michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef jscrashreport_h
michael@0: #define jscrashreport_h
michael@0: 
michael@0: #include "mozilla/GuardObjects.h"
michael@0: 
michael@0: #include <stdint.h>
michael@0: 
michael@0: namespace js {
michael@0: namespace crash {
michael@0: 
michael@0: void
michael@0: SnapshotGCStack();
michael@0: 
michael@0: void
michael@0: SnapshotErrorStack();
michael@0: 
michael@0: void
michael@0: SaveCrashData(uint64_t tag, void *ptr, size_t size);
michael@0: 
michael@0: template<size_t size, unsigned char marker>
michael@0: class StackBuffer
michael@0: {
michael@0:   public:
michael@0:     StackBuffer(void *data
michael@0:                 MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
michael@0:     {
michael@0:         MOZ_GUARD_OBJECT_NOTIFIER_INIT;
michael@0: 
michael@0:         buffer[0] = marker;
michael@0:         buffer[1] = '[';
michael@0: 
michael@0:         for (size_t i = 0; i < size; i++) {
michael@0:             if (data)
michael@0:                 buffer[i + 2] = static_cast<unsigned char*>(data)[i];
michael@0:             else
michael@0:                 buffer[i + 2] = 0;
michael@0:         }
michael@0: 
michael@0:         buffer[size - 2] = ']';
michael@0:         buffer[size - 1] = marker;
michael@0:     }
michael@0: 
michael@0:   private:
michael@0:     MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
michael@0:     volatile unsigned char buffer[size + 4];
michael@0: };
michael@0: 
michael@0: } /* namespace crash */
michael@0: } /* namespace js */
michael@0: 
michael@0: #endif /* jscrashreport_h */