ia64.h revision 130561
1/* IA-64 ELF support for BFD. 2 Copyright 1998, 1999, 2000, 2003 Free Software Foundation, Inc. 3 Contributed by David Mosberger-Tang <davidm@hpl.hp.com> 4 5 This file is part of BFD, the Binary File Descriptor library. 6 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. 11 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. 16 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. */ 20 21#ifndef _ELF_IA64_H 22#define _ELF_IA64_H 23 24/* Bits in the e_flags field of the Elf64_Ehdr: */ 25 26#define EF_IA_64_MASKOS 0x0000000f /* OS-specific flags. */ 27#define EF_IA_64_ARCH 0xff000000 /* Arch. version mask. */ 28 29/* ??? These four definitions are not part of the SVR4 ABI. 30 They were present in David's initial code drop, so it is probable 31 that they are used by HP/UX. */ 32#define EF_IA_64_TRAPNIL (1 << 0) /* Trap NIL pointer dereferences. */ 33#define EF_IA_64_EXT (1 << 2) /* Program uses arch. extensions. */ 34#define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian). */ 35#define EFA_IA_64_EAS2_3 0x23000000 /* IA64 EAS 2.3. */ 36 37#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI. */ 38/* Not used yet. */ 39#define EF_IA_64_REDUCEDFP (1 << 5) /* Only FP6-FP11 used. */ 40#define EF_IA_64_CONS_GP (1 << 6) /* gp as program wide constant. */ 41#define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */ 42/* Not used yet. */ 43#define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */ 44 45#define ELF_STRING_ia64_archext ".IA_64.archext" 46#define ELF_STRING_ia64_pltoff ".IA_64.pltoff" 47#define ELF_STRING_ia64_unwind ".IA_64.unwind" 48#define ELF_STRING_ia64_unwind_info ".IA_64.unwind_info" 49#define ELF_STRING_ia64_unwind_once ".gnu.linkonce.ia64unw." 50#define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi." 51/* .IA_64.unwind_hdr is only used by HP-UX. */ 52#define ELF_STRING_ia64_unwind_hdr ".IA_64.unwind_hdr" 53 54/* Bits in the sh_flags field of Elf64_Shdr: */ 55 56#define SHF_IA_64_SHORT 0x10000000 /* Section near gp. */ 57#define SHF_IA_64_NORECOV 0x20000000 /* Spec insns w/o recovery. */ 58 59/* Possible values for sh_type in Elf64_Shdr: */ 60 61#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* Extension bits. */ 62#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* Unwind bits. */ 63#define SHT_IA_64_LOPSREG (SHT_LOPROC + 0x8000000) 64/* ABI says (SHT_LOPROC + 0xfffffff) but I think it's a typo -- this makes sense. */ 65#define SHT_IA_64_HIPSREG (SHT_LOPROC + 0x8ffffff) 66#define SHT_IA_64_PRIORITY_INIT (SHT_LOPROC + 0x9000000) 67 68/* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its 69 optimization annotation section. GCC does not generate it but we 70 want readelf to know what they are. Do not use two capital Ns in 71 annotate or sed will turn it into 32 or 64 during the build. */ 72#define SHT_IA_64_HP_OPT_ANOT 0x60000004 73 74/* Bits in the p_flags field of Elf64_Phdr: */ 75 76#define PF_IA_64_NORECOV 0x80000000 77 78/* Possible values for p_type in Elf64_Phdr: */ 79 80#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* Arch extension bits, */ 81#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* IA64 unwind bits. */ 82 83/* HP-UX specific values for p_type in Elf64_Phdr. 84 These values are currently just used to make 85 readelf more usable on HP-UX. */ 86 87#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) 88#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) 89#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) 90 91/* Possible values for d_tag in Elf64_Dyn: */ 92 93#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) 94 95/* This section only used by HP-UX, The HP linker gives weak symbols 96 precedence over regular common symbols. We want common to override 97 weak. Using this common instead of SHN_COMMON does that. */ 98#define SHN_IA_64_ANSI_COMMON 0xFF00 99 100/* IA64-specific relocation types: */ 101 102/* Relocs apply to specific instructions within a bundle. The least 103 significant 2 bits of the address indicate which instruction in the 104 bundle the reloc refers to (0=first slot, 1=second slow, 2=third 105 slot, 3=undefined) and the remaining bits give the address of the 106 bundle (16 byte aligned). 107 108 The top 5 bits of the reloc code specifies the expression type, the 109 low 3 bits the format of the data word being relocated. */ 110 111#include "elf/reloc-macros.h" 112 113START_RELOC_NUMBERS (elf_ia64_reloc_type) 114 RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */ 115 116 RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */ 117 RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */ 118 RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */ 119 RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */ 120 RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */ 121 RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */ 122 RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */ 123 124 RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym+add), add imm22 */ 125 RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym+add), mov imm64 */ 126 RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */ 127 RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */ 128 RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */ 129 RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */ 130 131 RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym+add), add imm22 */ 132 RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym+add), mov imm64 */ 133 134 RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym+add), add imm22 */ 135 RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */ 136 RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */ 137 RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */ 138 139 RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym+add), mov imm64 */ 140 RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */ 141 RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */ 142 RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */ 143 RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */ 144 145 RELOC_NUMBER (R_IA64_PCREL60B, 0x48) /* @pcrel(sym+add), brl */ 146 RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym+add), ptb, call */ 147 RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym+add), chk.s */ 148 RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym+add), fchkf */ 149 RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */ 150 RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */ 151 RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */ 152 RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */ 153 154 RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */ 155 RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */ 156 RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */ 157 RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */ 158 RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */ 159 RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */ 160 161 RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */ 162 RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */ 163 RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */ 164 RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */ 165 166 RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */ 167 RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */ 168 RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */ 169 RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */ 170 171 RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */ 172 RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */ 173 RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */ 174 RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */ 175 176 RELOC_NUMBER (R_IA64_LTV32MSB, 0x74) /* symbol + addend, data4 MSB */ 177 RELOC_NUMBER (R_IA64_LTV32LSB, 0x75) /* symbol + addend, data4 LSB */ 178 RELOC_NUMBER (R_IA64_LTV64MSB, 0x76) /* symbol + addend, data8 MSB */ 179 RELOC_NUMBER (R_IA64_LTV64LSB, 0x77) /* symbol + addend, data8 LSB */ 180 181 RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */ 182 RELOC_NUMBER (R_IA64_PCREL22, 0x7a) /* @pcrel(sym+add), imm22 */ 183 RELOC_NUMBER (R_IA64_PCREL64I, 0x7b) /* @pcrel(sym+add), imm64 */ 184 185 RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */ 186 RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */ 187 RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy */ 188 RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */ 189 RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */ 190 191 RELOC_NUMBER (R_IA64_TPREL14, 0x91) /* @tprel(sym+add), add imm14 */ 192 RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* @tprel(sym+add), add imm22 */ 193 RELOC_NUMBER (R_IA64_TPREL64I, 0x93) /* @tprel(sym+add), add imm64 */ 194 RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */ 195 RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */ 196 197 RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */ 198 199 RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */ 200 RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */ 201 RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */ 202 203 RELOC_NUMBER (R_IA64_DTPREL14, 0xb1) /* @dtprel(sym+add), imm14 */ 204 RELOC_NUMBER (R_IA64_DTPREL22, 0xb2) /* @dtprel(sym+add), imm22 */ 205 RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3) /* @dtprel(sym+add), imm64 */ 206 RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */ 207 RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */ 208 RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */ 209 RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */ 210 211 RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */ 212 213 FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba) 214END_RELOC_NUMBERS (R_IA64_max) 215 216#endif /* _ELF_IA64_H */ 217