1/* SuperH SH64-specific support for 64-bit ELF 2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006 3 Free Software Foundation, Inc. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21#define SH64_ELF64 22 23#include "bfd.h" 24#include "sysdep.h" 25#include "bfdlink.h" 26#include "libbfd.h" 27#include "elf-bfd.h" 28#include "elf/sh.h" 29 30/* Add a suffix for datalabel indirection symbols. It must not match any 31 other symbols; user symbols with or without version or other 32 decoration. It must only be used internally and not emitted by any 33 means. */ 34#define DATALABEL_SUFFIX " DL" 35 36#define GOT_BIAS (-((long)-32768)) 37 38#define PLT_ENTRY_SIZE 64 39 40/* Return size of a PLT entry. */ 41#define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE 42 43/* Return offset of the PLT0 address in an absolute PLT entry. */ 44#define elf_sh64_plt_plt0_offset(info) 32 45 46/* Return offset of the linker in PLT0 entry. */ 47#define elf_sh64_plt0_gotplt_offset(info) 0 48 49/* Return offset of the trampoline in PLT entry */ 50#define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */ 51 52/* Return offset of the symbol in PLT entry. */ 53#define elf_sh64_plt_symbol_offset(info) 0 54 55/* Return offset of the relocation in PLT entry. */ 56#define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44) 57 58#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" 59 60/* The sh linker needs to keep track of the number of relocs that it 61 decides to copy in check_relocs for each symbol. This is so that 62 it can discard PC relative relocs if it doesn't need them when 63 linking with -Bsymbolic. We store the information in a field 64 extending the regular ELF linker hash table. */ 65 66/* This structure keeps track of the number of PC relative relocs we 67 have copied for a given symbol. */ 68 69struct elf_sh64_pcrel_relocs_copied 70{ 71 /* Next section. */ 72 struct elf_sh64_pcrel_relocs_copied *next; 73 /* A section in dynobj. */ 74 asection *section; 75 /* Number of relocs copied in this section. */ 76 bfd_size_type count; 77}; 78 79/* sh ELF linker hash entry. */ 80 81struct elf_sh64_link_hash_entry 82{ 83 struct elf_link_hash_entry root; 84 85 bfd_vma datalabel_got_offset; 86 87 /* Number of PC relative relocs copied for this symbol. */ 88 struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied; 89}; 90 91/* sh ELF linker hash table. */ 92 93struct elf_sh64_link_hash_table 94{ 95 struct elf_link_hash_table root; 96}; 97 98/* Traverse an sh ELF linker hash table. */ 99 100#define sh64_elf64_link_hash_traverse(table, func, info) \ 101 (elf_link_hash_traverse \ 102 (&(table)->root, \ 103 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ 104 (info))) 105 106/* Get the sh ELF linker hash table from a link_info structure. */ 107 108#define sh64_elf64_hash_table(p) \ 109 ((struct elf_sh64_link_hash_table *) ((p)->hash)) 110 111static bfd_reloc_status_type sh_elf64_ignore_reloc 112 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 113static bfd_reloc_status_type sh_elf64_reloc 114 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); 115 116static reloc_howto_type sh_elf64_howto_table[] = { 117 /* No relocation. */ 118 HOWTO (R_SH_NONE, /* type */ 119 0, /* rightshift */ 120 0, /* size (0 = byte, 1 = short, 2 = long) */ 121 0, /* bitsize */ 122 FALSE, /* pc_relative */ 123 0, /* bitpos */ 124 complain_overflow_dont, /* complain_on_overflow */ 125 sh_elf64_ignore_reloc, /* special_function */ 126 "R_SH_NONE", /* name */ 127 FALSE, /* partial_inplace */ 128 0, /* src_mask */ 129 0, /* dst_mask */ 130 FALSE), /* pcrel_offset */ 131 132 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and 133 src_mask to a non-zero value is similar to the COFF toolchain. */ 134 HOWTO (R_SH_DIR32, /* type */ 135 0, /* rightshift */ 136 2, /* size (0 = byte, 1 = short, 2 = long) */ 137 32, /* bitsize */ 138 FALSE, /* pc_relative */ 139 0, /* bitpos */ 140 complain_overflow_bitfield, /* complain_on_overflow */ 141 sh_elf64_reloc, /* special_function */ 142 "R_SH_DIR32", /* name */ 143 TRUE, /* partial_inplace */ 144 0xffffffff, /* src_mask */ 145 0xffffffff, /* dst_mask */ 146 FALSE), /* pcrel_offset */ 147 148 /* 32 bit PC relative relocation. */ 149 HOWTO (R_SH_REL32, /* type */ 150 0, /* rightshift */ 151 2, /* size (0 = byte, 1 = short, 2 = long) */ 152 32, /* bitsize */ 153 TRUE, /* pc_relative */ 154 0, /* bitpos */ 155 complain_overflow_signed, /* complain_on_overflow */ 156 sh_elf64_ignore_reloc, /* special_function */ 157 "R_SH_REL32", /* name */ 158 FALSE, /* partial_inplace */ 159 0, /* src_mask */ 160 0xffffffff, /* dst_mask */ 161 TRUE), /* pcrel_offset */ 162 163 /* For 32-bit sh, this is R_SH_DIR8WPN. */ 164 EMPTY_HOWTO (3), 165 166 /* For 32-bit sh, this is R_SH_IND12W. */ 167 EMPTY_HOWTO (4), 168 169 /* For 32-bit sh, this is R_SH_DIR8WPL. */ 170 EMPTY_HOWTO (5), 171 172 /* For 32-bit sh, this is R_SH_DIR8WPZ. */ 173 EMPTY_HOWTO (6), 174 175 /* For 32-bit sh, this is R_SH_DIR8BP. */ 176 EMPTY_HOWTO (7), 177 178 /* For 32-bit sh, this is R_SH_DIR8W. */ 179 EMPTY_HOWTO (8), 180 181 /* For 32-bit sh, this is R_SH_DIR8L. */ 182 EMPTY_HOWTO (9), 183 184 EMPTY_HOWTO (10), 185 EMPTY_HOWTO (11), 186 EMPTY_HOWTO (12), 187 EMPTY_HOWTO (13), 188 EMPTY_HOWTO (14), 189 EMPTY_HOWTO (15), 190 EMPTY_HOWTO (16), 191 EMPTY_HOWTO (17), 192 EMPTY_HOWTO (18), 193 EMPTY_HOWTO (19), 194 EMPTY_HOWTO (20), 195 EMPTY_HOWTO (21), 196 EMPTY_HOWTO (22), 197 EMPTY_HOWTO (23), 198 EMPTY_HOWTO (24), 199 200 /* The remaining relocs are a GNU extension used for relaxing. The 201 final pass of the linker never needs to do anything with any of 202 these relocs. Any required operations are handled by the 203 relaxation code. */ 204 205 /* A 16 bit switch table entry. This is generated for an expression 206 such as ``.word L1 - L2''. The offset holds the difference 207 between the reloc address and L2. */ 208 HOWTO (R_SH_SWITCH16, /* type */ 209 0, /* rightshift */ 210 1, /* size (0 = byte, 1 = short, 2 = long) */ 211 16, /* bitsize */ 212 FALSE, /* pc_relative */ 213 0, /* bitpos */ 214 complain_overflow_unsigned, /* complain_on_overflow */ 215 sh_elf64_ignore_reloc, /* special_function */ 216 "R_SH_SWITCH16", /* name */ 217 FALSE, /* partial_inplace */ 218 0, /* src_mask */ 219 0, /* dst_mask */ 220 TRUE), /* pcrel_offset */ 221 222 /* A 32 bit switch table entry. This is generated for an expression 223 such as ``.long L1 - L2''. The offset holds the difference 224 between the reloc address and L2. */ 225 HOWTO (R_SH_SWITCH32, /* type */ 226 0, /* rightshift */ 227 2, /* size (0 = byte, 1 = short, 2 = long) */ 228 32, /* bitsize */ 229 FALSE, /* pc_relative */ 230 0, /* bitpos */ 231 complain_overflow_unsigned, /* complain_on_overflow */ 232 sh_elf64_ignore_reloc, /* special_function */ 233 "R_SH_SWITCH32", /* name */ 234 FALSE, /* partial_inplace */ 235 0, /* src_mask */ 236 0, /* dst_mask */ 237 TRUE), /* pcrel_offset */ 238 239 /* For 32-bit sh, this is R_SH_USES. */ 240 EMPTY_HOWTO (27), 241 242 /* For 32-bit sh, this is R_SH_COUNT. */ 243 EMPTY_HOWTO (28), 244 245 /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation, 246 this might be emitted. When linker relaxation is implemented, we 247 might want to use it. */ 248 EMPTY_HOWTO (29), 249 250 /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation, 251 this might be emitted. When linker relaxation is implemented, we 252 might want to use it. */ 253 EMPTY_HOWTO (30), 254 255 /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation, 256 this might be emitted. When linker relaxation is implemented, we 257 might want to use it. */ 258 EMPTY_HOWTO (31), 259 260 /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation, 261 this might be emitted. When linker relaxation is implemented, we 262 might want to use it. */ 263 EMPTY_HOWTO (32), 264 265 /* An 8 bit switch table entry. This is generated for an expression 266 such as ``.word L1 - L2''. The offset holds the difference 267 between the reloc address and L2. */ 268 HOWTO (R_SH_SWITCH8, /* type */ 269 0, /* rightshift */ 270 0, /* size (0 = byte, 1 = short, 2 = long) */ 271 8, /* bitsize */ 272 FALSE, /* pc_relative */ 273 0, /* bitpos */ 274 complain_overflow_unsigned, /* complain_on_overflow */ 275 sh_elf64_ignore_reloc, /* special_function */ 276 "R_SH_SWITCH8", /* name */ 277 FALSE, /* partial_inplace */ 278 0, /* src_mask */ 279 0, /* dst_mask */ 280 TRUE), /* pcrel_offset */ 281 282 /* GNU extension to record C++ vtable hierarchy */ 283 HOWTO (R_SH_GNU_VTINHERIT, /* type */ 284 0, /* rightshift */ 285 2, /* size (0 = byte, 1 = short, 2 = long) */ 286 0, /* bitsize */ 287 FALSE, /* pc_relative */ 288 0, /* bitpos */ 289 complain_overflow_dont, /* complain_on_overflow */ 290 NULL, /* special_function */ 291 "R_SH_GNU_VTINHERIT", /* name */ 292 FALSE, /* partial_inplace */ 293 0, /* src_mask */ 294 0, /* dst_mask */ 295 FALSE), /* pcrel_offset */ 296 297 /* GNU extension to record C++ vtable member usage */ 298 HOWTO (R_SH_GNU_VTENTRY, /* type */ 299 0, /* rightshift */ 300 2, /* size (0 = byte, 1 = short, 2 = long) */ 301 0, /* bitsize */ 302 FALSE, /* pc_relative */ 303 0, /* bitpos */ 304 complain_overflow_dont, /* complain_on_overflow */ 305 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 306 "R_SH_GNU_VTENTRY", /* name */ 307 FALSE, /* partial_inplace */ 308 0, /* src_mask */ 309 0, /* dst_mask */ 310 FALSE), /* pcrel_offset */ 311 312 /* For 32-bit sh, this is R_SH_LOOP_START. */ 313 EMPTY_HOWTO (36), 314 315 /* For 32-bit sh, this is R_SH_LOOP_END. */ 316 EMPTY_HOWTO (37), 317 318 EMPTY_HOWTO (38), 319 EMPTY_HOWTO (39), 320 EMPTY_HOWTO (40), 321 EMPTY_HOWTO (41), 322 EMPTY_HOWTO (42), 323 EMPTY_HOWTO (43), 324 EMPTY_HOWTO (44), 325 326 /* Used in SHLLI.L and SHLRI.L. */ 327 HOWTO (R_SH_DIR5U, /* type */ 328 0, /* rightshift */ 329 2, /* size (0 = byte, 1 = short, 2 = long) */ 330 5, /* bitsize */ 331 FALSE, /* pc_relative */ 332 10, /* bitpos */ 333 complain_overflow_unsigned, /* complain_on_overflow */ 334 bfd_elf_generic_reloc, /* special_function */ 335 "R_SH_DIR5U", /* name */ 336 FALSE, /* partial_inplace */ 337 0, /* src_mask */ 338 0xfc00, /* dst_mask */ 339 FALSE), /* pcrel_offset */ 340 341 /* Used in SHARI, SHLLI et al. */ 342 HOWTO (R_SH_DIR6U, /* type */ 343 0, /* rightshift */ 344 2, /* size (0 = byte, 1 = short, 2 = long) */ 345 6, /* bitsize */ 346 FALSE, /* pc_relative */ 347 10, /* bitpos */ 348 complain_overflow_unsigned, /* complain_on_overflow */ 349 bfd_elf_generic_reloc, /* special_function */ 350 "R_SH_DIR6U", /* name */ 351 FALSE, /* partial_inplace */ 352 0, /* src_mask */ 353 0xfc00, /* dst_mask */ 354 FALSE), /* pcrel_offset */ 355 356 /* Used in BxxI, LDHI.L et al. */ 357 HOWTO (R_SH_DIR6S, /* type */ 358 0, /* rightshift */ 359 2, /* size (0 = byte, 1 = short, 2 = long) */ 360 6, /* bitsize */ 361 FALSE, /* pc_relative */ 362 10, /* bitpos */ 363 complain_overflow_signed, /* complain_on_overflow */ 364 bfd_elf_generic_reloc, /* special_function */ 365 "R_SH_DIR6S", /* name */ 366 FALSE, /* partial_inplace */ 367 0, /* src_mask */ 368 0xfc00, /* dst_mask */ 369 FALSE), /* pcrel_offset */ 370 371 /* Used in ADDI, ANDI et al. */ 372 HOWTO (R_SH_DIR10S, /* type */ 373 0, /* rightshift */ 374 2, /* size (0 = byte, 1 = short, 2 = long) */ 375 10, /* bitsize */ 376 FALSE, /* pc_relative */ 377 10, /* bitpos */ 378 complain_overflow_signed, /* complain_on_overflow */ 379 bfd_elf_generic_reloc, /* special_function */ 380 "R_SH_DIR10S", /* name */ 381 FALSE, /* partial_inplace */ 382 0, /* src_mask */ 383 0xffc00, /* dst_mask */ 384 FALSE), /* pcrel_offset */ 385 386 /* Used in LD.UW, ST.W et al. */ 387 HOWTO (R_SH_DIR10SW, /* type */ 388 1, /* rightshift */ 389 2, /* size (0 = byte, 1 = short, 2 = long) */ 390 11, /* bitsize */ 391 FALSE, /* pc_relative */ 392 10, /* bitpos */ 393 complain_overflow_signed, /* complain_on_overflow */ 394 bfd_elf_generic_reloc, /* special_function */ 395 "R_SH_DIR10SW", /* name */ 396 FALSE, /* partial_inplace */ 397 0, /* src_mask */ 398 0xffc00, /* dst_mask */ 399 FALSE), /* pcrel_offset */ 400 401 /* Used in LD.L, FLD.S et al. */ 402 HOWTO (R_SH_DIR10SL, /* type */ 403 2, /* rightshift */ 404 2, /* size (0 = byte, 1 = short, 2 = long) */ 405 12, /* bitsize */ 406 FALSE, /* pc_relative */ 407 10, /* bitpos */ 408 complain_overflow_signed, /* complain_on_overflow */ 409 bfd_elf_generic_reloc, /* special_function */ 410 "R_SH_DIR10SL", /* name */ 411 FALSE, /* partial_inplace */ 412 0, /* src_mask */ 413 0xffc00, /* dst_mask */ 414 FALSE), /* pcrel_offset */ 415 416 /* Used in FLD.D, FST.P et al. */ 417 HOWTO (R_SH_DIR10SQ, /* type */ 418 3, /* rightshift */ 419 2, /* size (0 = byte, 1 = short, 2 = long) */ 420 13, /* bitsize */ 421 FALSE, /* pc_relative */ 422 10, /* bitpos */ 423 complain_overflow_signed, /* complain_on_overflow */ 424 bfd_elf_generic_reloc, /* special_function */ 425 "R_SH_DIR10SQ", /* name */ 426 FALSE, /* partial_inplace */ 427 0, /* src_mask */ 428 0xffc00, /* dst_mask */ 429 FALSE), /* pcrel_offset */ 430 431 EMPTY_HOWTO (52), 432 EMPTY_HOWTO (53), 433 EMPTY_HOWTO (54), 434 EMPTY_HOWTO (55), 435 EMPTY_HOWTO (56), 436 EMPTY_HOWTO (57), 437 EMPTY_HOWTO (58), 438 EMPTY_HOWTO (59), 439 EMPTY_HOWTO (60), 440 EMPTY_HOWTO (61), 441 EMPTY_HOWTO (62), 442 EMPTY_HOWTO (63), 443 EMPTY_HOWTO (64), 444 EMPTY_HOWTO (65), 445 EMPTY_HOWTO (66), 446 EMPTY_HOWTO (67), 447 EMPTY_HOWTO (68), 448 EMPTY_HOWTO (69), 449 EMPTY_HOWTO (70), 450 EMPTY_HOWTO (71), 451 EMPTY_HOWTO (72), 452 EMPTY_HOWTO (73), 453 EMPTY_HOWTO (74), 454 EMPTY_HOWTO (75), 455 EMPTY_HOWTO (76), 456 EMPTY_HOWTO (77), 457 EMPTY_HOWTO (78), 458 EMPTY_HOWTO (79), 459 EMPTY_HOWTO (80), 460 EMPTY_HOWTO (81), 461 EMPTY_HOWTO (82), 462 EMPTY_HOWTO (83), 463 EMPTY_HOWTO (84), 464 EMPTY_HOWTO (85), 465 EMPTY_HOWTO (86), 466 EMPTY_HOWTO (87), 467 EMPTY_HOWTO (88), 468 EMPTY_HOWTO (89), 469 EMPTY_HOWTO (90), 470 EMPTY_HOWTO (91), 471 EMPTY_HOWTO (92), 472 EMPTY_HOWTO (93), 473 EMPTY_HOWTO (94), 474 EMPTY_HOWTO (95), 475 EMPTY_HOWTO (96), 476 EMPTY_HOWTO (97), 477 EMPTY_HOWTO (98), 478 EMPTY_HOWTO (99), 479 EMPTY_HOWTO (100), 480 EMPTY_HOWTO (101), 481 EMPTY_HOWTO (102), 482 EMPTY_HOWTO (103), 483 EMPTY_HOWTO (104), 484 EMPTY_HOWTO (105), 485 EMPTY_HOWTO (106), 486 EMPTY_HOWTO (107), 487 EMPTY_HOWTO (108), 488 EMPTY_HOWTO (109), 489 EMPTY_HOWTO (110), 490 EMPTY_HOWTO (111), 491 EMPTY_HOWTO (112), 492 EMPTY_HOWTO (113), 493 EMPTY_HOWTO (114), 494 EMPTY_HOWTO (115), 495 EMPTY_HOWTO (116), 496 EMPTY_HOWTO (117), 497 EMPTY_HOWTO (118), 498 EMPTY_HOWTO (119), 499 EMPTY_HOWTO (120), 500 EMPTY_HOWTO (121), 501 EMPTY_HOWTO (122), 502 EMPTY_HOWTO (123), 503 EMPTY_HOWTO (124), 504 EMPTY_HOWTO (125), 505 EMPTY_HOWTO (126), 506 EMPTY_HOWTO (127), 507 EMPTY_HOWTO (128), 508 EMPTY_HOWTO (129), 509 EMPTY_HOWTO (130), 510 EMPTY_HOWTO (131), 511 EMPTY_HOWTO (132), 512 EMPTY_HOWTO (133), 513 EMPTY_HOWTO (134), 514 EMPTY_HOWTO (135), 515 EMPTY_HOWTO (136), 516 EMPTY_HOWTO (137), 517 EMPTY_HOWTO (138), 518 EMPTY_HOWTO (139), 519 EMPTY_HOWTO (140), 520 EMPTY_HOWTO (141), 521 EMPTY_HOWTO (142), 522 EMPTY_HOWTO (143), 523 EMPTY_HOWTO (144), 524 EMPTY_HOWTO (145), 525 EMPTY_HOWTO (146), 526 EMPTY_HOWTO (147), 527 EMPTY_HOWTO (148), 528 EMPTY_HOWTO (149), 529 EMPTY_HOWTO (150), 530 EMPTY_HOWTO (151), 531 EMPTY_HOWTO (152), 532 EMPTY_HOWTO (153), 533 EMPTY_HOWTO (154), 534 EMPTY_HOWTO (155), 535 EMPTY_HOWTO (156), 536 EMPTY_HOWTO (157), 537 EMPTY_HOWTO (158), 538 EMPTY_HOWTO (159), 539 540 /* Relocs for dynamic linking for 32-bit SH would follow. We don't have 541 any dynamic linking support for 64-bit SH at present. */ 542 543 EMPTY_HOWTO (160), 544 EMPTY_HOWTO (161), 545 EMPTY_HOWTO (162), 546 EMPTY_HOWTO (163), 547 EMPTY_HOWTO (164), 548 EMPTY_HOWTO (165), 549 EMPTY_HOWTO (166), 550 EMPTY_HOWTO (167), 551 EMPTY_HOWTO (168), 552 553 /* Back to SH5 relocations. */ 554 /* Used in MOVI and SHORI (x & 65536). */ 555 HOWTO (R_SH_GOT_LOW16, /* type */ 556 0, /* rightshift */ 557 2, /* size (0 = byte, 1 = short, 2 = long) */ 558 64, /* bitsize */ 559 FALSE, /* pc_relative */ 560 10, /* bitpos */ 561 complain_overflow_dont, /* complain_on_overflow */ 562 bfd_elf_generic_reloc, /* special_function */ 563 "R_SH_GOT_LOW16", /* name */ 564 FALSE, /* partial_inplace */ 565 0, /* src_mask */ 566 0x3fffc00, /* dst_mask */ 567 FALSE), /* pcrel_offset */ 568 569 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 570 HOWTO (R_SH_GOT_MEDLOW16, /* type */ 571 16, /* rightshift */ 572 2, /* size (0 = byte, 1 = short, 2 = long) */ 573 64, /* bitsize */ 574 FALSE, /* pc_relative */ 575 10, /* bitpos */ 576 complain_overflow_dont, /* complain_on_overflow */ 577 bfd_elf_generic_reloc, /* special_function */ 578 "R_SH_GOT_MEDLOW16", /* name */ 579 FALSE, /* partial_inplace */ 580 0, /* src_mask */ 581 0x3fffc00, /* dst_mask */ 582 FALSE), /* pcrel_offset */ 583 584 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 585 HOWTO (R_SH_GOT_MEDHI16, /* type */ 586 32, /* rightshift */ 587 2, /* size (0 = byte, 1 = short, 2 = long) */ 588 64, /* bitsize */ 589 FALSE, /* pc_relative */ 590 10, /* bitpos */ 591 complain_overflow_dont, /* complain_on_overflow */ 592 bfd_elf_generic_reloc, /* special_function */ 593 "R_SH_GOT_MEDHI16", /* name */ 594 FALSE, /* partial_inplace */ 595 0, /* src_mask */ 596 0x3fffc00, /* dst_mask */ 597 FALSE), /* pcrel_offset */ 598 599 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 600 HOWTO (R_SH_GOT_HI16, /* type */ 601 48, /* rightshift */ 602 2, /* size (0 = byte, 1 = short, 2 = long) */ 603 64, /* bitsize */ 604 FALSE, /* pc_relative */ 605 10, /* bitpos */ 606 complain_overflow_dont, /* complain_on_overflow */ 607 bfd_elf_generic_reloc, /* special_function */ 608 "R_SH_GOT_HI16", /* name */ 609 FALSE, /* partial_inplace */ 610 0, /* src_mask */ 611 0x3fffc00, /* dst_mask */ 612 FALSE), /* pcrel_offset */ 613 614 /* Used in MOVI and SHORI (x & 65536). */ 615 HOWTO (R_SH_GOTPLT_LOW16, /* type */ 616 0, /* rightshift */ 617 2, /* size (0 = byte, 1 = short, 2 = long) */ 618 64, /* bitsize */ 619 FALSE, /* pc_relative */ 620 10, /* bitpos */ 621 complain_overflow_dont, /* complain_on_overflow */ 622 bfd_elf_generic_reloc, /* special_function */ 623 "R_SH_GOTPLT_LOW16", /* name */ 624 FALSE, /* partial_inplace */ 625 0, /* src_mask */ 626 0x3fffc00, /* dst_mask */ 627 FALSE), /* pcrel_offset */ 628 629 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 630 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */ 631 16, /* rightshift */ 632 2, /* size (0 = byte, 1 = short, 2 = long) */ 633 64, /* bitsize */ 634 FALSE, /* pc_relative */ 635 10, /* bitpos */ 636 complain_overflow_dont, /* complain_on_overflow */ 637 bfd_elf_generic_reloc, /* special_function */ 638 "R_SH_GOTPLT_MEDLOW16", /* name */ 639 FALSE, /* partial_inplace */ 640 0, /* src_mask */ 641 0x3fffc00, /* dst_mask */ 642 FALSE), /* pcrel_offset */ 643 644 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 645 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */ 646 32, /* rightshift */ 647 2, /* size (0 = byte, 1 = short, 2 = long) */ 648 64, /* bitsize */ 649 FALSE, /* pc_relative */ 650 10, /* bitpos */ 651 complain_overflow_dont, /* complain_on_overflow */ 652 bfd_elf_generic_reloc, /* special_function */ 653 "R_SH_GOTPLT_MEDHI16", /* name */ 654 FALSE, /* partial_inplace */ 655 0, /* src_mask */ 656 0x3fffc00, /* dst_mask */ 657 FALSE), /* pcrel_offset */ 658 659 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 660 HOWTO (R_SH_GOTPLT_HI16, /* type */ 661 48, /* rightshift */ 662 2, /* size (0 = byte, 1 = short, 2 = long) */ 663 64, /* bitsize */ 664 FALSE, /* pc_relative */ 665 10, /* bitpos */ 666 complain_overflow_dont, /* complain_on_overflow */ 667 bfd_elf_generic_reloc, /* special_function */ 668 "R_SH_GOTPLT_HI16", /* name */ 669 FALSE, /* partial_inplace */ 670 0, /* src_mask */ 671 0x3fffc00, /* dst_mask */ 672 FALSE), /* pcrel_offset */ 673 674 /* Used in MOVI and SHORI (x & 65536). */ 675 HOWTO (R_SH_PLT_LOW16, /* type */ 676 0, /* rightshift */ 677 2, /* size (0 = byte, 1 = short, 2 = long) */ 678 64, /* bitsize */ 679 TRUE, /* pc_relative */ 680 10, /* bitpos */ 681 complain_overflow_dont, /* complain_on_overflow */ 682 bfd_elf_generic_reloc, /* special_function */ 683 "R_SH_PLT_LOW16", /* name */ 684 FALSE, /* partial_inplace */ 685 0, /* src_mask */ 686 0x3fffc00, /* dst_mask */ 687 TRUE), /* pcrel_offset */ 688 689 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 690 HOWTO (R_SH_PLT_MEDLOW16, /* type */ 691 16, /* rightshift */ 692 2, /* size (0 = byte, 1 = short, 2 = long) */ 693 64, /* bitsize */ 694 TRUE, /* pc_relative */ 695 10, /* bitpos */ 696 complain_overflow_dont, /* complain_on_overflow */ 697 bfd_elf_generic_reloc, /* special_function */ 698 "R_SH_PLT_MEDLOW16", /* name */ 699 FALSE, /* partial_inplace */ 700 0, /* src_mask */ 701 0x3fffc00, /* dst_mask */ 702 TRUE), /* pcrel_offset */ 703 704 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 705 HOWTO (R_SH_PLT_MEDHI16, /* type */ 706 32, /* rightshift */ 707 2, /* size (0 = byte, 1 = short, 2 = long) */ 708 64, /* bitsize */ 709 TRUE, /* pc_relative */ 710 10, /* bitpos */ 711 complain_overflow_dont, /* complain_on_overflow */ 712 bfd_elf_generic_reloc, /* special_function */ 713 "R_SH_PLT_MEDHI16", /* name */ 714 FALSE, /* partial_inplace */ 715 0, /* src_mask */ 716 0x3fffc00, /* dst_mask */ 717 TRUE), /* pcrel_offset */ 718 719 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 720 HOWTO (R_SH_PLT_HI16, /* type */ 721 48, /* rightshift */ 722 2, /* size (0 = byte, 1 = short, 2 = long) */ 723 64, /* bitsize */ 724 TRUE, /* pc_relative */ 725 10, /* bitpos */ 726 complain_overflow_dont, /* complain_on_overflow */ 727 bfd_elf_generic_reloc, /* special_function */ 728 "R_SH_PLT_HI16", /* name */ 729 FALSE, /* partial_inplace */ 730 0, /* src_mask */ 731 0x3fffc00, /* dst_mask */ 732 TRUE), /* pcrel_offset */ 733 734 /* Used in MOVI and SHORI (x & 65536). */ 735 HOWTO (R_SH_GOTOFF_LOW16, /* type */ 736 0, /* rightshift */ 737 2, /* size (0 = byte, 1 = short, 2 = long) */ 738 64, /* bitsize */ 739 FALSE, /* pc_relative */ 740 10, /* bitpos */ 741 complain_overflow_dont, /* complain_on_overflow */ 742 bfd_elf_generic_reloc, /* special_function */ 743 "R_SH_GOTOFF_LOW16", /* name */ 744 FALSE, /* partial_inplace */ 745 0, /* src_mask */ 746 0x3fffc00, /* dst_mask */ 747 FALSE), /* pcrel_offset */ 748 749 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 750 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */ 751 16, /* rightshift */ 752 2, /* size (0 = byte, 1 = short, 2 = long) */ 753 64, /* bitsize */ 754 FALSE, /* pc_relative */ 755 10, /* bitpos */ 756 complain_overflow_dont, /* complain_on_overflow */ 757 bfd_elf_generic_reloc, /* special_function */ 758 "R_SH_GOTOFF_MEDLOW16", /* name */ 759 FALSE, /* partial_inplace */ 760 0, /* src_mask */ 761 0x3fffc00, /* dst_mask */ 762 FALSE), /* pcrel_offset */ 763 764 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 765 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */ 766 32, /* rightshift */ 767 2, /* size (0 = byte, 1 = short, 2 = long) */ 768 64, /* bitsize */ 769 FALSE, /* pc_relative */ 770 10, /* bitpos */ 771 complain_overflow_dont, /* complain_on_overflow */ 772 bfd_elf_generic_reloc, /* special_function */ 773 "R_SH_GOTOFF_MEDHI16", /* name */ 774 FALSE, /* partial_inplace */ 775 0, /* src_mask */ 776 0x3fffc00, /* dst_mask */ 777 FALSE), /* pcrel_offset */ 778 779 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 780 HOWTO (R_SH_GOTOFF_HI16, /* type */ 781 48, /* rightshift */ 782 2, /* size (0 = byte, 1 = short, 2 = long) */ 783 64, /* bitsize */ 784 FALSE, /* pc_relative */ 785 10, /* bitpos */ 786 complain_overflow_dont, /* complain_on_overflow */ 787 bfd_elf_generic_reloc, /* special_function */ 788 "R_SH_GOTOFF_HI16", /* name */ 789 FALSE, /* partial_inplace */ 790 0, /* src_mask */ 791 0x3fffc00, /* dst_mask */ 792 FALSE), /* pcrel_offset */ 793 794 /* Used in MOVI and SHORI (x & 65536). */ 795 HOWTO (R_SH_GOTPC_LOW16, /* type */ 796 0, /* rightshift */ 797 2, /* size (0 = byte, 1 = short, 2 = long) */ 798 64, /* bitsize */ 799 TRUE, /* pc_relative */ 800 10, /* bitpos */ 801 complain_overflow_dont, /* complain_on_overflow */ 802 bfd_elf_generic_reloc, /* special_function */ 803 "R_SH_GOTPC_LOW16", /* name */ 804 FALSE, /* partial_inplace */ 805 0, /* src_mask */ 806 0x3fffc00, /* dst_mask */ 807 TRUE), /* pcrel_offset */ 808 809 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 810 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */ 811 16, /* rightshift */ 812 2, /* size (0 = byte, 1 = short, 2 = long) */ 813 64, /* bitsize */ 814 TRUE, /* pc_relative */ 815 10, /* bitpos */ 816 complain_overflow_dont, /* complain_on_overflow */ 817 bfd_elf_generic_reloc, /* special_function */ 818 "R_SH_GOTPC_MEDLOW16", /* name */ 819 FALSE, /* partial_inplace */ 820 0, /* src_mask */ 821 0x3fffc00, /* dst_mask */ 822 TRUE), /* pcrel_offset */ 823 824 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 825 HOWTO (R_SH_GOTPC_MEDHI16, /* type */ 826 32, /* rightshift */ 827 2, /* size (0 = byte, 1 = short, 2 = long) */ 828 64, /* bitsize */ 829 TRUE, /* pc_relative */ 830 10, /* bitpos */ 831 complain_overflow_dont, /* complain_on_overflow */ 832 bfd_elf_generic_reloc, /* special_function */ 833 "R_SH_GOTPC_MEDHI16", /* name */ 834 FALSE, /* partial_inplace */ 835 0, /* src_mask */ 836 0x3fffc00, /* dst_mask */ 837 TRUE), /* pcrel_offset */ 838 839 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 840 HOWTO (R_SH_GOTPC_HI16, /* type */ 841 48, /* rightshift */ 842 2, /* size (0 = byte, 1 = short, 2 = long) */ 843 64, /* bitsize */ 844 TRUE, /* pc_relative */ 845 10, /* bitpos */ 846 complain_overflow_dont, /* complain_on_overflow */ 847 bfd_elf_generic_reloc, /* special_function */ 848 "R_SH_GOTPC_HI16", /* name */ 849 FALSE, /* partial_inplace */ 850 0, /* src_mask */ 851 0x3fffc00, /* dst_mask */ 852 TRUE), /* pcrel_offset */ 853 854 /* Used in LD.L, FLD.S et al. */ 855 HOWTO (R_SH_GOT10BY4, /* type */ 856 2, /* rightshift */ 857 2, /* size (0 = byte, 1 = short, 2 = long) */ 858 12, /* bitsize */ 859 FALSE, /* pc_relative */ 860 10, /* bitpos */ 861 complain_overflow_signed, /* complain_on_overflow */ 862 bfd_elf_generic_reloc, /* special_function */ 863 "R_SH_GOT10BY4", /* name */ 864 FALSE, /* partial_inplace */ 865 0, /* src_mask */ 866 0xffc00, /* dst_mask */ 867 FALSE), /* pcrel_offset */ 868 869 /* Used in LD.L, FLD.S et al. */ 870 HOWTO (R_SH_GOTPLT10BY4, /* type */ 871 2, /* rightshift */ 872 2, /* size (0 = byte, 1 = short, 2 = long) */ 873 12, /* bitsize */ 874 FALSE, /* pc_relative */ 875 10, /* bitpos */ 876 complain_overflow_signed, /* complain_on_overflow */ 877 bfd_elf_generic_reloc, /* special_function */ 878 "R_SH_GOTPLT10BY4", /* name */ 879 FALSE, /* partial_inplace */ 880 0, /* src_mask */ 881 0xffc00, /* dst_mask */ 882 FALSE), /* pcrel_offset */ 883 884 /* Used in FLD.D, FST.P et al. */ 885 HOWTO (R_SH_GOT10BY8, /* type */ 886 3, /* rightshift */ 887 2, /* size (0 = byte, 1 = short, 2 = long) */ 888 13, /* bitsize */ 889 FALSE, /* pc_relative */ 890 10, /* bitpos */ 891 complain_overflow_signed, /* complain_on_overflow */ 892 bfd_elf_generic_reloc, /* special_function */ 893 "R_SH_GOT10BY8", /* name */ 894 FALSE, /* partial_inplace */ 895 0, /* src_mask */ 896 0xffc00, /* dst_mask */ 897 FALSE), /* pcrel_offset */ 898 899 /* Used in FLD.D, FST.P et al. */ 900 HOWTO (R_SH_GOTPLT10BY8, /* type */ 901 3, /* rightshift */ 902 2, /* size (0 = byte, 1 = short, 2 = long) */ 903 13, /* bitsize */ 904 FALSE, /* pc_relative */ 905 10, /* bitpos */ 906 complain_overflow_signed, /* complain_on_overflow */ 907 bfd_elf_generic_reloc, /* special_function */ 908 "R_SH_GOTPLT10BY8", /* name */ 909 FALSE, /* partial_inplace */ 910 0, /* src_mask */ 911 0xffc00, /* dst_mask */ 912 FALSE), /* pcrel_offset */ 913 914 HOWTO (R_SH_COPY64, /* type */ 915 0, /* rightshift */ 916 4, /* size (0 = byte, 1 = short, 2 = long) */ 917 64, /* bitsize */ 918 FALSE, /* pc_relative */ 919 0, /* bitpos */ 920 complain_overflow_dont, /* complain_on_overflow */ 921 bfd_elf_generic_reloc, /* special_function */ 922 "R_SH_COPY64", /* name */ 923 FALSE, /* partial_inplace */ 924 0, /* src_mask */ 925 ((bfd_vma) 0) - 1, /* dst_mask */ 926 FALSE), /* pcrel_offset */ 927 928 HOWTO (R_SH_GLOB_DAT64, /* type */ 929 0, /* rightshift */ 930 4, /* size (0 = byte, 1 = short, 2 = long) */ 931 64, /* bitsize */ 932 FALSE, /* pc_relative */ 933 0, /* bitpos */ 934 complain_overflow_dont, /* complain_on_overflow */ 935 bfd_elf_generic_reloc, /* special_function */ 936 "R_SH_GLOB_DAT64", /* name */ 937 FALSE, /* partial_inplace */ 938 0, /* src_mask */ 939 ((bfd_vma) 0) - 1, /* dst_mask */ 940 FALSE), /* pcrel_offset */ 941 942 HOWTO (R_SH_JMP_SLOT64, /* type */ 943 0, /* rightshift */ 944 4, /* size (0 = byte, 1 = short, 2 = long) */ 945 64, /* bitsize */ 946 FALSE, /* pc_relative */ 947 0, /* bitpos */ 948 complain_overflow_dont, /* complain_on_overflow */ 949 bfd_elf_generic_reloc, /* special_function */ 950 "R_SH_JMP_SLOT64", /* name */ 951 FALSE, /* partial_inplace */ 952 0, /* src_mask */ 953 ((bfd_vma) 0) - 1, /* dst_mask */ 954 FALSE), /* pcrel_offset */ 955 956 HOWTO (R_SH_RELATIVE64, /* type */ 957 0, /* rightshift */ 958 4, /* size (0 = byte, 1 = short, 2 = long) */ 959 64, /* bitsize */ 960 FALSE, /* pc_relative */ 961 0, /* bitpos */ 962 complain_overflow_dont, /* complain_on_overflow */ 963 bfd_elf_generic_reloc, /* special_function */ 964 "R_SH_RELATIVE64", /* name */ 965 FALSE, /* partial_inplace */ 966 0, /* src_mask */ 967 ((bfd_vma) 0) - 1, /* dst_mask */ 968 FALSE), /* pcrel_offset */ 969 970 EMPTY_HOWTO (197), 971 EMPTY_HOWTO (198), 972 EMPTY_HOWTO (199), 973 EMPTY_HOWTO (200), 974 EMPTY_HOWTO (201), 975 EMPTY_HOWTO (202), 976 EMPTY_HOWTO (203), 977 EMPTY_HOWTO (204), 978 EMPTY_HOWTO (205), 979 EMPTY_HOWTO (206), 980 EMPTY_HOWTO (207), 981 EMPTY_HOWTO (208), 982 EMPTY_HOWTO (209), 983 EMPTY_HOWTO (210), 984 EMPTY_HOWTO (211), 985 EMPTY_HOWTO (212), 986 EMPTY_HOWTO (213), 987 EMPTY_HOWTO (214), 988 EMPTY_HOWTO (215), 989 EMPTY_HOWTO (216), 990 EMPTY_HOWTO (217), 991 EMPTY_HOWTO (218), 992 EMPTY_HOWTO (219), 993 EMPTY_HOWTO (220), 994 EMPTY_HOWTO (221), 995 EMPTY_HOWTO (222), 996 EMPTY_HOWTO (223), 997 EMPTY_HOWTO (224), 998 EMPTY_HOWTO (225), 999 EMPTY_HOWTO (226), 1000 EMPTY_HOWTO (227), 1001 EMPTY_HOWTO (228), 1002 EMPTY_HOWTO (229), 1003 EMPTY_HOWTO (230), 1004 EMPTY_HOWTO (231), 1005 EMPTY_HOWTO (232), 1006 EMPTY_HOWTO (233), 1007 EMPTY_HOWTO (234), 1008 EMPTY_HOWTO (235), 1009 EMPTY_HOWTO (236), 1010 EMPTY_HOWTO (237), 1011 EMPTY_HOWTO (238), 1012 EMPTY_HOWTO (239), 1013 EMPTY_HOWTO (240), 1014 EMPTY_HOWTO (241), 1015 1016 /* Relocations for SHmedia code. None of these are partial_inplace or 1017 use the field being relocated. */ 1018 1019 /* The assembler will generate this reloc before a block of SHmedia 1020 instructions. A section should be processed as assuming it contains 1021 data, unless this reloc is seen. Note that a block of SHcompact 1022 instructions are instead preceded by R_SH_CODE. 1023 This is currently not implemented, but should be used for SHmedia 1024 linker relaxation. */ 1025 HOWTO (R_SH_SHMEDIA_CODE, /* type */ 1026 0, /* rightshift */ 1027 1, /* size (0 = byte, 1 = short, 2 = long) */ 1028 0, /* bitsize */ 1029 FALSE, /* pc_relative */ 1030 0, /* bitpos */ 1031 complain_overflow_unsigned, /* complain_on_overflow */ 1032 sh_elf64_ignore_reloc, /* special_function */ 1033 "R_SH_SHMEDIA_CODE", /* name */ 1034 FALSE, /* partial_inplace */ 1035 0, /* src_mask */ 1036 0, /* dst_mask */ 1037 FALSE), /* pcrel_offset */ 1038 1039 /* The assembler will generate this reloc at a PTA or PTB instruction, 1040 and the linker checks the right type of target, or changes a PTA to a 1041 PTB, if the original insn was PT. */ 1042 HOWTO (R_SH_PT_16, /* type */ 1043 2, /* rightshift */ 1044 2, /* size (0 = byte, 1 = short, 2 = long) */ 1045 18, /* bitsize */ 1046 TRUE, /* pc_relative */ 1047 10, /* bitpos */ 1048 complain_overflow_signed, /* complain_on_overflow */ 1049 bfd_elf_generic_reloc, /* special_function */ 1050 "R_SH_PT_16", /* name */ 1051 FALSE, /* partial_inplace */ 1052 0, /* src_mask */ 1053 0x3fffc00, /* dst_mask */ 1054 TRUE), /* pcrel_offset */ 1055 1056 /* Used in unexpanded MOVI. */ 1057 HOWTO (R_SH_IMMS16, /* type */ 1058 0, /* rightshift */ 1059 2, /* size (0 = byte, 1 = short, 2 = long) */ 1060 16, /* bitsize */ 1061 FALSE, /* pc_relative */ 1062 10, /* bitpos */ 1063 complain_overflow_signed, /* complain_on_overflow */ 1064 bfd_elf_generic_reloc, /* special_function */ 1065 "R_SH_IMMS16", /* name */ 1066 FALSE, /* partial_inplace */ 1067 0, /* src_mask */ 1068 0x3fffc00, /* dst_mask */ 1069 FALSE), /* pcrel_offset */ 1070 1071 /* Used in SHORI. */ 1072 HOWTO (R_SH_IMMU16, /* type */ 1073 0, /* rightshift */ 1074 2, /* size (0 = byte, 1 = short, 2 = long) */ 1075 16, /* bitsize */ 1076 FALSE, /* pc_relative */ 1077 10, /* bitpos */ 1078 complain_overflow_unsigned, /* complain_on_overflow */ 1079 bfd_elf_generic_reloc, /* special_function */ 1080 "R_SH_IMMU16", /* name */ 1081 FALSE, /* partial_inplace */ 1082 0, /* src_mask */ 1083 0x3fffc00, /* dst_mask */ 1084 FALSE), /* pcrel_offset */ 1085 1086 /* Used in MOVI and SHORI (x & 65536). */ 1087 HOWTO (R_SH_IMM_LOW16, /* type */ 1088 0, /* rightshift */ 1089 2, /* size (0 = byte, 1 = short, 2 = long) */ 1090 64, /* bitsize */ 1091 FALSE, /* pc_relative */ 1092 10, /* bitpos */ 1093 complain_overflow_dont, /* complain_on_overflow */ 1094 bfd_elf_generic_reloc, /* special_function */ 1095 "R_SH_IMM_LOW16", /* name */ 1096 FALSE, /* partial_inplace */ 1097 0, /* src_mask */ 1098 0x3fffc00, /* dst_mask */ 1099 FALSE), /* pcrel_offset */ 1100 1101 /* Used in MOVI and SHORI ((x - $) & 65536). */ 1102 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */ 1103 0, /* rightshift */ 1104 2, /* size (0 = byte, 1 = short, 2 = long) */ 1105 64, /* bitsize */ 1106 TRUE, /* pc_relative */ 1107 10, /* bitpos */ 1108 complain_overflow_dont, /* complain_on_overflow */ 1109 bfd_elf_generic_reloc, /* special_function */ 1110 "R_SH_IMM_LOW16_PCREL", /* name */ 1111 FALSE, /* partial_inplace */ 1112 0, /* src_mask */ 1113 0x3fffc00, /* dst_mask */ 1114 TRUE), /* pcrel_offset */ 1115 1116 /* Used in MOVI and SHORI ((x >> 16) & 65536). */ 1117 HOWTO (R_SH_IMM_MEDLOW16, /* type */ 1118 16, /* rightshift */ 1119 2, /* size (0 = byte, 1 = short, 2 = long) */ 1120 64, /* bitsize */ 1121 FALSE, /* pc_relative */ 1122 10, /* bitpos */ 1123 complain_overflow_dont, /* complain_on_overflow */ 1124 bfd_elf_generic_reloc, /* special_function */ 1125 "R_SH_IMM_MEDLOW16", /* name */ 1126 FALSE, /* partial_inplace */ 1127 0, /* src_mask */ 1128 0x3fffc00, /* dst_mask */ 1129 FALSE), /* pcrel_offset */ 1130 1131 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */ 1132 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */ 1133 16, /* rightshift */ 1134 2, /* size (0 = byte, 1 = short, 2 = long) */ 1135 64, /* bitsize */ 1136 TRUE, /* pc_relative */ 1137 10, /* bitpos */ 1138 complain_overflow_dont, /* complain_on_overflow */ 1139 bfd_elf_generic_reloc, /* special_function */ 1140 "R_SH_IMM_MEDLOW16_PCREL", /* name */ 1141 FALSE, /* partial_inplace */ 1142 0, /* src_mask */ 1143 0x3fffc00, /* dst_mask */ 1144 TRUE), /* pcrel_offset */ 1145 1146 /* Used in MOVI and SHORI ((x >> 32) & 65536). */ 1147 HOWTO (R_SH_IMM_MEDHI16, /* type */ 1148 32, /* rightshift */ 1149 2, /* size (0 = byte, 1 = short, 2 = long) */ 1150 64, /* bitsize */ 1151 FALSE, /* pc_relative */ 1152 10, /* bitpos */ 1153 complain_overflow_dont, /* complain_on_overflow */ 1154 bfd_elf_generic_reloc, /* special_function */ 1155 "R_SH_IMM_MEDHI16", /* name */ 1156 FALSE, /* partial_inplace */ 1157 0, /* src_mask */ 1158 0x3fffc00, /* dst_mask */ 1159 FALSE), /* pcrel_offset */ 1160 1161 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */ 1162 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */ 1163 32, /* rightshift */ 1164 2, /* size (0 = byte, 1 = short, 2 = long) */ 1165 64, /* bitsize */ 1166 TRUE, /* pc_relative */ 1167 10, /* bitpos */ 1168 complain_overflow_dont, /* complain_on_overflow */ 1169 bfd_elf_generic_reloc, /* special_function */ 1170 "R_SH_IMM_MEDHI16_PCREL", /* name */ 1171 FALSE, /* partial_inplace */ 1172 0, /* src_mask */ 1173 0x3fffc00, /* dst_mask */ 1174 TRUE), /* pcrel_offset */ 1175 1176 /* Used in MOVI and SHORI ((x >> 48) & 65536). */ 1177 HOWTO (R_SH_IMM_HI16, /* type */ 1178 48, /* rightshift */ 1179 2, /* size (0 = byte, 1 = short, 2 = long) */ 1180 64, /* bitsize */ 1181 FALSE, /* pc_relative */ 1182 10, /* bitpos */ 1183 complain_overflow_dont, /* complain_on_overflow */ 1184 bfd_elf_generic_reloc, /* special_function */ 1185 "R_SH_IMM_HI16", /* name */ 1186 FALSE, /* partial_inplace */ 1187 0, /* src_mask */ 1188 0x3fffc00, /* dst_mask */ 1189 FALSE), /* pcrel_offset */ 1190 1191 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */ 1192 HOWTO (R_SH_IMM_HI16_PCREL, /* type */ 1193 48, /* rightshift */ 1194 2, /* size (0 = byte, 1 = short, 2 = long) */ 1195 64, /* bitsize */ 1196 TRUE, /* pc_relative */ 1197 10, /* bitpos */ 1198 complain_overflow_dont, /* complain_on_overflow */ 1199 bfd_elf_generic_reloc, /* special_function */ 1200 "R_SH_IMM_HI16_PCREL", /* name */ 1201 FALSE, /* partial_inplace */ 1202 0, /* src_mask */ 1203 0x3fffc00, /* dst_mask */ 1204 TRUE), /* pcrel_offset */ 1205 1206 /* For the .uaquad pseudo. */ 1207 HOWTO (R_SH_64, /* type */ 1208 0, /* rightshift */ 1209 4, /* size (0 = byte, 1 = short, 2 = long) */ 1210 64, /* bitsize */ 1211 FALSE, /* pc_relative */ 1212 0, /* bitpos */ 1213 complain_overflow_dont, /* complain_on_overflow */ 1214 bfd_elf_generic_reloc, /* special_function */ 1215 "R_SH_64", /* name */ 1216 FALSE, /* partial_inplace */ 1217 0, /* src_mask */ 1218 ((bfd_vma) 0) - 1, /* dst_mask */ 1219 FALSE), /* pcrel_offset */ 1220 1221 /* For the .uaquad pseudo, (x - $). */ 1222 HOWTO (R_SH_64_PCREL, /* type */ 1223 48, /* rightshift */ 1224 2, /* size (0 = byte, 1 = short, 2 = long) */ 1225 64, /* bitsize */ 1226 TRUE, /* pc_relative */ 1227 10, /* bitpos */ 1228 complain_overflow_dont, /* complain_on_overflow */ 1229 bfd_elf_generic_reloc, /* special_function */ 1230 "R_SH_64_PCREL", /* name */ 1231 FALSE, /* partial_inplace */ 1232 0, /* src_mask */ 1233 ((bfd_vma) 0) - 1, /* dst_mask */ 1234 TRUE), /* pcrel_offset */ 1235 1236}; 1237 1238/* This function is used for relocs which are only used for relaxing, 1239 which the linker should otherwise ignore. */ 1240 1241static bfd_reloc_status_type 1242sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, 1243 asymbol *symbol ATTRIBUTE_UNUSED, 1244 void *data ATTRIBUTE_UNUSED, asection *input_section, 1245 bfd *output_bfd, 1246 char **error_message ATTRIBUTE_UNUSED) 1247{ 1248 if (output_bfd != NULL) 1249 reloc_entry->address += input_section->output_offset; 1250 return bfd_reloc_ok; 1251} 1252 1253/* This function is used for normal relocs. This used to be like the COFF 1254 function, and is almost certainly incorrect for other ELF targets. 1255 1256 See sh_elf_reloc in elf32-sh.c for the original. */ 1257 1258static bfd_reloc_status_type 1259sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in, 1260 void *data, asection *input_section, bfd *output_bfd, 1261 char **error_message ATTRIBUTE_UNUSED) 1262{ 1263 unsigned long insn; 1264 bfd_vma sym_value; 1265 enum elf_sh_reloc_type r_type; 1266 bfd_vma addr = reloc_entry->address; 1267 bfd_byte *hit_data = addr + (bfd_byte *) data; 1268 1269 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; 1270 1271 if (output_bfd != NULL) 1272 { 1273 /* Partial linking--do nothing. */ 1274 reloc_entry->address += input_section->output_offset; 1275 return bfd_reloc_ok; 1276 } 1277 1278 if (symbol_in != NULL 1279 && bfd_is_und_section (symbol_in->section)) 1280 return bfd_reloc_undefined; 1281 1282 if (bfd_is_com_section (symbol_in->section)) 1283 sym_value = 0; 1284 else 1285 sym_value = (symbol_in->value + 1286 symbol_in->section->output_section->vma + 1287 symbol_in->section->output_offset); 1288 1289 switch (r_type) 1290 { 1291 case R_SH_DIR32: 1292 insn = bfd_get_32 (abfd, hit_data); 1293 insn += sym_value + reloc_entry->addend; 1294 bfd_put_32 (abfd, insn, hit_data); 1295 break; 1296 1297 default: 1298 abort (); 1299 break; 1300 } 1301 1302 return bfd_reloc_ok; 1303} 1304 1305/* This structure is used to map BFD reloc codes to SH ELF relocs. */ 1306 1307struct elf_reloc_map 1308{ 1309 bfd_reloc_code_real_type bfd_reloc_val; 1310 unsigned char elf_reloc_val; 1311}; 1312 1313/* An array mapping BFD reloc codes to SH ELF relocs. */ 1314 1315static const struct elf_reloc_map sh64_reloc_map[] = 1316{ 1317 { BFD_RELOC_NONE, R_SH_NONE }, 1318 { BFD_RELOC_32, R_SH_DIR32 }, 1319 { BFD_RELOC_CTOR, R_SH_DIR32 }, 1320 { BFD_RELOC_32_PCREL, R_SH_REL32 }, 1321 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, 1322 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, 1323 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, 1324 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, 1325 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, 1326 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, 1327 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, 1328 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, 1329 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, 1330 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, 1331 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, 1332 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, 1333 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, 1334 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, 1335 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, 1336 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, 1337 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, 1338 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, 1339 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, 1340 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, 1341 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, 1342 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, 1343 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, 1344 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, 1345 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, 1346 { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, 1347 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, 1348 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, 1349 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, 1350 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, 1351 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, 1352 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, 1353 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, 1354 { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, 1355 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, 1356 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, 1357 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, 1358 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, 1359 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, 1360 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, 1361 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, 1362 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, 1363 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, 1364 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, 1365 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, 1366 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, 1367 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, 1368 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, 1369 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, 1370 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, 1371 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, 1372 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, 1373 { BFD_RELOC_64, R_SH_64 }, 1374 { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, 1375}; 1376 1377/* Given a BFD reloc code, return the howto structure for the 1378 corresponding SH ELf reloc. */ 1379 1380static reloc_howto_type * 1381sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 1382 bfd_reloc_code_real_type code) 1383{ 1384 unsigned int i; 1385 1386 for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++) 1387 { 1388 if (sh64_reloc_map[i].bfd_reloc_val == code) 1389 return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val]; 1390 } 1391 1392 return NULL; 1393} 1394 1395/* Given an ELF reloc, fill in the howto field of a relent. 1396 1397 See sh_elf_info_to_howto in elf32-sh.c for the original. */ 1398 1399static void 1400sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, 1401 Elf_Internal_Rela *dst) 1402{ 1403 unsigned int r; 1404 1405 r = ELF64_R_TYPE (dst->r_info); 1406 1407 BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL); 1408 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); 1409 BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2); 1410 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32); 1411 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); 1412 1413 cache_ptr->howto = &sh_elf64_howto_table[r]; 1414} 1415 1416/* Relocate an SH ELF section. 1417 1418 See sh_elf_info_to_howto in elf32-sh.c for the original. */ 1419 1420static bfd_boolean 1421sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, 1422 struct bfd_link_info *info, bfd *input_bfd, 1423 asection *input_section, bfd_byte *contents, 1424 Elf_Internal_Rela *relocs, 1425 Elf_Internal_Sym *local_syms, 1426 asection **local_sections) 1427{ 1428 Elf_Internal_Shdr *symtab_hdr; 1429 struct elf_link_hash_entry **sym_hashes; 1430 Elf_Internal_Rela *rel, *relend; 1431 bfd *dynobj; 1432 bfd_vma *local_got_offsets; 1433 asection *sgot; 1434 asection *sgotplt; 1435 asection *splt; 1436 asection *sreloc; 1437 bfd_vma disp, dropped; 1438 1439 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; 1440 sym_hashes = elf_sym_hashes (input_bfd); 1441 dynobj = elf_hash_table (info)->dynobj; 1442 local_got_offsets = elf_local_got_offsets (input_bfd); 1443 1444 sgot = NULL; 1445 sgotplt = NULL; 1446 splt = NULL; 1447 sreloc = NULL; 1448 1449 rel = relocs; 1450 relend = relocs + input_section->reloc_count; 1451 for (; rel < relend; rel++) 1452 { 1453 int r_type; 1454 reloc_howto_type *howto; 1455 unsigned long r_symndx; 1456 Elf_Internal_Sym *sym; 1457 asection *sec; 1458 struct elf_link_hash_entry *h; 1459 bfd_vma relocation; 1460 bfd_vma addend = (bfd_vma)0; 1461 bfd_reloc_status_type r; 1462 int seen_stt_datalabel = 0; 1463 1464 r_symndx = ELF64_R_SYM (rel->r_info); 1465 1466 r_type = ELF64_R_TYPE (rel->r_info); 1467 1468 if (r_type == (int) R_SH_NONE) 1469 continue; 1470 1471 if (r_type < 0 1472 || r_type > R_SH_64_PCREL 1473 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC 1474 && r_type <= (int) R_SH_LAST_INVALID_RELOC) 1475 || (r_type >= (int) R_SH_DIR8WPN 1476 && r_type <= (int) R_SH_LAST_INVALID_RELOC) 1477 || (r_type >= (int) R_SH_GNU_VTINHERIT 1478 && r_type <= (int) R_SH_PSHL) 1479 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 1480 && r_type <= R_SH_GOTPLT32) 1481 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 1482 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)) 1483 { 1484 bfd_set_error (bfd_error_bad_value); 1485 return FALSE; 1486 } 1487 1488 howto = sh_elf64_howto_table + r_type; 1489 1490 /* This is a final link. */ 1491 h = NULL; 1492 sym = NULL; 1493 sec = NULL; 1494 if (r_symndx < symtab_hdr->sh_info) 1495 { 1496 sym = local_syms + r_symndx; 1497 sec = local_sections[r_symndx]; 1498 relocation = ((sec->output_section->vma 1499 + sec->output_offset 1500 + sym->st_value) 1501 | ((sym->st_other & STO_SH5_ISA32) != 0)); 1502 1503 /* A local symbol never has STO_SH5_ISA32, so we don't need 1504 datalabel processing here. Make sure this does not change 1505 without notice. */ 1506 if ((sym->st_other & STO_SH5_ISA32) != 0) 1507 ((*info->callbacks->reloc_dangerous) 1508 (info, 1509 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), 1510 input_bfd, input_section, rel->r_offset)); 1511 1512 if (info->relocatable) 1513 { 1514 /* This is a relocatable link. We don't have to change 1515 anything, unless the reloc is against a section symbol, 1516 in which case we have to adjust according to where the 1517 section symbol winds up in the output section. */ 1518 sym = local_syms + r_symndx; 1519 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) 1520 goto final_link_relocate; 1521 1522 continue; 1523 } 1524 else if (! howto->partial_inplace) 1525 { 1526 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); 1527 relocation |= ((sym->st_other & STO_SH5_ISA32) != 0); 1528 } 1529 else if ((sec->flags & SEC_MERGE) 1530 && ELF_ST_TYPE (sym->st_info) == STT_SECTION) 1531 { 1532 asection *msec; 1533 1534 if (howto->rightshift || howto->src_mask != 0xffffffff) 1535 { 1536 (*_bfd_error_handler) 1537 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"), 1538 input_bfd, input_section, 1539 (long) rel->r_offset, howto->name); 1540 return FALSE; 1541 } 1542 1543 addend = bfd_get_32 (input_bfd, contents + rel->r_offset); 1544 msec = sec; 1545 addend = 1546 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) 1547 - relocation; 1548 addend += msec->output_section->vma + msec->output_offset; 1549 bfd_put_32 (input_bfd, addend, contents + rel->r_offset); 1550 addend = 0; 1551 } 1552 } 1553 else 1554 { 1555 /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */ 1556 1557 /* Section symbols are never (?) placed in the hash table, so 1558 we can just ignore hash relocations when creating a 1559 relocatable object file. */ 1560 if (info->relocatable) 1561 continue; 1562 1563 h = sym_hashes[r_symndx - symtab_hdr->sh_info]; 1564 while (h->root.type == bfd_link_hash_indirect 1565 || h->root.type == bfd_link_hash_warning) 1566 { 1567 /* If the reference passes a symbol marked with 1568 STT_DATALABEL, then any STO_SH5_ISA32 on the final value 1569 doesn't count. */ 1570 seen_stt_datalabel |= h->type == STT_DATALABEL; 1571 h = (struct elf_link_hash_entry *) h->root.u.i.link; 1572 } 1573 1574 if (h->root.type == bfd_link_hash_defined 1575 || h->root.type == bfd_link_hash_defweak) 1576 { 1577 sec = h->root.u.def.section; 1578 /* In these cases, we don't need the relocation value. 1579 We check specially because in some obscure cases 1580 sec->output_section will be NULL. */ 1581 if (r_type == R_SH_GOTPC_LOW16 1582 || r_type == R_SH_GOTPC_MEDLOW16 1583 || r_type == R_SH_GOTPC_MEDHI16 1584 || r_type == R_SH_GOTPC_HI16 1585 || ((r_type == R_SH_PLT_LOW16 1586 || r_type == R_SH_PLT_MEDLOW16 1587 || r_type == R_SH_PLT_MEDHI16 1588 || r_type == R_SH_PLT_HI16) 1589 && h->plt.offset != (bfd_vma) -1) 1590 || ((r_type == R_SH_GOT_LOW16 1591 || r_type == R_SH_GOT_MEDLOW16 1592 || r_type == R_SH_GOT_MEDHI16 1593 || r_type == R_SH_GOT_HI16) 1594 && elf_hash_table (info)->dynamic_sections_created 1595 && (! info->shared 1596 || (! info->symbolic && h->dynindx != -1) 1597 || !h->def_regular)) 1598 /* The cases above are those in which relocation is 1599 overwritten in the switch block below. The cases 1600 below are those in which we must defer relocation 1601 to run-time, because we can't resolve absolute 1602 addresses when creating a shared library. */ 1603 || (info->shared 1604 && ((! info->symbolic && h->dynindx != -1) 1605 || !h->def_regular) 1606 && ((r_type == R_SH_64 1607 && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1608 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)) 1609 || r_type == R_SH_64_PCREL) 1610 && ((input_section->flags & SEC_ALLOC) != 0 1611 /* DWARF will emit R_SH_DIR32 relocations in its 1612 sections against symbols defined externally 1613 in shared libraries. We can't do anything 1614 with them here. */ 1615 || (input_section->flags & SEC_DEBUGGING) != 0)) 1616 /* Dynamic relocs are not propagated for SEC_DEBUGGING 1617 sections because such sections are not SEC_ALLOC and 1618 thus ld.so will not process them. */ 1619 || (sec->output_section == NULL 1620 && ((input_section->flags & SEC_DEBUGGING) != 0 1621 && h->def_dynamic))) 1622 relocation = 0; 1623 else if (sec->output_section == NULL) 1624 { 1625 (*_bfd_error_handler) 1626 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), 1627 input_bfd, 1628 input_section, 1629 (long) rel->r_offset, 1630 howto->name, 1631 h->root.root.string); 1632 relocation = 0; 1633 } 1634 else 1635 relocation = ((h->root.u.def.value 1636 + sec->output_section->vma 1637 + sec->output_offset) 1638 /* A STO_SH5_ISA32 causes a "bitor 1" to the 1639 symbol value, unless we've seen 1640 STT_DATALABEL on the way to it. */ 1641 | ((h->other & STO_SH5_ISA32) != 0 1642 && ! seen_stt_datalabel)); 1643 } 1644 else if (h->root.type == bfd_link_hash_undefweak) 1645 relocation = 0; 1646 else if (info->unresolved_syms_in_objects == RM_IGNORE 1647 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) 1648 relocation = 0; 1649 else 1650 { 1651 if (! ((*info->callbacks->undefined_symbol) 1652 (info, h->root.root.string, input_bfd, 1653 input_section, rel->r_offset, 1654 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR 1655 || ELF_ST_VISIBILITY (h->other))))) 1656 return FALSE; 1657 relocation = 0; 1658 } 1659 } 1660 1661 disp = (relocation 1662 - input_section->output_section->vma 1663 - input_section->output_offset 1664 - rel->r_offset); 1665 dropped = 0; 1666 switch ((int)r_type) 1667 { 1668 case R_SH_PT_16: dropped = disp & 2; break; 1669 case R_SH_DIR10SW: dropped = disp & 1; break; 1670 case R_SH_DIR10SL: dropped = disp & 3; break; 1671 case R_SH_DIR10SQ: dropped = disp & 7; break; 1672 } 1673 if (dropped != 0) 1674 { 1675 (*_bfd_error_handler) 1676 (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"), 1677 bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation); 1678 bfd_set_error (bfd_error_bad_value); 1679 return FALSE; 1680 } 1681 switch ((int)r_type) 1682 { 1683 case R_SH_64: 1684 case R_SH_64_PCREL: 1685 if (info->shared 1686 && (input_section->flags & SEC_ALLOC) != 0 1687 && (r_type != R_SH_64_PCREL 1688 || (h != NULL 1689 && h->dynindx != -1 1690 && (! info->symbolic 1691 || !h->def_regular)))) 1692 { 1693 Elf_Internal_Rela outrel; 1694 bfd_byte *loc; 1695 bfd_boolean skip, relocate; 1696 1697 /* When generating a shared object, these relocations 1698 are copied into the output file to be resolved at run 1699 time. */ 1700 1701 if (sreloc == NULL) 1702 { 1703 const char *name; 1704 1705 name = (bfd_elf_string_from_elf_section 1706 (input_bfd, 1707 elf_elfheader (input_bfd)->e_shstrndx, 1708 elf_section_data (input_section)->rel_hdr.sh_name)); 1709 if (name == NULL) 1710 return FALSE; 1711 1712 BFD_ASSERT (CONST_STRNEQ (name, ".rela") 1713 && strcmp (bfd_get_section_name (input_bfd, 1714 input_section), 1715 name + 5) == 0); 1716 1717 sreloc = bfd_get_section_by_name (dynobj, name); 1718 BFD_ASSERT (sreloc != NULL); 1719 } 1720 1721 skip = FALSE; 1722 relocate = FALSE; 1723 1724 outrel.r_offset 1725 = _bfd_elf_section_offset (output_bfd, info, 1726 input_section, rel->r_offset); 1727 1728 if (outrel.r_offset == (bfd_vma) -1) 1729 skip = TRUE; 1730 else if (outrel.r_offset == (bfd_vma) -2) 1731 skip = TRUE, relocate = TRUE; 1732 1733 outrel.r_offset += (input_section->output_section->vma 1734 + input_section->output_offset); 1735 1736 if (skip) 1737 memset (&outrel, 0, sizeof outrel); 1738 else if (r_type == R_SH_64_PCREL) 1739 { 1740 BFD_ASSERT (h != NULL && h->dynindx != -1); 1741 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL); 1742 outrel.r_addend = rel->r_addend; 1743 } 1744 else 1745 { 1746 /* h->dynindx may be -1 if this symbol was marked to 1747 become local. */ 1748 if (h == NULL 1749 || ((info->symbolic || h->dynindx == -1) 1750 && h->def_regular)) 1751 { 1752 relocate = TRUE; 1753 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 1754 outrel.r_addend = relocation + rel->r_addend; 1755 } 1756 else 1757 { 1758 BFD_ASSERT (h->dynindx != -1); 1759 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64); 1760 outrel.r_addend = relocation + rel->r_addend; 1761 } 1762 } 1763 1764 loc = sreloc->contents; 1765 loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); 1766 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); 1767 1768 /* If this reloc is against an external symbol, we do 1769 not want to fiddle with the addend. Otherwise, we 1770 need to include the symbol value so that it becomes 1771 an addend for the dynamic reloc. */ 1772 if (! relocate) 1773 continue; 1774 } 1775 else if (r_type == R_SH_64) 1776 addend = rel->r_addend; 1777 goto final_link_relocate; 1778 1779 case R_SH_GOTPLT_LOW16: 1780 case R_SH_GOTPLT_MEDLOW16: 1781 case R_SH_GOTPLT_MEDHI16: 1782 case R_SH_GOTPLT_HI16: 1783 case R_SH_GOTPLT10BY4: 1784 case R_SH_GOTPLT10BY8: 1785 /* Relocation is to the entry for this symbol in the 1786 procedure linkage table. */ 1787 1788 if (h == NULL 1789 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1790 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN 1791 || ! info->shared 1792 || info->symbolic 1793 || h->dynindx == -1 1794 || h->plt.offset == (bfd_vma) -1 1795 || h->got.offset != (bfd_vma) -1) 1796 goto force_got; 1797 1798 /* Relocation is to the entry for this symbol in the global 1799 offset table extension for the procedure linkage table. */ 1800 if (sgotplt == NULL) 1801 { 1802 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); 1803 BFD_ASSERT (sgotplt != NULL); 1804 } 1805 1806 relocation = (sgotplt->output_offset 1807 + ((h->plt.offset / elf_sh64_sizeof_plt (info) 1808 - 1 + 3) * 8)); 1809 1810 relocation -= GOT_BIAS; 1811 1812 goto final_link_relocate; 1813 1814 force_got: 1815 case R_SH_GOT_LOW16: 1816 case R_SH_GOT_MEDLOW16: 1817 case R_SH_GOT_MEDHI16: 1818 case R_SH_GOT_HI16: 1819 case R_SH_GOT10BY4: 1820 case R_SH_GOT10BY8: 1821 /* Relocation is to the entry for this symbol in the global 1822 offset table. */ 1823 if (sgot == NULL) 1824 { 1825 sgot = bfd_get_section_by_name (dynobj, ".got"); 1826 BFD_ASSERT (sgot != NULL); 1827 } 1828 1829 if (h != NULL) 1830 { 1831 bfd_vma off; 1832 1833 off = h->got.offset; 1834 if (seen_stt_datalabel) 1835 { 1836 struct elf_sh64_link_hash_entry *hsh; 1837 1838 hsh = (struct elf_sh64_link_hash_entry *)h; 1839 off = hsh->datalabel_got_offset; 1840 } 1841 BFD_ASSERT (off != (bfd_vma) -1); 1842 1843 if (! elf_hash_table (info)->dynamic_sections_created 1844 || (info->shared 1845 && (info->symbolic || h->dynindx == -1 1846 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 1847 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 1848 && h->def_regular)) 1849 { 1850 /* This is actually a static link, or it is a 1851 -Bsymbolic link and the symbol is defined 1852 locally, or the symbol was forced to be local 1853 because of a version file. We must initialize 1854 this entry in the global offset table. Since the 1855 offset must always be a multiple of 4, we use the 1856 least significant bit to record whether we have 1857 initialized it already. 1858 1859 When doing a dynamic link, we create a .rela.got 1860 relocation entry to initialize the value. This 1861 is done in the finish_dynamic_symbol routine. */ 1862 if ((off & 1) != 0) 1863 off &= ~1; 1864 else 1865 { 1866 bfd_put_64 (output_bfd, relocation, 1867 sgot->contents + off); 1868 if (seen_stt_datalabel) 1869 { 1870 struct elf_sh64_link_hash_entry *hsh; 1871 1872 hsh = (struct elf_sh64_link_hash_entry *)h; 1873 hsh->datalabel_got_offset |= 1; 1874 } 1875 else 1876 h->got.offset |= 1; 1877 } 1878 } 1879 1880 relocation = sgot->output_offset + off; 1881 } 1882 else 1883 { 1884 bfd_vma off; 1885 1886 if (rel->r_addend) 1887 { 1888 BFD_ASSERT (local_got_offsets != NULL 1889 && (local_got_offsets[symtab_hdr->sh_info 1890 + r_symndx] 1891 != (bfd_vma) -1)); 1892 1893 off = local_got_offsets[symtab_hdr->sh_info 1894 + r_symndx]; 1895 } 1896 else 1897 { 1898 BFD_ASSERT (local_got_offsets != NULL 1899 && local_got_offsets[r_symndx] != (bfd_vma) -1); 1900 1901 off = local_got_offsets[r_symndx]; 1902 } 1903 1904 /* The offset must always be a multiple of 8. We use 1905 the least significant bit to record whether we have 1906 already generated the necessary reloc. */ 1907 if ((off & 1) != 0) 1908 off &= ~1; 1909 else 1910 { 1911 bfd_put_64 (output_bfd, relocation, sgot->contents + off); 1912 1913 if (info->shared) 1914 { 1915 asection *s; 1916 Elf_Internal_Rela outrel; 1917 bfd_byte *loc; 1918 1919 s = bfd_get_section_by_name (dynobj, ".rela.got"); 1920 BFD_ASSERT (s != NULL); 1921 1922 outrel.r_offset = (sgot->output_section->vma 1923 + sgot->output_offset 1924 + off); 1925 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 1926 outrel.r_addend = relocation; 1927 loc = s->contents; 1928 loc += s->reloc_count++ * sizeof (Elf64_External_Rela); 1929 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); 1930 } 1931 1932 if (rel->r_addend) 1933 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; 1934 else 1935 local_got_offsets[r_symndx] |= 1; 1936 } 1937 1938 relocation = sgot->output_offset + off; 1939 } 1940 1941 relocation -= GOT_BIAS; 1942 1943 goto final_link_relocate; 1944 1945 case R_SH_GOTOFF_LOW16: 1946 case R_SH_GOTOFF_MEDLOW16: 1947 case R_SH_GOTOFF_MEDHI16: 1948 case R_SH_GOTOFF_HI16: 1949 /* Relocation is relative to the start of the global offset 1950 table. */ 1951 1952 if (sgot == NULL) 1953 { 1954 sgot = bfd_get_section_by_name (dynobj, ".got"); 1955 BFD_ASSERT (sgot != NULL); 1956 } 1957 1958 /* Note that sgot->output_offset is not involved in this 1959 calculation. We always want the start of .got. If we 1960 defined _GLOBAL_OFFSET_TABLE in a different way, as is 1961 permitted by the ABI, we might have to change this 1962 calculation. */ 1963 relocation -= sgot->output_section->vma; 1964 1965 relocation -= GOT_BIAS; 1966 1967 addend = rel->r_addend; 1968 1969 goto final_link_relocate; 1970 1971 case R_SH_GOTPC_LOW16: 1972 case R_SH_GOTPC_MEDLOW16: 1973 case R_SH_GOTPC_MEDHI16: 1974 case R_SH_GOTPC_HI16: 1975 /* Use global offset table as symbol value. */ 1976 1977 if (sgot == NULL) 1978 { 1979 sgot = bfd_get_section_by_name (dynobj, ".got"); 1980 BFD_ASSERT (sgot != NULL); 1981 } 1982 1983 relocation = sgot->output_section->vma; 1984 1985 relocation += GOT_BIAS; 1986 1987 addend = rel->r_addend; 1988 1989 goto final_link_relocate; 1990 1991 case R_SH_PLT_LOW16: 1992 case R_SH_PLT_MEDLOW16: 1993 case R_SH_PLT_MEDHI16: 1994 case R_SH_PLT_HI16: 1995 /* Relocation is to the entry for this symbol in the 1996 procedure linkage table. */ 1997 1998 /* Resolve a PLT reloc against a local symbol directly, 1999 without using the procedure linkage table. */ 2000 if (h == NULL) 2001 goto final_link_relocate; 2002 2003 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2004 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 2005 goto final_link_relocate; 2006 2007 if (h->plt.offset == (bfd_vma) -1) 2008 { 2009 /* We didn't make a PLT entry for this symbol. This 2010 happens when statically linking PIC code, or when 2011 using -Bsymbolic. */ 2012 goto final_link_relocate; 2013 } 2014 2015 if (splt == NULL) 2016 { 2017 splt = bfd_get_section_by_name (dynobj, ".plt"); 2018 BFD_ASSERT (splt != NULL); 2019 } 2020 2021 relocation = (splt->output_section->vma 2022 + splt->output_offset 2023 + h->plt.offset); 2024 relocation++; 2025 2026 addend = rel->r_addend; 2027 2028 goto final_link_relocate; 2029 2030 case R_SH_DIR32: 2031 case R_SH_SHMEDIA_CODE: 2032 case R_SH_PT_16: 2033 case R_SH_DIR5U: 2034 case R_SH_DIR6S: 2035 case R_SH_DIR6U: 2036 case R_SH_DIR10S: 2037 case R_SH_DIR10SW: 2038 case R_SH_DIR10SL: 2039 case R_SH_DIR10SQ: 2040 case R_SH_IMMS16: 2041 case R_SH_IMMU16: 2042 case R_SH_IMM_LOW16: 2043 case R_SH_IMM_LOW16_PCREL: 2044 case R_SH_IMM_MEDLOW16: 2045 case R_SH_IMM_MEDLOW16_PCREL: 2046 case R_SH_IMM_MEDHI16: 2047 case R_SH_IMM_MEDHI16_PCREL: 2048 case R_SH_IMM_HI16: 2049 case R_SH_IMM_HI16_PCREL: 2050 addend = rel->r_addend; 2051 /* Fall through. */ 2052 case R_SH_REL32: 2053 final_link_relocate: 2054 r = _bfd_final_link_relocate (howto, input_bfd, input_section, 2055 contents, rel->r_offset, 2056 relocation, addend); 2057 break; 2058 2059 default: 2060 bfd_set_error (bfd_error_bad_value); 2061 return FALSE; 2062 2063 } 2064 2065 if (r != bfd_reloc_ok) 2066 { 2067 switch (r) 2068 { 2069 default: 2070 case bfd_reloc_outofrange: 2071 abort (); 2072 case bfd_reloc_overflow: 2073 { 2074 const char *name; 2075 2076 if (h != NULL) 2077 name = NULL; 2078 else 2079 { 2080 name = (bfd_elf_string_from_elf_section 2081 (input_bfd, symtab_hdr->sh_link, sym->st_name)); 2082 if (name == NULL) 2083 return FALSE; 2084 if (*name == '\0') 2085 name = bfd_section_name (input_bfd, sec); 2086 } 2087 if (! ((*info->callbacks->reloc_overflow) 2088 (info, (h ? &h->root : NULL), name, howto->name, 2089 (bfd_vma) 0, input_bfd, input_section, 2090 rel->r_offset))) 2091 return FALSE; 2092 } 2093 break; 2094 } 2095 } 2096 } 2097 2098 return TRUE; 2099} 2100 2101/* This is a version of bfd_generic_get_relocated_section_contents 2102 that uses sh_elf64_relocate_section. 2103 2104 See sh_elf_relocate_section in elf32-sh.c for the original. */ 2105 2106static bfd_byte * 2107sh_elf64_get_relocated_section_contents (bfd *output_bfd, 2108 struct bfd_link_info *link_info, 2109 struct bfd_link_order *link_order, 2110 bfd_byte *data, 2111 bfd_boolean relocatable, 2112 asymbol **symbols) 2113{ 2114 Elf_Internal_Shdr *symtab_hdr; 2115 asection *input_section = link_order->u.indirect.section; 2116 bfd *input_bfd = input_section->owner; 2117 asection **sections = NULL; 2118 Elf_Internal_Rela *internal_relocs = NULL; 2119 Elf_Internal_Sym *isymbuf = NULL; 2120 2121 /* We only need to handle the case of relaxing, or of having a 2122 particular set of section contents, specially. */ 2123 if (relocatable 2124 || elf_section_data (input_section)->this_hdr.contents == NULL) 2125 return bfd_generic_get_relocated_section_contents (output_bfd, link_info, 2126 link_order, data, 2127 relocatable, 2128 symbols); 2129 2130 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; 2131 2132 memcpy (data, elf_section_data (input_section)->this_hdr.contents, 2133 input_section->size); 2134 2135 if ((input_section->flags & SEC_RELOC) != 0 2136 && input_section->reloc_count > 0) 2137 { 2138 Elf_Internal_Sym *isymp; 2139 Elf_Internal_Sym *isymend; 2140 asection **secpp; 2141 2142 /* Read this BFD's local symbols. */ 2143 if (symtab_hdr->sh_info != 0) 2144 { 2145 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; 2146 if (isymbuf == NULL) 2147 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, 2148 symtab_hdr->sh_info, 0, 2149 NULL, NULL, NULL); 2150 if (isymbuf == NULL) 2151 goto error_return; 2152 } 2153 2154 internal_relocs = (_bfd_elf_link_read_relocs 2155 (input_bfd, input_section, NULL, 2156 (Elf_Internal_Rela *) NULL, FALSE)); 2157 if (internal_relocs == NULL) 2158 goto error_return; 2159 2160 sections = (asection **) bfd_malloc (symtab_hdr->sh_info 2161 * sizeof (asection *)); 2162 if (sections == NULL && symtab_hdr->sh_info > 0) 2163 goto error_return; 2164 2165 secpp = sections; 2166 isymend = isymbuf + symtab_hdr->sh_info; 2167 for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp) 2168 { 2169 asection *isec; 2170 2171 if (isymp->st_shndx == SHN_UNDEF) 2172 isec = bfd_und_section_ptr; 2173 else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE) 2174 isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx); 2175 else if (isymp->st_shndx == SHN_ABS) 2176 isec = bfd_abs_section_ptr; 2177 else if (isymp->st_shndx == SHN_COMMON) 2178 isec = bfd_com_section_ptr; 2179 else 2180 { 2181 /* Who knows? */ 2182 isec = NULL; 2183 } 2184 2185 *secpp = isec; 2186 } 2187 2188 if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd, 2189 input_section, data, internal_relocs, 2190 isymbuf, sections)) 2191 goto error_return; 2192 2193 if (sections != NULL) 2194 free (sections); 2195 if (internal_relocs != elf_section_data (input_section)->relocs) 2196 free (internal_relocs); 2197 if (isymbuf != NULL 2198 && (unsigned char *) isymbuf != symtab_hdr->contents) 2199 free (isymbuf); 2200 } 2201 2202 return data; 2203 2204 error_return: 2205 if (sections != NULL) 2206 free (sections); 2207 if (internal_relocs != NULL 2208 && internal_relocs != elf_section_data (input_section)->relocs) 2209 free (internal_relocs); 2210 if (isymbuf != NULL 2211 && (unsigned char *) isymbuf != symtab_hdr->contents) 2212 free (isymbuf); 2213 return NULL; 2214} 2215 2216/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */ 2217 2218static bfd_boolean 2219sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED, 2220 Elf_Internal_Shdr *elf_section_hdr, 2221 asection *asect) 2222{ 2223 /* Code sections can only contain SH64 code, so mark them as such. */ 2224 if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE) 2225 elf_section_hdr->sh_flags |= SHF_SH5_ISA32; 2226 2227 return TRUE; 2228} 2229 2230static bfd_boolean 2231sh_elf64_set_mach_from_flags (bfd *abfd) 2232{ 2233 flagword flags = elf_elfheader (abfd)->e_flags; 2234 2235 switch (flags & EF_SH_MACH_MASK) 2236 { 2237 case EF_SH5: 2238 /* Just one, but keep the switch construct to make additions easy. */ 2239 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5); 2240 break; 2241 2242 default: 2243 bfd_set_error (bfd_error_wrong_format); 2244 return FALSE; 2245 } 2246 return TRUE; 2247} 2248 2249/* Function to keep SH64 specific file flags. 2250 2251 See sh64_elf_set_private_flags in elf32-sh64.c for the original. */ 2252 2253static bfd_boolean 2254sh_elf64_set_private_flags (bfd *abfd, flagword flags) 2255{ 2256 BFD_ASSERT (! elf_flags_init (abfd) 2257 || elf_elfheader (abfd)->e_flags == flags); 2258 2259 elf_elfheader (abfd)->e_flags = flags; 2260 elf_flags_init (abfd) = TRUE; 2261 return sh_elf64_set_mach_from_flags (abfd); 2262} 2263 2264/* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with 2265 code, to keep attributes the same as for SHmedia in 32-bit ELF. */ 2266 2267static bfd_boolean 2268sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd) 2269{ 2270 Elf_Internal_Shdr **o_shdrp; 2271 asection *isec; 2272 asection *osec; 2273 2274 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour 2275 || bfd_get_flavour (obfd) != bfd_target_elf_flavour) 2276 return TRUE; 2277 2278 o_shdrp = elf_elfsections (obfd); 2279 for (osec = obfd->sections; osec; osec = osec->next) 2280 { 2281 int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx; 2282 for (isec = ibfd->sections; isec; isec = isec->next) 2283 { 2284 if (strcmp (osec->name, isec->name) == 0) 2285 { 2286 /* Note that we're not disallowing mixing data and code. */ 2287 if ((elf_section_data (isec)->this_hdr.sh_flags 2288 & SHF_SH5_ISA32) != 0) 2289 o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32; 2290 break; 2291 } 2292 } 2293 } 2294 2295 return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); 2296} 2297 2298static bfd_boolean 2299sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd) 2300{ 2301 return sh_elf64_copy_private_data_internal (ibfd, obfd); 2302} 2303 2304static bfd_boolean 2305sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd) 2306{ 2307 flagword old_flags, new_flags; 2308 2309 if (! _bfd_generic_verify_endian_match (ibfd, obfd)) 2310 return FALSE; 2311 2312 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour 2313 || bfd_get_flavour (obfd) != bfd_target_elf_flavour) 2314 return TRUE; 2315 2316 if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd)) 2317 { 2318 const char *msg; 2319 2320 if (bfd_get_arch_size (ibfd) == 32 2321 && bfd_get_arch_size (obfd) == 64) 2322 msg = _("%s: compiled as 32-bit object and %s is 64-bit"); 2323 else if (bfd_get_arch_size (ibfd) == 64 2324 && bfd_get_arch_size (obfd) == 32) 2325 msg = _("%s: compiled as 64-bit object and %s is 32-bit"); 2326 else 2327 msg = _("%s: object size does not match that of target %s"); 2328 2329 (*_bfd_error_handler) (msg, bfd_get_filename (ibfd), 2330 bfd_get_filename (obfd)); 2331 bfd_set_error (bfd_error_wrong_format); 2332 return FALSE; 2333 } 2334 2335 old_flags = elf_elfheader (obfd)->e_flags; 2336 new_flags = elf_elfheader (ibfd)->e_flags; 2337 if (! elf_flags_init (obfd)) 2338 { 2339 /* This happens when ld starts out with a 'blank' output file. */ 2340 elf_flags_init (obfd) = TRUE; 2341 elf_elfheader (obfd)->e_flags = old_flags = new_flags; 2342 } 2343 /* We don't allow linking in anything else than SH64 code, and since 2344 this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code 2345 here as things change. */ 2346 else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5) 2347 { 2348 (*_bfd_error_handler) 2349 ("%s: does not use the SH64 64-bit ABI as previous modules do", 2350 bfd_get_filename (ibfd)); 2351 bfd_set_error (bfd_error_bad_value); 2352 return FALSE; 2353 } 2354 2355 sh_elf64_copy_private_data_internal (ibfd, obfd); 2356 2357 /* I can't think of anything sane other than old_flags being EF_SH5 and 2358 that we need to preserve that. */ 2359 elf_elfheader (obfd)->e_flags = old_flags; 2360 2361 return sh_elf64_set_mach_from_flags (obfd); 2362} 2363 2364/* Return the section that should be marked against GC for a given 2365 relocation. */ 2366 2367static asection * 2368sh_elf64_gc_mark_hook (asection *sec, 2369 struct bfd_link_info *info, 2370 Elf_Internal_Rela *rel, 2371 struct elf_link_hash_entry *h, 2372 Elf_Internal_Sym *sym) 2373{ 2374 if (h != NULL) 2375 switch (ELF64_R_TYPE (rel->r_info)) 2376 { 2377 case R_SH_GNU_VTINHERIT: 2378 case R_SH_GNU_VTENTRY: 2379 return NULL; 2380 } 2381 2382 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); 2383} 2384 2385/* Look through the relocs for a section during the first phase. 2386 Since we don't do .gots or .plts, we just need to consider the 2387 virtual table relocs for gc. */ 2388 2389static bfd_boolean 2390sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, 2391 asection *sec, const Elf_Internal_Rela *relocs) 2392{ 2393 Elf_Internal_Shdr *symtab_hdr; 2394 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; 2395 const Elf_Internal_Rela *rel; 2396 const Elf_Internal_Rela *rel_end; 2397 bfd *dynobj; 2398 bfd_vma *local_got_offsets; 2399 asection *sgot; 2400 asection *srelgot; 2401 asection *sreloc; 2402 2403 sgot = NULL; 2404 srelgot = NULL; 2405 sreloc = NULL; 2406 2407 if (info->relocatable) 2408 return TRUE; 2409 2410 symtab_hdr = &elf_tdata (abfd)->symtab_hdr; 2411 sym_hashes = elf_sym_hashes (abfd); 2412 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym); 2413 if (!elf_bad_symtab (abfd)) 2414 sym_hashes_end -= symtab_hdr->sh_info; 2415 2416 dynobj = elf_hash_table (info)->dynobj; 2417 local_got_offsets = elf_local_got_offsets (abfd); 2418 2419 rel_end = relocs + sec->reloc_count; 2420 for (rel = relocs; rel < rel_end; rel++) 2421 { 2422 struct elf_link_hash_entry *h; 2423 unsigned long r_symndx; 2424 2425 r_symndx = ELF64_R_SYM (rel->r_info); 2426 if (r_symndx < symtab_hdr->sh_info) 2427 h = NULL; 2428 else 2429 { 2430 h = sym_hashes[r_symndx - symtab_hdr->sh_info]; 2431 while (h->root.type == bfd_link_hash_indirect 2432 || h->root.type == bfd_link_hash_warning) 2433 h = (struct elf_link_hash_entry *) h->root.u.i.link; 2434 } 2435 2436 /* Some relocs require a global offset table. */ 2437 if (dynobj == NULL) 2438 { 2439 switch (ELF64_R_TYPE (rel->r_info)) 2440 { 2441 case R_SH_GOTPLT_LOW16: 2442 case R_SH_GOTPLT_MEDLOW16: 2443 case R_SH_GOTPLT_MEDHI16: 2444 case R_SH_GOTPLT_HI16: 2445 case R_SH_GOTPLT10BY4: 2446 case R_SH_GOTPLT10BY8: 2447 case R_SH_GOT_LOW16: 2448 case R_SH_GOT_MEDLOW16: 2449 case R_SH_GOT_MEDHI16: 2450 case R_SH_GOT_HI16: 2451 case R_SH_GOT10BY4: 2452 case R_SH_GOT10BY8: 2453 case R_SH_GOTOFF_LOW16: 2454 case R_SH_GOTOFF_MEDLOW16: 2455 case R_SH_GOTOFF_MEDHI16: 2456 case R_SH_GOTOFF_HI16: 2457 case R_SH_GOTPC_LOW16: 2458 case R_SH_GOTPC_MEDLOW16: 2459 case R_SH_GOTPC_MEDHI16: 2460 case R_SH_GOTPC_HI16: 2461 elf_hash_table (info)->dynobj = dynobj = abfd; 2462 if (! _bfd_elf_create_got_section (dynobj, info)) 2463 return FALSE; 2464 break; 2465 2466 default: 2467 break; 2468 } 2469 } 2470 2471 switch (ELF64_R_TYPE (rel->r_info)) 2472 { 2473 /* This relocation describes the C++ object vtable hierarchy. 2474 Reconstruct it for later use during GC. */ 2475 case R_SH_GNU_VTINHERIT: 2476 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) 2477 return FALSE; 2478 break; 2479 2480 /* This relocation describes which C++ vtable entries are actually 2481 used. Record for later use during GC. */ 2482 case R_SH_GNU_VTENTRY: 2483 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) 2484 return FALSE; 2485 break; 2486 2487 force_got: 2488 case R_SH_GOT_LOW16: 2489 case R_SH_GOT_MEDLOW16: 2490 case R_SH_GOT_MEDHI16: 2491 case R_SH_GOT_HI16: 2492 case R_SH_GOT10BY4: 2493 case R_SH_GOT10BY8: 2494 /* This symbol requires a global offset table entry. */ 2495 2496 if (sgot == NULL) 2497 { 2498 sgot = bfd_get_section_by_name (dynobj, ".got"); 2499 BFD_ASSERT (sgot != NULL); 2500 } 2501 2502 if (srelgot == NULL 2503 && (h != NULL || info->shared)) 2504 { 2505 srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); 2506 if (srelgot == NULL) 2507 { 2508 srelgot = bfd_make_section_with_flags (dynobj, 2509 ".rela.got", 2510 (SEC_ALLOC 2511 | SEC_LOAD 2512 | SEC_HAS_CONTENTS 2513 | SEC_IN_MEMORY 2514 | SEC_LINKER_CREATED 2515 | SEC_READONLY)); 2516 if (srelgot == NULL 2517 || ! bfd_set_section_alignment (dynobj, srelgot, 2)) 2518 return FALSE; 2519 } 2520 } 2521 2522 if (h != NULL) 2523 { 2524 if (h->type == STT_DATALABEL) 2525 { 2526 struct elf_sh64_link_hash_entry *hsh; 2527 2528 h = (struct elf_link_hash_entry *) h->root.u.i.link; 2529 hsh = (struct elf_sh64_link_hash_entry *)h; 2530 if (hsh->datalabel_got_offset != (bfd_vma) -1) 2531 break; 2532 2533 hsh->datalabel_got_offset = sgot->size; 2534 } 2535 else 2536 { 2537 if (h->got.offset != (bfd_vma) -1) 2538 { 2539 /* We have already allocated space in the .got. */ 2540 break; 2541 } 2542 h->got.offset = sgot->size; 2543 } 2544 2545 /* Make sure this symbol is output as a dynamic symbol. */ 2546 if (h->dynindx == -1) 2547 { 2548 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 2549 return FALSE; 2550 } 2551 2552 srelgot->size += sizeof (Elf64_External_Rela); 2553 } 2554 else 2555 { 2556 /* This is a global offset table entry for a local 2557 symbol. */ 2558 if (local_got_offsets == NULL) 2559 { 2560 size_t size; 2561 register unsigned int i; 2562 2563 size = symtab_hdr->sh_info * sizeof (bfd_vma); 2564 /* Reserve space for both the datalabel and 2565 codelabel local GOT offsets. */ 2566 size *= 2; 2567 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); 2568 if (local_got_offsets == NULL) 2569 return FALSE; 2570 elf_local_got_offsets (abfd) = local_got_offsets; 2571 for (i = 0; i < symtab_hdr->sh_info; i++) 2572 local_got_offsets[i] = (bfd_vma) -1; 2573 for (; i < 2 * symtab_hdr->sh_info; i++) 2574 local_got_offsets[i] = (bfd_vma) -1; 2575 } 2576 if ((rel->r_addend & 1) != 0) 2577 { 2578 if (local_got_offsets[symtab_hdr->sh_info 2579 + r_symndx] != (bfd_vma) -1) 2580 { 2581 /* We have already allocated space in the .got. */ 2582 break; 2583 } 2584 local_got_offsets[symtab_hdr->sh_info 2585 + r_symndx] = sgot->size; 2586 } 2587 else 2588 { 2589 if (local_got_offsets[r_symndx] != (bfd_vma) -1) 2590 { 2591 /* We have already allocated space in the .got. */ 2592 break; 2593 } 2594 local_got_offsets[r_symndx] = sgot->size; 2595 } 2596 2597 if (info->shared) 2598 { 2599 /* If we are generating a shared object, we need to 2600 output a R_SH_RELATIVE reloc so that the dynamic 2601 linker can adjust this GOT entry. */ 2602 srelgot->size += sizeof (Elf64_External_Rela); 2603 } 2604 } 2605 2606 sgot->size += 8; 2607 2608 break; 2609 2610 case R_SH_GOTPLT_LOW16: 2611 case R_SH_GOTPLT_MEDLOW16: 2612 case R_SH_GOTPLT_MEDHI16: 2613 case R_SH_GOTPLT_HI16: 2614 case R_SH_GOTPLT10BY4: 2615 case R_SH_GOTPLT10BY8: 2616 /* If this is a local symbol, we resolve it directly without 2617 creating a procedure linkage table entry. */ 2618 2619 if (h == NULL 2620 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2621 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN 2622 || ! info->shared 2623 || info->symbolic 2624 || h->dynindx == -1 2625 || h->got.offset != (bfd_vma) -1) 2626 goto force_got; 2627 2628 /* Make sure this symbol is output as a dynamic symbol. */ 2629 if (h->dynindx == -1) 2630 { 2631 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 2632 return FALSE; 2633 } 2634 2635 h->needs_plt = 1; 2636 2637 break; 2638 2639 case R_SH_PLT_LOW16: 2640 case R_SH_PLT_MEDLOW16: 2641 case R_SH_PLT_MEDHI16: 2642 case R_SH_PLT_HI16: 2643 /* This symbol requires a procedure linkage table entry. We 2644 actually build the entry in adjust_dynamic_symbol, 2645 because this might be a case of linking PIC code which is 2646 never referenced by a dynamic object, in which case we 2647 don't need to generate a procedure linkage table entry 2648 after all. */ 2649 2650 /* If this is a local symbol, we resolve it directly without 2651 creating a procedure linkage table entry. */ 2652 if (h == NULL) 2653 continue; 2654 2655 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL 2656 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) 2657 break; 2658 2659 h->needs_plt = 1; 2660 2661 break; 2662 2663 case R_SH_64: 2664 case R_SH_64_PCREL: 2665 if (h != NULL) 2666 h->non_got_ref = 1; 2667 2668 /* If we are creating a shared library, and this is a reloc 2669 against a global symbol, or a non PC relative reloc 2670 against a local symbol, then we need to copy the reloc 2671 into the shared library. However, if we are linking with 2672 -Bsymbolic, we do not need to copy a reloc against a 2673 global symbol which is defined in an object we are 2674 including in the link (i.e., DEF_REGULAR is set). At 2675 this point we have not seen all the input files, so it is 2676 possible that DEF_REGULAR is not set now but will be set 2677 later (it is never cleared). We account for that 2678 possibility below by storing information in the 2679 pcrel_relocs_copied field of the hash table entry. */ 2680 if (info->shared 2681 && (sec->flags & SEC_ALLOC) != 0 2682 && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL 2683 || (h != NULL 2684 && (! info->symbolic 2685 || !h->def_regular)))) 2686 { 2687 /* When creating a shared object, we must copy these 2688 reloc types into the output file. We create a reloc 2689 section in dynobj and make room for this reloc. */ 2690 if (sreloc == NULL) 2691 { 2692 const char *name; 2693 2694 name = (bfd_elf_string_from_elf_section 2695 (abfd, 2696 elf_elfheader (abfd)->e_shstrndx, 2697 elf_section_data (sec)->rel_hdr.sh_name)); 2698 if (name == NULL) 2699 return FALSE; 2700 2701 BFD_ASSERT (CONST_STRNEQ (name, ".rela") 2702 && strcmp (bfd_get_section_name (abfd, sec), 2703 name + 5) == 0); 2704 2705 sreloc = bfd_get_section_by_name (dynobj, name); 2706 if (sreloc == NULL) 2707 { 2708 flagword flags; 2709 2710 flags = (SEC_HAS_CONTENTS | SEC_READONLY 2711 | SEC_IN_MEMORY | SEC_LINKER_CREATED); 2712 if ((sec->flags & SEC_ALLOC) != 0) 2713 flags |= SEC_ALLOC | SEC_LOAD; 2714 sreloc = bfd_make_section_with_flags (dynobj, 2715 name, 2716 flags); 2717 if (sreloc == NULL 2718 || ! bfd_set_section_alignment (dynobj, sreloc, 2)) 2719 return FALSE; 2720 } 2721 } 2722 2723 sreloc->size += sizeof (Elf64_External_Rela); 2724 2725 /* If we are linking with -Bsymbolic, and this is a 2726 global symbol, we count the number of PC relative 2727 relocations we have entered for this symbol, so that 2728 we can discard them again if the symbol is later 2729 defined by a regular object. Note that this function 2730 is only called if we are using an elf_sh linker 2731 hash table, which means that h is really a pointer to 2732 an elf_sh_link_hash_entry. */ 2733 if (h != NULL && info->symbolic 2734 && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL) 2735 { 2736 struct elf_sh64_link_hash_entry *eh; 2737 struct elf_sh64_pcrel_relocs_copied *p; 2738 2739 eh = (struct elf_sh64_link_hash_entry *) h; 2740 2741 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) 2742 if (p->section == sreloc) 2743 break; 2744 2745 if (p == NULL) 2746 { 2747 p = ((struct elf_sh64_pcrel_relocs_copied *) 2748 bfd_alloc (dynobj, sizeof *p)); 2749 if (p == NULL) 2750 return FALSE; 2751 p->next = eh->pcrel_relocs_copied; 2752 eh->pcrel_relocs_copied = p; 2753 p->section = sreloc; 2754 p->count = 0; 2755 } 2756 2757 ++p->count; 2758 } 2759 } 2760 2761 break; 2762 } 2763 } 2764 2765 return TRUE; 2766} 2767 2768static int 2769sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type) 2770{ 2771 if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL) 2772 return STT_DATALABEL; 2773 2774 return type; 2775} 2776 2777/* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c. 2778 Either file can presumably exist without the other, but do not differ 2779 in elf-size-ness. How to share? 2780 2781 Hook called by the linker routine which adds symbols from an object 2782 file. We must make indirect symbols for undefined symbols marked with 2783 STT_DATALABEL, so relocations passing them will pick up that attribute 2784 and neutralize STO_SH5_ISA32 found on the symbol definition. 2785 2786 There is a problem, though: We want to fill in the hash-table entry for 2787 this symbol and signal to the caller that no further processing is 2788 needed. But we don't have the index for this hash-table entry. We 2789 rely here on that the current entry is the first hash-entry with NULL, 2790 which seems brittle. Also, iterating over the hash-table to find that 2791 entry is a linear operation on the number of symbols in this input 2792 file, and this function should take constant time, so that's not good 2793 too. Only comfort is that DataLabel references should only be found in 2794 hand-written assembly code and thus be rare. FIXME: Talk maintainers 2795 into adding an option to elf_add_symbol_hook (preferably) for the index 2796 or the hash entry, alternatively adding the index to Elf_Internal_Sym 2797 (not so good). */ 2798 2799static bfd_boolean 2800sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, 2801 Elf_Internal_Sym *sym, const char **namep, 2802 flagword *flagsp ATTRIBUTE_UNUSED, 2803 asection **secp, bfd_vma *valp) 2804{ 2805 /* We want to do this for relocatable as well as final linking. */ 2806 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL 2807 && is_elf_hash_table (info->hash)) 2808 { 2809 struct elf_link_hash_entry *h; 2810 2811 /* For relocatable links, we register the DataLabel sym in its own 2812 right, and tweak the name when it's output. Otherwise, we make 2813 an indirect symbol of it. */ 2814 flagword flags 2815 = info->relocatable || info->emitrelocations 2816 ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT; 2817 2818 char *dl_name 2819 = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX)); 2820 struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd); 2821 2822 BFD_ASSERT (sym_hash != NULL); 2823 2824 /* Allocation may fail. */ 2825 if (dl_name == NULL) 2826 return FALSE; 2827 2828 strcpy (dl_name, *namep); 2829 strcat (dl_name, DATALABEL_SUFFIX); 2830 2831 h = (struct elf_link_hash_entry *) 2832 bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE); 2833 2834 if (h == NULL) 2835 { 2836 /* No previous datalabel symbol. Make one. */ 2837 struct bfd_link_hash_entry *bh = NULL; 2838 const struct elf_backend_data *bed = get_elf_backend_data (abfd); 2839 2840 if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name, 2841 flags, *secp, *valp, 2842 *namep, FALSE, 2843 bed->collect, &bh)) 2844 { 2845 free (dl_name); 2846 return FALSE; 2847 } 2848 2849 h = (struct elf_link_hash_entry *) bh; 2850 h->non_elf = 0; 2851 h->type = STT_DATALABEL; 2852 } 2853 else 2854 /* If a new symbol was created, it holds the allocated name. 2855 Otherwise, we don't need it anymore and should deallocate it. */ 2856 free (dl_name); 2857 2858 if (h->type != STT_DATALABEL 2859 || ((info->relocatable || info->emitrelocations) 2860 && h->root.type != bfd_link_hash_undefined) 2861 || (! info->relocatable && !info->emitrelocations 2862 && h->root.type != bfd_link_hash_indirect)) 2863 { 2864 /* Make sure we don't get confused on invalid input. */ 2865 (*_bfd_error_handler) 2866 (_("%s: encountered datalabel symbol in input"), 2867 bfd_get_filename (abfd)); 2868 bfd_set_error (bfd_error_bad_value); 2869 return FALSE; 2870 } 2871 2872 /* Now find the hash-table slot for this entry and fill it in. */ 2873 while (*sym_hash != NULL) 2874 sym_hash++; 2875 *sym_hash = h; 2876 2877 /* Signal to caller to skip this symbol - we've handled it. */ 2878 *namep = NULL; 2879 } 2880 2881 return TRUE; 2882} 2883 2884/* This hook function is called before the linker writes out a global 2885 symbol. For relocatable links, DataLabel symbols will be present in 2886 linker output. We cut off the special suffix on those symbols, so the 2887 right name appears in the output. 2888 2889 When linking and emitting relocations, there can appear global symbols 2890 that are not referenced by relocs, but rather only implicitly through 2891 DataLabel references, a relation that is not visible to the linker. 2892 Since no stripping of global symbols in done when doing such linking, 2893 we don't need to look up and make sure to emit the main symbol for each 2894 DataLabel symbol. */ 2895 2896static bfd_boolean 2897sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info, 2898 const char *cname, 2899 Elf_Internal_Sym *sym, 2900 asection *input_sec ATTRIBUTE_UNUSED, 2901 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) 2902{ 2903 char *name = (char *) cname; 2904 2905 if (info->relocatable || info->emitrelocations) 2906 { 2907 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL) 2908 name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0; 2909 } 2910 2911 return TRUE; 2912} 2913 2914/* Set bit 0 on the entry address; it always points to SHmedia code. This 2915 is mostly for symmetry with the 32-bit format, where code can be 2916 SHcompact and we need to make a distinction to make sure execution 2917 starts in the right ISA mode. It is also convenient for a loader, 2918 which would otherwise have to set this bit when loading a TR register 2919 before jumping to the program entry. */ 2920 2921static void 2922sh64_elf64_final_write_processing (bfd *abfd, 2923 bfd_boolean linker ATTRIBUTE_UNUSED) 2924{ 2925 /* FIXME: Perhaps we shouldn't do this if the entry address was supplied 2926 numerically, but we currently lack the infrastructure to recognize 2927 that: The entry symbol, and info whether it is numeric or a symbol 2928 name is kept private in the linker. */ 2929 if (elf_elfheader (abfd)->e_type == ET_EXEC) 2930 elf_elfheader (abfd)->e_entry |= 1; 2931} 2932 2933/* First entry in an absolute procedure linkage table look like this. */ 2934 2935static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] = 2936{ 2937 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */ 2938 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */ 2939 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */ 2940 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ 2941 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ 2942 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 2943 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ 2944 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 2945 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2946 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2947 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2948 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2949 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2950 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2951 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2952 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2953}; 2954 2955static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] = 2956{ 2957 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ 2958 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */ 2959 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */ 2960 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ 2961 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ 2962 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 2963 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ 2964 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 2965 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2966 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2967 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2968 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2969 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2970 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2971 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2972 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 2973}; 2974 2975/* Sebsequent entries in an absolute procedure linkage table look like 2976 this. */ 2977 2978static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] = 2979{ 2980 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */ 2981 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */ 2982 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */ 2983 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ 2984 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */ 2985 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 2986 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 2987 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2988 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */ 2989 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */ 2990 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */ 2991 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ 2992 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ 2993 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 2994 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2995 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 2996}; 2997 2998static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] = 2999{ 3000 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ 3001 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3002 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3003 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ 3004 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */ 3005 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3006 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3007 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3008 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */ 3009 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */ 3010 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */ 3011 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ 3012 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ 3013 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3014 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3015 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3016}; 3017 3018/* Entries in a PIC procedure linkage table look like this. */ 3019 3020static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] = 3021{ 3022 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ 3023 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ 3024 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */ 3025 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 3026 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3027 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3028 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3029 0x6f, 0xf0, 0xff, 0xf0, /* nop */ 3030 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ 3031 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */ 3032 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ 3033 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ 3034 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ 3035 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ 3036 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ 3037 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ 3038}; 3039 3040static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] = 3041{ 3042 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ 3043 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ 3044 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */ 3045 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3046 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3047 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3048 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3049 0xf0, 0xff, 0xf0, 0x6f, /* nop */ 3050 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ 3051 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */ 3052 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ 3053 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ 3054 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ 3055 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ 3056 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ 3057 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ 3058}; 3059 3060static const bfd_byte *elf_sh64_plt0_entry; 3061static const bfd_byte *elf_sh64_plt_entry; 3062static const bfd_byte *elf_sh64_pic_plt_entry; 3063 3064/* Create an entry in an sh ELF linker hash table. */ 3065 3066static struct bfd_hash_entry * 3067sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry, 3068 struct bfd_hash_table *table, 3069 const char *string) 3070{ 3071 struct elf_sh64_link_hash_entry *ret = 3072 (struct elf_sh64_link_hash_entry *) entry; 3073 3074 /* Allocate the structure if it has not already been allocated by a 3075 subclass. */ 3076 if (ret == (struct elf_sh64_link_hash_entry *) NULL) 3077 ret = ((struct elf_sh64_link_hash_entry *) 3078 bfd_hash_allocate (table, 3079 sizeof (struct elf_sh64_link_hash_entry))); 3080 if (ret == (struct elf_sh64_link_hash_entry *) NULL) 3081 return (struct bfd_hash_entry *) ret; 3082 3083 /* Call the allocation method of the superclass. */ 3084 ret = ((struct elf_sh64_link_hash_entry *) 3085 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, 3086 table, string)); 3087 if (ret != (struct elf_sh64_link_hash_entry *) NULL) 3088 { 3089 ret->pcrel_relocs_copied = NULL; 3090 ret->datalabel_got_offset = (bfd_vma) -1; 3091 } 3092 3093 return (struct bfd_hash_entry *) ret; 3094} 3095 3096/* Create an sh64 ELF linker hash table. */ 3097 3098static struct bfd_link_hash_table * 3099sh64_elf64_link_hash_table_create (bfd *abfd) 3100{ 3101 struct elf_sh64_link_hash_table *ret; 3102 3103 ret = ((struct elf_sh64_link_hash_table *) 3104 bfd_malloc (sizeof (struct elf_sh64_link_hash_table))); 3105 if (ret == (struct elf_sh64_link_hash_table *) NULL) 3106 return NULL; 3107 3108 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, 3109 sh64_elf64_link_hash_newfunc, 3110 sizeof (struct elf_sh64_link_hash_entry))) 3111 { 3112 free (ret); 3113 return NULL; 3114 } 3115 3116 return &ret->root.root; 3117} 3118 3119inline static void 3120movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr) 3121{ 3122 bfd_put_32 (output_bfd, 3123 bfd_get_32 (output_bfd, addr) 3124 | ((value >> 6) & 0x3fffc00), 3125 addr); 3126 bfd_put_32 (output_bfd, 3127 bfd_get_32 (output_bfd, addr + 4) 3128 | ((value << 10) & 0x3fffc00), 3129 addr + 4); 3130} 3131 3132inline static void 3133movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr) 3134{ 3135 bfd_put_32 (output_bfd, 3136 bfd_get_32 (output_bfd, addr) 3137 | ((value >> 38) & 0x3fffc00), 3138 addr); 3139 bfd_put_32 (output_bfd, 3140 bfd_get_32 (output_bfd, addr + 4) 3141 | ((value >> 22) & 0x3fffc00), 3142 addr + 4); 3143 bfd_put_32 (output_bfd, 3144 bfd_get_32 (output_bfd, addr + 8) 3145 | ((value >> 6) & 0x3fffc00), 3146 addr + 8); 3147 bfd_put_32 (output_bfd, 3148 bfd_get_32 (output_bfd, addr + 12) 3149 | ((value << 10) & 0x3fffc00), 3150 addr + 12); 3151} 3152 3153/* Create dynamic sections when linking against a dynamic object. */ 3154 3155static bfd_boolean 3156sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) 3157{ 3158 flagword flags, pltflags; 3159 register asection *s; 3160 const struct elf_backend_data *bed = get_elf_backend_data (abfd); 3161 int ptralign = 0; 3162 3163 switch (bed->s->arch_size) 3164 { 3165 case 32: 3166 ptralign = 2; 3167 break; 3168 3169 case 64: 3170 ptralign = 3; 3171 break; 3172 3173 default: 3174 bfd_set_error (bfd_error_bad_value); 3175 return FALSE; 3176 } 3177 3178 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and 3179 .rel[a].bss sections. */ 3180 3181 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY 3182 | SEC_LINKER_CREATED); 3183 3184 pltflags = flags; 3185 pltflags |= SEC_CODE; 3186 if (bed->plt_not_loaded) 3187 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); 3188 if (bed->plt_readonly) 3189 pltflags |= SEC_READONLY; 3190 3191 s = bfd_make_section_with_flags (abfd, ".plt", pltflags); 3192 if (s == NULL 3193 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) 3194 return FALSE; 3195 3196 if (bed->want_plt_sym) 3197 { 3198 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the 3199 .plt section. */ 3200 struct elf_link_hash_entry *h; 3201 struct bfd_link_hash_entry *bh = NULL; 3202 3203 if (! (_bfd_generic_link_add_one_symbol 3204 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, 3205 (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh))) 3206 return FALSE; 3207 3208 h = (struct elf_link_hash_entry *) bh; 3209 h->def_regular = 1; 3210 h->type = STT_OBJECT; 3211 elf_hash_table (info)->hplt = h; 3212 3213 if (info->shared 3214 && ! bfd_elf_link_record_dynamic_symbol (info, h)) 3215 return FALSE; 3216 } 3217 3218 s = bfd_make_section_with_flags (abfd, 3219 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt", 3220 flags | SEC_READONLY); 3221 if (s == NULL 3222 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3223 return FALSE; 3224 3225 if (! _bfd_elf_create_got_section (abfd, info)) 3226 return FALSE; 3227 3228 { 3229 const char *secname; 3230 char *relname; 3231 flagword secflags; 3232 asection *sec; 3233 3234 for (sec = abfd->sections; sec; sec = sec->next) 3235 { 3236 secflags = bfd_get_section_flags (abfd, sec); 3237 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED)) 3238 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS)) 3239 continue; 3240 secname = bfd_get_section_name (abfd, sec); 3241 relname = (char *) bfd_malloc (strlen (secname) + 6); 3242 strcpy (relname, ".rela"); 3243 strcat (relname, secname); 3244 s = bfd_make_section_with_flags (abfd, relname, 3245 flags | SEC_READONLY); 3246 if (s == NULL 3247 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3248 return FALSE; 3249 } 3250 } 3251 3252 if (bed->want_dynbss) 3253 { 3254 /* The .dynbss section is a place to put symbols which are defined 3255 by dynamic objects, are referenced by regular objects, and are 3256 not functions. We must allocate space for them in the process 3257 image and use a R_*_COPY reloc to tell the dynamic linker to 3258 initialize them at run time. The linker script puts the .dynbss 3259 section into the .bss section of the final image. */ 3260 s = bfd_make_section_with_flags (abfd, ".dynbss", 3261 SEC_ALLOC | SEC_LINKER_CREATED); 3262 if (s == NULL) 3263 return FALSE; 3264 3265 /* The .rel[a].bss section holds copy relocs. This section is not 3266 normally needed. We need to create it here, though, so that the 3267 linker will map it to an output section. We can't just create it 3268 only if we need it, because we will not know whether we need it 3269 until we have seen all the input files, and the first time the 3270 main linker code calls BFD after examining all the input files 3271 (size_dynamic_sections) the input sections have already been 3272 mapped to the output sections. If the section turns out not to 3273 be needed, we can discard it later. We will never need this 3274 section when generating a shared object, since they do not use 3275 copy relocs. */ 3276 if (! info->shared) 3277 { 3278 s = bfd_make_section_with_flags (abfd, 3279 (bed->default_use_rela_p 3280 ? ".rela.bss" : ".rel.bss"), 3281 flags | SEC_READONLY); 3282 if (s == NULL 3283 || ! bfd_set_section_alignment (abfd, s, ptralign)) 3284 return FALSE; 3285 } 3286 } 3287 3288 return TRUE; 3289} 3290 3291/* Adjust a symbol defined by a dynamic object and referenced by a 3292 regular object. The current definition is in some section of the 3293 dynamic object, but we're not including those sections. We have to 3294 change the definition to something the rest of the link can 3295 understand. */ 3296 3297static bfd_boolean 3298sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, 3299 struct elf_link_hash_entry *h) 3300{ 3301 bfd *dynobj; 3302 asection *s; 3303 unsigned int power_of_two; 3304 3305 dynobj = elf_hash_table (info)->dynobj; 3306 3307 /* Make sure we know what is going on here. */ 3308 BFD_ASSERT (dynobj != NULL 3309 && (h->needs_plt 3310 || h->u.weakdef != NULL 3311 || (h->def_dynamic 3312 && h->ref_regular 3313 && !h->def_regular))); 3314 3315 /* If this is a function, put it in the procedure linkage table. We 3316 will fill in the contents of the procedure linkage table later, 3317 when we know the address of the .got section. */ 3318 if (h->type == STT_FUNC 3319 || h->needs_plt) 3320 { 3321 if (! info->shared 3322 && !h->def_dynamic 3323 && !h->ref_dynamic) 3324 { 3325 /* This case can occur if we saw a PLT reloc in an input 3326 file, but the symbol was never referred to by a dynamic 3327 object. In such a case, we don't actually need to build 3328 a procedure linkage table, and we can just do a REL64 3329 reloc instead. */ 3330 BFD_ASSERT (h->needs_plt); 3331 return TRUE; 3332 } 3333 3334 /* Make sure this symbol is output as a dynamic symbol. */ 3335 if (h->dynindx == -1) 3336 { 3337 if (! bfd_elf_link_record_dynamic_symbol (info, h)) 3338 return FALSE; 3339 } 3340 3341 s = bfd_get_section_by_name (dynobj, ".plt"); 3342 BFD_ASSERT (s != NULL); 3343 3344 /* If this is the first .plt entry, make room for the special 3345 first entry. */ 3346 if (s->size == 0) 3347 s->size += PLT_ENTRY_SIZE; 3348 3349 /* If this symbol is not defined in a regular file, and we are 3350 not generating a shared library, then set the symbol to this 3351 location in the .plt. This is required to make function 3352 pointers compare as equal between the normal executable and 3353 the shared library. */ 3354 if (! info->shared 3355 && !h->def_regular) 3356 { 3357 h->root.u.def.section = s; 3358 h->root.u.def.value = s->size; 3359 } 3360 3361 h->plt.offset = s->size; 3362 3363 /* Make room for this entry. */ 3364 s->size += elf_sh64_sizeof_plt (info); 3365 3366 /* We also need to make an entry in the .got.plt section, which 3367 will be placed in the .got section by the linker script. */ 3368 3369 s = bfd_get_section_by_name (dynobj, ".got.plt"); 3370 BFD_ASSERT (s != NULL); 3371 s->size += 8; 3372 3373 /* We also need to make an entry in the .rela.plt section. */ 3374 3375 s = bfd_get_section_by_name (dynobj, ".rela.plt"); 3376 BFD_ASSERT (s != NULL); 3377 s->size += sizeof (Elf64_External_Rela); 3378 3379 return TRUE; 3380 } 3381 3382 /* If this is a weak symbol, and there is a real definition, the 3383 processor independent code will have arranged for us to see the 3384 real definition first, and we can just use the same value. */ 3385 if (h->u.weakdef != NULL) 3386 { 3387 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined 3388 || h->u.weakdef->root.type == bfd_link_hash_defweak); 3389 h->root.u.def.section = h->u.weakdef->root.u.def.section; 3390 h->root.u.def.value = h->u.weakdef->root.u.def.value; 3391 return TRUE; 3392 } 3393 3394 /* This is a reference to a symbol defined by a dynamic object which 3395 is not a function. */ 3396 3397 /* If we are creating a shared library, we must presume that the 3398 only references to the symbol are via the global offset table. 3399 For such cases we need not do anything here; the relocations will 3400 be handled correctly by relocate_section. */ 3401 if (info->shared) 3402 return TRUE; 3403 3404 /* If there are no references to this symbol that do not use the 3405 GOT, we don't need to generate a copy reloc. */ 3406 if (!h->non_got_ref) 3407 return TRUE; 3408 3409 if (h->size == 0) 3410 { 3411 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"), 3412 h->root.root.string); 3413 return TRUE; 3414 } 3415 3416 /* We must allocate the symbol in our .dynbss section, which will 3417 become part of the .bss section of the executable. There will be 3418 an entry for this symbol in the .dynsym section. The dynamic 3419 object will contain position independent code, so all references 3420 from the dynamic object to this symbol will go through the global 3421 offset table. The dynamic linker will use the .dynsym entry to 3422 determine the address it must put in the global offset table, so 3423 both the dynamic object and the regular object will refer to the 3424 same memory location for the variable. */ 3425 3426 s = bfd_get_section_by_name (dynobj, ".dynbss"); 3427 BFD_ASSERT (s != NULL); 3428 3429 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to 3430 copy the initial value out of the dynamic object and into the 3431 runtime process image. We need to remember the offset into the 3432 .rela.bss section we are going to use. */ 3433 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) 3434 { 3435 asection *srel; 3436 3437 srel = bfd_get_section_by_name (dynobj, ".rela.bss"); 3438 BFD_ASSERT (srel != NULL); 3439 srel->size += sizeof (Elf64_External_Rela); 3440 h->needs_copy = 1; 3441 } 3442 3443 /* We need to figure out the alignment required for this symbol. I 3444 have no idea how ELF linkers handle this. */ 3445 power_of_two = bfd_log2 (h->size); 3446 if (power_of_two > 3) 3447 power_of_two = 3; 3448 3449 /* Apply the required alignment. */ 3450 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two)); 3451 if (power_of_two > bfd_get_section_alignment (dynobj, s)) 3452 { 3453 if (! bfd_set_section_alignment (dynobj, s, power_of_two)) 3454 return FALSE; 3455 } 3456 3457 /* Define the symbol as being at this point in the section. */ 3458 h->root.u.def.section = s; 3459 h->root.u.def.value = s->size; 3460 3461 /* Increment the section size to make room for the symbol. */ 3462 s->size += h->size; 3463 3464 return TRUE; 3465} 3466 3467/* This function is called via sh_elf_link_hash_traverse if we are 3468 creating a shared object with -Bsymbolic. It discards the space 3469 allocated to copy PC relative relocs against symbols which are 3470 defined in regular objects. We allocated space for them in the 3471 check_relocs routine, but we won't fill them in in the 3472 relocate_section routine. */ 3473 3474static bfd_boolean 3475sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h, 3476 void *ignore ATTRIBUTE_UNUSED) 3477{ 3478 struct elf_sh64_pcrel_relocs_copied *s; 3479 3480 if (h->root.root.type == bfd_link_hash_warning) 3481 h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link; 3482 3483 /* We only discard relocs for symbols defined in a regular object. */ 3484 if (!h->root.def_regular) 3485 return TRUE; 3486 3487 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) 3488 s->section->size -= s->count * sizeof (Elf64_External_Rela); 3489 3490 return TRUE; 3491} 3492 3493/* Set the sizes of the dynamic sections. */ 3494 3495static bfd_boolean 3496sh64_elf64_size_dynamic_sections (bfd *output_bfd, 3497 struct bfd_link_info *info) 3498{ 3499 bfd *dynobj; 3500 asection *s; 3501 bfd_boolean plt; 3502 bfd_boolean relocs; 3503 bfd_boolean reltext; 3504 3505 dynobj = elf_hash_table (info)->dynobj; 3506 BFD_ASSERT (dynobj != NULL); 3507 3508 if (elf_hash_table (info)->dynamic_sections_created) 3509 { 3510 /* Set the contents of the .interp section to the interpreter. */ 3511 if (info->executable) 3512 { 3513 s = bfd_get_section_by_name (dynobj, ".interp"); 3514 BFD_ASSERT (s != NULL); 3515 s->size = sizeof ELF_DYNAMIC_INTERPRETER; 3516 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; 3517 } 3518 } 3519 else 3520 { 3521 /* We may have created entries in the .rela.got section. 3522 However, if we are not creating the dynamic sections, we will 3523 not actually use these entries. Reset the size of .rela.got, 3524 which will cause it to get stripped from the output file 3525 below. */ 3526 s = bfd_get_section_by_name (dynobj, ".rela.got"); 3527 if (s != NULL) 3528 s->size = 0; 3529 } 3530 3531 /* If this is a -Bsymbolic shared link, then we need to discard all 3532 PC relative relocs against symbols defined in a regular object. 3533 We allocated space for them in the check_relocs routine, but we 3534 will not fill them in in the relocate_section routine. */ 3535 if (info->shared && info->symbolic) 3536 sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info), 3537 sh64_elf64_discard_copies, NULL); 3538 3539 /* The check_relocs and adjust_dynamic_symbol entry points have 3540 determined the sizes of the various dynamic sections. Allocate 3541 memory for them. */ 3542 plt = FALSE; 3543 relocs = FALSE; 3544 reltext = FALSE; 3545 for (s = dynobj->sections; s != NULL; s = s->next) 3546 { 3547 const char *name; 3548 3549 if ((s->flags & SEC_LINKER_CREATED) == 0) 3550 continue; 3551 3552 /* It's OK to base decisions on the section name, because none 3553 of the dynobj section names depend upon the input files. */ 3554 name = bfd_get_section_name (dynobj, s); 3555 3556 if (strcmp (name, ".plt") == 0) 3557 { 3558 /* Remember whether there is a PLT. */ 3559 plt = s->size != 0; 3560 } 3561 else if (CONST_STRNEQ (name, ".rela")) 3562 { 3563 if (s->size != 0) 3564 { 3565 asection *target; 3566 3567 /* Remember whether there are any reloc sections other 3568 than .rela.plt. */ 3569 if (strcmp (name, ".rela.plt") != 0) 3570 { 3571 const char *outname; 3572 3573 relocs = TRUE; 3574 3575 /* If this relocation section applies to a read only 3576 section, then we probably need a DT_TEXTREL 3577 entry. The entries in the .rela.plt section 3578 really apply to the .got section, which we 3579 created ourselves and so know is not readonly. */ 3580 outname = bfd_get_section_name (output_bfd, 3581 s->output_section); 3582 target = bfd_get_section_by_name (output_bfd, outname + 5); 3583 if (target != NULL 3584 && (target->flags & SEC_READONLY) != 0 3585 && (target->flags & SEC_ALLOC) != 0) 3586 reltext = TRUE; 3587 } 3588 3589 /* We use the reloc_count field as a counter if we need 3590 to copy relocs into the output file. */ 3591 s->reloc_count = 0; 3592 } 3593 } 3594 else if (! CONST_STRNEQ (name, ".got") 3595 && strcmp (name, ".dynbss") != 0) 3596 { 3597 /* It's not one of our sections, so don't allocate space. */ 3598 continue; 3599 } 3600 3601 if (s->size == 0) 3602 { 3603 /* If we don't need this section, strip it from the 3604 output file. This is mostly to handle .rela.bss and 3605 .rela.plt. We must create both sections in 3606 create_dynamic_sections, because they must be created 3607 before the linker maps input sections to output 3608 sections. The linker does that before 3609 adjust_dynamic_symbol is called, and it is that 3610 function which decides whether anything needs to go 3611 into these sections. */ 3612 s->flags |= SEC_EXCLUDE; 3613 continue; 3614 } 3615 3616 if ((s->flags & SEC_HAS_CONTENTS) == 0) 3617 continue; 3618 3619 /* Allocate memory for the section contents. */ 3620 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); 3621 if (s->contents == NULL) 3622 return FALSE; 3623 } 3624 3625 if (elf_hash_table (info)->dynamic_sections_created) 3626 { 3627 /* Add some entries to the .dynamic section. We fill in the 3628 values later, in sh64_elf64_finish_dynamic_sections, but we 3629 must add the entries now so that we get the correct size for 3630 the .dynamic section. The DT_DEBUG entry is filled in by the 3631 dynamic linker and used by the debugger. */ 3632 if (info->executable) 3633 { 3634 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0)) 3635 return FALSE; 3636 } 3637 3638 if (plt) 3639 { 3640 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0) 3641 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0) 3642 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA) 3643 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0)) 3644 return FALSE; 3645 } 3646 3647 if (relocs) 3648 { 3649 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0) 3650 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0) 3651 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT, 3652 sizeof (Elf64_External_Rela))) 3653 return FALSE; 3654 } 3655 3656 if (reltext) 3657 { 3658 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0)) 3659 return FALSE; 3660 } 3661 } 3662 3663 return TRUE; 3664} 3665 3666/* Finish up dynamic symbol handling. We set the contents of various 3667 dynamic sections here. */ 3668 3669static bfd_boolean 3670sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, 3671 struct bfd_link_info *info, 3672 struct elf_link_hash_entry *h, 3673 Elf_Internal_Sym *sym) 3674{ 3675 bfd *dynobj; 3676 3677 dynobj = elf_hash_table (info)->dynobj; 3678 3679 if (h->plt.offset != (bfd_vma) -1) 3680 { 3681 asection *splt; 3682 asection *sgot; 3683 asection *srel; 3684 3685 bfd_vma plt_index; 3686 bfd_vma got_offset; 3687 Elf_Internal_Rela rel; 3688 bfd_byte *loc; 3689 3690 /* This symbol has an entry in the procedure linkage table. Set 3691 it up. */ 3692 3693 BFD_ASSERT (h->dynindx != -1); 3694 3695 splt = bfd_get_section_by_name (dynobj, ".plt"); 3696 sgot = bfd_get_section_by_name (dynobj, ".got.plt"); 3697 srel = bfd_get_section_by_name (dynobj, ".rela.plt"); 3698 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); 3699 3700 /* Get the index in the procedure linkage table which 3701 corresponds to this symbol. This is the index of this symbol 3702 in all the symbols for which we are making plt entries. The 3703 first entry in the procedure linkage table is reserved. */ 3704 plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1; 3705 3706 /* Get the offset into the .got table of the entry that 3707 corresponds to this function. Each .got entry is 8 bytes. 3708 The first three are reserved. */ 3709 got_offset = (plt_index + 3) * 8; 3710 3711 if (info->shared) 3712 got_offset -= GOT_BIAS; 3713 3714 /* Fill in the entry in the procedure linkage table. */ 3715 if (! info->shared) 3716 { 3717 if (elf_sh64_plt_entry == NULL) 3718 { 3719 elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ? 3720 elf_sh64_plt_entry_be : elf_sh64_plt_entry_le); 3721 } 3722 memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry, 3723 elf_sh64_sizeof_plt (info)); 3724 movi_3shori_putval (output_bfd, 3725 (sgot->output_section->vma 3726 + sgot->output_offset 3727 + got_offset), 3728 (splt->contents + h->plt.offset 3729 + elf_sh64_plt_symbol_offset (info))); 3730 3731 /* Set bottom bit because its for a branch to SHmedia */ 3732 movi_shori_putval (output_bfd, 3733 -(h->plt.offset 3734 + elf_sh64_plt_plt0_offset (info) + 8) 3735 | 1, 3736 (splt->contents + h->plt.offset 3737 + elf_sh64_plt_plt0_offset (info))); 3738 } 3739 else 3740 { 3741 if (elf_sh64_pic_plt_entry == NULL) 3742 { 3743 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? 3744 elf_sh64_pic_plt_entry_be : 3745 elf_sh64_pic_plt_entry_le); 3746 } 3747 memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry, 3748 elf_sh64_sizeof_plt (info)); 3749 movi_shori_putval (output_bfd, got_offset, 3750 (splt->contents + h->plt.offset 3751 + elf_sh64_plt_symbol_offset (info))); 3752 } 3753 3754 if (info->shared) 3755 got_offset += GOT_BIAS; 3756 3757 movi_shori_putval (output_bfd, 3758 plt_index * sizeof (Elf64_External_Rela), 3759 (splt->contents + h->plt.offset 3760 + elf_sh64_plt_reloc_offset (info))); 3761 3762 /* Fill in the entry in the global offset table. */ 3763 bfd_put_64 (output_bfd, 3764 (splt->output_section->vma 3765 + splt->output_offset 3766 + h->plt.offset 3767 + elf_sh64_plt_temp_offset (info)), 3768 sgot->contents + got_offset); 3769 3770 /* Fill in the entry in the .rela.plt section. */ 3771 rel.r_offset = (sgot->output_section->vma 3772 + sgot->output_offset 3773 + got_offset); 3774 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64); 3775 rel.r_addend = 0; 3776 rel.r_addend = GOT_BIAS; 3777 loc = srel->contents + plt_index * sizeof (Elf64_External_Rela); 3778 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3779 3780 if (!h->def_regular) 3781 { 3782 /* Mark the symbol as undefined, rather than as defined in 3783 the .plt section. Leave the value alone. */ 3784 sym->st_shndx = SHN_UNDEF; 3785 } 3786 } 3787 3788 if (h->got.offset != (bfd_vma) -1) 3789 { 3790 asection *sgot; 3791 asection *srel; 3792 Elf_Internal_Rela rel; 3793 bfd_byte *loc; 3794 3795 /* This symbol has an entry in the global offset table. Set it 3796 up. */ 3797 3798 sgot = bfd_get_section_by_name (dynobj, ".got"); 3799 srel = bfd_get_section_by_name (dynobj, ".rela.got"); 3800 BFD_ASSERT (sgot != NULL && srel != NULL); 3801 3802 rel.r_offset = (sgot->output_section->vma 3803 + sgot->output_offset 3804 + (h->got.offset &~ 1)); 3805 3806 /* If this is a -Bsymbolic link, and the symbol is defined 3807 locally, we just want to emit a RELATIVE reloc. Likewise if 3808 the symbol was forced to be local because of a version file. 3809 The entry in the global offset table will already have been 3810 initialized in the relocate_section function. */ 3811 if (info->shared 3812 && (info->symbolic || h->dynindx == -1) 3813 && h->def_regular) 3814 { 3815 rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); 3816 rel.r_addend = (h->root.u.def.value 3817 + h->root.u.def.section->output_section->vma 3818 + h->root.u.def.section->output_offset); 3819 } 3820 else 3821 { 3822 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); 3823 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64); 3824 rel.r_addend = 0; 3825 } 3826 3827 loc = srel->contents; 3828 loc += srel->reloc_count++ * sizeof (Elf64_External_Rela); 3829 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3830 } 3831 3832 if (h->needs_copy) 3833 { 3834 asection *s; 3835 Elf_Internal_Rela rel; 3836 bfd_byte *loc; 3837 3838 /* This symbol needs a copy reloc. Set it up. */ 3839 3840 BFD_ASSERT (h->dynindx != -1 3841 && (h->root.type == bfd_link_hash_defined 3842 || h->root.type == bfd_link_hash_defweak)); 3843 3844 s = bfd_get_section_by_name (h->root.u.def.section->owner, 3845 ".rela.bss"); 3846 BFD_ASSERT (s != NULL); 3847 3848 rel.r_offset = (h->root.u.def.value 3849 + h->root.u.def.section->output_section->vma 3850 + h->root.u.def.section->output_offset); 3851 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64); 3852 rel.r_addend = 0; 3853 loc = s->contents; 3854 loc += s->reloc_count++ * sizeof (Elf64_External_Rela); 3855 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); 3856 } 3857 3858 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ 3859 if (strcmp (h->root.root.string, "_DYNAMIC") == 0 3860 || h == elf_hash_table (info)->hgot) 3861 sym->st_shndx = SHN_ABS; 3862 3863 return TRUE; 3864} 3865 3866/* Finish up the dynamic sections. */ 3867 3868static bfd_boolean 3869sh64_elf64_finish_dynamic_sections (bfd *output_bfd, 3870 struct bfd_link_info *info) 3871{ 3872 bfd *dynobj; 3873 asection *sgot; 3874 asection *sdyn; 3875 3876 dynobj = elf_hash_table (info)->dynobj; 3877 3878 sgot = bfd_get_section_by_name (dynobj, ".got.plt"); 3879 BFD_ASSERT (sgot != NULL); 3880 sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); 3881 3882 if (elf_hash_table (info)->dynamic_sections_created) 3883 { 3884 asection *splt; 3885 Elf64_External_Dyn *dyncon, *dynconend; 3886 3887 BFD_ASSERT (sdyn != NULL); 3888 3889 dyncon = (Elf64_External_Dyn *) sdyn->contents; 3890 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); 3891 for (; dyncon < dynconend; dyncon++) 3892 { 3893 Elf_Internal_Dyn dyn; 3894 const char *name; 3895 asection *s; 3896 struct elf_link_hash_entry *h; 3897 3898 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); 3899 3900 switch (dyn.d_tag) 3901 { 3902 default: 3903 break; 3904 3905 case DT_INIT: 3906 name = info->init_function; 3907 goto get_sym; 3908 3909 case DT_FINI: 3910 name = info->fini_function; 3911 get_sym: 3912 if (dyn.d_un.d_val != 0) 3913 { 3914 h = elf_link_hash_lookup (elf_hash_table (info), name, 3915 FALSE, FALSE, TRUE); 3916 if (h != NULL && (h->other & STO_SH5_ISA32)) 3917 { 3918 dyn.d_un.d_val |= 1; 3919 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3920 } 3921 } 3922 break; 3923 3924 case DT_PLTGOT: 3925 name = ".got"; 3926 goto get_vma; 3927 3928 case DT_JMPREL: 3929 name = ".rela.plt"; 3930 get_vma: 3931 s = bfd_get_section_by_name (output_bfd, name); 3932 BFD_ASSERT (s != NULL); 3933 dyn.d_un.d_ptr = s->vma; 3934 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3935 break; 3936 3937 case DT_PLTRELSZ: 3938 s = bfd_get_section_by_name (output_bfd, ".rela.plt"); 3939 BFD_ASSERT (s != NULL); 3940 dyn.d_un.d_val = s->size; 3941 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3942 break; 3943 3944 case DT_RELASZ: 3945 /* My reading of the SVR4 ABI indicates that the 3946 procedure linkage table relocs (DT_JMPREL) should be 3947 included in the overall relocs (DT_RELA). This is 3948 what Solaris does. However, UnixWare can not handle 3949 that case. Therefore, we override the DT_RELASZ entry 3950 here to make it not include the JMPREL relocs. Since 3951 the linker script arranges for .rela.plt to follow all 3952 other relocation sections, we don't have to worry 3953 about changing the DT_RELA entry. */ 3954 s = bfd_get_section_by_name (output_bfd, ".rela.plt"); 3955 if (s != NULL) 3956 dyn.d_un.d_val -= s->size; 3957 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); 3958 break; 3959 } 3960 } 3961 3962 /* Fill in the first entry in the procedure linkage table. */ 3963 splt = bfd_get_section_by_name (dynobj, ".plt"); 3964 if (splt && splt->size > 0) 3965 { 3966 if (info->shared) 3967 { 3968 if (elf_sh64_pic_plt_entry == NULL) 3969 { 3970 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? 3971 elf_sh64_pic_plt_entry_be : 3972 elf_sh64_pic_plt_entry_le); 3973 } 3974 memcpy (splt->contents, elf_sh64_pic_plt_entry, 3975 elf_sh64_sizeof_plt (info)); 3976 } 3977 else 3978 { 3979 if (elf_sh64_plt0_entry == NULL) 3980 { 3981 elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ? 3982 elf_sh64_plt0_entry_be : 3983 elf_sh64_plt0_entry_le); 3984 } 3985 memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE); 3986 movi_3shori_putval (output_bfd, 3987 sgot->output_section->vma 3988 + sgot->output_offset, 3989 splt->contents 3990 + elf_sh64_plt0_gotplt_offset (info)); 3991 } 3992 3993 /* UnixWare sets the entsize of .plt to 8, although that doesn't 3994 really seem like the right value. */ 3995 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8; 3996 } 3997 } 3998 3999 /* Fill in the first three entries in the global offset table. */ 4000 if (sgot->size > 0) 4001 { 4002 if (sdyn == NULL) 4003 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents); 4004 else 4005 bfd_put_64 (output_bfd, 4006 sdyn->output_section->vma + sdyn->output_offset, 4007 sgot->contents); 4008 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8); 4009 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16); 4010 } 4011 4012 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8; 4013 4014 return TRUE; 4015} 4016 4017/* Merge non visibility st_other attribute when the symbol comes from 4018 a dynamic object. */ 4019static void 4020sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h, 4021 const Elf_Internal_Sym *isym, 4022 bfd_boolean definition, 4023 bfd_boolean dynamic ATTRIBUTE_UNUSED) 4024{ 4025 if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0) 4026 { 4027 unsigned char other; 4028 4029 /* Take the balance of OTHER from the definition. */ 4030 other = (definition ? isym->st_other : h->other); 4031 other &= ~ ELF_ST_VISIBILITY (-1); 4032 h->other = other | ELF_ST_VISIBILITY (h->other); 4033 } 4034 4035 return; 4036} 4037 4038static const struct bfd_elf_special_section sh64_elf64_special_sections[]= 4039{ 4040 { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 }, 4041 { NULL, 0, 0, 0, 0 } 4042}; 4043 4044#define TARGET_BIG_SYM bfd_elf64_sh64_vec 4045#define TARGET_BIG_NAME "elf64-sh64" 4046#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec 4047#define TARGET_LITTLE_NAME "elf64-sh64l" 4048#define ELF_ARCH bfd_arch_sh 4049#define ELF_MACHINE_CODE EM_SH 4050#define ELF_MAXPAGESIZE 128 4051 4052#define elf_symbol_leading_char '_' 4053 4054#define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup 4055#define elf_info_to_howto sh_elf64_info_to_howto 4056 4057/* Note: there's no relaxation at present. */ 4058 4059#define elf_backend_relocate_section sh_elf64_relocate_section 4060#define bfd_elf64_bfd_get_relocated_section_contents \ 4061 sh_elf64_get_relocated_section_contents 4062#define elf_backend_object_p sh_elf64_set_mach_from_flags 4063#define bfd_elf64_bfd_set_private_flags \ 4064 sh_elf64_set_private_flags 4065#define bfd_elf64_bfd_copy_private_bfd_data \ 4066 sh_elf64_copy_private_data 4067#define bfd_elf64_bfd_merge_private_bfd_data \ 4068 sh_elf64_merge_private_data 4069#define elf_backend_fake_sections sh64_elf64_fake_sections 4070 4071#define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook 4072#define elf_backend_check_relocs sh_elf64_check_relocs 4073 4074#define elf_backend_can_gc_sections 1 4075 4076#define elf_backend_get_symbol_type sh64_elf64_get_symbol_type 4077 4078#define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook 4079 4080#define elf_backend_link_output_symbol_hook \ 4081 sh64_elf64_link_output_symbol_hook 4082 4083#define elf_backend_merge_symbol_attribute \ 4084 sh64_elf64_merge_symbol_attribute 4085 4086#define elf_backend_final_write_processing \ 4087 sh64_elf64_final_write_processing 4088 4089#define elf_backend_create_dynamic_sections \ 4090 sh64_elf64_create_dynamic_sections 4091#define bfd_elf64_bfd_link_hash_table_create \ 4092 sh64_elf64_link_hash_table_create 4093#define elf_backend_adjust_dynamic_symbol \ 4094 sh64_elf64_adjust_dynamic_symbol 4095#define elf_backend_size_dynamic_sections \ 4096 sh64_elf64_size_dynamic_sections 4097#define elf_backend_omit_section_dynsym \ 4098 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) 4099#define elf_backend_finish_dynamic_symbol \ 4100 sh64_elf64_finish_dynamic_symbol 4101#define elf_backend_finish_dynamic_sections \ 4102 sh64_elf64_finish_dynamic_sections 4103#define elf_backend_special_sections sh64_elf64_special_sections 4104 4105#define elf_backend_want_got_plt 1 4106#define elf_backend_plt_readonly 1 4107#define elf_backend_want_plt_sym 0 4108#define elf_backend_got_header_size 24 4109 4110#include "elf64-target.h" 4111 4112/* NetBSD support. */ 4113#undef TARGET_BIG_SYM 4114#define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec 4115#undef TARGET_BIG_NAME 4116#define TARGET_BIG_NAME "elf64-sh64-nbsd" 4117#undef TARGET_LITTLE_SYM 4118#define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec 4119#undef TARGET_LITTLE_NAME 4120#define TARGET_LITTLE_NAME "elf64-sh64l-nbsd" 4121#undef ELF_MAXPAGESIZE 4122#define ELF_MAXPAGESIZE 0x10000 4123#undef elf_symbol_leading_char 4124#define elf_symbol_leading_char 0 4125 4126#define elf64_bed elf64_sh64_nbsd_bed 4127 4128#include "elf64-target.h" 4129 4130/* Linux support. */ 4131#undef TARGET_BIG_SYM 4132#define TARGET_BIG_SYM bfd_elf64_sh64blin_vec 4133#undef TARGET_BIG_NAME 4134#define TARGET_BIG_NAME "elf64-sh64big-linux" 4135#undef TARGET_LITTLE_SYM 4136#define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec 4137#undef TARGET_LITTLE_NAME 4138#define TARGET_LITTLE_NAME "elf64-sh64-linux" 4139#undef elf64_bed 4140#define elf64_bed elf64_sh64_linux_bed 4141 4142#include "elf64-target.h" 4143