From 06eaf7232e9a920468c0f8d74dcf2fe8b555501c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:24:36 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- include/my_valgrind.h | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 include/my_valgrind.h (limited to 'include/my_valgrind.h') diff --git a/include/my_valgrind.h b/include/my_valgrind.h new file mode 100644 index 00000000..dfe2c3db --- /dev/null +++ b/include/my_valgrind.h @@ -0,0 +1,104 @@ +/* Copyright (C) 2010, 2022, MariaDB Corporation. + + This program 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; version 2 of the License. + + This program 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef MY_VALGRIND_INCLUDED +#define MY_VALGRIND_INCLUDED + +/* clang -> gcc */ +#ifndef __has_feature +# define __has_feature(x) 0 +#endif +#if __has_feature(address_sanitizer) +# define __SANITIZE_ADDRESS__ 1 +#endif + +#if __has_feature(memory_sanitizer) +# include +# define HAVE_valgrind +# define HAVE_MEM_CHECK +# define MEM_UNDEFINED(a,len) __msan_allocated_memory(a,len) +# define MEM_MAKE_ADDRESSABLE(a,len) MEM_UNDEFINED(a,len) +# define MEM_MAKE_DEFINED(a,len) __msan_unpoison(a,len) +# define MEM_NOACCESS(a,len) ((void) 0) +# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0) +# define MEM_CHECK_DEFINED(a,len) __msan_check_mem_is_initialized(a,len) +# define MEM_GET_VBITS(a,b,len) __msan_copy_shadow(b,a,len) +# define MEM_SET_VBITS(a,b,len) __msan_copy_shadow(a,b,len) +# define REDZONE_SIZE 8 +# ifdef __linux__ +# define MSAN_STAT_WORKAROUND(st) MEM_MAKE_DEFINED(st, sizeof(*st)) +# else +# define MSAN_STAT_WORKAROUND(st) ((void) 0) +# endif +#elif defined(HAVE_VALGRIND_MEMCHECK_H) && defined(HAVE_valgrind) +# include +# define HAVE_MEM_CHECK +# define MEM_UNDEFINED(a,len) VALGRIND_MAKE_MEM_UNDEFINED(a,len) +# define MEM_MAKE_ADDRESSABLE(a,len) MEM_UNDEFINED(a,len) +# define MEM_MAKE_DEFINED(a,len) VALGRIND_MAKE_MEM_DEFINED(a,len) +# define MEM_NOACCESS(a,len) VALGRIND_MAKE_MEM_NOACCESS(a,len) +# define MEM_CHECK_ADDRESSABLE(a,len) VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,len) +# define MEM_CHECK_DEFINED(a,len) VALGRIND_CHECK_MEM_IS_DEFINED(a,len) +# define MEM_GET_VBITS(a,b,len) VALGRIND_GET_VBITS(a,b,len) +# define MEM_SET_VBITS(a,b,len) VALGRIND_SET_VBITS(a,b,len) +# define REDZONE_SIZE 8 +# define MSAN_STAT_WORKAROUND(st) ((void) 0) +#elif defined(__SANITIZE_ADDRESS__) && (!defined(_MSC_VER) || defined (__clang__)) +# include +/* How to do manual poisoning: +https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning */ +# define MEM_UNDEFINED(a,len) ((void) 0) +# define MEM_MAKE_ADDRESSABLE(a,len) ASAN_UNPOISON_MEMORY_REGION(a,len) +# define MEM_MAKE_DEFINED(a,len) ((void) 0) +# define MEM_NOACCESS(a,len) ASAN_POISON_MEMORY_REGION(a,len) +# define MEM_CHECK_ADDRESSABLE(a,len) \ + assert(!__asan_region_is_poisoned((void*) a,len)) +# define MEM_CHECK_DEFINED(a,len) ((void) 0) +# define MEM_GET_VBITS(a,b,len) ((void) 0) +# define MEM_SET_VBITS(a,b,len) ((void) 0) +# define MSAN_STAT_WORKAROUND(st) ((void) 0) +# define REDZONE_SIZE 8 +#else +# define MEM_UNDEFINED(a,len) ((void) 0) +# define MEM_MAKE_ADDRESSABLE(a,len) ((void) 0) +# define MEM_MAKE_DEFINED(a,len) ((void) 0) +# define MEM_NOACCESS(a,len) ((void) 0) +# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0) +# define MEM_CHECK_DEFINED(a,len) ((void) 0) +# define MEM_GET_VBITS(a,b,len) ((void) 0) +# define MEM_SET_VBITS(a,b,len) ((void) 0) +# define REDZONE_SIZE 0 +# define MSAN_STAT_WORKAROUND(st) ((void) 0) +#endif /* __has_feature(memory_sanitizer) */ + +#ifdef TRASH_FREED_MEMORY +/* + _TRASH_FILL() has to call MEM_MAKE_ADDRESSABLE() to cancel any effect of + TRASH_FREE(). + This can happen in the case one does + TRASH_ALLOC(A,B) ; TRASH_FREE(A,B) ; TRASH_ALLOC(A,B) + to reuse the same memory in an internal memory allocator like MEM_ROOT. + _TRASH_FILL() is an internal function and should not be used externally. +*/ +#define _TRASH_FILL(A,B,C) do { const size_t trash_tmp= (B); MEM_MAKE_ADDRESSABLE(A, trash_tmp); memset(A, C, trash_tmp); } while (0) +#else +#define _TRASH_FILL(A,B,C) do { MEM_UNDEFINED((A), (B)); } while (0) +#endif +/** Note that some memory became allocated and/or uninitialized. */ +#define TRASH_ALLOC(A,B) do { _TRASH_FILL(A,B,0xA5); MEM_MAKE_ADDRESSABLE(A,B); } while(0) +/** Note that some memory became freed. (Prohibit further access to it.) */ +#define TRASH_FREE(A,B) do { _TRASH_FILL(A,B,0x8F); MEM_NOACCESS(A,B); } while(0) + +#endif /* MY_VALGRIND_INCLUDED */ -- cgit v1.2.3