1 /* Manipulate ELF data flag. 2 Copyright (C) 2000, 2001, 2002 Red Hat, Inc. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 1998. 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_flagdata (data, cmd, flags) 30 Elf_Data *data; 31 Elf_Cmd cmd; 32 unsigned int flags; 33 { 34 Elf_Data_Scn *data_scn; 35 unsigned int result; 36 37 if (data == NULL) 38 return 0; 39 40 data_scn = (Elf_Data_Scn *) data; 41 42 if (data_scn == NULL || unlikely (data_scn->s->elf->kind != ELF_K_ELF)) 43 { 44 __libelf_seterrno (ELF_E_INVALID_HANDLE); 45 return 0; 46 } 47 48 if (likely (cmd == ELF_C_SET)) 49 result = (data_scn->s->flags |= (flags & ELF_F_DIRTY)); 50 else if (likely (cmd == ELF_C_CLR)) 51 result = (data_scn->s->flags &= ~(flags & ELF_F_DIRTY)); 52 else 53 { 54 __libelf_seterrno (ELF_E_INVALID_COMMAND); 55 return 0; 56 } 57 58 return result; 59 } 60
