elf64-mips.c revision 1.1.1.4
1 /* MIPS-specific support for 64-bit ELF 2 Copyright (C) 1996-2018 Free Software Foundation, Inc. 3 Ian Lance Taylor, Cygnus Support 4 Linker support added by Mark Mitchell, CodeSourcery, LLC. 5 <mark (at) codesourcery.com> 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; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24 25 /* This file supports the 64-bit MIPS ELF ABI. 26 27 The MIPS 64-bit ELF ABI uses an unusual reloc format. This file 28 overrides the usual ELF reloc handling, and handles reading and 29 writing the relocations here. */ 30 31 /* TODO: Many things are unsupported, even if there is some code for it 32 . (which was mostly stolen from elf32-mips.c and slightly adapted). 33 . 34 . - Relocation handling for REL relocs is wrong in many cases and 35 . generally untested. 36 . - Relocation handling for RELA relocs related to GOT support are 37 . also likely to be wrong. 38 . - Support for MIPS16 is untested. 39 . - Combined relocs with RSS_* entries are unsupported. 40 . - The whole GOT handling for NewABI is missing, some parts of 41 . the OldABI version is still lying around and should be removed. 42 */ 43 44 #include "sysdep.h" 45 #include "bfd.h" 46 #include "libbfd.h" 47 #include "aout/ar.h" 48 #include "bfdlink.h" 49 #include "genlink.h" 50 #include "elf-bfd.h" 51 #include "elfxx-mips.h" 52 #include "elf/mips.h" 53 54 /* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to 55 use ECOFF. However, we support it anyhow for an easier changeover. */ 56 #include "coff/sym.h" 57 #include "coff/symconst.h" 58 #include "coff/internal.h" 59 #include "coff/ecoff.h" 60 /* The 64 bit versions of the mdebug data structures are in alpha.h. */ 61 #include "coff/alpha.h" 62 #define ECOFF_SIGNED_64 63 #include "ecoffswap.h" 64 65 static void mips_elf64_swap_reloc_in 66 (bfd *, const Elf64_Mips_External_Rel *, Elf64_Mips_Internal_Rela *); 67 static void mips_elf64_swap_reloca_in 68 (bfd *, const Elf64_Mips_External_Rela *, Elf64_Mips_Internal_Rela *); 69 static void mips_elf64_swap_reloc_out 70 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rel *); 71 static void mips_elf64_swap_reloca_out 72 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rela *); 73 static void mips_elf64_be_swap_reloc_in 74 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 75 static void mips_elf64_be_swap_reloc_out 76 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 77 static void mips_elf64_be_swap_reloca_in 78 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 79 static void mips_elf64_be_swap_reloca_out 80 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 81 static reloc_howto_type *bfd_elf64_bfd_reloc_type_lookup 82 (bfd *, bfd_reloc_code_real_type); 83 static bfd_boolean mips_elf64_info_to_howto_rela 84 (bfd *, arelent *, Elf_Internal_Rela *); 85 static long mips_elf64_get_dynamic_reloc_upper_bound 86 (bfd *); 87 static bfd_boolean mips_elf64_slurp_one_reloc_table 88 (bfd *, asection *, Elf_Internal_Shdr *, bfd_size_type, arelent *, 89 asymbol **, bfd_boolean); 90 static bfd_boolean mips_elf64_slurp_reloc_table 91 (bfd *, asection *, asymbol **, bfd_boolean); 92 static void mips_elf64_write_relocs 93 (bfd *, asection *, void *); 94 static void mips_elf64_write_rel 95 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 96 static void mips_elf64_write_rela 97 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 98 static bfd_reloc_status_type mips_elf64_gprel16_reloc 99 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 100 static bfd_reloc_status_type mips_elf64_literal_reloc 101 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 102 static bfd_reloc_status_type mips_elf64_gprel32_reloc 103 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 104 static bfd_reloc_status_type mips_elf64_shift6_reloc 105 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 106 static bfd_reloc_status_type mips16_gprel_reloc 107 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 108 static bfd_boolean mips_elf64_assign_gp 109 (bfd *, bfd_vma *); 110 static bfd_reloc_status_type mips_elf64_final_gp 111 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 112 static bfd_boolean mips_elf64_object_p 113 (bfd *); 114 static bfd_boolean mips_elf64_is_local_label_name 115 (bfd *, const char *); 116 static irix_compat_t elf64_mips_irix_compat 117 (bfd *); 118 static bfd_boolean elf64_mips_grok_prstatus 119 (bfd *, Elf_Internal_Note *); 120 static bfd_boolean elf64_mips_grok_psinfo 121 (bfd *, Elf_Internal_Note *); 122 123 extern const bfd_target mips_elf64_be_vec; 124 extern const bfd_target mips_elf64_le_vec; 125 126 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 127 from smaller values. Start with zero, widen, *then* decrement. */ 128 #define MINUS_ONE (((bfd_vma)0) - 1) 129 130 /* The number of local .got entries we reserve. */ 131 #define MIPS_RESERVED_GOTNO (2) 132 133 /* The relocation table used for SHT_REL sections. */ 135 136 static reloc_howto_type mips_elf64_howto_table_rel[] = 137 { 138 /* No relocation. */ 139 HOWTO (R_MIPS_NONE, /* type */ 140 0, /* rightshift */ 141 3, /* size (0 = byte, 1 = short, 2 = long) */ 142 0, /* bitsize */ 143 FALSE, /* pc_relative */ 144 0, /* bitpos */ 145 complain_overflow_dont, /* complain_on_overflow */ 146 _bfd_mips_elf_generic_reloc, /* special_function */ 147 "R_MIPS_NONE", /* name */ 148 FALSE, /* partial_inplace */ 149 0, /* src_mask */ 150 0, /* dst_mask */ 151 FALSE), /* pcrel_offset */ 152 153 /* 16 bit relocation. */ 154 HOWTO (R_MIPS_16, /* type */ 155 0, /* rightshift */ 156 2, /* size (0 = byte, 1 = short, 2 = long) */ 157 16, /* bitsize */ 158 FALSE, /* pc_relative */ 159 0, /* bitpos */ 160 complain_overflow_signed, /* complain_on_overflow */ 161 _bfd_mips_elf_generic_reloc, /* special_function */ 162 "R_MIPS_16", /* name */ 163 TRUE, /* partial_inplace */ 164 0x0000ffff, /* src_mask */ 165 0x0000ffff, /* dst_mask */ 166 FALSE), /* pcrel_offset */ 167 168 /* 32 bit relocation. */ 169 HOWTO (R_MIPS_32, /* type */ 170 0, /* rightshift */ 171 2, /* size (0 = byte, 1 = short, 2 = long) */ 172 32, /* bitsize */ 173 FALSE, /* pc_relative */ 174 0, /* bitpos */ 175 complain_overflow_dont, /* complain_on_overflow */ 176 _bfd_mips_elf_generic_reloc, /* special_function */ 177 "R_MIPS_32", /* name */ 178 TRUE, /* partial_inplace */ 179 0xffffffff, /* src_mask */ 180 0xffffffff, /* dst_mask */ 181 FALSE), /* pcrel_offset */ 182 183 /* 32 bit symbol relative relocation. */ 184 HOWTO (R_MIPS_REL32, /* type */ 185 0, /* rightshift */ 186 2, /* size (0 = byte, 1 = short, 2 = long) */ 187 32, /* bitsize */ 188 FALSE, /* pc_relative */ 189 0, /* bitpos */ 190 complain_overflow_dont, /* complain_on_overflow */ 191 _bfd_mips_elf_generic_reloc, /* special_function */ 192 "R_MIPS_REL32", /* name */ 193 TRUE, /* partial_inplace */ 194 0xffffffff, /* src_mask */ 195 0xffffffff, /* dst_mask */ 196 FALSE), /* pcrel_offset */ 197 198 /* 26 bit jump address. */ 199 HOWTO (R_MIPS_26, /* type */ 200 2, /* rightshift */ 201 2, /* size (0 = byte, 1 = short, 2 = long) */ 202 26, /* bitsize */ 203 FALSE, /* pc_relative */ 204 0, /* bitpos */ 205 complain_overflow_dont, /* complain_on_overflow */ 206 /* This needs complex overflow 207 detection, because the upper 36 208 bits must match the PC + 4. */ 209 _bfd_mips_elf_generic_reloc, /* special_function */ 210 "R_MIPS_26", /* name */ 211 TRUE, /* partial_inplace */ 212 0x03ffffff, /* src_mask */ 213 0x03ffffff, /* dst_mask */ 214 FALSE), /* pcrel_offset */ 215 216 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. 217 However, the native IRIX6 tools use them, so we try our best. */ 218 219 /* High 16 bits of symbol value. */ 220 HOWTO (R_MIPS_HI16, /* type */ 221 16, /* rightshift */ 222 2, /* size (0 = byte, 1 = short, 2 = long) */ 223 16, /* bitsize */ 224 FALSE, /* pc_relative */ 225 0, /* bitpos */ 226 complain_overflow_dont, /* complain_on_overflow */ 227 _bfd_mips_elf_hi16_reloc, /* special_function */ 228 "R_MIPS_HI16", /* name */ 229 TRUE, /* partial_inplace */ 230 0x0000ffff, /* src_mask */ 231 0x0000ffff, /* dst_mask */ 232 FALSE), /* pcrel_offset */ 233 234 /* Low 16 bits of symbol value. */ 235 HOWTO (R_MIPS_LO16, /* type */ 236 0, /* rightshift */ 237 2, /* size (0 = byte, 1 = short, 2 = long) */ 238 16, /* bitsize */ 239 FALSE, /* pc_relative */ 240 0, /* bitpos */ 241 complain_overflow_dont, /* complain_on_overflow */ 242 _bfd_mips_elf_lo16_reloc, /* special_function */ 243 "R_MIPS_LO16", /* name */ 244 TRUE, /* partial_inplace */ 245 0x0000ffff, /* src_mask */ 246 0x0000ffff, /* dst_mask */ 247 FALSE), /* pcrel_offset */ 248 249 /* GP relative reference. */ 250 HOWTO (R_MIPS_GPREL16, /* type */ 251 0, /* rightshift */ 252 2, /* size (0 = byte, 1 = short, 2 = long) */ 253 16, /* bitsize */ 254 FALSE, /* pc_relative */ 255 0, /* bitpos */ 256 complain_overflow_signed, /* complain_on_overflow */ 257 mips_elf64_gprel16_reloc, /* special_function */ 258 "R_MIPS_GPREL16", /* name */ 259 TRUE, /* partial_inplace */ 260 0x0000ffff, /* src_mask */ 261 0x0000ffff, /* dst_mask */ 262 FALSE), /* pcrel_offset */ 263 264 /* Reference to literal section. */ 265 HOWTO (R_MIPS_LITERAL, /* type */ 266 0, /* rightshift */ 267 2, /* size (0 = byte, 1 = short, 2 = long) */ 268 16, /* bitsize */ 269 FALSE, /* pc_relative */ 270 0, /* bitpos */ 271 complain_overflow_signed, /* complain_on_overflow */ 272 mips_elf64_literal_reloc, /* special_function */ 273 "R_MIPS_LITERAL", /* name */ 274 TRUE, /* partial_inplace */ 275 0x0000ffff, /* src_mask */ 276 0x0000ffff, /* dst_mask */ 277 FALSE), /* pcrel_offset */ 278 279 /* Reference to global offset table. */ 280 HOWTO (R_MIPS_GOT16, /* type */ 281 0, /* rightshift */ 282 2, /* size (0 = byte, 1 = short, 2 = long) */ 283 16, /* bitsize */ 284 FALSE, /* pc_relative */ 285 0, /* bitpos */ 286 complain_overflow_signed, /* complain_on_overflow */ 287 _bfd_mips_elf_got16_reloc, /* special_function */ 288 "R_MIPS_GOT16", /* name */ 289 TRUE, /* partial_inplace */ 290 0x0000ffff, /* src_mask */ 291 0x0000ffff, /* dst_mask */ 292 FALSE), /* pcrel_offset */ 293 294 /* 16 bit PC relative reference. Note that the ABI document has a typo 295 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 296 We do the right thing here. */ 297 HOWTO (R_MIPS_PC16, /* type */ 298 2, /* rightshift */ 299 2, /* size (0 = byte, 1 = short, 2 = long) */ 300 16, /* bitsize */ 301 TRUE, /* pc_relative */ 302 0, /* bitpos */ 303 complain_overflow_signed, /* complain_on_overflow */ 304 _bfd_mips_elf_generic_reloc, /* special_function */ 305 "R_MIPS_PC16", /* name */ 306 TRUE, /* partial_inplace */ 307 0x0000ffff, /* src_mask */ 308 0x0000ffff, /* dst_mask */ 309 TRUE), /* pcrel_offset */ 310 311 /* 16 bit call through global offset table. */ 312 HOWTO (R_MIPS_CALL16, /* type */ 313 0, /* rightshift */ 314 2, /* size (0 = byte, 1 = short, 2 = long) */ 315 16, /* bitsize */ 316 FALSE, /* pc_relative */ 317 0, /* bitpos */ 318 complain_overflow_signed, /* complain_on_overflow */ 319 _bfd_mips_elf_generic_reloc, /* special_function */ 320 "R_MIPS_CALL16", /* name */ 321 TRUE, /* partial_inplace */ 322 0x0000ffff, /* src_mask */ 323 0x0000ffff, /* dst_mask */ 324 FALSE), /* pcrel_offset */ 325 326 /* 32 bit GP relative reference. */ 327 HOWTO (R_MIPS_GPREL32, /* type */ 328 0, /* rightshift */ 329 2, /* size (0 = byte, 1 = short, 2 = long) */ 330 32, /* bitsize */ 331 FALSE, /* pc_relative */ 332 0, /* bitpos */ 333 complain_overflow_dont, /* complain_on_overflow */ 334 mips_elf64_gprel32_reloc, /* special_function */ 335 "R_MIPS_GPREL32", /* name */ 336 TRUE, /* partial_inplace */ 337 0xffffffff, /* src_mask */ 338 0xffffffff, /* dst_mask */ 339 FALSE), /* pcrel_offset */ 340 341 EMPTY_HOWTO (13), 342 EMPTY_HOWTO (14), 343 EMPTY_HOWTO (15), 344 345 /* A 5 bit shift field. */ 346 HOWTO (R_MIPS_SHIFT5, /* type */ 347 0, /* rightshift */ 348 2, /* size (0 = byte, 1 = short, 2 = long) */ 349 5, /* bitsize */ 350 FALSE, /* pc_relative */ 351 6, /* bitpos */ 352 complain_overflow_bitfield, /* complain_on_overflow */ 353 _bfd_mips_elf_generic_reloc, /* special_function */ 354 "R_MIPS_SHIFT5", /* name */ 355 TRUE, /* partial_inplace */ 356 0x000007c0, /* src_mask */ 357 0x000007c0, /* dst_mask */ 358 FALSE), /* pcrel_offset */ 359 360 /* A 6 bit shift field. */ 361 HOWTO (R_MIPS_SHIFT6, /* type */ 362 0, /* rightshift */ 363 2, /* size (0 = byte, 1 = short, 2 = long) */ 364 6, /* bitsize */ 365 FALSE, /* pc_relative */ 366 6, /* bitpos */ 367 complain_overflow_bitfield, /* complain_on_overflow */ 368 mips_elf64_shift6_reloc, /* special_function */ 369 "R_MIPS_SHIFT6", /* name */ 370 TRUE, /* partial_inplace */ 371 0x000007c4, /* src_mask */ 372 0x000007c4, /* dst_mask */ 373 FALSE), /* pcrel_offset */ 374 375 /* 64 bit relocation. */ 376 HOWTO (R_MIPS_64, /* type */ 377 0, /* rightshift */ 378 4, /* size (0 = byte, 1 = short, 2 = long) */ 379 64, /* bitsize */ 380 FALSE, /* pc_relative */ 381 0, /* bitpos */ 382 complain_overflow_dont, /* complain_on_overflow */ 383 _bfd_mips_elf_generic_reloc, /* special_function */ 384 "R_MIPS_64", /* name */ 385 TRUE, /* partial_inplace */ 386 MINUS_ONE, /* src_mask */ 387 MINUS_ONE, /* dst_mask */ 388 FALSE), /* pcrel_offset */ 389 390 /* Displacement in the global offset table. */ 391 HOWTO (R_MIPS_GOT_DISP, /* type */ 392 0, /* rightshift */ 393 2, /* size (0 = byte, 1 = short, 2 = long) */ 394 16, /* bitsize */ 395 FALSE, /* pc_relative */ 396 0, /* bitpos */ 397 complain_overflow_signed, /* complain_on_overflow */ 398 _bfd_mips_elf_generic_reloc, /* special_function */ 399 "R_MIPS_GOT_DISP", /* name */ 400 TRUE, /* partial_inplace */ 401 0x0000ffff, /* src_mask */ 402 0x0000ffff, /* dst_mask */ 403 FALSE), /* pcrel_offset */ 404 405 /* Displacement to page pointer in the global offset table. */ 406 HOWTO (R_MIPS_GOT_PAGE, /* type */ 407 0, /* rightshift */ 408 2, /* size (0 = byte, 1 = short, 2 = long) */ 409 16, /* bitsize */ 410 FALSE, /* pc_relative */ 411 0, /* bitpos */ 412 complain_overflow_signed, /* complain_on_overflow */ 413 _bfd_mips_elf_generic_reloc, /* special_function */ 414 "R_MIPS_GOT_PAGE", /* name */ 415 TRUE, /* partial_inplace */ 416 0x0000ffff, /* src_mask */ 417 0x0000ffff, /* dst_mask */ 418 FALSE), /* pcrel_offset */ 419 420 /* Offset from page pointer in the global offset table. */ 421 HOWTO (R_MIPS_GOT_OFST, /* type */ 422 0, /* rightshift */ 423 2, /* size (0 = byte, 1 = short, 2 = long) */ 424 16, /* bitsize */ 425 FALSE, /* pc_relative */ 426 0, /* bitpos */ 427 complain_overflow_signed, /* complain_on_overflow */ 428 _bfd_mips_elf_generic_reloc, /* special_function */ 429 "R_MIPS_GOT_OFST", /* name */ 430 TRUE, /* partial_inplace */ 431 0x0000ffff, /* src_mask */ 432 0x0000ffff, /* dst_mask */ 433 FALSE), /* pcrel_offset */ 434 435 /* High 16 bits of displacement in global offset table. */ 436 HOWTO (R_MIPS_GOT_HI16, /* type */ 437 0, /* rightshift */ 438 2, /* size (0 = byte, 1 = short, 2 = long) */ 439 16, /* bitsize */ 440 FALSE, /* pc_relative */ 441 0, /* bitpos */ 442 complain_overflow_dont, /* complain_on_overflow */ 443 _bfd_mips_elf_generic_reloc, /* special_function */ 444 "R_MIPS_GOT_HI16", /* name */ 445 TRUE, /* partial_inplace */ 446 0x0000ffff, /* src_mask */ 447 0x0000ffff, /* dst_mask */ 448 FALSE), /* pcrel_offset */ 449 450 /* Low 16 bits of displacement in global offset table. */ 451 HOWTO (R_MIPS_GOT_LO16, /* type */ 452 0, /* rightshift */ 453 2, /* size (0 = byte, 1 = short, 2 = long) */ 454 16, /* bitsize */ 455 FALSE, /* pc_relative */ 456 0, /* bitpos */ 457 complain_overflow_dont, /* complain_on_overflow */ 458 _bfd_mips_elf_generic_reloc, /* special_function */ 459 "R_MIPS_GOT_LO16", /* name */ 460 TRUE, /* partial_inplace */ 461 0x0000ffff, /* src_mask */ 462 0x0000ffff, /* dst_mask */ 463 FALSE), /* pcrel_offset */ 464 465 /* 64 bit subtraction. */ 466 HOWTO (R_MIPS_SUB, /* type */ 467 0, /* rightshift */ 468 4, /* size (0 = byte, 1 = short, 2 = long) */ 469 64, /* bitsize */ 470 FALSE, /* pc_relative */ 471 0, /* bitpos */ 472 complain_overflow_dont, /* complain_on_overflow */ 473 _bfd_mips_elf_generic_reloc, /* special_function */ 474 "R_MIPS_SUB", /* name */ 475 TRUE, /* partial_inplace */ 476 MINUS_ONE, /* src_mask */ 477 MINUS_ONE, /* dst_mask */ 478 FALSE), /* pcrel_offset */ 479 480 /* Insert the addend as an instruction. */ 481 /* FIXME: Not handled correctly. */ 482 HOWTO (R_MIPS_INSERT_A, /* type */ 483 0, /* rightshift */ 484 2, /* size (0 = byte, 1 = short, 2 = long) */ 485 32, /* bitsize */ 486 FALSE, /* pc_relative */ 487 0, /* bitpos */ 488 complain_overflow_dont, /* complain_on_overflow */ 489 _bfd_mips_elf_generic_reloc, /* special_function */ 490 "R_MIPS_INSERT_A", /* name */ 491 TRUE, /* partial_inplace */ 492 0xffffffff, /* src_mask */ 493 0xffffffff, /* dst_mask */ 494 FALSE), /* pcrel_offset */ 495 496 /* Insert the addend as an instruction, and change all relocations 497 to refer to the old instruction at the address. */ 498 /* FIXME: Not handled correctly. */ 499 HOWTO (R_MIPS_INSERT_B, /* type */ 500 0, /* rightshift */ 501 2, /* size (0 = byte, 1 = short, 2 = long) */ 502 32, /* bitsize */ 503 FALSE, /* pc_relative */ 504 0, /* bitpos */ 505 complain_overflow_dont, /* complain_on_overflow */ 506 _bfd_mips_elf_generic_reloc, /* special_function */ 507 "R_MIPS_INSERT_B", /* name */ 508 TRUE, /* partial_inplace */ 509 0xffffffff, /* src_mask */ 510 0xffffffff, /* dst_mask */ 511 FALSE), /* pcrel_offset */ 512 513 /* Delete a 32 bit instruction. */ 514 /* FIXME: Not handled correctly. */ 515 HOWTO (R_MIPS_DELETE, /* type */ 516 0, /* rightshift */ 517 2, /* size (0 = byte, 1 = short, 2 = long) */ 518 32, /* bitsize */ 519 FALSE, /* pc_relative */ 520 0, /* bitpos */ 521 complain_overflow_dont, /* complain_on_overflow */ 522 _bfd_mips_elf_generic_reloc, /* special_function */ 523 "R_MIPS_DELETE", /* name */ 524 TRUE, /* partial_inplace */ 525 0xffffffff, /* src_mask */ 526 0xffffffff, /* dst_mask */ 527 FALSE), /* pcrel_offset */ 528 529 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. 530 We don't, because 531 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ 532 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using 533 fallable heuristics. 534 b) No other NewABI toolchain actually emits such relocations. */ 535 EMPTY_HOWTO (R_MIPS_HIGHER), 536 EMPTY_HOWTO (R_MIPS_HIGHEST), 537 538 /* High 16 bits of displacement in global offset table. */ 539 HOWTO (R_MIPS_CALL_HI16, /* type */ 540 0, /* rightshift */ 541 2, /* size (0 = byte, 1 = short, 2 = long) */ 542 16, /* bitsize */ 543 FALSE, /* pc_relative */ 544 0, /* bitpos */ 545 complain_overflow_dont, /* complain_on_overflow */ 546 _bfd_mips_elf_generic_reloc, /* special_function */ 547 "R_MIPS_CALL_HI16", /* name */ 548 TRUE, /* partial_inplace */ 549 0x0000ffff, /* src_mask */ 550 0x0000ffff, /* dst_mask */ 551 FALSE), /* pcrel_offset */ 552 553 /* Low 16 bits of displacement in global offset table. */ 554 HOWTO (R_MIPS_CALL_LO16, /* type */ 555 0, /* rightshift */ 556 2, /* size (0 = byte, 1 = short, 2 = long) */ 557 16, /* bitsize */ 558 FALSE, /* pc_relative */ 559 0, /* bitpos */ 560 complain_overflow_dont, /* complain_on_overflow */ 561 _bfd_mips_elf_generic_reloc, /* special_function */ 562 "R_MIPS_CALL_LO16", /* name */ 563 TRUE, /* partial_inplace */ 564 0x0000ffff, /* src_mask */ 565 0x0000ffff, /* dst_mask */ 566 FALSE), /* pcrel_offset */ 567 568 /* Section displacement, used by an associated event location section. */ 569 HOWTO (R_MIPS_SCN_DISP, /* type */ 570 0, /* rightshift */ 571 2, /* size (0 = byte, 1 = short, 2 = long) */ 572 32, /* bitsize */ 573 FALSE, /* pc_relative */ 574 0, /* bitpos */ 575 complain_overflow_dont, /* complain_on_overflow */ 576 _bfd_mips_elf_generic_reloc, /* special_function */ 577 "R_MIPS_SCN_DISP", /* name */ 578 TRUE, /* partial_inplace */ 579 0xffffffff, /* src_mask */ 580 0xffffffff, /* dst_mask */ 581 FALSE), /* pcrel_offset */ 582 583 HOWTO (R_MIPS_REL16, /* type */ 584 0, /* rightshift */ 585 1, /* size (0 = byte, 1 = short, 2 = long) */ 586 16, /* bitsize */ 587 FALSE, /* pc_relative */ 588 0, /* bitpos */ 589 complain_overflow_signed, /* complain_on_overflow */ 590 _bfd_mips_elf_generic_reloc, /* special_function */ 591 "R_MIPS_REL16", /* name */ 592 TRUE, /* partial_inplace */ 593 0xffff, /* src_mask */ 594 0xffff, /* dst_mask */ 595 FALSE), /* pcrel_offset */ 596 597 /* These two are obsolete. */ 598 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 599 EMPTY_HOWTO (R_MIPS_PJUMP), 600 601 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 602 It must be used for multigot GOT's (and only there). */ 603 HOWTO (R_MIPS_RELGOT, /* type */ 604 0, /* rightshift */ 605 2, /* size (0 = byte, 1 = short, 2 = long) */ 606 32, /* bitsize */ 607 FALSE, /* pc_relative */ 608 0, /* bitpos */ 609 complain_overflow_dont, /* complain_on_overflow */ 610 _bfd_mips_elf_generic_reloc, /* special_function */ 611 "R_MIPS_RELGOT", /* name */ 612 TRUE, /* partial_inplace */ 613 0xffffffff, /* src_mask */ 614 0xffffffff, /* dst_mask */ 615 FALSE), /* pcrel_offset */ 616 617 /* Protected jump conversion. This is an optimization hint. No 618 relocation is required for correctness. */ 619 HOWTO (R_MIPS_JALR, /* type */ 620 0, /* rightshift */ 621 2, /* size (0 = byte, 1 = short, 2 = long) */ 622 32, /* bitsize */ 623 FALSE, /* pc_relative */ 624 0, /* bitpos */ 625 complain_overflow_dont, /* complain_on_overflow */ 626 _bfd_mips_elf_generic_reloc, /* special_function */ 627 "R_MIPS_JALR", /* name */ 628 FALSE, /* partial_inplace */ 629 0, /* src_mask */ 630 0x00000000, /* dst_mask */ 631 FALSE), /* pcrel_offset */ 632 633 /* TLS relocations. */ 634 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 635 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 636 637 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 638 0, /* rightshift */ 639 4, /* size (0 = byte, 1 = short, 2 = long) */ 640 64, /* bitsize */ 641 FALSE, /* pc_relative */ 642 0, /* bitpos */ 643 complain_overflow_dont, /* complain_on_overflow */ 644 _bfd_mips_elf_generic_reloc, /* special_function */ 645 "R_MIPS_TLS_DTPMOD64", /* name */ 646 TRUE, /* partial_inplace */ 647 MINUS_ONE, /* src_mask */ 648 MINUS_ONE, /* dst_mask */ 649 FALSE), /* pcrel_offset */ 650 651 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 652 0, /* rightshift */ 653 4, /* size (0 = byte, 1 = short, 2 = long) */ 654 64, /* bitsize */ 655 FALSE, /* pc_relative */ 656 0, /* bitpos */ 657 complain_overflow_dont, /* complain_on_overflow */ 658 _bfd_mips_elf_generic_reloc, /* special_function */ 659 "R_MIPS_TLS_DTPREL64", /* name */ 660 TRUE, /* partial_inplace */ 661 MINUS_ONE, /* src_mask */ 662 MINUS_ONE, /* dst_mask */ 663 FALSE), /* pcrel_offset */ 664 665 /* TLS general dynamic variable reference. */ 666 HOWTO (R_MIPS_TLS_GD, /* type */ 667 0, /* rightshift */ 668 2, /* size (0 = byte, 1 = short, 2 = long) */ 669 16, /* bitsize */ 670 FALSE, /* pc_relative */ 671 0, /* bitpos */ 672 complain_overflow_signed, /* complain_on_overflow */ 673 _bfd_mips_elf_generic_reloc, /* special_function */ 674 "R_MIPS_TLS_GD", /* name */ 675 TRUE, /* partial_inplace */ 676 0x0000ffff, /* src_mask */ 677 0x0000ffff, /* dst_mask */ 678 FALSE), /* pcrel_offset */ 679 680 /* TLS local dynamic variable reference. */ 681 HOWTO (R_MIPS_TLS_LDM, /* type */ 682 0, /* rightshift */ 683 2, /* size (0 = byte, 1 = short, 2 = long) */ 684 16, /* bitsize */ 685 FALSE, /* pc_relative */ 686 0, /* bitpos */ 687 complain_overflow_signed, /* complain_on_overflow */ 688 _bfd_mips_elf_generic_reloc, /* special_function */ 689 "R_MIPS_TLS_LDM", /* name */ 690 TRUE, /* partial_inplace */ 691 0x0000ffff, /* src_mask */ 692 0x0000ffff, /* dst_mask */ 693 FALSE), /* pcrel_offset */ 694 695 /* TLS local dynamic offset. */ 696 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 697 0, /* rightshift */ 698 2, /* size (0 = byte, 1 = short, 2 = long) */ 699 16, /* bitsize */ 700 FALSE, /* pc_relative */ 701 0, /* bitpos */ 702 complain_overflow_signed, /* complain_on_overflow */ 703 _bfd_mips_elf_generic_reloc, /* special_function */ 704 "R_MIPS_TLS_DTPREL_HI16", /* name */ 705 TRUE, /* partial_inplace */ 706 0x0000ffff, /* src_mask */ 707 0x0000ffff, /* dst_mask */ 708 FALSE), /* pcrel_offset */ 709 710 /* TLS local dynamic offset. */ 711 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 712 0, /* rightshift */ 713 2, /* size (0 = byte, 1 = short, 2 = long) */ 714 16, /* bitsize */ 715 FALSE, /* pc_relative */ 716 0, /* bitpos */ 717 complain_overflow_signed, /* complain_on_overflow */ 718 _bfd_mips_elf_generic_reloc, /* special_function */ 719 "R_MIPS_TLS_DTPREL_LO16", /* name */ 720 TRUE, /* partial_inplace */ 721 0x0000ffff, /* src_mask */ 722 0x0000ffff, /* dst_mask */ 723 FALSE), /* pcrel_offset */ 724 725 /* TLS thread pointer offset. */ 726 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 727 0, /* rightshift */ 728 2, /* size (0 = byte, 1 = short, 2 = long) */ 729 16, /* bitsize */ 730 FALSE, /* pc_relative */ 731 0, /* bitpos */ 732 complain_overflow_signed, /* complain_on_overflow */ 733 _bfd_mips_elf_generic_reloc, /* special_function */ 734 "R_MIPS_TLS_GOTTPREL", /* name */ 735 TRUE, /* partial_inplace */ 736 0x0000ffff, /* src_mask */ 737 0x0000ffff, /* dst_mask */ 738 FALSE), /* pcrel_offset */ 739 740 /* TLS IE dynamic relocations. */ 741 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 742 743 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 744 0, /* rightshift */ 745 4, /* size (0 = byte, 1 = short, 2 = long) */ 746 64, /* bitsize */ 747 FALSE, /* pc_relative */ 748 0, /* bitpos */ 749 complain_overflow_dont, /* complain_on_overflow */ 750 _bfd_mips_elf_generic_reloc, /* special_function */ 751 "R_MIPS_TLS_TPREL64", /* name */ 752 TRUE, /* partial_inplace */ 753 MINUS_ONE, /* src_mask */ 754 MINUS_ONE, /* dst_mask */ 755 FALSE), /* pcrel_offset */ 756 757 /* TLS thread pointer offset. */ 758 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 759 0, /* rightshift */ 760 2, /* size (0 = byte, 1 = short, 2 = long) */ 761 16, /* bitsize */ 762 FALSE, /* pc_relative */ 763 0, /* bitpos */ 764 complain_overflow_signed, /* complain_on_overflow */ 765 _bfd_mips_elf_generic_reloc, /* special_function */ 766 "R_MIPS_TLS_TPREL_HI16", /* name */ 767 TRUE, /* partial_inplace */ 768 0x0000ffff, /* src_mask */ 769 0x0000ffff, /* dst_mask */ 770 FALSE), /* pcrel_offset */ 771 772 /* TLS thread pointer offset. */ 773 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 774 0, /* rightshift */ 775 2, /* size (0 = byte, 1 = short, 2 = long) */ 776 16, /* bitsize */ 777 FALSE, /* pc_relative */ 778 0, /* bitpos */ 779 complain_overflow_signed, /* complain_on_overflow */ 780 _bfd_mips_elf_generic_reloc, /* special_function */ 781 "R_MIPS_TLS_TPREL_LO16", /* name */ 782 TRUE, /* partial_inplace */ 783 0x0000ffff, /* src_mask */ 784 0x0000ffff, /* dst_mask */ 785 FALSE), /* pcrel_offset */ 786 787 /* 32 bit relocation with no addend. */ 788 HOWTO (R_MIPS_GLOB_DAT, /* type */ 789 0, /* rightshift */ 790 2, /* size (0 = byte, 1 = short, 2 = long) */ 791 32, /* bitsize */ 792 FALSE, /* pc_relative */ 793 0, /* bitpos */ 794 complain_overflow_dont, /* complain_on_overflow */ 795 _bfd_mips_elf_generic_reloc, /* special_function */ 796 "R_MIPS_GLOB_DAT", /* name */ 797 FALSE, /* partial_inplace */ 798 0x0, /* src_mask */ 799 0xffffffff, /* dst_mask */ 800 FALSE), /* pcrel_offset */ 801 802 EMPTY_HOWTO (52), 803 EMPTY_HOWTO (53), 804 EMPTY_HOWTO (54), 805 EMPTY_HOWTO (55), 806 EMPTY_HOWTO (56), 807 EMPTY_HOWTO (57), 808 EMPTY_HOWTO (58), 809 EMPTY_HOWTO (59), 810 811 HOWTO (R_MIPS_PC21_S2, /* type */ 812 2, /* rightshift */ 813 2, /* size (0 = byte, 1 = short, 2 = long) */ 814 21, /* bitsize */ 815 TRUE, /* pc_relative */ 816 0, /* bitpos */ 817 complain_overflow_signed, /* complain_on_overflow */ 818 _bfd_mips_elf_generic_reloc, /* special_function */ 819 "R_MIPS_PC21_S2", /* name */ 820 TRUE, /* partial_inplace */ 821 0x001fffff, /* src_mask */ 822 0x001fffff, /* dst_mask */ 823 TRUE), /* pcrel_offset */ 824 825 HOWTO (R_MIPS_PC26_S2, /* type */ 826 2, /* rightshift */ 827 2, /* size (0 = byte, 1 = short, 2 = long) */ 828 26, /* bitsize */ 829 TRUE, /* pc_relative */ 830 0, /* bitpos */ 831 complain_overflow_signed, /* complain_on_overflow */ 832 _bfd_mips_elf_generic_reloc, /* special_function */ 833 "R_MIPS_PC26_S2", /* name */ 834 TRUE, /* partial_inplace */ 835 0x03ffffff, /* src_mask */ 836 0x03ffffff, /* dst_mask */ 837 TRUE), /* pcrel_offset */ 838 839 HOWTO (R_MIPS_PC18_S3, /* type */ 840 3, /* rightshift */ 841 2, /* size (0 = byte, 1 = short, 2 = long) */ 842 18, /* bitsize */ 843 TRUE, /* pc_relative */ 844 0, /* bitpos */ 845 complain_overflow_signed, /* complain_on_overflow */ 846 _bfd_mips_elf_generic_reloc, /* special_function */ 847 "R_MIPS_PC18_S3", /* name */ 848 TRUE, /* partial_inplace */ 849 0x0003ffff, /* src_mask */ 850 0x0003ffff, /* dst_mask */ 851 TRUE), /* pcrel_offset */ 852 853 HOWTO (R_MIPS_PC19_S2, /* type */ 854 2, /* rightshift */ 855 2, /* size (0 = byte, 1 = short, 2 = long) */ 856 19, /* bitsize */ 857 TRUE, /* pc_relative */ 858 0, /* bitpos */ 859 complain_overflow_signed, /* complain_on_overflow */ 860 _bfd_mips_elf_generic_reloc, /* special_function */ 861 "R_MIPS_PC19_S2", /* name */ 862 TRUE, /* partial_inplace */ 863 0x0007ffff, /* src_mask */ 864 0x0007ffff, /* dst_mask */ 865 TRUE), /* pcrel_offset */ 866 867 HOWTO (R_MIPS_PCHI16, /* type */ 868 16, /* rightshift */ 869 2, /* size (0 = byte, 1 = short, 2 = long) */ 870 16, /* bitsize */ 871 TRUE, /* pc_relative */ 872 0, /* bitpos */ 873 complain_overflow_signed, /* complain_on_overflow */ 874 _bfd_mips_elf_generic_reloc, /* special_function */ 875 "R_MIPS_PCHI16", /* name */ 876 TRUE, /* partial_inplace */ 877 0x0000ffff, /* src_mask */ 878 0x0000ffff, /* dst_mask */ 879 TRUE), /* pcrel_offset */ 880 881 HOWTO (R_MIPS_PCLO16, /* type */ 882 0, /* rightshift */ 883 2, /* size (0 = byte, 1 = short, 2 = long) */ 884 16, /* bitsize */ 885 TRUE, /* pc_relative */ 886 0, /* bitpos */ 887 complain_overflow_dont, /* complain_on_overflow */ 888 _bfd_mips_elf_generic_reloc, /* special_function */ 889 "R_MIPS_PCLO16", /* name */ 890 TRUE, /* partial_inplace */ 891 0x0000ffff, /* src_mask */ 892 0x0000ffff, /* dst_mask */ 893 TRUE), /* pcrel_offset */ 894 895 }; 896 897 /* The relocation table used for SHT_RELA sections. */ 898 899 static reloc_howto_type mips_elf64_howto_table_rela[] = 900 { 901 /* No relocation. */ 902 HOWTO (R_MIPS_NONE, /* type */ 903 0, /* rightshift */ 904 3, /* size (0 = byte, 1 = short, 2 = long) */ 905 0, /* bitsize */ 906 FALSE, /* pc_relative */ 907 0, /* bitpos */ 908 complain_overflow_dont, /* complain_on_overflow */ 909 _bfd_mips_elf_generic_reloc, /* special_function */ 910 "R_MIPS_NONE", /* name */ 911 FALSE, /* partial_inplace */ 912 0, /* src_mask */ 913 0, /* dst_mask */ 914 FALSE), /* pcrel_offset */ 915 916 /* 16 bit relocation. */ 917 HOWTO (R_MIPS_16, /* type */ 918 0, /* rightshift */ 919 2, /* size (0 = byte, 1 = short, 2 = long) */ 920 16, /* bitsize */ 921 FALSE, /* pc_relative */ 922 0, /* bitpos */ 923 complain_overflow_signed, /* complain_on_overflow */ 924 _bfd_mips_elf_generic_reloc, /* special_function */ 925 "R_MIPS_16", /* name */ 926 FALSE, /* partial_inplace */ 927 0, /* src_mask */ 928 0x0000ffff, /* dst_mask */ 929 FALSE), /* pcrel_offset */ 930 931 /* 32 bit relocation. */ 932 HOWTO (R_MIPS_32, /* type */ 933 0, /* rightshift */ 934 2, /* size (0 = byte, 1 = short, 2 = long) */ 935 32, /* bitsize */ 936 FALSE, /* pc_relative */ 937 0, /* bitpos */ 938 complain_overflow_dont, /* complain_on_overflow */ 939 _bfd_mips_elf_generic_reloc, /* special_function */ 940 "R_MIPS_32", /* name */ 941 FALSE, /* partial_inplace */ 942 0, /* src_mask */ 943 0xffffffff, /* dst_mask */ 944 FALSE), /* pcrel_offset */ 945 946 /* 32 bit symbol relative relocation. */ 947 HOWTO (R_MIPS_REL32, /* type */ 948 0, /* rightshift */ 949 2, /* size (0 = byte, 1 = short, 2 = long) */ 950 32, /* bitsize */ 951 FALSE, /* pc_relative */ 952 0, /* bitpos */ 953 complain_overflow_dont, /* complain_on_overflow */ 954 _bfd_mips_elf_generic_reloc, /* special_function */ 955 "R_MIPS_REL32", /* name */ 956 FALSE, /* partial_inplace */ 957 0, /* src_mask */ 958 0xffffffff, /* dst_mask */ 959 FALSE), /* pcrel_offset */ 960 961 /* 26 bit jump address. */ 962 HOWTO (R_MIPS_26, /* type */ 963 2, /* rightshift */ 964 2, /* size (0 = byte, 1 = short, 2 = long) */ 965 26, /* bitsize */ 966 FALSE, /* pc_relative */ 967 0, /* bitpos */ 968 complain_overflow_dont, /* complain_on_overflow */ 969 /* This needs complex overflow 970 detection, because the upper 36 971 bits must match the PC + 4. */ 972 _bfd_mips_elf_generic_reloc, /* special_function */ 973 "R_MIPS_26", /* name */ 974 FALSE, /* partial_inplace */ 975 0, /* src_mask */ 976 0x03ffffff, /* dst_mask */ 977 FALSE), /* pcrel_offset */ 978 979 /* High 16 bits of symbol value. */ 980 HOWTO (R_MIPS_HI16, /* type */ 981 0, /* rightshift */ 982 2, /* size (0 = byte, 1 = short, 2 = long) */ 983 16, /* bitsize */ 984 FALSE, /* pc_relative */ 985 0, /* bitpos */ 986 complain_overflow_dont, /* complain_on_overflow */ 987 _bfd_mips_elf_generic_reloc, /* special_function */ 988 "R_MIPS_HI16", /* name */ 989 FALSE, /* partial_inplace */ 990 0, /* src_mask */ 991 0x0000ffff, /* dst_mask */ 992 FALSE), /* pcrel_offset */ 993 994 /* Low 16 bits of symbol value. */ 995 HOWTO (R_MIPS_LO16, /* type */ 996 0, /* rightshift */ 997 2, /* size (0 = byte, 1 = short, 2 = long) */ 998 16, /* bitsize */ 999 FALSE, /* pc_relative */ 1000 0, /* bitpos */ 1001 complain_overflow_dont, /* complain_on_overflow */ 1002 _bfd_mips_elf_generic_reloc, /* special_function */ 1003 "R_MIPS_LO16", /* name */ 1004 FALSE, /* partial_inplace */ 1005 0, /* src_mask */ 1006 0x0000ffff, /* dst_mask */ 1007 FALSE), /* pcrel_offset */ 1008 1009 /* GP relative reference. */ 1010 HOWTO (R_MIPS_GPREL16, /* type */ 1011 0, /* rightshift */ 1012 2, /* size (0 = byte, 1 = short, 2 = long) */ 1013 16, /* bitsize */ 1014 FALSE, /* pc_relative */ 1015 0, /* bitpos */ 1016 complain_overflow_signed, /* complain_on_overflow */ 1017 mips_elf64_gprel16_reloc, /* special_function */ 1018 "R_MIPS_GPREL16", /* name */ 1019 FALSE, /* partial_inplace */ 1020 0, /* src_mask */ 1021 0x0000ffff, /* dst_mask */ 1022 FALSE), /* pcrel_offset */ 1023 1024 /* Reference to literal section. */ 1025 HOWTO (R_MIPS_LITERAL, /* type */ 1026 0, /* rightshift */ 1027 2, /* size (0 = byte, 1 = short, 2 = long) */ 1028 16, /* bitsize */ 1029 FALSE, /* pc_relative */ 1030 0, /* bitpos */ 1031 complain_overflow_signed, /* complain_on_overflow */ 1032 mips_elf64_literal_reloc, /* special_function */ 1033 "R_MIPS_LITERAL", /* name */ 1034 FALSE, /* partial_inplace */ 1035 0, /* src_mask */ 1036 0x0000ffff, /* dst_mask */ 1037 FALSE), /* pcrel_offset */ 1038 1039 /* Reference to global offset table. */ 1040 HOWTO (R_MIPS_GOT16, /* type */ 1041 0, /* rightshift */ 1042 2, /* size (0 = byte, 1 = short, 2 = long) */ 1043 16, /* bitsize */ 1044 FALSE, /* pc_relative */ 1045 0, /* bitpos */ 1046 complain_overflow_signed, /* complain_on_overflow */ 1047 _bfd_mips_elf_generic_reloc, /* special_function */ 1048 "R_MIPS_GOT16", /* name */ 1049 FALSE, /* partial_inplace */ 1050 0, /* src_mask */ 1051 0x0000ffff, /* dst_mask */ 1052 FALSE), /* pcrel_offset */ 1053 1054 /* 16 bit PC relative reference. Note that the ABI document has a typo 1055 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 1056 We do the right thing here. */ 1057 HOWTO (R_MIPS_PC16, /* type */ 1058 2, /* rightshift */ 1059 2, /* size (0 = byte, 1 = short, 2 = long) */ 1060 16, /* bitsize */ 1061 TRUE, /* pc_relative */ 1062 0, /* bitpos */ 1063 complain_overflow_signed, /* complain_on_overflow */ 1064 _bfd_mips_elf_generic_reloc, /* special_function */ 1065 "R_MIPS_PC16", /* name */ 1066 FALSE, /* partial_inplace */ 1067 0, /* src_mask */ 1068 0x0000ffff, /* dst_mask */ 1069 TRUE), /* pcrel_offset */ 1070 1071 /* 16 bit call through global offset table. */ 1072 HOWTO (R_MIPS_CALL16, /* type */ 1073 0, /* rightshift */ 1074 2, /* size (0 = byte, 1 = short, 2 = long) */ 1075 16, /* bitsize */ 1076 FALSE, /* pc_relative */ 1077 0, /* bitpos */ 1078 complain_overflow_signed, /* complain_on_overflow */ 1079 _bfd_mips_elf_generic_reloc, /* special_function */ 1080 "R_MIPS_CALL16", /* name */ 1081 FALSE, /* partial_inplace */ 1082 0, /* src_mask */ 1083 0x0000ffff, /* dst_mask */ 1084 FALSE), /* pcrel_offset */ 1085 1086 /* 32 bit GP relative reference. */ 1087 HOWTO (R_MIPS_GPREL32, /* type */ 1088 0, /* rightshift */ 1089 2, /* size (0 = byte, 1 = short, 2 = long) */ 1090 32, /* bitsize */ 1091 FALSE, /* pc_relative */ 1092 0, /* bitpos */ 1093 complain_overflow_dont, /* complain_on_overflow */ 1094 mips_elf64_gprel32_reloc, /* special_function */ 1095 "R_MIPS_GPREL32", /* name */ 1096 FALSE, /* partial_inplace */ 1097 0, /* src_mask */ 1098 0xffffffff, /* dst_mask */ 1099 FALSE), /* pcrel_offset */ 1100 1101 EMPTY_HOWTO (13), 1102 EMPTY_HOWTO (14), 1103 EMPTY_HOWTO (15), 1104 1105 /* A 5 bit shift field. */ 1106 HOWTO (R_MIPS_SHIFT5, /* type */ 1107 0, /* rightshift */ 1108 2, /* size (0 = byte, 1 = short, 2 = long) */ 1109 5, /* bitsize */ 1110 FALSE, /* pc_relative */ 1111 6, /* bitpos */ 1112 complain_overflow_bitfield, /* complain_on_overflow */ 1113 _bfd_mips_elf_generic_reloc, /* special_function */ 1114 "R_MIPS_SHIFT5", /* name */ 1115 FALSE, /* partial_inplace */ 1116 0, /* src_mask */ 1117 0x000007c0, /* dst_mask */ 1118 FALSE), /* pcrel_offset */ 1119 1120 /* A 6 bit shift field. */ 1121 HOWTO (R_MIPS_SHIFT6, /* type */ 1122 0, /* rightshift */ 1123 2, /* size (0 = byte, 1 = short, 2 = long) */ 1124 6, /* bitsize */ 1125 FALSE, /* pc_relative */ 1126 6, /* bitpos */ 1127 complain_overflow_bitfield, /* complain_on_overflow */ 1128 mips_elf64_shift6_reloc, /* special_function */ 1129 "R_MIPS_SHIFT6", /* name */ 1130 FALSE, /* partial_inplace */ 1131 0, /* src_mask */ 1132 0x000007c4, /* dst_mask */ 1133 FALSE), /* pcrel_offset */ 1134 1135 /* 64 bit relocation. */ 1136 HOWTO (R_MIPS_64, /* type */ 1137 0, /* rightshift */ 1138 4, /* size (0 = byte, 1 = short, 2 = long) */ 1139 64, /* bitsize */ 1140 FALSE, /* pc_relative */ 1141 0, /* bitpos */ 1142 complain_overflow_dont, /* complain_on_overflow */ 1143 _bfd_mips_elf_generic_reloc, /* special_function */ 1144 "R_MIPS_64", /* name */ 1145 FALSE, /* partial_inplace */ 1146 0, /* src_mask */ 1147 MINUS_ONE, /* dst_mask */ 1148 FALSE), /* pcrel_offset */ 1149 1150 /* Displacement in the global offset table. */ 1151 HOWTO (R_MIPS_GOT_DISP, /* type */ 1152 0, /* rightshift */ 1153 2, /* size (0 = byte, 1 = short, 2 = long) */ 1154 16, /* bitsize */ 1155 FALSE, /* pc_relative */ 1156 0, /* bitpos */ 1157 complain_overflow_signed, /* complain_on_overflow */ 1158 _bfd_mips_elf_generic_reloc, /* special_function */ 1159 "R_MIPS_GOT_DISP", /* name */ 1160 FALSE, /* partial_inplace */ 1161 0, /* src_mask */ 1162 0x0000ffff, /* dst_mask */ 1163 FALSE), /* pcrel_offset */ 1164 1165 /* Displacement to page pointer in the global offset table. */ 1166 HOWTO (R_MIPS_GOT_PAGE, /* type */ 1167 0, /* rightshift */ 1168 2, /* size (0 = byte, 1 = short, 2 = long) */ 1169 16, /* bitsize */ 1170 FALSE, /* pc_relative */ 1171 0, /* bitpos */ 1172 complain_overflow_signed, /* complain_on_overflow */ 1173 _bfd_mips_elf_generic_reloc, /* special_function */ 1174 "R_MIPS_GOT_PAGE", /* name */ 1175 FALSE, /* partial_inplace */ 1176 0, /* src_mask */ 1177 0x0000ffff, /* dst_mask */ 1178 FALSE), /* pcrel_offset */ 1179 1180 /* Offset from page pointer in the global offset table. */ 1181 HOWTO (R_MIPS_GOT_OFST, /* type */ 1182 0, /* rightshift */ 1183 2, /* size (0 = byte, 1 = short, 2 = long) */ 1184 16, /* bitsize */ 1185 FALSE, /* pc_relative */ 1186 0, /* bitpos */ 1187 complain_overflow_signed, /* complain_on_overflow */ 1188 _bfd_mips_elf_generic_reloc, /* special_function */ 1189 "R_MIPS_GOT_OFST", /* name */ 1190 FALSE, /* partial_inplace */ 1191 0, /* src_mask */ 1192 0x0000ffff, /* dst_mask */ 1193 FALSE), /* pcrel_offset */ 1194 1195 /* High 16 bits of displacement in global offset table. */ 1196 HOWTO (R_MIPS_GOT_HI16, /* type */ 1197 0, /* rightshift */ 1198 2, /* size (0 = byte, 1 = short, 2 = long) */ 1199 16, /* bitsize */ 1200 FALSE, /* pc_relative */ 1201 0, /* bitpos */ 1202 complain_overflow_dont, /* complain_on_overflow */ 1203 _bfd_mips_elf_generic_reloc, /* special_function */ 1204 "R_MIPS_GOT_HI16", /* name */ 1205 FALSE, /* partial_inplace */ 1206 0, /* src_mask */ 1207 0x0000ffff, /* dst_mask */ 1208 FALSE), /* pcrel_offset */ 1209 1210 /* Low 16 bits of displacement in global offset table. */ 1211 HOWTO (R_MIPS_GOT_LO16, /* type */ 1212 0, /* rightshift */ 1213 2, /* size (0 = byte, 1 = short, 2 = long) */ 1214 16, /* bitsize */ 1215 FALSE, /* pc_relative */ 1216 0, /* bitpos */ 1217 complain_overflow_dont, /* complain_on_overflow */ 1218 _bfd_mips_elf_generic_reloc, /* special_function */ 1219 "R_MIPS_GOT_LO16", /* name */ 1220 FALSE, /* partial_inplace */ 1221 0, /* src_mask */ 1222 0x0000ffff, /* dst_mask */ 1223 FALSE), /* pcrel_offset */ 1224 1225 /* 64 bit subtraction. */ 1226 HOWTO (R_MIPS_SUB, /* type */ 1227 0, /* rightshift */ 1228 4, /* size (0 = byte, 1 = short, 2 = long) */ 1229 64, /* bitsize */ 1230 FALSE, /* pc_relative */ 1231 0, /* bitpos */ 1232 complain_overflow_dont, /* complain_on_overflow */ 1233 _bfd_mips_elf_generic_reloc, /* special_function */ 1234 "R_MIPS_SUB", /* name */ 1235 FALSE, /* partial_inplace */ 1236 0, /* src_mask */ 1237 MINUS_ONE, /* dst_mask */ 1238 FALSE), /* pcrel_offset */ 1239 1240 /* Insert the addend as an instruction. */ 1241 /* FIXME: Not handled correctly. */ 1242 HOWTO (R_MIPS_INSERT_A, /* type */ 1243 0, /* rightshift */ 1244 2, /* size (0 = byte, 1 = short, 2 = long) */ 1245 32, /* bitsize */ 1246 FALSE, /* pc_relative */ 1247 0, /* bitpos */ 1248 complain_overflow_dont, /* complain_on_overflow */ 1249 _bfd_mips_elf_generic_reloc, /* special_function */ 1250 "R_MIPS_INSERT_A", /* name */ 1251 FALSE, /* partial_inplace */ 1252 0, /* src_mask */ 1253 0xffffffff, /* dst_mask */ 1254 FALSE), /* pcrel_offset */ 1255 1256 /* Insert the addend as an instruction, and change all relocations 1257 to refer to the old instruction at the address. */ 1258 /* FIXME: Not handled correctly. */ 1259 HOWTO (R_MIPS_INSERT_B, /* type */ 1260 0, /* rightshift */ 1261 2, /* size (0 = byte, 1 = short, 2 = long) */ 1262 32, /* bitsize */ 1263 FALSE, /* pc_relative */ 1264 0, /* bitpos */ 1265 complain_overflow_dont, /* complain_on_overflow */ 1266 _bfd_mips_elf_generic_reloc, /* special_function */ 1267 "R_MIPS_INSERT_B", /* name */ 1268 FALSE, /* partial_inplace */ 1269 0, /* src_mask */ 1270 0xffffffff, /* dst_mask */ 1271 FALSE), /* pcrel_offset */ 1272 1273 /* Delete a 32 bit instruction. */ 1274 /* FIXME: Not handled correctly. */ 1275 HOWTO (R_MIPS_DELETE, /* type */ 1276 0, /* rightshift */ 1277 2, /* size (0 = byte, 1 = short, 2 = long) */ 1278 32, /* bitsize */ 1279 FALSE, /* pc_relative */ 1280 0, /* bitpos */ 1281 complain_overflow_dont, /* complain_on_overflow */ 1282 _bfd_mips_elf_generic_reloc, /* special_function */ 1283 "R_MIPS_DELETE", /* name */ 1284 FALSE, /* partial_inplace */ 1285 0, /* src_mask */ 1286 0xffffffff, /* dst_mask */ 1287 FALSE), /* pcrel_offset */ 1288 1289 /* Get the higher value of a 64 bit addend. */ 1290 HOWTO (R_MIPS_HIGHER, /* type */ 1291 0, /* rightshift */ 1292 2, /* size (0 = byte, 1 = short, 2 = long) */ 1293 16, /* bitsize */ 1294 FALSE, /* pc_relative */ 1295 0, /* bitpos */ 1296 complain_overflow_dont, /* complain_on_overflow */ 1297 _bfd_mips_elf_generic_reloc, /* special_function */ 1298 "R_MIPS_HIGHER", /* name */ 1299 FALSE, /* partial_inplace */ 1300 0, /* src_mask */ 1301 0x0000ffff, /* dst_mask */ 1302 FALSE), /* pcrel_offset */ 1303 1304 /* Get the highest value of a 64 bit addend. */ 1305 HOWTO (R_MIPS_HIGHEST, /* type */ 1306 0, /* rightshift */ 1307 2, /* size (0 = byte, 1 = short, 2 = long) */ 1308 16, /* bitsize */ 1309 FALSE, /* pc_relative */ 1310 0, /* bitpos */ 1311 complain_overflow_dont, /* complain_on_overflow */ 1312 _bfd_mips_elf_generic_reloc, /* special_function */ 1313 "R_MIPS_HIGHEST", /* name */ 1314 FALSE, /* partial_inplace */ 1315 0, /* src_mask */ 1316 0x0000ffff, /* dst_mask */ 1317 FALSE), /* pcrel_offset */ 1318 1319 /* High 16 bits of displacement in global offset table. */ 1320 HOWTO (R_MIPS_CALL_HI16, /* type */ 1321 0, /* rightshift */ 1322 2, /* size (0 = byte, 1 = short, 2 = long) */ 1323 16, /* bitsize */ 1324 FALSE, /* pc_relative */ 1325 0, /* bitpos */ 1326 complain_overflow_dont, /* complain_on_overflow */ 1327 _bfd_mips_elf_generic_reloc, /* special_function */ 1328 "R_MIPS_CALL_HI16", /* name */ 1329 FALSE, /* partial_inplace */ 1330 0, /* src_mask */ 1331 0x0000ffff, /* dst_mask */ 1332 FALSE), /* pcrel_offset */ 1333 1334 /* Low 16 bits of displacement in global offset table. */ 1335 HOWTO (R_MIPS_CALL_LO16, /* type */ 1336 0, /* rightshift */ 1337 2, /* size (0 = byte, 1 = short, 2 = long) */ 1338 16, /* bitsize */ 1339 FALSE, /* pc_relative */ 1340 0, /* bitpos */ 1341 complain_overflow_dont, /* complain_on_overflow */ 1342 _bfd_mips_elf_generic_reloc, /* special_function */ 1343 "R_MIPS_CALL_LO16", /* name */ 1344 FALSE, /* partial_inplace */ 1345 0, /* src_mask */ 1346 0x0000ffff, /* dst_mask */ 1347 FALSE), /* pcrel_offset */ 1348 1349 /* Section displacement, used by an associated event location section. */ 1350 HOWTO (R_MIPS_SCN_DISP, /* type */ 1351 0, /* rightshift */ 1352 2, /* size (0 = byte, 1 = short, 2 = long) */ 1353 32, /* bitsize */ 1354 FALSE, /* pc_relative */ 1355 0, /* bitpos */ 1356 complain_overflow_dont, /* complain_on_overflow */ 1357 _bfd_mips_elf_generic_reloc, /* special_function */ 1358 "R_MIPS_SCN_DISP", /* name */ 1359 FALSE, /* partial_inplace */ 1360 0, /* src_mask */ 1361 0xffffffff, /* dst_mask */ 1362 FALSE), /* pcrel_offset */ 1363 1364 HOWTO (R_MIPS_REL16, /* type */ 1365 0, /* rightshift */ 1366 1, /* size (0 = byte, 1 = short, 2 = long) */ 1367 16, /* bitsize */ 1368 FALSE, /* pc_relative */ 1369 0, /* bitpos */ 1370 complain_overflow_signed, /* complain_on_overflow */ 1371 _bfd_mips_elf_generic_reloc, /* special_function */ 1372 "R_MIPS_REL16", /* name */ 1373 FALSE, /* partial_inplace */ 1374 0, /* src_mask */ 1375 0xffff, /* dst_mask */ 1376 FALSE), /* pcrel_offset */ 1377 1378 /* These two are obsolete. */ 1379 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 1380 EMPTY_HOWTO (R_MIPS_PJUMP), 1381 1382 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 1383 It must be used for multigot GOT's (and only there). */ 1384 HOWTO (R_MIPS_RELGOT, /* type */ 1385 0, /* rightshift */ 1386 2, /* size (0 = byte, 1 = short, 2 = long) */ 1387 32, /* bitsize */ 1388 FALSE, /* pc_relative */ 1389 0, /* bitpos */ 1390 complain_overflow_dont, /* complain_on_overflow */ 1391 _bfd_mips_elf_generic_reloc, /* special_function */ 1392 "R_MIPS_RELGOT", /* name */ 1393 FALSE, /* partial_inplace */ 1394 0, /* src_mask */ 1395 0xffffffff, /* dst_mask */ 1396 FALSE), /* pcrel_offset */ 1397 1398 /* Protected jump conversion. This is an optimization hint. No 1399 relocation is required for correctness. */ 1400 HOWTO (R_MIPS_JALR, /* type */ 1401 0, /* rightshift */ 1402 2, /* size (0 = byte, 1 = short, 2 = long) */ 1403 32, /* bitsize */ 1404 FALSE, /* pc_relative */ 1405 0, /* bitpos */ 1406 complain_overflow_dont, /* complain_on_overflow */ 1407 _bfd_mips_elf_generic_reloc, /* special_function */ 1408 "R_MIPS_JALR", /* name */ 1409 FALSE, /* partial_inplace */ 1410 0, /* src_mask */ 1411 0x00000000, /* dst_mask */ 1412 FALSE), /* pcrel_offset */ 1413 1414 /* TLS relocations. */ 1415 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 1416 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 1417 1418 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 1419 0, /* rightshift */ 1420 4, /* size (0 = byte, 1 = short, 2 = long) */ 1421 64, /* bitsize */ 1422 FALSE, /* pc_relative */ 1423 0, /* bitpos */ 1424 complain_overflow_dont, /* complain_on_overflow */ 1425 _bfd_mips_elf_generic_reloc, /* special_function */ 1426 "R_MIPS_TLS_DTPMOD64", /* name */ 1427 FALSE, /* partial_inplace */ 1428 0, /* src_mask */ 1429 MINUS_ONE, /* dst_mask */ 1430 FALSE), /* pcrel_offset */ 1431 1432 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 1433 0, /* rightshift */ 1434 4, /* size (0 = byte, 1 = short, 2 = long) */ 1435 64, /* bitsize */ 1436 FALSE, /* pc_relative */ 1437 0, /* bitpos */ 1438 complain_overflow_dont, /* complain_on_overflow */ 1439 _bfd_mips_elf_generic_reloc, /* special_function */ 1440 "R_MIPS_TLS_DTPREL64", /* name */ 1441 FALSE, /* partial_inplace */ 1442 0, /* src_mask */ 1443 MINUS_ONE, /* dst_mask */ 1444 FALSE), /* pcrel_offset */ 1445 1446 /* TLS general dynamic variable reference. */ 1447 HOWTO (R_MIPS_TLS_GD, /* type */ 1448 0, /* rightshift */ 1449 2, /* size (0 = byte, 1 = short, 2 = long) */ 1450 16, /* bitsize */ 1451 FALSE, /* pc_relative */ 1452 0, /* bitpos */ 1453 complain_overflow_signed, /* complain_on_overflow */ 1454 _bfd_mips_elf_generic_reloc, /* special_function */ 1455 "R_MIPS_TLS_GD", /* name */ 1456 FALSE, /* partial_inplace */ 1457 0, /* src_mask */ 1458 0x0000ffff, /* dst_mask */ 1459 FALSE), /* pcrel_offset */ 1460 1461 /* TLS local dynamic variable reference. */ 1462 HOWTO (R_MIPS_TLS_LDM, /* type */ 1463 0, /* rightshift */ 1464 2, /* size (0 = byte, 1 = short, 2 = long) */ 1465 16, /* bitsize */ 1466 FALSE, /* pc_relative */ 1467 0, /* bitpos */ 1468 complain_overflow_signed, /* complain_on_overflow */ 1469 _bfd_mips_elf_generic_reloc, /* special_function */ 1470 "R_MIPS_TLS_LDM", /* name */ 1471 FALSE, /* partial_inplace */ 1472 0, /* src_mask */ 1473 0x0000ffff, /* dst_mask */ 1474 FALSE), /* pcrel_offset */ 1475 1476 /* TLS local dynamic offset. */ 1477 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 1478 0, /* rightshift */ 1479 2, /* size (0 = byte, 1 = short, 2 = long) */ 1480 16, /* bitsize */ 1481 FALSE, /* pc_relative */ 1482 0, /* bitpos */ 1483 complain_overflow_signed, /* complain_on_overflow */ 1484 _bfd_mips_elf_generic_reloc, /* special_function */ 1485 "R_MIPS_TLS_DTPREL_HI16", /* name */ 1486 FALSE, /* partial_inplace */ 1487 0, /* src_mask */ 1488 0x0000ffff, /* dst_mask */ 1489 FALSE), /* pcrel_offset */ 1490 1491 /* TLS local dynamic offset. */ 1492 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 1493 0, /* rightshift */ 1494 2, /* size (0 = byte, 1 = short, 2 = long) */ 1495 16, /* bitsize */ 1496 FALSE, /* pc_relative */ 1497 0, /* bitpos */ 1498 complain_overflow_signed, /* complain_on_overflow */ 1499 _bfd_mips_elf_generic_reloc, /* special_function */ 1500 "R_MIPS_TLS_DTPREL_LO16", /* name */ 1501 FALSE, /* partial_inplace */ 1502 0, /* src_mask */ 1503 0x0000ffff, /* dst_mask */ 1504 FALSE), /* pcrel_offset */ 1505 1506 /* TLS thread pointer offset. */ 1507 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 1508 0, /* rightshift */ 1509 2, /* size (0 = byte, 1 = short, 2 = long) */ 1510 16, /* bitsize */ 1511 FALSE, /* pc_relative */ 1512 0, /* bitpos */ 1513 complain_overflow_signed, /* complain_on_overflow */ 1514 _bfd_mips_elf_generic_reloc, /* special_function */ 1515 "R_MIPS_TLS_GOTTPREL", /* name */ 1516 FALSE, /* partial_inplace */ 1517 0, /* src_mask */ 1518 0x0000ffff, /* dst_mask */ 1519 FALSE), /* pcrel_offset */ 1520 1521 /* TLS IE dynamic relocations. */ 1522 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 1523 1524 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 1525 0, /* rightshift */ 1526 4, /* size (0 = byte, 1 = short, 2 = long) */ 1527 64, /* bitsize */ 1528 FALSE, /* pc_relative */ 1529 0, /* bitpos */ 1530 complain_overflow_dont, /* complain_on_overflow */ 1531 _bfd_mips_elf_generic_reloc, /* special_function */ 1532 "R_MIPS_TLS_TPREL64", /* name */ 1533 FALSE, /* partial_inplace */ 1534 0, /* src_mask */ 1535 MINUS_ONE, /* dst_mask */ 1536 FALSE), /* pcrel_offset */ 1537 1538 /* TLS thread pointer offset. */ 1539 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 1540 0, /* rightshift */ 1541 2, /* size (0 = byte, 1 = short, 2 = long) */ 1542 16, /* bitsize */ 1543 FALSE, /* pc_relative */ 1544 0, /* bitpos */ 1545 complain_overflow_signed, /* complain_on_overflow */ 1546 _bfd_mips_elf_generic_reloc, /* special_function */ 1547 "R_MIPS_TLS_TPREL_HI16", /* name */ 1548 FALSE, /* partial_inplace */ 1549 0, /* src_mask */ 1550 0x0000ffff, /* dst_mask */ 1551 FALSE), /* pcrel_offset */ 1552 1553 /* TLS thread pointer offset. */ 1554 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 1555 0, /* rightshift */ 1556 2, /* size (0 = byte, 1 = short, 2 = long) */ 1557 16, /* bitsize */ 1558 FALSE, /* pc_relative */ 1559 0, /* bitpos */ 1560 complain_overflow_signed, /* complain_on_overflow */ 1561 _bfd_mips_elf_generic_reloc, /* special_function */ 1562 "R_MIPS_TLS_TPREL_LO16", /* name */ 1563 FALSE, /* partial_inplace */ 1564 0, /* src_mask */ 1565 0x0000ffff, /* dst_mask */ 1566 FALSE), /* pcrel_offset */ 1567 1568 /* 32 bit relocation with no addend. */ 1569 HOWTO (R_MIPS_GLOB_DAT, /* type */ 1570 0, /* rightshift */ 1571 2, /* size (0 = byte, 1 = short, 2 = long) */ 1572 32, /* bitsize */ 1573 FALSE, /* pc_relative */ 1574 0, /* bitpos */ 1575 complain_overflow_dont, /* complain_on_overflow */ 1576 _bfd_mips_elf_generic_reloc, /* special_function */ 1577 "R_MIPS_GLOB_DAT", /* name */ 1578 FALSE, /* partial_inplace */ 1579 0x0, /* src_mask */ 1580 0xffffffff, /* dst_mask */ 1581 FALSE), /* pcrel_offset */ 1582 1583 EMPTY_HOWTO (52), 1584 EMPTY_HOWTO (53), 1585 EMPTY_HOWTO (54), 1586 EMPTY_HOWTO (55), 1587 EMPTY_HOWTO (56), 1588 EMPTY_HOWTO (57), 1589 EMPTY_HOWTO (58), 1590 EMPTY_HOWTO (59), 1591 1592 HOWTO (R_MIPS_PC21_S2, /* type */ 1593 2, /* rightshift */ 1594 2, /* size (0 = byte, 1 = short, 2 = long) */ 1595 21, /* bitsize */ 1596 TRUE, /* pc_relative */ 1597 0, /* bitpos */ 1598 complain_overflow_signed, /* complain_on_overflow */ 1599 _bfd_mips_elf_generic_reloc, /* special_function */ 1600 "R_MIPS_PC21_S2", /* name */ 1601 FALSE, /* partial_inplace */ 1602 0, /* src_mask */ 1603 0x001fffff, /* dst_mask */ 1604 TRUE), /* pcrel_offset */ 1605 1606 HOWTO (R_MIPS_PC26_S2, /* type */ 1607 2, /* rightshift */ 1608 2, /* size (0 = byte, 1 = short, 2 = long) */ 1609 26, /* bitsize */ 1610 TRUE, /* pc_relative */ 1611 0, /* bitpos */ 1612 complain_overflow_signed, /* complain_on_overflow */ 1613 _bfd_mips_elf_generic_reloc, /* special_function */ 1614 "R_MIPS_PC26_S2", /* name */ 1615 FALSE, /* partial_inplace */ 1616 0, /* src_mask */ 1617 0x03ffffff, /* dst_mask */ 1618 TRUE), /* pcrel_offset */ 1619 1620 HOWTO (R_MIPS_PC18_S3, /* type */ 1621 3, /* rightshift */ 1622 2, /* size (0 = byte, 1 = short, 2 = long) */ 1623 18, /* bitsize */ 1624 TRUE, /* pc_relative */ 1625 0, /* bitpos */ 1626 complain_overflow_signed, /* complain_on_overflow */ 1627 _bfd_mips_elf_generic_reloc, /* special_function */ 1628 "R_MIPS_PC18_S3", /* name */ 1629 FALSE, /* partial_inplace */ 1630 0, /* src_mask */ 1631 0x0003ffff, /* dst_mask */ 1632 TRUE), /* pcrel_offset */ 1633 1634 HOWTO (R_MIPS_PC19_S2, /* type */ 1635 2, /* rightshift */ 1636 2, /* size (0 = byte, 1 = short, 2 = long) */ 1637 19, /* bitsize */ 1638 TRUE, /* pc_relative */ 1639 0, /* bitpos */ 1640 complain_overflow_signed, /* complain_on_overflow */ 1641 _bfd_mips_elf_generic_reloc, /* special_function */ 1642 "R_MIPS_PC19_S2", /* name */ 1643 FALSE, /* partial_inplace */ 1644 0, /* src_mask */ 1645 0x0007ffff, /* dst_mask */ 1646 TRUE), /* pcrel_offset */ 1647 1648 HOWTO (R_MIPS_PCHI16, /* type */ 1649 16, /* rightshift */ 1650 2, /* size (0 = byte, 1 = short, 2 = long) */ 1651 16, /* bitsize */ 1652 TRUE, /* pc_relative */ 1653 0, /* bitpos */ 1654 complain_overflow_signed, /* complain_on_overflow */ 1655 _bfd_mips_elf_generic_reloc, /* special_function */ 1656 "R_MIPS_PCHI16", /* name */ 1657 FALSE, /* partial_inplace */ 1658 0, /* src_mask */ 1659 0x0000ffff, /* dst_mask */ 1660 TRUE), /* pcrel_offset */ 1661 1662 HOWTO (R_MIPS_PCLO16, /* type */ 1663 0, /* rightshift */ 1664 2, /* size (0 = byte, 1 = short, 2 = long) */ 1665 16, /* bitsize */ 1666 TRUE, /* pc_relative */ 1667 0, /* bitpos */ 1668 complain_overflow_dont, /* complain_on_overflow */ 1669 _bfd_mips_elf_generic_reloc, /* special_function */ 1670 "R_MIPS_PCLO16", /* name */ 1671 FALSE, /* partial_inplace */ 1672 0, /* src_mask */ 1673 0x0000ffff, /* dst_mask */ 1674 TRUE), /* pcrel_offset */ 1675 1676 }; 1677 1678 static reloc_howto_type mips16_elf64_howto_table_rel[] = 1679 { 1680 /* The reloc used for the mips16 jump instruction. */ 1681 HOWTO (R_MIPS16_26, /* type */ 1682 2, /* rightshift */ 1683 2, /* size (0 = byte, 1 = short, 2 = long) */ 1684 26, /* bitsize */ 1685 FALSE, /* pc_relative */ 1686 0, /* bitpos */ 1687 complain_overflow_dont, /* complain_on_overflow */ 1688 /* This needs complex overflow 1689 detection, because the upper four 1690 bits must match the PC. */ 1691 _bfd_mips_elf_generic_reloc, /* special_function */ 1692 "R_MIPS16_26", /* name */ 1693 TRUE, /* partial_inplace */ 1694 0x3ffffff, /* src_mask */ 1695 0x3ffffff, /* dst_mask */ 1696 FALSE), /* pcrel_offset */ 1697 1698 /* The reloc used for the mips16 gprel instruction. */ 1699 HOWTO (R_MIPS16_GPREL, /* type */ 1700 0, /* rightshift */ 1701 2, /* size (0 = byte, 1 = short, 2 = long) */ 1702 16, /* bitsize */ 1703 FALSE, /* pc_relative */ 1704 0, /* bitpos */ 1705 complain_overflow_signed, /* complain_on_overflow */ 1706 mips16_gprel_reloc, /* special_function */ 1707 "R_MIPS16_GPREL", /* name */ 1708 TRUE, /* partial_inplace */ 1709 0x0000ffff, /* src_mask */ 1710 0x0000ffff, /* dst_mask */ 1711 FALSE), /* pcrel_offset */ 1712 1713 /* A MIPS16 reference to the global offset table. */ 1714 HOWTO (R_MIPS16_GOT16, /* type */ 1715 0, /* rightshift */ 1716 2, /* size (0 = byte, 1 = short, 2 = long) */ 1717 16, /* bitsize */ 1718 FALSE, /* pc_relative */ 1719 0, /* bitpos */ 1720 complain_overflow_dont, /* complain_on_overflow */ 1721 _bfd_mips_elf_got16_reloc, /* special_function */ 1722 "R_MIPS16_GOT16", /* name */ 1723 TRUE, /* partial_inplace */ 1724 0x0000ffff, /* src_mask */ 1725 0x0000ffff, /* dst_mask */ 1726 FALSE), /* pcrel_offset */ 1727 1728 /* A MIPS16 call through the global offset table. */ 1729 HOWTO (R_MIPS16_CALL16, /* type */ 1730 0, /* rightshift */ 1731 2, /* size (0 = byte, 1 = short, 2 = long) */ 1732 16, /* bitsize */ 1733 FALSE, /* pc_relative */ 1734 0, /* bitpos */ 1735 complain_overflow_dont, /* complain_on_overflow */ 1736 _bfd_mips_elf_generic_reloc, /* special_function */ 1737 "R_MIPS16_CALL16", /* name */ 1738 TRUE, /* partial_inplace */ 1739 0x0000ffff, /* src_mask */ 1740 0x0000ffff, /* dst_mask */ 1741 FALSE), /* pcrel_offset */ 1742 1743 /* MIPS16 high 16 bits of symbol value. */ 1744 HOWTO (R_MIPS16_HI16, /* type */ 1745 16, /* rightshift */ 1746 2, /* size (0 = byte, 1 = short, 2 = long) */ 1747 16, /* bitsize */ 1748 FALSE, /* pc_relative */ 1749 0, /* bitpos */ 1750 complain_overflow_dont, /* complain_on_overflow */ 1751 _bfd_mips_elf_hi16_reloc, /* special_function */ 1752 "R_MIPS16_HI16", /* name */ 1753 TRUE, /* partial_inplace */ 1754 0x0000ffff, /* src_mask */ 1755 0x0000ffff, /* dst_mask */ 1756 FALSE), /* pcrel_offset */ 1757 1758 /* MIPS16 low 16 bits of symbol value. */ 1759 HOWTO (R_MIPS16_LO16, /* type */ 1760 0, /* rightshift */ 1761 2, /* size (0 = byte, 1 = short, 2 = long) */ 1762 16, /* bitsize */ 1763 FALSE, /* pc_relative */ 1764 0, /* bitpos */ 1765 complain_overflow_dont, /* complain_on_overflow */ 1766 _bfd_mips_elf_lo16_reloc, /* special_function */ 1767 "R_MIPS16_LO16", /* name */ 1768 TRUE, /* partial_inplace */ 1769 0x0000ffff, /* src_mask */ 1770 0x0000ffff, /* dst_mask */ 1771 FALSE), /* pcrel_offset */ 1772 1773 /* MIPS16 TLS general dynamic variable reference. */ 1774 HOWTO (R_MIPS16_TLS_GD, /* type */ 1775 0, /* rightshift */ 1776 2, /* size (0 = byte, 1 = short, 2 = long) */ 1777 16, /* bitsize */ 1778 FALSE, /* pc_relative */ 1779 0, /* bitpos */ 1780 complain_overflow_signed, /* complain_on_overflow */ 1781 _bfd_mips_elf_generic_reloc, /* special_function */ 1782 "R_MIPS16_TLS_GD", /* name */ 1783 TRUE, /* partial_inplace */ 1784 0x0000ffff, /* src_mask */ 1785 0x0000ffff, /* dst_mask */ 1786 FALSE), /* pcrel_offset */ 1787 1788 /* MIPS16 TLS local dynamic variable reference. */ 1789 HOWTO (R_MIPS16_TLS_LDM, /* type */ 1790 0, /* rightshift */ 1791 2, /* size (0 = byte, 1 = short, 2 = long) */ 1792 16, /* bitsize */ 1793 FALSE, /* pc_relative */ 1794 0, /* bitpos */ 1795 complain_overflow_signed, /* complain_on_overflow */ 1796 _bfd_mips_elf_generic_reloc, /* special_function */ 1797 "R_MIPS16_TLS_LDM", /* name */ 1798 TRUE, /* partial_inplace */ 1799 0x0000ffff, /* src_mask */ 1800 0x0000ffff, /* dst_mask */ 1801 FALSE), /* pcrel_offset */ 1802 1803 /* MIPS16 TLS local dynamic offset. */ 1804 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 1805 0, /* rightshift */ 1806 2, /* size (0 = byte, 1 = short, 2 = long) */ 1807 16, /* bitsize */ 1808 FALSE, /* pc_relative */ 1809 0, /* bitpos */ 1810 complain_overflow_signed, /* complain_on_overflow */ 1811 _bfd_mips_elf_generic_reloc, /* special_function */ 1812 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 1813 TRUE, /* partial_inplace */ 1814 0x0000ffff, /* src_mask */ 1815 0x0000ffff, /* dst_mask */ 1816 FALSE), /* pcrel_offset */ 1817 1818 /* MIPS16 TLS local dynamic offset. */ 1819 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 1820 0, /* rightshift */ 1821 2, /* size (0 = byte, 1 = short, 2 = long) */ 1822 16, /* bitsize */ 1823 FALSE, /* pc_relative */ 1824 0, /* bitpos */ 1825 complain_overflow_signed, /* complain_on_overflow */ 1826 _bfd_mips_elf_generic_reloc, /* special_function */ 1827 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 1828 TRUE, /* partial_inplace */ 1829 0x0000ffff, /* src_mask */ 1830 0x0000ffff, /* dst_mask */ 1831 FALSE), /* pcrel_offset */ 1832 1833 /* MIPS16 TLS thread pointer offset. */ 1834 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 1835 0, /* rightshift */ 1836 2, /* size (0 = byte, 1 = short, 2 = long) */ 1837 16, /* bitsize */ 1838 FALSE, /* pc_relative */ 1839 0, /* bitpos */ 1840 complain_overflow_signed, /* complain_on_overflow */ 1841 _bfd_mips_elf_generic_reloc, /* special_function */ 1842 "R_MIPS16_TLS_GOTTPREL", /* name */ 1843 TRUE, /* partial_inplace */ 1844 0x0000ffff, /* src_mask */ 1845 0x0000ffff, /* dst_mask */ 1846 FALSE), /* pcrel_offset */ 1847 1848 /* MIPS16 TLS thread pointer offset. */ 1849 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1850 0, /* rightshift */ 1851 2, /* size (0 = byte, 1 = short, 2 = long) */ 1852 16, /* bitsize */ 1853 FALSE, /* pc_relative */ 1854 0, /* bitpos */ 1855 complain_overflow_signed, /* complain_on_overflow */ 1856 _bfd_mips_elf_generic_reloc, /* special_function */ 1857 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1858 TRUE, /* partial_inplace */ 1859 0x0000ffff, /* src_mask */ 1860 0x0000ffff, /* dst_mask */ 1861 FALSE), /* pcrel_offset */ 1862 1863 /* MIPS16 TLS thread pointer offset. */ 1864 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1865 0, /* rightshift */ 1866 2, /* size (0 = byte, 1 = short, 2 = long) */ 1867 16, /* bitsize */ 1868 FALSE, /* pc_relative */ 1869 0, /* bitpos */ 1870 complain_overflow_signed, /* complain_on_overflow */ 1871 _bfd_mips_elf_generic_reloc, /* special_function */ 1872 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1873 TRUE, /* partial_inplace */ 1874 0x0000ffff, /* src_mask */ 1875 0x0000ffff, /* dst_mask */ 1876 FALSE), /* pcrel_offset */ 1877 1878 /* MIPS16 16-bit PC-relative branch offset. */ 1879 HOWTO (R_MIPS16_PC16_S1, /* type */ 1880 1, /* rightshift */ 1881 2, /* size (0 = byte, 1 = short, 2 = long) */ 1882 16, /* bitsize */ 1883 TRUE, /* pc_relative */ 1884 0, /* bitpos */ 1885 complain_overflow_signed, /* complain_on_overflow */ 1886 _bfd_mips_elf_generic_reloc, /* special_function */ 1887 "R_MIPS16_PC16_S1", /* name */ 1888 TRUE, /* partial_inplace */ 1889 0x0000ffff, /* src_mask */ 1890 0x0000ffff, /* dst_mask */ 1891 TRUE), /* pcrel_offset */ 1892 }; 1893 1894 static reloc_howto_type mips16_elf64_howto_table_rela[] = 1895 { 1896 /* The reloc used for the mips16 jump instruction. */ 1897 HOWTO (R_MIPS16_26, /* type */ 1898 2, /* rightshift */ 1899 2, /* size (0 = byte, 1 = short, 2 = long) */ 1900 26, /* bitsize */ 1901 FALSE, /* pc_relative */ 1902 0, /* bitpos */ 1903 complain_overflow_dont, /* complain_on_overflow */ 1904 /* This needs complex overflow 1905 detection, because the upper four 1906 bits must match the PC. */ 1907 _bfd_mips_elf_generic_reloc, /* special_function */ 1908 "R_MIPS16_26", /* name */ 1909 FALSE, /* partial_inplace */ 1910 0, /* src_mask */ 1911 0x3ffffff, /* dst_mask */ 1912 FALSE), /* pcrel_offset */ 1913 1914 /* The reloc used for the mips16 gprel instruction. */ 1915 HOWTO (R_MIPS16_GPREL, /* type */ 1916 0, /* rightshift */ 1917 2, /* size (0 = byte, 1 = short, 2 = long) */ 1918 16, /* bitsize */ 1919 FALSE, /* pc_relative */ 1920 0, /* bitpos */ 1921 complain_overflow_signed, /* complain_on_overflow */ 1922 mips16_gprel_reloc, /* special_function */ 1923 "R_MIPS16_GPREL", /* name */ 1924 FALSE, /* partial_inplace */ 1925 0, /* src_mask */ 1926 0x0000ffff, /* dst_mask */ 1927 FALSE), /* pcrel_offset */ 1928 1929 /* A MIPS16 reference to the global offset table. */ 1930 HOWTO (R_MIPS16_GOT16, /* type */ 1931 0, /* rightshift */ 1932 2, /* size (0 = byte, 1 = short, 2 = long) */ 1933 16, /* bitsize */ 1934 FALSE, /* pc_relative */ 1935 0, /* bitpos */ 1936 complain_overflow_dont, /* complain_on_overflow */ 1937 _bfd_mips_elf_got16_reloc, /* special_function */ 1938 "R_MIPS16_GOT16", /* name */ 1939 FALSE, /* partial_inplace */ 1940 0, /* src_mask */ 1941 0x0000ffff, /* dst_mask */ 1942 FALSE), /* pcrel_offset */ 1943 1944 /* A MIPS16 call through the global offset table. */ 1945 HOWTO (R_MIPS16_CALL16, /* type */ 1946 0, /* rightshift */ 1947 2, /* size (0 = byte, 1 = short, 2 = long) */ 1948 16, /* bitsize */ 1949 FALSE, /* pc_relative */ 1950 0, /* bitpos */ 1951 complain_overflow_dont, /* complain_on_overflow */ 1952 _bfd_mips_elf_generic_reloc, /* special_function */ 1953 "R_MIPS16_CALL16", /* name */ 1954 FALSE, /* partial_inplace */ 1955 0, /* src_mask */ 1956 0x0000ffff, /* dst_mask */ 1957 FALSE), /* pcrel_offset */ 1958 1959 /* MIPS16 high 16 bits of symbol value. */ 1960 HOWTO (R_MIPS16_HI16, /* type */ 1961 16, /* rightshift */ 1962 2, /* size (0 = byte, 1 = short, 2 = long) */ 1963 16, /* bitsize */ 1964 FALSE, /* pc_relative */ 1965 0, /* bitpos */ 1966 complain_overflow_dont, /* complain_on_overflow */ 1967 _bfd_mips_elf_hi16_reloc, /* special_function */ 1968 "R_MIPS16_HI16", /* name */ 1969 FALSE, /* partial_inplace */ 1970 0, /* src_mask */ 1971 0x0000ffff, /* dst_mask */ 1972 FALSE), /* pcrel_offset */ 1973 1974 /* MIPS16 low 16 bits of symbol value. */ 1975 HOWTO (R_MIPS16_LO16, /* type */ 1976 0, /* rightshift */ 1977 2, /* size (0 = byte, 1 = short, 2 = long) */ 1978 16, /* bitsize */ 1979 FALSE, /* pc_relative */ 1980 0, /* bitpos */ 1981 complain_overflow_dont, /* complain_on_overflow */ 1982 _bfd_mips_elf_lo16_reloc, /* special_function */ 1983 "R_MIPS16_LO16", /* name */ 1984 FALSE, /* partial_inplace */ 1985 0, /* src_mask */ 1986 0x0000ffff, /* dst_mask */ 1987 FALSE), /* pcrel_offset */ 1988 1989 /* MIPS16 TLS general dynamic variable reference. */ 1990 HOWTO (R_MIPS16_TLS_GD, /* type */ 1991 0, /* rightshift */ 1992 2, /* size (0 = byte, 1 = short, 2 = long) */ 1993 16, /* bitsize */ 1994 FALSE, /* pc_relative */ 1995 0, /* bitpos */ 1996 complain_overflow_signed, /* complain_on_overflow */ 1997 _bfd_mips_elf_generic_reloc, /* special_function */ 1998 "R_MIPS16_TLS_GD", /* name */ 1999 FALSE, /* partial_inplace */ 2000 0, /* src_mask */ 2001 0x0000ffff, /* dst_mask */ 2002 FALSE), /* pcrel_offset */ 2003 2004 /* MIPS16 TLS local dynamic variable reference. */ 2005 HOWTO (R_MIPS16_TLS_LDM, /* type */ 2006 0, /* rightshift */ 2007 2, /* size (0 = byte, 1 = short, 2 = long) */ 2008 16, /* bitsize */ 2009 FALSE, /* pc_relative */ 2010 0, /* bitpos */ 2011 complain_overflow_signed, /* complain_on_overflow */ 2012 _bfd_mips_elf_generic_reloc, /* special_function */ 2013 "R_MIPS16_TLS_LDM", /* name */ 2014 FALSE, /* partial_inplace */ 2015 0, /* src_mask */ 2016 0x0000ffff, /* dst_mask */ 2017 FALSE), /* pcrel_offset */ 2018 2019 /* MIPS16 TLS local dynamic offset. */ 2020 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 2021 0, /* rightshift */ 2022 2, /* size (0 = byte, 1 = short, 2 = long) */ 2023 16, /* bitsize */ 2024 FALSE, /* pc_relative */ 2025 0, /* bitpos */ 2026 complain_overflow_signed, /* complain_on_overflow */ 2027 _bfd_mips_elf_generic_reloc, /* special_function */ 2028 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 2029 FALSE, /* partial_inplace */ 2030 0, /* src_mask */ 2031 0x0000ffff, /* dst_mask */ 2032 FALSE), /* pcrel_offset */ 2033 2034 /* MIPS16 TLS local dynamic offset. */ 2035 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 2036 0, /* rightshift */ 2037 2, /* size (0 = byte, 1 = short, 2 = long) */ 2038 16, /* bitsize */ 2039 FALSE, /* pc_relative */ 2040 0, /* bitpos */ 2041 complain_overflow_signed, /* complain_on_overflow */ 2042 _bfd_mips_elf_generic_reloc, /* special_function */ 2043 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 2044 FALSE, /* partial_inplace */ 2045 0, /* src_mask */ 2046 0x0000ffff, /* dst_mask */ 2047 FALSE), /* pcrel_offset */ 2048 2049 /* MIPS16 TLS thread pointer offset. */ 2050 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 2051 0, /* rightshift */ 2052 2, /* size (0 = byte, 1 = short, 2 = long) */ 2053 16, /* bitsize */ 2054 FALSE, /* pc_relative */ 2055 0, /* bitpos */ 2056 complain_overflow_signed, /* complain_on_overflow */ 2057 _bfd_mips_elf_generic_reloc, /* special_function */ 2058 "R_MIPS16_TLS_GOTTPREL", /* name */ 2059 FALSE, /* partial_inplace */ 2060 0, /* src_mask */ 2061 0x0000ffff, /* dst_mask */ 2062 FALSE), /* pcrel_offset */ 2063 2064 /* MIPS16 TLS thread pointer offset. */ 2065 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 2066 0, /* rightshift */ 2067 2, /* size (0 = byte, 1 = short, 2 = long) */ 2068 16, /* bitsize */ 2069 FALSE, /* pc_relative */ 2070 0, /* bitpos */ 2071 complain_overflow_signed, /* complain_on_overflow */ 2072 _bfd_mips_elf_generic_reloc, /* special_function */ 2073 "R_MIPS16_TLS_TPREL_HI16", /* name */ 2074 FALSE, /* partial_inplace */ 2075 0, /* src_mask */ 2076 0x0000ffff, /* dst_mask */ 2077 FALSE), /* pcrel_offset */ 2078 2079 /* MIPS16 TLS thread pointer offset. */ 2080 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 2081 0, /* rightshift */ 2082 2, /* size (0 = byte, 1 = short, 2 = long) */ 2083 16, /* bitsize */ 2084 FALSE, /* pc_relative */ 2085 0, /* bitpos */ 2086 complain_overflow_signed, /* complain_on_overflow */ 2087 _bfd_mips_elf_generic_reloc, /* special_function */ 2088 "R_MIPS16_TLS_TPREL_LO16", /* name */ 2089 FALSE, /* partial_inplace */ 2090 0, /* src_mask */ 2091 0x0000ffff, /* dst_mask */ 2092 FALSE), /* pcrel_offset */ 2093 2094 /* MIPS16 16-bit PC-relative branch offset. */ 2095 HOWTO (R_MIPS16_PC16_S1, /* type */ 2096 1, /* rightshift */ 2097 2, /* size (0 = byte, 1 = short, 2 = long) */ 2098 16, /* bitsize */ 2099 TRUE, /* pc_relative */ 2100 0, /* bitpos */ 2101 complain_overflow_signed, /* complain_on_overflow */ 2102 _bfd_mips_elf_generic_reloc, /* special_function */ 2103 "R_MIPS16_PC16_S1", /* name */ 2104 FALSE, /* partial_inplace */ 2105 0, /* src_mask */ 2106 0x0000ffff, /* dst_mask */ 2107 TRUE), /* pcrel_offset */ 2108 }; 2109 2110 static reloc_howto_type micromips_elf64_howto_table_rel[] = 2111 { 2112 EMPTY_HOWTO (130), 2113 EMPTY_HOWTO (131), 2114 EMPTY_HOWTO (132), 2115 2116 /* 26 bit jump address. */ 2117 HOWTO (R_MICROMIPS_26_S1, /* type */ 2118 1, /* rightshift */ 2119 2, /* size (0 = byte, 1 = short, 2 = long) */ 2120 26, /* bitsize */ 2121 FALSE, /* pc_relative */ 2122 0, /* bitpos */ 2123 complain_overflow_dont, /* complain_on_overflow */ 2124 /* This needs complex overflow 2125 detection, because the upper four 2126 bits must match the PC. */ 2127 _bfd_mips_elf_generic_reloc, /* special_function */ 2128 "R_MICROMIPS_26_S1", /* name */ 2129 TRUE, /* partial_inplace */ 2130 0x3ffffff, /* src_mask */ 2131 0x3ffffff, /* dst_mask */ 2132 FALSE), /* pcrel_offset */ 2133 2134 /* High 16 bits of symbol value. */ 2135 HOWTO (R_MICROMIPS_HI16, /* type */ 2136 16, /* rightshift */ 2137 2, /* size (0 = byte, 1 = short, 2 = long) */ 2138 16, /* bitsize */ 2139 FALSE, /* pc_relative */ 2140 0, /* bitpos */ 2141 complain_overflow_dont, /* complain_on_overflow */ 2142 _bfd_mips_elf_hi16_reloc, /* special_function */ 2143 "R_MICROMIPS_HI16", /* name */ 2144 TRUE, /* partial_inplace */ 2145 0x0000ffff, /* src_mask */ 2146 0x0000ffff, /* dst_mask */ 2147 FALSE), /* pcrel_offset */ 2148 2149 /* Low 16 bits of symbol value. */ 2150 HOWTO (R_MICROMIPS_LO16, /* type */ 2151 0, /* rightshift */ 2152 2, /* size (0 = byte, 1 = short, 2 = long) */ 2153 16, /* bitsize */ 2154 FALSE, /* pc_relative */ 2155 0, /* bitpos */ 2156 complain_overflow_dont, /* complain_on_overflow */ 2157 _bfd_mips_elf_lo16_reloc, /* special_function */ 2158 "R_MICROMIPS_LO16", /* name */ 2159 TRUE, /* partial_inplace */ 2160 0x0000ffff, /* src_mask */ 2161 0x0000ffff, /* dst_mask */ 2162 FALSE), /* pcrel_offset */ 2163 2164 /* GP relative reference. */ 2165 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2166 0, /* rightshift */ 2167 2, /* size (0 = byte, 1 = short, 2 = long) */ 2168 16, /* bitsize */ 2169 FALSE, /* pc_relative */ 2170 0, /* bitpos */ 2171 complain_overflow_signed, /* complain_on_overflow */ 2172 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2173 "R_MICROMIPS_GPREL16", /* name */ 2174 TRUE, /* partial_inplace */ 2175 0x0000ffff, /* src_mask */ 2176 0x0000ffff, /* dst_mask */ 2177 FALSE), /* pcrel_offset */ 2178 2179 /* Reference to literal section. */ 2180 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2181 0, /* rightshift */ 2182 2, /* size (0 = byte, 1 = short, 2 = long) */ 2183 16, /* bitsize */ 2184 FALSE, /* pc_relative */ 2185 0, /* bitpos */ 2186 complain_overflow_signed, /* complain_on_overflow */ 2187 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2188 "R_MICROMIPS_LITERAL", /* name */ 2189 TRUE, /* partial_inplace */ 2190 0x0000ffff, /* src_mask */ 2191 0x0000ffff, /* dst_mask */ 2192 FALSE), /* pcrel_offset */ 2193 2194 /* Reference to global offset table. */ 2195 HOWTO (R_MICROMIPS_GOT16, /* type */ 2196 0, /* rightshift */ 2197 2, /* size (0 = byte, 1 = short, 2 = long) */ 2198 16, /* bitsize */ 2199 FALSE, /* pc_relative */ 2200 0, /* bitpos */ 2201 complain_overflow_signed, /* complain_on_overflow */ 2202 _bfd_mips_elf_got16_reloc, /* special_function */ 2203 "R_MICROMIPS_GOT16", /* name */ 2204 TRUE, /* partial_inplace */ 2205 0x0000ffff, /* src_mask */ 2206 0x0000ffff, /* dst_mask */ 2207 FALSE), /* pcrel_offset */ 2208 2209 /* This is for microMIPS branches. */ 2210 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2211 1, /* rightshift */ 2212 1, /* size (0 = byte, 1 = short, 2 = long) */ 2213 7, /* bitsize */ 2214 TRUE, /* pc_relative */ 2215 0, /* bitpos */ 2216 complain_overflow_signed, /* complain_on_overflow */ 2217 _bfd_mips_elf_generic_reloc, /* special_function */ 2218 "R_MICROMIPS_PC7_S1", /* name */ 2219 TRUE, /* partial_inplace */ 2220 0x0000007f, /* src_mask */ 2221 0x0000007f, /* dst_mask */ 2222 TRUE), /* pcrel_offset */ 2223 2224 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2225 1, /* rightshift */ 2226 1, /* size (0 = byte, 1 = short, 2 = long) */ 2227 10, /* bitsize */ 2228 TRUE, /* pc_relative */ 2229 0, /* bitpos */ 2230 complain_overflow_signed, /* complain_on_overflow */ 2231 _bfd_mips_elf_generic_reloc, /* special_function */ 2232 "R_MICROMIPS_PC10_S1", /* name */ 2233 TRUE, /* partial_inplace */ 2234 0x000003ff, /* src_mask */ 2235 0x000003ff, /* dst_mask */ 2236 TRUE), /* pcrel_offset */ 2237 2238 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2239 1, /* rightshift */ 2240 2, /* size (0 = byte, 1 = short, 2 = long) */ 2241 16, /* bitsize */ 2242 TRUE, /* pc_relative */ 2243 0, /* bitpos */ 2244 complain_overflow_signed, /* complain_on_overflow */ 2245 _bfd_mips_elf_generic_reloc, /* special_function */ 2246 "R_MICROMIPS_PC16_S1", /* name */ 2247 TRUE, /* partial_inplace */ 2248 0x0000ffff, /* src_mask */ 2249 0x0000ffff, /* dst_mask */ 2250 TRUE), /* pcrel_offset */ 2251 2252 /* 16 bit call through global offset table. */ 2253 HOWTO (R_MICROMIPS_CALL16, /* type */ 2254 0, /* rightshift */ 2255 2, /* size (0 = byte, 1 = short, 2 = long) */ 2256 16, /* bitsize */ 2257 FALSE, /* pc_relative */ 2258 0, /* bitpos */ 2259 complain_overflow_signed, /* complain_on_overflow */ 2260 _bfd_mips_elf_generic_reloc, /* special_function */ 2261 "R_MICROMIPS_CALL16", /* name */ 2262 TRUE, /* partial_inplace */ 2263 0x0000ffff, /* src_mask */ 2264 0x0000ffff, /* dst_mask */ 2265 FALSE), /* pcrel_offset */ 2266 2267 EMPTY_HOWTO (143), 2268 EMPTY_HOWTO (144), 2269 2270 /* Displacement in the global offset table. */ 2271 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2272 0, /* rightshift */ 2273 2, /* size (0 = byte, 1 = short, 2 = long) */ 2274 16, /* bitsize */ 2275 FALSE, /* pc_relative */ 2276 0, /* bitpos */ 2277 complain_overflow_signed, /* complain_on_overflow */ 2278 _bfd_mips_elf_generic_reloc, /* special_function */ 2279 "R_MICROMIPS_GOT_DISP",/* name */ 2280 TRUE, /* partial_inplace */ 2281 0x0000ffff, /* src_mask */ 2282 0x0000ffff, /* dst_mask */ 2283 FALSE), /* pcrel_offset */ 2284 2285 /* Displacement to page pointer in the global offset table. */ 2286 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2287 0, /* rightshift */ 2288 2, /* size (0 = byte, 1 = short, 2 = long) */ 2289 16, /* bitsize */ 2290 FALSE, /* pc_relative */ 2291 0, /* bitpos */ 2292 complain_overflow_signed, /* complain_on_overflow */ 2293 _bfd_mips_elf_generic_reloc, /* special_function */ 2294 "R_MICROMIPS_GOT_PAGE",/* name */ 2295 TRUE, /* partial_inplace */ 2296 0x0000ffff, /* src_mask */ 2297 0x0000ffff, /* dst_mask */ 2298 FALSE), /* pcrel_offset */ 2299 2300 /* Offset from page pointer in the global offset table. */ 2301 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2302 0, /* rightshift */ 2303 2, /* size (0 = byte, 1 = short, 2 = long) */ 2304 16, /* bitsize */ 2305 FALSE, /* pc_relative */ 2306 0, /* bitpos */ 2307 complain_overflow_signed, /* complain_on_overflow */ 2308 _bfd_mips_elf_generic_reloc, /* special_function */ 2309 "R_MICROMIPS_GOT_OFST",/* name */ 2310 TRUE, /* partial_inplace */ 2311 0x0000ffff, /* src_mask */ 2312 0x0000ffff, /* dst_mask */ 2313 FALSE), /* pcrel_offset */ 2314 2315 /* High 16 bits of displacement in global offset table. */ 2316 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2317 0, /* rightshift */ 2318 2, /* size (0 = byte, 1 = short, 2 = long) */ 2319 16, /* bitsize */ 2320 FALSE, /* pc_relative */ 2321 0, /* bitpos */ 2322 complain_overflow_dont, /* complain_on_overflow */ 2323 _bfd_mips_elf_generic_reloc, /* special_function */ 2324 "R_MICROMIPS_GOT_HI16",/* name */ 2325 TRUE, /* partial_inplace */ 2326 0x0000ffff, /* src_mask */ 2327 0x0000ffff, /* dst_mask */ 2328 FALSE), /* pcrel_offset */ 2329 2330 /* Low 16 bits of displacement in global offset table. */ 2331 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2332 0, /* rightshift */ 2333 2, /* size (0 = byte, 1 = short, 2 = long) */ 2334 16, /* bitsize */ 2335 FALSE, /* pc_relative */ 2336 0, /* bitpos */ 2337 complain_overflow_dont, /* complain_on_overflow */ 2338 _bfd_mips_elf_generic_reloc, /* special_function */ 2339 "R_MICROMIPS_GOT_LO16",/* name */ 2340 TRUE, /* partial_inplace */ 2341 0x0000ffff, /* src_mask */ 2342 0x0000ffff, /* dst_mask */ 2343 FALSE), /* pcrel_offset */ 2344 2345 /* 64 bit subtraction. Used in the N32 ABI. */ 2346 HOWTO (R_MICROMIPS_SUB, /* type */ 2347 0, /* rightshift */ 2348 4, /* size (0 = byte, 1 = short, 2 = long) */ 2349 64, /* bitsize */ 2350 FALSE, /* pc_relative */ 2351 0, /* bitpos */ 2352 complain_overflow_dont, /* complain_on_overflow */ 2353 _bfd_mips_elf_generic_reloc, /* special_function */ 2354 "R_MICROMIPS_SUB", /* name */ 2355 TRUE, /* partial_inplace */ 2356 MINUS_ONE, /* src_mask */ 2357 MINUS_ONE, /* dst_mask */ 2358 FALSE), /* pcrel_offset */ 2359 2360 /* We don't support these for REL relocations, because it means building 2361 the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/ 2362 R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering, 2363 using fallable heuristics. */ 2364 EMPTY_HOWTO (R_MICROMIPS_HIGHER), 2365 EMPTY_HOWTO (R_MICROMIPS_HIGHEST), 2366 2367 /* High 16 bits of displacement in global offset table. */ 2368 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2369 0, /* rightshift */ 2370 2, /* size (0 = byte, 1 = short, 2 = long) */ 2371 16, /* bitsize */ 2372 FALSE, /* pc_relative */ 2373 0, /* bitpos */ 2374 complain_overflow_dont, /* complain_on_overflow */ 2375 _bfd_mips_elf_generic_reloc, /* special_function */ 2376 "R_MICROMIPS_CALL_HI16",/* name */ 2377 TRUE, /* partial_inplace */ 2378 0x0000ffff, /* src_mask */ 2379 0x0000ffff, /* dst_mask */ 2380 FALSE), /* pcrel_offset */ 2381 2382 /* Low 16 bits of displacement in global offset table. */ 2383 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2384 0, /* rightshift */ 2385 2, /* size (0 = byte, 1 = short, 2 = long) */ 2386 16, /* bitsize */ 2387 FALSE, /* pc_relative */ 2388 0, /* bitpos */ 2389 complain_overflow_dont, /* complain_on_overflow */ 2390 _bfd_mips_elf_generic_reloc, /* special_function */ 2391 "R_MICROMIPS_CALL_LO16",/* name */ 2392 TRUE, /* partial_inplace */ 2393 0x0000ffff, /* src_mask */ 2394 0x0000ffff, /* dst_mask */ 2395 FALSE), /* pcrel_offset */ 2396 2397 /* Section displacement. */ 2398 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2399 0, /* rightshift */ 2400 2, /* size (0 = byte, 1 = short, 2 = long) */ 2401 32, /* bitsize */ 2402 FALSE, /* pc_relative */ 2403 0, /* bitpos */ 2404 complain_overflow_dont, /* complain_on_overflow */ 2405 _bfd_mips_elf_generic_reloc, /* special_function */ 2406 "R_MICROMIPS_SCN_DISP", /* name */ 2407 TRUE, /* partial_inplace */ 2408 0xffffffff, /* src_mask */ 2409 0xffffffff, /* dst_mask */ 2410 FALSE), /* pcrel_offset */ 2411 2412 /* Protected jump conversion. This is an optimization hint. No 2413 relocation is required for correctness. */ 2414 HOWTO (R_MICROMIPS_JALR, /* type */ 2415 0, /* rightshift */ 2416 2, /* size (0 = byte, 1 = short, 2 = long) */ 2417 32, /* bitsize */ 2418 FALSE, /* pc_relative */ 2419 0, /* bitpos */ 2420 complain_overflow_dont, /* complain_on_overflow */ 2421 _bfd_mips_elf_generic_reloc, /* special_function */ 2422 "R_MICROMIPS_JALR", /* name */ 2423 FALSE, /* partial_inplace */ 2424 0, /* src_mask */ 2425 0x00000000, /* dst_mask */ 2426 FALSE), /* pcrel_offset */ 2427 }; 2428 2429 static reloc_howto_type micromips_elf64_howto_table_rela[] = 2430 { 2431 EMPTY_HOWTO (130), 2432 EMPTY_HOWTO (131), 2433 EMPTY_HOWTO (132), 2434 2435 /* 26 bit jump address. */ 2436 HOWTO (R_MICROMIPS_26_S1, /* type */ 2437 1, /* rightshift */ 2438 2, /* size (0 = byte, 1 = short, 2 = long) */ 2439 26, /* bitsize */ 2440 FALSE, /* pc_relative */ 2441 0, /* bitpos */ 2442 complain_overflow_dont, /* complain_on_overflow */ 2443 /* This needs complex overflow 2444 detection, because the upper four 2445 bits must match the PC. */ 2446 _bfd_mips_elf_generic_reloc, /* special_function */ 2447 "R_MICROMIPS_26_S1", /* name */ 2448 FALSE, /* partial_inplace */ 2449 0, /* src_mask */ 2450 0x3ffffff, /* dst_mask */ 2451 FALSE), /* pcrel_offset */ 2452 2453 /* High 16 bits of symbol value. */ 2454 HOWTO (R_MICROMIPS_HI16, /* type */ 2455 16, /* rightshift */ 2456 2, /* size (0 = byte, 1 = short, 2 = long) */ 2457 16, /* bitsize */ 2458 FALSE, /* pc_relative */ 2459 0, /* bitpos */ 2460 complain_overflow_dont, /* complain_on_overflow */ 2461 _bfd_mips_elf_hi16_reloc, /* special_function */ 2462 "R_MICROMIPS_HI16", /* name */ 2463 FALSE, /* partial_inplace */ 2464 0, /* src_mask */ 2465 0x0000ffff, /* dst_mask */ 2466 FALSE), /* pcrel_offset */ 2467 2468 /* Low 16 bits of symbol value. */ 2469 HOWTO (R_MICROMIPS_LO16, /* type */ 2470 0, /* rightshift */ 2471 2, /* size (0 = byte, 1 = short, 2 = long) */ 2472 16, /* bitsize */ 2473 FALSE, /* pc_relative */ 2474 0, /* bitpos */ 2475 complain_overflow_dont, /* complain_on_overflow */ 2476 _bfd_mips_elf_lo16_reloc, /* special_function */ 2477 "R_MICROMIPS_LO16", /* name */ 2478 FALSE, /* partial_inplace */ 2479 0, /* src_mask */ 2480 0x0000ffff, /* dst_mask */ 2481 FALSE), /* pcrel_offset */ 2482 2483 /* GP relative reference. */ 2484 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2485 0, /* rightshift */ 2486 2, /* size (0 = byte, 1 = short, 2 = long) */ 2487 16, /* bitsize */ 2488 FALSE, /* pc_relative */ 2489 0, /* bitpos */ 2490 complain_overflow_signed, /* complain_on_overflow */ 2491 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2492 "R_MICROMIPS_GPREL16", /* name */ 2493 FALSE, /* partial_inplace */ 2494 0, /* src_mask */ 2495 0x0000ffff, /* dst_mask */ 2496 FALSE), /* pcrel_offset */ 2497 2498 /* Reference to literal section. */ 2499 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2500 0, /* rightshift */ 2501 2, /* size (0 = byte, 1 = short, 2 = long) */ 2502 16, /* bitsize */ 2503 FALSE, /* pc_relative */ 2504 0, /* bitpos */ 2505 complain_overflow_signed, /* complain_on_overflow */ 2506 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2507 "R_MICROMIPS_LITERAL", /* name */ 2508 FALSE, /* partial_inplace */ 2509 0, /* src_mask */ 2510 0x0000ffff, /* dst_mask */ 2511 FALSE), /* pcrel_offset */ 2512 2513 /* Reference to global offset table. */ 2514 HOWTO (R_MICROMIPS_GOT16, /* type */ 2515 0, /* rightshift */ 2516 2, /* size (0 = byte, 1 = short, 2 = long) */ 2517 16, /* bitsize */ 2518 FALSE, /* pc_relative */ 2519 0, /* bitpos */ 2520 complain_overflow_signed, /* complain_on_overflow */ 2521 _bfd_mips_elf_got16_reloc, /* special_function */ 2522 "R_MICROMIPS_GOT16", /* name */ 2523 FALSE, /* partial_inplace */ 2524 0, /* src_mask */ 2525 0x0000ffff, /* dst_mask */ 2526 FALSE), /* pcrel_offset */ 2527 2528 /* This is for microMIPS branches. */ 2529 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2530 1, /* rightshift */ 2531 1, /* size (0 = byte, 1 = short, 2 = long) */ 2532 7, /* bitsize */ 2533 TRUE, /* pc_relative */ 2534 0, /* bitpos */ 2535 complain_overflow_signed, /* complain_on_overflow */ 2536 _bfd_mips_elf_generic_reloc, /* special_function */ 2537 "R_MICROMIPS_PC7_S1", /* name */ 2538 FALSE, /* partial_inplace */ 2539 0, /* src_mask */ 2540 0x0000007f, /* dst_mask */ 2541 TRUE), /* pcrel_offset */ 2542 2543 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2544 1, /* rightshift */ 2545 1, /* size (0 = byte, 1 = short, 2 = long) */ 2546 10, /* bitsize */ 2547 TRUE, /* pc_relative */ 2548 0, /* bitpos */ 2549 complain_overflow_signed, /* complain_on_overflow */ 2550 _bfd_mips_elf_generic_reloc, /* special_function */ 2551 "R_MICROMIPS_PC10_S1", /* name */ 2552 FALSE, /* partial_inplace */ 2553 0, /* src_mask */ 2554 0x000003ff, /* dst_mask */ 2555 TRUE), /* pcrel_offset */ 2556 2557 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2558 1, /* rightshift */ 2559 2, /* size (0 = byte, 1 = short, 2 = long) */ 2560 16, /* bitsize */ 2561 TRUE, /* pc_relative */ 2562 0, /* bitpos */ 2563 complain_overflow_signed, /* complain_on_overflow */ 2564 _bfd_mips_elf_generic_reloc, /* special_function */ 2565 "R_MICROMIPS_PC16_S1", /* name */ 2566 FALSE, /* partial_inplace */ 2567 0, /* src_mask */ 2568 0x0000ffff, /* dst_mask */ 2569 TRUE), /* pcrel_offset */ 2570 2571 /* 16 bit call through global offset table. */ 2572 HOWTO (R_MICROMIPS_CALL16, /* type */ 2573 0, /* rightshift */ 2574 2, /* size (0 = byte, 1 = short, 2 = long) */ 2575 16, /* bitsize */ 2576 FALSE, /* pc_relative */ 2577 0, /* bitpos */ 2578 complain_overflow_signed, /* complain_on_overflow */ 2579 _bfd_mips_elf_generic_reloc, /* special_function */ 2580 "R_MICROMIPS_CALL16", /* name */ 2581 FALSE, /* partial_inplace */ 2582 0, /* src_mask */ 2583 0x0000ffff, /* dst_mask */ 2584 FALSE), /* pcrel_offset */ 2585 2586 EMPTY_HOWTO (143), 2587 EMPTY_HOWTO (144), 2588 2589 /* Displacement in the global offset table. */ 2590 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2591 0, /* rightshift */ 2592 2, /* size (0 = byte, 1 = short, 2 = long) */ 2593 16, /* bitsize */ 2594 FALSE, /* pc_relative */ 2595 0, /* bitpos */ 2596 complain_overflow_signed, /* complain_on_overflow */ 2597 _bfd_mips_elf_generic_reloc, /* special_function */ 2598 "R_MICROMIPS_GOT_DISP",/* name */ 2599 FALSE, /* partial_inplace */ 2600 0, /* src_mask */ 2601 0x0000ffff, /* dst_mask */ 2602 FALSE), /* pcrel_offset */ 2603 2604 /* Displacement to page pointer in the global offset table. */ 2605 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2606 0, /* rightshift */ 2607 2, /* size (0 = byte, 1 = short, 2 = long) */ 2608 16, /* bitsize */ 2609 FALSE, /* pc_relative */ 2610 0, /* bitpos */ 2611 complain_overflow_signed, /* complain_on_overflow */ 2612 _bfd_mips_elf_generic_reloc, /* special_function */ 2613 "R_MICROMIPS_GOT_PAGE",/* name */ 2614 FALSE, /* partial_inplace */ 2615 0, /* src_mask */ 2616 0x0000ffff, /* dst_mask */ 2617 FALSE), /* pcrel_offset */ 2618 2619 /* Offset from page pointer in the global offset table. */ 2620 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2621 0, /* rightshift */ 2622 2, /* size (0 = byte, 1 = short, 2 = long) */ 2623 16, /* bitsize */ 2624 FALSE, /* pc_relative */ 2625 0, /* bitpos */ 2626 complain_overflow_signed, /* complain_on_overflow */ 2627 _bfd_mips_elf_generic_reloc, /* special_function */ 2628 "R_MICROMIPS_GOT_OFST",/* name */ 2629 FALSE, /* partial_inplace */ 2630 0, /* src_mask */ 2631 0x0000ffff, /* dst_mask */ 2632 FALSE), /* pcrel_offset */ 2633 2634 /* High 16 bits of displacement in global offset table. */ 2635 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2636 0, /* rightshift */ 2637 2, /* size (0 = byte, 1 = short, 2 = long) */ 2638 16, /* bitsize */ 2639 FALSE, /* pc_relative */ 2640 0, /* bitpos */ 2641 complain_overflow_dont, /* complain_on_overflow */ 2642 _bfd_mips_elf_generic_reloc, /* special_function */ 2643 "R_MICROMIPS_GOT_HI16",/* name */ 2644 FALSE, /* partial_inplace */ 2645 0, /* src_mask */ 2646 0x0000ffff, /* dst_mask */ 2647 FALSE), /* pcrel_offset */ 2648 2649 /* Low 16 bits of displacement in global offset table. */ 2650 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2651 0, /* rightshift */ 2652 2, /* size (0 = byte, 1 = short, 2 = long) */ 2653 16, /* bitsize */ 2654 FALSE, /* pc_relative */ 2655 0, /* bitpos */ 2656 complain_overflow_dont, /* complain_on_overflow */ 2657 _bfd_mips_elf_generic_reloc, /* special_function */ 2658 "R_MICROMIPS_GOT_LO16",/* name */ 2659 FALSE, /* partial_inplace */ 2660 0, /* src_mask */ 2661 0x0000ffff, /* dst_mask */ 2662 FALSE), /* pcrel_offset */ 2663 2664 /* 64 bit subtraction. Used in the N32 ABI. */ 2665 HOWTO (R_MICROMIPS_SUB, /* type */ 2666 0, /* rightshift */ 2667 4, /* size (0 = byte, 1 = short, 2 = long) */ 2668 64, /* bitsize */ 2669 FALSE, /* pc_relative */ 2670 0, /* bitpos */ 2671 complain_overflow_dont, /* complain_on_overflow */ 2672 _bfd_mips_elf_generic_reloc, /* special_function */ 2673 "R_MICROMIPS_SUB", /* name */ 2674 FALSE, /* partial_inplace */ 2675 0, /* src_mask */ 2676 MINUS_ONE, /* dst_mask */ 2677 FALSE), /* pcrel_offset */ 2678 2679 /* Get the higher value of a 64 bit addend. */ 2680 HOWTO (R_MICROMIPS_HIGHER, /* type */ 2681 0, /* rightshift */ 2682 2, /* size (0 = byte, 1 = short, 2 = long) */ 2683 16, /* bitsize */ 2684 FALSE, /* pc_relative */ 2685 0, /* bitpos */ 2686 complain_overflow_dont, /* complain_on_overflow */ 2687 _bfd_mips_elf_generic_reloc, /* special_function */ 2688 "R_MICROMIPS_HIGHER", /* name */ 2689 FALSE, /* partial_inplace */ 2690 0, /* src_mask */ 2691 0x0000ffff, /* dst_mask */ 2692 FALSE), /* pcrel_offset */ 2693 2694 /* Get the highest value of a 64 bit addend. */ 2695 HOWTO (R_MICROMIPS_HIGHEST, /* type */ 2696 0, /* rightshift */ 2697 2, /* size (0 = byte, 1 = short, 2 = long) */ 2698 16, /* bitsize */ 2699 FALSE, /* pc_relative */ 2700 0, /* bitpos */ 2701 complain_overflow_dont, /* complain_on_overflow */ 2702 _bfd_mips_elf_generic_reloc, /* special_function */ 2703 "R_MICROMIPS_HIGHEST", /* name */ 2704 FALSE, /* partial_inplace */ 2705 0, /* src_mask */ 2706 0x0000ffff, /* dst_mask */ 2707 FALSE), /* pcrel_offset */ 2708 2709 /* High 16 bits of displacement in global offset table. */ 2710 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2711 0, /* rightshift */ 2712 2, /* size (0 = byte, 1 = short, 2 = long) */ 2713 16, /* bitsize */ 2714 FALSE, /* pc_relative */ 2715 0, /* bitpos */ 2716 complain_overflow_dont, /* complain_on_overflow */ 2717 _bfd_mips_elf_generic_reloc, /* special_function */ 2718 "R_MICROMIPS_CALL_HI16",/* name */ 2719 FALSE, /* partial_inplace */ 2720 0, /* src_mask */ 2721 0x0000ffff, /* dst_mask */ 2722 FALSE), /* pcrel_offset */ 2723 2724 /* Low 16 bits of displacement in global offset table. */ 2725 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2726 0, /* rightshift */ 2727 2, /* size (0 = byte, 1 = short, 2 = long) */ 2728 16, /* bitsize */ 2729 FALSE, /* pc_relative */ 2730 0, /* bitpos */ 2731 complain_overflow_dont, /* complain_on_overflow */ 2732 _bfd_mips_elf_generic_reloc, /* special_function */ 2733 "R_MICROMIPS_CALL_LO16",/* name */ 2734 FALSE, /* partial_inplace */ 2735 0, /* src_mask */ 2736 0x0000ffff, /* dst_mask */ 2737 FALSE), /* pcrel_offset */ 2738 2739 /* Section displacement. */ 2740 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2741 0, /* rightshift */ 2742 2, /* size (0 = byte, 1 = short, 2 = long) */ 2743 32, /* bitsize */ 2744 FALSE, /* pc_relative */ 2745 0, /* bitpos */ 2746 complain_overflow_dont, /* complain_on_overflow */ 2747 _bfd_mips_elf_generic_reloc, /* special_function */ 2748 "R_MICROMIPS_SCN_DISP", /* name */ 2749 FALSE, /* partial_inplace */ 2750 0, /* src_mask */ 2751 0xffffffff, /* dst_mask */ 2752 FALSE), /* pcrel_offset */ 2753 2754 /* Protected jump conversion. This is an optimization hint. No 2755 relocation is required for correctness. */ 2756 HOWTO (R_MICROMIPS_JALR, /* type */ 2757 0, /* rightshift */ 2758 2, /* size (0 = byte, 1 = short, 2 = long) */ 2759 32, /* bitsize */ 2760 FALSE, /* pc_relative */ 2761 0, /* bitpos */ 2762 complain_overflow_dont, /* complain_on_overflow */ 2763 _bfd_mips_elf_generic_reloc, /* special_function */ 2764 "R_MICROMIPS_JALR", /* name */ 2765 FALSE, /* partial_inplace */ 2766 0, /* src_mask */ 2767 0x00000000, /* dst_mask */ 2768 FALSE), /* pcrel_offset */ 2769 }; 2770 2771 /* GNU extension to record C++ vtable hierarchy */ 2772 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 2773 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 2774 0, /* rightshift */ 2775 2, /* size (0 = byte, 1 = short, 2 = long) */ 2776 0, /* bitsize */ 2777 FALSE, /* pc_relative */ 2778 0, /* bitpos */ 2779 complain_overflow_dont, /* complain_on_overflow */ 2780 NULL, /* special_function */ 2781 "R_MIPS_GNU_VTINHERIT", /* name */ 2782 FALSE, /* partial_inplace */ 2783 0, /* src_mask */ 2784 0, /* dst_mask */ 2785 FALSE); /* pcrel_offset */ 2786 2787 /* GNU extension to record C++ vtable member usage */ 2788 static reloc_howto_type elf_mips_gnu_vtentry_howto = 2789 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 2790 0, /* rightshift */ 2791 2, /* size (0 = byte, 1 = short, 2 = long) */ 2792 0, /* bitsize */ 2793 FALSE, /* pc_relative */ 2794 0, /* bitpos */ 2795 complain_overflow_dont, /* complain_on_overflow */ 2796 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 2797 "R_MIPS_GNU_VTENTRY", /* name */ 2798 FALSE, /* partial_inplace */ 2799 0, /* src_mask */ 2800 0, /* dst_mask */ 2801 FALSE); /* pcrel_offset */ 2802 2803 /* 16 bit offset for pc-relative branches. */ 2805 static reloc_howto_type elf_mips_gnu_rel16_s2 = 2806 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2807 2, /* rightshift */ 2808 2, /* size (0 = byte, 1 = short, 2 = long) */ 2809 16, /* bitsize */ 2810 TRUE, /* pc_relative */ 2811 0, /* bitpos */ 2812 complain_overflow_signed, /* complain_on_overflow */ 2813 _bfd_mips_elf_generic_reloc, /* special_function */ 2814 "R_MIPS_GNU_REL16_S2", /* name */ 2815 TRUE, /* partial_inplace */ 2816 0x0000ffff, /* src_mask */ 2817 0x0000ffff, /* dst_mask */ 2818 TRUE); /* pcrel_offset */ 2819 2820 /* 16 bit offset for pc-relative branches. */ 2821 static reloc_howto_type elf_mips_gnu_rela16_s2 = 2822 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2823 2, /* rightshift */ 2824 2, /* size (0 = byte, 1 = short, 2 = long) */ 2825 16, /* bitsize */ 2826 TRUE, /* pc_relative */ 2827 0, /* bitpos */ 2828 complain_overflow_signed, /* complain_on_overflow */ 2829 _bfd_mips_elf_generic_reloc, /* special_function */ 2830 "R_MIPS_GNU_REL16_S2", /* name */ 2831 FALSE, /* partial_inplace */ 2832 0, /* src_mask */ 2833 0x0000ffff, /* dst_mask */ 2834 TRUE); /* pcrel_offset */ 2835 2836 /* 32 bit pc-relative. Used for compact EH tables. */ 2837 static reloc_howto_type elf_mips_gnu_pcrel32 = 2838 HOWTO (R_MIPS_PC32, /* type */ 2839 0, /* rightshift */ 2840 2, /* size (0 = byte, 1 = short, 2 = long) */ 2841 32, /* bitsize */ 2842 TRUE, /* pc_relative */ 2843 0, /* bitpos */ 2844 complain_overflow_signed, /* complain_on_overflow */ 2845 _bfd_mips_elf_generic_reloc, /* special_function */ 2846 "R_MIPS_PC32", /* name */ 2847 TRUE, /* partial_inplace */ 2848 0xffffffff, /* src_mask */ 2849 0xffffffff, /* dst_mask */ 2850 TRUE); /* pcrel_offset */ 2851 2852 2853 /* Originally a VxWorks extension, but now used for other systems too. */ 2855 static reloc_howto_type elf_mips_copy_howto = 2856 HOWTO (R_MIPS_COPY, /* type */ 2857 0, /* rightshift */ 2858 0, /* this one is variable size */ 2859 0, /* bitsize */ 2860 FALSE, /* pc_relative */ 2861 0, /* bitpos */ 2862 complain_overflow_bitfield, /* complain_on_overflow */ 2863 _bfd_mips_elf_generic_reloc, /* special_function */ 2864 "R_MIPS_COPY", /* name */ 2865 FALSE, /* partial_inplace */ 2866 0x0, /* src_mask */ 2867 0x0, /* dst_mask */ 2868 FALSE); /* pcrel_offset */ 2869 2870 /* Originally a VxWorks extension, but now used for other systems too. */ 2871 static reloc_howto_type elf_mips_jump_slot_howto = 2872 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 2873 0, /* rightshift */ 2874 4, /* size (0 = byte, 1 = short, 2 = long) */ 2875 64, /* bitsize */ 2876 FALSE, /* pc_relative */ 2877 0, /* bitpos */ 2878 complain_overflow_bitfield, /* complain_on_overflow */ 2879 _bfd_mips_elf_generic_reloc, /* special_function */ 2880 "R_MIPS_JUMP_SLOT", /* name */ 2881 FALSE, /* partial_inplace */ 2882 0x0, /* src_mask */ 2883 0x0, /* dst_mask */ 2884 FALSE); /* pcrel_offset */ 2885 2886 /* Used in EH tables. */ 2887 static reloc_howto_type elf_mips_eh_howto = 2888 HOWTO (R_MIPS_EH, /* type */ 2889 0, /* rightshift */ 2890 2, /* size (0 = byte, 1 = short, 2 = long) */ 2891 32, /* bitsize */ 2892 FALSE, /* pc_relative */ 2893 0, /* bitpos */ 2894 complain_overflow_signed, /* complain_on_overflow */ 2895 _bfd_mips_elf_generic_reloc, /* special_function */ 2896 "R_MIPS_EH", /* name */ 2897 TRUE, /* partial_inplace */ 2898 0xffffffff, /* src_mask */ 2899 0xffffffff, /* dst_mask */ 2900 FALSE); /* pcrel_offset */ 2901 2902 2903 /* Swap in a MIPS 64-bit Rel reloc. */ 2905 2906 static void 2907 mips_elf64_swap_reloc_in (bfd *abfd, const Elf64_Mips_External_Rel *src, 2908 Elf64_Mips_Internal_Rela *dst) 2909 { 2910 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2911 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2912 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2913 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2914 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2915 dst->r_type = H_GET_8 (abfd, src->r_type); 2916 dst->r_addend = 0; 2917 } 2918 2919 /* Swap in a MIPS 64-bit Rela reloc. */ 2920 2921 static void 2922 mips_elf64_swap_reloca_in (bfd *abfd, const Elf64_Mips_External_Rela *src, 2923 Elf64_Mips_Internal_Rela *dst) 2924 { 2925 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2926 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2927 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2928 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2929 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2930 dst->r_type = H_GET_8 (abfd, src->r_type); 2931 dst->r_addend = H_GET_S64 (abfd, src->r_addend); 2932 } 2933 2934 /* Swap out a MIPS 64-bit Rel reloc. */ 2935 2936 static void 2937 mips_elf64_swap_reloc_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2938 Elf64_Mips_External_Rel *dst) 2939 { 2940 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2941 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2942 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2943 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2944 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2945 H_PUT_8 (abfd, src->r_type, dst->r_type); 2946 } 2947 2948 /* Swap out a MIPS 64-bit Rela reloc. */ 2949 2950 static void 2951 mips_elf64_swap_reloca_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2952 Elf64_Mips_External_Rela *dst) 2953 { 2954 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2955 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2956 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2957 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2958 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2959 H_PUT_8 (abfd, src->r_type, dst->r_type); 2960 H_PUT_S64 (abfd, src->r_addend, dst->r_addend); 2961 } 2962 2963 /* Swap in a MIPS 64-bit Rel reloc. */ 2964 2965 static void 2966 mips_elf64_be_swap_reloc_in (bfd *abfd, const bfd_byte *src, 2967 Elf_Internal_Rela *dst) 2968 { 2969 Elf64_Mips_Internal_Rela mirel; 2970 2971 mips_elf64_swap_reloc_in (abfd, 2972 (const Elf64_Mips_External_Rel *) src, 2973 &mirel); 2974 2975 dst[0].r_offset = mirel.r_offset; 2976 dst[0].r_info = ELF64_R_INFO (mirel.r_sym, mirel.r_type); 2977 dst[0].r_addend = 0; 2978 dst[1].r_offset = mirel.r_offset; 2979 dst[1].r_info = ELF64_R_INFO (mirel.r_ssym, mirel.r_type2); 2980 dst[1].r_addend = 0; 2981 dst[2].r_offset = mirel.r_offset; 2982 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirel.r_type3); 2983 dst[2].r_addend = 0; 2984 } 2985 2986 /* Swap in a MIPS 64-bit Rela reloc. */ 2987 2988 static void 2989 mips_elf64_be_swap_reloca_in (bfd *abfd, const bfd_byte *src, 2990 Elf_Internal_Rela *dst) 2991 { 2992 Elf64_Mips_Internal_Rela mirela; 2993 2994 mips_elf64_swap_reloca_in (abfd, 2995 (const Elf64_Mips_External_Rela *) src, 2996 &mirela); 2997 2998 dst[0].r_offset = mirela.r_offset; 2999 dst[0].r_info = ELF64_R_INFO (mirela.r_sym, mirela.r_type); 3000 dst[0].r_addend = mirela.r_addend; 3001 dst[1].r_offset = mirela.r_offset; 3002 dst[1].r_info = ELF64_R_INFO (mirela.r_ssym, mirela.r_type2); 3003 dst[1].r_addend = 0; 3004 dst[2].r_offset = mirela.r_offset; 3005 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirela.r_type3); 3006 dst[2].r_addend = 0; 3007 } 3008 3009 /* Swap out a MIPS 64-bit Rel reloc. */ 3010 3011 static void 3012 mips_elf64_be_swap_reloc_out (bfd *abfd, const Elf_Internal_Rela *src, 3013 bfd_byte *dst) 3014 { 3015 Elf64_Mips_Internal_Rela mirel; 3016 3017 mirel.r_offset = src[0].r_offset; 3018 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3019 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3020 3021 mirel.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3022 mirel.r_sym = ELF64_R_SYM (src[0].r_info); 3023 mirel.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3024 mirel.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3025 mirel.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3026 3027 mips_elf64_swap_reloc_out (abfd, &mirel, 3028 (Elf64_Mips_External_Rel *) dst); 3029 } 3030 3031 /* Swap out a MIPS 64-bit Rela reloc. */ 3032 3033 static void 3034 mips_elf64_be_swap_reloca_out (bfd *abfd, const Elf_Internal_Rela *src, 3035 bfd_byte *dst) 3036 { 3037 Elf64_Mips_Internal_Rela mirela; 3038 3039 mirela.r_offset = src[0].r_offset; 3040 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3041 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3042 3043 mirela.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3044 mirela.r_sym = ELF64_R_SYM (src[0].r_info); 3045 mirela.r_addend = src[0].r_addend; 3046 BFD_ASSERT(src[1].r_addend == 0); 3047 BFD_ASSERT(src[2].r_addend == 0); 3048 3049 mirela.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3050 mirela.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3051 mirela.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3052 3053 mips_elf64_swap_reloca_out (abfd, &mirela, 3054 (Elf64_Mips_External_Rela *) dst); 3055 } 3056 3057 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 3059 dangerous relocation. */ 3060 3061 static bfd_boolean 3062 mips_elf64_assign_gp (bfd *output_bfd, bfd_vma *pgp) 3063 { 3064 unsigned int count; 3065 asymbol **sym; 3066 unsigned int i; 3067 3068 /* If we've already figured out what GP will be, just return it. */ 3069 *pgp = _bfd_get_gp_value (output_bfd); 3070 if (*pgp) 3071 return TRUE; 3072 3073 count = bfd_get_symcount (output_bfd); 3074 sym = bfd_get_outsymbols (output_bfd); 3075 3076 /* The linker script will have created a symbol named `_gp' with the 3077 appropriate value. */ 3078 if (sym == NULL) 3079 i = count; 3080 else 3081 { 3082 for (i = 0; i < count; i++, sym++) 3083 { 3084 register const char *name; 3085 3086 name = bfd_asymbol_name (*sym); 3087 if (*name == '_' && strcmp (name, "_gp") == 0) 3088 { 3089 *pgp = bfd_asymbol_value (*sym); 3090 _bfd_set_gp_value (output_bfd, *pgp); 3091 break; 3092 } 3093 } 3094 } 3095 3096 if (i >= count) 3097 { 3098 /* Only get the error once. */ 3099 *pgp = 4; 3100 _bfd_set_gp_value (output_bfd, *pgp); 3101 return FALSE; 3102 } 3103 3104 return TRUE; 3105 } 3106 3107 /* We have to figure out the gp value, so that we can adjust the 3108 symbol value correctly. We look up the symbol _gp in the output 3109 BFD. If we can't find it, we're stuck. We cache it in the ELF 3110 target data. We don't need to adjust the symbol value for an 3111 external symbol if we are producing relocatable output. */ 3112 3113 static bfd_reloc_status_type 3114 mips_elf64_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 3115 char **error_message, bfd_vma *pgp) 3116 { 3117 if (bfd_is_und_section (symbol->section) 3118 && ! relocatable) 3119 { 3120 *pgp = 0; 3121 return bfd_reloc_undefined; 3122 } 3123 3124 *pgp = _bfd_get_gp_value (output_bfd); 3125 if (*pgp == 0 3126 && (! relocatable 3127 || (symbol->flags & BSF_SECTION_SYM) != 0)) 3128 { 3129 if (relocatable) 3130 { 3131 /* Make up a value. */ 3132 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 3133 _bfd_set_gp_value (output_bfd, *pgp); 3134 } 3135 else if (!mips_elf64_assign_gp (output_bfd, pgp)) 3136 { 3137 *error_message = 3138 (char *) _("GP relative relocation when _gp not defined"); 3139 return bfd_reloc_dangerous; 3140 } 3141 } 3142 3143 return bfd_reloc_ok; 3144 } 3145 3146 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 3147 become the offset from the gp register. */ 3148 3149 static bfd_reloc_status_type 3150 mips_elf64_gprel16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3151 void *data, asection *input_section, bfd *output_bfd, 3152 char **error_message) 3153 { 3154 bfd_boolean relocatable; 3155 bfd_reloc_status_type ret; 3156 bfd_vma gp; 3157 3158 /* If we're relocating, and this is an external symbol, we don't want 3159 to change anything. */ 3160 if (output_bfd != NULL 3161 && (symbol->flags & BSF_SECTION_SYM) == 0 3162 && (symbol->flags & BSF_LOCAL) != 0) 3163 { 3164 reloc_entry->address += input_section->output_offset; 3165 return bfd_reloc_ok; 3166 } 3167 3168 if (output_bfd != NULL) 3169 relocatable = TRUE; 3170 else 3171 { 3172 relocatable = FALSE; 3173 output_bfd = symbol->section->output_section->owner; 3174 } 3175 3176 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3177 &gp); 3178 if (ret != bfd_reloc_ok) 3179 return ret; 3180 3181 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3182 input_section, relocatable, 3183 data, gp); 3184 } 3185 3186 /* Do a R_MIPS_LITERAL relocation. */ 3187 3188 static bfd_reloc_status_type 3189 mips_elf64_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3190 void *data, asection *input_section, bfd *output_bfd, 3191 char **error_message) 3192 { 3193 bfd_boolean relocatable; 3194 bfd_reloc_status_type ret; 3195 bfd_vma gp; 3196 3197 /* R_MIPS_LITERAL relocations are defined for local symbols only. */ 3198 if (output_bfd != NULL 3199 && (symbol->flags & BSF_SECTION_SYM) == 0 3200 && (symbol->flags & BSF_LOCAL) != 0) 3201 { 3202 *error_message = (char *) 3203 _("literal relocation occurs for an external symbol"); 3204 return bfd_reloc_outofrange; 3205 } 3206 3207 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ 3208 if (output_bfd != NULL) 3209 relocatable = TRUE; 3210 else 3211 { 3212 relocatable = FALSE; 3213 output_bfd = symbol->section->output_section->owner; 3214 } 3215 3216 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3217 &gp); 3218 if (ret != bfd_reloc_ok) 3219 return ret; 3220 3221 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3222 input_section, relocatable, 3223 data, gp); 3224 } 3225 3226 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 3227 become the offset from the gp register. */ 3228 3229 static bfd_reloc_status_type 3230 mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3231 void *data, asection *input_section, bfd *output_bfd, 3232 char **error_message) 3233 { 3234 bfd_boolean relocatable; 3235 bfd_reloc_status_type ret; 3236 bfd_vma gp; 3237 bfd_vma relocation; 3238 bfd_vma val; 3239 3240 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 3241 if (output_bfd != NULL 3242 && (symbol->flags & BSF_SECTION_SYM) == 0 3243 && (symbol->flags & BSF_LOCAL) != 0) 3244 { 3245 *error_message = (char *) 3246 _("32bits gp relative relocation occurs for an external symbol"); 3247 return bfd_reloc_outofrange; 3248 } 3249 3250 if (output_bfd != NULL) 3251 relocatable = TRUE; 3252 else 3253 { 3254 relocatable = FALSE; 3255 output_bfd = symbol->section->output_section->owner; 3256 } 3257 3258 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, 3259 error_message, &gp); 3260 if (ret != bfd_reloc_ok) 3261 return ret; 3262 3263 if (bfd_is_com_section (symbol->section)) 3264 relocation = 0; 3265 else 3266 relocation = symbol->value; 3267 3268 relocation += symbol->section->output_section->vma; 3269 relocation += symbol->section->output_offset; 3270 3271 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 3272 return bfd_reloc_outofrange; 3273 3274 /* Set val to the offset into the section or symbol. */ 3275 val = reloc_entry->addend; 3276 3277 if (reloc_entry->howto->partial_inplace) 3278 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 3279 3280 /* Adjust val for the final section location and GP value. If we 3281 are producing relocatable output, we don't want to do this for 3282 an external symbol. */ 3283 if (! relocatable 3284 || (symbol->flags & BSF_SECTION_SYM) != 0) 3285 val += relocation - gp; 3286 3287 if (reloc_entry->howto->partial_inplace) 3288 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 3289 else 3290 reloc_entry->addend = val; 3291 3292 if (relocatable) 3293 reloc_entry->address += input_section->output_offset; 3294 3295 return bfd_reloc_ok; 3296 } 3297 3298 /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, 3299 the rest is at bits 6-10. The bitpos already got right by the howto. */ 3300 3301 static bfd_reloc_status_type 3302 mips_elf64_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3303 void *data, asection *input_section, bfd *output_bfd, 3304 char **error_message) 3305 { 3306 if (reloc_entry->howto->partial_inplace) 3307 { 3308 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) 3309 | (reloc_entry->addend & 0x00000800) >> 9); 3310 } 3311 3312 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, 3313 input_section, output_bfd, 3314 error_message); 3315 } 3316 3317 /* Handle a mips16 GP relative reloc. */ 3318 3319 static bfd_reloc_status_type 3320 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3321 void *data, asection *input_section, bfd *output_bfd, 3322 char **error_message) 3323 { 3324 bfd_boolean relocatable; 3325 bfd_reloc_status_type ret; 3326 bfd_byte *location; 3327 bfd_vma gp; 3328 3329 /* If we're relocating, and this is an external symbol, we don't want 3330 to change anything. */ 3331 if (output_bfd != NULL 3332 && (symbol->flags & BSF_SECTION_SYM) == 0 3333 && (symbol->flags & BSF_LOCAL) != 0) 3334 { 3335 reloc_entry->address += input_section->output_offset; 3336 return bfd_reloc_ok; 3337 } 3338 3339 if (output_bfd != NULL) 3340 relocatable = TRUE; 3341 else 3342 { 3343 relocatable = FALSE; 3344 output_bfd = symbol->section->output_section->owner; 3345 } 3346 3347 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3348 &gp); 3349 if (ret != bfd_reloc_ok) 3350 return ret; 3351 3352 location = (bfd_byte *) data + reloc_entry->address; 3353 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 3354 location); 3355 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3356 input_section, relocatable, 3357 data, gp); 3358 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 3359 location); 3360 3361 return ret; 3362 } 3363 3364 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 3366 3367 struct elf_reloc_map { 3368 bfd_reloc_code_real_type bfd_val; 3369 enum elf_mips_reloc_type elf_val; 3370 }; 3371 3372 static const struct elf_reloc_map mips_reloc_map[] = 3373 { 3374 { BFD_RELOC_NONE, R_MIPS_NONE }, 3375 { BFD_RELOC_16, R_MIPS_16 }, 3376 { BFD_RELOC_32, R_MIPS_32 }, 3377 /* There is no BFD reloc for R_MIPS_REL32. */ 3378 { BFD_RELOC_64, R_MIPS_64 }, 3379 { BFD_RELOC_CTOR, R_MIPS_64 }, 3380 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 3381 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 3382 { BFD_RELOC_LO16, R_MIPS_LO16 }, 3383 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 3384 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 3385 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 3386 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 3387 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 3388 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 3389 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, 3390 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, 3391 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 3392 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 3393 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 3394 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 3395 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 3396 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 3397 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, 3398 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, 3399 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, 3400 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, 3401 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, 3402 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 3403 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 3404 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, 3405 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, 3406 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ 3407 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, 3408 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 3409 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 3410 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 3411 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 3412 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 3413 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 3414 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 3415 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 3416 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 3417 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 3418 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 3419 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 3420 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 3421 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 3422 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 3423 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 3424 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 3425 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 3426 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 3427 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 3428 }; 3429 3430 static const struct elf_reloc_map mips16_reloc_map[] = 3431 { 3432 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 3433 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 3434 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 3435 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 3436 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 3437 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 3438 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 3439 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 3440 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 3441 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 3442 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 3443 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 3444 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 3445 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 3446 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, 3447 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } 3448 }; 3449 3450 static const struct elf_reloc_map micromips_reloc_map[] = 3451 { 3452 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 3453 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 3454 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 3455 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 3456 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 3457 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 3458 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 3459 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 3460 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 3461 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 3462 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 3463 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 3464 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 3465 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 3466 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 3467 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 3468 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 3469 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 3470 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 3471 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 3472 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 3473 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 3474 }; 3475 /* Given a BFD reloc type, return a howto structure. */ 3476 3477 static reloc_howto_type * 3478 bfd_elf64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3479 bfd_reloc_code_real_type code) 3480 { 3481 unsigned int i; 3482 /* FIXME: We default to RELA here instead of choosing the right 3483 relocation variant. */ 3484 reloc_howto_type *howto_table = mips_elf64_howto_table_rela; 3485 reloc_howto_type *howto16_table = mips16_elf64_howto_table_rela; 3486 reloc_howto_type *howto_micromips_table = micromips_elf64_howto_table_rela; 3487 3488 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 3489 i++) 3490 { 3491 if (mips_reloc_map[i].bfd_val == code) 3492 return &howto_table[(int) mips_reloc_map[i].elf_val]; 3493 } 3494 3495 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 3496 i++) 3497 { 3498 if (mips16_reloc_map[i].bfd_val == code) 3499 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 3500 } 3501 3502 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 3503 i++) 3504 { 3505 if (micromips_reloc_map[i].bfd_val == code) 3506 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 3507 } 3508 3509 switch (code) 3510 { 3511 case BFD_RELOC_VTABLE_INHERIT: 3512 return &elf_mips_gnu_vtinherit_howto; 3513 case BFD_RELOC_VTABLE_ENTRY: 3514 return &elf_mips_gnu_vtentry_howto; 3515 case BFD_RELOC_32_PCREL: 3516 return &elf_mips_gnu_pcrel32; 3517 case BFD_RELOC_MIPS_EH: 3518 return &elf_mips_eh_howto; 3519 case BFD_RELOC_MIPS_COPY: 3520 return &elf_mips_copy_howto; 3521 case BFD_RELOC_MIPS_JUMP_SLOT: 3522 return &elf_mips_jump_slot_howto; 3523 default: 3524 bfd_set_error (bfd_error_bad_value); 3525 return NULL; 3526 } 3527 } 3528 3529 static reloc_howto_type * 3530 bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3531 const char *r_name) 3532 { 3533 unsigned int i; 3534 3535 for (i = 0; 3536 i < (sizeof (mips_elf64_howto_table_rela) 3537 / sizeof (mips_elf64_howto_table_rela[0])); i++) 3538 if (mips_elf64_howto_table_rela[i].name != NULL 3539 && strcasecmp (mips_elf64_howto_table_rela[i].name, r_name) == 0) 3540 return &mips_elf64_howto_table_rela[i]; 3541 3542 for (i = 0; 3543 i < (sizeof (mips16_elf64_howto_table_rela) 3544 / sizeof (mips16_elf64_howto_table_rela[0])); 3545 i++) 3546 if (mips16_elf64_howto_table_rela[i].name != NULL 3547 && strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0) 3548 return &mips16_elf64_howto_table_rela[i]; 3549 3550 for (i = 0; 3551 i < (sizeof (micromips_elf64_howto_table_rela) 3552 / sizeof (micromips_elf64_howto_table_rela[0])); 3553 i++) 3554 if (micromips_elf64_howto_table_rela[i].name != NULL 3555 && strcasecmp (micromips_elf64_howto_table_rela[i].name, r_name) == 0) 3556 return µmips_elf64_howto_table_rela[i]; 3557 3558 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 3559 return &elf_mips_gnu_vtinherit_howto; 3560 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 3561 return &elf_mips_gnu_vtentry_howto; 3562 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 3563 return &elf_mips_gnu_rel16_s2; 3564 if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0) 3565 return &elf_mips_gnu_rela16_s2; 3566 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 3567 return &elf_mips_gnu_pcrel32; 3568 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 3569 return &elf_mips_eh_howto; 3570 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 3571 return &elf_mips_copy_howto; 3572 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 3573 return &elf_mips_jump_slot_howto; 3574 3575 return NULL; 3576 } 3577 3578 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 3579 3580 static reloc_howto_type * 3581 mips_elf64_rtype_to_howto (bfd *abfd, unsigned int r_type, bfd_boolean rela_p) 3582 { 3583 reloc_howto_type *howto = NULL; 3584 3585 switch (r_type) 3586 { 3587 case R_MIPS_GNU_VTINHERIT: 3588 return &elf_mips_gnu_vtinherit_howto; 3589 case R_MIPS_GNU_VTENTRY: 3590 return &elf_mips_gnu_vtentry_howto; 3591 case R_MIPS_GNU_REL16_S2: 3592 if (rela_p) 3593 return &elf_mips_gnu_rela16_s2; 3594 else 3595 return &elf_mips_gnu_rel16_s2; 3596 case R_MIPS_PC32: 3597 return &elf_mips_gnu_pcrel32; 3598 case R_MIPS_EH: 3599 return &elf_mips_eh_howto; 3600 case R_MIPS_COPY: 3601 return &elf_mips_copy_howto; 3602 case R_MIPS_JUMP_SLOT: 3603 return &elf_mips_jump_slot_howto; 3604 default: 3605 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 3606 { 3607 if (rela_p) 3608 howto 3609 = µmips_elf64_howto_table_rela[r_type - R_MICROMIPS_min]; 3610 else 3611 howto 3612 = µmips_elf64_howto_table_rel[r_type - R_MICROMIPS_min]; 3613 } 3614 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 3615 { 3616 if (rela_p) 3617 howto = &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min]; 3618 else 3619 howto = &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min]; 3620 } 3621 if (r_type < R_MIPS_max) 3622 { 3623 if (rela_p) 3624 howto = &mips_elf64_howto_table_rela[r_type]; 3625 else 3626 howto = &mips_elf64_howto_table_rel[r_type]; 3627 } 3628 if (howto != NULL && howto->name != NULL) 3629 return howto; 3630 3631 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 3632 abfd, r_type); 3633 bfd_set_error (bfd_error_bad_value); 3634 return NULL; 3635 } 3636 } 3637 3638 /* Prevent relocation handling by bfd for MIPS ELF64. */ 3639 3640 static bfd_boolean 3641 mips_elf64_info_to_howto_rela (bfd *abfd, 3642 arelent *cache_ptr ATTRIBUTE_UNUSED, 3643 Elf_Internal_Rela *dst) 3644 { 3645 unsigned int r_type = ELF32_R_TYPE (dst->r_info); 3646 /* xgettext:c-format */ 3647 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 3648 abfd, r_type); 3649 bfd_set_error (bfd_error_bad_value); 3650 return FALSE; 3651 } 3652 3653 /* Since each entry in an SHT_REL or SHT_RELA section can represent up 3654 to three relocs, we must tell the user to allocate more space. */ 3655 3656 static long 3657 mips_elf64_get_dynamic_reloc_upper_bound (bfd *abfd) 3658 { 3659 return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 3; 3660 } 3661 3662 /* Read the relocations from one reloc section. This is mostly copied 3663 from elfcode.h, except for the changes to expand one external 3664 relocation to 3 internal ones. To reduce processing effort we 3665 could discard those R_MIPS_NONE relocations that occupy the second 3666 and the third entry of a triplet, as `mips_elf64_write_rel' and 3667 `mips_elf64_write_rela' recreate them in output automagically, 3668 however that would also remove them from `objdump -r' output, 3669 breaking a long-established tradition and likely confusing people. */ 3670 3671 static bfd_boolean 3672 mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect, 3673 Elf_Internal_Shdr *rel_hdr, 3674 bfd_size_type reloc_count, 3675 arelent *relents, asymbol **symbols, 3676 bfd_boolean dynamic) 3677 { 3678 void *allocated; 3679 bfd_byte *native_relocs; 3680 unsigned int symcount; 3681 arelent *relent; 3682 bfd_vma i; 3683 int entsize; 3684 bfd_boolean rela_p; 3685 3686 allocated = bfd_malloc (rel_hdr->sh_size); 3687 if (allocated == NULL) 3688 return FALSE; 3689 3690 if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 3691 || (bfd_bread (allocated, rel_hdr->sh_size, abfd) 3692 != rel_hdr->sh_size)) 3693 goto error_return; 3694 3695 native_relocs = allocated; 3696 3697 entsize = rel_hdr->sh_entsize; 3698 BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) 3699 || entsize == sizeof (Elf64_Mips_External_Rela)); 3700 3701 if (entsize == sizeof (Elf64_Mips_External_Rel)) 3702 rela_p = FALSE; 3703 else 3704 rela_p = TRUE; 3705 3706 if (dynamic) 3707 symcount = bfd_get_dynamic_symcount (abfd); 3708 else 3709 symcount = bfd_get_symcount (abfd); 3710 3711 for (i = 0, relent = relents; 3712 i < reloc_count; 3713 i++, native_relocs += entsize) 3714 { 3715 Elf64_Mips_Internal_Rela rela; 3716 bfd_boolean used_sym, used_ssym; 3717 int ir; 3718 3719 if (entsize == sizeof (Elf64_Mips_External_Rela)) 3720 mips_elf64_swap_reloca_in (abfd, 3721 (Elf64_Mips_External_Rela *) native_relocs, 3722 &rela); 3723 else 3724 mips_elf64_swap_reloc_in (abfd, 3725 (Elf64_Mips_External_Rel *) native_relocs, 3726 &rela); 3727 3728 /* Each entry represents exactly three actual relocations. */ 3729 3730 used_sym = FALSE; 3731 used_ssym = FALSE; 3732 for (ir = 0; ir < 3; ir++) 3733 { 3734 enum elf_mips_reloc_type type; 3735 3736 switch (ir) 3737 { 3738 default: 3739 abort (); 3740 case 0: 3741 type = (enum elf_mips_reloc_type) rela.r_type; 3742 break; 3743 case 1: 3744 type = (enum elf_mips_reloc_type) rela.r_type2; 3745 break; 3746 case 2: 3747 type = (enum elf_mips_reloc_type) rela.r_type3; 3748 break; 3749 } 3750 3751 /* Some types require symbols, whereas some do not. */ 3752 switch (type) 3753 { 3754 case R_MIPS_NONE: 3755 case R_MIPS_LITERAL: 3756 case R_MIPS_INSERT_A: 3757 case R_MIPS_INSERT_B: 3758 case R_MIPS_DELETE: 3759 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3760 break; 3761 3762 default: 3763 if (! used_sym) 3764 { 3765 if (rela.r_sym == STN_UNDEF) 3766 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3767 else if (rela.r_sym > symcount) 3768 { 3769 _bfd_error_handler 3770 /* xgettext:c-format */ 3771 (_("%pB(%pA): relocation %" PRIu64 3772 " has invalid symbol index %ld"), 3773 abfd, asect, (uint64_t) i, rela.r_sym); 3774 bfd_set_error (bfd_error_bad_value); 3775 relent->sym_ptr_ptr 3776 = bfd_abs_section_ptr->symbol_ptr_ptr; 3777 } 3778 else 3779 { 3780 asymbol **ps, *s; 3781 3782 ps = symbols + rela.r_sym - 1; 3783 s = *ps; 3784 if ((s->flags & BSF_SECTION_SYM) == 0) 3785 relent->sym_ptr_ptr = ps; 3786 else 3787 relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; 3788 } 3789 3790 used_sym = TRUE; 3791 } 3792 else if (! used_ssym) 3793 { 3794 switch (rela.r_ssym) 3795 { 3796 case RSS_UNDEF: 3797 relent->sym_ptr_ptr = 3798 bfd_abs_section_ptr->symbol_ptr_ptr; 3799 break; 3800 3801 case RSS_GP: 3802 case RSS_GP0: 3803 case RSS_LOC: 3804 /* FIXME: I think these need to be handled using 3805 special howto structures. */ 3806 BFD_ASSERT (0); 3807 break; 3808 3809 default: 3810 BFD_ASSERT (0); 3811 break; 3812 } 3813 3814 used_ssym = TRUE; 3815 } 3816 else 3817 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3818 3819 break; 3820 } 3821 3822 /* The address of an ELF reloc is section relative for an 3823 object file, and absolute for an executable file or 3824 shared library. The address of a BFD reloc is always 3825 section relative. */ 3826 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) 3827 relent->address = rela.r_offset; 3828 else 3829 relent->address = rela.r_offset - asect->vma; 3830 3831 relent->addend = rela.r_addend; 3832 3833 relent->howto = mips_elf64_rtype_to_howto (abfd, type, rela_p); 3834 if (relent->howto == NULL) 3835 goto error_return; 3836 3837 ++relent; 3838 } 3839 } 3840 3841 if (allocated != NULL) 3842 free (allocated); 3843 3844 return TRUE; 3845 3846 error_return: 3847 if (allocated != NULL) 3848 free (allocated); 3849 return FALSE; 3850 } 3851 3852 /* Read the relocations. On Irix 6, there can be two reloc sections 3853 associated with a single data section. This is copied from 3854 elfcode.h as well, with changes as small as accounting for 3 3855 internal relocs per external reloc. */ 3856 3857 static bfd_boolean 3858 mips_elf64_slurp_reloc_table (bfd *abfd, asection *asect, 3859 asymbol **symbols, bfd_boolean dynamic) 3860 { 3861 struct bfd_elf_section_data * const d = elf_section_data (asect); 3862 Elf_Internal_Shdr *rel_hdr; 3863 Elf_Internal_Shdr *rel_hdr2; 3864 bfd_size_type reloc_count; 3865 bfd_size_type reloc_count2; 3866 arelent *relents; 3867 bfd_size_type amt; 3868 3869 if (asect->relocation != NULL) 3870 return TRUE; 3871 3872 if (! dynamic) 3873 { 3874 if ((asect->flags & SEC_RELOC) == 0 3875 || asect->reloc_count == 0) 3876 return TRUE; 3877 3878 rel_hdr = d->rel.hdr; 3879 reloc_count = rel_hdr ? NUM_SHDR_ENTRIES (rel_hdr) : 0; 3880 rel_hdr2 = d->rela.hdr; 3881 reloc_count2 = (rel_hdr2 ? NUM_SHDR_ENTRIES (rel_hdr2) : 0); 3882 3883 BFD_ASSERT (asect->reloc_count == 3 * (reloc_count + reloc_count2)); 3884 BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) 3885 || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); 3886 3887 } 3888 else 3889 { 3890 /* Note that ASECT->RELOC_COUNT tends not to be accurate in this 3891 case because relocations against this section may use the 3892 dynamic symbol table, and in that case bfd_section_from_shdr 3893 in elf.c does not update the RELOC_COUNT. */ 3894 if (asect->size == 0) 3895 return TRUE; 3896 3897 rel_hdr = &d->this_hdr; 3898 reloc_count = NUM_SHDR_ENTRIES (rel_hdr); 3899 rel_hdr2 = NULL; 3900 reloc_count2 = 0; 3901 } 3902 3903 /* Allocate space for 3 arelent structures for each Rel structure. */ 3904 amt = (reloc_count + reloc_count2) * 3 * sizeof (arelent); 3905 relents = bfd_alloc (abfd, amt); 3906 if (relents == NULL) 3907 return FALSE; 3908 3909 if (rel_hdr != NULL 3910 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3911 rel_hdr, reloc_count, 3912 relents, 3913 symbols, dynamic)) 3914 return FALSE; 3915 if (rel_hdr2 != NULL 3916 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3917 rel_hdr2, reloc_count2, 3918 relents + reloc_count * 3, 3919 symbols, dynamic)) 3920 return FALSE; 3921 3922 asect->relocation = relents; 3923 return TRUE; 3924 } 3925 3926 /* Write out the relocations. */ 3927 3928 static void 3929 mips_elf64_write_relocs (bfd *abfd, asection *sec, void *data) 3930 { 3931 bfd_boolean *failedp = data; 3932 int count; 3933 Elf_Internal_Shdr *rel_hdr; 3934 unsigned int idx; 3935 3936 /* If we have already failed, don't do anything. */ 3937 if (*failedp) 3938 return; 3939 3940 if ((sec->flags & SEC_RELOC) == 0) 3941 return; 3942 3943 /* The linker backend writes the relocs out itself, and sets the 3944 reloc_count field to zero to inhibit writing them here. Also, 3945 sometimes the SEC_RELOC flag gets set even when there aren't any 3946 relocs. */ 3947 if (sec->reloc_count == 0) 3948 return; 3949 3950 /* We can combine up to three relocs that refer to the same address 3951 if the latter relocs have no associated symbol. */ 3952 count = 0; 3953 for (idx = 0; idx < sec->reloc_count; idx++) 3954 { 3955 bfd_vma addr; 3956 unsigned int i; 3957 3958 ++count; 3959 3960 addr = sec->orelocation[idx]->address; 3961 for (i = 0; i < 2; i++) 3962 { 3963 arelent *r; 3964 3965 if (idx + 1 >= sec->reloc_count) 3966 break; 3967 r = sec->orelocation[idx + 1]; 3968 if (r->address != addr 3969 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 3970 || (*r->sym_ptr_ptr)->value != 0) 3971 break; 3972 3973 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 3974 3975 ++idx; 3976 } 3977 } 3978 3979 rel_hdr = _bfd_elf_single_rel_hdr (sec); 3980 3981 /* Do the actual relocation. */ 3982 3983 if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rel)) 3984 mips_elf64_write_rel (abfd, sec, rel_hdr, &count, data); 3985 else if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rela)) 3986 mips_elf64_write_rela (abfd, sec, rel_hdr, &count, data); 3987 else 3988 BFD_ASSERT (0); 3989 } 3990 3991 static void 3992 mips_elf64_write_rel (bfd *abfd, asection *sec, 3993 Elf_Internal_Shdr *rel_hdr, 3994 int *count, void *data) 3995 { 3996 bfd_boolean *failedp = data; 3997 Elf64_Mips_External_Rel *ext_rel; 3998 unsigned int idx; 3999 asymbol *last_sym = 0; 4000 int last_sym_idx = 0; 4001 4002 rel_hdr->sh_size = rel_hdr->sh_entsize * *count; 4003 rel_hdr->contents = bfd_alloc (abfd, rel_hdr->sh_size); 4004 if (rel_hdr->contents == NULL) 4005 { 4006 *failedp = TRUE; 4007 return; 4008 } 4009 4010 ext_rel = (Elf64_Mips_External_Rel *) rel_hdr->contents; 4011 for (idx = 0; idx < sec->reloc_count; idx++, ext_rel++) 4012 { 4013 arelent *ptr; 4014 Elf64_Mips_Internal_Rela int_rel; 4015 asymbol *sym; 4016 int n; 4017 unsigned int i; 4018 4019 ptr = sec->orelocation[idx]; 4020 4021 /* The address of an ELF reloc is section relative for an object 4022 file, and absolute for an executable file or shared library. 4023 The address of a BFD reloc is always section relative. */ 4024 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4025 int_rel.r_offset = ptr->address; 4026 else 4027 int_rel.r_offset = ptr->address + sec->vma; 4028 4029 sym = *ptr->sym_ptr_ptr; 4030 if (sym == last_sym) 4031 n = last_sym_idx; 4032 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4033 n = STN_UNDEF; 4034 else 4035 { 4036 last_sym = sym; 4037 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4038 if (n < 0) 4039 { 4040 *failedp = TRUE; 4041 return; 4042 } 4043 last_sym_idx = n; 4044 } 4045 4046 int_rel.r_sym = n; 4047 int_rel.r_ssym = RSS_UNDEF; 4048 4049 if ((*ptr->sym_ptr_ptr)->the_bfd != NULL 4050 && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4051 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4052 { 4053 *failedp = TRUE; 4054 return; 4055 } 4056 4057 int_rel.r_type = ptr->howto->type; 4058 int_rel.r_type2 = (int) R_MIPS_NONE; 4059 int_rel.r_type3 = (int) R_MIPS_NONE; 4060 4061 for (i = 0; i < 2; i++) 4062 { 4063 arelent *r; 4064 4065 if (idx + 1 >= sec->reloc_count) 4066 break; 4067 r = sec->orelocation[idx + 1]; 4068 if (r->address != ptr->address 4069 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4070 || (*r->sym_ptr_ptr)->value != 0) 4071 break; 4072 4073 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4074 4075 if (i == 0) 4076 int_rel.r_type2 = r->howto->type; 4077 else 4078 int_rel.r_type3 = r->howto->type; 4079 4080 ++idx; 4081 } 4082 4083 mips_elf64_swap_reloc_out (abfd, &int_rel, ext_rel); 4084 } 4085 4086 BFD_ASSERT (ext_rel - (Elf64_Mips_External_Rel *) rel_hdr->contents 4087 == *count); 4088 } 4089 4090 static void 4091 mips_elf64_write_rela (bfd *abfd, asection *sec, 4092 Elf_Internal_Shdr *rela_hdr, 4093 int *count, void *data) 4094 { 4095 bfd_boolean *failedp = data; 4096 Elf64_Mips_External_Rela *ext_rela; 4097 unsigned int idx; 4098 asymbol *last_sym = 0; 4099 int last_sym_idx = 0; 4100 4101 rela_hdr->sh_size = rela_hdr->sh_entsize * *count; 4102 rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); 4103 if (rela_hdr->contents == NULL) 4104 { 4105 *failedp = TRUE; 4106 return; 4107 } 4108 4109 ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; 4110 for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) 4111 { 4112 arelent *ptr; 4113 Elf64_Mips_Internal_Rela int_rela; 4114 asymbol *sym; 4115 int n; 4116 unsigned int i; 4117 4118 ptr = sec->orelocation[idx]; 4119 4120 /* The address of an ELF reloc is section relative for an object 4121 file, and absolute for an executable file or shared library. 4122 The address of a BFD reloc is always section relative. */ 4123 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4124 int_rela.r_offset = ptr->address; 4125 else 4126 int_rela.r_offset = ptr->address + sec->vma; 4127 4128 sym = *ptr->sym_ptr_ptr; 4129 if (sym == last_sym) 4130 n = last_sym_idx; 4131 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4132 n = STN_UNDEF; 4133 else 4134 { 4135 last_sym = sym; 4136 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4137 if (n < 0) 4138 { 4139 *failedp = TRUE; 4140 return; 4141 } 4142 last_sym_idx = n; 4143 } 4144 4145 int_rela.r_sym = n; 4146 int_rela.r_addend = ptr->addend; 4147 int_rela.r_ssym = RSS_UNDEF; 4148 4149 if ((*ptr->sym_ptr_ptr)->the_bfd != NULL 4150 && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4151 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4152 { 4153 *failedp = TRUE; 4154 return; 4155 } 4156 4157 int_rela.r_type = ptr->howto->type; 4158 int_rela.r_type2 = (int) R_MIPS_NONE; 4159 int_rela.r_type3 = (int) R_MIPS_NONE; 4160 4161 for (i = 0; i < 2; i++) 4162 { 4163 arelent *r; 4164 4165 if (idx + 1 >= sec->reloc_count) 4166 break; 4167 r = sec->orelocation[idx + 1]; 4168 if (r->address != ptr->address 4169 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4170 || (*r->sym_ptr_ptr)->value != 0) 4171 break; 4172 4173 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4174 4175 if (i == 0) 4176 int_rela.r_type2 = r->howto->type; 4177 else 4178 int_rela.r_type3 = r->howto->type; 4179 4180 ++idx; 4181 } 4182 4183 mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); 4184 } 4185 4186 BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents 4187 == *count); 4188 } 4189 4190 /* Set the right machine number for a MIPS ELF file. */ 4192 4193 static bfd_boolean 4194 mips_elf64_object_p (bfd *abfd) 4195 { 4196 unsigned long mach; 4197 4198 /* Irix 6 is broken. Object file symbol tables are not always 4199 sorted correctly such that local symbols precede global symbols, 4200 and the sh_info field in the symbol table is not always right. */ 4201 if (elf64_mips_irix_compat (abfd) != ict_none) 4202 elf_bad_symtab (abfd) = TRUE; 4203 4204 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 4205 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 4206 return TRUE; 4207 } 4208 4209 /* MIPS ELF local labels start with "$L". */ 4211 static bfd_boolean 4212 mips_elf64_is_local_label_name (bfd *abfd, const char *name) 4213 { 4214 if (name[0] == '$' && name[1] == 'L') 4215 return TRUE; 4216 4217 /* We accept the generic ELF local label syntax as well. */ 4218 return _bfd_elf_is_local_label_name (abfd, name); 4219 } 4220 4221 /* Depending on the target vector we generate some version of Irix 4223 executables or "normal" MIPS ELF ABI executables. */ 4224 static irix_compat_t 4225 elf64_mips_irix_compat (bfd *abfd) 4226 { 4227 if ((abfd->xvec == &mips_elf64_be_vec) 4228 || (abfd->xvec == &mips_elf64_le_vec)) 4229 return ict_irix6; 4230 else 4231 return ict_none; 4232 } 4233 4234 /* Support for core dump NOTE sections. */ 4236 static bfd_boolean 4237 elf64_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 4238 { 4239 int offset; 4240 unsigned int size; 4241 4242 switch (note->descsz) 4243 { 4244 default: 4245 return FALSE; 4246 4247 case 480: /* Linux/MIPS - N64 kernel */ 4248 /* pr_cursig */ 4249 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 4250 4251 /* pr_pid */ 4252 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 32); 4253 4254 /* pr_reg */ 4255 offset = 112; 4256 size = 360; 4257 4258 break; 4259 } 4260 4261 /* Make a ".reg/999" section. */ 4262 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 4263 size, note->descpos + offset); 4264 } 4265 4266 static bfd_boolean 4267 elf64_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 4268 { 4269 switch (note->descsz) 4270 { 4271 default: 4272 return FALSE; 4273 4274 case 136: /* Linux/MIPS - N64 kernel elf_prpsinfo */ 4275 elf_tdata (abfd)->core->pid 4276 = bfd_get_32 (abfd, note->descdata + 24); 4277 elf_tdata (abfd)->core->program 4278 = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); 4279 elf_tdata (abfd)->core->command 4280 = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); 4281 } 4282 4283 /* Note that for some reason, a spurious space is tacked 4284 onto the end of the args in some (at least one anyway) 4285 implementations, so strip it off if it exists. */ 4286 4287 { 4288 char *command = elf_tdata (abfd)->core->command; 4289 int n = strlen (command); 4290 4291 if (0 < n && command[n - 1] == ' ') 4292 command[n - 1] = '\0'; 4293 } 4294 4295 return TRUE; 4296 } 4297 4298 /* Write Linux core PRSTATUS note into core file. */ 4299 4300 static char * 4301 elf64_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, 4302 ...) 4303 { 4304 switch (note_type) 4305 { 4306 default: 4307 return NULL; 4308 4309 case NT_PRPSINFO: 4310 BFD_FAIL (); 4311 return NULL; 4312 4313 case NT_PRSTATUS: 4314 { 4315 char data[480]; 4316 va_list ap; 4317 long pid; 4318 int cursig; 4319 const void *greg; 4320 4321 va_start (ap, note_type); 4322 memset (data, 0, 112); 4323 pid = va_arg (ap, long); 4324 bfd_put_32 (abfd, pid, data + 32); 4325 cursig = va_arg (ap, int); 4326 bfd_put_16 (abfd, cursig, data + 12); 4327 greg = va_arg (ap, const void *); 4328 memcpy (data + 112, greg, 360); 4329 memset (data + 472, 0, 8); 4330 va_end (ap); 4331 return elfcore_write_note (abfd, buf, bufsiz, 4332 "CORE", note_type, data, sizeof (data)); 4333 } 4334 } 4335 } 4336 4337 /* ECOFF swapping routines. These are used when dealing with the 4339 .mdebug section, which is in the ECOFF debugging format. */ 4340 static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = 4341 { 4342 /* Symbol table magic number. */ 4343 magicSym2, 4344 /* Alignment of debugging information. E.g., 4. */ 4345 8, 4346 /* Sizes of external symbolic information. */ 4347 sizeof (struct hdr_ext), 4348 sizeof (struct dnr_ext), 4349 sizeof (struct pdr_ext), 4350 sizeof (struct sym_ext), 4351 sizeof (struct opt_ext), 4352 sizeof (struct fdr_ext), 4353 sizeof (struct rfd_ext), 4354 sizeof (struct ext_ext), 4355 /* Functions to swap in external symbolic data. */ 4356 ecoff_swap_hdr_in, 4357 ecoff_swap_dnr_in, 4358 ecoff_swap_pdr_in, 4359 ecoff_swap_sym_in, 4360 ecoff_swap_opt_in, 4361 ecoff_swap_fdr_in, 4362 ecoff_swap_rfd_in, 4363 ecoff_swap_ext_in, 4364 _bfd_ecoff_swap_tir_in, 4365 _bfd_ecoff_swap_rndx_in, 4366 /* Functions to swap out external symbolic data. */ 4367 ecoff_swap_hdr_out, 4368 ecoff_swap_dnr_out, 4369 ecoff_swap_pdr_out, 4370 ecoff_swap_sym_out, 4371 ecoff_swap_opt_out, 4372 ecoff_swap_fdr_out, 4373 ecoff_swap_rfd_out, 4374 ecoff_swap_ext_out, 4375 _bfd_ecoff_swap_tir_out, 4376 _bfd_ecoff_swap_rndx_out, 4377 /* Function to read in symbolic data. */ 4378 _bfd_mips_elf_read_ecoff_info 4379 }; 4380 4381 /* Relocations in the 64 bit MIPS ELF ABI are more complex than in 4383 standard ELF. This structure is used to redirect the relocation 4384 handling routines. */ 4385 4386 const struct elf_size_info mips_elf64_size_info = 4387 { 4388 sizeof (Elf64_External_Ehdr), 4389 sizeof (Elf64_External_Phdr), 4390 sizeof (Elf64_External_Shdr), 4391 sizeof (Elf64_Mips_External_Rel), 4392 sizeof (Elf64_Mips_External_Rela), 4393 sizeof (Elf64_External_Sym), 4394 sizeof (Elf64_External_Dyn), 4395 sizeof (Elf_External_Note), 4396 4, /* hash-table entry size */ 4397 3, /* internal relocations per external relocations */ 4398 64, /* arch_size */ 4399 3, /* log_file_align */ 4400 ELFCLASS64, 4401 EV_CURRENT, 4402 bfd_elf64_write_out_phdrs, 4403 bfd_elf64_write_shdrs_and_ehdr, 4404 bfd_elf64_checksum_contents, 4405 mips_elf64_write_relocs, 4406 bfd_elf64_swap_symbol_in, 4407 bfd_elf64_swap_symbol_out, 4408 mips_elf64_slurp_reloc_table, 4409 bfd_elf64_slurp_symbol_table, 4410 bfd_elf64_swap_dyn_in, 4411 bfd_elf64_swap_dyn_out, 4412 mips_elf64_be_swap_reloc_in, 4413 mips_elf64_be_swap_reloc_out, 4414 mips_elf64_be_swap_reloca_in, 4415 mips_elf64_be_swap_reloca_out 4416 }; 4417 4418 #define ELF_ARCH bfd_arch_mips 4419 #define ELF_TARGET_ID MIPS_ELF_DATA 4420 #define ELF_MACHINE_CODE EM_MIPS 4421 4422 #define elf_backend_collect TRUE 4423 #define elf_backend_type_change_ok TRUE 4424 #define elf_backend_can_gc_sections TRUE 4425 #define elf_backend_gc_mark_extra_sections \ 4426 _bfd_mips_elf_gc_mark_extra_sections 4427 #define elf_info_to_howto mips_elf64_info_to_howto_rela 4428 #define elf_info_to_howto_rel mips_elf64_info_to_howto_rela 4429 #define elf_backend_object_p mips_elf64_object_p 4430 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 4431 #define elf_backend_section_processing _bfd_mips_elf_section_processing 4432 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 4433 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 4434 #define elf_backend_section_from_bfd_section \ 4435 _bfd_mips_elf_section_from_bfd_section 4436 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 4437 #define elf_backend_link_output_symbol_hook \ 4438 _bfd_mips_elf_link_output_symbol_hook 4439 #define elf_backend_create_dynamic_sections \ 4440 _bfd_mips_elf_create_dynamic_sections 4441 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 4442 #define elf_backend_merge_symbol_attribute \ 4443 _bfd_mips_elf_merge_symbol_attribute 4444 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 4445 #define elf_backend_adjust_dynamic_symbol \ 4446 _bfd_mips_elf_adjust_dynamic_symbol 4447 #define elf_backend_always_size_sections \ 4448 _bfd_mips_elf_always_size_sections 4449 #define elf_backend_size_dynamic_sections \ 4450 _bfd_mips_elf_size_dynamic_sections 4451 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 4452 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 4453 #define elf_backend_finish_dynamic_symbol \ 4454 _bfd_mips_elf_finish_dynamic_symbol 4455 #define elf_backend_finish_dynamic_sections \ 4456 _bfd_mips_elf_finish_dynamic_sections 4457 #define elf_backend_final_write_processing \ 4458 _bfd_mips_elf_final_write_processing 4459 #define elf_backend_additional_program_headers \ 4460 _bfd_mips_elf_additional_program_headers 4461 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 4462 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 4463 #define elf_backend_copy_indirect_symbol \ 4464 _bfd_mips_elf_copy_indirect_symbol 4465 #define elf_backend_ignore_discarded_relocs \ 4466 _bfd_mips_elf_ignore_discarded_relocs 4467 #define elf_backend_mips_irix_compat elf64_mips_irix_compat 4468 #define elf_backend_mips_rtype_to_howto mips_elf64_rtype_to_howto 4469 #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap 4470 #define elf_backend_size_info mips_elf64_size_info 4471 4472 #define elf_backend_grok_prstatus elf64_mips_grok_prstatus 4473 #define elf_backend_grok_psinfo elf64_mips_grok_psinfo 4474 4475 #define elf_backend_got_header_size (8 * MIPS_RESERVED_GOTNO) 4476 #define elf_backend_want_dynrelro 1 4477 4478 /* MIPS ELF64 can use a mixture of REL and RELA, but some Relocations 4479 work better/work only in RELA, so we default to this. */ 4480 #define elf_backend_may_use_rel_p 1 4481 #define elf_backend_may_use_rela_p 1 4482 #define elf_backend_default_use_rela_p 1 4483 #define elf_backend_rela_plts_and_copies_p 0 4484 #define elf_backend_plt_readonly 1 4485 #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val 4486 4487 #define elf_backend_sign_extend_vma TRUE 4488 4489 #define elf_backend_write_section _bfd_mips_elf_write_section 4490 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p 4491 4492 #define bfd_elf64_bfd_is_local_label_name \ 4493 mips_elf64_is_local_label_name 4494 #define bfd_elf64_bfd_is_target_special_symbol \ 4495 _bfd_mips_elf_is_target_special_symbol 4496 #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line 4497 #define bfd_elf64_find_inliner_info _bfd_mips_elf_find_inliner_info 4498 #define bfd_elf64_new_section_hook _bfd_mips_elf_new_section_hook 4499 #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents 4500 #define bfd_elf64_bfd_get_relocated_section_contents \ 4501 _bfd_elf_mips_get_relocated_section_contents 4502 #define bfd_elf64_bfd_link_hash_table_create \ 4503 _bfd_mips_elf_link_hash_table_create 4504 #define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link 4505 #define bfd_elf64_bfd_merge_private_bfd_data \ 4506 _bfd_mips_elf_merge_private_bfd_data 4507 #define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags 4508 #define bfd_elf64_bfd_print_private_bfd_data \ 4509 _bfd_mips_elf_print_private_bfd_data 4510 4511 #define bfd_elf64_get_dynamic_reloc_upper_bound mips_elf64_get_dynamic_reloc_upper_bound 4512 #define bfd_elf64_mkobject _bfd_mips_elf_mkobject 4513 4514 /* The SGI style (n)64 NewABI. */ 4515 #define TARGET_LITTLE_SYM mips_elf64_le_vec 4516 #define TARGET_LITTLE_NAME "elf64-littlemips" 4517 #define TARGET_BIG_SYM mips_elf64_be_vec 4518 #define TARGET_BIG_NAME "elf64-bigmips" 4519 4520 #define ELF_MAXPAGESIZE 0x10000 4521 #define ELF_COMMONPAGESIZE 0x1000 4522 4523 #include "elf64-target.h" 4524 4525 /* The SYSV-style 'traditional' (n)64 NewABI. */ 4526 #undef TARGET_LITTLE_SYM 4527 #undef TARGET_LITTLE_NAME 4528 #undef TARGET_BIG_SYM 4529 #undef TARGET_BIG_NAME 4530 4531 #undef ELF_MAXPAGESIZE 4532 #undef ELF_COMMONPAGESIZE 4533 4534 #define TARGET_LITTLE_SYM mips_elf64_trad_le_vec 4535 #define TARGET_LITTLE_NAME "elf64-tradlittlemips" 4536 #define TARGET_BIG_SYM mips_elf64_trad_be_vec 4537 #define TARGET_BIG_NAME "elf64-tradbigmips" 4538 4539 #define ELF_MAXPAGESIZE 0x10000 4540 #define ELF_COMMONPAGESIZE 0x1000 4541 #define elf64_bed elf64_tradbed 4542 4543 #undef elf_backend_write_core_note 4544 #define elf_backend_write_core_note elf64_mips_write_core_note 4545 4546 /* Include the target file again for this target. */ 4547 #include "elf64-target.h" 4548 4549 4550 /* FreeBSD support. */ 4551 4552 #undef TARGET_LITTLE_SYM 4553 #undef TARGET_LITTLE_NAME 4554 #undef TARGET_BIG_SYM 4555 #undef TARGET_BIG_NAME 4556 4557 #define TARGET_LITTLE_SYM mips_elf64_tradfbsd_le_vec 4558 #define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd" 4559 #define TARGET_BIG_SYM mips_elf64_tradfbsd_be_vec 4560 #define TARGET_BIG_NAME "elf64-tradbigmips-freebsd" 4561 4562 #undef ELF_OSABI 4563 #define ELF_OSABI ELFOSABI_FREEBSD 4564 4565 #undef elf64_bed 4566 #define elf64_bed elf64_fbsd_tradbed 4567 4568 #undef elf64_mips_write_core_note 4569 4570 #include "elf64-target.h" 4571
Indexes created Sun Oct 25 00:26:45 UTC 2026