xref: /illumos-gate/usr/src/cmd/sgs/libconv/common/segments.c (revision 22028508fd28d36ff74dc02c5774a8ba1f0db045)
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 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * String conversion routine for segment flags.
29  */
30 #include	<string.h>
31 #include	<libld.h>
32 #include	"_conv.h"
33 #include	"segments_msg.h"
34 
35 #define	SEGSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
36 		MSG_FLG_SG_P_VADDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
37 		MSG_FLG_SG_P_PADDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
38 		MSG_FLG_SG_LENGTH_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
39 		MSG_FLG_SG_P_ALIGN_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
40 		MSG_FLG_SG_ROUND_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
41 		MSG_FLG_SG_P_FLAGS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
42 		MSG_FLG_SG_P_TYPE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
43 		MSG_FLG_SG_IS_ORDER_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
44 		MSG_FLG_SG_NOHDR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
45 		MSG_FLG_SG_EMPTY_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
46 		MSG_FLG_SG_KEY_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
47 		MSG_FLG_SG_NODISABLE_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 		MSG_FLG_SG_ORDERED_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
51 		CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
52 
53 /*
54  * Ensure that Conv_seg_flags_buf_t is large enough:
55  *
56  * SEGSZ is the real minimum size of the buffer required by conv_seg_flags().
57  * However, Conv_seg_flags_buf_t uses CONV_SEG_FLAGS_BUFSIZE to set the
58  * buffer size. We do things this way because the definition of SEGSZ uses
59  * information that is not available in the environment of other programs
60  * that include the conv.h header file.
61  */
62 #if (CONV_SEG_FLAGS_BUFSIZE != SEGSZ) && !defined(__lint)
63 #define	REPORT_BUFSIZE SEGSZ
64 #include "report_bufsize.h"
65 #error "CONV_SEG_FLAGS_BUFSIZE does not match SEGSZ"
66 #endif
67 
68 const char *
69 conv_seg_flags(sg_flags_t flags, Conv_seg_flags_buf_t *seg_flags_buf)
70 {
71 	static Val_desc vda[] = {
72 		{ FLG_SG_P_VADDR,	MSG_FLG_SG_P_VADDR },
73 		{ FLG_SG_P_PADDR,	MSG_FLG_SG_P_PADDR },
74 		{ FLG_SG_LENGTH,	MSG_FLG_SG_LENGTH },
75 		{ FLG_SG_P_ALIGN,	MSG_FLG_SG_P_ALIGN },
76 		{ FLG_SG_ROUND,		MSG_FLG_SG_ROUND },
77 		{ FLG_SG_P_FLAGS,	MSG_FLG_SG_P_FLAGS },
78 		{ FLG_SG_P_TYPE,	MSG_FLG_SG_P_TYPE },
79 		{ FLG_SG_IS_ORDER,	MSG_FLG_SG_IS_ORDER },
80 		{ FLG_SG_NOHDR,		MSG_FLG_SG_NOHDR },
81 		{ FLG_SG_EMPTY,		MSG_FLG_SG_EMPTY },
82 		{ FLG_SG_KEY,		MSG_FLG_SG_KEY },
83 		{ FLG_SG_NODISABLE,	MSG_FLG_SG_NODISABLE },
84 		{ FLG_SG_DISABLED,	MSG_FLG_SG_DISABLED },
85 		{ FLG_SG_PHREQ,		MSG_FLG_SG_PHREQ },
86 		{ FLG_SG_ORDERED,	MSG_FLG_SG_ORDERED },
87 		{ 0,			0 }
88 	};
89 	static CONV_EXPN_FIELD_ARG conv_arg = {
90 	    NULL, sizeof (seg_flags_buf->buf) };
91 
92 	if (flags == 0)
93 		return (MSG_ORIG(MSG_GBL_ZERO));
94 
95 	conv_arg.buf = seg_flags_buf->buf;
96 	conv_arg.oflags = conv_arg.rflags = flags;
97 	(void) conv_expn_field(&conv_arg, vda, 0);
98 
99 	return ((const char *)seg_flags_buf->buf);
100 }
101