1/* IA-64 ELF support for BFD. 2 Copyright 1998, 1999, 2000, 2001, 2002, 2003 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 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. */ 37 38#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI. */ 39/* Not used yet. */ 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. */ 43/* Not used yet. */ 44#define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */ 45 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" 50#define ELF_STRING_ia64_unwind_once ".gnu.linkonce.ia64unw." 51#define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi." 52/* .IA_64.unwind_hdr is only used by HP-UX. */ 53#define ELF_STRING_ia64_unwind_hdr ".IA_64.unwind_hdr" 54 55/* Bits in the sh_flags field of Elf64_Shdr: */ 56 57#define SHF_IA_64_SHORT 0x10000000 /* Section near gp. */ 58#define SHF_IA_64_NORECOV 0x20000000 /* Spec insns w/o recovery. */ 59 60#define SHF_IA_64_HP_TLS 0x01000000 /* HP specific TLS flag. */ 61 62/* Possible values for sh_type in Elf64_Shdr: */ 63 64#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* Extension bits. */ 65#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* Unwind bits. */ 66#define SHT_IA_64_LOPSREG (SHT_LOPROC + 0x8000000) 67/* ABI says (SHT_LOPROC + 0xfffffff) but I think it's a typo -- this makes sense. */ 68#define SHT_IA_64_HIPSREG (SHT_LOPROC + 0x8ffffff) 69#define SHT_IA_64_PRIORITY_INIT (SHT_LOPROC + 0x9000000) 70 71/* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its 72 optimization annotation section. GCC does not generate it but we 73 want readelf to know what they are. Do not use two capital Ns in 74 annotate or sed will turn it into 32 or 64 during the build. */ 75#define SHT_IA_64_HP_OPT_ANOT 0x60000004 76 77/* Bits in the p_flags field of Elf64_Phdr: */ 78 79#define PF_IA_64_NORECOV 0x80000000 80 81/* Possible values for p_type in Elf64_Phdr: */ 82 83#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* Arch extension bits, */ 84#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* IA64 unwind bits. */ 85 86/* HP-UX specific values for p_type in Elf64_Phdr. 87 These values are currently just used to make 88 readelf more usable on HP-UX. */ 89 90#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) 91#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) 92#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) 93 94/* Possible values for d_tag in Elf64_Dyn: */ 95 96#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) 97 98/* This section only used by HP-UX, The HP linker gives weak symbols 99 precedence over regular common symbols. We want common to override 100 weak. Using this common instead of SHN_COMMON does that. */ 101#define SHN_IA_64_ANSI_COMMON 0xFF00 102 103/* IA64-specific relocation types: */ 104 105/* Relocs apply to specific instructions within a bundle. The least 106 significant 2 bits of the address indicate which instruction in the 107 bundle the reloc refers to (0=first slot, 1=second slow, 2=third 108 slot, 3=undefined) and the remaining bits give the address of the 109 bundle (16 byte aligned). 110 111 The top 5 bits of the reloc code specifies the expression type, the 112 low 3 bits the format of the data word being relocated. */ 113 114#include "elf/reloc-macros.h" 115 116START_RELOC_NUMBERS (elf_ia64_reloc_type) 117 RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */ 118 119 RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */ 120 RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */ 121 RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */ 122 RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */ 123 RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */ 124 RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */ 125 RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */ 126 127 RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym+add), add imm22 */ 128 RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym+add), mov imm64 */ 129 RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */ 130 RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */ 131 RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */ 132 RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */ 133 134 RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym+add), add imm22 */ 135 RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym+add), mov imm64 */ 136 137 RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym+add), add imm22 */ 138 RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */ 139 RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */ 140 RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */ 141 142 RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym+add), mov imm64 */ 143 RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */ 144 RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */ 145 RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */ 146 RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */ 147 148 RELOC_NUMBER (R_IA64_PCREL60B, 0x48) /* @pcrel(sym+add), brl */ 149 RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym+add), ptb, call */ 150 RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym+add), chk.s */ 151 RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym+add), fchkf */ 152 RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */ 153 RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */ 154 RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */ 155 RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */ 156 157 RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */ 158 RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */ 159 RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */ 160 RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */ 161 RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */ 162 RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */ 163 164 RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */ 165 RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */ 166 RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */ 167 RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */ 168 169 RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */ 170 RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */ 171 RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */ 172 RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */ 173 174 RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */ 175 RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */ 176 RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */ 177 RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */ 178 179 RELOC_NUMBER (R_IA64_LTV32MSB, 0x74) /* symbol + addend, data4 MSB */ 180 RELOC_NUMBER (R_IA64_LTV32LSB, 0x75) /* symbol + addend, data4 LSB */ 181 RELOC_NUMBER (R_IA64_LTV64MSB, 0x76) /* symbol + addend, data8 MSB */ 182 RELOC_NUMBER (R_IA64_LTV64LSB, 0x77) /* symbol + addend, data8 LSB */ 183 184 RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */ 185 RELOC_NUMBER (R_IA64_PCREL22, 0x7a) /* @pcrel(sym+add), imm22 */ 186 RELOC_NUMBER (R_IA64_PCREL64I, 0x7b) /* @pcrel(sym+add), imm64 */ 187 188 RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */ 189 RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */ 190 RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy */ 191 RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */ 192 RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */ 193 194 RELOC_NUMBER (R_IA64_TPREL14, 0x91) /* @tprel(sym+add), add imm14 */ 195 RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* @tprel(sym+add), add imm22 */ 196 RELOC_NUMBER (R_IA64_TPREL64I, 0x93) /* @tprel(sym+add), add imm64 */ 197 RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */ 198 RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */ 199 200 RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */ 201 202 RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */ 203 RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */ 204 RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */ 205 206 RELOC_NUMBER (R_IA64_DTPREL14, 0xb1) /* @dtprel(sym+add), imm14 */ 207 RELOC_NUMBER (R_IA64_DTPREL22, 0xb2) /* @dtprel(sym+add), imm22 */ 208 RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3) /* @dtprel(sym+add), imm64 */ 209 RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */ 210 RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */ 211 RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */ 212 RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */ 213 214 RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */ 215 216 FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba) 217END_RELOC_NUMBERS (R_IA64_max) 218 219#endif /* _ELF_IA64_H */ 220