1 /* Copyright (C) 2021-2022 Free Software Foundation, Inc. 2 Contributed by Loongson Ltd. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the license, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; see the file COPYING3. If not, 18 see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef _ELF_LOONGARCH_H 21 #define _ELF_LOONGARCH_H 22 23 #include "elf/reloc-macros.h" 24 #include "libiberty.h" 25 26 START_RELOC_NUMBERS (elf_loongarch_reloc_type) 27 /* Used by the dynamic linker. */ 28 RELOC_NUMBER (R_LARCH_NONE, 0) 29 RELOC_NUMBER (R_LARCH_32, 1) 30 RELOC_NUMBER (R_LARCH_64, 2) 31 RELOC_NUMBER (R_LARCH_RELATIVE, 3) 32 RELOC_NUMBER (R_LARCH_COPY, 4) 33 RELOC_NUMBER (R_LARCH_JUMP_SLOT, 5) 34 RELOC_NUMBER (R_LARCH_TLS_DTPMOD32, 6) 35 RELOC_NUMBER (R_LARCH_TLS_DTPMOD64, 7) 36 RELOC_NUMBER (R_LARCH_TLS_DTPREL32, 8) 37 RELOC_NUMBER (R_LARCH_TLS_DTPREL64, 9) 38 RELOC_NUMBER (R_LARCH_TLS_TPREL32, 10) 39 RELOC_NUMBER (R_LARCH_TLS_TPREL64, 11) 40 RELOC_NUMBER (R_LARCH_IRELATIVE, 12) 41 42 /* Reserved for future relocs that the dynamic linker must understand. */ 43 44 /* Used by the static linker for relocating .text. */ 45 RELOC_NUMBER (R_LARCH_MARK_LA, 20) 46 RELOC_NUMBER (R_LARCH_MARK_PCREL, 21) 47 48 RELOC_NUMBER (R_LARCH_SOP_PUSH_PCREL, 22) 49 50 RELOC_NUMBER (R_LARCH_SOP_PUSH_ABSOLUTE, 23) 51 52 RELOC_NUMBER (R_LARCH_SOP_PUSH_DUP, 24) 53 RELOC_NUMBER (R_LARCH_SOP_PUSH_GPREL, 25) 54 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_TPREL, 26) 55 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GOT, 27) 56 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GD, 28) 57 RELOC_NUMBER (R_LARCH_SOP_PUSH_PLT_PCREL, 29) 58 59 RELOC_NUMBER (R_LARCH_SOP_ASSERT, 30) 60 RELOC_NUMBER (R_LARCH_SOP_NOT, 31) 61 RELOC_NUMBER (R_LARCH_SOP_SUB, 32) 62 RELOC_NUMBER (R_LARCH_SOP_SL, 33) 63 RELOC_NUMBER (R_LARCH_SOP_SR, 34) 64 RELOC_NUMBER (R_LARCH_SOP_ADD, 35) 65 RELOC_NUMBER (R_LARCH_SOP_AND, 36) 66 RELOC_NUMBER (R_LARCH_SOP_IF_ELSE, 37) 67 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_5, 38) 68 RELOC_NUMBER (R_LARCH_SOP_POP_32_U_10_12, 39) 69 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_12, 40) 70 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16, 41) 71 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16_S2, 42) 72 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_5_20, 43) 73 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_5_10_16_S2, 44) 74 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_10_10_16_S2, 45) 75 RELOC_NUMBER (R_LARCH_SOP_POP_32_U, 46) 76 77 /* Used by the static linker for relocating non .text. */ 78 RELOC_NUMBER (R_LARCH_ADD8, 47) 79 RELOC_NUMBER (R_LARCH_ADD16, 48) 80 RELOC_NUMBER (R_LARCH_ADD24, 49) 81 RELOC_NUMBER (R_LARCH_ADD32, 50) 82 RELOC_NUMBER (R_LARCH_ADD64, 51) 83 RELOC_NUMBER (R_LARCH_SUB8, 52) 84 RELOC_NUMBER (R_LARCH_SUB16, 53) 85 RELOC_NUMBER (R_LARCH_SUB24, 54) 86 RELOC_NUMBER (R_LARCH_SUB32, 55) 87 RELOC_NUMBER (R_LARCH_SUB64, 56) 88 89 /* I don't know what it is. Existing in almost all other arch. */ 90 RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57) 91 RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58) 92 93 94 /* B16: 95 beq/bne/blt/bge/bltu/bgeu/jirl 96 %b16 (sym). */ 97 RELOC_NUMBER (R_LARCH_B16, 64) 98 /* B21: 99 beqz/bnez 100 %b16 (sym). */ 101 RELOC_NUMBER (R_LARCH_B21, 65) 102 /* B26: 103 b/bl 104 %b26 (sym) or %plt (sym). */ 105 RELOC_NUMBER (R_LARCH_B26, 66) 106 107 /* ABS: 32/64 108 lu12i.w 109 %abs_hi20 (sym). */ 110 RELOC_NUMBER (R_LARCH_ABS_HI20, 67) 111 /* ABS: 32/64 112 ori 113 %abs_lo12 (sym). */ 114 RELOC_NUMBER (R_LARCH_ABS_LO12, 68) 115 116 /* ABS: 64 117 lu32i.d 118 %abs64_lo20 (sym). */ 119 RELOC_NUMBER (R_LARCH_ABS64_LO20, 69) 120 /* ABS: 64 121 lu52i.d 122 %abs64_hi12 (sym). */ 123 RELOC_NUMBER (R_LARCH_ABS64_HI12, 70) 124 125 /* PCREL: 32/64 126 pcalau12i 127 %pc_hi20 (sym). */ 128 RELOC_NUMBER (R_LARCH_PCALA_HI20, 71) 129 /* PCREL: 32/64 130 addi.w/addi.d 131 %pc_lo12 (sym). */ 132 RELOC_NUMBER (R_LARCH_PCALA_LO12, 72) 133 /* PCREL: 64 134 lu32i.d 135 %pc64_lo20 (sym). */ 136 RELOC_NUMBER (R_LARCH_PCALA64_LO20, 73) 137 /* PCREL: 64 138 lu52i.d 139 %pc64_hi12 (sym). */ 140 RELOC_NUMBER (R_LARCH_PCALA64_HI12, 74) 141 142 /* GOT: 32/64 143 pcalau12i 144 %got_pc_hi20 (got). */ 145 RELOC_NUMBER (R_LARCH_GOT_PC_HI20, 75) 146 /* GOT: 32/64 147 ld.w/ld.d 148 %got_pc_lo12 (got). */ 149 RELOC_NUMBER (R_LARCH_GOT_PC_LO12, 76) 150 /* GOT: 32/64 151 lu32i.d 152 %got_pc_lo12 (got). */ 153 RELOC_NUMBER (R_LARCH_GOT64_PC_LO20, 77) 154 /* GOT64: PCREL 155 lu52i.d 156 %got64_pc_hi12 (got). */ 157 RELOC_NUMBER (R_LARCH_GOT64_PC_HI12, 78) 158 /* GOT32/64: ABS 159 lu12i.w 160 %got_hi20 (got). */ 161 RELOC_NUMBER (R_LARCH_GOT_HI20, 79) 162 /* GOT: 32/64: ABS 163 ori 164 %got_lo12 (got). */ 165 RELOC_NUMBER (R_LARCH_GOT_LO12, 80) 166 /* GOT64: ABS 167 lu32i.d 168 %got64_lo20 (got). */ 169 RELOC_NUMBER (R_LARCH_GOT64_LO20, 81) 170 /* GOT64: ABS 171 lu52i.d 172 %got64_hi12 (got). */ 173 RELOC_NUMBER (R_LARCH_GOT64_HI12, 82) 174 175 /* TLS-LE: 32/64 176 lu12i.w 177 %le_hi20 (sym). */ 178 RELOC_NUMBER (R_LARCH_TLS_LE_HI20, 83) 179 /* TLS-LE: 32/64 180 ori 181 %le_lo12 (sym). */ 182 RELOC_NUMBER (R_LARCH_TLS_LE_LO12, 84) 183 /* TLS-LE: 64 184 lu32i.d 185 %le64_lo20 (sym). */ 186 RELOC_NUMBER (R_LARCH_TLS_LE64_LO20, 85) 187 /* TLS-LE: 64 188 lu52i.d 189 %le64_hi12 (sym). */ 190 RELOC_NUMBER (R_LARCH_TLS_LE64_HI12, 86) 191 192 /* TLS-IE: 32/64 193 pcalau12i 194 %ie_pc_hi20 (sym). */ 195 RELOC_NUMBER (R_LARCH_TLS_IE_PC_HI20, 87) 196 RELOC_NUMBER (R_LARCH_TLS_IE_PC_LO12, 88) 197 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_LO20, 89) 198 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_HI12, 90) 199 200 /* TLS-IE: 32/64: ABS 201 lu12i.w 202 %ie_hi20 (sym). */ 203 RELOC_NUMBER (R_LARCH_TLS_IE_HI20, 91) 204 RELOC_NUMBER (R_LARCH_TLS_IE_LO12, 92) 205 RELOC_NUMBER (R_LARCH_TLS_IE64_LO20, 93) 206 RELOC_NUMBER (R_LARCH_TLS_IE64_HI12, 94) 207 208 /* TLS-LD: 32/64 209 pcalau12i 210 %ld_pc_hi20 (sym). */ 211 RELOC_NUMBER (R_LARCH_TLS_LD_PC_HI20, 95) 212 /* TLS-LD: 32/64: ABS 213 lu12i.w 214 %ld_hi20 (sym). */ 215 RELOC_NUMBER (R_LARCH_TLS_LD_HI20, 96) 216 217 /* TLS-GD: 32/64 218 pcalau12i 219 %gd_pc_hi20 (sym). */ 220 RELOC_NUMBER (R_LARCH_TLS_GD_PC_HI20, 97) 221 /* TLS-GD: 32/64: ABS 222 lu12i.w 223 %gd_hi20 (sym). */ 224 RELOC_NUMBER (R_LARCH_TLS_GD_HI20, 98) 225 226 /* For eh_frame and debug info. */ 227 RELOC_NUMBER (R_LARCH_32_PCREL, 99) 228 229 /* RELAX. */ 230 RELOC_NUMBER (R_LARCH_RELAX, 100) 231 232 END_RELOC_NUMBERS (R_LARCH_count) 233 234 /* Processor specific flags for the ELF header e_flags field. */ 235 /* Base ABI modifier, 3bits. */ 236 #define EF_LOONGARCH_ABI_SOFT_FLOAT 0x1 237 #define EF_LOONGARCH_ABI_SINGLE_FLOAT 0x2 238 #define EF_LOONGARCH_ABI_DOUBLE_FLOAT 0x3 239 #define EF_LOONGARCH_ABI_MODIFIER_MASK 0x7 240 241 #define EF_LOONGARCH_OBJABI_V1 0x40 242 #define EF_LOONGARCH_OBJABI_MASK 0xC0 243 244 #define EF_LOONGARCH_ABI_MASK \ 245 (EF_LOONGARCH_OBJABI_MASK | EF_LOONGARCH_ABI_MODIFIER_MASK) 246 247 #define EF_LOONGARCH_ABI_MODIFIER(abi) \ 248 (EF_LOONGARCH_ABI_MODIFIER_MASK & (abi)) 249 #define EF_LOONGARCH_OBJABI(abi) \ 250 (EF_LOONGARCH_OBJABI_MASK & (abi)) 251 252 #define EF_LOONGARCH_ABI(abi) ((abi) & EF_LOONGARCH_ABI_MASK) 253 254 #define EF_LOONGARCH_IS_SOFT_FLOAT(abi) \ 255 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SOFT_FLOAT) 256 #define EF_LOONGARCH_IS_SINGLE_FLOAT(abi) \ 257 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SINGLE_FLOAT) 258 #define EF_LOONGARCH_IS_DOUBLE_FLOAT(abi) \ 259 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_DOUBLE_FLOAT) 260 261 #define EF_LOONGARCH_IS_OBJ_V0(abi) (!EF_LOONGARCH_OBJABI (abi)) 262 #define EF_LOONGARCH_IS_OBJ_V1(abi) \ 263 (EF_LOONGARCH_OBJABI (abi) == EF_LOONGARCH_OBJABI_V1) 264 265 #endif /* _ELF_LOONGARCH_H */ 266