| 1 | /* IA-64 ELF support for BFD.
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| 2 | Copyright 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
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| 3 | Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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| 4 |
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| 5 | This file is part of BFD, the Binary File Descriptor library.
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 2 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program; if not, write to the Free Software
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| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 20 |
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| 21 | #ifndef _ELF_IA64_H
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| 22 | #define _ELF_IA64_H
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| 23 |
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| 24 | /* Bits in the e_flags field of the Elf64_Ehdr: */
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| 25 |
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| 26 | #define EF_IA_64_MASKOS 0x0000000f /* OS-specific flags. */
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| 27 | #define EF_IA_64_ARCH 0xff000000 /* Arch. version mask. */
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| 28 |
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| 29 | /* ??? These four definitions are not part of the SVR4 ABI.
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| 30 | They were present in David's initial code drop, so it is probable
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| 31 | that they are used by HP/UX. */
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| 32 | #define EF_IA_64_TRAPNIL (1 << 0) /* Trap NIL pointer dereferences. */
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| 33 | #define EF_IA_64_EXT (1 << 2) /* Program uses arch. extensions. */
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| 34 | #define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian). */
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| 35 | #define EFA_IA_64_EAS2_3 0x23000000 /* IA64 EAS 2.3. */
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| 36 |
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| 37 | #define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI. */
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| 38 | /* Not used yet. */
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| 39 | #define EF_IA_64_REDUCEDFP (1 << 5) /* Only FP6-FP11 used. */
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| 40 | #define EF_IA_64_CONS_GP (1 << 6) /* gp as program wide constant. */
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| 41 | #define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */
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| 42 | /* Not used yet. */
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| 43 | #define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */
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| 44 |
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| 45 | #define ELF_STRING_ia64_archext ".IA_64.archext"
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| 46 | #define ELF_STRING_ia64_pltoff ".IA_64.pltoff"
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| 47 | #define ELF_STRING_ia64_unwind ".IA_64.unwind"
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| 48 | #define ELF_STRING_ia64_unwind_info ".IA_64.unwind_info"
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| 49 | #define ELF_STRING_ia64_unwind_once ".gnu.linkonce.ia64unw."
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| 50 | #define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi."
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| 51 | /* .IA_64.unwind_hdr is only used by HP-UX. */
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| 52 | #define ELF_STRING_ia64_unwind_hdr ".IA_64.unwind_hdr"
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| 53 |
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| 54 | /* Bits in the sh_flags field of Elf64_Shdr: */
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| 55 |
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| 56 | #define SHF_IA_64_SHORT 0x10000000 /* Section near gp. */
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| 57 | #define SHF_IA_64_NORECOV 0x20000000 /* Spec insns w/o recovery. */
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| 58 |
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| 59 | /* Possible values for sh_type in Elf64_Shdr: */
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| 60 |
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| 61 | #define SHT_IA_64_EXT (SHT_LOPROC + 0) /* Extension bits. */
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| 62 | #define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* Unwind bits. */
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| 63 | #define SHT_IA_64_LOPSREG (SHT_LOPROC + 0x8000000)
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| 64 | /* ABI says (SHT_LOPROC + 0xfffffff) but I think it's a typo -- this makes sense. */
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| 65 | #define SHT_IA_64_HIPSREG (SHT_LOPROC + 0x8ffffff)
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| 66 | #define SHT_IA_64_PRIORITY_INIT (SHT_LOPROC + 0x9000000)
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| 67 |
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| 68 | /* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its
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| 69 | optimization annotation section. GCC does not generate it but we
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| 70 | want readelf to know what they are. Do not use two capital Ns in
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| 71 | annotate or sed will turn it into 32 or 64 during the build. */
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| 72 | #define SHT_IA_64_HP_OPT_ANOT 0x60000004
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| 73 |
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| 74 | /* Bits in the p_flags field of Elf64_Phdr: */
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| 75 |
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| 76 | #define PF_IA_64_NORECOV 0x80000000
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| 77 |
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| 78 | /* Possible values for p_type in Elf64_Phdr: */
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| 79 |
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| 80 | #define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* Arch extension bits, */
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| 81 | #define PT_IA_64_UNWIND (PT_LOPROC + 1) /* IA64 unwind bits. */
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| 82 |
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| 83 | /* HP-UX specific values for p_type in Elf64_Phdr.
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| 84 | These values are currently just used to make
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| 85 | readelf more usable on HP-UX. */
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| 86 |
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| 87 | #define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12)
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| 88 | #define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13)
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| 89 | #define PT_IA_64_HP_STACK (PT_LOOS + 0x14)
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| 90 |
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| 91 | /* Possible values for d_tag in Elf64_Dyn: */
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| 92 |
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| 93 | #define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0)
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| 94 |
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| 95 | /* This section only used by HP-UX, The HP linker gives weak symbols
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| 96 | precedence over regular common symbols. We want common to override
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| 97 | weak. Using this common instead of SHN_COMMON does that. */
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| 98 | #define SHN_IA_64_ANSI_COMMON 0xFF00
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| 99 |
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| 100 | /* IA64-specific relocation types: */
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| 101 |
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| 102 | /* Relocs apply to specific instructions within a bundle. The least
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| 103 | significant 2 bits of the address indicate which instruction in the
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| 104 | bundle the reloc refers to (0=first slot, 1=second slow, 2=third
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| 105 | slot, 3=undefined) and the remaining bits give the address of the
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| 106 | bundle (16 byte aligned).
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| 107 |
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| 108 | The top 5 bits of the reloc code specifies the expression type, the
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| 109 | low 3 bits the format of the data word being relocated. */
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| 110 |
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| 111 | #include "elf/reloc-macros.h"
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| 112 |
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| 113 | START_RELOC_NUMBERS (elf_ia64_reloc_type)
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| 114 | RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */
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| 115 |
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| 116 | RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */
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| 117 | RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */
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| 118 | RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */
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| 119 | RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */
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| 120 | RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */
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| 121 | RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */
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| 122 | RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */
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| 123 |
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| 124 | RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym+add), add imm22 */
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| 125 | RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym+add), mov imm64 */
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| 126 | RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */
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| 127 | RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */
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| 128 | RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */
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| 129 | RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */
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| 130 |
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| 131 | RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym+add), add imm22 */
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| 132 | RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym+add), mov imm64 */
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| 133 |
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| 134 | RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym+add), add imm22 */
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| 135 | RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */
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| 136 | RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */
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| 137 | RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */
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| 138 |
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| 139 | RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym+add), mov imm64 */
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| 140 | RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */
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| 141 | RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */
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| 142 | RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */
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| 143 | RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */
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| 144 |
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| 145 | RELOC_NUMBER (R_IA64_PCREL60B, 0x48) /* @pcrel(sym+add), brl */
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| 146 | RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym+add), ptb, call */
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| 147 | RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym+add), chk.s */
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| 148 | RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym+add), fchkf */
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| 149 | RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */
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| 150 | RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */
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| 151 | RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */
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| 152 | RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */
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| 153 |
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| 154 | RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
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| 155 | RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
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| 156 | RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */
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| 157 | RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */
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| 158 | RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */
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| 159 | RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */
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| 160 |
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| 161 | RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */
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| 162 | RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */
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| 163 | RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */
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| 164 | RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */
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| 165 |
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| 166 | RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */
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| 167 | RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */
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| 168 | RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */
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| 169 | RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */
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| 170 |
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| 171 | RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */
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| 172 | RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */
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| 173 | RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */
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| 174 | RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */
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| 175 |
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| 176 | RELOC_NUMBER (R_IA64_LTV32MSB, 0x74) /* symbol + addend, data4 MSB */
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| 177 | RELOC_NUMBER (R_IA64_LTV32LSB, 0x75) /* symbol + addend, data4 LSB */
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| 178 | RELOC_NUMBER (R_IA64_LTV64MSB, 0x76) /* symbol + addend, data8 MSB */
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| 179 | RELOC_NUMBER (R_IA64_LTV64LSB, 0x77) /* symbol + addend, data8 LSB */
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| 180 |
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| 181 | RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */
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| 182 | RELOC_NUMBER (R_IA64_PCREL22, 0x7a) /* @pcrel(sym+add), imm22 */
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| 183 | RELOC_NUMBER (R_IA64_PCREL64I, 0x7b) /* @pcrel(sym+add), imm64 */
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| 184 |
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| 185 | RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */
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| 186 | RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */
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| 187 | RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy */
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| 188 | RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */
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| 189 | RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */
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| 190 |
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| 191 | RELOC_NUMBER (R_IA64_TPREL14, 0x91) /* @tprel(sym+add), add imm14 */
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| 192 | RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* @tprel(sym+add), add imm22 */
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| 193 | RELOC_NUMBER (R_IA64_TPREL64I, 0x93) /* @tprel(sym+add), add imm64 */
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| 194 | RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */
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| 195 | RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */
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| 196 |
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| 197 | RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
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| 198 |
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| 199 | RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */
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| 200 | RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */
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| 201 | RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */
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| 202 |
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| 203 | RELOC_NUMBER (R_IA64_DTPREL14, 0xb1) /* @dtprel(sym+add), imm14 */
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| 204 | RELOC_NUMBER (R_IA64_DTPREL22, 0xb2) /* @dtprel(sym+add), imm22 */
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| 205 | RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3) /* @dtprel(sym+add), imm64 */
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| 206 | RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */
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| 207 | RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */
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| 208 | RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */
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| 209 | RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */
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| 210 |
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| 211 | RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */
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| 212 |
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| 213 | FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba)
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| 214 | END_RELOC_NUMBERS (R_IA64_max)
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| 215 |
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| 216 | #endif /* _ELF_IA64_H */
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