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1 227 jeremybenn
/* IA-64 ELF support for BFD.
2
   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2008, 2009
3
   Free Software Foundation, Inc.
4
   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
5
 
6
   This file is part of BFD, the Binary File Descriptor library.
7
 
8
   This program is free software; you can redistribute it and/or modify
9
   it under the terms of the GNU General Public License as published by
10
   the Free Software Foundation; either version 2 of the License, or
11
   (at your option) any later version.
12
 
13
   This program is distributed in the hope that it will be useful,
14
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
   GNU General Public License for more details.
17
 
18
   You should have received a copy of the GNU General Public License
19
   along with this program; if not, write to the Free Software
20
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
21
 
22
#ifndef _ELF_IA64_H
23
#define _ELF_IA64_H
24
 
25
/* Bits in the e_flags field of the Elf64_Ehdr:  */
26
 
27
#define EF_IA_64_MASKOS    0x0000000f   /* OS-specific flags.  */
28
#define EF_IA_64_ARCH      0xff000000   /* Arch. version mask.  */
29
#define EF_IA_64_ARCHVER_1 (1 << 24)    /* Arch. version level 1 compat.  */
30
 
31
/* ??? These four definitions are not part of the SVR4 ABI.
32
   They were present in David's initial code drop, so it is probable
33
   that they are used by HP/UX.  */
34
#define EF_IA_64_TRAPNIL (1 << 0)       /* Trap NIL pointer dereferences.  */
35
#define EF_IA_64_EXT     (1 << 2)       /* Program uses arch. extensions.  */
36
#define EF_IA_64_BE      (1 << 3)       /* PSR BE bit set (big-endian).  */
37
#define EFA_IA_64_EAS2_3 0x23000000     /* IA64 EAS 2.3.  */
38
 
39
#define EF_IA_64_ABI64              (1 << 4) /* 64-bit ABI.  */
40
/* Not used yet.  */
41
#define EF_IA_64_REDUCEDFP          (1 << 5) /* Only FP6-FP11 used.  */
42
#define EF_IA_64_CONS_GP            (1 << 6) /* gp as program wide constant.  */
43
#define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors.  */
44
/* Not used yet.  */
45
#define EF_IA_64_ABSOLUTE           (1 << 8) /* Load at absolute addresses.  */
46
 
47
#define ELF_STRING_ia64_archext         ".IA_64.archext"
48
#define ELF_STRING_ia64_pltoff          ".IA_64.pltoff"
49
#define ELF_STRING_ia64_unwind          ".IA_64.unwind"
50
#define ELF_STRING_ia64_unwind_info     ".IA_64.unwind_info"
51
#define ELF_STRING_ia64_unwind_once     ".gnu.linkonce.ia64unw."
52
#define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi."
53
/* .IA_64.unwind_hdr is only used by HP-UX.  */
54
#define ELF_STRING_ia64_unwind_hdr      ".IA_64.unwind_hdr"
55
 
56
/* Bits in the sh_flags field of Elf64_Shdr:  */
57
 
58
#define SHF_IA_64_SHORT           0x10000000    /* Section near gp.  */
59
#define SHF_IA_64_NORECOV         0x20000000    /* Spec insns w/o recovery.  */
60
 
61
#define SHF_IA_64_HP_TLS          0x01000000    /* HP specific TLS flag.  */
62
 
63
#define SHF_IA_64_VMS_GLOBAL      0x0100000000ULL /* Global for clustering.  */
64
#define SHF_IA_64_VMS_OVERLAID    0x0200000000ULL /* To be overlaid.  */
65
#define SHF_IA_64_VMS_SHARED      0x0400000000ULL /* Shared btw processes.  */
66
#define SHF_IA_64_VMS_VECTOR      0x0800000000ULL /* Priv change mode vect.  */
67
#define SHF_IA_64_VMS_ALLOC_64BIT 0x1000000000ULL /* Allocate beyond 2GB.  */
68
#define SHF_IA_64_VMS_PROTECTED   0x2000000000ULL /* Export from sharable.  */
69
 
70
/* Possible values for sh_type in Elf64_Shdr: */
71
 
72
#define SHT_IA_64_EXT           (SHT_LOPROC + 0)        /* Extension bits.  */
73
#define SHT_IA_64_UNWIND        (SHT_LOPROC + 1)        /* Unwind bits.  */
74
#define SHT_IA_64_LOPSREG       (SHT_LOPROC + 0x8000000)
75
/* ABI says (SHT_LOPROC + 0xfffffff) but I think it's a typo -- this makes sense.  */
76
#define SHT_IA_64_HIPSREG       (SHT_LOPROC + 0x8ffffff)
77
#define SHT_IA_64_PRIORITY_INIT (SHT_LOPROC + 0x9000000)
78
 
79
/* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its
80
   optimization annotation section.  GCC does not generate it but we
81
   want readelf to know what they are.  Do not use two capital Ns in
82
   annotate or sed will turn it into 32 or 64 during the build.  */
83
#define SHT_IA_64_HP_OPT_ANOT   0x60000004
84
 
85
/* OpenVMS section types.  */
86
/* The section contains PC-to-source correlation information for use by the
87
   VMS RTL's traceback facility.  */
88
#define SHT_IA_64_VMS_TRACE             0x60000000
89
/* The section contains routine signature information for use by the
90
   translated image executive.  */
91
#define SHT_IA_64_VMS_TIE_SIGNATURES    0x60000001
92
/* The section contains dwarf-3 information.  */
93
#define SHT_IA_64_VMS_DEBUG             0x60000002
94
/* The section contains the dwarf-3 string table.  */
95
#define SHT_IA_64_VMS_DEBUG_STR         0x60000003
96
/* The section contains linkage information to perform consistency checking
97
   accross object modules.  */
98
#define SHT_IA_64_VMS_LINKAGES          0x60000004
99
/* The section allows the symbol vector in an image to be location through
100
   the section table.  */
101
#define SHT_IA_64_VMS_SYMBOL_VECTOR     0x60000005
102
/* The section contains inter-image fixups.  */
103
#define SHT_IA_64_VMS_FIXUP             0x60000006
104
/* The section contains unmangled name info.  */
105
#define SHT_IA_64_VMS_DISPLAY_NAME_INFO 0x60000007
106
 
107
/* Bits in the p_flags field of Elf64_Phdr:  */
108
 
109
#define PF_IA_64_NORECOV        0x80000000
110
 
111
/* Possible values for p_type in Elf64_Phdr:  */
112
 
113
#define PT_IA_64_ARCHEXT        (PT_LOPROC + 0) /* Arch extension bits,  */
114
#define PT_IA_64_UNWIND         (PT_LOPROC + 1) /* IA64 unwind bits.  */
115
 
116
/* HP-UX specific values for p_type in Elf64_Phdr.
117
   These values are currently just used to make
118
   readelf more usable on HP-UX.  */
119
 
120
#define PT_IA_64_HP_OPT_ANOT    (PT_LOOS + 0x12)
121
#define PT_IA_64_HP_HSL_ANOT    (PT_LOOS + 0x13)
122
#define PT_IA_64_HP_STACK       (PT_LOOS + 0x14)
123
 
124
/* Possible values for d_tag in Elf64_Dyn:  */
125
 
126
#define DT_IA_64_PLT_RESERVE    (DT_LOPROC + 0)
127
 
128
/* VMS specific values for d_tag in Elf64_Dyn:  */
129
 
130
#define DT_IA_64_VMS_SUBTYPE         (DT_LOOS + 0)
131
#define DT_IA_64_VMS_IMGIOCNT        (DT_LOOS + 2)
132
#define DT_IA_64_VMS_LNKFLAGS        (DT_LOOS + 8)
133
#define DT_IA_64_VMS_VIR_MEM_BLK_SIZ (DT_LOOS + 10)
134
#define DT_IA_64_VMS_IDENT           (DT_LOOS + 12)
135
#define DT_IA_64_VMS_NEEDED_IDENT    (DT_LOOS + 16)
136
#define DT_IA_64_VMS_IMG_RELA_CNT    (DT_LOOS + 18)
137
#define DT_IA_64_VMS_SEG_RELA_CNT    (DT_LOOS + 20)
138
#define DT_IA_64_VMS_FIXUP_RELA_CNT  (DT_LOOS + 22)
139
#define DT_IA_64_VMS_FIXUP_NEEDED    (DT_LOOS + 24)
140
#define DT_IA_64_VMS_SYMVEC_CNT      (DT_LOOS + 26)
141
#define DT_IA_64_VMS_XLATED          (DT_LOOS + 30)
142
#define DT_IA_64_VMS_STACKSIZE       (DT_LOOS + 32)
143
#define DT_IA_64_VMS_UNWINDSZ        (DT_LOOS + 34)
144
#define DT_IA_64_VMS_UNWIND_CODSEG   (DT_LOOS + 36)
145
#define DT_IA_64_VMS_UNWIND_INFOSEG  (DT_LOOS + 38)
146
#define DT_IA_64_VMS_LINKTIME        (DT_LOOS + 40)
147
#define DT_IA_64_VMS_SEG_NO          (DT_LOOS + 42)
148
#define DT_IA_64_VMS_SYMVEC_OFFSET   (DT_LOOS + 44)
149
#define DT_IA_64_VMS_SYMVEC_SEG      (DT_LOOS + 46)
150
#define DT_IA_64_VMS_UNWIND_OFFSET   (DT_LOOS + 48)
151
#define DT_IA_64_VMS_UNWIND_SEG      (DT_LOOS + 50)
152
#define DT_IA_64_VMS_STRTAB_OFFSET   (DT_LOOS + 52)
153
#define DT_IA_64_VMS_SYSVER_OFFSET   (DT_LOOS + 54)
154
#define DT_IA_64_VMS_IMG_RELA_OFF    (DT_LOOS + 56)
155
#define DT_IA_64_VMS_SEG_RELA_OFF    (DT_LOOS + 58)
156
#define DT_IA_64_VMS_FIXUP_RELA_OFF  (DT_LOOS + 60)
157
#define DT_IA_64_VMS_PLTGOT_OFFSET   (DT_LOOS + 62)
158
#define DT_IA_64_VMS_PLTGOT_SEG      (DT_LOOS + 64)
159
#define DT_IA_64_VMS_FPMODE          (DT_LOOS + 66)
160
 
161
/* This section only used by HP-UX, The HP linker gives weak symbols
162
   precedence over regular common symbols.  We want common to override
163
   weak.  Using this common instead of SHN_COMMON does that.  */
164
#define SHN_IA_64_ANSI_COMMON SHN_LORESERVE
165
 
166
/* This section is only used by OpenVMS.  Symbol is defined in the symbol
167
   vector (only possible for image files).  */
168
#define SHN_IA_64_VMS_SYMVEC SHN_LOOS
169
 
170
/* IA64-specific relocation types: */
171
 
172
/* Relocs apply to specific instructions within a bundle.  The least
173
   significant 2 bits of the address indicate which instruction in the
174
   bundle the reloc refers to (0=first slot, 1=second slow, 2=third
175
   slot, 3=undefined) and the remaining bits give the address of the
176
   bundle (16 byte aligned).
177
 
178
   The top 5 bits of the reloc code specifies the expression type, the
179
   low 3 bits the format of the data word being relocated.  */
180
 
181
#include "elf/reloc-macros.h"
182
 
183
START_RELOC_NUMBERS (elf_ia64_reloc_type)
184
  RELOC_NUMBER (R_IA64_NONE, 0x00)      /* none */
185
 
186
  RELOC_NUMBER (R_IA64_IMM14, 0x21)     /* symbol + addend, add imm14 */
187
  RELOC_NUMBER (R_IA64_IMM22, 0x22)     /* symbol + addend, add imm22 */
188
  RELOC_NUMBER (R_IA64_IMM64, 0x23)     /* symbol + addend, mov imm64 */
189
  RELOC_NUMBER (R_IA64_DIR32MSB, 0x24)  /* symbol + addend, data4 MSB */
190
  RELOC_NUMBER (R_IA64_DIR32LSB, 0x25)  /* symbol + addend, data4 LSB */
191
  RELOC_NUMBER (R_IA64_DIR64MSB, 0x26)  /* symbol + addend, data8 MSB */
192
  RELOC_NUMBER (R_IA64_DIR64LSB, 0x27)  /* symbol + addend, data8 LSB */
193
 
194
  RELOC_NUMBER (R_IA64_GPREL22, 0x2a)   /* @gprel(sym+add), add imm22 */
195
  RELOC_NUMBER (R_IA64_GPREL64I, 0x2b)  /* @gprel(sym+add), mov imm64 */
196
  RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */
197
  RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */
198
  RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */
199
  RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */
200
 
201
  RELOC_NUMBER (R_IA64_LTOFF22, 0x32)   /* @ltoff(sym+add), add imm22 */
202
  RELOC_NUMBER (R_IA64_LTOFF64I, 0x33)  /* @ltoff(sym+add), mov imm64 */
203
 
204
  RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a)  /* @pltoff(sym+add), add imm22 */
205
  RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */
206
  RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */
207
  RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */
208
 
209
  RELOC_NUMBER (R_IA64_FPTR64I, 0x43)   /* @fptr(sym+add), mov imm64 */
210
  RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */
211
  RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */
212
  RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */
213
  RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */
214
 
215
  RELOC_NUMBER (R_IA64_PCREL60B, 0x48)  /* @pcrel(sym+add), brl */
216
  RELOC_NUMBER (R_IA64_PCREL21B, 0x49)  /* @pcrel(sym+add), ptb, call */
217
  RELOC_NUMBER (R_IA64_PCREL21M, 0x4a)  /* @pcrel(sym+add), chk.s */
218
  RELOC_NUMBER (R_IA64_PCREL21F, 0x4b)  /* @pcrel(sym+add), fchkf */
219
  RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */
220
  RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */
221
  RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */
222
  RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */
223
 
224
  RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
225
  RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
226
  RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */
227
  RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */
228
  RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */
229
  RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */
230
 
231
  RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */
232
  RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */
233
  RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */
234
  RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */
235
 
236
  RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */
237
  RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */
238
  RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */
239
  RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */
240
 
241
  RELOC_NUMBER (R_IA64_REL32MSB, 0x6c)  /* data 4 + REL */
242
  RELOC_NUMBER (R_IA64_REL32LSB, 0x6d)  /* data 4 + REL */
243
  RELOC_NUMBER (R_IA64_REL64MSB, 0x6e)  /* data 8 + REL */
244
  RELOC_NUMBER (R_IA64_REL64LSB, 0x6f)  /* data 8 + REL */
245
 
246
  RELOC_NUMBER (R_IA64_LTV32MSB, 0x74)  /* symbol + addend, data4 MSB */
247
  RELOC_NUMBER (R_IA64_LTV32LSB, 0x75)  /* symbol + addend, data4 LSB */
248
  RELOC_NUMBER (R_IA64_LTV64MSB, 0x76)  /* symbol + addend, data8 MSB */
249
  RELOC_NUMBER (R_IA64_LTV64LSB, 0x77)  /* symbol + addend, data8 LSB */
250
 
251
  RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */
252
  RELOC_NUMBER (R_IA64_PCREL22, 0x7a)   /* @pcrel(sym+add), imm22 */
253
  RELOC_NUMBER (R_IA64_PCREL64I, 0x7b)  /* @pcrel(sym+add), imm64 */
254
 
255
  RELOC_NUMBER (R_IA64_IPLTMSB, 0x80)   /* dynamic reloc, imported PLT, MSB */
256
  RELOC_NUMBER (R_IA64_IPLTLSB, 0x81)   /* dynamic reloc, imported PLT, LSB */
257
  RELOC_NUMBER (R_IA64_COPY, 0x84)      /* dynamic reloc, data copy */
258
  RELOC_NUMBER (R_IA64_LTOFF22X, 0x86)  /* LTOFF22, relaxable.  */
259
  RELOC_NUMBER (R_IA64_LDXMOV, 0x87)    /* Use of LTOFF22X.  */
260
 
261
  RELOC_NUMBER (R_IA64_TPREL14, 0x91)    /* @tprel(sym+add), add imm14 */
262
  RELOC_NUMBER (R_IA64_TPREL22, 0x92)    /* @tprel(sym+add), add imm22 */
263
  RELOC_NUMBER (R_IA64_TPREL64I, 0x93)   /* @tprel(sym+add), add imm64 */
264
  RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */
265
  RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */
266
 
267
  RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
268
 
269
  RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */
270
  RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */
271
  RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */
272
 
273
  RELOC_NUMBER (R_IA64_DTPREL14, 0xb1)    /* @dtprel(sym+add), imm14 */
274
  RELOC_NUMBER (R_IA64_DTPREL22, 0xb2)    /* @dtprel(sym+add), imm22 */
275
  RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3)   /* @dtprel(sym+add), imm64 */
276
  RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */
277
  RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */
278
  RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */
279
  RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */
280
 
281
  RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */
282
 
283
  FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba)
284
END_RELOC_NUMBERS (R_IA64_max)
285
 
286
#endif /* _ELF_IA64_H */

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