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Tip revision: b2c372d1aa1949a560004ea3dbc4dfc0f5785a24 authored by Christian Legnitto on 15 December 2011, 23:47:29 UTC
ckout c3081b5db3d1 (bug 572652) and 4c77addce789 (bug 655628), as they cause bug 657153 and we are worried about the impact. The reward for keeping this in seems really low as well. a=LegNeato
Tip revision: b2c372d
jscrashreport.h
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=4 sw=4 et tw=99:
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
 * May 28, 2008.
 *
 * The Initial Developer of the Original Code is
 *   Mozilla Foundation
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef jscrashreport_h___
#define jscrashreport_h___

#include "jstypes.h"
#include "jsutil.h"

namespace js {
namespace crash {

void
SnapshotGCStack();

void
SnapshotErrorStack();

void
SaveCrashData(uint64 tag, void *ptr, size_t size);

template<size_t size, unsigned char marker>
class StackBuffer {
  private:
    JS_DECL_USE_GUARD_OBJECT_NOTIFIER
    volatile unsigned char buffer[size + 4];

  public:
    StackBuffer(void *data JS_GUARD_OBJECT_NOTIFIER_PARAM) {
        JS_GUARD_OBJECT_NOTIFIER_INIT;

        buffer[0] = marker;
        buffer[1] = '[';

        for (size_t i = 0; i < size; i++) {
            if (data)
                buffer[i + 2] = ((unsigned char *)data)[i];
            else
                buffer[i + 2] = 0;
        }

        buffer[size - 2] = ']';
        buffer[size - 1] = marker;
    }
};

} /* namespace crash */
} /* namespace js */

#endif /* jscrashreport_h___ */
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