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6dac7ecdf5
This is essentially based on a search for “^ *const [^*&]*=[^(]*$” Change-Id: Id571119d0b9a64c6f387eccd51cea7c9eb530e13 Reviewed-on: https://chromium-review.googlesource.com/585555 Reviewed-by: Leonard Mosescu <mosescu@chromium.org>
123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
// Copyright 2014 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 "minidump/minidump_exception_writer.h"
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#include <utility>
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#include "base/logging.h"
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#include "base/numerics/safe_conversions.h"
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#include "minidump/minidump_context_writer.h"
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#include "snapshot/exception_snapshot.h"
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#include "util/file/file_writer.h"
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#include "util/misc/arraysize_unsafe.h"
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namespace crashpad {
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MinidumpExceptionWriter::MinidumpExceptionWriter()
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: MinidumpStreamWriter(), exception_(), context_(nullptr) {
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}
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MinidumpExceptionWriter::~MinidumpExceptionWriter() {
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}
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void MinidumpExceptionWriter::InitializeFromSnapshot(
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const ExceptionSnapshot* exception_snapshot,
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const MinidumpThreadIDMap& thread_id_map) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(!context_);
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auto thread_id_it = thread_id_map.find(exception_snapshot->ThreadID());
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DCHECK(thread_id_it != thread_id_map.end());
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SetThreadID(thread_id_it->second);
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SetExceptionCode(exception_snapshot->Exception());
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SetExceptionFlags(exception_snapshot->ExceptionInfo());
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SetExceptionAddress(exception_snapshot->ExceptionAddress());
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SetExceptionInformation(exception_snapshot->Codes());
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std::unique_ptr<MinidumpContextWriter> context =
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MinidumpContextWriter::CreateFromSnapshot(exception_snapshot->Context());
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SetContext(std::move(context));
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}
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void MinidumpExceptionWriter::SetContext(
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std::unique_ptr<MinidumpContextWriter> context) {
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DCHECK_EQ(state(), kStateMutable);
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context_ = std::move(context);
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}
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void MinidumpExceptionWriter::SetExceptionInformation(
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const std::vector<uint64_t>& exception_information) {
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DCHECK_EQ(state(), kStateMutable);
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const size_t parameters = exception_information.size();
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constexpr size_t kMaxParameters =
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ARRAYSIZE_UNSAFE(exception_.ExceptionRecord.ExceptionInformation);
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CHECK_LE(parameters, kMaxParameters);
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exception_.ExceptionRecord.NumberParameters =
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base::checked_cast<uint32_t>(parameters);
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size_t parameter = 0;
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for (; parameter < parameters; ++parameter) {
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exception_.ExceptionRecord.ExceptionInformation[parameter] =
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exception_information[parameter];
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}
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for (; parameter < kMaxParameters; ++parameter) {
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exception_.ExceptionRecord.ExceptionInformation[parameter] = 0;
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}
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}
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bool MinidumpExceptionWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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CHECK(context_);
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if (!MinidumpStreamWriter::Freeze()) {
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return false;
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}
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context_->RegisterLocationDescriptor(&exception_.ThreadContext);
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return true;
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}
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size_t MinidumpExceptionWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return sizeof(exception_);
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}
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std::vector<internal::MinidumpWritable*> MinidumpExceptionWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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DCHECK(context_);
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std::vector<MinidumpWritable*> children;
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children.push_back(context_.get());
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return children;
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}
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bool MinidumpExceptionWriter::WriteObject(FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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return file_writer->Write(&exception_, sizeof(exception_));
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}
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MinidumpStreamType MinidumpExceptionWriter::StreamType() const {
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return kMinidumpStreamTypeException;
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}
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} // namespace crashpad
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