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diff --git a/bfd/minidump-format/minidump_size.h b/bfd/minidump-format/minidump_size.h
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+/* Header file for the format of Windows minidumps.
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   Written by Google LLC.
+   Relicensed with permission, original at:
+   https://source.chromium.org/chromium/chromium/src/+/master:third_party/breakpad/breakpad/src/google_breakpad/common
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+// minidump_size.h: Provides a C++ template for programmatic access to
+// the sizes of various types defined in minidump_format.h.
+//
+// Author: Mark Mentovai
+
+#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__
+#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__
+
+#include <sys/types.h>
+
+#include "minidump_format.h"
+
+namespace google_breakpad {
+
+template<typename T>
+class minidump_size {
+ public:
+  static size_t size() { return sizeof(T); }
+};
+
+// Explicit specializations for variable-length types.  The size returned
+// for these should be the size for an object without its variable-length
+// section.
+
+template<>
+class minidump_size<MDString> {
+ public:
+  static size_t size() { return MDString_minsize; }
+};
+
+template<>
+class minidump_size<MDRawThreadList> {
+ public:
+  static size_t size() { return MDRawThreadList_minsize; }
+};
+
+template<>
+class minidump_size<MDCVInfoPDB20> {
+ public:
+  static size_t size() { return MDCVInfoPDB20_minsize; }
+};
+
+template<>
+class minidump_size<MDCVInfoPDB70> {
+ public:
+  static size_t size() { return MDCVInfoPDB70_minsize; }
+};
+
+template<>
+class minidump_size<MDCVInfoELF> {
+ public:
+  static size_t size() { return MDCVInfoELF_minsize; }
+};
+
+template<>
+class minidump_size<MDImageDebugMisc> {
+ public:
+  static size_t size() { return MDImageDebugMisc_minsize; }
+};
+
+template<>
+class minidump_size<MDRawModuleList> {
+ public:
+  static size_t size() { return MDRawModuleList_minsize; }
+};
+
+template<>
+class minidump_size<MDRawMemoryList> {
+ public:
+  static size_t size() { return MDRawMemoryList_minsize; }
+};
+
+// Explicit specialization for MDRawModule, for which sizeof may include
+// tail-padding on some architectures but not others.
+
+template<>
+class minidump_size<MDRawModule> {
+ public:
+  static size_t size() { return MD_MODULE_SIZE; }
+};
+
+}  // namespace google_breakpad
+
+#endif  // GOOGLE_BREAKPAD_COMMON_MINIDUMP_SIZE_H__