2 * Copyright (c) 2006,2008-2009,2011 Joseph Koshy
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
33 ELFTC_VCSID("$Id: elf_flag.c 2272 2011-12-03 17:07:31Z jkoshy $");
36 elf_flagarhdr(Elf_Arhdr *a, Elf_Cmd c, unsigned int flags)
43 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
44 (flags & ~ELF_F_DIRTY) != 0) {
45 LIBELF_SET_ERROR(ARGUMENT, 0);
50 r = a->ar_flags |= flags;
52 r = a->ar_flags &= ~flags;
54 return (r & LIBELF_F_API_MASK);
58 elf_flagdata(Elf_Data *d, Elf_Cmd c, unsigned int flags)
61 struct _Libelf_Data *ld;
66 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
67 (flags & ~ELF_F_DIRTY) != 0) {
68 LIBELF_SET_ERROR(ARGUMENT, 0);
72 ld = (struct _Libelf_Data *) d;
75 r = ld->d_flags |= flags;
77 r = ld->d_flags &= ~flags;
79 return (r & LIBELF_F_API_MASK);
83 elf_flagehdr(Elf *e, Elf_Cmd c, unsigned int flags)
91 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
92 (e->e_kind != ELF_K_ELF) || (flags & ~ELF_F_DIRTY) != 0 ||
93 ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
94 LIBELF_SET_ERROR(ARGUMENT, 0);
99 ehdr = e->e_u.e_elf.e_ehdr.e_ehdr32;
101 ehdr = e->e_u.e_elf.e_ehdr.e_ehdr64;
104 LIBELF_SET_ERROR(SEQUENCE, 0);
108 return (elf_flagelf(e, c, flags));
112 elf_flagelf(Elf *e, Elf_Cmd c, unsigned int flags)
119 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
120 (e->e_kind != ELF_K_ELF) ||
121 (flags & ~(ELF_F_ARCHIVE | ELF_F_ARCHIVE_SYSV |
122 ELF_F_DIRTY | ELF_F_LAYOUT)) != 0) {
123 LIBELF_SET_ERROR(ARGUMENT, 0);
127 if ((flags & ELF_F_ARCHIVE_SYSV) && (flags & ELF_F_ARCHIVE) == 0) {
128 LIBELF_SET_ERROR(ARGUMENT, 0);
132 if ((flags & ELF_F_ARCHIVE) && e->e_cmd != ELF_C_WRITE) {
133 LIBELF_SET_ERROR(MODE, 0);
138 r = e->e_flags |= flags;
140 r = e->e_flags &= ~flags;
141 return (r & LIBELF_F_API_MASK);
145 elf_flagphdr(Elf *e, Elf_Cmd c, unsigned int flags)
153 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
154 (e->e_kind != ELF_K_ELF) || (flags & ~ELF_F_DIRTY) != 0 ||
155 ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
156 LIBELF_SET_ERROR(ARGUMENT, 0);
160 if (ec == ELFCLASS32)
161 phdr = e->e_u.e_elf.e_phdr.e_phdr32;
163 phdr = e->e_u.e_elf.e_phdr.e_phdr64;
166 LIBELF_SET_ERROR(SEQUENCE, 0);
170 return (elf_flagelf(e, c, flags));
174 elf_flagscn(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
181 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
182 (flags & ~ELF_F_DIRTY) != 0) {
183 LIBELF_SET_ERROR(ARGUMENT, 0);
188 r = s->s_flags |= flags;
190 r = s->s_flags &= ~flags;
191 return (r & LIBELF_F_API_MASK);
195 elf_flagshdr(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
197 return (elf_flagscn(s, c, flags));