1 /* 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>
6 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
25 /* Bits in the e_flags field of the Elf64_Ehdr: */
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. */
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. */
39 #define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI. */
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. */
45 #define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */
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"
56 /* Bits in the sh_flags field of Elf64_Shdr: */
58 #define SHF_IA_64_SHORT 0x10000000 /* Section near gp. */
59 #define SHF_IA_64_NORECOV 0x20000000 /* Spec insns w/o recovery. */
61 #define SHF_IA_64_HP_TLS 0x01000000 /* HP specific TLS flag. */
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. */
70 /* Possible values for sh_type in Elf64_Shdr: */
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)
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
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
107 /* Bits in the p_flags field of Elf64_Phdr: */
109 #define PF_IA_64_NORECOV 0x80000000
111 /* Possible values for p_type in Elf64_Phdr: */
113 #define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* Arch extension bits, */
114 #define PT_IA_64_UNWIND (PT_LOPROC + 1) /* IA64 unwind bits. */
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. */
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)
124 /* Possible values for d_tag in Elf64_Dyn: */
126 #define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0)
128 /* VMS specific values for d_tag in Elf64_Dyn: */
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)
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
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
170 /* IA64-specific relocation types: */
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).
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. */
181 #include "elf/reloc-macros.h"
183 START_RELOC_NUMBERS (elf_ia64_reloc_type
)
184 RELOC_NUMBER (R_IA64_NONE
, 0x00) /* none */
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 */
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 */
201 RELOC_NUMBER (R_IA64_LTOFF22
, 0x32) /* @ltoff(sym+add), add imm22 */
202 RELOC_NUMBER (R_IA64_LTOFF64I
, 0x33) /* @ltoff(sym+add), mov imm64 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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. */
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 */
267 RELOC_NUMBER (R_IA64_LTOFF_TPREL22
, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
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 */
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 */
281 RELOC_NUMBER (R_IA64_LTOFF_DTPREL22
, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */
283 FAKE_RELOC (R_IA64_MAX_RELOC_CODE
, 0xba)
284 END_RELOC_NUMBERS (R_IA64_max
)
286 #endif /* _ELF_IA64_H */
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