|
34
|
1 |
/*
|
|
|
2 |
flag.c - implementation of the elf_flag*(3) functions.
|
|
|
3 |
Copyright (C) 1995 - 1998 Michael Riepe
|
|
|
4 |
|
|
|
5 |
This library is free software; you can redistribute it and/or
|
|
|
6 |
modify it under the terms of the GNU Library General Public
|
|
|
7 |
License as published by the Free Software Foundation; either
|
|
|
8 |
version 2 of the License, or (at your option) any later version.
|
|
|
9 |
|
|
|
10 |
This library is distributed in the hope that it will be useful,
|
|
|
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
13 |
Library General Public License for more details.
|
|
|
14 |
|
|
|
15 |
You should have received a copy of the GNU Library General Public
|
|
|
16 |
License along with this library; if not, write to the Free Software
|
|
|
17 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
18 |
*/
|
|
|
19 |
|
|
|
20 |
#include <private.h>
|
|
|
21 |
|
|
|
22 |
#ifndef lint
|
|
|
23 |
static const char rcsid[] = "@(#) $Id: flag.c,v 1.6 2005/05/21 15:39:22 michael Exp $";
|
|
|
24 |
#endif /* lint */
|
|
|
25 |
|
|
|
26 |
static unsigned
|
|
|
27 |
_elf_flag(unsigned *f, Elf_Cmd cmd, unsigned flags) {
|
|
|
28 |
if (cmd == ELF_C_SET) {
|
|
|
29 |
return *f |= flags;
|
|
|
30 |
}
|
|
|
31 |
if (cmd == ELF_C_CLR) {
|
|
|
32 |
return *f &= ~flags;
|
|
|
33 |
}
|
|
|
34 |
seterr(ERROR_INVALID_CMD);
|
|
|
35 |
return 0;
|
|
|
36 |
}
|
|
|
37 |
|
|
|
38 |
unsigned
|
|
|
39 |
elf_flagdata(Elf_Data *data, Elf_Cmd cmd, unsigned flags) {
|
|
|
40 |
Scn_Data *sd = (Scn_Data*)data;
|
|
|
41 |
|
|
|
42 |
if (!sd) {
|
|
|
43 |
return 0;
|
|
|
44 |
}
|
|
|
45 |
elf_assert(sd->sd_magic == DATA_MAGIC);
|
|
|
46 |
return _elf_flag(&sd->sd_data_flags, cmd, flags);
|
|
|
47 |
}
|
|
|
48 |
|
|
|
49 |
unsigned
|
|
|
50 |
elf_flagehdr(Elf *elf, Elf_Cmd cmd, unsigned flags) {
|
|
|
51 |
if (!elf) {
|
|
|
52 |
return 0;
|
|
|
53 |
}
|
|
|
54 |
elf_assert(elf->e_magic == ELF_MAGIC);
|
|
|
55 |
return _elf_flag(&elf->e_ehdr_flags, cmd, flags);
|
|
|
56 |
}
|
|
|
57 |
|
|
|
58 |
unsigned
|
|
|
59 |
elf_flagelf(Elf *elf, Elf_Cmd cmd, unsigned flags) {
|
|
|
60 |
if (!elf) {
|
|
|
61 |
return 0;
|
|
|
62 |
}
|
|
|
63 |
elf_assert(elf->e_magic == ELF_MAGIC);
|
|
|
64 |
return _elf_flag(&elf->e_elf_flags, cmd, flags);
|
|
|
65 |
}
|
|
|
66 |
|
|
|
67 |
unsigned
|
|
|
68 |
elf_flagphdr(Elf *elf, Elf_Cmd cmd, unsigned flags) {
|
|
|
69 |
if (!elf) {
|
|
|
70 |
return 0;
|
|
|
71 |
}
|
|
|
72 |
elf_assert(elf->e_magic == ELF_MAGIC);
|
|
|
73 |
return _elf_flag(&elf->e_phdr_flags, cmd, flags);
|
|
|
74 |
}
|
|
|
75 |
|
|
|
76 |
unsigned
|
|
|
77 |
elf_flagscn(Elf_Scn *scn, Elf_Cmd cmd, unsigned flags) {
|
|
|
78 |
if (!scn) {
|
|
|
79 |
return 0;
|
|
|
80 |
}
|
|
|
81 |
elf_assert(scn->s_magic == SCN_MAGIC);
|
|
|
82 |
return _elf_flag(&scn->s_scn_flags, cmd, flags);
|
|
|
83 |
}
|
|
|
84 |
|
|
|
85 |
unsigned
|
|
|
86 |
elf_flagshdr(Elf_Scn *scn, Elf_Cmd cmd, unsigned flags) {
|
|
|
87 |
if (!scn) {
|
|
|
88 |
return 0;
|
|
|
89 |
}
|
|
|
90 |
elf_assert(scn->s_magic == SCN_MAGIC);
|
|
|
91 |
return _elf_flag(&scn->s_shdr_flags, cmd, flags);
|
|
|
92 |
}
|