2017-12-07 Vladimir Makarov <vmakarov@redhat.com>
[official-gcc.git] / libvtv / vtv_utils.h
blob15df23581b963bbee50313f0abbb4ddf8e36638f
1 /* Copyright (C) 2012-2017 Free Software Foundation, Inc.
3 This file is part of GCC.
5 GCC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
10 GCC is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
24 #ifndef _VTV_UTILS_H
25 #define _VTV_UTILS_H 1
27 #include <stdlib.h>
28 #include "../include/vtv-change-permission.h"
30 static inline void
31 VTV_not_an_error (void)
35 /* Handler for verification runtime errors. */
36 #define VTV_error abort
38 /* Assertion macros used in vtable verification runtime. */
39 #define VTV_ASSERT(EXPR) \
40 if (!(EXPR)) VTV_error();
42 #ifdef VTV_DEBUG
43 #define VTV_DEBUG_ASSERT(EXPR) \
44 ((bool) (!(EXPR)) ? VTV_error() : (void) 0)
45 #else
46 #define VTV_DEBUG_ASSERT(EXPR) ((void) 0)
47 #endif
49 /* Name of the section where we put general VTV variables for protection */
50 #define VTV_PROTECTED_VARS_SECTION ".vtable_map_vars"
51 #define VTV_PROTECTED_VAR \
52 __attribute__ ((section (VTV_PROTECTED_VARS_SECTION)))
54 /* The following logging routines try to use low level file access
55 routines and avoid calling malloc. We need this so that we dont
56 disturb the order of calls to dlopen. Changing the order of dlopen
57 calls may lead to deadlocks */
58 int __vtv_open_log (const char * name);
59 int __vtv_add_to_log (int log, const char * format, ...);
60 void __vtv_log_verification_failure (const char *, bool);
62 #endif /* VTV_UTILS_H */