xref: /illumos-gate/usr/src/cmd/sgs/libconv/common/cap.c (revision c13de8f6a88563211bd4432ca11ca38ed3bf0fc0)
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 2006 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 hardware capabilities types.
30  */
31 #include	<strings.h>
32 #include	<stdio.h>
33 #include	<sys/machelf.h>
34 #include	<elfcap.h>
35 #include	"cap_msg.h"
36 #include	"_conv.h"
37 
38 static int
39 conv_cap_1(Xword val, char *str, size_t len, Half mach,
40     int (*fptr)(uint64_t, char *, size_t, int, ushort_t))
41 {
42 	size_t	_len;
43 
44 	_len = sprintf(str, MSG_ORIG(MSG_GBL_OSQBRKT), EC_XWORD(val));
45 
46 	len -= _len;
47 	str += _len;
48 
49 	if ((*fptr)(val, str, len, CAP_FMT_DBLSPACE, mach) != 0)
50 		return (0);
51 
52 	_len = strlen(str);
53 	if ((len - _len) >= MSG_GBL_CSQBRKT_SIZE) {
54 		str += _len;
55 		(void) strcpy(str, MSG_ORIG(MSG_GBL_CSQBRKT));
56 	}
57 	return (1);
58 }
59 
60 /*
61  * Establish a buffer size based on the maximum number of hardware capabilities
62  * that exist.  See common/elfcap.
63  */
64 #define	HW1SZ	200
65 
66 const char *
67 conv_cap_val_hw1(Xword val, Half mach)
68 {
69 	static char	string[HW1SZ];
70 
71 	if (val == 0)
72 		return (MSG_ORIG(MSG_GBL_ZERO));
73 
74 	if (conv_cap_1(val, string, HW1SZ, mach, hwcap_1_val2str) == 0)
75 		return (conv_invalid_val(string, HW1SZ, val, 0));
76 	return ((const char *)string);
77 }
78 
79 /*
80  * Establish a buffer size based on the maximum number of software capabilities
81  * that exist.  See common/elfcap.
82  */
83 #define	SF1SZ	50
84 
85 const char *
86 conv_cap_val_sf1(Xword val, Half mach)
87 {
88 	static char	string[SF1SZ];
89 
90 	if (val == 0)
91 		return (MSG_ORIG(MSG_GBL_ZERO));
92 
93 	if (conv_cap_1(val, string, SF1SZ, mach, sfcap_1_val2str) == 0)
94 		return (conv_invalid_val(string, SF1SZ, val, 0));
95 	return ((const char *)string);
96 }
97 
98 const char *
99 conv_cap_tag(Xword tag)
100 {
101 	static char		string[CONV_INV_STRSIZE];
102 	static const Msg	tags[] = {
103 		MSG_CA_SUNW_NULL,	MSG_CA_SUNW_HW_1,
104 		MSG_CA_SUNW_SF_1
105 	};
106 
107 	if (tag <= CA_SUNW_SF_1)
108 		return (MSG_ORIG(tags[tag]));
109 	else
110 		return (conv_invalid_val(string, CONV_INV_STRSIZE, tag, 0));
111 }
112 
113 const char *
114 conv_cap_val(Xword tag, Xword val, Half mach)
115 {
116 	static char	string[CONV_INV_STRSIZE];
117 
118 	if (tag == CA_SUNW_HW_1)
119 		return (conv_cap_val_hw1(val, mach));
120 	else if (tag == CA_SUNW_SF_1)
121 		return (conv_cap_val_sf1(val, mach));
122 	else
123 		return (conv_invalid_val(string, CONV_INV_STRSIZE, val, 0));
124 }
125