sections.c revision 3492:cd4326c9ab0e 
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 routines for section attributes.
30 */
31#include	<string.h>
32#include	<sys/param.h>
33#include	<sys/elf_SPARC.h>
34#include	<sys/elf_amd64.h>
35#include	<_conv.h>
36#include	<sections_msg.h>
37
38
39
40/* Instantiate a local copy of conv_map2str() from _conv.h */
41DEFINE_conv_map2str
42
43
44
45static const Msg secs[SHT_NUM] = {
46	MSG_SHT_NULL,		MSG_SHT_PROGBITS,	MSG_SHT_SYMTAB,
47	MSG_SHT_STRTAB,		MSG_SHT_RELA,		MSG_SHT_HASH,
48	MSG_SHT_DYNAMIC,	MSG_SHT_NOTE,		MSG_SHT_NOBITS,
49	MSG_SHT_REL,		MSG_SHT_SHLIB,		MSG_SHT_DYNSYM,
50	MSG_SHT_UNKNOWN12,	MSG_SHT_UNKNOWN13,	MSG_SHT_INIT_ARRAY,
51	MSG_SHT_FINI_ARRAY,	MSG_SHT_PREINIT_ARRAY,	MSG_SHT_GROUP,
52	MSG_SHT_SYMTAB_SHNDX
53};
54static const Msg secs_alt[SHT_NUM] = {
55	MSG_SHT_NULL_ALT,	MSG_SHT_PROGBITS_ALT,	MSG_SHT_SYMTAB_ALT,
56	MSG_SHT_STRTAB_ALT,	MSG_SHT_RELA_ALT,	MSG_SHT_HASH_ALT,
57	MSG_SHT_DYNAMIC_ALT,	MSG_SHT_NOTE_ALT,	MSG_SHT_NOBITS_ALT,
58	MSG_SHT_REL_ALT,	MSG_SHT_SHLIB_ALT,	MSG_SHT_DYNSYM_ALT,
59	MSG_SHT_UNKNOWN12,	MSG_SHT_UNKNOWN13,	MSG_SHT_INIT_ARRAY_ALT,
60	MSG_SHT_FINI_ARRAY_ALT,	MSG_SHT_PREINIT_ARRAY_ALT, MSG_SHT_GROUP_ALT,
61	MSG_SHT_SYMTAB_SHNDX_ALT
62};
63#if	(SHT_NUM != (SHT_SYMTAB_SHNDX + 1))
64#error	"SHT_NUM has grown"
65#endif
66
67static const Msg usecs[SHT_HISUNW - SHT_LOSUNW + 1] = {
68	MSG_SHT_SUNW_symsort,		MSG_SHT_SUNW_tlssort,
69	MSG_SHT_SUNW_LDYNSYM,		MSG_SHT_SUNW_dof,
70	MSG_SHT_SUNW_cap,		MSG_SHT_SUNW_SIGNATURE,
71	MSG_SHT_SUNW_ANNOTATE,		MSG_SHT_SUNW_DEBUGSTR,
72	MSG_SHT_SUNW_DEBUG,		MSG_SHT_SUNW_move,
73	MSG_SHT_SUNW_COMDAT,		MSG_SHT_SUNW_syminfo,
74	MSG_SHT_SUNW_verdef,		MSG_SHT_SUNW_verneed,
75	MSG_SHT_SUNW_versym
76};
77static const Msg usecs_alt[SHT_HISUNW - SHT_LOSUNW + 1] = {
78	MSG_SHT_SUNW_symsort_ALT,	MSG_SHT_SUNW_tlssort_ALT,
79	MSG_SHT_SUNW_LDYNSYM_ALT,	MSG_SHT_SUNW_dof_ALT,
80	MSG_SHT_SUNW_cap_ALT,		MSG_SHT_SUNW_SIGNATURE_ALT,
81	MSG_SHT_SUNW_ANNOTATE_ALT,	MSG_SHT_SUNW_DEBUGSTR_ALT,
82	MSG_SHT_SUNW_DEBUG_ALT,		MSG_SHT_SUNW_move_ALT,
83	MSG_SHT_SUNW_COMDAT_ALT,	MSG_SHT_SUNW_syminfo_ALT,
84	MSG_SHT_SUNW_verdef_ALT,	MSG_SHT_SUNW_verneed_ALT,
85	MSG_SHT_SUNW_versym_ALT
86};
87#if	(SHT_LOSUNW != SHT_SUNW_symsort)
88#error	"SHT_LOSUNW has moved"
89#endif
90
91
92const char *
93conv_sec_type(Half mach, Word sec, int fmt_flags)
94{
95	static Conv_inv_buf_t	string;
96
97	if (sec < SHT_NUM) {
98		return (conv_map2str(string, sizeof (string), sec, fmt_flags,
99			ARRAY_NELTS(secs), secs, secs_alt, NULL));
100	} else if ((sec >= SHT_LOSUNW) && (sec <= SHT_HISUNW)) {
101		return (conv_map2str(string, sizeof (string), sec - SHT_LOSUNW,
102			fmt_flags, ARRAY_NELTS(usecs), usecs, usecs_alt, NULL));
103	} else if ((sec >= SHT_LOPROC) && (sec <= SHT_HIPROC)) {
104		switch (mach) {
105		case EM_SPARC:
106		case EM_SPARC32PLUS:
107		case EM_SPARCV9:
108			if (sec == SHT_SPARC_GOTDATA) {
109				return (fmt_flags & CONV_FMT_ALTDUMP)
110					? MSG_ORIG(MSG_SHT_SPARC_GOTDATA_ALT)
111					: MSG_ORIG(MSG_SHT_SPARC_GOTDATA);
112			}
113			break;
114		case EM_AMD64:
115			if (sec == SHT_AMD64_UNWIND) {
116				return (fmt_flags & CONV_FMT_ALTDUMP)
117					? MSG_ORIG(MSG_SHT_AMD64_UNWIND_ALT)
118					: MSG_ORIG(MSG_SHT_AMD64_UNWIND);
119			}
120		}
121	}
122
123	/* If we get here, it's an unknown type */
124	return (conv_invalid_val(string, CONV_INV_STRSIZE, sec, fmt_flags));
125}
126
127#define	FLAGSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
128		MSG_SHF_WRITE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
129		MSG_SHF_ALLOC_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
130		MSG_SHF_EXECINSTR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
131		MSG_SHF_MERGE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
132		MSG_SHF_STRINGS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
133		MSG_SHF_INFO_LINK_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
134		MSG_SHF_LINK_ORDER_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
135		MSG_SHF_OS_NONCONFORMING_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
136		MSG_SHF_GROUP_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
137		MSG_SHF_TLS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
138		MSG_SHF_EXCLUDE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
139		MSG_SHF_ORDERED_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
140		MSG_SHF_AMD64_LARGE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
141		CONV_INV_STRSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
142
143const char *
144conv_sec_flags(Xword flags)
145{
146	static	char	string[FLAGSZ];
147	static Val_desc vda[] = {
148		{ SHF_WRITE,		MSG_ORIG(MSG_SHF_WRITE) },
149		{ SHF_ALLOC,		MSG_ORIG(MSG_SHF_ALLOC) },
150		{ SHF_EXECINSTR,	MSG_ORIG(MSG_SHF_EXECINSTR) },
151		{ SHF_MERGE,		MSG_ORIG(MSG_SHF_MERGE) },
152		{ SHF_STRINGS,		MSG_ORIG(MSG_SHF_STRINGS) },
153		{ SHF_INFO_LINK,	MSG_ORIG(MSG_SHF_INFO_LINK) },
154		{ SHF_LINK_ORDER,	MSG_ORIG(MSG_SHF_LINK_ORDER) },
155		{ SHF_OS_NONCONFORMING,	MSG_ORIG(MSG_SHF_OS_NONCONFORMING) },
156		{ SHF_GROUP,		MSG_ORIG(MSG_SHF_GROUP) },
157		{ SHF_TLS,		MSG_ORIG(MSG_SHF_TLS) },
158		{ SHF_EXCLUDE,		MSG_ORIG(MSG_SHF_EXCLUDE) },
159		{ SHF_ORDERED,		MSG_ORIG(MSG_SHF_ORDERED) },
160		{ SHF_AMD64_LARGE,	MSG_ORIG(MSG_SHF_AMD64_LARGE) },
161		{ 0,			0 }
162	};
163	static CONV_EXPN_FIELD_ARG conv_arg = { string, sizeof (string), vda };
164
165	if (flags == 0)
166		return (MSG_ORIG(MSG_GBL_ZERO));
167
168	conv_arg.oflags = conv_arg.rflags = flags;
169	(void) conv_expn_field(&conv_arg);
170
171	return ((const char *)string);
172}
173
174/*
175 * conv_sec_linkinfo() is one of the few conversion routines that can be called
176 * twice for the same diagnostic (see liblddbg:Elf_Shdr()), hence the caller
177 * has to supply different string buffers.
178 */
179const char *
180conv_sec_linkinfo(Word info, Xword flags, Conv_inv_buf_t buffer)
181{
182	if (flags & ALL_SHF_ORDER) {
183		if (info == SHN_BEFORE)
184			return (MSG_ORIG(MSG_SHN_BEFORE));
185		else if (info == SHN_AFTER)
186			return (MSG_ORIG(MSG_SHN_AFTER));
187	}
188	(void) conv_invalid_val(buffer, CONV_INV_STRSIZE, info, 1);
189	return ((const char *)buffer);
190}
191