Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Manipulate ELF program 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 |
| 29 | elf_flagphdr (elf, cmd, flags) |
| 30 | Elf *elf; |
| 31 | Elf_Cmd cmd; |
| 32 | unsigned int flags; |
| 33 | { |
| 34 | unsigned int result; |
| 35 | |
| 36 | if (elf == NULL) |
| 37 | return 0; |
| 38 | |
| 39 | if (unlikely (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 = (elf->state.elf.phdr_flags |= (flags & ELF_F_DIRTY)); |
| 47 | else if (likely (cmd == ELF_C_CLR)) |
| 48 | result = (elf->state.elf.phdr_flags &= ~(flags & ELF_F_DIRTY)); |
| 49 | else |
| 50 | { |
| 51 | __libelf_seterrno (ELF_E_INVALID_COMMAND); |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | return result; |
| 56 | } |