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1 578 markom
/* ELF support for BFD.
2
   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3
   2001
4
   Free Software Foundation, Inc.
5
 
6
   Written by Fred Fish @ Cygnus Support, from information published
7
   in "UNIX System V Release 4, Programmers Guide: ANSI C and
8
   Programming Support Tools".
9
 
10
This file is part of BFD, the Binary File Descriptor library.
11
 
12
This program is free software; you can redistribute it and/or modify
13
it under the terms of the GNU General Public License as published by
14
the Free Software Foundation; either version 2 of the License, or
15
(at your option) any later version.
16
 
17
This program is distributed in the hope that it will be useful,
18
but WITHOUT ANY WARRANTY; without even the implied warranty of
19
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
GNU General Public License for more details.
21
 
22
You should have received a copy of the GNU General Public License
23
along with this program; if not, write to the Free Software
24
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
25
 
26
 
27
/* This file is part of ELF support for BFD, and contains the portions
28
   that are common to both the internal and external representations.
29
   For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
30
   and external (in-file) representations. */
31
 
32
#ifndef _ELF_COMMON_H
33
#define _ELF_COMMON_H
34
 
35
/* Fields in e_ident[] */
36
 
37
#define EI_MAG0         0        /* File identification byte 0 index */
38
#define ELFMAG0         0x7F    /* Magic number byte 0 */
39
 
40
#define EI_MAG1         1       /* File identification byte 1 index */
41
#define ELFMAG1         'E'     /* Magic number byte 1 */
42
 
43
#define EI_MAG2         2       /* File identification byte 2 index */
44
#define ELFMAG2         'L'     /* Magic number byte 2 */
45
 
46
#define EI_MAG3         3       /* File identification byte 3 index */
47
#define ELFMAG3         'F'     /* Magic number byte 3 */
48
 
49
#define EI_CLASS        4       /* File class */
50
#define ELFCLASSNONE    0        /* Invalid class */
51
#define ELFCLASS32      1       /* 32-bit objects */
52
#define ELFCLASS64      2       /* 64-bit objects */
53
 
54
#define EI_DATA         5       /* Data encoding */
55
#define ELFDATANONE     0        /* Invalid data encoding */
56
#define ELFDATA2LSB     1       /* 2's complement, little endian */
57
#define ELFDATA2MSB     2       /* 2's complement, big endian */
58
 
59
#define EI_VERSION      6       /* File version */
60
 
61
#define EI_OSABI        7       /* Operating System/ABI indication */
62
#define ELFOSABI_NONE   0       /* UNIX System V ABI */
63
#define ELFOSABI_HPUX   1       /* HP-UX operating system */
64
#define ELFOSABI_NETBSD 2       /* NetBSD */
65
#define ELFOSABI_LINUX  3       /* GNU/Linux */
66
#define ELFOSABI_HURD   4       /* GNU/Hurd */
67
#define ELFOSABI_SOLARIS 6      /* Solaris */
68
#define ELFOSABI_AIX    7       /* AIX */
69
#define ELFOSABI_IRIX   8       /* IRIX */
70
#define ELFOSABI_FREEBSD 9      /* FreeBSD */
71
#define ELFOSABI_TRU64  10      /* TRU64 UNIX */
72
#define ELFOSABI_MODESTO 11     /* Novell Modesto */
73
#define ELFOSABI_OPENBSD 12     /* OpenBSD */
74
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
75
#define ELFOSABI_ARM   97       /* ARM */
76
 
77
#define EI_ABIVERSION   8       /* ABI version */
78
 
79
#define EI_PAD          9       /* Start of padding bytes */
80
 
81
 
82
/* Values for e_type, which identifies the object file type.  */
83
 
84
#define ET_NONE         0        /* No file type */
85
#define ET_REL          1       /* Relocatable file */
86
#define ET_EXEC         2       /* Executable file */
87
#define ET_DYN          3       /* Shared object file */
88
#define ET_CORE         4       /* Core file */
89
#define ET_LOOS         0xFE00  /* Operating system-specific */
90
#define ET_HIOS         0xFEFF  /* Operating system-specific */
91
#define ET_LOPROC       0xFF00  /* Processor-specific */
92
#define ET_HIPROC       0xFFFF  /* Processor-specific */
93
 
94
/* Values for e_machine, which identifies the architecture.  These numbers
95
   are officially assigned by registry@sco.com.  See below for a list of
96
   ad-hoc numbers used during initial development.  */
97
 
98
#define EM_NONE         0        /* No machine */
99
#define EM_M32          1       /* AT&T WE 32100 */
100
#define EM_SPARC        2       /* SUN SPARC */
101
#define EM_386          3       /* Intel 80386 */
102
#define EM_68K          4       /* Motorola m68k family */
103
#define EM_88K          5       /* Motorola m88k family */
104
#define EM_486          6       /* Intel 80486 *//* Reserved for future use */
105
#define EM_860          7       /* Intel 80860 */
106
#define EM_MIPS         8       /* MIPS R3000 (officially, big-endian only) */
107
#define EM_S370         9       /* IBM System/370 */
108
#define EM_MIPS_RS3_LE 10       /* MIPS R3000 little-endian (Oct 4 1999 Draft)*/ /* Depreciated */
109
 
110
#define EM_PARISC      15       /* HPPA */
111
 
112
#define EM_VPP550      17       /* Fujitsu VPP500 */
113
#define EM_SPARC32PLUS 18       /* Sun's "v8plus" */
114
#define EM_960         19       /* Intel 80960 */
115
#define EM_PPC         20       /* PowerPC */
116
#define EM_PPC64       21       /* 64-bit PowerPC */
117
#define EM_S390        22       /* IBM S/390 */
118
 
119
#define EM_V800        36       /* NEC V800 series */
120
#define EM_FR20        37       /* Fujitsu FR20 */
121
#define EM_RH32        38       /* TRW RH32 */
122
#define EM_MCORE       39       /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
123
#define EM_RCE         39       /* Old name for MCore */
124
#define EM_ARM         40       /* ARM */
125
#define EM_OLD_ALPHA   41       /* Digital Alpha */
126
#define EM_SH          42       /* Hitachi SH */
127
#define EM_SPARCV9     43       /* SPARC v9 64-bit */
128
#define EM_TRICORE     44       /* Siemens Tricore embedded processor */
129
#define EM_ARC         45       /* ARC Cores */
130
#define EM_H8_300      46       /* Hitachi H8/300 */
131
#define EM_H8_300H     47       /* Hitachi H8/300H */
132
#define EM_H8S         48       /* Hitachi H8S */
133
#define EM_H8_500      49       /* Hitachi H8/500 */
134
#define EM_IA_64       50       /* Intel IA-64 Processor */
135
#define EM_MIPS_X      51       /* Stanford MIPS-X */
136
#define EM_COLDFIRE    52       /* Motorola Coldfire */
137
#define EM_68HC12      53       /* Motorola M68HC12 */
138
#define EM_MMA         54       /* Fujitsu Multimedia Accelerator */
139
#define EM_PCP         55       /* Siemens PCP */
140
#define EM_NCPU        56       /* Sony nCPU embedded RISC processor */
141
#define EM_NDR1        57       /* Denso NDR1 microprocesspr */
142
#define EM_STARCORE    58       /* Motorola Star*Core processor */
143
#define EM_ME16        59       /* Toyota ME16 processor */
144
#define EM_ST100       60       /* STMicroelectronics ST100 processor */
145
#define EM_TINYJ       61       /* Advanced Logic Corp. TinyJ embedded processor */
146
#define EM_X86_64      62       /* Advanced Micro Devices X86-64 processor */
147
 
148
#define EM_FX66        66       /* Siemens FX66 microcontroller */
149
#define EM_ST9PLUS     67       /* STMicroelectronics ST9+ 8/16 bit microcontroller */
150
#define EM_ST7         68       /* STMicroelectronics ST7 8-bit microcontroller */
151
#define EM_68HC16      69       /* Motorola MC68HC16 Microcontroller */
152
#define EM_68HC11      70       /* Motorola MC68HC11 Microcontroller */
153
#define EM_68HC08      71       /* Motorola MC68HC08 Microcontroller */
154
#define EM_68HC05      72       /* Motorola MC68HC05 Microcontroller */
155
#define EM_SVX         73       /* Silicon Graphics SVx */
156
#define EM_ST19        74       /* STMicroelectronics ST19 8-bit cpu */
157
#define EM_VAX         75       /* Digital VAX */
158
#define EM_CRIS        76       /* Axis Communications 32-bit embedded processor */
159
#define EM_JAVELIN     77       /* Infineon Technologies 32-bit embedded cpu */
160
#define EM_FIREPATH    78       /* Element 14 64-bit DSP processor */
161
#define EM_ZSP         79       /* LSI Logic's 16-bit DSP processor */
162
#define EM_MMIX        80       /* Donald Knuth's educational 64-bit processor */
163
#define EM_HUANY       81       /* Harvard's machine-independent format */
164
#define EM_PRISM       82       /* SiTera Prism */
165
 
166
/* If it is necessary to assign new unofficial EM_* values, please pick large
167
   random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
168
   with official or non-GNU unofficial values.
169
 
170
   NOTE: Do not just increment the most recent number by one.
171
   Somebody else somewhere will do exactly the same thing, and you
172
   will have a collision.  Instead, pick a random number.
173
 
174
   Normally, each entity or maintainer responsible for a machine with an
175
   unofficial e_machine number should eventually ask registry@sco.com for
176
   an officially blessed number to be added to the list above.  */
177
 
178
#define EM_PJ          99       /* picoJava */
179
 
180
/* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
181
#define EM_CYGNUS_POWERPC 0x9025
182
 
183
/* Old version of Sparc v9, from before the ABI; this should be
184
   removed shortly.  */
185
#define EM_OLD_SPARCV9  11
186
 
187
/* Old version of PowerPC, this should be removed shortly. */
188
#define EM_PPC_OLD      17
189
 
190
/* Cygnus ARC ELF backend.  Written in the absence of an ABI.  */
191
#define EM_CYGNUS_ARC 0x9040
192
 
193
/* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
194
#define EM_CYGNUS_M32R 0x9041
195
 
196
/* Alpha backend magic number.  Written in the absence of an ABI.  */
197
#define EM_ALPHA        0x9026
198
 
199
/* old S/390 backend magic number. Written in the absence of an ABI.  */
200
#define EM_S390_OLD     0xa390
201
 
202
/* D10V backend magic number.  Written in the absence of an ABI.  */
203
#define EM_CYGNUS_D10V  0x7650
204
 
205
/* D30V backend magic number.  Written in the absence of an ABI.  */
206
#define EM_CYGNUS_D30V  0x7676
207
 
208
/* V850 backend magic number.  Written in the absense of an ABI.  */
209
#define EM_CYGNUS_V850  0x9080
210
 
211
/* mn10200 and mn10300 backend magic numbers.
212
   Written in the absense of an ABI.  */
213
#define EM_CYGNUS_MN10200       0xdead
214
#define EM_CYGNUS_MN10300       0xbeef
215
 
216
/* FR30 magic number - no EABI available.  */
217
#define EM_CYGNUS_FR30          0x3330
218
 
219
/* AVR magic number
220
   Written in the absense of an ABI.  */
221
#define EM_AVR                  0x1057
222
 
223
/* OpenRISC magic number
224
   Written in the absense of an ABI.  */
225
#define EM_OPENRISC             0x3426
226
 
227
/* See the above comment before you add a new EM_* value here.  */
228
 
229
/* Values for e_version.  */
230
 
231
#define EV_NONE         0                /* Invalid ELF version */
232
#define EV_CURRENT      1               /* Current version */
233
 
234
/* Values for program header, p_type field.  */
235
 
236
#define PT_NULL         0                /* Program header table entry unused */
237
#define PT_LOAD         1               /* Loadable program segment */
238
#define PT_DYNAMIC      2               /* Dynamic linking information */
239
#define PT_INTERP       3               /* Program interpreter */
240
#define PT_NOTE         4               /* Auxiliary information */
241
#define PT_SHLIB        5               /* Reserved, unspecified semantics */
242
#define PT_PHDR         6               /* Entry for header table itself */
243
#define PT_LOOS         0x60000000      /* OS-specific */
244
#define PT_HIOS         0x6fffffff      /* OS-specific */
245
#define PT_LOPROC       0x70000000      /* Processor-specific */
246
#define PT_HIPROC       0x7FFFFFFF      /* Processor-specific */
247
 
248
/* Program segment permissions, in program header p_flags field.  */
249
 
250
#define PF_X            (1 << 0)        /* Segment is executable */
251
#define PF_W            (1 << 1)        /* Segment is writable */
252
#define PF_R            (1 << 2)        /* Segment is readable */
253
/* #define PF_MASKOS    0x0F000000    *//* OS-specific reserved bits */
254
#define PF_MASKOS       0x0FF00000      /* New value, Oct 4, 1999 Draft */
255
#define PF_MASKPROC     0xF0000000      /* Processor-specific reserved bits */
256
 
257
/* Values for section header, sh_type field.  */
258
 
259
#define SHT_NULL        0                /* Section header table entry unused */
260
#define SHT_PROGBITS    1               /* Program specific (private) data */
261
#define SHT_SYMTAB      2               /* Link editing symbol table */
262
#define SHT_STRTAB      3               /* A string table */
263
#define SHT_RELA        4               /* Relocation entries with addends */
264
#define SHT_HASH        5               /* A symbol hash table */
265
#define SHT_DYNAMIC     6               /* Information for dynamic linking */
266
#define SHT_NOTE        7               /* Information that marks file */
267
#define SHT_NOBITS      8               /* Section occupies no space in file */
268
#define SHT_REL         9               /* Relocation entries, no addends */
269
#define SHT_SHLIB       10              /* Reserved, unspecified semantics */
270
#define SHT_DYNSYM      11              /* Dynamic linking symbol table */
271
 
272
#define SHT_INIT_ARRAY    14            /* Array of ptrs to init functions */
273
#define SHT_FINI_ARRAY    15            /* Array of ptrs to finish functions */
274
#define SHT_PREINIT_ARRAY 16            /* Array of ptrs to pre-init funcs */
275
#define SHT_GROUP         17            /* Section contains a section group */
276
#define SHT_SYMTAB_SHNDX  18            /* Indicies for SHN_XINDEX entries */
277
 
278
#define SHT_LOOS        0x60000000      /* First of OS specific semantics */
279
#define SHT_HIOS        0x6fffffff      /* Last of OS specific semantics */
280
 
281
/* The next three section types are defined by Solaris, and are named
282
   SHT_SUNW*.  We use them in GNU code, so we also define SHT_GNU*
283
   versions.  */
284
#define SHT_SUNW_verdef 0x6ffffffd      /* Versions defined by file */
285
#define SHT_SUNW_verneed 0x6ffffffe     /* Versions needed by file */
286
#define SHT_SUNW_versym 0x6fffffff      /* Symbol versions */
287
 
288
#define SHT_GNU_verdef  SHT_SUNW_verdef
289
#define SHT_GNU_verneed SHT_SUNW_verneed
290
#define SHT_GNU_versym  SHT_SUNW_versym
291
 
292
#define SHT_LOPROC      0x70000000      /* Processor-specific semantics, lo */
293
#define SHT_HIPROC      0x7FFFFFFF      /* Processor-specific semantics, hi */
294
#define SHT_LOUSER      0x80000000      /* Application-specific semantics */
295
/* #define SHT_HIUSER   0x8FFFFFFF    *//* Application-specific semantics */
296
#define SHT_HIUSER      0xFFFFFFFF      /* New value, defined in Oct 4, 1999 Draft */
297
 
298
/* Values for section header, sh_flags field.  */
299
 
300
#define SHF_WRITE       (1 << 0)        /* Writable data during execution */
301
#define SHF_ALLOC       (1 << 1)        /* Occupies memory during execution */
302
#define SHF_EXECINSTR   (1 << 2)        /* Executable machine instructions */
303
#define SHF_MERGE       (1 << 4)        /* Data in this section can be merged */
304
#define SHF_STRINGS     (1 << 5)        /* Contains null terminated character strings */
305
#define SHF_INFO_LINK   (1 << 6)        /* sh_info holds section header table index */
306
#define SHF_LINK_ORDER  (1 << 7)        /* Preserve section ordering when linking */
307
#define SHF_OS_NONCONFORMING (1 << 8)   /* OS specific processing required */
308
#define SHF_GROUP       (1 << 9)        /* Member of a section group */
309
 
310
/* #define SHF_MASKOS   0x0F000000    *//* OS-specific semantics */
311
#define SHF_MASKOS      0x0FF00000      /* New value, Oct 4, 1999 Draft */
312
#define SHF_MASKPROC    0xF0000000      /* Processor-specific semantics */
313
 
314
/* Values of note segment descriptor types for core files.  */
315
 
316
#define NT_PRSTATUS     1               /* Contains copy of prstatus struct */
317
#define NT_FPREGSET     2               /* Contains copy of fpregset struct */
318
#define NT_PRPSINFO     3               /* Contains copy of prpsinfo struct */
319
#define NT_TASKSTRUCT   4               /* Contains copy of task struct */
320
#define NT_PRXFPREG     0x46e62b7f      /* Contains a user_xfpregs_struct; */
321
                                        /*   note name must be "LINUX".  */
322
 
323
/* Note segments for core files on dir-style procfs systems.  */
324
 
325
#define NT_PSTATUS      10              /* Has a struct pstatus */
326
#define NT_FPREGS       12              /* Has a struct fpregset */
327
#define NT_PSINFO       13              /* Has a struct psinfo */
328
#define NT_LWPSTATUS    16              /* Has a struct lwpstatus_t */
329
#define NT_LWPSINFO     17              /* Has a struct lwpsinfo_t */
330
#define NT_WIN32PSTATUS 18              /* Has a struct win32_pstatus */
331
 
332
/* Values of note segment descriptor types for object files.  */
333
/* (Only for hppa right now.  Should this be moved elsewhere?)  */
334
 
335
#define NT_VERSION      1               /* Contains a version string.  */
336
 
337
/* These three macros disassemble and assemble a symbol table st_info field,
338
   which contains the symbol binding and symbol type.  The STB_ and STT_
339
   defines identify the binding and type.  */
340
 
341
#define ELF_ST_BIND(val)                (((unsigned int)(val)) >> 4)
342
#define ELF_ST_TYPE(val)                ((val) & 0xF)
343
#define ELF_ST_INFO(bind,type)          (((bind) << 4) + ((type) & 0xF))
344
 
345
/* The 64bit and 32bit versions of these macros are identical, but
346
   the ELF spec defines them, so here they are.  */
347
#define ELF32_ST_BIND  ELF_ST_BIND
348
#define ELF32_ST_TYPE  ELF_ST_TYPE
349
#define ELF32_ST_INFO  ELF_ST_INFO
350
#define ELF64_ST_BIND  ELF_ST_BIND
351
#define ELF64_ST_TYPE  ELF_ST_TYPE
352
#define ELF64_ST_INFO  ELF_ST_INFO
353
 
354
/* This macro disassembles and assembles a symbol's visibility into
355
   the st_other field.  The STV_ defines specificy the actual visibility.  */
356
 
357
#define ELF_ST_VISIBILITY(v)            ((v) & 0x3)
358
/* The remaining bits in the st_other field are not currently used.
359
   They should be set to zero.  */
360
 
361
#define ELF32_ST_VISIBILITY  ELF_ST_VISIBILITY
362
#define ELF64_ST_VISIBILITY  ELF_ST_VISIBILITY
363
 
364
 
365
#define STN_UNDEF       0                /* Undefined symbol index */
366
 
367
#define STB_LOCAL       0                /* Symbol not visible outside obj */
368
#define STB_GLOBAL      1               /* Symbol visible outside obj */
369
#define STB_WEAK        2               /* Like globals, lower precedence */
370
#define STB_LOOS        10              /* OS-specific semantics */
371
#define STB_HIOS        12              /* OS-specific semantics */
372
#define STB_LOPROC      13              /* Application-specific semantics */
373
#define STB_HIPROC      15              /* Application-specific semantics */
374
 
375
#define STT_NOTYPE      0                /* Symbol type is unspecified */
376
#define STT_OBJECT      1               /* Symbol is a data object */
377
#define STT_FUNC        2               /* Symbol is a code object */
378
#define STT_SECTION     3               /* Symbol associated with a section */
379
#define STT_FILE        4               /* Symbol gives a file name */
380
#define STT_COMMON      5               /* An uninitialised common block */
381
#define STT_LOOS        10              /* OS-specific semantics */
382
#define STT_HIOS        12              /* OS-specific semantics */
383
#define STT_LOPROC      13              /* Application-specific semantics */
384
#define STT_HIPROC      15              /* Application-specific semantics */
385
 
386
/* Special section indices, which may show up in st_shndx fields, among
387
   other places.  */
388
 
389
#define SHN_UNDEF       0                /* Undefined section reference */
390
#define SHN_LORESERVE   0xFF00          /* Begin range of reserved indices */
391
#define SHN_LOPROC      0xFF00          /* Begin range of appl-specific */
392
#define SHN_HIPROC      0xFF1F          /* End range of appl-specific */
393
#define SHN_LOOS        0xFF20          /* OS specific semantics, lo */
394
#define SHN_HIOS        0xFF3F          /* OS specific semantics, hi */
395
#define SHN_ABS         0xFFF1          /* Associated symbol is absolute */
396
#define SHN_COMMON      0xFFF2          /* Associated symbol is in common */
397
#define SHN_XINDEX      0xFFFF          /* Section index it held elsewhere */
398
#define SHN_HIRESERVE   0xFFFF          /* End range of reserved indices */
399
 
400
/* The following constants control how a symbol may be accessed once it has
401
   become part of an executable or shared library.  */
402
 
403
#define STV_DEFAULT     0                /* Visibility is specified by binding type */
404
#define STV_INTERNAL    1               /* OS specific version of STV_HIDDEN */
405
#define STV_HIDDEN      2               /* Can only be seen inside currect component */
406
#define STV_PROTECTED   3               /* Treat as STB_LOCAL inside current component */
407
 
408
/* Relocation info handling macros.  */
409
 
410
#define ELF32_R_SYM(i)          ((i) >> 8)
411
#define ELF32_R_TYPE(i)         ((i) & 0xff)
412
#define ELF32_R_INFO(s,t)       (((s) << 8) + ((t) & 0xff))
413
 
414
#define ELF64_R_SYM(i)          ((i) >> 32)
415
#define ELF64_R_TYPE(i)         ((i) & 0xffffffff)
416
#define ELF64_R_INFO(s,t)       (((bfd_vma) (s) << 32) + (bfd_vma) (t))
417
 
418
/* Dynamic section tags.  */
419
 
420
#define DT_NULL         0
421
#define DT_NEEDED       1
422
#define DT_PLTRELSZ     2
423
#define DT_PLTGOT       3
424
#define DT_HASH         4
425
#define DT_STRTAB       5
426
#define DT_SYMTAB       6
427
#define DT_RELA         7
428
#define DT_RELASZ       8
429
#define DT_RELAENT      9
430
#define DT_STRSZ        10
431
#define DT_SYMENT       11
432
#define DT_INIT         12
433
#define DT_FINI         13
434
#define DT_SONAME       14
435
#define DT_RPATH        15
436
#define DT_SYMBOLIC     16
437
#define DT_REL          17
438
#define DT_RELSZ        18
439
#define DT_RELENT       19
440
#define DT_PLTREL       20
441
#define DT_DEBUG        21
442
#define DT_TEXTREL      22
443
#define DT_JMPREL       23
444
#define DT_BIND_NOW     24
445
#define DT_INIT_ARRAY   25
446
#define DT_FINI_ARRAY   26
447
#define DT_INIT_ARRAYSZ 27
448
#define DT_FINI_ARRAYSZ 28
449
#define DT_RUNPATH      29
450
#define DT_FLAGS        30
451
 
452
#define DT_ENCODING     32
453
#define DT_PREINIT_ARRAY   32
454
#define DT_PREINIT_ARRAYSZ 33
455
 
456
/* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
457
   for DT_LOOS and DT_HIOS.  Some implementations however, use
458
   values outside of the new range (see below).  */
459
#define OLD_DT_LOOS     0x60000000
460
#define DT_LOOS         0x6000000d
461
#define DT_HIOS         0x6fff0000
462
#define OLD_DT_HIOS     0x6fffffff
463
 
464
#define DT_LOPROC       0x70000000
465
#define DT_HIPROC       0x7fffffff
466
 
467
/* The next four dynamic tags are used on Solaris.  We support them
468
   everywhere.  Note these values lie outside of the (new) range for
469
   OS specific values.  This is a deliberate special case and we
470
   maintain it for backwards compatability.  */
471
#define DT_VALRNGLO     0x6ffffd00
472
#define DT_CHECKSUM     0x6ffffdf8
473
#define DT_PLTPADSZ     0x6ffffdf9
474
#define DT_MOVEENT      0x6ffffdfa
475
#define DT_MOVESZ       0x6ffffdfb
476
#define DT_FEATURE      0x6ffffdfc
477
#define DT_POSFLAG_1    0x6ffffdfd
478
#define DT_SYMINSZ      0x6ffffdfe
479
#define DT_SYMINENT     0x6ffffdff
480
#define DT_VALRNGHI     0x6ffffdff
481
 
482
#define DT_ADDRRNGLO    0x6ffffe00
483
#define DT_CONFIG       0x6ffffefa
484
#define DT_DEPAUDIT     0x6ffffefb
485
#define DT_AUDIT        0x6ffffefc
486
#define DT_PLTPAD       0x6ffffefd
487
#define DT_MOVETAB      0x6ffffefe
488
#define DT_SYMINFO      0x6ffffeff
489
#define DT_ADDRRNGHI    0x6ffffeff
490
 
491
#define DT_RELACOUNT    0x6ffffff9
492
#define DT_RELCOUNT     0x6ffffffa
493
#define DT_FLAGS_1      0x6ffffffb
494
#define DT_VERDEF       0x6ffffffc
495
#define DT_VERDEFNUM    0x6ffffffd
496
#define DT_VERNEED      0x6ffffffe
497
#define DT_VERNEEDNUM   0x6fffffff
498
 
499
/* This tag is a GNU extension to the Solaris version scheme.  */
500
#define DT_VERSYM       0x6ffffff0
501
 
502
#define DT_LOPROC       0x70000000
503
#define DT_HIPROC       0x7fffffff
504
 
505
/* These section tags are used on Solaris.  We support them
506
   everywhere, and hope they do not conflict.  */
507
 
508
#define DT_AUXILIARY    0x7ffffffd
509
#define DT_USED         0x7ffffffe
510
#define DT_FILTER       0x7fffffff
511
 
512
 
513
/* Values used in DT_FEATURE .dynamic entry.  */
514
#define DTF_1_PARINIT   0x00000001
515
/* From
516
 
517
   http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
518
 
519
   DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
520
   defined here is the same as the one in <sys/link.h> on Solaris 8.  */
521
#define DTF_1_CONFEXP   0x00000002
522
 
523
/* Flag values used in the DT_POSFLAG_1 .dynamic entry.  */
524
#define DF_P1_LAZYLOAD  0x00000001
525
#define DF_P1_GROUPPERM 0x00000002
526
 
527
/* Flag value in in the DT_FLAGS_1 .dynamic entry.  */
528
#define DF_1_NOW        0x00000001
529
#define DF_1_GLOBAL     0x00000002
530
#define DF_1_GROUP      0x00000004
531
#define DF_1_NODELETE   0x00000008
532
#define DF_1_LOADFLTR   0x00000010
533
#define DF_1_INITFIRST  0x00000020
534
#define DF_1_NOOPEN     0x00000040
535
#define DF_1_ORIGIN     0x00000080
536
#define DF_1_DIRECT     0x00000100
537
#define DF_1_TRANS      0x00000200
538
#define DF_1_INTERPOSE  0x00000400
539
#define DF_1_NODEFLIB   0x00000800
540
#define DF_1_NODUMP     0x00001000
541
#define DF_1_CONLFAT    0x00002000
542
 
543
/* Flag values for the DT_FLAGS entry.  */
544
#define DF_ORIGIN       (1 << 0)
545
#define DF_SYMBOLIC     (1 << 1)
546
#define DF_TEXTREL      (1 << 2)
547
#define DF_BIND_NOW     (1 << 3)
548
 
549
/* These constants are used for the version number of a Elf32_Verdef
550
   structure.  */
551
 
552
#define VER_DEF_NONE            0
553
#define VER_DEF_CURRENT         1
554
 
555
/* These constants appear in the vd_flags field of a Elf32_Verdef
556
   structure.  */
557
 
558
#define VER_FLG_BASE            0x1
559
#define VER_FLG_WEAK            0x2
560
 
561
/* These special constants can be found in an Elf32_Versym field.  */
562
 
563
#define VER_NDX_LOCAL           0
564
#define VER_NDX_GLOBAL          1
565
 
566
/* These constants are used for the version number of a Elf32_Verneed
567
   structure.  */
568
 
569
#define VER_NEED_NONE           0
570
#define VER_NEED_CURRENT        1
571
 
572
/* This flag appears in a Versym structure.  It means that the symbol
573
   is hidden, and is only visible with an explicit version number.
574
   This is a GNU extension.  */
575
 
576
#define VERSYM_HIDDEN           0x8000
577
 
578
/* This is the mask for the rest of the Versym information.  */
579
 
580
#define VERSYM_VERSION          0x7fff
581
 
582
/* This is a special token which appears as part of a symbol name.  It
583
   indictes that the rest of the name is actually the name of a
584
   version node, and is not part of the actual name.  This is a GNU
585
   extension.  For example, the symbol name `stat@ver2' is taken to
586
   mean the symbol `stat' in version `ver2'.  */
587
 
588
#define ELF_VER_CHR     '@'
589
 
590
/* Possible values for si_boundto.  */
591
 
592
#define SYMINFO_BT_SELF         0xffff  /* Symbol bound to self */
593
#define SYMINFO_BT_PARENT       0xfffe  /* Symbol bound to parent */
594
#define SYMINFO_BT_LOWRESERVE   0xff00  /* Beginning of reserved entries */
595
 
596
/* Possible bitmasks for si_flags.  */
597
 
598
#define SYMINFO_FLG_DIRECT      0x0001  /* Direct bound symbol */
599
#define SYMINFO_FLG_PASSTHRU    0x0002  /* Pass-thru symbol for translator */
600
#define SYMINFO_FLG_COPY        0x0004  /* Symbol is a copy-reloc */
601
#define SYMINFO_FLG_LAZYLOAD    0x0008  /* Symbol bound to object to be lazy loaded */
602
 
603
/* Syminfo version values.  */
604
 
605
#define SYMINFO_NONE            0
606
#define SYMINFO_CURRENT         1
607
#define SYMINFO_NUM             2
608
 
609
/* Section Group Flags.  */
610
 
611
#define GRP_COMDAT              0x1     /* A COMDAT group */
612
 
613
#endif /* _ELF_COMMON_H */

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