| 1 | /* RISC-V-specific support for ELF. |
| 2 | Copyright (C) 2011-2017 Free Software Foundation, Inc. |
| 3 | |
| 4 | Contributed by Andrew Waterman (andrew@sifive.com). |
| 5 | Based on TILE-Gx and MIPS targets. |
| 6 | |
| 7 | This file is part of BFD, the Binary File Descriptor library. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; see the file COPYING3. If not, |
| 21 | see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | #include "sysdep.h" |
| 24 | #include "bfd.h" |
| 25 | #include "libbfd.h" |
| 26 | #include "elf-bfd.h" |
| 27 | #include "elf/riscv.h" |
| 28 | #include "opcode/riscv.h" |
| 29 | #include "libiberty.h" |
| 30 | #include "elfxx-riscv.h" |
| 31 | #include <stdint.h> |
| 32 | |
| 33 | #define MINUS_ONE ((bfd_vma)0 - 1) |
| 34 | |
| 35 | /* The relocation table used for SHT_RELA sections. */ |
| 36 | |
| 37 | static reloc_howto_type howto_table[] = |
| 38 | { |
| 39 | /* No relocation. */ |
| 40 | HOWTO (R_RISCV_NONE, /* type */ |
| 41 | 0, /* rightshift */ |
| 42 | 3, /* size */ |
| 43 | 0, /* bitsize */ |
| 44 | FALSE, /* pc_relative */ |
| 45 | 0, /* bitpos */ |
| 46 | complain_overflow_dont, /* complain_on_overflow */ |
| 47 | bfd_elf_generic_reloc, /* special_function */ |
| 48 | "R_RISCV_NONE", /* name */ |
| 49 | FALSE, /* partial_inplace */ |
| 50 | 0, /* src_mask */ |
| 51 | 0, /* dst_mask */ |
| 52 | FALSE), /* pcrel_offset */ |
| 53 | |
| 54 | /* 32 bit relocation. */ |
| 55 | HOWTO (R_RISCV_32, /* type */ |
| 56 | 0, /* rightshift */ |
| 57 | 2, /* size */ |
| 58 | 32, /* bitsize */ |
| 59 | FALSE, /* pc_relative */ |
| 60 | 0, /* bitpos */ |
| 61 | complain_overflow_dont, /* complain_on_overflow */ |
| 62 | bfd_elf_generic_reloc, /* special_function */ |
| 63 | "R_RISCV_32", /* name */ |
| 64 | FALSE, /* partial_inplace */ |
| 65 | 0, /* src_mask */ |
| 66 | MINUS_ONE, /* dst_mask */ |
| 67 | FALSE), /* pcrel_offset */ |
| 68 | |
| 69 | /* 64 bit relocation. */ |
| 70 | HOWTO (R_RISCV_64, /* type */ |
| 71 | 0, /* rightshift */ |
| 72 | 4, /* size */ |
| 73 | 64, /* bitsize */ |
| 74 | FALSE, /* pc_relative */ |
| 75 | 0, /* bitpos */ |
| 76 | complain_overflow_dont, /* complain_on_overflow */ |
| 77 | bfd_elf_generic_reloc, /* special_function */ |
| 78 | "R_RISCV_64", /* name */ |
| 79 | FALSE, /* partial_inplace */ |
| 80 | 0, /* src_mask */ |
| 81 | MINUS_ONE, /* dst_mask */ |
| 82 | FALSE), /* pcrel_offset */ |
| 83 | |
| 84 | /* Relocation against a local symbol in a shared object. */ |
| 85 | HOWTO (R_RISCV_RELATIVE, /* type */ |
| 86 | 0, /* rightshift */ |
| 87 | 2, /* size */ |
| 88 | 32, /* bitsize */ |
| 89 | FALSE, /* pc_relative */ |
| 90 | 0, /* bitpos */ |
| 91 | complain_overflow_dont, /* complain_on_overflow */ |
| 92 | bfd_elf_generic_reloc, /* special_function */ |
| 93 | "R_RISCV_RELATIVE", /* name */ |
| 94 | FALSE, /* partial_inplace */ |
| 95 | 0, /* src_mask */ |
| 96 | MINUS_ONE, /* dst_mask */ |
| 97 | FALSE), /* pcrel_offset */ |
| 98 | |
| 99 | HOWTO (R_RISCV_COPY, /* type */ |
| 100 | 0, /* rightshift */ |
| 101 | 0, /* this one is variable size */ |
| 102 | 0, /* bitsize */ |
| 103 | FALSE, /* pc_relative */ |
| 104 | 0, /* bitpos */ |
| 105 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 106 | bfd_elf_generic_reloc, /* special_function */ |
| 107 | "R_RISCV_COPY", /* name */ |
| 108 | FALSE, /* partial_inplace */ |
| 109 | 0, /* src_mask */ |
| 110 | 0, /* dst_mask */ |
| 111 | FALSE), /* pcrel_offset */ |
| 112 | |
| 113 | HOWTO (R_RISCV_JUMP_SLOT, /* type */ |
| 114 | 0, /* rightshift */ |
| 115 | 4, /* size */ |
| 116 | 64, /* bitsize */ |
| 117 | FALSE, /* pc_relative */ |
| 118 | 0, /* bitpos */ |
| 119 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 120 | bfd_elf_generic_reloc, /* special_function */ |
| 121 | "R_RISCV_JUMP_SLOT", /* name */ |
| 122 | FALSE, /* partial_inplace */ |
| 123 | 0, /* src_mask */ |
| 124 | 0, /* dst_mask */ |
| 125 | FALSE), /* pcrel_offset */ |
| 126 | |
| 127 | /* Dynamic TLS relocations. */ |
| 128 | HOWTO (R_RISCV_TLS_DTPMOD32, /* type */ |
| 129 | 0, /* rightshift */ |
| 130 | 4, /* size */ |
| 131 | 32, /* bitsize */ |
| 132 | FALSE, /* pc_relative */ |
| 133 | 0, /* bitpos */ |
| 134 | complain_overflow_dont, /* complain_on_overflow */ |
| 135 | bfd_elf_generic_reloc, /* special_function */ |
| 136 | "R_RISCV_TLS_DTPMOD32", /* name */ |
| 137 | FALSE, /* partial_inplace */ |
| 138 | 0, /* src_mask */ |
| 139 | MINUS_ONE, /* dst_mask */ |
| 140 | FALSE), /* pcrel_offset */ |
| 141 | |
| 142 | HOWTO (R_RISCV_TLS_DTPMOD64, /* type */ |
| 143 | 0, /* rightshift */ |
| 144 | 4, /* size */ |
| 145 | 64, /* bitsize */ |
| 146 | FALSE, /* pc_relative */ |
| 147 | 0, /* bitpos */ |
| 148 | complain_overflow_dont, /* complain_on_overflow */ |
| 149 | bfd_elf_generic_reloc, /* special_function */ |
| 150 | "R_RISCV_TLS_DTPMOD64", /* name */ |
| 151 | FALSE, /* partial_inplace */ |
| 152 | 0, /* src_mask */ |
| 153 | MINUS_ONE, /* dst_mask */ |
| 154 | FALSE), /* pcrel_offset */ |
| 155 | |
| 156 | HOWTO (R_RISCV_TLS_DTPREL32, /* type */ |
| 157 | 0, /* rightshift */ |
| 158 | 4, /* size */ |
| 159 | 32, /* bitsize */ |
| 160 | FALSE, /* pc_relative */ |
| 161 | 0, /* bitpos */ |
| 162 | complain_overflow_dont, /* complain_on_overflow */ |
| 163 | bfd_elf_generic_reloc, /* special_function */ |
| 164 | "R_RISCV_TLS_DTPREL32", /* name */ |
| 165 | TRUE, /* partial_inplace */ |
| 166 | 0, /* src_mask */ |
| 167 | MINUS_ONE, /* dst_mask */ |
| 168 | FALSE), /* pcrel_offset */ |
| 169 | |
| 170 | HOWTO (R_RISCV_TLS_DTPREL64, /* type */ |
| 171 | 0, /* rightshift */ |
| 172 | 4, /* size */ |
| 173 | 64, /* bitsize */ |
| 174 | FALSE, /* pc_relative */ |
| 175 | 0, /* bitpos */ |
| 176 | complain_overflow_dont, /* complain_on_overflow */ |
| 177 | bfd_elf_generic_reloc, /* special_function */ |
| 178 | "R_RISCV_TLS_DTPREL64", /* name */ |
| 179 | TRUE, /* partial_inplace */ |
| 180 | 0, /* src_mask */ |
| 181 | MINUS_ONE, /* dst_mask */ |
| 182 | FALSE), /* pcrel_offset */ |
| 183 | |
| 184 | HOWTO (R_RISCV_TLS_TPREL32, /* type */ |
| 185 | 0, /* rightshift */ |
| 186 | 2, /* size */ |
| 187 | 32, /* bitsize */ |
| 188 | FALSE, /* pc_relative */ |
| 189 | 0, /* bitpos */ |
| 190 | complain_overflow_dont, /* complain_on_overflow */ |
| 191 | bfd_elf_generic_reloc, /* special_function */ |
| 192 | "R_RISCV_TLS_TPREL32", /* name */ |
| 193 | FALSE, /* partial_inplace */ |
| 194 | 0, /* src_mask */ |
| 195 | MINUS_ONE, /* dst_mask */ |
| 196 | FALSE), /* pcrel_offset */ |
| 197 | |
| 198 | HOWTO (R_RISCV_TLS_TPREL64, /* type */ |
| 199 | 0, /* rightshift */ |
| 200 | 4, /* size */ |
| 201 | 64, /* bitsize */ |
| 202 | FALSE, /* pc_relative */ |
| 203 | 0, /* bitpos */ |
| 204 | complain_overflow_dont, /* complain_on_overflow */ |
| 205 | bfd_elf_generic_reloc, /* special_function */ |
| 206 | "R_RISCV_TLS_TPREL64", /* name */ |
| 207 | FALSE, /* partial_inplace */ |
| 208 | 0, /* src_mask */ |
| 209 | MINUS_ONE, /* dst_mask */ |
| 210 | FALSE), /* pcrel_offset */ |
| 211 | |
| 212 | /* Reserved for future relocs that the dynamic linker must understand. */ |
| 213 | EMPTY_HOWTO (12), |
| 214 | EMPTY_HOWTO (13), |
| 215 | EMPTY_HOWTO (14), |
| 216 | EMPTY_HOWTO (15), |
| 217 | |
| 218 | /* 12-bit PC-relative branch offset. */ |
| 219 | HOWTO (R_RISCV_BRANCH, /* type */ |
| 220 | 0, /* rightshift */ |
| 221 | 2, /* size */ |
| 222 | 32, /* bitsize */ |
| 223 | TRUE, /* pc_relative */ |
| 224 | 0, /* bitpos */ |
| 225 | complain_overflow_signed, /* complain_on_overflow */ |
| 226 | bfd_elf_generic_reloc, /* special_function */ |
| 227 | "R_RISCV_BRANCH", /* name */ |
| 228 | FALSE, /* partial_inplace */ |
| 229 | 0, /* src_mask */ |
| 230 | ENCODE_SBTYPE_IMM (-1U), /* dst_mask */ |
| 231 | TRUE), /* pcrel_offset */ |
| 232 | |
| 233 | /* 20-bit PC-relative jump offset. */ |
| 234 | HOWTO (R_RISCV_JAL, /* type */ |
| 235 | 0, /* rightshift */ |
| 236 | 2, /* size */ |
| 237 | 32, /* bitsize */ |
| 238 | TRUE, /* pc_relative */ |
| 239 | 0, /* bitpos */ |
| 240 | complain_overflow_dont, /* complain_on_overflow */ |
| 241 | bfd_elf_generic_reloc, /* special_function */ |
| 242 | "R_RISCV_JAL", /* name */ |
| 243 | FALSE, /* partial_inplace */ |
| 244 | 0, /* src_mask */ |
| 245 | ENCODE_UJTYPE_IMM (-1U), /* dst_mask */ |
| 246 | TRUE), /* pcrel_offset */ |
| 247 | |
| 248 | /* 32-bit PC-relative function call (AUIPC/JALR). */ |
| 249 | HOWTO (R_RISCV_CALL, /* type */ |
| 250 | 0, /* rightshift */ |
| 251 | 2, /* size */ |
| 252 | 64, /* bitsize */ |
| 253 | TRUE, /* pc_relative */ |
| 254 | 0, /* bitpos */ |
| 255 | complain_overflow_dont, /* complain_on_overflow */ |
| 256 | bfd_elf_generic_reloc, /* special_function */ |
| 257 | "R_RISCV_CALL", /* name */ |
| 258 | FALSE, /* partial_inplace */ |
| 259 | 0, /* src_mask */ |
| 260 | ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), |
| 261 | /* dst_mask */ |
| 262 | TRUE), /* pcrel_offset */ |
| 263 | |
| 264 | /* Like R_RISCV_CALL, but not locally binding. */ |
| 265 | HOWTO (R_RISCV_CALL_PLT, /* type */ |
| 266 | 0, /* rightshift */ |
| 267 | 2, /* size */ |
| 268 | 64, /* bitsize */ |
| 269 | TRUE, /* pc_relative */ |
| 270 | 0, /* bitpos */ |
| 271 | complain_overflow_dont, /* complain_on_overflow */ |
| 272 | bfd_elf_generic_reloc, /* special_function */ |
| 273 | "R_RISCV_CALL_PLT", /* name */ |
| 274 | FALSE, /* partial_inplace */ |
| 275 | 0, /* src_mask */ |
| 276 | ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), |
| 277 | /* dst_mask */ |
| 278 | TRUE), /* pcrel_offset */ |
| 279 | |
| 280 | /* High 20 bits of 32-bit PC-relative GOT access. */ |
| 281 | HOWTO (R_RISCV_GOT_HI20, /* type */ |
| 282 | 0, /* rightshift */ |
| 283 | 2, /* size */ |
| 284 | 32, /* bitsize */ |
| 285 | TRUE, /* pc_relative */ |
| 286 | 0, /* bitpos */ |
| 287 | complain_overflow_dont, /* complain_on_overflow */ |
| 288 | bfd_elf_generic_reloc, /* special_function */ |
| 289 | "R_RISCV_GOT_HI20", /* name */ |
| 290 | FALSE, /* partial_inplace */ |
| 291 | 0, /* src_mask */ |
| 292 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 293 | FALSE), /* pcrel_offset */ |
| 294 | |
| 295 | /* High 20 bits of 32-bit PC-relative TLS IE GOT access. */ |
| 296 | HOWTO (R_RISCV_TLS_GOT_HI20, /* type */ |
| 297 | 0, /* rightshift */ |
| 298 | 2, /* size */ |
| 299 | 32, /* bitsize */ |
| 300 | TRUE, /* pc_relative */ |
| 301 | 0, /* bitpos */ |
| 302 | complain_overflow_dont, /* complain_on_overflow */ |
| 303 | bfd_elf_generic_reloc, /* special_function */ |
| 304 | "R_RISCV_TLS_GOT_HI20", /* name */ |
| 305 | FALSE, /* partial_inplace */ |
| 306 | 0, /* src_mask */ |
| 307 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 308 | FALSE), /* pcrel_offset */ |
| 309 | |
| 310 | /* High 20 bits of 32-bit PC-relative TLS GD GOT reference. */ |
| 311 | HOWTO (R_RISCV_TLS_GD_HI20, /* type */ |
| 312 | 0, /* rightshift */ |
| 313 | 2, /* size */ |
| 314 | 32, /* bitsize */ |
| 315 | TRUE, /* pc_relative */ |
| 316 | 0, /* bitpos */ |
| 317 | complain_overflow_dont, /* complain_on_overflow */ |
| 318 | bfd_elf_generic_reloc, /* special_function */ |
| 319 | "R_RISCV_TLS_GD_HI20", /* name */ |
| 320 | FALSE, /* partial_inplace */ |
| 321 | 0, /* src_mask */ |
| 322 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 323 | FALSE), /* pcrel_offset */ |
| 324 | |
| 325 | /* High 20 bits of 32-bit PC-relative reference. */ |
| 326 | HOWTO (R_RISCV_PCREL_HI20, /* type */ |
| 327 | 0, /* rightshift */ |
| 328 | 2, /* size */ |
| 329 | 32, /* bitsize */ |
| 330 | TRUE, /* pc_relative */ |
| 331 | 0, /* bitpos */ |
| 332 | complain_overflow_dont, /* complain_on_overflow */ |
| 333 | bfd_elf_generic_reloc, /* special_function */ |
| 334 | "R_RISCV_PCREL_HI20", /* name */ |
| 335 | FALSE, /* partial_inplace */ |
| 336 | 0, /* src_mask */ |
| 337 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 338 | TRUE), /* pcrel_offset */ |
| 339 | |
| 340 | /* Low 12 bits of a 32-bit PC-relative load or add. */ |
| 341 | HOWTO (R_RISCV_PCREL_LO12_I, /* type */ |
| 342 | 0, /* rightshift */ |
| 343 | 2, /* size */ |
| 344 | 32, /* bitsize */ |
| 345 | FALSE, /* pc_relative */ |
| 346 | 0, /* bitpos */ |
| 347 | complain_overflow_dont, /* complain_on_overflow */ |
| 348 | bfd_elf_generic_reloc, /* special_function */ |
| 349 | "R_RISCV_PCREL_LO12_I", /* name */ |
| 350 | FALSE, /* partial_inplace */ |
| 351 | 0, /* src_mask */ |
| 352 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ |
| 353 | FALSE), /* pcrel_offset */ |
| 354 | |
| 355 | /* Low 12 bits of a 32-bit PC-relative store. */ |
| 356 | HOWTO (R_RISCV_PCREL_LO12_S, /* type */ |
| 357 | 0, /* rightshift */ |
| 358 | 2, /* size */ |
| 359 | 32, /* bitsize */ |
| 360 | FALSE, /* pc_relative */ |
| 361 | 0, /* bitpos */ |
| 362 | complain_overflow_dont, /* complain_on_overflow */ |
| 363 | bfd_elf_generic_reloc, /* special_function */ |
| 364 | "R_RISCV_PCREL_LO12_S", /* name */ |
| 365 | FALSE, /* partial_inplace */ |
| 366 | 0, /* src_mask */ |
| 367 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ |
| 368 | FALSE), /* pcrel_offset */ |
| 369 | |
| 370 | /* High 20 bits of 32-bit absolute address. */ |
| 371 | HOWTO (R_RISCV_HI20, /* type */ |
| 372 | 0, /* rightshift */ |
| 373 | 2, /* size */ |
| 374 | 32, /* bitsize */ |
| 375 | FALSE, /* pc_relative */ |
| 376 | 0, /* bitpos */ |
| 377 | complain_overflow_dont, /* complain_on_overflow */ |
| 378 | bfd_elf_generic_reloc, /* special_function */ |
| 379 | "R_RISCV_HI20", /* name */ |
| 380 | FALSE, /* partial_inplace */ |
| 381 | 0, /* src_mask */ |
| 382 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 383 | FALSE), /* pcrel_offset */ |
| 384 | |
| 385 | /* High 12 bits of 32-bit load or add. */ |
| 386 | HOWTO (R_RISCV_LO12_I, /* type */ |
| 387 | 0, /* rightshift */ |
| 388 | 2, /* size */ |
| 389 | 32, /* bitsize */ |
| 390 | FALSE, /* pc_relative */ |
| 391 | 0, /* bitpos */ |
| 392 | complain_overflow_dont, /* complain_on_overflow */ |
| 393 | bfd_elf_generic_reloc, /* special_function */ |
| 394 | "R_RISCV_LO12_I", /* name */ |
| 395 | FALSE, /* partial_inplace */ |
| 396 | 0, /* src_mask */ |
| 397 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ |
| 398 | FALSE), /* pcrel_offset */ |
| 399 | |
| 400 | /* High 12 bits of 32-bit store. */ |
| 401 | HOWTO (R_RISCV_LO12_S, /* type */ |
| 402 | 0, /* rightshift */ |
| 403 | 2, /* size */ |
| 404 | 32, /* bitsize */ |
| 405 | FALSE, /* pc_relative */ |
| 406 | 0, /* bitpos */ |
| 407 | complain_overflow_dont, /* complain_on_overflow */ |
| 408 | bfd_elf_generic_reloc, /* special_function */ |
| 409 | "R_RISCV_LO12_S", /* name */ |
| 410 | FALSE, /* partial_inplace */ |
| 411 | 0, /* src_mask */ |
| 412 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ |
| 413 | FALSE), /* pcrel_offset */ |
| 414 | |
| 415 | /* High 20 bits of TLS LE thread pointer offset. */ |
| 416 | HOWTO (R_RISCV_TPREL_HI20, /* type */ |
| 417 | 0, /* rightshift */ |
| 418 | 2, /* size */ |
| 419 | 32, /* bitsize */ |
| 420 | FALSE, /* pc_relative */ |
| 421 | 0, /* bitpos */ |
| 422 | complain_overflow_signed, /* complain_on_overflow */ |
| 423 | bfd_elf_generic_reloc, /* special_function */ |
| 424 | "R_RISCV_TPREL_HI20", /* name */ |
| 425 | TRUE, /* partial_inplace */ |
| 426 | 0, /* src_mask */ |
| 427 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ |
| 428 | FALSE), /* pcrel_offset */ |
| 429 | |
| 430 | /* Low 12 bits of TLS LE thread pointer offset for loads and adds. */ |
| 431 | HOWTO (R_RISCV_TPREL_LO12_I, /* type */ |
| 432 | 0, /* rightshift */ |
| 433 | 2, /* size */ |
| 434 | 32, /* bitsize */ |
| 435 | FALSE, /* pc_relative */ |
| 436 | 0, /* bitpos */ |
| 437 | complain_overflow_signed, /* complain_on_overflow */ |
| 438 | bfd_elf_generic_reloc, /* special_function */ |
| 439 | "R_RISCV_TPREL_LO12_I", /* name */ |
| 440 | FALSE, /* partial_inplace */ |
| 441 | 0, /* src_mask */ |
| 442 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ |
| 443 | FALSE), /* pcrel_offset */ |
| 444 | |
| 445 | /* Low 12 bits of TLS LE thread pointer offset for stores. */ |
| 446 | HOWTO (R_RISCV_TPREL_LO12_S, /* type */ |
| 447 | 0, /* rightshift */ |
| 448 | 2, /* size */ |
| 449 | 32, /* bitsize */ |
| 450 | FALSE, /* pc_relative */ |
| 451 | 0, /* bitpos */ |
| 452 | complain_overflow_signed, /* complain_on_overflow */ |
| 453 | bfd_elf_generic_reloc, /* special_function */ |
| 454 | "R_RISCV_TPREL_LO12_S", /* name */ |
| 455 | FALSE, /* partial_inplace */ |
| 456 | 0, /* src_mask */ |
| 457 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ |
| 458 | FALSE), /* pcrel_offset */ |
| 459 | |
| 460 | /* TLS LE thread pointer usage. May be relaxed. */ |
| 461 | HOWTO (R_RISCV_TPREL_ADD, /* type */ |
| 462 | 0, /* rightshift */ |
| 463 | 2, /* size */ |
| 464 | 32, /* bitsize */ |
| 465 | FALSE, /* pc_relative */ |
| 466 | 0, /* bitpos */ |
| 467 | complain_overflow_dont, /* complain_on_overflow */ |
| 468 | bfd_elf_generic_reloc, /* special_function */ |
| 469 | "R_RISCV_TPREL_ADD", /* name */ |
| 470 | TRUE, /* partial_inplace */ |
| 471 | 0, /* src_mask */ |
| 472 | 0, /* dst_mask */ |
| 473 | FALSE), /* pcrel_offset */ |
| 474 | |
| 475 | /* 8-bit in-place addition, for local label subtraction. */ |
| 476 | HOWTO (R_RISCV_ADD8, /* type */ |
| 477 | 0, /* rightshift */ |
| 478 | 0, /* size */ |
| 479 | 8, /* bitsize */ |
| 480 | FALSE, /* pc_relative */ |
| 481 | 0, /* bitpos */ |
| 482 | complain_overflow_dont, /* complain_on_overflow */ |
| 483 | bfd_elf_generic_reloc, /* special_function */ |
| 484 | "R_RISCV_ADD8", /* name */ |
| 485 | FALSE, /* partial_inplace */ |
| 486 | 0, /* src_mask */ |
| 487 | MINUS_ONE, /* dst_mask */ |
| 488 | FALSE), /* pcrel_offset */ |
| 489 | |
| 490 | /* 16-bit in-place addition, for local label subtraction. */ |
| 491 | HOWTO (R_RISCV_ADD16, /* type */ |
| 492 | 0, /* rightshift */ |
| 493 | 1, /* size */ |
| 494 | 16, /* bitsize */ |
| 495 | FALSE, /* pc_relative */ |
| 496 | 0, /* bitpos */ |
| 497 | complain_overflow_dont, /* complain_on_overflow */ |
| 498 | bfd_elf_generic_reloc, /* special_function */ |
| 499 | "R_RISCV_ADD16", /* name */ |
| 500 | FALSE, /* partial_inplace */ |
| 501 | 0, /* src_mask */ |
| 502 | MINUS_ONE, /* dst_mask */ |
| 503 | FALSE), /* pcrel_offset */ |
| 504 | |
| 505 | /* 32-bit in-place addition, for local label subtraction. */ |
| 506 | HOWTO (R_RISCV_ADD32, /* type */ |
| 507 | 0, /* rightshift */ |
| 508 | 2, /* size */ |
| 509 | 32, /* bitsize */ |
| 510 | FALSE, /* pc_relative */ |
| 511 | 0, /* bitpos */ |
| 512 | complain_overflow_dont, /* complain_on_overflow */ |
| 513 | bfd_elf_generic_reloc, /* special_function */ |
| 514 | "R_RISCV_ADD32", /* name */ |
| 515 | FALSE, /* partial_inplace */ |
| 516 | 0, /* src_mask */ |
| 517 | MINUS_ONE, /* dst_mask */ |
| 518 | FALSE), /* pcrel_offset */ |
| 519 | |
| 520 | /* 64-bit in-place addition, for local label subtraction. */ |
| 521 | HOWTO (R_RISCV_ADD64, /* type */ |
| 522 | 0, /* rightshift */ |
| 523 | 4, /* size */ |
| 524 | 64, /* bitsize */ |
| 525 | FALSE, /* pc_relative */ |
| 526 | 0, /* bitpos */ |
| 527 | complain_overflow_dont, /* complain_on_overflow */ |
| 528 | bfd_elf_generic_reloc, /* special_function */ |
| 529 | "R_RISCV_ADD64", /* name */ |
| 530 | FALSE, /* partial_inplace */ |
| 531 | 0, /* src_mask */ |
| 532 | MINUS_ONE, /* dst_mask */ |
| 533 | FALSE), /* pcrel_offset */ |
| 534 | |
| 535 | /* 8-bit in-place addition, for local label subtraction. */ |
| 536 | HOWTO (R_RISCV_SUB8, /* type */ |
| 537 | 0, /* rightshift */ |
| 538 | 0, /* size */ |
| 539 | 8, /* bitsize */ |
| 540 | FALSE, /* pc_relative */ |
| 541 | 0, /* bitpos */ |
| 542 | complain_overflow_dont, /* complain_on_overflow */ |
| 543 | bfd_elf_generic_reloc, /* special_function */ |
| 544 | "R_RISCV_SUB8", /* name */ |
| 545 | FALSE, /* partial_inplace */ |
| 546 | 0, /* src_mask */ |
| 547 | MINUS_ONE, /* dst_mask */ |
| 548 | FALSE), /* pcrel_offset */ |
| 549 | |
| 550 | /* 16-bit in-place addition, for local label subtraction. */ |
| 551 | HOWTO (R_RISCV_SUB16, /* type */ |
| 552 | 0, /* rightshift */ |
| 553 | 1, /* size */ |
| 554 | 16, /* bitsize */ |
| 555 | FALSE, /* pc_relative */ |
| 556 | 0, /* bitpos */ |
| 557 | complain_overflow_dont, /* complain_on_overflow */ |
| 558 | bfd_elf_generic_reloc, /* special_function */ |
| 559 | "R_RISCV_SUB16", /* name */ |
| 560 | FALSE, /* partial_inplace */ |
| 561 | 0, /* src_mask */ |
| 562 | MINUS_ONE, /* dst_mask */ |
| 563 | FALSE), /* pcrel_offset */ |
| 564 | |
| 565 | /* 32-bit in-place addition, for local label subtraction. */ |
| 566 | HOWTO (R_RISCV_SUB32, /* type */ |
| 567 | 0, /* rightshift */ |
| 568 | 2, /* size */ |
| 569 | 32, /* bitsize */ |
| 570 | FALSE, /* pc_relative */ |
| 571 | 0, /* bitpos */ |
| 572 | complain_overflow_dont, /* complain_on_overflow */ |
| 573 | bfd_elf_generic_reloc, /* special_function */ |
| 574 | "R_RISCV_SUB32", /* name */ |
| 575 | FALSE, /* partial_inplace */ |
| 576 | 0, /* src_mask */ |
| 577 | MINUS_ONE, /* dst_mask */ |
| 578 | FALSE), /* pcrel_offset */ |
| 579 | |
| 580 | /* 64-bit in-place addition, for local label subtraction. */ |
| 581 | HOWTO (R_RISCV_SUB64, /* type */ |
| 582 | 0, /* rightshift */ |
| 583 | 4, /* size */ |
| 584 | 64, /* bitsize */ |
| 585 | FALSE, /* pc_relative */ |
| 586 | 0, /* bitpos */ |
| 587 | complain_overflow_dont, /* complain_on_overflow */ |
| 588 | bfd_elf_generic_reloc, /* special_function */ |
| 589 | "R_RISCV_SUB64", /* name */ |
| 590 | FALSE, /* partial_inplace */ |
| 591 | 0, /* src_mask */ |
| 592 | MINUS_ONE, /* dst_mask */ |
| 593 | FALSE), /* pcrel_offset */ |
| 594 | |
| 595 | /* GNU extension to record C++ vtable hierarchy */ |
| 596 | HOWTO (R_RISCV_GNU_VTINHERIT, /* type */ |
| 597 | 0, /* rightshift */ |
| 598 | 4, /* size */ |
| 599 | 0, /* bitsize */ |
| 600 | FALSE, /* pc_relative */ |
| 601 | 0, /* bitpos */ |
| 602 | complain_overflow_dont, /* complain_on_overflow */ |
| 603 | NULL, /* special_function */ |
| 604 | "R_RISCV_GNU_VTINHERIT", /* name */ |
| 605 | FALSE, /* partial_inplace */ |
| 606 | 0, /* src_mask */ |
| 607 | 0, /* dst_mask */ |
| 608 | FALSE), /* pcrel_offset */ |
| 609 | |
| 610 | /* GNU extension to record C++ vtable member usage */ |
| 611 | HOWTO (R_RISCV_GNU_VTENTRY, /* type */ |
| 612 | 0, /* rightshift */ |
| 613 | 4, /* size */ |
| 614 | 0, /* bitsize */ |
| 615 | FALSE, /* pc_relative */ |
| 616 | 0, /* bitpos */ |
| 617 | complain_overflow_dont, /* complain_on_overflow */ |
| 618 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| 619 | "R_RISCV_GNU_VTENTRY", /* name */ |
| 620 | FALSE, /* partial_inplace */ |
| 621 | 0, /* src_mask */ |
| 622 | 0, /* dst_mask */ |
| 623 | FALSE), /* pcrel_offset */ |
| 624 | |
| 625 | /* Indicates an alignment statement. The addend field encodes how many |
| 626 | bytes of NOPs follow the statement. The desired alignment is the |
| 627 | addend rounded up to the next power of two. */ |
| 628 | HOWTO (R_RISCV_ALIGN, /* type */ |
| 629 | 0, /* rightshift */ |
| 630 | 2, /* size */ |
| 631 | 0, /* bitsize */ |
| 632 | FALSE, /* pc_relative */ |
| 633 | 0, /* bitpos */ |
| 634 | complain_overflow_dont, /* complain_on_overflow */ |
| 635 | bfd_elf_generic_reloc, /* special_function */ |
| 636 | "R_RISCV_ALIGN", /* name */ |
| 637 | FALSE, /* partial_inplace */ |
| 638 | 0, /* src_mask */ |
| 639 | 0, /* dst_mask */ |
| 640 | TRUE), /* pcrel_offset */ |
| 641 | |
| 642 | /* 8-bit PC-relative branch offset. */ |
| 643 | HOWTO (R_RISCV_RVC_BRANCH, /* type */ |
| 644 | 0, /* rightshift */ |
| 645 | 2, /* size */ |
| 646 | 32, /* bitsize */ |
| 647 | TRUE, /* pc_relative */ |
| 648 | 0, /* bitpos */ |
| 649 | complain_overflow_signed, /* complain_on_overflow */ |
| 650 | bfd_elf_generic_reloc, /* special_function */ |
| 651 | "R_RISCV_RVC_BRANCH", /* name */ |
| 652 | FALSE, /* partial_inplace */ |
| 653 | 0, /* src_mask */ |
| 654 | ENCODE_RVC_B_IMM (-1U), /* dst_mask */ |
| 655 | TRUE), /* pcrel_offset */ |
| 656 | |
| 657 | /* 11-bit PC-relative jump offset. */ |
| 658 | HOWTO (R_RISCV_RVC_JUMP, /* type */ |
| 659 | 0, /* rightshift */ |
| 660 | 2, /* size */ |
| 661 | 32, /* bitsize */ |
| 662 | TRUE, /* pc_relative */ |
| 663 | 0, /* bitpos */ |
| 664 | complain_overflow_dont, /* complain_on_overflow */ |
| 665 | bfd_elf_generic_reloc, /* special_function */ |
| 666 | "R_RISCV_RVC_JUMP", /* name */ |
| 667 | FALSE, /* partial_inplace */ |
| 668 | 0, /* src_mask */ |
| 669 | ENCODE_RVC_J_IMM (-1U), /* dst_mask */ |
| 670 | TRUE), /* pcrel_offset */ |
| 671 | |
| 672 | /* High 6 bits of 18-bit absolute address. */ |
| 673 | HOWTO (R_RISCV_RVC_LUI, /* type */ |
| 674 | 0, /* rightshift */ |
| 675 | 2, /* size */ |
| 676 | 32, /* bitsize */ |
| 677 | FALSE, /* pc_relative */ |
| 678 | 0, /* bitpos */ |
| 679 | complain_overflow_dont, /* complain_on_overflow */ |
| 680 | bfd_elf_generic_reloc, /* special_function */ |
| 681 | "R_RISCV_RVC_LUI", /* name */ |
| 682 | FALSE, /* partial_inplace */ |
| 683 | 0, /* src_mask */ |
| 684 | ENCODE_RVC_IMM (-1U), /* dst_mask */ |
| 685 | FALSE), /* pcrel_offset */ |
| 686 | |
| 687 | /* GP-relative load. */ |
| 688 | HOWTO (R_RISCV_GPREL_I, /* type */ |
| 689 | 0, /* rightshift */ |
| 690 | 2, /* size */ |
| 691 | 32, /* bitsize */ |
| 692 | FALSE, /* pc_relative */ |
| 693 | 0, /* bitpos */ |
| 694 | complain_overflow_dont, /* complain_on_overflow */ |
| 695 | bfd_elf_generic_reloc, /* special_function */ |
| 696 | "R_RISCV_GPREL_I", /* name */ |
| 697 | FALSE, /* partial_inplace */ |
| 698 | 0, /* src_mask */ |
| 699 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ |
| 700 | FALSE), /* pcrel_offset */ |
| 701 | |
| 702 | /* GP-relative store. */ |
| 703 | HOWTO (R_RISCV_GPREL_S, /* type */ |
| 704 | 0, /* rightshift */ |
| 705 | 2, /* size */ |
| 706 | 32, /* bitsize */ |
| 707 | FALSE, /* pc_relative */ |
| 708 | 0, /* bitpos */ |
| 709 | complain_overflow_dont, /* complain_on_overflow */ |
| 710 | bfd_elf_generic_reloc, /* special_function */ |
| 711 | "R_RISCV_GPREL_S", /* name */ |
| 712 | FALSE, /* partial_inplace */ |
| 713 | 0, /* src_mask */ |
| 714 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ |
| 715 | FALSE), /* pcrel_offset */ |
| 716 | |
| 717 | /* TP-relative TLS LE load. */ |
| 718 | HOWTO (R_RISCV_TPREL_I, /* type */ |
| 719 | 0, /* rightshift */ |
| 720 | 2, /* size */ |
| 721 | 32, /* bitsize */ |
| 722 | FALSE, /* pc_relative */ |
| 723 | 0, /* bitpos */ |
| 724 | complain_overflow_signed, /* complain_on_overflow */ |
| 725 | bfd_elf_generic_reloc, /* special_function */ |
| 726 | "R_RISCV_TPREL_I", /* name */ |
| 727 | FALSE, /* partial_inplace */ |
| 728 | 0, /* src_mask */ |
| 729 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ |
| 730 | FALSE), /* pcrel_offset */ |
| 731 | |
| 732 | /* TP-relative TLS LE store. */ |
| 733 | HOWTO (R_RISCV_TPREL_S, /* type */ |
| 734 | 0, /* rightshift */ |
| 735 | 2, /* size */ |
| 736 | 32, /* bitsize */ |
| 737 | FALSE, /* pc_relative */ |
| 738 | 0, /* bitpos */ |
| 739 | complain_overflow_signed, /* complain_on_overflow */ |
| 740 | bfd_elf_generic_reloc, /* special_function */ |
| 741 | "R_RISCV_TPREL_S", /* name */ |
| 742 | FALSE, /* partial_inplace */ |
| 743 | 0, /* src_mask */ |
| 744 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ |
| 745 | FALSE), /* pcrel_offset */ |
| 746 | |
| 747 | /* The paired relocation may be relaxed. */ |
| 748 | HOWTO (R_RISCV_RELAX, /* type */ |
| 749 | 0, /* rightshift */ |
| 750 | 3, /* size */ |
| 751 | 0, /* bitsize */ |
| 752 | FALSE, /* pc_relative */ |
| 753 | 0, /* bitpos */ |
| 754 | complain_overflow_dont, /* complain_on_overflow */ |
| 755 | bfd_elf_generic_reloc, /* special_function */ |
| 756 | "R_RISCV_RELAX", /* name */ |
| 757 | FALSE, /* partial_inplace */ |
| 758 | 0, /* src_mask */ |
| 759 | 0, /* dst_mask */ |
| 760 | FALSE), /* pcrel_offset */ |
| 761 | |
| 762 | /* 6-bit in-place addition, for local label subtraction. */ |
| 763 | HOWTO (R_RISCV_SUB6, /* type */ |
| 764 | 0, /* rightshift */ |
| 765 | 0, /* size */ |
| 766 | 8, /* bitsize */ |
| 767 | FALSE, /* pc_relative */ |
| 768 | 0, /* bitpos */ |
| 769 | complain_overflow_dont, /* complain_on_overflow */ |
| 770 | bfd_elf_generic_reloc, /* special_function */ |
| 771 | "R_RISCV_SUB6", /* name */ |
| 772 | FALSE, /* partial_inplace */ |
| 773 | 0, /* src_mask */ |
| 774 | 0x3f, /* dst_mask */ |
| 775 | FALSE), /* pcrel_offset */ |
| 776 | |
| 777 | /* 6-bit in-place setting, for local label subtraction. */ |
| 778 | HOWTO (R_RISCV_SET6, /* type */ |
| 779 | 0, /* rightshift */ |
| 780 | 0, /* size */ |
| 781 | 8, /* bitsize */ |
| 782 | FALSE, /* pc_relative */ |
| 783 | 0, /* bitpos */ |
| 784 | complain_overflow_dont, /* complain_on_overflow */ |
| 785 | bfd_elf_generic_reloc, /* special_function */ |
| 786 | "R_RISCV_SET6", /* name */ |
| 787 | FALSE, /* partial_inplace */ |
| 788 | 0, /* src_mask */ |
| 789 | 0x3f, /* dst_mask */ |
| 790 | FALSE), /* pcrel_offset */ |
| 791 | |
| 792 | /* 8-bit in-place setting, for local label subtraction. */ |
| 793 | HOWTO (R_RISCV_SET8, /* type */ |
| 794 | 0, /* rightshift */ |
| 795 | 0, /* size */ |
| 796 | 8, /* bitsize */ |
| 797 | FALSE, /* pc_relative */ |
| 798 | 0, /* bitpos */ |
| 799 | complain_overflow_dont, /* complain_on_overflow */ |
| 800 | bfd_elf_generic_reloc, /* special_function */ |
| 801 | "R_RISCV_SET8", /* name */ |
| 802 | FALSE, /* partial_inplace */ |
| 803 | 0, /* src_mask */ |
| 804 | MINUS_ONE, /* dst_mask */ |
| 805 | FALSE), /* pcrel_offset */ |
| 806 | |
| 807 | /* 16-bit in-place setting, for local label subtraction. */ |
| 808 | HOWTO (R_RISCV_SET16, /* type */ |
| 809 | 0, /* rightshift */ |
| 810 | 1, /* size */ |
| 811 | 16, /* bitsize */ |
| 812 | FALSE, /* pc_relative */ |
| 813 | 0, /* bitpos */ |
| 814 | complain_overflow_dont, /* complain_on_overflow */ |
| 815 | bfd_elf_generic_reloc, /* special_function */ |
| 816 | "R_RISCV_SET16", /* name */ |
| 817 | FALSE, /* partial_inplace */ |
| 818 | 0, /* src_mask */ |
| 819 | MINUS_ONE, /* dst_mask */ |
| 820 | FALSE), /* pcrel_offset */ |
| 821 | |
| 822 | /* 32-bit in-place setting, for local label subtraction. */ |
| 823 | HOWTO (R_RISCV_SET32, /* type */ |
| 824 | 0, /* rightshift */ |
| 825 | 2, /* size */ |
| 826 | 32, /* bitsize */ |
| 827 | FALSE, /* pc_relative */ |
| 828 | 0, /* bitpos */ |
| 829 | complain_overflow_dont, /* complain_on_overflow */ |
| 830 | bfd_elf_generic_reloc, /* special_function */ |
| 831 | "R_RISCV_SET32", /* name */ |
| 832 | FALSE, /* partial_inplace */ |
| 833 | 0, /* src_mask */ |
| 834 | MINUS_ONE, /* dst_mask */ |
| 835 | FALSE), /* pcrel_offset */ |
| 836 | }; |
| 837 | |
| 838 | /* A mapping from BFD reloc types to RISC-V ELF reloc types. */ |
| 839 | |
| 840 | struct elf_reloc_map |
| 841 | { |
| 842 | bfd_reloc_code_real_type bfd_val; |
| 843 | enum elf_riscv_reloc_type elf_val; |
| 844 | }; |
| 845 | |
| 846 | static const struct elf_reloc_map riscv_reloc_map[] = |
| 847 | { |
| 848 | { BFD_RELOC_NONE, R_RISCV_NONE }, |
| 849 | { BFD_RELOC_32, R_RISCV_32 }, |
| 850 | { BFD_RELOC_64, R_RISCV_64 }, |
| 851 | { BFD_RELOC_RISCV_ADD8, R_RISCV_ADD8 }, |
| 852 | { BFD_RELOC_RISCV_ADD16, R_RISCV_ADD16 }, |
| 853 | { BFD_RELOC_RISCV_ADD32, R_RISCV_ADD32 }, |
| 854 | { BFD_RELOC_RISCV_ADD64, R_RISCV_ADD64 }, |
| 855 | { BFD_RELOC_RISCV_SUB8, R_RISCV_SUB8 }, |
| 856 | { BFD_RELOC_RISCV_SUB16, R_RISCV_SUB16 }, |
| 857 | { BFD_RELOC_RISCV_SUB32, R_RISCV_SUB32 }, |
| 858 | { BFD_RELOC_RISCV_SUB64, R_RISCV_SUB64 }, |
| 859 | { BFD_RELOC_CTOR, R_RISCV_64 }, |
| 860 | { BFD_RELOC_12_PCREL, R_RISCV_BRANCH }, |
| 861 | { BFD_RELOC_RISCV_HI20, R_RISCV_HI20 }, |
| 862 | { BFD_RELOC_RISCV_LO12_I, R_RISCV_LO12_I }, |
| 863 | { BFD_RELOC_RISCV_LO12_S, R_RISCV_LO12_S }, |
| 864 | { BFD_RELOC_RISCV_PCREL_LO12_I, R_RISCV_PCREL_LO12_I }, |
| 865 | { BFD_RELOC_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_S }, |
| 866 | { BFD_RELOC_RISCV_CALL, R_RISCV_CALL }, |
| 867 | { BFD_RELOC_RISCV_CALL_PLT, R_RISCV_CALL_PLT }, |
| 868 | { BFD_RELOC_RISCV_PCREL_HI20, R_RISCV_PCREL_HI20 }, |
| 869 | { BFD_RELOC_RISCV_JMP, R_RISCV_JAL }, |
| 870 | { BFD_RELOC_RISCV_GOT_HI20, R_RISCV_GOT_HI20 }, |
| 871 | { BFD_RELOC_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD32 }, |
| 872 | { BFD_RELOC_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL32 }, |
| 873 | { BFD_RELOC_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPMOD64 }, |
| 874 | { BFD_RELOC_RISCV_TLS_DTPREL64, R_RISCV_TLS_DTPREL64 }, |
| 875 | { BFD_RELOC_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL32 }, |
| 876 | { BFD_RELOC_RISCV_TLS_TPREL64, R_RISCV_TLS_TPREL64 }, |
| 877 | { BFD_RELOC_RISCV_TPREL_HI20, R_RISCV_TPREL_HI20 }, |
| 878 | { BFD_RELOC_RISCV_TPREL_ADD, R_RISCV_TPREL_ADD }, |
| 879 | { BFD_RELOC_RISCV_TPREL_LO12_S, R_RISCV_TPREL_LO12_S }, |
| 880 | { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I }, |
| 881 | { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 }, |
| 882 | { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 }, |
| 883 | { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN }, |
| 884 | { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH }, |
| 885 | { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP }, |
| 886 | { BFD_RELOC_RISCV_RVC_LUI, R_RISCV_RVC_LUI }, |
| 887 | { BFD_RELOC_RISCV_GPREL_I, R_RISCV_GPREL_I }, |
| 888 | { BFD_RELOC_RISCV_GPREL_S, R_RISCV_GPREL_S }, |
| 889 | { BFD_RELOC_RISCV_TPREL_I, R_RISCV_TPREL_I }, |
| 890 | { BFD_RELOC_RISCV_TPREL_S, R_RISCV_TPREL_S }, |
| 891 | { BFD_RELOC_RISCV_RELAX, R_RISCV_RELAX }, |
| 892 | { BFD_RELOC_RISCV_SUB6, R_RISCV_SUB6 }, |
| 893 | { BFD_RELOC_RISCV_SET6, R_RISCV_SET6 }, |
| 894 | { BFD_RELOC_RISCV_SET8, R_RISCV_SET8 }, |
| 895 | { BFD_RELOC_RISCV_SET16, R_RISCV_SET16 }, |
| 896 | { BFD_RELOC_RISCV_SET32, R_RISCV_SET32 }, |
| 897 | }; |
| 898 | |
| 899 | /* Given a BFD reloc type, return a howto structure. */ |
| 900 | |
| 901 | reloc_howto_type * |
| 902 | riscv_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 903 | bfd_reloc_code_real_type code) |
| 904 | { |
| 905 | unsigned int i; |
| 906 | |
| 907 | for (i = 0; i < ARRAY_SIZE (riscv_reloc_map); i++) |
| 908 | if (riscv_reloc_map[i].bfd_val == code) |
| 909 | return &howto_table[(int) riscv_reloc_map[i].elf_val]; |
| 910 | |
| 911 | bfd_set_error (bfd_error_bad_value); |
| 912 | return NULL; |
| 913 | } |
| 914 | |
| 915 | reloc_howto_type * |
| 916 | riscv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) |
| 917 | { |
| 918 | unsigned int i; |
| 919 | |
| 920 | for (i = 0; i < ARRAY_SIZE (howto_table); i++) |
| 921 | if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0) |
| 922 | return &howto_table[i]; |
| 923 | |
| 924 | return NULL; |
| 925 | } |
| 926 | |
| 927 | reloc_howto_type * |
| 928 | riscv_elf_rtype_to_howto (unsigned int r_type) |
| 929 | { |
| 930 | if (r_type >= ARRAY_SIZE (howto_table)) |
| 931 | { |
| 932 | (*_bfd_error_handler) (_("unrecognized relocation (0x%x)"), r_type); |
| 933 | bfd_set_error (bfd_error_bad_value); |
| 934 | return NULL; |
| 935 | } |
| 936 | return &howto_table[r_type]; |
| 937 | } |