]>
git.ipfire.org Git - thirdparty/binutils-gdb.git/blob - gdb/testsuite/gdb.base/coredump-filter.c
1 /* Copyright 2015-2024 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
28 do_mmap (void *addr
, size_t size
, int prot
, int flags
, int fd
, off_t offset
)
30 void *ret
= mmap (addr
, size
, prot
, flags
, fd
, offset
);
32 assert (ret
!= MAP_FAILED
);
37 main (int argc
, char *argv
[])
39 const size_t size
= 10;
40 const int default_prot
= PROT_READ
| PROT_WRITE
;
41 char *private_anon
, *shared_anon
;
45 private_anon
= do_mmap (NULL
, size
, default_prot
,
46 MAP_PRIVATE
| MAP_ANONYMOUS
, -1, 0);
47 memset (private_anon
, 0x11, size
);
49 shared_anon
= do_mmap (NULL
, size
, default_prot
,
50 MAP_SHARED
| MAP_ANONYMOUS
, -1, 0);
51 memset (shared_anon
, 0x22, size
);
53 dont_dump
= do_mmap (NULL
, size
, default_prot
,
54 MAP_PRIVATE
| MAP_ANONYMOUS
, -1, 0);
55 memset (dont_dump
, 0x55, size
);
56 i
= madvise (dont_dump
, size
, MADV_DONTDUMP
);
57 assert_perror (errno
);
60 return 0; /* break-here */
63 /* Write V to /proc/self/coredump_filter. Return 0 on success. */
66 set_coredump_filter (int v
)
68 FILE *f
= fopen("/proc/self/coredump_filter", "r+");