//===-- MinidumpTypesTest.cpp ---------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "Plugins/Process/minidump/MinidumpParser.h" #include "Plugins/Process/minidump/MinidumpTypes.h" #include "Plugins/Process/minidump/RegisterContextMinidump_x86_32.h" #include "Plugins/Process/minidump/RegisterContextMinidump_x86_64.h" #include "TestingSupport/SubsystemRAII.h" #include "TestingSupport/TestUtilities.h" #include "lldb/Host/FileSystem.h" #include "lldb/Target/MemoryRegionInfo.h" #include "lldb/Utility/ArchSpec.h" #include "lldb/Utility/DataBufferHeap.h" #include "lldb/Utility/DataExtractor.h" #include "lldb/Utility/FileSpec.h" #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/Optional.h" #include "llvm/ObjectYAML/yaml2obj.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/Path.h" #include "llvm/Support/YAMLTraits.h" #include "llvm/Testing/Support/Error.h" #include "gtest/gtest.h" // C includes // C++ includes #include using namespace lldb_private; using namespace minidump; class MinidumpParserTest : public testing::Test { public: SubsystemRAII subsystems; void SetUpData(const char *minidump_filename) { std::string filename = GetInputFilePath(minidump_filename); auto BufferPtr = FileSystem::Instance().CreateDataBuffer(filename, -1, 0); ASSERT_NE(BufferPtr, nullptr); llvm::Expected expected_parser = MinidumpParser::Create(BufferPtr); ASSERT_THAT_EXPECTED(expected_parser, llvm::Succeeded()); parser = std::move(*expected_parser); ASSERT_GT(parser->GetData().size(), 0UL); } llvm::Error SetUpFromYaml(llvm::StringRef yaml) { std::string data; llvm::raw_string_ostream os(data); llvm::yaml::Input YIn(yaml); if (!llvm::yaml::convertYAML(YIn, os, [](const llvm::Twine &Msg) {})) return llvm::createStringError(llvm::inconvertibleErrorCode(), "convertYAML() failed"); os.flush(); auto data_buffer_sp = std::make_shared(data.data(), data.size()); auto expected_parser = MinidumpParser::Create(std::move(data_buffer_sp)); if (!expected_parser) return expected_parser.takeError(); parser = std::move(*expected_parser); return llvm::Error::success(); } llvm::Optional parser; }; TEST_F(MinidumpParserTest, InvalidMinidump) { std::string duplicate_streams; llvm::raw_string_ostream os(duplicate_streams); llvm::yaml::Input YIn(R"( --- !minidump Streams: - Type: LinuxAuxv Content: DEADBEEFBAADF00D - Type: LinuxAuxv Content: DEADBEEFBAADF00D )"); ASSERT_TRUE(llvm::yaml::convertYAML(YIn, os, [](const llvm::Twine &Msg){})); os.flush(); auto data_buffer_sp = std::make_shared( duplicate_streams.data(), duplicate_streams.size()); ASSERT_THAT_EXPECTED(MinidumpParser::Create(data_buffer_sp), llvm::Failed()); } TEST_F(MinidumpParserTest, GetThreadsAndGetThreadContext) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ThreadList Threads: - Thread Id: 0x00003E81 Stack: Start of Memory Range: 0x00007FFCEB34A000 Content: C84D04BCE97F00 Context: 00000000000000 ... )"), llvm::Succeeded()); llvm::ArrayRef thread_list; thread_list = parser->GetThreads(); ASSERT_EQ(1UL, thread_list.size()); const minidump::Thread &thread = thread_list[0]; EXPECT_EQ(0x3e81u, thread.ThreadId); llvm::ArrayRef context = parser->GetThreadContext(thread); EXPECT_EQ(7u, context.size()); } TEST_F(MinidumpParserTest, GetArchitecture) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: SystemInfo Processor Arch: AMD64 Processor Level: 6 Processor Revision: 16130 Number of Processors: 1 Platform ID: Linux CPU: Vendor ID: GenuineIntel Version Info: 0x00000000 Feature Info: 0x00000000 ... )"), llvm::Succeeded()); ASSERT_EQ(llvm::Triple::ArchType::x86_64, parser->GetArchitecture().GetMachine()); ASSERT_EQ(llvm::Triple::OSType::Linux, parser->GetArchitecture().GetTriple().getOS()); } TEST_F(MinidumpParserTest, GetMiscInfo_no_stream) { // Test that GetMiscInfo returns nullptr when the minidump does not contain // this stream. ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: ... )"), llvm::Succeeded()); EXPECT_EQ(nullptr, parser->GetMiscInfo()); } TEST_F(MinidumpParserTest, GetLinuxProcStatus) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: SystemInfo Processor Arch: AMD64 Processor Level: 6 Processor Revision: 16130 Number of Processors: 1 Platform ID: Linux CSD Version: 'Linux 3.13.0-91-generic' CPU: Vendor ID: GenuineIntel Version Info: 0x00000000 Feature Info: 0x00000000 - Type: LinuxProcStatus Text: | Name: a.out State: t (tracing stop) Tgid: 16001 Ngid: 0 Pid: 16001 PPid: 13243 TracerPid: 16002 Uid: 404696 404696 404696 404696 Gid: 5762 5762 5762 5762 ... )"), llvm::Succeeded()); llvm::Optional proc_status = parser->GetLinuxProcStatus(); ASSERT_TRUE(proc_status.hasValue()); lldb::pid_t pid = proc_status->GetPid(); ASSERT_EQ(16001UL, pid); } TEST_F(MinidumpParserTest, GetPid) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: SystemInfo Processor Arch: AMD64 Processor Level: 6 Processor Revision: 16130 Number of Processors: 1 Platform ID: Linux CSD Version: 'Linux 3.13.0-91-generic' CPU: Vendor ID: GenuineIntel Version Info: 0x00000000 Feature Info: 0x00000000 - Type: LinuxProcStatus Text: | Name: a.out State: t (tracing stop) Tgid: 16001 Ngid: 0 Pid: 16001 PPid: 13243 TracerPid: 16002 Uid: 404696 404696 404696 404696 Gid: 5762 5762 5762 5762 ... )"), llvm::Succeeded()); llvm::Optional pid = parser->GetPid(); ASSERT_TRUE(pid.hasValue()); ASSERT_EQ(16001UL, pid.getValue()); } TEST_F(MinidumpParserTest, GetFilteredModuleList) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x0000000000400000 Size of Image: 0x00001000 Module Name: '/tmp/test/linux-x86_64_not_crashed' CodeView Record: 4C4570426CCF3F60FFA7CC4B86AE8FF44DB2576A68983611 - Base of Image: 0x0000000000600000 Size of Image: 0x00002000 Module Name: '/tmp/test/linux-x86_64_not_crashed' CodeView Record: 4C4570426CCF3F60FFA7CC4B86AE8FF44DB2576A68983611 ... )"), llvm::Succeeded()); llvm::ArrayRef modules = parser->GetModuleList(); std::vector filtered_modules = parser->GetFilteredModuleList(); EXPECT_EQ(2u, modules.size()); ASSERT_EQ(1u, filtered_modules.size()); const minidump::Module &M = *filtered_modules[0]; EXPECT_THAT_EXPECTED(parser->GetMinidumpFile().getString(M.ModuleNameRVA), llvm::HasValue("/tmp/test/linux-x86_64_not_crashed")); } TEST_F(MinidumpParserTest, GetExceptionStream) { SetUpData("linux-x86_64.dmp"); const llvm::minidump::ExceptionStream *exception_stream = parser->GetExceptionStream(); ASSERT_NE(nullptr, exception_stream); ASSERT_EQ(11UL, exception_stream->ExceptionRecord.ExceptionCode); } void check_mem_range_exists(MinidumpParser &parser, const uint64_t range_start, const uint64_t range_size) { llvm::Optional range = parser.FindMemoryRange(range_start); ASSERT_TRUE(range.hasValue()) << "There is no range containing this address"; EXPECT_EQ(range_start, range->start); EXPECT_EQ(range_start + range_size, range->start + range->range_ref.size()); } TEST_F(MinidumpParserTest, FindMemoryRange) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: MemoryList Memory Ranges: - Start of Memory Range: 0x00007FFCEB34A000 Content: C84D04BCE9 - Start of Memory Range: 0x0000000000401D46 Content: 5421 ... )"), llvm::Succeeded()); EXPECT_EQ(llvm::None, parser->FindMemoryRange(0x00)); EXPECT_EQ(llvm::None, parser->FindMemoryRange(0x2a)); EXPECT_EQ((minidump::Range{0x401d46, llvm::ArrayRef{0x54, 0x21}}), parser->FindMemoryRange(0x401d46)); EXPECT_EQ(llvm::None, parser->FindMemoryRange(0x401d46 + 2)); EXPECT_EQ( (minidump::Range{0x7ffceb34a000, llvm::ArrayRef{0xc8, 0x4d, 0x04, 0xbc, 0xe9}}), parser->FindMemoryRange(0x7ffceb34a000 + 2)); EXPECT_EQ(llvm::None, parser->FindMemoryRange(0x7ffceb34a000 + 5)); } TEST_F(MinidumpParserTest, GetMemory) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: MemoryList Memory Ranges: - Start of Memory Range: 0x00007FFCEB34A000 Content: C84D04BCE9 - Start of Memory Range: 0x0000000000401D46 Content: 5421 ... )"), llvm::Succeeded()); EXPECT_EQ((llvm::ArrayRef{0x54}), parser->GetMemory(0x401d46, 1)); EXPECT_EQ((llvm::ArrayRef{0x54, 0x21}), parser->GetMemory(0x401d46, 4)); EXPECT_EQ((llvm::ArrayRef{0xc8, 0x4d, 0x04, 0xbc, 0xe9}), parser->GetMemory(0x7ffceb34a000, 5)); EXPECT_EQ((llvm::ArrayRef{0xc8, 0x4d, 0x04}), parser->GetMemory(0x7ffceb34a000, 3)); EXPECT_EQ(llvm::ArrayRef(), parser->GetMemory(0x500000, 512)); } TEST_F(MinidumpParserTest, FindMemoryRangeWithFullMemoryMinidump) { SetUpData("fizzbuzz_wow64.dmp"); // There are a lot of ranges in the file, just testing with some of them EXPECT_FALSE(parser->FindMemoryRange(0x00).hasValue()); EXPECT_FALSE(parser->FindMemoryRange(0x2a).hasValue()); check_mem_range_exists(*parser, 0x10000, 65536); // first range check_mem_range_exists(*parser, 0x40000, 4096); EXPECT_FALSE(parser->FindMemoryRange(0x40000 + 4096).hasValue()); check_mem_range_exists(*parser, 0x77c12000, 8192); check_mem_range_exists(*parser, 0x7ffe0000, 4096); // last range EXPECT_FALSE(parser->FindMemoryRange(0x7ffe0000 + 4096).hasValue()); } constexpr auto yes = MemoryRegionInfo::eYes; constexpr auto no = MemoryRegionInfo::eNo; constexpr auto unknown = MemoryRegionInfo::eDontKnow; TEST_F(MinidumpParserTest, GetMemoryRegionInfo) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: MemoryInfoList Memory Ranges: - Base Address: 0x0000000000000000 Allocation Protect: [ ] Region Size: 0x0000000000010000 State: [ MEM_FREE ] Protect: [ PAGE_NO_ACCESS ] Type: [ ] - Base Address: 0x0000000000010000 Allocation Protect: [ PAGE_READ_WRITE ] Region Size: 0x0000000000021000 State: [ MEM_COMMIT ] Type: [ MEM_MAPPED ] - Base Address: 0x0000000000040000 Allocation Protect: [ PAGE_EXECUTE_WRITE_COPY ] Region Size: 0x0000000000001000 State: [ MEM_COMMIT ] Protect: [ PAGE_READ_ONLY ] Type: [ MEM_IMAGE ] - Base Address: 0x000000007FFE0000 Allocation Protect: [ PAGE_READ_ONLY ] Region Size: 0x0000000000001000 State: [ MEM_COMMIT ] Type: [ MEM_PRIVATE ] - Base Address: 0x000000007FFE1000 Allocation Base: 0x000000007FFE0000 Allocation Protect: [ PAGE_READ_ONLY ] Region Size: 0x000000000000F000 State: [ MEM_RESERVE ] Protect: [ PAGE_NO_ACCESS ] Type: [ MEM_PRIVATE ] ... )"), llvm::Succeeded()); EXPECT_THAT( parser->BuildMemoryRegions(), testing::Pair( testing::ElementsAre( MemoryRegionInfo({0x0, 0x10000}, no, no, no, no, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x10000, 0x21000}, yes, yes, no, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x40000, 0x1000}, yes, no, no, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x7ffe0000, 0x1000}, yes, no, no, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x7ffe1000, 0xf000}, no, no, no, yes, ConstString(), unknown, 0, unknown, unknown)), true)); } TEST_F(MinidumpParserTest, GetMemoryRegionInfoFromMemoryList) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: MemoryList Memory Ranges: - Start of Memory Range: 0x0000000000001000 Content: '31313131313131313131313131313131' - Start of Memory Range: 0x0000000000002000 Content: '3333333333333333333333333333333333333333333333333333333333333333' ... )"), llvm::Succeeded()); // Test we can get memory regions from the MINIDUMP_MEMORY_LIST stream when // we don't have a MemoryInfoListStream. EXPECT_THAT( parser->BuildMemoryRegions(), testing::Pair( testing::ElementsAre( MemoryRegionInfo({0x1000, 0x10}, yes, unknown, unknown, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x2000, 0x20}, yes, unknown, unknown, yes, ConstString(), unknown, 0, unknown, unknown)), false)); } TEST_F(MinidumpParserTest, GetMemoryRegionInfoFromMemory64List) { SetUpData("regions-memlist64.dmp"); // Test we can get memory regions from the MINIDUMP_MEMORY64_LIST stream when // we don't have a MemoryInfoListStream. EXPECT_THAT( parser->BuildMemoryRegions(), testing::Pair( testing::ElementsAre( MemoryRegionInfo({0x1000, 0x10}, yes, unknown, unknown, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x2000, 0x20}, yes, unknown, unknown, yes, ConstString(), unknown, 0, unknown, unknown)), false)); } TEST_F(MinidumpParserTest, GetMemoryRegionInfoLinuxMaps) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: LinuxMaps Text: | 400d9000-400db000 r-xp 00000000 b3:04 227 /system/bin/app_process 400db000-400dc000 r--p 00001000 b3:04 227 /system/bin/app_process 400dc000-400dd000 rw-p 00000000 00:00 0 400ec000-400ed000 r--p 00000000 00:00 0 400ee000-400ef000 rw-p 00010000 b3:04 300 /system/bin/linker 400fc000-400fd000 rwxp 00001000 b3:04 1096 /system/lib/liblog.so ... )"), llvm::Succeeded()); // Test we can get memory regions from the linux /proc//maps stream when // we don't have a MemoryInfoListStream. ConstString app_process("/system/bin/app_process"); ConstString linker("/system/bin/linker"); ConstString liblog("/system/lib/liblog.so"); EXPECT_THAT( parser->BuildMemoryRegions(), testing::Pair( testing::ElementsAre( MemoryRegionInfo({0x400d9000, 0x2000}, yes, no, yes, yes, app_process, unknown, 0, unknown, unknown), MemoryRegionInfo({0x400db000, 0x1000}, yes, no, no, yes, app_process, unknown, 0, unknown, unknown), MemoryRegionInfo({0x400dc000, 0x1000}, yes, yes, no, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x400ec000, 0x1000}, yes, no, no, yes, ConstString(), unknown, 0, unknown, unknown), MemoryRegionInfo({0x400ee000, 0x1000}, yes, yes, no, yes, linker, unknown, 0, unknown, unknown), MemoryRegionInfo({0x400fc000, 0x1000}, yes, yes, yes, yes, liblog, unknown, 0, unknown, unknown)), true)); } TEST_F(MinidumpParserTest, GetMemoryRegionInfoLinuxMapsError) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: LinuxMaps Text: | 400d9000-400db000 r?xp 00000000 b3:04 227 400fc000-400fd000 rwxp 00001000 b3:04 1096 ... )"), llvm::Succeeded()); // Test that when a /proc/maps region fails to parse // we handle the error and continue with the rest. EXPECT_THAT( parser->BuildMemoryRegions(), testing::Pair(testing::ElementsAre(MemoryRegionInfo( {0x400fc000, 0x1000}, yes, yes, yes, yes, ConstString(nullptr), unknown, 0, unknown, unknown)), true)); } // Windows Minidump tests TEST_F(MinidumpParserTest, GetArchitectureWindows) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: SystemInfo Processor Arch: X86 Processor Level: 6 Processor Revision: 15876 Number of Processors: 32 Product type: 1 Major Version: 6 Minor Version: 1 Build Number: 7601 Platform ID: Win32NT CSD Version: Service Pack 1 Suite Mask: 0x0100 CPU: Vendor ID: GenuineIntel Version Info: 0x000306E4 Feature Info: 0xBFEBFBFF AMD Extended Features: 0x771EEC80 ... )"), llvm::Succeeded()); ASSERT_EQ(llvm::Triple::ArchType::x86, parser->GetArchitecture().GetMachine()); ASSERT_EQ(llvm::Triple::OSType::Win32, parser->GetArchitecture().GetTriple().getOS()); } TEST_F(MinidumpParserTest, GetLinuxProcStatus_no_stream) { // Test that GetLinuxProcStatus returns nullptr when the minidump does not // contain this stream. ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: ... )"), llvm::Succeeded()); EXPECT_EQ(llvm::None, parser->GetLinuxProcStatus()); } TEST_F(MinidumpParserTest, GetMiscInfoWindows) { SetUpData("fizzbuzz_no_heap.dmp"); const MinidumpMiscInfo *misc_info = parser->GetMiscInfo(); ASSERT_NE(nullptr, misc_info); llvm::Optional pid = misc_info->GetPid(); ASSERT_TRUE(pid.hasValue()); ASSERT_EQ(4440UL, pid.getValue()); } TEST_F(MinidumpParserTest, GetPidWindows) { SetUpData("fizzbuzz_no_heap.dmp"); llvm::Optional pid = parser->GetPid(); ASSERT_TRUE(pid.hasValue()); ASSERT_EQ(4440UL, pid.getValue()); } // wow64 TEST_F(MinidumpParserTest, GetPidWow64) { SetUpData("fizzbuzz_wow64.dmp"); llvm::Optional pid = parser->GetPid(); ASSERT_TRUE(pid.hasValue()); ASSERT_EQ(7836UL, pid.getValue()); } // Register tests #define REG_VAL32(x) *(reinterpret_cast(x)) #define REG_VAL64(x) *(reinterpret_cast(x)) TEST_F(MinidumpParserTest, GetThreadContext_x86_32) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ThreadList Threads: - Thread Id: 0x00026804 Stack: Start of Memory Range: 0x00000000FF9DD000 Content: 68D39DFF Context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llvm::Succeeded()); llvm::ArrayRef thread_list = parser->GetThreads(); const minidump::Thread &thread = thread_list[0]; llvm::ArrayRef registers(parser->GetThreadContext(thread)); const MinidumpContext_x86_32 *context; EXPECT_TRUE(consumeObject(registers, context).Success()); EXPECT_EQ(MinidumpContext_x86_32_Flags(uint32_t(context->context_flags)), MinidumpContext_x86_32_Flags::x86_32_Flag | MinidumpContext_x86_32_Flags::Full | MinidumpContext_x86_32_Flags::FloatingPoint); EXPECT_EQ(0x00000000u, context->eax); EXPECT_EQ(0xf7778000u, context->ebx); EXPECT_EQ(0x00000001u, context->ecx); EXPECT_EQ(0xff9dd4a3u, context->edx); EXPECT_EQ(0x080482a8u, context->edi); EXPECT_EQ(0xff9dd55cu, context->esi); EXPECT_EQ(0xff9dd53cu, context->ebp); EXPECT_EQ(0xff9dd52cu, context->esp); EXPECT_EQ(0x080482a0u, context->eip); EXPECT_EQ(0x00010282u, context->eflags); EXPECT_EQ(0x0023u, context->cs); EXPECT_EQ(0x0000u, context->fs); EXPECT_EQ(0x0063u, context->gs); EXPECT_EQ(0x002bu, context->ss); EXPECT_EQ(0x002bu, context->ds); EXPECT_EQ(0x002bu, context->es); } TEST_F(MinidumpParserTest, GetThreadContext_x86_64) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ThreadList Threads: - Thread Id: 0x00003E81 Stack: Start of Memory Range: 0x00007FFCEB34A000 Content: C84D04BCE97F00 Context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llvm::Succeeded()); llvm::ArrayRef thread_list = parser->GetThreads(); const minidump::Thread &thread = thread_list[0]; llvm::ArrayRef registers(parser->GetThreadContext(thread)); const MinidumpContext_x86_64 *context; EXPECT_TRUE(consumeObject(registers, context).Success()); EXPECT_EQ(MinidumpContext_x86_64_Flags(uint32_t(context->context_flags)), MinidumpContext_x86_64_Flags::x86_64_Flag | MinidumpContext_x86_64_Flags::Control | MinidumpContext_x86_64_Flags::FloatingPoint | MinidumpContext_x86_64_Flags::Integer); EXPECT_EQ(0x0000000000000000u, context->rax); EXPECT_EQ(0x0000000000000000u, context->rbx); EXPECT_EQ(0x0000000000000010u, context->rcx); EXPECT_EQ(0x0000000000000000u, context->rdx); EXPECT_EQ(0x00007ffceb349cf0u, context->rdi); EXPECT_EQ(0x0000000000000000u, context->rsi); EXPECT_EQ(0x00007ffceb34a210u, context->rbp); EXPECT_EQ(0x00007ffceb34a210u, context->rsp); EXPECT_EQ(0x00007fe9bc1aa9c0u, context->r8); EXPECT_EQ(0x0000000000000000u, context->r9); EXPECT_EQ(0x00007fe9bc3f16a0u, context->r10); EXPECT_EQ(0x0000000000000246u, context->r11); EXPECT_EQ(0x0000000000401c92u, context->r12); EXPECT_EQ(0x00007ffceb34a430u, context->r13); EXPECT_EQ(0x0000000000000000u, context->r14); EXPECT_EQ(0x0000000000000000u, context->r15); EXPECT_EQ(0x0000000000401dc6u, context->rip); EXPECT_EQ(0x00010206u, context->eflags); EXPECT_EQ(0x0033u, context->cs); EXPECT_EQ(0x0000u, context->ss); } TEST_F(MinidumpParserTest, GetThreadContext_x86_32_wow64) { SetUpData("fizzbuzz_wow64.dmp"); llvm::ArrayRef thread_list = parser->GetThreads(); const minidump::Thread &thread = thread_list[0]; llvm::ArrayRef registers(parser->GetThreadContextWow64(thread)); const MinidumpContext_x86_32 *context; EXPECT_TRUE(consumeObject(registers, context).Success()); EXPECT_EQ(MinidumpContext_x86_32_Flags(uint32_t(context->context_flags)), MinidumpContext_x86_32_Flags::x86_32_Flag | MinidumpContext_x86_32_Flags::Full | MinidumpContext_x86_32_Flags::FloatingPoint | MinidumpContext_x86_32_Flags::ExtendedRegisters); EXPECT_EQ(0x00000000u, context->eax); EXPECT_EQ(0x0037f608u, context->ebx); EXPECT_EQ(0x00e61578u, context->ecx); EXPECT_EQ(0x00000008u, context->edx); EXPECT_EQ(0x00000000u, context->edi); EXPECT_EQ(0x00000002u, context->esi); EXPECT_EQ(0x0037f654u, context->ebp); EXPECT_EQ(0x0037f5b8u, context->esp); EXPECT_EQ(0x77ce01fdu, context->eip); EXPECT_EQ(0x00000246u, context->eflags); EXPECT_EQ(0x0023u, context->cs); EXPECT_EQ(0x0053u, context->fs); EXPECT_EQ(0x002bu, context->gs); EXPECT_EQ(0x002bu, context->ss); EXPECT_EQ(0x002bu, context->ds); EXPECT_EQ(0x002bu, context->es); } TEST_F(MinidumpParserTest, MinidumpDuplicateModuleMinAddress) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x0000000000002000 Size of Image: 0x00001000 Module Name: '/tmp/a' CodeView Record: '' - Base of Image: 0x0000000000001000 Size of Image: 0x00001000 Module Name: '/tmp/a' CodeView Record: '' ... )"), llvm::Succeeded()); // If we have a module mentioned twice in the module list, the filtered // module list should contain the instance with the lowest BaseOfImage. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(1u, filtered_modules.size()); EXPECT_EQ(0x0000000000001000u, filtered_modules[0]->BaseOfImage); } TEST_F(MinidumpParserTest, MinidumpDuplicateModuleMappedFirst) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x400d0000 Size of Image: 0x00002000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Base of Image: 0x400d3000 Size of Image: 0x00001000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Type: LinuxMaps Text: | 400d0000-400d2000 r--p 00000000 b3:04 227 /usr/lib/libc.so 400d2000-400d3000 rw-p 00000000 00:00 0 400d3000-400d4000 r-xp 00010000 b3:04 227 /usr/lib/libc.so 400d4000-400d5000 rwxp 00001000 b3:04 227 /usr/lib/libc.so ... )"), llvm::Succeeded()); // If we have a module mentioned twice in the module list, and we have full // linux maps for all of the memory regions, make sure we pick the one that // has a consecutive region with a matching path that has executable // permissions. If clients open an object file with mmap, breakpad can create // multiple mappings for a library errnoneously and the lowest address isn't // always the right address. In this case we check the consective memory // regions whose path matches starting at the base of image address and make // sure one of the regions is executable and prefer that one. // // This test will make sure that if the executable is second in the module // list, that it will become the selected module in the filtered list. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(1u, filtered_modules.size()); EXPECT_EQ(0x400d3000u, filtered_modules[0]->BaseOfImage); } TEST_F(MinidumpParserTest, MinidumpDuplicateModuleMappedSecond) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x400d0000 Size of Image: 0x00002000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Base of Image: 0x400d3000 Size of Image: 0x00001000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Type: LinuxMaps Text: | 400d0000-400d1000 r-xp 00010000 b3:04 227 /usr/lib/libc.so 400d1000-400d2000 rwxp 00001000 b3:04 227 /usr/lib/libc.so 400d2000-400d3000 rw-p 00000000 00:00 0 400d3000-400d5000 r--p 00000000 b3:04 227 /usr/lib/libc.so ... )"), llvm::Succeeded()); // If we have a module mentioned twice in the module list, and we have full // linux maps for all of the memory regions, make sure we pick the one that // has a consecutive region with a matching path that has executable // permissions. If clients open an object file with mmap, breakpad can create // multiple mappings for a library errnoneously and the lowest address isn't // always the right address. In this case we check the consective memory // regions whose path matches starting at the base of image address and make // sure one of the regions is executable and prefer that one. // // This test will make sure that if the executable is first in the module // list, that it will remain the correctly selected module in the filtered // list. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(1u, filtered_modules.size()); EXPECT_EQ(0x400d0000u, filtered_modules[0]->BaseOfImage); } TEST_F(MinidumpParserTest, MinidumpDuplicateModuleMappedSecondHigh) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x400d3000 Size of Image: 0x00002000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Base of Image: 0x400d0000 Size of Image: 0x00001000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Type: LinuxMaps Text: | 400d0000-400d2000 r--p 00000000 b3:04 227 /usr/lib/libc.so 400d2000-400d3000 rw-p 00000000 00:00 0 400d3000-400d4000 r-xp 00010000 b3:04 227 /usr/lib/libc.so 400d4000-400d5000 rwxp 00001000 b3:04 227 /usr/lib/libc.so ... )"), llvm::Succeeded()); // If we have a module mentioned twice in the module list, and we have full // linux maps for all of the memory regions, make sure we pick the one that // has a consecutive region with a matching path that has executable // permissions. If clients open an object file with mmap, breakpad can create // multiple mappings for a library errnoneously and the lowest address isn't // always the right address. In this case we check the consective memory // regions whose path matches starting at the base of image address and make // sure one of the regions is executable and prefer that one. // // This test will make sure that if the executable is first in the module // list, that it will remain the correctly selected module in the filtered // list, even if the non-executable module was loaded at a lower base address. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(1u, filtered_modules.size()); EXPECT_EQ(0x400d3000u, filtered_modules[0]->BaseOfImage); } TEST_F(MinidumpParserTest, MinidumpDuplicateModuleSeparateCode) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x400d0000 Size of Image: 0x00002000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Base of Image: 0x400d5000 Size of Image: 0x00001000 Module Name: '/usr/lib/libc.so' CodeView Record: '' - Type: LinuxMaps Text: | 400d0000-400d3000 r--p 00000000 b3:04 227 /usr/lib/libc.so 400d3000-400d5000 rw-p 00000000 00:00 0 400d5000-400d6000 r--p 00000000 b3:04 227 /usr/lib/libc.so 400d6000-400d7000 r-xp 00010000 b3:04 227 /usr/lib/libc.so 400d7000-400d8000 rwxp 00001000 b3:04 227 /usr/lib/libc.so ... )"), llvm::Succeeded()); // If we have a module mentioned twice in the module list, and we have full // linux maps for all of the memory regions, make sure we pick the one that // has a consecutive region with a matching path that has executable // permissions. If clients open an object file with mmap, breakpad can create // multiple mappings for a library errnoneously and the lowest address isn't // always the right address. In this case we check the consective memory // regions whose path matches starting at the base of image address and make // sure one of the regions is executable and prefer that one. // // This test will make sure if binaries are compiled with "-z separate-code", // where the first region for a binary won't be marked as executable, that // it gets selected by detecting the second consecutive mapping at 0x400d7000 // when asked about the a module mamed "/usr/lib/libc.so" at 0x400d5000. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(1u, filtered_modules.size()); EXPECT_EQ(0x400d5000u, filtered_modules[0]->BaseOfImage); } TEST_F(MinidumpParserTest, MinidumpModuleOrder) { ASSERT_THAT_ERROR(SetUpFromYaml(R"( --- !minidump Streams: - Type: ModuleList Modules: - Base of Image: 0x0000000000002000 Size of Image: 0x00001000 Module Name: '/tmp/a' CodeView Record: '' - Base of Image: 0x0000000000001000 Size of Image: 0x00001000 Module Name: '/tmp/b' CodeView Record: '' ... )"), llvm::Succeeded()); // Test module filtering does not affect the overall module order. Previous // versions of the MinidumpParser::GetFilteredModuleList() function would sort // all images by address and modify the order of the modules. std::vector filtered_modules = parser->GetFilteredModuleList(); ASSERT_EQ(2u, filtered_modules.size()); EXPECT_EQ(0x0000000000002000u, filtered_modules[0]->BaseOfImage); EXPECT_THAT_EXPECTED( parser->GetMinidumpFile().getString(filtered_modules[0]->ModuleNameRVA), llvm::HasValue("/tmp/a")); EXPECT_EQ(0x0000000000001000u, filtered_modules[1]->BaseOfImage); EXPECT_THAT_EXPECTED( parser->GetMinidumpFile().getString(filtered_modules[1]->ModuleNameRVA), llvm::HasValue("/tmp/b")); }