112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
// Copyright 2019 The Crashpad Authors
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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/exception_snapshot_minidump.h"
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#include "snapshot/minidump/minidump_string_reader.h"
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namespace crashpad {
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namespace internal {
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ExceptionSnapshotMinidump::ExceptionSnapshotMinidump()
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: ExceptionSnapshot(),
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minidump_exception_stream_(),
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context_(),
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exception_information_(),
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initialized_() {}
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ExceptionSnapshotMinidump::~ExceptionSnapshotMinidump() {}
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bool ExceptionSnapshotMinidump::Initialize(FileReaderInterface* file_reader,
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CPUArchitecture arch,
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RVA minidump_exception_stream_rva) {
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DCHECK(initialized_.is_uninitialized());
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initialized_.set_invalid();
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std::vector<unsigned char> minidump_context;
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if (!file_reader->SeekSet(minidump_exception_stream_rva)) {
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return false;
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}
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if (!file_reader->ReadExactly(&minidump_exception_stream_,
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sizeof(minidump_exception_stream_))) {
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return false;
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}
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const size_t num_parameters =
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minidump_exception_stream_.ExceptionRecord.NumberParameters;
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for (size_t i = 0; i < num_parameters; ++i) {
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exception_information_.push_back(
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minidump_exception_stream_.ExceptionRecord.ExceptionInformation[i]);
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}
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if (!file_reader->SeekSet(minidump_exception_stream_.ThreadContext.Rva)) {
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return false;
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}
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minidump_context.resize(minidump_exception_stream_.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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initialized_.set_valid();
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return true;
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}
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const CPUContext* ExceptionSnapshotMinidump::Context() const {
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DCHECK(initialized_.is_valid());
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return context_.Get();
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}
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uint64_t ExceptionSnapshotMinidump::ThreadID() const {
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DCHECK(initialized_.is_valid());
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return minidump_exception_stream_.ThreadId;
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}
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uint32_t ExceptionSnapshotMinidump::Exception() const {
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DCHECK(initialized_.is_valid());
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return minidump_exception_stream_.ExceptionRecord.ExceptionCode;
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}
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uint32_t ExceptionSnapshotMinidump::ExceptionInfo() const {
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DCHECK(initialized_.is_valid());
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return minidump_exception_stream_.ExceptionRecord.ExceptionFlags;
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}
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uint64_t ExceptionSnapshotMinidump::ExceptionAddress() const {
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DCHECK(initialized_.is_valid());
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return minidump_exception_stream_.ExceptionRecord.ExceptionAddress;
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}
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const std::vector<uint64_t>& ExceptionSnapshotMinidump::Codes() const {
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DCHECK(initialized_.is_valid());
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return exception_information_;
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}
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std::vector<const MemorySnapshot*> ExceptionSnapshotMinidump::ExtraMemory()
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const {
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DCHECK(initialized_.is_valid());
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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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