1 /* Manipulate ELF header flags. 2 Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc. 3 Written by Ulrich Drepper <drepper (at) 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_flagehdr (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.ehdr_flags |= (flags & ELF_F_DIRTY)); 47 else if (cmd == ELF_C_CLR) 48 result = (elf->state.elf.ehdr_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