| /* Copyright (C) 2012-2021 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _VTV_UTILS_H |
| #define _VTV_UTILS_H 1 |
| |
| #include <stdlib.h> |
| #include "../include/vtv-change-permission.h" |
| |
| static inline void |
| VTV_not_an_error (void) |
| { |
| } |
| |
| /* Handler for verification runtime errors. */ |
| #define VTV_error abort |
| |
| /* Assertion macros used in vtable verification runtime. */ |
| #define VTV_ASSERT(EXPR) \ |
| if (!(EXPR)) VTV_error(); |
| |
| #ifdef VTV_DEBUG |
| #define VTV_DEBUG_ASSERT(EXPR) \ |
| ((bool) (!(EXPR)) ? VTV_error() : (void) 0) |
| #else |
| #define VTV_DEBUG_ASSERT(EXPR) ((void) 0) |
| #endif |
| |
| /* Name of the section where we put general VTV variables for protection */ |
| #define VTV_PROTECTED_VARS_SECTION ".vtable_map_vars" |
| #define VTV_PROTECTED_VAR \ |
| __attribute__ ((section (VTV_PROTECTED_VARS_SECTION))) |
| |
| /* The following logging routines try to use low level file access |
| routines and avoid calling malloc. We need this so that we dont |
| disturb the order of calls to dlopen. Changing the order of dlopen |
| calls may lead to deadlocks */ |
| int __vtv_open_log (const char * name); |
| int __vtv_add_to_log (int log, const char * format, ...); |
| void __vtv_log_verification_failure (const char *, bool); |
| |
| #endif /* VTV_UTILS_H */ |