1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #ifndef VPX_MEM_VPX_MEM_H_ 13 #define VPX_MEM_VPX_MEM_H_ 14 15 #include "vpx_config.h" 16 #if defined(__uClinux__) 17 # include <lddk.h> 18 #endif 19 20 /* vpx_mem version info */ 21 #define vpx_mem_version "2.2.1.5" 22 23 #define VPX_MEM_VERSION_CHIEF 2 24 #define VPX_MEM_VERSION_MAJOR 2 25 #define VPX_MEM_VERSION_MINOR 1 26 #define VPX_MEM_VERSION_PATCH 5 27 /* end - vpx_mem version info */ 28 29 #ifndef VPX_TRACK_MEM_USAGE 30 # define VPX_TRACK_MEM_USAGE 0 /* enable memory tracking/integrity checks */ 31 #endif 32 #ifndef VPX_CHECK_MEM_FUNCTIONS 33 # define VPX_CHECK_MEM_FUNCTIONS 0 /* enable basic safety checks in _memcpy, 34 _memset, and _memmove */ 35 #endif 36 #ifndef REPLACE_BUILTIN_FUNCTIONS 37 # define REPLACE_BUILTIN_FUNCTIONS 0 /* replace builtin functions with their 38 vpx_ equivalents */ 39 #endif 40 41 #include <stdlib.h> 42 #include <stddef.h> 43 44 #if defined(__cplusplus) 45 extern "C" { 46 #endif 47 48 /* 49 vpx_mem_get_version() 50 provided for runtime version checking. Returns an unsigned int of the form 51 CHIEF | MAJOR | MINOR | PATCH, where the chief version number is the high 52 order byte. 53 */ 54 unsigned int vpx_mem_get_version(void); 55 56 /* 57 vpx_mem_set_heap_size(size_t size) 58 size - size in bytes for the memory manager to allocate for its heap 59 Sets the memory manager's initial heap size 60 Return: 61 0: on success 62 -1: if memory manager calls have not been included in the vpx_mem lib 63 -2: if the memory manager has been compiled to use static memory 64 -3: if the memory manager has already allocated its heap 65 */ 66 int vpx_mem_set_heap_size(size_t size); 67 68 void *vpx_memalign(size_t align, size_t size); 69 void *vpx_malloc(size_t size); 70 void *vpx_calloc(size_t num, size_t size); 71 void *vpx_realloc(void *memblk, size_t size); 72 void vpx_free(void *memblk); 73 74 void *vpx_memcpy(void *dest, const void *src, size_t length); 75 void *vpx_memset(void *dest, int val, size_t length); 76 void *vpx_memmove(void *dest, const void *src, size_t count); 77 78 /* special memory functions */ 79 void *vpx_mem_alloc(int id, size_t size, size_t align); 80 void vpx_mem_free(int id, void *mem, size_t size); 81 82 /* Wrappers to standard library functions. */ 83 typedef void *(* g_malloc_func)(size_t); 84 typedef void *(* g_calloc_func)(size_t, size_t); 85 typedef void *(* g_realloc_func)(void *, size_t); 86 typedef void (* g_free_func)(void *); 87 typedef void *(* g_memcpy_func)(void *, const void *, size_t); 88 typedef void *(* g_memset_func)(void *, int, size_t); 89 typedef void *(* g_memmove_func)(void *, const void *, size_t); 90 91 int vpx_mem_set_functions(g_malloc_func g_malloc_l 92 , g_calloc_func g_calloc_l 93 , g_realloc_func g_realloc_l 94 , g_free_func g_free_l 95 , g_memcpy_func g_memcpy_l 96 , g_memset_func g_memset_l 97 , g_memmove_func g_memmove_l); 98 int vpx_mem_unset_functions(void); 99 100 101 /* some defines for backward compatibility */ 102 #define DMEM_GENERAL 0 103 104 // (*)< 105 106 #if REPLACE_BUILTIN_FUNCTIONS 107 # ifndef __VPX_MEM_C__ 108 # define memalign vpx_memalign 109 # define malloc vpx_malloc 110 # define calloc vpx_calloc 111 # define realloc vpx_realloc 112 # define free vpx_free 113 # define memcpy vpx_memcpy 114 # define memmove vpx_memmove 115 # define memset vpx_memset 116 # endif 117 #endif 118 119 #if CONFIG_MEM_TRACKER 120 #include <stdarg.h> 121 /*from vpx_mem/vpx_mem_tracker.c*/ 122 extern void vpx_memory_tracker_dump(); 123 extern void vpx_memory_tracker_check_integrity(char *file, unsigned int line); 124 extern int vpx_memory_tracker_set_log_type(int type, char *option); 125 extern int vpx_memory_tracker_set_log_func(void *userdata, 126 void(*logfunc)(void *userdata, 127 const char *fmt, va_list args)); 128 # ifndef __VPX_MEM_C__ 129 # define vpx_memalign(align, size) xvpx_memalign((align), (size), __FILE__, __LINE__) 130 # define vpx_malloc(size) xvpx_malloc((size), __FILE__, __LINE__) 131 # define vpx_calloc(num, size) xvpx_calloc(num, size, __FILE__, __LINE__) 132 # define vpx_realloc(addr, size) xvpx_realloc(addr, size, __FILE__, __LINE__) 133 # define vpx_free(addr) xvpx_free(addr, __FILE__, __LINE__) 134 # define vpx_memory_tracker_check_integrity() vpx_memory_tracker_check_integrity(__FILE__, __LINE__) 135 # define vpx_mem_alloc(id,size,align) xvpx_mem_alloc(id, size, align, __FILE__, __LINE__) 136 # define vpx_mem_free(id,mem,size) xvpx_mem_free(id, mem, size, __FILE__, __LINE__) 137 # endif 138 139 void *xvpx_memalign(size_t align, size_t size, char *file, int line); 140 void *xvpx_malloc(size_t size, char *file, int line); 141 void *xvpx_calloc(size_t num, size_t size, char *file, int line); 142 void *xvpx_realloc(void *memblk, size_t size, char *file, int line); 143 void xvpx_free(void *memblk, char *file, int line); 144 void *xvpx_mem_alloc(int id, size_t size, size_t align, char *file, int line); 145 void xvpx_mem_free(int id, void *mem, size_t size, char *file, int line); 146 147 #else 148 # ifndef __VPX_MEM_C__ 149 # define vpx_memory_tracker_dump() 150 # define vpx_memory_tracker_check_integrity() 151 # define vpx_memory_tracker_set_log_type(t,o) 0 152 # define vpx_memory_tracker_set_log_func(u,f) 0 153 # endif 154 #endif 155 156 #if !VPX_CHECK_MEM_FUNCTIONS 157 # ifndef __VPX_MEM_C__ 158 # include <string.h> 159 # define vpx_memcpy memcpy 160 # define vpx_memset memset 161 # define vpx_memmove memmove 162 # endif 163 #endif 164 165 #ifdef VPX_MEM_PLTFRM 166 # include VPX_MEM_PLTFRM 167 #endif 168 169 #if defined(__cplusplus) 170 } 171 #endif 172 173 #endif // VPX_MEM_VPX_MEM_H_ 174