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