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1 : : /* Manipulate ELF data flag. 2 : : Copyright (C) 2000, 2001, 2002, 2015 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : Written by Ulrich Drepper <drepper@redhat.com>, 1998. 5 : : 6 : : This file is free software; you can redistribute it and/or modify 7 : : it under the terms of either 8 : : 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 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 : : 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/>. */ 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 : 265212 : elf_flagdata (Elf_Data *data, Elf_Cmd cmd, unsigned int flags) 42 : : { 43 : 265212 : Elf_Data_Scn *data_scn; 44 : 265212 : unsigned int result; 45 : : 46 [ - + ]: 265212 : if (data == NULL) 47 : : return 0; 48 : : 49 : 265212 : data_scn = (Elf_Data_Scn *) data; 50 : : 51 [ - + ]: 265212 : if (data_scn == NULL || unlikely (data_scn->s->elf->kind != ELF_K_ELF)) 52 : : { 53 : 0 : __libelf_seterrno (ELF_E_INVALID_HANDLE); 54 : 0 : return 0; 55 : : } 56 : : 57 [ + - ]: 265212 : if (likely (cmd == ELF_C_SET)) 58 : 265212 : result = (data_scn->s->flags |= (flags & ELF_F_DIRTY)); 59 [ # # ]: 0 : else if (likely (cmd == ELF_C_CLR)) 60 : 0 : result = (data_scn->s->flags &= ~(flags & ELF_F_DIRTY)); 61 : : else 62 : : { 63 : 0 : __libelf_seterrno (ELF_E_INVALID_COMMAND); 64 : 0 : return 0; 65 : : } 66 : : 67 : : return result; 68 : : }