1 | /* Utilities functions to name memory mappings. |
2 | Copyright (C) 2023-2024 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 |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the 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; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef __SETVMANAME_H |
20 | #define __SETVMANAME_H |
21 | |
22 | /* Set the NAME to the anonymous memory map START with size of LEN. |
23 | It assumes well-formatted input. */ |
24 | #if IS_IN(libc) || IS_IN(rtld) |
25 | void __set_vma_name (void *start, size_t len, const char *name) |
26 | attribute_hidden; |
27 | #else |
28 | #include <sys/prctl.h> |
29 | |
30 | static inline void __set_vma_name (void *start, size_t len, const char *name) |
31 | { |
32 | prctl (PR_SET_VMA, PR_SET_VMA_ANON_NAME, start, len, name); |
33 | } |
34 | #endif |
35 | |
36 | #endif |
37 | |