Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 1 | /* Manipulate ELF section header flags. |
| 2 | Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc. |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 3 | This file is part of elfutils. |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 1999. |
| 5 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 6 | This file is free software; you can redistribute it and/or modify |
| 7 | it under the terms of either |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 8 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 9 | * the GNU Lesser General Public License as published by the Free |
| 10 | Software Foundation; either version 3 of the License, or (at |
| 11 | your option) any later version |
| 12 | |
| 13 | or |
| 14 | |
| 15 | * the GNU General Public License as published by the Free |
| 16 | Software Foundation; either version 2 of the License, or (at |
| 17 | your option) any later version |
| 18 | |
| 19 | or both in parallel, as here. |
| 20 | |
| 21 | elfutils is distributed in the hope that it will be useful, but |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 22 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 24 | General Public License for more details. |
| 25 | |
Elliott Hughes | 0333382 | 2015-02-18 22:19:45 -0800 | [diff] [blame] | 26 | You should have received copies of the GNU General Public License and |
| 27 | the GNU Lesser General Public License along with this program. If |
| 28 | not, see <http://www.gnu.org/licenses/>. */ |
Ben Cheng | 25b3c04 | 2013-11-20 14:45:36 -0800 | [diff] [blame] | 29 | |
| 30 | #ifdef HAVE_CONFIG_H |
| 31 | # include <config.h> |
| 32 | #endif |
| 33 | |
| 34 | #include <libelf.h> |
| 35 | #include <stddef.h> |
| 36 | |
| 37 | #include "libelfP.h" |
| 38 | |
| 39 | |
| 40 | unsigned int |
| 41 | elf_flagshdr (scn, cmd, flags) |
| 42 | Elf_Scn *scn; |
| 43 | Elf_Cmd cmd; |
| 44 | unsigned int flags; |
| 45 | { |
| 46 | unsigned int result; |
| 47 | |
| 48 | if (scn == NULL) |
| 49 | return 0; |
| 50 | |
| 51 | if (unlikely (scn->elf->kind != ELF_K_ELF)) |
| 52 | { |
| 53 | __libelf_seterrno (ELF_E_INVALID_HANDLE); |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | if (likely (cmd == ELF_C_SET)) |
| 58 | result = (scn->shdr_flags |= (flags & ELF_F_DIRTY)); |
| 59 | else if (likely (cmd == ELF_C_CLR)) |
| 60 | result = (scn->shdr_flags &= ~(flags & ELF_F_DIRTY)); |
| 61 | else |
| 62 | { |
| 63 | __libelf_seterrno (ELF_E_INVALID_COMMAND); |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | return result; |
| 68 | } |