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1 
2 /*--------------------------------------------------------------------*/
3 /*--- ExeContexts: long-lived, non-dup'd stack traces.             ---*/
4 /*---                                        pub_core_execontext.h ---*/
5 /*--------------------------------------------------------------------*/
6 
7 /*
8    This file is part of Valgrind, a dynamic binary instrumentation
9    framework.
10 
11    Copyright (C) 2000-2013 Julian Seward
12       jseward@acm.org
13 
14    This program is free software; you can redistribute it and/or
15    modify it under the terms of the GNU General Public License as
16    published by the Free Software Foundation; either version 2 of the
17    License, or (at your option) any later version.
18 
19    This program is distributed in the hope that it will be useful, but
20    WITHOUT ANY WARRANTY; without even the implied warranty of
21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
22    General Public License for more details.
23 
24    You should have received a copy of the GNU General Public License
25    along with this program; if not, write to the Free Software
26    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
27    02111-1307, USA.
28 
29    The GNU General Public License is contained in the file COPYING.
30 */
31 
32 #ifndef __PUB_CORE_EXECONTEXT_H
33 #define __PUB_CORE_EXECONTEXT_H
34 
35 //--------------------------------------------------------------------
36 // PURPOSE: This module provides an abstract data type, ExeContext,
37 // which is a stack trace stored in such a way that duplicates are
38 // avoided.  This also facilitates fast comparisons if necessary.
39 //--------------------------------------------------------------------
40 
41 #include "pub_tool_execontext.h"
42 
43 /* The maximum number of calls we're prepared to save in an ExeContext. */
44 #define VG_DEEPEST_BACKTRACE 500
45 
46 // Print stats (informational only).
47 // If with_stacktraces, outputs all the recorded stacktraces.
48 extern void VG_(print_ExeContext_stats) ( Bool with_stacktraces );
49 
50 // Extract the StackTrace from an ExeContext.
51 // (Minor hack: we use Addr* as the return type instead of StackTrace so
52 // that modules #including this file don't also have to #include
53 // pub_core_stacktrace.h also.)
54 extern
55 /*StackTrace*/Addr* VG_(get_ExeContext_StackTrace) ( ExeContext* e );
56 
57 
58 #endif   // __PUB_CORE_EXECONTEXT_H
59 
60 /*--------------------------------------------------------------------*/
61 /*--- end                                                          ---*/
62 /*--------------------------------------------------------------------*/
63