1
2/*--------------------------------------------------------------------*/
3/*--- Ptrcheck: a pointer-use checker.                             ---*/
4/*--- Exports for heap access checking.                            ---*/
5/*---                                                     h_main.h ---*/
6/*--------------------------------------------------------------------*/
7
8/*
9   This file is part of Ptrcheck, a Valgrind tool for checking pointer
10   use in programs.
11
12   Copyright (C) 2003-2013 Nicholas Nethercote
13      njn@valgrind.org
14   Copyright (C) 2008-2013 OpenWorks Ltd
15      info@open-works.co.uk
16
17   This program is free software; you can redistribute it and/or
18   modify it under the terms of the GNU General Public License as
19   published by the Free Software Foundation; either version 2 of the
20   License, or (at your option) any later version.
21
22   This program is distributed in the hope that it will be useful, but
23   WITHOUT ANY WARRANTY; without even the implied warranty of
24   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25   General Public License for more details.
26
27   You should have received a copy of the GNU General Public License
28   along with this program; if not, write to the Free Software
29   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
30   02111-1307, USA.
31
32   The GNU General Public License is contained in the file COPYING.
33*/
34
35#ifndef __H_MAIN_H
36
37#define __H_MAIN_H
38
39// Choose values that couldn't possibly be pointers
40#define NONPTR          ((Seg*)0xA1)
41#define UNKNOWN         ((Seg*)0xB2)
42#define BOTTOM          ((Seg*)0xC3)
43
44static inline Bool is_known_segment(Seg* teg) {
45   return (UNKNOWN != teg && BOTTOM != teg && NONPTR != teg);
46   // better?  teg <= BOTTOM
47}
48
49void        Seg__cmp(Seg* seg, Addr a, Int* cmp, UWord* n);
50Bool        Seg__is_freed(Seg* seg);
51ExeContext* Seg__where(Seg* seg);
52SizeT       Seg__size(Seg* seg);
53Addr        Seg__addr(Seg* seg);
54
55void h_pre_clo_init ( void );
56void h_post_clo_init ( void );
57void h_fini ( Int exitcode );
58
59void* h_replace_malloc ( ThreadId tid, SizeT n );
60void* h_replace___builtin_new ( ThreadId tid, SizeT n );
61void* h_replace___builtin_vec_new ( ThreadId tid, SizeT n );
62void* h_replace_memalign ( ThreadId tid, SizeT align, SizeT n );
63void* h_replace_calloc ( ThreadId tid, SizeT nmemb, SizeT size1 );
64void  h_replace_free ( ThreadId tid, void* p );
65void  h_replace___builtin_delete ( ThreadId tid, void* p );
66void  h_replace___builtin_vec_delete ( ThreadId tid, void* p );
67void* h_replace_realloc ( ThreadId tid, void* p_old, SizeT new_size );
68SizeT h_replace_malloc_usable_size ( ThreadId tid, void* p );
69
70/* Note that this also does the sg_ instrumentation. */
71IRSB* h_instrument ( VgCallbackClosure* closure,
72                     IRSB* sbIn,
73                     VexGuestLayout* layout,
74                     VexGuestExtents* vge,
75                     VexArchInfo* archinfo_host,
76                     IRType gWordTy, IRType hWordTy );
77
78#endif
79
80/*--------------------------------------------------------------------*/
81/*--- end                                                 h_main.h ---*/
82/*--------------------------------------------------------------------*/
83