1 /* MIPS-specific support for 64-bit ELF 2 Copyright (C) 1996-2016 Free Software Foundation, Inc. 3 Ian Lance Taylor, Cygnus Support 4 Linker support added by Mark Mitchell, CodeSourcery, LLC. 5 <mark (at) codesourcery.com> 6 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24 25 /* This file supports the 64-bit MIPS ELF ABI. 26 27 The MIPS 64-bit ELF ABI uses an unusual reloc format. This file 28 overrides the usual ELF reloc handling, and handles reading and 29 writing the relocations here. */ 30 31 /* TODO: Many things are unsupported, even if there is some code for it 32 . (which was mostly stolen from elf32-mips.c and slightly adapted). 33 . 34 . - Relocation handling for REL relocs is wrong in many cases and 35 . generally untested. 36 . - Relocation handling for RELA relocs related to GOT support are 37 . also likely to be wrong. 38 . - Support for MIPS16 is untested. 39 . - Combined relocs with RSS_* entries are unsupported. 40 . - The whole GOT handling for NewABI is missing, some parts of 41 . the OldABI version is still lying around and should be removed. 42 */ 43 44 #include "sysdep.h" 45 #include "bfd.h" 46 #include "libbfd.h" 47 #include "aout/ar.h" 48 #include "bfdlink.h" 49 #include "genlink.h" 50 #include "elf-bfd.h" 51 #include "elfxx-mips.h" 52 #include "elf/mips.h" 53 54 /* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to 55 use ECOFF. However, we support it anyhow for an easier changeover. */ 56 #include "coff/sym.h" 57 #include "coff/symconst.h" 58 #include "coff/internal.h" 59 #include "coff/ecoff.h" 60 /* The 64 bit versions of the mdebug data structures are in alpha.h. */ 61 #include "coff/alpha.h" 62 #define ECOFF_SIGNED_64 63 #include "ecoffswap.h" 64 65 static void mips_elf64_swap_reloc_in 66 (bfd *, const Elf64_Mips_External_Rel *, Elf64_Mips_Internal_Rela *); 67 static void mips_elf64_swap_reloca_in 68 (bfd *, const Elf64_Mips_External_Rela *, Elf64_Mips_Internal_Rela *); 69 static void mips_elf64_swap_reloc_out 70 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rel *); 71 static void mips_elf64_swap_reloca_out 72 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rela *); 73 static void mips_elf64_be_swap_reloc_in 74 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 75 static void mips_elf64_be_swap_reloc_out 76 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 77 static void mips_elf64_be_swap_reloca_in 78 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 79 static void mips_elf64_be_swap_reloca_out 80 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 81 static reloc_howto_type *bfd_elf64_bfd_reloc_type_lookup 82 (bfd *, bfd_reloc_code_real_type); 83 static reloc_howto_type *mips_elf64_rtype_to_howto 84 (unsigned int, bfd_boolean); 85 static void mips_elf64_info_to_howto_rel 86 (bfd *, arelent *, Elf_Internal_Rela *); 87 static void mips_elf64_info_to_howto_rela 88 (bfd *, arelent *, Elf_Internal_Rela *); 89 static long mips_elf64_get_reloc_upper_bound 90 (bfd *, asection *); 91 static long mips_elf64_canonicalize_reloc 92 (bfd *, asection *, arelent **, asymbol **); 93 static long mips_elf64_get_dynamic_reloc_upper_bound 94 (bfd *); 95 static long mips_elf64_canonicalize_dynamic_reloc 96 (bfd *, arelent **, asymbol **); 97 static bfd_boolean mips_elf64_slurp_one_reloc_table 98 (bfd *, asection *, Elf_Internal_Shdr *, bfd_size_type, arelent *, 99 asymbol **, bfd_boolean); 100 static bfd_boolean mips_elf64_slurp_reloc_table 101 (bfd *, asection *, asymbol **, bfd_boolean); 102 static void mips_elf64_write_relocs 103 (bfd *, asection *, void *); 104 static void mips_elf64_write_rel 105 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 106 static void mips_elf64_write_rela 107 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 108 static bfd_reloc_status_type mips_elf64_gprel16_reloc 109 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 110 static bfd_reloc_status_type mips_elf64_literal_reloc 111 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 112 static bfd_reloc_status_type mips_elf64_gprel32_reloc 113 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 114 static bfd_reloc_status_type mips_elf64_shift6_reloc 115 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 116 static bfd_reloc_status_type mips16_gprel_reloc 117 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 118 static bfd_boolean mips_elf64_assign_gp 119 (bfd *, bfd_vma *); 120 static bfd_reloc_status_type mips_elf64_final_gp 121 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 122 static bfd_boolean mips_elf64_object_p 123 (bfd *); 124 static irix_compat_t elf64_mips_irix_compat 125 (bfd *); 126 static bfd_boolean elf64_mips_grok_prstatus 127 (bfd *, Elf_Internal_Note *); 128 static bfd_boolean elf64_mips_grok_psinfo 129 (bfd *, Elf_Internal_Note *); 130 131 extern const bfd_target mips_elf64_be_vec; 132 extern const bfd_target mips_elf64_le_vec; 133 134 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 135 from smaller values. Start with zero, widen, *then* decrement. */ 136 #define MINUS_ONE (((bfd_vma)0) - 1) 137 138 /* The number of local .got entries we reserve. */ 139 #define MIPS_RESERVED_GOTNO (2) 140 141 /* The relocation table used for SHT_REL sections. */ 143 144 static reloc_howto_type mips_elf64_howto_table_rel[] = 145 { 146 /* No relocation. */ 147 HOWTO (R_MIPS_NONE, /* type */ 148 0, /* rightshift */ 149 3, /* size (0 = byte, 1 = short, 2 = long) */ 150 0, /* bitsize */ 151 FALSE, /* pc_relative */ 152 0, /* bitpos */ 153 complain_overflow_dont, /* complain_on_overflow */ 154 _bfd_mips_elf_generic_reloc, /* special_function */ 155 "R_MIPS_NONE", /* name */ 156 FALSE, /* partial_inplace */ 157 0, /* src_mask */ 158 0, /* dst_mask */ 159 FALSE), /* pcrel_offset */ 160 161 /* 16 bit relocation. */ 162 HOWTO (R_MIPS_16, /* type */ 163 0, /* rightshift */ 164 2, /* size (0 = byte, 1 = short, 2 = long) */ 165 16, /* bitsize */ 166 FALSE, /* pc_relative */ 167 0, /* bitpos */ 168 complain_overflow_signed, /* complain_on_overflow */ 169 _bfd_mips_elf_generic_reloc, /* special_function */ 170 "R_MIPS_16", /* name */ 171 TRUE, /* partial_inplace */ 172 0x0000ffff, /* src_mask */ 173 0x0000ffff, /* dst_mask */ 174 FALSE), /* pcrel_offset */ 175 176 /* 32 bit relocation. */ 177 HOWTO (R_MIPS_32, /* type */ 178 0, /* rightshift */ 179 2, /* size (0 = byte, 1 = short, 2 = long) */ 180 32, /* bitsize */ 181 FALSE, /* pc_relative */ 182 0, /* bitpos */ 183 complain_overflow_dont, /* complain_on_overflow */ 184 _bfd_mips_elf_generic_reloc, /* special_function */ 185 "R_MIPS_32", /* name */ 186 TRUE, /* partial_inplace */ 187 0xffffffff, /* src_mask */ 188 0xffffffff, /* dst_mask */ 189 FALSE), /* pcrel_offset */ 190 191 /* 32 bit symbol relative relocation. */ 192 HOWTO (R_MIPS_REL32, /* type */ 193 0, /* rightshift */ 194 2, /* size (0 = byte, 1 = short, 2 = long) */ 195 32, /* bitsize */ 196 FALSE, /* pc_relative */ 197 0, /* bitpos */ 198 complain_overflow_dont, /* complain_on_overflow */ 199 _bfd_mips_elf_generic_reloc, /* special_function */ 200 "R_MIPS_REL32", /* name */ 201 TRUE, /* partial_inplace */ 202 0xffffffff, /* src_mask */ 203 0xffffffff, /* dst_mask */ 204 FALSE), /* pcrel_offset */ 205 206 /* 26 bit jump address. */ 207 HOWTO (R_MIPS_26, /* type */ 208 2, /* rightshift */ 209 2, /* size (0 = byte, 1 = short, 2 = long) */ 210 26, /* bitsize */ 211 FALSE, /* pc_relative */ 212 0, /* bitpos */ 213 complain_overflow_dont, /* complain_on_overflow */ 214 /* This needs complex overflow 215 detection, because the upper 36 216 bits must match the PC + 4. */ 217 _bfd_mips_elf_generic_reloc, /* special_function */ 218 "R_MIPS_26", /* name */ 219 TRUE, /* partial_inplace */ 220 0x03ffffff, /* src_mask */ 221 0x03ffffff, /* dst_mask */ 222 FALSE), /* pcrel_offset */ 223 224 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. 225 However, the native IRIX6 tools use them, so we try our best. */ 226 227 /* High 16 bits of symbol value. */ 228 HOWTO (R_MIPS_HI16, /* type */ 229 16, /* rightshift */ 230 2, /* size (0 = byte, 1 = short, 2 = long) */ 231 16, /* bitsize */ 232 FALSE, /* pc_relative */ 233 0, /* bitpos */ 234 complain_overflow_dont, /* complain_on_overflow */ 235 _bfd_mips_elf_hi16_reloc, /* special_function */ 236 "R_MIPS_HI16", /* name */ 237 TRUE, /* partial_inplace */ 238 0x0000ffff, /* src_mask */ 239 0x0000ffff, /* dst_mask */ 240 FALSE), /* pcrel_offset */ 241 242 /* Low 16 bits of symbol value. */ 243 HOWTO (R_MIPS_LO16, /* type */ 244 0, /* rightshift */ 245 2, /* size (0 = byte, 1 = short, 2 = long) */ 246 16, /* bitsize */ 247 FALSE, /* pc_relative */ 248 0, /* bitpos */ 249 complain_overflow_dont, /* complain_on_overflow */ 250 _bfd_mips_elf_lo16_reloc, /* special_function */ 251 "R_MIPS_LO16", /* name */ 252 TRUE, /* partial_inplace */ 253 0x0000ffff, /* src_mask */ 254 0x0000ffff, /* dst_mask */ 255 FALSE), /* pcrel_offset */ 256 257 /* GP relative reference. */ 258 HOWTO (R_MIPS_GPREL16, /* type */ 259 0, /* rightshift */ 260 2, /* size (0 = byte, 1 = short, 2 = long) */ 261 16, /* bitsize */ 262 FALSE, /* pc_relative */ 263 0, /* bitpos */ 264 complain_overflow_signed, /* complain_on_overflow */ 265 mips_elf64_gprel16_reloc, /* special_function */ 266 "R_MIPS_GPREL16", /* name */ 267 TRUE, /* partial_inplace */ 268 0x0000ffff, /* src_mask */ 269 0x0000ffff, /* dst_mask */ 270 FALSE), /* pcrel_offset */ 271 272 /* Reference to literal section. */ 273 HOWTO (R_MIPS_LITERAL, /* type */ 274 0, /* rightshift */ 275 2, /* size (0 = byte, 1 = short, 2 = long) */ 276 16, /* bitsize */ 277 FALSE, /* pc_relative */ 278 0, /* bitpos */ 279 complain_overflow_signed, /* complain_on_overflow */ 280 mips_elf64_literal_reloc, /* special_function */ 281 "R_MIPS_LITERAL", /* name */ 282 TRUE, /* partial_inplace */ 283 0x0000ffff, /* src_mask */ 284 0x0000ffff, /* dst_mask */ 285 FALSE), /* pcrel_offset */ 286 287 /* Reference to global offset table. */ 288 HOWTO (R_MIPS_GOT16, /* type */ 289 0, /* rightshift */ 290 2, /* size (0 = byte, 1 = short, 2 = long) */ 291 16, /* bitsize */ 292 FALSE, /* pc_relative */ 293 0, /* bitpos */ 294 complain_overflow_signed, /* complain_on_overflow */ 295 _bfd_mips_elf_got16_reloc, /* special_function */ 296 "R_MIPS_GOT16", /* name */ 297 TRUE, /* partial_inplace */ 298 0x0000ffff, /* src_mask */ 299 0x0000ffff, /* dst_mask */ 300 FALSE), /* pcrel_offset */ 301 302 /* 16 bit PC relative reference. Note that the ABI document has a typo 303 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 304 We do the right thing here. */ 305 HOWTO (R_MIPS_PC16, /* type */ 306 2, /* rightshift */ 307 2, /* size (0 = byte, 1 = short, 2 = long) */ 308 16, /* bitsize */ 309 TRUE, /* pc_relative */ 310 0, /* bitpos */ 311 complain_overflow_signed, /* complain_on_overflow */ 312 _bfd_mips_elf_generic_reloc, /* special_function */ 313 "R_MIPS_PC16", /* name */ 314 TRUE, /* partial_inplace */ 315 0x0000ffff, /* src_mask */ 316 0x0000ffff, /* dst_mask */ 317 TRUE), /* pcrel_offset */ 318 319 /* 16 bit call through global offset table. */ 320 HOWTO (R_MIPS_CALL16, /* type */ 321 0, /* rightshift */ 322 2, /* size (0 = byte, 1 = short, 2 = long) */ 323 16, /* bitsize */ 324 FALSE, /* pc_relative */ 325 0, /* bitpos */ 326 complain_overflow_signed, /* complain_on_overflow */ 327 _bfd_mips_elf_generic_reloc, /* special_function */ 328 "R_MIPS_CALL16", /* name */ 329 TRUE, /* partial_inplace */ 330 0x0000ffff, /* src_mask */ 331 0x0000ffff, /* dst_mask */ 332 FALSE), /* pcrel_offset */ 333 334 /* 32 bit GP relative reference. */ 335 HOWTO (R_MIPS_GPREL32, /* type */ 336 0, /* rightshift */ 337 2, /* size (0 = byte, 1 = short, 2 = long) */ 338 32, /* bitsize */ 339 FALSE, /* pc_relative */ 340 0, /* bitpos */ 341 complain_overflow_dont, /* complain_on_overflow */ 342 mips_elf64_gprel32_reloc, /* special_function */ 343 "R_MIPS_GPREL32", /* name */ 344 TRUE, /* partial_inplace */ 345 0xffffffff, /* src_mask */ 346 0xffffffff, /* dst_mask */ 347 FALSE), /* pcrel_offset */ 348 349 EMPTY_HOWTO (13), 350 EMPTY_HOWTO (14), 351 EMPTY_HOWTO (15), 352 353 /* A 5 bit shift field. */ 354 HOWTO (R_MIPS_SHIFT5, /* type */ 355 0, /* rightshift */ 356 2, /* size (0 = byte, 1 = short, 2 = long) */ 357 5, /* bitsize */ 358 FALSE, /* pc_relative */ 359 6, /* bitpos */ 360 complain_overflow_bitfield, /* complain_on_overflow */ 361 _bfd_mips_elf_generic_reloc, /* special_function */ 362 "R_MIPS_SHIFT5", /* name */ 363 TRUE, /* partial_inplace */ 364 0x000007c0, /* src_mask */ 365 0x000007c0, /* dst_mask */ 366 FALSE), /* pcrel_offset */ 367 368 /* A 6 bit shift field. */ 369 HOWTO (R_MIPS_SHIFT6, /* type */ 370 0, /* rightshift */ 371 2, /* size (0 = byte, 1 = short, 2 = long) */ 372 6, /* bitsize */ 373 FALSE, /* pc_relative */ 374 6, /* bitpos */ 375 complain_overflow_bitfield, /* complain_on_overflow */ 376 mips_elf64_shift6_reloc, /* special_function */ 377 "R_MIPS_SHIFT6", /* name */ 378 TRUE, /* partial_inplace */ 379 0x000007c4, /* src_mask */ 380 0x000007c4, /* dst_mask */ 381 FALSE), /* pcrel_offset */ 382 383 /* 64 bit relocation. */ 384 HOWTO (R_MIPS_64, /* type */ 385 0, /* rightshift */ 386 4, /* size (0 = byte, 1 = short, 2 = long) */ 387 64, /* bitsize */ 388 FALSE, /* pc_relative */ 389 0, /* bitpos */ 390 complain_overflow_dont, /* complain_on_overflow */ 391 _bfd_mips_elf_generic_reloc, /* special_function */ 392 "R_MIPS_64", /* name */ 393 TRUE, /* partial_inplace */ 394 MINUS_ONE, /* src_mask */ 395 MINUS_ONE, /* dst_mask */ 396 FALSE), /* pcrel_offset */ 397 398 /* Displacement in the global offset table. */ 399 HOWTO (R_MIPS_GOT_DISP, /* type */ 400 0, /* rightshift */ 401 2, /* size (0 = byte, 1 = short, 2 = long) */ 402 16, /* bitsize */ 403 FALSE, /* pc_relative */ 404 0, /* bitpos */ 405 complain_overflow_signed, /* complain_on_overflow */ 406 _bfd_mips_elf_generic_reloc, /* special_function */ 407 "R_MIPS_GOT_DISP", /* name */ 408 TRUE, /* partial_inplace */ 409 0x0000ffff, /* src_mask */ 410 0x0000ffff, /* dst_mask */ 411 FALSE), /* pcrel_offset */ 412 413 /* Displacement to page pointer in the global offset table. */ 414 HOWTO (R_MIPS_GOT_PAGE, /* type */ 415 0, /* rightshift */ 416 2, /* size (0 = byte, 1 = short, 2 = long) */ 417 16, /* bitsize */ 418 FALSE, /* pc_relative */ 419 0, /* bitpos */ 420 complain_overflow_signed, /* complain_on_overflow */ 421 _bfd_mips_elf_generic_reloc, /* special_function */ 422 "R_MIPS_GOT_PAGE", /* name */ 423 TRUE, /* partial_inplace */ 424 0x0000ffff, /* src_mask */ 425 0x0000ffff, /* dst_mask */ 426 FALSE), /* pcrel_offset */ 427 428 /* Offset from page pointer in the global offset table. */ 429 HOWTO (R_MIPS_GOT_OFST, /* type */ 430 0, /* rightshift */ 431 2, /* size (0 = byte, 1 = short, 2 = long) */ 432 16, /* bitsize */ 433 FALSE, /* pc_relative */ 434 0, /* bitpos */ 435 complain_overflow_signed, /* complain_on_overflow */ 436 _bfd_mips_elf_generic_reloc, /* special_function */ 437 "R_MIPS_GOT_OFST", /* name */ 438 TRUE, /* partial_inplace */ 439 0x0000ffff, /* src_mask */ 440 0x0000ffff, /* dst_mask */ 441 FALSE), /* pcrel_offset */ 442 443 /* High 16 bits of displacement in global offset table. */ 444 HOWTO (R_MIPS_GOT_HI16, /* type */ 445 0, /* rightshift */ 446 2, /* size (0 = byte, 1 = short, 2 = long) */ 447 16, /* bitsize */ 448 FALSE, /* pc_relative */ 449 0, /* bitpos */ 450 complain_overflow_dont, /* complain_on_overflow */ 451 _bfd_mips_elf_generic_reloc, /* special_function */ 452 "R_MIPS_GOT_HI16", /* name */ 453 TRUE, /* partial_inplace */ 454 0x0000ffff, /* src_mask */ 455 0x0000ffff, /* dst_mask */ 456 FALSE), /* pcrel_offset */ 457 458 /* Low 16 bits of displacement in global offset table. */ 459 HOWTO (R_MIPS_GOT_LO16, /* type */ 460 0, /* rightshift */ 461 2, /* size (0 = byte, 1 = short, 2 = long) */ 462 16, /* bitsize */ 463 FALSE, /* pc_relative */ 464 0, /* bitpos */ 465 complain_overflow_dont, /* complain_on_overflow */ 466 _bfd_mips_elf_generic_reloc, /* special_function */ 467 "R_MIPS_GOT_LO16", /* name */ 468 TRUE, /* partial_inplace */ 469 0x0000ffff, /* src_mask */ 470 0x0000ffff, /* dst_mask */ 471 FALSE), /* pcrel_offset */ 472 473 /* 64 bit subtraction. */ 474 HOWTO (R_MIPS_SUB, /* type */ 475 0, /* rightshift */ 476 4, /* size (0 = byte, 1 = short, 2 = long) */ 477 64, /* bitsize */ 478 FALSE, /* pc_relative */ 479 0, /* bitpos */ 480 complain_overflow_dont, /* complain_on_overflow */ 481 _bfd_mips_elf_generic_reloc, /* special_function */ 482 "R_MIPS_SUB", /* name */ 483 TRUE, /* partial_inplace */ 484 MINUS_ONE, /* src_mask */ 485 MINUS_ONE, /* dst_mask */ 486 FALSE), /* pcrel_offset */ 487 488 /* Insert the addend as an instruction. */ 489 /* FIXME: Not handled correctly. */ 490 HOWTO (R_MIPS_INSERT_A, /* type */ 491 0, /* rightshift */ 492 2, /* size (0 = byte, 1 = short, 2 = long) */ 493 32, /* bitsize */ 494 FALSE, /* pc_relative */ 495 0, /* bitpos */ 496 complain_overflow_dont, /* complain_on_overflow */ 497 _bfd_mips_elf_generic_reloc, /* special_function */ 498 "R_MIPS_INSERT_A", /* name */ 499 TRUE, /* partial_inplace */ 500 0xffffffff, /* src_mask */ 501 0xffffffff, /* dst_mask */ 502 FALSE), /* pcrel_offset */ 503 504 /* Insert the addend as an instruction, and change all relocations 505 to refer to the old instruction at the address. */ 506 /* FIXME: Not handled correctly. */ 507 HOWTO (R_MIPS_INSERT_B, /* type */ 508 0, /* rightshift */ 509 2, /* size (0 = byte, 1 = short, 2 = long) */ 510 32, /* bitsize */ 511 FALSE, /* pc_relative */ 512 0, /* bitpos */ 513 complain_overflow_dont, /* complain_on_overflow */ 514 _bfd_mips_elf_generic_reloc, /* special_function */ 515 "R_MIPS_INSERT_B", /* name */ 516 TRUE, /* partial_inplace */ 517 0xffffffff, /* src_mask */ 518 0xffffffff, /* dst_mask */ 519 FALSE), /* pcrel_offset */ 520 521 /* Delete a 32 bit instruction. */ 522 /* FIXME: Not handled correctly. */ 523 HOWTO (R_MIPS_DELETE, /* type */ 524 0, /* rightshift */ 525 2, /* size (0 = byte, 1 = short, 2 = long) */ 526 32, /* bitsize */ 527 FALSE, /* pc_relative */ 528 0, /* bitpos */ 529 complain_overflow_dont, /* complain_on_overflow */ 530 _bfd_mips_elf_generic_reloc, /* special_function */ 531 "R_MIPS_DELETE", /* name */ 532 TRUE, /* partial_inplace */ 533 0xffffffff, /* src_mask */ 534 0xffffffff, /* dst_mask */ 535 FALSE), /* pcrel_offset */ 536 537 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. 538 We don't, because 539 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ 540 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using 541 fallable heuristics. 542 b) No other NewABI toolchain actually emits such relocations. */ 543 EMPTY_HOWTO (R_MIPS_HIGHER), 544 EMPTY_HOWTO (R_MIPS_HIGHEST), 545 546 /* High 16 bits of displacement in global offset table. */ 547 HOWTO (R_MIPS_CALL_HI16, /* type */ 548 0, /* rightshift */ 549 2, /* size (0 = byte, 1 = short, 2 = long) */ 550 16, /* bitsize */ 551 FALSE, /* pc_relative */ 552 0, /* bitpos */ 553 complain_overflow_dont, /* complain_on_overflow */ 554 _bfd_mips_elf_generic_reloc, /* special_function */ 555 "R_MIPS_CALL_HI16", /* name */ 556 TRUE, /* partial_inplace */ 557 0x0000ffff, /* src_mask */ 558 0x0000ffff, /* dst_mask */ 559 FALSE), /* pcrel_offset */ 560 561 /* Low 16 bits of displacement in global offset table. */ 562 HOWTO (R_MIPS_CALL_LO16, /* type */ 563 0, /* rightshift */ 564 2, /* size (0 = byte, 1 = short, 2 = long) */ 565 16, /* bitsize */ 566 FALSE, /* pc_relative */ 567 0, /* bitpos */ 568 complain_overflow_dont, /* complain_on_overflow */ 569 _bfd_mips_elf_generic_reloc, /* special_function */ 570 "R_MIPS_CALL_LO16", /* name */ 571 TRUE, /* partial_inplace */ 572 0x0000ffff, /* src_mask */ 573 0x0000ffff, /* dst_mask */ 574 FALSE), /* pcrel_offset */ 575 576 /* Section displacement, used by an associated event location section. */ 577 HOWTO (R_MIPS_SCN_DISP, /* type */ 578 0, /* rightshift */ 579 2, /* size (0 = byte, 1 = short, 2 = long) */ 580 32, /* bitsize */ 581 FALSE, /* pc_relative */ 582 0, /* bitpos */ 583 complain_overflow_dont, /* complain_on_overflow */ 584 _bfd_mips_elf_generic_reloc, /* special_function */ 585 "R_MIPS_SCN_DISP", /* name */ 586 TRUE, /* partial_inplace */ 587 0xffffffff, /* src_mask */ 588 0xffffffff, /* dst_mask */ 589 FALSE), /* pcrel_offset */ 590 591 HOWTO (R_MIPS_REL16, /* type */ 592 0, /* rightshift */ 593 1, /* size (0 = byte, 1 = short, 2 = long) */ 594 16, /* bitsize */ 595 FALSE, /* pc_relative */ 596 0, /* bitpos */ 597 complain_overflow_signed, /* complain_on_overflow */ 598 _bfd_mips_elf_generic_reloc, /* special_function */ 599 "R_MIPS_REL16", /* name */ 600 TRUE, /* partial_inplace */ 601 0xffff, /* src_mask */ 602 0xffff, /* dst_mask */ 603 FALSE), /* pcrel_offset */ 604 605 /* These two are obsolete. */ 606 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 607 EMPTY_HOWTO (R_MIPS_PJUMP), 608 609 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 610 It must be used for multigot GOT's (and only there). */ 611 HOWTO (R_MIPS_RELGOT, /* type */ 612 0, /* rightshift */ 613 2, /* size (0 = byte, 1 = short, 2 = long) */ 614 32, /* bitsize */ 615 FALSE, /* pc_relative */ 616 0, /* bitpos */ 617 complain_overflow_dont, /* complain_on_overflow */ 618 _bfd_mips_elf_generic_reloc, /* special_function */ 619 "R_MIPS_RELGOT", /* name */ 620 TRUE, /* partial_inplace */ 621 0xffffffff, /* src_mask */ 622 0xffffffff, /* dst_mask */ 623 FALSE), /* pcrel_offset */ 624 625 /* Protected jump conversion. This is an optimization hint. No 626 relocation is required for correctness. */ 627 HOWTO (R_MIPS_JALR, /* type */ 628 0, /* rightshift */ 629 2, /* size (0 = byte, 1 = short, 2 = long) */ 630 32, /* bitsize */ 631 FALSE, /* pc_relative */ 632 0, /* bitpos */ 633 complain_overflow_dont, /* complain_on_overflow */ 634 _bfd_mips_elf_generic_reloc, /* special_function */ 635 "R_MIPS_JALR", /* name */ 636 FALSE, /* partial_inplace */ 637 0, /* src_mask */ 638 0x00000000, /* dst_mask */ 639 FALSE), /* pcrel_offset */ 640 641 /* TLS relocations. */ 642 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 643 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 644 645 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 646 0, /* rightshift */ 647 4, /* size (0 = byte, 1 = short, 2 = long) */ 648 64, /* bitsize */ 649 FALSE, /* pc_relative */ 650 0, /* bitpos */ 651 complain_overflow_dont, /* complain_on_overflow */ 652 _bfd_mips_elf_generic_reloc, /* special_function */ 653 "R_MIPS_TLS_DTPMOD64", /* name */ 654 TRUE, /* partial_inplace */ 655 MINUS_ONE, /* src_mask */ 656 MINUS_ONE, /* dst_mask */ 657 FALSE), /* pcrel_offset */ 658 659 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 660 0, /* rightshift */ 661 4, /* size (0 = byte, 1 = short, 2 = long) */ 662 64, /* 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_DTPREL64", /* name */ 668 TRUE, /* partial_inplace */ 669 MINUS_ONE, /* src_mask */ 670 MINUS_ONE, /* dst_mask */ 671 FALSE), /* pcrel_offset */ 672 673 /* TLS general dynamic variable reference. */ 674 HOWTO (R_MIPS_TLS_GD, /* 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_GD", /* name */ 683 TRUE, /* partial_inplace */ 684 0x0000ffff, /* src_mask */ 685 0x0000ffff, /* dst_mask */ 686 FALSE), /* pcrel_offset */ 687 688 /* TLS local dynamic variable reference. */ 689 HOWTO (R_MIPS_TLS_LDM, /* 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_LDM", /* name */ 698 TRUE, /* partial_inplace */ 699 0x0000ffff, /* src_mask */ 700 0x0000ffff, /* dst_mask */ 701 FALSE), /* pcrel_offset */ 702 703 /* TLS local dynamic offset. */ 704 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 705 0, /* rightshift */ 706 2, /* size (0 = byte, 1 = short, 2 = long) */ 707 16, /* bitsize */ 708 FALSE, /* pc_relative */ 709 0, /* bitpos */ 710 complain_overflow_signed, /* complain_on_overflow */ 711 _bfd_mips_elf_generic_reloc, /* special_function */ 712 "R_MIPS_TLS_DTPREL_HI16", /* name */ 713 TRUE, /* partial_inplace */ 714 0x0000ffff, /* src_mask */ 715 0x0000ffff, /* dst_mask */ 716 FALSE), /* pcrel_offset */ 717 718 /* TLS local dynamic offset. */ 719 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 720 0, /* rightshift */ 721 2, /* size (0 = byte, 1 = short, 2 = long) */ 722 16, /* bitsize */ 723 FALSE, /* pc_relative */ 724 0, /* bitpos */ 725 complain_overflow_signed, /* complain_on_overflow */ 726 _bfd_mips_elf_generic_reloc, /* special_function */ 727 "R_MIPS_TLS_DTPREL_LO16", /* name */ 728 TRUE, /* partial_inplace */ 729 0x0000ffff, /* src_mask */ 730 0x0000ffff, /* dst_mask */ 731 FALSE), /* pcrel_offset */ 732 733 /* TLS thread pointer offset. */ 734 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 735 0, /* rightshift */ 736 2, /* size (0 = byte, 1 = short, 2 = long) */ 737 16, /* bitsize */ 738 FALSE, /* pc_relative */ 739 0, /* bitpos */ 740 complain_overflow_signed, /* complain_on_overflow */ 741 _bfd_mips_elf_generic_reloc, /* special_function */ 742 "R_MIPS_TLS_GOTTPREL", /* name */ 743 TRUE, /* partial_inplace */ 744 0x0000ffff, /* src_mask */ 745 0x0000ffff, /* dst_mask */ 746 FALSE), /* pcrel_offset */ 747 748 /* TLS IE dynamic relocations. */ 749 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 750 751 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 752 0, /* rightshift */ 753 4, /* size (0 = byte, 1 = short, 2 = long) */ 754 64, /* bitsize */ 755 FALSE, /* pc_relative */ 756 0, /* bitpos */ 757 complain_overflow_dont, /* complain_on_overflow */ 758 _bfd_mips_elf_generic_reloc, /* special_function */ 759 "R_MIPS_TLS_TPREL64", /* name */ 760 TRUE, /* partial_inplace */ 761 MINUS_ONE, /* src_mask */ 762 MINUS_ONE, /* dst_mask */ 763 FALSE), /* pcrel_offset */ 764 765 /* TLS thread pointer offset. */ 766 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 767 0, /* rightshift */ 768 2, /* size (0 = byte, 1 = short, 2 = long) */ 769 16, /* bitsize */ 770 FALSE, /* pc_relative */ 771 0, /* bitpos */ 772 complain_overflow_signed, /* complain_on_overflow */ 773 _bfd_mips_elf_generic_reloc, /* special_function */ 774 "R_MIPS_TLS_TPREL_HI16", /* name */ 775 TRUE, /* partial_inplace */ 776 0x0000ffff, /* src_mask */ 777 0x0000ffff, /* dst_mask */ 778 FALSE), /* pcrel_offset */ 779 780 /* TLS thread pointer offset. */ 781 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 782 0, /* rightshift */ 783 2, /* size (0 = byte, 1 = short, 2 = long) */ 784 16, /* bitsize */ 785 FALSE, /* pc_relative */ 786 0, /* bitpos */ 787 complain_overflow_signed, /* complain_on_overflow */ 788 _bfd_mips_elf_generic_reloc, /* special_function */ 789 "R_MIPS_TLS_TPREL_LO16", /* name */ 790 TRUE, /* partial_inplace */ 791 0x0000ffff, /* src_mask */ 792 0x0000ffff, /* dst_mask */ 793 FALSE), /* pcrel_offset */ 794 795 /* 32 bit relocation with no addend. */ 796 HOWTO (R_MIPS_GLOB_DAT, /* type */ 797 0, /* rightshift */ 798 2, /* size (0 = byte, 1 = short, 2 = long) */ 799 32, /* bitsize */ 800 FALSE, /* pc_relative */ 801 0, /* bitpos */ 802 complain_overflow_dont, /* complain_on_overflow */ 803 _bfd_mips_elf_generic_reloc, /* special_function */ 804 "R_MIPS_GLOB_DAT", /* name */ 805 FALSE, /* partial_inplace */ 806 0x0, /* src_mask */ 807 0xffffffff, /* dst_mask */ 808 FALSE), /* pcrel_offset */ 809 810 EMPTY_HOWTO (52), 811 EMPTY_HOWTO (53), 812 EMPTY_HOWTO (54), 813 EMPTY_HOWTO (55), 814 EMPTY_HOWTO (56), 815 EMPTY_HOWTO (57), 816 EMPTY_HOWTO (58), 817 EMPTY_HOWTO (59), 818 819 HOWTO (R_MIPS_PC21_S2, /* type */ 820 2, /* rightshift */ 821 2, /* size (0 = byte, 1 = short, 2 = long) */ 822 21, /* bitsize */ 823 TRUE, /* pc_relative */ 824 0, /* bitpos */ 825 complain_overflow_signed, /* complain_on_overflow */ 826 _bfd_mips_elf_generic_reloc, /* special_function */ 827 "R_MIPS_PC21_S2", /* name */ 828 TRUE, /* partial_inplace */ 829 0x001fffff, /* src_mask */ 830 0x001fffff, /* dst_mask */ 831 TRUE), /* pcrel_offset */ 832 833 HOWTO (R_MIPS_PC26_S2, /* type */ 834 2, /* rightshift */ 835 2, /* size (0 = byte, 1 = short, 2 = long) */ 836 26, /* bitsize */ 837 TRUE, /* pc_relative */ 838 0, /* bitpos */ 839 complain_overflow_signed, /* complain_on_overflow */ 840 _bfd_mips_elf_generic_reloc, /* special_function */ 841 "R_MIPS_PC26_S2", /* name */ 842 TRUE, /* partial_inplace */ 843 0x03ffffff, /* src_mask */ 844 0x03ffffff, /* dst_mask */ 845 TRUE), /* pcrel_offset */ 846 847 HOWTO (R_MIPS_PC18_S3, /* type */ 848 3, /* rightshift */ 849 2, /* size (0 = byte, 1 = short, 2 = long) */ 850 18, /* bitsize */ 851 TRUE, /* pc_relative */ 852 0, /* bitpos */ 853 complain_overflow_signed, /* complain_on_overflow */ 854 _bfd_mips_elf_generic_reloc, /* special_function */ 855 "R_MIPS_PC18_S3", /* name */ 856 TRUE, /* partial_inplace */ 857 0x0003ffff, /* src_mask */ 858 0x0003ffff, /* dst_mask */ 859 TRUE), /* pcrel_offset */ 860 861 HOWTO (R_MIPS_PC19_S2, /* type */ 862 2, /* rightshift */ 863 2, /* size (0 = byte, 1 = short, 2 = long) */ 864 19, /* bitsize */ 865 TRUE, /* pc_relative */ 866 0, /* bitpos */ 867 complain_overflow_signed, /* complain_on_overflow */ 868 _bfd_mips_elf_generic_reloc, /* special_function */ 869 "R_MIPS_PC19_S2", /* name */ 870 TRUE, /* partial_inplace */ 871 0x0007ffff, /* src_mask */ 872 0x0007ffff, /* dst_mask */ 873 TRUE), /* pcrel_offset */ 874 875 HOWTO (R_MIPS_PCHI16, /* type */ 876 16, /* rightshift */ 877 2, /* size (0 = byte, 1 = short, 2 = long) */ 878 16, /* bitsize */ 879 TRUE, /* pc_relative */ 880 0, /* bitpos */ 881 complain_overflow_signed, /* complain_on_overflow */ 882 _bfd_mips_elf_generic_reloc, /* special_function */ 883 "R_MIPS_PCHI16", /* name */ 884 TRUE, /* partial_inplace */ 885 0x0000ffff, /* src_mask */ 886 0x0000ffff, /* dst_mask */ 887 TRUE), /* pcrel_offset */ 888 889 HOWTO (R_MIPS_PCLO16, /* type */ 890 0, /* rightshift */ 891 2, /* size (0 = byte, 1 = short, 2 = long) */ 892 16, /* bitsize */ 893 TRUE, /* pc_relative */ 894 0, /* bitpos */ 895 complain_overflow_dont, /* complain_on_overflow */ 896 _bfd_mips_elf_generic_reloc, /* special_function */ 897 "R_MIPS_PCLO16", /* name */ 898 TRUE, /* partial_inplace */ 899 0x0000ffff, /* src_mask */ 900 0x0000ffff, /* dst_mask */ 901 TRUE), /* pcrel_offset */ 902 903 }; 904 905 /* The relocation table used for SHT_RELA sections. */ 906 907 static reloc_howto_type mips_elf64_howto_table_rela[] = 908 { 909 /* No relocation. */ 910 HOWTO (R_MIPS_NONE, /* type */ 911 0, /* rightshift */ 912 3, /* size (0 = byte, 1 = short, 2 = long) */ 913 0, /* bitsize */ 914 FALSE, /* pc_relative */ 915 0, /* bitpos */ 916 complain_overflow_dont, /* complain_on_overflow */ 917 _bfd_mips_elf_generic_reloc, /* special_function */ 918 "R_MIPS_NONE", /* name */ 919 FALSE, /* partial_inplace */ 920 0, /* src_mask */ 921 0, /* dst_mask */ 922 FALSE), /* pcrel_offset */ 923 924 /* 16 bit relocation. */ 925 HOWTO (R_MIPS_16, /* 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_MIPS_16", /* name */ 934 FALSE, /* partial_inplace */ 935 0, /* src_mask */ 936 0x0000ffff, /* dst_mask */ 937 FALSE), /* pcrel_offset */ 938 939 /* 32 bit relocation. */ 940 HOWTO (R_MIPS_32, /* type */ 941 0, /* rightshift */ 942 2, /* size (0 = byte, 1 = short, 2 = long) */ 943 32, /* bitsize */ 944 FALSE, /* pc_relative */ 945 0, /* bitpos */ 946 complain_overflow_dont, /* complain_on_overflow */ 947 _bfd_mips_elf_generic_reloc, /* special_function */ 948 "R_MIPS_32", /* name */ 949 FALSE, /* partial_inplace */ 950 0, /* src_mask */ 951 0xffffffff, /* dst_mask */ 952 FALSE), /* pcrel_offset */ 953 954 /* 32 bit symbol relative relocation. */ 955 HOWTO (R_MIPS_REL32, /* type */ 956 0, /* rightshift */ 957 2, /* size (0 = byte, 1 = short, 2 = long) */ 958 32, /* bitsize */ 959 FALSE, /* pc_relative */ 960 0, /* bitpos */ 961 complain_overflow_dont, /* complain_on_overflow */ 962 _bfd_mips_elf_generic_reloc, /* special_function */ 963 "R_MIPS_REL32", /* name */ 964 FALSE, /* partial_inplace */ 965 0, /* src_mask */ 966 0xffffffff, /* dst_mask */ 967 FALSE), /* pcrel_offset */ 968 969 /* 26 bit jump address. */ 970 HOWTO (R_MIPS_26, /* type */ 971 2, /* rightshift */ 972 2, /* size (0 = byte, 1 = short, 2 = long) */ 973 26, /* bitsize */ 974 FALSE, /* pc_relative */ 975 0, /* bitpos */ 976 complain_overflow_dont, /* complain_on_overflow */ 977 /* This needs complex overflow 978 detection, because the upper 36 979 bits must match the PC + 4. */ 980 _bfd_mips_elf_generic_reloc, /* special_function */ 981 "R_MIPS_26", /* name */ 982 FALSE, /* partial_inplace */ 983 0, /* src_mask */ 984 0x03ffffff, /* dst_mask */ 985 FALSE), /* pcrel_offset */ 986 987 /* High 16 bits of symbol value. */ 988 HOWTO (R_MIPS_HI16, /* type */ 989 0, /* rightshift */ 990 2, /* size (0 = byte, 1 = short, 2 = long) */ 991 16, /* bitsize */ 992 FALSE, /* pc_relative */ 993 0, /* bitpos */ 994 complain_overflow_dont, /* complain_on_overflow */ 995 _bfd_mips_elf_generic_reloc, /* special_function */ 996 "R_MIPS_HI16", /* name */ 997 FALSE, /* partial_inplace */ 998 0, /* src_mask */ 999 0x0000ffff, /* dst_mask */ 1000 FALSE), /* pcrel_offset */ 1001 1002 /* Low 16 bits of symbol value. */ 1003 HOWTO (R_MIPS_LO16, /* type */ 1004 0, /* rightshift */ 1005 2, /* size (0 = byte, 1 = short, 2 = long) */ 1006 16, /* bitsize */ 1007 FALSE, /* pc_relative */ 1008 0, /* bitpos */ 1009 complain_overflow_dont, /* complain_on_overflow */ 1010 _bfd_mips_elf_generic_reloc, /* special_function */ 1011 "R_MIPS_LO16", /* name */ 1012 FALSE, /* partial_inplace */ 1013 0, /* src_mask */ 1014 0x0000ffff, /* dst_mask */ 1015 FALSE), /* pcrel_offset */ 1016 1017 /* GP relative reference. */ 1018 HOWTO (R_MIPS_GPREL16, /* type */ 1019 0, /* rightshift */ 1020 2, /* size (0 = byte, 1 = short, 2 = long) */ 1021 16, /* bitsize */ 1022 FALSE, /* pc_relative */ 1023 0, /* bitpos */ 1024 complain_overflow_signed, /* complain_on_overflow */ 1025 mips_elf64_gprel16_reloc, /* special_function */ 1026 "R_MIPS_GPREL16", /* name */ 1027 FALSE, /* partial_inplace */ 1028 0, /* src_mask */ 1029 0x0000ffff, /* dst_mask */ 1030 FALSE), /* pcrel_offset */ 1031 1032 /* Reference to literal section. */ 1033 HOWTO (R_MIPS_LITERAL, /* type */ 1034 0, /* rightshift */ 1035 2, /* size (0 = byte, 1 = short, 2 = long) */ 1036 16, /* bitsize */ 1037 FALSE, /* pc_relative */ 1038 0, /* bitpos */ 1039 complain_overflow_signed, /* complain_on_overflow */ 1040 mips_elf64_literal_reloc, /* special_function */ 1041 "R_MIPS_LITERAL", /* name */ 1042 FALSE, /* partial_inplace */ 1043 0, /* src_mask */ 1044 0x0000ffff, /* dst_mask */ 1045 FALSE), /* pcrel_offset */ 1046 1047 /* Reference to global offset table. */ 1048 HOWTO (R_MIPS_GOT16, /* type */ 1049 0, /* rightshift */ 1050 2, /* size (0 = byte, 1 = short, 2 = long) */ 1051 16, /* bitsize */ 1052 FALSE, /* pc_relative */ 1053 0, /* bitpos */ 1054 complain_overflow_signed, /* complain_on_overflow */ 1055 _bfd_mips_elf_generic_reloc, /* special_function */ 1056 "R_MIPS_GOT16", /* name */ 1057 FALSE, /* partial_inplace */ 1058 0, /* src_mask */ 1059 0x0000ffff, /* dst_mask */ 1060 FALSE), /* pcrel_offset */ 1061 1062 /* 16 bit PC relative reference. Note that the ABI document has a typo 1063 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 1064 We do the right thing here. */ 1065 HOWTO (R_MIPS_PC16, /* type */ 1066 2, /* rightshift */ 1067 2, /* size (0 = byte, 1 = short, 2 = long) */ 1068 16, /* bitsize */ 1069 TRUE, /* pc_relative */ 1070 0, /* bitpos */ 1071 complain_overflow_signed, /* complain_on_overflow */ 1072 _bfd_mips_elf_generic_reloc, /* special_function */ 1073 "R_MIPS_PC16", /* name */ 1074 FALSE, /* partial_inplace */ 1075 0, /* src_mask */ 1076 0x0000ffff, /* dst_mask */ 1077 TRUE), /* pcrel_offset */ 1078 1079 /* 16 bit call through global offset table. */ 1080 HOWTO (R_MIPS_CALL16, /* type */ 1081 0, /* rightshift */ 1082 2, /* size (0 = byte, 1 = short, 2 = long) */ 1083 16, /* bitsize */ 1084 FALSE, /* pc_relative */ 1085 0, /* bitpos */ 1086 complain_overflow_signed, /* complain_on_overflow */ 1087 _bfd_mips_elf_generic_reloc, /* special_function */ 1088 "R_MIPS_CALL16", /* name */ 1089 FALSE, /* partial_inplace */ 1090 0, /* src_mask */ 1091 0x0000ffff, /* dst_mask */ 1092 FALSE), /* pcrel_offset */ 1093 1094 /* 32 bit GP relative reference. */ 1095 HOWTO (R_MIPS_GPREL32, /* type */ 1096 0, /* rightshift */ 1097 2, /* size (0 = byte, 1 = short, 2 = long) */ 1098 32, /* bitsize */ 1099 FALSE, /* pc_relative */ 1100 0, /* bitpos */ 1101 complain_overflow_dont, /* complain_on_overflow */ 1102 mips_elf64_gprel32_reloc, /* special_function */ 1103 "R_MIPS_GPREL32", /* name */ 1104 FALSE, /* partial_inplace */ 1105 0, /* src_mask */ 1106 0xffffffff, /* dst_mask */ 1107 FALSE), /* pcrel_offset */ 1108 1109 EMPTY_HOWTO (13), 1110 EMPTY_HOWTO (14), 1111 EMPTY_HOWTO (15), 1112 1113 /* A 5 bit shift field. */ 1114 HOWTO (R_MIPS_SHIFT5, /* type */ 1115 0, /* rightshift */ 1116 2, /* size (0 = byte, 1 = short, 2 = long) */ 1117 5, /* bitsize */ 1118 FALSE, /* pc_relative */ 1119 6, /* bitpos */ 1120 complain_overflow_bitfield, /* complain_on_overflow */ 1121 _bfd_mips_elf_generic_reloc, /* special_function */ 1122 "R_MIPS_SHIFT5", /* name */ 1123 FALSE, /* partial_inplace */ 1124 0, /* src_mask */ 1125 0x000007c0, /* dst_mask */ 1126 FALSE), /* pcrel_offset */ 1127 1128 /* A 6 bit shift field. */ 1129 HOWTO (R_MIPS_SHIFT6, /* type */ 1130 0, /* rightshift */ 1131 2, /* size (0 = byte, 1 = short, 2 = long) */ 1132 6, /* bitsize */ 1133 FALSE, /* pc_relative */ 1134 6, /* bitpos */ 1135 complain_overflow_bitfield, /* complain_on_overflow */ 1136 mips_elf64_shift6_reloc, /* special_function */ 1137 "R_MIPS_SHIFT6", /* name */ 1138 FALSE, /* partial_inplace */ 1139 0, /* src_mask */ 1140 0x000007c4, /* dst_mask */ 1141 FALSE), /* pcrel_offset */ 1142 1143 /* 64 bit relocation. */ 1144 HOWTO (R_MIPS_64, /* type */ 1145 0, /* rightshift */ 1146 4, /* size (0 = byte, 1 = short, 2 = long) */ 1147 64, /* bitsize */ 1148 FALSE, /* pc_relative */ 1149 0, /* bitpos */ 1150 complain_overflow_dont, /* complain_on_overflow */ 1151 _bfd_mips_elf_generic_reloc, /* special_function */ 1152 "R_MIPS_64", /* name */ 1153 FALSE, /* partial_inplace */ 1154 0, /* src_mask */ 1155 MINUS_ONE, /* dst_mask */ 1156 FALSE), /* pcrel_offset */ 1157 1158 /* Displacement in the global offset table. */ 1159 HOWTO (R_MIPS_GOT_DISP, /* type */ 1160 0, /* rightshift */ 1161 2, /* size (0 = byte, 1 = short, 2 = long) */ 1162 16, /* bitsize */ 1163 FALSE, /* pc_relative */ 1164 0, /* bitpos */ 1165 complain_overflow_signed, /* complain_on_overflow */ 1166 _bfd_mips_elf_generic_reloc, /* special_function */ 1167 "R_MIPS_GOT_DISP", /* name */ 1168 FALSE, /* partial_inplace */ 1169 0, /* src_mask */ 1170 0x0000ffff, /* dst_mask */ 1171 FALSE), /* pcrel_offset */ 1172 1173 /* Displacement to page pointer in the global offset table. */ 1174 HOWTO (R_MIPS_GOT_PAGE, /* type */ 1175 0, /* rightshift */ 1176 2, /* size (0 = byte, 1 = short, 2 = long) */ 1177 16, /* bitsize */ 1178 FALSE, /* pc_relative */ 1179 0, /* bitpos */ 1180 complain_overflow_signed, /* complain_on_overflow */ 1181 _bfd_mips_elf_generic_reloc, /* special_function */ 1182 "R_MIPS_GOT_PAGE", /* name */ 1183 FALSE, /* partial_inplace */ 1184 0, /* src_mask */ 1185 0x0000ffff, /* dst_mask */ 1186 FALSE), /* pcrel_offset */ 1187 1188 /* Offset from page pointer in the global offset table. */ 1189 HOWTO (R_MIPS_GOT_OFST, /* type */ 1190 0, /* rightshift */ 1191 2, /* size (0 = byte, 1 = short, 2 = long) */ 1192 16, /* bitsize */ 1193 FALSE, /* pc_relative */ 1194 0, /* bitpos */ 1195 complain_overflow_signed, /* complain_on_overflow */ 1196 _bfd_mips_elf_generic_reloc, /* special_function */ 1197 "R_MIPS_GOT_OFST", /* name */ 1198 FALSE, /* partial_inplace */ 1199 0, /* src_mask */ 1200 0x0000ffff, /* dst_mask */ 1201 FALSE), /* pcrel_offset */ 1202 1203 /* High 16 bits of displacement in global offset table. */ 1204 HOWTO (R_MIPS_GOT_HI16, /* type */ 1205 0, /* rightshift */ 1206 2, /* size (0 = byte, 1 = short, 2 = long) */ 1207 16, /* bitsize */ 1208 FALSE, /* pc_relative */ 1209 0, /* bitpos */ 1210 complain_overflow_dont, /* complain_on_overflow */ 1211 _bfd_mips_elf_generic_reloc, /* special_function */ 1212 "R_MIPS_GOT_HI16", /* name */ 1213 FALSE, /* partial_inplace */ 1214 0, /* src_mask */ 1215 0x0000ffff, /* dst_mask */ 1216 FALSE), /* pcrel_offset */ 1217 1218 /* Low 16 bits of displacement in global offset table. */ 1219 HOWTO (R_MIPS_GOT_LO16, /* type */ 1220 0, /* rightshift */ 1221 2, /* size (0 = byte, 1 = short, 2 = long) */ 1222 16, /* bitsize */ 1223 FALSE, /* pc_relative */ 1224 0, /* bitpos */ 1225 complain_overflow_dont, /* complain_on_overflow */ 1226 _bfd_mips_elf_generic_reloc, /* special_function */ 1227 "R_MIPS_GOT_LO16", /* name */ 1228 FALSE, /* partial_inplace */ 1229 0, /* src_mask */ 1230 0x0000ffff, /* dst_mask */ 1231 FALSE), /* pcrel_offset */ 1232 1233 /* 64 bit subtraction. */ 1234 HOWTO (R_MIPS_SUB, /* type */ 1235 0, /* rightshift */ 1236 4, /* size (0 = byte, 1 = short, 2 = long) */ 1237 64, /* bitsize */ 1238 FALSE, /* pc_relative */ 1239 0, /* bitpos */ 1240 complain_overflow_dont, /* complain_on_overflow */ 1241 _bfd_mips_elf_generic_reloc, /* special_function */ 1242 "R_MIPS_SUB", /* name */ 1243 FALSE, /* partial_inplace */ 1244 0, /* src_mask */ 1245 MINUS_ONE, /* dst_mask */ 1246 FALSE), /* pcrel_offset */ 1247 1248 /* Insert the addend as an instruction. */ 1249 /* FIXME: Not handled correctly. */ 1250 HOWTO (R_MIPS_INSERT_A, /* type */ 1251 0, /* rightshift */ 1252 2, /* size (0 = byte, 1 = short, 2 = long) */ 1253 32, /* bitsize */ 1254 FALSE, /* pc_relative */ 1255 0, /* bitpos */ 1256 complain_overflow_dont, /* complain_on_overflow */ 1257 _bfd_mips_elf_generic_reloc, /* special_function */ 1258 "R_MIPS_INSERT_A", /* name */ 1259 FALSE, /* partial_inplace */ 1260 0, /* src_mask */ 1261 0xffffffff, /* dst_mask */ 1262 FALSE), /* pcrel_offset */ 1263 1264 /* Insert the addend as an instruction, and change all relocations 1265 to refer to the old instruction at the address. */ 1266 /* FIXME: Not handled correctly. */ 1267 HOWTO (R_MIPS_INSERT_B, /* type */ 1268 0, /* rightshift */ 1269 2, /* size (0 = byte, 1 = short, 2 = long) */ 1270 32, /* bitsize */ 1271 FALSE, /* pc_relative */ 1272 0, /* bitpos */ 1273 complain_overflow_dont, /* complain_on_overflow */ 1274 _bfd_mips_elf_generic_reloc, /* special_function */ 1275 "R_MIPS_INSERT_B", /* name */ 1276 FALSE, /* partial_inplace */ 1277 0, /* src_mask */ 1278 0xffffffff, /* dst_mask */ 1279 FALSE), /* pcrel_offset */ 1280 1281 /* Delete a 32 bit instruction. */ 1282 /* FIXME: Not handled correctly. */ 1283 HOWTO (R_MIPS_DELETE, /* type */ 1284 0, /* rightshift */ 1285 2, /* size (0 = byte, 1 = short, 2 = long) */ 1286 32, /* 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_MIPS_DELETE", /* name */ 1292 FALSE, /* partial_inplace */ 1293 0, /* src_mask */ 1294 0xffffffff, /* dst_mask */ 1295 FALSE), /* pcrel_offset */ 1296 1297 /* Get the higher value of a 64 bit addend. */ 1298 HOWTO (R_MIPS_HIGHER, /* 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_MIPS_HIGHER", /* name */ 1307 FALSE, /* partial_inplace */ 1308 0, /* src_mask */ 1309 0x0000ffff, /* dst_mask */ 1310 FALSE), /* pcrel_offset */ 1311 1312 /* Get the highest value of a 64 bit addend. */ 1313 HOWTO (R_MIPS_HIGHEST, /* 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_MIPS_HIGHEST", /* name */ 1322 FALSE, /* partial_inplace */ 1323 0, /* src_mask */ 1324 0x0000ffff, /* dst_mask */ 1325 FALSE), /* pcrel_offset */ 1326 1327 /* High 16 bits of displacement in global offset table. */ 1328 HOWTO (R_MIPS_CALL_HI16, /* 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_MIPS_CALL_HI16", /* name */ 1337 FALSE, /* partial_inplace */ 1338 0, /* src_mask */ 1339 0x0000ffff, /* dst_mask */ 1340 FALSE), /* pcrel_offset */ 1341 1342 /* Low 16 bits of displacement in global offset table. */ 1343 HOWTO (R_MIPS_CALL_LO16, /* type */ 1344 0, /* rightshift */ 1345 2, /* size (0 = byte, 1 = short, 2 = long) */ 1346 16, /* 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_MIPS_CALL_LO16", /* name */ 1352 FALSE, /* partial_inplace */ 1353 0, /* src_mask */ 1354 0x0000ffff, /* dst_mask */ 1355 FALSE), /* pcrel_offset */ 1356 1357 /* Section displacement, used by an associated event location section. */ 1358 HOWTO (R_MIPS_SCN_DISP, /* type */ 1359 0, /* rightshift */ 1360 2, /* size (0 = byte, 1 = short, 2 = long) */ 1361 32, /* bitsize */ 1362 FALSE, /* pc_relative */ 1363 0, /* bitpos */ 1364 complain_overflow_dont, /* complain_on_overflow */ 1365 _bfd_mips_elf_generic_reloc, /* special_function */ 1366 "R_MIPS_SCN_DISP", /* name */ 1367 FALSE, /* partial_inplace */ 1368 0, /* src_mask */ 1369 0xffffffff, /* dst_mask */ 1370 FALSE), /* pcrel_offset */ 1371 1372 HOWTO (R_MIPS_REL16, /* type */ 1373 0, /* rightshift */ 1374 1, /* size (0 = byte, 1 = short, 2 = long) */ 1375 16, /* bitsize */ 1376 FALSE, /* pc_relative */ 1377 0, /* bitpos */ 1378 complain_overflow_signed, /* complain_on_overflow */ 1379 _bfd_mips_elf_generic_reloc, /* special_function */ 1380 "R_MIPS_REL16", /* name */ 1381 FALSE, /* partial_inplace */ 1382 0, /* src_mask */ 1383 0xffff, /* dst_mask */ 1384 FALSE), /* pcrel_offset */ 1385 1386 /* These two are obsolete. */ 1387 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 1388 EMPTY_HOWTO (R_MIPS_PJUMP), 1389 1390 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 1391 It must be used for multigot GOT's (and only there). */ 1392 HOWTO (R_MIPS_RELGOT, /* type */ 1393 0, /* rightshift */ 1394 2, /* size (0 = byte, 1 = short, 2 = long) */ 1395 32, /* bitsize */ 1396 FALSE, /* pc_relative */ 1397 0, /* bitpos */ 1398 complain_overflow_dont, /* complain_on_overflow */ 1399 _bfd_mips_elf_generic_reloc, /* special_function */ 1400 "R_MIPS_RELGOT", /* name */ 1401 FALSE, /* partial_inplace */ 1402 0, /* src_mask */ 1403 0xffffffff, /* dst_mask */ 1404 FALSE), /* pcrel_offset */ 1405 1406 /* Protected jump conversion. This is an optimization hint. No 1407 relocation is required for correctness. */ 1408 HOWTO (R_MIPS_JALR, /* type */ 1409 0, /* rightshift */ 1410 2, /* size (0 = byte, 1 = short, 2 = long) */ 1411 32, /* bitsize */ 1412 FALSE, /* pc_relative */ 1413 0, /* bitpos */ 1414 complain_overflow_dont, /* complain_on_overflow */ 1415 _bfd_mips_elf_generic_reloc, /* special_function */ 1416 "R_MIPS_JALR", /* name */ 1417 FALSE, /* partial_inplace */ 1418 0, /* src_mask */ 1419 0x00000000, /* dst_mask */ 1420 FALSE), /* pcrel_offset */ 1421 1422 /* TLS relocations. */ 1423 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 1424 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 1425 1426 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 1427 0, /* rightshift */ 1428 4, /* size (0 = byte, 1 = short, 2 = long) */ 1429 64, /* bitsize */ 1430 FALSE, /* pc_relative */ 1431 0, /* bitpos */ 1432 complain_overflow_dont, /* complain_on_overflow */ 1433 _bfd_mips_elf_generic_reloc, /* special_function */ 1434 "R_MIPS_TLS_DTPMOD64", /* name */ 1435 FALSE, /* partial_inplace */ 1436 0, /* src_mask */ 1437 MINUS_ONE, /* dst_mask */ 1438 FALSE), /* pcrel_offset */ 1439 1440 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 1441 0, /* rightshift */ 1442 4, /* size (0 = byte, 1 = short, 2 = long) */ 1443 64, /* bitsize */ 1444 FALSE, /* pc_relative */ 1445 0, /* bitpos */ 1446 complain_overflow_dont, /* complain_on_overflow */ 1447 _bfd_mips_elf_generic_reloc, /* special_function */ 1448 "R_MIPS_TLS_DTPREL64", /* name */ 1449 FALSE, /* partial_inplace */ 1450 0, /* src_mask */ 1451 MINUS_ONE, /* dst_mask */ 1452 FALSE), /* pcrel_offset */ 1453 1454 /* TLS general dynamic variable reference. */ 1455 HOWTO (R_MIPS_TLS_GD, /* 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_MIPS_TLS_GD", /* name */ 1464 FALSE, /* partial_inplace */ 1465 0, /* src_mask */ 1466 0x0000ffff, /* dst_mask */ 1467 FALSE), /* pcrel_offset */ 1468 1469 /* TLS local dynamic variable reference. */ 1470 HOWTO (R_MIPS_TLS_LDM, /* type */ 1471 0, /* rightshift */ 1472 2, /* size (0 = byte, 1 = short, 2 = long) */ 1473 16, /* bitsize */ 1474 FALSE, /* pc_relative */ 1475 0, /* bitpos */ 1476 complain_overflow_signed, /* complain_on_overflow */ 1477 _bfd_mips_elf_generic_reloc, /* special_function */ 1478 "R_MIPS_TLS_LDM", /* name */ 1479 FALSE, /* partial_inplace */ 1480 0, /* src_mask */ 1481 0x0000ffff, /* dst_mask */ 1482 FALSE), /* pcrel_offset */ 1483 1484 /* TLS local dynamic offset. */ 1485 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 1486 0, /* rightshift */ 1487 2, /* size (0 = byte, 1 = short, 2 = long) */ 1488 16, /* bitsize */ 1489 FALSE, /* pc_relative */ 1490 0, /* bitpos */ 1491 complain_overflow_signed, /* complain_on_overflow */ 1492 _bfd_mips_elf_generic_reloc, /* special_function */ 1493 "R_MIPS_TLS_DTPREL_HI16", /* name */ 1494 FALSE, /* partial_inplace */ 1495 0, /* src_mask */ 1496 0x0000ffff, /* dst_mask */ 1497 FALSE), /* pcrel_offset */ 1498 1499 /* TLS local dynamic offset. */ 1500 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 1501 0, /* rightshift */ 1502 2, /* size (0 = byte, 1 = short, 2 = long) */ 1503 16, /* bitsize */ 1504 FALSE, /* pc_relative */ 1505 0, /* bitpos */ 1506 complain_overflow_signed, /* complain_on_overflow */ 1507 _bfd_mips_elf_generic_reloc, /* special_function */ 1508 "R_MIPS_TLS_DTPREL_LO16", /* name */ 1509 FALSE, /* partial_inplace */ 1510 0, /* src_mask */ 1511 0x0000ffff, /* dst_mask */ 1512 FALSE), /* pcrel_offset */ 1513 1514 /* TLS thread pointer offset. */ 1515 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 1516 0, /* rightshift */ 1517 2, /* size (0 = byte, 1 = short, 2 = long) */ 1518 16, /* bitsize */ 1519 FALSE, /* pc_relative */ 1520 0, /* bitpos */ 1521 complain_overflow_signed, /* complain_on_overflow */ 1522 _bfd_mips_elf_generic_reloc, /* special_function */ 1523 "R_MIPS_TLS_GOTTPREL", /* name */ 1524 FALSE, /* partial_inplace */ 1525 0, /* src_mask */ 1526 0x0000ffff, /* dst_mask */ 1527 FALSE), /* pcrel_offset */ 1528 1529 /* TLS IE dynamic relocations. */ 1530 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 1531 1532 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 1533 0, /* rightshift */ 1534 4, /* size (0 = byte, 1 = short, 2 = long) */ 1535 64, /* bitsize */ 1536 FALSE, /* pc_relative */ 1537 0, /* bitpos */ 1538 complain_overflow_dont, /* complain_on_overflow */ 1539 _bfd_mips_elf_generic_reloc, /* special_function */ 1540 "R_MIPS_TLS_TPREL64", /* name */ 1541 FALSE, /* partial_inplace */ 1542 0, /* src_mask */ 1543 MINUS_ONE, /* dst_mask */ 1544 FALSE), /* pcrel_offset */ 1545 1546 /* TLS thread pointer offset. */ 1547 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 1548 0, /* rightshift */ 1549 2, /* size (0 = byte, 1 = short, 2 = long) */ 1550 16, /* bitsize */ 1551 FALSE, /* pc_relative */ 1552 0, /* bitpos */ 1553 complain_overflow_signed, /* complain_on_overflow */ 1554 _bfd_mips_elf_generic_reloc, /* special_function */ 1555 "R_MIPS_TLS_TPREL_HI16", /* name */ 1556 FALSE, /* partial_inplace */ 1557 0, /* src_mask */ 1558 0x0000ffff, /* dst_mask */ 1559 FALSE), /* pcrel_offset */ 1560 1561 /* TLS thread pointer offset. */ 1562 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 1563 0, /* rightshift */ 1564 2, /* size (0 = byte, 1 = short, 2 = long) */ 1565 16, /* bitsize */ 1566 FALSE, /* pc_relative */ 1567 0, /* bitpos */ 1568 complain_overflow_signed, /* complain_on_overflow */ 1569 _bfd_mips_elf_generic_reloc, /* special_function */ 1570 "R_MIPS_TLS_TPREL_LO16", /* name */ 1571 FALSE, /* partial_inplace */ 1572 0, /* src_mask */ 1573 0x0000ffff, /* dst_mask */ 1574 FALSE), /* pcrel_offset */ 1575 1576 /* 32 bit relocation with no addend. */ 1577 HOWTO (R_MIPS_GLOB_DAT, /* type */ 1578 0, /* rightshift */ 1579 2, /* size (0 = byte, 1 = short, 2 = long) */ 1580 32, /* bitsize */ 1581 FALSE, /* pc_relative */ 1582 0, /* bitpos */ 1583 complain_overflow_dont, /* complain_on_overflow */ 1584 _bfd_mips_elf_generic_reloc, /* special_function */ 1585 "R_MIPS_GLOB_DAT", /* name */ 1586 FALSE, /* partial_inplace */ 1587 0x0, /* src_mask */ 1588 0xffffffff, /* dst_mask */ 1589 FALSE), /* pcrel_offset */ 1590 1591 EMPTY_HOWTO (52), 1592 EMPTY_HOWTO (53), 1593 EMPTY_HOWTO (54), 1594 EMPTY_HOWTO (55), 1595 EMPTY_HOWTO (56), 1596 EMPTY_HOWTO (57), 1597 EMPTY_HOWTO (58), 1598 EMPTY_HOWTO (59), 1599 1600 HOWTO (R_MIPS_PC21_S2, /* type */ 1601 2, /* rightshift */ 1602 2, /* size (0 = byte, 1 = short, 2 = long) */ 1603 21, /* bitsize */ 1604 TRUE, /* pc_relative */ 1605 0, /* bitpos */ 1606 complain_overflow_signed, /* complain_on_overflow */ 1607 _bfd_mips_elf_generic_reloc, /* special_function */ 1608 "R_MIPS_PC21_S2", /* name */ 1609 FALSE, /* partial_inplace */ 1610 0, /* src_mask */ 1611 0x001fffff, /* dst_mask */ 1612 TRUE), /* pcrel_offset */ 1613 1614 HOWTO (R_MIPS_PC26_S2, /* type */ 1615 2, /* rightshift */ 1616 2, /* size (0 = byte, 1 = short, 2 = long) */ 1617 26, /* bitsize */ 1618 TRUE, /* pc_relative */ 1619 0, /* bitpos */ 1620 complain_overflow_signed, /* complain_on_overflow */ 1621 _bfd_mips_elf_generic_reloc, /* special_function */ 1622 "R_MIPS_PC26_S2", /* name */ 1623 FALSE, /* partial_inplace */ 1624 0, /* src_mask */ 1625 0x03ffffff, /* dst_mask */ 1626 TRUE), /* pcrel_offset */ 1627 1628 HOWTO (R_MIPS_PC18_S3, /* type */ 1629 3, /* rightshift */ 1630 2, /* size (0 = byte, 1 = short, 2 = long) */ 1631 18, /* bitsize */ 1632 TRUE, /* pc_relative */ 1633 0, /* bitpos */ 1634 complain_overflow_signed, /* complain_on_overflow */ 1635 _bfd_mips_elf_generic_reloc, /* special_function */ 1636 "R_MIPS_PC18_S3", /* name */ 1637 FALSE, /* partial_inplace */ 1638 0, /* src_mask */ 1639 0x0003ffff, /* dst_mask */ 1640 TRUE), /* pcrel_offset */ 1641 1642 HOWTO (R_MIPS_PC19_S2, /* type */ 1643 2, /* rightshift */ 1644 2, /* size (0 = byte, 1 = short, 2 = long) */ 1645 19, /* bitsize */ 1646 TRUE, /* pc_relative */ 1647 0, /* bitpos */ 1648 complain_overflow_signed, /* complain_on_overflow */ 1649 _bfd_mips_elf_generic_reloc, /* special_function */ 1650 "R_MIPS_PC19_S2", /* name */ 1651 FALSE, /* partial_inplace */ 1652 0, /* src_mask */ 1653 0x0007ffff, /* dst_mask */ 1654 TRUE), /* pcrel_offset */ 1655 1656 HOWTO (R_MIPS_PCHI16, /* type */ 1657 16, /* rightshift */ 1658 2, /* size (0 = byte, 1 = short, 2 = long) */ 1659 16, /* bitsize */ 1660 TRUE, /* pc_relative */ 1661 0, /* bitpos */ 1662 complain_overflow_signed, /* complain_on_overflow */ 1663 _bfd_mips_elf_generic_reloc, /* special_function */ 1664 "R_MIPS_PCHI16", /* name */ 1665 FALSE, /* partial_inplace */ 1666 0, /* src_mask */ 1667 0x0000ffff, /* dst_mask */ 1668 TRUE), /* pcrel_offset */ 1669 1670 HOWTO (R_MIPS_PCLO16, /* type */ 1671 0, /* rightshift */ 1672 2, /* size (0 = byte, 1 = short, 2 = long) */ 1673 16, /* bitsize */ 1674 TRUE, /* pc_relative */ 1675 0, /* bitpos */ 1676 complain_overflow_dont, /* complain_on_overflow */ 1677 _bfd_mips_elf_generic_reloc, /* special_function */ 1678 "R_MIPS_PCLO16", /* name */ 1679 FALSE, /* partial_inplace */ 1680 0, /* src_mask */ 1681 0x0000ffff, /* dst_mask */ 1682 TRUE), /* pcrel_offset */ 1683 1684 }; 1685 1686 static reloc_howto_type mips16_elf64_howto_table_rel[] = 1687 { 1688 /* The reloc used for the mips16 jump instruction. */ 1689 HOWTO (R_MIPS16_26, /* type */ 1690 2, /* rightshift */ 1691 2, /* size (0 = byte, 1 = short, 2 = long) */ 1692 26, /* bitsize */ 1693 FALSE, /* pc_relative */ 1694 0, /* bitpos */ 1695 complain_overflow_dont, /* complain_on_overflow */ 1696 /* This needs complex overflow 1697 detection, because the upper four 1698 bits must match the PC. */ 1699 _bfd_mips_elf_generic_reloc, /* special_function */ 1700 "R_MIPS16_26", /* name */ 1701 TRUE, /* partial_inplace */ 1702 0x3ffffff, /* src_mask */ 1703 0x3ffffff, /* dst_mask */ 1704 FALSE), /* pcrel_offset */ 1705 1706 /* The reloc used for the mips16 gprel instruction. */ 1707 HOWTO (R_MIPS16_GPREL, /* type */ 1708 0, /* rightshift */ 1709 2, /* size (0 = byte, 1 = short, 2 = long) */ 1710 16, /* bitsize */ 1711 FALSE, /* pc_relative */ 1712 0, /* bitpos */ 1713 complain_overflow_signed, /* complain_on_overflow */ 1714 mips16_gprel_reloc, /* special_function */ 1715 "R_MIPS16_GPREL", /* name */ 1716 TRUE, /* partial_inplace */ 1717 0x0000ffff, /* src_mask */ 1718 0x0000ffff, /* dst_mask */ 1719 FALSE), /* pcrel_offset */ 1720 1721 /* A MIPS16 reference to the global offset table. */ 1722 HOWTO (R_MIPS16_GOT16, /* type */ 1723 0, /* rightshift */ 1724 2, /* size (0 = byte, 1 = short, 2 = long) */ 1725 16, /* bitsize */ 1726 FALSE, /* pc_relative */ 1727 0, /* bitpos */ 1728 complain_overflow_dont, /* complain_on_overflow */ 1729 _bfd_mips_elf_got16_reloc, /* special_function */ 1730 "R_MIPS16_GOT16", /* name */ 1731 TRUE, /* partial_inplace */ 1732 0x0000ffff, /* src_mask */ 1733 0x0000ffff, /* dst_mask */ 1734 FALSE), /* pcrel_offset */ 1735 1736 /* A MIPS16 call through the global offset table. */ 1737 HOWTO (R_MIPS16_CALL16, /* type */ 1738 0, /* rightshift */ 1739 2, /* size (0 = byte, 1 = short, 2 = long) */ 1740 16, /* bitsize */ 1741 FALSE, /* pc_relative */ 1742 0, /* bitpos */ 1743 complain_overflow_dont, /* complain_on_overflow */ 1744 _bfd_mips_elf_generic_reloc, /* special_function */ 1745 "R_MIPS16_CALL16", /* name */ 1746 TRUE, /* partial_inplace */ 1747 0x0000ffff, /* src_mask */ 1748 0x0000ffff, /* dst_mask */ 1749 FALSE), /* pcrel_offset */ 1750 1751 /* MIPS16 high 16 bits of symbol value. */ 1752 HOWTO (R_MIPS16_HI16, /* type */ 1753 16, /* rightshift */ 1754 2, /* size (0 = byte, 1 = short, 2 = long) */ 1755 16, /* bitsize */ 1756 FALSE, /* pc_relative */ 1757 0, /* bitpos */ 1758 complain_overflow_dont, /* complain_on_overflow */ 1759 _bfd_mips_elf_hi16_reloc, /* special_function */ 1760 "R_MIPS16_HI16", /* name */ 1761 TRUE, /* partial_inplace */ 1762 0x0000ffff, /* src_mask */ 1763 0x0000ffff, /* dst_mask */ 1764 FALSE), /* pcrel_offset */ 1765 1766 /* MIPS16 low 16 bits of symbol value. */ 1767 HOWTO (R_MIPS16_LO16, /* type */ 1768 0, /* rightshift */ 1769 2, /* size (0 = byte, 1 = short, 2 = long) */ 1770 16, /* bitsize */ 1771 FALSE, /* pc_relative */ 1772 0, /* bitpos */ 1773 complain_overflow_dont, /* complain_on_overflow */ 1774 _bfd_mips_elf_lo16_reloc, /* special_function */ 1775 "R_MIPS16_LO16", /* name */ 1776 TRUE, /* partial_inplace */ 1777 0x0000ffff, /* src_mask */ 1778 0x0000ffff, /* dst_mask */ 1779 FALSE), /* pcrel_offset */ 1780 1781 /* MIPS16 TLS general dynamic variable reference. */ 1782 HOWTO (R_MIPS16_TLS_GD, /* type */ 1783 0, /* rightshift */ 1784 2, /* size (0 = byte, 1 = short, 2 = long) */ 1785 16, /* bitsize */ 1786 FALSE, /* pc_relative */ 1787 0, /* bitpos */ 1788 complain_overflow_signed, /* complain_on_overflow */ 1789 _bfd_mips_elf_generic_reloc, /* special_function */ 1790 "R_MIPS16_TLS_GD", /* name */ 1791 TRUE, /* partial_inplace */ 1792 0x0000ffff, /* src_mask */ 1793 0x0000ffff, /* dst_mask */ 1794 FALSE), /* pcrel_offset */ 1795 1796 /* MIPS16 TLS local dynamic variable reference. */ 1797 HOWTO (R_MIPS16_TLS_LDM, /* type */ 1798 0, /* rightshift */ 1799 2, /* size (0 = byte, 1 = short, 2 = long) */ 1800 16, /* bitsize */ 1801 FALSE, /* pc_relative */ 1802 0, /* bitpos */ 1803 complain_overflow_signed, /* complain_on_overflow */ 1804 _bfd_mips_elf_generic_reloc, /* special_function */ 1805 "R_MIPS16_TLS_LDM", /* name */ 1806 TRUE, /* partial_inplace */ 1807 0x0000ffff, /* src_mask */ 1808 0x0000ffff, /* dst_mask */ 1809 FALSE), /* pcrel_offset */ 1810 1811 /* MIPS16 TLS local dynamic offset. */ 1812 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 1813 0, /* rightshift */ 1814 2, /* size (0 = byte, 1 = short, 2 = long) */ 1815 16, /* bitsize */ 1816 FALSE, /* pc_relative */ 1817 0, /* bitpos */ 1818 complain_overflow_signed, /* complain_on_overflow */ 1819 _bfd_mips_elf_generic_reloc, /* special_function */ 1820 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 1821 TRUE, /* partial_inplace */ 1822 0x0000ffff, /* src_mask */ 1823 0x0000ffff, /* dst_mask */ 1824 FALSE), /* pcrel_offset */ 1825 1826 /* MIPS16 TLS local dynamic offset. */ 1827 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 1828 0, /* rightshift */ 1829 2, /* size (0 = byte, 1 = short, 2 = long) */ 1830 16, /* bitsize */ 1831 FALSE, /* pc_relative */ 1832 0, /* bitpos */ 1833 complain_overflow_signed, /* complain_on_overflow */ 1834 _bfd_mips_elf_generic_reloc, /* special_function */ 1835 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 1836 TRUE, /* partial_inplace */ 1837 0x0000ffff, /* src_mask */ 1838 0x0000ffff, /* dst_mask */ 1839 FALSE), /* pcrel_offset */ 1840 1841 /* MIPS16 TLS thread pointer offset. */ 1842 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 1843 0, /* rightshift */ 1844 2, /* size (0 = byte, 1 = short, 2 = long) */ 1845 16, /* bitsize */ 1846 FALSE, /* pc_relative */ 1847 0, /* bitpos */ 1848 complain_overflow_signed, /* complain_on_overflow */ 1849 _bfd_mips_elf_generic_reloc, /* special_function */ 1850 "R_MIPS16_TLS_GOTTPREL", /* name */ 1851 TRUE, /* partial_inplace */ 1852 0x0000ffff, /* src_mask */ 1853 0x0000ffff, /* dst_mask */ 1854 FALSE), /* pcrel_offset */ 1855 1856 /* MIPS16 TLS thread pointer offset. */ 1857 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1858 0, /* rightshift */ 1859 2, /* size (0 = byte, 1 = short, 2 = long) */ 1860 16, /* bitsize */ 1861 FALSE, /* pc_relative */ 1862 0, /* bitpos */ 1863 complain_overflow_signed, /* complain_on_overflow */ 1864 _bfd_mips_elf_generic_reloc, /* special_function */ 1865 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1866 TRUE, /* partial_inplace */ 1867 0x0000ffff, /* src_mask */ 1868 0x0000ffff, /* dst_mask */ 1869 FALSE), /* pcrel_offset */ 1870 1871 /* MIPS16 TLS thread pointer offset. */ 1872 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1873 0, /* rightshift */ 1874 2, /* size (0 = byte, 1 = short, 2 = long) */ 1875 16, /* bitsize */ 1876 FALSE, /* pc_relative */ 1877 0, /* bitpos */ 1878 complain_overflow_signed, /* complain_on_overflow */ 1879 _bfd_mips_elf_generic_reloc, /* special_function */ 1880 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1881 TRUE, /* partial_inplace */ 1882 0x0000ffff, /* src_mask */ 1883 0x0000ffff, /* dst_mask */ 1884 FALSE), /* pcrel_offset */ 1885 1886 /* MIPS16 16-bit PC-relative branch offset. */ 1887 HOWTO (R_MIPS16_PC16_S1, /* type */ 1888 1, /* rightshift */ 1889 2, /* size (0 = byte, 1 = short, 2 = long) */ 1890 16, /* bitsize */ 1891 TRUE, /* pc_relative */ 1892 0, /* bitpos */ 1893 complain_overflow_signed, /* complain_on_overflow */ 1894 _bfd_mips_elf_generic_reloc, /* special_function */ 1895 "R_MIPS16_PC16_S1", /* name */ 1896 TRUE, /* partial_inplace */ 1897 0x0000ffff, /* src_mask */ 1898 0x0000ffff, /* dst_mask */ 1899 TRUE), /* pcrel_offset */ 1900 }; 1901 1902 static reloc_howto_type mips16_elf64_howto_table_rela[] = 1903 { 1904 /* The reloc used for the mips16 jump instruction. */ 1905 HOWTO (R_MIPS16_26, /* type */ 1906 2, /* rightshift */ 1907 2, /* size (0 = byte, 1 = short, 2 = long) */ 1908 26, /* bitsize */ 1909 FALSE, /* pc_relative */ 1910 0, /* bitpos */ 1911 complain_overflow_dont, /* complain_on_overflow */ 1912 /* This needs complex overflow 1913 detection, because the upper four 1914 bits must match the PC. */ 1915 _bfd_mips_elf_generic_reloc, /* special_function */ 1916 "R_MIPS16_26", /* name */ 1917 FALSE, /* partial_inplace */ 1918 0, /* src_mask */ 1919 0x3ffffff, /* dst_mask */ 1920 FALSE), /* pcrel_offset */ 1921 1922 /* The reloc used for the mips16 gprel instruction. */ 1923 HOWTO (R_MIPS16_GPREL, /* type */ 1924 0, /* rightshift */ 1925 2, /* size (0 = byte, 1 = short, 2 = long) */ 1926 16, /* bitsize */ 1927 FALSE, /* pc_relative */ 1928 0, /* bitpos */ 1929 complain_overflow_signed, /* complain_on_overflow */ 1930 mips16_gprel_reloc, /* special_function */ 1931 "R_MIPS16_GPREL", /* name */ 1932 FALSE, /* partial_inplace */ 1933 0, /* src_mask */ 1934 0x0000ffff, /* dst_mask */ 1935 FALSE), /* pcrel_offset */ 1936 1937 /* A MIPS16 reference to the global offset table. */ 1938 HOWTO (R_MIPS16_GOT16, /* type */ 1939 0, /* rightshift */ 1940 2, /* size (0 = byte, 1 = short, 2 = long) */ 1941 16, /* bitsize */ 1942 FALSE, /* pc_relative */ 1943 0, /* bitpos */ 1944 complain_overflow_dont, /* complain_on_overflow */ 1945 _bfd_mips_elf_got16_reloc, /* special_function */ 1946 "R_MIPS16_GOT16", /* name */ 1947 FALSE, /* partial_inplace */ 1948 0, /* src_mask */ 1949 0x0000ffff, /* dst_mask */ 1950 FALSE), /* pcrel_offset */ 1951 1952 /* A MIPS16 call through the global offset table. */ 1953 HOWTO (R_MIPS16_CALL16, /* type */ 1954 0, /* rightshift */ 1955 2, /* size (0 = byte, 1 = short, 2 = long) */ 1956 16, /* bitsize */ 1957 FALSE, /* pc_relative */ 1958 0, /* bitpos */ 1959 complain_overflow_dont, /* complain_on_overflow */ 1960 _bfd_mips_elf_generic_reloc, /* special_function */ 1961 "R_MIPS16_CALL16", /* name */ 1962 FALSE, /* partial_inplace */ 1963 0, /* src_mask */ 1964 0x0000ffff, /* dst_mask */ 1965 FALSE), /* pcrel_offset */ 1966 1967 /* MIPS16 high 16 bits of symbol value. */ 1968 HOWTO (R_MIPS16_HI16, /* type */ 1969 16, /* rightshift */ 1970 2, /* size (0 = byte, 1 = short, 2 = long) */ 1971 16, /* bitsize */ 1972 FALSE, /* pc_relative */ 1973 0, /* bitpos */ 1974 complain_overflow_dont, /* complain_on_overflow */ 1975 _bfd_mips_elf_hi16_reloc, /* special_function */ 1976 "R_MIPS16_HI16", /* name */ 1977 FALSE, /* partial_inplace */ 1978 0, /* src_mask */ 1979 0x0000ffff, /* dst_mask */ 1980 FALSE), /* pcrel_offset */ 1981 1982 /* MIPS16 low 16 bits of symbol value. */ 1983 HOWTO (R_MIPS16_LO16, /* type */ 1984 0, /* rightshift */ 1985 2, /* size (0 = byte, 1 = short, 2 = long) */ 1986 16, /* bitsize */ 1987 FALSE, /* pc_relative */ 1988 0, /* bitpos */ 1989 complain_overflow_dont, /* complain_on_overflow */ 1990 _bfd_mips_elf_lo16_reloc, /* special_function */ 1991 "R_MIPS16_LO16", /* name */ 1992 FALSE, /* partial_inplace */ 1993 0, /* src_mask */ 1994 0x0000ffff, /* dst_mask */ 1995 FALSE), /* pcrel_offset */ 1996 1997 /* MIPS16 TLS general dynamic variable reference. */ 1998 HOWTO (R_MIPS16_TLS_GD, /* type */ 1999 0, /* rightshift */ 2000 2, /* size (0 = byte, 1 = short, 2 = long) */ 2001 16, /* bitsize */ 2002 FALSE, /* pc_relative */ 2003 0, /* bitpos */ 2004 complain_overflow_signed, /* complain_on_overflow */ 2005 _bfd_mips_elf_generic_reloc, /* special_function */ 2006 "R_MIPS16_TLS_GD", /* name */ 2007 FALSE, /* partial_inplace */ 2008 0, /* src_mask */ 2009 0x0000ffff, /* dst_mask */ 2010 FALSE), /* pcrel_offset */ 2011 2012 /* MIPS16 TLS local dynamic variable reference. */ 2013 HOWTO (R_MIPS16_TLS_LDM, /* type */ 2014 0, /* rightshift */ 2015 2, /* size (0 = byte, 1 = short, 2 = long) */ 2016 16, /* bitsize */ 2017 FALSE, /* pc_relative */ 2018 0, /* bitpos */ 2019 complain_overflow_signed, /* complain_on_overflow */ 2020 _bfd_mips_elf_generic_reloc, /* special_function */ 2021 "R_MIPS16_TLS_LDM", /* name */ 2022 FALSE, /* partial_inplace */ 2023 0, /* src_mask */ 2024 0x0000ffff, /* dst_mask */ 2025 FALSE), /* pcrel_offset */ 2026 2027 /* MIPS16 TLS local dynamic offset. */ 2028 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 2029 0, /* rightshift */ 2030 2, /* size (0 = byte, 1 = short, 2 = long) */ 2031 16, /* bitsize */ 2032 FALSE, /* pc_relative */ 2033 0, /* bitpos */ 2034 complain_overflow_signed, /* complain_on_overflow */ 2035 _bfd_mips_elf_generic_reloc, /* special_function */ 2036 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 2037 FALSE, /* partial_inplace */ 2038 0, /* src_mask */ 2039 0x0000ffff, /* dst_mask */ 2040 FALSE), /* pcrel_offset */ 2041 2042 /* MIPS16 TLS local dynamic offset. */ 2043 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 2044 0, /* rightshift */ 2045 2, /* size (0 = byte, 1 = short, 2 = long) */ 2046 16, /* bitsize */ 2047 FALSE, /* pc_relative */ 2048 0, /* bitpos */ 2049 complain_overflow_signed, /* complain_on_overflow */ 2050 _bfd_mips_elf_generic_reloc, /* special_function */ 2051 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 2052 FALSE, /* partial_inplace */ 2053 0, /* src_mask */ 2054 0x0000ffff, /* dst_mask */ 2055 FALSE), /* pcrel_offset */ 2056 2057 /* MIPS16 TLS thread pointer offset. */ 2058 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 2059 0, /* rightshift */ 2060 2, /* size (0 = byte, 1 = short, 2 = long) */ 2061 16, /* bitsize */ 2062 FALSE, /* pc_relative */ 2063 0, /* bitpos */ 2064 complain_overflow_signed, /* complain_on_overflow */ 2065 _bfd_mips_elf_generic_reloc, /* special_function */ 2066 "R_MIPS16_TLS_GOTTPREL", /* name */ 2067 FALSE, /* partial_inplace */ 2068 0, /* src_mask */ 2069 0x0000ffff, /* dst_mask */ 2070 FALSE), /* pcrel_offset */ 2071 2072 /* MIPS16 TLS thread pointer offset. */ 2073 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 2074 0, /* rightshift */ 2075 2, /* size (0 = byte, 1 = short, 2 = long) */ 2076 16, /* bitsize */ 2077 FALSE, /* pc_relative */ 2078 0, /* bitpos */ 2079 complain_overflow_signed, /* complain_on_overflow */ 2080 _bfd_mips_elf_generic_reloc, /* special_function */ 2081 "R_MIPS16_TLS_TPREL_HI16", /* name */ 2082 FALSE, /* partial_inplace */ 2083 0, /* src_mask */ 2084 0x0000ffff, /* dst_mask */ 2085 FALSE), /* pcrel_offset */ 2086 2087 /* MIPS16 TLS thread pointer offset. */ 2088 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 2089 0, /* rightshift */ 2090 2, /* size (0 = byte, 1 = short, 2 = long) */ 2091 16, /* bitsize */ 2092 FALSE, /* pc_relative */ 2093 0, /* bitpos */ 2094 complain_overflow_signed, /* complain_on_overflow */ 2095 _bfd_mips_elf_generic_reloc, /* special_function */ 2096 "R_MIPS16_TLS_TPREL_LO16", /* name */ 2097 FALSE, /* partial_inplace */ 2098 0, /* src_mask */ 2099 0x0000ffff, /* dst_mask */ 2100 FALSE), /* pcrel_offset */ 2101 2102 /* MIPS16 16-bit PC-relative branch offset. */ 2103 HOWTO (R_MIPS16_PC16_S1, /* type */ 2104 1, /* rightshift */ 2105 2, /* size (0 = byte, 1 = short, 2 = long) */ 2106 16, /* bitsize */ 2107 TRUE, /* pc_relative */ 2108 0, /* bitpos */ 2109 complain_overflow_signed, /* complain_on_overflow */ 2110 _bfd_mips_elf_generic_reloc, /* special_function */ 2111 "R_MIPS16_PC16_S1", /* name */ 2112 FALSE, /* partial_inplace */ 2113 0, /* src_mask */ 2114 0x0000ffff, /* dst_mask */ 2115 TRUE), /* pcrel_offset */ 2116 }; 2117 2118 static reloc_howto_type micromips_elf64_howto_table_rel[] = 2119 { 2120 EMPTY_HOWTO (130), 2121 EMPTY_HOWTO (131), 2122 EMPTY_HOWTO (132), 2123 2124 /* 26 bit jump address. */ 2125 HOWTO (R_MICROMIPS_26_S1, /* type */ 2126 1, /* rightshift */ 2127 2, /* size (0 = byte, 1 = short, 2 = long) */ 2128 26, /* bitsize */ 2129 FALSE, /* pc_relative */ 2130 0, /* bitpos */ 2131 complain_overflow_dont, /* complain_on_overflow */ 2132 /* This needs complex overflow 2133 detection, because the upper four 2134 bits must match the PC. */ 2135 _bfd_mips_elf_generic_reloc, /* special_function */ 2136 "R_MICROMIPS_26_S1", /* name */ 2137 TRUE, /* partial_inplace */ 2138 0x3ffffff, /* src_mask */ 2139 0x3ffffff, /* dst_mask */ 2140 FALSE), /* pcrel_offset */ 2141 2142 /* High 16 bits of symbol value. */ 2143 HOWTO (R_MICROMIPS_HI16, /* type */ 2144 16, /* rightshift */ 2145 2, /* size (0 = byte, 1 = short, 2 = long) */ 2146 16, /* bitsize */ 2147 FALSE, /* pc_relative */ 2148 0, /* bitpos */ 2149 complain_overflow_dont, /* complain_on_overflow */ 2150 _bfd_mips_elf_hi16_reloc, /* special_function */ 2151 "R_MICROMIPS_HI16", /* name */ 2152 TRUE, /* partial_inplace */ 2153 0x0000ffff, /* src_mask */ 2154 0x0000ffff, /* dst_mask */ 2155 FALSE), /* pcrel_offset */ 2156 2157 /* Low 16 bits of symbol value. */ 2158 HOWTO (R_MICROMIPS_LO16, /* type */ 2159 0, /* rightshift */ 2160 2, /* size (0 = byte, 1 = short, 2 = long) */ 2161 16, /* bitsize */ 2162 FALSE, /* pc_relative */ 2163 0, /* bitpos */ 2164 complain_overflow_dont, /* complain_on_overflow */ 2165 _bfd_mips_elf_lo16_reloc, /* special_function */ 2166 "R_MICROMIPS_LO16", /* name */ 2167 TRUE, /* partial_inplace */ 2168 0x0000ffff, /* src_mask */ 2169 0x0000ffff, /* dst_mask */ 2170 FALSE), /* pcrel_offset */ 2171 2172 /* GP relative reference. */ 2173 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2174 0, /* rightshift */ 2175 2, /* size (0 = byte, 1 = short, 2 = long) */ 2176 16, /* bitsize */ 2177 FALSE, /* pc_relative */ 2178 0, /* bitpos */ 2179 complain_overflow_signed, /* complain_on_overflow */ 2180 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2181 "R_MICROMIPS_GPREL16", /* name */ 2182 TRUE, /* partial_inplace */ 2183 0x0000ffff, /* src_mask */ 2184 0x0000ffff, /* dst_mask */ 2185 FALSE), /* pcrel_offset */ 2186 2187 /* Reference to literal section. */ 2188 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2189 0, /* rightshift */ 2190 2, /* size (0 = byte, 1 = short, 2 = long) */ 2191 16, /* bitsize */ 2192 FALSE, /* pc_relative */ 2193 0, /* bitpos */ 2194 complain_overflow_signed, /* complain_on_overflow */ 2195 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2196 "R_MICROMIPS_LITERAL", /* name */ 2197 TRUE, /* partial_inplace */ 2198 0x0000ffff, /* src_mask */ 2199 0x0000ffff, /* dst_mask */ 2200 FALSE), /* pcrel_offset */ 2201 2202 /* Reference to global offset table. */ 2203 HOWTO (R_MICROMIPS_GOT16, /* type */ 2204 0, /* rightshift */ 2205 2, /* size (0 = byte, 1 = short, 2 = long) */ 2206 16, /* bitsize */ 2207 FALSE, /* pc_relative */ 2208 0, /* bitpos */ 2209 complain_overflow_signed, /* complain_on_overflow */ 2210 _bfd_mips_elf_got16_reloc, /* special_function */ 2211 "R_MICROMIPS_GOT16", /* name */ 2212 TRUE, /* partial_inplace */ 2213 0x0000ffff, /* src_mask */ 2214 0x0000ffff, /* dst_mask */ 2215 FALSE), /* pcrel_offset */ 2216 2217 /* This is for microMIPS branches. */ 2218 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2219 1, /* rightshift */ 2220 1, /* size (0 = byte, 1 = short, 2 = long) */ 2221 7, /* bitsize */ 2222 TRUE, /* pc_relative */ 2223 0, /* bitpos */ 2224 complain_overflow_signed, /* complain_on_overflow */ 2225 _bfd_mips_elf_generic_reloc, /* special_function */ 2226 "R_MICROMIPS_PC7_S1", /* name */ 2227 TRUE, /* partial_inplace */ 2228 0x0000007f, /* src_mask */ 2229 0x0000007f, /* dst_mask */ 2230 TRUE), /* pcrel_offset */ 2231 2232 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2233 1, /* rightshift */ 2234 1, /* size (0 = byte, 1 = short, 2 = long) */ 2235 10, /* bitsize */ 2236 TRUE, /* pc_relative */ 2237 0, /* bitpos */ 2238 complain_overflow_signed, /* complain_on_overflow */ 2239 _bfd_mips_elf_generic_reloc, /* special_function */ 2240 "R_MICROMIPS_PC10_S1", /* name */ 2241 TRUE, /* partial_inplace */ 2242 0x000003ff, /* src_mask */ 2243 0x000003ff, /* dst_mask */ 2244 TRUE), /* pcrel_offset */ 2245 2246 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2247 1, /* rightshift */ 2248 2, /* size (0 = byte, 1 = short, 2 = long) */ 2249 16, /* bitsize */ 2250 TRUE, /* pc_relative */ 2251 0, /* bitpos */ 2252 complain_overflow_signed, /* complain_on_overflow */ 2253 _bfd_mips_elf_generic_reloc, /* special_function */ 2254 "R_MICROMIPS_PC16_S1", /* name */ 2255 TRUE, /* partial_inplace */ 2256 0x0000ffff, /* src_mask */ 2257 0x0000ffff, /* dst_mask */ 2258 TRUE), /* pcrel_offset */ 2259 2260 /* 16 bit call through global offset table. */ 2261 HOWTO (R_MICROMIPS_CALL16, /* type */ 2262 0, /* rightshift */ 2263 2, /* size (0 = byte, 1 = short, 2 = long) */ 2264 16, /* bitsize */ 2265 FALSE, /* pc_relative */ 2266 0, /* bitpos */ 2267 complain_overflow_signed, /* complain_on_overflow */ 2268 _bfd_mips_elf_generic_reloc, /* special_function */ 2269 "R_MICROMIPS_CALL16", /* name */ 2270 TRUE, /* partial_inplace */ 2271 0x0000ffff, /* src_mask */ 2272 0x0000ffff, /* dst_mask */ 2273 FALSE), /* pcrel_offset */ 2274 2275 EMPTY_HOWTO (143), 2276 EMPTY_HOWTO (144), 2277 2278 /* Displacement in the global offset table. */ 2279 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2280 0, /* rightshift */ 2281 2, /* size (0 = byte, 1 = short, 2 = long) */ 2282 16, /* bitsize */ 2283 FALSE, /* pc_relative */ 2284 0, /* bitpos */ 2285 complain_overflow_signed, /* complain_on_overflow */ 2286 _bfd_mips_elf_generic_reloc, /* special_function */ 2287 "R_MICROMIPS_GOT_DISP",/* name */ 2288 TRUE, /* partial_inplace */ 2289 0x0000ffff, /* src_mask */ 2290 0x0000ffff, /* dst_mask */ 2291 FALSE), /* pcrel_offset */ 2292 2293 /* Displacement to page pointer in the global offset table. */ 2294 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2295 0, /* rightshift */ 2296 2, /* size (0 = byte, 1 = short, 2 = long) */ 2297 16, /* bitsize */ 2298 FALSE, /* pc_relative */ 2299 0, /* bitpos */ 2300 complain_overflow_signed, /* complain_on_overflow */ 2301 _bfd_mips_elf_generic_reloc, /* special_function */ 2302 "R_MICROMIPS_GOT_PAGE",/* name */ 2303 TRUE, /* partial_inplace */ 2304 0x0000ffff, /* src_mask */ 2305 0x0000ffff, /* dst_mask */ 2306 FALSE), /* pcrel_offset */ 2307 2308 /* Offset from page pointer in the global offset table. */ 2309 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2310 0, /* rightshift */ 2311 2, /* size (0 = byte, 1 = short, 2 = long) */ 2312 16, /* bitsize */ 2313 FALSE, /* pc_relative */ 2314 0, /* bitpos */ 2315 complain_overflow_signed, /* complain_on_overflow */ 2316 _bfd_mips_elf_generic_reloc, /* special_function */ 2317 "R_MICROMIPS_GOT_OFST",/* name */ 2318 TRUE, /* partial_inplace */ 2319 0x0000ffff, /* src_mask */ 2320 0x0000ffff, /* dst_mask */ 2321 FALSE), /* pcrel_offset */ 2322 2323 /* High 16 bits of displacement in global offset table. */ 2324 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2325 0, /* rightshift */ 2326 2, /* size (0 = byte, 1 = short, 2 = long) */ 2327 16, /* bitsize */ 2328 FALSE, /* pc_relative */ 2329 0, /* bitpos */ 2330 complain_overflow_dont, /* complain_on_overflow */ 2331 _bfd_mips_elf_generic_reloc, /* special_function */ 2332 "R_MICROMIPS_GOT_HI16",/* name */ 2333 TRUE, /* partial_inplace */ 2334 0x0000ffff, /* src_mask */ 2335 0x0000ffff, /* dst_mask */ 2336 FALSE), /* pcrel_offset */ 2337 2338 /* Low 16 bits of displacement in global offset table. */ 2339 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2340 0, /* rightshift */ 2341 2, /* size (0 = byte, 1 = short, 2 = long) */ 2342 16, /* bitsize */ 2343 FALSE, /* pc_relative */ 2344 0, /* bitpos */ 2345 complain_overflow_dont, /* complain_on_overflow */ 2346 _bfd_mips_elf_generic_reloc, /* special_function */ 2347 "R_MICROMIPS_GOT_LO16",/* name */ 2348 TRUE, /* partial_inplace */ 2349 0x0000ffff, /* src_mask */ 2350 0x0000ffff, /* dst_mask */ 2351 FALSE), /* pcrel_offset */ 2352 2353 /* 64 bit subtraction. Used in the N32 ABI. */ 2354 HOWTO (R_MICROMIPS_SUB, /* type */ 2355 0, /* rightshift */ 2356 4, /* size (0 = byte, 1 = short, 2 = long) */ 2357 64, /* bitsize */ 2358 FALSE, /* pc_relative */ 2359 0, /* bitpos */ 2360 complain_overflow_dont, /* complain_on_overflow */ 2361 _bfd_mips_elf_generic_reloc, /* special_function */ 2362 "R_MICROMIPS_SUB", /* name */ 2363 TRUE, /* partial_inplace */ 2364 MINUS_ONE, /* src_mask */ 2365 MINUS_ONE, /* dst_mask */ 2366 FALSE), /* pcrel_offset */ 2367 2368 /* We don't support these for REL relocations, because it means building 2369 the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/ 2370 R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering, 2371 using fallable heuristics. */ 2372 EMPTY_HOWTO (R_MICROMIPS_HIGHER), 2373 EMPTY_HOWTO (R_MICROMIPS_HIGHEST), 2374 2375 /* High 16 bits of displacement in global offset table. */ 2376 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2377 0, /* rightshift */ 2378 2, /* size (0 = byte, 1 = short, 2 = long) */ 2379 16, /* bitsize */ 2380 FALSE, /* pc_relative */ 2381 0, /* bitpos */ 2382 complain_overflow_dont, /* complain_on_overflow */ 2383 _bfd_mips_elf_generic_reloc, /* special_function */ 2384 "R_MICROMIPS_CALL_HI16",/* name */ 2385 TRUE, /* partial_inplace */ 2386 0x0000ffff, /* src_mask */ 2387 0x0000ffff, /* dst_mask */ 2388 FALSE), /* pcrel_offset */ 2389 2390 /* Low 16 bits of displacement in global offset table. */ 2391 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2392 0, /* rightshift */ 2393 2, /* size (0 = byte, 1 = short, 2 = long) */ 2394 16, /* bitsize */ 2395 FALSE, /* pc_relative */ 2396 0, /* bitpos */ 2397 complain_overflow_dont, /* complain_on_overflow */ 2398 _bfd_mips_elf_generic_reloc, /* special_function */ 2399 "R_MICROMIPS_CALL_LO16",/* name */ 2400 TRUE, /* partial_inplace */ 2401 0x0000ffff, /* src_mask */ 2402 0x0000ffff, /* dst_mask */ 2403 FALSE), /* pcrel_offset */ 2404 2405 /* Section displacement. */ 2406 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2407 0, /* rightshift */ 2408 2, /* size (0 = byte, 1 = short, 2 = long) */ 2409 32, /* bitsize */ 2410 FALSE, /* pc_relative */ 2411 0, /* bitpos */ 2412 complain_overflow_dont, /* complain_on_overflow */ 2413 _bfd_mips_elf_generic_reloc, /* special_function */ 2414 "R_MICROMIPS_SCN_DISP", /* name */ 2415 TRUE, /* partial_inplace */ 2416 0xffffffff, /* src_mask */ 2417 0xffffffff, /* dst_mask */ 2418 FALSE), /* pcrel_offset */ 2419 2420 /* Protected jump conversion. This is an optimization hint. No 2421 relocation is required for correctness. */ 2422 HOWTO (R_MICROMIPS_JALR, /* type */ 2423 0, /* rightshift */ 2424 2, /* size (0 = byte, 1 = short, 2 = long) */ 2425 32, /* bitsize */ 2426 FALSE, /* pc_relative */ 2427 0, /* bitpos */ 2428 complain_overflow_dont, /* complain_on_overflow */ 2429 _bfd_mips_elf_generic_reloc, /* special_function */ 2430 "R_MICROMIPS_JALR", /* name */ 2431 FALSE, /* partial_inplace */ 2432 0, /* src_mask */ 2433 0x00000000, /* dst_mask */ 2434 FALSE), /* pcrel_offset */ 2435 }; 2436 2437 static reloc_howto_type micromips_elf64_howto_table_rela[] = 2438 { 2439 EMPTY_HOWTO (130), 2440 EMPTY_HOWTO (131), 2441 EMPTY_HOWTO (132), 2442 2443 /* 26 bit jump address. */ 2444 HOWTO (R_MICROMIPS_26_S1, /* type */ 2445 1, /* rightshift */ 2446 2, /* size (0 = byte, 1 = short, 2 = long) */ 2447 26, /* bitsize */ 2448 FALSE, /* pc_relative */ 2449 0, /* bitpos */ 2450 complain_overflow_dont, /* complain_on_overflow */ 2451 /* This needs complex overflow 2452 detection, because the upper four 2453 bits must match the PC. */ 2454 _bfd_mips_elf_generic_reloc, /* special_function */ 2455 "R_MICROMIPS_26_S1", /* name */ 2456 FALSE, /* partial_inplace */ 2457 0, /* src_mask */ 2458 0x3ffffff, /* dst_mask */ 2459 FALSE), /* pcrel_offset */ 2460 2461 /* High 16 bits of symbol value. */ 2462 HOWTO (R_MICROMIPS_HI16, /* type */ 2463 16, /* rightshift */ 2464 2, /* size (0 = byte, 1 = short, 2 = long) */ 2465 16, /* bitsize */ 2466 FALSE, /* pc_relative */ 2467 0, /* bitpos */ 2468 complain_overflow_dont, /* complain_on_overflow */ 2469 _bfd_mips_elf_hi16_reloc, /* special_function */ 2470 "R_MICROMIPS_HI16", /* name */ 2471 FALSE, /* partial_inplace */ 2472 0, /* src_mask */ 2473 0x0000ffff, /* dst_mask */ 2474 FALSE), /* pcrel_offset */ 2475 2476 /* Low 16 bits of symbol value. */ 2477 HOWTO (R_MICROMIPS_LO16, /* type */ 2478 0, /* rightshift */ 2479 2, /* size (0 = byte, 1 = short, 2 = long) */ 2480 16, /* bitsize */ 2481 FALSE, /* pc_relative */ 2482 0, /* bitpos */ 2483 complain_overflow_dont, /* complain_on_overflow */ 2484 _bfd_mips_elf_lo16_reloc, /* special_function */ 2485 "R_MICROMIPS_LO16", /* name */ 2486 FALSE, /* partial_inplace */ 2487 0, /* src_mask */ 2488 0x0000ffff, /* dst_mask */ 2489 FALSE), /* pcrel_offset */ 2490 2491 /* GP relative reference. */ 2492 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2493 0, /* rightshift */ 2494 2, /* size (0 = byte, 1 = short, 2 = long) */ 2495 16, /* bitsize */ 2496 FALSE, /* pc_relative */ 2497 0, /* bitpos */ 2498 complain_overflow_signed, /* complain_on_overflow */ 2499 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2500 "R_MICROMIPS_GPREL16", /* name */ 2501 FALSE, /* partial_inplace */ 2502 0, /* src_mask */ 2503 0x0000ffff, /* dst_mask */ 2504 FALSE), /* pcrel_offset */ 2505 2506 /* Reference to literal section. */ 2507 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2508 0, /* rightshift */ 2509 2, /* size (0 = byte, 1 = short, 2 = long) */ 2510 16, /* bitsize */ 2511 FALSE, /* pc_relative */ 2512 0, /* bitpos */ 2513 complain_overflow_signed, /* complain_on_overflow */ 2514 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2515 "R_MICROMIPS_LITERAL", /* name */ 2516 FALSE, /* partial_inplace */ 2517 0, /* src_mask */ 2518 0x0000ffff, /* dst_mask */ 2519 FALSE), /* pcrel_offset */ 2520 2521 /* Reference to global offset table. */ 2522 HOWTO (R_MICROMIPS_GOT16, /* type */ 2523 0, /* rightshift */ 2524 2, /* size (0 = byte, 1 = short, 2 = long) */ 2525 16, /* bitsize */ 2526 FALSE, /* pc_relative */ 2527 0, /* bitpos */ 2528 complain_overflow_signed, /* complain_on_overflow */ 2529 _bfd_mips_elf_got16_reloc, /* special_function */ 2530 "R_MICROMIPS_GOT16", /* name */ 2531 FALSE, /* partial_inplace */ 2532 0, /* src_mask */ 2533 0x0000ffff, /* dst_mask */ 2534 FALSE), /* pcrel_offset */ 2535 2536 /* This is for microMIPS branches. */ 2537 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2538 1, /* rightshift */ 2539 1, /* size (0 = byte, 1 = short, 2 = long) */ 2540 7, /* bitsize */ 2541 TRUE, /* pc_relative */ 2542 0, /* bitpos */ 2543 complain_overflow_signed, /* complain_on_overflow */ 2544 _bfd_mips_elf_generic_reloc, /* special_function */ 2545 "R_MICROMIPS_PC7_S1", /* name */ 2546 FALSE, /* partial_inplace */ 2547 0, /* src_mask */ 2548 0x0000007f, /* dst_mask */ 2549 TRUE), /* pcrel_offset */ 2550 2551 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2552 1, /* rightshift */ 2553 1, /* size (0 = byte, 1 = short, 2 = long) */ 2554 10, /* bitsize */ 2555 TRUE, /* pc_relative */ 2556 0, /* bitpos */ 2557 complain_overflow_signed, /* complain_on_overflow */ 2558 _bfd_mips_elf_generic_reloc, /* special_function */ 2559 "R_MICROMIPS_PC10_S1", /* name */ 2560 FALSE, /* partial_inplace */ 2561 0, /* src_mask */ 2562 0x000003ff, /* dst_mask */ 2563 TRUE), /* pcrel_offset */ 2564 2565 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2566 1, /* rightshift */ 2567 2, /* size (0 = byte, 1 = short, 2 = long) */ 2568 16, /* bitsize */ 2569 TRUE, /* pc_relative */ 2570 0, /* bitpos */ 2571 complain_overflow_signed, /* complain_on_overflow */ 2572 _bfd_mips_elf_generic_reloc, /* special_function */ 2573 "R_MICROMIPS_PC16_S1", /* name */ 2574 FALSE, /* partial_inplace */ 2575 0, /* src_mask */ 2576 0x0000ffff, /* dst_mask */ 2577 TRUE), /* pcrel_offset */ 2578 2579 /* 16 bit call through global offset table. */ 2580 HOWTO (R_MICROMIPS_CALL16, /* type */ 2581 0, /* rightshift */ 2582 2, /* size (0 = byte, 1 = short, 2 = long) */ 2583 16, /* bitsize */ 2584 FALSE, /* pc_relative */ 2585 0, /* bitpos */ 2586 complain_overflow_signed, /* complain_on_overflow */ 2587 _bfd_mips_elf_generic_reloc, /* special_function */ 2588 "R_MICROMIPS_CALL16", /* name */ 2589 FALSE, /* partial_inplace */ 2590 0, /* src_mask */ 2591 0x0000ffff, /* dst_mask */ 2592 FALSE), /* pcrel_offset */ 2593 2594 EMPTY_HOWTO (143), 2595 EMPTY_HOWTO (144), 2596 2597 /* Displacement in the global offset table. */ 2598 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2599 0, /* rightshift */ 2600 2, /* size (0 = byte, 1 = short, 2 = long) */ 2601 16, /* bitsize */ 2602 FALSE, /* pc_relative */ 2603 0, /* bitpos */ 2604 complain_overflow_signed, /* complain_on_overflow */ 2605 _bfd_mips_elf_generic_reloc, /* special_function */ 2606 "R_MICROMIPS_GOT_DISP",/* name */ 2607 FALSE, /* partial_inplace */ 2608 0, /* src_mask */ 2609 0x0000ffff, /* dst_mask */ 2610 FALSE), /* pcrel_offset */ 2611 2612 /* Displacement to page pointer in the global offset table. */ 2613 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2614 0, /* rightshift */ 2615 2, /* size (0 = byte, 1 = short, 2 = long) */ 2616 16, /* bitsize */ 2617 FALSE, /* pc_relative */ 2618 0, /* bitpos */ 2619 complain_overflow_signed, /* complain_on_overflow */ 2620 _bfd_mips_elf_generic_reloc, /* special_function */ 2621 "R_MICROMIPS_GOT_PAGE",/* name */ 2622 FALSE, /* partial_inplace */ 2623 0, /* src_mask */ 2624 0x0000ffff, /* dst_mask */ 2625 FALSE), /* pcrel_offset */ 2626 2627 /* Offset from page pointer in the global offset table. */ 2628 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2629 0, /* rightshift */ 2630 2, /* size (0 = byte, 1 = short, 2 = long) */ 2631 16, /* bitsize */ 2632 FALSE, /* pc_relative */ 2633 0, /* bitpos */ 2634 complain_overflow_signed, /* complain_on_overflow */ 2635 _bfd_mips_elf_generic_reloc, /* special_function */ 2636 "R_MICROMIPS_GOT_OFST",/* name */ 2637 FALSE, /* partial_inplace */ 2638 0, /* src_mask */ 2639 0x0000ffff, /* dst_mask */ 2640 FALSE), /* pcrel_offset */ 2641 2642 /* High 16 bits of displacement in global offset table. */ 2643 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2644 0, /* rightshift */ 2645 2, /* size (0 = byte, 1 = short, 2 = long) */ 2646 16, /* bitsize */ 2647 FALSE, /* pc_relative */ 2648 0, /* bitpos */ 2649 complain_overflow_dont, /* complain_on_overflow */ 2650 _bfd_mips_elf_generic_reloc, /* special_function */ 2651 "R_MICROMIPS_GOT_HI16",/* name */ 2652 FALSE, /* partial_inplace */ 2653 0, /* src_mask */ 2654 0x0000ffff, /* dst_mask */ 2655 FALSE), /* pcrel_offset */ 2656 2657 /* Low 16 bits of displacement in global offset table. */ 2658 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2659 0, /* rightshift */ 2660 2, /* size (0 = byte, 1 = short, 2 = long) */ 2661 16, /* bitsize */ 2662 FALSE, /* pc_relative */ 2663 0, /* bitpos */ 2664 complain_overflow_dont, /* complain_on_overflow */ 2665 _bfd_mips_elf_generic_reloc, /* special_function */ 2666 "R_MICROMIPS_GOT_LO16",/* name */ 2667 FALSE, /* partial_inplace */ 2668 0, /* src_mask */ 2669 0x0000ffff, /* dst_mask */ 2670 FALSE), /* pcrel_offset */ 2671 2672 /* 64 bit subtraction. Used in the N32 ABI. */ 2673 HOWTO (R_MICROMIPS_SUB, /* type */ 2674 0, /* rightshift */ 2675 4, /* size (0 = byte, 1 = short, 2 = long) */ 2676 64, /* bitsize */ 2677 FALSE, /* pc_relative */ 2678 0, /* bitpos */ 2679 complain_overflow_dont, /* complain_on_overflow */ 2680 _bfd_mips_elf_generic_reloc, /* special_function */ 2681 "R_MICROMIPS_SUB", /* name */ 2682 FALSE, /* partial_inplace */ 2683 0, /* src_mask */ 2684 MINUS_ONE, /* dst_mask */ 2685 FALSE), /* pcrel_offset */ 2686 2687 /* Get the higher value of a 64 bit addend. */ 2688 HOWTO (R_MICROMIPS_HIGHER, /* type */ 2689 0, /* rightshift */ 2690 2, /* size (0 = byte, 1 = short, 2 = long) */ 2691 16, /* bitsize */ 2692 FALSE, /* pc_relative */ 2693 0, /* bitpos */ 2694 complain_overflow_dont, /* complain_on_overflow */ 2695 _bfd_mips_elf_generic_reloc, /* special_function */ 2696 "R_MICROMIPS_HIGHER", /* name */ 2697 FALSE, /* partial_inplace */ 2698 0, /* src_mask */ 2699 0x0000ffff, /* dst_mask */ 2700 FALSE), /* pcrel_offset */ 2701 2702 /* Get the highest value of a 64 bit addend. */ 2703 HOWTO (R_MICROMIPS_HIGHEST, /* type */ 2704 0, /* rightshift */ 2705 2, /* size (0 = byte, 1 = short, 2 = long) */ 2706 16, /* bitsize */ 2707 FALSE, /* pc_relative */ 2708 0, /* bitpos */ 2709 complain_overflow_dont, /* complain_on_overflow */ 2710 _bfd_mips_elf_generic_reloc, /* special_function */ 2711 "R_MICROMIPS_HIGHEST", /* name */ 2712 FALSE, /* partial_inplace */ 2713 0, /* src_mask */ 2714 0x0000ffff, /* dst_mask */ 2715 FALSE), /* pcrel_offset */ 2716 2717 /* High 16 bits of displacement in global offset table. */ 2718 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2719 0, /* rightshift */ 2720 2, /* size (0 = byte, 1 = short, 2 = long) */ 2721 16, /* bitsize */ 2722 FALSE, /* pc_relative */ 2723 0, /* bitpos */ 2724 complain_overflow_dont, /* complain_on_overflow */ 2725 _bfd_mips_elf_generic_reloc, /* special_function */ 2726 "R_MICROMIPS_CALL_HI16",/* name */ 2727 FALSE, /* partial_inplace */ 2728 0, /* src_mask */ 2729 0x0000ffff, /* dst_mask */ 2730 FALSE), /* pcrel_offset */ 2731 2732 /* Low 16 bits of displacement in global offset table. */ 2733 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2734 0, /* rightshift */ 2735 2, /* size (0 = byte, 1 = short, 2 = long) */ 2736 16, /* bitsize */ 2737 FALSE, /* pc_relative */ 2738 0, /* bitpos */ 2739 complain_overflow_dont, /* complain_on_overflow */ 2740 _bfd_mips_elf_generic_reloc, /* special_function */ 2741 "R_MICROMIPS_CALL_LO16",/* name */ 2742 FALSE, /* partial_inplace */ 2743 0, /* src_mask */ 2744 0x0000ffff, /* dst_mask */ 2745 FALSE), /* pcrel_offset */ 2746 2747 /* Section displacement. */ 2748 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2749 0, /* rightshift */ 2750 2, /* size (0 = byte, 1 = short, 2 = long) */ 2751 32, /* bitsize */ 2752 FALSE, /* pc_relative */ 2753 0, /* bitpos */ 2754 complain_overflow_dont, /* complain_on_overflow */ 2755 _bfd_mips_elf_generic_reloc, /* special_function */ 2756 "R_MICROMIPS_SCN_DISP", /* name */ 2757 FALSE, /* partial_inplace */ 2758 0, /* src_mask */ 2759 0xffffffff, /* dst_mask */ 2760 FALSE), /* pcrel_offset */ 2761 2762 /* Protected jump conversion. This is an optimization hint. No 2763 relocation is required for correctness. */ 2764 HOWTO (R_MICROMIPS_JALR, /* type */ 2765 0, /* rightshift */ 2766 2, /* size (0 = byte, 1 = short, 2 = long) */ 2767 32, /* bitsize */ 2768 FALSE, /* pc_relative */ 2769 0, /* bitpos */ 2770 complain_overflow_dont, /* complain_on_overflow */ 2771 _bfd_mips_elf_generic_reloc, /* special_function */ 2772 "R_MICROMIPS_JALR", /* name */ 2773 FALSE, /* partial_inplace */ 2774 0, /* src_mask */ 2775 0x00000000, /* dst_mask */ 2776 FALSE), /* pcrel_offset */ 2777 }; 2778 2779 /* GNU extension to record C++ vtable hierarchy */ 2780 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 2781 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 2782 0, /* rightshift */ 2783 2, /* size (0 = byte, 1 = short, 2 = long) */ 2784 0, /* bitsize */ 2785 FALSE, /* pc_relative */ 2786 0, /* bitpos */ 2787 complain_overflow_dont, /* complain_on_overflow */ 2788 NULL, /* special_function */ 2789 "R_MIPS_GNU_VTINHERIT", /* name */ 2790 FALSE, /* partial_inplace */ 2791 0, /* src_mask */ 2792 0, /* dst_mask */ 2793 FALSE); /* pcrel_offset */ 2794 2795 /* GNU extension to record C++ vtable member usage */ 2796 static reloc_howto_type elf_mips_gnu_vtentry_howto = 2797 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 2798 0, /* rightshift */ 2799 2, /* size (0 = byte, 1 = short, 2 = long) */ 2800 0, /* bitsize */ 2801 FALSE, /* pc_relative */ 2802 0, /* bitpos */ 2803 complain_overflow_dont, /* complain_on_overflow */ 2804 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 2805 "R_MIPS_GNU_VTENTRY", /* name */ 2806 FALSE, /* partial_inplace */ 2807 0, /* src_mask */ 2808 0, /* dst_mask */ 2809 FALSE); /* pcrel_offset */ 2810 2811 /* 16 bit offset for pc-relative branches. */ 2813 static reloc_howto_type elf_mips_gnu_rel16_s2 = 2814 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2815 2, /* rightshift */ 2816 2, /* size (0 = byte, 1 = short, 2 = long) */ 2817 16, /* bitsize */ 2818 TRUE, /* pc_relative */ 2819 0, /* bitpos */ 2820 complain_overflow_signed, /* complain_on_overflow */ 2821 _bfd_mips_elf_generic_reloc, /* special_function */ 2822 "R_MIPS_GNU_REL16_S2", /* name */ 2823 TRUE, /* partial_inplace */ 2824 0x0000ffff, /* src_mask */ 2825 0x0000ffff, /* dst_mask */ 2826 TRUE); /* pcrel_offset */ 2827 2828 /* 16 bit offset for pc-relative branches. */ 2829 static reloc_howto_type elf_mips_gnu_rela16_s2 = 2830 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2831 2, /* rightshift */ 2832 2, /* size (0 = byte, 1 = short, 2 = long) */ 2833 16, /* bitsize */ 2834 TRUE, /* pc_relative */ 2835 0, /* bitpos */ 2836 complain_overflow_signed, /* complain_on_overflow */ 2837 _bfd_mips_elf_generic_reloc, /* special_function */ 2838 "R_MIPS_GNU_REL16_S2", /* name */ 2839 FALSE, /* partial_inplace */ 2840 0, /* src_mask */ 2841 0x0000ffff, /* dst_mask */ 2842 TRUE); /* pcrel_offset */ 2843 2844 /* 32 bit pc-relative. Used for compact EH tables. */ 2845 static reloc_howto_type elf_mips_gnu_pcrel32 = 2846 HOWTO (R_MIPS_PC32, /* type */ 2847 0, /* rightshift */ 2848 2, /* size (0 = byte, 1 = short, 2 = long) */ 2849 32, /* bitsize */ 2850 TRUE, /* pc_relative */ 2851 0, /* bitpos */ 2852 complain_overflow_signed, /* complain_on_overflow */ 2853 _bfd_mips_elf_generic_reloc, /* special_function */ 2854 "R_MIPS_PC32", /* name */ 2855 TRUE, /* partial_inplace */ 2856 0xffffffff, /* src_mask */ 2857 0xffffffff, /* dst_mask */ 2858 TRUE); /* pcrel_offset */ 2859 2860 2861 /* Originally a VxWorks extension, but now used for other systems too. */ 2863 static reloc_howto_type elf_mips_copy_howto = 2864 HOWTO (R_MIPS_COPY, /* type */ 2865 0, /* rightshift */ 2866 0, /* this one is variable size */ 2867 0, /* bitsize */ 2868 FALSE, /* pc_relative */ 2869 0, /* bitpos */ 2870 complain_overflow_bitfield, /* complain_on_overflow */ 2871 _bfd_mips_elf_generic_reloc, /* special_function */ 2872 "R_MIPS_COPY", /* name */ 2873 FALSE, /* partial_inplace */ 2874 0x0, /* src_mask */ 2875 0x0, /* dst_mask */ 2876 FALSE); /* pcrel_offset */ 2877 2878 /* Originally a VxWorks extension, but now used for other systems too. */ 2879 static reloc_howto_type elf_mips_jump_slot_howto = 2880 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 2881 0, /* rightshift */ 2882 4, /* size (0 = byte, 1 = short, 2 = long) */ 2883 64, /* bitsize */ 2884 FALSE, /* pc_relative */ 2885 0, /* bitpos */ 2886 complain_overflow_bitfield, /* complain_on_overflow */ 2887 _bfd_mips_elf_generic_reloc, /* special_function */ 2888 "R_MIPS_JUMP_SLOT", /* name */ 2889 FALSE, /* partial_inplace */ 2890 0x0, /* src_mask */ 2891 0x0, /* dst_mask */ 2892 FALSE); /* pcrel_offset */ 2893 2894 /* Used in EH tables. */ 2895 static reloc_howto_type elf_mips_eh_howto = 2896 HOWTO (R_MIPS_EH, /* type */ 2897 0, /* rightshift */ 2898 2, /* size (0 = byte, 1 = short, 2 = long) */ 2899 32, /* bitsize */ 2900 FALSE, /* pc_relative */ 2901 0, /* bitpos */ 2902 complain_overflow_signed, /* complain_on_overflow */ 2903 _bfd_mips_elf_generic_reloc, /* special_function */ 2904 "R_MIPS_EH", /* name */ 2905 TRUE, /* partial_inplace */ 2906 0xffffffff, /* src_mask */ 2907 0xffffffff, /* dst_mask */ 2908 FALSE); /* pcrel_offset */ 2909 2910 2911 /* Swap in a MIPS 64-bit Rel reloc. */ 2913 2914 static void 2915 mips_elf64_swap_reloc_in (bfd *abfd, const Elf64_Mips_External_Rel *src, 2916 Elf64_Mips_Internal_Rela *dst) 2917 { 2918 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2919 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2920 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2921 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2922 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2923 dst->r_type = H_GET_8 (abfd, src->r_type); 2924 dst->r_addend = 0; 2925 } 2926 2927 /* Swap in a MIPS 64-bit Rela reloc. */ 2928 2929 static void 2930 mips_elf64_swap_reloca_in (bfd *abfd, const Elf64_Mips_External_Rela *src, 2931 Elf64_Mips_Internal_Rela *dst) 2932 { 2933 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2934 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2935 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2936 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2937 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2938 dst->r_type = H_GET_8 (abfd, src->r_type); 2939 dst->r_addend = H_GET_S64 (abfd, src->r_addend); 2940 } 2941 2942 /* Swap out a MIPS 64-bit Rel reloc. */ 2943 2944 static void 2945 mips_elf64_swap_reloc_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2946 Elf64_Mips_External_Rel *dst) 2947 { 2948 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2949 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2950 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2951 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2952 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2953 H_PUT_8 (abfd, src->r_type, dst->r_type); 2954 } 2955 2956 /* Swap out a MIPS 64-bit Rela reloc. */ 2957 2958 static void 2959 mips_elf64_swap_reloca_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2960 Elf64_Mips_External_Rela *dst) 2961 { 2962 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2963 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2964 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2965 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2966 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2967 H_PUT_8 (abfd, src->r_type, dst->r_type); 2968 H_PUT_S64 (abfd, src->r_addend, dst->r_addend); 2969 } 2970 2971 /* Swap in a MIPS 64-bit Rel reloc. */ 2972 2973 static void 2974 mips_elf64_be_swap_reloc_in (bfd *abfd, const bfd_byte *src, 2975 Elf_Internal_Rela *dst) 2976 { 2977 Elf64_Mips_Internal_Rela mirel; 2978 2979 mips_elf64_swap_reloc_in (abfd, 2980 (const Elf64_Mips_External_Rel *) src, 2981 &mirel); 2982 2983 dst[0].r_offset = mirel.r_offset; 2984 dst[0].r_info = ELF64_R_INFO (mirel.r_sym, mirel.r_type); 2985 dst[0].r_addend = 0; 2986 dst[1].r_offset = mirel.r_offset; 2987 dst[1].r_info = ELF64_R_INFO (mirel.r_ssym, mirel.r_type2); 2988 dst[1].r_addend = 0; 2989 dst[2].r_offset = mirel.r_offset; 2990 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirel.r_type3); 2991 dst[2].r_addend = 0; 2992 } 2993 2994 /* Swap in a MIPS 64-bit Rela reloc. */ 2995 2996 static void 2997 mips_elf64_be_swap_reloca_in (bfd *abfd, const bfd_byte *src, 2998 Elf_Internal_Rela *dst) 2999 { 3000 Elf64_Mips_Internal_Rela mirela; 3001 3002 mips_elf64_swap_reloca_in (abfd, 3003 (const Elf64_Mips_External_Rela *) src, 3004 &mirela); 3005 3006 dst[0].r_offset = mirela.r_offset; 3007 dst[0].r_info = ELF64_R_INFO (mirela.r_sym, mirela.r_type); 3008 dst[0].r_addend = mirela.r_addend; 3009 dst[1].r_offset = mirela.r_offset; 3010 dst[1].r_info = ELF64_R_INFO (mirela.r_ssym, mirela.r_type2); 3011 dst[1].r_addend = 0; 3012 dst[2].r_offset = mirela.r_offset; 3013 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirela.r_type3); 3014 dst[2].r_addend = 0; 3015 } 3016 3017 /* Swap out a MIPS 64-bit Rel reloc. */ 3018 3019 static void 3020 mips_elf64_be_swap_reloc_out (bfd *abfd, const Elf_Internal_Rela *src, 3021 bfd_byte *dst) 3022 { 3023 Elf64_Mips_Internal_Rela mirel; 3024 3025 mirel.r_offset = src[0].r_offset; 3026 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3027 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3028 3029 mirel.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3030 mirel.r_sym = ELF64_R_SYM (src[0].r_info); 3031 mirel.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3032 mirel.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3033 mirel.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3034 3035 mips_elf64_swap_reloc_out (abfd, &mirel, 3036 (Elf64_Mips_External_Rel *) dst); 3037 } 3038 3039 /* Swap out a MIPS 64-bit Rela reloc. */ 3040 3041 static void 3042 mips_elf64_be_swap_reloca_out (bfd *abfd, const Elf_Internal_Rela *src, 3043 bfd_byte *dst) 3044 { 3045 Elf64_Mips_Internal_Rela mirela; 3046 3047 mirela.r_offset = src[0].r_offset; 3048 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3049 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3050 3051 mirela.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3052 mirela.r_sym = ELF64_R_SYM (src[0].r_info); 3053 mirela.r_addend = src[0].r_addend; 3054 BFD_ASSERT(src[1].r_addend == 0); 3055 BFD_ASSERT(src[2].r_addend == 0); 3056 3057 mirela.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3058 mirela.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3059 mirela.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3060 3061 mips_elf64_swap_reloca_out (abfd, &mirela, 3062 (Elf64_Mips_External_Rela *) dst); 3063 } 3064 3065 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 3067 dangerous relocation. */ 3068 3069 static bfd_boolean 3070 mips_elf64_assign_gp (bfd *output_bfd, bfd_vma *pgp) 3071 { 3072 unsigned int count; 3073 asymbol **sym; 3074 unsigned int i; 3075 3076 /* If we've already figured out what GP will be, just return it. */ 3077 *pgp = _bfd_get_gp_value (output_bfd); 3078 if (*pgp) 3079 return TRUE; 3080 3081 count = bfd_get_symcount (output_bfd); 3082 sym = bfd_get_outsymbols (output_bfd); 3083 3084 /* The linker script will have created a symbol named `_gp' with the 3085 appropriate value. */ 3086 if (sym == NULL) 3087 i = count; 3088 else 3089 { 3090 for (i = 0; i < count; i++, sym++) 3091 { 3092 register const char *name; 3093 3094 name = bfd_asymbol_name (*sym); 3095 if (*name == '_' && strcmp (name, "_gp") == 0) 3096 { 3097 *pgp = bfd_asymbol_value (*sym); 3098 _bfd_set_gp_value (output_bfd, *pgp); 3099 break; 3100 } 3101 } 3102 } 3103 3104 if (i >= count) 3105 { 3106 /* Only get the error once. */ 3107 *pgp = 4; 3108 _bfd_set_gp_value (output_bfd, *pgp); 3109 return FALSE; 3110 } 3111 3112 return TRUE; 3113 } 3114 3115 /* We have to figure out the gp value, so that we can adjust the 3116 symbol value correctly. We look up the symbol _gp in the output 3117 BFD. If we can't find it, we're stuck. We cache it in the ELF 3118 target data. We don't need to adjust the symbol value for an 3119 external symbol if we are producing relocatable output. */ 3120 3121 static bfd_reloc_status_type 3122 mips_elf64_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 3123 char **error_message, bfd_vma *pgp) 3124 { 3125 if (bfd_is_und_section (symbol->section) 3126 && ! relocatable) 3127 { 3128 *pgp = 0; 3129 return bfd_reloc_undefined; 3130 } 3131 3132 *pgp = _bfd_get_gp_value (output_bfd); 3133 if (*pgp == 0 3134 && (! relocatable 3135 || (symbol->flags & BSF_SECTION_SYM) != 0)) 3136 { 3137 if (relocatable) 3138 { 3139 /* Make up a value. */ 3140 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 3141 _bfd_set_gp_value (output_bfd, *pgp); 3142 } 3143 else if (!mips_elf64_assign_gp (output_bfd, pgp)) 3144 { 3145 *error_message = 3146 (char *) _("GP relative relocation when _gp not defined"); 3147 return bfd_reloc_dangerous; 3148 } 3149 } 3150 3151 return bfd_reloc_ok; 3152 } 3153 3154 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 3155 become the offset from the gp register. */ 3156 3157 static bfd_reloc_status_type 3158 mips_elf64_gprel16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3159 void *data, asection *input_section, bfd *output_bfd, 3160 char **error_message) 3161 { 3162 bfd_boolean relocatable; 3163 bfd_reloc_status_type ret; 3164 bfd_vma gp; 3165 3166 /* If we're relocating, and this is an external symbol, we don't want 3167 to change anything. */ 3168 if (output_bfd != NULL 3169 && (symbol->flags & BSF_SECTION_SYM) == 0 3170 && (symbol->flags & BSF_LOCAL) != 0) 3171 { 3172 reloc_entry->address += input_section->output_offset; 3173 return bfd_reloc_ok; 3174 } 3175 3176 if (output_bfd != NULL) 3177 relocatable = TRUE; 3178 else 3179 { 3180 relocatable = FALSE; 3181 output_bfd = symbol->section->output_section->owner; 3182 } 3183 3184 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3185 &gp); 3186 if (ret != bfd_reloc_ok) 3187 return ret; 3188 3189 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3190 input_section, relocatable, 3191 data, gp); 3192 } 3193 3194 /* Do a R_MIPS_LITERAL relocation. */ 3195 3196 static bfd_reloc_status_type 3197 mips_elf64_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3198 void *data, asection *input_section, bfd *output_bfd, 3199 char **error_message) 3200 { 3201 bfd_boolean relocatable; 3202 bfd_reloc_status_type ret; 3203 bfd_vma gp; 3204 3205 /* R_MIPS_LITERAL relocations are defined for local symbols only. */ 3206 if (output_bfd != NULL 3207 && (symbol->flags & BSF_SECTION_SYM) == 0 3208 && (symbol->flags & BSF_LOCAL) != 0) 3209 { 3210 *error_message = (char *) 3211 _("literal relocation occurs for an external symbol"); 3212 return bfd_reloc_outofrange; 3213 } 3214 3215 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ 3216 if (output_bfd != NULL) 3217 relocatable = TRUE; 3218 else 3219 { 3220 relocatable = FALSE; 3221 output_bfd = symbol->section->output_section->owner; 3222 } 3223 3224 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3225 &gp); 3226 if (ret != bfd_reloc_ok) 3227 return ret; 3228 3229 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3230 input_section, relocatable, 3231 data, gp); 3232 } 3233 3234 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 3235 become the offset from the gp register. */ 3236 3237 static bfd_reloc_status_type 3238 mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3239 void *data, asection *input_section, bfd *output_bfd, 3240 char **error_message) 3241 { 3242 bfd_boolean relocatable; 3243 bfd_reloc_status_type ret; 3244 bfd_vma gp; 3245 bfd_vma relocation; 3246 bfd_vma val; 3247 3248 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 3249 if (output_bfd != NULL 3250 && (symbol->flags & BSF_SECTION_SYM) == 0 3251 && (symbol->flags & BSF_LOCAL) != 0) 3252 { 3253 *error_message = (char *) 3254 _("32bits gp relative relocation occurs for an external symbol"); 3255 return bfd_reloc_outofrange; 3256 } 3257 3258 if (output_bfd != NULL) 3259 relocatable = TRUE; 3260 else 3261 { 3262 relocatable = FALSE; 3263 output_bfd = symbol->section->output_section->owner; 3264 } 3265 3266 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, 3267 error_message, &gp); 3268 if (ret != bfd_reloc_ok) 3269 return ret; 3270 3271 if (bfd_is_com_section (symbol->section)) 3272 relocation = 0; 3273 else 3274 relocation = symbol->value; 3275 3276 relocation += symbol->section->output_section->vma; 3277 relocation += symbol->section->output_offset; 3278 3279 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 3280 return bfd_reloc_outofrange; 3281 3282 /* Set val to the offset into the section or symbol. */ 3283 val = reloc_entry->addend; 3284 3285 if (reloc_entry->howto->partial_inplace) 3286 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 3287 3288 /* Adjust val for the final section location and GP value. If we 3289 are producing relocatable output, we don't want to do this for 3290 an external symbol. */ 3291 if (! relocatable 3292 || (symbol->flags & BSF_SECTION_SYM) != 0) 3293 val += relocation - gp; 3294 3295 if (reloc_entry->howto->partial_inplace) 3296 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 3297 else 3298 reloc_entry->addend = val; 3299 3300 if (relocatable) 3301 reloc_entry->address += input_section->output_offset; 3302 3303 return bfd_reloc_ok; 3304 } 3305 3306 /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, 3307 the rest is at bits 6-10. The bitpos already got right by the howto. */ 3308 3309 static bfd_reloc_status_type 3310 mips_elf64_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3311 void *data, asection *input_section, bfd *output_bfd, 3312 char **error_message) 3313 { 3314 if (reloc_entry->howto->partial_inplace) 3315 { 3316 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) 3317 | (reloc_entry->addend & 0x00000800) >> 9); 3318 } 3319 3320 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, 3321 input_section, output_bfd, 3322 error_message); 3323 } 3324 3325 /* Handle a mips16 GP relative reloc. */ 3326 3327 static bfd_reloc_status_type 3328 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3329 void *data, asection *input_section, bfd *output_bfd, 3330 char **error_message) 3331 { 3332 bfd_boolean relocatable; 3333 bfd_reloc_status_type ret; 3334 bfd_byte *location; 3335 bfd_vma gp; 3336 3337 /* If we're relocating, and this is an external symbol, we don't want 3338 to change anything. */ 3339 if (output_bfd != NULL 3340 && (symbol->flags & BSF_SECTION_SYM) == 0 3341 && (symbol->flags & BSF_LOCAL) != 0) 3342 { 3343 reloc_entry->address += input_section->output_offset; 3344 return bfd_reloc_ok; 3345 } 3346 3347 if (output_bfd != NULL) 3348 relocatable = TRUE; 3349 else 3350 { 3351 relocatable = FALSE; 3352 output_bfd = symbol->section->output_section->owner; 3353 } 3354 3355 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3356 &gp); 3357 if (ret != bfd_reloc_ok) 3358 return ret; 3359 3360 location = (bfd_byte *) data + reloc_entry->address; 3361 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 3362 location); 3363 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3364 input_section, relocatable, 3365 data, gp); 3366 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 3367 location); 3368 3369 return ret; 3370 } 3371 3372 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 3374 3375 struct elf_reloc_map { 3376 bfd_reloc_code_real_type bfd_val; 3377 enum elf_mips_reloc_type elf_val; 3378 }; 3379 3380 static const struct elf_reloc_map mips_reloc_map[] = 3381 { 3382 { BFD_RELOC_NONE, R_MIPS_NONE }, 3383 { BFD_RELOC_16, R_MIPS_16 }, 3384 { BFD_RELOC_32, R_MIPS_32 }, 3385 /* There is no BFD reloc for R_MIPS_REL32. */ 3386 { BFD_RELOC_64, R_MIPS_64 }, 3387 { BFD_RELOC_CTOR, R_MIPS_64 }, 3388 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 3389 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 3390 { BFD_RELOC_LO16, R_MIPS_LO16 }, 3391 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 3392 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 3393 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 3394 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 3395 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 3396 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 3397 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, 3398 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, 3399 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 3400 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 3401 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 3402 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 3403 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 3404 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 3405 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, 3406 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, 3407 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, 3408 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, 3409 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, 3410 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 3411 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 3412 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, 3413 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, 3414 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ 3415 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, 3416 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 3417 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 3418 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 3419 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 3420 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 3421 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 3422 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 3423 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 3424 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 3425 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 3426 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 3427 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 3428 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 3429 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 3430 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 3431 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 3432 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 3433 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 3434 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 3435 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 3436 }; 3437 3438 static const struct elf_reloc_map mips16_reloc_map[] = 3439 { 3440 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 3441 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 3442 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 3443 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 3444 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 3445 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 3446 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 3447 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 3448 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 3449 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 3450 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 3451 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 3452 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 3453 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 3454 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, 3455 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } 3456 }; 3457 3458 static const struct elf_reloc_map micromips_reloc_map[] = 3459 { 3460 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 3461 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 3462 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 3463 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 3464 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 3465 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 3466 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 3467 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 3468 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 3469 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 3470 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 3471 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 3472 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 3473 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 3474 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 3475 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 3476 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 3477 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 3478 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 3479 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 3480 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 3481 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 3482 }; 3483 /* Given a BFD reloc type, return a howto structure. */ 3484 3485 static reloc_howto_type * 3486 bfd_elf64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3487 bfd_reloc_code_real_type code) 3488 { 3489 unsigned int i; 3490 /* FIXME: We default to RELA here instead of choosing the right 3491 relocation variant. */ 3492 reloc_howto_type *howto_table = mips_elf64_howto_table_rela; 3493 reloc_howto_type *howto16_table = mips16_elf64_howto_table_rela; 3494 reloc_howto_type *howto_micromips_table = micromips_elf64_howto_table_rela; 3495 3496 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 3497 i++) 3498 { 3499 if (mips_reloc_map[i].bfd_val == code) 3500 return &howto_table[(int) mips_reloc_map[i].elf_val]; 3501 } 3502 3503 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 3504 i++) 3505 { 3506 if (mips16_reloc_map[i].bfd_val == code) 3507 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 3508 } 3509 3510 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 3511 i++) 3512 { 3513 if (micromips_reloc_map[i].bfd_val == code) 3514 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 3515 } 3516 3517 switch (code) 3518 { 3519 case BFD_RELOC_VTABLE_INHERIT: 3520 return &elf_mips_gnu_vtinherit_howto; 3521 case BFD_RELOC_VTABLE_ENTRY: 3522 return &elf_mips_gnu_vtentry_howto; 3523 case BFD_RELOC_32_PCREL: 3524 return &elf_mips_gnu_pcrel32; 3525 case BFD_RELOC_MIPS_EH: 3526 return &elf_mips_eh_howto; 3527 case BFD_RELOC_MIPS_COPY: 3528 return &elf_mips_copy_howto; 3529 case BFD_RELOC_MIPS_JUMP_SLOT: 3530 return &elf_mips_jump_slot_howto; 3531 default: 3532 bfd_set_error (bfd_error_bad_value); 3533 return NULL; 3534 } 3535 } 3536 3537 static reloc_howto_type * 3538 bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3539 const char *r_name) 3540 { 3541 unsigned int i; 3542 3543 for (i = 0; 3544 i < (sizeof (mips_elf64_howto_table_rela) 3545 / sizeof (mips_elf64_howto_table_rela[0])); i++) 3546 if (mips_elf64_howto_table_rela[i].name != NULL 3547 && strcasecmp (mips_elf64_howto_table_rela[i].name, r_name) == 0) 3548 return &mips_elf64_howto_table_rela[i]; 3549 3550 for (i = 0; 3551 i < (sizeof (mips16_elf64_howto_table_rela) 3552 / sizeof (mips16_elf64_howto_table_rela[0])); 3553 i++) 3554 if (mips16_elf64_howto_table_rela[i].name != NULL 3555 && strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0) 3556 return &mips16_elf64_howto_table_rela[i]; 3557 3558 for (i = 0; 3559 i < (sizeof (micromips_elf64_howto_table_rela) 3560 / sizeof (micromips_elf64_howto_table_rela[0])); 3561 i++) 3562 if (micromips_elf64_howto_table_rela[i].name != NULL 3563 && strcasecmp (micromips_elf64_howto_table_rela[i].name, r_name) == 0) 3564 return µmips_elf64_howto_table_rela[i]; 3565 3566 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 3567 return &elf_mips_gnu_vtinherit_howto; 3568 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 3569 return &elf_mips_gnu_vtentry_howto; 3570 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 3571 return &elf_mips_gnu_rel16_s2; 3572 if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0) 3573 return &elf_mips_gnu_rela16_s2; 3574 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 3575 return &elf_mips_gnu_pcrel32; 3576 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 3577 return &elf_mips_eh_howto; 3578 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 3579 return &elf_mips_copy_howto; 3580 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 3581 return &elf_mips_jump_slot_howto; 3582 3583 return NULL; 3584 } 3585 3586 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 3587 3588 static reloc_howto_type * 3589 mips_elf64_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) 3590 { 3591 switch (r_type) 3592 { 3593 case R_MIPS_GNU_VTINHERIT: 3594 return &elf_mips_gnu_vtinherit_howto; 3595 case R_MIPS_GNU_VTENTRY: 3596 return &elf_mips_gnu_vtentry_howto; 3597 case R_MIPS_GNU_REL16_S2: 3598 if (rela_p) 3599 return &elf_mips_gnu_rela16_s2; 3600 else 3601 return &elf_mips_gnu_rel16_s2; 3602 case R_MIPS_PC32: 3603 return &elf_mips_gnu_pcrel32; 3604 case R_MIPS_EH: 3605 return &elf_mips_eh_howto; 3606 case R_MIPS_COPY: 3607 return &elf_mips_copy_howto; 3608 case R_MIPS_JUMP_SLOT: 3609 return &elf_mips_jump_slot_howto; 3610 default: 3611 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 3612 { 3613 if (rela_p) 3614 return µmips_elf64_howto_table_rela[r_type - R_MICROMIPS_min]; 3615 else 3616 return µmips_elf64_howto_table_rel[r_type - R_MICROMIPS_min]; 3617 } 3618 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 3619 { 3620 if (rela_p) 3621 return &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min]; 3622 else 3623 return &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min]; 3624 } 3625 if (r_type >= R_MIPS_max) 3626 { 3627 (*_bfd_error_handler) (_("unrecognised MIPS reloc number: %d"), r_type); 3628 bfd_set_error (bfd_error_bad_value); 3629 r_type = R_MIPS_NONE; 3630 } 3631 if (rela_p) 3632 return &mips_elf64_howto_table_rela[r_type]; 3633 else 3634 return &mips_elf64_howto_table_rel[r_type]; 3635 break; 3636 } 3637 } 3638 3639 /* Prevent relocation handling by bfd for MIPS ELF64. */ 3640 3641 static void 3642 mips_elf64_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, 3643 arelent *cache_ptr ATTRIBUTE_UNUSED, 3644 Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) 3645 { 3646 BFD_ASSERT (0); 3647 } 3648 3649 static void 3650 mips_elf64_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, 3651 arelent *cache_ptr ATTRIBUTE_UNUSED, 3652 Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) 3653 { 3654 BFD_ASSERT (0); 3655 } 3656 3657 /* Since each entry in an SHT_REL or SHT_RELA section can represent up 3658 to three relocs, we must tell the user to allocate more space. */ 3659 3660 static long 3661 mips_elf64_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) 3662 { 3663 return (sec->reloc_count * 3 + 1) * sizeof (arelent *); 3664 } 3665 3666 static long 3667 mips_elf64_get_dynamic_reloc_upper_bound (bfd *abfd) 3668 { 3669 return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 3; 3670 } 3671 3672 /* We must also copy more relocations than the corresponding functions 3673 in elf.c would, so the two following functions are slightly 3674 modified from elf.c, that multiply the external relocation count by 3675 3 to obtain the internal relocation count. */ 3676 3677 static long 3678 mips_elf64_canonicalize_reloc (bfd *abfd, sec_ptr section, 3679 arelent **relptr, asymbol **symbols) 3680 { 3681 arelent *tblptr; 3682 unsigned int i; 3683 const struct elf_backend_data *bed = get_elf_backend_data (abfd); 3684 3685 if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) 3686 return -1; 3687 3688 tblptr = section->relocation; 3689 for (i = 0; i < section->reloc_count * 3; i++) 3690 *relptr++ = tblptr++; 3691 3692 *relptr = NULL; 3693 3694 return section->reloc_count * 3; 3695 } 3696 3697 static long 3698 mips_elf64_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, 3699 asymbol **syms) 3700 { 3701 bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean); 3702 asection *s; 3703 long ret; 3704 3705 if (elf_dynsymtab (abfd) == 0) 3706 { 3707 bfd_set_error (bfd_error_invalid_operation); 3708 return -1; 3709 } 3710 3711 slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; 3712 ret = 0; 3713 for (s = abfd->sections; s != NULL; s = s->next) 3714 { 3715 if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) 3716 && (elf_section_data (s)->this_hdr.sh_type == SHT_REL 3717 || elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) 3718 { 3719 arelent *p; 3720 long count, i; 3721 3722 if (! (*slurp_relocs) (abfd, s, syms, TRUE)) 3723 return -1; 3724 count = s->size / elf_section_data (s)->this_hdr.sh_entsize * 3; 3725 p = s->relocation; 3726 for (i = 0; i < count; i++) 3727 *storage++ = p++; 3728 ret += count; 3729 } 3730 } 3731 3732 *storage = NULL; 3733 3734 return ret; 3735 } 3736 3737 /* Read the relocations from one reloc section. This is mostly copied 3738 from elfcode.h, except for the changes to expand one external 3739 relocation to 3 internal ones. We must unfortunately set 3740 reloc_count to the number of external relocations, because a lot of 3741 generic code seems to depend on this. */ 3742 3743 static bfd_boolean 3744 mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect, 3745 Elf_Internal_Shdr *rel_hdr, 3746 bfd_size_type reloc_count, 3747 arelent *relents, asymbol **symbols, 3748 bfd_boolean dynamic) 3749 { 3750 void *allocated; 3751 bfd_byte *native_relocs; 3752 arelent *relent; 3753 bfd_vma i; 3754 int entsize; 3755 bfd_boolean rela_p; 3756 3757 allocated = bfd_malloc (rel_hdr->sh_size); 3758 if (allocated == NULL) 3759 return FALSE; 3760 3761 if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 3762 || (bfd_bread (allocated, rel_hdr->sh_size, abfd) 3763 != rel_hdr->sh_size)) 3764 goto error_return; 3765 3766 native_relocs = allocated; 3767 3768 entsize = rel_hdr->sh_entsize; 3769 BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) 3770 || entsize == sizeof (Elf64_Mips_External_Rela)); 3771 3772 if (entsize == sizeof (Elf64_Mips_External_Rel)) 3773 rela_p = FALSE; 3774 else 3775 rela_p = TRUE; 3776 3777 for (i = 0, relent = relents; 3778 i < reloc_count; 3779 i++, native_relocs += entsize) 3780 { 3781 Elf64_Mips_Internal_Rela rela; 3782 bfd_boolean used_sym, used_ssym; 3783 int ir; 3784 3785 if (entsize == sizeof (Elf64_Mips_External_Rela)) 3786 mips_elf64_swap_reloca_in (abfd, 3787 (Elf64_Mips_External_Rela *) native_relocs, 3788 &rela); 3789 else 3790 mips_elf64_swap_reloc_in (abfd, 3791 (Elf64_Mips_External_Rel *) native_relocs, 3792 &rela); 3793 3794 /* Each entry represents exactly three actual relocations. */ 3795 3796 used_sym = FALSE; 3797 used_ssym = FALSE; 3798 for (ir = 0; ir < 3; ir++) 3799 { 3800 enum elf_mips_reloc_type type; 3801 3802 switch (ir) 3803 { 3804 default: 3805 abort (); 3806 case 0: 3807 type = (enum elf_mips_reloc_type) rela.r_type; 3808 break; 3809 case 1: 3810 type = (enum elf_mips_reloc_type) rela.r_type2; 3811 break; 3812 case 2: 3813 type = (enum elf_mips_reloc_type) rela.r_type3; 3814 break; 3815 } 3816 3817 /* Some types require symbols, whereas some do not. */ 3818 switch (type) 3819 { 3820 case R_MIPS_NONE: 3821 case R_MIPS_LITERAL: 3822 case R_MIPS_INSERT_A: 3823 case R_MIPS_INSERT_B: 3824 case R_MIPS_DELETE: 3825 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3826 break; 3827 3828 default: 3829 if (! used_sym) 3830 { 3831 if (rela.r_sym == STN_UNDEF) 3832 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3833 else 3834 { 3835 asymbol **ps, *s; 3836 3837 ps = symbols + rela.r_sym - 1; 3838 s = *ps; 3839 if ((s->flags & BSF_SECTION_SYM) == 0) 3840 relent->sym_ptr_ptr = ps; 3841 else 3842 relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; 3843 } 3844 3845 used_sym = TRUE; 3846 } 3847 else if (! used_ssym) 3848 { 3849 switch (rela.r_ssym) 3850 { 3851 case RSS_UNDEF: 3852 relent->sym_ptr_ptr = 3853 bfd_abs_section_ptr->symbol_ptr_ptr; 3854 break; 3855 3856 case RSS_GP: 3857 case RSS_GP0: 3858 case RSS_LOC: 3859 /* FIXME: I think these need to be handled using 3860 special howto structures. */ 3861 BFD_ASSERT (0); 3862 break; 3863 3864 default: 3865 BFD_ASSERT (0); 3866 break; 3867 } 3868 3869 used_ssym = TRUE; 3870 } 3871 else 3872 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3873 3874 break; 3875 } 3876 3877 /* The address of an ELF reloc is section relative for an 3878 object file, and absolute for an executable file or 3879 shared library. The address of a BFD reloc is always 3880 section relative. */ 3881 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) 3882 relent->address = rela.r_offset; 3883 else 3884 relent->address = rela.r_offset - asect->vma; 3885 3886 relent->addend = rela.r_addend; 3887 3888 relent->howto = mips_elf64_rtype_to_howto (type, rela_p); 3889 3890 ++relent; 3891 } 3892 } 3893 3894 asect->reloc_count += (relent - relents) / 3; 3895 3896 if (allocated != NULL) 3897 free (allocated); 3898 3899 return TRUE; 3900 3901 error_return: 3902 if (allocated != NULL) 3903 free (allocated); 3904 return FALSE; 3905 } 3906 3907 /* Read the relocations. On Irix 6, there can be two reloc sections 3908 associated with a single data section. This is copied from 3909 elfcode.h as well, with changes as small as accounting for 3 3910 internal relocs per external reloc and resetting reloc_count to 3911 zero before processing the relocs of a section. */ 3912 3913 static bfd_boolean 3914 mips_elf64_slurp_reloc_table (bfd *abfd, asection *asect, 3915 asymbol **symbols, bfd_boolean dynamic) 3916 { 3917 struct bfd_elf_section_data * const d = elf_section_data (asect); 3918 Elf_Internal_Shdr *rel_hdr; 3919 Elf_Internal_Shdr *rel_hdr2; 3920 bfd_size_type reloc_count; 3921 bfd_size_type reloc_count2; 3922 arelent *relents; 3923 bfd_size_type amt; 3924 3925 if (asect->relocation != NULL) 3926 return TRUE; 3927 3928 if (! dynamic) 3929 { 3930 if ((asect->flags & SEC_RELOC) == 0 3931 || asect->reloc_count == 0) 3932 return TRUE; 3933 3934 rel_hdr = d->rel.hdr; 3935 reloc_count = rel_hdr ? NUM_SHDR_ENTRIES (rel_hdr) : 0; 3936 rel_hdr2 = d->rela.hdr; 3937 reloc_count2 = (rel_hdr2 ? NUM_SHDR_ENTRIES (rel_hdr2) : 0); 3938 3939 BFD_ASSERT (asect->reloc_count == reloc_count + reloc_count2); 3940 BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) 3941 || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); 3942 3943 } 3944 else 3945 { 3946 /* Note that ASECT->RELOC_COUNT tends not to be accurate in this 3947 case because relocations against this section may use the 3948 dynamic symbol table, and in that case bfd_section_from_shdr 3949 in elf.c does not update the RELOC_COUNT. */ 3950 if (asect->size == 0) 3951 return TRUE; 3952 3953 rel_hdr = &d->this_hdr; 3954 reloc_count = NUM_SHDR_ENTRIES (rel_hdr); 3955 rel_hdr2 = NULL; 3956 reloc_count2 = 0; 3957 } 3958 3959 /* Allocate space for 3 arelent structures for each Rel structure. */ 3960 amt = (reloc_count + reloc_count2) * 3 * sizeof (arelent); 3961 relents = bfd_alloc (abfd, amt); 3962 if (relents == NULL) 3963 return FALSE; 3964 3965 /* The slurp_one_reloc_table routine increments reloc_count. */ 3966 asect->reloc_count = 0; 3967 3968 if (rel_hdr != NULL 3969 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3970 rel_hdr, reloc_count, 3971 relents, 3972 symbols, dynamic)) 3973 return FALSE; 3974 if (rel_hdr2 != NULL 3975 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3976 rel_hdr2, reloc_count2, 3977 relents + reloc_count * 3, 3978 symbols, dynamic)) 3979 return FALSE; 3980 3981 asect->relocation = relents; 3982 return TRUE; 3983 } 3984 3985 /* Write out the relocations. */ 3986 3987 static void 3988 mips_elf64_write_relocs (bfd *abfd, asection *sec, void *data) 3989 { 3990 bfd_boolean *failedp = data; 3991 int count; 3992 Elf_Internal_Shdr *rel_hdr; 3993 unsigned int idx; 3994 3995 /* If we have already failed, don't do anything. */ 3996 if (*failedp) 3997 return; 3998 3999 if ((sec->flags & SEC_RELOC) == 0) 4000 return; 4001 4002 /* The linker backend writes the relocs out itself, and sets the 4003 reloc_count field to zero to inhibit writing them here. Also, 4004 sometimes the SEC_RELOC flag gets set even when there aren't any 4005 relocs. */ 4006 if (sec->reloc_count == 0) 4007 return; 4008 4009 /* We can combine up to three relocs that refer to the same address 4010 if the latter relocs have no associated symbol. */ 4011 count = 0; 4012 for (idx = 0; idx < sec->reloc_count; idx++) 4013 { 4014 bfd_vma addr; 4015 unsigned int i; 4016 4017 ++count; 4018 4019 addr = sec->orelocation[idx]->address; 4020 for (i = 0; i < 2; i++) 4021 { 4022 arelent *r; 4023 4024 if (idx + 1 >= sec->reloc_count) 4025 break; 4026 r = sec->orelocation[idx + 1]; 4027 if (r->address != addr 4028 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4029 || (*r->sym_ptr_ptr)->value != 0) 4030 break; 4031 4032 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4033 4034 ++idx; 4035 } 4036 } 4037 4038 rel_hdr = _bfd_elf_single_rel_hdr (sec); 4039 4040 /* Do the actual relocation. */ 4041 4042 if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rel)) 4043 mips_elf64_write_rel (abfd, sec, rel_hdr, &count, data); 4044 else if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rela)) 4045 mips_elf64_write_rela (abfd, sec, rel_hdr, &count, data); 4046 else 4047 BFD_ASSERT (0); 4048 } 4049 4050 static void 4051 mips_elf64_write_rel (bfd *abfd, asection *sec, 4052 Elf_Internal_Shdr *rel_hdr, 4053 int *count, void *data) 4054 { 4055 bfd_boolean *failedp = data; 4056 Elf64_Mips_External_Rel *ext_rel; 4057 unsigned int idx; 4058 asymbol *last_sym = 0; 4059 int last_sym_idx = 0; 4060 4061 rel_hdr->sh_size = rel_hdr->sh_entsize * *count; 4062 rel_hdr->contents = bfd_alloc (abfd, rel_hdr->sh_size); 4063 if (rel_hdr->contents == NULL) 4064 { 4065 *failedp = TRUE; 4066 return; 4067 } 4068 4069 ext_rel = (Elf64_Mips_External_Rel *) rel_hdr->contents; 4070 for (idx = 0; idx < sec->reloc_count; idx++, ext_rel++) 4071 { 4072 arelent *ptr; 4073 Elf64_Mips_Internal_Rela int_rel; 4074 asymbol *sym; 4075 int n; 4076 unsigned int i; 4077 4078 ptr = sec->orelocation[idx]; 4079 4080 /* The address of an ELF reloc is section relative for an object 4081 file, and absolute for an executable file or shared library. 4082 The address of a BFD reloc is always section relative. */ 4083 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4084 int_rel.r_offset = ptr->address; 4085 else 4086 int_rel.r_offset = ptr->address + sec->vma; 4087 4088 sym = *ptr->sym_ptr_ptr; 4089 if (sym == last_sym) 4090 n = last_sym_idx; 4091 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4092 n = STN_UNDEF; 4093 else 4094 { 4095 last_sym = sym; 4096 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4097 if (n < 0) 4098 { 4099 *failedp = TRUE; 4100 return; 4101 } 4102 last_sym_idx = n; 4103 } 4104 4105 int_rel.r_sym = n; 4106 int_rel.r_ssym = RSS_UNDEF; 4107 4108 if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4109 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4110 { 4111 *failedp = TRUE; 4112 return; 4113 } 4114 4115 int_rel.r_type = ptr->howto->type; 4116 int_rel.r_type2 = (int) R_MIPS_NONE; 4117 int_rel.r_type3 = (int) R_MIPS_NONE; 4118 4119 for (i = 0; i < 2; i++) 4120 { 4121 arelent *r; 4122 4123 if (idx + 1 >= sec->reloc_count) 4124 break; 4125 r = sec->orelocation[idx + 1]; 4126 if (r->address != ptr->address 4127 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4128 || (*r->sym_ptr_ptr)->value != 0) 4129 break; 4130 4131 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4132 4133 if (i == 0) 4134 int_rel.r_type2 = r->howto->type; 4135 else 4136 int_rel.r_type3 = r->howto->type; 4137 4138 ++idx; 4139 } 4140 4141 mips_elf64_swap_reloc_out (abfd, &int_rel, ext_rel); 4142 } 4143 4144 BFD_ASSERT (ext_rel - (Elf64_Mips_External_Rel *) rel_hdr->contents 4145 == *count); 4146 } 4147 4148 static void 4149 mips_elf64_write_rela (bfd *abfd, asection *sec, 4150 Elf_Internal_Shdr *rela_hdr, 4151 int *count, void *data) 4152 { 4153 bfd_boolean *failedp = data; 4154 Elf64_Mips_External_Rela *ext_rela; 4155 unsigned int idx; 4156 asymbol *last_sym = 0; 4157 int last_sym_idx = 0; 4158 4159 rela_hdr->sh_size = rela_hdr->sh_entsize * *count; 4160 rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); 4161 if (rela_hdr->contents == NULL) 4162 { 4163 *failedp = TRUE; 4164 return; 4165 } 4166 4167 ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; 4168 for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) 4169 { 4170 arelent *ptr; 4171 Elf64_Mips_Internal_Rela int_rela; 4172 asymbol *sym; 4173 int n; 4174 unsigned int i; 4175 4176 ptr = sec->orelocation[idx]; 4177 4178 /* The address of an ELF reloc is section relative for an object 4179 file, and absolute for an executable file or shared library. 4180 The address of a BFD reloc is always section relative. */ 4181 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4182 int_rela.r_offset = ptr->address; 4183 else 4184 int_rela.r_offset = ptr->address + sec->vma; 4185 4186 sym = *ptr->sym_ptr_ptr; 4187 if (sym == last_sym) 4188 n = last_sym_idx; 4189 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4190 n = STN_UNDEF; 4191 else 4192 { 4193 last_sym = sym; 4194 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4195 if (n < 0) 4196 { 4197 *failedp = TRUE; 4198 return; 4199 } 4200 last_sym_idx = n; 4201 } 4202 4203 int_rela.r_sym = n; 4204 int_rela.r_addend = ptr->addend; 4205 int_rela.r_ssym = RSS_UNDEF; 4206 4207 if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4208 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4209 { 4210 *failedp = TRUE; 4211 return; 4212 } 4213 4214 int_rela.r_type = ptr->howto->type; 4215 int_rela.r_type2 = (int) R_MIPS_NONE; 4216 int_rela.r_type3 = (int) R_MIPS_NONE; 4217 4218 for (i = 0; i < 2; i++) 4219 { 4220 arelent *r; 4221 4222 if (idx + 1 >= sec->reloc_count) 4223 break; 4224 r = sec->orelocation[idx + 1]; 4225 if (r->address != ptr->address 4226 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4227 || (*r->sym_ptr_ptr)->value != 0) 4228 break; 4229 4230 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4231 4232 if (i == 0) 4233 int_rela.r_type2 = r->howto->type; 4234 else 4235 int_rela.r_type3 = r->howto->type; 4236 4237 ++idx; 4238 } 4239 4240 mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); 4241 } 4242 4243 BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents 4244 == *count); 4245 } 4246 4247 /* Set the right machine number for a MIPS ELF file. */ 4249 4250 static bfd_boolean 4251 mips_elf64_object_p (bfd *abfd) 4252 { 4253 unsigned long mach; 4254 4255 /* Irix 6 is broken. Object file symbol tables are not always 4256 sorted correctly such that local symbols precede global symbols, 4257 and the sh_info field in the symbol table is not always right. */ 4258 if (elf64_mips_irix_compat (abfd) != ict_none) 4259 elf_bad_symtab (abfd) = TRUE; 4260 4261 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 4262 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 4263 return TRUE; 4264 } 4265 4266 /* Depending on the target vector we generate some version of Irix 4267 executables or "normal" MIPS ELF ABI executables. */ 4268 static irix_compat_t 4269 elf64_mips_irix_compat (bfd *abfd) 4270 { 4271 if ((abfd->xvec == &mips_elf64_be_vec) 4272 || (abfd->xvec == &mips_elf64_le_vec)) 4273 return ict_irix6; 4274 else 4275 return ict_none; 4276 } 4277 4278 /* Support for core dump NOTE sections. */ 4280 static bfd_boolean 4281 elf64_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 4282 { 4283 int offset; 4284 unsigned int size; 4285 4286 switch (note->descsz) 4287 { 4288 default: 4289 return FALSE; 4290 4291 case 480: /* Linux/MIPS - N64 kernel */ 4292 /* pr_cursig */ 4293 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 4294 4295 /* pr_pid */ 4296 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 32); 4297 4298 /* pr_reg */ 4299 offset = 112; 4300 size = 360; 4301 4302 break; 4303 } 4304 4305 /* Make a ".reg/999" section. */ 4306 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 4307 size, note->descpos + offset); 4308 } 4309 4310 static bfd_boolean 4311 elf64_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 4312 { 4313 switch (note->descsz) 4314 { 4315 default: 4316 return FALSE; 4317 4318 case 136: /* Linux/MIPS - N64 kernel elf_prpsinfo */ 4319 elf_tdata (abfd)->core->program 4320 = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); 4321 elf_tdata (abfd)->core->command 4322 = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); 4323 } 4324 4325 /* Note that for some reason, a spurious space is tacked 4326 onto the end of the args in some (at least one anyway) 4327 implementations, so strip it off if it exists. */ 4328 4329 { 4330 char *command = elf_tdata (abfd)->core->command; 4331 int n = strlen (command); 4332 4333 if (0 < n && command[n - 1] == ' ') 4334 command[n - 1] = '\0'; 4335 } 4336 4337 return TRUE; 4338 } 4339 4340 /* ECOFF swapping routines. These are used when dealing with the 4342 .mdebug section, which is in the ECOFF debugging format. */ 4343 static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = 4344 { 4345 /* Symbol table magic number. */ 4346 magicSym2, 4347 /* Alignment of debugging information. E.g., 4. */ 4348 8, 4349 /* Sizes of external symbolic information. */ 4350 sizeof (struct hdr_ext), 4351 sizeof (struct dnr_ext), 4352 sizeof (struct pdr_ext), 4353 sizeof (struct sym_ext), 4354 sizeof (struct opt_ext), 4355 sizeof (struct fdr_ext), 4356 sizeof (struct rfd_ext), 4357 sizeof (struct ext_ext), 4358 /* Functions to swap in external symbolic data. */ 4359 ecoff_swap_hdr_in, 4360 ecoff_swap_dnr_in, 4361 ecoff_swap_pdr_in, 4362 ecoff_swap_sym_in, 4363 ecoff_swap_opt_in, 4364 ecoff_swap_fdr_in, 4365 ecoff_swap_rfd_in, 4366 ecoff_swap_ext_in, 4367 _bfd_ecoff_swap_tir_in, 4368 _bfd_ecoff_swap_rndx_in, 4369 /* Functions to swap out external symbolic data. */ 4370 ecoff_swap_hdr_out, 4371 ecoff_swap_dnr_out, 4372 ecoff_swap_pdr_out, 4373 ecoff_swap_sym_out, 4374 ecoff_swap_opt_out, 4375 ecoff_swap_fdr_out, 4376 ecoff_swap_rfd_out, 4377 ecoff_swap_ext_out, 4378 _bfd_ecoff_swap_tir_out, 4379 _bfd_ecoff_swap_rndx_out, 4380 /* Function to read in symbolic data. */ 4381 _bfd_mips_elf_read_ecoff_info 4382 }; 4383 4384 /* Relocations in the 64 bit MIPS ELF ABI are more complex than in 4386 standard ELF. This structure is used to redirect the relocation 4387 handling routines. */ 4388 4389 const struct elf_size_info mips_elf64_size_info = 4390 { 4391 sizeof (Elf64_External_Ehdr), 4392 sizeof (Elf64_External_Phdr), 4393 sizeof (Elf64_External_Shdr), 4394 sizeof (Elf64_Mips_External_Rel), 4395 sizeof (Elf64_Mips_External_Rela), 4396 sizeof (Elf64_External_Sym), 4397 sizeof (Elf64_External_Dyn), 4398 sizeof (Elf_External_Note), 4399 4, /* hash-table entry size */ 4400 3, /* internal relocations per external relocations */ 4401 64, /* arch_size */ 4402 3, /* log_file_align */ 4403 ELFCLASS64, 4404 EV_CURRENT, 4405 bfd_elf64_write_out_phdrs, 4406 bfd_elf64_write_shdrs_and_ehdr, 4407 bfd_elf64_checksum_contents, 4408 mips_elf64_write_relocs, 4409 bfd_elf64_swap_symbol_in, 4410 bfd_elf64_swap_symbol_out, 4411 mips_elf64_slurp_reloc_table, 4412 bfd_elf64_slurp_symbol_table, 4413 bfd_elf64_swap_dyn_in, 4414 bfd_elf64_swap_dyn_out, 4415 mips_elf64_be_swap_reloc_in, 4416 mips_elf64_be_swap_reloc_out, 4417 mips_elf64_be_swap_reloca_in, 4418 mips_elf64_be_swap_reloca_out 4419 }; 4420 4421 #define ELF_ARCH bfd_arch_mips 4422 #define ELF_TARGET_ID MIPS_ELF_DATA 4423 #define ELF_MACHINE_CODE EM_MIPS 4424 4425 #define elf_backend_collect TRUE 4426 #define elf_backend_type_change_ok TRUE 4427 #define elf_backend_can_gc_sections TRUE 4428 #define elf_backend_gc_mark_extra_sections \ 4429 _bfd_mips_elf_gc_mark_extra_sections 4430 #define elf_info_to_howto mips_elf64_info_to_howto_rela 4431 #define elf_info_to_howto_rel mips_elf64_info_to_howto_rel 4432 #define elf_backend_object_p mips_elf64_object_p 4433 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 4434 #define elf_backend_section_processing _bfd_mips_elf_section_processing 4435 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 4436 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 4437 #define elf_backend_section_from_bfd_section \ 4438 _bfd_mips_elf_section_from_bfd_section 4439 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 4440 #define elf_backend_link_output_symbol_hook \ 4441 _bfd_mips_elf_link_output_symbol_hook 4442 #define elf_backend_create_dynamic_sections \ 4443 _bfd_mips_elf_create_dynamic_sections 4444 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 4445 #define elf_backend_merge_symbol_attribute \ 4446 _bfd_mips_elf_merge_symbol_attribute 4447 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 4448 #define elf_backend_adjust_dynamic_symbol \ 4449 _bfd_mips_elf_adjust_dynamic_symbol 4450 #define elf_backend_always_size_sections \ 4451 _bfd_mips_elf_always_size_sections 4452 #define elf_backend_size_dynamic_sections \ 4453 _bfd_mips_elf_size_dynamic_sections 4454 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 4455 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 4456 #define elf_backend_finish_dynamic_symbol \ 4457 _bfd_mips_elf_finish_dynamic_symbol 4458 #define elf_backend_finish_dynamic_sections \ 4459 _bfd_mips_elf_finish_dynamic_sections 4460 #define elf_backend_final_write_processing \ 4461 _bfd_mips_elf_final_write_processing 4462 #define elf_backend_additional_program_headers \ 4463 _bfd_mips_elf_additional_program_headers 4464 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 4465 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 4466 #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook 4467 #define elf_backend_copy_indirect_symbol \ 4468 _bfd_mips_elf_copy_indirect_symbol 4469 #define elf_backend_ignore_discarded_relocs \ 4470 _bfd_mips_elf_ignore_discarded_relocs 4471 #define elf_backend_mips_irix_compat elf64_mips_irix_compat 4472 #define elf_backend_mips_rtype_to_howto mips_elf64_rtype_to_howto 4473 #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap 4474 #define elf_backend_size_info mips_elf64_size_info 4475 4476 #define elf_backend_grok_prstatus elf64_mips_grok_prstatus 4477 #define elf_backend_grok_psinfo elf64_mips_grok_psinfo 4478 4479 #define elf_backend_got_header_size (8 * MIPS_RESERVED_GOTNO) 4480 4481 /* MIPS ELF64 can use a mixture of REL and RELA, but some Relocations 4482 work better/work only in RELA, so we default to this. */ 4483 #define elf_backend_may_use_rel_p 1 4484 #define elf_backend_may_use_rela_p 1 4485 #define elf_backend_default_use_rela_p 1 4486 #define elf_backend_rela_plts_and_copies_p 0 4487 #define elf_backend_plt_readonly 1 4488 #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val 4489 4490 #define elf_backend_sign_extend_vma TRUE 4491 4492 #define elf_backend_write_section _bfd_mips_elf_write_section 4493 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p 4494 4495 /* We don't set bfd_elf64_bfd_is_local_label_name because the 32-bit 4496 MIPS-specific function only applies to IRIX5, which had no 64-bit 4497 ABI. */ 4498 #define bfd_elf64_bfd_is_target_special_symbol \ 4499 _bfd_mips_elf_is_target_special_symbol 4500 #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line 4501 #define bfd_elf64_find_inliner_info _bfd_mips_elf_find_inliner_info 4502 #define bfd_elf64_new_section_hook _bfd_mips_elf_new_section_hook 4503 #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents 4504 #define bfd_elf64_bfd_get_relocated_section_contents \ 4505 _bfd_elf_mips_get_relocated_section_contents 4506 #define bfd_elf64_bfd_link_hash_table_create \ 4507 _bfd_mips_elf_link_hash_table_create 4508 #define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link 4509 #define bfd_elf64_bfd_merge_private_bfd_data \ 4510 _bfd_mips_elf_merge_private_bfd_data 4511 #define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags 4512 #define bfd_elf64_bfd_print_private_bfd_data \ 4513 _bfd_mips_elf_print_private_bfd_data 4514 4515 #define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound 4516 #define bfd_elf64_canonicalize_reloc mips_elf64_canonicalize_reloc 4517 #define bfd_elf64_get_dynamic_reloc_upper_bound mips_elf64_get_dynamic_reloc_upper_bound 4518 #define bfd_elf64_canonicalize_dynamic_reloc mips_elf64_canonicalize_dynamic_reloc 4519 #define bfd_elf64_bfd_relax_section _bfd_mips_relax_section 4520 #define bfd_elf64_mkobject _bfd_mips_elf_mkobject 4521 4522 /* The SGI style (n)64 NewABI. */ 4523 #define TARGET_LITTLE_SYM mips_elf64_le_vec 4524 #define TARGET_LITTLE_NAME "elf64-littlemips" 4525 #define TARGET_BIG_SYM mips_elf64_be_vec 4526 #define TARGET_BIG_NAME "elf64-bigmips" 4527 4528 #define ELF_MAXPAGESIZE 0x10000 4529 #define ELF_COMMONPAGESIZE 0x1000 4530 4531 #include "elf64-target.h" 4532 4533 /* The SYSV-style 'traditional' (n)64 NewABI. */ 4534 #undef TARGET_LITTLE_SYM 4535 #undef TARGET_LITTLE_NAME 4536 #undef TARGET_BIG_SYM 4537 #undef TARGET_BIG_NAME 4538 4539 #undef ELF_MAXPAGESIZE 4540 #undef ELF_COMMONPAGESIZE 4541 4542 #define TARGET_LITTLE_SYM mips_elf64_trad_le_vec 4543 #define TARGET_LITTLE_NAME "elf64-tradlittlemips" 4544 #define TARGET_BIG_SYM mips_elf64_trad_be_vec 4545 #define TARGET_BIG_NAME "elf64-tradbigmips" 4546 4547 #define ELF_MAXPAGESIZE 0x10000 4548 #define ELF_COMMONPAGESIZE 0x1000 4549 #define elf64_bed elf64_tradbed 4550 4551 /* Include the target file again for this target. */ 4552 #include "elf64-target.h" 4553 4554 4555 /* FreeBSD support. */ 4556 4557 #undef TARGET_LITTLE_SYM 4558 #undef TARGET_LITTLE_NAME 4559 #undef TARGET_BIG_SYM 4560 #undef TARGET_BIG_NAME 4561 4562 #define TARGET_LITTLE_SYM mips_elf64_tradfbsd_le_vec 4563 #define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd" 4564 #define TARGET_BIG_SYM mips_elf64_tradfbsd_be_vec 4565 #define TARGET_BIG_NAME "elf64-tradbigmips-freebsd" 4566 4567 #undef ELF_OSABI 4568 #define ELF_OSABI ELFOSABI_FREEBSD 4569 4570 #undef elf64_bed 4571 #define elf64_bed elf64_fbsd_tradbed 4572 4573 #include "elf64-target.h" 4574
