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-rw-r--r--tools/profiler/tests/gtest/LulTest.cpp51
-rw-r--r--tools/profiler/tests/gtest/LulTestDwarf.cpp2597
-rw-r--r--tools/profiler/tests/gtest/LulTestInfrastructure.cpp491
-rw-r--r--tools/profiler/tests/gtest/LulTestInfrastructure.h666
-rw-r--r--tools/profiler/tests/gtest/ThreadProfileTest.cpp75
-rw-r--r--tools/profiler/tests/gtest/moz.build30
6 files changed, 0 insertions, 3910 deletions
diff --git a/tools/profiler/tests/gtest/LulTest.cpp b/tools/profiler/tests/gtest/LulTest.cpp
deleted file mode 100644
index 8a165ab34..000000000
--- a/tools/profiler/tests/gtest/LulTest.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "gtest/gtest.h"
-#include "mozilla/Atomics.h"
-#include "LulMain.h"
-#include "GeckoProfiler.h" // for TracingMetadata
-#include "platform-linux-lul.h" // for read_procmaps
-
-// Set this to 0 to make LUL be completely silent during tests.
-// Set it to 1 to get logging output from LUL, presumably for
-// the purpose of debugging it.
-#define DEBUG_LUL_TEST 0
-
-// LUL needs a callback for its logging sink.
-static void
-gtest_logging_sink_for_LulIntegration(const char* str) {
- if (DEBUG_LUL_TEST == 0) {
- return;
- }
- // Ignore any trailing \n, since LOG will add one anyway.
- size_t n = strlen(str);
- if (n > 0 && str[n-1] == '\n') {
- char* tmp = strdup(str);
- tmp[n-1] = 0;
- fprintf(stderr, "LUL-in-gtest: %s\n", tmp);
- free(tmp);
- } else {
- fprintf(stderr, "LUL-in-gtest: %s\n", str);
- }
-}
-
-TEST(LulIntegration, unwind_consistency) {
- // Set up LUL and get it to read unwind info for libxul.so, which is
- // all we care about here, plus (incidentally) practically every
- // other object in the process too.
- lul::LUL* lul = new lul::LUL(gtest_logging_sink_for_LulIntegration);
- read_procmaps(lul);
-
- // Run unwind tests and receive information about how many there
- // were and how many were successful.
- lul->EnableUnwinding();
- int nTests = 0, nTestsPassed = 0;
- RunLulUnitTests(&nTests, &nTestsPassed, lul);
- EXPECT_TRUE(nTests == 6) << "Unexpected number of tests";
- EXPECT_TRUE(nTestsPassed == nTests) << "Not all tests passed";
-
- delete lul;
-}
diff --git a/tools/profiler/tests/gtest/LulTestDwarf.cpp b/tools/profiler/tests/gtest/LulTestDwarf.cpp
deleted file mode 100644
index 5cfd71fd4..000000000
--- a/tools/profiler/tests/gtest/LulTestDwarf.cpp
+++ /dev/null
@@ -1,2597 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "gtest/gtest.h"
-#include "gmock/gmock.h"
-#include "LulCommonExt.h"
-#include "LulDwarfExt.h"
-#include "LulDwarfInt.h"
-#include "LulTestInfrastructure.h"
-
-using testing::Test;
-using testing::Return;
-using testing::Sequence;
-using testing::InSequence;
-using testing::_;
-using lul_test::CFISection;
-using lul_test::test_assembler::kBigEndian;
-using lul_test::test_assembler::kLittleEndian;
-using lul_test::test_assembler::Label;
-
-#define PERHAPS_WRITE_DEBUG_FRAME_FILE(name, section) /**/
-#define PERHAPS_WRITE_EH_FRAME_FILE(name, section) /**/
-
-// Set this to 0 to make LUL be completely silent during tests.
-// Set it to 1 to get logging output from LUL, presumably for
-// the purpose of debugging it.
-#define DEBUG_LUL_TEST_DWARF 0
-
-// LUL needs a callback for its logging sink.
-static void
-gtest_logging_sink_for_LulTestDwarf(const char* str) {
- if (DEBUG_LUL_TEST_DWARF == 0) {
- return;
- }
- // Ignore any trailing \n, since LOG will add one anyway.
- size_t n = strlen(str);
- if (n > 0 && str[n-1] == '\n') {
- char* tmp = strdup(str);
- tmp[n-1] = 0;
- fprintf(stderr, "LUL-in-gtest: %s\n", tmp);
- free(tmp);
- } else {
- fprintf(stderr, "LUL-in-gtest: %s\n", str);
- }
-}
-
-namespace lul {
-
-class MockCallFrameInfoHandler : public CallFrameInfo::Handler {
- public:
- MOCK_METHOD6(Entry, bool(size_t offset, uint64 address, uint64 length,
- uint8 version, const std::string &augmentation,
- unsigned return_address));
- MOCK_METHOD2(UndefinedRule, bool(uint64 address, int reg));
- MOCK_METHOD2(SameValueRule, bool(uint64 address, int reg));
- MOCK_METHOD4(OffsetRule, bool(uint64 address, int reg, int base_register,
- long offset));
- MOCK_METHOD4(ValOffsetRule, bool(uint64 address, int reg, int base_register,
- long offset));
- MOCK_METHOD3(RegisterRule, bool(uint64 address, int reg, int base_register));
- MOCK_METHOD3(ExpressionRule, bool(uint64 address, int reg,
- const std::string &expression));
- MOCK_METHOD3(ValExpressionRule, bool(uint64 address, int reg,
- const std::string &expression));
- MOCK_METHOD0(End, bool());
- MOCK_METHOD2(PersonalityRoutine, bool(uint64 address, bool indirect));
- MOCK_METHOD2(LanguageSpecificDataArea, bool(uint64 address, bool indirect));
- MOCK_METHOD0(SignalHandler, bool());
-};
-
-class MockCallFrameErrorReporter : public CallFrameInfo::Reporter {
- public:
- MockCallFrameErrorReporter()
- : Reporter(gtest_logging_sink_for_LulTestDwarf,
- "mock filename", "mock section")
- { }
- MOCK_METHOD2(Incomplete, void(uint64, CallFrameInfo::EntryKind));
- MOCK_METHOD1(EarlyEHTerminator, void(uint64));
- MOCK_METHOD2(CIEPointerOutOfRange, void(uint64, uint64));
- MOCK_METHOD2(BadCIEId, void(uint64, uint64));
- MOCK_METHOD2(UnrecognizedVersion, void(uint64, int version));
- MOCK_METHOD2(UnrecognizedAugmentation, void(uint64, const string &));
- MOCK_METHOD2(InvalidPointerEncoding, void(uint64, uint8));
- MOCK_METHOD2(UnusablePointerEncoding, void(uint64, uint8));
- MOCK_METHOD2(RestoreInCIE, void(uint64, uint64));
- MOCK_METHOD3(BadInstruction, void(uint64, CallFrameInfo::EntryKind, uint64));
- MOCK_METHOD3(NoCFARule, void(uint64, CallFrameInfo::EntryKind, uint64));
- MOCK_METHOD3(EmptyStateStack, void(uint64, CallFrameInfo::EntryKind, uint64));
- MOCK_METHOD3(ClearingCFARule, void(uint64, CallFrameInfo::EntryKind, uint64));
-};
-
-struct CFIFixture {
-
- enum { kCFARegister = CallFrameInfo::Handler::kCFARegister };
-
- CFIFixture() {
- // Default expectations for the data handler.
- //
- // - Leave Entry and End without expectations, as it's probably a
- // good idea to set those explicitly in each test.
- //
- // - Expect the *Rule functions to not be called,
- // so that each test can simply list the calls they expect.
- //
- // I gather I could use StrictMock for this, but the manual seems
- // to suggest using that only as a last resort, and this isn't so
- // bad.
- EXPECT_CALL(handler, UndefinedRule(_, _)).Times(0);
- EXPECT_CALL(handler, SameValueRule(_, _)).Times(0);
- EXPECT_CALL(handler, OffsetRule(_, _, _, _)).Times(0);
- EXPECT_CALL(handler, ValOffsetRule(_, _, _, _)).Times(0);
- EXPECT_CALL(handler, RegisterRule(_, _, _)).Times(0);
- EXPECT_CALL(handler, ExpressionRule(_, _, _)).Times(0);
- EXPECT_CALL(handler, ValExpressionRule(_, _, _)).Times(0);
- EXPECT_CALL(handler, PersonalityRoutine(_, _)).Times(0);
- EXPECT_CALL(handler, LanguageSpecificDataArea(_, _)).Times(0);
- EXPECT_CALL(handler, SignalHandler()).Times(0);
-
- // Default expectations for the error/warning reporer.
- EXPECT_CALL(reporter, Incomplete(_, _)).Times(0);
- EXPECT_CALL(reporter, EarlyEHTerminator(_)).Times(0);
- EXPECT_CALL(reporter, CIEPointerOutOfRange(_, _)).Times(0);
- EXPECT_CALL(reporter, BadCIEId(_, _)).Times(0);
- EXPECT_CALL(reporter, UnrecognizedVersion(_, _)).Times(0);
- EXPECT_CALL(reporter, UnrecognizedAugmentation(_, _)).Times(0);
- EXPECT_CALL(reporter, InvalidPointerEncoding(_, _)).Times(0);
- EXPECT_CALL(reporter, UnusablePointerEncoding(_, _)).Times(0);
- EXPECT_CALL(reporter, RestoreInCIE(_, _)).Times(0);
- EXPECT_CALL(reporter, BadInstruction(_, _, _)).Times(0);
- EXPECT_CALL(reporter, NoCFARule(_, _, _)).Times(0);
- EXPECT_CALL(reporter, EmptyStateStack(_, _, _)).Times(0);
- EXPECT_CALL(reporter, ClearingCFARule(_, _, _)).Times(0);
- }
-
- MockCallFrameInfoHandler handler;
- MockCallFrameErrorReporter reporter;
-};
-
-class LulDwarfCFI: public CFIFixture, public Test { };
-
-TEST_F(LulDwarfCFI, EmptyRegion) {
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
- static const char data[1] = { 42 };
-
- ByteReader reader(ENDIANNESS_BIG);
- CallFrameInfo parser(data, 0, &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-TEST_F(LulDwarfCFI, IncompleteLength32) {
- CFISection section(kBigEndian, 8);
- section
- // Not even long enough for an initial length.
- .D16(0xa0f)
- // Padding to keep valgrind happy. We subtract these off when we
- // construct the parser.
- .D16(0);
-
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
-
- EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown))
- .WillOnce(Return());
-
- string contents;
- ASSERT_TRUE(section.GetContents(&contents));
-
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(8);
- CallFrameInfo parser(contents.data(), contents.size() - 2,
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-TEST_F(LulDwarfCFI, IncompleteLength64) {
- CFISection section(kLittleEndian, 4);
- section
- // An incomplete 64-bit DWARF initial length.
- .D32(0xffffffff).D32(0x71fbaec2)
- // Padding to keep valgrind happy. We subtract these off when we
- // construct the parser.
- .D32(0);
-
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
-
- EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown))
- .WillOnce(Return());
-
- string contents;
- ASSERT_TRUE(section.GetContents(&contents));
-
- ByteReader reader(ENDIANNESS_LITTLE);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size() - 4,
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-TEST_F(LulDwarfCFI, IncompleteId32) {
- CFISection section(kBigEndian, 8);
- section
- .D32(3) // Initial length, not long enough for id
- .D8(0xd7).D8(0xe5).D8(0xf1) // incomplete id
- .CIEHeader(8727, 3983, 8889, 3, "")
- .FinishEntry();
-
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
-
- EXPECT_CALL(reporter, Incomplete(_, CallFrameInfo::kUnknown))
- .WillOnce(Return());
-
- string contents;
- ASSERT_TRUE(section.GetContents(&contents));
-
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(8);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-TEST_F(LulDwarfCFI, BadId32) {
- CFISection section(kBigEndian, 8);
- section
- .D32(0x100) // Initial length
- .D32(0xe802fade) // bogus ID
- .Append(0x100 - 4, 0x42); // make the length true
- section
- .CIEHeader(1672, 9872, 8529, 3, "")
- .FinishEntry();
-
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
-
- EXPECT_CALL(reporter, CIEPointerOutOfRange(_, 0xe802fade))
- .WillOnce(Return());
-
- string contents;
- ASSERT_TRUE(section.GetContents(&contents));
-
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(8);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-// A lone CIE shouldn't cause any handler calls.
-TEST_F(LulDwarfCFI, SingleCIE) {
- CFISection section(kLittleEndian, 4);
- section.CIEHeader(0xffe799a8, 0x3398dcdd, 0x6e9683de, 3, "");
- section.Append(10, lul::DW_CFA_nop);
- section.FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("SingleCIE", section);
-
- EXPECT_CALL(handler, Entry(_, _, _, _, _, _)).Times(0);
- EXPECT_CALL(handler, End()).Times(0);
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_LITTLE);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-// One FDE, one CIE.
-TEST_F(LulDwarfCFI, OneFDE) {
- CFISection section(kBigEndian, 4);
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(0x4be22f75, 0x2492236e, 0x6b6efb87, 3, "")
- .FinishEntry()
- .FDEHeader(cie, 0x7714740d, 0x3d5a10cd)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("OneFDE", section);
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, 0x7714740d, 0x3d5a10cd, 3, "", 0x6b6efb87))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-// Two FDEs share a CIE.
-TEST_F(LulDwarfCFI, TwoFDEsOneCIE) {
- CFISection section(kBigEndian, 4);
- Label cie;
- section
- // First FDE. readelf complains about this one because it makes
- // a forward reference to its CIE.
- .FDEHeader(cie, 0xa42744df, 0xa3b42121)
- .FinishEntry()
- // CIE.
- .Mark(&cie)
- .CIEHeader(0x04f7dc7b, 0x3d00c05f, 0xbd43cb59, 3, "")
- .FinishEntry()
- // Second FDE.
- .FDEHeader(cie, 0x6057d391, 0x700f608d)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("TwoFDEsOneCIE", section);
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, 0xa42744df, 0xa3b42121, 3, "", 0xbd43cb59))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, 0x6057d391, 0x700f608d, 3, "", 0xbd43cb59))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-// Two FDEs, two CIEs.
-TEST_F(LulDwarfCFI, TwoFDEsTwoCIEs) {
- CFISection section(kLittleEndian, 8);
- Label cie1, cie2;
- section
- // First CIE.
- .Mark(&cie1)
- .CIEHeader(0x694d5d45, 0x4233221b, 0xbf45e65a, 3, "")
- .FinishEntry()
- // First FDE which cites second CIE. readelf complains about
- // this one because it makes a forward reference to its CIE.
- .FDEHeader(cie2, 0x778b27dfe5871f05ULL, 0x324ace3448070926ULL)
- .FinishEntry()
- // Second FDE, which cites first CIE.
- .FDEHeader(cie1, 0xf6054ca18b10bf5fULL, 0x45fdb970d8bca342ULL)
- .FinishEntry()
- // Second CIE.
- .Mark(&cie2)
- .CIEHeader(0xfba3fad7, 0x6287e1fd, 0x61d2c581, 2, "")
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("TwoFDEsTwoCIEs", section);
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, 0x778b27dfe5871f05ULL, 0x324ace3448070926ULL, 2,
- "", 0x61d2c581))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, 0xf6054ca18b10bf5fULL, 0x45fdb970d8bca342ULL, 3,
- "", 0xbf45e65a))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_LITTLE);
- reader.SetAddressSize(8);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-// An FDE whose CIE specifies a version we don't recognize.
-TEST_F(LulDwarfCFI, BadVersion) {
- CFISection section(kBigEndian, 4);
- Label cie1, cie2;
- section
- .Mark(&cie1)
- .CIEHeader(0xca878cf0, 0x7698ec04, 0x7b616f54, 0x52, "")
- .FinishEntry()
- // We should skip this entry, as its CIE specifies a version we
- // don't recognize.
- .FDEHeader(cie1, 0x08852292, 0x2204004a)
- .FinishEntry()
- // Despite the above, we should visit this entry.
- .Mark(&cie2)
- .CIEHeader(0x7c3ae7c9, 0xb9b9a512, 0x96cb3264, 3, "")
- .FinishEntry()
- .FDEHeader(cie2, 0x2094735a, 0x6e875501)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("BadVersion", section);
-
- EXPECT_CALL(reporter, UnrecognizedVersion(_, 0x52))
- .WillOnce(Return());
-
- {
- InSequence s;
- // We should see no mention of the first FDE, but we should get
- // a call to Entry for the second.
- EXPECT_CALL(handler, Entry(_, 0x2094735a, 0x6e875501, 3, "",
- 0x96cb3264))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-// An FDE whose CIE specifies an augmentation we don't recognize.
-TEST_F(LulDwarfCFI, BadAugmentation) {
- CFISection section(kBigEndian, 4);
- Label cie1, cie2;
- section
- .Mark(&cie1)
- .CIEHeader(0x4be22f75, 0x2492236e, 0x6b6efb87, 3, "spaniels!")
- .FinishEntry()
- // We should skip this entry, as its CIE specifies an
- // augmentation we don't recognize.
- .FDEHeader(cie1, 0x7714740d, 0x3d5a10cd)
- .FinishEntry()
- // Despite the above, we should visit this entry.
- .Mark(&cie2)
- .CIEHeader(0xf8bc4399, 0x8cf09931, 0xf2f519b2, 3, "")
- .FinishEntry()
- .FDEHeader(cie2, 0x7bf0fda0, 0xcbcd28d8)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("BadAugmentation", section);
-
- EXPECT_CALL(reporter, UnrecognizedAugmentation(_, "spaniels!"))
- .WillOnce(Return());
-
- {
- InSequence s;
- // We should see no mention of the first FDE, but we should get
- // a call to Entry for the second.
- EXPECT_CALL(handler, Entry(_, 0x7bf0fda0, 0xcbcd28d8, 3, "",
- 0xf2f519b2))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_FALSE(parser.Start());
-}
-
-// The return address column field is a byte in CFI version 1
-// (DWARF2), but a ULEB128 value in version 3 (DWARF3).
-TEST_F(LulDwarfCFI, CIEVersion1ReturnColumn) {
- CFISection section(kBigEndian, 4);
- Label cie;
- section
- // CIE, using the version 1 format: return column is a ubyte.
- .Mark(&cie)
- // Use a value for the return column that is parsed differently
- // as a ubyte and as a ULEB128.
- .CIEHeader(0xbcdea24f, 0x5be28286, 0x9f, 1, "")
- .FinishEntry()
- // FDE, citing that CIE.
- .FDEHeader(cie, 0xb8d347b5, 0x825e55dc)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("CIEVersion1ReturnColumn", section);
-
- {
- InSequence s;
- EXPECT_CALL(handler, Entry(_, 0xb8d347b5, 0x825e55dc, 1, "", 0x9f))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-// The return address column field is a byte in CFI version 1
-// (DWARF2), but a ULEB128 value in version 3 (DWARF3).
-TEST_F(LulDwarfCFI, CIEVersion3ReturnColumn) {
- CFISection section(kBigEndian, 4);
- Label cie;
- section
- // CIE, using the version 3 format: return column is a ULEB128.
- .Mark(&cie)
- // Use a value for the return column that is parsed differently
- // as a ubyte and as a ULEB128.
- .CIEHeader(0x0ab4758d, 0xc010fdf7, 0x89, 3, "")
- .FinishEntry()
- // FDE, citing that CIE.
- .FDEHeader(cie, 0x86763f2b, 0x2a66dc23)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("CIEVersion3ReturnColumn", section);
-
- {
- InSequence s;
- EXPECT_CALL(handler, Entry(_, 0x86763f2b, 0x2a66dc23, 3, "", 0x89))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- string contents;
- EXPECT_TRUE(section.GetContents(&contents));
- ByteReader reader(ENDIANNESS_BIG);
- reader.SetAddressSize(4);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter);
- EXPECT_TRUE(parser.Start());
-}
-
-struct CFIInsnFixture: public CFIFixture {
- CFIInsnFixture() : CFIFixture() {
- data_factor = 0xb6f;
- return_register = 0x9be1ed9f;
- version = 3;
- cfa_base_register = 0x383a3aa;
- cfa_offset = 0xf748;
- }
-
- // Prepare SECTION to receive FDE instructions.
- //
- // - Append a stock CIE header that establishes the fixture's
- // code_factor, data_factor, return_register, version, and
- // augmentation values.
- // - Have the CIE set up a CFA rule using cfa_base_register and
- // cfa_offset.
- // - Append a stock FDE header, referring to the above CIE, for the
- // fde_size bytes at fde_start. Choose fde_start and fde_size
- // appropriately for the section's address size.
- // - Set appropriate expectations on handler in sequence s for the
- // frame description entry and the CIE's CFA rule.
- //
- // On return, SECTION is ready to have FDE instructions appended to
- // it, and its FinishEntry member called.
- void StockCIEAndFDE(CFISection *section) {
- // Choose appropriate constants for our address size.
- if (section->AddressSize() == 4) {
- fde_start = 0xc628ecfbU;
- fde_size = 0x5dee04a2;
- code_factor = 0x60b;
- } else {
- assert(section->AddressSize() == 8);
- fde_start = 0x0005c57ce7806bd3ULL;
- fde_size = 0x2699521b5e333100ULL;
- code_factor = 0x01008e32855274a8ULL;
- }
-
- // Create the CIE.
- (*section)
- .Mark(&cie_label)
- .CIEHeader(code_factor, data_factor, return_register, version,
- "")
- .D8(lul::DW_CFA_def_cfa)
- .ULEB128(cfa_base_register)
- .ULEB128(cfa_offset)
- .FinishEntry();
-
- // Create the FDE.
- section->FDEHeader(cie_label, fde_start, fde_size);
-
- // Expect an Entry call for the FDE and a ValOffsetRule call for the
- // CIE's CFA rule.
- EXPECT_CALL(handler, Entry(_, fde_start, fde_size, version, "",
- return_register))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(fde_start, kCFARegister,
- cfa_base_register, cfa_offset))
- .InSequence(s)
- .WillOnce(Return(true));
- }
-
- // Run the contents of SECTION through a CallFrameInfo parser,
- // expecting parser.Start to return SUCCEEDS. Caller may optionally
- // supply, via READER, its own ByteReader. If that's absent, a
- // local one is used.
- void ParseSection(CFISection *section,
- bool succeeds = true, ByteReader* reader = nullptr) {
- string contents;
- EXPECT_TRUE(section->GetContents(&contents));
- lul::Endianness endianness;
- if (section->endianness() == kBigEndian)
- endianness = ENDIANNESS_BIG;
- else {
- assert(section->endianness() == kLittleEndian);
- endianness = ENDIANNESS_LITTLE;
- }
- ByteReader local_reader(endianness);
- ByteReader* reader_to_use = reader ? reader : &local_reader;
- reader_to_use->SetAddressSize(section->AddressSize());
- CallFrameInfo parser(contents.data(), contents.size(),
- reader_to_use, &handler, &reporter);
- if (succeeds)
- EXPECT_TRUE(parser.Start());
- else
- EXPECT_FALSE(parser.Start());
- }
-
- Label cie_label;
- Sequence s;
- uint64 code_factor;
- int data_factor;
- unsigned return_register;
- unsigned version;
- unsigned cfa_base_register;
- int cfa_offset;
- uint64 fde_start, fde_size;
-};
-
-class LulDwarfCFIInsn: public CFIInsnFixture, public Test { };
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_set_loc) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_set_loc).D32(0xb1ee3e7a)
- // Use DW_CFA_def_cfa to force a handler call that we can use to
- // check the effect of the DW_CFA_set_loc.
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x4defb431).ULEB128(0x6d17b0ee)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_set_loc", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule(0xb1ee3e7a, kCFARegister, 0x4defb431, 0x6d17b0ee))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_advance_loc) {
- CFISection section(kBigEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_advance_loc | 0x2a)
- // Use DW_CFA_def_cfa to force a handler call that we can use to
- // check the effect of the DW_CFA_advance_loc.
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x5bbb3715).ULEB128(0x0186c7bf)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start + 0x2a * code_factor,
- kCFARegister, 0x5bbb3715, 0x0186c7bf))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_advance_loc1) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_advance_loc1).D8(0xd8)
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x69d5696a).ULEB128(0x1eb7fc93)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc1", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule((fde_start + 0xd8 * code_factor),
- kCFARegister, 0x69d5696a, 0x1eb7fc93))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_advance_loc2) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_advance_loc2).D16(0x3adb)
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x3a368bed).ULEB128(0x3194ee37)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc2", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule((fde_start + 0x3adb * code_factor),
- kCFARegister, 0x3a368bed, 0x3194ee37))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_advance_loc4) {
- CFISection section(kBigEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_advance_loc4).D32(0x15813c88)
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x135270c5).ULEB128(0x24bad7cb)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc4", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule((fde_start + 0x15813c88ULL * code_factor),
- kCFARegister, 0x135270c5, 0x24bad7cb))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_MIPS_advance_loc8) {
- code_factor = 0x2d;
- CFISection section(kBigEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_MIPS_advance_loc8).D64(0x3c4f3945b92c14ULL)
- .D8(lul::DW_CFA_def_cfa).ULEB128(0xe17ed602).ULEB128(0x3d162e7f)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_advance_loc8", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule((fde_start + 0x3c4f3945b92c14ULL * code_factor),
- kCFARegister, 0xe17ed602, 0x3d162e7f))
- .InSequence(s)
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x4e363a85).ULEB128(0x815f9aa7)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("DW_CFA_def_cfa", section);
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x4e363a85, 0x815f9aa7))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_sf) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_sf).ULEB128(0x8ccb32b7).LEB128(0x9ea)
- .D8(lul::DW_CFA_def_cfa_sf).ULEB128(0x9b40f5da).LEB128(-0x40a2)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x8ccb32b7,
- 0x9ea * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x9b40f5da,
- -0x40a2 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_register) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_register).ULEB128(0x3e7e9363)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x3e7e9363, cfa_offset))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-// DW_CFA_def_cfa_register should have no effect when applied to a
-// non-base/offset rule.
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_registerBadRule) {
- ByteReader reader(ENDIANNESS_BIG);
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_expression).Block("needle in a haystack")
- .D8(lul::DW_CFA_def_cfa_register).ULEB128(0xf1b49e49)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValExpressionRule(fde_start, kCFARegister,
- "needle in a haystack"))
- .WillRepeatedly(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_offset) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_offset).ULEB128(0x1e8e3b9b)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, cfa_base_register,
- 0x1e8e3b9b))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_offset_sf) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_offset_sf).LEB128(0x970)
- .D8(lul::DW_CFA_def_cfa_offset_sf).LEB128(-0x2cd)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, cfa_base_register,
- 0x970 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, cfa_base_register,
- -0x2cd * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-// DW_CFA_def_cfa_offset should have no effect when applied to a
-// non-base/offset rule.
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_offsetBadRule) {
- ByteReader reader(ENDIANNESS_BIG);
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_expression).Block("six ways to Sunday")
- .D8(lul::DW_CFA_def_cfa_offset).ULEB128(0x1e8e3b9b)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValExpressionRule(fde_start, kCFARegister,
- "six ways to Sunday"))
- .WillRepeatedly(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_def_cfa_expression) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_def_cfa_expression).Block("eating crow")
- .FinishEntry();
-
- EXPECT_CALL(handler, ValExpressionRule(fde_start, kCFARegister,
- "eating crow"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_undefined) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_undefined).ULEB128(0x300ce45d)
- .FinishEntry();
-
- EXPECT_CALL(handler, UndefinedRule(fde_start, 0x300ce45d))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_same_value) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_same_value).ULEB128(0x3865a760)
- .FinishEntry();
-
- EXPECT_CALL(handler, SameValueRule(fde_start, 0x3865a760))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_offset) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset | 0x2c).ULEB128(0x9f6)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x2c, kCFARegister, 0x9f6 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_offset_extended) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset_extended).ULEB128(0x402b).ULEB128(0xb48)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- OffsetRule(fde_start,
- 0x402b, kCFARegister, 0xb48 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_offset_extended_sf) {
- CFISection section(kBigEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset_extended_sf)
- .ULEB128(0x997c23ee).LEB128(0x2d00)
- .D8(lul::DW_CFA_offset_extended_sf)
- .ULEB128(0x9519eb82).LEB128(-0xa77)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x997c23ee,
- kCFARegister, 0x2d00 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x9519eb82,
- kCFARegister, -0xa77 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_val_offset) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_offset).ULEB128(0x623562fe).ULEB128(0x673)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, 0x623562fe,
- kCFARegister, 0x673 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_val_offset_sf) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_offset_sf).ULEB128(0x6f4f).LEB128(0xaab)
- .D8(lul::DW_CFA_val_offset_sf).ULEB128(0x2483).LEB128(-0x8a2)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, 0x6f4f,
- kCFARegister, 0xaab * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, 0x2483,
- kCFARegister, -0x8a2 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_register) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_register).ULEB128(0x278d18f9).ULEB128(0x1a684414)
- .FinishEntry();
-
- EXPECT_CALL(handler, RegisterRule(fde_start, 0x278d18f9, 0x1a684414))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_expression) {
- ByteReader reader(ENDIANNESS_BIG);
- CFISection section(kBigEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_expression).ULEB128(0xa1619fb2)
- .Block("plus ça change, plus c'est la même chose")
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ExpressionRule(fde_start, 0xa1619fb2,
- "plus ça change, plus c'est la même chose"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_val_expression) {
- ByteReader reader(ENDIANNESS_BIG);
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_expression).ULEB128(0xc5e4a9e3)
- .Block("he who has the gold makes the rules")
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValExpressionRule(fde_start, 0xc5e4a9e3,
- "he who has the gold makes the rules"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_restore) {
- CFISection section(kLittleEndian, 8);
- code_factor = 0x01bd188a9b1fa083ULL;
- data_factor = -0x1ac8;
- return_register = 0x8c35b049;
- version = 2;
- fde_start = 0x2d70fe998298bbb1ULL;
- fde_size = 0x46ccc2e63cf0b108ULL;
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(code_factor, data_factor, return_register, version,
- "")
- // Provide a CFA rule, because register rules require them.
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x6ca1d50e).ULEB128(0x372e38e8)
- // Provide an offset(N) rule for register 0x3c.
- .D8(lul::DW_CFA_offset | 0x3c).ULEB128(0xb348)
- .FinishEntry()
- // In the FDE...
- .FDEHeader(cie, fde_start, fde_size)
- // At a second address, provide a new offset(N) rule for register 0x3c.
- .D8(lul::DW_CFA_advance_loc | 0x13)
- .D8(lul::DW_CFA_offset | 0x3c).ULEB128(0x9a50)
- // At a third address, restore the original rule for register 0x3c.
- .D8(lul::DW_CFA_advance_loc | 0x01)
- .D8(lul::DW_CFA_restore | 0x3c)
- .FinishEntry();
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, fde_start, fde_size, version, "", return_register))
- .WillOnce(Return(true));
- // CIE's CFA rule.
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start,
- kCFARegister, 0x6ca1d50e, 0x372e38e8))
- .WillOnce(Return(true));
- // CIE's rule for register 0x3c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x3c,
- kCFARegister, 0xb348 * data_factor))
- .WillOnce(Return(true));
- // FDE's rule for register 0x3c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start + 0x13 * code_factor, 0x3c,
- kCFARegister, 0x9a50 * data_factor))
- .WillOnce(Return(true));
- // Restore CIE's rule for register 0x3c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start + (0x13 + 0x01) * code_factor, 0x3c,
- kCFARegister, 0xb348 * data_factor))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_restoreNoRule) {
- CFISection section(kBigEndian, 4);
- code_factor = 0x005f78143c1c3b82ULL;
- data_factor = 0x25d0;
- return_register = 0xe8;
- version = 1;
- fde_start = 0x4062e30f;
- fde_size = 0x5302a389;
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(code_factor, data_factor, return_register, version, "")
- // Provide a CFA rule, because register rules require them.
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x470aa334).ULEB128(0x099ef127)
- .FinishEntry()
- // In the FDE...
- .FDEHeader(cie, fde_start, fde_size)
- // At a second address, provide an offset(N) rule for register 0x2c.
- .D8(lul::DW_CFA_advance_loc | 0x7)
- .D8(lul::DW_CFA_offset | 0x2c).ULEB128(0x1f47)
- // At a third address, restore the (missing) CIE rule for register 0x2c.
- .D8(lul::DW_CFA_advance_loc | 0xb)
- .D8(lul::DW_CFA_restore | 0x2c)
- .FinishEntry();
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, fde_start, fde_size, version, "", return_register))
- .WillOnce(Return(true));
- // CIE's CFA rule.
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start,
- kCFARegister, 0x470aa334, 0x099ef127))
- .WillOnce(Return(true));
- // FDE's rule for register 0x2c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start + 0x7 * code_factor, 0x2c,
- kCFARegister, 0x1f47 * data_factor))
- .WillOnce(Return(true));
- // Restore CIE's (missing) rule for register 0x2c.
- EXPECT_CALL(handler,
- SameValueRule(fde_start + (0x7 + 0xb) * code_factor, 0x2c))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_restore_extended) {
- CFISection section(kBigEndian, 4);
- code_factor = 0x126e;
- data_factor = -0xd8b;
- return_register = 0x77711787;
- version = 3;
- fde_start = 0x01f55a45;
- fde_size = 0x452adb80;
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(code_factor, data_factor, return_register, version,
- "", true /* dwarf64 */ )
- // Provide a CFA rule, because register rules require them.
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x56fa0edd).ULEB128(0x097f78a5)
- // Provide an offset(N) rule for register 0x0f9b8a1c.
- .D8(lul::DW_CFA_offset_extended)
- .ULEB128(0x0f9b8a1c).ULEB128(0xc979)
- .FinishEntry()
- // In the FDE...
- .FDEHeader(cie, fde_start, fde_size)
- // At a second address, provide a new offset(N) rule for reg 0x0f9b8a1c.
- .D8(lul::DW_CFA_advance_loc | 0x3)
- .D8(lul::DW_CFA_offset_extended)
- .ULEB128(0x0f9b8a1c).ULEB128(0x3b7b)
- // At a third address, restore the original rule for register 0x0f9b8a1c.
- .D8(lul::DW_CFA_advance_loc | 0x04)
- .D8(lul::DW_CFA_restore_extended).ULEB128(0x0f9b8a1c)
- .FinishEntry();
-
- {
- InSequence s;
- EXPECT_CALL(handler,
- Entry(_, fde_start, fde_size, version, "", return_register))
- .WillOnce(Return(true));
- // CIE's CFA rule.
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x56fa0edd, 0x097f78a5))
- .WillOnce(Return(true));
- // CIE's rule for register 0x0f9b8a1c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x0f9b8a1c, kCFARegister,
- 0xc979 * data_factor))
- .WillOnce(Return(true));
- // FDE's rule for register 0x0f9b8a1c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start + 0x3 * code_factor, 0x0f9b8a1c,
- kCFARegister, 0x3b7b * data_factor))
- .WillOnce(Return(true));
- // Restore CIE's rule for register 0x0f9b8a1c.
- EXPECT_CALL(handler,
- OffsetRule(fde_start + (0x3 + 0x4) * code_factor, 0x0f9b8a1c,
- kCFARegister, 0xc979 * data_factor))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
- }
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_remember_and_restore_state) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
-
- // We create a state, save it, modify it, and then restore. We
- // refer to the state that is overridden the restore as the
- // "outgoing" state, and the restored state the "incoming" state.
- //
- // Register outgoing incoming expect
- // 1 offset(N) no rule new "same value" rule
- // 2 register(R) offset(N) report changed rule
- // 3 offset(N) offset(M) report changed offset
- // 4 offset(N) offset(N) no report
- // 5 offset(N) no rule new "same value" rule
- section
- // Create the "incoming" state, which we will save and later restore.
- .D8(lul::DW_CFA_offset | 2).ULEB128(0x9806)
- .D8(lul::DW_CFA_offset | 3).ULEB128(0x995d)
- .D8(lul::DW_CFA_offset | 4).ULEB128(0x7055)
- .D8(lul::DW_CFA_remember_state)
- // Advance to a new instruction; an implementation could legitimately
- // ignore all but the final rule for a given register at a given address.
- .D8(lul::DW_CFA_advance_loc | 1)
- // Create the "outgoing" state, which we will discard.
- .D8(lul::DW_CFA_offset | 1).ULEB128(0xea1a)
- .D8(lul::DW_CFA_register).ULEB128(2).ULEB128(0x1d2a3767)
- .D8(lul::DW_CFA_offset | 3).ULEB128(0xdd29)
- .D8(lul::DW_CFA_offset | 5).ULEB128(0xf1ce)
- // At a third address, restore the incoming state.
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- uint64 addr = fde_start;
-
- // Expect the incoming rules to be reported.
- EXPECT_CALL(handler, OffsetRule(addr, 2, kCFARegister, 0x9806 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0x995d * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 4, kCFARegister, 0x7055 * data_factor))
- .InSequence(s).WillOnce(Return(true));
-
- addr += code_factor;
-
- // After the save, we establish the outgoing rule set.
- EXPECT_CALL(handler, OffsetRule(addr, 1, kCFARegister, 0xea1a * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(addr, 2, 0x1d2a3767))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0xdd29 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 5, kCFARegister, 0xf1ce * data_factor))
- .InSequence(s).WillOnce(Return(true));
-
- addr += code_factor;
-
- // Finally, after the restore, expect to see the differences from
- // the outgoing to the incoming rules reported.
- EXPECT_CALL(handler, SameValueRule(addr, 1))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 2, kCFARegister, 0x9806 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(addr, 3, kCFARegister, 0x995d * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, SameValueRule(addr, 5))
- .InSequence(s).WillOnce(Return(true));
-
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-// Check that restoring a rule set reports changes to the CFA rule.
-TEST_F(LulDwarfCFIInsn, DW_CFA_remember_and_restore_stateCFA) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
-
- section
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_def_cfa_offset).ULEB128(0x90481102)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor, kCFARegister,
- cfa_base_register, 0x90481102))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor * 2, kCFARegister,
- cfa_base_register, cfa_offset))
- .InSequence(s).WillOnce(Return(true));
-
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_nop) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_nop)
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x3fb8d4f1).ULEB128(0x078dc67b)
- .D8(lul::DW_CFA_nop)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- ValOffsetRule(fde_start, kCFARegister, 0x3fb8d4f1, 0x078dc67b))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_GNU_window_save) {
- CFISection section(kBigEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_GNU_window_save)
- .FinishEntry();
-
- // Don't include all the rules in any particular sequence.
-
- // The caller's %o0-%o7 have become the callee's %i0-%i7. This is
- // the GCC register numbering.
- for (int i = 8; i < 16; i++)
- EXPECT_CALL(handler, RegisterRule(fde_start, i, i + 16))
- .WillOnce(Return(true));
- // The caller's %l0-%l7 and %i0-%i7 have been saved at the top of
- // its frame.
- for (int i = 16; i < 32; i++)
- EXPECT_CALL(handler, OffsetRule(fde_start, i, kCFARegister, (i-16) * 4))
- .WillOnce(Return(true));
-
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_GNU_args_size) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_GNU_args_size).ULEB128(0xeddfa520)
- // Verify that we see this, meaning we parsed the above properly.
- .D8(lul::DW_CFA_offset | 0x23).ULEB128(0x269)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x23, kCFARegister, 0x269 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIInsn, DW_CFA_GNU_negative_offset_extended) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_GNU_negative_offset_extended)
- .ULEB128(0x430cc87a).ULEB128(0x613)
- .FinishEntry();
-
- EXPECT_CALL(handler,
- OffsetRule(fde_start, 0x430cc87a,
- kCFARegister, -0x613 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-// Three FDEs: skip the second
-TEST_F(LulDwarfCFIInsn, SkipFDE) {
- CFISection section(kBigEndian, 4);
- Label cie;
- section
- // CIE, used by all FDEs.
- .Mark(&cie)
- .CIEHeader(0x010269f2, 0x9177, 0xedca5849, 2, "")
- .D8(lul::DW_CFA_def_cfa).ULEB128(0x42ed390b).ULEB128(0x98f43aad)
- .FinishEntry()
- // First FDE.
- .FDEHeader(cie, 0xa870ebdd, 0x60f6aa4)
- .D8(lul::DW_CFA_register).ULEB128(0x3a860351).ULEB128(0x6c9a6bcf)
- .FinishEntry()
- // Second FDE.
- .FDEHeader(cie, 0xc534f7c0, 0xf6552e9, true /* dwarf64 */)
- .D8(lul::DW_CFA_register).ULEB128(0x1b62c234).ULEB128(0x26586b18)
- .FinishEntry()
- // Third FDE.
- .FDEHeader(cie, 0xf681cfc8, 0x7e4594e)
- .D8(lul::DW_CFA_register).ULEB128(0x26c53934).ULEB128(0x18eeb8a4)
- .FinishEntry();
-
- {
- InSequence s;
-
- // Process the first FDE.
- EXPECT_CALL(handler, Entry(_, 0xa870ebdd, 0x60f6aa4, 2, "", 0xedca5849))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(0xa870ebdd, kCFARegister,
- 0x42ed390b, 0x98f43aad))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(0xa870ebdd, 0x3a860351, 0x6c9a6bcf))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .WillOnce(Return(true));
-
- // Skip the second FDE.
- EXPECT_CALL(handler, Entry(_, 0xc534f7c0, 0xf6552e9, 2, "", 0xedca5849))
- .WillOnce(Return(false));
-
- // Process the third FDE.
- EXPECT_CALL(handler, Entry(_, 0xf681cfc8, 0x7e4594e, 2, "", 0xedca5849))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(0xf681cfc8, kCFARegister,
- 0x42ed390b, 0x98f43aad))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(0xf681cfc8, 0x26c53934, 0x18eeb8a4))
- .WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .WillOnce(Return(true));
- }
-
- ParseSection(&section);
-}
-
-// Quit processing in the middle of an entry's instructions.
-TEST_F(LulDwarfCFIInsn, QuitMidentry) {
- CFISection section(kLittleEndian, 8);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_register).ULEB128(0xe0cf850d).ULEB128(0x15aab431)
- .D8(lul::DW_CFA_expression).ULEB128(0x46750aa5).Block("meat")
- .FinishEntry();
-
- EXPECT_CALL(handler, RegisterRule(fde_start, 0xe0cf850d, 0x15aab431))
- .InSequence(s).WillOnce(Return(false));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseSection(&section, false);
-}
-
-class LulDwarfCFIRestore: public CFIInsnFixture, public Test { };
-
-TEST_F(LulDwarfCFIRestore, RestoreUndefinedRuleUnchanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_undefined).ULEB128(0x0bac878e)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, UndefinedRule(fde_start, 0x0bac878e))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreUndefinedRuleChanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_undefined).ULEB128(0x7dedff5f)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_same_value).ULEB128(0x7dedff5f)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, UndefinedRule(fde_start, 0x7dedff5f))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, SameValueRule(fde_start + code_factor, 0x7dedff5f))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + 2 * code_factor, 0x7dedff5f))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreSameValueRuleUnchanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_same_value).ULEB128(0xadbc9b3a)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, SameValueRule(fde_start, 0xadbc9b3a))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreSameValueRuleChanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_same_value).ULEB128(0x3d90dcb5)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0x3d90dcb5)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, SameValueRule(fde_start, 0x3d90dcb5))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0x3d90dcb5))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, SameValueRule(fde_start + 2 * code_factor, 0x3d90dcb5))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreOffsetRuleUnchanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset | 0x14).ULEB128(0xb6f)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, OffsetRule(fde_start, 0x14,
- kCFARegister, 0xb6f * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreOffsetRuleChanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset | 0x21).ULEB128(0xeb7)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0x21)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, OffsetRule(fde_start, 0x21,
- kCFARegister, 0xeb7 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0x21))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(fde_start + 2 * code_factor, 0x21,
- kCFARegister, 0xeb7 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreOffsetRuleChangedOffset) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_offset | 0x21).ULEB128(0x134)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_offset | 0x21).ULEB128(0xf4f)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, OffsetRule(fde_start, 0x21,
- kCFARegister, 0x134 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(fde_start + code_factor, 0x21,
- kCFARegister, 0xf4f * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, OffsetRule(fde_start + 2 * code_factor, 0x21,
- kCFARegister, 0x134 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValOffsetRuleUnchanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_offset).ULEB128(0x829caee6).ULEB128(0xe4c)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ValOffsetRule(fde_start, 0x829caee6,
- kCFARegister, 0xe4c * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValOffsetRuleChanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_offset).ULEB128(0xf17c36d6).ULEB128(0xeb7)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0xf17c36d6)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ValOffsetRule(fde_start, 0xf17c36d6,
- kCFARegister, 0xeb7 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xf17c36d6))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(fde_start + 2 * code_factor, 0xf17c36d6,
- kCFARegister, 0xeb7 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValOffsetRuleChangedValOffset) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_offset).ULEB128(0x2cf0ab1b).ULEB128(0x562)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_val_offset).ULEB128(0x2cf0ab1b).ULEB128(0xe88)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ValOffsetRule(fde_start, 0x2cf0ab1b,
- kCFARegister, 0x562 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(fde_start + code_factor, 0x2cf0ab1b,
- kCFARegister, 0xe88 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(fde_start + 2 * code_factor, 0x2cf0ab1b,
- kCFARegister, 0x562 * data_factor))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreRegisterRuleUnchanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_register).ULEB128(0x77514acc).ULEB128(0x464de4ce)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, RegisterRule(fde_start, 0x77514acc, 0x464de4ce))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreRegisterRuleChanged) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_register).ULEB128(0xe39acce5).ULEB128(0x095f1559)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0xe39acce5)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, RegisterRule(fde_start, 0xe39acce5, 0x095f1559))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xe39acce5))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(fde_start + 2 * code_factor, 0xe39acce5,
- 0x095f1559))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreRegisterRuleChangedRegister) {
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_register).ULEB128(0xd40e21b1).ULEB128(0x16607d6a)
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_register).ULEB128(0xd40e21b1).ULEB128(0xbabb4742)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, RegisterRule(fde_start, 0xd40e21b1, 0x16607d6a))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(fde_start + code_factor, 0xd40e21b1,
- 0xbabb4742))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, RegisterRule(fde_start + 2 * code_factor, 0xd40e21b1,
- 0x16607d6a))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreExpressionRuleUnchanged) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_expression).ULEB128(0x666ae152).Block("dwarf")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ExpressionRule(fde_start, 0x666ae152, "dwarf"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreExpressionRuleChanged) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_expression).ULEB128(0xb5ca5c46).Block("elf")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0xb5ca5c46)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ExpressionRule(fde_start, 0xb5ca5c46, "elf"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xb5ca5c46))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ExpressionRule(fde_start + 2 * code_factor, 0xb5ca5c46,
- "elf"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreExpressionRuleChangedExpression) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_expression).ULEB128(0x500f5739).Block("smurf")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_expression).ULEB128(0x500f5739).Block("orc")
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ExpressionRule(fde_start, 0x500f5739, "smurf"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ExpressionRule(fde_start + code_factor, 0x500f5739,
- "orc"))
- .InSequence(s).WillOnce(Return(true));
- // Expectations are not wishes.
- EXPECT_CALL(handler, ExpressionRule(fde_start + 2 * code_factor, 0x500f5739,
- "smurf"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValExpressionRuleUnchanged) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_expression).ULEB128(0x666ae152)
- .Block("hideous")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- EXPECT_CALL(handler, ValExpressionRule(fde_start, 0x666ae152, "hideous"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValExpressionRuleChanged) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_expression).ULEB128(0xb5ca5c46)
- .Block("revolting")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_undefined).ULEB128(0xb5ca5c46)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("RestoreValExpressionRuleChanged", section);
-
- EXPECT_CALL(handler, ValExpressionRule(fde_start, 0xb5ca5c46, "revolting"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(fde_start + code_factor, 0xb5ca5c46))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValExpressionRule(fde_start + 2 * code_factor, 0xb5ca5c46,
- "revolting"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-TEST_F(LulDwarfCFIRestore, RestoreValExpressionRuleChangedValExpression) {
- ByteReader reader(ENDIANNESS_LITTLE);
- CFISection section(kLittleEndian, 4);
- StockCIEAndFDE(&section);
- section
- .D8(lul::DW_CFA_val_expression).ULEB128(0x500f5739)
- .Block("repulsive")
- .D8(lul::DW_CFA_remember_state)
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_val_expression).ULEB128(0x500f5739)
- .Block("nauseous")
- .D8(lul::DW_CFA_advance_loc | 1)
- .D8(lul::DW_CFA_restore_state)
- .FinishEntry();
-
- PERHAPS_WRITE_DEBUG_FRAME_FILE("RestoreValExpressionRuleChangedValExpression",
- section);
-
- EXPECT_CALL(handler, ValExpressionRule(fde_start, 0x500f5739, "repulsive"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValExpressionRule(fde_start + code_factor, 0x500f5739,
- "nauseous"))
- .InSequence(s).WillOnce(Return(true));
- // Expectations are not wishes.
- EXPECT_CALL(handler, ValExpressionRule(fde_start + 2 * code_factor, 0x500f5739,
- "repulsive"))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End()).WillOnce(Return(true));
-
- ParseSection(&section, true, &reader);
-}
-
-struct EHFrameFixture: public CFIInsnFixture {
- EHFrameFixture()
- : CFIInsnFixture(), section(kBigEndian, 4, true) {
- encoded_pointer_bases.cfi = 0x7f496cb2;
- encoded_pointer_bases.text = 0x540f67b6;
- encoded_pointer_bases.data = 0xe3eab768;
- section.SetEncodedPointerBases(encoded_pointer_bases);
- }
- CFISection section;
- CFISection::EncodedPointerBases encoded_pointer_bases;
-
- // Parse CFIInsnFixture::ParseSection, but parse the section as
- // .eh_frame data, supplying stock base addresses.
- void ParseEHFrameSection(CFISection *section, bool succeeds = true) {
- EXPECT_TRUE(section->ContainsEHFrame());
- string contents;
- EXPECT_TRUE(section->GetContents(&contents));
- lul::Endianness endianness;
- if (section->endianness() == kBigEndian)
- endianness = ENDIANNESS_BIG;
- else {
- assert(section->endianness() == kLittleEndian);
- endianness = ENDIANNESS_LITTLE;
- }
- ByteReader reader(endianness);
- reader.SetAddressSize(section->AddressSize());
- reader.SetCFIDataBase(encoded_pointer_bases.cfi, contents.data());
- reader.SetTextBase(encoded_pointer_bases.text);
- reader.SetDataBase(encoded_pointer_bases.data);
- CallFrameInfo parser(contents.data(), contents.size(),
- &reader, &handler, &reporter, true);
- if (succeeds)
- EXPECT_TRUE(parser.Start());
- else
- EXPECT_FALSE(parser.Start());
- }
-
-};
-
-class LulDwarfEHFrame: public EHFrameFixture, public Test { };
-
-// A simple CIE, an FDE, and a terminator.
-TEST_F(LulDwarfEHFrame, Terminator) {
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(9968, 2466, 67, 1, "")
- .D8(lul::DW_CFA_def_cfa).ULEB128(3772).ULEB128(1372)
- .FinishEntry()
- .FDEHeader(cie, 0x848037a1, 0x7b30475e)
- .D8(lul::DW_CFA_set_loc).D32(0x17713850)
- .D8(lul::DW_CFA_undefined).ULEB128(5721)
- .FinishEntry()
- .D32(0) // Terminate the sequence.
- // This FDE should be ignored.
- .FDEHeader(cie, 0xf19629fe, 0x439fb09b)
- .FinishEntry();
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.Terminator", section);
-
- EXPECT_CALL(handler, Entry(_, 0x848037a1, 0x7b30475e, 1, "", 67))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(0x848037a1, kCFARegister, 3772, 1372))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(0x17713850, 5721))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(reporter, EarlyEHTerminator(_))
- .InSequence(s).WillOnce(Return());
-
- ParseEHFrameSection(&section);
-}
-
-// The parser should recognize the Linux Standards Base 'z' augmentations.
-TEST_F(LulDwarfEHFrame, SimpleFDE) {
- lul::DwarfPointerEncoding lsda_encoding =
- lul::DwarfPointerEncoding(lul::DW_EH_PE_indirect
- | lul::DW_EH_PE_datarel
- | lul::DW_EH_PE_sdata2);
- lul::DwarfPointerEncoding fde_encoding =
- lul::DwarfPointerEncoding(lul::DW_EH_PE_textrel
- | lul::DW_EH_PE_udata2);
-
- section.SetPointerEncoding(fde_encoding);
- section.SetEncodedPointerBases(encoded_pointer_bases);
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(4873, 7012, 100, 1, "zSLPR")
- .ULEB128(7) // Augmentation data length
- .D8(lsda_encoding) // LSDA pointer format
- .D8(lul::DW_EH_PE_pcrel) // personality pointer format
- .EncodedPointer(0x97baa00, lul::DW_EH_PE_pcrel) // and value
- .D8(fde_encoding) // FDE pointer format
- .D8(lul::DW_CFA_def_cfa).ULEB128(6706).ULEB128(31)
- .FinishEntry()
- .FDEHeader(cie, 0x540f6b56, 0xf686)
- .ULEB128(2) // Augmentation data length
- .EncodedPointer(0xe3eab475, lsda_encoding) // LSDA pointer, signed
- .D8(lul::DW_CFA_set_loc)
- .EncodedPointer(0x540fa4ce, fde_encoding)
- .D8(lul::DW_CFA_undefined).ULEB128(0x675e)
- .FinishEntry()
- .D32(0); // terminator
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.SimpleFDE", section);
-
- EXPECT_CALL(handler, Entry(_, 0x540f6b56, 0xf686, 1, "zSLPR", 100))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, PersonalityRoutine(0x97baa00, false))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, LanguageSpecificDataArea(0xe3eab475, true))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, SignalHandler())
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(0x540f6b56, kCFARegister, 6706, 31))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(0x540fa4ce, 0x675e))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-// Check that we can handle an empty 'z' augmentation.
-TEST_F(LulDwarfEHFrame, EmptyZ) {
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(5955, 5805, 228, 1, "z")
- .ULEB128(0) // Augmentation data length
- .D8(lul::DW_CFA_def_cfa).ULEB128(3629).ULEB128(247)
- .FinishEntry()
- .FDEHeader(cie, 0xda007738, 0xfb55c641)
- .ULEB128(0) // Augmentation data length
- .D8(lul::DW_CFA_advance_loc1).D8(11)
- .D8(lul::DW_CFA_undefined).ULEB128(3769)
- .FinishEntry();
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.EmptyZ", section);
-
- EXPECT_CALL(handler, Entry(_, 0xda007738, 0xfb55c641, 1, "z", 228))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, ValOffsetRule(0xda007738, kCFARegister, 3629, 247))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, UndefinedRule(0xda007738 + 11 * 5955, 3769))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-// Check that we recognize bad 'z' augmentation characters.
-TEST_F(LulDwarfEHFrame, BadZ) {
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(6937, 1045, 142, 1, "zQ")
- .ULEB128(0) // Augmentation data length
- .D8(lul::DW_CFA_def_cfa).ULEB128(9006).ULEB128(7725)
- .FinishEntry()
- .FDEHeader(cie, 0x1293efa8, 0x236f53f2)
- .ULEB128(0) // Augmentation data length
- .D8(lul::DW_CFA_advance_loc | 12)
- .D8(lul::DW_CFA_register).ULEB128(5667).ULEB128(3462)
- .FinishEntry();
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.BadZ", section);
-
- EXPECT_CALL(reporter, UnrecognizedAugmentation(_, "zQ"))
- .WillOnce(Return());
-
- ParseEHFrameSection(&section, false);
-}
-
-TEST_F(LulDwarfEHFrame, zL) {
- Label cie;
- lul::DwarfPointerEncoding lsda_encoding =
- lul::DwarfPointerEncoding(lul::DW_EH_PE_funcrel | lul::DW_EH_PE_udata2);
- section
- .Mark(&cie)
- .CIEHeader(9285, 9959, 54, 1, "zL")
- .ULEB128(1) // Augmentation data length
- .D8(lsda_encoding) // encoding for LSDA pointer in FDE
-
- .FinishEntry()
- .FDEHeader(cie, 0xd40091aa, 0x9aa6e746)
- .ULEB128(2) // Augmentation data length
- .EncodedPointer(0xd40099cd, lsda_encoding) // LSDA pointer
- .FinishEntry()
- .D32(0); // terminator
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zL", section);
-
- EXPECT_CALL(handler, Entry(_, 0xd40091aa, 0x9aa6e746, 1, "zL", 54))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, LanguageSpecificDataArea(0xd40099cd, false))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-TEST_F(LulDwarfEHFrame, zP) {
- Label cie;
- lul::DwarfPointerEncoding personality_encoding =
- lul::DwarfPointerEncoding(lul::DW_EH_PE_datarel | lul::DW_EH_PE_udata2);
- section
- .Mark(&cie)
- .CIEHeader(1097, 6313, 17, 1, "zP")
- .ULEB128(3) // Augmentation data length
- .D8(personality_encoding) // encoding for personality routine
- .EncodedPointer(0xe3eaccac, personality_encoding) // value
- .FinishEntry()
- .FDEHeader(cie, 0x0c8350c9, 0xbef11087)
- .ULEB128(0) // Augmentation data length
- .FinishEntry()
- .D32(0); // terminator
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zP", section);
-
- EXPECT_CALL(handler, Entry(_, 0x0c8350c9, 0xbef11087, 1, "zP", 17))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, PersonalityRoutine(0xe3eaccac, false))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-TEST_F(LulDwarfEHFrame, zR) {
- Label cie;
- lul::DwarfPointerEncoding pointer_encoding =
- lul::DwarfPointerEncoding(lul::DW_EH_PE_textrel | lul::DW_EH_PE_sdata2);
- section.SetPointerEncoding(pointer_encoding);
- section
- .Mark(&cie)
- .CIEHeader(8011, 5496, 75, 1, "zR")
- .ULEB128(1) // Augmentation data length
- .D8(pointer_encoding) // encoding for FDE addresses
- .FinishEntry()
- .FDEHeader(cie, 0x540f9431, 0xbd0)
- .ULEB128(0) // Augmentation data length
- .FinishEntry()
- .D32(0); // terminator
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zR", section);
-
- EXPECT_CALL(handler, Entry(_, 0x540f9431, 0xbd0, 1, "zR", 75))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-TEST_F(LulDwarfEHFrame, zS) {
- Label cie;
- section
- .Mark(&cie)
- .CIEHeader(9217, 7694, 57, 1, "zS")
- .ULEB128(0) // Augmentation data length
- .FinishEntry()
- .FDEHeader(cie, 0xd40091aa, 0x9aa6e746)
- .ULEB128(0) // Augmentation data length
- .FinishEntry()
- .D32(0); // terminator
-
- PERHAPS_WRITE_EH_FRAME_FILE("EHFrame.zS", section);
-
- EXPECT_CALL(handler, Entry(_, 0xd40091aa, 0x9aa6e746, 1, "zS", 57))
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, SignalHandler())
- .InSequence(s).WillOnce(Return(true));
- EXPECT_CALL(handler, End())
- .InSequence(s).WillOnce(Return(true));
-
- ParseEHFrameSection(&section);
-}
-
-// These tests require manual inspection of the test output.
-struct CFIReporterFixture {
- CFIReporterFixture() : reporter(gtest_logging_sink_for_LulTestDwarf,
- "test file name", "test section name") { }
- CallFrameInfo::Reporter reporter;
-};
-
-class LulDwarfCFIReporter: public CFIReporterFixture, public Test { };
-
-TEST_F(LulDwarfCFIReporter, Incomplete) {
- reporter.Incomplete(0x0102030405060708ULL, CallFrameInfo::kUnknown);
-}
-
-TEST_F(LulDwarfCFIReporter, EarlyEHTerminator) {
- reporter.EarlyEHTerminator(0x0102030405060708ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, CIEPointerOutOfRange) {
- reporter.CIEPointerOutOfRange(0x0123456789abcdefULL, 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, BadCIEId) {
- reporter.BadCIEId(0x0123456789abcdefULL, 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, UnrecognizedVersion) {
- reporter.UnrecognizedVersion(0x0123456789abcdefULL, 43);
-}
-
-TEST_F(LulDwarfCFIReporter, UnrecognizedAugmentation) {
- reporter.UnrecognizedAugmentation(0x0123456789abcdefULL, "poodles");
-}
-
-TEST_F(LulDwarfCFIReporter, InvalidPointerEncoding) {
- reporter.InvalidPointerEncoding(0x0123456789abcdefULL, 0x42);
-}
-
-TEST_F(LulDwarfCFIReporter, UnusablePointerEncoding) {
- reporter.UnusablePointerEncoding(0x0123456789abcdefULL, 0x42);
-}
-
-TEST_F(LulDwarfCFIReporter, RestoreInCIE) {
- reporter.RestoreInCIE(0x0123456789abcdefULL, 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, BadInstruction) {
- reporter.BadInstruction(0x0123456789abcdefULL, CallFrameInfo::kFDE,
- 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, NoCFARule) {
- reporter.NoCFARule(0x0123456789abcdefULL, CallFrameInfo::kCIE,
- 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, EmptyStateStack) {
- reporter.EmptyStateStack(0x0123456789abcdefULL, CallFrameInfo::kTerminator,
- 0xfedcba9876543210ULL);
-}
-
-TEST_F(LulDwarfCFIReporter, ClearingCFARule) {
- reporter.ClearingCFARule(0x0123456789abcdefULL, CallFrameInfo::kFDE,
- 0xfedcba9876543210ULL);
-}
-class LulDwarfExpr : public Test { };
-
-class MockSummariser : public Summariser {
-public:
- MockSummariser() : Summariser(nullptr, 0, nullptr) {}
- MOCK_METHOD2(Entry, void(uintptr_t, uintptr_t));
- MOCK_METHOD0(End, void());
- MOCK_METHOD5(Rule, void(uintptr_t, int, LExprHow, int16_t, int64_t));
- MOCK_METHOD1(AddPfxInstr, uint32_t(PfxInstr));
-};
-
-TEST_F(LulDwarfExpr, SimpleTransliteration) {
- MockSummariser summ;
- ByteReader reader(ENDIANNESS_LITTLE);
-
- CFISection section(kLittleEndian, 8);
- section
- .D8(DW_OP_lit0)
- .D8(DW_OP_lit31)
- .D8(DW_OP_breg0 + 17).LEB128(-1234)
- .D8(DW_OP_const4s).D32(0xFEDC9876)
- .D8(DW_OP_deref)
- .D8(DW_OP_and)
- .D8(DW_OP_plus)
- .D8(DW_OP_minus)
- .D8(DW_OP_shl)
- .D8(DW_OP_ge);
- string expr;
- bool ok = section.GetContents(&expr);
- EXPECT_TRUE(ok);
-
- {
- InSequence s;
- // required start marker
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Start, 0)));
- // DW_OP_lit0
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_SImm32, 0)));
- // DW_OP_lit31
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_SImm32, 31)));
- // DW_OP_breg17 -1234
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_DwReg, 17)));
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_SImm32, -1234)));
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Add)));
- // DW_OP_const4s 0xFEDC9876
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_SImm32, 0xFEDC9876)));
- // DW_OP_deref
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Deref)));
- // DW_OP_and
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_And)));
- // DW_OP_plus
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Add)));
- // DW_OP_minus
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Sub)));
- // DW_OP_shl
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Shl)));
- // DW_OP_ge
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_CmpGES)));
- // required end marker
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_End)));
- }
-
- int32_t ix = parseDwarfExpr(&summ, &reader, expr, false, false, false);
- EXPECT_TRUE(ix >= 0);
-}
-
-TEST_F(LulDwarfExpr, UnknownOpcode) {
- MockSummariser summ;
- ByteReader reader(ENDIANNESS_LITTLE);
-
- CFISection section(kLittleEndian, 8);
- section
- .D8(DW_OP_lo_user - 1);
- string expr;
- bool ok = section.GetContents(&expr);
- EXPECT_TRUE(ok);
-
- {
- InSequence s;
- // required start marker
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Start, 0)));
- }
-
- int32_t ix = parseDwarfExpr(&summ, &reader, expr, false, false, false);
- EXPECT_TRUE(ix == -1);
-}
-
-TEST_F(LulDwarfExpr, ExpressionOverrun) {
- MockSummariser summ;
- ByteReader reader(ENDIANNESS_LITTLE);
-
- CFISection section(kLittleEndian, 8);
- section
- .D8(DW_OP_const4s).D8(0x12).D8(0x34).D8(0x56);
- string expr;
- bool ok = section.GetContents(&expr);
- EXPECT_TRUE(ok);
-
- {
- InSequence s;
- // required start marker
- EXPECT_CALL(summ, AddPfxInstr(PfxInstr(PX_Start, 0)));
- // DW_OP_const4s followed by 3 (a.k.a. not enough) bytes
- // We expect PfxInstr(PX_Simm32, not-known-for-sure-32-bit-immediate)
- // Hence must use _ as the argument.
- EXPECT_CALL(summ, AddPfxInstr(_));
- }
-
- int32_t ix = parseDwarfExpr(&summ, &reader, expr, false, false, false);
- EXPECT_TRUE(ix == -1);
-}
-
-// We'll need to mention specific Dwarf registers in the EvaluatePfxExpr tests,
-// and those names are arch-specific, so a bit of macro magic is helpful.
-#if defined(LUL_ARCH_arm)
-# define TESTED_REG_STRUCT_NAME r11
-# define TESTED_REG_DWARF_NAME DW_REG_ARM_R11
-#elif defined(LUL_ARCH_x64) || defined(LUL_ARCH_x86)
-# define TESTED_REG_STRUCT_NAME xbp
-# define TESTED_REG_DWARF_NAME DW_REG_INTEL_XBP
-#else
-# error "Unknown plat"
-#endif
-
-struct EvaluatePfxExprFixture {
- // Creates:
- // initial stack, AVMA 0x12345678, at offset 4 bytes = 0xdeadbeef
- // initial regs, with XBP = 0x14141356
- // initial CFA = 0x5432ABCD
- EvaluatePfxExprFixture() {
- // The test stack.
- si.mStartAvma = 0x12345678;
- si.mLen = 0;
-# define XX(_byte) do { si.mContents[si.mLen++] = (_byte); } while (0)
- XX(0x55); XX(0x55); XX(0x55); XX(0x55);
- if (sizeof(void*) == 8) {
- // le64
- XX(0xEF); XX(0xBE); XX(0xAD); XX(0xDE); XX(0); XX(0); XX(0); XX(0);
- } else {
- // le32
- XX(0xEF); XX(0xBE); XX(0xAD); XX(0xDE);
- }
- XX(0xAA); XX(0xAA); XX(0xAA); XX(0xAA);
-# undef XX
- // The initial CFA.
- initialCFA = TaggedUWord(0x5432ABCD);
- // The initial register state.
- memset(&regs, 0, sizeof(regs));
- regs.TESTED_REG_STRUCT_NAME = TaggedUWord(0x14141356);
- }
-
- StackImage si;
- TaggedUWord initialCFA;
- UnwindRegs regs;
-};
-
-class LulDwarfEvaluatePfxExpr : public EvaluatePfxExprFixture, public Test { };
-
-TEST_F(LulDwarfEvaluatePfxExpr, NormalEvaluation) {
- vector<PfxInstr> instrs;
- // Put some junk at the start of the insn sequence.
- instrs.push_back(PfxInstr(PX_End));
- instrs.push_back(PfxInstr(PX_End));
-
- // Now the real sequence
- // stack is empty
- instrs.push_back(PfxInstr(PX_Start, 1));
- // 0x5432ABCD
- instrs.push_back(PfxInstr(PX_SImm32, 0x31415927));
- // 0x5432ABCD 0x31415927
- instrs.push_back(PfxInstr(PX_DwReg, TESTED_REG_DWARF_NAME));
- // 0x5432ABCD 0x31415927 0x14141356
- instrs.push_back(PfxInstr(PX_SImm32, 42));
- // 0x5432ABCD 0x31415927 0x14141356 42
- instrs.push_back(PfxInstr(PX_Sub));
- // 0x5432ABCD 0x31415927 0x1414132c
- instrs.push_back(PfxInstr(PX_Add));
- // 0x5432ABCD 0x45556c53
- instrs.push_back(PfxInstr(PX_SImm32, si.mStartAvma + 4));
- // 0x5432ABCD 0x45556c53 0x1234567c
- instrs.push_back(PfxInstr(PX_Deref));
- // 0x5432ABCD 0x45556c53 0xdeadbeef
- instrs.push_back(PfxInstr(PX_SImm32, 0xFE01DC23));
- // 0x5432ABCD 0x45556c53 0xdeadbeef 0xFE01DC23
- instrs.push_back(PfxInstr(PX_And));
- // 0x5432ABCD 0x45556c53 0xde019c23
- instrs.push_back(PfxInstr(PX_SImm32, 7));
- // 0x5432ABCD 0x45556c53 0xde019c23 7
- instrs.push_back(PfxInstr(PX_Shl));
- // 0x5432ABCD 0x45556c53 0x6f00ce1180
- instrs.push_back(PfxInstr(PX_SImm32, 0x7fffffff));
- // 0x5432ABCD 0x45556c53 0x6f00ce1180 7fffffff
- instrs.push_back(PfxInstr(PX_And));
- // 0x5432ABCD 0x45556c53 0x00ce1180
- instrs.push_back(PfxInstr(PX_Add));
- // 0x5432ABCD 0x46237dd3
- instrs.push_back(PfxInstr(PX_Sub));
- // 0xe0f2dfa
-
- instrs.push_back(PfxInstr(PX_End));
-
- TaggedUWord res = EvaluatePfxExpr(2/*offset of start insn*/,
- &regs, initialCFA, &si, instrs);
- EXPECT_TRUE(res.Valid());
- EXPECT_TRUE(res.Value() == 0xe0f2dfa);
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, EmptySequence) {
- vector<PfxInstr> instrs;
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_FALSE(res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, BogusStartPoint) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_SImm32, 42));
- instrs.push_back(PfxInstr(PX_SImm32, 24));
- instrs.push_back(PfxInstr(PX_SImm32, 4224));
- TaggedUWord res = EvaluatePfxExpr(1, &regs, initialCFA, &si, instrs);
- EXPECT_FALSE(res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, MissingEndMarker) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- instrs.push_back(PfxInstr(PX_SImm32, 24));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_FALSE(res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, StackUnderflow) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- instrs.push_back(PfxInstr(PX_End));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_FALSE(res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, StackNoUnderflow) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 1/*push the initial CFA*/));
- instrs.push_back(PfxInstr(PX_End));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_TRUE(res.Valid());
- EXPECT_TRUE(res == initialCFA);
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, StackOverflow) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- for (int i = 0; i < 10+1; i++) {
- instrs.push_back(PfxInstr(PX_SImm32, i + 100));
- }
- instrs.push_back(PfxInstr(PX_End));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_FALSE(res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, StackNoOverflow) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- for (int i = 0; i < 10+0; i++) {
- instrs.push_back(PfxInstr(PX_SImm32, i + 100));
- }
- instrs.push_back(PfxInstr(PX_End));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_TRUE(res.Valid());
- EXPECT_TRUE(res == TaggedUWord(109));
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, OutOfRangeShl) {
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- instrs.push_back(PfxInstr(PX_SImm32, 1234));
- instrs.push_back(PfxInstr(PX_SImm32, 5678));
- instrs.push_back(PfxInstr(PX_Shl));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_TRUE(!res.Valid());
-}
-
-TEST_F(LulDwarfEvaluatePfxExpr, TestCmpGES) {
- const int32_t argsL[6] = { 0, 0, 1, -2, -1, -2 };
- const int32_t argsR[6] = { 0, 1, 0, -2, -2, -1 };
- // expecting: t f t t t f = 101110 = 0x2E
- vector<PfxInstr> instrs;
- instrs.push_back(PfxInstr(PX_Start, 0));
- // The "running total"
- instrs.push_back(PfxInstr(PX_SImm32, 0));
- for (unsigned int i = 0; i < sizeof(argsL)/sizeof(argsL[0]); i++) {
- // Shift the "running total" at the bottom of the stack left by one bit
- instrs.push_back(PfxInstr(PX_SImm32, 1));
- instrs.push_back(PfxInstr(PX_Shl));
- // Push both test args and do the comparison
- instrs.push_back(PfxInstr(PX_SImm32, argsL[i]));
- instrs.push_back(PfxInstr(PX_SImm32, argsR[i]));
- instrs.push_back(PfxInstr(PX_CmpGES));
- // Or the result into the running total
- instrs.push_back(PfxInstr(PX_Or));
- }
- instrs.push_back(PfxInstr(PX_End));
- TaggedUWord res = EvaluatePfxExpr(0, &regs, initialCFA, &si, instrs);
- EXPECT_TRUE(res.Valid());
- EXPECT_TRUE(res == TaggedUWord(0x2E));
-}
-
-} // namespace lul
diff --git a/tools/profiler/tests/gtest/LulTestInfrastructure.cpp b/tools/profiler/tests/gtest/LulTestInfrastructure.cpp
deleted file mode 100644
index ba8e2e41e..000000000
--- a/tools/profiler/tests/gtest/LulTestInfrastructure.cpp
+++ /dev/null
@@ -1,491 +0,0 @@
-// 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>
-
-// Derived from:
-// test_assembler.cc: Implementation of google_breakpad::TestAssembler.
-// See test_assembler.h for details.
-
-// Derived from:
-// cfi_assembler.cc: Implementation of google_breakpad::CFISection class.
-// See cfi_assembler.h for details.
-
-#include "LulTestInfrastructure.h"
-
-namespace lul_test {
-namespace test_assembler {
-
-using std::back_insert_iterator;
-
-Label::Label() : value_(new Binding()) { }
-Label::Label(uint64_t value) : value_(new Binding(value)) { }
-Label::Label(const Label &label) {
- value_ = label.value_;
- value_->Acquire();
-}
-Label::~Label() {
- if (value_->Release()) delete value_;
-}
-
-Label &Label::operator=(uint64_t value) {
- value_->Set(NULL, value);
- return *this;
-}
-
-Label &Label::operator=(const Label &label) {
- value_->Set(label.value_, 0);
- return *this;
-}
-
-Label Label::operator+(uint64_t addend) const {
- Label l;
- l.value_->Set(this->value_, addend);
- return l;
-}
-
-Label Label::operator-(uint64_t subtrahend) const {
- Label l;
- l.value_->Set(this->value_, -subtrahend);
- return l;
-}
-
-// When NDEBUG is #defined, assert doesn't evaluate its argument. This
-// means you can't simply use assert to check the return value of a
-// function with necessary side effects.
-//
-// ALWAYS_EVALUATE_AND_ASSERT(x) evaluates x regardless of whether
-// NDEBUG is #defined; when NDEBUG is not #defined, it further asserts
-// that x is true.
-#ifdef NDEBUG
-#define ALWAYS_EVALUATE_AND_ASSERT(x) x
-#else
-#define ALWAYS_EVALUATE_AND_ASSERT(x) assert(x)
-#endif
-
-uint64_t Label::operator-(const Label &label) const {
- uint64_t offset;
- ALWAYS_EVALUATE_AND_ASSERT(IsKnownOffsetFrom(label, &offset));
- return offset;
-}
-
-bool Label::IsKnownConstant(uint64_t *value_p) const {
- Binding *base;
- uint64_t addend;
- value_->Get(&base, &addend);
- if (base != NULL) return false;
- if (value_p) *value_p = addend;
- return true;
-}
-
-bool Label::IsKnownOffsetFrom(const Label &label, uint64_t *offset_p) const
-{
- Binding *label_base, *this_base;
- uint64_t label_addend, this_addend;
- label.value_->Get(&label_base, &label_addend);
- value_->Get(&this_base, &this_addend);
- // If this and label are related, Get will find their final
- // common ancestor, regardless of how indirect the relation is. This
- // comparison also handles the constant vs. constant case.
- if (this_base != label_base) return false;
- if (offset_p) *offset_p = this_addend - label_addend;
- return true;
-}
-
-Label::Binding::Binding() : base_(this), addend_(), reference_count_(1) { }
-
-Label::Binding::Binding(uint64_t addend)
- : base_(NULL), addend_(addend), reference_count_(1) { }
-
-Label::Binding::~Binding() {
- assert(reference_count_ == 0);
- if (base_ && base_ != this && base_->Release())
- delete base_;
-}
-
-void Label::Binding::Set(Binding *binding, uint64_t addend) {
- if (!base_ && !binding) {
- // We're equating two constants. This could be okay.
- assert(addend_ == addend);
- } else if (!base_) {
- // We are a known constant, but BINDING may not be, so turn the
- // tables and try to set BINDING's value instead.
- binding->Set(NULL, addend_ - addend);
- } else {
- if (binding) {
- // Find binding's final value. Since the final value is always either
- // completely unconstrained or a constant, never a reference to
- // another variable (otherwise, it wouldn't be final), this
- // guarantees we won't create cycles here, even for code like this:
- // l = m, m = n, n = l;
- uint64_t binding_addend;
- binding->Get(&binding, &binding_addend);
- addend += binding_addend;
- }
-
- // It seems likely that setting a binding to itself is a bug
- // (although I can imagine this might turn out to be helpful to
- // permit).
- assert(binding != this);
-
- if (base_ != this) {
- // Set the other bindings on our chain as well. Note that this
- // is sufficient even though binding relationships form trees:
- // All binding operations traverse their chains to the end, and
- // all bindings related to us share some tail of our chain, so
- // they will see the changes we make here.
- base_->Set(binding, addend - addend_);
- // We're not going to use base_ any more.
- if (base_->Release()) delete base_;
- }
-
- // Adopt BINDING as our base. Note that it should be correct to
- // acquire here, after the release above, even though the usual
- // reference-counting rules call for acquiring first, and then
- // releasing: the self-reference assertion above should have
- // complained if BINDING were 'this' or anywhere along our chain,
- // so we didn't release BINDING.
- if (binding) binding->Acquire();
- base_ = binding;
- addend_ = addend;
- }
-}
-
-void Label::Binding::Get(Binding **base, uint64_t *addend) {
- if (base_ && base_ != this) {
- // Recurse to find the end of our reference chain (the root of our
- // tree), and then rewrite every binding along the chain to refer
- // to it directly, adjusting addends appropriately. (This is why
- // this member function isn't this-const.)
- Binding *final_base;
- uint64_t final_addend;
- base_->Get(&final_base, &final_addend);
- if (final_base) final_base->Acquire();
- if (base_->Release()) delete base_;
- base_ = final_base;
- addend_ += final_addend;
- }
- *base = base_;
- *addend = addend_;
-}
-
-template<typename Inserter>
-static inline void InsertEndian(test_assembler::Endianness endianness,
- size_t size, uint64_t number, Inserter dest) {
- assert(size > 0);
- if (endianness == kLittleEndian) {
- for (size_t i = 0; i < size; i++) {
- *dest++ = (char) (number & 0xff);
- number >>= 8;
- }
- } else {
- assert(endianness == kBigEndian);
- // The loop condition is odd, but it's correct for size_t.
- for (size_t i = size - 1; i < size; i--)
- *dest++ = (char) ((number >> (i * 8)) & 0xff);
- }
-}
-
-Section &Section::Append(Endianness endianness, size_t size, uint64_t number) {
- InsertEndian(endianness, size, number,
- back_insert_iterator<string>(contents_));
- return *this;
-}
-
-Section &Section::Append(Endianness endianness, size_t size,
- const Label &label) {
- // If this label's value is known, there's no reason to waste an
- // entry in references_ on it.
- uint64_t value;
- if (label.IsKnownConstant(&value))
- return Append(endianness, size, value);
-
- // This will get caught when the references are resolved, but it's
- // nicer to find out earlier.
- assert(endianness != kUnsetEndian);
-
- references_.push_back(Reference(contents_.size(), endianness, size, label));
- contents_.append(size, 0);
- return *this;
-}
-
-#define ENDIANNESS_L kLittleEndian
-#define ENDIANNESS_B kBigEndian
-#define ENDIANNESS(e) ENDIANNESS_ ## e
-
-#define DEFINE_SHORT_APPEND_NUMBER_ENDIAN(e, bits) \
- Section &Section::e ## bits(uint ## bits ## _t v) { \
- InsertEndian(ENDIANNESS(e), bits / 8, v, \
- back_insert_iterator<string>(contents_)); \
- return *this; \
- }
-
-#define DEFINE_SHORT_APPEND_LABEL_ENDIAN(e, bits) \
- Section &Section::e ## bits(const Label &v) { \
- return Append(ENDIANNESS(e), bits / 8, v); \
- }
-
-// Define L16, B32, and friends.
-#define DEFINE_SHORT_APPEND_ENDIAN(e, bits) \
- DEFINE_SHORT_APPEND_NUMBER_ENDIAN(e, bits) \
- DEFINE_SHORT_APPEND_LABEL_ENDIAN(e, bits)
-
-DEFINE_SHORT_APPEND_LABEL_ENDIAN(L, 8);
-DEFINE_SHORT_APPEND_LABEL_ENDIAN(B, 8);
-DEFINE_SHORT_APPEND_ENDIAN(L, 16);
-DEFINE_SHORT_APPEND_ENDIAN(L, 32);
-DEFINE_SHORT_APPEND_ENDIAN(L, 64);
-DEFINE_SHORT_APPEND_ENDIAN(B, 16);
-DEFINE_SHORT_APPEND_ENDIAN(B, 32);
-DEFINE_SHORT_APPEND_ENDIAN(B, 64);
-
-#define DEFINE_SHORT_APPEND_NUMBER_DEFAULT(bits) \
- Section &Section::D ## bits(uint ## bits ## _t v) { \
- InsertEndian(endianness_, bits / 8, v, \
- back_insert_iterator<string>(contents_)); \
- return *this; \
- }
-#define DEFINE_SHORT_APPEND_LABEL_DEFAULT(bits) \
- Section &Section::D ## bits(const Label &v) { \
- return Append(endianness_, bits / 8, v); \
- }
-#define DEFINE_SHORT_APPEND_DEFAULT(bits) \
- DEFINE_SHORT_APPEND_NUMBER_DEFAULT(bits) \
- DEFINE_SHORT_APPEND_LABEL_DEFAULT(bits)
-
-DEFINE_SHORT_APPEND_LABEL_DEFAULT(8)
-DEFINE_SHORT_APPEND_DEFAULT(16);
-DEFINE_SHORT_APPEND_DEFAULT(32);
-DEFINE_SHORT_APPEND_DEFAULT(64);
-
-Section &Section::LEB128(long long value) {
- while (value < -0x40 || 0x3f < value) {
- contents_ += (value & 0x7f) | 0x80;
- if (value < 0)
- value = (value >> 7) | ~(((unsigned long long) -1) >> 7);
- else
- value = (value >> 7);
- }
- contents_ += value & 0x7f;
- return *this;
-}
-
-Section &Section::ULEB128(uint64_t value) {
- while (value > 0x7f) {
- contents_ += (value & 0x7f) | 0x80;
- value = (value >> 7);
- }
- contents_ += value;
- return *this;
-}
-
-Section &Section::Align(size_t alignment, uint8_t pad_byte) {
- // ALIGNMENT must be a power of two.
- assert(((alignment - 1) & alignment) == 0);
- size_t new_size = (contents_.size() + alignment - 1) & ~(alignment - 1);
- contents_.append(new_size - contents_.size(), pad_byte);
- assert((contents_.size() & (alignment - 1)) == 0);
- return *this;
-}
-
-bool Section::GetContents(string *contents) {
- // For each label reference, find the label's value, and patch it into
- // the section's contents.
- for (size_t i = 0; i < references_.size(); i++) {
- Reference &r = references_[i];
- uint64_t value;
- if (!r.label.IsKnownConstant(&value)) {
- fprintf(stderr, "Undefined label #%zu at offset 0x%zx\n", i, r.offset);
- return false;
- }
- assert(r.offset < contents_.size());
- assert(contents_.size() - r.offset >= r.size);
- InsertEndian(r.endianness, r.size, value, contents_.begin() + r.offset);
- }
- contents->clear();
- std::swap(contents_, *contents);
- references_.clear();
- return true;
-}
-
-} // namespace test_assembler
-} // namespace lul_test
-
-
-namespace lul_test {
-
-CFISection &CFISection::CIEHeader(uint64_t code_alignment_factor,
- int data_alignment_factor,
- unsigned return_address_register,
- uint8_t version,
- const string &augmentation,
- bool dwarf64) {
- assert(!entry_length_);
- entry_length_ = new PendingLength();
- in_fde_ = false;
-
- if (dwarf64) {
- D32(kDwarf64InitialLengthMarker);
- D64(entry_length_->length);
- entry_length_->start = Here();
- D64(eh_frame_ ? kEHFrame64CIEIdentifier : kDwarf64CIEIdentifier);
- } else {
- D32(entry_length_->length);
- entry_length_->start = Here();
- D32(eh_frame_ ? kEHFrame32CIEIdentifier : kDwarf32CIEIdentifier);
- }
- D8(version);
- AppendCString(augmentation);
- ULEB128(code_alignment_factor);
- LEB128(data_alignment_factor);
- if (version == 1)
- D8(return_address_register);
- else
- ULEB128(return_address_register);
- return *this;
-}
-
-CFISection &CFISection::FDEHeader(Label cie_pointer,
- uint64_t initial_location,
- uint64_t address_range,
- bool dwarf64) {
- assert(!entry_length_);
- entry_length_ = new PendingLength();
- in_fde_ = true;
- fde_start_address_ = initial_location;
-
- if (dwarf64) {
- D32(0xffffffff);
- D64(entry_length_->length);
- entry_length_->start = Here();
- if (eh_frame_)
- D64(Here() - cie_pointer);
- else
- D64(cie_pointer);
- } else {
- D32(entry_length_->length);
- entry_length_->start = Here();
- if (eh_frame_)
- D32(Here() - cie_pointer);
- else
- D32(cie_pointer);
- }
- EncodedPointer(initial_location);
- // The FDE length in an .eh_frame section uses the same encoding as the
- // initial location, but ignores the base address (selected by the upper
- // nybble of the encoding), as it's a length, not an address that can be
- // made relative.
- EncodedPointer(address_range,
- DwarfPointerEncoding(pointer_encoding_ & 0x0f));
- return *this;
-}
-
-CFISection &CFISection::FinishEntry() {
- assert(entry_length_);
- Align(address_size_, lul::DW_CFA_nop);
- entry_length_->length = Here() - entry_length_->start;
- delete entry_length_;
- entry_length_ = NULL;
- in_fde_ = false;
- return *this;
-}
-
-CFISection &CFISection::EncodedPointer(uint64_t address,
- DwarfPointerEncoding encoding,
- const EncodedPointerBases &bases) {
- // Omitted data is extremely easy to emit.
- if (encoding == lul::DW_EH_PE_omit)
- return *this;
-
- // If (encoding & lul::DW_EH_PE_indirect) != 0, then we assume
- // that ADDRESS is the address at which the pointer is stored --- in
- // other words, that bit has no effect on how we write the pointer.
- encoding = DwarfPointerEncoding(encoding & ~lul::DW_EH_PE_indirect);
-
- // Find the base address to which this pointer is relative. The upper
- // nybble of the encoding specifies this.
- uint64_t base;
- switch (encoding & 0xf0) {
- case lul::DW_EH_PE_absptr: base = 0; break;
- case lul::DW_EH_PE_pcrel: base = bases.cfi + Size(); break;
- case lul::DW_EH_PE_textrel: base = bases.text; break;
- case lul::DW_EH_PE_datarel: base = bases.data; break;
- case lul::DW_EH_PE_funcrel: base = fde_start_address_; break;
- case lul::DW_EH_PE_aligned: base = 0; break;
- default: abort();
- };
-
- // Make ADDRESS relative. Yes, this is appropriate even for "absptr"
- // values; see gcc/unwind-pe.h.
- address -= base;
-
- // Align the pointer, if required.
- if ((encoding & 0xf0) == lul::DW_EH_PE_aligned)
- Align(AddressSize());
-
- // Append ADDRESS to this section in the appropriate form. For the
- // fixed-width forms, we don't need to differentiate between signed and
- // unsigned encodings, because ADDRESS has already been extended to 64
- // bits before it was passed to us.
- switch (encoding & 0x0f) {
- case lul::DW_EH_PE_absptr:
- Address(address);
- break;
-
- case lul::DW_EH_PE_uleb128:
- ULEB128(address);
- break;
-
- case lul::DW_EH_PE_sleb128:
- LEB128(address);
- break;
-
- case lul::DW_EH_PE_udata2:
- case lul::DW_EH_PE_sdata2:
- D16(address);
- break;
-
- case lul::DW_EH_PE_udata4:
- case lul::DW_EH_PE_sdata4:
- D32(address);
- break;
-
- case lul::DW_EH_PE_udata8:
- case lul::DW_EH_PE_sdata8:
- D64(address);
- break;
-
- default:
- abort();
- }
-
- return *this;
-};
-
-} // namespace lul_test
diff --git a/tools/profiler/tests/gtest/LulTestInfrastructure.h b/tools/profiler/tests/gtest/LulTestInfrastructure.h
deleted file mode 100644
index 37b1b7d49..000000000
--- a/tools/profiler/tests/gtest/LulTestInfrastructure.h
+++ /dev/null
@@ -1,666 +0,0 @@
-// -*- mode: C++ -*-
-
-// 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>
-
-// Derived from:
-// cfi_assembler.h: Define CFISection, a class for creating properly
-// (and improperly) formatted DWARF CFI data for unit tests.
-
-// Derived from:
-// test-assembler.h: interface to class for building complex binary streams.
-
-// To test the Breakpad symbol dumper and processor thoroughly, for
-// all combinations of host system and minidump processor
-// architecture, we need to be able to easily generate complex test
-// data like debugging information and minidump files.
-//
-// For example, if we want our unit tests to provide full code
-// coverage for stack walking, it may be difficult to persuade the
-// compiler to generate every possible sort of stack walking
-// information that we want to support; there are probably DWARF CFI
-// opcodes that GCC never emits. Similarly, if we want to test our
-// error handling, we will need to generate damaged minidumps or
-// debugging information that (we hope) the client or compiler will
-// never produce on its own.
-//
-// google_breakpad::TestAssembler provides a predictable and
-// (relatively) simple way to generate complex formatted data streams
-// like minidumps and CFI. Furthermore, because TestAssembler is
-// portable, developers without access to (say) Visual Studio or a
-// SPARC assembler can still work on test data for those targets.
-
-#ifndef LUL_TEST_INFRASTRUCTURE_H
-#define LUL_TEST_INFRASTRUCTURE_H
-
-#include <string>
-#include <vector>
-
-using std::string;
-using std::vector;
-
-namespace lul_test {
-namespace test_assembler {
-
-// A Label represents a value not yet known that we need to store in a
-// section. As long as all the labels a section refers to are defined
-// by the time we retrieve its contents as bytes, we can use undefined
-// labels freely in that section's construction.
-//
-// A label can be in one of three states:
-// - undefined,
-// - defined as the sum of some other label and a constant, or
-// - a constant.
-//
-// A label's value never changes, but it can accumulate constraints.
-// Adding labels and integers is permitted, and yields a label.
-// Subtracting a constant from a label is permitted, and also yields a
-// label. Subtracting two labels that have some relationship to each
-// other is permitted, and yields a constant.
-//
-// For example:
-//
-// Label a; // a's value is undefined
-// Label b; // b's value is undefined
-// {
-// Label c = a + 4; // okay, even though a's value is unknown
-// b = c + 4; // also okay; b is now a+8
-// }
-// Label d = b - 2; // okay; d == a+6, even though c is gone
-// d.Value(); // error: d's value is not yet known
-// d - a; // is 6, even though their values are not known
-// a = 12; // now b == 20, and d == 18
-// d.Value(); // 18: no longer an error
-// b.Value(); // 20
-// d = 10; // error: d is already defined.
-//
-// Label objects' lifetimes are unconstrained: notice that, in the
-// above example, even though a and b are only related through c, and
-// c goes out of scope, the assignment to a sets b's value as well. In
-// particular, it's not necessary to ensure that a Label lives beyond
-// Sections that refer to it.
-class Label {
- public:
- Label(); // An undefined label.
- explicit Label(uint64_t value); // A label with a fixed value
- Label(const Label &value); // A label equal to another.
- ~Label();
-
- Label &operator=(uint64_t value);
- Label &operator=(const Label &value);
- Label operator+(uint64_t addend) const;
- Label operator-(uint64_t subtrahend) const;
- uint64_t operator-(const Label &subtrahend) const;
-
- // We could also provide == and != that work on undefined, but
- // related, labels.
-
- // Return true if this label's value is known. If VALUE_P is given,
- // set *VALUE_P to the known value if returning true.
- bool IsKnownConstant(uint64_t *value_p = NULL) const;
-
- // Return true if the offset from LABEL to this label is known. If
- // OFFSET_P is given, set *OFFSET_P to the offset when returning true.
- //
- // You can think of l.KnownOffsetFrom(m, &d) as being like 'd = l-m',
- // except that it also returns a value indicating whether the
- // subtraction is possible given what we currently know of l and m.
- // It can be possible even if we don't know l and m's values. For
- // example:
- //
- // Label l, m;
- // m = l + 10;
- // l.IsKnownConstant(); // false
- // m.IsKnownConstant(); // false
- // uint64_t d;
- // l.IsKnownOffsetFrom(m, &d); // true, and sets d to -10.
- // l-m // -10
- // m-l // 10
- // m.Value() // error: m's value is not known
- bool IsKnownOffsetFrom(const Label &label, uint64_t *offset_p = NULL) const;
-
- private:
- // A label's value, or if that is not yet known, how the value is
- // related to other labels' values. A binding may be:
- // - a known constant,
- // - constrained to be equal to some other binding plus a constant, or
- // - unconstrained, and free to take on any value.
- //
- // Many labels may point to a single binding, and each binding may
- // refer to another, so bindings and labels form trees whose leaves
- // are labels, whose interior nodes (and roots) are bindings, and
- // where links point from children to parents. Bindings are
- // reference counted, allowing labels to be lightweight, copyable,
- // assignable, placed in containers, and so on.
- class Binding {
- public:
- Binding();
- explicit Binding(uint64_t addend);
- ~Binding();
-
- // Increment our reference count.
- void Acquire() { reference_count_++; };
- // Decrement our reference count, and return true if it is zero.
- bool Release() { return --reference_count_ == 0; }
-
- // Set this binding to be equal to BINDING + ADDEND. If BINDING is
- // NULL, then set this binding to the known constant ADDEND.
- // Update every binding on this binding's chain to point directly
- // to BINDING, or to be a constant, with addends adjusted
- // appropriately.
- void Set(Binding *binding, uint64_t value);
-
- // Return what we know about the value of this binding.
- // - If this binding's value is a known constant, set BASE to
- // NULL, and set ADDEND to its value.
- // - If this binding is not a known constant but related to other
- // bindings, set BASE to the binding at the end of the relation
- // chain (which will always be unconstrained), and set ADDEND to the
- // value to add to that binding's value to get this binding's
- // value.
- // - If this binding is unconstrained, set BASE to this, and leave
- // ADDEND unchanged.
- void Get(Binding **base, uint64_t *addend);
-
- private:
- // There are three cases:
- //
- // - A binding representing a known constant value has base_ NULL,
- // and addend_ equal to the value.
- //
- // - A binding representing a completely unconstrained value has
- // base_ pointing to this; addend_ is unused.
- //
- // - A binding whose value is related to some other binding's
- // value has base_ pointing to that other binding, and addend_
- // set to the amount to add to that binding's value to get this
- // binding's value. We only represent relationships of the form
- // x = y+c.
- //
- // Thus, the bind_ links form a chain terminating in either a
- // known constant value or a completely unconstrained value. Most
- // operations on bindings do path compression: they change every
- // binding on the chain to point directly to the final value,
- // adjusting addends as appropriate.
- Binding *base_;
- uint64_t addend_;
-
- // The number of Labels and Bindings pointing to this binding.
- // (When a binding points to itself, indicating a completely
- // unconstrained binding, that doesn't count as a reference.)
- int reference_count_;
- };
-
- // This label's value.
- Binding *value_;
-};
-
-// Conventions for representing larger numbers as sequences of bytes.
-enum Endianness {
- kBigEndian, // Big-endian: the most significant byte comes first.
- kLittleEndian, // Little-endian: the least significant byte comes first.
- kUnsetEndian, // used internally
-};
-
-// A section is a sequence of bytes, constructed by appending bytes
-// to the end. Sections have a convenient and flexible set of member
-// functions for appending data in various formats: big-endian and
-// little-endian signed and unsigned values of different sizes;
-// LEB128 and ULEB128 values (see below), and raw blocks of bytes.
-//
-// If you need to append a value to a section that is not convenient
-// to compute immediately, you can create a label, append the
-// label's value to the section, and then set the label's value
-// later, when it's convenient to do so. Once a label's value is
-// known, the section class takes care of updating all previously
-// appended references to it.
-//
-// Once all the labels to which a section refers have had their
-// values determined, you can get a copy of the section's contents
-// as a string.
-//
-// Note that there is no specified "start of section" label. This is
-// because there are typically several different meanings for "the
-// start of a section": the offset of the section within an object
-// file, the address in memory at which the section's content appear,
-// and so on. It's up to the code that uses the Section class to
-// keep track of these explicitly, as they depend on the application.
-class Section {
- public:
- explicit Section(Endianness endianness = kUnsetEndian)
- : endianness_(endianness) { };
-
- // A base class destructor should be either public and virtual,
- // or protected and nonvirtual.
- virtual ~Section() { };
-
- // Return the default endianness of this section.
- Endianness endianness() const { return endianness_; }
-
- // Append the SIZE bytes at DATA to the end of this section. Return
- // a reference to this section.
- Section &Append(const string &data) {
- contents_.append(data);
- return *this;
- };
-
- // Append SIZE copies of BYTE to the end of this section. Return a
- // reference to this section.
- Section &Append(size_t size, uint8_t byte) {
- contents_.append(size, (char) byte);
- return *this;
- }
-
- // Append NUMBER to this section. ENDIANNESS is the endianness to
- // use to write the number. SIZE is the length of the number in
- // bytes. Return a reference to this section.
- Section &Append(Endianness endianness, size_t size, uint64_t number);
- Section &Append(Endianness endianness, size_t size, const Label &label);
-
- // Append SECTION to the end of this section. The labels SECTION
- // refers to need not be defined yet.
- //
- // Note that this has no effect on any Labels' values, or on
- // SECTION. If placing SECTION within 'this' provides new
- // constraints on existing labels' values, then it's up to the
- // caller to fiddle with those labels as needed.
- Section &Append(const Section &section);
-
- // Append the contents of DATA as a series of bytes terminated by
- // a NULL character.
- Section &AppendCString(const string &data) {
- Append(data);
- contents_ += '\0';
- return *this;
- }
-
- // Append VALUE or LABEL to this section, with the given bit width and
- // endianness. Return a reference to this section.
- //
- // The names of these functions have the form <ENDIANNESS><BITWIDTH>:
- // <ENDIANNESS> is either 'L' (little-endian, least significant byte first),
- // 'B' (big-endian, most significant byte first), or
- // 'D' (default, the section's default endianness)
- // <BITWIDTH> is 8, 16, 32, or 64.
- //
- // Since endianness doesn't matter for a single byte, all the
- // <BITWIDTH>=8 functions are equivalent.
- //
- // These can be used to write both signed and unsigned values, as
- // the compiler will properly sign-extend a signed value before
- // passing it to the function, at which point the function's
- // behavior is the same either way.
- Section &L8(uint8_t value) { contents_ += value; return *this; }
- Section &B8(uint8_t value) { contents_ += value; return *this; }
- Section &D8(uint8_t value) { contents_ += value; return *this; }
- Section &L16(uint16_t), &L32(uint32_t), &L64(uint64_t),
- &B16(uint16_t), &B32(uint32_t), &B64(uint64_t),
- &D16(uint16_t), &D32(uint32_t), &D64(uint64_t);
- Section &L8(const Label &label), &L16(const Label &label),
- &L32(const Label &label), &L64(const Label &label),
- &B8(const Label &label), &B16(const Label &label),
- &B32(const Label &label), &B64(const Label &label),
- &D8(const Label &label), &D16(const Label &label),
- &D32(const Label &label), &D64(const Label &label);
-
- // Append VALUE in a signed LEB128 (Little-Endian Base 128) form.
- //
- // The signed LEB128 representation of an integer N is a variable
- // number of bytes:
- //
- // - If N is between -0x40 and 0x3f, then its signed LEB128
- // representation is a single byte whose value is N.
- //
- // - Otherwise, its signed LEB128 representation is (N & 0x7f) |
- // 0x80, followed by the signed LEB128 representation of N / 128,
- // rounded towards negative infinity.
- //
- // In other words, we break VALUE into groups of seven bits, put
- // them in little-endian order, and then write them as eight-bit
- // bytes with the high bit on all but the last.
- //
- // Note that VALUE cannot be a Label (we would have to implement
- // relaxation).
- Section &LEB128(long long value);
-
- // Append VALUE in unsigned LEB128 (Little-Endian Base 128) form.
- //
- // The unsigned LEB128 representation of an integer N is a variable
- // number of bytes:
- //
- // - If N is between 0 and 0x7f, then its unsigned LEB128
- // representation is a single byte whose value is N.
- //
- // - Otherwise, its unsigned LEB128 representation is (N & 0x7f) |
- // 0x80, followed by the unsigned LEB128 representation of N /
- // 128, rounded towards negative infinity.
- //
- // Note that VALUE cannot be a Label (we would have to implement
- // relaxation).
- Section &ULEB128(uint64_t value);
-
- // Jump to the next location aligned on an ALIGNMENT-byte boundary,
- // relative to the start of the section. Fill the gap with PAD_BYTE.
- // ALIGNMENT must be a power of two. Return a reference to this
- // section.
- Section &Align(size_t alignment, uint8_t pad_byte = 0);
-
- // Return the current size of the section.
- size_t Size() const { return contents_.size(); }
-
- // Return a label representing the start of the section.
- //
- // It is up to the user whether this label represents the section's
- // position in an object file, the section's address in memory, or
- // what have you; some applications may need both, in which case
- // this simple-minded interface won't be enough. This class only
- // provides a single start label, for use with the Here and Mark
- // member functions.
- //
- // Ideally, we'd provide this in a subclass that actually knows more
- // about the application at hand and can provide an appropriate
- // collection of start labels. But then the appending member
- // functions like Append and D32 would return a reference to the
- // base class, not the derived class, and the chaining won't work.
- // Since the only value here is in pretty notation, that's a fatal
- // flaw.
- Label start() const { return start_; }
-
- // Return a label representing the point at which the next Appended
- // item will appear in the section, relative to start().
- Label Here() const { return start_ + Size(); }
-
- // Set *LABEL to Here, and return a reference to this section.
- Section &Mark(Label *label) { *label = Here(); return *this; }
-
- // If there are no undefined label references left in this
- // section, set CONTENTS to the contents of this section, as a
- // string, and clear this section. Return true on success, or false
- // if there were still undefined labels.
- bool GetContents(string *contents);
-
- private:
- // Used internally. A reference to a label's value.
- struct Reference {
- Reference(size_t set_offset, Endianness set_endianness, size_t set_size,
- const Label &set_label)
- : offset(set_offset), endianness(set_endianness), size(set_size),
- label(set_label) { }
-
- // The offset of the reference within the section.
- size_t offset;
-
- // The endianness of the reference.
- Endianness endianness;
-
- // The size of the reference.
- size_t size;
-
- // The label to which this is a reference.
- Label label;
- };
-
- // The default endianness of this section.
- Endianness endianness_;
-
- // The contents of the section.
- string contents_;
-
- // References to labels within those contents.
- vector<Reference> references_;
-
- // A label referring to the beginning of the section.
- Label start_;
-};
-
-} // namespace test_assembler
-} // namespace lul_test
-
-
-namespace lul_test {
-
-using lul::DwarfPointerEncoding;
-using lul_test::test_assembler::Endianness;
-using lul_test::test_assembler::Label;
-using lul_test::test_assembler::Section;
-
-class CFISection: public Section {
- public:
-
- // CFI augmentation strings beginning with 'z', defined by the
- // Linux/IA-64 C++ ABI, can specify interesting encodings for
- // addresses appearing in FDE headers and call frame instructions (and
- // for additional fields whose presence the augmentation string
- // specifies). In particular, pointers can be specified to be relative
- // to various base address: the start of the .text section, the
- // location holding the address itself, and so on. These allow the
- // frame data to be position-independent even when they live in
- // write-protected pages. These variants are specified at the
- // following two URLs:
- //
- // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html
- // http://refspecs.linux-foundation.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html
- //
- // CFISection leaves the production of well-formed 'z'-augmented CIEs and
- // FDEs to the user, but does provide EncodedPointer, to emit
- // properly-encoded addresses for a given pointer encoding.
- // EncodedPointer uses an instance of this structure to find the base
- // addresses it should use; you can establish a default for all encoded
- // pointers appended to this section with SetEncodedPointerBases.
- struct EncodedPointerBases {
- EncodedPointerBases() : cfi(), text(), data() { }
-
- // The starting address of this CFI section in memory, for
- // DW_EH_PE_pcrel. DW_EH_PE_pcrel pointers may only be used in data
- // that has is loaded into the program's address space.
- uint64_t cfi;
-
- // The starting address of this file's .text section, for DW_EH_PE_textrel.
- uint64_t text;
-
- // The starting address of this file's .got or .eh_frame_hdr section,
- // for DW_EH_PE_datarel.
- uint64_t data;
- };
-
- // Create a CFISection whose endianness is ENDIANNESS, and where
- // machine addresses are ADDRESS_SIZE bytes long. If EH_FRAME is
- // true, use the .eh_frame format, as described by the Linux
- // Standards Base Core Specification, instead of the DWARF CFI
- // format.
- CFISection(Endianness endianness, size_t address_size,
- bool eh_frame = false)
- : Section(endianness), address_size_(address_size), eh_frame_(eh_frame),
- pointer_encoding_(lul::DW_EH_PE_absptr),
- encoded_pointer_bases_(), entry_length_(NULL), in_fde_(false) {
- // The 'start', 'Here', and 'Mark' members of a CFISection all refer
- // to section offsets.
- start() = 0;
- }
-
- // Return this CFISection's address size.
- size_t AddressSize() const { return address_size_; }
-
- // Return true if this CFISection uses the .eh_frame format, or
- // false if it contains ordinary DWARF CFI data.
- bool ContainsEHFrame() const { return eh_frame_; }
-
- // Use ENCODING for pointers in calls to FDEHeader and EncodedPointer.
- void SetPointerEncoding(DwarfPointerEncoding encoding) {
- pointer_encoding_ = encoding;
- }
-
- // Use the addresses in BASES as the base addresses for encoded
- // pointers in subsequent calls to FDEHeader or EncodedPointer.
- // This function makes a copy of BASES.
- void SetEncodedPointerBases(const EncodedPointerBases &bases) {
- encoded_pointer_bases_ = bases;
- }
-
- // Append a Common Information Entry header to this section with the
- // given values. If dwarf64 is true, use the 64-bit DWARF initial
- // length format for the CIE's initial length. Return a reference to
- // this section. You should call FinishEntry after writing the last
- // instruction for the CIE.
- //
- // Before calling this function, you will typically want to use Mark
- // or Here to make a label to pass to FDEHeader that refers to this
- // CIE's position in the section.
- CFISection &CIEHeader(uint64_t code_alignment_factor,
- int data_alignment_factor,
- unsigned return_address_register,
- uint8_t version = 3,
- const string &augmentation = "",
- bool dwarf64 = false);
-
- // Append a Frame Description Entry header to this section with the
- // given values. If dwarf64 is true, use the 64-bit DWARF initial
- // length format for the CIE's initial length. Return a reference to
- // this section. You should call FinishEntry after writing the last
- // instruction for the CIE.
- //
- // This function doesn't support entries that are longer than
- // 0xffffff00 bytes. (The "initial length" is always a 32-bit
- // value.) Nor does it support .debug_frame sections longer than
- // 0xffffff00 bytes.
- CFISection &FDEHeader(Label cie_pointer,
- uint64_t initial_location,
- uint64_t address_range,
- bool dwarf64 = false);
-
- // Note the current position as the end of the last CIE or FDE we
- // started, after padding with DW_CFA_nops for alignment. This
- // defines the label representing the entry's length, cited in the
- // entry's header. Return a reference to this section.
- CFISection &FinishEntry();
-
- // Append the contents of BLOCK as a DW_FORM_block value: an
- // unsigned LEB128 length, followed by that many bytes of data.
- CFISection &Block(const string &block) {
- ULEB128(block.size());
- Append(block);
- return *this;
- }
-
- // Append ADDRESS to this section, in the appropriate size and
- // endianness. Return a reference to this section.
- CFISection &Address(uint64_t address) {
- Section::Append(endianness(), address_size_, address);
- return *this;
- }
-
- // Append ADDRESS to this section, using ENCODING and BASES. ENCODING
- // defaults to this section's default encoding, established by
- // SetPointerEncoding. BASES defaults to this section's bases, set by
- // SetEncodedPointerBases. If the DW_EH_PE_indirect bit is set in the
- // encoding, assume that ADDRESS is where the true address is stored.
- // Return a reference to this section.
- //
- // (C++ doesn't let me use default arguments here, because I want to
- // refer to members of *this in the default argument expression.)
- CFISection &EncodedPointer(uint64_t address) {
- return EncodedPointer(address, pointer_encoding_, encoded_pointer_bases_);
- }
- CFISection &EncodedPointer(uint64_t address, DwarfPointerEncoding encoding) {
- return EncodedPointer(address, encoding, encoded_pointer_bases_);
- }
- CFISection &EncodedPointer(uint64_t address, DwarfPointerEncoding encoding,
- const EncodedPointerBases &bases);
-
- // Restate some member functions, to keep chaining working nicely.
- CFISection &Mark(Label *label) { Section::Mark(label); return *this; }
- CFISection &D8(uint8_t v) { Section::D8(v); return *this; }
- CFISection &D16(uint16_t v) { Section::D16(v); return *this; }
- CFISection &D16(Label v) { Section::D16(v); return *this; }
- CFISection &D32(uint32_t v) { Section::D32(v); return *this; }
- CFISection &D32(const Label &v) { Section::D32(v); return *this; }
- CFISection &D64(uint64_t v) { Section::D64(v); return *this; }
- CFISection &D64(const Label &v) { Section::D64(v); return *this; }
- CFISection &LEB128(long long v) { Section::LEB128(v); return *this; }
- CFISection &ULEB128(uint64_t v) { Section::ULEB128(v); return *this; }
-
- private:
- // A length value that we've appended to the section, but is not yet
- // known. LENGTH is the appended value; START is a label referring
- // to the start of the data whose length was cited.
- struct PendingLength {
- Label length;
- Label start;
- };
-
- // Constants used in CFI/.eh_frame data:
-
- // If the first four bytes of an "initial length" are this constant, then
- // the data uses the 64-bit DWARF format, and the length itself is the
- // subsequent eight bytes.
- static const uint32_t kDwarf64InitialLengthMarker = 0xffffffffU;
-
- // The CIE identifier for 32- and 64-bit DWARF CFI and .eh_frame data.
- static const uint32_t kDwarf32CIEIdentifier = ~(uint32_t)0;
- static const uint64_t kDwarf64CIEIdentifier = ~(uint64_t)0;
- static const uint32_t kEHFrame32CIEIdentifier = 0;
- static const uint64_t kEHFrame64CIEIdentifier = 0;
-
- // The size of a machine address for the data in this section.
- size_t address_size_;
-
- // If true, we are generating a Linux .eh_frame section, instead of
- // a standard DWARF .debug_frame section.
- bool eh_frame_;
-
- // The encoding to use for FDE pointers.
- DwarfPointerEncoding pointer_encoding_;
-
- // The base addresses to use when emitting encoded pointers.
- EncodedPointerBases encoded_pointer_bases_;
-
- // The length value for the current entry.
- //
- // Oddly, this must be dynamically allocated. Labels never get new
- // values; they only acquire constraints on the value they already
- // have, or assert if you assign them something incompatible. So
- // each header needs truly fresh Label objects to cite in their
- // headers and track their positions. The alternative is explicit
- // destructor invocation and a placement new. Ick.
- PendingLength *entry_length_;
-
- // True if we are currently emitting an FDE --- that is, we have
- // called FDEHeader but have not yet called FinishEntry.
- bool in_fde_;
-
- // If in_fde_ is true, this is its starting address. We use this for
- // emitting DW_EH_PE_funcrel pointers.
- uint64_t fde_start_address_;
-};
-
-} // namespace lul_test
-
-#endif // LUL_TEST_INFRASTRUCTURE_H
diff --git a/tools/profiler/tests/gtest/ThreadProfileTest.cpp b/tools/profiler/tests/gtest/ThreadProfileTest.cpp
deleted file mode 100644
index 4399a5bc2..000000000
--- a/tools/profiler/tests/gtest/ThreadProfileTest.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "gtest/gtest.h"
-
-#include "ProfileEntry.h"
-#include "ThreadProfile.h"
-
-// Make sure we can initialize our ThreadProfile
-TEST(ThreadProfile, Initialization) {
- PseudoStack* stack = PseudoStack::create();
- Thread::tid_t tid = 1000;
- ThreadInfo info("testThread", tid, true, stack, nullptr);
- RefPtr<ProfileBuffer> pb = new ProfileBuffer(10);
- ThreadProfile tp(&info, pb);
-}
-
-// Make sure we can record one tag and read it
-TEST(ThreadProfile, InsertOneTag) {
- PseudoStack* stack = PseudoStack::create();
- Thread::tid_t tid = 1000;
- ThreadInfo info("testThread", tid, true, stack, nullptr);
- RefPtr<ProfileBuffer> pb = new ProfileBuffer(10);
- pb->addTag(ProfileEntry('t', 123.1));
- ASSERT_TRUE(pb->mEntries != nullptr);
- ASSERT_TRUE(pb->mEntries[pb->mReadPos].mTagName == 't');
- ASSERT_TRUE(pb->mEntries[pb->mReadPos].mTagDouble == 123.1);
-}
-
-// See if we can insert some tags
-TEST(ThreadProfile, InsertTagsNoWrap) {
- PseudoStack* stack = PseudoStack::create();
- Thread::tid_t tid = 1000;
- ThreadInfo info("testThread", tid, true, stack, nullptr);
- RefPtr<ProfileBuffer> pb = new ProfileBuffer(100);
- int test_size = 50;
- for (int i = 0; i < test_size; i++) {
- pb->addTag(ProfileEntry('t', i));
- }
- ASSERT_TRUE(pb->mEntries != nullptr);
- int readPos = pb->mReadPos;
- while (readPos != pb->mWritePos) {
- ASSERT_TRUE(pb->mEntries[readPos].mTagName == 't');
- ASSERT_TRUE(pb->mEntries[readPos].mTagInt == readPos);
- readPos = (readPos + 1) % pb->mEntrySize;
- }
-}
-
-// See if wrapping works as it should in the basic case
-TEST(ThreadProfile, InsertTagsWrap) {
- PseudoStack* stack = PseudoStack::create();
- Thread::tid_t tid = 1000;
- // we can fit only 24 tags in this buffer because of the empty slot
- int tags = 24;
- int buffer_size = tags + 1;
- ThreadInfo info("testThread", tid, true, stack, nullptr);
- RefPtr<ProfileBuffer> pb = new ProfileBuffer(buffer_size);
- int test_size = 43;
- for (int i = 0; i < test_size; i++) {
- pb->addTag(ProfileEntry('t', i));
- }
- ASSERT_TRUE(pb->mEntries != nullptr);
- int readPos = pb->mReadPos;
- int ctr = 0;
- while (readPos != pb->mWritePos) {
- ASSERT_TRUE(pb->mEntries[readPos].mTagName == 't');
- // the first few tags were discarded when we wrapped
- ASSERT_TRUE(pb->mEntries[readPos].mTagInt == ctr + (test_size - tags));
- ctr++;
- readPos = (readPos + 1) % pb->mEntrySize;
- }
-}
-
diff --git a/tools/profiler/tests/gtest/moz.build b/tools/profiler/tests/gtest/moz.build
deleted file mode 100644
index 33aded164..000000000
--- a/tools/profiler/tests/gtest/moz.build
+++ /dev/null
@@ -1,30 +0,0 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, you can obtain one at http://mozilla.org/MPL/2.0/.
-
-if CONFIG['OS_TARGET'] in ('Android', 'Linux'):
- UNIFIED_SOURCES += [
- 'LulTestDwarf.cpp',
- 'LulTestInfrastructure.cpp',
- ]
- if CONFIG['CPU_ARCH'] != 'x86':
- UNIFIED_SOURCES += [
- 'LulTest.cpp',
- ]
-
-LOCAL_INCLUDES += [
- '/tools/profiler/core',
- '/tools/profiler/gecko',
- '/tools/profiler/lul',
-]
-
-UNIFIED_SOURCES += [
- 'ThreadProfileTest.cpp',
-]
-
-FINAL_LIBRARY = 'xul-gtest'
-
-if CONFIG['GNU_CXX']:
- CXXFLAGS += ['-Wno-error=shadow']