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crashpad/minidump/minidump_thread_writer_test.cc
Avi Drissman c8a016b99d Remove base's arraysize from Crashpad. 
BUG=837308
R=mark@chromium.org

Change-Id: Ibecbfc7bc2d61ee54bc1114e4b20978adbc77db2
Reviewed-on: https://chromium-review.googlesource.com/c/1393921
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
2019-01-03 19:44:15 +00:00

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// Copyright 2014 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 "minidump/minidump_thread_writer.h"
#include <string>
#include <utility>
#include "base/compiler_specific.h"
#include "base/format_macros.h"
#include "base/strings/stringprintf.h"
#include "gtest/gtest.h"
#include "minidump/minidump_context_writer.h"
#include "minidump/minidump_file_writer.h"
#include "minidump/minidump_memory_writer.h"
#include "minidump/test/minidump_context_test_util.h"
#include "minidump/test/minidump_file_writer_test_util.h"
#include "minidump/test/minidump_memory_writer_test_util.h"
#include "minidump/test/minidump_writable_test_util.h"
#include "snapshot/test/test_cpu_context.h"
#include "snapshot/test/test_memory_snapshot.h"
#include "snapshot/test/test_thread_snapshot.h"
#include "test/gtest_death.h"
#include "util/file/string_file.h"
#include "util/misc/arraysize.h"
namespace crashpad {
namespace test {
namespace {
// This returns the MINIDUMP_THREAD_LIST stream in |thread_list|. If
// |memory_list| is not nullptr, a MINIDUMP_MEMORY_LIST stream is also expected
// in |file_contents|, and that stream will be returned in |memory_list|.
void GetThreadListStream(const std::string& file_contents,
const MINIDUMP_THREAD_LIST** thread_list,
const MINIDUMP_MEMORY_LIST** memory_list) {
constexpr size_t kDirectoryOffset = sizeof(MINIDUMP_HEADER);
const uint32_t kExpectedStreams = memory_list ? 2 : 1;
const size_t kThreadListStreamOffset =
kDirectoryOffset + kExpectedStreams * sizeof(MINIDUMP_DIRECTORY);
const size_t kThreadsOffset =
kThreadListStreamOffset + sizeof(MINIDUMP_THREAD_LIST);
ASSERT_GE(file_contents.size(), kThreadsOffset);
const MINIDUMP_DIRECTORY* directory;
const MINIDUMP_HEADER* header =
MinidumpHeaderAtStart(file_contents, &directory);
ASSERT_NO_FATAL_FAILURE(VerifyMinidumpHeader(header, kExpectedStreams, 0));
ASSERT_TRUE(directory);
ASSERT_EQ(directory[0].StreamType, kMinidumpStreamTypeThreadList);
EXPECT_EQ(directory[0].Location.Rva, kThreadListStreamOffset);
*thread_list = MinidumpWritableAtLocationDescriptor<MINIDUMP_THREAD_LIST>(
file_contents, directory[0].Location);
ASSERT_TRUE(thread_list);
if (memory_list) {
ASSERT_EQ(directory[1].StreamType, kMinidumpStreamTypeMemoryList);
*memory_list = MinidumpWritableAtLocationDescriptor<MINIDUMP_MEMORY_LIST>(
file_contents, directory[1].Location);
ASSERT_TRUE(*memory_list);
}
}
TEST(MinidumpThreadWriter, EmptyThreadList) {
MinidumpFileWriter minidump_file_writer;
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_THREAD_LIST));
const MINIDUMP_THREAD_LIST* thread_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetThreadListStream(string_file.string(), &thread_list, nullptr));
EXPECT_EQ(thread_list->NumberOfThreads, 0u);
}
// The MINIDUMP_THREADs |expected| and |observed| are compared against each
// other using gtest assertions. If |stack| is not nullptr, |observed| is
// expected to contain a populated MINIDUMP_MEMORY_DESCRIPTOR in its Stack
// field, otherwise, its Stack field is expected to be zeroed out. The memory
// descriptor will be placed in |stack|. |observed| must contain a populated
// ThreadContext field. The context will be recovered from |file_contents| and
// stored in |context_base|.
void ExpectThread(const MINIDUMP_THREAD* expected,
const MINIDUMP_THREAD* observed,
const std::string& file_contents,
const MINIDUMP_MEMORY_DESCRIPTOR** stack,
const void** context_base) {
EXPECT_EQ(observed->ThreadId, expected->ThreadId);
EXPECT_EQ(observed->SuspendCount, expected->SuspendCount);
EXPECT_EQ(observed->PriorityClass, expected->PriorityClass);
EXPECT_EQ(observed->Priority, expected->Priority);
EXPECT_EQ(observed->Teb, expected->Teb);
EXPECT_EQ(observed->Stack.StartOfMemoryRange,
expected->Stack.StartOfMemoryRange);
EXPECT_EQ(observed->Stack.Memory.DataSize, expected->Stack.Memory.DataSize);
if (stack) {
ASSERT_NE(observed->Stack.Memory.DataSize, 0u);
ASSERT_NE(observed->Stack.Memory.Rva, 0u);
ASSERT_GE(file_contents.size(),
observed->Stack.Memory.Rva + observed->Stack.Memory.DataSize);
*stack = &observed->Stack;
} else {
EXPECT_EQ(observed->Stack.StartOfMemoryRange, 0u);
EXPECT_EQ(observed->Stack.Memory.DataSize, 0u);
EXPECT_EQ(observed->Stack.Memory.Rva, 0u);
}
EXPECT_EQ(observed->ThreadContext.DataSize, expected->ThreadContext.DataSize);
ASSERT_NE(observed->ThreadContext.DataSize, 0u);
ASSERT_NE(observed->ThreadContext.Rva, 0u);
ASSERT_GE(file_contents.size(),
observed->ThreadContext.Rva + expected->ThreadContext.DataSize);
*context_base = &file_contents[observed->ThreadContext.Rva];
}
TEST(MinidumpThreadWriter, OneThread_x86_NoStack) {
MinidumpFileWriter minidump_file_writer;
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
constexpr uint32_t kThreadID = 0x11111111;
constexpr uint32_t kSuspendCount = 1;
constexpr uint32_t kPriorityClass = 0x20;
constexpr uint32_t kPriority = 10;
constexpr uint64_t kTEB = 0x55555555;
constexpr uint32_t kSeed = 123;
auto thread_writer = std::make_unique<MinidumpThreadWriter>();
thread_writer->SetThreadID(kThreadID);
thread_writer->SetSuspendCount(kSuspendCount);
thread_writer->SetPriorityClass(kPriorityClass);
thread_writer->SetPriority(kPriority);
thread_writer->SetTEB(kTEB);
auto context_x86_writer = std::make_unique<MinidumpContextX86Writer>();
InitializeMinidumpContextX86(context_x86_writer->context(), kSeed);
thread_writer->SetContext(std::move(context_x86_writer));
thread_list_writer->AddThread(std::move(thread_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_THREAD_LIST) + 1 * sizeof(MINIDUMP_THREAD) +
1 * sizeof(MinidumpContextX86));
const MINIDUMP_THREAD_LIST* thread_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetThreadListStream(string_file.string(), &thread_list, nullptr));
EXPECT_EQ(thread_list->NumberOfThreads, 1u);
MINIDUMP_THREAD expected = {};
expected.ThreadId = kThreadID;
expected.SuspendCount = kSuspendCount;
expected.PriorityClass = kPriorityClass;
expected.Priority = kPriority;
expected.Teb = kTEB;
expected.ThreadContext.DataSize = sizeof(MinidumpContextX86);
const MinidumpContextX86* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expected,
&thread_list->Threads[0],
string_file.string(),
nullptr,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpContextX86(kSeed, observed_context, false));
}
TEST(MinidumpThreadWriter, OneThread_AMD64_Stack) {
MinidumpFileWriter minidump_file_writer;
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
constexpr uint32_t kThreadID = 0x22222222;
constexpr uint32_t kSuspendCount = 2;
constexpr uint32_t kPriorityClass = 0x30;
constexpr uint32_t kPriority = 20;
constexpr uint64_t kTEB = 0x5555555555555555;
constexpr uint64_t kMemoryBase = 0x765432100000;
constexpr size_t kMemorySize = 32;
constexpr uint8_t kMemoryValue = 99;
constexpr uint32_t kSeed = 456;
auto thread_writer = std::make_unique<MinidumpThreadWriter>();
thread_writer->SetThreadID(kThreadID);
thread_writer->SetSuspendCount(kSuspendCount);
thread_writer->SetPriorityClass(kPriorityClass);
thread_writer->SetPriority(kPriority);
thread_writer->SetTEB(kTEB);
auto memory_writer = std::make_unique<TestMinidumpMemoryWriter>(
kMemoryBase, kMemorySize, kMemoryValue);
thread_writer->SetStack(std::move(memory_writer));
auto context_amd64_writer = std::make_unique<MinidumpContextAMD64Writer>();
InitializeMinidumpContextAMD64(context_amd64_writer->context(), kSeed);
thread_writer->SetContext(std::move(context_amd64_writer));
thread_list_writer->AddThread(std::move(thread_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_THREAD_LIST) + 1 * sizeof(MINIDUMP_THREAD) +
1 * sizeof(MinidumpContextAMD64) + kMemorySize);
const MINIDUMP_THREAD_LIST* thread_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetThreadListStream(string_file.string(), &thread_list, nullptr));
EXPECT_EQ(thread_list->NumberOfThreads, 1u);
MINIDUMP_THREAD expected = {};
expected.ThreadId = kThreadID;
expected.SuspendCount = kSuspendCount;
expected.PriorityClass = kPriorityClass;
expected.Priority = kPriority;
expected.Teb = kTEB;
expected.Stack.StartOfMemoryRange = kMemoryBase;
expected.Stack.Memory.DataSize = kMemorySize;
expected.ThreadContext.DataSize = sizeof(MinidumpContextAMD64);
const MINIDUMP_MEMORY_DESCRIPTOR* observed_stack = nullptr;
const MinidumpContextAMD64* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expected,
&thread_list->Threads[0],
string_file.string(),
&observed_stack,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpMemoryDescriptorAndContents(&expected.Stack,
observed_stack,
string_file.string(),
kMemoryValue,
true));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpContextAMD64(kSeed, observed_context, false));
}
TEST(MinidumpThreadWriter, ThreeThreads_x86_MemoryList) {
MinidumpFileWriter minidump_file_writer;
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
thread_list_writer->SetMemoryListWriter(memory_list_writer.get());
constexpr uint32_t kThreadID0 = 1111111;
constexpr uint32_t kSuspendCount0 = 111111;
constexpr uint32_t kPriorityClass0 = 11111;
constexpr uint32_t kPriority0 = 1111;
constexpr uint64_t kTEB0 = 111;
constexpr uint64_t kMemoryBase0 = 0x1110;
constexpr size_t kMemorySize0 = 16;
constexpr uint8_t kMemoryValue0 = 11;
constexpr uint32_t kSeed0 = 1;
auto thread_writer_0 = std::make_unique<MinidumpThreadWriter>();
thread_writer_0->SetThreadID(kThreadID0);
thread_writer_0->SetSuspendCount(kSuspendCount0);
thread_writer_0->SetPriorityClass(kPriorityClass0);
thread_writer_0->SetPriority(kPriority0);
thread_writer_0->SetTEB(kTEB0);
auto memory_writer_0 = std::make_unique<TestMinidumpMemoryWriter>(
kMemoryBase0, kMemorySize0, kMemoryValue0);
thread_writer_0->SetStack(std::move(memory_writer_0));
auto context_x86_writer_0 = std::make_unique<MinidumpContextX86Writer>();
InitializeMinidumpContextX86(context_x86_writer_0->context(), kSeed0);
thread_writer_0->SetContext(std::move(context_x86_writer_0));
thread_list_writer->AddThread(std::move(thread_writer_0));
constexpr uint32_t kThreadID1 = 2222222;
constexpr uint32_t kSuspendCount1 = 222222;
constexpr uint32_t kPriorityClass1 = 22222;
constexpr uint32_t kPriority1 = 2222;
constexpr uint64_t kTEB1 = 222;
constexpr uint64_t kMemoryBase1 = 0x2220;
constexpr size_t kMemorySize1 = 32;
constexpr uint8_t kMemoryValue1 = 22;
constexpr uint32_t kSeed1 = 2;
auto thread_writer_1 = std::make_unique<MinidumpThreadWriter>();
thread_writer_1->SetThreadID(kThreadID1);
thread_writer_1->SetSuspendCount(kSuspendCount1);
thread_writer_1->SetPriorityClass(kPriorityClass1);
thread_writer_1->SetPriority(kPriority1);
thread_writer_1->SetTEB(kTEB1);
auto memory_writer_1 = std::make_unique<TestMinidumpMemoryWriter>(
kMemoryBase1, kMemorySize1, kMemoryValue1);
thread_writer_1->SetStack(std::move(memory_writer_1));
auto context_x86_writer_1 = std::make_unique<MinidumpContextX86Writer>();
InitializeMinidumpContextX86(context_x86_writer_1->context(), kSeed1);
thread_writer_1->SetContext(std::move(context_x86_writer_1));
thread_list_writer->AddThread(std::move(thread_writer_1));
constexpr uint32_t kThreadID2 = 3333333;
constexpr uint32_t kSuspendCount2 = 333333;
constexpr uint32_t kPriorityClass2 = 33333;
constexpr uint32_t kPriority2 = 3333;
constexpr uint64_t kTEB2 = 333;
constexpr uint64_t kMemoryBase2 = 0x3330;
constexpr size_t kMemorySize2 = 48;
constexpr uint8_t kMemoryValue2 = 33;
constexpr uint32_t kSeed2 = 3;
auto thread_writer_2 = std::make_unique<MinidumpThreadWriter>();
thread_writer_2->SetThreadID(kThreadID2);
thread_writer_2->SetSuspendCount(kSuspendCount2);
thread_writer_2->SetPriorityClass(kPriorityClass2);
thread_writer_2->SetPriority(kPriority2);
thread_writer_2->SetTEB(kTEB2);
auto memory_writer_2 = std::make_unique<TestMinidumpMemoryWriter>(
kMemoryBase2, kMemorySize2, kMemoryValue2);
thread_writer_2->SetStack(std::move(memory_writer_2));
auto context_x86_writer_2 = std::make_unique<MinidumpContextX86Writer>();
InitializeMinidumpContextX86(context_x86_writer_2->context(), kSeed2);
thread_writer_2->SetContext(std::move(context_x86_writer_2));
thread_list_writer->AddThread(std::move(thread_writer_2));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(
string_file.string().size(),
sizeof(MINIDUMP_HEADER) + 2 * sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_THREAD_LIST) + 3 * sizeof(MINIDUMP_THREAD) +
sizeof(MINIDUMP_MEMORY_LIST) +
3 * sizeof(MINIDUMP_MEMORY_DESCRIPTOR) +
3 * sizeof(MinidumpContextX86) + kMemorySize0 + kMemorySize1 +
kMemorySize2 + 12); // 12 for alignment
const MINIDUMP_THREAD_LIST* thread_list = nullptr;
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetThreadListStream(string_file.string(), &thread_list, &memory_list));
EXPECT_EQ(thread_list->NumberOfThreads, 3u);
EXPECT_EQ(memory_list->NumberOfMemoryRanges, 3u);
{
SCOPED_TRACE("thread 0");
MINIDUMP_THREAD expected = {};
expected.ThreadId = kThreadID0;
expected.SuspendCount = kSuspendCount0;
expected.PriorityClass = kPriorityClass0;
expected.Priority = kPriority0;
expected.Teb = kTEB0;
expected.Stack.StartOfMemoryRange = kMemoryBase0;
expected.Stack.Memory.DataSize = kMemorySize0;
expected.ThreadContext.DataSize = sizeof(MinidumpContextX86);
const MINIDUMP_MEMORY_DESCRIPTOR* observed_stack = nullptr;
const MinidumpContextX86* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expected,
&thread_list->Threads[0],
string_file.string(),
&observed_stack,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpMemoryDescriptorAndContents(&expected.Stack,
observed_stack,
string_file.string(),
kMemoryValue0,
false));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpContextX86(kSeed0, observed_context, false));
ASSERT_NO_FATAL_FAILURE(ExpectMinidumpMemoryDescriptor(
observed_stack, &memory_list->MemoryRanges[0]));
}
{
SCOPED_TRACE("thread 1");
MINIDUMP_THREAD expected = {};
expected.ThreadId = kThreadID1;
expected.SuspendCount = kSuspendCount1;
expected.PriorityClass = kPriorityClass1;
expected.Priority = kPriority1;
expected.Teb = kTEB1;
expected.Stack.StartOfMemoryRange = kMemoryBase1;
expected.Stack.Memory.DataSize = kMemorySize1;
expected.ThreadContext.DataSize = sizeof(MinidumpContextX86);
const MINIDUMP_MEMORY_DESCRIPTOR* observed_stack = nullptr;
const MinidumpContextX86* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expected,
&thread_list->Threads[1],
string_file.string(),
&observed_stack,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpMemoryDescriptorAndContents(&expected.Stack,
observed_stack,
string_file.string(),
kMemoryValue1,
false));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpContextX86(kSeed1, observed_context, false));
ASSERT_NO_FATAL_FAILURE(ExpectMinidumpMemoryDescriptor(
observed_stack, &memory_list->MemoryRanges[1]));
}
{
SCOPED_TRACE("thread 2");
MINIDUMP_THREAD expected = {};
expected.ThreadId = kThreadID2;
expected.SuspendCount = kSuspendCount2;
expected.PriorityClass = kPriorityClass2;
expected.Priority = kPriority2;
expected.Teb = kTEB2;
expected.Stack.StartOfMemoryRange = kMemoryBase2;
expected.Stack.Memory.DataSize = kMemorySize2;
expected.ThreadContext.DataSize = sizeof(MinidumpContextX86);
const MINIDUMP_MEMORY_DESCRIPTOR* observed_stack = nullptr;
const MinidumpContextX86* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expected,
&thread_list->Threads[2],
string_file.string(),
&observed_stack,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpMemoryDescriptorAndContents(&expected.Stack,
observed_stack,
string_file.string(),
kMemoryValue2,
true));
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpContextX86(kSeed2, observed_context, false));
ASSERT_NO_FATAL_FAILURE(ExpectMinidumpMemoryDescriptor(
observed_stack, &memory_list->MemoryRanges[2]));
}
}
struct InitializeFromSnapshotX86Traits {
using MinidumpContextType = MinidumpContextX86;
static void InitializeCPUContext(CPUContext* context, uint32_t seed) {
return InitializeCPUContextX86(context, seed);
}
static void ExpectMinidumpContext(
uint32_t expect_seed, const MinidumpContextX86* observed, bool snapshot) {
return ExpectMinidumpContextX86(expect_seed, observed, snapshot);
}
};
struct InitializeFromSnapshotAMD64Traits {
using MinidumpContextType = MinidumpContextAMD64;
static void InitializeCPUContext(CPUContext* context, uint32_t seed) {
return InitializeCPUContextX86_64(context, seed);
}
static void ExpectMinidumpContext(uint32_t expect_seed,
const MinidumpContextAMD64* observed,
bool snapshot) {
return ExpectMinidumpContextAMD64(expect_seed, observed, snapshot);
}
};
struct InitializeFromSnapshotNoContextTraits {
using MinidumpContextType = MinidumpContextX86;
static void InitializeCPUContext(CPUContext* context, uint32_t seed) {
context->architecture = kCPUArchitectureUnknown;
}
static void ExpectMinidumpContext(uint32_t expect_seed,
const MinidumpContextX86* observed,
bool snapshot) {
FAIL();
}
};
template <typename Traits>
void RunInitializeFromSnapshotTest(bool thread_id_collision) {
using MinidumpContextType = typename Traits::MinidumpContextType;
MINIDUMP_THREAD expect_threads[3] = {};
uint64_t thread_ids[ArraySize(expect_threads)] = {};
uint8_t memory_values[ArraySize(expect_threads)] = {};
uint32_t context_seeds[ArraySize(expect_threads)] = {};
MINIDUMP_MEMORY_DESCRIPTOR tebs[ArraySize(expect_threads)] = {};
constexpr size_t kTebSize = 1024;
expect_threads[0].ThreadId = 1;
expect_threads[0].SuspendCount = 2;
expect_threads[0].Priority = 3;
expect_threads[0].Teb = 0x0123456789abcdef;
expect_threads[0].Stack.StartOfMemoryRange = 0x1000;
expect_threads[0].Stack.Memory.DataSize = 0x100;
expect_threads[0].ThreadContext.DataSize = sizeof(MinidumpContextType);
memory_values[0] = 'A';
context_seeds[0] = 0x80000000;
tebs[0].StartOfMemoryRange = expect_threads[0].Teb;
tebs[0].Memory.DataSize = kTebSize;
// The thread at index 1 has no stack.
expect_threads[1].ThreadId = 11;
expect_threads[1].SuspendCount = 12;
expect_threads[1].Priority = 13;
expect_threads[1].Teb = 0x1111111111111111;
expect_threads[1].ThreadContext.DataSize = sizeof(MinidumpContextType);
context_seeds[1] = 0x40000001;
tebs[1].StartOfMemoryRange = expect_threads[1].Teb;
tebs[1].Memory.DataSize = kTebSize;
expect_threads[2].ThreadId = 21;
expect_threads[2].SuspendCount = 22;
expect_threads[2].Priority = 23;
expect_threads[2].Teb = 0xfedcba9876543210;
expect_threads[2].Stack.StartOfMemoryRange = 0x3000;
expect_threads[2].Stack.Memory.DataSize = 0x300;
expect_threads[2].ThreadContext.DataSize = sizeof(MinidumpContextType);
memory_values[2] = 'd';
context_seeds[2] = 0x20000002;
tebs[2].StartOfMemoryRange = expect_threads[2].Teb;
tebs[2].Memory.DataSize = kTebSize;
if (thread_id_collision) {
thread_ids[0] = 0x0123456700000001;
thread_ids[1] = 0x89abcdef00000001;
thread_ids[2] = 4;
expect_threads[0].ThreadId = 0;
expect_threads[1].ThreadId = 1;
expect_threads[2].ThreadId = 2;
} else {
thread_ids[0] = 1;
thread_ids[1] = 11;
thread_ids[2] = 22;
expect_threads[0].ThreadId = static_cast<uint32_t>(thread_ids[0]);
expect_threads[1].ThreadId = static_cast<uint32_t>(thread_ids[1]);
expect_threads[2].ThreadId = static_cast<uint32_t>(thread_ids[2]);
}
std::vector<std::unique_ptr<TestThreadSnapshot>> thread_snapshots_owner;
std::vector<const ThreadSnapshot*> thread_snapshots;
for (size_t index = 0; index < ArraySize(expect_threads); ++index) {
thread_snapshots_owner.push_back(std::make_unique<TestThreadSnapshot>());
TestThreadSnapshot* thread_snapshot = thread_snapshots_owner.back().get();
thread_snapshot->SetThreadID(thread_ids[index]);
thread_snapshot->SetSuspendCount(expect_threads[index].SuspendCount);
thread_snapshot->SetPriority(expect_threads[index].Priority);
thread_snapshot->SetThreadSpecificDataAddress(expect_threads[index].Teb);
if (expect_threads[index].Stack.Memory.DataSize) {
auto memory_snapshot = std::make_unique<TestMemorySnapshot>();
memory_snapshot->SetAddress(
expect_threads[index].Stack.StartOfMemoryRange);
memory_snapshot->SetSize(expect_threads[index].Stack.Memory.DataSize);
memory_snapshot->SetValue(memory_values[index]);
thread_snapshot->SetStack(std::move(memory_snapshot));
}
Traits::InitializeCPUContext(thread_snapshot->MutableContext(),
context_seeds[index]);
auto teb_snapshot = std::make_unique<TestMemorySnapshot>();
teb_snapshot->SetAddress(expect_threads[index].Teb);
teb_snapshot->SetSize(kTebSize);
teb_snapshot->SetValue(static_cast<char>('t' + index));
thread_snapshot->AddExtraMemory(std::move(teb_snapshot));
thread_snapshots.push_back(thread_snapshot);
}
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
thread_list_writer->SetMemoryListWriter(memory_list_writer.get());
MinidumpThreadIDMap thread_id_map;
thread_list_writer->InitializeFromSnapshot(thread_snapshots, &thread_id_map);
MinidumpFileWriter minidump_file_writer;
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_THREAD_LIST* thread_list = nullptr;
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetThreadListStream(string_file.string(), &thread_list, &memory_list));
ASSERT_EQ(thread_list->NumberOfThreads, 3u);
ASSERT_EQ(memory_list->NumberOfMemoryRanges, 5u);
size_t memory_index = 0;
for (size_t index = 0; index < thread_list->NumberOfThreads; ++index) {
SCOPED_TRACE(base::StringPrintf("index %" PRIuS, index));
const MINIDUMP_MEMORY_DESCRIPTOR* observed_stack = nullptr;
const MINIDUMP_MEMORY_DESCRIPTOR** observed_stack_p =
expect_threads[index].Stack.Memory.DataSize ? &observed_stack : nullptr;
const MinidumpContextType* observed_context = nullptr;
ASSERT_NO_FATAL_FAILURE(
ExpectThread(&expect_threads[index],
&thread_list->Threads[index],
string_file.string(),
observed_stack_p,
reinterpret_cast<const void**>(&observed_context)));
ASSERT_NO_FATAL_FAILURE(Traits::ExpectMinidumpContext(
context_seeds[index], observed_context, true));
if (observed_stack_p) {
ASSERT_NO_FATAL_FAILURE(ExpectMinidumpMemoryDescriptorAndContents(
&expect_threads[index].Stack,
observed_stack,
string_file.string(),
memory_values[index],
false));
ASSERT_NO_FATAL_FAILURE(ExpectMinidumpMemoryDescriptor(
observed_stack, &memory_list->MemoryRanges[memory_index]));
++memory_index;
}
}
for (size_t index = 0; index < thread_list->NumberOfThreads; ++index) {
const MINIDUMP_MEMORY_DESCRIPTOR* memory =
&memory_list->MemoryRanges[memory_index];
ASSERT_NO_FATAL_FAILURE(
ExpectMinidumpMemoryDescriptor(&tebs[index], memory));
std::string expected_data(kTebSize, static_cast<char>('t' + index));
std::string observed_data(&string_file.string()[memory->Memory.Rva],
memory->Memory.DataSize);
EXPECT_EQ(observed_data, expected_data);
++memory_index;
}
}
TEST(MinidumpThreadWriter, InitializeFromSnapshot_x86) {
RunInitializeFromSnapshotTest<InitializeFromSnapshotX86Traits>(false);
}
TEST(MinidumpThreadWriter, InitializeFromSnapshot_AMD64) {
RunInitializeFromSnapshotTest<InitializeFromSnapshotAMD64Traits>(false);
}
TEST(MinidumpThreadWriter, InitializeFromSnapshot_ThreadIDCollision) {
RunInitializeFromSnapshotTest<InitializeFromSnapshotX86Traits>(true);
}
TEST(MinidumpThreadWriterDeathTest, NoContext) {
MinidumpFileWriter minidump_file_writer;
auto thread_list_writer = std::make_unique<MinidumpThreadListWriter>();
auto thread_writer = std::make_unique<MinidumpThreadWriter>();
thread_list_writer->AddThread(std::move(thread_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(thread_list_writer)));
StringFile string_file;
ASSERT_DEATH_CHECK(minidump_file_writer.WriteEverything(&string_file),
"context_");
}
TEST(MinidumpThreadWriterDeathTest, InitializeFromSnapshot_NoContext) {
ASSERT_DEATH_CHECK(
RunInitializeFromSnapshotTest<InitializeFromSnapshotNoContextTraits>(
false), "context_");
}
} // namespace
} // namespace test
} // namespace crashpad
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