aarch64.h revision 1.1
1 /* AArch64 ELF support for BFD. 2 3 Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc. 4 Contributed by ARM Ltd. 5 6 This file is part of GNU Binutils. 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 3 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; see the file COPYING3. If not, 20 see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef _ELF_AARCH64_H 23 #define _ELF_AARCH64_H 24 25 #include "elf/reloc-macros.h" 26 27 /* Processor specific program header types. */ 28 #define PT_AARCH64_ARCHEXT (PT_LOPROC + 0) 29 30 /* Additional section types. */ 31 #define SHT_AARCH64_ATTRIBUTES 0x70000003 /* Section holds attributes. */ 32 33 /* AArch64-specific values for sh_flags. */ 34 #define SHF_ENTRYSECT 0x10000000 /* Section contains an 35 entry point. */ 36 #define SHF_COMDEF 0x80000000 /* Section may be multiply defined 37 in the input to a link step. */ 38 39 /* Relocation types. */ 40 41 START_RELOC_NUMBERS (elf_aarch64_reloc_type) 42 43 /* Null relocations. */ 44 RELOC_NUMBER (R_AARCH64_NONE, 0) /* No reloc */ 45 46 FAKE_RELOC (R_AARCH64_static_min, 256) 47 48 RELOC_NUMBER (R_AARCH64_NULL, 256) /* No reloc */ 49 50 /* Basic data relocations. */ 51 52 /* .xword: (S+A) */ 53 RELOC_NUMBER (R_AARCH64_ABS64, 257) 54 55 /* .word: (S+A) */ 56 RELOC_NUMBER (R_AARCH64_ABS32, 258) 57 58 /* .half: (S+A) */ 59 RELOC_NUMBER (R_AARCH64_ABS16, 259) 60 61 /* .xword: (S+A-P) */ 62 RELOC_NUMBER (R_AARCH64_PREL64, 260) 63 64 /* .word: (S+A-P) */ 65 RELOC_NUMBER (R_AARCH64_PREL32, 261) 66 67 /* .half: (S+A-P) */ 68 RELOC_NUMBER (R_AARCH64_PREL16, 262) 69 70 /* Group relocations to create a 16, 32, 48 or 64 bit 71 unsigned data or abs address inline. */ 72 73 /* MOV[ZK]: ((S+A) >> 0) & 0xffff */ 74 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0, 263) 75 76 /* MOV[ZK]: ((S+A) >> 0) & 0xffff */ 77 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0_NC, 264) 78 79 /* MOV[ZK]: ((S+A) >> 16) & 0xffff */ 80 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1, 265) 81 82 /* MOV[ZK]: ((S+A) >> 16) & 0xffff */ 83 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1_NC, 266) 84 85 /* MOV[ZK]: ((S+A) >> 32) & 0xffff */ 86 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2, 267) 87 88 /* MOV[ZK]: ((S+A) >> 32) & 0xffff */ 89 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2_NC, 268) 90 91 /* MOV[ZK]: ((S+A) >> 48) & 0xffff */ 92 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G3, 269) 93 94 /* Group relocations to create high part of a 16, 32, 48 or 64 bit 95 signed data or abs address inline. Will change instruction 96 to MOVN or MOVZ depending on sign of calculated value. */ 97 98 /* MOV[ZN]: ((S+A) >> 0) & 0xffff */ 99 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G0, 270) 100 101 /* MOV[ZN]: ((S+A) >> 16) & 0xffff */ 102 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G1, 271) 103 104 /* MOV[ZN]: ((S+A) >> 32) & 0xffff */ 105 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G2, 272) 106 107 /* Relocations to generate 19, 21 and 33 bit PC-relative load/store 108 addresses: PG(x) is (x & ~0xfff). */ 109 110 /* LD-lit: ((S+A-P) >> 2) & 0x7ffff */ 111 RELOC_NUMBER (R_AARCH64_LD_PREL_LO19, 273) 112 113 /* ADR: (S+A-P) & 0x1fffff */ 114 RELOC_NUMBER (R_AARCH64_ADR_PREL_LO21, 274) 115 116 /* ADRH: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */ 117 RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21, 275) 118 119 /* ADRH: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */ 120 RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21_NC, 276) 121 122 /* ADD: (S+A) & 0xfff */ 123 RELOC_NUMBER (R_AARCH64_ADD_ABS_LO12_NC, 277) 124 125 /* LD/ST8: (S+A) & 0xfff */ 126 RELOC_NUMBER (R_AARCH64_LDST8_ABS_LO12_NC, 278) 127 128 /* Relocations for control-flow instructions. */ 129 130 /* TBZ/NZ: ((S+A-P) >> 2) & 0x3fff */ 131 RELOC_NUMBER (R_AARCH64_TSTBR14, 279) 132 133 /* B.cond: ((S+A-P) >> 2) & 0x7ffff */ 134 RELOC_NUMBER (R_AARCH64_CONDBR19, 280) 135 136 /* 281 unused */ 137 138 /* B: ((S+A-P) >> 2) & 0x3ffffff */ 139 RELOC_NUMBER (R_AARCH64_JUMP26, 282) 140 141 /* BL: ((S+A-P) >> 2) & 0x3ffffff */ 142 RELOC_NUMBER (R_AARCH64_CALL26, 283) 143 144 /* LD/ST16: (S+A) & 0xffe */ 145 RELOC_NUMBER (R_AARCH64_LDST16_ABS_LO12_NC, 284) 146 147 /* LD/ST32: (S+A) & 0xffc */ 148 RELOC_NUMBER (R_AARCH64_LDST32_ABS_LO12_NC, 285) 149 150 /* LD/ST64: (S+A) & 0xff8 */ 151 RELOC_NUMBER (R_AARCH64_LDST64_ABS_LO12_NC, 286) 152 153 /* LD/ST128: (S+A) & 0xff0 */ 154 RELOC_NUMBER (R_AARCH64_LDST128_ABS_LO12_NC, 299) 155 156 RELOC_NUMBER (R_AARCH64_ADR_GOT_PAGE, 311) 157 RELOC_NUMBER (R_AARCH64_LD64_GOT_LO12_NC, 312) 158 159 FAKE_RELOC (R_AARCH64_static_max, 313) 160 161 FAKE_RELOC (R_AARCH64_tls_min, 512) 162 RELOC_NUMBER (R_AARCH64_TLSGD_ADR_PAGE21, 513) 163 RELOC_NUMBER (R_AARCH64_TLSGD_ADD_LO12_NC, 514) 164 RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G1, 539) 165 RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC, 540) 166 RELOC_NUMBER (R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21, 541) 167 RELOC_NUMBER (R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC, 542) 168 RELOC_NUMBER (R_AARCH64_TLSIE_LD_GOTTPREL_PREL19, 543) 169 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G2, 544) 170 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1, 545) 171 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1_NC, 546) 172 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0, 547) 173 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0_NC, 548) 174 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_HI12, 549) 175 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12, 550) 176 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12_NC, 551) 177 FAKE_RELOC (R_AARCH64_tls_max, 552) 178 179 FAKE_RELOC (R_AARCH64_tlsdesc_min, 560) 180 RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_PREL19, 560) 181 RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PREL21, 561) 182 RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PAGE, 562) 183 RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_LO12_NC, 563) 184 RELOC_NUMBER (R_AARCH64_TLSDESC_ADD_LO12_NC, 564) 185 RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G1, 565) 186 RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G0_NC, 566) 187 RELOC_NUMBER (R_AARCH64_TLSDESC_LDR, 567) 188 RELOC_NUMBER (R_AARCH64_TLSDESC_ADD, 568) 189 RELOC_NUMBER (R_AARCH64_TLSDESC_CALL, 569) 190 FAKE_RELOC (R_AARCH64_tlsdesc_max, 570) 191 192 /* Dynamic relocations */ 193 FAKE_RELOC (R_AARCH64_dyn_min, 1024) 194 195 /* Copy symbol at runtime. */ 196 RELOC_NUMBER (R_AARCH64_COPY, 1024) 197 198 /* Create GOT entry. */ 199 RELOC_NUMBER (R_AARCH64_GLOB_DAT, 1025) 200 201 /* Create PLT entry. */ 202 RELOC_NUMBER (R_AARCH64_JUMP_SLOT, 1026) 203 204 /* Adjust by program base. */ 205 RELOC_NUMBER (R_AARCH64_RELATIVE, 1027) 206 RELOC_NUMBER (R_AARCH64_TLS_DTPMOD64, 1028) 207 RELOC_NUMBER (R_AARCH64_TLS_DTPREL64, 1029) 208 RELOC_NUMBER (R_AARCH64_TLS_TPREL64, 1030) 209 RELOC_NUMBER (R_AARCH64_TLSDESC, 1031) 210 FAKE_RELOC (R_AARCH64_dyn_max, 1032) 211 212 END_RELOC_NUMBERS (R_AARCH64_end) 213 214 #endif /* _ELF_AARCH64_H */ 215
Indexes created Sat Sep 05 00:25:07 UTC 2026