1 | /* Compatibility code for malloc debugging and state management. |
2 | Copyright (C) 2001-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public License as |
7 | published by the Free Software Foundation; either version 2.1 of the |
8 | License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; see the file COPYING.LIB. If |
17 | not, see <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef weak_variable |
20 | # define weak_variable weak_function |
21 | #endif |
22 | |
23 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_24) |
24 | void (*__malloc_initialize_hook) (void); |
25 | compat_symbol (libc, __malloc_initialize_hook, |
26 | __malloc_initialize_hook, GLIBC_2_0); |
27 | #endif |
28 | |
29 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_34) |
30 | void weak_variable (*__after_morecore_hook) (void) = NULL; |
31 | compat_symbol (libc, __after_morecore_hook, __after_morecore_hook, GLIBC_2_0); |
32 | void *(*__morecore)(ptrdiff_t); |
33 | compat_symbol (libc, __morecore, __morecore, GLIBC_2_0); |
34 | |
35 | void weak_variable (*__free_hook) (void *, const void *) = NULL; |
36 | void *weak_variable (*__malloc_hook) (size_t, const void *) = NULL; |
37 | void *weak_variable (*__realloc_hook) (void *, size_t, const void *) = NULL; |
38 | void *weak_variable (*__memalign_hook) (size_t, size_t, const void *) = NULL; |
39 | compat_symbol (libc, __free_hook, __free_hook, GLIBC_2_0); |
40 | compat_symbol (libc, __malloc_hook, __malloc_hook, GLIBC_2_0); |
41 | compat_symbol (libc, __realloc_hook, __realloc_hook, GLIBC_2_0); |
42 | compat_symbol (libc, __memalign_hook, __memalign_hook, GLIBC_2_0); |
43 | #endif |
44 | |
45 | /* |
46 | * Local variables: |
47 | * c-basic-offset: 2 |
48 | * End: |
49 | */ |
50 | |