2 * Copyright (c) 2006 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>
28 __FBSDID("$FreeBSD$");
35 elf_flagdata(Elf_Data *d, Elf_Cmd c, unsigned int flags)
44 if ((c != ELF_C_SET && c != ELF_C_CLR) || (scn = d->d_scn) == NULL ||
45 (e = scn->s_elf) == NULL || e->e_kind != ELF_K_ELF ||
46 (flags & ~ELF_F_DIRTY) != 0) {
47 LIBELF_SET_ERROR(ARGUMENT, 0);
52 r = scn->s_flags |= flags;
54 r = scn->s_flags &= ~flags;
60 elf_flagehdr(Elf *e, Elf_Cmd c, unsigned int flags)
68 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
69 (e->e_kind != ELF_K_ELF) || (flags & ~ELF_F_DIRTY) != 0 ||
70 ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
71 LIBELF_SET_ERROR(ARGUMENT, 0);
76 ehdr = e->e_u.e_elf.e_ehdr.e_ehdr32;
78 ehdr = e->e_u.e_elf.e_ehdr.e_ehdr64;
81 LIBELF_SET_ERROR(SEQUENCE, 0);
85 return (elf_flagelf(e, c, flags));
89 elf_flagelf(Elf *e, Elf_Cmd c, unsigned int flags)
96 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
97 (e->e_kind != ELF_K_ELF) ||
98 (flags & ~(ELF_F_DIRTY|ELF_F_LAYOUT)) != 0) {
99 LIBELF_SET_ERROR(ARGUMENT, 0);
104 r = e->e_flags |= flags;
106 r = e->e_flags &= ~flags;
111 elf_flagphdr(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) || (flags & ~ELF_F_DIRTY) != 0 ||
121 ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
122 LIBELF_SET_ERROR(ARGUMENT, 0);
126 if (ec == ELFCLASS32)
127 phdr = e->e_u.e_elf.e_phdr.e_phdr32;
129 phdr = e->e_u.e_elf.e_phdr.e_phdr64;
132 LIBELF_SET_ERROR(SEQUENCE, 0);
136 return (elf_flagelf(e, c, flags));
140 elf_flagscn(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
147 if ((c != ELF_C_SET && c != ELF_C_CLR) ||
148 (flags & ~ELF_F_DIRTY) != 0) {
149 LIBELF_SET_ERROR(ARGUMENT, 0);
154 r = s->s_flags |= flags;
156 r = s->s_flags &= ~flags;
161 elf_flagshdr(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
163 return (elf_flagscn(s, c, flags));