| 1 | /* OR32-specific support for 32-bit ELF |
| 2 | Copyright 2002, 2004 Free Software Foundation, Inc. |
| 3 | Contributed by Ivan Guzvinec <ivang@opencores.org> |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "bfd.h" |
| 22 | #include "sysdep.h" |
| 23 | #include "libbfd.h" |
| 24 | #include "elf-bfd.h" |
| 25 | #include "elf/or32.h" |
| 26 | #include "libiberty.h" |
| 27 | |
| 28 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
| 29 | PARAMS ((bfd *, bfd_reloc_code_real_type)); |
| 30 | static void or32_info_to_howto_rel |
| 31 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
| 32 | static bfd_boolean or32_elf_object_p |
| 33 | PARAMS ((bfd *)); |
| 34 | static void or32_elf_final_write_processing |
| 35 | PARAMS ((bfd *, bfd_boolean)); |
| 36 | static bfd_reloc_status_type or32_elf_32_reloc |
| 37 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 38 | static bfd_reloc_status_type or32_elf_16_reloc |
| 39 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 40 | static bfd_reloc_status_type or32_elf_8_reloc |
| 41 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 42 | static bfd_reloc_status_type or32_elf_const_reloc |
| 43 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 44 | static bfd_reloc_status_type or32_elf_consth_reloc |
| 45 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 46 | static bfd_reloc_status_type or32_elf_jumptarg_reloc |
| 47 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 48 | |
| 49 | /* Try to minimize the amount of space occupied by relocation tables |
| 50 | on the ROM (not that the ROM won't be swamped by other ELF overhead). */ |
| 51 | #define USE_REL 1 |
| 52 | |
| 53 | static reloc_howto_type elf_or32_howto_table[] = |
| 54 | { |
| 55 | /* This reloc does nothing. */ |
| 56 | HOWTO (R_OR32_NONE, /* type */ |
| 57 | 0, /* rightshift */ |
| 58 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 59 | 32, /* bitsize */ |
| 60 | FALSE, /* pc_relative */ |
| 61 | 0, /* bitpos */ |
| 62 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 63 | bfd_elf_generic_reloc, /* special_function */ |
| 64 | "R_OR32_NONE", /* name */ |
| 65 | FALSE, /* partial_inplace */ |
| 66 | 0, /* src_mask */ |
| 67 | 0, /* dst_mask */ |
| 68 | FALSE), /* pcrel_offset */ |
| 69 | |
| 70 | /* A standard 32 bit relocation. */ |
| 71 | HOWTO (R_OR32_32, /* type */ |
| 72 | 0, /* rightshift */ |
| 73 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 74 | 32, /* bitsize */ |
| 75 | FALSE, /* pc_relative */ |
| 76 | 0, /* bitpos */ |
| 77 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 78 | or32_elf_32_reloc, /* special_function */ |
| 79 | "R_OR32_32", /* name */ |
| 80 | FALSE, /* partial_inplace */ |
| 81 | 0xffffffff, /* src_mask */ |
| 82 | 0xffffffff, /* dst_mask */ |
| 83 | FALSE), /* pcrel_offset */ |
| 84 | |
| 85 | /* A standard 16 bit relocation. */ |
| 86 | HOWTO (R_OR32_16, /* type */ |
| 87 | 0, /* rightshift */ |
| 88 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 89 | 16, /* bitsize */ |
| 90 | FALSE, /* pc_relative */ |
| 91 | 0, /* bitpos */ |
| 92 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 93 | or32_elf_16_reloc, /* special_function */ |
| 94 | "R_OR32_16", /* name */ |
| 95 | FALSE, /* partial_inplace */ |
| 96 | 0x0000ffff, /* src_mask */ |
| 97 | 0x0000ffff, /* dst_mask */ |
| 98 | FALSE), /* pcrel_offset */ |
| 99 | |
| 100 | /* A standard 8 bit relocation. */ |
| 101 | HOWTO (R_OR32_8, /* type */ |
| 102 | 0, /* rightshift */ |
| 103 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 104 | 8, /* bitsize */ |
| 105 | FALSE, /* pc_relative */ |
| 106 | 0, /* bitpos */ |
| 107 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 108 | or32_elf_8_reloc, /* special_function */ |
| 109 | "R_OR32_8", /* name */ |
| 110 | FALSE, /* partial_inplace */ |
| 111 | 0x000000ff, /* src_mask */ |
| 112 | 0x000000ff, /* dst_mask */ |
| 113 | FALSE), /* pcrel_offset */ |
| 114 | |
| 115 | /* A standard low 16 bit relocation. */ |
| 116 | HOWTO (R_OR32_CONST, /* type */ |
| 117 | 0, /* rightshift */ |
| 118 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 119 | 16, /* bitsize */ |
| 120 | FALSE, /* pc_relative */ |
| 121 | 0, /* bitpos */ |
| 122 | complain_overflow_dont, /* complain_on_overflow */ |
| 123 | or32_elf_const_reloc, /* special_function */ |
| 124 | "R_OR32_CONST", /* name */ |
| 125 | FALSE, /* partial_inplace */ |
| 126 | 0x0000ffff, /* src_mask */ |
| 127 | 0x0000ffff, /* dst_mask */ |
| 128 | FALSE), /* pcrel_offset */ |
| 129 | |
| 130 | /* A standard high 16 bit relocation. */ |
| 131 | HOWTO (R_OR32_CONSTH, /* type */ |
| 132 | 16, /* rightshift */ |
| 133 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 134 | 16, /* bitsize */ |
| 135 | TRUE, /* pc_relative */ |
| 136 | 0, /* bitpos */ |
| 137 | complain_overflow_dont, /* complain_on_overflow */ |
| 138 | or32_elf_consth_reloc, /* special_function */ |
| 139 | "R_OR32_CONSTH", /* name */ |
| 140 | FALSE, /* partial_inplace */ |
| 141 | 0xffff0000, /* src_mask */ |
| 142 | 0x0000ffff, /* dst_mask */ |
| 143 | FALSE), /* pcrel_offset */ |
| 144 | |
| 145 | /* A standard branch relocation. */ |
| 146 | HOWTO (R_OR32_JUMPTARG, /* type */ |
| 147 | 2, /* rightshift */ |
| 148 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 149 | 28, /* bitsize */ |
| 150 | TRUE, /* pc_relative */ |
| 151 | 0, /* bitpos */ |
| 152 | complain_overflow_signed, /* complain_on_overflow */ |
| 153 | or32_elf_jumptarg_reloc,/* special_function */ |
| 154 | "R_OR32_JUMPTARG", /* name */ |
| 155 | FALSE, /* partial_inplace */ |
| 156 | 0, /* src_mask */ |
| 157 | 0x03ffffff, /* dst_mask */ |
| 158 | TRUE), /* pcrel_offset */ |
| 159 | |
| 160 | /* GNU extension to record C++ vtable hierarchy. */ |
| 161 | HOWTO (R_OR32_GNU_VTINHERIT, /* type */ |
| 162 | 0, /* rightshift */ |
| 163 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 164 | 0, /* bitsize */ |
| 165 | FALSE, /* pc_relative */ |
| 166 | 0, /* bitpos */ |
| 167 | complain_overflow_dont, /* complain_on_overflow */ |
| 168 | NULL, /* special_function */ |
| 169 | "R_OR32_GNU_VTINHERIT", /* name */ |
| 170 | FALSE, /* partial_inplace */ |
| 171 | 0, /* src_mask */ |
| 172 | 0, /* dst_mask */ |
| 173 | FALSE), /* pcrel_offset */ |
| 174 | |
| 175 | /* GNU extension to record C++ vtable member usage. */ |
| 176 | HOWTO (R_OR32_GNU_VTENTRY, /* type */ |
| 177 | 0, /* rightshift */ |
| 178 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 179 | 0, /* bitsize */ |
| 180 | FALSE, /* pc_relative */ |
| 181 | 0, /* bitpos */ |
| 182 | complain_overflow_dont, /* complain_on_overflow */ |
| 183 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| 184 | "R_OR32_GNU_VTENTRY", /* name */ |
| 185 | FALSE, /* partial_inplace */ |
| 186 | 0, /* src_mask */ |
| 187 | 0, /* dst_mask */ |
| 188 | FALSE), /* pcrel_offset */ |
| 189 | }; |
| 190 | |
| 191 | /* Map BFD reloc types to OR32 ELF reloc types. */ |
| 192 | |
| 193 | struct or32_reloc_map |
| 194 | { |
| 195 | bfd_reloc_code_real_type bfd_reloc_val; |
| 196 | unsigned char elf_reloc_val; |
| 197 | }; |
| 198 | |
| 199 | static const struct or32_reloc_map or32_reloc_map[] = |
| 200 | { |
| 201 | { BFD_RELOC_NONE, R_OR32_NONE }, |
| 202 | { BFD_RELOC_32, R_OR32_32 }, |
| 203 | { BFD_RELOC_16, R_OR32_16 }, |
| 204 | { BFD_RELOC_8, R_OR32_8 }, |
| 205 | { BFD_RELOC_LO16, R_OR32_CONST }, |
| 206 | { BFD_RELOC_HI16, R_OR32_CONSTH }, |
| 207 | { BFD_RELOC_32_GOT_PCREL, R_OR32_JUMPTARG }, |
| 208 | { BFD_RELOC_VTABLE_INHERIT, R_OR32_GNU_VTINHERIT }, |
| 209 | { BFD_RELOC_VTABLE_ENTRY, R_OR32_GNU_VTENTRY }, |
| 210 | }; |
| 211 | |
| 212 | static reloc_howto_type * |
| 213 | bfd_elf32_bfd_reloc_type_lookup (abfd, code) |
| 214 | bfd *abfd ATTRIBUTE_UNUSED; |
| 215 | bfd_reloc_code_real_type code; |
| 216 | { |
| 217 | unsigned int i; |
| 218 | |
| 219 | for (i = ARRAY_SIZE (or32_reloc_map); i--;) |
| 220 | { |
| 221 | if (or32_reloc_map[i].bfd_reloc_val == code) |
| 222 | return &elf_or32_howto_table[or32_reloc_map[i].elf_reloc_val]; |
| 223 | } |
| 224 | |
| 225 | return NULL; |
| 226 | } |
| 227 | |
| 228 | /* Set the howto pointer for an OR32 ELF reloc. */ |
| 229 | |
| 230 | static void |
| 231 | or32_info_to_howto_rel (abfd, cache_ptr, dst) |
| 232 | bfd *abfd ATTRIBUTE_UNUSED; |
| 233 | arelent *cache_ptr; |
| 234 | Elf_Internal_Rela *dst; |
| 235 | { |
| 236 | unsigned int r_type; |
| 237 | |
| 238 | r_type = ELF32_R_TYPE (dst->r_info); |
| 239 | BFD_ASSERT (r_type < (unsigned int) R_OR32_max); |
| 240 | cache_ptr->howto = &elf_or32_howto_table[r_type]; |
| 241 | } |
| 242 | |
| 243 | /* Set the right machine number for an OR32 ELF file. */ |
| 244 | |
| 245 | static bfd_boolean |
| 246 | or32_elf_object_p (abfd) |
| 247 | bfd *abfd; |
| 248 | { |
| 249 | (void) bfd_default_set_arch_mach (abfd, bfd_arch_or32, 0); |
| 250 | return TRUE; |
| 251 | } |
| 252 | |
| 253 | /* The final processing done just before writing out an OR32 ELF object file. |
| 254 | This gets the OR32 architecture right based on the machine number. */ |
| 255 | |
| 256 | static void |
| 257 | or32_elf_final_write_processing (abfd, linker) |
| 258 | bfd *abfd; |
| 259 | bfd_boolean linker ATTRIBUTE_UNUSED; |
| 260 | { |
| 261 | int mach; |
| 262 | unsigned long val; |
| 263 | |
| 264 | switch (mach = bfd_get_mach (abfd)) |
| 265 | { |
| 266 | /* |
| 267 | case bfd_mach_arc_base: |
| 268 | val = E_OR32_MACH_BASE; |
| 269 | break; |
| 270 | */ |
| 271 | default: |
| 272 | val = 0; |
| 273 | return; |
| 274 | } |
| 275 | |
| 276 | elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH; |
| 277 | elf_elfheader (abfd)->e_flags |= val; |
| 278 | } |
| 279 | |
| 280 | bfd_reloc_status_type |
| 281 | or32_elf_32_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 282 | output_bfd, error_message) |
| 283 | bfd *abfd; |
| 284 | arelent *reloc_entry; |
| 285 | asymbol *symbol; |
| 286 | PTR data; |
| 287 | asection *input_section; |
| 288 | bfd *output_bfd; |
| 289 | char **error_message ATTRIBUTE_UNUSED; |
| 290 | { |
| 291 | if (output_bfd != (bfd *) NULL) |
| 292 | { |
| 293 | unsigned long insn; |
| 294 | bfd_size_type addr = reloc_entry->address; |
| 295 | |
| 296 | reloc_entry->address += input_section->output_offset; |
| 297 | |
| 298 | insn = bfd_get_32 (abfd, (bfd_byte *) data + addr); |
| 299 | insn += symbol->section->output_section->vma; |
| 300 | insn += symbol->section->output_offset; |
| 301 | insn += symbol->value; |
| 302 | bfd_put_32 (abfd, insn, (bfd_byte *) data + addr); |
| 303 | |
| 304 | return bfd_reloc_ok; |
| 305 | } |
| 306 | |
| 307 | return bfd_reloc_continue; |
| 308 | } |
| 309 | |
| 310 | bfd_reloc_status_type |
| 311 | or32_elf_16_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 312 | output_bfd, error_message) |
| 313 | bfd *abfd; |
| 314 | arelent *reloc_entry; |
| 315 | asymbol *symbol; |
| 316 | PTR data; |
| 317 | asection *input_section; |
| 318 | bfd *output_bfd; |
| 319 | char **error_message ATTRIBUTE_UNUSED; |
| 320 | { |
| 321 | if (output_bfd != (bfd *) NULL) |
| 322 | { |
| 323 | unsigned short insn; |
| 324 | bfd_size_type addr = reloc_entry->address; |
| 325 | |
| 326 | reloc_entry->address += input_section->output_offset; |
| 327 | |
| 328 | insn = bfd_get_16 (abfd, (bfd_byte *) data + addr); |
| 329 | insn += symbol->section->output_section->vma; |
| 330 | insn += symbol->section->output_offset; |
| 331 | insn += symbol->value; |
| 332 | bfd_put_16 (abfd, insn, (bfd_byte *) data + addr); |
| 333 | |
| 334 | return bfd_reloc_ok; |
| 335 | } |
| 336 | |
| 337 | return bfd_reloc_continue; |
| 338 | } |
| 339 | |
| 340 | bfd_reloc_status_type |
| 341 | or32_elf_8_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 342 | output_bfd, error_message) |
| 343 | bfd *abfd ATTRIBUTE_UNUSED; |
| 344 | arelent *reloc_entry; |
| 345 | asymbol *symbol; |
| 346 | PTR data; |
| 347 | asection *input_section; |
| 348 | bfd *output_bfd; |
| 349 | char **error_message ATTRIBUTE_UNUSED; |
| 350 | { |
| 351 | if (output_bfd != (bfd *) NULL) |
| 352 | { |
| 353 | unsigned char insn; |
| 354 | bfd_size_type addr = reloc_entry->address; |
| 355 | |
| 356 | reloc_entry->address += input_section->output_offset; |
| 357 | |
| 358 | insn = bfd_get_8 (abfd, (bfd_byte *) data + addr); |
| 359 | insn += symbol->section->output_section->vma; |
| 360 | insn += symbol->section->output_offset; |
| 361 | insn += symbol->value; |
| 362 | bfd_put_8 (abfd, insn, (bfd_byte *) data + addr); |
| 363 | |
| 364 | return bfd_reloc_ok; |
| 365 | } |
| 366 | |
| 367 | return bfd_reloc_continue; |
| 368 | } |
| 369 | |
| 370 | /* Do a R_OR32_CONSTH relocation. This has to be done in combination |
| 371 | with a R_OR32_CONST reloc, because there is a carry from the LO16 to |
| 372 | the HI16. Here we just save the information we need; we do the |
| 373 | actual relocation when we see the LO16. OR32 ELF requires that the |
| 374 | LO16 immediately follow the HI16. As a GNU extension, we permit an |
| 375 | arbitrary number of HI16 relocs to be associated with a single LO16 |
| 376 | reloc. This extension permits gcc to output the HI and LO relocs |
| 377 | itself. This code is copied from the elf32-mips.c. */ |
| 378 | |
| 379 | struct or32_consth |
| 380 | { |
| 381 | struct or32_consth *next; |
| 382 | bfd_byte *addr; |
| 383 | bfd_vma addend; |
| 384 | }; |
| 385 | |
| 386 | /* FIXME: This should not be a static variable. */ |
| 387 | |
| 388 | static struct or32_consth *or32_consth_list; |
| 389 | |
| 390 | bfd_reloc_status_type |
| 391 | or32_elf_consth_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 392 | output_bfd, error_message) |
| 393 | bfd *abfd ATTRIBUTE_UNUSED; |
| 394 | arelent *reloc_entry; |
| 395 | asymbol *symbol; |
| 396 | PTR data; |
| 397 | asection *input_section; |
| 398 | bfd *output_bfd; |
| 399 | char **error_message ATTRIBUTE_UNUSED; |
| 400 | { |
| 401 | bfd_reloc_status_type ret; |
| 402 | bfd_vma relocation; |
| 403 | struct or32_consth *n; |
| 404 | |
| 405 | ret = bfd_reloc_ok; |
| 406 | |
| 407 | if (bfd_is_und_section (symbol->section) |
| 408 | && output_bfd == (bfd *) NULL) |
| 409 | ret = bfd_reloc_undefined; |
| 410 | |
| 411 | if (bfd_is_com_section (symbol->section)) |
| 412 | relocation = 0; |
| 413 | else |
| 414 | relocation = symbol->value; |
| 415 | |
| 416 | relocation += symbol->section->output_section->vma; |
| 417 | relocation += symbol->section->output_offset; |
| 418 | relocation += reloc_entry->addend; |
| 419 | |
| 420 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
| 421 | return bfd_reloc_outofrange; |
| 422 | |
| 423 | /* Save the information, and let LO16 do the actual relocation. */ |
| 424 | n = (struct or32_consth *) bfd_malloc (sizeof *n); |
| 425 | if (n == NULL) |
| 426 | return bfd_reloc_outofrange; |
| 427 | n->addr = (bfd_byte *) data + reloc_entry->address; |
| 428 | n->addend = relocation; |
| 429 | n->next = or32_consth_list; |
| 430 | or32_consth_list = n; |
| 431 | |
| 432 | if (output_bfd != (bfd *) NULL) |
| 433 | reloc_entry->address += input_section->output_offset; |
| 434 | |
| 435 | return ret; |
| 436 | } |
| 437 | |
| 438 | /* Do a R_OR32_CONST relocation. This is a straightforward 16 bit |
| 439 | inplace relocation; this function exists in order to do the |
| 440 | R_OR32_CONSTH relocation described above. */ |
| 441 | |
| 442 | bfd_reloc_status_type |
| 443 | or32_elf_const_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 444 | output_bfd, error_message) |
| 445 | bfd *abfd; |
| 446 | arelent *reloc_entry; |
| 447 | asymbol *symbol; |
| 448 | PTR data; |
| 449 | asection *input_section; |
| 450 | bfd *output_bfd; |
| 451 | char **error_message; |
| 452 | { |
| 453 | if (or32_consth_list != NULL) |
| 454 | { |
| 455 | struct or32_consth *l; |
| 456 | |
| 457 | l = or32_consth_list; |
| 458 | while (l != NULL) |
| 459 | { |
| 460 | unsigned long insn; |
| 461 | unsigned long val; |
| 462 | unsigned long vallo; |
| 463 | struct or32_consth *next; |
| 464 | |
| 465 | /* Do the HI16 relocation. Note that we actually don't need |
| 466 | to know anything about the LO16 itself, except where to |
| 467 | find the low 16 bits of the addend needed by the LO16. */ |
| 468 | insn = bfd_get_32 (abfd, l->addr); |
| 469 | vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address) |
| 470 | & 0xffff); |
| 471 | val = ((insn & 0xffff) << 16) + vallo; |
| 472 | val += l->addend; |
| 473 | |
| 474 | insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff); |
| 475 | bfd_put_32 (abfd, insn, l->addr); |
| 476 | |
| 477 | next = l->next; |
| 478 | free (l); |
| 479 | l = next; |
| 480 | } |
| 481 | |
| 482 | or32_consth_list = NULL; |
| 483 | } |
| 484 | |
| 485 | if (output_bfd != (bfd *) NULL) |
| 486 | { |
| 487 | unsigned long insn, tmp; |
| 488 | bfd_size_type addr = reloc_entry->address; |
| 489 | |
| 490 | reloc_entry->address += input_section->output_offset; |
| 491 | |
| 492 | insn = bfd_get_32 (abfd, (bfd_byte *) data + addr); |
| 493 | tmp = insn & 0x0000ffff; |
| 494 | tmp += symbol->section->output_section->vma; |
| 495 | tmp += symbol->section->output_offset; |
| 496 | tmp += symbol->value; |
| 497 | insn = (insn & 0xffff0000) | (tmp & 0x0000ffff); |
| 498 | bfd_put_32 (abfd, insn, (bfd_byte *) data + addr); |
| 499 | |
| 500 | return bfd_reloc_ok; |
| 501 | } |
| 502 | |
| 503 | /* Now do the LO16 reloc in the usual way. */ |
| 504 | return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, |
| 505 | input_section, output_bfd, error_message); |
| 506 | } |
| 507 | |
| 508 | bfd_reloc_status_type |
| 509 | or32_elf_jumptarg_reloc (abfd, reloc_entry, symbol, data, input_section, |
| 510 | output_bfd, error_message) |
| 511 | bfd *abfd; |
| 512 | arelent *reloc_entry; |
| 513 | asymbol *symbol ATTRIBUTE_UNUSED; |
| 514 | PTR data; |
| 515 | asection *input_section; |
| 516 | bfd *output_bfd; |
| 517 | char **error_message ATTRIBUTE_UNUSED; |
| 518 | { |
| 519 | if (output_bfd != (bfd *) NULL) |
| 520 | { |
| 521 | unsigned long insn, tmp; |
| 522 | bfd_size_type addr = reloc_entry->address; |
| 523 | |
| 524 | reloc_entry->address += input_section->output_offset; |
| 525 | |
| 526 | insn = bfd_get_32 (abfd, (bfd_byte *) data + addr); |
| 527 | tmp = insn | 0xfc000000; |
| 528 | tmp -= (input_section->output_offset >> 2); |
| 529 | insn = (insn & 0xfc000000) | (tmp & 0x03ffffff); |
| 530 | bfd_put_32 (abfd, insn, (bfd_byte *) data + addr); |
| 531 | |
| 532 | return bfd_reloc_ok; |
| 533 | } |
| 534 | |
| 535 | return bfd_reloc_continue; |
| 536 | } |
| 537 | |
| 538 | #define TARGET_LITTLE_SYM bfd_elf32_or32_little_vec |
| 539 | #define TARGET_LITTLE_NAME "elf32-littleor32" |
| 540 | #define TARGET_BIG_SYM bfd_elf32_or32_big_vec |
| 541 | #define TARGET_BIG_NAME "elf32-or32" |
| 542 | #define ELF_ARCH bfd_arch_or32 |
| 543 | #define ELF_MACHINE_CODE EM_OR32 |
| 544 | #define ELF_MAXPAGESIZE 0x1000 |
| 545 | |
| 546 | #define elf_info_to_howto 0 |
| 547 | #define elf_info_to_howto_rel or32_info_to_howto_rel |
| 548 | #define elf_backend_object_p or32_elf_object_p |
| 549 | #define elf_backend_final_write_processing \ |
| 550 | or32_elf_final_write_processing |
| 551 | |
| 552 | #include "elf32-target.h" |