1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _RELOC_DOT_H
#define _RELOC_DOT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#if defined(_KERNEL)
#include <sys/machelf.h>
#include <sys/bootconf.h>
#include <sys/kobj.h>
#include <sys/kobj_impl.h>
#else
#include <machdep.h>
#endif /* _KERNEL */
#include <relmach.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Global include file for relocation common code.
*
* Flags for reloc_entry->re_flags
*/
#define FLG_RE_NOTREL 0x00000000
#define FLG_RE_GOTADD 0x00000001 /* create a GOT entry */
#define FLG_RE_GOTREL 0x00000002 /* GOT based */
#define FLG_RE_GOTPC 0x00000004 /* GOT - P */
#define FLG_RE_GOTOPINS 0x00000008 /* GOTOP instruction */
#define FLG_RE_PCREL 0x00000010
#define FLG_RE_PLTREL 0x00000020
#define FLG_RE_VERIFY 0x00000040 /* verify value fits */
#define FLG_RE_UNALIGN 0x00000080 /* offset is not aligned */
#define FLG_RE_WDISP16 0x00000100 /* funky sparc DISP16 rel */
#define FLG_RE_SIGN 0x00000200 /* value is signed */
#define FLG_RE_ADDRELATIVE 0x00000400 /* RELATIVE relocation */
/* required for non-fixed */
/* objects */
#define FLG_RE_EXTOFFSET 0x00000800 /* extra offset required */
#define FLG_RE_REGISTER 0x00001000 /* relocation initializes */
/* a REGISTER by OLO10 */
#define FLG_RE_MSB 0x00002000 /* merced MSB data field */
#define FLG_RE_LSB 0x00004000 /* merced LSB data field */
#define FLG_RE_ADDFIELD 0x00008000 /* add contents of field at */
/* r_offset to value */
#define FLG_RE_NOTSUP 0x00010000 /* relocation not supported */
#define FLG_RE_FRMOFF 0x00020000 /* offset contains islot */
/* value (IA64) */
#define FLG_RE_SEGREL 0x00040000 /* Segment relative */
#define FLG_RE_SECREL 0x00080000 /* Section relative */
#define FLG_RE_TLSINS 0x00100000 /* TLS instructino rel */
#define FLG_RE_TLSGD 0x00200000 /* TLS GD relocation */
#define FLG_RE_TLSLD 0x00400000 /* TLS LD relocation */
#define FLG_RE_TLSIE 0x00800000 /* TLS IE relocation */
#define FLG_RE_TLSLE 0x01000000 /* TLS LE relocation */
#define FLG_RE_LOCLBND 0x02000000 /* relocation must bind */
/* locally */
/*
* Macros for testing relocation table flags
*/
extern const Rel_entry reloc_table[];
#define IS_PLT(X) ((reloc_table[(X)].re_flags & \
FLG_RE_PLTREL) != 0)
#define IS_GOT_RELATIVE(X) ((reloc_table[(X)].re_flags & \
FLG_RE_GOTADD) != 0)
#define IS_GOT_PC(X) ((reloc_table[(X)].re_flags & \
FLG_RE_GOTPC) != 0)
#define IS_GOTPCREL(X) ((reloc_table[(X)].re_flags & \
(FLG_RE_GOTPC | FLG_RE_GOTADD)) == \
(FLG_RE_GOTPC | FLG_RE_GOTADD))
#define IS_GOT_BASED(X) ((reloc_table[(X)].re_flags & \
FLG_RE_GOTREL) != 0)
#define IS_GOT_INS(X) ((reloc_table[(X)].re_flags &\
FLG_RE_GOTOPINS) != 0)
#define IS_PC_RELATIVE(X) ((reloc_table[(X)].re_flags & \
FLG_RE_PCREL) != 0)
#define IS_ADD_RELATIVE(X) ((reloc_table[(X)].re_flags & \
FLG_RE_ADDRELATIVE) != 0)
#define IS_REGISTER(X) ((reloc_table[(X)].re_flags & \
FLG_RE_REGISTER) != 0)
#define IS_FORMOFF(X) ((reloc_table[(X)].re_flags &\
FLG_RE_FRMOFF) != 0)
#define IS_NOTSUP(X) ((reloc_table[(X)].re_flags &\
FLG_RE_NOTSUP) != 0)
#define IS_SEG_RELATIVE(X) ((reloc_table[(X)].re_flags &\
FLG_RE_SEGREL) != 0)
#define IS_EXTOFFSET(X) ((reloc_table[(X)].re_flags &\
FLG_RE_EXTOFFSET) != 0)
#define IS_SEC_RELATIVE(X) ((reloc_table[(X)].re_flags &\
FLG_RE_SECREL) != 0)
#define IS_TLS_INS(X) ((reloc_table[(X)].re_flags &\
FLG_RE_TLSINS) != 0)
#define IS_TLS_GD(X) ((reloc_table[(X)].re_flags &\
FLG_RE_TLSGD) != 0)
#define IS_TLS_LD(X) ((reloc_table[(X)].re_flags &\
FLG_RE_TLSLD) != 0)
#define IS_TLS_IE(X) ((reloc_table[(X)].re_flags &\
FLG_RE_TLSIE) != 0)
#define IS_TLS_LE(X) ((reloc_table[(X)].re_flags &\
FLG_RE_TLSLE) != 0)
#define IS_TLS(X) ((reloc_table[(X)].re_flags &\
(FLG_RE_TLSINS|FLG_RE_TLSGD| \
FLG_RE_TLSLD|FLG_RE_TLSIE| \
FLG_RE_TLSLE)) != 0)
#define IS_LOCALBND(X) ((reloc_table[(X)].re_flags &\
FLG_RE_LOCLBND) != 0)
/*
* Functions.
*/
#if defined(__i386) || defined(__ia64) || defined(__amd64)
extern int do_reloc(unsigned char, unsigned char *, Xword *,
const char *, const char *);
#elif defined(__sparc)
extern int do_reloc(unsigned char, unsigned char *, Xword *,
const char *, const char *);
#endif
/*
* NOTE - this CONVRELOC macro is only used
* in the REL_ERR_NOFIT() macro below. For Intel
* this macro is only referenced from the amd64 side - it's
* not relevant for i386. So - we just define AMD64 for i386
* and sparc is sparc.
*/
#if defined(__amd64) || defined(__i386)
#define CONVRELOC conv_reloc_amd64_type_str
#elif defined(__sparc)
#define CONVRELOC conv_reloc_SPARC_type_str
#else
#error platform not defined!
#endif
#if defined(_KERNEL)
/*
* These are macro's that are only needed for krtld. Many of these
* are already defined in the sgs/include files referenced by
* ld and rtld
*/
#define S_MASK(n) ((1l << (n)) - 1l)
#define S_INRANGE(v, n) (((-(1l << (n)) - 1l) < (v)) && ((v) < (1l << (n))))
/*
* This converts the sgs eprintf() routine into the _printf()
* as used by krtld.
*/
#define eprintf _kobj_printf
#define ERR_FATAL ops
/*
* Message strings used by doreloc()
*/
#define MSG_ORIG(x) x
#define MSG_INTL(x) x
#define MSG_STR_UNKNOWN "(unknown)"
#define MSG_REL_UNSUPSZ "relocation error: %s: file %s: symbol %s: " \
"offset size (%d bytes) is not supported"
#define MSG_REL_ERR_STR "relocation error: %s:"
#define MSG_REL_ERR_WITH_FILE "relocation error: file %s: "
#define MSG_REL_ERR_FILE " file %s: "
#define MSG_REL_ERR_SYM " symbol %s: "
#define MSG_REL_ERR_VALUE " value 0x%llx"
#define MSG_REL_ERR_OFF " offset 0x%llx\n"
#define MSG_REL_UNIMPL " unimplemented relocation type: %d"
#define MSG_REL_NONALIGN " offset 0x%llx is non-aligned\n"
#define MSG_REL_UNNOBITS " unsupported number of bits: %d"
#define MSG_REL_NOFIT " value 0x%llx does not fit\n"
#define MSG_REL_LOSEBITS " loses %d bits at"
extern const char *conv_reloc_SPARC_type_str(Word rtype);
extern const char *conv_reloc_386_type_str(Word rtype);
extern const char *conv_reloc_amd64_type_str(Word rtype);
/*
* Note: Related to bug 4128755, dlerror() only keeps track
* of a single error string, and therefore must have errors
* reported through a single eprintf() call. The kernel's
* printf is somewhat more limited, and must receive messages
* with only one arguement to the format string. The following
* macros are to straighted all this out because krtld and
* rtld share do_reloc().
*/
#define REL_ERR_UNIMPL(file, sym, rtype) \
eprintf(ERR_FATAL, MSG_REL_ERR_WITH_FILE, (file)); \
eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \
((sym) ? (sym) : MSG_STR_UNKNOWN)); \
eprintf(ERR_FATAL, MSG_REL_UNIMPL, \
(int)(rtype))
#define REL_ERR_NONALIGN(file, sym, rtype, off) \
eprintf(ERR_FATAL, MSG_REL_ERR_STR, \
conv_reloc_SPARC_type_str((rtype))); \
eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \
eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \
((sym) ? (sym) : MSG_STR_UNKNOWN)); \
eprintf(ERR_FATAL, MSG_REL_NONALIGN, \
EC_OFF((off)))
#define REL_ERR_UNNOBITS(file, sym, rtype, nbits) \
eprintf(ERR_FATAL, MSG_REL_ERR_STR, \
conv_reloc_SPARC_type_str((rtype))); \
eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \
eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \
((sym) ? (sym) : MSG_STR_UNKNOWN)); \
eprintf(ERR_FATAL, MSG_REL_UNNOBITS, (nbits))
#define REL_ERR_LOSEBITS(file, sym, rtype, uvalue, nbits, off) \
eprintf(ERR_FATAL, MSG_REL_ERR_STR, \
conv_reloc_SPARC_type_str((rtype))); \
eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \
eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \
((sym) ? (sym) : MSG_STR_UNKNOWN)); \
eprintf(ERR_FATAL, MSG_REL_ERR_VALUE, EC_XWORD((uvalue))); \
eprintf(ERR_FATAL, MSG_REL_LOSEBITS, (nbits)); \
eprintf(ERR_FATAL, MSG_REL_ERR_OFF, EC_ADDR((off)))
#define REL_ERR_NOFIT(file, sym, rtype, uvalue) \
eprintf(ERR_FATAL, MSG_REL_ERR_STR, \
CONVRELOC((rtype))); \
eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \
eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \
((sym) ? (sym) : MSG_STR_UNKNOWN)); \
eprintf(ERR_FATAL, MSG_REL_NOFIT, EC_XWORD((uvalue)))
#else /* !_KERNEL */
extern const char *demangle(const char *);
#define REL_ERR_UNIMPL(file, sym, rtype) \
(eprintf(ERR_FATAL, MSG_INTL(MSG_REL_UNIMPL), \
(file), ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \
(int)(rtype)))
#define REL_ERR_NONALIGN(file, sym, rtype, off) \
(eprintf(ERR_FATAL, MSG_INTL(MSG_REL_NONALIGN), \
conv_reloc_SPARC_type_str(rtype), (file), \
((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \
EC_OFF((off))))
#define REL_ERR_UNNOBITS(file, sym, rtype, nbits) \
(eprintf(ERR_FATAL, MSG_INTL(MSG_REL_UNNOBITS), \
conv_reloc_SPARC_type_str(rtype), (file), \
((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), (nbits)))
#define REL_ERR_LOSEBITS(file, sym, rtype, uvalue, nbits, off) \
(eprintf(ERR_FATAL, MSG_INTL(MSG_REL_LOSEBITS), \
conv_reloc_SPARC_type_str((rtype)), (file), \
((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \
EC_XWORD((uvalue)), (nbits), EC_ADDR((off))))
#define REL_ERR_NOFIT(file, sym, rtype, uvalue) \
(eprintf(ERR_FATAL, MSG_INTL(MSG_REL_NOFIT), \
CONVRELOC((rtype)), (file), \
((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \
EC_XWORD((uvalue))))
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _RELOC_DOT_H */
|
