1 /* Copyright (C) 2021-2024 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 RELOC_NUMBER (R_LARCH_TLS_DESC32, 13) 42 RELOC_NUMBER (R_LARCH_TLS_DESC64, 14) 43 /* Reserved for future relocs that the dynamic linker must understand. */ 44 45 /* Used by the static linker for relocating .text. */ 46 RELOC_NUMBER (R_LARCH_MARK_LA, 20) 47 RELOC_NUMBER (R_LARCH_MARK_PCREL, 21) 48 49 RELOC_NUMBER (R_LARCH_SOP_PUSH_PCREL, 22) 50 51 RELOC_NUMBER (R_LARCH_SOP_PUSH_ABSOLUTE, 23) 52 53 RELOC_NUMBER (R_LARCH_SOP_PUSH_DUP, 24) 54 RELOC_NUMBER (R_LARCH_SOP_PUSH_GPREL, 25) 55 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_TPREL, 26) 56 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GOT, 27) 57 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GD, 28) 58 RELOC_NUMBER (R_LARCH_SOP_PUSH_PLT_PCREL, 29) 59 60 RELOC_NUMBER (R_LARCH_SOP_ASSERT, 30) 61 RELOC_NUMBER (R_LARCH_SOP_NOT, 31) 62 RELOC_NUMBER (R_LARCH_SOP_SUB, 32) 63 RELOC_NUMBER (R_LARCH_SOP_SL, 33) 64 RELOC_NUMBER (R_LARCH_SOP_SR, 34) 65 RELOC_NUMBER (R_LARCH_SOP_ADD, 35) 66 RELOC_NUMBER (R_LARCH_SOP_AND, 36) 67 RELOC_NUMBER (R_LARCH_SOP_IF_ELSE, 37) 68 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_5, 38) 69 RELOC_NUMBER (R_LARCH_SOP_POP_32_U_10_12, 39) 70 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_12, 40) 71 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16, 41) 72 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16_S2, 42) 73 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_5_20, 43) 74 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_5_10_16_S2, 44) 75 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_10_10_16_S2, 45) 76 RELOC_NUMBER (R_LARCH_SOP_POP_32_U, 46) 77 78 /* Used by the static linker for relocating non .text. */ 79 RELOC_NUMBER (R_LARCH_ADD8, 47) 80 RELOC_NUMBER (R_LARCH_ADD16, 48) 81 RELOC_NUMBER (R_LARCH_ADD24, 49) 82 RELOC_NUMBER (R_LARCH_ADD32, 50) 83 RELOC_NUMBER (R_LARCH_ADD64, 51) 84 RELOC_NUMBER (R_LARCH_SUB8, 52) 85 RELOC_NUMBER (R_LARCH_SUB16, 53) 86 RELOC_NUMBER (R_LARCH_SUB24, 54) 87 RELOC_NUMBER (R_LARCH_SUB32, 55) 88 RELOC_NUMBER (R_LARCH_SUB64, 56) 89 90 /* I don't know what it is. Existing in almost all other arch. */ 91 RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57) 92 RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58) 93 94 95 /* B16: 96 beq/bne/blt/bge/bltu/bgeu/jirl 97 %b16 (sym). */ 98 RELOC_NUMBER (R_LARCH_B16, 64) 99 /* B21: 100 beqz/bnez 101 %b16 (sym). */ 102 RELOC_NUMBER (R_LARCH_B21, 65) 103 /* B26: 104 b/bl 105 %b26 (sym) or %plt (sym). */ 106 RELOC_NUMBER (R_LARCH_B26, 66) 107 108 /* ABS: 32/64 109 lu12i.w 110 %abs_hi20 (sym). */ 111 RELOC_NUMBER (R_LARCH_ABS_HI20, 67) 112 /* ABS: 32/64 113 ori 114 %abs_lo12 (sym). */ 115 RELOC_NUMBER (R_LARCH_ABS_LO12, 68) 116 117 /* ABS: 64 118 lu32i.d 119 %abs64_lo20 (sym). */ 120 RELOC_NUMBER (R_LARCH_ABS64_LO20, 69) 121 /* ABS: 64 122 lu52i.d 123 %abs64_hi12 (sym). */ 124 RELOC_NUMBER (R_LARCH_ABS64_HI12, 70) 125 126 /* PCREL: 32/64 127 pcalau12i 128 %pc_hi20 (sym). */ 129 RELOC_NUMBER (R_LARCH_PCALA_HI20, 71) 130 /* PCREL: 32/64 131 addi.w/addi.d 132 %pc_lo12 (sym). */ 133 RELOC_NUMBER (R_LARCH_PCALA_LO12, 72) 134 /* PCREL: 64 135 lu32i.d 136 %pc64_lo20 (sym). */ 137 RELOC_NUMBER (R_LARCH_PCALA64_LO20, 73) 138 /* PCREL: 64 139 lu52i.d 140 %pc64_hi12 (sym). */ 141 RELOC_NUMBER (R_LARCH_PCALA64_HI12, 74) 142 143 /* GOT: 32/64 144 pcalau12i 145 %got_pc_hi20 (got). */ 146 RELOC_NUMBER (R_LARCH_GOT_PC_HI20, 75) 147 /* GOT: 32/64 148 ld.w/ld.d 149 %got_pc_lo12 (got). */ 150 RELOC_NUMBER (R_LARCH_GOT_PC_LO12, 76) 151 /* GOT: 32/64 152 lu32i.d 153 %got_pc_lo12 (got). */ 154 RELOC_NUMBER (R_LARCH_GOT64_PC_LO20, 77) 155 /* GOT64: PCREL 156 lu52i.d 157 %got64_pc_hi12 (got). */ 158 RELOC_NUMBER (R_LARCH_GOT64_PC_HI12, 78) 159 /* GOT32/64: ABS 160 lu12i.w 161 %got_hi20 (got). */ 162 RELOC_NUMBER (R_LARCH_GOT_HI20, 79) 163 /* GOT: 32/64: ABS 164 ori 165 %got_lo12 (got). */ 166 RELOC_NUMBER (R_LARCH_GOT_LO12, 80) 167 /* GOT64: ABS 168 lu32i.d 169 %got64_lo20 (got). */ 170 RELOC_NUMBER (R_LARCH_GOT64_LO20, 81) 171 /* GOT64: ABS 172 lu52i.d 173 %got64_hi12 (got). */ 174 RELOC_NUMBER (R_LARCH_GOT64_HI12, 82) 175 176 /* TLS-LE: 32/64 177 lu12i.w 178 %le_hi20 (sym). */ 179 RELOC_NUMBER (R_LARCH_TLS_LE_HI20, 83) 180 /* TLS-LE: 32/64 181 ori 182 %le_lo12 (sym). */ 183 RELOC_NUMBER (R_LARCH_TLS_LE_LO12, 84) 184 /* TLS-LE: 64 185 lu32i.d 186 %le64_lo20 (sym). */ 187 RELOC_NUMBER (R_LARCH_TLS_LE64_LO20, 85) 188 /* TLS-LE: 64 189 lu52i.d 190 %le64_hi12 (sym). */ 191 RELOC_NUMBER (R_LARCH_TLS_LE64_HI12, 86) 192 193 /* TLS-IE: 32/64 194 pcalau12i 195 %ie_pc_hi20 (sym). */ 196 RELOC_NUMBER (R_LARCH_TLS_IE_PC_HI20, 87) 197 RELOC_NUMBER (R_LARCH_TLS_IE_PC_LO12, 88) 198 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_LO20, 89) 199 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_HI12, 90) 200 201 /* TLS-IE: 32/64: ABS 202 lu12i.w 203 %ie_hi20 (sym). */ 204 RELOC_NUMBER (R_LARCH_TLS_IE_HI20, 91) 205 RELOC_NUMBER (R_LARCH_TLS_IE_LO12, 92) 206 RELOC_NUMBER (R_LARCH_TLS_IE64_LO20, 93) 207 RELOC_NUMBER (R_LARCH_TLS_IE64_HI12, 94) 208 209 /* TLS-LD: 32/64 210 pcalau12i 211 %ld_pc_hi20 (sym). */ 212 RELOC_NUMBER (R_LARCH_TLS_LD_PC_HI20, 95) 213 /* TLS-LD: 32/64: ABS 214 lu12i.w 215 %ld_hi20 (sym). */ 216 RELOC_NUMBER (R_LARCH_TLS_LD_HI20, 96) 217 218 /* TLS-GD: 32/64 219 pcalau12i 220 %gd_pc_hi20 (sym). */ 221 RELOC_NUMBER (R_LARCH_TLS_GD_PC_HI20, 97) 222 /* TLS-GD: 32/64: ABS 223 lu12i.w 224 %gd_hi20 (sym). */ 225 RELOC_NUMBER (R_LARCH_TLS_GD_HI20, 98) 226 227 /* For eh_frame and debug info. */ 228 RELOC_NUMBER (R_LARCH_32_PCREL, 99) 229 230 /* RELAX. */ 231 RELOC_NUMBER (R_LARCH_RELAX, 100) 232 233 /* relax delete. */ 234 RELOC_NUMBER (R_LARCH_DELETE, 101) 235 236 /* relax align. */ 237 RELOC_NUMBER (R_LARCH_ALIGN, 102) 238 239 /* pcaddi. */ 240 RELOC_NUMBER (R_LARCH_PCREL20_S2, 103) 241 242 /* cfa. */ 243 RELOC_NUMBER (R_LARCH_CFA, 104) 244 245 /* DW_CFA_advance_loc. */ 246 RELOC_NUMBER (R_LARCH_ADD6, 105) 247 RELOC_NUMBER (R_LARCH_SUB6, 106) 248 249 /* unsigned leb128. */ 250 RELOC_NUMBER (R_LARCH_ADD_ULEB128, 107) 251 RELOC_NUMBER (R_LARCH_SUB_ULEB128, 108) 252 253 RELOC_NUMBER (R_LARCH_64_PCREL, 109) 254 255 RELOC_NUMBER (R_LARCH_CALL36, 110) 256 257 /* TLS_DESC PCREL. */ 258 RELOC_NUMBER (R_LARCH_TLS_DESC_PC_HI20, 111) 259 RELOC_NUMBER (R_LARCH_TLS_DESC_PC_LO12, 112) 260 261 /* TLS_DESC LARGE PCREL. */ 262 RELOC_NUMBER (R_LARCH_TLS_DESC64_PC_LO20, 113) 263 RELOC_NUMBER (R_LARCH_TLS_DESC64_PC_HI12, 114) 264 265 /* TLS_DESC ABS. */ 266 RELOC_NUMBER (R_LARCH_TLS_DESC_HI20, 115) 267 RELOC_NUMBER (R_LARCH_TLS_DESC_LO12, 116) 268 269 /* TLSDESC LARGE ABS. */ 270 RELOC_NUMBER (R_LARCH_TLS_DESC64_LO20, 117) 271 RELOC_NUMBER (R_LARCH_TLS_DESC64_HI12, 118) 272 273 RELOC_NUMBER (R_LARCH_TLS_DESC_LD, 119) 274 RELOC_NUMBER (R_LARCH_TLS_DESC_CALL, 120) 275 276 /* TLS-LE-LUI 277 lu12i.w rd,%le_hi20_r (sym). */ 278 RELOC_NUMBER (R_LARCH_TLS_LE_HI20_R, 121) 279 280 /* TLS-LE-ADD 281 add.d rd,rj,rk,%le_add_r (sym). */ 282 RELOC_NUMBER (R_LARCH_TLS_LE_ADD_R, 122) 283 284 /* TLS-LE-ST 285 st.w/addi.w/ld.w rd,rj,%le_lo12_r (sym). */ 286 RELOC_NUMBER (R_LARCH_TLS_LE_LO12_R, 123) 287 288 RELOC_NUMBER (R_LARCH_TLS_LD_PCREL20_S2, 124) 289 RELOC_NUMBER (R_LARCH_TLS_GD_PCREL20_S2, 125) 290 RELOC_NUMBER (R_LARCH_TLS_DESC_PCREL20_S2, 126) 291 292 END_RELOC_NUMBERS (R_LARCH_count) 293 294 /* Processor specific flags for the ELF header e_flags field. */ 295 /* Base ABI modifier, 3bits. */ 296 #define EF_LOONGARCH_ABI_SOFT_FLOAT 0x1 297 #define EF_LOONGARCH_ABI_SINGLE_FLOAT 0x2 298 #define EF_LOONGARCH_ABI_DOUBLE_FLOAT 0x3 299 #define EF_LOONGARCH_ABI_MODIFIER_MASK 0x7 300 301 #define EF_LOONGARCH_OBJABI_V1 0x40 302 #define EF_LOONGARCH_OBJABI_MASK 0xC0 303 304 #define EF_LOONGARCH_ABI_MASK \ 305 (EF_LOONGARCH_OBJABI_MASK | EF_LOONGARCH_ABI_MODIFIER_MASK) 306 307 #define EF_LOONGARCH_ABI_MODIFIER(abi) \ 308 (EF_LOONGARCH_ABI_MODIFIER_MASK & (abi)) 309 #define EF_LOONGARCH_OBJABI(abi) \ 310 (EF_LOONGARCH_OBJABI_MASK & (abi)) 311 312 #define EF_LOONGARCH_ABI(abi) ((abi) & EF_LOONGARCH_ABI_MASK) 313 314 #define EF_LOONGARCH_IS_SOFT_FLOAT(abi) \ 315 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SOFT_FLOAT) 316 #define EF_LOONGARCH_IS_SINGLE_FLOAT(abi) \ 317 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SINGLE_FLOAT) 318 #define EF_LOONGARCH_IS_DOUBLE_FLOAT(abi) \ 319 (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_DOUBLE_FLOAT) 320 321 #define EF_LOONGARCH_IS_OBJ_V0(abi) (!EF_LOONGARCH_OBJABI (abi)) 322 #define EF_LOONGARCH_IS_OBJ_V1(abi) \ 323 (EF_LOONGARCH_OBJABI (abi) == EF_LOONGARCH_OBJABI_V1) 324 325 #endif /* _ELF_LOONGARCH_H */ 326