stdlib.h
1 /* 2 * 3 * Copyright (C) 2008 Advanced Micro Devices, Inc. 4 * Copyright 2013 Google Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _STDLIB_H 31 #define _STDLIB_H 32 33 #include <commonlib/bsd/stdlib.h> 34 #include <die.h> 35 #include <stddef.h> 36 #include <string.h> 37 38 /** 39 * @defgroup malloc Memory allocation functions 40 * @{ 41 */ 42 void *realloc(void *ptr, size_t size); 43 void *dma_malloc(size_t size); 44 void *dma_memalign(size_t align, size_t size); 45 46 #if CONFIG(LP_DEBUG_MALLOC) && !defined(IN_MALLOC_C) 47 #include <stdio.h> 48 void print_malloc_map(void); 49 #define free(p) ({ \ 50 void *__p = p; \ 51 printf("free(%p) called from %s:%s:%d...\n", __p, __FILE__, __func__, \ 52 __LINE__);\ 53 printf("PRE free()\n"); \ 54 print_malloc_map(); \ 55 free(__p); \ 56 printf("POST free()\n"); \ 57 print_malloc_map(); \ 58 }) 59 #define malloc(s) ({ \ 60 size_t __s = s; \ 61 void *ptr; \ 62 printf("malloc(%zu) called from %s:%s:%d...\n", __s, __FILE__, \ 63 __func__, __LINE__);\ 64 printf("PRE malloc\n"); \ 65 print_malloc_map(); \ 66 ptr = malloc(__s); \ 67 printf("POST malloc (ptr = %p)\n", ptr); \ 68 print_malloc_map(); \ 69 ptr; \ 70 }) 71 #define calloc(n, s) ({ \ 72 size_t __n = n, __s = s; \ 73 void *ptr; \ 74 printf("calloc(%zu, %zu) called from %s:%s:%d...\n", __n, __s, \ 75 __FILE__, __func__, __LINE__);\ 76 printf("PRE calloc\n"); \ 77 print_malloc_map(); \ 78 ptr = calloc(__n, __s); \ 79 printf("POST calloc (ptr = %p)\n", ptr); \ 80 print_malloc_map(); \ 81 ptr; \ 82 }) 83 #define realloc(p, s) ({ \ 84 void *__p = p; \ 85 size_t __s = s; \ 86 void *ptr; \ 87 printf("realloc(%p, %zu) called from %s:%s:%d...\n", __p, __s, \ 88 __FILE__, __func__, __LINE__);\ 89 printf("PRE realloc\n"); \ 90 print_malloc_map(); \ 91 ptr = realloc(__p, __s); \ 92 printf("POST realloc (ptr = %p)\n", ptr); \ 93 print_malloc_map(); \ 94 ptr; \ 95 }) 96 #define memalign(a, s) ({ \ 97 size_t __a = a, __s = s; \ 98 void *ptr; \ 99 printf("memalign(%zu, %zu) called from %s:%s:%d...\n", __a, __s, \ 100 __FILE__, __func__, __LINE__);\ 101 printf("PRE memalign\n"); \ 102 print_malloc_map(); \ 103 ptr = memalign(__a, __s); \ 104 printf("POST memalign (ptr = %p)\n", ptr); \ 105 print_malloc_map(); \ 106 ptr; \ 107 }) 108 #define dma_malloc(s) ({ \ 109 size_t __s = s; \ 110 void *ptr; \ 111 printf("dma_malloc(%zu) called from %s:%s:%d...\n", __s, __FILE__, \ 112 __func__, __LINE__);\ 113 printf("PRE dma_malloc\n"); \ 114 print_malloc_map(); \ 115 ptr = dma_malloc(__s); \ 116 printf("POST dma_malloc (ptr = %p)\n", ptr); \ 117 print_malloc_map(); \ 118 ptr; \ 119 }) 120 #define dma_memalign(a, s) ({ \ 121 size_t __a = a, __s = s; \ 122 void *ptr; \ 123 printf("dma_memalign(%zu, %zu) called from %s:%s:%d...\n", __a, __s, \ 124 __FILE__, __func__, __LINE__);\ 125 printf("PRE dma_memalign\n"); \ 126 print_malloc_map(); \ 127 ptr = dma_memalign(__a, __s); \ 128 printf("POST dma_memalign (ptr = %p)\n", ptr); \ 129 print_malloc_map(); \ 130 ptr; \ 131 }) 132 #endif 133 134 void init_dma_memory(void *start, u32 size); 135 int dma_initialized(void); 136 void dma_allocator_range(void **start_out, size_t *size_out); 137 138 /** @} */ 139 140 /** 141 * @defgroup stdlib String conversion functions 142 * @{ 143 */ 144 long int strtol(const char *s, char **nptr, int base); 145 long long int strtoll(const char *s, char **nptr, int base); 146 unsigned long int strtoul(const char *s, char **nptr, int base); 147 unsigned long long int strtoull(const char *s, char **nptr, int base); 148 long atol(const char *nptr); 149 150 /** @} */ 151 152 /** 153 * @defgroup rand Random number generator functions 154 * @{ 155 */ 156 int rand_r(unsigned int *seed); 157 int rand(void); 158 void srand(unsigned int seed); 159 /** @} */ 160 161 /** 162 * @defgroup misc Misc functions 163 * @{ 164 */ 165 int abs(int j); 166 long int labs(long int j); 167 long long int llabs(long long int j); 168 /** @} */ 169 170 void qsort(void *aa, size_t n, size_t es, int (*cmp)(const void *, const void *)); 171 char *getenv(const char*); 172 uint64_t __umoddi3(uint64_t num, uint64_t den); 173 uint64_t __udivdi3(uint64_t num, uint64_t den); 174 uint64_t __ashldi3(uint64_t num, unsigned shift); 175 uint64_t __lshrdi3(uint64_t num, unsigned shift); 176 177 void __noreturn exit(int status); 178 179 #endif