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// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "snapshot/minidump/process_snapshot_minidump.h"
#include <windows.h>
#include <dbghelp.h>
#include <string.h>
#include <memory>
#include "base/numerics/safe_math.h"
#include "base/stl_util.h"
#include "base/strings/utf_string_conversions.h"
#include "gtest/gtest.h"
#include "minidump/minidump_context.h"
#include "snapshot/memory_map_region_snapshot.h"
#include "snapshot/minidump/minidump_annotation_reader.h"
#include "snapshot/module_snapshot.h"
#include "util/file/string_file.h"
#include "util/misc/pdb_structures.h"
namespace crashpad {
namespace test {
namespace {
class ReadToVector : public crashpad::MemorySnapshot::Delegate {
public:
std::vector<uint8_t> result;
bool MemorySnapshotDelegateRead(void* data, size_t size) override {
result.resize(size);
memcpy(result.data(), data, size);
return true;
}
};
TEST(ProcessSnapshotMinidump, EmptyFile) {
StringFile string_file;
ProcessSnapshotMinidump process_snapshot;
EXPECT_FALSE(process_snapshot.Initialize(&string_file));
}
TEST(ProcessSnapshotMinidump, InvalidSignatureAndVersion) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_FALSE(process_snapshot.Initialize(&string_file));
}
TEST(ProcessSnapshotMinidump, Empty) {
StringFile string_file;
MINIDUMP_HEADER header = {};
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
UUID client_id;
process_snapshot.ClientID(&client_id);
EXPECT_EQ(client_id, UUID());
EXPECT_TRUE(process_snapshot.AnnotationsSimpleMap().empty());
}
// Writes |string| to |writer| as a MinidumpUTF8String, and returns the file
// offset of the beginning of the string.
RVA WriteString(FileWriterInterface* writer, const std::string& string) {
RVA rva = static_cast<RVA>(writer->SeekGet());
uint32_t string_size = static_cast<uint32_t>(string.size());
EXPECT_TRUE(writer->Write(&string_size, sizeof(string_size)));
// Include the trailing NUL character.
EXPECT_TRUE(writer->Write(string.c_str(), string.size() + 1));
return rva;
}
// Writes |dictionary| to |writer| as a MinidumpSimpleStringDictionary, and
// populates |location| with a location descriptor identifying what was written.
void WriteMinidumpSimpleStringDictionary(
MINIDUMP_LOCATION_DESCRIPTOR* location,
FileWriterInterface* writer,
const std::map<std::string, std::string>& dictionary) {
std::vector<MinidumpSimpleStringDictionaryEntry> entries;
for (const auto& it : dictionary) {
MinidumpSimpleStringDictionaryEntry entry;
entry.key = WriteString(writer, it.first);
entry.value = WriteString(writer, it.second);
entries.push_back(entry);
}
location->Rva = static_cast<RVA>(writer->SeekGet());
const uint32_t simple_string_dictionary_entries =
static_cast<uint32_t>(entries.size());
EXPECT_TRUE(writer->Write(&simple_string_dictionary_entries,
sizeof(simple_string_dictionary_entries)));
for (const MinidumpSimpleStringDictionaryEntry& entry : entries) {
EXPECT_TRUE(writer->Write(&entry, sizeof(entry)));
}
location->DataSize = static_cast<uint32_t>(
sizeof(simple_string_dictionary_entries) +
entries.size() * sizeof(MinidumpSimpleStringDictionaryEntry));
}
// Writes |strings| to |writer| as a MinidumpRVAList referencing
// MinidumpUTF8String objects, and populates |location| with a location
// descriptor identifying what was written.
void WriteMinidumpStringList(MINIDUMP_LOCATION_DESCRIPTOR* location,
FileWriterInterface* writer,
const std::vector<std::string>& strings) {
std::vector<RVA> rvas;
for (const std::string& string : strings) {
rvas.push_back(WriteString(writer, string));
}
location->Rva = static_cast<RVA>(writer->SeekGet());
const uint32_t string_list_entries = static_cast<uint32_t>(rvas.size());
EXPECT_TRUE(writer->Write(&string_list_entries, sizeof(string_list_entries)));
for (RVA rva : rvas) {
EXPECT_TRUE(writer->Write(&rva, sizeof(rva)));
}
location->DataSize = static_cast<uint32_t>(sizeof(string_list_entries) +
rvas.size() * sizeof(RVA));
}
// Writes |data| to |writer| as a MinidumpByteArray, and returns the file offset
// from the beginning of the string.
RVA WriteByteArray(FileWriterInterface* writer,
const std::vector<uint8_t> data) {
auto rva = static_cast<RVA>(writer->SeekGet());
auto length = static_cast<uint32_t>(data.size());
EXPECT_TRUE(writer->Write(&length, sizeof(length)));
EXPECT_TRUE(writer->Write(data.data(), length));
return rva;
}
// Writes |annotations| to |writer| as a MinidumpAnnotationList, and populates
// |location| with a location descriptor identifying what was written.
void WriteMinidumpAnnotationList(
MINIDUMP_LOCATION_DESCRIPTOR* location,
FileWriterInterface* writer,
const std::vector<AnnotationSnapshot>& annotations) {
std::vector<MinidumpAnnotation> minidump_annotations;
for (const auto& it : annotations) {
MinidumpAnnotation annotation;
annotation.name = WriteString(writer, it.name);
annotation.type = it.type;
annotation.reserved = 0;
annotation.value = WriteByteArray(writer, it.value);
minidump_annotations.push_back(annotation);
}
location->Rva = static_cast<RVA>(writer->SeekGet());
auto count = static_cast<uint32_t>(minidump_annotations.size());
EXPECT_TRUE(writer->Write(&count, sizeof(count)));
for (const auto& it : minidump_annotations) {
EXPECT_TRUE(writer->Write(&it, sizeof(MinidumpAnnotation)));
}
location->DataSize =
sizeof(MinidumpAnnotationList) + count * sizeof(MinidumpAnnotation);
}
TEST(ProcessSnapshotMinidump, ClientID) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
UUID client_id;
ASSERT_TRUE(
client_id.InitializeFromString("0001f4a9-d00d-5155-0a55-c0ffeec0ffee"));
MinidumpCrashpadInfo crashpad_info = {};
crashpad_info.version = MinidumpCrashpadInfo::kVersion;
crashpad_info.client_id = client_id;
MINIDUMP_DIRECTORY crashpad_info_directory = {};
crashpad_info_directory.StreamType = kMinidumpStreamTypeCrashpadInfo;
crashpad_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_info, sizeof(crashpad_info)));
crashpad_info_directory.Location.DataSize = sizeof(crashpad_info);
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_info_directory,
sizeof(crashpad_info_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
UUID actual_client_id;
process_snapshot.ClientID(&actual_client_id);
EXPECT_EQ(actual_client_id, client_id);
EXPECT_TRUE(process_snapshot.AnnotationsSimpleMap().empty());
}
TEST(ProcessSnapshotMinidump, AnnotationsSimpleMap) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MinidumpCrashpadInfo crashpad_info = {};
crashpad_info.version = MinidumpCrashpadInfo::kVersion;
std::map<std::string, std::string> dictionary;
dictionary["the first key"] = "THE FIRST VALUE EVER!";
dictionary["2key"] = "a lowly second value";
WriteMinidumpSimpleStringDictionary(
&crashpad_info.simple_annotations, &string_file, dictionary);
MINIDUMP_DIRECTORY crashpad_info_directory = {};
crashpad_info_directory.StreamType = kMinidumpStreamTypeCrashpadInfo;
crashpad_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_info, sizeof(crashpad_info)));
crashpad_info_directory.Location.DataSize = sizeof(crashpad_info);
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_info_directory,
sizeof(crashpad_info_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
UUID client_id;
process_snapshot.ClientID(&client_id);
EXPECT_EQ(client_id, UUID());
const auto annotations_simple_map = process_snapshot.AnnotationsSimpleMap();
EXPECT_EQ(annotations_simple_map, dictionary);
}
TEST(ProcessSnapshotMinidump, AnnotationObjects) {
StringFile string_file;
MINIDUMP_HEADER header{};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
std::vector<AnnotationSnapshot> annotations;
annotations.emplace_back(
AnnotationSnapshot("name 1", 0xBBBB, {'t', 'e', '\0', 's', 't', '\0'}));
annotations.emplace_back(
AnnotationSnapshot("name 2", 0xABBA, {0xF0, 0x9F, 0x92, 0x83}));
MINIDUMP_LOCATION_DESCRIPTOR location;
WriteMinidumpAnnotationList(&location, &string_file, annotations);
std::vector<AnnotationSnapshot> read_annotations;
EXPECT_TRUE(internal::ReadMinidumpAnnotationList(
&string_file, location, &read_annotations));
EXPECT_EQ(read_annotations, annotations);
}
TEST(ProcessSnapshotMinidump, Modules) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_MODULE minidump_module = {};
constexpr uint32_t minidump_module_count = 4;
RVA name_rvas[minidump_module_count];
std::string names[minidump_module_count] = {
"libtacotruck",
"libevidencebased",
"libgeorgism",
"librealistutopia",
};
minidump_module.BaseOfImage = 0xbadf00d;
minidump_module.SizeOfImage = 9001;
minidump_module.TimeDateStamp = 1970;
minidump_module.VersionInfo.dwFileVersionMS = 0xAABBCCDD;
minidump_module.VersionInfo.dwFileVersionLS = 0xEEFF4242;
minidump_module.VersionInfo.dwProductVersionMS = 0xAAAABBBB;
minidump_module.VersionInfo.dwProductVersionLS = 0xCCCCDDDD;
minidump_module.VersionInfo.dwFileType = VFT_APP;
for (uint32_t i = 0; i < minidump_module_count; i++) {
name_rvas[i] = static_cast<RVA>(string_file.SeekGet());
auto name16 = base::UTF8ToUTF16(names[i]);
uint32_t size =
base::checked_cast<uint32_t>(sizeof(name16[0]) * name16.size());
EXPECT_TRUE(string_file.Write(&size, sizeof(size)));
EXPECT_TRUE(string_file.Write(&name16[0], size));
}
CodeViewRecordPDB70 pdb70_cv;
pdb70_cv.signature = CodeViewRecordPDB70::kSignature;
pdb70_cv.age = 7;
pdb70_cv.uuid.InitializeFromString("00112233-4455-6677-8899-aabbccddeeff");
pdb70_cv.pdb_name[0] = '\0';
auto pdb70_loc = static_cast<RVA>(string_file.SeekGet());
auto pdb70_size = sizeof(pdb70_cv);
EXPECT_TRUE(string_file.Write(&pdb70_cv, sizeof(pdb70_cv)));
CodeViewRecordBuildID build_id_cv;
build_id_cv.signature = CodeViewRecordBuildID::kSignature;
auto build_id_cv_loc = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&build_id_cv,
offsetof(CodeViewRecordBuildID, build_id)));
EXPECT_TRUE(string_file.Write("atestbuildidbecausewhynot", 25));
auto build_id_cv_size =
static_cast<size_t>(string_file.SeekGet() - build_id_cv_loc);
MINIDUMP_DIRECTORY minidump_module_list_directory = {};
minidump_module_list_directory.StreamType = kMinidumpStreamTypeModuleList;
minidump_module_list_directory.Location.DataSize =
sizeof(MINIDUMP_MODULE_LIST) +
minidump_module_count * sizeof(MINIDUMP_MODULE);
minidump_module_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(
string_file.Write(&minidump_module_count, sizeof(minidump_module_count)));
for (uint32_t minidump_module_index = 0;
minidump_module_index < minidump_module_count;
++minidump_module_index) {
if (minidump_module_index % 2) {
minidump_module.CvRecord.Rva = pdb70_loc;
minidump_module.CvRecord.DataSize = static_cast<uint32_t>(pdb70_size);
} else {
minidump_module.CvRecord.Rva = build_id_cv_loc;
minidump_module.CvRecord.DataSize =
static_cast<uint32_t>(build_id_cv_size);
}
minidump_module.ModuleNameRva = name_rvas[minidump_module_index];
EXPECT_TRUE(string_file.Write(&minidump_module, sizeof(minidump_module)));
minidump_module.TimeDateStamp++;
}
MinidumpModuleCrashpadInfo crashpad_module_0 = {};
crashpad_module_0.version = MinidumpModuleCrashpadInfo::kVersion;
std::map<std::string, std::string> dictionary_0;
dictionary_0["ptype"] = "browser";
dictionary_0["pid"] = "12345";
WriteMinidumpSimpleStringDictionary(
&crashpad_module_0.simple_annotations, &string_file, dictionary_0);
MinidumpModuleCrashpadInfoLink crashpad_module_0_link = {};
crashpad_module_0_link.minidump_module_list_index = 0;
crashpad_module_0_link.location.DataSize = sizeof(crashpad_module_0);
crashpad_module_0_link.location.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_module_0, sizeof(crashpad_module_0)));
MinidumpModuleCrashpadInfo crashpad_module_2 = {};
crashpad_module_2.version = MinidumpModuleCrashpadInfo::kVersion;
std::map<std::string, std::string> dictionary_2;
dictionary_2["fakemodule"] = "yes";
WriteMinidumpSimpleStringDictionary(
&crashpad_module_2.simple_annotations, &string_file, dictionary_2);
std::vector<std::string> list_annotations_2;
list_annotations_2.push_back("first string");
list_annotations_2.push_back("last string");
WriteMinidumpStringList(
&crashpad_module_2.list_annotations, &string_file, list_annotations_2);
MinidumpModuleCrashpadInfoLink crashpad_module_2_link = {};
crashpad_module_2_link.minidump_module_list_index = 2;
crashpad_module_2_link.location.DataSize = sizeof(crashpad_module_2);
crashpad_module_2_link.location.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_module_2, sizeof(crashpad_module_2)));
MinidumpModuleCrashpadInfo crashpad_module_4 = {};
crashpad_module_4.version = MinidumpModuleCrashpadInfo::kVersion;
std::vector<AnnotationSnapshot> annotations_4{
{"first one", 0xBADE, {'a', 'b', 'c'}},
{"2", 0xEDD1, {0x11, 0x22, 0x33}},
{"threeeeee", 0xDADA, {'f'}},
};
WriteMinidumpAnnotationList(
&crashpad_module_4.annotation_objects, &string_file, annotations_4);
MinidumpModuleCrashpadInfoLink crashpad_module_4_link = {};
crashpad_module_4_link.minidump_module_list_index = 3;
crashpad_module_4_link.location.DataSize = sizeof(crashpad_module_4);
crashpad_module_4_link.location.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_module_4, sizeof(crashpad_module_4)));
MinidumpCrashpadInfo crashpad_info = {};
crashpad_info.version = MinidumpCrashpadInfo::kVersion;
uint32_t crashpad_module_count = 3;
crashpad_info.module_list.DataSize =
sizeof(MinidumpModuleCrashpadInfoList) +
crashpad_module_count * sizeof(MinidumpModuleCrashpadInfoLink);
crashpad_info.module_list.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(
string_file.Write(&crashpad_module_count, sizeof(crashpad_module_count)));
EXPECT_TRUE(string_file.Write(&crashpad_module_0_link,
sizeof(crashpad_module_0_link)));
EXPECT_TRUE(string_file.Write(&crashpad_module_2_link,
sizeof(crashpad_module_2_link)));
EXPECT_TRUE(string_file.Write(&crashpad_module_4_link,
sizeof(crashpad_module_4_link)));
MINIDUMP_DIRECTORY crashpad_info_directory = {};
crashpad_info_directory.StreamType = kMinidumpStreamTypeCrashpadInfo;
crashpad_info_directory.Location.DataSize = sizeof(crashpad_info);
crashpad_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&crashpad_info, sizeof(crashpad_info)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_module_list_directory,
sizeof(minidump_module_list_directory)));
EXPECT_TRUE(string_file.Write(&crashpad_info_directory,
sizeof(crashpad_info_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 2;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const ModuleSnapshot*> modules = process_snapshot.Modules();
ASSERT_EQ(modules.size(), minidump_module_count);
for (uint32_t i = 0; i < minidump_module_count; i++) {
EXPECT_EQ(modules[i]->Name(), names[i]);
EXPECT_EQ(modules[i]->Address(), 0xbadf00dU);
EXPECT_EQ(modules[i]->Size(), 9001U);
EXPECT_EQ(modules[i]->Timestamp(), static_cast<time_t>(1970U + i));
uint16_t v0;
uint16_t v1;
uint16_t v2;
uint16_t v3;
modules[i]->FileVersion(&v0, &v1, &v2, &v3);
EXPECT_EQ(v0, 0xAABBU);
EXPECT_EQ(v1, 0xCCDDU);
EXPECT_EQ(v2, 0xEEFFU);
EXPECT_EQ(v3, 0x4242U);
modules[i]->SourceVersion(&v0, &v1, &v2, &v3);
EXPECT_EQ(v0, 0xAAAAU);
EXPECT_EQ(v1, 0xBBBBU);
EXPECT_EQ(v2, 0xCCCCU);
EXPECT_EQ(v3, 0xDDDDU);
EXPECT_EQ(modules[i]->GetModuleType(),
ModuleSnapshot::kModuleTypeExecutable);
if (i % 2) {
uint32_t age;
UUID uuid;
modules[i]->UUIDAndAge(&uuid, &age);
EXPECT_EQ(uuid.ToString(), "00112233-4455-6677-8899-aabbccddeeff");
EXPECT_EQ(age, 7U);
} else {
auto build_id = modules[i]->BuildID();
std::string build_id_text(build_id.data(),
build_id.data() + build_id.size());
EXPECT_EQ(build_id_text, "atestbuildidbecausewhynot");
}
}
auto annotations_simple_map = modules[0]->AnnotationsSimpleMap();
EXPECT_EQ(annotations_simple_map, dictionary_0);
auto annotations_vector = modules[0]->AnnotationsVector();
EXPECT_TRUE(annotations_vector.empty());
annotations_simple_map = modules[1]->AnnotationsSimpleMap();
EXPECT_TRUE(annotations_simple_map.empty());
annotations_vector = modules[1]->AnnotationsVector();
EXPECT_TRUE(annotations_vector.empty());
annotations_simple_map = modules[2]->AnnotationsSimpleMap();
EXPECT_EQ(annotations_simple_map, dictionary_2);
annotations_vector = modules[2]->AnnotationsVector();
EXPECT_EQ(annotations_vector, list_annotations_2);
auto annotation_objects = modules[3]->AnnotationObjects();
EXPECT_EQ(annotation_objects, annotations_4);
}
TEST(ProcessSnapshotMinidump, ProcessID) {
StringFile string_file;
MINIDUMP_HEADER header = {};
ASSERT_TRUE(string_file.Write(&header, sizeof(header)));
static const pid_t kTestProcessId = 42;
MINIDUMP_MISC_INFO misc_info = {};
misc_info.SizeOfInfo = sizeof(misc_info);
misc_info.Flags1 = MINIDUMP_MISC1_PROCESS_ID;
misc_info.ProcessId = kTestProcessId;
MINIDUMP_DIRECTORY misc_directory = {};
misc_directory.StreamType = kMinidumpStreamTypeMiscInfo;
misc_directory.Location.DataSize = sizeof(misc_info);
misc_directory.Location.Rva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&misc_info, sizeof(misc_info)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&misc_directory, sizeof(misc_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
ASSERT_TRUE(string_file.SeekSet(0));
ASSERT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
ASSERT_TRUE(process_snapshot.Initialize(&string_file));
EXPECT_EQ(process_snapshot.ProcessID(), kTestProcessId);
}
TEST(ProcessSnapshotMinidump, Threads) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_THREAD minidump_thread = {};
uint32_t minidump_thread_count = 4;
minidump_thread.ThreadId = 42;
minidump_thread.Teb = 24;
MINIDUMP_DIRECTORY minidump_thread_list_directory = {};
minidump_thread_list_directory.StreamType = kMinidumpStreamTypeThreadList;
minidump_thread_list_directory.Location.DataSize =
sizeof(MINIDUMP_THREAD_LIST) +
minidump_thread_count * sizeof(MINIDUMP_THREAD);
minidump_thread_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
// Fields in MINIDUMP_THREAD_LIST.
EXPECT_TRUE(
string_file.Write(&minidump_thread_count, sizeof(minidump_thread_count)));
for (uint32_t minidump_thread_index = 0;
minidump_thread_index < minidump_thread_count;
++minidump_thread_index) {
EXPECT_TRUE(string_file.Write(&minidump_thread, sizeof(minidump_thread)));
minidump_thread.ThreadId++;
}
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_thread_list_directory,
sizeof(minidump_thread_list_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const ThreadSnapshot*> threads = process_snapshot.Threads();
ASSERT_EQ(threads.size(), minidump_thread_count);
uint32_t thread_id = 42;
for (const auto& thread : threads) {
EXPECT_EQ(thread->ThreadID(), thread_id);
EXPECT_EQ(thread->ThreadSpecificDataAddress(), 24UL);
thread_id++;
}
}
TEST(ProcessSnapshotMinidump, System) {
const char* cpu_info = "GenuineIntel";
const uint32_t* cpu_info_bytes = reinterpret_cast<const uint32_t*>(cpu_info);
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_SYSTEM_INFO minidump_system_info = {};
minidump_system_info.ProcessorArchitecture = kMinidumpCPUArchitectureX86;
minidump_system_info.ProcessorLevel = 3;
minidump_system_info.ProcessorRevision = 3;
minidump_system_info.NumberOfProcessors = 8;
minidump_system_info.ProductType = kMinidumpOSTypeServer;
minidump_system_info.PlatformId = kMinidumpOSFuchsia;
minidump_system_info.MajorVersion = 3;
minidump_system_info.MinorVersion = 4;
minidump_system_info.BuildNumber = 56;
minidump_system_info.CSDVersionRva = WriteString(&string_file, "Snazzle");
minidump_system_info.Cpu.X86CpuInfo.VendorId[0] = cpu_info_bytes[0];
minidump_system_info.Cpu.X86CpuInfo.VendorId[1] = cpu_info_bytes[1];
minidump_system_info.Cpu.X86CpuInfo.VendorId[2] = cpu_info_bytes[2];
MINIDUMP_DIRECTORY minidump_system_info_directory = {};
minidump_system_info_directory.StreamType = kMinidumpStreamTypeSystemInfo;
minidump_system_info_directory.Location.DataSize =
sizeof(MINIDUMP_SYSTEM_INFO);
minidump_system_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(&minidump_system_info, sizeof(minidump_system_info)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_system_info_directory,
sizeof(minidump_system_info_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
const SystemSnapshot* s = process_snapshot.System();
EXPECT_EQ(s->GetCPUArchitecture(), kCPUArchitectureX86);
EXPECT_EQ(s->CPURevision(), 3UL);
EXPECT_EQ(s->CPUVendor(), "GenuineIntel");
EXPECT_EQ(s->GetOperatingSystem(),
SystemSnapshot::OperatingSystem::kOperatingSystemFuchsia);
int major, minor, bugfix;
std::string build;
s->OSVersion(&major, &minor, &bugfix, &build);
EXPECT_EQ(major, 3);
EXPECT_EQ(minor, 4);
EXPECT_EQ(bugfix, 56);
EXPECT_EQ(build, "Snazzle");
}
TEST(ProcessSnapshotMinidump, ThreadContextARM64) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_SYSTEM_INFO minidump_system_info = {};
minidump_system_info.ProcessorArchitecture = kMinidumpCPUArchitectureARM64;
minidump_system_info.ProductType = kMinidumpOSTypeServer;
minidump_system_info.PlatformId = kMinidumpOSFuchsia;
minidump_system_info.CSDVersionRva = WriteString(&string_file, "");
MINIDUMP_DIRECTORY minidump_system_info_directory = {};
minidump_system_info_directory.StreamType = kMinidumpStreamTypeSystemInfo;
minidump_system_info_directory.Location.DataSize =
sizeof(MINIDUMP_SYSTEM_INFO);
minidump_system_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(&minidump_system_info, sizeof(minidump_system_info)));
MINIDUMP_THREAD minidump_thread = {};
uint32_t minidump_thread_count = 1;
minidump_thread.ThreadId = 42;
minidump_thread.Teb = 24;
MinidumpContextARM64 minidump_context;
minidump_context.context_flags = kMinidumpContextARM64Full;
minidump_context.cpsr = 0;
for (int i = 0; i < 29; i++) {
minidump_context.regs[i] = i + 1;
}
minidump_context.fp = 30;
minidump_context.lr = 31;
minidump_context.sp = 32;
minidump_context.pc = 33;
for (int i = 0; i < 32; i++) {
minidump_context.fpsimd[i].lo = i * 2 + 34;
minidump_context.fpsimd[i].hi = i * 2 + 35;
}
minidump_context.fpcr = 98;
minidump_context.fpsr = 99;
for (int i = 0; i < 8; i++) {
minidump_context.bcr[i] = i * 2 + 100;
minidump_context.bvr[i] = i * 2 + 101;
}
for (int i = 0; i < 2; i++) {
minidump_context.wcr[i] = i * 2 + 115;
minidump_context.wvr[i] = i * 2 + 116;
}
minidump_thread.ThreadContext.DataSize = sizeof(minidump_context);
minidump_thread.ThreadContext.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_context, sizeof(minidump_context)));
MINIDUMP_DIRECTORY minidump_thread_list_directory = {};
minidump_thread_list_directory.StreamType = kMinidumpStreamTypeThreadList;
minidump_thread_list_directory.Location.DataSize =
sizeof(MINIDUMP_THREAD_LIST) +
minidump_thread_count * sizeof(MINIDUMP_THREAD);
minidump_thread_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
// Fields in MINIDUMP_THREAD_LIST.
EXPECT_TRUE(
string_file.Write(&minidump_thread_count, sizeof(minidump_thread_count)));
EXPECT_TRUE(string_file.Write(&minidump_thread, sizeof(minidump_thread)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_system_info_directory,
sizeof(minidump_system_info_directory)));
ASSERT_TRUE(string_file.Write(&minidump_thread_list_directory,
sizeof(minidump_thread_list_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 2;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const ThreadSnapshot*> threads = process_snapshot.Threads();
ASSERT_EQ(threads.size(), minidump_thread_count);
const CPUContext* ctx_generic = threads[0]->Context();
ASSERT_EQ(ctx_generic->architecture, CPUArchitecture::kCPUArchitectureARM64);
const CPUContextARM64* ctx = ctx_generic->arm64;
EXPECT_EQ(ctx->spsr, 0UL);
for (unsigned int i = 0; i < 31; i++) {
EXPECT_EQ(ctx->regs[i], i + 1);
}
EXPECT_EQ(ctx->sp, 32UL);
EXPECT_EQ(ctx->pc, 33UL);
EXPECT_EQ(ctx->fpcr, 98UL);
EXPECT_EQ(ctx->fpsr, 99UL);
for (unsigned int i = 0; i < 32; i++) {
EXPECT_EQ(ctx->fpsimd[i].lo, i * 2 + 34);
EXPECT_EQ(ctx->fpsimd[i].hi, i * 2 + 35);
}
}
TEST(ProcessSnapshotMinidump, ThreadContextX86_64) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_SYSTEM_INFO minidump_system_info = {};
minidump_system_info.ProcessorArchitecture = kMinidumpCPUArchitectureAMD64;
minidump_system_info.ProductType = kMinidumpOSTypeServer;
minidump_system_info.PlatformId = kMinidumpOSFuchsia;
minidump_system_info.CSDVersionRva = WriteString(&string_file, "");
MINIDUMP_DIRECTORY minidump_system_info_directory = {};
minidump_system_info_directory.StreamType = kMinidumpStreamTypeSystemInfo;
minidump_system_info_directory.Location.DataSize =
sizeof(MINIDUMP_SYSTEM_INFO);
minidump_system_info_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(&minidump_system_info, sizeof(minidump_system_info)));
MINIDUMP_THREAD minidump_thread = {};
uint32_t minidump_thread_count = 1;
minidump_thread.ThreadId = 42;
minidump_thread.Teb = 24;
MinidumpContextAMD64 minidump_context;
minidump_context.context_flags = kMinidumpContextAMD64Full;
minidump_context.mx_csr = 0;
minidump_context.cs = 1;
minidump_context.ds = 2;
minidump_context.es = 3;
minidump_context.fs = 4;
minidump_context.gs = 5;
minidump_context.ss = 6;
minidump_context.eflags = 7;
minidump_context.dr0 = 8;
minidump_context.dr1 = 9;
minidump_context.dr2 = 10;
minidump_context.dr3 = 11;
minidump_context.dr6 = 12;
minidump_context.dr7 = 13;
minidump_context.rax = 14;
minidump_context.rcx = 15;
minidump_context.rdx = 16;
minidump_context.rbx = 17;
minidump_context.rsp = 18;
minidump_context.rbp = 19;
minidump_context.rsi = 20;
minidump_context.rdi = 21;
minidump_context.r8 = 22;
minidump_context.r9 = 23;
minidump_context.r10 = 24;
minidump_context.r11 = 25;
minidump_context.r12 = 26;
minidump_context.r13 = 27;
minidump_context.r14 = 28;
minidump_context.r15 = 29;
minidump_context.rip = 30;
minidump_context.vector_control = 31;
minidump_context.debug_control = 32;
minidump_context.last_branch_to_rip = 33;
minidump_context.last_branch_from_rip = 34;
minidump_context.last_exception_to_rip = 35;
minidump_context.last_exception_from_rip = 36;
minidump_context.fxsave.fcw = 37;
minidump_context.fxsave.fsw = 38;
minidump_context.fxsave.ftw = 39;
minidump_context.fxsave.reserved_1 = 40;
minidump_context.fxsave.fop = 41;
minidump_context.fxsave.fpu_ip_64 = 42;
minidump_context.fxsave.fpu_dp_64 = 43;
for (size_t i = 0; i < base::size(minidump_context.vector_register); i++) {
minidump_context.vector_register[i].lo = i * 2 + 44;
minidump_context.vector_register[i].hi = i * 2 + 45;
}
for (uint8_t i = 0; i < base::size(minidump_context.fxsave.reserved_4); i++) {
minidump_context.fxsave.reserved_4[i] = i * 2 + 115;
minidump_context.fxsave.available[i] = i * 2 + 116;
}
for (size_t i = 0; i < base::size(minidump_context.fxsave.st_mm); i++) {
for (uint8_t j = 0;
j < base::size(minidump_context.fxsave.st_mm[0].mm_value);
j++) {
minidump_context.fxsave.st_mm[i].mm_value[j] = j + 1;
minidump_context.fxsave.st_mm[i].mm_reserved[j] = j + 1;
}
}
for (size_t i = 0; i < base::size(minidump_context.fxsave.xmm); i++) {
for (uint8_t j = 0; j < base::size(minidump_context.fxsave.xmm[0]); j++) {
minidump_context.fxsave.xmm[i][j] = j + 1;
}
}
minidump_thread.ThreadContext.DataSize = sizeof(minidump_context);
minidump_thread.ThreadContext.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_context, sizeof(minidump_context)));
MINIDUMP_DIRECTORY minidump_thread_list_directory = {};
minidump_thread_list_directory.StreamType = kMinidumpStreamTypeThreadList;
minidump_thread_list_directory.Location.DataSize =
sizeof(MINIDUMP_THREAD_LIST) +
minidump_thread_count * sizeof(MINIDUMP_THREAD);
minidump_thread_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
// Fields in MINIDUMP_THREAD_LIST.
EXPECT_TRUE(
string_file.Write(&minidump_thread_count, sizeof(minidump_thread_count)));
EXPECT_TRUE(string_file.Write(&minidump_thread, sizeof(minidump_thread)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_system_info_directory,
sizeof(minidump_system_info_directory)));
ASSERT_TRUE(string_file.Write(&minidump_thread_list_directory,
sizeof(minidump_thread_list_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 2;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const ThreadSnapshot*> threads = process_snapshot.Threads();
ASSERT_EQ(threads.size(), minidump_thread_count);
const CPUContext* ctx_generic = threads[0]->Context();
ASSERT_EQ(ctx_generic->architecture, CPUArchitecture::kCPUArchitectureX86_64);
const CPUContextX86_64* ctx = ctx_generic->x86_64;
EXPECT_EQ(ctx->cs, 1);
EXPECT_EQ(ctx->fs, 4);
EXPECT_EQ(ctx->gs, 5);
EXPECT_EQ(ctx->rflags, 7UL);
EXPECT_EQ(ctx->dr0, 8UL);
EXPECT_EQ(ctx->dr1, 9U);
EXPECT_EQ(ctx->dr2, 10U);
EXPECT_EQ(ctx->dr3, 11U);
EXPECT_EQ(ctx->dr4, 12U);
EXPECT_EQ(ctx->dr5, 13U);
EXPECT_EQ(ctx->dr6, 12U);
EXPECT_EQ(ctx->dr7, 13U);
EXPECT_EQ(ctx->rax, 14U);
EXPECT_EQ(ctx->rcx, 15U);
EXPECT_EQ(ctx->rdx, 16U);
EXPECT_EQ(ctx->rbx, 17U);
EXPECT_EQ(ctx->rsp, 18U);
EXPECT_EQ(ctx->rbp, 19U);
EXPECT_EQ(ctx->rsi, 20U);
EXPECT_EQ(ctx->rdi, 21U);
EXPECT_EQ(ctx->r8, 22U);
EXPECT_EQ(ctx->r9, 23U);
EXPECT_EQ(ctx->r10, 24U);
EXPECT_EQ(ctx->r11, 25U);
EXPECT_EQ(ctx->r12, 26U);
EXPECT_EQ(ctx->r13, 27U);
EXPECT_EQ(ctx->r14, 28U);
EXPECT_EQ(ctx->r15, 29U);
EXPECT_EQ(ctx->rip, 30U);
EXPECT_EQ(ctx->fxsave.fcw, 37U);
EXPECT_EQ(ctx->fxsave.fsw, 38U);
EXPECT_EQ(ctx->fxsave.ftw, 39U);
EXPECT_EQ(ctx->fxsave.reserved_1, 40U);
EXPECT_EQ(ctx->fxsave.fop, 41U);
EXPECT_EQ(ctx->fxsave.fpu_ip_64, 42U);
EXPECT_EQ(ctx->fxsave.fpu_dp_64, 43U);
for (uint8_t i = 0; i < base::size(ctx->fxsave.reserved_4); i++) {
EXPECT_EQ(ctx->fxsave.reserved_4[i], i * 2 + 115);
EXPECT_EQ(ctx->fxsave.available[i], i * 2 + 116);
}
for (size_t i = 0; i < base::size(ctx->fxsave.st_mm); i++) {
for (uint8_t j = 0; j < base::size(ctx->fxsave.st_mm[0].mm_value); j++) {
EXPECT_EQ(ctx->fxsave.st_mm[i].mm_value[j], j + 1);
EXPECT_EQ(ctx->fxsave.st_mm[i].mm_reserved[j], j + 1);
}
}
for (size_t i = 0; i < base::size(ctx->fxsave.xmm); i++) {
for (uint8_t j = 0; j < base::size(ctx->fxsave.xmm[0]); j++) {
EXPECT_EQ(ctx->fxsave.xmm[i][j], j + 1);
}
}
}
TEST(ProcessSnapshotMinidump, MemoryMap) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_MEMORY_INFO minidump_memory_info_1 = {};
MINIDUMP_MEMORY_INFO minidump_memory_info_2 = {};
uint32_t minidump_memory_info_count = 2;
minidump_memory_info_1.BaseAddress = 1;
minidump_memory_info_1.AllocationBase = 2;
minidump_memory_info_1.AllocationProtect = 3;
minidump_memory_info_1.RegionSize = 4;
minidump_memory_info_1.State = 5;
minidump_memory_info_1.Protect = 6;
minidump_memory_info_1.Type = 6;
minidump_memory_info_2.BaseAddress = 7;
minidump_memory_info_2.AllocationBase = 8;
minidump_memory_info_2.AllocationProtect = 9;
minidump_memory_info_2.RegionSize = 10;
minidump_memory_info_2.State = 11;
minidump_memory_info_2.Protect = 12;
minidump_memory_info_2.Type = 13;
MINIDUMP_MEMORY_INFO_LIST minidump_memory_info_list = {};
minidump_memory_info_list.SizeOfHeader = sizeof(minidump_memory_info_list);
minidump_memory_info_list.SizeOfEntry = sizeof(MINIDUMP_MEMORY_INFO);
minidump_memory_info_list.NumberOfEntries = minidump_memory_info_count;
MINIDUMP_DIRECTORY minidump_memory_info_list_directory = {};
minidump_memory_info_list_directory.StreamType =
kMinidumpStreamTypeMemoryInfoList;
minidump_memory_info_list_directory.Location.DataSize =
sizeof(minidump_memory_info_list) +
minidump_memory_info_count * sizeof(MINIDUMP_MEMORY_INFO);
minidump_memory_info_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_memory_info_list,
sizeof(minidump_memory_info_list)));
EXPECT_TRUE(string_file.Write(&minidump_memory_info_1,
sizeof(minidump_memory_info_1)));
EXPECT_TRUE(string_file.Write(&minidump_memory_info_2,
sizeof(minidump_memory_info_2)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(&minidump_memory_info_list_directory,
sizeof(minidump_memory_info_list_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const MemoryMapRegionSnapshot*> map =
process_snapshot.MemoryMap();
ASSERT_EQ(map.size(), minidump_memory_info_count);
EXPECT_EQ(memcmp(&map[0]->AsMinidumpMemoryInfo(),
&minidump_memory_info_1,
sizeof(minidump_memory_info_1)),
0);
EXPECT_EQ(memcmp(&map[1]->AsMinidumpMemoryInfo(),
&minidump_memory_info_2,
sizeof(minidump_memory_info_2)),
0);
}
TEST(ProcessSnapshotMinidump, Stacks) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
MINIDUMP_THREAD minidump_thread = {};
uint32_t minidump_thread_count = 1;
minidump_thread.ThreadId = 42;
minidump_thread.Stack.StartOfMemoryRange = 0xbeefd00d;
std::vector<uint8_t> minidump_stack = {'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'a',
'b',
'c',
'd',
'e',
'f'};
minidump_thread.Stack.Memory.DataSize =
base::checked_cast<uint32_t>(minidump_stack.size());
minidump_thread.Stack.Memory.Rva = static_cast<RVA>(string_file.SeekGet());
EXPECT_TRUE(string_file.Write(minidump_stack.data(), minidump_stack.size()));
MINIDUMP_DIRECTORY minidump_thread_list_directory = {};
minidump_thread_list_directory.StreamType = kMinidumpStreamTypeThreadList;
minidump_thread_list_directory.Location.DataSize =
sizeof(MINIDUMP_THREAD_LIST) +
minidump_thread_count * sizeof(MINIDUMP_THREAD);
minidump_thread_list_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
// Fields in MINIDUMP_THREAD_LIST.
EXPECT_TRUE(
string_file.Write(&minidump_thread_count, sizeof(minidump_thread_count)));
EXPECT_TRUE(string_file.Write(&minidump_thread, sizeof(minidump_thread)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_thread_list_directory,
sizeof(minidump_thread_list_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
std::vector<const ThreadSnapshot*> threads = process_snapshot.Threads();
ASSERT_EQ(threads.size(), minidump_thread_count);
ReadToVector delegate;
threads[0]->Stack()->Read(&delegate);
EXPECT_EQ(delegate.result, minidump_stack);
}
TEST(ProcessSnapshotMinidump, CustomMinidumpStreams) {
StringFile string_file;
MINIDUMP_HEADER header = {};
ASSERT_TRUE(string_file.Write(&header, sizeof(header)));
static const char kStreamReservedData[] = "A string";
static const char kStreamUnreservedData[] = "Another string";
// In the minidump reserved range
constexpr MinidumpStreamType kStreamTypeReserved1 =
(MinidumpStreamType)0x1111;
// In the crashpad reserved range
constexpr MinidumpStreamType kStreamTypeReserved2 =
(MinidumpStreamType)0x43501111;
constexpr MinidumpStreamType kStreamTypeUnreserved =
(MinidumpStreamType)0xffffffff;
MINIDUMP_DIRECTORY misc_directory = {};
RVA reserved1_offset = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(kStreamReservedData, sizeof(kStreamReservedData)));
RVA reserved2_offset = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(kStreamReservedData, sizeof(kStreamReservedData)));
RVA unreserved_offset = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(
string_file.Write(kStreamUnreservedData, sizeof(kStreamUnreservedData)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
misc_directory.StreamType = kStreamTypeReserved1;
misc_directory.Location.DataSize = sizeof(kStreamReservedData);
misc_directory.Location.Rva = reserved1_offset;
ASSERT_TRUE(string_file.Write(&misc_directory, sizeof(misc_directory)));
misc_directory.StreamType = kStreamTypeReserved2;
misc_directory.Location.DataSize = sizeof(kStreamReservedData);
misc_directory.Location.Rva = reserved2_offset;
ASSERT_TRUE(string_file.Write(&misc_directory, sizeof(misc_directory)));
misc_directory.StreamType = kStreamTypeUnreserved;
misc_directory.Location.DataSize = sizeof(kStreamUnreservedData);
misc_directory.Location.Rva = unreserved_offset;
ASSERT_TRUE(string_file.Write(&misc_directory, sizeof(misc_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 3;
ASSERT_TRUE(string_file.SeekSet(0));
ASSERT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
ASSERT_TRUE(process_snapshot.Initialize(&string_file));
auto custom_streams = process_snapshot.CustomMinidumpStreams();
ASSERT_EQ(custom_streams.size(), 1U);
EXPECT_EQ(custom_streams[0]->stream_type(), (uint32_t)kStreamTypeUnreserved);
auto stream_data = custom_streams[0]->data();
EXPECT_EQ(stream_data.size(), sizeof(kStreamUnreservedData));
EXPECT_STREQ((char*)&stream_data.front(), kStreamUnreservedData);
}
TEST(ProcessSnapshotMinidump, Exception) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
uint32_t exception_signo =
static_cast<uint32_t>(-1); // crashpad::Signals::kSimulatedSigno
MINIDUMP_EXCEPTION minidump_exception = {};
minidump_exception.ExceptionCode = exception_signo;
minidump_exception.ExceptionFlags = 2;
minidump_exception.ExceptionRecord = 4;
minidump_exception.ExceptionAddress = 0xdeedb00f;
minidump_exception.NumberParameters = 2;
minidump_exception.ExceptionInformation[0] = 51;
minidump_exception.ExceptionInformation[1] = 62;
MINIDUMP_EXCEPTION_STREAM minidump_exception_stream = {};
minidump_exception_stream.ThreadId = 5;
minidump_exception_stream.ExceptionRecord = minidump_exception;
MINIDUMP_DIRECTORY minidump_exception_directory = {};
minidump_exception_directory.StreamType = kMinidumpStreamTypeException;
minidump_exception_directory.Location.DataSize =
sizeof(MINIDUMP_EXCEPTION_STREAM);
minidump_exception_directory.Location.Rva =
static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_exception_stream,
sizeof(minidump_exception_stream)));
header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
ASSERT_TRUE(string_file.Write(&minidump_exception_directory,
sizeof(minidump_exception_directory)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 1;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
const ExceptionSnapshot* s = process_snapshot.Exception();
EXPECT_EQ(s->ThreadID(), 5UL);
EXPECT_EQ(s->Exception(), exception_signo);
EXPECT_EQ(s->ExceptionInfo(), 2U);
EXPECT_EQ(s->ExceptionAddress(), 0xdeedb00f);
const std::vector<uint64_t> codes = s->Codes();
EXPECT_EQ(codes.size(), 2UL);
EXPECT_EQ(codes[0], 51UL);
EXPECT_EQ(codes[1], 62UL);
}
TEST(ProcessSnapshotMinidump, NoExceptionInMinidump) {
StringFile string_file;
MINIDUMP_HEADER header = {};
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
header.Signature = MINIDUMP_SIGNATURE;
header.Version = MINIDUMP_VERSION;
header.NumberOfStreams = 0;
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
ProcessSnapshotMinidump process_snapshot;
EXPECT_TRUE(process_snapshot.Initialize(&string_file));
const ExceptionSnapshot* s = process_snapshot.Exception();
EXPECT_EQ(s, nullptr);
}
} // namespace
} // namespace test
} // namespace crashpad