1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 #include "libelf.h"
31 #include "decl.h"
32 #include "msg.h"
33
34
35 unsigned
elf_flagdata(Elf_Data * data,Elf_Cmd cmd,unsigned flags)36 elf_flagdata(Elf_Data * data, Elf_Cmd cmd, unsigned flags)
37 {
38 unsigned rc = 0;
39 Elf * elf;
40 Elf_Scn * scn;
41 Dnode * d;
42
43 if (data == 0)
44 return (0);
45 d = (Dnode *) data;
46 scn = d->db_scn;
47 elf = scn->s_elf;
48
49 READLOCKS(elf, scn)
50
51 if (cmd == ELF_C_SET) {
52 rc = d->db_uflags |= flags;
53 } else if (cmd == ELF_C_CLR) {
54 rc = d->db_uflags &= ~flags;
55 } else
56 _elf_seterr(EREQ_FLAG, 0);
57 READUNLOCKS(elf, scn)
58 return (rc);
59 }
60
61
62 unsigned int
elf_flagehdr(Elf * elf,Elf_Cmd cmd,unsigned flags)63 elf_flagehdr(Elf * elf, Elf_Cmd cmd, unsigned flags)
64 {
65 int rc;
66 if (elf == 0)
67 return (0);
68 if (cmd == ELF_C_SET) {
69 ELFWLOCK(elf)
70 rc = elf->ed_ehflags |= flags;
71 ELFUNLOCK(elf)
72 return (rc);
73 }
74 if (cmd == ELF_C_CLR) {
75 ELFWLOCK(elf)
76 rc = elf->ed_ehflags &= ~flags;
77 ELFUNLOCK(elf)
78 return (rc);
79 }
80 _elf_seterr(EREQ_FLAG, 0);
81 return (0);
82 }
83
84
85 unsigned
elf_flagelf(Elf * elf,Elf_Cmd cmd,unsigned flags)86 elf_flagelf(Elf * elf, Elf_Cmd cmd, unsigned flags)
87 {
88 int rc;
89 if (elf == 0)
90 return (0);
91 if (cmd == ELF_C_SET) {
92 ELFWLOCK(elf)
93 rc = elf->ed_uflags |= flags;
94 ELFUNLOCK(elf)
95 return (rc);
96 }
97 if (cmd == ELF_C_CLR) {
98 ELFWLOCK(elf)
99 rc = elf->ed_uflags &= ~flags;
100 ELFUNLOCK(elf)
101 return (rc);
102 }
103 _elf_seterr(EREQ_FLAG, 0);
104 return (0);
105 }
106
107
108 unsigned
elf_flagphdr(Elf * elf,Elf_Cmd cmd,unsigned flags)109 elf_flagphdr(Elf * elf, Elf_Cmd cmd, unsigned flags)
110 {
111 int rc;
112 if (elf == 0)
113 return (0);
114 if (cmd == ELF_C_SET) {
115 ELFWLOCK(elf);
116 rc = elf->ed_phflags |= flags;
117 ELFUNLOCK(elf);
118 return (rc);
119 }
120 if (cmd == ELF_C_CLR) {
121 ELFWLOCK(elf);
122 rc = elf->ed_phflags &= ~flags;
123 ELFUNLOCK(elf);
124 return (rc);
125 }
126 _elf_seterr(EREQ_FLAG, 0);
127 return (0);
128 }
129
130
131 unsigned
elf_flagscn(Elf_Scn * scn,Elf_Cmd cmd,unsigned flags)132 elf_flagscn(Elf_Scn * scn, Elf_Cmd cmd, unsigned flags)
133 {
134 unsigned rc;
135 Elf * elf;
136
137 if (scn == 0)
138 return (0);
139
140 elf = scn->s_elf;
141 if (cmd == ELF_C_SET) {
142 READLOCKS(elf, scn)
143 rc = scn->s_uflags |= flags;
144 READUNLOCKS(elf, scn)
145 return (rc);
146 }
147 if (cmd == ELF_C_CLR) {
148 READLOCKS(elf, scn)
149 rc = scn->s_uflags &= ~flags;
150 READUNLOCKS(elf, scn)
151 return (rc);
152 }
153 _elf_seterr(EREQ_FLAG, 0);
154 return (0);
155 }
156
157
158 unsigned
elf_flagshdr(Elf_Scn * scn,Elf_Cmd cmd,unsigned flags)159 elf_flagshdr(Elf_Scn * scn, Elf_Cmd cmd, unsigned flags)
160 {
161 unsigned rc;
162 Elf * elf;
163 if (scn == 0)
164 return (0);
165
166 elf = scn->s_elf;
167 if (cmd == ELF_C_SET) {
168 READLOCKS(elf, scn)
169 rc = scn->s_shflags |= flags;
170 READUNLOCKS(elf, scn)
171 return (rc);
172 }
173 if (cmd == ELF_C_CLR) {
174 READLOCKS(elf, scn)
175 rc = scn->s_shflags &= ~flags;
176 READUNLOCKS(elf, scn)
177 return (rc);
178 }
179 _elf_seterr(EREQ_FLAG, 0);
180 return (0);
181 }
182