1 /* IA-64 ELF support for BFD.
2 Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
3 Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 */
30 /* ??? These four definitions are not part of the SVR4 ABI.
31 They were present in David's initial code drop, so it is probable
32 that they are used by HP/UX. */
33 #define EF_IA_64_TRAPNIL (1 << 0) /* trap NIL pointer dereferences */
34 #define EF_IA_64_EXT (1 << 2) /* program uses arch. extensions */
35 #define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian) */
36 #define EFA_IA_64_EAS2_3 0x23000000 /* ia64 EAS 2.3 */
38 #define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI */
40 #define EF_IA_64_REDUCEDFP (1 << 5) /* Only FP6-FP11 used. */
41 #define EF_IA_64_CONS_GP (1 << 6) /* gp as program wide constant. */
42 #define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */
44 #define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */
46 #define ELF_STRING_ia64_archext ".IA_64.archext"
47 #define ELF_STRING_ia64_pltoff ".IA_64.pltoff"
48 #define ELF_STRING_ia64_unwind ".IA_64.unwind"
49 #define ELF_STRING_ia64_unwind_info ".IA_64.unwind_info"
51 /* Bits in the sh_flags field of Elf64_Shdr: */
53 #define SHF_IA_64_SHORT 0x10000000 /* section near gp */
54 #define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */
56 /* Possible values for sh_type in Elf64_Shdr: */
58 #define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */
59 #define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */
61 /* Bits in the p_flags field of Elf64_Phdr: */
63 #define PF_IA_64_NORECOV 0x80000000
65 /* Possible values for p_type in Elf64_Phdr: */
67 #define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */
68 #define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */
70 /* Possible values for d_tag in Elf64_Dyn: */
72 #define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0)
74 /* ia64-specific relocation types: */
76 /* Relocs apply to specific instructions within a bundle. The least
77 significant 2 bits of the address indicate which instruction in the
78 bundle the reloc refers to (0=first slot, 1=second slow, 2=third
79 slot, 3=undefined) and the remaining bits give the address of the
80 bundle (16 byte aligned).
82 The top 5 bits of the reloc code specifies the expression type, the
83 low 3 bits the format of the data word being relocated.
85 ??? Relocations below marked ## are not part of the SVR4 processor
86 suppliment. They were present in David's initial code drop, so it
87 is possible that they are used by HP/UX. */
89 #include "elf/reloc-macros.h"
91 START_RELOC_NUMBERS (elf_ia64_reloc_type
)
92 RELOC_NUMBER (R_IA64_NONE
, 0x00) /* none */
94 RELOC_NUMBER (R_IA64_IMM14
, 0x21) /* symbol + addend, add imm14 */
95 RELOC_NUMBER (R_IA64_IMM22
, 0x22) /* symbol + addend, add imm22 */
96 RELOC_NUMBER (R_IA64_IMM64
, 0x23) /* symbol + addend, mov imm64 */
97 RELOC_NUMBER (R_IA64_DIR32MSB
, 0x24) /* symbol + addend, data4 MSB */
98 RELOC_NUMBER (R_IA64_DIR32LSB
, 0x25) /* symbol + addend, data4 LSB */
99 RELOC_NUMBER (R_IA64_DIR64MSB
, 0x26) /* symbol + addend, data8 MSB */
100 RELOC_NUMBER (R_IA64_DIR64LSB
, 0x27) /* symbol + addend, data8 LSB */
102 RELOC_NUMBER (R_IA64_GPREL22
, 0x2a) /* @gprel(sym + add), add imm22 */
103 RELOC_NUMBER (R_IA64_GPREL64I
, 0x2b) /* @gprel(sym + add), mov imm64 */
104 RELOC_NUMBER (R_IA64_GPREL32MSB
, 0x2c) /* @gprel(sym + add), data4 MSB ## */
105 RELOC_NUMBER (R_IA64_GPREL32LSB
, 0x2d) /* @gprel(sym + add), data4 LSB ## */
106 RELOC_NUMBER (R_IA64_GPREL64MSB
, 0x2e) /* @gprel(sym + add), data8 MSB */
107 RELOC_NUMBER (R_IA64_GPREL64LSB
, 0x2f) /* @gprel(sym + add), data8 LSB */
109 RELOC_NUMBER (R_IA64_LTOFF22
, 0x32) /* @ltoff(sym + add), add imm22 */
110 RELOC_NUMBER (R_IA64_LTOFF64I
, 0x33) /* @ltoff(sym + add), mov imm64 */
112 RELOC_NUMBER (R_IA64_PLTOFF22
, 0x3a) /* @pltoff(sym + add), add imm22 */
113 RELOC_NUMBER (R_IA64_PLTOFF64I
, 0x3b) /* @pltoff(sym + add), mov imm64 */
114 RELOC_NUMBER (R_IA64_PLTOFF64MSB
, 0x3e) /* @pltoff(sym + add), data8 MSB */
115 RELOC_NUMBER (R_IA64_PLTOFF64LSB
, 0x3f) /* @pltoff(sym + add), data8 LSB */
117 RELOC_NUMBER (R_IA64_FPTR64I
, 0x43) /* @fptr(sym + add), mov imm64 */
118 RELOC_NUMBER (R_IA64_FPTR32MSB
, 0x44) /* @fptr(sym + add), data4 MSB */
119 RELOC_NUMBER (R_IA64_FPTR32LSB
, 0x45) /* @fptr(sym + add), data4 LSB */
120 RELOC_NUMBER (R_IA64_FPTR64MSB
, 0x46) /* @fptr(sym + add), data8 MSB */
121 RELOC_NUMBER (R_IA64_FPTR64LSB
, 0x47) /* @fptr(sym + add), data8 LSB */
123 RELOC_NUMBER (R_IA64_PCREL60B
, 0x48) /* @pcrel(sym + add), brl */
124 RELOC_NUMBER (R_IA64_PCREL21B
, 0x49) /* @pcrel(sym + add), ptb, call */
125 RELOC_NUMBER (R_IA64_PCREL21M
, 0x4a) /* @pcrel(sym + add), chk.s */
126 RELOC_NUMBER (R_IA64_PCREL21F
, 0x4b) /* @pcrel(sym + add), fchkf */
127 RELOC_NUMBER (R_IA64_PCREL32MSB
, 0x4c) /* @pcrel(sym + add), data4 MSB */
128 RELOC_NUMBER (R_IA64_PCREL32LSB
, 0x4d) /* @pcrel(sym + add), data4 LSB */
129 RELOC_NUMBER (R_IA64_PCREL64MSB
, 0x4e) /* @pcrel(sym + add), data8 MSB */
130 RELOC_NUMBER (R_IA64_PCREL64LSB
, 0x4f) /* @pcrel(sym + add), data8 LSB */
132 RELOC_NUMBER (R_IA64_LTOFF_FPTR22
, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
133 RELOC_NUMBER (R_IA64_LTOFF_FPTR64I
, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
134 RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB
, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB ##*/
135 RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB
, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB ##*/
137 RELOC_NUMBER (R_IA64_SEGBASE
, 0x58) /* set segment base for @segrel ## */
138 RELOC_NUMBER (R_IA64_SEGREL32MSB
, 0x5c) /* @segrel(sym + add), data4 MSB */
139 RELOC_NUMBER (R_IA64_SEGREL32LSB
, 0x5d) /* @segrel(sym + add), data4 LSB */
140 RELOC_NUMBER (R_IA64_SEGREL64MSB
, 0x5e) /* @segrel(sym + add), data8 MSB */
141 RELOC_NUMBER (R_IA64_SEGREL64LSB
, 0x5f) /* @segrel(sym + add), data8 LSB */
143 RELOC_NUMBER (R_IA64_SECREL32MSB
, 0x64) /* @secrel(sym + add), data4 MSB */
144 RELOC_NUMBER (R_IA64_SECREL32LSB
, 0x65) /* @secrel(sym + add), data4 LSB */
145 RELOC_NUMBER (R_IA64_SECREL64MSB
, 0x66) /* @secrel(sym + add), data8 MSB */
146 RELOC_NUMBER (R_IA64_SECREL64LSB
, 0x67) /* @secrel(sym + add), data8 LSB */
148 RELOC_NUMBER (R_IA64_REL32MSB
, 0x6c) /* data 4 + REL */
149 RELOC_NUMBER (R_IA64_REL32LSB
, 0x6d) /* data 4 + REL */
150 RELOC_NUMBER (R_IA64_REL64MSB
, 0x6e) /* data 8 + REL */
151 RELOC_NUMBER (R_IA64_REL64LSB
, 0x6f) /* data 8 + REL */
153 RELOC_NUMBER (R_IA64_LTV32MSB
, 0x70) /* symbol + addend, data4 MSB */
154 RELOC_NUMBER (R_IA64_LTV32LSB
, 0x71) /* symbol + addend, data4 LSB */
155 RELOC_NUMBER (R_IA64_LTV64MSB
, 0x72) /* symbol + addend, data8 MSB */
156 RELOC_NUMBER (R_IA64_LTV64LSB
, 0x73) /* symbol + addend, data8 LSB */
158 RELOC_NUMBER (R_IA64_PCREL21BI
, 0x79) /* @pcrel(sym + add), ptb, call */
159 RELOC_NUMBER (R_IA64_PCREL22
, 0x7a) /* @pcrel(sym + add), imm22 */
160 RELOC_NUMBER (R_IA64_PCREL64I
, 0x7b) /* @pcrel(sym + add), imm64 */
162 RELOC_NUMBER (R_IA64_IPLTMSB
, 0x80) /* dynamic reloc, imported PLT, MSB */
163 RELOC_NUMBER (R_IA64_IPLTLSB
, 0x81) /* dynamic reloc, imported PLT, LSB */
164 RELOC_NUMBER (R_IA64_EPLTMSB
, 0x82) /* dynamic reloc, exported PLT, ## */
165 RELOC_NUMBER (R_IA64_EPLTLSB
, 0x83) /* dynamic reloc, exported PLT, ## */
166 RELOC_NUMBER (R_IA64_COPY
, 0x84) /* dynamic reloc, data copy ## */
167 RELOC_NUMBER (R_IA64_LTOFF22X
, 0x86) /* LTOFF22, relaxable. */
168 RELOC_NUMBER (R_IA64_LDXMOV
, 0x87) /* Use of LTOFF22X. */
170 RELOC_NUMBER (R_IA64_TPREL22
, 0x92) /* sym-TP+add, add imm22 ## */
171 RELOC_NUMBER (R_IA64_TPREL64MSB
, 0x96) /* sym-TP+add, data8 MSB ## */
172 RELOC_NUMBER (R_IA64_TPREL64LSB
, 0x97) /* sym-TP+add, data8 LSB ## */
174 RELOC_NUMBER (R_IA64_LTOFF_TP22
, 0x9a) /* @ltoff(sym-TP+add), add imm22 ## */
176 FAKE_RELOC (R_IA64_MAX_RELOC_CODE
, 0x9a)
177 END_RELOC_NUMBERS (R_IA64_max
)
179 #endif /* _ELF_IA64_H */
This page took 0.033311 seconds and 4 git commands to generate.