| 1 | /* BFD back-end for Hitachi H8/300 COFF binaries. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
| 3 | Written by Steve Chamberlain, <sac@cygnus.com>. |
| 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #include "bfd.h" |
| 22 | #include "sysdep.h" |
| 23 | #include "obstack.h" |
| 24 | #include "libbfd.h" |
| 25 | #include "bfdlink.h" |
| 26 | #include "coff/h8300.h" |
| 27 | #include "coff/internal.h" |
| 28 | #include "libcoff.h" |
| 29 | |
| 30 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1) |
| 31 | |
| 32 | |
| 33 | /* special handling for H8/300 relocs. |
| 34 | We only come here for pcrel stuff and return normally if not an -r link. |
| 35 | When doing -r, we can't do any arithmetic for the pcrel stuff, because |
| 36 | the code in reloc.c assumes that we can manipulate the targets of |
| 37 | the pcrel branches. This isn't so, since the H8/300 can do relaxing, |
| 38 | which means that the gap after the instruction may not be enough to |
| 39 | contain the offset required for the branch, so we have to use the only |
| 40 | the addend until the final link */ |
| 41 | |
| 42 | static bfd_reloc_status_type |
| 43 | special (abfd, reloc_entry, symbol, data, input_section, output_bfd, |
| 44 | error_message) |
| 45 | bfd *abfd; |
| 46 | arelent *reloc_entry; |
| 47 | asymbol *symbol; |
| 48 | PTR data; |
| 49 | asection *input_section; |
| 50 | bfd *output_bfd; |
| 51 | char **error_message; |
| 52 | { |
| 53 | if (output_bfd == (bfd *) NULL) |
| 54 | return bfd_reloc_continue; |
| 55 | |
| 56 | return bfd_reloc_ok; |
| 57 | } |
| 58 | |
| 59 | static reloc_howto_type howto_table[] = |
| 60 | { |
| 61 | HOWTO (R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "8", false, 0x000000ff, 0x000000ff, false), |
| 62 | HOWTO (R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16", false, 0x0000ffff, 0x0000ffff, false), |
| 63 | HOWTO (R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, special, "32", false, 0xffffffff, 0xffffffff, false), |
| 64 | HOWTO (R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, special, "DISP8", false, 0x000000ff, 0x000000ff, true), |
| 65 | HOWTO (R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, special, "DISP16", false, 0x0000ffff, 0x0000ffff, true), |
| 66 | HOWTO (R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, special, "DISP32", false, 0xffffffff, 0xffffffff, true), |
| 67 | HOWTO (R_MOVB1, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16/8", false, 0x0000ffff, 0x0000ffff, false), |
| 68 | HOWTO (R_MOVB2, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "8/16", false, 0x0000ffff, 0x0000ffff, false), |
| 69 | HOWTO (R_JMP1, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "16/pcrel", false, 0x0000ffff, 0x0000ffff, false), |
| 70 | HOWTO (R_JMP2, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "pcrecl/16", false, 0x000000ff, 0x000000ff, false), |
| 71 | |
| 72 | |
| 73 | HOWTO (R_JMPL1, 0, 2, 32, false, 0, complain_overflow_bitfield, special, "24/pcrell", false, 0x00ffffff, 0x00ffffff, false), |
| 74 | HOWTO (R_JMPL_B8, 0, 0, 8, false, 0, complain_overflow_bitfield, special, "pc8/24", false, 0x000000ff, 0x000000ff, false), |
| 75 | |
| 76 | HOWTO (R_MOVLB1, 0, 1, 16, false, 0, complain_overflow_bitfield,special, "24/8", false, 0x0000ffff, 0x0000ffff, false), |
| 77 | HOWTO (R_MOVLB2, 0, 1, 16, false, 0, complain_overflow_bitfield, special, "8/24", false, 0x0000ffff, 0x0000ffff, false), |
| 78 | |
| 79 | }; |
| 80 | |
| 81 | |
| 82 | /* Turn a howto into a reloc number */ |
| 83 | |
| 84 | #define SELECT_RELOC(x,howto) \ |
| 85 | { x.r_type = select_reloc(howto); } |
| 86 | |
| 87 | #define BADMAG(x) (H8300BADMAG(x)&& H8300HBADMAG(x)) |
| 88 | #define H8300 1 /* Customize coffcode.h */ |
| 89 | #define __A_MAGIC_SET__ |
| 90 | |
| 91 | |
| 92 | |
| 93 | /* Code to swap in the reloc */ |
| 94 | #define SWAP_IN_RELOC_OFFSET bfd_h_get_32 |
| 95 | #define SWAP_OUT_RELOC_OFFSET bfd_h_put_32 |
| 96 | #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \ |
| 97 | dst->r_stuff[0] = 'S'; \ |
| 98 | dst->r_stuff[1] = 'C'; |
| 99 | |
| 100 | |
| 101 | static int |
| 102 | select_reloc (howto) |
| 103 | reloc_howto_type *howto; |
| 104 | { |
| 105 | return howto->type; |
| 106 | } |
| 107 | |
| 108 | /* Code to turn a r_type into a howto ptr, uses the above howto table |
| 109 | */ |
| 110 | |
| 111 | static void |
| 112 | rtype2howto (internal, dst) |
| 113 | arelent *internal; |
| 114 | struct internal_reloc *dst; |
| 115 | { |
| 116 | switch (dst->r_type) |
| 117 | { |
| 118 | case R_RELBYTE: |
| 119 | internal->howto = howto_table + 0; |
| 120 | break; |
| 121 | case R_RELWORD: |
| 122 | internal->howto = howto_table + 1; |
| 123 | break; |
| 124 | case R_RELLONG: |
| 125 | internal->howto = howto_table + 2; |
| 126 | break; |
| 127 | case R_PCRBYTE: |
| 128 | internal->howto = howto_table + 3; |
| 129 | break; |
| 130 | case R_PCRWORD: |
| 131 | internal->howto = howto_table + 4; |
| 132 | break; |
| 133 | case R_PCRLONG: |
| 134 | internal->howto = howto_table + 5; |
| 135 | break; |
| 136 | case R_MOVB1: |
| 137 | internal->howto = howto_table + 6; |
| 138 | break; |
| 139 | case R_MOVB2: |
| 140 | internal->howto = howto_table + 7; |
| 141 | break; |
| 142 | case R_JMP1: |
| 143 | internal->howto = howto_table + 8; |
| 144 | break; |
| 145 | case R_JMP2: |
| 146 | internal->howto = howto_table + 9; |
| 147 | break; |
| 148 | case R_JMPL1: |
| 149 | internal->howto = howto_table + 10; |
| 150 | break; |
| 151 | case R_JMPL_B8: |
| 152 | internal->howto = howto_table + 11; |
| 153 | break; |
| 154 | case R_MOVLB1: |
| 155 | internal->howto = howto_table + 12; |
| 156 | break; |
| 157 | case R_MOVLB2: |
| 158 | internal->howto = howto_table + 13; |
| 159 | break; |
| 160 | default: |
| 161 | fprintf (stderr, "Bad reloc\n"); |
| 162 | break; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) |
| 167 | |
| 168 | |
| 169 | /* Perform any necessaru magic to the addend in a reloc entry */ |
| 170 | |
| 171 | |
| 172 | #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \ |
| 173 | cache_ptr->addend = ext_reloc.r_offset; |
| 174 | |
| 175 | |
| 176 | #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \ |
| 177 | reloc_processing(relent, reloc, symbols, abfd, section) |
| 178 | |
| 179 | static void |
| 180 | reloc_processing (relent, reloc, symbols, abfd, section) |
| 181 | arelent * relent; |
| 182 | struct internal_reloc *reloc; |
| 183 | asymbol ** symbols; |
| 184 | bfd * abfd; |
| 185 | asection * section; |
| 186 | { |
| 187 | relent->address = reloc->r_vaddr; |
| 188 | rtype2howto (relent, reloc); |
| 189 | |
| 190 | if (((int) reloc->r_symndx) > 0) |
| 191 | { |
| 192 | relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; |
| 193 | } |
| 194 | else |
| 195 | { |
| 196 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
| 197 | } |
| 198 | |
| 199 | |
| 200 | |
| 201 | relent->addend = reloc->r_offset; |
| 202 | |
| 203 | relent->address -= section->vma; |
| 204 | /* relent->section = 0;*/ |
| 205 | } |
| 206 | |
| 207 | |
| 208 | static int |
| 209 | h8300_reloc16_estimate(abfd, input_section, reloc, shrink, link_info) |
| 210 | bfd *abfd; |
| 211 | asection *input_section; |
| 212 | arelent *reloc; |
| 213 | unsigned int shrink; |
| 214 | struct bfd_link_info *link_info; |
| 215 | { |
| 216 | bfd_vma value; |
| 217 | bfd_vma dot; |
| 218 | bfd_vma gap; |
| 219 | |
| 220 | /* The address of the thing to be relocated will have moved back by |
| 221 | the size of the shrink - but we don't change reloc->address here, |
| 222 | since we need it to know where the relocation lives in the source |
| 223 | uncooked section */ |
| 224 | |
| 225 | /* reloc->address -= shrink; conceptual */ |
| 226 | |
| 227 | bfd_vma address = reloc->address - shrink; |
| 228 | |
| 229 | |
| 230 | switch (reloc->howto->type) |
| 231 | { |
| 232 | case R_MOVB2: |
| 233 | case R_JMP2: |
| 234 | shrink+=2; |
| 235 | break; |
| 236 | |
| 237 | /* Thing is a move one byte */ |
| 238 | case R_MOVB1: |
| 239 | value = bfd_coff_reloc16_get_value(reloc, link_info, input_section); |
| 240 | |
| 241 | if (value >= 0xff00) |
| 242 | { |
| 243 | |
| 244 | /* Change the reloc type from 16bit, possible 8 to 8bit |
| 245 | possible 16 */ |
| 246 | reloc->howto = reloc->howto + 1; |
| 247 | /* The place to relc moves back by one */ |
| 248 | /* This will be two bytes smaller in the long run */ |
| 249 | shrink +=2 ; |
| 250 | bfd_perform_slip(abfd, 2, input_section, address); |
| 251 | } |
| 252 | |
| 253 | break; |
| 254 | /* This is the 24 bit branch which could become an 8 bitter, |
| 255 | the relocation points to the first byte of the insn, not the |
| 256 | actual data */ |
| 257 | |
| 258 | case R_JMPL1: |
| 259 | value = bfd_coff_reloc16_get_value(reloc, link_info, input_section); |
| 260 | |
| 261 | dot = input_section->output_section->vma + |
| 262 | input_section->output_offset + address; |
| 263 | |
| 264 | /* See if the address we're looking at within 127 bytes of where |
| 265 | we are, if so then we can use a small branch rather than the |
| 266 | jump we were going to */ |
| 267 | |
| 268 | gap = value - dot ; |
| 269 | |
| 270 | if (-120 < (long)gap && (long)gap < 120 ) |
| 271 | { |
| 272 | |
| 273 | /* Change the reloc type from 24bit, possible 8 to 8bit |
| 274 | possible 32 */ |
| 275 | reloc->howto = reloc->howto + 1; |
| 276 | /* This will be two bytes smaller in the long run */ |
| 277 | shrink +=2 ; |
| 278 | bfd_perform_slip(abfd, 2, input_section, address); |
| 279 | } |
| 280 | break; |
| 281 | |
| 282 | case R_JMP1: |
| 283 | |
| 284 | value = bfd_coff_reloc16_get_value(reloc, link_info, input_section); |
| 285 | |
| 286 | dot = input_section->output_section->vma + |
| 287 | input_section->output_offset + address; |
| 288 | |
| 289 | /* See if the address we're looking at within 127 bytes of where |
| 290 | we are, if so then we can use a small branch rather than the |
| 291 | jump we were going to */ |
| 292 | |
| 293 | gap = value - (dot - shrink); |
| 294 | |
| 295 | |
| 296 | if (-120 < (long)gap && (long)gap < 120 ) |
| 297 | { |
| 298 | |
| 299 | /* Change the reloc type from 16bit, possible 8 to 8bit |
| 300 | possible 16 */ |
| 301 | reloc->howto = reloc->howto + 1; |
| 302 | /* The place to relc moves back by one */ |
| 303 | |
| 304 | /* This will be two bytes smaller in the long run */ |
| 305 | shrink +=2 ; |
| 306 | bfd_perform_slip(abfd, 2, input_section, address); |
| 307 | } |
| 308 | break; |
| 309 | } |
| 310 | |
| 311 | |
| 312 | return shrink; |
| 313 | } |
| 314 | |
| 315 | |
| 316 | /* First phase of a relaxing link */ |
| 317 | |
| 318 | /* Reloc types |
| 319 | large small |
| 320 | R_MOVB1 R_MOVB2 mov.b with 16bit or 8 bit address |
| 321 | R_JMP1 R_JMP2 jmp or pcrel branch |
| 322 | R_JMPL1 R_JMPL_B8 24jmp or pcrel branch |
| 323 | R_MOVLB1 R_MOVLB2 24 or 8 bit reloc for mov.b |
| 324 | |
| 325 | */ |
| 326 | |
| 327 | static void |
| 328 | h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, |
| 329 | dst_ptr) |
| 330 | bfd *abfd; |
| 331 | struct bfd_link_info *link_info; |
| 332 | struct bfd_link_order *link_order; |
| 333 | arelent *reloc; |
| 334 | bfd_byte *data; |
| 335 | unsigned int *src_ptr; |
| 336 | unsigned int *dst_ptr; |
| 337 | { |
| 338 | unsigned int src_address = *src_ptr; |
| 339 | unsigned int dst_address = *dst_ptr; |
| 340 | asection *input_section = link_order->u.indirect.section; |
| 341 | |
| 342 | switch (reloc->howto->type) |
| 343 | { |
| 344 | /* A 24 bit branch which could be a 8 bit pcrel, really pointing to |
| 345 | the byte before the 24bit hole, so we can treat it as a 32bit pointer */ |
| 346 | case R_PCRBYTE: |
| 347 | { |
| 348 | bfd_vma dot = link_order->offset |
| 349 | + dst_address |
| 350 | + link_order->u.indirect.section->output_section->vma; |
| 351 | int gap = (bfd_coff_reloc16_get_value (reloc, link_info, input_section) |
| 352 | - dot); |
| 353 | if (gap > 127 || gap < -128) |
| 354 | { |
| 355 | if (! ((*link_info->callbacks->reloc_overflow) |
| 356 | (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), |
| 357 | reloc->howto->name, reloc->addend, input_section->owner, |
| 358 | input_section, reloc->address))) |
| 359 | abort (); |
| 360 | } |
| 361 | gap &= ~1; |
| 362 | bfd_put_8 (abfd, gap, data + dst_address); |
| 363 | dst_address++; |
| 364 | src_address++; |
| 365 | |
| 366 | break; |
| 367 | } |
| 368 | case R_PCRWORD: |
| 369 | { |
| 370 | bfd_vma dot = link_order->offset |
| 371 | + dst_address |
| 372 | + link_order->u.indirect.section->output_section->vma; |
| 373 | int gap = (bfd_coff_reloc16_get_value (reloc, link_info, input_section) |
| 374 | - dot) - 1; |
| 375 | if (gap > 32767 || gap < -32768) |
| 376 | { |
| 377 | if (! ((*link_info->callbacks->reloc_overflow) |
| 378 | (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), |
| 379 | reloc->howto->name, reloc->addend, input_section->owner, |
| 380 | input_section, reloc->address))) |
| 381 | abort (); |
| 382 | } |
| 383 | |
| 384 | bfd_put_16 (abfd, gap, data + dst_address); |
| 385 | dst_address+=2; |
| 386 | src_address+=2; |
| 387 | |
| 388 | break; |
| 389 | } |
| 390 | |
| 391 | case R_RELBYTE: |
| 392 | { |
| 393 | unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info, |
| 394 | input_section); |
| 395 | if (gap < 0xff |
| 396 | || (gap >= 0x0000ff00 |
| 397 | && gap <= 0x0000ffff) |
| 398 | || ( gap >= 0x00ffff00 |
| 399 | && gap <= 0x00ffffff) |
| 400 | || ( gap >= 0xffffff00 |
| 401 | && gap <= 0xffffffff)) |
| 402 | { |
| 403 | bfd_put_8 (abfd, gap, data + dst_address); |
| 404 | dst_address += 1; |
| 405 | src_address += 1; |
| 406 | } |
| 407 | else |
| 408 | { |
| 409 | if (! ((*link_info->callbacks->reloc_overflow) |
| 410 | (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr), |
| 411 | reloc->howto->name, reloc->addend, input_section->owner, |
| 412 | input_section, reloc->address))) |
| 413 | abort (); |
| 414 | } |
| 415 | } |
| 416 | break; |
| 417 | case R_JMP1: |
| 418 | /* A relword which would have like to have been a pcrel */ |
| 419 | case R_MOVB1: |
| 420 | /* A relword which would like to have been modified but |
| 421 | didn't make it */ |
| 422 | case R_RELWORD: |
| 423 | bfd_put_16 (abfd, |
| 424 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), |
| 425 | data + dst_address); |
| 426 | dst_address += 2; |
| 427 | src_address += 2; |
| 428 | break; |
| 429 | case R_RELLONG: |
| 430 | bfd_put_32 (abfd, |
| 431 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), |
| 432 | data + dst_address); |
| 433 | dst_address += 4; |
| 434 | src_address += 4; |
| 435 | break; |
| 436 | |
| 437 | case R_MOVB2: |
| 438 | /* Special relaxed type, there will be a gap between where we |
| 439 | get stuff from and where we put stuff to now |
| 440 | |
| 441 | for a mov.b @aa:16 -> mov.b @aa:8 |
| 442 | opcode 0x6a 0x0y offset |
| 443 | -> 0x2y off |
| 444 | */ |
| 445 | if (data[dst_address - 1] != 0x6a) |
| 446 | abort (); |
| 447 | switch (data[src_address] & 0xf0) |
| 448 | { |
| 449 | case 0x00: |
| 450 | /* Src is memory */ |
| 451 | data[dst_address - 1] = (data[src_address] & 0xf) | 0x20; |
| 452 | break; |
| 453 | case 0x80: |
| 454 | /* Src is reg */ |
| 455 | data[dst_address - 1] = (data[src_address] & 0xf) | 0x30; |
| 456 | break; |
| 457 | default: |
| 458 | abort (); |
| 459 | } |
| 460 | |
| 461 | /* the offset must fit ! after all, what was all the relaxing |
| 462 | about ? */ |
| 463 | |
| 464 | bfd_put_8 (abfd, |
| 465 | bfd_coff_reloc16_get_value (reloc, link_info, input_section), |
| 466 | data + dst_address); |
| 467 | |
| 468 | /* Note the magic - src goes up by two bytes, but dst by only |
| 469 | one */ |
| 470 | dst_address += 1; |
| 471 | src_address += 3; |
| 472 | |
| 473 | break; |
| 474 | |
| 475 | case R_JMP2: |
| 476 | |
| 477 | /* Speciial relaxed type */ |
| 478 | { |
| 479 | bfd_vma dot = link_order->offset |
| 480 | + dst_address |
| 481 | + link_order->u.indirect.section->output_section->vma; |
| 482 | |
| 483 | int gap = (bfd_coff_reloc16_get_value (reloc, link_info, input_section) |
| 484 | - dot - 1); |
| 485 | |
| 486 | if ((gap & ~0xff) != 0 && ((gap & 0xff00) != 0xff00)) |
| 487 | abort (); |
| 488 | |
| 489 | bfd_put_8 (abfd, gap, data + dst_address); |
| 490 | |
| 491 | switch (data[dst_address - 1]) |
| 492 | { |
| 493 | case 0x5e: |
| 494 | /* jsr -> bsr */ |
| 495 | bfd_put_8 (abfd, 0x55, data + dst_address - 1); |
| 496 | break; |
| 497 | case 0x5a: |
| 498 | /* jmp ->bra */ |
| 499 | bfd_put_8 (abfd, 0x40, data + dst_address - 1); |
| 500 | break; |
| 501 | |
| 502 | default: |
| 503 | abort (); |
| 504 | } |
| 505 | dst_address++; |
| 506 | src_address += 3; |
| 507 | |
| 508 | break; |
| 509 | } |
| 510 | break; |
| 511 | |
| 512 | case R_JMPL_B8: /* 24 bit branch which is now 8 bits */ |
| 513 | |
| 514 | /* Speciial relaxed type */ |
| 515 | { |
| 516 | bfd_vma dot = link_order->offset |
| 517 | + dst_address |
| 518 | + link_order->u.indirect.section->output_section->vma; |
| 519 | |
| 520 | int gap = (bfd_coff_reloc16_get_value (reloc, link_info, input_section) |
| 521 | - dot - 2); |
| 522 | |
| 523 | if ((gap & ~0xff) != 0 && ((gap & 0xff00) != 0xff00)) |
| 524 | abort (); |
| 525 | |
| 526 | switch (data[src_address]) |
| 527 | { |
| 528 | case 0x5e: |
| 529 | /* jsr -> bsr */ |
| 530 | bfd_put_8 (abfd, 0x55, data + dst_address); |
| 531 | break; |
| 532 | case 0x5a: |
| 533 | /* jmp ->bra */ |
| 534 | bfd_put_8 (abfd, 0x40, data + dst_address); |
| 535 | break; |
| 536 | |
| 537 | default: |
| 538 | bfd_put_8 (abfd, 0xde, data + dst_address); |
| 539 | break; |
| 540 | } |
| 541 | |
| 542 | bfd_put_8 (abfd, gap, data + dst_address + 1); |
| 543 | dst_address += 2; |
| 544 | src_address += 4; |
| 545 | |
| 546 | break; |
| 547 | } |
| 548 | |
| 549 | case R_JMPL1: |
| 550 | { |
| 551 | int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section); |
| 552 | int o = bfd_get_32 (abfd, data + src_address); |
| 553 | v = (v & 0x00ffffff) | (o & 0xff000000); |
| 554 | bfd_put_32 (abfd, v, data + dst_address); |
| 555 | dst_address += 4; |
| 556 | src_address += 4; |
| 557 | } |
| 558 | |
| 559 | break; |
| 560 | |
| 561 | |
| 562 | /* A 24 bit mov which could be an 8 bit move, really pointing to |
| 563 | the byte before the 24bit hole, so we can treat it as a 32bit pointer */ |
| 564 | case R_MOVLB1: |
| 565 | { |
| 566 | int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section); |
| 567 | int o = bfd_get_32 (abfd, data + dst_address); |
| 568 | v = (v & 0x00ffffff) | (o & 0xff000000); |
| 569 | bfd_put_32 (abfd, v, data + dst_address); |
| 570 | dst_address += 4; |
| 571 | src_address += 4; |
| 572 | } |
| 573 | |
| 574 | break; |
| 575 | default: |
| 576 | |
| 577 | abort (); |
| 578 | break; |
| 579 | |
| 580 | } |
| 581 | *src_ptr = src_address; |
| 582 | *dst_ptr = dst_address; |
| 583 | |
| 584 | } |
| 585 | |
| 586 | #define coff_reloc16_extra_cases h8300_reloc16_extra_cases |
| 587 | #define coff_reloc16_estimate h8300_reloc16_estimate |
| 588 | |
| 589 | #define COFF_LONG_FILENAMES |
| 590 | #include "coffcode.h" |
| 591 | |
| 592 | |
| 593 | #undef coff_bfd_get_relocated_section_contents |
| 594 | #undef coff_bfd_relax_section |
| 595 | #define coff_bfd_get_relocated_section_contents \ |
| 596 | bfd_coff_reloc16_get_relocated_section_contents |
| 597 | #define coff_bfd_relax_section bfd_coff_reloc16_relax_section |
| 598 | |
| 599 | |
| 600 | |
| 601 | const bfd_target h8300coff_vec = |
| 602 | { |
| 603 | "coff-h8300", /* name */ |
| 604 | bfd_target_coff_flavour, |
| 605 | true, /* data byte order is big */ |
| 606 | true, /* header byte order is big */ |
| 607 | |
| 608 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 609 | HAS_LINENO | HAS_DEBUG | |
| 610 | HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ), |
| 611 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 612 | '_', /* leading char */ |
| 613 | '/', /* ar_pad_char */ |
| 614 | 15, /* ar_max_namelen */ |
| 615 | 1, /* minimum section alignment */ |
| 616 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 617 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 618 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ |
| 619 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 620 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 621 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ |
| 622 | |
| 623 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
| 624 | bfd_generic_archive_p, _bfd_dummy_target}, |
| 625 | {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ |
| 626 | bfd_false}, |
| 627 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ |
| 628 | _bfd_write_archive_contents, bfd_false}, |
| 629 | |
| 630 | BFD_JUMP_TABLE_GENERIC (coff), |
| 631 | BFD_JUMP_TABLE_COPY (coff), |
| 632 | BFD_JUMP_TABLE_CORE (_bfd_nocore), |
| 633 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), |
| 634 | BFD_JUMP_TABLE_SYMBOLS (coff), |
| 635 | BFD_JUMP_TABLE_RELOCS (coff), |
| 636 | BFD_JUMP_TABLE_WRITE (coff), |
| 637 | BFD_JUMP_TABLE_LINK (coff), |
| 638 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
| 639 | |
| 640 | COFF_SWAP_TABLE, |
| 641 | }; |