elfn32-mips.c revision 1.5.2.1
1 /* MIPS-specific support for 32-bit ELF 2 Copyright (C) 1993-2018 Free Software Foundation, Inc. 3 4 Most of the information added by Ian Lance Taylor, Cygnus Support, 5 <ian (at) cygnus.com>. 6 N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. 7 <mark (at) codesourcery.com> 8 Traditional MIPS targets support added by Koundinya.K, Dansk Data 9 Elektronik & Operations Research Group. <kk (at) ddeorg.soft.net> 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 3 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 26 MA 02110-1301, USA. */ 27 28 29 /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly 30 different MIPS ELF from other targets. This matters when linking. 31 This file supports both, switching at runtime. */ 32 33 #include "sysdep.h" 34 #include "bfd.h" 35 #include "libbfd.h" 36 #include "bfdlink.h" 37 #include "genlink.h" 38 #include "elf-bfd.h" 39 #include "elfxx-mips.h" 40 #include "elf/mips.h" 41 42 /* Get the ECOFF swapping routines. */ 43 #include "coff/sym.h" 44 #include "coff/symconst.h" 45 #include "coff/internal.h" 46 #include "coff/ecoff.h" 47 #include "coff/mips.h" 48 #define ECOFF_SIGNED_32 49 #include "ecoffswap.h" 50 51 static bfd_boolean mips_elf_assign_gp 52 (bfd *, bfd_vma *); 53 static bfd_reloc_status_type mips_elf_final_gp 54 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 55 static bfd_reloc_status_type mips_elf_gprel16_reloc 56 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 57 static bfd_reloc_status_type mips_elf_literal_reloc 58 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 59 static bfd_reloc_status_type mips_elf_gprel32_reloc 60 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 61 static bfd_reloc_status_type gprel32_with_gp 62 (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); 63 static bfd_reloc_status_type mips_elf_shift6_reloc 64 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 65 static bfd_reloc_status_type mips16_gprel_reloc 66 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 67 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup 68 (bfd *, bfd_reloc_code_real_type); 69 static bfd_boolean mips_info_to_howto_rel 70 (bfd *, arelent *, Elf_Internal_Rela *); 71 static bfd_boolean mips_info_to_howto_rela 72 (bfd *, arelent *, Elf_Internal_Rela *); 73 static bfd_boolean mips_elf_sym_is_global 74 (bfd *, asymbol *); 75 static bfd_boolean mips_elf_n32_object_p 76 (bfd *); 77 static bfd_boolean elf32_mips_grok_prstatus 78 (bfd *, Elf_Internal_Note *); 79 static bfd_boolean elf32_mips_grok_psinfo 80 (bfd *, Elf_Internal_Note *); 81 static bfd_boolean mips_elf_n32_is_local_label_name 82 (bfd *, const char *); 83 static bfd_boolean elf_n32_mips_grok_freebsd_prstatus 84 (bfd *, Elf_Internal_Note *); 85 static irix_compat_t elf_n32_mips_irix_compat 86 (bfd *); 87 static bfd_boolean mips_elf_n32_mkobject 88 (bfd *); 89 90 extern const bfd_target mips_elf32_n_be_vec; 91 extern const bfd_target mips_elf32_n_le_vec; 92 93 /* Nonzero if ABFD is using the N32 ABI. */ 94 #define ABI_N32_P(abfd) \ 95 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) 96 97 /* Whether we are trying to be compatible with IRIX at all. */ 98 #define SGI_COMPAT(abfd) \ 99 (elf_n32_mips_irix_compat (abfd) != ict_none) 100 101 /* The number of local .got entries we reserve. */ 102 #define MIPS_RESERVED_GOTNO (2) 103 104 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 105 from smaller values. Start with zero, widen, *then* decrement. */ 106 #define MINUS_ONE (((bfd_vma)0) - 1) 107 108 /* The relocation table used for SHT_REL sections. */ 109 110 static reloc_howto_type elf_mips_howto_table_rel[] = 111 { 112 /* No relocation. */ 113 HOWTO (R_MIPS_NONE, /* type */ 114 0, /* rightshift */ 115 3, /* size (0 = byte, 1 = short, 2 = long) */ 116 0, /* bitsize */ 117 FALSE, /* pc_relative */ 118 0, /* bitpos */ 119 complain_overflow_dont, /* complain_on_overflow */ 120 _bfd_mips_elf_generic_reloc, /* special_function */ 121 "R_MIPS_NONE", /* name */ 122 FALSE, /* partial_inplace */ 123 0, /* src_mask */ 124 0, /* dst_mask */ 125 FALSE), /* pcrel_offset */ 126 127 /* 16 bit relocation. */ 128 HOWTO (R_MIPS_16, /* type */ 129 0, /* rightshift */ 130 2, /* size (0 = byte, 1 = short, 2 = long) */ 131 16, /* bitsize */ 132 FALSE, /* pc_relative */ 133 0, /* bitpos */ 134 complain_overflow_signed, /* complain_on_overflow */ 135 _bfd_mips_elf_generic_reloc, /* special_function */ 136 "R_MIPS_16", /* name */ 137 TRUE, /* partial_inplace */ 138 0x0000ffff, /* src_mask */ 139 0x0000ffff, /* dst_mask */ 140 FALSE), /* pcrel_offset */ 141 142 /* 32 bit relocation. */ 143 HOWTO (R_MIPS_32, /* type */ 144 0, /* rightshift */ 145 2, /* size (0 = byte, 1 = short, 2 = long) */ 146 32, /* bitsize */ 147 FALSE, /* pc_relative */ 148 0, /* bitpos */ 149 complain_overflow_dont, /* complain_on_overflow */ 150 _bfd_mips_elf_generic_reloc, /* special_function */ 151 "R_MIPS_32", /* name */ 152 TRUE, /* partial_inplace */ 153 0xffffffff, /* src_mask */ 154 0xffffffff, /* dst_mask */ 155 FALSE), /* pcrel_offset */ 156 157 /* 32 bit symbol relative relocation. */ 158 HOWTO (R_MIPS_REL32, /* type */ 159 0, /* rightshift */ 160 2, /* size (0 = byte, 1 = short, 2 = long) */ 161 32, /* bitsize */ 162 FALSE, /* pc_relative */ 163 0, /* bitpos */ 164 complain_overflow_dont, /* complain_on_overflow */ 165 _bfd_mips_elf_generic_reloc, /* special_function */ 166 "R_MIPS_REL32", /* name */ 167 TRUE, /* partial_inplace */ 168 0xffffffff, /* src_mask */ 169 0xffffffff, /* dst_mask */ 170 FALSE), /* pcrel_offset */ 171 172 /* 26 bit jump address. */ 173 HOWTO (R_MIPS_26, /* type */ 174 2, /* rightshift */ 175 2, /* size (0 = byte, 1 = short, 2 = long) */ 176 26, /* bitsize */ 177 FALSE, /* pc_relative */ 178 0, /* bitpos */ 179 complain_overflow_dont, /* complain_on_overflow */ 180 /* This needs complex overflow 181 detection, because the upper four 182 bits must match the PC + 4. */ 183 _bfd_mips_elf_generic_reloc, /* special_function */ 184 "R_MIPS_26", /* name */ 185 TRUE, /* partial_inplace */ 186 0x03ffffff, /* src_mask */ 187 0x03ffffff, /* dst_mask */ 188 FALSE), /* pcrel_offset */ 189 190 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. 191 However, the native IRIX6 tools use them, so we try our best. */ 192 193 /* High 16 bits of symbol value. */ 194 HOWTO (R_MIPS_HI16, /* type */ 195 16, /* rightshift */ 196 2, /* size (0 = byte, 1 = short, 2 = long) */ 197 16, /* bitsize */ 198 FALSE, /* pc_relative */ 199 0, /* bitpos */ 200 complain_overflow_dont, /* complain_on_overflow */ 201 _bfd_mips_elf_hi16_reloc, /* special_function */ 202 "R_MIPS_HI16", /* name */ 203 TRUE, /* partial_inplace */ 204 0x0000ffff, /* src_mask */ 205 0x0000ffff, /* dst_mask */ 206 FALSE), /* pcrel_offset */ 207 208 /* Low 16 bits of symbol value. */ 209 HOWTO (R_MIPS_LO16, /* type */ 210 0, /* rightshift */ 211 2, /* size (0 = byte, 1 = short, 2 = long) */ 212 16, /* bitsize */ 213 FALSE, /* pc_relative */ 214 0, /* bitpos */ 215 complain_overflow_dont, /* complain_on_overflow */ 216 _bfd_mips_elf_lo16_reloc, /* special_function */ 217 "R_MIPS_LO16", /* name */ 218 TRUE, /* partial_inplace */ 219 0x0000ffff, /* src_mask */ 220 0x0000ffff, /* dst_mask */ 221 FALSE), /* pcrel_offset */ 222 223 /* GP relative reference. */ 224 HOWTO (R_MIPS_GPREL16, /* type */ 225 0, /* rightshift */ 226 2, /* size (0 = byte, 1 = short, 2 = long) */ 227 16, /* bitsize */ 228 FALSE, /* pc_relative */ 229 0, /* bitpos */ 230 complain_overflow_signed, /* complain_on_overflow */ 231 mips_elf_gprel16_reloc, /* special_function */ 232 "R_MIPS_GPREL16", /* name */ 233 TRUE, /* partial_inplace */ 234 0x0000ffff, /* src_mask */ 235 0x0000ffff, /* dst_mask */ 236 FALSE), /* pcrel_offset */ 237 238 /* Reference to literal section. */ 239 HOWTO (R_MIPS_LITERAL, /* type */ 240 0, /* rightshift */ 241 2, /* size (0 = byte, 1 = short, 2 = long) */ 242 16, /* bitsize */ 243 FALSE, /* pc_relative */ 244 0, /* bitpos */ 245 complain_overflow_signed, /* complain_on_overflow */ 246 mips_elf_literal_reloc, /* special_function */ 247 "R_MIPS_LITERAL", /* name */ 248 TRUE, /* partial_inplace */ 249 0x0000ffff, /* src_mask */ 250 0x0000ffff, /* dst_mask */ 251 FALSE), /* pcrel_offset */ 252 253 /* Reference to global offset table. */ 254 HOWTO (R_MIPS_GOT16, /* type */ 255 0, /* rightshift */ 256 2, /* size (0 = byte, 1 = short, 2 = long) */ 257 16, /* bitsize */ 258 FALSE, /* pc_relative */ 259 0, /* bitpos */ 260 complain_overflow_signed, /* complain_on_overflow */ 261 _bfd_mips_elf_got16_reloc, /* special_function */ 262 "R_MIPS_GOT16", /* name */ 263 TRUE, /* partial_inplace */ 264 0x0000ffff, /* src_mask */ 265 0x0000ffff, /* dst_mask */ 266 FALSE), /* pcrel_offset */ 267 268 /* 16 bit PC relative reference. Note that the ABI document has a typo 269 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 270 We do the right thing here. */ 271 HOWTO (R_MIPS_PC16, /* type */ 272 2, /* rightshift */ 273 2, /* size (0 = byte, 1 = short, 2 = long) */ 274 16, /* bitsize */ 275 TRUE, /* pc_relative */ 276 0, /* bitpos */ 277 complain_overflow_signed, /* complain_on_overflow */ 278 _bfd_mips_elf_generic_reloc, /* special_function */ 279 "R_MIPS_PC16", /* name */ 280 TRUE, /* partial_inplace */ 281 0x0000ffff, /* src_mask */ 282 0x0000ffff, /* dst_mask */ 283 TRUE), /* pcrel_offset */ 284 285 /* 16 bit call through global offset table. */ 286 HOWTO (R_MIPS_CALL16, /* type */ 287 0, /* rightshift */ 288 2, /* size (0 = byte, 1 = short, 2 = long) */ 289 16, /* bitsize */ 290 FALSE, /* pc_relative */ 291 0, /* bitpos */ 292 complain_overflow_signed, /* complain_on_overflow */ 293 _bfd_mips_elf_generic_reloc, /* special_function */ 294 "R_MIPS_CALL16", /* name */ 295 TRUE, /* partial_inplace */ 296 0x0000ffff, /* src_mask */ 297 0x0000ffff, /* dst_mask */ 298 FALSE), /* pcrel_offset */ 299 300 /* 32 bit GP relative reference. */ 301 HOWTO (R_MIPS_GPREL32, /* type */ 302 0, /* rightshift */ 303 2, /* size (0 = byte, 1 = short, 2 = long) */ 304 32, /* bitsize */ 305 FALSE, /* pc_relative */ 306 0, /* bitpos */ 307 complain_overflow_dont, /* complain_on_overflow */ 308 mips_elf_gprel32_reloc, /* special_function */ 309 "R_MIPS_GPREL32", /* name */ 310 TRUE, /* partial_inplace */ 311 0xffffffff, /* src_mask */ 312 0xffffffff, /* dst_mask */ 313 FALSE), /* pcrel_offset */ 314 315 /* The remaining relocs are defined on Irix 5, although they are 316 not defined by the ABI. */ 317 EMPTY_HOWTO (13), 318 EMPTY_HOWTO (14), 319 EMPTY_HOWTO (15), 320 321 /* A 5 bit shift field. */ 322 HOWTO (R_MIPS_SHIFT5, /* type */ 323 0, /* rightshift */ 324 2, /* size (0 = byte, 1 = short, 2 = long) */ 325 5, /* bitsize */ 326 FALSE, /* pc_relative */ 327 6, /* bitpos */ 328 complain_overflow_bitfield, /* complain_on_overflow */ 329 _bfd_mips_elf_generic_reloc, /* special_function */ 330 "R_MIPS_SHIFT5", /* name */ 331 TRUE, /* partial_inplace */ 332 0x000007c0, /* src_mask */ 333 0x000007c0, /* dst_mask */ 334 FALSE), /* pcrel_offset */ 335 336 /* A 6 bit shift field. */ 337 HOWTO (R_MIPS_SHIFT6, /* type */ 338 0, /* rightshift */ 339 2, /* size (0 = byte, 1 = short, 2 = long) */ 340 6, /* bitsize */ 341 FALSE, /* pc_relative */ 342 6, /* bitpos */ 343 complain_overflow_bitfield, /* complain_on_overflow */ 344 mips_elf_shift6_reloc, /* special_function */ 345 "R_MIPS_SHIFT6", /* name */ 346 TRUE, /* partial_inplace */ 347 0x000007c4, /* src_mask */ 348 0x000007c4, /* dst_mask */ 349 FALSE), /* pcrel_offset */ 350 351 /* A 64 bit relocation. */ 352 HOWTO (R_MIPS_64, /* type */ 353 0, /* rightshift */ 354 4, /* size (0 = byte, 1 = short, 2 = long) */ 355 64, /* bitsize */ 356 FALSE, /* pc_relative */ 357 0, /* bitpos */ 358 complain_overflow_dont, /* complain_on_overflow */ 359 _bfd_mips_elf_generic_reloc, /* special_function */ 360 "R_MIPS_64", /* name */ 361 TRUE, /* partial_inplace */ 362 MINUS_ONE, /* src_mask */ 363 MINUS_ONE, /* dst_mask */ 364 FALSE), /* pcrel_offset */ 365 366 /* Displacement in the global offset table. */ 367 HOWTO (R_MIPS_GOT_DISP, /* type */ 368 0, /* rightshift */ 369 2, /* size (0 = byte, 1 = short, 2 = long) */ 370 16, /* bitsize */ 371 FALSE, /* pc_relative */ 372 0, /* bitpos */ 373 complain_overflow_signed, /* complain_on_overflow */ 374 _bfd_mips_elf_generic_reloc, /* special_function */ 375 "R_MIPS_GOT_DISP", /* name */ 376 TRUE, /* partial_inplace */ 377 0x0000ffff, /* src_mask */ 378 0x0000ffff, /* dst_mask */ 379 FALSE), /* pcrel_offset */ 380 381 /* Displacement to page pointer in the global offset table. */ 382 HOWTO (R_MIPS_GOT_PAGE, /* type */ 383 0, /* rightshift */ 384 2, /* size (0 = byte, 1 = short, 2 = long) */ 385 16, /* bitsize */ 386 FALSE, /* pc_relative */ 387 0, /* bitpos */ 388 complain_overflow_signed, /* complain_on_overflow */ 389 _bfd_mips_elf_generic_reloc, /* special_function */ 390 "R_MIPS_GOT_PAGE", /* name */ 391 TRUE, /* partial_inplace */ 392 0x0000ffff, /* src_mask */ 393 0x0000ffff, /* dst_mask */ 394 FALSE), /* pcrel_offset */ 395 396 /* Offset from page pointer in the global offset table. */ 397 HOWTO (R_MIPS_GOT_OFST, /* type */ 398 0, /* rightshift */ 399 2, /* size (0 = byte, 1 = short, 2 = long) */ 400 16, /* bitsize */ 401 FALSE, /* pc_relative */ 402 0, /* bitpos */ 403 complain_overflow_signed, /* complain_on_overflow */ 404 _bfd_mips_elf_generic_reloc, /* special_function */ 405 "R_MIPS_GOT_OFST", /* name */ 406 TRUE, /* partial_inplace */ 407 0x0000ffff, /* src_mask */ 408 0x0000ffff, /* dst_mask */ 409 FALSE), /* pcrel_offset */ 410 411 /* High 16 bits of displacement in global offset table. */ 412 HOWTO (R_MIPS_GOT_HI16, /* type */ 413 0, /* rightshift */ 414 2, /* size (0 = byte, 1 = short, 2 = long) */ 415 16, /* bitsize */ 416 FALSE, /* pc_relative */ 417 0, /* bitpos */ 418 complain_overflow_dont, /* complain_on_overflow */ 419 _bfd_mips_elf_generic_reloc, /* special_function */ 420 "R_MIPS_GOT_HI16", /* name */ 421 TRUE, /* partial_inplace */ 422 0x0000ffff, /* src_mask */ 423 0x0000ffff, /* dst_mask */ 424 FALSE), /* pcrel_offset */ 425 426 /* Low 16 bits of displacement in global offset table. */ 427 HOWTO (R_MIPS_GOT_LO16, /* type */ 428 0, /* rightshift */ 429 2, /* size (0 = byte, 1 = short, 2 = long) */ 430 16, /* bitsize */ 431 FALSE, /* pc_relative */ 432 0, /* bitpos */ 433 complain_overflow_dont, /* complain_on_overflow */ 434 _bfd_mips_elf_generic_reloc, /* special_function */ 435 "R_MIPS_GOT_LO16", /* name */ 436 TRUE, /* partial_inplace */ 437 0x0000ffff, /* src_mask */ 438 0x0000ffff, /* dst_mask */ 439 FALSE), /* pcrel_offset */ 440 441 /* 64 bit subtraction. */ 442 HOWTO (R_MIPS_SUB, /* type */ 443 0, /* rightshift */ 444 4, /* size (0 = byte, 1 = short, 2 = long) */ 445 64, /* bitsize */ 446 FALSE, /* pc_relative */ 447 0, /* bitpos */ 448 complain_overflow_dont, /* complain_on_overflow */ 449 _bfd_mips_elf_generic_reloc, /* special_function */ 450 "R_MIPS_SUB", /* name */ 451 TRUE, /* partial_inplace */ 452 MINUS_ONE, /* src_mask */ 453 MINUS_ONE, /* dst_mask */ 454 FALSE), /* pcrel_offset */ 455 456 /* Insert the addend as an instruction. */ 457 /* FIXME: Not handled correctly. */ 458 HOWTO (R_MIPS_INSERT_A, /* type */ 459 0, /* rightshift */ 460 2, /* size (0 = byte, 1 = short, 2 = long) */ 461 32, /* bitsize */ 462 FALSE, /* pc_relative */ 463 0, /* bitpos */ 464 complain_overflow_dont, /* complain_on_overflow */ 465 _bfd_mips_elf_generic_reloc, /* special_function */ 466 "R_MIPS_INSERT_A", /* name */ 467 TRUE, /* partial_inplace */ 468 0xffffffff, /* src_mask */ 469 0xffffffff, /* dst_mask */ 470 FALSE), /* pcrel_offset */ 471 472 /* Insert the addend as an instruction, and change all relocations 473 to refer to the old instruction at the address. */ 474 /* FIXME: Not handled correctly. */ 475 HOWTO (R_MIPS_INSERT_B, /* type */ 476 0, /* rightshift */ 477 2, /* size (0 = byte, 1 = short, 2 = long) */ 478 32, /* bitsize */ 479 FALSE, /* pc_relative */ 480 0, /* bitpos */ 481 complain_overflow_dont, /* complain_on_overflow */ 482 _bfd_mips_elf_generic_reloc, /* special_function */ 483 "R_MIPS_INSERT_B", /* name */ 484 TRUE, /* partial_inplace */ 485 0xffffffff, /* src_mask */ 486 0xffffffff, /* dst_mask */ 487 FALSE), /* pcrel_offset */ 488 489 /* Delete a 32 bit instruction. */ 490 /* FIXME: Not handled correctly. */ 491 HOWTO (R_MIPS_DELETE, /* type */ 492 0, /* rightshift */ 493 2, /* size (0 = byte, 1 = short, 2 = long) */ 494 32, /* bitsize */ 495 FALSE, /* pc_relative */ 496 0, /* bitpos */ 497 complain_overflow_dont, /* complain_on_overflow */ 498 _bfd_mips_elf_generic_reloc, /* special_function */ 499 "R_MIPS_DELETE", /* name */ 500 TRUE, /* partial_inplace */ 501 0xffffffff, /* src_mask */ 502 0xffffffff, /* dst_mask */ 503 FALSE), /* pcrel_offset */ 504 505 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. 506 We don't, because 507 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ 508 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using 509 fallable heuristics. 510 b) No other NewABI toolchain actually emits such relocations. */ 511 EMPTY_HOWTO (R_MIPS_HIGHER), 512 EMPTY_HOWTO (R_MIPS_HIGHEST), 513 514 /* High 16 bits of displacement in global offset table. */ 515 HOWTO (R_MIPS_CALL_HI16, /* type */ 516 0, /* rightshift */ 517 2, /* size (0 = byte, 1 = short, 2 = long) */ 518 16, /* 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_CALL_HI16", /* name */ 524 TRUE, /* partial_inplace */ 525 0x0000ffff, /* src_mask */ 526 0x0000ffff, /* dst_mask */ 527 FALSE), /* pcrel_offset */ 528 529 /* Low 16 bits of displacement in global offset table. */ 530 HOWTO (R_MIPS_CALL_LO16, /* type */ 531 0, /* rightshift */ 532 2, /* size (0 = byte, 1 = short, 2 = long) */ 533 16, /* bitsize */ 534 FALSE, /* pc_relative */ 535 0, /* bitpos */ 536 complain_overflow_dont, /* complain_on_overflow */ 537 _bfd_mips_elf_generic_reloc, /* special_function */ 538 "R_MIPS_CALL_LO16", /* name */ 539 TRUE, /* partial_inplace */ 540 0x0000ffff, /* src_mask */ 541 0x0000ffff, /* dst_mask */ 542 FALSE), /* pcrel_offset */ 543 544 /* Section displacement. */ 545 HOWTO (R_MIPS_SCN_DISP, /* type */ 546 0, /* rightshift */ 547 2, /* size (0 = byte, 1 = short, 2 = long) */ 548 32, /* bitsize */ 549 FALSE, /* pc_relative */ 550 0, /* bitpos */ 551 complain_overflow_dont, /* complain_on_overflow */ 552 _bfd_mips_elf_generic_reloc, /* special_function */ 553 "R_MIPS_SCN_DISP", /* name */ 554 TRUE, /* partial_inplace */ 555 0xffffffff, /* src_mask */ 556 0xffffffff, /* dst_mask */ 557 FALSE), /* pcrel_offset */ 558 559 HOWTO (R_MIPS_REL16, /* type */ 560 0, /* rightshift */ 561 1, /* size (0 = byte, 1 = short, 2 = long) */ 562 16, /* bitsize */ 563 FALSE, /* pc_relative */ 564 0, /* bitpos */ 565 complain_overflow_signed, /* complain_on_overflow */ 566 _bfd_mips_elf_generic_reloc, /* special_function */ 567 "R_MIPS_REL16", /* name */ 568 TRUE, /* partial_inplace */ 569 0xffff, /* src_mask */ 570 0xffff, /* dst_mask */ 571 FALSE), /* pcrel_offset */ 572 573 /* These two are obsolete. */ 574 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 575 EMPTY_HOWTO (R_MIPS_PJUMP), 576 577 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 578 It must be used for multigot GOT's (and only there). */ 579 HOWTO (R_MIPS_RELGOT, /* type */ 580 0, /* rightshift */ 581 2, /* size (0 = byte, 1 = short, 2 = long) */ 582 32, /* bitsize */ 583 FALSE, /* pc_relative */ 584 0, /* bitpos */ 585 complain_overflow_dont, /* complain_on_overflow */ 586 _bfd_mips_elf_generic_reloc, /* special_function */ 587 "R_MIPS_RELGOT", /* name */ 588 TRUE, /* partial_inplace */ 589 0xffffffff, /* src_mask */ 590 0xffffffff, /* dst_mask */ 591 FALSE), /* pcrel_offset */ 592 593 /* Protected jump conversion. This is an optimization hint. No 594 relocation is required for correctness. */ 595 HOWTO (R_MIPS_JALR, /* type */ 596 0, /* rightshift */ 597 2, /* size (0 = byte, 1 = short, 2 = long) */ 598 32, /* bitsize */ 599 FALSE, /* pc_relative */ 600 0, /* bitpos */ 601 complain_overflow_dont, /* complain_on_overflow */ 602 _bfd_mips_elf_generic_reloc, /* special_function */ 603 "R_MIPS_JALR", /* name */ 604 FALSE, /* partial_inplace */ 605 0x00000000, /* src_mask */ 606 0x00000000, /* dst_mask */ 607 FALSE), /* pcrel_offset */ 608 609 /* TLS GD/LD dynamic relocations. */ 610 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ 611 0, /* rightshift */ 612 2, /* size (0 = byte, 1 = short, 2 = long) */ 613 32, /* bitsize */ 614 FALSE, /* pc_relative */ 615 0, /* bitpos */ 616 complain_overflow_dont, /* complain_on_overflow */ 617 _bfd_mips_elf_generic_reloc, /* special_function */ 618 "R_MIPS_TLS_DTPMOD32", /* name */ 619 TRUE, /* partial_inplace */ 620 0xffffffff, /* src_mask */ 621 0xffffffff, /* dst_mask */ 622 FALSE), /* pcrel_offset */ 623 624 HOWTO (R_MIPS_TLS_DTPREL32, /* type */ 625 0, /* rightshift */ 626 2, /* size (0 = byte, 1 = short, 2 = long) */ 627 32, /* bitsize */ 628 FALSE, /* pc_relative */ 629 0, /* bitpos */ 630 complain_overflow_dont, /* complain_on_overflow */ 631 _bfd_mips_elf_generic_reloc, /* special_function */ 632 "R_MIPS_TLS_DTPREL32", /* name */ 633 TRUE, /* partial_inplace */ 634 0xffffffff, /* src_mask */ 635 0xffffffff, /* dst_mask */ 636 FALSE), /* pcrel_offset */ 637 638 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), 639 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), 640 641 /* TLS general dynamic variable reference. */ 642 HOWTO (R_MIPS_TLS_GD, /* type */ 643 0, /* rightshift */ 644 2, /* size (0 = byte, 1 = short, 2 = long) */ 645 16, /* bitsize */ 646 FALSE, /* pc_relative */ 647 0, /* bitpos */ 648 complain_overflow_signed, /* complain_on_overflow */ 649 _bfd_mips_elf_generic_reloc, /* special_function */ 650 "R_MIPS_TLS_GD", /* name */ 651 TRUE, /* partial_inplace */ 652 0x0000ffff, /* src_mask */ 653 0x0000ffff, /* dst_mask */ 654 FALSE), /* pcrel_offset */ 655 656 /* TLS local dynamic variable reference. */ 657 HOWTO (R_MIPS_TLS_LDM, /* type */ 658 0, /* rightshift */ 659 2, /* size (0 = byte, 1 = short, 2 = long) */ 660 16, /* bitsize */ 661 FALSE, /* pc_relative */ 662 0, /* bitpos */ 663 complain_overflow_signed, /* complain_on_overflow */ 664 _bfd_mips_elf_generic_reloc, /* special_function */ 665 "R_MIPS_TLS_LDM", /* name */ 666 TRUE, /* partial_inplace */ 667 0x0000ffff, /* src_mask */ 668 0x0000ffff, /* dst_mask */ 669 FALSE), /* pcrel_offset */ 670 671 /* TLS local dynamic offset. */ 672 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 673 0, /* rightshift */ 674 2, /* size (0 = byte, 1 = short, 2 = long) */ 675 16, /* bitsize */ 676 FALSE, /* pc_relative */ 677 0, /* bitpos */ 678 complain_overflow_signed, /* complain_on_overflow */ 679 _bfd_mips_elf_generic_reloc, /* special_function */ 680 "R_MIPS_TLS_DTPREL_HI16", /* name */ 681 TRUE, /* partial_inplace */ 682 0x0000ffff, /* src_mask */ 683 0x0000ffff, /* dst_mask */ 684 FALSE), /* pcrel_offset */ 685 686 /* TLS local dynamic offset. */ 687 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 688 0, /* rightshift */ 689 2, /* size (0 = byte, 1 = short, 2 = long) */ 690 16, /* bitsize */ 691 FALSE, /* pc_relative */ 692 0, /* bitpos */ 693 complain_overflow_signed, /* complain_on_overflow */ 694 _bfd_mips_elf_generic_reloc, /* special_function */ 695 "R_MIPS_TLS_DTPREL_LO16", /* name */ 696 TRUE, /* partial_inplace */ 697 0x0000ffff, /* src_mask */ 698 0x0000ffff, /* dst_mask */ 699 FALSE), /* pcrel_offset */ 700 701 /* TLS thread pointer offset. */ 702 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 703 0, /* rightshift */ 704 2, /* size (0 = byte, 1 = short, 2 = long) */ 705 16, /* bitsize */ 706 FALSE, /* pc_relative */ 707 0, /* bitpos */ 708 complain_overflow_signed, /* complain_on_overflow */ 709 _bfd_mips_elf_generic_reloc, /* special_function */ 710 "R_MIPS_TLS_GOTTPREL", /* name */ 711 TRUE, /* partial_inplace */ 712 0x0000ffff, /* src_mask */ 713 0x0000ffff, /* dst_mask */ 714 FALSE), /* pcrel_offset */ 715 716 /* TLS IE dynamic relocations. */ 717 HOWTO (R_MIPS_TLS_TPREL32, /* type */ 718 0, /* rightshift */ 719 2, /* size (0 = byte, 1 = short, 2 = long) */ 720 32, /* bitsize */ 721 FALSE, /* pc_relative */ 722 0, /* bitpos */ 723 complain_overflow_dont, /* complain_on_overflow */ 724 _bfd_mips_elf_generic_reloc, /* special_function */ 725 "R_MIPS_TLS_TPREL32", /* name */ 726 TRUE, /* partial_inplace */ 727 0xffffffff, /* src_mask */ 728 0xffffffff, /* dst_mask */ 729 FALSE), /* pcrel_offset */ 730 731 EMPTY_HOWTO (R_MIPS_TLS_TPREL64), 732 733 /* TLS thread pointer offset. */ 734 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 735 0, /* rightshift */ 736 2, /* size (0 = byte, 1 = short, 2 = long) */ 737 16, /* bitsize */ 738 FALSE, /* pc_relative */ 739 0, /* bitpos */ 740 complain_overflow_signed, /* complain_on_overflow */ 741 _bfd_mips_elf_generic_reloc, /* special_function */ 742 "R_MIPS_TLS_TPREL_HI16", /* name */ 743 TRUE, /* partial_inplace */ 744 0x0000ffff, /* src_mask */ 745 0x0000ffff, /* dst_mask */ 746 FALSE), /* pcrel_offset */ 747 748 /* TLS thread pointer offset. */ 749 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 750 0, /* rightshift */ 751 2, /* size (0 = byte, 1 = short, 2 = long) */ 752 16, /* bitsize */ 753 FALSE, /* pc_relative */ 754 0, /* bitpos */ 755 complain_overflow_signed, /* complain_on_overflow */ 756 _bfd_mips_elf_generic_reloc, /* special_function */ 757 "R_MIPS_TLS_TPREL_LO16", /* name */ 758 TRUE, /* partial_inplace */ 759 0x0000ffff, /* src_mask */ 760 0x0000ffff, /* dst_mask */ 761 FALSE), /* pcrel_offset */ 762 763 /* 32 bit relocation with no addend. */ 764 HOWTO (R_MIPS_GLOB_DAT, /* type */ 765 0, /* rightshift */ 766 2, /* size (0 = byte, 1 = short, 2 = long) */ 767 32, /* bitsize */ 768 FALSE, /* pc_relative */ 769 0, /* bitpos */ 770 complain_overflow_dont, /* complain_on_overflow */ 771 _bfd_mips_elf_generic_reloc, /* special_function */ 772 "R_MIPS_GLOB_DAT", /* name */ 773 FALSE, /* partial_inplace */ 774 0x0, /* src_mask */ 775 0xffffffff, /* dst_mask */ 776 FALSE), /* pcrel_offset */ 777 778 EMPTY_HOWTO (52), 779 EMPTY_HOWTO (53), 780 EMPTY_HOWTO (54), 781 EMPTY_HOWTO (55), 782 EMPTY_HOWTO (56), 783 EMPTY_HOWTO (57), 784 EMPTY_HOWTO (58), 785 EMPTY_HOWTO (59), 786 787 HOWTO (R_MIPS_PC21_S2, /* type */ 788 2, /* rightshift */ 789 2, /* size (0 = byte, 1 = short, 2 = long) */ 790 21, /* bitsize */ 791 TRUE, /* pc_relative */ 792 0, /* bitpos */ 793 complain_overflow_signed, /* complain_on_overflow */ 794 _bfd_mips_elf_generic_reloc, /* special_function */ 795 "R_MIPS_PC21_S2", /* name */ 796 TRUE, /* partial_inplace */ 797 0x001fffff, /* src_mask */ 798 0x001fffff, /* dst_mask */ 799 TRUE), /* pcrel_offset */ 800 801 HOWTO (R_MIPS_PC26_S2, /* type */ 802 2, /* rightshift */ 803 2, /* size (0 = byte, 1 = short, 2 = long) */ 804 26, /* bitsize */ 805 TRUE, /* pc_relative */ 806 0, /* bitpos */ 807 complain_overflow_signed, /* complain_on_overflow */ 808 _bfd_mips_elf_generic_reloc, /* special_function */ 809 "R_MIPS_PC26_S2", /* name */ 810 TRUE, /* partial_inplace */ 811 0x03ffffff, /* src_mask */ 812 0x03ffffff, /* dst_mask */ 813 TRUE), /* pcrel_offset */ 814 815 HOWTO (R_MIPS_PC18_S3, /* type */ 816 3, /* rightshift */ 817 2, /* size (0 = byte, 1 = short, 2 = long) */ 818 18, /* bitsize */ 819 TRUE, /* pc_relative */ 820 0, /* bitpos */ 821 complain_overflow_signed, /* complain_on_overflow */ 822 _bfd_mips_elf_generic_reloc, /* special_function */ 823 "R_MIPS_PC18_S3", /* name */ 824 TRUE, /* partial_inplace */ 825 0x0003ffff, /* src_mask */ 826 0x0003ffff, /* dst_mask */ 827 TRUE), /* pcrel_offset */ 828 829 HOWTO (R_MIPS_PC19_S2, /* type */ 830 2, /* rightshift */ 831 2, /* size (0 = byte, 1 = short, 2 = long) */ 832 19, /* bitsize */ 833 TRUE, /* pc_relative */ 834 0, /* bitpos */ 835 complain_overflow_signed, /* complain_on_overflow */ 836 _bfd_mips_elf_generic_reloc, /* special_function */ 837 "R_MIPS_PC19_S2", /* name */ 838 TRUE, /* partial_inplace */ 839 0x0007ffff, /* src_mask */ 840 0x0007ffff, /* dst_mask */ 841 TRUE), /* pcrel_offset */ 842 843 HOWTO (R_MIPS_PCHI16, /* type */ 844 16, /* rightshift */ 845 2, /* size (0 = byte, 1 = short, 2 = long) */ 846 16, /* bitsize */ 847 TRUE, /* pc_relative */ 848 0, /* bitpos */ 849 complain_overflow_signed, /* complain_on_overflow */ 850 _bfd_mips_elf_generic_reloc, /* special_function */ 851 "R_MIPS_PCHI16", /* name */ 852 TRUE, /* partial_inplace */ 853 0x0000ffff, /* src_mask */ 854 0x0000ffff, /* dst_mask */ 855 TRUE), /* pcrel_offset */ 856 857 HOWTO (R_MIPS_PCLO16, /* type */ 858 0, /* rightshift */ 859 2, /* size (0 = byte, 1 = short, 2 = long) */ 860 16, /* bitsize */ 861 TRUE, /* pc_relative */ 862 0, /* bitpos */ 863 complain_overflow_dont, /* complain_on_overflow */ 864 _bfd_mips_elf_generic_reloc, /* special_function */ 865 "R_MIPS_PCLO16", /* name */ 866 TRUE, /* partial_inplace */ 867 0x0000ffff, /* src_mask */ 868 0x0000ffff, /* dst_mask */ 869 TRUE), /* pcrel_offset */ 870 871 }; 872 873 /* The relocation table used for SHT_RELA sections. */ 874 875 static reloc_howto_type elf_mips_howto_table_rela[] = 876 { 877 /* No relocation. */ 878 HOWTO (R_MIPS_NONE, /* type */ 879 0, /* rightshift */ 880 0, /* size (0 = byte, 1 = short, 2 = long) */ 881 0, /* bitsize */ 882 FALSE, /* pc_relative */ 883 0, /* bitpos */ 884 complain_overflow_dont, /* complain_on_overflow */ 885 _bfd_mips_elf_generic_reloc, /* special_function */ 886 "R_MIPS_NONE", /* name */ 887 FALSE, /* partial_inplace */ 888 0, /* src_mask */ 889 0, /* dst_mask */ 890 FALSE), /* pcrel_offset */ 891 892 /* 16 bit relocation. */ 893 HOWTO (R_MIPS_16, /* type */ 894 0, /* rightshift */ 895 2, /* size (0 = byte, 1 = short, 2 = long) */ 896 16, /* bitsize */ 897 FALSE, /* pc_relative */ 898 0, /* bitpos */ 899 complain_overflow_signed, /* complain_on_overflow */ 900 _bfd_mips_elf_generic_reloc, /* special_function */ 901 "R_MIPS_16", /* name */ 902 FALSE, /* partial_inplace */ 903 0, /* src_mask */ 904 0x0000, /* dst_mask */ 905 FALSE), /* pcrel_offset */ 906 907 /* 32 bit relocation. */ 908 HOWTO (R_MIPS_32, /* type */ 909 0, /* rightshift */ 910 2, /* size (0 = byte, 1 = short, 2 = long) */ 911 32, /* bitsize */ 912 FALSE, /* pc_relative */ 913 0, /* bitpos */ 914 complain_overflow_dont, /* complain_on_overflow */ 915 _bfd_mips_elf_generic_reloc, /* special_function */ 916 "R_MIPS_32", /* name */ 917 FALSE, /* partial_inplace */ 918 0, /* src_mask */ 919 0xffffffff, /* dst_mask */ 920 FALSE), /* pcrel_offset */ 921 922 /* 32 bit symbol relative relocation. */ 923 HOWTO (R_MIPS_REL32, /* type */ 924 0, /* rightshift */ 925 2, /* size (0 = byte, 1 = short, 2 = long) */ 926 32, /* bitsize */ 927 FALSE, /* pc_relative */ 928 0, /* bitpos */ 929 complain_overflow_dont, /* complain_on_overflow */ 930 _bfd_mips_elf_generic_reloc, /* special_function */ 931 "R_MIPS_REL32", /* name */ 932 FALSE, /* partial_inplace */ 933 0, /* src_mask */ 934 0xffffffff, /* dst_mask */ 935 FALSE), /* pcrel_offset */ 936 937 /* 26 bit jump address. */ 938 HOWTO (R_MIPS_26, /* type */ 939 2, /* rightshift */ 940 2, /* size (0 = byte, 1 = short, 2 = long) */ 941 26, /* bitsize */ 942 FALSE, /* pc_relative */ 943 0, /* bitpos */ 944 complain_overflow_dont, /* complain_on_overflow */ 945 /* This needs complex overflow 946 detection, because the upper 36 947 bits must match the PC + 4. */ 948 _bfd_mips_elf_generic_reloc, /* special_function */ 949 "R_MIPS_26", /* name */ 950 FALSE, /* partial_inplace */ 951 0, /* src_mask */ 952 0x03ffffff, /* dst_mask */ 953 FALSE), /* pcrel_offset */ 954 955 /* High 16 bits of symbol value. */ 956 HOWTO (R_MIPS_HI16, /* type */ 957 0, /* rightshift */ 958 2, /* size (0 = byte, 1 = short, 2 = long) */ 959 16, /* bitsize */ 960 FALSE, /* pc_relative */ 961 0, /* bitpos */ 962 complain_overflow_dont, /* complain_on_overflow */ 963 _bfd_mips_elf_generic_reloc, /* special_function */ 964 "R_MIPS_HI16", /* name */ 965 FALSE, /* partial_inplace */ 966 0, /* src_mask */ 967 0x0000ffff, /* dst_mask */ 968 FALSE), /* pcrel_offset */ 969 970 /* Low 16 bits of symbol value. */ 971 HOWTO (R_MIPS_LO16, /* type */ 972 0, /* rightshift */ 973 2, /* size (0 = byte, 1 = short, 2 = long) */ 974 16, /* bitsize */ 975 FALSE, /* pc_relative */ 976 0, /* bitpos */ 977 complain_overflow_dont, /* complain_on_overflow */ 978 _bfd_mips_elf_generic_reloc, /* special_function */ 979 "R_MIPS_LO16", /* name */ 980 FALSE, /* partial_inplace */ 981 0, /* src_mask */ 982 0x0000ffff, /* dst_mask */ 983 FALSE), /* pcrel_offset */ 984 985 /* GP relative reference. */ 986 HOWTO (R_MIPS_GPREL16, /* type */ 987 0, /* rightshift */ 988 2, /* size (0 = byte, 1 = short, 2 = long) */ 989 16, /* bitsize */ 990 FALSE, /* pc_relative */ 991 0, /* bitpos */ 992 complain_overflow_signed, /* complain_on_overflow */ 993 mips_elf_gprel16_reloc, /* special_function */ 994 "R_MIPS_GPREL16", /* name */ 995 FALSE, /* partial_inplace */ 996 0, /* src_mask */ 997 0x0000ffff, /* dst_mask */ 998 FALSE), /* pcrel_offset */ 999 1000 /* Reference to literal section. */ 1001 HOWTO (R_MIPS_LITERAL, /* type */ 1002 0, /* rightshift */ 1003 2, /* size (0 = byte, 1 = short, 2 = long) */ 1004 16, /* bitsize */ 1005 FALSE, /* pc_relative */ 1006 0, /* bitpos */ 1007 complain_overflow_signed, /* complain_on_overflow */ 1008 mips_elf_literal_reloc, /* special_function */ 1009 "R_MIPS_LITERAL", /* name */ 1010 FALSE, /* partial_inplace */ 1011 0, /* src_mask */ 1012 0x0000ffff, /* dst_mask */ 1013 FALSE), /* pcrel_offset */ 1014 1015 /* Reference to global offset table. */ 1016 HOWTO (R_MIPS_GOT16, /* type */ 1017 0, /* rightshift */ 1018 2, /* size (0 = byte, 1 = short, 2 = long) */ 1019 16, /* bitsize */ 1020 FALSE, /* pc_relative */ 1021 0, /* bitpos */ 1022 complain_overflow_signed, /* complain_on_overflow */ 1023 _bfd_mips_elf_generic_reloc, /* special_function */ 1024 "R_MIPS_GOT16", /* name */ 1025 FALSE, /* partial_inplace */ 1026 0, /* src_mask */ 1027 0x0000ffff, /* dst_mask */ 1028 FALSE), /* pcrel_offset */ 1029 1030 /* 16 bit PC relative reference. Note that the ABI document has a typo 1031 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 1032 We do the right thing here. */ 1033 HOWTO (R_MIPS_PC16, /* type */ 1034 2, /* rightshift */ 1035 2, /* size (0 = byte, 1 = short, 2 = long) */ 1036 16, /* bitsize */ 1037 TRUE, /* pc_relative */ 1038 0, /* bitpos */ 1039 complain_overflow_signed, /* complain_on_overflow */ 1040 _bfd_mips_elf_generic_reloc, /* special_function */ 1041 "R_MIPS_PC16", /* name */ 1042 FALSE, /* partial_inplace */ 1043 0, /* src_mask */ 1044 0x0000ffff, /* dst_mask */ 1045 TRUE), /* pcrel_offset */ 1046 1047 /* 16 bit call through global offset table. */ 1048 HOWTO (R_MIPS_CALL16, /* type */ 1049 0, /* rightshift */ 1050 2, /* size (0 = byte, 1 = short, 2 = long) */ 1051 16, /* bitsize */ 1052 FALSE, /* pc_relative */ 1053 0, /* bitpos */ 1054 complain_overflow_signed, /* complain_on_overflow */ 1055 _bfd_mips_elf_generic_reloc, /* special_function */ 1056 "R_MIPS_CALL16", /* name */ 1057 FALSE, /* partial_inplace */ 1058 0, /* src_mask */ 1059 0x0000ffff, /* dst_mask */ 1060 FALSE), /* pcrel_offset */ 1061 1062 /* 32 bit GP relative reference. */ 1063 HOWTO (R_MIPS_GPREL32, /* type */ 1064 0, /* rightshift */ 1065 2, /* size (0 = byte, 1 = short, 2 = long) */ 1066 32, /* bitsize */ 1067 FALSE, /* pc_relative */ 1068 0, /* bitpos */ 1069 complain_overflow_dont, /* complain_on_overflow */ 1070 mips_elf_gprel32_reloc, /* special_function */ 1071 "R_MIPS_GPREL32", /* name */ 1072 FALSE, /* partial_inplace */ 1073 0, /* src_mask */ 1074 0xffffffff, /* dst_mask */ 1075 FALSE), /* pcrel_offset */ 1076 1077 EMPTY_HOWTO (13), 1078 EMPTY_HOWTO (14), 1079 EMPTY_HOWTO (15), 1080 1081 /* A 5 bit shift field. */ 1082 HOWTO (R_MIPS_SHIFT5, /* type */ 1083 0, /* rightshift */ 1084 2, /* size (0 = byte, 1 = short, 2 = long) */ 1085 5, /* bitsize */ 1086 FALSE, /* pc_relative */ 1087 6, /* bitpos */ 1088 complain_overflow_bitfield, /* complain_on_overflow */ 1089 _bfd_mips_elf_generic_reloc, /* special_function */ 1090 "R_MIPS_SHIFT5", /* name */ 1091 FALSE, /* partial_inplace */ 1092 0, /* src_mask */ 1093 0x000007c0, /* dst_mask */ 1094 FALSE), /* pcrel_offset */ 1095 1096 /* A 6 bit shift field. */ 1097 HOWTO (R_MIPS_SHIFT6, /* type */ 1098 0, /* rightshift */ 1099 2, /* size (0 = byte, 1 = short, 2 = long) */ 1100 6, /* bitsize */ 1101 FALSE, /* pc_relative */ 1102 6, /* bitpos */ 1103 complain_overflow_bitfield, /* complain_on_overflow */ 1104 mips_elf_shift6_reloc, /* special_function */ 1105 "R_MIPS_SHIFT6", /* name */ 1106 FALSE, /* partial_inplace */ 1107 0, /* src_mask */ 1108 0x000007c4, /* dst_mask */ 1109 FALSE), /* pcrel_offset */ 1110 1111 /* 64 bit relocation. */ 1112 HOWTO (R_MIPS_64, /* type */ 1113 0, /* rightshift */ 1114 4, /* size (0 = byte, 1 = short, 2 = long) */ 1115 64, /* bitsize */ 1116 FALSE, /* pc_relative */ 1117 0, /* bitpos */ 1118 complain_overflow_dont, /* complain_on_overflow */ 1119 _bfd_mips_elf_generic_reloc, /* special_function */ 1120 "R_MIPS_64", /* name */ 1121 FALSE, /* partial_inplace */ 1122 0, /* src_mask */ 1123 MINUS_ONE, /* dst_mask */ 1124 FALSE), /* pcrel_offset */ 1125 1126 /* Displacement in the global offset table. */ 1127 HOWTO (R_MIPS_GOT_DISP, /* type */ 1128 0, /* rightshift */ 1129 2, /* size (0 = byte, 1 = short, 2 = long) */ 1130 16, /* bitsize */ 1131 FALSE, /* pc_relative */ 1132 0, /* bitpos */ 1133 complain_overflow_signed, /* complain_on_overflow */ 1134 _bfd_mips_elf_generic_reloc, /* special_function */ 1135 "R_MIPS_GOT_DISP", /* name */ 1136 FALSE, /* partial_inplace */ 1137 0, /* src_mask */ 1138 0x0000ffff, /* dst_mask */ 1139 FALSE), /* pcrel_offset */ 1140 1141 /* Displacement to page pointer in the global offset table. */ 1142 HOWTO (R_MIPS_GOT_PAGE, /* type */ 1143 0, /* rightshift */ 1144 2, /* size (0 = byte, 1 = short, 2 = long) */ 1145 16, /* bitsize */ 1146 FALSE, /* pc_relative */ 1147 0, /* bitpos */ 1148 complain_overflow_signed, /* complain_on_overflow */ 1149 _bfd_mips_elf_generic_reloc, /* special_function */ 1150 "R_MIPS_GOT_PAGE", /* name */ 1151 FALSE, /* partial_inplace */ 1152 0, /* src_mask */ 1153 0x0000ffff, /* dst_mask */ 1154 FALSE), /* pcrel_offset */ 1155 1156 /* Offset from page pointer in the global offset table. */ 1157 HOWTO (R_MIPS_GOT_OFST, /* type */ 1158 0, /* rightshift */ 1159 2, /* size (0 = byte, 1 = short, 2 = long) */ 1160 16, /* bitsize */ 1161 FALSE, /* pc_relative */ 1162 0, /* bitpos */ 1163 complain_overflow_signed, /* complain_on_overflow */ 1164 _bfd_mips_elf_generic_reloc, /* special_function */ 1165 "R_MIPS_GOT_OFST", /* name */ 1166 FALSE, /* partial_inplace */ 1167 0, /* src_mask */ 1168 0x0000ffff, /* dst_mask */ 1169 FALSE), /* pcrel_offset */ 1170 1171 /* High 16 bits of displacement in global offset table. */ 1172 HOWTO (R_MIPS_GOT_HI16, /* type */ 1173 0, /* rightshift */ 1174 2, /* size (0 = byte, 1 = short, 2 = long) */ 1175 16, /* bitsize */ 1176 FALSE, /* pc_relative */ 1177 0, /* bitpos */ 1178 complain_overflow_dont, /* complain_on_overflow */ 1179 _bfd_mips_elf_generic_reloc, /* special_function */ 1180 "R_MIPS_GOT_HI16", /* name */ 1181 FALSE, /* partial_inplace */ 1182 0, /* src_mask */ 1183 0x0000ffff, /* dst_mask */ 1184 FALSE), /* pcrel_offset */ 1185 1186 /* Low 16 bits of displacement in global offset table. */ 1187 HOWTO (R_MIPS_GOT_LO16, /* type */ 1188 0, /* rightshift */ 1189 2, /* size (0 = byte, 1 = short, 2 = long) */ 1190 16, /* bitsize */ 1191 FALSE, /* pc_relative */ 1192 0, /* bitpos */ 1193 complain_overflow_dont, /* complain_on_overflow */ 1194 _bfd_mips_elf_generic_reloc, /* special_function */ 1195 "R_MIPS_GOT_LO16", /* name */ 1196 FALSE, /* partial_inplace */ 1197 0, /* src_mask */ 1198 0x0000ffff, /* dst_mask */ 1199 FALSE), /* pcrel_offset */ 1200 1201 /* 64 bit subtraction. */ 1202 HOWTO (R_MIPS_SUB, /* type */ 1203 0, /* rightshift */ 1204 4, /* size (0 = byte, 1 = short, 2 = long) */ 1205 64, /* bitsize */ 1206 FALSE, /* pc_relative */ 1207 0, /* bitpos */ 1208 complain_overflow_dont, /* complain_on_overflow */ 1209 _bfd_mips_elf_generic_reloc, /* special_function */ 1210 "R_MIPS_SUB", /* name */ 1211 FALSE, /* partial_inplace */ 1212 0, /* src_mask */ 1213 MINUS_ONE, /* dst_mask */ 1214 FALSE), /* pcrel_offset */ 1215 1216 /* Insert the addend as an instruction. */ 1217 /* FIXME: Not handled correctly. */ 1218 HOWTO (R_MIPS_INSERT_A, /* type */ 1219 0, /* rightshift */ 1220 2, /* size (0 = byte, 1 = short, 2 = long) */ 1221 32, /* bitsize */ 1222 FALSE, /* pc_relative */ 1223 0, /* bitpos */ 1224 complain_overflow_dont, /* complain_on_overflow */ 1225 _bfd_mips_elf_generic_reloc, /* special_function */ 1226 "R_MIPS_INSERT_A", /* name */ 1227 FALSE, /* partial_inplace */ 1228 0, /* src_mask */ 1229 0xffffffff, /* dst_mask */ 1230 FALSE), /* pcrel_offset */ 1231 1232 /* Insert the addend as an instruction, and change all relocations 1233 to refer to the old instruction at the address. */ 1234 /* FIXME: Not handled correctly. */ 1235 HOWTO (R_MIPS_INSERT_B, /* type */ 1236 0, /* rightshift */ 1237 2, /* size (0 = byte, 1 = short, 2 = long) */ 1238 32, /* bitsize */ 1239 FALSE, /* pc_relative */ 1240 0, /* bitpos */ 1241 complain_overflow_dont, /* complain_on_overflow */ 1242 _bfd_mips_elf_generic_reloc, /* special_function */ 1243 "R_MIPS_INSERT_B", /* name */ 1244 FALSE, /* partial_inplace */ 1245 0, /* src_mask */ 1246 0xffffffff, /* dst_mask */ 1247 FALSE), /* pcrel_offset */ 1248 1249 /* Delete a 32 bit instruction. */ 1250 /* FIXME: Not handled correctly. */ 1251 HOWTO (R_MIPS_DELETE, /* type */ 1252 0, /* rightshift */ 1253 2, /* size (0 = byte, 1 = short, 2 = long) */ 1254 32, /* bitsize */ 1255 FALSE, /* pc_relative */ 1256 0, /* bitpos */ 1257 complain_overflow_dont, /* complain_on_overflow */ 1258 _bfd_mips_elf_generic_reloc, /* special_function */ 1259 "R_MIPS_DELETE", /* name */ 1260 FALSE, /* partial_inplace */ 1261 0, /* src_mask */ 1262 0xffffffff, /* dst_mask */ 1263 FALSE), /* pcrel_offset */ 1264 1265 /* Get the higher value of a 64 bit addend. */ 1266 HOWTO (R_MIPS_HIGHER, /* type */ 1267 0, /* rightshift */ 1268 2, /* size (0 = byte, 1 = short, 2 = long) */ 1269 16, /* bitsize */ 1270 FALSE, /* pc_relative */ 1271 0, /* bitpos */ 1272 complain_overflow_dont, /* complain_on_overflow */ 1273 _bfd_mips_elf_generic_reloc, /* special_function */ 1274 "R_MIPS_HIGHER", /* name */ 1275 FALSE, /* partial_inplace */ 1276 0, /* src_mask */ 1277 0x0000ffff, /* dst_mask */ 1278 FALSE), /* pcrel_offset */ 1279 1280 /* Get the highest value of a 64 bit addend. */ 1281 HOWTO (R_MIPS_HIGHEST, /* type */ 1282 0, /* rightshift */ 1283 2, /* size (0 = byte, 1 = short, 2 = long) */ 1284 16, /* bitsize */ 1285 FALSE, /* pc_relative */ 1286 0, /* bitpos */ 1287 complain_overflow_dont, /* complain_on_overflow */ 1288 _bfd_mips_elf_generic_reloc, /* special_function */ 1289 "R_MIPS_HIGHEST", /* name */ 1290 FALSE, /* partial_inplace */ 1291 0, /* src_mask */ 1292 0x0000ffff, /* dst_mask */ 1293 FALSE), /* pcrel_offset */ 1294 1295 /* High 16 bits of displacement in global offset table. */ 1296 HOWTO (R_MIPS_CALL_HI16, /* type */ 1297 0, /* rightshift */ 1298 2, /* size (0 = byte, 1 = short, 2 = long) */ 1299 16, /* bitsize */ 1300 FALSE, /* pc_relative */ 1301 0, /* bitpos */ 1302 complain_overflow_dont, /* complain_on_overflow */ 1303 _bfd_mips_elf_generic_reloc, /* special_function */ 1304 "R_MIPS_CALL_HI16", /* name */ 1305 FALSE, /* partial_inplace */ 1306 0, /* src_mask */ 1307 0x0000ffff, /* dst_mask */ 1308 FALSE), /* pcrel_offset */ 1309 1310 /* Low 16 bits of displacement in global offset table. */ 1311 HOWTO (R_MIPS_CALL_LO16, /* type */ 1312 0, /* rightshift */ 1313 2, /* size (0 = byte, 1 = short, 2 = long) */ 1314 16, /* bitsize */ 1315 FALSE, /* pc_relative */ 1316 0, /* bitpos */ 1317 complain_overflow_dont, /* complain_on_overflow */ 1318 _bfd_mips_elf_generic_reloc, /* special_function */ 1319 "R_MIPS_CALL_LO16", /* name */ 1320 FALSE, /* partial_inplace */ 1321 0, /* src_mask */ 1322 0x0000ffff, /* dst_mask */ 1323 FALSE), /* pcrel_offset */ 1324 1325 /* Section displacement, used by an associated event location section. */ 1326 HOWTO (R_MIPS_SCN_DISP, /* type */ 1327 0, /* rightshift */ 1328 2, /* size (0 = byte, 1 = short, 2 = long) */ 1329 32, /* bitsize */ 1330 FALSE, /* pc_relative */ 1331 0, /* bitpos */ 1332 complain_overflow_dont, /* complain_on_overflow */ 1333 _bfd_mips_elf_generic_reloc, /* special_function */ 1334 "R_MIPS_SCN_DISP", /* name */ 1335 FALSE, /* partial_inplace */ 1336 0, /* src_mask */ 1337 0xffffffff, /* dst_mask */ 1338 FALSE), /* pcrel_offset */ 1339 1340 /* 16 bit relocation. */ 1341 HOWTO (R_MIPS_REL16, /* type */ 1342 0, /* rightshift */ 1343 1, /* size (0 = byte, 1 = short, 2 = long) */ 1344 16, /* bitsize */ 1345 FALSE, /* pc_relative */ 1346 0, /* bitpos */ 1347 complain_overflow_signed, /* complain_on_overflow */ 1348 _bfd_mips_elf_generic_reloc, /* special_function */ 1349 "R_MIPS_REL16", /* name */ 1350 FALSE, /* partial_inplace */ 1351 0, /* src_mask */ 1352 0xffff, /* dst_mask */ 1353 FALSE), /* pcrel_offset */ 1354 1355 /* These two are obsolete. */ 1356 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 1357 EMPTY_HOWTO (R_MIPS_PJUMP), 1358 1359 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 1360 It must be used for multigot GOT's (and only there). */ 1361 HOWTO (R_MIPS_RELGOT, /* type */ 1362 0, /* rightshift */ 1363 2, /* size (0 = byte, 1 = short, 2 = long) */ 1364 32, /* bitsize */ 1365 FALSE, /* pc_relative */ 1366 0, /* bitpos */ 1367 complain_overflow_dont, /* complain_on_overflow */ 1368 _bfd_mips_elf_generic_reloc, /* special_function */ 1369 "R_MIPS_RELGOT", /* name */ 1370 FALSE, /* partial_inplace */ 1371 0, /* src_mask */ 1372 0xffffffff, /* dst_mask */ 1373 FALSE), /* pcrel_offset */ 1374 1375 /* Protected jump conversion. This is an optimization hint. No 1376 relocation is required for correctness. */ 1377 HOWTO (R_MIPS_JALR, /* type */ 1378 0, /* rightshift */ 1379 2, /* size (0 = byte, 1 = short, 2 = long) */ 1380 32, /* bitsize */ 1381 FALSE, /* pc_relative */ 1382 0, /* bitpos */ 1383 complain_overflow_dont, /* complain_on_overflow */ 1384 _bfd_mips_elf_generic_reloc, /* special_function */ 1385 "R_MIPS_JALR", /* name */ 1386 FALSE, /* partial_inplace */ 1387 0, /* src_mask */ 1388 0, /* dst_mask */ 1389 FALSE), /* pcrel_offset */ 1390 1391 /* TLS GD/LD dynamic relocations. */ 1392 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ 1393 0, /* rightshift */ 1394 2, /* size (0 = byte, 1 = short, 2 = long) */ 1395 32, /* bitsize */ 1396 FALSE, /* pc_relative */ 1397 0, /* bitpos */ 1398 complain_overflow_dont, /* complain_on_overflow */ 1399 _bfd_mips_elf_generic_reloc, /* special_function */ 1400 "R_MIPS_TLS_DTPMOD32", /* name */ 1401 FALSE, /* partial_inplace */ 1402 0, /* src_mask */ 1403 0xffffffff, /* dst_mask */ 1404 FALSE), /* pcrel_offset */ 1405 1406 HOWTO (R_MIPS_TLS_DTPREL32, /* type */ 1407 0, /* rightshift */ 1408 2, /* size (0 = byte, 1 = short, 2 = long) */ 1409 32, /* bitsize */ 1410 FALSE, /* pc_relative */ 1411 0, /* bitpos */ 1412 complain_overflow_dont, /* complain_on_overflow */ 1413 _bfd_mips_elf_generic_reloc, /* special_function */ 1414 "R_MIPS_TLS_DTPREL32", /* name */ 1415 FALSE, /* partial_inplace */ 1416 0, /* src_mask */ 1417 0xffffffff, /* dst_mask */ 1418 FALSE), /* pcrel_offset */ 1419 1420 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), 1421 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), 1422 1423 /* TLS general dynamic variable reference. */ 1424 HOWTO (R_MIPS_TLS_GD, /* type */ 1425 0, /* rightshift */ 1426 2, /* size (0 = byte, 1 = short, 2 = long) */ 1427 16, /* bitsize */ 1428 FALSE, /* pc_relative */ 1429 0, /* bitpos */ 1430 complain_overflow_signed, /* complain_on_overflow */ 1431 _bfd_mips_elf_generic_reloc, /* special_function */ 1432 "R_MIPS_TLS_GD", /* name */ 1433 FALSE, /* partial_inplace */ 1434 0, /* src_mask */ 1435 0x0000ffff, /* dst_mask */ 1436 FALSE), /* pcrel_offset */ 1437 1438 /* TLS local dynamic variable reference. */ 1439 HOWTO (R_MIPS_TLS_LDM, /* type */ 1440 0, /* rightshift */ 1441 2, /* size (0 = byte, 1 = short, 2 = long) */ 1442 16, /* bitsize */ 1443 FALSE, /* pc_relative */ 1444 0, /* bitpos */ 1445 complain_overflow_signed, /* complain_on_overflow */ 1446 _bfd_mips_elf_generic_reloc, /* special_function */ 1447 "R_MIPS_TLS_LDM", /* name */ 1448 FALSE, /* partial_inplace */ 1449 0, /* src_mask */ 1450 0x0000ffff, /* dst_mask */ 1451 FALSE), /* pcrel_offset */ 1452 1453 /* TLS local dynamic offset. */ 1454 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 1455 0, /* rightshift */ 1456 2, /* size (0 = byte, 1 = short, 2 = long) */ 1457 16, /* bitsize */ 1458 FALSE, /* pc_relative */ 1459 0, /* bitpos */ 1460 complain_overflow_signed, /* complain_on_overflow */ 1461 _bfd_mips_elf_generic_reloc, /* special_function */ 1462 "R_MIPS_TLS_DTPREL_HI16", /* name */ 1463 FALSE, /* partial_inplace */ 1464 0, /* src_mask */ 1465 0x0000ffff, /* dst_mask */ 1466 FALSE), /* pcrel_offset */ 1467 1468 /* TLS local dynamic offset. */ 1469 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 1470 0, /* rightshift */ 1471 2, /* size (0 = byte, 1 = short, 2 = long) */ 1472 16, /* bitsize */ 1473 FALSE, /* pc_relative */ 1474 0, /* bitpos */ 1475 complain_overflow_signed, /* complain_on_overflow */ 1476 _bfd_mips_elf_generic_reloc, /* special_function */ 1477 "R_MIPS_TLS_DTPREL_LO16", /* name */ 1478 FALSE, /* partial_inplace */ 1479 0, /* src_mask */ 1480 0x0000ffff, /* dst_mask */ 1481 FALSE), /* pcrel_offset */ 1482 1483 /* TLS thread pointer offset. */ 1484 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 1485 0, /* rightshift */ 1486 2, /* size (0 = byte, 1 = short, 2 = long) */ 1487 16, /* bitsize */ 1488 FALSE, /* pc_relative */ 1489 0, /* bitpos */ 1490 complain_overflow_signed, /* complain_on_overflow */ 1491 _bfd_mips_elf_generic_reloc, /* special_function */ 1492 "R_MIPS_TLS_GOTTPREL", /* name */ 1493 FALSE, /* partial_inplace */ 1494 0, /* src_mask */ 1495 0x0000ffff, /* dst_mask */ 1496 FALSE), /* pcrel_offset */ 1497 1498 /* TLS IE dynamic relocations. */ 1499 HOWTO (R_MIPS_TLS_TPREL32, /* type */ 1500 0, /* rightshift */ 1501 2, /* size (0 = byte, 1 = short, 2 = long) */ 1502 32, /* bitsize */ 1503 FALSE, /* pc_relative */ 1504 0, /* bitpos */ 1505 complain_overflow_dont, /* complain_on_overflow */ 1506 _bfd_mips_elf_generic_reloc, /* special_function */ 1507 "R_MIPS_TLS_TPREL32", /* name */ 1508 FALSE, /* partial_inplace */ 1509 0, /* src_mask */ 1510 0xffffffff, /* dst_mask */ 1511 FALSE), /* pcrel_offset */ 1512 1513 EMPTY_HOWTO (R_MIPS_TLS_TPREL64), 1514 1515 /* TLS thread pointer offset. */ 1516 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 1517 0, /* rightshift */ 1518 2, /* size (0 = byte, 1 = short, 2 = long) */ 1519 16, /* bitsize */ 1520 FALSE, /* pc_relative */ 1521 0, /* bitpos */ 1522 complain_overflow_signed, /* complain_on_overflow */ 1523 _bfd_mips_elf_generic_reloc, /* special_function */ 1524 "R_MIPS_TLS_TPREL_HI16", /* name */ 1525 FALSE, /* partial_inplace */ 1526 0, /* src_mask */ 1527 0x0000ffff, /* dst_mask */ 1528 FALSE), /* pcrel_offset */ 1529 1530 /* TLS thread pointer offset. */ 1531 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 1532 0, /* rightshift */ 1533 2, /* size (0 = byte, 1 = short, 2 = long) */ 1534 16, /* bitsize */ 1535 FALSE, /* pc_relative */ 1536 0, /* bitpos */ 1537 complain_overflow_signed, /* complain_on_overflow */ 1538 _bfd_mips_elf_generic_reloc, /* special_function */ 1539 "R_MIPS_TLS_TPREL_LO16", /* name */ 1540 FALSE, /* partial_inplace */ 1541 0, /* src_mask */ 1542 0x0000ffff, /* dst_mask */ 1543 FALSE), /* pcrel_offset */ 1544 1545 /* 32 bit relocation with no addend. */ 1546 HOWTO (R_MIPS_GLOB_DAT, /* type */ 1547 0, /* rightshift */ 1548 2, /* size (0 = byte, 1 = short, 2 = long) */ 1549 32, /* bitsize */ 1550 FALSE, /* pc_relative */ 1551 0, /* bitpos */ 1552 complain_overflow_dont, /* complain_on_overflow */ 1553 _bfd_mips_elf_generic_reloc, /* special_function */ 1554 "R_MIPS_GLOB_DAT", /* name */ 1555 FALSE, /* partial_inplace */ 1556 0x0, /* src_mask */ 1557 0xffffffff, /* dst_mask */ 1558 FALSE), /* pcrel_offset */ 1559 1560 EMPTY_HOWTO (52), 1561 EMPTY_HOWTO (53), 1562 EMPTY_HOWTO (54), 1563 EMPTY_HOWTO (55), 1564 EMPTY_HOWTO (56), 1565 EMPTY_HOWTO (57), 1566 EMPTY_HOWTO (58), 1567 EMPTY_HOWTO (59), 1568 1569 HOWTO (R_MIPS_PC21_S2, /* type */ 1570 2, /* rightshift */ 1571 2, /* size (0 = byte, 1 = short, 2 = long) */ 1572 21, /* bitsize */ 1573 TRUE, /* pc_relative */ 1574 0, /* bitpos */ 1575 complain_overflow_signed, /* complain_on_overflow */ 1576 _bfd_mips_elf_generic_reloc, /* special_function */ 1577 "R_MIPS_PC21_S2", /* name */ 1578 FALSE, /* partial_inplace */ 1579 0, /* src_mask */ 1580 0x001fffff, /* dst_mask */ 1581 TRUE), /* pcrel_offset */ 1582 1583 HOWTO (R_MIPS_PC26_S2, /* type */ 1584 2, /* rightshift */ 1585 2, /* size (0 = byte, 1 = short, 2 = long) */ 1586 26, /* bitsize */ 1587 TRUE, /* pc_relative */ 1588 0, /* bitpos */ 1589 complain_overflow_signed, /* complain_on_overflow */ 1590 _bfd_mips_elf_generic_reloc, /* special_function */ 1591 "R_MIPS_PC26_S2", /* name */ 1592 FALSE, /* partial_inplace */ 1593 0, /* src_mask */ 1594 0x03ffffff, /* dst_mask */ 1595 TRUE), /* pcrel_offset */ 1596 1597 HOWTO (R_MIPS_PC18_S3, /* type */ 1598 3, /* rightshift */ 1599 2, /* size (0 = byte, 1 = short, 2 = long) */ 1600 18, /* bitsize */ 1601 TRUE, /* pc_relative */ 1602 0, /* bitpos */ 1603 complain_overflow_signed, /* complain_on_overflow */ 1604 _bfd_mips_elf_generic_reloc, /* special_function */ 1605 "R_MIPS_PC18_S3", /* name */ 1606 FALSE, /* partial_inplace */ 1607 0, /* src_mask */ 1608 0x0003ffff, /* dst_mask */ 1609 TRUE), /* pcrel_offset */ 1610 1611 HOWTO (R_MIPS_PC19_S2, /* type */ 1612 2, /* rightshift */ 1613 2, /* size (0 = byte, 1 = short, 2 = long) */ 1614 19, /* bitsize */ 1615 TRUE, /* pc_relative */ 1616 0, /* bitpos */ 1617 complain_overflow_signed, /* complain_on_overflow */ 1618 _bfd_mips_elf_generic_reloc, /* special_function */ 1619 "R_MIPS_PC19_S2", /* name */ 1620 FALSE, /* partial_inplace */ 1621 0, /* src_mask */ 1622 0x0007ffff, /* dst_mask */ 1623 TRUE), /* pcrel_offset */ 1624 1625 HOWTO (R_MIPS_PCHI16, /* type */ 1626 16, /* rightshift */ 1627 2, /* size (0 = byte, 1 = short, 2 = long) */ 1628 16, /* bitsize */ 1629 TRUE, /* pc_relative */ 1630 0, /* bitpos */ 1631 complain_overflow_signed, /* complain_on_overflow */ 1632 _bfd_mips_elf_generic_reloc, /* special_function */ 1633 "R_MIPS_PCHI16", /* name */ 1634 FALSE, /* partial_inplace */ 1635 0, /* src_mask */ 1636 0x0000ffff, /* dst_mask */ 1637 TRUE), /* pcrel_offset */ 1638 1639 HOWTO (R_MIPS_PCLO16, /* type */ 1640 0, /* rightshift */ 1641 2, /* size (0 = byte, 1 = short, 2 = long) */ 1642 16, /* bitsize */ 1643 TRUE, /* pc_relative */ 1644 0, /* bitpos */ 1645 complain_overflow_dont, /* complain_on_overflow */ 1646 _bfd_mips_elf_generic_reloc, /* special_function */ 1647 "R_MIPS_PCLO16", /* name */ 1648 FALSE, /* partial_inplace */ 1649 0, /* src_mask */ 1650 0x0000ffff, /* dst_mask */ 1651 TRUE), /* pcrel_offset */ 1652 1653 }; 1654 1655 static reloc_howto_type elf_mips16_howto_table_rel[] = 1656 { 1657 /* The reloc used for the mips16 jump instruction. */ 1658 HOWTO (R_MIPS16_26, /* type */ 1659 2, /* rightshift */ 1660 2, /* size (0 = byte, 1 = short, 2 = long) */ 1661 26, /* bitsize */ 1662 FALSE, /* pc_relative */ 1663 0, /* bitpos */ 1664 complain_overflow_dont, /* complain_on_overflow */ 1665 /* This needs complex overflow 1666 detection, because the upper four 1667 bits must match the PC. */ 1668 _bfd_mips_elf_generic_reloc, /* special_function */ 1669 "R_MIPS16_26", /* name */ 1670 TRUE, /* partial_inplace */ 1671 0x3ffffff, /* src_mask */ 1672 0x3ffffff, /* dst_mask */ 1673 FALSE), /* pcrel_offset */ 1674 1675 /* The reloc used for the mips16 gprel instruction. */ 1676 HOWTO (R_MIPS16_GPREL, /* type */ 1677 0, /* rightshift */ 1678 2, /* size (0 = byte, 1 = short, 2 = long) */ 1679 16, /* bitsize */ 1680 FALSE, /* pc_relative */ 1681 0, /* bitpos */ 1682 complain_overflow_signed, /* complain_on_overflow */ 1683 mips16_gprel_reloc, /* special_function */ 1684 "R_MIPS16_GPREL", /* name */ 1685 TRUE, /* partial_inplace */ 1686 0x0000ffff, /* src_mask */ 1687 0x0000ffff, /* dst_mask */ 1688 FALSE), /* pcrel_offset */ 1689 1690 /* A MIPS16 reference to the global offset table. */ 1691 HOWTO (R_MIPS16_GOT16, /* type */ 1692 0, /* rightshift */ 1693 2, /* size (0 = byte, 1 = short, 2 = long) */ 1694 16, /* bitsize */ 1695 FALSE, /* pc_relative */ 1696 0, /* bitpos */ 1697 complain_overflow_dont, /* complain_on_overflow */ 1698 _bfd_mips_elf_got16_reloc, /* special_function */ 1699 "R_MIPS16_GOT16", /* name */ 1700 TRUE, /* partial_inplace */ 1701 0x0000ffff, /* src_mask */ 1702 0x0000ffff, /* dst_mask */ 1703 FALSE), /* pcrel_offset */ 1704 1705 /* A MIPS16 call through the global offset table. */ 1706 HOWTO (R_MIPS16_CALL16, /* type */ 1707 0, /* rightshift */ 1708 2, /* size (0 = byte, 1 = short, 2 = long) */ 1709 16, /* bitsize */ 1710 FALSE, /* pc_relative */ 1711 0, /* bitpos */ 1712 complain_overflow_dont, /* complain_on_overflow */ 1713 _bfd_mips_elf_generic_reloc, /* special_function */ 1714 "R_MIPS16_CALL16", /* name */ 1715 TRUE, /* partial_inplace */ 1716 0x0000ffff, /* src_mask */ 1717 0x0000ffff, /* dst_mask */ 1718 FALSE), /* pcrel_offset */ 1719 1720 /* MIPS16 high 16 bits of symbol value. */ 1721 HOWTO (R_MIPS16_HI16, /* type */ 1722 16, /* rightshift */ 1723 2, /* size (0 = byte, 1 = short, 2 = long) */ 1724 16, /* bitsize */ 1725 FALSE, /* pc_relative */ 1726 0, /* bitpos */ 1727 complain_overflow_dont, /* complain_on_overflow */ 1728 _bfd_mips_elf_hi16_reloc, /* special_function */ 1729 "R_MIPS16_HI16", /* name */ 1730 TRUE, /* partial_inplace */ 1731 0x0000ffff, /* src_mask */ 1732 0x0000ffff, /* dst_mask */ 1733 FALSE), /* pcrel_offset */ 1734 1735 /* MIPS16 low 16 bits of symbol value. */ 1736 HOWTO (R_MIPS16_LO16, /* type */ 1737 0, /* rightshift */ 1738 2, /* size (0 = byte, 1 = short, 2 = long) */ 1739 16, /* bitsize */ 1740 FALSE, /* pc_relative */ 1741 0, /* bitpos */ 1742 complain_overflow_dont, /* complain_on_overflow */ 1743 _bfd_mips_elf_lo16_reloc, /* special_function */ 1744 "R_MIPS16_LO16", /* name */ 1745 TRUE, /* partial_inplace */ 1746 0x0000ffff, /* src_mask */ 1747 0x0000ffff, /* dst_mask */ 1748 FALSE), /* pcrel_offset */ 1749 1750 /* MIPS16 TLS general dynamic variable reference. */ 1751 HOWTO (R_MIPS16_TLS_GD, /* type */ 1752 0, /* rightshift */ 1753 2, /* size (0 = byte, 1 = short, 2 = long) */ 1754 16, /* bitsize */ 1755 FALSE, /* pc_relative */ 1756 0, /* bitpos */ 1757 complain_overflow_signed, /* complain_on_overflow */ 1758 _bfd_mips_elf_generic_reloc, /* special_function */ 1759 "R_MIPS16_TLS_GD", /* name */ 1760 TRUE, /* partial_inplace */ 1761 0x0000ffff, /* src_mask */ 1762 0x0000ffff, /* dst_mask */ 1763 FALSE), /* pcrel_offset */ 1764 1765 /* MIPS16 TLS local dynamic variable reference. */ 1766 HOWTO (R_MIPS16_TLS_LDM, /* type */ 1767 0, /* rightshift */ 1768 2, /* size (0 = byte, 1 = short, 2 = long) */ 1769 16, /* bitsize */ 1770 FALSE, /* pc_relative */ 1771 0, /* bitpos */ 1772 complain_overflow_signed, /* complain_on_overflow */ 1773 _bfd_mips_elf_generic_reloc, /* special_function */ 1774 "R_MIPS16_TLS_LDM", /* name */ 1775 TRUE, /* partial_inplace */ 1776 0x0000ffff, /* src_mask */ 1777 0x0000ffff, /* dst_mask */ 1778 FALSE), /* pcrel_offset */ 1779 1780 /* MIPS16 TLS local dynamic offset. */ 1781 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 1782 0, /* rightshift */ 1783 2, /* size (0 = byte, 1 = short, 2 = long) */ 1784 16, /* bitsize */ 1785 FALSE, /* pc_relative */ 1786 0, /* bitpos */ 1787 complain_overflow_signed, /* complain_on_overflow */ 1788 _bfd_mips_elf_generic_reloc, /* special_function */ 1789 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 1790 TRUE, /* partial_inplace */ 1791 0x0000ffff, /* src_mask */ 1792 0x0000ffff, /* dst_mask */ 1793 FALSE), /* pcrel_offset */ 1794 1795 /* MIPS16 TLS local dynamic offset. */ 1796 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 1797 0, /* rightshift */ 1798 2, /* size (0 = byte, 1 = short, 2 = long) */ 1799 16, /* bitsize */ 1800 FALSE, /* pc_relative */ 1801 0, /* bitpos */ 1802 complain_overflow_signed, /* complain_on_overflow */ 1803 _bfd_mips_elf_generic_reloc, /* special_function */ 1804 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 1805 TRUE, /* partial_inplace */ 1806 0x0000ffff, /* src_mask */ 1807 0x0000ffff, /* dst_mask */ 1808 FALSE), /* pcrel_offset */ 1809 1810 /* MIPS16 TLS thread pointer offset. */ 1811 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 1812 0, /* rightshift */ 1813 2, /* size (0 = byte, 1 = short, 2 = long) */ 1814 16, /* bitsize */ 1815 FALSE, /* pc_relative */ 1816 0, /* bitpos */ 1817 complain_overflow_signed, /* complain_on_overflow */ 1818 _bfd_mips_elf_generic_reloc, /* special_function */ 1819 "R_MIPS16_TLS_GOTTPREL", /* name */ 1820 TRUE, /* partial_inplace */ 1821 0x0000ffff, /* src_mask */ 1822 0x0000ffff, /* dst_mask */ 1823 FALSE), /* pcrel_offset */ 1824 1825 /* MIPS16 TLS thread pointer offset. */ 1826 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1827 0, /* rightshift */ 1828 2, /* size (0 = byte, 1 = short, 2 = long) */ 1829 16, /* bitsize */ 1830 FALSE, /* pc_relative */ 1831 0, /* bitpos */ 1832 complain_overflow_signed, /* complain_on_overflow */ 1833 _bfd_mips_elf_generic_reloc, /* special_function */ 1834 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1835 TRUE, /* partial_inplace */ 1836 0x0000ffff, /* src_mask */ 1837 0x0000ffff, /* dst_mask */ 1838 FALSE), /* pcrel_offset */ 1839 1840 /* MIPS16 TLS thread pointer offset. */ 1841 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1842 0, /* rightshift */ 1843 2, /* size (0 = byte, 1 = short, 2 = long) */ 1844 16, /* bitsize */ 1845 FALSE, /* pc_relative */ 1846 0, /* bitpos */ 1847 complain_overflow_signed, /* complain_on_overflow */ 1848 _bfd_mips_elf_generic_reloc, /* special_function */ 1849 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1850 TRUE, /* partial_inplace */ 1851 0x0000ffff, /* src_mask */ 1852 0x0000ffff, /* dst_mask */ 1853 FALSE), /* pcrel_offset */ 1854 1855 /* MIPS16 16-bit PC-relative branch offset. */ 1856 HOWTO (R_MIPS16_PC16_S1, /* type */ 1857 1, /* rightshift */ 1858 2, /* size (0 = byte, 1 = short, 2 = long) */ 1859 16, /* bitsize */ 1860 TRUE, /* pc_relative */ 1861 0, /* bitpos */ 1862 complain_overflow_signed, /* complain_on_overflow */ 1863 _bfd_mips_elf_generic_reloc, /* special_function */ 1864 "R_MIPS16_PC16_S1", /* name */ 1865 TRUE, /* partial_inplace */ 1866 0x0000ffff, /* src_mask */ 1867 0x0000ffff, /* dst_mask */ 1868 TRUE), /* pcrel_offset */ 1869 }; 1870 1871 static reloc_howto_type elf_mips16_howto_table_rela[] = 1872 { 1873 /* The reloc used for the mips16 jump instruction. */ 1874 HOWTO (R_MIPS16_26, /* type */ 1875 2, /* rightshift */ 1876 2, /* size (0 = byte, 1 = short, 2 = long) */ 1877 26, /* bitsize */ 1878 FALSE, /* pc_relative */ 1879 0, /* bitpos */ 1880 complain_overflow_dont, /* complain_on_overflow */ 1881 /* This needs complex overflow 1882 detection, because the upper four 1883 bits must match the PC. */ 1884 _bfd_mips_elf_generic_reloc, /* special_function */ 1885 "R_MIPS16_26", /* name */ 1886 FALSE, /* partial_inplace */ 1887 0, /* src_mask */ 1888 0x3ffffff, /* dst_mask */ 1889 FALSE), /* pcrel_offset */ 1890 1891 /* The reloc used for the mips16 gprel instruction. */ 1892 HOWTO (R_MIPS16_GPREL, /* type */ 1893 0, /* rightshift */ 1894 2, /* size (0 = byte, 1 = short, 2 = long) */ 1895 16, /* bitsize */ 1896 FALSE, /* pc_relative */ 1897 0, /* bitpos */ 1898 complain_overflow_signed, /* complain_on_overflow */ 1899 mips16_gprel_reloc, /* special_function */ 1900 "R_MIPS16_GPREL", /* name */ 1901 FALSE, /* partial_inplace */ 1902 0, /* src_mask */ 1903 0x0000ffff, /* dst_mask */ 1904 FALSE), /* pcrel_offset */ 1905 1906 /* A MIPS16 reference to the global offset table. */ 1907 HOWTO (R_MIPS16_GOT16, /* type */ 1908 0, /* rightshift */ 1909 2, /* size (0 = byte, 1 = short, 2 = long) */ 1910 16, /* bitsize */ 1911 FALSE, /* pc_relative */ 1912 0, /* bitpos */ 1913 complain_overflow_dont, /* complain_on_overflow */ 1914 _bfd_mips_elf_got16_reloc, /* special_function */ 1915 "R_MIPS16_GOT16", /* name */ 1916 FALSE, /* partial_inplace */ 1917 0, /* src_mask */ 1918 0x0000ffff, /* dst_mask */ 1919 FALSE), /* pcrel_offset */ 1920 1921 /* A MIPS16 call through the global offset table. */ 1922 HOWTO (R_MIPS16_CALL16, /* type */ 1923 0, /* rightshift */ 1924 2, /* size (0 = byte, 1 = short, 2 = long) */ 1925 16, /* bitsize */ 1926 FALSE, /* pc_relative */ 1927 0, /* bitpos */ 1928 complain_overflow_dont, /* complain_on_overflow */ 1929 _bfd_mips_elf_generic_reloc, /* special_function */ 1930 "R_MIPS16_CALL16", /* name */ 1931 FALSE, /* partial_inplace */ 1932 0, /* src_mask */ 1933 0x0000ffff, /* dst_mask */ 1934 FALSE), /* pcrel_offset */ 1935 1936 /* MIPS16 high 16 bits of symbol value. */ 1937 HOWTO (R_MIPS16_HI16, /* type */ 1938 16, /* rightshift */ 1939 2, /* size (0 = byte, 1 = short, 2 = long) */ 1940 16, /* bitsize */ 1941 FALSE, /* pc_relative */ 1942 0, /* bitpos */ 1943 complain_overflow_dont, /* complain_on_overflow */ 1944 _bfd_mips_elf_hi16_reloc, /* special_function */ 1945 "R_MIPS16_HI16", /* name */ 1946 FALSE, /* partial_inplace */ 1947 0, /* src_mask */ 1948 0x0000ffff, /* dst_mask */ 1949 FALSE), /* pcrel_offset */ 1950 1951 /* MIPS16 low 16 bits of symbol value. */ 1952 HOWTO (R_MIPS16_LO16, /* type */ 1953 0, /* rightshift */ 1954 2, /* size (0 = byte, 1 = short, 2 = long) */ 1955 16, /* bitsize */ 1956 FALSE, /* pc_relative */ 1957 0, /* bitpos */ 1958 complain_overflow_dont, /* complain_on_overflow */ 1959 _bfd_mips_elf_lo16_reloc, /* special_function */ 1960 "R_MIPS16_LO16", /* name */ 1961 FALSE, /* partial_inplace */ 1962 0, /* src_mask */ 1963 0x0000ffff, /* dst_mask */ 1964 FALSE), /* pcrel_offset */ 1965 1966 /* MIPS16 TLS general dynamic variable reference. */ 1967 HOWTO (R_MIPS16_TLS_GD, /* type */ 1968 0, /* rightshift */ 1969 2, /* size (0 = byte, 1 = short, 2 = long) */ 1970 16, /* bitsize */ 1971 FALSE, /* pc_relative */ 1972 0, /* bitpos */ 1973 complain_overflow_signed, /* complain_on_overflow */ 1974 _bfd_mips_elf_generic_reloc, /* special_function */ 1975 "R_MIPS16_TLS_GD", /* name */ 1976 FALSE, /* partial_inplace */ 1977 0, /* src_mask */ 1978 0x0000ffff, /* dst_mask */ 1979 FALSE), /* pcrel_offset */ 1980 1981 /* MIPS16 TLS local dynamic variable reference. */ 1982 HOWTO (R_MIPS16_TLS_LDM, /* type */ 1983 0, /* rightshift */ 1984 2, /* size (0 = byte, 1 = short, 2 = long) */ 1985 16, /* bitsize */ 1986 FALSE, /* pc_relative */ 1987 0, /* bitpos */ 1988 complain_overflow_signed, /* complain_on_overflow */ 1989 _bfd_mips_elf_generic_reloc, /* special_function */ 1990 "R_MIPS16_TLS_LDM", /* name */ 1991 FALSE, /* partial_inplace */ 1992 0, /* src_mask */ 1993 0x0000ffff, /* dst_mask */ 1994 FALSE), /* pcrel_offset */ 1995 1996 /* MIPS16 TLS local dynamic offset. */ 1997 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 1998 0, /* rightshift */ 1999 2, /* size (0 = byte, 1 = short, 2 = long) */ 2000 16, /* bitsize */ 2001 FALSE, /* pc_relative */ 2002 0, /* bitpos */ 2003 complain_overflow_signed, /* complain_on_overflow */ 2004 _bfd_mips_elf_generic_reloc, /* special_function */ 2005 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 2006 FALSE, /* partial_inplace */ 2007 0, /* src_mask */ 2008 0x0000ffff, /* dst_mask */ 2009 FALSE), /* pcrel_offset */ 2010 2011 /* MIPS16 TLS local dynamic offset. */ 2012 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 2013 0, /* rightshift */ 2014 2, /* size (0 = byte, 1 = short, 2 = long) */ 2015 16, /* bitsize */ 2016 FALSE, /* pc_relative */ 2017 0, /* bitpos */ 2018 complain_overflow_signed, /* complain_on_overflow */ 2019 _bfd_mips_elf_generic_reloc, /* special_function */ 2020 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 2021 FALSE, /* partial_inplace */ 2022 0, /* src_mask */ 2023 0x0000ffff, /* dst_mask */ 2024 FALSE), /* pcrel_offset */ 2025 2026 /* MIPS16 TLS thread pointer offset. */ 2027 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 2028 0, /* rightshift */ 2029 2, /* size (0 = byte, 1 = short, 2 = long) */ 2030 16, /* bitsize */ 2031 FALSE, /* pc_relative */ 2032 0, /* bitpos */ 2033 complain_overflow_signed, /* complain_on_overflow */ 2034 _bfd_mips_elf_generic_reloc, /* special_function */ 2035 "R_MIPS16_TLS_GOTTPREL", /* name */ 2036 FALSE, /* partial_inplace */ 2037 0, /* src_mask */ 2038 0x0000ffff, /* dst_mask */ 2039 FALSE), /* pcrel_offset */ 2040 2041 /* MIPS16 TLS thread pointer offset. */ 2042 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 2043 0, /* rightshift */ 2044 2, /* size (0 = byte, 1 = short, 2 = long) */ 2045 16, /* bitsize */ 2046 FALSE, /* pc_relative */ 2047 0, /* bitpos */ 2048 complain_overflow_signed, /* complain_on_overflow */ 2049 _bfd_mips_elf_generic_reloc, /* special_function */ 2050 "R_MIPS16_TLS_TPREL_HI16", /* name */ 2051 FALSE, /* partial_inplace */ 2052 0, /* src_mask */ 2053 0x0000ffff, /* dst_mask */ 2054 FALSE), /* pcrel_offset */ 2055 2056 /* MIPS16 TLS thread pointer offset. */ 2057 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 2058 0, /* rightshift */ 2059 2, /* size (0 = byte, 1 = short, 2 = long) */ 2060 16, /* bitsize */ 2061 FALSE, /* pc_relative */ 2062 0, /* bitpos */ 2063 complain_overflow_signed, /* complain_on_overflow */ 2064 _bfd_mips_elf_generic_reloc, /* special_function */ 2065 "R_MIPS16_TLS_TPREL_LO16", /* name */ 2066 FALSE, /* partial_inplace */ 2067 0, /* src_mask */ 2068 0x0000ffff, /* dst_mask */ 2069 FALSE), /* pcrel_offset */ 2070 2071 /* MIPS16 16-bit PC-relative branch offset. */ 2072 HOWTO (R_MIPS16_PC16_S1, /* type */ 2073 1, /* rightshift */ 2074 2, /* size (0 = byte, 1 = short, 2 = long) */ 2075 16, /* bitsize */ 2076 TRUE, /* pc_relative */ 2077 0, /* bitpos */ 2078 complain_overflow_signed, /* complain_on_overflow */ 2079 _bfd_mips_elf_generic_reloc, /* special_function */ 2080 "R_MIPS16_PC16_S1", /* name */ 2081 FALSE, /* partial_inplace */ 2082 0, /* src_mask */ 2083 0x0000ffff, /* dst_mask */ 2084 TRUE), /* pcrel_offset */ 2085 }; 2086 2087 static reloc_howto_type elf_micromips_howto_table_rel[] = 2088 { 2089 EMPTY_HOWTO (130), 2090 EMPTY_HOWTO (131), 2091 EMPTY_HOWTO (132), 2092 2093 /* 26 bit jump address. */ 2094 HOWTO (R_MICROMIPS_26_S1, /* type */ 2095 1, /* rightshift */ 2096 2, /* size (0 = byte, 1 = short, 2 = long) */ 2097 26, /* bitsize */ 2098 FALSE, /* pc_relative */ 2099 0, /* bitpos */ 2100 complain_overflow_dont, /* complain_on_overflow */ 2101 /* This needs complex overflow 2102 detection, because the upper four 2103 bits must match the PC. */ 2104 _bfd_mips_elf_generic_reloc, /* special_function */ 2105 "R_MICROMIPS_26_S1", /* name */ 2106 TRUE, /* partial_inplace */ 2107 0x3ffffff, /* src_mask */ 2108 0x3ffffff, /* dst_mask */ 2109 FALSE), /* pcrel_offset */ 2110 2111 /* High 16 bits of symbol value. */ 2112 HOWTO (R_MICROMIPS_HI16, /* type */ 2113 16, /* rightshift */ 2114 2, /* size (0 = byte, 1 = short, 2 = long) */ 2115 16, /* bitsize */ 2116 FALSE, /* pc_relative */ 2117 0, /* bitpos */ 2118 complain_overflow_dont, /* complain_on_overflow */ 2119 _bfd_mips_elf_hi16_reloc, /* special_function */ 2120 "R_MICROMIPS_HI16", /* name */ 2121 TRUE, /* partial_inplace */ 2122 0x0000ffff, /* src_mask */ 2123 0x0000ffff, /* dst_mask */ 2124 FALSE), /* pcrel_offset */ 2125 2126 /* Low 16 bits of symbol value. */ 2127 HOWTO (R_MICROMIPS_LO16, /* type */ 2128 0, /* rightshift */ 2129 2, /* size (0 = byte, 1 = short, 2 = long) */ 2130 16, /* bitsize */ 2131 FALSE, /* pc_relative */ 2132 0, /* bitpos */ 2133 complain_overflow_dont, /* complain_on_overflow */ 2134 _bfd_mips_elf_lo16_reloc, /* special_function */ 2135 "R_MICROMIPS_LO16", /* name */ 2136 TRUE, /* partial_inplace */ 2137 0x0000ffff, /* src_mask */ 2138 0x0000ffff, /* dst_mask */ 2139 FALSE), /* pcrel_offset */ 2140 2141 /* GP relative reference. */ 2142 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2143 0, /* rightshift */ 2144 2, /* size (0 = byte, 1 = short, 2 = long) */ 2145 16, /* bitsize */ 2146 FALSE, /* pc_relative */ 2147 0, /* bitpos */ 2148 complain_overflow_signed, /* complain_on_overflow */ 2149 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2150 "R_MICROMIPS_GPREL16", /* name */ 2151 TRUE, /* partial_inplace */ 2152 0x0000ffff, /* src_mask */ 2153 0x0000ffff, /* dst_mask */ 2154 FALSE), /* pcrel_offset */ 2155 2156 /* Reference to literal section. */ 2157 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2158 0, /* rightshift */ 2159 2, /* size (0 = byte, 1 = short, 2 = long) */ 2160 16, /* bitsize */ 2161 FALSE, /* pc_relative */ 2162 0, /* bitpos */ 2163 complain_overflow_signed, /* complain_on_overflow */ 2164 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2165 "R_MICROMIPS_LITERAL", /* name */ 2166 TRUE, /* partial_inplace */ 2167 0x0000ffff, /* src_mask */ 2168 0x0000ffff, /* dst_mask */ 2169 FALSE), /* pcrel_offset */ 2170 2171 /* Reference to global offset table. */ 2172 HOWTO (R_MICROMIPS_GOT16, /* type */ 2173 0, /* rightshift */ 2174 2, /* size (0 = byte, 1 = short, 2 = long) */ 2175 16, /* bitsize */ 2176 FALSE, /* pc_relative */ 2177 0, /* bitpos */ 2178 complain_overflow_signed, /* complain_on_overflow */ 2179 _bfd_mips_elf_got16_reloc, /* special_function */ 2180 "R_MICROMIPS_GOT16", /* name */ 2181 TRUE, /* partial_inplace */ 2182 0x0000ffff, /* src_mask */ 2183 0x0000ffff, /* dst_mask */ 2184 FALSE), /* pcrel_offset */ 2185 2186 /* This is for microMIPS branches. */ 2187 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2188 1, /* rightshift */ 2189 1, /* size (0 = byte, 1 = short, 2 = long) */ 2190 7, /* bitsize */ 2191 TRUE, /* pc_relative */ 2192 0, /* bitpos */ 2193 complain_overflow_signed, /* complain_on_overflow */ 2194 _bfd_mips_elf_generic_reloc, /* special_function */ 2195 "R_MICROMIPS_PC7_S1", /* name */ 2196 TRUE, /* partial_inplace */ 2197 0x0000007f, /* src_mask */ 2198 0x0000007f, /* dst_mask */ 2199 TRUE), /* pcrel_offset */ 2200 2201 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2202 1, /* rightshift */ 2203 1, /* size (0 = byte, 1 = short, 2 = long) */ 2204 10, /* bitsize */ 2205 TRUE, /* pc_relative */ 2206 0, /* bitpos */ 2207 complain_overflow_signed, /* complain_on_overflow */ 2208 _bfd_mips_elf_generic_reloc, /* special_function */ 2209 "R_MICROMIPS_PC10_S1", /* name */ 2210 TRUE, /* partial_inplace */ 2211 0x000003ff, /* src_mask */ 2212 0x000003ff, /* dst_mask */ 2213 TRUE), /* pcrel_offset */ 2214 2215 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2216 1, /* rightshift */ 2217 2, /* size (0 = byte, 1 = short, 2 = long) */ 2218 16, /* bitsize */ 2219 TRUE, /* pc_relative */ 2220 0, /* bitpos */ 2221 complain_overflow_signed, /* complain_on_overflow */ 2222 _bfd_mips_elf_generic_reloc, /* special_function */ 2223 "R_MICROMIPS_PC16_S1", /* name */ 2224 TRUE, /* partial_inplace */ 2225 0x0000ffff, /* src_mask */ 2226 0x0000ffff, /* dst_mask */ 2227 TRUE), /* pcrel_offset */ 2228 2229 /* 16 bit call through global offset table. */ 2230 HOWTO (R_MICROMIPS_CALL16, /* type */ 2231 0, /* rightshift */ 2232 2, /* size (0 = byte, 1 = short, 2 = long) */ 2233 16, /* bitsize */ 2234 FALSE, /* pc_relative */ 2235 0, /* bitpos */ 2236 complain_overflow_signed, /* complain_on_overflow */ 2237 _bfd_mips_elf_generic_reloc, /* special_function */ 2238 "R_MICROMIPS_CALL16", /* name */ 2239 TRUE, /* partial_inplace */ 2240 0x0000ffff, /* src_mask */ 2241 0x0000ffff, /* dst_mask */ 2242 FALSE), /* pcrel_offset */ 2243 2244 EMPTY_HOWTO (143), 2245 EMPTY_HOWTO (144), 2246 2247 /* Displacement in the global offset table. */ 2248 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2249 0, /* rightshift */ 2250 2, /* size (0 = byte, 1 = short, 2 = long) */ 2251 16, /* bitsize */ 2252 FALSE, /* pc_relative */ 2253 0, /* bitpos */ 2254 complain_overflow_signed, /* complain_on_overflow */ 2255 _bfd_mips_elf_generic_reloc, /* special_function */ 2256 "R_MICROMIPS_GOT_DISP",/* name */ 2257 TRUE, /* partial_inplace */ 2258 0x0000ffff, /* src_mask */ 2259 0x0000ffff, /* dst_mask */ 2260 FALSE), /* pcrel_offset */ 2261 2262 /* Displacement to page pointer in the global offset table. */ 2263 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2264 0, /* rightshift */ 2265 2, /* size (0 = byte, 1 = short, 2 = long) */ 2266 16, /* bitsize */ 2267 FALSE, /* pc_relative */ 2268 0, /* bitpos */ 2269 complain_overflow_signed, /* complain_on_overflow */ 2270 _bfd_mips_elf_generic_reloc, /* special_function */ 2271 "R_MICROMIPS_GOT_PAGE",/* name */ 2272 TRUE, /* partial_inplace */ 2273 0x0000ffff, /* src_mask */ 2274 0x0000ffff, /* dst_mask */ 2275 FALSE), /* pcrel_offset */ 2276 2277 /* Offset from page pointer in the global offset table. */ 2278 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2279 0, /* rightshift */ 2280 2, /* size (0 = byte, 1 = short, 2 = long) */ 2281 16, /* bitsize */ 2282 FALSE, /* pc_relative */ 2283 0, /* bitpos */ 2284 complain_overflow_signed, /* complain_on_overflow */ 2285 _bfd_mips_elf_generic_reloc, /* special_function */ 2286 "R_MICROMIPS_GOT_OFST",/* name */ 2287 TRUE, /* partial_inplace */ 2288 0x0000ffff, /* src_mask */ 2289 0x0000ffff, /* dst_mask */ 2290 FALSE), /* pcrel_offset */ 2291 2292 /* High 16 bits of displacement in global offset table. */ 2293 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2294 0, /* rightshift */ 2295 2, /* size (0 = byte, 1 = short, 2 = long) */ 2296 16, /* bitsize */ 2297 FALSE, /* pc_relative */ 2298 0, /* bitpos */ 2299 complain_overflow_dont, /* complain_on_overflow */ 2300 _bfd_mips_elf_generic_reloc, /* special_function */ 2301 "R_MICROMIPS_GOT_HI16",/* name */ 2302 TRUE, /* partial_inplace */ 2303 0x0000ffff, /* src_mask */ 2304 0x0000ffff, /* dst_mask */ 2305 FALSE), /* pcrel_offset */ 2306 2307 /* Low 16 bits of displacement in global offset table. */ 2308 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2309 0, /* rightshift */ 2310 2, /* size (0 = byte, 1 = short, 2 = long) */ 2311 16, /* bitsize */ 2312 FALSE, /* pc_relative */ 2313 0, /* bitpos */ 2314 complain_overflow_dont, /* complain_on_overflow */ 2315 _bfd_mips_elf_generic_reloc, /* special_function */ 2316 "R_MICROMIPS_GOT_LO16",/* name */ 2317 TRUE, /* partial_inplace */ 2318 0x0000ffff, /* src_mask */ 2319 0x0000ffff, /* dst_mask */ 2320 FALSE), /* pcrel_offset */ 2321 2322 /* 64 bit subtraction. Used in the N32 ABI. */ 2323 HOWTO (R_MICROMIPS_SUB, /* type */ 2324 0, /* rightshift */ 2325 4, /* size (0 = byte, 1 = short, 2 = long) */ 2326 64, /* bitsize */ 2327 FALSE, /* pc_relative */ 2328 0, /* bitpos */ 2329 complain_overflow_dont, /* complain_on_overflow */ 2330 _bfd_mips_elf_generic_reloc, /* special_function */ 2331 "R_MICROMIPS_SUB", /* name */ 2332 TRUE, /* partial_inplace */ 2333 MINUS_ONE, /* src_mask */ 2334 MINUS_ONE, /* dst_mask */ 2335 FALSE), /* pcrel_offset */ 2336 2337 /* We don't support these for REL relocations, because it means building 2338 the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/ 2339 R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering, 2340 using fallable heuristics. */ 2341 EMPTY_HOWTO (R_MICROMIPS_HIGHER), 2342 EMPTY_HOWTO (R_MICROMIPS_HIGHEST), 2343 2344 /* High 16 bits of displacement in global offset table. */ 2345 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2346 0, /* rightshift */ 2347 2, /* size (0 = byte, 1 = short, 2 = long) */ 2348 16, /* bitsize */ 2349 FALSE, /* pc_relative */ 2350 0, /* bitpos */ 2351 complain_overflow_dont, /* complain_on_overflow */ 2352 _bfd_mips_elf_generic_reloc, /* special_function */ 2353 "R_MICROMIPS_CALL_HI16",/* name */ 2354 TRUE, /* partial_inplace */ 2355 0x0000ffff, /* src_mask */ 2356 0x0000ffff, /* dst_mask */ 2357 FALSE), /* pcrel_offset */ 2358 2359 /* Low 16 bits of displacement in global offset table. */ 2360 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2361 0, /* rightshift */ 2362 2, /* size (0 = byte, 1 = short, 2 = long) */ 2363 16, /* bitsize */ 2364 FALSE, /* pc_relative */ 2365 0, /* bitpos */ 2366 complain_overflow_dont, /* complain_on_overflow */ 2367 _bfd_mips_elf_generic_reloc, /* special_function */ 2368 "R_MICROMIPS_CALL_LO16",/* name */ 2369 TRUE, /* partial_inplace */ 2370 0x0000ffff, /* src_mask */ 2371 0x0000ffff, /* dst_mask */ 2372 FALSE), /* pcrel_offset */ 2373 2374 /* Section displacement. */ 2375 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2376 0, /* rightshift */ 2377 2, /* size (0 = byte, 1 = short, 2 = long) */ 2378 32, /* bitsize */ 2379 FALSE, /* pc_relative */ 2380 0, /* bitpos */ 2381 complain_overflow_dont, /* complain_on_overflow */ 2382 _bfd_mips_elf_generic_reloc, /* special_function */ 2383 "R_MICROMIPS_SCN_DISP", /* name */ 2384 TRUE, /* partial_inplace */ 2385 0xffffffff, /* src_mask */ 2386 0xffffffff, /* dst_mask */ 2387 FALSE), /* pcrel_offset */ 2388 2389 /* Protected jump conversion. This is an optimization hint. No 2390 relocation is required for correctness. */ 2391 HOWTO (R_MICROMIPS_JALR, /* type */ 2392 0, /* rightshift */ 2393 2, /* size (0 = byte, 1 = short, 2 = long) */ 2394 32, /* bitsize */ 2395 FALSE, /* pc_relative */ 2396 0, /* bitpos */ 2397 complain_overflow_dont, /* complain_on_overflow */ 2398 _bfd_mips_elf_generic_reloc, /* special_function */ 2399 "R_MICROMIPS_JALR", /* name */ 2400 FALSE, /* partial_inplace */ 2401 0, /* src_mask */ 2402 0x00000000, /* dst_mask */ 2403 FALSE), /* pcrel_offset */ 2404 }; 2405 2406 static reloc_howto_type elf_micromips_howto_table_rela[] = 2407 { 2408 EMPTY_HOWTO (130), 2409 EMPTY_HOWTO (131), 2410 EMPTY_HOWTO (132), 2411 2412 /* 26 bit jump address. */ 2413 HOWTO (R_MICROMIPS_26_S1, /* type */ 2414 1, /* rightshift */ 2415 2, /* size (0 = byte, 1 = short, 2 = long) */ 2416 26, /* bitsize */ 2417 FALSE, /* pc_relative */ 2418 0, /* bitpos */ 2419 complain_overflow_dont, /* complain_on_overflow */ 2420 /* This needs complex overflow 2421 detection, because the upper four 2422 bits must match the PC. */ 2423 _bfd_mips_elf_generic_reloc, /* special_function */ 2424 "R_MICROMIPS_26_S1", /* name */ 2425 FALSE, /* partial_inplace */ 2426 0, /* src_mask */ 2427 0x3ffffff, /* dst_mask */ 2428 FALSE), /* pcrel_offset */ 2429 2430 /* High 16 bits of symbol value. */ 2431 HOWTO (R_MICROMIPS_HI16, /* type */ 2432 16, /* rightshift */ 2433 2, /* size (0 = byte, 1 = short, 2 = long) */ 2434 16, /* bitsize */ 2435 FALSE, /* pc_relative */ 2436 0, /* bitpos */ 2437 complain_overflow_dont, /* complain_on_overflow */ 2438 _bfd_mips_elf_hi16_reloc, /* special_function */ 2439 "R_MICROMIPS_HI16", /* name */ 2440 FALSE, /* partial_inplace */ 2441 0, /* src_mask */ 2442 0x0000ffff, /* dst_mask */ 2443 FALSE), /* pcrel_offset */ 2444 2445 /* Low 16 bits of symbol value. */ 2446 HOWTO (R_MICROMIPS_LO16, /* type */ 2447 0, /* rightshift */ 2448 2, /* size (0 = byte, 1 = short, 2 = long) */ 2449 16, /* bitsize */ 2450 FALSE, /* pc_relative */ 2451 0, /* bitpos */ 2452 complain_overflow_dont, /* complain_on_overflow */ 2453 _bfd_mips_elf_lo16_reloc, /* special_function */ 2454 "R_MICROMIPS_LO16", /* name */ 2455 FALSE, /* partial_inplace */ 2456 0, /* src_mask */ 2457 0x0000ffff, /* dst_mask */ 2458 FALSE), /* pcrel_offset */ 2459 2460 /* GP relative reference. */ 2461 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2462 0, /* rightshift */ 2463 2, /* size (0 = byte, 1 = short, 2 = long) */ 2464 16, /* bitsize */ 2465 FALSE, /* pc_relative */ 2466 0, /* bitpos */ 2467 complain_overflow_signed, /* complain_on_overflow */ 2468 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2469 "R_MICROMIPS_GPREL16", /* name */ 2470 FALSE, /* partial_inplace */ 2471 0, /* src_mask */ 2472 0x0000ffff, /* dst_mask */ 2473 FALSE), /* pcrel_offset */ 2474 2475 /* Reference to literal section. */ 2476 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2477 0, /* rightshift */ 2478 2, /* size (0 = byte, 1 = short, 2 = long) */ 2479 16, /* bitsize */ 2480 FALSE, /* pc_relative */ 2481 0, /* bitpos */ 2482 complain_overflow_signed, /* complain_on_overflow */ 2483 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2484 "R_MICROMIPS_LITERAL", /* name */ 2485 FALSE, /* partial_inplace */ 2486 0, /* src_mask */ 2487 0x0000ffff, /* dst_mask */ 2488 FALSE), /* pcrel_offset */ 2489 2490 /* Reference to global offset table. */ 2491 HOWTO (R_MICROMIPS_GOT16, /* type */ 2492 0, /* rightshift */ 2493 2, /* size (0 = byte, 1 = short, 2 = long) */ 2494 16, /* bitsize */ 2495 FALSE, /* pc_relative */ 2496 0, /* bitpos */ 2497 complain_overflow_signed, /* complain_on_overflow */ 2498 _bfd_mips_elf_got16_reloc, /* special_function */ 2499 "R_MICROMIPS_GOT16", /* name */ 2500 FALSE, /* partial_inplace */ 2501 0, /* src_mask */ 2502 0x0000ffff, /* dst_mask */ 2503 FALSE), /* pcrel_offset */ 2504 2505 /* This is for microMIPS branches. */ 2506 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2507 1, /* rightshift */ 2508 1, /* size (0 = byte, 1 = short, 2 = long) */ 2509 7, /* bitsize */ 2510 TRUE, /* pc_relative */ 2511 0, /* bitpos */ 2512 complain_overflow_signed, /* complain_on_overflow */ 2513 _bfd_mips_elf_generic_reloc, /* special_function */ 2514 "R_MICROMIPS_PC7_S1", /* name */ 2515 FALSE, /* partial_inplace */ 2516 0, /* src_mask */ 2517 0x0000007f, /* dst_mask */ 2518 TRUE), /* pcrel_offset */ 2519 2520 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2521 1, /* rightshift */ 2522 1, /* size (0 = byte, 1 = short, 2 = long) */ 2523 10, /* bitsize */ 2524 TRUE, /* pc_relative */ 2525 0, /* bitpos */ 2526 complain_overflow_signed, /* complain_on_overflow */ 2527 _bfd_mips_elf_generic_reloc, /* special_function */ 2528 "R_MICROMIPS_PC10_S1", /* name */ 2529 FALSE, /* partial_inplace */ 2530 0, /* src_mask */ 2531 0x000003ff, /* dst_mask */ 2532 TRUE), /* pcrel_offset */ 2533 2534 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2535 1, /* rightshift */ 2536 2, /* size (0 = byte, 1 = short, 2 = long) */ 2537 16, /* bitsize */ 2538 TRUE, /* pc_relative */ 2539 0, /* bitpos */ 2540 complain_overflow_signed, /* complain_on_overflow */ 2541 _bfd_mips_elf_generic_reloc, /* special_function */ 2542 "R_MICROMIPS_PC16_S1", /* name */ 2543 FALSE, /* partial_inplace */ 2544 0, /* src_mask */ 2545 0x0000ffff, /* dst_mask */ 2546 TRUE), /* pcrel_offset */ 2547 2548 /* 16 bit call through global offset table. */ 2549 HOWTO (R_MICROMIPS_CALL16, /* type */ 2550 0, /* rightshift */ 2551 2, /* size (0 = byte, 1 = short, 2 = long) */ 2552 16, /* bitsize */ 2553 FALSE, /* pc_relative */ 2554 0, /* bitpos */ 2555 complain_overflow_signed, /* complain_on_overflow */ 2556 _bfd_mips_elf_generic_reloc, /* special_function */ 2557 "R_MICROMIPS_CALL16", /* name */ 2558 FALSE, /* partial_inplace */ 2559 0, /* src_mask */ 2560 0x0000ffff, /* dst_mask */ 2561 FALSE), /* pcrel_offset */ 2562 2563 EMPTY_HOWTO (143), 2564 EMPTY_HOWTO (144), 2565 2566 /* Displacement in the global offset table. */ 2567 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2568 0, /* rightshift */ 2569 2, /* size (0 = byte, 1 = short, 2 = long) */ 2570 16, /* bitsize */ 2571 FALSE, /* pc_relative */ 2572 0, /* bitpos */ 2573 complain_overflow_signed, /* complain_on_overflow */ 2574 _bfd_mips_elf_generic_reloc, /* special_function */ 2575 "R_MICROMIPS_GOT_DISP",/* name */ 2576 FALSE, /* partial_inplace */ 2577 0, /* src_mask */ 2578 0x0000ffff, /* dst_mask */ 2579 FALSE), /* pcrel_offset */ 2580 2581 /* Displacement to page pointer in the global offset table. */ 2582 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2583 0, /* rightshift */ 2584 2, /* size (0 = byte, 1 = short, 2 = long) */ 2585 16, /* bitsize */ 2586 FALSE, /* pc_relative */ 2587 0, /* bitpos */ 2588 complain_overflow_signed, /* complain_on_overflow */ 2589 _bfd_mips_elf_generic_reloc, /* special_function */ 2590 "R_MICROMIPS_GOT_PAGE",/* name */ 2591 FALSE, /* partial_inplace */ 2592 0, /* src_mask */ 2593 0x0000ffff, /* dst_mask */ 2594 FALSE), /* pcrel_offset */ 2595 2596 /* Offset from page pointer in the global offset table. */ 2597 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2598 0, /* rightshift */ 2599 2, /* size (0 = byte, 1 = short, 2 = long) */ 2600 16, /* bitsize */ 2601 FALSE, /* pc_relative */ 2602 0, /* bitpos */ 2603 complain_overflow_signed, /* complain_on_overflow */ 2604 _bfd_mips_elf_generic_reloc, /* special_function */ 2605 "R_MICROMIPS_GOT_OFST",/* name */ 2606 FALSE, /* partial_inplace */ 2607 0, /* src_mask */ 2608 0x0000ffff, /* dst_mask */ 2609 FALSE), /* pcrel_offset */ 2610 2611 /* High 16 bits of displacement in global offset table. */ 2612 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2613 0, /* rightshift */ 2614 2, /* size (0 = byte, 1 = short, 2 = long) */ 2615 16, /* bitsize */ 2616 FALSE, /* pc_relative */ 2617 0, /* bitpos */ 2618 complain_overflow_dont, /* complain_on_overflow */ 2619 _bfd_mips_elf_generic_reloc, /* special_function */ 2620 "R_MICROMIPS_GOT_HI16",/* name */ 2621 FALSE, /* partial_inplace */ 2622 0, /* src_mask */ 2623 0x0000ffff, /* dst_mask */ 2624 FALSE), /* pcrel_offset */ 2625 2626 /* Low 16 bits of displacement in global offset table. */ 2627 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2628 0, /* rightshift */ 2629 2, /* size (0 = byte, 1 = short, 2 = long) */ 2630 16, /* bitsize */ 2631 FALSE, /* pc_relative */ 2632 0, /* bitpos */ 2633 complain_overflow_dont, /* complain_on_overflow */ 2634 _bfd_mips_elf_generic_reloc, /* special_function */ 2635 "R_MICROMIPS_GOT_LO16",/* name */ 2636 FALSE, /* partial_inplace */ 2637 0, /* src_mask */ 2638 0x0000ffff, /* dst_mask */ 2639 FALSE), /* pcrel_offset */ 2640 2641 /* 64 bit subtraction. Used in the N32 ABI. */ 2642 HOWTO (R_MICROMIPS_SUB, /* type */ 2643 0, /* rightshift */ 2644 4, /* size (0 = byte, 1 = short, 2 = long) */ 2645 64, /* bitsize */ 2646 FALSE, /* pc_relative */ 2647 0, /* bitpos */ 2648 complain_overflow_dont, /* complain_on_overflow */ 2649 _bfd_mips_elf_generic_reloc, /* special_function */ 2650 "R_MICROMIPS_SUB", /* name */ 2651 FALSE, /* partial_inplace */ 2652 0, /* src_mask */ 2653 MINUS_ONE, /* dst_mask */ 2654 FALSE), /* pcrel_offset */ 2655 2656 /* Get the higher value of a 64 bit addend. */ 2657 HOWTO (R_MICROMIPS_HIGHER, /* type */ 2658 0, /* rightshift */ 2659 2, /* size (0 = byte, 1 = short, 2 = long) */ 2660 16, /* bitsize */ 2661 FALSE, /* pc_relative */ 2662 0, /* bitpos */ 2663 complain_overflow_dont, /* complain_on_overflow */ 2664 _bfd_mips_elf_generic_reloc, /* special_function */ 2665 "R_MICROMIPS_HIGHER", /* name */ 2666 FALSE, /* partial_inplace */ 2667 0, /* src_mask */ 2668 0x0000ffff, /* dst_mask */ 2669 FALSE), /* pcrel_offset */ 2670 2671 /* Get the highest value of a 64 bit addend. */ 2672 HOWTO (R_MICROMIPS_HIGHEST, /* type */ 2673 0, /* rightshift */ 2674 2, /* size (0 = byte, 1 = short, 2 = long) */ 2675 16, /* bitsize */ 2676 FALSE, /* pc_relative */ 2677 0, /* bitpos */ 2678 complain_overflow_dont, /* complain_on_overflow */ 2679 _bfd_mips_elf_generic_reloc, /* special_function */ 2680 "R_MICROMIPS_HIGHEST", /* name */ 2681 FALSE, /* partial_inplace */ 2682 0, /* src_mask */ 2683 0x0000ffff, /* dst_mask */ 2684 FALSE), /* pcrel_offset */ 2685 2686 /* High 16 bits of displacement in global offset table. */ 2687 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2688 0, /* rightshift */ 2689 2, /* size (0 = byte, 1 = short, 2 = long) */ 2690 16, /* bitsize */ 2691 FALSE, /* pc_relative */ 2692 0, /* bitpos */ 2693 complain_overflow_dont, /* complain_on_overflow */ 2694 _bfd_mips_elf_generic_reloc, /* special_function */ 2695 "R_MICROMIPS_CALL_HI16",/* name */ 2696 FALSE, /* partial_inplace */ 2697 0, /* src_mask */ 2698 0x0000ffff, /* dst_mask */ 2699 FALSE), /* pcrel_offset */ 2700 2701 /* Low 16 bits of displacement in global offset table. */ 2702 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2703 0, /* rightshift */ 2704 2, /* size (0 = byte, 1 = short, 2 = long) */ 2705 16, /* bitsize */ 2706 FALSE, /* pc_relative */ 2707 0, /* bitpos */ 2708 complain_overflow_dont, /* complain_on_overflow */ 2709 _bfd_mips_elf_generic_reloc, /* special_function */ 2710 "R_MICROMIPS_CALL_LO16",/* name */ 2711 FALSE, /* partial_inplace */ 2712 0, /* src_mask */ 2713 0x0000ffff, /* dst_mask */ 2714 FALSE), /* pcrel_offset */ 2715 2716 /* Section displacement. */ 2717 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2718 0, /* rightshift */ 2719 2, /* size (0 = byte, 1 = short, 2 = long) */ 2720 32, /* bitsize */ 2721 FALSE, /* pc_relative */ 2722 0, /* bitpos */ 2723 complain_overflow_dont, /* complain_on_overflow */ 2724 _bfd_mips_elf_generic_reloc, /* special_function */ 2725 "R_MICROMIPS_SCN_DISP", /* name */ 2726 FALSE, /* partial_inplace */ 2727 0, /* src_mask */ 2728 0xffffffff, /* dst_mask */ 2729 FALSE), /* pcrel_offset */ 2730 2731 /* Protected jump conversion. This is an optimization hint. No 2732 relocation is required for correctness. */ 2733 HOWTO (R_MICROMIPS_JALR, /* type */ 2734 0, /* rightshift */ 2735 2, /* size (0 = byte, 1 = short, 2 = long) */ 2736 32, /* bitsize */ 2737 FALSE, /* pc_relative */ 2738 0, /* bitpos */ 2739 complain_overflow_dont, /* complain_on_overflow */ 2740 _bfd_mips_elf_generic_reloc, /* special_function */ 2741 "R_MICROMIPS_JALR", /* name */ 2742 FALSE, /* partial_inplace */ 2743 0, /* src_mask */ 2744 0x00000000, /* dst_mask */ 2745 FALSE), /* pcrel_offset */ 2746 }; 2747 2748 /* GNU extension to record C++ vtable hierarchy */ 2749 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 2750 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 2751 0, /* rightshift */ 2752 2, /* size (0 = byte, 1 = short, 2 = long) */ 2753 0, /* bitsize */ 2754 FALSE, /* pc_relative */ 2755 0, /* bitpos */ 2756 complain_overflow_dont, /* complain_on_overflow */ 2757 NULL, /* special_function */ 2758 "R_MIPS_GNU_VTINHERIT", /* name */ 2759 FALSE, /* partial_inplace */ 2760 0, /* src_mask */ 2761 0, /* dst_mask */ 2762 FALSE); /* pcrel_offset */ 2763 2764 /* GNU extension to record C++ vtable member usage */ 2765 static reloc_howto_type elf_mips_gnu_vtentry_howto = 2766 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 2767 0, /* rightshift */ 2768 2, /* size (0 = byte, 1 = short, 2 = long) */ 2769 0, /* bitsize */ 2770 FALSE, /* pc_relative */ 2771 0, /* bitpos */ 2772 complain_overflow_dont, /* complain_on_overflow */ 2773 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 2774 "R_MIPS_GNU_VTENTRY", /* name */ 2775 FALSE, /* partial_inplace */ 2776 0, /* src_mask */ 2777 0, /* dst_mask */ 2778 FALSE); /* pcrel_offset */ 2779 2780 /* 16 bit offset for pc-relative branches. */ 2782 static reloc_howto_type elf_mips_gnu_rel16_s2 = 2783 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2784 2, /* rightshift */ 2785 2, /* size (0 = byte, 1 = short, 2 = long) */ 2786 16, /* bitsize */ 2787 TRUE, /* pc_relative */ 2788 0, /* bitpos */ 2789 complain_overflow_signed, /* complain_on_overflow */ 2790 _bfd_mips_elf_generic_reloc, /* special_function */ 2791 "R_MIPS_GNU_REL16_S2", /* name */ 2792 TRUE, /* partial_inplace */ 2793 0x0000ffff, /* src_mask */ 2794 0x0000ffff, /* dst_mask */ 2795 TRUE); /* pcrel_offset */ 2796 2797 /* 16 bit offset for pc-relative branches. */ 2798 static reloc_howto_type elf_mips_gnu_rela16_s2 = 2799 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2800 2, /* rightshift */ 2801 2, /* size (0 = byte, 1 = short, 2 = long) */ 2802 16, /* bitsize */ 2803 TRUE, /* pc_relative */ 2804 0, /* bitpos */ 2805 complain_overflow_signed, /* complain_on_overflow */ 2806 _bfd_mips_elf_generic_reloc, /* special_function */ 2807 "R_MIPS_GNU_REL16_S2", /* name */ 2808 FALSE, /* partial_inplace */ 2809 0, /* src_mask */ 2810 0x0000ffff, /* dst_mask */ 2811 TRUE); /* pcrel_offset */ 2812 2813 /* 32 bit pc-relative. Used for compact EH tables. */ 2814 static reloc_howto_type elf_mips_gnu_pcrel32 = 2815 HOWTO (R_MIPS_PC32, /* type */ 2816 0, /* rightshift */ 2817 2, /* size (0 = byte, 1 = short, 2 = long) */ 2818 32, /* bitsize */ 2819 TRUE, /* pc_relative */ 2820 0, /* bitpos */ 2821 complain_overflow_signed, /* complain_on_overflow */ 2822 _bfd_mips_elf_generic_reloc, /* special_function */ 2823 "R_MIPS_PC32", /* name */ 2824 TRUE, /* partial_inplace */ 2825 0xffffffff, /* src_mask */ 2826 0xffffffff, /* dst_mask */ 2827 TRUE); /* pcrel_offset */ 2828 2829 2830 /* Originally a VxWorks extension, but now used for other systems too. */ 2832 static reloc_howto_type elf_mips_copy_howto = 2833 HOWTO (R_MIPS_COPY, /* type */ 2834 0, /* rightshift */ 2835 0, /* this one is variable size */ 2836 0, /* bitsize */ 2837 FALSE, /* pc_relative */ 2838 0, /* bitpos */ 2839 complain_overflow_bitfield, /* complain_on_overflow */ 2840 _bfd_mips_elf_generic_reloc, /* special_function */ 2841 "R_MIPS_COPY", /* name */ 2842 FALSE, /* partial_inplace */ 2843 0x0, /* src_mask */ 2844 0x0, /* dst_mask */ 2845 FALSE); /* pcrel_offset */ 2846 2847 /* Originally a VxWorks extension, but now used for other systems too. */ 2848 static reloc_howto_type elf_mips_jump_slot_howto = 2849 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 2850 0, /* rightshift */ 2851 2, /* size (0 = byte, 1 = short, 2 = long) */ 2852 32, /* bitsize */ 2853 FALSE, /* pc_relative */ 2854 0, /* bitpos */ 2855 complain_overflow_bitfield, /* complain_on_overflow */ 2856 _bfd_mips_elf_generic_reloc, /* special_function */ 2857 "R_MIPS_JUMP_SLOT", /* name */ 2858 FALSE, /* partial_inplace */ 2859 0x0, /* src_mask */ 2860 0x0, /* dst_mask */ 2861 FALSE); /* pcrel_offset */ 2862 2863 /* Used in EH tables. */ 2864 static reloc_howto_type elf_mips_eh_howto = 2865 HOWTO (R_MIPS_EH, /* type */ 2866 0, /* rightshift */ 2867 2, /* size (0 = byte, 1 = short, 2 = long) */ 2868 32, /* bitsize */ 2869 FALSE, /* pc_relative */ 2870 0, /* bitpos */ 2871 complain_overflow_signed, /* complain_on_overflow */ 2872 _bfd_mips_elf_generic_reloc, /* special_function */ 2873 "R_MIPS_EH", /* name */ 2874 TRUE, /* partial_inplace */ 2875 0xffffffff, /* src_mask */ 2876 0xffffffff, /* dst_mask */ 2877 FALSE); /* pcrel_offset */ 2878 2879 2880 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 2882 dangerous relocation. */ 2883 2884 static bfd_boolean 2885 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) 2886 { 2887 unsigned int count; 2888 asymbol **sym; 2889 unsigned int i; 2890 2891 /* If we've already figured out what GP will be, just return it. */ 2892 *pgp = _bfd_get_gp_value (output_bfd); 2893 if (*pgp) 2894 return TRUE; 2895 2896 count = bfd_get_symcount (output_bfd); 2897 sym = bfd_get_outsymbols (output_bfd); 2898 2899 /* The linker script will have created a symbol named `_gp' with the 2900 appropriate value. */ 2901 if (sym == NULL) 2902 i = count; 2903 else 2904 { 2905 for (i = 0; i < count; i++, sym++) 2906 { 2907 register const char *name; 2908 2909 name = bfd_asymbol_name (*sym); 2910 if (*name == '_' && strcmp (name, "_gp") == 0) 2911 { 2912 *pgp = bfd_asymbol_value (*sym); 2913 _bfd_set_gp_value (output_bfd, *pgp); 2914 break; 2915 } 2916 } 2917 } 2918 2919 if (i >= count) 2920 { 2921 /* Only get the error once. */ 2922 *pgp = 4; 2923 _bfd_set_gp_value (output_bfd, *pgp); 2924 return FALSE; 2925 } 2926 2927 return TRUE; 2928 } 2929 2930 /* We have to figure out the gp value, so that we can adjust the 2931 symbol value correctly. We look up the symbol _gp in the output 2932 BFD. If we can't find it, we're stuck. We cache it in the ELF 2933 target data. We don't need to adjust the symbol value for an 2934 external symbol if we are producing relocatable output. */ 2935 2936 static bfd_reloc_status_type 2937 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 2938 char **error_message, bfd_vma *pgp) 2939 { 2940 if (bfd_is_und_section (symbol->section) 2941 && ! relocatable) 2942 { 2943 *pgp = 0; 2944 return bfd_reloc_undefined; 2945 } 2946 2947 *pgp = _bfd_get_gp_value (output_bfd); 2948 if (*pgp == 0 2949 && (! relocatable 2950 || (symbol->flags & BSF_SECTION_SYM) != 0)) 2951 { 2952 if (relocatable) 2953 { 2954 /* Make up a value. */ 2955 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 2956 _bfd_set_gp_value (output_bfd, *pgp); 2957 } 2958 else if (!mips_elf_assign_gp (output_bfd, pgp)) 2959 { 2960 *error_message = 2961 (char *) _("GP relative relocation when _gp not defined"); 2962 return bfd_reloc_dangerous; 2963 } 2964 } 2965 2966 return bfd_reloc_ok; 2967 } 2968 2969 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 2970 become the offset from the gp register. */ 2971 2972 static bfd_reloc_status_type 2973 mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, 2974 asymbol *symbol, void *data ATTRIBUTE_UNUSED, 2975 asection *input_section, bfd *output_bfd, 2976 char **error_message ATTRIBUTE_UNUSED) 2977 { 2978 bfd_boolean relocatable; 2979 bfd_reloc_status_type ret; 2980 bfd_vma gp; 2981 2982 if (output_bfd != NULL) 2983 relocatable = TRUE; 2984 else 2985 { 2986 relocatable = FALSE; 2987 output_bfd = symbol->section->output_section->owner; 2988 } 2989 2990 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 2991 &gp); 2992 if (ret != bfd_reloc_ok) 2993 return ret; 2994 2995 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 2996 input_section, relocatable, 2997 data, gp); 2998 } 2999 3000 /* Do a R_MIPS_LITERAL relocation. */ 3001 3002 static bfd_reloc_status_type 3003 mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3004 void *data, asection *input_section, bfd *output_bfd, 3005 char **error_message) 3006 { 3007 bfd_boolean relocatable; 3008 bfd_reloc_status_type ret; 3009 bfd_vma gp; 3010 3011 /* R_MIPS_LITERAL relocations are defined for local symbols only. */ 3012 if (output_bfd != NULL 3013 && (symbol->flags & BSF_SECTION_SYM) == 0 3014 && (symbol->flags & BSF_LOCAL) != 0) 3015 { 3016 *error_message = (char *) 3017 _("literal relocation occurs for an external symbol"); 3018 return bfd_reloc_outofrange; 3019 } 3020 3021 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ 3022 if (output_bfd != NULL) 3023 relocatable = TRUE; 3024 else 3025 { 3026 relocatable = FALSE; 3027 output_bfd = symbol->section->output_section->owner; 3028 } 3029 3030 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 3031 &gp); 3032 if (ret != bfd_reloc_ok) 3033 return ret; 3034 3035 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3036 input_section, relocatable, 3037 data, gp); 3038 } 3039 3040 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 3041 become the offset from the gp register. */ 3042 3043 static bfd_reloc_status_type 3044 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3045 void *data, asection *input_section, bfd *output_bfd, 3046 char **error_message) 3047 { 3048 bfd_boolean relocatable; 3049 bfd_reloc_status_type ret; 3050 bfd_vma gp; 3051 3052 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 3053 if (output_bfd != NULL 3054 && (symbol->flags & BSF_SECTION_SYM) == 0 3055 && (symbol->flags & BSF_LOCAL) != 0) 3056 { 3057 *error_message = (char *) 3058 _("32bits gp relative relocation occurs for an external symbol"); 3059 return bfd_reloc_outofrange; 3060 } 3061 3062 if (output_bfd != NULL) 3063 { 3064 relocatable = TRUE; 3065 gp = _bfd_get_gp_value (output_bfd); 3066 } 3067 else 3068 { 3069 relocatable = FALSE; 3070 output_bfd = symbol->section->output_section->owner; 3071 3072 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, 3073 error_message, &gp); 3074 if (ret != bfd_reloc_ok) 3075 return ret; 3076 } 3077 3078 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, 3079 relocatable, data, gp); 3080 } 3081 3082 static bfd_reloc_status_type 3083 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, 3084 asection *input_section, bfd_boolean relocatable, 3085 void *data, bfd_vma gp) 3086 { 3087 bfd_vma relocation; 3088 unsigned long val; 3089 3090 if (bfd_is_com_section (symbol->section)) 3091 relocation = 0; 3092 else 3093 relocation = symbol->value; 3094 3095 relocation += symbol->section->output_section->vma; 3096 relocation += symbol->section->output_offset; 3097 3098 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 3099 return bfd_reloc_outofrange; 3100 3101 if (reloc_entry->howto->src_mask == 0) 3102 val = 0; 3103 else 3104 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 3105 3106 /* Set val to the offset into the section or symbol. */ 3107 val += reloc_entry->addend; 3108 3109 /* Adjust val for the final section location and GP value. If we 3110 are producing relocatable output, we don't want to do this for 3111 an external symbol. */ 3112 if (! relocatable 3113 || (symbol->flags & BSF_SECTION_SYM) != 0) 3114 val += relocation - gp; 3115 3116 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 3117 3118 if (relocatable) 3119 reloc_entry->address += input_section->output_offset; 3120 3121 return bfd_reloc_ok; 3122 } 3123 3124 /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, 3125 the rest is at bits 6-10. The bitpos already got right by the howto. */ 3126 3127 static bfd_reloc_status_type 3128 mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3129 void *data, asection *input_section, bfd *output_bfd, 3130 char **error_message) 3131 { 3132 if (reloc_entry->howto->partial_inplace) 3133 { 3134 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) 3135 | (reloc_entry->addend & 0x00000800) >> 9); 3136 } 3137 3138 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, 3139 input_section, output_bfd, 3140 error_message); 3141 } 3142 3143 /* Handle a mips16 GP relative reloc. */ 3145 3146 static bfd_reloc_status_type 3147 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3148 void *data, asection *input_section, bfd *output_bfd, 3149 char **error_message) 3150 { 3151 bfd_boolean relocatable; 3152 bfd_reloc_status_type ret; 3153 bfd_byte *location; 3154 bfd_vma gp; 3155 3156 /* If we're relocating, and this is an external symbol, we don't want 3157 to change anything. */ 3158 if (output_bfd != NULL 3159 && (symbol->flags & BSF_SECTION_SYM) == 0 3160 && (symbol->flags & BSF_LOCAL) != 0) 3161 { 3162 reloc_entry->address += input_section->output_offset; 3163 return bfd_reloc_ok; 3164 } 3165 3166 if (output_bfd != NULL) 3167 relocatable = TRUE; 3168 else 3169 { 3170 relocatable = FALSE; 3171 output_bfd = symbol->section->output_section->owner; 3172 } 3173 3174 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 3175 &gp); 3176 if (ret != bfd_reloc_ok) 3177 return ret; 3178 3179 location = (bfd_byte *) data + reloc_entry->address; 3180 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 3181 location); 3182 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3183 input_section, relocatable, 3184 data, gp); 3185 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 3186 location); 3187 3188 return ret; 3189 } 3190 3191 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 3193 3194 struct elf_reloc_map { 3195 bfd_reloc_code_real_type bfd_val; 3196 enum elf_mips_reloc_type elf_val; 3197 }; 3198 3199 static const struct elf_reloc_map mips_reloc_map[] = 3200 { 3201 { BFD_RELOC_NONE, R_MIPS_NONE }, 3202 { BFD_RELOC_16, R_MIPS_16 }, 3203 { BFD_RELOC_32, R_MIPS_32 }, 3204 /* There is no BFD reloc for R_MIPS_REL32. */ 3205 { BFD_RELOC_CTOR, R_MIPS_32 }, 3206 { BFD_RELOC_64, R_MIPS_64 }, 3207 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 3208 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 3209 { BFD_RELOC_LO16, R_MIPS_LO16 }, 3210 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 3211 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 3212 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 3213 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 3214 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 3215 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 3216 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, 3217 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, 3218 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 3219 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 3220 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 3221 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 3222 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 3223 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 3224 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, 3225 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, 3226 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, 3227 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, 3228 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, 3229 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 3230 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 3231 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, 3232 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, 3233 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ 3234 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, 3235 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 3236 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 3237 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 3238 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 3239 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 3240 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 3241 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 3242 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 3243 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 3244 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 3245 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 3246 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 3247 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 3248 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 3249 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 3250 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 3251 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 3252 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 3253 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 3254 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 3255 }; 3256 3257 static const struct elf_reloc_map mips16_reloc_map[] = 3258 { 3259 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 3260 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 3261 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 3262 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 3263 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 3264 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 3265 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 3266 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 3267 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 3268 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 3269 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 3270 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 3271 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 3272 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 3273 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, 3274 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } 3275 }; 3276 3277 static const struct elf_reloc_map micromips_reloc_map[] = 3278 { 3279 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 3280 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 3281 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 3282 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 3283 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 3284 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 3285 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 3286 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 3287 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 3288 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 3289 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 3290 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 3291 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 3292 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 3293 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 3294 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 3295 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 3296 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 3297 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 3298 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 3299 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 3300 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 3301 }; 3302 3303 /* Given a BFD reloc type, return a howto structure. */ 3304 3305 static reloc_howto_type * 3306 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3307 bfd_reloc_code_real_type code) 3308 { 3309 unsigned int i; 3310 /* FIXME: We default to RELA here instead of choosing the right 3311 relocation variant. */ 3312 reloc_howto_type *howto_table = elf_mips_howto_table_rela; 3313 reloc_howto_type *howto16_table = elf_mips16_howto_table_rela; 3314 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rela; 3315 3316 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 3317 i++) 3318 { 3319 if (mips_reloc_map[i].bfd_val == code) 3320 return &howto_table[(int) mips_reloc_map[i].elf_val]; 3321 } 3322 3323 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 3324 i++) 3325 { 3326 if (mips16_reloc_map[i].bfd_val == code) 3327 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 3328 } 3329 3330 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 3331 i++) 3332 { 3333 if (micromips_reloc_map[i].bfd_val == code) 3334 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 3335 } 3336 3337 switch (code) 3338 { 3339 case BFD_RELOC_VTABLE_INHERIT: 3340 return &elf_mips_gnu_vtinherit_howto; 3341 case BFD_RELOC_VTABLE_ENTRY: 3342 return &elf_mips_gnu_vtentry_howto; 3343 case BFD_RELOC_32_PCREL: 3344 return &elf_mips_gnu_pcrel32; 3345 case BFD_RELOC_MIPS_EH: 3346 return &elf_mips_eh_howto; 3347 case BFD_RELOC_MIPS_COPY: 3348 return &elf_mips_copy_howto; 3349 case BFD_RELOC_MIPS_JUMP_SLOT: 3350 return &elf_mips_jump_slot_howto; 3351 default: 3352 bfd_set_error (bfd_error_bad_value); 3353 return NULL; 3354 } 3355 } 3356 3357 static reloc_howto_type * 3358 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3359 const char *r_name) 3360 { 3361 unsigned int i; 3362 3363 for (i = 0; 3364 i < (sizeof (elf_mips_howto_table_rela) 3365 / sizeof (elf_mips_howto_table_rela[0])); 3366 i++) 3367 if (elf_mips_howto_table_rela[i].name != NULL 3368 && strcasecmp (elf_mips_howto_table_rela[i].name, r_name) == 0) 3369 return &elf_mips_howto_table_rela[i]; 3370 3371 for (i = 0; 3372 i < (sizeof (elf_mips16_howto_table_rela) 3373 / sizeof (elf_mips16_howto_table_rela[0])); 3374 i++) 3375 if (elf_mips16_howto_table_rela[i].name != NULL 3376 && strcasecmp (elf_mips16_howto_table_rela[i].name, r_name) == 0) 3377 return &elf_mips16_howto_table_rela[i]; 3378 3379 for (i = 0; 3380 i < (sizeof (elf_micromips_howto_table_rela) 3381 / sizeof (elf_micromips_howto_table_rela[0])); 3382 i++) 3383 if (elf_micromips_howto_table_rela[i].name != NULL 3384 && strcasecmp (elf_micromips_howto_table_rela[i].name, r_name) == 0) 3385 return &elf_micromips_howto_table_rela[i]; 3386 3387 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 3388 return &elf_mips_gnu_vtinherit_howto; 3389 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 3390 return &elf_mips_gnu_vtentry_howto; 3391 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 3392 return &elf_mips_gnu_rel16_s2; 3393 if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0) 3394 return &elf_mips_gnu_rela16_s2; 3395 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 3396 return &elf_mips_gnu_pcrel32; 3397 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 3398 return &elf_mips_eh_howto; 3399 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 3400 return &elf_mips_copy_howto; 3401 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 3402 return &elf_mips_jump_slot_howto; 3403 3404 return NULL; 3405 } 3406 3407 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 3408 3409 static reloc_howto_type * 3410 mips_elf_n32_rtype_to_howto (bfd *abfd, unsigned int r_type, bfd_boolean rela_p) 3411 { 3412 reloc_howto_type *howto = NULL; 3413 3414 switch (r_type) 3415 { 3416 case R_MIPS_GNU_VTINHERIT: 3417 return &elf_mips_gnu_vtinherit_howto; 3418 case R_MIPS_GNU_VTENTRY: 3419 return &elf_mips_gnu_vtentry_howto; 3420 case R_MIPS_GNU_REL16_S2: 3421 if (rela_p) 3422 return &elf_mips_gnu_rela16_s2; 3423 else 3424 return &elf_mips_gnu_rel16_s2; 3425 case R_MIPS_PC32: 3426 return &elf_mips_gnu_pcrel32; 3427 case R_MIPS_EH: 3428 return &elf_mips_eh_howto; 3429 case R_MIPS_COPY: 3430 return &elf_mips_copy_howto; 3431 case R_MIPS_JUMP_SLOT: 3432 return &elf_mips_jump_slot_howto; 3433 default: 3434 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 3435 { 3436 if (rela_p) 3437 howto = &elf_micromips_howto_table_rela[r_type - R_MICROMIPS_min]; 3438 else 3439 howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; 3440 } 3441 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 3442 { 3443 if (rela_p) 3444 howto = &elf_mips16_howto_table_rela[r_type - R_MIPS16_min]; 3445 else 3446 howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; 3447 } 3448 if (r_type < R_MIPS_max) 3449 { 3450 if (rela_p) 3451 howto = &elf_mips_howto_table_rela[r_type]; 3452 else 3453 howto = &elf_mips_howto_table_rel[r_type]; 3454 } 3455 if (howto != NULL && howto->name != NULL) 3456 return howto; 3457 3458 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 3459 abfd, r_type); 3460 bfd_set_error (bfd_error_bad_value); 3461 return NULL; 3462 } 3463 } 3464 3465 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 3466 3467 static bfd_boolean 3468 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 3469 { 3470 unsigned int r_type; 3471 3472 r_type = ELF32_R_TYPE (dst->r_info); 3473 cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, FALSE); 3474 3475 if (cache_ptr->howto == NULL) 3476 return FALSE; 3477 3478 /* The addend for a GPREL16 or LITERAL relocation comes from the GP 3479 value for the object file. We get the addend now, rather than 3480 when we do the relocation, because the symbol manipulations done 3481 by the linker may cause us to lose track of the input BFD. */ 3482 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 3483 && (gprel16_reloc_p (r_type) || r_type == (unsigned int) R_MIPS_LITERAL)) 3484 cache_ptr->addend = elf_gp (abfd); 3485 3486 return TRUE; 3487 } 3488 3489 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ 3490 3491 static bfd_boolean 3492 mips_info_to_howto_rela (bfd *abfd, 3493 arelent *cache_ptr, Elf_Internal_Rela *dst) 3494 { 3495 unsigned int r_type; 3496 3497 r_type = ELF32_R_TYPE (dst->r_info); 3498 cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, TRUE); 3499 cache_ptr->addend = dst->r_addend; 3500 return cache_ptr->howto != NULL; 3501 } 3502 3503 /* Determine whether a symbol is global for the purposes of splitting 3505 the symbol table into global symbols and local symbols. At least 3506 on Irix 5, this split must be between section symbols and all other 3507 symbols. On most ELF targets the split is between static symbols 3508 and externally visible symbols. */ 3509 3510 static bfd_boolean 3511 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) 3512 { 3513 if (SGI_COMPAT (abfd)) 3514 return (sym->flags & BSF_SECTION_SYM) == 0; 3515 else 3516 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 3517 || bfd_is_und_section (bfd_get_section (sym)) 3518 || bfd_is_com_section (bfd_get_section (sym))); 3519 } 3520 3521 /* Set the right machine number for a MIPS ELF file. */ 3523 3524 static bfd_boolean 3525 mips_elf_n32_object_p (bfd *abfd) 3526 { 3527 unsigned long mach; 3528 3529 if (!ABI_N32_P (abfd)) 3530 return FALSE; 3531 3532 /* Irix 5 and 6 are broken. Object file symbol tables are not always 3533 sorted correctly such that local symbols precede global symbols, 3534 and the sh_info field in the symbol table is not always right. */ 3535 if (SGI_COMPAT (abfd)) 3536 elf_bad_symtab (abfd) = TRUE; 3537 3538 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 3539 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 3540 return TRUE; 3541 } 3542 3543 /* Support for core dump NOTE sections. */ 3545 static bfd_boolean 3546 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 3547 { 3548 int offset; 3549 unsigned int size; 3550 3551 switch (note->descsz) 3552 { 3553 default: 3554 return FALSE; 3555 3556 case 440: /* Linux/MIPS N32 */ 3557 /* pr_cursig */ 3558 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 3559 3560 /* pr_pid */ 3561 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); 3562 3563 /* pr_reg */ 3564 offset = 72; 3565 size = 360; 3566 3567 break; 3568 } 3569 3570 /* Make a ".reg/999" section. */ 3571 return _bfd_elfcore_make_pseudosection (abfd, ".reg", size, 3572 note->descpos + offset); 3573 } 3574 3575 static bfd_boolean 3576 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 3577 { 3578 switch (note->descsz) 3579 { 3580 default: 3581 return FALSE; 3582 3583 case 128: /* Linux/MIPS elf_prpsinfo */ 3584 elf_tdata (abfd)->core->pid 3585 = bfd_get_32 (abfd, note->descdata + 16); 3586 elf_tdata (abfd)->core->program 3587 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); 3588 elf_tdata (abfd)->core->command 3589 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); 3590 } 3591 3592 /* Note that for some reason, a spurious space is tacked 3593 onto the end of the args in some (at least one anyway) 3594 implementations, so strip it off if it exists. */ 3595 3596 { 3597 char *command = elf_tdata (abfd)->core->command; 3598 int n = strlen (command); 3599 3600 if (0 < n && command[n - 1] == ' ') 3601 command[n - 1] = '\0'; 3602 } 3603 3604 return TRUE; 3605 } 3606 3607 static bfd_boolean 3608 elf_n32_mips_grok_freebsd_prstatus (bfd *abfd, Elf_Internal_Note *note) 3609 { 3610 size_t offset; 3611 size_t size; 3612 size_t min_size; 3613 3614 /* Compute offset of pr_getregsz, skipping over pr_statussz. 3615 Also compute minimum size of this note. */ 3616 offset = 4 + 4; 3617 min_size = offset + 4 * 2 + 4 + 4 + 4; 3618 3619 if (note->descsz < min_size) 3620 return FALSE; 3621 3622 /* Check for version 1 in pr_version. */ 3623 if (bfd_h_get_32 (abfd, (bfd_byte *) note->descdata) != 1) 3624 return FALSE; 3625 3626 /* Extract size of pr_reg from pr_gregsetsz. */ 3627 /* Skip over pr_gregsetsz and pr_fpregsetsz. */ 3628 size = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset); 3629 offset += 4 * 2; 3630 3631 /* Skip over pr_osreldate. */ 3632 offset += 4; 3633 3634 /* Read signal from pr_cursig. */ 3635 if (elf_tdata (abfd)->core->signal == 0) 3636 elf_tdata (abfd)->core->signal 3637 = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset); 3638 offset += 4; 3639 3640 /* Read TID from pr_pid. */ 3641 elf_tdata (abfd)->core->lwpid 3642 = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset); 3643 offset += 4; 3644 3645 /* Padding before pr_reg. */ 3646 offset += 4; 3647 3648 /* Make sure that there is enough data remaining in the note. */ 3649 if (note->descsz - offset < size) 3650 return FALSE; 3651 3652 /* Make a ".reg/999" section and a ".reg" section. */ 3653 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 3654 size, note->descpos + offset); 3655 } 3656 3657 /* Write Linux core PRSTATUS note into core file. */ 3658 3659 static char * 3660 elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, 3661 ...) 3662 { 3663 switch (note_type) 3664 { 3665 default: 3666 return NULL; 3667 3668 case NT_PRPSINFO: 3669 BFD_FAIL (); 3670 return NULL; 3671 3672 case NT_PRSTATUS: 3673 { 3674 char data[440]; 3675 va_list ap; 3676 long pid; 3677 int cursig; 3678 const void *greg; 3679 3680 va_start (ap, note_type); 3681 memset (data, 0, 72); 3682 pid = va_arg (ap, long); 3683 bfd_put_32 (abfd, pid, data + 24); 3684 cursig = va_arg (ap, int); 3685 bfd_put_16 (abfd, cursig, data + 12); 3686 greg = va_arg (ap, const void *); 3687 memcpy (data + 72, greg, 360); 3688 memset (data + 432, 0, 8); 3689 va_end (ap); 3690 return elfcore_write_note (abfd, buf, bufsiz, 3691 "CORE", note_type, data, sizeof (data)); 3692 } 3693 } 3694 } 3695 3696 /* MIPS ELF local labels start with "$L". */ 3698 static bfd_boolean 3699 mips_elf_n32_is_local_label_name (bfd *abfd, const char *name) 3700 { 3701 if (name[0] == '$' && name[1] == 'L') 3702 return TRUE; 3703 3704 /* We accept the generic ELF local label syntax as well. */ 3705 return _bfd_elf_is_local_label_name (abfd, name); 3706 } 3707 3708 /* Depending on the target vector we generate some version of Irix 3710 executables or "normal" MIPS ELF ABI executables. */ 3711 static irix_compat_t 3712 elf_n32_mips_irix_compat (bfd *abfd) 3713 { 3714 if ((abfd->xvec == &mips_elf32_n_be_vec) 3715 || (abfd->xvec == &mips_elf32_n_le_vec)) 3716 return ict_irix6; 3717 else 3718 return ict_none; 3719 } 3720 3721 /* Make an n32 MIPS object. We need to set the n32 ABI flag in 3723 `e_flags' to tell the object apart from an o32 object. */ 3724 3725 static bfd_boolean 3726 mips_elf_n32_mkobject (bfd *abfd) 3727 { 3728 bfd_boolean ret; 3729 3730 ret = _bfd_mips_elf_mkobject (abfd); 3731 if (ret) 3732 elf_elfheader (abfd)->e_flags |= EF_MIPS_ABI2; 3733 3734 return ret; 3735 } 3736 3737 /* ECOFF swapping routines. These are used when dealing with the 3739 .mdebug section, which is in the ECOFF debugging format. */ 3740 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { 3741 /* Symbol table magic number. */ 3742 magicSym, 3743 /* Alignment of debugging information. E.g., 4. */ 3744 4, 3745 /* Sizes of external symbolic information. */ 3746 sizeof (struct hdr_ext), 3747 sizeof (struct dnr_ext), 3748 sizeof (struct pdr_ext), 3749 sizeof (struct sym_ext), 3750 sizeof (struct opt_ext), 3751 sizeof (struct fdr_ext), 3752 sizeof (struct rfd_ext), 3753 sizeof (struct ext_ext), 3754 /* Functions to swap in external symbolic data. */ 3755 ecoff_swap_hdr_in, 3756 ecoff_swap_dnr_in, 3757 ecoff_swap_pdr_in, 3758 ecoff_swap_sym_in, 3759 ecoff_swap_opt_in, 3760 ecoff_swap_fdr_in, 3761 ecoff_swap_rfd_in, 3762 ecoff_swap_ext_in, 3763 _bfd_ecoff_swap_tir_in, 3764 _bfd_ecoff_swap_rndx_in, 3765 /* Functions to swap out external symbolic data. */ 3766 ecoff_swap_hdr_out, 3767 ecoff_swap_dnr_out, 3768 ecoff_swap_pdr_out, 3769 ecoff_swap_sym_out, 3770 ecoff_swap_opt_out, 3771 ecoff_swap_fdr_out, 3772 ecoff_swap_rfd_out, 3773 ecoff_swap_ext_out, 3774 _bfd_ecoff_swap_tir_out, 3775 _bfd_ecoff_swap_rndx_out, 3776 /* Function to read in symbolic data. */ 3777 _bfd_mips_elf_read_ecoff_info 3778 }; 3779 3780 #define ELF_ARCH bfd_arch_mips 3782 #define ELF_TARGET_ID MIPS_ELF_DATA 3783 #define ELF_MACHINE_CODE EM_MIPS 3784 3785 #define elf_backend_collect TRUE 3786 #define elf_backend_type_change_ok TRUE 3787 #define elf_backend_can_gc_sections TRUE 3788 #define elf_backend_gc_mark_extra_sections \ 3789 _bfd_mips_elf_gc_mark_extra_sections 3790 #define elf_info_to_howto mips_info_to_howto_rela 3791 #define elf_info_to_howto_rel mips_info_to_howto_rel 3792 #define elf_backend_sym_is_global mips_elf_sym_is_global 3793 #define elf_backend_object_p mips_elf_n32_object_p 3794 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 3795 #define elf_backend_section_processing _bfd_mips_elf_section_processing 3796 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 3797 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 3798 #define elf_backend_section_from_bfd_section \ 3799 _bfd_mips_elf_section_from_bfd_section 3800 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 3801 #define elf_backend_link_output_symbol_hook \ 3802 _bfd_mips_elf_link_output_symbol_hook 3803 #define elf_backend_create_dynamic_sections \ 3804 _bfd_mips_elf_create_dynamic_sections 3805 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 3806 #define elf_backend_merge_symbol_attribute \ 3807 _bfd_mips_elf_merge_symbol_attribute 3808 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 3809 #define elf_backend_adjust_dynamic_symbol \ 3810 _bfd_mips_elf_adjust_dynamic_symbol 3811 #define elf_backend_always_size_sections \ 3812 _bfd_mips_elf_always_size_sections 3813 #define elf_backend_size_dynamic_sections \ 3814 _bfd_mips_elf_size_dynamic_sections 3815 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 3816 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 3817 #define elf_backend_finish_dynamic_symbol \ 3818 _bfd_mips_elf_finish_dynamic_symbol 3819 #define elf_backend_finish_dynamic_sections \ 3820 _bfd_mips_elf_finish_dynamic_sections 3821 #define elf_backend_final_write_processing \ 3822 _bfd_mips_elf_final_write_processing 3823 #define elf_backend_additional_program_headers \ 3824 _bfd_mips_elf_additional_program_headers 3825 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 3826 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 3827 #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook 3828 #define elf_backend_copy_indirect_symbol \ 3829 _bfd_mips_elf_copy_indirect_symbol 3830 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus 3831 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo 3832 #define elf_backend_grok_freebsd_prstatus \ 3833 elf_n32_mips_grok_freebsd_prstatus 3834 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap 3835 3836 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) 3837 #define elf_backend_want_dynrelro 1 3838 3839 /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations 3840 work better/work only in RELA, so we default to this. */ 3841 #define elf_backend_may_use_rel_p 1 3842 #define elf_backend_may_use_rela_p 1 3843 #define elf_backend_default_use_rela_p 1 3844 #define elf_backend_rela_plts_and_copies_p 0 3845 #define elf_backend_sign_extend_vma TRUE 3846 #define elf_backend_plt_readonly 1 3847 #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val 3848 3849 #define elf_backend_discard_info _bfd_mips_elf_discard_info 3850 #define elf_backend_ignore_discarded_relocs \ 3851 _bfd_mips_elf_ignore_discarded_relocs 3852 #define elf_backend_write_section _bfd_mips_elf_write_section 3853 #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat 3854 #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto 3855 3856 #define bfd_elf32_bfd_is_local_label_name \ 3857 mips_elf_n32_is_local_label_name 3858 #define bfd_elf32_bfd_is_target_special_symbol \ 3859 _bfd_mips_elf_is_target_special_symbol 3860 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line 3861 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info 3862 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook 3863 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents 3864 #define bfd_elf32_bfd_get_relocated_section_contents \ 3865 _bfd_elf_mips_get_relocated_section_contents 3866 #define bfd_elf32_bfd_link_hash_table_create \ 3867 _bfd_mips_elf_link_hash_table_create 3868 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link 3869 #define bfd_elf32_bfd_merge_private_bfd_data \ 3870 _bfd_mips_elf_merge_private_bfd_data 3871 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags 3872 #define bfd_elf32_bfd_print_private_bfd_data \ 3873 _bfd_mips_elf_print_private_bfd_data 3874 #define bfd_elf32_mkobject mips_elf_n32_mkobject 3875 3876 /* Support for SGI-ish mips targets using n32 ABI. */ 3877 3878 #define TARGET_LITTLE_SYM mips_elf32_n_le_vec 3879 #define TARGET_LITTLE_NAME "elf32-nlittlemips" 3880 #define TARGET_BIG_SYM mips_elf32_n_be_vec 3881 #define TARGET_BIG_NAME "elf32-nbigmips" 3882 3883 #define ELF_MAXPAGESIZE 0x10000 3884 #define ELF_COMMONPAGESIZE 0x1000 3885 3886 #include "elf32-target.h" 3887 3888 /* Support for traditional mips targets using n32 ABI. */ 3889 #undef TARGET_LITTLE_SYM 3890 #undef TARGET_LITTLE_NAME 3891 #undef TARGET_BIG_SYM 3892 #undef TARGET_BIG_NAME 3893 3894 #undef ELF_MAXPAGESIZE 3895 #undef ELF_COMMONPAGESIZE 3896 3897 #define TARGET_LITTLE_SYM mips_elf32_ntrad_le_vec 3898 #define TARGET_LITTLE_NAME "elf32-ntradlittlemips" 3899 #define TARGET_BIG_SYM mips_elf32_ntrad_be_vec 3900 #define TARGET_BIG_NAME "elf32-ntradbigmips" 3901 3902 #define ELF_MAXPAGESIZE 0x10000 3903 #define ELF_COMMONPAGESIZE 0x1000 3904 #define elf32_bed elf32_tradbed 3905 3906 #undef elf_backend_write_core_note 3907 #define elf_backend_write_core_note elf32_mips_write_core_note 3908 3909 /* Include the target file again for this target. */ 3910 #include "elf32-target.h" 3911 3912 3913 /* FreeBSD support. */ 3914 3915 #undef TARGET_LITTLE_SYM 3916 #undef TARGET_LITTLE_NAME 3917 #undef TARGET_BIG_SYM 3918 #undef TARGET_BIG_NAME 3919 3920 #define TARGET_LITTLE_SYM mips_elf32_ntradfbsd_le_vec 3921 #define TARGET_LITTLE_NAME "elf32-ntradlittlemips-freebsd" 3922 #define TARGET_BIG_SYM mips_elf32_ntradfbsd_be_vec 3923 #define TARGET_BIG_NAME "elf32-ntradbigmips-freebsd" 3924 3925 #undef ELF_OSABI 3926 #define ELF_OSABI ELFOSABI_FREEBSD 3927 3928 #undef elf32_bed 3929 #define elf32_bed elf32_fbsd_tradbed 3930 3931 #undef elf_backend_write_core_note 3932 3933 #include "elf32-target.h" 3934
Indexes created Mon May 04 00:23:20 UTC 2026