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c63c073d27
Include check_op.h directly, instead of relying on the transitive include from logging.h. This transitive include does not exist in Chromium's //base. Change-Id: I15962a9cdc26ac206032157b8d2659cf263ad695 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4950200 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
// Copyright 2015 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 "minidump/minidump_handle_writer.h"
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#include <string>
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#include "base/check_op.h"
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#include "base/logging.h"
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#include "minidump/minidump_extensions.h"
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#include "util/file/file_writer.h"
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#include "util/numeric/safe_assignment.h"
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namespace crashpad {
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MinidumpHandleDataWriter::MinidumpHandleDataWriter()
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: handle_data_stream_base_(), handle_descriptors_(), strings_() {
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}
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MinidumpHandleDataWriter::~MinidumpHandleDataWriter() {
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for (auto& item : strings_)
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delete item.second;
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}
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void MinidumpHandleDataWriter::InitializeFromSnapshot(
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const std::vector<HandleSnapshot>& handle_snapshots) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(handle_descriptors_.empty());
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// Because we RegisterRVA() on the string writer below, we preallocate and
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// never resize the handle_descriptors_ vector.
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handle_descriptors_.resize(handle_snapshots.size());
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for (size_t i = 0; i < handle_snapshots.size(); ++i) {
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const HandleSnapshot& handle_snapshot = handle_snapshots[i];
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MINIDUMP_HANDLE_DESCRIPTOR& descriptor = handle_descriptors_[i];
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descriptor.Handle = handle_snapshot.handle;
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if (handle_snapshot.type_name.empty()) {
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descriptor.TypeNameRva = 0;
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} else {
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auto it = strings_.lower_bound(handle_snapshot.type_name);
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internal::MinidumpUTF16StringWriter* writer;
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if (it != strings_.end() && it->first == handle_snapshot.type_name) {
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writer = it->second;
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} else {
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writer = new internal::MinidumpUTF16StringWriter();
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strings_.insert(it, std::make_pair(handle_snapshot.type_name, writer));
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writer->SetUTF8(handle_snapshot.type_name);
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}
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writer->RegisterRVA(&descriptor.TypeNameRva);
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}
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descriptor.ObjectNameRva = 0;
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descriptor.Attributes = handle_snapshot.attributes;
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descriptor.GrantedAccess = handle_snapshot.granted_access;
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descriptor.HandleCount = handle_snapshot.handle_count;
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descriptor.PointerCount = handle_snapshot.pointer_count;
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}
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}
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bool MinidumpHandleDataWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpStreamWriter::Freeze())
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return false;
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handle_data_stream_base_.SizeOfHeader = sizeof(handle_data_stream_base_);
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handle_data_stream_base_.SizeOfDescriptor = sizeof(handle_descriptors_[0]);
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const size_t handle_count = handle_descriptors_.size();
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if (!AssignIfInRange(&handle_data_stream_base_.NumberOfDescriptors,
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handle_count)) {
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LOG(ERROR) << "handle_count " << handle_count << " out of range";
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return false;
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}
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handle_data_stream_base_.Reserved = 0;
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return true;
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}
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size_t MinidumpHandleDataWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return sizeof(handle_data_stream_base_) +
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sizeof(handle_descriptors_[0]) * handle_descriptors_.size();
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}
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std::vector<internal::MinidumpWritable*> MinidumpHandleDataWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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std::vector<MinidumpWritable*> children;
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for (const auto& pair : strings_)
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children.push_back(pair.second);
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return children;
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}
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bool MinidumpHandleDataWriter::WriteObject(FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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WritableIoVec iov;
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iov.iov_base = &handle_data_stream_base_;
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iov.iov_len = sizeof(handle_data_stream_base_);
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std::vector<WritableIoVec> iovecs(1, iov);
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for (const auto& descriptor : handle_descriptors_) {
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iov.iov_base = &descriptor;
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iov.iov_len = sizeof(descriptor);
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iovecs.push_back(iov);
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}
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return file_writer->WriteIoVec(&iovecs);
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}
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MinidumpStreamType MinidumpHandleDataWriter::StreamType() const {
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return kMinidumpStreamTypeHandleData;
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}
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} // namespace crashpad
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