home *** CD-ROM | disk | FTP | other *** search
- /*
- flag.c - implementation of the elf_flag*(3) functions.
- Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include <private.h>
-
- static unsigned
- _elf_flag(unsigned *f, Elf_Cmd cmd, unsigned flags) {
- if (cmd == ELF_C_SET) {
- return *f |= flags;
- }
- if (cmd == ELF_C_CLR) {
- return *f &= ~flags;
- }
- seterr(ERROR_INVALID_CMD);
- return 0;
- }
-
- unsigned
- elf_flagdata(Elf_Data *data, Elf_Cmd cmd, unsigned flags) {
- Scn_Data *sd = (Scn_Data*)data;
-
- if (!sd) {
- return 0;
- }
- elf_assert(sd->sd_magic == DATA_MAGIC);
- return _elf_flag(&sd->sd_data_flags, cmd, flags);
- }
-
- unsigned
- elf_flagehdr(Elf *elf, Elf_Cmd cmd, unsigned flags) {
- if (!elf) {
- return 0;
- }
- elf_assert(elf->e_magic == ELF_MAGIC);
- return _elf_flag(&elf->e_ehdr_flags, cmd, flags);
- }
-
- unsigned
- elf_flagelf(Elf *elf, Elf_Cmd cmd, unsigned flags) {
- if (!elf) {
- return 0;
- }
- elf_assert(elf->e_magic == ELF_MAGIC);
- return _elf_flag(&elf->e_elf_flags, cmd, flags);
- }
-
- unsigned
- elf_flagphdr(Elf *elf, Elf_Cmd cmd, unsigned flags) {
- if (!elf) {
- return 0;
- }
- elf_assert(elf->e_magic == ELF_MAGIC);
- return _elf_flag(&elf->e_phdr_flags, cmd, flags);
- }
-
- unsigned
- elf_flagscn(Elf_Scn *scn, Elf_Cmd cmd, unsigned flags) {
- if (!scn) {
- return 0;
- }
- elf_assert(scn->s_magic == SCN_MAGIC);
- return _elf_flag(&scn->s_scn_flags, cmd, flags);
- }
-
- unsigned
- elf_flagshdr(Elf_Scn *scn, Elf_Cmd cmd, unsigned flags) {
- if (!scn) {
- return 0;
- }
- elf_assert(scn->s_magic == SCN_MAGIC);
- return _elf_flag(&scn->s_shdr_flags, cmd, flags);
- }
-