xref: /titanic_41/usr/src/cmd/sgs/libconv/common/sections.c (revision 1d4b38e0077763e7c9b20768eacb841957e787bc)
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_dof,		MSG_SHT_SUNW_cap,
69 	MSG_SHT_SUNW_SIGNATURE,		MSG_SHT_SUNW_ANNOTATE,
70 	MSG_SHT_SUNW_DEBUGSTR,		MSG_SHT_SUNW_DEBUG,
71 	MSG_SHT_SUNW_move,		MSG_SHT_SUNW_COMDAT,
72 	MSG_SHT_SUNW_syminfo,		MSG_SHT_SUNW_verdef,
73 	MSG_SHT_SUNW_verneed,		MSG_SHT_SUNW_versym
74 };
75 static const Msg usecs_alt[SHT_HISUNW - SHT_LOSUNW + 1] = {
76 	MSG_SHT_SUNW_dof_ALT,		MSG_SHT_SUNW_cap_ALT,
77 	MSG_SHT_SUNW_SIGNATURE_ALT,	MSG_SHT_SUNW_ANNOTATE_ALT,
78 	MSG_SHT_SUNW_DEBUGSTR_ALT,	MSG_SHT_SUNW_DEBUG_ALT,
79 	MSG_SHT_SUNW_move_ALT,		MSG_SHT_SUNW_COMDAT_ALT,
80 	MSG_SHT_SUNW_syminfo_ALT,	MSG_SHT_SUNW_verdef_ALT,
81 	MSG_SHT_SUNW_verneed_ALT,	MSG_SHT_SUNW_versym_ALT
82 };
83 #if	(SHT_LOSUNW != SHT_SUNW_dof)
84 #error	"SHT_LOSUNW has moved"
85 #endif
86 
87 
88 const char *
89 conv_sec_type(Half mach, Word sec, int fmt_flags)
90 {
91 	static char	string[CONV_INV_STRSIZE];
92 
93 	if (sec < SHT_NUM) {
94 		return (conv_map2str(string, sizeof (string), sec, fmt_flags,
95 			ARRAY_NELTS(secs), secs, secs_alt, NULL));
96 	} else if ((sec >= SHT_LOSUNW) && (sec <= SHT_HISUNW)) {
97 		return (conv_map2str(string, sizeof (string), sec - SHT_LOSUNW,
98 			fmt_flags, ARRAY_NELTS(usecs), usecs, usecs_alt, NULL));
99 	} else if ((sec >= SHT_LOPROC) && (sec <= SHT_HIPROC)) {
100 		switch (mach) {
101 		case EM_SPARC:
102 		case EM_SPARC32PLUS:
103 		case EM_SPARCV9:
104 			if (sec == SHT_SPARC_GOTDATA) {
105 				return (fmt_flags & CONV_FMT_ALTDUMP)
106 					? MSG_ORIG(MSG_SHT_SPARC_GOTDATA_ALT)
107 					: MSG_ORIG(MSG_SHT_SPARC_GOTDATA);
108 			}
109 			break;
110 		case EM_AMD64:
111 			if (sec == SHT_AMD64_UNWIND) {
112 				return (fmt_flags & CONV_FMT_ALTDUMP)
113 					? MSG_ORIG(MSG_SHT_AMD64_UNWIND_ALT)
114 					: MSG_ORIG(MSG_SHT_AMD64_UNWIND);
115 			}
116 		}
117 	}
118 
119 	/* If we get here, it's an unknown type */
120 	return (conv_invalid_val(string, CONV_INV_STRSIZE, sec, fmt_flags));
121 }
122 
123 #define	FLAGSZ	MSG_GBL_OSQBRKT_SIZE + \
124 		MSG_SHF_WRITE_SIZE + \
125 		MSG_SHF_ALLOC_SIZE + \
126 		MSG_SHF_EXECINSTR_SIZE + \
127 		MSG_SHF_MERGE_SIZE + \
128 		MSG_SHF_STRINGS_SIZE + \
129 		MSG_SHF_INFO_LINK_SIZE + \
130 		MSG_SHF_LINK_ORDER_SIZE + \
131 		MSG_SHF_OS_NONCONFORMING_SIZE + \
132 		MSG_SHF_GROUP_SIZE + \
133 		MSG_SHF_TLS_SIZE + \
134 		MSG_SHF_EXCLUDE_SIZE + \
135 		MSG_SHF_ORDERED_SIZE + \
136 		MSG_SHF_AMD64_LARGE_SIZE + \
137 		CONV_INV_STRSIZE + MSG_GBL_CSQBRKT_SIZE
138 
139 const char *
140 conv_sec_flags(Xword flags)
141 {
142 	static	char	string[FLAGSZ];
143 	static Val_desc vda[] = {
144 		{ SHF_WRITE,		MSG_ORIG(MSG_SHF_WRITE) },
145 		{ SHF_ALLOC,		MSG_ORIG(MSG_SHF_ALLOC) },
146 		{ SHF_EXECINSTR,	MSG_ORIG(MSG_SHF_EXECINSTR) },
147 		{ SHF_MERGE,		MSG_ORIG(MSG_SHF_MERGE) },
148 		{ SHF_STRINGS,		MSG_ORIG(MSG_SHF_STRINGS) },
149 		{ SHF_INFO_LINK,	MSG_ORIG(MSG_SHF_INFO_LINK) },
150 		{ SHF_LINK_ORDER,	MSG_ORIG(MSG_SHF_LINK_ORDER) },
151 		{ SHF_OS_NONCONFORMING,	MSG_ORIG(MSG_SHF_OS_NONCONFORMING) },
152 		{ SHF_GROUP,		MSG_ORIG(MSG_SHF_GROUP) },
153 		{ SHF_TLS,		MSG_ORIG(MSG_SHF_TLS) },
154 		{ SHF_EXCLUDE,		MSG_ORIG(MSG_SHF_EXCLUDE) },
155 		{ SHF_ORDERED,		MSG_ORIG(MSG_SHF_ORDERED) },
156 		{ SHF_AMD64_LARGE,	MSG_ORIG(MSG_SHF_AMD64_LARGE) },
157 		{ 0,			0 }
158 	};
159 
160 	if (flags == 0)
161 		return (MSG_ORIG(MSG_GBL_ZERO));
162 
163 	(void) strlcpy(string, MSG_ORIG(MSG_GBL_OSQBRKT), FLAGSZ);
164 	if (conv_expn_field(string, FLAGSZ, vda, flags, flags, 0, 0))
165 		(void) strlcat(string, MSG_ORIG(MSG_GBL_CSQBRKT), FLAGSZ);
166 
167 	return ((const char *)string);
168 }
169 
170 const char *
171 conv_sec_info(Word info, Xword flags)
172 {
173 	static	char	string[CONV_INV_STRSIZE];
174 
175 	if (flags & SHF_ORDERED) {
176 		if (info == SHN_BEFORE)
177 			return (MSG_ORIG(MSG_SHN_BEFORE));
178 		else if (info == SHN_AFTER)
179 			return (MSG_ORIG(MSG_SHN_AFTER));
180 	}
181 	(void) conv_invalid_val(string, CONV_INV_STRSIZE, info, 1);
182 	return ((const char *)string);
183 }
184