fb550ee620
this prevents returning an address smaller than the natural heap alignment from vpx_malloc on e.g., x86_64 Change-Id: I283e858664a8529f28b22060c3815116a7798c0d
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
|
|
#ifndef __VPX_MEM_INTRNL_H__
|
|
#define __VPX_MEM_INTRNL_H__
|
|
#include "./vpx_config.h"
|
|
|
|
#ifndef CONFIG_MEM_MANAGER
|
|
# if defined(VXWORKS)
|
|
# define CONFIG_MEM_MANAGER 1 /*include heap manager functionality,*/
|
|
/*default: enabled on vxworks*/
|
|
# else
|
|
# define CONFIG_MEM_MANAGER 0 /*include heap manager functionality*/
|
|
# endif
|
|
#endif /*CONFIG_MEM_MANAGER*/
|
|
|
|
#ifndef CONFIG_MEM_TRACKER
|
|
# define CONFIG_MEM_TRACKER 1 /*include xvpx_* calls in the lib*/
|
|
#endif
|
|
|
|
#ifndef CONFIG_MEM_CHECKS
|
|
# define CONFIG_MEM_CHECKS 0 /*include some basic safety checks in
|
|
vpx_memcpy, _memset, and _memmove*/
|
|
#endif
|
|
|
|
#ifndef USE_GLOBAL_FUNCTION_POINTERS
|
|
# define USE_GLOBAL_FUNCTION_POINTERS 0 /*use function pointers instead of compiled functions.*/
|
|
#endif
|
|
|
|
#if CONFIG_MEM_TRACKER
|
|
# include "vpx_mem_tracker.h"
|
|
# if VPX_MEM_TRACKER_VERSION_CHIEF != 2 || VPX_MEM_TRACKER_VERSION_MAJOR != 5
|
|
# error "vpx_mem requires memory tracker version 2.5 to track memory usage"
|
|
# endif
|
|
#endif
|
|
|
|
#define ADDRESS_STORAGE_SIZE sizeof(size_t)
|
|
|
|
#ifndef DEFAULT_ALIGNMENT
|
|
# if defined(VXWORKS)
|
|
# define DEFAULT_ALIGNMENT 32 /*default addr alignment to use in
|
|
calls to vpx_* functions other
|
|
than vpx_memalign*/
|
|
# else
|
|
# define DEFAULT_ALIGNMENT (2 * sizeof(void*)) /* NOLINT */
|
|
# endif
|
|
#endif
|
|
|
|
#if CONFIG_MEM_TRACKER
|
|
# define TRY_BOUNDS_CHECK 1 /*when set to 1 pads each allocation,
|
|
integrity can be checked using
|
|
vpx_memory_tracker_check_integrity
|
|
or on free by defining*/
|
|
/*TRY_BOUNDS_CHECK_ON_FREE*/
|
|
#else
|
|
# define TRY_BOUNDS_CHECK 0
|
|
#endif /*CONFIG_MEM_TRACKER*/
|
|
|
|
#if TRY_BOUNDS_CHECK
|
|
# define TRY_BOUNDS_CHECK_ON_FREE 0 /*checks mem integrity on every
|
|
free, very expensive*/
|
|
# define BOUNDS_CHECK_VALUE 0xdeadbeef /*value stored before/after ea.
|
|
mem addr for bounds checking*/
|
|
# define BOUNDS_CHECK_PAD_SIZE 32 /*size of the padding before and
|
|
after ea allocation to be filled
|
|
with BOUNDS_CHECK_VALUE.
|
|
this should be a multiple of 4*/
|
|
#else
|
|
# define BOUNDS_CHECK_VALUE 0
|
|
# define BOUNDS_CHECK_PAD_SIZE 0
|
|
#endif /*TRY_BOUNDS_CHECK*/
|
|
|
|
#ifndef REMOVE_PRINTFS
|
|
# define REMOVE_PRINTFS 0
|
|
#endif
|
|
|
|
/* Should probably use a vpx_mem logger function. */
|
|
#if REMOVE_PRINTFS
|
|
# define _P(x)
|
|
#else
|
|
# define _P(x) x
|
|
#endif
|
|
|
|
/*returns an addr aligned to the byte boundary specified by align*/
|
|
#define align_addr(addr,align) (void*)(((size_t)(addr) + ((align) - 1)) & (size_t)-(align))
|
|
|
|
#endif /*__VPX_MEM_INTRNL_H__*/
|