crashpad/minidump/minidump_memory_info_writer.cc

86 строки
2.6 KiB
C++

// Copyright 2015 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_memory_info_writer.h"
#include "base/logging.h"
#include "snapshot/memory_map_region_snapshot.h"
#include "util/file/file_writer.h"
namespace crashpad {
MinidumpMemoryInfoListWriter::MinidumpMemoryInfoListWriter()
: memory_info_list_base_(), items_() {
}
MinidumpMemoryInfoListWriter::~MinidumpMemoryInfoListWriter() {
}
void MinidumpMemoryInfoListWriter::InitializeFromSnapshot(
const std::vector<const MemoryMapRegionSnapshot*>& memory_map) {
DCHECK_EQ(state(), kStateMutable);
DCHECK(items_.empty());
for (const auto& region : memory_map)
items_.push_back(region->AsMinidumpMemoryInfo());
}
bool MinidumpMemoryInfoListWriter::Freeze() {
DCHECK_EQ(state(), kStateMutable);
if (!MinidumpStreamWriter::Freeze())
return false;
memory_info_list_base_.SizeOfHeader = sizeof(MINIDUMP_MEMORY_INFO_LIST);
memory_info_list_base_.SizeOfEntry = sizeof(MINIDUMP_MEMORY_INFO);
memory_info_list_base_.NumberOfEntries = items_.size();
return true;
}
size_t MinidumpMemoryInfoListWriter::SizeOfObject() {
DCHECK_GE(state(), kStateFrozen);
return sizeof(memory_info_list_base_) + sizeof(items_[0]) * items_.size();
}
std::vector<internal::MinidumpWritable*>
MinidumpMemoryInfoListWriter::Children() {
DCHECK_GE(state(), kStateFrozen);
return std::vector<internal::MinidumpWritable*>();
}
bool MinidumpMemoryInfoListWriter::WriteObject(
FileWriterInterface* file_writer) {
DCHECK_EQ(state(), kStateWritable);
WritableIoVec iov;
iov.iov_base = &memory_info_list_base_;
iov.iov_len = sizeof(memory_info_list_base_);
std::vector<WritableIoVec> iovecs(1, iov);
for (const auto& minidump_memory_info : items_) {
iov.iov_base = &minidump_memory_info;
iov.iov_len = sizeof(minidump_memory_info);
iovecs.push_back(iov);
}
return file_writer->WriteIoVec(&iovecs);
}
MinidumpStreamType MinidumpMemoryInfoListWriter::StreamType() const {
return kMinidumpStreamTypeMemoryInfoList;
}
} // namespace crashpad