4 * Copyright (c) 2006 Joseph Koshy
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 /* __FBSDID("$FreeBSD: src/lib/libelf/elf_flag.c,v 1.1.10.1.2.1 2009/10/25 01:10:29 kensmith Exp $"); */
37 elf_flagdata(Elf_Data
*d
, Elf_Cmd c
, unsigned int flags
)
46 if ((c
!= ELF_C_SET
&& c
!= ELF_C_CLR
) || (scn
= d
->d_scn
) == NULL
||
47 (e
= scn
->s_elf
) == NULL
|| e
->e_kind
!= ELF_K_ELF
||
48 (flags
& ~ELF_F_DIRTY
) != 0) {
49 LIBELF_SET_ERROR(ARGUMENT
, 0);
54 r
= scn
->s_flags
|= flags
;
56 r
= scn
->s_flags
&= ~flags
;
62 elf_flagehdr(Elf
*e
, Elf_Cmd c
, unsigned int flags
)
70 if ((c
!= ELF_C_SET
&& c
!= ELF_C_CLR
) ||
71 (e
->e_kind
!= ELF_K_ELF
) || (flags
& ~ELF_F_DIRTY
) != 0 ||
72 ((ec
= e
->e_class
) != ELFCLASS32
&& ec
!= ELFCLASS64
)) {
73 LIBELF_SET_ERROR(ARGUMENT
, 0);
78 ehdr
= e
->e_u
.e_elf
.e_ehdr
.e_ehdr32
;
80 ehdr
= e
->e_u
.e_elf
.e_ehdr
.e_ehdr64
;
83 LIBELF_SET_ERROR(SEQUENCE
, 0);
87 return (elf_flagelf(e
, c
, flags
));
91 elf_flagelf(Elf
*e
, Elf_Cmd c
, unsigned int flags
)
98 if ((c
!= ELF_C_SET
&& c
!= ELF_C_CLR
) ||
99 (e
->e_kind
!= ELF_K_ELF
) ||
100 (flags
& ~(ELF_F_DIRTY
|ELF_F_LAYOUT
)) != 0) {
101 LIBELF_SET_ERROR(ARGUMENT
, 0);
106 r
= e
->e_flags
|= flags
;
108 r
= e
->e_flags
&= ~flags
;
113 elf_flagphdr(Elf
*e
, Elf_Cmd c
, unsigned int flags
)
121 if ((c
!= ELF_C_SET
&& c
!= ELF_C_CLR
) ||
122 (e
->e_kind
!= ELF_K_ELF
) || (flags
& ~ELF_F_DIRTY
) != 0 ||
123 ((ec
= e
->e_class
) != ELFCLASS32
&& ec
!= ELFCLASS64
)) {
124 LIBELF_SET_ERROR(ARGUMENT
, 0);
128 if (ec
== ELFCLASS32
)
129 phdr
= e
->e_u
.e_elf
.e_phdr
.e_phdr32
;
131 phdr
= e
->e_u
.e_elf
.e_phdr
.e_phdr64
;
134 LIBELF_SET_ERROR(SEQUENCE
, 0);
138 return (elf_flagelf(e
, c
, flags
));
142 elf_flagscn(Elf_Scn
*s
, Elf_Cmd c
, unsigned int flags
)
149 if ((c
!= ELF_C_SET
&& c
!= ELF_C_CLR
) ||
150 (flags
& ~ELF_F_DIRTY
) != 0) {
151 LIBELF_SET_ERROR(ARGUMENT
, 0);
156 r
= s
->s_flags
|= flags
;
158 r
= s
->s_flags
&= ~flags
;
163 elf_flagshdr(Elf_Scn
*s
, Elf_Cmd c
, unsigned int flags
)
165 return (elf_flagscn(s
, c
, flags
));