The Tor Browser: js/src/jscrashreport.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef jscrashreport_h

     8 #define jscrashreport_h

    10 #include "mozilla/GuardObjects.h"

    12 #include <stdint.h>

    14 namespace js {

    15 namespace crash {

    17 void

    18 SnapshotGCStack();

    20 void

    21 SnapshotErrorStack();

    23 void

    24 SaveCrashData(uint64_t tag, void *ptr, size_t size);

    26 template<size_t size, unsigned char marker>

    27 class StackBuffer

    28 {

    29   public:

    30     StackBuffer(void *data

    31                 MOZ_GUARD_OBJECT_NOTIFIER_PARAM)

    32     {

    33         MOZ_GUARD_OBJECT_NOTIFIER_INIT;

    35         buffer[0] = marker;

    36         buffer[1] = '[';

    38         for (size_t i = 0; i < size; i++) {

    39             if (data)

    40                 buffer[i + 2] = static_cast<unsigned char*>(data)[i];

    41             else

    42                 buffer[i + 2] = 0;

    43         }

    45         buffer[size - 2] = ']';

    46         buffer[size - 1] = marker;

    47     }

    49   private:

    50     MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER

    51     volatile unsigned char buffer[size + 4];

    52 };

    54 } /* namespace crash */

    55 } /* namespace js */

    57 #endif /* jscrashreport_h */

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