| 1 | /* 32-bit ELF support for TI C6X |
| 2 | Copyright 2010, 2011, 2012 |
| 3 | Free Software Foundation, Inc. |
| 4 | Contributed by Joseph Myers <joseph@codesourcery.com> |
| 5 | Bernd Schmidt <bernds@codesourcery.com> |
| 6 | |
| 7 | This file is part of BFD, the Binary File Descriptor library. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 22 | MA 02110-1301, USA. */ |
| 23 | |
| 24 | #include "sysdep.h" |
| 25 | #include <limits.h> |
| 26 | #include "bfd.h" |
| 27 | #include "libbfd.h" |
| 28 | #include "libiberty.h" |
| 29 | #include "elf-bfd.h" |
| 30 | #include "elf/tic6x.h" |
| 31 | #include "elf32-tic6x.h" |
| 32 | |
| 33 | #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0" |
| 34 | |
| 35 | /* DSBT binaries have a default 128K stack. */ |
| 36 | #define DEFAULT_STACK_SIZE 0x20000 |
| 37 | |
| 38 | /* The size in bytes of an entry in the procedure linkage table. */ |
| 39 | #define PLT_ENTRY_SIZE 24 |
| 40 | |
| 41 | /* TI C6X ELF linker hash table. */ |
| 42 | |
| 43 | struct elf32_tic6x_link_hash_table |
| 44 | { |
| 45 | struct elf_link_hash_table elf; |
| 46 | |
| 47 | /* Short-cuts to get to dynamic linker sections. */ |
| 48 | asection *sdynbss; |
| 49 | asection *srelbss; |
| 50 | |
| 51 | /* C6X specific command line arguments. */ |
| 52 | struct elf32_tic6x_params params; |
| 53 | |
| 54 | /* Small local sym cache. */ |
| 55 | struct sym_cache sym_cache; |
| 56 | |
| 57 | /* The output BFD, for convenience. */ |
| 58 | bfd *obfd; |
| 59 | |
| 60 | /* The .dsbt section. */ |
| 61 | asection *dsbt; |
| 62 | }; |
| 63 | |
| 64 | /* Get the TI C6X ELF linker hash table from a link_info structure. */ |
| 65 | |
| 66 | #define elf32_tic6x_hash_table(p) \ |
| 67 | ((struct elf32_tic6x_link_hash_table *) ((p)->hash)) |
| 68 | |
| 69 | /* TI C6X ELF linker hash entry. */ |
| 70 | |
| 71 | struct elf32_tic6x_link_hash_entry |
| 72 | { |
| 73 | struct elf_link_hash_entry elf; |
| 74 | |
| 75 | /* Track dynamic relocs copied for this symbol. */ |
| 76 | struct elf_dyn_relocs *dyn_relocs; |
| 77 | }; |
| 78 | |
| 79 | typedef enum |
| 80 | { |
| 81 | DELETE_EXIDX_ENTRY, |
| 82 | INSERT_EXIDX_CANTUNWIND_AT_END |
| 83 | } |
| 84 | tic6x_unwind_edit_type; |
| 85 | |
| 86 | /* A (sorted) list of edits to apply to an unwind table. */ |
| 87 | typedef struct tic6x_unwind_table_edit |
| 88 | { |
| 89 | tic6x_unwind_edit_type type; |
| 90 | /* Note: we sometimes want to insert an unwind entry corresponding to a |
| 91 | section different from the one we're currently writing out, so record the |
| 92 | (text) section this edit relates to here. */ |
| 93 | asection *linked_section; |
| 94 | unsigned int index; |
| 95 | struct tic6x_unwind_table_edit *next; |
| 96 | } |
| 97 | tic6x_unwind_table_edit; |
| 98 | |
| 99 | typedef struct _tic6x_elf_section_data |
| 100 | { |
| 101 | /* Information about mapping symbols. */ |
| 102 | struct bfd_elf_section_data elf; |
| 103 | /* Information about unwind tables. */ |
| 104 | union |
| 105 | { |
| 106 | /* Unwind info attached to a text section. */ |
| 107 | struct |
| 108 | { |
| 109 | asection *tic6x_exidx_sec; |
| 110 | } text; |
| 111 | |
| 112 | /* Unwind info attached to an .c6xabi.exidx section. */ |
| 113 | struct |
| 114 | { |
| 115 | tic6x_unwind_table_edit *unwind_edit_list; |
| 116 | tic6x_unwind_table_edit *unwind_edit_tail; |
| 117 | } exidx; |
| 118 | } u; |
| 119 | } |
| 120 | _tic6x_elf_section_data; |
| 121 | |
| 122 | #define elf32_tic6x_section_data(sec) \ |
| 123 | ((_tic6x_elf_section_data *) elf_section_data (sec)) |
| 124 | |
| 125 | struct elf32_tic6x_obj_tdata |
| 126 | { |
| 127 | struct elf_obj_tdata root; |
| 128 | |
| 129 | /* Whether to use RELA relocations when generating relocations. |
| 130 | This is a per-object flag to allow the assembler to generate REL |
| 131 | relocations for use in linker testcases. */ |
| 132 | bfd_boolean use_rela_p; |
| 133 | }; |
| 134 | |
| 135 | #define elf32_tic6x_tdata(abfd) \ |
| 136 | ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any) |
| 137 | |
| 138 | #define is_tic6x_elf(bfd) \ |
| 139 | (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ |
| 140 | && elf_tdata (bfd) != NULL \ |
| 141 | && elf_object_id (bfd) == TIC6X_ELF_DATA) |
| 142 | |
| 143 | /* C6X ELF uses two common sections. One is the usual one, and the |
| 144 | other is for small objects. All the small objects are kept |
| 145 | together, and then referenced via the gp pointer, which yields |
| 146 | faster assembler code. This is what we use for the small common |
| 147 | section. This approach is copied from ecoff.c. */ |
| 148 | static asection tic6x_elf_scom_section; |
| 149 | static asymbol tic6x_elf_scom_symbol; |
| 150 | static asymbol *tic6x_elf_scom_symbol_ptr; |
| 151 | |
| 152 | static reloc_howto_type elf32_tic6x_howto_table[] = |
| 153 | { |
| 154 | HOWTO (R_C6000_NONE, /* type */ |
| 155 | 0, /* rightshift */ |
| 156 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 157 | 0, /* bitsize */ |
| 158 | FALSE, /* pc_relative */ |
| 159 | 0, /* bitpos */ |
| 160 | complain_overflow_dont,/* complain_on_overflow */ |
| 161 | bfd_elf_generic_reloc, /* special_function */ |
| 162 | "R_C6000_NONE", /* name */ |
| 163 | FALSE, /* partial_inplace */ |
| 164 | 0, /* src_mask */ |
| 165 | 0, /* dst_mask */ |
| 166 | FALSE), /* pcrel_offset */ |
| 167 | HOWTO (R_C6000_ABS32, /* type */ |
| 168 | 0, /* rightshift */ |
| 169 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 170 | 32, /* bitsize */ |
| 171 | FALSE, /* pc_relative */ |
| 172 | 0, /* bitpos */ |
| 173 | complain_overflow_dont,/* complain_on_overflow */ |
| 174 | bfd_elf_generic_reloc, /* special_function */ |
| 175 | "R_C6000_ABS32", /* name */ |
| 176 | FALSE, /* partial_inplace */ |
| 177 | 0, /* src_mask */ |
| 178 | 0xffffffff, /* dst_mask */ |
| 179 | FALSE), /* pcrel_offset */ |
| 180 | HOWTO (R_C6000_ABS16, /* type */ |
| 181 | 0, /* rightshift */ |
| 182 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 183 | 16, /* bitsize */ |
| 184 | FALSE, /* pc_relative */ |
| 185 | 0, /* bitpos */ |
| 186 | complain_overflow_bitfield,/* complain_on_overflow */ |
| 187 | bfd_elf_generic_reloc, /* special_function */ |
| 188 | "R_C6000_ABS16", /* name */ |
| 189 | FALSE, /* partial_inplace */ |
| 190 | 0, /* src_mask */ |
| 191 | 0x0000ffff, /* dst_mask */ |
| 192 | FALSE), /* pcrel_offset */ |
| 193 | HOWTO (R_C6000_ABS8, /* type */ |
| 194 | 0, /* rightshift */ |
| 195 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 196 | 8, /* bitsize */ |
| 197 | FALSE, /* pc_relative */ |
| 198 | 0, /* bitpos */ |
| 199 | complain_overflow_bitfield,/* complain_on_overflow */ |
| 200 | bfd_elf_generic_reloc, /* special_function */ |
| 201 | "R_C6000_ABS8", /* name */ |
| 202 | FALSE, /* partial_inplace */ |
| 203 | 0, /* src_mask */ |
| 204 | 0x000000ff, /* dst_mask */ |
| 205 | FALSE), /* pcrel_offset */ |
| 206 | HOWTO (R_C6000_PCR_S21, /* type */ |
| 207 | 2, /* rightshift */ |
| 208 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 209 | 21, /* bitsize */ |
| 210 | TRUE, /* pc_relative */ |
| 211 | 7, /* bitpos */ |
| 212 | complain_overflow_signed,/* complain_on_overflow */ |
| 213 | bfd_elf_generic_reloc, /* special_function */ |
| 214 | "R_C6000_PCR_S21", /* name */ |
| 215 | FALSE, /* partial_inplace */ |
| 216 | 0, /* src_mask */ |
| 217 | 0x0fffff80, /* dst_mask */ |
| 218 | TRUE), /* pcrel_offset */ |
| 219 | HOWTO (R_C6000_PCR_S12, /* type */ |
| 220 | 2, /* rightshift */ |
| 221 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 222 | 12, /* bitsize */ |
| 223 | TRUE, /* pc_relative */ |
| 224 | 16, /* bitpos */ |
| 225 | complain_overflow_signed,/* complain_on_overflow */ |
| 226 | bfd_elf_generic_reloc, /* special_function */ |
| 227 | "R_C6000_PCR_S12", /* name */ |
| 228 | FALSE, /* partial_inplace */ |
| 229 | 0, /* src_mask */ |
| 230 | 0x0fff0000, /* dst_mask */ |
| 231 | TRUE), /* pcrel_offset */ |
| 232 | HOWTO (R_C6000_PCR_S10, /* type */ |
| 233 | 2, /* rightshift */ |
| 234 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 235 | 10, /* bitsize */ |
| 236 | TRUE, /* pc_relative */ |
| 237 | 13, /* bitpos */ |
| 238 | complain_overflow_signed,/* complain_on_overflow */ |
| 239 | bfd_elf_generic_reloc, /* special_function */ |
| 240 | "R_C6000_PCR_S10", /* name */ |
| 241 | FALSE, /* partial_inplace */ |
| 242 | 0, /* src_mask */ |
| 243 | 0x007fe000, /* dst_mask */ |
| 244 | TRUE), /* pcrel_offset */ |
| 245 | HOWTO (R_C6000_PCR_S7, /* type */ |
| 246 | 2, /* rightshift */ |
| 247 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 248 | 7, /* bitsize */ |
| 249 | TRUE, /* pc_relative */ |
| 250 | 16, /* bitpos */ |
| 251 | complain_overflow_signed,/* complain_on_overflow */ |
| 252 | bfd_elf_generic_reloc, /* special_function */ |
| 253 | "R_C6000_PCR_S7", /* name */ |
| 254 | FALSE, /* partial_inplace */ |
| 255 | 0, /* src_mask */ |
| 256 | 0x007f0000, /* dst_mask */ |
| 257 | TRUE), /* pcrel_offset */ |
| 258 | HOWTO (R_C6000_ABS_S16, /* type */ |
| 259 | 0, /* rightshift */ |
| 260 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 261 | 16, /* bitsize */ |
| 262 | FALSE, /* pc_relative */ |
| 263 | 7, /* bitpos */ |
| 264 | complain_overflow_signed,/* complain_on_overflow */ |
| 265 | bfd_elf_generic_reloc, /* special_function */ |
| 266 | "R_C6000_ABS_S16", /* name */ |
| 267 | FALSE, /* partial_inplace */ |
| 268 | 0, /* src_mask */ |
| 269 | 0x007fff80, /* dst_mask */ |
| 270 | FALSE), /* pcrel_offset */ |
| 271 | HOWTO (R_C6000_ABS_L16, /* type */ |
| 272 | 0, /* rightshift */ |
| 273 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 274 | 16, /* bitsize */ |
| 275 | FALSE, /* pc_relative */ |
| 276 | 7, /* bitpos */ |
| 277 | complain_overflow_dont,/* complain_on_overflow */ |
| 278 | bfd_elf_generic_reloc, /* special_function */ |
| 279 | "R_C6000_ABS_L16", /* name */ |
| 280 | FALSE, /* partial_inplace */ |
| 281 | 0, /* src_mask */ |
| 282 | 0x007fff80, /* dst_mask */ |
| 283 | FALSE), /* pcrel_offset */ |
| 284 | HOWTO (R_C6000_ABS_H16, /* type */ |
| 285 | 16, /* rightshift */ |
| 286 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 287 | 16, /* bitsize */ |
| 288 | FALSE, /* pc_relative */ |
| 289 | 7, /* bitpos */ |
| 290 | complain_overflow_dont,/* complain_on_overflow */ |
| 291 | bfd_elf_generic_reloc, /* special_function */ |
| 292 | "R_C6000_ABS_H16", /* name */ |
| 293 | FALSE, /* partial_inplace */ |
| 294 | 0, /* src_mask */ |
| 295 | 0x007fff80, /* dst_mask */ |
| 296 | FALSE), /* pcrel_offset */ |
| 297 | HOWTO (R_C6000_SBR_U15_B, /* type */ |
| 298 | 0, /* rightshift */ |
| 299 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 300 | 15, /* bitsize */ |
| 301 | FALSE, /* pc_relative */ |
| 302 | 8, /* bitpos */ |
| 303 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 304 | bfd_elf_generic_reloc, /* special_function */ |
| 305 | "R_C6000_SBR_U15_B", /* name */ |
| 306 | FALSE, /* partial_inplace */ |
| 307 | 0, /* src_mask */ |
| 308 | 0x007fff00, /* dst_mask */ |
| 309 | FALSE), /* pcrel_offset */ |
| 310 | HOWTO (R_C6000_SBR_U15_H, /* type */ |
| 311 | 1, /* rightshift */ |
| 312 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 313 | 15, /* bitsize */ |
| 314 | FALSE, /* pc_relative */ |
| 315 | 8, /* bitpos */ |
| 316 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 317 | bfd_elf_generic_reloc, /* special_function */ |
| 318 | "R_C6000_SBR_U15_H", /* name */ |
| 319 | FALSE, /* partial_inplace */ |
| 320 | 0, /* src_mask */ |
| 321 | 0x007fff00, /* dst_mask */ |
| 322 | FALSE), /* pcrel_offset */ |
| 323 | HOWTO (R_C6000_SBR_U15_W, /* type */ |
| 324 | 2, /* rightshift */ |
| 325 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 326 | 15, /* bitsize */ |
| 327 | FALSE, /* pc_relative */ |
| 328 | 8, /* bitpos */ |
| 329 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 330 | bfd_elf_generic_reloc, /* special_function */ |
| 331 | "R_C6000_SBR_U15_W", /* name */ |
| 332 | FALSE, /* partial_inplace */ |
| 333 | 0, /* src_mask */ |
| 334 | 0x007fff00, /* dst_mask */ |
| 335 | FALSE), /* pcrel_offset */ |
| 336 | HOWTO (R_C6000_SBR_S16, /* type */ |
| 337 | 0, /* rightshift */ |
| 338 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 339 | 16, /* bitsize */ |
| 340 | FALSE, /* pc_relative */ |
| 341 | 7, /* bitpos */ |
| 342 | complain_overflow_signed,/* complain_on_overflow */ |
| 343 | bfd_elf_generic_reloc, /* special_function */ |
| 344 | "R_C6000_SBR_S16", /* name */ |
| 345 | FALSE, /* partial_inplace */ |
| 346 | 0, /* src_mask */ |
| 347 | 0x007fff80, /* dst_mask */ |
| 348 | FALSE), /* pcrel_offset */ |
| 349 | HOWTO (R_C6000_SBR_L16_B, /* type */ |
| 350 | 0, /* rightshift */ |
| 351 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 352 | 16, /* bitsize */ |
| 353 | FALSE, /* pc_relative */ |
| 354 | 7, /* bitpos */ |
| 355 | complain_overflow_dont,/* complain_on_overflow */ |
| 356 | bfd_elf_generic_reloc, /* special_function */ |
| 357 | "R_C6000_SBR_L16_B", /* name */ |
| 358 | FALSE, /* partial_inplace */ |
| 359 | 0, /* src_mask */ |
| 360 | 0x007fff80, /* dst_mask */ |
| 361 | FALSE), /* pcrel_offset */ |
| 362 | HOWTO (R_C6000_SBR_L16_H, /* type */ |
| 363 | 1, /* rightshift */ |
| 364 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 365 | 16, /* bitsize */ |
| 366 | FALSE, /* pc_relative */ |
| 367 | 7, /* bitpos */ |
| 368 | complain_overflow_dont,/* complain_on_overflow */ |
| 369 | bfd_elf_generic_reloc, /* special_function */ |
| 370 | "R_C6000_SBR_L16_H", /* name */ |
| 371 | FALSE, /* partial_inplace */ |
| 372 | 0, /* src_mask */ |
| 373 | 0x007fff80, /* dst_mask */ |
| 374 | FALSE), /* pcrel_offset */ |
| 375 | HOWTO (R_C6000_SBR_L16_W, /* type */ |
| 376 | 2, /* rightshift */ |
| 377 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 378 | 16, /* bitsize */ |
| 379 | FALSE, /* pc_relative */ |
| 380 | 7, /* bitpos */ |
| 381 | complain_overflow_dont,/* complain_on_overflow */ |
| 382 | bfd_elf_generic_reloc, /* special_function */ |
| 383 | "R_C6000_SBR_L16_W", /* name */ |
| 384 | FALSE, /* partial_inplace */ |
| 385 | 0, /* src_mask */ |
| 386 | 0x007fff80, /* dst_mask */ |
| 387 | FALSE), /* pcrel_offset */ |
| 388 | HOWTO (R_C6000_SBR_H16_B, /* type */ |
| 389 | 16, /* rightshift */ |
| 390 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 391 | 16, /* bitsize */ |
| 392 | FALSE, /* pc_relative */ |
| 393 | 7, /* bitpos */ |
| 394 | complain_overflow_dont,/* complain_on_overflow */ |
| 395 | bfd_elf_generic_reloc, /* special_function */ |
| 396 | "R_C6000_SBR_H16_B", /* name */ |
| 397 | FALSE, /* partial_inplace */ |
| 398 | 0, /* src_mask */ |
| 399 | 0x007fff80, /* dst_mask */ |
| 400 | FALSE), /* pcrel_offset */ |
| 401 | HOWTO (R_C6000_SBR_H16_H, /* type */ |
| 402 | 17, /* rightshift */ |
| 403 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 404 | 16, /* bitsize */ |
| 405 | FALSE, /* pc_relative */ |
| 406 | 7, /* bitpos */ |
| 407 | complain_overflow_dont,/* complain_on_overflow */ |
| 408 | bfd_elf_generic_reloc, /* special_function */ |
| 409 | "R_C6000_SBR_H16_H", /* name */ |
| 410 | FALSE, /* partial_inplace */ |
| 411 | 0, /* src_mask */ |
| 412 | 0x007fff80, /* dst_mask */ |
| 413 | FALSE), /* pcrel_offset */ |
| 414 | HOWTO (R_C6000_SBR_H16_W, /* type */ |
| 415 | 18, /* rightshift */ |
| 416 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 417 | 16, /* bitsize */ |
| 418 | FALSE, /* pc_relative */ |
| 419 | 7, /* bitpos */ |
| 420 | complain_overflow_dont,/* complain_on_overflow */ |
| 421 | bfd_elf_generic_reloc, /* special_function */ |
| 422 | "R_C6000_SBR_H16_W", /* name */ |
| 423 | FALSE, /* partial_inplace */ |
| 424 | 0, /* src_mask */ |
| 425 | 0x007fff80, /* dst_mask */ |
| 426 | FALSE), /* pcrel_offset */ |
| 427 | HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ |
| 428 | 2, /* rightshift */ |
| 429 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 430 | 15, /* bitsize */ |
| 431 | FALSE, /* pc_relative */ |
| 432 | 8, /* bitpos */ |
| 433 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 434 | bfd_elf_generic_reloc, /* special_function */ |
| 435 | "R_C6000_SBR_GOT_U15_W",/* name */ |
| 436 | FALSE, /* partial_inplace */ |
| 437 | 0, /* src_mask */ |
| 438 | 0x007fff00, /* dst_mask */ |
| 439 | FALSE), /* pcrel_offset */ |
| 440 | HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ |
| 441 | 2, /* rightshift */ |
| 442 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 443 | 16, /* bitsize */ |
| 444 | FALSE, /* pc_relative */ |
| 445 | 7, /* bitpos */ |
| 446 | complain_overflow_dont,/* complain_on_overflow */ |
| 447 | bfd_elf_generic_reloc, /* special_function */ |
| 448 | "R_C6000_SBR_GOT_L16_W",/* name */ |
| 449 | FALSE, /* partial_inplace */ |
| 450 | 0, /* src_mask */ |
| 451 | 0x007fff80, /* dst_mask */ |
| 452 | FALSE), /* pcrel_offset */ |
| 453 | HOWTO (R_C6000_SBR_GOT_H16_W, /* type */ |
| 454 | 18, /* rightshift */ |
| 455 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 456 | 16, /* bitsize */ |
| 457 | FALSE, /* pc_relative */ |
| 458 | 7, /* bitpos */ |
| 459 | complain_overflow_dont,/* complain_on_overflow */ |
| 460 | bfd_elf_generic_reloc, /* special_function */ |
| 461 | "R_C6000_SBR_GOT_H16_W",/* name */ |
| 462 | FALSE, /* partial_inplace */ |
| 463 | 0, /* src_mask */ |
| 464 | 0x007fff80, /* dst_mask */ |
| 465 | FALSE), /* pcrel_offset */ |
| 466 | HOWTO (R_C6000_DSBT_INDEX, /* type */ |
| 467 | 0, /* rightshift */ |
| 468 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 469 | 15, /* bitsize */ |
| 470 | FALSE, /* pc_relative */ |
| 471 | 8, /* bitpos */ |
| 472 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 473 | bfd_elf_generic_reloc, /* special_function */ |
| 474 | "R_C6000_DSBT_INDEX", /* name */ |
| 475 | FALSE, /* partial_inplace */ |
| 476 | 0, /* src_mask */ |
| 477 | 0x007fff00, /* dst_mask */ |
| 478 | FALSE), /* pcrel_offset */ |
| 479 | HOWTO (R_C6000_PREL31, /* type */ |
| 480 | 1, /* rightshift */ |
| 481 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 482 | 31, /* bitsize */ |
| 483 | TRUE, /* pc_relative */ |
| 484 | 0, /* bitpos */ |
| 485 | complain_overflow_dont,/* complain_on_overflow */ |
| 486 | bfd_elf_generic_reloc, /* special_function */ |
| 487 | "R_C6000_PREL31", /* name */ |
| 488 | FALSE, /* partial_inplace */ |
| 489 | 0, /* src_mask */ |
| 490 | 0x7fffffff, /* dst_mask */ |
| 491 | TRUE), /* pcrel_offset */ |
| 492 | HOWTO (R_C6000_COPY, /* type */ |
| 493 | 0, /* rightshift */ |
| 494 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 495 | 32, /* bitsize */ |
| 496 | FALSE, /* pc_relative */ |
| 497 | 0, /* bitpos */ |
| 498 | complain_overflow_dont,/* complain_on_overflow */ |
| 499 | bfd_elf_generic_reloc, /* special_function */ |
| 500 | "R_C6000_COPY", /* name */ |
| 501 | FALSE, /* partial_inplace */ |
| 502 | 0, /* src_mask */ |
| 503 | 0xffffffff, /* dst_mask */ |
| 504 | FALSE), /* pcrel_offset */ |
| 505 | HOWTO (R_C6000_JUMP_SLOT, /* type */ |
| 506 | 0, /* rightshift */ |
| 507 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 508 | 32, /* bitsize */ |
| 509 | FALSE, /* pc_relative */ |
| 510 | 0, /* bitpos */ |
| 511 | complain_overflow_dont,/* complain_on_overflow */ |
| 512 | bfd_elf_generic_reloc, /* special_function */ |
| 513 | "R_C6000_JUMP_SLOT", /* name */ |
| 514 | FALSE, /* partial_inplace */ |
| 515 | 0, /* src_mask */ |
| 516 | 0xffffffff, /* dst_mask */ |
| 517 | FALSE), /* pcrel_offset */ |
| 518 | HOWTO (R_C6000_EHTYPE, /* type */ |
| 519 | 0, /* rightshift */ |
| 520 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 521 | 32, /* bitsize */ |
| 522 | FALSE, /* pc_relative */ |
| 523 | 0, /* bitpos */ |
| 524 | complain_overflow_dont,/* complain_on_overflow */ |
| 525 | bfd_elf_generic_reloc, /* special_function */ |
| 526 | "R_C6000_EHTYPE", /* name */ |
| 527 | FALSE, /* partial_inplace */ |
| 528 | 0, /* src_mask */ |
| 529 | 0xffffffff, /* dst_mask */ |
| 530 | FALSE), /* pcrel_offset */ |
| 531 | HOWTO (R_C6000_PCR_H16, /* type */ |
| 532 | 16, /* rightshift */ |
| 533 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 534 | 16, /* bitsize */ |
| 535 | TRUE, /* pc_relative */ |
| 536 | 7, /* bitpos */ |
| 537 | complain_overflow_dont,/* complain_on_overflow */ |
| 538 | bfd_elf_generic_reloc, /* special_function */ |
| 539 | "R_C6000_PCR_H16", /* name */ |
| 540 | FALSE, /* partial_inplace */ |
| 541 | 0, /* src_mask */ |
| 542 | 0x007fff80, /* dst_mask */ |
| 543 | TRUE), /* pcrel_offset */ |
| 544 | HOWTO (R_C6000_PCR_L16, /* type */ |
| 545 | 0, /* rightshift */ |
| 546 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 547 | 16, /* bitsize */ |
| 548 | TRUE, /* pc_relative */ |
| 549 | 7, /* bitpos */ |
| 550 | complain_overflow_dont,/* complain_on_overflow */ |
| 551 | bfd_elf_generic_reloc, /* special_function */ |
| 552 | "R_C6000_PCR_L16", /* name */ |
| 553 | FALSE, /* partial_inplace */ |
| 554 | 0, /* src_mask */ |
| 555 | 0x007fff80, /* dst_mask */ |
| 556 | TRUE), /* pcrel_offset */ |
| 557 | EMPTY_HOWTO (31), |
| 558 | EMPTY_HOWTO (32), |
| 559 | EMPTY_HOWTO (33), |
| 560 | EMPTY_HOWTO (34), |
| 561 | EMPTY_HOWTO (35), |
| 562 | EMPTY_HOWTO (36), |
| 563 | EMPTY_HOWTO (37), |
| 564 | EMPTY_HOWTO (38), |
| 565 | EMPTY_HOWTO (39), |
| 566 | EMPTY_HOWTO (40), |
| 567 | EMPTY_HOWTO (41), |
| 568 | EMPTY_HOWTO (42), |
| 569 | EMPTY_HOWTO (43), |
| 570 | EMPTY_HOWTO (44), |
| 571 | EMPTY_HOWTO (45), |
| 572 | EMPTY_HOWTO (46), |
| 573 | EMPTY_HOWTO (47), |
| 574 | EMPTY_HOWTO (48), |
| 575 | EMPTY_HOWTO (49), |
| 576 | EMPTY_HOWTO (50), |
| 577 | EMPTY_HOWTO (51), |
| 578 | EMPTY_HOWTO (52), |
| 579 | EMPTY_HOWTO (53), |
| 580 | EMPTY_HOWTO (54), |
| 581 | EMPTY_HOWTO (55), |
| 582 | EMPTY_HOWTO (56), |
| 583 | EMPTY_HOWTO (57), |
| 584 | EMPTY_HOWTO (58), |
| 585 | EMPTY_HOWTO (59), |
| 586 | EMPTY_HOWTO (60), |
| 587 | EMPTY_HOWTO (61), |
| 588 | EMPTY_HOWTO (62), |
| 589 | EMPTY_HOWTO (63), |
| 590 | EMPTY_HOWTO (64), |
| 591 | EMPTY_HOWTO (65), |
| 592 | EMPTY_HOWTO (66), |
| 593 | EMPTY_HOWTO (67), |
| 594 | EMPTY_HOWTO (68), |
| 595 | EMPTY_HOWTO (69), |
| 596 | EMPTY_HOWTO (70), |
| 597 | EMPTY_HOWTO (71), |
| 598 | EMPTY_HOWTO (72), |
| 599 | EMPTY_HOWTO (73), |
| 600 | EMPTY_HOWTO (74), |
| 601 | EMPTY_HOWTO (75), |
| 602 | EMPTY_HOWTO (76), |
| 603 | EMPTY_HOWTO (77), |
| 604 | EMPTY_HOWTO (78), |
| 605 | EMPTY_HOWTO (79), |
| 606 | EMPTY_HOWTO (80), |
| 607 | EMPTY_HOWTO (81), |
| 608 | EMPTY_HOWTO (82), |
| 609 | EMPTY_HOWTO (83), |
| 610 | EMPTY_HOWTO (84), |
| 611 | EMPTY_HOWTO (85), |
| 612 | EMPTY_HOWTO (86), |
| 613 | EMPTY_HOWTO (87), |
| 614 | EMPTY_HOWTO (88), |
| 615 | EMPTY_HOWTO (89), |
| 616 | EMPTY_HOWTO (90), |
| 617 | EMPTY_HOWTO (91), |
| 618 | EMPTY_HOWTO (92), |
| 619 | EMPTY_HOWTO (93), |
| 620 | EMPTY_HOWTO (94), |
| 621 | EMPTY_HOWTO (95), |
| 622 | EMPTY_HOWTO (96), |
| 623 | EMPTY_HOWTO (97), |
| 624 | EMPTY_HOWTO (98), |
| 625 | EMPTY_HOWTO (99), |
| 626 | EMPTY_HOWTO (100), |
| 627 | EMPTY_HOWTO (101), |
| 628 | EMPTY_HOWTO (102), |
| 629 | EMPTY_HOWTO (103), |
| 630 | EMPTY_HOWTO (104), |
| 631 | EMPTY_HOWTO (105), |
| 632 | EMPTY_HOWTO (106), |
| 633 | EMPTY_HOWTO (107), |
| 634 | EMPTY_HOWTO (108), |
| 635 | EMPTY_HOWTO (109), |
| 636 | EMPTY_HOWTO (110), |
| 637 | EMPTY_HOWTO (111), |
| 638 | EMPTY_HOWTO (112), |
| 639 | EMPTY_HOWTO (113), |
| 640 | EMPTY_HOWTO (114), |
| 641 | EMPTY_HOWTO (115), |
| 642 | EMPTY_HOWTO (116), |
| 643 | EMPTY_HOWTO (117), |
| 644 | EMPTY_HOWTO (118), |
| 645 | EMPTY_HOWTO (119), |
| 646 | EMPTY_HOWTO (120), |
| 647 | EMPTY_HOWTO (121), |
| 648 | EMPTY_HOWTO (122), |
| 649 | EMPTY_HOWTO (123), |
| 650 | EMPTY_HOWTO (124), |
| 651 | EMPTY_HOWTO (125), |
| 652 | EMPTY_HOWTO (126), |
| 653 | EMPTY_HOWTO (127), |
| 654 | EMPTY_HOWTO (128), |
| 655 | EMPTY_HOWTO (129), |
| 656 | EMPTY_HOWTO (130), |
| 657 | EMPTY_HOWTO (131), |
| 658 | EMPTY_HOWTO (132), |
| 659 | EMPTY_HOWTO (133), |
| 660 | EMPTY_HOWTO (134), |
| 661 | EMPTY_HOWTO (135), |
| 662 | EMPTY_HOWTO (136), |
| 663 | EMPTY_HOWTO (137), |
| 664 | EMPTY_HOWTO (138), |
| 665 | EMPTY_HOWTO (139), |
| 666 | EMPTY_HOWTO (140), |
| 667 | EMPTY_HOWTO (141), |
| 668 | EMPTY_HOWTO (142), |
| 669 | EMPTY_HOWTO (143), |
| 670 | EMPTY_HOWTO (144), |
| 671 | EMPTY_HOWTO (145), |
| 672 | EMPTY_HOWTO (146), |
| 673 | EMPTY_HOWTO (147), |
| 674 | EMPTY_HOWTO (148), |
| 675 | EMPTY_HOWTO (149), |
| 676 | EMPTY_HOWTO (150), |
| 677 | EMPTY_HOWTO (151), |
| 678 | EMPTY_HOWTO (152), |
| 679 | EMPTY_HOWTO (153), |
| 680 | EMPTY_HOWTO (154), |
| 681 | EMPTY_HOWTO (155), |
| 682 | EMPTY_HOWTO (156), |
| 683 | EMPTY_HOWTO (157), |
| 684 | EMPTY_HOWTO (158), |
| 685 | EMPTY_HOWTO (159), |
| 686 | EMPTY_HOWTO (160), |
| 687 | EMPTY_HOWTO (161), |
| 688 | EMPTY_HOWTO (162), |
| 689 | EMPTY_HOWTO (163), |
| 690 | EMPTY_HOWTO (164), |
| 691 | EMPTY_HOWTO (165), |
| 692 | EMPTY_HOWTO (166), |
| 693 | EMPTY_HOWTO (167), |
| 694 | EMPTY_HOWTO (168), |
| 695 | EMPTY_HOWTO (169), |
| 696 | EMPTY_HOWTO (170), |
| 697 | EMPTY_HOWTO (171), |
| 698 | EMPTY_HOWTO (172), |
| 699 | EMPTY_HOWTO (173), |
| 700 | EMPTY_HOWTO (174), |
| 701 | EMPTY_HOWTO (175), |
| 702 | EMPTY_HOWTO (176), |
| 703 | EMPTY_HOWTO (177), |
| 704 | EMPTY_HOWTO (178), |
| 705 | EMPTY_HOWTO (179), |
| 706 | EMPTY_HOWTO (180), |
| 707 | EMPTY_HOWTO (181), |
| 708 | EMPTY_HOWTO (182), |
| 709 | EMPTY_HOWTO (183), |
| 710 | EMPTY_HOWTO (184), |
| 711 | EMPTY_HOWTO (185), |
| 712 | EMPTY_HOWTO (186), |
| 713 | EMPTY_HOWTO (187), |
| 714 | EMPTY_HOWTO (188), |
| 715 | EMPTY_HOWTO (189), |
| 716 | EMPTY_HOWTO (190), |
| 717 | EMPTY_HOWTO (191), |
| 718 | EMPTY_HOWTO (192), |
| 719 | EMPTY_HOWTO (193), |
| 720 | EMPTY_HOWTO (194), |
| 721 | EMPTY_HOWTO (195), |
| 722 | EMPTY_HOWTO (196), |
| 723 | EMPTY_HOWTO (197), |
| 724 | EMPTY_HOWTO (198), |
| 725 | EMPTY_HOWTO (199), |
| 726 | EMPTY_HOWTO (200), |
| 727 | EMPTY_HOWTO (201), |
| 728 | EMPTY_HOWTO (202), |
| 729 | EMPTY_HOWTO (203), |
| 730 | EMPTY_HOWTO (204), |
| 731 | EMPTY_HOWTO (205), |
| 732 | EMPTY_HOWTO (206), |
| 733 | EMPTY_HOWTO (207), |
| 734 | EMPTY_HOWTO (208), |
| 735 | EMPTY_HOWTO (209), |
| 736 | EMPTY_HOWTO (210), |
| 737 | EMPTY_HOWTO (211), |
| 738 | EMPTY_HOWTO (212), |
| 739 | EMPTY_HOWTO (213), |
| 740 | EMPTY_HOWTO (214), |
| 741 | EMPTY_HOWTO (215), |
| 742 | EMPTY_HOWTO (216), |
| 743 | EMPTY_HOWTO (217), |
| 744 | EMPTY_HOWTO (218), |
| 745 | EMPTY_HOWTO (219), |
| 746 | EMPTY_HOWTO (220), |
| 747 | EMPTY_HOWTO (221), |
| 748 | EMPTY_HOWTO (222), |
| 749 | EMPTY_HOWTO (223), |
| 750 | EMPTY_HOWTO (224), |
| 751 | EMPTY_HOWTO (225), |
| 752 | EMPTY_HOWTO (226), |
| 753 | EMPTY_HOWTO (227), |
| 754 | EMPTY_HOWTO (228), |
| 755 | EMPTY_HOWTO (229), |
| 756 | EMPTY_HOWTO (230), |
| 757 | EMPTY_HOWTO (231), |
| 758 | EMPTY_HOWTO (232), |
| 759 | EMPTY_HOWTO (233), |
| 760 | EMPTY_HOWTO (234), |
| 761 | EMPTY_HOWTO (235), |
| 762 | EMPTY_HOWTO (236), |
| 763 | EMPTY_HOWTO (237), |
| 764 | EMPTY_HOWTO (238), |
| 765 | EMPTY_HOWTO (239), |
| 766 | EMPTY_HOWTO (240), |
| 767 | EMPTY_HOWTO (241), |
| 768 | EMPTY_HOWTO (242), |
| 769 | EMPTY_HOWTO (243), |
| 770 | EMPTY_HOWTO (244), |
| 771 | EMPTY_HOWTO (245), |
| 772 | EMPTY_HOWTO (246), |
| 773 | EMPTY_HOWTO (247), |
| 774 | EMPTY_HOWTO (248), |
| 775 | EMPTY_HOWTO (249), |
| 776 | EMPTY_HOWTO (250), |
| 777 | EMPTY_HOWTO (251), |
| 778 | EMPTY_HOWTO (252), |
| 779 | HOWTO (R_C6000_ALIGN, /* type */ |
| 780 | 0, /* rightshift */ |
| 781 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 782 | 0, /* bitsize */ |
| 783 | FALSE, /* pc_relative */ |
| 784 | 0, /* bitpos */ |
| 785 | complain_overflow_dont,/* complain_on_overflow */ |
| 786 | bfd_elf_generic_reloc, /* special_function */ |
| 787 | "R_C6000_ALIGN", /* name */ |
| 788 | FALSE, /* partial_inplace */ |
| 789 | 0, /* src_mask */ |
| 790 | 0, /* dst_mask */ |
| 791 | FALSE), /* pcrel_offset */ |
| 792 | HOWTO (R_C6000_FPHEAD, /* type */ |
| 793 | 0, /* rightshift */ |
| 794 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 795 | 0, /* bitsize */ |
| 796 | FALSE, /* pc_relative */ |
| 797 | 0, /* bitpos */ |
| 798 | complain_overflow_dont,/* complain_on_overflow */ |
| 799 | bfd_elf_generic_reloc, /* special_function */ |
| 800 | "R_C6000_FPHEAD", /* name */ |
| 801 | FALSE, /* partial_inplace */ |
| 802 | 0, /* src_mask */ |
| 803 | 0, /* dst_mask */ |
| 804 | FALSE), /* pcrel_offset */ |
| 805 | HOWTO (R_C6000_NOCMP, /* type */ |
| 806 | 0, /* rightshift */ |
| 807 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 808 | 0, /* bitsize */ |
| 809 | FALSE, /* pc_relative */ |
| 810 | 0, /* bitpos */ |
| 811 | complain_overflow_dont,/* complain_on_overflow */ |
| 812 | bfd_elf_generic_reloc, /* special_function */ |
| 813 | "R_C6000_NOCMP", /* name */ |
| 814 | FALSE, /* partial_inplace */ |
| 815 | 0, /* src_mask */ |
| 816 | 0, /* dst_mask */ |
| 817 | FALSE) /* pcrel_offset */ |
| 818 | }; |
| 819 | |
| 820 | static reloc_howto_type elf32_tic6x_howto_table_rel[] = |
| 821 | { |
| 822 | HOWTO (R_C6000_NONE, /* type */ |
| 823 | 0, /* rightshift */ |
| 824 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 825 | 0, /* bitsize */ |
| 826 | FALSE, /* pc_relative */ |
| 827 | 0, /* bitpos */ |
| 828 | complain_overflow_dont,/* complain_on_overflow */ |
| 829 | bfd_elf_generic_reloc, /* special_function */ |
| 830 | "R_C6000_NONE", /* name */ |
| 831 | TRUE, /* partial_inplace */ |
| 832 | 0, /* src_mask */ |
| 833 | 0, /* dst_mask */ |
| 834 | FALSE), /* pcrel_offset */ |
| 835 | HOWTO (R_C6000_ABS32, /* type */ |
| 836 | 0, /* rightshift */ |
| 837 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 838 | 32, /* bitsize */ |
| 839 | FALSE, /* pc_relative */ |
| 840 | 0, /* bitpos */ |
| 841 | complain_overflow_dont,/* complain_on_overflow */ |
| 842 | bfd_elf_generic_reloc, /* special_function */ |
| 843 | "R_C6000_ABS32", /* name */ |
| 844 | TRUE, /* partial_inplace */ |
| 845 | 0xffffffff, /* src_mask */ |
| 846 | 0xffffffff, /* dst_mask */ |
| 847 | FALSE), /* pcrel_offset */ |
| 848 | HOWTO (R_C6000_ABS16, /* type */ |
| 849 | 0, /* rightshift */ |
| 850 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 851 | 16, /* bitsize */ |
| 852 | FALSE, /* pc_relative */ |
| 853 | 0, /* bitpos */ |
| 854 | complain_overflow_bitfield,/* complain_on_overflow */ |
| 855 | bfd_elf_generic_reloc, /* special_function */ |
| 856 | "R_C6000_ABS16", /* name */ |
| 857 | TRUE, /* partial_inplace */ |
| 858 | 0x0000ffff, /* src_mask */ |
| 859 | 0x0000ffff, /* dst_mask */ |
| 860 | FALSE), /* pcrel_offset */ |
| 861 | HOWTO (R_C6000_ABS8, /* type */ |
| 862 | 0, /* rightshift */ |
| 863 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 864 | 8, /* bitsize */ |
| 865 | FALSE, /* pc_relative */ |
| 866 | 0, /* bitpos */ |
| 867 | complain_overflow_bitfield,/* complain_on_overflow */ |
| 868 | bfd_elf_generic_reloc, /* special_function */ |
| 869 | "R_C6000_ABS8", /* name */ |
| 870 | TRUE, /* partial_inplace */ |
| 871 | 0x000000ff, /* src_mask */ |
| 872 | 0x000000ff, /* dst_mask */ |
| 873 | FALSE), /* pcrel_offset */ |
| 874 | HOWTO (R_C6000_PCR_S21, /* type */ |
| 875 | 2, /* rightshift */ |
| 876 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 877 | 21, /* bitsize */ |
| 878 | TRUE, /* pc_relative */ |
| 879 | 7, /* bitpos */ |
| 880 | complain_overflow_signed,/* complain_on_overflow */ |
| 881 | bfd_elf_generic_reloc, /* special_function */ |
| 882 | "R_C6000_PCR_S21", /* name */ |
| 883 | TRUE, /* partial_inplace */ |
| 884 | 0x0fffff80, /* src_mask */ |
| 885 | 0x0fffff80, /* dst_mask */ |
| 886 | TRUE), /* pcrel_offset */ |
| 887 | HOWTO (R_C6000_PCR_S12, /* type */ |
| 888 | 2, /* rightshift */ |
| 889 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 890 | 12, /* bitsize */ |
| 891 | TRUE, /* pc_relative */ |
| 892 | 16, /* bitpos */ |
| 893 | complain_overflow_signed,/* complain_on_overflow */ |
| 894 | bfd_elf_generic_reloc, /* special_function */ |
| 895 | "R_C6000_PCR_S12", /* name */ |
| 896 | TRUE, /* partial_inplace */ |
| 897 | 0x0fff0000, /* src_mask */ |
| 898 | 0x0fff0000, /* dst_mask */ |
| 899 | TRUE), /* pcrel_offset */ |
| 900 | HOWTO (R_C6000_PCR_S10, /* type */ |
| 901 | 2, /* rightshift */ |
| 902 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 903 | 10, /* bitsize */ |
| 904 | TRUE, /* pc_relative */ |
| 905 | 13, /* bitpos */ |
| 906 | complain_overflow_signed,/* complain_on_overflow */ |
| 907 | bfd_elf_generic_reloc, /* special_function */ |
| 908 | "R_C6000_PCR_S10", /* name */ |
| 909 | TRUE, /* partial_inplace */ |
| 910 | 0x007fe000, /* src_mask */ |
| 911 | 0x007fe000, /* dst_mask */ |
| 912 | TRUE), /* pcrel_offset */ |
| 913 | HOWTO (R_C6000_PCR_S7, /* type */ |
| 914 | 2, /* rightshift */ |
| 915 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 916 | 7, /* bitsize */ |
| 917 | TRUE, /* pc_relative */ |
| 918 | 16, /* bitpos */ |
| 919 | complain_overflow_signed,/* complain_on_overflow */ |
| 920 | bfd_elf_generic_reloc, /* special_function */ |
| 921 | "R_C6000_PCR_S7", /* name */ |
| 922 | TRUE, /* partial_inplace */ |
| 923 | 0x007f0000, /* src_mask */ |
| 924 | 0x007f0000, /* dst_mask */ |
| 925 | TRUE), /* pcrel_offset */ |
| 926 | HOWTO (R_C6000_ABS_S16, /* type */ |
| 927 | 0, /* rightshift */ |
| 928 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 929 | 16, /* bitsize */ |
| 930 | FALSE, /* pc_relative */ |
| 931 | 7, /* bitpos */ |
| 932 | complain_overflow_signed,/* complain_on_overflow */ |
| 933 | bfd_elf_generic_reloc, /* special_function */ |
| 934 | "R_C6000_ABS_S16", /* name */ |
| 935 | TRUE, /* partial_inplace */ |
| 936 | 0x007fff80, /* src_mask */ |
| 937 | 0x007fff80, /* dst_mask */ |
| 938 | FALSE), /* pcrel_offset */ |
| 939 | HOWTO (R_C6000_ABS_L16, /* type */ |
| 940 | 0, /* rightshift */ |
| 941 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 942 | 16, /* bitsize */ |
| 943 | FALSE, /* pc_relative */ |
| 944 | 7, /* bitpos */ |
| 945 | complain_overflow_dont,/* complain_on_overflow */ |
| 946 | bfd_elf_generic_reloc, /* special_function */ |
| 947 | "R_C6000_ABS_L16", /* name */ |
| 948 | TRUE, /* partial_inplace */ |
| 949 | 0x007fff80, /* src_mask */ |
| 950 | 0x007fff80, /* dst_mask */ |
| 951 | FALSE), /* pcrel_offset */ |
| 952 | EMPTY_HOWTO (R_C6000_ABS_H16), |
| 953 | HOWTO (R_C6000_SBR_U15_B, /* type */ |
| 954 | 0, /* rightshift */ |
| 955 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 956 | 15, /* bitsize */ |
| 957 | FALSE, /* pc_relative */ |
| 958 | 8, /* bitpos */ |
| 959 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 960 | bfd_elf_generic_reloc, /* special_function */ |
| 961 | "R_C6000_SBR_U15_B", /* name */ |
| 962 | TRUE, /* partial_inplace */ |
| 963 | 0x007fff00, /* src_mask */ |
| 964 | 0x007fff00, /* dst_mask */ |
| 965 | FALSE), /* pcrel_offset */ |
| 966 | HOWTO (R_C6000_SBR_U15_H, /* type */ |
| 967 | 1, /* rightshift */ |
| 968 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 969 | 15, /* bitsize */ |
| 970 | FALSE, /* pc_relative */ |
| 971 | 8, /* bitpos */ |
| 972 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 973 | bfd_elf_generic_reloc, /* special_function */ |
| 974 | "R_C6000_SBR_U15_H", /* name */ |
| 975 | TRUE, /* partial_inplace */ |
| 976 | 0x007fff00, /* src_mask */ |
| 977 | 0x007fff00, /* dst_mask */ |
| 978 | FALSE), /* pcrel_offset */ |
| 979 | HOWTO (R_C6000_SBR_U15_W, /* type */ |
| 980 | 2, /* rightshift */ |
| 981 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 982 | 15, /* bitsize */ |
| 983 | FALSE, /* pc_relative */ |
| 984 | 8, /* bitpos */ |
| 985 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 986 | bfd_elf_generic_reloc, /* special_function */ |
| 987 | "R_C6000_SBR_U15_W", /* name */ |
| 988 | TRUE, /* partial_inplace */ |
| 989 | 0x007fff00, /* src_mask */ |
| 990 | 0x007fff00, /* dst_mask */ |
| 991 | FALSE), /* pcrel_offset */ |
| 992 | HOWTO (R_C6000_SBR_S16, /* type */ |
| 993 | 0, /* rightshift */ |
| 994 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 995 | 16, /* bitsize */ |
| 996 | FALSE, /* pc_relative */ |
| 997 | 7, /* bitpos */ |
| 998 | complain_overflow_signed,/* complain_on_overflow */ |
| 999 | bfd_elf_generic_reloc, /* special_function */ |
| 1000 | "R_C6000_SBR_S16", /* name */ |
| 1001 | TRUE, /* partial_inplace */ |
| 1002 | 0x007fff80, /* src_mask */ |
| 1003 | 0x007fff80, /* dst_mask */ |
| 1004 | FALSE), /* pcrel_offset */ |
| 1005 | HOWTO (R_C6000_SBR_L16_B, /* type */ |
| 1006 | 0, /* rightshift */ |
| 1007 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1008 | 16, /* bitsize */ |
| 1009 | FALSE, /* pc_relative */ |
| 1010 | 7, /* bitpos */ |
| 1011 | complain_overflow_dont,/* complain_on_overflow */ |
| 1012 | bfd_elf_generic_reloc, /* special_function */ |
| 1013 | "R_C6000_SBR_L16_B", /* name */ |
| 1014 | TRUE, /* partial_inplace */ |
| 1015 | 0x007fff80, /* src_mask */ |
| 1016 | 0x007fff80, /* dst_mask */ |
| 1017 | FALSE), /* pcrel_offset */ |
| 1018 | HOWTO (R_C6000_SBR_L16_H, /* type */ |
| 1019 | 1, /* rightshift */ |
| 1020 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1021 | 16, /* bitsize */ |
| 1022 | FALSE, /* pc_relative */ |
| 1023 | 7, /* bitpos */ |
| 1024 | complain_overflow_dont,/* complain_on_overflow */ |
| 1025 | bfd_elf_generic_reloc, /* special_function */ |
| 1026 | "R_C6000_SBR_L16_H", /* name */ |
| 1027 | TRUE, /* partial_inplace */ |
| 1028 | 0x007fff80, /* src_mask */ |
| 1029 | 0x007fff80, /* dst_mask */ |
| 1030 | FALSE), /* pcrel_offset */ |
| 1031 | HOWTO (R_C6000_SBR_L16_W, /* type */ |
| 1032 | 2, /* rightshift */ |
| 1033 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1034 | 16, /* bitsize */ |
| 1035 | FALSE, /* pc_relative */ |
| 1036 | 7, /* bitpos */ |
| 1037 | complain_overflow_dont,/* complain_on_overflow */ |
| 1038 | bfd_elf_generic_reloc, /* special_function */ |
| 1039 | "R_C6000_SBR_L16_W", /* name */ |
| 1040 | TRUE, /* partial_inplace */ |
| 1041 | 0x007fff80, /* src_mask */ |
| 1042 | 0x007fff80, /* dst_mask */ |
| 1043 | FALSE), /* pcrel_offset */ |
| 1044 | EMPTY_HOWTO (R_C6000_SBR_H16_B), |
| 1045 | EMPTY_HOWTO (R_C6000_SBR_H16_H), |
| 1046 | EMPTY_HOWTO (R_C6000_SBR_H16_W), |
| 1047 | HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ |
| 1048 | 2, /* rightshift */ |
| 1049 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1050 | 15, /* bitsize */ |
| 1051 | FALSE, /* pc_relative */ |
| 1052 | 8, /* bitpos */ |
| 1053 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 1054 | bfd_elf_generic_reloc, /* special_function */ |
| 1055 | "R_C6000_SBR_GOT_U15_W",/* name */ |
| 1056 | TRUE, /* partial_inplace */ |
| 1057 | 0x007fff00, /* src_mask */ |
| 1058 | 0x007fff00, /* dst_mask */ |
| 1059 | FALSE), /* pcrel_offset */ |
| 1060 | HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ |
| 1061 | 2, /* rightshift */ |
| 1062 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1063 | 16, /* bitsize */ |
| 1064 | FALSE, /* pc_relative */ |
| 1065 | 7, /* bitpos */ |
| 1066 | complain_overflow_dont,/* complain_on_overflow */ |
| 1067 | bfd_elf_generic_reloc, /* special_function */ |
| 1068 | "R_C6000_SBR_GOT_L16_W",/* name */ |
| 1069 | TRUE, /* partial_inplace */ |
| 1070 | 0x007fff80, /* src_mask */ |
| 1071 | 0x007fff80, /* dst_mask */ |
| 1072 | FALSE), /* pcrel_offset */ |
| 1073 | EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W), |
| 1074 | HOWTO (R_C6000_DSBT_INDEX, /* type */ |
| 1075 | 0, /* rightshift */ |
| 1076 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1077 | 15, /* bitsize */ |
| 1078 | FALSE, /* pc_relative */ |
| 1079 | 8, /* bitpos */ |
| 1080 | complain_overflow_unsigned,/* complain_on_overflow */ |
| 1081 | bfd_elf_generic_reloc, /* special_function */ |
| 1082 | "R_C6000_DSBT_INDEX", /* name */ |
| 1083 | TRUE, /* partial_inplace */ |
| 1084 | 0, /* src_mask */ |
| 1085 | 0x007fff00, /* dst_mask */ |
| 1086 | FALSE), /* pcrel_offset */ |
| 1087 | HOWTO (R_C6000_PREL31, /* type */ |
| 1088 | 1, /* rightshift */ |
| 1089 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1090 | 31, /* bitsize */ |
| 1091 | TRUE, /* pc_relative */ |
| 1092 | 0, /* bitpos */ |
| 1093 | complain_overflow_dont,/* complain_on_overflow */ |
| 1094 | bfd_elf_generic_reloc, /* special_function */ |
| 1095 | "R_C6000_PREL31", /* name */ |
| 1096 | TRUE, /* partial_inplace */ |
| 1097 | 0, /* src_mask */ |
| 1098 | 0x7fffffff, /* dst_mask */ |
| 1099 | TRUE), /* pcrel_offset */ |
| 1100 | HOWTO (R_C6000_COPY, /* type */ |
| 1101 | 0, /* rightshift */ |
| 1102 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1103 | 32, /* bitsize */ |
| 1104 | FALSE, /* pc_relative */ |
| 1105 | 0, /* bitpos */ |
| 1106 | complain_overflow_dont,/* complain_on_overflow */ |
| 1107 | bfd_elf_generic_reloc, /* special_function */ |
| 1108 | "R_C6000_COPY", /* name */ |
| 1109 | TRUE, /* partial_inplace */ |
| 1110 | 0, /* src_mask */ |
| 1111 | 0xffffffff, /* dst_mask */ |
| 1112 | FALSE), /* pcrel_offset */ |
| 1113 | HOWTO (R_C6000_JUMP_SLOT, /* type */ |
| 1114 | 0, /* rightshift */ |
| 1115 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1116 | 32, /* bitsize */ |
| 1117 | FALSE, /* pc_relative */ |
| 1118 | 0, /* bitpos */ |
| 1119 | complain_overflow_dont,/* complain_on_overflow */ |
| 1120 | bfd_elf_generic_reloc, /* special_function */ |
| 1121 | "R_C6000_JUMP_SLOT", /* name */ |
| 1122 | FALSE, /* partial_inplace */ |
| 1123 | 0, /* src_mask */ |
| 1124 | 0xffffffff, /* dst_mask */ |
| 1125 | FALSE), /* pcrel_offset */ |
| 1126 | HOWTO (R_C6000_EHTYPE, /* type */ |
| 1127 | 0, /* rightshift */ |
| 1128 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1129 | 32, /* bitsize */ |
| 1130 | FALSE, /* pc_relative */ |
| 1131 | 0, /* bitpos */ |
| 1132 | complain_overflow_dont,/* complain_on_overflow */ |
| 1133 | bfd_elf_generic_reloc, /* special_function */ |
| 1134 | "R_C6000_EHTYPE", /* name */ |
| 1135 | FALSE, /* partial_inplace */ |
| 1136 | 0, /* src_mask */ |
| 1137 | 0xffffffff, /* dst_mask */ |
| 1138 | FALSE), /* pcrel_offset */ |
| 1139 | EMPTY_HOWTO (R_C6000_PCR_H16), |
| 1140 | EMPTY_HOWTO (R_C6000_PCR_L16), |
| 1141 | EMPTY_HOWTO (31), |
| 1142 | EMPTY_HOWTO (32), |
| 1143 | EMPTY_HOWTO (33), |
| 1144 | EMPTY_HOWTO (34), |
| 1145 | EMPTY_HOWTO (35), |
| 1146 | EMPTY_HOWTO (36), |
| 1147 | EMPTY_HOWTO (37), |
| 1148 | EMPTY_HOWTO (38), |
| 1149 | EMPTY_HOWTO (39), |
| 1150 | EMPTY_HOWTO (40), |
| 1151 | EMPTY_HOWTO (41), |
| 1152 | EMPTY_HOWTO (42), |
| 1153 | EMPTY_HOWTO (43), |
| 1154 | EMPTY_HOWTO (44), |
| 1155 | EMPTY_HOWTO (45), |
| 1156 | EMPTY_HOWTO (46), |
| 1157 | EMPTY_HOWTO (47), |
| 1158 | EMPTY_HOWTO (48), |
| 1159 | EMPTY_HOWTO (49), |
| 1160 | EMPTY_HOWTO (50), |
| 1161 | EMPTY_HOWTO (51), |
| 1162 | EMPTY_HOWTO (52), |
| 1163 | EMPTY_HOWTO (53), |
| 1164 | EMPTY_HOWTO (54), |
| 1165 | EMPTY_HOWTO (55), |
| 1166 | EMPTY_HOWTO (56), |
| 1167 | EMPTY_HOWTO (57), |
| 1168 | EMPTY_HOWTO (58), |
| 1169 | EMPTY_HOWTO (59), |
| 1170 | EMPTY_HOWTO (60), |
| 1171 | EMPTY_HOWTO (61), |
| 1172 | EMPTY_HOWTO (62), |
| 1173 | EMPTY_HOWTO (63), |
| 1174 | EMPTY_HOWTO (64), |
| 1175 | EMPTY_HOWTO (65), |
| 1176 | EMPTY_HOWTO (66), |
| 1177 | EMPTY_HOWTO (67), |
| 1178 | EMPTY_HOWTO (68), |
| 1179 | EMPTY_HOWTO (69), |
| 1180 | EMPTY_HOWTO (70), |
| 1181 | EMPTY_HOWTO (71), |
| 1182 | EMPTY_HOWTO (72), |
| 1183 | EMPTY_HOWTO (73), |
| 1184 | EMPTY_HOWTO (74), |
| 1185 | EMPTY_HOWTO (75), |
| 1186 | EMPTY_HOWTO (76), |
| 1187 | EMPTY_HOWTO (77), |
| 1188 | EMPTY_HOWTO (78), |
| 1189 | EMPTY_HOWTO (79), |
| 1190 | EMPTY_HOWTO (80), |
| 1191 | EMPTY_HOWTO (81), |
| 1192 | EMPTY_HOWTO (82), |
| 1193 | EMPTY_HOWTO (83), |
| 1194 | EMPTY_HOWTO (84), |
| 1195 | EMPTY_HOWTO (85), |
| 1196 | EMPTY_HOWTO (86), |
| 1197 | EMPTY_HOWTO (87), |
| 1198 | EMPTY_HOWTO (88), |
| 1199 | EMPTY_HOWTO (89), |
| 1200 | EMPTY_HOWTO (90), |
| 1201 | EMPTY_HOWTO (91), |
| 1202 | EMPTY_HOWTO (92), |
| 1203 | EMPTY_HOWTO (93), |
| 1204 | EMPTY_HOWTO (94), |
| 1205 | EMPTY_HOWTO (95), |
| 1206 | EMPTY_HOWTO (96), |
| 1207 | EMPTY_HOWTO (97), |
| 1208 | EMPTY_HOWTO (98), |
| 1209 | EMPTY_HOWTO (99), |
| 1210 | EMPTY_HOWTO (100), |
| 1211 | EMPTY_HOWTO (101), |
| 1212 | EMPTY_HOWTO (102), |
| 1213 | EMPTY_HOWTO (103), |
| 1214 | EMPTY_HOWTO (104), |
| 1215 | EMPTY_HOWTO (105), |
| 1216 | EMPTY_HOWTO (106), |
| 1217 | EMPTY_HOWTO (107), |
| 1218 | EMPTY_HOWTO (108), |
| 1219 | EMPTY_HOWTO (109), |
| 1220 | EMPTY_HOWTO (110), |
| 1221 | EMPTY_HOWTO (111), |
| 1222 | EMPTY_HOWTO (112), |
| 1223 | EMPTY_HOWTO (113), |
| 1224 | EMPTY_HOWTO (114), |
| 1225 | EMPTY_HOWTO (115), |
| 1226 | EMPTY_HOWTO (116), |
| 1227 | EMPTY_HOWTO (117), |
| 1228 | EMPTY_HOWTO (118), |
| 1229 | EMPTY_HOWTO (119), |
| 1230 | EMPTY_HOWTO (120), |
| 1231 | EMPTY_HOWTO (121), |
| 1232 | EMPTY_HOWTO (122), |
| 1233 | EMPTY_HOWTO (123), |
| 1234 | EMPTY_HOWTO (124), |
| 1235 | EMPTY_HOWTO (125), |
| 1236 | EMPTY_HOWTO (126), |
| 1237 | EMPTY_HOWTO (127), |
| 1238 | EMPTY_HOWTO (128), |
| 1239 | EMPTY_HOWTO (129), |
| 1240 | EMPTY_HOWTO (130), |
| 1241 | EMPTY_HOWTO (131), |
| 1242 | EMPTY_HOWTO (132), |
| 1243 | EMPTY_HOWTO (133), |
| 1244 | EMPTY_HOWTO (134), |
| 1245 | EMPTY_HOWTO (135), |
| 1246 | EMPTY_HOWTO (136), |
| 1247 | EMPTY_HOWTO (137), |
| 1248 | EMPTY_HOWTO (138), |
| 1249 | EMPTY_HOWTO (139), |
| 1250 | EMPTY_HOWTO (140), |
| 1251 | EMPTY_HOWTO (141), |
| 1252 | EMPTY_HOWTO (142), |
| 1253 | EMPTY_HOWTO (143), |
| 1254 | EMPTY_HOWTO (144), |
| 1255 | EMPTY_HOWTO (145), |
| 1256 | EMPTY_HOWTO (146), |
| 1257 | EMPTY_HOWTO (147), |
| 1258 | EMPTY_HOWTO (148), |
| 1259 | EMPTY_HOWTO (149), |
| 1260 | EMPTY_HOWTO (150), |
| 1261 | EMPTY_HOWTO (151), |
| 1262 | EMPTY_HOWTO (152), |
| 1263 | EMPTY_HOWTO (153), |
| 1264 | EMPTY_HOWTO (154), |
| 1265 | EMPTY_HOWTO (155), |
| 1266 | EMPTY_HOWTO (156), |
| 1267 | EMPTY_HOWTO (157), |
| 1268 | EMPTY_HOWTO (158), |
| 1269 | EMPTY_HOWTO (159), |
| 1270 | EMPTY_HOWTO (160), |
| 1271 | EMPTY_HOWTO (161), |
| 1272 | EMPTY_HOWTO (162), |
| 1273 | EMPTY_HOWTO (163), |
| 1274 | EMPTY_HOWTO (164), |
| 1275 | EMPTY_HOWTO (165), |
| 1276 | EMPTY_HOWTO (166), |
| 1277 | EMPTY_HOWTO (167), |
| 1278 | EMPTY_HOWTO (168), |
| 1279 | EMPTY_HOWTO (169), |
| 1280 | EMPTY_HOWTO (170), |
| 1281 | EMPTY_HOWTO (171), |
| 1282 | EMPTY_HOWTO (172), |
| 1283 | EMPTY_HOWTO (173), |
| 1284 | EMPTY_HOWTO (174), |
| 1285 | EMPTY_HOWTO (175), |
| 1286 | EMPTY_HOWTO (176), |
| 1287 | EMPTY_HOWTO (177), |
| 1288 | EMPTY_HOWTO (178), |
| 1289 | EMPTY_HOWTO (179), |
| 1290 | EMPTY_HOWTO (180), |
| 1291 | EMPTY_HOWTO (181), |
| 1292 | EMPTY_HOWTO (182), |
| 1293 | EMPTY_HOWTO (183), |
| 1294 | EMPTY_HOWTO (184), |
| 1295 | EMPTY_HOWTO (185), |
| 1296 | EMPTY_HOWTO (186), |
| 1297 | EMPTY_HOWTO (187), |
| 1298 | EMPTY_HOWTO (188), |
| 1299 | EMPTY_HOWTO (189), |
| 1300 | EMPTY_HOWTO (190), |
| 1301 | EMPTY_HOWTO (191), |
| 1302 | EMPTY_HOWTO (192), |
| 1303 | EMPTY_HOWTO (193), |
| 1304 | EMPTY_HOWTO (194), |
| 1305 | EMPTY_HOWTO (195), |
| 1306 | EMPTY_HOWTO (196), |
| 1307 | EMPTY_HOWTO (197), |
| 1308 | EMPTY_HOWTO (198), |
| 1309 | EMPTY_HOWTO (199), |
| 1310 | EMPTY_HOWTO (200), |
| 1311 | EMPTY_HOWTO (201), |
| 1312 | EMPTY_HOWTO (202), |
| 1313 | EMPTY_HOWTO (203), |
| 1314 | EMPTY_HOWTO (204), |
| 1315 | EMPTY_HOWTO (205), |
| 1316 | EMPTY_HOWTO (206), |
| 1317 | EMPTY_HOWTO (207), |
| 1318 | EMPTY_HOWTO (208), |
| 1319 | EMPTY_HOWTO (209), |
| 1320 | EMPTY_HOWTO (210), |
| 1321 | EMPTY_HOWTO (211), |
| 1322 | EMPTY_HOWTO (212), |
| 1323 | EMPTY_HOWTO (213), |
| 1324 | EMPTY_HOWTO (214), |
| 1325 | EMPTY_HOWTO (215), |
| 1326 | EMPTY_HOWTO (216), |
| 1327 | EMPTY_HOWTO (217), |
| 1328 | EMPTY_HOWTO (218), |
| 1329 | EMPTY_HOWTO (219), |
| 1330 | EMPTY_HOWTO (220), |
| 1331 | EMPTY_HOWTO (221), |
| 1332 | EMPTY_HOWTO (222), |
| 1333 | EMPTY_HOWTO (223), |
| 1334 | EMPTY_HOWTO (224), |
| 1335 | EMPTY_HOWTO (225), |
| 1336 | EMPTY_HOWTO (226), |
| 1337 | EMPTY_HOWTO (227), |
| 1338 | EMPTY_HOWTO (228), |
| 1339 | EMPTY_HOWTO (229), |
| 1340 | EMPTY_HOWTO (230), |
| 1341 | EMPTY_HOWTO (231), |
| 1342 | EMPTY_HOWTO (232), |
| 1343 | EMPTY_HOWTO (233), |
| 1344 | EMPTY_HOWTO (234), |
| 1345 | EMPTY_HOWTO (235), |
| 1346 | EMPTY_HOWTO (236), |
| 1347 | EMPTY_HOWTO (237), |
| 1348 | EMPTY_HOWTO (238), |
| 1349 | EMPTY_HOWTO (239), |
| 1350 | EMPTY_HOWTO (240), |
| 1351 | EMPTY_HOWTO (241), |
| 1352 | EMPTY_HOWTO (242), |
| 1353 | EMPTY_HOWTO (243), |
| 1354 | EMPTY_HOWTO (244), |
| 1355 | EMPTY_HOWTO (245), |
| 1356 | EMPTY_HOWTO (246), |
| 1357 | EMPTY_HOWTO (247), |
| 1358 | EMPTY_HOWTO (248), |
| 1359 | EMPTY_HOWTO (249), |
| 1360 | EMPTY_HOWTO (250), |
| 1361 | EMPTY_HOWTO (251), |
| 1362 | EMPTY_HOWTO (252), |
| 1363 | HOWTO (R_C6000_ALIGN, /* type */ |
| 1364 | 0, /* rightshift */ |
| 1365 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1366 | 0, /* bitsize */ |
| 1367 | FALSE, /* pc_relative */ |
| 1368 | 0, /* bitpos */ |
| 1369 | complain_overflow_dont,/* complain_on_overflow */ |
| 1370 | bfd_elf_generic_reloc, /* special_function */ |
| 1371 | "R_C6000_ALIGN", /* name */ |
| 1372 | TRUE, /* partial_inplace */ |
| 1373 | 0, /* src_mask */ |
| 1374 | 0, /* dst_mask */ |
| 1375 | FALSE), /* pcrel_offset */ |
| 1376 | HOWTO (R_C6000_FPHEAD, /* type */ |
| 1377 | 0, /* rightshift */ |
| 1378 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1379 | 0, /* bitsize */ |
| 1380 | FALSE, /* pc_relative */ |
| 1381 | 0, /* bitpos */ |
| 1382 | complain_overflow_dont,/* complain_on_overflow */ |
| 1383 | bfd_elf_generic_reloc, /* special_function */ |
| 1384 | "R_C6000_FPHEAD", /* name */ |
| 1385 | TRUE, /* partial_inplace */ |
| 1386 | 0, /* src_mask */ |
| 1387 | 0, /* dst_mask */ |
| 1388 | FALSE), /* pcrel_offset */ |
| 1389 | HOWTO (R_C6000_NOCMP, /* type */ |
| 1390 | 0, /* rightshift */ |
| 1391 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1392 | 0, /* bitsize */ |
| 1393 | FALSE, /* pc_relative */ |
| 1394 | 0, /* bitpos */ |
| 1395 | complain_overflow_dont,/* complain_on_overflow */ |
| 1396 | bfd_elf_generic_reloc, /* special_function */ |
| 1397 | "R_C6000_NOCMP", /* name */ |
| 1398 | TRUE, /* partial_inplace */ |
| 1399 | 0, /* src_mask */ |
| 1400 | 0, /* dst_mask */ |
| 1401 | FALSE) /* pcrel_offset */ |
| 1402 | }; |
| 1403 | |
| 1404 | /* Map BFD relocations to ELF relocations. */ |
| 1405 | |
| 1406 | typedef struct |
| 1407 | { |
| 1408 | bfd_reloc_code_real_type bfd_reloc_val; |
| 1409 | enum elf_tic6x_reloc_type elf_reloc_val; |
| 1410 | } tic6x_reloc_map; |
| 1411 | |
| 1412 | static const tic6x_reloc_map elf32_tic6x_reloc_map[] = |
| 1413 | { |
| 1414 | { BFD_RELOC_NONE, R_C6000_NONE }, |
| 1415 | { BFD_RELOC_32, R_C6000_ABS32 }, |
| 1416 | { BFD_RELOC_16, R_C6000_ABS16 }, |
| 1417 | { BFD_RELOC_8, R_C6000_ABS8 }, |
| 1418 | { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 }, |
| 1419 | { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 }, |
| 1420 | { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 }, |
| 1421 | { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 }, |
| 1422 | { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 }, |
| 1423 | { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 }, |
| 1424 | { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 }, |
| 1425 | { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B }, |
| 1426 | { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H }, |
| 1427 | { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W }, |
| 1428 | { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 }, |
| 1429 | { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B }, |
| 1430 | { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H }, |
| 1431 | { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W }, |
| 1432 | { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B }, |
| 1433 | { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H }, |
| 1434 | { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W }, |
| 1435 | { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W }, |
| 1436 | { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W }, |
| 1437 | { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W }, |
| 1438 | { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX }, |
| 1439 | { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 }, |
| 1440 | { BFD_RELOC_C6000_COPY, R_C6000_COPY }, |
| 1441 | { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT }, |
| 1442 | { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE }, |
| 1443 | { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 }, |
| 1444 | { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 }, |
| 1445 | { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN }, |
| 1446 | { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD }, |
| 1447 | { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP } |
| 1448 | }; |
| 1449 | |
| 1450 | static reloc_howto_type * |
| 1451 | elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) |
| 1452 | { |
| 1453 | unsigned int i; |
| 1454 | |
| 1455 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++) |
| 1456 | if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code) |
| 1457 | { |
| 1458 | enum elf_tic6x_reloc_type elf_reloc_val; |
| 1459 | reloc_howto_type *howto; |
| 1460 | |
| 1461 | elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val; |
| 1462 | if (elf32_tic6x_tdata (abfd)->use_rela_p) |
| 1463 | howto = &elf32_tic6x_howto_table[elf_reloc_val]; |
| 1464 | else |
| 1465 | howto = &elf32_tic6x_howto_table_rel[elf_reloc_val]; |
| 1466 | |
| 1467 | /* Some relocations are RELA-only; do not return them for |
| 1468 | REL. */ |
| 1469 | if (howto->name == NULL) |
| 1470 | howto = NULL; |
| 1471 | |
| 1472 | return howto; |
| 1473 | } |
| 1474 | |
| 1475 | return NULL; |
| 1476 | } |
| 1477 | |
| 1478 | static reloc_howto_type * |
| 1479 | elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name) |
| 1480 | { |
| 1481 | if (elf32_tic6x_tdata (abfd)->use_rela_p) |
| 1482 | { |
| 1483 | unsigned int i; |
| 1484 | |
| 1485 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++) |
| 1486 | if (elf32_tic6x_howto_table[i].name != NULL |
| 1487 | && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0) |
| 1488 | return &elf32_tic6x_howto_table[i]; |
| 1489 | } |
| 1490 | else |
| 1491 | { |
| 1492 | unsigned int i; |
| 1493 | |
| 1494 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++) |
| 1495 | if (elf32_tic6x_howto_table_rel[i].name != NULL |
| 1496 | && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0) |
| 1497 | return &elf32_tic6x_howto_table_rel[i]; |
| 1498 | } |
| 1499 | |
| 1500 | return NULL; |
| 1501 | } |
| 1502 | |
| 1503 | static void |
| 1504 | elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, |
| 1505 | Elf_Internal_Rela *elf_reloc) |
| 1506 | { |
| 1507 | unsigned int r_type; |
| 1508 | |
| 1509 | r_type = ELF32_R_TYPE (elf_reloc->r_info); |
| 1510 | if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table)) |
| 1511 | bfd_reloc->howto = NULL; |
| 1512 | else |
| 1513 | bfd_reloc->howto = &elf32_tic6x_howto_table[r_type]; |
| 1514 | } |
| 1515 | |
| 1516 | static void |
| 1517 | elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, |
| 1518 | Elf_Internal_Rela *elf_reloc) |
| 1519 | { |
| 1520 | unsigned int r_type; |
| 1521 | |
| 1522 | r_type = ELF32_R_TYPE (elf_reloc->r_info); |
| 1523 | if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel)) |
| 1524 | bfd_reloc->howto = NULL; |
| 1525 | else |
| 1526 | bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type]; |
| 1527 | } |
| 1528 | |
| 1529 | void |
| 1530 | elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p) |
| 1531 | { |
| 1532 | elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p; |
| 1533 | } |
| 1534 | |
| 1535 | /* Create an entry in a C6X ELF linker hash table. */ |
| 1536 | |
| 1537 | static struct bfd_hash_entry * |
| 1538 | elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry, |
| 1539 | struct bfd_hash_table *table, |
| 1540 | const char *string) |
| 1541 | { |
| 1542 | /* Allocate the structure if it has not already been allocated by a |
| 1543 | subclass. */ |
| 1544 | if (entry == NULL) |
| 1545 | { |
| 1546 | entry = bfd_hash_allocate (table, |
| 1547 | sizeof (struct elf32_tic6x_link_hash_entry)); |
| 1548 | if (entry == NULL) |
| 1549 | return entry; |
| 1550 | } |
| 1551 | |
| 1552 | /* Call the allocation method of the superclass. */ |
| 1553 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); |
| 1554 | if (entry != NULL) |
| 1555 | { |
| 1556 | struct elf32_tic6x_link_hash_entry *eh; |
| 1557 | |
| 1558 | eh = (struct elf32_tic6x_link_hash_entry *) entry; |
| 1559 | eh->dyn_relocs = NULL; |
| 1560 | } |
| 1561 | |
| 1562 | return entry; |
| 1563 | } |
| 1564 | |
| 1565 | /* Create a C6X ELF linker hash table. */ |
| 1566 | |
| 1567 | static struct bfd_link_hash_table * |
| 1568 | elf32_tic6x_link_hash_table_create (bfd *abfd) |
| 1569 | { |
| 1570 | struct elf32_tic6x_link_hash_table *ret; |
| 1571 | bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table); |
| 1572 | |
| 1573 | ret = bfd_zmalloc (amt); |
| 1574 | if (ret == NULL) |
| 1575 | return NULL; |
| 1576 | |
| 1577 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, |
| 1578 | elf32_tic6x_link_hash_newfunc, |
| 1579 | sizeof (struct elf32_tic6x_link_hash_entry), |
| 1580 | TIC6X_ELF_DATA)) |
| 1581 | { |
| 1582 | free (ret); |
| 1583 | return NULL; |
| 1584 | } |
| 1585 | |
| 1586 | ret->obfd = abfd; |
| 1587 | ret->elf.is_relocatable_executable = 1; |
| 1588 | |
| 1589 | return &ret->elf.root; |
| 1590 | } |
| 1591 | |
| 1592 | static bfd_boolean |
| 1593 | elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info) |
| 1594 | { |
| 1595 | if (info->shared) |
| 1596 | { |
| 1597 | obj_attribute *out_attr; |
| 1598 | out_attr = elf_known_obj_attributes_proc (abfd); |
| 1599 | if (out_attr[Tag_ABI_PIC].i == 0) |
| 1600 | { |
| 1601 | _bfd_error_handler (_("warning: generating a shared library " |
| 1602 | "containing non-PIC code")); |
| 1603 | } |
| 1604 | if (out_attr[Tag_ABI_PID].i == 0) |
| 1605 | { |
| 1606 | _bfd_error_handler (_("warning: generating a shared library " |
| 1607 | "containing non-PID code")); |
| 1608 | } |
| 1609 | } |
| 1610 | /* Invoke the regular ELF backend linker to do all the work. */ |
| 1611 | if (!bfd_elf_final_link (abfd, info)) |
| 1612 | return FALSE; |
| 1613 | |
| 1614 | return TRUE; |
| 1615 | } |
| 1616 | |
| 1617 | /* Called to pass PARAMS to the backend. We store them in the hash table |
| 1618 | associated with INFO. */ |
| 1619 | |
| 1620 | void |
| 1621 | elf32_tic6x_setup (struct bfd_link_info *info, |
| 1622 | struct elf32_tic6x_params *params) |
| 1623 | { |
| 1624 | struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info); |
| 1625 | htab->params = *params; |
| 1626 | } |
| 1627 | |
| 1628 | /* Determine if we're dealing with a DSBT object. */ |
| 1629 | |
| 1630 | static bfd_boolean |
| 1631 | elf32_tic6x_using_dsbt (bfd *abfd) |
| 1632 | { |
| 1633 | return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, |
| 1634 | Tag_ABI_DSBT); |
| 1635 | } |
| 1636 | |
| 1637 | /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt |
| 1638 | sections in DYNOBJ, and set up shortcuts to them in our hash |
| 1639 | table. */ |
| 1640 | |
| 1641 | static bfd_boolean |
| 1642 | elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) |
| 1643 | { |
| 1644 | struct elf32_tic6x_link_hash_table *htab; |
| 1645 | flagword flags; |
| 1646 | |
| 1647 | htab = elf32_tic6x_hash_table (info); |
| 1648 | if (htab == NULL) |
| 1649 | return FALSE; |
| 1650 | |
| 1651 | if (!_bfd_elf_create_dynamic_sections (dynobj, info)) |
| 1652 | return FALSE; |
| 1653 | |
| 1654 | /* Create .dsbt */ |
| 1655 | flags = (SEC_ALLOC | SEC_LOAD |
| 1656 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED); |
| 1657 | htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt", |
| 1658 | flags); |
| 1659 | if (htab->dsbt == NULL |
| 1660 | || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2) |
| 1661 | || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5)) |
| 1662 | return FALSE; |
| 1663 | |
| 1664 | htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); |
| 1665 | if (!info->shared) |
| 1666 | htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); |
| 1667 | |
| 1668 | if (!htab->sdynbss |
| 1669 | || (!info->shared && !htab->srelbss)) |
| 1670 | abort (); |
| 1671 | |
| 1672 | return TRUE; |
| 1673 | } |
| 1674 | |
| 1675 | static bfd_boolean |
| 1676 | elf32_tic6x_mkobject (bfd *abfd) |
| 1677 | { |
| 1678 | bfd_boolean ret; |
| 1679 | |
| 1680 | ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata), |
| 1681 | TIC6X_ELF_DATA); |
| 1682 | if (ret) |
| 1683 | elf32_tic6x_set_use_rela_p (abfd, TRUE); |
| 1684 | return ret; |
| 1685 | } |
| 1686 | |
| 1687 | /* Install relocation RELA into section SRELA, incrementing its |
| 1688 | reloc_count. */ |
| 1689 | |
| 1690 | static void |
| 1691 | elf32_tic6x_install_rela (bfd *output_bfd, asection *srela, |
| 1692 | Elf_Internal_Rela *rela) |
| 1693 | { |
| 1694 | bfd_byte *loc; |
| 1695 | bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela); |
| 1696 | loc = srela->contents + off; |
| 1697 | BFD_ASSERT (off < srela->size); |
| 1698 | bfd_elf32_swap_reloca_out (output_bfd, rela, loc); |
| 1699 | } |
| 1700 | |
| 1701 | /* Create a dynamic reloc against the GOT at offset OFFSET. The contents |
| 1702 | of the GOT at this offset have been initialized with the relocation. */ |
| 1703 | |
| 1704 | static void |
| 1705 | elf32_tic6x_make_got_dynreloc (bfd *output_bfd, |
| 1706 | struct elf32_tic6x_link_hash_table *htab, |
| 1707 | asection *sym_sec, bfd_vma offset) |
| 1708 | { |
| 1709 | asection *sgot = htab->elf.sgot; |
| 1710 | Elf_Internal_Rela outrel; |
| 1711 | int dynindx; |
| 1712 | |
| 1713 | outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset; |
| 1714 | outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset); |
| 1715 | if (sym_sec && sym_sec->output_section |
| 1716 | && ! bfd_is_abs_section (sym_sec->output_section) |
| 1717 | && ! bfd_is_und_section (sym_sec->output_section)) |
| 1718 | { |
| 1719 | dynindx = elf_section_data (sym_sec->output_section)->dynindx; |
| 1720 | outrel.r_addend -= sym_sec->output_section->vma; |
| 1721 | } |
| 1722 | else |
| 1723 | { |
| 1724 | dynindx = 0; |
| 1725 | } |
| 1726 | outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32); |
| 1727 | elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel); |
| 1728 | } |
| 1729 | |
| 1730 | /* Finish up dynamic symbol handling. We set the contents of various |
| 1731 | dynamic sections here. */ |
| 1732 | |
| 1733 | static bfd_boolean |
| 1734 | elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd, |
| 1735 | struct bfd_link_info *info, |
| 1736 | struct elf_link_hash_entry *h, |
| 1737 | Elf_Internal_Sym * sym) |
| 1738 | { |
| 1739 | bfd *dynobj; |
| 1740 | struct elf32_tic6x_link_hash_table *htab; |
| 1741 | |
| 1742 | htab = elf32_tic6x_hash_table (info); |
| 1743 | dynobj = htab->elf.dynobj; |
| 1744 | |
| 1745 | if (h->plt.offset != (bfd_vma) -1) |
| 1746 | { |
| 1747 | bfd_vma plt_index; |
| 1748 | bfd_vma got_section_offset, got_dp_offset, rela_offset; |
| 1749 | Elf_Internal_Rela rela; |
| 1750 | bfd_byte *loc; |
| 1751 | asection *plt, *gotplt, *relplt; |
| 1752 | const struct elf_backend_data *bed; |
| 1753 | |
| 1754 | bed = get_elf_backend_data (output_bfd); |
| 1755 | |
| 1756 | BFD_ASSERT (htab->elf.splt != NULL); |
| 1757 | plt = htab->elf.splt; |
| 1758 | gotplt = htab->elf.sgotplt; |
| 1759 | relplt = htab->elf.srelplt; |
| 1760 | |
| 1761 | /* This symbol has an entry in the procedure linkage table. Set |
| 1762 | it up. */ |
| 1763 | |
| 1764 | if ((h->dynindx == -1 |
| 1765 | && !((h->forced_local || info->executable) |
| 1766 | && h->def_regular |
| 1767 | && h->type == STT_GNU_IFUNC)) |
| 1768 | || plt == NULL |
| 1769 | || gotplt == NULL |
| 1770 | || relplt == NULL) |
| 1771 | abort (); |
| 1772 | |
| 1773 | /* Get the index in the procedure linkage table which |
| 1774 | corresponds to this symbol. This is the index of this symbol |
| 1775 | in all the symbols for which we are making plt entries. The |
| 1776 | first entry in the procedure linkage table is reserved. |
| 1777 | |
| 1778 | Get the offset into the .got table of the entry that |
| 1779 | corresponds to this function. Each .got entry is 4 bytes. |
| 1780 | The first three are reserved. |
| 1781 | |
| 1782 | For static executables, we don't reserve anything. */ |
| 1783 | |
| 1784 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; |
| 1785 | got_section_offset = plt_index + bed->got_header_size / 4; |
| 1786 | got_dp_offset = got_section_offset + htab->params.dsbt_size; |
| 1787 | rela_offset = plt_index * sizeof (Elf32_External_Rela); |
| 1788 | |
| 1789 | got_section_offset *= 4; |
| 1790 | |
| 1791 | /* Fill in the entry in the procedure linkage table. */ |
| 1792 | |
| 1793 | /* ldw .d2t2 *+B14($GOT(f)), b2 */ |
| 1794 | bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e, |
| 1795 | plt->contents + h->plt.offset); |
| 1796 | /* mvk .s2 low(rela_offset), b0 */ |
| 1797 | bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a, |
| 1798 | plt->contents + h->plt.offset + 4); |
| 1799 | /* mvkh .s2 high(rela_offset), b0 */ |
| 1800 | bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a, |
| 1801 | plt->contents + h->plt.offset + 8); |
| 1802 | /* nop 2 */ |
| 1803 | bfd_put_32 (output_bfd, 0x00002000, |
| 1804 | plt->contents + h->plt.offset + 12); |
| 1805 | /* b .s2 b2 */ |
| 1806 | bfd_put_32 (output_bfd, 0x00080362, |
| 1807 | plt->contents + h->plt.offset + 16); |
| 1808 | /* nop 5 */ |
| 1809 | bfd_put_32 (output_bfd, 0x00008000, |
| 1810 | plt->contents + h->plt.offset + 20); |
| 1811 | |
| 1812 | /* Fill in the entry in the global offset table. */ |
| 1813 | bfd_put_32 (output_bfd, |
| 1814 | (plt->output_section->vma + plt->output_offset), |
| 1815 | gotplt->contents + got_section_offset); |
| 1816 | |
| 1817 | /* Fill in the entry in the .rel.plt section. */ |
| 1818 | rela.r_offset = (gotplt->output_section->vma |
| 1819 | + gotplt->output_offset |
| 1820 | + got_section_offset); |
| 1821 | rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT); |
| 1822 | rela.r_addend = 0; |
| 1823 | loc = relplt->contents + rela_offset; |
| 1824 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
| 1825 | |
| 1826 | if (!h->def_regular) |
| 1827 | { |
| 1828 | /* Mark the symbol as undefined, rather than as defined in |
| 1829 | the .plt section. */ |
| 1830 | sym->st_shndx = SHN_UNDEF; |
| 1831 | sym->st_value = 0; |
| 1832 | } |
| 1833 | } |
| 1834 | |
| 1835 | if (h->got.offset != (bfd_vma) -1) |
| 1836 | { |
| 1837 | asection *sgot; |
| 1838 | asection *srela; |
| 1839 | |
| 1840 | /* This symbol has an entry in the global offset table. |
| 1841 | Set it up. */ |
| 1842 | |
| 1843 | sgot = bfd_get_linker_section (dynobj, ".got"); |
| 1844 | srela = bfd_get_linker_section (dynobj, ".rela.got"); |
| 1845 | BFD_ASSERT (sgot != NULL && srela != NULL); |
| 1846 | |
| 1847 | /* If this is a -Bsymbolic link, and the symbol is defined |
| 1848 | locally, we just want to emit a RELATIVE reloc. Likewise if |
| 1849 | the symbol was forced to be local because of a version file. |
| 1850 | The entry in the global offset table will already have been |
| 1851 | initialized in the relocate_section function. */ |
| 1852 | if (info->shared |
| 1853 | && (info->symbolic |
| 1854 | || h->dynindx == -1 || h->forced_local) && h->def_regular) |
| 1855 | { |
| 1856 | asection *s = h->root.u.def.section; |
| 1857 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, s, |
| 1858 | h->got.offset & ~(bfd_vma) 1); |
| 1859 | } |
| 1860 | else |
| 1861 | { |
| 1862 | Elf_Internal_Rela outrel; |
| 1863 | bfd_put_32 (output_bfd, (bfd_vma) 0, |
| 1864 | sgot->contents + (h->got.offset & ~(bfd_vma) 1)); |
| 1865 | outrel.r_offset = (sgot->output_section->vma |
| 1866 | + sgot->output_offset |
| 1867 | + (h->got.offset & ~(bfd_vma) 1)); |
| 1868 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32); |
| 1869 | outrel.r_addend = 0; |
| 1870 | |
| 1871 | elf32_tic6x_install_rela (output_bfd, srela, &outrel); |
| 1872 | } |
| 1873 | } |
| 1874 | |
| 1875 | if (h->needs_copy) |
| 1876 | { |
| 1877 | Elf_Internal_Rela rel; |
| 1878 | |
| 1879 | /* This symbol needs a copy reloc. Set it up. */ |
| 1880 | |
| 1881 | if (h->dynindx == -1 |
| 1882 | || (h->root.type != bfd_link_hash_defined |
| 1883 | && h->root.type != bfd_link_hash_defweak) |
| 1884 | || htab->srelbss == NULL) |
| 1885 | abort (); |
| 1886 | |
| 1887 | rel.r_offset = (h->root.u.def.value |
| 1888 | + h->root.u.def.section->output_section->vma |
| 1889 | + h->root.u.def.section->output_offset); |
| 1890 | rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY); |
| 1891 | rel.r_addend = 0; |
| 1892 | |
| 1893 | elf32_tic6x_install_rela (output_bfd, htab->srelbss, &rel); |
| 1894 | } |
| 1895 | |
| 1896 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ |
| 1897 | if (h == elf_hash_table (info)->hdynamic |
| 1898 | || h == elf_hash_table (info)->hgot) |
| 1899 | sym->st_shndx = SHN_ABS; |
| 1900 | |
| 1901 | return TRUE; |
| 1902 | } |
| 1903 | |
| 1904 | /* Unwinding tables are not referenced directly. This pass marks them as |
| 1905 | required if the corresponding code section is marked. */ |
| 1906 | |
| 1907 | static bfd_boolean |
| 1908 | elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info, |
| 1909 | elf_gc_mark_hook_fn gc_mark_hook) |
| 1910 | { |
| 1911 | bfd *sub; |
| 1912 | Elf_Internal_Shdr **elf_shdrp; |
| 1913 | bfd_boolean again; |
| 1914 | |
| 1915 | _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook); |
| 1916 | |
| 1917 | /* Marking EH data may cause additional code sections to be marked, |
| 1918 | requiring multiple passes. */ |
| 1919 | again = TRUE; |
| 1920 | while (again) |
| 1921 | { |
| 1922 | again = FALSE; |
| 1923 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) |
| 1924 | { |
| 1925 | asection *o; |
| 1926 | |
| 1927 | if (! is_tic6x_elf (sub)) |
| 1928 | continue; |
| 1929 | |
| 1930 | elf_shdrp = elf_elfsections (sub); |
| 1931 | for (o = sub->sections; o != NULL; o = o->next) |
| 1932 | { |
| 1933 | Elf_Internal_Shdr *hdr; |
| 1934 | |
| 1935 | hdr = &elf_section_data (o)->this_hdr; |
| 1936 | if (hdr->sh_type == SHT_C6000_UNWIND |
| 1937 | && hdr->sh_link |
| 1938 | && hdr->sh_link < elf_numsections (sub) |
| 1939 | && !o->gc_mark |
| 1940 | && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark) |
| 1941 | { |
| 1942 | again = TRUE; |
| 1943 | if (!_bfd_elf_gc_mark (info, o, gc_mark_hook)) |
| 1944 | return FALSE; |
| 1945 | } |
| 1946 | } |
| 1947 | } |
| 1948 | } |
| 1949 | |
| 1950 | return TRUE; |
| 1951 | } |
| 1952 | |
| 1953 | /* Return TRUE if this is an unwinding table index. */ |
| 1954 | |
| 1955 | static bfd_boolean |
| 1956 | is_tic6x_elf_unwind_section_name (const char *name) |
| 1957 | { |
| 1958 | return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind) |
| 1959 | || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once)); |
| 1960 | } |
| 1961 | |
| 1962 | |
| 1963 | /* Set the type and flags for an unwinding index table. We do this by |
| 1964 | the section name, which is a hack, but ought to work. */ |
| 1965 | |
| 1966 | static bfd_boolean |
| 1967 | elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
| 1968 | Elf_Internal_Shdr *hdr, asection *sec) |
| 1969 | { |
| 1970 | const char * name; |
| 1971 | |
| 1972 | name = bfd_get_section_name (abfd, sec); |
| 1973 | |
| 1974 | if (is_tic6x_elf_unwind_section_name (name)) |
| 1975 | { |
| 1976 | hdr->sh_type = SHT_C6000_UNWIND; |
| 1977 | hdr->sh_flags |= SHF_LINK_ORDER; |
| 1978 | } |
| 1979 | |
| 1980 | return TRUE; |
| 1981 | } |
| 1982 | |
| 1983 | /* Update the got entry reference counts for the section being removed. */ |
| 1984 | |
| 1985 | static bfd_boolean |
| 1986 | elf32_tic6x_gc_sweep_hook (bfd *abfd, |
| 1987 | struct bfd_link_info *info, |
| 1988 | asection *sec, |
| 1989 | const Elf_Internal_Rela *relocs) |
| 1990 | { |
| 1991 | struct elf32_tic6x_link_hash_table *htab; |
| 1992 | Elf_Internal_Shdr *symtab_hdr; |
| 1993 | struct elf_link_hash_entry **sym_hashes; |
| 1994 | bfd_signed_vma *local_got_refcounts; |
| 1995 | const Elf_Internal_Rela *rel, *relend; |
| 1996 | |
| 1997 | if (info->relocatable) |
| 1998 | return TRUE; |
| 1999 | |
| 2000 | htab = elf32_tic6x_hash_table (info); |
| 2001 | if (htab == NULL) |
| 2002 | return FALSE; |
| 2003 | |
| 2004 | elf_section_data (sec)->local_dynrel = NULL; |
| 2005 | |
| 2006 | symtab_hdr = &elf_symtab_hdr (abfd); |
| 2007 | sym_hashes = elf_sym_hashes (abfd); |
| 2008 | local_got_refcounts = elf_local_got_refcounts (abfd); |
| 2009 | |
| 2010 | relend = relocs + sec->reloc_count; |
| 2011 | for (rel = relocs; rel < relend; rel++) |
| 2012 | { |
| 2013 | unsigned long r_symndx; |
| 2014 | unsigned int r_type; |
| 2015 | struct elf_link_hash_entry *h = NULL; |
| 2016 | |
| 2017 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 2018 | if (r_symndx >= symtab_hdr->sh_info) |
| 2019 | { |
| 2020 | struct elf32_tic6x_link_hash_entry *eh; |
| 2021 | struct elf_dyn_relocs **pp; |
| 2022 | struct elf_dyn_relocs *p; |
| 2023 | |
| 2024 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
| 2025 | while (h->root.type == bfd_link_hash_indirect |
| 2026 | || h->root.type == bfd_link_hash_warning) |
| 2027 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| 2028 | eh = (struct elf32_tic6x_link_hash_entry *) h; |
| 2029 | |
| 2030 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) |
| 2031 | if (p->sec == sec) |
| 2032 | { |
| 2033 | /* Everything must go for SEC. */ |
| 2034 | *pp = p->next; |
| 2035 | break; |
| 2036 | } |
| 2037 | } |
| 2038 | |
| 2039 | r_type = ELF32_R_TYPE (rel->r_info); |
| 2040 | |
| 2041 | switch (r_type) |
| 2042 | { |
| 2043 | case R_C6000_SBR_GOT_U15_W: |
| 2044 | case R_C6000_SBR_GOT_L16_W: |
| 2045 | case R_C6000_SBR_GOT_H16_W: |
| 2046 | case R_C6000_EHTYPE: |
| 2047 | if (h != NULL) |
| 2048 | { |
| 2049 | if (h->got.refcount > 0) |
| 2050 | h->got.refcount -= 1; |
| 2051 | } |
| 2052 | else if (local_got_refcounts != NULL) |
| 2053 | { |
| 2054 | if (local_got_refcounts[r_symndx] > 0) |
| 2055 | local_got_refcounts[r_symndx] -= 1; |
| 2056 | } |
| 2057 | break; |
| 2058 | |
| 2059 | default: |
| 2060 | break; |
| 2061 | } |
| 2062 | } |
| 2063 | |
| 2064 | return TRUE; |
| 2065 | } |
| 2066 | |
| 2067 | /* Adjust a symbol defined by a dynamic object and referenced by a |
| 2068 | regular object. The current definition is in some section of the |
| 2069 | dynamic object, but we're not including those sections. We have to |
| 2070 | change the definition to something the rest of the link can |
| 2071 | understand. */ |
| 2072 | |
| 2073 | static bfd_boolean |
| 2074 | elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info, |
| 2075 | struct elf_link_hash_entry *h) |
| 2076 | { |
| 2077 | struct elf32_tic6x_link_hash_table *htab; |
| 2078 | bfd *dynobj; |
| 2079 | asection *s; |
| 2080 | |
| 2081 | dynobj = elf_hash_table (info)->dynobj; |
| 2082 | |
| 2083 | /* Make sure we know what is going on here. */ |
| 2084 | BFD_ASSERT (dynobj != NULL |
| 2085 | && (h->needs_plt |
| 2086 | || h->u.weakdef != NULL |
| 2087 | || (h->def_dynamic && h->ref_regular && !h->def_regular))); |
| 2088 | |
| 2089 | /* If this is a function, put it in the procedure linkage table. We |
| 2090 | will fill in the contents of the procedure linkage table later, |
| 2091 | when we know the address of the .got section. */ |
| 2092 | if (h->type == STT_FUNC |
| 2093 | || h->needs_plt) |
| 2094 | { |
| 2095 | if (h->plt.refcount <= 0 |
| 2096 | || SYMBOL_CALLS_LOCAL (info, h) |
| 2097 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT |
| 2098 | && h->root.type == bfd_link_hash_undefweak)) |
| 2099 | { |
| 2100 | /* This case can occur if we saw a PLT32 reloc in an input |
| 2101 | file, but the symbol was never referred to by a dynamic |
| 2102 | object, or if all references were garbage collected. In |
| 2103 | such a case, we don't actually need to build a procedure |
| 2104 | linkage table, and we can just do a PC32 reloc instead. */ |
| 2105 | h->plt.offset = (bfd_vma) -1; |
| 2106 | h->needs_plt = 0; |
| 2107 | } |
| 2108 | |
| 2109 | return TRUE; |
| 2110 | } |
| 2111 | |
| 2112 | /* If this is a weak symbol, and there is a real definition, the |
| 2113 | processor independent code will have arranged for us to see the |
| 2114 | real definition first, and we can just use the same value. */ |
| 2115 | if (h->u.weakdef != NULL) |
| 2116 | { |
| 2117 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
| 2118 | || h->u.weakdef->root.type == bfd_link_hash_defweak); |
| 2119 | h->root.u.def.section = h->u.weakdef->root.u.def.section; |
| 2120 | h->root.u.def.value = h->u.weakdef->root.u.def.value; |
| 2121 | h->non_got_ref = h->u.weakdef->non_got_ref; |
| 2122 | return TRUE; |
| 2123 | } |
| 2124 | |
| 2125 | /* This is a reference to a symbol defined by a dynamic object which |
| 2126 | is not a function. */ |
| 2127 | |
| 2128 | /* If we are creating a shared library, we must presume that the |
| 2129 | only references to the symbol are via the global offset table. |
| 2130 | For such cases we need not do anything here; the relocations will |
| 2131 | be handled correctly by relocate_section. */ |
| 2132 | if (info->shared) |
| 2133 | return TRUE; |
| 2134 | |
| 2135 | /* If there are no references to this symbol that do not use the |
| 2136 | GOT, we don't need to generate a copy reloc. */ |
| 2137 | if (!h->non_got_ref) |
| 2138 | return TRUE; |
| 2139 | |
| 2140 | /* If -z nocopyreloc was given, we won't generate them either. */ |
| 2141 | if (info->nocopyreloc) |
| 2142 | { |
| 2143 | h->non_got_ref = 0; |
| 2144 | return TRUE; |
| 2145 | } |
| 2146 | |
| 2147 | htab = elf32_tic6x_hash_table (info); |
| 2148 | if (htab == NULL) |
| 2149 | return FALSE; |
| 2150 | |
| 2151 | /* We must allocate the symbol in our .dynbss section, which will |
| 2152 | become part of the .bss section of the executable. There will be |
| 2153 | an entry for this symbol in the .dynsym section. The dynamic |
| 2154 | object will contain position independent code, so all references |
| 2155 | from the dynamic object to this symbol will go through the global |
| 2156 | offset table. The dynamic linker will use the .dynsym entry to |
| 2157 | determine the address it must put in the global offset table, so |
| 2158 | both the dynamic object and the regular object will refer to the |
| 2159 | same memory location for the variable. */ |
| 2160 | |
| 2161 | /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to |
| 2162 | copy the initial value out of the dynamic object and into the |
| 2163 | runtime process image. */ |
| 2164 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
| 2165 | { |
| 2166 | htab->srelbss->size += sizeof (Elf32_External_Rela); |
| 2167 | h->needs_copy = 1; |
| 2168 | } |
| 2169 | |
| 2170 | s = htab->sdynbss; |
| 2171 | |
| 2172 | return _bfd_elf_adjust_dynamic_copy (h, s); |
| 2173 | } |
| 2174 | |
| 2175 | static bfd_boolean |
| 2176 | elf32_tic6x_new_section_hook (bfd *abfd, asection *sec) |
| 2177 | { |
| 2178 | bfd_boolean ret; |
| 2179 | |
| 2180 | /* Allocate target specific section data. */ |
| 2181 | if (!sec->used_by_bfd) |
| 2182 | { |
| 2183 | _tic6x_elf_section_data *sdata; |
| 2184 | bfd_size_type amt = sizeof (*sdata); |
| 2185 | |
| 2186 | sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt); |
| 2187 | if (sdata == NULL) |
| 2188 | return FALSE; |
| 2189 | sec->used_by_bfd = sdata; |
| 2190 | } |
| 2191 | |
| 2192 | ret = _bfd_elf_new_section_hook (abfd, sec); |
| 2193 | sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p; |
| 2194 | |
| 2195 | return ret; |
| 2196 | } |
| 2197 | |
| 2198 | /* Return true if relocation REL against section SEC is a REL rather |
| 2199 | than RELA relocation. RELOCS is the first relocation in the |
| 2200 | section and ABFD is the bfd that contains SEC. */ |
| 2201 | |
| 2202 | static bfd_boolean |
| 2203 | elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec, |
| 2204 | const Elf_Internal_Rela *relocs, |
| 2205 | const Elf_Internal_Rela *rel) |
| 2206 | { |
| 2207 | Elf_Internal_Shdr *rel_hdr; |
| 2208 | const struct elf_backend_data *bed; |
| 2209 | |
| 2210 | /* To determine which flavor of relocation this is, we depend on the |
| 2211 | fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */ |
| 2212 | rel_hdr = elf_section_data (sec)->rel.hdr; |
| 2213 | if (rel_hdr == NULL) |
| 2214 | return FALSE; |
| 2215 | bed = get_elf_backend_data (abfd); |
| 2216 | return ((size_t) (rel - relocs) |
| 2217 | < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel); |
| 2218 | } |
| 2219 | |
| 2220 | /* We need dynamic symbols for every section, since segments can |
| 2221 | relocate independently. */ |
| 2222 | static bfd_boolean |
| 2223 | elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED, |
| 2224 | struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 2225 | asection *p) |
| 2226 | { |
| 2227 | switch (elf_section_data (p)->this_hdr.sh_type) |
| 2228 | { |
| 2229 | case SHT_PROGBITS: |
| 2230 | case SHT_NOBITS: |
| 2231 | /* If sh_type is yet undecided, assume it could be |
| 2232 | SHT_PROGBITS/SHT_NOBITS. */ |
| 2233 | case SHT_NULL: |
| 2234 | return FALSE; |
| 2235 | |
| 2236 | /* There shouldn't be section relative relocations |
| 2237 | against any other section. */ |
| 2238 | default: |
| 2239 | return TRUE; |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | static bfd_boolean |
| 2244 | elf32_tic6x_relocate_section (bfd *output_bfd, |
| 2245 | struct bfd_link_info *info, |
| 2246 | bfd *input_bfd, |
| 2247 | asection *input_section, |
| 2248 | bfd_byte *contents, |
| 2249 | Elf_Internal_Rela *relocs, |
| 2250 | Elf_Internal_Sym *local_syms, |
| 2251 | asection **local_sections) |
| 2252 | { |
| 2253 | struct elf32_tic6x_link_hash_table *htab; |
| 2254 | Elf_Internal_Shdr *symtab_hdr; |
| 2255 | struct elf_link_hash_entry **sym_hashes; |
| 2256 | bfd_vma *local_got_offsets; |
| 2257 | Elf_Internal_Rela *rel; |
| 2258 | Elf_Internal_Rela *relend; |
| 2259 | bfd_boolean ok = TRUE; |
| 2260 | |
| 2261 | htab = elf32_tic6x_hash_table (info); |
| 2262 | symtab_hdr = & elf_symtab_hdr (input_bfd); |
| 2263 | sym_hashes = elf_sym_hashes (input_bfd); |
| 2264 | local_got_offsets = elf_local_got_offsets (input_bfd); |
| 2265 | |
| 2266 | relend = relocs + input_section->reloc_count; |
| 2267 | |
| 2268 | for (rel = relocs; rel < relend; rel ++) |
| 2269 | { |
| 2270 | int r_type; |
| 2271 | unsigned long r_symndx; |
| 2272 | arelent bfd_reloc; |
| 2273 | reloc_howto_type *howto; |
| 2274 | Elf_Internal_Sym *sym; |
| 2275 | asection *sec; |
| 2276 | struct elf_link_hash_entry *h; |
| 2277 | bfd_vma off, off2, relocation; |
| 2278 | bfd_boolean unresolved_reloc; |
| 2279 | bfd_reloc_status_type r; |
| 2280 | struct bfd_link_hash_entry *sbh; |
| 2281 | bfd_boolean is_rel; |
| 2282 | |
| 2283 | r_type = ELF32_R_TYPE (rel->r_info); |
| 2284 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 2285 | |
| 2286 | is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section, |
| 2287 | relocs, rel); |
| 2288 | |
| 2289 | if (is_rel) |
| 2290 | elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel); |
| 2291 | else |
| 2292 | elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel); |
| 2293 | howto = bfd_reloc.howto; |
| 2294 | if (howto == NULL) |
| 2295 | { |
| 2296 | bfd_set_error (bfd_error_bad_value); |
| 2297 | return FALSE; |
| 2298 | } |
| 2299 | |
| 2300 | h = NULL; |
| 2301 | sym = NULL; |
| 2302 | sec = NULL; |
| 2303 | unresolved_reloc = FALSE; |
| 2304 | |
| 2305 | if (r_symndx < symtab_hdr->sh_info) |
| 2306 | { |
| 2307 | sym = local_syms + r_symndx; |
| 2308 | sec = local_sections[r_symndx]; |
| 2309 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| 2310 | } |
| 2311 | else |
| 2312 | { |
| 2313 | bfd_boolean warned; |
| 2314 | |
| 2315 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
| 2316 | r_symndx, symtab_hdr, sym_hashes, |
| 2317 | h, sec, relocation, |
| 2318 | unresolved_reloc, warned); |
| 2319 | } |
| 2320 | |
| 2321 | if (sec != NULL && discarded_section (sec)) |
| 2322 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
| 2323 | rel, 1, relend, howto, 0, contents); |
| 2324 | |
| 2325 | if (info->relocatable) |
| 2326 | { |
| 2327 | if (is_rel |
| 2328 | && sym != NULL |
| 2329 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
| 2330 | { |
| 2331 | rel->r_addend = 0; |
| 2332 | relocation = sec->output_offset + sym->st_value; |
| 2333 | r = _bfd_relocate_contents (howto, input_bfd, relocation, |
| 2334 | contents + rel->r_offset); |
| 2335 | goto done_reloc; |
| 2336 | } |
| 2337 | continue; |
| 2338 | } |
| 2339 | |
| 2340 | switch (r_type) |
| 2341 | { |
| 2342 | case R_C6000_NONE: |
| 2343 | case R_C6000_ALIGN: |
| 2344 | case R_C6000_FPHEAD: |
| 2345 | case R_C6000_NOCMP: |
| 2346 | /* No action needed. */ |
| 2347 | continue; |
| 2348 | |
| 2349 | case R_C6000_PCR_S21: |
| 2350 | /* A branch to an undefined weak symbol is turned into a |
| 2351 | "b .s2 B3" instruction if the existing insn is of the |
| 2352 | form "b .s2 symbol". */ |
| 2353 | if (h ? h->root.type == bfd_link_hash_undefweak |
| 2354 | && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1) |
| 2355 | : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) |
| 2356 | { |
| 2357 | unsigned long oldval; |
| 2358 | oldval = bfd_get_32 (input_bfd, contents + rel->r_offset); |
| 2359 | |
| 2360 | if ((oldval & 0x7e) == 0x12) |
| 2361 | { |
| 2362 | oldval &= 0xF0000001; |
| 2363 | bfd_put_32 (input_bfd, oldval | 0x000c0362, |
| 2364 | contents + rel->r_offset); |
| 2365 | r = bfd_reloc_ok; |
| 2366 | goto done_reloc; |
| 2367 | } |
| 2368 | } |
| 2369 | |
| 2370 | case R_C6000_PCR_S12: |
| 2371 | case R_C6000_PCR_S10: |
| 2372 | case R_C6000_PCR_S7: |
| 2373 | if (h != NULL |
| 2374 | && h->plt.offset != (bfd_vma) -1 |
| 2375 | && htab->elf.splt != NULL) |
| 2376 | { |
| 2377 | relocation = (htab->elf.splt->output_section->vma |
| 2378 | + htab->elf.splt->output_offset |
| 2379 | + h->plt.offset); |
| 2380 | } |
| 2381 | |
| 2382 | /* Generic PC-relative handling produces a value relative to |
| 2383 | the exact location of the relocation. Adjust it to be |
| 2384 | relative to the start of the fetch packet instead. */ |
| 2385 | relocation += (input_section->output_section->vma |
| 2386 | + input_section->output_offset |
| 2387 | + rel->r_offset) & 0x1f; |
| 2388 | unresolved_reloc = FALSE; |
| 2389 | break; |
| 2390 | |
| 2391 | case R_C6000_PCR_H16: |
| 2392 | case R_C6000_PCR_L16: |
| 2393 | off = (input_section->output_section->vma |
| 2394 | + input_section->output_offset |
| 2395 | + rel->r_offset); |
| 2396 | /* These must be calculated as R = S - FP(FP(PC) - A). |
| 2397 | PC, here, is the value we just computed in OFF. RELOCATION |
| 2398 | has the address of S + A. */ |
| 2399 | relocation -= rel->r_addend; |
| 2400 | off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f; |
| 2401 | off2 = relocation - off2; |
| 2402 | relocation = off + off2; |
| 2403 | break; |
| 2404 | |
| 2405 | case R_C6000_DSBT_INDEX: |
| 2406 | relocation = elf32_tic6x_hash_table (info)->params.dsbt_index; |
| 2407 | if (!info->shared || relocation != 0) |
| 2408 | break; |
| 2409 | |
| 2410 | /* fall through */ |
| 2411 | case R_C6000_ABS32: |
| 2412 | case R_C6000_ABS16: |
| 2413 | case R_C6000_ABS8: |
| 2414 | case R_C6000_ABS_S16: |
| 2415 | case R_C6000_ABS_L16: |
| 2416 | case R_C6000_ABS_H16: |
| 2417 | /* When generating a shared object or relocatable executable, these |
| 2418 | relocations are copied into the output file to be resolved at |
| 2419 | run time. */ |
| 2420 | if ((info->shared || elf32_tic6x_using_dsbt (output_bfd)) |
| 2421 | && (input_section->flags & SEC_ALLOC) |
| 2422 | && (h == NULL |
| 2423 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
| 2424 | || h->root.type != bfd_link_hash_undefweak)) |
| 2425 | { |
| 2426 | Elf_Internal_Rela outrel; |
| 2427 | bfd_boolean skip, relocate; |
| 2428 | asection *sreloc; |
| 2429 | |
| 2430 | unresolved_reloc = FALSE; |
| 2431 | |
| 2432 | sreloc = elf_section_data (input_section)->sreloc; |
| 2433 | BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL); |
| 2434 | |
| 2435 | skip = FALSE; |
| 2436 | relocate = FALSE; |
| 2437 | |
| 2438 | outrel.r_offset = |
| 2439 | _bfd_elf_section_offset (output_bfd, info, input_section, |
| 2440 | rel->r_offset); |
| 2441 | if (outrel.r_offset == (bfd_vma) -1) |
| 2442 | skip = TRUE; |
| 2443 | else if (outrel.r_offset == (bfd_vma) -2) |
| 2444 | skip = TRUE, relocate = TRUE; |
| 2445 | outrel.r_offset += (input_section->output_section->vma |
| 2446 | + input_section->output_offset); |
| 2447 | |
| 2448 | if (skip) |
| 2449 | memset (&outrel, 0, sizeof outrel); |
| 2450 | else if (h != NULL |
| 2451 | && h->dynindx != -1 |
| 2452 | && (!info->shared |
| 2453 | || !info->symbolic |
| 2454 | || !h->def_regular)) |
| 2455 | { |
| 2456 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); |
| 2457 | outrel.r_addend = rel->r_addend; |
| 2458 | } |
| 2459 | else |
| 2460 | { |
| 2461 | long indx; |
| 2462 | |
| 2463 | outrel.r_addend = relocation + rel->r_addend; |
| 2464 | |
| 2465 | if (bfd_is_abs_section (sec)) |
| 2466 | indx = 0; |
| 2467 | else if (sec == NULL || sec->owner == NULL) |
| 2468 | { |
| 2469 | bfd_set_error (bfd_error_bad_value); |
| 2470 | return FALSE; |
| 2471 | } |
| 2472 | else |
| 2473 | { |
| 2474 | asection *osec; |
| 2475 | |
| 2476 | osec = sec->output_section; |
| 2477 | indx = elf_section_data (osec)->dynindx; |
| 2478 | outrel.r_addend -= osec->vma; |
| 2479 | BFD_ASSERT (indx != 0); |
| 2480 | } |
| 2481 | |
| 2482 | outrel.r_info = ELF32_R_INFO (indx, r_type); |
| 2483 | } |
| 2484 | |
| 2485 | elf32_tic6x_install_rela (output_bfd, sreloc, &outrel); |
| 2486 | |
| 2487 | /* If this reloc is against an external symbol, we do not want to |
| 2488 | fiddle with the addend. Otherwise, we need to include the symbol |
| 2489 | value so that it becomes an addend for the dynamic reloc. */ |
| 2490 | if (! relocate) |
| 2491 | continue; |
| 2492 | } |
| 2493 | |
| 2494 | /* Generic logic OK. */ |
| 2495 | break; |
| 2496 | |
| 2497 | case R_C6000_SBR_U15_B: |
| 2498 | case R_C6000_SBR_U15_H: |
| 2499 | case R_C6000_SBR_U15_W: |
| 2500 | case R_C6000_SBR_S16: |
| 2501 | case R_C6000_SBR_L16_B: |
| 2502 | case R_C6000_SBR_L16_H: |
| 2503 | case R_C6000_SBR_L16_W: |
| 2504 | case R_C6000_SBR_H16_B: |
| 2505 | case R_C6000_SBR_H16_H: |
| 2506 | case R_C6000_SBR_H16_W: |
| 2507 | sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE", |
| 2508 | FALSE, FALSE, TRUE); |
| 2509 | if (sbh != NULL |
| 2510 | && (sbh->type == bfd_link_hash_defined |
| 2511 | || sbh->type == bfd_link_hash_defweak)) |
| 2512 | { |
| 2513 | if (h ? (h->root.type == bfd_link_hash_undefweak |
| 2514 | && (htab->elf.splt == NULL |
| 2515 | || h->plt.offset == (bfd_vma) -1)) |
| 2516 | : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) |
| 2517 | relocation = 0; |
| 2518 | else |
| 2519 | relocation -= (sbh->u.def.value |
| 2520 | + sbh->u.def.section->output_section->vma |
| 2521 | + sbh->u.def.section->output_offset); |
| 2522 | } |
| 2523 | else |
| 2524 | { |
| 2525 | (*_bfd_error_handler) (_("%B: SB-relative relocation but " |
| 2526 | "__c6xabi_DSBT_BASE not defined"), |
| 2527 | input_bfd); |
| 2528 | ok = FALSE; |
| 2529 | continue; |
| 2530 | } |
| 2531 | break; |
| 2532 | |
| 2533 | case R_C6000_SBR_GOT_U15_W: |
| 2534 | case R_C6000_SBR_GOT_L16_W: |
| 2535 | case R_C6000_SBR_GOT_H16_W: |
| 2536 | case R_C6000_EHTYPE: |
| 2537 | /* Relocation is to the entry for this symbol in the global |
| 2538 | offset table. */ |
| 2539 | if (htab->elf.sgot == NULL) |
| 2540 | abort (); |
| 2541 | |
| 2542 | if (h != NULL) |
| 2543 | { |
| 2544 | bfd_boolean dyn; |
| 2545 | |
| 2546 | off = h->got.offset; |
| 2547 | dyn = htab->elf.dynamic_sections_created; |
| 2548 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) |
| 2549 | || (info->shared |
| 2550 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
| 2551 | || (ELF_ST_VISIBILITY (h->other) |
| 2552 | && h->root.type == bfd_link_hash_undefweak)) |
| 2553 | { |
| 2554 | /* This is actually a static link, or it is a |
| 2555 | -Bsymbolic link and the symbol is defined |
| 2556 | locally, or the symbol was forced to be local |
| 2557 | because of a version file. We must initialize |
| 2558 | this entry in the global offset table. Since the |
| 2559 | offset must always be a multiple of 4, we use the |
| 2560 | least significant bit to record whether we have |
| 2561 | initialized it already. |
| 2562 | |
| 2563 | When doing a dynamic link, we create a .rel.got |
| 2564 | relocation entry to initialize the value. This |
| 2565 | is done in the finish_dynamic_symbol routine. */ |
| 2566 | if ((off & 1) != 0) |
| 2567 | off &= ~1; |
| 2568 | else |
| 2569 | { |
| 2570 | bfd_put_32 (output_bfd, relocation, |
| 2571 | htab->elf.sgot->contents + off); |
| 2572 | h->got.offset |= 1; |
| 2573 | |
| 2574 | if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, |
| 2575 | h) |
| 2576 | && !(ELF_ST_VISIBILITY (h->other) |
| 2577 | && h->root.type == bfd_link_hash_undefweak)) |
| 2578 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, |
| 2579 | off); |
| 2580 | } |
| 2581 | } |
| 2582 | else |
| 2583 | unresolved_reloc = FALSE; |
| 2584 | } |
| 2585 | else |
| 2586 | { |
| 2587 | if (local_got_offsets == NULL) |
| 2588 | abort (); |
| 2589 | |
| 2590 | off = local_got_offsets[r_symndx]; |
| 2591 | |
| 2592 | /* The offset must always be a multiple of 4. We use |
| 2593 | the least significant bit to record whether we have |
| 2594 | already generated the necessary reloc. */ |
| 2595 | if ((off & 1) != 0) |
| 2596 | off &= ~1; |
| 2597 | else |
| 2598 | { |
| 2599 | bfd_put_32 (output_bfd, relocation, |
| 2600 | htab->elf.sgot->contents + off); |
| 2601 | |
| 2602 | if (info->shared || elf32_tic6x_using_dsbt (output_bfd)) |
| 2603 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off); |
| 2604 | |
| 2605 | local_got_offsets[r_symndx] |= 1; |
| 2606 | } |
| 2607 | } |
| 2608 | |
| 2609 | if (off >= (bfd_vma) -2) |
| 2610 | abort (); |
| 2611 | |
| 2612 | if (htab->dsbt) |
| 2613 | relocation = (htab->elf.sgot->output_section->vma |
| 2614 | + htab->elf.sgot->output_offset + off |
| 2615 | - htab->dsbt->output_section->vma |
| 2616 | - htab->dsbt->output_offset); |
| 2617 | else |
| 2618 | relocation = (htab->elf.sgot->output_section->vma |
| 2619 | + htab->elf.sgot->output_offset + off |
| 2620 | - htab->elf.sgotplt->output_section->vma |
| 2621 | - htab->elf.sgotplt->output_offset); |
| 2622 | |
| 2623 | if (rel->r_addend != 0) |
| 2624 | { |
| 2625 | /* We can't do anything for a relocation which is against |
| 2626 | a symbol *plus offset*. GOT holds relocations for |
| 2627 | symbols. Make this an error; the compiler isn't |
| 2628 | allowed to pass us these kinds of things. */ |
| 2629 | if (h == NULL) |
| 2630 | (*_bfd_error_handler) |
| 2631 | (_("%B, section %A: relocation %s with non-zero addend %d" |
| 2632 | " against local symbol"), |
| 2633 | input_bfd, |
| 2634 | input_section, |
| 2635 | elf32_tic6x_howto_table[r_type].name, |
| 2636 | rel->r_addend); |
| 2637 | else |
| 2638 | (*_bfd_error_handler) |
| 2639 | (_("%B, section %A: relocation %s with non-zero addend %d" |
| 2640 | " against symbol `%s'"), |
| 2641 | input_bfd, |
| 2642 | input_section, |
| 2643 | elf32_tic6x_howto_table[r_type].name, |
| 2644 | rel->r_addend, |
| 2645 | h->root.root.string[0] != '\0' ? h->root.root.string |
| 2646 | : _("[whose name is lost]")); |
| 2647 | |
| 2648 | bfd_set_error (bfd_error_bad_value); |
| 2649 | return FALSE; |
| 2650 | } |
| 2651 | break; |
| 2652 | |
| 2653 | case R_C6000_PREL31: |
| 2654 | if (h != NULL |
| 2655 | && h->plt.offset != (bfd_vma) -1 |
| 2656 | && htab->elf.splt != NULL) |
| 2657 | { |
| 2658 | relocation = (htab->elf.splt->output_section->vma |
| 2659 | + htab->elf.splt->output_offset |
| 2660 | + h->plt.offset); |
| 2661 | } |
| 2662 | break; |
| 2663 | |
| 2664 | case R_C6000_COPY: |
| 2665 | /* Invalid in relocatable object. */ |
| 2666 | default: |
| 2667 | /* Unknown relocation. */ |
| 2668 | (*_bfd_error_handler) (_("%B: invalid relocation type %d"), |
| 2669 | input_bfd, r_type); |
| 2670 | ok = FALSE; |
| 2671 | continue; |
| 2672 | } |
| 2673 | |
| 2674 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| 2675 | contents, rel->r_offset, |
| 2676 | relocation, rel->r_addend); |
| 2677 | |
| 2678 | done_reloc: |
| 2679 | if (r == bfd_reloc_ok |
| 2680 | && howto->complain_on_overflow == complain_overflow_bitfield) |
| 2681 | { |
| 2682 | /* Generic overflow handling accepts cases the ABI says |
| 2683 | should be rejected for R_C6000_ABS16 and |
| 2684 | R_C6000_ABS8. */ |
| 2685 | bfd_vma value = (relocation + rel->r_addend) & 0xffffffff; |
| 2686 | bfd_vma sbit = 1 << (howto->bitsize - 1); |
| 2687 | bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff; |
| 2688 | bfd_vma value_sbits = value & sbits; |
| 2689 | |
| 2690 | if (value_sbits != 0 |
| 2691 | && value_sbits != sbit |
| 2692 | && value_sbits != sbits) |
| 2693 | r = bfd_reloc_overflow; |
| 2694 | } |
| 2695 | |
| 2696 | if (r != bfd_reloc_ok) |
| 2697 | { |
| 2698 | const char *name; |
| 2699 | const char *error_message; |
| 2700 | |
| 2701 | if (h != NULL) |
| 2702 | name = h->root.root.string; |
| 2703 | else |
| 2704 | { |
| 2705 | name = bfd_elf_string_from_elf_section (input_bfd, |
| 2706 | symtab_hdr->sh_link, |
| 2707 | sym->st_name); |
| 2708 | if (name == NULL) |
| 2709 | return FALSE; |
| 2710 | if (*name == '\0') |
| 2711 | name = bfd_section_name (input_bfd, sec); |
| 2712 | } |
| 2713 | |
| 2714 | switch (r) |
| 2715 | { |
| 2716 | case bfd_reloc_overflow: |
| 2717 | /* If the overflowing reloc was to an undefined symbol, |
| 2718 | we have already printed one error message and there |
| 2719 | is no point complaining again. */ |
| 2720 | if ((! h || |
| 2721 | h->root.type != bfd_link_hash_undefined) |
| 2722 | && (!((*info->callbacks->reloc_overflow) |
| 2723 | (info, (h ? &h->root : NULL), name, howto->name, |
| 2724 | (bfd_vma) 0, input_bfd, input_section, |
| 2725 | rel->r_offset)))) |
| 2726 | return FALSE; |
| 2727 | break; |
| 2728 | |
| 2729 | case bfd_reloc_undefined: |
| 2730 | if (!((*info->callbacks->undefined_symbol) |
| 2731 | (info, name, input_bfd, input_section, |
| 2732 | rel->r_offset, TRUE))) |
| 2733 | return FALSE; |
| 2734 | break; |
| 2735 | |
| 2736 | case bfd_reloc_outofrange: |
| 2737 | error_message = _("out of range"); |
| 2738 | goto common_error; |
| 2739 | |
| 2740 | case bfd_reloc_notsupported: |
| 2741 | error_message = _("unsupported relocation"); |
| 2742 | goto common_error; |
| 2743 | |
| 2744 | case bfd_reloc_dangerous: |
| 2745 | error_message = _("dangerous relocation"); |
| 2746 | goto common_error; |
| 2747 | |
| 2748 | default: |
| 2749 | error_message = _("unknown error"); |
| 2750 | /* Fall through. */ |
| 2751 | |
| 2752 | common_error: |
| 2753 | BFD_ASSERT (error_message != NULL); |
| 2754 | if (!((*info->callbacks->reloc_dangerous) |
| 2755 | (info, error_message, input_bfd, input_section, |
| 2756 | rel->r_offset))) |
| 2757 | return FALSE; |
| 2758 | break; |
| 2759 | } |
| 2760 | } |
| 2761 | } |
| 2762 | |
| 2763 | return ok; |
| 2764 | } |
| 2765 | |
| 2766 | \f |
| 2767 | /* Look through the relocs for a section during the first phase, and |
| 2768 | calculate needed space in the global offset table, procedure linkage |
| 2769 | table, and dynamic reloc sections. */ |
| 2770 | |
| 2771 | static bfd_boolean |
| 2772 | elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info, |
| 2773 | asection *sec, const Elf_Internal_Rela *relocs) |
| 2774 | { |
| 2775 | struct elf32_tic6x_link_hash_table *htab; |
| 2776 | Elf_Internal_Shdr *symtab_hdr; |
| 2777 | struct elf_link_hash_entry **sym_hashes; |
| 2778 | const Elf_Internal_Rela *rel; |
| 2779 | const Elf_Internal_Rela *rel_end; |
| 2780 | asection *sreloc; |
| 2781 | |
| 2782 | if (info->relocatable) |
| 2783 | return TRUE; |
| 2784 | |
| 2785 | htab = elf32_tic6x_hash_table (info); |
| 2786 | symtab_hdr = &elf_symtab_hdr (abfd); |
| 2787 | sym_hashes = elf_sym_hashes (abfd); |
| 2788 | |
| 2789 | /* Create dynamic sections for relocatable executables so that we can |
| 2790 | copy relocations. */ |
| 2791 | if ((info->shared || elf32_tic6x_using_dsbt (abfd)) |
| 2792 | && ! htab->elf.dynamic_sections_created) |
| 2793 | { |
| 2794 | if (! _bfd_elf_link_create_dynamic_sections (abfd, info)) |
| 2795 | return FALSE; |
| 2796 | } |
| 2797 | |
| 2798 | sreloc = NULL; |
| 2799 | |
| 2800 | rel_end = relocs + sec->reloc_count; |
| 2801 | for (rel = relocs; rel < rel_end; rel++) |
| 2802 | { |
| 2803 | unsigned int r_type; |
| 2804 | unsigned long r_symndx; |
| 2805 | struct elf_link_hash_entry *h; |
| 2806 | Elf_Internal_Sym *isym; |
| 2807 | |
| 2808 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 2809 | r_type = ELF32_R_TYPE (rel->r_info); |
| 2810 | |
| 2811 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) |
| 2812 | { |
| 2813 | (*_bfd_error_handler) (_("%B: bad symbol index: %d"), |
| 2814 | abfd, |
| 2815 | r_symndx); |
| 2816 | return FALSE; |
| 2817 | } |
| 2818 | |
| 2819 | if (r_symndx < symtab_hdr->sh_info) |
| 2820 | { |
| 2821 | /* A local symbol. */ |
| 2822 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, |
| 2823 | abfd, r_symndx); |
| 2824 | if (isym == NULL) |
| 2825 | return FALSE; |
| 2826 | h = NULL; |
| 2827 | } |
| 2828 | else |
| 2829 | { |
| 2830 | isym = NULL; |
| 2831 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
| 2832 | while (h->root.type == bfd_link_hash_indirect |
| 2833 | || h->root.type == bfd_link_hash_warning) |
| 2834 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| 2835 | } |
| 2836 | |
| 2837 | switch (r_type) |
| 2838 | { |
| 2839 | case R_C6000_PCR_S21: |
| 2840 | case R_C6000_PREL31: |
| 2841 | /* This symbol requires a procedure linkage table entry. We |
| 2842 | actually build the entry in adjust_dynamic_symbol, |
| 2843 | because this might be a case of linking PIC code which is |
| 2844 | never referenced by a dynamic object, in which case we |
| 2845 | don't need to generate a procedure linkage table entry |
| 2846 | after all. */ |
| 2847 | |
| 2848 | /* If this is a local symbol, we resolve it directly without |
| 2849 | creating a procedure linkage table entry. */ |
| 2850 | if (h == NULL) |
| 2851 | continue; |
| 2852 | |
| 2853 | h->needs_plt = 1; |
| 2854 | h->plt.refcount += 1; |
| 2855 | break; |
| 2856 | |
| 2857 | case R_C6000_SBR_GOT_U15_W: |
| 2858 | case R_C6000_SBR_GOT_L16_W: |
| 2859 | case R_C6000_SBR_GOT_H16_W: |
| 2860 | case R_C6000_EHTYPE: |
| 2861 | /* This symbol requires a global offset table entry. */ |
| 2862 | if (h != NULL) |
| 2863 | { |
| 2864 | h->got.refcount += 1; |
| 2865 | } |
| 2866 | else |
| 2867 | { |
| 2868 | bfd_signed_vma *local_got_refcounts; |
| 2869 | |
| 2870 | /* This is a global offset table entry for a local symbol. */ |
| 2871 | local_got_refcounts = elf_local_got_refcounts (abfd); |
| 2872 | if (local_got_refcounts == NULL) |
| 2873 | { |
| 2874 | bfd_size_type size; |
| 2875 | |
| 2876 | size = symtab_hdr->sh_info; |
| 2877 | size *= (sizeof (bfd_signed_vma) |
| 2878 | + sizeof (bfd_vma) + sizeof(char)); |
| 2879 | local_got_refcounts = bfd_zalloc (abfd, size); |
| 2880 | if (local_got_refcounts == NULL) |
| 2881 | return FALSE; |
| 2882 | elf_local_got_refcounts (abfd) = local_got_refcounts; |
| 2883 | } |
| 2884 | local_got_refcounts[r_symndx] += 1; |
| 2885 | } |
| 2886 | |
| 2887 | if (htab->elf.sgot == NULL) |
| 2888 | { |
| 2889 | if (htab->elf.dynobj == NULL) |
| 2890 | htab->elf.dynobj = abfd; |
| 2891 | if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) |
| 2892 | return FALSE; |
| 2893 | } |
| 2894 | break; |
| 2895 | |
| 2896 | case R_C6000_DSBT_INDEX: |
| 2897 | /* We'd like to check for nonzero dsbt_index here, but it's |
| 2898 | set up only after check_relocs is called. Instead, we |
| 2899 | store the number of R_C6000_DSBT_INDEX relocs in the |
| 2900 | pc_count field, and potentially discard the extra space |
| 2901 | in elf32_tic6x_allocate_dynrelocs. */ |
| 2902 | if (!info->shared) |
| 2903 | break; |
| 2904 | |
| 2905 | /* fall through */ |
| 2906 | case R_C6000_ABS32: |
| 2907 | case R_C6000_ABS16: |
| 2908 | case R_C6000_ABS8: |
| 2909 | case R_C6000_ABS_S16: |
| 2910 | case R_C6000_ABS_L16: |
| 2911 | case R_C6000_ABS_H16: |
| 2912 | /* If we are creating a shared library, and this is a reloc |
| 2913 | against a global symbol, or a non PC relative reloc |
| 2914 | against a local symbol, then we need to copy the reloc |
| 2915 | into the shared library. However, if we are linking with |
| 2916 | -Bsymbolic, we do not need to copy a reloc against a |
| 2917 | global symbol which is defined in an object we are |
| 2918 | including in the link (i.e., DEF_REGULAR is set). At |
| 2919 | this point we have not seen all the input files, so it is |
| 2920 | possible that DEF_REGULAR is not set now but will be set |
| 2921 | later (it is never cleared). In case of a weak definition, |
| 2922 | DEF_REGULAR may be cleared later by a strong definition in |
| 2923 | a shared library. We account for that possibility below by |
| 2924 | storing information in the relocs_copied field of the hash |
| 2925 | table entry. A similar situation occurs when creating |
| 2926 | shared libraries and symbol visibility changes render the |
| 2927 | symbol local. |
| 2928 | |
| 2929 | If on the other hand, we are creating an executable, we |
| 2930 | may need to keep relocations for symbols satisfied by a |
| 2931 | dynamic library if we manage to avoid copy relocs for the |
| 2932 | symbol. */ |
| 2933 | if ((info->shared || elf32_tic6x_using_dsbt (abfd)) |
| 2934 | && (sec->flags & SEC_ALLOC) != 0) |
| 2935 | { |
| 2936 | struct elf_dyn_relocs *p; |
| 2937 | struct elf_dyn_relocs **head; |
| 2938 | |
| 2939 | /* We must copy these reloc types into the output file. |
| 2940 | Create a reloc section in dynobj and make room for |
| 2941 | this reloc. */ |
| 2942 | if (sreloc == NULL) |
| 2943 | { |
| 2944 | if (htab->elf.dynobj == NULL) |
| 2945 | htab->elf.dynobj = abfd; |
| 2946 | |
| 2947 | sreloc = _bfd_elf_make_dynamic_reloc_section |
| 2948 | (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE); |
| 2949 | |
| 2950 | if (sreloc == NULL) |
| 2951 | return FALSE; |
| 2952 | } |
| 2953 | |
| 2954 | /* If this is a global symbol, we count the number of |
| 2955 | relocations we need for this symbol. */ |
| 2956 | if (h != NULL) |
| 2957 | { |
| 2958 | head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs; |
| 2959 | } |
| 2960 | else |
| 2961 | { |
| 2962 | /* Track dynamic relocs needed for local syms too. |
| 2963 | We really need local syms available to do this |
| 2964 | easily. Oh well. */ |
| 2965 | void **vpp; |
| 2966 | asection *s; |
| 2967 | |
| 2968 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); |
| 2969 | if (s == NULL) |
| 2970 | s = sec; |
| 2971 | |
| 2972 | vpp = &elf_section_data (s)->local_dynrel; |
| 2973 | head = (struct elf_dyn_relocs **)vpp; |
| 2974 | } |
| 2975 | |
| 2976 | p = *head; |
| 2977 | if (p == NULL || p->sec != sec) |
| 2978 | { |
| 2979 | bfd_size_type amt = sizeof *p; |
| 2980 | p = bfd_alloc (htab->elf.dynobj, amt); |
| 2981 | if (p == NULL) |
| 2982 | return FALSE; |
| 2983 | p->next = *head; |
| 2984 | *head = p; |
| 2985 | p->sec = sec; |
| 2986 | p->count = 0; |
| 2987 | p->pc_count = 0; |
| 2988 | } |
| 2989 | |
| 2990 | p->count += 1; |
| 2991 | if (r_type == R_C6000_DSBT_INDEX) |
| 2992 | p->pc_count += 1; |
| 2993 | } |
| 2994 | break; |
| 2995 | |
| 2996 | case R_C6000_SBR_U15_B: |
| 2997 | case R_C6000_SBR_U15_H: |
| 2998 | case R_C6000_SBR_U15_W: |
| 2999 | case R_C6000_SBR_S16: |
| 3000 | case R_C6000_SBR_L16_B: |
| 3001 | case R_C6000_SBR_L16_H: |
| 3002 | case R_C6000_SBR_L16_W: |
| 3003 | case R_C6000_SBR_H16_B: |
| 3004 | case R_C6000_SBR_H16_H: |
| 3005 | case R_C6000_SBR_H16_W: |
| 3006 | if (h != NULL && info->executable) |
| 3007 | { |
| 3008 | /* For B14-relative addresses, we might need a copy |
| 3009 | reloc. */ |
| 3010 | h->non_got_ref = 1; |
| 3011 | } |
| 3012 | break; |
| 3013 | |
| 3014 | default: |
| 3015 | break; |
| 3016 | } |
| 3017 | } |
| 3018 | |
| 3019 | return TRUE; |
| 3020 | } |
| 3021 | |
| 3022 | static bfd_boolean |
| 3023 | elf32_tic6x_add_symbol_hook (bfd *abfd, |
| 3024 | struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 3025 | Elf_Internal_Sym *sym, |
| 3026 | const char **namep ATTRIBUTE_UNUSED, |
| 3027 | flagword *flagsp ATTRIBUTE_UNUSED, |
| 3028 | asection **secp, |
| 3029 | bfd_vma *valp) |
| 3030 | { |
| 3031 | switch (sym->st_shndx) |
| 3032 | { |
| 3033 | case SHN_TIC6X_SCOMMON: |
| 3034 | *secp = bfd_make_section_old_way (abfd, ".scommon"); |
| 3035 | (*secp)->flags |= SEC_IS_COMMON; |
| 3036 | *valp = sym->st_size; |
| 3037 | bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value)); |
| 3038 | break; |
| 3039 | } |
| 3040 | |
| 3041 | return TRUE; |
| 3042 | } |
| 3043 | |
| 3044 | static void |
| 3045 | elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) |
| 3046 | { |
| 3047 | elf_symbol_type *elfsym; |
| 3048 | |
| 3049 | elfsym = (elf_symbol_type *) asym; |
| 3050 | switch (elfsym->internal_elf_sym.st_shndx) |
| 3051 | { |
| 3052 | case SHN_TIC6X_SCOMMON: |
| 3053 | if (tic6x_elf_scom_section.name == NULL) |
| 3054 | { |
| 3055 | /* Initialize the small common section. */ |
| 3056 | tic6x_elf_scom_section.name = ".scommon"; |
| 3057 | tic6x_elf_scom_section.flags = SEC_IS_COMMON; |
| 3058 | tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section; |
| 3059 | tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol; |
| 3060 | tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr; |
| 3061 | tic6x_elf_scom_symbol.name = ".scommon"; |
| 3062 | tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM; |
| 3063 | tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section; |
| 3064 | tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol; |
| 3065 | } |
| 3066 | asym->section = &tic6x_elf_scom_section; |
| 3067 | asym->value = elfsym->internal_elf_sym.st_size; |
| 3068 | break; |
| 3069 | } |
| 3070 | } |
| 3071 | |
| 3072 | static int |
| 3073 | elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 3074 | const char *name ATTRIBUTE_UNUSED, |
| 3075 | Elf_Internal_Sym *sym, |
| 3076 | asection *input_sec, |
| 3077 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) |
| 3078 | { |
| 3079 | /* If we see a common symbol, which implies a relocatable link, then |
| 3080 | if a symbol was small common in an input file, mark it as small |
| 3081 | common in the output file. */ |
| 3082 | if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0) |
| 3083 | sym->st_shndx = SHN_TIC6X_SCOMMON; |
| 3084 | |
| 3085 | return 1; |
| 3086 | } |
| 3087 | |
| 3088 | static bfd_boolean |
| 3089 | elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, |
| 3090 | asection *sec, |
| 3091 | int *retval) |
| 3092 | { |
| 3093 | if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0) |
| 3094 | { |
| 3095 | *retval = SHN_TIC6X_SCOMMON; |
| 3096 | return TRUE; |
| 3097 | } |
| 3098 | |
| 3099 | return FALSE; |
| 3100 | } |
| 3101 | |
| 3102 | /* Allocate space in .plt, .got and associated reloc sections for |
| 3103 | dynamic relocs. */ |
| 3104 | |
| 3105 | static bfd_boolean |
| 3106 | elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
| 3107 | { |
| 3108 | struct bfd_link_info *info; |
| 3109 | struct elf32_tic6x_link_hash_table *htab; |
| 3110 | struct elf32_tic6x_link_hash_entry *eh; |
| 3111 | struct elf_dyn_relocs *p; |
| 3112 | |
| 3113 | if (h->root.type == bfd_link_hash_indirect) |
| 3114 | return TRUE; |
| 3115 | |
| 3116 | eh = (struct elf32_tic6x_link_hash_entry *) h; |
| 3117 | info = (struct bfd_link_info *) inf; |
| 3118 | htab = elf32_tic6x_hash_table (info); |
| 3119 | |
| 3120 | if (htab->elf.dynamic_sections_created && h->plt.refcount > 0) |
| 3121 | { |
| 3122 | /* Make sure this symbol is output as a dynamic symbol. |
| 3123 | Undefined weak syms won't yet be marked as dynamic. */ |
| 3124 | if (h->dynindx == -1 && !h->forced_local) |
| 3125 | { |
| 3126 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3127 | return FALSE; |
| 3128 | } |
| 3129 | |
| 3130 | if (info->shared |
| 3131 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) |
| 3132 | { |
| 3133 | asection *s = htab->elf.splt; |
| 3134 | |
| 3135 | /* If this is the first .plt entry, make room for the special |
| 3136 | first entry. */ |
| 3137 | if (s->size == 0) |
| 3138 | s->size += PLT_ENTRY_SIZE; |
| 3139 | |
| 3140 | h->plt.offset = s->size; |
| 3141 | |
| 3142 | /* If this symbol is not defined in a regular file, and we are |
| 3143 | not generating a shared library, then set the symbol to this |
| 3144 | location in the .plt. This is required to make function |
| 3145 | pointers compare as equal between the normal executable and |
| 3146 | the shared library. */ |
| 3147 | if (! info->shared && !h->def_regular) |
| 3148 | { |
| 3149 | h->root.u.def.section = s; |
| 3150 | h->root.u.def.value = h->plt.offset; |
| 3151 | } |
| 3152 | |
| 3153 | /* Make room for this entry. */ |
| 3154 | s->size += PLT_ENTRY_SIZE; |
| 3155 | /* We also need to make an entry in the .got.plt section, which |
| 3156 | will be placed in the .got section by the linker script. */ |
| 3157 | htab->elf.sgotplt->size += 4; |
| 3158 | /* We also need to make an entry in the .rel.plt section. */ |
| 3159 | htab->elf.srelplt->size += sizeof (Elf32_External_Rela); |
| 3160 | } |
| 3161 | else |
| 3162 | { |
| 3163 | h->plt.offset = (bfd_vma) -1; |
| 3164 | h->needs_plt = 0; |
| 3165 | } |
| 3166 | } |
| 3167 | else |
| 3168 | { |
| 3169 | h->plt.offset = (bfd_vma) -1; |
| 3170 | h->needs_plt = 0; |
| 3171 | } |
| 3172 | |
| 3173 | if (h->got.refcount > 0) |
| 3174 | { |
| 3175 | asection *s; |
| 3176 | |
| 3177 | /* Make sure this symbol is output as a dynamic symbol. |
| 3178 | Undefined weak syms won't yet be marked as dynamic. */ |
| 3179 | if (h->dynindx == -1 |
| 3180 | && !h->forced_local) |
| 3181 | { |
| 3182 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3183 | return FALSE; |
| 3184 | } |
| 3185 | |
| 3186 | s = htab->elf.sgot; |
| 3187 | h->got.offset = s->size; |
| 3188 | s->size += 4; |
| 3189 | |
| 3190 | if (!(ELF_ST_VISIBILITY (h->other) |
| 3191 | && h->root.type == bfd_link_hash_undefweak)) |
| 3192 | htab->elf.srelgot->size += sizeof (Elf32_External_Rela); |
| 3193 | } |
| 3194 | else |
| 3195 | h->got.offset = (bfd_vma) -1; |
| 3196 | |
| 3197 | if (eh->dyn_relocs == NULL) |
| 3198 | return TRUE; |
| 3199 | |
| 3200 | /* Discard relocs on undefined weak syms with non-default |
| 3201 | visibility. */ |
| 3202 | if (info->shared || elf32_tic6x_using_dsbt (htab->obfd)) |
| 3203 | { |
| 3204 | /* We use the pc_count field to hold the number of |
| 3205 | R_C6000_DSBT_INDEX relocs. */ |
| 3206 | if (htab->params.dsbt_index != 0) |
| 3207 | { |
| 3208 | struct elf_dyn_relocs **pp; |
| 3209 | |
| 3210 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) |
| 3211 | { |
| 3212 | p->count -= p->pc_count; |
| 3213 | p->pc_count = 0; |
| 3214 | if (p->count == 0) |
| 3215 | *pp = p->next; |
| 3216 | else |
| 3217 | pp = &p->next; |
| 3218 | } |
| 3219 | } |
| 3220 | |
| 3221 | if (eh->dyn_relocs != NULL |
| 3222 | && h->root.type == bfd_link_hash_undefweak) |
| 3223 | { |
| 3224 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) |
| 3225 | eh->dyn_relocs = NULL; |
| 3226 | |
| 3227 | /* Make sure undefined weak symbols are output as a dynamic |
| 3228 | symbol in PIEs. */ |
| 3229 | else if (h->dynindx == -1 |
| 3230 | && !h->forced_local) |
| 3231 | { |
| 3232 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
| 3233 | return FALSE; |
| 3234 | } |
| 3235 | } |
| 3236 | } |
| 3237 | |
| 3238 | /* Finally, allocate space. */ |
| 3239 | for (p = eh->dyn_relocs; p != NULL; p = p->next) |
| 3240 | { |
| 3241 | asection *sreloc; |
| 3242 | |
| 3243 | sreloc = elf_section_data (p->sec)->sreloc; |
| 3244 | |
| 3245 | BFD_ASSERT (sreloc != NULL); |
| 3246 | sreloc->size += p->count * sizeof (Elf32_External_Rela); |
| 3247 | } |
| 3248 | |
| 3249 | return TRUE; |
| 3250 | } |
| 3251 | |
| 3252 | /* Find any dynamic relocs that apply to read-only sections. */ |
| 3253 | |
| 3254 | static bfd_boolean |
| 3255 | elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
| 3256 | { |
| 3257 | struct elf32_tic6x_link_hash_entry *eh; |
| 3258 | struct elf_dyn_relocs *p; |
| 3259 | |
| 3260 | eh = (struct elf32_tic6x_link_hash_entry *) h; |
| 3261 | for (p = eh->dyn_relocs; p != NULL; p = p->next) |
| 3262 | { |
| 3263 | asection *s = p->sec->output_section; |
| 3264 | |
| 3265 | if (s != NULL && (s->flags & SEC_READONLY) != 0) |
| 3266 | { |
| 3267 | struct bfd_link_info *info = (struct bfd_link_info *) inf; |
| 3268 | |
| 3269 | info->flags |= DF_TEXTREL; |
| 3270 | |
| 3271 | /* Not an error, just cut short the traversal. */ |
| 3272 | return FALSE; |
| 3273 | } |
| 3274 | } |
| 3275 | return TRUE; |
| 3276 | } |
| 3277 | |
| 3278 | /* Set the sizes of the dynamic sections. */ |
| 3279 | |
| 3280 | static bfd_boolean |
| 3281 | elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) |
| 3282 | { |
| 3283 | struct elf32_tic6x_link_hash_table *htab; |
| 3284 | bfd *dynobj; |
| 3285 | asection *s; |
| 3286 | bfd_boolean relocs; |
| 3287 | bfd *ibfd; |
| 3288 | |
| 3289 | htab = elf32_tic6x_hash_table (info); |
| 3290 | dynobj = htab->elf.dynobj; |
| 3291 | if (dynobj == NULL) |
| 3292 | abort (); |
| 3293 | |
| 3294 | if (htab->elf.dynamic_sections_created) |
| 3295 | { |
| 3296 | /* Set the contents of the .interp section to the interpreter. */ |
| 3297 | if (info->executable) |
| 3298 | { |
| 3299 | s = bfd_get_linker_section (dynobj, ".interp"); |
| 3300 | if (s == NULL) |
| 3301 | abort (); |
| 3302 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
| 3303 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
| 3304 | } |
| 3305 | } |
| 3306 | |
| 3307 | /* Set up .got offsets for local syms, and space for local dynamic |
| 3308 | relocs. */ |
| 3309 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) |
| 3310 | { |
| 3311 | bfd_signed_vma *local_got; |
| 3312 | bfd_signed_vma *end_local_got; |
| 3313 | char *local_tls_type; |
| 3314 | bfd_vma *local_tlsdesc_gotent; |
| 3315 | bfd_size_type locsymcount; |
| 3316 | Elf_Internal_Shdr *symtab_hdr; |
| 3317 | asection *srel; |
| 3318 | |
| 3319 | for (s = ibfd->sections; s != NULL; s = s->next) |
| 3320 | { |
| 3321 | struct elf_dyn_relocs *p; |
| 3322 | |
| 3323 | for (p = ((struct elf_dyn_relocs *) |
| 3324 | elf_section_data (s)->local_dynrel); |
| 3325 | p != NULL; |
| 3326 | p = p->next) |
| 3327 | { |
| 3328 | if (!bfd_is_abs_section (p->sec) |
| 3329 | && bfd_is_abs_section (p->sec->output_section)) |
| 3330 | { |
| 3331 | /* Input section has been discarded, either because |
| 3332 | it is a copy of a linkonce section or due to |
| 3333 | linker script /DISCARD/, so we'll be discarding |
| 3334 | the relocs too. */ |
| 3335 | } |
| 3336 | else if (p->count != 0) |
| 3337 | { |
| 3338 | srel = elf_section_data (p->sec)->sreloc; |
| 3339 | srel->size += p->count * sizeof (Elf32_External_Rela); |
| 3340 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) |
| 3341 | info->flags |= DF_TEXTREL; |
| 3342 | } |
| 3343 | } |
| 3344 | } |
| 3345 | |
| 3346 | local_got = elf_local_got_refcounts (ibfd); |
| 3347 | if (!local_got) |
| 3348 | continue; |
| 3349 | |
| 3350 | symtab_hdr = &elf_symtab_hdr (ibfd); |
| 3351 | locsymcount = symtab_hdr->sh_info; |
| 3352 | end_local_got = local_got + locsymcount; |
| 3353 | s = htab->elf.sgot; |
| 3354 | srel = htab->elf.srelgot; |
| 3355 | for (; local_got < end_local_got; |
| 3356 | ++local_got, ++local_tls_type, ++local_tlsdesc_gotent) |
| 3357 | { |
| 3358 | if (*local_got > 0) |
| 3359 | { |
| 3360 | *local_got = s->size; |
| 3361 | s->size += 4; |
| 3362 | |
| 3363 | if (info->shared || elf32_tic6x_using_dsbt (output_bfd)) |
| 3364 | { |
| 3365 | srel->size += sizeof (Elf32_External_Rela); |
| 3366 | } |
| 3367 | } |
| 3368 | else |
| 3369 | *local_got = (bfd_vma) -1; |
| 3370 | } |
| 3371 | } |
| 3372 | |
| 3373 | /* Allocate global sym .plt and .got entries, and space for global |
| 3374 | sym dynamic relocs. */ |
| 3375 | elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info); |
| 3376 | |
| 3377 | /* We now have determined the sizes of the various dynamic sections. |
| 3378 | Allocate memory for them. */ |
| 3379 | relocs = FALSE; |
| 3380 | for (s = dynobj->sections; s != NULL; s = s->next) |
| 3381 | { |
| 3382 | bfd_boolean strip_section = TRUE; |
| 3383 | |
| 3384 | if ((s->flags & SEC_LINKER_CREATED) == 0) |
| 3385 | continue; |
| 3386 | |
| 3387 | if (s == htab->dsbt) |
| 3388 | s->size = 4 * htab->params.dsbt_size; |
| 3389 | else if (s == htab->elf.splt |
| 3390 | || s == htab->elf.sgot |
| 3391 | || s == htab->elf.sgotplt |
| 3392 | || s == htab->sdynbss) |
| 3393 | { |
| 3394 | /* Strip this section if we don't need it; see the |
| 3395 | comment below. */ |
| 3396 | /* We'd like to strip these sections if they aren't needed, but if |
| 3397 | we've exported dynamic symbols from them we must leave them. |
| 3398 | It's too late to tell BFD to get rid of the symbols. */ |
| 3399 | |
| 3400 | if (htab->elf.hplt != NULL) |
| 3401 | strip_section = FALSE; |
| 3402 | |
| 3403 | /* Round up the size of the PLT section to a multiple of 32. */ |
| 3404 | if (s == htab->elf.splt && s->size > 0) |
| 3405 | s->size = (s->size + 31) & ~(bfd_vma)31; |
| 3406 | } |
| 3407 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) |
| 3408 | { |
| 3409 | if (s->size != 0 |
| 3410 | && s != htab->elf.srelplt) |
| 3411 | relocs = TRUE; |
| 3412 | |
| 3413 | /* We use the reloc_count field as a counter if we need |
| 3414 | to copy relocs into the output file. */ |
| 3415 | s->reloc_count = 0; |
| 3416 | } |
| 3417 | else |
| 3418 | { |
| 3419 | /* It's not one of our sections, so don't allocate space. */ |
| 3420 | continue; |
| 3421 | } |
| 3422 | |
| 3423 | if (s->size == 0) |
| 3424 | { |
| 3425 | /* If we don't need this section, strip it from the |
| 3426 | output file. This is mostly to handle .rel.bss and |
| 3427 | .rel.plt. We must create both sections in |
| 3428 | create_dynamic_sections, because they must be created |
| 3429 | before the linker maps input sections to output |
| 3430 | sections. The linker does that before |
| 3431 | adjust_dynamic_symbol is called, and it is that |
| 3432 | function which decides whether anything needs to go |
| 3433 | into these sections. */ |
| 3434 | if (strip_section) |
| 3435 | s->flags |= SEC_EXCLUDE; |
| 3436 | continue; |
| 3437 | } |
| 3438 | |
| 3439 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
| 3440 | continue; |
| 3441 | |
| 3442 | /* Allocate memory for the section contents. We use bfd_zalloc |
| 3443 | here in case unused entries are not reclaimed before the |
| 3444 | section's contents are written out. This should not happen, |
| 3445 | but this way if it does, we get a R_C6000_NONE reloc instead |
| 3446 | of garbage. */ |
| 3447 | s->contents = bfd_zalloc (dynobj, s->size); |
| 3448 | if (s->contents == NULL) |
| 3449 | return FALSE; |
| 3450 | } |
| 3451 | |
| 3452 | if (htab->elf.dynamic_sections_created) |
| 3453 | { |
| 3454 | /* Add some entries to the .dynamic section. We fill in the |
| 3455 | values later, in elf32_tic6x_finish_dynamic_sections, but we |
| 3456 | must add the entries now so that we get the correct size for |
| 3457 | the .dynamic section. The DT_DEBUG entry is filled in by the |
| 3458 | dynamic linker and used by the debugger. */ |
| 3459 | #define add_dynamic_entry(TAG, VAL) \ |
| 3460 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
| 3461 | |
| 3462 | if (info->executable) |
| 3463 | { |
| 3464 | if (!add_dynamic_entry (DT_DEBUG, 0)) |
| 3465 | return FALSE; |
| 3466 | } |
| 3467 | |
| 3468 | if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0) |
| 3469 | || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size) |
| 3470 | || !add_dynamic_entry (DT_C6000_DSBT_INDEX, |
| 3471 | htab->params.dsbt_index)) |
| 3472 | return FALSE; |
| 3473 | |
| 3474 | if (htab->elf.splt->size != 0) |
| 3475 | { |
| 3476 | if (!add_dynamic_entry (DT_PLTGOT, 0) |
| 3477 | || !add_dynamic_entry (DT_PLTRELSZ, 0) |
| 3478 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) |
| 3479 | || !add_dynamic_entry (DT_JMPREL, 0)) |
| 3480 | return FALSE; |
| 3481 | } |
| 3482 | |
| 3483 | if (relocs) |
| 3484 | { |
| 3485 | if (!add_dynamic_entry (DT_RELA, 0) |
| 3486 | || !add_dynamic_entry (DT_RELASZ, 0) |
| 3487 | || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) |
| 3488 | return FALSE; |
| 3489 | |
| 3490 | /* If any dynamic relocs apply to a read-only section, |
| 3491 | then we need a DT_TEXTREL entry. */ |
| 3492 | if ((info->flags & DF_TEXTREL) == 0) |
| 3493 | elf_link_hash_traverse (&htab->elf, |
| 3494 | elf32_tic6x_readonly_dynrelocs, info); |
| 3495 | |
| 3496 | if ((info->flags & DF_TEXTREL) != 0) |
| 3497 | { |
| 3498 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
| 3499 | return FALSE; |
| 3500 | } |
| 3501 | } |
| 3502 | } |
| 3503 | #undef add_dynamic_entry |
| 3504 | |
| 3505 | return TRUE; |
| 3506 | } |
| 3507 | |
| 3508 | /* This function is called after all the input files have been read, |
| 3509 | and the input sections have been assigned to output sections. */ |
| 3510 | |
| 3511 | static bfd_boolean |
| 3512 | elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info) |
| 3513 | { |
| 3514 | if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable |
| 3515 | && !bfd_elf_stack_segment_size (output_bfd, info, |
| 3516 | "__stacksize", DEFAULT_STACK_SIZE)) |
| 3517 | return FALSE; |
| 3518 | |
| 3519 | return TRUE; |
| 3520 | } |
| 3521 | |
| 3522 | static bfd_boolean |
| 3523 | elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
| 3524 | struct bfd_link_info *info) |
| 3525 | { |
| 3526 | struct elf32_tic6x_link_hash_table *htab; |
| 3527 | bfd *dynobj; |
| 3528 | asection *sdyn; |
| 3529 | |
| 3530 | htab = elf32_tic6x_hash_table (info); |
| 3531 | dynobj = htab->elf.dynobj; |
| 3532 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
| 3533 | |
| 3534 | if (elf_hash_table (info)->dynamic_sections_created) |
| 3535 | { |
| 3536 | Elf32_External_Dyn * dyncon; |
| 3537 | Elf32_External_Dyn * dynconend; |
| 3538 | |
| 3539 | BFD_ASSERT (sdyn != NULL); |
| 3540 | |
| 3541 | dyncon = (Elf32_External_Dyn *) sdyn->contents; |
| 3542 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); |
| 3543 | |
| 3544 | for (; dyncon < dynconend; dyncon++) |
| 3545 | { |
| 3546 | Elf_Internal_Dyn dyn; |
| 3547 | asection *s; |
| 3548 | |
| 3549 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); |
| 3550 | |
| 3551 | switch (dyn.d_tag) |
| 3552 | { |
| 3553 | default: |
| 3554 | break; |
| 3555 | |
| 3556 | case DT_C6000_DSBT_BASE: |
| 3557 | s = htab->dsbt; |
| 3558 | dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset); |
| 3559 | break; |
| 3560 | |
| 3561 | case DT_PLTGOT: |
| 3562 | s = htab->elf.sgotplt; |
| 3563 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; |
| 3564 | break; |
| 3565 | |
| 3566 | case DT_JMPREL: |
| 3567 | s = htab->elf.srelplt; |
| 3568 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; |
| 3569 | break; |
| 3570 | |
| 3571 | case DT_PLTRELSZ: |
| 3572 | s = htab->elf.srelplt; |
| 3573 | dyn.d_un.d_val = s->size; |
| 3574 | break; |
| 3575 | } |
| 3576 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
| 3577 | } |
| 3578 | |
| 3579 | /* Fill in the first entry in the procedure linkage table. */ |
| 3580 | if (htab->elf.splt && htab->elf.splt->size > 0) |
| 3581 | { |
| 3582 | bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma |
| 3583 | + htab->elf.sgotplt->output_offset |
| 3584 | - htab->dsbt->output_section->vma |
| 3585 | - htab->dsbt->output_offset) / 4; |
| 3586 | |
| 3587 | /* ldw .D2T2 *+b14[$GOT(0)],b2 */ |
| 3588 | bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e, |
| 3589 | htab->elf.splt->contents); |
| 3590 | /* ldw .D2T2 *+b14[$GOT(4)],b1 */ |
| 3591 | bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e, |
| 3592 | htab->elf.splt->contents + 4); |
| 3593 | /* nop 3 */ |
| 3594 | bfd_put_32 (output_bfd, 0x00004000, |
| 3595 | htab->elf.splt->contents + 8); |
| 3596 | /* b .s2 b2 */ |
| 3597 | bfd_put_32 (output_bfd, 0x00080362, |
| 3598 | htab->elf.splt->contents + 12); |
| 3599 | /* nop 5 */ |
| 3600 | bfd_put_32 (output_bfd, 0x00008000, |
| 3601 | htab->elf.splt->contents + 16); |
| 3602 | |
| 3603 | elf_section_data (htab->elf.splt->output_section) |
| 3604 | ->this_hdr.sh_entsize = PLT_ENTRY_SIZE; |
| 3605 | } |
| 3606 | } |
| 3607 | |
| 3608 | return TRUE; |
| 3609 | } |
| 3610 | |
| 3611 | /* Return address for Ith PLT stub in section PLT, for relocation REL |
| 3612 | or (bfd_vma) -1 if it should not be included. */ |
| 3613 | |
| 3614 | static bfd_vma |
| 3615 | elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt, |
| 3616 | const arelent *rel ATTRIBUTE_UNUSED) |
| 3617 | { |
| 3618 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE; |
| 3619 | } |
| 3620 | |
| 3621 | static int |
| 3622 | elf32_tic6x_obj_attrs_arg_type (int tag) |
| 3623 | { |
| 3624 | if (tag == Tag_ABI_compatibility) |
| 3625 | return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL; |
| 3626 | else if (tag & 1) |
| 3627 | return ATTR_TYPE_FLAG_STR_VAL; |
| 3628 | else |
| 3629 | return ATTR_TYPE_FLAG_INT_VAL; |
| 3630 | } |
| 3631 | |
| 3632 | static int |
| 3633 | elf32_tic6x_obj_attrs_order (int num) |
| 3634 | { |
| 3635 | if (num == LEAST_KNOWN_OBJ_ATTRIBUTE) |
| 3636 | return Tag_ABI_conformance; |
| 3637 | if ((num - 1) < Tag_ABI_conformance) |
| 3638 | return num - 1; |
| 3639 | return num; |
| 3640 | } |
| 3641 | |
| 3642 | static bfd_boolean |
| 3643 | elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag) |
| 3644 | { |
| 3645 | if ((tag & 127) < 64) |
| 3646 | { |
| 3647 | _bfd_error_handler |
| 3648 | (_("%B: error: unknown mandatory EABI object attribute %d"), |
| 3649 | abfd, tag); |
| 3650 | bfd_set_error (bfd_error_bad_value); |
| 3651 | return FALSE; |
| 3652 | } |
| 3653 | else |
| 3654 | { |
| 3655 | _bfd_error_handler |
| 3656 | (_("%B: warning: unknown EABI object attribute %d"), |
| 3657 | abfd, tag); |
| 3658 | return TRUE; |
| 3659 | } |
| 3660 | } |
| 3661 | |
| 3662 | /* Merge the Tag_ISA attribute values ARCH1 and ARCH2 |
| 3663 | and return the merged value. At present, all merges succeed, so no |
| 3664 | return value for errors is defined. */ |
| 3665 | |
| 3666 | int |
| 3667 | elf32_tic6x_merge_arch_attributes (int arch1, int arch2) |
| 3668 | { |
| 3669 | int min_arch, max_arch; |
| 3670 | |
| 3671 | min_arch = (arch1 < arch2 ? arch1 : arch2); |
| 3672 | max_arch = (arch1 > arch2 ? arch1 : arch2); |
| 3673 | |
| 3674 | /* In most cases, the numerically greatest value is the correct |
| 3675 | merged value, but merging C64 and C67 results in C674X. */ |
| 3676 | if ((min_arch == C6XABI_Tag_ISA_C67X |
| 3677 | || min_arch == C6XABI_Tag_ISA_C67XP) |
| 3678 | && (max_arch == C6XABI_Tag_ISA_C64X |
| 3679 | || max_arch == C6XABI_Tag_ISA_C64XP)) |
| 3680 | return C6XABI_Tag_ISA_C674X; |
| 3681 | |
| 3682 | return max_arch; |
| 3683 | } |
| 3684 | |
| 3685 | /* Convert a Tag_ABI_array_object_alignment or |
| 3686 | Tag_ABI_array_object_align_expected tag value TAG to a |
| 3687 | corresponding alignment value; return the alignment, or -1 for an |
| 3688 | unknown tag value. */ |
| 3689 | |
| 3690 | static int |
| 3691 | elf32_tic6x_tag_to_array_alignment (int tag) |
| 3692 | { |
| 3693 | switch (tag) |
| 3694 | { |
| 3695 | case 0: |
| 3696 | return 8; |
| 3697 | |
| 3698 | case 1: |
| 3699 | return 4; |
| 3700 | |
| 3701 | case 2: |
| 3702 | return 16; |
| 3703 | |
| 3704 | default: |
| 3705 | return -1; |
| 3706 | } |
| 3707 | } |
| 3708 | |
| 3709 | /* Convert a Tag_ABI_array_object_alignment or |
| 3710 | Tag_ABI_array_object_align_expected alignment ALIGN to a |
| 3711 | corresponding tag value; return the tag value. */ |
| 3712 | |
| 3713 | static int |
| 3714 | elf32_tic6x_array_alignment_to_tag (int align) |
| 3715 | { |
| 3716 | switch (align) |
| 3717 | { |
| 3718 | case 8: |
| 3719 | return 0; |
| 3720 | |
| 3721 | case 4: |
| 3722 | return 1; |
| 3723 | |
| 3724 | case 16: |
| 3725 | return 2; |
| 3726 | |
| 3727 | default: |
| 3728 | abort (); |
| 3729 | } |
| 3730 | } |
| 3731 | |
| 3732 | /* Merge attributes from IBFD and OBFD, returning TRUE if the merge |
| 3733 | succeeded, FALSE otherwise. */ |
| 3734 | |
| 3735 | static bfd_boolean |
| 3736 | elf32_tic6x_merge_attributes (bfd *ibfd, bfd *obfd) |
| 3737 | { |
| 3738 | bfd_boolean result = TRUE; |
| 3739 | obj_attribute *in_attr; |
| 3740 | obj_attribute *out_attr; |
| 3741 | int i; |
| 3742 | int array_align_in, array_align_out, array_expect_in, array_expect_out; |
| 3743 | |
| 3744 | if (!elf_known_obj_attributes_proc (obfd)[0].i) |
| 3745 | { |
| 3746 | /* This is the first object. Copy the attributes. */ |
| 3747 | _bfd_elf_copy_obj_attributes (ibfd, obfd); |
| 3748 | |
| 3749 | out_attr = elf_known_obj_attributes_proc (obfd); |
| 3750 | |
| 3751 | /* Use the Tag_null value to indicate the attributes have been |
| 3752 | initialized. */ |
| 3753 | out_attr[0].i = 1; |
| 3754 | |
| 3755 | return TRUE; |
| 3756 | } |
| 3757 | |
| 3758 | in_attr = elf_known_obj_attributes_proc (ibfd); |
| 3759 | out_attr = elf_known_obj_attributes_proc (obfd); |
| 3760 | |
| 3761 | /* No specification yet for handling of unknown attributes, so just |
| 3762 | ignore them and handle known ones. */ |
| 3763 | |
| 3764 | if (out_attr[Tag_ABI_stack_align_preserved].i |
| 3765 | < in_attr[Tag_ABI_stack_align_needed].i) |
| 3766 | { |
| 3767 | _bfd_error_handler |
| 3768 | (_("error: %B requires more stack alignment than %B preserves"), |
| 3769 | ibfd, obfd); |
| 3770 | result = FALSE; |
| 3771 | } |
| 3772 | if (in_attr[Tag_ABI_stack_align_preserved].i |
| 3773 | < out_attr[Tag_ABI_stack_align_needed].i) |
| 3774 | { |
| 3775 | _bfd_error_handler |
| 3776 | (_("error: %B requires more stack alignment than %B preserves"), |
| 3777 | obfd, ibfd); |
| 3778 | result = FALSE; |
| 3779 | } |
| 3780 | |
| 3781 | array_align_in = elf32_tic6x_tag_to_array_alignment |
| 3782 | (in_attr[Tag_ABI_array_object_alignment].i); |
| 3783 | if (array_align_in == -1) |
| 3784 | { |
| 3785 | _bfd_error_handler |
| 3786 | (_("error: unknown Tag_ABI_array_object_alignment value in %B"), |
| 3787 | ibfd); |
| 3788 | result = FALSE; |
| 3789 | } |
| 3790 | array_align_out = elf32_tic6x_tag_to_array_alignment |
| 3791 | (out_attr[Tag_ABI_array_object_alignment].i); |
| 3792 | if (array_align_out == -1) |
| 3793 | { |
| 3794 | _bfd_error_handler |
| 3795 | (_("error: unknown Tag_ABI_array_object_alignment value in %B"), |
| 3796 | obfd); |
| 3797 | result = FALSE; |
| 3798 | } |
| 3799 | array_expect_in = elf32_tic6x_tag_to_array_alignment |
| 3800 | (in_attr[Tag_ABI_array_object_align_expected].i); |
| 3801 | if (array_expect_in == -1) |
| 3802 | { |
| 3803 | _bfd_error_handler |
| 3804 | (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), |
| 3805 | ibfd); |
| 3806 | result = FALSE; |
| 3807 | } |
| 3808 | array_expect_out = elf32_tic6x_tag_to_array_alignment |
| 3809 | (out_attr[Tag_ABI_array_object_align_expected].i); |
| 3810 | if (array_expect_out == -1) |
| 3811 | { |
| 3812 | _bfd_error_handler |
| 3813 | (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), |
| 3814 | obfd); |
| 3815 | result = FALSE; |
| 3816 | } |
| 3817 | |
| 3818 | if (array_align_out < array_expect_in) |
| 3819 | { |
| 3820 | _bfd_error_handler |
| 3821 | (_("error: %B requires more array alignment than %B preserves"), |
| 3822 | ibfd, obfd); |
| 3823 | result = FALSE; |
| 3824 | } |
| 3825 | if (array_align_in < array_expect_out) |
| 3826 | { |
| 3827 | _bfd_error_handler |
| 3828 | (_("error: %B requires more array alignment than %B preserves"), |
| 3829 | obfd, ibfd); |
| 3830 | result = FALSE; |
| 3831 | } |
| 3832 | |
| 3833 | for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++) |
| 3834 | { |
| 3835 | switch (i) |
| 3836 | { |
| 3837 | case Tag_ISA: |
| 3838 | out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i, |
| 3839 | out_attr[i].i); |
| 3840 | break; |
| 3841 | |
| 3842 | case Tag_ABI_wchar_t: |
| 3843 | if (out_attr[i].i == 0) |
| 3844 | out_attr[i].i = in_attr[i].i; |
| 3845 | if (out_attr[i].i != 0 |
| 3846 | && in_attr[i].i != 0 |
| 3847 | && out_attr[i].i != in_attr[i].i) |
| 3848 | { |
| 3849 | _bfd_error_handler |
| 3850 | (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd); |
| 3851 | } |
| 3852 | break; |
| 3853 | |
| 3854 | case Tag_ABI_stack_align_needed: |
| 3855 | if (out_attr[i].i < in_attr[i].i) |
| 3856 | out_attr[i].i = in_attr[i].i; |
| 3857 | break; |
| 3858 | |
| 3859 | case Tag_ABI_stack_align_preserved: |
| 3860 | if (out_attr[i].i > in_attr[i].i) |
| 3861 | out_attr[i].i = in_attr[i].i; |
| 3862 | break; |
| 3863 | |
| 3864 | case Tag_ABI_DSBT: |
| 3865 | if (out_attr[i].i != in_attr[i].i) |
| 3866 | { |
| 3867 | _bfd_error_handler |
| 3868 | (_("warning: %B and %B differ in whether code is " |
| 3869 | "compiled for DSBT"), |
| 3870 | obfd, ibfd); |
| 3871 | } |
| 3872 | break; |
| 3873 | |
| 3874 | case Tag_ABI_PIC: |
| 3875 | case Tag_ABI_PID: |
| 3876 | if (out_attr[i].i > in_attr[i].i) |
| 3877 | out_attr[i].i = in_attr[i].i; |
| 3878 | break; |
| 3879 | |
| 3880 | case Tag_ABI_array_object_alignment: |
| 3881 | if (array_align_out != -1 |
| 3882 | && array_align_in != -1 |
| 3883 | && array_align_out > array_align_in) |
| 3884 | out_attr[i].i |
| 3885 | = elf32_tic6x_array_alignment_to_tag (array_align_in); |
| 3886 | break; |
| 3887 | |
| 3888 | case Tag_ABI_array_object_align_expected: |
| 3889 | if (array_expect_out != -1 |
| 3890 | && array_expect_in != -1 |
| 3891 | && array_expect_out < array_expect_in) |
| 3892 | out_attr[i].i |
| 3893 | = elf32_tic6x_array_alignment_to_tag (array_expect_in); |
| 3894 | break; |
| 3895 | |
| 3896 | case Tag_ABI_conformance: |
| 3897 | /* Merging for this attribute is not specified. As on ARM, |
| 3898 | treat a missing attribute as no claim to conform and only |
| 3899 | merge identical values. */ |
| 3900 | if (out_attr[i].s == NULL |
| 3901 | || in_attr[i].s == NULL |
| 3902 | || strcmp (out_attr[i].s, |
| 3903 | in_attr[i].s) != 0) |
| 3904 | out_attr[i].s = NULL; |
| 3905 | break; |
| 3906 | |
| 3907 | case Tag_ABI_compatibility: |
| 3908 | /* Merged in _bfd_elf_merge_object_attributes. */ |
| 3909 | break; |
| 3910 | |
| 3911 | default: |
| 3912 | result |
| 3913 | = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i); |
| 3914 | break; |
| 3915 | } |
| 3916 | |
| 3917 | if (in_attr[i].type && !out_attr[i].type) |
| 3918 | out_attr[i].type = in_attr[i].type; |
| 3919 | } |
| 3920 | |
| 3921 | /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */ |
| 3922 | if (!_bfd_elf_merge_object_attributes (ibfd, obfd)) |
| 3923 | return FALSE; |
| 3924 | |
| 3925 | result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd); |
| 3926 | |
| 3927 | return result; |
| 3928 | } |
| 3929 | |
| 3930 | static bfd_boolean |
| 3931 | elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd) |
| 3932 | { |
| 3933 | if (!_bfd_generic_verify_endian_match (ibfd, obfd)) |
| 3934 | return FALSE; |
| 3935 | |
| 3936 | if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd)) |
| 3937 | return TRUE; |
| 3938 | |
| 3939 | if (!elf32_tic6x_merge_attributes (ibfd, obfd)) |
| 3940 | return FALSE; |
| 3941 | |
| 3942 | return TRUE; |
| 3943 | } |
| 3944 | |
| 3945 | /* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero, |
| 3946 | adds the edit to the start of the list. (The list must be built in order of |
| 3947 | ascending TINDEX: the function's callers are primarily responsible for |
| 3948 | maintaining that condition). */ |
| 3949 | |
| 3950 | static void |
| 3951 | elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head, |
| 3952 | tic6x_unwind_table_edit **tail, |
| 3953 | tic6x_unwind_edit_type type, |
| 3954 | asection *linked_section, |
| 3955 | unsigned int tindex) |
| 3956 | { |
| 3957 | tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *) |
| 3958 | xmalloc (sizeof (tic6x_unwind_table_edit)); |
| 3959 | |
| 3960 | new_edit->type = type; |
| 3961 | new_edit->linked_section = linked_section; |
| 3962 | new_edit->index = tindex; |
| 3963 | |
| 3964 | if (tindex > 0) |
| 3965 | { |
| 3966 | new_edit->next = NULL; |
| 3967 | |
| 3968 | if (*tail) |
| 3969 | (*tail)->next = new_edit; |
| 3970 | |
| 3971 | (*tail) = new_edit; |
| 3972 | |
| 3973 | if (!*head) |
| 3974 | (*head) = new_edit; |
| 3975 | } |
| 3976 | else |
| 3977 | { |
| 3978 | new_edit->next = *head; |
| 3979 | |
| 3980 | if (!*tail) |
| 3981 | *tail = new_edit; |
| 3982 | |
| 3983 | *head = new_edit; |
| 3984 | } |
| 3985 | } |
| 3986 | |
| 3987 | static _tic6x_elf_section_data * |
| 3988 | get_tic6x_elf_section_data (asection * sec) |
| 3989 | { |
| 3990 | if (sec && sec->owner && is_tic6x_elf (sec->owner)) |
| 3991 | return elf32_tic6x_section_data (sec); |
| 3992 | else |
| 3993 | return NULL; |
| 3994 | } |
| 3995 | |
| 3996 | |
| 3997 | /* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */ |
| 3998 | static void |
| 3999 | elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust) |
| 4000 | { |
| 4001 | asection *out_sec; |
| 4002 | |
| 4003 | if (!exidx_sec->rawsize) |
| 4004 | exidx_sec->rawsize = exidx_sec->size; |
| 4005 | |
| 4006 | bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust); |
| 4007 | out_sec = exidx_sec->output_section; |
| 4008 | /* Adjust size of output section. */ |
| 4009 | bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust); |
| 4010 | } |
| 4011 | |
| 4012 | /* Insert an EXIDX_CANTUNWIND marker at the end of a section. */ |
| 4013 | static void |
| 4014 | elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec) |
| 4015 | { |
| 4016 | struct _tic6x_elf_section_data *exidx_data; |
| 4017 | |
| 4018 | exidx_data = get_tic6x_elf_section_data (exidx_sec); |
| 4019 | elf32_tic6x_add_unwind_table_edit ( |
| 4020 | &exidx_data->u.exidx.unwind_edit_list, |
| 4021 | &exidx_data->u.exidx.unwind_edit_tail, |
| 4022 | INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX); |
| 4023 | |
| 4024 | elf32_tic6x_adjust_exidx_size (exidx_sec, 8); |
| 4025 | } |
| 4026 | |
| 4027 | /* Scan .cx6abi.exidx tables, and create a list describing edits which |
| 4028 | should be made to those tables, such that: |
| 4029 | |
| 4030 | 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries. |
| 4031 | 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind |
| 4032 | codes which have been inlined into the index). |
| 4033 | |
| 4034 | If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged. |
| 4035 | |
| 4036 | The edits are applied when the tables are written |
| 4037 | (in elf32_tic6x_write_section). |
| 4038 | */ |
| 4039 | |
| 4040 | bfd_boolean |
| 4041 | elf32_tic6x_fix_exidx_coverage (asection **text_section_order, |
| 4042 | unsigned int num_text_sections, |
| 4043 | struct bfd_link_info *info, |
| 4044 | bfd_boolean merge_exidx_entries) |
| 4045 | { |
| 4046 | bfd *inp; |
| 4047 | unsigned int last_second_word = 0, i; |
| 4048 | asection *last_exidx_sec = NULL; |
| 4049 | asection *last_text_sec = NULL; |
| 4050 | int last_unwind_type = -1; |
| 4051 | |
| 4052 | /* Walk over all EXIDX sections, and create backlinks from the corrsponding |
| 4053 | text sections. */ |
| 4054 | for (inp = info->input_bfds; inp != NULL; inp = inp->link_next) |
| 4055 | { |
| 4056 | asection *sec; |
| 4057 | |
| 4058 | for (sec = inp->sections; sec != NULL; sec = sec->next) |
| 4059 | { |
| 4060 | struct bfd_elf_section_data *elf_sec = elf_section_data (sec); |
| 4061 | Elf_Internal_Shdr *hdr = &elf_sec->this_hdr; |
| 4062 | |
| 4063 | if (!hdr || hdr->sh_type != SHT_C6000_UNWIND) |
| 4064 | continue; |
| 4065 | |
| 4066 | if (elf_sec->linked_to) |
| 4067 | { |
| 4068 | Elf_Internal_Shdr *linked_hdr |
| 4069 | = &elf_section_data (elf_sec->linked_to)->this_hdr; |
| 4070 | struct _tic6x_elf_section_data *linked_sec_tic6x_data |
| 4071 | = get_tic6x_elf_section_data (linked_hdr->bfd_section); |
| 4072 | |
| 4073 | if (linked_sec_tic6x_data == NULL) |
| 4074 | continue; |
| 4075 | |
| 4076 | /* Link this .c6xabi.exidx section back from the |
| 4077 | text section it describes. */ |
| 4078 | linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec; |
| 4079 | } |
| 4080 | } |
| 4081 | } |
| 4082 | |
| 4083 | /* Walk all text sections in order of increasing VMA. Eilminate duplicate |
| 4084 | index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes), |
| 4085 | and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */ |
| 4086 | |
| 4087 | for (i = 0; i < num_text_sections; i++) |
| 4088 | { |
| 4089 | asection *sec = text_section_order[i]; |
| 4090 | asection *exidx_sec; |
| 4091 | struct _tic6x_elf_section_data *tic6x_data |
| 4092 | = get_tic6x_elf_section_data (sec); |
| 4093 | struct _tic6x_elf_section_data *exidx_data; |
| 4094 | bfd_byte *contents = NULL; |
| 4095 | int deleted_exidx_bytes = 0; |
| 4096 | bfd_vma j; |
| 4097 | tic6x_unwind_table_edit *unwind_edit_head = NULL; |
| 4098 | tic6x_unwind_table_edit *unwind_edit_tail = NULL; |
| 4099 | Elf_Internal_Shdr *hdr; |
| 4100 | bfd *ibfd; |
| 4101 | |
| 4102 | if (tic6x_data == NULL) |
| 4103 | continue; |
| 4104 | |
| 4105 | exidx_sec = tic6x_data->u.text.tic6x_exidx_sec; |
| 4106 | if (exidx_sec == NULL) |
| 4107 | { |
| 4108 | /* Section has no unwind data. */ |
| 4109 | if (last_unwind_type == 0 || !last_exidx_sec) |
| 4110 | continue; |
| 4111 | |
| 4112 | /* Ignore zero sized sections. */ |
| 4113 | if (sec->size == 0) |
| 4114 | continue; |
| 4115 | |
| 4116 | elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); |
| 4117 | last_unwind_type = 0; |
| 4118 | continue; |
| 4119 | } |
| 4120 | |
| 4121 | /* Skip /DISCARD/ sections. */ |
| 4122 | if (bfd_is_abs_section (exidx_sec->output_section)) |
| 4123 | continue; |
| 4124 | |
| 4125 | hdr = &elf_section_data (exidx_sec)->this_hdr; |
| 4126 | if (hdr->sh_type != SHT_C6000_UNWIND) |
| 4127 | continue; |
| 4128 | |
| 4129 | exidx_data = get_tic6x_elf_section_data (exidx_sec); |
| 4130 | if (exidx_data == NULL) |
| 4131 | continue; |
| 4132 | |
| 4133 | ibfd = exidx_sec->owner; |
| 4134 | |
| 4135 | if (hdr->contents != NULL) |
| 4136 | contents = hdr->contents; |
| 4137 | else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents)) |
| 4138 | /* An error? */ |
| 4139 | continue; |
| 4140 | |
| 4141 | for (j = 0; j < hdr->sh_size; j += 8) |
| 4142 | { |
| 4143 | unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4); |
| 4144 | int unwind_type; |
| 4145 | int elide = 0; |
| 4146 | |
| 4147 | /* An EXIDX_CANTUNWIND entry. */ |
| 4148 | if (second_word == 1) |
| 4149 | { |
| 4150 | if (last_unwind_type == 0) |
| 4151 | elide = 1; |
| 4152 | unwind_type = 0; |
| 4153 | } |
| 4154 | /* Inlined unwinding data. Merge if equal to previous. */ |
| 4155 | else if ((second_word & 0x80000000) != 0) |
| 4156 | { |
| 4157 | if (merge_exidx_entries |
| 4158 | && last_second_word == second_word |
| 4159 | && last_unwind_type == 1) |
| 4160 | elide = 1; |
| 4161 | unwind_type = 1; |
| 4162 | last_second_word = second_word; |
| 4163 | } |
| 4164 | /* Normal table entry. In theory we could merge these too, |
| 4165 | but duplicate entries are likely to be much less common. */ |
| 4166 | else |
| 4167 | unwind_type = 2; |
| 4168 | |
| 4169 | if (elide) |
| 4170 | { |
| 4171 | elf32_tic6x_add_unwind_table_edit (&unwind_edit_head, |
| 4172 | &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8); |
| 4173 | |
| 4174 | deleted_exidx_bytes += 8; |
| 4175 | } |
| 4176 | |
| 4177 | last_unwind_type = unwind_type; |
| 4178 | } |
| 4179 | |
| 4180 | /* Free contents if we allocated it ourselves. */ |
| 4181 | if (contents != hdr->contents) |
| 4182 | free (contents); |
| 4183 | |
| 4184 | /* Record edits to be applied later (in elf32_tic6x_write_section). */ |
| 4185 | exidx_data->u.exidx.unwind_edit_list = unwind_edit_head; |
| 4186 | exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail; |
| 4187 | |
| 4188 | if (deleted_exidx_bytes > 0) |
| 4189 | elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes); |
| 4190 | |
| 4191 | last_exidx_sec = exidx_sec; |
| 4192 | last_text_sec = sec; |
| 4193 | } |
| 4194 | |
| 4195 | /* Add terminating CANTUNWIND entry. */ |
| 4196 | if (last_exidx_sec && last_unwind_type != 0) |
| 4197 | elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); |
| 4198 | |
| 4199 | return TRUE; |
| 4200 | } |
| 4201 | |
| 4202 | /* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */ |
| 4203 | |
| 4204 | static unsigned long |
| 4205 | elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend) |
| 4206 | { |
| 4207 | return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful); |
| 4208 | } |
| 4209 | |
| 4210 | /* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31 |
| 4211 | relocations. OFFSET is in bytes, and will be scaled before encoding. */ |
| 4212 | |
| 4213 | |
| 4214 | static void |
| 4215 | elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from, |
| 4216 | bfd_vma offset) |
| 4217 | { |
| 4218 | unsigned long first_word = bfd_get_32 (output_bfd, from); |
| 4219 | unsigned long second_word = bfd_get_32 (output_bfd, from + 4); |
| 4220 | |
| 4221 | offset >>= 1; |
| 4222 | /* High bit of first word is supposed to be zero. */ |
| 4223 | if ((first_word & 0x80000000ul) == 0) |
| 4224 | first_word = elf32_tic6x_add_low31 (first_word, offset); |
| 4225 | |
| 4226 | /* If the high bit of the first word is clear, and the bit pattern is not 0x1 |
| 4227 | (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */ |
| 4228 | if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0)) |
| 4229 | second_word = elf32_tic6x_add_low31 (second_word, offset); |
| 4230 | |
| 4231 | bfd_put_32 (output_bfd, first_word, to); |
| 4232 | bfd_put_32 (output_bfd, second_word, to + 4); |
| 4233 | } |
| 4234 | |
| 4235 | /* Do the actual mangling of exception index tables. */ |
| 4236 | |
| 4237 | static bfd_boolean |
| 4238 | elf32_tic6x_write_section (bfd *output_bfd, |
| 4239 | struct bfd_link_info *link_info, |
| 4240 | asection *sec, |
| 4241 | bfd_byte *contents) |
| 4242 | { |
| 4243 | _tic6x_elf_section_data *tic6x_data; |
| 4244 | struct elf32_tic6x_link_hash_table *globals |
| 4245 | = elf32_tic6x_hash_table (link_info); |
| 4246 | bfd_vma offset = sec->output_section->vma + sec->output_offset; |
| 4247 | |
| 4248 | if (globals == NULL) |
| 4249 | return FALSE; |
| 4250 | |
| 4251 | /* If this section has not been allocated an _tic6x_elf_section_data |
| 4252 | structure then we cannot record anything. */ |
| 4253 | tic6x_data = get_tic6x_elf_section_data (sec); |
| 4254 | if (tic6x_data == NULL) |
| 4255 | return FALSE; |
| 4256 | |
| 4257 | if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND) |
| 4258 | return FALSE; |
| 4259 | |
| 4260 | tic6x_unwind_table_edit *edit_node |
| 4261 | = tic6x_data->u.exidx.unwind_edit_list; |
| 4262 | /* Now, sec->size is the size of the section we will write. The original |
| 4263 | size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND |
| 4264 | markers) was sec->rawsize. (This isn't the case if we perform no |
| 4265 | edits, then rawsize will be zero and we should use size). */ |
| 4266 | bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size); |
| 4267 | unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size; |
| 4268 | unsigned int in_index, out_index; |
| 4269 | bfd_vma add_to_offsets = 0; |
| 4270 | |
| 4271 | for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;) |
| 4272 | { |
| 4273 | if (edit_node) |
| 4274 | { |
| 4275 | unsigned int edit_index = edit_node->index; |
| 4276 | |
| 4277 | if (in_index < edit_index && in_index * 8 < input_size) |
| 4278 | { |
| 4279 | elf32_tic6x_copy_exidx_entry (output_bfd, |
| 4280 | edited_contents + out_index * 8, |
| 4281 | contents + in_index * 8, add_to_offsets); |
| 4282 | out_index++; |
| 4283 | in_index++; |
| 4284 | } |
| 4285 | else if (in_index == edit_index |
| 4286 | || (in_index * 8 >= input_size |
| 4287 | && edit_index == UINT_MAX)) |
| 4288 | { |
| 4289 | switch (edit_node->type) |
| 4290 | { |
| 4291 | case DELETE_EXIDX_ENTRY: |
| 4292 | in_index++; |
| 4293 | add_to_offsets += 8; |
| 4294 | break; |
| 4295 | |
| 4296 | case INSERT_EXIDX_CANTUNWIND_AT_END: |
| 4297 | { |
| 4298 | asection *text_sec = edit_node->linked_section; |
| 4299 | bfd_vma text_offset = text_sec->output_section->vma |
| 4300 | + text_sec->output_offset |
| 4301 | + text_sec->size; |
| 4302 | bfd_vma exidx_offset = offset + out_index * 8; |
| 4303 | unsigned long prel31_offset; |
| 4304 | |
| 4305 | /* Note: this is meant to be equivalent to an |
| 4306 | R_C6000_PREL31 relocation. These synthetic |
| 4307 | EXIDX_CANTUNWIND markers are not relocated by the |
| 4308 | usual BFD method. */ |
| 4309 | prel31_offset = ((text_offset - exidx_offset) >> 1) |
| 4310 | & 0x7ffffffful; |
| 4311 | |
| 4312 | /* First address we can't unwind. */ |
| 4313 | bfd_put_32 (output_bfd, prel31_offset, |
| 4314 | &edited_contents[out_index * 8]); |
| 4315 | |
| 4316 | /* Code for EXIDX_CANTUNWIND. */ |
| 4317 | bfd_put_32 (output_bfd, 0x1, |
| 4318 | &edited_contents[out_index * 8 + 4]); |
| 4319 | |
| 4320 | out_index++; |
| 4321 | add_to_offsets -= 8; |
| 4322 | } |
| 4323 | break; |
| 4324 | } |
| 4325 | |
| 4326 | edit_node = edit_node->next; |
| 4327 | } |
| 4328 | } |
| 4329 | else |
| 4330 | { |
| 4331 | /* No more edits, copy remaining entries verbatim. */ |
| 4332 | elf32_tic6x_copy_exidx_entry (output_bfd, |
| 4333 | edited_contents + out_index * 8, |
| 4334 | contents + in_index * 8, add_to_offsets); |
| 4335 | out_index++; |
| 4336 | in_index++; |
| 4337 | } |
| 4338 | } |
| 4339 | |
| 4340 | if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD)) |
| 4341 | bfd_set_section_contents (output_bfd, sec->output_section, |
| 4342 | edited_contents, |
| 4343 | (file_ptr) sec->output_offset, sec->size); |
| 4344 | |
| 4345 | return TRUE; |
| 4346 | } |
| 4347 | |
| 4348 | static void |
| 4349 | elf32_tic6x_set_osabi (bfd *abfd, struct bfd_link_info *link_info) |
| 4350 | { |
| 4351 | if (link_info != NULL && link_info->relocatable) |
| 4352 | return; |
| 4353 | _bfd_elf_set_osabi (abfd, link_info); |
| 4354 | } |
| 4355 | |
| 4356 | #define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec |
| 4357 | #define TARGET_LITTLE_NAME "elf32-tic6x-le" |
| 4358 | #define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec |
| 4359 | #define TARGET_BIG_NAME "elf32-tic6x-be" |
| 4360 | #define ELF_ARCH bfd_arch_tic6x |
| 4361 | #define ELF_TARGET_ID TIC6X_ELF_DATA |
| 4362 | #define ELF_MACHINE_CODE EM_TI_C6000 |
| 4363 | #define ELF_MAXPAGESIZE 0x1000 |
| 4364 | #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup |
| 4365 | #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup |
| 4366 | #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data |
| 4367 | #define bfd_elf32_mkobject elf32_tic6x_mkobject |
| 4368 | #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create |
| 4369 | #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook |
| 4370 | #define elf_backend_stack_align 8 |
| 4371 | #define elf_backend_can_gc_sections 1 |
| 4372 | #define elf_backend_default_use_rela_p 1 |
| 4373 | #define elf_backend_may_use_rel_p 1 |
| 4374 | #define elf_backend_may_use_rela_p 1 |
| 4375 | #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type |
| 4376 | #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown |
| 4377 | #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order |
| 4378 | #define elf_backend_obj_attrs_section ".c6xabi.attributes" |
| 4379 | #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES |
| 4380 | #define elf_backend_obj_attrs_vendor "c6xabi" |
| 4381 | #define elf_backend_can_refcount 1 |
| 4382 | #define elf_backend_want_got_plt 1 |
| 4383 | #define elf_backend_want_dynbss 1 |
| 4384 | #define elf_backend_plt_readonly 1 |
| 4385 | #define elf_backend_rela_normal 1 |
| 4386 | #define elf_backend_got_header_size 8 |
| 4387 | #define elf_backend_fake_sections elf32_tic6x_fake_sections |
| 4388 | #define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook |
| 4389 | #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections |
| 4390 | #define elf_backend_create_dynamic_sections \ |
| 4391 | elf32_tic6x_create_dynamic_sections |
| 4392 | #define elf_backend_adjust_dynamic_symbol \ |
| 4393 | elf32_tic6x_adjust_dynamic_symbol |
| 4394 | #define elf_backend_check_relocs elf32_tic6x_check_relocs |
| 4395 | #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook |
| 4396 | #define elf_backend_symbol_processing elf32_tic6x_symbol_processing |
| 4397 | #define elf_backend_link_output_symbol_hook \ |
| 4398 | elf32_tic6x_link_output_symbol_hook |
| 4399 | #define elf_backend_section_from_bfd_section \ |
| 4400 | elf32_tic6x_section_from_bfd_section |
| 4401 | #define elf_backend_relocate_section elf32_tic6x_relocate_section |
| 4402 | #define elf_backend_relocs_compatible _bfd_elf_relocs_compatible |
| 4403 | #define elf_backend_finish_dynamic_symbol \ |
| 4404 | elf32_tic6x_finish_dynamic_symbol |
| 4405 | #define elf_backend_always_size_sections \ |
| 4406 | elf32_tic6x_always_size_sections |
| 4407 | #define elf_backend_size_dynamic_sections \ |
| 4408 | elf32_tic6x_size_dynamic_sections |
| 4409 | #define elf_backend_finish_dynamic_sections \ |
| 4410 | elf32_tic6x_finish_dynamic_sections |
| 4411 | #define bfd_elf32_bfd_final_link \ |
| 4412 | elf32_tic6x_final_link |
| 4413 | #define elf_backend_write_section elf32_tic6x_write_section |
| 4414 | #define elf_info_to_howto elf32_tic6x_info_to_howto |
| 4415 | #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel |
| 4416 | |
| 4417 | #undef elf_backend_omit_section_dynsym |
| 4418 | #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym |
| 4419 | #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val |
| 4420 | |
| 4421 | #include "elf32-target.h" |
| 4422 | |
| 4423 | #undef elf32_bed |
| 4424 | #define elf32_bed elf32_tic6x_linux_bed |
| 4425 | |
| 4426 | #undef TARGET_LITTLE_SYM |
| 4427 | #define TARGET_LITTLE_SYM bfd_elf32_tic6x_linux_le_vec |
| 4428 | #undef TARGET_LITTLE_NAME |
| 4429 | #define TARGET_LITTLE_NAME "elf32-tic6x-linux-le" |
| 4430 | #undef TARGET_BIG_SYM |
| 4431 | #define TARGET_BIG_SYM bfd_elf32_tic6x_linux_be_vec |
| 4432 | #undef TARGET_BIG_NAME |
| 4433 | #define TARGET_BIG_NAME "elf32-tic6x-linux-be" |
| 4434 | #undef ELF_OSABI |
| 4435 | #define ELF_OSABI ELFOSABI_C6000_LINUX |
| 4436 | |
| 4437 | #undef elf_backend_post_process_headers |
| 4438 | #define elf_backend_post_process_headers elf32_tic6x_set_osabi |
| 4439 | |
| 4440 | #include "elf32-target.h" |
| 4441 | |
| 4442 | #undef elf32_bed |
| 4443 | #define elf32_bed elf32_tic6x_elf_bed |
| 4444 | |
| 4445 | #undef TARGET_LITTLE_SYM |
| 4446 | #define TARGET_LITTLE_SYM bfd_elf32_tic6x_elf_le_vec |
| 4447 | #undef TARGET_LITTLE_NAME |
| 4448 | #define TARGET_LITTLE_NAME "elf32-tic6x-elf-le" |
| 4449 | #undef TARGET_BIG_SYM |
| 4450 | #define TARGET_BIG_SYM bfd_elf32_tic6x_elf_be_vec |
| 4451 | #undef TARGET_BIG_NAME |
| 4452 | #define TARGET_BIG_NAME "elf32-tic6x-elf-be" |
| 4453 | #undef ELF_OSABI |
| 4454 | #define ELF_OSABI ELFOSABI_C6000_ELFABI |
| 4455 | |
| 4456 | #undef elf_backend_post_process_headers |
| 4457 | #define elf_backend_post_process_headers elf32_tic6x_set_osabi |
| 4458 | |
| 4459 | #include "elf32-target.h" |