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9dad716d | 1 | /* mtrace API for `malloc'. |
6d7e8eda | 2 | Copyright (C) 1991-2023 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
6d52618b | 4 | |
41bdb6e2 AJ |
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 | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
6d52618b | 9 | |
41bdb6e2 | 10 | The GNU C Library is distributed in the hope that it will be useful, |
6d52618b UD |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
6d52618b | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
6d52618b | 18 | |
9dad716d SP |
19 | #if !IS_IN (libc) |
20 | # include "mtrace-impl.c" | |
21 | #else | |
22 | # include <shlib-compat.h> | |
23 | # include <libc-symbols.h> | |
6d52618b UD |
24 | #endif |
25 | ||
9dad716d | 26 | #if IS_IN (libc) && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_34) |
00d28960 SP |
27 | /* Compatibility symbols that were introduced to help break at allocation sites |
28 | for specific memory allocations. This is unusable with ASLR, although gdb | |
29 | may allow predictable allocation addresses. Even then, gdb has watchpoint | |
30 | and conditional breakpoint support which should provide the same | |
31 | functionality without having this kludge. These symbols are preserved in | |
32 | case some applications ended up linking against them but they don't actually | |
33 | do anything anymore; not that they did much before anyway. */ | |
34 | ||
7c241325 | 35 | void *mallwatch; |
00d28960 SP |
36 | compat_symbol (libc, mallwatch, mallwatch, GLIBC_2_0); |
37 | ||
38 | void | |
39 | tr_break (void) | |
40 | { | |
41 | } | |
42 | compat_symbol (libc, tr_break, tr_break, GLIBC_2_0); | |
43 | #endif | |
44 | ||
6d52618b | 45 | |
6d52618b | 46 | void |
60d2f8f3 | 47 | mtrace (void) |
6d52618b | 48 | { |
9dad716d SP |
49 | #if !IS_IN (libc) |
50 | do_mtrace (); | |
a5a0310d | 51 | #endif |
6d52618b UD |
52 | } |
53 | ||
54 | void | |
60d2f8f3 | 55 | muntrace (void) |
6d52618b | 56 | { |
9dad716d SP |
57 | #if !IS_IN (libc) |
58 | do_muntrace (); | |
59 | #endif | |
6d52618b | 60 | } |