xref: /titanic_44/usr/src/cmd/sgs/libconv/common/sections.c (revision 753d2d2e8e7fd0c9bcf736d9bf2f2faf4d6234cc)
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 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 */
41 DEFINE_conv_map2str
42 
43 
44 
45 static 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 };
54 static 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 
67 static const Msg usecs[SHT_HISUNW - SHT_LOSUNW + 1] = {
68 	MSG_SHT_SUNW_LDYNSYM,		MSG_SHT_SUNW_dof,
69 	MSG_SHT_SUNW_cap,		MSG_SHT_SUNW_SIGNATURE,
70 	MSG_SHT_SUNW_ANNOTATE,		MSG_SHT_SUNW_DEBUGSTR,
71 	MSG_SHT_SUNW_DEBUG,		MSG_SHT_SUNW_move,
72 	MSG_SHT_SUNW_COMDAT,		MSG_SHT_SUNW_syminfo,
73 	MSG_SHT_SUNW_verdef,		MSG_SHT_SUNW_verneed,
74 	MSG_SHT_SUNW_versym
75 };
76 static const Msg usecs_alt[SHT_HISUNW - SHT_LOSUNW + 1] = {
77 	MSG_SHT_SUNW_LDYNSYM_ALT,	MSG_SHT_SUNW_dof_ALT,
78 	MSG_SHT_SUNW_cap_ALT,		MSG_SHT_SUNW_SIGNATURE_ALT,
79 	MSG_SHT_SUNW_ANNOTATE_ALT,	MSG_SHT_SUNW_DEBUGSTR_ALT,
80 	MSG_SHT_SUNW_DEBUG_ALT,		MSG_SHT_SUNW_move_ALT,
81 	MSG_SHT_SUNW_COMDAT_ALT,	MSG_SHT_SUNW_syminfo_ALT,
82 	MSG_SHT_SUNW_verdef_ALT,	MSG_SHT_SUNW_verneed_ALT,
83 	MSG_SHT_SUNW_versym_ALT
84 };
85 #if	(SHT_LOSUNW != SHT_SUNW_LDYNSYM)
86 #error	"SHT_LOSUNW has moved"
87 #endif
88 
89 
90 const char *
91 conv_sec_type(Half mach, Word sec, int fmt_flags)
92 {
93 	static char	string[CONV_INV_STRSIZE];
94 
95 	if (sec < SHT_NUM) {
96 		return (conv_map2str(string, sizeof (string), sec, fmt_flags,
97 			ARRAY_NELTS(secs), secs, secs_alt, NULL));
98 	} else if ((sec >= SHT_LOSUNW) && (sec <= SHT_HISUNW)) {
99 		return (conv_map2str(string, sizeof (string), sec - SHT_LOSUNW,
100 			fmt_flags, ARRAY_NELTS(usecs), usecs, usecs_alt, NULL));
101 	} else if ((sec >= SHT_LOPROC) && (sec <= SHT_HIPROC)) {
102 		switch (mach) {
103 		case EM_SPARC:
104 		case EM_SPARC32PLUS:
105 		case EM_SPARCV9:
106 			if (sec == SHT_SPARC_GOTDATA) {
107 				return (fmt_flags & CONV_FMT_ALTDUMP)
108 					? MSG_ORIG(MSG_SHT_SPARC_GOTDATA_ALT)
109 					: MSG_ORIG(MSG_SHT_SPARC_GOTDATA);
110 			}
111 			break;
112 		case EM_AMD64:
113 			if (sec == SHT_AMD64_UNWIND) {
114 				return (fmt_flags & CONV_FMT_ALTDUMP)
115 					? MSG_ORIG(MSG_SHT_AMD64_UNWIND_ALT)
116 					: MSG_ORIG(MSG_SHT_AMD64_UNWIND);
117 			}
118 		}
119 	}
120 
121 	/* If we get here, it's an unknown type */
122 	return (conv_invalid_val(string, CONV_INV_STRSIZE, sec, fmt_flags));
123 }
124 
125 #define	FLAGSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
126 		MSG_SHF_WRITE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
127 		MSG_SHF_ALLOC_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
128 		MSG_SHF_EXECINSTR_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
129 		MSG_SHF_MERGE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
130 		MSG_SHF_STRINGS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
131 		MSG_SHF_INFO_LINK_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
132 		MSG_SHF_LINK_ORDER_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
133 		MSG_SHF_OS_NONCONFORMING_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
134 		MSG_SHF_GROUP_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
135 		MSG_SHF_TLS_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
136 		MSG_SHF_EXCLUDE_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
137 		MSG_SHF_ORDERED_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
138 		MSG_SHF_AMD64_LARGE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
139 		CONV_INV_STRSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
140 
141 const char *
142 conv_sec_flags(Xword flags)
143 {
144 	static	char	string[FLAGSZ];
145 	static Val_desc vda[] = {
146 		{ SHF_WRITE,		MSG_ORIG(MSG_SHF_WRITE) },
147 		{ SHF_ALLOC,		MSG_ORIG(MSG_SHF_ALLOC) },
148 		{ SHF_EXECINSTR,	MSG_ORIG(MSG_SHF_EXECINSTR) },
149 		{ SHF_MERGE,		MSG_ORIG(MSG_SHF_MERGE) },
150 		{ SHF_STRINGS,		MSG_ORIG(MSG_SHF_STRINGS) },
151 		{ SHF_INFO_LINK,	MSG_ORIG(MSG_SHF_INFO_LINK) },
152 		{ SHF_LINK_ORDER,	MSG_ORIG(MSG_SHF_LINK_ORDER) },
153 		{ SHF_OS_NONCONFORMING,	MSG_ORIG(MSG_SHF_OS_NONCONFORMING) },
154 		{ SHF_GROUP,		MSG_ORIG(MSG_SHF_GROUP) },
155 		{ SHF_TLS,		MSG_ORIG(MSG_SHF_TLS) },
156 		{ SHF_EXCLUDE,		MSG_ORIG(MSG_SHF_EXCLUDE) },
157 		{ SHF_ORDERED,		MSG_ORIG(MSG_SHF_ORDERED) },
158 		{ SHF_AMD64_LARGE,	MSG_ORIG(MSG_SHF_AMD64_LARGE) },
159 		{ 0,			0 }
160 	};
161 	static CONV_EXPN_FIELD_ARG conv_arg = { string, sizeof (string), vda };
162 
163 	if (flags == 0)
164 		return (MSG_ORIG(MSG_GBL_ZERO));
165 
166 	conv_arg.oflags = conv_arg.rflags = flags;
167 	(void) conv_expn_field(&conv_arg);
168 
169 	return ((const char *)string);
170 }
171 
172 const char *
173 conv_sec_linkinfo(Word info, Xword flags)
174 {
175 	static	char	string[CONV_INV_STRSIZE];
176 
177 	if (flags & ALL_SHF_ORDER) {
178 		if (info == SHN_BEFORE)
179 			return (MSG_ORIG(MSG_SHN_BEFORE));
180 		else if (info == SHN_AFTER)
181 			return (MSG_ORIG(MSG_SHN_AFTER));
182 	}
183 	(void) conv_invalid_val(string, CONV_INV_STRSIZE, info, 1);
184 	return ((const char *)string);
185 }
186