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>
26 static void *jit_default_alloc_func(size_t);
27 static void *jit_default_realloc_func(void*, size_t);
28 static void jit_default_free_func(void *);
33 static jit_alloc_func_ptr jit_alloc_ptr = jit_default_alloc_func;
34 static jit_realloc_func_ptr jit_realloc_ptr = jit_default_realloc_func;
35 static jit_free_func_ptr jit_free_ptr = jit_default_free_func;
41 jit_memcpy(jit_pointer_t dst, const void * src, jit_word_t size)
44 return (memcpy(dst, src, size));
49 jit_memmove(jit_pointer_t dst, const void *src , jit_word_t size)
52 return (memmove(dst, src, size));
57 jit_set_memory_functions(jit_alloc_func_ptr alloc_ptr,
58 jit_realloc_func_ptr realloc_ptr,
59 jit_free_func_ptr free_ptr)
61 if (alloc_ptr == NULL)
62 alloc_ptr = jit_default_alloc_func;
63 if (realloc_ptr == NULL)
64 realloc_ptr = jit_default_realloc_func;
66 free_ptr = jit_default_free_func;
67 jit_alloc_ptr = alloc_ptr;
68 jit_realloc_ptr = realloc_ptr;
69 jit_free_ptr = free_ptr;
73 jit_get_memory_functions(jit_alloc_func_ptr *alloc_ptr,
74 jit_realloc_func_ptr *realloc_ptr,
75 jit_free_func_ptr *free_ptr)
77 *alloc_ptr = jit_alloc_ptr;
78 *realloc_ptr = jit_realloc_ptr;
79 *free_ptr = jit_free_ptr;
83 jit_alloc(jit_pointer_t *ptr, jit_word_t size)
85 *ptr = (*jit_alloc_ptr)(size);
86 memset(*ptr, 0, size);
90 jit_realloc(jit_pointer_t *ptr, jit_word_t old_size, jit_word_t new_size)
92 *ptr = (*jit_realloc_ptr)(*ptr, new_size);
93 if (old_size < new_size)
94 memset((jit_int8_t*)*ptr + old_size, 0, new_size - old_size);
98 jit_free(jit_pointer_t *ptr)
101 (*jit_free_ptr)(*ptr);
107 jit_default_alloc_func(size_t size)
109 return (malloc(size));
113 jit_default_realloc_func(void *ptr, size_t size)
115 return (realloc(ptr, size));
119 jit_default_free_func(void *ptr)