1 /* MIPS-specific support for 32-bit ELF 2 Copyright (C) 1993-2014 Free Software Foundation, Inc. 3 4 Most of the information added by Ian Lance Taylor, Cygnus Support, 5 <ian (at) cygnus.com>. 6 N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. 7 <mark (at) codesourcery.com> 8 Traditional MIPS targets support added by Koundinya.K, Dansk Data 9 Elektronik & Operations Research Group. <kk (at) ddeorg.soft.net> 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 3 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 26 MA 02110-1301, USA. */ 27 28 29 /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly 30 different MIPS ELF from other targets. This matters when linking. 31 This file supports both, switching at runtime. */ 32 33 #include "sysdep.h" 34 #include "bfd.h" 35 #include "libbfd.h" 36 #include "bfdlink.h" 37 #include "genlink.h" 38 #include "elf-bfd.h" 39 #include "elfxx-mips.h" 40 #include "elf/mips.h" 41 #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 reloc_howto_type *mips_elf32_rtype_to_howto 61 (unsigned int, bfd_boolean); 62 static void mips_info_to_howto_rel 63 (bfd *, arelent *, Elf_Internal_Rela *); 64 static void mips_info_to_howto_rela 65 (bfd *, arelent *, Elf_Internal_Rela *); 66 static bfd_boolean mips_elf_sym_is_global 67 (bfd *, asymbol *); 68 static bfd_boolean mips_elf32_object_p 69 (bfd *); 70 static bfd_boolean mips_elf_is_local_label_name 71 (bfd *, const char *); 72 static bfd_reloc_status_type mips16_gprel_reloc 73 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 74 static bfd_reloc_status_type mips_elf_final_gp 75 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 76 static bfd_boolean mips_elf_assign_gp 77 (bfd *, bfd_vma *); 78 static bfd_boolean elf32_mips_grok_prstatus 79 (bfd *, Elf_Internal_Note *); 80 static bfd_boolean elf32_mips_grok_psinfo 81 (bfd *, Elf_Internal_Note *); 82 static irix_compat_t elf32_mips_irix_compat 83 (bfd *); 84 85 extern const bfd_target mips_elf32_be_vec; 86 extern const bfd_target mips_elf32_le_vec; 87 88 /* Nonzero if ABFD is using the N32 ABI. */ 89 #define ABI_N32_P(abfd) \ 90 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) 91 92 /* Whether we are trying to be compatible with IRIX at all. */ 93 #define SGI_COMPAT(abfd) \ 94 (elf32_mips_irix_compat (abfd) != ict_none) 95 96 /* The number of local .got entries we reserve. */ 97 #define MIPS_RESERVED_GOTNO (2) 98 99 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 100 from smaller values. Start with zero, widen, *then* decrement. */ 101 #define MINUS_ONE (((bfd_vma)0) - 1) 102 103 /* The relocation table used for SHT_REL sections. */ 104 105 static reloc_howto_type elf_mips_howto_table_rel[] = 106 { 107 /* No relocation. */ 108 HOWTO (R_MIPS_NONE, /* type */ 109 0, /* rightshift */ 110 0, /* size (0 = byte, 1 = short, 2 = long) */ 111 0, /* bitsize */ 112 FALSE, /* pc_relative */ 113 0, /* bitpos */ 114 complain_overflow_dont, /* complain_on_overflow */ 115 _bfd_mips_elf_generic_reloc, /* special_function */ 116 "R_MIPS_NONE", /* name */ 117 FALSE, /* partial_inplace */ 118 0, /* src_mask */ 119 0, /* dst_mask */ 120 FALSE), /* pcrel_offset */ 121 122 /* 16 bit relocation. */ 123 HOWTO (R_MIPS_16, /* type */ 124 0, /* rightshift */ 125 2, /* size (0 = byte, 1 = short, 2 = long) */ 126 16, /* bitsize */ 127 FALSE, /* pc_relative */ 128 0, /* bitpos */ 129 complain_overflow_signed, /* complain_on_overflow */ 130 _bfd_mips_elf_generic_reloc, /* special_function */ 131 "R_MIPS_16", /* name */ 132 TRUE, /* partial_inplace */ 133 0x0000ffff, /* src_mask */ 134 0x0000ffff, /* dst_mask */ 135 FALSE), /* pcrel_offset */ 136 137 /* 32 bit relocation. */ 138 HOWTO (R_MIPS_32, /* type */ 139 0, /* rightshift */ 140 2, /* size (0 = byte, 1 = short, 2 = long) */ 141 32, /* bitsize */ 142 FALSE, /* pc_relative */ 143 0, /* bitpos */ 144 complain_overflow_dont, /* complain_on_overflow */ 145 _bfd_mips_elf_generic_reloc, /* special_function */ 146 "R_MIPS_32", /* name */ 147 TRUE, /* partial_inplace */ 148 0xffffffff, /* src_mask */ 149 0xffffffff, /* dst_mask */ 150 FALSE), /* pcrel_offset */ 151 152 /* 32 bit symbol relative relocation. */ 153 HOWTO (R_MIPS_REL32, /* type */ 154 0, /* rightshift */ 155 2, /* size (0 = byte, 1 = short, 2 = long) */ 156 32, /* bitsize */ 157 FALSE, /* pc_relative */ 158 0, /* bitpos */ 159 complain_overflow_dont, /* complain_on_overflow */ 160 _bfd_mips_elf_generic_reloc, /* special_function */ 161 "R_MIPS_REL32", /* name */ 162 TRUE, /* partial_inplace */ 163 0xffffffff, /* src_mask */ 164 0xffffffff, /* dst_mask */ 165 FALSE), /* pcrel_offset */ 166 167 /* 26 bit jump address. */ 168 HOWTO (R_MIPS_26, /* type */ 169 2, /* rightshift */ 170 2, /* size (0 = byte, 1 = short, 2 = long) */ 171 26, /* bitsize */ 172 FALSE, /* pc_relative */ 173 0, /* bitpos */ 174 complain_overflow_dont, /* complain_on_overflow */ 175 /* This needs complex overflow 176 detection, because the upper four 177 bits must match the PC + 4. */ 178 _bfd_mips_elf_generic_reloc, /* special_function */ 179 "R_MIPS_26", /* name */ 180 TRUE, /* partial_inplace */ 181 0x03ffffff, /* src_mask */ 182 0x03ffffff, /* dst_mask */ 183 FALSE), /* pcrel_offset */ 184 185 /* High 16 bits of symbol value. */ 186 HOWTO (R_MIPS_HI16, /* type */ 187 16, /* rightshift */ 188 2, /* size (0 = byte, 1 = short, 2 = long) */ 189 16, /* bitsize */ 190 FALSE, /* pc_relative */ 191 0, /* bitpos */ 192 complain_overflow_dont, /* complain_on_overflow */ 193 _bfd_mips_elf_hi16_reloc, /* special_function */ 194 "R_MIPS_HI16", /* name */ 195 TRUE, /* partial_inplace */ 196 0x0000ffff, /* src_mask */ 197 0x0000ffff, /* dst_mask */ 198 FALSE), /* pcrel_offset */ 199 200 /* Low 16 bits of symbol value. */ 201 HOWTO (R_MIPS_LO16, /* type */ 202 0, /* rightshift */ 203 2, /* size (0 = byte, 1 = short, 2 = long) */ 204 16, /* bitsize */ 205 FALSE, /* pc_relative */ 206 0, /* bitpos */ 207 complain_overflow_dont, /* complain_on_overflow */ 208 _bfd_mips_elf_lo16_reloc, /* special_function */ 209 "R_MIPS_LO16", /* name */ 210 TRUE, /* partial_inplace */ 211 0x0000ffff, /* src_mask */ 212 0x0000ffff, /* dst_mask */ 213 FALSE), /* pcrel_offset */ 214 215 /* GP relative reference. */ 216 HOWTO (R_MIPS_GPREL16, /* type */ 217 0, /* rightshift */ 218 2, /* size (0 = byte, 1 = short, 2 = long) */ 219 16, /* bitsize */ 220 FALSE, /* pc_relative */ 221 0, /* bitpos */ 222 complain_overflow_signed, /* complain_on_overflow */ 223 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 224 "R_MIPS_GPREL16", /* name */ 225 TRUE, /* partial_inplace */ 226 0x0000ffff, /* src_mask */ 227 0x0000ffff, /* dst_mask */ 228 FALSE), /* pcrel_offset */ 229 230 /* Reference to literal section. */ 231 HOWTO (R_MIPS_LITERAL, /* type */ 232 0, /* rightshift */ 233 2, /* size (0 = byte, 1 = short, 2 = long) */ 234 16, /* bitsize */ 235 FALSE, /* pc_relative */ 236 0, /* bitpos */ 237 complain_overflow_signed, /* complain_on_overflow */ 238 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 239 "R_MIPS_LITERAL", /* name */ 240 TRUE, /* partial_inplace */ 241 0x0000ffff, /* src_mask */ 242 0x0000ffff, /* dst_mask */ 243 FALSE), /* pcrel_offset */ 244 245 /* Reference to global offset table. */ 246 HOWTO (R_MIPS_GOT16, /* type */ 247 0, /* rightshift */ 248 2, /* size (0 = byte, 1 = short, 2 = long) */ 249 16, /* bitsize */ 250 FALSE, /* pc_relative */ 251 0, /* bitpos */ 252 complain_overflow_signed, /* complain_on_overflow */ 253 _bfd_mips_elf_got16_reloc, /* special_function */ 254 "R_MIPS_GOT16", /* name */ 255 TRUE, /* partial_inplace */ 256 0x0000ffff, /* src_mask */ 257 0x0000ffff, /* dst_mask */ 258 FALSE), /* pcrel_offset */ 259 260 /* 16 bit PC relative reference. Note that the ABI document has a typo 261 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 262 We do the right thing here. */ 263 HOWTO (R_MIPS_PC16, /* type */ 264 2, /* rightshift */ 265 2, /* size (0 = byte, 1 = short, 2 = long) */ 266 16, /* bitsize */ 267 TRUE, /* pc_relative */ 268 0, /* bitpos */ 269 complain_overflow_signed, /* complain_on_overflow */ 270 _bfd_mips_elf_generic_reloc, /* special_function */ 271 "R_MIPS_PC16", /* name */ 272 TRUE, /* partial_inplace */ 273 0x0000ffff, /* src_mask */ 274 0x0000ffff, /* dst_mask */ 275 TRUE), /* pcrel_offset */ 276 277 /* 16 bit call through global offset table. */ 278 HOWTO (R_MIPS_CALL16, /* type */ 279 0, /* rightshift */ 280 2, /* size (0 = byte, 1 = short, 2 = long) */ 281 16, /* bitsize */ 282 FALSE, /* pc_relative */ 283 0, /* bitpos */ 284 complain_overflow_signed, /* complain_on_overflow */ 285 _bfd_mips_elf_generic_reloc, /* special_function */ 286 "R_MIPS_CALL16", /* name */ 287 TRUE, /* partial_inplace */ 288 0x0000ffff, /* src_mask */ 289 0x0000ffff, /* dst_mask */ 290 FALSE), /* pcrel_offset */ 291 292 /* 32 bit GP relative reference. */ 293 HOWTO (R_MIPS_GPREL32, /* type */ 294 0, /* rightshift */ 295 2, /* size (0 = byte, 1 = short, 2 = long) */ 296 32, /* bitsize */ 297 FALSE, /* pc_relative */ 298 0, /* bitpos */ 299 complain_overflow_dont, /* complain_on_overflow */ 300 mips_elf_gprel32_reloc, /* special_function */ 301 "R_MIPS_GPREL32", /* name */ 302 TRUE, /* partial_inplace */ 303 0xffffffff, /* src_mask */ 304 0xffffffff, /* dst_mask */ 305 FALSE), /* pcrel_offset */ 306 307 /* The remaining relocs are defined on Irix 5, although they are 308 not defined by the ABI. */ 309 EMPTY_HOWTO (13), 310 EMPTY_HOWTO (14), 311 EMPTY_HOWTO (15), 312 313 /* A 5 bit shift field. */ 314 HOWTO (R_MIPS_SHIFT5, /* type */ 315 0, /* rightshift */ 316 2, /* size (0 = byte, 1 = short, 2 = long) */ 317 5, /* bitsize */ 318 FALSE, /* pc_relative */ 319 6, /* bitpos */ 320 complain_overflow_bitfield, /* complain_on_overflow */ 321 _bfd_mips_elf_generic_reloc, /* special_function */ 322 "R_MIPS_SHIFT5", /* name */ 323 TRUE, /* partial_inplace */ 324 0x000007c0, /* src_mask */ 325 0x000007c0, /* dst_mask */ 326 FALSE), /* pcrel_offset */ 327 328 /* A 6 bit shift field. */ 329 /* FIXME: This is not handled correctly; a special function is 330 needed to put the most significant bit in the right place. */ 331 HOWTO (R_MIPS_SHIFT6, /* type */ 332 0, /* rightshift */ 333 2, /* size (0 = byte, 1 = short, 2 = long) */ 334 6, /* bitsize */ 335 FALSE, /* pc_relative */ 336 6, /* bitpos */ 337 complain_overflow_bitfield, /* complain_on_overflow */ 338 _bfd_mips_elf_generic_reloc, /* special_function */ 339 "R_MIPS_SHIFT6", /* name */ 340 TRUE, /* partial_inplace */ 341 0x000007c4, /* src_mask */ 342 0x000007c4, /* dst_mask */ 343 FALSE), /* pcrel_offset */ 344 345 /* A 64 bit relocation. */ 346 HOWTO (R_MIPS_64, /* type */ 347 0, /* rightshift */ 348 4, /* size (0 = byte, 1 = short, 2 = long) */ 349 64, /* bitsize */ 350 FALSE, /* pc_relative */ 351 0, /* bitpos */ 352 complain_overflow_dont, /* complain_on_overflow */ 353 mips32_64bit_reloc, /* special_function */ 354 "R_MIPS_64", /* name */ 355 TRUE, /* partial_inplace */ 356 MINUS_ONE, /* src_mask */ 357 MINUS_ONE, /* dst_mask */ 358 FALSE), /* pcrel_offset */ 359 360 /* Displacement in the global offset table. */ 361 HOWTO (R_MIPS_GOT_DISP, /* type */ 362 0, /* rightshift */ 363 2, /* size (0 = byte, 1 = short, 2 = long) */ 364 16, /* bitsize */ 365 FALSE, /* pc_relative */ 366 0, /* bitpos */ 367 complain_overflow_signed, /* complain_on_overflow */ 368 _bfd_mips_elf_generic_reloc, /* special_function */ 369 "R_MIPS_GOT_DISP", /* name */ 370 TRUE, /* partial_inplace */ 371 0x0000ffff, /* src_mask */ 372 0x0000ffff, /* dst_mask */ 373 FALSE), /* pcrel_offset */ 374 375 /* Displacement to page pointer in the global offset table. */ 376 HOWTO (R_MIPS_GOT_PAGE, /* type */ 377 0, /* rightshift */ 378 2, /* size (0 = byte, 1 = short, 2 = long) */ 379 16, /* bitsize */ 380 FALSE, /* pc_relative */ 381 0, /* bitpos */ 382 complain_overflow_signed, /* complain_on_overflow */ 383 _bfd_mips_elf_generic_reloc, /* special_function */ 384 "R_MIPS_GOT_PAGE", /* name */ 385 TRUE, /* partial_inplace */ 386 0x0000ffff, /* src_mask */ 387 0x0000ffff, /* dst_mask */ 388 FALSE), /* pcrel_offset */ 389 390 /* Offset from page pointer in the global offset table. */ 391 HOWTO (R_MIPS_GOT_OFST, /* type */ 392 0, /* rightshift */ 393 2, /* size (0 = byte, 1 = short, 2 = long) */ 394 16, /* bitsize */ 395 FALSE, /* pc_relative */ 396 0, /* bitpos */ 397 complain_overflow_signed, /* complain_on_overflow */ 398 _bfd_mips_elf_generic_reloc, /* special_function */ 399 "R_MIPS_GOT_OFST", /* name */ 400 TRUE, /* partial_inplace */ 401 0x0000ffff, /* src_mask */ 402 0x0000ffff, /* dst_mask */ 403 FALSE), /* pcrel_offset */ 404 405 /* High 16 bits of displacement in global offset table. */ 406 HOWTO (R_MIPS_GOT_HI16, /* type */ 407 0, /* rightshift */ 408 2, /* size (0 = byte, 1 = short, 2 = long) */ 409 16, /* bitsize */ 410 FALSE, /* pc_relative */ 411 0, /* bitpos */ 412 complain_overflow_dont, /* complain_on_overflow */ 413 _bfd_mips_elf_generic_reloc, /* special_function */ 414 "R_MIPS_GOT_HI16", /* name */ 415 TRUE, /* partial_inplace */ 416 0x0000ffff, /* src_mask */ 417 0x0000ffff, /* dst_mask */ 418 FALSE), /* pcrel_offset */ 419 420 /* Low 16 bits of displacement in global offset table. */ 421 HOWTO (R_MIPS_GOT_LO16, /* type */ 422 0, /* rightshift */ 423 2, /* size (0 = byte, 1 = short, 2 = long) */ 424 16, /* bitsize */ 425 FALSE, /* pc_relative */ 426 0, /* bitpos */ 427 complain_overflow_dont, /* complain_on_overflow */ 428 _bfd_mips_elf_generic_reloc, /* special_function */ 429 "R_MIPS_GOT_LO16", /* name */ 430 TRUE, /* partial_inplace */ 431 0x0000ffff, /* src_mask */ 432 0x0000ffff, /* dst_mask */ 433 FALSE), /* pcrel_offset */ 434 435 /* 64 bit subtraction. Used in the N32 ABI. */ 436 HOWTO (R_MIPS_SUB, /* type */ 437 0, /* rightshift */ 438 4, /* size (0 = byte, 1 = short, 2 = long) */ 439 64, /* bitsize */ 440 FALSE, /* pc_relative */ 441 0, /* bitpos */ 442 complain_overflow_dont, /* complain_on_overflow */ 443 _bfd_mips_elf_generic_reloc, /* special_function */ 444 "R_MIPS_SUB", /* name */ 445 TRUE, /* partial_inplace */ 446 MINUS_ONE, /* src_mask */ 447 MINUS_ONE, /* dst_mask */ 448 FALSE), /* pcrel_offset */ 449 450 /* Used to cause the linker to insert and delete instructions? */ 451 EMPTY_HOWTO (R_MIPS_INSERT_A), 452 EMPTY_HOWTO (R_MIPS_INSERT_B), 453 EMPTY_HOWTO (R_MIPS_DELETE), 454 455 /* Get the higher value of a 64 bit addend. */ 456 HOWTO (R_MIPS_HIGHER, /* type */ 457 0, /* rightshift */ 458 2, /* size (0 = byte, 1 = short, 2 = long) */ 459 16, /* bitsize */ 460 FALSE, /* pc_relative */ 461 0, /* bitpos */ 462 complain_overflow_dont, /* complain_on_overflow */ 463 _bfd_mips_elf_generic_reloc, /* special_function */ 464 "R_MIPS_HIGHER", /* name */ 465 TRUE, /* partial_inplace */ 466 0x0000ffff, /* src_mask */ 467 0x0000ffff, /* dst_mask */ 468 FALSE), /* pcrel_offset */ 469 470 /* Get the highest value of a 64 bit addend. */ 471 HOWTO (R_MIPS_HIGHEST, /* type */ 472 0, /* rightshift */ 473 2, /* size (0 = byte, 1 = short, 2 = long) */ 474 16, /* bitsize */ 475 FALSE, /* pc_relative */ 476 0, /* bitpos */ 477 complain_overflow_dont, /* complain_on_overflow */ 478 _bfd_mips_elf_generic_reloc, /* special_function */ 479 "R_MIPS_HIGHEST", /* name */ 480 TRUE, /* partial_inplace */ 481 0x0000ffff, /* src_mask */ 482 0x0000ffff, /* dst_mask */ 483 FALSE), /* pcrel_offset */ 484 485 /* High 16 bits of displacement in global offset table. */ 486 HOWTO (R_MIPS_CALL_HI16, /* type */ 487 0, /* rightshift */ 488 2, /* size (0 = byte, 1 = short, 2 = long) */ 489 16, /* bitsize */ 490 FALSE, /* pc_relative */ 491 0, /* bitpos */ 492 complain_overflow_dont, /* complain_on_overflow */ 493 _bfd_mips_elf_generic_reloc, /* special_function */ 494 "R_MIPS_CALL_HI16", /* name */ 495 TRUE, /* partial_inplace */ 496 0x0000ffff, /* src_mask */ 497 0x0000ffff, /* dst_mask */ 498 FALSE), /* pcrel_offset */ 499 500 /* Low 16 bits of displacement in global offset table. */ 501 HOWTO (R_MIPS_CALL_LO16, /* type */ 502 0, /* rightshift */ 503 2, /* size (0 = byte, 1 = short, 2 = long) */ 504 16, /* bitsize */ 505 FALSE, /* pc_relative */ 506 0, /* bitpos */ 507 complain_overflow_dont, /* complain_on_overflow */ 508 _bfd_mips_elf_generic_reloc, /* special_function */ 509 "R_MIPS_CALL_LO16", /* name */ 510 TRUE, /* partial_inplace */ 511 0x0000ffff, /* src_mask */ 512 0x0000ffff, /* dst_mask */ 513 FALSE), /* pcrel_offset */ 514 515 /* Section displacement. */ 516 HOWTO (R_MIPS_SCN_DISP, /* type */ 517 0, /* rightshift */ 518 2, /* size (0 = byte, 1 = short, 2 = long) */ 519 32, /* bitsize */ 520 FALSE, /* pc_relative */ 521 0, /* bitpos */ 522 complain_overflow_dont, /* complain_on_overflow */ 523 _bfd_mips_elf_generic_reloc, /* special_function */ 524 "R_MIPS_SCN_DISP", /* name */ 525 TRUE, /* partial_inplace */ 526 0xffffffff, /* src_mask */ 527 0xffffffff, /* dst_mask */ 528 FALSE), /* pcrel_offset */ 529 530 EMPTY_HOWTO (R_MIPS_REL16), 531 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 532 EMPTY_HOWTO (R_MIPS_PJUMP), 533 EMPTY_HOWTO (R_MIPS_RELGOT), 534 535 /* Protected jump conversion. This is an optimization hint. No 536 relocation is required for correctness. */ 537 HOWTO (R_MIPS_JALR, /* type */ 538 0, /* rightshift */ 539 2, /* size (0 = byte, 1 = short, 2 = long) */ 540 32, /* bitsize */ 541 FALSE, /* pc_relative */ 542 0, /* bitpos */ 543 complain_overflow_dont, /* complain_on_overflow */ 544 _bfd_mips_elf_generic_reloc, /* special_function */ 545 "R_MIPS_JALR", /* name */ 546 FALSE, /* partial_inplace */ 547 0x00000000, /* src_mask */ 548 0x00000000, /* dst_mask */ 549 FALSE), /* pcrel_offset */ 550 551 /* TLS GD/LD dynamic relocations. */ 552 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ 553 0, /* rightshift */ 554 2, /* size (0 = byte, 1 = short, 2 = long) */ 555 32, /* bitsize */ 556 FALSE, /* pc_relative */ 557 0, /* bitpos */ 558 complain_overflow_dont, /* complain_on_overflow */ 559 _bfd_mips_elf_generic_reloc, /* special_function */ 560 "R_MIPS_TLS_DTPMOD32", /* name */ 561 TRUE, /* partial_inplace */ 562 0xffffffff, /* src_mask */ 563 0xffffffff, /* dst_mask */ 564 FALSE), /* pcrel_offset */ 565 566 HOWTO (R_MIPS_TLS_DTPREL32, /* type */ 567 0, /* rightshift */ 568 2, /* size (0 = byte, 1 = short, 2 = long) */ 569 32, /* bitsize */ 570 FALSE, /* pc_relative */ 571 0, /* bitpos */ 572 complain_overflow_dont, /* complain_on_overflow */ 573 _bfd_mips_elf_generic_reloc, /* special_function */ 574 "R_MIPS_TLS_DTPREL32", /* name */ 575 TRUE, /* partial_inplace */ 576 0xffffffff, /* src_mask */ 577 0xffffffff, /* dst_mask */ 578 FALSE), /* pcrel_offset */ 579 580 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), 581 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), 582 583 /* TLS general dynamic variable reference. */ 584 HOWTO (R_MIPS_TLS_GD, /* type */ 585 0, /* rightshift */ 586 2, /* size (0 = byte, 1 = short, 2 = long) */ 587 16, /* bitsize */ 588 FALSE, /* pc_relative */ 589 0, /* bitpos */ 590 complain_overflow_signed, /* complain_on_overflow */ 591 _bfd_mips_elf_generic_reloc, /* special_function */ 592 "R_MIPS_TLS_GD", /* name */ 593 TRUE, /* partial_inplace */ 594 0x0000ffff, /* src_mask */ 595 0x0000ffff, /* dst_mask */ 596 FALSE), /* pcrel_offset */ 597 598 /* TLS local dynamic variable reference. */ 599 HOWTO (R_MIPS_TLS_LDM, /* type */ 600 0, /* rightshift */ 601 2, /* size (0 = byte, 1 = short, 2 = long) */ 602 16, /* bitsize */ 603 FALSE, /* pc_relative */ 604 0, /* bitpos */ 605 complain_overflow_signed, /* complain_on_overflow */ 606 _bfd_mips_elf_generic_reloc, /* special_function */ 607 "R_MIPS_TLS_LDM", /* name */ 608 TRUE, /* partial_inplace */ 609 0x0000ffff, /* src_mask */ 610 0x0000ffff, /* dst_mask */ 611 FALSE), /* pcrel_offset */ 612 613 /* TLS local dynamic offset. */ 614 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 615 0, /* rightshift */ 616 2, /* size (0 = byte, 1 = short, 2 = long) */ 617 16, /* bitsize */ 618 FALSE, /* pc_relative */ 619 0, /* bitpos */ 620 complain_overflow_signed, /* complain_on_overflow */ 621 _bfd_mips_elf_generic_reloc, /* special_function */ 622 "R_MIPS_TLS_DTPREL_HI16", /* name */ 623 TRUE, /* partial_inplace */ 624 0x0000ffff, /* src_mask */ 625 0x0000ffff, /* dst_mask */ 626 FALSE), /* pcrel_offset */ 627 628 /* TLS local dynamic offset. */ 629 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 630 0, /* rightshift */ 631 2, /* size (0 = byte, 1 = short, 2 = long) */ 632 16, /* bitsize */ 633 FALSE, /* pc_relative */ 634 0, /* bitpos */ 635 complain_overflow_signed, /* complain_on_overflow */ 636 _bfd_mips_elf_generic_reloc, /* special_function */ 637 "R_MIPS_TLS_DTPREL_LO16", /* name */ 638 TRUE, /* partial_inplace */ 639 0x0000ffff, /* src_mask */ 640 0x0000ffff, /* dst_mask */ 641 FALSE), /* pcrel_offset */ 642 643 /* TLS thread pointer offset. */ 644 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 645 0, /* rightshift */ 646 2, /* size (0 = byte, 1 = short, 2 = long) */ 647 16, /* bitsize */ 648 FALSE, /* pc_relative */ 649 0, /* bitpos */ 650 complain_overflow_signed, /* complain_on_overflow */ 651 _bfd_mips_elf_generic_reloc, /* special_function */ 652 "R_MIPS_TLS_GOTTPREL", /* name */ 653 TRUE, /* partial_inplace */ 654 0x0000ffff, /* src_mask */ 655 0x0000ffff, /* dst_mask */ 656 FALSE), /* pcrel_offset */ 657 658 /* TLS IE dynamic relocations. */ 659 HOWTO (R_MIPS_TLS_TPREL32, /* type */ 660 0, /* rightshift */ 661 2, /* size (0 = byte, 1 = short, 2 = long) */ 662 32, /* bitsize */ 663 FALSE, /* pc_relative */ 664 0, /* bitpos */ 665 complain_overflow_dont, /* complain_on_overflow */ 666 _bfd_mips_elf_generic_reloc, /* special_function */ 667 "R_MIPS_TLS_TPREL32", /* name */ 668 TRUE, /* partial_inplace */ 669 0xffffffff, /* src_mask */ 670 0xffffffff, /* dst_mask */ 671 FALSE), /* pcrel_offset */ 672 673 EMPTY_HOWTO (R_MIPS_TLS_TPREL64), 674 675 /* TLS thread pointer offset. */ 676 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 677 0, /* rightshift */ 678 2, /* size (0 = byte, 1 = short, 2 = long) */ 679 16, /* bitsize */ 680 FALSE, /* pc_relative */ 681 0, /* bitpos */ 682 complain_overflow_signed, /* complain_on_overflow */ 683 _bfd_mips_elf_generic_reloc, /* special_function */ 684 "R_MIPS_TLS_TPREL_HI16", /* name */ 685 TRUE, /* partial_inplace */ 686 0x0000ffff, /* src_mask */ 687 0x0000ffff, /* dst_mask */ 688 FALSE), /* pcrel_offset */ 689 690 /* TLS thread pointer offset. */ 691 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 692 0, /* rightshift */ 693 2, /* size (0 = byte, 1 = short, 2 = long) */ 694 16, /* bitsize */ 695 FALSE, /* pc_relative */ 696 0, /* bitpos */ 697 complain_overflow_signed, /* complain_on_overflow */ 698 _bfd_mips_elf_generic_reloc, /* special_function */ 699 "R_MIPS_TLS_TPREL_LO16", /* name */ 700 TRUE, /* partial_inplace */ 701 0x0000ffff, /* src_mask */ 702 0x0000ffff, /* dst_mask */ 703 FALSE), /* pcrel_offset */ 704 705 /* 32 bit relocation with no addend. */ 706 HOWTO (R_MIPS_GLOB_DAT, /* type */ 707 0, /* rightshift */ 708 2, /* size (0 = byte, 1 = short, 2 = long) */ 709 32, /* bitsize */ 710 FALSE, /* pc_relative */ 711 0, /* bitpos */ 712 complain_overflow_dont, /* complain_on_overflow */ 713 _bfd_mips_elf_generic_reloc, /* special_function */ 714 "R_MIPS_GLOB_DAT", /* name */ 715 FALSE, /* partial_inplace */ 716 0x0, /* src_mask */ 717 0xffffffff, /* dst_mask */ 718 FALSE), /* pcrel_offset */ 719 720 EMPTY_HOWTO (52), 721 EMPTY_HOWTO (53), 722 EMPTY_HOWTO (54), 723 EMPTY_HOWTO (55), 724 EMPTY_HOWTO (56), 725 EMPTY_HOWTO (57), 726 EMPTY_HOWTO (58), 727 EMPTY_HOWTO (59), 728 729 HOWTO (R_MIPS_PC21_S2, /* type */ 730 2, /* rightshift */ 731 2, /* size (0 = byte, 1 = short, 2 = long) */ 732 21, /* bitsize */ 733 TRUE, /* pc_relative */ 734 0, /* bitpos */ 735 complain_overflow_signed, /* complain_on_overflow */ 736 _bfd_mips_elf_generic_reloc, /* special_function */ 737 "R_MIPS_PC21_S2", /* name */ 738 TRUE, /* partial_inplace */ 739 0x001fffff, /* src_mask */ 740 0x001fffff, /* dst_mask */ 741 TRUE), /* pcrel_offset */ 742 743 HOWTO (R_MIPS_PC26_S2, /* type */ 744 2, /* rightshift */ 745 2, /* size (0 = byte, 1 = short, 2 = long) */ 746 26, /* bitsize */ 747 TRUE, /* pc_relative */ 748 0, /* bitpos */ 749 complain_overflow_signed, /* complain_on_overflow */ 750 _bfd_mips_elf_generic_reloc, /* special_function */ 751 "R_MIPS_PC26_S2", /* name */ 752 TRUE, /* partial_inplace */ 753 0x03ffffff, /* src_mask */ 754 0x03ffffff, /* dst_mask */ 755 TRUE), /* pcrel_offset */ 756 757 HOWTO (R_MIPS_PC18_S3, /* type */ 758 3, /* rightshift */ 759 2, /* size (0 = byte, 1 = short, 2 = long) */ 760 18, /* bitsize */ 761 TRUE, /* pc_relative */ 762 0, /* bitpos */ 763 complain_overflow_signed, /* complain_on_overflow */ 764 _bfd_mips_elf_generic_reloc, /* special_function */ 765 "R_MIPS_PC18_S3", /* name */ 766 TRUE, /* partial_inplace */ 767 0x0003ffff, /* src_mask */ 768 0x0003ffff, /* dst_mask */ 769 TRUE), /* pcrel_offset */ 770 771 HOWTO (R_MIPS_PC19_S2, /* type */ 772 2, /* rightshift */ 773 2, /* size (0 = byte, 1 = short, 2 = long) */ 774 19, /* bitsize */ 775 TRUE, /* pc_relative */ 776 0, /* bitpos */ 777 complain_overflow_signed, /* complain_on_overflow */ 778 _bfd_mips_elf_generic_reloc, /* special_function */ 779 "R_MIPS_PC19_S2", /* name */ 780 TRUE, /* partial_inplace */ 781 0x0007ffff, /* src_mask */ 782 0x0007ffff, /* dst_mask */ 783 TRUE), /* pcrel_offset */ 784 785 HOWTO (R_MIPS_PCHI16, /* type */ 786 16, /* rightshift */ 787 2, /* size (0 = byte, 1 = short, 2 = long) */ 788 16, /* bitsize */ 789 TRUE, /* pc_relative */ 790 0, /* bitpos */ 791 complain_overflow_signed, /* complain_on_overflow */ 792 _bfd_mips_elf_generic_reloc, /* special_function */ 793 "R_MIPS_PCHI16", /* name */ 794 TRUE, /* partial_inplace */ 795 0x0000ffff, /* src_mask */ 796 0x0000ffff, /* dst_mask */ 797 TRUE), /* pcrel_offset */ 798 799 HOWTO (R_MIPS_PCLO16, /* type */ 800 0, /* rightshift */ 801 2, /* size (0 = byte, 1 = short, 2 = long) */ 802 16, /* bitsize */ 803 TRUE, /* pc_relative */ 804 0, /* bitpos */ 805 complain_overflow_dont, /* complain_on_overflow */ 806 _bfd_mips_elf_generic_reloc, /* special_function */ 807 "R_MIPS_PCLO16", /* name */ 808 TRUE, /* partial_inplace */ 809 0x0000ffff, /* src_mask */ 810 0x0000ffff, /* dst_mask */ 811 TRUE), /* pcrel_offset */ 812 }; 813 814 /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This 815 is a hack to make the linker think that we need 64 bit values. */ 816 static reloc_howto_type elf_mips_ctor64_howto = 817 HOWTO (R_MIPS_64, /* type */ 818 0, /* rightshift */ 819 4, /* size (0 = byte, 1 = short, 2 = long) */ 820 32, /* bitsize */ 821 FALSE, /* pc_relative */ 822 0, /* bitpos */ 823 complain_overflow_signed, /* complain_on_overflow */ 824 mips32_64bit_reloc, /* special_function */ 825 "R_MIPS_64", /* name */ 826 TRUE, /* partial_inplace */ 827 0xffffffff, /* src_mask */ 828 0xffffffff, /* dst_mask */ 829 FALSE); /* pcrel_offset */ 830 831 static reloc_howto_type elf_mips16_howto_table_rel[] = 832 { 833 /* The reloc used for the mips16 jump instruction. */ 834 HOWTO (R_MIPS16_26, /* type */ 835 2, /* rightshift */ 836 2, /* size (0 = byte, 1 = short, 2 = long) */ 837 26, /* bitsize */ 838 FALSE, /* pc_relative */ 839 0, /* bitpos */ 840 complain_overflow_dont, /* complain_on_overflow */ 841 /* This needs complex overflow 842 detection, because the upper four 843 bits must match the PC. */ 844 _bfd_mips_elf_generic_reloc, /* special_function */ 845 "R_MIPS16_26", /* name */ 846 TRUE, /* partial_inplace */ 847 0x3ffffff, /* src_mask */ 848 0x3ffffff, /* dst_mask */ 849 FALSE), /* pcrel_offset */ 850 851 /* The reloc used for the mips16 gprel instruction. */ 852 HOWTO (R_MIPS16_GPREL, /* type */ 853 0, /* rightshift */ 854 2, /* size (0 = byte, 1 = short, 2 = long) */ 855 16, /* bitsize */ 856 FALSE, /* pc_relative */ 857 0, /* bitpos */ 858 complain_overflow_signed, /* complain_on_overflow */ 859 mips16_gprel_reloc, /* special_function */ 860 "R_MIPS16_GPREL", /* name */ 861 TRUE, /* partial_inplace */ 862 0x0000ffff, /* src_mask */ 863 0x0000ffff, /* dst_mask */ 864 FALSE), /* pcrel_offset */ 865 866 /* A MIPS16 reference to the global offset table. */ 867 HOWTO (R_MIPS16_GOT16, /* type */ 868 0, /* rightshift */ 869 2, /* size (0 = byte, 1 = short, 2 = long) */ 870 16, /* bitsize */ 871 FALSE, /* pc_relative */ 872 0, /* bitpos */ 873 complain_overflow_dont, /* complain_on_overflow */ 874 _bfd_mips_elf_got16_reloc, /* special_function */ 875 "R_MIPS16_GOT16", /* name */ 876 TRUE, /* partial_inplace */ 877 0x0000ffff, /* src_mask */ 878 0x0000ffff, /* dst_mask */ 879 FALSE), /* pcrel_offset */ 880 881 /* A MIPS16 call through the global offset table. */ 882 HOWTO (R_MIPS16_CALL16, /* type */ 883 0, /* rightshift */ 884 2, /* size (0 = byte, 1 = short, 2 = long) */ 885 16, /* bitsize */ 886 FALSE, /* pc_relative */ 887 0, /* bitpos */ 888 complain_overflow_dont, /* complain_on_overflow */ 889 _bfd_mips_elf_generic_reloc, /* special_function */ 890 "R_MIPS16_CALL16", /* name */ 891 TRUE, /* partial_inplace */ 892 0x0000ffff, /* src_mask */ 893 0x0000ffff, /* dst_mask */ 894 FALSE), /* pcrel_offset */ 895 896 /* MIPS16 high 16 bits of symbol value. */ 897 HOWTO (R_MIPS16_HI16, /* type */ 898 16, /* rightshift */ 899 2, /* size (0 = byte, 1 = short, 2 = long) */ 900 16, /* bitsize */ 901 FALSE, /* pc_relative */ 902 0, /* bitpos */ 903 complain_overflow_dont, /* complain_on_overflow */ 904 _bfd_mips_elf_hi16_reloc, /* special_function */ 905 "R_MIPS16_HI16", /* name */ 906 TRUE, /* partial_inplace */ 907 0x0000ffff, /* src_mask */ 908 0x0000ffff, /* dst_mask */ 909 FALSE), /* pcrel_offset */ 910 911 /* MIPS16 low 16 bits of symbol value. */ 912 HOWTO (R_MIPS16_LO16, /* type */ 913 0, /* rightshift */ 914 2, /* size (0 = byte, 1 = short, 2 = long) */ 915 16, /* bitsize */ 916 FALSE, /* pc_relative */ 917 0, /* bitpos */ 918 complain_overflow_dont, /* complain_on_overflow */ 919 _bfd_mips_elf_lo16_reloc, /* special_function */ 920 "R_MIPS16_LO16", /* name */ 921 TRUE, /* partial_inplace */ 922 0x0000ffff, /* src_mask */ 923 0x0000ffff, /* dst_mask */ 924 FALSE), /* pcrel_offset */ 925 926 /* MIPS16 TLS general dynamic variable reference. */ 927 HOWTO (R_MIPS16_TLS_GD, /* type */ 928 0, /* rightshift */ 929 2, /* size (0 = byte, 1 = short, 2 = long) */ 930 16, /* bitsize */ 931 FALSE, /* pc_relative */ 932 0, /* bitpos */ 933 complain_overflow_signed, /* complain_on_overflow */ 934 _bfd_mips_elf_generic_reloc, /* special_function */ 935 "R_MIPS16_TLS_GD", /* name */ 936 TRUE, /* partial_inplace */ 937 0x0000ffff, /* src_mask */ 938 0x0000ffff, /* dst_mask */ 939 FALSE), /* pcrel_offset */ 940 941 /* MIPS16 TLS local dynamic variable reference. */ 942 HOWTO (R_MIPS16_TLS_LDM, /* type */ 943 0, /* rightshift */ 944 2, /* size (0 = byte, 1 = short, 2 = long) */ 945 16, /* bitsize */ 946 FALSE, /* pc_relative */ 947 0, /* bitpos */ 948 complain_overflow_signed, /* complain_on_overflow */ 949 _bfd_mips_elf_generic_reloc, /* special_function */ 950 "R_MIPS16_TLS_LDM", /* name */ 951 TRUE, /* partial_inplace */ 952 0x0000ffff, /* src_mask */ 953 0x0000ffff, /* dst_mask */ 954 FALSE), /* pcrel_offset */ 955 956 /* MIPS16 TLS local dynamic offset. */ 957 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 958 0, /* rightshift */ 959 2, /* size (0 = byte, 1 = short, 2 = long) */ 960 16, /* bitsize */ 961 FALSE, /* pc_relative */ 962 0, /* bitpos */ 963 complain_overflow_signed, /* complain_on_overflow */ 964 _bfd_mips_elf_generic_reloc, /* special_function */ 965 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 966 TRUE, /* partial_inplace */ 967 0x0000ffff, /* src_mask */ 968 0x0000ffff, /* dst_mask */ 969 FALSE), /* pcrel_offset */ 970 971 /* MIPS16 TLS local dynamic offset. */ 972 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 973 0, /* rightshift */ 974 2, /* size (0 = byte, 1 = short, 2 = long) */ 975 16, /* bitsize */ 976 FALSE, /* pc_relative */ 977 0, /* bitpos */ 978 complain_overflow_signed, /* complain_on_overflow */ 979 _bfd_mips_elf_generic_reloc, /* special_function */ 980 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 981 TRUE, /* partial_inplace */ 982 0x0000ffff, /* src_mask */ 983 0x0000ffff, /* dst_mask */ 984 FALSE), /* pcrel_offset */ 985 986 /* MIPS16 TLS thread pointer offset. */ 987 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 988 0, /* rightshift */ 989 2, /* size (0 = byte, 1 = short, 2 = long) */ 990 16, /* bitsize */ 991 FALSE, /* pc_relative */ 992 0, /* bitpos */ 993 complain_overflow_signed, /* complain_on_overflow */ 994 _bfd_mips_elf_generic_reloc, /* special_function */ 995 "R_MIPS16_TLS_GOTTPREL", /* name */ 996 TRUE, /* partial_inplace */ 997 0x0000ffff, /* src_mask */ 998 0x0000ffff, /* dst_mask */ 999 FALSE), /* pcrel_offset */ 1000 1001 /* MIPS16 TLS thread pointer offset. */ 1002 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1003 0, /* rightshift */ 1004 2, /* size (0 = byte, 1 = short, 2 = long) */ 1005 16, /* bitsize */ 1006 FALSE, /* pc_relative */ 1007 0, /* bitpos */ 1008 complain_overflow_signed, /* complain_on_overflow */ 1009 _bfd_mips_elf_generic_reloc, /* special_function */ 1010 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1011 TRUE, /* partial_inplace */ 1012 0x0000ffff, /* src_mask */ 1013 0x0000ffff, /* dst_mask */ 1014 FALSE), /* pcrel_offset */ 1015 1016 /* MIPS16 TLS thread pointer offset. */ 1017 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1018 0, /* rightshift */ 1019 2, /* size (0 = byte, 1 = short, 2 = long) */ 1020 16, /* bitsize */ 1021 FALSE, /* pc_relative */ 1022 0, /* bitpos */ 1023 complain_overflow_signed, /* complain_on_overflow */ 1024 _bfd_mips_elf_generic_reloc, /* special_function */ 1025 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1026 TRUE, /* partial_inplace */ 1027 0x0000ffff, /* src_mask */ 1028 0x0000ffff, /* dst_mask */ 1029 FALSE), /* pcrel_offset */ 1030 }; 1031 1032 static reloc_howto_type elf_micromips_howto_table_rel[] = 1033 { 1034 EMPTY_HOWTO (130), 1035 EMPTY_HOWTO (131), 1036 EMPTY_HOWTO (132), 1037 1038 /* 26 bit jump address. */ 1039 HOWTO (R_MICROMIPS_26_S1, /* type */ 1040 1, /* rightshift */ 1041 2, /* size (0 = byte, 1 = short, 2 = long) */ 1042 26, /* bitsize */ 1043 FALSE, /* pc_relative */ 1044 0, /* bitpos */ 1045 complain_overflow_dont, /* complain_on_overflow */ 1046 /* This needs complex overflow 1047 detection, because the upper four 1048 bits must match the PC. */ 1049 _bfd_mips_elf_generic_reloc, /* special_function */ 1050 "R_MICROMIPS_26_S1", /* name */ 1051 TRUE, /* partial_inplace */ 1052 0x3ffffff, /* src_mask */ 1053 0x3ffffff, /* dst_mask */ 1054 FALSE), /* pcrel_offset */ 1055 1056 /* High 16 bits of symbol value. */ 1057 HOWTO (R_MICROMIPS_HI16, /* type */ 1058 16, /* rightshift */ 1059 2, /* size (0 = byte, 1 = short, 2 = long) */ 1060 16, /* bitsize */ 1061 FALSE, /* pc_relative */ 1062 0, /* bitpos */ 1063 complain_overflow_dont, /* complain_on_overflow */ 1064 _bfd_mips_elf_hi16_reloc, /* special_function */ 1065 "R_MICROMIPS_HI16", /* name */ 1066 TRUE, /* partial_inplace */ 1067 0x0000ffff, /* src_mask */ 1068 0x0000ffff, /* dst_mask */ 1069 FALSE), /* pcrel_offset */ 1070 1071 /* Low 16 bits of symbol value. */ 1072 HOWTO (R_MICROMIPS_LO16, /* type */ 1073 0, /* rightshift */ 1074 2, /* size (0 = byte, 1 = short, 2 = long) */ 1075 16, /* bitsize */ 1076 FALSE, /* pc_relative */ 1077 0, /* bitpos */ 1078 complain_overflow_dont, /* complain_on_overflow */ 1079 _bfd_mips_elf_lo16_reloc, /* special_function */ 1080 "R_MICROMIPS_LO16", /* name */ 1081 TRUE, /* partial_inplace */ 1082 0x0000ffff, /* src_mask */ 1083 0x0000ffff, /* dst_mask */ 1084 FALSE), /* pcrel_offset */ 1085 1086 /* GP relative reference. */ 1087 HOWTO (R_MICROMIPS_GPREL16, /* type */ 1088 0, /* rightshift */ 1089 2, /* size (0 = byte, 1 = short, 2 = long) */ 1090 16, /* bitsize */ 1091 FALSE, /* pc_relative */ 1092 0, /* bitpos */ 1093 complain_overflow_signed, /* complain_on_overflow */ 1094 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1095 "R_MICROMIPS_GPREL16", /* name */ 1096 TRUE, /* partial_inplace */ 1097 0x0000ffff, /* src_mask */ 1098 0x0000ffff, /* dst_mask */ 1099 FALSE), /* pcrel_offset */ 1100 1101 /* Reference to literal section. */ 1102 HOWTO (R_MICROMIPS_LITERAL, /* type */ 1103 0, /* rightshift */ 1104 2, /* size (0 = byte, 1 = short, 2 = long) */ 1105 16, /* bitsize */ 1106 FALSE, /* pc_relative */ 1107 0, /* bitpos */ 1108 complain_overflow_signed, /* complain_on_overflow */ 1109 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1110 "R_MICROMIPS_LITERAL", /* name */ 1111 TRUE, /* partial_inplace */ 1112 0x0000ffff, /* src_mask */ 1113 0x0000ffff, /* dst_mask */ 1114 FALSE), /* pcrel_offset */ 1115 1116 /* Reference to global offset table. */ 1117 HOWTO (R_MICROMIPS_GOT16, /* type */ 1118 0, /* rightshift */ 1119 2, /* size (0 = byte, 1 = short, 2 = long) */ 1120 16, /* bitsize */ 1121 FALSE, /* pc_relative */ 1122 0, /* bitpos */ 1123 complain_overflow_signed, /* complain_on_overflow */ 1124 _bfd_mips_elf_got16_reloc, /* special_function */ 1125 "R_MICROMIPS_GOT16", /* name */ 1126 TRUE, /* partial_inplace */ 1127 0x0000ffff, /* src_mask */ 1128 0x0000ffff, /* dst_mask */ 1129 FALSE), /* pcrel_offset */ 1130 1131 /* This is for microMIPS branches. */ 1132 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 1133 1, /* rightshift */ 1134 1, /* size (0 = byte, 1 = short, 2 = long) */ 1135 7, /* bitsize */ 1136 TRUE, /* pc_relative */ 1137 0, /* bitpos */ 1138 complain_overflow_signed, /* complain_on_overflow */ 1139 _bfd_mips_elf_generic_reloc, /* special_function */ 1140 "R_MICROMIPS_PC7_S1", /* name */ 1141 TRUE, /* partial_inplace */ 1142 0x0000007f, /* src_mask */ 1143 0x0000007f, /* dst_mask */ 1144 TRUE), /* pcrel_offset */ 1145 1146 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 1147 1, /* rightshift */ 1148 1, /* size (0 = byte, 1 = short, 2 = long) */ 1149 10, /* bitsize */ 1150 TRUE, /* pc_relative */ 1151 0, /* bitpos */ 1152 complain_overflow_signed, /* complain_on_overflow */ 1153 _bfd_mips_elf_generic_reloc, /* special_function */ 1154 "R_MICROMIPS_PC10_S1", /* name */ 1155 TRUE, /* partial_inplace */ 1156 0x000003ff, /* src_mask */ 1157 0x000003ff, /* dst_mask */ 1158 TRUE), /* pcrel_offset */ 1159 1160 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 1161 1, /* rightshift */ 1162 2, /* size (0 = byte, 1 = short, 2 = long) */ 1163 16, /* bitsize */ 1164 TRUE, /* pc_relative */ 1165 0, /* bitpos */ 1166 complain_overflow_signed, /* complain_on_overflow */ 1167 _bfd_mips_elf_generic_reloc, /* special_function */ 1168 "R_MICROMIPS_PC16_S1", /* name */ 1169 TRUE, /* partial_inplace */ 1170 0x0000ffff, /* src_mask */ 1171 0x0000ffff, /* dst_mask */ 1172 TRUE), /* pcrel_offset */ 1173 1174 /* 16 bit call through global offset table. */ 1175 HOWTO (R_MICROMIPS_CALL16, /* type */ 1176 0, /* rightshift */ 1177 2, /* size (0 = byte, 1 = short, 2 = long) */ 1178 16, /* bitsize */ 1179 FALSE, /* pc_relative */ 1180 0, /* bitpos */ 1181 complain_overflow_signed, /* complain_on_overflow */ 1182 _bfd_mips_elf_generic_reloc, /* special_function */ 1183 "R_MICROMIPS_CALL16", /* name */ 1184 TRUE, /* partial_inplace */ 1185 0x0000ffff, /* src_mask */ 1186 0x0000ffff, /* dst_mask */ 1187 FALSE), /* pcrel_offset */ 1188 1189 EMPTY_HOWTO (143), 1190 EMPTY_HOWTO (144), 1191 1192 /* Displacement in the global offset table. */ 1193 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 1194 0, /* rightshift */ 1195 2, /* size (0 = byte, 1 = short, 2 = long) */ 1196 16, /* bitsize */ 1197 FALSE, /* pc_relative */ 1198 0, /* bitpos */ 1199 complain_overflow_signed, /* complain_on_overflow */ 1200 _bfd_mips_elf_generic_reloc, /* special_function */ 1201 "R_MICROMIPS_GOT_DISP",/* name */ 1202 TRUE, /* partial_inplace */ 1203 0x0000ffff, /* src_mask */ 1204 0x0000ffff, /* dst_mask */ 1205 FALSE), /* pcrel_offset */ 1206 1207 /* Displacement to page pointer in the global offset table. */ 1208 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 1209 0, /* rightshift */ 1210 2, /* size (0 = byte, 1 = short, 2 = long) */ 1211 16, /* bitsize */ 1212 FALSE, /* pc_relative */ 1213 0, /* bitpos */ 1214 complain_overflow_signed, /* complain_on_overflow */ 1215 _bfd_mips_elf_generic_reloc, /* special_function */ 1216 "R_MICROMIPS_GOT_PAGE",/* name */ 1217 TRUE, /* partial_inplace */ 1218 0x0000ffff, /* src_mask */ 1219 0x0000ffff, /* dst_mask */ 1220 FALSE), /* pcrel_offset */ 1221 1222 /* Offset from page pointer in the global offset table. */ 1223 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 1224 0, /* rightshift */ 1225 2, /* size (0 = byte, 1 = short, 2 = long) */ 1226 16, /* bitsize */ 1227 FALSE, /* pc_relative */ 1228 0, /* bitpos */ 1229 complain_overflow_signed, /* complain_on_overflow */ 1230 _bfd_mips_elf_generic_reloc, /* special_function */ 1231 "R_MICROMIPS_GOT_OFST",/* name */ 1232 TRUE, /* partial_inplace */ 1233 0x0000ffff, /* src_mask */ 1234 0x0000ffff, /* dst_mask */ 1235 FALSE), /* pcrel_offset */ 1236 1237 /* High 16 bits of displacement in global offset table. */ 1238 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 1239 0, /* rightshift */ 1240 2, /* size (0 = byte, 1 = short, 2 = long) */ 1241 16, /* bitsize */ 1242 FALSE, /* pc_relative */ 1243 0, /* bitpos */ 1244 complain_overflow_dont, /* complain_on_overflow */ 1245 _bfd_mips_elf_generic_reloc, /* special_function */ 1246 "R_MICROMIPS_GOT_HI16",/* name */ 1247 TRUE, /* partial_inplace */ 1248 0x0000ffff, /* src_mask */ 1249 0x0000ffff, /* dst_mask */ 1250 FALSE), /* pcrel_offset */ 1251 1252 /* Low 16 bits of displacement in global offset table. */ 1253 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 1254 0, /* rightshift */ 1255 2, /* size (0 = byte, 1 = short, 2 = long) */ 1256 16, /* bitsize */ 1257 FALSE, /* pc_relative */ 1258 0, /* bitpos */ 1259 complain_overflow_dont, /* complain_on_overflow */ 1260 _bfd_mips_elf_generic_reloc, /* special_function */ 1261 "R_MICROMIPS_GOT_LO16",/* name */ 1262 TRUE, /* partial_inplace */ 1263 0x0000ffff, /* src_mask */ 1264 0x0000ffff, /* dst_mask */ 1265 FALSE), /* pcrel_offset */ 1266 1267 /* 64 bit subtraction. Used in the N32 ABI. */ 1268 HOWTO (R_MICROMIPS_SUB, /* type */ 1269 0, /* rightshift */ 1270 4, /* size (0 = byte, 1 = short, 2 = long) */ 1271 64, /* bitsize */ 1272 FALSE, /* pc_relative */ 1273 0, /* bitpos */ 1274 complain_overflow_dont, /* complain_on_overflow */ 1275 _bfd_mips_elf_generic_reloc, /* special_function */ 1276 "R_MICROMIPS_SUB", /* name */ 1277 TRUE, /* partial_inplace */ 1278 MINUS_ONE, /* src_mask */ 1279 MINUS_ONE, /* dst_mask */ 1280 FALSE), /* pcrel_offset */ 1281 1282 /* Get the higher value of a 64 bit addend. */ 1283 HOWTO (R_MICROMIPS_HIGHER, /* type */ 1284 0, /* rightshift */ 1285 2, /* size (0 = byte, 1 = short, 2 = long) */ 1286 16, /* bitsize */ 1287 FALSE, /* pc_relative */ 1288 0, /* bitpos */ 1289 complain_overflow_dont, /* complain_on_overflow */ 1290 _bfd_mips_elf_generic_reloc, /* special_function */ 1291 "R_MICROMIPS_HIGHER", /* name */ 1292 TRUE, /* partial_inplace */ 1293 0x0000ffff, /* src_mask */ 1294 0x0000ffff, /* dst_mask */ 1295 FALSE), /* pcrel_offset */ 1296 1297 /* Get the highest value of a 64 bit addend. */ 1298 HOWTO (R_MICROMIPS_HIGHEST, /* type */ 1299 0, /* rightshift */ 1300 2, /* size (0 = byte, 1 = short, 2 = long) */ 1301 16, /* bitsize */ 1302 FALSE, /* pc_relative */ 1303 0, /* bitpos */ 1304 complain_overflow_dont, /* complain_on_overflow */ 1305 _bfd_mips_elf_generic_reloc, /* special_function */ 1306 "R_MICROMIPS_HIGHEST", /* name */ 1307 TRUE, /* partial_inplace */ 1308 0x0000ffff, /* src_mask */ 1309 0x0000ffff, /* dst_mask */ 1310 FALSE), /* pcrel_offset */ 1311 1312 /* High 16 bits of displacement in global offset table. */ 1313 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 1314 0, /* rightshift */ 1315 2, /* size (0 = byte, 1 = short, 2 = long) */ 1316 16, /* bitsize */ 1317 FALSE, /* pc_relative */ 1318 0, /* bitpos */ 1319 complain_overflow_dont, /* complain_on_overflow */ 1320 _bfd_mips_elf_generic_reloc, /* special_function */ 1321 "R_MICROMIPS_CALL_HI16",/* name */ 1322 TRUE, /* partial_inplace */ 1323 0x0000ffff, /* src_mask */ 1324 0x0000ffff, /* dst_mask */ 1325 FALSE), /* pcrel_offset */ 1326 1327 /* Low 16 bits of displacement in global offset table. */ 1328 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 1329 0, /* rightshift */ 1330 2, /* size (0 = byte, 1 = short, 2 = long) */ 1331 16, /* bitsize */ 1332 FALSE, /* pc_relative */ 1333 0, /* bitpos */ 1334 complain_overflow_dont, /* complain_on_overflow */ 1335 _bfd_mips_elf_generic_reloc, /* special_function */ 1336 "R_MICROMIPS_CALL_LO16",/* name */ 1337 TRUE, /* partial_inplace */ 1338 0x0000ffff, /* src_mask */ 1339 0x0000ffff, /* dst_mask */ 1340 FALSE), /* pcrel_offset */ 1341 1342 /* Section displacement. */ 1343 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 1344 0, /* rightshift */ 1345 2, /* size (0 = byte, 1 = short, 2 = long) */ 1346 32, /* bitsize */ 1347 FALSE, /* pc_relative */ 1348 0, /* bitpos */ 1349 complain_overflow_dont, /* complain_on_overflow */ 1350 _bfd_mips_elf_generic_reloc, /* special_function */ 1351 "R_MICROMIPS_SCN_DISP",/* name */ 1352 TRUE, /* partial_inplace */ 1353 0xffffffff, /* src_mask */ 1354 0xffffffff, /* dst_mask */ 1355 FALSE), /* pcrel_offset */ 1356 1357 /* Protected jump conversion. This is an optimization hint. No 1358 relocation is required for correctness. */ 1359 HOWTO (R_MICROMIPS_JALR, /* type */ 1360 0, /* rightshift */ 1361 2, /* size (0 = byte, 1 = short, 2 = long) */ 1362 32, /* bitsize */ 1363 FALSE, /* pc_relative */ 1364 0, /* bitpos */ 1365 complain_overflow_dont, /* complain_on_overflow */ 1366 _bfd_mips_elf_generic_reloc, /* special_function */ 1367 "R_MICROMIPS_JALR", /* name */ 1368 FALSE, /* partial_inplace */ 1369 0x00000000, /* src_mask */ 1370 0x00000000, /* dst_mask */ 1371 FALSE), /* pcrel_offset */ 1372 1373 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values 1374 must be zero. This is used for relaxation. */ 1375 HOWTO (R_MICROMIPS_HI0_LO16, /* type */ 1376 0, /* rightshift */ 1377 2, /* size (0 = byte, 1 = short, 2 = long) */ 1378 16, /* bitsize */ 1379 FALSE, /* pc_relative */ 1380 0, /* bitpos */ 1381 complain_overflow_dont, /* complain_on_overflow */ 1382 _bfd_mips_elf_generic_reloc, /* special_function */ 1383 "R_MICROMIPS_HI0_LO16",/* name */ 1384 TRUE, /* partial_inplace */ 1385 0x0000ffff, /* src_mask */ 1386 0x0000ffff, /* dst_mask */ 1387 FALSE), /* pcrel_offset */ 1388 1389 EMPTY_HOWTO (158), 1390 EMPTY_HOWTO (159), 1391 EMPTY_HOWTO (160), 1392 EMPTY_HOWTO (161), 1393 1394 /* TLS general dynamic variable reference. */ 1395 HOWTO (R_MICROMIPS_TLS_GD, /* type */ 1396 0, /* rightshift */ 1397 2, /* size (0 = byte, 1 = short, 2 = long) */ 1398 16, /* bitsize */ 1399 FALSE, /* pc_relative */ 1400 0, /* bitpos */ 1401 complain_overflow_signed, /* complain_on_overflow */ 1402 _bfd_mips_elf_generic_reloc, /* special_function */ 1403 "R_MICROMIPS_TLS_GD", /* name */ 1404 TRUE, /* partial_inplace */ 1405 0x0000ffff, /* src_mask */ 1406 0x0000ffff, /* dst_mask */ 1407 FALSE), /* pcrel_offset */ 1408 1409 /* TLS local dynamic variable reference. */ 1410 HOWTO (R_MICROMIPS_TLS_LDM, /* type */ 1411 0, /* rightshift */ 1412 2, /* size (0 = byte, 1 = short, 2 = long) */ 1413 16, /* bitsize */ 1414 FALSE, /* pc_relative */ 1415 0, /* bitpos */ 1416 complain_overflow_signed, /* complain_on_overflow */ 1417 _bfd_mips_elf_generic_reloc, /* special_function */ 1418 "R_MICROMIPS_TLS_LDM", /* name */ 1419 TRUE, /* partial_inplace */ 1420 0x0000ffff, /* src_mask */ 1421 0x0000ffff, /* dst_mask */ 1422 FALSE), /* pcrel_offset */ 1423 1424 /* TLS local dynamic offset. */ 1425 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */ 1426 0, /* rightshift */ 1427 2, /* size (0 = byte, 1 = short, 2 = long) */ 1428 16, /* bitsize */ 1429 FALSE, /* pc_relative */ 1430 0, /* bitpos */ 1431 complain_overflow_signed, /* complain_on_overflow */ 1432 _bfd_mips_elf_generic_reloc, /* special_function */ 1433 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */ 1434 TRUE, /* partial_inplace */ 1435 0x0000ffff, /* src_mask */ 1436 0x0000ffff, /* dst_mask */ 1437 FALSE), /* pcrel_offset */ 1438 1439 /* TLS local dynamic offset. */ 1440 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */ 1441 0, /* rightshift */ 1442 2, /* size (0 = byte, 1 = short, 2 = long) */ 1443 16, /* bitsize */ 1444 FALSE, /* pc_relative */ 1445 0, /* bitpos */ 1446 complain_overflow_signed, /* complain_on_overflow */ 1447 _bfd_mips_elf_generic_reloc, /* special_function */ 1448 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */ 1449 TRUE, /* partial_inplace */ 1450 0x0000ffff, /* src_mask */ 1451 0x0000ffff, /* dst_mask */ 1452 FALSE), /* pcrel_offset */ 1453 1454 /* TLS thread pointer offset. */ 1455 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */ 1456 0, /* rightshift */ 1457 2, /* size (0 = byte, 1 = short, 2 = long) */ 1458 16, /* bitsize */ 1459 FALSE, /* pc_relative */ 1460 0, /* bitpos */ 1461 complain_overflow_signed, /* complain_on_overflow */ 1462 _bfd_mips_elf_generic_reloc, /* special_function */ 1463 "R_MICROMIPS_TLS_GOTTPREL", /* name */ 1464 TRUE, /* partial_inplace */ 1465 0x0000ffff, /* src_mask */ 1466 0x0000ffff, /* dst_mask */ 1467 FALSE), /* pcrel_offset */ 1468 1469 EMPTY_HOWTO (167), 1470 EMPTY_HOWTO (168), 1471 1472 /* TLS thread pointer offset. */ 1473 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */ 1474 0, /* rightshift */ 1475 2, /* size (0 = byte, 1 = short, 2 = long) */ 1476 16, /* bitsize */ 1477 FALSE, /* pc_relative */ 1478 0, /* bitpos */ 1479 complain_overflow_signed, /* complain_on_overflow */ 1480 _bfd_mips_elf_generic_reloc, /* special_function */ 1481 "R_MICROMIPS_TLS_TPREL_HI16", /* name */ 1482 TRUE, /* partial_inplace */ 1483 0x0000ffff, /* src_mask */ 1484 0x0000ffff, /* dst_mask */ 1485 FALSE), /* pcrel_offset */ 1486 1487 /* TLS thread pointer offset. */ 1488 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */ 1489 0, /* rightshift */ 1490 2, /* size (0 = byte, 1 = short, 2 = long) */ 1491 16, /* bitsize */ 1492 FALSE, /* pc_relative */ 1493 0, /* bitpos */ 1494 complain_overflow_signed, /* complain_on_overflow */ 1495 _bfd_mips_elf_generic_reloc, /* special_function */ 1496 "R_MICROMIPS_TLS_TPREL_LO16", /* name */ 1497 TRUE, /* partial_inplace */ 1498 0x0000ffff, /* src_mask */ 1499 0x0000ffff, /* dst_mask */ 1500 FALSE), /* pcrel_offset */ 1501 1502 EMPTY_HOWTO (171), 1503 1504 /* GP- and PC-relative relocations. */ 1505 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */ 1506 2, /* rightshift */ 1507 1, /* size (0 = byte, 1 = short, 2 = long) */ 1508 7, /* bitsize */ 1509 FALSE, /* pc_relative */ 1510 0, /* bitpos */ 1511 complain_overflow_signed, /* complain_on_overflow */ 1512 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 1513 "R_MICROMIPS_GPREL7_S2", /* name */ 1514 TRUE, /* partial_inplace */ 1515 0x0000007f, /* src_mask */ 1516 0x0000007f, /* dst_mask */ 1517 FALSE), /* pcrel_offset */ 1518 1519 HOWTO (R_MICROMIPS_PC23_S2, /* type */ 1520 2, /* rightshift */ 1521 2, /* size (0 = byte, 1 = short, 2 = long) */ 1522 23, /* bitsize */ 1523 TRUE, /* pc_relative */ 1524 0, /* bitpos */ 1525 complain_overflow_signed, /* complain_on_overflow */ 1526 _bfd_mips_elf_generic_reloc, /* special_function */ 1527 "R_MICROMIPS_PC23_S2", /* name */ 1528 TRUE, /* partial_inplace */ 1529 0x007fffff, /* src_mask */ 1530 0x007fffff, /* dst_mask */ 1531 TRUE), /* pcrel_offset */ 1532 }; 1533 1534 /* 16 bit offset for pc-relative branches. */ 1535 static reloc_howto_type elf_mips_gnu_rel16_s2 = 1536 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 1537 2, /* rightshift */ 1538 2, /* size (0 = byte, 1 = short, 2 = long) */ 1539 16, /* bitsize */ 1540 TRUE, /* pc_relative */ 1541 0, /* bitpos */ 1542 complain_overflow_signed, /* complain_on_overflow */ 1543 _bfd_mips_elf_generic_reloc, /* special_function */ 1544 "R_MIPS_GNU_REL16_S2", /* name */ 1545 TRUE, /* partial_inplace */ 1546 0xffff, /* src_mask */ 1547 0xffff, /* dst_mask */ 1548 TRUE); /* pcrel_offset */ 1549 1550 /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC. 1551 It was co-opted by mips-linux for exception-handling data. It is no 1552 longer used, but should continue to be supported by the linker for 1553 backward compatibility. (GCC stopped using it in May, 2004.) */ 1554 static reloc_howto_type elf_mips_gnu_pcrel32 = 1555 HOWTO (R_MIPS_PC32, /* type */ 1556 0, /* rightshift */ 1557 2, /* size (0 = byte, 1 = short, 2 = long) */ 1558 32, /* bitsize */ 1559 TRUE, /* pc_relative */ 1560 0, /* bitpos */ 1561 complain_overflow_signed, /* complain_on_overflow */ 1562 _bfd_mips_elf_generic_reloc, /* special_function */ 1563 "R_MIPS_PC32", /* name */ 1564 TRUE, /* partial_inplace */ 1565 0xffffffff, /* src_mask */ 1566 0xffffffff, /* dst_mask */ 1567 TRUE); /* pcrel_offset */ 1568 1569 /* GNU extension to record C++ vtable hierarchy */ 1570 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 1571 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 1572 0, /* rightshift */ 1573 2, /* size (0 = byte, 1 = short, 2 = long) */ 1574 0, /* bitsize */ 1575 FALSE, /* pc_relative */ 1576 0, /* bitpos */ 1577 complain_overflow_dont, /* complain_on_overflow */ 1578 NULL, /* special_function */ 1579 "R_MIPS_GNU_VTINHERIT", /* name */ 1580 FALSE, /* partial_inplace */ 1581 0, /* src_mask */ 1582 0, /* dst_mask */ 1583 FALSE); /* pcrel_offset */ 1584 1585 /* GNU extension to record C++ vtable member usage */ 1586 static reloc_howto_type elf_mips_gnu_vtentry_howto = 1587 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 1588 0, /* rightshift */ 1589 2, /* size (0 = byte, 1 = short, 2 = long) */ 1590 0, /* bitsize */ 1591 FALSE, /* pc_relative */ 1592 0, /* bitpos */ 1593 complain_overflow_dont, /* complain_on_overflow */ 1594 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 1595 "R_MIPS_GNU_VTENTRY", /* name */ 1596 FALSE, /* partial_inplace */ 1597 0, /* src_mask */ 1598 0, /* dst_mask */ 1599 FALSE); /* pcrel_offset */ 1600 1601 /* Originally a VxWorks extension, but now used for other systems too. */ 1602 static reloc_howto_type elf_mips_copy_howto = 1603 HOWTO (R_MIPS_COPY, /* type */ 1604 0, /* rightshift */ 1605 0, /* this one is variable size */ 1606 0, /* bitsize */ 1607 FALSE, /* pc_relative */ 1608 0, /* bitpos */ 1609 complain_overflow_bitfield, /* complain_on_overflow */ 1610 _bfd_mips_elf_generic_reloc, /* special_function */ 1611 "R_MIPS_COPY", /* name */ 1612 FALSE, /* partial_inplace */ 1613 0x0, /* src_mask */ 1614 0x0, /* dst_mask */ 1615 FALSE); /* pcrel_offset */ 1616 1617 /* Originally a VxWorks extension, but now used for other systems too. */ 1618 static reloc_howto_type elf_mips_jump_slot_howto = 1619 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 1620 0, /* rightshift */ 1621 2, /* size (0 = byte, 1 = short, 2 = long) */ 1622 32, /* bitsize */ 1623 FALSE, /* pc_relative */ 1624 0, /* bitpos */ 1625 complain_overflow_bitfield, /* complain_on_overflow */ 1626 _bfd_mips_elf_generic_reloc, /* special_function */ 1627 "R_MIPS_JUMP_SLOT", /* name */ 1628 FALSE, /* partial_inplace */ 1629 0x0, /* src_mask */ 1630 0x0, /* dst_mask */ 1631 FALSE); /* pcrel_offset */ 1632 1633 /* Used in EH tables. */ 1634 static reloc_howto_type elf_mips_eh_howto = 1635 HOWTO (R_MIPS_EH, /* type */ 1636 0, /* rightshift */ 1637 2, /* size (0 = byte, 1 = short, 2 = long) */ 1638 32, /* bitsize */ 1639 FALSE, /* pc_relative */ 1640 0, /* bitpos */ 1641 complain_overflow_signed, /* complain_on_overflow */ 1642 _bfd_mips_elf_generic_reloc, /* special_function */ 1643 "R_MIPS_EH", /* name */ 1644 TRUE, /* partial_inplace */ 1645 0xffffffff, /* src_mask */ 1646 0xffffffff, /* dst_mask */ 1647 FALSE); /* pcrel_offset */ 1648 1649 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 1650 dangerous relocation. */ 1651 1652 static bfd_boolean 1653 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) 1654 { 1655 unsigned int count; 1656 asymbol **sym; 1657 unsigned int i; 1658 1659 /* If we've already figured out what GP will be, just return it. */ 1660 *pgp = _bfd_get_gp_value (output_bfd); 1661 if (*pgp) 1662 return TRUE; 1663 1664 count = bfd_get_symcount (output_bfd); 1665 sym = bfd_get_outsymbols (output_bfd); 1666 1667 /* The linker script will have created a symbol named `_gp' with the 1668 appropriate value. */ 1669 if (sym == NULL) 1670 i = count; 1671 else 1672 { 1673 for (i = 0; i < count; i++, sym++) 1674 { 1675 register const char *name; 1676 1677 name = bfd_asymbol_name (*sym); 1678 if (*name == '_' && strcmp (name, "_gp") == 0) 1679 { 1680 *pgp = bfd_asymbol_value (*sym); 1681 _bfd_set_gp_value (output_bfd, *pgp); 1682 break; 1683 } 1684 } 1685 } 1686 1687 if (i >= count) 1688 { 1689 /* Only get the error once. */ 1690 *pgp = 4; 1691 _bfd_set_gp_value (output_bfd, *pgp); 1692 return FALSE; 1693 } 1694 1695 return TRUE; 1696 } 1697 1698 /* We have to figure out the gp value, so that we can adjust the 1699 symbol value correctly. We look up the symbol _gp in the output 1700 BFD. If we can't find it, we're stuck. We cache it in the ELF 1701 target data. We don't need to adjust the symbol value for an 1702 external symbol if we are producing relocatable output. */ 1703 1704 static bfd_reloc_status_type 1705 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 1706 char **error_message, bfd_vma *pgp) 1707 { 1708 if (bfd_is_und_section (symbol->section) 1709 && ! relocatable) 1710 { 1711 *pgp = 0; 1712 return bfd_reloc_undefined; 1713 } 1714 1715 *pgp = _bfd_get_gp_value (output_bfd); 1716 if (*pgp == 0 1717 && (! relocatable 1718 || (symbol->flags & BSF_SECTION_SYM) != 0)) 1719 { 1720 if (relocatable) 1721 { 1722 /* Make up a value. */ 1723 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 1724 _bfd_set_gp_value (output_bfd, *pgp); 1725 } 1726 else if (!mips_elf_assign_gp (output_bfd, pgp)) 1727 { 1728 *error_message = 1729 (char *) _("GP relative relocation when _gp not defined"); 1730 return bfd_reloc_dangerous; 1731 } 1732 } 1733 1734 return bfd_reloc_ok; 1735 } 1736 1737 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 1738 become the offset from the gp register. This function also handles 1739 R_MIPS_LITERAL relocations, although those can be handled more 1740 cleverly because the entries in the .lit8 and .lit4 sections can be 1741 merged. */ 1742 1743 bfd_reloc_status_type 1744 _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, 1745 asymbol *symbol, void *data, 1746 asection *input_section, bfd *output_bfd, 1747 char **error_message) 1748 { 1749 bfd_boolean relocatable; 1750 bfd_reloc_status_type ret; 1751 bfd_byte *location; 1752 bfd_vma gp; 1753 1754 /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local 1755 symbols only. */ 1756 if (literal_reloc_p (reloc_entry->howto->type) 1757 && output_bfd != NULL 1758 && (symbol->flags & BSF_SECTION_SYM) == 0 1759 && (symbol->flags & BSF_LOCAL) != 0) 1760 { 1761 *error_message = (char *) 1762 _("literal relocation occurs for an external symbol"); 1763 return bfd_reloc_outofrange; 1764 } 1765 1766 if (output_bfd != NULL) 1767 relocatable = TRUE; 1768 else 1769 { 1770 relocatable = FALSE; 1771 output_bfd = symbol->section->output_section->owner; 1772 } 1773 1774 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 1775 &gp); 1776 if (ret != bfd_reloc_ok) 1777 return ret; 1778 1779 location = (bfd_byte *) data + reloc_entry->address; 1780 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 1781 location); 1782 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 1783 input_section, relocatable, 1784 data, gp); 1785 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 1786 location); 1787 1788 return ret; 1789 } 1790 1791 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 1792 become the offset from the gp register. */ 1793 1794 static bfd_reloc_status_type 1795 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 1796 void *data, asection *input_section, bfd *output_bfd, 1797 char **error_message) 1798 { 1799 bfd_boolean relocatable; 1800 bfd_reloc_status_type ret; 1801 bfd_vma gp; 1802 1803 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 1804 if (output_bfd != NULL 1805 && (symbol->flags & BSF_SECTION_SYM) == 0 1806 && (symbol->flags & BSF_LOCAL) != 0) 1807 { 1808 *error_message = (char *) 1809 _("32bits gp relative relocation occurs for an external symbol"); 1810 return bfd_reloc_outofrange; 1811 } 1812 1813 if (output_bfd != NULL) 1814 relocatable = TRUE; 1815 else 1816 { 1817 relocatable = FALSE; 1818 output_bfd = symbol->section->output_section->owner; 1819 } 1820 1821 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, 1822 error_message, &gp); 1823 if (ret != bfd_reloc_ok) 1824 return ret; 1825 1826 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, 1827 relocatable, data, gp); 1828 } 1829 1830 static bfd_reloc_status_type 1831 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, 1832 asection *input_section, bfd_boolean relocatable, 1833 void *data, bfd_vma gp) 1834 { 1835 bfd_vma relocation; 1836 bfd_vma val; 1837 1838 if (bfd_is_com_section (symbol->section)) 1839 relocation = 0; 1840 else 1841 relocation = symbol->value; 1842 1843 relocation += symbol->section->output_section->vma; 1844 relocation += symbol->section->output_offset; 1845 1846 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 1847 return bfd_reloc_outofrange; 1848 1849 /* Set val to the offset into the section or symbol. */ 1850 val = reloc_entry->addend; 1851 1852 if (reloc_entry->howto->partial_inplace) 1853 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 1854 1855 /* Adjust val for the final section location and GP value. If we 1856 are producing relocatable output, we don't want to do this for 1857 an external symbol. */ 1858 if (! relocatable 1859 || (symbol->flags & BSF_SECTION_SYM) != 0) 1860 val += relocation - gp; 1861 1862 if (reloc_entry->howto->partial_inplace) 1863 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 1864 else 1865 reloc_entry->addend = val; 1866 1867 if (relocatable) 1868 reloc_entry->address += input_section->output_offset; 1869 1870 return bfd_reloc_ok; 1871 } 1872 1873 /* Handle a 64 bit reloc in a 32 bit MIPS ELF file. These are 1874 generated when addresses are 64 bits. The upper 32 bits are a simple 1875 sign extension. */ 1876 1877 static bfd_reloc_status_type 1878 mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry, 1879 asymbol *symbol ATTRIBUTE_UNUSED, 1880 void *data, asection *input_section, 1881 bfd *output_bfd, char **error_message) 1882 { 1883 bfd_reloc_status_type r; 1884 arelent reloc32; 1885 unsigned long val; 1886 bfd_size_type addr; 1887 1888 /* Do a normal 32 bit relocation on the lower 32 bits. */ 1889 reloc32 = *reloc_entry; 1890 if (bfd_big_endian (abfd)) 1891 reloc32.address += 4; 1892 reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32]; 1893 r = bfd_perform_relocation (abfd, &reloc32, data, input_section, 1894 output_bfd, error_message); 1895 1896 /* Sign extend into the upper 32 bits. */ 1897 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address); 1898 if ((val & 0x80000000) != 0) 1899 val = 0xffffffff; 1900 else 1901 val = 0; 1902 addr = reloc_entry->address; 1903 if (bfd_little_endian (abfd)) 1904 addr += 4; 1905 bfd_put_32 (abfd, val, (bfd_byte *) data + addr); 1906 1907 return r; 1908 } 1909 1910 /* Handle a mips16 GP relative reloc. */ 1911 1912 static bfd_reloc_status_type 1913 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 1914 void *data, asection *input_section, bfd *output_bfd, 1915 char **error_message) 1916 { 1917 bfd_boolean relocatable; 1918 bfd_reloc_status_type ret; 1919 bfd_byte *location; 1920 bfd_vma gp; 1921 1922 /* If we're relocating, and this is an external symbol, we don't want 1923 to change anything. */ 1924 if (output_bfd != NULL 1925 && (symbol->flags & BSF_SECTION_SYM) == 0 1926 && (symbol->flags & BSF_LOCAL) != 0) 1927 { 1928 reloc_entry->address += input_section->output_offset; 1929 return bfd_reloc_ok; 1930 } 1931 1932 if (output_bfd != NULL) 1933 relocatable = TRUE; 1934 else 1935 { 1936 relocatable = FALSE; 1937 output_bfd = symbol->section->output_section->owner; 1938 } 1939 1940 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, 1941 &gp); 1942 if (ret != bfd_reloc_ok) 1943 return ret; 1944 1945 location = (bfd_byte *) data + reloc_entry->address; 1946 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 1947 location); 1948 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 1949 input_section, relocatable, 1950 data, gp); 1951 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 1952 location); 1953 1954 return ret; 1955 } 1956 1957 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 1958 1959 struct elf_reloc_map { 1960 bfd_reloc_code_real_type bfd_val; 1961 enum elf_mips_reloc_type elf_val; 1962 }; 1963 1964 static const struct elf_reloc_map mips_reloc_map[] = 1965 { 1966 { BFD_RELOC_NONE, R_MIPS_NONE }, 1967 { BFD_RELOC_16, R_MIPS_16 }, 1968 { BFD_RELOC_32, R_MIPS_32 }, 1969 /* There is no BFD reloc for R_MIPS_REL32. */ 1970 { BFD_RELOC_64, R_MIPS_64 }, 1971 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 1972 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 1973 { BFD_RELOC_LO16, R_MIPS_LO16 }, 1974 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 1975 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 1976 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 1977 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 1978 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 1979 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 1980 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 1981 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 1982 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 1983 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 1984 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 1985 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 1986 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 1987 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 1988 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 1989 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 1990 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 1991 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 1992 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 1993 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 1994 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 1995 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 1996 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 1997 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 1998 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 1999 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 2000 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 2001 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 2002 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 2003 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 2004 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 2005 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 2006 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 2007 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 2008 }; 2009 2010 static const struct elf_reloc_map mips16_reloc_map[] = 2011 { 2012 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 2013 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 2014 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 2015 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 2016 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 2017 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 2018 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 2019 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 2020 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 2021 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 2022 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 2023 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 2024 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 2025 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 2026 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min } 2027 }; 2028 2029 static const struct elf_reloc_map micromips_reloc_map[] = 2030 { 2031 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 2032 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 2033 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 2034 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 2035 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 2036 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 2037 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 2038 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 2039 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 2040 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 2041 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 2042 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 2043 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 2044 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 2045 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 2046 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 2047 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 2048 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 2049 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 2050 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 2051 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 2052 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 2053 /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */ 2054 { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min }, 2055 { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min }, 2056 { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16, 2057 R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min }, 2058 { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16, 2059 R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min }, 2060 { BFD_RELOC_MICROMIPS_TLS_GOTTPREL, 2061 R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min }, 2062 { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16, 2063 R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min }, 2064 { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16, 2065 R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min }, 2066 /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */ 2067 /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */ 2068 }; 2069 2070 /* Given a BFD reloc type, return a howto structure. */ 2071 2072 static reloc_howto_type * 2073 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) 2074 { 2075 unsigned int i; 2076 reloc_howto_type *howto_table = elf_mips_howto_table_rel; 2077 reloc_howto_type *howto16_table = elf_mips16_howto_table_rel; 2078 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel; 2079 2080 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 2081 i++) 2082 { 2083 if (mips_reloc_map[i].bfd_val == code) 2084 return &howto_table[(int) mips_reloc_map[i].elf_val]; 2085 } 2086 2087 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 2088 i++) 2089 { 2090 if (mips16_reloc_map[i].bfd_val == code) 2091 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 2092 } 2093 2094 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 2095 i++) 2096 { 2097 if (micromips_reloc_map[i].bfd_val == code) 2098 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 2099 } 2100 2101 switch (code) 2102 { 2103 default: 2104 bfd_set_error (bfd_error_bad_value); 2105 return NULL; 2106 2107 case BFD_RELOC_CTOR: 2108 /* We need to handle BFD_RELOC_CTOR specially. 2109 Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the 2110 size of addresses of the ABI. */ 2111 if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64 2112 | E_MIPS_ABI_EABI64)) != 0) 2113 return &elf_mips_ctor64_howto; 2114 else 2115 return &howto_table[(int) R_MIPS_32]; 2116 2117 case BFD_RELOC_VTABLE_INHERIT: 2118 return &elf_mips_gnu_vtinherit_howto; 2119 case BFD_RELOC_VTABLE_ENTRY: 2120 return &elf_mips_gnu_vtentry_howto; 2121 case BFD_RELOC_32_PCREL: 2122 return &elf_mips_gnu_pcrel32; 2123 case BFD_RELOC_MIPS_COPY: 2124 return &elf_mips_copy_howto; 2125 case BFD_RELOC_MIPS_JUMP_SLOT: 2126 return &elf_mips_jump_slot_howto; 2127 case BFD_RELOC_MIPS_EH: 2128 return &elf_mips_eh_howto; 2129 } 2130 } 2131 2132 static reloc_howto_type * 2133 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 2134 const char *r_name) 2135 { 2136 unsigned int i; 2137 2138 for (i = 0; 2139 i < (sizeof (elf_mips_howto_table_rel) 2140 / sizeof (elf_mips_howto_table_rel[0])); 2141 i++) 2142 if (elf_mips_howto_table_rel[i].name != NULL 2143 && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0) 2144 return &elf_mips_howto_table_rel[i]; 2145 2146 for (i = 0; 2147 i < (sizeof (elf_mips16_howto_table_rel) 2148 / sizeof (elf_mips16_howto_table_rel[0])); 2149 i++) 2150 if (elf_mips16_howto_table_rel[i].name != NULL 2151 && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0) 2152 return &elf_mips16_howto_table_rel[i]; 2153 2154 for (i = 0; 2155 i < (sizeof (elf_micromips_howto_table_rel) 2156 / sizeof (elf_micromips_howto_table_rel[0])); 2157 i++) 2158 if (elf_micromips_howto_table_rel[i].name != NULL 2159 && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0) 2160 return &elf_micromips_howto_table_rel[i]; 2161 2162 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 2163 return &elf_mips_gnu_pcrel32; 2164 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 2165 return &elf_mips_gnu_rel16_s2; 2166 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 2167 return &elf_mips_gnu_vtinherit_howto; 2168 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 2169 return &elf_mips_gnu_vtentry_howto; 2170 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 2171 return &elf_mips_copy_howto; 2172 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 2173 return &elf_mips_jump_slot_howto; 2174 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 2175 return &elf_mips_eh_howto; 2176 2177 return NULL; 2178 } 2179 2180 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 2181 2182 static reloc_howto_type * 2183 mips_elf32_rtype_to_howto (unsigned int r_type, 2184 bfd_boolean rela_p ATTRIBUTE_UNUSED) 2185 { 2186 switch (r_type) 2187 { 2188 case R_MIPS_GNU_VTINHERIT: 2189 return &elf_mips_gnu_vtinherit_howto; 2190 case R_MIPS_GNU_VTENTRY: 2191 return &elf_mips_gnu_vtentry_howto; 2192 case R_MIPS_GNU_REL16_S2: 2193 return &elf_mips_gnu_rel16_s2; 2194 case R_MIPS_PC32: 2195 return &elf_mips_gnu_pcrel32; 2196 case R_MIPS_COPY: 2197 return &elf_mips_copy_howto; 2198 case R_MIPS_JUMP_SLOT: 2199 return &elf_mips_jump_slot_howto; 2200 case R_MIPS_EH: 2201 return &elf_mips_eh_howto; 2202 default: 2203 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 2204 return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; 2205 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 2206 return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; 2207 BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); 2208 return &elf_mips_howto_table_rel[r_type]; 2209 } 2210 } 2211 2212 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 2213 2214 static void 2215 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 2216 { 2217 const struct elf_backend_data *bed; 2218 unsigned int r_type; 2219 2220 r_type = ELF32_R_TYPE (dst->r_info); 2221 bed = get_elf_backend_data (abfd); 2222 cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (r_type, FALSE); 2223 2224 /* The addend for a GPREL16 or LITERAL relocation comes from the GP 2225 value for the object file. We get the addend now, rather than 2226 when we do the relocation, because the symbol manipulations done 2227 by the linker may cause us to lose track of the input BFD. */ 2228 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 2229 && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type))) 2230 cache_ptr->addend = elf_gp (abfd); 2231 } 2232 2233 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ 2234 2235 static void 2236 mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 2237 { 2238 mips_info_to_howto_rel (abfd, cache_ptr, dst); 2239 2240 /* If we ever need to do any extra processing with dst->r_addend 2241 (the field omitted in an Elf_Internal_Rel) we can do it here. */ 2242 } 2243 2244 /* Determine whether a symbol is global for the purposes of splitting 2246 the symbol table into global symbols and local symbols. At least 2247 on Irix 5, this split must be between section symbols and all other 2248 symbols. On most ELF targets the split is between static symbols 2249 and externally visible symbols. */ 2250 2251 static bfd_boolean 2252 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) 2253 { 2254 if (SGI_COMPAT (abfd)) 2255 return (sym->flags & BSF_SECTION_SYM) == 0; 2256 else 2257 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 2258 || bfd_is_und_section (bfd_get_section (sym)) 2259 || bfd_is_com_section (bfd_get_section (sym))); 2260 } 2261 2262 /* Set the right machine number for a MIPS ELF file. */ 2264 2265 static bfd_boolean 2266 mips_elf32_object_p (bfd *abfd) 2267 { 2268 unsigned long mach; 2269 2270 if (ABI_N32_P (abfd)) 2271 return FALSE; 2272 2273 /* Irix 5 and 6 are broken. Object file symbol tables are not always 2274 sorted correctly such that local symbols precede global symbols, 2275 and the sh_info field in the symbol table is not always right. */ 2276 if (SGI_COMPAT (abfd)) 2277 elf_bad_symtab (abfd) = TRUE; 2278 2279 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 2280 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 2281 return TRUE; 2282 } 2283 2284 /* MIPS ELF local labels start with '$', not 'L'. */ 2286 2287 static bfd_boolean 2288 mips_elf_is_local_label_name (bfd *abfd, const char *name) 2289 { 2290 if (name[0] == '$') 2291 return TRUE; 2292 2293 /* On Irix 6, the labels go back to starting with '.', so we accept 2294 the generic ELF local label syntax as well. */ 2295 return _bfd_elf_is_local_label_name (abfd, name); 2296 } 2297 2298 /* Support for core dump NOTE sections. */ 2300 static bfd_boolean 2301 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 2302 { 2303 int offset; 2304 unsigned int size; 2305 2306 switch (note->descsz) 2307 { 2308 default: 2309 return FALSE; 2310 2311 case 256: /* Linux/MIPS */ 2312 /* pr_cursig */ 2313 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 2314 2315 /* pr_pid */ 2316 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); 2317 2318 /* pr_reg */ 2319 offset = 72; 2320 size = 180; 2321 2322 break; 2323 } 2324 2325 /* Make a ".reg/999" section. */ 2326 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 2327 size, note->descpos + offset); 2328 } 2329 2330 static bfd_boolean 2331 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 2332 { 2333 switch (note->descsz) 2334 { 2335 default: 2336 return FALSE; 2337 2338 case 128: /* Linux/MIPS elf_prpsinfo */ 2339 elf_tdata (abfd)->core->program 2340 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); 2341 elf_tdata (abfd)->core->command 2342 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); 2343 } 2344 2345 /* Note that for some reason, a spurious space is tacked 2346 onto the end of the args in some (at least one anyway) 2347 implementations, so strip it off if it exists. */ 2348 2349 { 2350 char *command = elf_tdata (abfd)->core->command; 2351 int n = strlen (command); 2352 2353 if (0 < n && command[n - 1] == ' ') 2354 command[n - 1] = '\0'; 2355 } 2356 2357 return TRUE; 2358 } 2359 2360 /* Depending on the target vector we generate some version of Irix 2362 executables or "normal" MIPS ELF ABI executables. */ 2363 static irix_compat_t 2364 elf32_mips_irix_compat (bfd *abfd) 2365 { 2366 if ((abfd->xvec == &mips_elf32_be_vec) 2367 || (abfd->xvec == &mips_elf32_le_vec)) 2368 return ict_irix5; 2369 else 2370 return ict_none; 2371 } 2372 2373 /* ECOFF swapping routines. These are used when dealing with the 2375 .mdebug section, which is in the ECOFF debugging format. */ 2376 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { 2377 /* Symbol table magic number. */ 2378 magicSym, 2379 /* Alignment of debugging information. E.g., 4. */ 2380 4, 2381 /* Sizes of external symbolic information. */ 2382 sizeof (struct hdr_ext), 2383 sizeof (struct dnr_ext), 2384 sizeof (struct pdr_ext), 2385 sizeof (struct sym_ext), 2386 sizeof (struct opt_ext), 2387 sizeof (struct fdr_ext), 2388 sizeof (struct rfd_ext), 2389 sizeof (struct ext_ext), 2390 /* Functions to swap in external symbolic data. */ 2391 ecoff_swap_hdr_in, 2392 ecoff_swap_dnr_in, 2393 ecoff_swap_pdr_in, 2394 ecoff_swap_sym_in, 2395 ecoff_swap_opt_in, 2396 ecoff_swap_fdr_in, 2397 ecoff_swap_rfd_in, 2398 ecoff_swap_ext_in, 2399 _bfd_ecoff_swap_tir_in, 2400 _bfd_ecoff_swap_rndx_in, 2401 /* Functions to swap out external symbolic data. */ 2402 ecoff_swap_hdr_out, 2403 ecoff_swap_dnr_out, 2404 ecoff_swap_pdr_out, 2405 ecoff_swap_sym_out, 2406 ecoff_swap_opt_out, 2407 ecoff_swap_fdr_out, 2408 ecoff_swap_rfd_out, 2409 ecoff_swap_ext_out, 2410 _bfd_ecoff_swap_tir_out, 2411 _bfd_ecoff_swap_rndx_out, 2412 /* Function to read in symbolic data. */ 2413 _bfd_mips_elf_read_ecoff_info 2414 }; 2415 2416 #define ELF_ARCH bfd_arch_mips 2418 #define ELF_TARGET_ID MIPS_ELF_DATA 2419 #define ELF_MACHINE_CODE EM_MIPS 2420 2421 #define elf_backend_collect TRUE 2422 #define elf_backend_type_change_ok TRUE 2423 #define elf_backend_can_gc_sections TRUE 2424 #define elf_backend_gc_mark_extra_sections \ 2425 _bfd_mips_elf_gc_mark_extra_sections 2426 #define elf_info_to_howto mips_info_to_howto_rela 2427 #define elf_info_to_howto_rel mips_info_to_howto_rel 2428 #define elf_backend_sym_is_global mips_elf_sym_is_global 2429 #define elf_backend_object_p mips_elf32_object_p 2430 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 2431 #define elf_backend_section_processing _bfd_mips_elf_section_processing 2432 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 2433 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 2434 #define elf_backend_section_from_bfd_section \ 2435 _bfd_mips_elf_section_from_bfd_section 2436 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 2437 #define elf_backend_link_output_symbol_hook \ 2438 _bfd_mips_elf_link_output_symbol_hook 2439 #define elf_backend_create_dynamic_sections \ 2440 _bfd_mips_elf_create_dynamic_sections 2441 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 2442 #define elf_backend_merge_symbol_attribute \ 2443 _bfd_mips_elf_merge_symbol_attribute 2444 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 2445 #define elf_backend_adjust_dynamic_symbol \ 2446 _bfd_mips_elf_adjust_dynamic_symbol 2447 #define elf_backend_always_size_sections \ 2448 _bfd_mips_elf_always_size_sections 2449 #define elf_backend_size_dynamic_sections \ 2450 _bfd_mips_elf_size_dynamic_sections 2451 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 2452 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 2453 #define elf_backend_finish_dynamic_symbol \ 2454 _bfd_mips_elf_finish_dynamic_symbol 2455 #define elf_backend_finish_dynamic_sections \ 2456 _bfd_mips_elf_finish_dynamic_sections 2457 #define elf_backend_final_write_processing \ 2458 _bfd_mips_elf_final_write_processing 2459 #define elf_backend_additional_program_headers \ 2460 _bfd_mips_elf_additional_program_headers 2461 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 2462 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 2463 #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook 2464 #define elf_backend_copy_indirect_symbol \ 2465 _bfd_mips_elf_copy_indirect_symbol 2466 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus 2467 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo 2468 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap 2469 2470 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) 2471 #define elf_backend_may_use_rel_p 1 2472 #define elf_backend_may_use_rela_p 0 2473 #define elf_backend_default_use_rela_p 0 2474 #define elf_backend_sign_extend_vma TRUE 2475 #define elf_backend_plt_readonly 1 2476 2477 #define elf_backend_discard_info _bfd_mips_elf_discard_info 2478 #define elf_backend_ignore_discarded_relocs \ 2479 _bfd_mips_elf_ignore_discarded_relocs 2480 #define elf_backend_write_section _bfd_mips_elf_write_section 2481 #define elf_backend_mips_irix_compat elf32_mips_irix_compat 2482 #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto 2483 #define bfd_elf32_bfd_is_local_label_name \ 2484 mips_elf_is_local_label_name 2485 #define bfd_elf32_bfd_is_target_special_symbol \ 2486 _bfd_mips_elf_is_target_special_symbol 2487 #define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab 2488 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line 2489 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info 2490 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook 2491 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents 2492 #define bfd_elf32_bfd_get_relocated_section_contents \ 2493 _bfd_elf_mips_get_relocated_section_contents 2494 #define bfd_elf32_bfd_link_hash_table_create \ 2495 _bfd_mips_elf_link_hash_table_create 2496 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link 2497 #define bfd_elf32_bfd_merge_private_bfd_data \ 2498 _bfd_mips_elf_merge_private_bfd_data 2499 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags 2500 #define bfd_elf32_bfd_print_private_bfd_data \ 2501 _bfd_mips_elf_print_private_bfd_data 2502 #define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section 2503 #define bfd_elf32_mkobject _bfd_mips_elf_mkobject 2504 2505 /* Support for SGI-ish mips targets. */ 2506 #define TARGET_LITTLE_SYM mips_elf32_le_vec 2507 #define TARGET_LITTLE_NAME "elf32-littlemips" 2508 #define TARGET_BIG_SYM mips_elf32_be_vec 2509 #define TARGET_BIG_NAME "elf32-bigmips" 2510 2511 /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses 2512 a value of 0x1000, and we are compatible. */ 2513 #define ELF_MAXPAGESIZE 0x1000 2514 #define ELF_COMMONPAGESIZE 0x1000 2515 2516 #include "elf32-target.h" 2517 2518 /* Support for traditional mips targets. */ 2519 #undef TARGET_LITTLE_SYM 2520 #undef TARGET_LITTLE_NAME 2521 #undef TARGET_BIG_SYM 2522 #undef TARGET_BIG_NAME 2523 2524 #undef ELF_MAXPAGESIZE 2525 #undef ELF_COMMONPAGESIZE 2526 2527 #define TARGET_LITTLE_SYM mips_elf32_trad_le_vec 2528 #define TARGET_LITTLE_NAME "elf32-tradlittlemips" 2529 #define TARGET_BIG_SYM mips_elf32_trad_be_vec 2530 #define TARGET_BIG_NAME "elf32-tradbigmips" 2531 2532 /* The MIPS ABI says at Page 5-1: 2533 Virtual addresses and file offsets for MIPS segments are congruent 2534 modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes 2535 is the maximum page size, the files are suitable for paging 2536 regardless of physical page size. */ 2537 #define ELF_MAXPAGESIZE 0x10000 2538 #define ELF_COMMONPAGESIZE 0x1000 2539 #define elf32_bed elf32_tradbed 2540 2541 /* Include the target file again for this target. */ 2542 #include "elf32-target.h" 2543 2544 /* FreeBSD support. */ 2545 2546 #undef TARGET_LITTLE_SYM 2547 #undef TARGET_LITTLE_NAME 2548 #undef TARGET_BIG_SYM 2549 #undef TARGET_BIG_NAME 2550 2551 #define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec 2552 #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd" 2553 #define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec 2554 #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd" 2555 2556 #undef ELF_OSABI 2557 #define ELF_OSABI ELFOSABI_FREEBSD 2558 2559 #undef elf32_bed 2560 #define elf32_bed elf32_fbsd_tradbed 2561 2562 #include "elf32-target.h" 2563 /* Implement elf_backend_final_write_processing for VxWorks. */ 2564 2565 static void 2566 mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) 2567 { 2568 _bfd_mips_elf_final_write_processing (abfd, linker); 2569 elf_vxworks_final_write_processing (abfd, linker); 2570 } 2571 2572 #undef TARGET_LITTLE_SYM 2573 #undef TARGET_LITTLE_NAME 2574 #undef TARGET_BIG_SYM 2575 #undef TARGET_BIG_NAME 2576 2577 #undef ELF_MAXPAGESIZE 2578 #undef ELF_COMMONPAGESIZE 2579 2580 #define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec 2581 #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" 2582 #define TARGET_BIG_SYM mips_elf32_vxworks_be_vec 2583 #define TARGET_BIG_NAME "elf32-bigmips-vxworks" 2584 #undef ELF_OSABI 2585 2586 #undef elf32_bed 2587 #define elf32_bed elf32_mips_vxworks_bed 2588 2589 #define ELF_MAXPAGESIZE 0x1000 2590 #define ELF_COMMONPAGESIZE 0x1000 2591 2592 #undef elf_backend_want_got_plt 2593 #define elf_backend_want_got_plt 1 2594 #undef elf_backend_want_plt_sym 2595 #define elf_backend_want_plt_sym 1 2596 #undef elf_backend_may_use_rel_p 2597 #define elf_backend_may_use_rel_p 0 2598 #undef elf_backend_may_use_rela_p 2599 #define elf_backend_may_use_rela_p 1 2600 #undef elf_backend_default_use_rela_p 2601 #define elf_backend_default_use_rela_p 1 2602 #undef elf_backend_got_header_size 2603 #define elf_backend_got_header_size (4 * 3) 2604 2605 #undef elf_backend_finish_dynamic_symbol 2606 #define elf_backend_finish_dynamic_symbol \ 2607 _bfd_mips_vxworks_finish_dynamic_symbol 2608 #undef bfd_elf32_bfd_link_hash_table_create 2609 #define bfd_elf32_bfd_link_hash_table_create \ 2610 _bfd_mips_vxworks_link_hash_table_create 2611 #undef elf_backend_add_symbol_hook 2612 #define elf_backend_add_symbol_hook \ 2613 elf_vxworks_add_symbol_hook 2614 #undef elf_backend_link_output_symbol_hook 2615 #define elf_backend_link_output_symbol_hook \ 2616 elf_vxworks_link_output_symbol_hook 2617 #undef elf_backend_emit_relocs 2618 #define elf_backend_emit_relocs \ 2619 elf_vxworks_emit_relocs 2620 #undef elf_backend_final_write_processing 2621 #define elf_backend_final_write_processing \ 2622 mips_vxworks_final_write_processing 2623 2624 #undef elf_backend_additional_program_headers 2625 #undef elf_backend_modify_segment_map 2626 #undef elf_backend_symbol_processing 2627 /* NOTE: elf_backend_rela_normal is not defined for MIPS. */ 2628 2629 #undef bfd_elf32_get_synthetic_symtab 2630 2631 #include "elf32-target.h" 2632
