127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
// Copyright 2018 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "snapshot/minidump/thread_snapshot_minidump.h"
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#include <stddef.h>
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#include <string.h>
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#include "base/cxx17_backports.h"
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#include "minidump/minidump_context.h"
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namespace crashpad {
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namespace internal {
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ThreadSnapshotMinidump::ThreadSnapshotMinidump()
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: ThreadSnapshot(),
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minidump_thread_(),
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thread_name_(),
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context_(),
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stack_(),
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initialized_() {}
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ThreadSnapshotMinidump::~ThreadSnapshotMinidump() {}
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bool ThreadSnapshotMinidump::Initialize(
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FileReaderInterface* file_reader,
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RVA minidump_thread_rva,
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CPUArchitecture arch,
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const std::map<uint32_t, std::string>& thread_names) {
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INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
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std::vector<unsigned char> minidump_context;
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if (!file_reader->SeekSet(minidump_thread_rva)) {
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return false;
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}
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if (!file_reader->ReadExactly(&minidump_thread_, sizeof(minidump_thread_))) {
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return false;
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}
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if (!file_reader->SeekSet(minidump_thread_.ThreadContext.Rva)) {
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return false;
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}
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minidump_context.resize(minidump_thread_.ThreadContext.DataSize);
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if (!file_reader->ReadExactly(minidump_context.data(),
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minidump_context.size())) {
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return false;
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}
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if (!context_.Initialize(arch, minidump_context)) {
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return false;
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}
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RVA stack_info_location =
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minidump_thread_rva + offsetof(MINIDUMP_THREAD, Stack);
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if (!stack_.Initialize(file_reader, stack_info_location)) {
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return false;
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}
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const auto thread_name_iter = thread_names.find(minidump_thread_.ThreadId);
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if (thread_name_iter != thread_names.end()) {
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thread_name_ = thread_name_iter->second;
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}
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INITIALIZATION_STATE_SET_VALID(initialized_);
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return true;
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}
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uint64_t ThreadSnapshotMinidump::ThreadID() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return minidump_thread_.ThreadId;
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}
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std::string ThreadSnapshotMinidump::ThreadName() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_name_;
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}
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int ThreadSnapshotMinidump::SuspendCount() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return minidump_thread_.SuspendCount;
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}
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uint64_t ThreadSnapshotMinidump::ThreadSpecificDataAddress() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return minidump_thread_.Teb;
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}
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int ThreadSnapshotMinidump::Priority() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return minidump_thread_.Priority;
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}
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const CPUContext* ThreadSnapshotMinidump::Context() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return context_.Get();
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}
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const MemorySnapshot* ThreadSnapshotMinidump::Stack() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return &stack_;
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}
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std::vector<const MemorySnapshot*> ThreadSnapshotMinidump::ExtraMemory() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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// This doesn't correspond to anything minidump can give us, with the
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// exception of the BackingStore field in the MINIDUMP_THREAD_EX structure,
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// which is only valid for IA-64.
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return std::vector<const MemorySnapshot*>();
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}
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} // namespace internal
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} // namespace crashpad
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