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55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/* Copyright (C) 2010 Monty Program Ab
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This program 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; version 2 of the License.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* clang -> gcc */
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#ifndef __has_feature
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# define __has_feature(x) 0
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#endif
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#if __has_feature(address_sanitizer)
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# define __SANITIZE_ADDRESS__ 1
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#endif
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#ifdef HAVE_valgrind
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#define IF_VALGRIND(A,B) A
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#else
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#define IF_VALGRIND(A,B) B
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#endif
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#if defined(HAVE_VALGRIND) && defined(HAVE_valgrind)
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# include <valgrind/memcheck.h>
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# define MEM_UNDEFINED(a,len) VALGRIND_MAKE_MEM_UNDEFINED(a,len)
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# define MEM_NOACCESS(a,len) VALGRIND_MAKE_MEM_NOACCESS(a,len)
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# define MEM_CHECK_ADDRESSABLE(a,len) VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,len)
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# define MEM_CHECK_DEFINED(a,len) VALGRIND_CHECK_MEM_IS_DEFINED(a,len)
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#elif defined(__SANITIZE_ADDRESS__)
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# include <sanitizer/asan_interface.h>
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# define MEM_UNDEFINED(a,len) ASAN_UNPOISON_MEMORY_REGION(a,len)
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# define MEM_NOACCESS(a,len) ASAN_POISON_MEMORY_REGION(a,len)
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# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0)
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# define MEM_CHECK_DEFINED(a,len) ((void) 0)
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#else
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# define MEM_UNDEFINED(a,len) ((void) 0)
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# define MEM_NOACCESS(a,len) ((void) 0)
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# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0)
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# define MEM_CHECK_DEFINED(a,len) ((void) 0)
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#endif /* HAVE_VALGRIND */
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#ifndef DBUG_OFF
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#define TRASH_FILL(A,B,C) do { MEM_UNDEFINED(A,B); memset(A,C,B); } while(0)
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#else
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#define TRASH_FILL(A,B,C) do { MEM_UNDEFINED(A,B); } while(0)
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#endif
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#define TRASH_ALLOC(A,B) do { TRASH_FILL(A,B,0xA5); MEM_UNDEFINED(A,B); } while(0)
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#define TRASH_FREE(A,B) do { TRASH_FILL(A,B,0x8F); MEM_NOACCESS(A,B); } while(0)
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