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third_party/crashpad/crashpad/minidump/minidump_memory_info_writer.cc

Index: third_party/crashpad/crashpad/minidump/minidump_memory_info_writer.cc
diff --git a/third_party/crashpad/crashpad/minidump/minidump_memory_info_writer.cc b/third_party/crashpad/crashpad/minidump/minidump_memory_info_writer.cc
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index 0000000000000000000000000000000000000000..8b6bdc8c91ddbc8c9db319c4029f1715ea6f5872
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+++ b/third_party/crashpad/crashpad/minidump/minidump_memory_info_writer.cc
@@ -0,0 +1,85 @@
+// 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