIT(bc_short, DELTA5_spec, 0),
+ BAND_INIT(bc_local, UNSIGNED5_spec, 0), BAND_INIT(bc_label, BRANCH5_spec, 0),
+ BAND_INIT(bc_intref, DELTA5_spec, INDEX(CONSTANT_Integer)),
+ BAND_INIT(bc_floatref, DELTA5_spec, INDEX(CONSTANT_Float)),
+ BAND_INIT(bc_longref, DELTA5_spec, INDEX(CONSTANT_Long)),
+ BAND_INIT(bc_doubleref, DELTA5_spec, INDEX(CONSTANT_Double)),
+ BAND_INIT(bc_stringref, DELTA5_spec, INDEX(CONSTANT_String)),
+ BAND_INIT(bc_classref, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
+ BAND_INIT(bc_fieldref, DELTA5_spec, INDEX(CONSTANT_Fieldref)),
+ BAND_INIT(bc_methodref, UNSIGNED5_spec, INDEX(CONSTANT_Methodref)),
+ BAND_INIT(bc_imethodref, DELTA5_spec, INDEX(CONSTANT_InterfaceMethodref)),
+ BAND_INIT(bc_thisfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
+ BAND_INIT(bc_superfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
+ BAND_INIT(bc_thismethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
+ BAND_INIT(bc_supermethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
+ BAND_INIT(bc_initref, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
+ BAND_INIT(bc_escref, UNSIGNED5_spec, INDEX(CONSTANT_All)),
+ BAND_INIT(bc_escrefsize, UNSIGNED5_spec, 0), BAND_INIT(bc_escsize, UNSIGNED5_spec, 0),
+ BAND_INIT(bc_escbyte, BYTE1_spec, 0),
+ BAND_INIT(file_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
+ BAND_INIT(file_size_hi, UNSIGNED5_spec, 0), BAND_INIT(file_size_lo, UNSIGNED5_spec, 0),
+ BAND_INIT(file_modtime, DELTA5_spec, 0), BAND_INIT(file_options, UNSIGNED5_spec, 0),
+ // BAND_INIT(file_bits, BYTE1_spec, 0),
+ {0, 0}};
band *band::makeBands(unpacker *u)
{
- band *tmp_all_bands = U_NEW(band, BAND_LIMIT);
- for (int i = 0; i < BAND_LIMIT; i++)
- {
- assert((byte *)&all_band_inits[i + 1] <
- (byte *)all_band_inits + sizeof(all_band_inits));
- const band_init &bi = all_band_inits[i];
- band &b = tmp_all_bands[i];
- coding *defc = coding::findBySpec(bi.defc);
- assert((defc == nullptr) == (bi.defc == -1)); // no garbage, please
- assert(defc == nullptr || !defc->isMalloc);
- b.init(u, i, defc);
- if (bi.index > 0)
- {
- b.nullOK = ((bi.index >> 8) & 1);
- b.ixTag = (bi.index & 0xFF);
- }
- }
- return tmp_all_bands;
+ band *tmp_all_bands = U_NEW(band, BAND_LIMIT);
+ for (int i = 0; i < BAND_LIMIT; i++)
+ {
+ assert((byte *)&all_band_inits[i + 1] <
+ (byte *)all_band_inits + sizeof(all_band_inits));
+ const band_init &bi = all_band_inits[i];
+ band &b = tmp_all_bands[i];
+ coding *defc = coding::findBySpec(bi.defc);
+ assert((defc == nullptr) == (bi.defc == -1)); // no garbage, please
+ assert(defc == nullptr || !defc->isMalloc);
+ b.init(u, i, defc);
+ if (bi.index > 0)
+ {
+ b.nullOK = ((bi.index >> 8) & 1);
+ b.ixTag = (bi.index & 0xFF);
+ }
+ }
+ return tmp_all_bands;
}
void band::initIndexes(unpacker *u)
{
- band *tmp_all_bands = u->all_bands;
- for (int i = 0; i < BAND_LIMIT; i++)
- {
- band *scan = &tmp_all_bands[i];
- uint32_t tag = scan->ixTag; // Cf. #define INDEX(tag) above
- if (tag != 0 && tag != CONSTANT_Literal && (tag & SUBINDEX_BIT) == 0)
- {
- scan->setIndex(u->cp.getIndex(tag));
- }
- }
+ band *tmp_all_bands = u->all_bands;
+ for (int i = 0; i < BAND_LIMIT; i++)
+ {
+ band *scan = &tmp_all_bands[i];
+ uint32_t tag = scan->ixTag; // Cf. #define INDEX(tag) above
+ if (tag != 0 && tag != CONSTANT_Literal && (tag & SUBINDEX_BIT) == 0)
+ {
+ scan->setIndex(u->cp.getIndex(tag));
+ }
+ }
}
diff --git a/libraries/pack200/src/bands.h b/libraries/pack200/src/bands.h
index a56cd7d5..66c5aec4 100644
--- a/libraries/pack200/src/bands.h
+++ b/libraries/pack200/src/bands.h
@@ -30,138 +30,138 @@ struct unpacker;
struct band
{
- int bn; // band_number of this band
- coding *defc; // default coding method
- cpindex *ix; // CP entry mapping, if CPRefBand
- byte ixTag; // 0 or 1; nullptr is coded as (nullOK?0:-1)
- byte nullOK; // 0 or 1; nullptr is coded as (nullOK?0:-1)
- int length; // expected # values
- unpacker *u; // back pointer
-
- value_stream vs[2]; // source of values
- coding_method cm; // method used for initial state of vs[0]
- byte *rplimit; // end of band (encoded, transmitted)
-
- int total_memo; // cached value of getIntTotal, or -1
- int *hist0; // approximate. histogram
- enum
- {
- HIST0_MIN = 0,
- HIST0_MAX = 255
- }; // catches the usual cases
-
- // properties for attribute layout elements:
- byte le_kind; // EK_XXX
- byte le_bci; // 0,EK_BCI,EK_BCD,EK_BCO
- byte le_back; // ==EF_BACK
- byte le_len; // 0,1,2,4 (size in classfile), or call addr
- band **le_body; // body of repl, union, call (nullptr-terminated)
+ int bn; // band_number of this band
+ coding *defc; // default coding method
+ cpindex *ix; // CP entry mapping, if CPRefBand
+ byte ixTag; // 0 or 1; nullptr is coded as (nullOK?0:-1)
+ byte nullOK; // 0 or 1; nullptr is coded as (nullOK?0:-1)
+ int length; // expected # values
+ unpacker *u; // back pointer
+
+ value_stream vs[2]; // source of values
+ coding_method cm; // method used for initial state of vs[0]
+ byte *rplimit; // end of band (encoded, transmitted)
+
+ int total_memo; // cached value of getIntTotal, or -1
+ int *hist0; // approximate. histogram
+ enum
+ {
+ HIST0_MIN = 0,
+ HIST0_MAX = 255
+ }; // catches the usual cases
+
+ // properties for attribute layout elements:
+ byte le_kind; // EK_XXX
+ byte le_bci; // 0,EK_BCI,EK_BCD,EK_BCO
+ byte le_back; // ==EF_BACK
+ byte le_len; // 0,1,2,4 (size in classfile), or call addr
+ band **le_body; // body of repl, union, call (nullptr-terminated)
// Note: EK_CASE elements use hist0 to record union tags.
#define le_casetags hist0
- band &nextBand()
- {
- return this[1];
- }
- band &prevBand()
- {
- return this[-1];
- }
-
- void init(unpacker *u_, int bn_, coding *defc_)
- {
- u = u_;
- cm.u = u_;
- bn = bn_;
- defc = defc_;
- }
- void init(unpacker *u_, int bn_, int defcSpec)
- {
- init(u_, bn_, coding::findBySpec(defcSpec));
- }
- void initRef(int ixTag_ = 0, bool nullOK_ = false)
- {
- ixTag = ixTag_;
- nullOK = nullOK_;
- setIndexByTag(ixTag);
- }
-
- void expectMoreLength(int l)
- {
- assert(length >= 0); // able to accept a length
- assert((int)l >= 0); // no overflow
- assert(rplimit == nullptr); // readData not yet called
- length += l;
- assert(length >= l); // no overflow
- }
-
- void setIndex(cpindex *ix_);
- void setIndexByTag(byte tag);
-
- // Parse the band and its meta-coding header.
- void readData(int expectedLength = 0);
-
- // Reset the band for another pass (Cf. Java Band.resetForSecondPass.)
- void rewind()
- {
- cm.reset(&vs[0]);
- }
-
- byte *&curRP()
- {
- return vs[0].rp;
- }
- byte *minRP()
- {
- return cm.vs0.rp;
- }
- byte *maxRP()
- {
- return rplimit;
- }
- size_t size()
- {
- return maxRP() - minRP();
- }
-
- int getByte()
- {
- assert(ix == nullptr);
- return vs[0].getByte();
- }
- int getInt()
- {
- assert(ix == nullptr);
- return vs[0].getInt();
- }
- entry *getRefN()
- {
- assert(ix != nullptr);
- return getRefCommon(ix, true);
- }
- entry *getRef()
- {
- assert(ix != nullptr);
- return getRefCommon(ix, false);
- }
- entry *getRefUsing(cpindex *ix2)
- {
- assert(ix == nullptr);
- return getRefCommon(ix2, true);
- }
- entry *getRefCommon(cpindex *ix, bool nullOK);
- int64_t getLong(band &lo_band, bool have_hi);
-
- static int64_t makeLong(uint32_t hi, uint32_t lo)
- {
- return ((uint64_t)hi << 32) + (((uint64_t)lo << 32) >> 32);
- }
-
- int getIntTotal();
- int getIntCount(int tag);
-
- static band *makeBands(unpacker *u);
- static void initIndexes(unpacker *u);
+ band &nextBand()
+ {
+ return this[1];
+ }
+ band &prevBand()
+ {
+ return this[-1];
+ }
+
+ void init(unpacker *u_, int bn_, coding *defc_)
+ {
+ u = u_;
+ cm.u = u_;
+ bn = bn_;
+ defc = defc_;
+ }
+ void init(unpacker *u_, int bn_, int defcSpec)
+ {
+ init(u_, bn_, coding::findBySpec(defcSpec));
+ }
+ void initRef(int ixTag_ = 0, bool nullOK_ = false)
+ {
+ ixTag = ixTag_;
+ nullOK = nullOK_;
+ setIndexByTag(ixTag);
+ }
+
+ void expectMoreLength(int l)
+ {
+ assert(length >= 0); // able to accept a length
+ assert((int)l >= 0); // no overflow
+ assert(rplimit == nullptr); // readData not yet called
+ length += l;
+ assert(length >= l); // no overflow
+ }
+
+ void setIndex(cpindex *ix_);
+ void setIndexByTag(byte tag);
+
+ // Parse the band and its meta-coding header.
+ void readData(int expectedLength = 0);
+
+ // Reset the band for another pass (Cf. Java Band.resetForSecondPass.)
+ void rewind()
+ {
+ cm.reset(&vs[0]);
+ }
+
+ byte *&curRP()
+ {
+ return vs[0].rp;
+ }
+ byte *minRP()
+ {
+ return cm.vs0.rp;
+ }
+ byte *maxRP()
+ {
+ return rplimit;
+ }
+ size_t size()
+ {
+ return maxRP() - minRP();
+ }
+
+ int getByte()
+ {
+ assert(ix == nullptr);
+ return vs[0].getByte();
+ }
+ int getInt()
+ {
+ assert(ix == nullptr);
+ return vs[0].getInt();
+ }
+ entry *getRefN()
+ {
+ assert(ix != nullptr);
+ return getRefCommon(ix, true);
+ }
+ entry *getRef()
+ {
+ assert(ix != nullptr);
+ return getRefCommon(ix, false);
+ }
+ entry *getRefUsing(cpindex *ix2)
+ {
+ assert(ix == nullptr);
+ return getRefCommon(ix2, true);
+ }
+ entry *getRefCommon(cpindex *ix, bool nullOK);
+ int64_t getLong(band &lo_band, bool have_hi);
+
+ static int64_t makeLong(uint32_t hi, uint32_t lo)
+ {
+ return ((uint64_t)hi << 32) + (((uint64_t)lo << 32) >> 32);
+ }
+
+ int getIntTotal();
+ int getIntCount(int tag);
+
+ static band *makeBands(unpacker *u);
+ static void initIndexes(unpacker *u);
};
extern band all_bands[];
@@ -173,179 +173,179 @@ extern band all_bands[];
// Band schema:
enum band_number
{
- // e_archive_magic,
- // e_archive_header,
- // e_band_headers,
-
- // constant pool contents
- e_cp_Utf8_prefix,
- e_cp_Utf8_suffix,
- e_cp_Utf8_chars,
- e_cp_Utf8_big_suffix,
- e_cp_Utf8_big_chars,
- e_cp_Int,
- e_cp_Float,
- e_cp_Long_hi,
- e_cp_Long_lo,
- e_cp_Double_hi,
- e_cp_Double_lo,
- e_cp_String,
- e_cp_Class,
- e_cp_Signature_form,
- e_cp_Signature_classes,
- e_cp_Descr_name,
- e_cp_Descr_type,
- e_cp_Field_class,
- e_cp_Field_desc,
- e_cp_Method_class,
- e_cp_Method_desc,
- e_cp_Imethod_class,
- e_cp_Imethod_desc,
-
- // bands which define transmission of attributes
- e_attr_definition_headers,
- e_attr_definition_name,
- e_attr_definition_layout,
-
- // band for hardwired InnerClasses attribute (shared across the package)
- e_ic_this_class,
- e_ic_flags,
- // These bands contain data only where flags sets ACC_IC_LONG_FORM:
- e_ic_outer_class,
- e_ic_name,
-
- // bands for carrying class schema information:
- e_class_this,
- e_class_super,
- e_class_interface_count,
- e_class_interface,
-
- // bands for class members
- e_class_field_count,
- e_class_method_count,
- e_field_descr,
- e_field_flags_hi,
- e_field_flags_lo,
- e_field_attr_count,
- e_field_attr_indexes,
- e_field_attr_calls,
- e_field_ConstantValue_KQ,
- e_field_Signature_RS,
- e_field_metadata_bands,
- e_field_attr_bands,
- e_method_descr,
- e_method_flags_hi,
- e_method_flags_lo,
- e_method_attr_count,
- e_method_attr_indexes,
- e_method_attr_calls,
- e_method_Exceptions_N,
- e_method_Exceptions_RC,
- e_method_Signature_RS,
- e_method_metadata_bands,
- e_method_attr_bands,
- e_class_flags_hi,
- e_class_flags_lo,
- e_class_attr_count,
- e_class_attr_indexes,
- e_class_attr_calls,
- e_class_SourceFile_RUN,
- e_class_EnclosingMethod_RC,
- e_class_EnclosingMethod_RDN,
- e_class_Signature_RS,
- e_class_metadata_bands,
- e_class_InnerClasses_N,
- e_class_InnerClasses_RC,
- e_class_InnerClasses_F,
- e_class_InnerClasses_outer_RCN,
- e_class_InnerClasses_name_RUN,
- e_class_ClassFile_version_minor_H,
- e_class_ClassFile_version_major_H,
- e_class_attr_bands,
- e_code_headers,
- e_code_max_stack,
- e_code_max_na_locals,
- e_code_handler_count,
- e_code_handler_start_P,
- e_code_handler_end_PO,
- e_code_handler_catch_PO,
- e_code_handler_class_RCN,
-
- // code attributes
- e_code_flags_hi,
- e_code_flags_lo,
- e_code_attr_count,
- e_code_attr_indexes,
- e_code_attr_calls,
- e_code_StackMapTable_N,
- e_code_StackMapTable_frame_T,
- e_code_StackMapTable_local_N,
- e_code_StackMapTable_stack_N,
- e_code_StackMapTable_offset,
- e_code_StackMapTable_T,
- e_code_StackMapTable_RC,
- e_code_StackMapTable_P,
- e_code_LineNumberTable_N,
- e_code_LineNumberTable_bci_P,
- e_code_LineNumberTable_line,
- e_code_LocalVariableTable_N,
- e_code_LocalVariableTable_bci_P,
- e_code_LocalVariableTable_span_O,
- e_code_LocalVariableTable_name_RU,
- e_code_LocalVariableTable_type_RS,
- e_code_LocalVariableTable_slot,
- e_code_LocalVariableTypeTable_N,
- e_code_LocalVariableTypeTable_bci_P,
- e_code_LocalVariableTypeTable_span_O,
- e_code_LocalVariableTypeTable_name_RU,
- e_code_LocalVariableTypeTable_type_RS,
- e_code_LocalVariableTypeTable_slot,
- e_code_attr_bands,
-
- // bands for bytecodes
- e_bc_codes,
- // remaining bands provide typed opcode fields required by the bc_codes
- e_bc_case_count,
- e_bc_case_value,
- e_bc_byte,
- e_bc_short,
- e_bc_local,
- e_bc_label,
-
- // ldc* operands:
- e_bc_intref,
- e_bc_floatref,
- e_bc_longref,
- e_bc_doubleref,
- e_bc_stringref,
- e_bc_classref,
- e_bc_fieldref,
- e_bc_methodref,
- e_bc_imethodref,
-
- // _self_linker_op family
- e_bc_thisfield,
- e_bc_superfield,
- e_bc_thismethod,
- e_bc_supermethod,
-
- // bc_invokeinit family:
- e_bc_initref,
-
- // bytecode escape sequences
- e_bc_escref,
- e_bc_escrefsize,
- e_bc_escsize,
- e_bc_escbyte,
-
- // file attributes and contents
- e_file_name,
- e_file_size_hi,
- e_file_size_lo,
- e_file_modtime,
- e_file_options,
- // e_file_bits, // handled specially as an appendix
- BAND_LIMIT
+ // e_archive_magic,
+ // e_archive_header,
+ // e_band_headers,
+
+ // constant pool contents
+ e_cp_Utf8_prefix,
+ e_cp_Utf8_suffix,
+ e_cp_Utf8_chars,
+ e_cp_Utf8_big_suffix,
+ e_cp_Utf8_big_chars,
+ e_cp_Int,
+ e_cp_Float,
+ e_cp_Long_hi,
+ e_cp_Long_lo,
+ e_cp_Double_hi,
+ e_cp_Double_lo,
+ e_cp_String,
+ e_cp_Class,
+ e_cp_Signature_form,
+ e_cp_Signature_classes,
+ e_cp_Descr_name,
+ e_cp_Descr_type,
+ e_cp_Field_class,
+ e_cp_Field_desc,
+ e_cp_Method_class,
+ e_cp_Method_desc,
+ e_cp_Imethod_class,
+ e_cp_Imethod_desc,
+
+ // bands which define transmission of attributes
+ e_attr_definition_headers,
+ e_attr_definition_name,
+ e_attr_definition_layout,
+
+ // band for hardwired InnerClasses attribute (shared across the package)
+ e_ic_this_class,
+ e_ic_flags,
+ // These bands contain data only where flags sets ACC_IC_LONG_FORM:
+ e_ic_outer_class,
+ e_ic_name,
+
+ // bands for carrying class schema information:
+ e_class_this,
+ e_class_super,
+ e_class_interface_count,
+ e_class_interface,
+
+ // bands for class members
+ e_class_field_count,
+ e_class_method_count,
+ e_field_descr,
+ e_field_flags_hi,
+ e_field_flags_lo,
+ e_field_attr_count,
+ e_field_attr_indexes,
+ e_field_attr_calls,
+ e_field_ConstantValue_KQ,
+ e_field_Signature_RS,
+ e_field_metadata_bands,
+ e_field_attr_bands,
+ e_method_descr,
+ e_method_flags_hi,
+ e_method_flags_lo,
+ e_method_attr_count,
+ e_method_attr_indexes,
+ e_method_attr_calls,
+ e_method_Exceptions_N,
+ e_method_Exceptions_RC,
+ e_method_Signature_RS,
+ e_method_metadata_bands,
+ e_method_attr_bands,
+ e_class_flags_hi,
+ e_class_flags_lo,
+ e_class_attr_count,
+ e_class_attr_indexes,
+ e_class_attr_calls,
+ e_class_SourceFile_RUN,
+ e_class_EnclosingMethod_RC,
+ e_class_EnclosingMethod_RDN,
+ e_class_Signature_RS,
+ e_class_metadata_bands,
+ e_class_InnerClasses_N,
+ e_class_InnerClasses_RC,
+ e_class_InnerClasses_F,
+ e_class_InnerClasses_outer_RCN,
+ e_class_InnerClasses_name_RUN,
+ e_class_ClassFile_version_minor_H,
+ e_class_ClassFile_version_major_H,
+ e_class_attr_bands,
+ e_code_headers,
+ e_code_max_stack,
+ e_code_max_na_locals,
+ e_code_handler_count,
+ e_code_handler_start_P,
+ e_code_handler_end_PO,
+ e_code_handler_catch_PO,
+ e_code_handler_class_RCN,
+
+ // code attributes
+ e_code_flags_hi,
+ e_code_flags_lo,
+ e_code_attr_count,
+ e_code_attr_indexes,
+ e_code_attr_calls,
+ e_code_StackMapTable_N,
+ e_code_StackMapTable_frame_T,
+ e_code_StackMapTable_local_N,
+ e_code_StackMapTable_stack_N,
+ e_code_StackMapTable_offset,
+ e_code_StackMapTable_T,
+ e_code_StackMapTable_RC,
+ e_code_StackMapTable_P,
+ e_code_LineNumberTable_N,
+ e_code_LineNumberTable_bci_P,
+ e_code_LineNumberTable_line,
+ e_code_LocalVariableTable_N,
+ e_code_LocalVariableTable_bci_P,
+ e_code_LocalVariableTable_span_O,
+ e_code_LocalVariableTable_name_RU,
+ e_code_LocalVariableTable_type_RS,
+ e_code_LocalVariableTable_slot,
+ e_code_LocalVariableTypeTable_N,
+ e_code_LocalVariableTypeTable_bci_P,
+ e_code_LocalVariableTypeTable_span_O,
+ e_code_LocalVariableTypeTable_name_RU,
+ e_code_LocalVariableTypeTable_type_RS,
+ e_code_LocalVariableTypeTable_slot,
+ e_code_attr_bands,
+
+ // bands for bytecodes
+ e_bc_codes,
+ // remaining bands provide typed opcode fields required by the bc_codes
+ e_bc_case_count,
+ e_bc_case_value,
+ e_bc_byte,
+ e_bc_short,
+ e_bc_local,
+ e_bc_label,
+
+ // ldc* operands:
+ e_bc_intref,
+ e_bc_floatref,
+ e_bc_longref,
+ e_bc_doubleref,
+ e_bc_stringref,
+ e_bc_classref,
+ e_bc_fieldref,
+ e_bc_methodref,
+ e_bc_imethodref,
+
+ // _self_linker_op family
+ e_bc_thisfield,
+ e_bc_superfield,
+ e_bc_thismethod,
+ e_bc_supermethod,
+
+ // bc_invokeinit family:
+ e_bc_initref,
+
+ // bytecode escape sequences
+ e_bc_escref,
+ e_bc_escrefsize,
+ e_bc_escsize,
+ e_bc_escbyte,
+
+ // file attributes and contents
+ e_file_name,
+ e_file_size_hi,
+ e_file_size_lo,
+ e_file_modtime,
+ e_file_options,
+ // e_file_bits, // handled specially as an appendix
+ BAND_LIMIT
};
// Symbolic names for bands, as if in a giant global struct:
diff --git a/libraries/pack200/src/bytes.cpp b/libraries/pack200/src/bytes.cpp
index d3808afa..767fe0a5 100644
--- a/libraries/pack200/src/bytes.cpp
+++ b/libraries/pack200/src/bytes.cpp
@@ -36,182 +36,182 @@ static byte dummy[1 << 10];
bool bytes::inBounds(const void *p)
{
- return p >= ptr && p < limit();
+ return p >= ptr && p < limit();
}
void bytes::malloc(size_t len_)
{
- len = len_;
- ptr = NEW(byte, add_size(len_, 1)); // add trailing zero byte always
- if (ptr == nullptr)
- {
- // set ptr to some victim memory, to ease escape
- set(dummy, sizeof(dummy) - 1);
- unpack_abort(ERROR_ENOMEM);
- }
+ len = len_;
+ ptr = NEW(byte, add_size(len_, 1)); // add trailing zero byte always
+ if (ptr == nullptr)
+ {
+ // set ptr to some victim memory, to ease escape
+ set(dummy, sizeof(dummy) - 1);
+ unpack_abort(ERROR_ENOMEM);
+ }
}
void bytes::realloc(size_t len_)
{
- if (len == len_)
- return; // nothing to do
- if (ptr == dummy)
- return; // escaping from an error
- if (ptr == nullptr)
- {
- malloc(len_);
- return;
- }
- byte *oldptr = ptr;
- ptr = (len_ >= PSIZE_MAX) ? nullptr : (byte *)::realloc(ptr, add_size(len_, 1));
- if (ptr != nullptr)
- {
- if (len < len_)
- memset(ptr + len, 0, len_ - len);
- ptr[len_] = 0;
- len = len_;
- }
- else
- {
- ptr = oldptr; // ease our escape
- unpack_abort(ERROR_ENOMEM);
- }
+ if (len == len_)
+ return; // nothing to do
+ if (ptr == dummy)
+ return; // escaping from an error
+ if (ptr == nullptr)
+ {
+ malloc(len_);
+ return;
+ }
+ byte *oldptr = ptr;
+ ptr = (len_ >= PSIZE_MAX) ? nullptr : (byte *)::realloc(ptr, add_size(len_, 1));
+ if (ptr != nullptr)
+ {
+ if (len < len_)
+ memset(ptr + len, 0, len_ - len);
+ ptr[len_] = 0;
+ len = len_;
+ }
+ else
+ {
+ ptr = oldptr; // ease our escape
+ unpack_abort(ERROR_ENOMEM);
+ }
}
void bytes::free()
{
- if (ptr == dummy)
- return; // escaping from an error
- if (ptr != nullptr)
- {
- ::free(ptr);
- }
- len = 0;
- ptr = 0;
+ if (ptr == dummy)
+ return; // escaping from an error
+ if (ptr != nullptr)
+ {
+ ::free(ptr);
+ }
+ len = 0;
+ ptr = 0;
}
int bytes::indexOf(byte c)
{
- byte *p = (byte *)memchr(ptr, c, len);
- return (p == 0) ? -1 : (int)(p - ptr);
+ byte *p = (byte *)memchr(ptr, c, len);
+ return (p == 0) ? -1 : (int)(p - ptr);
}
byte *bytes::writeTo(byte *bp)
{
- memcpy(bp, ptr, len);
- return bp + len;
+ memcpy(bp, ptr, len);
+ return bp + len;
}
int bytes::compareTo(bytes &other)
{
- size_t l1 = len;
- size_t l2 = other.len;
- int cmp = memcmp(ptr, other.ptr, (l1 < l2) ? l1 : l2);
- if (cmp != 0)
- return cmp;
- return (l1 < l2) ? -1 : (l1 > l2) ? 1 : 0;
+ size_t l1 = len;
+ size_t l2 = other.len;
+ int cmp = memcmp(ptr, other.ptr, (l1 < l2) ? l1 : l2);
+ if (cmp != 0)
+ return cmp;
+ return (l1 < l2) ? -1 : (l1 > l2) ? 1 : 0;
}
void bytes::saveFrom(const void *ptr_, size_t len_)
{
- malloc(len_);
- // Save as much as possible.
- if (len_ > len)
- {
- assert(ptr == dummy); // error recovery
- len_ = len;
- }
- copyFrom(ptr_, len_);
+ malloc(len_);
+ // Save as much as possible.
+ if (len_ > len)
+ {
+ assert(ptr == dummy); // error recovery
+ len_ = len;
+ }
+ copyFrom(ptr_, len_);
}
//#TODO: Need to fix for exception handling
void bytes::copyFrom(const void *ptr_, size_t len_, size_t offset)
{
- assert(len_ == 0 || inBounds(ptr + offset));
- assert(len_ == 0 || inBounds(ptr + offset + len_ - 1));
- memcpy(ptr + offset, ptr_, len_);
+ assert(len_ == 0 || inBounds(ptr + offset));
+ assert(len_ == 0 || inBounds(ptr + offset + len_ - 1));
+ memcpy(ptr + offset, ptr_, len_);
}
// Make sure there are 'o' bytes beyond the fill pointer,
// advance the fill pointer, and return the old fill pointer.
byte *fillbytes::grow(size_t s)
{
- size_t nlen = add_size(b.len, s);
- if (nlen <= allocated)
- {
- b.len = nlen;
- return limit() - s;
- }
- size_t maxlen = nlen;
- if (maxlen < 128)
- maxlen = 128;
- if (maxlen < allocated * 2)
- maxlen = allocated * 2;
- if (allocated == 0)
- {
- // Initial buffer was not malloced. Do not reallocate it.
- bytes old = b;
- b.malloc(maxlen);
- if (b.len == maxlen)
- old.writeTo(b.ptr);
- }
- else
- {
- b.realloc(maxlen);
- }
- allocated = b.len;
- if (allocated != maxlen)
- {
- b.len = nlen - s; // back up
- return dummy; // scribble during error recov.
- }
- // after realloc, recompute pointers
- b.len = nlen;
- assert(b.len <= allocated);
- return limit() - s;
+ size_t nlen = add_size(b.len, s);
+ if (nlen <= allocated)
+ {
+ b.len = nlen;
+ return limit() - s;
+ }
+ size_t maxlen = nlen;
+ if (maxlen < 128)
+ maxlen = 128;
+ if (maxlen < allocated * 2)
+ maxlen = allocated * 2;
+ if (allocated == 0)
+ {
+ // Initial buffer was not malloced. Do not reallocate it.
+ bytes old = b;
+ b.malloc(maxlen);
+ if (b.len == maxlen)
+ old.writeTo(b.ptr);
+ }
+ else
+ {
+ b.realloc(maxlen);
+ }
+ allocated = b.len;
+ if (allocated != maxlen)
+ {
+ b.len = nlen - s; // back up
+ return dummy; // scribble during error recov.
+ }
+ // after realloc, recompute pointers
+ b.len = nlen;
+ assert(b.len <= allocated);
+ return limit() - s;
}
void fillbytes::ensureSize(size_t s)
{
- if (allocated >= s)
- return;
- size_t len0 = b.len;
- grow(s - size());
- b.len = len0; // put it back
+ if (allocated >= s)
+ return;
+ size_t len0 = b.len;
+ grow(s - size());
+ b.len = len0; // put it back
}
int ptrlist::indexOf(const void *x)
{
- int len = length();
- for (int i = 0; i < len; i++)
- {
- if (get(i) == x)
- return i;
- }
- return -1;
+ int len = length();
+ for (int i = 0; i < len; i++)
+ {
+ if (get(i) == x)
+ return i;
+ }
+ return -1;
}
void ptrlist::freeAll()
{
- int len = length();
- for (int i = 0; i < len; i++)
- {
- void *p = (void *)get(i);
- if (p != nullptr)
- {
- ::free(p);
- }
- }
- free();
+ int len = length();
+ for (int i = 0; i < len; i++)
+ {
+ void *p = (void *)get(i);
+ if (p != nullptr)
+ {
+ ::free(p);
+ }
+ }
+ free();
}
int intlist::indexOf(int x)
{
- int len = length();
- for (int i = 0; i < len; i++)
- {
- if (get(i) == x)
- return i;
- }
- return -1;
+ int len = length();
+ for (int i = 0; i < len; i++)
+ {
+ if (get(i) == x)
+ return i;
+ }
+ return -1;
}
diff --git a/libraries/pack200/src/bytes.h b/libraries/pack200/src/bytes.h
index b116efda..2ce1f7f4 100644
--- a/libraries/pack200/src/bytes.h
+++ b/libraries/pack200/src/bytes.h
@@ -27,225 +27,225 @@
struct bytes
{
- int8_t *ptr;
- size_t len;
- int8_t *limit()
- {
- return ptr + len;
- }
+ int8_t *ptr;
+ size_t len;
+ int8_t *limit()
+ {
+ return ptr + len;
+ }
- void set(int8_t *ptr_, size_t len_)
- {
- ptr = ptr_;
- len = len_;
- }
- void set(const char *str)
- {
- ptr = (int8_t *)str;
- len = strlen(str);
- }
- bool inBounds(const void *p); // p in [ptr, limit)
- void malloc(size_t len_);
- void realloc(size_t len_);
- void free();
- void copyFrom(const void *ptr_, size_t len_, size_t offset = 0);
- void saveFrom(const void *ptr_, size_t len_);
- void saveFrom(const char *str)
- {
- saveFrom(str, strlen(str));
- }
- void copyFrom(bytes &other, size_t offset = 0)
- {
- copyFrom(other.ptr, other.len, offset);
- }
- void saveFrom(bytes &other)
- {
- saveFrom(other.ptr, other.len);
- }
- void clear(int fill_byte = 0)
- {
- memset(ptr, fill_byte, len);
- }
- int8_t *writeTo(int8_t *bp);
- bool equals(bytes &other)
- {
- return 0 == compareTo(other);
- }
- int compareTo(bytes &other);
- bool contains(int8_t c)
- {
- return indexOf(c) >= 0;
- }
- int indexOf(int8_t c);
- // substrings:
- static bytes of(int8_t *ptr, size_t len)
- {
- bytes res;
- res.set(ptr, len);
- return res;
- }
- bytes slice(size_t beg, size_t end)
- {
- bytes res;
- res.ptr = ptr + beg;
- res.len = end - beg;
- assert(res.len == 0 ||(inBounds(res.ptr) && inBounds(res.limit() - 1)));
- return res;
- }
- // building C strings inside byte buffers:
- bytes &strcat(const char *str)
- {
- ::strcat((char *)ptr, str);
- return *this;
- }
- bytes &strcat(bytes &other)
- {
- ::strncat((char *)ptr, (char *)other.ptr, other.len);
- return *this;
- }
- char *strval()
- {
- assert(strlen((char *)ptr) == len);
- return (char *)ptr;
- }
+ void set(int8_t *ptr_, size_t len_)
+ {
+ ptr = ptr_;
+ len = len_;
+ }
+ void set(const char *str)
+ {
+ ptr = (int8_t *)str;
+ len = strlen(str);
+ }
+ bool inBounds(const void *p); // p in [ptr, limit)
+ void malloc(size_t len_);
+ void realloc(size_t len_);
+ void free();
+ void copyFrom(const void *ptr_, size_t len_, size_t offset = 0);
+ void saveFrom(const void *ptr_, size_t len_);
+ void saveFrom(const char *str)
+ {
+ saveFrom(str, strlen(str));
+ }
+ void copyFrom(bytes &other, size_t offset = 0)
+ {
+ copyFrom(other.ptr, other.len, offset);
+ }
+ void saveFrom(bytes &other)
+ {
+ saveFrom(other.ptr, other.len);
+ }
+ void clear(int fill_byte = 0)
+ {
+ memset(ptr, fill_byte, len);
+ }
+ int8_t *writeTo(int8_t *bp);
+ bool equals(bytes &other)
+ {
+ return 0 == compareTo(other);
+ }
+ int compareTo(bytes &other);
+ bool contains(int8_t c)
+ {
+ return indexOf(c) >= 0;
+ }
+ int indexOf(int8_t c);
+ // substrings:
+ static bytes of(int8_t *ptr, size_t len)
+ {
+ bytes res;
+ res.set(ptr, len);
+ return res;
+ }
+ bytes slice(size_t beg, size_t end)
+ {
+ bytes res;
+ res.ptr = ptr + beg;
+ res.len = end - beg;
+ assert(res.len == 0 ||(inBounds(res.ptr) && inBounds(res.limit() - 1)));
+ return res;
+ }
+ // building C strings inside byte buffers:
+ bytes &strcat(const char *str)
+ {
+ ::strcat((char *)ptr, str);
+ return *this;
+ }
+ bytes &strcat(bytes &other)
+ {
+ ::strncat((char *)ptr, (char *)other.ptr, other.len);
+ return *this;
+ }
+ char *strval()
+ {
+ assert(strlen((char *)ptr) == len);
+ return (char *)ptr;
+ }
};
#define BYTES_OF(var) (bytes::of((int8_t *)&(var), sizeof(var)))
struct fillbytes
{
- bytes b;
- size_t allocated;
+ bytes b;
+ size_t allocated;
- int8_t *base()
- {
- return b.ptr;
- }
- size_t size()
- {
- return b.len;
- }
- int8_t *limit()
- {
- return b.limit();
- } // logical limit
- void setLimit(int8_t *lp)
- {
- assert(isAllocated(lp));
- b.len = lp - b.ptr;
- }
- int8_t *end()
- {
- return b.ptr + allocated;
- } // physical limit
- int8_t *loc(size_t o)
- {
- assert(o < b.len);
- return b.ptr + o;
- }
- void init()
- {
- allocated = 0;
- b.set(nullptr, 0);
- }
- void init(size_t s)
- {
- init();
- ensureSize(s);
- }
- void free()
- {
- if (allocated != 0)
- b.free();
- allocated = 0;
- }
- void empty()
- {
- b.len = 0;
- }
- int8_t *grow(size_t s); // grow so that limit() += s
- int getByte(uint32_t i)
- {
- return *loc(i) & 0xFF;
- }
- void addByte(int8_t x)
- {
- *grow(1) = x;
- }
- void ensureSize(size_t s); // make sure allocated >= s
- void trimToSize()
- {
- if (allocated > size())
- b.realloc(allocated = size());
- }
- bool canAppend(size_t s)
- {
- return allocated > b.len + s;
- }
- bool isAllocated(int8_t *p)
- {
- return p >= base() && p <= end();
- } // asserts
- void set(bytes &src)
- {
- set(src.ptr, src.len);
- }
+ int8_t *base()
+ {
+ return b.ptr;
+ }
+ size_t size()
+ {
+ return b.len;
+ }
+ int8_t *limit()
+ {
+ return b.limit();
+ } // logical limit
+ void setLimit(int8_t *lp)
+ {
+ assert(isAllocated(lp));
+ b.len = lp - b.ptr;
+ }
+ int8_t *end()
+ {
+ return b.ptr + allocated;
+ } // physical limit
+ int8_t *loc(size_t o)
+ {
+ assert(o < b.len);
+ return b.ptr + o;
+ }
+ void init()
+ {
+ allocated = 0;
+ b.set(nullptr, 0);
+ }
+ void init(size_t s)
+ {
+ init();
+ ensureSize(s);
+ }
+ void free()
+ {
+ if (allocated != 0)
+ b.free();
+ allocated = 0;
+ }
+ void empty()
+ {
+ b.len = 0;
+ }
+ int8_t *grow(size_t s); // grow so that limit() += s
+ int getByte(uint32_t i)
+ {
+ return *loc(i) & 0xFF;
+ }
+ void addByte(int8_t x)
+ {
+ *grow(1) = x;
+ }
+ void ensureSize(size_t s); // make sure allocated >= s
+ void trimToSize()
+ {
+ if (allocated > size())
+ b.realloc(allocated = size());
+ }
+ bool canAppend(size_t s)
+ {
+ return allocated > b.len + s;
+ }
+ bool isAllocated(int8_t *p)
+ {
+ return p >= base() && p <= end();
+ } // asserts
+ void set(bytes &src)
+ {
+ set(src.ptr, src.len);
+ }
- void set(int8_t *ptr, size_t len)
- {
- b.set(ptr, len);
- allocated = 0; // mark as not reallocatable
- }
+ void set(int8_t *ptr, size_t len)
+ {
+ b.set(ptr, len);
+ allocated = 0; // mark as not reallocatable
+ }
- // block operations on resizing byte buffer:
- fillbytes &append(const void *ptr_, size_t len_)
- {
- memcpy(grow(len_), ptr_, len_);
- return (*this);
- }
- fillbytes &append(bytes &other)
- {
- return append(other.ptr, other.len);
- }
- fillbytes &append(const char *str)
- {
- return append(str, strlen(str));
- }
+ // block operations on resizing byte buffer:
+ fillbytes &append(const void *ptr_, size_t len_)
+ {
+ memcpy(grow(len_), ptr_, len_);
+ return (*this);
+ }
+ fillbytes &append(bytes &other)
+ {
+ return append(other.ptr, other.len);
+ }
+ fillbytes &append(const char *str)
+ {
+ return append(str, strlen(str));
+ }
};
struct ptrlist : fillbytes
{
- typedef const void *cvptr;
- int length()
- {
- return (int)(size() / sizeof(cvptr));
- }
- cvptr *base()
- {
- return (cvptr *)fillbytes::base();
- }
- cvptr &get(int i)
- {
- return *(cvptr *)loc(i * sizeof(cvptr));
- }
- cvptr *limit()
- {
- return (cvptr *)fillbytes::limit();
- }
- void add(cvptr x)
- {
- *(cvptr *)grow(sizeof(x)) = x;
- }
- void popTo(int l)
- {
- assert(l <= length());
- b.len = l * sizeof(cvptr);
- }
- int indexOf(cvptr x);
- bool contains(cvptr x)
- {
- return indexOf(x) >= 0;
- }
- void freeAll(); // frees every ptr on the list, plus the list itself
+ typedef const void *cvptr;
+ int length()
+ {
+ return (int)(size() / sizeof(cvptr));
+ }
+ cvptr *base()
+ {
+ return (cvptr *)fillbytes::base();
+ }
+ cvptr &get(int i)
+ {
+ return *(cvptr *)loc(i * sizeof(cvptr));
+ }
+ cvptr *limit()
+ {
+ return (cvptr *)fillbytes::limit();
+ }
+ void add(cvptr x)
+ {
+ *(cvptr *)grow(sizeof(x)) = x;
+ }
+ void popTo(int l)
+ {
+ assert(l <= length());
+ b.len = l * sizeof(cvptr);
+ }
+ int indexOf(cvptr x);
+ bool contains(cvptr x)
+ {
+ return indexOf(x) >= 0;
+ }
+ void freeAll(); // frees every ptr on the list, plus the list itself
};
// Use a macro rather than mess with subtle mismatches
// between member and non-member function pointers.
@@ -253,34 +253,34 @@ struct ptrlist : fillbytes
struct intlist : fillbytes
{
- int length()
- {
- return (int)(size() / sizeof(int));
- }
- int *base()
- {
- return (int *)fillbytes::base();
- }
- int &get(int i)
- {
- return *(int *)loc(i * sizeof(int));
- }
- int *limit()
- {
- return (int *)fillbytes::limit();
- }
- void add(int x)
- {
- *(int *)grow(sizeof(x)) = x;
- }
- void popTo(int l)
- {
- assert(l <= length());
- b.len = l * sizeof(int);
- }
- int indexOf(int x);
- bool contains(int x)
- {
- return indexOf(x) >= 0;
- }
+ int length()
+ {
+ return (int)(size() / sizeof(int));
+ }
+ int *base()
+ {
+ return (int *)fillbytes::base();
+ }
+ int &get(int i)
+ {
+ return *(int *)loc(i * sizeof(int));
+ }
+ int *limit()
+ {
+ return (int *)fillbytes::limit();
+ }
+ void add(int x)
+ {
+ *(int *)grow(sizeof(x)) = x;
+ }
+ void popTo(int l)
+ {
+ assert(l <= length());
+ b.len = l * sizeof(int);
+ }
+ int indexOf(int x);
+ bool contains(int x)
+ {
+ return indexOf(x) >= 0;
+ }
};
diff --git a/libraries/pack200/src/coding.cpp b/libraries/pack200/src/coding.cpp
index 6bd17a3c..8e872013 100644
--- a/libraries/pack200/src/coding.cpp
+++ b/libraries/pack200/src/coding.cpp
@@ -48,12 +48,12 @@ extern coding basic_codings[];
#pragma GCC diagnostic ignored "-Wunused-variable"
#define CODING_PRIVATE(spec) \
- int spec_ = spec; \
- int B = CODING_B(spec_); \
- int H = CODING_H(spec_); \
- int L = 256 - H; \
- int S = CODING_S(spec_); \
- int D = CODING_D(spec_)
+ int spec_ = spec; \
+ int B = CODING_B(spec_); \
+ int H = CODING_H(spec_); \
+ int L = 256 - H; \
+ int S = CODING_S(spec_); \
+ int D = CODING_D(spec_)
#define IS_NEG_CODE(S, codeVal) ((((int)(codeVal) + 1) & ((1 << S) - 1)) == 0)
@@ -61,568 +61,568 @@ extern coding basic_codings[];
static int decode_sign(int S, uint32_t ux)
{ // == Coding.decodeSign32
- assert(S > 0);
- uint32_t sigbits = (ux >> S);
- if (IS_NEG_CODE(S, ux))
- return (int)(~sigbits);
- else
- return (int)(ux - sigbits);
- // Note that (int)(ux-sigbits) can be negative, if ux is large enough.
+ assert(S > 0);
+ uint32_t sigbits = (ux >> S);
+ if (IS_NEG_CODE(S, ux))
+ return (int)(~sigbits);
+ else
+ return (int)(ux - sigbits);
+ // Note that (int)(ux-sigbits) can be negative, if ux is large enough.
}
coding *coding::init()
{
- if (umax > 0)
- return this; // already done
- assert(spec != 0); // sanity
-
- // fill in derived fields
- CODING_PRIVATE(spec);
-
- // Return nullptr if 'arb(BHSD)' parameter constraints are not met:
- if (B < 1 || B > B_MAX)
- return nullptr;
- if (H < 1 || H > 256)
- return nullptr;
- if (S < 0 || S > 2)
- return nullptr;
- if (D < 0 || D > 1)
- return nullptr;
- if (B == 1 && H != 256)
- return nullptr; // 1-byte coding must be fixed-size
- if (B >= 5 && H == 256)
- return nullptr; // no 5-byte fixed-size coding
-
- // first compute the range of the coding, in 64 bits
- int64_t range = 0;
- {
- int64_t H_i = 1;
- for (int i = 0; i < B; i++)
- {
- range += H_i;
- H_i *= H;
- }
- range *= L;
- range += H_i;
- }
- assert(range > 0); // no useless codings, please
-
- int this_umax;
-
- // now, compute min and max
- if (range >= ((int64_t)1 << 32))
- {
- this_umax = INT_MAX_VALUE;
- this->umin = INT_MIN_VALUE;
- this->max = INT_MAX_VALUE;
- this->min = INT_MIN_VALUE;
- }
- else
- {
- this_umax = (range > INT_MAX_VALUE) ? INT_MAX_VALUE : (int)range - 1;
- this->max = this_umax;
- this->min = this->umin = 0;
- if (S != 0 && range != 0)
- {
- int64_t maxPosCode = range - 1;
- int64_t maxNegCode = range - 1;
- while (IS_NEG_CODE(S, maxPosCode))
- --maxPosCode;
- while (!IS_NEG_CODE(S, maxNegCode))
- --maxNegCode;
- int maxPos = decode_sign(S, (uint32_t)maxPosCode);
- if (maxPos < 0)
- this->max = INT_MAX_VALUE; // 32-bit wraparound
- else
- this->max = maxPos;
- if (maxNegCode < 0)
- this->min = 0; // No negative codings at all.
- else
- this->min = decode_sign(S, (uint32_t)maxNegCode);
- }
- }
-
- assert(!(isFullRange | isSigned | isSubrange)); // init
- if (min < 0)
- this->isSigned = true;
- if (max < INT_MAX_VALUE && range <= INT_MAX_VALUE)
- this->isSubrange = true;
- if (max == INT_MAX_VALUE && min == INT_MIN_VALUE)
- this->isFullRange = true;
-
- // do this last, to reduce MT exposure (should have a membar too)
- this->umax = this_umax;
-
- return this;
+ if (umax > 0)
+ return this; // already done
+ assert(spec != 0); // sanity
+
+ // fill in derived fields
+ CODING_PRIVATE(spec);
+
+ // Return nullptr if 'arb(BHSD)' parameter constraints are not met:
+ if (B < 1 || B > B_MAX)
+ return nullptr;
+ if (H < 1 || H > 256)
+ return nullptr;
+ if (S < 0 || S > 2)
+ return nullptr;
+ if (D < 0 || D > 1)
+ return nullptr;
+ if (B == 1 && H != 256)
+ return nullptr; // 1-byte coding must be fixed-size
+ if (B >= 5 && H == 256)
+ return nullptr; // no 5-byte fixed-size coding
+
+ // first compute the range of the coding, in 64 bits
+ int64_t range = 0;
+ {
+ int64_t H_i = 1;
+ for (int i = 0; i < B; i++)
+ {
+ range += H_i;
+ H_i *= H;
+ }
+ range *= L;
+ range += H_i;
+ }
+ assert(range > 0); // no useless codings, please
+
+ int this_umax;
+
+ // now, compute min and max
+ if (range >= ((int64_t)1 << 32))
+ {
+ this_umax = INT_MAX_VALUE;
+ this->umin = INT_MIN_VALUE;
+ this->max = INT_MAX_VALUE;
+ this->min = INT_MIN_VALUE;
+ }
+ else
+ {
+ this_umax = (range > INT_MAX_VALUE) ? INT_MAX_VALUE : (int)range - 1;
+ this->max = this_umax;
+ this->min = this->umin = 0;
+ if (S != 0 && range != 0)
+ {
+ int64_t maxPosCode = range - 1;
+ int64_t maxNegCode = range - 1;
+ while (IS_NEG_CODE(S, maxPosCode))
+ --maxPosCode;
+ while (!IS_NEG_CODE(S, maxNegCode))
+ --maxNegCode;
+ int maxPos = decode_sign(S, (uint32_t)maxPosCode);
+ if (maxPos < 0)
+ this->max = INT_MAX_VALUE; // 32-bit wraparound
+ else
+ this->max = maxPos;
+ if (maxNegCode < 0)
+ this->min = 0; // No negative codings at all.
+ else
+ this->min = decode_sign(S, (uint32_t)maxNegCode);
+ }
+ }
+
+ assert(!(isFullRange | isSigned | isSubrange)); // init
+ if (min < 0)
+ this->isSigned = true;
+ if (max < INT_MAX_VALUE && range <= INT_MAX_VALUE)
+ this->isSubrange = true;
+ if (max == INT_MAX_VALUE && min == INT_MIN_VALUE)
+ this->isFullRange = true;
+
+ // do this last, to reduce MT exposure (should have a membar too)
+ this->umax = this_umax;
+
+ return this;
}
coding *coding::findBySpec(int spec)
{
- for (coding *scan = &basic_codings[0];; scan++)
- {
- if (scan->spec == spec)
- return scan->init();
- if (scan->spec == 0)
- break;
- }
- coding *ptr = NEW(coding, 1);
- if (!ptr)
- return nullptr;
- coding *c = ptr->initFrom(spec);
- if (c == nullptr)
- {
- ::free(ptr);
- }
- else
- // else caller should free it...
- c->isMalloc = true;
- return c;
+ for (coding *scan = &basic_codings[0];; scan++)
+ {
+ if (scan->spec == spec)
+ return scan->init();
+ if (scan->spec == 0)
+ break;
+ }
+ coding *ptr = NEW(coding, 1);
+ if (!ptr)
+ return nullptr;
+ coding *c = ptr->initFrom(spec);
+ if (c == nullptr)
+ {
+ ::free(ptr);
+ }
+ else
+ // else caller should free it...
+ c->isMalloc = true;
+ return c;
}
coding *coding::findBySpec(int B, int H, int S, int D)
{
- if (B < 1 || B > B_MAX)
- return nullptr;
- if (H < 1 || H > 256)
- return nullptr;
- if (S < 0 || S > 2)
- return nullptr;
- if (D < 0 || D > 1)
- return nullptr;
- return findBySpec(CODING_SPEC(B, H, S, D));
+ if (B < 1 || B > B_MAX)
+ return nullptr;
+ if (H < 1 || H > 256)
+ return nullptr;
+ if (S < 0 || S > 2)
+ return nullptr;
+ if (D < 0 || D > 1)
+ return nullptr;
+ return findBySpec(CODING_SPEC(B, H, S, D));
}
void coding::free()
{
- if (isMalloc)
- {
- ::free(this);
- }
+ if (isMalloc)
+ {
+ ::free(this);
+ }
}
void coding_method::reset(value_stream *state)
{
- assert(state->rp == state->rplimit); // not in mid-stream, please
- // assert(this == vs0.cm);
- state[0] = vs0;
- if (uValues != nullptr)
- {
- uValues->reset(state->helper());
- }
+ assert(state->rp == state->rplimit); // not in mid-stream, please
+ // assert(this == vs0.cm);
+ state[0] = vs0;
+ if (uValues != nullptr)
+ {
+ uValues->reset(state->helper());
+ }
}
uint32_t coding::parse(byte *&rp, int B, int H)
{
- int L = 256 - H;
- byte *ptr = rp;
- // hand peel the i==0 part of the loop:
- uint32_t b_i = *ptr++ & 0xFF;
- if (B == 1 || b_i < (uint32_t)L)
- {
- rp = ptr;
- return b_i;
- }
- uint32_t sum = b_i;
- uint32_t H_i = H;
- assert(B <= B_MAX);
- for (int i = 2; i <= B_MAX; i++)
- { // easy for compilers to unroll if desired
- b_i = *ptr++ & 0xFF;
- sum += b_i * H_i;
- if (i == B || b_i < (uint32_t)L)
- {
- rp = ptr;
- return sum;
- }
- H_i *= H;
- }
- assert(false);
- return 0;
+ int L = 256 - H;
+ byte *ptr = rp;
+ // hand peel the i==0 part of the loop:
+ uint32_t b_i = *ptr++ & 0xFF;
+ if (B == 1 || b_i < (uint32_t)L)
+ {
+ rp = ptr;
+ return b_i;
+ }
+ uint32_t sum = b_i;
+ uint32_t H_i = H;
+ assert(B <= B_MAX);
+ for (int i = 2; i <= B_MAX; i++)
+ { // easy for compilers to unroll if desired
+ b_i = *ptr++ & 0xFF;
+ sum += b_i * H_i;
+ if (i == B || b_i < (uint32_t)L)
+ {
+ rp = ptr;
+ return sum;
+ }
+ H_i *= H;
+ }
+ assert(false);
+ return 0;
}
uint32_t coding::parse_lgH(byte *&rp, int B, int H, int lgH)
{
- assert(H == (1 << lgH));
- int L = 256 - (1 << lgH);
- byte *ptr = rp;
- // hand peel the i==0 part of the loop:
- uint32_t b_i = *ptr++ & 0xFF;
- if (B == 1 || b_i < (uint32_t)L)
- {
- rp = ptr;
- return b_i;
- }
- uint32_t sum = b_i;
- uint32_t lg_H_i = lgH;
- assert(B <= B_MAX);
- for (int i = 2; i <= B_MAX; i++)
- { // easy for compilers to unroll if desired
- b_i = *ptr++ & 0xFF;
- sum += b_i << lg_H_i;
- if (i == B || b_i < (uint32_t)L)
- {
- rp = ptr;
- return sum;
- }
- lg_H_i += lgH;
- }
- assert(false);
- return 0;
+ assert(H == (1 << lgH));
+ int L = 256 - (1 << lgH);
+ byte *ptr = rp;
+ // hand peel the i==0 part of the loop:
+ uint32_t b_i = *ptr++ & 0xFF;
+ if (B == 1 || b_i < (uint32_t)L)
+ {
+ rp = ptr;
+ return b_i;
+ }
+ uint32_t sum = b_i;
+ uint32_t lg_H_i = lgH;
+ assert(B <= B_MAX);
+ for (int i = 2; i <= B_MAX; i++)
+ { // easy for compilers to unroll if desired
+ b_i = *ptr++ & 0xFF;
+ sum += b_i << lg_H_i;
+ if (i == B || b_i < (uint32_t)L)
+ {
+ rp = ptr;
+ return sum;
+ }
+ lg_H_i += lgH;
+ }
+ assert(false);
+ return 0;
}
static const char ERB[] = "EOF reading band";
void coding::parseMultiple(byte *&rp, int N, byte *limit, int B, int H)
{
- if (N < 0)
- {
- unpack_abort("bad value count");
- return;
- }
- byte *ptr = rp;
- if (B == 1 || H == 256)
- {
- size_t len = (size_t)N * B;
- if (len / B != (size_t)N || ptr + len > limit)
- {
- unpack_abort(ERB);
- return;
- }
- rp = ptr + len;
- return;
- }
- // Note: We assume rp has enough zero-padding.
- int L = 256 - H;
- int n = B;
- while (N > 0)
- {
- ptr += 1;
- if (--n == 0)
- {
- // end of encoding at B bytes, regardless of byte value
- }
- else
- {
- int b = (ptr[-1] & 0xFF);
- if (b >= L)
- {
- // keep going, unless we find a byte < L
- continue;
- }
- }
- // found the last byte
- N -= 1;
- n = B; // reset length counter
- // do an error check here
- if (ptr > limit)
- {
- unpack_abort(ERB);
- return;
- }
- }
- rp = ptr;
- return;
+ if (N < 0)
+ {
+ unpack_abort("bad value count");
+ return;
+ }
+ byte *ptr = rp;
+ if (B == 1 || H == 256)
+ {
+ size_t len = (size_t)N * B;
+ if (len / B != (size_t)N || ptr + len > limit)
+ {
+ unpack_abort(ERB);
+ return;
+ }
+ rp = ptr + len;
+ return;
+ }
+ // Note: We assume rp has enough zero-padding.
+ int L = 256 - H;
+ int n = B;
+ while (N > 0)
+ {
+ ptr += 1;
+ if (--n == 0)
+ {
+ // end of encoding at B bytes, regardless of byte value
+ }
+ else
+ {
+ int b = (ptr[-1] & 0xFF);
+ if (b >= L)
+ {
+ // keep going, unless we find a byte < L
+ continue;
+ }
+ }
+ // found the last byte
+ N -= 1;
+ n = B; // reset length counter
+ // do an error check here
+ if (ptr > limit)
+ {
+ unpack_abort(ERB);
+ return;
+ }
+ }
+ rp = ptr;
+ return;
}
bool value_stream::hasHelper()
{
- // If my coding method is a pop-style method,
- // then I need a second value stream to transmit
- // unfavored values.
- // This can be determined by examining fValues.
- return cm->fValues != nullptr;
+ // If my coding method is a pop-style method,
+ // then I need a second value stream to transmit
+ // unfavored values.
+ // This can be determined by examining fValues.
+ return cm->fValues != nullptr;
}
void value_stream::init(byte *rp_, byte *rplimit_, coding *defc)
{
- rp = rp_;
- rplimit = rplimit_;
- sum = 0;
- cm = nullptr; // no need in the simple case
- setCoding(defc);
+ rp = rp_;
+ rplimit = rplimit_;
+ sum = 0;
+ cm = nullptr; // no need in the simple case
+ setCoding(defc);
}
void value_stream::setCoding(coding *defc)
{
- if (defc == nullptr)
- {
- unpack_abort("bad coding");
- defc = coding::findByIndex(_meta_canon_min); // random pick for recovery
- }
-
- c = (*defc);
-
- // choose cmk
- cmk = cmk_ERROR;
- switch (c.spec)
- {
- case BYTE1_spec:
- cmk = cmk_BYTE1;
- break;
- case CHAR3_spec:
- cmk = cmk_CHAR3;
- break;
- case UNSIGNED5_spec:
- cmk = cmk_UNSIGNED5;
- break;
- case DELTA5_spec:
- cmk = cmk_DELTA5;
- break;
- case BCI5_spec:
- cmk = cmk_BCI5;
- break;
- case BRANCH5_spec:
- cmk = cmk_BRANCH5;
- break;
- default:
- if (c.D() == 0)
- {
- switch (c.S())
- {
- case 0:
- cmk = cmk_BHS0;
- break;
- case 1:
- cmk = cmk_BHS1;
- break;
- default:
- cmk = cmk_BHS;
- break;
- }
- }
- else
- {
- if (c.S() == 1)
- {
- if (c.isFullRange)
- cmk = cmk_BHS1D1full;
- if (c.isSubrange)
- cmk = cmk_BHS1D1sub;
- }
- if (cmk == cmk_ERROR)
- cmk = cmk_BHSD1;
- }
- }
+ if (defc == nullptr)
+ {
+ unpack_abort("bad coding");
+ defc = coding::findByIndex(_meta_canon_min); // random pick for recovery
+ }
+
+ c = (*defc);
+
+ // choose cmk
+ cmk = cmk_ERROR;
+ switch (c.spec)
+ {
+ case BYTE1_spec:
+ cmk = cmk_BYTE1;
+ break;
+ case CHAR3_spec:
+ cmk = cmk_CHAR3;
+ break;
+ case UNSIGNED5_spec:
+ cmk = cmk_UNSIGNED5;
+ break;
+ case DELTA5_spec:
+ cmk = cmk_DELTA5;
+ break;
+ case BCI5_spec:
+ cmk = cmk_BCI5;
+ break;
+ case BRANCH5_spec:
+ cmk = cmk_BRANCH5;
+ break;
+ default:
+ if (c.D() == 0)
+ {
+ switch (c.S())
+ {
+ case 0:
+ cmk = cmk_BHS0;
+ break;
+ case 1:
+ cmk = cmk_BHS1;
+ break;
+ default:
+ cmk = cmk_BHS;
+ break;
+ }
+ }
+ else
+ {
+ if (c.S() == 1)
+ {
+ if (c.isFullRange)
+ cmk = cmk_BHS1D1full;
+ if (c.isSubrange)
+ cmk = cmk_BHS1D1sub;
+ }
+ if (cmk == cmk_ERROR)
+ cmk = cmk_BHSD1;
+ }
+ }
}
static int getPopValue(value_stream *self, uint32_t uval)
{
- if (uval > 0)
- {
- // note that the initial parse performed a range check
- assert(uval <= (uint32_t)self->cm->fVlength);
- return self->cm->fValues[uval - 1];
- }
- else
- {
- // take an unfavored value
- return self->helper()->getInt();
- }
+ if (uval > 0)
+ {
+ // note that the initial parse performed a range check
+ assert(uval <= (uint32_t)self->cm->fVlength);
+ return self->cm->fValues[uval - 1];
+ }
+ else
+ {
+ // take an unfavored value
+ return self->helper()->getInt();
+ }
}
int coding::sumInUnsignedRange(int x, int y)
{
- assert(isSubrange);
- int range = (int)(umax + 1);
- assert(range > 0);
- x += y;
- if (x != (int)((int64_t)(x - y) + (int64_t)y))
- {
- // 32-bit overflow interferes with range reduction.
- // Back off from the overflow by adding a multiple of range:
- if (x < 0)
- {
- x -= range;
- assert(x >= 0);
- }
- else
- {
- x += range;
- assert(x < 0);
- }
- }
- if (x < 0)
- {
- x += range;
- if (x >= 0)
- return x;
- }
- else if (x >= range)
- {
- x -= range;
- if (x < range)
- return x;
- }
- else
- {
- // in range
- return x;
- }
- // do it the hard way
- x %= range;
- if (x < 0)
- x += range;
- return x;
+ assert(isSubrange);
+ int range = (int)(umax + 1);
+ assert(range > 0);
+ x += y;
+ if (x != (int)((int64_t)(x - y) + (int64_t)y))
+ {
+ // 32-bit overflow interferes with range reduction.
+ // Back off from the overflow by adding a multiple of range:
+ if (x < 0)
+ {
+ x -= range;
+ assert(x >= 0);
+ }
+ else
+ {
+ x += range;
+ assert(x < 0);
+ }
+ }
+ if (x < 0)
+ {
+ x += range;
+ if (x >= 0)
+ return x;
+ }
+ else if (x >= range)
+ {
+ x -= range;
+ if (x < range)
+ return x;
+ }
+ else
+ {
+ // in range
+ return x;
+ }
+ // do it the hard way
+ x %= range;
+ if (x < 0)
+ x += range;
+ return x;
}
static int getDeltaValue(value_stream *self, uint32_t uval, bool isSubrange)
{
- assert((uint32_t)(self->c.isSubrange) == (uint32_t)isSubrange);
- assert(self->c.isSubrange | self->c.isFullRange);
- if (isSubrange)
- return self->sum = self->c.sumInUnsignedRange(self->sum, (int)uval);
- else
- return self->sum += (int)uval;
+ assert((uint32_t)(self->c.isSubrange) == (uint32_t)isSubrange);
+ assert(self->c.isSubrange | self->c.isFullRange);
+ if (isSubrange)
+ return self->sum = self->c.sumInUnsignedRange(self->sum, (int)uval);
+ else
+ return self->sum += (int)uval;
}
bool value_stream::hasValue()
{
- if (rp < rplimit)
- return true;
- if (cm == nullptr)
- return false;
- if (cm->next == nullptr)
- return false;
- cm->next->reset(this);
- return hasValue();
+ if (rp < rplimit)
+ return true;
+ if (cm == nullptr)
+ return false;
+ if (cm->next == nullptr)
+ return false;
+ cm->next->reset(this);
+ return hasValue();
}
int value_stream::getInt()
{
- if (rp >= rplimit)
- {
- // Advance to next coding segment.
- if (rp > rplimit || cm == nullptr || cm->next == nullptr)
- {
- // Must perform this check and throw an exception on bad input.
- unpack_abort(ERB);
- return 0;
- }
- cm->next->reset(this);
- return getInt();
- }
-
- CODING_PRIVATE(c.spec);
- uint32_t uval;
- enum
- {
- B5 = 5,
- B3 = 3,
- H128 = 128,
- H64 = 64,
- H4 = 4
- };
- switch (cmk)
- {
- case cmk_BHS:
- assert(D == 0);
- uval = coding::parse(rp, B, H);
- if (S == 0)
- return (int)uval;
- return decode_sign(S, uval);
-
- case cmk_BHS0:
- assert(S == 0 && D == 0);
- uval = coding::parse(rp, B, H);
- return (int)uval;
-
- case cmk_BHS1:
- assert(S == 1 && D == 0);
- uval = coding::parse(rp, B, H);
- return DECODE_SIGN_S1(uval);
-
- case cmk_BYTE1:
- assert(c.spec == BYTE1_spec);
- assert(B == 1 && H == 256 && S == 0 && D == 0);
- return *rp++ & 0xFF;
-
- case cmk_CHAR3:
- assert(c.spec == CHAR3_spec);
- assert(B == B3 && H == H128 && S == 0 && D == 0);
- return coding::parse_lgH(rp, B3, H128, 7);
-
- case cmk_UNSIGNED5:
- assert(c.spec == UNSIGNED5_spec);
- assert(B == B5 && H == H64 && S == 0 && D == 0);
- return coding::parse_lgH(rp, B5, H64, 6);
-
- case cmk_BHSD1:
- assert(D == 1);
- uval = coding::parse(rp, B, H);
- if (S != 0)
- uval = (uint32_t)decode_sign(S, uval);
- return getDeltaValue(this, uval, (bool)c.isSubrange);
-
- case cmk_BHS1D1full:
- assert(S == 1 && D == 1 && c.isFullRange);
- uval = coding::parse(rp, B, H);
- uval = (uint32_t)DECODE_SIGN_S1(uval);
- return getDeltaValue(this, uval, false);
-
- case cmk_BHS1D1sub:
- assert(S == 1 && D == 1 && c.isSubrange);
- uval = coding::parse(rp, B, H);
- uval = (uint32_t)DECODE_SIGN_S1(uval);
- return getDeltaValue(this, uval, true);
-
- case cmk_DELTA5:
- assert(c.spec == DELTA5_spec);
- assert(B == B5 && H == H64 && S == 1 && D == 1 && c.isFullRange);
- uval = coding::parse_lgH(rp, B5, H64, 6);
- sum += DECODE_SIGN_S1(uval);
- return sum;
-
- case cmk_BCI5:
- assert(c.spec == BCI5_spec);
- assert(B == B5 && H == H4 && S == 0 && D == 0);
- return coding::parse_lgH(rp, B5, H4, 2);
-
- case cmk_BRANCH5:
- assert(c.spec == BRANCH5_spec);
- assert(B == B5 && H == H4 && S == 2 && D == 0);
- uval = coding::parse_lgH(rp, B5, H4, 2);
- return decode_sign(S, uval);
-
- case cmk_pop:
- uval = coding::parse(rp, B, H);
- if (S != 0)
- {
- uval = (uint32_t)decode_sign(S, uval);
- }
- if (D != 0)
- {
- assert(c.isSubrange | c.isFullRange);
- if (c.isSubrange)
- sum = c.sumInUnsignedRange(sum, (int)uval);
- else
- sum += (int)uval;
- uval = (uint32_t)sum;
- }
- return getPopValue(this, uval);
-
- case cmk_pop_BHS0:
- assert(S == 0 && D == 0);
- uval = coding::parse(rp, B, H);
- return getPopValue(this, uval);
-
- case cmk_pop_BYTE1:
- assert(c.spec == BYTE1_spec);
- assert(B == 1 && H == 256 && S == 0 && D == 0);
- return getPopValue(this, *rp++ & 0xFF);
-
- default:
- break;
- }
- assert(false);
- return 0;
+ if (rp >= rplimit)
+ {
+ // Advance to next coding segment.
+ if (rp > rplimit || cm == nullptr || cm->next == nullptr)
+ {
+ // Must perform this check and throw an exception on bad input.
+ unpack_abort(ERB);
+ return 0;
+ }
+ cm->next->reset(this);
+ return getInt();
+ }
+
+ CODING_PRIVATE(c.spec);
+ uint32_t uval;
+ enum
+ {
+ B5 = 5,
+ B3 = 3,
+ H128 = 128,
+ H64 = 64,
+ H4 = 4
+ };
+ switch (cmk)
+ {
+ case cmk_BHS:
+ assert(D == 0);
+ uval = coding::parse(rp, B, H);
+ if (S == 0)
+ return (int)uval;
+ return decode_sign(S, uval);
+
+ case cmk_BHS0:
+ assert(S == 0 && D == 0);
+ uval = coding::parse(rp, B, H);
+ return (int)uval;
+
+ case cmk_BHS1:
+ assert(S == 1 && D == 0);
+ uval = coding::parse(rp, B, H);
+ return DECODE_SIGN_S1(uval);
+
+ case cmk_BYTE1:
+ assert(c.spec == BYTE1_spec);
+ assert(B == 1 && H == 256 && S == 0 && D == 0);
+ return *rp++ & 0xFF;
+
+ case cmk_CHAR3:
+ assert(c.spec == CHAR3_spec);
+ assert(B == B3 && H == H128 && S == 0 && D == 0);
+ return coding::parse_lgH(rp, B3, H128, 7);
+
+ case cmk_UNSIGNED5:
+ assert(c.spec == UNSIGNED5_spec);
+ assert(B == B5 && H == H64 && S == 0 && D == 0);
+ return coding::parse_lgH(rp, B5, H64, 6);
+
+ case cmk_BHSD1:
+ assert(D == 1);
+ uval = coding::parse(rp, B, H);
+ if (S != 0)
+ uval = (uint32_t)decode_sign(S, uval);
+ return getDeltaValue(this, uval, (bool)c.isSubrange);
+
+ case cmk_BHS1D1full:
+ assert(S == 1 && D == 1 && c.isFullRange);
+ uval = coding::parse(rp, B, H);
+ uval = (uint32_t)DECODE_SIGN_S1(uval);
+ return getDeltaValue(this, uval, false);
+
+ case cmk_BHS1D1sub:
+ assert(S == 1 && D == 1 && c.isSubrange);
+ uval = coding::parse(rp, B, H);
+ uval = (uint32_t)DECODE_SIGN_S1(uval);
+ return getDeltaValue(this, uval, true);
+
+ case cmk_DELTA5:
+ assert(c.spec == DELTA5_spec);
+ assert(B == B5 && H == H64 && S == 1 && D == 1 && c.isFullRange);
+ uval = coding::parse_lgH(rp, B5, H64, 6);
+ sum += DECODE_SIGN_S1(uval);
+ return sum;
+
+ case cmk_BCI5:
+ assert(c.spec == BCI5_spec);
+ assert(B == B5 && H == H4 && S == 0 && D == 0);
+ return coding::parse_lgH(rp, B5, H4, 2);
+
+ case cmk_BRANCH5:
+ assert(c.spec == BRANCH5_spec);
+ assert(B == B5 && H == H4 && S == 2 && D == 0);
+ uval = coding::parse_lgH(rp, B5, H4, 2);
+ return decode_sign(S, uval);
+
+ case cmk_pop:
+ uval = coding::parse(rp, B, H);
+ if (S != 0)
+ {
+ uval = (uint32_t)decode_sign(S, uval);
+ }
+ if (D != 0)
+ {
+ assert(c.isSubrange | c.isFullRange);
+ if (c.isSubrange)
+ sum = c.sumInUnsignedRange(sum, (int)uval);
+ else
+ sum += (int)uval;
+ uval = (uint32_t)sum;
+ }
+ return getPopValue(this, uval);
+
+ case cmk_pop_BHS0:
+ assert(S == 0 && D == 0);
+ uval = coding::parse(rp, B, H);
+ return getPopValue(this, uval);
+
+ case cmk_pop_BYTE1:
+ assert(c.spec == BYTE1_spec);
+ assert(B == 1 && H == 256 && S == 0 && D == 0);
+ return getPopValue(this, *rp++ & 0xFF);
+
+ default:
+ break;
+ }
+ assert(false);
+ return 0;
}
static int moreCentral(int x, int y)
{ // used to find end of Pop.{F}
- // Suggested implementation from the Pack200 specification:
- uint32_t kx = (x >> 31) ^ (x << 1);
- uint32_t ky = (y >> 31) ^ (y << 1);
- return (kx < ky ? x : y);
+ // Suggested implementation from the Pack200 specification:
+ uint32_t kx = (x >> 31) ^ (x << 1);
+ uint32_t ky = (y >> 31) ^ (y << 1);
+ return (kx < ky ? x : y);
}
// static maybe_inline
// int moreCentral2(int x, int y, int min) {
@@ -641,7 +641,7 @@ static const byte *no_meta[] = {nullptr};
#define NO_META (*(byte **)no_meta)
enum
{
- POP_FAVORED_N = -2
+ POP_FAVORED_N = -2
};
// mode bits
@@ -650,395 +650,395 @@ enum
// This function knows all about meta-coding.
void coding_method::init(byte *&band_rp, byte *band_limit, byte *&meta_rp, int mode,
- coding *defc, int N, intlist *valueSink)
+ coding *defc, int N, intlist *valueSink)
{
- assert(N != 0);
-
- assert(u != nullptr); // must be pre-initialized
- // if (u == nullptr) u = unpacker::current(); // expensive
-
- int op = (meta_rp == nullptr) ? _meta_default : (*meta_rp++ & 0xFF);
- coding *foundc = nullptr;
- coding *to_free = nullptr;
-
- if (op == _meta_default)
- {
- foundc = defc;
- // and fall through
- }
- else if (op >= _meta_canon_min && op <= _meta_canon_max)
- {
- foundc = coding::findByIndex(op);
- // and fall through
- }
- else if (op == _meta_arb)
- {
- int args = (*meta_rp++ & 0xFF);
- // args = (D:[0..1] + 2*S[0..2] + 8*(B:[1..5]-1))
- int D = ((args >> 0) & 1);
- int S = ((args >> 1) & 3);
- int B = ((args >> 3) & -1) + 1;
- // & (H[1..256]-1)
- int H = (*meta_rp++ & 0xFF) + 1;
- foundc = coding::findBySpec(B, H, S, D);
- to_free = foundc; // findBySpec may dynamically allocate
- if (foundc == nullptr)
- {
- unpack_abort("illegal arbitrary coding");
- return;
- }
- // and fall through
- }
- else if (op >= _meta_run && op < _meta_pop)
- {
- int args = (op - _meta_run);
- // args: KX:[0..3] + 4*(KBFlag:[0..1]) + 8*(ABDef:[0..2])
- int KX = ((args >> 0) & 3);
- int KBFlag = ((args >> 2) & 1);
- int ABDef = ((args >> 3) & -1);
- assert(ABDef <= 2);
- // & KB: one of [0..255] if KBFlag=1
- int KB = (!KBFlag ? 3 : (*meta_rp++ & 0xFF));
- int K = (KB + 1) << (KX * 4);
- int N2 = (N >= 0) ? N - K : N;
- if (N == 0 || (N2 <= 0 && N2 != N))
- {
- unpack_abort("illegal run encoding");
- }
- if ((mode & DISABLE_RUN) != 0)
- {
- unpack_abort("illegal nested run encoding");
- }
-
- // & Enc{ ACode } if ADef=0 (ABDef != 1)
- // No direct nesting of 'run' in ACode, but in BCode it's OK.
- int disRun = mode | DISABLE_RUN;
- if (ABDef == 1)
- {
- this->init(band_rp, band_limit, NO_META, disRun, defc, K, valueSink);
- }
- else
- {
- this->init(band_rp, band_limit, meta_rp, disRun, defc, K, valueSink);
- }
-
- // & Enc{ BCode } if BDef=0 (ABDef != 2)
- coding_method *tail = U_NEW(coding_method, 1);
- if (!tail)
- return;
- tail->u = u;
-
- // The 'run' codings may be nested indirectly via 'pop' codings.
- // This means that this->next may already be filled in, if
- // ACode was of type 'pop' with a 'run' token coding.
- // No problem: Just chain the upcoming BCode onto the end.
- for (coding_method *self = this;; self = self->next)
- {
- if (self->next == nullptr)
- {
- self->next = tail;
- break;
- }
- }
-
- if (ABDef == 2)
- {
- tail->init(band_rp, band_limit, NO_META, mode, defc, N2, valueSink);
- }
- else
- {
- tail->init(band_rp, band_limit, meta_rp, mode, defc, N2, valueSink);
- }
- // Note: The preceding calls to init should be tail-recursive.
-
- return; // done; no falling through
- }
- else if (op >= _meta_pop && op < _meta_limit)
- {
- int args = (op - _meta_pop);
- // args: (FDef:[0..1]) + 2*UDef:[0..1] + 4*(TDefL:[0..11])
- int FDef = ((args >> 0) & 1);
- int UDef = ((args >> 1) & 1);
- int TDefL = ((args >> 2) & -1);
- assert(TDefL <= 11);
- int TDef = (TDefL > 0);
- int TL = (TDefL <= 6) ? (2 << TDefL) : (256 - (4 << (11 - TDefL)));
- int TH = (256 - TL);
- if (N <= 0)
- {
- unpack_abort("illegal pop encoding");
- }
- if ((mode & DISABLE_POP) != 0)
- {
- unpack_abort("illegal nested pop encoding");
- }
-
- // No indirect nesting of 'pop', but 'run' is OK.
- int disPop = DISABLE_POP;
-
- // & Enc{ FCode } if FDef=0
- int FN = POP_FAVORED_N;
- assert(valueSink == nullptr);
- intlist fValueSink;
- fValueSink.init();
- coding_method fval;
- BYTES_OF(fval).clear();
- fval.u = u;
- if (FDef != 0)
- {
- fval.init(band_rp, band_limit, NO_META, disPop, defc, FN, &fValueSink);
- }
- else
- {
- fval.init(band_rp, band_limit, meta_rp, disPop, defc, FN, &fValueSink);
- }
- bytes fvbuf;
- fValues = (u->saveTo(fvbuf, fValueSink.b), (int *)fvbuf.ptr);
- fVlength = fValueSink.length(); // i.e., the parameter K
- fValueSink.free();
-
- // Skip the first {F} run in all subsequent passes.
- // The next call to this->init(...) will set vs0.rp to point after the {F}.
-
- // & Enc{ TCode } if TDef=0 (TDefL==0)
- if (TDef != 0)
- {
- coding *tcode = coding::findBySpec(1, 256); // BYTE1
- // find the most narrowly sufficient code:
- for (int B = 2; B <= B_MAX; B++)
- {
- if (fVlength <= tcode->umax)
- break; // found it
- tcode->free();
- tcode = coding::findBySpec(B, TH);
- if (!tcode)
- return;
- }
- if (!(fVlength <= tcode->umax))
- {
- unpack_abort("pop.L value too small");
- }
- this->init(band_rp, band_limit, NO_META, disPop, tcode, N, nullptr);
- tcode->free();
- }
- else
- {
- this->init(band_rp, band_limit, meta_rp, disPop, defc, N, nullptr);
- }
-
- // Count the number of zero tokens right now.
- // Also verify that they are in bounds.
- int UN = 0; // one {U} for each zero in {T}
- value_stream vs = vs0;
- for (int i = 0; i < N; i++)
- {
- uint32_t val = vs.getInt();
- if (val == 0)
- UN += 1;
- if (!(val <= (uint32_t)fVlength))
- {
- unpack_abort("pop token out of range");
- }
- }
- vs.done();
-
- // & Enc{ UCode } if UDef=0
- if (UN != 0)
- {
- uValues = U_NEW(coding_method, 1);
- if (uValues == nullptr)
- return;
- uValues->u = u;
- if (UDef != 0)
- {
- uValues->init(band_rp, band_limit, NO_META, disPop, defc, UN, nullptr);
- }
- else
- {
- uValues->init(band_rp, band_limit, meta_rp, disPop, defc, UN, nullptr);
- }
- }
- else
- {
- if (UDef == 0)
- {
- int uop = (*meta_rp++ & 0xFF);
- if (uop > _meta_canon_max)
- // %%% Spec. requires the more strict (uop != _meta_default).
- unpack_abort("bad meta-coding for empty pop/U");
- }
- }
-
- // Bug fix for 6259542
- // Last of all, adjust vs0.cmk to the 'pop' flavor
- for (coding_method *self = this; self != nullptr; self = self->next)
- {
- coding_method_kind cmk2 = cmk_pop;
- switch (self->vs0.cmk)
- {
- case cmk_BHS0:
- cmk2 = cmk_pop_BHS0;
- break;
- case cmk_BYTE1:
- cmk2 = cmk_pop_BYTE1;
- break;
- default:
- break;
- }
- self->vs0.cmk = cmk2;
- if (self != this)
- {
- assert(self->fValues == nullptr); // no double init
- self->fValues = this->fValues;
- self->fVlength = this->fVlength;
- assert(self->uValues == nullptr); // must stay nullptr
- }
- }
-
- return; // done; no falling through
- }
- else
- {
- unpack_abort("bad meta-coding");
- }
-
- // Common code here skips a series of values with one coding.
- assert(foundc != nullptr);
-
- assert(vs0.cmk == cmk_ERROR); // no garbage, please
- assert(vs0.rp == nullptr); // no garbage, please
- assert(vs0.rplimit == nullptr); // no garbage, please
- assert(vs0.sum == 0); // no garbage, please
-
- vs0.init(band_rp, band_limit, foundc);
-
- // Done with foundc. Free if necessary.
- if (to_free != nullptr)
- {
- to_free->free();
- to_free = nullptr;
- }
- foundc = nullptr;
-
- coding &c = vs0.c;
- CODING_PRIVATE(c.spec);
- // assert sane N
- assert((uint32_t)N < INT_MAX_VALUE || N == POP_FAVORED_N);
-
- // Look at the values, or at least skip over them quickly.
- if (valueSink == nullptr)
- {
- // Skip and ignore values in the first pass.
- c.parseMultiple(band_rp, N, band_limit, B, H);
- }
- else if (N >= 0)
- {
- // Pop coding, {F} sequence, initial run of values...
- assert((mode & DISABLE_POP) != 0);
- value_stream vs = vs0;
- for (int n = 0; n < N; n++)
- {
- int val = vs.getInt();
- valueSink->add(val);
- }
- band_rp = vs.rp;
- }
- else
- {
- // Pop coding, {F} sequence, final run of values...
- assert((mode & DISABLE_POP) != 0);
- assert(N == POP_FAVORED_N);
- int min = INT_MIN_VALUE; // farthest from the center
- // min2 is based on the buggy specification of centrality in version 150.7
- // no known implementations transmit this value, but just in case...
- // int min2 = INT_MIN_VALUE;
- int last = 0;
- // if there were initial runs, find the potential sentinels in them:
- for (int i = 0; i < valueSink->length(); i++)
- {
- last = valueSink->get(i);
- min = moreCentral(min, last);
- // min2 = moreCentral2(min2, last, min);
- }
- value_stream vs = vs0;
- for (;;)
- {
- int val = vs.getInt();
- if (valueSink->length() > 0 && (val == last || val == min)) //|| val == min2
- break;
- valueSink->add(val);
- last = val;
- min = moreCentral(min, last);
- // min2 = moreCentral2(min2, last, min);
- }
- band_rp = vs.rp;
- }
-
- // Get an accurate upper limit now.
- vs0.rplimit = band_rp;
- vs0.cm = this;
-
- return; // success
+ assert(N != 0);
+
+ assert(u != nullptr); // must be pre-initialized
+ // if (u == nullptr) u = unpacker::current(); // expensive
+
+ int op = (meta_rp == nullptr) ? _meta_default : (*meta_rp++ & 0xFF);
+ coding *foundc = nullptr;
+ coding *to_free = nullptr;
+
+ if (op == _meta_default)
+ {
+ foundc = defc;
+ // and fall through
+ }
+ else if (op >= _meta_canon_min && op <= _meta_canon_max)
+ {
+ foundc = coding::findByIndex(op);
+ // and fall through
+ }
+ else if (op == _meta_arb)
+ {
+ int args = (*meta_rp++ & 0xFF);
+ // args = (D:[0..1] + 2*S[0..2] + 8*(B:[1..5]-1))
+ int D = ((args >> 0) & 1);
+ int S = ((args >> 1) & 3);
+ int B = ((args >> 3) & -1) + 1;
+ // & (H[1..256]-1)
+ int H = (*meta_rp++ & 0xFF) + 1;
+ foundc = coding::findBySpec(B, H, S, D);
+ to_free = foundc; // findBySpec may dynamically allocate
+ if (foundc == nullptr)
+ {
+ unpack_abort("illegal arbitrary coding");
+ return;
+ }
+ // and fall through
+ }
+ else if (op >= _meta_run && op < _meta_pop)
+ {
+ int args = (op - _meta_run);
+ // args: KX:[0..3] + 4*(KBFlag:[0..1]) + 8*(ABDef:[0..2])
+ int KX = ((args >> 0) & 3);
+ int KBFlag = ((args >> 2) & 1);
+ int ABDef = ((args >> 3) & -1);
+ assert(ABDef <= 2);
+ // & KB: one of [0..255] if KBFlag=1
+ int KB = (!KBFlag ? 3 : (*meta_rp++ & 0xFF));
+ int K = (KB + 1) << (KX * 4);
+ int N2 = (N >= 0) ? N - K : N;
+ if (N == 0 || (N2 <= 0 && N2 != N))
+ {
+ unpack_abort("illegal run encoding");
+ }
+ if ((mode & DISABLE_RUN) != 0)
+ {
+ unpack_abort("illegal nested run encoding");
+ }
+
+ // & Enc{ ACode } if ADef=0 (ABDef != 1)
+ // No direct nesting of 'run' in ACode, but in BCode it's OK.
+ int disRun = mode | DISABLE_RUN;
+ if (ABDef == 1)
+ {
+ this->init(band_rp, band_limit, NO_META, disRun, defc, K, valueSink);
+ }
+ else
+ {
+ this->init(band_rp, band_limit, meta_rp, disRun, defc, K, valueSink);
+ }
+
+ // & Enc{ BCode } if BDef=0 (ABDef != 2)
+ coding_method *tail = U_NEW(coding_method, 1);
+ if (!tail)
+ return;
+ tail->u = u;
+
+ // The 'run' codings may be nested indirectly via 'pop' codings.
+ // This means that this->next may already be filled in, if
+ // ACode was of type 'pop' with a 'run' token coding.
+ // No problem: Just chain the upcoming BCode onto the end.
+ for (coding_method *self = this;; self = self->next)
+ {
+ if (self->next == nullptr)
+ {
+ self->next = tail;
+ break;
+ }
+ }
+
+ if (ABDef == 2)
+ {
+ tail->init(band_rp, band_limit, NO_META, mode, defc, N2, valueSink);
+ }
+ else
+ {
+ tail->init(band_rp, band_limit, meta_rp, mode, defc, N2, valueSink);
+ }
+ // Note: The preceding calls to init should be tail-recursive.
+
+ return; // done; no falling through
+ }
+ else if (op >= _meta_pop && op < _meta_limit)
+ {
+ int args = (op - _meta_pop);
+ // args: (FDef:[0..1]) + 2*UDef:[0..1] + 4*(TDefL:[0..11])
+ int FDef = ((args >> 0) & 1);
+ int UDef = ((args >> 1) & 1);
+ int TDefL = ((args >> 2) & -1);
+ assert(TDefL <= 11);
+ int TDef = (TDefL > 0);
+ int TL = (TDefL <= 6) ? (2 << TDefL) : (256 - (4 << (11 - TDefL)));
+ int TH = (256 - TL);
+ if (N <= 0)
+ {
+ unpack_abort("illegal pop encoding");
+ }
+ if ((mode & DISABLE_POP) != 0)
+ {
+ unpack_abort("illegal nested pop encoding");
+ }
+
+ // No indirect nesting of 'pop', but 'run' is OK.
+ int disPop = DISABLE_POP;
+
+ // & Enc{ FCode } if FDef=0
+ int FN = POP_FAVORED_N;
+ assert(valueSink == nullptr);
+ intlist fValueSink;
+ fValueSink.init();
+ coding_method fval;
+ BYTES_OF(fval).clear();
+ fval.u = u;
+ if (FDef != 0)
+ {
+ fval.init(band_rp, band_limit, NO_META, disPop, defc, FN, &fValueSink);
+ }
+ else
+ {
+ fval.init(band_rp, band_limit, meta_rp, disPop, defc, FN, &fValueSink);
+ }
+ bytes fvbuf;
+ fValues = (u->saveTo(fvbuf, fValueSink.b), (int *)fvbuf.ptr);
+ fVlength = fValueSink.length(); // i.e., the parameter K
+ fValueSink.free();
+
+ // Skip the first {F} run in all subsequent passes.
+ // The next call to this->init(...) will set vs0.rp to point after the {F}.
+
+ // & Enc{ TCode } if TDef=0 (TDefL==0)
+ if (TDef != 0)
+ {
+ coding *tcode = coding::findBySpec(1, 256); // BYTE1
+ // find the most narrowly sufficient code:
+ for (int B = 2; B <= B_MAX; B++)
+ {
+ if (fVlength <= tcode->umax)
+ break; // found it
+ tcode->free();
+ tcode = coding::findBySpec(B, TH);
+ if (!tcode)
+ return;
+ }
+ if (!(fVlength <= tcode->umax))
+ {
+ unpack_abort("pop.L value too small");
+ }
+ this->init(band_rp, band_limit, NO_META, disPop, tcode, N, nullptr);
+ tcode->free();
+ }
+ else
+ {
+ this->init(band_rp, band_limit, meta_rp, disPop, defc, N, nullptr);
+ }
+
+ // Count the number of zero tokens right now.
+ // Also verify that they are in bounds.
+ int UN = 0; // one {U} for each zero in {T}
+ value_stream vs = vs0;
+ for (int i = 0; i < N; i++)
+ {
+ uint32_t val = vs.getInt();
+ if (val == 0)
+ UN += 1;
+ if (!(val <= (uint32_t)fVlength))
+ {
+ unpack_abort("pop token out of range");
+ }
+ }
+ vs.done();
+
+ // & Enc{ UCode } if UDef=0
+ if (UN != 0)
+ {
+ uValues = U_NEW(coding_method, 1);
+ if (uValues == nullptr)
+ return;
+ uValues->u = u;
+ if (UDef != 0)
+ {
+ uValues->init(band_rp, band_limit, NO_META, disPop, defc, UN, nullptr);
+ }
+ else
+ {
+ uValues->init(band_rp, band_limit, meta_rp, disPop, defc, UN, nullptr);
+ }
+ }
+ else
+ {
+ if (UDef == 0)
+ {
+ int uop = (*meta_rp++ & 0xFF);
+ if (uop > _meta_canon_max)
+ // %%% Spec. requires the more strict (uop != _meta_default).
+ unpack_abort("bad meta-coding for empty pop/U");
+ }
+ }
+
+ // Bug fix for 6259542
+ // Last of all, adjust vs0.cmk to the 'pop' flavor
+ for (coding_method *self = this; self != nullptr; self = self->next)
+ {
+ coding_method_kind cmk2 = cmk_pop;
+ switch (self->vs0.cmk)
+ {
+ case cmk_BHS0:
+ cmk2 = cmk_pop_BHS0;
+ break;
+ case cmk_BYTE1:
+ cmk2 = cmk_pop_BYTE1;
+ break;
+ default:
+ break;
+ }
+ self->vs0.cmk = cmk2;
+ if (self != this)
+ {
+ assert(self->fValues == nullptr); // no double init
+ self->fValues = this->fValues;
+ self->fVlength = this->fVlength;
+ assert(self->uValues == nullptr); // must stay nullptr
+ }
+ }
+
+ return; // done; no falling through
+ }
+ else
+ {
+ unpack_abort("bad meta-coding");
+ }
+
+ // Common code here skips a series of values with one coding.
+ assert(foundc != nullptr);
+
+ assert(vs0.cmk == cmk_ERROR); // no garbage, please
+ assert(vs0.rp == nullptr); // no garbage, please
+ assert(vs0.rplimit == nullptr); // no garbage, please
+ assert(vs0.sum == 0); // no garbage, please
+
+ vs0.init(band_rp, band_limit, foundc);
+
+ // Done with foundc. Free if necessary.
+ if (to_free != nullptr)
+ {
+ to_free->free();
+ to_free = nullptr;
+ }
+ foundc = nullptr;
+
+ coding &c = vs0.c;
+ CODING_PRIVATE(c.spec);
+ // assert sane N
+ assert((uint32_t)N < INT_MAX_VALUE || N == POP_FAVORED_N);
+
+ // Look at the values, or at least skip over them quickly.
+ if (valueSink == nullptr)
+ {
+ // Skip and ignore values in the first pass.
+ c.parseMultiple(band_rp, N, band_limit, B, H);
+ }
+ else if (N >= 0)
+ {
+ // Pop coding, {F} sequence, initial run of values...
+ assert((mode & DISABLE_POP) != 0);
+ value_stream vs = vs0;
+ for (int n = 0; n < N; n++)
+ {
+ int val = vs.getInt();
+ valueSink->add(val);
+ }
+ band_rp = vs.rp;
+ }
+ else
+ {
+ // Pop coding, {F} sequence, final run of values...
+ assert((mode & DISABLE_POP) != 0);
+ assert(N == POP_FAVORED_N);
+ int min = INT_MIN_VALUE; // farthest from the center
+ // min2 is based on the buggy specification of centrality in version 150.7
+ // no known implementations transmit this value, but just in case...
+ // int min2 = INT_MIN_VALUE;
+ int last = 0;
+ // if there were initial runs, find the potential sentinels in them:
+ for (int i = 0; i < valueSink->length(); i++)
+ {
+ last = valueSink->get(i);
+ min = moreCentral(min, last);
+ // min2 = moreCentral2(min2, last, min);
+ }
+ value_stream vs = vs0;
+ for (;;)
+ {
+ int val = vs.getInt();
+ if (valueSink->length() > 0 && (val == last || val == min)) //|| val == min2
+ break;
+ valueSink->add(val);
+ last = val;
+ min = moreCentral(min, last);
+ // min2 = moreCentral2(min2, last, min);
+ }
+ band_rp = vs.rp;
+ }
+
+ // Get an accurate upper limit now.
+ vs0.rplimit = band_rp;
+ vs0.cm = this;
+
+ return; // success
}
coding basic_codings[] = {
- // This one is not a usable irregular coding, but is used by cp_Utf8_chars.
- CODING_INIT(3, 128, 0, 0),
-
- // Fixed-length codings:
- CODING_INIT(1, 256, 0, 0), CODING_INIT(1, 256, 1, 0), CODING_INIT(1, 256, 0, 1),
- CODING_INIT(1, 256, 1, 1), CODING_INIT(2, 256, 0, 0), CODING_INIT(2, 256, 1, 0),
- CODING_INIT(2, 256, 0, 1), CODING_INIT(2, 256, 1, 1), CODING_INIT(3, 256, 0, 0),
- CODING_INIT(3, 256, 1, 0), CODING_INIT(3, 256, 0, 1), CODING_INIT(3, 256, 1, 1),
- CODING_INIT(4, 256, 0, 0), CODING_INIT(4, 256, 1, 0), CODING_INIT(4, 256, 0, 1),
- CODING_INIT(4, 256, 1, 1),
-
- // Full-range variable-length codings:
- CODING_INIT(5, 4, 0, 0), CODING_INIT(5, 4, 1, 0), CODING_INIT(5, 4, 2, 0),
- CODING_INIT(5, 16, 0, 0), CODING_INIT(5, 16, 1, 0), CODING_INIT(5, 16, 2, 0),
- CODING_INIT(5, 32, 0, 0), CODING_INIT(5, 32, 1, 0), CODING_INIT(5, 32, 2, 0),
- CODING_INIT(5, 64, 0, 0), CODING_INIT(5, 64, 1, 0), CODING_INIT(5, 64, 2, 0),
- CODING_INIT(5, 128, 0, 0), CODING_INIT(5, 128, 1, 0), CODING_INIT(5, 128, 2, 0),
- CODING_INIT(5, 4, 0, 1), CODING_INIT(5, 4, 1, 1), CODING_INIT(5, 4, 2, 1),
- CODING_INIT(5, 16, 0, 1), CODING_INIT(5, 16, 1, 1), CODING_INIT(5, 16, 2, 1),
- CODING_INIT(5, 32, 0, 1), CODING_INIT(5, 32, 1, 1), CODING_INIT(5, 32, 2, 1),
- CODING_INIT(5, 64, 0, 1), CODING_INIT(5, 64, 1, 1), CODING_INIT(5, 64, 2, 1),
- CODING_INIT(5, 128, 0, 1), CODING_INIT(5, 128, 1, 1), CODING_INIT(5, 128, 2, 1),
-
- // Variable length subrange codings:
- CODING_INIT(2, 192, 0, 0), CODING_INIT(2, 224, 0, 0), CODING_INIT(2, 240, 0, 0),
- CODING_INIT(2, 248, 0, 0), CODING_INIT(2, 252, 0, 0), CODING_INIT(2, 8, 0, 1),
- CODING_INIT(2, 8, 1, 1), CODING_INIT(2, 16, 0, 1), CODING_INIT(2, 16, 1, 1),
- CODING_INIT(2, 32, 0, 1), CODING_INIT(2, 32, 1, 1), CODING_INIT(2, 64, 0, 1),
- CODING_INIT(2, 64, 1, 1), CODING_INIT(2, 128, 0, 1), CODING_INIT(2, 128, 1, 1),
- CODING_INIT(2, 192, 0, 1), CODING_INIT(2, 192, 1, 1), CODING_INIT(2, 224, 0, 1),
- CODING_INIT(2, 224, 1, 1), CODING_INIT(2, 240, 0, 1), CODING_INIT(2, 240, 1, 1),
- CODING_INIT(2, 248, 0, 1), CODING_INIT(2, 248, 1, 1), CODING_INIT(3, 192, 0, 0),
- CODING_INIT(3, 224, 0, 0), CODING_INIT(3, 240, 0, 0), CODING_INIT(3, 248, 0, 0),
- CODING_INIT(3, 252, 0, 0), CODING_INIT(3, 8, 0, 1), CODING_INIT(3, 8, 1, 1),
- CODING_INIT(3, 16, 0, 1), CODING_INIT(3, 16, 1, 1), CODING_INIT(3, 32, 0, 1),
- CODING_INIT(3, 32, 1, 1), CODING_INIT(3, 64, 0, 1), CODING_INIT(3, 64, 1, 1),
- CODING_INIT(3, 128, 0, 1), CODING_INIT(3, 128, 1, 1), CODING_INIT(3, 192, 0, 1),
- CODING_INIT(3, 192, 1, 1), CODING_INIT(3, 224, 0, 1), CODING_INIT(3, 224, 1, 1),
- CODING_INIT(3, 240, 0, 1), CODING_INIT(3, 240, 1, 1), CODING_INIT(3, 248, 0, 1),
- CODING_INIT(3, 248, 1, 1), CODING_INIT(4, 192, 0, 0), CODING_INIT(4, 224, 0, 0),
- CODING_INIT(4, 240, 0, 0), CODING_INIT(4, 248, 0, 0), CODING_INIT(4, 252, 0, 0),
- CODING_INIT(4, 8, 0, 1), CODING_INIT(4, 8, 1, 1), CODING_INIT(4, 16, 0, 1),
- CODING_INIT(4, 16, 1, 1), CODING_INIT(4, 32, 0, 1), CODING_INIT(4, 32, 1, 1),
- CODING_INIT(4, 64, 0, 1), CODING_INIT(4, 64, 1, 1), CODING_INIT(4, 128, 0, 1),
- CODING_INIT(4, 128, 1, 1), CODING_INIT(4, 192, 0, 1), CODING_INIT(4, 192, 1, 1),
- CODING_INIT(4, 224, 0, 1), CODING_INIT(4, 224, 1, 1), CODING_INIT(4, 240, 0, 1),
- CODING_INIT(4, 240, 1, 1), CODING_INIT(4, 248, 0, 1), CODING_INIT(4, 248, 1, 1),
- CODING_INIT(0, 0, 0, 0)};
+ // This one is not a usable irregular coding, but is used by cp_Utf8_chars.
+ CODING_INIT(3, 128, 0, 0),
+
+ // Fixed-length codings:
+ CODING_INIT(1, 256, 0, 0), CODING_INIT(1, 256, 1, 0), CODING_INIT(1, 256, 0, 1),
+ CODING_INIT(1, 256, 1, 1), CODING_INIT(2, 256, 0, 0), CODING_INIT(2, 256, 1, 0),
+ CODING_INIT(2, 256, 0, 1), CODING_INIT(2, 256, 1, 1), CODING_INIT(3, 256, 0, 0),
+ CODING_INIT(3, 256, 1, 0), CODING_INIT(3, 256, 0, 1), CODING_INIT(3, 256, 1, 1),
+ CODING_INIT(4, 256, 0, 0), CODING_INIT(4, 256, 1, 0), CODING_INIT(4, 256, 0, 1),
+ CODING_INIT(4, 256, 1, 1),
+
+ // Full-range variable-length codings:
+ CODING_INIT(5, 4, 0, 0), CODING_INIT(5, 4, 1, 0), CODING_INIT(5, 4, 2, 0),
+ CODING_INIT(5, 16, 0, 0), CODING_INIT(5, 16, 1, 0), CODING_INIT(5, 16, 2, 0),
+ CODING_INIT(5, 32, 0, 0), CODING_INIT(5, 32, 1, 0), CODING_INIT(5, 32, 2, 0),
+ CODING_INIT(5, 64, 0, 0), CODING_INIT(5, 64, 1, 0), CODING_INIT(5, 64, 2, 0),
+ CODING_INIT(5, 128, 0, 0), CODING_INIT(5, 128, 1, 0), CODING_INIT(5, 128, 2, 0),
+ CODING_INIT(5, 4, 0, 1), CODING_INIT(5, 4, 1, 1), CODING_INIT(5, 4, 2, 1),
+ CODING_INIT(5, 16, 0, 1), CODING_INIT(5, 16, 1, 1), CODING_INIT(5, 16, 2, 1),
+ CODING_INIT(5, 32, 0, 1), CODING_INIT(5, 32, 1, 1), CODING_INIT(5, 32, 2, 1),
+ CODING_INIT(5, 64, 0, 1), CODING_INIT(5, 64, 1, 1), CODING_INIT(5, 64, 2, 1),
+ CODING_INIT(5, 128, 0, 1), CODING_INIT(5, 128, 1, 1), CODING_INIT(5, 128, 2, 1),
+
+ // Variable length subrange codings:
+ CODING_INIT(2, 192, 0, 0), CODING_INIT(2, 224, 0, 0), CODING_INIT(2, 240, 0, 0),
+ CODING_INIT(2, 248, 0, 0), CODING_INIT(2, 252, 0, 0), CODING_INIT(2, 8, 0, 1),
+ CODING_INIT(2, 8, 1, 1), CODING_INIT(2, 16, 0, 1), CODING_INIT(2, 16, 1, 1),
+ CODING_INIT(2, 32, 0, 1), CODING_INIT(2, 32, 1, 1), CODING_INIT(2, 64, 0, 1),
+ CODING_INIT(2, 64, 1, 1), CODING_INIT(2, 128, 0, 1), CODING_INIT(2, 128, 1, 1),
+ CODING_INIT(2, 192, 0, 1), CODING_INIT(2, 192, 1, 1), CODING_INIT(2, 224, 0, 1),
+ CODING_INIT(2, 224, 1, 1), CODING_INIT(2, 240, 0, 1), CODING_INIT(2, 240, 1, 1),
+ CODING_INIT(2, 248, 0, 1), CODING_INIT(2, 248, 1, 1), CODING_INIT(3, 192, 0, 0),
+ CODING_INIT(3, 224, 0, 0), CODING_INIT(3, 240, 0, 0), CODING_INIT(3, 248, 0, 0),
+ CODING_INIT(3, 252, 0, 0), CODING_INIT(3, 8, 0, 1), CODING_INIT(3, 8, 1, 1),
+ CODING_INIT(3, 16, 0, 1), CODING_INIT(3, 16, 1, 1), CODING_INIT(3, 32, 0, 1),
+ CODING_INIT(3, 32, 1, 1), CODING_INIT(3, 64, 0, 1), CODING_INIT(3, 64, 1, 1),
+ CODING_INIT(3, 128, 0, 1), CODING_INIT(3, 128, 1, 1), CODING_INIT(3, 192, 0, 1),
+ CODING_INIT(3, 192, 1, 1), CODING_INIT(3, 224, 0, 1), CODING_INIT(3, 224, 1, 1),
+ CODING_INIT(3, 240, 0, 1), CODING_INIT(3, 240, 1, 1), CODING_INIT(3, 248, 0, 1),
+ CODING_INIT(3, 248, 1, 1), CODING_INIT(4, 192, 0, 0), CODING_INIT(4, 224, 0, 0),
+ CODING_INIT(4, 240, 0, 0), CODING_INIT(4, 248, 0, 0), CODING_INIT(4, 252, 0, 0),
+ CODING_INIT(4, 8, 0, 1), CODING_INIT(4, 8, 1, 1), CODING_INIT(4, 16, 0, 1),
+ CODING_INIT(4, 16, 1, 1), CODING_INIT(4, 32, 0, 1), CODING_INIT(4, 32, 1, 1),
+ CODING_INIT(4, 64, 0, 1), CODING_INIT(4, 64, 1, 1), CODING_INIT(4, 128, 0, 1),
+ CODING_INIT(4, 128, 1, 1), CODING_INIT(4, 192, 0, 1), CODING_INIT(4, 192, 1, 1),
+ CODING_INIT(4, 224, 0, 1), CODING_INIT(4, 224, 1, 1), CODING_INIT(4, 240, 0, 1),
+ CODING_INIT(4, 240, 1, 1), CODING_INIT(4, 248, 0, 1), CODING_INIT(4, 248, 1, 1),
+ CODING_INIT(0, 0, 0, 0)};
#define BASIC_INDEX_LIMIT (int)(sizeof(basic_codings) / sizeof(basic_codings[0]) - 1)
coding *coding::findByIndex(int idx)
{
- int index_limit = BASIC_INDEX_LIMIT;
- assert(_meta_canon_min == 1 && _meta_canon_max + 1 == index_limit);
+ int index_limit = BASIC_INDEX_LIMIT;
+ assert(_meta_canon_min == 1 && _meta_canon_max + 1 == index_limit);
- if (idx >= _meta_canon_min && idx <= _meta_canon_max)
- return basic_codings[idx].init();
- else
- return nullptr;
+ if (idx >= _meta_canon_min && idx <= _meta_canon_max)
+ return basic_codings[idx].init();
+ else
+ return nullptr;
}
diff --git a/libraries/pack200/src/coding.h b/libraries/pack200/src/coding.h
index f9bd6ca2..bfdd252e 100644
--- a/libraries/pack200/src/coding.h
+++ b/libraries/pack200/src/coding.h
@@ -35,9 +35,9 @@ struct unpacker;
#define CODING_D(x) ((x) >> 0 & 0xF)
#define CODING_INIT(B, H, S, D) \
- { \
- CODING_SPEC(B, H, S, D), 0, 0, 0, 0, 0, 0, 0, 0 \
- }
+ { \
+ CODING_SPEC(B, H, S, D), 0, 0, 0, 0, 0, 0, 0, 0 \
+ }
// For debugging purposes, some compilers do not like this and will complain.
// #define long do_not_use_C_long_types_use_jlong_or_int
@@ -45,126 +45,126 @@ struct unpacker;
struct coding
{
- int spec; // B,H,S,D
-
- // Handy values derived from the spec:
- int B()
- {
- return CODING_B(spec);
- }
- int H()
- {
- return CODING_H(spec);
- }
- int S()
- {
- return CODING_S(spec);
- }
- int D()
- {
- return CODING_D(spec);
- }
- int L()
- {
- return 256 - CODING_H(spec);
- }
- int min, max;
- int umin, umax;
- char isSigned, isSubrange, isFullRange, isMalloc;
-
- coding *init(); // returns self or nullptr if error
- coding *initFrom(int spec_)
- {
- assert(this->spec == 0);
- this->spec = spec_;
- return init();
- }
-
- static coding *findBySpec(int spec);
- static coding *findBySpec(int B, int H, int S = 0, int D = 0);
- static coding *findByIndex(int irregularCodingIndex);
-
- static uint32_t parse(byte *&rp, int B, int H);
- static uint32_t parse_lgH(byte *&rp, int B, int H, int lgH);
- static void parseMultiple(byte *&rp, int N, byte *limit, int B, int H);
-
- uint32_t parse(byte *&rp)
- {
- return parse(rp, CODING_B(spec), CODING_H(spec));
- }
- void parseMultiple(byte *&rp, int N, byte *limit)
- {
- parseMultiple(rp, N, limit, CODING_B(spec), CODING_H(spec));
- }
-
- bool canRepresent(int x)
- {
- return (x >= min && x <= max);
- }
- bool canRepresentUnsigned(int x)
- {
- return (x >= umin && x <= umax);
- }
-
- int sumInUnsignedRange(int x, int y);
-
- int readFrom(byte *&rpVar, int *dbase);
- void readArrayFrom(byte *&rpVar, int *dbase, int length, int *values);
- void skipArrayFrom(byte *&rpVar, int length)
- {
- readArrayFrom(rpVar, (int *)NULL, length, (int *)NULL);
- }
-
- void free(); // free self if isMalloc
+ int spec; // B,H,S,D
+
+ // Handy values derived from the spec:
+ int B()
+ {
+ return CODING_B(spec);
+ }
+ int H()
+ {
+ return CODING_H(spec);
+ }
+ int S()
+ {
+ return CODING_S(spec);
+ }
+ int D()
+ {
+ return CODING_D(spec);
+ }
+ int L()
+ {
+ return 256 - CODING_H(spec);
+ }
+ int min, max;
+ int umin, umax;
+ char isSigned, isSubrange, isFullRange, isMalloc;
+
+ coding *init(); // returns self or nullptr if error
+ coding *initFrom(int spec_)
+ {
+ assert(this->spec == 0);
+ this->spec = spec_;
+ return init();
+ }
+
+ static coding *findBySpec(int spec);
+ static coding *findBySpec(int B, int H, int S = 0, int D = 0);
+ static coding *findByIndex(int irregularCodingIndex);
+
+ static uint32_t parse(byte *&rp, int B, int H);
+ static uint32_t parse_lgH(byte *&rp, int B, int H, int lgH);
+ static void parseMultiple(byte *&rp, int N, byte *limit, int B, int H);
+
+ uint32_t parse(byte *&rp)
+ {
+ return parse(rp, CODING_B(spec), CODING_H(spec));
+ }
+ void parseMultiple(byte *&rp, int N, byte *limit)
+ {
+ parseMultiple(rp, N, limit, CODING_B(spec), CODING_H(spec));
+ }
+
+ bool canRepresent(int x)
+ {
+ return (x >= min && x <= max);
+ }
+ bool canRepresentUnsigned(int x)
+ {
+ return (x >= umin && x <= umax);
+ }
+
+ int sumInUnsignedRange(int x, int y);
+
+ int readFrom(byte *&rpVar, int *dbase);
+ void readArrayFrom(byte *&rpVar, int *dbase, int length, int *values);
+ void skipArrayFrom(byte *&rpVar, int length)
+ {
+ readArrayFrom(rpVar, (int *)NULL, length, (int *)NULL);
+ }
+
+ void free(); // free self if isMalloc
};
enum coding_method_kind
{
- cmk_ERROR,
- cmk_BHS,
- cmk_BHS0,
- cmk_BHS1,
- cmk_BHSD1,
- cmk_BHS1D1full, // isFullRange
- cmk_BHS1D1sub, // isSubRange
-
- // special cases hand-optimized (~50% of all decoded values)
- cmk_BYTE1, //(1,256) 6%
- cmk_CHAR3, //(3,128) 7%
- cmk_UNSIGNED5, //(5,64) 13%
- cmk_DELTA5, //(5,64,1,1) 5%
- cmk_BCI5, //(5,4) 18%
- cmk_BRANCH5, //(5,4,2) 4%
- // cmk_UNSIGNED5H16, //(5,16) 5%
- // cmk_UNSIGNED2H4, //(2,4) 6%
- // cmk_DELTA4H8, //(4,8,1,1) 10%
- // cmk_DELTA3H16, //(3,16,1,1) 9%
- cmk_BHS_LIMIT,
- cmk_pop,
- cmk_pop_BHS0,
- cmk_pop_BYTE1,
- cmk_pop_LIMIT,
- cmk_LIMIT
+ cmk_ERROR,
+ cmk_BHS,
+ cmk_BHS0,
+ cmk_BHS1,
+ cmk_BHSD1,
+ cmk_BHS1D1full, // isFullRange
+ cmk_BHS1D1sub, // isSubRange
+
+ // special cases hand-optimized (~50% of all decoded values)
+ cmk_BYTE1, //(1,256) 6%
+ cmk_CHAR3, //(3,128) 7%
+ cmk_UNSIGNED5, //(5,64) 13%
+ cmk_DELTA5, //(5,64,1,1) 5%
+ cmk_BCI5, //(5,4) 18%
+ cmk_BRANCH5, //(5,4,2) 4%
+ // cmk_UNSIGNED5H16, //(5,16) 5%
+ // cmk_UNSIGNED2H4, //(2,4) 6%
+ // cmk_DELTA4H8, //(4,8,1,1) 10%
+ // cmk_DELTA3H16, //(3,16,1,1) 9%
+ cmk_BHS_LIMIT,
+ cmk_pop,
+ cmk_pop_BHS0,
+ cmk_pop_BYTE1,
+ cmk_pop_LIMIT,
+ cmk_LIMIT
};
enum
{
- BYTE1_spec = CODING_SPEC(1, 256, 0, 0),
- CHAR3_spec = CODING_SPEC(3, 128, 0, 0),
- UNSIGNED4_spec = CODING_SPEC(4, 256, 0, 0),
- UNSIGNED5_spec = CODING_SPEC(5, 64, 0, 0),
- SIGNED5_spec = CODING_SPEC(5, 64, 1, 0),
- DELTA5_spec = CODING_SPEC(5, 64, 1, 1),
- UDELTA5_spec = CODING_SPEC(5, 64, 0, 1),
- MDELTA5_spec = CODING_SPEC(5, 64, 2, 1),
- BCI5_spec = CODING_SPEC(5, 4, 0, 0),
- BRANCH5_spec = CODING_SPEC(5, 4, 2, 0)
+ BYTE1_spec = CODING_SPEC(1, 256, 0, 0),
+ CHAR3_spec = CODING_SPEC(3, 128, 0, 0),
+ UNSIGNED4_spec = CODING_SPEC(4, 256, 0, 0),
+ UNSIGNED5_spec = CODING_SPEC(5, 64, 0, 0),
+ SIGNED5_spec = CODING_SPEC(5, 64, 1, 0),
+ DELTA5_spec = CODING_SPEC(5, 64, 1, 1),
+ UDELTA5_spec = CODING_SPEC(5, 64, 0, 1),
+ MDELTA5_spec = CODING_SPEC(5, 64, 2, 1),
+ BCI5_spec = CODING_SPEC(5, 4, 0, 0),
+ BRANCH5_spec = CODING_SPEC(5, 4, 2, 0)
};
enum
{
- B_MAX = 5,
- C_SLOP = B_MAX * 10
+ B_MAX = 5,
+ C_SLOP = B_MAX * 10
};
struct coding_method;
@@ -172,76 +172,76 @@ struct coding_method;
// iterator under the control of a meta-coding
struct value_stream
{
- // current coding of values or values
- coding c; // B,H,S,D,etc.
- coding_method_kind cmk; // type of decoding needed
- byte *rp; // read pointer
- byte *rplimit; // final value of read pointer
- int sum; // partial sum of all values so far (D=1 only)
- coding_method *cm; // coding method that defines this stream
-
- void init(byte *band_rp, byte *band_limit, coding *defc);
- void init(byte *band_rp, byte *band_limit, int spec)
- {
- init(band_rp, band_limit, coding::findBySpec(spec));
- }
-
- void setCoding(coding *c);
- void setCoding(int spec)
- {
- setCoding(coding::findBySpec(spec));
- }
-
- // Parse and decode a single value.
- int getInt();
-
- // Parse and decode a single byte, with no error checks.
- int getByte()
- {
- assert(cmk == cmk_BYTE1);
- assert(rp < rplimit);
- return *rp++ & 0xFF;
- }
-
- // Used only for asserts.
- bool hasValue();
-
- void done()
- {
- assert(!hasValue());
- }
-
- // Sometimes a value stream has an auxiliary (but there are never two).
- value_stream *helper()
- {
- assert(hasHelper());
- return this + 1;
- }
- bool hasHelper();
+ // current coding of values or values
+ coding c; // B,H,S,D,etc.
+ coding_method_kind cmk; // type of decoding needed
+ byte *rp; // read pointer
+ byte *rplimit; // final value of read pointer
+ int sum; // partial sum of all values so far (D=1 only)
+ coding_method *cm; // coding method that defines this stream
+
+ void init(byte *band_rp, byte *band_limit, coding *defc);
+ void init(byte *band_rp, byte *band_limit, int spec)
+ {
+ init(band_rp, band_limit, coding::findBySpec(spec));
+ }
+
+ void setCoding(coding *c);
+ void setCoding(int spec)
+ {
+ setCoding(coding::findBySpec(spec));
+ }
+
+ // Parse and decode a single value.
+ int getInt();
+
+ // Parse and decode a single byte, with no error checks.
+ int getByte()
+ {
+ assert(cmk == cmk_BYTE1);
+ assert(rp < rplimit);
+ return *rp++ & 0xFF;
+ }
+
+ // Used only for asserts.
+ bool hasValue();
+
+ void done()
+ {
+ assert(!hasValue());
+ }
+
+ // Sometimes a value stream has an auxiliary (but there are never two).
+ value_stream *helper()
+ {
+ assert(hasHelper());
+ return this + 1;
+ }
+ bool hasHelper();
};
struct coding_method
{
- value_stream vs0; // initial state snapshot (vs.meta==this)
+ value_stream vs0; // initial state snapshot (vs.meta==this)
- coding_method *next; // what to do when we run out of bytes
+ coding_method *next; // what to do when we run out of bytes
- // these fields are used for pop codes only:
- int *fValues; // favored value array
- int fVlength; // maximum favored value token
- coding_method *uValues; // unfavored value stream
+ // these fields are used for pop codes only:
+ int *fValues; // favored value array
+ int fVlength; // maximum favored value token
+ coding_method *uValues; // unfavored value stream
- // pointer to outer unpacker, for error checks etc.
- unpacker *u;
+ // pointer to outer unpacker, for error checks etc.
+ unpacker *u;
- // Initialize a value stream.
- void reset(value_stream *state);
+ // Initialize a value stream.
+ void reset(value_stream *state);
- // Parse a band header, size a band, and initialize for further action.
- // band_rp advances (but not past band_limit), and meta_rp advances.
- // The mode gives context, such as "inside a pop".
- // The defc and N are the incoming parameters to a meta-coding.
- // The value sink is used to collect output values, when desired.
- void init(byte *&band_rp, byte *band_limit, byte *&meta_rp, int mode, coding *defc, int N,
- intlist *valueSink);
+ // Parse a band header, size a band, and initialize for further action.
+ // band_rp advances (but not past band_limit), and meta_rp advances.
+ // The mode gives context, such as "inside a pop".
+ // The defc and N are the incoming parameters to a meta-coding.
+ // The value sink is used to collect output values, when desired.
+ void init(byte *&band_rp, byte *band_limit, byte *&meta_rp, int mode, coding *defc, int N,
+ intlist *valueSink);
};
diff --git a/libraries/pack200/src/constants.h b/libraries/pack200/src/constants.h
index 2cc14b7d..f1baf42a 100644
--- a/libraries/pack200/src/constants.h
+++ b/libraries/pack200/src/constants.h
@@ -55,388 +55,388 @@
enum
{
- CONSTANT_None,
- CONSTANT_Utf8,
- CONSTANT_unused2, /* unused, was Unicode */
- CONSTANT_Integer,
- CONSTANT_Float,
- CONSTANT_Long,
- CONSTANT_Double,
- CONSTANT_Class,
- CONSTANT_String,
- CONSTANT_Fieldref,
- CONSTANT_Methodref,
- CONSTANT_InterfaceMethodref,
- CONSTANT_NameandType,
- CONSTANT_Signature = 13,
- CONSTANT_All = 14,
- CONSTANT_Limit = 15,
- CONSTANT_NONE = 0,
- CONSTANT_Literal = 20, // pseudo-tag for debugging
- CONSTANT_Member = 21, // pseudo-tag for debugging
- SUBINDEX_BIT = 64, // combined with CONSTANT_xxx for ixTag
- ACC_STATIC = 0x0008,
- ACC_IC_LONG_FORM = (1 << 16), // for ic_flags
- CLASS_ATTR_SourceFile = 17,
- CLASS_ATTR_EnclosingMethod = 18,
- CLASS_ATTR_InnerClasses = 23,
- CLASS_ATTR_ClassFile_version = 24,
- FIELD_ATTR_ConstantValue = 17,
- METHOD_ATTR_Code = 17,
- METHOD_ATTR_Exceptions = 18,
- METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23,
- METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24,
- METHOD_ATTR_AnnotationDefault = 25,
- CODE_ATTR_StackMapTable = 0,
- CODE_ATTR_LineNumberTable = 1,
- CODE_ATTR_LocalVariableTable = 2,
- CODE_ATTR_LocalVariableTypeTable = 3,
- // X_ATTR_Synthetic = 12, // ACC_SYNTHETIC; not predefined
- X_ATTR_Signature = 19,
- X_ATTR_Deprecated = 20,
- X_ATTR_RuntimeVisibleAnnotations = 21,
- X_ATTR_RuntimeInvisibleAnnotations = 22,
- X_ATTR_OVERFLOW = 16,
- X_ATTR_LIMIT_NO_FLAGS_HI = 32,
- X_ATTR_LIMIT_FLAGS_HI = 63,
+ CONSTANT_None,
+ CONSTANT_Utf8,
+ CONSTANT_unused2, /* unused, was Unicode */
+ CONSTANT_Integer,
+ CONSTANT_Float,
+ CONSTANT_Long,
+ CONSTANT_Double,
+ CONSTANT_Class,
+ CONSTANT_String,
+ CONSTANT_Fieldref,
+ CONSTANT_Methodref,
+ CONSTANT_InterfaceMethodref,
+ CONSTANT_NameandType,
+ CONSTANT_Signature = 13,
+ CONSTANT_All = 14,
+ CONSTANT_Limit = 15,
+ CONSTANT_NONE = 0,
+ CONSTANT_Literal = 20, // pseudo-tag for debugging
+ CONSTANT_Member = 21, // pseudo-tag for debugging
+ SUBINDEX_BIT = 64, // combined with CONSTANT_xxx for ixTag
+ ACC_STATIC = 0x0008,
+ ACC_IC_LONG_FORM = (1 << 16), // for ic_flags
+ CLASS_ATTR_SourceFile = 17,
+ CLASS_ATTR_EnclosingMethod = 18,
+ CLASS_ATTR_InnerClasses = 23,
+ CLASS_ATTR_ClassFile_version = 24,
+ FIELD_ATTR_ConstantValue = 17,
+ METHOD_ATTR_Code = 17,
+ METHOD_ATTR_Exceptions = 18,
+ METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23,
+ METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24,
+ METHOD_ATTR_AnnotationDefault = 25,
+ CODE_ATTR_StackMapTable = 0,
+ CODE_ATTR_LineNumberTable = 1,
+ CODE_ATTR_LocalVariableTable = 2,
+ CODE_ATTR_LocalVariableTypeTable = 3,
+ // X_ATTR_Synthetic = 12, // ACC_SYNTHETIC; not predefined
+ X_ATTR_Signature = 19,
+ X_ATTR_Deprecated = 20,
+ X_ATTR_RuntimeVisibleAnnotations = 21,
+ X_ATTR_RuntimeInvisibleAnnotations = 22,
+ X_ATTR_OVERFLOW = 16,
+ X_ATTR_LIMIT_NO_FLAGS_HI = 32,
+ X_ATTR_LIMIT_FLAGS_HI = 63,
#define O_ATTR_DO(F) \
- F(X_ATTR_OVERFLOW, 01) \
- /*(end)*/
+ F(X_ATTR_OVERFLOW, 01) \
+ /*(end)*/
#define X_ATTR_DO(F) \
- O_ATTR_DO(F) F(X_ATTR_Signature, Signature) F(X_ATTR_Deprecated, Deprecated) \
- F(X_ATTR_RuntimeVisibleAnnotations, RuntimeVisibleAnnotations) \
- F(X_ATTR_RuntimeInvisibleAnnotations, RuntimeInvisibleAnnotations) \
- /*F(X_ATTR_Synthetic,Synthetic)*/ \
- /*(end)*/
+ O_ATTR_DO(F) F(X_ATTR_Signature, Signature) F(X_ATTR_Deprecated, Deprecated) \
+ F(X_ATTR_RuntimeVisibleAnnotations, RuntimeVisibleAnnotations) \
+ F(X_ATTR_RuntimeInvisibleAnnotations, RuntimeInvisibleAnnotations) \
+ /*F(X_ATTR_Synthetic,Synthetic)*/ \
+ /*(end)*/
#define CLASS_ATTR_DO(F) \
- F(CLASS_ATTR_SourceFile, SourceFile) F(CLASS_ATTR_InnerClasses, InnerClasses) \
- F(CLASS_ATTR_EnclosingMethod, EnclosingMethod) F(CLASS_ATTR_ClassFile_version, 02) \
- /*(end)*/
+ F(CLASS_ATTR_SourceFile, SourceFile) F(CLASS_ATTR_InnerClasses, InnerClasses) \
+ F(CLASS_ATTR_EnclosingMethod, EnclosingMethod) F(CLASS_ATTR_ClassFile_version, 02) \
+ /*(end)*/
#define FIELD_ATTR_DO(F) \
- F(FIELD_ATTR_ConstantValue, ConstantValue) \
- /*(end)*/
+ F(FIELD_ATTR_ConstantValue, ConstantValue) \
+ /*(end)*/
#define METHOD_ATTR_DO(F) \
- F(METHOD_ATTR_Code, Code) F(METHOD_ATTR_Exceptions, Exceptions) \
- F(METHOD_ATTR_RuntimeVisibleParameterAnnotations, RuntimeVisibleParameterAnnotations) \
- F(METHOD_ATTR_RuntimeInvisibleParameterAnnotations, \
- RuntimeInvisibleParameterAnnotations) \
- F(METHOD_ATTR_AnnotationDefault, AnnotationDefault) \
- /*(end)*/
+ F(METHOD_ATTR_Code, Code) F(METHOD_ATTR_Exceptions, Exceptions) \
+ F(METHOD_ATTR_RuntimeVisibleParameterAnnotations, RuntimeVisibleParameterAnnotations) \
+ F(METHOD_ATTR_RuntimeInvisibleParameterAnnotations, \
+ RuntimeInvisibleParameterAnnotations) \
+ F(METHOD_ATTR_AnnotationDefault, AnnotationDefault) \
+ /*(end)*/
#define CODE_ATTR_DO(F) \
- F(CODE_ATTR_StackMapTable, StackMapTable) F(CODE_ATTR_LineNumberTable, LineNumberTable) \
- F(CODE_ATTR_LocalVariableTable, LocalVariableTable) \
- F(CODE_ATTR_LocalVariableTypeTable, LocalVariableTypeTable) \
- /*(end)*/
+ F(CODE_ATTR_StackMapTable, StackMapTable) F(CODE_ATTR_LineNumberTable, LineNumberTable) \
+ F(CODE_ATTR_LocalVariableTable, LocalVariableTable) \
+ F(CODE_ATTR_LocalVariableTypeTable, LocalVariableTypeTable) \
+ /*(end)*/
#define ALL_ATTR_DO(F) \
- X_ATTR_DO(F) CLASS_ATTR_DO(F) FIELD_ATTR_DO(F) METHOD_ATTR_DO(F) CODE_ATTR_DO(F) \
- /*(end)*/
+ X_ATTR_DO(F) CLASS_ATTR_DO(F) FIELD_ATTR_DO(F) METHOD_ATTR_DO(F) CODE_ATTR_DO(F) \
+ /*(end)*/
- // attribute "context types"
- ATTR_CONTEXT_CLASS = 0,
- ATTR_CONTEXT_FIELD = 1,
- ATTR_CONTEXT_METHOD = 2,
- ATTR_CONTEXT_CODE = 3,
- ATTR_CONTEXT_LIMIT = 4,
+ // attribute "context types"
+ ATTR_CONTEXT_CLASS = 0,
+ ATTR_CONTEXT_FIELD = 1,
+ ATTR_CONTEXT_METHOD = 2,
+ ATTR_CONTEXT_CODE = 3,
+ ATTR_CONTEXT_LIMIT = 4,
- // constants for parsed layouts (stored in band::le_kind)
- EK_NONE = 0, // not a layout element
- EK_INT = 'I', // B H I SH etc., also FH etc.
- EK_BCI = 'P', // PH etc.
- EK_BCID = 'Q', // POH etc.
- EK_BCO = 'O', // OH etc.
- EK_REPL = 'N', // NH[...] etc.
- EK_REF = 'R', // RUH, RUNH, KQH, etc.
- EK_UN = 'T', // TB(...)[...] etc.
- EK_CASE = 'K', // (...)[...] etc.
- EK_CALL = '(', // (0), (1), etc.
- EK_CBLE = '[', // [...][...] etc.
- NO_BAND_INDEX = -1,
+ // constants for parsed layouts (stored in band::le_kind)
+ EK_NONE = 0, // not a layout element
+ EK_INT = 'I', // B H I SH etc., also FH etc.
+ EK_BCI = 'P', // PH etc.
+ EK_BCID = 'Q', // POH etc.
+ EK_BCO = 'O', // OH etc.
+ EK_REPL = 'N', // NH[...] etc.
+ EK_REF = 'R', // RUH, RUNH, KQH, etc.
+ EK_UN = 'T', // TB(...)[...] etc.
+ EK_CASE = 'K', // (...)[...] etc.
+ EK_CALL = '(', // (0), (1), etc.
+ EK_CBLE = '[', // [...][...] etc.
+ NO_BAND_INDEX = -1,
- // File option bits, from LSB in ascending bit position.
- FO_DEFLATE_HINT = 1 << 0,
- FO_IS_CLASS_STUB = 1 << 1,
+ // File option bits, from LSB in ascending bit position.
+ FO_DEFLATE_HINT = 1 << 0,
+ FO_IS_CLASS_STUB = 1 << 1,
- // Archive option bits, from LSB in ascending bit position:
- AO_HAVE_SPECIAL_FORMATS = 1 << 0,
- AO_HAVE_CP_NUMBERS = 1 << 1,
- AO_HAVE_ALL_CODE_FLAGS = 1 << 2,
- AO_3_UNUSED_MBZ = 1 << 3,
- AO_HAVE_FILE_HEADERS = 1 << 4,
- AO_DEFLATE_HINT = 1 << 5,
- AO_HAVE_FILE_MODTIME = 1 << 6,
- AO_HAVE_FILE_OPTIONS = 1 << 7,
- AO_HAVE_FILE_SIZE_HI = 1 << 8,
- AO_HAVE_CLASS_FLAGS_HI = 1 << 9,
- AO_HAVE_FIELD_FLAGS_HI = 1 << 10,
- AO_HAVE_METHOD_FLAGS_HI = 1 << 11,
- AO_HAVE_CODE_FLAGS_HI = 1 << 12,
+ // Archive option bits, from LSB in ascending bit position:
+ AO_HAVE_SPECIAL_FORMATS = 1 << 0,
+ AO_HAVE_CP_NUMBERS = 1 << 1,
+ AO_HAVE_ALL_CODE_FLAGS = 1 << 2,
+ AO_3_UNUSED_MBZ = 1 << 3,
+ AO_HAVE_FILE_HEADERS = 1 << 4,
+ AO_DEFLATE_HINT = 1 << 5,
+ AO_HAVE_FILE_MODTIME = 1 << 6,
+ AO_HAVE_FILE_OPTIONS = 1 << 7,
+ AO_HAVE_FILE_SIZE_HI = 1 << 8,
+ AO_HAVE_CLASS_FLAGS_HI = 1 << 9,
+ AO_HAVE_FIELD_FLAGS_HI = 1 << 10,
+ AO_HAVE_METHOD_FLAGS_HI = 1 << 11,
+ AO_HAVE_CODE_FLAGS_HI = 1 << 12,
#define ARCHIVE_BIT_DO(F) \
- F(AO_HAVE_SPECIAL_FORMATS) F(AO_HAVE_CP_NUMBERS) F(AO_HAVE_ALL_CODE_FLAGS) \
- /*F(AO_3_UNUSED_MBZ)*/ \
- F(AO_HAVE_FILE_HEADERS) F(AO_DEFLATE_HINT) F(AO_HAVE_FILE_MODTIME) \
- F(AO_HAVE_FILE_OPTIONS) F(AO_HAVE_FILE_SIZE_HI) F(AO_HAVE_CLASS_FLAGS_HI) \
- F(AO_HAVE_FIELD_FLAGS_HI) F(AO_HAVE_METHOD_FLAGS_HI) F(AO_HAVE_CODE_FLAGS_HI) \
- /*(end)*/
+ F(AO_HAVE_SPECIAL_FORMATS) F(AO_HAVE_CP_NUMBERS) F(AO_HAVE_ALL_CODE_FLAGS) \
+ /*F(AO_3_UNUSED_MBZ)*/ \
+ F(AO_HAVE_FILE_HEADERS) F(AO_DEFLATE_HINT) F(AO_HAVE_FILE_MODTIME) \
+ F(AO_HAVE_FILE_OPTIONS) F(AO_HAVE_FILE_SIZE_HI) F(AO_HAVE_CLASS_FLAGS_HI) \
+ F(AO_HAVE_FIELD_FLAGS_HI) F(AO_HAVE_METHOD_FLAGS_HI) F(AO_HAVE_CODE_FLAGS_HI) \
+ /*(end)*/
- // Constants for decoding attribute definition header bytes.
- ADH_CONTEXT_MASK = 0x3, // (hdr & ADH_CONTEXT_MASK)
- ADH_BIT_SHIFT = 0x2, // (hdr >> ADH_BIT_SHIFT)
- ADH_BIT_IS_LSB = 1, // (hdr >> ADH_BIT_SHIFT) - ADH_BIT_IS_LSB
+ // Constants for decoding attribute definition header bytes.
+ ADH_CONTEXT_MASK = 0x3, // (hdr & ADH_CONTEXT_MASK)
+ ADH_BIT_SHIFT = 0x2, // (hdr >> ADH_BIT_SHIFT)
+ ADH_BIT_IS_LSB = 1, // (hdr >> ADH_BIT_SHIFT) - ADH_BIT_IS_LSB
#define ADH_BYTE(context, index) ((((index) + ADH_BIT_IS_LSB) << ADH_BIT_SHIFT) + (context))
#define ADH_BYTE_CONTEXT(adhb) ((adhb) & ADH_CONTEXT_MASK)
#define ADH_BYTE_INDEX(adhb) (((adhb) >> ADH_BIT_SHIFT) - ADH_BIT_IS_LSB)
- NO_MODTIME = 0, // nullptr modtime value
+ NO_MODTIME = 0, // nullptr modtime value
- // meta-coding
- _meta_default = 0,
- _meta_canon_min = 1,
- _meta_canon_max = 115,
- _meta_arb = 116,
- _meta_run = 117,
- _meta_pop = 141,
- _meta_limit = 189,
- _meta_error = 255,
- _xxx_1_end
+ // meta-coding
+ _meta_default = 0,
+ _meta_canon_min = 1,
+ _meta_canon_max = 115,
+ _meta_arb = 116,
+ _meta_run = 117,
+ _meta_pop = 141,
+ _meta_limit = 189,
+ _meta_error = 255,
+ _xxx_1_end
};
// Bytecodes.
enum
{
- bc_nop = 0, // 0x00
- bc_aconst_null = 1, // 0x01
- bc_iconst_m1 = 2, // 0x02
- bc_iconst_0 = 3, // 0x03
- bc_iconst_1 = 4, // 0x04
- bc_iconst_2 = 5, // 0x05
- bc_iconst_3 = 6, // 0x06
- bc_iconst_4 = 7, // 0x07
- bc_iconst_5 = 8, // 0x08
- bc_lconst_0 = 9, // 0x09
- bc_lconst_1 = 10, // 0x0a
- bc_fconst_0 = 11, // 0x0b
- bc_fconst_1 = 12, // 0x0c
- bc_fconst_2 = 13, // 0x0d
- bc_dconst_0 = 14, // 0x0e
- bc_dconst_1 = 15, // 0x0f
- bc_bipush = 16, // 0x10
- bc_sipush = 17, // 0x11
- bc_ldc = 18, // 0x12
- bc_ldc_w = 19, // 0x13
- bc_ldc2_w = 20, // 0x14
- bc_iload = 21, // 0x15
- bc_lload = 22, // 0x16
- bc_fload = 23, // 0x17
- bc_dload = 24, // 0x18
- bc_aload = 25, // 0x19
- bc_iload_0 = 26, // 0x1a
- bc_iload_1 = 27, // 0x1b
- bc_iload_2 = 28, // 0x1c
- bc_iload_3 = 29, // 0x1d
- bc_lload_0 = 30, // 0x1e
- bc_lload_1 = 31, // 0x1f
- bc_lload_2 = 32, // 0x20
- bc_lload_3 = 33, // 0x21
- bc_fload_0 = 34, // 0x22
- bc_fload_1 = 35, // 0x23
- bc_fload_2 = 36, // 0x24
- bc_fload_3 = 37, // 0x25
- bc_dload_0 = 38, // 0x26
- bc_dload_1 = 39, // 0x27
- bc_dload_2 = 40, // 0x28
- bc_dload_3 = 41, // 0x29
- bc_aload_0 = 42, // 0x2a
- bc_aload_1 = 43, // 0x2b
- bc_aload_2 = 44, // 0x2c
- bc_aload_3 = 45, // 0x2d
- bc_iaload = 46, // 0x2e
- bc_laload = 47, // 0x2f
- bc_faload = 48, // 0x30
- bc_daload = 49, // 0x31
- bc_aaload = 50, // 0x32
- bc_baload = 51, // 0x33
- bc_caload = 52, // 0x34
- bc_saload = 53, // 0x35
- bc_istore = 54, // 0x36
- bc_lstore = 55, // 0x37
- bc_fstore = 56, // 0x38
- bc_dstore = 57, // 0x39
- bc_astore = 58, // 0x3a
- bc_istore_0 = 59, // 0x3b
- bc_istore_1 = 60, // 0x3c
- bc_istore_2 = 61, // 0x3d
- bc_istore_3 = 62, // 0x3e
- bc_lstore_0 = 63, // 0x3f
- bc_lstore_1 = 64, // 0x40
- bc_lstore_2 = 65, // 0x41
- bc_lstore_3 = 66, // 0x42
- bc_fstore_0 = 67, // 0x43
- bc_fstore_1 = 68, // 0x44
- bc_fstore_2 = 69, // 0x45
- bc_fstore_3 = 70, // 0x46
- bc_dstore_0 = 71, // 0x47
- bc_dstore_1 = 72, // 0x48
- bc_dstore_2 = 73, // 0x49
- bc_dstore_3 = 74, // 0x4a
- bc_astore_0 = 75, // 0x4b
- bc_astore_1 = 76, // 0x4c
- bc_astore_2 = 77, // 0x4d
- bc_astore_3 = 78, // 0x4e
- bc_iastore = 79, // 0x4f
- bc_lastore = 80, // 0x50
- bc_fastore = 81, // 0x51
- bc_dastore = 82, // 0x52
- bc_aastore = 83, // 0x53
- bc_bastore = 84, // 0x54
- bc_castore = 85, // 0x55
- bc_sastore = 86, // 0x56
- bc_pop = 87, // 0x57
- bc_pop2 = 88, // 0x58
- bc_dup = 89, // 0x59
- bc_dup_x1 = 90, // 0x5a
- bc_dup_x2 = 91, // 0x5b
- bc_dup2 = 92, // 0x5c
- bc_dup2_x1 = 93, // 0x5d
- bc_dup2_x2 = 94, // 0x5e
- bc_swap = 95, // 0x5f
- bc_iadd = 96, // 0x60
- bc_ladd = 97, // 0x61
- bc_fadd = 98, // 0x62
- bc_dadd = 99, // 0x63
- bc_isub = 100, // 0x64
- bc_lsub = 101, // 0x65
- bc_fsub = 102, // 0x66
- bc_dsub = 103, // 0x67
- bc_imul = 104, // 0x68
- bc_lmul = 105, // 0x69
- bc_fmul = 106, // 0x6a
- bc_dmul = 107, // 0x6b
- bc_idiv = 108, // 0x6c
- bc_ldiv = 109, // 0x6d
- bc_fdiv = 110, // 0x6e
- bc_ddiv = 111, // 0x6f
- bc_irem = 112, // 0x70
- bc_lrem = 113, // 0x71
- bc_frem = 114, // 0x72
- bc_drem = 115, // 0x73
- bc_ineg = 116, // 0x74
- bc_lneg = 117, // 0x75
- bc_fneg = 118, // 0x76
- bc_dneg = 119, // 0x77
- bc_ishl = 120, // 0x78
- bc_lshl = 121, // 0x79
- bc_ishr = 122, // 0x7a
- bc_lshr = 123, // 0x7b
- bc_iushr = 124, // 0x7c
- bc_lushr = 125, // 0x7d
- bc_iand = 126, // 0x7e
- bc_land = 127, // 0x7f
- bc_ior = 128, // 0x80
- bc_lor = 129, // 0x81
- bc_ixor = 130, // 0x82
- bc_lxor = 131, // 0x83
- bc_iinc = 132, // 0x84
- bc_i2l = 133, // 0x85
- bc_i2f = 134, // 0x86
- bc_i2d = 135, // 0x87
- bc_l2i = 136, // 0x88
- bc_l2f = 137, // 0x89
- bc_l2d = 138, // 0x8a
- bc_f2i = 139, // 0x8b
- bc_f2l = 140, // 0x8c
- bc_f2d = 141, // 0x8d
- bc_d2i = 142, // 0x8e
- bc_d2l = 143, // 0x8f
- bc_d2f = 144, // 0x90
- bc_i2b = 145, // 0x91
- bc_i2c = 146, // 0x92
- bc_i2s = 147, // 0x93
- bc_lcmp = 148, // 0x94
- bc_fcmpl = 149, // 0x95
- bc_fcmpg = 150, // 0x96
- bc_dcmpl = 151, // 0x97
- bc_dcmpg = 152, // 0x98
- bc_ifeq = 153, // 0x99
- bc_ifne = 154, // 0x9a
- bc_iflt = 155, // 0x9b
- bc_ifge = 156, // 0x9c
- bc_ifgt = 157, // 0x9d
- bc_ifle = 158, // 0x9e
- bc_if_icmpeq = 159, // 0x9f
- bc_if_icmpne = 160, // 0xa0
- bc_if_icmplt = 161, // 0xa1
- bc_if_icmpge = 162, // 0xa2
- bc_if_icmpgt = 163, // 0xa3
- bc_if_icmple = 164, // 0xa4
- bc_if_acmpeq = 165, // 0xa5
- bc_if_acmpne = 166, // 0xa6
- bc_goto = 167, // 0xa7
- bc_jsr = 168, // 0xa8
- bc_ret = 169, // 0xa9
- bc_tableswitch = 170, // 0xaa
- bc_lookupswitch = 171, // 0xab
- bc_ireturn = 172, // 0xac
- bc_lreturn = 173, // 0xad
- bc_freturn = 174, // 0xae
- bc_dreturn = 175, // 0xaf
- bc_areturn = 176, // 0xb0
- bc_return = 177, // 0xb1
- bc_getstatic = 178, // 0xb2
- bc_putstatic = 179, // 0xb3
- bc_getfield = 180, // 0xb4
- bc_putfield = 181, // 0xb5
- bc_invokevirtual = 182, // 0xb6
- bc_invokespecial = 183, // 0xb7
- bc_invokestatic = 184, // 0xb8
- bc_invokeinterface = 185, // 0xb9
- bc_xxxunusedxxx = 186, // 0xba
- bc_new = 187, // 0xbb
- bc_newarray = 188, // 0xbc
- bc_anewarray = 189, // 0xbd
- bc_arraylength = 190, // 0xbe
- bc_athrow = 191, // 0xbf
- bc_checkcast = 192, // 0xc0
- bc_instanceof = 193, // 0xc1
- bc_monitorenter = 194, // 0xc2
- bc_monitorexit = 195, // 0xc3
- bc_wide = 196, // 0xc4
- bc_multianewarray = 197, // 0xc5
- bc_ifnull = 198, // 0xc6
- bc_ifnonnull = 199, // 0xc7
- bc_goto_w = 200, // 0xc8
- bc_jsr_w = 201, // 0xc9
- bc_bytecode_limit = 202 // 0xca
+ bc_nop = 0, // 0x00
+ bc_aconst_null = 1, // 0x01
+ bc_iconst_m1 = 2, // 0x02
+ bc_iconst_0 = 3, // 0x03
+ bc_iconst_1 = 4, // 0x04
+ bc_iconst_2 = 5, // 0x05
+ bc_iconst_3 = 6, // 0x06
+ bc_iconst_4 = 7, // 0x07
+ bc_iconst_5 = 8, // 0x08
+ bc_lconst_0 = 9, // 0x09
+ bc_lconst_1 = 10, // 0x0a
+ bc_fconst_0 = 11, // 0x0b
+ bc_fconst_1 = 12, // 0x0c
+ bc_fconst_2 = 13, // 0x0d
+ bc_dconst_0 = 14, // 0x0e
+ bc_dconst_1 = 15, // 0x0f
+ bc_bipush = 16, // 0x10
+ bc_sipush = 17, // 0x11
+ bc_ldc = 18, // 0x12
+ bc_ldc_w = 19, // 0x13
+ bc_ldc2_w = 20, // 0x14
+ bc_iload = 21, // 0x15
+ bc_lload = 22, // 0x16
+ bc_fload = 23, // 0x17
+ bc_dload = 24, // 0x18
+ bc_aload = 25, // 0x19
+ bc_iload_0 = 26, // 0x1a
+ bc_iload_1 = 27, // 0x1b
+ bc_iload_2 = 28, // 0x1c
+ bc_iload_3 = 29, // 0x1d
+ bc_lload_0 = 30, // 0x1e
+ bc_lload_1 = 31, // 0x1f
+ bc_lload_2 = 32, // 0x20
+ bc_lload_3 = 33, // 0x21
+ bc_fload_0 = 34, // 0x22
+ bc_fload_1 = 35, // 0x23
+ bc_fload_2 = 36, // 0x24
+ bc_fload_3 = 37, // 0x25
+ bc_dload_0 = 38, // 0x26
+ bc_dload_1 = 39, // 0x27
+ bc_dload_2 = 40, // 0x28
+ bc_dload_3 = 41, // 0x29
+ bc_aload_0 = 42, // 0x2a
+ bc_aload_1 = 43, // 0x2b
+ bc_aload_2 = 44, // 0x2c
+ bc_aload_3 = 45, // 0x2d
+ bc_iaload = 46, // 0x2e
+ bc_laload = 47, // 0x2f
+ bc_faload = 48, // 0x30
+ bc_daload = 49, // 0x31
+ bc_aaload = 50, // 0x32
+ bc_baload = 51, // 0x33
+ bc_caload = 52, // 0x34
+ bc_saload = 53, // 0x35
+ bc_istore = 54, // 0x36
+ bc_lstore = 55, // 0x37
+ bc_fstore = 56, // 0x38
+ bc_dstore = 57, // 0x39
+ bc_astore = 58, // 0x3a
+ bc_istore_0 = 59, // 0x3b
+ bc_istore_1 = 60, // 0x3c
+ bc_istore_2 = 61, // 0x3d
+ bc_istore_3 = 62, // 0x3e
+ bc_lstore_0 = 63, // 0x3f
+ bc_lstore_1 = 64, // 0x40
+ bc_lstore_2 = 65, // 0x41
+ bc_lstore_3 = 66, // 0x42
+ bc_fstore_0 = 67, // 0x43
+ bc_fstore_1 = 68, // 0x44
+ bc_fstore_2 = 69, // 0x45
+ bc_fstore_3 = 70, // 0x46
+ bc_dstore_0 = 71, // 0x47
+ bc_dstore_1 = 72, // 0x48
+ bc_dstore_2 = 73, // 0x49
+ bc_dstore_3 = 74, // 0x4a
+ bc_astore_0 = 75, // 0x4b
+ bc_astore_1 = 76, // 0x4c
+ bc_astore_2 = 77, // 0x4d
+ bc_astore_3 = 78, // 0x4e
+ bc_iastore = 79, // 0x4f
+ bc_lastore = 80, // 0x50
+ bc_fastore = 81, // 0x51
+ bc_dastore = 82, // 0x52
+ bc_aastore = 83, // 0x53
+ bc_bastore = 84, // 0x54
+ bc_castore = 85, // 0x55
+ bc_sastore = 86, // 0x56
+ bc_pop = 87, // 0x57
+ bc_pop2 = 88, // 0x58
+ bc_dup = 89, // 0x59
+ bc_dup_x1 = 90, // 0x5a
+ bc_dup_x2 = 91, // 0x5b
+ bc_dup2 = 92, // 0x5c
+ bc_dup2_x1 = 93, // 0x5d
+ bc_dup2_x2 = 94, // 0x5e
+ bc_swap = 95, // 0x5f
+ bc_iadd = 96, // 0x60
+ bc_ladd = 97, // 0x61
+ bc_fadd = 98, // 0x62
+ bc_dadd = 99, // 0x63
+ bc_isub = 100, // 0x64
+ bc_lsub = 101, // 0x65
+ bc_fsub = 102, // 0x66
+ bc_dsub = 103, // 0x67
+ bc_imul = 104, // 0x68
+ bc_lmul = 105, // 0x69
+ bc_fmul = 106, // 0x6a
+ bc_dmul = 107, // 0x6b
+ bc_idiv = 108, // 0x6c
+ bc_ldiv = 109, // 0x6d
+ bc_fdiv = 110, // 0x6e
+ bc_ddiv = 111, // 0x6f
+ bc_irem = 112, // 0x70
+ bc_lrem = 113, // 0x71
+ bc_frem = 114, // 0x72
+ bc_drem = 115, // 0x73
+ bc_ineg = 116, // 0x74
+ bc_lneg = 117, // 0x75
+ bc_fneg = 118, // 0x76
+ bc_dneg = 119, // 0x77
+ bc_ishl = 120, // 0x78
+ bc_lshl = 121, // 0x79
+ bc_ishr = 122, // 0x7a
+ bc_lshr = 123, // 0x7b
+ bc_iushr = 124, // 0x7c
+ bc_lushr = 125, // 0x7d
+ bc_iand = 126, // 0x7e
+ bc_land = 127, // 0x7f
+ bc_ior = 128, // 0x80
+ bc_lor = 129, // 0x81
+ bc_ixor = 130, // 0x82
+ bc_lxor = 131, // 0x83
+ bc_iinc = 132, // 0x84
+ bc_i2l = 133, // 0x85
+ bc_i2f = 134, // 0x86
+ bc_i2d = 135, // 0x87
+ bc_l2i = 136, // 0x88
+ bc_l2f = 137, // 0x89
+ bc_l2d = 138, // 0x8a
+ bc_f2i = 139, // 0x8b
+ bc_f2l = 140, // 0x8c
+ bc_f2d = 141, // 0x8d
+ bc_d2i = 142, // 0x8e
+ bc_d2l = 143, // 0x8f
+ bc_d2f = 144, // 0x90
+ bc_i2b = 145, // 0x91
+ bc_i2c = 146, // 0x92
+ bc_i2s = 147, // 0x93
+ bc_lcmp = 148, // 0x94
+ bc_fcmpl = 149, // 0x95
+ bc_fcmpg = 150, // 0x96
+ bc_dcmpl = 151, // 0x97
+ bc_dcmpg = 152, // 0x98
+ bc_ifeq = 153, // 0x99
+ bc_ifne = 154, // 0x9a
+ bc_iflt = 155, // 0x9b
+ bc_ifge = 156, // 0x9c
+ bc_ifgt = 157, // 0x9d
+ bc_ifle = 158, // 0x9e
+ bc_if_icmpeq = 159, // 0x9f
+ bc_if_icmpne = 160, // 0xa0
+ bc_if_icmplt = 161, // 0xa1
+ bc_if_icmpge = 162, // 0xa2
+ bc_if_icmpgt = 163, // 0xa3
+ bc_if_icmple = 164, // 0xa4
+ bc_if_acmpeq = 165, // 0xa5
+ bc_if_acmpne = 166, // 0xa6
+ bc_goto = 167, // 0xa7
+ bc_jsr = 168, // 0xa8
+ bc_ret = 169, // 0xa9
+ bc_tableswitch = 170, // 0xaa
+ bc_lookupswitch = 171, // 0xab
+ bc_ireturn = 172, // 0xac
+ bc_lreturn = 173, // 0xad
+ bc_freturn = 174, // 0xae
+ bc_dreturn = 175, // 0xaf
+ bc_areturn = 176, // 0xb0
+ bc_return = 177, // 0xb1
+ bc_getstatic = 178, // 0xb2
+ bc_putstatic = 179, // 0xb3
+ bc_getfield = 180, // 0xb4
+ bc_putfield = 181, // 0xb5
+ bc_invokevirtual = 182, // 0xb6
+ bc_invokespecial = 183, // 0xb7
+ bc_invokestatic = 184, // 0xb8
+ bc_invokeinterface = 185, // 0xb9
+ bc_xxxunusedxxx = 186, // 0xba
+ bc_new = 187, // 0xbb
+ bc_newarray = 188, // 0xbc
+ bc_anewarray = 189, // 0xbd
+ bc_arraylength = 190, // 0xbe
+ bc_athrow = 191, // 0xbf
+ bc_checkcast = 192, // 0xc0
+ bc_instanceof = 193, // 0xc1
+ bc_monitorenter = 194, // 0xc2
+ bc_monitorexit = 195, // 0xc3
+ bc_wide = 196, // 0xc4
+ bc_multianewarray = 197, // 0xc5
+ bc_ifnull = 198, // 0xc6
+ bc_ifnonnull = 199, // 0xc7
+ bc_goto_w = 200, // 0xc8
+ bc_jsr_w = 201, // 0xc9
+ bc_bytecode_limit = 202 // 0xca
};
enum
{
- bc_end_marker = 255,
- bc_byte_escape = 254,
- bc_ref_escape = 253,
- _first_linker_op = bc_getstatic,
- _last_linker_op = bc_invokestatic,
- _num_linker_ops = (_last_linker_op - _first_linker_op) + 1,
- _self_linker_op = bc_bytecode_limit,
- _self_linker_aload_flag = 1 * _num_linker_ops,
- _self_linker_super_flag = 2 * _num_linker_ops,
- _self_linker_limit = _self_linker_op + 4 * _num_linker_ops,
- _invokeinit_op = _self_linker_limit,
- _invokeinit_self_option = 0,
- _invokeinit_super_option = 1,
- _invokeinit_new_option = 2,
- _invokeinit_limit = _invokeinit_op + 3,
- _xldc_op = _invokeinit_limit,
- bc_aldc = bc_ldc,
- bc_cldc = _xldc_op + 0,
- bc_ildc = _xldc_op + 1,
- bc_fldc = _xldc_op + 2,
- bc_aldc_w = bc_ldc_w,
- bc_cldc_w = _xldc_op + 3,
- bc_ildc_w = _xldc_op + 4,
- bc_fldc_w = _xldc_op + 5,
- bc_lldc2_w = bc_ldc2_w,
- bc_dldc2_w = _xldc_op + 6,
- _xldc_limit = _xldc_op + 7,
- _xxx_3_end
+ bc_end_marker = 255,
+ bc_byte_escape = 254,
+ bc_ref_escape = 253,
+ _first_linker_op = bc_getstatic,
+ _last_linker_op = bc_invokestatic,
+ _num_linker_ops = (_last_linker_op - _first_linker_op) + 1,
+ _self_linker_op = bc_bytecode_limit,
+ _self_linker_aload_flag = 1 * _num_linker_ops,
+ _self_linker_super_flag = 2 * _num_linker_ops,
+ _self_linker_limit = _self_linker_op + 4 * _num_linker_ops,
+ _invokeinit_op = _self_linker_limit,
+ _invokeinit_self_option = 0,
+ _invokeinit_super_option = 1,
+ _invokeinit_new_option = 2,
+ _invokeinit_limit = _invokeinit_op + 3,
+ _xldc_op = _invokeinit_limit,
+ bc_aldc = bc_ldc,
+ bc_cldc = _xldc_op + 0,
+ bc_ildc = _xldc_op + 1,
+ bc_fldc = _xldc_op + 2,
+ bc_aldc_w = bc_ldc_w,
+ bc_cldc_w = _xldc_op + 3,
+ bc_ildc_w = _xldc_op + 4,
+ bc_fldc_w = _xldc_op + 5,
+ bc_lldc2_w = bc_ldc2_w,
+ bc_dldc2_w = _xldc_op + 6,
+ _xldc_limit = _xldc_op + 7,
+ _xxx_3_end
};
diff --git a/libraries/pack200/src/unpack.cpp b/libraries/pack200/src/unpack.cpp
index 55d253b2..9c4c633c 100644
--- a/libraries/pack200/src/unpack.cpp
+++ b/libraries/pack200/src/unpack.cpp
@@ -34,13 +34,7 @@
* _LP64 can be explicitly set (used on Linux).
* Solaris compilers will define __sparcv9 or __x86_64 on 64bit compilations.
*/
-#if defined(_LP64) || defined(__sparcv9) || defined(__x86_64)
-#define LONG_LONG_FORMAT "%ld"
-#define LONG_LONG_HEX_FORMAT "%lx"
-#else
-#define LONG_LONG_FORMAT "%lld"
-#define LONG_LONG_HEX_FORMAT "%016llx"
-#endif
+#include <cinttypes>
#include <sys/types.h>
@@ -67,248 +61,248 @@
// tags, in canonical order:
static const byte TAGS_IN_ORDER[] = {
- CONSTANT_Utf8, CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long,
- CONSTANT_Double, CONSTANT_String, CONSTANT_Class, CONSTANT_Signature,
- CONSTANT_NameandType, CONSTANT_Fieldref, CONSTANT_Methodref, CONSTANT_InterfaceMethodref};
+ CONSTANT_Utf8, CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long,
+ CONSTANT_Double, CONSTANT_String, CONSTANT_Class, CONSTANT_Signature,
+ CONSTANT_NameandType, CONSTANT_Fieldref, CONSTANT_Methodref, CONSTANT_InterfaceMethodref};
#define N_TAGS_IN_ORDER (sizeof TAGS_IN_ORDER)
// REQUESTED must be -2 for u2 and REQUESTED_LDC must be -1 for u1
enum
{
- NOT_REQUESTED = 0,
- REQUESTED = -2,
- REQUESTED_LDC = -1
+ NOT_REQUESTED = 0,
+ REQUESTED = -2,
+ REQUESTED_LDC = -1
};
#define NO_INORD ((uint32_t) - 1)
struct entry
{
- byte tag;
- unsigned short nrefs; // pack w/ tag
-
- int outputIndex;
- uint32_t inord; // &cp.entries[cp.tag_base[this->tag]+this->inord] == this
-
- entry **refs;
-
- // put last to pack best
- union
- {
- bytes b;
- int i;
- int64_t l;
- } value;
-
- void requestOutputIndex(constant_pool &cp, int req = REQUESTED);
- int getOutputIndex()
- {
- assert(outputIndex > NOT_REQUESTED);
- return outputIndex;
- }
-
- entry *ref(int refnum)
- {
- assert((uint32_t)refnum < nrefs);
- return refs[refnum];
- }
-
- const char *utf8String()
- {
- assert(tagMatches(CONSTANT_Utf8));
- assert(value.b.len == strlen((const char *)value.b.ptr));
- return (const char *)value.b.ptr;
- }
-
- entry *className()
- {
- assert(tagMatches(CONSTANT_Class));
- return ref(0);
- }
-
- entry *memberClass()
- {
- assert(tagMatches(CONSTANT_Member));
- return ref(0);
- }
-
- entry *memberDescr()
- {
- assert(tagMatches(CONSTANT_Member));
- return ref(1);
- }
-
- entry *descrName()
- {
- assert(tagMatches(CONSTANT_NameandType));
- return ref(0);
- }
-
- entry *descrType()
- {
- assert(tagMatches(CONSTANT_NameandType));
- return ref(1);
- }
-
- int typeSize();
-
- bytes &asUtf8();
- int asInteger()
- {
- assert(tag == CONSTANT_Integer);
- return value.i;
- }
-
- bool isUtf8(bytes &b)
- {
- return tagMatches(CONSTANT_Utf8) && value.b.equals(b);
- }
-
- bool isDoubleWord()
- {
- return tag == CONSTANT_Double || tag == CONSTANT_Long;
- }
-
- bool tagMatches(byte tag2)
- {
- return (tag2 == tag) || (tag2 == CONSTANT_Utf8 && tag == CONSTANT_Signature) ||
- (tag2 == CONSTANT_Literal && tag >= CONSTANT_Integer && tag <= CONSTANT_String &&
- tag != CONSTANT_Class) ||
- (tag2 == CONSTANT_Member && tag >= CONSTANT_Fieldref &&
- tag <= CONSTANT_InterfaceMethodref);
- }
+ byte tag;
+ unsigned short nrefs; // pack w/ tag
+
+ int outputIndex;
+ uint32_t inord; // &cp.entries[cp.tag_base[this->tag]+this->inord] == this
+
+ entry **refs;
+
+ // put last to pack best
+ union
+ {
+ bytes b;
+ int i;
+ int64_t l;
+ } value;
+
+ void requestOutputIndex(constant_pool &cp, int req = REQUESTED);
+ int getOutputIndex()
+ {
+ assert(outputIndex > NOT_REQUESTED);
+ return outputIndex;
+ }
+
+ entry *ref(int refnum)
+ {
+ assert((uint32_t)refnum < nrefs);
+ return refs[refnum];
+ }
+
+ const char *utf8String()
+ {
+ assert(tagMatches(CONSTANT_Utf8));
+ assert(value.b.len == strlen((const char *)value.b.ptr));
+ return (const char *)value.b.ptr;
+ }
+
+ entry *className()
+ {
+ assert(tagMatches(CONSTANT_Class));
+ return ref(0);
+ }
+
+ entry *memberClass()
+ {
+ assert(tagMatches(CONSTANT_Member));
+ return ref(0);
+ }
+
+ entry *memberDescr()
+ {
+ assert(tagMatches(CONSTANT_Member));
+ return ref(1);
+ }
+
+ entry *descrName()
+ {
+ assert(tagMatches(CONSTANT_NameandType));
+ return ref(0);
+ }
+
+ entry *descrType()
+ {
+ assert(tagMatches(CONSTANT_NameandType));
+ return ref(1);
+ }
+
+ int typeSize();
+
+ bytes &asUtf8();
+ int asInteger()
+ {
+ assert(tag == CONSTANT_Integer);
+ return value.i;
+ }
+
+ bool isUtf8(bytes &b)
+ {
+ return tagMatches(CONSTANT_Utf8) && value.b.equals(b);
+ }
+
+ bool isDoubleWord()
+ {
+ return tag == CONSTANT_Double || tag == CONSTANT_Long;
+ }
+
+ bool tagMatches(byte tag2)
+ {
+ return (tag2 == tag) || (tag2 == CONSTANT_Utf8 && tag == CONSTANT_Signature) ||
+ (tag2 == CONSTANT_Literal && tag >= CONSTANT_Integer && tag <= CONSTANT_String &&
+ tag != CONSTANT_Class) ||
+ (tag2 == CONSTANT_Member && tag >= CONSTANT_Fieldref &&
+ tag <= CONSTANT_InterfaceMethodref);
+ }
};
entry *cpindex::get(uint32_t i)
{
- if (i >= len)
- return nullptr;
- else if (base1 != nullptr)
- // primary index
- return &base1[i];
- else
- // secondary index
- return base2[i];
+ if (i >= len)
+ return nullptr;
+ else if (base1 != nullptr)
+ // primary index
+ return &base1[i];
+ else
+ // secondary index
+ return base2[i];
}
inline bytes &entry::asUtf8()
{
- assert(tagMatches(CONSTANT_Utf8));
- return value.b;
+ assert(tagMatches(CONSTANT_Utf8));
+ return value.b;
}
int entry::typeSize()
{
- assert(tagMatches(CONSTANT_Utf8));
- const char *sigp = (char *)value.b.ptr;
- switch (*sigp)
- {
- case '(':
- sigp++;
- break; // skip opening '('
- case 'D':
- case 'J':
- return 2; // double field
- default:
- return 1; // field
- }
- int siglen = 0;
- for (;;)
- {
- int ch = *sigp++;
- switch (ch)
- {
- case 'D':
- case 'J':
- siglen += 1;
- break;
- case '[':
- // Skip rest of array info.
- while (ch == '[')
- {
- ch = *sigp++;
- }
- if (ch != 'L')
- break;
- // else fall through
- case 'L':
- sigp = strchr(sigp, ';');
- if (sigp == nullptr)
- {
- unpack_abort("bad data");
- return 0;
- }
- sigp += 1;
- break;
- case ')': // closing ')'
- return siglen;
- }
- siglen += 1;
- }
+ assert(tagMatches(CONSTANT_Utf8));
+ const char *sigp = (char *)value.b.ptr;
+ switch (*sigp)
+ {
+ case '(':
+ sigp++;
+ break; // skip opening '('
+ case 'D':
+ case 'J':
+ return 2; // double field
+ default:
+ return 1; // field
+ }
+ int siglen = 0;
+ for (;;)
+ {
+ int ch = *sigp++;
+ switch (ch)
+ {
+ case 'D':
+ case 'J':
+ siglen += 1;
+ break;
+ case '[':
+ // Skip rest of array info.
+ while (ch == '[')
+ {
+ ch = *sigp++;
+ }
+ if (ch != 'L')
+ break;
+ // else fall through
+ case 'L':
+ sigp = strchr(sigp, ';');
+ if (sigp == nullptr)
+ {
+ unpack_abort("bad data");
+ return 0;
+ }
+ sigp += 1;
+ break;
+ case ')': // closing ')'
+ return siglen;
+ }
+ siglen += 1;
+ }
}
inline cpindex *constant_pool::getFieldIndex(entry *classRef)
{
- assert(classRef->tagMatches(CONSTANT_Class));
- assert((uint32_t)classRef->inord < (uint32_t)tag_count[CONSTANT_Class]);
- return &member_indexes[classRef->inord * 2 + 0];
+ assert(classRef->tagMatches(CONSTANT_Class));
+ assert((uint32_t)classRef->inord < (uint32_t)tag_count[CONSTANT_Class]);
+ return &member_indexes[classRef->inord * 2 + 0];
}
inline cpindex *constant_pool::getMethodIndex(entry *classRef)
{
- assert(classRef->tagMatches(CONSTANT_Class));
- assert((uint32_t)classRef->inord < (uint32_t)tag_count[CONSTANT_Class]);
- return &member_indexes[classRef->inord * 2 + 1];
+ assert(classRef->tagMatches(CONSTANT_Class));
+ assert((uint32_t)classRef->inord < (uint32_t)tag_count[CONSTANT_Class]);
+ return &member_indexes[classRef->inord * 2 + 1];
}
struct inner_class
{
- entry *inner;
- entry *outer;
- entry *name;
- int flags;
- inner_class *next_sibling;
- bool requested;
+ entry *inner;
+ entry *outer;
+ entry *name;
+ int flags;
+ inner_class *next_sibling;
+ bool requested;
};
// Here is where everything gets deallocated:
void unpacker::free()
{
- int i;
- if (jarout != nullptr)
- jarout->reset();
- if (gzin != nullptr)
- {
- gzin->free();
- gzin = nullptr;
- }
- if (free_input)
- input.free();
- /*
- * free everybody ever allocated with U_NEW or (recently) with T_NEW
- */
- assert(smallbuf.base() == nullptr || mallocs.contains(smallbuf.base()));
- assert(tsmallbuf.base() == nullptr || tmallocs.contains(tsmallbuf.base()));
- mallocs.freeAll();
- tmallocs.freeAll();
- smallbuf.init();
- tsmallbuf.init();
- bcimap.free();
- class_fixup_type.free();
- class_fixup_offset.free();
- class_fixup_ref.free();
- code_fixup_type.free();
- code_fixup_offset.free();
- code_fixup_source.free();
- requested_ics.free();
- cur_classfile_head.free();
- cur_classfile_tail.free();
- for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
- attr_defs[i].free();
-
- // free CP state
- cp.outputEntries.free();
- for (i = 0; i < CONSTANT_Limit; i++)
- cp.tag_extras[i].free();
+ int i;
+ if (jarout != nullptr)
+ jarout->reset();
+ if (gzin != nullptr)
+ {
+ gzin->free();
+ gzin = nullptr;
+ }
+ if (free_input)
+ input.free();
+ /*
+ * free everybody ever allocated with U_NEW or (recently) with T_NEW
+ */
+ assert(smallbuf.base() == nullptr || mallocs.contains(smallbuf.base()));
+ assert(tsmallbuf.base() == nullptr || tmallocs.contains(tsmallbuf.base()));
+ mallocs.freeAll();
+ tmallocs.freeAll();
+ smallbuf.init();
+ tsmallbuf.init();
+ bcimap.free();
+ class_fixup_type.free();
+ class_fixup_offset.free();
+ class_fixup_ref.free();
+ code_fixup_type.free();
+ code_fixup_offset.free();
+ code_fixup_source.free();
+ requested_ics.free();
+ cur_classfile_head.free();
+ cur_classfile_tail.free();
+ for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
+ attr_defs[i].free();
+
+ // free CP state
+ cp.outputEntries.free();
+ for (i = 0; i < CONSTANT_Limit; i++)
+ cp.tag_extras[i].free();
}
// input handling
@@ -318,1933 +312,1933 @@ void unpacker::free()
// unless rplimit hits input.limit().
bool unpacker::ensure_input(int64_t more)
{
- uint64_t want = more - input_remaining();
- if ((int64_t)want <= 0)
- return true; // it's already in the buffer
- if (rplimit == input.limit())
- return true; // not expecting any more
-
- if (read_input_fn == nullptr)
- {
- // assume it is already all there
- bytes_read += input.limit() - rplimit;
- rplimit = input.limit();
- return true;
- }
-
- uint64_t remaining = (input.limit() - rplimit); // how much left to read?
- byte *rpgoal = (want >= remaining) ? input.limit() : rplimit + (size_t)want;
- enum
- {
- CHUNK_SIZE = (1 << 14)
- };
- uint64_t fetch = want;
- if (fetch < CHUNK_SIZE)
- fetch = CHUNK_SIZE;
- if (fetch > remaining * 3 / 4)
- fetch = remaining;
- // Try to fetch at least "more" bytes.
- while ((int64_t)fetch > 0)
- {
- int64_t nr = (*read_input_fn)(this, rplimit, fetch, remaining);
- if (nr <= 0)
- {
- return (rplimit >= rpgoal);
- }
- remaining -= nr;
- rplimit += nr;
- fetch -= nr;
- bytes_read += nr;
- assert(remaining == (uint64_t)(input.limit() - rplimit));
- }
- return true;
+ uint64_t want = more - input_remaining();
+ if ((int64_t)want <= 0)
+ return true; // it's already in the buffer
+ if (rplimit == input.limit())
+ return true; // not expecting any more
+
+ if (read_input_fn == nullptr)
+ {
+ // assume it is already all there
+ bytes_read += input.limit() - rplimit;
+ rplimit = input.limit();
+ return true;
+ }
+
+ uint64_t remaining = (input.limit() - rplimit); // how much left to read?
+ byte *rpgoal = (want >= remaining) ? input.limit() : rplimit + (size_t)want;
+ enum
+ {
+ CHUNK_SIZE = (1 << 14)
+ };
+ uint64_t fetch = want;
+ if (fetch < CHUNK_SIZE)
+ fetch = CHUNK_SIZE;
+ if (fetch > remaining * 3 / 4)
+ fetch = remaining;
+ // Try to fetch at least "more" bytes.
+ while ((int64_t)fetch > 0)
+ {
+ int64_t nr = (*read_input_fn)(this, rplimit, fetch, remaining);
+ if (nr <= 0)
+ {
+ return (rplimit >= rpgoal);
+ }
+ remaining -= nr;
+ rplimit += nr;
+ fetch -= nr;
+ bytes_read += nr;
+ assert(remaining == (uint64_t)(input.limit() - rplimit));
+ }
+ return true;
}
// output handling
fillbytes *unpacker::close_output(fillbytes *which)
{
- assert(wp != nullptr);
- if (which == nullptr)
- {
- if (wpbase == cur_classfile_head.base())
- {
- which = &cur_classfile_head;
- }
- else
- {
- which = &cur_classfile_tail;
- }
- }
- assert(wpbase == which->base());
- assert(wplimit == which->end());
- which->setLimit(wp);
- wp = nullptr;
- wplimit = nullptr;
- // wpbase = nullptr;
- return which;
+ assert(wp != nullptr);
+ if (which == nullptr)
+ {
+ if (wpbase == cur_classfile_head.base())
+ {
+ which = &cur_classfile_head;
+ }
+ else
+ {
+ which = &cur_classfile_tail;
+ }
+ }
+ assert(wpbase == which->base());
+ assert(wplimit == which->end());
+ which->setLimit(wp);
+ wp = nullptr;
+ wplimit = nullptr;
+ // wpbase = nullptr;
+ return which;
}
// maybe_inline
void unpacker::ensure_put_space(size_t size)
{
- if (wp + size <= wplimit)
- return;
- // Determine which segment needs expanding.
- fillbytes *which = close_output();
- byte *wp0 = which->grow(size);
- wpbase = which->base();
- wplimit = which->end();
- wp = wp0;
+ if (wp + size <= wplimit)
+ return;
+ // Determine which segment needs expanding.
+ fillbytes *which = close_output();
+ byte *wp0 = which->grow(size);
+ wpbase = which->base();
+ wplimit = which->end();
+ wp = wp0;
}
byte *unpacker::put_space(size_t size)
{
- byte *wp0 = wp;
- byte *wp1 = wp0 + size;
- if (wp1 > wplimit)
- {
- ensure_put_space(size);
- wp0 = wp;
- wp1 = wp0 + size;
- }
- wp = wp1;
- return wp0;
+ byte *wp0 = wp;
+ byte *wp1 = wp0 + size;
+ if (wp1 > wplimit)
+ {
+ ensure_put_space(size);
+ wp0 = wp;
+ wp1 = wp0 + size;
+ }
+ wp = wp1;
+ return wp0;
}
void unpacker::putu2_at(byte *wp, int n)
{
- if (n != (unsigned short)n)
- {
- unpack_abort(ERROR_OVERFLOW);
- return;
- }
- wp[0] = (n) >> 8;
- wp[1] = (n) >> 0;
+ if (n != (unsigned short)n)
+ {
+ unpack_abort(ERROR_OVERFLOW);
+ return;
+ }
+ wp[0] = (n) >> 8;
+ wp[1] = (n) >> 0;
}
void unpacker::putu4_at(byte *wp, int n)
{
- wp[0] = (n) >> 24;
- wp[1] = (n) >> 16;
- wp[2] = (n) >> 8;
- wp[3] = (n) >> 0;
+ wp[0] = (n) >> 24;
+ wp[1] = (n) >> 16;
+ wp[2] = (n) >> 8;
+ wp[3] = (n) >> 0;
}
void unpacker::putu8_at(byte *wp, int64_t n)
{
- putu4_at(wp + 0, (int)((uint64_t)n >> 32));
- putu4_at(wp + 4, (int)((uint64_t)n >> 0));
+ putu4_at(wp + 0, (int)((uint64_t)n >> 32));
+ putu4_at(wp + 4, (int)((uint64_t)n >> 0));
}
void unpacker::putu2(int n)
{
- putu2_at(put_space(2), n);
+ putu2_at(put_space(2), n);
}
void unpacker::putu4(int n)
{
- putu4_at(put_space(4), n);
+ putu4_at(put_space(4), n);
}
void unpacker::putu8(int64_t n)
{
- putu8_at(put_space(8), n);
+ putu8_at(put_space(8), n);
}
int unpacker::putref_index(entry *e, int size)
{
- if (e == nullptr)
- return 0;
- else if (e->outputIndex > NOT_REQUESTED)
- return e->outputIndex;
- else if (e->tag == CONSTANT_Signature)
- return putref_index(e->ref(0), size);
- else
- {
- e->requestOutputIndex(cp, -size);
- // Later on we'll fix the bits.
- class_fixup_type.addByte(size);
- class_fixup_offset.add((int)wpoffset());
- class_fixup_ref.add(e);
- return 0;
- }
+ if (e == nullptr)
+ return 0;
+ else if (e->outputIndex > NOT_REQUESTED)
+ return e->outputIndex;
+ else if (e->tag == CONSTANT_Signature)
+ return putref_index(e->ref(0), size);
+ else
+ {
+ e->requestOutputIndex(cp, -size);
+ // Later on we'll fix the bits.
+ class_fixup_type.addByte(size);
+ class_fixup_offset.add((int)wpoffset());
+ class_fixup_ref.add(e);
+ return 0;
+ }
}
void unpacker::putref(entry *e)
{
- int oidx = putref_index(e, 2);
- putu2_at(put_space(2), oidx);
+ int oidx = putref_index(e, 2);
+ putu2_at(put_space(2), oidx);
}
void unpacker::putu1ref(entry *e)
{
- int oidx = putref_index(e, 1);
- putu1_at(put_space(1), oidx);
+ int oidx = putref_index(e, 1);
+ putu1_at(put_space(1), oidx);
}
// Allocation of small and large blocks.
enum
{
- CHUNK = (1 << 14),
- SMALL = (1 << 9)
+ CHUNK = (1 << 14),
+ SMALL = (1 << 9)
};
// Call malloc. Try to combine small blocks and free much later.
void *unpacker::alloc_heap(size_t size, bool smallOK, bool temp)
{
- if (!smallOK || size > SMALL)
- {
- void *res = must_malloc((int)size);
- (temp ? &tmallocs : &mallocs)->add(res);
- return res;
- }
- fillbytes &xsmallbuf = *(temp ? &tsmallbuf : &smallbuf);
- if (!xsmallbuf.canAppend(size + 1))
- {
- xsmallbuf.init(CHUNK);
- (temp ? &tmallocs : &mallocs)->add(xsmallbuf.base());
- }
- int growBy = (int)size;
- growBy += -growBy & 7; // round up mod 8
- return xsmallbuf.grow(growBy);
+ if (!smallOK || size > SMALL)
+ {
+ void *res = must_malloc((int)size);
+ (temp ? &tmallocs : &mallocs)->add(res);
+ return res;
+ }
+ fillbytes &xsmallbuf = *(temp ? &tsmallbuf : &smallbuf);
+ if (!xsmallbuf.canAppend(size + 1))
+ {
+ xsmallbuf.init(CHUNK);
+ (temp ? &tmallocs : &mallocs)->add(xsmallbuf.base());
+ }
+ int growBy = (int)size;
+ growBy += -growBy & 7; // round up mod 8
+ return xsmallbuf.grow(growBy);
}
void unpacker::saveTo(bytes &b, byte *ptr, size_t len)
{
- b.ptr = U_NEW(byte, add_size(len, 1));
- b.len = len;
- b.copyFrom(ptr, len);
+ b.ptr = U_NEW(byte, add_size(len, 1));
+ b.len = len;
+ b.copyFrom(ptr, len);
}
// Read up through band_headers.
// Do the archive_size dance to set the size of the input mega-buffer.
void unpacker::read_file_header()
{
- // Read file header to determine file type and total size.
- enum
- {
- MAGIC_BYTES = 4,
- AH_LENGTH_0 = 3, // minver, majver, options are outside of archive_size
- AH_LENGTH_0_MAX = AH_LENGTH_0 + 1, // options might have 2 bytes
- AH_LENGTH = 26, // maximum archive header length (w/ all fields)
- // Length contributions from optional header fields:
- AH_FILE_HEADER_LEN = 5, // sizehi/lo/next/modtime/files
- AH_ARCHIVE_SIZE_LEN = 2, // sizehi/lo only; part of AH_FILE_HEADER_LEN
- AH_CP_NUMBER_LEN = 4, // int/float/long/double
- AH_SPECIAL_FORMAT_LEN = 2, // layouts/band-headers
- AH_LENGTH_MIN =
- AH_LENGTH - (AH_FILE_HEADER_LEN + AH_SPECIAL_FORMAT_LEN + AH_CP_NUMBER_LEN),
- ARCHIVE_SIZE_MIN = AH_LENGTH_MIN - (AH_LENGTH_0 + AH_ARCHIVE_SIZE_LEN),
- FIRST_READ = MAGIC_BYTES + AH_LENGTH_MIN
- };
-
- assert(AH_LENGTH_MIN == 15); // # of UNSIGNED5 fields required after archive_magic
- assert(ARCHIVE_SIZE_MIN == 10); // # of UNSIGNED5 fields required after archive_size
- // An absolute minimum nullptr archive is magic[4], {minver,majver,options}[3],
- // archive_size[0], cp_counts[8], class_counts[4], for a total of 19 bytes.
- // (Note that archive_size is optional; it may be 0..10 bytes in length.)
- // The first read must capture everything up through the options field.
- // This happens to work even if {minver,majver,options} is a pathological
- // 15 bytes long. Legal pack files limit those three fields to 1+1+2 bytes.
- assert(FIRST_READ >= MAGIC_BYTES + AH_LENGTH_0 * B_MAX);
-
- // Up through archive_size, the largest possible archive header is
- // magic[4], {minver,majver,options}[4], archive_size[10].
- // (Note only the low 12 bits of options are allowed to be non-zero.)
- // In order to parse archive_size, we need at least this many bytes
- // in the first read. Of course, if archive_size_hi is more than
- // a byte, we probably will fail to allocate the buffer, since it
- // will be many gigabytes long. This is a practical, not an
- // architectural limit to Pack200 archive sizes.
- assert(FIRST_READ >= MAGIC_BYTES + AH_LENGTH_0_MAX + 2 * B_MAX);
-
- bool foreign_buf = (read_input_fn == nullptr);
- byte initbuf[(int)FIRST_READ + (int)C_SLOP + 200]; // 200 is for JAR I/O
- if (foreign_buf)
- {
- // inbytes is all there is
- input.set(inbytes);
- rp = input.base();
- rplimit = input.limit();
- }
- else
- {
- // inbytes, if not empty, contains some read-ahead we must use first
- // ensure_input will take care of copying it into initbuf,
- // then querying read_input_fn for any additional data needed.
- // However, the caller must assume that we use up all of inbytes.
- // There is no way to tell the caller that we used only part of them.
- // Therefore, the caller must use only a bare minimum of read-ahead.
- if (inbytes.len > FIRST_READ)
- {
- unpack_abort("too much read-ahead");
- }
- input.set(initbuf, sizeof(initbuf));
- input.b.clear();
- input.b.copyFrom(inbytes);
- rplimit = rp = input.base();
- rplimit += inbytes.len;
- bytes_read += inbytes.len;
- }
- // Read only 19 bytes, which is certain to contain #archive_options fields,
- // but is certain not to overflow past the archive_header.
- input.b.len = FIRST_READ;
- if (!ensure_input(FIRST_READ))
- unpack_abort("EOF reading archive magic number");
-
- if (rp[0] == 'P' && rp[1] == 'K')
- {
- // In the Unix-style program, we simply simulate a copy command.
- // Copy until EOF; assume the JAR file is the last segment.
- fprintf(stderr, "Copy-mode.\n");
- for (;;)
- {
- jarout->write_data(rp, (int)input_remaining());
- if (foreign_buf)
- break; // one-time use of a passed in buffer
- if (input.size() < CHUNK)
- {
- // Get some breathing room.
- input.set(U_NEW(byte, (size_t)CHUNK + C_SLOP), (size_t)CHUNK);
- }
- rp = rplimit = input.base();
- if (!ensure_input(1))
- break;
- }
- jarout->closeJarFile(false);
- return;
- }
-
- // Read the magic number.
- magic = 0;
- for (int i1 = 0; i1 < (int)sizeof(magic); i1++)
- {
- magic <<= 8;
- magic += (*rp++ & 0xFF);
- }
-
- // Read the first 3 values from the header.
- value_stream hdr;
- int hdrVals = 0;
- int hdrValsSkipped = 0; // debug only
- hdr.init(rp, rplimit, UNSIGNED5_spec);
- minver = hdr.getInt();
- majver = hdr.getInt();
- hdrVals += 2;
-
- if (magic != (int)JAVA_PACKAGE_MAGIC ||
- (majver != JAVA5_PACKAGE_MAJOR_VERSION && majver != JAVA6_PACKAGE_MAJOR_VERSION) ||
- (minver != JAVA5_PACKAGE_MINOR_VERSION && minver != JAVA6_PACKAGE_MINOR_VERSION))
- {
- char message[200];
- sprintf(message, "@" ERROR_FORMAT ": magic/ver = "
- "%08X/%d.%d should be %08X/%d.%d OR %08X/%d.%d\n",
- magic, majver, minver, JAVA_PACKAGE_MAGIC, JAVA5_PACKAGE_MAJOR_VERSION,
- JAVA5_PACKAGE_MINOR_VERSION, JAVA_PACKAGE_MAGIC, JAVA6_PACKAGE_MAJOR_VERSION,
- JAVA6_PACKAGE_MINOR_VERSION);
- unpack_abort(message);
- }
-
- archive_options = hdr.getInt();
- hdrVals += 1;
- assert(hdrVals == AH_LENGTH_0); // first three fields only
+ // Read file header to determine file type and total size.
+ enum
+ {
+ MAGIC_BYTES = 4,
+ AH_LENGTH_0 = 3, // minver, majver, options are outside of archive_size
+ AH_LENGTH_0_MAX = AH_LENGTH_0 + 1, // options might have 2 bytes
+ AH_LENGTH = 26, // maximum archive header length (w/ all fields)
+ // Length contributions from optional header fields:
+ AH_FILE_HEADER_LEN = 5, // sizehi/lo/next/modtime/files
+ AH_ARCHIVE_SIZE_LEN = 2, // sizehi/lo only; part of AH_FILE_HEADER_LEN
+ AH_CP_NUMBER_LEN = 4, // int/float/long/double
+ AH_SPECIAL_FORMAT_LEN = 2, // layouts/band-headers
+ AH_LENGTH_MIN =
+ AH_LENGTH - (AH_FILE_HEADER_LEN + AH_SPECIAL_FORMAT_LEN + AH_CP_NUMBER_LEN),
+ ARCHIVE_SIZE_MIN = AH_LENGTH_MIN - (AH_LENGTH_0 + AH_ARCHIVE_SIZE_LEN),
+ FIRST_READ = MAGIC_BYTES + AH_LENGTH_MIN
+ };
+
+ assert(AH_LENGTH_MIN == 15); // # of UNSIGNED5 fields required after archive_magic
+ assert(ARCHIVE_SIZE_MIN == 10); // # of UNSIGNED5 fields required after archive_size
+ // An absolute minimum nullptr archive is magic[4], {minver,majver,options}[3],
+ // archive_size[0], cp_counts[8], class_counts[4], for a total of 19 bytes.
+ // (Note that archive_size is optional; it may be 0..10 bytes in length.)
+ // The first read must capture everything up through the options field.
+ // This happens to work even if {minver,majver,options} is a pathological
+ // 15 bytes long. Legal pack files limit those three fields to 1+1+2 bytes.
+ assert(FIRST_READ >= MAGIC_BYTES + AH_LENGTH_0 * B_MAX);
+
+ // Up through archive_size, the largest possible archive header is
+ // magic[4], {minver,majver,options}[4], archive_size[10].
+ // (Note only the low 12 bits of options are allowed to be non-zero.)
+ // In order to parse archive_size, we need at least this many bytes
+ // in the first read. Of course, if archive_size_hi is more than
+ // a byte, we probably will fail to allocate the buffer, since it
+ // will be many gigabytes long. This is a practical, not an
+ // architectural limit to Pack200 archive sizes.
+ assert(FIRST_READ >= MAGIC_BYTES + AH_LENGTH_0_MAX + 2 * B_MAX);
+
+ bool foreign_buf = (read_input_fn == nullptr);
+ byte initbuf[(int)FIRST_READ + (int)C_SLOP + 200]; // 200 is for JAR I/O
+ if (foreign_buf)
+ {
+ // inbytes is all there is
+ input.set(inbytes);
+ rp = input.base();
+ rplimit = input.limit();
+ }
+ else
+ {
+ // inbytes, if not empty, contains some read-ahead we must use first
+ // ensure_input will take care of copying it into initbuf,
+ // then querying read_input_fn for any additional data needed.
+ // However, the caller must assume that we use up all of inbytes.
+ // There is no way to tell the caller that we used only part of them.
+ // Therefore, the caller must use only a bare minimum of read-ahead.
+ if (inbytes.len > FIRST_READ)
+ {
+ unpack_abort("too much read-ahead");
+ }
+ input.set(initbuf, sizeof(initbuf));
+ input.b.clear();
+ input.b.copyFrom(inbytes);
+ rplimit = rp = input.base();
+ rplimit += inbytes.len;
+ bytes_read += inbytes.len;
+ }
+ // Read only 19 bytes, which is certain to contain #archive_options fields,
+ // but is certain not to overflow past the archive_header.
+ input.b.len = FIRST_READ;
+ if (!ensure_input(FIRST_READ))
+ unpack_abort("EOF reading archive magic number");
+
+ if (rp[0] == 'P' && rp[1] == 'K')
+ {
+ // In the Unix-style program, we simply simulate a copy command.
+ // Copy until EOF; assume the JAR file is the last segment.
+ fprintf(stderr, "Copy-mode.\n");
+ for (;;)
+ {
+ jarout->write_data(rp, (int)input_remaining());
+ if (foreign_buf)
+ break; // one-time use of a passed in buffer
+ if (input.size() < CHUNK)
+ {
+ // Get some breathing room.
+ input.set(U_NEW(byte, (size_t)CHUNK + C_SLOP), (size_t)CHUNK);
+ }
+ rp = rplimit = input.base();
+ if (!ensure_input(1))
+ break;
+ }
+ jarout->closeJarFile(false);
+ return;
+ }
+
+ // Read the magic number.
+ magic = 0;
+ for (int i1 = 0; i1 < (int)sizeof(magic); i1++)
+ {
+ magic <<= 8;
+ magic += (*rp++ & 0xFF);
+ }
+
+ // Read the first 3 values from the header.
+ value_stream hdr;
+ int hdrVals = 0;
+ int hdrValsSkipped = 0; // debug only
+ hdr.init(rp, rplimit, UNSIGNED5_spec);
+ minver = hdr.getInt();
+ majver = hdr.getInt();
+ hdrVals += 2;
+
+ if (magic != (int)JAVA_PACKAGE_MAGIC ||
+ (majver != JAVA5_PACKAGE_MAJOR_VERSION && majver != JAVA6_PACKAGE_MAJOR_VERSION) ||
+ (minver != JAVA5_PACKAGE_MINOR_VERSION && minver != JAVA6_PACKAGE_MINOR_VERSION))
+ {
+ char message[200];
+ sprintf(message, "@" ERROR_FORMAT ": magic/ver = "
+ "%08X/%d.%d should be %08X/%d.%d OR %08X/%d.%d\n",
+ magic, majver, minver, JAVA_PACKAGE_MAGIC, JAVA5_PACKAGE_MAJOR_VERSION,
+ JAVA5_PACKAGE_MINOR_VERSION, JAVA_PACKAGE_MAGIC, JAVA6_PACKAGE_MAJOR_VERSION,
+ JAVA6_PACKAGE_MINOR_VERSION);
+ unpack_abort(message);
+ }
+
+ archive_options = hdr.getInt();
+ hdrVals += 1;
+ assert(hdrVals == AH_LENGTH_0); // first three fields only
#define ORBIT(bit) | (bit)
- int OPTION_LIMIT = (0 ARCHIVE_BIT_DO(ORBIT));
+ int OPTION_LIMIT = (0 ARCHIVE_BIT_DO(ORBIT));
#undef ORBIT
- if ((archive_options & ~OPTION_LIMIT) != 0)
- {
- fprintf(stderr, "Warning: Illegal archive options 0x%x\n", archive_options);
- unpack_abort("illegal archive options");
- return;
- }
-
- if ((archive_options & AO_HAVE_FILE_HEADERS) != 0)
- {
- uint32_t hi = hdr.getInt();
- uint32_t lo = hdr.getInt();
- uint64_t x = band::makeLong(hi, lo);
- archive_size = (size_t)x;
- if (archive_size != x)
- {
- // Silly size specified; force overflow.
- archive_size = PSIZE_MAX + 1;
- }
- hdrVals += 2;
- }
- else
- {
- hdrValsSkipped += 2;
- }
-
- // Now we can size the whole archive.
- // Read everything else into a mega-buffer.
- rp = hdr.rp;
- int header_size_0 = (int)(rp - input.base()); // used-up header (4byte + 3int)
- int header_size_1 = (int)(rplimit - rp); // buffered unused initial fragment
- int header_size = header_size_0 + header_size_1;
- unsized_bytes_read = header_size_0;
- if (foreign_buf)
- {
- if (archive_size > (size_t)header_size_1)
- {
- unpack_abort("EOF reading fixed input buffer");
- return;
- }
- }
- else if (archive_size != 0)
- {
- if (archive_size < ARCHIVE_SIZE_MIN)
- {
- unpack_abort("impossible archive size"); // bad input data
- return;
- }
- if (archive_size < (size_t)header_size_1)
- {
- unpack_abort("too much read-ahead"); // somehow we pre-fetched too much?
- return;
- }
- input.set(U_NEW(byte, add_size(header_size_0, archive_size, C_SLOP)),
- (size_t)header_size_0 + archive_size);
- assert(input.limit()[0] == 0);
- // Move all the bytes we read initially into the real buffer.
- input.b.copyFrom(initbuf, header_size);
- rp = input.b.ptr + header_size_0;
- rplimit = input.b.ptr + header_size;
- }
- else
- {
- // It's more complicated and painful.
- // A zero archive_size means that we must read until EOF.
- input.init(CHUNK * 2);
- input.b.len = input.allocated;
- rp = rplimit = input.base();
- // Set up input buffer as if we already read the header:
- input.b.copyFrom(initbuf, header_size);
- rplimit += header_size;
- while (ensure_input(input.limit() - rp))
- {
- size_t dataSoFar = input_remaining();
- size_t nextSize = add_size(dataSoFar, CHUNK);
- input.ensureSize(nextSize);
- input.b.len = input.allocated;
- rp = rplimit = input.base();
- rplimit += dataSoFar;
- }
- size_t dataSize = (rplimit - input.base());
- input.b.len = dataSize;
- input.grow(C_SLOP);
- free_input = true; // free it later
- input.b.len = dataSize;
- assert(input.limit()[0] == 0);
- rp = rplimit = input.base();
- rplimit += dataSize;
- rp += header_size_0; // already scanned these bytes...
- }
- live_input = true; // mark as "do not reuse"
-
- // read the rest of the header fields
- ensure_input((AH_LENGTH - AH_LENGTH_0) * B_MAX);
- hdr.rp = rp;
- hdr.rplimit = rplimit;
-
- if ((archive_options & AO_HAVE_FILE_HEADERS) != 0)
- {
- archive_next_count = hdr.getInt();
- if (archive_next_count < 0)
- unpack_abort("bad archive_next_count");
- archive_modtime = hdr.getInt();
- file_count = hdr.getInt();
- if (file_count < 0)
- unpack_abort("bad file_count");
- hdrVals += 3;
- }
- else
- {
- hdrValsSkipped += 3;
- }
-
- if ((archive_options & AO_HAVE_SPECIAL_FORMATS) != 0)
- {
- band_headers_size = hdr.getInt();
- if (band_headers_size < 0)
- unpack_abort("bad band_headers_size");
- attr_definition_count = hdr.getInt();
- if (attr_definition_count < 0)
- unpack_abort("bad attr_definition_count");
- hdrVals += 2;
- }
- else
- {
- hdrValsSkipped += 2;
- }
-
- int cp_counts[N_TAGS_IN_ORDER];
- for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
- {
- if (!(archive_options & AO_HAVE_CP_NUMBERS))
- {
- switch (TAGS_IN_ORDER[k])
- {
- case CONSTANT_Integer:
- case CONSTANT_Float:
- case CONSTANT_Long:
- case CONSTANT_Double:
- cp_counts[k] = 0;
- hdrValsSkipped += 1;
- continue;
- }
- }
- cp_counts[k] = hdr.getInt();
- if (cp_counts[k] < 0)
- unpack_abort("bad cp_counts");
- hdrVals += 1;
- }
-
- ic_count = hdr.getInt();
- if (ic_count < 0)
- unpack_abort("bad ic_count");
-
- default_class_minver = hdr.getInt();
- default_class_majver = hdr.getInt();
-
- class_count = hdr.getInt();
- if (class_count < 0)
- unpack_abort("bad class_count");
-
- hdrVals += 4;
-
- // done with archive_header
- hdrVals += hdrValsSkipped;
- assert(hdrVals == AH_LENGTH);
-
- rp = hdr.rp;
- if (rp > rplimit)
- unpack_abort("EOF reading archive header");
-
- // Now size the CP.
- cp.init(this, cp_counts);
-
- default_file_modtime = archive_modtime;
- if (default_file_modtime == 0 && !(archive_options & AO_HAVE_FILE_MODTIME))
- default_file_modtime = DEFAULT_ARCHIVE_MODTIME; // taken from driver
- if ((archive_options & AO_DEFLATE_HINT) != 0)
- default_file_options |= FO_DEFLATE_HINT;
-
- // meta-bytes, if any, immediately follow archive header
- // band_headers.readData(band_headers_size);
- ensure_input(band_headers_size);
- if (input_remaining() < (size_t)band_headers_size)
- {
- unpack_abort("EOF reading band headers");
- return;
- }
- bytes band_headers;
- // The "1+" allows an initial byte to be pushed on the front.
- band_headers.set(1 + U_NEW(byte, 1 + band_headers_size + C_SLOP), band_headers_size);
-
- // Start scanning band headers here:
- band_headers.copyFrom(rp, band_headers.len);
- rp += band_headers.len;
- assert(rp <= rplimit);
- meta_rp = band_headers.ptr;
- // Put evil meta-codes at the end of the band headers,
- // so we are sure to throw an error if we run off the end.
- bytes::of(band_headers.limit(), C_SLOP).clear(_meta_error);
+ if ((archive_options & ~OPTION_LIMIT) != 0)
+ {
+ fprintf(stderr, "Warning: Illegal archive options 0x%x\n", archive_options);
+ unpack_abort("illegal archive options");
+ return;
+ }
+
+ if ((archive_options & AO_HAVE_FILE_HEADERS) != 0)
+ {
+ uint32_t hi = hdr.getInt();
+ uint32_t lo = hdr.getInt();
+ uint64_t x = band::makeLong(hi, lo);
+ archive_size = (size_t)x;
+ if (archive_size != x)
+ {
+ // Silly size specified; force overflow.
+ archive_size = PSIZE_MAX + 1;
+ }
+ hdrVals += 2;
+ }
+ else
+ {
+ hdrValsSkipped += 2;
+ }
+
+ // Now we can size the whole archive.
+ // Read everything else into a mega-buffer.
+ rp = hdr.rp;
+ int header_size_0 = (int)(rp - input.base()); // used-up header (4byte + 3int)
+ int header_size_1 = (int)(rplimit - rp); // buffered unused initial fragment
+ int header_size = header_size_0 + header_size_1;
+ unsized_bytes_read = header_size_0;
+ if (foreign_buf)
+ {
+ if (archive_size > (size_t)header_size_1)
+ {
+ unpack_abort("EOF reading fixed input buffer");
+ return;
+ }
+ }
+ else if (archive_size != 0)
+ {
+ if (archive_size < ARCHIVE_SIZE_MIN)
+ {
+ unpack_abort("impossible archive size"); // bad input data
+ return;
+ }
+ if (archive_size < (size_t)header_size_1)
+ {
+ unpack_abort("too much read-ahead"); // somehow we pre-fetched too much?
+ return;
+ }
+ input.set(U_NEW(byte, add_size(header_size_0, archive_size, C_SLOP)),
+ (size_t)header_size_0 + archive_size);
+ assert(input.limit()[0] == 0);
+ // Move all the bytes we read initially into the real buffer.
+ input.b.copyFrom(initbuf, header_size);
+ rp = input.b.ptr + header_size_0;
+ rplimit = input.b.ptr + header_size;
+ }
+ else
+ {
+ // It's more complicated and painful.
+ // A zero archive_size means that we must read until EOF.
+ input.init(CHUNK * 2);
+ input.b.len = input.allocated;
+ rp = rplimit = input.base();
+ // Set up input buffer as if we already read the header:
+ input.b.copyFrom(initbuf, header_size);
+ rplimit += header_size;
+ while (ensure_input(input.limit() - rp))
+ {
+ size_t dataSoFar = input_remaining();
+ size_t nextSize = add_size(dataSoFar, CHUNK);
+ input.ensureSize(nextSize);
+ input.b.len = input.allocated;
+ rp = rplimit = input.base();
+ rplimit += dataSoFar;
+ }
+ size_t dataSize = (rplimit - input.base());
+ input.b.len = dataSize;
+ input.grow(C_SLOP);
+ free_input = true; // free it later
+ input.b.len = dataSize;
+ assert(input.limit()[0] == 0);
+ rp = rplimit = input.base();
+ rplimit += dataSize;
+ rp += header_size_0; // already scanned these bytes...
+ }
+ live_input = true; // mark as "do not reuse"
+
+ // read the rest of the header fields
+ ensure_input((AH_LENGTH - AH_LENGTH_0) * B_MAX);
+ hdr.rp = rp;
+ hdr.rplimit = rplimit;
+
+ if ((archive_options & AO_HAVE_FILE_HEADERS) != 0)
+ {
+ archive_next_count = hdr.getInt();
+ if (archive_next_count < 0)
+ unpack_abort("bad archive_next_count");
+ archive_modtime = hdr.getInt();
+ file_count = hdr.getInt();
+ if (file_count < 0)
+ unpack_abort("bad file_count");
+ hdrVals += 3;
+ }
+ else
+ {
+ hdrValsSkipped += 3;
+ }
+
+ if ((archive_options & AO_HAVE_SPECIAL_FORMATS) != 0)
+ {
+ band_headers_size = hdr.getInt();
+ if (band_headers_size < 0)
+ unpack_abort("bad band_headers_size");
+ attr_definition_count = hdr.getInt();
+ if (attr_definition_count < 0)
+ unpack_abort("bad attr_definition_count");
+ hdrVals += 2;
+ }
+ else
+ {
+ hdrValsSkipped += 2;
+ }
+
+ int cp_counts[N_TAGS_IN_ORDER];
+ for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
+ {
+ if (!(archive_options & AO_HAVE_CP_NUMBERS))
+ {
+ switch (TAGS_IN_ORDER[k])
+ {
+ case CONSTANT_Integer:
+ case CONSTANT_Float:
+ case CONSTANT_Long:
+ case CONSTANT_Double:
+ cp_counts[k] = 0;
+ hdrValsSkipped += 1;
+ continue;
+ }
+ }
+ cp_counts[k] = hdr.getInt();
+ if (cp_counts[k] < 0)
+ unpack_abort("bad cp_counts");
+ hdrVals += 1;
+ }
+
+ ic_count = hdr.getInt();
+ if (ic_count < 0)
+ unpack_abort("bad ic_count");
+
+ default_class_minver = hdr.getInt();
+ default_class_majver = hdr.getInt();
+
+ class_count = hdr.getInt();
+ if (class_count < 0)
+ unpack_abort("bad class_count");
+
+ hdrVals += 4;
+
+ // done with archive_header
+ hdrVals += hdrValsSkipped;
+ assert(hdrVals == AH_LENGTH);
+
+ rp = hdr.rp;
+ if (rp > rplimit)
+ unpack_abort("EOF reading archive header");
+
+ // Now size the CP.
+ cp.init(this, cp_counts);
+
+ default_file_modtime = archive_modtime;
+ if (default_file_modtime == 0 && !(archive_options & AO_HAVE_FILE_MODTIME))
+ default_file_modtime = DEFAULT_ARCHIVE_MODTIME; // taken from driver
+ if ((archive_options & AO_DEFLATE_HINT) != 0)
+ default_file_options |= FO_DEFLATE_HINT;
+
+ // meta-bytes, if any, immediately follow archive header
+ // band_headers.readData(band_headers_size);
+ ensure_input(band_headers_size);
+ if (input_remaining() < (size_t)band_headers_size)
+ {
+ unpack_abort("EOF reading band headers");
+ return;
+ }
+ bytes band_headers;
+ // The "1+" allows an initial byte to be pushed on the front.
+ band_headers.set(1 + U_NEW(byte, 1 + band_headers_size + C_SLOP), band_headers_size);
+
+ // Start scanning band headers here:
+ band_headers.copyFrom(rp, band_headers.len);
+ rp += band_headers.len;
+ assert(rp <= rplimit);
+ meta_rp = band_headers.ptr;
+ // Put evil meta-codes at the end of the band headers,
+ // so we are sure to throw an error if we run off the end.
+ bytes::of(band_headers.limit(), C_SLOP).clear(_meta_error);
}
void unpacker::finish()
{
- if (verbose >= 1)
- {
- fprintf(stderr, "A total of " LONG_LONG_FORMAT " bytes were read in %d segment(s).\n",
- (bytes_read_before_reset + bytes_read), segments_read_before_reset + 1);
- fprintf(stderr, "A total of " LONG_LONG_FORMAT " file content bytes were written.\n",
- (bytes_written_before_reset + bytes_written));
- fprintf(stderr,
- "A total of %d files (of which %d are classes) were written to output.\n",
- files_written_before_reset + files_written,
- classes_written_before_reset + classes_written);
- }
- if (jarout != nullptr)
- jarout->closeJarFile(true);
+ if (verbose >= 1)
+ {
+ fprintf(stderr, "A total of %" PRIu64 " bytes were read in %d segment(s).\n",
+ (bytes_read_before_reset + bytes_read), segments_read_before_reset + 1);
+ fprintf(stderr, "A total of %" PRIu64 " file content bytes were written.\n",
+ (bytes_written_before_reset + bytes_written));
+ fprintf(stderr,
+ "A total of %d files (of which %d are classes) were written to output.\n",
+ files_written_before_reset + files_written,
+ classes_written_before_reset + classes_written);
+ }
+ if (jarout != nullptr)
+ jarout->closeJarFile(true);
}
// Cf. PackageReader.readConstantPoolCounts
void constant_pool::init(unpacker *u_, int counts[NUM_COUNTS])
{
- this->u = u_;
-
- // Fill-pointer for CP.
- int next_entry = 0;
-
- // Size the constant pool:
- for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
- {
- byte tag = TAGS_IN_ORDER[k];
- int len = counts[k];
- tag_count[tag] = len;
- tag_base[tag] = next_entry;
- next_entry += len;
- // Detect and defend against constant pool size overflow.
- // (Pack200 forbids the sum of CP counts to exceed 2^29-1.)
- enum
- {
- CP_SIZE_LIMIT = (1 << 29),
- IMPLICIT_ENTRY_COUNT = 1 // empty Utf8 string
- };
- if (len >= (1 << 29) || len < 0 || next_entry >= CP_SIZE_LIMIT + IMPLICIT_ENTRY_COUNT)
- {
- unpack_abort("archive too large: constant pool limit exceeded");
- }
- }
-
- // Close off the end of the CP:
- nentries = next_entry;
-
- // place a limit on future CP growth:
- int generous = 0;
- generous = add_size(generous, u->ic_count); // implicit name
- generous = add_size(generous, u->ic_count); // outer
- generous = add_size(generous, u->ic_count); // outer.utf8
- generous = add_size(generous, 40); // WKUs, misc
- generous = add_size(generous, u->class_count); // implicit SourceFile strings
- maxentries = add_size(nentries, generous);
-
- // Note that this CP does not include "empty" entries
- // for longs and doubles. Those are introduced when
- // the entries are renumbered for classfile output.
-
- entries = U_NEW(entry, maxentries);
-
- first_extra_entry = &entries[nentries];
-
- // Initialize the standard indexes.
- tag_count[CONSTANT_All] = nentries;
- tag_base[CONSTANT_All] = 0;
- for (int tag = 0; tag < CONSTANT_Limit; tag++)
- {
- entry *cpMap = &entries[tag_base[tag]];
- tag_index[tag].init(tag_count[tag], cpMap, tag);
- }
-
- // Initialize hashTab to a generous power-of-two size.
- uint32_t pow2 = 1;
- uint32_t target = maxentries + maxentries / 2; // 60% full
- while (pow2 < target)
- pow2 <<= 1;
- hashTab = U_NEW(entry *, hashTabLength = pow2);
+ this->u = u_;
+
+ // Fill-pointer for CP.
+ int next_entry = 0;
+
+ // Size the constant pool:
+ for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
+ {
+ byte tag = TAGS_IN_ORDER[k];
+ int len = counts[k];
+ tag_count[tag] = len;
+ tag_base[tag] = next_entry;
+ next_entry += len;
+ // Detect and defend against constant pool size overflow.
+ // (Pack200 forbids the sum of CP counts to exceed 2^29-1.)
+ enum
+ {
+ CP_SIZE_LIMIT = (1 << 29),
+ IMPLICIT_ENTRY_COUNT = 1 // empty Utf8 string
+ };
+ if (len >= (1 << 29) || len < 0 || next_entry >= CP_SIZE_LIMIT + IMPLICIT_ENTRY_COUNT)
+ {
+ unpack_abort("archive too large: constant pool limit exceeded");
+ }
+ }
+
+ // Close off the end of the CP:
+ nentries = next_entry;
+
+ // place a limit on future CP growth:
+ int generous = 0;
+ generous = add_size(generous, u->ic_count); // implicit name
+ generous = add_size(generous, u->ic_count); // outer
+ generous = add_size(generous, u->ic_count); // outer.utf8
+ generous = add_size(generous, 40); // WKUs, misc
+ generous = add_size(generous, u->class_count); // implicit SourceFile strings
+ maxentries = add_size(nentries, generous);
+
+ // Note that this CP does not include "empty" entries
+ // for longs and doubles. Those are introduced when
+ // the entries are renumbered for classfile output.
+
+ entries = U_NEW(entry, maxentries);
+
+ first_extra_entry = &entries[nentries];
+
+ // Initialize the standard indexes.
+ tag_count[CONSTANT_All] = nentries;
+ tag_base[CONSTANT_All] = 0;
+ for (int tag = 0; tag < CONSTANT_Limit; tag++)
+ {
+ entry *cpMap = &entries[tag_base[tag]];
+ tag_index[tag].init(tag_count[tag], cpMap, tag);
+ }
+
+ // Initialize hashTab to a generous power-of-two size.
+ uint32_t pow2 = 1;
+ uint32_t target = maxentries + maxentries / 2; // 60% full
+ while (pow2 < target)
+ pow2 <<= 1;
+ hashTab = U_NEW(entry *, hashTabLength = pow2);
}
static byte *store_Utf8_char(byte *cp, unsigned short ch)
{
- if (ch >= 0x001 && ch <= 0x007F)
- {
- *cp++ = (byte)ch;
- }
- else if (ch <= 0x07FF)
- {
- *cp++ = (byte)(0xC0 | ((ch >> 6) & 0x1F));
- *cp++ = (byte)(0x80 | ((ch >> 0) & 0x3F));
- }
- else
- {
- *cp++ = (byte)(0xE0 | ((ch >> 12) & 0x0F));
- *cp++ = (byte)(0x80 | ((ch >> 6) & 0x3F));
- *cp++ = (byte)(0x80 | ((ch >> 0) & 0x3F));
- }
- return cp;
+ if (ch >= 0x001 && ch <= 0x007F)
+ {
+ *cp++ = (byte)ch;
+ }
+ else if (ch <= 0x07FF)
+ {
+ *cp++ = (byte)(0xC0 | ((ch >> 6) & 0x1F));
+ *cp++ = (byte)(0x80 | ((ch >> 0) & 0x3F));
+ }
+ else
+ {
+ *cp++ = (byte)(0xE0 | ((ch >> 12) & 0x0F));
+ *cp++ = (byte)(0x80 | ((ch >> 6) & 0x3F));
+ *cp++ = (byte)(0x80 | ((ch >> 0) & 0x3F));
+ }
+ return cp;
}
static byte *skip_Utf8_chars(byte *cp, int len)
{
- for (;; cp++)
- {
- int ch = *cp & 0xFF;
- if ((ch & 0xC0) != 0x80)
- {
- if (len-- == 0)
- return cp;
- if (ch < 0x80 && len == 0)
- return cp + 1;
- }
- }
+ for (;; cp++)
+ {
+ int ch = *cp & 0xFF;
+ if ((ch & 0xC0) != 0x80)
+ {
+ if (len-- == 0)
+ return cp;
+ if (ch < 0x80 && len == 0)
+ return cp + 1;
+ }
+ }
}
static int compare_Utf8_chars(bytes &b1, bytes &b2)
{
- int l1 = (int)b1.len;
- int l2 = (int)b2.len;
- int l0 = (l1 < l2) ? l1 : l2;
- byte *p1 = b1.ptr;
- byte *p2 = b2.ptr;
- int c0 = 0;
- for (int i = 0; i < l0; i++)
- {
- int c1 = p1[i] & 0xFF;
- int c2 = p2[i] & 0xFF;
- if (c1 != c2)
- {
- // Before returning the obvious answer,
- // check to see if c1 or c2 is part of a 0x0000,
- // which encodes as {0xC0,0x80}. The 0x0000 is the
- // lowest-sorting Java char value, and yet it encodes
- // as if it were the first char after 0x7F, which causes
- // strings containing nulls to sort too high. All other
- // comparisons are consistent between Utf8 and Java chars.
- if (c1 == 0xC0 && (p1[i + 1] & 0xFF) == 0x80)
- c1 = 0;
- if (c2 == 0xC0 && (p2[i + 1] & 0xFF) == 0x80)
- c2 = 0;
- if (c0 == 0xC0)
- {
- assert(((c1 | c2) & 0xC0) == 0x80); // c1 & c2 are extension chars
- if (c1 == 0x80)
- c1 = 0; // will sort below c2
- if (c2 == 0x80)
- c2 = 0; // will sort below c1
- }
- return c1 - c2;
- }
- c0 = c1; // save away previous char
- }
- // common prefix is identical; return length difference if any
- return l1 - l2;
+ int l1 = (int)b1.len;
+ int l2 = (int)b2.len;
+ int l0 = (l1 < l2) ? l1 : l2;
+ byte *p1 = b1.ptr;
+ byte *p2 = b2.ptr;
+ int c0 = 0;
+ for (int i = 0; i < l0; i++)
+ {
+ int c1 = p1[i] & 0xFF;
+ int c2 = p2[i] & 0xFF;
+ if (c1 != c2)
+ {
+ // Before returning the obvious answer,
+ // check to see if c1 or c2 is part of a 0x0000,
+ // which encodes as {0xC0,0x80}. The 0x0000 is the
+ // lowest-sorting Java char value, and yet it encodes
+ // as if it were the first char after 0x7F, which causes
+ // strings containing nulls to sort too high. All other
+ // comparisons are consistent between Utf8 and Java chars.
+ if (c1 == 0xC0 && (p1[i + 1] & 0xFF) == 0x80)
+ c1 = 0;
+ if (c2 == 0xC0 && (p2[i + 1] & 0xFF) == 0x80)
+ c2 = 0;
+ if (c0 == 0xC0)
+ {
+ assert(((c1 | c2) & 0xC0) == 0x80); // c1 & c2 are extension chars
+ if (c1 == 0x80)
+ c1 = 0; // will sort below c2
+ if (c2 == 0x80)
+ c2 = 0; // will sort below c1
+ }
+ return c1 - c2;
+ }
+ c0 = c1; // save away previous char
+ }
+ // common prefix is identical; return length difference if any
+ return l1 - l2;
}
// Cf. PackageReader.readUtf8Bands
void unpacker::read_Utf8_values(entry *cpMap, int len)
{
- // Implicit first Utf8 string is the empty string.
- enum
- {
- // certain bands begin with implicit zeroes
- PREFIX_SKIP_2 = 2,
- SUFFIX_SKIP_1 = 1
- };
-
- int i;
-
- // First band: Read lengths of shared prefixes.
- if (len > PREFIX_SKIP_2)
- cp_Utf8_prefix.readData(len - PREFIX_SKIP_2);
-
- // Second band: Read lengths of unshared suffixes:
- if (len > SUFFIX_SKIP_1)
- cp_Utf8_suffix.readData(len - SUFFIX_SKIP_1);
-
- bytes *allsuffixes = T_NEW(bytes, len);
-
- int nbigsuf = 0;
- fillbytes charbuf; // buffer to allocate small strings
- charbuf.init();
-
- // Third band: Read the char values in the unshared suffixes:
- cp_Utf8_chars.readData(cp_Utf8_suffix.getIntTotal());
- for (i = 0; i < len; i++)
- {
- int suffix = (i < SUFFIX_SKIP_1) ? 0 : cp_Utf8_suffix.getInt();
- if (suffix < 0)
- {
- unpack_abort("bad utf8 suffix");
- }
- if (suffix == 0 && i >= SUFFIX_SKIP_1)
- {
- // chars are packed in cp_Utf8_big_chars
- nbigsuf += 1;
- continue;
- }
- bytes &chars = allsuffixes[i];
- uint32_t size3 = suffix * 3; // max Utf8 length
- bool isMalloc = (suffix > SMALL);
- if (isMalloc)
- {
- chars.malloc(size3);
- }
- else
- {
- if (!charbuf.canAppend(size3 + 1))
- {
- assert(charbuf.allocated == 0 || tmallocs.contains(charbuf.base()));
- charbuf.init(CHUNK); // Reset to new buffer.
- tmallocs.add(charbuf.base());
- }
- chars.set(charbuf.grow(size3 + 1), size3);
- }
-
- byte *chp = chars.ptr;
- for (int j = 0; j < suffix; j++)
- {
- unsigned short ch = cp_Utf8_chars.getInt();
- chp = store_Utf8_char(chp, ch);
- }
- // shrink to fit:
- if (isMalloc)
- {
- chars.realloc(chp - chars.ptr);
- tmallocs.add(chars.ptr); // free it later
- }
- else
- {
- int shrink = (int)(chars.limit() - chp);
- chars.len -= shrink;
- charbuf.b.len -= shrink; // ungrow to reclaim buffer space
- // Note that we did not reclaim the final '\0'.
- assert(chars.limit() == charbuf.limit() - 1);
- assert(strlen((char *)chars.ptr) == chars.len);
- }
- }
- // cp_Utf8_chars.done();
-
- // Fourth band: Go back and size the specially packed strings.
- int maxlen = 0;
- cp_Utf8_big_suffix.readData(nbigsuf);
- cp_Utf8_suffix.rewind();
- for (i = 0; i < len; i++)
- {
- int suffix = (i < SUFFIX_SKIP_1) ? 0 : cp_Utf8_suffix.getInt();
- int prefix = (i < PREFIX_SKIP_2) ? 0 : cp_Utf8_prefix.getInt();
- if (prefix < 0 || prefix + suffix < 0)
- {
- unpack_abort("bad utf8 prefix");
- }
- bytes &chars = allsuffixes[i];
- if (suffix == 0 && i >= SUFFIX_SKIP_1)
- {
- suffix = cp_Utf8_big_suffix.getInt();
- assert(chars.ptr == nullptr);
- chars.len = suffix; // just a momentary hack
- }
- else
- {
- assert(chars.ptr != nullptr);
- }
- if (maxlen < prefix + suffix)
- {
- maxlen = prefix + suffix;
- }
- }
- // cp_Utf8_suffix.done(); // will use allsuffixes[i].len (ptr!=nullptr)
- // cp_Utf8_big_suffix.done(); // will use allsuffixes[i].len
-
- // Fifth band(s): Get the specially packed characters.
- cp_Utf8_big_suffix.rewind();
- for (i = 0; i < len; i++)
- {
- bytes &chars = allsuffixes[i];
- if (chars.ptr != nullptr)
- continue; // already input
- int suffix = (int)chars.len; // pick up the hack
- uint32_t size3 = suffix * 3;
- if (suffix == 0)
- continue; // done with empty string
- chars.malloc(size3);
- byte *chp = chars.ptr;
- band saved_band = cp_Utf8_big_chars;
- cp_Utf8_big_chars.readData(suffix);
- for (int j = 0; j < suffix; j++)
- {
- unsigned short ch = cp_Utf8_big_chars.getInt();
- chp = store_Utf8_char(chp, ch);
- }
- chars.realloc(chp - chars.ptr);
- tmallocs.add(chars.ptr); // free it later
- // cp_Utf8_big_chars.done();
- cp_Utf8_big_chars = saved_band; // reset the band for the next string
- }
- cp_Utf8_big_chars.readData(0); // zero chars
- // cp_Utf8_big_chars.done();
-
- // Finally, sew together all the prefixes and suffixes.
- bytes bigbuf;
- bigbuf.malloc(maxlen * 3 + 1); // max Utf8 length, plus slop for nullptr
- int prevlen = 0; // previous string length (in chars)
- tmallocs.add(bigbuf.ptr); // free after this block
- cp_Utf8_prefix.rewind();
- for (i = 0; i < len; i++)
- {
- bytes &chars = allsuffixes[i];
- int prefix = (i < PREFIX_SKIP_2) ? 0 : cp_Utf8_prefix.getInt();
- int suffix = (int)chars.len;
- byte *fillp;
- // by induction, the buffer is already filled with the prefix
- // make sure the prefix value is not corrupted, though:
- if (prefix > prevlen)
- {
- unpack_abort("utf8 prefix overflow");
- return;
- }
- fillp = skip_Utf8_chars(bigbuf.ptr, prefix);
- // copy the suffix into the same buffer:
- fillp = chars.writeTo(fillp);
- assert(bigbuf.inBounds(fillp));
- *fillp = 0; // bigbuf must contain a well-formed Utf8 string
- int length = (int)(fillp - bigbuf.ptr);
- bytes &value = cpMap[i].value.b;
- value.set(U_NEW(byte, add_size(length, 1)), length);
- value.copyFrom(bigbuf.ptr, length);
- // Index all Utf8 strings
- entry *&htref = cp.hashTabRef(CONSTANT_Utf8, value);
- if (htref == nullptr)
- {
- // Note that if two identical strings are transmitted,
- // the first is taken to be the canonical one.
- htref = &cpMap[i];
- }
- prevlen = prefix + suffix;
- }
- // cp_Utf8_prefix.done();
-
- // Free intermediate buffers.
- free_temps();
+ // Implicit first Utf8 string is the empty string.
+ enum
+ {
+ // certain bands begin with implicit zeroes
+ PREFIX_SKIP_2 = 2,
+ SUFFIX_SKIP_1 = 1
+ };
+
+ int i;
+
+ // First band: Read lengths of shared prefixes.
+ if (len > PREFIX_SKIP_2)
+ cp_Utf8_prefix.readData(len - PREFIX_SKIP_2);
+
+ // Second band: Read lengths of unshared suffixes:
+ if (len > SUFFIX_SKIP_1)
+ cp_Utf8_suffix.readData(len - SUFFIX_SKIP_1);
+
+ bytes *allsuffixes = T_NEW(bytes, len);
+
+ int nbigsuf = 0;
+ fillbytes charbuf; // buffer to allocate small strings
+ charbuf.init();
+
+ // Third band: Read the char values in the unshared suffixes:
+ cp_Utf8_chars.readData(cp_Utf8_suffix.getIntTotal());
+ for (i = 0; i < len; i++)
+ {
+ int suffix = (i < SUFFIX_SKIP_1) ? 0 : cp_Utf8_suffix.getInt();
+ if (suffix < 0)
+ {
+ unpack_abort("bad utf8 suffix");
+ }
+ if (suffix == 0 && i >= SUFFIX_SKIP_1)
+ {
+ // chars are packed in cp_Utf8_big_chars
+ nbigsuf += 1;
+ continue;
+ }
+ bytes &chars = allsuffixes[i];
+ uint32_t size3 = suffix * 3; // max Utf8 length
+ bool isMalloc = (suffix > SMALL);
+ if (isMalloc)
+ {
+ chars.malloc(size3);
+ }
+ else
+ {
+ if (!charbuf.canAppend(size3 + 1))
+ {
+ assert(charbuf.allocated == 0 || tmallocs.contains(charbuf.base()));
+ charbuf.init(CHUNK); // Reset to new buffer.
+ tmallocs.add(charbuf.base());
+ }
+ chars.set(charbuf.grow(size3 + 1), size3);
+ }
+
+ byte *chp = chars.ptr;
+ for (int j = 0; j < suffix; j++)
+ {
+ unsigned short ch = cp_Utf8_chars.getInt();
+ chp = store_Utf8_char(chp, ch);
+ }
+ // shrink to fit:
+ if (isMalloc)
+ {
+ chars.realloc(chp - chars.ptr);
+ tmallocs.add(chars.ptr); // free it later
+ }
+ else
+ {
+ int shrink = (int)(chars.limit() - chp);
+ chars.len -= shrink;
+ charbuf.b.len -= shrink; // ungrow to reclaim buffer space
+ // Note that we did not reclaim the final '\0'.
+ assert(chars.limit() == charbuf.limit() - 1);
+ assert(strlen((char *)chars.ptr) == chars.len);
+ }
+ }
+ // cp_Utf8_chars.done();
+
+ // Fourth band: Go back and size the specially packed strings.
+ int maxlen = 0;
+ cp_Utf8_big_suffix.readData(nbigsuf);
+ cp_Utf8_suffix.rewind();
+ for (i = 0; i < len; i++)
+ {
+ int suffix = (i < SUFFIX_SKIP_1) ? 0 : cp_Utf8_suffix.getInt();
+ int prefix = (i < PREFIX_SKIP_2) ? 0 : cp_Utf8_prefix.getInt();
+ if (prefix < 0 || prefix + suffix < 0)
+ {
+ unpack_abort("bad utf8 prefix");
+ }
+ bytes &chars = allsuffixes[i];
+ if (suffix == 0 && i >= SUFFIX_SKIP_1)
+ {
+ suffix = cp_Utf8_big_suffix.getInt();
+ assert(chars.ptr == nullptr);
+ chars.len = suffix; // just a momentary hack
+ }
+ else
+ {
+ assert(chars.ptr != nullptr);
+ }
+ if (maxlen < prefix + suffix)
+ {
+ maxlen = prefix + suffix;
+ }
+ }
+ // cp_Utf8_suffix.done(); // will use allsuffixes[i].len (ptr!=nullptr)
+ // cp_Utf8_big_suffix.done(); // will use allsuffixes[i].len
+
+ // Fifth band(s): Get the specially packed characters.
+ cp_Utf8_big_suffix.rewind();
+ for (i = 0; i < len; i++)
+ {
+ bytes &chars = allsuffixes[i];
+ if (chars.ptr != nullptr)
+ continue; // already input
+ int suffix = (int)chars.len; // pick up the hack
+ uint32_t size3 = suffix * 3;
+ if (suffix == 0)
+ continue; // done with empty string
+ chars.malloc(size3);
+ byte *chp = chars.ptr;
+ band saved_band = cp_Utf8_big_chars;
+ cp_Utf8_big_chars.readData(suffix);
+ for (int j = 0; j < suffix; j++)
+ {
+ unsigned short ch = cp_Utf8_big_chars.getInt();
+ chp = store_Utf8_char(chp, ch);
+ }
+ chars.realloc(chp - chars.ptr);
+ tmallocs.add(chars.ptr); // free it later
+ // cp_Utf8_big_chars.done();
+ cp_Utf8_big_chars = saved_band; // reset the band for the next string
+ }
+ cp_Utf8_big_chars.readData(0); // zero chars
+ // cp_Utf8_big_chars.done();
+
+ // Finally, sew together all the prefixes and suffixes.
+ bytes bigbuf;
+ bigbuf.malloc(maxlen * 3 + 1); // max Utf8 length, plus slop for nullptr
+ int prevlen = 0; // previous string length (in chars)
+ tmallocs.add(bigbuf.ptr); // free after this block
+ cp_Utf8_prefix.rewind();
+ for (i = 0; i < len; i++)
+ {
+ bytes &chars = allsuffixes[i];
+ int prefix = (i < PREFIX_SKIP_2) ? 0 : cp_Utf8_prefix.getInt();
+ int suffix = (int)chars.len;
+ byte *fillp;
+ // by induction, the buffer is already filled with the prefix
+ // make sure the prefix value is not corrupted, though:
+ if (prefix > prevlen)
+ {
+ unpack_abort("utf8 prefix overflow");
+ return;
+ }
+ fillp = skip_Utf8_chars(bigbuf.ptr, prefix);
+ // copy the suffix into the same buffer:
+ fillp = chars.writeTo(fillp);
+ assert(bigbuf.inBounds(fillp));
+ *fillp = 0; // bigbuf must contain a well-formed Utf8 string
+ int length = (int)(fillp - bigbuf.ptr);
+ bytes &value = cpMap[i].value.b;
+ value.set(U_NEW(byte, add_size(length, 1)), length);
+ value.copyFrom(bigbuf.ptr, length);
+ // Index all Utf8 strings
+ entry *&htref = cp.hashTabRef(CONSTANT_Utf8, value);
+ if (htref == nullptr)
+ {
+ // Note that if two identical strings are transmitted,
+ // the first is taken to be the canonical one.
+ htref = &cpMap[i];
+ }
+ prevlen = prefix + suffix;
+ }
+ // cp_Utf8_prefix.done();
+
+ // Free intermediate buffers.
+ free_temps();
}
void unpacker::read_single_words(band &cp_band, entry *cpMap, int len)
{
- cp_band.readData(len);
- for (int i = 0; i < len; i++)
- {
- cpMap[i].value.i = cp_band.getInt(); // coding handles signs OK
- }
+ cp_band.readData(len);
+ for (int i = 0; i < len; i++)
+ {
+ cpMap[i].value.i = cp_band.getInt(); // coding handles signs OK
+ }
}
void unpacker::read_double_words(band &cp_bands, entry *cpMap, int len)
{
- band &cp_band_hi = cp_bands;
- band &cp_band_lo = cp_bands.nextBand();
- cp_band_hi.readData(len);
- cp_band_lo.readData(len);
- for (int i = 0; i < len; i++)
- {
- cpMap[i].value.l = cp_band_hi.getLong(cp_band_lo, true);
- }
- // cp_band_hi.done();
- // cp_band_lo.done();
+ band &cp_band_hi = cp_bands;
+ band &cp_band_lo = cp_bands.nextBand();
+ cp_band_hi.readData(len);
+ cp_band_lo.readData(len);
+ for (int i = 0; i < len; i++)
+ {
+ cpMap[i].value.l = cp_band_hi.getLong(cp_band_lo, true);
+ }
+ // cp_band_hi.done();
+ // cp_band_lo.done();
}
void unpacker::read_single_refs(band &cp_band, byte refTag, entry *cpMap, int len)
{
- assert(refTag == CONSTANT_Utf8);
- cp_band.setIndexByTag(refTag);
- cp_band.readData(len);
- int indexTag = (cp_band.bn == e_cp_Class) ? CONSTANT_Class : 0;
- for (int i = 0; i < len; i++)
- {
- entry &e = cpMap[i];
- e.refs = U_NEW(entry *, e.nrefs = 1);
- entry *utf = cp_band.getRef();
- e.refs[0] = utf;
- e.value.b = utf->value.b; // copy value of Utf8 string to self
- if (indexTag != 0)
- {
- // Maintain cross-reference:
- entry *&htref = cp.hashTabRef(indexTag, e.value.b);
- if (htref == nullptr)
- {
- // Note that if two identical classes are transmitted,
- // the first is taken to be the canonical one.
- htref = &e;
- }
- }
- }
- // cp_band.done();
+ assert(refTag == CONSTANT_Utf8);
+ cp_band.setIndexByTag(refTag);
+ cp_band.readData(len);
+ int indexTag = (cp_band.bn == e_cp_Class) ? CONSTANT_Class : 0;
+ for (int i = 0; i < len; i++)
+ {
+ entry &e = cpMap[i];
+ e.refs = U_NEW(entry *, e.nrefs = 1);
+ entry *utf = cp_band.getRef();
+ e.refs[0] = utf;
+ e.value.b = utf->value.b; // copy value of Utf8 string to self
+ if (indexTag != 0)
+ {
+ // Maintain cross-reference:
+ entry *&htref = cp.hashTabRef(indexTag, e.value.b);
+ if (htref == nullptr)
+ {
+ // Note that if two identical classes are transmitted,
+ // the first is taken to be the canonical one.
+ htref = &e;
+ }
+ }
+ }
+ // cp_band.done();
}
void unpacker::read_double_refs(band &cp_band, byte ref1Tag, byte ref2Tag, entry *cpMap,
- int len)
+ int len)
{
- band &cp_band1 = cp_band;
- band &cp_band2 = cp_band.nextBand();
- cp_band1.setIndexByTag(ref1Tag);
- cp_band2.setIndexByTag(ref2Tag);
- cp_band1.readData(len);
- cp_band2.readData(len);
- for (int i = 0; i < len; i++)
- {
- entry &e = cpMap[i];
- e.refs = U_NEW(entry *, e.nrefs = 2);
- e.refs[0] = cp_band1.getRef();
- e.refs[1] = cp_band2.getRef();
- }
- // cp_band1.done();
- // cp_band2.done();
+ band &cp_band1 = cp_band;
+ band &cp_band2 = cp_band.nextBand();
+ cp_band1.setIndexByTag(ref1Tag);
+ cp_band2.setIndexByTag(ref2Tag);
+ cp_band1.readData(len);
+ cp_band2.readData(len);
+ for (int i = 0; i < len; i++)
+ {
+ entry &e = cpMap[i];
+ e.refs = U_NEW(entry *, e.nrefs = 2);
+ e.refs[0] = cp_band1.getRef();
+ e.refs[1] = cp_band2.getRef();
+ }
+ // cp_band1.done();
+ // cp_band2.done();
}
// Cf. PackageReader.readSignatureBands
void unpacker::read_signature_values(entry *cpMap, int len)
{
- cp_Signature_form.setIndexByTag(CONSTANT_Utf8);
- cp_Signature_form.readData(len);
- int ncTotal = 0;
- int i;
- for (i = 0; i < len; i++)
- {
- entry &e = cpMap[i];
- entry &form = *cp_Signature_form.getRef();
- int nc = 0;
-
- for (const char *ncp = form.utf8String(); *ncp; ncp++)
- {
- if (*ncp == 'L')
- nc++;
- }
-
- ncTotal += nc;
- e.refs = U_NEW(entry *, cpMap[i].nrefs = 1 + nc);
- e.refs[0] = &form;
- }
- // cp_Signature_form.done();
- cp_Signature_classes.setIndexByTag(CONSTANT_Class);
- cp_Signature_classes.readData(ncTotal);
- for (i = 0; i < len; i++)
- {
- entry &e = cpMap[i];
- for (int j = 1; j < e.nrefs; j++)
- {
- e.refs[j] = cp_Signature_classes.getRef();
- }
- }
- // cp_Signature_classes.done();
+ cp_Signature_form.setIndexByTag(CONSTANT_Utf8);
+ cp_Signature_form.readData(len);
+ int ncTotal = 0;
+ int i;
+ for (i = 0; i < len; i++)
+ {
+ entry &e = cpMap[i];
+ entry &form = *cp_Signature_form.getRef();
+ int nc = 0;
+
+ for (const char *ncp = form.utf8String(); *ncp; ncp++)
+ {
+ if (*ncp == 'L')
+ nc++;
+ }
+
+ ncTotal += nc;
+ e.refs = U_NEW(entry *, cpMap[i].nrefs = 1 + nc);
+ e.refs[0] = &form;
+ }
+ // cp_Signature_form.done();
+ cp_Signature_classes.setIndexByTag(CONSTANT_Class);
+ cp_Signature_classes.readData(ncTotal);
+ for (i = 0; i < len; i++)
+ {
+ entry &e = cpMap[i];
+ for (int j = 1; j < e.nrefs; j++)
+ {
+ e.refs[j] = cp_Signature_classes.getRef();
+ }
+ }
+ // cp_Signature_classes.done();
}
// Cf. PackageReader.readConstantPool
void unpacker::read_cp()
{
- int i;
-
- for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
- {
- byte tag = TAGS_IN_ORDER[k];
- int len = cp.tag_count[tag];
- int base = cp.tag_base[tag];
-
- entry *cpMap = &cp.entries[base];
- for (i = 0; i < len; i++)
- {
- cpMap[i].tag = tag;
- cpMap[i].inord = i;
- }
-
- switch (tag)
- {
- case CONSTANT_Utf8:
- read_Utf8_values(cpMap, len);
- break;
- case CONSTANT_Integer:
- read_single_words(cp_Int, cpMap, len);
- break;
- case CONSTANT_Float:
- read_single_words(cp_Float, cpMap, len);
- break;
- case CONSTANT_Long:
- read_double_words(cp_Long_hi /*& cp_Long_lo*/, cpMap, len);
- break;
- case CONSTANT_Double:
- read_double_words(cp_Double_hi /*& cp_Double_lo*/, cpMap, len);
- break;
- case CONSTANT_String:
- read_single_refs(cp_String, CONSTANT_Utf8, cpMap, len);
- break;
- case CONSTANT_Class:
- read_single_refs(cp_Class, CONSTANT_Utf8, cpMap, len);
- break;
- case CONSTANT_Signature:
- read_signature_values(cpMap, len);
- break;
- case CONSTANT_NameandType:
- read_double_refs(cp_Descr_name /*& cp_Descr_type*/, CONSTANT_Utf8,
- CONSTANT_Signature, cpMap, len);
- break;
- case CONSTANT_Fieldref:
- read_double_refs(cp_Field_class /*& cp_Field_desc*/, CONSTANT_Class,
- CONSTANT_NameandType, cpMap, len);
- break;
- case CONSTANT_Methodref:
- read_double_refs(cp_Method_class /*& cp_Method_desc*/, CONSTANT_Class,
- CONSTANT_NameandType, cpMap, len);
- break;
- case CONSTANT_InterfaceMethodref:
- read_double_refs(cp_Imethod_class /*& cp_Imethod_desc*/, CONSTANT_Class,
- CONSTANT_NameandType, cpMap, len);
- break;
- default:
- assert(false);
- break;
- }
- }
-
- cp.expandSignatures();
- cp.initMemberIndexes();
+ int i;
+
+ for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++)
+ {
+ byte tag = TAGS_IN_ORDER[k];
+ int len = cp.tag_count[tag];
+ int base = cp.tag_base[tag];
+
+ entry *cpMap = &cp.entries[base];
+ for (i = 0; i < len; i++)
+ {
+ cpMap[i].tag = tag;
+ cpMap[i].inord = i;
+ }
+
+ switch (tag)
+ {
+ case CONSTANT_Utf8:
+ read_Utf8_values(cpMap, len);
+ break;
+ case CONSTANT_Integer:
+ read_single_words(cp_Int, cpMap, len);
+ break;
+ case CONSTANT_Float:
+ read_single_words(cp_Float, cpMap, len);
+ break;
+ case CONSTANT_Long:
+ read_double_words(cp_Long_hi /*& cp_Long_lo*/, cpMap, len);
+ break;
+ case CONSTANT_Double:
+ read_double_words(cp_Double_hi /*& cp_Double_lo*/, cpMap, len);
+ break;
+ case CONSTANT_String:
+ read_single_refs(cp_String, CONSTANT_Utf8, cpMap, len);
+ break;
+ case CONSTANT_Class:
+ read_single_refs(cp_Class, CONSTANT_Utf8, cpMap, len);
+ break;
+ case CONSTANT_Signature:
+ read_signature_values(cpMap, len);
+ break;
+ case CONSTANT_NameandType:
+ read_double_refs(cp_Descr_name /*& cp_Descr_type*/, CONSTANT_Utf8,
+ CONSTANT_Signature, cpMap, len);
+ break;
+ case CONSTANT_Fieldref:
+ read_double_refs(cp_Field_class /*& cp_Field_desc*/, CONSTANT_Class,
+ CONSTANT_NameandType, cpMap, len);
+ break;
+ case CONSTANT_Methodref:
+ read_double_refs(cp_Method_class /*& cp_Method_desc*/, CONSTANT_Class,
+ CONSTANT_NameandType, cpMap, len);
+ break;
+ case CONSTANT_InterfaceMethodref:
+ read_double_refs(cp_Imethod_class /*& cp_Imethod_desc*/, CONSTANT_Class,
+ CONSTANT_NameandType, cpMap, len);
+ break;
+ default:
+ assert(false);
+ break;
+ }
+ }
+
+ cp.expandSignatures();
+ cp.initMemberIndexes();
#define SNAME(n, s) #s "\0"
- const char *symNames = (ALL_ATTR_DO(SNAME) "<init>");
+ const char *symNames = (ALL_ATTR_DO(SNAME) "<init>");
#undef SNAME
- for (int sn = 0; sn < constant_pool::s_LIMIT; sn++)
- {
- assert(symNames[0] >= '0' && symNames[0] <= 'Z'); // sanity
- bytes name;
- name.set(symNames);
- if (name.len > 0 && name.ptr[0] != '0')
- {
- cp.sym[sn] = cp.ensureUtf8(name);
- }
- symNames += name.len + 1; // skip trailing nullptr to next name
- }
-
- band::initIndexes(this);
+ for (int sn = 0; sn < constant_pool::s_LIMIT; sn++)
+ {
+ assert(symNames[0] >= '0' && symNames[0] <= 'Z'); // sanity
+ bytes name;
+ name.set(symNames);
+ if (name.len > 0 && name.ptr[0] != '0')
+ {
+ cp.sym[sn] = cp.ensureUtf8(name);
+ }
+ symNames += name.len + 1; // skip trailing nullptr to next name
+ }
+
+ band::initIndexes(this);
}
static band *no_bands[] = {nullptr}; // shared empty body
inline band &unpacker::attr_definitions::fixed_band(int e_class_xxx)
{
- return u->all_bands[xxx_flags_hi_bn + (e_class_xxx - e_class_flags_hi)];
+ return u->all_bands[xxx_flags_hi_bn + (e_class_xxx - e_class_flags_hi)];
}
inline band &unpacker::attr_definitions::xxx_flags_hi()
{
- return fixed_band(e_class_flags_hi);
+ return fixed_band(e_class_flags_hi);
}
inline band &unpacker::attr_definitions::xxx_flags_lo()
{
- return fixed_band(e_class_flags_lo);
+ return fixed_band(e_class_flags_lo);
}
inline band &unpacker::attr_definitions::xxx_attr_count()
{
- return fixed_band(e_class_attr_count);
+ return fixed_band(e_class_attr_count);
}
inline band &unpacker::attr_definitions::xxx_attr_indexes()
{
- return fixed_band(e_class_attr_indexes);
+ return fixed_band(e_class_attr_indexes);
}
inline band &unpacker::attr_definitions::xxx_attr_calls()
{
- return fixed_band(e_class_attr_calls);
+ return fixed_band(e_class_attr_calls);
}
inline unpacker::layout_definition *
unpacker::attr_definitions::defineLayout(int idx, entry *nameEntry, const char *layout)
{
- const char *name = nameEntry->value.b.strval();
- layout_definition *lo = defineLayout(idx, name, layout);
- lo->nameEntry = nameEntry;
- return lo;
+ const char *name = nameEntry->value.b.strval();
+ layout_definition *lo = defineLayout(idx, name, layout);
+ lo->nameEntry = nameEntry;
+ return lo;
}
unpacker::layout_definition *unpacker::attr_definitions::defineLayout(int idx, const char *name,
- const char *layout)
+ const char *layout)
{
- assert(flag_limit != 0); // must be set up already
- if (idx >= 0)
- {
- // Fixed attr.
- if (idx >= (int)flag_limit)
- unpack_abort("attribute index too large");
- if (isRedefined(idx))
- unpack_abort("redefined attribute index");
- redef |= ((uint64_t)1 << idx);
- }
- else
- {
- idx = flag_limit + overflow_count.length();
- overflow_count.add(0); // make a new counter
- }
- layout_definition *lo = U_NEW(layout_definition, 1);
- lo->idx = idx;
- lo->name = name;
- lo->layout = layout;
- for (int adds = (idx + 1) - layouts.length(); adds > 0; adds--)
- {
- layouts.add(nullptr);
- }
- layouts.get(idx) = lo;
- return lo;
+ assert(flag_limit != 0); // must be set up already
+ if (idx >= 0)
+ {
+ // Fixed attr.
+ if (idx >= (int)flag_limit)
+ unpack_abort("attribute index too large");
+ if (isRedefined(idx))
+ unpack_abort("redefined attribute index");
+ redef |= ((uint64_t)1 << idx);
+ }
+ else
+ {
+ idx = flag_limit + overflow_count.length();
+ overflow_count.add(0); // make a new counter
+ }
+ layout_definition *lo = U_NEW(layout_definition, 1);
+ lo->idx = idx;
+ lo->name = name;
+ lo->layout = layout;
+ for (int adds = (idx + 1) - layouts.length(); adds > 0; adds--)
+ {
+ layouts.add(nullptr);
+ }
+ layouts.get(idx) = lo;
+ return lo;
}
band **unpacker::attr_definitions::buildBands(unpacker::layout_definition *lo)
{
- int i;
- if (lo->elems != nullptr)
- return lo->bands();
- if (lo->layout[0] == '\0')
- {
- lo->elems = no_bands;
- }
- else
- {
- // Create bands for this attribute by parsing the layout.
- bool hasCallables = lo->hasCallables();
- bands_made = 0x10000; // base number for bands made
- const char *lp = lo->layout;
- lp = parseLayout(lp, lo->elems, -1);
- if (lp[0] != '\0' || band_stack.length() > 0)
- {
- unpack_abort("garbage at end of layout");
- }
- band_stack.popTo(0);
-
- // Fix up callables to point at their callees.
- band **bands = lo->elems;
- assert(bands == lo->bands());
- int num_callables = 0;
- if (hasCallables)
- {
- while (bands[num_callables] != nullptr)
- {
- if (bands[num_callables]->le_kind != EK_CBLE)
- {
- unpack_abort("garbage mixed with callables");
- break;
- }
- num_callables += 1;
- }
- }
- for (i = 0; i < calls_to_link.length(); i++)
- {
- band &call = *(band *)calls_to_link.get(i);
- assert(call.le_kind == EK_CALL);
- // Determine the callee.
- int call_num = call.le_len;
- if (call_num < 0 || call_num >= num_callables)
- {
- unpack_abort("bad call in layout");
- break;
- }
- band &cble = *bands[call_num];
- // Link the call to it.
- call.le_body[0] = &cble;
- // Distinguish backward calls and callables:
- assert(cble.le_kind == EK_CBLE);
- // FIXME: hit this one
- // assert(cble.le_len == call_num);
- cble.le_back |= call.le_back;
- }
- calls_to_link.popTo(0);
- }
- return lo->elems;
+ int i;
+ if (lo->elems != nullptr)
+ return lo->bands();
+ if (lo->layout[0] == '\0')
+ {
+ lo->elems = no_bands;
+ }
+ else
+ {
+ // Create bands for this attribute by parsing the layout.
+ bool hasCallables = lo->hasCallables();
+ bands_made = 0x10000; // base number for bands made
+ const char *lp = lo->layout;
+ lp = parseLayout(lp, lo->elems, -1);
+ if (lp[0] != '\0' || band_stack.length() > 0)
+ {
+ unpack_abort("garbage at end of layout");
+ }
+ band_stack.popTo(0);
+
+ // Fix up callables to point at their callees.
+ band **bands = lo->elems;
+ assert(bands == lo->bands());
+ int num_callables = 0;
+ if (hasCallables)
+ {
+ while (bands[num_callables] != nullptr)
+ {
+ if (bands[num_callables]->le_kind != EK_CBLE)
+ {
+ unpack_abort("garbage mixed with callables");
+ break;
+ }
+ num_callables += 1;
+ }
+ }
+ for (i = 0; i < calls_to_link.length(); i++)
+ {
+ band &call = *(band *)calls_to_link.get(i);
+ assert(call.le_kind == EK_CALL);
+ // Determine the callee.
+ int call_num = call.le_len;
+ if (call_num < 0 || call_num >= num_callables)
+ {
+ unpack_abort("bad call in layout");
+ break;
+ }
+ band &cble = *bands[call_num];
+ // Link the call to it.
+ call.le_body[0] = &cble;
+ // Distinguish backward calls and callables:
+ assert(cble.le_kind == EK_CBLE);
+ // FIXME: hit this one
+ // assert(cble.le_len == call_num);
+ cble.le_back |= call.le_back;
+ }
+ calls_to_link.popTo(0);
+ }
+ return lo->elems;
}
/* attribute layout language parser
attribute_layout:
- ( layout_element )* | ( callable )+
+ ( layout_element )* | ( callable )+
layout_element:
- ( integral | replication | union | call | reference )
+ ( integral | replication | union | call | reference )
callable:
- '[' body ']'
+ '[' body ']'
body:
- ( layout_element )+
+ ( layout_element )+
integral:
- ( unsigned_int | signed_int | bc_index | bc_offset | flag )
+ ( unsigned_int | signed_int | bc_index | bc_offset | flag )
unsigned_int:
- uint_type
+ uint_type
signed_int:
- 'S' uint_type
+ 'S' uint_type
any_int:
- ( unsigned_int | signed_int )
+ ( unsigned_int | signed_int )
bc_index:
- ( 'P' uint_type | 'PO' uint_type )
+ ( 'P' uint_type | 'PO' uint_type )
bc_offset:
- 'O' any_int
+ 'O' any_int
flag:
- 'F' uint_type
+ 'F' uint_type
uint_type:
- ( 'B' | 'H' | 'I' | 'V' )
+ ( 'B' | 'H' | 'I' | 'V' )
replication:
- 'N' uint_type '[' body ']'
+ 'N' uint_type '[' body ']'
union:
- 'T' any_int (union_case)* '(' ')' '[' (body)? ']'
+ 'T' any_int (union_case)* '(' ')' '[' (body)? ']'
union_case:
- '(' union_case_tag (',' union_case_tag)* ')' '[' (body)? ']'
+ '(' union_case_tag (',' union_case_tag)* ')' '[' (body)? ']'
union_case_tag:
- ( numeral | numeral '-' numeral )
+ ( numeral | numeral '-' numeral )
call:
- '(' numeral ')'
+ '(' numeral ')'
reference:
- reference_type ( 'N' )? uint_type
+ reference_type ( 'N' )? uint_type
reference_type:
- ( constant_ref | schema_ref | utf8_ref | untyped_ref )
+ ( constant_ref | schema_ref | utf8_ref | untyped_ref )
constant_ref:
- ( 'KI' | 'KJ' | 'KF' | 'KD' | 'KS' | 'KQ' )
+ ( 'KI' | 'KJ' | 'KF' | 'KD' | 'KS' | 'KQ' )
schema_ref:
- ( 'RC' | 'RS' | 'RD' | 'RF' | 'RM' | 'RI' )
+ ( 'RC' | 'RS' | 'RD' | 'RF' | 'RM' | 'RI' )
utf8_ref:
- 'RU'
+ 'RU'
untyped_ref:
- 'RQ'
+ 'RQ'
numeral:
- '(' ('-')? (digit)+ ')'
+ '(' ('-')? (digit)+ ')'
digit:
- ( '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' )
+ ( '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' )
*/
const char *unpacker::attr_definitions::parseIntLayout(const char *lp, band *&res, byte le_kind,
- bool can_be_signed)
+ bool can_be_signed)
{
- band *b = U_NEW(band, 1);
- char le = *lp++;
- int spec = UNSIGNED5_spec;
- if (le == 'S' && can_be_signed)
- {
- // Note: This is the last use of sign. There is no 'EF_SIGN'.
- spec = SIGNED5_spec;
- le = *lp++;
- }
- else if (le == 'B')
- {
- spec = BYTE1_spec; // unsigned byte
- }
- b->init(u, bands_made++, spec);
- b->le_kind = le_kind;
- int le_len = 0;
- switch (le)
- {
- case 'B':
- le_len = 1;
- break;
- case 'H':
- le_len = 2;
- break;
- case 'I':
- le_len = 4;
- break;
- case 'V':
- le_len = 0;
- break;
- default:
- unpack_abort("bad layout element");
- }
- b->le_len = le_len;
- band_stack.add(b);
- res = b;
- return lp;
+ band *b = U_NEW(band, 1);
+ char le = *lp++;
+ int spec = UNSIGNED5_spec;
+ if (le == 'S' && can_be_signed)
+ {
+ // Note: This is the last use of sign. There is no 'EF_SIGN'.
+ spec = SIGNED5_spec;
+ le = *lp++;
+ }
+ else if (le == 'B')
+ {
+ spec = BYTE1_spec; // unsigned byte
+ }
+ b->init(u, bands_made++, spec);
+ b->le_kind = le_kind;
+ int le_len = 0;
+ switch (le)
+ {
+ case 'B':
+ le_len = 1;
+ break;
+ case 'H':
+ le_len = 2;
+ break;
+ case 'I':
+ le_len = 4;
+ break;
+ case 'V':
+ le_len = 0;
+ break;
+ default:
+ unpack_abort("bad layout element");
+ }
+ b->le_len = le_len;
+ band_stack.add(b);
+ res = b;
+ return lp;
}
const char *unpacker::attr_definitions::parseNumeral(const char *lp, int &res)
{
- bool sgn = false;
- if (*lp == '0')
- {
- res = 0;
- return lp + 1;
- } // special case '0'
- if (*lp == '-')
- {
- sgn = true;
- lp++;
- }
- const char *dp = lp;
- int con = 0;
- while (*dp >= '0' && *dp <= '9')
- {
- int con0 = con;
- con *= 10;
- con += (*dp++) - '0';
- if (con <= con0)
- {
- con = -1;
- break;
- } // numeral overflow
- }
- if (lp == dp)
- {
- unpack_abort("missing numeral in layout");
- }
- lp = dp;
- if (con < 0 && !(sgn && con == -con))
- {
- // (Portability note: Misses the error if int is not 32 bits.)
- unpack_abort("numeral overflow");
- }
- if (sgn)
- con = -con;
- res = con;
- return lp;
+ bool sgn = false;
+ if (*lp == '0')
+ {
+ res = 0;
+ return lp + 1;
+ } // special case '0'
+ if (*lp == '-')
+ {
+ sgn = true;
+ lp++;
+ }
+ const char *dp = lp;
+ int con = 0;
+ while (*dp >= '0' && *dp <= '9')
+ {
+ int con0 = con;
+ con *= 10;
+ con += (*dp++) - '0';
+ if (con <= con0)
+ {
+ con = -1;
+ break;
+ } // numeral overflow
+ }
+ if (lp == dp)
+ {
+ unpack_abort("missing numeral in layout");
+ }
+ lp = dp;
+ if (con < 0 && !(sgn && con == -con))
+ {
+ // (Portability note: Misses the error if int is not 32 bits.)
+ unpack_abort("numeral overflow");
+ }
+ if (sgn)
+ con = -con;
+ res = con;
+ return lp;
}
band **unpacker::attr_definitions::popBody(int bs_base)
{
- // Return everything that was pushed, as a nullptr-terminated pointer array.
- int bs_limit = band_stack.length();
- if (bs_base == bs_limit)
- {
- return no_bands;
- }
- else
- {
- int nb = bs_limit - bs_base;
- band **res = U_NEW(band *, add_size(nb, 1));
- for (int i = 0; i < nb; i++)
- {
- band *b = (band *)band_stack.get(bs_base + i);
- res[i] = b;
- }
- band_stack.popTo(bs_base);
- return res;
- }
+ // Return everything that was pushed, as a nullptr-terminated pointer array.
+ int bs_limit = band_stack.length();
+ if (bs_base == bs_limit)
+ {
+ return no_bands;
+ }
+ else
+ {
+ int nb = bs_limit - bs_base;
+ band **res = U_NEW(band *, add_size(nb, 1));
+ for (int i = 0; i < nb; i++)
+ {
+ band *b = (band *)band_stack.get(bs_base + i);
+ res[i] = b;
+ }
+ band_stack.popTo(bs_base);
+ return res;
+ }
}
const char *unpacker::attr_definitions::parseLayout(const char *lp, band **&res, int curCble)
{
- int bs_base = band_stack.length();
- bool top_level = (bs_base == 0);
- band *b;
- enum
- {
- can_be_signed = true
- }; // optional arg to parseIntLayout
-
- for (bool done = false; !done;)
- {
- switch (*lp++)
- {
- case 'B':
- case 'H':
- case 'I':
- case 'V': // unsigned_int
- case 'S': // signed_int
- --lp; // reparse
- case 'F':
- lp = parseIntLayout(lp, b, EK_INT);
- break;
- case 'P':
- {
- int le_bci = EK_BCI;
- if (*lp == 'O')
- {
- ++lp;
- le_bci = EK_BCID;
- }
- assert(*lp != 'S'); // no PSH, etc.
- lp = parseIntLayout(lp, b, EK_INT);
- b->le_bci = le_bci;
- if (le_bci == EK_BCI)
- b->defc = coding::findBySpec(BCI5_spec);
- else
- b->defc = coding::findBySpec(BRANCH5_spec);
- }
- break;
- case 'O':
- lp = parseIntLayout(lp, b, EK_INT, can_be_signed);
- b->le_bci = EK_BCO;
- b->defc = coding::findBySpec(BRANCH5_spec);
- break;
- case 'N': // replication: 'N' uint32_t '[' elem ... ']'
- lp = parseIntLayout(lp, b, EK_REPL);
- assert(*lp == '[');
- ++lp;
- lp = parseLayout(lp, b->le_body, curCble);
- break;
- case 'T': // union: 'T' any_int union_case* '(' ')' '[' body ']'
- lp = parseIntLayout(lp, b, EK_UN, can_be_signed);
- {
- int union_base = band_stack.length();
- for (;;)
- { // for each case
- band &k_case = *U_NEW(band, 1);
- band_stack.add(&k_case);
- k_case.le_kind = EK_CASE;
- k_case.bn = bands_made++;
- if (*lp++ != '(')
- {
- unpack_abort("bad union case");
- return "";
- }
- if (*lp++ != ')')
- {
- --lp; // reparse
- // Read some case values. (Use band_stack for temp. storage.)
- int case_base = band_stack.length();
- for (;;)
- {
- int caseval = 0;
- lp = parseNumeral(lp, caseval);
- band_stack.add((void *)(size_t)caseval);
- if (*lp == '-')
- {
- // new in version 160, allow (1-5) for (1,2,3,4,5)
- if (u->majver < JAVA6_PACKAGE_MAJOR_VERSION)
- {
- unpack_abort(
- "bad range in union case label (old archive format)");
- return "";
- }
- int caselimit = caseval;
- lp++;
- lp = parseNumeral(lp, caselimit);
- if (caseval >= caselimit ||
- (uint32_t)(caselimit - caseval) > 0x10000)
- {
- // Note: 0x10000 is arbitrary implementation restriction.
- // We can remove it later if it's important to.
- unpack_abort("bad range in union case label");
- }
- for (;;)
- {
- ++caseval;
- band_stack.add((void *)(size_t)caseval);
- if (caseval == caselimit)
- break;
- }
- }
- if (*lp != ',')
- break;
- lp++;
- }
- if (*lp++ != ')')
- {
- unpack_abort("bad case label");
- }
- // save away the case labels
- int ntags = band_stack.length() - case_base;
- int *tags = U_NEW(int, add_size(ntags, 1));
- k_case.le_casetags = tags;
- *tags++ = ntags;
- for (int i = 0; i < ntags; i++)
- {
- *tags++ = ptrlowbits(band_stack.get(case_base + i));
- }
- band_stack.popTo(case_base);
- }
- // Got le_casetags. Now grab the body.
- assert(*lp == '[');
- ++lp;
- lp = parseLayout(lp, k_case.le_body, curCble);
- if (k_case.le_casetags == nullptr)
- break; // done
- }
- b->le_body = popBody(union_base);
- }
- break;
- case '(': // call: '(' -?NN* ')'
- {
- band &call = *U_NEW(band, 1);
- band_stack.add(&call);
- call.le_kind = EK_CALL;
- call.bn = bands_made++;
- call.le_body = U_NEW(band *, 2); // fill in later
- int call_num = 0;
- lp = parseNumeral(lp, call_num);
- call.le_back = (call_num <= 0);
- call_num += curCble; // numeral is self-relative offset
- call.le_len = call_num; // use le_len as scratch
- calls_to_link.add(&call);
- if (*lp++ != ')')
- {
- unpack_abort("bad call label");
- }
- }
- break;
- case 'K': // reference_type: constant_ref
- case 'R': // reference_type: schema_ref
- {
- int ixTag = CONSTANT_None;
- if (lp[-1] == 'K')
- {
- switch (*lp++)
- {
- case 'I':
- ixTag = CONSTANT_Integer;
- break;
- case 'J':
- ixTag = CONSTANT_Long;
- break;
- case 'F':
- ixTag = CONSTANT_Float;
- break;
- case 'D':
- ixTag = CONSTANT_Double;
- break;
- case 'S':
- ixTag = CONSTANT_String;
- break;
- case 'Q':
- ixTag = CONSTANT_Literal;
- break;
- }
- }
- else
- {
- switch (*lp++)
- {
- case 'C':
- ixTag = CONSTANT_Class;
- break;
- case 'S':
- ixTag = CONSTANT_Signature;
- break;
- case 'D':
- ixTag = CONSTANT_NameandType;
- break;
- case 'F':
- ixTag = CONSTANT_Fieldref;
- break;
- case 'M':
- ixTag = CONSTANT_Methodref;
- break;
- case 'I':
- ixTag = CONSTANT_InterfaceMethodref;
- break;
- case 'U':
- ixTag = CONSTANT_Utf8;
- break; // utf8_ref
- case 'Q':
- ixTag = CONSTANT_All;
- break; // untyped_ref
- }
- }
- if (ixTag == CONSTANT_None)
- {
- unpack_abort("bad reference layout");
- break;
- }
- bool nullOK = false;
- if (*lp == 'N')
- {
- nullOK = true;
- lp++;
- }
- lp = parseIntLayout(lp, b, EK_REF);
- b->defc = coding::findBySpec(UNSIGNED5_spec);
- b->initRef(ixTag, nullOK);
- }
- break;
- case '[':
- {
- // [callable1][callable2]...
- if (!top_level)
- {
- unpack_abort("bad nested callable");
- break;
- }
- curCble += 1;
- band &cble = *U_NEW(band, 1);
- band_stack.add(&cble);
- cble.le_kind = EK_CBLE;
- cble.bn = bands_made++;
- lp = parseLayout(lp, cble.le_body, curCble);
- }
- break;
- case ']':
- // Hit a closing brace. This ends whatever body we were in.
- done = true;
- break;
- case '\0':
- // Hit a nullptr. Also ends the (top-level) body.
- --lp; // back up, so caller can see the nullptr also
- done = true;
- break;
- default:
- unpack_abort("bad layout");
- }
- }
-
- // Return the accumulated bands:
- res = popBody(bs_base);
- return lp;
+ int bs_base = band_stack.length();
+ bool top_level = (bs_base == 0);
+ band *b;
+ enum
+ {
+ can_be_signed = true
+ }; // optional arg to parseIntLayout
+
+ for (bool done = false; !done;)
+ {
+ switch (*lp++)
+ {
+ case 'B':
+ case 'H':
+ case 'I':
+ case 'V': // unsigned_int
+ case 'S': // signed_int
+ --lp; // reparse
+ case 'F':
+ lp = parseIntLayout(lp, b, EK_INT);
+ break;
+ case 'P':
+ {
+ int le_bci = EK_BCI;
+ if (*lp == 'O')
+ {
+ ++lp;
+ le_bci = EK_BCID;
+ }
+ assert(*lp != 'S'); // no PSH, etc.
+ lp = parseIntLayout(lp, b, EK_INT);
+ b->le_bci = le_bci;
+ if (le_bci == EK_BCI)
+ b->defc = coding::findBySpec(BCI5_spec);
+ else
+ b->defc = coding::findBySpec(BRANCH5_spec);
+ }
+ break;
+ case 'O':
+ lp = parseIntLayout(lp, b, EK_INT, can_be_signed);
+ b->le_bci = EK_BCO;
+ b->defc = coding::findBySpec(BRANCH5_spec);
+ break;
+ case 'N': // replication: 'N' uint32_t '[' elem ... ']'
+ lp = parseIntLayout(lp, b, EK_REPL);
+ assert(*lp == '[');
+ ++lp;
+ lp = parseLayout(lp, b->le_body, curCble);
+ break;
+ case 'T': // union: 'T' any_int union_case* '(' ')' '[' body ']'
+ lp = parseIntLayout(lp, b, EK_UN, can_be_signed);
+ {
+ int union_base = band_stack.length();
+ for (;;)
+ { // for each case
+ band &k_case = *U_NEW(band, 1);
+ band_stack.add(&k_case);
+ k_case.le_kind = EK_CASE;
+ k_case.bn = bands_made++;
+ if (*lp++ != '(')
+ {
+ unpack_abort("bad union case");
+ return "";
+ }
+ if (*lp++ != ')')
+ {
+ --lp; // reparse
+ // Read some case values. (Use band_stack for temp. storage.)
+ int case_base = band_stack.length();
+ for (;;)
+ {
+ int caseval = 0;
+ lp = parseNumeral(lp, caseval);
+ band_stack.add((void *)(size_t)caseval);
+ if (*lp == '-')
+ {
+ // new in version 160, allow (1-5) for (1,2,3,4,5)
+ if (u->majver < JAVA6_PACKAGE_MAJOR_VERSION)
+ {
+ unpack_abort(
+ "bad range in union case label (old archive format)");
+ return "";
+ }
+ int caselimit = caseval;
+ lp++;
+ lp = parseNumeral(lp, caselimit);
+ if (caseval >= caselimit ||
+ (uint32_t)(caselimit - caseval) > 0x10000)
+ {
+ // Note: 0x10000 is arbitrary implementation restriction.
+ // We can remove it later if it's important to.
+ unpack_abort("bad range in union case label");
+ }
+ for (;;)
+ {
+ ++caseval;
+ band_stack.add((void *)(size_t)caseval);
+ if (caseval == caselimit)
+ break;
+ }
+ }
+ if (*lp != ',')
+ break;
+ lp++;
+ }
+ if (*lp++ != ')')
+ {
+ unpack_abort("bad case label");
+ }
+ // save away the case labels
+ int ntags = band_stack.length() - case_base;
+ int *tags = U_NEW(int, add_size(ntags, 1));
+ k_case.le_casetags = tags;
+ *tags++ = ntags;
+ for (int i = 0; i < ntags; i++)
+ {
+ *tags++ = ptrlowbits(band_stack.get(case_base + i));
+ }
+ band_stack.popTo(case_base);
+ }
+ // Got le_casetags. Now grab the body.
+ assert(*lp == '[');
+ ++lp;
+ lp = parseLayout(lp, k_case.le_body, curCble);
+ if (k_case.le_casetags == nullptr)
+ break; // done
+ }
+ b->le_body = popBody(union_base);
+ }
+ break;
+ case '(': // call: '(' -?NN* ')'
+ {
+ band &call = *U_NEW(band, 1);
+ band_stack.add(&call);
+ call.le_kind = EK_CALL;
+ call.bn = bands_made++;
+ call.le_body = U_NEW(band *, 2); // fill in later
+ int call_num = 0;
+ lp = parseNumeral(lp, call_num);
+ call.le_back = (call_num <= 0);
+ call_num += curCble; // numeral is self-relative offset
+ call.le_len = call_num; // use le_len as scratch
+ calls_to_link.add(&call);
+ if (*lp++ != ')')
+ {
+ unpack_abort("bad call label");
+ }
+ }
+ break;
+ case 'K': // reference_type: constant_ref
+ case 'R': // reference_type: schema_ref
+ {
+ int ixTag = CONSTANT_None;
+ if (lp[-1] == 'K')
+ {
+ switch (*lp++)
+ {
+ case 'I':
+ ixTag = CONSTANT_Integer;
+ break;
+ case 'J':
+ ixTag = CONSTANT_Long;
+ break;
+ case 'F':
+ ixTag = CONSTANT_Float;
+ break;
+ case 'D':
+ ixTag = CONSTANT_Double;
+ break;
+ case 'S':
+ ixTag = CONSTANT_String;
+ break;
+ case 'Q':
+ ixTag = CONSTANT_Literal;
+ break;
+ }
+ }
+ else
+ {
+ switch (*lp++)
+ {
+ case 'C':
+ ixTag = CONSTANT_Class;
+ break;
+ case 'S':
+ ixTag = CONSTANT_Signature;
+ break;
+ case 'D':
+ ixTag = CONSTANT_NameandType;
+ break;
+ case 'F':
+ ixTag = CONSTANT_Fieldref;
+ break;
+ case 'M':
+ ixTag = CONSTANT_Methodref;
+ break;
+ case 'I':
+ ixTag = CONSTANT_InterfaceMethodref;
+ break;
+ case 'U':
+ ixTag = CONSTANT_Utf8;
+ break; // utf8_ref
+ case 'Q':
+ ixTag = CONSTANT_All;
+ break; // untyped_ref
+ }
+ }
+ if (ixTag == CONSTANT_None)
+ {
+ unpack_abort("bad reference layout");
+ break;
+ }
+ bool nullOK = false;
+ if (*lp == 'N')
+ {
+ nullOK = true;
+ lp++;
+ }
+ lp = parseIntLayout(lp, b, EK_REF);
+ b->defc = coding::findBySpec(UNSIGNED5_spec);
+ b->initRef(ixTag, nullOK);
+ }
+ break;
+ case '[':
+ {
+ // [callable1][callable2]...
+ if (!top_level)
+ {
+ unpack_abort("bad nested callable");
+ break;
+ }
+ curCble += 1;
+ band &cble = *U_NEW(band, 1);
+ band_stack.add(&cble);
+ cble.le_kind = EK_CBLE;
+ cble.bn = bands_made++;
+ lp = parseLayout(lp, cble.le_body, curCble);
+ }
+ break;
+ case ']':
+ // Hit a closing brace. This ends whatever body we were in.
+ done = true;
+ break;
+ case '\0':
+ // Hit a nullptr. Also ends the (top-level) body.
+ --lp; // back up, so caller can see the nullptr also
+ done = true;
+ break;
+ default:
+ unpack_abort("bad layout");
+ }
+ }
+
+ // Return the accumulated bands:
+ res = popBody(bs_base);
+ return lp;
}
void unpacker::read_attr_defs()
{
- int i;
-
- // Tell each AD which attrc it is and where its fixed flags are:
- attr_defs[ATTR_CONTEXT_CLASS].attrc = ATTR_CONTEXT_CLASS;
- attr_defs[ATTR_CONTEXT_CLASS].xxx_flags_hi_bn = e_class_flags_hi;
- attr_defs[ATTR_CONTEXT_FIELD].attrc = ATTR_CONTEXT_FIELD;
- attr_defs[ATTR_CONTEXT_FIELD].xxx_flags_hi_bn = e_field_flags_hi;
- attr_defs[ATTR_CONTEXT_METHOD].attrc = ATTR_CONTEXT_METHOD;
- attr_defs[ATTR_CONTEXT_METHOD].xxx_flags_hi_bn = e_method_flags_hi;
- attr_defs[ATTR_CONTEXT_CODE].attrc = ATTR_CONTEXT_CODE;
- attr_defs[ATTR_CONTEXT_CODE].xxx_flags_hi_bn = e_code_flags_hi;
-
- // Decide whether bands for the optional high flag words are present.
- attr_defs[ATTR_CONTEXT_CLASS]
- .setHaveLongFlags((archive_options & AO_HAVE_CLASS_FLAGS_HI) != 0);
- attr_defs[ATTR_CONTEXT_FIELD]
- .setHaveLongFlags((archive_options & AO_HAVE_FIELD_FLAGS_HI) != 0);
- attr_defs[ATTR_CONTEXT_METHOD]
- .setHaveLongFlags((archive_options & AO_HAVE_METHOD_FLAGS_HI) != 0);
- attr_defs[ATTR_CONTEXT_CODE]
- .setHaveLongFlags((archive_options & AO_HAVE_CODE_FLAGS_HI) != 0);
-
- // Set up built-in attrs.
- // (The simple ones are hard-coded. The metadata layouts are not.)
- const char *md_layout = (
+ int i;
+
+ // Tell each AD which attrc it is and where its fixed flags are:
+ attr_defs[ATTR_CONTEXT_CLASS].attrc = ATTR_CONTEXT_CLASS;
+ attr_defs[ATTR_CONTEXT_CLASS].xxx_flags_hi_bn = e_class_flags_hi;
+ attr_defs[ATTR_CONTEXT_FIELD].attrc = ATTR_CONTEXT_FIELD;
+ attr_defs[ATTR_CONTEXT_FIELD].xxx_flags_hi_bn = e_field_flags_hi;
+ attr_defs[ATTR_CONTEXT_METHOD].attrc = ATTR_CONTEXT_METHOD;
+ attr_defs[ATTR_CONTEXT_METHOD].xxx_flags_hi_bn = e_method_flags_hi;
+ attr_defs[ATTR_CONTEXT_CODE].attrc = ATTR_CONTEXT_CODE;
+ attr_defs[ATTR_CONTEXT_CODE].xxx_flags_hi_bn = e_code_flags_hi;
+
+ // Decide whether bands for the optional high flag words are present.
+ attr_defs[ATTR_CONTEXT_CLASS]
+ .setHaveLongFlags((archive_options & AO_HAVE_CLASS_FLAGS_HI) != 0);
+ attr_defs[ATTR_CONTEXT_FIELD]
+ .setHaveLongFlags((archive_options & AO_HAVE_FIELD_FLAGS_HI) != 0);
+ attr_defs[ATTR_CONTEXT_METHOD]
+ .setHaveLongFlags((archive_options & AO_HAVE_METHOD_FLAGS_HI) != 0);
+ attr_defs[ATTR_CONTEXT_CODE]
+ .setHaveLongFlags((archive_options & AO_HAVE_CODE_FLAGS_HI) != 0);
+
+ // Set up built-in attrs.
+ // (The simple ones are hard-coded. The metadata layouts are not.)
+ const char *md_layout = (
// parameter annotations:
#define MDL0 "[NB[(1)]]"
- MDL0
+ MDL0
// annotations:
#define MDL1 \
- "[NH[(1)]]" \
- "[RSHNH[RUH(1)]]"
- MDL1
- // member_value:
- "[TB"
- "(66,67,73,83,90)[KIH]"
- "(68)[KDH]"
- "(70)[KFH]"
- "(74)[KJH]"
- "(99)[RSH]"
- "(101)[RSHRUH]"
- "(115)[RUH]"
- "(91)[NH[(0)]]"
- "(64)["
- // nested annotation:
- "RSH"
- "NH[RUH(0)]"
- "]"
- "()[]"
- "]");
-
- const char *md_layout_P = md_layout;
- const char *md_layout_A = md_layout + strlen(MDL0);
- const char *md_layout_V = md_layout + strlen(MDL0 MDL1);
- assert(0 == strncmp(&md_layout_A[-3], ")]][", 4));
- assert(0 == strncmp(&md_layout_V[-3], ")]][", 4));
-
- for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
- {
- attr_definitions &ad = attr_defs[i];
- ad.defineLayout(X_ATTR_RuntimeVisibleAnnotations, "RuntimeVisibleAnnotations",
- md_layout_A);
- ad.defineLayout(X_ATTR_RuntimeInvisibleAnnotations, "RuntimeInvisibleAnnotations",
- md_layout_A);
- if (i != ATTR_CONTEXT_METHOD)
- continue;
- ad.defineLayout(METHOD_ATTR_RuntimeVisibleParameterAnnotations,
- "RuntimeVisibleParameterAnnotations", md_layout_P);
- ad.defineLayout(METHOD_ATTR_RuntimeInvisibleParameterAnnotations,
- "RuntimeInvisibleParameterAnnotations", md_layout_P);
- ad.defineLayout(METHOD_ATTR_AnnotationDefault, "AnnotationDefault", md_layout_V);
- }
-
- attr_definition_headers.readData(attr_definition_count);
- attr_definition_name.readData(attr_definition_count);
- attr_definition_layout.readData(attr_definition_count);
+ "[NH[(1)]]" \
+ "[RSHNH[RUH(1)]]"
+ MDL1
+ // member_value:
+ "[TB"
+ "(66,67,73,83,90)[KIH]"
+ "(68)[KDH]"
+ "(70)[KFH]"
+ "(74)[KJH]"
+ "(99)[RSH]"
+ "(101)[RSHRUH]"
+ "(115)[RUH]"
+ "(91)[NH[(0)]]"
+ "(64)["
+ // nested annotation:
+ "RSH"
+ "NH[RUH(0)]"
+ "]"
+ "()[]"
+ "]");
+
+ const char *md_layout_P = md_layout;
+ const char *md_layout_A = md_layout + strlen(MDL0);
+ const char *md_layout_V = md_layout + strlen(MDL0 MDL1);
+ assert(0 == strncmp(&md_layout_A[-3], ")]][", 4));
+ assert(0 == strncmp(&md_layout_V[-3], ")]][", 4));
+
+ for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
+ {
+ attr_definitions &ad = attr_defs[i];
+ ad.defineLayout(X_ATTR_RuntimeVisibleAnnotations, "RuntimeVisibleAnnotations",
+ md_layout_A);
+ ad.defineLayout(X_ATTR_RuntimeInvisibleAnnotations, "RuntimeInvisibleAnnotations",
+ md_layout_A);
+ if (i != ATTR_CONTEXT_METHOD)
+ continue;
+ ad.defineLayout(METHOD_ATTR_RuntimeVisibleParameterAnnotations,
+ "RuntimeVisibleParameterAnnotations", md_layout_P);
+ ad.defineLayout(METHOD_ATTR_RuntimeInvisibleParameterAnnotations,
+ "RuntimeInvisibleParameterAnnotations", md_layout_P);
+ ad.defineLayout(METHOD_ATTR_AnnotationDefault, "AnnotationDefault", md_layout_V);
+ }
+
+ attr_definition_headers.readData(attr_definition_count);
+ attr_definition_name.readData(attr_definition_count);
+ attr_definition_layout.readData(attr_definition_count);
// Initialize correct predef bits, to distinguish predefs from new defs.
#define ORBIT(n, s) | ((uint64_t)1 << n)
- attr_defs[ATTR_CONTEXT_CLASS].predef = (0 X_ATTR_DO(ORBIT) CLASS_ATTR_DO(ORBIT));
- attr_defs[ATTR_CONTEXT_FIELD].predef = (0 X_ATTR_DO(ORBIT) FIELD_ATTR_DO(ORBIT));
- attr_defs[ATTR_CONTEXT_METHOD].predef = (0 X_ATTR_DO(ORBIT) METHOD_ATTR_DO(ORBIT));
- attr_defs[ATTR_CONTEXT_CODE].predef = (0 O_ATTR_DO(ORBIT) CODE_ATTR_DO(ORBIT));
+ attr_defs[ATTR_CONTEXT_CLASS].predef = (0 X_ATTR_DO(ORBIT) CLASS_ATTR_DO(ORBIT));
+ attr_defs[ATTR_CONTEXT_FIELD].predef = (0 X_ATTR_DO(ORBIT) FIELD_ATTR_DO(ORBIT));
+ attr_defs[ATTR_CONTEXT_METHOD].predef = (0 X_ATTR_DO(ORBIT) METHOD_ATTR_DO(ORBIT));
+ attr_defs[ATTR_CONTEXT_CODE].predef = (0 O_ATTR_DO(ORBIT) CODE_ATTR_DO(ORBIT));
#undef ORBIT
- // Clear out the redef bits, folding them back into predef.
- for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
- {
- attr_defs[i].predef |= attr_defs[i].redef;
- attr_defs[i].redef = 0;
- }
-
- // Now read the transmitted locally defined attrs.
- // This will set redef bits again.
- for (i = 0; i < attr_definition_count; i++)
- {
- int header = attr_definition_headers.getByte();
- int attrc = ADH_BYTE_CONTEXT(header);
- int idx = ADH_BYTE_INDEX(header);
- entry *name = attr_definition_name.getRef();
- entry *layout = attr_definition_layout.getRef();
- attr_defs[attrc].defineLayout(idx, name, layout->value.b.strval());
- }
+ // Clear out the redef bits, folding them back into predef.
+ for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
+ {
+ attr_defs[i].predef |= attr_defs[i].redef;
+ attr_defs[i].redef = 0;
+ }
+
+ // Now read the transmitted locally defined attrs.
+ // This will set redef bits again.
+ for (i = 0; i < attr_definition_count; i++)
+ {
+ int header = attr_definition_headers.getByte();
+ int attrc = ADH_BYTE_CONTEXT(header);
+ int idx = ADH_BYTE_INDEX(header);
+ entry *name = attr_definition_name.getRef();
+ entry *layout = attr_definition_layout.getRef();
+ attr_defs[attrc].defineLayout(idx, name, layout->value.b.strval());
+ }
}
#define NO_ENTRY_YET ((entry *)-1)
static bool isDigitString(bytes &x, int beg, int end)
{
- if (beg == end)
- return false; // nullptr string
- byte *xptr = x.ptr;
- for (int i = beg; i < end; i++)
- {
- char ch = xptr[i];
- if (!(ch >= '0' && ch <= '9'))
- return false;
- }
- return true;
+ if (beg == end)
+ return false; // nullptr string
+ byte *xptr = x.ptr;
+ for (int i = beg; i < end; i++)
+ {
+ char ch = xptr[i];
+ if (!(ch >= '0' && ch <= '9'))
+ return false;
+ }
+ return true;
}
enum
{ // constants for parsing class names
- SLASH_MIN = '.',
- SLASH_MAX = '/',
- DOLLAR_MIN = 0,
- DOLLAR_MAX = '-'};
+ SLASH_MIN = '.',
+ SLASH_MAX = '/',
+ DOLLAR_MIN = 0,
+ DOLLAR_MAX = '-'};
static int lastIndexOf(int chmin, int chmax, bytes &x, int pos)
{
- byte *ptr = x.ptr;
- for (byte *cp = ptr + pos; --cp >= ptr;)
- {
- assert(x.inBounds(cp));
- if (*cp >= chmin && *cp <= chmax)
- return (int)(cp - ptr);
- }
- return -1;
+ byte *ptr = x.ptr;
+ for (byte *cp = ptr + pos; --cp >= ptr;)
+ {
+ assert(x.inBounds(cp));
+ if (*cp >= chmin && *cp <= chmax)
+ return (int)(cp - ptr);
+ }
+ return -1;
}
inner_class *constant_pool::getIC(entry *inner)
{
- if (inner == nullptr)
- return nullptr;
- assert(inner->tag == CONSTANT_Class);
- if (inner->inord == NO_INORD)
- return nullptr;
- inner_class *ic = ic_index[inner->inord];
- assert(ic == nullptr || ic->inner == inner);
- return ic;
+ if (inner == nullptr)
+ return nullptr;
+ assert(inner->tag == CONSTANT_Class);
+ if (inner->inord == NO_INORD)
+ return nullptr;
+ inner_class *ic = ic_index[inner->inord];
+ assert(ic == nullptr || ic->inner == inner);
+ return ic;
}
inner_class *constant_pool::getFirstChildIC(entry *outer)
{
- if (outer == nullptr)
- return nullptr;
- assert(outer->tag == CONSTANT_Class);
- if (outer->inord == NO_INORD)
- return nullptr;
- inner_class *ic = ic_child_index[outer->inord];
- assert(ic == nullptr || ic->outer == outer);
- return ic;
+ if (outer == nullptr)
+ return nullptr;
+ assert(outer->tag == CONSTANT_Class);
+ if (outer->inord == NO_INORD)
+ return nullptr;
+ inner_class *ic = ic_child_index[outer->inord];
+ assert(ic == nullptr || ic->outer == outer);
+ return ic;
}
inner_class *constant_pool::getNextChildIC(inner_class *child)
{
- inner_class *ic = child->next_sibling;
- assert(ic == nullptr || ic->outer == child->outer);
- return ic;
+ inner_class *ic = child->next_sibling;
+ assert(ic == nullptr || ic->outer == child->outer);
+ return ic;
}
void unpacker::read_ics()
{
- int i;
- int index_size = cp.tag_count[CONSTANT_Class];
- inner_class **ic_index = U_NEW(inner_class *, index_size);
- inner_class **ic_child_index = U_NEW(inner_class *, index_size);
- cp.ic_index = ic_index;
- cp.ic_child_index = ic_child_index;
- ics = U_NEW(inner_class, ic_count);
- ic_this_class.readData(ic_count);
- ic_flags.readData(ic_count);
- // Scan flags to get count of long-form bands.
- int long_forms = 0;
- for (i = 0; i < ic_count; i++)
- {
- int flags = ic_flags.getInt(); // may be long form!
- if ((flags & ACC_IC_LONG_FORM) != 0)
- {
- long_forms += 1;
- ics[i].name = NO_ENTRY_YET;
- }
- flags &= ~ACC_IC_LONG_FORM;
- entry *inner = ic_this_class.getRef();
- uint32_t inord = inner->inord;
- assert(inord < (uint32_t)cp.tag_count[CONSTANT_Class]);
- if (ic_index[inord] != nullptr)
- {
- unpack_abort("identical inner class");
- break;
- }
- ic_index[inord] = &ics[i];
- ics[i].inner = inner;
- ics[i].flags = flags;
- assert(cp.getIC(inner) == &ics[i]);
- }
- // ic_this_class.done();
- // ic_flags.done();
- ic_outer_class.readData(long_forms);
- ic_name.readData(long_forms);
- for (i = 0; i < ic_count; i++)
- {
- if (ics[i].name == NO_ENTRY_YET)
- {
- // Long form.
- ics[i].outer = ic_outer_class.getRefN();
- ics[i].name = ic_name.getRefN();
- }
- else
- {
- // Fill in outer and name based on inner.
- bytes &n = ics[i].inner->value.b;
- bytes pkgOuter;
- bytes number;
- bytes name;
- // Parse n into pkgOuter and name (and number).
- int dollar1, dollar2; // pointers to $ in the pattern
- // parse n = (<pkg>/)*<outer>($<number>)?($<name>)?
- int nlen = (int)n.len;
- int pkglen = lastIndexOf(SLASH_MIN, SLASH_MAX, n, nlen) + 1;
- dollar2 = lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, n, nlen);
- if (dollar2 < 0)
- {
- unpack_abort();
- }
- assert(dollar2 >= pkglen);
- if (isDigitString(n, dollar2 + 1, nlen))
- {
- // n = (<pkg>/)*<outer>$<number>
- number = n.slice(dollar2 + 1, nlen);
- name.set(nullptr, 0);
- dollar1 = dollar2;
- }
- else if (pkglen < (dollar1 = lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, n, dollar2 - 1)) &&
- isDigitString(n, dollar1 + 1, dollar2))
- {
- // n = (<pkg>/)*<outer>$<number>$<name>
- number = n.slice(dollar1 + 1, dollar2);
- name = n.slice(dollar2 + 1, nlen);
- }
- else
- {
- // n = (<pkg>/)*<outer>$<name>
- dollar1 = dollar2;
- number.set(nullptr, 0);
- name = n.slice(dollar2 + 1, nlen);
- }
- if (number.ptr == nullptr)
- pkgOuter = n.slice(0, dollar1);
- else
- pkgOuter.set(nullptr, 0);
-
- if (pkgOuter.ptr != nullptr)
- ics[i].outer = cp.ensureClass(pkgOuter);
-
- if (name.ptr != nullptr)
- ics[i].name = cp.ensureUtf8(name);
- }
-
- // update child/sibling list
- if (ics[i].outer != nullptr)
- {
- uint32_t outord = ics[i].outer->inord;
- if (outord != NO_INORD)
- {
- assert(outord < (uint32_t)cp.tag_count[CONSTANT_Class]);
- ics[i].next_sibling = ic_child_index[outord];
- ic_child_index[outord] = &ics[i];
- }
- }
- }
- // ic_outer_class.done();
- // ic_name.done();
+ int i;
+ int index_size = cp.tag_count[CONSTANT_Class];
+ inner_class **ic_index = U_NEW(inner_class *, index_size);
+ inner_class **ic_child_index = U_NEW(inner_class *, index_size);
+ cp.ic_index = ic_index;
+ cp.ic_child_index = ic_child_index;
+ ics = U_NEW(inner_class, ic_count);
+ ic_this_class.readData(ic_count);
+ ic_flags.readData(ic_count);
+ // Scan flags to get count of long-form bands.
+ int long_forms = 0;
+ for (i = 0; i < ic_count; i++)
+ {
+ int flags = ic_flags.getInt(); // may be long form!
+ if ((flags & ACC_IC_LONG_FORM) != 0)
+ {
+ long_forms += 1;
+ ics[i].name = NO_ENTRY_YET;
+ }
+ flags &= ~ACC_IC_LONG_FORM;
+ entry *inner = ic_this_class.getRef();
+ uint32_t inord = inner->inord;
+ assert(inord < (uint32_t)cp.tag_count[CONSTANT_Class]);
+ if (ic_index[inord] != nullptr)
+ {
+ unpack_abort("identical inner class");
+ break;
+ }
+ ic_index[inord] = &ics[i];
+ ics[i].inner = inner;
+ ics[i].flags = flags;
+ assert(cp.getIC(inner) == &ics[i]);
+ }
+ // ic_this_class.done();
+ // ic_flags.done();
+ ic_outer_class.readData(long_forms);
+ ic_name.readData(long_forms);
+ for (i = 0; i < ic_count; i++)
+ {
+ if (ics[i].name == NO_ENTRY_YET)
+ {
+ // Long form.
+ ics[i].outer = ic_outer_class.getRefN();
+ ics[i].name = ic_name.getRefN();
+ }
+ else
+ {
+ // Fill in outer and name based on inner.
+ bytes &n = ics[i].inner->value.b;
+ bytes pkgOuter;
+ bytes number;
+ bytes name;
+ // Parse n into pkgOuter and name (and number).
+ int dollar1, dollar2; // pointers to $ in the pattern
+ // parse n = (<pkg>/)*<outer>($<number>)?($<name>)?
+ int nlen = (int)n.len;
+ int pkglen = lastIndexOf(SLASH_MIN, SLASH_MAX, n, nlen) + 1;
+ dollar2 = lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, n, nlen);
+ if (dollar2 < 0)
+ {
+ unpack_abort();
+ }
+ assert(dollar2 >= pkglen);
+ if (isDigitString(n, dollar2 + 1, nlen))
+ {
+ // n = (<pkg>/)*<outer>$<number>
+ number = n.slice(dollar2 + 1, nlen);
+ name.set(nullptr, 0);
+ dollar1 = dollar2;
+ }
+ else if (pkglen < (dollar1 = lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, n, dollar2 - 1)) &&
+ isDigitString(n, dollar1 + 1, dollar2))
+ {
+ // n = (<pkg>/)*<outer>$<number>$<name>
+ number = n.slice(dollar1 + 1, dollar2);
+ name = n.slice(dollar2 + 1, nlen);
+ }
+ else
+ {
+ // n = (<pkg>/)*<outer>$<name>
+ dollar1 = dollar2;
+ number.set(nullptr, 0);
+ name = n.slice(dollar2 + 1, nlen);
+ }
+ if (number.ptr == nullptr)
+ pkgOuter = n.slice(0, dollar1);
+ else
+ pkgOuter.set(nullptr, 0);
+
+ if (pkgOuter.ptr != nullptr)
+ ics[i].outer = cp.ensureClass(pkgOuter);
+
+ if (name.ptr != nullptr)
+ ics[i].name = cp.ensureUtf8(name);
+ }
+
+ // update child/sibling list
+ if (ics[i].outer != nullptr)
+ {
+ uint32_t outord = ics[i].outer->inord;
+ if (outord != NO_INORD)
+ {
+ assert(outord < (uint32_t)cp.tag_count[CONSTANT_Class]);
+ ics[i].next_sibling = ic_child_index[outord];
+ ic_child_index[outord] = &ics[i];
+ }
+ }
+ }
+ // ic_outer_class.done();
+ // ic_name.done();
}
void unpacker::read_classes()
{
- class_this.readData(class_count);
- class_super.readData(class_count);
- class_interface_count.readData(class_count);
- class_interface.readData(class_interface_count.getIntTotal());
+ class_this.readData(class_count);
+ class_super.readData(class_count);
+ class_interface_count.readData(class_count);
+ class_interface.readData(class_interface_count.getIntTotal());
#if 0
int i;
@@ -2256,1218 +2250,1220 @@ void unpacker::read_classes()
class_super.rewind();
#endif
- // Members.
- class_field_count.readData(class_count);
- class_method_count.readData(class_count);
+ // Members.
+ class_field_count.readData(class_count);
+ class_method_count.readData(class_count);
- int field_count = class_field_count.getIntTotal();
- int method_count = class_method_count.getIntTotal();
+ int field_count = class_field_count.getIntTotal();
+ int method_count = class_method_count.getIntTotal();
- field_descr.readData(field_count);
- read_attrs(ATTR_CONTEXT_FIELD, field_count);
- method_descr.readData(method_count);
- read_attrs(ATTR_CONTEXT_METHOD, method_count);
- read_attrs(ATTR_CONTEXT_CLASS, class_count);
- read_code_headers();
+ field_descr.readData(field_count);
+ read_attrs(ATTR_CONTEXT_FIELD, field_count);
+ method_descr.readData(method_count);
+ read_attrs(ATTR_CONTEXT_METHOD, method_count);
+ read_attrs(ATTR_CONTEXT_CLASS, class_count);
+ read_code_headers();
}
int unpacker::attr_definitions::predefCount(uint32_t idx)
{
- return isPredefined(idx) ? flag_count[idx] : 0;
+ return isPredefined(idx) ? flag_count[idx] : 0;
}
void unpacker::read_attrs(int attrc, int obj_count)
{
- attr_definitions &ad = attr_defs[attrc];
- assert(ad.attrc == attrc);
-
- int i, idx, count;
-
- bool haveLongFlags = ad.haveLongFlags();
-
- band &xxx_flags_hi = ad.xxx_flags_hi();
- if (haveLongFlags)
- xxx_flags_hi.readData(obj_count);
-
- band &xxx_flags_lo = ad.xxx_flags_lo();
- xxx_flags_lo.readData(obj_count);
-
- // pre-scan flags, counting occurrences of each index bit
- uint64_t indexMask = ad.flagIndexMask(); // which flag bits are index bits?
- for (i = 0; i < obj_count; i++)
- {
- uint64_t indexBits = xxx_flags_hi.getLong(xxx_flags_lo, haveLongFlags);
- if ((indexBits & ~indexMask) > (ushort) - 1)
- {
- unpack_abort("undefined attribute flag bit");
- return;
- }
- indexBits &= indexMask; // ignore classfile flag bits
- for (idx = 0; indexBits != 0; idx++, indexBits >>= 1)
- {
- ad.flag_count[idx] += (int)(indexBits & 1);
- }
- }
- // we'll scan these again later for output:
- xxx_flags_lo.rewind();
- xxx_flags_hi.rewind();
-
- band &xxx_attr_count = ad.xxx_attr_count();
- // There is one count element for each 1<<16 bit set in flags:
- xxx_attr_count.readData(ad.predefCount(X_ATTR_OVERFLOW));
-
- band &xxx_attr_indexes = ad.xxx_attr_indexes();
- int overflowIndexCount = xxx_attr_count.getIntTotal();
- xxx_attr_indexes.readData(overflowIndexCount);
- // pre-scan attr indexes, counting occurrences of each value
- for (i = 0; i < overflowIndexCount; i++)
- {
- idx = xxx_attr_indexes.getInt();
- if (!ad.isIndex(idx))
- {
- unpack_abort("attribute index out of bounds");
- return;
- }
- ad.getCount(idx) += 1;
- }
- xxx_attr_indexes.rewind(); // we'll scan it again later for output
-
- // We will need a backward call count for each used backward callable.
- int backwardCounts = 0;
- for (idx = 0; idx < ad.layouts.length(); idx++)
- {
- layout_definition *lo = ad.getLayout(idx);
- if (lo != nullptr && ad.getCount(idx) != 0)
- {
- // Build the bands lazily, only when they are used.
- band **bands = ad.buildBands(lo);
- if (lo->hasCallables())
- {
- for (i = 0; bands[i] != nullptr; i++)
- {
- if (bands[i]->le_back)
- {
- assert(bands[i]->le_kind == EK_CBLE);
- backwardCounts += 1;
- }
- }
- }
- }
- }
- ad.xxx_attr_calls().readData(backwardCounts);
-
- // Read built-in bands.
- // Mostly, these are hand-coded equivalents to readBandData().
- switch (attrc)
- {
- case ATTR_CONTEXT_CLASS:
-
- count = ad.predefCount(CLASS_ATTR_SourceFile);
- class_SourceFile_RUN.readData(count);
-
- count = ad.predefCount(CLASS_ATTR_EnclosingMethod);
- class_EnclosingMethod_RC.readData(count);
- class_EnclosingMethod_RDN.readData(count);
-
- count = ad.predefCount(X_ATTR_Signature);
- class_Signature_RS.readData(count);
-
- ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
- ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
-
- count = ad.predefCount(CLASS_ATTR_InnerClasses);
- class_InnerClasses_N.readData(count);
-
- count = class_InnerClasses_N.getIntTotal();
- class_InnerClasses_RC.readData(count);
- class_InnerClasses_F.readData(count);
-
- // Drop remaining columns wherever flags are zero:
- count -= class_InnerClasses_F.getIntCount(0);
- class_InnerClasses_outer_RCN.readData(count);
- class_InnerClasses_name_RUN.readData(count);
-
- count = ad.predefCount(CLASS_ATTR_ClassFile_version);
- class_ClassFile_version_minor_H.readData(count);
- class_ClassFile_version_major_H.readData(count);
- break;
-
- case ATTR_CONTEXT_FIELD:
-
- count = ad.predefCount(FIELD_ATTR_ConstantValue);
- field_ConstantValue_KQ.readData(count);
-
- count = ad.predefCount(X_ATTR_Signature);
- field_Signature_RS.readData(count);
-
- ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
- ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
- break;
-
- case ATTR_CONTEXT_METHOD:
-
- code_count = ad.predefCount(METHOD_ATTR_Code);
- // Code attrs are handled very specially below...
-
- count = ad.predefCount(METHOD_ATTR_Exceptions);
- method_Exceptions_N.readData(count);
- count = method_Exceptions_N.getIntTotal();
- method_Exceptions_RC.readData(count);
-
- count = ad.predefCount(X_ATTR_Signature);
- method_Signature_RS.readData(count);
-
- ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
- ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
- ad.readBandData(METHOD_ATTR_RuntimeVisibleParameterAnnotations);
- ad.readBandData(METHOD_ATTR_RuntimeInvisibleParameterAnnotations);
- ad.readBandData(METHOD_ATTR_AnnotationDefault);
- break;
-
- case ATTR_CONTEXT_CODE:
- // (keep this code aligned with its brother in unpacker::write_attrs)
- count = ad.predefCount(CODE_ATTR_StackMapTable);
- // disable this feature in old archives!
- if (count != 0 && majver < JAVA6_PACKAGE_MAJOR_VERSION)
- {
- unpack_abort("undefined StackMapTable attribute (old archive format)");
- return;
- }
- code_StackMapTable_N.readData(count);
- count = code_StackMapTable_N.getIntTotal();
- code_StackMapTable_frame_T.readData(count);
- // the rest of it depends in a complicated way on frame tags
- {
- int fat_frame_count = 0;
- int offset_count = 0;
- int type_count = 0;
- for (int k = 0; k < count; k++)
- {
- int tag = code_StackMapTable_frame_T.getByte();
- if (tag <= 127)
- {
- // (64-127) [(2)]
- if (tag >= 64)
- type_count++;
- }
- else if (tag <= 251)
- {
- // (247) [(1)(2)]
- // (248-251) [(1)]
- if (tag >= 247)
- offset_count++;
- if (tag == 247)
- type_count++;
- }
- else if (tag <= 254)
- {
- // (252) [(1)(2)]
- // (253) [(1)(2)(2)]
- // (254) [(1)(2)(2)(2)]
- offset_count++;
- type_count += (tag - 251);
- }
- else
- {
- // (255) [(1)NH[(2)]NH[(2)]]
- fat_frame_count++;
- }
- }
-
- // done pre-scanning frame tags:
- code_StackMapTable_frame_T.rewind();
-
- // deal completely with fat frames:
- offset_count += fat_frame_count;
- code_StackMapTable_local_N.readData(fat_frame_count);
- type_count += code_StackMapTable_local_N.getIntTotal();
- code_StackMapTable_stack_N.readData(fat_frame_count);
- type_count += code_StackMapTable_stack_N.getIntTotal();
- // read the rest:
- code_StackMapTable_offset.readData(offset_count);
- code_StackMapTable_T.readData(type_count);
- // (7) [RCH]
- count = code_StackMapTable_T.getIntCount(7);
- code_StackMapTable_RC.readData(count);
- // (8) [PH]
- count = code_StackMapTable_T.getIntCount(8);
- code_StackMapTable_P.readData(count);
- }
-
- count = ad.predefCount(CODE_ATTR_LineNumberTable);
- code_LineNumberTable_N.readData(count);
- count = code_LineNumberTable_N.getIntTotal();
- code_LineNumberTable_bci_P.readData(count);
- code_LineNumberTable_line.readData(count);
-
- count = ad.predefCount(CODE_ATTR_LocalVariableTable);
- code_LocalVariableTable_N.readData(count);
- count = code_LocalVariableTable_N.getIntTotal();
- code_LocalVariableTable_bci_P.readData(count);
- code_LocalVariableTable_span_O.readData(count);
- code_LocalVariableTable_name_RU.readData(count);
- code_LocalVariableTable_type_RS.readData(count);
- code_LocalVariableTable_slot.readData(count);
-
- count = ad.predefCount(CODE_ATTR_LocalVariableTypeTable);
- code_LocalVariableTypeTable_N.readData(count);
- count = code_LocalVariableTypeTable_N.getIntTotal();
- code_LocalVariableTypeTable_bci_P.readData(count);
- code_LocalVariableTypeTable_span_O.readData(count);
- code_LocalVariableTypeTable_name_RU.readData(count);
- code_LocalVariableTypeTable_type_RS.readData(count);
- code_LocalVariableTypeTable_slot.readData(count);
- break;
- }
-
- // Read compressor-defined bands.
- for (idx = 0; idx < ad.layouts.length(); idx++)
- {
- if (ad.getLayout(idx) == nullptr)
- continue; // none at this fixed index <32
- if (idx < (int)ad.flag_limit && ad.isPredefined(idx))
- continue; // already handled
- if (ad.getCount(idx) == 0)
- continue; // no attributes of this type (then why transmit layouts?)
- ad.readBandData(idx);
- }
+ attr_definitions &ad = attr_defs[attrc];
+ assert(ad.attrc == attrc);
+
+ int i, idx, count;
+
+ bool haveLongFlags = ad.haveLongFlags();
+
+ band &xxx_flags_hi = ad.xxx_flags_hi();
+ if (haveLongFlags)
+ xxx_flags_hi.readData(obj_count);
+
+ band &xxx_flags_lo = ad.xxx_flags_lo();
+ xxx_flags_lo.readData(obj_count);
+
+ // pre-scan flags, counting occurrences of each index bit
+ uint64_t indexMask = ad.flagIndexMask(); // which flag bits are index bits?
+ for (i = 0; i < obj_count; i++)
+ {
+ uint64_t indexBits = xxx_flags_hi.getLong(xxx_flags_lo, haveLongFlags);
+ if ((indexBits & ~indexMask) > (ushort) - 1)
+ {
+ unpack_abort("undefined attribute flag bit");
+ return;
+ }
+ indexBits &= indexMask; // ignore classfile flag bits
+ for (idx = 0; indexBits != 0; idx++, indexBits >>= 1)
+ {
+ ad.flag_count[idx] += (int)(indexBits & 1);
+ }
+ }
+ // we'll scan these again later for output:
+ xxx_flags_lo.rewind();
+ xxx_flags_hi.rewind();
+
+ band &xxx_attr_count = ad.xxx_attr_count();
+ // There is one count element for each 1<<16 bit set in flags:
+ xxx_attr_count.readData(ad.predefCount(X_ATTR_OVERFLOW));
+
+ band &xxx_attr_indexes = ad.xxx_attr_indexes();
+ int overflowIndexCount = xxx_attr_count.getIntTotal();
+ xxx_attr_indexes.readData(overflowIndexCount);
+ // pre-scan attr indexes, counting occurrences of each value
+ for (i = 0; i < overflowIndexCount; i++)
+ {
+ idx = xxx_attr_indexes.getInt();
+ if (!ad.isIndex(idx))
+ {
+ unpack_abort("attribute index out of bounds");
+ return;
+ }
+ ad.getCount(idx) += 1;
+ }
+ xxx_attr_indexes.rewind(); // we'll scan it again later for output
+
+ // We will need a backward call count for each used backward callable.
+ int backwardCounts = 0;
+ for (idx = 0; idx < ad.layouts.length(); idx++)
+ {
+ layout_definition *lo = ad.getLayout(idx);
+ if (lo != nullptr && ad.getCount(idx) != 0)
+ {
+ // Build the bands lazily, only when they are used.
+ band **bands = ad.buildBands(lo);
+ if (lo->hasCallables())
+ {
+ for (i = 0; bands[i] != nullptr; i++)
+ {
+ if (bands[i]->le_back)
+ {
+ assert(bands[i]->le_kind == EK_CBLE);
+ backwardCounts += 1;
+ }
+ }
+ }
+ }
+ }
+ ad.xxx_attr_calls().readData(backwardCounts);
+
+ // Read built-in bands.
+ // Mostly, these are hand-coded equivalents to readBandData().
+ switch (attrc)
+ {
+ case ATTR_CONTEXT_CLASS:
+
+ count = ad.predefCount(CLASS_ATTR_SourceFile);
+ class_SourceFile_RUN.readData(count);
+
+ count = ad.predefCount(CLASS_ATTR_EnclosingMethod);
+ class_EnclosingMethod_RC.readData(count);
+ class_EnclosingMethod_RDN.readData(count);
+
+ count = ad.predefCount(X_ATTR_Signature);
+ class_Signature_RS.readData(count);
+
+ ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
+ ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
+
+ count = ad.predefCount(CLASS_ATTR_InnerClasses);
+ class_InnerClasses_N.readData(count);
+
+ count = class_InnerClasses_N.getIntTotal();
+ class_InnerClasses_RC.readData(count);
+ class_InnerClasses_F.readData(count);
+
+ // Drop remaining columns wherever flags are zero:
+ count -= class_InnerClasses_F.getIntCount(0);
+ class_InnerClasses_outer_RCN.readData(count);
+ class_InnerClasses_name_RUN.readData(count);
+
+ count = ad.predefCount(CLASS_ATTR_ClassFile_version);
+ class_ClassFile_version_minor_H.readData(count);
+ class_ClassFile_version_major_H.readData(count);
+ break;
+
+ case ATTR_CONTEXT_FIELD:
+
+ count = ad.predefCount(FIELD_ATTR_ConstantValue);
+ field_ConstantValue_KQ.readData(count);
+
+ count = ad.predefCount(X_ATTR_Signature);
+ field_Signature_RS.readData(count);
+
+ ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
+ ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
+ break;
+
+ case ATTR_CONTEXT_METHOD:
+
+ code_count = ad.predefCount(METHOD_ATTR_Code);
+ // Code attrs are handled very specially below...
+
+ count = ad.predefCount(METHOD_ATTR_Exceptions);
+ method_Exceptions_N.readData(count);
+ count = method_Exceptions_N.getIntTotal();
+ method_Exceptions_RC.readData(count);
+
+ count = ad.predefCount(X_ATTR_Signature);
+ method_Signature_RS.readData(count);
+
+ ad.readBandData(X_ATTR_RuntimeVisibleAnnotations);
+ ad.readBandData(X_ATTR_RuntimeInvisibleAnnotations);
+ ad.readBandData(METHOD_ATTR_RuntimeVisibleParameterAnnotations);
+ ad.readBandData(METHOD_ATTR_RuntimeInvisibleParameterAnnotations);
+ ad.readBandData(METHOD_ATTR_AnnotationDefault);
+ break;
+
+ case ATTR_CONTEXT_CODE:
+ // (keep this code aligned with its brother in unpacker::write_attrs)
+ count = ad.predefCount(CODE_ATTR_StackMapTable);
+ // disable this feature in old archives!
+ if (count != 0 && majver < JAVA6_PACKAGE_MAJOR_VERSION)
+ {
+ unpack_abort("undefined StackMapTable attribute (old archive format)");
+ return;
+ }
+ code_StackMapTable_N.readData(count);
+ count = code_StackMapTable_N.getIntTotal();
+ code_StackMapTable_frame_T.readData(count);
+ // the rest of it depends in a complicated way on frame tags
+ {
+ int fat_frame_count = 0;
+ int offset_count = 0;
+ int type_count = 0;
+ for (int k = 0; k < count; k++)
+ {
+ int tag = code_StackMapTable_frame_T.getByte();
+ if (tag <= 127)
+ {
+ // (64-127) [(2)]
+ if (tag >= 64)
+ type_count++;
+ }
+ else if (tag <= 251)
+ {
+ // (247) [(1)(2)]
+ // (248-251) [(1)]
+ if (tag >= 247)
+ offset_count++;
+ if (tag == 247)
+ type_count++;
+ }
+ else if (tag <= 254)
+ {
+ // (252) [(1)(2)]
+ // (253) [(1)(2)(2)]
+ // (254) [(1)(2)(2)(2)]
+ offset_count++;
+ type_count += (tag - 251);
+ }
+ else
+ {
+ // (255) [(1)NH[(2)]NH[(2)]]
+ fat_frame_count++;
+ }
+ }
+
+ // done pre-scanning frame tags:
+ code_StackMapTable_frame_T.rewind();
+
+ // deal completely with fat frames:
+ offset_count += fat_frame_count;
+ code_StackMapTable_local_N.readData(fat_frame_count);
+ type_count += code_StackMapTable_local_N.getIntTotal();
+ code_StackMapTable_stack_N.readData(fat_frame_count);
+ type_count += code_StackMapTable_stack_N.getIntTotal();
+ // read the rest:
+ code_StackMapTable_offset.readData(offset_count);
+ code_StackMapTable_T.readData(type_count);
+ // (7) [RCH]
+ count = code_StackMapTable_T.getIntCount(7);
+ code_StackMapTable_RC.readData(count);
+ // (8) [PH]
+ count = code_StackMapTable_T.getIntCount(8);
+ code_StackMapTable_P.readData(count);
+ }
+
+ count = ad.predefCount(CODE_ATTR_LineNumberTable);
+ code_LineNumberTable_N.readData(count);
+ count = code_LineNumberTable_N.getIntTotal();
+ code_LineNumberTable_bci_P.readData(count);
+ code_LineNumberTable_line.readData(count);
+
+ count = ad.predefCount(CODE_ATTR_LocalVariableTable);
+ code_LocalVariableTable_N.readData(count);
+ count = code_LocalVariableTable_N.getIntTotal();
+ code_LocalVariableTable_bci_P.readData(count);
+ code_LocalVariableTable_span_O.readData(count);
+ code_LocalVariableTable_name_RU.readData(count);
+ code_LocalVariableTable_type_RS.readData(count);
+ code_LocalVariableTable_slot.readData(count);
+
+ count = ad.predefCount(CODE_ATTR_LocalVariableTypeTable);
+ code_LocalVariableTypeTable_N.readData(count);
+ count = code_LocalVariableTypeTable_N.getIntTotal();
+ code_LocalVariableTypeTable_bci_P.readData(count);
+ code_LocalVariableTypeTable_span_O.readData(count);
+ code_LocalVariableTypeTable_name_RU.readData(count);
+ code_LocalVariableTypeTable_type_RS.readData(count);
+ code_LocalVariableTypeTable_slot.readData(count);
+ break;
+ }
+
+ // Read compressor-defined bands.
+ for (idx = 0; idx < ad.layouts.length(); idx++)
+ {
+ if (ad.getLayout(idx) == nullptr)
+ continue; // none at this fixed index <32
+ if (idx < (int)ad.flag_limit && ad.isPredefined(idx))
+ continue; // already handled
+ if (ad.getCount(idx) == 0)
+ continue; // no attributes of this type (then why transmit layouts?)
+ ad.readBandData(idx);
+ }
}
void unpacker::attr_definitions::readBandData(int idx)
{
- int j;
- uint32_t count = getCount(idx);
- if (count == 0)
- return;
- layout_definition *lo = getLayout(idx);
- bool hasCallables = lo->hasCallables();
- band **bands = lo->bands();
- if (!hasCallables)
- {
- // Read through the rest of the bands in a regular way.
- readBandData(bands, count);
- }
- else
- {
- // Deal with the callables.
- // First set up the forward entry count for each callable.
- // This is stored on band::length of the callable.
- bands[0]->expectMoreLength(count);
- for (j = 0; bands[j] != nullptr; j++)
- {
- band &j_cble = *bands[j];
- assert(j_cble.le_kind == EK_CBLE);
- if (j_cble.le_back)
- {
- // Add in the predicted effects of backward calls, too.
- int back_calls = xxx_attr_calls().getInt();
- j_cble.expectMoreLength(back_calls);
- // In a moment, more forward calls may increment j_cble.length.
- }
- }
- // Now consult whichever callables have non-zero entry counts.
- readBandData(bands, (uint32_t) - 1);
- }
+ int j;
+ uint32_t count = getCount(idx);
+ if (count == 0)
+ return;
+ layout_definition *lo = getLayout(idx);
+ bool hasCallables = lo->hasCallables();
+ band **bands = lo->bands();
+ if (!hasCallables)
+ {
+ // Read through the rest of the bands in a regular way.
+ readBandData(bands, count);
+ }
+ else
+ {
+ // Deal with the callables.
+ // First set up the forward entry count for each callable.
+ // This is stored on band::length of the callable.
+ bands[0]->expectMoreLength(count);
+ for (j = 0; bands[j] != nullptr; j++)
+ {
+ band &j_cble = *bands[j];
+ assert(j_cble.le_kind == EK_CBLE);
+ if (j_cble.le_back)
+ {
+ // Add in the predicted effects of backward calls, too.
+ int back_calls = xxx_attr_calls().getInt();
+ j_cble.expectMoreLength(back_calls);
+ // In a moment, more forward calls may increment j_cble.length.
+ }
+ }
+ // Now consult whichever callables have non-zero entry counts.
+ readBandData(bands, (uint32_t) - 1);
+ }
}
// Recursive helper to the previous function:
void unpacker::attr_definitions::readBandData(band **body, uint32_t count)
{
- int j, k;
- for (j = 0; body[j] != nullptr; j++)
- {
- band &b = *body[j];
- if (b.defc != nullptr)
- {
- // It has data, so read it.
- b.readData(count);
- }
- switch (b.le_kind)
- {
- case EK_REPL:
- {
- int reps = b.getIntTotal();
- readBandData(b.le_body, reps);
- }
- break;
- case EK_UN:
- {
- int remaining = count;
- for (k = 0; b.le_body[k] != nullptr; k++)
- {
- band &k_case = *b.le_body[k];
- int k_count = 0;
- if (k_case.le_casetags == nullptr)
- {
- k_count = remaining; // last (empty) case
- }
- else
- {
- int *tags = k_case.le_casetags;
- int ntags = *tags++; // 1st element is length (why not?)
- while (ntags-- > 0)
- {
- int tag = *tags++;
- k_count += b.getIntCount(tag);
- }
- }
- readBandData(k_case.le_body, k_count);
- remaining -= k_count;
- }
- assert(remaining == 0);
- }
- break;
- case EK_CALL:
- // Push the count forward, if it is not a backward call.
- if (!b.le_back)
- {
- band &cble = *b.le_body[0];
- assert(cble.le_kind == EK_CBLE);
- cble.expectMoreLength(count);
- }
- break;
- case EK_CBLE:
- assert((int)count == -1); // incoming count is meaningless
- k = b.length;
- assert(k >= 0);
- // This is intended and required for non production mode.
- assert((b.length = -1)); // make it unable to accept more calls now.
- readBandData(b.le_body, k);
- break;
- }
- }
+ int j, k;
+ for (j = 0; body[j] != nullptr; j++)
+ {
+ band &b = *body[j];
+ if (b.defc != nullptr)
+ {
+ // It has data, so read it.
+ b.readData(count);
+ }
+ switch (b.le_kind)
+ {
+ case EK_REPL:
+ {
+ int reps = b.getIntTotal();
+ readBandData(b.le_body, reps);
+ }
+ break;
+ case EK_UN:
+ {
+ int remaining = count;
+ for (k = 0; b.le_body[k] != nullptr; k++)
+ {
+ band &k_case = *b.le_body[k];
+ int k_count = 0;
+ if (k_case.le_casetags == nullptr)
+ {
+ k_count = remaining; // last (empty) case
+ }
+ else
+ {
+ int *tags = k_case.le_casetags;
+ int ntags = *tags++; // 1st element is length (why not?)
+ while (ntags-- > 0)
+ {
+ int tag = *tags++;
+ k_count += b.getIntCount(tag);
+ }
+ }
+ readBandData(k_case.le_body, k_count);
+ remaining -= k_count;
+ }
+ assert(remaining == 0);
+ }
+ break;
+ case EK_CALL:
+ // Push the count forward, if it is not a backward call.
+ if (!b.le_back)
+ {
+ band &cble = *b.le_body[0];
+ assert(cble.le_kind == EK_CBLE);
+ cble.expectMoreLength(count);
+ }
+ break;
+ case EK_CBLE:
+ assert((int)count == -1); // incoming count is meaningless
+ k = b.length;
+ assert(k >= 0);
+ // This is intended and required for non production mode.
+ assert((b.length = -1)); // make it unable to accept more calls now.
+ readBandData(b.le_body, k);
+ break;
+ }
+ }
}
static inline band **findMatchingCase(int matchTag, band **cases)
{
- for (int k = 0; cases[k] != nullptr; k++)
- {
- band &k_case = *cases[k];
- if (k_case.le_casetags != nullptr)
- {
- // If it has tags, it must match a tag.
- int *tags = k_case.le_casetags;
- int ntags = *tags++; // 1st element is length
- for (; ntags > 0; ntags--)
- {
- int tag = *tags++;
- if (tag == matchTag)
- break;
- }
- if (ntags == 0)
- continue; // does not match
- }
- return k_case.le_body;
- }
- return nullptr;
+ for (int k = 0; cases[k] != nullptr; k++)
+ {
+ band &k_case = *cases[k];
+ if (k_case.le_casetags != nullptr)
+ {
+ // If it has tags, it must match a tag.
+ int *tags = k_case.le_casetags;
+ int ntags = *tags++; // 1st element is length
+ for (; ntags > 0; ntags--)
+ {
+ int tag = *tags++;
+ if (tag == matchTag)
+ break;
+ }
+ if (ntags == 0)
+ continue; // does not match
+ }
+ return k_case.le_body;
+ }
+ return nullptr;
}
// write attribute band data:
void unpacker::putlayout(band **body)
{
- int i;
- int prevBII = -1;
- int prevBCI = -1;
- if (body == NULL)
- {
- unpack_abort("putlayout: unexpected NULL for body");
- return;
- }
- for (i = 0; body[i] != nullptr; i++)
- {
- band &b = *body[i];
- byte le_kind = b.le_kind;
-
- // Handle scalar part, if any.
- int x = 0;
- entry *e = nullptr;
- if (b.defc != nullptr)
- {
- // It has data, so unparse an element.
- if (b.ixTag != CONSTANT_None)
- {
- assert(le_kind == EK_REF);
- if (b.ixTag == CONSTANT_Literal)
- e = b.getRefUsing(cp.getKQIndex());
- else
- e = b.getRefN();
- switch (b.le_len)
- {
- case 0:
- break;
- case 1:
- putu1ref(e);
- break;
- case 2:
- putref(e);
- break;
- case 4:
- putu2(0);
- putref(e);
- break;
- default:
- assert(false);
- }
- }
- else
- {
- assert(le_kind == EK_INT || le_kind == EK_REPL || le_kind == EK_UN);
- x = b.getInt();
-
- assert(!b.le_bci || prevBCI == (int)to_bci(prevBII));
- switch (b.le_bci)
- {
- case EK_BCI: // PH: transmit R(bci), store bci
- x = to_bci(prevBII = x);
- prevBCI = x;
- break;
- case EK_BCID: // POH: transmit D(R(bci)), store bci
- x = to_bci(prevBII += x);
- prevBCI = x;
- break;
- case EK_BCO: // OH: transmit D(R(bci)), store D(bci)
- x = to_bci(prevBII += x) - prevBCI;
- prevBCI += x;
- break;
- }
- assert(!b.le_bci || prevBCI == (int)to_bci(prevBII));
-
- switch (b.le_len)
- {
- case 0:
- break;
- case 1:
- putu1(x);
- break;
- case 2:
- putu2(x);
- break;
- case 4:
- putu4(x);
- break;
- default:
- assert(false);
- }
- }
- }
-
- // Handle subparts, if any.
- switch (le_kind)
- {
- case EK_REPL:
- // x is the repeat count
- while (x-- > 0)
- {
- putlayout(b.le_body);
- }
- break;
- case EK_UN:
- // x is the tag
- putlayout(findMatchingCase(x, b.le_body));
- break;
- case EK_CALL:
- {
- band &cble = *b.le_body[0];
- assert(cble.le_kind == EK_CBLE);
- // FIXME: hit this one
- // assert(cble.le_len == b.le_len);
- putlayout(cble.le_body);
- }
- break;
-
- case EK_CBLE:
- case EK_CASE:
- assert(false); // should not reach here
- }
- }
+ int i;
+ int prevBII = -1;
+ int prevBCI = -1;
+ if (body == NULL)
+ {
+ unpack_abort("putlayout: unexpected NULL for body");
+ return;
+ }
+ for (i = 0; body[i] != nullptr; i++)
+ {
+ band &b = *body[i];
+ byte le_kind = b.le_kind;
+
+ // Handle scalar part, if any.
+ int x = 0;
+ entry *e = nullptr;
+ if (b.defc != nullptr)
+ {
+ // It has data, so unparse an element.
+ if (b.ixTag != CONSTANT_None)
+ {
+ assert(le_kind == EK_REF);
+ if (b.ixTag == CONSTANT_Literal)
+ e = b.getRefUsing(cp.getKQIndex());
+ else
+ e = b.getRefN();
+ switch (b.le_len)
+ {
+ case 0:
+ break;
+ case 1:
+ putu1ref(e);
+ break;
+ case 2:
+ putref(e);
+ break;
+ case 4:
+ putu2(0);
+ putref(e);
+ break;
+ default:
+ assert(false);
+ }
+ }
+ else
+ {
+ assert(le_kind == EK_INT || le_kind == EK_REPL || le_kind == EK_UN);
+ x = b.getInt();
+
+ assert(!b.le_bci || prevBCI == (int)to_bci(prevBII));
+ switch (b.le_bci)
+ {
+ case EK_BCI: // PH: transmit R(bci), store bci
+ x = to_bci(prevBII = x);
+ prevBCI = x;
+ break;
+ case EK_BCID: // POH: transmit D(R(bci)), store bci
+ x = to_bci(prevBII += x);
+ prevBCI = x;
+ break;
+ case EK_BCO: // OH: transmit D(R(bci)), store D(bci)
+ x = to_bci(prevBII += x) - prevBCI;
+ prevBCI += x;
+ break;
+ }
+ assert(!b.le_bci || prevBCI == (int)to_bci(prevBII));
+
+ switch (b.le_len)
+ {
+ case 0:
+ break;
+ case 1:
+ putu1(x);
+ break;
+ case 2:
+ putu2(x);
+ break;
+ case 4:
+ putu4(x);
+ break;
+ default:
+ assert(false);
+ }
+ }
+ }
+
+ // Handle subparts, if any.
+ switch (le_kind)
+ {
+ case EK_REPL:
+ // x is the repeat count
+ while (x-- > 0)
+ {
+ putlayout(b.le_body);
+ }
+ break;
+ case EK_UN:
+ // x is the tag
+ putlayout(findMatchingCase(x, b.le_body));
+ break;
+ case EK_CALL:
+ {
+ band &cble = *b.le_body[0];
+ assert(cble.le_kind == EK_CBLE);
+ // FIXME: hit this one
+ // assert(cble.le_len == b.le_len);
+ putlayout(cble.le_body);
+ }
+ break;
+
+ case EK_CBLE:
+ case EK_CASE:
+ assert(false); // should not reach here
+ }
+ }
}
void unpacker::read_files()
{
- file_name.readData(file_count);
- if ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0)
- file_size_hi.readData(file_count);
- file_size_lo.readData(file_count);
- if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
- file_modtime.readData(file_count);
- int allFiles = file_count + class_count;
- if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0)
- {
- file_options.readData(file_count);
- // FO_IS_CLASS_STUB might be set, causing overlap between classes and files
- for (int i = 0; i < file_count; i++)
- {
- if ((file_options.getInt() & FO_IS_CLASS_STUB) != 0)
- {
- allFiles -= 1; // this one counts as both class and file
- }
- }
- file_options.rewind();
- }
- assert((default_file_options & FO_IS_CLASS_STUB) == 0);
- files_remaining = allFiles;
+ file_name.readData(file_count);
+ if ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0)
+ file_size_hi.readData(file_count);
+ file_size_lo.readData(file_count);
+ if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
+ file_modtime.readData(file_count);
+ int allFiles = file_count + class_count;
+ if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0)
+ {
+ file_options.readData(file_count);
+ // FO_IS_CLASS_STUB might be set, causing overlap between classes and files
+ for (int i = 0; i < file_count; i++)
+ {
+ if ((file_options.getInt() & FO_IS_CLASS_STUB) != 0)
+ {
+ allFiles -= 1; // this one counts as both class and file
+ }
+ }
+ file_options.rewind();
+ }
+ assert((default_file_options & FO_IS_CLASS_STUB) == 0);
+ files_remaining = allFiles;
}
void unpacker::get_code_header(int &max_stack, int &max_na_locals, int &handler_count,
- int &cflags)
+ int &cflags)
{
- int sc = code_headers.getByte();
- if (sc == 0)
- {
- max_stack = max_na_locals = handler_count = cflags = -1;
- return;
- }
- // Short code header is the usual case:
- int nh;
- int mod;
- if (sc < 1 + 12 * 12)
- {
- sc -= 1;
- nh = 0;
- mod = 12;
- }
- else if (sc < 1 + 12 * 12 + 8 * 8)
- {
- sc -= 1 + 12 * 12;
- nh = 1;
- mod = 8;
- }
- else
- {
- assert(sc < 1 + 12 * 12 + 8 * 8 + 7 * 7);
- sc -= 1 + 12 * 12 + 8 * 8;
- nh = 2;
- mod = 7;
- }
- max_stack = sc % mod;
- max_na_locals = sc / mod; // caller must add static, siglen
- handler_count = nh;
- if ((archive_options & AO_HAVE_ALL_CODE_FLAGS) != 0)
- cflags = -1;
- else
- cflags = 0; // this one has no attributes
+ int sc = code_headers.getByte();
+ if (sc == 0)
+ {
+ max_stack = max_na_locals = handler_count = cflags = -1;
+ return;
+ }
+ // Short code header is the usual case:
+ int nh;
+ int mod;
+ if (sc < 1 + 12 * 12)
+ {
+ sc -= 1;
+ nh = 0;
+ mod = 12;
+ }
+ else if (sc < 1 + 12 * 12 + 8 * 8)
+ {
+ sc -= 1 + 12 * 12;
+ nh = 1;
+ mod = 8;
+ }
+ else
+ {
+ assert(sc < 1 + 12 * 12 + 8 * 8 + 7 * 7);
+ sc -= 1 + 12 * 12 + 8 * 8;
+ nh = 2;
+ mod = 7;
+ }
+ max_stack = sc % mod;
+ max_na_locals = sc / mod; // caller must add static, siglen
+ handler_count = nh;
+ if ((archive_options & AO_HAVE_ALL_CODE_FLAGS) != 0)
+ cflags = -1;
+ else
+ cflags = 0; // this one has no attributes
}
// Cf. PackageReader.readCodeHeaders
void unpacker::read_code_headers()
{
- code_headers.readData(code_count);
- int totalHandlerCount = 0;
- int totalFlagsCount = 0;
- for (int i = 0; i < code_count; i++)
- {
- int max_stack, max_locals, handler_count, cflags;
- get_code_header(max_stack, max_locals, handler_count, cflags);
- if (max_stack < 0)
- code_max_stack.expectMoreLength(1);
- if (max_locals < 0)
- code_max_na_locals.expectMoreLength(1);
- if (handler_count < 0)
- code_handler_count.expectMoreLength(1);
- else
- totalHandlerCount += handler_count;
- if (cflags < 0)
- totalFlagsCount += 1;
- }
- code_headers.rewind(); // replay later during writing
-
- code_max_stack.readData();
- code_max_na_locals.readData();
- code_handler_count.readData();
- totalHandlerCount += code_handler_count.getIntTotal();
-
- // Read handler specifications.
- // Cf. PackageReader.readCodeHandlers.
- code_handler_start_P.readData(totalHandlerCount);
- code_handler_end_PO.readData(totalHandlerCount);
- code_handler_catch_PO.readData(totalHandlerCount);
- code_handler_class_RCN.readData(totalHandlerCount);
-
- read_attrs(ATTR_CONTEXT_CODE, totalFlagsCount);
+ code_headers.readData(code_count);
+ int totalHandlerCount = 0;
+ int totalFlagsCount = 0;
+ for (int i = 0; i < code_count; i++)
+ {
+ int max_stack, max_locals, handler_count, cflags;
+ get_code_header(max_stack, max_locals, handler_count, cflags);
+ if (max_stack < 0)
+ code_max_stack.expectMoreLength(1);
+ if (max_locals < 0)
+ code_max_na_locals.expectMoreLength(1);
+ if (handler_count < 0)
+ code_handler_count.expectMoreLength(1);
+ else
+ totalHandlerCount += handler_count;
+ if (cflags < 0)
+ totalFlagsCount += 1;
+ }
+ code_headers.rewind(); // replay later during writing
+
+ code_max_stack.readData();
+ code_max_na_locals.readData();
+ code_handler_count.readData();
+ totalHandlerCount += code_handler_count.getIntTotal();
+
+ // Read handler specifications.
+ // Cf. PackageReader.readCodeHandlers.
+ code_handler_start_P.readData(totalHandlerCount);
+ code_handler_end_PO.readData(totalHandlerCount);
+ code_handler_catch_PO.readData(totalHandlerCount);
+ code_handler_class_RCN.readData(totalHandlerCount);
+
+ read_attrs(ATTR_CONTEXT_CODE, totalFlagsCount);
}
static inline bool is_in_range(uint32_t n, uint32_t min, uint32_t max)
{
- return n - min <= max - min; // unsigned arithmetic!
+ return n - min <= max - min; // unsigned arithmetic!
}
static inline bool is_field_op(int bc)
{
- return is_in_range(bc, bc_getstatic, bc_putfield);
+ return is_in_range(bc, bc_getstatic, bc_putfield);
}
static inline bool is_invoke_init_op(int bc)
{
- return is_in_range(bc, _invokeinit_op, _invokeinit_limit - 1);
+ return is_in_range(bc, _invokeinit_op, _invokeinit_limit - 1);
}
static inline bool is_self_linker_op(int bc)
{
- return is_in_range(bc, _self_linker_op, _self_linker_limit - 1);
+ return is_in_range(bc, _self_linker_op, _self_linker_limit - 1);
}
static bool is_branch_op(int bc)
{
- return is_in_range(bc, bc_ifeq, bc_jsr) || is_in_range(bc, bc_ifnull, bc_jsr_w);
+ return is_in_range(bc, bc_ifeq, bc_jsr) || is_in_range(bc, bc_ifnull, bc_jsr_w);
}
static bool is_local_slot_op(int bc)
{
- return is_in_range(bc, bc_iload, bc_aload) || is_in_range(bc, bc_istore, bc_astore) ||
- bc == bc_iinc || bc == bc_ret;
+ return is_in_range(bc, bc_iload, bc_aload) || is_in_range(bc, bc_istore, bc_astore) ||
+ bc == bc_iinc || bc == bc_ret;
}
band *unpacker::ref_band_for_op(int bc)
{
- switch (bc)
- {
- case bc_ildc:
- case bc_ildc_w:
- return &bc_intref;
- case bc_fldc:
- case bc_fldc_w:
- return &bc_floatref;
- case bc_lldc2_w:
- return &bc_longref;
- case bc_dldc2_w:
- return &bc_doubleref;
- case bc_aldc:
- case bc_aldc_w:
- return &bc_stringref;
- case bc_cldc:
- case bc_cldc_w:
- return &bc_classref;
-
- case bc_getstatic:
- case bc_putstatic:
- case bc_getfield:
- case bc_putfield:
- return &bc_fieldref;
-
- case bc_invokevirtual:
- case bc_invokespecial:
- case bc_invokestatic:
- return &bc_methodref;
- case bc_invokeinterface:
- return &bc_imethodref;
-
- case bc_new:
- case bc_anewarray:
- case bc_checkcast:
- case bc_instanceof:
- case bc_multianewarray:
- return &bc_classref;
- }
- return nullptr;
+ switch (bc)
+ {
+ case bc_ildc:
+ case bc_ildc_w:
+ return &bc_intref;
+ case bc_fldc:
+ case bc_fldc_w:
+ return &bc_floatref;
+ case bc_lldc2_w:
+ return &bc_longref;
+ case bc_dldc2_w:
+ return &bc_doubleref;
+ case bc_aldc:
+ case bc_aldc_w:
+ return &bc_stringref;
+ case bc_cldc:
+ case bc_cldc_w:
+ return &bc_classref;
+
+ case bc_getstatic:
+ case bc_putstatic:
+ case bc_getfield:
+ case bc_putfield:
+ return &bc_fieldref;
+
+ case bc_invokevirtual:
+ case bc_invokespecial:
+ case bc_invokestatic:
+ return &bc_methodref;
+ case bc_invokeinterface:
+ return &bc_imethodref;
+
+ case bc_new:
+ case bc_anewarray:
+ case bc_checkcast:
+ case bc_instanceof:
+ case bc_multianewarray:
+ return &bc_classref;
+ }
+ return nullptr;
}
band *unpacker::ref_band_for_self_op(int bc, bool &isAloadVar, int &origBCVar)
{
- if (!is_self_linker_op(bc))
- return nullptr;
- int idx = (bc - _self_linker_op);
- bool isSuper = (idx >= _self_linker_super_flag);
- if (isSuper)
- idx -= _self_linker_super_flag;
- bool isAload = (idx >= _self_linker_aload_flag);
- if (isAload)
- idx -= _self_linker_aload_flag;
- int origBC = _first_linker_op + idx;
- bool isField = is_field_op(origBC);
- isAloadVar = isAload;
- origBCVar = _first_linker_op + idx;
- if (!isSuper)
- return isField ? &bc_thisfield : &bc_thismethod;
- else
- return isField ? &bc_superfield : &bc_supermethod;
+ if (!is_self_linker_op(bc))
+ return nullptr;
+ int idx = (bc - _self_linker_op);
+ bool isSuper = (idx >= _self_linker_super_flag);
+ if (isSuper)
+ idx -= _self_linker_super_flag;
+ bool isAload = (idx >= _self_linker_aload_flag);
+ if (isAload)
+ idx -= _self_linker_aload_flag;
+ int origBC = _first_linker_op + idx;
+ bool isField = is_field_op(origBC);
+ isAloadVar = isAload;
+ origBCVar = _first_linker_op + idx;
+ if (!isSuper)
+ return isField ? &bc_thisfield : &bc_thismethod;
+ else
+ return isField ? &bc_superfield : &bc_supermethod;
}
// Cf. PackageReader.readByteCodes
inline // called exactly once => inline
- void
+ void
unpacker::read_bcs()
{
- // read from bc_codes and bc_case_count
- fillbytes all_switch_ops;
- all_switch_ops.init();
-
- // Read directly from rp/rplimit.
- // Do this later: bc_codes.readData(...)
- byte *rp0 = rp;
-
- band *bc_which;
- byte *opptr = rp;
- byte *oplimit = rplimit;
-
- bool isAload; // passed by ref and then ignored
- int junkBC; // passed by ref and then ignored
- for (int k = 0; k < code_count; k++)
- {
- // Scan one method:
- for (;;)
- {
- if (opptr + 2 > oplimit)
- {
- rp = opptr;
- ensure_input(2);
- oplimit = rplimit;
- rp = rp0; // back up
- }
- if (opptr == oplimit)
- {
- unpack_abort();
- }
- int bc = *opptr++ & 0xFF;
- bool isWide = false;
- if (bc == bc_wide)
- {
- if (opptr == oplimit)
- {
- unpack_abort();
- }
- bc = *opptr++ & 0xFF;
- isWide = true;
- }
- // Adjust expectations of various band sizes.
- switch (bc)
- {
- case bc_tableswitch:
- case bc_lookupswitch:
- all_switch_ops.addByte(bc);
- break;
- case bc_iinc:
- bc_local.expectMoreLength(1);
- bc_which = isWide ? &bc_short : &bc_byte;
- bc_which->expectMoreLength(1);
- break;
- case bc_sipush:
- bc_short.expectMoreLength(1);
- break;
- case bc_bipush:
- bc_byte.expectMoreLength(1);
- break;
- case bc_newarray:
- bc_byte.expectMoreLength(1);
- break;
- case bc_multianewarray:
- assert(ref_band_for_op(bc) == &bc_classref);
- bc_classref.expectMoreLength(1);
- bc_byte.expectMoreLength(1);
- break;
- case bc_ref_escape:
- bc_escrefsize.expectMoreLength(1);
- bc_escref.expectMoreLength(1);
- break;
- case bc_byte_escape:
- bc_escsize.expectMoreLength(1);
- // bc_escbyte will have to be counted too
- break;
- default:
- if (is_invoke_init_op(bc))
- {
- bc_initref.expectMoreLength(1);
- break;
- }
- bc_which = ref_band_for_self_op(bc, isAload, junkBC);
- if (bc_which != nullptr)
- {
- bc_which->expectMoreLength(1);
- break;
- }
- if (is_branch_op(bc))
- {
- bc_label.expectMoreLength(1);
- break;
- }
- bc_which = ref_band_for_op(bc);
- if (bc_which != nullptr)
- {
- bc_which->expectMoreLength(1);
- assert(bc != bc_multianewarray); // handled elsewhere
- break;
- }
- if (is_local_slot_op(bc))
- {
- bc_local.expectMoreLength(1);
- break;
- }
- break;
- case bc_end_marker:
- // Increment k and test against code_count.
- goto doneScanningMethod;
- }
- }
- doneScanningMethod:
- {
- }
- }
-
- // Go through the formality, so we can use it in a regular fashion later:
- assert(rp == rp0);
- bc_codes.readData((int)(opptr - rp));
-
- int i = 0;
-
- // To size instruction bands correctly, we need info on switches:
- bc_case_count.readData((int)all_switch_ops.size());
- for (i = 0; i < (int)all_switch_ops.size(); i++)
- {
- int caseCount = bc_case_count.getInt();
- int bc = all_switch_ops.getByte(i);
- bc_label.expectMoreLength(1 + caseCount); // default label + cases
- bc_case_value.expectMoreLength(bc == bc_tableswitch ? 1 : caseCount);
- }
- bc_case_count.rewind(); // uses again for output
-
- all_switch_ops.free();
-
- for (i = e_bc_case_value; i <= e_bc_escsize; i++)
- {
- all_bands[i].readData();
- }
-
- // The bc_escbyte band is counted by the immediately previous band.
- bc_escbyte.readData(bc_escsize.getIntTotal());
+ // read from bc_codes and bc_case_count
+ fillbytes all_switch_ops;
+ all_switch_ops.init();
+
+ // Read directly from rp/rplimit.
+ // Do this later: bc_codes.readData(...)
+ byte *rp0 = rp;
+
+ band *bc_which;
+ byte *opptr = rp;
+ byte *oplimit = rplimit;
+
+ bool isAload; // passed by ref and then ignored
+ int junkBC; // passed by ref and then ignored
+ for (int k = 0; k < code_count; k++)
+ {
+ // Scan one method:
+ for (;;)
+ {
+ if (opptr + 2 > oplimit)
+ {
+ rp = opptr;
+ ensure_input(2);
+ oplimit = rplimit;
+ rp = rp0; // back up
+ }
+ if (opptr == oplimit)
+ {
+ unpack_abort();
+ }
+ int bc = *opptr++ & 0xFF;
+ bool isWide = false;
+ if (bc == bc_wide)
+ {
+ if (opptr == oplimit)
+ {
+ unpack_abort();
+ }
+ bc = *opptr++ & 0xFF;
+ isWide = true;
+ }
+ // Adjust expectations of various band sizes.
+ switch (bc)
+ {
+ case bc_tableswitch:
+ case bc_lookupswitch:
+ all_switch_ops.addByte(bc);
+ break;
+ case bc_iinc:
+ bc_local.expectMoreLength(1);
+ bc_which = isWide ? &bc_short : &bc_byte;
+ bc_which->expectMoreLength(1);
+ break;
+ case bc_sipush:
+ bc_short.expectMoreLength(1);
+ break;
+ case bc_bipush:
+ bc_byte.expectMoreLength(1);
+ break;
+ case bc_newarray:
+ bc_byte.expectMoreLength(1);
+ break;
+ case bc_multianewarray:
+ assert(ref_band_for_op(bc) == &bc_classref);
+ bc_classref.expectMoreLength(1);
+ bc_byte.expectMoreLength(1);
+ break;
+ case bc_ref_escape:
+ bc_escrefsize.expectMoreLength(1);
+ bc_escref.expectMoreLength(1);
+ break;
+ case bc_byte_escape:
+ bc_escsize.expectMoreLength(1);
+ // bc_escbyte will have to be counted too
+ break;
+ default:
+ if (is_invoke_init_op(bc))
+ {
+ bc_initref.expectMoreLength(1);
+ break;
+ }
+ bc_which = ref_band_for_self_op(bc, isAload, junkBC);
+ if (bc_which != nullptr)
+ {
+ bc_which->expectMoreLength(1);
+ break;
+ }
+ if (is_branch_op(bc))
+ {
+ bc_label.expectMoreLength(1);
+ break;
+ }
+ bc_which = ref_band_for_op(bc);
+ if (bc_which != nullptr)
+ {
+ bc_which->expectMoreLength(1);
+ assert(bc != bc_multianewarray); // handled elsewhere
+ break;
+ }
+ if (is_local_slot_op(bc))
+ {
+ bc_local.expectMoreLength(1);
+ break;
+ }
+ break;
+ case bc_end_marker:
+ // Increment k and test against code_count.
+ goto doneScanningMethod;
+ }
+ }
+ doneScanningMethod:
+ {
+ }
+ }
+
+ // Go through the formality, so we can use it in a regular fashion later:
+ assert(rp == rp0);
+ bc_codes.readData((int)(opptr - rp));
+
+ int i = 0;
+
+ // To size instruction bands correctly, we need info on switches:
+ bc_case_count.readData((int)all_switch_ops.size());
+ for (i = 0; i < (int)all_switch_ops.size(); i++)
+ {
+ int caseCount = bc_case_count.getInt();
+ int bc = all_switch_ops.getByte(i);
+ bc_label.expectMoreLength(1 + caseCount); // default label + cases
+ bc_case_value.expectMoreLength(bc == bc_tableswitch ? 1 : caseCount);
+ }
+ bc_case_count.rewind(); // uses again for output
+
+ all_switch_ops.free();
+
+ for (i = e_bc_case_value; i <= e_bc_escsize; i++)
+ {
+ all_bands[i].readData();
+ }
+
+ // The bc_escbyte band is counted by the immediately previous band.
+ bc_escbyte.readData(bc_escsize.getIntTotal());
}
void unpacker::read_bands()
{
- read_file_header();
-
- if (cp.nentries == 0)
- {
- // read_file_header failed to read a CP, because it copied a JAR.
- return;
- }
-
- // Do this after the file header has been read:
- check_options();
-
- read_cp();
- read_attr_defs();
- read_ics();
- read_classes();
- read_bcs();
- read_files();
+ read_file_header();
+
+ if (cp.nentries == 0)
+ {
+ // read_file_header failed to read a CP, because it copied a JAR.
+ return;
+ }
+
+ // Do this after the file header has been read:
+ check_options();
+
+ read_cp();
+ read_attr_defs();
+ read_ics();
+ read_classes();
+ read_bcs();
+ read_files();
}
/// CP routines
entry *&constant_pool::hashTabRef(byte tag, bytes &b)
{
- uint32_t hash = tag + (int)b.len;
- for (int i = 0; i < (int)b.len; i++)
- {
- hash = hash * 31 + (0xFF & b.ptr[i]);
- }
- entry **ht = hashTab;
- int hlen = hashTabLength;
- assert((hlen & (hlen - 1)) == 0); // must be power of 2
- uint32_t hash1 = hash & (hlen - 1); // == hash % hlen
- uint32_t hash2 = 0; // lazily computed (requires mod op.)
- int probes = 0;
- while (ht[hash1] != nullptr)
- {
- entry &e = *ht[hash1];
- if (e.value.b.equals(b) && e.tag == tag)
- break;
- if (hash2 == 0)
- // Note: hash2 must be relatively prime to hlen, hence the "|1".
- hash2 = (((hash % 499) & (hlen - 1)) | 1);
- hash1 += hash2;
- if (hash1 >= (uint32_t)hlen)
- hash1 -= hlen;
- assert(hash1 < (uint32_t)hlen);
- assert(++probes < hlen);
- }
- return ht[hash1];
+ uint32_t hash = tag + (int)b.len;
+ for (int i = 0; i < (int)b.len; i++)
+ {
+ hash = hash * 31 + (0xFF & b.ptr[i]);
+ }
+ entry **ht = hashTab;
+ int hlen = hashTabLength;
+ assert((hlen & (hlen - 1)) == 0); // must be power of 2
+ uint32_t hash1 = hash & (hlen - 1); // == hash % hlen
+ uint32_t hash2 = 0; // lazily computed (requires mod op.)
+#ifndef NDEBUG
+ int probes = 0;
+#endif
+ while (ht[hash1] != nullptr)
+ {
+ entry &e = *ht[hash1];
+ if (e.value.b.equals(b) && e.tag == tag)
+ break;
+ if (hash2 == 0)
+ // Note: hash2 must be relatively prime to hlen, hence the "|1".
+ hash2 = (((hash % 499) & (hlen - 1)) | 1);
+ hash1 += hash2;
+ if (hash1 >= (uint32_t)hlen)
+ hash1 -= hlen;
+ assert(hash1 < (uint32_t)hlen);
+ assert(++probes < hlen);
+ }
+ return ht[hash1];
}
static void insert_extra(entry *e, ptrlist &extras)
{
- // This ordering helps implement the Pack200 requirement
- // of a predictable CP order in the class files produced.
- e->inord = NO_INORD; // mark as an "extra"
- extras.add(e);
- // Note: We will sort the list (by string-name) later.
+ // This ordering helps implement the Pack200 requirement
+ // of a predictable CP order in the class files produced.
+ e->inord = NO_INORD; // mark as an "extra"
+ extras.add(e);
+ // Note: We will sort the list (by string-name) later.
}
entry *constant_pool::ensureUtf8(bytes &b)
{
- entry *&ix = hashTabRef(CONSTANT_Utf8, b);
- if (ix != nullptr)
- return ix;
- // Make one.
- if (nentries == maxentries)
- {
- unpack_abort("cp utf8 overflow");
- return &entries[tag_base[CONSTANT_Utf8]]; // return something
- }
- entry &e = entries[nentries++];
- e.tag = CONSTANT_Utf8;
- u->saveTo(e.value.b, b);
- assert(&e >= first_extra_entry);
- insert_extra(&e, tag_extras[CONSTANT_Utf8]);
- return ix = &e;
+ entry *&ix = hashTabRef(CONSTANT_Utf8, b);
+ if (ix != nullptr)
+ return ix;
+ // Make one.
+ if (nentries == maxentries)
+ {
+ unpack_abort("cp utf8 overflow");
+ return &entries[tag_base[CONSTANT_Utf8]]; // return something
+ }
+ entry &e = entries[nentries++];
+ e.tag = CONSTANT_Utf8;
+ u->saveTo(e.value.b, b);
+ assert(&e >= first_extra_entry);
+ insert_extra(&e, tag_extras[CONSTANT_Utf8]);
+ return ix = &e;
}
entry *constant_pool::ensureClass(bytes &b)
{
- entry *&ix = hashTabRef(CONSTANT_Class, b);
- if (ix != nullptr)
- return ix;
- // Make one.
- if (nentries == maxentries)
- {
- unpack_abort("cp class overflow");
- return &entries[tag_base[CONSTANT_Class]]; // return something
- }
- entry &e = entries[nentries++];
- e.tag = CONSTANT_Class;
- e.nrefs = 1;
- e.refs = U_NEW(entry *, 1);
- ix = &e; // hold my spot in the index
- entry *utf = ensureUtf8(b);
- e.refs[0] = utf;
- e.value.b = utf->value.b;
- assert(&e >= first_extra_entry);
- insert_extra(&e, tag_extras[CONSTANT_Class]);
- return &e;
+ entry *&ix = hashTabRef(CONSTANT_Class, b);
+ if (ix != nullptr)
+ return ix;
+ // Make one.
+ if (nentries == maxentries)
+ {
+ unpack_abort("cp class overflow");
+ return &entries[tag_base[CONSTANT_Class]]; // return something
+ }
+ entry &e = entries[nentries++];
+ e.tag = CONSTANT_Class;
+ e.nrefs = 1;
+ e.refs = U_NEW(entry *, 1);
+ ix = &e; // hold my spot in the index
+ entry *utf = ensureUtf8(b);
+ e.refs[0] = utf;
+ e.value.b = utf->value.b;
+ assert(&e >= first_extra_entry);
+ insert_extra(&e, tag_extras[CONSTANT_Class]);
+ return &e;
}
void constant_pool::expandSignatures()
{
- int i;
- int nsigs = 0;
- int nreused = 0;
- int first_sig = tag_base[CONSTANT_Signature];
- int sig_limit = tag_count[CONSTANT_Signature] + first_sig;
- fillbytes buf;
- buf.init(1 << 10);
- for (i = first_sig; i < sig_limit; i++)
- {
- entry &e = entries[i];
- assert(e.tag == CONSTANT_Signature);
- int refnum = 0;
- bytes form = e.refs[refnum++]->asUtf8();
- buf.empty();
- for (int j = 0; j < (int)form.len; j++)
- {
- int c = form.ptr[j];
- buf.addByte(c);
- if (c == 'L')
- {
- entry *cls = e.refs[refnum++];
- buf.append(cls->className()->asUtf8());
- }
- }
- assert(refnum == e.nrefs);
- bytes &sig = buf.b;
-
- // try to find a pre-existing Utf8:
- entry *&e2 = hashTabRef(CONSTANT_Utf8, sig);
- if (e2 != nullptr)
- {
- assert(e2->isUtf8(sig));
- e.value.b = e2->value.b;
- e.refs[0] = e2;
- e.nrefs = 1;
- nreused++;
- }
- else
- {
- // there is no other replacement; reuse this CP entry as a Utf8
- u->saveTo(e.value.b, sig);
- e.tag = CONSTANT_Utf8;
- e.nrefs = 0;
- e2 = &e;
- }
- nsigs++;
- }
- buf.free();
-
- // go expunge all references to remaining signatures:
- for (i = 0; i < (int)nentries; i++)
- {
- entry &e = entries[i];
- for (int j = 0; j < e.nrefs; j++)
- {
- entry *&e2 = e.refs[j];
- if (e2 != nullptr && e2->tag == CONSTANT_Signature)
- e2 = e2->refs[0];
- }
- }
+ int i;
+ int nsigs = 0;
+ int nreused = 0;
+ int first_sig = tag_base[CONSTANT_Signature];
+ int sig_limit = tag_count[CONSTANT_Signature] + first_sig;
+ fillbytes buf;
+ buf.init(1 << 10);
+ for (i = first_sig; i < sig_limit; i++)
+ {
+ entry &e = entries[i];
+ assert(e.tag == CONSTANT_Signature);
+ int refnum = 0;
+ bytes form = e.refs[refnum++]->asUtf8();
+ buf.empty();
+ for (int j = 0; j < (int)form.len; j++)
+ {
+ int c = form.ptr[j];
+ buf.addByte(c);
+ if (c == 'L')
+ {
+ entry *cls = e.refs[refnum++];
+ buf.append(cls->className()->asUtf8());
+ }
+ }
+ assert(refnum == e.nrefs);
+ bytes &sig = buf.b;
+
+ // try to find a pre-existing Utf8:
+ entry *&e2 = hashTabRef(CONSTANT_Utf8, sig);
+ if (e2 != nullptr)
+ {
+ assert(e2->isUtf8(sig));
+ e.value.b = e2->value.b;
+ e.refs[0] = e2;
+ e.nrefs = 1;
+ nreused++;
+ }
+ else
+ {
+ // there is no other replacement; reuse this CP entry as a Utf8
+ u->saveTo(e.value.b, sig);
+ e.tag = CONSTANT_Utf8;
+ e.nrefs = 0;
+ e2 = &e;
+ }
+ nsigs++;
+ }
+ buf.free();
+
+ // go expunge all references to remaining signatures:
+ for (i = 0; i < (int)nentries; i++)
+ {
+ entry &e = entries[i];
+ for (int j = 0; j < e.nrefs; j++)
+ {
+ entry *&e2 = e.refs[j];
+ if (e2 != nullptr && e2->tag == CONSTANT_Signature)
+ e2 = e2->refs[0];
+ }
+ }
}
void constant_pool::initMemberIndexes()
{
- // This function does NOT refer to any class schema.
- // It is totally internal to the cpool.
- int i, j;
-
- // Get the pre-existing indexes:
- int nclasses = tag_count[CONSTANT_Class];
- // entry *classes = tag_base[CONSTANT_Class] + entries; // UNUSED
- int nfields = tag_count[CONSTANT_Fieldref];
- entry *fields = tag_base[CONSTANT_Fieldref] + entries;
- int nmethods = tag_count[CONSTANT_Methodref];
- entry *methods = tag_base[CONSTANT_Methodref] + entries;
-
- int *field_counts = T_NEW(int, nclasses);
- int *method_counts = T_NEW(int, nclasses);
- cpindex *all_indexes = U_NEW(cpindex, nclasses * 2);
- entry **field_ix = U_NEW(entry *, add_size(nfields, nclasses));
- entry **method_ix = U_NEW(entry *, add_size(nmethods, nclasses));
-
- for (j = 0; j < nfields; j++)
- {
- entry &f = fields[j];
- i = f.memberClass()->inord;
- assert(i < nclasses);
- field_counts[i]++;
- }
- for (j = 0; j < nmethods; j++)
- {
- entry &m = methods[j];
- i = m.memberClass()->inord;
- assert(i < nclasses);
- method_counts[i]++;
- }
-
- int fbase = 0, mbase = 0;
- for (i = 0; i < nclasses; i++)
- {
- int fc = field_counts[i];
- int mc = method_counts[i];
- all_indexes[i * 2 + 0].init(fc, field_ix + fbase, CONSTANT_Fieldref + SUBINDEX_BIT);
- all_indexes[i * 2 + 1].init(mc, method_ix + mbase, CONSTANT_Methodref + SUBINDEX_BIT);
- // reuse field_counts and member_counts as fill pointers:
- field_counts[i] = fbase;
- method_counts[i] = mbase;
- fbase += fc + 1;
- mbase += mc + 1;
- // (the +1 leaves a space between every subarray)
- }
- assert(fbase == nfields + nclasses);
- assert(mbase == nmethods + nclasses);
-
- for (j = 0; j < nfields; j++)
- {
- entry &f = fields[j];
- i = f.memberClass()->inord;
- field_ix[field_counts[i]++] = &f;
- }
- for (j = 0; j < nmethods; j++)
- {
- entry &m = methods[j];
- i = m.memberClass()->inord;
- method_ix[method_counts[i]++] = &m;
- }
-
- member_indexes = all_indexes;
-
- // Free intermediate buffers.
- u->free_temps();
+ // This function does NOT refer to any class schema.
+ // It is totally internal to the cpool.
+ int i, j;
+
+ // Get the pre-existing indexes:
+ int nclasses = tag_count[CONSTANT_Class];
+ // entry *classes = tag_base[CONSTANT_Class] + entries; // UNUSED
+ int nfields = tag_count[CONSTANT_Fieldref];
+ entry *fields = tag_base[CONSTANT_Fieldref] + entries;
+ int nmethods = tag_count[CONSTANT_Methodref];
+ entry *methods = tag_base[CONSTANT_Methodref] + entries;
+
+ int *field_counts = T_NEW(int, nclasses);
+ int *method_counts = T_NEW(int, nclasses);
+ cpindex *all_indexes = U_NEW(cpindex, nclasses * 2);
+ entry **field_ix = U_NEW(entry *, add_size(nfields, nclasses));
+ entry **method_ix = U_NEW(entry *, add_size(nmethods, nclasses));
+
+ for (j = 0; j < nfields; j++)
+ {
+ entry &f = fields[j];
+ i = f.memberClass()->inord;
+ assert(i < nclasses);
+ field_counts[i]++;
+ }
+ for (j = 0; j < nmethods; j++)
+ {
+ entry &m = methods[j];
+ i = m.memberClass()->inord;
+ assert(i < nclasses);
+ method_counts[i]++;
+ }
+
+ int fbase = 0, mbase = 0;
+ for (i = 0; i < nclasses; i++)
+ {
+ int fc = field_counts[i];
+ int mc = method_counts[i];
+ all_indexes[i * 2 + 0].init(fc, field_ix + fbase, CONSTANT_Fieldref + SUBINDEX_BIT);
+ all_indexes[i * 2 + 1].init(mc, method_ix + mbase, CONSTANT_Methodref + SUBINDEX_BIT);
+ // reuse field_counts and member_counts as fill pointers:
+ field_counts[i] = fbase;
+ method_counts[i] = mbase;
+ fbase += fc + 1;
+ mbase += mc + 1;
+ // (the +1 leaves a space between every subarray)
+ }
+ assert(fbase == nfields + nclasses);
+ assert(mbase == nmethods + nclasses);
+
+ for (j = 0; j < nfields; j++)
+ {
+ entry &f = fields[j];
+ i = f.memberClass()->inord;
+ field_ix[field_counts[i]++] = &f;
+ }
+ for (j = 0; j < nmethods; j++)
+ {
+ entry &m = methods[j];
+ i = m.memberClass()->inord;
+ method_ix[method_counts[i]++] = &m;
+ }
+
+ member_indexes = all_indexes;
+
+ // Free intermediate buffers.
+ u->free_temps();
}
void entry::requestOutputIndex(constant_pool &cp, int req)
{
- assert(outputIndex <= NOT_REQUESTED); // must not have assigned indexes yet
- if (tag == CONSTANT_Signature)
- {
- ref(0)->requestOutputIndex(cp, req);
- return;
- }
- assert(req == REQUESTED || req == REQUESTED_LDC);
- if (outputIndex != NOT_REQUESTED)
- {
- if (req == REQUESTED_LDC)
- outputIndex = req; // this kind has precedence
- return;
- }
- outputIndex = req;
- // assert(!cp.outputEntries.contains(this));
- assert(tag != CONSTANT_Signature);
- cp.outputEntries.add(this);
- for (int j = 0; j < nrefs; j++)
- {
- ref(j)->requestOutputIndex(cp);
- }
+ assert(outputIndex <= NOT_REQUESTED); // must not have assigned indexes yet
+ if (tag == CONSTANT_Signature)
+ {
+ ref(0)->requestOutputIndex(cp, req);
+ return;
+ }
+ assert(req == REQUESTED || req == REQUESTED_LDC);
+ if (outputIndex != NOT_REQUESTED)
+ {
+ if (req == REQUESTED_LDC)
+ outputIndex = req; // this kind has precedence
+ return;
+ }
+ outputIndex = req;
+ // assert(!cp.outputEntries.contains(this));
+ assert(tag != CONSTANT_Signature);
+ cp.outputEntries.add(this);
+ for (int j = 0; j < nrefs; j++)
+ {
+ ref(j)->requestOutputIndex(cp);
+ }
}
void constant_pool::resetOutputIndexes()
{
- int i;
- int noes = outputEntries.length();
- entry **oes = (entry **)outputEntries.base();
- for (i = 0; i < noes; i++)
- {
- entry &e = *oes[i];
- e.outputIndex = NOT_REQUESTED;
- }
- outputIndexLimit = 0;
- outputEntries.empty();
+ int i;
+ int noes = outputEntries.length();
+ entry **oes = (entry **)outputEntries.base();
+ for (i = 0; i < noes; i++)
+ {
+ entry &e = *oes[i];
+ e.outputIndex = NOT_REQUESTED;
+ }
+ outputIndexLimit = 0;
+ outputEntries.empty();
}
static const byte TAG_ORDER[CONSTANT_Limit] = {0, 1, 0, 2, 3, 4, 5, 7, 6, 10, 11, 12, 9, 8};
extern "C" int outputEntry_cmp(const void *e1p, const void *e2p)
{
- // Sort entries according to the Pack200 rules for deterministic
- // constant pool ordering.
- //
- // The four sort keys as follows, in order of decreasing importance:
- // 1. ldc first, then non-ldc guys
- // 2. normal cp_All entries by input order (i.e., address order)
- // 3. after that, extra entries by lexical order (as in tag_extras[*])
- entry &e1 = *(entry *)*(void **)e1p;
- entry &e2 = *(entry *)*(void **)e2p;
- int oi1 = e1.outputIndex;
- int oi2 = e2.outputIndex;
- assert(oi1 == REQUESTED || oi1 == REQUESTED_LDC);
- assert(oi2 == REQUESTED || oi2 == REQUESTED_LDC);
- if (oi1 != oi2)
- {
- if (oi1 == REQUESTED_LDC)
- return 0 - 1;
- if (oi2 == REQUESTED_LDC)
- return 1 - 0;
- // Else fall through; neither is an ldc request.
- }
- if (e1.inord != NO_INORD || e2.inord != NO_INORD)
- {
- // One or both is normal. Use input order.
- if (&e1 > &e2)
- return 1 - 0;
- if (&e1 < &e2)
- return 0 - 1;
- return 0; // equal pointers
- }
- // Both are extras. Sort by tag and then by value.
- if (e1.tag != e2.tag)
- {
- return TAG_ORDER[e1.tag] - TAG_ORDER[e2.tag];
- }
- // If the tags are the same, use string comparison.
- return compare_Utf8_chars(e1.value.b, e2.value.b);
+ // Sort entries according to the Pack200 rules for deterministic
+ // constant pool ordering.
+ //
+ // The four sort keys as follows, in order of decreasing importance:
+ // 1. ldc first, then non-ldc guys
+ // 2. normal cp_All entries by input order (i.e., address order)
+ // 3. after that, extra entries by lexical order (as in tag_extras[*])
+ entry &e1 = *(entry *)*(void **)e1p;
+ entry &e2 = *(entry *)*(void **)e2p;
+ int oi1 = e1.outputIndex;
+ int oi2 = e2.outputIndex;
+ assert(oi1 == REQUESTED || oi1 == REQUESTED_LDC);
+ assert(oi2 == REQUESTED || oi2 == REQUESTED_LDC);
+ if (oi1 != oi2)
+ {
+ if (oi1 == REQUESTED_LDC)
+ return 0 - 1;
+ if (oi2 == REQUESTED_LDC)
+ return 1 - 0;
+ // Else fall through; neither is an ldc request.
+ }
+ if (e1.inord != NO_INORD || e2.inord != NO_INORD)
+ {
+ // One or both is normal. Use input order.
+ if (&e1 > &e2)
+ return 1 - 0;
+ if (&e1 < &e2)
+ return 0 - 1;
+ return 0; // equal pointers
+ }
+ // Both are extras. Sort by tag and then by value.
+ if (e1.tag != e2.tag)
+ {
+ return TAG_ORDER[e1.tag] - TAG_ORDER[e2.tag];
+ }
+ // If the tags are the same, use string comparison.
+ return compare_Utf8_chars(e1.value.b, e2.value.b);
}
void constant_pool::computeOutputIndexes()
{
- int i;
-
- int noes = outputEntries.length();
- entry **oes = (entry **)outputEntries.base();
-
- // Sort the output constant pool into the order required by Pack200.
- PTRLIST_QSORT(outputEntries, outputEntry_cmp);
-
- // Allocate a new index for each entry that needs one.
- // We do this in two passes, one for LDC entries and one for the rest.
- int nextIndex = 1; // always skip index #0 in output cpool
- for (i = 0; i < noes; i++)
- {
- entry &e = *oes[i];
- assert(e.outputIndex == REQUESTED || e.outputIndex == REQUESTED_LDC);
- e.outputIndex = nextIndex++;
- if (e.isDoubleWord())
- nextIndex++; // do not use the next index
- }
- outputIndexLimit = nextIndex;
+ int i;
+
+ int noes = outputEntries.length();
+ entry **oes = (entry **)outputEntries.base();
+
+ // Sort the output constant pool into the order required by Pack200.
+ PTRLIST_QSORT(outputEntries, outputEntry_cmp);
+
+ // Allocate a new index for each entry that needs one.
+ // We do this in two passes, one for LDC entries and one for the rest.
+ int nextIndex = 1; // always skip index #0 in output cpool
+ for (i = 0; i < noes; i++)
+ {
+ entry &e = *oes[i];
+ assert(e.outputIndex == REQUESTED || e.outputIndex == REQUESTED_LDC);
+ e.outputIndex = nextIndex++;
+ if (e.isDoubleWord())
+ nextIndex++; // do not use the next index
+ }
+ outputIndexLimit = nextIndex;
}
// Unpacker Start
@@ -3477,64 +3473,63 @@ void constant_pool::computeOutputIndexes()
// Do not reset any unpack options.
void unpacker::reset()
{
- bytes_read_before_reset += bytes_read;
- bytes_written_before_reset += bytes_written;
- files_written_before_reset += files_written;
- classes_written_before_reset += classes_written;
- segments_read_before_reset += 1;
- if (verbose >= 2)
- {
- fprintf(stderr, "After segment %d, " LONG_LONG_FORMAT
- " bytes read and " LONG_LONG_FORMAT " bytes written.\n",
- segments_read_before_reset - 1, bytes_read_before_reset,
- bytes_written_before_reset);
- fprintf(stderr,
- "After segment %d, %d files (of which %d are classes) written to output.\n",
- segments_read_before_reset - 1, files_written_before_reset,
- classes_written_before_reset);
- if (archive_next_count != 0)
- {
- fprintf(stderr, "After segment %d, %d segment%s remaining (estimated).\n",
- segments_read_before_reset - 1, archive_next_count,
- archive_next_count == 1 ? "" : "s");
- }
- }
-
- unpacker save_u = (*this); // save bytewise image
- infileptr = nullptr; // make asserts happy
- jarout = nullptr; // do not close the output jar
- gzin = nullptr; // do not close the input gzip stream
- this->free();
- this->init(read_input_fn);
-
- // restore selected interface state:
- infileptr = save_u.infileptr;
- inbytes = save_u.inbytes;
- jarout = save_u.jarout;
- gzin = save_u.gzin;
- verbose = save_u.verbose;
- deflate_hint_or_zero = save_u.deflate_hint_or_zero;
- modification_time_or_zero = save_u.modification_time_or_zero;
- bytes_read_before_reset = save_u.bytes_read_before_reset;
- bytes_written_before_reset = save_u.bytes_written_before_reset;
- files_written_before_reset = save_u.files_written_before_reset;
- classes_written_before_reset = save_u.classes_written_before_reset;
- segments_read_before_reset = save_u.segments_read_before_reset;
- // Note: If we use strip_names, watch out: They get nuked here.
+ bytes_read_before_reset += bytes_read;
+ bytes_written_before_reset += bytes_written;
+ files_written_before_reset += files_written;
+ classes_written_before_reset += classes_written;
+ segments_read_before_reset += 1;
+ if (verbose >= 2)
+ {
+ fprintf(stderr, "After segment %d, %" PRIu64 " bytes read and %" PRIu64 " bytes written.\n",
+ segments_read_before_reset - 1, bytes_read_before_reset,
+ bytes_written_before_reset);
+ fprintf(stderr,
+ "After segment %d, %d files (of which %d are classes) written to output.\n",
+ segments_read_before_reset - 1, files_written_before_reset,
+ classes_written_before_reset);
+ if (archive_next_count != 0)
+ {
+ fprintf(stderr, "After segment %d, %d segment%s remaining (estimated).\n",
+ segments_read_before_reset - 1, archive_next_count,
+ archive_next_count == 1 ? "" : "s");
+ }
+ }
+
+ unpacker save_u = (*this); // save bytewise image
+ infileptr = nullptr; // make asserts happy
+ jarout = nullptr; // do not close the output jar
+ gzin = nullptr; // do not close the input gzip stream
+ this->free();
+ this->init(read_input_fn);
+
+ // restore selected interface state:
+ infileptr = save_u.infileptr;
+ inbytes = save_u.inbytes;
+ jarout = save_u.jarout;
+ gzin = save_u.gzin;
+ verbose = save_u.verbose;
+ deflate_hint_or_zero = save_u.deflate_hint_or_zero;
+ modification_time_or_zero = save_u.modification_time_or_zero;
+ bytes_read_before_reset = save_u.bytes_read_before_reset;
+ bytes_written_before_reset = save_u.bytes_written_before_reset;
+ files_written_before_reset = save_u.files_written_before_reset;
+ classes_written_before_reset = save_u.classes_written_before_reset;
+ segments_read_before_reset = save_u.segments_read_before_reset;
+ // Note: If we use strip_names, watch out: They get nuked here.
}
void unpacker::init(read_input_fn_t input_fn)
{
- int i;
- BYTES_OF(*this).clear();
- this->u = this; // self-reference for U_NEW macro
- read_input_fn = input_fn;
- all_bands = band::makeBands(this);
- // Make a default jar buffer; caller may safely overwrite it.
- jarout = U_NEW(jar, 1);
- jarout->init(this);
- for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
- attr_defs[i].u = u; // set up outer ptr
+ int i;
+ BYTES_OF(*this).clear();
+ this->u = this; // self-reference for U_NEW macro
+ read_input_fn = input_fn;
+ all_bands = band::makeBands(this);
+ // Make a default jar buffer; caller may safely overwrite it.
+ jarout = U_NEW(jar, 1);
+ jarout->init(this);
+ for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
+ attr_defs[i].u = u; // set up outer ptr
}
// Usage: unpack a byte buffer
@@ -3543,1251 +3538,1253 @@ void unpacker::init(read_input_fn_t input_fn)
// If nullptr, the callback is used to fill an internal buffer.
void unpacker::start(void *packptr, size_t len)
{
- if (packptr != nullptr && len != 0)
- {
- inbytes.set((byte *)packptr, len);
- }
- read_bands();
+ if (packptr != nullptr && len != 0)
+ {
+ inbytes.set((byte *)packptr, len);
+ }
+ read_bands();
}
void unpacker::check_options()
{
- if (deflate_hint_or_zero != 0)
- {
- bool force_deflate_hint = (deflate_hint_or_zero > 0);
- if (force_deflate_hint)
- default_file_options |= FO_DEFLATE_HINT;
- else
- default_file_options &= ~FO_DEFLATE_HINT;
- // Turn off per-file deflate hint by force.
- suppress_file_options |= FO_DEFLATE_HINT;
- }
- if (modification_time_or_zero != 0)
- {
- default_file_modtime = modification_time_or_zero;
- // Turn off per-file modtime by force.
- archive_options &= ~AO_HAVE_FILE_MODTIME;
- }
+ if (deflate_hint_or_zero != 0)
+ {
+ bool force_deflate_hint = (deflate_hint_or_zero > 0);
+ if (force_deflate_hint)
+ default_file_options |= FO_DEFLATE_HINT;
+ else
+ default_file_options &= ~FO_DEFLATE_HINT;
+ // Turn off per-file deflate hint by force.
+ suppress_file_options |= FO_DEFLATE_HINT;
+ }
+ if (modification_time_or_zero != 0)
+ {
+ default_file_modtime = modification_time_or_zero;
+ // Turn off per-file modtime by force.
+ archive_options &= ~AO_HAVE_FILE_MODTIME;
+ }
}
// classfile writing
void unpacker::reset_cur_classfile()
{
- // set defaults
- cur_class_minver = default_class_minver;
- cur_class_majver = default_class_majver;
-
- // reset constant pool state
- cp.resetOutputIndexes();
-
- // reset fixups
- class_fixup_type.empty();
- class_fixup_offset.empty();
- class_fixup_ref.empty();
- requested_ics.empty();
+ // set defaults
+ cur_class_minver = default_class_minver;
+ cur_class_majver = default_class_majver;
+
+ // reset constant pool state
+ cp.resetOutputIndexes();
+
+ // reset fixups
+ class_fixup_type.empty();
+ class_fixup_offset.empty();
+ class_fixup_ref.empty();
+ requested_ics.empty();
}
cpindex *constant_pool::getKQIndex()
{
- char ch = '?';
- if (u->cur_descr != nullptr)
- {
- entry *type = u->cur_descr->descrType();
- ch = type->value.b.ptr[0];
- }
- byte tag = CONSTANT_Integer;
- switch (ch)
- {
- case 'L':
- tag = CONSTANT_String;
- break;
- case 'I':
- tag = CONSTANT_Integer;
- break;
- case 'J':
- tag = CONSTANT_Long;
- break;
- case 'F':
- tag = CONSTANT_Float;
- break;
- case 'D':
- tag = CONSTANT_Double;
- break;
- case 'B':
- case 'S':
- case 'C':
- case 'Z':
- tag = CONSTANT_Integer;
- break;
- default:
- unpack_abort("bad KQ reference");
- break;
- }
- return getIndex(tag);
+ char ch = '?';
+ if (u->cur_descr != nullptr)
+ {
+ entry *type = u->cur_descr->descrType();
+ ch = type->value.b.ptr[0];
+ }
+ byte tag = CONSTANT_Integer;
+ switch (ch)
+ {
+ case 'L':
+ tag = CONSTANT_String;
+ break;
+ case 'I':
+ tag = CONSTANT_Integer;
+ break;
+ case 'J':
+ tag = CONSTANT_Long;
+ break;
+ case 'F':
+ tag = CONSTANT_Float;
+ break;
+ case 'D':
+ tag = CONSTANT_Double;
+ break;
+ case 'B':
+ case 'S':
+ case 'C':
+ case 'Z':
+ tag = CONSTANT_Integer;
+ break;
+ default:
+ unpack_abort("bad KQ reference");
+ break;
+ }
+ return getIndex(tag);
}
uint32_t unpacker::to_bci(uint32_t bii)
{
- uint32_t len = bcimap.length();
- uint32_t *map = (uint32_t *)bcimap.base();
- assert(len > 0); // must be initialized before using to_bci
- if (bii < len)
- return map[bii];
- // Else it's a fractional or out-of-range BCI.
- uint32_t key = bii - len;
- for (int i = len;; i--)
- {
- if (map[i - 1] - (i - 1) <= key)
- break;
- else
- --bii;
- }
- return bii;
+ uint32_t len = bcimap.length();
+ uint32_t *map = (uint32_t *)bcimap.base();
+ assert(len > 0); // must be initialized before using to_bci
+ if (bii < len)
+ return map[bii];
+ // Else it's a fractional or out-of-range BCI.
+ uint32_t key = bii - len;
+ for (int i = len;; i--)
+ {
+ if (map[i - 1] - (i - 1) <= key)
+ break;
+ else
+ --bii;
+ }
+ return bii;
}
void unpacker::put_stackmap_type()
{
- int tag = code_StackMapTable_T.getByte();
- putu1(tag);
- switch (tag)
- {
- case 7: // (7) [RCH]
- putref(code_StackMapTable_RC.getRef());
- break;
- case 8: // (8) [PH]
- putu2(to_bci(code_StackMapTable_P.getInt()));
- break;
- }
+ int tag = code_StackMapTable_T.getByte();
+ putu1(tag);
+ switch (tag)
+ {
+ case 7: // (7) [RCH]
+ putref(code_StackMapTable_RC.getRef());
+ break;
+ case 8: // (8) [PH]
+ putu2(to_bci(code_StackMapTable_P.getInt()));
+ break;
+ }
}
// Functions for writing code.
void unpacker::put_label(int curIP, int size)
{
- code_fixup_type.addByte(size);
- code_fixup_offset.add((int)put_empty(size));
- code_fixup_source.add(curIP);
+ code_fixup_type.addByte(size);
+ code_fixup_offset.add((int)put_empty(size));
+ code_fixup_source.add(curIP);
}
inline // called exactly once => inline
- void
+ void
unpacker::write_bc_ops()
{
- bcimap.empty();
- code_fixup_type.empty();
- code_fixup_offset.empty();
- code_fixup_source.empty();
-
- band *bc_which;
-
- byte *opptr = bc_codes.curRP();
- // No need for oplimit, since the codes are pre-counted.
-
- size_t codeBase = wpoffset();
-
- bool isAload; // copy-out result
- int origBC;
-
- entry *thisClass = cur_class;
- entry *superClass = cur_super;
- entry *newClass = nullptr; // class of last _new opcode
-
- // overwrite any prior index on these bands; it changes w/ current class:
- bc_thisfield.setIndex(cp.getFieldIndex(thisClass));
- bc_thismethod.setIndex(cp.getMethodIndex(thisClass));
- if (superClass != nullptr)
- {
- bc_superfield.setIndex(cp.getFieldIndex(superClass));
- bc_supermethod.setIndex(cp.getMethodIndex(superClass));
- }
-
- for (int curIP = 0;; curIP++)
- {
- int curPC = (int)(wpoffset() - codeBase);
- bcimap.add(curPC);
- ensure_put_space(10); // covers most instrs w/o further bounds check
- int bc = *opptr++ & 0xFF;
-
- putu1_fast(bc);
- // Note: See '--wp' below for pseudo-bytecodes like bc_end_marker.
-
- bool isWide = false;
- if (bc == bc_wide)
- {
- bc = *opptr++ & 0xFF;
- putu1_fast(bc);
- isWide = true;
- }
- switch (bc)
- {
- case bc_end_marker:
- --wp; // not really part of the code
- assert(opptr <= bc_codes.maxRP());
- bc_codes.curRP() = opptr; // advance over this in bc_codes
- goto doneScanningMethod;
- case bc_tableswitch: // apc: (df, lo, hi, (hi-lo+1)*(label))
- case bc_lookupswitch: // apc: (df, nc, nc*(case, label))
- {
- int caseCount = bc_case_count.getInt();
- while (((wpoffset() - codeBase) % 4) != 0)
- putu1_fast(0);
- ensure_put_space(30 + caseCount * 8);
- put_label(curIP, 4); // int df = bc_label.getInt();
- if (bc == bc_tableswitch)
- {
- int lo = bc_case_value.getInt();
- int hi = lo + caseCount - 1;
- putu4(lo);
- putu4(hi);
- for (int j = 0; j < caseCount; j++)
- {
- put_label(curIP, 4); // int lVal = bc_label.getInt();
- // int cVal = lo + j;
- }
- }
- else
- {
- putu4(caseCount);
- for (int j = 0; j < caseCount; j++)
- {
- int cVal = bc_case_value.getInt();
- putu4(cVal);
- put_label(curIP, 4); // int lVal = bc_label.getInt();
- }
- }
- assert((int)to_bci(curIP) == curPC);
- continue;
- }
- case bc_iinc:
- {
- int local = bc_local.getInt();
- int delta = (isWide ? bc_short : bc_byte).getInt();
- if (isWide)
- {
- putu2(local);
- putu2(delta);
- }
- else
- {
- putu1_fast(local);
- putu1_fast(delta);
- }
- continue;
- }
- case bc_sipush:
- {
- int val = bc_short.getInt();
- putu2(val);
- continue;
- }
- case bc_bipush:
- case bc_newarray:
- {
- int val = bc_byte.getByte();
- putu1_fast(val);
- continue;
- }
- case bc_ref_escape:
- {
- // Note that insnMap has one entry for this.
- --wp; // not really part of the code
- int size = bc_escrefsize.getInt();
- entry *ref = bc_escref.getRefN();
- switch (size)
- {
- case 1:
- putu1ref(ref);
- break;
- case 2:
- putref(ref);
- break;
- default:
- assert(false);
- }
- continue;
- }
- case bc_byte_escape:
- {
- // Note that insnMap has one entry for all these bytes.
- --wp; // not really part of the code
- int size = bc_escsize.getInt();
- ensure_put_space(size);
- for (int j = 0; j < size; j++)
- putu1_fast(bc_escbyte.getByte());
- continue;
- }
- default:
- if (is_invoke_init_op(bc))
- {
- origBC = bc_invokespecial;
- entry *classRef;
- switch (bc - _invokeinit_op)
- {
- case _invokeinit_self_option:
- classRef = thisClass;
- break;
- case _invokeinit_super_option:
- classRef = superClass;
- break;
- default:
- assert(bc == _invokeinit_op + _invokeinit_new_option);
- case _invokeinit_new_option:
- classRef = newClass;
- break;
- }
- wp[-1] = origBC; // overwrite with origBC
- int coding = bc_initref.getInt();
- // Find the nth overloading of <init> in classRef.
- entry *ref = nullptr;
- cpindex *ix = (classRef == nullptr) ? nullptr : cp.getMethodIndex(classRef);
- for (int j = 0, which_init = 0;; j++)
- {
- ref = (ix == nullptr) ? nullptr : ix->get(j);
- if (ref == nullptr)
- break; // oops, bad input
- assert(ref->tag == CONSTANT_Methodref);
- if (ref->memberDescr()->descrName() == cp.sym[constant_pool::s_lt_init_gt])
- {
- if (which_init++ == coding)
- break;
- }
- }
- putref(ref);
- continue;
- }
- bc_which = ref_band_for_self_op(bc, isAload, origBC);
- if (bc_which != nullptr)
- {
- if (!isAload)
- {
- wp[-1] = origBC; // overwrite with origBC
- }
- else
- {
- wp[-1] = bc_aload_0; // overwrite with _aload_0
- // Note: insnMap keeps the _aload_0 separate.
- bcimap.add(++curPC);
- ++curIP;
- putu1_fast(origBC);
- }
- entry *ref = bc_which->getRef();
- putref(ref);
- continue;
- }
- if (is_branch_op(bc))
- {
- // int lVal = bc_label.getInt();
- if (bc < bc_goto_w)
- {
- put_label(curIP, 2); // putu2(lVal & 0xFFFF);
- }
- else
- {
- assert(bc <= bc_jsr_w);
- put_label(curIP, 4); // putu4(lVal);
- }
- assert((int)to_bci(curIP) == curPC);
- continue;
- }
- bc_which = ref_band_for_op(bc);
- if (bc_which != nullptr)
- {
- entry *ref = bc_which->getRefCommon(bc_which->ix, bc_which->nullOK);
- if (ref == nullptr && bc_which == &bc_classref)
- {
- // Shorthand for class self-references.
- ref = thisClass;
- }
- origBC = bc;
- switch (bc)
- {
- case bc_ildc:
- case bc_cldc:
- case bc_fldc:
- case bc_aldc:
- origBC = bc_ldc;
- break;
- case bc_ildc_w:
- case bc_cldc_w:
- case bc_fldc_w:
- case bc_aldc_w:
- origBC = bc_ldc_w;
- break;
- case bc_lldc2_w:
- case bc_dldc2_w:
- origBC = bc_ldc2_w;
- break;
- case bc_new:
- newClass = ref;
- break;
- }
- wp[-1] = origBC; // overwrite with origBC
- if (origBC == bc_ldc)
- {
- putu1ref(ref);
- }
- else
- {
- putref(ref);
- }
- if (origBC == bc_multianewarray)
- {
- // Copy the trailing byte also.
- int val = bc_byte.getByte();
- putu1_fast(val);
- }
- else if (origBC == bc_invokeinterface)
- {
- int argSize = ref->memberDescr()->descrType()->typeSize();
- putu1_fast(1 + argSize);
- putu1_fast(0);
- }
- continue;
- }
- if (is_local_slot_op(bc))
- {
- int local = bc_local.getInt();
- if (isWide)
- {
- putu2(local);
- if (bc == bc_iinc)
- {
- int iVal = bc_short.getInt();
- putu2(iVal);
- }
- }
- else
- {
- putu1_fast(local);
- if (bc == bc_iinc)
- {
- int iVal = bc_byte.getByte();
- putu1_fast(iVal);
- }
- }
- continue;
- }
- // Random bytecode. Just copy it.
- assert(bc < bc_bytecode_limit);
- }
- }
+ bcimap.empty();
+ code_fixup_type.empty();
+ code_fixup_offset.empty();
+ code_fixup_source.empty();
+
+ band *bc_which;
+
+ byte *opptr = bc_codes.curRP();
+ // No need for oplimit, since the codes are pre-counted.
+
+ size_t codeBase = wpoffset();
+
+ bool isAload; // copy-out result
+ int origBC;
+
+ entry *thisClass = cur_class;
+ entry *superClass = cur_super;
+ entry *newClass = nullptr; // class of last _new opcode
+
+ // overwrite any prior index on these bands; it changes w/ current class:
+ bc_thisfield.setIndex(cp.getFieldIndex(thisClass));
+ bc_thismethod.setIndex(cp.getMethodIndex(thisClass));
+ if (superClass != nullptr)
+ {
+ bc_superfield.setIndex(cp.getFieldIndex(superClass));
+ bc_supermethod.setIndex(cp.getMethodIndex(superClass));
+ }
+
+ for (int curIP = 0;; curIP++)
+ {
+ int curPC = (int)(wpoffset() - codeBase);
+ bcimap.add(curPC);
+ ensure_put_space(10); // covers most instrs w/o further bounds check
+ int bc = *opptr++ & 0xFF;
+
+ putu1_fast(bc);
+ // Note: See '--wp' below for pseudo-bytecodes like bc_end_marker.
+
+ bool isWide = false;
+ if (bc == bc_wide)
+ {
+ bc = *opptr++ & 0xFF;
+ putu1_fast(bc);
+ isWide = true;
+ }
+ switch (bc)
+ {
+ case bc_end_marker:
+ --wp; // not really part of the code
+ assert(opptr <= bc_codes.maxRP());
+ bc_codes.curRP() = opptr; // advance over this in bc_codes
+ goto doneScanningMethod;
+ case bc_tableswitch: // apc: (df, lo, hi, (hi-lo+1)*(label))
+ case bc_lookupswitch: // apc: (df, nc, nc*(case, label))
+ {
+ int caseCount = bc_case_count.getInt();
+ while (((wpoffset() - codeBase) % 4) != 0)
+ putu1_fast(0);
+ ensure_put_space(30 + caseCount * 8);
+ put_label(curIP, 4); // int df = bc_label.getInt();
+ if (bc == bc_tableswitch)
+ {
+ int lo = bc_case_value.getInt();
+ int hi = lo + caseCount - 1;
+ putu4(lo);
+ putu4(hi);
+ for (int j = 0; j < caseCount; j++)
+ {
+ put_label(curIP, 4); // int lVal = bc_label.getInt();
+ // int cVal = lo + j;
+ }
+ }
+ else
+ {
+ putu4(caseCount);
+ for (int j = 0; j < caseCount; j++)
+ {
+ int cVal = bc_case_value.getInt();
+ putu4(cVal);
+ put_label(curIP, 4); // int lVal = bc_label.getInt();
+ }
+ }
+ assert((int)to_bci(curIP) == curPC);
+ continue;
+ }
+ case bc_iinc:
+ {
+ int local = bc_local.getInt();
+ int delta = (isWide ? bc_short : bc_byte).getInt();
+ if (isWide)
+ {
+ putu2(local);
+ putu2(delta);
+ }
+ else
+ {
+ putu1_fast(local);
+ putu1_fast(delta);
+ }
+ continue;
+ }
+ case bc_sipush:
+ {
+ int val = bc_short.getInt();
+ putu2(val);
+ continue;
+ }
+ case bc_bipush:
+ case bc_newarray:
+ {
+ int val = bc_byte.getByte();
+ putu1_fast(val);
+ continue;
+ }
+ case bc_ref_escape:
+ {
+ // Note that insnMap has one entry for this.
+ --wp; // not really part of the code
+ int size = bc_escrefsize.getInt();
+ entry *ref = bc_escref.getRefN();
+ switch (size)
+ {
+ case 1:
+ putu1ref(ref);
+ break;
+ case 2:
+ putref(ref);
+ break;
+ default:
+ assert(false);
+ }
+ continue;
+ }
+ case bc_byte_escape:
+ {
+ // Note that insnMap has one entry for all these bytes.
+ --wp; // not really part of the code
+ int size = bc_escsize.getInt();
+ ensure_put_space(size);
+ for (int j = 0; j < size; j++)
+ putu1_fast(bc_escbyte.getByte());
+ continue;
+ }
+ default:
+ if (is_invoke_init_op(bc))
+ {
+ origBC = bc_invokespecial;
+ entry *classRef;
+ switch (bc - _invokeinit_op)
+ {
+ case _invokeinit_self_option:
+ classRef = thisClass;
+ break;
+ case _invokeinit_super_option:
+ classRef = superClass;
+ break;
+ default:
+ assert(bc == _invokeinit_op + _invokeinit_new_option);
+ case _invokeinit_new_option:
+ classRef = newClass;
+ break;
+ }
+ wp[-1] = origBC; // overwrite with origBC
+ int coding = bc_initref.getInt();
+ // Find the nth overloading of <init> in classRef.
+ entry *ref = nullptr;
+ cpindex *ix = (classRef == nullptr) ? nullptr : cp.getMethodIndex(classRef);
+ for (int j = 0, which_init = 0;; j++)
+ {
+ ref = (ix == nullptr) ? nullptr : ix->get(j);
+ if (ref == nullptr)
+ break; // oops, bad input
+ assert(ref->tag == CONSTANT_Methodref);
+ if (ref->memberDescr()->descrName() == cp.sym[constant_pool::s_lt_init_gt])
+ {
+ if (which_init++ == coding)
+ break;
+ }
+ }
+ putref(ref);
+ continue;
+ }
+ bc_which = ref_band_for_self_op(bc, isAload, origBC);
+ if (bc_which != nullptr)
+ {
+ if (!isAload)
+ {
+ wp[-1] = origBC; // overwrite with origBC
+ }
+ else
+ {
+ wp[-1] = bc_aload_0; // overwrite with _aload_0
+ // Note: insnMap keeps the _aload_0 separate.
+ bcimap.add(++curPC);
+ ++curIP;
+ putu1_fast(origBC);
+ }
+ entry *ref = bc_which->getRef();
+ putref(ref);
+ continue;
+ }
+ if (is_branch_op(bc))
+ {
+ // int lVal = bc_label.getInt();
+ if (bc < bc_goto_w)
+ {
+ put_label(curIP, 2); // putu2(lVal & 0xFFFF);
+ }
+ else
+ {
+ assert(bc <= bc_jsr_w);
+ put_label(curIP, 4); // putu4(lVal);
+ }
+ assert((int)to_bci(curIP) == curPC);
+ continue;
+ }
+ bc_which = ref_band_for_op(bc);
+ if (bc_which != nullptr)
+ {
+ entry *ref = bc_which->getRefCommon(bc_which->ix, bc_which->nullOK);
+ if (ref == nullptr && bc_which == &bc_classref)
+ {
+ // Shorthand for class self-references.
+ ref = thisClass;
+ }
+ origBC = bc;
+ switch (bc)
+ {
+ case bc_ildc:
+ case bc_cldc:
+ case bc_fldc:
+ case bc_aldc:
+ origBC = bc_ldc;
+ break;
+ case bc_ildc_w:
+ case bc_cldc_w:
+ case bc_fldc_w:
+ case bc_aldc_w:
+ origBC = bc_ldc_w;
+ break;
+ case bc_lldc2_w:
+ case bc_dldc2_w:
+ origBC = bc_ldc2_w;
+ break;
+ case bc_new:
+ newClass = ref;
+ break;
+ }
+ wp[-1] = origBC; // overwrite with origBC
+ if (origBC == bc_ldc)
+ {
+ putu1ref(ref);
+ }
+ else
+ {
+ putref(ref);
+ }
+ if (origBC == bc_multianewarray)
+ {
+ // Copy the trailing byte also.
+ int val = bc_byte.getByte();
+ putu1_fast(val);
+ }
+ else if (origBC == bc_invokeinterface)
+ {
+ int argSize = ref->memberDescr()->descrType()->typeSize();
+ putu1_fast(1 + argSize);
+ putu1_fast(0);
+ }
+ continue;
+ }
+ if (is_local_slot_op(bc))
+ {
+ int local = bc_local.getInt();
+ if (isWide)
+ {
+ putu2(local);
+ if (bc == bc_iinc)
+ {
+ int iVal = bc_short.getInt();
+ putu2(iVal);
+ }
+ }
+ else
+ {
+ putu1_fast(local);
+ if (bc == bc_iinc)
+ {
+ int iVal = bc_byte.getByte();
+ putu1_fast(iVal);
+ }
+ }
+ continue;
+ }
+ // Random bytecode. Just copy it.
+ assert(bc < bc_bytecode_limit);
+ }
+ }
doneScanningMethod:
{
}
- // bcimap.add(curPC); // PC limit is already also in map, from bc_end_marker
-
- // Armed with a bcimap, we can now fix up all the labels.
- for (int i = 0; i < (int)code_fixup_type.size(); i++)
- {
- int type = code_fixup_type.getByte(i);
- byte *bp = wp_at(code_fixup_offset.get(i));
- int curIP = code_fixup_source.get(i);
- int destIP = curIP + bc_label.getInt();
- int span = to_bci(destIP) - to_bci(curIP);
- switch (type)
- {
- case 2:
- putu2_at(bp, (ushort)span);
- break;
- case 4:
- putu4_at(bp, span);
- break;
- default:
- assert(false);
- }
- }
+ // bcimap.add(curPC); // PC limit is already also in map, from bc_end_marker
+
+ // Armed with a bcimap, we can now fix up all the labels.
+ for (int i = 0; i < (int)code_fixup_type.size(); i++)
+ {
+ int type = code_fixup_type.getByte(i);
+ byte *bp = wp_at(code_fixup_offset.get(i));
+ int curIP = code_fixup_source.get(i);
+ int destIP = curIP + bc_label.getInt();
+ int span = to_bci(destIP) - to_bci(curIP);
+ switch (type)
+ {
+ case 2:
+ putu2_at(bp, (ushort)span);
+ break;
+ case 4:
+ putu4_at(bp, span);
+ break;
+ default:
+ assert(false);
+ }
+ }
}
inline // called exactly once => inline
- void
+ void
unpacker::write_code()
{
- int j;
-
- int max_stack, max_locals, handler_count, cflags;
- get_code_header(max_stack, max_locals, handler_count, cflags);
-
- if (max_stack < 0)
- max_stack = code_max_stack.getInt();
- if (max_locals < 0)
- max_locals = code_max_na_locals.getInt();
- if (handler_count < 0)
- handler_count = code_handler_count.getInt();
-
- int siglen = cur_descr->descrType()->typeSize();
- if ((cur_descr_flags & ACC_STATIC) == 0)
- siglen++;
- max_locals += siglen;
-
- putu2(max_stack);
- putu2(max_locals);
- size_t bcbase = put_empty(4);
-
- // Write the bytecodes themselves.
- write_bc_ops();
-
- byte *bcbasewp = wp_at(bcbase);
- putu4_at(bcbasewp, (int)(wp - (bcbasewp + 4))); // size of code attr
-
- putu2(handler_count);
- for (j = 0; j < handler_count; j++)
- {
- int bii = code_handler_start_P.getInt();
- putu2(to_bci(bii));
- bii += code_handler_end_PO.getInt();
- putu2(to_bci(bii));
- bii += code_handler_catch_PO.getInt();
- putu2(to_bci(bii));
- putref(code_handler_class_RCN.getRefN());
- }
-
- uint64_t indexBits = cflags;
- if (cflags < 0)
- {
- bool haveLongFlags = attr_defs[ATTR_CONTEXT_CODE].haveLongFlags();
- indexBits = code_flags_hi.getLong(code_flags_lo, haveLongFlags);
- }
- write_attrs(ATTR_CONTEXT_CODE, indexBits);
+ int j;
+
+ int max_stack, max_locals, handler_count, cflags;
+ get_code_header(max_stack, max_locals, handler_count, cflags);
+
+ if (max_stack < 0)
+ max_stack = code_max_stack.getInt();
+ if (max_locals < 0)
+ max_locals = code_max_na_locals.getInt();
+ if (handler_count < 0)
+ handler_count = code_handler_count.getInt();
+
+ int siglen = cur_descr->descrType()->typeSize();
+ if ((cur_descr_flags & ACC_STATIC) == 0)
+ siglen++;
+ max_locals += siglen;
+
+ putu2(max_stack);
+ putu2(max_locals);
+ size_t bcbase = put_empty(4);
+
+ // Write the bytecodes themselves.
+ write_bc_ops();
+
+ byte *bcbasewp = wp_at(bcbase);
+ putu4_at(bcbasewp, (int)(wp - (bcbasewp + 4))); // size of code attr
+
+ putu2(handler_count);
+ for (j = 0; j < handler_count; j++)
+ {
+ int bii = code_handler_start_P.getInt();
+ putu2(to_bci(bii));
+ bii += code_handler_end_PO.getInt();
+ putu2(to_bci(bii));
+ bii += code_handler_catch_PO.getInt();
+ putu2(to_bci(bii));
+ putref(code_handler_class_RCN.getRefN());
+ }
+
+ uint64_t indexBits = cflags;
+ if (cflags < 0)
+ {
+ bool haveLongFlags = attr_defs[ATTR_CONTEXT_CODE].haveLongFlags();
+ indexBits = code_flags_hi.getLong(code_flags_lo, haveLongFlags);
+ }
+ write_attrs(ATTR_CONTEXT_CODE, indexBits);
}
int unpacker::write_attrs(int attrc, uint64_t indexBits)
{
- if (indexBits == 0)
- {
- // Quick short-circuit.
- putu2(0);
- return 0;
- }
-
- attr_definitions &ad = attr_defs[attrc];
-
- int i, j, j2, idx, count;
-
- int oiCount = 0;
- if (ad.isPredefined(X_ATTR_OVERFLOW) && (indexBits & ((uint64_t)1 << X_ATTR_OVERFLOW)) != 0)
- {
- indexBits -= ((uint64_t)1 << X_ATTR_OVERFLOW);
- oiCount = ad.xxx_attr_count().getInt();
- }
-
- int bitIndexes[X_ATTR_LIMIT_FLAGS_HI];
- int biCount = 0;
-
- // Fill bitIndexes with index bits, in order.
- for (idx = 0; indexBits != 0; idx++, indexBits >>= 1)
- {
- if ((indexBits & 1) != 0)
- bitIndexes[biCount++] = idx;
- }
- assert(biCount <= (int)lengthof(bitIndexes));
-
- // Write a provisional attribute count, perhaps to be corrected later.
- int naOffset = (int)wpoffset();
- int na0 = biCount + oiCount;
- putu2(na0);
-
- int na = 0;
- for (i = 0; i < na0; i++)
- {
- if (i < biCount)
- idx = bitIndexes[i];
- else
- idx = ad.xxx_attr_indexes().getInt();
- assert(ad.isIndex(idx));
- entry *aname = nullptr;
- entry *ref; // scratch
- size_t abase = put_empty(2 + 4);
- if (idx < (int)ad.flag_limit && ad.isPredefined(idx))
- {
- // Switch on the attrc and idx simultaneously.
- switch (ADH_BYTE(attrc, idx))
- {
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_OVERFLOW) :
- case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_OVERFLOW) :
- case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_OVERFLOW) :
- case ADH_BYTE(ATTR_CONTEXT_CODE, X_ATTR_OVERFLOW) :
- // no attribute at all, so back up on this one
- wp = wp_at(abase);
- continue;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_ClassFile_version) :
- cur_class_minver = class_ClassFile_version_minor_H.getInt();
- cur_class_majver = class_ClassFile_version_major_H.getInt();
- // back up; not a real attribute
- wp = wp_at(abase);
- continue;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_InnerClasses) :
- // note the existence of this attr, but save for later
- if (cur_class_has_local_ics)
- unpack_abort("too many InnerClasses attrs");
- cur_class_has_local_ics = true;
- wp = wp_at(abase);
- continue;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_SourceFile) :
- aname = cp.sym[constant_pool::s_SourceFile];
- ref = class_SourceFile_RUN.getRefN();
- if (ref == nullptr)
- {
- bytes &n = cur_class->ref(0)->value.b;
- // parse n = (<pkg>/)*<outer>?($<id>)*
- int pkglen = lastIndexOf(SLASH_MIN, SLASH_MAX, n, (int)n.len) + 1;
- bytes prefix = n.slice(pkglen, n.len);
- for (;;)
- {
- // Work backwards, finding all '$', '#', etc.
- int dollar =
- lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, prefix, (int)prefix.len);
- if (dollar < 0)
- break;
- prefix = prefix.slice(0, dollar);
- }
- const char *suffix = ".java";
- int len = (int)(prefix.len + strlen(suffix));
- bytes name;
- name.set(T_NEW(byte, add_size(len, 1)), len);
- name.strcat(prefix).strcat(suffix);
- ref = cp.ensureUtf8(name);
- }
- putref(ref);
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_EnclosingMethod) :
- aname = cp.sym[constant_pool::s_EnclosingMethod];
- putref(class_EnclosingMethod_RC.getRefN());
- putref(class_EnclosingMethod_RDN.getRefN());
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_FIELD, FIELD_ATTR_ConstantValue) :
- aname = cp.sym[constant_pool::s_ConstantValue];
- putref(field_ConstantValue_KQ.getRefUsing(cp.getKQIndex()));
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_METHOD, METHOD_ATTR_Code) :
- aname = cp.sym[constant_pool::s_Code];
- write_code();
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_METHOD, METHOD_ATTR_Exceptions) :
- aname = cp.sym[constant_pool::s_Exceptions];
- putu2(count = method_Exceptions_N.getInt());
- for (j = 0; j < count; j++)
- {
- putref(method_Exceptions_RC.getRefN());
- }
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_StackMapTable) :
- aname = cp.sym[constant_pool::s_StackMapTable];
- // (keep this code aligned with its brother in unpacker::read_attrs)
- putu2(count = code_StackMapTable_N.getInt());
- for (j = 0; j < count; j++)
- {
- int tag = code_StackMapTable_frame_T.getByte();
- putu1(tag);
- if (tag <= 127)
- {
- // (64-127) [(2)]
- if (tag >= 64)
- put_stackmap_type();
- }
- else if (tag <= 251)
- {
- // (247) [(1)(2)]
- // (248-251) [(1)]
- if (tag >= 247)
- putu2(code_StackMapTable_offset.getInt());
- if (tag == 247)
- put_stackmap_type();
- }
- else if (tag <= 254)
- {
- // (252) [(1)(2)]
- // (253) [(1)(2)(2)]
- // (254) [(1)(2)(2)(2)]
- putu2(code_StackMapTable_offset.getInt());
- for (int k = (tag - 251); k > 0; k--)
- {
- put_stackmap_type();
- }
- }
- else
- {
- // (255) [(1)NH[(2)]NH[(2)]]
- putu2(code_StackMapTable_offset.getInt());
- putu2(j2 = code_StackMapTable_local_N.getInt());
- while (j2-- > 0)
- put_stackmap_type();
- putu2(j2 = code_StackMapTable_stack_N.getInt());
- while (j2-- > 0)
- put_stackmap_type();
- }
- }
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LineNumberTable) :
- aname = cp.sym[constant_pool::s_LineNumberTable];
- putu2(count = code_LineNumberTable_N.getInt());
- for (j = 0; j < count; j++)
- {
- putu2(to_bci(code_LineNumberTable_bci_P.getInt()));
- putu2(code_LineNumberTable_line.getInt());
- }
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LocalVariableTable) :
- aname = cp.sym[constant_pool::s_LocalVariableTable];
- putu2(count = code_LocalVariableTable_N.getInt());
- for (j = 0; j < count; j++)
- {
- int bii = code_LocalVariableTable_bci_P.getInt();
- int bci = to_bci(bii);
- putu2(bci);
- bii += code_LocalVariableTable_span_O.getInt();
- putu2(to_bci(bii) - bci);
- putref(code_LocalVariableTable_name_RU.getRefN());
- putref(code_LocalVariableTable_type_RS.getRefN());
- putu2(code_LocalVariableTable_slot.getInt());
- }
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LocalVariableTypeTable) :
- aname = cp.sym[constant_pool::s_LocalVariableTypeTable];
- putu2(count = code_LocalVariableTypeTable_N.getInt());
- for (j = 0; j < count; j++)
- {
- int bii = code_LocalVariableTypeTable_bci_P.getInt();
- int bci = to_bci(bii);
- putu2(bci);
- bii += code_LocalVariableTypeTable_span_O.getInt();
- putu2(to_bci(bii) - bci);
- putref(code_LocalVariableTypeTable_name_RU.getRefN());
- putref(code_LocalVariableTypeTable_type_RS.getRefN());
- putu2(code_LocalVariableTypeTable_slot.getInt());
- }
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_Signature) :
- aname = cp.sym[constant_pool::s_Signature];
- putref(class_Signature_RS.getRefN());
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_Signature) :
- aname = cp.sym[constant_pool::s_Signature];
- putref(field_Signature_RS.getRefN());
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_Signature) :
- aname = cp.sym[constant_pool::s_Signature];
- putref(method_Signature_RS.getRefN());
- break;
-
- case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_Deprecated) :
- case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_Deprecated) :
- case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_Deprecated) :
- aname = cp.sym[constant_pool::s_Deprecated];
- // no data
- break;
- }
- }
-
- if (aname == nullptr)
- {
- // Unparse a compressor-defined attribute.
- layout_definition *lo = ad.getLayout(idx);
- if (lo == nullptr)
- {
- unpack_abort("bad layout index");
- break;
- }
- assert((int)lo->idx == idx);
- aname = lo->nameEntry;
- if (aname == nullptr)
- {
- bytes nameb;
- nameb.set(lo->name);
- aname = cp.ensureUtf8(nameb);
- // Cache the name entry for next time.
- lo->nameEntry = aname;
- }
- // Execute all the layout elements.
- band **bands = lo->bands();
- if (lo->hasCallables())
- {
- band &cble = *bands[0];
- assert(cble.le_kind == EK_CBLE);
- bands = cble.le_body;
- }
- putlayout(bands);
- }
-
- if (aname == nullptr)
- unpack_abort("bad attribute index");
-
- byte *wp1 = wp;
- wp = wp_at(abase);
-
- // DTRT if this attr is on the strip-list.
- // (Note that we emptied the data out of the band first.)
- if (ad.strip_names.contains(aname))
- {
- continue;
- }
-
- // patch the name and length
- putref(aname);
- putu4((int)(wp1 - (wp + 4))); // put the attr size
- wp = wp1;
- na++; // count the attrs actually written
- }
-
- if (na != na0)
- // Refresh changed count.
- putu2_at(wp_at(naOffset), na);
- return na;
+ if (indexBits == 0)
+ {
+ // Quick short-circuit.
+ putu2(0);
+ return 0;
+ }
+
+ attr_definitions &ad = attr_defs[attrc];
+
+ int i, j, j2, idx, count;
+
+ int oiCount = 0;
+ if (ad.isPredefined(X_ATTR_OVERFLOW) && (indexBits & ((uint64_t)1 << X_ATTR_OVERFLOW)) != 0)
+ {
+ indexBits -= ((uint64_t)1 << X_ATTR_OVERFLOW);
+ oiCount = ad.xxx_attr_count().getInt();
+ }
+
+ int bitIndexes[X_ATTR_LIMIT_FLAGS_HI];
+ int biCount = 0;
+
+ // Fill bitIndexes with index bits, in order.
+ for (idx = 0; indexBits != 0; idx++, indexBits >>= 1)
+ {
+ if ((indexBits & 1) != 0)
+ bitIndexes[biCount++] = idx;
+ }
+ assert(biCount <= (int)lengthof(bitIndexes));
+
+ // Write a provisional attribute count, perhaps to be corrected later.
+ int naOffset = (int)wpoffset();
+ int na0 = biCount + oiCount;
+ putu2(na0);
+
+ int na = 0;
+ for (i = 0; i < na0; i++)
+ {
+ if (i < biCount)
+ idx = bitIndexes[i];
+ else
+ idx = ad.xxx_attr_indexes().getInt();
+ assert(ad.isIndex(idx));
+ entry *aname = nullptr;
+ entry *ref; // scratch
+ size_t abase = put_empty(2 + 4);
+ if (idx < (int)ad.flag_limit && ad.isPredefined(idx))
+ {
+ // Switch on the attrc and idx simultaneously.
+ switch (ADH_BYTE(attrc, idx))
+ {
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_OVERFLOW) :
+ case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_OVERFLOW) :
+ case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_OVERFLOW) :
+ case ADH_BYTE(ATTR_CONTEXT_CODE, X_ATTR_OVERFLOW) :
+ // no attribute at all, so back up on this one
+ wp = wp_at(abase);
+ continue;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_ClassFile_version) :
+ cur_class_minver = class_ClassFile_version_minor_H.getInt();
+ cur_class_majver = class_ClassFile_version_major_H.getInt();
+ // back up; not a real attribute
+ wp = wp_at(abase);
+ continue;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_InnerClasses) :
+ // note the existence of this attr, but save for later
+ if (cur_class_has_local_ics)
+ unpack_abort("too many InnerClasses attrs");
+ cur_class_has_local_ics = true;
+ wp = wp_at(abase);
+ continue;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_SourceFile) :
+ aname = cp.sym[constant_pool::s_SourceFile];
+ ref = class_SourceFile_RUN.getRefN();
+ if (ref == nullptr)
+ {
+ bytes &n = cur_class->ref(0)->value.b;
+ // parse n = (<pkg>/)*<outer>?($<id>)*
+ int pkglen = lastIndexOf(SLASH_MIN, SLASH_MAX, n, (int)n.len) + 1;
+ bytes prefix = n.slice(pkglen, n.len);
+ for (;;)
+ {
+ // Work backwards, finding all '$', '#', etc.
+ int dollar =
+ lastIndexOf(DOLLAR_MIN, DOLLAR_MAX, prefix, (int)prefix.len);
+ if (dollar < 0)
+ break;
+ prefix = prefix.slice(0, dollar);
+ }
+ const char *suffix = ".java";
+ int len = (int)(prefix.len + strlen(suffix));
+ bytes name;
+ name.set(T_NEW(byte, add_size(len, 1)), len);
+ name.strcat(prefix).strcat(suffix);
+ ref = cp.ensureUtf8(name);
+ }
+ putref(ref);
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, CLASS_ATTR_EnclosingMethod) :
+ aname = cp.sym[constant_pool::s_EnclosingMethod];
+ putref(class_EnclosingMethod_RC.getRefN());
+ putref(class_EnclosingMethod_RDN.getRefN());
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_FIELD, FIELD_ATTR_ConstantValue) :
+ aname = cp.sym[constant_pool::s_ConstantValue];
+ putref(field_ConstantValue_KQ.getRefUsing(cp.getKQIndex()));
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_METHOD, METHOD_ATTR_Code) :
+ aname = cp.sym[constant_pool::s_Code];
+ write_code();
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_METHOD, METHOD_ATTR_Exceptions) :
+ aname = cp.sym[constant_pool::s_Exceptions];
+ putu2(count = method_Exceptions_N.getInt());
+ for (j = 0; j < count; j++)
+ {
+ putref(method_Exceptions_RC.getRefN());
+ }
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_StackMapTable) :
+ aname = cp.sym[constant_pool::s_StackMapTable];
+ // (keep this code aligned with its brother in unpacker::read_attrs)
+ putu2(count = code_StackMapTable_N.getInt());
+ for (j = 0; j < count; j++)
+ {
+ int tag = code_StackMapTable_frame_T.getByte();
+ putu1(tag);
+ if (tag <= 127)
+ {
+ // (64-127) [(2)]
+ if (tag >= 64)
+ put_stackmap_type();
+ }
+ else if (tag <= 251)
+ {
+ // (247) [(1)(2)]
+ // (248-251) [(1)]
+ if (tag >= 247)
+ putu2(code_StackMapTable_offset.getInt());
+ if (tag == 247)
+ put_stackmap_type();
+ }
+ else if (tag <= 254)
+ {
+ // (252) [(1)(2)]
+ // (253) [(1)(2)(2)]
+ // (254) [(1)(2)(2)(2)]
+ putu2(code_StackMapTable_offset.getInt());
+ for (int k = (tag - 251); k > 0; k--)
+ {
+ put_stackmap_type();
+ }
+ }
+ else
+ {
+ // (255) [(1)NH[(2)]NH[(2)]]
+ putu2(code_StackMapTable_offset.getInt());
+ putu2(j2 = code_StackMapTable_local_N.getInt());
+ while (j2-- > 0)
+ put_stackmap_type();
+ putu2(j2 = code_StackMapTable_stack_N.getInt());
+ while (j2-- > 0)
+ put_stackmap_type();
+ }
+ }
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LineNumberTable) :
+ aname = cp.sym[constant_pool::s_LineNumberTable];
+ putu2(count = code_LineNumberTable_N.getInt());
+ for (j = 0; j < count; j++)
+ {
+ putu2(to_bci(code_LineNumberTable_bci_P.getInt()));
+ putu2(code_LineNumberTable_line.getInt());
+ }
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LocalVariableTable) :
+ aname = cp.sym[constant_pool::s_LocalVariableTable];
+ putu2(count = code_LocalVariableTable_N.getInt());
+ for (j = 0; j < count; j++)
+ {
+ int bii = code_LocalVariableTable_bci_P.getInt();
+ int bci = to_bci(bii);
+ putu2(bci);
+ bii += code_LocalVariableTable_span_O.getInt();
+ putu2(to_bci(bii) - bci);
+ putref(code_LocalVariableTable_name_RU.getRefN());
+ putref(code_LocalVariableTable_type_RS.getRefN());
+ putu2(code_LocalVariableTable_slot.getInt());
+ }
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CODE, CODE_ATTR_LocalVariableTypeTable) :
+ aname = cp.sym[constant_pool::s_LocalVariableTypeTable];
+ putu2(count = code_LocalVariableTypeTable_N.getInt());
+ for (j = 0; j < count; j++)
+ {
+ int bii = code_LocalVariableTypeTable_bci_P.getInt();
+ int bci = to_bci(bii);
+ putu2(bci);
+ bii += code_LocalVariableTypeTable_span_O.getInt();
+ putu2(to_bci(bii) - bci);
+ putref(code_LocalVariableTypeTable_name_RU.getRefN());
+ putref(code_LocalVariableTypeTable_type_RS.getRefN());
+ putu2(code_LocalVariableTypeTable_slot.getInt());
+ }
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_Signature) :
+ aname = cp.sym[constant_pool::s_Signature];
+ putref(class_Signature_RS.getRefN());
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_Signature) :
+ aname = cp.sym[constant_pool::s_Signature];
+ putref(field_Signature_RS.getRefN());
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_Signature) :
+ aname = cp.sym[constant_pool::s_Signature];
+ putref(method_Signature_RS.getRefN());
+ break;
+
+ case ADH_BYTE(ATTR_CONTEXT_CLASS, X_ATTR_Deprecated) :
+ case ADH_BYTE(ATTR_CONTEXT_FIELD, X_ATTR_Deprecated) :
+ case ADH_BYTE(ATTR_CONTEXT_METHOD, X_ATTR_Deprecated) :
+ aname = cp.sym[constant_pool::s_Deprecated];
+ // no data
+ break;
+ }
+ }
+
+ if (aname == nullptr)
+ {
+ // Unparse a compressor-defined attribute.
+ layout_definition *lo = ad.getLayout(idx);
+ if (lo == nullptr)
+ {
+ unpack_abort("bad layout index");
+ break;
+ }
+ assert((int)lo->idx == idx);
+ aname = lo->nameEntry;
+ if (aname == nullptr)
+ {
+ bytes nameb;
+ nameb.set(lo->name);
+ aname = cp.ensureUtf8(nameb);
+ // Cache the name entry for next time.
+ lo->nameEntry = aname;
+ }
+ // Execute all the layout elements.
+ band **bands = lo->bands();
+ if (lo->hasCallables())
+ {
+ band &cble = *bands[0];
+ assert(cble.le_kind == EK_CBLE);
+ bands = cble.le_body;
+ }
+ putlayout(bands);
+ }
+
+ if (aname == nullptr)
+ unpack_abort("bad attribute index");
+
+ byte *wp1 = wp;
+ wp = wp_at(abase);
+
+ // DTRT if this attr is on the strip-list.
+ // (Note that we emptied the data out of the band first.)
+ if (ad.strip_names.contains(aname))
+ {
+ continue;
+ }
+
+ // patch the name and length
+ putref(aname);
+ putu4((int)(wp1 - (wp + 4))); // put the attr size
+ wp = wp1;
+ na++; // count the attrs actually written
+ }
+
+ if (na != na0)
+ // Refresh changed count.
+ putu2_at(wp_at(naOffset), na);
+ return na;
}
void unpacker::write_members(int num, int attrc)
{
- attr_definitions &ad = attr_defs[attrc];
- band &member_flags_hi = ad.xxx_flags_hi();
- band &member_flags_lo = ad.xxx_flags_lo();
- band &member_descr = (&member_flags_hi)[e_field_descr - e_field_flags_hi];
- bool haveLongFlags = ad.haveLongFlags();
-
- putu2(num);
- uint64_t indexMask = attr_defs[attrc].flagIndexMask();
- for (int i = 0; i < num; i++)
- {
- uint64_t mflags = member_flags_hi.getLong(member_flags_lo, haveLongFlags);
- entry *mdescr = member_descr.getRef();
- cur_descr = mdescr;
- putu2(cur_descr_flags = (ushort)(mflags & ~indexMask));
- putref(mdescr->descrName());
- putref(mdescr->descrType());
- write_attrs(attrc, (mflags & indexMask));
- }
- cur_descr = nullptr;
+ attr_definitions &ad = attr_defs[attrc];
+ band &member_flags_hi = ad.xxx_flags_hi();
+ band &member_flags_lo = ad.xxx_flags_lo();
+ band &member_descr = (&member_flags_hi)[e_field_descr - e_field_flags_hi];
+ bool haveLongFlags = ad.haveLongFlags();
+
+ putu2(num);
+ uint64_t indexMask = attr_defs[attrc].flagIndexMask();
+ for (int i = 0; i < num; i++)
+ {
+ uint64_t mflags = member_flags_hi.getLong(member_flags_lo, haveLongFlags);
+ entry *mdescr = member_descr.getRef();
+ cur_descr = mdescr;
+ putu2(cur_descr_flags = (ushort)(mflags & ~indexMask));
+ putref(mdescr->descrName());
+ putref(mdescr->descrType());
+ write_attrs(attrc, (mflags & indexMask));
+ }
+ cur_descr = nullptr;
}
extern "C" int raw_address_cmp(const void *p1p, const void *p2p)
{
- void *p1 = *(void **)p1p;
- void *p2 = *(void **)p2p;
- return (p1 > p2) ? 1 : (p1 < p2) ? -1 : 0;
+ void *p1 = *(void **)p1p;
+ void *p2 = *(void **)p2p;
+ return (p1 > p2) ? 1 : (p1 < p2) ? -1 : 0;
}
void unpacker::write_classfile_tail()
{
- cur_classfile_tail.empty();
- set_output(&cur_classfile_tail);
+ cur_classfile_tail.empty();
+ set_output(&cur_classfile_tail);
- int i, num;
+ int i, num;
- attr_definitions &ad = attr_defs[ATTR_CONTEXT_CLASS];
+ attr_definitions &ad = attr_defs[ATTR_CONTEXT_CLASS];
- bool haveLongFlags = ad.haveLongFlags();
- uint64_t kflags = class_flags_hi.getLong(class_flags_lo, haveLongFlags);
- uint64_t indexMask = ad.flagIndexMask();
+ bool haveLongFlags = ad.haveLongFlags();
+ uint64_t kflags = class_flags_hi.getLong(class_flags_lo, haveLongFlags);
+ uint64_t indexMask = ad.flagIndexMask();
- cur_class = class_this.getRef();
- cur_super = class_super.getRef();
+ cur_class = class_this.getRef();
+ cur_super = class_super.getRef();
- if (cur_super == cur_class)
- cur_super = nullptr;
- // special representation for java/lang/Object
+ if (cur_super == cur_class)
+ cur_super = nullptr;
+ // special representation for java/lang/Object
- putu2((ushort)(kflags & ~indexMask));
- putref(cur_class);
- putref(cur_super);
+ putu2((ushort)(kflags & ~indexMask));
+ putref(cur_class);
+ putref(cur_super);
- putu2(num = class_interface_count.getInt());
- for (i = 0; i < num; i++)
- {
- putref(class_interface.getRef());
- }
+ putu2(num = class_interface_count.getInt());
+ for (i = 0; i < num; i++)
+ {
+ putref(class_interface.getRef());
+ }
- write_members(class_field_count.getInt(), ATTR_CONTEXT_FIELD);
- write_members(class_method_count.getInt(), ATTR_CONTEXT_METHOD);
+ write_members(class_field_count.getInt(), ATTR_CONTEXT_FIELD);
+ write_members(class_method_count.getInt(), ATTR_CONTEXT_METHOD);
- cur_class_has_local_ics = false; // may be set true by write_attrs
+ cur_class_has_local_ics = false; // may be set true by write_attrs
- int naOffset = (int)wpoffset();
- int na = write_attrs(ATTR_CONTEXT_CLASS, (kflags & indexMask));
+ int naOffset = (int)wpoffset();
+ int na = write_attrs(ATTR_CONTEXT_CLASS, (kflags & indexMask));
// at the very last, choose which inner classes (if any) pertain to k:
#ifdef ASSERT
- for (i = 0; i < ic_count; i++)
- {
- assert(!ics[i].requested);
- }
+ for (i = 0; i < ic_count; i++)
+ {
+ assert(!ics[i].requested);
+ }
#endif
- // First, consult the global table and the local constant pool,
- // and decide on the globally implied inner classes.
- // (Note that we read the cpool's outputIndex fields, but we
- // do not yet write them, since the local IC attribute might
- // reverse a global decision to declare an IC.)
- assert(requested_ics.length() == 0); // must start out empty
- // Always include all members of the current class.
- for (inner_class *child = cp.getFirstChildIC(cur_class); child != nullptr;
- child = cp.getNextChildIC(child))
- {
- child->requested = true;
- requested_ics.add(child);
- }
- // And, for each inner class mentioned in the constant pool,
- // include it and all its outers.
- int noes = cp.outputEntries.length();
- entry **oes = (entry **)cp.outputEntries.base();
- for (i = 0; i < noes; i++)
- {
- entry &e = *oes[i];
- if (e.tag != CONSTANT_Class)
- continue; // wrong sort
- for (inner_class *ic = cp.getIC(&e); ic != nullptr; ic = cp.getIC(ic->outer))
- {
- if (ic->requested)
- break; // already processed
- ic->requested = true;
- requested_ics.add(ic);
- }
- }
- int local_ics = requested_ics.length();
- // Second, consult a local attribute (if any) and adjust the global set.
- inner_class *extra_ics = nullptr;
- int num_extra_ics = 0;
- if (cur_class_has_local_ics)
- {
- // adjust the set of ICs by symmetric set difference w/ the locals
- num_extra_ics = class_InnerClasses_N.getInt();
- if (num_extra_ics == 0)
- {
- // Explicit zero count has an irregular meaning: It deletes the attr.
- local_ics = 0; // (short-circuit all tests of requested bits)
- }
- else
- {
- extra_ics = T_NEW(inner_class, num_extra_ics);
- // Note: extra_ics will be freed up by next call to get_next_file().
- }
- }
- for (i = 0; i < num_extra_ics; i++)
- {
- inner_class &extra_ic = extra_ics[i];
- extra_ic.inner = class_InnerClasses_RC.getRef();
- // Find the corresponding equivalent global IC:
- inner_class *global_ic = cp.getIC(extra_ic.inner);
- int flags = class_InnerClasses_F.getInt();
- if (flags == 0)
- {
- // The extra IC is simply a copy of a global IC.
- if (global_ic == nullptr)
- {
- unpack_abort("bad reference to inner class");
- break;
- }
- extra_ic = (*global_ic); // fill in rest of fields
- }
- else
- {
- flags &= ~ACC_IC_LONG_FORM; // clear high bit if set to get clean zero
- extra_ic.flags = flags;
- extra_ic.outer = class_InnerClasses_outer_RCN.getRefN();
- extra_ic.name = class_InnerClasses_name_RUN.getRefN();
- // Detect if this is an exact copy of the global tuple.
- if (global_ic != nullptr)
- {
- if (global_ic->flags != extra_ic.flags || global_ic->outer != extra_ic.outer ||
- global_ic->name != extra_ic.name)
- {
- global_ic = nullptr; // not really the same, so break the link
- }
- }
- }
- if (global_ic != nullptr && global_ic->requested)
- {
- // This local repetition reverses the globally implied request.
- global_ic->requested = false;
- extra_ic.requested = false;
- local_ics -= 1;
- }
- else
- {
- // The global either does not exist, or is not yet requested.
- extra_ic.requested = true;
- local_ics += 1;
- }
- }
- // Finally, if there are any that survived, put them into an attribute.
- // (Note that a zero-count attribute is always deleted.)
- // The putref calls below will tell the constant pool to add any
- // necessary local CP references to support the InnerClasses attribute.
- // This step must be the last round of additions to the local CP.
- if (local_ics > 0)
- {
- // append the new attribute:
- putref(cp.sym[constant_pool::s_InnerClasses]);
- putu4(2 + 2 * 4 * local_ics);
- putu2(local_ics);
- PTRLIST_QSORT(requested_ics, raw_address_cmp);
- int num_global_ics = requested_ics.length();
- for (i = -num_global_ics; i < num_extra_ics; i++)
- {
- inner_class *ic;
- if (i < 0)
- ic = (inner_class *)requested_ics.get(num_global_ics + i);
- else
- ic = &extra_ics[i];
- if (ic->requested)
- {
- putref(ic->inner);
- putref(ic->outer);
- putref(ic->name);
- putu2(ic->flags);
- }
- }
- putu2_at(wp_at(naOffset), ++na); // increment class attr count
- }
-
- // Tidy up global 'requested' bits:
- for (i = requested_ics.length(); --i >= 0;)
- {
- inner_class *ic = (inner_class *)requested_ics.get(i);
- ic->requested = false;
- }
- requested_ics.empty();
-
- close_output();
-
- // rewrite CP references in the tail
- cp.computeOutputIndexes();
- int nextref = 0;
- for (i = 0; i < (int)class_fixup_type.size(); i++)
- {
- int type = class_fixup_type.getByte(i);
- byte *fixp = wp_at(class_fixup_offset.get(i));
- entry *e = (entry *)class_fixup_ref.get(nextref++);
- int idx = e->getOutputIndex();
- switch (type)
- {
- case 1:
- putu1_at(fixp, idx);
- break;
- case 2:
- putu2_at(fixp, idx);
- break;
- default:
- assert(false); // should not reach here
- }
- }
+ // First, consult the global table and the local constant pool,
+ // and decide on the globally implied inner classes.
+ // (Note that we read the cpool's outputIndex fields, but we
+ // do not yet write them, since the local IC attribute might
+ // reverse a global decision to declare an IC.)
+ assert(requested_ics.length() == 0); // must start out empty
+ // Always include all members of the current class.
+ for (inner_class *child = cp.getFirstChildIC(cur_class); child != nullptr;
+ child = cp.getNextChildIC(child))
+ {
+ child->requested = true;
+ requested_ics.add(child);
+ }
+ // And, for each inner class mentioned in the constant pool,
+ // include it and all its outers.
+ int noes = cp.outputEntries.length();
+ entry **oes = (entry **)cp.outputEntries.base();
+ for (i = 0; i < noes; i++)
+ {
+ entry &e = *oes[i];
+ if (e.tag != CONSTANT_Class)
+ continue; // wrong sort
+ for (inner_class *ic = cp.getIC(&e); ic != nullptr; ic = cp.getIC(ic->outer))
+ {
+ if (ic->requested)
+ break; // already processed
+ ic->requested = true;
+ requested_ics.add(ic);
+ }
+ }
+ int local_ics = requested_ics.length();
+ // Second, consult a local attribute (if any) and adjust the global set.
+ inner_class *extra_ics = nullptr;
+ int num_extra_ics = 0;
+ if (cur_class_has_local_ics)
+ {
+ // adjust the set of ICs by symmetric set difference w/ the locals
+ num_extra_ics = class_InnerClasses_N.getInt();
+ if (num_extra_ics == 0)
+ {
+ // Explicit zero count has an irregular meaning: It deletes the attr.
+ local_ics = 0; // (short-circuit all tests of requested bits)
+ }
+ else
+ {
+ extra_ics = T_NEW(inner_class, num_extra_ics);
+ // Note: extra_ics will be freed up by next call to get_next_file().
+ }
+ }
+ for (i = 0; i < num_extra_ics; i++)
+ {
+ inner_class &extra_ic = extra_ics[i];
+ extra_ic.inner = class_InnerClasses_RC.getRef();
+ // Find the corresponding equivalent global IC:
+ inner_class *global_ic = cp.getIC(extra_ic.inner);
+ int flags = class_InnerClasses_F.getInt();
+ if (flags == 0)
+ {
+ // The extra IC is simply a copy of a global IC.
+ if (global_ic == nullptr)
+ {
+ unpack_abort("bad reference to inner class");
+ break;
+ }
+ extra_ic = (*global_ic); // fill in rest of fields
+ }
+ else
+ {
+ flags &= ~ACC_IC_LONG_FORM; // clear high bit if set to get clean zero
+ extra_ic.flags = flags;
+ extra_ic.outer = class_InnerClasses_outer_RCN.getRefN();
+ extra_ic.name = class_InnerClasses_name_RUN.getRefN();
+ // Detect if this is an exact copy of the global tuple.
+ if (global_ic != nullptr)
+ {
+ if (global_ic->flags != extra_ic.flags || global_ic->outer != extra_ic.outer ||
+ global_ic->name != extra_ic.name)
+ {
+ global_ic = nullptr; // not really the same, so break the link
+ }
+ }
+ }
+ if (global_ic != nullptr && global_ic->requested)
+ {
+ // This local repetition reverses the globally implied request.
+ global_ic->requested = false;
+ extra_ic.requested = false;
+ local_ics -= 1;
+ }
+ else
+ {
+ // The global either does not exist, or is not yet requested.
+ extra_ic.requested = true;
+ local_ics += 1;
+ }
+ }
+ // Finally, if there are any that survived, put them into an attribute.
+ // (Note that a zero-count attribute is always deleted.)
+ // The putref calls below will tell the constant pool to add any
+ // necessary local CP references to support the InnerClasses attribute.
+ // This step must be the last round of additions to the local CP.
+ if (local_ics > 0)
+ {
+ // append the new attribute:
+ putref(cp.sym[constant_pool::s_InnerClasses]);
+ putu4(2 + 2 * 4 * local_ics);
+ putu2(local_ics);
+ PTRLIST_QSORT(requested_ics, raw_address_cmp);
+ int num_global_ics = requested_ics.length();
+ for (i = -num_global_ics; i < num_extra_ics; i++)
+ {
+ inner_class *ic;
+ if (i < 0)
+ ic = (inner_class *)requested_ics.get(num_global_ics + i);
+ else
+ ic = &extra_ics[i];
+ if (ic->requested)
+ {
+ putref(ic->inner);
+ putref(ic->outer);
+ putref(ic->name);
+ putu2(ic->flags);
+ }
+ }
+ putu2_at(wp_at(naOffset), ++na); // increment class attr count
+ }
+
+ // Tidy up global 'requested' bits:
+ for (i = requested_ics.length(); --i >= 0;)
+ {
+ inner_class *ic = (inner_class *)requested_ics.get(i);
+ ic->requested = false;
+ }
+ requested_ics.empty();
+
+ close_output();
+
+ // rewrite CP references in the tail
+ cp.computeOutputIndexes();
+ int nextref = 0;
+ for (i = 0; i < (int)class_fixup_type.size(); i++)
+ {
+ int type = class_fixup_type.getByte(i);
+ byte *fixp = wp_at(class_fixup_offset.get(i));
+ entry *e = (entry *)class_fixup_ref.get(nextref++);
+ int idx = e->getOutputIndex();
+ switch (type)
+ {
+ case 1:
+ putu1_at(fixp, idx);
+ break;
+ case 2:
+ putu2_at(fixp, idx);
+ break;
+ default:
+ assert(false); // should not reach here
+ }
+ }
}
void unpacker::write_classfile_head()
{
- cur_classfile_head.empty();
- set_output(&cur_classfile_head);
-
- putu4(JAVA_MAGIC);
- putu2(cur_class_minver);
- putu2(cur_class_majver);
- putu2(cp.outputIndexLimit);
-
- int checkIndex = 1;
- int noes = cp.outputEntries.length();
- entry **oes = (entry **)cp.outputEntries.base();
- for (int i = 0; i < noes; i++)
- {
- entry &e = *oes[i];
- assert(e.getOutputIndex() == checkIndex++);
- byte tag = e.tag;
- assert(tag != CONSTANT_Signature);
- putu1(tag);
- switch (tag)
- {
- case CONSTANT_Utf8:
- putu2((int)e.value.b.len);
- put_bytes(e.value.b);
- break;
- case CONSTANT_Integer:
- case CONSTANT_Float:
- putu4(e.value.i);
- break;
- case CONSTANT_Long:
- case CONSTANT_Double:
- putu8(e.value.l);
- assert(checkIndex++);
- break;
- case CONSTANT_Class:
- case CONSTANT_String:
- // just write the ref
- putu2(e.refs[0]->getOutputIndex());
- break;
- case CONSTANT_Fieldref:
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- case CONSTANT_NameandType:
- putu2(e.refs[0]->getOutputIndex());
- putu2(e.refs[1]->getOutputIndex());
- break;
- default:
- unpack_abort(ERROR_INTERNAL);
- }
- }
- close_output();
+ cur_classfile_head.empty();
+ set_output(&cur_classfile_head);
+
+ putu4(JAVA_MAGIC);
+ putu2(cur_class_minver);
+ putu2(cur_class_majver);
+ putu2(cp.outputIndexLimit);
+
+#ifndef NDEBUG
+ int checkIndex = 1;
+#endif
+ int noes = cp.outputEntries.length();
+ entry **oes = (entry **)cp.outputEntries.base();
+ for (int i = 0; i < noes; i++)
+ {
+ entry &e = *oes[i];
+ assert(e.getOutputIndex() == checkIndex++);
+ byte tag = e.tag;
+ assert(tag != CONSTANT_Signature);
+ putu1(tag);
+ switch (tag)
+ {
+ case CONSTANT_Utf8:
+ putu2((int)e.value.b.len);
+ put_bytes(e.value.b);
+ break;
+ case CONSTANT_Integer:
+ case CONSTANT_Float:
+ putu4(e.value.i);
+ break;
+ case CONSTANT_Long:
+ case CONSTANT_Double:
+ putu8(e.value.l);
+ assert(checkIndex++);
+ break;
+ case CONSTANT_Class:
+ case CONSTANT_String:
+ // just write the ref
+ putu2(e.refs[0]->getOutputIndex());
+ break;
+ case CONSTANT_Fieldref:
+ case CONSTANT_Methodref:
+ case CONSTANT_InterfaceMethodref:
+ case CONSTANT_NameandType:
+ putu2(e.refs[0]->getOutputIndex());
+ putu2(e.refs[1]->getOutputIndex());
+ break;
+ default:
+ unpack_abort(ERROR_INTERNAL);
+ }
+ }
+ close_output();
}
unpacker::file *unpacker::get_next_file()
{
- free_temps();
- if (files_remaining == 0)
- {
- // Leave a clue that we're exhausted.
- cur_file.name = nullptr;
- cur_file.size = 0;
- if (archive_size != 0)
- {
- uint64_t predicted_size = unsized_bytes_read + archive_size;
- if (predicted_size != bytes_read)
- unpack_abort("archive header had incorrect size");
- }
- return nullptr;
- }
- files_remaining -= 1;
- assert(files_written < file_count || classes_written < class_count);
- cur_file.name = "";
- cur_file.size = 0;
- cur_file.modtime = default_file_modtime;
- cur_file.options = default_file_options;
- cur_file.data[0].set(nullptr, 0);
- cur_file.data[1].set(nullptr, 0);
- if (files_written < file_count)
- {
- entry *e = file_name.getRef();
- cur_file.name = e->utf8String();
- bool haveLongSize = ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0);
- cur_file.size = file_size_hi.getLong(file_size_lo, haveLongSize);
- if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
- cur_file.modtime += file_modtime.getInt(); // relative to archive modtime
- if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0)
- cur_file.options |= file_options.getInt() & ~suppress_file_options;
- }
- else if (classes_written < class_count)
- {
- // there is a class for a missing file record
- cur_file.options |= FO_IS_CLASS_STUB;
- }
- if ((cur_file.options & FO_IS_CLASS_STUB) != 0)
- {
- assert(classes_written < class_count);
- classes_written += 1;
- if (cur_file.size != 0)
- {
- unpack_abort("class file size transmitted");
- }
- reset_cur_classfile();
-
- // write the meat of the classfile:
- write_classfile_tail();
- cur_file.data[1] = cur_classfile_tail.b;
-
- // write the CP of the classfile, second:
- write_classfile_head();
- cur_file.data[0] = cur_classfile_head.b;
-
- cur_file.size += cur_file.data[0].len;
- cur_file.size += cur_file.data[1].len;
- if (cur_file.name[0] == '\0')
- {
- bytes &prefix = cur_class->ref(0)->value.b;
- const char *suffix = ".class";
- int len = (int)(prefix.len + strlen(suffix));
- bytes name;
- name.set(T_NEW(byte, add_size(len, 1)), len);
- cur_file.name = name.strcat(prefix).strcat(suffix).strval();
- }
- }
- else
- {
- // If there is buffered file data, produce a pointer to it.
- if (cur_file.size != (size_t)cur_file.size)
- {
- // Silly size specified.
- unpack_abort("resource file too large");
- }
- size_t rpleft = input_remaining();
- if (rpleft > 0)
- {
- if (rpleft > cur_file.size)
- rpleft = (size_t)cur_file.size;
- cur_file.data[0].set(rp, rpleft);
- rp += rpleft;
- }
- if (rpleft < cur_file.size)
- {
- // Caller must read the rest.
- size_t fleft = (size_t)cur_file.size - rpleft;
- bytes_read += fleft; // Credit it to the overall archive size.
- }
- }
- bytes_written += cur_file.size;
- files_written += 1;
- return &cur_file;
+ free_temps();
+ if (files_remaining == 0)
+ {
+ // Leave a clue that we're exhausted.
+ cur_file.name = nullptr;
+ cur_file.size = 0;
+ if (archive_size != 0)
+ {
+ uint64_t predicted_size = unsized_bytes_read + archive_size;
+ if (predicted_size != bytes_read)
+ unpack_abort("archive header had incorrect size");
+ }
+ return nullptr;
+ }
+ files_remaining -= 1;
+ assert(files_written < file_count || classes_written < class_count);
+ cur_file.name = "";
+ cur_file.size = 0;
+ cur_file.modtime = default_file_modtime;
+ cur_file.options = default_file_options;
+ cur_file.data[0].set(nullptr, 0);
+ cur_file.data[1].set(nullptr, 0);
+ if (files_written < file_count)
+ {
+ entry *e = file_name.getRef();
+ cur_file.name = e->utf8String();
+ bool haveLongSize = ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0);
+ cur_file.size = file_size_hi.getLong(file_size_lo, haveLongSize);
+ if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
+ cur_file.modtime += file_modtime.getInt(); // relative to archive modtime
+ if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0)
+ cur_file.options |= file_options.getInt() & ~suppress_file_options;
+ }
+ else if (classes_written < class_count)
+ {
+ // there is a class for a missing file record
+ cur_file.options |= FO_IS_CLASS_STUB;
+ }
+ if ((cur_file.options & FO_IS_CLASS_STUB) != 0)
+ {
+ assert(classes_written < class_count);
+ classes_written += 1;
+ if (cur_file.size != 0)
+ {
+ unpack_abort("class file size transmitted");
+ }
+ reset_cur_classfile();
+
+ // write the meat of the classfile:
+ write_classfile_tail();
+ cur_file.data[1] = cur_classfile_tail.b;
+
+ // write the CP of the classfile, second:
+ write_classfile_head();
+ cur_file.data[0] = cur_classfile_head.b;
+
+ cur_file.size += cur_file.data[0].len;
+ cur_file.size += cur_file.data[1].len;
+ if (cur_file.name[0] == '\0')
+ {
+ bytes &prefix = cur_class->ref(0)->value.b;
+ const char *suffix = ".class";
+ int len = (int)(prefix.len + strlen(suffix));
+ bytes name;
+ name.set(T_NEW(byte, add_size(len, 1)), len);
+ cur_file.name = name.strcat(prefix).strcat(suffix).strval();
+ }
+ }
+ else
+ {
+ // If there is buffered file data, produce a pointer to it.
+ if (cur_file.size != (size_t)cur_file.size)
+ {
+ // Silly size specified.
+ unpack_abort("resource file too large");
+ }
+ size_t rpleft = input_remaining();
+ if (rpleft > 0)
+ {
+ if (rpleft > cur_file.size)
+ rpleft = (size_t)cur_file.size;
+ cur_file.data[0].set(rp, rpleft);
+ rp += rpleft;
+ }
+ if (rpleft < cur_file.size)
+ {
+ // Caller must read the rest.
+ size_t fleft = (size_t)cur_file.size - rpleft;
+ bytes_read += fleft; // Credit it to the overall archive size.
+ }
+ }
+ bytes_written += cur_file.size;
+ files_written += 1;
+ return &cur_file;
}
// Write a file to jarout.
void unpacker::write_file_to_jar(unpacker::file *f)
{
- size_t htsize = f->data[0].len + f->data[1].len;
- uint64_t fsize = f->size;
- if (htsize == fsize)
- {
- jarout->addJarEntry(f->name, f->deflate_hint(), f->modtime, f->data[0], f->data[1]);
- }
- else
- {
- assert(input_remaining() == 0);
- bytes part1, part2;
- part1.len = f->data[0].len;
- part1.set(T_NEW(byte, part1.len), part1.len);
- part1.copyFrom(f->data[0]);
- assert(f->data[1].len == 0);
- part2.set(nullptr, 0);
- size_t fleft = (size_t)fsize - part1.len;
- assert(bytes_read > fleft); // part2 already credited by get_next_file
- bytes_read -= fleft;
- if (fleft > 0)
- {
- // Must read some more.
- if (live_input)
- {
- // Stop using the input buffer. Make a new one:
- if (free_input)
- input.free();
- input.init(fleft > (1 << 12) ? fleft : (1 << 12));
- free_input = true;
- live_input = false;
- }
- else
- {
- // Make it large enough.
- assert(free_input); // must be reallocable
- input.ensureSize(fleft);
- }
- rplimit = rp = input.base();
- input.setLimit(rp + fleft);
- if (!ensure_input(fleft))
- unpack_abort("EOF reading resource file");
- part2.ptr = input_scan();
- part2.len = input_remaining();
- rplimit = rp = input.base();
- }
- jarout->addJarEntry(f->name, f->deflate_hint(), f->modtime, part1, part2);
- }
- if (verbose >= 3)
- {
- fprintf(stderr, "Wrote " LONG_LONG_FORMAT " bytes to: %s\n", fsize, f->name);
- }
+ size_t htsize = f->data[0].len + f->data[1].len;
+ uint64_t fsize = f->size;
+ if (htsize == fsize)
+ {
+ jarout->addJarEntry(f->name, f->deflate_hint(), f->modtime, f->data[0], f->data[1]);
+ }
+ else
+ {
+ assert(input_remaining() == 0);
+ bytes part1, part2;
+ part1.len = f->data[0].len;
+ part1.set(T_NEW(byte, part1.len), part1.len);
+ part1.copyFrom(f->data[0]);
+ assert(f->data[1].len == 0);
+ part2.set(nullptr, 0);
+ size_t fleft = (size_t)fsize - part1.len;
+ assert(bytes_read > fleft); // part2 already credited by get_next_file
+ bytes_read -= fleft;
+ if (fleft > 0)
+ {
+ // Must read some more.
+ if (live_input)
+ {
+ // Stop using the input buffer. Make a new one:
+ if (free_input)
+ input.free();
+ input.init(fleft > (1 << 12) ? fleft : (1 << 12));
+ free_input = true;
+ live_input = false;
+ }
+ else
+ {
+ // Make it large enough.
+ assert(free_input); // must be reallocable
+ input.ensureSize(fleft);
+ }
+ rplimit = rp = input.base();
+ input.setLimit(rp + fleft);
+ if (!ensure_input(fleft))
+ unpack_abort("EOF reading resource file");
+ part2.ptr = input_scan();
+ part2.len = input_remaining();
+ rplimit = rp = input.base();
+ }
+ jarout->addJarEntry(f->name, f->deflate_hint(), f->modtime, part1, part2);
+ }
+ if (verbose >= 3)
+ {
+ fprintf(stderr, "Wrote %" PRIu64 " bytes to: %s\n", fsize, f->name);
+ }
}
diff --git a/libraries/pack200/src/unpack.h b/libraries/pack200/src/unpack.h
index 0100700d..cc5dd60a 100644
--- a/libraries/pack200/src/unpack.h
+++ b/libraries/pack200/src/unpack.h
@@ -23,6 +23,8 @@
* questions.
*/
+#pragma once
+
// Global Structures
struct jar;
struct gunzip;
@@ -33,106 +35,108 @@ struct cpindex;
struct inner_class;
struct value_stream;
+typedef int64_t (*read_input_fn_t)(unpacker *self, void *buf, int64_t minlen, int64_t maxlen);
+
struct cpindex
{
- uint32_t len;
- entry *base1; // base of primary index
- entry **base2; // base of secondary index
- byte ixTag; // type of entries (!= CONSTANT_None), plus 64 if sub-index
- enum
- {
- SUB_TAG = 64
- };
-
- entry *get(uint32_t i);
-
- void init(int len_, entry *base1_, int ixTag_)
- {
- len = len_;
- base1 = base1_;
- base2 = nullptr;
- ixTag = ixTag_;
- }
- void init(int len_, entry **base2_, int ixTag_)
- {
- len = len_;
- base1 = nullptr;
- base2 = base2_;
- ixTag = ixTag_;
- }
+ uint32_t len;
+ entry *base1; // base of primary index
+ entry **base2; // base of secondary index
+ byte ixTag; // type of entries (!= CONSTANT_None), plus 64 if sub-index
+ enum
+ {
+ SUB_TAG = 64
+ };
+
+ entry *get(uint32_t i);
+
+ void init(int len_, entry *base1_, int ixTag_)
+ {
+ len = len_;
+ base1 = base1_;
+ base2 = nullptr;
+ ixTag = ixTag_;
+ }
+ void init(int len_, entry **base2_, int ixTag_)
+ {
+ len = len_;
+ base1 = nullptr;
+ base2 = base2_;
+ ixTag = ixTag_;
+ }
};
struct constant_pool
{
- uint32_t nentries;
- entry *entries;
- entry *first_extra_entry;
- uint32_t maxentries; // total allocated size of entries
-
- // Position and size of each homogeneous subrange:
- int tag_count[CONSTANT_Limit];
- int tag_base[CONSTANT_Limit];
- cpindex tag_index[CONSTANT_Limit];
- ptrlist tag_extras[CONSTANT_Limit];
-
- cpindex *member_indexes; // indexed by 2*CONSTANT_Class.inord
- cpindex *getFieldIndex(entry *classRef);
- cpindex *getMethodIndex(entry *classRef);
-
- inner_class **ic_index;
- inner_class **ic_child_index;
- inner_class *getIC(entry *inner);
- inner_class *getFirstChildIC(entry *outer);
- inner_class *getNextChildIC(inner_class *child);
-
- int outputIndexLimit; // index limit after renumbering
- ptrlist outputEntries; // list of entry* needing output idx assigned
-
- entry **hashTab;
- uint32_t hashTabLength;
- entry *&hashTabRef(byte tag, bytes &b);
- entry *ensureUtf8(bytes &b);
- entry *ensureClass(bytes &b);
-
- // Well-known Utf8 symbols.
- enum
- {
+ uint32_t nentries;
+ entry *entries;
+ entry *first_extra_entry;
+ uint32_t maxentries; // total allocated size of entries
+
+ // Position and size of each homogeneous subrange:
+ int tag_count[CONSTANT_Limit];
+ int tag_base[CONSTANT_Limit];
+ cpindex tag_index[CONSTANT_Limit];
+ ptrlist tag_extras[CONSTANT_Limit];
+
+ cpindex *member_indexes; // indexed by 2*CONSTANT_Class.inord
+ cpindex *getFieldIndex(entry *classRef);
+ cpindex *getMethodIndex(entry *classRef);
+
+ inner_class **ic_index;
+ inner_class **ic_child_index;
+ inner_class *getIC(entry *inner);
+ inner_class *getFirstChildIC(entry *outer);
+ inner_class *getNextChildIC(inner_class *child);
+
+ int outputIndexLimit; // index limit after renumbering
+ ptrlist outputEntries; // list of entry* needing output idx assigned
+
+ entry **hashTab;
+ uint32_t hashTabLength;
+ entry *&hashTabRef(byte tag, bytes &b);
+ entry *ensureUtf8(bytes &b);
+ entry *ensureClass(bytes &b);
+
+ // Well-known Utf8 symbols.
+ enum
+ {
#define SNAME(n, s) s_##s,
- ALL_ATTR_DO(SNAME)
+ ALL_ATTR_DO(SNAME)
#undef SNAME
- s_lt_init_gt, // <init>
- s_LIMIT
- };
- entry *sym[s_LIMIT];
-
- // read counts from hdr, allocate main arrays
- enum
- {
- NUM_COUNTS = 12
- };
- void init(unpacker *u, int counts[NUM_COUNTS]);
-
- // pointer to outer unpacker, for error checks etc.
- unpacker *u;
-
- int getCount(byte tag)
- {
- assert((uint32_t)tag < CONSTANT_Limit);
- return tag_count[tag];
- }
- cpindex *getIndex(byte tag)
- {
- assert((uint32_t)tag < CONSTANT_Limit);
- return &tag_index[tag];
- }
- cpindex *getKQIndex(); // uses cur_descr
-
- void expandSignatures();
- void initMemberIndexes();
-
- void computeOutputOrder();
- void computeOutputIndexes();
- void resetOutputIndexes();
+ s_lt_init_gt, // <init>
+ s_LIMIT
+ };
+ entry *sym[s_LIMIT];
+
+ // read counts from hdr, allocate main arrays
+ enum
+ {
+ NUM_COUNTS = 12
+ };
+ void init(unpacker *u, int counts[NUM_COUNTS]);
+
+ // pointer to outer unpacker, for error checks etc.
+ unpacker *u;
+
+ int getCount(byte tag)
+ {
+ assert((uint32_t)tag < CONSTANT_Limit);
+ return tag_count[tag];
+ }
+ cpindex *getIndex(byte tag)
+ {
+ assert((uint32_t)tag < CONSTANT_Limit);
+ return &tag_index[tag];
+ }
+ cpindex *getKQIndex(); // uses cur_descr
+
+ void expandSignatures();
+ void initMemberIndexes();
+
+ void computeOutputOrder();
+ void computeOutputIndexes();
+ void resetOutputIndexes();
};
/*
@@ -141,407 +145,405 @@ struct constant_pool
*/
struct unpacker
{
- // One element of the resulting JAR.
- struct file
- {
- const char *name;
- uint64_t size;
- int modtime;
- int options;
- bytes data[2];
- // Note: If Sum(data[*].len) < size,
- // remaining bytes must be read directly from the input stream.
- bool deflate_hint()
- {
- return ((options & FO_DEFLATE_HINT) != 0);
- }
- };
-
- // if running Unix-style, here are the inputs and outputs
- FILE *infileptr; // buffered
- bytes inbytes; // direct
- gunzip *gzin; // gunzip filter, if any
- jar *jarout; // output JAR file
-
- // pointer to self, for U_NEW macro
- unpacker *u;
-
- ptrlist mallocs; // list of guys to free when we are all done
- ptrlist tmallocs; // list of guys to free on next client request
- fillbytes smallbuf; // supplies small alloc requests
- fillbytes tsmallbuf; // supplies temporary small alloc requests
-
- // option management members
- int verbose; // verbose level, 0 means no output
- int deflate_hint_or_zero; // ==0 means not set, otherwise -1 or 1
- int modification_time_or_zero;
-
- // input stream
- fillbytes input; // the whole block (size is predicted, has slop too)
- bool live_input; // is the data in this block live?
- bool free_input; // must the input buffer be freed?
- byte *rp; // read pointer (< rplimit <= input.limit())
- byte *rplimit; // how much of the input block has been read?
- uint64_t bytes_read;
- int unsized_bytes_read;
-
- // callback to read at least one byte, up to available input
- typedef int64_t (*read_input_fn_t)(unpacker *self, void *buf, int64_t minlen,
- int64_t maxlen);
- read_input_fn_t read_input_fn;
-
- // archive header fields
- int magic, minver, majver;
- size_t archive_size;
- int archive_next_count, archive_options, archive_modtime;
- int band_headers_size;
- int file_count, attr_definition_count, ic_count, class_count;
- int default_class_minver, default_class_majver;
- int default_file_options, suppress_file_options; // not header fields
- int default_archive_modtime, default_file_modtime; // not header fields
- int code_count; // not a header field
- int files_remaining; // not a header field
-
- // engine state
- band *all_bands; // indexed by band_number
- byte *meta_rp; // read-pointer into (copy of) band_headers
- constant_pool cp; // all constant pool information
- inner_class *ics; // InnerClasses
-
- // output stream
- bytes output; // output block (either classfile head or tail)
- byte *wp; // write pointer (< wplimit == output.limit())
- byte *wpbase; // write pointer starting address (<= wp)
- byte *wplimit; // how much of the output block has been written?
-
- // output state
- file cur_file;
- entry *cur_class; // CONSTANT_Class entry
- entry *cur_super; // CONSTANT_Class entry or nullptr
- entry *cur_descr; // CONSTANT_NameandType entry
- int cur_descr_flags; // flags corresponding to cur_descr
- int cur_class_minver, cur_class_majver;
- bool cur_class_has_local_ics;
- fillbytes cur_classfile_head;
- fillbytes cur_classfile_tail;
- int files_written; // also tells which file we're working on
- int classes_written; // also tells which class we're working on
- uint64_t bytes_written;
- intlist bcimap;
- fillbytes class_fixup_type;
- intlist class_fixup_offset;
- ptrlist class_fixup_ref;
- fillbytes code_fixup_type; // which format of branch operand?
- intlist code_fixup_offset; // location of operand needing fixup
- intlist code_fixup_source; // encoded ID of branch insn
- ptrlist requested_ics; // which ics need output?
-
- // stats pertaining to multiple segments (updated on reset)
- uint64_t bytes_read_before_reset;
- uint64_t bytes_written_before_reset;
- int files_written_before_reset;
- int classes_written_before_reset;
- int segments_read_before_reset;
-
- // attribute state
- struct layout_definition
- {
- uint32_t idx; // index (0..31...) which identifies this layout
- const char *name; // name of layout
- entry *nameEntry;
- const char *layout; // string of layout (not yet parsed)
- band **elems; // array of top-level layout elems (or callables)
-
- bool hasCallables()
- {
- return layout[0] == '[';
- }
- band **bands()
- {
- assert(elems != nullptr);
- return elems;
- }
- };
- struct attr_definitions
- {
- unpacker *u; // pointer to self, for U_NEW macro
- int xxx_flags_hi_bn; // locator for flags, count, indexes, calls bands
- int attrc; // ATTR_CONTEXT_CLASS, etc.
- uint32_t flag_limit; // 32 or 63, depending on archive_options bit
- uint64_t predef; // mask of built-in definitions
- uint64_t redef; // mask of local flag definitions or redefinitions
- ptrlist layouts; // local (compressor-defined) defs, in index order
- int flag_count[X_ATTR_LIMIT_FLAGS_HI];
- intlist overflow_count;
- ptrlist strip_names; // what attribute names are being stripped?
- ptrlist band_stack; // Temp., used during layout parsing.
- ptrlist calls_to_link; // (ditto)
- int bands_made; // (ditto)
-
- void free()
- {
- layouts.free();
- overflow_count.free();
- strip_names.free();
- band_stack.free();
- calls_to_link.free();
- }
-
- // Locate the five fixed bands.
- band &xxx_flags_hi();
- band &xxx_flags_lo();
- band &xxx_attr_count();
- band &xxx_attr_indexes();
- band &xxx_attr_calls();
- band &fixed_band(int e_class_xxx);
-
- // Register a new layout, and make bands for it.
- layout_definition *defineLayout(int idx, const char *name, const char *layout);
- layout_definition *defineLayout(int idx, entry *nameEntry, const char *layout);
- band **buildBands(layout_definition *lo);
-
- // Parse a layout string or part of one, recursively if necessary.
- const char *parseLayout(const char *lp, band **&res, int curCble);
- const char *parseNumeral(const char *lp, int &res);
- const char *parseIntLayout(const char *lp, band *&res, byte le_kind,
- bool can_be_signed = false);
- band **popBody(int band_stack_base); // pops a body off band_stack
-
- // Read data into the bands of the idx-th layout.
- void readBandData(int idx); // parse layout, make bands, read data
- void readBandData(band **body, uint32_t count); // recursive helper
-
- layout_definition *getLayout(uint32_t idx)
- {
- if (idx >= (uint32_t)layouts.length())
- return nullptr;
- return (layout_definition *)layouts.get(idx);
- }
-
- void setHaveLongFlags(bool z)
- {
- assert(flag_limit == 0); // not set up yet
- flag_limit = (z ? X_ATTR_LIMIT_FLAGS_HI : X_ATTR_LIMIT_NO_FLAGS_HI);
- }
- bool haveLongFlags()
- {
- assert(flag_limit == X_ATTR_LIMIT_NO_FLAGS_HI ||
- flag_limit == X_ATTR_LIMIT_FLAGS_HI);
- return flag_limit == X_ATTR_LIMIT_FLAGS_HI;
- }
-
- // Return flag_count if idx is predef and not redef, else zero.
- int predefCount(uint32_t idx);
-
- bool isRedefined(uint32_t idx)
- {
- if (idx >= flag_limit)
- return false;
- return (bool)((redef >> idx) & 1);
- }
- bool isPredefined(uint32_t idx)
- {
- if (idx >= flag_limit)
- return false;
- return (bool)(((predef & ~redef) >> idx) & 1);
- }
- uint64_t flagIndexMask()
- {
- return (predef | redef);
- }
- bool isIndex(uint32_t idx)
- {
- assert(flag_limit != 0); // must be set up already
- if (idx < flag_limit)
- return (bool)(((predef | redef) >> idx) & 1);
- else
- return (idx - flag_limit < (uint32_t)overflow_count.length());
- }
- int &getCount(uint32_t idx)
- {
- assert(isIndex(idx));
- if (idx < flag_limit)
- return flag_count[idx];
- else
- return overflow_count.get(idx - flag_limit);
- }
- };
-
- attr_definitions attr_defs[ATTR_CONTEXT_LIMIT];
-
- // Initialization
- void init(read_input_fn_t input_fn = nullptr);
- // Resets to a known sane state
- void reset();
- // Deallocates all storage.
- void free();
- // Deallocates temporary storage (volatile after next client call).
- void free_temps()
- {
- tsmallbuf.init();
- tmallocs.freeAll();
- }
-
- // Option management methods
- bool set_option(const char *option, const char *value);
- const char *get_option(const char *option);
-
- // Fetching input.
- bool ensure_input(int64_t more);
- byte *input_scan()
- {
- return rp;
- }
- size_t input_remaining()
- {
- return rplimit - rp;
- }
- size_t input_consumed()
- {
- return rp - input.base();
- }
-
- // Entry points to the unpack engine
- static int run(int argc, char **argv); // Unix-style entry point.
- void check_options();
- void start(void *packptr = nullptr, size_t len = 0);
- void write_file_to_jar(file *f);
- void finish();
-
- // Public post unpack methods
- int get_files_remaining()
- {
- return files_remaining;
- }
- int get_segments_remaining()
- {
- return archive_next_count;
- }
- file *get_next_file(); // returns nullptr on last file
-
- // General purpose methods
- void *alloc(size_t size)
- {
- return alloc_heap(size, true);
- }
- void *temp_alloc(size_t size)
- {
- return alloc_heap(size, true, true);
- }
- void *alloc_heap(size_t size, bool smallOK = false, bool temp = false);
- void saveTo(bytes &b, const char *str)
- {
- saveTo(b, (byte *)str, strlen(str));
- }
- void saveTo(bytes &b, bytes &data)
- {
- saveTo(b, data.ptr, data.len);
- }
- void saveTo(bytes &b, byte *ptr, size_t len); //{ b.ptr = U_NEW...}
- const char *saveStr(const char *str)
- {
- bytes buf;
- saveTo(buf, str);
- return buf.strval();
- }
- const char *saveIntStr(int num)
- {
- char buf[30];
- sprintf(buf, "%d", num);
- return saveStr(buf);
- }
- static unpacker *current(); // find current instance
-
- // Output management
- void set_output(fillbytes *which)
- {
- assert(wp == nullptr);
- which->ensureSize(1 << 12); // covers the average classfile
- wpbase = which->base();
- wp = which->limit();
- wplimit = which->end();
- }
- fillbytes *close_output(fillbytes *which = nullptr); // inverse of set_output
-
- // These take an implicit parameter of wp/wplimit, and resize as necessary:
- byte *put_space(size_t len); // allocates space at wp, returns pointer
- size_t put_empty(size_t s)
- {
- byte *p = put_space(s);
- return p - wpbase;
- }
- void ensure_put_space(size_t len);
- void put_bytes(bytes &b)
- {
- b.writeTo(put_space(b.len));
- }
- void putu1(int n)
- {
- putu1_at(put_space(1), n);
- }
- void putu1_fast(int n)
- {
- putu1_at(wp++, n);
- }
- void putu2(int n); // { putu2_at(put_space(2), n); }
- void putu4(int n); // { putu4_at(put_space(4), n); }
- void putu8(int64_t n); // { putu8_at(put_space(8), n); }
- void putref(entry *e); // { putu2_at(put_space(2), putref_index(e, 2)); }
- void putu1ref(entry *e); // { putu1_at(put_space(1), putref_index(e, 1)); }
- int putref_index(entry *e, int size); // size in [1..2]
- void put_label(int curIP, int size); // size in {2,4}
- void putlayout(band **body);
- void put_stackmap_type();
-
- size_t wpoffset()
- {
- return (size_t)(wp - wpbase);
- } // (unvariant across overflow)
- byte *wp_at(size_t offset)
- {
- return wpbase + offset;
- }
- uint32_t to_bci(uint32_t bii);
- void get_code_header(int &max_stack, int &max_na_locals, int &handler_count, int &cflags);
- band *ref_band_for_self_op(int bc, bool &isAloadVar, int &origBCVar);
- band *ref_band_for_op(int bc);
-
- // Definitions of standard classfile int formats:
- static void putu1_at(byte *wp, int n)
- {
- assert(n == (n & 0xFF));
- wp[0] = n;
- }
- static void putu2_at(byte *wp, int n);
- static void putu4_at(byte *wp, int n);
- static void putu8_at(byte *wp, int64_t n);
-
- // Private stuff
- void reset_cur_classfile();
- void write_classfile_tail();
- void write_classfile_head();
- void write_code();
- void write_bc_ops();
- void write_members(int num, int attrc); // attrc=ATTR_CONTEXT_FIELD/METHOD
- int write_attrs(int attrc, uint64_t indexBits);
-
- // The readers
- void read_bands();
- void read_file_header();
- void read_cp();
- void read_cp_counts(value_stream &hdr);
- void read_attr_defs();
- void read_ics();
- void read_attrs(int attrc, int obj_count);
- void read_classes();
- void read_code_headers();
- void read_bcs();
- void read_bc_ops();
- void read_files();
- void read_Utf8_values(entry *cpMap, int len);
- void read_single_words(band &cp_band, entry *cpMap, int len);
- void read_double_words(band &cp_bands, entry *cpMap, int len);
- void read_single_refs(band &cp_band, byte refTag, entry *cpMap, int len);
- void read_double_refs(band &cp_band, byte ref1Tag, byte ref2Tag, entry *cpMap, int len);
- void read_signature_values(entry *cpMap, int len);
+ // One element of the resulting JAR.
+ struct file
+ {
+ const char *name;
+ uint64_t size;
+ int modtime;
+ int options;
+ bytes data[2];
+ // Note: If Sum(data[*].len) < size,
+ // remaining bytes must be read directly from the input stream.
+ bool deflate_hint()
+ {
+ return ((options & FO_DEFLATE_HINT) != 0);
+ }
+ };
+
+ // if running Unix-style, here are the inputs and outputs
+ FILE *infileptr; // buffered
+ bytes inbytes; // direct
+ gunzip *gzin; // gunzip filter, if any
+ jar *jarout; // output JAR file
+
+ // pointer to self, for U_NEW macro
+ unpacker *u;
+
+ ptrlist mallocs; // list of guys to free when we are all done
+ ptrlist tmallocs; // list of guys to free on next client request
+ fillbytes smallbuf; // supplies small alloc requests
+ fillbytes tsmallbuf; // supplies temporary small alloc requests
+
+ // option management members
+ int verbose; // verbose level, 0 means no output
+ int deflate_hint_or_zero; // ==0 means not set, otherwise -1 or 1
+ int modification_time_or_zero;
+
+ // input stream
+ fillbytes input; // the whole block (size is predicted, has slop too)
+ bool live_input; // is the data in this block live?
+ bool free_input; // must the input buffer be freed?
+ byte *rp; // read pointer (< rplimit <= input.limit())
+ byte *rplimit; // how much of the input block has been read?
+ uint64_t bytes_read;
+ int unsized_bytes_read;
+
+ // callback to read at least one byte, up to available input
+ read_input_fn_t read_input_fn;
+
+ // archive header fields
+ int magic, minver, majver;
+ size_t archive_size;
+ int archive_next_count, archive_options, archive_modtime;
+ int band_headers_size;
+ int file_count, attr_definition_count, ic_count, class_count;
+ int default_class_minver, default_class_majver;
+ int default_file_options, suppress_file_options; // not header fields
+ int default_archive_modtime, default_file_modtime; // not header fields
+ int code_count; // not a header field
+ int files_remaining; // not a header field
+
+ // engine state
+ band *all_bands; // indexed by band_number
+ byte *meta_rp; // read-pointer into (copy of) band_headers
+ constant_pool cp; // all constant pool information
+ inner_class *ics; // InnerClasses
+
+ // output stream
+ bytes output; // output block (either classfile head or tail)
+ byte *wp; // write pointer (< wplimit == output.limit())
+ byte *wpbase; // write pointer starting address (<= wp)
+ byte *wplimit; // how much of the output block has been written?
+
+ // output state
+ file cur_file;
+ entry *cur_class; // CONSTANT_Class entry
+ entry *cur_super; // CONSTANT_Class entry or nullptr
+ entry *cur_descr; // CONSTANT_NameandType entry
+ int cur_descr_flags; // flags corresponding to cur_descr
+ int cur_class_minver, cur_class_majver;
+ bool cur_class_has_local_ics;
+ fillbytes cur_classfile_head;
+ fillbytes cur_classfile_tail;
+ int files_written; // also tells which file we're working on
+ int classes_written; // also tells which class we're working on
+ uint64_t bytes_written;
+ intlist bcimap;
+ fillbytes class_fixup_type;
+ intlist class_fixup_offset;
+ ptrlist class_fixup_ref;
+ fillbytes code_fixup_type; // which format of branch operand?
+ intlist code_fixup_offset; // location of operand needing fixup
+ intlist code_fixup_source; // encoded ID of branch insn
+ ptrlist requested_ics; // which ics need output?
+
+ // stats pertaining to multiple segments (updated on reset)
+ uint64_t bytes_read_before_reset;
+ uint64_t bytes_written_before_reset;
+ int files_written_before_reset;
+ int classes_written_before_reset;
+ int segments_read_before_reset;
+
+ // attribute state
+ struct layout_definition
+ {
+ uint32_t idx; // index (0..31...) which identifies this layout
+ const char *name; // name of layout
+ entry *nameEntry;
+ const char *layout; // string of layout (not yet parsed)
+ band **elems; // array of top-level layout elems (or callables)
+
+ bool hasCallables()
+ {
+ return layout[0] == '[';
+ }
+ band **bands()
+ {
+ assert(elems != nullptr);
+ return elems;
+ }
+ };
+ struct attr_definitions
+ {
+ unpacker *u; // pointer to self, for U_NEW macro
+ int xxx_flags_hi_bn; // locator for flags, count, indexes, calls bands
+ int attrc; // ATTR_CONTEXT_CLASS, etc.
+ uint32_t flag_limit; // 32 or 63, depending on archive_options bit
+ uint64_t predef; // mask of built-in definitions
+ uint64_t redef; // mask of local flag definitions or redefinitions
+ ptrlist layouts; // local (compressor-defined) defs, in index order
+ int flag_count[X_ATTR_LIMIT_FLAGS_HI];
+ intlist overflow_count;
+ ptrlist strip_names; // what attribute names are being stripped?
+ ptrlist band_stack; // Temp., used during layout parsing.
+ ptrlist calls_to_link; // (ditto)
+ int bands_made; // (ditto)
+
+ void free()
+ {
+ layouts.free();
+ overflow_count.free();
+ strip_names.free();
+ band_stack.free();
+ calls_to_link.free();
+ }
+
+ // Locate the five fixed bands.
+ band &xxx_flags_hi();
+ band &xxx_flags_lo();
+ band &xxx_attr_count();
+ band &xxx_attr_indexes();
+ band &xxx_attr_calls();
+ band &fixed_band(int e_class_xxx);
+
+ // Register a new layout, and make bands for it.
+ layout_definition *defineLayout(int idx, const char *name, const char *layout);
+ layout_definition *defineLayout(int idx, entry *nameEntry, const char *layout);
+ band **buildBands(layout_definition *lo);
+
+ // Parse a layout string or part of one, recursively if necessary.
+ const char *parseLayout(const char *lp, band **&res, int curCble);
+ const char *parseNumeral(const char *lp, int &res);
+ const char *parseIntLayout(const char *lp, band *&res, byte le_kind,
+ bool can_be_signed = false);
+ band **popBody(int band_stack_base); // pops a body off band_stack
+
+ // Read data into the bands of the idx-th layout.
+ void readBandData(int idx); // parse layout, make bands, read data
+ void readBandData(band **body, uint32_t count); // recursive helper
+
+ layout_definition *getLayout(uint32_t idx)
+ {
+ if (idx >= (uint32_t)layouts.length())
+ return nullptr;
+ return (layout_definition *)layouts.get(idx);
+ }
+
+ void setHaveLongFlags(bool z)
+ {
+ assert(flag_limit == 0); // not set up yet
+ flag_limit = (z ? X_ATTR_LIMIT_FLAGS_HI : X_ATTR_LIMIT_NO_FLAGS_HI);
+ }
+ bool haveLongFlags()
+ {
+ assert(flag_limit == X_ATTR_LIMIT_NO_FLAGS_HI ||
+ flag_limit == X_ATTR_LIMIT_FLAGS_HI);
+ return flag_limit == X_ATTR_LIMIT_FLAGS_HI;
+ }
+
+ // Return flag_count if idx is predef and not redef, else zero.
+ int predefCount(uint32_t idx);
+
+ bool isRedefined(uint32_t idx)
+ {
+ if (idx >= flag_limit)
+ return false;
+ return (bool)((redef >> idx) & 1);
+ }
+ bool isPredefined(uint32_t idx)
+ {
+ if (idx >= flag_limit)
+ return false;
+ return (bool)(((predef & ~redef) >> idx) & 1);
+ }
+ uint64_t flagIndexMask()
+ {
+ return (predef | redef);
+ }
+ bool isIndex(uint32_t idx)
+ {
+ assert(flag_limit != 0); // must be set up already
+ if (idx < flag_limit)
+ return (bool)(((predef | redef) >> idx) & 1);
+ else
+ return (idx - flag_limit < (uint32_t)overflow_count.length());
+ }
+ int &getCount(uint32_t idx)
+ {
+ assert(isIndex(idx));
+ if (idx < flag_limit)
+ return flag_count[idx];
+ else
+ return overflow_count.get(idx - flag_limit);
+ }
+ };
+
+ attr_definitions attr_defs[ATTR_CONTEXT_LIMIT];
+
+ // Initialization
+ void init(read_input_fn_t input_fn = nullptr);
+ // Resets to a known sane state
+ void reset();
+ // Deallocates all storage.
+ void free();
+ // Deallocates temporary storage (volatile after next client call).
+ void free_temps()
+ {
+ tsmallbuf.init();
+ tmallocs.freeAll();
+ }
+
+ // Option management methods
+ bool set_option(const char *option, const char *value);
+ const char *get_option(const char *option);
+
+ // Fetching input.
+ bool ensure_input(int64_t more);
+ byte *input_scan()
+ {
+ return rp;
+ }
+ size_t input_remaining()
+ {
+ return rplimit - rp;
+ }
+ size_t input_consumed()
+ {
+ return rp - input.base();
+ }
+
+ // Entry points to the unpack engine
+ static int run(int argc, char **argv); // Unix-style entry point.
+ void check_options();
+ void start(void *packptr = nullptr, size_t len = 0);
+ void write_file_to_jar(file *f);
+ void finish();
+
+ // Public post unpack methods
+ int get_files_remaining()
+ {
+ return files_remaining;
+ }
+ int get_segments_remaining()
+ {
+ return archive_next_count;
+ }
+ file *get_next_file(); // returns nullptr on last file
+
+ // General purpose methods
+ void *alloc(size_t size)
+ {
+ return alloc_heap(size, true);
+ }
+ void *temp_alloc(size_t size)
+ {
+ return alloc_heap(size, true, true);
+ }
+ void *alloc_heap(size_t size, bool smallOK = false, bool temp = false);
+ void saveTo(bytes &b, const char *str)
+ {
+ saveTo(b, (byte *)str, strlen(str));
+ }
+ void saveTo(bytes &b, bytes &data)
+ {
+ saveTo(b, data.ptr, data.len);
+ }
+ void saveTo(bytes &b, byte *ptr, size_t len); //{ b.ptr = U_NEW...}
+ const char *saveStr(const char *str)
+ {
+ bytes buf;
+ saveTo(buf, str);
+ return buf.strval();
+ }
+ const char *saveIntStr(int num)
+ {
+ char buf[30];
+ sprintf(buf, "%d", num);
+ return saveStr(buf);
+ }
+ static unpacker *current(); // find current instance
+
+ // Output management
+ void set_output(fillbytes *which)
+ {
+ assert(wp == nullptr);
+ which->ensureSize(1 << 12); // covers the average classfile
+ wpbase = which->base();
+ wp = which->limit();
+ wplimit = which->end();
+ }
+ fillbytes *close_output(fillbytes *which = nullptr); // inverse of set_output
+
+ // These take an implicit parameter of wp/wplimit, and resize as necessary:
+ byte *put_space(size_t len); // allocates space at wp, returns pointer
+ size_t put_empty(size_t s)
+ {
+ byte *p = put_space(s);
+ return p - wpbase;
+ }
+ void ensure_put_space(size_t len);
+ void put_bytes(bytes &b)
+ {
+ b.writeTo(put_space(b.len));
+ }
+ void putu1(int n)
+ {
+ putu1_at(put_space(1), n);
+ }
+ void putu1_fast(int n)
+ {
+ putu1_at(wp++, n);
+ }
+ void putu2(int n); // { putu2_at(put_space(2), n); }
+ void putu4(int n); // { putu4_at(put_space(4), n); }
+ void putu8(int64_t n); // { putu8_at(put_space(8), n); }
+ void putref(entry *e); // { putu2_at(put_space(2), putref_index(e, 2)); }
+ void putu1ref(entry *e); // { putu1_at(put_space(1), putref_index(e, 1)); }
+ int putref_index(entry *e, int size); // size in [1..2]
+ void put_label(int curIP, int size); // size in {2,4}
+ void putlayout(band **body);
+ void put_stackmap_type();
+
+ size_t wpoffset()
+ {
+ return (size_t)(wp - wpbase);
+ } // (unvariant across overflow)
+ byte *wp_at(size_t offset)
+ {
+ return wpbase + offset;
+ }
+ uint32_t to_bci(uint32_t bii);
+ void get_code_header(int &max_stack, int &max_na_locals, int &handler_count, int &cflags);
+ band *ref_band_for_self_op(int bc, bool &isAloadVar, int &origBCVar);
+ band *ref_band_for_op(int bc);
+
+ // Definitions of standard classfile int formats:
+ static void putu1_at(byte *wp, int n)
+ {
+ assert(n == (n & 0xFF));
+ wp[0] = n;
+ }
+ static void putu2_at(byte *wp, int n);
+ static void putu4_at(byte *wp, int n);
+ static void putu8_at(byte *wp, int64_t n);
+
+ // Private stuff
+ void reset_cur_classfile();
+ void write_classfile_tail();
+ void write_classfile_head();
+ void write_code();
+ void write_bc_ops();
+ void write_members(int num, int attrc); // attrc=ATTR_CONTEXT_FIELD/METHOD
+ int write_attrs(int attrc, uint64_t indexBits);
+
+ // The readers
+ void read_bands();
+ void read_file_header();
+ void read_cp();
+ void read_cp_counts(value_stream &hdr);
+ void read_attr_defs();
+ void read_ics();
+ void read_attrs(int attrc, int obj_count);
+ void read_classes();
+ void read_code_headers();
+ void read_bcs();
+ void read_bc_ops();
+ void read_files();
+ void read_Utf8_values(entry *cpMap, int len);
+ void read_single_words(band &cp_band, entry *cpMap, int len);
+ void read_double_words(band &cp_bands, entry *cpMap, int len);
+ void read_single_refs(band &cp_band, byte refTag, entry *cpMap, int len);
+ void read_double_refs(band &cp_band, byte ref1Tag, byte ref2Tag, entry *cpMap, int len);
+ void read_signature_values(entry *cpMap, int len);
};
diff --git a/libraries/pack200/src/unpack200.cpp b/libraries/pack200/src/unpack200.cpp
index 22b7f3b0..e8826f28 100644
--- a/libraries/pack200/src/unpack200.cpp
+++ b/libraries/pack200/src/unpack200.cpp
@@ -45,118 +45,118 @@
// Callback for fetching data, Unix style.
static int64_t read_input_via_stdio(unpacker *u, void *buf, int64_t minlen, int64_t maxlen)
{
- assert(u->infileptr != nullptr);
- assert(minlen <= maxlen); // don't talk nonsense
- int64_t numread = 0;
- char *bufptr = (char *)buf;
- while (numread < minlen)
- {
- // read available input, up to buf.length or maxlen
- int readlen = (1 << 16);
- if (readlen > (maxlen - numread))
- readlen = (int)(maxlen - numread);
- int nr = 0;
+ assert(u->infileptr != nullptr);
+ assert(minlen <= maxlen); // don't talk nonsense
+ int64_t numread = 0;
+ char *bufptr = (char *)buf;
+ while (numread < minlen)
+ {
+ // read available input, up to buf.length or maxlen
+ int readlen = (1 << 16);
+ if (readlen > (maxlen - numread))
+ readlen = (int)(maxlen - numread);
+ int nr = 0;
- nr = (int)fread(bufptr, 1, readlen, u->infileptr);
- if (nr <= 0)
- {
- if (errno != EINTR)
- break;
- nr = 0;
- }
- numread += nr;
- bufptr += nr;
- assert(numread <= maxlen);
- }
- return numread;
+ nr = (int)fread(bufptr, 1, readlen, u->infileptr);
+ if (nr <= 0)
+ {
+ if (errno != EINTR)
+ break;
+ nr = 0;
+ }
+ numread += nr;
+ bufptr += nr;
+ assert(numread <= maxlen);
+ }
+ return numread;
}
enum
{
- EOF_MAGIC = 0,
- BAD_MAGIC = -1
+ EOF_MAGIC = 0,
+ BAD_MAGIC = -1
};
static int read_magic(unpacker *u, char peek[], int peeklen)
{
- assert(peeklen == 4); // magic numbers are always 4 bytes
- int64_t nr = (u->read_input_fn)(u, peek, peeklen, peeklen);
- if (nr != peeklen)
- {
- return (nr == 0) ? EOF_MAGIC : BAD_MAGIC;
- }
- int magic = 0;
- for (int i = 0; i < peeklen; i++)
- {
- magic <<= 8;
- magic += peek[i] & 0xFF;
- }
- return magic;
+ assert(peeklen == 4); // magic numbers are always 4 bytes
+ int64_t nr = (u->read_input_fn)(u, peek, peeklen, peeklen);
+ if (nr != peeklen)
+ {
+ return (nr == 0) ? EOF_MAGIC : BAD_MAGIC;
+ }
+ int magic = 0;
+ for (int i = 0; i < peeklen; i++)
+ {
+ magic <<= 8;
+ magic += peek[i] & 0xFF;
+ }
+ return magic;
}
void unpack_200(FILE *input, FILE *output)
{
- unpacker u;
- u.init(read_input_via_stdio);
+ unpacker u;
+ u.init(read_input_via_stdio);
- // initialize jar output
- // the output takes ownership of the file handle
- jar jarout;
- jarout.init(&u);
- jarout.jarfp = output;
+ // initialize jar output
+ // the output takes ownership of the file handle
+ jar jarout;
+ jarout.init(&u);
+ jarout.jarfp = output;
- // the input doesn't
- u.infileptr = input;
+ // the input doesn't
+ u.infileptr = input;
- // read the magic!
- char peek[4];
- int magic;
- magic = read_magic(&u, peek, (int)sizeof(peek));
+ // read the magic!
+ char peek[4];
+ int magic;
+ magic = read_magic(&u, peek, (int)sizeof(peek));
- // if it is a gzip encoded file, we need an extra gzip input filter
- if ((magic & GZIP_MAGIC_MASK) == GZIP_MAGIC)
- {
- gunzip *gzin = NEW(gunzip, 1);
- gzin->init(&u);
- // FIXME: why the side effects? WHY?
- u.gzin->start(magic);
- u.start();
- }
- else
- {
- // otherwise, feed the bytes to the unpacker directly
- u.start(peek, sizeof(peek));
- }
+ // if it is a gzip encoded file, we need an extra gzip input filter
+ if ((magic & GZIP_MAGIC_MASK) == GZIP_MAGIC)
+ {
+ gunzip *gzin = NEW(gunzip, 1);
+ gzin->init(&u);
+ // FIXME: why the side effects? WHY?
+ u.gzin->start(magic);
+ u.start();
+ }
+ else
+ {
+ // otherwise, feed the bytes to the unpacker directly
+ u.start(peek, sizeof(peek));
+ }
- // Note: The checks to u.aborting() are necessary to gracefully
- // terminate processing when the first segment throws an error.
- for (;;)
- {
- // Each trip through this loop unpacks one segment
- // and then resets the unpacker.
- for (unpacker::file *filep; (filep = u.get_next_file()) != nullptr;)
- {
- u.write_file_to_jar(filep);
- }
+ // Note: The checks to u.aborting() are necessary to gracefully
+ // terminate processing when the first segment throws an error.
+ for (;;)
+ {
+ // Each trip through this loop unpacks one segment
+ // and then resets the unpacker.
+ for (unpacker::file *filep; (filep = u.get_next_file()) != nullptr;)
+ {
+ u.write_file_to_jar(filep);
+ }
- // Peek ahead for more data.
- magic = read_magic(&u, peek, (int)sizeof(peek));
- if (magic != (int)JAVA_PACKAGE_MAGIC)
- {
- // we do not feel strongly about this kind of thing...
- /*
- if (magic != EOF_MAGIC)
- unpack_abort("garbage after end of pack archive");
- */
- break; // all done
- }
+ // Peek ahead for more data.
+ magic = read_magic(&u, peek, (int)sizeof(peek));
+ if (magic != (int)JAVA_PACKAGE_MAGIC)
+ {
+ // we do not feel strongly about this kind of thing...
+ /*
+ if (magic != EOF_MAGIC)
+ unpack_abort("garbage after end of pack archive");
+ */
+ break; // all done
+ }
- // Release all storage from parsing the old segment.
- u.reset();
- // Restart, beginning with the peek-ahead.
- u.start(peek, sizeof(peek));
- }
- u.finish();
- u.free(); // tidy up malloc blocks
- fclose(input);
+ // Release all storage from parsing the old segment.
+ u.reset();
+ // Restart, beginning with the peek-ahead.
+ u.start(peek, sizeof(peek));
+ }
+ u.finish();
+ u.free(); // tidy up malloc blocks
+ fclose(input);
}
diff --git a/libraries/pack200/src/utils.cpp b/libraries/pack200/src/utils.cpp
index 0b7d91ca..fd6dad60 100644
--- a/libraries/pack200/src/utils.cpp
+++ b/libraries/pack200/src/utils.cpp
@@ -50,22 +50,22 @@
void *must_malloc(size_t size)
{
- size_t msize = size;
- void *ptr = (msize > PSIZE_MAX) ? nullptr : malloc(msize);
- if (ptr != nullptr)
- {
- memset(ptr, 0, size);
- }
- else
- {
- throw std::runtime_error(ERROR_ENOMEM);
- }
- return ptr;
+ size_t msize = size;
+ void *ptr = (msize > PSIZE_MAX) ? nullptr : malloc(msize);
+ if (ptr != nullptr)
+ {
+ memset(ptr, 0, size);
+ }
+ else
+ {
+ throw std::runtime_error(ERROR_ENOMEM);
+ }
+ return ptr;
}
void unpack_abort(const char *msg)
{
- if (msg == nullptr)
- msg = "corrupt pack file or internal error";
- throw std::runtime_error(msg);
+ if (msg == nullptr)
+ msg = "corrupt pack file or internal error";
+ throw std::runtime_error(msg);
}
diff --git a/libraries/pack200/src/utils.h b/libraries/pack200/src/utils.h
index 5a3dc8f6..3bd2dae7 100644
--- a/libraries/pack200/src/utils.h
+++ b/libraries/pack200/src/utils.h
@@ -35,17 +35,17 @@ void *must_malloc(size_t size);
inline size_t scale_size(size_t size, size_t scale)
{
- return (size > PSIZE_MAX / scale) ? OVERFLOW : size * scale;
+ return (size > PSIZE_MAX / scale) ? OVERFLOW : size * scale;
}
inline size_t add_size(size_t size1, size_t size2)
{
- return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX) ? OVERFLOW : size1 + size2;
+ return ((size1 | size2 | (size1 + size2)) > PSIZE_MAX) ? OVERFLOW : size1 + size2;
}
inline size_t add_size(size_t size1, size_t size2, int size3)
{
- return add_size(add_size(size1, size2), size3);
+ return add_size(add_size(size1, size2), size3);
}
struct unpacker;
diff --git a/libraries/pack200/src/zip.cpp b/libraries/pack200/src/zip.cpp
index 32e8bd50..e776510b 100644
--- a/libraries/pack200/src/zip.cpp
+++ b/libraries/pack200/src/zip.cpp
@@ -52,7 +52,7 @@
inline uint32_t jar::get_crc32(uint32_t c, uchar *ptr, uint32_t len)
{
- return crc32(c, ptr, len);
+ return crc32(c, ptr, len);
}
// FIXME: this is bullshit. Do real endianness detection.
@@ -68,175 +68,175 @@ inline uint32_t jar::get_crc32(uint32_t c, uchar *ptr, uint32_t len)
void jar::init(unpacker *u_)
{
- BYTES_OF(*this).clear();
- u = u_;
- u->jarout = this;
+ BYTES_OF(*this).clear();
+ u = u_;
+ u->jarout = this;
}
// Write data to the ZIP output stream.
void jar::write_data(void *buff, int len)
{
- while (len > 0)
- {
- int rc = (int)fwrite(buff, 1, len, jarfp);
- if (rc <= 0)
- {
- fprintf(stderr, "Error: write on output file failed err=%d\n", errno);
- exit(1); // Called only from the native standalone unpacker
- }
- output_file_offset += rc;
- buff = ((char *)buff) + rc;
- len -= rc;
- }
+ while (len > 0)
+ {
+ int rc = (int)fwrite(buff, 1, len, jarfp);
+ if (rc <= 0)
+ {
+ fprintf(stderr, "Error: write on output file failed err=%d\n", errno);
+ exit(1); // Called only from the native standalone unpacker
+ }
+ output_file_offset += rc;
+ buff = ((char *)buff) + rc;
+ len -= rc;
+ }
}
void jar::add_to_jar_directory(const char *fname, bool store, int modtime, int len, int clen,
- uint32_t crc)
+ uint32_t crc)
{
- uint32_t fname_length = (uint32_t)strlen(fname);
- ushort header[23];
- if (modtime == 0)
- modtime = default_modtime;
- uint32_t dostime = get_dostime(modtime);
-
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0201);
- header[2] = (ushort)SWAP_BYTES(0xA);
-
- // required version
- header[3] = (ushort)SWAP_BYTES(0xA);
-
- // flags 02 = maximum sub-compression flag
- header[4] = (store) ? 0x0 : SWAP_BYTES(0x2);
-
- // Compression method 8=deflate.
- header[5] = (store) ? 0x0 : SWAP_BYTES(0x08);
-
- // Last modified date and time.
- header[6] = (ushort)GET_INT_LO(dostime);
- header[7] = (ushort)GET_INT_HI(dostime);
-
- // CRC
- header[8] = (ushort)GET_INT_LO(crc);
- header[9] = (ushort)GET_INT_HI(crc);
-
- // Compressed length:
- header[10] = (ushort)GET_INT_LO(clen);
- header[11] = (ushort)GET_INT_HI(clen);
-
- // Uncompressed length.
- header[12] = (ushort)GET_INT_LO(len);
- header[13] = (ushort)GET_INT_HI(len);
-
- // Filename length
- header[14] = (ushort)SWAP_BYTES(fname_length);
- // So called "extra field" length.
- header[15] = 0;
- // So called "comment" length.
- header[16] = 0;
- // Disk number start
- header[17] = 0;
- // File flags => binary
- header[18] = 0;
- // More file flags
- header[19] = 0;
- header[20] = 0;
- // Offset within ZIP file.
- header[21] = (ushort)GET_INT_LO(output_file_offset);
- header[22] = (ushort)GET_INT_HI(output_file_offset);
-
- // Copy the whole thing into the central directory.
- central_directory.append(header, sizeof(header));
-
- // Copy the fname to the header.
- central_directory.append(fname, fname_length);
-
- central_directory_count++;
+ uint32_t fname_length = (uint32_t)strlen(fname);
+ ushort header[23];
+ if (modtime == 0)
+ modtime = default_modtime;
+ uint32_t dostime = get_dostime(modtime);
+
+ header[0] = (ushort)SWAP_BYTES(0x4B50);
+ header[1] = (ushort)SWAP_BYTES(0x0201);
+ header[2] = (ushort)SWAP_BYTES(0xA);
+
+ // required version
+ header[3] = (ushort)SWAP_BYTES(0xA);
+
+ // flags 02 = maximum sub-compression flag
+ header[4] = (store) ? 0x0 : SWAP_BYTES(0x2);
+
+ // Compression method 8=deflate.
+ header[5] = (store) ? 0x0 : SWAP_BYTES(0x08);
+
+ // Last modified date and time.
+ header[6] = (ushort)GET_INT_LO(dostime);
+ header[7] = (ushort)GET_INT_HI(dostime);
+
+ // CRC
+ header[8] = (ushort)GET_INT_LO(crc);
+ header[9] = (ushort)GET_INT_HI(crc);
+
+ // Compressed length:
+ header[10] = (ushort)GET_INT_LO(clen);
+ header[11] = (ushort)GET_INT_HI(clen);
+
+ // Uncompressed length.
+ header[12] = (ushort)GET_INT_LO(len);
+ header[13] = (ushort)GET_INT_HI(len);
+
+ // Filename length
+ header[14] = (ushort)SWAP_BYTES(fname_length);
+ // So called "extra field" length.
+ header[15] = 0;
+ // So called "comment" length.
+ header[16] = 0;
+ // Disk number start
+ header[17] = 0;
+ // File flags => binary
+ header[18] = 0;
+ // More file flags
+ header[19] = 0;
+ header[20] = 0;
+ // Offset within ZIP file.
+ header[21] = (ushort)GET_INT_LO(output_file_offset);
+ header[22] = (ushort)GET_INT_HI(output_file_offset);
+
+ // Copy the whole thing into the central directory.
+ central_directory.append(header, sizeof(header));
+
+ // Copy the fname to the header.
+ central_directory.append(fname, fname_length);
+
+ central_directory_count++;
}
void jar::write_jar_header(const char *fname, bool store, int modtime, int len, int clen,
- uint32_t crc)
+ uint32_t crc)
{
- uint32_t fname_length = (uint32_t)strlen(fname);
- ushort header[15];
- if (modtime == 0)
- modtime = default_modtime;
- uint32_t dostime = get_dostime(modtime);
+ uint32_t fname_length = (uint32_t)strlen(fname);
+ ushort header[15];
+ if (modtime == 0)
+ modtime = default_modtime;
+ uint32_t dostime = get_dostime(modtime);
- // ZIP LOC magic.
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0403);
+ // ZIP LOC magic.
+ header[0] = (ushort)SWAP_BYTES(0x4B50);
+ header[1] = (ushort)SWAP_BYTES(0x0403);
- // Version
- header[2] = (ushort)SWAP_BYTES(0xA);
+ // Version
+ header[2] = (ushort)SWAP_BYTES(0xA);
- // flags 02 = maximum sub-compression flag
- header[3] = (store) ? 0x0 : SWAP_BYTES(0x2);
+ // flags 02 = maximum sub-compression flag
+ header[3] = (store) ? 0x0 : SWAP_BYTES(0x2);
- // Compression method = deflate
- header[4] = (store) ? 0x0 : SWAP_BYTES(0x08);
+ // Compression method = deflate
+ header[4] = (store) ? 0x0 : SWAP_BYTES(0x08);
- // Last modified date and time.
- header[5] = (ushort)GET_INT_LO(dostime);
- header[6] = (ushort)GET_INT_HI(dostime);
+ // Last modified date and time.
+ header[5] = (ushort)GET_INT_LO(dostime);
+ header[6] = (ushort)GET_INT_HI(dostime);
- // CRC
- header[7] = (ushort)GET_INT_LO(crc);
- header[8] = (ushort)GET_INT_HI(crc);
+ // CRC
+ header[7] = (ushort)GET_INT_LO(crc);
+ header[8] = (ushort)GET_INT_HI(crc);
- // Compressed length:
- header[9] = (ushort)GET_INT_LO(clen);
- header[10] = (ushort)GET_INT_HI(clen);
+ // Compressed length:
+ header[9] = (ushort)GET_INT_LO(clen);
+ header[10] = (ushort)GET_INT_HI(clen);
- // Uncompressed length.
- header[11] = (ushort)GET_INT_LO(len);
- header[12] = (ushort)GET_INT_HI(len);
+ // Uncompressed length.
+ header[11] = (ushort)GET_INT_LO(len);
+ header[12] = (ushort)GET_INT_HI(len);
- // Filename length
- header[13] = (ushort)SWAP_BYTES(fname_length);
- // So called "extra field" length.
- header[14] = 0;
+ // Filename length
+ header[13] = (ushort)SWAP_BYTES(fname_length);
+ // So called "extra field" length.
+ header[14] = 0;
- // Write the LOC header to the output file.
- write_data(header, (int)sizeof(header));
+ // Write the LOC header to the output file.
+ write_data(header, (int)sizeof(header));
- // Copy the fname to the header.
- write_data((char *)fname, (int)fname_length);
+ // Copy the fname to the header.
+ write_data((char *)fname, (int)fname_length);
}
void jar::write_central_directory()
{
- bytes mc;
- mc.set("PACK200");
-
- ushort header[11];
-
- // Create the End of Central Directory structure.
- header[0] = (ushort)SWAP_BYTES(0x4B50);
- header[1] = (ushort)SWAP_BYTES(0x0605);
- // disk numbers
- header[2] = 0;
- header[3] = 0;
- // Number of entries in central directory.
- header[4] = (ushort)SWAP_BYTES(central_directory_count);
- header[5] = (ushort)SWAP_BYTES(central_directory_count);
- // Size of the central directory}
- header[6] = (ushort)GET_INT_LO((int)central_directory.size());
- header[7] = (ushort)GET_INT_HI((int)central_directory.size());
- // Offset of central directory within disk.
- header[8] = (ushort)GET_INT_LO(output_file_offset);
- header[9] = (ushort)GET_INT_HI(output_file_offset);
- // zipfile comment length;
- header[10] = (ushort)SWAP_BYTES((int)mc.len);
-
- // Write the central directory.
- write_data(central_directory.b);
-
- // Write the End of Central Directory structure.
- write_data(header, (int)sizeof(header));
-
- // Write the comment.
- write_data(mc);
+ bytes mc;
+ mc.set("PACK200");
+
+ ushort header[11];
+
+ // Create the End of Central Directory structure.
+ header[0] = (ushort)SWAP_BYTES(0x4B50);
+ header[1] = (ushort)SWAP_BYTES(0x0605);
+ // disk numbers
+ header[2] = 0;
+ header[3] = 0;
+ // Number of entries in central directory.
+ header[4] = (ushort)SWAP_BYTES(central_directory_count);
+ header[5] = (ushort)SWAP_BYTES(central_directory_count);
+ // Size of the central directory}
+ header[6] = (ushort)GET_INT_LO((int)central_directory.size());
+ header[7] = (ushort)GET_INT_HI((int)central_directory.size());
+ // Offset of central directory within disk.
+ header[8] = (ushort)GET_INT_LO(output_file_offset);
+ header[9] = (ushort)GET_INT_HI(output_file_offset);
+ // zipfile comment length;
+ header[10] = (ushort)SWAP_BYTES((int)mc.len);
+
+ // Write the central directory.
+ write_data(central_directory.b);
+
+ // Write the End of Central Directory structure.
+ write_data(header, (int)sizeof(header));
+
+ // Write the comment.
+ write_data(mc);
}
// Public API
@@ -244,74 +244,74 @@ void jar::write_central_directory()
// Open a Jar file and initialize.
void jar::openJarFile(const char *fname)
{
- if (!jarfp)
- {
- jarfp = fopen(fname, "wb");
- if (!jarfp)
- {
- fprintf(stderr, "Error: Could not open jar file: %s\n", fname);
- exit(3); // Called only from the native standalone unpacker
- }
- }
+ if (!jarfp)
+ {
+ jarfp = fopen(fname, "wb");
+ if (!jarfp)
+ {
+ fprintf(stderr, "Error: Could not open jar file: %s\n", fname);
+ exit(3); // Called only from the native standalone unpacker
+ }
+ }
}
// Add a ZIP entry and copy the file data
void jar::addJarEntry(const char *fname, bool deflate_hint, int modtime, bytes &head,
- bytes &tail)
+ bytes &tail)
{
- int len = (int)(head.len + tail.len);
- int clen = 0;
-
- uint32_t crc = get_crc32(0, Z_NULL, 0);
- if (head.len != 0)
- crc = get_crc32(crc, (uchar *)head.ptr, (uint32_t)head.len);
- if (tail.len != 0)
- crc = get_crc32(crc, (uchar *)tail.ptr, (uint32_t)tail.len);
-
- bool deflate = (deflate_hint && len > 0);
-
- if (deflate)
- {
- if (deflate_bytes(head, tail) == false)
- {
- deflate = false;
- }
- }
- clen = (int)((deflate) ? deflated.size() : len);
- add_to_jar_directory(fname, !deflate, modtime, len, clen, crc);
- write_jar_header(fname, !deflate, modtime, len, clen, crc);
-
- if (deflate)
- {
- write_data(deflated.b);
- }
- else
- {
- write_data(head);
- write_data(tail);
- }
+ int len = (int)(head.len + tail.len);
+ int clen = 0;
+
+ uint32_t crc = get_crc32(0, Z_NULL, 0);
+ if (head.len != 0)
+ crc = get_crc32(crc, (uchar *)head.ptr, (uint32_t)head.len);
+ if (tail.len != 0)
+ crc = get_crc32(crc, (uchar *)tail.ptr, (uint32_t)tail.len);
+
+ bool deflate = (deflate_hint && len > 0);
+
+ if (deflate)
+ {
+ if (deflate_bytes(head, tail) == false)
+ {
+ deflate = false;
+ }
+ }
+ clen = (int)((deflate) ? deflated.size() : len);
+ add_to_jar_directory(fname, !deflate, modtime, len, clen, crc);
+ write_jar_header(fname, !deflate, modtime, len, clen, crc);
+
+ if (deflate)
+ {
+ write_data(deflated.b);
+ }
+ else
+ {
+ write_data(head);
+ write_data(tail);
+ }
}
// Add a ZIP entry for a directory name no data
void jar::addDirectoryToJarFile(const char *dir_name)
{
- bool store = true;
- add_to_jar_directory((const char *)dir_name, store, default_modtime, 0, 0, 0);
- write_jar_header((const char *)dir_name, store, default_modtime, 0, 0, 0);
+ bool store = true;
+ add_to_jar_directory((const char *)dir_name, store, default_modtime, 0, 0, 0);
+ write_jar_header((const char *)dir_name, store, default_modtime, 0, 0, 0);
}
// Write out the central directory and close the jar file.
void jar::closeJarFile(bool central)
{
- if (jarfp)
- {
- fflush(jarfp);
- if (central)
- write_central_directory();
- fflush(jarfp);
- fclose(jarfp);
- }
- reset();
+ if (jarfp)
+ {
+ fflush(jarfp);
+ if (central)
+ write_central_directory();
+ fflush(jarfp);
+ fclose(jarfp);
+ }
+ reset();
}
/* Convert the date y/n/d and time h:m:s to a four byte DOS date and
@@ -320,9 +320,9 @@ void jar::closeJarFile(bool central)
*/
inline uint32_t jar::dostime(int y, int n, int d, int h, int m, int s)
{
- return y < 1980 ? dostime(1980, 1, 1, 0, 0, 0)
- : (((uint32_t)y - 1980) << 25) | ((uint32_t)n << 21) | ((uint32_t)d << 16) |
- ((uint32_t)h << 11) | ((uint32_t)m << 5) | ((uint32_t)s >> 1);
+ return y < 1980 ? dostime(1980, 1, 1, 0, 0, 0)
+ : (((uint32_t)y - 1980) << 25) | ((uint32_t)n << 21) | ((uint32_t)d << 16) |
+ ((uint32_t)h << 11) | ((uint32_t)m << 5) | ((uint32_t)s >> 1);
}
/*
#ifdef _REENTRANT // solaris
@@ -336,20 +336,20 @@ extern "C" struct tm *gmtime_r(const time_t *, struct tm *);
*/
uint32_t jar::get_dostime(int modtime)
{
- // see defines.h
- if (modtime != 0 && modtime == modtime_cache)
- return dostime_cache;
- if (modtime != 0 && default_modtime == 0)
- default_modtime = modtime; // catch a reasonable default
- time_t t = modtime;
- struct tm sbuf;
- (void)memset((void *)&sbuf, 0, sizeof(sbuf));
- struct tm *s = gmtime_r(&t, &sbuf);
- modtime_cache = modtime;
- dostime_cache =
- dostime(s->tm_year + 1900, s->tm_mon + 1, s->tm_mday, s->tm_hour, s->tm_min, s->tm_sec);
- // printf("modtime %d => %d\n", modtime_cache, dostime_cache);
- return dostime_cache;
+ // see defines.h
+ if (modtime != 0 && modtime == modtime_cache)
+ return dostime_cache;
+ if (modtime != 0 && default_modtime == 0)
+ default_modtime = modtime; // catch a reasonable default
+ time_t t = modtime;
+ struct tm sbuf;
+ (void)memset((void *)&sbuf, 0, sizeof(sbuf));
+ struct tm *s = gmtime_r(&t, &sbuf);
+ modtime_cache = modtime;
+ dostime_cache =
+ dostime(s->tm_year + 1900, s->tm_mon + 1, s->tm_mday, s->tm_hour, s->tm_min, s->tm_sec);
+ // printf("modtime %d => %d\n", modtime_cache, dostime_cache);
+ return dostime_cache;
}
/* Returns true on success, and will set the clen to the compressed
@@ -358,232 +358,232 @@ uint32_t jar::get_dostime(int modtime)
*/
bool jar::deflate_bytes(bytes &head, bytes &tail)
{
- int len = (int)(head.len + tail.len);
-
- z_stream zs;
- BYTES_OF(zs).clear();
-
- // NOTE: the window size should always be -MAX_WBITS normally -15.
- // unzip/zipup.c and java/Deflater.c
-
- int error =
- deflateInit2(&zs, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8, Z_DEFAULT_STRATEGY);
- if (error != Z_OK)
- {
- /*
- switch (error)
- {
- case Z_MEM_ERROR:
- PRINTCR((2, "Error: deflate error : Out of memory \n"));
- break;
- case Z_STREAM_ERROR:
- PRINTCR((2, "Error: deflate error : Invalid compression level \n"));
- break;
- case Z_VERSION_ERROR:
- PRINTCR((2, "Error: deflate error : Invalid version\n"));
- break;
- default:
- PRINTCR((2, "Error: Internal deflate error error = %d\n", error));
- }
- */
- return false;
- }
-
- deflated.empty();
- zs.next_out = (uchar *)deflated.grow(len + (len / 2));
- zs.avail_out = (int)deflated.size();
-
- zs.next_in = (uchar *)head.ptr;
- zs.avail_in = (int)head.len;
-
- bytes *first = &head;
- bytes *last = &tail;
- if (last->len == 0)
- {
- first = nullptr;
- last = &head;
- }
- else if (first->len == 0)
- {
- first = nullptr;
- }
-
- if (first != nullptr && error == Z_OK)
- {
- zs.next_in = (uchar *)first->ptr;
- zs.avail_in = (int)first->len;
- error = deflate(&zs, Z_NO_FLUSH);
- }
- if (error == Z_OK)
- {
- zs.next_in = (uchar *)last->ptr;
- zs.avail_in = (int)last->len;
- error = deflate(&zs, Z_FINISH);
- }
- if (error == Z_STREAM_END)
- {
- if (len > (int)zs.total_out)
- {
- deflated.b.len = zs.total_out;
- deflateEnd(&zs);
- return true;
- }
- deflateEnd(&zs);
- return false;
- }
-
- deflateEnd(&zs);
- return false;
+ int len = (int)(head.len + tail.len);
+
+ z_stream zs;
+ BYTES_OF(zs).clear();
+
+ // NOTE: the window size should always be -MAX_WBITS normally -15.
+ // unzip/zipup.c and java/Deflater.c
+
+ int error =
+ deflateInit2(&zs, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, 8, Z_DEFAULT_STRATEGY);
+ if (error != Z_OK)
+ {
+ /*
+ switch (error)
+ {
+ case Z_MEM_ERROR:
+ PRINTCR((2, "Error: deflate error : Out of memory \n"));
+ break;
+ case Z_STREAM_ERROR:
+ PRINTCR((2, "Error: deflate error : Invalid compression level \n"));
+ break;
+ case Z_VERSION_ERROR:
+ PRINTCR((2, "Error: deflate error : Invalid version\n"));
+ break;
+ default:
+ PRINTCR((2, "Error: Internal deflate error error = %d\n", error));
+ }
+ */
+ return false;
+ }
+
+ deflated.empty();
+ zs.next_out = (uchar *)deflated.grow(len + (len / 2));
+ zs.avail_out = (int)deflated.size();
+
+ zs.next_in = (uchar *)head.ptr;
+ zs.avail_in = (int)head.len;
+
+ bytes *first = &head;
+ bytes *last = &tail;
+ if (last->len == 0)
+ {
+ first = nullptr;
+ last = &head;
+ }
+ else if (first->len == 0)
+ {
+ first = nullptr;
+ }
+
+ if (first != nullptr && error == Z_OK)
+ {
+ zs.next_in = (uchar *)first->ptr;
+ zs.avail_in = (int)first->len;
+ error = deflate(&zs, Z_NO_FLUSH);
+ }
+ if (error == Z_OK)
+ {
+ zs.next_in = (uchar *)last->ptr;
+ zs.avail_in = (int)last->len;
+ error = deflate(&zs, Z_FINISH);
+ }
+ if (error == Z_STREAM_END)
+ {
+ if (len > (int)zs.total_out)
+ {
+ deflated.b.len = zs.total_out;
+ deflateEnd(&zs);
+ return true;
+ }
+ deflateEnd(&zs);
+ return false;
+ }
+
+ deflateEnd(&zs);
+ return false;
}
// Callback for fetching data from a GZIP input stream
static int64_t read_input_via_gzip(unpacker *u, void *buf, int64_t minlen, int64_t maxlen)
{
- assert(minlen <= maxlen); // don't talk nonsense
- int64_t numread = 0;
- char *bufptr = (char *)buf;
- char *inbuf = u->gzin->inbuf;
- size_t inbuflen = sizeof(u->gzin->inbuf);
- unpacker::read_input_fn_t read_gzin_fn = (unpacker::read_input_fn_t)u->gzin->read_input_fn;
- z_stream &zs = *(z_stream *)u->gzin->zstream;
- while (numread < minlen)
- {
- int readlen = (1 << 16); // pretty arbitrary
- if (readlen > (maxlen - numread))
- readlen = (int)(maxlen - numread);
- zs.next_out = (uchar *)bufptr;
- zs.avail_out = readlen;
- if (zs.avail_in == 0)
- {
- zs.avail_in = (int)read_gzin_fn(u, inbuf, 1, inbuflen);
- zs.next_in = (uchar *)inbuf;
- }
- int error = inflate(&zs, Z_NO_FLUSH);
- if (error != Z_OK && error != Z_STREAM_END)
- {
- unpack_abort("error inflating input");
- break;
- }
- int nr = readlen - zs.avail_out;
- numread += nr;
- bufptr += nr;
- assert(numread <= maxlen);
- if (error == Z_STREAM_END)
- {
- enum
- {
- TRAILER_LEN = 8
- };
- // skip 8-byte trailer
- if (zs.avail_in >= TRAILER_LEN)
- {
- zs.avail_in -= TRAILER_LEN;
- }
- else
- {
- // Bug: 5023768,we read past the TRAILER_LEN to see if there is
- // any extraneous data, as we dont support concatenated .gz
- // files just yet.
- int extra = (int)read_gzin_fn(u, inbuf, 1, inbuflen);
- zs.avail_in += extra - TRAILER_LEN;
- }
- // %%% should check final CRC and length here
- // %%% should check for concatenated *.gz files here
- if (zs.avail_in > 0)
- unpack_abort("garbage after end of deflated input stream");
- // pop this filter off:
- u->gzin->free();
- break;
- }
- }
-
- // fprintf(u->errstrm, "readInputFn(%d,%d) => %d (gunzip)\n",
- // (int)minlen, (int)maxlen, (int)numread);
- return numread;
+ assert(minlen <= maxlen); // don't talk nonsense
+ int64_t numread = 0;
+ char *bufptr = (char *)buf;
+ char *inbuf = u->gzin->inbuf;
+ size_t inbuflen = sizeof(u->gzin->inbuf);
+ read_input_fn_t read_gzin_fn = u->gzin->read_input_fn;
+ z_stream &zs = *(z_stream *)u->gzin->zstream;
+ while (numread < minlen)
+ {
+ int readlen = (1 << 16); // pretty arbitrary
+ if (readlen > (maxlen - numread))
+ readlen = (int)(maxlen - numread);
+ zs.next_out = (uchar *)bufptr;
+ zs.avail_out = readlen;
+ if (zs.avail_in == 0)
+ {
+ zs.avail_in = (int)read_gzin_fn(u, inbuf, 1, inbuflen);
+ zs.next_in = (uchar *)inbuf;
+ }
+ int error = inflate(&zs, Z_NO_FLUSH);
+ if (error != Z_OK && error != Z_STREAM_END)
+ {
+ unpack_abort("error inflating input");
+ break;
+ }
+ int nr = readlen - zs.avail_out;
+ numread += nr;
+ bufptr += nr;
+ assert(numread <= maxlen);
+ if (error == Z_STREAM_END)
+ {
+ enum
+ {
+ TRAILER_LEN = 8
+ };
+ // skip 8-byte trailer
+ if (zs.avail_in >= TRAILER_LEN)
+ {
+ zs.avail_in -= TRAILER_LEN;
+ }
+ else
+ {
+ // Bug: 5023768,we read past the TRAILER_LEN to see if there is
+ // any extraneous data, as we dont support concatenated .gz
+ // files just yet.
+ int extra = (int)read_gzin_fn(u, inbuf, 1, inbuflen);
+ zs.avail_in += extra - TRAILER_LEN;
+ }
+ // %%% should check final CRC and length here
+ // %%% should check for concatenated *.gz files here
+ if (zs.avail_in > 0)
+ unpack_abort("garbage after end of deflated input stream");
+ // pop this filter off:
+ u->gzin->free();
+ break;
+ }
+ }
+
+ // fprintf(u->errstrm, "readInputFn(%d,%d) => %d (gunzip)\n",
+ // (int)minlen, (int)maxlen, (int)numread);
+ return numread;
}
void gunzip::init(unpacker *u_)
{
- BYTES_OF(*this).clear();
- u = u_;
- assert(u->gzin == nullptr); // once only, please
- read_input_fn = (void *)u->read_input_fn;
- zstream = NEW(z_stream, 1);
- u->gzin = this;
- u->read_input_fn = read_input_via_gzip;
+ BYTES_OF(*this).clear();
+ u = u_;
+ assert(u->gzin == nullptr); // once only, please
+ read_input_fn = u->read_input_fn;
+ zstream = NEW(z_stream, 1);
+ u->gzin = this;
+ u->read_input_fn = read_input_via_gzip;
}
void gunzip::start(int magic)
{
- assert((magic & GZIP_MAGIC_MASK) == GZIP_MAGIC);
- int gz_flg = (magic & 0xFF); // keep "flg", discard other 3 bytes
- enum
- {
- FHCRC = (1 << 1),
- FEXTRA = (1 << 2),
- FNAME = (1 << 3),
- FCOMMENT = (1 << 4)
- };
- char gz_mtime[4];
- char gz_xfl[1];
- char gz_os[1];
- char gz_extra_len[2];
- char gz_hcrc[2];
- char gz_ignore;
- // do not save extra, name, comment
- read_fixed_field(gz_mtime, sizeof(gz_mtime));
- read_fixed_field(gz_xfl, sizeof(gz_xfl));
- read_fixed_field(gz_os, sizeof(gz_os));
- if (gz_flg & FEXTRA)
- {
- read_fixed_field(gz_extra_len, sizeof(gz_extra_len));
- int extra_len = gz_extra_len[0] & 0xFF;
- extra_len += (gz_extra_len[1] & 0xFF) << 8;
- for (; extra_len > 0; extra_len--)
- {
- read_fixed_field(&gz_ignore, 1);
- }
- }
- int null_terms = 0;
- if (gz_flg & FNAME)
- null_terms++;
- if (gz_flg & FCOMMENT)
- null_terms++;
- for (; null_terms; null_terms--)
- {
- for (;;)
- {
- gz_ignore = 0;
- read_fixed_field(&gz_ignore, 1);
- if (gz_ignore == 0)
- break;
- }
- }
- if (gz_flg & FHCRC)
- read_fixed_field(gz_hcrc, sizeof(gz_hcrc));
-
- // now the input stream is ready to read into the inflater
- int error = inflateInit2((z_stream *)zstream, -MAX_WBITS);
- if (error != Z_OK)
- {
- unpack_abort("cannot create input");
- }
+ assert((magic & GZIP_MAGIC_MASK) == GZIP_MAGIC);
+ int gz_flg = (magic & 0xFF); // keep "flg", discard other 3 bytes
+ enum
+ {
+ FHCRC = (1 << 1),
+ FEXTRA = (1 << 2),
+ FNAME = (1 << 3),
+ FCOMMENT = (1 << 4)
+ };
+ char gz_mtime[4];
+ char gz_xfl[1];
+ char gz_os[1];
+ char gz_extra_len[2];
+ char gz_hcrc[2];
+ char gz_ignore;
+ // do not save extra, name, comment
+ read_fixed_field(gz_mtime, sizeof(gz_mtime));
+ read_fixed_field(gz_xfl, sizeof(gz_xfl));
+ read_fixed_field(gz_os, sizeof(gz_os));
+ if (gz_flg & FEXTRA)
+ {
+ read_fixed_field(gz_extra_len, sizeof(gz_extra_len));
+ int extra_len = gz_extra_len[0] & 0xFF;
+ extra_len += (gz_extra_len[1] & 0xFF) << 8;
+ for (; extra_len > 0; extra_len--)
+ {
+ read_fixed_field(&gz_ignore, 1);
+ }
+ }
+ int null_terms = 0;
+ if (gz_flg & FNAME)
+ null_terms++;
+ if (gz_flg & FCOMMENT)
+ null_terms++;
+ for (; null_terms; null_terms--)
+ {
+ for (;;)
+ {
+ gz_ignore = 0;
+ read_fixed_field(&gz_ignore, 1);
+ if (gz_ignore == 0)
+ break;
+ }
+ }
+ if (gz_flg & FHCRC)
+ read_fixed_field(gz_hcrc, sizeof(gz_hcrc));
+
+ // now the input stream is ready to read into the inflater
+ int error = inflateInit2((z_stream *)zstream, -MAX_WBITS);
+ if (error != Z_OK)
+ {
+ unpack_abort("cannot create input");
+ }
}
void gunzip::free()
{
- assert(u->gzin == this);
- u->gzin = nullptr;
- u->read_input_fn = (unpacker::read_input_fn_t) this->read_input_fn;
- inflateEnd((z_stream *)zstream);
- ::free(zstream);
- zstream = nullptr;
- ::free(this);
+ assert(u->gzin == this);
+ u->gzin = nullptr;
+ u->read_input_fn = this->read_input_fn;
+ inflateEnd((z_stream *)zstream);
+ ::free(zstream);
+ zstream = nullptr;
+ ::free(this);
}
void gunzip::read_fixed_field(char *buf, size_t buflen)
{
- int64_t nr = ((unpacker::read_input_fn_t)read_input_fn)(u, buf, buflen, buflen);
- if ((size_t)nr != buflen)
- unpack_abort("short stream header");
+ int64_t nr = read_input_fn(u, buf, buflen, buflen);
+ if ((size_t)nr != buflen)
+ unpack_abort("short stream header");
}
diff --git a/libraries/pack200/src/zip.h b/libraries/pack200/src/zip.h
index 67ec24da..ff973a86 100644
--- a/libraries/pack200/src/zip.h
+++ b/libraries/pack200/src/zip.h
@@ -22,89 +22,91 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
+#pragma once
+
#include <stdint.h>
typedef unsigned short ushort;
typedef unsigned int uint32_t;
typedef unsigned char uchar;
-struct unpacker;
+#include "unpack.h"
struct jar
{
- // JAR file writer
- FILE *jarfp;
- int default_modtime;
-
- // Used by unix2dostime:
- int modtime_cache;
- uint32_t dostime_cache;
-
- // Private members
- fillbytes central_directory;
- ushort central_directory_count;
- uint32_t output_file_offset;
- fillbytes deflated; // temporary buffer
-
- // pointer to outer unpacker, for error checks etc.
- unpacker *u;
-
- // Public Methods
- void openJarFile(const char *fname);
- void addJarEntry(const char *fname, bool deflate_hint, int modtime, bytes &head,
- bytes &tail);
- void addDirectoryToJarFile(const char *dir_name);
- void closeJarFile(bool central);
-
- void init(unpacker *u_);
-
- void free()
- {
- central_directory.free();
- deflated.free();
- }
-
- void reset()
- {
- free();
- init(u);
- }
-
- // Private Methods
- void write_data(void *ptr, int len);
- void write_data(bytes &b)
- {
- write_data(b.ptr, (int)b.len);
- }
- void add_to_jar_directory(const char *fname, bool store, int modtime, int len, int clen,
- uint32_t crc);
- void write_jar_header(const char *fname, bool store, int modtime, int len, int clen,
- unsigned int crc);
- void write_central_directory();
- uint32_t dostime(int y, int n, int d, int h, int m, int s);
- uint32_t get_dostime(int modtime);
-
- // The definitions of these depend on the NO_ZLIB option:
- bool deflate_bytes(bytes &head, bytes &tail);
- static uint32_t get_crc32(uint32_t c, unsigned char *ptr, uint32_t len);
+ // JAR file writer
+ FILE *jarfp;
+ int default_modtime;
+
+ // Used by unix2dostime:
+ int modtime_cache;
+ uint32_t dostime_cache;
+
+ // Private members
+ fillbytes central_directory;
+ ushort central_directory_count;
+ uint32_t output_file_offset;
+ fillbytes deflated; // temporary buffer
+
+ // pointer to outer unpacker, for error checks etc.
+ unpacker *u;
+
+ // Public Methods
+ void openJarFile(const char *fname);
+ void addJarEntry(const char *fname, bool deflate_hint, int modtime, bytes &head,
+ bytes &tail);
+ void addDirectoryToJarFile(const char *dir_name);
+ void closeJarFile(bool central);
+
+ void init(unpacker *u_);
+
+ void free()
+ {
+ central_directory.free();
+ deflated.free();
+ }
+
+ void reset()
+ {
+ free();
+ init(u);
+ }
+
+ // Private Methods
+ void write_data(void *ptr, int len);
+ void write_data(bytes &b)
+ {
+ write_data(b.ptr, (int)b.len);
+ }
+ void add_to_jar_directory(const char *fname, bool store, int modtime, int len, int clen,
+ uint32_t crc);
+ void write_jar_header(const char *fname, bool store, int modtime, int len, int clen,
+ unsigned int crc);
+ void write_central_directory();
+ uint32_t dostime(int y, int n, int d, int h, int m, int s);
+ uint32_t get_dostime(int modtime);
+
+ // The definitions of these depend on the NO_ZLIB option:
+ bool deflate_bytes(bytes &head, bytes &tail);
+ static uint32_t get_crc32(uint32_t c, unsigned char *ptr, uint32_t len);
};
struct gunzip
{
- // optional gzip input stream control block
+ // optional gzip input stream control block
- // pointer to outer unpacker, for error checks etc.
- unpacker *u;
+ // pointer to outer unpacker, for error checks etc.
+ unpacker *u;
- void *read_input_fn; // underlying \bchar\b stream
- void *zstream; // inflater state
- char inbuf[1 << 14]; // input buffer
+ read_input_fn_t read_input_fn; // underlying \bchar\b stream
+ void *zstream; // inflater state
+ char inbuf[1 << 14]; // input buffer
- void init(unpacker *u_); // pushes new value on u->read_input_fn
+ void init(unpacker *u_); // pushes new value on u->read_input_fn
- void free();
+ void free();
- void start(int magic);
+ void start(int magic);
- // private stuff
- void read_fixed_field(char *buf, size_t buflen);
+ // private stuff
+ void read_fixed_field(char *buf, size_t buflen);
};
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