win: Write memory map info as MINIDUMP_MEMORY_INFO[_LIST]

minidump/minidump_memory_info_writer.h

Index: minidump/minidump_memory_info_writer.h
diff --git a/minidump/minidump_memory_info_writer.h b/minidump/minidump_memory_info_writer.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f6ea59bddd2c0165dbf8773daf431767c928f9b
--- /dev/null
+++ b/minidump/minidump_memory_info_writer.h
@@ -0,0 +1,71 @@
+// 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.
+
+#ifndef CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_INFO_WRITER_H_
+#define CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_INFO_WRITER_H_
+
+#include <windows.h>
+#include <dbghelp.h>
+#include <stdint.h>
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "minidump/minidump_stream_writer.h"
+#include "minidump/minidump_writable.h"
+
+namespace crashpad {
+
+class MemoryMapRegionSnapshot;
+class MinidumpContextWriter;
+class MinidumpMemoryListWriter;
+class MinidumpMemoryWriter;
+
+//! \brief The writer for a MINIDUMP_MEMORY_INFO_LIST stream in a minidump file,
+//!     containing a list of MINIDUMP_MEMORY_INFO objects.
+class MinidumpMemoryInfoListWriter final
+    : public internal::MinidumpStreamWriter {
+ public:
+  MinidumpMemoryInfoListWriter();
+  ~MinidumpMemoryInfoListWriter() override;
+
+  //! \brief Initializes a MINIDUMP_MEMORY_INFO_LIST based on \a memory_map.
+  //!
+  //! \param[in] memory_map The vector of memory map region snapshots to use as
+  //!     source data.
+  //!
+  //! \note Valid in #kStateMutable.
+  void InitializeFromSnapshot(
+      const std::vector<const MemoryMapRegionSnapshot*>& memory_map);
+
+ protected:
+  // MinidumpWritable:
+  bool Freeze() override;
+  size_t SizeOfObject() override;
+  std::vector<internal::MinidumpWritable*> Children() override;
+  bool WriteObject(FileWriterInterface* file_writer) override;
+
+  // MinidumpStreamWriter:
+  MinidumpStreamType StreamType() const override;
+
+ private:
+  MINIDUMP_MEMORY_INFO_LIST memory_info_list_base_;
+  std::vector<MINIDUMP_MEMORY_INFO> items_;
+
+  DISALLOW_COPY_AND_ASSIGN(MinidumpMemoryInfoListWriter);
+};
+
+}  // namespace crashpad
+
+#endif  // CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_INFO_WRITER_H_