1 files changed, 78 insertions, 0 deletions
diff --git a/toolkit/crashreporter/breakpad-client/windows/common/minidump_callback.h b/toolkit/crashreporter/breakpad-client/windows/common/minidump_callback.h
new file mode 100644
index 0000000000..1306235cfd
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+++ b/toolkit/crashreporter/breakpad-client/windows/common/minidump_callback.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MINIDUMP_CALLBACK_H__
+#define MINIDUMP_CALLBACK_H__
+
+#include <windows.h>
+#include <dbghelp.h>
+
+#include <list>
+
+namespace google_breakpad {
+
+// These entries store a list of memory regions that the client wants included
+// in the minidump.
+struct AppMemory {
+  ULONG64 ptr;
+  ULONG length;
+  bool preallocated;
+
+  bool operator==(const struct AppMemory& other) const {
+    return ptr == other.ptr;
+  }
+
+  bool operator==(const void* other) const {
+    return ptr == reinterpret_cast<ULONG64>(other);
+  }
+
+  AppMemory()
+    : ptr(0)
+    , length(0)
+    , preallocated(false)
+  {}
+
+  AppMemory& operator=(const AppMemory& other) = default;
+};
+typedef std::list<AppMemory> AppMemoryList;
+
+// This is passed as the context to the MinidumpWriteDump callback.
+typedef struct {
+  AppMemoryList::const_iterator iter;
+  AppMemoryList::const_iterator end;
+} MinidumpCallbackContext;
+
+static const size_t kExceptionAppMemoryRegions = 33;
+
+#if defined(_M_IX86)
+using RegisterValueType = DWORD;
+#elif defined(_M_AMD64) || defined(_M_ARM64)
+using RegisterValueType = DWORD64;
+#else
+#error Unsupported platform
+#endif
+
+void IncludeAppMemoryFromExceptionContext(HANDLE aProcess,
+                                          DWORD aThreadId,
+                                          AppMemoryList& aList,
+                                          PCONTEXT aExceptionContext,
+                                          bool aInsttructionPointerOnly);
+
+// This function is used as a callback when calling MinidumpWriteDump,
+// in order to add additional memory regions to the dump.
+BOOL CALLBACK MinidumpWriteDumpCallback(
+    PVOID context,
+    const PMINIDUMP_CALLBACK_INPUT callback_input,
+    PMINIDUMP_CALLBACK_OUTPUT callback_output);
+
+// Called during startup to initialize system information used by
+// IncludeAppMemoryFromExceptionContext().
+void InitAppMemoryInternal();
+
+}  // namespace google_breakpad
+
+#endif
+