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