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@cygnus.com>. 6 N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. 7 <mark@codesourcery.com> 8 Traditional MIPS targets support added by Koundinya.K, Dansk Data 9 Elektronik & Operations Research Group. <kk@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 #include "elf-vxworks.h" 42 43 /* Get the ECOFF swapping routines. */ 44 #include "coff/sym.h" 45 #include "coff/symconst.h" 46 #include "coff/internal.h" 47 #include "coff/ecoff.h" 48 #include "coff/mips.h" 49 #define ECOFF_SIGNED_32 50 #include "ecoffswap.h" 51 52 static bfd_reloc_status_type gprel32_with_gp 53 (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); 54 static bfd_reloc_status_type mips_elf_gprel32_reloc 55 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 56 static bfd_reloc_status_type mips32_64bit_reloc 57 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 58 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup 59 (bfd *, bfd_reloc_code_real_type); 60 static bfd_boolean mips_info_to_howto_rel 61 (bfd *, arelent *, Elf_Internal_Rela *); 62 static bfd_boolean mips_info_to_howto_rela 63 (bfd *, arelent *, Elf_Internal_Rela *); 64 static bfd_boolean mips_elf_sym_is_global 65 (bfd *, asymbol *); 66 static bfd_boolean mips_elf32_object_p 67 (bfd *); 68 static bfd_boolean mips_elf_is_local_label_name 69 (bfd *, const char *); 70 static bfd_reloc_status_type mips16_gprel_reloc 71 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 72 static bfd_reloc_status_type mips_elf_final_gp 73 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 74 static bfd_boolean mips_elf_assign_gp 75 (bfd *, bfd_vma *); 76 static bfd_boolean elf32_mips_grok_prstatus 77 (bfd *, Elf_Internal_Note *); 78 static bfd_boolean elf32_mips_grok_psinfo 79 (bfd *, Elf_Internal_Note *); 80 static irix_compat_t elf32_mips_irix_compat 81 (bfd *); 82 83 extern const bfd_target mips_elf32_be_vec; 84 extern const bfd_target mips_elf32_le_vec; 85 86 /* Nonzero if ABFD is using the N32 ABI. */ 87 #define ABI_N32_P(abfd) \ 88 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) 89 90 /* Whether we are trying to be compatible with IRIX at all. */ 91 #define SGI_COMPAT(abfd) \ 92 (elf32_mips_irix_compat (abfd) != ict_none) 93 94 /* The number of local .got entries we reserve. */ 95 #define MIPS_RESERVED_GOTNO (2) 96 97 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 98 from smaller values. Start with zero, widen, *then* decrement. */ 99 #define MINUS_ONE (((bfd_vma)0) - 1) 100 101 /* The relocation table used for SHT_REL sections. */ 102 103 static reloc_howto_type elf_mips_howto_table_rel[] = 104 { 105 /* No relocation. */ 106 HOWTO (R_MIPS_NONE, /* type */ 107 0, /* rightshift */ 108 3, /* size (0 = byte, 1 = short, 2 = long) */ 109 0, /* bitsize */ 110 FALSE, /* pc_relative */ 111 0, /* bitpos */ 112 complain_overflow_dont, /* complain_on_overflow */ 113 _bfd_mips_elf_generic_reloc, /* special_function */ 114 "R_MIPS_NONE", /* name */ 115 FALSE, /* partial_inplace */ 116 0, /* src_mask */ 117 0, /* dst_mask */ 118 FALSE), /* pcrel_offset */ 119 120 /* 16 bit relocation. */ 121 HOWTO (R_MIPS_16, /* type */ 122 0, /* rightshift */ 123 2, /* size (0 = byte, 1 = short, 2 = long) */ 124 16, /* bitsize */ 125 FALSE, /* pc_relative */ 126 0, /* bitpos */ 127 complain_overflow_signed, /* complain_on_overflow */ 128 _bfd_mips_elf_generic_reloc, /* special_function */ 129 "R_MIPS_16", /* name */ 130 TRUE, /* partial_inplace */ 131 0x0000ffff, /* src_mask */ 132 0x0000ffff, /* dst_mask */ 133 FALSE), /* pcrel_offset */ 134 135 /* 32 bit relocation. */ 136 HOWTO (R_MIPS_32, /* type */ 137 0, /* rightshift */ 138 2, /* size (0 = byte, 1 = short, 2 = long) */ 139 32, /* bitsize */ 140 FALSE, /* pc_relative */ 141 0, /* bitpos */ 142 complain_overflow_dont, /* complain_on_overflow */ 143 _bfd_mips_elf_generic_reloc, /* special_function */ 144 "R_MIPS_32", /* name */ 145 TRUE, /* partial_inplace */ 146 0xffffffff, /* src_mask */ 147 0xffffffff, /* dst_mask */ 148 FALSE), /* pcrel_offset */ 149 150 /* 32 bit symbol relative relocation. */ 151 HOWTO (R_MIPS_REL32, /* type */ 152 0, /* rightshift */ 153 2, /* size (0 = byte, 1 = short, 2 = long) */ 154 32, /* bitsize */ 155 FALSE, /* pc_relative */ 156 0, /* bitpos */ 157 complain_overflow_dont, /* complain_on_overflow */ 158 _bfd_mips_elf_generic_reloc, /* special_function */ 159 "R_MIPS_REL32", /* name */ 160 TRUE, /* partial_inplace */ 161 0xffffffff, /* src_mask */ 162 0xffffffff, /* dst_mask */ 163 FALSE), /* pcrel_offset */ 164 165 /* 26 bit jump address. */ 166 HOWTO (R_MIPS_26, /* type */ 167 2, /* rightshift */ 168 2, /* size (0 = byte, 1 = short, 2 = long) */ 169 26, /* bitsize */ 170 FALSE, /* pc_relative */ 171 0, /* bitpos */ 172 complain_overflow_dont, /* complain_on_overflow */ 173 /* This needs complex overflow 174 detection, because the upper four 175 bits must match the PC + 4. */ 176 _bfd_mips_elf_generic_reloc, /* special_function */ 177 "R_MIPS_26", /* name */ 178 TRUE, /* partial_inplace */ 179 0x03ffffff, /* src_mask */ 180 0x03ffffff, /* dst_mask */ 181 FALSE), /* pcrel_offset */ 182 183 /* High 16 bits of symbol value. */ 184 HOWTO (R_MIPS_HI16, /* type */ 185 16, /* rightshift */ 186 2, /* size (0 = byte, 1 = short, 2 = long) */ 187 16, /* bitsize */ 188 FALSE, /* pc_relative */ 189 0, /* bitpos */ 190 complain_overflow_dont, /* complain_on_overflow */ 191 _bfd_mips_elf_hi16_reloc, /* special_function */ 192 "R_MIPS_HI16", /* name */ 193 TRUE, /* partial_inplace */ 194 0x0000ffff, /* src_mask */ 195 0x0000ffff, /* dst_mask */ 196 FALSE), /* pcrel_offset */ 197 198 /* Low 16 bits of symbol value. */ 199 HOWTO (R_MIPS_LO16, /* type */ 200 0, /* rightshift */ 201 2, /* size (0 = byte, 1 = short, 2 = long) */ 202 16, /* bitsize */ 203 FALSE, /* pc_relative */ 204 0, /* bitpos */ 205 complain_overflow_dont, /* complain_on_overflow */ 206 _bfd_mips_elf_lo16_reloc, /* special_function */ 207 "R_MIPS_LO16", /* name */ 208 TRUE, /* partial_inplace */ 209 0x0000ffff, /* src_mask */ 210 0x0000ffff, /* dst_mask */ 211 FALSE), /* pcrel_offset */ 212 213 /* GP relative reference. */ 214 HOWTO (R_MIPS_GPREL16, /* type */ 215 0, /* rightshift */ 216 2, /* size (0 = byte, 1 = short, 2 = long) */ 217 16, /* bitsize */ 218 FALSE, /* pc_relative */ 219 0, /* bitpos */ 220 complain_overflow_signed, /* complain_on_overflow */ 221 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 222 "R_MIPS_GPREL16", /* name */ 223 TRUE, /* partial_inplace */ 224 0x0000ffff, /* src_mask */ 225 0x0000ffff, /* dst_mask */ 226 FALSE), /* pcrel_offset */ 227 228 /* Reference to literal section. */ 229 HOWTO (R_MIPS_LITERAL, /* type */ 230 0, /* rightshift */ 231 2, /* size (0 = byte, 1 = short, 2 = long) */ 232 16, /* bitsize */ 233 FALSE, /* pc_relative */ 234 0, /* bitpos */ 235 complain_overflow_signed, /* complain_on_overflow */ 236 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 237 "R_MIPS_LITERAL", /* name */ 238 TRUE, /* partial_inplace */ 239 0x0000ffff, /* src_mask */ 240 0x0000ffff, /* dst_mask */ 241 FALSE), /* pcrel_offset */ 242 243 /* Reference to global offset table. */ 244 HOWTO (R_MIPS_GOT16, /* type */ 245 0, /* rightshift */ 246 2, /* size (0 = byte, 1 = short, 2 = long) */ 247 16, /* bitsize */ 248 FALSE, /* pc_relative */ 249 0, /* bitpos */ 250 complain_overflow_signed, /* complain_on_overflow */ 251 _bfd_mips_elf_got16_reloc, /* special_function */ 252 "R_MIPS_GOT16", /* name */ 253 TRUE, /* partial_inplace */ 254 0x0000ffff, /* src_mask */ 255 0x0000ffff, /* dst_mask */ 256 FALSE), /* pcrel_offset */ 257 258 /* 16 bit PC relative reference. Note that the ABI document has a typo 259 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 260 We do the right thing here. */ 261 HOWTO (R_MIPS_PC16, /* type */ 262 2, /* rightshift */ 263 2, /* size (0 = byte, 1 = short, 2 = long) */ 264 16, /* bitsize */ 265 TRUE, /* pc_relative */ 266 0, /* bitpos */ 267 complain_overflow_signed, /* complain_on_overflow */ 268 _bfd_mips_elf_generic_reloc, /* special_function */ 269 "R_MIPS_PC16", /* name */ 270 TRUE, /* partial_inplace */ 271 0x0000ffff, /* src_mask */ 272 0x0000ffff, /* dst_mask */ 273 TRUE), /* pcrel_offset */ 274 275 /* 16 bit call through global offset table. */ 276 HOWTO (R_MIPS_CALL16, /* type */ 277 0, /* rightshift */ 278 2, /* size (0 = byte, 1 = short, 2 = long) */ 279 16, /* bitsize */ 280 FALSE, /* pc_relative */ 281 0, /* bitpos */ 282 complain_overflow_signed, /* complain_on_overflow */ 283 _bfd_mips_elf_generic_reloc, /* special_function */ 284 "R_MIPS_CALL16", /* name */ 285 TRUE, /* partial_inplace */ 286 0x0000ffff, /* src_mask */ 287 0x0000ffff, /* dst_mask */ 288 FALSE), /* pcrel_offset */ 289 290 /* 32 bit GP relative reference. */ 291 HOWTO (R_MIPS_GPREL32, /* type */ 292 0, /* rightshift */ 293 2, /* size (0 = byte, 1 = short, 2 = long) */ 294 32, /* bitsize */ 295 FALSE, /* pc_relative */ 296 0, /* bitpos */ 297 complain_overflow_dont, /* complain_on_overflow */ 298 mips_elf_gprel32_reloc, /* special_function */ 299 "R_MIPS_GPREL32", /* name */ 300 TRUE, /* partial_inplace */ 301 0xffffffff, /* src_mask */ 302 0xffffffff, /* dst_mask */ 303 FALSE), /* pcrel_offset */ 304 305 /* The remaining relocs are defined on Irix 5, although they are 306 not defined by the ABI. */ 307 EMPTY_HOWTO (13), 308 EMPTY_HOWTO (14), 309 EMPTY_HOWTO (15), 310 311 /* A 5 bit shift field. */ 312 HOWTO (R_MIPS_SHIFT5, /* type */ 313 0, /* rightshift */ 314 2, /* size (0 = byte, 1 = short, 2 = long) */ 315 5, /* bitsize */ 316 FALSE, /* pc_relative */ 317 6, /* bitpos */ 318 complain_overflow_bitfield, /* complain_on_overflow */ 319 _bfd_mips_elf_generic_reloc, /* special_function */ 320 "R_MIPS_SHIFT5", /* name */ 321 TRUE, /* partial_inplace */ 322 0x000007c0, /* src_mask */ 323 0x000007c0, /* dst_mask */ 324 FALSE), /* pcrel_offset */ 325 326 /* A 6 bit shift field. */ 327 /* FIXME: This is not handled correctly; a special function is 328 needed to put the most significant bit in the right place. */ 329 HOWTO (R_MIPS_SHIFT6, /* type */ 330 0, /* rightshift */ 331 2, /* size (0 = byte, 1 = short, 2 = long) */ 332 6, /* bitsize */ 333 FALSE, /* pc_relative */ 334 6, /* bitpos */ 335 complain_overflow_bitfield, /* complain_on_overflow */ 336 _bfd_mips_elf_generic_reloc, /* special_function */ 337 "R_MIPS_SHIFT6", /* name */ 338 TRUE, /* partial_inplace */ 339 0x000007c4, /* src_mask */ 340 0x000007c4, /* dst_mask */ 341 FALSE), /* pcrel_offset */ 342 343 /* A 64 bit relocation. */ 344 HOWTO (R_MIPS_64, /* type */ 345 0, /* rightshift */ 346 4, /* size (0 = byte, 1 = short, 2 = long) */ 347 64, /* bitsize */ 348 FALSE, /* pc_relative */ 349 0, /* bitpos */ 350 complain_overflow_dont, /* complain_on_overflow */ 351 mips32_64bit_reloc, /* special_function */ 352 "R_MIPS_64", /* name */ 353 TRUE, /* partial_inplace */ 354 MINUS_ONE, /* src_mask */ 355 MINUS_ONE, /* dst_mask */ 356 FALSE), /* pcrel_offset */ 357 358 /* Displacement in the global offset table. */ 359 HOWTO (R_MIPS_GOT_DISP, /* type */ 360 0, /* rightshift */ 361 2, /* size (0 = byte, 1 = short, 2 = long) */ 362 16, /* bitsize */ 363 FALSE, /* pc_relative */ 364 0, /* bitpos */ 365 complain_overflow_signed, /* complain_on_overflow */ 366 _bfd_mips_elf_generic_reloc, /* special_function */ 367 "R_MIPS_GOT_DISP", /* name */ 368 TRUE, /* partial_inplace */ 369 0x0000ffff, /* src_mask */ 370 0x0000ffff, /* dst_mask */ 371 FALSE), /* pcrel_offset */ 372 373 /* Displacement to page pointer in the global offset table. */ 374 HOWTO (R_MIPS_GOT_PAGE, /* type */ 375 0, /* rightshift */ 376 2, /* size (0 = byte, 1 = short, 2 = long) */ 377 16, /* bitsize */ 378 FALSE, /* pc_relative */ 379 0, /* bitpos */ 380 complain_overflow_signed, /* complain_on_overflow */ 381 _bfd_mips_elf_generic_reloc, /* special_function */ 382 "R_MIPS_GOT_PAGE", /* name */ 383 TRUE, /* partial_inplace */ 384 0x0000ffff, /* src_mask */ 385 0x0000ffff, /* dst_mask */ 386 FALSE), /* pcrel_offset */ 387 388 /* Offset from page pointer in the global offset table. */ 389 HOWTO (R_MIPS_GOT_OFST, /* type */ 390 0, /* rightshift */ 391 2, /* size (0 = byte, 1 = short, 2 = long) */ 392 16, /* bitsize */ 393 FALSE, /* pc_relative */ 394 0, /* bitpos */ 395 complain_overflow_signed, /* complain_on_overflow */ 396 _bfd_mips_elf_generic_reloc, /* special_function */ 397 "R_MIPS_GOT_OFST", /* name */ 398 TRUE, /* partial_inplace */ 399 0x0000ffff, /* src_mask */ 400 0x0000ffff, /* dst_mask */ 401 FALSE), /* pcrel_offset */ 402 403 /* High 16 bits of displacement in global offset table. */ 404 HOWTO (R_MIPS_GOT_HI16, /* type */ 405 0, /* rightshift */ 406 2, /* size (0 = byte, 1 = short, 2 = long) */ 407 16, /* bitsize */ 408 FALSE, /* pc_relative */ 409 0, /* bitpos */ 410 complain_overflow_dont, /* complain_on_overflow */ 411 _bfd_mips_elf_generic_reloc, /* special_function */ 412 "R_MIPS_GOT_HI16", /* name */ 413 TRUE, /* partial_inplace */ 414 0x0000ffff, /* src_mask */ 415 0x0000ffff, /* dst_mask */ 416 FALSE), /* pcrel_offset */ 417 418 /* Low 16 bits of displacement in global offset table. */ 419 HOWTO (R_MIPS_GOT_LO16, /* type */ 420 0, /* rightshift */ 421 2, /* size (0 = byte, 1 = short, 2 = long) */ 422 16, /* bitsize */ 423 FALSE, /* pc_relative */ 424 0, /* bitpos */ 425 complain_overflow_dont, /* complain_on_overflow */ 426 _bfd_mips_elf_generic_reloc, /* special_function */ 427 "R_MIPS_GOT_LO16", /* name */ 428 TRUE, /* partial_inplace */ 429 0x0000ffff, /* src_mask */ 430 0x0000ffff, /* dst_mask */ 431 FALSE), /* pcrel_offset */ 432 433 /* 64 bit subtraction. Used in the N32 ABI. */ 434 HOWTO (R_MIPS_SUB, /* type */ 435 0, /* rightshift */ 436 4, /* size (0 = byte, 1 = short, 2 = long) */ 437 64, /* bitsize */ 438 FALSE, /* pc_relative */ 439 0, /* bitpos */ 440 complain_overflow_dont, /* complain_on_overflow */ 441 _bfd_mips_elf_generic_reloc, /* special_function */ 442 "R_MIPS_SUB", /* name */ 443 TRUE, /* partial_inplace */ 444 MINUS_ONE, /* src_mask */ 445 MINUS_ONE, /* dst_mask */ 446 FALSE), /* pcrel_offset */ 447 448 /* Used to cause the linker to insert and delete instructions? */ 449 EMPTY_HOWTO (R_MIPS_INSERT_A), 450 EMPTY_HOWTO (R_MIPS_INSERT_B), 451 EMPTY_HOWTO (R_MIPS_DELETE), 452 453 /* Get the higher value of a 64 bit addend. */ 454 HOWTO (R_MIPS_HIGHER, /* type */ 455 0, /* rightshift */ 456 2, /* size (0 = byte, 1 = short, 2 = long) */ 457 16, /* bitsize */ 458 FALSE, /* pc_relative */ 459 0, /* bitpos */ 460 complain_overflow_dont, /* complain_on_overflow */ 461 _bfd_mips_elf_generic_reloc, /* special_function */ 462 "R_MIPS_HIGHER", /* name */ 463 TRUE, /* partial_inplace */ 464 0x0000ffff, /* src_mask */ 465 0x0000ffff, /* dst_mask */ 466 FALSE), /* pcrel_offset */ 467 468 /* Get the highest value of a 64 bit addend. */ 469 HOWTO (R_MIPS_HIGHEST, /* type */ 470 0, /* rightshift */ 471 2, /* size (0 = byte, 1 = short, 2 = long) */ 472 16, /* bitsize */ 473 FALSE, /* pc_relative */ 474 0, /* bitpos */ 475 complain_overflow_dont, /* complain_on_overflow */ 476 _bfd_mips_elf_generic_reloc, /* special_function */ 477 "R_MIPS_HIGHEST", /* name */ 478 TRUE, /* partial_inplace */ 479 0x0000ffff, /* src_mask */ 480 0x0000ffff, /* dst_mask */ 481 FALSE), /* pcrel_offset */ 482 483 /* High 16 bits of displacement in global offset table. */ 484 HOWTO (R_MIPS_CALL_HI16, /* type */ 485 0, /* rightshift */ 486 2, /* size (0 = byte, 1 = short, 2 = long) */ 487 16, /* bitsize */ 488 FALSE, /* pc_relative */ 489 0, /* bitpos */ 490 complain_overflow_dont, /* complain_on_overflow */ 491 _bfd_mips_elf_generic_reloc, /* special_function */ 492 "R_MIPS_CALL_HI16", /* name */ 493 TRUE, /* partial_inplace */ 494 0x0000ffff, /* src_mask */ 495 0x0000ffff, /* dst_mask */ 496 FALSE), /* pcrel_offset */ 497 498 /* Low 16 bits of displacement in global offset table. */ 499 HOWTO (R_MIPS_CALL_LO16, /* type */ 500 0, /* rightshift */ 501 2, /* size (0 = byte, 1 = short, 2 = long) */ 502 16, /* bitsize */ 503 FALSE, /* pc_relative */ 504 0, /* bitpos */ 505 complain_overflow_dont, /* complain_on_overflow */ 506 _bfd_mips_elf_generic_reloc, /* special_function */ 507 "R_MIPS_CALL_LO16", /* name */ 508 TRUE, /* partial_inplace */ 509 0x0000ffff, /* src_mask */ 510 0x0000ffff, /* dst_mask */ 511 FALSE), /* pcrel_offset */ 512 513 /* Section displacement. */ 514 HOWTO (R_MIPS_SCN_DISP, /* type */ 515 0, /* rightshift */ 516 2, /* size (0 = byte, 1 = short, 2 = long) */ 517 32, /* bitsize */ 518 FALSE, /* pc_relative */ 519 0, /* bitpos */ 520 complain_overflow_dont, /* complain_on_overflow */ 521 _bfd_mips_elf_generic_reloc, /* special_function */ 522 "R_MIPS_SCN_DISP", /* name */ 523 TRUE, /* partial_inplace */ 524 0xffffffff, /* src_mask */ 525 0xffffffff, /* dst_mask */ 526 FALSE), /* pcrel_offset */ 527 528 EMPTY_HOWTO (R_MIPS_REL16), 529 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 530 EMPTY_HOWTO (R_MIPS_PJUMP), 531 EMPTY_HOWTO (R_MIPS_RELGOT), 532 533 /* Protected jump conversion. This is an optimization hint. No 534 relocation is required for correctness. */ 535 HOWTO (R_MIPS_JALR, /* type */ 536 0, /* rightshift */ 537 2, /* size (0 = byte, 1 = short, 2 = long) */ 538 32, /* bitsize */ 539 FALSE, /* pc_relative */ 540 0, /* bitpos */ 541 complain_overflow_dont, /* complain_on_overflow */ 542 _bfd_mips_elf_generic_reloc, /* special_function */ 543 "R_MIPS_JALR", /* name */ 544 FALSE, /* partial_inplace */ 545 0x00000000, /* src_mask */ 546 0x00000000, /* dst_mask */ 547 FALSE), /* pcrel_offset */ 548 549 /* TLS GD/LD dynamic relocations. */ 550 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ 551 0, /* rightshift */ 552 2, /* size (0 = byte, 1 = short, 2 = long) */ 553 32, /* bitsize */ 554 FALSE, /* pc_relative */ 555 0, /* bitpos */ 556 complain_overflow_dont, /* complain_on_overflow */ 557 _bfd_mips_elf_generic_reloc, /* special_function */ 558 "R_MIPS_TLS_DTPMOD32", /* name */ 559 TRUE, /* partial_inplace */ 560 0xffffffff, /* src_mask */ 561 0xffffffff, /* dst_mask */ 562 FALSE), /* pcrel_offset */ 563 564 HOWTO (R_MIPS_TLS_DTPREL32, /* type */ 565 0, /* rightshift */ 566 2, /* size (0 = byte, 1 = short, 2 = long) */ 567 32, /* bitsize */ 568 FALSE, /* pc_relative */ 569 0, /* bitpos */ 570 complain_overflow_dont, /* complain_on_overflow */ 571 _bfd_mips_elf_generic_reloc, /* special_function */ 572 "R_MIPS_TLS_DTPREL32", /* name */ 573 TRUE, /* partial_inplace */ 574 0xffffffff, /* src_mask */ 575 0xffffffff, /* dst_mask */ 576 FALSE), /* pcrel_offset */ 577 578 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), 579 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), 580 581 /* TLS general dynamic variable reference. */ 582 HOWTO (R_MIPS_TLS_GD, /* type */ 583 0, /* rightshift */ 584 2, /* size (0 = byte, 1 = short, 2 = long) */ 585 16, /* bitsize */ 586 FALSE, /* pc_relative */ 587 0, /* bitpos */ 588 complain_overflow_signed, /* complain_on_overflow */ 589 _bfd_mips_elf_generic_reloc, /* special_function */ 590 "R_MIPS_TLS_GD", /* name */ 591 TRUE, /* partial_inplace */ 592 0x0000ffff, /* src_mask */ 593 0x0000ffff, /* dst_mask */ 594 FALSE), /* pcrel_offset */ 595 596 /* TLS local dynamic variable reference. */ 597 HOWTO (R_MIPS_TLS_LDM, /* type */ 598 0, /* rightshift */ 599 2, /* size (0 = byte, 1 = short, 2 = long) */ 600 16, /* bitsize */ 601 FALSE, /* pc_relative */ 602 0, /* bitpos */ 603 complain_overflow_signed, /* complain_on_overflow */ 604 _bfd_mips_elf_generic_reloc, /* special_function */ 605 "R_MIPS_TLS_LDM", /* name */ 606 TRUE, /* partial_inplace */ 607 0x0000ffff, /* src_mask */ 608 0x0000ffff, /* dst_mask */ 609 FALSE), /* pcrel_offset */ 610 611 /* TLS local dynamic offset. */ 612 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 613 0, /* rightshift */ 614 2, /* size (0 = byte, 1 = short, 2 = long) */ 615 16, /* bitsize */ 616 FALSE, /* pc_relative */ 617 0, /* bitpos */ 618 complain_overflow_signed, /* complain_on_overflow */ 619 _bfd_mips_elf_generic_reloc, /* special_function */ 620 "R_MIPS_TLS_DTPREL_HI16", /* name */ 621 TRUE, /* partial_inplace */ 622 0x0000ffff, /* src_mask */ 623 0x0000ffff, /* dst_mask */ 624 FALSE), /* pcrel_offset */ 625 626 /* TLS local dynamic offset. */ 627 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 628 0, /* rightshift */ 629 2, /* size (0 = byte, 1 = short, 2 = long) */ 630 16, /* bitsize */ 631 FALSE, /* pc_relative */ 632 0, /* bitpos */ 633 complain_overflow_signed, /* complain_on_overflow */ 634 _bfd_mips_elf_generic_reloc, /* special_function */ 635 "R_MIPS_TLS_DTPREL_LO16", /* name */ 636 TRUE, /* partial_inplace */ 637 0x0000ffff, /* src_mask */ 638 0x0000ffff, /* dst_mask */ 639 FALSE), /* pcrel_offset */ 640 641 /* TLS thread pointer offset. */ 642 HOWTO (R_MIPS_TLS_GOTTPREL, /* 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_GOTTPREL", /* name */ 651 TRUE, /* partial_inplace */ 652 0x0000ffff, /* src_mask */ 653 0x0000ffff, /* dst_mask */ 654 FALSE), /* pcrel_offset */ 655 656 /* TLS IE dynamic relocations. */ 657 HOWTO (R_MIPS_TLS_TPREL32, /* type */ 658 0, /* rightshift */ 659 2, /* size (0 = byte, 1 = short, 2 = long) */ 660 32, /* bitsize */ 661 FALSE, /* pc_relative */ 662 0, /* bitpos */ 663 complain_overflow_dont, /* complain_on_overflow */ 664 _bfd_mips_elf_generic_reloc, /* special_function */ 665 "R_MIPS_TLS_TPREL32", /* name */ 666 TRUE, /* partial_inplace */ 667 0xffffffff, /* src_mask */ 668 0xffffffff, /* dst_mask */ 669 FALSE), /* pcrel_offset */ 670 671 EMPTY_HOWTO (R_MIPS_TLS_TPREL64), 672 673 /* TLS thread pointer offset. */ 674 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 675 0, /* rightshift */ 676 2, /* size (0 = byte, 1 = short, 2 = long) */ 677 16, /* bitsize */ 678 FALSE, /* pc_relative */ 679 0, /* bitpos */ 680 complain_overflow_signed, /* complain_on_overflow */ 681 _bfd_mips_elf_generic_reloc, /* special_function */ 682 "R_MIPS_TLS_TPREL_HI16", /* name */ 683 TRUE, /* partial_inplace */ 684 0x0000ffff, /* src_mask */ 685 0x0000ffff, /* dst_mask */ 686 FALSE), /* pcrel_offset */ 687 688 /* TLS thread pointer offset. */ 689 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 690 0, /* rightshift */ 691 2, /* size (0 = byte, 1 = short, 2 = long) */ 692 16, /* bitsize */ 693 FALSE, /* pc_relative */ 694 0, /* bitpos */ 695 complain_overflow_signed, /* complain_on_overflow */ 696 _bfd_mips_elf_generic_reloc, /* special_function */ 697 "R_MIPS_TLS_TPREL_LO16", /* name */ 698 TRUE, /* partial_inplace */ 699 0x0000ffff, /* src_mask */ 700 0x0000ffff, /* dst_mask */ 701 FALSE), /* pcrel_offset */ 702 703 /* 32 bit relocation with no addend. */ 704 HOWTO (R_MIPS_GLOB_DAT, /* type */ 705 0, /* rightshift */ 706 2, /* size (0 = byte, 1 = short, 2 = long) */ 707 32, /* bitsize */ 708 FALSE, /* pc_relative */ 709 0, /* bitpos */ 710 complain_overflow_dont, /* complain_on_overflow */ 711 _bfd_mips_elf_generic_reloc, /* special_function */ 712 "R_MIPS_GLOB_DAT", /* name */ 713 FALSE, /* partial_inplace */ 714 0x0, /* src_mask */ 715 0xffffffff, /* dst_mask */ 716 FALSE), /* pcrel_offset */ 717 718 EMPTY_HOWTO (52), 719 EMPTY_HOWTO (53), 720 EMPTY_HOWTO (54), 721 EMPTY_HOWTO (55), 722 EMPTY_HOWTO (56), 723 EMPTY_HOWTO (57), 724 EMPTY_HOWTO (58), 725 EMPTY_HOWTO (59), 726 727 HOWTO (R_MIPS_PC21_S2, /* type */ 728 2, /* rightshift */ 729 2, /* size (0 = byte, 1 = short, 2 = long) */ 730 21, /* bitsize */ 731 TRUE, /* pc_relative */ 732 0, /* bitpos */ 733 complain_overflow_signed, /* complain_on_overflow */ 734 _bfd_mips_elf_generic_reloc, /* special_function */ 735 "R_MIPS_PC21_S2", /* name */ 736 TRUE, /* partial_inplace */ 737 0x001fffff, /* src_mask */ 738 0x001fffff, /* dst_mask */ 739 TRUE), /* pcrel_offset */ 740 741 HOWTO (R_MIPS_PC26_S2, /* type */ 742 2, /* rightshift */ 743 2, /* size (0 = byte, 1 = short, 2 = long) */ 744 26, /* bitsize */ 745 TRUE, /* pc_relative */ 746 0, /* bitpos */ 747 complain_overflow_signed, /* complain_on_overflow */ 748 _bfd_mips_elf_generic_reloc, /* special_function */ 749 "R_MIPS_PC26_S2", /* name */ 750 TRUE, /* partial_inplace */ 751 0x03ffffff, /* src_mask */ 752 0x03ffffff, /* dst_mask */ 753 TRUE), /* pcrel_offset */ 754 755 HOWTO (R_MIPS_PC18_S3, /* type */ 756 3, /* rightshift */ 757 2, /* size (0 = byte, 1 = short, 2 = long) */ 758 18, /* bitsize */ 759 TRUE, /* pc_relative */ 760 0, /* bitpos */ 761 complain_overflow_signed, /* complain_on_overflow */ 762 _bfd_mips_elf_generic_reloc, /* special_function */ 763 "R_MIPS_PC18_S3", /* name */ 764 TRUE, /* partial_inplace */ 765 0x0003ffff, /* src_mask */ 766 0x0003ffff, /* dst_mask */ 767 TRUE), /* pcrel_offset */ 768 769 HOWTO (R_MIPS_PC19_S2, /* type */ 770 2, /* rightshift */ 771 2, /* size (0 = byte, 1 = short, 2 = long) */ 772 19, /* bitsize */ 773 TRUE, /* pc_relative */ 774 0, /* bitpos */ 775 complain_overflow_signed, /* complain_on_overflow */ 776 _bfd_mips_elf_generic_reloc, /* special_function */ 777 "R_MIPS_PC19_S2", /* name */ 778 TRUE, /* partial_inplace */ 779 0x0007ffff, /* src_mask */ 780 0x0007ffff, /* dst_mask */ 781 TRUE), /* pcrel_offset */ 782 783 HOWTO (R_MIPS_PCHI16, /* type */ 784 16, /* rightshift */ 785 2, /* size (0 = byte, 1 = short, 2 = long) */ 786 16, /* bitsize */ 787 TRUE, /* pc_relative */ 788 0, /* bitpos */ 789 complain_overflow_signed, /* complain_on_overflow */ 790 _bfd_mips_elf_generic_reloc, /* special_function */ 791 "R_MIPS_PCHI16", /* name */ 792 TRUE, /* partial_inplace */ 793 0x0000ffff, /* src_mask */ 794 0x0000ffff, /* dst_mask */ 795 TRUE), /* pcrel_offset */ 796 797 HOWTO (R_MIPS_PCLO16, /* type */ 798 0, /* rightshift */ 799 2, /* size (0 = byte, 1 = short, 2 = long) */ 800 16, /* bitsize */ 801 TRUE, /* pc_relative */ 802 0, /* bitpos */ 803 complain_overflow_dont, /* complain_on_overflow */ 804 _bfd_mips_elf_generic_reloc, /* special_function */ 805 "R_MIPS_PCLO16", /* name */ 806 TRUE, /* partial_inplace */ 807 0x0000ffff, /* src_mask */ 808 0x0000ffff, /* dst_mask */ 809 TRUE), /* pcrel_offset */ 810 }; 811 812 /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This 813 is a hack to make the linker think that we need 64 bit values. */ 814 static reloc_howto_type elf_mips_ctor64_howto = 815 HOWTO (R_MIPS_64, /* type */ 816 0, /* rightshift */ 817 4, /* size (0 = byte, 1 = short, 2 = long) */ 818 32, /* bitsize */ 819 FALSE, /* pc_relative */ 820 0, /* bitpos */ 821 complain_overflow_signed, /* complain_on_overflow */ 822 mips32_64bit_reloc, /* special_function */ 823 "R_MIPS_64", /* name */ 824 TRUE, /* partial_inplace */ 825 0xffffffff, /* src_mask */ 826 0xffffffff, /* dst_mask */ 827 FALSE); /* pcrel_offset */ 828 829 static reloc_howto_type elf_mips16_howto_table_rel[] = 830 { 831 /* The reloc used for the mips16 jump instruction. */ 832 HOWTO (R_MIPS16_26, /* type */ 833 2, /* rightshift */ 834 2, /* size (0 = byte, 1 = short, 2 = long) */ 835 26, /* bitsize */ 836 FALSE, /* pc_relative */ 837 0, /* bitpos */ 838 complain_overflow_dont, /* complain_on_overflow */ 839 /* This needs complex overflow 840 detection, because the upper four 841 bits must match the PC. */ 842 _bfd_mips_elf_generic_reloc, /* special_function */ 843 "R_MIPS16_26", /* name */ 844 TRUE, /* partial_inplace */ 845 0x3ffffff, /* src_mask */ 846 0x3ffffff, /* dst_mask */ 847 FALSE), /* pcrel_offset */ 848 849 /* The reloc used for the mips16 gprel instruction. */ 850 HOWTO (R_MIPS16_GPREL, /* type */ 851 0, /* rightshift */ 852 2, /* size (0 = byte, 1 = short, 2 = long) */ 853 16, /* bitsize */ 854 FALSE, /* pc_relative */ 855 0, /* bitpos */ 856 complain_overflow_signed, /* complain_on_overflow */ 857 mips16_gprel_reloc, /* special_function */ 858 "R_MIPS16_GPREL", /* name */ 859 TRUE, /* partial_inplace */ 860 0x0000ffff, /* src_mask */ 861 0x0000ffff, /* dst_mask */ 862 FALSE), /* pcrel_offset */ 863 864 /* A MIPS16 reference to the global offset table. */ 865 HOWTO (R_MIPS16_GOT16, /* type */ 866 0, /* rightshift */ 867 2, /* size (0 = byte, 1 = short, 2 = long) */ 868 16, /* bitsize */ 869 FALSE, /* pc_relative */ 870 0, /* bitpos */ 871 complain_overflow_dont, /* complain_on_overflow */ 872 _bfd_mips_elf_got16_reloc, /* special_function */ 873 "R_MIPS16_GOT16", /* name */ 874 TRUE, /* partial_inplace */ 875 0x0000ffff, /* src_mask */ 876 0x0000ffff, /* dst_mask */ 877 FALSE), /* pcrel_offset */ 878 879 /* A MIPS16 call through the global offset table. */ 880 HOWTO (R_MIPS16_CALL16, /* type */ 881 0, /* rightshift */ 882 2, /* size (0 = byte, 1 = short, 2 = long) */ 883 16, /* bitsize */ 884 FALSE, /* pc_relative */ 885 0, /* bitpos */ 886 complain_overflow_dont, /* complain_on_overflow */ 887 _bfd_mips_elf_generic_reloc, /* special_function */ 888 "R_MIPS16_CALL16", /* name */ 889 TRUE, /* partial_inplace */ 890 0x0000ffff, /* src_mask */ 891 0x0000ffff, /* dst_mask */ 892 FALSE), /* pcrel_offset */ 893 894 /* MIPS16 high 16 bits of symbol value. */ 895 HOWTO (R_MIPS16_HI16, /* type */ 896 16, /* rightshift */ 897 2, /* size (0 = byte, 1 = short, 2 = long) */ 898 16, /* bitsize */ 899 FALSE, /* pc_relative */ 900 0, /* bitpos */ 901 complain_overflow_dont, /* complain_on_overflow */ 902 _bfd_mips_elf_hi16_reloc, /* special_function */ 903 "R_MIPS16_HI16", /* name */ 904 TRUE, /* partial_inplace */ 905 0x0000ffff, /* src_mask */ 906 0x0000ffff, /* dst_mask */ 907 FALSE), /* pcrel_offset */ 908 909 /* MIPS16 low 16 bits of symbol value. */ 910 HOWTO (R_MIPS16_LO16, /* type */ 911 0, /* rightshift */ 912 2, /* size (0 = byte, 1 = short, 2 = long) */ 913 16, /* bitsize */ 914 FALSE, /* pc_relative */ 915 0, /* bitpos */ 916 complain_overflow_dont, /* complain_on_overflow */ 917 _bfd_mips_elf_lo16_reloc, /* special_function */ 918 "R_MIPS16_LO16", /* name */ 919 TRUE, /* partial_inplace */ 920 0x0000ffff, /* src_mask */ 921 0x0000ffff, /* dst_mask */ 922 FALSE), /* pcrel_offset */ 923 924 /* MIPS16 TLS general dynamic variable reference. */ 925 HOWTO (R_MIPS16_TLS_GD, /* type */ 926 0, /* rightshift */ 927 2, /* size (0 = byte, 1 = short, 2 = long) */ 928 16, /* bitsize */ 929 FALSE, /* pc_relative */ 930 0, /* bitpos */ 931 complain_overflow_signed, /* complain_on_overflow */ 932 _bfd_mips_elf_generic_reloc, /* special_function */ 933 "R_MIPS16_TLS_GD", /* name */ 934 TRUE, /* partial_inplace */ 935 0x0000ffff, /* src_mask */ 936 0x0000ffff, /* dst_mask */ 937 FALSE), /* pcrel_offset */ 938 939 /* MIPS16 TLS local dynamic variable reference. */ 940 HOWTO (R_MIPS16_TLS_LDM, /* type */ 941 0, /* rightshift */ 942 2, /* size (0 = byte, 1 = short, 2 = long) */ 943 16, /* bitsize */ 944 FALSE, /* pc_relative */ 945 0, /* bitpos */ 946 complain_overflow_signed, /* complain_on_overflow */ 947 _bfd_mips_elf_generic_reloc, /* special_function */ 948 "R_MIPS16_TLS_LDM", /* name */ 949 TRUE, /* partial_inplace */ 950 0x0000ffff, /* src_mask */ 951 0x0000ffff, /* dst_mask */ 952 FALSE), /* pcrel_offset */ 953 954 /* MIPS16 TLS local dynamic offset. */ 955 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 956 0, /* rightshift */ 957 2, /* size (0 = byte, 1 = short, 2 = long) */ 958 16, /* bitsize */ 959 FALSE, /* pc_relative */ 960 0, /* bitpos */ 961 complain_overflow_signed, /* complain_on_overflow */ 962 _bfd_mips_elf_generic_reloc, /* special_function */ 963 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 964 TRUE, /* partial_inplace */ 965 0x0000ffff, /* src_mask */ 966 0x0000ffff, /* dst_mask */ 967 FALSE), /* pcrel_offset */ 968 969 /* MIPS16 TLS local dynamic offset. */ 970 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 971 0, /* rightshift */ 972 2, /* size (0 = byte, 1 = short, 2 = long) */ 973 16, /* bitsize */ 974 FALSE, /* pc_relative */ 975 0, /* bitpos */ 976 complain_overflow_signed, /* complain_on_overflow */ 977 _bfd_mips_elf_generic_reloc, /* special_function */ 978 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 979 TRUE, /* partial_inplace */ 980 0x0000ffff, /* src_mask */ 981 0x0000ffff, /* dst_mask */ 982 FALSE), /* pcrel_offset */ 983 984 /* MIPS16 TLS thread pointer offset. */ 985 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 986 0, /* rightshift */ 987 2, /* size (0 = byte, 1 = short, 2 = long) */ 988 16, /* bitsize */ 989 FALSE, /* pc_relative */ 990 0, /* bitpos */ 991 complain_overflow_signed, /* complain_on_overflow */ 992 _bfd_mips_elf_generic_reloc, /* special_function */ 993 "R_MIPS16_TLS_GOTTPREL", /* name */ 994 TRUE, /* partial_inplace */ 995 0x0000ffff, /* src_mask */ 996 0x0000ffff, /* dst_mask */ 997 FALSE), /* pcrel_offset */ 998 999 /* MIPS16 TLS thread pointer offset. */ 1000 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1001 0, /* rightshift */ 1002 2, /* size (0 = byte, 1 = short, 2 = long) */ 1003 16, /* bitsize */ 1004 FALSE, /* pc_relative */ 1005 0, /* bitpos */ 1006 complain_overflow_signed, /* complain_on_overflow */ 1007 _bfd_mips_elf_generic_reloc, /* special_function */ 1008 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1009 TRUE, /* partial_inplace */ 1010 0x0000ffff, /* src_mask */ 1011 0x0000ffff, /* dst_mask */ 1012 FALSE), /* pcrel_offset */ 1013 1014 /* MIPS16 TLS thread pointer offset. */ 1015 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1016 0, /* rightshift */ 1017 2, /* size (0 = byte, 1 = short, 2 = long) */ 1018 16, /* bitsize */ 1019 FALSE, /* pc_relative */ 1020 0, /* bitpos */ 1021 complain_overflow_signed, /* complain_on_overflow */ 1022 _bfd_mips_elf_generic_reloc, /* special_function */ 1023 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1024 TRUE, /* partial_inplace */ 1025 0x0000ffff, /* src_mask */ 1026 0x0000ffff, /* dst_mask */ 1027 FALSE), /* pcrel_offset */ 1028 1029 /* MIPS16 16-bit PC-relative branch offset. */ 1030 HOWTO (R_MIPS16_PC16_S1, /* type */ 1031 1, /* rightshift */ 1032 2, /* size (0 = byte, 1 = short, 2 = long) */ 1033 16, /* bitsize */ 1034 TRUE, /* pc_relative */ 1035 0, /* bitpos */ 1036 complain_overflow_signed, /* complain_on_overflow */ 1037 _bfd_mips_elf_generic_reloc, /* special_function */ 1038 "R_MIPS16_PC16_S1", /* name */ 1039 TRUE, /* partial_inplace */ 1040 0x0000ffff, /* src_mask */ 1041 0x0000ffff, /* dst_mask */ 1042 TRUE), /* pcrel_offset */ 1043 }; 1044 1045 static reloc_howto_type elf_micromips_howto_table_rel[] = 1046 { 1047 EMPTY_HOWTO (130), 1048 EMPTY_HOWTO (131), 1049 EMPTY_HOWTO (132), 1050 1051 /* 26 bit jump address. */ 1052 HOWTO (R_MICROMIPS_26_S1, /* type */ 1053 1, /* rightshift */ 1054 2, /* size (0 = byte, 1 = short, 2 = long) */ 1055 26, /* bitsize */ 1056 FALSE, /* pc_relative */ 1057 0, /* bitpos */ 1058 complain_overflow_dont, /* complain_on_overflow */ 1059 /* This needs complex overflow 1060 detection, because the upper four 1061 bits must match the PC. */ 1062 _bfd_mips_elf_generic_reloc, /* special_function */ 1063 "R_MICROMIPS_26_S1", /* name */ 1064 TRUE, /* partial_inplace */ 1065 0x3ffffff, /* src_mask */ 1066 0x3ffffff, /* dst_mask */ 1067 FALSE), /* pcrel_offset */ 1068 1069 /* High 16 bits of symbol value. */ 1070 HOWTO (R_MICROMIPS_HI16, /* type */ 1071 16, /* rightshift */ 1072 2, /* size (0 = byte, 1 = short, 2 = long) */ 1073 16, /* bitsize */ 1074 FALSE, /* pc_relative */ 1075 0, /* bitpos */ 1076 complain_overflow_dont, /* complain_on_overflow */ 1077 _bfd_mips_elf_hi16_reloc, /* special_function */ 1078 "R_MICROMIPS_HI16", /* name */ 1079 TRUE, /* partial_inplace */ 1080 0x0000ffff, /* src_mask */ 1081 0x0000ffff, /* dst_mask */ 1082 FALSE), /* pcrel_offset */ 1083 1084 /* Low 16 bits of symbol value. */ 1085 HOWTO (R_MICROMIPS_LO16, /* type */ 1086 0, /* rightshift */ 1087 2, /* size (0 = byte, 1 = short, 2 = long) */ 1088 16, /* bitsize */ 1089 FALSE, /* pc_relative */ 1090 0, /* bitpos */ 1091 complain_overflow_dont, /* complain_on_overflow */ 1092 _bfd_mips_elf_lo16_reloc, /* special_function */ 1093 "R_MICROMIPS_LO16", /* name */ 1094 TRUE, /* partial_inplace */ 1095 0x0000ffff, /* src_mask */ 1096 0x0000ffff, /* dst_mask */ 1097 FALSE), /* pcrel_offset */ 1098 1099 /* GP relative reference. */ 1100 HOWTO (R_MICROMIPS_GPREL16, /* type */ 1101 0, /* rightshift */ 1102 2, /* size (0 = byte, 1 = short, 2 = long) */ 1103 16, /* bitsize */ 1104 FALSE, /* pc_relative */ 1105 0, /* bitpos */ 1106 complain_overflow_signed, /* complain_on_overflow */ 1107 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1108 "R_MICROMIPS_GPREL16", /* name */ 1109 TRUE, /* partial_inplace */ 1110 0x0000ffff, /* src_mask */ 1111 0x0000ffff, /* dst_mask */ 1112 FALSE), /* pcrel_offset */ 1113 1114 /* Reference to literal section. */ 1115 HOWTO (R_MICROMIPS_LITERAL, /* type */ 1116 0, /* rightshift */ 1117 2, /* size (0 = byte, 1 = short, 2 = long) */ 1118 16, /* bitsize */ 1119 FALSE, /* pc_relative */ 1120 0, /* bitpos */ 1121 complain_overflow_signed, /* complain_on_overflow */ 1122 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1123 "R_MICROMIPS_LITERAL", /* name */ 1124 TRUE, /* partial_inplace */ 1125 0x0000ffff, /* src_mask */ 1126 0x0000ffff, /* dst_mask */ 1127 FALSE), /* pcrel_offset */ 1128 1129 /* Reference to global offset table. */ 1130 HOWTO (R_MICROMIPS_GOT16, /* type */ 1131 0, /* rightshift */ 1132 2, /* size (0 = byte, 1 = short, 2 = long) */ 1133 16, /* bitsize */ 1134 FALSE, /* pc_relative */ 1135 0, /* bitpos */ 1136 complain_overflow_signed, /* complain_on_overflow */ 1137 _bfd_mips_elf_got16_reloc, /* special_function */ 1138 "R_MICROMIPS_GOT16", /* name */ 1139 TRUE, /* partial_inplace */ 1140 0x0000ffff, /* src_mask */ 1141 0x0000ffff, /* dst_mask */ 1142 FALSE), /* pcrel_offset */ 1143 1144 /* This is for microMIPS branches. */ 1145 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 1146 1, /* rightshift */ 1147 1, /* size (0 = byte, 1 = short, 2 = long) */ 1148 7, /* bitsize */ 1149 TRUE, /* pc_relative */ 1150 0, /* bitpos */ 1151 complain_overflow_signed, /* complain_on_overflow */ 1152 _bfd_mips_elf_generic_reloc, /* special_function */ 1153 "R_MICROMIPS_PC7_S1", /* name */ 1154 TRUE, /* partial_inplace */ 1155 0x0000007f, /* src_mask */ 1156 0x0000007f, /* dst_mask */ 1157 TRUE), /* pcrel_offset */ 1158 1159 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 1160 1, /* rightshift */ 1161 1, /* size (0 = byte, 1 = short, 2 = long) */ 1162 10, /* bitsize */ 1163 TRUE, /* pc_relative */ 1164 0, /* bitpos */ 1165 complain_overflow_signed, /* complain_on_overflow */ 1166 _bfd_mips_elf_generic_reloc, /* special_function */ 1167 "R_MICROMIPS_PC10_S1", /* name */ 1168 TRUE, /* partial_inplace */ 1169 0x000003ff, /* src_mask */ 1170 0x000003ff, /* dst_mask */ 1171 TRUE), /* pcrel_offset */ 1172 1173 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 1174 1, /* rightshift */ 1175 2, /* size (0 = byte, 1 = short, 2 = long) */ 1176 16, /* bitsize */ 1177 TRUE, /* pc_relative */ 1178 0, /* bitpos */ 1179 complain_overflow_signed, /* complain_on_overflow */ 1180 _bfd_mips_elf_generic_reloc, /* special_function */ 1181 "R_MICROMIPS_PC16_S1", /* name */ 1182 TRUE, /* partial_inplace */ 1183 0x0000ffff, /* src_mask */ 1184 0x0000ffff, /* dst_mask */ 1185 TRUE), /* pcrel_offset */ 1186 1187 /* 16 bit call through global offset table. */ 1188 HOWTO (R_MICROMIPS_CALL16, /* type */ 1189 0, /* rightshift */ 1190 2, /* size (0 = byte, 1 = short, 2 = long) */ 1191 16, /* bitsize */ 1192 FALSE, /* pc_relative */ 1193 0, /* bitpos */ 1194 complain_overflow_signed, /* complain_on_overflow */ 1195 _bfd_mips_elf_generic_reloc, /* special_function */ 1196 "R_MICROMIPS_CALL16", /* name */ 1197 TRUE, /* partial_inplace */ 1198 0x0000ffff, /* src_mask */ 1199 0x0000ffff, /* dst_mask */ 1200 FALSE), /* pcrel_offset */ 1201 1202 EMPTY_HOWTO (143), 1203 EMPTY_HOWTO (144), 1204 1205 /* Displacement in the global offset table. */ 1206 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 1207 0, /* rightshift */ 1208 2, /* size (0 = byte, 1 = short, 2 = long) */ 1209 16, /* bitsize */ 1210 FALSE, /* pc_relative */ 1211 0, /* bitpos */ 1212 complain_overflow_signed, /* complain_on_overflow */ 1213 _bfd_mips_elf_generic_reloc, /* special_function */ 1214 "R_MICROMIPS_GOT_DISP",/* name */ 1215 TRUE, /* partial_inplace */ 1216 0x0000ffff, /* src_mask */ 1217 0x0000ffff, /* dst_mask */ 1218 FALSE), /* pcrel_offset */ 1219 1220 /* Displacement to page pointer in the global offset table. */ 1221 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 1222 0, /* rightshift */ 1223 2, /* size (0 = byte, 1 = short, 2 = long) */ 1224 16, /* bitsize */ 1225 FALSE, /* pc_relative */ 1226 0, /* bitpos */ 1227 complain_overflow_signed, /* complain_on_overflow */ 1228 _bfd_mips_elf_generic_reloc, /* special_function */ 1229 "R_MICROMIPS_GOT_PAGE",/* name */ 1230 TRUE, /* partial_inplace */ 1231 0x0000ffff, /* src_mask */ 1232 0x0000ffff, /* dst_mask */ 1233 FALSE), /* pcrel_offset */ 1234 1235 /* Offset from page pointer in the global offset table. */ 1236 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 1237 0, /* rightshift */ 1238 2, /* size (0 = byte, 1 = short, 2 = long) */ 1239 16, /* bitsize */ 1240 FALSE, /* pc_relative */ 1241 0, /* bitpos */ 1242 complain_overflow_signed, /* complain_on_overflow */ 1243 _bfd_mips_elf_generic_reloc, /* special_function */ 1244 "R_MICROMIPS_GOT_OFST",/* name */ 1245 TRUE, /* partial_inplace */ 1246 0x0000ffff, /* src_mask */ 1247 0x0000ffff, /* dst_mask */ 1248 FALSE), /* pcrel_offset */ 1249 1250 /* High 16 bits of displacement in global offset table. */ 1251 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 1252 0, /* rightshift */ 1253 2, /* size (0 = byte, 1 = short, 2 = long) */ 1254 16, /* 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_MICROMIPS_GOT_HI16",/* name */ 1260 TRUE, /* partial_inplace */ 1261 0x0000ffff, /* src_mask */ 1262 0x0000ffff, /* dst_mask */ 1263 FALSE), /* pcrel_offset */ 1264 1265 /* Low 16 bits of displacement in global offset table. */ 1266 HOWTO (R_MICROMIPS_GOT_LO16, /* 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_MICROMIPS_GOT_LO16",/* name */ 1275 TRUE, /* partial_inplace */ 1276 0x0000ffff, /* src_mask */ 1277 0x0000ffff, /* dst_mask */ 1278 FALSE), /* pcrel_offset */ 1279 1280 /* 64 bit subtraction. Used in the N32 ABI. */ 1281 HOWTO (R_MICROMIPS_SUB, /* type */ 1282 0, /* rightshift */ 1283 4, /* size (0 = byte, 1 = short, 2 = long) */ 1284 64, /* 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_MICROMIPS_SUB", /* name */ 1290 TRUE, /* partial_inplace */ 1291 MINUS_ONE, /* src_mask */ 1292 MINUS_ONE, /* dst_mask */ 1293 FALSE), /* pcrel_offset */ 1294 1295 /* Get the higher value of a 64 bit addend. */ 1296 HOWTO (R_MICROMIPS_HIGHER, /* 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_MICROMIPS_HIGHER", /* name */ 1305 TRUE, /* partial_inplace */ 1306 0x0000ffff, /* src_mask */ 1307 0x0000ffff, /* dst_mask */ 1308 FALSE), /* pcrel_offset */ 1309 1310 /* Get the highest value of a 64 bit addend. */ 1311 HOWTO (R_MICROMIPS_HIGHEST, /* 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_MICROMIPS_HIGHEST", /* name */ 1320 TRUE, /* partial_inplace */ 1321 0x0000ffff, /* src_mask */ 1322 0x0000ffff, /* dst_mask */ 1323 FALSE), /* pcrel_offset */ 1324 1325 /* High 16 bits of displacement in global offset table. */ 1326 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 1327 0, /* rightshift */ 1328 2, /* size (0 = byte, 1 = short, 2 = long) */ 1329 16, /* 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_MICROMIPS_CALL_HI16",/* name */ 1335 TRUE, /* partial_inplace */ 1336 0x0000ffff, /* src_mask */ 1337 0x0000ffff, /* dst_mask */ 1338 FALSE), /* pcrel_offset */ 1339 1340 /* Low 16 bits of displacement in global offset table. */ 1341 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 1342 0, /* rightshift */ 1343 2, /* size (0 = byte, 1 = short, 2 = long) */ 1344 16, /* bitsize */ 1345 FALSE, /* pc_relative */ 1346 0, /* bitpos */ 1347 complain_overflow_dont, /* complain_on_overflow */ 1348 _bfd_mips_elf_generic_reloc, /* special_function */ 1349 "R_MICROMIPS_CALL_LO16",/* name */ 1350 TRUE, /* partial_inplace */ 1351 0x0000ffff, /* src_mask */ 1352 0x0000ffff, /* dst_mask */ 1353 FALSE), /* pcrel_offset */ 1354 1355 /* Section displacement. */ 1356 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 1357 0, /* rightshift */ 1358 2, /* size (0 = byte, 1 = short, 2 = long) */ 1359 32, /* bitsize */ 1360 FALSE, /* pc_relative */ 1361 0, /* bitpos */ 1362 complain_overflow_dont, /* complain_on_overflow */ 1363 _bfd_mips_elf_generic_reloc, /* special_function */ 1364 "R_MICROMIPS_SCN_DISP",/* name */ 1365 TRUE, /* partial_inplace */ 1366 0xffffffff, /* src_mask */ 1367 0xffffffff, /* dst_mask */ 1368 FALSE), /* pcrel_offset */ 1369 1370 /* Protected jump conversion. This is an optimization hint. No 1371 relocation is required for correctness. */ 1372 HOWTO (R_MICROMIPS_JALR, /* type */ 1373 0, /* rightshift */ 1374 2, /* size (0 = byte, 1 = short, 2 = long) */ 1375 32, /* bitsize */ 1376 FALSE, /* pc_relative */ 1377 0, /* bitpos */ 1378 complain_overflow_dont, /* complain_on_overflow */ 1379 _bfd_mips_elf_generic_reloc, /* special_function */ 1380 "R_MICROMIPS_JALR", /* name */ 1381 FALSE, /* partial_inplace */ 1382 0x00000000, /* src_mask */ 1383 0x00000000, /* dst_mask */ 1384 FALSE), /* pcrel_offset */ 1385 1386 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values 1387 must be zero. This is used for relaxation. */ 1388 HOWTO (R_MICROMIPS_HI0_LO16, /* type */ 1389 0, /* rightshift */ 1390 2, /* size (0 = byte, 1 = short, 2 = long) */ 1391 16, /* bitsize */ 1392 FALSE, /* pc_relative */ 1393 0, /* bitpos */ 1394 complain_overflow_dont, /* complain_on_overflow */ 1395 _bfd_mips_elf_generic_reloc, /* special_function */ 1396 "R_MICROMIPS_HI0_LO16",/* name */ 1397 TRUE, /* partial_inplace */ 1398 0x0000ffff, /* src_mask */ 1399 0x0000ffff, /* dst_mask */ 1400 FALSE), /* pcrel_offset */ 1401 1402 EMPTY_HOWTO (158), 1403 EMPTY_HOWTO (159), 1404 EMPTY_HOWTO (160), 1405 EMPTY_HOWTO (161), 1406 1407 /* TLS general dynamic variable reference. */ 1408 HOWTO (R_MICROMIPS_TLS_GD, /* type */ 1409 0, /* rightshift */ 1410 2, /* size (0 = byte, 1 = short, 2 = long) */ 1411 16, /* bitsize */ 1412 FALSE, /* pc_relative */ 1413 0, /* bitpos */ 1414 complain_overflow_signed, /* complain_on_overflow */ 1415 _bfd_mips_elf_generic_reloc, /* special_function */ 1416 "R_MICROMIPS_TLS_GD", /* name */ 1417 TRUE, /* partial_inplace */ 1418 0x0000ffff, /* src_mask */ 1419 0x0000ffff, /* dst_mask */ 1420 FALSE), /* pcrel_offset */ 1421 1422 /* TLS local dynamic variable reference. */ 1423 HOWTO (R_MICROMIPS_TLS_LDM, /* type */ 1424 0, /* rightshift */ 1425 2, /* size (0 = byte, 1 = short, 2 = long) */ 1426 16, /* bitsize */ 1427 FALSE, /* pc_relative */ 1428 0, /* bitpos */ 1429 complain_overflow_signed, /* complain_on_overflow */ 1430 _bfd_mips_elf_generic_reloc, /* special_function */ 1431 "R_MICROMIPS_TLS_LDM", /* name */ 1432 TRUE, /* partial_inplace */ 1433 0x0000ffff, /* src_mask */ 1434 0x0000ffff, /* dst_mask */ 1435 FALSE), /* pcrel_offset */ 1436 1437 /* TLS local dynamic offset. */ 1438 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */ 1439 0, /* rightshift */ 1440 2, /* size (0 = byte, 1 = short, 2 = long) */ 1441 16, /* bitsize */ 1442 FALSE, /* pc_relative */ 1443 0, /* bitpos */ 1444 complain_overflow_signed, /* complain_on_overflow */ 1445 _bfd_mips_elf_generic_reloc, /* special_function */ 1446 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */ 1447 TRUE, /* partial_inplace */ 1448 0x0000ffff, /* src_mask */ 1449 0x0000ffff, /* dst_mask */ 1450 FALSE), /* pcrel_offset */ 1451 1452 /* TLS local dynamic offset. */ 1453 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */ 1454 0, /* rightshift */ 1455 2, /* size (0 = byte, 1 = short, 2 = long) */ 1456 16, /* bitsize */ 1457 FALSE, /* pc_relative */ 1458 0, /* bitpos */ 1459 complain_overflow_signed, /* complain_on_overflow */ 1460 _bfd_mips_elf_generic_reloc, /* special_function */ 1461 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */ 1462 TRUE, /* partial_inplace */ 1463 0x0000ffff, /* src_mask */ 1464 0x0000ffff, /* dst_mask */ 1465 FALSE), /* pcrel_offset */ 1466 1467 /* TLS thread pointer offset. */ 1468 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */ 1469 0, /* rightshift */ 1470 2, /* size (0 = byte, 1 = short, 2 = long) */ 1471 16, /* bitsize */ 1472 FALSE, /* pc_relative */ 1473 0, /* bitpos */ 1474 complain_overflow_signed, /* complain_on_overflow */ 1475 _bfd_mips_elf_generic_reloc, /* special_function */ 1476 "R_MICROMIPS_TLS_GOTTPREL", /* name */ 1477 TRUE, /* partial_inplace */ 1478 0x0000ffff, /* src_mask */ 1479 0x0000ffff, /* dst_mask */ 1480 FALSE), /* pcrel_offset */ 1481 1482 EMPTY_HOWTO (167), 1483 EMPTY_HOWTO (168), 1484 1485 /* TLS thread pointer offset. */ 1486 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */ 1487 0, /* rightshift */ 1488 2, /* size (0 = byte, 1 = short, 2 = long) */ 1489 16, /* bitsize */ 1490 FALSE, /* pc_relative */ 1491 0, /* bitpos */ 1492 complain_overflow_signed, /* complain_on_overflow */ 1493 _bfd_mips_elf_generic_reloc, /* special_function */ 1494 "R_MICROMIPS_TLS_TPREL_HI16", /* name */ 1495 TRUE, /* partial_inplace */ 1496 0x0000ffff, /* src_mask */ 1497 0x0000ffff, /* dst_mask */ 1498 FALSE), /* pcrel_offset */ 1499 1500 /* TLS thread pointer offset. */ 1501 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */ 1502 0, /* rightshift */ 1503 2, /* size (0 = byte, 1 = short, 2 = long) */ 1504 16, /* bitsize */ 1505 FALSE, /* pc_relative */ 1506 0, /* bitpos */ 1507 complain_overflow_signed, /* complain_on_overflow */ 1508 _bfd_mips_elf_generic_reloc, /* special_function */ 1509 "R_MICROMIPS_TLS_TPREL_LO16", /* name */ 1510 TRUE, /* partial_inplace */ 1511 0x0000ffff, /* src_mask */ 1512 0x0000ffff, /* dst_mask */ 1513 FALSE), /* pcrel_offset */ 1514 1515 EMPTY_HOWTO (171), 1516 1517 /* GP- and PC-relative relocations. */ 1518 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */ 1519 2, /* rightshift */ 1520 1, /* size (0 = byte, 1 = short, 2 = long) */ 1521 7, /* bitsize */ 1522 FALSE, /* pc_relative */ 1523 0, /* bitpos */ 1524 complain_overflow_signed, /* complain_on_overflow */ 1525 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1526 "R_MICROMIPS_GPREL7_S2", /* name */ 1527 TRUE, /* partial_inplace */ 1528 0x0000007f, /* src_mask */ 1529 0x0000007f, /* dst_mask */ 1530 FALSE), /* pcrel_offset */ 1531 1532 HOWTO (R_MICROMIPS_PC23_S2, /* type */ 1533 2, /* rightshift */ 1534 2, /* size (0 = byte, 1 = short, 2 = long) */ 1535 23, /* bitsize */ 1536 TRUE, /* pc_relative */ 1537 0, /* bitpos */ 1538 complain_overflow_signed, /* complain_on_overflow */ 1539 _bfd_mips_elf_generic_reloc, /* special_function */ 1540 "R_MICROMIPS_PC23_S2", /* name */ 1541 TRUE, /* partial_inplace */ 1542 0x007fffff, /* src_mask */ 1543 0x007fffff, /* dst_mask */ 1544 TRUE), /* pcrel_offset */ 1545 }; 1546 1547 /* 16 bit offset for pc-relative branches. */ 1548 static reloc_howto_type elf_mips_gnu_rel16_s2 = 1549 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 1550 2, /* rightshift */ 1551 2, /* size (0 = byte, 1 = short, 2 = long) */ 1552 16, /* bitsize */ 1553 TRUE, /* pc_relative */ 1554 0, /* bitpos */ 1555 complain_overflow_signed, /* complain_on_overflow */ 1556 _bfd_mips_elf_generic_reloc, /* special_function */ 1557 "R_MIPS_GNU_REL16_S2", /* name */ 1558 TRUE, /* partial_inplace */ 1559 0xffff, /* src_mask */ 1560 0xffff, /* dst_mask */ 1561 TRUE); /* pcrel_offset */ 1562 1563 /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC. 1564 It was co-opted by mips-linux for exception-handling data. GCC stopped 1565 using it in May, 2004, then started using it again for compact unwind 1566 tables. */ 1567 static reloc_howto_type elf_mips_gnu_pcrel32 = 1568 HOWTO (R_MIPS_PC32, /* type */ 1569 0, /* rightshift */ 1570 2, /* size (0 = byte, 1 = short, 2 = long) */ 1571 32, /* bitsize */ 1572 TRUE, /* pc_relative */ 1573 0, /* bitpos */ 1574 complain_overflow_signed, /* complain_on_overflow */ 1575 _bfd_mips_elf_generic_reloc, /* special_function */ 1576 "R_MIPS_PC32", /* name */ 1577 TRUE, /* partial_inplace */ 1578 0xffffffff, /* src_mask */ 1579 0xffffffff, /* dst_mask */ 1580 TRUE); /* pcrel_offset */ 1581 1582 /* GNU extension to record C++ vtable hierarchy */ 1583 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 1584 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 1585 0, /* rightshift */ 1586 2, /* size (0 = byte, 1 = short, 2 = long) */ 1587 0, /* bitsize */ 1588 FALSE, /* pc_relative */ 1589 0, /* bitpos */ 1590 complain_overflow_dont, /* complain_on_overflow */ 1591 NULL, /* special_function */ 1592 "R_MIPS_GNU_VTINHERIT", /* name */ 1593 FALSE, /* partial_inplace */ 1594 0, /* src_mask */ 1595 0, /* dst_mask */ 1596 FALSE); /* pcrel_offset */ 1597 1598 /* GNU extension to record C++ vtable member usage */ 1599 static reloc_howto_type elf_mips_gnu_vtentry_howto = 1600 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 1601 0, /* rightshift */ 1602 2, /* size (0 = byte, 1 = short, 2 = long) */ 1603 0, /* bitsize */ 1604 FALSE, /* pc_relative */ 1605 0, /* bitpos */ 1606 complain_overflow_dont, /* complain_on_overflow */ 1607 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 1608 "R_MIPS_GNU_VTENTRY", /* name */ 1609 FALSE, /* partial_inplace */ 1610 0, /* src_mask */ 1611 0, /* dst_mask */ 1612 FALSE); /* pcrel_offset */ 1613 1614 /* Originally a VxWorks extension, but now used for other systems too. */ 1615 static reloc_howto_type elf_mips_copy_howto = 1616 HOWTO (R_MIPS_COPY, /* type */ 1617 0, /* rightshift */ 1618 0, /* this one is variable size */ 1619 0, /* bitsize */ 1620 FALSE, /* pc_relative */ 1621 0, /* bitpos */ 1622 complain_overflow_bitfield, /* complain_on_overflow */ 1623 _bfd_mips_elf_generic_reloc, /* special_function */ 1624 "R_MIPS_COPY", /* name */ 1625 FALSE, /* partial_inplace */ 1626 0x0, /* src_mask */ 1627 0x0, /* dst_mask */ 1628 FALSE); /* pcrel_offset */ 1629 1630 /* Originally a VxWorks extension, but now used for other systems too. */ 1631 static reloc_howto_type elf_mips_jump_slot_howto = 1632 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 1633 0, /* rightshift */ 1634 2, /* size (0 = byte, 1 = short, 2 = long) */ 1635 32, /* bitsize */ 1636 FALSE, /* pc_relative */ 1637 0, /* bitpos */ 1638 complain_overflow_bitfield, /* complain_on_overflow */ 1639 _bfd_mips_elf_generic_reloc, /* special_function */ 1640 "R_MIPS_JUMP_SLOT", /* name */ 1641 FALSE, /* partial_inplace */ 1642 0x0, /* src_mask */ 1643 0x0, /* dst_mask */ 1644 FALSE); /* pcrel_offset */ 1645 1646 /* Used in EH tables. */ 1647 static reloc_howto_type elf_mips_eh_howto = 1648 HOWTO (R_MIPS_EH, /* type */ 1649 0, /* rightshift */ 1650 2, /* size (0 = byte, 1 = short, 2 = long) */ 1651 32, /* bitsize */ 1652 FALSE, /* pc_relative */ 1653 0, /* bitpos */ 1654 complain_overflow_signed, /* complain_on_overflow */ 1655 _bfd_mips_elf_generic_reloc, /* special_function */ 1656 "R_MIPS_EH", /* name */ 1657 TRUE, /* partial_inplace */ 1658 0xffffffff, /* src_mask */ 1659 0xffffffff, /* dst_mask */ 1660 FALSE); /* pcrel_offset */ 1661 1662 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 1663 dangerous relocation. */ 1664 1665 static bfd_boolean 1666 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) 1667 { 1668 unsigned int count; 1669 asymbol **sym; 1670 unsigned int i; 1671 1672 /* If we've already figured out what GP will be, just return it. */ 1673 *pgp = _bfd_get_gp_value (output_bfd); 1674 if (*pgp) 1675 return TRUE; 1676 1677 count = bfd_get_symcount (output_bfd); 1678 sym = bfd_get_outsymbols (output_bfd); 1679 1680 /* The linker script will have created a symbol named `_gp' with the 1681 appropriate value. */ 1682 if (sym == NULL) 1683 i = count; 1684 else 1685 { 1686 for (i = 0; i < count; i++, sym++) 1687 { 1688 register const char *name; 1689 1690 name = bfd_asymbol_name (*sym); 1691 if (*name == '_' && strcmp (name, "_gp") == 0) 1692 { 1693 *pgp = bfd_asymbol_value (*sym); 1694 _bfd_set_gp_value (output_bfd, *pgp); 1695 break; 1696 } 1697 } 1698 } 1699 1700 if (i >= count) 1701 { 1702 /* Only get the error once. */ 1703 *pgp = 4; 1704 _bfd_set_gp_value (output_bfd, *pgp); 1705 return FALSE; 1706 } 1707 1708 return TRUE; 1709 } 1710 1711 /* We have to figure out the gp value, so that we can adjust the 1712 symbol value correctly. We look up the symbol _gp in the output 1713 BFD. If we can't find it, we're stuck. We cache it in the ELF 1714 target data. We don't need to adjust the symbol value for an 1715 external symbol if we are producing relocatable output. */ 1716 1717 static bfd_reloc_status_type 1718 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 1719 char **error_message, bfd_vma *pgp) 1720 { 1721 if (bfd_is_und_section (symbol->section) 1722 && ! relocatable) 1723 { 1724 *pgp = 0; 1725 return bfd_reloc_undefined; 1726 } 1727 1728 *pgp = _bfd_get_gp_value (output_bfd); 1729 if (*pgp == 0 1730 && (! relocatable 1731 || (symbol->flags & BSF_SECTION_SYM) != 0)) 1732 { 1733 if (relocatable) 1734 { 1735 /* Make up a value. */ 1736 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 1737 _bfd_set_gp_value (output_bfd, *pgp); 1738 } 1739 else if (!mips_elf_assign_gp (output_bfd, pgp)) 1740 { 1741 *error_message = 1742 (char *) _("GP relative relocation when _gp not defined"); 1743 return bfd_reloc_dangerous; 1744 } 1745 } 1746 1747 return bfd_reloc_ok; 1748 } 1749 1750 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 1751 become the offset from the gp register. This function also handles 1752 R_MIPS_LITERAL relocations, although those can be handled more 1753 cleverly because the entries in the .lit8 and .lit4 sections can be 1754 merged. */ 1755 1756 bfd_reloc_status_type 1757 _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, 1758 asymbol *symbol, void *data, 1759 asection *input_section, bfd *output_bfd, 1760 char **error_message) 1761 { 1762 bfd_boolean relocatable; 1763 bfd_reloc_status_type ret; 1764 bfd_byte *location; 1765 bfd_vma gp; 1766 1767 /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local 1768 symbols only. */ 1769 if (literal_reloc_p (reloc_entry->howto->type) 1770 && output_bfd != NULL 1771 && (symbol->flags & BSF_SECTION_SYM) == 0 1772 && (symbol->flags & BSF_LOCAL) != 0) 1773 { 1774 *error_message = (char *) 1775 _("literal relocation occurs for an external symbol"); 1776 return bfd_reloc_outofrange; 1777 } 1778 1779 if (output_bfd != NULL) 1780 relocatable = TRUE; 1781 else 1782 { 1783 relocatable = FALSE; 1784 output_bfd = symbol->section->output_section->owner; 1785 } 1786 1787 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 1788 &gp); 1789 if (ret != bfd_reloc_ok) 1790 return ret; 1791 1792 location = (bfd_byte *) data + reloc_entry->address; 1793 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 1794 location); 1795 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 1796 input_section, relocatable, 1797 data, gp); 1798 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 1799 location); 1800 1801 return ret; 1802 } 1803 1804 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 1805 become the offset from the gp register. */ 1806 1807 static bfd_reloc_status_type 1808 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 1809 void *data, asection *input_section, bfd *output_bfd, 1810 char **error_message) 1811 { 1812 bfd_boolean relocatable; 1813 bfd_reloc_status_type ret; 1814 bfd_vma gp; 1815 1816 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 1817 if (output_bfd != NULL 1818 && (symbol->flags & BSF_SECTION_SYM) == 0 1819 && (symbol->flags & BSF_LOCAL) != 0) 1820 { 1821 *error_message = (char *) 1822 _("32bits gp relative relocation occurs for an external symbol"); 1823 return bfd_reloc_outofrange; 1824 } 1825 1826 if (output_bfd != NULL) 1827 relocatable = TRUE; 1828 else 1829 { 1830 relocatable = FALSE; 1831 output_bfd = symbol->section->output_section->owner; 1832 } 1833 1834 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, 1835 error_message, &gp); 1836 if (ret != bfd_reloc_ok) 1837 return ret; 1838 1839 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, 1840 relocatable, data, gp); 1841 } 1842 1843 static bfd_reloc_status_type 1844 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, 1845 asection *input_section, bfd_boolean relocatable, 1846 void *data, bfd_vma gp) 1847 { 1848 bfd_vma relocation; 1849 bfd_vma val; 1850 1851 if (bfd_is_com_section (symbol->section)) 1852 relocation = 0; 1853 else 1854 relocation = symbol->value; 1855 1856 relocation += symbol->section->output_section->vma; 1857 relocation += symbol->section->output_offset; 1858 1859 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 1860 return bfd_reloc_outofrange; 1861 1862 /* Set val to the offset into the section or symbol. */ 1863 val = reloc_entry->addend; 1864 1865 if (reloc_entry->howto->partial_inplace) 1866 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 1867 1868 /* Adjust val for the final section location and GP value. If we 1869 are producing relocatable output, we don't want to do this for 1870 an external symbol. */ 1871 if (! relocatable 1872 || (symbol->flags & BSF_SECTION_SYM) != 0) 1873 val += relocation - gp; 1874 1875 if (reloc_entry->howto->partial_inplace) 1876 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 1877 else 1878 reloc_entry->addend = val; 1879 1880 if (relocatable) 1881 reloc_entry->address += input_section->output_offset; 1882 1883 return bfd_reloc_ok; 1884 } 1885 1886 /* Handle a 64 bit reloc in a 32 bit MIPS ELF file. These are 1887 generated when addresses are 64 bits. The upper 32 bits are a simple 1888 sign extension. */ 1889 1890 static bfd_reloc_status_type 1891 mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry, 1892 asymbol *symbol ATTRIBUTE_UNUSED, 1893 void *data, asection *input_section, 1894 bfd *output_bfd, char **error_message) 1895 { 1896 bfd_reloc_status_type r; 1897 arelent reloc32; 1898 unsigned long val; 1899 bfd_size_type addr; 1900 1901 /* Do a normal 32 bit relocation on the lower 32 bits. */ 1902 reloc32 = *reloc_entry; 1903 if (bfd_big_endian (abfd)) 1904 reloc32.address += 4; 1905 reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32]; 1906 r = bfd_perform_relocation (abfd, &reloc32, data, input_section, 1907 output_bfd, error_message); 1908 1909 /* Sign extend into the upper 32 bits. */ 1910 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address); 1911 if ((val & 0x80000000) != 0) 1912 val = 0xffffffff; 1913 else 1914 val = 0; 1915 addr = reloc_entry->address; 1916 if (bfd_little_endian (abfd)) 1917 addr += 4; 1918 bfd_put_32 (abfd, val, (bfd_byte *) data + addr); 1919 1920 return r; 1921 } 1922 1923 /* Handle a mips16 GP relative reloc. */ 1924 1925 static bfd_reloc_status_type 1926 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 1927 void *data, asection *input_section, bfd *output_bfd, 1928 char **error_message) 1929 { 1930 bfd_boolean relocatable; 1931 bfd_reloc_status_type ret; 1932 bfd_byte *location; 1933 bfd_vma gp; 1934 1935 /* If we're relocating, and this is an external symbol, we don't want 1936 to change anything. */ 1937 if (output_bfd != NULL 1938 && (symbol->flags & BSF_SECTION_SYM) == 0 1939 && (symbol->flags & BSF_LOCAL) != 0) 1940 { 1941 reloc_entry->address += input_section->output_offset; 1942 return bfd_reloc_ok; 1943 } 1944 1945 if (output_bfd != NULL) 1946 relocatable = TRUE; 1947 else 1948 { 1949 relocatable = FALSE; 1950 output_bfd = symbol->section->output_section->owner; 1951 } 1952 1953 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 1954 &gp); 1955 if (ret != bfd_reloc_ok) 1956 return ret; 1957 1958 location = (bfd_byte *) data + reloc_entry->address; 1959 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 1960 location); 1961 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 1962 input_section, relocatable, 1963 data, gp); 1964 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 1965 location); 1966 1967 return ret; 1968 } 1969 1970 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 1971 1972 struct elf_reloc_map { 1973 bfd_reloc_code_real_type bfd_val; 1974 enum elf_mips_reloc_type elf_val; 1975 }; 1976 1977 static const struct elf_reloc_map mips_reloc_map[] = 1978 { 1979 { BFD_RELOC_NONE, R_MIPS_NONE }, 1980 { BFD_RELOC_16, R_MIPS_16 }, 1981 { BFD_RELOC_32, R_MIPS_32 }, 1982 /* There is no BFD reloc for R_MIPS_REL32. */ 1983 { BFD_RELOC_64, R_MIPS_64 }, 1984 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 1985 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 1986 { BFD_RELOC_LO16, R_MIPS_LO16 }, 1987 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 1988 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 1989 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 1990 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 1991 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 1992 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 1993 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 1994 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 1995 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 1996 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 1997 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 1998 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 1999 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 2000 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 2001 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 2002 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 2003 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 2004 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 2005 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 2006 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 2007 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 2008 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 2009 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 2010 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 2011 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 2012 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 2013 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 2014 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 2015 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 2016 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 2017 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 2018 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 2019 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 2020 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 2021 }; 2022 2023 static const struct elf_reloc_map mips16_reloc_map[] = 2024 { 2025 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 2026 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 2027 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 2028 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 2029 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 2030 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 2031 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 2032 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 2033 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 2034 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 2035 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 2036 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 2037 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 2038 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 2039 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, 2040 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } 2041 }; 2042 2043 static const struct elf_reloc_map micromips_reloc_map[] = 2044 { 2045 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 2046 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 2047 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 2048 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 2049 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 2050 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 2051 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 2052 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 2053 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 2054 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 2055 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 2056 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 2057 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 2058 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 2059 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 2060 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 2061 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 2062 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 2063 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 2064 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 2065 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 2066 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 2067 /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */ 2068 { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min }, 2069 { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min }, 2070 { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16, 2071 R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min }, 2072 { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16, 2073 R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min }, 2074 { BFD_RELOC_MICROMIPS_TLS_GOTTPREL, 2075 R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min }, 2076 { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16, 2077 R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min }, 2078 { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16, 2079 R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min }, 2080 /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */ 2081 /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */ 2082 }; 2083 2084 /* Given a BFD reloc type, return a howto structure. */ 2085 2086 static reloc_howto_type * 2087 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) 2088 { 2089 unsigned int i; 2090 reloc_howto_type *howto_table = elf_mips_howto_table_rel; 2091 reloc_howto_type *howto16_table = elf_mips16_howto_table_rel; 2092 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel; 2093 2094 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 2095 i++) 2096 { 2097 if (mips_reloc_map[i].bfd_val == code) 2098 return &howto_table[(int) mips_reloc_map[i].elf_val]; 2099 } 2100 2101 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 2102 i++) 2103 { 2104 if (mips16_reloc_map[i].bfd_val == code) 2105 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 2106 } 2107 2108 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 2109 i++) 2110 { 2111 if (micromips_reloc_map[i].bfd_val == code) 2112 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 2113 } 2114 2115 switch (code) 2116 { 2117 default: 2118 bfd_set_error (bfd_error_bad_value); 2119 return NULL; 2120 2121 case BFD_RELOC_CTOR: 2122 /* We need to handle BFD_RELOC_CTOR specially. 2123 Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the 2124 size of addresses of the ABI. */ 2125 if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64 2126 | E_MIPS_ABI_EABI64)) != 0) 2127 return &elf_mips_ctor64_howto; 2128 else 2129 return &howto_table[(int) R_MIPS_32]; 2130 2131 case BFD_RELOC_VTABLE_INHERIT: 2132 return &elf_mips_gnu_vtinherit_howto; 2133 case BFD_RELOC_VTABLE_ENTRY: 2134 return &elf_mips_gnu_vtentry_howto; 2135 case BFD_RELOC_32_PCREL: 2136 return &elf_mips_gnu_pcrel32; 2137 case BFD_RELOC_MIPS_COPY: 2138 return &elf_mips_copy_howto; 2139 case BFD_RELOC_MIPS_JUMP_SLOT: 2140 return &elf_mips_jump_slot_howto; 2141 case BFD_RELOC_MIPS_EH: 2142 return &elf_mips_eh_howto; 2143 } 2144 } 2145 2146 static reloc_howto_type * 2147 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 2148 const char *r_name) 2149 { 2150 unsigned int i; 2151 2152 for (i = 0; 2153 i < (sizeof (elf_mips_howto_table_rel) 2154 / sizeof (elf_mips_howto_table_rel[0])); 2155 i++) 2156 if (elf_mips_howto_table_rel[i].name != NULL 2157 && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0) 2158 return &elf_mips_howto_table_rel[i]; 2159 2160 for (i = 0; 2161 i < (sizeof (elf_mips16_howto_table_rel) 2162 / sizeof (elf_mips16_howto_table_rel[0])); 2163 i++) 2164 if (elf_mips16_howto_table_rel[i].name != NULL 2165 && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0) 2166 return &elf_mips16_howto_table_rel[i]; 2167 2168 for (i = 0; 2169 i < (sizeof (elf_micromips_howto_table_rel) 2170 / sizeof (elf_micromips_howto_table_rel[0])); 2171 i++) 2172 if (elf_micromips_howto_table_rel[i].name != NULL 2173 && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0) 2174 return &elf_micromips_howto_table_rel[i]; 2175 2176 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 2177 return &elf_mips_gnu_pcrel32; 2178 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 2179 return &elf_mips_gnu_rel16_s2; 2180 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 2181 return &elf_mips_gnu_vtinherit_howto; 2182 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 2183 return &elf_mips_gnu_vtentry_howto; 2184 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 2185 return &elf_mips_copy_howto; 2186 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 2187 return &elf_mips_jump_slot_howto; 2188 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 2189 return &elf_mips_eh_howto; 2190 2191 return NULL; 2192 } 2193 2194 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 2195 2196 static reloc_howto_type * 2197 mips_elf32_rtype_to_howto (bfd *abfd, 2198 unsigned int r_type, 2199 bfd_boolean rela_p ATTRIBUTE_UNUSED) 2200 { 2201 reloc_howto_type *howto = NULL; 2202 2203 switch (r_type) 2204 { 2205 case R_MIPS_GNU_VTINHERIT: 2206 return &elf_mips_gnu_vtinherit_howto; 2207 case R_MIPS_GNU_VTENTRY: 2208 return &elf_mips_gnu_vtentry_howto; 2209 case R_MIPS_GNU_REL16_S2: 2210 return &elf_mips_gnu_rel16_s2; 2211 case R_MIPS_PC32: 2212 return &elf_mips_gnu_pcrel32; 2213 case R_MIPS_COPY: 2214 return &elf_mips_copy_howto; 2215 case R_MIPS_JUMP_SLOT: 2216 return &elf_mips_jump_slot_howto; 2217 case R_MIPS_EH: 2218 return &elf_mips_eh_howto; 2219 default: 2220 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 2221 howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; 2222 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 2223 howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; 2224 if (r_type < R_MIPS_max) 2225 howto = &elf_mips_howto_table_rel[r_type]; 2226 if (howto != NULL && howto->name != NULL) 2227 return howto; 2228 2229 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 2230 abfd, r_type); 2231 bfd_set_error (bfd_error_bad_value); 2232 return NULL; 2233 } 2234 } 2235 2236 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 2237 2238 static bfd_boolean 2239 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 2240 { 2241 unsigned int r_type; 2242 2243 r_type = ELF32_R_TYPE (dst->r_info); 2244 cache_ptr->howto = mips_elf32_rtype_to_howto (abfd, r_type, FALSE); 2245 2246 if (cache_ptr->howto == NULL) 2247 return FALSE; 2248 2249 /* The addend for a GPREL16 or LITERAL relocation comes from the GP 2250 value for the object file. We get the addend now, rather than 2251 when we do the relocation, because the symbol manipulations done 2252 by the linker may cause us to lose track of the input BFD. */ 2253 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 2254 && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type))) 2255 cache_ptr->addend = elf_gp (abfd); 2256 2257 return TRUE; 2258 } 2259 2260 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ 2261 2262 static bfd_boolean 2263 mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 2264 { 2265 return mips_info_to_howto_rel (abfd, cache_ptr, dst); 2266 2267 /* If we ever need to do any extra processing with dst->r_addend 2268 (the field omitted in an Elf_Internal_Rel) we can do it here. */ 2269 } 2270 2271 /* Determine whether a symbol is global for the purposes of splitting 2272 the symbol table into global symbols and local symbols. At least 2273 on Irix 5, this split must be between section symbols and all other 2274 symbols. On most ELF targets the split is between static symbols 2275 and externally visible symbols. */ 2276 2277 static bfd_boolean 2278 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) 2279 { 2280 if (SGI_COMPAT (abfd)) 2281 return (sym->flags & BSF_SECTION_SYM) == 0; 2282 else 2283 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 2284 || bfd_is_und_section (bfd_get_section (sym)) 2285 || bfd_is_com_section (bfd_get_section (sym))); 2286 } 2287 2288 /* Set the right machine number for a MIPS ELF file. */ 2289 2290 static bfd_boolean 2291 mips_elf32_object_p (bfd *abfd) 2292 { 2293 unsigned long mach; 2294 2295 if (ABI_N32_P (abfd)) 2296 return FALSE; 2297 2298 /* Irix 5 and 6 are broken. Object file symbol tables are not always 2299 sorted correctly such that local symbols precede global symbols, 2300 and the sh_info field in the symbol table is not always right. */ 2301 if (SGI_COMPAT (abfd)) 2302 elf_bad_symtab (abfd) = TRUE; 2303 2304 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 2305 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 2306 return TRUE; 2307 } 2308 2309 /* MIPS ELF local labels start with '$', not 'L'. */ 2310 2311 static bfd_boolean 2312 mips_elf_is_local_label_name (bfd *abfd, const char *name) 2313 { 2314 if (name[0] == '$') 2315 return TRUE; 2316 2317 /* On Irix 6, the labels go back to starting with '.', so we accept 2318 the generic ELF local label syntax as well. */ 2319 return _bfd_elf_is_local_label_name (abfd, name); 2320 } 2321 2322 /* Support for core dump NOTE sections. */ 2323 static bfd_boolean 2324 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 2325 { 2326 int offset; 2327 unsigned int size; 2328 2329 switch (note->descsz) 2330 { 2331 default: 2332 return FALSE; 2333 2334 case 256: /* Linux/MIPS */ 2335 /* pr_cursig */ 2336 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 2337 2338 /* pr_pid */ 2339 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); 2340 2341 /* pr_reg */ 2342 offset = 72; 2343 size = 180; 2344 2345 break; 2346 } 2347 2348 /* Make a ".reg/999" section. */ 2349 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 2350 size, note->descpos + offset); 2351 } 2352 2353 static bfd_boolean 2354 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 2355 { 2356 switch (note->descsz) 2357 { 2358 default: 2359 return FALSE; 2360 2361 case 128: /* Linux/MIPS elf_prpsinfo */ 2362 elf_tdata (abfd)->core->pid 2363 = bfd_get_32 (abfd, note->descdata + 16); 2364 elf_tdata (abfd)->core->program 2365 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); 2366 elf_tdata (abfd)->core->command 2367 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); 2368 } 2369 2370 /* Note that for some reason, a spurious space is tacked 2371 onto the end of the args in some (at least one anyway) 2372 implementations, so strip it off if it exists. */ 2373 2374 { 2375 char *command = elf_tdata (abfd)->core->command; 2376 int n = strlen (command); 2377 2378 if (0 < n && command[n - 1] == ' ') 2379 command[n - 1] = '\0'; 2380 } 2381 2382 return TRUE; 2383 } 2384 2385 /* Write Linux core PRSTATUS note into core file. */ 2386 2387 static char * 2388 elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, 2389 ...) 2390 { 2391 switch (note_type) 2392 { 2393 default: 2394 return NULL; 2395 2396 case NT_PRPSINFO: 2397 BFD_FAIL (); 2398 return NULL; 2399 2400 case NT_PRSTATUS: 2401 { 2402 char data[256]; 2403 va_list ap; 2404 long pid; 2405 int cursig; 2406 const void *greg; 2407 2408 va_start (ap, note_type); 2409 memset (data, 0, 72); 2410 pid = va_arg (ap, long); 2411 bfd_put_32 (abfd, pid, data + 24); 2412 cursig = va_arg (ap, int); 2413 bfd_put_16 (abfd, cursig, data + 12); 2414 greg = va_arg (ap, const void *); 2415 memcpy (data + 72, greg, 180); 2416 memset (data + 252, 0, 4); 2417 va_end (ap); 2418 return elfcore_write_note (abfd, buf, bufsiz, 2419 "CORE", note_type, data, sizeof (data)); 2420 } 2421 } 2422 } 2423 2424 /* Remove the magic _gp_disp symbol from the symbol tables. */ 2425 2426 static bfd_boolean 2427 elf32_mips_fixup_symbol (struct bfd_link_info *info, 2428 struct elf_link_hash_entry *h) 2429 { 2430 if (strcmp (h->root.root.string, "_gp_disp") == 0) 2431 _bfd_elf_link_hash_hide_symbol (info, h, TRUE); 2432 return TRUE; 2433 } 2434 2435 /* Depending on the target vector we generate some version of Irix 2436 executables or "normal" MIPS ELF ABI executables. */ 2437 static irix_compat_t 2438 elf32_mips_irix_compat (bfd *abfd) 2439 { 2440 if ((abfd->xvec == &mips_elf32_be_vec) 2441 || (abfd->xvec == &mips_elf32_le_vec)) 2442 return ict_irix5; 2443 else 2444 return ict_none; 2445 } 2446 2447 /* ECOFF swapping routines. These are used when dealing with the 2448 .mdebug section, which is in the ECOFF debugging format. */ 2449 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { 2450 /* Symbol table magic number. */ 2451 magicSym, 2452 /* Alignment of debugging information. E.g., 4. */ 2453 4, 2454 /* Sizes of external symbolic information. */ 2455 sizeof (struct hdr_ext), 2456 sizeof (struct dnr_ext), 2457 sizeof (struct pdr_ext), 2458 sizeof (struct sym_ext), 2459 sizeof (struct opt_ext), 2460 sizeof (struct fdr_ext), 2461 sizeof (struct rfd_ext), 2462 sizeof (struct ext_ext), 2463 /* Functions to swap in external symbolic data. */ 2464 ecoff_swap_hdr_in, 2465 ecoff_swap_dnr_in, 2466 ecoff_swap_pdr_in, 2467 ecoff_swap_sym_in, 2468 ecoff_swap_opt_in, 2469 ecoff_swap_fdr_in, 2470 ecoff_swap_rfd_in, 2471 ecoff_swap_ext_in, 2472 _bfd_ecoff_swap_tir_in, 2473 _bfd_ecoff_swap_rndx_in, 2474 /* Functions to swap out external symbolic data. */ 2475 ecoff_swap_hdr_out, 2476 ecoff_swap_dnr_out, 2477 ecoff_swap_pdr_out, 2478 ecoff_swap_sym_out, 2479 ecoff_swap_opt_out, 2480 ecoff_swap_fdr_out, 2481 ecoff_swap_rfd_out, 2482 ecoff_swap_ext_out, 2483 _bfd_ecoff_swap_tir_out, 2484 _bfd_ecoff_swap_rndx_out, 2485 /* Function to read in symbolic data. */ 2486 _bfd_mips_elf_read_ecoff_info 2487 }; 2488 2489 #define ELF_ARCH bfd_arch_mips 2490 #define ELF_TARGET_ID MIPS_ELF_DATA 2491 #define ELF_MACHINE_CODE EM_MIPS 2492 2493 #define elf_backend_collect TRUE 2494 #define elf_backend_type_change_ok TRUE 2495 #define elf_backend_can_gc_sections TRUE 2496 #define elf_backend_gc_mark_extra_sections \ 2497 _bfd_mips_elf_gc_mark_extra_sections 2498 #define elf_info_to_howto mips_info_to_howto_rela 2499 #define elf_info_to_howto_rel mips_info_to_howto_rel 2500 #define elf_backend_sym_is_global mips_elf_sym_is_global 2501 #define elf_backend_object_p mips_elf32_object_p 2502 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 2503 #define elf_backend_section_processing _bfd_mips_elf_section_processing 2504 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 2505 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 2506 #define elf_backend_section_from_bfd_section \ 2507 _bfd_mips_elf_section_from_bfd_section 2508 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 2509 #define elf_backend_link_output_symbol_hook \ 2510 _bfd_mips_elf_link_output_symbol_hook 2511 #define elf_backend_create_dynamic_sections \ 2512 _bfd_mips_elf_create_dynamic_sections 2513 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 2514 #define elf_backend_merge_symbol_attribute \ 2515 _bfd_mips_elf_merge_symbol_attribute 2516 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 2517 #define elf_backend_adjust_dynamic_symbol \ 2518 _bfd_mips_elf_adjust_dynamic_symbol 2519 #define elf_backend_always_size_sections \ 2520 _bfd_mips_elf_always_size_sections 2521 #define elf_backend_size_dynamic_sections \ 2522 _bfd_mips_elf_size_dynamic_sections 2523 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 2524 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 2525 #define elf_backend_finish_dynamic_symbol \ 2526 _bfd_mips_elf_finish_dynamic_symbol 2527 #define elf_backend_finish_dynamic_sections \ 2528 _bfd_mips_elf_finish_dynamic_sections 2529 #define elf_backend_final_write_processing \ 2530 _bfd_mips_elf_final_write_processing 2531 #define elf_backend_additional_program_headers \ 2532 _bfd_mips_elf_additional_program_headers 2533 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 2534 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 2535 #define elf_backend_copy_indirect_symbol \ 2536 _bfd_mips_elf_copy_indirect_symbol 2537 #define elf_backend_fixup_symbol elf32_mips_fixup_symbol 2538 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus 2539 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo 2540 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap 2541 2542 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) 2543 #define elf_backend_want_dynrelro 1 2544 #define elf_backend_may_use_rel_p 1 2545 #define elf_backend_may_use_rela_p 0 2546 #define elf_backend_default_use_rela_p 0 2547 #define elf_backend_sign_extend_vma TRUE 2548 #define elf_backend_plt_readonly 1 2549 2550 #define elf_backend_discard_info _bfd_mips_elf_discard_info 2551 #define elf_backend_ignore_discarded_relocs \ 2552 _bfd_mips_elf_ignore_discarded_relocs 2553 #define elf_backend_write_section _bfd_mips_elf_write_section 2554 #define elf_backend_mips_irix_compat elf32_mips_irix_compat 2555 #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto 2556 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p 2557 2558 #define bfd_elf32_bfd_is_local_label_name \ 2559 mips_elf_is_local_label_name 2560 #define bfd_elf32_bfd_is_target_special_symbol \ 2561 _bfd_mips_elf_is_target_special_symbol 2562 #define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab 2563 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line 2564 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info 2565 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook 2566 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents 2567 #define bfd_elf32_bfd_get_relocated_section_contents \ 2568 _bfd_elf_mips_get_relocated_section_contents 2569 #define bfd_elf32_bfd_link_hash_table_create \ 2570 _bfd_mips_elf_link_hash_table_create 2571 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link 2572 #define bfd_elf32_bfd_merge_private_bfd_data \ 2573 _bfd_mips_elf_merge_private_bfd_data 2574 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags 2575 #define bfd_elf32_bfd_print_private_bfd_data \ 2576 _bfd_mips_elf_print_private_bfd_data 2577 #define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section 2578 #define bfd_elf32_mkobject _bfd_mips_elf_mkobject 2579 2580 /* Support for SGI-ish mips targets. */ 2581 #define TARGET_LITTLE_SYM mips_elf32_le_vec 2582 #define TARGET_LITTLE_NAME "elf32-littlemips" 2583 #define TARGET_BIG_SYM mips_elf32_be_vec 2584 #define TARGET_BIG_NAME "elf32-bigmips" 2585 2586 /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses 2587 a value of 0x1000, and we are compatible. */ 2588 #define ELF_MAXPAGESIZE 0x1000 2589 #define ELF_COMMONPAGESIZE 0x1000 2590 2591 #include "elf32-target.h" 2592 2593 /* Support for traditional mips targets. */ 2594 #undef TARGET_LITTLE_SYM 2595 #undef TARGET_LITTLE_NAME 2596 #undef TARGET_BIG_SYM 2597 #undef TARGET_BIG_NAME 2598 2599 #undef ELF_MAXPAGESIZE 2600 #undef ELF_COMMONPAGESIZE 2601 2602 #define TARGET_LITTLE_SYM mips_elf32_trad_le_vec 2603 #define TARGET_LITTLE_NAME "elf32-tradlittlemips" 2604 #define TARGET_BIG_SYM mips_elf32_trad_be_vec 2605 #define TARGET_BIG_NAME "elf32-tradbigmips" 2606 2607 /* The MIPS ABI says at Page 5-1: 2608 Virtual addresses and file offsets for MIPS segments are congruent 2609 modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes 2610 is the maximum page size, the files are suitable for paging 2611 regardless of physical page size. */ 2612 #define ELF_MAXPAGESIZE 0x10000 2613 #define ELF_COMMONPAGESIZE 0x1000 2614 #define elf32_bed elf32_tradbed 2615 2616 #undef elf_backend_write_core_note 2617 #define elf_backend_write_core_note elf32_mips_write_core_note 2618 2619 /* Include the target file again for this target. */ 2620 #include "elf32-target.h" 2621 2622 /* FreeBSD support. */ 2623 2624 #undef TARGET_LITTLE_SYM 2625 #undef TARGET_LITTLE_NAME 2626 #undef TARGET_BIG_SYM 2627 #undef TARGET_BIG_NAME 2628 2629 #define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec 2630 #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd" 2631 #define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec 2632 #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd" 2633 2634 #undef ELF_OSABI 2635 #define ELF_OSABI ELFOSABI_FREEBSD 2636 2637 #undef elf32_bed 2638 #define elf32_bed elf32_fbsd_tradbed 2639 2640 #undef elf_backend_write_core_note 2641 2642 #include "elf32-target.h" 2643 /* Implement elf_backend_final_write_processing for VxWorks. */ 2644 2645 static void 2646 mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) 2647 { 2648 _bfd_mips_elf_final_write_processing (abfd, linker); 2649 elf_vxworks_final_write_processing (abfd, linker); 2650 } 2651 2652 #undef TARGET_LITTLE_SYM 2653 #undef TARGET_LITTLE_NAME 2654 #undef TARGET_BIG_SYM 2655 #undef TARGET_BIG_NAME 2656 2657 #undef ELF_MAXPAGESIZE 2658 #undef ELF_COMMONPAGESIZE 2659 2660 #define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec 2661 #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" 2662 #define TARGET_BIG_SYM mips_elf32_vxworks_be_vec 2663 #define TARGET_BIG_NAME "elf32-bigmips-vxworks" 2664 #undef ELF_OSABI 2665 2666 #undef elf32_bed 2667 #define elf32_bed elf32_mips_vxworks_bed 2668 2669 #define ELF_MAXPAGESIZE 0x1000 2670 #define ELF_COMMONPAGESIZE 0x1000 2671 2672 #undef elf_backend_want_got_plt 2673 #define elf_backend_want_got_plt 1 2674 #undef elf_backend_want_plt_sym 2675 #define elf_backend_want_plt_sym 1 2676 #undef elf_backend_may_use_rel_p 2677 #define elf_backend_may_use_rel_p 0 2678 #undef elf_backend_may_use_rela_p 2679 #define elf_backend_may_use_rela_p 1 2680 #undef elf_backend_default_use_rela_p 2681 #define elf_backend_default_use_rela_p 1 2682 #undef elf_backend_got_header_size 2683 #define elf_backend_got_header_size (4 * 3) 2684 #undef elf_backend_dtrel_excludes_plt 2685 #define elf_backend_dtrel_excludes_plt 1 2686 2687 #undef elf_backend_finish_dynamic_symbol 2688 #define elf_backend_finish_dynamic_symbol \ 2689 _bfd_mips_vxworks_finish_dynamic_symbol 2690 #undef bfd_elf32_bfd_link_hash_table_create 2691 #define bfd_elf32_bfd_link_hash_table_create \ 2692 _bfd_mips_vxworks_link_hash_table_create 2693 #undef elf_backend_add_symbol_hook 2694 #define elf_backend_add_symbol_hook \ 2695 elf_vxworks_add_symbol_hook 2696 #undef elf_backend_link_output_symbol_hook 2697 #define elf_backend_link_output_symbol_hook \ 2698 elf_vxworks_link_output_symbol_hook 2699 #undef elf_backend_emit_relocs 2700 #define elf_backend_emit_relocs \ 2701 elf_vxworks_emit_relocs 2702 #undef elf_backend_final_write_processing 2703 #define elf_backend_final_write_processing \ 2704 mips_vxworks_final_write_processing 2705 2706 #undef elf_backend_additional_program_headers 2707 #undef elf_backend_modify_segment_map 2708 #undef elf_backend_symbol_processing 2709 /* NOTE: elf_backend_rela_normal is not defined for MIPS. */ 2710 2711 #undef bfd_elf32_get_synthetic_symtab 2712 2713 #include "elf32-target.h" 2714