diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/fast_source_line_resolver_unittest.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/fast_source_line_resolver_unittest.cc | 491 |
1 files changed, 0 insertions, 491 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/fast_source_line_resolver_unittest.cc b/toolkit/crashreporter/google-breakpad/src/processor/fast_source_line_resolver_unittest.cc deleted file mode 100644 index c7215228e..000000000 --- a/toolkit/crashreporter/google-breakpad/src/processor/fast_source_line_resolver_unittest.cc +++ /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. -// -// fast_source_line_resolver_unittest.cc: Unit tests for FastSourceLineResolver. -// Two different approaches for testing fast source line resolver: -// First, use the same unit test data for basic source line resolver. -// Second, read data from symbol files, load them as basic modules, and then -// serialize them and load the serialized data as fast modules. Then compare -// modules to assure the fast module contains exactly the same data as -// basic module. -// -// Author: Siyang Xie (lambxsy@google.com) - -#include <assert.h> -#include <stdio.h> - -#include <sstream> -#include <string> - -#include "breakpad_googletest_includes.h" -#include "common/using_std_string.h" -#include "google_breakpad/processor/code_module.h" -#include "google_breakpad/processor/stack_frame.h" -#include "google_breakpad/processor/memory_region.h" -#include "processor/logging.h" -#include "processor/module_serializer.h" -#include "processor/module_comparer.h" - -namespace { - -using google_breakpad::SourceLineResolverBase; -using google_breakpad::BasicSourceLineResolver; -using google_breakpad::FastSourceLineResolver; -using google_breakpad::ModuleSerializer; -using google_breakpad::ModuleComparer; -using google_breakpad::CFIFrameInfo; -using google_breakpad::CodeModule; -using google_breakpad::MemoryRegion; -using google_breakpad::StackFrame; -using google_breakpad::WindowsFrameInfo; -using google_breakpad::linked_ptr; -using google_breakpad::scoped_ptr; - -class TestCodeModule : public CodeModule { - public: - explicit TestCodeModule(string code_file) : code_file_(code_file) {} - virtual ~TestCodeModule() {} - - virtual uint64_t base_address() const { return 0; } - virtual uint64_t size() const { return 0xb000; } - virtual string code_file() const { return code_file_; } - virtual string code_identifier() const { return ""; } - virtual string debug_file() const { return ""; } - virtual string debug_identifier() const { return ""; } - virtual string version() const { return ""; } - virtual CodeModule* Copy() const { - return new TestCodeModule(code_file_); - } - virtual uint64_t shrink_down_delta() const { return 0; } - virtual void SetShrinkDownDelta(uint64_t shrink_down_delta) {} - - private: - string code_file_; -}; - -// A mock memory region object, for use by the STACK CFI tests. -class MockMemoryRegion: public MemoryRegion { - uint64_t GetBase() const { return 0x10000; } - uint32_t GetSize() const { return 0x01000; } - bool GetMemoryAtAddress(uint64_t address, uint8_t *value) const { - *value = address & 0xff; - return true; - } - bool GetMemoryAtAddress(uint64_t address, uint16_t *value) const { - *value = address & 0xffff; - return true; - } - bool GetMemoryAtAddress(uint64_t address, uint32_t *value) const { - switch (address) { - case 0x10008: *value = 0x98ecadc3; break; // saved %ebx - case 0x1000c: *value = 0x878f7524; break; // saved %esi - case 0x10010: *value = 0x6312f9a5; break; // saved %edi - case 0x10014: *value = 0x10038; break; // caller's %ebp - case 0x10018: *value = 0xf6438648; break; // return address - default: *value = 0xdeadbeef; break; // junk - } - return true; - } - bool GetMemoryAtAddress(uint64_t address, uint64_t *value) const { - *value = address; - return true; - } - void Print() const { - assert(false); - } -}; - -// Verify that, for every association in ACTUAL, EXPECTED has the same -// association. (That is, ACTUAL's associations should be a subset of -// EXPECTED's.) Also verify that ACTUAL has associations for ".ra" and -// ".cfa". -static bool VerifyRegisters( - const char *file, int line, - const CFIFrameInfo::RegisterValueMap<uint32_t> &expected, - const CFIFrameInfo::RegisterValueMap<uint32_t> &actual) { - CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator a; - a = actual.find(".cfa"); - if (a == actual.end()) - return false; - a = actual.find(".ra"); - if (a == actual.end()) - return false; - for (a = actual.begin(); a != actual.end(); a++) { - CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator e = - expected.find(a->first); - if (e == expected.end()) { - fprintf(stderr, "%s:%d: unexpected register '%s' recovered, value 0x%x\n", - file, line, a->first.c_str(), a->second); - return false; - } - if (e->second != a->second) { - fprintf(stderr, - "%s:%d: register '%s' recovered value was 0x%x, expected 0x%x\n", - file, line, a->first.c_str(), a->second, e->second); - return false; - } - // Don't complain if this doesn't recover all registers. Although - // the DWARF spec says that unmentioned registers are undefined, - // GCC uses omission to mean that they are unchanged. - } - return true; -} - -static bool VerifyEmpty(const StackFrame &frame) { - if (frame.function_name.empty() && - frame.source_file_name.empty() && - frame.source_line == 0) - return true; - return false; -} - -static void ClearSourceLineInfo(StackFrame *frame) { - frame->function_name.clear(); - frame->module = NULL; - frame->source_file_name.clear(); - frame->source_line = 0; -} - -class TestFastSourceLineResolver : public ::testing::Test { - public: - void SetUp() { - testdata_dir = string(getenv("srcdir") ? getenv("srcdir") : ".") + - "/src/processor/testdata"; - } - - string symbol_file(int file_index) { - std::stringstream ss; - ss << testdata_dir << "/module" << file_index << ".out"; - return ss.str(); - } - - ModuleSerializer serializer; - BasicSourceLineResolver basic_resolver; - FastSourceLineResolver fast_resolver; - ModuleComparer module_comparer; - - string testdata_dir; -}; - -// Test adapted from basic_source_line_resolver_unittest. -TEST_F(TestFastSourceLineResolver, TestLoadAndResolve) { - TestCodeModule module1("module1"); - ASSERT_TRUE(basic_resolver.LoadModule(&module1, symbol_file(1))); - ASSERT_TRUE(basic_resolver.HasModule(&module1)); - // Convert module1 to fast_module: - ASSERT_TRUE(serializer.ConvertOneModule( - module1.code_file(), &basic_resolver, &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module1)); - - TestCodeModule module2("module2"); - ASSERT_TRUE(basic_resolver.LoadModule(&module2, symbol_file(2))); - ASSERT_TRUE(basic_resolver.HasModule(&module2)); - // Convert module2 to fast_module: - ASSERT_TRUE(serializer.ConvertOneModule( - module2.code_file(), &basic_resolver, &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module2)); - - StackFrame frame; - scoped_ptr<WindowsFrameInfo> windows_frame_info; - scoped_ptr<CFIFrameInfo> cfi_frame_info; - frame.instruction = 0x1000; - frame.module = NULL; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_FALSE(frame.module); - ASSERT_TRUE(frame.function_name.empty()); - ASSERT_EQ(frame.function_base, 0U); - ASSERT_TRUE(frame.source_file_name.empty()); - ASSERT_EQ(frame.source_line, 0); - ASSERT_EQ(frame.source_line_base, 0U); - - frame.module = &module1; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Function1_1"); - ASSERT_TRUE(frame.module); - ASSERT_EQ(frame.module->code_file(), "module1"); - ASSERT_EQ(frame.function_base, 0x1000U); - ASSERT_EQ(frame.source_file_name, "file1_1.cc"); - ASSERT_EQ(frame.source_line, 44); - ASSERT_EQ(frame.source_line_base, 0x1000U); - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_TRUE(windows_frame_info.get()); - ASSERT_FALSE(windows_frame_info->allocates_base_pointer); - ASSERT_EQ(windows_frame_info->program_string, - "$eip 4 + ^ = $esp $ebp 8 + = $ebp $ebp ^ ="); - - ClearSourceLineInfo(&frame); - frame.instruction = 0x800; - frame.module = &module1; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_TRUE(VerifyEmpty(frame)); - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_FALSE(windows_frame_info.get()); - - frame.instruction = 0x1280; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Function1_3"); - ASSERT_TRUE(frame.source_file_name.empty()); - ASSERT_EQ(frame.source_line, 0); - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_TRUE(windows_frame_info.get()); - ASSERT_EQ(windows_frame_info->type_, WindowsFrameInfo::STACK_INFO_UNKNOWN); - ASSERT_FALSE(windows_frame_info->allocates_base_pointer); - ASSERT_TRUE(windows_frame_info->program_string.empty()); - - frame.instruction = 0x1380; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Function1_4"); - ASSERT_TRUE(frame.source_file_name.empty()); - ASSERT_EQ(frame.source_line, 0); - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_TRUE(windows_frame_info.get()); - ASSERT_EQ(windows_frame_info->type_, WindowsFrameInfo::STACK_INFO_FRAME_DATA); - ASSERT_FALSE(windows_frame_info->allocates_base_pointer); - ASSERT_FALSE(windows_frame_info->program_string.empty()); - - frame.instruction = 0x2000; - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_FALSE(windows_frame_info.get()); - - // module1 has STACK CFI records covering 3d40..3def; - // module2 has STACK CFI records covering 3df0..3e9f; - // check that FindCFIFrameInfo doesn't claim to find any outside those ranges. - frame.instruction = 0x3d3f; - frame.module = &module1; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_FALSE(cfi_frame_info.get()); - - frame.instruction = 0x3e9f; - frame.module = &module1; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_FALSE(cfi_frame_info.get()); - - CFIFrameInfo::RegisterValueMap<uint32_t> current_registers; - CFIFrameInfo::RegisterValueMap<uint32_t> caller_registers; - CFIFrameInfo::RegisterValueMap<uint32_t> expected_caller_registers; - MockMemoryRegion memory; - - // Regardless of which instruction evaluation takes place at, it - // should produce the same values for the caller's registers. - expected_caller_registers[".cfa"] = 0x1001c; - expected_caller_registers[".ra"] = 0xf6438648; - expected_caller_registers["$ebp"] = 0x10038; - expected_caller_registers["$ebx"] = 0x98ecadc3; - expected_caller_registers["$esi"] = 0x878f7524; - expected_caller_registers["$edi"] = 0x6312f9a5; - - frame.instruction = 0x3d40; - frame.module = &module1; - current_registers.clear(); - current_registers["$esp"] = 0x10018; - current_registers["$ebp"] = 0x10038; - current_registers["$ebx"] = 0x98ecadc3; - current_registers["$esi"] = 0x878f7524; - current_registers["$edi"] = 0x6312f9a5; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - ASSERT_TRUE(VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers)); - - frame.instruction = 0x3d41; - current_registers["$esp"] = 0x10014; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - ASSERT_TRUE(VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers)); - - frame.instruction = 0x3d43; - current_registers["$ebp"] = 0x10014; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers); - - frame.instruction = 0x3d54; - current_registers["$ebx"] = 0x6864f054U; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers); - - frame.instruction = 0x3d5a; - current_registers["$esi"] = 0x6285f79aU; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers); - - frame.instruction = 0x3d84; - current_registers["$edi"] = 0x64061449U; - cfi_frame_info.reset(fast_resolver.FindCFIFrameInfo(&frame)); - ASSERT_TRUE(cfi_frame_info.get()); - ASSERT_TRUE(cfi_frame_info.get() - ->FindCallerRegs<uint32_t>(current_registers, memory, - &caller_registers)); - VerifyRegisters(__FILE__, __LINE__, - expected_caller_registers, caller_registers); - - frame.instruction = 0x2900; - frame.module = &module1; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, string("PublicSymbol")); - - frame.instruction = 0x4000; - frame.module = &module1; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, string("LargeFunction")); - - frame.instruction = 0x2181; - frame.module = &module2; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Function2_2"); - ASSERT_EQ(frame.function_base, 0x2170U); - ASSERT_TRUE(frame.module); - ASSERT_EQ(frame.module->code_file(), "module2"); - ASSERT_EQ(frame.source_file_name, "file2_2.cc"); - ASSERT_EQ(frame.source_line, 21); - ASSERT_EQ(frame.source_line_base, 0x2180U); - windows_frame_info.reset(fast_resolver.FindWindowsFrameInfo(&frame)); - ASSERT_TRUE(windows_frame_info.get()); - ASSERT_EQ(windows_frame_info->type_, WindowsFrameInfo::STACK_INFO_FRAME_DATA); - ASSERT_EQ(windows_frame_info->prolog_size, 1U); - - frame.instruction = 0x216f; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Public2_1"); - - ClearSourceLineInfo(&frame); - frame.instruction = 0x219f; - frame.module = &module2; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_TRUE(frame.function_name.empty()); - - frame.instruction = 0x21a0; - frame.module = &module2; - fast_resolver.FillSourceLineInfo(&frame); - ASSERT_EQ(frame.function_name, "Public2_2"); -} - -TEST_F(TestFastSourceLineResolver, TestInvalidLoads) { - TestCodeModule module3("module3"); - ASSERT_TRUE(basic_resolver.LoadModule(&module3, - testdata_dir + "/module3_bad.out")); - ASSERT_TRUE(basic_resolver.HasModule(&module3)); - ASSERT_TRUE(basic_resolver.IsModuleCorrupt(&module3)); - // Convert module3 to fast_module: - ASSERT_TRUE(serializer.ConvertOneModule(module3.code_file(), - &basic_resolver, - &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module3)); - ASSERT_TRUE(fast_resolver.IsModuleCorrupt(&module3)); - - TestCodeModule module4("module4"); - ASSERT_TRUE(basic_resolver.LoadModule(&module4, - testdata_dir + "/module4_bad.out")); - ASSERT_TRUE(basic_resolver.HasModule(&module4)); - ASSERT_TRUE(basic_resolver.IsModuleCorrupt(&module4)); - // Convert module4 to fast_module: - ASSERT_TRUE(serializer.ConvertOneModule(module4.code_file(), - &basic_resolver, - &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module4)); - ASSERT_TRUE(fast_resolver.IsModuleCorrupt(&module4)); - - TestCodeModule module5("module5"); - ASSERT_FALSE(fast_resolver.LoadModule(&module5, - testdata_dir + "/invalid-filename")); - ASSERT_FALSE(fast_resolver.HasModule(&module5)); - - TestCodeModule invalidmodule("invalid-module"); - ASSERT_FALSE(fast_resolver.HasModule(&invalidmodule)); -} - -TEST_F(TestFastSourceLineResolver, TestUnload) { - TestCodeModule module1("module1"); - ASSERT_FALSE(basic_resolver.HasModule(&module1)); - - ASSERT_TRUE(basic_resolver.LoadModule(&module1, symbol_file(1))); - ASSERT_TRUE(basic_resolver.HasModule(&module1)); - // Convert module1 to fast_module. - ASSERT_TRUE(serializer.ConvertOneModule(module1.code_file(), - &basic_resolver, - &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module1)); - basic_resolver.UnloadModule(&module1); - fast_resolver.UnloadModule(&module1); - ASSERT_FALSE(fast_resolver.HasModule(&module1)); - - ASSERT_TRUE(basic_resolver.LoadModule(&module1, symbol_file(1))); - ASSERT_TRUE(basic_resolver.HasModule(&module1)); - // Convert module1 to fast_module. - ASSERT_TRUE(serializer.ConvertOneModule(module1.code_file(), - &basic_resolver, - &fast_resolver)); - ASSERT_TRUE(fast_resolver.HasModule(&module1)); -} - -TEST_F(TestFastSourceLineResolver, CompareModule) { - char *symbol_data; - size_t symbol_data_size; - string symbol_data_string; - string filename; - - for (int module_index = 0; module_index < 3; ++module_index) { - std::stringstream ss; - ss << testdata_dir << "/module" << module_index << ".out"; - filename = ss.str(); - ASSERT_TRUE(SourceLineResolverBase::ReadSymbolFile( - symbol_file(module_index), &symbol_data, &symbol_data_size)); - symbol_data_string.assign(symbol_data, symbol_data_size); - delete [] symbol_data; - ASSERT_TRUE(module_comparer.Compare(symbol_data_string)); - } -} - -} // namespace - -int main(int argc, char *argv[]) { - ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} |