1 /* Manipulate ELF section header flags.
2 Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc.
3 Written by Ulrich Drepper <drepper@redhat.com>, 1999.
4
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, version 2.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
17
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
21
22 #include <libelf.h>
23 #include <stddef.h>
24
25 #include "libelfP.h"
26
27
28 unsigned int
elf_flagshdr(scn,cmd,flags)29 elf_flagshdr (scn, cmd, flags)
30 Elf_Scn *scn;
31 Elf_Cmd cmd;
32 unsigned int flags;
33 {
34 unsigned int result;
35
36 if (scn == NULL)
37 return 0;
38
39 if (unlikely (scn->elf->kind != ELF_K_ELF))
40 {
41 __libelf_seterrno (ELF_E_INVALID_HANDLE);
42 return 0;
43 }
44
45 if (likely (cmd == ELF_C_SET))
46 result = (scn->shdr_flags |= (flags & ELF_F_DIRTY));
47 else if (likely (cmd == ELF_C_CLR))
48 result = (scn->shdr_flags &= ~(flags & ELF_F_DIRTY));
49 else
50 {
51 __libelf_seterrno (ELF_E_INVALID_COMMAND);
52 return 0;
53 }
54
55 return result;
56 }
57