1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=4 sw=4 et tw=99:
3 : *
4 : * ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
18 : * May 28, 2008.
19 : *
20 : * The Initial Developer of the Original Code is
21 : * Mozilla Foundation
22 : * Portions created by the Initial Developer are Copyright (C) 2011
23 : * the Initial Developer. All Rights Reserved.
24 : *
25 : * Contributor(s):
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either of the GNU General Public License Version 2 or later (the "GPL"),
29 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef jscrashreport_h___
42 : #define jscrashreport_h___
43 :
44 : #include "jstypes.h"
45 : #include "jsutil.h"
46 :
47 : namespace js {
48 : namespace crash {
49 :
50 : void
51 : SnapshotGCStack();
52 :
53 : void
54 : SnapshotErrorStack();
55 :
56 : void
57 : SaveCrashData(uint64_t tag, void *ptr, size_t size);
58 :
59 : template<size_t size, unsigned char marker>
60 0 : class StackBuffer {
61 : private:
62 : JS_DECL_USE_GUARD_OBJECT_NOTIFIER
63 : volatile unsigned char buffer[size + 4];
64 :
65 : public:
66 0 : StackBuffer(void *data JS_GUARD_OBJECT_NOTIFIER_PARAM) {
67 0 : JS_GUARD_OBJECT_NOTIFIER_INIT;
68 :
69 0 : buffer[0] = marker;
70 0 : buffer[1] = '[';
71 :
72 0 : for (size_t i = 0; i < size; i++) {
73 0 : if (data)
74 0 : buffer[i + 2] = ((unsigned char *)data)[i];
75 : else
76 0 : buffer[i + 2] = 0;
77 : }
78 :
79 0 : buffer[size - 2] = ']';
80 0 : buffer[size - 1] = marker;
81 0 : }
82 : };
83 :
84 : } /* namespace crash */
85 : } /* namespace js */
86 :
87 : #endif /* jscrashreport_h___ */
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