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112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=4 sw=4 et tw=99:
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
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* May 28, 2008.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jscrashformat_h___
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#define jscrashformat_h___
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#include <string.h>
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namespace js {
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namespace crash {
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const static int crash_cookie_len = 16;
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const static char crash_cookie[crash_cookie_len] = "*J*S*CRASHDATA*";
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/* These values are used for CrashHeader::id. */
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enum {
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JS_CRASH_STACK_GC = 0x400,
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JS_CRASH_STACK_ERROR = 0x401,
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JS_CRASH_RING = 0x800
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};
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/*
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* All the data here will be stored directly in the minidump, so we use
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* platform-independent types. We also ensure that the size of every field is a
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* multiple of 8 bytes, to guarantee that they won't be padded.
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*/
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struct CrashHeader
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{
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char cookie[crash_cookie_len];
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/* id of the crash data, chosen from the enum above. */
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uint64 id;
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CrashHeader(uint64 id) : id(id) { memcpy(cookie, crash_cookie, crash_cookie_len); }
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};
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struct CrashRegisters
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{
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uint64 ip, sp, bp;
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};
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const static int crash_buffer_size = 32 * 1024;
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struct CrashStack
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{
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CrashStack(uint64 id) : header(id) {}
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CrashHeader header;
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uint64 snaptime; /* Unix time when the stack was snapshotted. */
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CrashRegisters regs; /* Register contents for the snapshot. */
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uint64 stack_base; /* Base address of stack at the time of snapshot. */
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uint64 stack_len; /* Extent of the stack. */
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char stack[crash_buffer_size]; /* Contents of the stack. */
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};
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struct CrashRing
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{
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CrashRing(uint64 id) : header(id), offset(0) { memset(buffer, 0, sizeof(buffer)); }
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CrashHeader header;
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uint64 offset; /* Next byte to be written in the buffer. */
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char buffer[crash_buffer_size];
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};
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/* These are the tag values for each entry in the CrashRing. */
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enum {
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JS_CRASH_TAG_GC = 0x200
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};
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} /* namespace crash */
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} /* namespace js */
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#endif
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