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252b5132 1/* ELF support for BFD.
4f1d9bd8 2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
b4db1224 3 2001, 2002
2aa9e1d7 4 Free Software Foundation, Inc.
252b5132
RH
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
10This file is part of BFD, the Binary File Descriptor library.
11
12This program is free software; you can redistribute it and/or modify
13it under the terms of the GNU General Public License as published by
14the Free Software Foundation; either version 2 of the License, or
15(at your option) any later version.
16
17This program is distributed in the hope that it will be useful,
18but WITHOUT ANY WARRANTY; without even the implied warranty of
19MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20GNU General Public License for more details.
21
22You should have received a copy of the GNU General Public License
23along with this program; if not, write to the Free Software
24Foundation, 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 */
2203434a 62#define ELFOSABI_NONE 0 /* UNIX System V ABI */
252b5132 63#define ELFOSABI_HPUX 1 /* HP-UX operating system */
16c088d0 64#define ELFOSABI_NETBSD 2 /* NetBSD */
2aa9e1d7 65#define ELFOSABI_LINUX 3 /* GNU/Linux */
16c088d0
L
66#define ELFOSABI_HURD 4 /* GNU/Hurd */
67#define ELFOSABI_SOLARIS 6 /* Solaris */
1da80a82 68#define ELFOSABI_AIX 7 /* AIX */
16c088d0
L
69#define ELFOSABI_IRIX 8 /* IRIX */
70#define ELFOSABI_FREEBSD 9 /* FreeBSD */
0044240b 71#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
2203434a
L
72#define ELFOSABI_MODESTO 11 /* Novell Modesto */
73#define ELFOSABI_OPENBSD 12 /* OpenBSD */
252b5132 74#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
3ba3ce66 75#define ELFOSABI_ARM 97 /* ARM */
252b5132
RH
76
77#define EI_ABIVERSION 8 /* ABI version */
78
79#define EI_PAD 9 /* Start of padding bytes */
80
81
3ba3ce66 82/* Values for e_type, which identifies the object file type. */
252b5132
RH
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
723b0f0d
HPN
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. */
252b5132
RH
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 */
3ba3ce66 104#define EM_486 6 /* Intel 80486 *//* Reserved for future use */
252b5132
RH
105#define EM_860 7 /* Intel 80860 */
106#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
07521389 107#define EM_S370 9 /* IBM System/370 */
0fc731e4 108#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft)*/ /* Depreciated */
252b5132
RH
109
110#define EM_PARISC 15 /* HPPA */
0fc731e4 111
252b5132
RH
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 */
348a3483 116#define EM_PPC64 21 /* 64-bit PowerPC */
a85d7ed0 117#define EM_S390 22 /* IBM S/390 */
252b5132
RH
118
119#define EM_V800 36 /* NEC V800 series */
120#define EM_FR20 37 /* Fujitsu FR20 */
121#define EM_RH32 38 /* TRW RH32 */
3442f309 122#define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
0fc731e4 123#define EM_RCE 39 /* Old name for MCore */
252b5132
RH
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 */
0d2bcfaf 129#define EM_ARC 45 /* ARC Cores */
252b5132
RH
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 */
07521389 134#define EM_IA_64 50 /* Intel IA-64 Processor */
252b5132
RH
135#define EM_MIPS_X 51 /* Stanford MIPS-X */
136#define EM_COLDFIRE 52 /* Motorola Coldfire */
137#define EM_68HC12 53 /* Motorola M68HC12 */
0fc731e4
NC
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 */
abf1d184 146#define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */
0fc731e4
NC
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 */
3ba3ce66 156#define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */
0fc731e4 157#define EM_VAX 75 /* Digital VAX */
723b0f0d 158#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
3ba3ce66
NC
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 */
723b0f0d 162#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
3ba3ce66
NC
163#define EM_HUANY 81 /* Harvard's machine-independent format */
164#define EM_PRISM 82 /* SiTera Prism */
c265b1cc
AO
165#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
166#define EM_FR30 84 /* Fujitsu FR30 */
167#define EM_D10V 85 /* Mitsubishi D10V */
168#define EM_D30V 86 /* Mitsubishi D30V */
169#define EM_V850 87 /* NEC v850 */
170#define EM_M32R 88 /* Mitsubishi M32R */
171#define EM_MN10300 89 /* Matsushita MN10300 */
172#define EM_MN10200 90 /* Matsushita MN10200 */
173#define EM_PJ 91 /* picoJava */
174#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
175#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
176#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
252b5132
RH
177
178/* If it is necessary to assign new unofficial EM_* values, please pick large
179 random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
180 with official or non-GNU unofficial values.
181
182 NOTE: Do not just increment the most recent number by one.
183 Somebody else somewhere will do exactly the same thing, and you
723b0f0d
HPN
184 will have a collision. Instead, pick a random number.
185
186 Normally, each entity or maintainer responsible for a machine with an
187 unofficial e_machine number should eventually ask registry@sco.com for
188 an officially blessed number to be added to the list above. */
189
c265b1cc 190#define EM_PJ_OLD 99 /* picoJava */
252b5132
RH
191
192/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
193#define EM_CYGNUS_POWERPC 0x9025
194
195/* Old version of Sparc v9, from before the ABI; this should be
196 removed shortly. */
197#define EM_OLD_SPARCV9 11
198
199/* Old version of PowerPC, this should be removed shortly. */
200#define EM_PPC_OLD 17
201
252b5132
RH
202/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
203#define EM_CYGNUS_M32R 0x9041
204
205/* Alpha backend magic number. Written in the absence of an ABI. */
206#define EM_ALPHA 0x9026
207
a85d7ed0
NC
208/* old S/390 backend magic number. Written in the absence of an ABI. */
209#define EM_S390_OLD 0xa390
210
252b5132
RH
211/* D10V backend magic number. Written in the absence of an ABI. */
212#define EM_CYGNUS_D10V 0x7650
213
214/* D30V backend magic number. Written in the absence of an ABI. */
215#define EM_CYGNUS_D30V 0x7676
216
217/* V850 backend magic number. Written in the absense of an ABI. */
218#define EM_CYGNUS_V850 0x9080
219
220/* mn10200 and mn10300 backend magic numbers.
221 Written in the absense of an ABI. */
222#define EM_CYGNUS_MN10200 0xdead
223#define EM_CYGNUS_MN10300 0xbeef
224
225/* FR30 magic number - no EABI available. */
226#define EM_CYGNUS_FR30 0x3330
227
adde6300
AM
228/* AVR magic number
229 Written in the absense of an ABI. */
c265b1cc 230#define EM_AVR_OLD 0x1057
adde6300 231
b3baf5d0
NC
232/* OpenRISC magic number
233 Written in the absense of an ABI. */
fc247ace 234#define EM_OPENRISC_OLD 0x3426
b3baf5d0 235
93fbbb04
GK
236#define EM_XSTORMY16 0xad45
237
252b5132
RH
238/* See the above comment before you add a new EM_* value here. */
239
3ba3ce66 240/* Values for e_version. */
252b5132
RH
241
242#define EV_NONE 0 /* Invalid ELF version */
243#define EV_CURRENT 1 /* Current version */
244
3ba3ce66 245/* Values for program header, p_type field. */
252b5132
RH
246
247#define PT_NULL 0 /* Program header table entry unused */
248#define PT_LOAD 1 /* Loadable program segment */
249#define PT_DYNAMIC 2 /* Dynamic linking information */
250#define PT_INTERP 3 /* Program interpreter */
251#define PT_NOTE 4 /* Auxiliary information */
252#define PT_SHLIB 5 /* Reserved, unspecified semantics */
253#define PT_PHDR 6 /* Entry for header table itself */
254#define PT_LOOS 0x60000000 /* OS-specific */
255#define PT_HIOS 0x6fffffff /* OS-specific */
256#define PT_LOPROC 0x70000000 /* Processor-specific */
257#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
258
65765700
JJ
259#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
260
3ba3ce66 261/* Program segment permissions, in program header p_flags field. */
252b5132
RH
262
263#define PF_X (1 << 0) /* Segment is executable */
264#define PF_W (1 << 1) /* Segment is writable */
265#define PF_R (1 << 2) /* Segment is readable */
0fc731e4
NC
266/* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */
267#define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
252b5132
RH
268#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
269
3ba3ce66 270/* Values for section header, sh_type field. */
252b5132
RH
271
272#define SHT_NULL 0 /* Section header table entry unused */
273#define SHT_PROGBITS 1 /* Program specific (private) data */
274#define SHT_SYMTAB 2 /* Link editing symbol table */
275#define SHT_STRTAB 3 /* A string table */
276#define SHT_RELA 4 /* Relocation entries with addends */
277#define SHT_HASH 5 /* A symbol hash table */
278#define SHT_DYNAMIC 6 /* Information for dynamic linking */
279#define SHT_NOTE 7 /* Information that marks file */
280#define SHT_NOBITS 8 /* Section occupies no space in file */
281#define SHT_REL 9 /* Relocation entries, no addends */
282#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
283#define SHT_DYNSYM 11 /* Dynamic linking symbol table */
284
3ba3ce66
NC
285#define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */
286#define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */
287#define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */
288#define SHT_GROUP 17 /* Section contains a section group */
289#define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */
0fc731e4 290
3ba3ce66
NC
291#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
292#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
252b5132
RH
293
294/* The next three section types are defined by Solaris, and are named
295 SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
296 versions. */
297#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
298#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
299#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
300
301#define SHT_GNU_verdef SHT_SUNW_verdef
302#define SHT_GNU_verneed SHT_SUNW_verneed
303#define SHT_GNU_versym SHT_SUNW_versym
304
305#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
306#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
307#define SHT_LOUSER 0x80000000 /* Application-specific semantics */
0fc731e4
NC
308/* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */
309#define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */
252b5132 310
3ba3ce66 311/* Values for section header, sh_flags field. */
252b5132
RH
312
313#define SHF_WRITE (1 << 0) /* Writable data during execution */
314#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
315#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
0fc731e4
NC
316#define SHF_MERGE (1 << 4) /* Data in this section can be merged */
317#define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */
318#define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */
319#define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */
3ba3ce66
NC
320#define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */
321#define SHF_GROUP (1 << 9) /* Member of a section group */
0fc731e4
NC
322
323/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
324#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
252b5132
RH
325#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
326
3ba3ce66 327/* Values of note segment descriptor types for core files. */
252b5132
RH
328
329#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
330#define NT_FPREGSET 2 /* Contains copy of fpregset struct */
331#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
7e3c779a 332#define NT_TASKSTRUCT 4 /* Contains copy of task struct */
0fc731e4
NC
333#define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */
334 /* note name must be "LINUX". */
252b5132 335
3ba3ce66 336/* Note segments for core files on dir-style procfs systems. */
252b5132
RH
337
338#define NT_PSTATUS 10 /* Has a struct pstatus */
339#define NT_FPREGS 12 /* Has a struct fpregset */
340#define NT_PSINFO 13 /* Has a struct psinfo */
341#define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */
342#define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */
879b0f76 343#define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */
252b5132 344
b4db1224
JT
345
346/* Note segments for core files on NetBSD systems. Note name
347 must start with "NetBSD-CORE". */
348
349#define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */
350#define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */
351
352
252b5132 353/* Values of note segment descriptor types for object files. */
252b5132
RH
354
355#define NT_VERSION 1 /* Contains a version string. */
0d3afcfc 356#define NT_ARCH 2 /* Contains an architecture string. */
252b5132
RH
357
358/* These three macros disassemble and assemble a symbol table st_info field,
359 which contains the symbol binding and symbol type. The STB_ and STT_
3ba3ce66 360 defines identify the binding and type. */
252b5132
RH
361
362#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
363#define ELF_ST_TYPE(val) ((val) & 0xF)
364#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
365
0fc731e4
NC
366/* The 64bit and 32bit versions of these macros are identical, but
367 the ELF spec defines them, so here they are. */
368#define ELF32_ST_BIND ELF_ST_BIND
369#define ELF32_ST_TYPE ELF_ST_TYPE
370#define ELF32_ST_INFO ELF_ST_INFO
371#define ELF64_ST_BIND ELF_ST_BIND
372#define ELF64_ST_TYPE ELF_ST_TYPE
373#define ELF64_ST_INFO ELF_ST_INFO
374
72509dcd 375/* This macro disassembles and assembles a symbol's visibility into
0fc731e4
NC
376 the st_other field. The STV_ defines specificy the actual visibility. */
377
378#define ELF_ST_VISIBILITY(v) ((v) & 0x3)
ca47b30c
NC
379/* The remaining bits in the st_other field are not currently used.
380 They should be set to zero. */
0fc731e4
NC
381
382#define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY
0fc731e4 383#define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY
0fc731e4
NC
384
385
3ba3ce66 386#define STN_UNDEF 0 /* Undefined symbol index */
252b5132
RH
387
388#define STB_LOCAL 0 /* Symbol not visible outside obj */
389#define STB_GLOBAL 1 /* Symbol visible outside obj */
390#define STB_WEAK 2 /* Like globals, lower precedence */
391#define STB_LOOS 10 /* OS-specific semantics */
392#define STB_HIOS 12 /* OS-specific semantics */
393#define STB_LOPROC 13 /* Application-specific semantics */
394#define STB_HIPROC 15 /* Application-specific semantics */
395
396#define STT_NOTYPE 0 /* Symbol type is unspecified */
397#define STT_OBJECT 1 /* Symbol is a data object */
398#define STT_FUNC 2 /* Symbol is a code object */
399#define STT_SECTION 3 /* Symbol associated with a section */
400#define STT_FILE 4 /* Symbol gives a file name */
0fc731e4 401#define STT_COMMON 5 /* An uninitialised common block */
252b5132
RH
402#define STT_LOOS 10 /* OS-specific semantics */
403#define STT_HIOS 12 /* OS-specific semantics */
404#define STT_LOPROC 13 /* Application-specific semantics */
405#define STT_HIPROC 15 /* Application-specific semantics */
406
407/* Special section indices, which may show up in st_shndx fields, among
3ba3ce66 408 other places. */
252b5132
RH
409
410#define SHN_UNDEF 0 /* Undefined section reference */
411#define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */
412#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */
413#define SHN_HIPROC 0xFF1F /* End range of appl-specific */
414#define SHN_LOOS 0xFF20 /* OS specific semantics, lo */
415#define SHN_HIOS 0xFF3F /* OS specific semantics, hi */
3ba3ce66
NC
416#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */
417#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
2d4d1975 418#define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */
3ba3ce66 419#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
9ad5cbcf 420#define SHN_BAD ((unsigned) -1) /* Used internally by bfd */
252b5132 421
0fc731e4
NC
422/* The following constants control how a symbol may be accessed once it has
423 become part of an executable or shared library. */
424
425#define STV_DEFAULT 0 /* Visibility is specified by binding type */
426#define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */
427#define STV_HIDDEN 2 /* Can only be seen inside currect component */
428#define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */
0fc731e4 429
3ba3ce66 430/* Relocation info handling macros. */
252b5132
RH
431
432#define ELF32_R_SYM(i) ((i) >> 8)
433#define ELF32_R_TYPE(i) ((i) & 0xff)
434#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
435
436#define ELF64_R_SYM(i) ((i) >> 32)
437#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
438#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t))
439
3ba3ce66 440/* Dynamic section tags. */
252b5132
RH
441
442#define DT_NULL 0
443#define DT_NEEDED 1
444#define DT_PLTRELSZ 2
445#define DT_PLTGOT 3
446#define DT_HASH 4
447#define DT_STRTAB 5
448#define DT_SYMTAB 6
449#define DT_RELA 7
450#define DT_RELASZ 8
451#define DT_RELAENT 9
452#define DT_STRSZ 10
453#define DT_SYMENT 11
454#define DT_INIT 12
455#define DT_FINI 13
456#define DT_SONAME 14
457#define DT_RPATH 15
458#define DT_SYMBOLIC 16
459#define DT_REL 17
460#define DT_RELSZ 18
461#define DT_RELENT 19
462#define DT_PLTREL 20
463#define DT_DEBUG 21
464#define DT_TEXTREL 22
465#define DT_JMPREL 23
466#define DT_BIND_NOW 24
467#define DT_INIT_ARRAY 25
468#define DT_FINI_ARRAY 26
469#define DT_INIT_ARRAYSZ 27
470#define DT_FINI_ARRAYSZ 28
0fc731e4
NC
471#define DT_RUNPATH 29
472#define DT_FLAGS 30
2d0e6f43
NC
473
474#define DT_ENCODING 32
475#define DT_PREINIT_ARRAY 32
0fc731e4 476#define DT_PREINIT_ARRAYSZ 33
252b5132 477
2d0e6f43
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478/* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
479 for DT_LOOS and DT_HIOS. Some implementations however, use
480 values outside of the new range (see below). */
481#define OLD_DT_LOOS 0x60000000
482#define DT_LOOS 0x6000000d
483#define DT_HIOS 0x6fff0000
484#define OLD_DT_HIOS 0x6fffffff
485
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486#define DT_LOPROC 0x70000000
487#define DT_HIPROC 0x7fffffff
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488
489/* The next four dynamic tags are used on Solaris. We support them
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490 everywhere. Note these values lie outside of the (new) range for
491 OS specific values. This is a deliberate special case and we
492 maintain it for backwards compatability. */
252b5132 493#define DT_VALRNGLO 0x6ffffd00
df70244c 494#define DT_CHECKSUM 0x6ffffdf8
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495#define DT_PLTPADSZ 0x6ffffdf9
496#define DT_MOVEENT 0x6ffffdfa
497#define DT_MOVESZ 0x6ffffdfb
5b102b37 498#define DT_FEATURE 0x6ffffdfc
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499#define DT_POSFLAG_1 0x6ffffdfd
500#define DT_SYMINSZ 0x6ffffdfe
501#define DT_SYMINENT 0x6ffffdff
502#define DT_VALRNGHI 0x6ffffdff
503
504#define DT_ADDRRNGLO 0x6ffffe00
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505#define DT_CONFIG 0x6ffffefa
506#define DT_DEPAUDIT 0x6ffffefb
507#define DT_AUDIT 0x6ffffefc
508#define DT_PLTPAD 0x6ffffefd
509#define DT_MOVETAB 0x6ffffefe
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510#define DT_SYMINFO 0x6ffffeff
511#define DT_ADDRRNGHI 0x6ffffeff
512
513#define DT_RELACOUNT 0x6ffffff9
514#define DT_RELCOUNT 0x6ffffffa
515#define DT_FLAGS_1 0x6ffffffb
516#define DT_VERDEF 0x6ffffffc
517#define DT_VERDEFNUM 0x6ffffffd
518#define DT_VERNEED 0x6ffffffe
519#define DT_VERNEEDNUM 0x6fffffff
520
521/* This tag is a GNU extension to the Solaris version scheme. */
522#define DT_VERSYM 0x6ffffff0
523
524#define DT_LOPROC 0x70000000
525#define DT_HIPROC 0x7fffffff
526
527/* These section tags are used on Solaris. We support them
528 everywhere, and hope they do not conflict. */
529
530#define DT_AUXILIARY 0x7ffffffd
531#define DT_USED 0x7ffffffe
532#define DT_FILTER 0x7fffffff
533
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534
535/* Values used in DT_FEATURE .dynamic entry. */
252b5132 536#define DTF_1_PARINIT 0x00000001
df70244c 537/* From
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538
539 http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
540
df70244c 541 DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
3ba3ce66 542 defined here is the same as the one in <sys/link.h> on Solaris 8. */
5b102b37 543#define DTF_1_CONFEXP 0x00000002
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544
545/* Flag values used in the DT_POSFLAG_1 .dynamic entry. */
546#define DF_P1_LAZYLOAD 0x00000001
547#define DF_P1_GROUPPERM 0x00000002
548
b2c5d9a3 549/* Flag value in in the DT_FLAGS_1 .dynamic entry. */
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550#define DF_1_NOW 0x00000001
551#define DF_1_GLOBAL 0x00000002
552#define DF_1_GROUP 0x00000004
553#define DF_1_NODELETE 0x00000008
554#define DF_1_LOADFLTR 0x00000010
555#define DF_1_INITFIRST 0x00000020
556#define DF_1_NOOPEN 0x00000040
557#define DF_1_ORIGIN 0x00000080
558#define DF_1_DIRECT 0x00000100
559#define DF_1_TRANS 0x00000200
560#define DF_1_INTERPOSE 0x00000400
58ed230f 561#define DF_1_NODEFLIB 0x00000800
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562#define DF_1_NODUMP 0x00001000
563#define DF_1_CONLFAT 0x00002000
252b5132 564
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565/* Flag values for the DT_FLAGS entry. */
566#define DF_ORIGIN (1 << 0)
567#define DF_SYMBOLIC (1 << 1)
568#define DF_TEXTREL (1 << 2)
569#define DF_BIND_NOW (1 << 3)
570
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571/* These constants are used for the version number of a Elf32_Verdef
572 structure. */
573
574#define VER_DEF_NONE 0
575#define VER_DEF_CURRENT 1
576
577/* These constants appear in the vd_flags field of a Elf32_Verdef
578 structure. */
579
580#define VER_FLG_BASE 0x1
581#define VER_FLG_WEAK 0x2
582
583/* These special constants can be found in an Elf32_Versym field. */
584
585#define VER_NDX_LOCAL 0
586#define VER_NDX_GLOBAL 1
587
588/* These constants are used for the version number of a Elf32_Verneed
589 structure. */
590
591#define VER_NEED_NONE 0
592#define VER_NEED_CURRENT 1
593
594/* This flag appears in a Versym structure. It means that the symbol
595 is hidden, and is only visible with an explicit version number.
596 This is a GNU extension. */
597
598#define VERSYM_HIDDEN 0x8000
599
600/* This is the mask for the rest of the Versym information. */
601
602#define VERSYM_VERSION 0x7fff
603
604/* This is a special token which appears as part of a symbol name. It
605 indictes that the rest of the name is actually the name of a
606 version node, and is not part of the actual name. This is a GNU
607 extension. For example, the symbol name `stat@ver2' is taken to
608 mean the symbol `stat' in version `ver2'. */
609
610#define ELF_VER_CHR '@'
611
612/* Possible values for si_boundto. */
3ba3ce66 613
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614#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
615#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
616#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
617
618/* Possible bitmasks for si_flags. */
3ba3ce66 619
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620#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
621#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
622#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
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623#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */
624
252b5132 625/* Syminfo version values. */
3ba3ce66 626
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627#define SYMINFO_NONE 0
628#define SYMINFO_CURRENT 1
629#define SYMINFO_NUM 2
630
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631/* Section Group Flags. */
632
633#define GRP_COMDAT 0x1 /* A COMDAT group */
634
252b5132 635#endif /* _ELF_COMMON_H */