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_H__ 13 #define __VPX_MEM_H__ 14 15 #if defined(__uClinux__) 16 # include <lddk.h> 17 #endif 18 19 /* vpx_mem version info */ 20 #define vpx_mem_version "2.2.1.5" 21 22 #define VPX_MEM_VERSION_CHIEF 2 23 #define VPX_MEM_VERSION_MAJOR 2 24 #define VPX_MEM_VERSION_MINOR 1 25 #define VPX_MEM_VERSION_PATCH 5 26 /* end - vpx_mem version info */ 27 28 #ifndef VPX_TRACK_MEM_USAGE 29 # define VPX_TRACK_MEM_USAGE 0 /* enable memory tracking/integrity checks */ 30 #endif 31 #ifndef VPX_CHECK_MEM_FUNCTIONS 32 # define VPX_CHECK_MEM_FUNCTIONS 0 /* enable basic safety checks in _memcpy, 33 _memset, and _memmove */ 34 #endif 35 #ifndef REPLACE_BUILTIN_FUNCTIONS 36 # define REPLACE_BUILTIN_FUNCTIONS 0 /* replace builtin functions with their 37 vpx_ equivalents */ 38 #endif 39 40 #include <stdlib.h> 41 #include <stddef.h> 42 43 #if defined(__cplusplus) 44 extern "C" { 45 #endif 46 47 /* 48 vpx_mem_get_version() 49 provided for runtime version checking. Returns an unsigned int of the form 50 CHIEF | MAJOR | MINOR | PATCH, where the chief version number is the high 51 order byte. 52 */ 53 unsigned int vpx_mem_get_version(void); 54 55 /* 56 vpx_mem_set_heap_size(size_t size) 57 size - size in bytes for the memory manager to allocate for its heap 58 Sets the memory manager's initial heap size 59 Return: 60 0: on success 61 -1: if memory manager calls have not been included in the vpx_mem lib 62 -2: if the memory manager has been compiled to use static memory 63 -3: if the memory manager has already allocated its heap 64 */ 65 int vpx_mem_set_heap_size(size_t size); 66 67 void *vpx_memalign(size_t align, size_t size); 68 void *vpx_malloc(size_t size); 69 void *vpx_calloc(size_t num, size_t size); 70 void *vpx_realloc(void *memblk, size_t size); 71 void vpx_free(void *memblk); 72 73 void *vpx_memcpy(void *dest, const void *src, size_t length); 74 void *vpx_memset(void *dest, int val, size_t length); 75 void *vpx_memmove(void *dest, const void *src, size_t count); 76 77 /* special memory functions */ 78 void *vpx_mem_alloc(int id, size_t size, size_t align); 79 void vpx_mem_free(int id, void *mem, size_t size); 80 81 /* Wrappers to standard library functions. */ 82 typedef void*(* g_malloc_func)(size_t); 83 typedef void*(* g_calloc_func)(size_t, size_t); 84 typedef void*(* g_realloc_func)(void *, size_t); 85 typedef void (* g_free_func)(void *); 86 typedef void*(* g_memcpy_func)(void *, const void *, size_t); 87 typedef void*(* g_memset_func)(void *, int, size_t); 88 typedef void*(* g_memmove_func)(void *, const void *, size_t); 89 90 int vpx_mem_set_functions(g_malloc_func g_malloc_l 91 , g_calloc_func g_calloc_l 92 , g_realloc_func g_realloc_l 93 , g_free_func g_free_l 94 , g_memcpy_func g_memcpy_l 95 , g_memset_func g_memset_l 96 , g_memmove_func g_memmove_l); 97 int vpx_mem_unset_functions(void); 98 99 100 /* some defines for backward compatibility */ 101 #define DMEM_GENERAL 0 102 103 #define duck_memalign(X,Y,Z) vpx_memalign(X,Y) 104 #define duck_malloc(X,Y) vpx_malloc(X) 105 #define duck_calloc(X,Y,Z) vpx_calloc(X,Y) 106 #define duck_realloc vpx_realloc 107 #define duck_free vpx_free 108 #define duck_memcpy vpx_memcpy 109 #define duck_memmove vpx_memmove 110 #define duck_memset vpx_memset 111 112 #if REPLACE_BUILTIN_FUNCTIONS 113 # ifndef __VPX_MEM_C__ 114 # define memalign vpx_memalign 115 # define malloc vpx_malloc 116 # define calloc vpx_calloc 117 # define realloc vpx_realloc 118 # define free vpx_free 119 # define memcpy vpx_memcpy 120 # define memmove vpx_memmove 121 # define memset vpx_memset 122 # endif 123 #endif 124 125 #if CONFIG_MEM_TRACKER 126 #include <stdarg.h> 127 /*from vpx_mem/vpx_mem_tracker.c*/ 128 extern void vpx_memory_tracker_dump(); 129 extern void vpx_memory_tracker_check_integrity(char *file, unsigned int line); 130 extern int vpx_memory_tracker_set_log_type(int type, char *option); 131 extern int vpx_memory_tracker_set_log_func(void *userdata, 132 void(*logfunc)(void *userdata, 133 const char *fmt, va_list args)); 134 # ifndef __VPX_MEM_C__ 135 # define vpx_memalign(align, size) xvpx_memalign((align), (size), __FILE__, __LINE__) 136 # define vpx_malloc(size) xvpx_malloc((size), __FILE__, __LINE__) 137 # define vpx_calloc(num, size) xvpx_calloc(num, size, __FILE__, __LINE__) 138 # define vpx_realloc(addr, size) xvpx_realloc(addr, size, __FILE__, __LINE__) 139 # define vpx_free(addr) xvpx_free(addr, __FILE__, __LINE__) 140 # define vpx_memory_tracker_check_integrity() vpx_memory_tracker_check_integrity(__FILE__, __LINE__) 141 # define vpx_mem_alloc(id,size,align) xvpx_mem_alloc(id, size, align, __FILE__, __LINE__) 142 # define vpx_mem_free(id,mem,size) xvpx_mem_free(id, mem, size, __FILE__, __LINE__) 143 # endif 144 145 void *xvpx_memalign(size_t align, size_t size, char *file, int line); 146 void *xvpx_malloc(size_t size, char *file, int line); 147 void *xvpx_calloc(size_t num, size_t size, char *file, int line); 148 void *xvpx_realloc(void *memblk, size_t size, char *file, int line); 149 void xvpx_free(void *memblk, char *file, int line); 150 void *xvpx_mem_alloc(int id, size_t size, size_t align, char *file, int line); 151 void xvpx_mem_free(int id, void *mem, size_t size, char *file, int line); 152 153 #else 154 # ifndef __VPX_MEM_C__ 155 # define vpx_memory_tracker_dump() 156 # define vpx_memory_tracker_check_integrity() 157 # define vpx_memory_tracker_set_log_type(t,o) 0 158 # define vpx_memory_tracker_set_log_func(u,f) 0 159 # endif 160 #endif 161 162 #if !VPX_CHECK_MEM_FUNCTIONS 163 # ifndef __VPX_MEM_C__ 164 # include <string.h> 165 # define vpx_memcpy memcpy 166 # define vpx_memset memset 167 # define vpx_memmove memmove 168 # endif 169 #endif 170 171 #ifdef VPX_MEM_PLTFRM 172 # include VPX_MEM_PLTFRM 173 #endif 174 175 #if defined(__cplusplus) 176 } 177 #endif 178 179 #endif /* __VPX_MEM_H__ */ 180
