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#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include "libelf.h"
33#include "decl.h"
34#include "msg.h"
35
36
37unsigned
38elf_flagdata(Elf_Data * data, Elf_Cmd cmd, unsigned flags)
39{
40	unsigned	rc = 0;
41	Elf *		elf;
42	Elf_Scn *	scn;
43	Dnode *		d;
44
45	if (data == 0)
46		return (0);
47	d = (Dnode *) data;
48	scn = d->db_scn;
49	elf = scn->s_elf;
50
51	READLOCKS(elf, scn)
52
53	if (cmd == ELF_C_SET) {
54		rc = d->db_uflags |= flags;
55	} else if (cmd == ELF_C_CLR) {
56		rc = d->db_uflags &= ~flags;
57	} else
58		_elf_seterr(EREQ_FLAG, 0);
59	READUNLOCKS(elf, scn)
60	return (rc);
61}
62
63
64unsigned int
65elf_flagehdr(Elf * elf, Elf_Cmd cmd, unsigned flags)
66{
67	int	rc;
68	if (elf == 0)
69		return (0);
70	if (cmd == ELF_C_SET) {
71		ELFWLOCK(elf)
72		rc = elf->ed_ehflags |= flags;
73		ELFUNLOCK(elf)
74		return (rc);
75	}
76	if (cmd == ELF_C_CLR) {
77		ELFWLOCK(elf)
78		rc = elf->ed_ehflags &= ~flags;
79		ELFUNLOCK(elf)
80		return (rc);
81	}
82	_elf_seterr(EREQ_FLAG, 0);
83	return (0);
84}
85
86
87unsigned
88elf_flagelf(Elf * elf, Elf_Cmd cmd, unsigned flags)
89{
90	int	rc;
91	if (elf == 0)
92		return (0);
93	if (cmd == ELF_C_SET) {
94		ELFWLOCK(elf)
95		rc = elf->ed_uflags |= flags;
96		ELFUNLOCK(elf)
97		return (rc);
98	}
99	if (cmd == ELF_C_CLR) {
100		ELFWLOCK(elf)
101		rc = elf->ed_uflags &= ~flags;
102		ELFUNLOCK(elf)
103		return (rc);
104	}
105	_elf_seterr(EREQ_FLAG, 0);
106	return (0);
107}
108
109
110unsigned
111elf_flagphdr(Elf * elf, Elf_Cmd cmd, unsigned flags)
112{
113	int	rc;
114	if (elf == 0)
115		return (0);
116	if (cmd == ELF_C_SET) {
117		ELFWLOCK(elf);
118		rc = elf->ed_phflags |= flags;
119		ELFUNLOCK(elf);
120		return (rc);
121	}
122	if (cmd == ELF_C_CLR) {
123		ELFWLOCK(elf);
124		rc = elf->ed_phflags &= ~flags;
125		ELFUNLOCK(elf);
126		return (rc);
127	}
128	_elf_seterr(EREQ_FLAG, 0);
129	return (0);
130}
131
132
133unsigned
134elf_flagscn(Elf_Scn * scn, Elf_Cmd cmd, unsigned flags)
135{
136	unsigned	rc;
137	Elf *		elf;
138
139	if (scn == 0)
140		return (0);
141
142	elf = scn->s_elf;
143	if (cmd == ELF_C_SET) {
144		READLOCKS(elf, scn)
145		rc = scn->s_uflags |= flags;
146		READUNLOCKS(elf, scn)
147		return (rc);
148	}
149	if (cmd == ELF_C_CLR) {
150		READLOCKS(elf, scn)
151		rc = scn->s_uflags &= ~flags;
152		READUNLOCKS(elf, scn)
153		return (rc);
154	}
155	_elf_seterr(EREQ_FLAG, 0);
156	return (0);
157}
158
159
160unsigned
161elf_flagshdr(Elf_Scn * scn, Elf_Cmd cmd, unsigned flags)
162{
163	unsigned	rc;
164	Elf *		elf;
165	if (scn == 0)
166		return (0);
167
168	elf = scn->s_elf;
169	if (cmd == ELF_C_SET) {
170		READLOCKS(elf, scn)
171		rc = scn->s_shflags |= flags;
172		READUNLOCKS(elf, scn)
173		return (rc);
174	}
175	if (cmd == ELF_C_CLR) {
176		READLOCKS(elf, scn)
177		rc = scn->s_shflags &= ~flags;
178		READUNLOCKS(elf, scn)
179		return (rc);
180	}
181	_elf_seterr(EREQ_FLAG, 0);
182	return (0);
183}
184