2 * Copyright (C) 2013-2019 Free Software Foundation, Inc.
4 * This file is part of GNU lightning.
6 * GNU lightning is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 3, or (at your option)
11 * GNU lightning is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 * License for more details.
17 * Paulo Cesar Pereira de Andrade
20 #include <lightning.h>
21 #include <lightning/jit_private.h>
27 static void *jit_default_alloc_func(size_t);
28 static void *jit_default_realloc_func(void*, size_t);
29 static void jit_default_free_func(void *);
34 static jit_alloc_func_ptr jit_alloc_ptr = jit_default_alloc_func;
35 static jit_realloc_func_ptr jit_realloc_ptr = jit_default_realloc_func;
36 static jit_free_func_ptr jit_free_ptr = jit_default_free_func;
42 jit_memcpy(jit_pointer_t dst, const void * src, jit_word_t size)
45 return (memcpy(dst, src, size));
50 jit_memmove(jit_pointer_t dst, const void *src , jit_word_t size)
53 return (memmove(dst, src, size));
58 jit_set_memory_functions(jit_alloc_func_ptr alloc_ptr,
59 jit_realloc_func_ptr realloc_ptr,
60 jit_free_func_ptr free_ptr)
62 if (alloc_ptr == NULL)
63 alloc_ptr = jit_default_alloc_func;
64 if (realloc_ptr == NULL)
65 realloc_ptr = jit_default_realloc_func;
67 free_ptr = jit_default_free_func;
68 jit_alloc_ptr = alloc_ptr;
69 jit_realloc_ptr = realloc_ptr;
70 jit_free_ptr = free_ptr;
74 jit_get_memory_functions(jit_alloc_func_ptr *alloc_ptr,
75 jit_realloc_func_ptr *realloc_ptr,
76 jit_free_func_ptr *free_ptr)
78 *alloc_ptr = jit_alloc_ptr;
79 *realloc_ptr = jit_realloc_ptr;
80 *free_ptr = jit_free_ptr;
84 jit_alloc(jit_pointer_t *ptr, jit_word_t size)
86 *ptr = (*jit_alloc_ptr)(size);
87 memset(*ptr, 0, size);
91 jit_realloc(jit_pointer_t *ptr, jit_word_t old_size, jit_word_t new_size)
93 *ptr = (*jit_realloc_ptr)(*ptr, new_size);
94 if (old_size < new_size)
95 memset((jit_int8_t*)*ptr + old_size, 0, new_size - old_size);
99 jit_free(jit_pointer_t *ptr)
102 (*jit_free_ptr)(*ptr);
108 jit_default_alloc_func(size_t size)
110 return (malloc(size));
114 jit_default_realloc_func(void *ptr, size_t size)
116 return (realloc(ptr, size));
120 jit_default_free_func(void *ptr)