| 1 | /* BFD back-end for ieee-695 objects. |
| 2 | Copyright (C) 1990-2018 Free Software Foundation, Inc. |
| 3 | |
| 4 | Written by Steve Chamberlain of Cygnus Support. |
| 5 | |
| 6 | This file is part of BFD, the Binary File Descriptor library. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | |
| 23 | |
| 24 | #define KEEPMINUSPCININST 0 |
| 25 | |
| 26 | /* IEEE 695 format is a stream of records, which we parse using a simple one- |
| 27 | token (which is one byte in this lexicon) lookahead recursive decent |
| 28 | parser. */ |
| 29 | |
| 30 | #include "sysdep.h" |
| 31 | #include "bfd.h" |
| 32 | #include "libbfd.h" |
| 33 | #include "ieee.h" |
| 34 | #include "libieee.h" |
| 35 | #include "safe-ctype.h" |
| 36 | #include "libiberty.h" |
| 37 | |
| 38 | struct output_buffer_struct |
| 39 | { |
| 40 | unsigned char *ptrp; |
| 41 | int buffer; |
| 42 | }; |
| 43 | |
| 44 | static unsigned char *output_ptr_start; |
| 45 | static unsigned char *output_ptr; |
| 46 | static unsigned char *output_ptr_end; |
| 47 | static unsigned char *input_ptr_start; |
| 48 | static unsigned char *input_ptr; |
| 49 | static unsigned char *input_ptr_end; |
| 50 | static bfd *input_bfd; |
| 51 | static bfd *output_bfd; |
| 52 | static int output_buffer; |
| 53 | |
| 54 | |
| 55 | static void block (void); |
| 56 | |
| 57 | /* Functions for writing to ieee files in the strange way that the |
| 58 | standard requires. */ |
| 59 | |
| 60 | static bfd_boolean |
| 61 | ieee_write_byte (bfd *abfd, int barg) |
| 62 | { |
| 63 | bfd_byte byte; |
| 64 | |
| 65 | byte = barg; |
| 66 | if (bfd_bwrite ((void *) &byte, (bfd_size_type) 1, abfd) != 1) |
| 67 | return FALSE; |
| 68 | return TRUE; |
| 69 | } |
| 70 | |
| 71 | static bfd_boolean |
| 72 | ieee_write_2bytes (bfd *abfd, int bytes) |
| 73 | { |
| 74 | bfd_byte buffer[2]; |
| 75 | |
| 76 | buffer[0] = bytes >> 8; |
| 77 | buffer[1] = bytes & 0xff; |
| 78 | if (bfd_bwrite ((void *) buffer, (bfd_size_type) 2, abfd) != 2) |
| 79 | return FALSE; |
| 80 | return TRUE; |
| 81 | } |
| 82 | |
| 83 | static bfd_boolean |
| 84 | ieee_write_int (bfd *abfd, bfd_vma value) |
| 85 | { |
| 86 | if (value <= 127) |
| 87 | { |
| 88 | if (! ieee_write_byte (abfd, (bfd_byte) value)) |
| 89 | return FALSE; |
| 90 | } |
| 91 | else |
| 92 | { |
| 93 | unsigned int length; |
| 94 | |
| 95 | /* How many significant bytes ? */ |
| 96 | /* FIXME FOR LONGER INTS. */ |
| 97 | if (value & 0xff000000) |
| 98 | length = 4; |
| 99 | else if (value & 0x00ff0000) |
| 100 | length = 3; |
| 101 | else if (value & 0x0000ff00) |
| 102 | length = 2; |
| 103 | else |
| 104 | length = 1; |
| 105 | |
| 106 | if (! ieee_write_byte (abfd, |
| 107 | (bfd_byte) ((int) ieee_number_repeat_start_enum |
| 108 | + length))) |
| 109 | return FALSE; |
| 110 | switch (length) |
| 111 | { |
| 112 | case 4: |
| 113 | if (! ieee_write_byte (abfd, (bfd_byte) (value >> 24))) |
| 114 | return FALSE; |
| 115 | /* Fall through. */ |
| 116 | case 3: |
| 117 | if (! ieee_write_byte (abfd, (bfd_byte) (value >> 16))) |
| 118 | return FALSE; |
| 119 | /* Fall through. */ |
| 120 | case 2: |
| 121 | if (! ieee_write_byte (abfd, (bfd_byte) (value >> 8))) |
| 122 | return FALSE; |
| 123 | /* Fall through. */ |
| 124 | case 1: |
| 125 | if (! ieee_write_byte (abfd, (bfd_byte) (value))) |
| 126 | return FALSE; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | return TRUE; |
| 131 | } |
| 132 | |
| 133 | static bfd_boolean |
| 134 | ieee_write_id (bfd *abfd, const char *id) |
| 135 | { |
| 136 | size_t length = strlen (id); |
| 137 | |
| 138 | if (length <= 127) |
| 139 | { |
| 140 | if (! ieee_write_byte (abfd, (bfd_byte) length)) |
| 141 | return FALSE; |
| 142 | } |
| 143 | else if (length < 255) |
| 144 | { |
| 145 | if (! ieee_write_byte (abfd, ieee_extension_length_1_enum) |
| 146 | || ! ieee_write_byte (abfd, (bfd_byte) length)) |
| 147 | return FALSE; |
| 148 | } |
| 149 | else if (length < 65535) |
| 150 | { |
| 151 | if (! ieee_write_byte (abfd, ieee_extension_length_2_enum) |
| 152 | || ! ieee_write_2bytes (abfd, (int) length)) |
| 153 | return FALSE; |
| 154 | } |
| 155 | else |
| 156 | { |
| 157 | _bfd_error_handler |
| 158 | /* xgettext:c-format */ |
| 159 | (_("%pB: string too long (%ld chars, max 65535)"), abfd, (long) length); |
| 160 | bfd_set_error (bfd_error_invalid_operation); |
| 161 | return FALSE; |
| 162 | } |
| 163 | |
| 164 | if (bfd_bwrite ((void *) id, (bfd_size_type) length, abfd) != length) |
| 165 | return FALSE; |
| 166 | return TRUE; |
| 167 | } |
| 168 | \f |
| 169 | /* Functions for reading from ieee files in the strange way that the |
| 170 | standard requires. */ |
| 171 | |
| 172 | #define this_byte(ieee) *((ieee)->input_p) |
| 173 | #define this_byte_and_next(ieee) ((ieee)->input_p < (ieee)->end_p ? *((ieee)->input_p++) : 0) |
| 174 | |
| 175 | static bfd_boolean |
| 176 | next_byte (common_header_type * ieee) |
| 177 | { |
| 178 | ieee->input_p++; |
| 179 | |
| 180 | return ieee->input_p < ieee->last_byte; |
| 181 | } |
| 182 | |
| 183 | static unsigned short |
| 184 | read_2bytes (common_header_type *ieee) |
| 185 | { |
| 186 | unsigned char c1 = this_byte_and_next (ieee); |
| 187 | unsigned char c2 = this_byte_and_next (ieee); |
| 188 | |
| 189 | return (c1 << 8) | c2; |
| 190 | } |
| 191 | |
| 192 | static void |
| 193 | bfd_get_string (common_header_type *ieee, char *string, size_t length) |
| 194 | { |
| 195 | size_t i; |
| 196 | |
| 197 | for (i = 0; i < length; i++) |
| 198 | string[i] = this_byte_and_next (ieee); |
| 199 | } |
| 200 | |
| 201 | static char * |
| 202 | read_id (common_header_type *ieee) |
| 203 | { |
| 204 | size_t length; |
| 205 | char *string; |
| 206 | |
| 207 | length = this_byte_and_next (ieee); |
| 208 | if (length <= 0x7f) |
| 209 | /* Simple string of length 0 to 127. */ |
| 210 | ; |
| 211 | |
| 212 | else if (length == 0xde) |
| 213 | /* Length is next byte, allowing 0..255. */ |
| 214 | length = this_byte_and_next (ieee); |
| 215 | |
| 216 | else if (length == 0xdf) |
| 217 | { |
| 218 | /* Length is next two bytes, allowing 0..65535. */ |
| 219 | length = this_byte_and_next (ieee); |
| 220 | length = (length * 256) + this_byte_and_next (ieee); |
| 221 | } |
| 222 | |
| 223 | /* PR 21612: Check for an invalid length. */ |
| 224 | if (ieee->input_p + length >= ieee->end_p) |
| 225 | { |
| 226 | _bfd_error_handler (_("IEEE parser: string length: %#lx longer than buffer: %#lx"), |
| 227 | (long) length, (long) (ieee->end_p - ieee->input_p)); |
| 228 | bfd_set_error (bfd_error_invalid_operation); |
| 229 | return NULL; |
| 230 | } |
| 231 | |
| 232 | /* Buy memory and read string. */ |
| 233 | string = bfd_alloc (ieee->abfd, (bfd_size_type) length + 1); |
| 234 | if (!string) |
| 235 | return NULL; |
| 236 | bfd_get_string (ieee, string, length); |
| 237 | string[length] = 0; |
| 238 | return string; |
| 239 | } |
| 240 | |
| 241 | static bfd_boolean |
| 242 | ieee_write_expression (bfd *abfd, |
| 243 | bfd_vma value, |
| 244 | asymbol *symbol, |
| 245 | bfd_boolean pcrel, |
| 246 | unsigned int sindex) |
| 247 | { |
| 248 | unsigned int term_count = 0; |
| 249 | |
| 250 | if (value != 0) |
| 251 | { |
| 252 | if (! ieee_write_int (abfd, value)) |
| 253 | return FALSE; |
| 254 | term_count++; |
| 255 | } |
| 256 | |
| 257 | /* Badly formatted binaries can have a missing symbol, |
| 258 | so test here to prevent a seg fault. */ |
| 259 | if (symbol != NULL) |
| 260 | { |
| 261 | if (bfd_is_com_section (symbol->section) |
| 262 | || bfd_is_und_section (symbol->section)) |
| 263 | { |
| 264 | /* Def of a common symbol. */ |
| 265 | if (! ieee_write_byte (abfd, ieee_variable_X_enum) |
| 266 | || ! ieee_write_int (abfd, symbol->value)) |
| 267 | return FALSE; |
| 268 | term_count ++; |
| 269 | } |
| 270 | else if (! bfd_is_abs_section (symbol->section)) |
| 271 | { |
| 272 | /* Ref to defined symbol - */ |
| 273 | if (symbol->flags & BSF_GLOBAL) |
| 274 | { |
| 275 | if (! ieee_write_byte (abfd, ieee_variable_I_enum) |
| 276 | || ! ieee_write_int (abfd, symbol->value)) |
| 277 | return FALSE; |
| 278 | term_count++; |
| 279 | } |
| 280 | else if (symbol->flags & (BSF_LOCAL | BSF_SECTION_SYM)) |
| 281 | { |
| 282 | /* This is a reference to a defined local symbol. We can |
| 283 | easily do a local as a section+offset. */ |
| 284 | if (! ieee_write_byte (abfd, ieee_variable_R_enum) |
| 285 | || ! ieee_write_byte (abfd, |
| 286 | (bfd_byte) (symbol->section->index |
| 287 | + IEEE_SECTION_NUMBER_BASE))) |
| 288 | return FALSE; |
| 289 | |
| 290 | term_count++; |
| 291 | if (symbol->value != 0) |
| 292 | { |
| 293 | if (! ieee_write_int (abfd, symbol->value)) |
| 294 | return FALSE; |
| 295 | term_count++; |
| 296 | } |
| 297 | } |
| 298 | else |
| 299 | { |
| 300 | _bfd_error_handler |
| 301 | /* xgettext:c-format */ |
| 302 | (_("%pB: unrecognized symbol `%s' flags 0x%x"), |
| 303 | abfd, bfd_asymbol_name (symbol), symbol->flags); |
| 304 | bfd_set_error (bfd_error_invalid_operation); |
| 305 | return FALSE; |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | if (pcrel) |
| 311 | { |
| 312 | /* Subtract the pc from here by asking for PC of this section. */ |
| 313 | if (! ieee_write_byte (abfd, ieee_variable_P_enum) |
| 314 | || ! ieee_write_byte (abfd, |
| 315 | (bfd_byte) (sindex + IEEE_SECTION_NUMBER_BASE)) |
| 316 | || ! ieee_write_byte (abfd, ieee_function_minus_enum)) |
| 317 | return FALSE; |
| 318 | } |
| 319 | |
| 320 | /* Handle the degenerate case of a 0 address. */ |
| 321 | if (term_count == 0) |
| 322 | if (! ieee_write_int (abfd, (bfd_vma) 0)) |
| 323 | return FALSE; |
| 324 | |
| 325 | while (term_count > 1) |
| 326 | { |
| 327 | if (! ieee_write_byte (abfd, ieee_function_plus_enum)) |
| 328 | return FALSE; |
| 329 | term_count--; |
| 330 | } |
| 331 | |
| 332 | return TRUE; |
| 333 | } |
| 334 | \f |
| 335 | /* Writes any integer into the buffer supplied and always takes 5 bytes. */ |
| 336 | |
| 337 | static void |
| 338 | ieee_write_int5 (bfd_byte *buffer, bfd_vma value) |
| 339 | { |
| 340 | buffer[0] = (bfd_byte) ieee_number_repeat_4_enum; |
| 341 | buffer[1] = (value >> 24) & 0xff; |
| 342 | buffer[2] = (value >> 16) & 0xff; |
| 343 | buffer[3] = (value >> 8) & 0xff; |
| 344 | buffer[4] = (value >> 0) & 0xff; |
| 345 | } |
| 346 | |
| 347 | static bfd_boolean |
| 348 | ieee_write_int5_out (bfd *abfd, bfd_vma value) |
| 349 | { |
| 350 | bfd_byte b[5]; |
| 351 | |
| 352 | ieee_write_int5 (b, value); |
| 353 | if (bfd_bwrite ((void *) b, (bfd_size_type) 5, abfd) != 5) |
| 354 | return FALSE; |
| 355 | return TRUE; |
| 356 | } |
| 357 | |
| 358 | static bfd_boolean |
| 359 | parse_int (common_header_type *ieee, bfd_vma *value_ptr) |
| 360 | { |
| 361 | int value = this_byte (ieee); |
| 362 | int result; |
| 363 | |
| 364 | if (value >= 0 && value <= 127) |
| 365 | { |
| 366 | *value_ptr = value; |
| 367 | return next_byte (ieee); |
| 368 | } |
| 369 | else if (value >= 0x80 && value <= 0x88) |
| 370 | { |
| 371 | unsigned int count = value & 0xf; |
| 372 | |
| 373 | result = 0; |
| 374 | if (! next_byte (ieee)) |
| 375 | return FALSE; |
| 376 | while (count) |
| 377 | { |
| 378 | result = (result << 8) | this_byte_and_next (ieee); |
| 379 | count--; |
| 380 | } |
| 381 | *value_ptr = result; |
| 382 | return TRUE; |
| 383 | } |
| 384 | return FALSE; |
| 385 | } |
| 386 | |
| 387 | static int |
| 388 | parse_i (common_header_type *ieee, bfd_boolean *ok) |
| 389 | { |
| 390 | bfd_vma x = 0; |
| 391 | *ok = parse_int (ieee, &x); |
| 392 | return x; |
| 393 | } |
| 394 | |
| 395 | static bfd_vma |
| 396 | must_parse_int (common_header_type *ieee) |
| 397 | { |
| 398 | bfd_vma result = 0; |
| 399 | BFD_ASSERT (parse_int (ieee, &result)); |
| 400 | return result; |
| 401 | } |
| 402 | |
| 403 | typedef struct |
| 404 | { |
| 405 | bfd_vma value; |
| 406 | asection *section; |
| 407 | ieee_symbol_index_type symbol; |
| 408 | } ieee_value_type; |
| 409 | |
| 410 | |
| 411 | #if KEEPMINUSPCININST |
| 412 | |
| 413 | #define SRC_MASK(arg) arg |
| 414 | #define PCREL_OFFSET FALSE |
| 415 | |
| 416 | #else |
| 417 | |
| 418 | #define SRC_MASK(arg) 0 |
| 419 | #define PCREL_OFFSET TRUE |
| 420 | |
| 421 | #endif |
| 422 | |
| 423 | static reloc_howto_type abs32_howto = |
| 424 | HOWTO (1, |
| 425 | 0, |
| 426 | 2, |
| 427 | 32, |
| 428 | FALSE, |
| 429 | 0, |
| 430 | complain_overflow_bitfield, |
| 431 | 0, |
| 432 | "abs32", |
| 433 | TRUE, |
| 434 | 0xffffffff, |
| 435 | 0xffffffff, |
| 436 | FALSE); |
| 437 | |
| 438 | static reloc_howto_type abs16_howto = |
| 439 | HOWTO (1, |
| 440 | 0, |
| 441 | 1, |
| 442 | 16, |
| 443 | FALSE, |
| 444 | 0, |
| 445 | complain_overflow_bitfield, |
| 446 | 0, |
| 447 | "abs16", |
| 448 | TRUE, |
| 449 | 0x0000ffff, |
| 450 | 0x0000ffff, |
| 451 | FALSE); |
| 452 | |
| 453 | static reloc_howto_type abs8_howto = |
| 454 | HOWTO (1, |
| 455 | 0, |
| 456 | 0, |
| 457 | 8, |
| 458 | FALSE, |
| 459 | 0, |
| 460 | complain_overflow_bitfield, |
| 461 | 0, |
| 462 | "abs8", |
| 463 | TRUE, |
| 464 | 0x000000ff, |
| 465 | 0x000000ff, |
| 466 | FALSE); |
| 467 | |
| 468 | static reloc_howto_type rel32_howto = |
| 469 | HOWTO (1, |
| 470 | 0, |
| 471 | 2, |
| 472 | 32, |
| 473 | TRUE, |
| 474 | 0, |
| 475 | complain_overflow_signed, |
| 476 | 0, |
| 477 | "rel32", |
| 478 | TRUE, |
| 479 | SRC_MASK (0xffffffff), |
| 480 | 0xffffffff, |
| 481 | PCREL_OFFSET); |
| 482 | |
| 483 | static reloc_howto_type rel16_howto = |
| 484 | HOWTO (1, |
| 485 | 0, |
| 486 | 1, |
| 487 | 16, |
| 488 | TRUE, |
| 489 | 0, |
| 490 | complain_overflow_signed, |
| 491 | 0, |
| 492 | "rel16", |
| 493 | TRUE, |
| 494 | SRC_MASK (0x0000ffff), |
| 495 | 0x0000ffff, |
| 496 | PCREL_OFFSET); |
| 497 | |
| 498 | static reloc_howto_type rel8_howto = |
| 499 | HOWTO (1, |
| 500 | 0, |
| 501 | 0, |
| 502 | 8, |
| 503 | TRUE, |
| 504 | 0, |
| 505 | complain_overflow_signed, |
| 506 | 0, |
| 507 | "rel8", |
| 508 | TRUE, |
| 509 | SRC_MASK (0x000000ff), |
| 510 | 0x000000ff, |
| 511 | PCREL_OFFSET); |
| 512 | |
| 513 | static ieee_symbol_index_type NOSYMBOL = {0, 0}; |
| 514 | |
| 515 | static bfd_boolean |
| 516 | parse_expression (ieee_data_type *ieee, |
| 517 | bfd_vma *value, |
| 518 | ieee_symbol_index_type *symbol, |
| 519 | bfd_boolean *pcrel, |
| 520 | unsigned int *extra, |
| 521 | asection **section) |
| 522 | |
| 523 | { |
| 524 | bfd_boolean loop = TRUE; |
| 525 | ieee_value_type stack[10]; |
| 526 | ieee_value_type *sp = stack; |
| 527 | asection *dummy; |
| 528 | |
| 529 | #define POS sp[1] |
| 530 | #define TOS sp[0] |
| 531 | #define NOS sp[-1] |
| 532 | #define INC sp++; |
| 533 | #define DEC sp--; |
| 534 | |
| 535 | /* The stack pointer always points to the next unused location. */ |
| 536 | #define PUSH(x,y,z) TOS.symbol = x; TOS.section = y; TOS.value = z; INC; |
| 537 | #define POP(x,y,z) DEC; x = TOS.symbol; y = TOS.section; z = TOS.value; |
| 538 | |
| 539 | while (loop && ieee->h.input_p < ieee->h.last_byte) |
| 540 | { |
| 541 | switch (this_byte (&(ieee->h))) |
| 542 | { |
| 543 | case ieee_variable_P_enum: |
| 544 | /* P variable, current program counter for section n. */ |
| 545 | { |
| 546 | int section_n; |
| 547 | |
| 548 | if (! next_byte (&(ieee->h))) |
| 549 | return FALSE; |
| 550 | *pcrel = TRUE; |
| 551 | section_n = must_parse_int (&(ieee->h)); |
| 552 | (void) section_n; |
| 553 | PUSH (NOSYMBOL, bfd_abs_section_ptr, 0); |
| 554 | break; |
| 555 | } |
| 556 | |
| 557 | case ieee_variable_L_enum: |
| 558 | /* L variable address of section N. */ |
| 559 | if (! next_byte (&(ieee->h))) |
| 560 | return FALSE; |
| 561 | PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0); |
| 562 | break; |
| 563 | |
| 564 | case ieee_variable_R_enum: |
| 565 | /* R variable, logical address of section module. */ |
| 566 | /* FIXME, this should be different to L. */ |
| 567 | if (! next_byte (&(ieee->h))) |
| 568 | return FALSE; |
| 569 | PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0); |
| 570 | break; |
| 571 | |
| 572 | case ieee_variable_S_enum: |
| 573 | /* S variable, size in MAUS of section module. */ |
| 574 | if (! next_byte (&(ieee->h))) |
| 575 | return FALSE; |
| 576 | PUSH (NOSYMBOL, |
| 577 | 0, |
| 578 | ieee->section_table[must_parse_int (&(ieee->h))]->size); |
| 579 | break; |
| 580 | |
| 581 | case ieee_variable_I_enum: |
| 582 | /* Push the address of variable n. */ |
| 583 | { |
| 584 | ieee_symbol_index_type sy; |
| 585 | |
| 586 | if (! next_byte (&(ieee->h))) |
| 587 | return FALSE; |
| 588 | sy.index = (int) must_parse_int (&(ieee->h)); |
| 589 | sy.letter = 'I'; |
| 590 | |
| 591 | PUSH (sy, bfd_abs_section_ptr, 0); |
| 592 | } |
| 593 | break; |
| 594 | |
| 595 | case ieee_variable_X_enum: |
| 596 | /* Push the address of external variable n. */ |
| 597 | { |
| 598 | ieee_symbol_index_type sy; |
| 599 | |
| 600 | if (! next_byte (&(ieee->h))) |
| 601 | return FALSE; |
| 602 | |
| 603 | sy.index = (int) (must_parse_int (&(ieee->h))); |
| 604 | sy.letter = 'X'; |
| 605 | |
| 606 | PUSH (sy, bfd_und_section_ptr, 0); |
| 607 | } |
| 608 | break; |
| 609 | |
| 610 | case ieee_function_minus_enum: |
| 611 | { |
| 612 | bfd_vma value1, value2; |
| 613 | asection *section1, *section_dummy; |
| 614 | ieee_symbol_index_type sy; |
| 615 | |
| 616 | if (! next_byte (&(ieee->h))) |
| 617 | return FALSE; |
| 618 | |
| 619 | POP (sy, section1, value1); |
| 620 | POP (sy, section_dummy, value2); |
| 621 | PUSH (sy, section1 ? section1 : section_dummy, value2 - value1); |
| 622 | } |
| 623 | break; |
| 624 | |
| 625 | case ieee_function_plus_enum: |
| 626 | { |
| 627 | bfd_vma value1, value2; |
| 628 | asection *section1; |
| 629 | asection *section2; |
| 630 | ieee_symbol_index_type sy1; |
| 631 | ieee_symbol_index_type sy2; |
| 632 | |
| 633 | if (! next_byte (&(ieee->h))) |
| 634 | return FALSE; |
| 635 | |
| 636 | POP (sy1, section1, value1); |
| 637 | POP (sy2, section2, value2); |
| 638 | PUSH (sy1.letter ? sy1 : sy2, |
| 639 | bfd_is_abs_section (section1) ? section2 : section1, |
| 640 | value1 + value2); |
| 641 | } |
| 642 | break; |
| 643 | |
| 644 | default: |
| 645 | { |
| 646 | bfd_vma va; |
| 647 | |
| 648 | BFD_ASSERT (this_byte (&(ieee->h)) < (int) ieee_variable_A_enum |
| 649 | || this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum); |
| 650 | if (parse_int (&(ieee->h), &va)) |
| 651 | { |
| 652 | PUSH (NOSYMBOL, bfd_abs_section_ptr, va); |
| 653 | } |
| 654 | else |
| 655 | /* Thats all that we can understand. */ |
| 656 | loop = FALSE; |
| 657 | } |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | /* As far as I can see there is a bug in the Microtec IEEE output |
| 662 | which I'm using to scan, whereby the comma operator is omitted |
| 663 | sometimes in an expression, giving expressions with too many |
| 664 | terms. We can tell if that's the case by ensuring that |
| 665 | sp == stack here. If not, then we've pushed something too far, |
| 666 | so we keep adding. */ |
| 667 | while (sp != stack + 1) |
| 668 | { |
| 669 | asection *section1; |
| 670 | ieee_symbol_index_type sy1; |
| 671 | |
| 672 | POP (sy1, section1, *extra); |
| 673 | (void) section1; |
| 674 | (void) sy1; |
| 675 | } |
| 676 | |
| 677 | POP (*symbol, dummy, *value); |
| 678 | if (section) |
| 679 | *section = dummy; |
| 680 | |
| 681 | return TRUE; |
| 682 | } |
| 683 | |
| 684 | #define ieee_pos(ieee) \ |
| 685 | (ieee->h.input_p - ieee->h.first_byte) |
| 686 | |
| 687 | /* Find the first part of the ieee file after HERE. */ |
| 688 | |
| 689 | static file_ptr |
| 690 | ieee_part_after (ieee_data_type *ieee, file_ptr here) |
| 691 | { |
| 692 | int part; |
| 693 | file_ptr after = ieee->w.r.me_record; |
| 694 | |
| 695 | /* File parts can come in any order, except that module end is |
| 696 | guaranteed to be last (and the header first). */ |
| 697 | for (part = 0; part < N_W_VARIABLES; part++) |
| 698 | if (ieee->w.offset[part] > here && after > ieee->w.offset[part]) |
| 699 | after = ieee->w.offset[part]; |
| 700 | |
| 701 | return after; |
| 702 | } |
| 703 | |
| 704 | static bfd_boolean |
| 705 | ieee_seek (ieee_data_type * ieee, file_ptr offset) |
| 706 | { |
| 707 | /* PR 17512: file: 017-1157-0.004. */ |
| 708 | if (offset < 0 || (bfd_size_type) offset >= ieee->h.total_amt) |
| 709 | { |
| 710 | ieee->h.input_p = ieee->h.first_byte + ieee->h.total_amt; |
| 711 | ieee->h.end_p = ieee->h.last_byte = ieee->h.input_p; |
| 712 | return FALSE; |
| 713 | } |
| 714 | |
| 715 | ieee->h.input_p = ieee->h.first_byte + offset; |
| 716 | ieee->h.end_p = ieee->h.last_byte = (ieee->h.first_byte + ieee_part_after (ieee, offset)); |
| 717 | return TRUE; |
| 718 | } |
| 719 | |
| 720 | static unsigned int last_index; |
| 721 | static char last_type; /* Is the index for an X or a D. */ |
| 722 | |
| 723 | static ieee_symbol_type * |
| 724 | get_symbol (bfd *abfd ATTRIBUTE_UNUSED, |
| 725 | ieee_data_type *ieee, |
| 726 | ieee_symbol_type *last_symbol, |
| 727 | unsigned int *symbol_count, |
| 728 | ieee_symbol_type ***pptr, |
| 729 | unsigned int *max_index, |
| 730 | int this_type) |
| 731 | { |
| 732 | /* Need a new symbol. */ |
| 733 | unsigned int new_index = must_parse_int (&(ieee->h)); |
| 734 | |
| 735 | if (new_index != last_index || this_type != last_type) |
| 736 | { |
| 737 | ieee_symbol_type *new_symbol; |
| 738 | bfd_size_type amt = sizeof (ieee_symbol_type); |
| 739 | |
| 740 | new_symbol = bfd_alloc (ieee->h.abfd, amt); |
| 741 | if (!new_symbol) |
| 742 | return NULL; |
| 743 | |
| 744 | new_symbol->index = new_index; |
| 745 | last_index = new_index; |
| 746 | (*symbol_count)++; |
| 747 | **pptr = new_symbol; |
| 748 | *pptr = &new_symbol->next; |
| 749 | if (new_index > *max_index) |
| 750 | *max_index = new_index; |
| 751 | |
| 752 | last_type = this_type; |
| 753 | new_symbol->symbol.section = bfd_abs_section_ptr; |
| 754 | return new_symbol; |
| 755 | } |
| 756 | return last_symbol; |
| 757 | } |
| 758 | |
| 759 | static bfd_boolean |
| 760 | ieee_slurp_external_symbols (bfd *abfd) |
| 761 | { |
| 762 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 763 | file_ptr offset = ieee->w.r.external_part; |
| 764 | |
| 765 | ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols; |
| 766 | ieee_symbol_type **prev_reference_ptr = &ieee->external_reference; |
| 767 | ieee_symbol_type *symbol = NULL; |
| 768 | unsigned int symbol_count = 0; |
| 769 | bfd_boolean loop = TRUE; |
| 770 | |
| 771 | last_index = 0xffffff; |
| 772 | ieee->symbol_table_full = TRUE; |
| 773 | |
| 774 | if (! ieee_seek (ieee, offset)) |
| 775 | return FALSE; |
| 776 | |
| 777 | while (loop) |
| 778 | { |
| 779 | switch (this_byte (&(ieee->h))) |
| 780 | { |
| 781 | case ieee_nn_record: |
| 782 | if (! next_byte (&(ieee->h))) |
| 783 | return FALSE; |
| 784 | |
| 785 | symbol = get_symbol (abfd, ieee, symbol, &symbol_count, |
| 786 | & prev_symbols_ptr, |
| 787 | & ieee->external_symbol_max_index, 'I'); |
| 788 | if (symbol == NULL) |
| 789 | return FALSE; |
| 790 | |
| 791 | symbol->symbol.the_bfd = abfd; |
| 792 | symbol->symbol.name = read_id (&(ieee->h)); |
| 793 | symbol->symbol.udata.p = NULL; |
| 794 | symbol->symbol.flags = BSF_NO_FLAGS; |
| 795 | break; |
| 796 | |
| 797 | case ieee_external_symbol_enum: |
| 798 | if (! next_byte (&(ieee->h))) |
| 799 | return FALSE; |
| 800 | |
| 801 | symbol = get_symbol (abfd, ieee, symbol, &symbol_count, |
| 802 | &prev_symbols_ptr, |
| 803 | &ieee->external_symbol_max_index, 'D'); |
| 804 | if (symbol == NULL) |
| 805 | return FALSE; |
| 806 | |
| 807 | BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index); |
| 808 | |
| 809 | symbol->symbol.the_bfd = abfd; |
| 810 | symbol->symbol.name = read_id (&(ieee->h)); |
| 811 | symbol->symbol.udata.p = NULL; |
| 812 | symbol->symbol.flags = BSF_NO_FLAGS; |
| 813 | break; |
| 814 | case ieee_attribute_record_enum >> 8: |
| 815 | { |
| 816 | unsigned int symbol_name_index; |
| 817 | unsigned int symbol_type_index; |
| 818 | unsigned int symbol_attribute_def; |
| 819 | bfd_vma value = 0; |
| 820 | |
| 821 | switch (read_2bytes (&ieee->h)) |
| 822 | { |
| 823 | case ieee_attribute_record_enum: |
| 824 | symbol_name_index = must_parse_int (&(ieee->h)); |
| 825 | symbol_type_index = must_parse_int (&(ieee->h)); |
| 826 | (void) symbol_type_index; |
| 827 | symbol_attribute_def = must_parse_int (&(ieee->h)); |
| 828 | switch (symbol_attribute_def) |
| 829 | { |
| 830 | case 8: |
| 831 | case 19: |
| 832 | parse_int (&ieee->h, &value); |
| 833 | break; |
| 834 | default: |
| 835 | _bfd_error_handler |
| 836 | /* xgettext:c-format */ |
| 837 | (_("%pB: unimplemented ATI record %u for symbol %u"), |
| 838 | abfd, symbol_attribute_def, symbol_name_index); |
| 839 | bfd_set_error (bfd_error_bad_value); |
| 840 | return FALSE; |
| 841 | break; |
| 842 | } |
| 843 | break; |
| 844 | case ieee_external_reference_info_record_enum: |
| 845 | /* Skip over ATX record. */ |
| 846 | parse_int (&(ieee->h), &value); |
| 847 | parse_int (&(ieee->h), &value); |
| 848 | parse_int (&(ieee->h), &value); |
| 849 | parse_int (&(ieee->h), &value); |
| 850 | break; |
| 851 | case ieee_atn_record_enum: |
| 852 | /* We may get call optimization information here, |
| 853 | which we just ignore. The format is |
| 854 | {$F1}${CE}{index}{$00}{$3F}{$3F}{#_of_ASNs}. */ |
| 855 | parse_int (&ieee->h, &value); |
| 856 | parse_int (&ieee->h, &value); |
| 857 | parse_int (&ieee->h, &value); |
| 858 | if (value != 0x3f) |
| 859 | { |
| 860 | _bfd_error_handler |
| 861 | /* xgettext:c-format */ |
| 862 | (_("%pB: unexpected ATN type %" PRId64 " in external part"), |
| 863 | abfd, (int64_t) value); |
| 864 | bfd_set_error (bfd_error_bad_value); |
| 865 | return FALSE; |
| 866 | } |
| 867 | parse_int (&ieee->h, &value); |
| 868 | parse_int (&ieee->h, &value); |
| 869 | while (value > 0) |
| 870 | { |
| 871 | bfd_vma val1; |
| 872 | |
| 873 | --value; |
| 874 | |
| 875 | switch (read_2bytes (&ieee->h)) |
| 876 | { |
| 877 | case ieee_asn_record_enum: |
| 878 | parse_int (&ieee->h, &val1); |
| 879 | parse_int (&ieee->h, &val1); |
| 880 | break; |
| 881 | |
| 882 | default: |
| 883 | _bfd_error_handler |
| 884 | (_("%pB: unexpected type after ATN"), abfd); |
| 885 | bfd_set_error (bfd_error_bad_value); |
| 886 | return FALSE; |
| 887 | } |
| 888 | } |
| 889 | } |
| 890 | } |
| 891 | break; |
| 892 | |
| 893 | case ieee_value_record_enum >> 8: |
| 894 | { |
| 895 | unsigned int symbol_name_index; |
| 896 | ieee_symbol_index_type symbol_ignore; |
| 897 | bfd_boolean pcrel_ignore; |
| 898 | unsigned int extra; |
| 899 | |
| 900 | if (! next_byte (&(ieee->h))) |
| 901 | return FALSE; |
| 902 | if (! next_byte (&(ieee->h))) |
| 903 | return FALSE; |
| 904 | |
| 905 | symbol_name_index = must_parse_int (&(ieee->h)); |
| 906 | (void) symbol_name_index; |
| 907 | if (! parse_expression (ieee, |
| 908 | &symbol->symbol.value, |
| 909 | &symbol_ignore, |
| 910 | &pcrel_ignore, |
| 911 | &extra, |
| 912 | &symbol->symbol.section)) |
| 913 | return FALSE; |
| 914 | |
| 915 | /* Fully linked IEEE-695 files tend to give every symbol |
| 916 | an absolute value. Try to convert that back into a |
| 917 | section relative value. FIXME: This won't always to |
| 918 | the right thing. */ |
| 919 | if (bfd_is_abs_section (symbol->symbol.section) |
| 920 | && (abfd->flags & HAS_RELOC) == 0) |
| 921 | { |
| 922 | bfd_vma val; |
| 923 | asection *s; |
| 924 | |
| 925 | val = symbol->symbol.value; |
| 926 | for (s = abfd->sections; s != NULL; s = s->next) |
| 927 | { |
| 928 | if (val >= s->vma && val < s->vma + s->size) |
| 929 | { |
| 930 | symbol->symbol.section = s; |
| 931 | symbol->symbol.value -= s->vma; |
| 932 | break; |
| 933 | } |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT; |
| 938 | |
| 939 | } |
| 940 | break; |
| 941 | case ieee_weak_external_reference_enum: |
| 942 | { |
| 943 | bfd_vma size; |
| 944 | bfd_vma value; |
| 945 | |
| 946 | if (! next_byte (&(ieee->h))) |
| 947 | return FALSE; |
| 948 | |
| 949 | /* Throw away the external reference index. */ |
| 950 | (void) must_parse_int (&(ieee->h)); |
| 951 | /* Fetch the default size if not resolved. */ |
| 952 | size = must_parse_int (&(ieee->h)); |
| 953 | /* Fetch the default value if available. */ |
| 954 | if (! parse_int (&(ieee->h), &value)) |
| 955 | value = 0; |
| 956 | /* This turns into a common. */ |
| 957 | symbol->symbol.section = bfd_com_section_ptr; |
| 958 | symbol->symbol.value = size; |
| 959 | } |
| 960 | break; |
| 961 | |
| 962 | case ieee_external_reference_enum: |
| 963 | if (! next_byte (&(ieee->h))) |
| 964 | return FALSE; |
| 965 | |
| 966 | symbol = get_symbol (abfd, ieee, symbol, &symbol_count, |
| 967 | &prev_reference_ptr, |
| 968 | &ieee->external_reference_max_index, 'X'); |
| 969 | if (symbol == NULL) |
| 970 | return FALSE; |
| 971 | |
| 972 | symbol->symbol.the_bfd = abfd; |
| 973 | symbol->symbol.name = read_id (&(ieee->h)); |
| 974 | symbol->symbol.udata.p = NULL; |
| 975 | symbol->symbol.section = bfd_und_section_ptr; |
| 976 | symbol->symbol.value = (bfd_vma) 0; |
| 977 | symbol->symbol.flags = 0; |
| 978 | |
| 979 | BFD_ASSERT (symbol->index >= ieee->external_reference_min_index); |
| 980 | break; |
| 981 | |
| 982 | default: |
| 983 | loop = FALSE; |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | if (ieee->external_symbol_max_index != 0) |
| 988 | { |
| 989 | ieee->external_symbol_count = |
| 990 | ieee->external_symbol_max_index - |
| 991 | ieee->external_symbol_min_index + 1; |
| 992 | } |
| 993 | else |
| 994 | ieee->external_symbol_count = 0; |
| 995 | |
| 996 | if (ieee->external_reference_max_index != 0) |
| 997 | { |
| 998 | ieee->external_reference_count = |
| 999 | ieee->external_reference_max_index - |
| 1000 | ieee->external_reference_min_index + 1; |
| 1001 | } |
| 1002 | else |
| 1003 | ieee->external_reference_count = 0; |
| 1004 | |
| 1005 | abfd->symcount = |
| 1006 | ieee->external_reference_count + ieee->external_symbol_count; |
| 1007 | |
| 1008 | if (symbol_count != abfd->symcount) |
| 1009 | /* There are gaps in the table -- */ |
| 1010 | ieee->symbol_table_full = FALSE; |
| 1011 | |
| 1012 | *prev_symbols_ptr = NULL; |
| 1013 | *prev_reference_ptr = NULL; |
| 1014 | |
| 1015 | return TRUE; |
| 1016 | } |
| 1017 | |
| 1018 | static bfd_boolean |
| 1019 | ieee_slurp_symbol_table (bfd *abfd) |
| 1020 | { |
| 1021 | if (! IEEE_DATA (abfd)->read_symbols) |
| 1022 | { |
| 1023 | if (! ieee_slurp_external_symbols (abfd)) |
| 1024 | return FALSE; |
| 1025 | IEEE_DATA (abfd)->read_symbols = TRUE; |
| 1026 | } |
| 1027 | return TRUE; |
| 1028 | } |
| 1029 | |
| 1030 | static long |
| 1031 | ieee_get_symtab_upper_bound (bfd *abfd) |
| 1032 | { |
| 1033 | if (! ieee_slurp_symbol_table (abfd)) |
| 1034 | return -1; |
| 1035 | |
| 1036 | return (abfd->symcount != 0) ? |
| 1037 | (abfd->symcount + 1) * (sizeof (ieee_symbol_type *)) : 0; |
| 1038 | } |
| 1039 | |
| 1040 | /* Move from our internal lists to the canon table, and insert in |
| 1041 | symbol index order. */ |
| 1042 | |
| 1043 | extern const bfd_target ieee_vec; |
| 1044 | |
| 1045 | static long |
| 1046 | ieee_canonicalize_symtab (bfd *abfd, asymbol **location) |
| 1047 | { |
| 1048 | ieee_symbol_type *symp; |
| 1049 | static bfd dummy_bfd; |
| 1050 | static asymbol empty_symbol = |
| 1051 | { |
| 1052 | &dummy_bfd, |
| 1053 | " ieee empty", |
| 1054 | (symvalue) 0, |
| 1055 | BSF_DEBUGGING, |
| 1056 | bfd_abs_section_ptr |
| 1057 | #ifdef __STDC__ |
| 1058 | /* K&R compilers can't initialise unions. */ |
| 1059 | , { 0 } |
| 1060 | #endif |
| 1061 | }; |
| 1062 | |
| 1063 | if (abfd->symcount) |
| 1064 | { |
| 1065 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 1066 | |
| 1067 | dummy_bfd.xvec = &ieee_vec; |
| 1068 | if (! ieee_slurp_symbol_table (abfd)) |
| 1069 | return -1; |
| 1070 | |
| 1071 | if (! ieee->symbol_table_full) |
| 1072 | { |
| 1073 | /* Arrgh - there are gaps in the table, run through and fill them |
| 1074 | up with pointers to a null place. */ |
| 1075 | unsigned int i; |
| 1076 | |
| 1077 | for (i = 0; i < abfd->symcount; i++) |
| 1078 | location[i] = &empty_symbol; |
| 1079 | } |
| 1080 | |
| 1081 | ieee->external_symbol_base_offset = -ieee->external_symbol_min_index; |
| 1082 | for (symp = IEEE_DATA (abfd)->external_symbols; |
| 1083 | symp != (ieee_symbol_type *) NULL; |
| 1084 | symp = symp->next) |
| 1085 | /* Place into table at correct index locations. */ |
| 1086 | location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol; |
| 1087 | |
| 1088 | /* The external refs are indexed in a bit. */ |
| 1089 | ieee->external_reference_base_offset = |
| 1090 | -ieee->external_reference_min_index + ieee->external_symbol_count; |
| 1091 | |
| 1092 | for (symp = IEEE_DATA (abfd)->external_reference; |
| 1093 | symp != (ieee_symbol_type *) NULL; |
| 1094 | symp = symp->next) |
| 1095 | location[symp->index + ieee->external_reference_base_offset] = |
| 1096 | &symp->symbol; |
| 1097 | } |
| 1098 | |
| 1099 | if (abfd->symcount) |
| 1100 | location[abfd->symcount] = (asymbol *) NULL; |
| 1101 | |
| 1102 | return abfd->symcount; |
| 1103 | } |
| 1104 | |
| 1105 | static asection * |
| 1106 | get_section_entry (bfd *abfd, ieee_data_type *ieee, unsigned int sindex) |
| 1107 | { |
| 1108 | if (sindex >= ieee->section_table_size) |
| 1109 | { |
| 1110 | unsigned int c, i; |
| 1111 | asection **n; |
| 1112 | bfd_size_type amt; |
| 1113 | |
| 1114 | c = ieee->section_table_size; |
| 1115 | if (c == 0) |
| 1116 | c = 20; |
| 1117 | while (c <= sindex) |
| 1118 | c *= 2; |
| 1119 | |
| 1120 | amt = c; |
| 1121 | amt *= sizeof (asection *); |
| 1122 | n = bfd_realloc (ieee->section_table, amt); |
| 1123 | if (n == NULL) |
| 1124 | return NULL; |
| 1125 | |
| 1126 | for (i = ieee->section_table_size; i < c; i++) |
| 1127 | n[i] = NULL; |
| 1128 | |
| 1129 | ieee->section_table = n; |
| 1130 | ieee->section_table_size = c; |
| 1131 | } |
| 1132 | |
| 1133 | if (ieee->section_table[sindex] == (asection *) NULL) |
| 1134 | { |
| 1135 | char *tmp = bfd_alloc (abfd, (bfd_size_type) 11); |
| 1136 | asection *section; |
| 1137 | |
| 1138 | if (!tmp) |
| 1139 | return NULL; |
| 1140 | sprintf (tmp, " fsec%4d", sindex); |
| 1141 | section = bfd_make_section (abfd, tmp); |
| 1142 | ieee->section_table[sindex] = section; |
| 1143 | section->target_index = sindex; |
| 1144 | ieee->section_table[sindex] = section; |
| 1145 | } |
| 1146 | return ieee->section_table[sindex]; |
| 1147 | } |
| 1148 | |
| 1149 | static bfd_boolean |
| 1150 | ieee_slurp_sections (bfd *abfd) |
| 1151 | { |
| 1152 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 1153 | file_ptr offset = ieee->w.r.section_part; |
| 1154 | char *name; |
| 1155 | |
| 1156 | if (offset != 0) |
| 1157 | { |
| 1158 | bfd_byte section_type[3]; |
| 1159 | |
| 1160 | if (! ieee_seek (ieee, offset)) |
| 1161 | return FALSE; |
| 1162 | |
| 1163 | while (TRUE) |
| 1164 | { |
| 1165 | switch (this_byte (&(ieee->h))) |
| 1166 | { |
| 1167 | case ieee_section_type_enum: |
| 1168 | { |
| 1169 | asection *section; |
| 1170 | unsigned int section_index; |
| 1171 | |
| 1172 | if (! next_byte (&(ieee->h))) |
| 1173 | return FALSE; |
| 1174 | section_index = must_parse_int (&(ieee->h)); |
| 1175 | |
| 1176 | section = get_section_entry (abfd, ieee, section_index); |
| 1177 | |
| 1178 | section_type[0] = this_byte_and_next (&(ieee->h)); |
| 1179 | |
| 1180 | /* Set minimal section attributes. Attributes are |
| 1181 | extended later, based on section contents. */ |
| 1182 | switch (section_type[0]) |
| 1183 | { |
| 1184 | case 0xC1: |
| 1185 | /* Normal attributes for absolute sections. */ |
| 1186 | section_type[1] = this_byte (&(ieee->h)); |
| 1187 | section->flags = SEC_ALLOC; |
| 1188 | switch (section_type[1]) |
| 1189 | { |
| 1190 | /* AS Absolute section attributes. */ |
| 1191 | case 0xD3: |
| 1192 | if (! next_byte (&(ieee->h))) |
| 1193 | return FALSE; |
| 1194 | section_type[2] = this_byte (&(ieee->h)); |
| 1195 | switch (section_type[2]) |
| 1196 | { |
| 1197 | case 0xD0: |
| 1198 | /* Normal code. */ |
| 1199 | if (! next_byte (&(ieee->h))) |
| 1200 | return FALSE; |
| 1201 | section->flags |= SEC_CODE; |
| 1202 | break; |
| 1203 | case 0xC4: |
| 1204 | /* Normal data. */ |
| 1205 | if (! next_byte (&(ieee->h))) |
| 1206 | return FALSE; |
| 1207 | section->flags |= SEC_DATA; |
| 1208 | break; |
| 1209 | case 0xD2: |
| 1210 | if (! next_byte (&(ieee->h))) |
| 1211 | return FALSE; |
| 1212 | /* Normal rom data. */ |
| 1213 | section->flags |= SEC_ROM | SEC_DATA; |
| 1214 | break; |
| 1215 | default: |
| 1216 | break; |
| 1217 | } |
| 1218 | } |
| 1219 | break; |
| 1220 | |
| 1221 | /* Named relocatable sections (type C). */ |
| 1222 | case 0xC3: |
| 1223 | section_type[1] = this_byte (&(ieee->h)); |
| 1224 | section->flags = SEC_ALLOC; |
| 1225 | switch (section_type[1]) |
| 1226 | { |
| 1227 | case 0xD0: /* Normal code (CP). */ |
| 1228 | if (! next_byte (&(ieee->h))) |
| 1229 | return FALSE; |
| 1230 | section->flags |= SEC_CODE; |
| 1231 | break; |
| 1232 | case 0xC4: /* Normal data (CD). */ |
| 1233 | if (! next_byte (&(ieee->h))) |
| 1234 | return FALSE; |
| 1235 | section->flags |= SEC_DATA; |
| 1236 | break; |
| 1237 | case 0xD2: /* Normal rom data (CR). */ |
| 1238 | if (! next_byte (&(ieee->h))) |
| 1239 | return FALSE; |
| 1240 | section->flags |= SEC_ROM | SEC_DATA; |
| 1241 | break; |
| 1242 | default: |
| 1243 | break; |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | /* Read section name, use it if non empty. */ |
| 1248 | name = read_id (&ieee->h); |
| 1249 | if (name == NULL) |
| 1250 | return FALSE; |
| 1251 | if (name[0]) |
| 1252 | section->name = name; |
| 1253 | |
| 1254 | /* Skip these fields, which we don't care about. */ |
| 1255 | { |
| 1256 | bfd_vma parent, brother, context; |
| 1257 | |
| 1258 | parse_int (&(ieee->h), &parent); |
| 1259 | parse_int (&(ieee->h), &brother); |
| 1260 | parse_int (&(ieee->h), &context); |
| 1261 | } |
| 1262 | } |
| 1263 | break; |
| 1264 | case ieee_section_alignment_enum: |
| 1265 | { |
| 1266 | unsigned int section_index; |
| 1267 | bfd_vma value; |
| 1268 | asection *section; |
| 1269 | |
| 1270 | if (! next_byte (&(ieee->h))) |
| 1271 | return FALSE; |
| 1272 | section_index = must_parse_int (&ieee->h); |
| 1273 | section = get_section_entry (abfd, ieee, section_index); |
| 1274 | if (section_index > ieee->section_count) |
| 1275 | ieee->section_count = section_index; |
| 1276 | |
| 1277 | section->alignment_power = |
| 1278 | bfd_log2 (must_parse_int (&ieee->h)); |
| 1279 | (void) parse_int (&(ieee->h), &value); |
| 1280 | } |
| 1281 | break; |
| 1282 | case ieee_e2_first_byte_enum: |
| 1283 | { |
| 1284 | asection *section; |
| 1285 | ieee_record_enum_type t; |
| 1286 | |
| 1287 | t = (ieee_record_enum_type) (read_2bytes (&(ieee->h))); |
| 1288 | switch (t) |
| 1289 | { |
| 1290 | case ieee_section_size_enum: |
| 1291 | section = ieee->section_table[must_parse_int (&(ieee->h))]; |
| 1292 | section->size = must_parse_int (&(ieee->h)); |
| 1293 | break; |
| 1294 | case ieee_physical_region_size_enum: |
| 1295 | section = ieee->section_table[must_parse_int (&(ieee->h))]; |
| 1296 | section->size = must_parse_int (&(ieee->h)); |
| 1297 | break; |
| 1298 | case ieee_region_base_address_enum: |
| 1299 | section = ieee->section_table[must_parse_int (&(ieee->h))]; |
| 1300 | section->vma = must_parse_int (&(ieee->h)); |
| 1301 | section->lma = section->vma; |
| 1302 | break; |
| 1303 | case ieee_mau_size_enum: |
| 1304 | must_parse_int (&(ieee->h)); |
| 1305 | must_parse_int (&(ieee->h)); |
| 1306 | break; |
| 1307 | case ieee_m_value_enum: |
| 1308 | must_parse_int (&(ieee->h)); |
| 1309 | must_parse_int (&(ieee->h)); |
| 1310 | break; |
| 1311 | case ieee_section_base_address_enum: |
| 1312 | section = ieee->section_table[must_parse_int (&(ieee->h))]; |
| 1313 | section->vma = must_parse_int (&(ieee->h)); |
| 1314 | section->lma = section->vma; |
| 1315 | break; |
| 1316 | case ieee_section_offset_enum: |
| 1317 | (void) must_parse_int (&(ieee->h)); |
| 1318 | (void) must_parse_int (&(ieee->h)); |
| 1319 | break; |
| 1320 | default: |
| 1321 | return TRUE; |
| 1322 | } |
| 1323 | } |
| 1324 | break; |
| 1325 | default: |
| 1326 | return TRUE; |
| 1327 | } |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | return TRUE; |
| 1332 | } |
| 1333 | |
| 1334 | /* Make a section for the debugging information, if any. We don't try |
| 1335 | to interpret the debugging information; we just point the section |
| 1336 | at the area in the file so that program which understand can dig it |
| 1337 | out. */ |
| 1338 | |
| 1339 | static bfd_boolean |
| 1340 | ieee_slurp_debug (bfd *abfd) |
| 1341 | { |
| 1342 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 1343 | asection *sec; |
| 1344 | file_ptr debug_end; |
| 1345 | flagword flags; |
| 1346 | |
| 1347 | if (ieee->w.r.debug_information_part == 0) |
| 1348 | return TRUE; |
| 1349 | |
| 1350 | flags = SEC_DEBUGGING | SEC_HAS_CONTENTS; |
| 1351 | sec = bfd_make_section_with_flags (abfd, ".debug", flags); |
| 1352 | if (sec == NULL) |
| 1353 | return FALSE; |
| 1354 | sec->filepos = ieee->w.r.debug_information_part; |
| 1355 | |
| 1356 | debug_end = ieee_part_after (ieee, ieee->w.r.debug_information_part); |
| 1357 | sec->size = debug_end - ieee->w.r.debug_information_part; |
| 1358 | |
| 1359 | return TRUE; |
| 1360 | } |
| 1361 | \f |
| 1362 | /* Archive stuff. */ |
| 1363 | |
| 1364 | static const bfd_target * |
| 1365 | ieee_archive_p (bfd *abfd) |
| 1366 | { |
| 1367 | char *library; |
| 1368 | unsigned int i; |
| 1369 | static unsigned char buffer[512]; |
| 1370 | file_ptr buffer_offset = 0; |
| 1371 | ieee_ar_data_type *save = abfd->tdata.ieee_ar_data; |
| 1372 | ieee_ar_data_type *ieee; |
| 1373 | bfd_size_type alc_elts; |
| 1374 | ieee_ar_obstack_type *elts = NULL; |
| 1375 | bfd_size_type amt = sizeof (ieee_ar_data_type); |
| 1376 | |
| 1377 | abfd->tdata.ieee_ar_data = bfd_alloc (abfd, amt); |
| 1378 | if (!abfd->tdata.ieee_ar_data) |
| 1379 | goto error_ret_restore; |
| 1380 | ieee = IEEE_AR_DATA (abfd); |
| 1381 | |
| 1382 | /* Ignore the return value here. It doesn't matter if we don't read |
| 1383 | the entire buffer. We might have a very small ieee file. */ |
| 1384 | if (bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd) <= 0) |
| 1385 | goto got_wrong_format_error; |
| 1386 | |
| 1387 | ieee->h.first_byte = buffer; |
| 1388 | ieee->h.input_p = buffer; |
| 1389 | ieee->h.total_amt = sizeof (buffer); |
| 1390 | ieee->h.end_p = buffer + sizeof (buffer); |
| 1391 | |
| 1392 | ieee->h.abfd = abfd; |
| 1393 | |
| 1394 | if (this_byte (&(ieee->h)) != Module_Beginning) |
| 1395 | goto got_wrong_format_error; |
| 1396 | |
| 1397 | (void) next_byte (&(ieee->h)); |
| 1398 | |
| 1399 | library = read_id (&(ieee->h)); |
| 1400 | if (library == NULL) |
| 1401 | goto got_wrong_format_error; |
| 1402 | if (strcmp (library, "LIBRARY") != 0) |
| 1403 | goto got_wrong_format_error; |
| 1404 | |
| 1405 | /* Throw away the filename. */ |
| 1406 | read_id (&(ieee->h)); |
| 1407 | |
| 1408 | ieee->element_count = 0; |
| 1409 | ieee->element_index = 0; |
| 1410 | |
| 1411 | (void) next_byte (&(ieee->h)); /* Drop the ad part. */ |
| 1412 | must_parse_int (&(ieee->h)); /* And the two dummy numbers. */ |
| 1413 | must_parse_int (&(ieee->h)); |
| 1414 | |
| 1415 | alc_elts = 10; |
| 1416 | elts = bfd_malloc (alc_elts * sizeof *elts); |
| 1417 | if (elts == NULL) |
| 1418 | goto error_return; |
| 1419 | |
| 1420 | /* Read the index of the BB table. */ |
| 1421 | while (1) |
| 1422 | { |
| 1423 | int rec; |
| 1424 | ieee_ar_obstack_type *t; |
| 1425 | |
| 1426 | rec = read_2bytes (&(ieee->h)); |
| 1427 | if (rec != (int) ieee_assign_value_to_variable_enum) |
| 1428 | break; |
| 1429 | |
| 1430 | if (ieee->element_count >= alc_elts) |
| 1431 | { |
| 1432 | ieee_ar_obstack_type *n; |
| 1433 | |
| 1434 | alc_elts *= 2; |
| 1435 | n = bfd_realloc (elts, alc_elts * sizeof (* elts)); |
| 1436 | if (n == NULL) |
| 1437 | goto error_return; |
| 1438 | elts = n; |
| 1439 | } |
| 1440 | |
| 1441 | t = &elts[ieee->element_count]; |
| 1442 | ieee->element_count++; |
| 1443 | |
| 1444 | must_parse_int (&(ieee->h)); |
| 1445 | t->file_offset = must_parse_int (&(ieee->h)); |
| 1446 | t->abfd = (bfd *) NULL; |
| 1447 | |
| 1448 | /* Make sure that we don't go over the end of the buffer. */ |
| 1449 | if ((size_t) ieee_pos (IEEE_DATA (abfd)) > sizeof (buffer) / 2) |
| 1450 | { |
| 1451 | /* Past half way, reseek and reprime. */ |
| 1452 | buffer_offset += ieee_pos (IEEE_DATA (abfd)); |
| 1453 | if (bfd_seek (abfd, buffer_offset, SEEK_SET) != 0) |
| 1454 | goto error_return; |
| 1455 | |
| 1456 | /* Again ignore return value of bfd_bread. */ |
| 1457 | bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd); |
| 1458 | ieee->h.first_byte = buffer; |
| 1459 | ieee->h.input_p = buffer; |
| 1460 | ieee->h.total_amt = sizeof (buffer); |
| 1461 | ieee->h.end_p = buffer + sizeof (buffer); |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | amt = ieee->element_count; |
| 1466 | amt *= sizeof *ieee->elements; |
| 1467 | ieee->elements = bfd_alloc (abfd, amt); |
| 1468 | if (ieee->elements == NULL) |
| 1469 | goto error_return; |
| 1470 | |
| 1471 | memcpy (ieee->elements, elts, (size_t) amt); |
| 1472 | free (elts); |
| 1473 | elts = NULL; |
| 1474 | |
| 1475 | /* Now scan the area again, and replace BB offsets with file offsets. */ |
| 1476 | for (i = 2; i < ieee->element_count; i++) |
| 1477 | { |
| 1478 | if (bfd_seek (abfd, ieee->elements[i].file_offset, SEEK_SET) != 0) |
| 1479 | goto error_return; |
| 1480 | |
| 1481 | /* Again ignore return value of bfd_bread. */ |
| 1482 | bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd); |
| 1483 | ieee->h.first_byte = buffer; |
| 1484 | ieee->h.input_p = buffer; |
| 1485 | ieee->h.total_amt = sizeof (buffer); |
| 1486 | ieee->h.end_p = buffer + sizeof (buffer); |
| 1487 | |
| 1488 | (void) next_byte (&(ieee->h)); /* Drop F8. */ |
| 1489 | if (! next_byte (&(ieee->h))) /* Drop 14. */ |
| 1490 | goto error_return; |
| 1491 | must_parse_int (&(ieee->h)); /* Drop size of block. */ |
| 1492 | |
| 1493 | if (must_parse_int (&(ieee->h)) != 0) |
| 1494 | /* This object has been deleted. */ |
| 1495 | ieee->elements[i].file_offset = 0; |
| 1496 | else |
| 1497 | ieee->elements[i].file_offset = must_parse_int (&(ieee->h)); |
| 1498 | } |
| 1499 | |
| 1500 | /* abfd->has_armap = ;*/ |
| 1501 | |
| 1502 | return abfd->xvec; |
| 1503 | |
| 1504 | got_wrong_format_error: |
| 1505 | bfd_set_error (bfd_error_wrong_format); |
| 1506 | error_return: |
| 1507 | if (elts != NULL) |
| 1508 | free (elts); |
| 1509 | bfd_release (abfd, ieee); |
| 1510 | error_ret_restore: |
| 1511 | abfd->tdata.ieee_ar_data = save; |
| 1512 | |
| 1513 | return NULL; |
| 1514 | } |
| 1515 | |
| 1516 | static bfd_boolean |
| 1517 | ieee_mkobject (bfd *abfd) |
| 1518 | { |
| 1519 | bfd_size_type amt; |
| 1520 | |
| 1521 | output_ptr_start = NULL; |
| 1522 | output_ptr = NULL; |
| 1523 | output_ptr_end = NULL; |
| 1524 | input_ptr_start = NULL; |
| 1525 | input_ptr = NULL; |
| 1526 | input_ptr_end = NULL; |
| 1527 | input_bfd = NULL; |
| 1528 | output_bfd = NULL; |
| 1529 | output_buffer = 0; |
| 1530 | amt = sizeof (ieee_data_type); |
| 1531 | abfd->tdata.ieee_data = bfd_zalloc (abfd, amt); |
| 1532 | return abfd->tdata.ieee_data != NULL; |
| 1533 | } |
| 1534 | |
| 1535 | static bfd_boolean |
| 1536 | do_one (ieee_data_type *ieee, |
| 1537 | ieee_per_section_type *current_map, |
| 1538 | unsigned char *location_ptr, |
| 1539 | asection *s, |
| 1540 | int iterations) |
| 1541 | { |
| 1542 | switch (this_byte (&(ieee->h))) |
| 1543 | { |
| 1544 | case ieee_load_constant_bytes_enum: |
| 1545 | { |
| 1546 | unsigned int number_of_maus; |
| 1547 | unsigned int i; |
| 1548 | |
| 1549 | if (! next_byte (&(ieee->h))) |
| 1550 | return FALSE; |
| 1551 | number_of_maus = must_parse_int (&(ieee->h)); |
| 1552 | |
| 1553 | for (i = 0; i < number_of_maus; i++) |
| 1554 | { |
| 1555 | location_ptr[current_map->pc++] = this_byte (&(ieee->h)); |
| 1556 | next_byte (&(ieee->h)); |
| 1557 | } |
| 1558 | } |
| 1559 | break; |
| 1560 | |
| 1561 | case ieee_load_with_relocation_enum: |
| 1562 | { |
| 1563 | bfd_boolean loop = TRUE; |
| 1564 | |
| 1565 | if (! next_byte (&(ieee->h))) |
| 1566 | return FALSE; |
| 1567 | while (loop) |
| 1568 | { |
| 1569 | switch (this_byte (&(ieee->h))) |
| 1570 | { |
| 1571 | case ieee_variable_R_enum: |
| 1572 | |
| 1573 | case ieee_function_signed_open_b_enum: |
| 1574 | case ieee_function_unsigned_open_b_enum: |
| 1575 | case ieee_function_either_open_b_enum: |
| 1576 | { |
| 1577 | unsigned int extra = 4; |
| 1578 | bfd_boolean pcrel = FALSE; |
| 1579 | asection *section; |
| 1580 | ieee_reloc_type *r; |
| 1581 | |
| 1582 | r = bfd_alloc (ieee->h.abfd, sizeof (* r)); |
| 1583 | if (!r) |
| 1584 | return FALSE; |
| 1585 | |
| 1586 | *(current_map->reloc_tail_ptr) = r; |
| 1587 | current_map->reloc_tail_ptr = &r->next; |
| 1588 | r->next = (ieee_reloc_type *) NULL; |
| 1589 | if (! next_byte (&(ieee->h))) |
| 1590 | return FALSE; |
| 1591 | |
| 1592 | r->relent.sym_ptr_ptr = 0; |
| 1593 | if (! parse_expression (ieee, |
| 1594 | &r->relent.addend, |
| 1595 | &r->symbol, |
| 1596 | &pcrel, &extra, §ion)) |
| 1597 | return FALSE; |
| 1598 | |
| 1599 | r->relent.address = current_map->pc; |
| 1600 | s->flags |= SEC_RELOC; |
| 1601 | s->owner->flags |= HAS_RELOC; |
| 1602 | s->reloc_count++; |
| 1603 | if (r->relent.sym_ptr_ptr == NULL && section != NULL) |
| 1604 | r->relent.sym_ptr_ptr = section->symbol_ptr_ptr; |
| 1605 | |
| 1606 | if (this_byte (&(ieee->h)) == (int) ieee_comma) |
| 1607 | { |
| 1608 | if (! next_byte (&(ieee->h))) |
| 1609 | return FALSE; |
| 1610 | /* Fetch number of bytes to pad. */ |
| 1611 | extra = must_parse_int (&(ieee->h)); |
| 1612 | }; |
| 1613 | |
| 1614 | switch (this_byte (&(ieee->h))) |
| 1615 | { |
| 1616 | case ieee_function_signed_close_b_enum: |
| 1617 | if (! next_byte (&(ieee->h))) |
| 1618 | return FALSE; |
| 1619 | break; |
| 1620 | case ieee_function_unsigned_close_b_enum: |
| 1621 | if (! next_byte (&(ieee->h))) |
| 1622 | return FALSE; |
| 1623 | break; |
| 1624 | case ieee_function_either_close_b_enum: |
| 1625 | if (! next_byte (&(ieee->h))) |
| 1626 | return FALSE; |
| 1627 | break; |
| 1628 | default: |
| 1629 | break; |
| 1630 | } |
| 1631 | /* Build a relocation entry for this type. */ |
| 1632 | /* If pc rel then stick -ve pc into instruction |
| 1633 | and take out of reloc .. |
| 1634 | |
| 1635 | I've changed this. It's all too complicated. I |
| 1636 | keep 0 in the instruction now. */ |
| 1637 | |
| 1638 | switch (extra) |
| 1639 | { |
| 1640 | case 0: |
| 1641 | case 4: |
| 1642 | |
| 1643 | if (pcrel) |
| 1644 | { |
| 1645 | #if KEEPMINUSPCININST |
| 1646 | bfd_put_32 (ieee->h.abfd, -current_map->pc, |
| 1647 | location_ptr + current_map->pc); |
| 1648 | r->relent.howto = &rel32_howto; |
| 1649 | r->relent.addend -= current_map->pc; |
| 1650 | #else |
| 1651 | bfd_put_32 (ieee->h.abfd, (bfd_vma) 0, location_ptr + |
| 1652 | current_map->pc); |
| 1653 | r->relent.howto = &rel32_howto; |
| 1654 | #endif |
| 1655 | } |
| 1656 | else |
| 1657 | { |
| 1658 | bfd_put_32 (ieee->h.abfd, (bfd_vma) 0, |
| 1659 | location_ptr + current_map->pc); |
| 1660 | r->relent.howto = &abs32_howto; |
| 1661 | } |
| 1662 | current_map->pc += 4; |
| 1663 | break; |
| 1664 | case 2: |
| 1665 | if (pcrel) |
| 1666 | { |
| 1667 | #if KEEPMINUSPCININST |
| 1668 | bfd_put_16 (ieee->h.abfd, (bfd_vma) -current_map->pc, |
| 1669 | location_ptr + current_map->pc); |
| 1670 | r->relent.addend -= current_map->pc; |
| 1671 | r->relent.howto = &rel16_howto; |
| 1672 | #else |
| 1673 | |
| 1674 | bfd_put_16 (ieee->h.abfd, (bfd_vma) 0, |
| 1675 | location_ptr + current_map->pc); |
| 1676 | r->relent.howto = &rel16_howto; |
| 1677 | #endif |
| 1678 | } |
| 1679 | |
| 1680 | else |
| 1681 | { |
| 1682 | bfd_put_16 (ieee->h.abfd, (bfd_vma) 0, |
| 1683 | location_ptr + current_map->pc); |
| 1684 | r->relent.howto = &abs16_howto; |
| 1685 | } |
| 1686 | current_map->pc += 2; |
| 1687 | break; |
| 1688 | case 1: |
| 1689 | if (pcrel) |
| 1690 | { |
| 1691 | #if KEEPMINUSPCININST |
| 1692 | bfd_put_8 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc); |
| 1693 | r->relent.addend -= current_map->pc; |
| 1694 | r->relent.howto = &rel8_howto; |
| 1695 | #else |
| 1696 | bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc); |
| 1697 | r->relent.howto = &rel8_howto; |
| 1698 | #endif |
| 1699 | } |
| 1700 | else |
| 1701 | { |
| 1702 | bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc); |
| 1703 | r->relent.howto = &abs8_howto; |
| 1704 | } |
| 1705 | current_map->pc += 1; |
| 1706 | break; |
| 1707 | |
| 1708 | default: |
| 1709 | BFD_FAIL (); |
| 1710 | return FALSE; |
| 1711 | } |
| 1712 | } |
| 1713 | break; |
| 1714 | default: |
| 1715 | { |
| 1716 | bfd_vma this_size; |
| 1717 | |
| 1718 | if (parse_int (&(ieee->h), &this_size)) |
| 1719 | { |
| 1720 | unsigned int i; |
| 1721 | |
| 1722 | for (i = 0; i < this_size; i++) |
| 1723 | { |
| 1724 | location_ptr[current_map->pc++] = this_byte (&(ieee->h)); |
| 1725 | if (! next_byte (&(ieee->h))) |
| 1726 | return FALSE; |
| 1727 | } |
| 1728 | } |
| 1729 | else |
| 1730 | loop = FALSE; |
| 1731 | } |
| 1732 | } |
| 1733 | |
| 1734 | /* Prevent more than the first load-item of an LR record |
| 1735 | from being repeated (MRI convention). */ |
| 1736 | if (iterations != 1) |
| 1737 | loop = FALSE; |
| 1738 | } |
| 1739 | } |
| 1740 | } |
| 1741 | return TRUE; |
| 1742 | } |
| 1743 | |
| 1744 | /* Read in all the section data and relocation stuff too. */ |
| 1745 | |
| 1746 | static bfd_boolean |
| 1747 | ieee_slurp_section_data (bfd *abfd) |
| 1748 | { |
| 1749 | bfd_byte *location_ptr = (bfd_byte *) NULL; |
| 1750 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 1751 | unsigned int section_number; |
| 1752 | ieee_per_section_type *current_map = NULL; |
| 1753 | asection *s; |
| 1754 | |
| 1755 | /* Seek to the start of the data area. */ |
| 1756 | if (ieee->read_data) |
| 1757 | return TRUE; |
| 1758 | ieee->read_data = TRUE; |
| 1759 | |
| 1760 | if (! ieee_seek (ieee, ieee->w.r.data_part)) |
| 1761 | return FALSE; |
| 1762 | |
| 1763 | /* Allocate enough space for all the section contents. */ |
| 1764 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
| 1765 | { |
| 1766 | ieee_per_section_type *per = ieee_per_section (s); |
| 1767 | arelent **relpp; |
| 1768 | |
| 1769 | if ((s->flags & SEC_DEBUGGING) != 0) |
| 1770 | continue; |
| 1771 | per->data = bfd_alloc (ieee->h.abfd, s->size); |
| 1772 | if (!per->data) |
| 1773 | return FALSE; |
| 1774 | relpp = &s->relocation; |
| 1775 | per->reloc_tail_ptr = (ieee_reloc_type **) relpp; |
| 1776 | } |
| 1777 | |
| 1778 | while (TRUE) |
| 1779 | { |
| 1780 | switch (this_byte (&(ieee->h))) |
| 1781 | { |
| 1782 | /* IF we see anything strange then quit. */ |
| 1783 | default: |
| 1784 | return TRUE; |
| 1785 | |
| 1786 | case ieee_set_current_section_enum: |
| 1787 | if (! next_byte (&(ieee->h))) |
| 1788 | return FALSE; |
| 1789 | section_number = must_parse_int (&(ieee->h)); |
| 1790 | s = ieee->section_table[section_number]; |
| 1791 | s->flags |= SEC_LOAD | SEC_HAS_CONTENTS; |
| 1792 | current_map = ieee_per_section (s); |
| 1793 | location_ptr = current_map->data - s->vma; |
| 1794 | /* The document I have says that Microtec's compilers reset |
| 1795 | this after a sec section, even though the standard says not |
| 1796 | to, SO... */ |
| 1797 | current_map->pc = s->vma; |
| 1798 | break; |
| 1799 | |
| 1800 | case ieee_e2_first_byte_enum: |
| 1801 | if (! next_byte (&(ieee->h))) |
| 1802 | return FALSE; |
| 1803 | switch (this_byte (&(ieee->h))) |
| 1804 | { |
| 1805 | case ieee_set_current_pc_enum & 0xff: |
| 1806 | { |
| 1807 | bfd_vma value; |
| 1808 | ieee_symbol_index_type symbol; |
| 1809 | unsigned int extra; |
| 1810 | bfd_boolean pcrel; |
| 1811 | |
| 1812 | if (! next_byte (&(ieee->h))) |
| 1813 | return FALSE; |
| 1814 | must_parse_int (&(ieee->h)); /* Throw away section #. */ |
| 1815 | if (! parse_expression (ieee, &value, |
| 1816 | &symbol, |
| 1817 | &pcrel, &extra, |
| 1818 | 0)) |
| 1819 | return FALSE; |
| 1820 | |
| 1821 | current_map->pc = value; |
| 1822 | BFD_ASSERT ((unsigned) (value - s->vma) <= s->size); |
| 1823 | } |
| 1824 | break; |
| 1825 | |
| 1826 | case ieee_value_starting_address_enum & 0xff: |
| 1827 | if (! next_byte (&(ieee->h))) |
| 1828 | return FALSE; |
| 1829 | if (this_byte (&(ieee->h)) == ieee_function_either_open_b_enum) |
| 1830 | { |
| 1831 | if (! next_byte (&(ieee->h))) |
| 1832 | return FALSE; |
| 1833 | } |
| 1834 | abfd->start_address = must_parse_int (&(ieee->h)); |
| 1835 | /* We've got to the end of the data now - */ |
| 1836 | return TRUE; |
| 1837 | default: |
| 1838 | BFD_FAIL (); |
| 1839 | return FALSE; |
| 1840 | } |
| 1841 | break; |
| 1842 | case ieee_repeat_data_enum: |
| 1843 | { |
| 1844 | /* Repeat the following LD or LR n times - we do this by |
| 1845 | remembering the stream pointer before running it and |
| 1846 | resetting it and running it n times. We special case |
| 1847 | the repetition of a repeat_data/load_constant. */ |
| 1848 | unsigned int iterations; |
| 1849 | unsigned char *start; |
| 1850 | |
| 1851 | if (! next_byte (&(ieee->h))) |
| 1852 | return FALSE; |
| 1853 | iterations = must_parse_int (&(ieee->h)); |
| 1854 | start = ieee->h.input_p; |
| 1855 | if (start[0] == (int) ieee_load_constant_bytes_enum |
| 1856 | && start[1] == 1) |
| 1857 | { |
| 1858 | while (iterations != 0) |
| 1859 | { |
| 1860 | location_ptr[current_map->pc++] = start[2]; |
| 1861 | iterations--; |
| 1862 | } |
| 1863 | (void) next_byte (&(ieee->h)); |
| 1864 | (void) next_byte (&(ieee->h)); |
| 1865 | if (! next_byte (&(ieee->h))) |
| 1866 | return FALSE; |
| 1867 | } |
| 1868 | else |
| 1869 | { |
| 1870 | while (iterations != 0) |
| 1871 | { |
| 1872 | ieee->h.input_p = start; |
| 1873 | if (!do_one (ieee, current_map, location_ptr, s, |
| 1874 | (int) iterations)) |
| 1875 | return FALSE; |
| 1876 | iterations--; |
| 1877 | } |
| 1878 | } |
| 1879 | } |
| 1880 | break; |
| 1881 | case ieee_load_constant_bytes_enum: |
| 1882 | case ieee_load_with_relocation_enum: |
| 1883 | if (!do_one (ieee, current_map, location_ptr, s, 1)) |
| 1884 | return FALSE; |
| 1885 | } |
| 1886 | } |
| 1887 | } |
| 1888 | |
| 1889 | static const bfd_target * |
| 1890 | ieee_object_p (bfd *abfd) |
| 1891 | { |
| 1892 | char *processor; |
| 1893 | unsigned int part; |
| 1894 | ieee_data_type *ieee; |
| 1895 | static unsigned char buffer[300]; |
| 1896 | ieee_data_type *save = IEEE_DATA (abfd); |
| 1897 | bfd_size_type amt; |
| 1898 | |
| 1899 | abfd->tdata.ieee_data = 0; |
| 1900 | ieee_mkobject (abfd); |
| 1901 | |
| 1902 | ieee = IEEE_DATA (abfd); |
| 1903 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
| 1904 | goto fail; |
| 1905 | /* Read the first few bytes in to see if it makes sense. Ignore |
| 1906 | bfd_bread return value; The file might be very small. */ |
| 1907 | if (bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd) <= 0) |
| 1908 | goto got_wrong_format; |
| 1909 | |
| 1910 | ieee->h.input_p = buffer; |
| 1911 | ieee->h.total_amt = sizeof (buffer); |
| 1912 | ieee->h.end_p = buffer + sizeof (buffer); |
| 1913 | |
| 1914 | if (this_byte_and_next (&(ieee->h)) != Module_Beginning) |
| 1915 | goto got_wrong_format; |
| 1916 | |
| 1917 | ieee->read_symbols = FALSE; |
| 1918 | ieee->read_data = FALSE; |
| 1919 | ieee->section_count = 0; |
| 1920 | ieee->external_symbol_max_index = 0; |
| 1921 | ieee->external_symbol_min_index = IEEE_PUBLIC_BASE; |
| 1922 | ieee->external_reference_min_index = IEEE_REFERENCE_BASE; |
| 1923 | ieee->external_reference_max_index = 0; |
| 1924 | ieee->h.abfd = abfd; |
| 1925 | ieee->section_table = NULL; |
| 1926 | ieee->section_table_size = 0; |
| 1927 | |
| 1928 | processor = ieee->mb.processor = read_id (&(ieee->h)); |
| 1929 | if (processor == NULL) |
| 1930 | goto got_wrong_format; |
| 1931 | if (strcmp (processor, "LIBRARY") == 0) |
| 1932 | goto got_wrong_format; |
| 1933 | ieee->mb.module_name = read_id (&(ieee->h)); |
| 1934 | if (ieee->mb.module_name == NULL) |
| 1935 | goto got_wrong_format; |
| 1936 | if (abfd->filename == (const char *) NULL) |
| 1937 | abfd->filename = xstrdup (ieee->mb.module_name); |
| 1938 | |
| 1939 | /* Determine the architecture and machine type of the object file. */ |
| 1940 | { |
| 1941 | const bfd_arch_info_type *arch; |
| 1942 | char family[10]; |
| 1943 | |
| 1944 | /* IEEE does not specify the format of the processor identification |
| 1945 | string, so the compiler is free to put in it whatever it wants. |
| 1946 | We try here to recognize different processors belonging to the |
| 1947 | m68k family. Code for other processors can be added here. */ |
| 1948 | if ((processor[0] == '6') && (processor[1] == '8')) |
| 1949 | { |
| 1950 | if (processor[2] == '3') /* 683xx integrated processors. */ |
| 1951 | { |
| 1952 | switch (processor[3]) |
| 1953 | { |
| 1954 | case '0': /* 68302, 68306, 68307 */ |
| 1955 | case '2': /* 68322, 68328 */ |
| 1956 | case '5': /* 68356 */ |
| 1957 | strcpy (family, "68000"); /* MC68000-based controllers. */ |
| 1958 | break; |
| 1959 | |
| 1960 | case '3': /* 68330, 68331, 68332, 68333, |
| 1961 | 68334, 68335, 68336, 68338 */ |
| 1962 | case '6': /* 68360 */ |
| 1963 | case '7': /* 68376 */ |
| 1964 | strcpy (family, "68332"); /* CPU32 and CPU32+ */ |
| 1965 | break; |
| 1966 | |
| 1967 | case '4': |
| 1968 | if (processor[4] == '9') /* 68349 */ |
| 1969 | strcpy (family, "68030"); /* CPU030 */ |
| 1970 | else /* 68340, 68341 */ |
| 1971 | strcpy (family, "68332"); /* CPU32 and CPU32+ */ |
| 1972 | break; |
| 1973 | |
| 1974 | default: /* Does not exist yet. */ |
| 1975 | strcpy (family, "68332"); /* Guess it will be CPU32 */ |
| 1976 | } |
| 1977 | } |
| 1978 | else if (TOUPPER (processor[3]) == 'F') /* 68F333 */ |
| 1979 | strcpy (family, "68332"); /* CPU32 */ |
| 1980 | else if ((TOUPPER (processor[3]) == 'C') /* Embedded controllers. */ |
| 1981 | && ((TOUPPER (processor[2]) == 'E') |
| 1982 | || (TOUPPER (processor[2]) == 'H') |
| 1983 | || (TOUPPER (processor[2]) == 'L'))) |
| 1984 | { |
| 1985 | strcpy (family, "68"); |
| 1986 | strncat (family, processor + 4, 7); |
| 1987 | family[9] = '\0'; |
| 1988 | } |
| 1989 | else /* "Regular" processors. */ |
| 1990 | { |
| 1991 | strncpy (family, processor, 9); |
| 1992 | family[9] = '\0'; |
| 1993 | } |
| 1994 | } |
| 1995 | else if ((CONST_STRNEQ (processor, "cpu32")) /* CPU32 and CPU32+ */ |
| 1996 | || (CONST_STRNEQ (processor, "CPU32"))) |
| 1997 | strcpy (family, "68332"); |
| 1998 | else |
| 1999 | { |
| 2000 | strncpy (family, processor, 9); |
| 2001 | family[9] = '\0'; |
| 2002 | } |
| 2003 | |
| 2004 | arch = bfd_scan_arch (family); |
| 2005 | if (arch == 0) |
| 2006 | goto got_wrong_format; |
| 2007 | abfd->arch_info = arch; |
| 2008 | } |
| 2009 | |
| 2010 | if (this_byte (&(ieee->h)) != (int) ieee_address_descriptor_enum) |
| 2011 | goto fail; |
| 2012 | |
| 2013 | if (! next_byte (&(ieee->h))) |
| 2014 | goto fail; |
| 2015 | |
| 2016 | if (! parse_int (&(ieee->h), &ieee->ad.number_of_bits_mau)) |
| 2017 | goto fail; |
| 2018 | |
| 2019 | if (! parse_int (&(ieee->h), &ieee->ad.number_of_maus_in_address)) |
| 2020 | goto fail; |
| 2021 | |
| 2022 | /* If there is a byte order info, take it. */ |
| 2023 | if (this_byte (&(ieee->h)) == (int) ieee_variable_L_enum |
| 2024 | || this_byte (&(ieee->h)) == (int) ieee_variable_M_enum) |
| 2025 | { |
| 2026 | if (! next_byte (&(ieee->h))) |
| 2027 | goto fail; |
| 2028 | } |
| 2029 | |
| 2030 | for (part = 0; part < N_W_VARIABLES; part++) |
| 2031 | { |
| 2032 | bfd_boolean ok; |
| 2033 | |
| 2034 | if (read_2bytes (&(ieee->h)) != (int) ieee_assign_value_to_variable_enum) |
| 2035 | goto fail; |
| 2036 | |
| 2037 | if (this_byte_and_next (&(ieee->h)) != part) |
| 2038 | goto fail; |
| 2039 | |
| 2040 | ieee->w.offset[part] = parse_i (&(ieee->h), &ok); |
| 2041 | if (! ok) |
| 2042 | goto fail; |
| 2043 | } |
| 2044 | |
| 2045 | if (ieee->w.r.external_part != 0) |
| 2046 | abfd->flags = HAS_SYMS; |
| 2047 | |
| 2048 | /* By now we know that this is a real IEEE file, we're going to read |
| 2049 | the whole thing into memory so that we can run up and down it |
| 2050 | quickly. We can work out how big the file is from the trailer |
| 2051 | record. */ |
| 2052 | |
| 2053 | amt = ieee->w.r.me_record + 1; |
| 2054 | IEEE_DATA (abfd)->h.first_byte = bfd_alloc (ieee->h.abfd, amt); |
| 2055 | if (!IEEE_DATA (abfd)->h.first_byte) |
| 2056 | goto fail; |
| 2057 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
| 2058 | goto fail; |
| 2059 | |
| 2060 | /* FIXME: Check return value. I'm not sure whether it needs to read |
| 2061 | the entire buffer or not. */ |
| 2062 | amt = bfd_bread ((void *) (IEEE_DATA (abfd)->h.first_byte), |
| 2063 | (bfd_size_type) ieee->w.r.me_record + 1, abfd); |
| 2064 | if (amt <= 0) |
| 2065 | goto fail; |
| 2066 | |
| 2067 | IEEE_DATA (abfd)->h.total_amt = amt; |
| 2068 | if (ieee_slurp_sections (abfd)) |
| 2069 | goto fail; |
| 2070 | |
| 2071 | if (! ieee_slurp_debug (abfd)) |
| 2072 | goto fail; |
| 2073 | |
| 2074 | /* Parse section data to activate file and section flags implied by |
| 2075 | section contents. */ |
| 2076 | if (! ieee_slurp_section_data (abfd)) |
| 2077 | goto fail; |
| 2078 | |
| 2079 | return abfd->xvec; |
| 2080 | got_wrong_format: |
| 2081 | bfd_set_error (bfd_error_wrong_format); |
| 2082 | fail: |
| 2083 | bfd_release (abfd, ieee); |
| 2084 | abfd->tdata.ieee_data = save; |
| 2085 | return (const bfd_target *) NULL; |
| 2086 | } |
| 2087 | |
| 2088 | static void |
| 2089 | ieee_get_symbol_info (bfd *ignore_abfd ATTRIBUTE_UNUSED, |
| 2090 | asymbol *symbol, |
| 2091 | symbol_info *ret) |
| 2092 | { |
| 2093 | bfd_symbol_info (symbol, ret); |
| 2094 | if (symbol->name[0] == ' ') |
| 2095 | ret->name = "* empty table entry "; |
| 2096 | if (!symbol->section) |
| 2097 | ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A'; |
| 2098 | } |
| 2099 | |
| 2100 | static void |
| 2101 | ieee_print_symbol (bfd *abfd, |
| 2102 | void * afile, |
| 2103 | asymbol *symbol, |
| 2104 | bfd_print_symbol_type how) |
| 2105 | { |
| 2106 | FILE *file = (FILE *) afile; |
| 2107 | |
| 2108 | switch (how) |
| 2109 | { |
| 2110 | case bfd_print_symbol_name: |
| 2111 | fprintf (file, "%s", symbol->name); |
| 2112 | break; |
| 2113 | case bfd_print_symbol_more: |
| 2114 | BFD_FAIL (); |
| 2115 | break; |
| 2116 | case bfd_print_symbol_all: |
| 2117 | { |
| 2118 | const char *section_name = |
| 2119 | (symbol->section == (asection *) NULL |
| 2120 | ? "*abs" |
| 2121 | : symbol->section->name); |
| 2122 | |
| 2123 | if (symbol->name[0] == ' ') |
| 2124 | fprintf (file, "* empty table entry "); |
| 2125 | else |
| 2126 | { |
| 2127 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
| 2128 | |
| 2129 | fprintf (file, " %-5s %04x %02x %s", |
| 2130 | section_name, |
| 2131 | (unsigned) ieee_symbol (symbol)->index, |
| 2132 | (unsigned) 0, |
| 2133 | symbol->name); |
| 2134 | } |
| 2135 | } |
| 2136 | break; |
| 2137 | } |
| 2138 | } |
| 2139 | |
| 2140 | static bfd_boolean |
| 2141 | ieee_new_section_hook (bfd *abfd, asection *newsect) |
| 2142 | { |
| 2143 | if (!newsect->used_by_bfd) |
| 2144 | { |
| 2145 | newsect->used_by_bfd = bfd_alloc (abfd, sizeof (ieee_per_section_type)); |
| 2146 | if (!newsect->used_by_bfd) |
| 2147 | return FALSE; |
| 2148 | } |
| 2149 | ieee_per_section (newsect)->data = NULL; |
| 2150 | ieee_per_section (newsect)->section = newsect; |
| 2151 | return _bfd_generic_new_section_hook (abfd, newsect); |
| 2152 | } |
| 2153 | |
| 2154 | static long |
| 2155 | ieee_get_reloc_upper_bound (bfd *abfd, sec_ptr asect) |
| 2156 | { |
| 2157 | if ((asect->flags & SEC_DEBUGGING) != 0) |
| 2158 | return 0; |
| 2159 | if (! ieee_slurp_section_data (abfd)) |
| 2160 | return -1; |
| 2161 | return (asect->reloc_count + 1) * sizeof (arelent *); |
| 2162 | } |
| 2163 | |
| 2164 | static bfd_boolean |
| 2165 | ieee_get_section_contents (bfd *abfd, |
| 2166 | sec_ptr section, |
| 2167 | void * location, |
| 2168 | file_ptr offset, |
| 2169 | bfd_size_type count) |
| 2170 | { |
| 2171 | ieee_per_section_type *p = ieee_per_section (section); |
| 2172 | if ((section->flags & SEC_DEBUGGING) != 0) |
| 2173 | return _bfd_generic_get_section_contents (abfd, section, location, |
| 2174 | offset, count); |
| 2175 | ieee_slurp_section_data (abfd); |
| 2176 | (void) memcpy ((void *) location, (void *) (p->data + offset), (unsigned) count); |
| 2177 | return TRUE; |
| 2178 | } |
| 2179 | |
| 2180 | static long |
| 2181 | ieee_canonicalize_reloc (bfd *abfd, |
| 2182 | sec_ptr section, |
| 2183 | arelent **relptr, |
| 2184 | asymbol **symbols) |
| 2185 | { |
| 2186 | ieee_reloc_type *src = (ieee_reloc_type *) (section->relocation); |
| 2187 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 2188 | |
| 2189 | if ((section->flags & SEC_DEBUGGING) != 0) |
| 2190 | return 0; |
| 2191 | |
| 2192 | while (src != (ieee_reloc_type *) NULL) |
| 2193 | { |
| 2194 | /* Work out which symbol to attach it this reloc to. */ |
| 2195 | switch (src->symbol.letter) |
| 2196 | { |
| 2197 | case 'I': |
| 2198 | src->relent.sym_ptr_ptr = |
| 2199 | symbols + src->symbol.index + ieee->external_symbol_base_offset; |
| 2200 | break; |
| 2201 | case 'X': |
| 2202 | src->relent.sym_ptr_ptr = |
| 2203 | symbols + src->symbol.index + ieee->external_reference_base_offset; |
| 2204 | break; |
| 2205 | case 0: |
| 2206 | if (src->relent.sym_ptr_ptr != NULL) |
| 2207 | src->relent.sym_ptr_ptr = |
| 2208 | src->relent.sym_ptr_ptr[0]->section->symbol_ptr_ptr; |
| 2209 | break; |
| 2210 | default: |
| 2211 | |
| 2212 | BFD_FAIL (); |
| 2213 | } |
| 2214 | *relptr++ = &src->relent; |
| 2215 | src = src->next; |
| 2216 | } |
| 2217 | *relptr = NULL; |
| 2218 | return section->reloc_count; |
| 2219 | } |
| 2220 | |
| 2221 | static int |
| 2222 | comp (const void * ap, const void * bp) |
| 2223 | { |
| 2224 | arelent *a = *((arelent **) ap); |
| 2225 | arelent *b = *((arelent **) bp); |
| 2226 | return a->address - b->address; |
| 2227 | } |
| 2228 | |
| 2229 | /* Write the section headers. */ |
| 2230 | |
| 2231 | static bfd_boolean |
| 2232 | ieee_write_section_part (bfd *abfd) |
| 2233 | { |
| 2234 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 2235 | asection *s; |
| 2236 | |
| 2237 | ieee->w.r.section_part = bfd_tell (abfd); |
| 2238 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
| 2239 | { |
| 2240 | if (! bfd_is_abs_section (s) |
| 2241 | && (s->flags & SEC_DEBUGGING) == 0) |
| 2242 | { |
| 2243 | if (! ieee_write_byte (abfd, ieee_section_type_enum) |
| 2244 | || ! ieee_write_byte (abfd, |
| 2245 | (bfd_byte) (s->index |
| 2246 | + IEEE_SECTION_NUMBER_BASE))) |
| 2247 | return FALSE; |
| 2248 | |
| 2249 | if (abfd->flags & EXEC_P) |
| 2250 | { |
| 2251 | /* This image is executable, so output absolute sections. */ |
| 2252 | if (! ieee_write_byte (abfd, ieee_variable_A_enum) |
| 2253 | || ! ieee_write_byte (abfd, ieee_variable_S_enum)) |
| 2254 | return FALSE; |
| 2255 | } |
| 2256 | else |
| 2257 | { |
| 2258 | if (! ieee_write_byte (abfd, ieee_variable_C_enum)) |
| 2259 | return FALSE; |
| 2260 | } |
| 2261 | |
| 2262 | switch (s->flags & (SEC_CODE | SEC_DATA | SEC_ROM)) |
| 2263 | { |
| 2264 | case SEC_CODE | SEC_LOAD: |
| 2265 | case SEC_CODE: |
| 2266 | if (! ieee_write_byte (abfd, ieee_variable_P_enum)) |
| 2267 | return FALSE; |
| 2268 | break; |
| 2269 | case SEC_DATA: |
| 2270 | default: |
| 2271 | if (! ieee_write_byte (abfd, ieee_variable_D_enum)) |
| 2272 | return FALSE; |
| 2273 | break; |
| 2274 | case SEC_ROM: |
| 2275 | case SEC_ROM | SEC_DATA: |
| 2276 | case SEC_ROM | SEC_LOAD: |
| 2277 | case SEC_ROM | SEC_DATA | SEC_LOAD: |
| 2278 | if (! ieee_write_byte (abfd, ieee_variable_R_enum)) |
| 2279 | return FALSE; |
| 2280 | } |
| 2281 | |
| 2282 | |
| 2283 | if (! ieee_write_id (abfd, s->name)) |
| 2284 | return FALSE; |
| 2285 | /* Alignment. */ |
| 2286 | if (! ieee_write_byte (abfd, ieee_section_alignment_enum) |
| 2287 | || ! ieee_write_byte (abfd, |
| 2288 | (bfd_byte) (s->index |
| 2289 | + IEEE_SECTION_NUMBER_BASE)) |
| 2290 | || ! ieee_write_int (abfd, (bfd_vma) 1 << s->alignment_power)) |
| 2291 | return FALSE; |
| 2292 | |
| 2293 | /* Size. */ |
| 2294 | if (! ieee_write_2bytes (abfd, ieee_section_size_enum) |
| 2295 | || ! ieee_write_byte (abfd, |
| 2296 | (bfd_byte) (s->index |
| 2297 | + IEEE_SECTION_NUMBER_BASE)) |
| 2298 | || ! ieee_write_int (abfd, s->size)) |
| 2299 | return FALSE; |
| 2300 | if (abfd->flags & EXEC_P) |
| 2301 | { |
| 2302 | /* Relocateable sections don't have asl records. */ |
| 2303 | /* Vma. */ |
| 2304 | if (! ieee_write_2bytes (abfd, ieee_section_base_address_enum) |
| 2305 | || ! ieee_write_byte (abfd, |
| 2306 | ((bfd_byte) |
| 2307 | (s->index |
| 2308 | + IEEE_SECTION_NUMBER_BASE))) |
| 2309 | || ! ieee_write_int (abfd, s->lma)) |
| 2310 | return FALSE; |
| 2311 | } |
| 2312 | } |
| 2313 | } |
| 2314 | |
| 2315 | return TRUE; |
| 2316 | } |
| 2317 | |
| 2318 | static bfd_boolean |
| 2319 | do_with_relocs (bfd *abfd, asection *s) |
| 2320 | { |
| 2321 | unsigned int number_of_maus_in_address = |
| 2322 | bfd_arch_bits_per_address (abfd) / bfd_arch_bits_per_byte (abfd); |
| 2323 | unsigned int relocs_to_go = s->reloc_count; |
| 2324 | bfd_byte *stream = ieee_per_section (s)->data; |
| 2325 | arelent **p = s->orelocation; |
| 2326 | bfd_size_type current_byte_index = 0; |
| 2327 | |
| 2328 | qsort (s->orelocation, |
| 2329 | relocs_to_go, |
| 2330 | sizeof (arelent **), |
| 2331 | comp); |
| 2332 | |
| 2333 | /* Output the section preheader. */ |
| 2334 | if (! ieee_write_byte (abfd, ieee_set_current_section_enum) |
| 2335 | || ! ieee_write_byte (abfd, |
| 2336 | (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE)) |
| 2337 | || ! ieee_write_2bytes (abfd, ieee_set_current_pc_enum) |
| 2338 | || ! ieee_write_byte (abfd, |
| 2339 | (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE))) |
| 2340 | return FALSE; |
| 2341 | |
| 2342 | if ((abfd->flags & EXEC_P) != 0 && relocs_to_go == 0) |
| 2343 | { |
| 2344 | if (! ieee_write_int (abfd, s->lma)) |
| 2345 | return FALSE; |
| 2346 | } |
| 2347 | else |
| 2348 | { |
| 2349 | if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0)) |
| 2350 | return FALSE; |
| 2351 | } |
| 2352 | |
| 2353 | if (relocs_to_go == 0) |
| 2354 | { |
| 2355 | /* If there aren't any relocations then output the load constant |
| 2356 | byte opcode rather than the load with relocation opcode. */ |
| 2357 | while (current_byte_index < s->size) |
| 2358 | { |
| 2359 | bfd_size_type run; |
| 2360 | unsigned int MAXRUN = 127; |
| 2361 | |
| 2362 | run = MAXRUN; |
| 2363 | if (run > s->size - current_byte_index) |
| 2364 | run = s->size - current_byte_index; |
| 2365 | |
| 2366 | if (run != 0) |
| 2367 | { |
| 2368 | if (! ieee_write_byte (abfd, ieee_load_constant_bytes_enum)) |
| 2369 | return FALSE; |
| 2370 | /* Output a stream of bytes. */ |
| 2371 | if (! ieee_write_int (abfd, run)) |
| 2372 | return FALSE; |
| 2373 | if (bfd_bwrite ((void *) (stream + current_byte_index), run, abfd) |
| 2374 | != run) |
| 2375 | return FALSE; |
| 2376 | current_byte_index += run; |
| 2377 | } |
| 2378 | } |
| 2379 | } |
| 2380 | else |
| 2381 | { |
| 2382 | if (! ieee_write_byte (abfd, ieee_load_with_relocation_enum)) |
| 2383 | return FALSE; |
| 2384 | |
| 2385 | /* Output the data stream as the longest sequence of bytes |
| 2386 | possible, allowing for the a reasonable packet size and |
| 2387 | relocation stuffs. */ |
| 2388 | if (stream == NULL) |
| 2389 | { |
| 2390 | /* Outputting a section without data, fill it up. */ |
| 2391 | stream = bfd_zalloc (abfd, s->size); |
| 2392 | if (!stream) |
| 2393 | return FALSE; |
| 2394 | } |
| 2395 | while (current_byte_index < s->size) |
| 2396 | { |
| 2397 | bfd_size_type run; |
| 2398 | unsigned int MAXRUN = 127; |
| 2399 | |
| 2400 | if (relocs_to_go) |
| 2401 | { |
| 2402 | run = (*p)->address - current_byte_index; |
| 2403 | if (run > MAXRUN) |
| 2404 | run = MAXRUN; |
| 2405 | } |
| 2406 | else |
| 2407 | run = MAXRUN; |
| 2408 | |
| 2409 | if (run > s->size - current_byte_index) |
| 2410 | run = s->size - current_byte_index; |
| 2411 | |
| 2412 | if (run != 0) |
| 2413 | { |
| 2414 | /* Output a stream of bytes. */ |
| 2415 | if (! ieee_write_int (abfd, run)) |
| 2416 | return FALSE; |
| 2417 | if (bfd_bwrite ((void *) (stream + current_byte_index), run, abfd) |
| 2418 | != run) |
| 2419 | return FALSE; |
| 2420 | current_byte_index += run; |
| 2421 | } |
| 2422 | |
| 2423 | /* Output any relocations here. */ |
| 2424 | if (relocs_to_go && (*p) && (*p)->address == current_byte_index) |
| 2425 | { |
| 2426 | while (relocs_to_go |
| 2427 | && (*p) && (*p)->address == current_byte_index) |
| 2428 | { |
| 2429 | arelent *r = *p; |
| 2430 | bfd_signed_vma ov; |
| 2431 | switch (r->howto->size) |
| 2432 | { |
| 2433 | case 2: |
| 2434 | ov = bfd_get_signed_32 (abfd, |
| 2435 | stream + current_byte_index); |
| 2436 | current_byte_index += 4; |
| 2437 | break; |
| 2438 | case 1: |
| 2439 | ov = bfd_get_signed_16 (abfd, |
| 2440 | stream + current_byte_index); |
| 2441 | current_byte_index += 2; |
| 2442 | break; |
| 2443 | case 0: |
| 2444 | ov = bfd_get_signed_8 (abfd, |
| 2445 | stream + current_byte_index); |
| 2446 | current_byte_index++; |
| 2447 | break; |
| 2448 | default: |
| 2449 | ov = 0; |
| 2450 | BFD_FAIL (); |
| 2451 | return FALSE; |
| 2452 | } |
| 2453 | |
| 2454 | ov &= r->howto->src_mask; |
| 2455 | |
| 2456 | if (r->howto->pc_relative |
| 2457 | && ! r->howto->pcrel_offset) |
| 2458 | ov += r->address; |
| 2459 | |
| 2460 | if (! ieee_write_byte (abfd, |
| 2461 | ieee_function_either_open_b_enum)) |
| 2462 | return FALSE; |
| 2463 | |
| 2464 | if (r->sym_ptr_ptr != (asymbol **) NULL) |
| 2465 | { |
| 2466 | if (! ieee_write_expression (abfd, r->addend + ov, |
| 2467 | *(r->sym_ptr_ptr), |
| 2468 | r->howto->pc_relative, |
| 2469 | (unsigned) s->index)) |
| 2470 | return FALSE; |
| 2471 | } |
| 2472 | else |
| 2473 | { |
| 2474 | if (! ieee_write_expression (abfd, r->addend + ov, |
| 2475 | (asymbol *) NULL, |
| 2476 | r->howto->pc_relative, |
| 2477 | (unsigned) s->index)) |
| 2478 | return FALSE; |
| 2479 | } |
| 2480 | |
| 2481 | if (number_of_maus_in_address |
| 2482 | != bfd_get_reloc_size (r->howto)) |
| 2483 | { |
| 2484 | bfd_vma rsize = bfd_get_reloc_size (r->howto); |
| 2485 | if (! ieee_write_int (abfd, rsize)) |
| 2486 | return FALSE; |
| 2487 | } |
| 2488 | if (! ieee_write_byte (abfd, |
| 2489 | ieee_function_either_close_b_enum)) |
| 2490 | return FALSE; |
| 2491 | |
| 2492 | relocs_to_go--; |
| 2493 | p++; |
| 2494 | } |
| 2495 | |
| 2496 | } |
| 2497 | } |
| 2498 | } |
| 2499 | |
| 2500 | return TRUE; |
| 2501 | } |
| 2502 | |
| 2503 | /* If there are no relocations in the output section then we can be |
| 2504 | clever about how we write. We block items up into a max of 127 |
| 2505 | bytes. */ |
| 2506 | |
| 2507 | static bfd_boolean |
| 2508 | do_as_repeat (bfd *abfd, asection *s) |
| 2509 | { |
| 2510 | if (s->size) |
| 2511 | { |
| 2512 | if (! ieee_write_byte (abfd, ieee_set_current_section_enum) |
| 2513 | || ! ieee_write_byte (abfd, |
| 2514 | (bfd_byte) (s->index |
| 2515 | + IEEE_SECTION_NUMBER_BASE)) |
| 2516 | || ! ieee_write_byte (abfd, ieee_set_current_pc_enum >> 8) |
| 2517 | || ! ieee_write_byte (abfd, ieee_set_current_pc_enum & 0xff) |
| 2518 | || ! ieee_write_byte (abfd, |
| 2519 | (bfd_byte) (s->index |
| 2520 | + IEEE_SECTION_NUMBER_BASE))) |
| 2521 | return FALSE; |
| 2522 | |
| 2523 | if ((abfd->flags & EXEC_P) != 0) |
| 2524 | { |
| 2525 | if (! ieee_write_int (abfd, s->lma)) |
| 2526 | return FALSE; |
| 2527 | } |
| 2528 | else |
| 2529 | { |
| 2530 | if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0)) |
| 2531 | return FALSE; |
| 2532 | } |
| 2533 | |
| 2534 | if (! ieee_write_byte (abfd, ieee_repeat_data_enum) |
| 2535 | || ! ieee_write_int (abfd, s->size) |
| 2536 | || ! ieee_write_byte (abfd, ieee_load_constant_bytes_enum) |
| 2537 | || ! ieee_write_byte (abfd, 1) |
| 2538 | || ! ieee_write_byte (abfd, 0)) |
| 2539 | return FALSE; |
| 2540 | } |
| 2541 | |
| 2542 | return TRUE; |
| 2543 | } |
| 2544 | |
| 2545 | static bfd_boolean |
| 2546 | do_without_relocs (bfd *abfd, asection *s) |
| 2547 | { |
| 2548 | bfd_byte *stream = ieee_per_section (s)->data; |
| 2549 | |
| 2550 | if (stream == 0 || ((s->flags & SEC_LOAD) == 0)) |
| 2551 | { |
| 2552 | if (! do_as_repeat (abfd, s)) |
| 2553 | return FALSE; |
| 2554 | } |
| 2555 | else |
| 2556 | { |
| 2557 | unsigned int i; |
| 2558 | |
| 2559 | for (i = 0; i < s->size; i++) |
| 2560 | { |
| 2561 | if (stream[i] != 0) |
| 2562 | { |
| 2563 | if (! do_with_relocs (abfd, s)) |
| 2564 | return FALSE; |
| 2565 | return TRUE; |
| 2566 | } |
| 2567 | } |
| 2568 | if (! do_as_repeat (abfd, s)) |
| 2569 | return FALSE; |
| 2570 | } |
| 2571 | |
| 2572 | return TRUE; |
| 2573 | } |
| 2574 | |
| 2575 | static void |
| 2576 | fill (void) |
| 2577 | { |
| 2578 | bfd_size_type amt = input_ptr_end - input_ptr_start; |
| 2579 | /* FIXME: Check return value. I'm not sure whether it needs to read |
| 2580 | the entire buffer or not. */ |
| 2581 | bfd_bread ((void *) input_ptr_start, amt, input_bfd); |
| 2582 | input_ptr = input_ptr_start; |
| 2583 | } |
| 2584 | |
| 2585 | static void |
| 2586 | flush (void) |
| 2587 | { |
| 2588 | bfd_size_type amt = output_ptr - output_ptr_start; |
| 2589 | |
| 2590 | if (bfd_bwrite ((void *) (output_ptr_start), amt, output_bfd) != amt) |
| 2591 | abort (); |
| 2592 | output_ptr = output_ptr_start; |
| 2593 | output_buffer++; |
| 2594 | } |
| 2595 | |
| 2596 | #define THIS() ( *input_ptr ) |
| 2597 | #define NEXT() { input_ptr++; if (input_ptr == input_ptr_end) fill (); } |
| 2598 | #define OUT(x) { *output_ptr++ = (x); if (output_ptr == output_ptr_end) flush (); } |
| 2599 | |
| 2600 | static void |
| 2601 | write_int (int value) |
| 2602 | { |
| 2603 | if (value >= 0 && value <= 127) |
| 2604 | { |
| 2605 | OUT (value); |
| 2606 | } |
| 2607 | else |
| 2608 | { |
| 2609 | unsigned int length; |
| 2610 | |
| 2611 | /* How many significant bytes ? */ |
| 2612 | /* FIXME FOR LONGER INTS. */ |
| 2613 | if (value & 0xff000000) |
| 2614 | length = 4; |
| 2615 | else if (value & 0x00ff0000) |
| 2616 | length = 3; |
| 2617 | else if (value & 0x0000ff00) |
| 2618 | length = 2; |
| 2619 | else |
| 2620 | length = 1; |
| 2621 | |
| 2622 | OUT ((int) ieee_number_repeat_start_enum + length); |
| 2623 | switch (length) |
| 2624 | { |
| 2625 | case 4: |
| 2626 | OUT (value >> 24); |
| 2627 | /* Fall through. */ |
| 2628 | case 3: |
| 2629 | OUT (value >> 16); |
| 2630 | /* Fall through. */ |
| 2631 | case 2: |
| 2632 | OUT (value >> 8); |
| 2633 | /* Fall through. */ |
| 2634 | case 1: |
| 2635 | OUT (value); |
| 2636 | } |
| 2637 | } |
| 2638 | } |
| 2639 | |
| 2640 | static void |
| 2641 | copy_id (void) |
| 2642 | { |
| 2643 | int length = THIS (); |
| 2644 | char ch; |
| 2645 | |
| 2646 | OUT (length); |
| 2647 | NEXT (); |
| 2648 | while (length--) |
| 2649 | { |
| 2650 | ch = THIS (); |
| 2651 | OUT (ch); |
| 2652 | NEXT (); |
| 2653 | } |
| 2654 | } |
| 2655 | |
| 2656 | #define VAR(x) ((x | 0x80)) |
| 2657 | static void |
| 2658 | copy_expression (void) |
| 2659 | { |
| 2660 | int stack[10]; |
| 2661 | int *tos = stack; |
| 2662 | int value; |
| 2663 | |
| 2664 | while (1) |
| 2665 | { |
| 2666 | switch (THIS ()) |
| 2667 | { |
| 2668 | case 0x84: |
| 2669 | NEXT (); |
| 2670 | value = THIS (); |
| 2671 | NEXT (); |
| 2672 | value = (value << 8) | THIS (); |
| 2673 | NEXT (); |
| 2674 | value = (value << 8) | THIS (); |
| 2675 | NEXT (); |
| 2676 | value = (value << 8) | THIS (); |
| 2677 | NEXT (); |
| 2678 | *tos++ = value; |
| 2679 | break; |
| 2680 | case 0x83: |
| 2681 | NEXT (); |
| 2682 | value = THIS (); |
| 2683 | NEXT (); |
| 2684 | value = (value << 8) | THIS (); |
| 2685 | NEXT (); |
| 2686 | value = (value << 8) | THIS (); |
| 2687 | NEXT (); |
| 2688 | *tos++ = value; |
| 2689 | break; |
| 2690 | case 0x82: |
| 2691 | NEXT (); |
| 2692 | value = THIS (); |
| 2693 | NEXT (); |
| 2694 | value = (value << 8) | THIS (); |
| 2695 | NEXT (); |
| 2696 | *tos++ = value; |
| 2697 | break; |
| 2698 | case 0x81: |
| 2699 | NEXT (); |
| 2700 | value = THIS (); |
| 2701 | NEXT (); |
| 2702 | *tos++ = value; |
| 2703 | break; |
| 2704 | case 0x80: |
| 2705 | NEXT (); |
| 2706 | *tos++ = 0; |
| 2707 | break; |
| 2708 | default: |
| 2709 | if (THIS () > 0x84) |
| 2710 | { |
| 2711 | /* Not a number, just bug out with the answer. */ |
| 2712 | write_int (*(--tos)); |
| 2713 | return; |
| 2714 | } |
| 2715 | *tos++ = THIS (); |
| 2716 | NEXT (); |
| 2717 | break; |
| 2718 | case 0xa5: |
| 2719 | /* PLUS anything. */ |
| 2720 | value = *(--tos); |
| 2721 | value += *(--tos); |
| 2722 | *tos++ = value; |
| 2723 | NEXT (); |
| 2724 | break; |
| 2725 | case VAR ('R'): |
| 2726 | { |
| 2727 | int section_number; |
| 2728 | ieee_data_type *ieee; |
| 2729 | asection *s; |
| 2730 | |
| 2731 | NEXT (); |
| 2732 | section_number = THIS (); |
| 2733 | |
| 2734 | NEXT (); |
| 2735 | ieee = IEEE_DATA (input_bfd); |
| 2736 | s = ieee->section_table[section_number]; |
| 2737 | value = 0; |
| 2738 | if (s->output_section) |
| 2739 | value = s->output_section->lma; |
| 2740 | value += s->output_offset; |
| 2741 | *tos++ = value; |
| 2742 | } |
| 2743 | break; |
| 2744 | case 0x90: |
| 2745 | { |
| 2746 | NEXT (); |
| 2747 | write_int (*(--tos)); |
| 2748 | OUT (0x90); |
| 2749 | return; |
| 2750 | } |
| 2751 | } |
| 2752 | } |
| 2753 | } |
| 2754 | |
| 2755 | /* Drop the int in the buffer, and copy a null into the gap, which we |
| 2756 | will overwrite later. */ |
| 2757 | |
| 2758 | static void |
| 2759 | fill_int (struct output_buffer_struct *buf) |
| 2760 | { |
| 2761 | if (buf->buffer == output_buffer) |
| 2762 | { |
| 2763 | /* Still a chance to output the size. */ |
| 2764 | int value = output_ptr - buf->ptrp + 3; |
| 2765 | buf->ptrp[0] = value >> 24; |
| 2766 | buf->ptrp[1] = value >> 16; |
| 2767 | buf->ptrp[2] = value >> 8; |
| 2768 | buf->ptrp[3] = value >> 0; |
| 2769 | } |
| 2770 | } |
| 2771 | |
| 2772 | static void |
| 2773 | drop_int (struct output_buffer_struct *buf) |
| 2774 | { |
| 2775 | int type = THIS (); |
| 2776 | int ch; |
| 2777 | |
| 2778 | if (type <= 0x84) |
| 2779 | { |
| 2780 | NEXT (); |
| 2781 | switch (type) |
| 2782 | { |
| 2783 | case 0x84: |
| 2784 | ch = THIS (); |
| 2785 | NEXT (); |
| 2786 | /* Fall through. */ |
| 2787 | case 0x83: |
| 2788 | ch = THIS (); |
| 2789 | NEXT (); |
| 2790 | /* Fall through. */ |
| 2791 | case 0x82: |
| 2792 | ch = THIS (); |
| 2793 | NEXT (); |
| 2794 | /* Fall through. */ |
| 2795 | case 0x81: |
| 2796 | ch = THIS (); |
| 2797 | NEXT (); |
| 2798 | /* Fall through. */ |
| 2799 | case 0x80: |
| 2800 | break; |
| 2801 | } |
| 2802 | } |
| 2803 | (void) ch; |
| 2804 | OUT (0x84); |
| 2805 | buf->ptrp = output_ptr; |
| 2806 | buf->buffer = output_buffer; |
| 2807 | OUT (0); |
| 2808 | OUT (0); |
| 2809 | OUT (0); |
| 2810 | OUT (0); |
| 2811 | } |
| 2812 | |
| 2813 | static void |
| 2814 | copy_int (void) |
| 2815 | { |
| 2816 | int type = THIS (); |
| 2817 | int ch; |
| 2818 | if (type <= 0x84) |
| 2819 | { |
| 2820 | OUT (type); |
| 2821 | NEXT (); |
| 2822 | switch (type) |
| 2823 | { |
| 2824 | case 0x84: |
| 2825 | ch = THIS (); |
| 2826 | NEXT (); |
| 2827 | OUT (ch); |
| 2828 | /* Fall through. */ |
| 2829 | case 0x83: |
| 2830 | ch = THIS (); |
| 2831 | NEXT (); |
| 2832 | OUT (ch); |
| 2833 | /* Fall through. */ |
| 2834 | case 0x82: |
| 2835 | ch = THIS (); |
| 2836 | NEXT (); |
| 2837 | OUT (ch); |
| 2838 | /* Fall through. */ |
| 2839 | case 0x81: |
| 2840 | ch = THIS (); |
| 2841 | NEXT (); |
| 2842 | OUT (ch); |
| 2843 | /* Fall through. */ |
| 2844 | case 0x80: |
| 2845 | break; |
| 2846 | } |
| 2847 | } |
| 2848 | } |
| 2849 | |
| 2850 | #define ID copy_id () |
| 2851 | #define INT copy_int () |
| 2852 | #define EXP copy_expression () |
| 2853 | #define INTn(q) copy_int () |
| 2854 | #define EXPn(q) copy_expression () |
| 2855 | |
| 2856 | static void |
| 2857 | copy_till_end (void) |
| 2858 | { |
| 2859 | int ch = THIS (); |
| 2860 | |
| 2861 | while (1) |
| 2862 | { |
| 2863 | while (ch <= 0x80) |
| 2864 | { |
| 2865 | OUT (ch); |
| 2866 | NEXT (); |
| 2867 | ch = THIS (); |
| 2868 | } |
| 2869 | switch (ch) |
| 2870 | { |
| 2871 | case 0x84: |
| 2872 | OUT (THIS ()); |
| 2873 | NEXT (); |
| 2874 | /* Fall through. */ |
| 2875 | case 0x83: |
| 2876 | OUT (THIS ()); |
| 2877 | NEXT (); |
| 2878 | /* Fall through. */ |
| 2879 | case 0x82: |
| 2880 | OUT (THIS ()); |
| 2881 | NEXT (); |
| 2882 | /* Fall through. */ |
| 2883 | case 0x81: |
| 2884 | OUT (THIS ()); |
| 2885 | NEXT (); |
| 2886 | OUT (THIS ()); |
| 2887 | NEXT (); |
| 2888 | |
| 2889 | ch = THIS (); |
| 2890 | break; |
| 2891 | default: |
| 2892 | return; |
| 2893 | } |
| 2894 | } |
| 2895 | |
| 2896 | } |
| 2897 | |
| 2898 | static void |
| 2899 | f1_record (void) |
| 2900 | { |
| 2901 | int ch; |
| 2902 | |
| 2903 | /* ATN record. */ |
| 2904 | NEXT (); |
| 2905 | ch = THIS (); |
| 2906 | switch (ch) |
| 2907 | { |
| 2908 | default: |
| 2909 | OUT (0xf1); |
| 2910 | OUT (ch); |
| 2911 | break; |
| 2912 | case 0xc9: |
| 2913 | NEXT (); |
| 2914 | OUT (0xf1); |
| 2915 | OUT (0xc9); |
| 2916 | INT; |
| 2917 | INT; |
| 2918 | ch = THIS (); |
| 2919 | switch (ch) |
| 2920 | { |
| 2921 | case 0x16: |
| 2922 | NEXT (); |
| 2923 | break; |
| 2924 | case 0x01: |
| 2925 | NEXT (); |
| 2926 | break; |
| 2927 | case 0x00: |
| 2928 | NEXT (); |
| 2929 | INT; |
| 2930 | break; |
| 2931 | case 0x03: |
| 2932 | NEXT (); |
| 2933 | INT; |
| 2934 | break; |
| 2935 | case 0x13: |
| 2936 | EXPn (instruction address); |
| 2937 | break; |
| 2938 | default: |
| 2939 | break; |
| 2940 | } |
| 2941 | break; |
| 2942 | case 0xd8: |
| 2943 | /* EXternal ref. */ |
| 2944 | NEXT (); |
| 2945 | OUT (0xf1); |
| 2946 | OUT (0xd8); |
| 2947 | EXP; |
| 2948 | EXP; |
| 2949 | EXP; |
| 2950 | EXP; |
| 2951 | break; |
| 2952 | case 0xce: |
| 2953 | NEXT (); |
| 2954 | OUT (0xf1); |
| 2955 | OUT (0xce); |
| 2956 | INT; |
| 2957 | INT; |
| 2958 | ch = THIS (); |
| 2959 | INT; |
| 2960 | switch (ch) |
| 2961 | { |
| 2962 | case 0x01: |
| 2963 | INT; |
| 2964 | INT; |
| 2965 | break; |
| 2966 | case 0x02: |
| 2967 | INT; |
| 2968 | break; |
| 2969 | case 0x04: |
| 2970 | EXPn (external function); |
| 2971 | break; |
| 2972 | case 0x05: |
| 2973 | break; |
| 2974 | case 0x07: |
| 2975 | INTn (line number); |
| 2976 | INT; |
| 2977 | case 0x08: |
| 2978 | break; |
| 2979 | case 0x0a: |
| 2980 | INTn (locked register); |
| 2981 | INT; |
| 2982 | break; |
| 2983 | case 0x3f: |
| 2984 | copy_till_end (); |
| 2985 | break; |
| 2986 | case 0x3e: |
| 2987 | copy_till_end (); |
| 2988 | break; |
| 2989 | case 0x40: |
| 2990 | copy_till_end (); |
| 2991 | break; |
| 2992 | case 0x41: |
| 2993 | ID; |
| 2994 | break; |
| 2995 | } |
| 2996 | } |
| 2997 | } |
| 2998 | |
| 2999 | static void |
| 3000 | f0_record (void) |
| 3001 | { |
| 3002 | /* Attribute record. */ |
| 3003 | NEXT (); |
| 3004 | OUT (0xf0); |
| 3005 | INTn (Symbol name); |
| 3006 | ID; |
| 3007 | } |
| 3008 | |
| 3009 | static void |
| 3010 | f2_record (void) |
| 3011 | { |
| 3012 | NEXT (); |
| 3013 | OUT (0xf2); |
| 3014 | INT; |
| 3015 | NEXT (); |
| 3016 | OUT (0xce); |
| 3017 | INT; |
| 3018 | copy_till_end (); |
| 3019 | } |
| 3020 | |
| 3021 | static void |
| 3022 | f8_record (void) |
| 3023 | { |
| 3024 | int ch; |
| 3025 | NEXT (); |
| 3026 | ch = THIS (); |
| 3027 | switch (ch) |
| 3028 | { |
| 3029 | case 0x01: |
| 3030 | case 0x02: |
| 3031 | case 0x03: |
| 3032 | /* Unique typedefs for module. */ |
| 3033 | /* GLobal typedefs. */ |
| 3034 | /* High level module scope beginning. */ |
| 3035 | { |
| 3036 | struct output_buffer_struct ob; |
| 3037 | |
| 3038 | NEXT (); |
| 3039 | OUT (0xf8); |
| 3040 | OUT (ch); |
| 3041 | drop_int (&ob); |
| 3042 | ID; |
| 3043 | |
| 3044 | block (); |
| 3045 | |
| 3046 | NEXT (); |
| 3047 | fill_int (&ob); |
| 3048 | OUT (0xf9); |
| 3049 | } |
| 3050 | break; |
| 3051 | case 0x04: |
| 3052 | /* Global function. */ |
| 3053 | { |
| 3054 | struct output_buffer_struct ob; |
| 3055 | |
| 3056 | NEXT (); |
| 3057 | OUT (0xf8); |
| 3058 | OUT (0x04); |
| 3059 | drop_int (&ob); |
| 3060 | ID; |
| 3061 | INTn (stack size); |
| 3062 | INTn (ret val); |
| 3063 | EXPn (offset); |
| 3064 | |
| 3065 | block (); |
| 3066 | |
| 3067 | NEXT (); |
| 3068 | OUT (0xf9); |
| 3069 | EXPn (size of block); |
| 3070 | fill_int (&ob); |
| 3071 | } |
| 3072 | break; |
| 3073 | |
| 3074 | case 0x05: |
| 3075 | /* File name for source line numbers. */ |
| 3076 | { |
| 3077 | struct output_buffer_struct ob; |
| 3078 | |
| 3079 | NEXT (); |
| 3080 | OUT (0xf8); |
| 3081 | OUT (0x05); |
| 3082 | drop_int (&ob); |
| 3083 | ID; |
| 3084 | INTn (year); |
| 3085 | INTn (month); |
| 3086 | INTn (day); |
| 3087 | INTn (hour); |
| 3088 | INTn (monute); |
| 3089 | INTn (second); |
| 3090 | block (); |
| 3091 | NEXT (); |
| 3092 | OUT (0xf9); |
| 3093 | fill_int (&ob); |
| 3094 | } |
| 3095 | break; |
| 3096 | |
| 3097 | case 0x06: |
| 3098 | /* Local function. */ |
| 3099 | { |
| 3100 | struct output_buffer_struct ob; |
| 3101 | |
| 3102 | NEXT (); |
| 3103 | OUT (0xf8); |
| 3104 | OUT (0x06); |
| 3105 | drop_int (&ob); |
| 3106 | ID; |
| 3107 | INTn (stack size); |
| 3108 | INTn (type return); |
| 3109 | EXPn (offset); |
| 3110 | block (); |
| 3111 | NEXT (); |
| 3112 | OUT (0xf9); |
| 3113 | EXPn (size); |
| 3114 | fill_int (&ob); |
| 3115 | } |
| 3116 | break; |
| 3117 | |
| 3118 | case 0x0a: |
| 3119 | /* Assembler module scope beginning - */ |
| 3120 | { |
| 3121 | struct output_buffer_struct ob; |
| 3122 | |
| 3123 | NEXT (); |
| 3124 | OUT (0xf8); |
| 3125 | OUT (0x0a); |
| 3126 | drop_int (&ob); |
| 3127 | ID; |
| 3128 | ID; |
| 3129 | INT; |
| 3130 | ID; |
| 3131 | INT; |
| 3132 | INT; |
| 3133 | INT; |
| 3134 | INT; |
| 3135 | INT; |
| 3136 | INT; |
| 3137 | |
| 3138 | block (); |
| 3139 | |
| 3140 | NEXT (); |
| 3141 | OUT (0xf9); |
| 3142 | fill_int (&ob); |
| 3143 | } |
| 3144 | break; |
| 3145 | case 0x0b: |
| 3146 | { |
| 3147 | struct output_buffer_struct ob; |
| 3148 | |
| 3149 | NEXT (); |
| 3150 | OUT (0xf8); |
| 3151 | OUT (0x0b); |
| 3152 | drop_int (&ob); |
| 3153 | ID; |
| 3154 | INT; |
| 3155 | INTn (section index); |
| 3156 | EXPn (offset); |
| 3157 | INTn (stuff); |
| 3158 | |
| 3159 | block (); |
| 3160 | |
| 3161 | OUT (0xf9); |
| 3162 | NEXT (); |
| 3163 | EXPn (Size in Maus); |
| 3164 | fill_int (&ob); |
| 3165 | } |
| 3166 | break; |
| 3167 | } |
| 3168 | } |
| 3169 | |
| 3170 | static void |
| 3171 | e2_record (void) |
| 3172 | { |
| 3173 | OUT (0xe2); |
| 3174 | NEXT (); |
| 3175 | OUT (0xce); |
| 3176 | NEXT (); |
| 3177 | INT; |
| 3178 | EXP; |
| 3179 | } |
| 3180 | |
| 3181 | static void |
| 3182 | block (void) |
| 3183 | { |
| 3184 | int ch; |
| 3185 | |
| 3186 | while (1) |
| 3187 | { |
| 3188 | ch = THIS (); |
| 3189 | switch (ch) |
| 3190 | { |
| 3191 | case 0xe1: |
| 3192 | case 0xe5: |
| 3193 | return; |
| 3194 | case 0xf9: |
| 3195 | return; |
| 3196 | case 0xf0: |
| 3197 | f0_record (); |
| 3198 | break; |
| 3199 | case 0xf1: |
| 3200 | f1_record (); |
| 3201 | break; |
| 3202 | case 0xf2: |
| 3203 | f2_record (); |
| 3204 | break; |
| 3205 | case 0xf8: |
| 3206 | f8_record (); |
| 3207 | break; |
| 3208 | case 0xe2: |
| 3209 | e2_record (); |
| 3210 | break; |
| 3211 | |
| 3212 | } |
| 3213 | } |
| 3214 | } |
| 3215 | |
| 3216 | /* Moves all the debug information from the source bfd to the output |
| 3217 | bfd, and relocates any expressions it finds. */ |
| 3218 | |
| 3219 | static void |
| 3220 | relocate_debug (bfd *output ATTRIBUTE_UNUSED, |
| 3221 | bfd *input) |
| 3222 | { |
| 3223 | #define IBS 400 |
| 3224 | #define OBS 400 |
| 3225 | unsigned char input_buffer[IBS]; |
| 3226 | |
| 3227 | input_ptr_start = input_ptr = input_buffer; |
| 3228 | input_ptr_end = input_buffer + IBS; |
| 3229 | input_bfd = input; |
| 3230 | /* FIXME: Check return value. I'm not sure whether it needs to read |
| 3231 | the entire buffer or not. */ |
| 3232 | bfd_bread ((void *) input_ptr_start, (bfd_size_type) IBS, input); |
| 3233 | block (); |
| 3234 | } |
| 3235 | |
| 3236 | /* Gather together all the debug information from each input BFD into |
| 3237 | one place, relocating it and emitting it as we go. */ |
| 3238 | |
| 3239 | static bfd_boolean |
| 3240 | ieee_write_debug_part (bfd *abfd) |
| 3241 | { |
| 3242 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 3243 | bfd_chain_type *chain = ieee->chain_root; |
| 3244 | unsigned char obuff[OBS]; |
| 3245 | bfd_boolean some_debug = FALSE; |
| 3246 | file_ptr here = bfd_tell (abfd); |
| 3247 | |
| 3248 | output_ptr_start = output_ptr = obuff; |
| 3249 | output_ptr_end = obuff + OBS; |
| 3250 | output_ptr = obuff; |
| 3251 | output_bfd = abfd; |
| 3252 | |
| 3253 | if (chain == (bfd_chain_type *) NULL) |
| 3254 | { |
| 3255 | asection *s; |
| 3256 | |
| 3257 | for (s = abfd->sections; s != NULL; s = s->next) |
| 3258 | if ((s->flags & SEC_DEBUGGING) != 0) |
| 3259 | break; |
| 3260 | if (s == NULL) |
| 3261 | { |
| 3262 | ieee->w.r.debug_information_part = 0; |
| 3263 | return TRUE; |
| 3264 | } |
| 3265 | |
| 3266 | ieee->w.r.debug_information_part = here; |
| 3267 | if (bfd_bwrite (s->contents, s->size, abfd) != s->size) |
| 3268 | return FALSE; |
| 3269 | } |
| 3270 | else |
| 3271 | { |
| 3272 | while (chain != (bfd_chain_type *) NULL) |
| 3273 | { |
| 3274 | bfd *entry = chain->this; |
| 3275 | ieee_data_type *entry_ieee = IEEE_DATA (entry); |
| 3276 | |
| 3277 | if (entry_ieee->w.r.debug_information_part) |
| 3278 | { |
| 3279 | if (bfd_seek (entry, entry_ieee->w.r.debug_information_part, |
| 3280 | SEEK_SET) != 0) |
| 3281 | return FALSE; |
| 3282 | relocate_debug (abfd, entry); |
| 3283 | } |
| 3284 | |
| 3285 | chain = chain->next; |
| 3286 | } |
| 3287 | |
| 3288 | if (some_debug) |
| 3289 | ieee->w.r.debug_information_part = here; |
| 3290 | else |
| 3291 | ieee->w.r.debug_information_part = 0; |
| 3292 | |
| 3293 | flush (); |
| 3294 | } |
| 3295 | |
| 3296 | return TRUE; |
| 3297 | } |
| 3298 | |
| 3299 | /* Write the data in an ieee way. */ |
| 3300 | |
| 3301 | static bfd_boolean |
| 3302 | ieee_write_data_part (bfd *abfd) |
| 3303 | { |
| 3304 | asection *s; |
| 3305 | |
| 3306 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 3307 | ieee->w.r.data_part = bfd_tell (abfd); |
| 3308 | |
| 3309 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
| 3310 | { |
| 3311 | /* Skip sections that have no loadable contents (.bss, |
| 3312 | debugging, etc.) */ |
| 3313 | if ((s->flags & SEC_LOAD) == 0) |
| 3314 | continue; |
| 3315 | |
| 3316 | /* Sort the reloc records so we can insert them in the correct |
| 3317 | places. */ |
| 3318 | if (s->reloc_count != 0) |
| 3319 | { |
| 3320 | if (! do_with_relocs (abfd, s)) |
| 3321 | return FALSE; |
| 3322 | } |
| 3323 | else |
| 3324 | { |
| 3325 | if (! do_without_relocs (abfd, s)) |
| 3326 | return FALSE; |
| 3327 | } |
| 3328 | } |
| 3329 | |
| 3330 | return TRUE; |
| 3331 | } |
| 3332 | |
| 3333 | static bfd_boolean |
| 3334 | init_for_output (bfd *abfd) |
| 3335 | { |
| 3336 | asection *s; |
| 3337 | |
| 3338 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
| 3339 | { |
| 3340 | if ((s->flags & SEC_DEBUGGING) != 0) |
| 3341 | continue; |
| 3342 | if (s->size != 0) |
| 3343 | { |
| 3344 | bfd_size_type size = s->size; |
| 3345 | ieee_per_section (s)->data = bfd_alloc (abfd, size); |
| 3346 | if (!ieee_per_section (s)->data) |
| 3347 | return FALSE; |
| 3348 | } |
| 3349 | } |
| 3350 | return TRUE; |
| 3351 | } |
| 3352 | \f |
| 3353 | /* Exec and core file sections. */ |
| 3354 | |
| 3355 | /* Set section contents is complicated with IEEE since the format is |
| 3356 | not a byte image, but a record stream. */ |
| 3357 | |
| 3358 | static bfd_boolean |
| 3359 | ieee_set_section_contents (bfd *abfd, |
| 3360 | sec_ptr section, |
| 3361 | const void * location, |
| 3362 | file_ptr offset, |
| 3363 | bfd_size_type count) |
| 3364 | { |
| 3365 | if ((section->flags & SEC_DEBUGGING) != 0) |
| 3366 | { |
| 3367 | if (section->contents == NULL) |
| 3368 | { |
| 3369 | bfd_size_type size = section->size; |
| 3370 | section->contents = bfd_alloc (abfd, size); |
| 3371 | if (section->contents == NULL) |
| 3372 | return FALSE; |
| 3373 | } |
| 3374 | /* bfd_set_section_contents has already checked that everything |
| 3375 | is within range. */ |
| 3376 | memcpy (section->contents + offset, location, (size_t) count); |
| 3377 | return TRUE; |
| 3378 | } |
| 3379 | |
| 3380 | if (ieee_per_section (section)->data == (bfd_byte *) NULL) |
| 3381 | { |
| 3382 | if (!init_for_output (abfd)) |
| 3383 | return FALSE; |
| 3384 | } |
| 3385 | memcpy ((void *) (ieee_per_section (section)->data + offset), |
| 3386 | (void *) location, |
| 3387 | (unsigned int) count); |
| 3388 | return TRUE; |
| 3389 | } |
| 3390 | |
| 3391 | /* Write the external symbols of a file. IEEE considers two sorts of |
| 3392 | external symbols, public, and referenced. It uses to internal |
| 3393 | forms to index them as well. When we write them out we turn their |
| 3394 | symbol values into indexes from the right base. */ |
| 3395 | |
| 3396 | static bfd_boolean |
| 3397 | ieee_write_external_part (bfd *abfd) |
| 3398 | { |
| 3399 | asymbol **q; |
| 3400 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 3401 | unsigned int reference_index = IEEE_REFERENCE_BASE; |
| 3402 | unsigned int public_index = IEEE_PUBLIC_BASE + 2; |
| 3403 | file_ptr here = bfd_tell (abfd); |
| 3404 | bfd_boolean hadone = FALSE; |
| 3405 | |
| 3406 | if (abfd->outsymbols != (asymbol **) NULL) |
| 3407 | { |
| 3408 | |
| 3409 | for (q = abfd->outsymbols; *q != (asymbol *) NULL; q++) |
| 3410 | { |
| 3411 | asymbol *p = *q; |
| 3412 | |
| 3413 | if (bfd_is_und_section (p->section)) |
| 3414 | { |
| 3415 | /* This must be a symbol reference. */ |
| 3416 | if (! ieee_write_byte (abfd, ieee_external_reference_enum) |
| 3417 | || ! ieee_write_int (abfd, (bfd_vma) reference_index) |
| 3418 | || ! ieee_write_id (abfd, p->name)) |
| 3419 | return FALSE; |
| 3420 | p->value = reference_index; |
| 3421 | reference_index++; |
| 3422 | hadone = TRUE; |
| 3423 | } |
| 3424 | else if (bfd_is_com_section (p->section)) |
| 3425 | { |
| 3426 | /* This is a weak reference. */ |
| 3427 | if (! ieee_write_byte (abfd, ieee_external_reference_enum) |
| 3428 | || ! ieee_write_int (abfd, (bfd_vma) reference_index) |
| 3429 | || ! ieee_write_id (abfd, p->name) |
| 3430 | || ! ieee_write_byte (abfd, |
| 3431 | ieee_weak_external_reference_enum) |
| 3432 | || ! ieee_write_int (abfd, (bfd_vma) reference_index) |
| 3433 | || ! ieee_write_int (abfd, p->value)) |
| 3434 | return FALSE; |
| 3435 | p->value = reference_index; |
| 3436 | reference_index++; |
| 3437 | hadone = TRUE; |
| 3438 | } |
| 3439 | else if (p->flags & BSF_GLOBAL) |
| 3440 | { |
| 3441 | /* This must be a symbol definition. */ |
| 3442 | if (! ieee_write_byte (abfd, ieee_external_symbol_enum) |
| 3443 | || ! ieee_write_int (abfd, (bfd_vma) public_index) |
| 3444 | || ! ieee_write_id (abfd, p->name) |
| 3445 | || ! ieee_write_2bytes (abfd, ieee_attribute_record_enum) |
| 3446 | || ! ieee_write_int (abfd, (bfd_vma) public_index) |
| 3447 | || ! ieee_write_byte (abfd, 15) /* Instruction address. */ |
| 3448 | || ! ieee_write_byte (abfd, 19) /* Static symbol. */ |
| 3449 | || ! ieee_write_byte (abfd, 1)) /* One of them. */ |
| 3450 | return FALSE; |
| 3451 | |
| 3452 | /* Write out the value. */ |
| 3453 | if (! ieee_write_2bytes (abfd, ieee_value_record_enum) |
| 3454 | || ! ieee_write_int (abfd, (bfd_vma) public_index)) |
| 3455 | return FALSE; |
| 3456 | if (! bfd_is_abs_section (p->section)) |
| 3457 | { |
| 3458 | if (abfd->flags & EXEC_P) |
| 3459 | { |
| 3460 | /* If fully linked, then output all symbols |
| 3461 | relocated. */ |
| 3462 | if (! (ieee_write_int |
| 3463 | (abfd, |
| 3464 | (p->value |
| 3465 | + p->section->output_offset |
| 3466 | + p->section->output_section->vma)))) |
| 3467 | return FALSE; |
| 3468 | } |
| 3469 | else |
| 3470 | { |
| 3471 | if (! (ieee_write_expression |
| 3472 | (abfd, |
| 3473 | p->value + p->section->output_offset, |
| 3474 | p->section->output_section->symbol, |
| 3475 | FALSE, 0))) |
| 3476 | return FALSE; |
| 3477 | } |
| 3478 | } |
| 3479 | else |
| 3480 | { |
| 3481 | if (! ieee_write_expression (abfd, |
| 3482 | p->value, |
| 3483 | bfd_abs_section_ptr->symbol, |
| 3484 | FALSE, 0)) |
| 3485 | return FALSE; |
| 3486 | } |
| 3487 | p->value = public_index; |
| 3488 | public_index++; |
| 3489 | hadone = TRUE; |
| 3490 | } |
| 3491 | else |
| 3492 | { |
| 3493 | /* This can happen - when there are gaps in the symbols read |
| 3494 | from an input ieee file. */ |
| 3495 | } |
| 3496 | } |
| 3497 | } |
| 3498 | if (hadone) |
| 3499 | ieee->w.r.external_part = here; |
| 3500 | |
| 3501 | return TRUE; |
| 3502 | } |
| 3503 | |
| 3504 | |
| 3505 | static const unsigned char exten[] = |
| 3506 | { |
| 3507 | 0xf0, 0x20, 0x00, |
| 3508 | 0xf1, 0xce, 0x20, 0x00, 37, 3, 3, /* Set version 3 rev 3. */ |
| 3509 | 0xf1, 0xce, 0x20, 0x00, 39, 2, /* Keep symbol in original case. */ |
| 3510 | 0xf1, 0xce, 0x20, 0x00, 38 /* Set object type relocatable to x. */ |
| 3511 | }; |
| 3512 | |
| 3513 | static const unsigned char envi[] = |
| 3514 | { |
| 3515 | 0xf0, 0x21, 0x00, |
| 3516 | |
| 3517 | /* 0xf1, 0xce, 0x21, 00, 50, 0x82, 0x07, 0xc7, 0x09, 0x11, 0x11, |
| 3518 | 0x19, 0x2c, |
| 3519 | */ |
| 3520 | 0xf1, 0xce, 0x21, 00, 52, 0x00, /* exec ok. */ |
| 3521 | |
| 3522 | 0xf1, 0xce, 0x21, 0, 53, 0x03,/* host unix. */ |
| 3523 | /* 0xf1, 0xce, 0x21, 0, 54, 2,1,1 tool & version # */ |
| 3524 | }; |
| 3525 | |
| 3526 | static bfd_boolean |
| 3527 | ieee_write_me_part (bfd *abfd) |
| 3528 | { |
| 3529 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 3530 | ieee->w.r.trailer_part = bfd_tell (abfd); |
| 3531 | if (abfd->start_address) |
| 3532 | { |
| 3533 | if (! ieee_write_2bytes (abfd, ieee_value_starting_address_enum) |
| 3534 | || ! ieee_write_byte (abfd, ieee_function_either_open_b_enum) |
| 3535 | || ! ieee_write_int (abfd, abfd->start_address) |
| 3536 | || ! ieee_write_byte (abfd, ieee_function_either_close_b_enum)) |
| 3537 | return FALSE; |
| 3538 | } |
| 3539 | ieee->w.r.me_record = bfd_tell (abfd); |
| 3540 | if (! ieee_write_byte (abfd, ieee_module_end_enum)) |
| 3541 | return FALSE; |
| 3542 | return TRUE; |
| 3543 | } |
| 3544 | |
| 3545 | /* Write out the IEEE processor ID. */ |
| 3546 | |
| 3547 | static bfd_boolean |
| 3548 | ieee_write_processor (bfd *abfd) |
| 3549 | { |
| 3550 | const bfd_arch_info_type *arch; |
| 3551 | |
| 3552 | arch = bfd_get_arch_info (abfd); |
| 3553 | switch (arch->arch) |
| 3554 | { |
| 3555 | default: |
| 3556 | if (! ieee_write_id (abfd, bfd_printable_name (abfd))) |
| 3557 | return FALSE; |
| 3558 | break; |
| 3559 | |
| 3560 | case bfd_arch_h8300: |
| 3561 | if (! ieee_write_id (abfd, "H8/300")) |
| 3562 | return FALSE; |
| 3563 | break; |
| 3564 | |
| 3565 | case bfd_arch_h8500: |
| 3566 | if (! ieee_write_id (abfd, "H8/500")) |
| 3567 | return FALSE; |
| 3568 | break; |
| 3569 | |
| 3570 | case bfd_arch_i960: |
| 3571 | switch (arch->mach) |
| 3572 | { |
| 3573 | default: |
| 3574 | case bfd_mach_i960_core: |
| 3575 | case bfd_mach_i960_ka_sa: |
| 3576 | if (! ieee_write_id (abfd, "80960KA")) |
| 3577 | return FALSE; |
| 3578 | break; |
| 3579 | |
| 3580 | case bfd_mach_i960_kb_sb: |
| 3581 | if (! ieee_write_id (abfd, "80960KB")) |
| 3582 | return FALSE; |
| 3583 | break; |
| 3584 | |
| 3585 | case bfd_mach_i960_ca: |
| 3586 | if (! ieee_write_id (abfd, "80960CA")) |
| 3587 | return FALSE; |
| 3588 | break; |
| 3589 | |
| 3590 | case bfd_mach_i960_mc: |
| 3591 | case bfd_mach_i960_xa: |
| 3592 | if (! ieee_write_id (abfd, "80960MC")) |
| 3593 | return FALSE; |
| 3594 | break; |
| 3595 | } |
| 3596 | break; |
| 3597 | |
| 3598 | case bfd_arch_m68k: |
| 3599 | { |
| 3600 | const char *id; |
| 3601 | |
| 3602 | switch (arch->mach) |
| 3603 | { |
| 3604 | default: id = "68020"; break; |
| 3605 | case bfd_mach_m68000: id = "68000"; break; |
| 3606 | case bfd_mach_m68008: id = "68008"; break; |
| 3607 | case bfd_mach_m68010: id = "68010"; break; |
| 3608 | case bfd_mach_m68020: id = "68020"; break; |
| 3609 | case bfd_mach_m68030: id = "68030"; break; |
| 3610 | case bfd_mach_m68040: id = "68040"; break; |
| 3611 | case bfd_mach_m68060: id = "68060"; break; |
| 3612 | case bfd_mach_cpu32: id = "cpu32"; break; |
| 3613 | case bfd_mach_mcf_isa_a_nodiv: id = "isa-a:nodiv"; break; |
| 3614 | case bfd_mach_mcf_isa_a: id = "isa-a"; break; |
| 3615 | case bfd_mach_mcf_isa_a_mac: id = "isa-a:mac"; break; |
| 3616 | case bfd_mach_mcf_isa_a_emac: id = "isa-a:emac"; break; |
| 3617 | case bfd_mach_mcf_isa_aplus: id = "isa-aplus"; break; |
| 3618 | case bfd_mach_mcf_isa_aplus_mac: id = "isa-aplus:mac"; break; |
| 3619 | case bfd_mach_mcf_isa_aplus_emac: id = "isa-aplus:mac"; break; |
| 3620 | case bfd_mach_mcf_isa_b_nousp: id = "isa-b:nousp"; break; |
| 3621 | case bfd_mach_mcf_isa_b_nousp_mac: id = "isa-b:nousp:mac"; break; |
| 3622 | case bfd_mach_mcf_isa_b_nousp_emac: id = "isa-b:nousp:emac"; break; |
| 3623 | case bfd_mach_mcf_isa_b: id = "isa-b"; break; |
| 3624 | case bfd_mach_mcf_isa_b_mac: id = "isa-b:mac"; break; |
| 3625 | case bfd_mach_mcf_isa_b_emac: id = "isa-b:emac"; break; |
| 3626 | case bfd_mach_mcf_isa_b_float: id = "isa-b:float"; break; |
| 3627 | case bfd_mach_mcf_isa_b_float_mac: id = "isa-b:float:mac"; break; |
| 3628 | case bfd_mach_mcf_isa_b_float_emac: id = "isa-b:float:emac"; break; |
| 3629 | case bfd_mach_mcf_isa_c: id = "isa-c"; break; |
| 3630 | case bfd_mach_mcf_isa_c_mac: id = "isa-c:mac"; break; |
| 3631 | case bfd_mach_mcf_isa_c_emac: id = "isa-c:emac"; break; |
| 3632 | case bfd_mach_mcf_isa_c_nodiv: id = "isa-c:nodiv"; break; |
| 3633 | case bfd_mach_mcf_isa_c_nodiv_mac: id = "isa-c:nodiv:mac"; break; |
| 3634 | case bfd_mach_mcf_isa_c_nodiv_emac: id = "isa-c:nodiv:emac"; break; |
| 3635 | } |
| 3636 | |
| 3637 | if (! ieee_write_id (abfd, id)) |
| 3638 | return FALSE; |
| 3639 | } |
| 3640 | break; |
| 3641 | } |
| 3642 | |
| 3643 | return TRUE; |
| 3644 | } |
| 3645 | |
| 3646 | static bfd_boolean |
| 3647 | ieee_write_object_contents (bfd *abfd) |
| 3648 | { |
| 3649 | ieee_data_type *ieee = IEEE_DATA (abfd); |
| 3650 | unsigned int i; |
| 3651 | file_ptr old; |
| 3652 | |
| 3653 | /* Fast forward over the header area. */ |
| 3654 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
| 3655 | return FALSE; |
| 3656 | |
| 3657 | if (! ieee_write_byte (abfd, ieee_module_beginning_enum) |
| 3658 | || ! ieee_write_processor (abfd) |
| 3659 | || ! ieee_write_id (abfd, abfd->filename)) |
| 3660 | return FALSE; |
| 3661 | |
| 3662 | /* Fast forward over the variable bits. */ |
| 3663 | if (! ieee_write_byte (abfd, ieee_address_descriptor_enum)) |
| 3664 | return FALSE; |
| 3665 | |
| 3666 | /* Bits per MAU. */ |
| 3667 | if (! ieee_write_byte (abfd, (bfd_byte) (bfd_arch_bits_per_byte (abfd)))) |
| 3668 | return FALSE; |
| 3669 | /* MAU's per address. */ |
| 3670 | if (! ieee_write_byte (abfd, |
| 3671 | (bfd_byte) (bfd_arch_bits_per_address (abfd) |
| 3672 | / bfd_arch_bits_per_byte (abfd)))) |
| 3673 | return FALSE; |
| 3674 | |
| 3675 | old = bfd_tell (abfd); |
| 3676 | if (bfd_seek (abfd, (file_ptr) (8 * N_W_VARIABLES), SEEK_CUR) != 0) |
| 3677 | return FALSE; |
| 3678 | |
| 3679 | ieee->w.r.extension_record = bfd_tell (abfd); |
| 3680 | if (bfd_bwrite ((char *) exten, (bfd_size_type) sizeof (exten), abfd) |
| 3681 | != sizeof (exten)) |
| 3682 | return FALSE; |
| 3683 | if (abfd->flags & EXEC_P) |
| 3684 | { |
| 3685 | if (! ieee_write_byte (abfd, 0x1)) /* Absolute. */ |
| 3686 | return FALSE; |
| 3687 | } |
| 3688 | else |
| 3689 | { |
| 3690 | if (! ieee_write_byte (abfd, 0x2)) /* Relocateable. */ |
| 3691 | return FALSE; |
| 3692 | } |
| 3693 | |
| 3694 | ieee->w.r.environmental_record = bfd_tell (abfd); |
| 3695 | if (bfd_bwrite ((char *) envi, (bfd_size_type) sizeof (envi), abfd) |
| 3696 | != sizeof (envi)) |
| 3697 | return FALSE; |
| 3698 | |
| 3699 | /* The HP emulator database requires a timestamp in the file. */ |
| 3700 | { |
| 3701 | time_t now; |
| 3702 | const struct tm *t; |
| 3703 | |
| 3704 | time (&now); |
| 3705 | t = (struct tm *) localtime (&now); |
| 3706 | if (! ieee_write_2bytes (abfd, (int) ieee_atn_record_enum) |
| 3707 | || ! ieee_write_byte (abfd, 0x21) |
| 3708 | || ! ieee_write_byte (abfd, 0) |
| 3709 | || ! ieee_write_byte (abfd, 50) |
| 3710 | || ! ieee_write_int (abfd, (bfd_vma) (t->tm_year + 1900)) |
| 3711 | || ! ieee_write_int (abfd, (bfd_vma) (t->tm_mon + 1)) |
| 3712 | || ! ieee_write_int (abfd, (bfd_vma) t->tm_mday) |
| 3713 | || ! ieee_write_int (abfd, (bfd_vma) t->tm_hour) |
| 3714 | || ! ieee_write_int (abfd, (bfd_vma) t->tm_min) |
| 3715 | || ! ieee_write_int (abfd, (bfd_vma) t->tm_sec)) |
| 3716 | return FALSE; |
| 3717 | } |
| 3718 | |
| 3719 | output_bfd = abfd; |
| 3720 | |
| 3721 | flush (); |
| 3722 | |
| 3723 | if (! ieee_write_section_part (abfd)) |
| 3724 | return FALSE; |
| 3725 | /* First write the symbols. This changes their values into table |
| 3726 | indeces so we cant use it after this point. */ |
| 3727 | if (! ieee_write_external_part (abfd)) |
| 3728 | return FALSE; |
| 3729 | |
| 3730 | /* Write any debugs we have been told about. */ |
| 3731 | if (! ieee_write_debug_part (abfd)) |
| 3732 | return FALSE; |
| 3733 | |
| 3734 | /* Can only write the data once the symbols have been written, since |
| 3735 | the data contains relocation information which points to the |
| 3736 | symbols. */ |
| 3737 | if (! ieee_write_data_part (abfd)) |
| 3738 | return FALSE; |
| 3739 | |
| 3740 | /* At the end we put the end! */ |
| 3741 | if (! ieee_write_me_part (abfd)) |
| 3742 | return FALSE; |
| 3743 | |
| 3744 | /* Generate the header. */ |
| 3745 | if (bfd_seek (abfd, old, SEEK_SET) != 0) |
| 3746 | return FALSE; |
| 3747 | |
| 3748 | for (i = 0; i < N_W_VARIABLES; i++) |
| 3749 | { |
| 3750 | if (! ieee_write_2bytes (abfd, ieee_assign_value_to_variable_enum) |
| 3751 | || ! ieee_write_byte (abfd, (bfd_byte) i) |
| 3752 | || ! ieee_write_int5_out (abfd, (bfd_vma) ieee->w.offset[i])) |
| 3753 | return FALSE; |
| 3754 | } |
| 3755 | |
| 3756 | return TRUE; |
| 3757 | } |
| 3758 | \f |
| 3759 | /* Native-level interface to symbols. */ |
| 3760 | |
| 3761 | /* We read the symbols into a buffer, which is discarded when this |
| 3762 | function exits. We read the strings into a buffer large enough to |
| 3763 | hold them all plus all the cached symbol entries. */ |
| 3764 | |
| 3765 | static asymbol * |
| 3766 | ieee_make_empty_symbol (bfd *abfd) |
| 3767 | { |
| 3768 | bfd_size_type amt = sizeof (ieee_symbol_type); |
| 3769 | ieee_symbol_type *new_symbol = (ieee_symbol_type *) bfd_zalloc (abfd, amt); |
| 3770 | |
| 3771 | if (!new_symbol) |
| 3772 | return NULL; |
| 3773 | new_symbol->symbol.the_bfd = abfd; |
| 3774 | return &new_symbol->symbol; |
| 3775 | } |
| 3776 | |
| 3777 | static bfd * |
| 3778 | ieee_openr_next_archived_file (bfd *arch, bfd *prev) |
| 3779 | { |
| 3780 | ieee_ar_data_type *ar = IEEE_AR_DATA (arch); |
| 3781 | |
| 3782 | /* Take the next one from the arch state, or reset. */ |
| 3783 | if (prev == (bfd *) NULL) |
| 3784 | /* Reset the index - the first two entries are bogus. */ |
| 3785 | ar->element_index = 2; |
| 3786 | |
| 3787 | while (TRUE) |
| 3788 | { |
| 3789 | ieee_ar_obstack_type *p = ar->elements + ar->element_index; |
| 3790 | |
| 3791 | ar->element_index++; |
| 3792 | if (ar->element_index <= ar->element_count) |
| 3793 | { |
| 3794 | if (p->file_offset != (file_ptr) 0) |
| 3795 | { |
| 3796 | if (p->abfd == (bfd *) NULL) |
| 3797 | { |
| 3798 | p->abfd = _bfd_create_empty_archive_element_shell (arch); |
| 3799 | p->abfd->origin = p->file_offset; |
| 3800 | } |
| 3801 | return p->abfd; |
| 3802 | } |
| 3803 | } |
| 3804 | else |
| 3805 | { |
| 3806 | bfd_set_error (bfd_error_no_more_archived_files); |
| 3807 | return NULL; |
| 3808 | } |
| 3809 | } |
| 3810 | } |
| 3811 | |
| 3812 | #define ieee_find_nearest_line _bfd_nosymbols_find_nearest_line |
| 3813 | #define ieee_find_line _bfd_nosymbols_find_line |
| 3814 | #define ieee_find_inliner_info _bfd_nosymbols_find_inliner_info |
| 3815 | |
| 3816 | static int |
| 3817 | ieee_generic_stat_arch_elt (bfd *abfd, struct stat *buf) |
| 3818 | { |
| 3819 | ieee_ar_data_type *ar = (ieee_ar_data_type *) NULL; |
| 3820 | ieee_data_type *ieee; |
| 3821 | |
| 3822 | if (abfd->my_archive != NULL) |
| 3823 | ar = abfd->my_archive->tdata.ieee_ar_data; |
| 3824 | if (ar == (ieee_ar_data_type *) NULL) |
| 3825 | { |
| 3826 | bfd_set_error (bfd_error_invalid_operation); |
| 3827 | return -1; |
| 3828 | } |
| 3829 | |
| 3830 | if (IEEE_DATA (abfd) == NULL) |
| 3831 | { |
| 3832 | if (ieee_object_p (abfd) == NULL) |
| 3833 | { |
| 3834 | bfd_set_error (bfd_error_wrong_format); |
| 3835 | return -1; |
| 3836 | } |
| 3837 | } |
| 3838 | |
| 3839 | ieee = IEEE_DATA (abfd); |
| 3840 | |
| 3841 | buf->st_size = ieee->w.r.me_record + 1; |
| 3842 | buf->st_mode = 0644; |
| 3843 | return 0; |
| 3844 | } |
| 3845 | |
| 3846 | static int |
| 3847 | ieee_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
| 3848 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
| 3849 | { |
| 3850 | return 0; |
| 3851 | } |
| 3852 | |
| 3853 | #define ieee_close_and_cleanup _bfd_generic_close_and_cleanup |
| 3854 | #define ieee_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
| 3855 | |
| 3856 | #define ieee_slurp_armap _bfd_bool_bfd_true |
| 3857 | #define ieee_slurp_extended_name_table _bfd_bool_bfd_true |
| 3858 | #define ieee_construct_extended_name_table \ |
| 3859 | _bfd_noarchive_construct_extended_name_table |
| 3860 | #define ieee_truncate_arname bfd_dont_truncate_arname |
| 3861 | #define ieee_write_armap _bfd_noarchive_write_armap |
| 3862 | #define ieee_read_ar_hdr _bfd_ptr_bfd_null_error |
| 3863 | #define ieee_write_ar_hdr _bfd_noarchive_write_ar_hdr |
| 3864 | #define ieee_update_armap_timestamp _bfd_bool_bfd_true |
| 3865 | #define ieee_get_elt_at_index _bfd_generic_get_elt_at_index |
| 3866 | |
| 3867 | #define ieee_get_symbol_version_string \ |
| 3868 | _bfd_nosymbols_get_symbol_version_string |
| 3869 | #define ieee_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false |
| 3870 | #define ieee_bfd_is_local_label_name bfd_generic_is_local_label_name |
| 3871 | #define ieee_get_lineno _bfd_nosymbols_get_lineno |
| 3872 | #define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
| 3873 | #define ieee_read_minisymbols _bfd_generic_read_minisymbols |
| 3874 | #define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
| 3875 | |
| 3876 | #define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
| 3877 | #define ieee_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup |
| 3878 | |
| 3879 | #define ieee_set_arch_mach _bfd_generic_set_arch_mach |
| 3880 | |
| 3881 | #define ieee_get_section_contents_in_window \ |
| 3882 | _bfd_generic_get_section_contents_in_window |
| 3883 | #define ieee_bfd_get_relocated_section_contents \ |
| 3884 | bfd_generic_get_relocated_section_contents |
| 3885 | #define ieee_bfd_relax_section bfd_generic_relax_section |
| 3886 | #define ieee_bfd_gc_sections bfd_generic_gc_sections |
| 3887 | #define ieee_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
| 3888 | #define ieee_bfd_merge_sections bfd_generic_merge_sections |
| 3889 | #define ieee_bfd_is_group_section bfd_generic_is_group_section |
| 3890 | #define ieee_bfd_discard_group bfd_generic_discard_group |
| 3891 | #define ieee_section_already_linked \ |
| 3892 | _bfd_generic_section_already_linked |
| 3893 | #define ieee_bfd_define_common_symbol bfd_generic_define_common_symbol |
| 3894 | #define ieee_bfd_define_start_stop bfd_generic_define_start_stop |
| 3895 | #define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
| 3896 | #define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols |
| 3897 | #define ieee_bfd_link_just_syms _bfd_generic_link_just_syms |
| 3898 | #define ieee_bfd_copy_link_hash_symbol_type \ |
| 3899 | _bfd_generic_copy_link_hash_symbol_type |
| 3900 | #define ieee_bfd_final_link _bfd_generic_final_link |
| 3901 | #define ieee_bfd_link_split_section _bfd_generic_link_split_section |
| 3902 | #define ieee_bfd_link_check_relocs _bfd_generic_link_check_relocs |
| 3903 | #define ieee_set_reloc _bfd_generic_set_reloc |
| 3904 | |
| 3905 | const bfd_target ieee_vec = |
| 3906 | { |
| 3907 | "ieee", /* Name. */ |
| 3908 | bfd_target_ieee_flavour, |
| 3909 | BFD_ENDIAN_UNKNOWN, /* Target byte order. */ |
| 3910 | BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ |
| 3911 | (HAS_RELOC | EXEC_P | /* Object flags. */ |
| 3912 | HAS_LINENO | HAS_DEBUG | |
| 3913 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), |
| 3914 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS |
| 3915 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
| 3916 | '_', /* Leading underscore. */ |
| 3917 | ' ', /* AR_pad_char. */ |
| 3918 | 16, /* AR_max_namelen. */ |
| 3919 | 0, /* match priority. */ |
| 3920 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 3921 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 3922 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
| 3923 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 3924 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 3925 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
| 3926 | |
| 3927 | {_bfd_dummy_target, |
| 3928 | ieee_object_p, /* bfd_check_format. */ |
| 3929 | ieee_archive_p, |
| 3930 | _bfd_dummy_target, |
| 3931 | }, |
| 3932 | { |
| 3933 | _bfd_bool_bfd_false_error, |
| 3934 | ieee_mkobject, |
| 3935 | _bfd_generic_mkarchive, |
| 3936 | _bfd_bool_bfd_false_error |
| 3937 | }, |
| 3938 | { |
| 3939 | _bfd_bool_bfd_false_error, |
| 3940 | ieee_write_object_contents, |
| 3941 | _bfd_write_archive_contents, |
| 3942 | _bfd_bool_bfd_false_error, |
| 3943 | }, |
| 3944 | |
| 3945 | /* ieee_close_and_cleanup, ieee_bfd_free_cached_info, ieee_new_section_hook, |
| 3946 | ieee_get_section_contents, ieee_get_section_contents_in_window. */ |
| 3947 | BFD_JUMP_TABLE_GENERIC (ieee), |
| 3948 | |
| 3949 | BFD_JUMP_TABLE_COPY (_bfd_generic), |
| 3950 | BFD_JUMP_TABLE_CORE (_bfd_nocore), |
| 3951 | |
| 3952 | /* ieee_slurp_armap, ieee_slurp_extended_name_table, |
| 3953 | ieee_construct_extended_name_table, ieee_truncate_arname, |
| 3954 | ieee_write_armap, ieee_read_ar_hdr, ieee_openr_next_archived_file, |
| 3955 | ieee_get_elt_at_index, ieee_generic_stat_arch_elt, |
| 3956 | ieee_update_armap_timestamp. */ |
| 3957 | BFD_JUMP_TABLE_ARCHIVE (ieee), |
| 3958 | |
| 3959 | /* ieee_get_symtab_upper_bound, ieee_canonicalize_symtab, |
| 3960 | ieee_make_empty_symbol, ieee_print_symbol, ieee_get_symbol_info, |
| 3961 | ieee_bfd_is_local_label_name, ieee_get_lineno, |
| 3962 | ieee_find_nearest_line, ieee_bfd_make_debug_symbol, |
| 3963 | ieee_read_minisymbols, ieee_minisymbol_to_symbol. */ |
| 3964 | BFD_JUMP_TABLE_SYMBOLS (ieee), |
| 3965 | |
| 3966 | /* ieee_get_reloc_upper_bound, ieee_canonicalize_reloc, |
| 3967 | ieee_bfd_reloc_type_lookup. */ |
| 3968 | BFD_JUMP_TABLE_RELOCS (ieee), |
| 3969 | |
| 3970 | /* ieee_set_arch_mach, ieee_set_section_contents. */ |
| 3971 | BFD_JUMP_TABLE_WRITE (ieee), |
| 3972 | |
| 3973 | /* ieee_sizeof_headers, ieee_bfd_get_relocated_section_contents, |
| 3974 | ieee_bfd_relax_section, ieee_bfd_link_hash_table_create, |
| 3975 | ieee_bfd_link_add_symbols, ieee_bfd_final_link, |
| 3976 | ieee_bfd_link_split_section, ieee_bfd_gc_sections, |
| 3977 | ieee_bfd_merge_sections. */ |
| 3978 | BFD_JUMP_TABLE_LINK (ieee), |
| 3979 | |
| 3980 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
| 3981 | |
| 3982 | NULL, |
| 3983 | |
| 3984 | NULL |
| 3985 | }; |