1 /* MIPS-specific support for 64-bit ELF 2 Copyright (C) 1996-2018 Free Software Foundation, Inc. 3 Ian Lance Taylor, Cygnus Support 4 Linker support added by Mark Mitchell, CodeSourcery, LLC. 5 <mark@codesourcery.com> 6 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24 25 /* This file supports the 64-bit MIPS ELF ABI. 26 27 The MIPS 64-bit ELF ABI uses an unusual reloc format. This file 28 overrides the usual ELF reloc handling, and handles reading and 29 writing the relocations here. */ 30 31 /* TODO: Many things are unsupported, even if there is some code for it 32 . (which was mostly stolen from elf32-mips.c and slightly adapted). 33 . 34 . - Relocation handling for REL relocs is wrong in many cases and 35 . generally untested. 36 . - Relocation handling for RELA relocs related to GOT support are 37 . also likely to be wrong. 38 . - Support for MIPS16 is untested. 39 . - Combined relocs with RSS_* entries are unsupported. 40 . - The whole GOT handling for NewABI is missing, some parts of 41 . the OldABI version is still lying around and should be removed. 42 */ 43 44 #include "sysdep.h" 45 #include "bfd.h" 46 #include "libbfd.h" 47 #include "aout/ar.h" 48 #include "bfdlink.h" 49 #include "genlink.h" 50 #include "elf-bfd.h" 51 #include "elfxx-mips.h" 52 #include "elf/mips.h" 53 54 /* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to 55 use ECOFF. However, we support it anyhow for an easier changeover. */ 56 #include "coff/sym.h" 57 #include "coff/symconst.h" 58 #include "coff/internal.h" 59 #include "coff/ecoff.h" 60 /* The 64 bit versions of the mdebug data structures are in alpha.h. */ 61 #include "coff/alpha.h" 62 #define ECOFF_SIGNED_64 63 #include "ecoffswap.h" 64 65 static void mips_elf64_swap_reloc_in 66 (bfd *, const Elf64_Mips_External_Rel *, Elf64_Mips_Internal_Rela *); 67 static void mips_elf64_swap_reloca_in 68 (bfd *, const Elf64_Mips_External_Rela *, Elf64_Mips_Internal_Rela *); 69 static void mips_elf64_swap_reloc_out 70 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rel *); 71 static void mips_elf64_swap_reloca_out 72 (bfd *, const Elf64_Mips_Internal_Rela *, Elf64_Mips_External_Rela *); 73 static void mips_elf64_be_swap_reloc_in 74 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 75 static void mips_elf64_be_swap_reloc_out 76 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 77 static void mips_elf64_be_swap_reloca_in 78 (bfd *, const bfd_byte *, Elf_Internal_Rela *); 79 static void mips_elf64_be_swap_reloca_out 80 (bfd *, const Elf_Internal_Rela *, bfd_byte *); 81 static reloc_howto_type *bfd_elf64_bfd_reloc_type_lookup 82 (bfd *, bfd_reloc_code_real_type); 83 static bfd_boolean mips_elf64_info_to_howto_rela 84 (bfd *, arelent *, Elf_Internal_Rela *); 85 static long mips_elf64_get_dynamic_reloc_upper_bound 86 (bfd *); 87 static bfd_boolean mips_elf64_slurp_one_reloc_table 88 (bfd *, asection *, Elf_Internal_Shdr *, bfd_size_type, arelent *, 89 asymbol **, bfd_boolean); 90 static bfd_boolean mips_elf64_slurp_reloc_table 91 (bfd *, asection *, asymbol **, bfd_boolean); 92 static void mips_elf64_write_relocs 93 (bfd *, asection *, void *); 94 static void mips_elf64_write_rel 95 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 96 static void mips_elf64_write_rela 97 (bfd *, asection *, Elf_Internal_Shdr *, int *, void *); 98 static bfd_reloc_status_type mips_elf64_gprel16_reloc 99 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 100 static bfd_reloc_status_type mips_elf64_literal_reloc 101 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 102 static bfd_reloc_status_type mips_elf64_gprel32_reloc 103 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 104 static bfd_reloc_status_type mips_elf64_shift6_reloc 105 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 106 static bfd_reloc_status_type mips16_gprel_reloc 107 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 108 static bfd_boolean mips_elf64_assign_gp 109 (bfd *, bfd_vma *); 110 static bfd_reloc_status_type mips_elf64_final_gp 111 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); 112 static bfd_boolean mips_elf64_object_p 113 (bfd *); 114 static bfd_boolean mips_elf64_is_local_label_name 115 (bfd *, const char *); 116 static irix_compat_t elf64_mips_irix_compat 117 (bfd *); 118 static bfd_boolean elf64_mips_grok_prstatus 119 (bfd *, Elf_Internal_Note *); 120 static bfd_boolean elf64_mips_grok_psinfo 121 (bfd *, Elf_Internal_Note *); 122 123 extern const bfd_target mips_elf64_be_vec; 124 extern const bfd_target mips_elf64_le_vec; 125 126 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value 127 from smaller values. Start with zero, widen, *then* decrement. */ 128 #define MINUS_ONE (((bfd_vma)0) - 1) 129 130 /* The number of local .got entries we reserve. */ 131 #define MIPS_RESERVED_GOTNO (2) 132 133 /* The relocation table used for SHT_REL sections. */ 134 135 static reloc_howto_type mips_elf64_howto_table_rel[] = 136 { 137 /* No relocation. */ 138 HOWTO (R_MIPS_NONE, /* type */ 139 0, /* rightshift */ 140 3, /* size (0 = byte, 1 = short, 2 = long) */ 141 0, /* bitsize */ 142 FALSE, /* pc_relative */ 143 0, /* bitpos */ 144 complain_overflow_dont, /* complain_on_overflow */ 145 _bfd_mips_elf_generic_reloc, /* special_function */ 146 "R_MIPS_NONE", /* name */ 147 FALSE, /* partial_inplace */ 148 0, /* src_mask */ 149 0, /* dst_mask */ 150 FALSE), /* pcrel_offset */ 151 152 /* 16 bit relocation. */ 153 HOWTO (R_MIPS_16, /* type */ 154 0, /* rightshift */ 155 2, /* size (0 = byte, 1 = short, 2 = long) */ 156 16, /* bitsize */ 157 FALSE, /* pc_relative */ 158 0, /* bitpos */ 159 complain_overflow_signed, /* complain_on_overflow */ 160 _bfd_mips_elf_generic_reloc, /* special_function */ 161 "R_MIPS_16", /* name */ 162 TRUE, /* partial_inplace */ 163 0x0000ffff, /* src_mask */ 164 0x0000ffff, /* dst_mask */ 165 FALSE), /* pcrel_offset */ 166 167 /* 32 bit relocation. */ 168 HOWTO (R_MIPS_32, /* type */ 169 0, /* rightshift */ 170 2, /* size (0 = byte, 1 = short, 2 = long) */ 171 32, /* bitsize */ 172 FALSE, /* pc_relative */ 173 0, /* bitpos */ 174 complain_overflow_dont, /* complain_on_overflow */ 175 _bfd_mips_elf_generic_reloc, /* special_function */ 176 "R_MIPS_32", /* name */ 177 TRUE, /* partial_inplace */ 178 0xffffffff, /* src_mask */ 179 0xffffffff, /* dst_mask */ 180 FALSE), /* pcrel_offset */ 181 182 /* 32 bit symbol relative relocation. */ 183 HOWTO (R_MIPS_REL32, /* type */ 184 0, /* rightshift */ 185 2, /* size (0 = byte, 1 = short, 2 = long) */ 186 32, /* bitsize */ 187 FALSE, /* pc_relative */ 188 0, /* bitpos */ 189 complain_overflow_dont, /* complain_on_overflow */ 190 _bfd_mips_elf_generic_reloc, /* special_function */ 191 "R_MIPS_REL32", /* name */ 192 TRUE, /* partial_inplace */ 193 0xffffffff, /* src_mask */ 194 0xffffffff, /* dst_mask */ 195 FALSE), /* pcrel_offset */ 196 197 /* 26 bit jump address. */ 198 HOWTO (R_MIPS_26, /* type */ 199 2, /* rightshift */ 200 2, /* size (0 = byte, 1 = short, 2 = long) */ 201 26, /* bitsize */ 202 FALSE, /* pc_relative */ 203 0, /* bitpos */ 204 complain_overflow_dont, /* complain_on_overflow */ 205 /* This needs complex overflow 206 detection, because the upper 36 207 bits must match the PC + 4. */ 208 _bfd_mips_elf_generic_reloc, /* special_function */ 209 "R_MIPS_26", /* name */ 210 TRUE, /* partial_inplace */ 211 0x03ffffff, /* src_mask */ 212 0x03ffffff, /* dst_mask */ 213 FALSE), /* pcrel_offset */ 214 215 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. 216 However, the native IRIX6 tools use them, so we try our best. */ 217 218 /* High 16 bits of symbol value. */ 219 HOWTO (R_MIPS_HI16, /* type */ 220 16, /* rightshift */ 221 2, /* size (0 = byte, 1 = short, 2 = long) */ 222 16, /* bitsize */ 223 FALSE, /* pc_relative */ 224 0, /* bitpos */ 225 complain_overflow_dont, /* complain_on_overflow */ 226 _bfd_mips_elf_hi16_reloc, /* special_function */ 227 "R_MIPS_HI16", /* name */ 228 TRUE, /* partial_inplace */ 229 0x0000ffff, /* src_mask */ 230 0x0000ffff, /* dst_mask */ 231 FALSE), /* pcrel_offset */ 232 233 /* Low 16 bits of symbol value. */ 234 HOWTO (R_MIPS_LO16, /* type */ 235 0, /* rightshift */ 236 2, /* size (0 = byte, 1 = short, 2 = long) */ 237 16, /* bitsize */ 238 FALSE, /* pc_relative */ 239 0, /* bitpos */ 240 complain_overflow_dont, /* complain_on_overflow */ 241 _bfd_mips_elf_lo16_reloc, /* special_function */ 242 "R_MIPS_LO16", /* name */ 243 TRUE, /* partial_inplace */ 244 0x0000ffff, /* src_mask */ 245 0x0000ffff, /* dst_mask */ 246 FALSE), /* pcrel_offset */ 247 248 /* GP relative reference. */ 249 HOWTO (R_MIPS_GPREL16, /* type */ 250 0, /* rightshift */ 251 2, /* size (0 = byte, 1 = short, 2 = long) */ 252 16, /* bitsize */ 253 FALSE, /* pc_relative */ 254 0, /* bitpos */ 255 complain_overflow_signed, /* complain_on_overflow */ 256 mips_elf64_gprel16_reloc, /* special_function */ 257 "R_MIPS_GPREL16", /* name */ 258 TRUE, /* partial_inplace */ 259 0x0000ffff, /* src_mask */ 260 0x0000ffff, /* dst_mask */ 261 FALSE), /* pcrel_offset */ 262 263 /* Reference to literal section. */ 264 HOWTO (R_MIPS_LITERAL, /* type */ 265 0, /* rightshift */ 266 2, /* size (0 = byte, 1 = short, 2 = long) */ 267 16, /* bitsize */ 268 FALSE, /* pc_relative */ 269 0, /* bitpos */ 270 complain_overflow_signed, /* complain_on_overflow */ 271 mips_elf64_literal_reloc, /* special_function */ 272 "R_MIPS_LITERAL", /* name */ 273 TRUE, /* partial_inplace */ 274 0x0000ffff, /* src_mask */ 275 0x0000ffff, /* dst_mask */ 276 FALSE), /* pcrel_offset */ 277 278 /* Reference to global offset table. */ 279 HOWTO (R_MIPS_GOT16, /* type */ 280 0, /* rightshift */ 281 2, /* size (0 = byte, 1 = short, 2 = long) */ 282 16, /* bitsize */ 283 FALSE, /* pc_relative */ 284 0, /* bitpos */ 285 complain_overflow_signed, /* complain_on_overflow */ 286 _bfd_mips_elf_got16_reloc, /* special_function */ 287 "R_MIPS_GOT16", /* name */ 288 TRUE, /* partial_inplace */ 289 0x0000ffff, /* src_mask */ 290 0x0000ffff, /* dst_mask */ 291 FALSE), /* pcrel_offset */ 292 293 /* 16 bit PC relative reference. Note that the ABI document has a typo 294 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 295 We do the right thing here. */ 296 HOWTO (R_MIPS_PC16, /* type */ 297 2, /* rightshift */ 298 2, /* size (0 = byte, 1 = short, 2 = long) */ 299 16, /* bitsize */ 300 TRUE, /* pc_relative */ 301 0, /* bitpos */ 302 complain_overflow_signed, /* complain_on_overflow */ 303 _bfd_mips_elf_generic_reloc, /* special_function */ 304 "R_MIPS_PC16", /* name */ 305 TRUE, /* partial_inplace */ 306 0x0000ffff, /* src_mask */ 307 0x0000ffff, /* dst_mask */ 308 TRUE), /* pcrel_offset */ 309 310 /* 16 bit call through global offset table. */ 311 HOWTO (R_MIPS_CALL16, /* type */ 312 0, /* rightshift */ 313 2, /* size (0 = byte, 1 = short, 2 = long) */ 314 16, /* bitsize */ 315 FALSE, /* pc_relative */ 316 0, /* bitpos */ 317 complain_overflow_signed, /* complain_on_overflow */ 318 _bfd_mips_elf_generic_reloc, /* special_function */ 319 "R_MIPS_CALL16", /* name */ 320 TRUE, /* partial_inplace */ 321 0x0000ffff, /* src_mask */ 322 0x0000ffff, /* dst_mask */ 323 FALSE), /* pcrel_offset */ 324 325 /* 32 bit GP relative reference. */ 326 HOWTO (R_MIPS_GPREL32, /* type */ 327 0, /* rightshift */ 328 2, /* size (0 = byte, 1 = short, 2 = long) */ 329 32, /* bitsize */ 330 FALSE, /* pc_relative */ 331 0, /* bitpos */ 332 complain_overflow_dont, /* complain_on_overflow */ 333 mips_elf64_gprel32_reloc, /* special_function */ 334 "R_MIPS_GPREL32", /* name */ 335 TRUE, /* partial_inplace */ 336 0xffffffff, /* src_mask */ 337 0xffffffff, /* dst_mask */ 338 FALSE), /* pcrel_offset */ 339 340 EMPTY_HOWTO (13), 341 EMPTY_HOWTO (14), 342 EMPTY_HOWTO (15), 343 344 /* A 5 bit shift field. */ 345 HOWTO (R_MIPS_SHIFT5, /* type */ 346 0, /* rightshift */ 347 2, /* size (0 = byte, 1 = short, 2 = long) */ 348 5, /* bitsize */ 349 FALSE, /* pc_relative */ 350 6, /* bitpos */ 351 complain_overflow_bitfield, /* complain_on_overflow */ 352 _bfd_mips_elf_generic_reloc, /* special_function */ 353 "R_MIPS_SHIFT5", /* name */ 354 TRUE, /* partial_inplace */ 355 0x000007c0, /* src_mask */ 356 0x000007c0, /* dst_mask */ 357 FALSE), /* pcrel_offset */ 358 359 /* A 6 bit shift field. */ 360 HOWTO (R_MIPS_SHIFT6, /* type */ 361 0, /* rightshift */ 362 2, /* size (0 = byte, 1 = short, 2 = long) */ 363 6, /* bitsize */ 364 FALSE, /* pc_relative */ 365 6, /* bitpos */ 366 complain_overflow_bitfield, /* complain_on_overflow */ 367 mips_elf64_shift6_reloc, /* special_function */ 368 "R_MIPS_SHIFT6", /* name */ 369 TRUE, /* partial_inplace */ 370 0x000007c4, /* src_mask */ 371 0x000007c4, /* dst_mask */ 372 FALSE), /* pcrel_offset */ 373 374 /* 64 bit relocation. */ 375 HOWTO (R_MIPS_64, /* type */ 376 0, /* rightshift */ 377 4, /* size (0 = byte, 1 = short, 2 = long) */ 378 64, /* bitsize */ 379 FALSE, /* pc_relative */ 380 0, /* bitpos */ 381 complain_overflow_dont, /* complain_on_overflow */ 382 _bfd_mips_elf_generic_reloc, /* special_function */ 383 "R_MIPS_64", /* name */ 384 TRUE, /* partial_inplace */ 385 MINUS_ONE, /* src_mask */ 386 MINUS_ONE, /* dst_mask */ 387 FALSE), /* pcrel_offset */ 388 389 /* Displacement in the global offset table. */ 390 HOWTO (R_MIPS_GOT_DISP, /* type */ 391 0, /* rightshift */ 392 2, /* size (0 = byte, 1 = short, 2 = long) */ 393 16, /* bitsize */ 394 FALSE, /* pc_relative */ 395 0, /* bitpos */ 396 complain_overflow_signed, /* complain_on_overflow */ 397 _bfd_mips_elf_generic_reloc, /* special_function */ 398 "R_MIPS_GOT_DISP", /* name */ 399 TRUE, /* partial_inplace */ 400 0x0000ffff, /* src_mask */ 401 0x0000ffff, /* dst_mask */ 402 FALSE), /* pcrel_offset */ 403 404 /* Displacement to page pointer in the global offset table. */ 405 HOWTO (R_MIPS_GOT_PAGE, /* type */ 406 0, /* rightshift */ 407 2, /* size (0 = byte, 1 = short, 2 = long) */ 408 16, /* bitsize */ 409 FALSE, /* pc_relative */ 410 0, /* bitpos */ 411 complain_overflow_signed, /* complain_on_overflow */ 412 _bfd_mips_elf_generic_reloc, /* special_function */ 413 "R_MIPS_GOT_PAGE", /* name */ 414 TRUE, /* partial_inplace */ 415 0x0000ffff, /* src_mask */ 416 0x0000ffff, /* dst_mask */ 417 FALSE), /* pcrel_offset */ 418 419 /* Offset from page pointer in the global offset table. */ 420 HOWTO (R_MIPS_GOT_OFST, /* type */ 421 0, /* rightshift */ 422 2, /* size (0 = byte, 1 = short, 2 = long) */ 423 16, /* bitsize */ 424 FALSE, /* pc_relative */ 425 0, /* bitpos */ 426 complain_overflow_signed, /* complain_on_overflow */ 427 _bfd_mips_elf_generic_reloc, /* special_function */ 428 "R_MIPS_GOT_OFST", /* name */ 429 TRUE, /* partial_inplace */ 430 0x0000ffff, /* src_mask */ 431 0x0000ffff, /* dst_mask */ 432 FALSE), /* pcrel_offset */ 433 434 /* High 16 bits of displacement in global offset table. */ 435 HOWTO (R_MIPS_GOT_HI16, /* type */ 436 0, /* rightshift */ 437 2, /* size (0 = byte, 1 = short, 2 = long) */ 438 16, /* bitsize */ 439 FALSE, /* pc_relative */ 440 0, /* bitpos */ 441 complain_overflow_dont, /* complain_on_overflow */ 442 _bfd_mips_elf_generic_reloc, /* special_function */ 443 "R_MIPS_GOT_HI16", /* name */ 444 TRUE, /* partial_inplace */ 445 0x0000ffff, /* src_mask */ 446 0x0000ffff, /* dst_mask */ 447 FALSE), /* pcrel_offset */ 448 449 /* Low 16 bits of displacement in global offset table. */ 450 HOWTO (R_MIPS_GOT_LO16, /* type */ 451 0, /* rightshift */ 452 2, /* size (0 = byte, 1 = short, 2 = long) */ 453 16, /* bitsize */ 454 FALSE, /* pc_relative */ 455 0, /* bitpos */ 456 complain_overflow_dont, /* complain_on_overflow */ 457 _bfd_mips_elf_generic_reloc, /* special_function */ 458 "R_MIPS_GOT_LO16", /* name */ 459 TRUE, /* partial_inplace */ 460 0x0000ffff, /* src_mask */ 461 0x0000ffff, /* dst_mask */ 462 FALSE), /* pcrel_offset */ 463 464 /* 64 bit subtraction. */ 465 HOWTO (R_MIPS_SUB, /* type */ 466 0, /* rightshift */ 467 4, /* size (0 = byte, 1 = short, 2 = long) */ 468 64, /* bitsize */ 469 FALSE, /* pc_relative */ 470 0, /* bitpos */ 471 complain_overflow_dont, /* complain_on_overflow */ 472 _bfd_mips_elf_generic_reloc, /* special_function */ 473 "R_MIPS_SUB", /* name */ 474 TRUE, /* partial_inplace */ 475 MINUS_ONE, /* src_mask */ 476 MINUS_ONE, /* dst_mask */ 477 FALSE), /* pcrel_offset */ 478 479 /* Insert the addend as an instruction. */ 480 /* FIXME: Not handled correctly. */ 481 HOWTO (R_MIPS_INSERT_A, /* type */ 482 0, /* rightshift */ 483 2, /* size (0 = byte, 1 = short, 2 = long) */ 484 32, /* bitsize */ 485 FALSE, /* pc_relative */ 486 0, /* bitpos */ 487 complain_overflow_dont, /* complain_on_overflow */ 488 _bfd_mips_elf_generic_reloc, /* special_function */ 489 "R_MIPS_INSERT_A", /* name */ 490 TRUE, /* partial_inplace */ 491 0xffffffff, /* src_mask */ 492 0xffffffff, /* dst_mask */ 493 FALSE), /* pcrel_offset */ 494 495 /* Insert the addend as an instruction, and change all relocations 496 to refer to the old instruction at the address. */ 497 /* FIXME: Not handled correctly. */ 498 HOWTO (R_MIPS_INSERT_B, /* type */ 499 0, /* rightshift */ 500 2, /* size (0 = byte, 1 = short, 2 = long) */ 501 32, /* bitsize */ 502 FALSE, /* pc_relative */ 503 0, /* bitpos */ 504 complain_overflow_dont, /* complain_on_overflow */ 505 _bfd_mips_elf_generic_reloc, /* special_function */ 506 "R_MIPS_INSERT_B", /* name */ 507 TRUE, /* partial_inplace */ 508 0xffffffff, /* src_mask */ 509 0xffffffff, /* dst_mask */ 510 FALSE), /* pcrel_offset */ 511 512 /* Delete a 32 bit instruction. */ 513 /* FIXME: Not handled correctly. */ 514 HOWTO (R_MIPS_DELETE, /* type */ 515 0, /* rightshift */ 516 2, /* size (0 = byte, 1 = short, 2 = long) */ 517 32, /* bitsize */ 518 FALSE, /* pc_relative */ 519 0, /* bitpos */ 520 complain_overflow_dont, /* complain_on_overflow */ 521 _bfd_mips_elf_generic_reloc, /* special_function */ 522 "R_MIPS_DELETE", /* name */ 523 TRUE, /* partial_inplace */ 524 0xffffffff, /* src_mask */ 525 0xffffffff, /* dst_mask */ 526 FALSE), /* pcrel_offset */ 527 528 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. 529 We don't, because 530 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ 531 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using 532 fallable heuristics. 533 b) No other NewABI toolchain actually emits such relocations. */ 534 EMPTY_HOWTO (R_MIPS_HIGHER), 535 EMPTY_HOWTO (R_MIPS_HIGHEST), 536 537 /* High 16 bits of displacement in global offset table. */ 538 HOWTO (R_MIPS_CALL_HI16, /* type */ 539 0, /* rightshift */ 540 2, /* size (0 = byte, 1 = short, 2 = long) */ 541 16, /* bitsize */ 542 FALSE, /* pc_relative */ 543 0, /* bitpos */ 544 complain_overflow_dont, /* complain_on_overflow */ 545 _bfd_mips_elf_generic_reloc, /* special_function */ 546 "R_MIPS_CALL_HI16", /* name */ 547 TRUE, /* partial_inplace */ 548 0x0000ffff, /* src_mask */ 549 0x0000ffff, /* dst_mask */ 550 FALSE), /* pcrel_offset */ 551 552 /* Low 16 bits of displacement in global offset table. */ 553 HOWTO (R_MIPS_CALL_LO16, /* type */ 554 0, /* rightshift */ 555 2, /* size (0 = byte, 1 = short, 2 = long) */ 556 16, /* bitsize */ 557 FALSE, /* pc_relative */ 558 0, /* bitpos */ 559 complain_overflow_dont, /* complain_on_overflow */ 560 _bfd_mips_elf_generic_reloc, /* special_function */ 561 "R_MIPS_CALL_LO16", /* name */ 562 TRUE, /* partial_inplace */ 563 0x0000ffff, /* src_mask */ 564 0x0000ffff, /* dst_mask */ 565 FALSE), /* pcrel_offset */ 566 567 /* Section displacement, used by an associated event location section. */ 568 HOWTO (R_MIPS_SCN_DISP, /* type */ 569 0, /* rightshift */ 570 2, /* size (0 = byte, 1 = short, 2 = long) */ 571 32, /* bitsize */ 572 FALSE, /* pc_relative */ 573 0, /* bitpos */ 574 complain_overflow_dont, /* complain_on_overflow */ 575 _bfd_mips_elf_generic_reloc, /* special_function */ 576 "R_MIPS_SCN_DISP", /* name */ 577 TRUE, /* partial_inplace */ 578 0xffffffff, /* src_mask */ 579 0xffffffff, /* dst_mask */ 580 FALSE), /* pcrel_offset */ 581 582 HOWTO (R_MIPS_REL16, /* type */ 583 0, /* rightshift */ 584 1, /* size (0 = byte, 1 = short, 2 = long) */ 585 16, /* bitsize */ 586 FALSE, /* pc_relative */ 587 0, /* bitpos */ 588 complain_overflow_signed, /* complain_on_overflow */ 589 _bfd_mips_elf_generic_reloc, /* special_function */ 590 "R_MIPS_REL16", /* name */ 591 TRUE, /* partial_inplace */ 592 0xffff, /* src_mask */ 593 0xffff, /* dst_mask */ 594 FALSE), /* pcrel_offset */ 595 596 /* These two are obsolete. */ 597 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 598 EMPTY_HOWTO (R_MIPS_PJUMP), 599 600 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 601 It must be used for multigot GOT's (and only there). */ 602 HOWTO (R_MIPS_RELGOT, /* type */ 603 0, /* rightshift */ 604 2, /* size (0 = byte, 1 = short, 2 = long) */ 605 32, /* bitsize */ 606 FALSE, /* pc_relative */ 607 0, /* bitpos */ 608 complain_overflow_dont, /* complain_on_overflow */ 609 _bfd_mips_elf_generic_reloc, /* special_function */ 610 "R_MIPS_RELGOT", /* name */ 611 TRUE, /* partial_inplace */ 612 0xffffffff, /* src_mask */ 613 0xffffffff, /* dst_mask */ 614 FALSE), /* pcrel_offset */ 615 616 /* Protected jump conversion. This is an optimization hint. No 617 relocation is required for correctness. */ 618 HOWTO (R_MIPS_JALR, /* type */ 619 0, /* rightshift */ 620 2, /* size (0 = byte, 1 = short, 2 = long) */ 621 32, /* bitsize */ 622 FALSE, /* pc_relative */ 623 0, /* bitpos */ 624 complain_overflow_dont, /* complain_on_overflow */ 625 _bfd_mips_elf_generic_reloc, /* special_function */ 626 "R_MIPS_JALR", /* name */ 627 FALSE, /* partial_inplace */ 628 0, /* src_mask */ 629 0x00000000, /* dst_mask */ 630 FALSE), /* pcrel_offset */ 631 632 /* TLS relocations. */ 633 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 634 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 635 636 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 637 0, /* rightshift */ 638 4, /* size (0 = byte, 1 = short, 2 = long) */ 639 64, /* bitsize */ 640 FALSE, /* pc_relative */ 641 0, /* bitpos */ 642 complain_overflow_dont, /* complain_on_overflow */ 643 _bfd_mips_elf_generic_reloc, /* special_function */ 644 "R_MIPS_TLS_DTPMOD64", /* name */ 645 TRUE, /* partial_inplace */ 646 MINUS_ONE, /* src_mask */ 647 MINUS_ONE, /* dst_mask */ 648 FALSE), /* pcrel_offset */ 649 650 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 651 0, /* rightshift */ 652 4, /* size (0 = byte, 1 = short, 2 = long) */ 653 64, /* bitsize */ 654 FALSE, /* pc_relative */ 655 0, /* bitpos */ 656 complain_overflow_dont, /* complain_on_overflow */ 657 _bfd_mips_elf_generic_reloc, /* special_function */ 658 "R_MIPS_TLS_DTPREL64", /* name */ 659 TRUE, /* partial_inplace */ 660 MINUS_ONE, /* src_mask */ 661 MINUS_ONE, /* dst_mask */ 662 FALSE), /* pcrel_offset */ 663 664 /* TLS general dynamic variable reference. */ 665 HOWTO (R_MIPS_TLS_GD, /* type */ 666 0, /* rightshift */ 667 2, /* size (0 = byte, 1 = short, 2 = long) */ 668 16, /* bitsize */ 669 FALSE, /* pc_relative */ 670 0, /* bitpos */ 671 complain_overflow_signed, /* complain_on_overflow */ 672 _bfd_mips_elf_generic_reloc, /* special_function */ 673 "R_MIPS_TLS_GD", /* name */ 674 TRUE, /* partial_inplace */ 675 0x0000ffff, /* src_mask */ 676 0x0000ffff, /* dst_mask */ 677 FALSE), /* pcrel_offset */ 678 679 /* TLS local dynamic variable reference. */ 680 HOWTO (R_MIPS_TLS_LDM, /* type */ 681 0, /* rightshift */ 682 2, /* size (0 = byte, 1 = short, 2 = long) */ 683 16, /* bitsize */ 684 FALSE, /* pc_relative */ 685 0, /* bitpos */ 686 complain_overflow_signed, /* complain_on_overflow */ 687 _bfd_mips_elf_generic_reloc, /* special_function */ 688 "R_MIPS_TLS_LDM", /* name */ 689 TRUE, /* partial_inplace */ 690 0x0000ffff, /* src_mask */ 691 0x0000ffff, /* dst_mask */ 692 FALSE), /* pcrel_offset */ 693 694 /* TLS local dynamic offset. */ 695 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 696 0, /* rightshift */ 697 2, /* size (0 = byte, 1 = short, 2 = long) */ 698 16, /* bitsize */ 699 FALSE, /* pc_relative */ 700 0, /* bitpos */ 701 complain_overflow_signed, /* complain_on_overflow */ 702 _bfd_mips_elf_generic_reloc, /* special_function */ 703 "R_MIPS_TLS_DTPREL_HI16", /* name */ 704 TRUE, /* partial_inplace */ 705 0x0000ffff, /* src_mask */ 706 0x0000ffff, /* dst_mask */ 707 FALSE), /* pcrel_offset */ 708 709 /* TLS local dynamic offset. */ 710 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 711 0, /* rightshift */ 712 2, /* size (0 = byte, 1 = short, 2 = long) */ 713 16, /* bitsize */ 714 FALSE, /* pc_relative */ 715 0, /* bitpos */ 716 complain_overflow_signed, /* complain_on_overflow */ 717 _bfd_mips_elf_generic_reloc, /* special_function */ 718 "R_MIPS_TLS_DTPREL_LO16", /* name */ 719 TRUE, /* partial_inplace */ 720 0x0000ffff, /* src_mask */ 721 0x0000ffff, /* dst_mask */ 722 FALSE), /* pcrel_offset */ 723 724 /* TLS thread pointer offset. */ 725 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 726 0, /* rightshift */ 727 2, /* size (0 = byte, 1 = short, 2 = long) */ 728 16, /* bitsize */ 729 FALSE, /* pc_relative */ 730 0, /* bitpos */ 731 complain_overflow_signed, /* complain_on_overflow */ 732 _bfd_mips_elf_generic_reloc, /* special_function */ 733 "R_MIPS_TLS_GOTTPREL", /* name */ 734 TRUE, /* partial_inplace */ 735 0x0000ffff, /* src_mask */ 736 0x0000ffff, /* dst_mask */ 737 FALSE), /* pcrel_offset */ 738 739 /* TLS IE dynamic relocations. */ 740 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 741 742 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 743 0, /* rightshift */ 744 4, /* size (0 = byte, 1 = short, 2 = long) */ 745 64, /* bitsize */ 746 FALSE, /* pc_relative */ 747 0, /* bitpos */ 748 complain_overflow_dont, /* complain_on_overflow */ 749 _bfd_mips_elf_generic_reloc, /* special_function */ 750 "R_MIPS_TLS_TPREL64", /* name */ 751 TRUE, /* partial_inplace */ 752 MINUS_ONE, /* src_mask */ 753 MINUS_ONE, /* dst_mask */ 754 FALSE), /* pcrel_offset */ 755 756 /* TLS thread pointer offset. */ 757 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 758 0, /* rightshift */ 759 2, /* size (0 = byte, 1 = short, 2 = long) */ 760 16, /* bitsize */ 761 FALSE, /* pc_relative */ 762 0, /* bitpos */ 763 complain_overflow_signed, /* complain_on_overflow */ 764 _bfd_mips_elf_generic_reloc, /* special_function */ 765 "R_MIPS_TLS_TPREL_HI16", /* name */ 766 TRUE, /* partial_inplace */ 767 0x0000ffff, /* src_mask */ 768 0x0000ffff, /* dst_mask */ 769 FALSE), /* pcrel_offset */ 770 771 /* TLS thread pointer offset. */ 772 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 773 0, /* rightshift */ 774 2, /* size (0 = byte, 1 = short, 2 = long) */ 775 16, /* bitsize */ 776 FALSE, /* pc_relative */ 777 0, /* bitpos */ 778 complain_overflow_signed, /* complain_on_overflow */ 779 _bfd_mips_elf_generic_reloc, /* special_function */ 780 "R_MIPS_TLS_TPREL_LO16", /* name */ 781 TRUE, /* partial_inplace */ 782 0x0000ffff, /* src_mask */ 783 0x0000ffff, /* dst_mask */ 784 FALSE), /* pcrel_offset */ 785 786 /* 32 bit relocation with no addend. */ 787 HOWTO (R_MIPS_GLOB_DAT, /* type */ 788 0, /* rightshift */ 789 2, /* size (0 = byte, 1 = short, 2 = long) */ 790 32, /* bitsize */ 791 FALSE, /* pc_relative */ 792 0, /* bitpos */ 793 complain_overflow_dont, /* complain_on_overflow */ 794 _bfd_mips_elf_generic_reloc, /* special_function */ 795 "R_MIPS_GLOB_DAT", /* name */ 796 FALSE, /* partial_inplace */ 797 0x0, /* src_mask */ 798 0xffffffff, /* dst_mask */ 799 FALSE), /* pcrel_offset */ 800 801 EMPTY_HOWTO (52), 802 EMPTY_HOWTO (53), 803 EMPTY_HOWTO (54), 804 EMPTY_HOWTO (55), 805 EMPTY_HOWTO (56), 806 EMPTY_HOWTO (57), 807 EMPTY_HOWTO (58), 808 EMPTY_HOWTO (59), 809 810 HOWTO (R_MIPS_PC21_S2, /* type */ 811 2, /* rightshift */ 812 2, /* size (0 = byte, 1 = short, 2 = long) */ 813 21, /* bitsize */ 814 TRUE, /* pc_relative */ 815 0, /* bitpos */ 816 complain_overflow_signed, /* complain_on_overflow */ 817 _bfd_mips_elf_generic_reloc, /* special_function */ 818 "R_MIPS_PC21_S2", /* name */ 819 TRUE, /* partial_inplace */ 820 0x001fffff, /* src_mask */ 821 0x001fffff, /* dst_mask */ 822 TRUE), /* pcrel_offset */ 823 824 HOWTO (R_MIPS_PC26_S2, /* type */ 825 2, /* rightshift */ 826 2, /* size (0 = byte, 1 = short, 2 = long) */ 827 26, /* bitsize */ 828 TRUE, /* pc_relative */ 829 0, /* bitpos */ 830 complain_overflow_signed, /* complain_on_overflow */ 831 _bfd_mips_elf_generic_reloc, /* special_function */ 832 "R_MIPS_PC26_S2", /* name */ 833 TRUE, /* partial_inplace */ 834 0x03ffffff, /* src_mask */ 835 0x03ffffff, /* dst_mask */ 836 TRUE), /* pcrel_offset */ 837 838 HOWTO (R_MIPS_PC18_S3, /* type */ 839 3, /* rightshift */ 840 2, /* size (0 = byte, 1 = short, 2 = long) */ 841 18, /* bitsize */ 842 TRUE, /* pc_relative */ 843 0, /* bitpos */ 844 complain_overflow_signed, /* complain_on_overflow */ 845 _bfd_mips_elf_generic_reloc, /* special_function */ 846 "R_MIPS_PC18_S3", /* name */ 847 TRUE, /* partial_inplace */ 848 0x0003ffff, /* src_mask */ 849 0x0003ffff, /* dst_mask */ 850 TRUE), /* pcrel_offset */ 851 852 HOWTO (R_MIPS_PC19_S2, /* type */ 853 2, /* rightshift */ 854 2, /* size (0 = byte, 1 = short, 2 = long) */ 855 19, /* bitsize */ 856 TRUE, /* pc_relative */ 857 0, /* bitpos */ 858 complain_overflow_signed, /* complain_on_overflow */ 859 _bfd_mips_elf_generic_reloc, /* special_function */ 860 "R_MIPS_PC19_S2", /* name */ 861 TRUE, /* partial_inplace */ 862 0x0007ffff, /* src_mask */ 863 0x0007ffff, /* dst_mask */ 864 TRUE), /* pcrel_offset */ 865 866 HOWTO (R_MIPS_PCHI16, /* type */ 867 16, /* rightshift */ 868 2, /* size (0 = byte, 1 = short, 2 = long) */ 869 16, /* bitsize */ 870 TRUE, /* pc_relative */ 871 0, /* bitpos */ 872 complain_overflow_signed, /* complain_on_overflow */ 873 _bfd_mips_elf_generic_reloc, /* special_function */ 874 "R_MIPS_PCHI16", /* name */ 875 TRUE, /* partial_inplace */ 876 0x0000ffff, /* src_mask */ 877 0x0000ffff, /* dst_mask */ 878 TRUE), /* pcrel_offset */ 879 880 HOWTO (R_MIPS_PCLO16, /* type */ 881 0, /* rightshift */ 882 2, /* size (0 = byte, 1 = short, 2 = long) */ 883 16, /* bitsize */ 884 TRUE, /* pc_relative */ 885 0, /* bitpos */ 886 complain_overflow_dont, /* complain_on_overflow */ 887 _bfd_mips_elf_generic_reloc, /* special_function */ 888 "R_MIPS_PCLO16", /* name */ 889 TRUE, /* partial_inplace */ 890 0x0000ffff, /* src_mask */ 891 0x0000ffff, /* dst_mask */ 892 TRUE), /* pcrel_offset */ 893 894 }; 895 896 /* The relocation table used for SHT_RELA sections. */ 897 898 static reloc_howto_type mips_elf64_howto_table_rela[] = 899 { 900 /* No relocation. */ 901 HOWTO (R_MIPS_NONE, /* type */ 902 0, /* rightshift */ 903 3, /* size (0 = byte, 1 = short, 2 = long) */ 904 0, /* bitsize */ 905 FALSE, /* pc_relative */ 906 0, /* bitpos */ 907 complain_overflow_dont, /* complain_on_overflow */ 908 _bfd_mips_elf_generic_reloc, /* special_function */ 909 "R_MIPS_NONE", /* name */ 910 FALSE, /* partial_inplace */ 911 0, /* src_mask */ 912 0, /* dst_mask */ 913 FALSE), /* pcrel_offset */ 914 915 /* 16 bit relocation. */ 916 HOWTO (R_MIPS_16, /* type */ 917 0, /* rightshift */ 918 2, /* size (0 = byte, 1 = short, 2 = long) */ 919 16, /* bitsize */ 920 FALSE, /* pc_relative */ 921 0, /* bitpos */ 922 complain_overflow_signed, /* complain_on_overflow */ 923 _bfd_mips_elf_generic_reloc, /* special_function */ 924 "R_MIPS_16", /* name */ 925 FALSE, /* partial_inplace */ 926 0, /* src_mask */ 927 0x0000ffff, /* dst_mask */ 928 FALSE), /* pcrel_offset */ 929 930 /* 32 bit relocation. */ 931 HOWTO (R_MIPS_32, /* type */ 932 0, /* rightshift */ 933 2, /* size (0 = byte, 1 = short, 2 = long) */ 934 32, /* bitsize */ 935 FALSE, /* pc_relative */ 936 0, /* bitpos */ 937 complain_overflow_dont, /* complain_on_overflow */ 938 _bfd_mips_elf_generic_reloc, /* special_function */ 939 "R_MIPS_32", /* name */ 940 FALSE, /* partial_inplace */ 941 0, /* src_mask */ 942 0xffffffff, /* dst_mask */ 943 FALSE), /* pcrel_offset */ 944 945 /* 32 bit symbol relative relocation. */ 946 HOWTO (R_MIPS_REL32, /* type */ 947 0, /* rightshift */ 948 2, /* size (0 = byte, 1 = short, 2 = long) */ 949 32, /* bitsize */ 950 FALSE, /* pc_relative */ 951 0, /* bitpos */ 952 complain_overflow_dont, /* complain_on_overflow */ 953 _bfd_mips_elf_generic_reloc, /* special_function */ 954 "R_MIPS_REL32", /* name */ 955 FALSE, /* partial_inplace */ 956 0, /* src_mask */ 957 0xffffffff, /* dst_mask */ 958 FALSE), /* pcrel_offset */ 959 960 /* 26 bit jump address. */ 961 HOWTO (R_MIPS_26, /* type */ 962 2, /* rightshift */ 963 2, /* size (0 = byte, 1 = short, 2 = long) */ 964 26, /* bitsize */ 965 FALSE, /* pc_relative */ 966 0, /* bitpos */ 967 complain_overflow_dont, /* complain_on_overflow */ 968 /* This needs complex overflow 969 detection, because the upper 36 970 bits must match the PC + 4. */ 971 _bfd_mips_elf_generic_reloc, /* special_function */ 972 "R_MIPS_26", /* name */ 973 FALSE, /* partial_inplace */ 974 0, /* src_mask */ 975 0x03ffffff, /* dst_mask */ 976 FALSE), /* pcrel_offset */ 977 978 /* High 16 bits of symbol value. */ 979 HOWTO (R_MIPS_HI16, /* type */ 980 0, /* rightshift */ 981 2, /* size (0 = byte, 1 = short, 2 = long) */ 982 16, /* bitsize */ 983 FALSE, /* pc_relative */ 984 0, /* bitpos */ 985 complain_overflow_dont, /* complain_on_overflow */ 986 _bfd_mips_elf_generic_reloc, /* special_function */ 987 "R_MIPS_HI16", /* name */ 988 FALSE, /* partial_inplace */ 989 0, /* src_mask */ 990 0x0000ffff, /* dst_mask */ 991 FALSE), /* pcrel_offset */ 992 993 /* Low 16 bits of symbol value. */ 994 HOWTO (R_MIPS_LO16, /* type */ 995 0, /* rightshift */ 996 2, /* size (0 = byte, 1 = short, 2 = long) */ 997 16, /* bitsize */ 998 FALSE, /* pc_relative */ 999 0, /* bitpos */ 1000 complain_overflow_dont, /* complain_on_overflow */ 1001 _bfd_mips_elf_generic_reloc, /* special_function */ 1002 "R_MIPS_LO16", /* name */ 1003 FALSE, /* partial_inplace */ 1004 0, /* src_mask */ 1005 0x0000ffff, /* dst_mask */ 1006 FALSE), /* pcrel_offset */ 1007 1008 /* GP relative reference. */ 1009 HOWTO (R_MIPS_GPREL16, /* type */ 1010 0, /* rightshift */ 1011 2, /* size (0 = byte, 1 = short, 2 = long) */ 1012 16, /* bitsize */ 1013 FALSE, /* pc_relative */ 1014 0, /* bitpos */ 1015 complain_overflow_signed, /* complain_on_overflow */ 1016 mips_elf64_gprel16_reloc, /* special_function */ 1017 "R_MIPS_GPREL16", /* name */ 1018 FALSE, /* partial_inplace */ 1019 0, /* src_mask */ 1020 0x0000ffff, /* dst_mask */ 1021 FALSE), /* pcrel_offset */ 1022 1023 /* Reference to literal section. */ 1024 HOWTO (R_MIPS_LITERAL, /* type */ 1025 0, /* rightshift */ 1026 2, /* size (0 = byte, 1 = short, 2 = long) */ 1027 16, /* bitsize */ 1028 FALSE, /* pc_relative */ 1029 0, /* bitpos */ 1030 complain_overflow_signed, /* complain_on_overflow */ 1031 mips_elf64_literal_reloc, /* special_function */ 1032 "R_MIPS_LITERAL", /* name */ 1033 FALSE, /* partial_inplace */ 1034 0, /* src_mask */ 1035 0x0000ffff, /* dst_mask */ 1036 FALSE), /* pcrel_offset */ 1037 1038 /* Reference to global offset table. */ 1039 HOWTO (R_MIPS_GOT16, /* type */ 1040 0, /* rightshift */ 1041 2, /* size (0 = byte, 1 = short, 2 = long) */ 1042 16, /* bitsize */ 1043 FALSE, /* pc_relative */ 1044 0, /* bitpos */ 1045 complain_overflow_signed, /* complain_on_overflow */ 1046 _bfd_mips_elf_generic_reloc, /* special_function */ 1047 "R_MIPS_GOT16", /* name */ 1048 FALSE, /* partial_inplace */ 1049 0, /* src_mask */ 1050 0x0000ffff, /* dst_mask */ 1051 FALSE), /* pcrel_offset */ 1052 1053 /* 16 bit PC relative reference. Note that the ABI document has a typo 1054 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. 1055 We do the right thing here. */ 1056 HOWTO (R_MIPS_PC16, /* type */ 1057 2, /* rightshift */ 1058 2, /* size (0 = byte, 1 = short, 2 = long) */ 1059 16, /* bitsize */ 1060 TRUE, /* pc_relative */ 1061 0, /* bitpos */ 1062 complain_overflow_signed, /* complain_on_overflow */ 1063 _bfd_mips_elf_generic_reloc, /* special_function */ 1064 "R_MIPS_PC16", /* name */ 1065 FALSE, /* partial_inplace */ 1066 0, /* src_mask */ 1067 0x0000ffff, /* dst_mask */ 1068 TRUE), /* pcrel_offset */ 1069 1070 /* 16 bit call through global offset table. */ 1071 HOWTO (R_MIPS_CALL16, /* type */ 1072 0, /* rightshift */ 1073 2, /* size (0 = byte, 1 = short, 2 = long) */ 1074 16, /* bitsize */ 1075 FALSE, /* pc_relative */ 1076 0, /* bitpos */ 1077 complain_overflow_signed, /* complain_on_overflow */ 1078 _bfd_mips_elf_generic_reloc, /* special_function */ 1079 "R_MIPS_CALL16", /* name */ 1080 FALSE, /* partial_inplace */ 1081 0, /* src_mask */ 1082 0x0000ffff, /* dst_mask */ 1083 FALSE), /* pcrel_offset */ 1084 1085 /* 32 bit GP relative reference. */ 1086 HOWTO (R_MIPS_GPREL32, /* type */ 1087 0, /* rightshift */ 1088 2, /* size (0 = byte, 1 = short, 2 = long) */ 1089 32, /* bitsize */ 1090 FALSE, /* pc_relative */ 1091 0, /* bitpos */ 1092 complain_overflow_dont, /* complain_on_overflow */ 1093 mips_elf64_gprel32_reloc, /* special_function */ 1094 "R_MIPS_GPREL32", /* name */ 1095 FALSE, /* partial_inplace */ 1096 0, /* src_mask */ 1097 0xffffffff, /* dst_mask */ 1098 FALSE), /* pcrel_offset */ 1099 1100 EMPTY_HOWTO (13), 1101 EMPTY_HOWTO (14), 1102 EMPTY_HOWTO (15), 1103 1104 /* A 5 bit shift field. */ 1105 HOWTO (R_MIPS_SHIFT5, /* type */ 1106 0, /* rightshift */ 1107 2, /* size (0 = byte, 1 = short, 2 = long) */ 1108 5, /* bitsize */ 1109 FALSE, /* pc_relative */ 1110 6, /* bitpos */ 1111 complain_overflow_bitfield, /* complain_on_overflow */ 1112 _bfd_mips_elf_generic_reloc, /* special_function */ 1113 "R_MIPS_SHIFT5", /* name */ 1114 FALSE, /* partial_inplace */ 1115 0, /* src_mask */ 1116 0x000007c0, /* dst_mask */ 1117 FALSE), /* pcrel_offset */ 1118 1119 /* A 6 bit shift field. */ 1120 HOWTO (R_MIPS_SHIFT6, /* type */ 1121 0, /* rightshift */ 1122 2, /* size (0 = byte, 1 = short, 2 = long) */ 1123 6, /* bitsize */ 1124 FALSE, /* pc_relative */ 1125 6, /* bitpos */ 1126 complain_overflow_bitfield, /* complain_on_overflow */ 1127 mips_elf64_shift6_reloc, /* special_function */ 1128 "R_MIPS_SHIFT6", /* name */ 1129 FALSE, /* partial_inplace */ 1130 0, /* src_mask */ 1131 0x000007c4, /* dst_mask */ 1132 FALSE), /* pcrel_offset */ 1133 1134 /* 64 bit relocation. */ 1135 HOWTO (R_MIPS_64, /* type */ 1136 0, /* rightshift */ 1137 4, /* size (0 = byte, 1 = short, 2 = long) */ 1138 64, /* bitsize */ 1139 FALSE, /* pc_relative */ 1140 0, /* bitpos */ 1141 complain_overflow_dont, /* complain_on_overflow */ 1142 _bfd_mips_elf_generic_reloc, /* special_function */ 1143 "R_MIPS_64", /* name */ 1144 FALSE, /* partial_inplace */ 1145 0, /* src_mask */ 1146 MINUS_ONE, /* dst_mask */ 1147 FALSE), /* pcrel_offset */ 1148 1149 /* Displacement in the global offset table. */ 1150 HOWTO (R_MIPS_GOT_DISP, /* type */ 1151 0, /* rightshift */ 1152 2, /* size (0 = byte, 1 = short, 2 = long) */ 1153 16, /* bitsize */ 1154 FALSE, /* pc_relative */ 1155 0, /* bitpos */ 1156 complain_overflow_signed, /* complain_on_overflow */ 1157 _bfd_mips_elf_generic_reloc, /* special_function */ 1158 "R_MIPS_GOT_DISP", /* name */ 1159 FALSE, /* partial_inplace */ 1160 0, /* src_mask */ 1161 0x0000ffff, /* dst_mask */ 1162 FALSE), /* pcrel_offset */ 1163 1164 /* Displacement to page pointer in the global offset table. */ 1165 HOWTO (R_MIPS_GOT_PAGE, /* type */ 1166 0, /* rightshift */ 1167 2, /* size (0 = byte, 1 = short, 2 = long) */ 1168 16, /* bitsize */ 1169 FALSE, /* pc_relative */ 1170 0, /* bitpos */ 1171 complain_overflow_signed, /* complain_on_overflow */ 1172 _bfd_mips_elf_generic_reloc, /* special_function */ 1173 "R_MIPS_GOT_PAGE", /* name */ 1174 FALSE, /* partial_inplace */ 1175 0, /* src_mask */ 1176 0x0000ffff, /* dst_mask */ 1177 FALSE), /* pcrel_offset */ 1178 1179 /* Offset from page pointer in the global offset table. */ 1180 HOWTO (R_MIPS_GOT_OFST, /* type */ 1181 0, /* rightshift */ 1182 2, /* size (0 = byte, 1 = short, 2 = long) */ 1183 16, /* bitsize */ 1184 FALSE, /* pc_relative */ 1185 0, /* bitpos */ 1186 complain_overflow_signed, /* complain_on_overflow */ 1187 _bfd_mips_elf_generic_reloc, /* special_function */ 1188 "R_MIPS_GOT_OFST", /* name */ 1189 FALSE, /* partial_inplace */ 1190 0, /* src_mask */ 1191 0x0000ffff, /* dst_mask */ 1192 FALSE), /* pcrel_offset */ 1193 1194 /* High 16 bits of displacement in global offset table. */ 1195 HOWTO (R_MIPS_GOT_HI16, /* type */ 1196 0, /* rightshift */ 1197 2, /* size (0 = byte, 1 = short, 2 = long) */ 1198 16, /* bitsize */ 1199 FALSE, /* pc_relative */ 1200 0, /* bitpos */ 1201 complain_overflow_dont, /* complain_on_overflow */ 1202 _bfd_mips_elf_generic_reloc, /* special_function */ 1203 "R_MIPS_GOT_HI16", /* name */ 1204 FALSE, /* partial_inplace */ 1205 0, /* src_mask */ 1206 0x0000ffff, /* dst_mask */ 1207 FALSE), /* pcrel_offset */ 1208 1209 /* Low 16 bits of displacement in global offset table. */ 1210 HOWTO (R_MIPS_GOT_LO16, /* type */ 1211 0, /* rightshift */ 1212 2, /* size (0 = byte, 1 = short, 2 = long) */ 1213 16, /* bitsize */ 1214 FALSE, /* pc_relative */ 1215 0, /* bitpos */ 1216 complain_overflow_dont, /* complain_on_overflow */ 1217 _bfd_mips_elf_generic_reloc, /* special_function */ 1218 "R_MIPS_GOT_LO16", /* name */ 1219 FALSE, /* partial_inplace */ 1220 0, /* src_mask */ 1221 0x0000ffff, /* dst_mask */ 1222 FALSE), /* pcrel_offset */ 1223 1224 /* 64 bit subtraction. */ 1225 HOWTO (R_MIPS_SUB, /* type */ 1226 0, /* rightshift */ 1227 4, /* size (0 = byte, 1 = short, 2 = long) */ 1228 64, /* bitsize */ 1229 FALSE, /* pc_relative */ 1230 0, /* bitpos */ 1231 complain_overflow_dont, /* complain_on_overflow */ 1232 _bfd_mips_elf_generic_reloc, /* special_function */ 1233 "R_MIPS_SUB", /* name */ 1234 FALSE, /* partial_inplace */ 1235 0, /* src_mask */ 1236 MINUS_ONE, /* dst_mask */ 1237 FALSE), /* pcrel_offset */ 1238 1239 /* Insert the addend as an instruction. */ 1240 /* FIXME: Not handled correctly. */ 1241 HOWTO (R_MIPS_INSERT_A, /* type */ 1242 0, /* rightshift */ 1243 2, /* size (0 = byte, 1 = short, 2 = long) */ 1244 32, /* bitsize */ 1245 FALSE, /* pc_relative */ 1246 0, /* bitpos */ 1247 complain_overflow_dont, /* complain_on_overflow */ 1248 _bfd_mips_elf_generic_reloc, /* special_function */ 1249 "R_MIPS_INSERT_A", /* name */ 1250 FALSE, /* partial_inplace */ 1251 0, /* src_mask */ 1252 0xffffffff, /* dst_mask */ 1253 FALSE), /* pcrel_offset */ 1254 1255 /* Insert the addend as an instruction, and change all relocations 1256 to refer to the old instruction at the address. */ 1257 /* FIXME: Not handled correctly. */ 1258 HOWTO (R_MIPS_INSERT_B, /* type */ 1259 0, /* rightshift */ 1260 2, /* size (0 = byte, 1 = short, 2 = long) */ 1261 32, /* bitsize */ 1262 FALSE, /* pc_relative */ 1263 0, /* bitpos */ 1264 complain_overflow_dont, /* complain_on_overflow */ 1265 _bfd_mips_elf_generic_reloc, /* special_function */ 1266 "R_MIPS_INSERT_B", /* name */ 1267 FALSE, /* partial_inplace */ 1268 0, /* src_mask */ 1269 0xffffffff, /* dst_mask */ 1270 FALSE), /* pcrel_offset */ 1271 1272 /* Delete a 32 bit instruction. */ 1273 /* FIXME: Not handled correctly. */ 1274 HOWTO (R_MIPS_DELETE, /* type */ 1275 0, /* rightshift */ 1276 2, /* size (0 = byte, 1 = short, 2 = long) */ 1277 32, /* bitsize */ 1278 FALSE, /* pc_relative */ 1279 0, /* bitpos */ 1280 complain_overflow_dont, /* complain_on_overflow */ 1281 _bfd_mips_elf_generic_reloc, /* special_function */ 1282 "R_MIPS_DELETE", /* name */ 1283 FALSE, /* partial_inplace */ 1284 0, /* src_mask */ 1285 0xffffffff, /* dst_mask */ 1286 FALSE), /* pcrel_offset */ 1287 1288 /* Get the higher value of a 64 bit addend. */ 1289 HOWTO (R_MIPS_HIGHER, /* type */ 1290 0, /* rightshift */ 1291 2, /* size (0 = byte, 1 = short, 2 = long) */ 1292 16, /* bitsize */ 1293 FALSE, /* pc_relative */ 1294 0, /* bitpos */ 1295 complain_overflow_dont, /* complain_on_overflow */ 1296 _bfd_mips_elf_generic_reloc, /* special_function */ 1297 "R_MIPS_HIGHER", /* name */ 1298 FALSE, /* partial_inplace */ 1299 0, /* src_mask */ 1300 0x0000ffff, /* dst_mask */ 1301 FALSE), /* pcrel_offset */ 1302 1303 /* Get the highest value of a 64 bit addend. */ 1304 HOWTO (R_MIPS_HIGHEST, /* type */ 1305 0, /* rightshift */ 1306 2, /* size (0 = byte, 1 = short, 2 = long) */ 1307 16, /* bitsize */ 1308 FALSE, /* pc_relative */ 1309 0, /* bitpos */ 1310 complain_overflow_dont, /* complain_on_overflow */ 1311 _bfd_mips_elf_generic_reloc, /* special_function */ 1312 "R_MIPS_HIGHEST", /* name */ 1313 FALSE, /* partial_inplace */ 1314 0, /* src_mask */ 1315 0x0000ffff, /* dst_mask */ 1316 FALSE), /* pcrel_offset */ 1317 1318 /* High 16 bits of displacement in global offset table. */ 1319 HOWTO (R_MIPS_CALL_HI16, /* type */ 1320 0, /* rightshift */ 1321 2, /* size (0 = byte, 1 = short, 2 = long) */ 1322 16, /* bitsize */ 1323 FALSE, /* pc_relative */ 1324 0, /* bitpos */ 1325 complain_overflow_dont, /* complain_on_overflow */ 1326 _bfd_mips_elf_generic_reloc, /* special_function */ 1327 "R_MIPS_CALL_HI16", /* name */ 1328 FALSE, /* partial_inplace */ 1329 0, /* src_mask */ 1330 0x0000ffff, /* dst_mask */ 1331 FALSE), /* pcrel_offset */ 1332 1333 /* Low 16 bits of displacement in global offset table. */ 1334 HOWTO (R_MIPS_CALL_LO16, /* type */ 1335 0, /* rightshift */ 1336 2, /* size (0 = byte, 1 = short, 2 = long) */ 1337 16, /* bitsize */ 1338 FALSE, /* pc_relative */ 1339 0, /* bitpos */ 1340 complain_overflow_dont, /* complain_on_overflow */ 1341 _bfd_mips_elf_generic_reloc, /* special_function */ 1342 "R_MIPS_CALL_LO16", /* name */ 1343 FALSE, /* partial_inplace */ 1344 0, /* src_mask */ 1345 0x0000ffff, /* dst_mask */ 1346 FALSE), /* pcrel_offset */ 1347 1348 /* Section displacement, used by an associated event location section. */ 1349 HOWTO (R_MIPS_SCN_DISP, /* type */ 1350 0, /* rightshift */ 1351 2, /* size (0 = byte, 1 = short, 2 = long) */ 1352 32, /* bitsize */ 1353 FALSE, /* pc_relative */ 1354 0, /* bitpos */ 1355 complain_overflow_dont, /* complain_on_overflow */ 1356 _bfd_mips_elf_generic_reloc, /* special_function */ 1357 "R_MIPS_SCN_DISP", /* name */ 1358 FALSE, /* partial_inplace */ 1359 0, /* src_mask */ 1360 0xffffffff, /* dst_mask */ 1361 FALSE), /* pcrel_offset */ 1362 1363 HOWTO (R_MIPS_REL16, /* type */ 1364 0, /* rightshift */ 1365 1, /* size (0 = byte, 1 = short, 2 = long) */ 1366 16, /* bitsize */ 1367 FALSE, /* pc_relative */ 1368 0, /* bitpos */ 1369 complain_overflow_signed, /* complain_on_overflow */ 1370 _bfd_mips_elf_generic_reloc, /* special_function */ 1371 "R_MIPS_REL16", /* name */ 1372 FALSE, /* partial_inplace */ 1373 0, /* src_mask */ 1374 0xffff, /* dst_mask */ 1375 FALSE), /* pcrel_offset */ 1376 1377 /* These two are obsolete. */ 1378 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), 1379 EMPTY_HOWTO (R_MIPS_PJUMP), 1380 1381 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. 1382 It must be used for multigot GOT's (and only there). */ 1383 HOWTO (R_MIPS_RELGOT, /* type */ 1384 0, /* rightshift */ 1385 2, /* size (0 = byte, 1 = short, 2 = long) */ 1386 32, /* bitsize */ 1387 FALSE, /* pc_relative */ 1388 0, /* bitpos */ 1389 complain_overflow_dont, /* complain_on_overflow */ 1390 _bfd_mips_elf_generic_reloc, /* special_function */ 1391 "R_MIPS_RELGOT", /* name */ 1392 FALSE, /* partial_inplace */ 1393 0, /* src_mask */ 1394 0xffffffff, /* dst_mask */ 1395 FALSE), /* pcrel_offset */ 1396 1397 /* Protected jump conversion. This is an optimization hint. No 1398 relocation is required for correctness. */ 1399 HOWTO (R_MIPS_JALR, /* type */ 1400 0, /* rightshift */ 1401 2, /* size (0 = byte, 1 = short, 2 = long) */ 1402 32, /* bitsize */ 1403 FALSE, /* pc_relative */ 1404 0, /* bitpos */ 1405 complain_overflow_dont, /* complain_on_overflow */ 1406 _bfd_mips_elf_generic_reloc, /* special_function */ 1407 "R_MIPS_JALR", /* name */ 1408 FALSE, /* partial_inplace */ 1409 0, /* src_mask */ 1410 0x00000000, /* dst_mask */ 1411 FALSE), /* pcrel_offset */ 1412 1413 /* TLS relocations. */ 1414 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD32), 1415 EMPTY_HOWTO (R_MIPS_TLS_DTPREL32), 1416 1417 HOWTO (R_MIPS_TLS_DTPMOD64, /* type */ 1418 0, /* rightshift */ 1419 4, /* size (0 = byte, 1 = short, 2 = long) */ 1420 64, /* bitsize */ 1421 FALSE, /* pc_relative */ 1422 0, /* bitpos */ 1423 complain_overflow_dont, /* complain_on_overflow */ 1424 _bfd_mips_elf_generic_reloc, /* special_function */ 1425 "R_MIPS_TLS_DTPMOD64", /* name */ 1426 FALSE, /* partial_inplace */ 1427 0, /* src_mask */ 1428 MINUS_ONE, /* dst_mask */ 1429 FALSE), /* pcrel_offset */ 1430 1431 HOWTO (R_MIPS_TLS_DTPREL64, /* type */ 1432 0, /* rightshift */ 1433 4, /* size (0 = byte, 1 = short, 2 = long) */ 1434 64, /* bitsize */ 1435 FALSE, /* pc_relative */ 1436 0, /* bitpos */ 1437 complain_overflow_dont, /* complain_on_overflow */ 1438 _bfd_mips_elf_generic_reloc, /* special_function */ 1439 "R_MIPS_TLS_DTPREL64", /* name */ 1440 FALSE, /* partial_inplace */ 1441 0, /* src_mask */ 1442 MINUS_ONE, /* dst_mask */ 1443 FALSE), /* pcrel_offset */ 1444 1445 /* TLS general dynamic variable reference. */ 1446 HOWTO (R_MIPS_TLS_GD, /* type */ 1447 0, /* rightshift */ 1448 2, /* size (0 = byte, 1 = short, 2 = long) */ 1449 16, /* bitsize */ 1450 FALSE, /* pc_relative */ 1451 0, /* bitpos */ 1452 complain_overflow_signed, /* complain_on_overflow */ 1453 _bfd_mips_elf_generic_reloc, /* special_function */ 1454 "R_MIPS_TLS_GD", /* name */ 1455 FALSE, /* partial_inplace */ 1456 0, /* src_mask */ 1457 0x0000ffff, /* dst_mask */ 1458 FALSE), /* pcrel_offset */ 1459 1460 /* TLS local dynamic variable reference. */ 1461 HOWTO (R_MIPS_TLS_LDM, /* type */ 1462 0, /* rightshift */ 1463 2, /* size (0 = byte, 1 = short, 2 = long) */ 1464 16, /* bitsize */ 1465 FALSE, /* pc_relative */ 1466 0, /* bitpos */ 1467 complain_overflow_signed, /* complain_on_overflow */ 1468 _bfd_mips_elf_generic_reloc, /* special_function */ 1469 "R_MIPS_TLS_LDM", /* name */ 1470 FALSE, /* partial_inplace */ 1471 0, /* src_mask */ 1472 0x0000ffff, /* dst_mask */ 1473 FALSE), /* pcrel_offset */ 1474 1475 /* TLS local dynamic offset. */ 1476 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ 1477 0, /* rightshift */ 1478 2, /* size (0 = byte, 1 = short, 2 = long) */ 1479 16, /* bitsize */ 1480 FALSE, /* pc_relative */ 1481 0, /* bitpos */ 1482 complain_overflow_signed, /* complain_on_overflow */ 1483 _bfd_mips_elf_generic_reloc, /* special_function */ 1484 "R_MIPS_TLS_DTPREL_HI16", /* name */ 1485 FALSE, /* partial_inplace */ 1486 0, /* src_mask */ 1487 0x0000ffff, /* dst_mask */ 1488 FALSE), /* pcrel_offset */ 1489 1490 /* TLS local dynamic offset. */ 1491 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ 1492 0, /* rightshift */ 1493 2, /* size (0 = byte, 1 = short, 2 = long) */ 1494 16, /* bitsize */ 1495 FALSE, /* pc_relative */ 1496 0, /* bitpos */ 1497 complain_overflow_signed, /* complain_on_overflow */ 1498 _bfd_mips_elf_generic_reloc, /* special_function */ 1499 "R_MIPS_TLS_DTPREL_LO16", /* name */ 1500 FALSE, /* partial_inplace */ 1501 0, /* src_mask */ 1502 0x0000ffff, /* dst_mask */ 1503 FALSE), /* pcrel_offset */ 1504 1505 /* TLS thread pointer offset. */ 1506 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ 1507 0, /* rightshift */ 1508 2, /* size (0 = byte, 1 = short, 2 = long) */ 1509 16, /* bitsize */ 1510 FALSE, /* pc_relative */ 1511 0, /* bitpos */ 1512 complain_overflow_signed, /* complain_on_overflow */ 1513 _bfd_mips_elf_generic_reloc, /* special_function */ 1514 "R_MIPS_TLS_GOTTPREL", /* name */ 1515 FALSE, /* partial_inplace */ 1516 0, /* src_mask */ 1517 0x0000ffff, /* dst_mask */ 1518 FALSE), /* pcrel_offset */ 1519 1520 /* TLS IE dynamic relocations. */ 1521 EMPTY_HOWTO (R_MIPS_TLS_TPREL32), 1522 1523 HOWTO (R_MIPS_TLS_TPREL64, /* type */ 1524 0, /* rightshift */ 1525 4, /* size (0 = byte, 1 = short, 2 = long) */ 1526 64, /* bitsize */ 1527 FALSE, /* pc_relative */ 1528 0, /* bitpos */ 1529 complain_overflow_dont, /* complain_on_overflow */ 1530 _bfd_mips_elf_generic_reloc, /* special_function */ 1531 "R_MIPS_TLS_TPREL64", /* name */ 1532 FALSE, /* partial_inplace */ 1533 0, /* src_mask */ 1534 MINUS_ONE, /* dst_mask */ 1535 FALSE), /* pcrel_offset */ 1536 1537 /* TLS thread pointer offset. */ 1538 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ 1539 0, /* rightshift */ 1540 2, /* size (0 = byte, 1 = short, 2 = long) */ 1541 16, /* bitsize */ 1542 FALSE, /* pc_relative */ 1543 0, /* bitpos */ 1544 complain_overflow_signed, /* complain_on_overflow */ 1545 _bfd_mips_elf_generic_reloc, /* special_function */ 1546 "R_MIPS_TLS_TPREL_HI16", /* name */ 1547 FALSE, /* partial_inplace */ 1548 0, /* src_mask */ 1549 0x0000ffff, /* dst_mask */ 1550 FALSE), /* pcrel_offset */ 1551 1552 /* TLS thread pointer offset. */ 1553 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ 1554 0, /* rightshift */ 1555 2, /* size (0 = byte, 1 = short, 2 = long) */ 1556 16, /* bitsize */ 1557 FALSE, /* pc_relative */ 1558 0, /* bitpos */ 1559 complain_overflow_signed, /* complain_on_overflow */ 1560 _bfd_mips_elf_generic_reloc, /* special_function */ 1561 "R_MIPS_TLS_TPREL_LO16", /* name */ 1562 FALSE, /* partial_inplace */ 1563 0, /* src_mask */ 1564 0x0000ffff, /* dst_mask */ 1565 FALSE), /* pcrel_offset */ 1566 1567 /* 32 bit relocation with no addend. */ 1568 HOWTO (R_MIPS_GLOB_DAT, /* type */ 1569 0, /* rightshift */ 1570 2, /* size (0 = byte, 1 = short, 2 = long) */ 1571 32, /* bitsize */ 1572 FALSE, /* pc_relative */ 1573 0, /* bitpos */ 1574 complain_overflow_dont, /* complain_on_overflow */ 1575 _bfd_mips_elf_generic_reloc, /* special_function */ 1576 "R_MIPS_GLOB_DAT", /* name */ 1577 FALSE, /* partial_inplace */ 1578 0x0, /* src_mask */ 1579 0xffffffff, /* dst_mask */ 1580 FALSE), /* pcrel_offset */ 1581 1582 EMPTY_HOWTO (52), 1583 EMPTY_HOWTO (53), 1584 EMPTY_HOWTO (54), 1585 EMPTY_HOWTO (55), 1586 EMPTY_HOWTO (56), 1587 EMPTY_HOWTO (57), 1588 EMPTY_HOWTO (58), 1589 EMPTY_HOWTO (59), 1590 1591 HOWTO (R_MIPS_PC21_S2, /* type */ 1592 2, /* rightshift */ 1593 2, /* size (0 = byte, 1 = short, 2 = long) */ 1594 21, /* bitsize */ 1595 TRUE, /* pc_relative */ 1596 0, /* bitpos */ 1597 complain_overflow_signed, /* complain_on_overflow */ 1598 _bfd_mips_elf_generic_reloc, /* special_function */ 1599 "R_MIPS_PC21_S2", /* name */ 1600 FALSE, /* partial_inplace */ 1601 0, /* src_mask */ 1602 0x001fffff, /* dst_mask */ 1603 TRUE), /* pcrel_offset */ 1604 1605 HOWTO (R_MIPS_PC26_S2, /* type */ 1606 2, /* rightshift */ 1607 2, /* size (0 = byte, 1 = short, 2 = long) */ 1608 26, /* bitsize */ 1609 TRUE, /* pc_relative */ 1610 0, /* bitpos */ 1611 complain_overflow_signed, /* complain_on_overflow */ 1612 _bfd_mips_elf_generic_reloc, /* special_function */ 1613 "R_MIPS_PC26_S2", /* name */ 1614 FALSE, /* partial_inplace */ 1615 0, /* src_mask */ 1616 0x03ffffff, /* dst_mask */ 1617 TRUE), /* pcrel_offset */ 1618 1619 HOWTO (R_MIPS_PC18_S3, /* type */ 1620 3, /* rightshift */ 1621 2, /* size (0 = byte, 1 = short, 2 = long) */ 1622 18, /* bitsize */ 1623 TRUE, /* pc_relative */ 1624 0, /* bitpos */ 1625 complain_overflow_signed, /* complain_on_overflow */ 1626 _bfd_mips_elf_generic_reloc, /* special_function */ 1627 "R_MIPS_PC18_S3", /* name */ 1628 FALSE, /* partial_inplace */ 1629 0, /* src_mask */ 1630 0x0003ffff, /* dst_mask */ 1631 TRUE), /* pcrel_offset */ 1632 1633 HOWTO (R_MIPS_PC19_S2, /* type */ 1634 2, /* rightshift */ 1635 2, /* size (0 = byte, 1 = short, 2 = long) */ 1636 19, /* bitsize */ 1637 TRUE, /* pc_relative */ 1638 0, /* bitpos */ 1639 complain_overflow_signed, /* complain_on_overflow */ 1640 _bfd_mips_elf_generic_reloc, /* special_function */ 1641 "R_MIPS_PC19_S2", /* name */ 1642 FALSE, /* partial_inplace */ 1643 0, /* src_mask */ 1644 0x0007ffff, /* dst_mask */ 1645 TRUE), /* pcrel_offset */ 1646 1647 HOWTO (R_MIPS_PCHI16, /* type */ 1648 16, /* rightshift */ 1649 2, /* size (0 = byte, 1 = short, 2 = long) */ 1650 16, /* bitsize */ 1651 TRUE, /* pc_relative */ 1652 0, /* bitpos */ 1653 complain_overflow_signed, /* complain_on_overflow */ 1654 _bfd_mips_elf_generic_reloc, /* special_function */ 1655 "R_MIPS_PCHI16", /* name */ 1656 FALSE, /* partial_inplace */ 1657 0, /* src_mask */ 1658 0x0000ffff, /* dst_mask */ 1659 TRUE), /* pcrel_offset */ 1660 1661 HOWTO (R_MIPS_PCLO16, /* type */ 1662 0, /* rightshift */ 1663 2, /* size (0 = byte, 1 = short, 2 = long) */ 1664 16, /* bitsize */ 1665 TRUE, /* pc_relative */ 1666 0, /* bitpos */ 1667 complain_overflow_dont, /* complain_on_overflow */ 1668 _bfd_mips_elf_generic_reloc, /* special_function */ 1669 "R_MIPS_PCLO16", /* name */ 1670 FALSE, /* partial_inplace */ 1671 0, /* src_mask */ 1672 0x0000ffff, /* dst_mask */ 1673 TRUE), /* pcrel_offset */ 1674 1675 }; 1676 1677 static reloc_howto_type mips16_elf64_howto_table_rel[] = 1678 { 1679 /* The reloc used for the mips16 jump instruction. */ 1680 HOWTO (R_MIPS16_26, /* type */ 1681 2, /* rightshift */ 1682 2, /* size (0 = byte, 1 = short, 2 = long) */ 1683 26, /* bitsize */ 1684 FALSE, /* pc_relative */ 1685 0, /* bitpos */ 1686 complain_overflow_dont, /* complain_on_overflow */ 1687 /* This needs complex overflow 1688 detection, because the upper four 1689 bits must match the PC. */ 1690 _bfd_mips_elf_generic_reloc, /* special_function */ 1691 "R_MIPS16_26", /* name */ 1692 TRUE, /* partial_inplace */ 1693 0x3ffffff, /* src_mask */ 1694 0x3ffffff, /* dst_mask */ 1695 FALSE), /* pcrel_offset */ 1696 1697 /* The reloc used for the mips16 gprel instruction. */ 1698 HOWTO (R_MIPS16_GPREL, /* type */ 1699 0, /* rightshift */ 1700 2, /* size (0 = byte, 1 = short, 2 = long) */ 1701 16, /* bitsize */ 1702 FALSE, /* pc_relative */ 1703 0, /* bitpos */ 1704 complain_overflow_signed, /* complain_on_overflow */ 1705 mips16_gprel_reloc, /* special_function */ 1706 "R_MIPS16_GPREL", /* name */ 1707 TRUE, /* partial_inplace */ 1708 0x0000ffff, /* src_mask */ 1709 0x0000ffff, /* dst_mask */ 1710 FALSE), /* pcrel_offset */ 1711 1712 /* A MIPS16 reference to the global offset table. */ 1713 HOWTO (R_MIPS16_GOT16, /* type */ 1714 0, /* rightshift */ 1715 2, /* size (0 = byte, 1 = short, 2 = long) */ 1716 16, /* bitsize */ 1717 FALSE, /* pc_relative */ 1718 0, /* bitpos */ 1719 complain_overflow_dont, /* complain_on_overflow */ 1720 _bfd_mips_elf_got16_reloc, /* special_function */ 1721 "R_MIPS16_GOT16", /* name */ 1722 TRUE, /* partial_inplace */ 1723 0x0000ffff, /* src_mask */ 1724 0x0000ffff, /* dst_mask */ 1725 FALSE), /* pcrel_offset */ 1726 1727 /* A MIPS16 call through the global offset table. */ 1728 HOWTO (R_MIPS16_CALL16, /* type */ 1729 0, /* rightshift */ 1730 2, /* size (0 = byte, 1 = short, 2 = long) */ 1731 16, /* bitsize */ 1732 FALSE, /* pc_relative */ 1733 0, /* bitpos */ 1734 complain_overflow_dont, /* complain_on_overflow */ 1735 _bfd_mips_elf_generic_reloc, /* special_function */ 1736 "R_MIPS16_CALL16", /* name */ 1737 TRUE, /* partial_inplace */ 1738 0x0000ffff, /* src_mask */ 1739 0x0000ffff, /* dst_mask */ 1740 FALSE), /* pcrel_offset */ 1741 1742 /* MIPS16 high 16 bits of symbol value. */ 1743 HOWTO (R_MIPS16_HI16, /* type */ 1744 16, /* rightshift */ 1745 2, /* size (0 = byte, 1 = short, 2 = long) */ 1746 16, /* bitsize */ 1747 FALSE, /* pc_relative */ 1748 0, /* bitpos */ 1749 complain_overflow_dont, /* complain_on_overflow */ 1750 _bfd_mips_elf_hi16_reloc, /* special_function */ 1751 "R_MIPS16_HI16", /* name */ 1752 TRUE, /* partial_inplace */ 1753 0x0000ffff, /* src_mask */ 1754 0x0000ffff, /* dst_mask */ 1755 FALSE), /* pcrel_offset */ 1756 1757 /* MIPS16 low 16 bits of symbol value. */ 1758 HOWTO (R_MIPS16_LO16, /* type */ 1759 0, /* rightshift */ 1760 2, /* size (0 = byte, 1 = short, 2 = long) */ 1761 16, /* bitsize */ 1762 FALSE, /* pc_relative */ 1763 0, /* bitpos */ 1764 complain_overflow_dont, /* complain_on_overflow */ 1765 _bfd_mips_elf_lo16_reloc, /* special_function */ 1766 "R_MIPS16_LO16", /* name */ 1767 TRUE, /* partial_inplace */ 1768 0x0000ffff, /* src_mask */ 1769 0x0000ffff, /* dst_mask */ 1770 FALSE), /* pcrel_offset */ 1771 1772 /* MIPS16 TLS general dynamic variable reference. */ 1773 HOWTO (R_MIPS16_TLS_GD, /* type */ 1774 0, /* rightshift */ 1775 2, /* size (0 = byte, 1 = short, 2 = long) */ 1776 16, /* bitsize */ 1777 FALSE, /* pc_relative */ 1778 0, /* bitpos */ 1779 complain_overflow_signed, /* complain_on_overflow */ 1780 _bfd_mips_elf_generic_reloc, /* special_function */ 1781 "R_MIPS16_TLS_GD", /* name */ 1782 TRUE, /* partial_inplace */ 1783 0x0000ffff, /* src_mask */ 1784 0x0000ffff, /* dst_mask */ 1785 FALSE), /* pcrel_offset */ 1786 1787 /* MIPS16 TLS local dynamic variable reference. */ 1788 HOWTO (R_MIPS16_TLS_LDM, /* type */ 1789 0, /* rightshift */ 1790 2, /* size (0 = byte, 1 = short, 2 = long) */ 1791 16, /* bitsize */ 1792 FALSE, /* pc_relative */ 1793 0, /* bitpos */ 1794 complain_overflow_signed, /* complain_on_overflow */ 1795 _bfd_mips_elf_generic_reloc, /* special_function */ 1796 "R_MIPS16_TLS_LDM", /* name */ 1797 TRUE, /* partial_inplace */ 1798 0x0000ffff, /* src_mask */ 1799 0x0000ffff, /* dst_mask */ 1800 FALSE), /* pcrel_offset */ 1801 1802 /* MIPS16 TLS local dynamic offset. */ 1803 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 1804 0, /* rightshift */ 1805 2, /* size (0 = byte, 1 = short, 2 = long) */ 1806 16, /* bitsize */ 1807 FALSE, /* pc_relative */ 1808 0, /* bitpos */ 1809 complain_overflow_signed, /* complain_on_overflow */ 1810 _bfd_mips_elf_generic_reloc, /* special_function */ 1811 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 1812 TRUE, /* partial_inplace */ 1813 0x0000ffff, /* src_mask */ 1814 0x0000ffff, /* dst_mask */ 1815 FALSE), /* pcrel_offset */ 1816 1817 /* MIPS16 TLS local dynamic offset. */ 1818 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 1819 0, /* rightshift */ 1820 2, /* size (0 = byte, 1 = short, 2 = long) */ 1821 16, /* bitsize */ 1822 FALSE, /* pc_relative */ 1823 0, /* bitpos */ 1824 complain_overflow_signed, /* complain_on_overflow */ 1825 _bfd_mips_elf_generic_reloc, /* special_function */ 1826 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 1827 TRUE, /* partial_inplace */ 1828 0x0000ffff, /* src_mask */ 1829 0x0000ffff, /* dst_mask */ 1830 FALSE), /* pcrel_offset */ 1831 1832 /* MIPS16 TLS thread pointer offset. */ 1833 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 1834 0, /* rightshift */ 1835 2, /* size (0 = byte, 1 = short, 2 = long) */ 1836 16, /* bitsize */ 1837 FALSE, /* pc_relative */ 1838 0, /* bitpos */ 1839 complain_overflow_signed, /* complain_on_overflow */ 1840 _bfd_mips_elf_generic_reloc, /* special_function */ 1841 "R_MIPS16_TLS_GOTTPREL", /* name */ 1842 TRUE, /* partial_inplace */ 1843 0x0000ffff, /* src_mask */ 1844 0x0000ffff, /* dst_mask */ 1845 FALSE), /* pcrel_offset */ 1846 1847 /* MIPS16 TLS thread pointer offset. */ 1848 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 1849 0, /* rightshift */ 1850 2, /* size (0 = byte, 1 = short, 2 = long) */ 1851 16, /* bitsize */ 1852 FALSE, /* pc_relative */ 1853 0, /* bitpos */ 1854 complain_overflow_signed, /* complain_on_overflow */ 1855 _bfd_mips_elf_generic_reloc, /* special_function */ 1856 "R_MIPS16_TLS_TPREL_HI16", /* name */ 1857 TRUE, /* partial_inplace */ 1858 0x0000ffff, /* src_mask */ 1859 0x0000ffff, /* dst_mask */ 1860 FALSE), /* pcrel_offset */ 1861 1862 /* MIPS16 TLS thread pointer offset. */ 1863 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 1864 0, /* rightshift */ 1865 2, /* size (0 = byte, 1 = short, 2 = long) */ 1866 16, /* bitsize */ 1867 FALSE, /* pc_relative */ 1868 0, /* bitpos */ 1869 complain_overflow_signed, /* complain_on_overflow */ 1870 _bfd_mips_elf_generic_reloc, /* special_function */ 1871 "R_MIPS16_TLS_TPREL_LO16", /* name */ 1872 TRUE, /* partial_inplace */ 1873 0x0000ffff, /* src_mask */ 1874 0x0000ffff, /* dst_mask */ 1875 FALSE), /* pcrel_offset */ 1876 1877 /* MIPS16 16-bit PC-relative branch offset. */ 1878 HOWTO (R_MIPS16_PC16_S1, /* type */ 1879 1, /* rightshift */ 1880 2, /* size (0 = byte, 1 = short, 2 = long) */ 1881 16, /* bitsize */ 1882 TRUE, /* pc_relative */ 1883 0, /* bitpos */ 1884 complain_overflow_signed, /* complain_on_overflow */ 1885 _bfd_mips_elf_generic_reloc, /* special_function */ 1886 "R_MIPS16_PC16_S1", /* name */ 1887 TRUE, /* partial_inplace */ 1888 0x0000ffff, /* src_mask */ 1889 0x0000ffff, /* dst_mask */ 1890 TRUE), /* pcrel_offset */ 1891 }; 1892 1893 static reloc_howto_type mips16_elf64_howto_table_rela[] = 1894 { 1895 /* The reloc used for the mips16 jump instruction. */ 1896 HOWTO (R_MIPS16_26, /* type */ 1897 2, /* rightshift */ 1898 2, /* size (0 = byte, 1 = short, 2 = long) */ 1899 26, /* bitsize */ 1900 FALSE, /* pc_relative */ 1901 0, /* bitpos */ 1902 complain_overflow_dont, /* complain_on_overflow */ 1903 /* This needs complex overflow 1904 detection, because the upper four 1905 bits must match the PC. */ 1906 _bfd_mips_elf_generic_reloc, /* special_function */ 1907 "R_MIPS16_26", /* name */ 1908 FALSE, /* partial_inplace */ 1909 0, /* src_mask */ 1910 0x3ffffff, /* dst_mask */ 1911 FALSE), /* pcrel_offset */ 1912 1913 /* The reloc used for the mips16 gprel instruction. */ 1914 HOWTO (R_MIPS16_GPREL, /* type */ 1915 0, /* rightshift */ 1916 2, /* size (0 = byte, 1 = short, 2 = long) */ 1917 16, /* bitsize */ 1918 FALSE, /* pc_relative */ 1919 0, /* bitpos */ 1920 complain_overflow_signed, /* complain_on_overflow */ 1921 mips16_gprel_reloc, /* special_function */ 1922 "R_MIPS16_GPREL", /* name */ 1923 FALSE, /* partial_inplace */ 1924 0, /* src_mask */ 1925 0x0000ffff, /* dst_mask */ 1926 FALSE), /* pcrel_offset */ 1927 1928 /* A MIPS16 reference to the global offset table. */ 1929 HOWTO (R_MIPS16_GOT16, /* type */ 1930 0, /* rightshift */ 1931 2, /* size (0 = byte, 1 = short, 2 = long) */ 1932 16, /* bitsize */ 1933 FALSE, /* pc_relative */ 1934 0, /* bitpos */ 1935 complain_overflow_dont, /* complain_on_overflow */ 1936 _bfd_mips_elf_got16_reloc, /* special_function */ 1937 "R_MIPS16_GOT16", /* name */ 1938 FALSE, /* partial_inplace */ 1939 0, /* src_mask */ 1940 0x0000ffff, /* dst_mask */ 1941 FALSE), /* pcrel_offset */ 1942 1943 /* A MIPS16 call through the global offset table. */ 1944 HOWTO (R_MIPS16_CALL16, /* type */ 1945 0, /* rightshift */ 1946 2, /* size (0 = byte, 1 = short, 2 = long) */ 1947 16, /* bitsize */ 1948 FALSE, /* pc_relative */ 1949 0, /* bitpos */ 1950 complain_overflow_dont, /* complain_on_overflow */ 1951 _bfd_mips_elf_generic_reloc, /* special_function */ 1952 "R_MIPS16_CALL16", /* name */ 1953 FALSE, /* partial_inplace */ 1954 0, /* src_mask */ 1955 0x0000ffff, /* dst_mask */ 1956 FALSE), /* pcrel_offset */ 1957 1958 /* MIPS16 high 16 bits of symbol value. */ 1959 HOWTO (R_MIPS16_HI16, /* type */ 1960 16, /* rightshift */ 1961 2, /* size (0 = byte, 1 = short, 2 = long) */ 1962 16, /* bitsize */ 1963 FALSE, /* pc_relative */ 1964 0, /* bitpos */ 1965 complain_overflow_dont, /* complain_on_overflow */ 1966 _bfd_mips_elf_hi16_reloc, /* special_function */ 1967 "R_MIPS16_HI16", /* name */ 1968 FALSE, /* partial_inplace */ 1969 0, /* src_mask */ 1970 0x0000ffff, /* dst_mask */ 1971 FALSE), /* pcrel_offset */ 1972 1973 /* MIPS16 low 16 bits of symbol value. */ 1974 HOWTO (R_MIPS16_LO16, /* type */ 1975 0, /* rightshift */ 1976 2, /* size (0 = byte, 1 = short, 2 = long) */ 1977 16, /* bitsize */ 1978 FALSE, /* pc_relative */ 1979 0, /* bitpos */ 1980 complain_overflow_dont, /* complain_on_overflow */ 1981 _bfd_mips_elf_lo16_reloc, /* special_function */ 1982 "R_MIPS16_LO16", /* name */ 1983 FALSE, /* partial_inplace */ 1984 0, /* src_mask */ 1985 0x0000ffff, /* dst_mask */ 1986 FALSE), /* pcrel_offset */ 1987 1988 /* MIPS16 TLS general dynamic variable reference. */ 1989 HOWTO (R_MIPS16_TLS_GD, /* type */ 1990 0, /* rightshift */ 1991 2, /* size (0 = byte, 1 = short, 2 = long) */ 1992 16, /* bitsize */ 1993 FALSE, /* pc_relative */ 1994 0, /* bitpos */ 1995 complain_overflow_signed, /* complain_on_overflow */ 1996 _bfd_mips_elf_generic_reloc, /* special_function */ 1997 "R_MIPS16_TLS_GD", /* name */ 1998 FALSE, /* partial_inplace */ 1999 0, /* src_mask */ 2000 0x0000ffff, /* dst_mask */ 2001 FALSE), /* pcrel_offset */ 2002 2003 /* MIPS16 TLS local dynamic variable reference. */ 2004 HOWTO (R_MIPS16_TLS_LDM, /* type */ 2005 0, /* rightshift */ 2006 2, /* size (0 = byte, 1 = short, 2 = long) */ 2007 16, /* bitsize */ 2008 FALSE, /* pc_relative */ 2009 0, /* bitpos */ 2010 complain_overflow_signed, /* complain_on_overflow */ 2011 _bfd_mips_elf_generic_reloc, /* special_function */ 2012 "R_MIPS16_TLS_LDM", /* name */ 2013 FALSE, /* partial_inplace */ 2014 0, /* src_mask */ 2015 0x0000ffff, /* dst_mask */ 2016 FALSE), /* pcrel_offset */ 2017 2018 /* MIPS16 TLS local dynamic offset. */ 2019 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ 2020 0, /* rightshift */ 2021 2, /* size (0 = byte, 1 = short, 2 = long) */ 2022 16, /* bitsize */ 2023 FALSE, /* pc_relative */ 2024 0, /* bitpos */ 2025 complain_overflow_signed, /* complain_on_overflow */ 2026 _bfd_mips_elf_generic_reloc, /* special_function */ 2027 "R_MIPS16_TLS_DTPREL_HI16", /* name */ 2028 FALSE, /* partial_inplace */ 2029 0, /* src_mask */ 2030 0x0000ffff, /* dst_mask */ 2031 FALSE), /* pcrel_offset */ 2032 2033 /* MIPS16 TLS local dynamic offset. */ 2034 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ 2035 0, /* rightshift */ 2036 2, /* size (0 = byte, 1 = short, 2 = long) */ 2037 16, /* bitsize */ 2038 FALSE, /* pc_relative */ 2039 0, /* bitpos */ 2040 complain_overflow_signed, /* complain_on_overflow */ 2041 _bfd_mips_elf_generic_reloc, /* special_function */ 2042 "R_MIPS16_TLS_DTPREL_LO16", /* name */ 2043 FALSE, /* partial_inplace */ 2044 0, /* src_mask */ 2045 0x0000ffff, /* dst_mask */ 2046 FALSE), /* pcrel_offset */ 2047 2048 /* MIPS16 TLS thread pointer offset. */ 2049 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ 2050 0, /* rightshift */ 2051 2, /* size (0 = byte, 1 = short, 2 = long) */ 2052 16, /* bitsize */ 2053 FALSE, /* pc_relative */ 2054 0, /* bitpos */ 2055 complain_overflow_signed, /* complain_on_overflow */ 2056 _bfd_mips_elf_generic_reloc, /* special_function */ 2057 "R_MIPS16_TLS_GOTTPREL", /* name */ 2058 FALSE, /* partial_inplace */ 2059 0, /* src_mask */ 2060 0x0000ffff, /* dst_mask */ 2061 FALSE), /* pcrel_offset */ 2062 2063 /* MIPS16 TLS thread pointer offset. */ 2064 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ 2065 0, /* rightshift */ 2066 2, /* size (0 = byte, 1 = short, 2 = long) */ 2067 16, /* bitsize */ 2068 FALSE, /* pc_relative */ 2069 0, /* bitpos */ 2070 complain_overflow_signed, /* complain_on_overflow */ 2071 _bfd_mips_elf_generic_reloc, /* special_function */ 2072 "R_MIPS16_TLS_TPREL_HI16", /* name */ 2073 FALSE, /* partial_inplace */ 2074 0, /* src_mask */ 2075 0x0000ffff, /* dst_mask */ 2076 FALSE), /* pcrel_offset */ 2077 2078 /* MIPS16 TLS thread pointer offset. */ 2079 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ 2080 0, /* rightshift */ 2081 2, /* size (0 = byte, 1 = short, 2 = long) */ 2082 16, /* bitsize */ 2083 FALSE, /* pc_relative */ 2084 0, /* bitpos */ 2085 complain_overflow_signed, /* complain_on_overflow */ 2086 _bfd_mips_elf_generic_reloc, /* special_function */ 2087 "R_MIPS16_TLS_TPREL_LO16", /* name */ 2088 FALSE, /* partial_inplace */ 2089 0, /* src_mask */ 2090 0x0000ffff, /* dst_mask */ 2091 FALSE), /* pcrel_offset */ 2092 2093 /* MIPS16 16-bit PC-relative branch offset. */ 2094 HOWTO (R_MIPS16_PC16_S1, /* type */ 2095 1, /* rightshift */ 2096 2, /* size (0 = byte, 1 = short, 2 = long) */ 2097 16, /* bitsize */ 2098 TRUE, /* pc_relative */ 2099 0, /* bitpos */ 2100 complain_overflow_signed, /* complain_on_overflow */ 2101 _bfd_mips_elf_generic_reloc, /* special_function */ 2102 "R_MIPS16_PC16_S1", /* name */ 2103 FALSE, /* partial_inplace */ 2104 0, /* src_mask */ 2105 0x0000ffff, /* dst_mask */ 2106 TRUE), /* pcrel_offset */ 2107 }; 2108 2109 static reloc_howto_type micromips_elf64_howto_table_rel[] = 2110 { 2111 EMPTY_HOWTO (130), 2112 EMPTY_HOWTO (131), 2113 EMPTY_HOWTO (132), 2114 2115 /* 26 bit jump address. */ 2116 HOWTO (R_MICROMIPS_26_S1, /* type */ 2117 1, /* rightshift */ 2118 2, /* size (0 = byte, 1 = short, 2 = long) */ 2119 26, /* bitsize */ 2120 FALSE, /* pc_relative */ 2121 0, /* bitpos */ 2122 complain_overflow_dont, /* complain_on_overflow */ 2123 /* This needs complex overflow 2124 detection, because the upper four 2125 bits must match the PC. */ 2126 _bfd_mips_elf_generic_reloc, /* special_function */ 2127 "R_MICROMIPS_26_S1", /* name */ 2128 TRUE, /* partial_inplace */ 2129 0x3ffffff, /* src_mask */ 2130 0x3ffffff, /* dst_mask */ 2131 FALSE), /* pcrel_offset */ 2132 2133 /* High 16 bits of symbol value. */ 2134 HOWTO (R_MICROMIPS_HI16, /* type */ 2135 16, /* rightshift */ 2136 2, /* size (0 = byte, 1 = short, 2 = long) */ 2137 16, /* bitsize */ 2138 FALSE, /* pc_relative */ 2139 0, /* bitpos */ 2140 complain_overflow_dont, /* complain_on_overflow */ 2141 _bfd_mips_elf_hi16_reloc, /* special_function */ 2142 "R_MICROMIPS_HI16", /* name */ 2143 TRUE, /* partial_inplace */ 2144 0x0000ffff, /* src_mask */ 2145 0x0000ffff, /* dst_mask */ 2146 FALSE), /* pcrel_offset */ 2147 2148 /* Low 16 bits of symbol value. */ 2149 HOWTO (R_MICROMIPS_LO16, /* type */ 2150 0, /* rightshift */ 2151 2, /* size (0 = byte, 1 = short, 2 = long) */ 2152 16, /* bitsize */ 2153 FALSE, /* pc_relative */ 2154 0, /* bitpos */ 2155 complain_overflow_dont, /* complain_on_overflow */ 2156 _bfd_mips_elf_lo16_reloc, /* special_function */ 2157 "R_MICROMIPS_LO16", /* name */ 2158 TRUE, /* partial_inplace */ 2159 0x0000ffff, /* src_mask */ 2160 0x0000ffff, /* dst_mask */ 2161 FALSE), /* pcrel_offset */ 2162 2163 /* GP relative reference. */ 2164 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2165 0, /* rightshift */ 2166 2, /* size (0 = byte, 1 = short, 2 = long) */ 2167 16, /* bitsize */ 2168 FALSE, /* pc_relative */ 2169 0, /* bitpos */ 2170 complain_overflow_signed, /* complain_on_overflow */ 2171 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2172 "R_MICROMIPS_GPREL16", /* name */ 2173 TRUE, /* partial_inplace */ 2174 0x0000ffff, /* src_mask */ 2175 0x0000ffff, /* dst_mask */ 2176 FALSE), /* pcrel_offset */ 2177 2178 /* Reference to literal section. */ 2179 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2180 0, /* rightshift */ 2181 2, /* size (0 = byte, 1 = short, 2 = long) */ 2182 16, /* bitsize */ 2183 FALSE, /* pc_relative */ 2184 0, /* bitpos */ 2185 complain_overflow_signed, /* complain_on_overflow */ 2186 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2187 "R_MICROMIPS_LITERAL", /* name */ 2188 TRUE, /* partial_inplace */ 2189 0x0000ffff, /* src_mask */ 2190 0x0000ffff, /* dst_mask */ 2191 FALSE), /* pcrel_offset */ 2192 2193 /* Reference to global offset table. */ 2194 HOWTO (R_MICROMIPS_GOT16, /* type */ 2195 0, /* rightshift */ 2196 2, /* size (0 = byte, 1 = short, 2 = long) */ 2197 16, /* bitsize */ 2198 FALSE, /* pc_relative */ 2199 0, /* bitpos */ 2200 complain_overflow_signed, /* complain_on_overflow */ 2201 _bfd_mips_elf_got16_reloc, /* special_function */ 2202 "R_MICROMIPS_GOT16", /* name */ 2203 TRUE, /* partial_inplace */ 2204 0x0000ffff, /* src_mask */ 2205 0x0000ffff, /* dst_mask */ 2206 FALSE), /* pcrel_offset */ 2207 2208 /* This is for microMIPS branches. */ 2209 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2210 1, /* rightshift */ 2211 1, /* size (0 = byte, 1 = short, 2 = long) */ 2212 7, /* bitsize */ 2213 TRUE, /* pc_relative */ 2214 0, /* bitpos */ 2215 complain_overflow_signed, /* complain_on_overflow */ 2216 _bfd_mips_elf_generic_reloc, /* special_function */ 2217 "R_MICROMIPS_PC7_S1", /* name */ 2218 TRUE, /* partial_inplace */ 2219 0x0000007f, /* src_mask */ 2220 0x0000007f, /* dst_mask */ 2221 TRUE), /* pcrel_offset */ 2222 2223 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2224 1, /* rightshift */ 2225 1, /* size (0 = byte, 1 = short, 2 = long) */ 2226 10, /* bitsize */ 2227 TRUE, /* pc_relative */ 2228 0, /* bitpos */ 2229 complain_overflow_signed, /* complain_on_overflow */ 2230 _bfd_mips_elf_generic_reloc, /* special_function */ 2231 "R_MICROMIPS_PC10_S1", /* name */ 2232 TRUE, /* partial_inplace */ 2233 0x000003ff, /* src_mask */ 2234 0x000003ff, /* dst_mask */ 2235 TRUE), /* pcrel_offset */ 2236 2237 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2238 1, /* rightshift */ 2239 2, /* size (0 = byte, 1 = short, 2 = long) */ 2240 16, /* bitsize */ 2241 TRUE, /* pc_relative */ 2242 0, /* bitpos */ 2243 complain_overflow_signed, /* complain_on_overflow */ 2244 _bfd_mips_elf_generic_reloc, /* special_function */ 2245 "R_MICROMIPS_PC16_S1", /* name */ 2246 TRUE, /* partial_inplace */ 2247 0x0000ffff, /* src_mask */ 2248 0x0000ffff, /* dst_mask */ 2249 TRUE), /* pcrel_offset */ 2250 2251 /* 16 bit call through global offset table. */ 2252 HOWTO (R_MICROMIPS_CALL16, /* type */ 2253 0, /* rightshift */ 2254 2, /* size (0 = byte, 1 = short, 2 = long) */ 2255 16, /* bitsize */ 2256 FALSE, /* pc_relative */ 2257 0, /* bitpos */ 2258 complain_overflow_signed, /* complain_on_overflow */ 2259 _bfd_mips_elf_generic_reloc, /* special_function */ 2260 "R_MICROMIPS_CALL16", /* name */ 2261 TRUE, /* partial_inplace */ 2262 0x0000ffff, /* src_mask */ 2263 0x0000ffff, /* dst_mask */ 2264 FALSE), /* pcrel_offset */ 2265 2266 EMPTY_HOWTO (143), 2267 EMPTY_HOWTO (144), 2268 2269 /* Displacement in the global offset table. */ 2270 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2271 0, /* rightshift */ 2272 2, /* size (0 = byte, 1 = short, 2 = long) */ 2273 16, /* bitsize */ 2274 FALSE, /* pc_relative */ 2275 0, /* bitpos */ 2276 complain_overflow_signed, /* complain_on_overflow */ 2277 _bfd_mips_elf_generic_reloc, /* special_function */ 2278 "R_MICROMIPS_GOT_DISP",/* name */ 2279 TRUE, /* partial_inplace */ 2280 0x0000ffff, /* src_mask */ 2281 0x0000ffff, /* dst_mask */ 2282 FALSE), /* pcrel_offset */ 2283 2284 /* Displacement to page pointer in the global offset table. */ 2285 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2286 0, /* rightshift */ 2287 2, /* size (0 = byte, 1 = short, 2 = long) */ 2288 16, /* bitsize */ 2289 FALSE, /* pc_relative */ 2290 0, /* bitpos */ 2291 complain_overflow_signed, /* complain_on_overflow */ 2292 _bfd_mips_elf_generic_reloc, /* special_function */ 2293 "R_MICROMIPS_GOT_PAGE",/* name */ 2294 TRUE, /* partial_inplace */ 2295 0x0000ffff, /* src_mask */ 2296 0x0000ffff, /* dst_mask */ 2297 FALSE), /* pcrel_offset */ 2298 2299 /* Offset from page pointer in the global offset table. */ 2300 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2301 0, /* rightshift */ 2302 2, /* size (0 = byte, 1 = short, 2 = long) */ 2303 16, /* bitsize */ 2304 FALSE, /* pc_relative */ 2305 0, /* bitpos */ 2306 complain_overflow_signed, /* complain_on_overflow */ 2307 _bfd_mips_elf_generic_reloc, /* special_function */ 2308 "R_MICROMIPS_GOT_OFST",/* name */ 2309 TRUE, /* partial_inplace */ 2310 0x0000ffff, /* src_mask */ 2311 0x0000ffff, /* dst_mask */ 2312 FALSE), /* pcrel_offset */ 2313 2314 /* High 16 bits of displacement in global offset table. */ 2315 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2316 0, /* rightshift */ 2317 2, /* size (0 = byte, 1 = short, 2 = long) */ 2318 16, /* bitsize */ 2319 FALSE, /* pc_relative */ 2320 0, /* bitpos */ 2321 complain_overflow_dont, /* complain_on_overflow */ 2322 _bfd_mips_elf_generic_reloc, /* special_function */ 2323 "R_MICROMIPS_GOT_HI16",/* name */ 2324 TRUE, /* partial_inplace */ 2325 0x0000ffff, /* src_mask */ 2326 0x0000ffff, /* dst_mask */ 2327 FALSE), /* pcrel_offset */ 2328 2329 /* Low 16 bits of displacement in global offset table. */ 2330 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2331 0, /* rightshift */ 2332 2, /* size (0 = byte, 1 = short, 2 = long) */ 2333 16, /* bitsize */ 2334 FALSE, /* pc_relative */ 2335 0, /* bitpos */ 2336 complain_overflow_dont, /* complain_on_overflow */ 2337 _bfd_mips_elf_generic_reloc, /* special_function */ 2338 "R_MICROMIPS_GOT_LO16",/* name */ 2339 TRUE, /* partial_inplace */ 2340 0x0000ffff, /* src_mask */ 2341 0x0000ffff, /* dst_mask */ 2342 FALSE), /* pcrel_offset */ 2343 2344 /* 64 bit subtraction. Used in the N32 ABI. */ 2345 HOWTO (R_MICROMIPS_SUB, /* type */ 2346 0, /* rightshift */ 2347 4, /* size (0 = byte, 1 = short, 2 = long) */ 2348 64, /* bitsize */ 2349 FALSE, /* pc_relative */ 2350 0, /* bitpos */ 2351 complain_overflow_dont, /* complain_on_overflow */ 2352 _bfd_mips_elf_generic_reloc, /* special_function */ 2353 "R_MICROMIPS_SUB", /* name */ 2354 TRUE, /* partial_inplace */ 2355 MINUS_ONE, /* src_mask */ 2356 MINUS_ONE, /* dst_mask */ 2357 FALSE), /* pcrel_offset */ 2358 2359 /* We don't support these for REL relocations, because it means building 2360 the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/ 2361 R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering, 2362 using fallable heuristics. */ 2363 EMPTY_HOWTO (R_MICROMIPS_HIGHER), 2364 EMPTY_HOWTO (R_MICROMIPS_HIGHEST), 2365 2366 /* High 16 bits of displacement in global offset table. */ 2367 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2368 0, /* rightshift */ 2369 2, /* size (0 = byte, 1 = short, 2 = long) */ 2370 16, /* bitsize */ 2371 FALSE, /* pc_relative */ 2372 0, /* bitpos */ 2373 complain_overflow_dont, /* complain_on_overflow */ 2374 _bfd_mips_elf_generic_reloc, /* special_function */ 2375 "R_MICROMIPS_CALL_HI16",/* name */ 2376 TRUE, /* partial_inplace */ 2377 0x0000ffff, /* src_mask */ 2378 0x0000ffff, /* dst_mask */ 2379 FALSE), /* pcrel_offset */ 2380 2381 /* Low 16 bits of displacement in global offset table. */ 2382 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2383 0, /* rightshift */ 2384 2, /* size (0 = byte, 1 = short, 2 = long) */ 2385 16, /* bitsize */ 2386 FALSE, /* pc_relative */ 2387 0, /* bitpos */ 2388 complain_overflow_dont, /* complain_on_overflow */ 2389 _bfd_mips_elf_generic_reloc, /* special_function */ 2390 "R_MICROMIPS_CALL_LO16",/* name */ 2391 TRUE, /* partial_inplace */ 2392 0x0000ffff, /* src_mask */ 2393 0x0000ffff, /* dst_mask */ 2394 FALSE), /* pcrel_offset */ 2395 2396 /* Section displacement. */ 2397 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2398 0, /* rightshift */ 2399 2, /* size (0 = byte, 1 = short, 2 = long) */ 2400 32, /* bitsize */ 2401 FALSE, /* pc_relative */ 2402 0, /* bitpos */ 2403 complain_overflow_dont, /* complain_on_overflow */ 2404 _bfd_mips_elf_generic_reloc, /* special_function */ 2405 "R_MICROMIPS_SCN_DISP", /* name */ 2406 TRUE, /* partial_inplace */ 2407 0xffffffff, /* src_mask */ 2408 0xffffffff, /* dst_mask */ 2409 FALSE), /* pcrel_offset */ 2410 2411 /* Protected jump conversion. This is an optimization hint. No 2412 relocation is required for correctness. */ 2413 HOWTO (R_MICROMIPS_JALR, /* type */ 2414 0, /* rightshift */ 2415 2, /* size (0 = byte, 1 = short, 2 = long) */ 2416 32, /* bitsize */ 2417 FALSE, /* pc_relative */ 2418 0, /* bitpos */ 2419 complain_overflow_dont, /* complain_on_overflow */ 2420 _bfd_mips_elf_generic_reloc, /* special_function */ 2421 "R_MICROMIPS_JALR", /* name */ 2422 FALSE, /* partial_inplace */ 2423 0, /* src_mask */ 2424 0x00000000, /* dst_mask */ 2425 FALSE), /* pcrel_offset */ 2426 }; 2427 2428 static reloc_howto_type micromips_elf64_howto_table_rela[] = 2429 { 2430 EMPTY_HOWTO (130), 2431 EMPTY_HOWTO (131), 2432 EMPTY_HOWTO (132), 2433 2434 /* 26 bit jump address. */ 2435 HOWTO (R_MICROMIPS_26_S1, /* type */ 2436 1, /* rightshift */ 2437 2, /* size (0 = byte, 1 = short, 2 = long) */ 2438 26, /* bitsize */ 2439 FALSE, /* pc_relative */ 2440 0, /* bitpos */ 2441 complain_overflow_dont, /* complain_on_overflow */ 2442 /* This needs complex overflow 2443 detection, because the upper four 2444 bits must match the PC. */ 2445 _bfd_mips_elf_generic_reloc, /* special_function */ 2446 "R_MICROMIPS_26_S1", /* name */ 2447 FALSE, /* partial_inplace */ 2448 0, /* src_mask */ 2449 0x3ffffff, /* dst_mask */ 2450 FALSE), /* pcrel_offset */ 2451 2452 /* High 16 bits of symbol value. */ 2453 HOWTO (R_MICROMIPS_HI16, /* type */ 2454 16, /* rightshift */ 2455 2, /* size (0 = byte, 1 = short, 2 = long) */ 2456 16, /* bitsize */ 2457 FALSE, /* pc_relative */ 2458 0, /* bitpos */ 2459 complain_overflow_dont, /* complain_on_overflow */ 2460 _bfd_mips_elf_hi16_reloc, /* special_function */ 2461 "R_MICROMIPS_HI16", /* name */ 2462 FALSE, /* partial_inplace */ 2463 0, /* src_mask */ 2464 0x0000ffff, /* dst_mask */ 2465 FALSE), /* pcrel_offset */ 2466 2467 /* Low 16 bits of symbol value. */ 2468 HOWTO (R_MICROMIPS_LO16, /* type */ 2469 0, /* rightshift */ 2470 2, /* size (0 = byte, 1 = short, 2 = long) */ 2471 16, /* bitsize */ 2472 FALSE, /* pc_relative */ 2473 0, /* bitpos */ 2474 complain_overflow_dont, /* complain_on_overflow */ 2475 _bfd_mips_elf_lo16_reloc, /* special_function */ 2476 "R_MICROMIPS_LO16", /* name */ 2477 FALSE, /* partial_inplace */ 2478 0, /* src_mask */ 2479 0x0000ffff, /* dst_mask */ 2480 FALSE), /* pcrel_offset */ 2481 2482 /* GP relative reference. */ 2483 HOWTO (R_MICROMIPS_GPREL16, /* type */ 2484 0, /* rightshift */ 2485 2, /* size (0 = byte, 1 = short, 2 = long) */ 2486 16, /* bitsize */ 2487 FALSE, /* pc_relative */ 2488 0, /* bitpos */ 2489 complain_overflow_signed, /* complain_on_overflow */ 2490 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2491 "R_MICROMIPS_GPREL16", /* name */ 2492 FALSE, /* partial_inplace */ 2493 0, /* src_mask */ 2494 0x0000ffff, /* dst_mask */ 2495 FALSE), /* pcrel_offset */ 2496 2497 /* Reference to literal section. */ 2498 HOWTO (R_MICROMIPS_LITERAL, /* type */ 2499 0, /* rightshift */ 2500 2, /* size (0 = byte, 1 = short, 2 = long) */ 2501 16, /* bitsize */ 2502 FALSE, /* pc_relative */ 2503 0, /* bitpos */ 2504 complain_overflow_signed, /* complain_on_overflow */ 2505 _bfd_mips_elf32_gprel16_reloc, /* special_function */ 2506 "R_MICROMIPS_LITERAL", /* name */ 2507 FALSE, /* partial_inplace */ 2508 0, /* src_mask */ 2509 0x0000ffff, /* dst_mask */ 2510 FALSE), /* pcrel_offset */ 2511 2512 /* Reference to global offset table. */ 2513 HOWTO (R_MICROMIPS_GOT16, /* type */ 2514 0, /* rightshift */ 2515 2, /* size (0 = byte, 1 = short, 2 = long) */ 2516 16, /* bitsize */ 2517 FALSE, /* pc_relative */ 2518 0, /* bitpos */ 2519 complain_overflow_signed, /* complain_on_overflow */ 2520 _bfd_mips_elf_got16_reloc, /* special_function */ 2521 "R_MICROMIPS_GOT16", /* name */ 2522 FALSE, /* partial_inplace */ 2523 0, /* src_mask */ 2524 0x0000ffff, /* dst_mask */ 2525 FALSE), /* pcrel_offset */ 2526 2527 /* This is for microMIPS branches. */ 2528 HOWTO (R_MICROMIPS_PC7_S1, /* type */ 2529 1, /* rightshift */ 2530 1, /* size (0 = byte, 1 = short, 2 = long) */ 2531 7, /* bitsize */ 2532 TRUE, /* pc_relative */ 2533 0, /* bitpos */ 2534 complain_overflow_signed, /* complain_on_overflow */ 2535 _bfd_mips_elf_generic_reloc, /* special_function */ 2536 "R_MICROMIPS_PC7_S1", /* name */ 2537 FALSE, /* partial_inplace */ 2538 0, /* src_mask */ 2539 0x0000007f, /* dst_mask */ 2540 TRUE), /* pcrel_offset */ 2541 2542 HOWTO (R_MICROMIPS_PC10_S1, /* type */ 2543 1, /* rightshift */ 2544 1, /* size (0 = byte, 1 = short, 2 = long) */ 2545 10, /* bitsize */ 2546 TRUE, /* pc_relative */ 2547 0, /* bitpos */ 2548 complain_overflow_signed, /* complain_on_overflow */ 2549 _bfd_mips_elf_generic_reloc, /* special_function */ 2550 "R_MICROMIPS_PC10_S1", /* name */ 2551 FALSE, /* partial_inplace */ 2552 0, /* src_mask */ 2553 0x000003ff, /* dst_mask */ 2554 TRUE), /* pcrel_offset */ 2555 2556 HOWTO (R_MICROMIPS_PC16_S1, /* type */ 2557 1, /* rightshift */ 2558 2, /* size (0 = byte, 1 = short, 2 = long) */ 2559 16, /* bitsize */ 2560 TRUE, /* pc_relative */ 2561 0, /* bitpos */ 2562 complain_overflow_signed, /* complain_on_overflow */ 2563 _bfd_mips_elf_generic_reloc, /* special_function */ 2564 "R_MICROMIPS_PC16_S1", /* name */ 2565 FALSE, /* partial_inplace */ 2566 0, /* src_mask */ 2567 0x0000ffff, /* dst_mask */ 2568 TRUE), /* pcrel_offset */ 2569 2570 /* 16 bit call through global offset table. */ 2571 HOWTO (R_MICROMIPS_CALL16, /* type */ 2572 0, /* rightshift */ 2573 2, /* size (0 = byte, 1 = short, 2 = long) */ 2574 16, /* bitsize */ 2575 FALSE, /* pc_relative */ 2576 0, /* bitpos */ 2577 complain_overflow_signed, /* complain_on_overflow */ 2578 _bfd_mips_elf_generic_reloc, /* special_function */ 2579 "R_MICROMIPS_CALL16", /* name */ 2580 FALSE, /* partial_inplace */ 2581 0, /* src_mask */ 2582 0x0000ffff, /* dst_mask */ 2583 FALSE), /* pcrel_offset */ 2584 2585 EMPTY_HOWTO (143), 2586 EMPTY_HOWTO (144), 2587 2588 /* Displacement in the global offset table. */ 2589 HOWTO (R_MICROMIPS_GOT_DISP, /* type */ 2590 0, /* rightshift */ 2591 2, /* size (0 = byte, 1 = short, 2 = long) */ 2592 16, /* bitsize */ 2593 FALSE, /* pc_relative */ 2594 0, /* bitpos */ 2595 complain_overflow_signed, /* complain_on_overflow */ 2596 _bfd_mips_elf_generic_reloc, /* special_function */ 2597 "R_MICROMIPS_GOT_DISP",/* name */ 2598 FALSE, /* partial_inplace */ 2599 0, /* src_mask */ 2600 0x0000ffff, /* dst_mask */ 2601 FALSE), /* pcrel_offset */ 2602 2603 /* Displacement to page pointer in the global offset table. */ 2604 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ 2605 0, /* rightshift */ 2606 2, /* size (0 = byte, 1 = short, 2 = long) */ 2607 16, /* bitsize */ 2608 FALSE, /* pc_relative */ 2609 0, /* bitpos */ 2610 complain_overflow_signed, /* complain_on_overflow */ 2611 _bfd_mips_elf_generic_reloc, /* special_function */ 2612 "R_MICROMIPS_GOT_PAGE",/* name */ 2613 FALSE, /* partial_inplace */ 2614 0, /* src_mask */ 2615 0x0000ffff, /* dst_mask */ 2616 FALSE), /* pcrel_offset */ 2617 2618 /* Offset from page pointer in the global offset table. */ 2619 HOWTO (R_MICROMIPS_GOT_OFST, /* type */ 2620 0, /* rightshift */ 2621 2, /* size (0 = byte, 1 = short, 2 = long) */ 2622 16, /* bitsize */ 2623 FALSE, /* pc_relative */ 2624 0, /* bitpos */ 2625 complain_overflow_signed, /* complain_on_overflow */ 2626 _bfd_mips_elf_generic_reloc, /* special_function */ 2627 "R_MICROMIPS_GOT_OFST",/* name */ 2628 FALSE, /* partial_inplace */ 2629 0, /* src_mask */ 2630 0x0000ffff, /* dst_mask */ 2631 FALSE), /* pcrel_offset */ 2632 2633 /* High 16 bits of displacement in global offset table. */ 2634 HOWTO (R_MICROMIPS_GOT_HI16, /* type */ 2635 0, /* rightshift */ 2636 2, /* size (0 = byte, 1 = short, 2 = long) */ 2637 16, /* bitsize */ 2638 FALSE, /* pc_relative */ 2639 0, /* bitpos */ 2640 complain_overflow_dont, /* complain_on_overflow */ 2641 _bfd_mips_elf_generic_reloc, /* special_function */ 2642 "R_MICROMIPS_GOT_HI16",/* name */ 2643 FALSE, /* partial_inplace */ 2644 0, /* src_mask */ 2645 0x0000ffff, /* dst_mask */ 2646 FALSE), /* pcrel_offset */ 2647 2648 /* Low 16 bits of displacement in global offset table. */ 2649 HOWTO (R_MICROMIPS_GOT_LO16, /* type */ 2650 0, /* rightshift */ 2651 2, /* size (0 = byte, 1 = short, 2 = long) */ 2652 16, /* bitsize */ 2653 FALSE, /* pc_relative */ 2654 0, /* bitpos */ 2655 complain_overflow_dont, /* complain_on_overflow */ 2656 _bfd_mips_elf_generic_reloc, /* special_function */ 2657 "R_MICROMIPS_GOT_LO16",/* name */ 2658 FALSE, /* partial_inplace */ 2659 0, /* src_mask */ 2660 0x0000ffff, /* dst_mask */ 2661 FALSE), /* pcrel_offset */ 2662 2663 /* 64 bit subtraction. Used in the N32 ABI. */ 2664 HOWTO (R_MICROMIPS_SUB, /* type */ 2665 0, /* rightshift */ 2666 4, /* size (0 = byte, 1 = short, 2 = long) */ 2667 64, /* bitsize */ 2668 FALSE, /* pc_relative */ 2669 0, /* bitpos */ 2670 complain_overflow_dont, /* complain_on_overflow */ 2671 _bfd_mips_elf_generic_reloc, /* special_function */ 2672 "R_MICROMIPS_SUB", /* name */ 2673 FALSE, /* partial_inplace */ 2674 0, /* src_mask */ 2675 MINUS_ONE, /* dst_mask */ 2676 FALSE), /* pcrel_offset */ 2677 2678 /* Get the higher value of a 64 bit addend. */ 2679 HOWTO (R_MICROMIPS_HIGHER, /* type */ 2680 0, /* rightshift */ 2681 2, /* size (0 = byte, 1 = short, 2 = long) */ 2682 16, /* bitsize */ 2683 FALSE, /* pc_relative */ 2684 0, /* bitpos */ 2685 complain_overflow_dont, /* complain_on_overflow */ 2686 _bfd_mips_elf_generic_reloc, /* special_function */ 2687 "R_MICROMIPS_HIGHER", /* name */ 2688 FALSE, /* partial_inplace */ 2689 0, /* src_mask */ 2690 0x0000ffff, /* dst_mask */ 2691 FALSE), /* pcrel_offset */ 2692 2693 /* Get the highest value of a 64 bit addend. */ 2694 HOWTO (R_MICROMIPS_HIGHEST, /* type */ 2695 0, /* rightshift */ 2696 2, /* size (0 = byte, 1 = short, 2 = long) */ 2697 16, /* bitsize */ 2698 FALSE, /* pc_relative */ 2699 0, /* bitpos */ 2700 complain_overflow_dont, /* complain_on_overflow */ 2701 _bfd_mips_elf_generic_reloc, /* special_function */ 2702 "R_MICROMIPS_HIGHEST", /* name */ 2703 FALSE, /* partial_inplace */ 2704 0, /* src_mask */ 2705 0x0000ffff, /* dst_mask */ 2706 FALSE), /* pcrel_offset */ 2707 2708 /* High 16 bits of displacement in global offset table. */ 2709 HOWTO (R_MICROMIPS_CALL_HI16, /* type */ 2710 0, /* rightshift */ 2711 2, /* size (0 = byte, 1 = short, 2 = long) */ 2712 16, /* bitsize */ 2713 FALSE, /* pc_relative */ 2714 0, /* bitpos */ 2715 complain_overflow_dont, /* complain_on_overflow */ 2716 _bfd_mips_elf_generic_reloc, /* special_function */ 2717 "R_MICROMIPS_CALL_HI16",/* name */ 2718 FALSE, /* partial_inplace */ 2719 0, /* src_mask */ 2720 0x0000ffff, /* dst_mask */ 2721 FALSE), /* pcrel_offset */ 2722 2723 /* Low 16 bits of displacement in global offset table. */ 2724 HOWTO (R_MICROMIPS_CALL_LO16, /* type */ 2725 0, /* rightshift */ 2726 2, /* size (0 = byte, 1 = short, 2 = long) */ 2727 16, /* bitsize */ 2728 FALSE, /* pc_relative */ 2729 0, /* bitpos */ 2730 complain_overflow_dont, /* complain_on_overflow */ 2731 _bfd_mips_elf_generic_reloc, /* special_function */ 2732 "R_MICROMIPS_CALL_LO16",/* name */ 2733 FALSE, /* partial_inplace */ 2734 0, /* src_mask */ 2735 0x0000ffff, /* dst_mask */ 2736 FALSE), /* pcrel_offset */ 2737 2738 /* Section displacement. */ 2739 HOWTO (R_MICROMIPS_SCN_DISP, /* type */ 2740 0, /* rightshift */ 2741 2, /* size (0 = byte, 1 = short, 2 = long) */ 2742 32, /* bitsize */ 2743 FALSE, /* pc_relative */ 2744 0, /* bitpos */ 2745 complain_overflow_dont, /* complain_on_overflow */ 2746 _bfd_mips_elf_generic_reloc, /* special_function */ 2747 "R_MICROMIPS_SCN_DISP", /* name */ 2748 FALSE, /* partial_inplace */ 2749 0, /* src_mask */ 2750 0xffffffff, /* dst_mask */ 2751 FALSE), /* pcrel_offset */ 2752 2753 /* Protected jump conversion. This is an optimization hint. No 2754 relocation is required for correctness. */ 2755 HOWTO (R_MICROMIPS_JALR, /* type */ 2756 0, /* rightshift */ 2757 2, /* size (0 = byte, 1 = short, 2 = long) */ 2758 32, /* bitsize */ 2759 FALSE, /* pc_relative */ 2760 0, /* bitpos */ 2761 complain_overflow_dont, /* complain_on_overflow */ 2762 _bfd_mips_elf_generic_reloc, /* special_function */ 2763 "R_MICROMIPS_JALR", /* name */ 2764 FALSE, /* partial_inplace */ 2765 0, /* src_mask */ 2766 0x00000000, /* dst_mask */ 2767 FALSE), /* pcrel_offset */ 2768 }; 2769 2770 /* GNU extension to record C++ vtable hierarchy */ 2771 static reloc_howto_type elf_mips_gnu_vtinherit_howto = 2772 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ 2773 0, /* rightshift */ 2774 2, /* size (0 = byte, 1 = short, 2 = long) */ 2775 0, /* bitsize */ 2776 FALSE, /* pc_relative */ 2777 0, /* bitpos */ 2778 complain_overflow_dont, /* complain_on_overflow */ 2779 NULL, /* special_function */ 2780 "R_MIPS_GNU_VTINHERIT", /* name */ 2781 FALSE, /* partial_inplace */ 2782 0, /* src_mask */ 2783 0, /* dst_mask */ 2784 FALSE); /* pcrel_offset */ 2785 2786 /* GNU extension to record C++ vtable member usage */ 2787 static reloc_howto_type elf_mips_gnu_vtentry_howto = 2788 HOWTO (R_MIPS_GNU_VTENTRY, /* type */ 2789 0, /* rightshift */ 2790 2, /* size (0 = byte, 1 = short, 2 = long) */ 2791 0, /* bitsize */ 2792 FALSE, /* pc_relative */ 2793 0, /* bitpos */ 2794 complain_overflow_dont, /* complain_on_overflow */ 2795 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 2796 "R_MIPS_GNU_VTENTRY", /* name */ 2797 FALSE, /* partial_inplace */ 2798 0, /* src_mask */ 2799 0, /* dst_mask */ 2800 FALSE); /* pcrel_offset */ 2801 2802 /* 16 bit offset for pc-relative branches. */ 2803 static reloc_howto_type elf_mips_gnu_rel16_s2 = 2804 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2805 2, /* rightshift */ 2806 2, /* size (0 = byte, 1 = short, 2 = long) */ 2807 16, /* bitsize */ 2808 TRUE, /* pc_relative */ 2809 0, /* bitpos */ 2810 complain_overflow_signed, /* complain_on_overflow */ 2811 _bfd_mips_elf_generic_reloc, /* special_function */ 2812 "R_MIPS_GNU_REL16_S2", /* name */ 2813 TRUE, /* partial_inplace */ 2814 0x0000ffff, /* src_mask */ 2815 0x0000ffff, /* dst_mask */ 2816 TRUE); /* pcrel_offset */ 2817 2818 /* 16 bit offset for pc-relative branches. */ 2819 static reloc_howto_type elf_mips_gnu_rela16_s2 = 2820 HOWTO (R_MIPS_GNU_REL16_S2, /* type */ 2821 2, /* rightshift */ 2822 2, /* size (0 = byte, 1 = short, 2 = long) */ 2823 16, /* bitsize */ 2824 TRUE, /* pc_relative */ 2825 0, /* bitpos */ 2826 complain_overflow_signed, /* complain_on_overflow */ 2827 _bfd_mips_elf_generic_reloc, /* special_function */ 2828 "R_MIPS_GNU_REL16_S2", /* name */ 2829 FALSE, /* partial_inplace */ 2830 0, /* src_mask */ 2831 0x0000ffff, /* dst_mask */ 2832 TRUE); /* pcrel_offset */ 2833 2834 /* 32 bit pc-relative. Used for compact EH tables. */ 2835 static reloc_howto_type elf_mips_gnu_pcrel32 = 2836 HOWTO (R_MIPS_PC32, /* type */ 2837 0, /* rightshift */ 2838 2, /* size (0 = byte, 1 = short, 2 = long) */ 2839 32, /* bitsize */ 2840 TRUE, /* pc_relative */ 2841 0, /* bitpos */ 2842 complain_overflow_signed, /* complain_on_overflow */ 2843 _bfd_mips_elf_generic_reloc, /* special_function */ 2844 "R_MIPS_PC32", /* name */ 2845 TRUE, /* partial_inplace */ 2846 0xffffffff, /* src_mask */ 2847 0xffffffff, /* dst_mask */ 2848 TRUE); /* pcrel_offset */ 2849 2850 2851 /* Originally a VxWorks extension, but now used for other systems too. */ 2852 static reloc_howto_type elf_mips_copy_howto = 2853 HOWTO (R_MIPS_COPY, /* type */ 2854 0, /* rightshift */ 2855 0, /* this one is variable size */ 2856 0, /* bitsize */ 2857 FALSE, /* pc_relative */ 2858 0, /* bitpos */ 2859 complain_overflow_bitfield, /* complain_on_overflow */ 2860 _bfd_mips_elf_generic_reloc, /* special_function */ 2861 "R_MIPS_COPY", /* name */ 2862 FALSE, /* partial_inplace */ 2863 0x0, /* src_mask */ 2864 0x0, /* dst_mask */ 2865 FALSE); /* pcrel_offset */ 2866 2867 /* Originally a VxWorks extension, but now used for other systems too. */ 2868 static reloc_howto_type elf_mips_jump_slot_howto = 2869 HOWTO (R_MIPS_JUMP_SLOT, /* type */ 2870 0, /* rightshift */ 2871 4, /* size (0 = byte, 1 = short, 2 = long) */ 2872 64, /* bitsize */ 2873 FALSE, /* pc_relative */ 2874 0, /* bitpos */ 2875 complain_overflow_bitfield, /* complain_on_overflow */ 2876 _bfd_mips_elf_generic_reloc, /* special_function */ 2877 "R_MIPS_JUMP_SLOT", /* name */ 2878 FALSE, /* partial_inplace */ 2879 0x0, /* src_mask */ 2880 0x0, /* dst_mask */ 2881 FALSE); /* pcrel_offset */ 2882 2883 /* Used in EH tables. */ 2884 static reloc_howto_type elf_mips_eh_howto = 2885 HOWTO (R_MIPS_EH, /* type */ 2886 0, /* rightshift */ 2887 2, /* size (0 = byte, 1 = short, 2 = long) */ 2888 32, /* bitsize */ 2889 FALSE, /* pc_relative */ 2890 0, /* bitpos */ 2891 complain_overflow_signed, /* complain_on_overflow */ 2892 _bfd_mips_elf_generic_reloc, /* special_function */ 2893 "R_MIPS_EH", /* name */ 2894 TRUE, /* partial_inplace */ 2895 0xffffffff, /* src_mask */ 2896 0xffffffff, /* dst_mask */ 2897 FALSE); /* pcrel_offset */ 2898 2899 2900 /* Swap in a MIPS 64-bit Rel reloc. */ 2901 2902 static void 2903 mips_elf64_swap_reloc_in (bfd *abfd, const Elf64_Mips_External_Rel *src, 2904 Elf64_Mips_Internal_Rela *dst) 2905 { 2906 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2907 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2908 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2909 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2910 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2911 dst->r_type = H_GET_8 (abfd, src->r_type); 2912 dst->r_addend = 0; 2913 } 2914 2915 /* Swap in a MIPS 64-bit Rela reloc. */ 2916 2917 static void 2918 mips_elf64_swap_reloca_in (bfd *abfd, const Elf64_Mips_External_Rela *src, 2919 Elf64_Mips_Internal_Rela *dst) 2920 { 2921 dst->r_offset = H_GET_64 (abfd, src->r_offset); 2922 dst->r_sym = H_GET_32 (abfd, src->r_sym); 2923 dst->r_ssym = H_GET_8 (abfd, src->r_ssym); 2924 dst->r_type3 = H_GET_8 (abfd, src->r_type3); 2925 dst->r_type2 = H_GET_8 (abfd, src->r_type2); 2926 dst->r_type = H_GET_8 (abfd, src->r_type); 2927 dst->r_addend = H_GET_S64 (abfd, src->r_addend); 2928 } 2929 2930 /* Swap out a MIPS 64-bit Rel reloc. */ 2931 2932 static void 2933 mips_elf64_swap_reloc_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2934 Elf64_Mips_External_Rel *dst) 2935 { 2936 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2937 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2938 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2939 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2940 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2941 H_PUT_8 (abfd, src->r_type, dst->r_type); 2942 } 2943 2944 /* Swap out a MIPS 64-bit Rela reloc. */ 2945 2946 static void 2947 mips_elf64_swap_reloca_out (bfd *abfd, const Elf64_Mips_Internal_Rela *src, 2948 Elf64_Mips_External_Rela *dst) 2949 { 2950 H_PUT_64 (abfd, src->r_offset, dst->r_offset); 2951 H_PUT_32 (abfd, src->r_sym, dst->r_sym); 2952 H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); 2953 H_PUT_8 (abfd, src->r_type3, dst->r_type3); 2954 H_PUT_8 (abfd, src->r_type2, dst->r_type2); 2955 H_PUT_8 (abfd, src->r_type, dst->r_type); 2956 H_PUT_S64 (abfd, src->r_addend, dst->r_addend); 2957 } 2958 2959 /* Swap in a MIPS 64-bit Rel reloc. */ 2960 2961 static void 2962 mips_elf64_be_swap_reloc_in (bfd *abfd, const bfd_byte *src, 2963 Elf_Internal_Rela *dst) 2964 { 2965 Elf64_Mips_Internal_Rela mirel; 2966 2967 mips_elf64_swap_reloc_in (abfd, 2968 (const Elf64_Mips_External_Rel *) src, 2969 &mirel); 2970 2971 dst[0].r_offset = mirel.r_offset; 2972 dst[0].r_info = ELF64_R_INFO (mirel.r_sym, mirel.r_type); 2973 dst[0].r_addend = 0; 2974 dst[1].r_offset = mirel.r_offset; 2975 dst[1].r_info = ELF64_R_INFO (mirel.r_ssym, mirel.r_type2); 2976 dst[1].r_addend = 0; 2977 dst[2].r_offset = mirel.r_offset; 2978 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirel.r_type3); 2979 dst[2].r_addend = 0; 2980 } 2981 2982 /* Swap in a MIPS 64-bit Rela reloc. */ 2983 2984 static void 2985 mips_elf64_be_swap_reloca_in (bfd *abfd, const bfd_byte *src, 2986 Elf_Internal_Rela *dst) 2987 { 2988 Elf64_Mips_Internal_Rela mirela; 2989 2990 mips_elf64_swap_reloca_in (abfd, 2991 (const Elf64_Mips_External_Rela *) src, 2992 &mirela); 2993 2994 dst[0].r_offset = mirela.r_offset; 2995 dst[0].r_info = ELF64_R_INFO (mirela.r_sym, mirela.r_type); 2996 dst[0].r_addend = mirela.r_addend; 2997 dst[1].r_offset = mirela.r_offset; 2998 dst[1].r_info = ELF64_R_INFO (mirela.r_ssym, mirela.r_type2); 2999 dst[1].r_addend = 0; 3000 dst[2].r_offset = mirela.r_offset; 3001 dst[2].r_info = ELF64_R_INFO (STN_UNDEF, mirela.r_type3); 3002 dst[2].r_addend = 0; 3003 } 3004 3005 /* Swap out a MIPS 64-bit Rel reloc. */ 3006 3007 static void 3008 mips_elf64_be_swap_reloc_out (bfd *abfd, const Elf_Internal_Rela *src, 3009 bfd_byte *dst) 3010 { 3011 Elf64_Mips_Internal_Rela mirel; 3012 3013 mirel.r_offset = src[0].r_offset; 3014 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3015 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3016 3017 mirel.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3018 mirel.r_sym = ELF64_R_SYM (src[0].r_info); 3019 mirel.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3020 mirel.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3021 mirel.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3022 3023 mips_elf64_swap_reloc_out (abfd, &mirel, 3024 (Elf64_Mips_External_Rel *) dst); 3025 } 3026 3027 /* Swap out a MIPS 64-bit Rela reloc. */ 3028 3029 static void 3030 mips_elf64_be_swap_reloca_out (bfd *abfd, const Elf_Internal_Rela *src, 3031 bfd_byte *dst) 3032 { 3033 Elf64_Mips_Internal_Rela mirela; 3034 3035 mirela.r_offset = src[0].r_offset; 3036 BFD_ASSERT(src[0].r_offset == src[1].r_offset); 3037 BFD_ASSERT(src[0].r_offset == src[2].r_offset); 3038 3039 mirela.r_type = ELF64_MIPS_R_TYPE (src[0].r_info); 3040 mirela.r_sym = ELF64_R_SYM (src[0].r_info); 3041 mirela.r_addend = src[0].r_addend; 3042 BFD_ASSERT(src[1].r_addend == 0); 3043 BFD_ASSERT(src[2].r_addend == 0); 3044 3045 mirela.r_type2 = ELF64_MIPS_R_TYPE (src[1].r_info); 3046 mirela.r_ssym = ELF64_MIPS_R_SSYM (src[1].r_info); 3047 mirela.r_type3 = ELF64_MIPS_R_TYPE (src[2].r_info); 3048 3049 mips_elf64_swap_reloca_out (abfd, &mirela, 3050 (Elf64_Mips_External_Rela *) dst); 3051 } 3052 3053 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a 3054 dangerous relocation. */ 3055 3056 static bfd_boolean 3057 mips_elf64_assign_gp (bfd *output_bfd, bfd_vma *pgp) 3058 { 3059 unsigned int count; 3060 asymbol **sym; 3061 unsigned int i; 3062 3063 /* If we've already figured out what GP will be, just return it. */ 3064 *pgp = _bfd_get_gp_value (output_bfd); 3065 if (*pgp) 3066 return TRUE; 3067 3068 count = bfd_get_symcount (output_bfd); 3069 sym = bfd_get_outsymbols (output_bfd); 3070 3071 /* The linker script will have created a symbol named `_gp' with the 3072 appropriate value. */ 3073 if (sym == NULL) 3074 i = count; 3075 else 3076 { 3077 for (i = 0; i < count; i++, sym++) 3078 { 3079 register const char *name; 3080 3081 name = bfd_asymbol_name (*sym); 3082 if (*name == '_' && strcmp (name, "_gp") == 0) 3083 { 3084 *pgp = bfd_asymbol_value (*sym); 3085 _bfd_set_gp_value (output_bfd, *pgp); 3086 break; 3087 } 3088 } 3089 } 3090 3091 if (i >= count) 3092 { 3093 /* Only get the error once. */ 3094 *pgp = 4; 3095 _bfd_set_gp_value (output_bfd, *pgp); 3096 return FALSE; 3097 } 3098 3099 return TRUE; 3100 } 3101 3102 /* We have to figure out the gp value, so that we can adjust the 3103 symbol value correctly. We look up the symbol _gp in the output 3104 BFD. If we can't find it, we're stuck. We cache it in the ELF 3105 target data. We don't need to adjust the symbol value for an 3106 external symbol if we are producing relocatable output. */ 3107 3108 static bfd_reloc_status_type 3109 mips_elf64_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, 3110 char **error_message, bfd_vma *pgp) 3111 { 3112 if (bfd_is_und_section (symbol->section) 3113 && ! relocatable) 3114 { 3115 *pgp = 0; 3116 return bfd_reloc_undefined; 3117 } 3118 3119 *pgp = _bfd_get_gp_value (output_bfd); 3120 if (*pgp == 0 3121 && (! relocatable 3122 || (symbol->flags & BSF_SECTION_SYM) != 0)) 3123 { 3124 if (relocatable) 3125 { 3126 /* Make up a value. */ 3127 *pgp = symbol->section->output_section->vma /*+ 0x4000*/; 3128 _bfd_set_gp_value (output_bfd, *pgp); 3129 } 3130 else if (!mips_elf64_assign_gp (output_bfd, pgp)) 3131 { 3132 *error_message = 3133 (char *) _("GP relative relocation when _gp not defined"); 3134 return bfd_reloc_dangerous; 3135 } 3136 } 3137 3138 return bfd_reloc_ok; 3139 } 3140 3141 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must 3142 become the offset from the gp register. */ 3143 3144 static bfd_reloc_status_type 3145 mips_elf64_gprel16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3146 void *data, asection *input_section, bfd *output_bfd, 3147 char **error_message) 3148 { 3149 bfd_boolean relocatable; 3150 bfd_reloc_status_type ret; 3151 bfd_vma gp; 3152 3153 /* If we're relocating, and this is an external symbol, we don't want 3154 to change anything. */ 3155 if (output_bfd != NULL 3156 && (symbol->flags & BSF_SECTION_SYM) == 0 3157 && (symbol->flags & BSF_LOCAL) != 0) 3158 { 3159 reloc_entry->address += input_section->output_offset; 3160 return bfd_reloc_ok; 3161 } 3162 3163 if (output_bfd != NULL) 3164 relocatable = TRUE; 3165 else 3166 { 3167 relocatable = FALSE; 3168 output_bfd = symbol->section->output_section->owner; 3169 } 3170 3171 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3172 &gp); 3173 if (ret != bfd_reloc_ok) 3174 return ret; 3175 3176 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3177 input_section, relocatable, 3178 data, gp); 3179 } 3180 3181 /* Do a R_MIPS_LITERAL relocation. */ 3182 3183 static bfd_reloc_status_type 3184 mips_elf64_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3185 void *data, asection *input_section, bfd *output_bfd, 3186 char **error_message) 3187 { 3188 bfd_boolean relocatable; 3189 bfd_reloc_status_type ret; 3190 bfd_vma gp; 3191 3192 /* R_MIPS_LITERAL relocations are defined for local symbols only. */ 3193 if (output_bfd != NULL 3194 && (symbol->flags & BSF_SECTION_SYM) == 0 3195 && (symbol->flags & BSF_LOCAL) != 0) 3196 { 3197 *error_message = (char *) 3198 _("literal relocation occurs for an external symbol"); 3199 return bfd_reloc_outofrange; 3200 } 3201 3202 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ 3203 if (output_bfd != NULL) 3204 relocatable = TRUE; 3205 else 3206 { 3207 relocatable = FALSE; 3208 output_bfd = symbol->section->output_section->owner; 3209 } 3210 3211 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3212 &gp); 3213 if (ret != bfd_reloc_ok) 3214 return ret; 3215 3216 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3217 input_section, relocatable, 3218 data, gp); 3219 } 3220 3221 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must 3222 become the offset from the gp register. */ 3223 3224 static bfd_reloc_status_type 3225 mips_elf64_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3226 void *data, asection *input_section, bfd *output_bfd, 3227 char **error_message) 3228 { 3229 bfd_boolean relocatable; 3230 bfd_reloc_status_type ret; 3231 bfd_vma gp; 3232 bfd_vma relocation; 3233 bfd_vma val; 3234 3235 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ 3236 if (output_bfd != NULL 3237 && (symbol->flags & BSF_SECTION_SYM) == 0 3238 && (symbol->flags & BSF_LOCAL) != 0) 3239 { 3240 *error_message = (char *) 3241 _("32bits gp relative relocation occurs for an external symbol"); 3242 return bfd_reloc_outofrange; 3243 } 3244 3245 if (output_bfd != NULL) 3246 relocatable = TRUE; 3247 else 3248 { 3249 relocatable = FALSE; 3250 output_bfd = symbol->section->output_section->owner; 3251 } 3252 3253 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, 3254 error_message, &gp); 3255 if (ret != bfd_reloc_ok) 3256 return ret; 3257 3258 if (bfd_is_com_section (symbol->section)) 3259 relocation = 0; 3260 else 3261 relocation = symbol->value; 3262 3263 relocation += symbol->section->output_section->vma; 3264 relocation += symbol->section->output_offset; 3265 3266 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) 3267 return bfd_reloc_outofrange; 3268 3269 /* Set val to the offset into the section or symbol. */ 3270 val = reloc_entry->addend; 3271 3272 if (reloc_entry->howto->partial_inplace) 3273 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); 3274 3275 /* Adjust val for the final section location and GP value. If we 3276 are producing relocatable output, we don't want to do this for 3277 an external symbol. */ 3278 if (! relocatable 3279 || (symbol->flags & BSF_SECTION_SYM) != 0) 3280 val += relocation - gp; 3281 3282 if (reloc_entry->howto->partial_inplace) 3283 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); 3284 else 3285 reloc_entry->addend = val; 3286 3287 if (relocatable) 3288 reloc_entry->address += input_section->output_offset; 3289 3290 return bfd_reloc_ok; 3291 } 3292 3293 /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, 3294 the rest is at bits 6-10. The bitpos already got right by the howto. */ 3295 3296 static bfd_reloc_status_type 3297 mips_elf64_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3298 void *data, asection *input_section, bfd *output_bfd, 3299 char **error_message) 3300 { 3301 if (reloc_entry->howto->partial_inplace) 3302 { 3303 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) 3304 | (reloc_entry->addend & 0x00000800) >> 9); 3305 } 3306 3307 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, 3308 input_section, output_bfd, 3309 error_message); 3310 } 3311 3312 /* Handle a mips16 GP relative reloc. */ 3313 3314 static bfd_reloc_status_type 3315 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, 3316 void *data, asection *input_section, bfd *output_bfd, 3317 char **error_message) 3318 { 3319 bfd_boolean relocatable; 3320 bfd_reloc_status_type ret; 3321 bfd_byte *location; 3322 bfd_vma gp; 3323 3324 /* If we're relocating, and this is an external symbol, we don't want 3325 to change anything. */ 3326 if (output_bfd != NULL 3327 && (symbol->flags & BSF_SECTION_SYM) == 0 3328 && (symbol->flags & BSF_LOCAL) != 0) 3329 { 3330 reloc_entry->address += input_section->output_offset; 3331 return bfd_reloc_ok; 3332 } 3333 3334 if (output_bfd != NULL) 3335 relocatable = TRUE; 3336 else 3337 { 3338 relocatable = FALSE; 3339 output_bfd = symbol->section->output_section->owner; 3340 } 3341 3342 ret = mips_elf64_final_gp (output_bfd, symbol, relocatable, error_message, 3343 &gp); 3344 if (ret != bfd_reloc_ok) 3345 return ret; 3346 3347 location = (bfd_byte *) data + reloc_entry->address; 3348 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, 3349 location); 3350 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, 3351 input_section, relocatable, 3352 data, gp); 3353 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, 3354 location); 3355 3356 return ret; 3357 } 3358 3359 /* A mapping from BFD reloc types to MIPS ELF reloc types. */ 3360 3361 struct elf_reloc_map { 3362 bfd_reloc_code_real_type bfd_val; 3363 enum elf_mips_reloc_type elf_val; 3364 }; 3365 3366 static const struct elf_reloc_map mips_reloc_map[] = 3367 { 3368 { BFD_RELOC_NONE, R_MIPS_NONE }, 3369 { BFD_RELOC_16, R_MIPS_16 }, 3370 { BFD_RELOC_32, R_MIPS_32 }, 3371 /* There is no BFD reloc for R_MIPS_REL32. */ 3372 { BFD_RELOC_64, R_MIPS_64 }, 3373 { BFD_RELOC_CTOR, R_MIPS_64 }, 3374 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, 3375 { BFD_RELOC_HI16_S, R_MIPS_HI16 }, 3376 { BFD_RELOC_LO16, R_MIPS_LO16 }, 3377 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, 3378 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, 3379 { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, 3380 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, 3381 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, 3382 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, 3383 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, 3384 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, 3385 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, 3386 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, 3387 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, 3388 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, 3389 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, 3390 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, 3391 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, 3392 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, 3393 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, 3394 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, 3395 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, 3396 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, 3397 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, 3398 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, 3399 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, 3400 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ 3401 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, 3402 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, 3403 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, 3404 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, 3405 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, 3406 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, 3407 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, 3408 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, 3409 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, 3410 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, 3411 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, 3412 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, 3413 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, 3414 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, 3415 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, 3416 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, 3417 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, 3418 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, 3419 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, 3420 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, 3421 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } 3422 }; 3423 3424 static const struct elf_reloc_map mips16_reloc_map[] = 3425 { 3426 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, 3427 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, 3428 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, 3429 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, 3430 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, 3431 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, 3432 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, 3433 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, 3434 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, 3435 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, 3436 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, 3437 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, 3438 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, 3439 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, 3440 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, 3441 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } 3442 }; 3443 3444 static const struct elf_reloc_map micromips_reloc_map[] = 3445 { 3446 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, 3447 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, 3448 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, 3449 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, 3450 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, 3451 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, 3452 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, 3453 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, 3454 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, 3455 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, 3456 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, 3457 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, 3458 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, 3459 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, 3460 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, 3461 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, 3462 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, 3463 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, 3464 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, 3465 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, 3466 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, 3467 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, 3468 }; 3469 /* Given a BFD reloc type, return a howto structure. */ 3470 3471 static reloc_howto_type * 3472 bfd_elf64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3473 bfd_reloc_code_real_type code) 3474 { 3475 unsigned int i; 3476 /* FIXME: We default to RELA here instead of choosing the right 3477 relocation variant. */ 3478 reloc_howto_type *howto_table = mips_elf64_howto_table_rela; 3479 reloc_howto_type *howto16_table = mips16_elf64_howto_table_rela; 3480 reloc_howto_type *howto_micromips_table = micromips_elf64_howto_table_rela; 3481 3482 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); 3483 i++) 3484 { 3485 if (mips_reloc_map[i].bfd_val == code) 3486 return &howto_table[(int) mips_reloc_map[i].elf_val]; 3487 } 3488 3489 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); 3490 i++) 3491 { 3492 if (mips16_reloc_map[i].bfd_val == code) 3493 return &howto16_table[(int) mips16_reloc_map[i].elf_val]; 3494 } 3495 3496 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); 3497 i++) 3498 { 3499 if (micromips_reloc_map[i].bfd_val == code) 3500 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; 3501 } 3502 3503 switch (code) 3504 { 3505 case BFD_RELOC_VTABLE_INHERIT: 3506 return &elf_mips_gnu_vtinherit_howto; 3507 case BFD_RELOC_VTABLE_ENTRY: 3508 return &elf_mips_gnu_vtentry_howto; 3509 case BFD_RELOC_32_PCREL: 3510 return &elf_mips_gnu_pcrel32; 3511 case BFD_RELOC_MIPS_EH: 3512 return &elf_mips_eh_howto; 3513 case BFD_RELOC_MIPS_COPY: 3514 return &elf_mips_copy_howto; 3515 case BFD_RELOC_MIPS_JUMP_SLOT: 3516 return &elf_mips_jump_slot_howto; 3517 default: 3518 bfd_set_error (bfd_error_bad_value); 3519 return NULL; 3520 } 3521 } 3522 3523 static reloc_howto_type * 3524 bfd_elf64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 3525 const char *r_name) 3526 { 3527 unsigned int i; 3528 3529 for (i = 0; 3530 i < (sizeof (mips_elf64_howto_table_rela) 3531 / sizeof (mips_elf64_howto_table_rela[0])); i++) 3532 if (mips_elf64_howto_table_rela[i].name != NULL 3533 && strcasecmp (mips_elf64_howto_table_rela[i].name, r_name) == 0) 3534 return &mips_elf64_howto_table_rela[i]; 3535 3536 for (i = 0; 3537 i < (sizeof (mips16_elf64_howto_table_rela) 3538 / sizeof (mips16_elf64_howto_table_rela[0])); 3539 i++) 3540 if (mips16_elf64_howto_table_rela[i].name != NULL 3541 && strcasecmp (mips16_elf64_howto_table_rela[i].name, r_name) == 0) 3542 return &mips16_elf64_howto_table_rela[i]; 3543 3544 for (i = 0; 3545 i < (sizeof (micromips_elf64_howto_table_rela) 3546 / sizeof (micromips_elf64_howto_table_rela[0])); 3547 i++) 3548 if (micromips_elf64_howto_table_rela[i].name != NULL 3549 && strcasecmp (micromips_elf64_howto_table_rela[i].name, r_name) == 0) 3550 return µmips_elf64_howto_table_rela[i]; 3551 3552 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) 3553 return &elf_mips_gnu_vtinherit_howto; 3554 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) 3555 return &elf_mips_gnu_vtentry_howto; 3556 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) 3557 return &elf_mips_gnu_rel16_s2; 3558 if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0) 3559 return &elf_mips_gnu_rela16_s2; 3560 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) 3561 return &elf_mips_gnu_pcrel32; 3562 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) 3563 return &elf_mips_eh_howto; 3564 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) 3565 return &elf_mips_copy_howto; 3566 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) 3567 return &elf_mips_jump_slot_howto; 3568 3569 return NULL; 3570 } 3571 3572 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ 3573 3574 static reloc_howto_type * 3575 mips_elf64_rtype_to_howto (bfd *abfd, unsigned int r_type, bfd_boolean rela_p) 3576 { 3577 reloc_howto_type *howto = NULL; 3578 3579 switch (r_type) 3580 { 3581 case R_MIPS_GNU_VTINHERIT: 3582 return &elf_mips_gnu_vtinherit_howto; 3583 case R_MIPS_GNU_VTENTRY: 3584 return &elf_mips_gnu_vtentry_howto; 3585 case R_MIPS_GNU_REL16_S2: 3586 if (rela_p) 3587 return &elf_mips_gnu_rela16_s2; 3588 else 3589 return &elf_mips_gnu_rel16_s2; 3590 case R_MIPS_PC32: 3591 return &elf_mips_gnu_pcrel32; 3592 case R_MIPS_EH: 3593 return &elf_mips_eh_howto; 3594 case R_MIPS_COPY: 3595 return &elf_mips_copy_howto; 3596 case R_MIPS_JUMP_SLOT: 3597 return &elf_mips_jump_slot_howto; 3598 default: 3599 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) 3600 { 3601 if (rela_p) 3602 howto 3603 = µmips_elf64_howto_table_rela[r_type - R_MICROMIPS_min]; 3604 else 3605 howto 3606 = µmips_elf64_howto_table_rel[r_type - R_MICROMIPS_min]; 3607 } 3608 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) 3609 { 3610 if (rela_p) 3611 howto = &mips16_elf64_howto_table_rela[r_type - R_MIPS16_min]; 3612 else 3613 howto = &mips16_elf64_howto_table_rel[r_type - R_MIPS16_min]; 3614 } 3615 if (r_type < R_MIPS_max) 3616 { 3617 if (rela_p) 3618 howto = &mips_elf64_howto_table_rela[r_type]; 3619 else 3620 howto = &mips_elf64_howto_table_rel[r_type]; 3621 } 3622 if (howto != NULL && howto->name != NULL) 3623 return howto; 3624 3625 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 3626 abfd, r_type); 3627 bfd_set_error (bfd_error_bad_value); 3628 return NULL; 3629 } 3630 } 3631 3632 /* Prevent relocation handling by bfd for MIPS ELF64. */ 3633 3634 static bfd_boolean 3635 mips_elf64_info_to_howto_rela (bfd *abfd, 3636 arelent *cache_ptr ATTRIBUTE_UNUSED, 3637 Elf_Internal_Rela *dst) 3638 { 3639 unsigned int r_type = ELF32_R_TYPE (dst->r_info); 3640 /* xgettext:c-format */ 3641 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 3642 abfd, r_type); 3643 bfd_set_error (bfd_error_bad_value); 3644 return FALSE; 3645 } 3646 3647 /* Since each entry in an SHT_REL or SHT_RELA section can represent up 3648 to three relocs, we must tell the user to allocate more space. */ 3649 3650 static long 3651 mips_elf64_get_dynamic_reloc_upper_bound (bfd *abfd) 3652 { 3653 return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 3; 3654 } 3655 3656 /* Read the relocations from one reloc section. This is mostly copied 3657 from elfcode.h, except for the changes to expand one external 3658 relocation to 3 internal ones. To reduce processing effort we 3659 could discard those R_MIPS_NONE relocations that occupy the second 3660 and the third entry of a triplet, as `mips_elf64_write_rel' and 3661 `mips_elf64_write_rela' recreate them in output automagically, 3662 however that would also remove them from `objdump -r' output, 3663 breaking a long-established tradition and likely confusing people. */ 3664 3665 static bfd_boolean 3666 mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect, 3667 Elf_Internal_Shdr *rel_hdr, 3668 bfd_size_type reloc_count, 3669 arelent *relents, asymbol **symbols, 3670 bfd_boolean dynamic) 3671 { 3672 void *allocated; 3673 bfd_byte *native_relocs; 3674 unsigned int symcount; 3675 arelent *relent; 3676 bfd_vma i; 3677 int entsize; 3678 bfd_boolean rela_p; 3679 3680 allocated = bfd_malloc (rel_hdr->sh_size); 3681 if (allocated == NULL) 3682 return FALSE; 3683 3684 if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 3685 || (bfd_bread (allocated, rel_hdr->sh_size, abfd) 3686 != rel_hdr->sh_size)) 3687 goto error_return; 3688 3689 native_relocs = allocated; 3690 3691 entsize = rel_hdr->sh_entsize; 3692 BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) 3693 || entsize == sizeof (Elf64_Mips_External_Rela)); 3694 3695 if (entsize == sizeof (Elf64_Mips_External_Rel)) 3696 rela_p = FALSE; 3697 else 3698 rela_p = TRUE; 3699 3700 if (dynamic) 3701 symcount = bfd_get_dynamic_symcount (abfd); 3702 else 3703 symcount = bfd_get_symcount (abfd); 3704 3705 for (i = 0, relent = relents; 3706 i < reloc_count; 3707 i++, native_relocs += entsize) 3708 { 3709 Elf64_Mips_Internal_Rela rela; 3710 bfd_boolean used_sym, used_ssym; 3711 int ir; 3712 3713 if (entsize == sizeof (Elf64_Mips_External_Rela)) 3714 mips_elf64_swap_reloca_in (abfd, 3715 (Elf64_Mips_External_Rela *) native_relocs, 3716 &rela); 3717 else 3718 mips_elf64_swap_reloc_in (abfd, 3719 (Elf64_Mips_External_Rel *) native_relocs, 3720 &rela); 3721 3722 /* Each entry represents exactly three actual relocations. */ 3723 3724 used_sym = FALSE; 3725 used_ssym = FALSE; 3726 for (ir = 0; ir < 3; ir++) 3727 { 3728 enum elf_mips_reloc_type type; 3729 3730 switch (ir) 3731 { 3732 default: 3733 abort (); 3734 case 0: 3735 type = (enum elf_mips_reloc_type) rela.r_type; 3736 break; 3737 case 1: 3738 type = (enum elf_mips_reloc_type) rela.r_type2; 3739 break; 3740 case 2: 3741 type = (enum elf_mips_reloc_type) rela.r_type3; 3742 break; 3743 } 3744 3745 /* Some types require symbols, whereas some do not. */ 3746 switch (type) 3747 { 3748 case R_MIPS_NONE: 3749 case R_MIPS_LITERAL: 3750 case R_MIPS_INSERT_A: 3751 case R_MIPS_INSERT_B: 3752 case R_MIPS_DELETE: 3753 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3754 break; 3755 3756 default: 3757 if (! used_sym) 3758 { 3759 if (rela.r_sym == STN_UNDEF) 3760 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3761 else if (rela.r_sym > symcount) 3762 { 3763 _bfd_error_handler 3764 /* xgettext:c-format */ 3765 (_("%pB(%pA): relocation %" PRIu64 3766 " has invalid symbol index %ld"), 3767 abfd, asect, (uint64_t) i, rela.r_sym); 3768 bfd_set_error (bfd_error_bad_value); 3769 relent->sym_ptr_ptr 3770 = bfd_abs_section_ptr->symbol_ptr_ptr; 3771 } 3772 else 3773 { 3774 asymbol **ps, *s; 3775 3776 ps = symbols + rela.r_sym - 1; 3777 s = *ps; 3778 if ((s->flags & BSF_SECTION_SYM) == 0) 3779 relent->sym_ptr_ptr = ps; 3780 else 3781 relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; 3782 } 3783 3784 used_sym = TRUE; 3785 } 3786 else if (! used_ssym) 3787 { 3788 switch (rela.r_ssym) 3789 { 3790 case RSS_UNDEF: 3791 relent->sym_ptr_ptr = 3792 bfd_abs_section_ptr->symbol_ptr_ptr; 3793 break; 3794 3795 case RSS_GP: 3796 case RSS_GP0: 3797 case RSS_LOC: 3798 /* FIXME: I think these need to be handled using 3799 special howto structures. */ 3800 BFD_ASSERT (0); 3801 break; 3802 3803 default: 3804 BFD_ASSERT (0); 3805 break; 3806 } 3807 3808 used_ssym = TRUE; 3809 } 3810 else 3811 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; 3812 3813 break; 3814 } 3815 3816 /* The address of an ELF reloc is section relative for an 3817 object file, and absolute for an executable file or 3818 shared library. The address of a BFD reloc is always 3819 section relative. */ 3820 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) 3821 relent->address = rela.r_offset; 3822 else 3823 relent->address = rela.r_offset - asect->vma; 3824 3825 relent->addend = rela.r_addend; 3826 3827 relent->howto = mips_elf64_rtype_to_howto (abfd, type, rela_p); 3828 if (relent->howto == NULL) 3829 goto error_return; 3830 3831 ++relent; 3832 } 3833 } 3834 3835 if (allocated != NULL) 3836 free (allocated); 3837 3838 return TRUE; 3839 3840 error_return: 3841 if (allocated != NULL) 3842 free (allocated); 3843 return FALSE; 3844 } 3845 3846 /* Read the relocations. On Irix 6, there can be two reloc sections 3847 associated with a single data section. This is copied from 3848 elfcode.h as well, with changes as small as accounting for 3 3849 internal relocs per external reloc. */ 3850 3851 static bfd_boolean 3852 mips_elf64_slurp_reloc_table (bfd *abfd, asection *asect, 3853 asymbol **symbols, bfd_boolean dynamic) 3854 { 3855 struct bfd_elf_section_data * const d = elf_section_data (asect); 3856 Elf_Internal_Shdr *rel_hdr; 3857 Elf_Internal_Shdr *rel_hdr2; 3858 bfd_size_type reloc_count; 3859 bfd_size_type reloc_count2; 3860 arelent *relents; 3861 bfd_size_type amt; 3862 3863 if (asect->relocation != NULL) 3864 return TRUE; 3865 3866 if (! dynamic) 3867 { 3868 if ((asect->flags & SEC_RELOC) == 0 3869 || asect->reloc_count == 0) 3870 return TRUE; 3871 3872 rel_hdr = d->rel.hdr; 3873 reloc_count = rel_hdr ? NUM_SHDR_ENTRIES (rel_hdr) : 0; 3874 rel_hdr2 = d->rela.hdr; 3875 reloc_count2 = (rel_hdr2 ? NUM_SHDR_ENTRIES (rel_hdr2) : 0); 3876 3877 BFD_ASSERT (asect->reloc_count == 3 * (reloc_count + reloc_count2)); 3878 BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) 3879 || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); 3880 3881 } 3882 else 3883 { 3884 /* Note that ASECT->RELOC_COUNT tends not to be accurate in this 3885 case because relocations against this section may use the 3886 dynamic symbol table, and in that case bfd_section_from_shdr 3887 in elf.c does not update the RELOC_COUNT. */ 3888 if (asect->size == 0) 3889 return TRUE; 3890 3891 rel_hdr = &d->this_hdr; 3892 reloc_count = NUM_SHDR_ENTRIES (rel_hdr); 3893 rel_hdr2 = NULL; 3894 reloc_count2 = 0; 3895 } 3896 3897 /* Allocate space for 3 arelent structures for each Rel structure. */ 3898 amt = (reloc_count + reloc_count2) * 3 * sizeof (arelent); 3899 relents = bfd_alloc (abfd, amt); 3900 if (relents == NULL) 3901 return FALSE; 3902 3903 if (rel_hdr != NULL 3904 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3905 rel_hdr, reloc_count, 3906 relents, 3907 symbols, dynamic)) 3908 return FALSE; 3909 if (rel_hdr2 != NULL 3910 && ! mips_elf64_slurp_one_reloc_table (abfd, asect, 3911 rel_hdr2, reloc_count2, 3912 relents + reloc_count * 3, 3913 symbols, dynamic)) 3914 return FALSE; 3915 3916 asect->relocation = relents; 3917 return TRUE; 3918 } 3919 3920 /* Write out the relocations. */ 3921 3922 static void 3923 mips_elf64_write_relocs (bfd *abfd, asection *sec, void *data) 3924 { 3925 bfd_boolean *failedp = data; 3926 int count; 3927 Elf_Internal_Shdr *rel_hdr; 3928 unsigned int idx; 3929 3930 /* If we have already failed, don't do anything. */ 3931 if (*failedp) 3932 return; 3933 3934 if ((sec->flags & SEC_RELOC) == 0) 3935 return; 3936 3937 /* The linker backend writes the relocs out itself, and sets the 3938 reloc_count field to zero to inhibit writing them here. Also, 3939 sometimes the SEC_RELOC flag gets set even when there aren't any 3940 relocs. */ 3941 if (sec->reloc_count == 0) 3942 return; 3943 3944 /* We can combine up to three relocs that refer to the same address 3945 if the latter relocs have no associated symbol. */ 3946 count = 0; 3947 for (idx = 0; idx < sec->reloc_count; idx++) 3948 { 3949 bfd_vma addr; 3950 unsigned int i; 3951 3952 ++count; 3953 3954 addr = sec->orelocation[idx]->address; 3955 for (i = 0; i < 2; i++) 3956 { 3957 arelent *r; 3958 3959 if (idx + 1 >= sec->reloc_count) 3960 break; 3961 r = sec->orelocation[idx + 1]; 3962 if (r->address != addr 3963 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 3964 || (*r->sym_ptr_ptr)->value != 0) 3965 break; 3966 3967 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 3968 3969 ++idx; 3970 } 3971 } 3972 3973 rel_hdr = _bfd_elf_single_rel_hdr (sec); 3974 3975 /* Do the actual relocation. */ 3976 3977 if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rel)) 3978 mips_elf64_write_rel (abfd, sec, rel_hdr, &count, data); 3979 else if (rel_hdr->sh_entsize == sizeof(Elf64_Mips_External_Rela)) 3980 mips_elf64_write_rela (abfd, sec, rel_hdr, &count, data); 3981 else 3982 BFD_ASSERT (0); 3983 } 3984 3985 static void 3986 mips_elf64_write_rel (bfd *abfd, asection *sec, 3987 Elf_Internal_Shdr *rel_hdr, 3988 int *count, void *data) 3989 { 3990 bfd_boolean *failedp = data; 3991 Elf64_Mips_External_Rel *ext_rel; 3992 unsigned int idx; 3993 asymbol *last_sym = 0; 3994 int last_sym_idx = 0; 3995 3996 rel_hdr->sh_size = rel_hdr->sh_entsize * *count; 3997 rel_hdr->contents = bfd_alloc (abfd, rel_hdr->sh_size); 3998 if (rel_hdr->contents == NULL) 3999 { 4000 *failedp = TRUE; 4001 return; 4002 } 4003 4004 ext_rel = (Elf64_Mips_External_Rel *) rel_hdr->contents; 4005 for (idx = 0; idx < sec->reloc_count; idx++, ext_rel++) 4006 { 4007 arelent *ptr; 4008 Elf64_Mips_Internal_Rela int_rel; 4009 asymbol *sym; 4010 int n; 4011 unsigned int i; 4012 4013 ptr = sec->orelocation[idx]; 4014 4015 /* The address of an ELF reloc is section relative for an object 4016 file, and absolute for an executable file or shared library. 4017 The address of a BFD reloc is always section relative. */ 4018 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4019 int_rel.r_offset = ptr->address; 4020 else 4021 int_rel.r_offset = ptr->address + sec->vma; 4022 4023 sym = *ptr->sym_ptr_ptr; 4024 if (sym == last_sym) 4025 n = last_sym_idx; 4026 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4027 n = STN_UNDEF; 4028 else 4029 { 4030 last_sym = sym; 4031 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4032 if (n < 0) 4033 { 4034 *failedp = TRUE; 4035 return; 4036 } 4037 last_sym_idx = n; 4038 } 4039 4040 int_rel.r_sym = n; 4041 int_rel.r_ssym = RSS_UNDEF; 4042 4043 if ((*ptr->sym_ptr_ptr)->the_bfd != NULL 4044 && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4045 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4046 { 4047 *failedp = TRUE; 4048 return; 4049 } 4050 4051 int_rel.r_type = ptr->howto->type; 4052 int_rel.r_type2 = (int) R_MIPS_NONE; 4053 int_rel.r_type3 = (int) R_MIPS_NONE; 4054 4055 for (i = 0; i < 2; i++) 4056 { 4057 arelent *r; 4058 4059 if (idx + 1 >= sec->reloc_count) 4060 break; 4061 r = sec->orelocation[idx + 1]; 4062 if (r->address != ptr->address 4063 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4064 || (*r->sym_ptr_ptr)->value != 0) 4065 break; 4066 4067 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4068 4069 if (i == 0) 4070 int_rel.r_type2 = r->howto->type; 4071 else 4072 int_rel.r_type3 = r->howto->type; 4073 4074 ++idx; 4075 } 4076 4077 mips_elf64_swap_reloc_out (abfd, &int_rel, ext_rel); 4078 } 4079 4080 BFD_ASSERT (ext_rel - (Elf64_Mips_External_Rel *) rel_hdr->contents 4081 == *count); 4082 } 4083 4084 static void 4085 mips_elf64_write_rela (bfd *abfd, asection *sec, 4086 Elf_Internal_Shdr *rela_hdr, 4087 int *count, void *data) 4088 { 4089 bfd_boolean *failedp = data; 4090 Elf64_Mips_External_Rela *ext_rela; 4091 unsigned int idx; 4092 asymbol *last_sym = 0; 4093 int last_sym_idx = 0; 4094 4095 rela_hdr->sh_size = rela_hdr->sh_entsize * *count; 4096 rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); 4097 if (rela_hdr->contents == NULL) 4098 { 4099 *failedp = TRUE; 4100 return; 4101 } 4102 4103 ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; 4104 for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) 4105 { 4106 arelent *ptr; 4107 Elf64_Mips_Internal_Rela int_rela; 4108 asymbol *sym; 4109 int n; 4110 unsigned int i; 4111 4112 ptr = sec->orelocation[idx]; 4113 4114 /* The address of an ELF reloc is section relative for an object 4115 file, and absolute for an executable file or shared library. 4116 The address of a BFD reloc is always section relative. */ 4117 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) 4118 int_rela.r_offset = ptr->address; 4119 else 4120 int_rela.r_offset = ptr->address + sec->vma; 4121 4122 sym = *ptr->sym_ptr_ptr; 4123 if (sym == last_sym) 4124 n = last_sym_idx; 4125 else if (bfd_is_abs_section (sym->section) && sym->value == 0) 4126 n = STN_UNDEF; 4127 else 4128 { 4129 last_sym = sym; 4130 n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); 4131 if (n < 0) 4132 { 4133 *failedp = TRUE; 4134 return; 4135 } 4136 last_sym_idx = n; 4137 } 4138 4139 int_rela.r_sym = n; 4140 int_rela.r_addend = ptr->addend; 4141 int_rela.r_ssym = RSS_UNDEF; 4142 4143 if ((*ptr->sym_ptr_ptr)->the_bfd != NULL 4144 && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec 4145 && ! _bfd_elf_validate_reloc (abfd, ptr)) 4146 { 4147 *failedp = TRUE; 4148 return; 4149 } 4150 4151 int_rela.r_type = ptr->howto->type; 4152 int_rela.r_type2 = (int) R_MIPS_NONE; 4153 int_rela.r_type3 = (int) R_MIPS_NONE; 4154 4155 for (i = 0; i < 2; i++) 4156 { 4157 arelent *r; 4158 4159 if (idx + 1 >= sec->reloc_count) 4160 break; 4161 r = sec->orelocation[idx + 1]; 4162 if (r->address != ptr->address 4163 || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) 4164 || (*r->sym_ptr_ptr)->value != 0) 4165 break; 4166 4167 /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ 4168 4169 if (i == 0) 4170 int_rela.r_type2 = r->howto->type; 4171 else 4172 int_rela.r_type3 = r->howto->type; 4173 4174 ++idx; 4175 } 4176 4177 mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); 4178 } 4179 4180 BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents 4181 == *count); 4182 } 4183 4184 /* Set the right machine number for a MIPS ELF file. */ 4185 4186 static bfd_boolean 4187 mips_elf64_object_p (bfd *abfd) 4188 { 4189 unsigned long mach; 4190 4191 /* Irix 6 is broken. Object file symbol tables are not always 4192 sorted correctly such that local symbols precede global symbols, 4193 and the sh_info field in the symbol table is not always right. */ 4194 if (elf64_mips_irix_compat (abfd) != ict_none) 4195 elf_bad_symtab (abfd) = TRUE; 4196 4197 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); 4198 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); 4199 return TRUE; 4200 } 4201 4202 /* MIPS ELF local labels start with "$L". */ 4203 static bfd_boolean 4204 mips_elf64_is_local_label_name (bfd *abfd, const char *name) 4205 { 4206 if (name[0] == '$' && name[1] == 'L') 4207 return TRUE; 4208 4209 /* We accept the generic ELF local label syntax as well. */ 4210 return _bfd_elf_is_local_label_name (abfd, name); 4211 } 4212 4213 /* Depending on the target vector we generate some version of Irix 4214 executables or "normal" MIPS ELF ABI executables. */ 4215 static irix_compat_t 4216 elf64_mips_irix_compat (bfd *abfd) 4217 { 4218 if ((abfd->xvec == &mips_elf64_be_vec) 4219 || (abfd->xvec == &mips_elf64_le_vec)) 4220 return ict_irix6; 4221 else 4222 return ict_none; 4223 } 4224 4225 /* Support for core dump NOTE sections. */ 4226 static bfd_boolean 4227 elf64_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) 4228 { 4229 int offset; 4230 unsigned int size; 4231 4232 switch (note->descsz) 4233 { 4234 default: 4235 return FALSE; 4236 4237 case 480: /* Linux/MIPS - N64 kernel */ 4238 /* pr_cursig */ 4239 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); 4240 4241 /* pr_pid */ 4242 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 32); 4243 4244 /* pr_reg */ 4245 offset = 112; 4246 size = 360; 4247 4248 break; 4249 } 4250 4251 /* Make a ".reg/999" section. */ 4252 return _bfd_elfcore_make_pseudosection (abfd, ".reg", 4253 size, note->descpos + offset); 4254 } 4255 4256 static bfd_boolean 4257 elf64_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) 4258 { 4259 switch (note->descsz) 4260 { 4261 default: 4262 return FALSE; 4263 4264 case 136: /* Linux/MIPS - N64 kernel elf_prpsinfo */ 4265 elf_tdata (abfd)->core->pid 4266 = bfd_get_32 (abfd, note->descdata + 24); 4267 elf_tdata (abfd)->core->program 4268 = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); 4269 elf_tdata (abfd)->core->command 4270 = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); 4271 } 4272 4273 /* Note that for some reason, a spurious space is tacked 4274 onto the end of the args in some (at least one anyway) 4275 implementations, so strip it off if it exists. */ 4276 4277 { 4278 char *command = elf_tdata (abfd)->core->command; 4279 int n = strlen (command); 4280 4281 if (0 < n && command[n - 1] == ' ') 4282 command[n - 1] = '\0'; 4283 } 4284 4285 return TRUE; 4286 } 4287 4288 /* Write Linux core PRSTATUS note into core file. */ 4289 4290 static char * 4291 elf64_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, 4292 ...) 4293 { 4294 switch (note_type) 4295 { 4296 default: 4297 return NULL; 4298 4299 case NT_PRPSINFO: 4300 BFD_FAIL (); 4301 return NULL; 4302 4303 case NT_PRSTATUS: 4304 { 4305 char data[480]; 4306 va_list ap; 4307 long pid; 4308 int cursig; 4309 const void *greg; 4310 4311 va_start (ap, note_type); 4312 memset (data, 0, 112); 4313 pid = va_arg (ap, long); 4314 bfd_put_32 (abfd, pid, data + 32); 4315 cursig = va_arg (ap, int); 4316 bfd_put_16 (abfd, cursig, data + 12); 4317 greg = va_arg (ap, const void *); 4318 memcpy (data + 112, greg, 360); 4319 memset (data + 472, 0, 8); 4320 va_end (ap); 4321 return elfcore_write_note (abfd, buf, bufsiz, 4322 "CORE", note_type, data, sizeof (data)); 4323 } 4324 } 4325 } 4326 4327 /* ECOFF swapping routines. These are used when dealing with the 4328 .mdebug section, which is in the ECOFF debugging format. */ 4329 static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = 4330 { 4331 /* Symbol table magic number. */ 4332 magicSym2, 4333 /* Alignment of debugging information. E.g., 4. */ 4334 8, 4335 /* Sizes of external symbolic information. */ 4336 sizeof (struct hdr_ext), 4337 sizeof (struct dnr_ext), 4338 sizeof (struct pdr_ext), 4339 sizeof (struct sym_ext), 4340 sizeof (struct opt_ext), 4341 sizeof (struct fdr_ext), 4342 sizeof (struct rfd_ext), 4343 sizeof (struct ext_ext), 4344 /* Functions to swap in external symbolic data. */ 4345 ecoff_swap_hdr_in, 4346 ecoff_swap_dnr_in, 4347 ecoff_swap_pdr_in, 4348 ecoff_swap_sym_in, 4349 ecoff_swap_opt_in, 4350 ecoff_swap_fdr_in, 4351 ecoff_swap_rfd_in, 4352 ecoff_swap_ext_in, 4353 _bfd_ecoff_swap_tir_in, 4354 _bfd_ecoff_swap_rndx_in, 4355 /* Functions to swap out external symbolic data. */ 4356 ecoff_swap_hdr_out, 4357 ecoff_swap_dnr_out, 4358 ecoff_swap_pdr_out, 4359 ecoff_swap_sym_out, 4360 ecoff_swap_opt_out, 4361 ecoff_swap_fdr_out, 4362 ecoff_swap_rfd_out, 4363 ecoff_swap_ext_out, 4364 _bfd_ecoff_swap_tir_out, 4365 _bfd_ecoff_swap_rndx_out, 4366 /* Function to read in symbolic data. */ 4367 _bfd_mips_elf_read_ecoff_info 4368 }; 4369 4370 /* Relocations in the 64 bit MIPS ELF ABI are more complex than in 4371 standard ELF. This structure is used to redirect the relocation 4372 handling routines. */ 4373 4374 const struct elf_size_info mips_elf64_size_info = 4375 { 4376 sizeof (Elf64_External_Ehdr), 4377 sizeof (Elf64_External_Phdr), 4378 sizeof (Elf64_External_Shdr), 4379 sizeof (Elf64_Mips_External_Rel), 4380 sizeof (Elf64_Mips_External_Rela), 4381 sizeof (Elf64_External_Sym), 4382 sizeof (Elf64_External_Dyn), 4383 sizeof (Elf_External_Note), 4384 4, /* hash-table entry size */ 4385 3, /* internal relocations per external relocations */ 4386 64, /* arch_size */ 4387 3, /* log_file_align */ 4388 ELFCLASS64, 4389 EV_CURRENT, 4390 bfd_elf64_write_out_phdrs, 4391 bfd_elf64_write_shdrs_and_ehdr, 4392 bfd_elf64_checksum_contents, 4393 mips_elf64_write_relocs, 4394 bfd_elf64_swap_symbol_in, 4395 bfd_elf64_swap_symbol_out, 4396 mips_elf64_slurp_reloc_table, 4397 bfd_elf64_slurp_symbol_table, 4398 bfd_elf64_swap_dyn_in, 4399 bfd_elf64_swap_dyn_out, 4400 mips_elf64_be_swap_reloc_in, 4401 mips_elf64_be_swap_reloc_out, 4402 mips_elf64_be_swap_reloca_in, 4403 mips_elf64_be_swap_reloca_out 4404 }; 4405 4406 #define ELF_ARCH bfd_arch_mips 4407 #define ELF_TARGET_ID MIPS_ELF_DATA 4408 #define ELF_MACHINE_CODE EM_MIPS 4409 4410 #define elf_backend_collect TRUE 4411 #define elf_backend_type_change_ok TRUE 4412 #define elf_backend_can_gc_sections TRUE 4413 #define elf_backend_gc_mark_extra_sections \ 4414 _bfd_mips_elf_gc_mark_extra_sections 4415 #define elf_info_to_howto mips_elf64_info_to_howto_rela 4416 #define elf_info_to_howto_rel mips_elf64_info_to_howto_rela 4417 #define elf_backend_object_p mips_elf64_object_p 4418 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing 4419 #define elf_backend_section_processing _bfd_mips_elf_section_processing 4420 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr 4421 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections 4422 #define elf_backend_section_from_bfd_section \ 4423 _bfd_mips_elf_section_from_bfd_section 4424 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook 4425 #define elf_backend_link_output_symbol_hook \ 4426 _bfd_mips_elf_link_output_symbol_hook 4427 #define elf_backend_create_dynamic_sections \ 4428 _bfd_mips_elf_create_dynamic_sections 4429 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs 4430 #define elf_backend_merge_symbol_attribute \ 4431 _bfd_mips_elf_merge_symbol_attribute 4432 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag 4433 #define elf_backend_adjust_dynamic_symbol \ 4434 _bfd_mips_elf_adjust_dynamic_symbol 4435 #define elf_backend_always_size_sections \ 4436 _bfd_mips_elf_always_size_sections 4437 #define elf_backend_size_dynamic_sections \ 4438 _bfd_mips_elf_size_dynamic_sections 4439 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 4440 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section 4441 #define elf_backend_finish_dynamic_symbol \ 4442 _bfd_mips_elf_finish_dynamic_symbol 4443 #define elf_backend_finish_dynamic_sections \ 4444 _bfd_mips_elf_finish_dynamic_sections 4445 #define elf_backend_final_write_processing \ 4446 _bfd_mips_elf_final_write_processing 4447 #define elf_backend_additional_program_headers \ 4448 _bfd_mips_elf_additional_program_headers 4449 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map 4450 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook 4451 #define elf_backend_copy_indirect_symbol \ 4452 _bfd_mips_elf_copy_indirect_symbol 4453 #define elf_backend_ignore_discarded_relocs \ 4454 _bfd_mips_elf_ignore_discarded_relocs 4455 #define elf_backend_mips_irix_compat elf64_mips_irix_compat 4456 #define elf_backend_mips_rtype_to_howto mips_elf64_rtype_to_howto 4457 #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap 4458 #define elf_backend_size_info mips_elf64_size_info 4459 4460 #define elf_backend_grok_prstatus elf64_mips_grok_prstatus 4461 #define elf_backend_grok_psinfo elf64_mips_grok_psinfo 4462 4463 #define elf_backend_got_header_size (8 * MIPS_RESERVED_GOTNO) 4464 #define elf_backend_want_dynrelro 1 4465 4466 /* MIPS ELF64 can use a mixture of REL and RELA, but some Relocations 4467 work better/work only in RELA, so we default to this. */ 4468 #define elf_backend_may_use_rel_p 1 4469 #define elf_backend_may_use_rela_p 1 4470 #define elf_backend_default_use_rela_p 1 4471 #define elf_backend_rela_plts_and_copies_p 0 4472 #define elf_backend_plt_readonly 1 4473 #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val 4474 4475 #define elf_backend_sign_extend_vma TRUE 4476 4477 #define elf_backend_write_section _bfd_mips_elf_write_section 4478 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p 4479 4480 #define bfd_elf64_bfd_is_local_label_name \ 4481 mips_elf64_is_local_label_name 4482 #define bfd_elf64_bfd_is_target_special_symbol \ 4483 _bfd_mips_elf_is_target_special_symbol 4484 #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line 4485 #define bfd_elf64_find_inliner_info _bfd_mips_elf_find_inliner_info 4486 #define bfd_elf64_new_section_hook _bfd_mips_elf_new_section_hook 4487 #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents 4488 #define bfd_elf64_bfd_get_relocated_section_contents \ 4489 _bfd_elf_mips_get_relocated_section_contents 4490 #define bfd_elf64_bfd_link_hash_table_create \ 4491 _bfd_mips_elf_link_hash_table_create 4492 #define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link 4493 #define bfd_elf64_bfd_merge_private_bfd_data \ 4494 _bfd_mips_elf_merge_private_bfd_data 4495 #define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags 4496 #define bfd_elf64_bfd_print_private_bfd_data \ 4497 _bfd_mips_elf_print_private_bfd_data 4498 4499 #define bfd_elf64_get_dynamic_reloc_upper_bound mips_elf64_get_dynamic_reloc_upper_bound 4500 #define bfd_elf64_mkobject _bfd_mips_elf_mkobject 4501 4502 /* The SGI style (n)64 NewABI. */ 4503 #define TARGET_LITTLE_SYM mips_elf64_le_vec 4504 #define TARGET_LITTLE_NAME "elf64-littlemips" 4505 #define TARGET_BIG_SYM mips_elf64_be_vec 4506 #define TARGET_BIG_NAME "elf64-bigmips" 4507 4508 #define ELF_MAXPAGESIZE 0x10000 4509 #define ELF_COMMONPAGESIZE 0x1000 4510 4511 #include "elf64-target.h" 4512 4513 /* The SYSV-style 'traditional' (n)64 NewABI. */ 4514 #undef TARGET_LITTLE_SYM 4515 #undef TARGET_LITTLE_NAME 4516 #undef TARGET_BIG_SYM 4517 #undef TARGET_BIG_NAME 4518 4519 #undef ELF_MAXPAGESIZE 4520 #undef ELF_COMMONPAGESIZE 4521 4522 #define TARGET_LITTLE_SYM mips_elf64_trad_le_vec 4523 #define TARGET_LITTLE_NAME "elf64-tradlittlemips" 4524 #define TARGET_BIG_SYM mips_elf64_trad_be_vec 4525 #define TARGET_BIG_NAME "elf64-tradbigmips" 4526 4527 #define ELF_MAXPAGESIZE 0x10000 4528 #define ELF_COMMONPAGESIZE 0x1000 4529 #define elf64_bed elf64_tradbed 4530 4531 #undef elf_backend_write_core_note 4532 #define elf_backend_write_core_note elf64_mips_write_core_note 4533 4534 /* Include the target file again for this target. */ 4535 #include "elf64-target.h" 4536 4537 4538 /* FreeBSD support. */ 4539 4540 #undef TARGET_LITTLE_SYM 4541 #undef TARGET_LITTLE_NAME 4542 #undef TARGET_BIG_SYM 4543 #undef TARGET_BIG_NAME 4544 4545 #define TARGET_LITTLE_SYM mips_elf64_tradfbsd_le_vec 4546 #define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd" 4547 #define TARGET_BIG_SYM mips_elf64_tradfbsd_be_vec 4548 #define TARGET_BIG_NAME "elf64-tradbigmips-freebsd" 4549 4550 #undef ELF_OSABI 4551 #define ELF_OSABI ELFOSABI_FREEBSD 4552 4553 #undef elf64_bed 4554 #define elf64_bed elf64_fbsd_tradbed 4555 4556 #undef elf64_mips_write_core_note 4557 4558 #include "elf64-target.h" 4559