blob: 9f5f7943667fef74aaad5e9f7e3106707ff9ec14 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* Unmap a shared object's segments. Generic version.
Copyright (C) 2014-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _DL_UNMAP_SEGMENTS_H
#define _DL_UNMAP_SEGMENTS_H 1
#include <link.h>
#include <sys/mman.h>
/* _dl_map_segments ensures that any whole pages in gaps between segments
are filled in with PROT_NONE mappings. So we can just unmap the whole
range in one fell swoop. */
static __always_inline void
_dl_unmap_segments (struct link_map *l)
{
__munmap ((void *) l->l_map_start, l->l_map_end - l->l_map_start);
}
#endif /* dl-unmap-segments.h */
|
