2019-06-02 15:48:37 +00:00
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/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
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2014-09-21 17:33:12 +00:00
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _VTV_UTILS_H
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#define _VTV_UTILS_H 1
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#include <stdlib.h>
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#include "../include/vtv-change-permission.h"
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static inline void
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VTV_not_an_error (void)
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{
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}
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/* Handler for verification runtime errors. */
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#define VTV_error abort
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/* Assertion macros used in vtable verification runtime. */
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#define VTV_ASSERT(EXPR) \
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if (!(EXPR)) VTV_error();
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#ifdef VTV_DEBUG
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#define VTV_DEBUG_ASSERT(EXPR) \
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((bool) (!(EXPR)) ? VTV_error() : (void) 0)
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#else
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#define VTV_DEBUG_ASSERT(EXPR) ((void) 0)
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#endif
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/* Name of the section where we put general VTV variables for protection */
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#define VTV_PROTECTED_VARS_SECTION ".vtable_map_vars"
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#define VTV_PROTECTED_VAR \
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__attribute__ ((section (VTV_PROTECTED_VARS_SECTION)))
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/* The following logging routines try to use low level file access
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routines and avoid calling malloc. We need this so that we dont
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disturb the order of calls to dlopen. Changing the order of dlopen
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calls may lead to deadlocks */
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int __vtv_open_log (const char * name);
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int __vtv_add_to_log (int log, const char * format, ...);
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void __vtv_log_verification_failure (const char *, bool);
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#endif /* VTV_UTILS_H */
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