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llvm-project/lldb/unittests/Process/minidump/MinidumpParserTest.cpp

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//===-- MinidumpTypesTest.cpp -----------------------------------*- C++ -*-===//
//
// 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/Utility/RegisterContextLinux_i386.h"
#include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
#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/TestUtilities.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Target/MemoryRegionInfo.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/Utility/FileSpec.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/Optional.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "gtest/gtest.h"
// C includes
// C++ includes
#include <memory>
using namespace lldb_private;
using namespace minidump;
class MinidumpParserTest : public testing::Test {
public:
void SetUp() override { FileSystem::Initialize(); }
void TearDown() override { FileSystem::Terminate(); }
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::Optional<MinidumpParser> optional_parser =
MinidumpParser::Create(BufferPtr);
ASSERT_TRUE(optional_parser.hasValue());
parser.reset(new MinidumpParser(optional_parser.getValue()));
ASSERT_GT(parser->GetData().size(), 0UL);
auto result = parser->Initialize();
ASSERT_TRUE(result.Success()) << result.AsCString();
}
void InvalidMinidump(const char *minidump_filename, uint64_t load_size) {
std::string filename = GetInputFilePath(minidump_filename);
auto BufferPtr =
FileSystem::Instance().CreateDataBuffer(filename, load_size, 0);
ASSERT_NE(BufferPtr, nullptr);
llvm::Optional<MinidumpParser> optional_parser =
MinidumpParser::Create(BufferPtr);
ASSERT_TRUE(optional_parser.hasValue());
parser.reset(new MinidumpParser(optional_parser.getValue()));
ASSERT_GT(parser->GetData().size(), 0UL);
auto result = parser->Initialize();
ASSERT_TRUE(result.Fail());
}
std::unique_ptr<MinidumpParser> parser;
};
TEST_F(MinidumpParserTest, GetThreadsAndGetThreadContext) {
SetUpData("linux-x86_64.dmp");
llvm::ArrayRef<MinidumpThread> thread_list;
thread_list = parser->GetThreads();
ASSERT_EQ(1UL, thread_list.size());
const MinidumpThread thread = thread_list[0];
EXPECT_EQ(16001UL, thread.thread_id);
llvm::ArrayRef<uint8_t> context = parser->GetThreadContext(thread);
EXPECT_EQ(1232UL, context.size());
}
TEST_F(MinidumpParserTest, GetThreadListNotPadded) {
// Verify that we can load a thread list that doesn't have 4 bytes of padding
// after the thread count.
SetUpData("thread-list-not-padded.dmp");
llvm::ArrayRef<MinidumpThread> thread_list;
thread_list = parser->GetThreads();
ASSERT_EQ(2UL, thread_list.size());
EXPECT_EQ(0x11223344UL, thread_list[0].thread_id);
EXPECT_EQ(0x55667788UL, thread_list[1].thread_id);
}
TEST_F(MinidumpParserTest, GetThreadListPadded) {
// Verify that we can load a thread list that has 4 bytes of padding
// after the thread count as found in breakpad minidump files.
SetUpData("thread-list-padded.dmp");
auto thread_list = parser->GetThreads();
ASSERT_EQ(2UL, thread_list.size());
EXPECT_EQ(0x11223344UL, thread_list[0].thread_id);
EXPECT_EQ(0x55667788UL, thread_list[1].thread_id);
}
TEST_F(MinidumpParserTest, GetModuleListNotPadded) {
// Verify that we can load a module list that doesn't have 4 bytes of padding
// after the module count.
SetUpData("module-list-not-padded.dmp");
auto module_list = parser->GetModuleList();
ASSERT_EQ(2UL, module_list.size());
EXPECT_EQ(0x1000UL, module_list[0].base_of_image);
EXPECT_EQ(0x2000UL, module_list[0].size_of_image);
EXPECT_EQ(0x5000UL, module_list[1].base_of_image);
EXPECT_EQ(0x3000UL, module_list[1].size_of_image);
}
TEST_F(MinidumpParserTest, GetModuleListPadded) {
// Verify that we can load a module list that has 4 bytes of padding
// after the module count as found in breakpad minidump files.
SetUpData("module-list-padded.dmp");
auto module_list = parser->GetModuleList();
ASSERT_EQ(2UL, module_list.size());
EXPECT_EQ(0x1000UL, module_list[0].base_of_image);
EXPECT_EQ(0x2000UL, module_list[0].size_of_image);
EXPECT_EQ(0x5000UL, module_list[1].base_of_image);
EXPECT_EQ(0x3000UL, module_list[1].size_of_image);
}
TEST_F(MinidumpParserTest, GetMemoryListNotPadded) {
// Verify that we can load a memory list that doesn't have 4 bytes of padding
// after the memory range count.
SetUpData("memory-list-not-padded.dmp");
auto mem = parser->FindMemoryRange(0x8000);
ASSERT_TRUE(mem.hasValue());
EXPECT_EQ((lldb::addr_t)0x8000, mem->start);
mem = parser->FindMemoryRange(0x8010);
ASSERT_TRUE(mem.hasValue());
EXPECT_EQ((lldb::addr_t)0x8010, mem->start);
}
TEST_F(MinidumpParserTest, GetMemoryListPadded) {
// Verify that we can load a memory list that has 4 bytes of padding
// after the memory range count as found in breakpad minidump files.
SetUpData("memory-list-padded.dmp");
auto mem = parser->FindMemoryRange(0x8000);
ASSERT_TRUE(mem.hasValue());
EXPECT_EQ((lldb::addr_t)0x8000, mem->start);
mem = parser->FindMemoryRange(0x8010);
ASSERT_TRUE(mem.hasValue());
EXPECT_EQ((lldb::addr_t)0x8010, mem->start);
}
TEST_F(MinidumpParserTest, TruncatedMinidumps) {
InvalidMinidump("linux-x86_64.dmp", 32);
InvalidMinidump("linux-x86_64.dmp", 100);
InvalidMinidump("linux-x86_64.dmp", 20 * 1024);
}
TEST_F(MinidumpParserTest, IllFormedMinidumps) {
InvalidMinidump("bad_duplicate_streams.dmp", -1);
InvalidMinidump("bad_overlapping_streams.dmp", -1);
}
TEST_F(MinidumpParserTest, GetArchitecture) {
SetUpData("linux-x86_64.dmp");
ASSERT_EQ(llvm::Triple::ArchType::x86_64,
parser->GetArchitecture().GetMachine());
ASSERT_EQ(llvm::Triple::OSType::Linux,
parser->GetArchitecture().GetTriple().getOS());
}
TEST_F(MinidumpParserTest, GetMiscInfo) {
SetUpData("linux-x86_64.dmp");
const MinidumpMiscInfo *misc_info = parser->GetMiscInfo();
ASSERT_EQ(nullptr, misc_info);
}
TEST_F(MinidumpParserTest, GetLinuxProcStatus) {
SetUpData("linux-x86_64.dmp");
llvm::Optional<LinuxProcStatus> proc_status = parser->GetLinuxProcStatus();
ASSERT_TRUE(proc_status.hasValue());
lldb::pid_t pid = proc_status->GetPid();
ASSERT_EQ(16001UL, pid);
}
TEST_F(MinidumpParserTest, GetPid) {
SetUpData("linux-x86_64.dmp");
llvm::Optional<lldb::pid_t> pid = parser->GetPid();
ASSERT_TRUE(pid.hasValue());
ASSERT_EQ(16001UL, pid.getValue());
}
TEST_F(MinidumpParserTest, GetModuleList) {
SetUpData("linux-x86_64.dmp");
llvm::ArrayRef<MinidumpModule> modules = parser->GetModuleList();
ASSERT_EQ(8UL, modules.size());
std::string module_names[8] = {
"/usr/local/google/home/dvlahovski/projects/test_breakpad/a.out",
"/lib/x86_64-linux-gnu/libm-2.19.so",
"/lib/x86_64-linux-gnu/libc-2.19.so",
"/lib/x86_64-linux-gnu/libgcc_s.so.1",
"/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19",
"/lib/x86_64-linux-gnu/libpthread-2.19.so",
"/lib/x86_64-linux-gnu/ld-2.19.so",
"linux-gate.so",
};
for (int i = 0; i < 8; ++i) {
llvm::Optional<std::string> name =
parser->GetMinidumpString(modules[i].module_name_rva);
ASSERT_TRUE(name.hasValue());
EXPECT_EQ(module_names[i], name.getValue());
}
}
TEST_F(MinidumpParserTest, GetFilteredModuleList) {
SetUpData("linux-x86_64_not_crashed.dmp");
llvm::ArrayRef<MinidumpModule> modules = parser->GetModuleList();
std::vector<const MinidumpModule *> filtered_modules =
parser->GetFilteredModuleList();
EXPECT_EQ(10UL, modules.size());
EXPECT_EQ(9UL, filtered_modules.size());
// EXPECT_GT(modules.size(), filtered_modules.size());
bool found = false;
for (size_t i = 0; i < filtered_modules.size(); ++i) {
llvm::Optional<std::string> name =
parser->GetMinidumpString(filtered_modules[i]->module_name_rva);
ASSERT_TRUE(name.hasValue());
if (name.getValue() == "/tmp/test/linux-x86_64_not_crashed") {
ASSERT_FALSE(found) << "There should be only one module with this name "
"in the filtered module list";
found = true;
ASSERT_EQ(0x400000UL, filtered_modules[i]->base_of_image);
}
}
}
TEST_F(MinidumpParserTest, GetExceptionStream) {
SetUpData("linux-x86_64.dmp");
const MinidumpExceptionStream *exception_stream =
parser->GetExceptionStream();
ASSERT_NE(nullptr, exception_stream);
ASSERT_EQ(11UL, exception_stream->exception_record.exception_code);
}
void check_mem_range_exists(std::unique_ptr<MinidumpParser> &parser,
const uint64_t range_start,
const uint64_t range_size) {
llvm::Optional<minidump::Range> 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) {
SetUpData("linux-x86_64.dmp");
// There are two memory ranges in the file (size is in bytes, decimal):
// 1) 0x401d46 256
// 2) 0x7ffceb34a000 12288
EXPECT_FALSE(parser->FindMemoryRange(0x00).hasValue());
EXPECT_FALSE(parser->FindMemoryRange(0x2a).hasValue());
check_mem_range_exists(parser, 0x401d46, 256);
EXPECT_FALSE(parser->FindMemoryRange(0x401d46 + 256).hasValue());
check_mem_range_exists(parser, 0x7ffceb34a000, 12288);
EXPECT_FALSE(parser->FindMemoryRange(0x7ffceb34a000 + 12288).hasValue());
}
TEST_F(MinidumpParserTest, GetMemory) {
SetUpData("linux-x86_64.dmp");
EXPECT_EQ(128UL, parser->GetMemory(0x401d46, 128).size());
EXPECT_EQ(256UL, parser->GetMemory(0x401d46, 512).size());
EXPECT_EQ(12288UL, parser->GetMemory(0x7ffceb34a000, 12288).size());
EXPECT_EQ(1024UL, parser->GetMemory(0x7ffceb34a000, 1024).size());
EXPECT_TRUE(parser->GetMemory(0x500000, 512).empty());
}
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());
}
void check_region(std::unique_ptr<MinidumpParser> &parser,
lldb::addr_t addr, lldb::addr_t start, lldb::addr_t end,
MemoryRegionInfo::OptionalBool read,
MemoryRegionInfo::OptionalBool write,
MemoryRegionInfo::OptionalBool exec,
MemoryRegionInfo::OptionalBool mapped,
ConstString name = ConstString()) {
auto range_info = parser->GetMemoryRegionInfo(addr);
EXPECT_EQ(start, range_info.GetRange().GetRangeBase());
EXPECT_EQ(end, range_info.GetRange().GetRangeEnd());
EXPECT_EQ(read, range_info.GetReadable());
EXPECT_EQ(write, range_info.GetWritable());
EXPECT_EQ(exec, range_info.GetExecutable());
EXPECT_EQ(mapped, range_info.GetMapped());
EXPECT_EQ(name, range_info.GetName());
}
// Same as above function where addr == start
void check_region(std::unique_ptr<MinidumpParser> &parser,
lldb::addr_t start, lldb::addr_t end,
MemoryRegionInfo::OptionalBool read,
MemoryRegionInfo::OptionalBool write,
MemoryRegionInfo::OptionalBool exec,
MemoryRegionInfo::OptionalBool mapped,
ConstString name = ConstString()) {
check_region(parser, start, start, end, read, write, exec, mapped, name);
}
constexpr auto yes = MemoryRegionInfo::eYes;
constexpr auto no = MemoryRegionInfo::eNo;
constexpr auto unknown = MemoryRegionInfo::eDontKnow;
TEST_F(MinidumpParserTest, GetMemoryRegionInfo) {
SetUpData("fizzbuzz_wow64.dmp");
check_region(parser, 0x00000000, 0x00010000, no, no, no, no);
check_region(parser, 0x00010000, 0x00020000, yes, yes, no, yes);
check_region(parser, 0x00020000, 0x00030000, yes, yes, no, yes);
check_region(parser, 0x00030000, 0x00031000, yes, yes, no, yes);
check_region(parser, 0x00031000, 0x00040000, no, no, no, no);
check_region(parser, 0x00040000, 0x00041000, yes, no, no, yes);
// Check addresses contained inside ranges
check_region(parser, 0x00000001, 0x00000000, 0x00010000, no, no, no, no);
check_region(parser, 0x0000ffff, 0x00000000, 0x00010000, no, no, no, no);
check_region(parser, 0x00010001, 0x00010000, 0x00020000, yes, yes, no, yes);
check_region(parser, 0x0001ffff, 0x00010000, 0x00020000, yes, yes, no, yes);
// Test that an address after the last entry maps to rest of the memory space
check_region(parser, 0x7fff0000, 0x7fff0000, UINT64_MAX, no, no, no, no);
}
TEST_F(MinidumpParserTest, GetMemoryRegionInfoFromMemoryList) {
SetUpData("regions-memlist.dmp");
// Test we can get memory regions from the MINIDUMP_MEMORY_LIST stream when
// we don't have a MemoryInfoListStream.
// Test addres before the first entry comes back with nothing mapped up
// to first valid region info
check_region(parser, 0x00000000, 0x00001000, no, no, no, no);
check_region(parser, 0x00001000, 0x00001010, yes, unknown, unknown, yes);
check_region(parser, 0x00001010, 0x00002000, no, no, no, no);
check_region(parser, 0x00002000, 0x00002020, yes, unknown, unknown, yes);
check_region(parser, 0x00002020, UINT64_MAX, no, no, no, no);
}
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.
// Test addres before the first entry comes back with nothing mapped up
// to first valid region info
check_region(parser, 0x00000000, 0x00001000, no, no, no, no);
check_region(parser, 0x00001000, 0x00001010, yes, unknown, unknown, yes);
check_region(parser, 0x00001010, 0x00002000, no, no, no, no);
check_region(parser, 0x00002000, 0x00002020, yes, unknown, unknown, yes);
check_region(parser, 0x00002020, UINT64_MAX, no, no, no, no);
}
TEST_F(MinidumpParserTest, GetMemoryRegionInfoLinuxMaps) {
SetUpData("regions-linux-map.dmp");
// Test we can get memory regions from the linux /proc/<pid>/maps stream when
// we don't have a MemoryInfoListStream.
// Test addres before the first entry comes back with nothing mapped up
// to first valid region info
ConstString a("/system/bin/app_process");
ConstString b("/system/bin/linker");
ConstString c("/system/lib/liblog.so");
ConstString d("/system/lib/libc.so");
ConstString n;
check_region(parser, 0x00000000, 0x400d9000, no , no , no , no , n);
check_region(parser, 0x400d9000, 0x400db000, yes, no , yes, yes, a);
check_region(parser, 0x400db000, 0x400dc000, yes, no , no , yes, a);
check_region(parser, 0x400dc000, 0x400dd000, yes, yes, no , yes, n);
check_region(parser, 0x400dd000, 0x400ec000, yes, no , yes, yes, b);
check_region(parser, 0x400ec000, 0x400ed000, yes, no , no , yes, n);
check_region(parser, 0x400ed000, 0x400ee000, yes, no , no , yes, b);
check_region(parser, 0x400ee000, 0x400ef000, yes, yes, no , yes, b);
check_region(parser, 0x400ef000, 0x400fb000, yes, yes, no , yes, n);
check_region(parser, 0x400fb000, 0x400fc000, yes, no , yes, yes, c);
check_region(parser, 0x400fc000, 0x400fd000, yes, yes, yes, yes, c);
check_region(parser, 0x400fd000, 0x400ff000, yes, no , yes, yes, c);
check_region(parser, 0x400ff000, 0x40100000, yes, no , no , yes, c);
check_region(parser, 0x40100000, 0x40101000, yes, yes, no , yes, c);
check_region(parser, 0x40101000, 0x40122000, yes, no , yes, yes, d);
check_region(parser, 0x40122000, 0x40123000, yes, yes, yes, yes, d);
check_region(parser, 0x40123000, 0x40167000, yes, no , yes, yes, d);
check_region(parser, 0x40167000, 0x40169000, yes, no , no , yes, d);
check_region(parser, 0x40169000, 0x4016b000, yes, yes, no , yes, d);
check_region(parser, 0x4016b000, 0x40176000, yes, yes, no , yes, n);
check_region(parser, 0x40176000, UINT64_MAX, no , no , no , no , n);
}
// Windows Minidump tests
// fizzbuzz_no_heap.dmp is copied from the WinMiniDump tests
TEST_F(MinidumpParserTest, GetArchitectureWindows) {
SetUpData("fizzbuzz_no_heap.dmp");
ASSERT_EQ(llvm::Triple::ArchType::x86,
parser->GetArchitecture().GetMachine());
ASSERT_EQ(llvm::Triple::OSType::Win32,
parser->GetArchitecture().GetTriple().getOS());
}
TEST_F(MinidumpParserTest, GetLinuxProcStatusWindows) {
SetUpData("fizzbuzz_no_heap.dmp");
llvm::Optional<LinuxProcStatus> proc_status = parser->GetLinuxProcStatus();
ASSERT_FALSE(proc_status.hasValue());
}
TEST_F(MinidumpParserTest, GetMiscInfoWindows) {
SetUpData("fizzbuzz_no_heap.dmp");
const MinidumpMiscInfo *misc_info = parser->GetMiscInfo();
ASSERT_NE(nullptr, misc_info);
llvm::Optional<lldb::pid_t> pid = misc_info->GetPid();
ASSERT_TRUE(pid.hasValue());
ASSERT_EQ(4440UL, pid.getValue());
}
TEST_F(MinidumpParserTest, GetPidWindows) {
SetUpData("fizzbuzz_no_heap.dmp");
llvm::Optional<lldb::pid_t> pid = parser->GetPid();
ASSERT_TRUE(pid.hasValue());
ASSERT_EQ(4440UL, pid.getValue());
}
// wow64
TEST_F(MinidumpParserTest, GetPidWow64) {
SetUpData("fizzbuzz_wow64.dmp");
llvm::Optional<lldb::pid_t> pid = parser->GetPid();
ASSERT_TRUE(pid.hasValue());
ASSERT_EQ(7836UL, pid.getValue());
}
TEST_F(MinidumpParserTest, GetModuleListWow64) {
SetUpData("fizzbuzz_wow64.dmp");
llvm::ArrayRef<MinidumpModule> modules = parser->GetModuleList();
ASSERT_EQ(16UL, modules.size());
std::string module_names[16] = {
R"(D:\src\llvm\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\postmortem\wow64_minidump\fizzbuzz.exe)",
R"(C:\Windows\System32\ntdll.dll)",
R"(C:\Windows\System32\wow64.dll)",
R"(C:\Windows\System32\wow64win.dll)",
R"(C:\Windows\System32\wow64cpu.dll)",
R"(D:\src\llvm\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\postmortem\wow64_minidump\fizzbuzz.exe)",
R"(C:\Windows\SysWOW64\ntdll.dll)",
R"(C:\Windows\SysWOW64\kernel32.dll)",
R"(C:\Windows\SysWOW64\KERNELBASE.dll)",
R"(C:\Windows\SysWOW64\advapi32.dll)",
R"(C:\Windows\SysWOW64\msvcrt.dll)",
R"(C:\Windows\SysWOW64\sechost.dll)",
R"(C:\Windows\SysWOW64\rpcrt4.dll)",
R"(C:\Windows\SysWOW64\sspicli.dll)",
R"(C:\Windows\SysWOW64\CRYPTBASE.dll)",
R"(C:\Windows\System32\api-ms-win-core-synch-l1-2-0.DLL)",
};
for (int i = 0; i < 16; ++i) {
llvm::Optional<std::string> name =
parser->GetMinidumpString(modules[i].module_name_rva);
ASSERT_TRUE(name.hasValue());
EXPECT_EQ(module_names[i], name.getValue());
}
}
// Register tests
#define REG_VAL32(x) *(reinterpret_cast<uint32_t *>(x))
#define REG_VAL64(x) *(reinterpret_cast<uint64_t *>(x))
TEST_F(MinidumpParserTest, ConvertMinidumpContext_x86_32) {
SetUpData("linux-i386.dmp");
llvm::ArrayRef<MinidumpThread> thread_list = parser->GetThreads();
const MinidumpThread thread = thread_list[0];
llvm::ArrayRef<uint8_t> registers(parser->GetThreadContext(thread));
ArchSpec arch = parser->GetArchitecture();
auto reg_interface = llvm::make_unique<RegisterContextLinux_i386>(arch);
lldb::DataBufferSP buf =
ConvertMinidumpContext_x86_32(registers, reg_interface.get());
ASSERT_EQ(reg_interface->GetGPRSize(), buf->GetByteSize());
const RegisterInfo *reg_info = reg_interface->GetRegisterInfo();
std::map<uint64_t, uint32_t> reg_values;
reg_values[lldb_eax_i386] = 0x00000000;
reg_values[lldb_ebx_i386] = 0xf7778000;
reg_values[lldb_ecx_i386] = 0x00000001;
reg_values[lldb_edx_i386] = 0xff9dd4a3;
reg_values[lldb_edi_i386] = 0x080482a8;
reg_values[lldb_esi_i386] = 0xff9dd55c;
reg_values[lldb_ebp_i386] = 0xff9dd53c;
reg_values[lldb_esp_i386] = 0xff9dd52c;
reg_values[lldb_eip_i386] = 0x080482a0;
reg_values[lldb_eflags_i386] = 0x00010282;
reg_values[lldb_cs_i386] = 0x00000023;
reg_values[lldb_fs_i386] = 0x00000000;
reg_values[lldb_gs_i386] = 0x00000063;
reg_values[lldb_ss_i386] = 0x0000002b;
reg_values[lldb_ds_i386] = 0x0000002b;
reg_values[lldb_es_i386] = 0x0000002b;
for (uint32_t reg_index = 0; reg_index < reg_interface->GetRegisterCount();
++reg_index) {
if (reg_values.find(reg_index) != reg_values.end()) {
EXPECT_EQ(reg_values[reg_index],
REG_VAL32(buf->GetBytes() + reg_info[reg_index].byte_offset));
}
}
}
TEST_F(MinidumpParserTest, ConvertMinidumpContext_x86_64) {
SetUpData("linux-x86_64.dmp");
llvm::ArrayRef<MinidumpThread> thread_list = parser->GetThreads();
const MinidumpThread thread = thread_list[0];
llvm::ArrayRef<uint8_t> registers(parser->GetThreadContext(thread));
ArchSpec arch = parser->GetArchitecture();
auto reg_interface = llvm::make_unique<RegisterContextLinux_x86_64>(arch);
lldb::DataBufferSP buf =
ConvertMinidumpContext_x86_64(registers, reg_interface.get());
ASSERT_EQ(reg_interface->GetGPRSize(), buf->GetByteSize());
const RegisterInfo *reg_info = reg_interface->GetRegisterInfo();
std::map<uint64_t, uint64_t> reg_values;
reg_values[lldb_rax_x86_64] = 0x0000000000000000;
reg_values[lldb_rbx_x86_64] = 0x0000000000000000;
reg_values[lldb_rcx_x86_64] = 0x0000000000000010;
reg_values[lldb_rdx_x86_64] = 0x0000000000000000;
reg_values[lldb_rdi_x86_64] = 0x00007ffceb349cf0;
reg_values[lldb_rsi_x86_64] = 0x0000000000000000;
reg_values[lldb_rbp_x86_64] = 0x00007ffceb34a210;
reg_values[lldb_rsp_x86_64] = 0x00007ffceb34a210;
reg_values[lldb_r8_x86_64] = 0x00007fe9bc1aa9c0;
reg_values[lldb_r9_x86_64] = 0x0000000000000000;
reg_values[lldb_r10_x86_64] = 0x00007fe9bc3f16a0;
reg_values[lldb_r11_x86_64] = 0x0000000000000246;
reg_values[lldb_r12_x86_64] = 0x0000000000401c92;
reg_values[lldb_r13_x86_64] = 0x00007ffceb34a430;
reg_values[lldb_r14_x86_64] = 0x0000000000000000;
reg_values[lldb_r15_x86_64] = 0x0000000000000000;
reg_values[lldb_rip_x86_64] = 0x0000000000401dc6;
reg_values[lldb_rflags_x86_64] = 0x0000000000010206;
reg_values[lldb_cs_x86_64] = 0x0000000000000033;
reg_values[lldb_fs_x86_64] = 0x0000000000000000;
reg_values[lldb_gs_x86_64] = 0x0000000000000000;
reg_values[lldb_ss_x86_64] = 0x0000000000000000;
reg_values[lldb_ds_x86_64] = 0x0000000000000000;
reg_values[lldb_es_x86_64] = 0x0000000000000000;
for (uint32_t reg_index = 0; reg_index < reg_interface->GetRegisterCount();
++reg_index) {
if (reg_values.find(reg_index) != reg_values.end()) {
EXPECT_EQ(reg_values[reg_index],
REG_VAL64(buf->GetBytes() + reg_info[reg_index].byte_offset));
}
}
}
TEST_F(MinidumpParserTest, ConvertMinidumpContext_x86_32_wow64) {
SetUpData("fizzbuzz_wow64.dmp");
llvm::ArrayRef<MinidumpThread> thread_list = parser->GetThreads();
const MinidumpThread thread = thread_list[0];
llvm::ArrayRef<uint8_t> registers(parser->GetThreadContextWow64(thread));
ArchSpec arch = parser->GetArchitecture();
auto reg_interface = llvm::make_unique<RegisterContextLinux_i386>(arch);
lldb::DataBufferSP buf =
ConvertMinidumpContext_x86_32(registers, reg_interface.get());
ASSERT_EQ(reg_interface->GetGPRSize(), buf->GetByteSize());
const RegisterInfo *reg_info = reg_interface->GetRegisterInfo();
std::map<uint64_t, uint32_t> reg_values;
reg_values[lldb_eax_i386] = 0x00000000;
reg_values[lldb_ebx_i386] = 0x0037f608;
reg_values[lldb_ecx_i386] = 0x00e61578;
reg_values[lldb_edx_i386] = 0x00000008;
reg_values[lldb_edi_i386] = 0x00000000;
reg_values[lldb_esi_i386] = 0x00000002;
reg_values[lldb_ebp_i386] = 0x0037f654;
reg_values[lldb_esp_i386] = 0x0037f5b8;
reg_values[lldb_eip_i386] = 0x77ce01fd;
reg_values[lldb_eflags_i386] = 0x00000246;
reg_values[lldb_cs_i386] = 0x00000023;
reg_values[lldb_fs_i386] = 0x00000053;
reg_values[lldb_gs_i386] = 0x0000002b;
reg_values[lldb_ss_i386] = 0x0000002b;
reg_values[lldb_ds_i386] = 0x0000002b;
reg_values[lldb_es_i386] = 0x0000002b;
for (uint32_t reg_index = 0; reg_index < reg_interface->GetRegisterCount();
++reg_index) {
if (reg_values.find(reg_index) != reg_values.end()) {
EXPECT_EQ(reg_values[reg_index],
REG_VAL32(buf->GetBytes() + reg_info[reg_index].byte_offset));
}
}
}
TEST_F(MinidumpParserTest, MinidumpDuplicateModuleMinAddress) {
SetUpData("modules-dup-min-addr.dmp");
// Test that if we have two modules in the module list:
// /tmp/a with range [0x2000-0x3000)
// /tmp/a with range [0x1000-0x2000)
// That we end up with one module in the filtered list with the
// range [0x1000-0x2000). MinidumpParser::GetFilteredModuleList() is
// trying to ensure that if we have the same module mentioned more than
// one time, we pick the one with the lowest base_of_image.
std::vector<const MinidumpModule *> filtered_modules =
parser->GetFilteredModuleList();
EXPECT_EQ(1u, filtered_modules.size());
EXPECT_EQ(0x0000000000001000u, filtered_modules[0]->base_of_image);
}
TEST_F(MinidumpParserTest, MinidumpModuleOrder) {
SetUpData("modules-order.dmp");
// Test that if we have two modules in the module list:
// /tmp/a with range [0x2000-0x3000)
// /tmp/b with range [0x1000-0x2000)
// That we end up with two modules in the filtered list with the same ranges
// and in the same order. Previous versions of the
// MinidumpParser::GetFilteredModuleList() function would sort all images
// by address and modify the order of the modules.
std::vector<const MinidumpModule *> filtered_modules =
parser->GetFilteredModuleList();
llvm::Optional<std::string> name;
EXPECT_EQ(2u, filtered_modules.size());
EXPECT_EQ(0x0000000000002000u, filtered_modules[0]->base_of_image);
name = parser->GetMinidumpString(filtered_modules[0]->module_name_rva);
ASSERT_TRUE((bool)name);
EXPECT_EQ(std::string("/tmp/a"), *name);
EXPECT_EQ(0x0000000000001000u, filtered_modules[1]->base_of_image);
name = parser->GetMinidumpString(filtered_modules[1]->module_name_rva);
ASSERT_TRUE((bool)name);
EXPECT_EQ(std::string("/tmp/b"), *name);
}
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