segments.c revision 4734:a4708faa3e85 
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 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28/*
29 * String conversion routine for segment flags.
30 */
31#include	<string.h>
32#include	<libld.h>
33#include	"_conv.h"
34#include	"segments_msg.h"
35
36#define	SEGSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
37		MSG_FLG_SG_VADDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
38		MSG_FLG_SG_PADDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
39		MSG_FLG_SG_LENGTH_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
40		MSG_FLG_SG_ALIGN_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
41		MSG_FLG_SG_ROUND_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
42		MSG_FLG_SG_FLAGS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
43		MSG_FLG_SG_TYPE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
44		MSG_FLG_SG_ORDER_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
45		MSG_FLG_SG_NOHDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
46		MSG_FLG_SG_EMPTY_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
47		MSG_FLG_SG_KEY_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
48		MSG_FLG_SG_DISABLED_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
49		MSG_FLG_SG_PHREQ_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
50		CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
51
52/*
53 * Ensure that Conv_seg_flags_buf_t is large enough:
54 *
55 * SEGSZ is the real minimum size of the buffer required by conv_seg_flags().
56 * However, Conv_seg_flags_buf_t uses CONV_SEG_FLAGS_BUFSIZE to set the
57 * buffer size. We do things this way because the definition of SEGSZ uses
58 * information that is not available in the environment of other programs
59 * that include the conv.h header file.
60 */
61#if (CONV_SEG_FLAGS_BUFSIZE < SEGSZ) && !defined(__lint)
62#error "CONV_SEG_FLAGS_BUFSIZE is not large enough"
63#endif
64
65const char *
66conv_seg_flags(Half flags, Conv_seg_flags_buf_t *seg_flags_buf)
67{
68	static Val_desc vda[] = {
69		{ FLG_SG_VADDR,		MSG_ORIG(MSG_FLG_SG_VADDR) },
70		{ FLG_SG_PADDR,		MSG_ORIG(MSG_FLG_SG_PADDR) },
71		{ FLG_SG_LENGTH,	MSG_ORIG(MSG_FLG_SG_LENGTH) },
72		{ FLG_SG_ALIGN,		MSG_ORIG(MSG_FLG_SG_ALIGN) },
73		{ FLG_SG_ROUND,		MSG_ORIG(MSG_FLG_SG_ROUND) },
74		{ FLG_SG_FLAGS,		MSG_ORIG(MSG_FLG_SG_FLAGS) },
75		{ FLG_SG_TYPE,		MSG_ORIG(MSG_FLG_SG_TYPE) },
76		{ FLG_SG_ORDER,		MSG_ORIG(MSG_FLG_SG_ORDER) },
77		{ FLG_SG_NOHDR,		MSG_ORIG(MSG_FLG_SG_NOHDR) },
78		{ FLG_SG_EMPTY,		MSG_ORIG(MSG_FLG_SG_EMPTY) },
79		{ FLG_SG_KEY,		MSG_ORIG(MSG_FLG_SG_KEY) },
80		{ FLG_SG_DISABLED,	MSG_ORIG(MSG_FLG_SG_DISABLED) },
81		{ FLG_SG_PHREQ,		MSG_ORIG(MSG_FLG_SG_PHREQ) },
82		{ 0,			0 }
83	};
84	static CONV_EXPN_FIELD_ARG conv_arg = {
85	    NULL, sizeof (seg_flags_buf->buf), vda };
86
87	if (flags == 0)
88		return (MSG_ORIG(MSG_GBL_ZERO));
89
90	conv_arg.buf = seg_flags_buf->buf;
91	conv_arg.oflags = conv_arg.rflags = flags;
92	(void) conv_expn_field(&conv_arg);
93
94	return ((const char *)seg_flags_buf->buf);
95}
96