syminfo.c revision 11827:d7ef53deac3f 
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 routines for syminfo attributes.
29 */
30#include	<stdio.h>
31#include	<_machelf.h>
32#include	"_conv.h"
33#include	"syminfo_msg.h"
34
35
36
37static const Val_desc *
38conv_syminfo_flags_strings(Conv_fmt_flags_t fmt_flags)
39{
40#define	FLAGSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
41	MSG_SYMINFO_FLG_DIRECT_CF_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
42	MSG_SYMINFO_FLG_FILTER_CF_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
43	MSG_SYMINFO_FLG_COPY_CF_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
44	MSG_SYMINFO_FLG_LAZYLOAD_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
45	MSG_SYMINFO_FLG_DIRECTBIND_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
46	MSG_SYMINFO_FLG_NOEXTDIRECT_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
47	MSG_SYMINFO_FLG_AUXILIARY_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
48	MSG_SYMINFO_FLG_INTERPOSE_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
49	CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
50
51	/*
52	 * Ensure that Conv_syminfo_flags_buf_t is large enough:
53	 *
54	 * FLAGSZ is the real minimum size of the buffer required by
55	 * conv_syminfo_flags(). However, Conv_syminfo_flags_buf_t uses
56	 * CONV_SYMINFO_FLAGS_BUFSIZE to set the buffer size. We do things
57	 * this way because the definition of FLAGSZ uses information that
58	 * is not available in the environment of other programs that include
59	 * the conv.h header file.
60	 */
61#if (CONV_SYMINFO_FLAGS_BUFSIZE != FLAGSZ) && !defined(__lint)
62#define	REPORT_BUFSIZE FLAGSZ
63#include "report_bufsize.h"
64#error "CONV_SYMINFO_FLAGS_BUFSIZE does not match FLAGSZ"
65#endif
66
67	static const Val_desc vda_cf[] = {
68		{ SYMINFO_FLG_DIRECT,	MSG_SYMINFO_FLG_DIRECT_CF },
69		{ SYMINFO_FLG_FILTER,	MSG_SYMINFO_FLG_FILTER_CF },
70		{ SYMINFO_FLG_COPY,	MSG_SYMINFO_FLG_COPY_CF },
71		{ SYMINFO_FLG_LAZYLOAD,	MSG_SYMINFO_FLG_LAZYLOAD_CF },
72		{ SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_CF },
73		{ SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_CF },
74		{ SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_CF },
75		{ SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_CF },
76		{ SYMINFO_FLG_CAP,	MSG_SYMINFO_FLG_CAP_CF },
77		{ 0 }
78	};
79	static const Val_desc vda_cfnp[] = {
80		{ SYMINFO_FLG_DIRECT,	MSG_SYMINFO_FLG_DIRECT_CFNP },
81		{ SYMINFO_FLG_FILTER,	MSG_SYMINFO_FLG_FILTER_CFNP },
82		{ SYMINFO_FLG_COPY,	MSG_SYMINFO_FLG_COPY_CFNP },
83		{ SYMINFO_FLG_LAZYLOAD,	MSG_SYMINFO_FLG_LAZYLOAD_CFNP },
84		{ SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_CFNP },
85		{ SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_CFNP },
86		{ SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_CFNP },
87		{ SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_CFNP },
88		{ SYMINFO_FLG_CAP,	MSG_SYMINFO_FLG_CAP_CFNP },
89		{ 0 }
90	};
91	static const Val_desc vda_nf[] = {
92		{ SYMINFO_FLG_DIRECT,	MSG_SYMINFO_FLG_DIRECT_NF },
93		{ SYMINFO_FLG_FILTER,	MSG_SYMINFO_FLG_FILTER_NF },
94		{ SYMINFO_FLG_COPY,	MSG_SYMINFO_FLG_COPY_NF },
95		{ SYMINFO_FLG_LAZYLOAD,	MSG_SYMINFO_FLG_LAZYLOAD_NF },
96		{ SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_NF },
97		{ SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_NF },
98		{ SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_NF },
99		{ SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_NF },
100		{ SYMINFO_FLG_CAP,	MSG_SYMINFO_FLG_CAP_NF },
101		{ 0 }
102	};
103
104	switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
105	case CONV_FMT_ALT_CF:
106		return (vda_cf);
107	case CONV_FMT_ALT_NF:
108		return (vda_nf);
109	}
110
111	return (vda_cfnp);
112}
113
114
115const char *
116conv_syminfo_flags(Half flags, Conv_fmt_flags_t fmt_flags,
117    Conv_syminfo_flags_buf_t *syminfo_flags_buf)
118{
119	static CONV_EXPN_FIELD_ARG conv_arg = {
120	    NULL, sizeof (syminfo_flags_buf->buf) };
121
122	if (flags == 0)
123		return (MSG_ORIG(MSG_GBL_ZERO));
124
125	conv_arg.buf = syminfo_flags_buf->buf;
126	conv_arg.oflags = conv_arg.rflags = flags;
127	conv_arg.prefix = conv_arg.suffix = NULL;
128	(void) conv_expn_field(&conv_arg,
129	    conv_syminfo_flags_strings(fmt_flags), fmt_flags);
130
131	return ((const char *)syminfo_flags_buf->buf);
132}
133
134conv_iter_ret_t
135conv_iter_syminfo_flags(Conv_fmt_flags_t fmt_flags, conv_iter_cb_t func,
136    void *uvalue)
137{
138	return (conv_iter_vd(conv_syminfo_flags_strings(fmt_flags),
139	    func, uvalue));
140}
141
142
143static const conv_ds_t **
144conv_syminfo_boundto_strings(Conv_fmt_flags_t fmt_flags)
145{
146	static const Msg	boundto_cf[] = {
147		MSG_SYMINFO_BT_EXTERN_CF,	MSG_SYMINFO_BT_NONE_CF,
148		MSG_SYMINFO_BT_PARENT_CF,	MSG_SYMINFO_BT_SELF_CF
149	};
150	static const Msg	boundto_cfnp[] = {
151		MSG_SYMINFO_BT_EXTERN_CFNP,	MSG_SYMINFO_BT_NONE_CFNP,
152		MSG_SYMINFO_BT_PARENT_CFNP,	MSG_SYMINFO_BT_SELF_CFNP
153	};
154	static const Msg	boundto_nf[] = {
155		MSG_SYMINFO_BT_EXTERN_NF,	MSG_SYMINFO_BT_NONE_NF,
156		MSG_SYMINFO_BT_PARENT_NF,	MSG_SYMINFO_BT_SELF_NF
157	};
158	static const conv_ds_msg_t ds_boundto_cf = {
159	    CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_cf) };
160	static const conv_ds_msg_t ds_boundto_cfnp = {
161	    CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_cfnp) };
162	static const conv_ds_msg_t ds_boundto_nf = {
163	    CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_nf) };
164
165	/* Build NULL terminated return arrays for each string style */
166	static const const conv_ds_t	*ds_cf[] = {
167		CONV_DS_ADDR(ds_boundto_cf), NULL };
168	static const const conv_ds_t	*ds_cfnp[] = {
169		CONV_DS_ADDR(ds_boundto_cfnp), NULL };
170	static const const conv_ds_t	*ds_nf[] = {
171		CONV_DS_ADDR(ds_boundto_nf), NULL };
172
173	/* Select the strings to use */
174	switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
175	case CONV_FMT_ALT_CF:
176		return (ds_cf);
177	case CONV_FMT_ALT_NF:
178		return (ds_nf);
179	}
180
181	return (ds_cfnp);
182}
183
184const char *
185conv_syminfo_boundto(Half value, Conv_fmt_flags_t fmt_flags,
186    Conv_inv_buf_t *inv_buf)
187{
188	return (conv_map_ds(ELFOSABI_NONE, EM_NONE, value,
189	    conv_syminfo_boundto_strings(fmt_flags), fmt_flags, inv_buf));
190}
191
192conv_iter_ret_t
193conv_iter_syminfo_boundto(Conv_fmt_flags_t fmt_flags, conv_iter_cb_t func,
194    void *uvalue)
195{
196	return (conv_iter_ds(ELFOSABI_NONE, EM_NONE,
197	    conv_syminfo_boundto_strings(fmt_flags), func, uvalue));
198}
199