| 1 | /* MIPS-specific support for 32-bit ELF |
| 2 | Copyright (C) 1993-2016 Free Software Foundation, Inc. |
| 3 | |
| 4 | Most of the information added by Ian Lance Taylor, Cygnus Support, |
| 5 | <ian@cygnus.com>. |
| 6 | N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. |
| 7 | <mark@codesourcery.com> |
| 8 | Traditional MIPS targets support added by Koundinya.K, Dansk Data |
| 9 | Elektronik & Operations Research Group. <kk@ddeorg.soft.net> |
| 10 | |
| 11 | This file is part of BFD, the Binary File Descriptor library. |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
| 15 | the Free Software Foundation; either version 3 of the License, or |
| 16 | (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, |
| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | GNU General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 26 | MA 02110-1301, USA. */ |
| 27 | |
| 28 | |
| 29 | /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly |
| 30 | different MIPS ELF from other targets. This matters when linking. |
| 31 | This file supports both, switching at runtime. */ |
| 32 | |
| 33 | #include "sysdep.h" |
| 34 | #include "bfd.h" |
| 35 | #include "libbfd.h" |
| 36 | #include "bfdlink.h" |
| 37 | #include "genlink.h" |
| 38 | #include "elf-bfd.h" |
| 39 | #include "elfxx-mips.h" |
| 40 | #include "elf/mips.h" |
| 41 | |
| 42 | /* Get the ECOFF swapping routines. */ |
| 43 | #include "coff/sym.h" |
| 44 | #include "coff/symconst.h" |
| 45 | #include "coff/internal.h" |
| 46 | #include "coff/ecoff.h" |
| 47 | #include "coff/mips.h" |
| 48 | #define ECOFF_SIGNED_32 |
| 49 | #include "ecoffswap.h" |
| 50 | |
| 51 | static bfd_boolean mips_elf_assign_gp |
| 52 | (bfd *, bfd_vma *); |
| 53 | static bfd_reloc_status_type mips_elf_final_gp |
| 54 | (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); |
| 55 | static bfd_reloc_status_type mips_elf_gprel16_reloc |
| 56 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| 57 | static bfd_reloc_status_type mips_elf_literal_reloc |
| 58 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| 59 | static bfd_reloc_status_type mips_elf_gprel32_reloc |
| 60 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| 61 | static bfd_reloc_status_type gprel32_with_gp |
| 62 | (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); |
| 63 | static bfd_reloc_status_type mips_elf_shift6_reloc |
| 64 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| 65 | static bfd_reloc_status_type mips16_gprel_reloc |
| 66 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| 67 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
| 68 | (bfd *, bfd_reloc_code_real_type); |
| 69 | static reloc_howto_type *mips_elf_n32_rtype_to_howto |
| 70 | (unsigned int, bfd_boolean); |
| 71 | static void mips_info_to_howto_rel |
| 72 | (bfd *, arelent *, Elf_Internal_Rela *); |
| 73 | static void mips_info_to_howto_rela |
| 74 | (bfd *, arelent *, Elf_Internal_Rela *); |
| 75 | static bfd_boolean mips_elf_sym_is_global |
| 76 | (bfd *, asymbol *); |
| 77 | static bfd_boolean mips_elf_n32_object_p |
| 78 | (bfd *); |
| 79 | static bfd_boolean elf32_mips_grok_prstatus |
| 80 | (bfd *, Elf_Internal_Note *); |
| 81 | static bfd_boolean elf32_mips_grok_psinfo |
| 82 | (bfd *, Elf_Internal_Note *); |
| 83 | static irix_compat_t elf_n32_mips_irix_compat |
| 84 | (bfd *); |
| 85 | |
| 86 | extern const bfd_target mips_elf32_n_be_vec; |
| 87 | extern const bfd_target mips_elf32_n_le_vec; |
| 88 | |
| 89 | /* Nonzero if ABFD is using the N32 ABI. */ |
| 90 | #define ABI_N32_P(abfd) \ |
| 91 | ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) |
| 92 | |
| 93 | /* Whether we are trying to be compatible with IRIX at all. */ |
| 94 | #define SGI_COMPAT(abfd) \ |
| 95 | (elf_n32_mips_irix_compat (abfd) != ict_none) |
| 96 | |
| 97 | /* The number of local .got entries we reserve. */ |
| 98 | #define MIPS_RESERVED_GOTNO (2) |
| 99 | |
| 100 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value |
| 101 | from smaller values. Start with zero, widen, *then* decrement. */ |
| 102 | #define MINUS_ONE (((bfd_vma)0) - 1) |
| 103 | |
| 104 | /* The relocation table used for SHT_REL sections. */ |
| 105 | |
| 106 | static reloc_howto_type elf_mips_howto_table_rel[] = |
| 107 | { |
| 108 | /* No relocation. */ |
| 109 | HOWTO (R_MIPS_NONE, /* type */ |
| 110 | 0, /* rightshift */ |
| 111 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
| 112 | 0, /* bitsize */ |
| 113 | FALSE, /* pc_relative */ |
| 114 | 0, /* bitpos */ |
| 115 | complain_overflow_dont, /* complain_on_overflow */ |
| 116 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 117 | "R_MIPS_NONE", /* name */ |
| 118 | FALSE, /* partial_inplace */ |
| 119 | 0, /* src_mask */ |
| 120 | 0, /* dst_mask */ |
| 121 | FALSE), /* pcrel_offset */ |
| 122 | |
| 123 | /* 16 bit relocation. */ |
| 124 | HOWTO (R_MIPS_16, /* type */ |
| 125 | 0, /* rightshift */ |
| 126 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 127 | 16, /* bitsize */ |
| 128 | FALSE, /* pc_relative */ |
| 129 | 0, /* bitpos */ |
| 130 | complain_overflow_signed, /* complain_on_overflow */ |
| 131 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 132 | "R_MIPS_16", /* name */ |
| 133 | TRUE, /* partial_inplace */ |
| 134 | 0x0000ffff, /* src_mask */ |
| 135 | 0x0000ffff, /* dst_mask */ |
| 136 | FALSE), /* pcrel_offset */ |
| 137 | |
| 138 | /* 32 bit relocation. */ |
| 139 | HOWTO (R_MIPS_32, /* type */ |
| 140 | 0, /* rightshift */ |
| 141 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 142 | 32, /* bitsize */ |
| 143 | FALSE, /* pc_relative */ |
| 144 | 0, /* bitpos */ |
| 145 | complain_overflow_dont, /* complain_on_overflow */ |
| 146 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 147 | "R_MIPS_32", /* name */ |
| 148 | TRUE, /* partial_inplace */ |
| 149 | 0xffffffff, /* src_mask */ |
| 150 | 0xffffffff, /* dst_mask */ |
| 151 | FALSE), /* pcrel_offset */ |
| 152 | |
| 153 | /* 32 bit symbol relative relocation. */ |
| 154 | HOWTO (R_MIPS_REL32, /* type */ |
| 155 | 0, /* rightshift */ |
| 156 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 157 | 32, /* bitsize */ |
| 158 | FALSE, /* pc_relative */ |
| 159 | 0, /* bitpos */ |
| 160 | complain_overflow_dont, /* complain_on_overflow */ |
| 161 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 162 | "R_MIPS_REL32", /* name */ |
| 163 | TRUE, /* partial_inplace */ |
| 164 | 0xffffffff, /* src_mask */ |
| 165 | 0xffffffff, /* dst_mask */ |
| 166 | FALSE), /* pcrel_offset */ |
| 167 | |
| 168 | /* 26 bit jump address. */ |
| 169 | HOWTO (R_MIPS_26, /* type */ |
| 170 | 2, /* rightshift */ |
| 171 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 172 | 26, /* bitsize */ |
| 173 | FALSE, /* pc_relative */ |
| 174 | 0, /* bitpos */ |
| 175 | complain_overflow_dont, /* complain_on_overflow */ |
| 176 | /* This needs complex overflow |
| 177 | detection, because the upper four |
| 178 | bits must match the PC + 4. */ |
| 179 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 180 | "R_MIPS_26", /* name */ |
| 181 | TRUE, /* partial_inplace */ |
| 182 | 0x03ffffff, /* src_mask */ |
| 183 | 0x03ffffff, /* dst_mask */ |
| 184 | FALSE), /* pcrel_offset */ |
| 185 | |
| 186 | /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. |
| 187 | However, the native IRIX6 tools use them, so we try our best. */ |
| 188 | |
| 189 | /* High 16 bits of symbol value. */ |
| 190 | HOWTO (R_MIPS_HI16, /* type */ |
| 191 | 16, /* rightshift */ |
| 192 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 193 | 16, /* bitsize */ |
| 194 | FALSE, /* pc_relative */ |
| 195 | 0, /* bitpos */ |
| 196 | complain_overflow_dont, /* complain_on_overflow */ |
| 197 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
| 198 | "R_MIPS_HI16", /* name */ |
| 199 | TRUE, /* partial_inplace */ |
| 200 | 0x0000ffff, /* src_mask */ |
| 201 | 0x0000ffff, /* dst_mask */ |
| 202 | FALSE), /* pcrel_offset */ |
| 203 | |
| 204 | /* Low 16 bits of symbol value. */ |
| 205 | HOWTO (R_MIPS_LO16, /* type */ |
| 206 | 0, /* rightshift */ |
| 207 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 208 | 16, /* bitsize */ |
| 209 | FALSE, /* pc_relative */ |
| 210 | 0, /* bitpos */ |
| 211 | complain_overflow_dont, /* complain_on_overflow */ |
| 212 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
| 213 | "R_MIPS_LO16", /* name */ |
| 214 | TRUE, /* partial_inplace */ |
| 215 | 0x0000ffff, /* src_mask */ |
| 216 | 0x0000ffff, /* dst_mask */ |
| 217 | FALSE), /* pcrel_offset */ |
| 218 | |
| 219 | /* GP relative reference. */ |
| 220 | HOWTO (R_MIPS_GPREL16, /* type */ |
| 221 | 0, /* rightshift */ |
| 222 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 223 | 16, /* bitsize */ |
| 224 | FALSE, /* pc_relative */ |
| 225 | 0, /* bitpos */ |
| 226 | complain_overflow_signed, /* complain_on_overflow */ |
| 227 | mips_elf_gprel16_reloc, /* special_function */ |
| 228 | "R_MIPS_GPREL16", /* name */ |
| 229 | TRUE, /* partial_inplace */ |
| 230 | 0x0000ffff, /* src_mask */ |
| 231 | 0x0000ffff, /* dst_mask */ |
| 232 | FALSE), /* pcrel_offset */ |
| 233 | |
| 234 | /* Reference to literal section. */ |
| 235 | HOWTO (R_MIPS_LITERAL, /* type */ |
| 236 | 0, /* rightshift */ |
| 237 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 238 | 16, /* bitsize */ |
| 239 | FALSE, /* pc_relative */ |
| 240 | 0, /* bitpos */ |
| 241 | complain_overflow_signed, /* complain_on_overflow */ |
| 242 | mips_elf_literal_reloc, /* special_function */ |
| 243 | "R_MIPS_LITERAL", /* name */ |
| 244 | TRUE, /* partial_inplace */ |
| 245 | 0x0000ffff, /* src_mask */ |
| 246 | 0x0000ffff, /* dst_mask */ |
| 247 | FALSE), /* pcrel_offset */ |
| 248 | |
| 249 | /* Reference to global offset table. */ |
| 250 | HOWTO (R_MIPS_GOT16, /* type */ |
| 251 | 0, /* rightshift */ |
| 252 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 253 | 16, /* bitsize */ |
| 254 | FALSE, /* pc_relative */ |
| 255 | 0, /* bitpos */ |
| 256 | complain_overflow_signed, /* complain_on_overflow */ |
| 257 | _bfd_mips_elf_got16_reloc, /* special_function */ |
| 258 | "R_MIPS_GOT16", /* name */ |
| 259 | TRUE, /* partial_inplace */ |
| 260 | 0x0000ffff, /* src_mask */ |
| 261 | 0x0000ffff, /* dst_mask */ |
| 262 | FALSE), /* pcrel_offset */ |
| 263 | |
| 264 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
| 265 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. |
| 266 | We do the right thing here. */ |
| 267 | HOWTO (R_MIPS_PC16, /* type */ |
| 268 | 2, /* rightshift */ |
| 269 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 270 | 16, /* bitsize */ |
| 271 | TRUE, /* pc_relative */ |
| 272 | 0, /* bitpos */ |
| 273 | complain_overflow_signed, /* complain_on_overflow */ |
| 274 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 275 | "R_MIPS_PC16", /* name */ |
| 276 | TRUE, /* partial_inplace */ |
| 277 | 0x0000ffff, /* src_mask */ |
| 278 | 0x0000ffff, /* dst_mask */ |
| 279 | TRUE), /* pcrel_offset */ |
| 280 | |
| 281 | /* 16 bit call through global offset table. */ |
| 282 | HOWTO (R_MIPS_CALL16, /* type */ |
| 283 | 0, /* rightshift */ |
| 284 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 285 | 16, /* bitsize */ |
| 286 | FALSE, /* pc_relative */ |
| 287 | 0, /* bitpos */ |
| 288 | complain_overflow_signed, /* complain_on_overflow */ |
| 289 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 290 | "R_MIPS_CALL16", /* name */ |
| 291 | TRUE, /* partial_inplace */ |
| 292 | 0x0000ffff, /* src_mask */ |
| 293 | 0x0000ffff, /* dst_mask */ |
| 294 | FALSE), /* pcrel_offset */ |
| 295 | |
| 296 | /* 32 bit GP relative reference. */ |
| 297 | HOWTO (R_MIPS_GPREL32, /* type */ |
| 298 | 0, /* rightshift */ |
| 299 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 300 | 32, /* bitsize */ |
| 301 | FALSE, /* pc_relative */ |
| 302 | 0, /* bitpos */ |
| 303 | complain_overflow_dont, /* complain_on_overflow */ |
| 304 | mips_elf_gprel32_reloc, /* special_function */ |
| 305 | "R_MIPS_GPREL32", /* name */ |
| 306 | TRUE, /* partial_inplace */ |
| 307 | 0xffffffff, /* src_mask */ |
| 308 | 0xffffffff, /* dst_mask */ |
| 309 | FALSE), /* pcrel_offset */ |
| 310 | |
| 311 | /* The remaining relocs are defined on Irix 5, although they are |
| 312 | not defined by the ABI. */ |
| 313 | EMPTY_HOWTO (13), |
| 314 | EMPTY_HOWTO (14), |
| 315 | EMPTY_HOWTO (15), |
| 316 | |
| 317 | /* A 5 bit shift field. */ |
| 318 | HOWTO (R_MIPS_SHIFT5, /* type */ |
| 319 | 0, /* rightshift */ |
| 320 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 321 | 5, /* bitsize */ |
| 322 | FALSE, /* pc_relative */ |
| 323 | 6, /* bitpos */ |
| 324 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 325 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 326 | "R_MIPS_SHIFT5", /* name */ |
| 327 | TRUE, /* partial_inplace */ |
| 328 | 0x000007c0, /* src_mask */ |
| 329 | 0x000007c0, /* dst_mask */ |
| 330 | FALSE), /* pcrel_offset */ |
| 331 | |
| 332 | /* A 6 bit shift field. */ |
| 333 | HOWTO (R_MIPS_SHIFT6, /* type */ |
| 334 | 0, /* rightshift */ |
| 335 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 336 | 6, /* bitsize */ |
| 337 | FALSE, /* pc_relative */ |
| 338 | 6, /* bitpos */ |
| 339 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 340 | mips_elf_shift6_reloc, /* special_function */ |
| 341 | "R_MIPS_SHIFT6", /* name */ |
| 342 | TRUE, /* partial_inplace */ |
| 343 | 0x000007c4, /* src_mask */ |
| 344 | 0x000007c4, /* dst_mask */ |
| 345 | FALSE), /* pcrel_offset */ |
| 346 | |
| 347 | /* A 64 bit relocation. */ |
| 348 | HOWTO (R_MIPS_64, /* type */ |
| 349 | 0, /* rightshift */ |
| 350 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 351 | 64, /* bitsize */ |
| 352 | FALSE, /* pc_relative */ |
| 353 | 0, /* bitpos */ |
| 354 | complain_overflow_dont, /* complain_on_overflow */ |
| 355 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 356 | "R_MIPS_64", /* name */ |
| 357 | TRUE, /* partial_inplace */ |
| 358 | MINUS_ONE, /* src_mask */ |
| 359 | MINUS_ONE, /* dst_mask */ |
| 360 | FALSE), /* pcrel_offset */ |
| 361 | |
| 362 | /* Displacement in the global offset table. */ |
| 363 | HOWTO (R_MIPS_GOT_DISP, /* type */ |
| 364 | 0, /* rightshift */ |
| 365 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 366 | 16, /* bitsize */ |
| 367 | FALSE, /* pc_relative */ |
| 368 | 0, /* bitpos */ |
| 369 | complain_overflow_signed, /* complain_on_overflow */ |
| 370 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 371 | "R_MIPS_GOT_DISP", /* name */ |
| 372 | TRUE, /* partial_inplace */ |
| 373 | 0x0000ffff, /* src_mask */ |
| 374 | 0x0000ffff, /* dst_mask */ |
| 375 | FALSE), /* pcrel_offset */ |
| 376 | |
| 377 | /* Displacement to page pointer in the global offset table. */ |
| 378 | HOWTO (R_MIPS_GOT_PAGE, /* type */ |
| 379 | 0, /* rightshift */ |
| 380 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 381 | 16, /* bitsize */ |
| 382 | FALSE, /* pc_relative */ |
| 383 | 0, /* bitpos */ |
| 384 | complain_overflow_signed, /* complain_on_overflow */ |
| 385 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 386 | "R_MIPS_GOT_PAGE", /* name */ |
| 387 | TRUE, /* partial_inplace */ |
| 388 | 0x0000ffff, /* src_mask */ |
| 389 | 0x0000ffff, /* dst_mask */ |
| 390 | FALSE), /* pcrel_offset */ |
| 391 | |
| 392 | /* Offset from page pointer in the global offset table. */ |
| 393 | HOWTO (R_MIPS_GOT_OFST, /* type */ |
| 394 | 0, /* rightshift */ |
| 395 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 396 | 16, /* bitsize */ |
| 397 | FALSE, /* pc_relative */ |
| 398 | 0, /* bitpos */ |
| 399 | complain_overflow_signed, /* complain_on_overflow */ |
| 400 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 401 | "R_MIPS_GOT_OFST", /* name */ |
| 402 | TRUE, /* partial_inplace */ |
| 403 | 0x0000ffff, /* src_mask */ |
| 404 | 0x0000ffff, /* dst_mask */ |
| 405 | FALSE), /* pcrel_offset */ |
| 406 | |
| 407 | /* High 16 bits of displacement in global offset table. */ |
| 408 | HOWTO (R_MIPS_GOT_HI16, /* type */ |
| 409 | 0, /* rightshift */ |
| 410 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 411 | 16, /* bitsize */ |
| 412 | FALSE, /* pc_relative */ |
| 413 | 0, /* bitpos */ |
| 414 | complain_overflow_dont, /* complain_on_overflow */ |
| 415 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 416 | "R_MIPS_GOT_HI16", /* name */ |
| 417 | TRUE, /* partial_inplace */ |
| 418 | 0x0000ffff, /* src_mask */ |
| 419 | 0x0000ffff, /* dst_mask */ |
| 420 | FALSE), /* pcrel_offset */ |
| 421 | |
| 422 | /* Low 16 bits of displacement in global offset table. */ |
| 423 | HOWTO (R_MIPS_GOT_LO16, /* type */ |
| 424 | 0, /* rightshift */ |
| 425 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 426 | 16, /* bitsize */ |
| 427 | FALSE, /* pc_relative */ |
| 428 | 0, /* bitpos */ |
| 429 | complain_overflow_dont, /* complain_on_overflow */ |
| 430 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 431 | "R_MIPS_GOT_LO16", /* name */ |
| 432 | TRUE, /* partial_inplace */ |
| 433 | 0x0000ffff, /* src_mask */ |
| 434 | 0x0000ffff, /* dst_mask */ |
| 435 | FALSE), /* pcrel_offset */ |
| 436 | |
| 437 | /* 64 bit subtraction. */ |
| 438 | HOWTO (R_MIPS_SUB, /* type */ |
| 439 | 0, /* rightshift */ |
| 440 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 441 | 64, /* bitsize */ |
| 442 | FALSE, /* pc_relative */ |
| 443 | 0, /* bitpos */ |
| 444 | complain_overflow_dont, /* complain_on_overflow */ |
| 445 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 446 | "R_MIPS_SUB", /* name */ |
| 447 | TRUE, /* partial_inplace */ |
| 448 | MINUS_ONE, /* src_mask */ |
| 449 | MINUS_ONE, /* dst_mask */ |
| 450 | FALSE), /* pcrel_offset */ |
| 451 | |
| 452 | /* Insert the addend as an instruction. */ |
| 453 | /* FIXME: Not handled correctly. */ |
| 454 | HOWTO (R_MIPS_INSERT_A, /* type */ |
| 455 | 0, /* rightshift */ |
| 456 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 457 | 32, /* bitsize */ |
| 458 | FALSE, /* pc_relative */ |
| 459 | 0, /* bitpos */ |
| 460 | complain_overflow_dont, /* complain_on_overflow */ |
| 461 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 462 | "R_MIPS_INSERT_A", /* name */ |
| 463 | TRUE, /* partial_inplace */ |
| 464 | 0xffffffff, /* src_mask */ |
| 465 | 0xffffffff, /* dst_mask */ |
| 466 | FALSE), /* pcrel_offset */ |
| 467 | |
| 468 | /* Insert the addend as an instruction, and change all relocations |
| 469 | to refer to the old instruction at the address. */ |
| 470 | /* FIXME: Not handled correctly. */ |
| 471 | HOWTO (R_MIPS_INSERT_B, /* type */ |
| 472 | 0, /* rightshift */ |
| 473 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 474 | 32, /* bitsize */ |
| 475 | FALSE, /* pc_relative */ |
| 476 | 0, /* bitpos */ |
| 477 | complain_overflow_dont, /* complain_on_overflow */ |
| 478 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 479 | "R_MIPS_INSERT_B", /* name */ |
| 480 | TRUE, /* partial_inplace */ |
| 481 | 0xffffffff, /* src_mask */ |
| 482 | 0xffffffff, /* dst_mask */ |
| 483 | FALSE), /* pcrel_offset */ |
| 484 | |
| 485 | /* Delete a 32 bit instruction. */ |
| 486 | /* FIXME: Not handled correctly. */ |
| 487 | HOWTO (R_MIPS_DELETE, /* type */ |
| 488 | 0, /* rightshift */ |
| 489 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 490 | 32, /* bitsize */ |
| 491 | FALSE, /* pc_relative */ |
| 492 | 0, /* bitpos */ |
| 493 | complain_overflow_dont, /* complain_on_overflow */ |
| 494 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 495 | "R_MIPS_DELETE", /* name */ |
| 496 | TRUE, /* partial_inplace */ |
| 497 | 0xffffffff, /* src_mask */ |
| 498 | 0xffffffff, /* dst_mask */ |
| 499 | FALSE), /* pcrel_offset */ |
| 500 | |
| 501 | /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. |
| 502 | We don't, because |
| 503 | a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ |
| 504 | R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using |
| 505 | fallable heuristics. |
| 506 | b) No other NewABI toolchain actually emits such relocations. */ |
| 507 | EMPTY_HOWTO (R_MIPS_HIGHER), |
| 508 | EMPTY_HOWTO (R_MIPS_HIGHEST), |
| 509 | |
| 510 | /* High 16 bits of displacement in global offset table. */ |
| 511 | HOWTO (R_MIPS_CALL_HI16, /* type */ |
| 512 | 0, /* rightshift */ |
| 513 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 514 | 16, /* bitsize */ |
| 515 | FALSE, /* pc_relative */ |
| 516 | 0, /* bitpos */ |
| 517 | complain_overflow_dont, /* complain_on_overflow */ |
| 518 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 519 | "R_MIPS_CALL_HI16", /* name */ |
| 520 | TRUE, /* partial_inplace */ |
| 521 | 0x0000ffff, /* src_mask */ |
| 522 | 0x0000ffff, /* dst_mask */ |
| 523 | FALSE), /* pcrel_offset */ |
| 524 | |
| 525 | /* Low 16 bits of displacement in global offset table. */ |
| 526 | HOWTO (R_MIPS_CALL_LO16, /* type */ |
| 527 | 0, /* rightshift */ |
| 528 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 529 | 16, /* bitsize */ |
| 530 | FALSE, /* pc_relative */ |
| 531 | 0, /* bitpos */ |
| 532 | complain_overflow_dont, /* complain_on_overflow */ |
| 533 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 534 | "R_MIPS_CALL_LO16", /* name */ |
| 535 | TRUE, /* partial_inplace */ |
| 536 | 0x0000ffff, /* src_mask */ |
| 537 | 0x0000ffff, /* dst_mask */ |
| 538 | FALSE), /* pcrel_offset */ |
| 539 | |
| 540 | /* Section displacement. */ |
| 541 | HOWTO (R_MIPS_SCN_DISP, /* type */ |
| 542 | 0, /* rightshift */ |
| 543 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 544 | 32, /* bitsize */ |
| 545 | FALSE, /* pc_relative */ |
| 546 | 0, /* bitpos */ |
| 547 | complain_overflow_dont, /* complain_on_overflow */ |
| 548 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 549 | "R_MIPS_SCN_DISP", /* name */ |
| 550 | TRUE, /* partial_inplace */ |
| 551 | 0xffffffff, /* src_mask */ |
| 552 | 0xffffffff, /* dst_mask */ |
| 553 | FALSE), /* pcrel_offset */ |
| 554 | |
| 555 | HOWTO (R_MIPS_REL16, /* type */ |
| 556 | 0, /* rightshift */ |
| 557 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 558 | 16, /* bitsize */ |
| 559 | FALSE, /* pc_relative */ |
| 560 | 0, /* bitpos */ |
| 561 | complain_overflow_signed, /* complain_on_overflow */ |
| 562 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 563 | "R_MIPS_REL16", /* name */ |
| 564 | TRUE, /* partial_inplace */ |
| 565 | 0xffff, /* src_mask */ |
| 566 | 0xffff, /* dst_mask */ |
| 567 | FALSE), /* pcrel_offset */ |
| 568 | |
| 569 | /* These two are obsolete. */ |
| 570 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), |
| 571 | EMPTY_HOWTO (R_MIPS_PJUMP), |
| 572 | |
| 573 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. |
| 574 | It must be used for multigot GOT's (and only there). */ |
| 575 | HOWTO (R_MIPS_RELGOT, /* type */ |
| 576 | 0, /* rightshift */ |
| 577 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 578 | 32, /* bitsize */ |
| 579 | FALSE, /* pc_relative */ |
| 580 | 0, /* bitpos */ |
| 581 | complain_overflow_dont, /* complain_on_overflow */ |
| 582 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 583 | "R_MIPS_RELGOT", /* name */ |
| 584 | TRUE, /* partial_inplace */ |
| 585 | 0xffffffff, /* src_mask */ |
| 586 | 0xffffffff, /* dst_mask */ |
| 587 | FALSE), /* pcrel_offset */ |
| 588 | |
| 589 | /* Protected jump conversion. This is an optimization hint. No |
| 590 | relocation is required for correctness. */ |
| 591 | HOWTO (R_MIPS_JALR, /* type */ |
| 592 | 0, /* rightshift */ |
| 593 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 594 | 32, /* bitsize */ |
| 595 | FALSE, /* pc_relative */ |
| 596 | 0, /* bitpos */ |
| 597 | complain_overflow_dont, /* complain_on_overflow */ |
| 598 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 599 | "R_MIPS_JALR", /* name */ |
| 600 | FALSE, /* partial_inplace */ |
| 601 | 0x00000000, /* src_mask */ |
| 602 | 0x00000000, /* dst_mask */ |
| 603 | FALSE), /* pcrel_offset */ |
| 604 | |
| 605 | /* TLS GD/LD dynamic relocations. */ |
| 606 | HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ |
| 607 | 0, /* rightshift */ |
| 608 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 609 | 32, /* bitsize */ |
| 610 | FALSE, /* pc_relative */ |
| 611 | 0, /* bitpos */ |
| 612 | complain_overflow_dont, /* complain_on_overflow */ |
| 613 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 614 | "R_MIPS_TLS_DTPMOD32", /* name */ |
| 615 | TRUE, /* partial_inplace */ |
| 616 | 0xffffffff, /* src_mask */ |
| 617 | 0xffffffff, /* dst_mask */ |
| 618 | FALSE), /* pcrel_offset */ |
| 619 | |
| 620 | HOWTO (R_MIPS_TLS_DTPREL32, /* type */ |
| 621 | 0, /* rightshift */ |
| 622 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 623 | 32, /* bitsize */ |
| 624 | FALSE, /* pc_relative */ |
| 625 | 0, /* bitpos */ |
| 626 | complain_overflow_dont, /* complain_on_overflow */ |
| 627 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 628 | "R_MIPS_TLS_DTPREL32", /* name */ |
| 629 | TRUE, /* partial_inplace */ |
| 630 | 0xffffffff, /* src_mask */ |
| 631 | 0xffffffff, /* dst_mask */ |
| 632 | FALSE), /* pcrel_offset */ |
| 633 | |
| 634 | EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), |
| 635 | EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), |
| 636 | |
| 637 | /* TLS general dynamic variable reference. */ |
| 638 | HOWTO (R_MIPS_TLS_GD, /* type */ |
| 639 | 0, /* rightshift */ |
| 640 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 641 | 16, /* bitsize */ |
| 642 | FALSE, /* pc_relative */ |
| 643 | 0, /* bitpos */ |
| 644 | complain_overflow_signed, /* complain_on_overflow */ |
| 645 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 646 | "R_MIPS_TLS_GD", /* name */ |
| 647 | TRUE, /* partial_inplace */ |
| 648 | 0x0000ffff, /* src_mask */ |
| 649 | 0x0000ffff, /* dst_mask */ |
| 650 | FALSE), /* pcrel_offset */ |
| 651 | |
| 652 | /* TLS local dynamic variable reference. */ |
| 653 | HOWTO (R_MIPS_TLS_LDM, /* type */ |
| 654 | 0, /* rightshift */ |
| 655 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 656 | 16, /* bitsize */ |
| 657 | FALSE, /* pc_relative */ |
| 658 | 0, /* bitpos */ |
| 659 | complain_overflow_signed, /* complain_on_overflow */ |
| 660 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 661 | "R_MIPS_TLS_LDM", /* name */ |
| 662 | TRUE, /* partial_inplace */ |
| 663 | 0x0000ffff, /* src_mask */ |
| 664 | 0x0000ffff, /* dst_mask */ |
| 665 | FALSE), /* pcrel_offset */ |
| 666 | |
| 667 | /* TLS local dynamic offset. */ |
| 668 | HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ |
| 669 | 0, /* rightshift */ |
| 670 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 671 | 16, /* bitsize */ |
| 672 | FALSE, /* pc_relative */ |
| 673 | 0, /* bitpos */ |
| 674 | complain_overflow_signed, /* complain_on_overflow */ |
| 675 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 676 | "R_MIPS_TLS_DTPREL_HI16", /* name */ |
| 677 | TRUE, /* partial_inplace */ |
| 678 | 0x0000ffff, /* src_mask */ |
| 679 | 0x0000ffff, /* dst_mask */ |
| 680 | FALSE), /* pcrel_offset */ |
| 681 | |
| 682 | /* TLS local dynamic offset. */ |
| 683 | HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ |
| 684 | 0, /* rightshift */ |
| 685 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 686 | 16, /* bitsize */ |
| 687 | FALSE, /* pc_relative */ |
| 688 | 0, /* bitpos */ |
| 689 | complain_overflow_signed, /* complain_on_overflow */ |
| 690 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 691 | "R_MIPS_TLS_DTPREL_LO16", /* name */ |
| 692 | TRUE, /* partial_inplace */ |
| 693 | 0x0000ffff, /* src_mask */ |
| 694 | 0x0000ffff, /* dst_mask */ |
| 695 | FALSE), /* pcrel_offset */ |
| 696 | |
| 697 | /* TLS thread pointer offset. */ |
| 698 | HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ |
| 699 | 0, /* rightshift */ |
| 700 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 701 | 16, /* bitsize */ |
| 702 | FALSE, /* pc_relative */ |
| 703 | 0, /* bitpos */ |
| 704 | complain_overflow_signed, /* complain_on_overflow */ |
| 705 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 706 | "R_MIPS_TLS_GOTTPREL", /* name */ |
| 707 | TRUE, /* partial_inplace */ |
| 708 | 0x0000ffff, /* src_mask */ |
| 709 | 0x0000ffff, /* dst_mask */ |
| 710 | FALSE), /* pcrel_offset */ |
| 711 | |
| 712 | /* TLS IE dynamic relocations. */ |
| 713 | HOWTO (R_MIPS_TLS_TPREL32, /* type */ |
| 714 | 0, /* rightshift */ |
| 715 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 716 | 32, /* bitsize */ |
| 717 | FALSE, /* pc_relative */ |
| 718 | 0, /* bitpos */ |
| 719 | complain_overflow_dont, /* complain_on_overflow */ |
| 720 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 721 | "R_MIPS_TLS_TPREL32", /* name */ |
| 722 | TRUE, /* partial_inplace */ |
| 723 | 0xffffffff, /* src_mask */ |
| 724 | 0xffffffff, /* dst_mask */ |
| 725 | FALSE), /* pcrel_offset */ |
| 726 | |
| 727 | EMPTY_HOWTO (R_MIPS_TLS_TPREL64), |
| 728 | |
| 729 | /* TLS thread pointer offset. */ |
| 730 | HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ |
| 731 | 0, /* rightshift */ |
| 732 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 733 | 16, /* bitsize */ |
| 734 | FALSE, /* pc_relative */ |
| 735 | 0, /* bitpos */ |
| 736 | complain_overflow_signed, /* complain_on_overflow */ |
| 737 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 738 | "R_MIPS_TLS_TPREL_HI16", /* name */ |
| 739 | TRUE, /* partial_inplace */ |
| 740 | 0x0000ffff, /* src_mask */ |
| 741 | 0x0000ffff, /* dst_mask */ |
| 742 | FALSE), /* pcrel_offset */ |
| 743 | |
| 744 | /* TLS thread pointer offset. */ |
| 745 | HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ |
| 746 | 0, /* rightshift */ |
| 747 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 748 | 16, /* bitsize */ |
| 749 | FALSE, /* pc_relative */ |
| 750 | 0, /* bitpos */ |
| 751 | complain_overflow_signed, /* complain_on_overflow */ |
| 752 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 753 | "R_MIPS_TLS_TPREL_LO16", /* name */ |
| 754 | TRUE, /* partial_inplace */ |
| 755 | 0x0000ffff, /* src_mask */ |
| 756 | 0x0000ffff, /* dst_mask */ |
| 757 | FALSE), /* pcrel_offset */ |
| 758 | |
| 759 | /* 32 bit relocation with no addend. */ |
| 760 | HOWTO (R_MIPS_GLOB_DAT, /* type */ |
| 761 | 0, /* rightshift */ |
| 762 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 763 | 32, /* bitsize */ |
| 764 | FALSE, /* pc_relative */ |
| 765 | 0, /* bitpos */ |
| 766 | complain_overflow_dont, /* complain_on_overflow */ |
| 767 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 768 | "R_MIPS_GLOB_DAT", /* name */ |
| 769 | FALSE, /* partial_inplace */ |
| 770 | 0x0, /* src_mask */ |
| 771 | 0xffffffff, /* dst_mask */ |
| 772 | FALSE), /* pcrel_offset */ |
| 773 | |
| 774 | EMPTY_HOWTO (52), |
| 775 | EMPTY_HOWTO (53), |
| 776 | EMPTY_HOWTO (54), |
| 777 | EMPTY_HOWTO (55), |
| 778 | EMPTY_HOWTO (56), |
| 779 | EMPTY_HOWTO (57), |
| 780 | EMPTY_HOWTO (58), |
| 781 | EMPTY_HOWTO (59), |
| 782 | |
| 783 | HOWTO (R_MIPS_PC21_S2, /* type */ |
| 784 | 2, /* rightshift */ |
| 785 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 786 | 21, /* bitsize */ |
| 787 | TRUE, /* pc_relative */ |
| 788 | 0, /* bitpos */ |
| 789 | complain_overflow_signed, /* complain_on_overflow */ |
| 790 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 791 | "R_MIPS_PC21_S2", /* name */ |
| 792 | TRUE, /* partial_inplace */ |
| 793 | 0x001fffff, /* src_mask */ |
| 794 | 0x001fffff, /* dst_mask */ |
| 795 | TRUE), /* pcrel_offset */ |
| 796 | |
| 797 | HOWTO (R_MIPS_PC26_S2, /* type */ |
| 798 | 2, /* rightshift */ |
| 799 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 800 | 26, /* bitsize */ |
| 801 | TRUE, /* pc_relative */ |
| 802 | 0, /* bitpos */ |
| 803 | complain_overflow_signed, /* complain_on_overflow */ |
| 804 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 805 | "R_MIPS_PC26_S2", /* name */ |
| 806 | TRUE, /* partial_inplace */ |
| 807 | 0x03ffffff, /* src_mask */ |
| 808 | 0x03ffffff, /* dst_mask */ |
| 809 | TRUE), /* pcrel_offset */ |
| 810 | |
| 811 | HOWTO (R_MIPS_PC18_S3, /* type */ |
| 812 | 3, /* rightshift */ |
| 813 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 814 | 18, /* bitsize */ |
| 815 | TRUE, /* pc_relative */ |
| 816 | 0, /* bitpos */ |
| 817 | complain_overflow_signed, /* complain_on_overflow */ |
| 818 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 819 | "R_MIPS_PC18_S3", /* name */ |
| 820 | TRUE, /* partial_inplace */ |
| 821 | 0x0003ffff, /* src_mask */ |
| 822 | 0x0003ffff, /* dst_mask */ |
| 823 | TRUE), /* pcrel_offset */ |
| 824 | |
| 825 | HOWTO (R_MIPS_PC19_S2, /* type */ |
| 826 | 2, /* rightshift */ |
| 827 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 828 | 19, /* bitsize */ |
| 829 | TRUE, /* pc_relative */ |
| 830 | 0, /* bitpos */ |
| 831 | complain_overflow_signed, /* complain_on_overflow */ |
| 832 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 833 | "R_MIPS_PC19_S2", /* name */ |
| 834 | TRUE, /* partial_inplace */ |
| 835 | 0x0007ffff, /* src_mask */ |
| 836 | 0x0007ffff, /* dst_mask */ |
| 837 | TRUE), /* pcrel_offset */ |
| 838 | |
| 839 | HOWTO (R_MIPS_PCHI16, /* type */ |
| 840 | 16, /* rightshift */ |
| 841 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 842 | 16, /* bitsize */ |
| 843 | TRUE, /* pc_relative */ |
| 844 | 0, /* bitpos */ |
| 845 | complain_overflow_signed, /* complain_on_overflow */ |
| 846 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 847 | "R_MIPS_PCHI16", /* name */ |
| 848 | TRUE, /* partial_inplace */ |
| 849 | 0x0000ffff, /* src_mask */ |
| 850 | 0x0000ffff, /* dst_mask */ |
| 851 | TRUE), /* pcrel_offset */ |
| 852 | |
| 853 | HOWTO (R_MIPS_PCLO16, /* type */ |
| 854 | 0, /* rightshift */ |
| 855 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 856 | 16, /* bitsize */ |
| 857 | TRUE, /* pc_relative */ |
| 858 | 0, /* bitpos */ |
| 859 | complain_overflow_dont, /* complain_on_overflow */ |
| 860 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 861 | "R_MIPS_PCLO16", /* name */ |
| 862 | TRUE, /* partial_inplace */ |
| 863 | 0x0000ffff, /* src_mask */ |
| 864 | 0x0000ffff, /* dst_mask */ |
| 865 | TRUE), /* pcrel_offset */ |
| 866 | |
| 867 | }; |
| 868 | |
| 869 | /* The relocation table used for SHT_RELA sections. */ |
| 870 | |
| 871 | static reloc_howto_type elf_mips_howto_table_rela[] = |
| 872 | { |
| 873 | /* No relocation. */ |
| 874 | HOWTO (R_MIPS_NONE, /* type */ |
| 875 | 0, /* rightshift */ |
| 876 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 877 | 0, /* bitsize */ |
| 878 | FALSE, /* pc_relative */ |
| 879 | 0, /* bitpos */ |
| 880 | complain_overflow_dont, /* complain_on_overflow */ |
| 881 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 882 | "R_MIPS_NONE", /* name */ |
| 883 | FALSE, /* partial_inplace */ |
| 884 | 0, /* src_mask */ |
| 885 | 0, /* dst_mask */ |
| 886 | FALSE), /* pcrel_offset */ |
| 887 | |
| 888 | /* 16 bit relocation. */ |
| 889 | HOWTO (R_MIPS_16, /* type */ |
| 890 | 0, /* rightshift */ |
| 891 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 892 | 16, /* bitsize */ |
| 893 | FALSE, /* pc_relative */ |
| 894 | 0, /* bitpos */ |
| 895 | complain_overflow_signed, /* complain_on_overflow */ |
| 896 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 897 | "R_MIPS_16", /* name */ |
| 898 | FALSE, /* partial_inplace */ |
| 899 | 0, /* src_mask */ |
| 900 | 0x0000, /* dst_mask */ |
| 901 | FALSE), /* pcrel_offset */ |
| 902 | |
| 903 | /* 32 bit relocation. */ |
| 904 | HOWTO (R_MIPS_32, /* type */ |
| 905 | 0, /* rightshift */ |
| 906 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 907 | 32, /* bitsize */ |
| 908 | FALSE, /* pc_relative */ |
| 909 | 0, /* bitpos */ |
| 910 | complain_overflow_dont, /* complain_on_overflow */ |
| 911 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 912 | "R_MIPS_32", /* name */ |
| 913 | FALSE, /* partial_inplace */ |
| 914 | 0, /* src_mask */ |
| 915 | 0xffffffff, /* dst_mask */ |
| 916 | FALSE), /* pcrel_offset */ |
| 917 | |
| 918 | /* 32 bit symbol relative relocation. */ |
| 919 | HOWTO (R_MIPS_REL32, /* type */ |
| 920 | 0, /* rightshift */ |
| 921 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 922 | 32, /* bitsize */ |
| 923 | FALSE, /* pc_relative */ |
| 924 | 0, /* bitpos */ |
| 925 | complain_overflow_dont, /* complain_on_overflow */ |
| 926 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 927 | "R_MIPS_REL32", /* name */ |
| 928 | FALSE, /* partial_inplace */ |
| 929 | 0, /* src_mask */ |
| 930 | 0xffffffff, /* dst_mask */ |
| 931 | FALSE), /* pcrel_offset */ |
| 932 | |
| 933 | /* 26 bit jump address. */ |
| 934 | HOWTO (R_MIPS_26, /* type */ |
| 935 | 2, /* rightshift */ |
| 936 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 937 | 26, /* bitsize */ |
| 938 | FALSE, /* pc_relative */ |
| 939 | 0, /* bitpos */ |
| 940 | complain_overflow_dont, /* complain_on_overflow */ |
| 941 | /* This needs complex overflow |
| 942 | detection, because the upper 36 |
| 943 | bits must match the PC + 4. */ |
| 944 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 945 | "R_MIPS_26", /* name */ |
| 946 | FALSE, /* partial_inplace */ |
| 947 | 0, /* src_mask */ |
| 948 | 0x03ffffff, /* dst_mask */ |
| 949 | FALSE), /* pcrel_offset */ |
| 950 | |
| 951 | /* High 16 bits of symbol value. */ |
| 952 | HOWTO (R_MIPS_HI16, /* type */ |
| 953 | 0, /* rightshift */ |
| 954 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 955 | 16, /* bitsize */ |
| 956 | FALSE, /* pc_relative */ |
| 957 | 0, /* bitpos */ |
| 958 | complain_overflow_dont, /* complain_on_overflow */ |
| 959 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 960 | "R_MIPS_HI16", /* name */ |
| 961 | FALSE, /* partial_inplace */ |
| 962 | 0, /* src_mask */ |
| 963 | 0x0000ffff, /* dst_mask */ |
| 964 | FALSE), /* pcrel_offset */ |
| 965 | |
| 966 | /* Low 16 bits of symbol value. */ |
| 967 | HOWTO (R_MIPS_LO16, /* type */ |
| 968 | 0, /* rightshift */ |
| 969 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 970 | 16, /* bitsize */ |
| 971 | FALSE, /* pc_relative */ |
| 972 | 0, /* bitpos */ |
| 973 | complain_overflow_dont, /* complain_on_overflow */ |
| 974 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 975 | "R_MIPS_LO16", /* name */ |
| 976 | FALSE, /* partial_inplace */ |
| 977 | 0, /* src_mask */ |
| 978 | 0x0000ffff, /* dst_mask */ |
| 979 | FALSE), /* pcrel_offset */ |
| 980 | |
| 981 | /* GP relative reference. */ |
| 982 | HOWTO (R_MIPS_GPREL16, /* type */ |
| 983 | 0, /* rightshift */ |
| 984 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 985 | 16, /* bitsize */ |
| 986 | FALSE, /* pc_relative */ |
| 987 | 0, /* bitpos */ |
| 988 | complain_overflow_signed, /* complain_on_overflow */ |
| 989 | mips_elf_gprel16_reloc, /* special_function */ |
| 990 | "R_MIPS_GPREL16", /* name */ |
| 991 | FALSE, /* partial_inplace */ |
| 992 | 0, /* src_mask */ |
| 993 | 0x0000ffff, /* dst_mask */ |
| 994 | FALSE), /* pcrel_offset */ |
| 995 | |
| 996 | /* Reference to literal section. */ |
| 997 | HOWTO (R_MIPS_LITERAL, /* type */ |
| 998 | 0, /* rightshift */ |
| 999 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1000 | 16, /* bitsize */ |
| 1001 | FALSE, /* pc_relative */ |
| 1002 | 0, /* bitpos */ |
| 1003 | complain_overflow_signed, /* complain_on_overflow */ |
| 1004 | mips_elf_literal_reloc, /* special_function */ |
| 1005 | "R_MIPS_LITERAL", /* name */ |
| 1006 | FALSE, /* partial_inplace */ |
| 1007 | 0, /* src_mask */ |
| 1008 | 0x0000ffff, /* dst_mask */ |
| 1009 | FALSE), /* pcrel_offset */ |
| 1010 | |
| 1011 | /* Reference to global offset table. */ |
| 1012 | HOWTO (R_MIPS_GOT16, /* type */ |
| 1013 | 0, /* rightshift */ |
| 1014 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1015 | 16, /* bitsize */ |
| 1016 | FALSE, /* pc_relative */ |
| 1017 | 0, /* bitpos */ |
| 1018 | complain_overflow_signed, /* complain_on_overflow */ |
| 1019 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1020 | "R_MIPS_GOT16", /* name */ |
| 1021 | FALSE, /* partial_inplace */ |
| 1022 | 0, /* src_mask */ |
| 1023 | 0x0000ffff, /* dst_mask */ |
| 1024 | FALSE), /* pcrel_offset */ |
| 1025 | |
| 1026 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
| 1027 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. |
| 1028 | We do the right thing here. */ |
| 1029 | HOWTO (R_MIPS_PC16, /* type */ |
| 1030 | 2, /* rightshift */ |
| 1031 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1032 | 16, /* bitsize */ |
| 1033 | TRUE, /* pc_relative */ |
| 1034 | 0, /* bitpos */ |
| 1035 | complain_overflow_signed, /* complain_on_overflow */ |
| 1036 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1037 | "R_MIPS_PC16", /* name */ |
| 1038 | FALSE, /* partial_inplace */ |
| 1039 | 0, /* src_mask */ |
| 1040 | 0x0000ffff, /* dst_mask */ |
| 1041 | TRUE), /* pcrel_offset */ |
| 1042 | |
| 1043 | /* 16 bit call through global offset table. */ |
| 1044 | HOWTO (R_MIPS_CALL16, /* type */ |
| 1045 | 0, /* rightshift */ |
| 1046 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1047 | 16, /* bitsize */ |
| 1048 | FALSE, /* pc_relative */ |
| 1049 | 0, /* bitpos */ |
| 1050 | complain_overflow_signed, /* complain_on_overflow */ |
| 1051 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1052 | "R_MIPS_CALL16", /* name */ |
| 1053 | FALSE, /* partial_inplace */ |
| 1054 | 0, /* src_mask */ |
| 1055 | 0x0000ffff, /* dst_mask */ |
| 1056 | FALSE), /* pcrel_offset */ |
| 1057 | |
| 1058 | /* 32 bit GP relative reference. */ |
| 1059 | HOWTO (R_MIPS_GPREL32, /* type */ |
| 1060 | 0, /* rightshift */ |
| 1061 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1062 | 32, /* bitsize */ |
| 1063 | FALSE, /* pc_relative */ |
| 1064 | 0, /* bitpos */ |
| 1065 | complain_overflow_dont, /* complain_on_overflow */ |
| 1066 | mips_elf_gprel32_reloc, /* special_function */ |
| 1067 | "R_MIPS_GPREL32", /* name */ |
| 1068 | FALSE, /* partial_inplace */ |
| 1069 | 0, /* src_mask */ |
| 1070 | 0xffffffff, /* dst_mask */ |
| 1071 | FALSE), /* pcrel_offset */ |
| 1072 | |
| 1073 | EMPTY_HOWTO (13), |
| 1074 | EMPTY_HOWTO (14), |
| 1075 | EMPTY_HOWTO (15), |
| 1076 | |
| 1077 | /* A 5 bit shift field. */ |
| 1078 | HOWTO (R_MIPS_SHIFT5, /* type */ |
| 1079 | 0, /* rightshift */ |
| 1080 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1081 | 5, /* bitsize */ |
| 1082 | FALSE, /* pc_relative */ |
| 1083 | 6, /* bitpos */ |
| 1084 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1085 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1086 | "R_MIPS_SHIFT5", /* name */ |
| 1087 | FALSE, /* partial_inplace */ |
| 1088 | 0, /* src_mask */ |
| 1089 | 0x000007c0, /* dst_mask */ |
| 1090 | FALSE), /* pcrel_offset */ |
| 1091 | |
| 1092 | /* A 6 bit shift field. */ |
| 1093 | HOWTO (R_MIPS_SHIFT6, /* type */ |
| 1094 | 0, /* rightshift */ |
| 1095 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1096 | 6, /* bitsize */ |
| 1097 | FALSE, /* pc_relative */ |
| 1098 | 6, /* bitpos */ |
| 1099 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1100 | mips_elf_shift6_reloc, /* special_function */ |
| 1101 | "R_MIPS_SHIFT6", /* name */ |
| 1102 | FALSE, /* partial_inplace */ |
| 1103 | 0, /* src_mask */ |
| 1104 | 0x000007c4, /* dst_mask */ |
| 1105 | FALSE), /* pcrel_offset */ |
| 1106 | |
| 1107 | /* 64 bit relocation. */ |
| 1108 | HOWTO (R_MIPS_64, /* type */ |
| 1109 | 0, /* rightshift */ |
| 1110 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1111 | 64, /* bitsize */ |
| 1112 | FALSE, /* pc_relative */ |
| 1113 | 0, /* bitpos */ |
| 1114 | complain_overflow_dont, /* complain_on_overflow */ |
| 1115 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1116 | "R_MIPS_64", /* name */ |
| 1117 | FALSE, /* partial_inplace */ |
| 1118 | 0, /* src_mask */ |
| 1119 | MINUS_ONE, /* dst_mask */ |
| 1120 | FALSE), /* pcrel_offset */ |
| 1121 | |
| 1122 | /* Displacement in the global offset table. */ |
| 1123 | HOWTO (R_MIPS_GOT_DISP, /* type */ |
| 1124 | 0, /* rightshift */ |
| 1125 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1126 | 16, /* bitsize */ |
| 1127 | FALSE, /* pc_relative */ |
| 1128 | 0, /* bitpos */ |
| 1129 | complain_overflow_signed, /* complain_on_overflow */ |
| 1130 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1131 | "R_MIPS_GOT_DISP", /* name */ |
| 1132 | FALSE, /* partial_inplace */ |
| 1133 | 0, /* src_mask */ |
| 1134 | 0x0000ffff, /* dst_mask */ |
| 1135 | FALSE), /* pcrel_offset */ |
| 1136 | |
| 1137 | /* Displacement to page pointer in the global offset table. */ |
| 1138 | HOWTO (R_MIPS_GOT_PAGE, /* type */ |
| 1139 | 0, /* rightshift */ |
| 1140 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1141 | 16, /* bitsize */ |
| 1142 | FALSE, /* pc_relative */ |
| 1143 | 0, /* bitpos */ |
| 1144 | complain_overflow_signed, /* complain_on_overflow */ |
| 1145 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1146 | "R_MIPS_GOT_PAGE", /* name */ |
| 1147 | FALSE, /* partial_inplace */ |
| 1148 | 0, /* src_mask */ |
| 1149 | 0x0000ffff, /* dst_mask */ |
| 1150 | FALSE), /* pcrel_offset */ |
| 1151 | |
| 1152 | /* Offset from page pointer in the global offset table. */ |
| 1153 | HOWTO (R_MIPS_GOT_OFST, /* type */ |
| 1154 | 0, /* rightshift */ |
| 1155 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1156 | 16, /* bitsize */ |
| 1157 | FALSE, /* pc_relative */ |
| 1158 | 0, /* bitpos */ |
| 1159 | complain_overflow_signed, /* complain_on_overflow */ |
| 1160 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1161 | "R_MIPS_GOT_OFST", /* name */ |
| 1162 | FALSE, /* partial_inplace */ |
| 1163 | 0, /* src_mask */ |
| 1164 | 0x0000ffff, /* dst_mask */ |
| 1165 | FALSE), /* pcrel_offset */ |
| 1166 | |
| 1167 | /* High 16 bits of displacement in global offset table. */ |
| 1168 | HOWTO (R_MIPS_GOT_HI16, /* type */ |
| 1169 | 0, /* rightshift */ |
| 1170 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1171 | 16, /* bitsize */ |
| 1172 | FALSE, /* pc_relative */ |
| 1173 | 0, /* bitpos */ |
| 1174 | complain_overflow_dont, /* complain_on_overflow */ |
| 1175 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1176 | "R_MIPS_GOT_HI16", /* name */ |
| 1177 | FALSE, /* partial_inplace */ |
| 1178 | 0, /* src_mask */ |
| 1179 | 0x0000ffff, /* dst_mask */ |
| 1180 | FALSE), /* pcrel_offset */ |
| 1181 | |
| 1182 | /* Low 16 bits of displacement in global offset table. */ |
| 1183 | HOWTO (R_MIPS_GOT_LO16, /* type */ |
| 1184 | 0, /* rightshift */ |
| 1185 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1186 | 16, /* bitsize */ |
| 1187 | FALSE, /* pc_relative */ |
| 1188 | 0, /* bitpos */ |
| 1189 | complain_overflow_dont, /* complain_on_overflow */ |
| 1190 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1191 | "R_MIPS_GOT_LO16", /* name */ |
| 1192 | FALSE, /* partial_inplace */ |
| 1193 | 0, /* src_mask */ |
| 1194 | 0x0000ffff, /* dst_mask */ |
| 1195 | FALSE), /* pcrel_offset */ |
| 1196 | |
| 1197 | /* 64 bit subtraction. */ |
| 1198 | HOWTO (R_MIPS_SUB, /* type */ |
| 1199 | 0, /* rightshift */ |
| 1200 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1201 | 64, /* bitsize */ |
| 1202 | FALSE, /* pc_relative */ |
| 1203 | 0, /* bitpos */ |
| 1204 | complain_overflow_dont, /* complain_on_overflow */ |
| 1205 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1206 | "R_MIPS_SUB", /* name */ |
| 1207 | FALSE, /* partial_inplace */ |
| 1208 | 0, /* src_mask */ |
| 1209 | MINUS_ONE, /* dst_mask */ |
| 1210 | FALSE), /* pcrel_offset */ |
| 1211 | |
| 1212 | /* Insert the addend as an instruction. */ |
| 1213 | /* FIXME: Not handled correctly. */ |
| 1214 | HOWTO (R_MIPS_INSERT_A, /* type */ |
| 1215 | 0, /* rightshift */ |
| 1216 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1217 | 32, /* bitsize */ |
| 1218 | FALSE, /* pc_relative */ |
| 1219 | 0, /* bitpos */ |
| 1220 | complain_overflow_dont, /* complain_on_overflow */ |
| 1221 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1222 | "R_MIPS_INSERT_A", /* name */ |
| 1223 | FALSE, /* partial_inplace */ |
| 1224 | 0, /* src_mask */ |
| 1225 | 0xffffffff, /* dst_mask */ |
| 1226 | FALSE), /* pcrel_offset */ |
| 1227 | |
| 1228 | /* Insert the addend as an instruction, and change all relocations |
| 1229 | to refer to the old instruction at the address. */ |
| 1230 | /* FIXME: Not handled correctly. */ |
| 1231 | HOWTO (R_MIPS_INSERT_B, /* type */ |
| 1232 | 0, /* rightshift */ |
| 1233 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1234 | 32, /* bitsize */ |
| 1235 | FALSE, /* pc_relative */ |
| 1236 | 0, /* bitpos */ |
| 1237 | complain_overflow_dont, /* complain_on_overflow */ |
| 1238 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1239 | "R_MIPS_INSERT_B", /* name */ |
| 1240 | FALSE, /* partial_inplace */ |
| 1241 | 0, /* src_mask */ |
| 1242 | 0xffffffff, /* dst_mask */ |
| 1243 | FALSE), /* pcrel_offset */ |
| 1244 | |
| 1245 | /* Delete a 32 bit instruction. */ |
| 1246 | /* FIXME: Not handled correctly. */ |
| 1247 | HOWTO (R_MIPS_DELETE, /* type */ |
| 1248 | 0, /* rightshift */ |
| 1249 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1250 | 32, /* bitsize */ |
| 1251 | FALSE, /* pc_relative */ |
| 1252 | 0, /* bitpos */ |
| 1253 | complain_overflow_dont, /* complain_on_overflow */ |
| 1254 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1255 | "R_MIPS_DELETE", /* name */ |
| 1256 | FALSE, /* partial_inplace */ |
| 1257 | 0, /* src_mask */ |
| 1258 | 0xffffffff, /* dst_mask */ |
| 1259 | FALSE), /* pcrel_offset */ |
| 1260 | |
| 1261 | /* Get the higher value of a 64 bit addend. */ |
| 1262 | HOWTO (R_MIPS_HIGHER, /* type */ |
| 1263 | 0, /* rightshift */ |
| 1264 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1265 | 16, /* bitsize */ |
| 1266 | FALSE, /* pc_relative */ |
| 1267 | 0, /* bitpos */ |
| 1268 | complain_overflow_dont, /* complain_on_overflow */ |
| 1269 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1270 | "R_MIPS_HIGHER", /* name */ |
| 1271 | FALSE, /* partial_inplace */ |
| 1272 | 0, /* src_mask */ |
| 1273 | 0x0000ffff, /* dst_mask */ |
| 1274 | FALSE), /* pcrel_offset */ |
| 1275 | |
| 1276 | /* Get the highest value of a 64 bit addend. */ |
| 1277 | HOWTO (R_MIPS_HIGHEST, /* type */ |
| 1278 | 0, /* rightshift */ |
| 1279 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1280 | 16, /* bitsize */ |
| 1281 | FALSE, /* pc_relative */ |
| 1282 | 0, /* bitpos */ |
| 1283 | complain_overflow_dont, /* complain_on_overflow */ |
| 1284 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1285 | "R_MIPS_HIGHEST", /* name */ |
| 1286 | FALSE, /* partial_inplace */ |
| 1287 | 0, /* src_mask */ |
| 1288 | 0x0000ffff, /* dst_mask */ |
| 1289 | FALSE), /* pcrel_offset */ |
| 1290 | |
| 1291 | /* High 16 bits of displacement in global offset table. */ |
| 1292 | HOWTO (R_MIPS_CALL_HI16, /* type */ |
| 1293 | 0, /* rightshift */ |
| 1294 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1295 | 16, /* bitsize */ |
| 1296 | FALSE, /* pc_relative */ |
| 1297 | 0, /* bitpos */ |
| 1298 | complain_overflow_dont, /* complain_on_overflow */ |
| 1299 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1300 | "R_MIPS_CALL_HI16", /* name */ |
| 1301 | FALSE, /* partial_inplace */ |
| 1302 | 0, /* src_mask */ |
| 1303 | 0x0000ffff, /* dst_mask */ |
| 1304 | FALSE), /* pcrel_offset */ |
| 1305 | |
| 1306 | /* Low 16 bits of displacement in global offset table. */ |
| 1307 | HOWTO (R_MIPS_CALL_LO16, /* type */ |
| 1308 | 0, /* rightshift */ |
| 1309 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1310 | 16, /* bitsize */ |
| 1311 | FALSE, /* pc_relative */ |
| 1312 | 0, /* bitpos */ |
| 1313 | complain_overflow_dont, /* complain_on_overflow */ |
| 1314 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1315 | "R_MIPS_CALL_LO16", /* name */ |
| 1316 | FALSE, /* partial_inplace */ |
| 1317 | 0, /* src_mask */ |
| 1318 | 0x0000ffff, /* dst_mask */ |
| 1319 | FALSE), /* pcrel_offset */ |
| 1320 | |
| 1321 | /* Section displacement, used by an associated event location section. */ |
| 1322 | HOWTO (R_MIPS_SCN_DISP, /* type */ |
| 1323 | 0, /* rightshift */ |
| 1324 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1325 | 32, /* bitsize */ |
| 1326 | FALSE, /* pc_relative */ |
| 1327 | 0, /* bitpos */ |
| 1328 | complain_overflow_dont, /* complain_on_overflow */ |
| 1329 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1330 | "R_MIPS_SCN_DISP", /* name */ |
| 1331 | FALSE, /* partial_inplace */ |
| 1332 | 0, /* src_mask */ |
| 1333 | 0xffffffff, /* dst_mask */ |
| 1334 | FALSE), /* pcrel_offset */ |
| 1335 | |
| 1336 | /* 16 bit relocation. */ |
| 1337 | HOWTO (R_MIPS_REL16, /* type */ |
| 1338 | 0, /* rightshift */ |
| 1339 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1340 | 16, /* bitsize */ |
| 1341 | FALSE, /* pc_relative */ |
| 1342 | 0, /* bitpos */ |
| 1343 | complain_overflow_signed, /* complain_on_overflow */ |
| 1344 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1345 | "R_MIPS_REL16", /* name */ |
| 1346 | FALSE, /* partial_inplace */ |
| 1347 | 0, /* src_mask */ |
| 1348 | 0xffff, /* dst_mask */ |
| 1349 | FALSE), /* pcrel_offset */ |
| 1350 | |
| 1351 | /* These two are obsolete. */ |
| 1352 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), |
| 1353 | EMPTY_HOWTO (R_MIPS_PJUMP), |
| 1354 | |
| 1355 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. |
| 1356 | It must be used for multigot GOT's (and only there). */ |
| 1357 | HOWTO (R_MIPS_RELGOT, /* type */ |
| 1358 | 0, /* rightshift */ |
| 1359 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1360 | 32, /* bitsize */ |
| 1361 | FALSE, /* pc_relative */ |
| 1362 | 0, /* bitpos */ |
| 1363 | complain_overflow_dont, /* complain_on_overflow */ |
| 1364 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1365 | "R_MIPS_RELGOT", /* name */ |
| 1366 | FALSE, /* partial_inplace */ |
| 1367 | 0, /* src_mask */ |
| 1368 | 0xffffffff, /* dst_mask */ |
| 1369 | FALSE), /* pcrel_offset */ |
| 1370 | |
| 1371 | /* Protected jump conversion. This is an optimization hint. No |
| 1372 | relocation is required for correctness. */ |
| 1373 | HOWTO (R_MIPS_JALR, /* type */ |
| 1374 | 0, /* rightshift */ |
| 1375 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1376 | 32, /* bitsize */ |
| 1377 | FALSE, /* pc_relative */ |
| 1378 | 0, /* bitpos */ |
| 1379 | complain_overflow_dont, /* complain_on_overflow */ |
| 1380 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1381 | "R_MIPS_JALR", /* name */ |
| 1382 | FALSE, /* partial_inplace */ |
| 1383 | 0, /* src_mask */ |
| 1384 | 0, /* dst_mask */ |
| 1385 | FALSE), /* pcrel_offset */ |
| 1386 | |
| 1387 | /* TLS GD/LD dynamic relocations. */ |
| 1388 | HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ |
| 1389 | 0, /* rightshift */ |
| 1390 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1391 | 32, /* bitsize */ |
| 1392 | FALSE, /* pc_relative */ |
| 1393 | 0, /* bitpos */ |
| 1394 | complain_overflow_dont, /* complain_on_overflow */ |
| 1395 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1396 | "R_MIPS_TLS_DTPMOD32", /* name */ |
| 1397 | FALSE, /* partial_inplace */ |
| 1398 | 0, /* src_mask */ |
| 1399 | 0xffffffff, /* dst_mask */ |
| 1400 | FALSE), /* pcrel_offset */ |
| 1401 | |
| 1402 | HOWTO (R_MIPS_TLS_DTPREL32, /* type */ |
| 1403 | 0, /* rightshift */ |
| 1404 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1405 | 32, /* bitsize */ |
| 1406 | FALSE, /* pc_relative */ |
| 1407 | 0, /* bitpos */ |
| 1408 | complain_overflow_dont, /* complain_on_overflow */ |
| 1409 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1410 | "R_MIPS_TLS_DTPREL32", /* name */ |
| 1411 | FALSE, /* partial_inplace */ |
| 1412 | 0, /* src_mask */ |
| 1413 | 0xffffffff, /* dst_mask */ |
| 1414 | FALSE), /* pcrel_offset */ |
| 1415 | |
| 1416 | EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), |
| 1417 | EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), |
| 1418 | |
| 1419 | /* TLS general dynamic variable reference. */ |
| 1420 | HOWTO (R_MIPS_TLS_GD, /* type */ |
| 1421 | 0, /* rightshift */ |
| 1422 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1423 | 16, /* bitsize */ |
| 1424 | FALSE, /* pc_relative */ |
| 1425 | 0, /* bitpos */ |
| 1426 | complain_overflow_signed, /* complain_on_overflow */ |
| 1427 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1428 | "R_MIPS_TLS_GD", /* name */ |
| 1429 | FALSE, /* partial_inplace */ |
| 1430 | 0, /* src_mask */ |
| 1431 | 0x0000ffff, /* dst_mask */ |
| 1432 | FALSE), /* pcrel_offset */ |
| 1433 | |
| 1434 | /* TLS local dynamic variable reference. */ |
| 1435 | HOWTO (R_MIPS_TLS_LDM, /* type */ |
| 1436 | 0, /* rightshift */ |
| 1437 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1438 | 16, /* bitsize */ |
| 1439 | FALSE, /* pc_relative */ |
| 1440 | 0, /* bitpos */ |
| 1441 | complain_overflow_signed, /* complain_on_overflow */ |
| 1442 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1443 | "R_MIPS_TLS_LDM", /* name */ |
| 1444 | FALSE, /* partial_inplace */ |
| 1445 | 0, /* src_mask */ |
| 1446 | 0x0000ffff, /* dst_mask */ |
| 1447 | FALSE), /* pcrel_offset */ |
| 1448 | |
| 1449 | /* TLS local dynamic offset. */ |
| 1450 | HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ |
| 1451 | 0, /* rightshift */ |
| 1452 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1453 | 16, /* bitsize */ |
| 1454 | FALSE, /* pc_relative */ |
| 1455 | 0, /* bitpos */ |
| 1456 | complain_overflow_signed, /* complain_on_overflow */ |
| 1457 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1458 | "R_MIPS_TLS_DTPREL_HI16", /* name */ |
| 1459 | FALSE, /* partial_inplace */ |
| 1460 | 0, /* src_mask */ |
| 1461 | 0x0000ffff, /* dst_mask */ |
| 1462 | FALSE), /* pcrel_offset */ |
| 1463 | |
| 1464 | /* TLS local dynamic offset. */ |
| 1465 | HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ |
| 1466 | 0, /* rightshift */ |
| 1467 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1468 | 16, /* bitsize */ |
| 1469 | FALSE, /* pc_relative */ |
| 1470 | 0, /* bitpos */ |
| 1471 | complain_overflow_signed, /* complain_on_overflow */ |
| 1472 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1473 | "R_MIPS_TLS_DTPREL_LO16", /* name */ |
| 1474 | FALSE, /* partial_inplace */ |
| 1475 | 0, /* src_mask */ |
| 1476 | 0x0000ffff, /* dst_mask */ |
| 1477 | FALSE), /* pcrel_offset */ |
| 1478 | |
| 1479 | /* TLS thread pointer offset. */ |
| 1480 | HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ |
| 1481 | 0, /* rightshift */ |
| 1482 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1483 | 16, /* bitsize */ |
| 1484 | FALSE, /* pc_relative */ |
| 1485 | 0, /* bitpos */ |
| 1486 | complain_overflow_signed, /* complain_on_overflow */ |
| 1487 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1488 | "R_MIPS_TLS_GOTTPREL", /* name */ |
| 1489 | FALSE, /* partial_inplace */ |
| 1490 | 0, /* src_mask */ |
| 1491 | 0x0000ffff, /* dst_mask */ |
| 1492 | FALSE), /* pcrel_offset */ |
| 1493 | |
| 1494 | /* TLS IE dynamic relocations. */ |
| 1495 | HOWTO (R_MIPS_TLS_TPREL32, /* type */ |
| 1496 | 0, /* rightshift */ |
| 1497 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1498 | 32, /* bitsize */ |
| 1499 | FALSE, /* pc_relative */ |
| 1500 | 0, /* bitpos */ |
| 1501 | complain_overflow_dont, /* complain_on_overflow */ |
| 1502 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1503 | "R_MIPS_TLS_TPREL32", /* name */ |
| 1504 | FALSE, /* partial_inplace */ |
| 1505 | 0, /* src_mask */ |
| 1506 | 0xffffffff, /* dst_mask */ |
| 1507 | FALSE), /* pcrel_offset */ |
| 1508 | |
| 1509 | EMPTY_HOWTO (R_MIPS_TLS_TPREL64), |
| 1510 | |
| 1511 | /* TLS thread pointer offset. */ |
| 1512 | HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ |
| 1513 | 0, /* rightshift */ |
| 1514 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1515 | 16, /* bitsize */ |
| 1516 | FALSE, /* pc_relative */ |
| 1517 | 0, /* bitpos */ |
| 1518 | complain_overflow_signed, /* complain_on_overflow */ |
| 1519 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1520 | "R_MIPS_TLS_TPREL_HI16", /* name */ |
| 1521 | FALSE, /* partial_inplace */ |
| 1522 | 0, /* src_mask */ |
| 1523 | 0x0000ffff, /* dst_mask */ |
| 1524 | FALSE), /* pcrel_offset */ |
| 1525 | |
| 1526 | /* TLS thread pointer offset. */ |
| 1527 | HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ |
| 1528 | 0, /* rightshift */ |
| 1529 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1530 | 16, /* bitsize */ |
| 1531 | FALSE, /* pc_relative */ |
| 1532 | 0, /* bitpos */ |
| 1533 | complain_overflow_signed, /* complain_on_overflow */ |
| 1534 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1535 | "R_MIPS_TLS_TPREL_LO16", /* name */ |
| 1536 | FALSE, /* partial_inplace */ |
| 1537 | 0, /* src_mask */ |
| 1538 | 0x0000ffff, /* dst_mask */ |
| 1539 | FALSE), /* pcrel_offset */ |
| 1540 | |
| 1541 | /* 32 bit relocation with no addend. */ |
| 1542 | HOWTO (R_MIPS_GLOB_DAT, /* type */ |
| 1543 | 0, /* rightshift */ |
| 1544 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1545 | 32, /* bitsize */ |
| 1546 | FALSE, /* pc_relative */ |
| 1547 | 0, /* bitpos */ |
| 1548 | complain_overflow_dont, /* complain_on_overflow */ |
| 1549 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1550 | "R_MIPS_GLOB_DAT", /* name */ |
| 1551 | FALSE, /* partial_inplace */ |
| 1552 | 0x0, /* src_mask */ |
| 1553 | 0xffffffff, /* dst_mask */ |
| 1554 | FALSE), /* pcrel_offset */ |
| 1555 | |
| 1556 | EMPTY_HOWTO (52), |
| 1557 | EMPTY_HOWTO (53), |
| 1558 | EMPTY_HOWTO (54), |
| 1559 | EMPTY_HOWTO (55), |
| 1560 | EMPTY_HOWTO (56), |
| 1561 | EMPTY_HOWTO (57), |
| 1562 | EMPTY_HOWTO (58), |
| 1563 | EMPTY_HOWTO (59), |
| 1564 | |
| 1565 | HOWTO (R_MIPS_PC21_S2, /* type */ |
| 1566 | 2, /* rightshift */ |
| 1567 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1568 | 21, /* bitsize */ |
| 1569 | TRUE, /* pc_relative */ |
| 1570 | 0, /* bitpos */ |
| 1571 | complain_overflow_signed, /* complain_on_overflow */ |
| 1572 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1573 | "R_MIPS_PC21_S2", /* name */ |
| 1574 | FALSE, /* partial_inplace */ |
| 1575 | 0, /* src_mask */ |
| 1576 | 0x001fffff, /* dst_mask */ |
| 1577 | TRUE), /* pcrel_offset */ |
| 1578 | |
| 1579 | HOWTO (R_MIPS_PC26_S2, /* type */ |
| 1580 | 2, /* rightshift */ |
| 1581 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1582 | 26, /* bitsize */ |
| 1583 | TRUE, /* pc_relative */ |
| 1584 | 0, /* bitpos */ |
| 1585 | complain_overflow_signed, /* complain_on_overflow */ |
| 1586 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1587 | "R_MIPS_PC26_S2", /* name */ |
| 1588 | FALSE, /* partial_inplace */ |
| 1589 | 0, /* src_mask */ |
| 1590 | 0x03ffffff, /* dst_mask */ |
| 1591 | TRUE), /* pcrel_offset */ |
| 1592 | |
| 1593 | HOWTO (R_MIPS_PC18_S3, /* type */ |
| 1594 | 3, /* rightshift */ |
| 1595 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1596 | 18, /* bitsize */ |
| 1597 | TRUE, /* pc_relative */ |
| 1598 | 0, /* bitpos */ |
| 1599 | complain_overflow_signed, /* complain_on_overflow */ |
| 1600 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1601 | "R_MIPS_PC18_S3", /* name */ |
| 1602 | FALSE, /* partial_inplace */ |
| 1603 | 0, /* src_mask */ |
| 1604 | 0x0003ffff, /* dst_mask */ |
| 1605 | TRUE), /* pcrel_offset */ |
| 1606 | |
| 1607 | HOWTO (R_MIPS_PC19_S2, /* type */ |
| 1608 | 2, /* rightshift */ |
| 1609 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1610 | 19, /* bitsize */ |
| 1611 | TRUE, /* pc_relative */ |
| 1612 | 0, /* bitpos */ |
| 1613 | complain_overflow_signed, /* complain_on_overflow */ |
| 1614 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1615 | "R_MIPS_PC19_S2", /* name */ |
| 1616 | FALSE, /* partial_inplace */ |
| 1617 | 0, /* src_mask */ |
| 1618 | 0x0007ffff, /* dst_mask */ |
| 1619 | TRUE), /* pcrel_offset */ |
| 1620 | |
| 1621 | HOWTO (R_MIPS_PCHI16, /* type */ |
| 1622 | 16, /* rightshift */ |
| 1623 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1624 | 16, /* bitsize */ |
| 1625 | TRUE, /* pc_relative */ |
| 1626 | 0, /* bitpos */ |
| 1627 | complain_overflow_signed, /* complain_on_overflow */ |
| 1628 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1629 | "R_MIPS_PCHI16", /* name */ |
| 1630 | FALSE, /* partial_inplace */ |
| 1631 | 0, /* src_mask */ |
| 1632 | 0x0000ffff, /* dst_mask */ |
| 1633 | TRUE), /* pcrel_offset */ |
| 1634 | |
| 1635 | HOWTO (R_MIPS_PCLO16, /* type */ |
| 1636 | 0, /* rightshift */ |
| 1637 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1638 | 16, /* bitsize */ |
| 1639 | TRUE, /* pc_relative */ |
| 1640 | 0, /* bitpos */ |
| 1641 | complain_overflow_dont, /* complain_on_overflow */ |
| 1642 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1643 | "R_MIPS_PCLO16", /* name */ |
| 1644 | FALSE, /* partial_inplace */ |
| 1645 | 0, /* src_mask */ |
| 1646 | 0x0000ffff, /* dst_mask */ |
| 1647 | TRUE), /* pcrel_offset */ |
| 1648 | |
| 1649 | }; |
| 1650 | |
| 1651 | static reloc_howto_type elf_mips16_howto_table_rel[] = |
| 1652 | { |
| 1653 | /* The reloc used for the mips16 jump instruction. */ |
| 1654 | HOWTO (R_MIPS16_26, /* type */ |
| 1655 | 2, /* rightshift */ |
| 1656 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1657 | 26, /* bitsize */ |
| 1658 | FALSE, /* pc_relative */ |
| 1659 | 0, /* bitpos */ |
| 1660 | complain_overflow_dont, /* complain_on_overflow */ |
| 1661 | /* This needs complex overflow |
| 1662 | detection, because the upper four |
| 1663 | bits must match the PC. */ |
| 1664 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1665 | "R_MIPS16_26", /* name */ |
| 1666 | TRUE, /* partial_inplace */ |
| 1667 | 0x3ffffff, /* src_mask */ |
| 1668 | 0x3ffffff, /* dst_mask */ |
| 1669 | FALSE), /* pcrel_offset */ |
| 1670 | |
| 1671 | /* The reloc used for the mips16 gprel instruction. */ |
| 1672 | HOWTO (R_MIPS16_GPREL, /* type */ |
| 1673 | 0, /* rightshift */ |
| 1674 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1675 | 16, /* bitsize */ |
| 1676 | FALSE, /* pc_relative */ |
| 1677 | 0, /* bitpos */ |
| 1678 | complain_overflow_signed, /* complain_on_overflow */ |
| 1679 | mips16_gprel_reloc, /* special_function */ |
| 1680 | "R_MIPS16_GPREL", /* name */ |
| 1681 | TRUE, /* partial_inplace */ |
| 1682 | 0x0000ffff, /* src_mask */ |
| 1683 | 0x0000ffff, /* dst_mask */ |
| 1684 | FALSE), /* pcrel_offset */ |
| 1685 | |
| 1686 | /* A MIPS16 reference to the global offset table. */ |
| 1687 | HOWTO (R_MIPS16_GOT16, /* type */ |
| 1688 | 0, /* rightshift */ |
| 1689 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1690 | 16, /* bitsize */ |
| 1691 | FALSE, /* pc_relative */ |
| 1692 | 0, /* bitpos */ |
| 1693 | complain_overflow_dont, /* complain_on_overflow */ |
| 1694 | _bfd_mips_elf_got16_reloc, /* special_function */ |
| 1695 | "R_MIPS16_GOT16", /* name */ |
| 1696 | TRUE, /* partial_inplace */ |
| 1697 | 0x0000ffff, /* src_mask */ |
| 1698 | 0x0000ffff, /* dst_mask */ |
| 1699 | FALSE), /* pcrel_offset */ |
| 1700 | |
| 1701 | /* A MIPS16 call through the global offset table. */ |
| 1702 | HOWTO (R_MIPS16_CALL16, /* type */ |
| 1703 | 0, /* rightshift */ |
| 1704 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1705 | 16, /* bitsize */ |
| 1706 | FALSE, /* pc_relative */ |
| 1707 | 0, /* bitpos */ |
| 1708 | complain_overflow_dont, /* complain_on_overflow */ |
| 1709 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1710 | "R_MIPS16_CALL16", /* name */ |
| 1711 | TRUE, /* partial_inplace */ |
| 1712 | 0x0000ffff, /* src_mask */ |
| 1713 | 0x0000ffff, /* dst_mask */ |
| 1714 | FALSE), /* pcrel_offset */ |
| 1715 | |
| 1716 | /* MIPS16 high 16 bits of symbol value. */ |
| 1717 | HOWTO (R_MIPS16_HI16, /* type */ |
| 1718 | 16, /* rightshift */ |
| 1719 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1720 | 16, /* bitsize */ |
| 1721 | FALSE, /* pc_relative */ |
| 1722 | 0, /* bitpos */ |
| 1723 | complain_overflow_dont, /* complain_on_overflow */ |
| 1724 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
| 1725 | "R_MIPS16_HI16", /* name */ |
| 1726 | TRUE, /* partial_inplace */ |
| 1727 | 0x0000ffff, /* src_mask */ |
| 1728 | 0x0000ffff, /* dst_mask */ |
| 1729 | FALSE), /* pcrel_offset */ |
| 1730 | |
| 1731 | /* MIPS16 low 16 bits of symbol value. */ |
| 1732 | HOWTO (R_MIPS16_LO16, /* type */ |
| 1733 | 0, /* rightshift */ |
| 1734 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1735 | 16, /* bitsize */ |
| 1736 | FALSE, /* pc_relative */ |
| 1737 | 0, /* bitpos */ |
| 1738 | complain_overflow_dont, /* complain_on_overflow */ |
| 1739 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
| 1740 | "R_MIPS16_LO16", /* name */ |
| 1741 | TRUE, /* partial_inplace */ |
| 1742 | 0x0000ffff, /* src_mask */ |
| 1743 | 0x0000ffff, /* dst_mask */ |
| 1744 | FALSE), /* pcrel_offset */ |
| 1745 | |
| 1746 | /* MIPS16 TLS general dynamic variable reference. */ |
| 1747 | HOWTO (R_MIPS16_TLS_GD, /* type */ |
| 1748 | 0, /* rightshift */ |
| 1749 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1750 | 16, /* bitsize */ |
| 1751 | FALSE, /* pc_relative */ |
| 1752 | 0, /* bitpos */ |
| 1753 | complain_overflow_signed, /* complain_on_overflow */ |
| 1754 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1755 | "R_MIPS16_TLS_GD", /* name */ |
| 1756 | TRUE, /* partial_inplace */ |
| 1757 | 0x0000ffff, /* src_mask */ |
| 1758 | 0x0000ffff, /* dst_mask */ |
| 1759 | FALSE), /* pcrel_offset */ |
| 1760 | |
| 1761 | /* MIPS16 TLS local dynamic variable reference. */ |
| 1762 | HOWTO (R_MIPS16_TLS_LDM, /* type */ |
| 1763 | 0, /* rightshift */ |
| 1764 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1765 | 16, /* bitsize */ |
| 1766 | FALSE, /* pc_relative */ |
| 1767 | 0, /* bitpos */ |
| 1768 | complain_overflow_signed, /* complain_on_overflow */ |
| 1769 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1770 | "R_MIPS16_TLS_LDM", /* name */ |
| 1771 | TRUE, /* partial_inplace */ |
| 1772 | 0x0000ffff, /* src_mask */ |
| 1773 | 0x0000ffff, /* dst_mask */ |
| 1774 | FALSE), /* pcrel_offset */ |
| 1775 | |
| 1776 | /* MIPS16 TLS local dynamic offset. */ |
| 1777 | HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ |
| 1778 | 0, /* rightshift */ |
| 1779 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1780 | 16, /* bitsize */ |
| 1781 | FALSE, /* pc_relative */ |
| 1782 | 0, /* bitpos */ |
| 1783 | complain_overflow_signed, /* complain_on_overflow */ |
| 1784 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1785 | "R_MIPS16_TLS_DTPREL_HI16", /* name */ |
| 1786 | TRUE, /* partial_inplace */ |
| 1787 | 0x0000ffff, /* src_mask */ |
| 1788 | 0x0000ffff, /* dst_mask */ |
| 1789 | FALSE), /* pcrel_offset */ |
| 1790 | |
| 1791 | /* MIPS16 TLS local dynamic offset. */ |
| 1792 | HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ |
| 1793 | 0, /* rightshift */ |
| 1794 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1795 | 16, /* bitsize */ |
| 1796 | FALSE, /* pc_relative */ |
| 1797 | 0, /* bitpos */ |
| 1798 | complain_overflow_signed, /* complain_on_overflow */ |
| 1799 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1800 | "R_MIPS16_TLS_DTPREL_LO16", /* name */ |
| 1801 | TRUE, /* partial_inplace */ |
| 1802 | 0x0000ffff, /* src_mask */ |
| 1803 | 0x0000ffff, /* dst_mask */ |
| 1804 | FALSE), /* pcrel_offset */ |
| 1805 | |
| 1806 | /* MIPS16 TLS thread pointer offset. */ |
| 1807 | HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ |
| 1808 | 0, /* rightshift */ |
| 1809 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1810 | 16, /* bitsize */ |
| 1811 | FALSE, /* pc_relative */ |
| 1812 | 0, /* bitpos */ |
| 1813 | complain_overflow_signed, /* complain_on_overflow */ |
| 1814 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1815 | "R_MIPS16_TLS_GOTTPREL", /* name */ |
| 1816 | TRUE, /* partial_inplace */ |
| 1817 | 0x0000ffff, /* src_mask */ |
| 1818 | 0x0000ffff, /* dst_mask */ |
| 1819 | FALSE), /* pcrel_offset */ |
| 1820 | |
| 1821 | /* MIPS16 TLS thread pointer offset. */ |
| 1822 | HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ |
| 1823 | 0, /* rightshift */ |
| 1824 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1825 | 16, /* bitsize */ |
| 1826 | FALSE, /* pc_relative */ |
| 1827 | 0, /* bitpos */ |
| 1828 | complain_overflow_signed, /* complain_on_overflow */ |
| 1829 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1830 | "R_MIPS16_TLS_TPREL_HI16", /* name */ |
| 1831 | TRUE, /* partial_inplace */ |
| 1832 | 0x0000ffff, /* src_mask */ |
| 1833 | 0x0000ffff, /* dst_mask */ |
| 1834 | FALSE), /* pcrel_offset */ |
| 1835 | |
| 1836 | /* MIPS16 TLS thread pointer offset. */ |
| 1837 | HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ |
| 1838 | 0, /* rightshift */ |
| 1839 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1840 | 16, /* bitsize */ |
| 1841 | FALSE, /* pc_relative */ |
| 1842 | 0, /* bitpos */ |
| 1843 | complain_overflow_signed, /* complain_on_overflow */ |
| 1844 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1845 | "R_MIPS16_TLS_TPREL_LO16", /* name */ |
| 1846 | TRUE, /* partial_inplace */ |
| 1847 | 0x0000ffff, /* src_mask */ |
| 1848 | 0x0000ffff, /* dst_mask */ |
| 1849 | FALSE), /* pcrel_offset */ |
| 1850 | |
| 1851 | /* MIPS16 16-bit PC-relative branch offset. */ |
| 1852 | HOWTO (R_MIPS16_PC16_S1, /* type */ |
| 1853 | 1, /* rightshift */ |
| 1854 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1855 | 16, /* bitsize */ |
| 1856 | TRUE, /* pc_relative */ |
| 1857 | 0, /* bitpos */ |
| 1858 | complain_overflow_signed, /* complain_on_overflow */ |
| 1859 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1860 | "R_MIPS16_PC16_S1", /* name */ |
| 1861 | TRUE, /* partial_inplace */ |
| 1862 | 0x0000ffff, /* src_mask */ |
| 1863 | 0x0000ffff, /* dst_mask */ |
| 1864 | TRUE), /* pcrel_offset */ |
| 1865 | }; |
| 1866 | |
| 1867 | static reloc_howto_type elf_mips16_howto_table_rela[] = |
| 1868 | { |
| 1869 | /* The reloc used for the mips16 jump instruction. */ |
| 1870 | HOWTO (R_MIPS16_26, /* type */ |
| 1871 | 2, /* rightshift */ |
| 1872 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1873 | 26, /* bitsize */ |
| 1874 | FALSE, /* pc_relative */ |
| 1875 | 0, /* bitpos */ |
| 1876 | complain_overflow_dont, /* complain_on_overflow */ |
| 1877 | /* This needs complex overflow |
| 1878 | detection, because the upper four |
| 1879 | bits must match the PC. */ |
| 1880 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1881 | "R_MIPS16_26", /* name */ |
| 1882 | FALSE, /* partial_inplace */ |
| 1883 | 0, /* src_mask */ |
| 1884 | 0x3ffffff, /* dst_mask */ |
| 1885 | FALSE), /* pcrel_offset */ |
| 1886 | |
| 1887 | /* The reloc used for the mips16 gprel instruction. */ |
| 1888 | HOWTO (R_MIPS16_GPREL, /* type */ |
| 1889 | 0, /* rightshift */ |
| 1890 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1891 | 16, /* bitsize */ |
| 1892 | FALSE, /* pc_relative */ |
| 1893 | 0, /* bitpos */ |
| 1894 | complain_overflow_signed, /* complain_on_overflow */ |
| 1895 | mips16_gprel_reloc, /* special_function */ |
| 1896 | "R_MIPS16_GPREL", /* name */ |
| 1897 | FALSE, /* partial_inplace */ |
| 1898 | 0, /* src_mask */ |
| 1899 | 0x0000ffff, /* dst_mask */ |
| 1900 | FALSE), /* pcrel_offset */ |
| 1901 | |
| 1902 | /* A MIPS16 reference to the global offset table. */ |
| 1903 | HOWTO (R_MIPS16_GOT16, /* type */ |
| 1904 | 0, /* rightshift */ |
| 1905 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1906 | 16, /* bitsize */ |
| 1907 | FALSE, /* pc_relative */ |
| 1908 | 0, /* bitpos */ |
| 1909 | complain_overflow_dont, /* complain_on_overflow */ |
| 1910 | _bfd_mips_elf_got16_reloc, /* special_function */ |
| 1911 | "R_MIPS16_GOT16", /* name */ |
| 1912 | FALSE, /* partial_inplace */ |
| 1913 | 0, /* src_mask */ |
| 1914 | 0x0000ffff, /* dst_mask */ |
| 1915 | FALSE), /* pcrel_offset */ |
| 1916 | |
| 1917 | /* A MIPS16 call through the global offset table. */ |
| 1918 | HOWTO (R_MIPS16_CALL16, /* type */ |
| 1919 | 0, /* rightshift */ |
| 1920 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1921 | 16, /* bitsize */ |
| 1922 | FALSE, /* pc_relative */ |
| 1923 | 0, /* bitpos */ |
| 1924 | complain_overflow_dont, /* complain_on_overflow */ |
| 1925 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1926 | "R_MIPS16_CALL16", /* name */ |
| 1927 | FALSE, /* partial_inplace */ |
| 1928 | 0, /* src_mask */ |
| 1929 | 0x0000ffff, /* dst_mask */ |
| 1930 | FALSE), /* pcrel_offset */ |
| 1931 | |
| 1932 | /* MIPS16 high 16 bits of symbol value. */ |
| 1933 | HOWTO (R_MIPS16_HI16, /* type */ |
| 1934 | 16, /* rightshift */ |
| 1935 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1936 | 16, /* bitsize */ |
| 1937 | FALSE, /* pc_relative */ |
| 1938 | 0, /* bitpos */ |
| 1939 | complain_overflow_dont, /* complain_on_overflow */ |
| 1940 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
| 1941 | "R_MIPS16_HI16", /* name */ |
| 1942 | FALSE, /* partial_inplace */ |
| 1943 | 0, /* src_mask */ |
| 1944 | 0x0000ffff, /* dst_mask */ |
| 1945 | FALSE), /* pcrel_offset */ |
| 1946 | |
| 1947 | /* MIPS16 low 16 bits of symbol value. */ |
| 1948 | HOWTO (R_MIPS16_LO16, /* type */ |
| 1949 | 0, /* rightshift */ |
| 1950 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1951 | 16, /* bitsize */ |
| 1952 | FALSE, /* pc_relative */ |
| 1953 | 0, /* bitpos */ |
| 1954 | complain_overflow_dont, /* complain_on_overflow */ |
| 1955 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
| 1956 | "R_MIPS16_LO16", /* name */ |
| 1957 | FALSE, /* partial_inplace */ |
| 1958 | 0, /* src_mask */ |
| 1959 | 0x0000ffff, /* dst_mask */ |
| 1960 | FALSE), /* pcrel_offset */ |
| 1961 | |
| 1962 | /* MIPS16 TLS general dynamic variable reference. */ |
| 1963 | HOWTO (R_MIPS16_TLS_GD, /* type */ |
| 1964 | 0, /* rightshift */ |
| 1965 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1966 | 16, /* bitsize */ |
| 1967 | FALSE, /* pc_relative */ |
| 1968 | 0, /* bitpos */ |
| 1969 | complain_overflow_signed, /* complain_on_overflow */ |
| 1970 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1971 | "R_MIPS16_TLS_GD", /* name */ |
| 1972 | FALSE, /* partial_inplace */ |
| 1973 | 0, /* src_mask */ |
| 1974 | 0x0000ffff, /* dst_mask */ |
| 1975 | FALSE), /* pcrel_offset */ |
| 1976 | |
| 1977 | /* MIPS16 TLS local dynamic variable reference. */ |
| 1978 | HOWTO (R_MIPS16_TLS_LDM, /* type */ |
| 1979 | 0, /* rightshift */ |
| 1980 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1981 | 16, /* bitsize */ |
| 1982 | FALSE, /* pc_relative */ |
| 1983 | 0, /* bitpos */ |
| 1984 | complain_overflow_signed, /* complain_on_overflow */ |
| 1985 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 1986 | "R_MIPS16_TLS_LDM", /* name */ |
| 1987 | FALSE, /* partial_inplace */ |
| 1988 | 0, /* src_mask */ |
| 1989 | 0x0000ffff, /* dst_mask */ |
| 1990 | FALSE), /* pcrel_offset */ |
| 1991 | |
| 1992 | /* MIPS16 TLS local dynamic offset. */ |
| 1993 | HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ |
| 1994 | 0, /* rightshift */ |
| 1995 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1996 | 16, /* bitsize */ |
| 1997 | FALSE, /* pc_relative */ |
| 1998 | 0, /* bitpos */ |
| 1999 | complain_overflow_signed, /* complain_on_overflow */ |
| 2000 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2001 | "R_MIPS16_TLS_DTPREL_HI16", /* name */ |
| 2002 | FALSE, /* partial_inplace */ |
| 2003 | 0, /* src_mask */ |
| 2004 | 0x0000ffff, /* dst_mask */ |
| 2005 | FALSE), /* pcrel_offset */ |
| 2006 | |
| 2007 | /* MIPS16 TLS local dynamic offset. */ |
| 2008 | HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ |
| 2009 | 0, /* rightshift */ |
| 2010 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2011 | 16, /* bitsize */ |
| 2012 | FALSE, /* pc_relative */ |
| 2013 | 0, /* bitpos */ |
| 2014 | complain_overflow_signed, /* complain_on_overflow */ |
| 2015 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2016 | "R_MIPS16_TLS_DTPREL_LO16", /* name */ |
| 2017 | FALSE, /* partial_inplace */ |
| 2018 | 0, /* src_mask */ |
| 2019 | 0x0000ffff, /* dst_mask */ |
| 2020 | FALSE), /* pcrel_offset */ |
| 2021 | |
| 2022 | /* MIPS16 TLS thread pointer offset. */ |
| 2023 | HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ |
| 2024 | 0, /* rightshift */ |
| 2025 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2026 | 16, /* bitsize */ |
| 2027 | FALSE, /* pc_relative */ |
| 2028 | 0, /* bitpos */ |
| 2029 | complain_overflow_signed, /* complain_on_overflow */ |
| 2030 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2031 | "R_MIPS16_TLS_GOTTPREL", /* name */ |
| 2032 | FALSE, /* partial_inplace */ |
| 2033 | 0, /* src_mask */ |
| 2034 | 0x0000ffff, /* dst_mask */ |
| 2035 | FALSE), /* pcrel_offset */ |
| 2036 | |
| 2037 | /* MIPS16 TLS thread pointer offset. */ |
| 2038 | HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ |
| 2039 | 0, /* rightshift */ |
| 2040 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2041 | 16, /* bitsize */ |
| 2042 | FALSE, /* pc_relative */ |
| 2043 | 0, /* bitpos */ |
| 2044 | complain_overflow_signed, /* complain_on_overflow */ |
| 2045 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2046 | "R_MIPS16_TLS_TPREL_HI16", /* name */ |
| 2047 | FALSE, /* partial_inplace */ |
| 2048 | 0, /* src_mask */ |
| 2049 | 0x0000ffff, /* dst_mask */ |
| 2050 | FALSE), /* pcrel_offset */ |
| 2051 | |
| 2052 | /* MIPS16 TLS thread pointer offset. */ |
| 2053 | HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ |
| 2054 | 0, /* rightshift */ |
| 2055 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2056 | 16, /* bitsize */ |
| 2057 | FALSE, /* pc_relative */ |
| 2058 | 0, /* bitpos */ |
| 2059 | complain_overflow_signed, /* complain_on_overflow */ |
| 2060 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2061 | "R_MIPS16_TLS_TPREL_LO16", /* name */ |
| 2062 | FALSE, /* partial_inplace */ |
| 2063 | 0, /* src_mask */ |
| 2064 | 0x0000ffff, /* dst_mask */ |
| 2065 | FALSE), /* pcrel_offset */ |
| 2066 | |
| 2067 | /* MIPS16 16-bit PC-relative branch offset. */ |
| 2068 | HOWTO (R_MIPS16_PC16_S1, /* type */ |
| 2069 | 1, /* rightshift */ |
| 2070 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2071 | 16, /* bitsize */ |
| 2072 | TRUE, /* pc_relative */ |
| 2073 | 0, /* bitpos */ |
| 2074 | complain_overflow_signed, /* complain_on_overflow */ |
| 2075 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2076 | "R_MIPS16_PC16_S1", /* name */ |
| 2077 | FALSE, /* partial_inplace */ |
| 2078 | 0, /* src_mask */ |
| 2079 | 0x0000ffff, /* dst_mask */ |
| 2080 | TRUE), /* pcrel_offset */ |
| 2081 | }; |
| 2082 | |
| 2083 | static reloc_howto_type elf_micromips_howto_table_rel[] = |
| 2084 | { |
| 2085 | EMPTY_HOWTO (130), |
| 2086 | EMPTY_HOWTO (131), |
| 2087 | EMPTY_HOWTO (132), |
| 2088 | |
| 2089 | /* 26 bit jump address. */ |
| 2090 | HOWTO (R_MICROMIPS_26_S1, /* type */ |
| 2091 | 1, /* rightshift */ |
| 2092 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2093 | 26, /* bitsize */ |
| 2094 | FALSE, /* pc_relative */ |
| 2095 | 0, /* bitpos */ |
| 2096 | complain_overflow_dont, /* complain_on_overflow */ |
| 2097 | /* This needs complex overflow |
| 2098 | detection, because the upper four |
| 2099 | bits must match the PC. */ |
| 2100 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2101 | "R_MICROMIPS_26_S1", /* name */ |
| 2102 | TRUE, /* partial_inplace */ |
| 2103 | 0x3ffffff, /* src_mask */ |
| 2104 | 0x3ffffff, /* dst_mask */ |
| 2105 | FALSE), /* pcrel_offset */ |
| 2106 | |
| 2107 | /* High 16 bits of symbol value. */ |
| 2108 | HOWTO (R_MICROMIPS_HI16, /* type */ |
| 2109 | 16, /* rightshift */ |
| 2110 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2111 | 16, /* bitsize */ |
| 2112 | FALSE, /* pc_relative */ |
| 2113 | 0, /* bitpos */ |
| 2114 | complain_overflow_dont, /* complain_on_overflow */ |
| 2115 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
| 2116 | "R_MICROMIPS_HI16", /* name */ |
| 2117 | TRUE, /* partial_inplace */ |
| 2118 | 0x0000ffff, /* src_mask */ |
| 2119 | 0x0000ffff, /* dst_mask */ |
| 2120 | FALSE), /* pcrel_offset */ |
| 2121 | |
| 2122 | /* Low 16 bits of symbol value. */ |
| 2123 | HOWTO (R_MICROMIPS_LO16, /* type */ |
| 2124 | 0, /* rightshift */ |
| 2125 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2126 | 16, /* bitsize */ |
| 2127 | FALSE, /* pc_relative */ |
| 2128 | 0, /* bitpos */ |
| 2129 | complain_overflow_dont, /* complain_on_overflow */ |
| 2130 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
| 2131 | "R_MICROMIPS_LO16", /* name */ |
| 2132 | TRUE, /* partial_inplace */ |
| 2133 | 0x0000ffff, /* src_mask */ |
| 2134 | 0x0000ffff, /* dst_mask */ |
| 2135 | FALSE), /* pcrel_offset */ |
| 2136 | |
| 2137 | /* GP relative reference. */ |
| 2138 | HOWTO (R_MICROMIPS_GPREL16, /* type */ |
| 2139 | 0, /* rightshift */ |
| 2140 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2141 | 16, /* bitsize */ |
| 2142 | FALSE, /* pc_relative */ |
| 2143 | 0, /* bitpos */ |
| 2144 | complain_overflow_signed, /* complain_on_overflow */ |
| 2145 | _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| 2146 | "R_MICROMIPS_GPREL16", /* name */ |
| 2147 | TRUE, /* partial_inplace */ |
| 2148 | 0x0000ffff, /* src_mask */ |
| 2149 | 0x0000ffff, /* dst_mask */ |
| 2150 | FALSE), /* pcrel_offset */ |
| 2151 | |
| 2152 | /* Reference to literal section. */ |
| 2153 | HOWTO (R_MICROMIPS_LITERAL, /* type */ |
| 2154 | 0, /* rightshift */ |
| 2155 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2156 | 16, /* bitsize */ |
| 2157 | FALSE, /* pc_relative */ |
| 2158 | 0, /* bitpos */ |
| 2159 | complain_overflow_signed, /* complain_on_overflow */ |
| 2160 | _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| 2161 | "R_MICROMIPS_LITERAL", /* name */ |
| 2162 | TRUE, /* partial_inplace */ |
| 2163 | 0x0000ffff, /* src_mask */ |
| 2164 | 0x0000ffff, /* dst_mask */ |
| 2165 | FALSE), /* pcrel_offset */ |
| 2166 | |
| 2167 | /* Reference to global offset table. */ |
| 2168 | HOWTO (R_MICROMIPS_GOT16, /* type */ |
| 2169 | 0, /* rightshift */ |
| 2170 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2171 | 16, /* bitsize */ |
| 2172 | FALSE, /* pc_relative */ |
| 2173 | 0, /* bitpos */ |
| 2174 | complain_overflow_signed, /* complain_on_overflow */ |
| 2175 | _bfd_mips_elf_got16_reloc, /* special_function */ |
| 2176 | "R_MICROMIPS_GOT16", /* name */ |
| 2177 | TRUE, /* partial_inplace */ |
| 2178 | 0x0000ffff, /* src_mask */ |
| 2179 | 0x0000ffff, /* dst_mask */ |
| 2180 | FALSE), /* pcrel_offset */ |
| 2181 | |
| 2182 | /* This is for microMIPS branches. */ |
| 2183 | HOWTO (R_MICROMIPS_PC7_S1, /* type */ |
| 2184 | 1, /* rightshift */ |
| 2185 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2186 | 7, /* bitsize */ |
| 2187 | TRUE, /* pc_relative */ |
| 2188 | 0, /* bitpos */ |
| 2189 | complain_overflow_signed, /* complain_on_overflow */ |
| 2190 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2191 | "R_MICROMIPS_PC7_S1", /* name */ |
| 2192 | TRUE, /* partial_inplace */ |
| 2193 | 0x0000007f, /* src_mask */ |
| 2194 | 0x0000007f, /* dst_mask */ |
| 2195 | TRUE), /* pcrel_offset */ |
| 2196 | |
| 2197 | HOWTO (R_MICROMIPS_PC10_S1, /* type */ |
| 2198 | 1, /* rightshift */ |
| 2199 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2200 | 10, /* bitsize */ |
| 2201 | TRUE, /* pc_relative */ |
| 2202 | 0, /* bitpos */ |
| 2203 | complain_overflow_signed, /* complain_on_overflow */ |
| 2204 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2205 | "R_MICROMIPS_PC10_S1", /* name */ |
| 2206 | TRUE, /* partial_inplace */ |
| 2207 | 0x000003ff, /* src_mask */ |
| 2208 | 0x000003ff, /* dst_mask */ |
| 2209 | TRUE), /* pcrel_offset */ |
| 2210 | |
| 2211 | HOWTO (R_MICROMIPS_PC16_S1, /* type */ |
| 2212 | 1, /* rightshift */ |
| 2213 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2214 | 16, /* bitsize */ |
| 2215 | TRUE, /* pc_relative */ |
| 2216 | 0, /* bitpos */ |
| 2217 | complain_overflow_signed, /* complain_on_overflow */ |
| 2218 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2219 | "R_MICROMIPS_PC16_S1", /* name */ |
| 2220 | TRUE, /* partial_inplace */ |
| 2221 | 0x0000ffff, /* src_mask */ |
| 2222 | 0x0000ffff, /* dst_mask */ |
| 2223 | TRUE), /* pcrel_offset */ |
| 2224 | |
| 2225 | /* 16 bit call through global offset table. */ |
| 2226 | HOWTO (R_MICROMIPS_CALL16, /* type */ |
| 2227 | 0, /* rightshift */ |
| 2228 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2229 | 16, /* bitsize */ |
| 2230 | FALSE, /* pc_relative */ |
| 2231 | 0, /* bitpos */ |
| 2232 | complain_overflow_signed, /* complain_on_overflow */ |
| 2233 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2234 | "R_MICROMIPS_CALL16", /* name */ |
| 2235 | TRUE, /* partial_inplace */ |
| 2236 | 0x0000ffff, /* src_mask */ |
| 2237 | 0x0000ffff, /* dst_mask */ |
| 2238 | FALSE), /* pcrel_offset */ |
| 2239 | |
| 2240 | EMPTY_HOWTO (143), |
| 2241 | EMPTY_HOWTO (144), |
| 2242 | |
| 2243 | /* Displacement in the global offset table. */ |
| 2244 | HOWTO (R_MICROMIPS_GOT_DISP, /* type */ |
| 2245 | 0, /* rightshift */ |
| 2246 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2247 | 16, /* bitsize */ |
| 2248 | FALSE, /* pc_relative */ |
| 2249 | 0, /* bitpos */ |
| 2250 | complain_overflow_signed, /* complain_on_overflow */ |
| 2251 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2252 | "R_MICROMIPS_GOT_DISP",/* name */ |
| 2253 | TRUE, /* partial_inplace */ |
| 2254 | 0x0000ffff, /* src_mask */ |
| 2255 | 0x0000ffff, /* dst_mask */ |
| 2256 | FALSE), /* pcrel_offset */ |
| 2257 | |
| 2258 | /* Displacement to page pointer in the global offset table. */ |
| 2259 | HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ |
| 2260 | 0, /* rightshift */ |
| 2261 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2262 | 16, /* bitsize */ |
| 2263 | FALSE, /* pc_relative */ |
| 2264 | 0, /* bitpos */ |
| 2265 | complain_overflow_signed, /* complain_on_overflow */ |
| 2266 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2267 | "R_MICROMIPS_GOT_PAGE",/* name */ |
| 2268 | TRUE, /* partial_inplace */ |
| 2269 | 0x0000ffff, /* src_mask */ |
| 2270 | 0x0000ffff, /* dst_mask */ |
| 2271 | FALSE), /* pcrel_offset */ |
| 2272 | |
| 2273 | /* Offset from page pointer in the global offset table. */ |
| 2274 | HOWTO (R_MICROMIPS_GOT_OFST, /* type */ |
| 2275 | 0, /* rightshift */ |
| 2276 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2277 | 16, /* bitsize */ |
| 2278 | FALSE, /* pc_relative */ |
| 2279 | 0, /* bitpos */ |
| 2280 | complain_overflow_signed, /* complain_on_overflow */ |
| 2281 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2282 | "R_MICROMIPS_GOT_OFST",/* name */ |
| 2283 | TRUE, /* partial_inplace */ |
| 2284 | 0x0000ffff, /* src_mask */ |
| 2285 | 0x0000ffff, /* dst_mask */ |
| 2286 | FALSE), /* pcrel_offset */ |
| 2287 | |
| 2288 | /* High 16 bits of displacement in global offset table. */ |
| 2289 | HOWTO (R_MICROMIPS_GOT_HI16, /* type */ |
| 2290 | 0, /* rightshift */ |
| 2291 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2292 | 16, /* bitsize */ |
| 2293 | FALSE, /* pc_relative */ |
| 2294 | 0, /* bitpos */ |
| 2295 | complain_overflow_dont, /* complain_on_overflow */ |
| 2296 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2297 | "R_MICROMIPS_GOT_HI16",/* name */ |
| 2298 | TRUE, /* partial_inplace */ |
| 2299 | 0x0000ffff, /* src_mask */ |
| 2300 | 0x0000ffff, /* dst_mask */ |
| 2301 | FALSE), /* pcrel_offset */ |
| 2302 | |
| 2303 | /* Low 16 bits of displacement in global offset table. */ |
| 2304 | HOWTO (R_MICROMIPS_GOT_LO16, /* type */ |
| 2305 | 0, /* rightshift */ |
| 2306 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2307 | 16, /* bitsize */ |
| 2308 | FALSE, /* pc_relative */ |
| 2309 | 0, /* bitpos */ |
| 2310 | complain_overflow_dont, /* complain_on_overflow */ |
| 2311 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2312 | "R_MICROMIPS_GOT_LO16",/* name */ |
| 2313 | TRUE, /* partial_inplace */ |
| 2314 | 0x0000ffff, /* src_mask */ |
| 2315 | 0x0000ffff, /* dst_mask */ |
| 2316 | FALSE), /* pcrel_offset */ |
| 2317 | |
| 2318 | /* 64 bit subtraction. Used in the N32 ABI. */ |
| 2319 | HOWTO (R_MICROMIPS_SUB, /* type */ |
| 2320 | 0, /* rightshift */ |
| 2321 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2322 | 64, /* bitsize */ |
| 2323 | FALSE, /* pc_relative */ |
| 2324 | 0, /* bitpos */ |
| 2325 | complain_overflow_dont, /* complain_on_overflow */ |
| 2326 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2327 | "R_MICROMIPS_SUB", /* name */ |
| 2328 | TRUE, /* partial_inplace */ |
| 2329 | MINUS_ONE, /* src_mask */ |
| 2330 | MINUS_ONE, /* dst_mask */ |
| 2331 | FALSE), /* pcrel_offset */ |
| 2332 | |
| 2333 | /* We don't support these for REL relocations, because it means building |
| 2334 | the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/ |
| 2335 | R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering, |
| 2336 | using fallable heuristics. */ |
| 2337 | EMPTY_HOWTO (R_MICROMIPS_HIGHER), |
| 2338 | EMPTY_HOWTO (R_MICROMIPS_HIGHEST), |
| 2339 | |
| 2340 | /* High 16 bits of displacement in global offset table. */ |
| 2341 | HOWTO (R_MICROMIPS_CALL_HI16, /* type */ |
| 2342 | 0, /* rightshift */ |
| 2343 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2344 | 16, /* bitsize */ |
| 2345 | FALSE, /* pc_relative */ |
| 2346 | 0, /* bitpos */ |
| 2347 | complain_overflow_dont, /* complain_on_overflow */ |
| 2348 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2349 | "R_MICROMIPS_CALL_HI16",/* name */ |
| 2350 | TRUE, /* partial_inplace */ |
| 2351 | 0x0000ffff, /* src_mask */ |
| 2352 | 0x0000ffff, /* dst_mask */ |
| 2353 | FALSE), /* pcrel_offset */ |
| 2354 | |
| 2355 | /* Low 16 bits of displacement in global offset table. */ |
| 2356 | HOWTO (R_MICROMIPS_CALL_LO16, /* type */ |
| 2357 | 0, /* rightshift */ |
| 2358 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2359 | 16, /* bitsize */ |
| 2360 | FALSE, /* pc_relative */ |
| 2361 | 0, /* bitpos */ |
| 2362 | complain_overflow_dont, /* complain_on_overflow */ |
| 2363 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2364 | "R_MICROMIPS_CALL_LO16",/* name */ |
| 2365 | TRUE, /* partial_inplace */ |
| 2366 | 0x0000ffff, /* src_mask */ |
| 2367 | 0x0000ffff, /* dst_mask */ |
| 2368 | FALSE), /* pcrel_offset */ |
| 2369 | |
| 2370 | /* Section displacement. */ |
| 2371 | HOWTO (R_MICROMIPS_SCN_DISP, /* type */ |
| 2372 | 0, /* rightshift */ |
| 2373 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2374 | 32, /* bitsize */ |
| 2375 | FALSE, /* pc_relative */ |
| 2376 | 0, /* bitpos */ |
| 2377 | complain_overflow_dont, /* complain_on_overflow */ |
| 2378 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2379 | "R_MICROMIPS_SCN_DISP", /* name */ |
| 2380 | TRUE, /* partial_inplace */ |
| 2381 | 0xffffffff, /* src_mask */ |
| 2382 | 0xffffffff, /* dst_mask */ |
| 2383 | FALSE), /* pcrel_offset */ |
| 2384 | |
| 2385 | /* Protected jump conversion. This is an optimization hint. No |
| 2386 | relocation is required for correctness. */ |
| 2387 | HOWTO (R_MICROMIPS_JALR, /* type */ |
| 2388 | 0, /* rightshift */ |
| 2389 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2390 | 32, /* bitsize */ |
| 2391 | FALSE, /* pc_relative */ |
| 2392 | 0, /* bitpos */ |
| 2393 | complain_overflow_dont, /* complain_on_overflow */ |
| 2394 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2395 | "R_MICROMIPS_JALR", /* name */ |
| 2396 | FALSE, /* partial_inplace */ |
| 2397 | 0, /* src_mask */ |
| 2398 | 0x00000000, /* dst_mask */ |
| 2399 | FALSE), /* pcrel_offset */ |
| 2400 | }; |
| 2401 | |
| 2402 | static reloc_howto_type elf_micromips_howto_table_rela[] = |
| 2403 | { |
| 2404 | EMPTY_HOWTO (130), |
| 2405 | EMPTY_HOWTO (131), |
| 2406 | EMPTY_HOWTO (132), |
| 2407 | |
| 2408 | /* 26 bit jump address. */ |
| 2409 | HOWTO (R_MICROMIPS_26_S1, /* type */ |
| 2410 | 1, /* rightshift */ |
| 2411 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2412 | 26, /* bitsize */ |
| 2413 | FALSE, /* pc_relative */ |
| 2414 | 0, /* bitpos */ |
| 2415 | complain_overflow_dont, /* complain_on_overflow */ |
| 2416 | /* This needs complex overflow |
| 2417 | detection, because the upper four |
| 2418 | bits must match the PC. */ |
| 2419 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2420 | "R_MICROMIPS_26_S1", /* name */ |
| 2421 | FALSE, /* partial_inplace */ |
| 2422 | 0, /* src_mask */ |
| 2423 | 0x3ffffff, /* dst_mask */ |
| 2424 | FALSE), /* pcrel_offset */ |
| 2425 | |
| 2426 | /* High 16 bits of symbol value. */ |
| 2427 | HOWTO (R_MICROMIPS_HI16, /* type */ |
| 2428 | 16, /* rightshift */ |
| 2429 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2430 | 16, /* bitsize */ |
| 2431 | FALSE, /* pc_relative */ |
| 2432 | 0, /* bitpos */ |
| 2433 | complain_overflow_dont, /* complain_on_overflow */ |
| 2434 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
| 2435 | "R_MICROMIPS_HI16", /* name */ |
| 2436 | FALSE, /* partial_inplace */ |
| 2437 | 0, /* src_mask */ |
| 2438 | 0x0000ffff, /* dst_mask */ |
| 2439 | FALSE), /* pcrel_offset */ |
| 2440 | |
| 2441 | /* Low 16 bits of symbol value. */ |
| 2442 | HOWTO (R_MICROMIPS_LO16, /* type */ |
| 2443 | 0, /* rightshift */ |
| 2444 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2445 | 16, /* bitsize */ |
| 2446 | FALSE, /* pc_relative */ |
| 2447 | 0, /* bitpos */ |
| 2448 | complain_overflow_dont, /* complain_on_overflow */ |
| 2449 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
| 2450 | "R_MICROMIPS_LO16", /* name */ |
| 2451 | FALSE, /* partial_inplace */ |
| 2452 | 0, /* src_mask */ |
| 2453 | 0x0000ffff, /* dst_mask */ |
| 2454 | FALSE), /* pcrel_offset */ |
| 2455 | |
| 2456 | /* GP relative reference. */ |
| 2457 | HOWTO (R_MICROMIPS_GPREL16, /* type */ |
| 2458 | 0, /* rightshift */ |
| 2459 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2460 | 16, /* bitsize */ |
| 2461 | FALSE, /* pc_relative */ |
| 2462 | 0, /* bitpos */ |
| 2463 | complain_overflow_signed, /* complain_on_overflow */ |
| 2464 | _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| 2465 | "R_MICROMIPS_GPREL16", /* name */ |
| 2466 | FALSE, /* partial_inplace */ |
| 2467 | 0, /* src_mask */ |
| 2468 | 0x0000ffff, /* dst_mask */ |
| 2469 | FALSE), /* pcrel_offset */ |
| 2470 | |
| 2471 | /* Reference to literal section. */ |
| 2472 | HOWTO (R_MICROMIPS_LITERAL, /* type */ |
| 2473 | 0, /* rightshift */ |
| 2474 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2475 | 16, /* bitsize */ |
| 2476 | FALSE, /* pc_relative */ |
| 2477 | 0, /* bitpos */ |
| 2478 | complain_overflow_signed, /* complain_on_overflow */ |
| 2479 | _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| 2480 | "R_MICROMIPS_LITERAL", /* name */ |
| 2481 | FALSE, /* partial_inplace */ |
| 2482 | 0, /* src_mask */ |
| 2483 | 0x0000ffff, /* dst_mask */ |
| 2484 | FALSE), /* pcrel_offset */ |
| 2485 | |
| 2486 | /* Reference to global offset table. */ |
| 2487 | HOWTO (R_MICROMIPS_GOT16, /* type */ |
| 2488 | 0, /* rightshift */ |
| 2489 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2490 | 16, /* bitsize */ |
| 2491 | FALSE, /* pc_relative */ |
| 2492 | 0, /* bitpos */ |
| 2493 | complain_overflow_signed, /* complain_on_overflow */ |
| 2494 | _bfd_mips_elf_got16_reloc, /* special_function */ |
| 2495 | "R_MICROMIPS_GOT16", /* name */ |
| 2496 | FALSE, /* partial_inplace */ |
| 2497 | 0, /* src_mask */ |
| 2498 | 0x0000ffff, /* dst_mask */ |
| 2499 | FALSE), /* pcrel_offset */ |
| 2500 | |
| 2501 | /* This is for microMIPS branches. */ |
| 2502 | HOWTO (R_MICROMIPS_PC7_S1, /* type */ |
| 2503 | 1, /* rightshift */ |
| 2504 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2505 | 7, /* bitsize */ |
| 2506 | TRUE, /* pc_relative */ |
| 2507 | 0, /* bitpos */ |
| 2508 | complain_overflow_signed, /* complain_on_overflow */ |
| 2509 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2510 | "R_MICROMIPS_PC7_S1", /* name */ |
| 2511 | FALSE, /* partial_inplace */ |
| 2512 | 0, /* src_mask */ |
| 2513 | 0x0000007f, /* dst_mask */ |
| 2514 | TRUE), /* pcrel_offset */ |
| 2515 | |
| 2516 | HOWTO (R_MICROMIPS_PC10_S1, /* type */ |
| 2517 | 1, /* rightshift */ |
| 2518 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2519 | 10, /* bitsize */ |
| 2520 | TRUE, /* pc_relative */ |
| 2521 | 0, /* bitpos */ |
| 2522 | complain_overflow_signed, /* complain_on_overflow */ |
| 2523 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2524 | "R_MICROMIPS_PC10_S1", /* name */ |
| 2525 | FALSE, /* partial_inplace */ |
| 2526 | 0, /* src_mask */ |
| 2527 | 0x000003ff, /* dst_mask */ |
| 2528 | TRUE), /* pcrel_offset */ |
| 2529 | |
| 2530 | HOWTO (R_MICROMIPS_PC16_S1, /* type */ |
| 2531 | 1, /* rightshift */ |
| 2532 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2533 | 16, /* bitsize */ |
| 2534 | TRUE, /* pc_relative */ |
| 2535 | 0, /* bitpos */ |
| 2536 | complain_overflow_signed, /* complain_on_overflow */ |
| 2537 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2538 | "R_MICROMIPS_PC16_S1", /* name */ |
| 2539 | FALSE, /* partial_inplace */ |
| 2540 | 0, /* src_mask */ |
| 2541 | 0x0000ffff, /* dst_mask */ |
| 2542 | TRUE), /* pcrel_offset */ |
| 2543 | |
| 2544 | /* 16 bit call through global offset table. */ |
| 2545 | HOWTO (R_MICROMIPS_CALL16, /* type */ |
| 2546 | 0, /* rightshift */ |
| 2547 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2548 | 16, /* bitsize */ |
| 2549 | FALSE, /* pc_relative */ |
| 2550 | 0, /* bitpos */ |
| 2551 | complain_overflow_signed, /* complain_on_overflow */ |
| 2552 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2553 | "R_MICROMIPS_CALL16", /* name */ |
| 2554 | FALSE, /* partial_inplace */ |
| 2555 | 0, /* src_mask */ |
| 2556 | 0x0000ffff, /* dst_mask */ |
| 2557 | FALSE), /* pcrel_offset */ |
| 2558 | |
| 2559 | EMPTY_HOWTO (143), |
| 2560 | EMPTY_HOWTO (144), |
| 2561 | |
| 2562 | /* Displacement in the global offset table. */ |
| 2563 | HOWTO (R_MICROMIPS_GOT_DISP, /* type */ |
| 2564 | 0, /* rightshift */ |
| 2565 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2566 | 16, /* bitsize */ |
| 2567 | FALSE, /* pc_relative */ |
| 2568 | 0, /* bitpos */ |
| 2569 | complain_overflow_signed, /* complain_on_overflow */ |
| 2570 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2571 | "R_MICROMIPS_GOT_DISP",/* name */ |
| 2572 | FALSE, /* partial_inplace */ |
| 2573 | 0, /* src_mask */ |
| 2574 | 0x0000ffff, /* dst_mask */ |
| 2575 | FALSE), /* pcrel_offset */ |
| 2576 | |
| 2577 | /* Displacement to page pointer in the global offset table. */ |
| 2578 | HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ |
| 2579 | 0, /* rightshift */ |
| 2580 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2581 | 16, /* bitsize */ |
| 2582 | FALSE, /* pc_relative */ |
| 2583 | 0, /* bitpos */ |
| 2584 | complain_overflow_signed, /* complain_on_overflow */ |
| 2585 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2586 | "R_MICROMIPS_GOT_PAGE",/* name */ |
| 2587 | FALSE, /* partial_inplace */ |
| 2588 | 0, /* src_mask */ |
| 2589 | 0x0000ffff, /* dst_mask */ |
| 2590 | FALSE), /* pcrel_offset */ |
| 2591 | |
| 2592 | /* Offset from page pointer in the global offset table. */ |
| 2593 | HOWTO (R_MICROMIPS_GOT_OFST, /* type */ |
| 2594 | 0, /* rightshift */ |
| 2595 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2596 | 16, /* bitsize */ |
| 2597 | FALSE, /* pc_relative */ |
| 2598 | 0, /* bitpos */ |
| 2599 | complain_overflow_signed, /* complain_on_overflow */ |
| 2600 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2601 | "R_MICROMIPS_GOT_OFST",/* name */ |
| 2602 | FALSE, /* partial_inplace */ |
| 2603 | 0, /* src_mask */ |
| 2604 | 0x0000ffff, /* dst_mask */ |
| 2605 | FALSE), /* pcrel_offset */ |
| 2606 | |
| 2607 | /* High 16 bits of displacement in global offset table. */ |
| 2608 | HOWTO (R_MICROMIPS_GOT_HI16, /* type */ |
| 2609 | 0, /* rightshift */ |
| 2610 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2611 | 16, /* bitsize */ |
| 2612 | FALSE, /* pc_relative */ |
| 2613 | 0, /* bitpos */ |
| 2614 | complain_overflow_dont, /* complain_on_overflow */ |
| 2615 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2616 | "R_MICROMIPS_GOT_HI16",/* name */ |
| 2617 | FALSE, /* partial_inplace */ |
| 2618 | 0, /* src_mask */ |
| 2619 | 0x0000ffff, /* dst_mask */ |
| 2620 | FALSE), /* pcrel_offset */ |
| 2621 | |
| 2622 | /* Low 16 bits of displacement in global offset table. */ |
| 2623 | HOWTO (R_MICROMIPS_GOT_LO16, /* type */ |
| 2624 | 0, /* rightshift */ |
| 2625 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2626 | 16, /* bitsize */ |
| 2627 | FALSE, /* pc_relative */ |
| 2628 | 0, /* bitpos */ |
| 2629 | complain_overflow_dont, /* complain_on_overflow */ |
| 2630 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2631 | "R_MICROMIPS_GOT_LO16",/* name */ |
| 2632 | FALSE, /* partial_inplace */ |
| 2633 | 0, /* src_mask */ |
| 2634 | 0x0000ffff, /* dst_mask */ |
| 2635 | FALSE), /* pcrel_offset */ |
| 2636 | |
| 2637 | /* 64 bit subtraction. Used in the N32 ABI. */ |
| 2638 | HOWTO (R_MICROMIPS_SUB, /* type */ |
| 2639 | 0, /* rightshift */ |
| 2640 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2641 | 64, /* bitsize */ |
| 2642 | FALSE, /* pc_relative */ |
| 2643 | 0, /* bitpos */ |
| 2644 | complain_overflow_dont, /* complain_on_overflow */ |
| 2645 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2646 | "R_MICROMIPS_SUB", /* name */ |
| 2647 | FALSE, /* partial_inplace */ |
| 2648 | 0, /* src_mask */ |
| 2649 | MINUS_ONE, /* dst_mask */ |
| 2650 | FALSE), /* pcrel_offset */ |
| 2651 | |
| 2652 | /* Get the higher value of a 64 bit addend. */ |
| 2653 | HOWTO (R_MICROMIPS_HIGHER, /* type */ |
| 2654 | 0, /* rightshift */ |
| 2655 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2656 | 16, /* bitsize */ |
| 2657 | FALSE, /* pc_relative */ |
| 2658 | 0, /* bitpos */ |
| 2659 | complain_overflow_dont, /* complain_on_overflow */ |
| 2660 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2661 | "R_MICROMIPS_HIGHER", /* name */ |
| 2662 | FALSE, /* partial_inplace */ |
| 2663 | 0, /* src_mask */ |
| 2664 | 0x0000ffff, /* dst_mask */ |
| 2665 | FALSE), /* pcrel_offset */ |
| 2666 | |
| 2667 | /* Get the highest value of a 64 bit addend. */ |
| 2668 | HOWTO (R_MICROMIPS_HIGHEST, /* type */ |
| 2669 | 0, /* rightshift */ |
| 2670 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2671 | 16, /* bitsize */ |
| 2672 | FALSE, /* pc_relative */ |
| 2673 | 0, /* bitpos */ |
| 2674 | complain_overflow_dont, /* complain_on_overflow */ |
| 2675 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2676 | "R_MICROMIPS_HIGHEST", /* name */ |
| 2677 | FALSE, /* partial_inplace */ |
| 2678 | 0, /* src_mask */ |
| 2679 | 0x0000ffff, /* dst_mask */ |
| 2680 | FALSE), /* pcrel_offset */ |
| 2681 | |
| 2682 | /* High 16 bits of displacement in global offset table. */ |
| 2683 | HOWTO (R_MICROMIPS_CALL_HI16, /* type */ |
| 2684 | 0, /* rightshift */ |
| 2685 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2686 | 16, /* bitsize */ |
| 2687 | FALSE, /* pc_relative */ |
| 2688 | 0, /* bitpos */ |
| 2689 | complain_overflow_dont, /* complain_on_overflow */ |
| 2690 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2691 | "R_MICROMIPS_CALL_HI16",/* name */ |
| 2692 | FALSE, /* partial_inplace */ |
| 2693 | 0, /* src_mask */ |
| 2694 | 0x0000ffff, /* dst_mask */ |
| 2695 | FALSE), /* pcrel_offset */ |
| 2696 | |
| 2697 | /* Low 16 bits of displacement in global offset table. */ |
| 2698 | HOWTO (R_MICROMIPS_CALL_LO16, /* type */ |
| 2699 | 0, /* rightshift */ |
| 2700 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2701 | 16, /* bitsize */ |
| 2702 | FALSE, /* pc_relative */ |
| 2703 | 0, /* bitpos */ |
| 2704 | complain_overflow_dont, /* complain_on_overflow */ |
| 2705 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2706 | "R_MICROMIPS_CALL_LO16",/* name */ |
| 2707 | FALSE, /* partial_inplace */ |
| 2708 | 0, /* src_mask */ |
| 2709 | 0x0000ffff, /* dst_mask */ |
| 2710 | FALSE), /* pcrel_offset */ |
| 2711 | |
| 2712 | /* Section displacement. */ |
| 2713 | HOWTO (R_MICROMIPS_SCN_DISP, /* type */ |
| 2714 | 0, /* rightshift */ |
| 2715 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2716 | 32, /* bitsize */ |
| 2717 | FALSE, /* pc_relative */ |
| 2718 | 0, /* bitpos */ |
| 2719 | complain_overflow_dont, /* complain_on_overflow */ |
| 2720 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2721 | "R_MICROMIPS_SCN_DISP", /* name */ |
| 2722 | FALSE, /* partial_inplace */ |
| 2723 | 0, /* src_mask */ |
| 2724 | 0xffffffff, /* dst_mask */ |
| 2725 | FALSE), /* pcrel_offset */ |
| 2726 | |
| 2727 | /* Protected jump conversion. This is an optimization hint. No |
| 2728 | relocation is required for correctness. */ |
| 2729 | HOWTO (R_MICROMIPS_JALR, /* type */ |
| 2730 | 0, /* rightshift */ |
| 2731 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2732 | 32, /* bitsize */ |
| 2733 | FALSE, /* pc_relative */ |
| 2734 | 0, /* bitpos */ |
| 2735 | complain_overflow_dont, /* complain_on_overflow */ |
| 2736 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2737 | "R_MICROMIPS_JALR", /* name */ |
| 2738 | FALSE, /* partial_inplace */ |
| 2739 | 0, /* src_mask */ |
| 2740 | 0x00000000, /* dst_mask */ |
| 2741 | FALSE), /* pcrel_offset */ |
| 2742 | }; |
| 2743 | |
| 2744 | /* GNU extension to record C++ vtable hierarchy */ |
| 2745 | static reloc_howto_type elf_mips_gnu_vtinherit_howto = |
| 2746 | HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ |
| 2747 | 0, /* rightshift */ |
| 2748 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2749 | 0, /* bitsize */ |
| 2750 | FALSE, /* pc_relative */ |
| 2751 | 0, /* bitpos */ |
| 2752 | complain_overflow_dont, /* complain_on_overflow */ |
| 2753 | NULL, /* special_function */ |
| 2754 | "R_MIPS_GNU_VTINHERIT", /* name */ |
| 2755 | FALSE, /* partial_inplace */ |
| 2756 | 0, /* src_mask */ |
| 2757 | 0, /* dst_mask */ |
| 2758 | FALSE); /* pcrel_offset */ |
| 2759 | |
| 2760 | /* GNU extension to record C++ vtable member usage */ |
| 2761 | static reloc_howto_type elf_mips_gnu_vtentry_howto = |
| 2762 | HOWTO (R_MIPS_GNU_VTENTRY, /* type */ |
| 2763 | 0, /* rightshift */ |
| 2764 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2765 | 0, /* bitsize */ |
| 2766 | FALSE, /* pc_relative */ |
| 2767 | 0, /* bitpos */ |
| 2768 | complain_overflow_dont, /* complain_on_overflow */ |
| 2769 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| 2770 | "R_MIPS_GNU_VTENTRY", /* name */ |
| 2771 | FALSE, /* partial_inplace */ |
| 2772 | 0, /* src_mask */ |
| 2773 | 0, /* dst_mask */ |
| 2774 | FALSE); /* pcrel_offset */ |
| 2775 | \f |
| 2776 | /* 16 bit offset for pc-relative branches. */ |
| 2777 | static reloc_howto_type elf_mips_gnu_rel16_s2 = |
| 2778 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ |
| 2779 | 2, /* rightshift */ |
| 2780 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2781 | 16, /* bitsize */ |
| 2782 | TRUE, /* pc_relative */ |
| 2783 | 0, /* bitpos */ |
| 2784 | complain_overflow_signed, /* complain_on_overflow */ |
| 2785 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2786 | "R_MIPS_GNU_REL16_S2", /* name */ |
| 2787 | TRUE, /* partial_inplace */ |
| 2788 | 0x0000ffff, /* src_mask */ |
| 2789 | 0x0000ffff, /* dst_mask */ |
| 2790 | TRUE); /* pcrel_offset */ |
| 2791 | |
| 2792 | /* 16 bit offset for pc-relative branches. */ |
| 2793 | static reloc_howto_type elf_mips_gnu_rela16_s2 = |
| 2794 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ |
| 2795 | 2, /* rightshift */ |
| 2796 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2797 | 16, /* bitsize */ |
| 2798 | TRUE, /* pc_relative */ |
| 2799 | 0, /* bitpos */ |
| 2800 | complain_overflow_signed, /* complain_on_overflow */ |
| 2801 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2802 | "R_MIPS_GNU_REL16_S2", /* name */ |
| 2803 | FALSE, /* partial_inplace */ |
| 2804 | 0, /* src_mask */ |
| 2805 | 0x0000ffff, /* dst_mask */ |
| 2806 | TRUE); /* pcrel_offset */ |
| 2807 | |
| 2808 | /* 32 bit pc-relative. Used for compact EH tables. */ |
| 2809 | static reloc_howto_type elf_mips_gnu_pcrel32 = |
| 2810 | HOWTO (R_MIPS_PC32, /* type */ |
| 2811 | 0, /* rightshift */ |
| 2812 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2813 | 32, /* bitsize */ |
| 2814 | TRUE, /* pc_relative */ |
| 2815 | 0, /* bitpos */ |
| 2816 | complain_overflow_signed, /* complain_on_overflow */ |
| 2817 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2818 | "R_MIPS_PC32", /* name */ |
| 2819 | TRUE, /* partial_inplace */ |
| 2820 | 0xffffffff, /* src_mask */ |
| 2821 | 0xffffffff, /* dst_mask */ |
| 2822 | TRUE); /* pcrel_offset */ |
| 2823 | |
| 2824 | \f |
| 2825 | /* Originally a VxWorks extension, but now used for other systems too. */ |
| 2826 | static reloc_howto_type elf_mips_copy_howto = |
| 2827 | HOWTO (R_MIPS_COPY, /* type */ |
| 2828 | 0, /* rightshift */ |
| 2829 | 0, /* this one is variable size */ |
| 2830 | 0, /* bitsize */ |
| 2831 | FALSE, /* pc_relative */ |
| 2832 | 0, /* bitpos */ |
| 2833 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 2834 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2835 | "R_MIPS_COPY", /* name */ |
| 2836 | FALSE, /* partial_inplace */ |
| 2837 | 0x0, /* src_mask */ |
| 2838 | 0x0, /* dst_mask */ |
| 2839 | FALSE); /* pcrel_offset */ |
| 2840 | |
| 2841 | /* Originally a VxWorks extension, but now used for other systems too. */ |
| 2842 | static reloc_howto_type elf_mips_jump_slot_howto = |
| 2843 | HOWTO (R_MIPS_JUMP_SLOT, /* type */ |
| 2844 | 0, /* rightshift */ |
| 2845 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2846 | 32, /* bitsize */ |
| 2847 | FALSE, /* pc_relative */ |
| 2848 | 0, /* bitpos */ |
| 2849 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 2850 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2851 | "R_MIPS_JUMP_SLOT", /* name */ |
| 2852 | FALSE, /* partial_inplace */ |
| 2853 | 0x0, /* src_mask */ |
| 2854 | 0x0, /* dst_mask */ |
| 2855 | FALSE); /* pcrel_offset */ |
| 2856 | |
| 2857 | /* Used in EH tables. */ |
| 2858 | static reloc_howto_type elf_mips_eh_howto = |
| 2859 | HOWTO (R_MIPS_EH, /* type */ |
| 2860 | 0, /* rightshift */ |
| 2861 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2862 | 32, /* bitsize */ |
| 2863 | FALSE, /* pc_relative */ |
| 2864 | 0, /* bitpos */ |
| 2865 | complain_overflow_signed, /* complain_on_overflow */ |
| 2866 | _bfd_mips_elf_generic_reloc, /* special_function */ |
| 2867 | "R_MIPS_EH", /* name */ |
| 2868 | TRUE, /* partial_inplace */ |
| 2869 | 0xffffffff, /* src_mask */ |
| 2870 | 0xffffffff, /* dst_mask */ |
| 2871 | FALSE); /* pcrel_offset */ |
| 2872 | |
| 2873 | \f |
| 2874 | /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a |
| 2875 | dangerous relocation. */ |
| 2876 | |
| 2877 | static bfd_boolean |
| 2878 | mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) |
| 2879 | { |
| 2880 | unsigned int count; |
| 2881 | asymbol **sym; |
| 2882 | unsigned int i; |
| 2883 | |
| 2884 | /* If we've already figured out what GP will be, just return it. */ |
| 2885 | *pgp = _bfd_get_gp_value (output_bfd); |
| 2886 | if (*pgp) |
| 2887 | return TRUE; |
| 2888 | |
| 2889 | count = bfd_get_symcount (output_bfd); |
| 2890 | sym = bfd_get_outsymbols (output_bfd); |
| 2891 | |
| 2892 | /* The linker script will have created a symbol named `_gp' with the |
| 2893 | appropriate value. */ |
| 2894 | if (sym == NULL) |
| 2895 | i = count; |
| 2896 | else |
| 2897 | { |
| 2898 | for (i = 0; i < count; i++, sym++) |
| 2899 | { |
| 2900 | register const char *name; |
| 2901 | |
| 2902 | name = bfd_asymbol_name (*sym); |
| 2903 | if (*name == '_' && strcmp (name, "_gp") == 0) |
| 2904 | { |
| 2905 | *pgp = bfd_asymbol_value (*sym); |
| 2906 | _bfd_set_gp_value (output_bfd, *pgp); |
| 2907 | break; |
| 2908 | } |
| 2909 | } |
| 2910 | } |
| 2911 | |
| 2912 | if (i >= count) |
| 2913 | { |
| 2914 | /* Only get the error once. */ |
| 2915 | *pgp = 4; |
| 2916 | _bfd_set_gp_value (output_bfd, *pgp); |
| 2917 | return FALSE; |
| 2918 | } |
| 2919 | |
| 2920 | return TRUE; |
| 2921 | } |
| 2922 | |
| 2923 | /* We have to figure out the gp value, so that we can adjust the |
| 2924 | symbol value correctly. We look up the symbol _gp in the output |
| 2925 | BFD. If we can't find it, we're stuck. We cache it in the ELF |
| 2926 | target data. We don't need to adjust the symbol value for an |
| 2927 | external symbol if we are producing relocatable output. */ |
| 2928 | |
| 2929 | static bfd_reloc_status_type |
| 2930 | mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, |
| 2931 | char **error_message, bfd_vma *pgp) |
| 2932 | { |
| 2933 | if (bfd_is_und_section (symbol->section) |
| 2934 | && ! relocatable) |
| 2935 | { |
| 2936 | *pgp = 0; |
| 2937 | return bfd_reloc_undefined; |
| 2938 | } |
| 2939 | |
| 2940 | *pgp = _bfd_get_gp_value (output_bfd); |
| 2941 | if (*pgp == 0 |
| 2942 | && (! relocatable |
| 2943 | || (symbol->flags & BSF_SECTION_SYM) != 0)) |
| 2944 | { |
| 2945 | if (relocatable) |
| 2946 | { |
| 2947 | /* Make up a value. */ |
| 2948 | *pgp = symbol->section->output_section->vma /*+ 0x4000*/; |
| 2949 | _bfd_set_gp_value (output_bfd, *pgp); |
| 2950 | } |
| 2951 | else if (!mips_elf_assign_gp (output_bfd, pgp)) |
| 2952 | { |
| 2953 | *error_message = |
| 2954 | (char *) _("GP relative relocation when _gp not defined"); |
| 2955 | return bfd_reloc_dangerous; |
| 2956 | } |
| 2957 | } |
| 2958 | |
| 2959 | return bfd_reloc_ok; |
| 2960 | } |
| 2961 | |
| 2962 | /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must |
| 2963 | become the offset from the gp register. */ |
| 2964 | |
| 2965 | static bfd_reloc_status_type |
| 2966 | mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
| 2967 | asymbol *symbol, void *data ATTRIBUTE_UNUSED, |
| 2968 | asection *input_section, bfd *output_bfd, |
| 2969 | char **error_message ATTRIBUTE_UNUSED) |
| 2970 | { |
| 2971 | bfd_boolean relocatable; |
| 2972 | bfd_reloc_status_type ret; |
| 2973 | bfd_vma gp; |
| 2974 | |
| 2975 | if (output_bfd != NULL) |
| 2976 | relocatable = TRUE; |
| 2977 | else |
| 2978 | { |
| 2979 | relocatable = FALSE; |
| 2980 | output_bfd = symbol->section->output_section->owner; |
| 2981 | } |
| 2982 | |
| 2983 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
| 2984 | &gp); |
| 2985 | if (ret != bfd_reloc_ok) |
| 2986 | return ret; |
| 2987 | |
| 2988 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, |
| 2989 | input_section, relocatable, |
| 2990 | data, gp); |
| 2991 | } |
| 2992 | |
| 2993 | /* Do a R_MIPS_LITERAL relocation. */ |
| 2994 | |
| 2995 | static bfd_reloc_status_type |
| 2996 | mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| 2997 | void *data, asection *input_section, bfd *output_bfd, |
| 2998 | char **error_message) |
| 2999 | { |
| 3000 | bfd_boolean relocatable; |
| 3001 | bfd_reloc_status_type ret; |
| 3002 | bfd_vma gp; |
| 3003 | |
| 3004 | /* R_MIPS_LITERAL relocations are defined for local symbols only. */ |
| 3005 | if (output_bfd != NULL |
| 3006 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
| 3007 | && (symbol->flags & BSF_LOCAL) != 0) |
| 3008 | { |
| 3009 | *error_message = (char *) |
| 3010 | _("literal relocation occurs for an external symbol"); |
| 3011 | return bfd_reloc_outofrange; |
| 3012 | } |
| 3013 | |
| 3014 | /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ |
| 3015 | if (output_bfd != NULL) |
| 3016 | relocatable = TRUE; |
| 3017 | else |
| 3018 | { |
| 3019 | relocatable = FALSE; |
| 3020 | output_bfd = symbol->section->output_section->owner; |
| 3021 | } |
| 3022 | |
| 3023 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
| 3024 | &gp); |
| 3025 | if (ret != bfd_reloc_ok) |
| 3026 | return ret; |
| 3027 | |
| 3028 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, |
| 3029 | input_section, relocatable, |
| 3030 | data, gp); |
| 3031 | } |
| 3032 | |
| 3033 | /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must |
| 3034 | become the offset from the gp register. */ |
| 3035 | |
| 3036 | static bfd_reloc_status_type |
| 3037 | mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| 3038 | void *data, asection *input_section, bfd *output_bfd, |
| 3039 | char **error_message) |
| 3040 | { |
| 3041 | bfd_boolean relocatable; |
| 3042 | bfd_reloc_status_type ret; |
| 3043 | bfd_vma gp; |
| 3044 | |
| 3045 | /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ |
| 3046 | if (output_bfd != NULL |
| 3047 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
| 3048 | && (symbol->flags & BSF_LOCAL) != 0) |
| 3049 | { |
| 3050 | *error_message = (char *) |
| 3051 | _("32bits gp relative relocation occurs for an external symbol"); |
| 3052 | return bfd_reloc_outofrange; |
| 3053 | } |
| 3054 | |
| 3055 | if (output_bfd != NULL) |
| 3056 | { |
| 3057 | relocatable = TRUE; |
| 3058 | gp = _bfd_get_gp_value (output_bfd); |
| 3059 | } |
| 3060 | else |
| 3061 | { |
| 3062 | relocatable = FALSE; |
| 3063 | output_bfd = symbol->section->output_section->owner; |
| 3064 | |
| 3065 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, |
| 3066 | error_message, &gp); |
| 3067 | if (ret != bfd_reloc_ok) |
| 3068 | return ret; |
| 3069 | } |
| 3070 | |
| 3071 | return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, |
| 3072 | relocatable, data, gp); |
| 3073 | } |
| 3074 | |
| 3075 | static bfd_reloc_status_type |
| 3076 | gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, |
| 3077 | asection *input_section, bfd_boolean relocatable, |
| 3078 | void *data, bfd_vma gp) |
| 3079 | { |
| 3080 | bfd_vma relocation; |
| 3081 | unsigned long val; |
| 3082 | |
| 3083 | if (bfd_is_com_section (symbol->section)) |
| 3084 | relocation = 0; |
| 3085 | else |
| 3086 | relocation = symbol->value; |
| 3087 | |
| 3088 | relocation += symbol->section->output_section->vma; |
| 3089 | relocation += symbol->section->output_offset; |
| 3090 | |
| 3091 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
| 3092 | return bfd_reloc_outofrange; |
| 3093 | |
| 3094 | if (reloc_entry->howto->src_mask == 0) |
| 3095 | val = 0; |
| 3096 | else |
| 3097 | val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
| 3098 | |
| 3099 | /* Set val to the offset into the section or symbol. */ |
| 3100 | val += reloc_entry->addend; |
| 3101 | |
| 3102 | /* Adjust val for the final section location and GP value. If we |
| 3103 | are producing relocatable output, we don't want to do this for |
| 3104 | an external symbol. */ |
| 3105 | if (! relocatable |
| 3106 | || (symbol->flags & BSF_SECTION_SYM) != 0) |
| 3107 | val += relocation - gp; |
| 3108 | |
| 3109 | bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); |
| 3110 | |
| 3111 | if (relocatable) |
| 3112 | reloc_entry->address += input_section->output_offset; |
| 3113 | |
| 3114 | return bfd_reloc_ok; |
| 3115 | } |
| 3116 | |
| 3117 | /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, |
| 3118 | the rest is at bits 6-10. The bitpos already got right by the howto. */ |
| 3119 | |
| 3120 | static bfd_reloc_status_type |
| 3121 | mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| 3122 | void *data, asection *input_section, bfd *output_bfd, |
| 3123 | char **error_message) |
| 3124 | { |
| 3125 | if (reloc_entry->howto->partial_inplace) |
| 3126 | { |
| 3127 | reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) |
| 3128 | | (reloc_entry->addend & 0x00000800) >> 9); |
| 3129 | } |
| 3130 | |
| 3131 | return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, |
| 3132 | input_section, output_bfd, |
| 3133 | error_message); |
| 3134 | } |
| 3135 | \f |
| 3136 | /* Handle a mips16 GP relative reloc. */ |
| 3137 | |
| 3138 | static bfd_reloc_status_type |
| 3139 | mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| 3140 | void *data, asection *input_section, bfd *output_bfd, |
| 3141 | char **error_message) |
| 3142 | { |
| 3143 | bfd_boolean relocatable; |
| 3144 | bfd_reloc_status_type ret; |
| 3145 | bfd_byte *location; |
| 3146 | bfd_vma gp; |
| 3147 | |
| 3148 | /* If we're relocating, and this is an external symbol, we don't want |
| 3149 | to change anything. */ |
| 3150 | if (output_bfd != NULL |
| 3151 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
| 3152 | && (symbol->flags & BSF_LOCAL) != 0) |
| 3153 | { |
| 3154 | reloc_entry->address += input_section->output_offset; |
| 3155 | return bfd_reloc_ok; |
| 3156 | } |
| 3157 | |
| 3158 | if (output_bfd != NULL) |
| 3159 | relocatable = TRUE; |
| 3160 | else |
| 3161 | { |
| 3162 | relocatable = FALSE; |
| 3163 | output_bfd = symbol->section->output_section->owner; |
| 3164 | } |
| 3165 | |
| 3166 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
| 3167 | &gp); |
| 3168 | if (ret != bfd_reloc_ok) |
| 3169 | return ret; |
| 3170 | |
| 3171 | location = (bfd_byte *) data + reloc_entry->address; |
| 3172 | _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, |
| 3173 | location); |
| 3174 | ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, |
| 3175 | input_section, relocatable, |
| 3176 | data, gp); |
| 3177 | _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, |
| 3178 | location); |
| 3179 | |
| 3180 | return ret; |
| 3181 | } |
| 3182 | \f |
| 3183 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ |
| 3184 | |
| 3185 | struct elf_reloc_map { |
| 3186 | bfd_reloc_code_real_type bfd_val; |
| 3187 | enum elf_mips_reloc_type elf_val; |
| 3188 | }; |
| 3189 | |
| 3190 | static const struct elf_reloc_map mips_reloc_map[] = |
| 3191 | { |
| 3192 | { BFD_RELOC_NONE, R_MIPS_NONE }, |
| 3193 | { BFD_RELOC_16, R_MIPS_16 }, |
| 3194 | { BFD_RELOC_32, R_MIPS_32 }, |
| 3195 | /* There is no BFD reloc for R_MIPS_REL32. */ |
| 3196 | { BFD_RELOC_CTOR, R_MIPS_32 }, |
| 3197 | { BFD_RELOC_64, R_MIPS_64 }, |
| 3198 | { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, |
| 3199 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, |
| 3200 | { BFD_RELOC_LO16, R_MIPS_LO16 }, |
| 3201 | { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, |
| 3202 | { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, |
| 3203 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, |
| 3204 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, |
| 3205 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, |
| 3206 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, |
| 3207 | { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, |
| 3208 | { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, |
| 3209 | { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, |
| 3210 | { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, |
| 3211 | { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, |
| 3212 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, |
| 3213 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, |
| 3214 | { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, |
| 3215 | { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, |
| 3216 | { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, |
| 3217 | { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, |
| 3218 | { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, |
| 3219 | { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, |
| 3220 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, |
| 3221 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, |
| 3222 | { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, |
| 3223 | { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, |
| 3224 | /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ |
| 3225 | { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, |
| 3226 | { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, |
| 3227 | { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, |
| 3228 | { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, |
| 3229 | { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, |
| 3230 | { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, |
| 3231 | { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, |
| 3232 | { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, |
| 3233 | { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, |
| 3234 | { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, |
| 3235 | { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, |
| 3236 | { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, |
| 3237 | { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, |
| 3238 | { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, |
| 3239 | { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, |
| 3240 | { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, |
| 3241 | { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, |
| 3242 | { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, |
| 3243 | { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, |
| 3244 | { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, |
| 3245 | { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } |
| 3246 | }; |
| 3247 | |
| 3248 | static const struct elf_reloc_map mips16_reloc_map[] = |
| 3249 | { |
| 3250 | { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, |
| 3251 | { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, |
| 3252 | { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, |
| 3253 | { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, |
| 3254 | { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, |
| 3255 | { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, |
| 3256 | { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, |
| 3257 | { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, |
| 3258 | { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, |
| 3259 | R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, |
| 3260 | { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, |
| 3261 | R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, |
| 3262 | { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, |
| 3263 | { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, |
| 3264 | { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, |
| 3265 | { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } |
| 3266 | }; |
| 3267 | |
| 3268 | static const struct elf_reloc_map micromips_reloc_map[] = |
| 3269 | { |
| 3270 | { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, |
| 3271 | { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, |
| 3272 | { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, |
| 3273 | { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, |
| 3274 | { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, |
| 3275 | { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, |
| 3276 | { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, |
| 3277 | { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, |
| 3278 | { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, |
| 3279 | { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, |
| 3280 | { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, |
| 3281 | { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, |
| 3282 | { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, |
| 3283 | { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, |
| 3284 | { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, |
| 3285 | { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, |
| 3286 | { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, |
| 3287 | { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, |
| 3288 | { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, |
| 3289 | { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, |
| 3290 | { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, |
| 3291 | { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, |
| 3292 | }; |
| 3293 | |
| 3294 | /* Given a BFD reloc type, return a howto structure. */ |
| 3295 | |
| 3296 | static reloc_howto_type * |
| 3297 | bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 3298 | bfd_reloc_code_real_type code) |
| 3299 | { |
| 3300 | unsigned int i; |
| 3301 | /* FIXME: We default to RELA here instead of choosing the right |
| 3302 | relocation variant. */ |
| 3303 | reloc_howto_type *howto_table = elf_mips_howto_table_rela; |
| 3304 | reloc_howto_type *howto16_table = elf_mips16_howto_table_rela; |
| 3305 | reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rela; |
| 3306 | |
| 3307 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); |
| 3308 | i++) |
| 3309 | { |
| 3310 | if (mips_reloc_map[i].bfd_val == code) |
| 3311 | return &howto_table[(int) mips_reloc_map[i].elf_val]; |
| 3312 | } |
| 3313 | |
| 3314 | for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); |
| 3315 | i++) |
| 3316 | { |
| 3317 | if (mips16_reloc_map[i].bfd_val == code) |
| 3318 | return &howto16_table[(int) mips16_reloc_map[i].elf_val]; |
| 3319 | } |
| 3320 | |
| 3321 | for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); |
| 3322 | i++) |
| 3323 | { |
| 3324 | if (micromips_reloc_map[i].bfd_val == code) |
| 3325 | return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; |
| 3326 | } |
| 3327 | |
| 3328 | switch (code) |
| 3329 | { |
| 3330 | case BFD_RELOC_VTABLE_INHERIT: |
| 3331 | return &elf_mips_gnu_vtinherit_howto; |
| 3332 | case BFD_RELOC_VTABLE_ENTRY: |
| 3333 | return &elf_mips_gnu_vtentry_howto; |
| 3334 | case BFD_RELOC_32_PCREL: |
| 3335 | return &elf_mips_gnu_pcrel32; |
| 3336 | case BFD_RELOC_MIPS_EH: |
| 3337 | return &elf_mips_eh_howto; |
| 3338 | case BFD_RELOC_MIPS_COPY: |
| 3339 | return &elf_mips_copy_howto; |
| 3340 | case BFD_RELOC_MIPS_JUMP_SLOT: |
| 3341 | return &elf_mips_jump_slot_howto; |
| 3342 | default: |
| 3343 | bfd_set_error (bfd_error_bad_value); |
| 3344 | return NULL; |
| 3345 | } |
| 3346 | } |
| 3347 | |
| 3348 | static reloc_howto_type * |
| 3349 | bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 3350 | const char *r_name) |
| 3351 | { |
| 3352 | unsigned int i; |
| 3353 | |
| 3354 | for (i = 0; |
| 3355 | i < (sizeof (elf_mips_howto_table_rela) |
| 3356 | / sizeof (elf_mips_howto_table_rela[0])); |
| 3357 | i++) |
| 3358 | if (elf_mips_howto_table_rela[i].name != NULL |
| 3359 | && strcasecmp (elf_mips_howto_table_rela[i].name, r_name) == 0) |
| 3360 | return &elf_mips_howto_table_rela[i]; |
| 3361 | |
| 3362 | for (i = 0; |
| 3363 | i < (sizeof (elf_mips16_howto_table_rela) |
| 3364 | / sizeof (elf_mips16_howto_table_rela[0])); |
| 3365 | i++) |
| 3366 | if (elf_mips16_howto_table_rela[i].name != NULL |
| 3367 | && strcasecmp (elf_mips16_howto_table_rela[i].name, r_name) == 0) |
| 3368 | return &elf_mips16_howto_table_rela[i]; |
| 3369 | |
| 3370 | for (i = 0; |
| 3371 | i < (sizeof (elf_micromips_howto_table_rela) |
| 3372 | / sizeof (elf_micromips_howto_table_rela[0])); |
| 3373 | i++) |
| 3374 | if (elf_micromips_howto_table_rela[i].name != NULL |
| 3375 | && strcasecmp (elf_micromips_howto_table_rela[i].name, r_name) == 0) |
| 3376 | return &elf_micromips_howto_table_rela[i]; |
| 3377 | |
| 3378 | if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) |
| 3379 | return &elf_mips_gnu_vtinherit_howto; |
| 3380 | if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) |
| 3381 | return &elf_mips_gnu_vtentry_howto; |
| 3382 | if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) |
| 3383 | return &elf_mips_gnu_rel16_s2; |
| 3384 | if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0) |
| 3385 | return &elf_mips_gnu_rela16_s2; |
| 3386 | if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) |
| 3387 | return &elf_mips_gnu_pcrel32; |
| 3388 | if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) |
| 3389 | return &elf_mips_eh_howto; |
| 3390 | if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) |
| 3391 | return &elf_mips_copy_howto; |
| 3392 | if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) |
| 3393 | return &elf_mips_jump_slot_howto; |
| 3394 | |
| 3395 | return NULL; |
| 3396 | } |
| 3397 | |
| 3398 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
| 3399 | |
| 3400 | static reloc_howto_type * |
| 3401 | mips_elf_n32_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) |
| 3402 | { |
| 3403 | switch (r_type) |
| 3404 | { |
| 3405 | case R_MIPS_GNU_VTINHERIT: |
| 3406 | return &elf_mips_gnu_vtinherit_howto; |
| 3407 | case R_MIPS_GNU_VTENTRY: |
| 3408 | return &elf_mips_gnu_vtentry_howto; |
| 3409 | case R_MIPS_GNU_REL16_S2: |
| 3410 | if (rela_p) |
| 3411 | return &elf_mips_gnu_rela16_s2; |
| 3412 | else |
| 3413 | return &elf_mips_gnu_rel16_s2; |
| 3414 | case R_MIPS_PC32: |
| 3415 | return &elf_mips_gnu_pcrel32; |
| 3416 | case R_MIPS_EH: |
| 3417 | return &elf_mips_eh_howto; |
| 3418 | case R_MIPS_COPY: |
| 3419 | return &elf_mips_copy_howto; |
| 3420 | case R_MIPS_JUMP_SLOT: |
| 3421 | return &elf_mips_jump_slot_howto; |
| 3422 | default: |
| 3423 | if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) |
| 3424 | { |
| 3425 | if (rela_p) |
| 3426 | return &elf_micromips_howto_table_rela[r_type - R_MICROMIPS_min]; |
| 3427 | else |
| 3428 | return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; |
| 3429 | } |
| 3430 | if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) |
| 3431 | { |
| 3432 | if (rela_p) |
| 3433 | return &elf_mips16_howto_table_rela[r_type - R_MIPS16_min]; |
| 3434 | else |
| 3435 | return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; |
| 3436 | } |
| 3437 | if (r_type >= R_MIPS_max) |
| 3438 | { |
| 3439 | _bfd_error_handler (_("unrecognised MIPS reloc number: %d"), r_type); |
| 3440 | bfd_set_error (bfd_error_bad_value); |
| 3441 | r_type = R_MIPS_NONE; |
| 3442 | } |
| 3443 | if (rela_p) |
| 3444 | return &elf_mips_howto_table_rela[r_type]; |
| 3445 | else |
| 3446 | return &elf_mips_howto_table_rel[r_type]; |
| 3447 | break; |
| 3448 | } |
| 3449 | } |
| 3450 | |
| 3451 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
| 3452 | |
| 3453 | static void |
| 3454 | mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
| 3455 | { |
| 3456 | unsigned int r_type; |
| 3457 | |
| 3458 | r_type = ELF32_R_TYPE (dst->r_info); |
| 3459 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE); |
| 3460 | |
| 3461 | /* The addend for a GPREL16 or LITERAL relocation comes from the GP |
| 3462 | value for the object file. We get the addend now, rather than |
| 3463 | when we do the relocation, because the symbol manipulations done |
| 3464 | by the linker may cause us to lose track of the input BFD. */ |
| 3465 | if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 |
| 3466 | && (gprel16_reloc_p (r_type) || r_type == (unsigned int) R_MIPS_LITERAL)) |
| 3467 | cache_ptr->addend = elf_gp (abfd); |
| 3468 | } |
| 3469 | |
| 3470 | /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ |
| 3471 | |
| 3472 | static void |
| 3473 | mips_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, |
| 3474 | arelent *cache_ptr, Elf_Internal_Rela *dst) |
| 3475 | { |
| 3476 | unsigned int r_type; |
| 3477 | |
| 3478 | r_type = ELF32_R_TYPE (dst->r_info); |
| 3479 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE); |
| 3480 | cache_ptr->addend = dst->r_addend; |
| 3481 | } |
| 3482 | \f |
| 3483 | /* Determine whether a symbol is global for the purposes of splitting |
| 3484 | the symbol table into global symbols and local symbols. At least |
| 3485 | on Irix 5, this split must be between section symbols and all other |
| 3486 | symbols. On most ELF targets the split is between static symbols |
| 3487 | and externally visible symbols. */ |
| 3488 | |
| 3489 | static bfd_boolean |
| 3490 | mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) |
| 3491 | { |
| 3492 | if (SGI_COMPAT (abfd)) |
| 3493 | return (sym->flags & BSF_SECTION_SYM) == 0; |
| 3494 | else |
| 3495 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 |
| 3496 | || bfd_is_und_section (bfd_get_section (sym)) |
| 3497 | || bfd_is_com_section (bfd_get_section (sym))); |
| 3498 | } |
| 3499 | \f |
| 3500 | /* Set the right machine number for a MIPS ELF file. */ |
| 3501 | |
| 3502 | static bfd_boolean |
| 3503 | mips_elf_n32_object_p (bfd *abfd) |
| 3504 | { |
| 3505 | unsigned long mach; |
| 3506 | |
| 3507 | if (!ABI_N32_P (abfd)) |
| 3508 | return FALSE; |
| 3509 | |
| 3510 | /* Irix 5 and 6 are broken. Object file symbol tables are not always |
| 3511 | sorted correctly such that local symbols precede global symbols, |
| 3512 | and the sh_info field in the symbol table is not always right. */ |
| 3513 | if (SGI_COMPAT (abfd)) |
| 3514 | elf_bad_symtab (abfd) = TRUE; |
| 3515 | |
| 3516 | mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); |
| 3517 | bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); |
| 3518 | return TRUE; |
| 3519 | } |
| 3520 | \f |
| 3521 | /* Support for core dump NOTE sections. */ |
| 3522 | static bfd_boolean |
| 3523 | elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
| 3524 | { |
| 3525 | int offset; |
| 3526 | unsigned int size; |
| 3527 | |
| 3528 | switch (note->descsz) |
| 3529 | { |
| 3530 | default: |
| 3531 | return FALSE; |
| 3532 | |
| 3533 | case 440: /* Linux/MIPS N32 */ |
| 3534 | /* pr_cursig */ |
| 3535 | elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); |
| 3536 | |
| 3537 | /* pr_pid */ |
| 3538 | elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); |
| 3539 | |
| 3540 | /* pr_reg */ |
| 3541 | offset = 72; |
| 3542 | size = 360; |
| 3543 | |
| 3544 | break; |
| 3545 | } |
| 3546 | |
| 3547 | /* Make a ".reg/999" section. */ |
| 3548 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", size, |
| 3549 | note->descpos + offset); |
| 3550 | } |
| 3551 | |
| 3552 | static bfd_boolean |
| 3553 | elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
| 3554 | { |
| 3555 | switch (note->descsz) |
| 3556 | { |
| 3557 | default: |
| 3558 | return FALSE; |
| 3559 | |
| 3560 | case 128: /* Linux/MIPS elf_prpsinfo */ |
| 3561 | elf_tdata (abfd)->core->program |
| 3562 | = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); |
| 3563 | elf_tdata (abfd)->core->command |
| 3564 | = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); |
| 3565 | } |
| 3566 | |
| 3567 | /* Note that for some reason, a spurious space is tacked |
| 3568 | onto the end of the args in some (at least one anyway) |
| 3569 | implementations, so strip it off if it exists. */ |
| 3570 | |
| 3571 | { |
| 3572 | char *command = elf_tdata (abfd)->core->command; |
| 3573 | int n = strlen (command); |
| 3574 | |
| 3575 | if (0 < n && command[n - 1] == ' ') |
| 3576 | command[n - 1] = '\0'; |
| 3577 | } |
| 3578 | |
| 3579 | return TRUE; |
| 3580 | } |
| 3581 | \f |
| 3582 | /* Depending on the target vector we generate some version of Irix |
| 3583 | executables or "normal" MIPS ELF ABI executables. */ |
| 3584 | static irix_compat_t |
| 3585 | elf_n32_mips_irix_compat (bfd *abfd) |
| 3586 | { |
| 3587 | if ((abfd->xvec == &mips_elf32_n_be_vec) |
| 3588 | || (abfd->xvec == &mips_elf32_n_le_vec)) |
| 3589 | return ict_irix6; |
| 3590 | else |
| 3591 | return ict_none; |
| 3592 | } |
| 3593 | \f |
| 3594 | /* ECOFF swapping routines. These are used when dealing with the |
| 3595 | .mdebug section, which is in the ECOFF debugging format. */ |
| 3596 | static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { |
| 3597 | /* Symbol table magic number. */ |
| 3598 | magicSym, |
| 3599 | /* Alignment of debugging information. E.g., 4. */ |
| 3600 | 4, |
| 3601 | /* Sizes of external symbolic information. */ |
| 3602 | sizeof (struct hdr_ext), |
| 3603 | sizeof (struct dnr_ext), |
| 3604 | sizeof (struct pdr_ext), |
| 3605 | sizeof (struct sym_ext), |
| 3606 | sizeof (struct opt_ext), |
| 3607 | sizeof (struct fdr_ext), |
| 3608 | sizeof (struct rfd_ext), |
| 3609 | sizeof (struct ext_ext), |
| 3610 | /* Functions to swap in external symbolic data. */ |
| 3611 | ecoff_swap_hdr_in, |
| 3612 | ecoff_swap_dnr_in, |
| 3613 | ecoff_swap_pdr_in, |
| 3614 | ecoff_swap_sym_in, |
| 3615 | ecoff_swap_opt_in, |
| 3616 | ecoff_swap_fdr_in, |
| 3617 | ecoff_swap_rfd_in, |
| 3618 | ecoff_swap_ext_in, |
| 3619 | _bfd_ecoff_swap_tir_in, |
| 3620 | _bfd_ecoff_swap_rndx_in, |
| 3621 | /* Functions to swap out external symbolic data. */ |
| 3622 | ecoff_swap_hdr_out, |
| 3623 | ecoff_swap_dnr_out, |
| 3624 | ecoff_swap_pdr_out, |
| 3625 | ecoff_swap_sym_out, |
| 3626 | ecoff_swap_opt_out, |
| 3627 | ecoff_swap_fdr_out, |
| 3628 | ecoff_swap_rfd_out, |
| 3629 | ecoff_swap_ext_out, |
| 3630 | _bfd_ecoff_swap_tir_out, |
| 3631 | _bfd_ecoff_swap_rndx_out, |
| 3632 | /* Function to read in symbolic data. */ |
| 3633 | _bfd_mips_elf_read_ecoff_info |
| 3634 | }; |
| 3635 | \f |
| 3636 | #define ELF_ARCH bfd_arch_mips |
| 3637 | #define ELF_TARGET_ID MIPS_ELF_DATA |
| 3638 | #define ELF_MACHINE_CODE EM_MIPS |
| 3639 | |
| 3640 | #define elf_backend_collect TRUE |
| 3641 | #define elf_backend_type_change_ok TRUE |
| 3642 | #define elf_backend_can_gc_sections TRUE |
| 3643 | #define elf_backend_gc_mark_extra_sections \ |
| 3644 | _bfd_mips_elf_gc_mark_extra_sections |
| 3645 | #define elf_info_to_howto mips_info_to_howto_rela |
| 3646 | #define elf_info_to_howto_rel mips_info_to_howto_rel |
| 3647 | #define elf_backend_sym_is_global mips_elf_sym_is_global |
| 3648 | #define elf_backend_object_p mips_elf_n32_object_p |
| 3649 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing |
| 3650 | #define elf_backend_section_processing _bfd_mips_elf_section_processing |
| 3651 | #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr |
| 3652 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections |
| 3653 | #define elf_backend_section_from_bfd_section \ |
| 3654 | _bfd_mips_elf_section_from_bfd_section |
| 3655 | #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook |
| 3656 | #define elf_backend_link_output_symbol_hook \ |
| 3657 | _bfd_mips_elf_link_output_symbol_hook |
| 3658 | #define elf_backend_create_dynamic_sections \ |
| 3659 | _bfd_mips_elf_create_dynamic_sections |
| 3660 | #define elf_backend_check_relocs _bfd_mips_elf_check_relocs |
| 3661 | #define elf_backend_merge_symbol_attribute \ |
| 3662 | _bfd_mips_elf_merge_symbol_attribute |
| 3663 | #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag |
| 3664 | #define elf_backend_adjust_dynamic_symbol \ |
| 3665 | _bfd_mips_elf_adjust_dynamic_symbol |
| 3666 | #define elf_backend_always_size_sections \ |
| 3667 | _bfd_mips_elf_always_size_sections |
| 3668 | #define elf_backend_size_dynamic_sections \ |
| 3669 | _bfd_mips_elf_size_dynamic_sections |
| 3670 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
| 3671 | #define elf_backend_relocate_section _bfd_mips_elf_relocate_section |
| 3672 | #define elf_backend_finish_dynamic_symbol \ |
| 3673 | _bfd_mips_elf_finish_dynamic_symbol |
| 3674 | #define elf_backend_finish_dynamic_sections \ |
| 3675 | _bfd_mips_elf_finish_dynamic_sections |
| 3676 | #define elf_backend_final_write_processing \ |
| 3677 | _bfd_mips_elf_final_write_processing |
| 3678 | #define elf_backend_additional_program_headers \ |
| 3679 | _bfd_mips_elf_additional_program_headers |
| 3680 | #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map |
| 3681 | #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook |
| 3682 | #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook |
| 3683 | #define elf_backend_copy_indirect_symbol \ |
| 3684 | _bfd_mips_elf_copy_indirect_symbol |
| 3685 | #define elf_backend_grok_prstatus elf32_mips_grok_prstatus |
| 3686 | #define elf_backend_grok_psinfo elf32_mips_grok_psinfo |
| 3687 | #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap |
| 3688 | |
| 3689 | #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) |
| 3690 | |
| 3691 | /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations |
| 3692 | work better/work only in RELA, so we default to this. */ |
| 3693 | #define elf_backend_may_use_rel_p 1 |
| 3694 | #define elf_backend_may_use_rela_p 1 |
| 3695 | #define elf_backend_default_use_rela_p 1 |
| 3696 | #define elf_backend_rela_plts_and_copies_p 0 |
| 3697 | #define elf_backend_sign_extend_vma TRUE |
| 3698 | #define elf_backend_plt_readonly 1 |
| 3699 | #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val |
| 3700 | |
| 3701 | #define elf_backend_discard_info _bfd_mips_elf_discard_info |
| 3702 | #define elf_backend_ignore_discarded_relocs \ |
| 3703 | _bfd_mips_elf_ignore_discarded_relocs |
| 3704 | #define elf_backend_write_section _bfd_mips_elf_write_section |
| 3705 | #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat |
| 3706 | #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto |
| 3707 | #define bfd_elf32_bfd_is_target_special_symbol \ |
| 3708 | _bfd_mips_elf_is_target_special_symbol |
| 3709 | #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line |
| 3710 | #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info |
| 3711 | #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook |
| 3712 | #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents |
| 3713 | #define bfd_elf32_bfd_get_relocated_section_contents \ |
| 3714 | _bfd_elf_mips_get_relocated_section_contents |
| 3715 | #define bfd_elf32_bfd_link_hash_table_create \ |
| 3716 | _bfd_mips_elf_link_hash_table_create |
| 3717 | #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link |
| 3718 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
| 3719 | _bfd_mips_elf_merge_private_bfd_data |
| 3720 | #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags |
| 3721 | #define bfd_elf32_bfd_print_private_bfd_data \ |
| 3722 | _bfd_mips_elf_print_private_bfd_data |
| 3723 | #define bfd_elf32_bfd_relax_section _bfd_mips_relax_section |
| 3724 | #define bfd_elf32_mkobject _bfd_mips_elf_mkobject |
| 3725 | |
| 3726 | /* Support for SGI-ish mips targets using n32 ABI. */ |
| 3727 | |
| 3728 | #define TARGET_LITTLE_SYM mips_elf32_n_le_vec |
| 3729 | #define TARGET_LITTLE_NAME "elf32-nlittlemips" |
| 3730 | #define TARGET_BIG_SYM mips_elf32_n_be_vec |
| 3731 | #define TARGET_BIG_NAME "elf32-nbigmips" |
| 3732 | |
| 3733 | #define ELF_MAXPAGESIZE 0x10000 |
| 3734 | #define ELF_COMMONPAGESIZE 0x1000 |
| 3735 | |
| 3736 | #include "elf32-target.h" |
| 3737 | |
| 3738 | /* Support for traditional mips targets using n32 ABI. */ |
| 3739 | #undef TARGET_LITTLE_SYM |
| 3740 | #undef TARGET_LITTLE_NAME |
| 3741 | #undef TARGET_BIG_SYM |
| 3742 | #undef TARGET_BIG_NAME |
| 3743 | |
| 3744 | #undef ELF_MAXPAGESIZE |
| 3745 | #undef ELF_COMMONPAGESIZE |
| 3746 | |
| 3747 | #define TARGET_LITTLE_SYM mips_elf32_ntrad_le_vec |
| 3748 | #define TARGET_LITTLE_NAME "elf32-ntradlittlemips" |
| 3749 | #define TARGET_BIG_SYM mips_elf32_ntrad_be_vec |
| 3750 | #define TARGET_BIG_NAME "elf32-ntradbigmips" |
| 3751 | |
| 3752 | #define ELF_MAXPAGESIZE 0x10000 |
| 3753 | #define ELF_COMMONPAGESIZE 0x1000 |
| 3754 | #define elf32_bed elf32_tradbed |
| 3755 | |
| 3756 | /* Include the target file again for this target. */ |
| 3757 | #include "elf32-target.h" |
| 3758 | |
| 3759 | |
| 3760 | /* FreeBSD support. */ |
| 3761 | |
| 3762 | #undef TARGET_LITTLE_SYM |
| 3763 | #undef TARGET_LITTLE_NAME |
| 3764 | #undef TARGET_BIG_SYM |
| 3765 | #undef TARGET_BIG_NAME |
| 3766 | |
| 3767 | #define TARGET_LITTLE_SYM mips_elf32_ntradfbsd_le_vec |
| 3768 | #define TARGET_LITTLE_NAME "elf32-ntradlittlemips-freebsd" |
| 3769 | #define TARGET_BIG_SYM mips_elf32_ntradfbsd_be_vec |
| 3770 | #define TARGET_BIG_NAME "elf32-ntradbigmips-freebsd" |
| 3771 | |
| 3772 | #undef ELF_OSABI |
| 3773 | #define ELF_OSABI ELFOSABI_FREEBSD |
| 3774 | |
| 3775 | #undef elf32_bed |
| 3776 | #define elf32_bed elf32_fbsd_tradbed |
| 3777 | |
| 3778 | #include "elf32-target.h" |