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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc b/toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc new file mode 100644 index 000000000..3789f9ec5 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc @@ -0,0 +1,616 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> + +// module_unittest.cc: Unit tests for google_breakpad::Module. + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <algorithm> +#include <sstream> +#include <string> + +#include "breakpad_googletest_includes.h" +#include "common/module.h" +#include "common/using_std_string.h" + +using google_breakpad::Module; +using std::stringstream; +using std::vector; +using testing::ContainerEq; + +static Module::Function *generate_duplicate_function(const string &name) { + const Module::Address DUP_ADDRESS = 0xd35402aac7a7ad5cLL; + const Module::Address DUP_SIZE = 0x200b26e605f99071LL; + const Module::Address DUP_PARAMETER_SIZE = 0xf14ac4fed48c4a99LL; + + Module::Function *function = new Module::Function(name, DUP_ADDRESS); + function->size = DUP_SIZE; + function->parameter_size = DUP_PARAMETER_SIZE; + return function; +} + +#define MODULE_NAME "name with spaces" +#define MODULE_OS "os-name" +#define MODULE_ARCH "architecture" +#define MODULE_ID "id-string" +#define MODULE_CODE_ID "code-id-string" + +TEST(Write, Header) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n", + contents.c_str()); +} + +TEST(Write, HeaderCodeId) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID, MODULE_CODE_ID); + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "INFO CODE_ID code-id-string\n", + contents.c_str()); +} + +TEST(Write, OneLineFunc) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + Module::File *file = m.FindFile("file_name.cc"); + Module::Function *function = new Module::Function( + "function_name", 0xe165bf8023b9d9abLL); + function->size = 0x1e4bb0eb1cbf5b09LL; + function->parameter_size = 0x772beee89114358aLL; + Module::Line line = { 0xe165bf8023b9d9abLL, 0x1e4bb0eb1cbf5b09LL, + file, 67519080 }; + function->lines.push_back(line); + m.AddFunction(function); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 file_name.cc\n" + "FUNC e165bf8023b9d9ab 1e4bb0eb1cbf5b09 772beee89114358a" + " function_name\n" + "e165bf8023b9d9ab 1e4bb0eb1cbf5b09 67519080 0\n", + contents.c_str()); +} + +TEST(Write, RelativeLoadAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Some source files. We will expect to see them in lexicographic order. + Module::File *file1 = m.FindFile("filename-b.cc"); + Module::File *file2 = m.FindFile("filename-a.cc"); + + // A function. + Module::Function *function = new Module::Function( + "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)", 0xbec774ea5dd935f3LL); + function->size = 0x2922088f98d3f6fcLL; + function->parameter_size = 0xe5e9aa008bd5f0d0LL; + + // Some source lines. The module should not sort these. + Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL, + file1, 41676901 }; + Module::Line line2 = { 0xdaf35bc123885c04LL, 0xcf621b8d324d0ebLL, + file2, 67519080 }; + function->lines.push_back(line2); + function->lines.push_back(line1); + + m.AddFunction(function); + + // Some stack information. + Module::StackFrameEntry *entry = new Module::StackFrameEntry(); + entry->address = 0x30f9e5c83323973dULL; + entry->size = 0x49fc9ca7c7c13dc2ULL; + entry->initial_rules[".cfa"] = "he was a handsome man"; + entry->initial_rules["and"] = "what i want to know is"; + entry->rule_changes[0x30f9e5c83323973eULL]["how"] = + "do you like your blueeyed boy"; + entry->rule_changes[0x30f9e5c83323973eULL]["Mister"] = "Death"; + m.AddStackFrameEntry(entry); + + // Set the load address. Doing this after adding all the data to + // the module must work fine. + m.SetLoadAddress(0x2ab698b0b6407073LL); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename-a.cc\n" + "FILE 1 filename-b.cc\n" + "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0" + " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n" + "b03cc3106d47eb91 cf621b8d324d0eb 67519080 0\n" + "9410dc39a798c580 1c2be6d6c5af2611 41676901 1\n" + "STACK CFI INIT 6434d177ce326ca 49fc9ca7c7c13dc2" + " .cfa: he was a handsome man" + " and: what i want to know is\n" + "STACK CFI 6434d177ce326cb" + " Mister: Death" + " how: do you like your blueeyed boy\n", + contents.c_str()); +} + +TEST(Write, OmitUnusedFiles) { + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Create some source files. + Module::File *file1 = m.FindFile("filename1"); + m.FindFile("filename2"); // not used by any line + Module::File *file3 = m.FindFile("filename3"); + + // Create a function. + Module::Function *function = new Module::Function( + "function_name", 0x9b926d464f0b9384LL); + function->size = 0x4f524a4ba795e6a6LL; + function->parameter_size = 0xbbe8133a6641c9b7LL; + + // Source files that refer to some files, but not others. + Module::Line line1 = { 0x595fa44ebacc1086LL, 0x1e1e0191b066c5b3LL, + file1, 137850127 }; + Module::Line line2 = { 0x401ce8c8a12d25e3LL, 0x895751c41b8d2ce2LL, + file3, 28113549 }; + function->lines.push_back(line1); + function->lines.push_back(line2); + m.AddFunction(function); + + m.AssignSourceIds(); + + vector<Module::File *> vec; + m.GetFiles(&vec); + EXPECT_EQ((size_t) 3, vec.size()); + EXPECT_STREQ("filename1", vec[0]->name.c_str()); + EXPECT_NE(-1, vec[0]->source_id); + // Expect filename2 not to be used. + EXPECT_STREQ("filename2", vec[1]->name.c_str()); + EXPECT_EQ(-1, vec[1]->source_id); + EXPECT_STREQ("filename3", vec[2]->name.c_str()); + EXPECT_NE(-1, vec[2]->source_id); + + stringstream s; + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename1\n" + "FILE 1 filename3\n" + "FUNC 9b926d464f0b9384 4f524a4ba795e6a6 bbe8133a6641c9b7" + " function_name\n" + "595fa44ebacc1086 1e1e0191b066c5b3 137850127 0\n" + "401ce8c8a12d25e3 895751c41b8d2ce2 28113549 1\n", + contents.c_str()); +} + +TEST(Write, NoCFI) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Some source files. We will expect to see them in lexicographic order. + Module::File *file1 = m.FindFile("filename.cc"); + + // A function. + Module::Function *function = new Module::Function( + "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)", 0xbec774ea5dd935f3LL); + function->size = 0x2922088f98d3f6fcLL; + function->parameter_size = 0xe5e9aa008bd5f0d0LL; + + // Some source lines. The module should not sort these. + Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL, + file1, 41676901 }; + function->lines.push_back(line1); + + m.AddFunction(function); + + // Some stack information. + Module::StackFrameEntry *entry = new Module::StackFrameEntry(); + entry->address = 0x30f9e5c83323973dULL; + entry->size = 0x49fc9ca7c7c13dc2ULL; + entry->initial_rules[".cfa"] = "he was a handsome man"; + entry->initial_rules["and"] = "what i want to know is"; + entry->rule_changes[0x30f9e5c83323973eULL]["how"] = + "do you like your blueeyed boy"; + entry->rule_changes[0x30f9e5c83323973eULL]["Mister"] = "Death"; + m.AddStackFrameEntry(entry); + + // Set the load address. Doing this after adding all the data to + // the module must work fine. + m.SetLoadAddress(0x2ab698b0b6407073LL); + + m.Write(s, NO_CFI); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FILE 0 filename.cc\n" + "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0" + " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n" + "9410dc39a798c580 1c2be6d6c5af2611 41676901 0\n", + contents.c_str()); +} + +TEST(Construct, AddFunctions) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = new Module::Function( + "_without_form", 0xd35024aa7ca7da5cLL); + function1->size = 0x200b26e605f99071LL; + function1->parameter_size = 0xf14ac4fed48c4a99LL; + + Module::Function *function2 = new Module::Function( + "_and_void", 0x2987743d0b35b13fLL); + function2->size = 0xb369db048deb3010LL; + function2->parameter_size = 0x938e556cb5a79988LL; + + // Put them in a vector. + vector<Module::Function *> vec; + vec.push_back(function1); + vec.push_back(function2); + + m.AddFunctions(vec.begin(), vec.end()); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC 2987743d0b35b13f b369db048deb3010 938e556cb5a79988" + " _and_void\n" + "FUNC d35024aa7ca7da5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); + + // Check that m.GetFunctions returns the functions we expect. + vec.clear(); + m.GetFunctions(&vec, vec.end()); + EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function1)); + EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function2)); + EXPECT_EQ((size_t) 2, vec.size()); +} + +TEST(Construct, AddFrames) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // First STACK CFI entry, with no initial rules or deltas. + Module::StackFrameEntry *entry1 = new Module::StackFrameEntry(); + entry1->address = 0xddb5f41285aa7757ULL; + entry1->size = 0x1486493370dc5073ULL; + m.AddStackFrameEntry(entry1); + + // Second STACK CFI entry, with initial rules but no deltas. + Module::StackFrameEntry *entry2 = new Module::StackFrameEntry(); + entry2->address = 0x8064f3af5e067e38ULL; + entry2->size = 0x0de2a5ee55509407ULL; + entry2->initial_rules[".cfa"] = "I think that I shall never see"; + entry2->initial_rules["stromboli"] = "a poem lovely as a tree"; + entry2->initial_rules["cannoli"] = "a tree whose hungry mouth is prest"; + m.AddStackFrameEntry(entry2); + + // Third STACK CFI entry, with initial rules and deltas. + Module::StackFrameEntry *entry3 = new Module::StackFrameEntry(); + entry3->address = 0x5e8d0db0a7075c6cULL; + entry3->size = 0x1c7edb12a7aea229ULL; + entry3->initial_rules[".cfa"] = "Whose woods are these"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["calzone"] = + "the village though"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["cannoli"] = + "he will not see me stopping here"; + entry3->rule_changes[0x36682fad3763ffffULL]["stromboli"] = + "his house is in"; + entry3->rule_changes[0x36682fad3763ffffULL][".cfa"] = + "I think I know"; + m.AddStackFrameEntry(entry3); + + // Check that Write writes STACK CFI records properly. + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "STACK CFI INIT 5e8d0db0a7075c6c 1c7edb12a7aea229" + " .cfa: Whose woods are these\n" + "STACK CFI 36682fad3763ffff" + " .cfa: I think I know" + " stromboli: his house is in\n" + "STACK CFI 47ceb0f63c269d7f" + " calzone: the village though" + " cannoli: he will not see me stopping here\n" + "STACK CFI INIT 8064f3af5e067e38 de2a5ee55509407" + " .cfa: I think that I shall never see" + " cannoli: a tree whose hungry mouth is prest" + " stromboli: a poem lovely as a tree\n" + "STACK CFI INIT ddb5f41285aa7757 1486493370dc5073 \n", + contents.c_str()); + + // Check that GetStackFrameEntries works. + vector<Module::StackFrameEntry *> entries; + m.GetStackFrameEntries(&entries); + ASSERT_EQ(3U, entries.size()); + // Check first entry. + EXPECT_EQ(0x5e8d0db0a7075c6cULL, entries[0]->address); + EXPECT_EQ(0x1c7edb12a7aea229ULL, entries[0]->size); + Module::RuleMap entry1_initial; + entry1_initial[".cfa"] = "Whose woods are these"; + EXPECT_THAT(entries[0]->initial_rules, ContainerEq(entry1_initial)); + Module::RuleChangeMap entry1_changes; + entry1_changes[0x36682fad3763ffffULL][".cfa"] = "I think I know"; + entry1_changes[0x36682fad3763ffffULL]["stromboli"] = "his house is in"; + entry1_changes[0x47ceb0f63c269d7fULL]["calzone"] = "the village though"; + entry1_changes[0x47ceb0f63c269d7fULL]["cannoli"] = + "he will not see me stopping here"; + EXPECT_THAT(entries[0]->rule_changes, ContainerEq(entry1_changes)); + // Check second entry. + EXPECT_EQ(0x8064f3af5e067e38ULL, entries[1]->address); + EXPECT_EQ(0x0de2a5ee55509407ULL, entries[1]->size); + ASSERT_EQ(3U, entries[1]->initial_rules.size()); + Module::RuleMap entry2_initial; + entry2_initial[".cfa"] = "I think that I shall never see"; + entry2_initial["stromboli"] = "a poem lovely as a tree"; + entry2_initial["cannoli"] = "a tree whose hungry mouth is prest"; + EXPECT_THAT(entries[1]->initial_rules, ContainerEq(entry2_initial)); + ASSERT_EQ(0U, entries[1]->rule_changes.size()); + // Check third entry. + EXPECT_EQ(0xddb5f41285aa7757ULL, entries[2]->address); + EXPECT_EQ(0x1486493370dc5073ULL, entries[2]->size); + ASSERT_EQ(0U, entries[2]->initial_rules.size()); + ASSERT_EQ(0U, entries[2]->rule_changes.size()); +} + +TEST(Construct, UniqueFiles) { + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + Module::File *file1 = m.FindFile("foo"); + Module::File *file2 = m.FindFile(string("bar")); + Module::File *file3 = m.FindFile(string("foo")); + Module::File *file4 = m.FindFile("bar"); + EXPECT_NE(file1, file2); + EXPECT_EQ(file1, file3); + EXPECT_EQ(file2, file4); + EXPECT_EQ(file1, m.FindExistingFile("foo")); + EXPECT_TRUE(m.FindExistingFile("baz") == NULL); +} + +TEST(Construct, DuplicateFunctions) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = generate_duplicate_function("_without_form"); + Module::Function *function2 = generate_duplicate_function("_without_form"); + + m.AddFunction(function1); + m.AddFunction(function2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); +} + +TEST(Construct, FunctionsWithSameAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two functions. + Module::Function *function1 = generate_duplicate_function("_without_form"); + Module::Function *function2 = generate_duplicate_function("_and_void"); + + m.AddFunction(function1); + m.AddFunction(function2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _and_void\n" + "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99" + " _without_form\n", + contents.c_str()); +} + +// Externs should be written out as PUBLIC records, sorted by +// address. +TEST(Construct, Externs) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two externs. + Module::Extern *extern1 = new Module::Extern(0xffff); + extern1->name = "_abc"; + Module::Extern *extern2 = new Module::Extern(0xaaaa); + extern2->name = "_xyz"; + + m.AddExtern(extern1); + m.AddExtern(extern2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " " + MODULE_ID " " MODULE_NAME "\n" + "PUBLIC aaaa 0 _xyz\n" + "PUBLIC ffff 0 _abc\n", + contents.c_str()); +} + +// Externs with the same address should only keep the first entry +// added. +TEST(Construct, DuplicateExterns) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two externs. + Module::Extern *extern1 = new Module::Extern(0xffff); + extern1->name = "_xyz"; + Module::Extern *extern2 = new Module::Extern(0xffff); + extern2->name = "_abc"; + + m.AddExtern(extern1); + m.AddExtern(extern2); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " " + MODULE_ID " " MODULE_NAME "\n" + "PUBLIC ffff 0 _xyz\n", + contents.c_str()); +} + +// If there exists an extern and a function at the same address, only write +// out the FUNC entry. +TEST(Construct, FunctionsAndExternsWithSameAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // Two externs. + Module::Extern* extern1 = new Module::Extern(0xabc0); + extern1->name = "abc"; + Module::Extern* extern2 = new Module::Extern(0xfff0); + extern2->name = "xyz"; + + m.AddExtern(extern1); + m.AddExtern(extern2); + + Module::Function* function = new Module::Function("_xyz", 0xfff0); + function->size = 0x10; + function->parameter_size = 0; + m.AddFunction(function); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " " + MODULE_ID " " MODULE_NAME "\n" + "FUNC fff0 10 0 _xyz\n" + "PUBLIC abc0 0 abc\n", + contents.c_str()); +} + +// If there exists an extern and a function at the same address, only write +// out the FUNC entry. For ARM THUMB, the extern that comes from the ELF +// symbol section has bit 0 set. +TEST(Construct, FunctionsAndThumbExternsWithSameAddress) { + stringstream s; + Module m(MODULE_NAME, MODULE_OS, "arm", MODULE_ID); + + // Two THUMB externs. + Module::Extern* thumb_extern1 = new Module::Extern(0xabc1); + thumb_extern1->name = "thumb_abc"; + Module::Extern* thumb_extern2 = new Module::Extern(0xfff1); + thumb_extern2->name = "thumb_xyz"; + + Module::Extern* arm_extern1 = new Module::Extern(0xcc00); + arm_extern1->name = "arm_func"; + + m.AddExtern(thumb_extern1); + m.AddExtern(thumb_extern2); + m.AddExtern(arm_extern1); + + // The corresponding function from the DWARF debug data have the actual + // address. + Module::Function* function = new Module::Function("_thumb_xyz", 0xfff0); + function->size = 0x10; + function->parameter_size = 0; + m.AddFunction(function); + + m.Write(s, ALL_SYMBOL_DATA); + string contents = s.str(); + + EXPECT_STREQ("MODULE " MODULE_OS " arm " + MODULE_ID " " MODULE_NAME "\n" + "FUNC fff0 10 0 _thumb_xyz\n" + "PUBLIC abc1 0 thumb_abc\n" + "PUBLIC cc00 0 arm_func\n", + contents.c_str()); +} + +TEST(Lookup, StackFrameEntries) { + Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID); + + // First STACK CFI entry, with no initial rules or deltas. + Module::StackFrameEntry *entry1 = new Module::StackFrameEntry(); + entry1->address = 0x2000; + entry1->size = 0x900; + m.AddStackFrameEntry(entry1); + + // Second STACK CFI entry, with initial rules but no deltas. + Module::StackFrameEntry *entry2 = new Module::StackFrameEntry(); + entry2->address = 0x3000; + entry2->size = 0x900; + entry2->initial_rules[".cfa"] = "I think that I shall never see"; + entry2->initial_rules["stromboli"] = "a poem lovely as a tree"; + entry2->initial_rules["cannoli"] = "a tree whose hungry mouth is prest"; + m.AddStackFrameEntry(entry2); + + // Third STACK CFI entry, with initial rules and deltas. + Module::StackFrameEntry *entry3 = new Module::StackFrameEntry(); + entry3->address = 0x1000; + entry3->size = 0x900; + entry3->initial_rules[".cfa"] = "Whose woods are these"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["calzone"] = + "the village though"; + entry3->rule_changes[0x47ceb0f63c269d7fULL]["cannoli"] = + "he will not see me stopping here"; + entry3->rule_changes[0x36682fad3763ffffULL]["stromboli"] = + "his house is in"; + entry3->rule_changes[0x36682fad3763ffffULL][".cfa"] = + "I think I know"; + m.AddStackFrameEntry(entry3); + + Module::StackFrameEntry* s = m.FindStackFrameEntryByAddress(0x1000); + EXPECT_EQ(entry3, s); + s = m.FindStackFrameEntryByAddress(0x18FF); + EXPECT_EQ(entry3, s); + + s = m.FindStackFrameEntryByAddress(0x1900); + EXPECT_EQ((Module::StackFrameEntry*)NULL, s); + s = m.FindStackFrameEntryByAddress(0x1A00); + EXPECT_EQ((Module::StackFrameEntry*)NULL, s); + + s = m.FindStackFrameEntryByAddress(0x2000); + EXPECT_EQ(entry1, s); + s = m.FindStackFrameEntryByAddress(0x28FF); + EXPECT_EQ(entry1, s); + + s = m.FindStackFrameEntryByAddress(0x3000); + EXPECT_EQ(entry2, s); + s = m.FindStackFrameEntryByAddress(0x38FF); + EXPECT_EQ(entry2, s); + + s = m.FindStackFrameEntryByAddress(0x3900); + EXPECT_EQ((Module::StackFrameEntry*)NULL, s); + s = m.FindStackFrameEntryByAddress(0x3A00); + EXPECT_EQ((Module::StackFrameEntry*)NULL, s); +} |