1 /* IA-64 ELF support for BFD. 2 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2008 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 #define SHF_IA_64_VMS_GLOBAL 0x0100000000ULL /* Global for clustering. */ 63 #define SHF_IA_64_VMS_OVERLAID 0x0200000000ULL /* To be overlaid. */ 64 #define SHF_IA_64_VMS_SHARED 0x0400000000ULL /* Shared btw processes. */ 65 #define SHF_IA_64_VMS_VECTOR 0x0800000000ULL /* Priv change mode vect. */ 66 #define SHF_IA_64_VMS_ALLOC_64BIT 0x1000000000ULL /* Allocate beyond 2GB. */ 67 #define SHF_IA_64_VMS_PROTECTED 0x2000000000ULL /* Export from sharable. */ 68 69 /* Possible values for sh_type in Elf64_Shdr: */ 70 71 #define SHT_IA_64_EXT (SHT_LOPROC + 0) /* Extension bits. */ 72 #define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* Unwind bits. */ 73 #define SHT_IA_64_LOPSREG (SHT_LOPROC + 0x8000000) 74 /* ABI says (SHT_LOPROC + 0xfffffff) but I think it's a typo -- this makes sense. */ 75 #define SHT_IA_64_HIPSREG (SHT_LOPROC + 0x8ffffff) 76 #define SHT_IA_64_PRIORITY_INIT (SHT_LOPROC + 0x9000000) 77 78 /* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its 79 optimization annotation section. GCC does not generate it but we 80 want readelf to know what they are. Do not use two capital Ns in 81 annotate or sed will turn it into 32 or 64 during the build. */ 82 #define SHT_IA_64_HP_OPT_ANOT 0x60000004 83 84 /* OpenVMS section types. */ 85 /* The section contains PC-to-source correlation information for use by the 86 VMS RTL's traceback facility. */ 87 #define SHT_IA_64_VMS_TRACE 0x60000000 88 /* The section contains routine signature information for use by the 89 translated image executive. */ 90 #define SHT_IA_64_VMS_TIE_SIGNATURES 0x60000001 91 /* The section contains dwarf-3 information. */ 92 #define SHT_IA_64_VMS_DEBUG 0x60000002 93 /* The section contains the dwarf-3 string table. */ 94 #define SHT_IA_64_VMS_DEBUG_STR 0x60000003 95 /* The section contains linkage information to perform consistency checking 96 accross object modules. */ 97 #define SHT_IA_64_VMS_LINKAGES 0x60000004 98 /* The section allows the symbol vector in an image to be location through 99 the section table. */ 100 #define SHT_IA_64_VMS_SYMBOL_VECTOR 0x60000005 101 /* The section contains inter-image fixups. */ 102 #define SHT_IA_64_VMS_FIXUP 0x60000006 103 104 /* Bits in the p_flags field of Elf64_Phdr: */ 105 106 #define PF_IA_64_NORECOV 0x80000000 107 108 /* Possible values for p_type in Elf64_Phdr: */ 109 110 #define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* Arch extension bits, */ 111 #define PT_IA_64_UNWIND (PT_LOPROC + 1) /* IA64 unwind bits. */ 112 113 /* HP-UX specific values for p_type in Elf64_Phdr. 114 These values are currently just used to make 115 readelf more usable on HP-UX. */ 116 117 #define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) 118 #define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) 119 #define PT_IA_64_HP_STACK (PT_LOOS + 0x14) 120 121 /* Possible values for d_tag in Elf64_Dyn: */ 122 123 #define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) 124 125 /* VMS specific values for d_tag in Elf64_Dyn: */ 126 127 #define DT_IA_64_VMS_SUBTYPE (DT_LOOS + 0) 128 #define DT_IA_64_VMS_IMGIOCNT (DT_LOOS + 2) 129 #define DT_IA_64_VMS_LNKFLAGS (DT_LOOS + 8) 130 #define DT_IA_64_VMS_VIR_MEM_BLK_SIZ (DT_LOOS + 10) 131 #define DT_IA_64_VMS_IDENT (DT_LOOS + 12) 132 #define DT_IA_64_VMS_NEEDED_IDENT (DT_LOOS + 16) 133 #define DT_IA_64_VMS_IMG_RELA_CNT (DT_LOOS + 18) 134 #define DT_IA_64_VMS_SEG_RELA_CNT (DT_LOOS + 20) 135 #define DT_IA_64_VMS_FIXUP_RELA_CNT (DT_LOOS + 22) 136 #define DT_IA_64_VMS_FIXUP_NEEDED (DT_LOOS + 24) 137 #define DT_IA_64_VMS_SYMVEC_CNT (DT_LOOS + 26) 138 #define DT_IA_64_VMS_XLATED (DT_LOOS + 30) 139 #define DT_IA_64_VMS_STACKSIZE (DT_LOOS + 32) 140 #define DT_IA_64_VMS_UNWINDSZ (DT_LOOS + 34) 141 #define DT_IA_64_VMS_UNWIND_CODSEG (DT_LOOS + 36) 142 #define DT_IA_64_VMS_UNWIND_INFOSEG (DT_LOOS + 38) 143 #define DT_IA_64_VMS_LINKTIME (DT_LOOS + 40) 144 #define DT_IA_64_VMS_SEG_NO (DT_LOOS + 42) 145 #define DT_IA_64_VMS_SYMVEC_OFFSET (DT_LOOS + 44) 146 #define DT_IA_64_VMS_SYMVEC_SEG (DT_LOOS + 46) 147 #define DT_IA_64_VMS_UNWIND_OFFSET (DT_LOOS + 48) 148 #define DT_IA_64_VMS_UNWIND_SEG (DT_LOOS + 50) 149 #define DT_IA_64_VMS_STRTAB_OFFSET (DT_LOOS + 52) 150 #define DT_IA_64_VMS_SYSVER_OFFSET (DT_LOOS + 54) 151 #define DT_IA_64_VMS_IMG_RELA_OFF (DT_LOOS + 56) 152 #define DT_IA_64_VMS_SEG_RELA_OFF (DT_LOOS + 58) 153 #define DT_IA_64_VMS_FIXUP_RELA_OFF (DT_LOOS + 60) 154 #define DT_IA_64_VMS_PLTGOT_OFFSET (DT_LOOS + 62) 155 #define DT_IA_64_VMS_PLTGOT_SEG (DT_LOOS + 64) 156 #define DT_IA_64_VMS_FPMODE (DT_LOOS + 66) 157 158 /* This section only used by HP-UX, The HP linker gives weak symbols 159 precedence over regular common symbols. We want common to override 160 weak. Using this common instead of SHN_COMMON does that. */ 161 #define SHN_IA_64_ANSI_COMMON SHN_LORESERVE 162 163 /* This section is only used by OpenVMS. Symbol is defined in the symbol 164 vector (only possible for image files). */ 165 #define SHN_IA_64_VMS_SYMVEC SHN_LOOS 166 167 /* IA64-specific relocation types: */ 168 169 /* Relocs apply to specific instructions within a bundle. The least 170 significant 2 bits of the address indicate which instruction in the 171 bundle the reloc refers to (0=first slot, 1=second slow, 2=third 172 slot, 3=undefined) and the remaining bits give the address of the 173 bundle (16 byte aligned). 174 175 The top 5 bits of the reloc code specifies the expression type, the 176 low 3 bits the format of the data word being relocated. */ 177 178 #include "elf/reloc-macros.h" 179 180 START_RELOC_NUMBERS (elf_ia64_reloc_type) 181 RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */ 182 183 RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */ 184 RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */ 185 RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */ 186 RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */ 187 RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */ 188 RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */ 189 RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */ 190 191 RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym+add), add imm22 */ 192 RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym+add), mov imm64 */ 193 RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */ 194 RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */ 195 RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */ 196 RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */ 197 198 RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym+add), add imm22 */ 199 RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym+add), mov imm64 */ 200 201 RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym+add), add imm22 */ 202 RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */ 203 RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */ 204 RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */ 205 206 RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym+add), mov imm64 */ 207 RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */ 208 RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */ 209 RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */ 210 RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */ 211 212 RELOC_NUMBER (R_IA64_PCREL60B, 0x48) /* @pcrel(sym+add), brl */ 213 RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym+add), ptb, call */ 214 RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym+add), chk.s */ 215 RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym+add), fchkf */ 216 RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */ 217 RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */ 218 RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */ 219 RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */ 220 221 RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */ 222 RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */ 223 RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */ 224 RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */ 225 RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */ 226 RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */ 227 228 RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */ 229 RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */ 230 RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */ 231 RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */ 232 233 RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */ 234 RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */ 235 RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */ 236 RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */ 237 238 RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */ 239 RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */ 240 RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */ 241 RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */ 242 243 RELOC_NUMBER (R_IA64_LTV32MSB, 0x74) /* symbol + addend, data4 MSB */ 244 RELOC_NUMBER (R_IA64_LTV32LSB, 0x75) /* symbol + addend, data4 LSB */ 245 RELOC_NUMBER (R_IA64_LTV64MSB, 0x76) /* symbol + addend, data8 MSB */ 246 RELOC_NUMBER (R_IA64_LTV64LSB, 0x77) /* symbol + addend, data8 LSB */ 247 248 RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */ 249 RELOC_NUMBER (R_IA64_PCREL22, 0x7a) /* @pcrel(sym+add), imm22 */ 250 RELOC_NUMBER (R_IA64_PCREL64I, 0x7b) /* @pcrel(sym+add), imm64 */ 251 252 RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */ 253 RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */ 254 RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy */ 255 RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */ 256 RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */ 257 258 RELOC_NUMBER (R_IA64_TPREL14, 0x91) /* @tprel(sym+add), add imm14 */ 259 RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* @tprel(sym+add), add imm22 */ 260 RELOC_NUMBER (R_IA64_TPREL64I, 0x93) /* @tprel(sym+add), add imm64 */ 261 RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */ 262 RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */ 263 264 RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */ 265 266 RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */ 267 RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */ 268 RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */ 269 270 RELOC_NUMBER (R_IA64_DTPREL14, 0xb1) /* @dtprel(sym+add), imm14 */ 271 RELOC_NUMBER (R_IA64_DTPREL22, 0xb2) /* @dtprel(sym+add), imm22 */ 272 RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3) /* @dtprel(sym+add), imm64 */ 273 RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */ 274 RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */ 275 RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */ 276 RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */ 277 278 RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */ 279 280 FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba) 281 END_RELOC_NUMBERS (R_IA64_max) 282 283 #endif /* _ELF_IA64_H */ 284