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) 2003-2017 Nicholas Nethercote
13 njn@valgrind.org
14 Copyright (C) 2008-2017 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
is_known_segment(Seg * teg)44 static inline Bool is_known_segment(Seg* teg) {
45 return (UNKNOWN != teg && BOTTOM != teg && NONPTR != teg);
46 // better? teg <= BOTTOM
47 }
48
49 void Seg__cmp(Seg* seg, Addr a, Int* cmp, UWord* n);
50 Bool Seg__is_freed(Seg* seg);
51 ExeContext* Seg__where(Seg* seg);
52 SizeT Seg__size(Seg* seg);
53 Addr Seg__addr(Seg* seg);
54
55 void h_pre_clo_init ( void );
56 void h_post_clo_init ( void );
57 void h_fini ( Int exitcode );
58
59 void* h_replace_malloc ( ThreadId tid, SizeT n );
60 void* h_replace___builtin_new ( ThreadId tid, SizeT n );
61 void* h_replace___builtin_vec_new ( ThreadId tid, SizeT n );
62 void* h_replace_memalign ( ThreadId tid, SizeT align, SizeT n );
63 void* h_replace_calloc ( ThreadId tid, SizeT nmemb, SizeT size1 );
64 void h_replace_free ( ThreadId tid, void* p );
65 void h_replace___builtin_delete ( ThreadId tid, void* p );
66 void h_replace___builtin_vec_delete ( ThreadId tid, void* p );
67 void* h_replace_realloc ( ThreadId tid, void* p_old, SizeT new_size );
68 SizeT h_replace_malloc_usable_size ( ThreadId tid, void* p );
69
70 /* Note that this also does the sg_ instrumentation. */
71 IRSB* h_instrument ( VgCallbackClosure* closure,
72 IRSB* sbIn,
73 const VexGuestLayout* layout,
74 const VexGuestExtents* vge,
75 const VexArchInfo* archinfo_host,
76 IRType gWordTy, IRType hWordTy );
77
78 #endif
79
80 /*--------------------------------------------------------------------*/
81 /*--- end h_main.h ---*/
82 /*--------------------------------------------------------------------*/
83