]>
Commit | Line | Data |
---|---|---|
8d9254fc | 1 | /* Copyright (C) 2012-2020 Free Software Foundation, Inc. |
2077db1b CT |
2 | |
3 | This file is part of GCC. | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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. | |
18 | ||
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/>. */ | |
23 | ||
24 | #ifndef _VTV_UTILS_H | |
25 | #define _VTV_UTILS_H 1 | |
26 | ||
27 | #include <stdlib.h> | |
28 | #include "../include/vtv-change-permission.h" | |
29 | ||
30 | static inline void | |
31 | VTV_not_an_error (void) | |
32 | { | |
33 | } | |
34 | ||
35 | /* Handler for verification runtime errors. */ | |
36 | #define VTV_error abort | |
37 | ||
38 | /* Assertion macros used in vtable verification runtime. */ | |
39 | #define VTV_ASSERT(EXPR) \ | |
40 | if (!(EXPR)) VTV_error(); | |
41 | ||
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 | |
48 | ||
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))) | |
53 | ||
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); | |
61 | ||
62 | #endif /* VTV_UTILS_H */ |