| 1 | /* evax-etir.c -- BFD back-end for ALPHA EVAX (openVMS/Alpha) files. |
| 2 | Copyright 1996, 1997 Free Software Foundation, Inc. |
| 3 | ETIR record handling functions |
| 4 | |
| 5 | go and read the openVMS linker manual (esp. appendix B) |
| 6 | if you don't know what's going on here :-) |
| 7 | |
| 8 | Written by Klaus K"ampf (kkaempf@progis.de) |
| 9 | of proGIS Softwareentwicklung, Aachen, Germany |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software |
| 23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 24 | |
| 25 | |
| 26 | /* The following type abbreviations are used: |
| 27 | |
| 28 | cs counted string (ascii string with length byte) |
| 29 | by byte (1 byte) |
| 30 | sh short (2 byte, 16 bit) |
| 31 | lw longword (4 byte, 32 bit) |
| 32 | qw quadword (8 byte, 64 bit) |
| 33 | da data stream */ |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <ctype.h> |
| 37 | |
| 38 | #include "bfd.h" |
| 39 | #include "sysdep.h" |
| 40 | #include "bfdlink.h" |
| 41 | #include "libbfd.h" |
| 42 | |
| 43 | #include "evax.h" |
| 44 | |
| 45 | #if 0 |
| 46 | static void location_save |
| 47 | PARAMS ((bfd *abfd, unsigned long index, unsigned long loc, int section)); |
| 48 | static unsigned long location_restore |
| 49 | PARAMS ((bfd *abfd, unsigned long index, int *section)); |
| 50 | #endif /* 0 */ |
| 51 | |
| 52 | static void image_set_ptr PARAMS ((bfd *abfd, int psect, uquad offset)); |
| 53 | static void image_inc_ptr PARAMS ((bfd *abfd, uquad offset)); |
| 54 | static void image_dump PARAMS ((bfd *abfd, unsigned char *ptr, int size, int offset)); |
| 55 | static void image_write_b PARAMS ((bfd *abfd, unsigned int value)); |
| 56 | static void image_write_w PARAMS ((bfd *abfd, unsigned int value)); |
| 57 | static void image_write_l PARAMS ((bfd *abfd, unsigned long value)); |
| 58 | static void image_write_q PARAMS ((bfd *abfd, uquad value)); |
| 59 | |
| 60 | /*-----------------------------------------------------------------------------*/ |
| 61 | |
| 62 | #if 0 |
| 63 | |
| 64 | /* Save location counter at index */ |
| 65 | |
| 66 | static void |
| 67 | location_save (abfd, index, loc, section) |
| 68 | bfd *abfd; |
| 69 | unsigned long index; |
| 70 | unsigned long loc; |
| 71 | int section; |
| 72 | { |
| 73 | PRIV(location_stack)[index].value = loc; |
| 74 | PRIV(location_stack)[index].psect = section; |
| 75 | |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | /* Restore location counter from index */ |
| 80 | |
| 81 | static unsigned long |
| 82 | location_restore (abfd, index, section) |
| 83 | bfd *abfd; |
| 84 | unsigned long index; |
| 85 | int *section; |
| 86 | { |
| 87 | if (section != NULL) |
| 88 | *section = PRIV(location_stack)[index].psect; |
| 89 | return PRIV(location_stack)[index].value; |
| 90 | } |
| 91 | |
| 92 | #endif /* 0 */ |
| 93 | \f |
| 94 | /* routines to fill sections contents during etir read */ |
| 95 | |
| 96 | /* Initialize image buffer pointer to be filled */ |
| 97 | |
| 98 | static void |
| 99 | image_set_ptr (abfd, psect, offset) |
| 100 | bfd *abfd; |
| 101 | int psect; |
| 102 | uquad offset; |
| 103 | { |
| 104 | #if EVAX_DEBUG |
| 105 | evax_debug (4, "image_set_ptr(%d=%s, %d)\n", |
| 106 | psect, PRIV(sections)[psect]->name, offset); |
| 107 | #endif |
| 108 | |
| 109 | PRIV(image_ptr) = PRIV(sections)[psect]->contents + offset; |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | |
| 114 | /* Increment image buffer pointer by offset */ |
| 115 | |
| 116 | static void |
| 117 | image_inc_ptr (abfd, offset) |
| 118 | bfd *abfd; |
| 119 | uquad offset; |
| 120 | { |
| 121 | #if EVAX_DEBUG |
| 122 | evax_debug (4, "image_inc_ptr(%d)\n", offset); |
| 123 | #endif |
| 124 | |
| 125 | PRIV(image_ptr) += offset; |
| 126 | |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* Dump multiple bytes to section image */ |
| 132 | |
| 133 | static void |
| 134 | image_dump (abfd, ptr, size, offset) |
| 135 | bfd *abfd; |
| 136 | unsigned char *ptr; |
| 137 | int size; |
| 138 | int offset; |
| 139 | { |
| 140 | #if EVAX_DEBUG |
| 141 | evax_debug (6, "image_dump from (%p, %d) to (%p)\n", ptr, size, PRIV(image_ptr)); |
| 142 | _bfd_hexdump (7, ptr, size, offset); |
| 143 | #endif |
| 144 | |
| 145 | while (size-- > 0) |
| 146 | *PRIV(image_ptr)++ = *ptr++; |
| 147 | return; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | /* Write byte to section image */ |
| 152 | |
| 153 | static void |
| 154 | image_write_b (abfd, value) |
| 155 | bfd *abfd; |
| 156 | unsigned int value; |
| 157 | { |
| 158 | #if EVAX_DEBUG |
| 159 | evax_debug (6, "image_write_b(%02x)\n", (int)value); |
| 160 | #endif |
| 161 | |
| 162 | *PRIV(image_ptr)++ = (value & 0xff); |
| 163 | return; |
| 164 | } |
| 165 | |
| 166 | |
| 167 | /* Write 2-byte word to image */ |
| 168 | |
| 169 | static void |
| 170 | image_write_w (abfd, value) |
| 171 | bfd *abfd; |
| 172 | unsigned int value; |
| 173 | { |
| 174 | #if EVAX_DEBUG |
| 175 | evax_debug (6, "image_write_w(%04x)\n", (int)value); |
| 176 | #endif |
| 177 | |
| 178 | bfd_putl16 (value, PRIV(image_ptr)); |
| 179 | PRIV(image_ptr) += 2; |
| 180 | |
| 181 | return; |
| 182 | } |
| 183 | |
| 184 | |
| 185 | /* Write 4-byte long to image */ |
| 186 | |
| 187 | static void |
| 188 | image_write_l (abfd, value) |
| 189 | bfd *abfd; |
| 190 | unsigned long value; |
| 191 | { |
| 192 | #if EVAX_DEBUG |
| 193 | evax_debug (6, "image_write_l(%08lx)\n", value); |
| 194 | #endif |
| 195 | |
| 196 | bfd_putl32 (value, PRIV(image_ptr)); |
| 197 | PRIV(image_ptr) += 4; |
| 198 | |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | |
| 203 | /* Write 4-byte long to image */ |
| 204 | |
| 205 | static void |
| 206 | image_write_q (abfd, value) |
| 207 | bfd *abfd; |
| 208 | uquad value; |
| 209 | { |
| 210 | #if EVAX_DEBUG |
| 211 | evax_debug (6, "image_write_q(%016lx)\n", value); |
| 212 | #endif |
| 213 | |
| 214 | bfd_putl64 (value, PRIV(image_ptr)); |
| 215 | PRIV(image_ptr) += 8; |
| 216 | |
| 217 | return; |
| 218 | } |
| 219 | \f |
| 220 | |
| 221 | #define HIGHBIT(op) ((op & 0x80000000L) == 0x80000000L) |
| 222 | |
| 223 | /* etir_sta |
| 224 | |
| 225 | evax stack commands |
| 226 | |
| 227 | handle sta_xxx commands in etir section |
| 228 | ptr points to data area in record |
| 229 | |
| 230 | see table B-8 of the openVMS linker manual */ |
| 231 | |
| 232 | static boolean |
| 233 | etir_sta (abfd, cmd, ptr) |
| 234 | bfd *abfd; |
| 235 | int cmd; |
| 236 | unsigned char *ptr; |
| 237 | { |
| 238 | |
| 239 | switch (cmd) |
| 240 | { |
| 241 | /* stack */ |
| 242 | |
| 243 | /* stack global |
| 244 | arg: cs symbol name |
| 245 | |
| 246 | stack 32 bit value of symbol (high bits set to 0) */ |
| 247 | |
| 248 | case ETIR_S_C_STA_GBL: |
| 249 | { |
| 250 | char *name; |
| 251 | evax_symbol_entry *entry; |
| 252 | |
| 253 | name = _bfd_evax_save_counted_string ((char *)ptr); |
| 254 | entry = (evax_symbol_entry *) |
| 255 | bfd_hash_lookup (PRIV(evax_symbol_table), name, false, false); |
| 256 | if (entry == (evax_symbol_entry *)NULL) |
| 257 | { |
| 258 | #if EVAX_DEBUG |
| 259 | evax_debug (3, "ETIR_S_C_STA_GBL: no symbol \"%s\"\n", name); |
| 260 | #endif |
| 261 | return false; |
| 262 | } |
| 263 | else |
| 264 | { |
| 265 | _bfd_evax_push (abfd, (uquad)(entry->symbol->value), -1); |
| 266 | } |
| 267 | } |
| 268 | break; |
| 269 | |
| 270 | /* stack longword |
| 271 | arg: lw value |
| 272 | |
| 273 | stack 32 bit value, sign extend to 64 bit */ |
| 274 | |
| 275 | case ETIR_S_C_STA_LW: |
| 276 | _bfd_evax_push (abfd, (uquad)bfd_getl32 (ptr), -1); |
| 277 | break; |
| 278 | |
| 279 | /* stack global |
| 280 | arg: qw value |
| 281 | |
| 282 | stack 64 bit value of symbol */ |
| 283 | |
| 284 | case ETIR_S_C_STA_QW: |
| 285 | _bfd_evax_push (abfd, (uquad)bfd_getl64(ptr), -1); |
| 286 | break; |
| 287 | |
| 288 | /* stack psect base plus quadword offset |
| 289 | arg: lw section index |
| 290 | qw signed quadword offset (low 32 bits) |
| 291 | |
| 292 | stack qw argument and section index |
| 293 | (see ETIR_S_C_STO_OFF, ETIR_S_C_CTL_SETRB) */ |
| 294 | |
| 295 | case ETIR_S_C_STA_PQ: |
| 296 | { |
| 297 | uquad dummy; |
| 298 | int psect; |
| 299 | |
| 300 | psect = bfd_getl32 (ptr); |
| 301 | if (psect >= PRIV(egsd_sec_count)) |
| 302 | { |
| 303 | (*_bfd_error_handler) ("Bad section index in ETIR_S_C_STA_PQ"); |
| 304 | bfd_set_error (bfd_error_bad_value); |
| 305 | return false; |
| 306 | } |
| 307 | dummy = bfd_getl64 (ptr+4); |
| 308 | _bfd_evax_push (abfd, dummy, psect); |
| 309 | } |
| 310 | break; |
| 311 | |
| 312 | /* all not supported */ |
| 313 | |
| 314 | case ETIR_S_C_STA_LI: |
| 315 | case ETIR_S_C_STA_MOD: |
| 316 | case ETIR_S_C_STA_CKARG: |
| 317 | |
| 318 | (*_bfd_error_handler) ("Unsupported STA cmd %d", cmd); |
| 319 | return false; |
| 320 | break; |
| 321 | |
| 322 | default: |
| 323 | (*_bfd_error_handler) ("Reserved STA cmd %d", cmd); |
| 324 | return false; |
| 325 | break; |
| 326 | } |
| 327 | return true; |
| 328 | } |
| 329 | |
| 330 | |
| 331 | /* |
| 332 | etir_sto |
| 333 | |
| 334 | evax store commands |
| 335 | |
| 336 | handle sto_xxx commands in etir section |
| 337 | ptr points to data area in record |
| 338 | |
| 339 | see table B-9 of the openVMS linker manual */ |
| 340 | |
| 341 | static boolean |
| 342 | etir_sto (abfd, cmd, ptr) |
| 343 | bfd *abfd; |
| 344 | int cmd; |
| 345 | unsigned char *ptr; |
| 346 | { |
| 347 | uquad dummy; |
| 348 | int psect; |
| 349 | |
| 350 | switch (cmd) |
| 351 | { |
| 352 | |
| 353 | /* store byte: pop stack, write byte |
| 354 | arg: - */ |
| 355 | |
| 356 | case ETIR_S_C_STO_B: |
| 357 | dummy = _bfd_evax_pop (abfd, &psect); |
| 358 | #if 0 |
| 359 | if (is_share) /* FIXME */ |
| 360 | (*_bfd_error_handler) ("ETIR_S_C_STO_B: byte fixups not supported"); |
| 361 | #endif |
| 362 | image_write_b (abfd, dummy & 0xff); /* FIXME: check top bits */ |
| 363 | break; |
| 364 | |
| 365 | /* store word: pop stack, write word |
| 366 | arg: - */ |
| 367 | |
| 368 | case ETIR_S_C_STO_W: |
| 369 | dummy = _bfd_evax_pop (abfd, &psect); |
| 370 | #if 0 |
| 371 | if (is_share) /* FIXME */ |
| 372 | (*_bfd_error_handler) ("ETIR_S_C_STO_B: word fixups not supported"); |
| 373 | #endif |
| 374 | image_write_w (abfd, dummy & 0xffff); /* FIXME: check top bits */ |
| 375 | break; |
| 376 | |
| 377 | /* store longword: pop stack, write longword |
| 378 | arg: - */ |
| 379 | |
| 380 | case ETIR_S_C_STO_LW: |
| 381 | dummy = _bfd_evax_pop (abfd, &psect); |
| 382 | dummy += (PRIV(sections)[psect])->vma; |
| 383 | image_write_l (abfd, dummy & 0xffffffff);/* FIXME: check top bits */ |
| 384 | #if 0 /* FIXME */ |
| 385 | if (is_rel) |
| 386 | evax_debug (3, "ETIR_S_C_STO_LW: Relocation !\n"); |
| 387 | if (is_share) |
| 388 | evax_debug (3, "ETIR_S_C_STO_LW: Fix-up share !\n"); |
| 389 | #endif |
| 390 | break; |
| 391 | |
| 392 | /* store quadword: pop stack, write quadword |
| 393 | arg: - */ |
| 394 | |
| 395 | case ETIR_S_C_STO_QW: |
| 396 | dummy = _bfd_evax_pop (abfd, &psect); |
| 397 | dummy += (PRIV(sections)[psect])->vma; |
| 398 | image_write_q(abfd, dummy); /* FIXME: check top bits */ |
| 399 | #if 0 /* FIXME */ |
| 400 | if (is_rel) |
| 401 | evax_debug (3, "ETIR_S_C_STO_LW: Relocation !\n"); |
| 402 | if (is_share) |
| 403 | evax_debug (3, "ETIR_S_C_STO_LW: Fix-up share !\n"); |
| 404 | #endif |
| 405 | break; |
| 406 | |
| 407 | /* store immediate repeated: pop stack for repeat count |
| 408 | arg: lw byte count |
| 409 | da data */ |
| 410 | |
| 411 | case ETIR_S_C_STO_IMMR: |
| 412 | { |
| 413 | unsigned long size; |
| 414 | |
| 415 | size = bfd_getl32 (ptr); |
| 416 | dummy = (unsigned long)_bfd_evax_pop (abfd, NULL); |
| 417 | while (dummy-- > 0L) |
| 418 | image_dump (abfd, ptr+4, size, 0); |
| 419 | } |
| 420 | break; |
| 421 | |
| 422 | /* store global: write symbol value |
| 423 | arg: cs global symbol name */ |
| 424 | |
| 425 | case ETIR_S_C_STO_GBL: |
| 426 | { |
| 427 | evax_symbol_entry *entry; |
| 428 | char *name; |
| 429 | |
| 430 | name = _bfd_evax_save_counted_string ((char *)ptr); |
| 431 | entry = (evax_symbol_entry *)bfd_hash_lookup (PRIV(evax_symbol_table), name, false, false); |
| 432 | if (entry == (evax_symbol_entry *)NULL) |
| 433 | { |
| 434 | (*_bfd_error_handler) ("ETIR_S_C_STO_GBL: no symbol \"%s\"", |
| 435 | name); |
| 436 | return false; |
| 437 | } |
| 438 | else |
| 439 | image_write_q (abfd, (uquad)(entry->symbol->value)); /* FIXME, reloc */ |
| 440 | } |
| 441 | break; |
| 442 | |
| 443 | /* store code address: write address of entry point |
| 444 | arg: cs global symbol name (procedure) */ |
| 445 | |
| 446 | case ETIR_S_C_STO_CA: |
| 447 | { |
| 448 | evax_symbol_entry *entry; |
| 449 | char *name; |
| 450 | |
| 451 | name = _bfd_evax_save_counted_string ((char *)ptr); |
| 452 | entry = (evax_symbol_entry *) bfd_hash_lookup (PRIV(evax_symbol_table), name, false, false); |
| 453 | if (entry == (evax_symbol_entry *)NULL) |
| 454 | { |
| 455 | (*_bfd_error_handler) ("ETIR_S_C_STO_CA: no symbol \"%s\"", |
| 456 | name); |
| 457 | return false; |
| 458 | } |
| 459 | else |
| 460 | image_write_q (abfd, (uquad)(entry->symbol->value)); /* FIXME, reloc */ |
| 461 | } |
| 462 | break; |
| 463 | |
| 464 | /* not supported */ |
| 465 | |
| 466 | case ETIR_S_C_STO_RB: |
| 467 | case ETIR_S_C_STO_AB: |
| 468 | (*_bfd_error_handler) ("ETIR_S_C_STO_RB/AB: Not supported"); |
| 469 | break; |
| 470 | |
| 471 | /* store offset to psect: pop stack, add low 32 bits to base of psect |
| 472 | arg: - */ |
| 473 | |
| 474 | case ETIR_S_C_STO_OFF: |
| 475 | { |
| 476 | uquad q; |
| 477 | int psect; |
| 478 | |
| 479 | q = _bfd_evax_pop (abfd, &psect); |
| 480 | q += (PRIV(sections)[psect])->vma; |
| 481 | image_write_q (abfd, q); |
| 482 | } |
| 483 | break; |
| 484 | |
| 485 | /* store immediate |
| 486 | arg: lw count of bytes |
| 487 | da data */ |
| 488 | |
| 489 | case ETIR_S_C_STO_IMM: |
| 490 | { |
| 491 | int size; |
| 492 | |
| 493 | size = bfd_getl32 (ptr); |
| 494 | image_dump (abfd, ptr+4, size, 0); |
| 495 | } |
| 496 | break; |
| 497 | |
| 498 | /* this code is 'reserved to digital' according to the openVMS linker manual, |
| 499 | however it is generated by the DEC C compiler and defined in the include file. |
| 500 | FIXME, since the following is just a guess |
| 501 | store global longword: store 32bit value of symbol |
| 502 | arg: cs symbol name */ |
| 503 | |
| 504 | case ETIR_S_C_STO_GBL_LW: |
| 505 | { |
| 506 | evax_symbol_entry *entry; |
| 507 | char *name; |
| 508 | |
| 509 | name = _bfd_evax_save_counted_string ((char *)ptr); |
| 510 | entry = (evax_symbol_entry *)bfd_hash_lookup (PRIV(evax_symbol_table), name, false, false); |
| 511 | if (entry == (evax_symbol_entry *)NULL) |
| 512 | { |
| 513 | #if EVAX_DEBUG |
| 514 | evax_debug (3, "ETIR_S_C_STO_GBL_LW: no symbol \"%s\"\n", name); |
| 515 | #endif |
| 516 | return false; |
| 517 | } |
| 518 | else |
| 519 | image_write_l (abfd, (unsigned long)(entry->symbol->value)); /* FIXME, reloc */ |
| 520 | } |
| 521 | break; |
| 522 | |
| 523 | /* not supported */ |
| 524 | |
| 525 | case ETIR_S_C_STO_LP_PSB: |
| 526 | (*_bfd_error_handler) ("ETIR_S_C_STO_LP_PSB: Not supported"); |
| 527 | break; |
| 528 | |
| 529 | /* */ |
| 530 | |
| 531 | case ETIR_S_C_STO_HINT_GBL: |
| 532 | (*_bfd_error_handler) ("ETIR_S_C_STO_HINT_GBL: not implemented"); |
| 533 | break; |
| 534 | |
| 535 | /* */ |
| 536 | |
| 537 | case ETIR_S_C_STO_HINT_PS: |
| 538 | (*_bfd_error_handler) ("ETIR_S_C_STO_HINT_PS: not implemented"); |
| 539 | break; |
| 540 | |
| 541 | default: |
| 542 | (*_bfd_error_handler) ("Reserved STO cmd %d", cmd); |
| 543 | break; |
| 544 | } |
| 545 | |
| 546 | return true; |
| 547 | } |
| 548 | |
| 549 | /* stack operator commands |
| 550 | all 32 bit signed arithmetic |
| 551 | all word just like a stack calculator |
| 552 | arguments are popped from stack, results are pushed on stack |
| 553 | |
| 554 | see table B-10 of the openVMS linker manual */ |
| 555 | |
| 556 | static boolean |
| 557 | etir_opr (abfd, cmd, ptr) |
| 558 | bfd *abfd; |
| 559 | int cmd; |
| 560 | unsigned char *ptr; |
| 561 | { |
| 562 | long op1, op2; |
| 563 | |
| 564 | switch (cmd) |
| 565 | { |
| 566 | /* operation */ |
| 567 | |
| 568 | /* no-op */ |
| 569 | |
| 570 | case ETIR_S_C_OPR_NOP: |
| 571 | break; |
| 572 | |
| 573 | /* add */ |
| 574 | |
| 575 | case ETIR_S_C_OPR_ADD: |
| 576 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 577 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 578 | _bfd_evax_push (abfd, (uquad)(op1 + op2), -1); |
| 579 | break; |
| 580 | |
| 581 | /* subtract */ |
| 582 | |
| 583 | case ETIR_S_C_OPR_SUB: |
| 584 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 585 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 586 | _bfd_evax_push (abfd, (uquad)(op2 - op1), -1); |
| 587 | break; |
| 588 | |
| 589 | /* multiply */ |
| 590 | |
| 591 | case ETIR_S_C_OPR_MUL: |
| 592 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 593 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 594 | _bfd_evax_push (abfd, (uquad)(op1 * op2), -1); |
| 595 | break; |
| 596 | |
| 597 | /* divide */ |
| 598 | |
| 599 | case ETIR_S_C_OPR_DIV: |
| 600 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 601 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 602 | if (op2 == 0) |
| 603 | _bfd_evax_push (abfd, (uquad)0L, -1); |
| 604 | else |
| 605 | _bfd_evax_push (abfd, (uquad)(op2 / op1), -1); |
| 606 | break; |
| 607 | |
| 608 | /* logical and */ |
| 609 | |
| 610 | case ETIR_S_C_OPR_AND: |
| 611 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 612 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 613 | _bfd_evax_push (abfd, (uquad)(op1 & op2), -1); |
| 614 | break; |
| 615 | |
| 616 | /* logical inclusive or */ |
| 617 | |
| 618 | case ETIR_S_C_OPR_IOR: |
| 619 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 620 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 621 | _bfd_evax_push (abfd, (uquad)(op1 | op2), -1); |
| 622 | break; |
| 623 | |
| 624 | /* logical exclusive or */ |
| 625 | |
| 626 | case ETIR_S_C_OPR_EOR: |
| 627 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 628 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 629 | _bfd_evax_push (abfd, (uquad)(op1 ^ op2), -1); |
| 630 | break; |
| 631 | |
| 632 | /* negate */ |
| 633 | |
| 634 | case ETIR_S_C_OPR_NEG: |
| 635 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 636 | _bfd_evax_push (abfd, (uquad)(-op1), -1); |
| 637 | break; |
| 638 | |
| 639 | /* complement */ |
| 640 | |
| 641 | case ETIR_S_C_OPR_COM: |
| 642 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 643 | _bfd_evax_push (abfd, (uquad)(op1 ^ -1L), -1); |
| 644 | break; |
| 645 | |
| 646 | /* insert field */ |
| 647 | |
| 648 | case ETIR_S_C_OPR_INSV: |
| 649 | (void)_bfd_evax_pop (abfd, NULL); |
| 650 | (*_bfd_error_handler) ("ETIR_S_C_OPR_INSV: Not supported"); |
| 651 | break; |
| 652 | |
| 653 | /* arithmetic shift */ |
| 654 | |
| 655 | case ETIR_S_C_OPR_ASH: |
| 656 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 657 | op2 = (long)_bfd_evax_pop (abfd, NULL); |
| 658 | if (op2 < 0) /* shift right */ |
| 659 | op1 >>= -op2; |
| 660 | else /* shift left */ |
| 661 | op1 <<= op2; |
| 662 | _bfd_evax_push (abfd, (uquad)op1, -1); |
| 663 | break; |
| 664 | |
| 665 | /* unsigned shift */ |
| 666 | |
| 667 | case ETIR_S_C_OPR_USH: |
| 668 | (*_bfd_error_handler) ("ETIR_S_C_OPR_USH: Not supported"); |
| 669 | break; |
| 670 | |
| 671 | /* rotate */ |
| 672 | |
| 673 | case ETIR_S_C_OPR_ROT: |
| 674 | (*_bfd_error_handler) ("ETIR_S_C_OPR_ROT: Not supported"); |
| 675 | break; |
| 676 | |
| 677 | /* select */ |
| 678 | |
| 679 | case ETIR_S_C_OPR_SEL: |
| 680 | if ((long)_bfd_evax_pop (abfd, NULL) & 0x01L) |
| 681 | (void)_bfd_evax_pop (abfd, NULL); |
| 682 | else |
| 683 | { |
| 684 | op1 = (long)_bfd_evax_pop (abfd, NULL); |
| 685 | (void)_bfd_evax_pop (abfd, NULL); |
| 686 | _bfd_evax_push (abfd, (uquad)op1, -1); |
| 687 | } |
| 688 | break; |
| 689 | |
| 690 | /* redefine symbol to current location */ |
| 691 | |
| 692 | case ETIR_S_C_OPR_REDEF: |
| 693 | (*_bfd_error_handler) ("ETIR_S_C_OPR_REDEF: Not supported"); |
| 694 | break; |
| 695 | |
| 696 | /* define a literal */ |
| 697 | |
| 698 | case ETIR_S_C_OPR_DFLIT: |
| 699 | (*_bfd_error_handler) ("ETIR_S_C_OPR_DFLIT: Not supported"); |
| 700 | break; |
| 701 | |
| 702 | default: |
| 703 | (*_bfd_error_handler) ("Reserved OPR cmd %d", cmd); |
| 704 | break; |
| 705 | } |
| 706 | |
| 707 | return true; |
| 708 | } |
| 709 | |
| 710 | |
| 711 | /* control commands |
| 712 | |
| 713 | see table B-11 of the openVMS linker manual */ |
| 714 | |
| 715 | static boolean |
| 716 | etir_ctl (abfd, cmd, ptr) |
| 717 | bfd *abfd; |
| 718 | int cmd; |
| 719 | unsigned char *ptr; |
| 720 | { |
| 721 | uquad dummy; |
| 722 | int psect; |
| 723 | |
| 724 | switch (cmd) |
| 725 | { |
| 726 | /* set relocation base: pop stack, set image location counter |
| 727 | arg: - */ |
| 728 | |
| 729 | case ETIR_S_C_CTL_SETRB: |
| 730 | dummy = _bfd_evax_pop (abfd, &psect); |
| 731 | image_set_ptr (abfd, psect, dummy); |
| 732 | break; |
| 733 | |
| 734 | /* augment relocation base: increment image location counter by offset |
| 735 | arg: lw offset value */ |
| 736 | |
| 737 | case ETIR_S_C_CTL_AUGRB: |
| 738 | dummy = bfd_getl32 (ptr); |
| 739 | image_inc_ptr (abfd, dummy); |
| 740 | break; |
| 741 | |
| 742 | /* define location: pop index, save location counter under index |
| 743 | arg: - */ |
| 744 | |
| 745 | case ETIR_S_C_CTL_DFLOC: |
| 746 | dummy = _bfd_evax_pop (abfd, NULL); |
| 747 | /* FIXME */ |
| 748 | break; |
| 749 | |
| 750 | /* set location: pop index, restore location counter from index |
| 751 | arg: - */ |
| 752 | |
| 753 | case ETIR_S_C_CTL_STLOC: |
| 754 | dummy = _bfd_evax_pop (abfd, &psect); |
| 755 | /* FIXME */ |
| 756 | break; |
| 757 | |
| 758 | /* stack defined location: pop index, push location counter from index |
| 759 | arg: - */ |
| 760 | |
| 761 | case ETIR_S_C_CTL_STKDL: |
| 762 | dummy = _bfd_evax_pop (abfd, &psect); |
| 763 | /* FIXME */ |
| 764 | break; |
| 765 | |
| 766 | default: |
| 767 | (*_bfd_error_handler) ("Reserved CTL cmd %d", cmd); |
| 768 | break; |
| 769 | } |
| 770 | return true; |
| 771 | } |
| 772 | |
| 773 | |
| 774 | /* store conditional commands |
| 775 | |
| 776 | see table B-12 and B-13 of the openVMS linker manual */ |
| 777 | |
| 778 | static boolean |
| 779 | etir_stc (abfd, cmd, ptr) |
| 780 | bfd *abfd; |
| 781 | int cmd; |
| 782 | unsigned char *ptr; |
| 783 | { |
| 784 | |
| 785 | switch (cmd) |
| 786 | { |
| 787 | /* 200 Store-conditional Linkage Pair |
| 788 | arg: */ |
| 789 | |
| 790 | case ETIR_S_C_STC_LP: |
| 791 | (*_bfd_error_handler) ("ETIR_S_C_STC_LP: not supported"); |
| 792 | break; |
| 793 | |
| 794 | /* 201 Store-conditional Linkage Pair with Procedure Signature |
| 795 | arg: lw linkage index |
| 796 | cs procedure name |
| 797 | by signature length |
| 798 | da signature */ |
| 799 | |
| 800 | case ETIR_S_C_STC_LP_PSB: |
| 801 | image_inc_ptr (abfd, 16); /* skip entry,procval */ |
| 802 | break; |
| 803 | |
| 804 | /* 202 Store-conditional Address at global address |
| 805 | arg: lw linkage index |
| 806 | cs global name */ |
| 807 | |
| 808 | case ETIR_S_C_STC_GBL: |
| 809 | (*_bfd_error_handler) ("ETIR_S_C_STC_GBL: not supported"); |
| 810 | break; |
| 811 | |
| 812 | /* 203 Store-conditional Code Address at global address |
| 813 | arg: lw linkage index |
| 814 | cs procedure name */ |
| 815 | |
| 816 | case ETIR_S_C_STC_GCA: |
| 817 | (*_bfd_error_handler) ("ETIR_S_C_STC_GCA: not supported"); |
| 818 | break; |
| 819 | |
| 820 | /* 204 Store-conditional Address at psect + offset |
| 821 | arg: lw linkage index |
| 822 | lw psect index |
| 823 | qw offset */ |
| 824 | |
| 825 | case ETIR_S_C_STC_PS: |
| 826 | (*_bfd_error_handler) ("ETIR_S_C_STC_PS: not supported"); |
| 827 | break; |
| 828 | |
| 829 | /* 205 Store-conditional NOP at address of global |
| 830 | arg: */ |
| 831 | |
| 832 | case ETIR_S_C_STC_NOP_GBL: |
| 833 | |
| 834 | /* 206 Store-conditional NOP at pect + offset |
| 835 | arg: */ |
| 836 | |
| 837 | case ETIR_S_C_STC_NOP_PS: |
| 838 | |
| 839 | /* 207 Store-conditional BSR at global address |
| 840 | arg: */ |
| 841 | |
| 842 | case ETIR_S_C_STC_BSR_GBL: |
| 843 | |
| 844 | /* 208 Store-conditional BSR at pect + offset |
| 845 | arg: */ |
| 846 | |
| 847 | case ETIR_S_C_STC_BSR_PS: |
| 848 | |
| 849 | /* 209 Store-conditional LDA at global address |
| 850 | arg: */ |
| 851 | |
| 852 | case ETIR_S_C_STC_LDA_GBL: |
| 853 | |
| 854 | /* 210 Store-conditional LDA at psect + offset |
| 855 | arg: */ |
| 856 | |
| 857 | case ETIR_S_C_STC_LDA_PS: |
| 858 | |
| 859 | /* 211 Store-conditional BSR or Hint at global address |
| 860 | arg: */ |
| 861 | |
| 862 | case ETIR_S_C_STC_BOH_GBL: |
| 863 | |
| 864 | /* 212 Store-conditional BSR or Hint at pect + offset |
| 865 | arg: */ |
| 866 | |
| 867 | case ETIR_S_C_STC_BOH_PS: |
| 868 | |
| 869 | /* 213 Store-conditional NOP,BSR or HINT at global address |
| 870 | arg: */ |
| 871 | |
| 872 | case ETIR_S_C_STC_NBH_GBL: |
| 873 | |
| 874 | /* 214 Store-conditional NOP,BSR or HINT at psect + offset |
| 875 | arg: */ |
| 876 | |
| 877 | case ETIR_S_C_STC_NBH_PS: |
| 878 | /* FIXME (*_bfd_error_handler) ("ETIR_S_C_STC_xx: (%d) not supported", cmd); */ |
| 879 | break; |
| 880 | |
| 881 | default: |
| 882 | #if EVAX_DEBUG |
| 883 | evax_debug (3, "Reserved STC cmd %d", cmd); |
| 884 | #endif |
| 885 | break; |
| 886 | } |
| 887 | return true; |
| 888 | } |
| 889 | |
| 890 | |
| 891 | /* handle command from ETIR section */ |
| 892 | |
| 893 | static boolean |
| 894 | tir_cmd (abfd, cmd, ptr) |
| 895 | bfd *abfd; |
| 896 | int cmd; |
| 897 | unsigned char *ptr; |
| 898 | { |
| 899 | static struct { |
| 900 | int mincod; |
| 901 | int maxcod; |
| 902 | boolean (*explain) PARAMS((bfd *, int, unsigned char *)); |
| 903 | } tir_table[] = { |
| 904 | { ETIR_S_C_MINSTACOD, ETIR_S_C_MAXSTACOD, etir_sta }, |
| 905 | { ETIR_S_C_MINSTOCOD, ETIR_S_C_MAXSTOCOD, etir_sto }, |
| 906 | { ETIR_S_C_MINOPRCOD, ETIR_S_C_MAXOPRCOD, etir_opr }, |
| 907 | { ETIR_S_C_MINCTLCOD, ETIR_S_C_MAXCTLCOD, etir_ctl }, |
| 908 | { ETIR_S_C_MINSTCCOD, ETIR_S_C_MAXSTCCOD, etir_stc }, |
| 909 | { -1, -1, NULL } |
| 910 | }; |
| 911 | |
| 912 | int i = 0; |
| 913 | boolean res = true; |
| 914 | |
| 915 | while (tir_table[i].mincod >= 0) |
| 916 | { |
| 917 | if ( (tir_table[i].mincod <= cmd) |
| 918 | && (cmd <= tir_table[i].maxcod)) |
| 919 | { |
| 920 | res = tir_table[i].explain (abfd, cmd, ptr); |
| 921 | break; |
| 922 | } |
| 923 | i++; |
| 924 | } |
| 925 | |
| 926 | return res; |
| 927 | } |
| 928 | |
| 929 | |
| 930 | /* Text Information and Relocation Records (OBJ$C_TIR) |
| 931 | handle etir record */ |
| 932 | |
| 933 | static boolean |
| 934 | analyze_etir (abfd, ptr, length) |
| 935 | bfd *abfd; |
| 936 | unsigned char *ptr; |
| 937 | unsigned int length; |
| 938 | { |
| 939 | int cmd; |
| 940 | unsigned char *maxptr; |
| 941 | boolean res = true; |
| 942 | |
| 943 | maxptr = ptr + length; |
| 944 | |
| 945 | while (ptr < maxptr) |
| 946 | { |
| 947 | cmd = bfd_getl16 (ptr); |
| 948 | length = bfd_getl16 (ptr + 2); |
| 949 | res = tir_cmd (abfd, cmd, ptr+4); |
| 950 | if (!res) |
| 951 | break; |
| 952 | ptr += length; |
| 953 | } |
| 954 | return res; |
| 955 | } |
| 956 | |
| 957 | |
| 958 | /* process ETIR record |
| 959 | |
| 960 | return 0 on success, -1 on error */ |
| 961 | |
| 962 | int |
| 963 | _bfd_evax_slurp_etir (abfd) |
| 964 | bfd *abfd; |
| 965 | { |
| 966 | |
| 967 | #if EVAX_DEBUG |
| 968 | evax_debug (2, "ETIR\n"); |
| 969 | #endif |
| 970 | |
| 971 | PRIV(evax_rec) += 4; /* skip type, size */ |
| 972 | PRIV(rec_size) -= 4; |
| 973 | if (analyze_etir (abfd, PRIV(evax_rec), PRIV(rec_size))) |
| 974 | return 0; |
| 975 | |
| 976 | return -1; |
| 977 | } |
| 978 | |
| 979 | |
| 980 | /* process EDBG record |
| 981 | return 0 on success, -1 on error |
| 982 | |
| 983 | not implemented yet */ |
| 984 | |
| 985 | int |
| 986 | _bfd_evax_slurp_edbg (abfd) |
| 987 | bfd *abfd; |
| 988 | { |
| 989 | #if EVAX_DEBUG |
| 990 | evax_debug (2, "EDBG\n"); |
| 991 | #endif |
| 992 | |
| 993 | abfd->flags |= (HAS_DEBUG | HAS_LINENO); |
| 994 | return 0; |
| 995 | } |
| 996 | |
| 997 | |
| 998 | /* process ETBT record |
| 999 | return 0 on success, -1 on error |
| 1000 | |
| 1001 | not implemented yet */ |
| 1002 | |
| 1003 | int |
| 1004 | _bfd_evax_slurp_etbt (abfd) |
| 1005 | bfd *abfd; |
| 1006 | { |
| 1007 | #if EVAX_DEBUG |
| 1008 | evax_debug (2, "ETBT\n"); |
| 1009 | #endif |
| 1010 | |
| 1011 | return 0; |
| 1012 | } |
| 1013 | \f |
| 1014 | /*----------------------------------------------------------------------*/ |
| 1015 | /* */ |
| 1016 | /* WRITE ETIR SECTION */ |
| 1017 | /* */ |
| 1018 | /* this is still under construction and therefore not documented */ |
| 1019 | /* */ |
| 1020 | /*----------------------------------------------------------------------*/ |
| 1021 | |
| 1022 | static void start_etir_record PARAMS ((bfd *abfd, int index, uquad offset, boolean justoffset)); |
| 1023 | static void sto_imm PARAMS ((bfd *abfd, evax_section *sptr, bfd_vma vaddr, int index)); |
| 1024 | static void end_etir_record PARAMS ((bfd *abfd)); |
| 1025 | |
| 1026 | static void |
| 1027 | sto_imm (abfd, sptr, vaddr, index) |
| 1028 | bfd *abfd; |
| 1029 | evax_section *sptr; |
| 1030 | bfd_vma vaddr; |
| 1031 | int index; |
| 1032 | { |
| 1033 | int size; |
| 1034 | int ssize; |
| 1035 | unsigned char *cptr; |
| 1036 | |
| 1037 | #if EVAX_DEBUG |
| 1038 | evax_debug (8, "sto_imm %d bytes\n", sptr->size); |
| 1039 | _bfd_hexdump (9, sptr->contents, (int)sptr->size, (int)vaddr); |
| 1040 | #endif |
| 1041 | |
| 1042 | ssize = sptr->size; |
| 1043 | cptr = sptr->contents; |
| 1044 | |
| 1045 | while (ssize > 0) |
| 1046 | { |
| 1047 | |
| 1048 | size = ssize; /* try all the rest */ |
| 1049 | |
| 1050 | if (_bfd_evax_output_check (abfd, size) < 0) |
| 1051 | { /* doesn't fit, split ! */ |
| 1052 | end_etir_record (abfd); |
| 1053 | start_etir_record (abfd, index, vaddr, false); |
| 1054 | size = _bfd_evax_output_check (abfd, 0); /* get max size */ |
| 1055 | if (size > ssize) /* more than what's left ? */ |
| 1056 | size = ssize; |
| 1057 | } |
| 1058 | |
| 1059 | _bfd_evax_output_begin (abfd, ETIR_S_C_STO_IMM, -1); |
| 1060 | _bfd_evax_output_long (abfd, (unsigned long)(size)); |
| 1061 | _bfd_evax_output_dump (abfd, cptr, size); |
| 1062 | _bfd_evax_output_flush (abfd); |
| 1063 | |
| 1064 | #if EVAX_DEBUG |
| 1065 | evax_debug (10, "dumped %d bytes\n", size); |
| 1066 | _bfd_hexdump (10, cptr, (int)size, (int)vaddr); |
| 1067 | #endif |
| 1068 | |
| 1069 | vaddr += size; |
| 1070 | ssize -= size; |
| 1071 | cptr += size; |
| 1072 | } |
| 1073 | |
| 1074 | return; |
| 1075 | } |
| 1076 | |
| 1077 | /*-------------------------------------------------------------------*/ |
| 1078 | |
| 1079 | /* start ETIR record for section #index at virtual addr offset. */ |
| 1080 | |
| 1081 | static void |
| 1082 | start_etir_record (abfd, index, offset, justoffset) |
| 1083 | bfd *abfd; |
| 1084 | int index; |
| 1085 | uquad offset; |
| 1086 | boolean justoffset; |
| 1087 | { |
| 1088 | if (!justoffset) |
| 1089 | { |
| 1090 | _bfd_evax_output_begin (abfd, EOBJ_S_C_ETIR, -1); /* one ETIR per section */ |
| 1091 | _bfd_evax_output_push (abfd); |
| 1092 | } |
| 1093 | |
| 1094 | _bfd_evax_output_begin (abfd, ETIR_S_C_STA_PQ, -1); /* push start offset */ |
| 1095 | _bfd_evax_output_long (abfd, (unsigned long)index); |
| 1096 | _bfd_evax_output_quad (abfd, (uquad)offset); |
| 1097 | _bfd_evax_output_flush (abfd); |
| 1098 | |
| 1099 | _bfd_evax_output_begin (abfd, ETIR_S_C_CTL_SETRB, -1); /* start = pop() */ |
| 1100 | _bfd_evax_output_flush (abfd); |
| 1101 | |
| 1102 | return; |
| 1103 | } |
| 1104 | |
| 1105 | |
| 1106 | /* end etir record */ |
| 1107 | static void |
| 1108 | end_etir_record (abfd) |
| 1109 | bfd *abfd; |
| 1110 | { |
| 1111 | _bfd_evax_output_pop (abfd); |
| 1112 | _bfd_evax_output_end (abfd); |
| 1113 | } |
| 1114 | |
| 1115 | /* write section contents for bfd abfd */ |
| 1116 | |
| 1117 | int |
| 1118 | _bfd_evax_write_etir (abfd) |
| 1119 | bfd *abfd; |
| 1120 | { |
| 1121 | asection *section; |
| 1122 | evax_section *sptr; |
| 1123 | int nextoffset; |
| 1124 | |
| 1125 | #if EVAX_DEBUG |
| 1126 | evax_debug (2, "evax_write_etir(%p)\n", abfd); |
| 1127 | #endif |
| 1128 | |
| 1129 | _bfd_evax_output_alignment (abfd, 4); |
| 1130 | |
| 1131 | nextoffset = 0; |
| 1132 | PRIV(evax_linkage_index) = 1; |
| 1133 | |
| 1134 | /* dump all other sections */ |
| 1135 | |
| 1136 | section = abfd->sections; |
| 1137 | |
| 1138 | while (section != NULL) |
| 1139 | { |
| 1140 | |
| 1141 | #if EVAX_DEBUG |
| 1142 | evax_debug (4, "writing %d. section '%s' (%d bytes)\n", section->index, section->name, (int)(section->_raw_size)); |
| 1143 | #endif |
| 1144 | |
| 1145 | if (section->flags & SEC_RELOC) |
| 1146 | { |
| 1147 | int i; |
| 1148 | |
| 1149 | if ((i = section->reloc_count) <= 0) |
| 1150 | { |
| 1151 | (*_bfd_error_handler) ("SEC_RELOC with no relocs in section %s", |
| 1152 | section->name); |
| 1153 | } |
| 1154 | #if EVAX_DEBUG |
| 1155 | else |
| 1156 | { |
| 1157 | arelent **rptr; |
| 1158 | evax_debug (4, "%d relocations:\n", i); |
| 1159 | rptr = section->orelocation; |
| 1160 | while (i-- > 0) |
| 1161 | { |
| 1162 | evax_debug (4, "sym %s in sec %s, value %08lx, addr %08lx, off %08lx, len %d: %s\n", |
| 1163 | (*(*rptr)->sym_ptr_ptr)->name, |
| 1164 | (*(*rptr)->sym_ptr_ptr)->section->name, |
| 1165 | (long)(*(*rptr)->sym_ptr_ptr)->value, |
| 1166 | (*rptr)->address, (*rptr)->addend, |
| 1167 | bfd_get_reloc_size((*rptr)->howto), |
| 1168 | (*rptr)->howto->name); |
| 1169 | rptr++; |
| 1170 | } |
| 1171 | } |
| 1172 | #endif |
| 1173 | } |
| 1174 | |
| 1175 | if (section->flags & SEC_HAS_CONTENTS) |
| 1176 | { |
| 1177 | bfd_vma vaddr; /* virtual addr in section */ |
| 1178 | |
| 1179 | sptr = _bfd_get_evax_section (abfd, section->index); |
| 1180 | if (sptr == NULL) |
| 1181 | { |
| 1182 | bfd_set_error (bfd_error_no_contents); |
| 1183 | return -1; |
| 1184 | } |
| 1185 | |
| 1186 | vaddr = (bfd_vma)(sptr->offset); |
| 1187 | |
| 1188 | start_etir_record (abfd, section->index, (uquad) sptr->offset, |
| 1189 | false); |
| 1190 | |
| 1191 | while (sptr != NULL) /* one STA_PQ, CTL_SETRB per evax_section */ |
| 1192 | { |
| 1193 | |
| 1194 | if (section->flags & SEC_RELOC) /* check for relocs */ |
| 1195 | { |
| 1196 | arelent **rptr = section->orelocation; |
| 1197 | int i = section->reloc_count; |
| 1198 | for (;;) |
| 1199 | { |
| 1200 | bfd_size_type addr = (*rptr)->address; |
| 1201 | int len = bfd_get_reloc_size ((*rptr)->howto); |
| 1202 | if (sptr->offset < addr) /* sptr starts before reloc */ |
| 1203 | { |
| 1204 | int before = addr - sptr->offset; |
| 1205 | if (sptr->size <= before) /* complete before */ |
| 1206 | { |
| 1207 | sto_imm (abfd, sptr, vaddr, section->index); |
| 1208 | vaddr += sptr->size; |
| 1209 | break; |
| 1210 | } |
| 1211 | else /* partly before */ |
| 1212 | { |
| 1213 | int after = sptr->size - before; |
| 1214 | sptr->size = before; |
| 1215 | sto_imm (abfd, sptr, vaddr, section->index); |
| 1216 | vaddr += sptr->size; |
| 1217 | sptr->contents += before; |
| 1218 | sptr->offset += before; |
| 1219 | sptr->size = after; |
| 1220 | } |
| 1221 | } |
| 1222 | else if (sptr->offset == addr) /* sptr starts at reloc */ |
| 1223 | { |
| 1224 | asymbol *sym = *(*rptr)->sym_ptr_ptr; |
| 1225 | asection *sec = sym->section; |
| 1226 | |
| 1227 | switch ((*rptr)->howto->type) |
| 1228 | { |
| 1229 | case ALPHA_R_IGNORE: |
| 1230 | break; |
| 1231 | |
| 1232 | case ALPHA_R_REFLONG: |
| 1233 | { |
| 1234 | if (bfd_is_und_section (sym->section)) |
| 1235 | { |
| 1236 | if (_bfd_evax_output_check (abfd, |
| 1237 | strlen((char *)sym->name)) |
| 1238 | < 0) |
| 1239 | { |
| 1240 | end_etir_record (abfd); |
| 1241 | start_etir_record (abfd, |
| 1242 | section->index, |
| 1243 | vaddr, false); |
| 1244 | } |
| 1245 | _bfd_evax_output_begin (abfd, |
| 1246 | ETIR_S_C_STO_GBL_LW, |
| 1247 | -1); |
| 1248 | _bfd_evax_output_counted (abfd, |
| 1249 | _bfd_evax_length_hash_symbol (abfd, sym->name)); |
| 1250 | _bfd_evax_output_flush (abfd); |
| 1251 | } |
| 1252 | else if (bfd_is_abs_section (sym->section)) |
| 1253 | { |
| 1254 | if (_bfd_evax_output_check (abfd, 16) < 0) |
| 1255 | { |
| 1256 | end_etir_record (abfd); |
| 1257 | start_etir_record (abfd, |
| 1258 | section->index, |
| 1259 | vaddr, false); |
| 1260 | } |
| 1261 | _bfd_evax_output_begin (abfd, |
| 1262 | ETIR_S_C_STA_LW, |
| 1263 | -1); |
| 1264 | _bfd_evax_output_quad (abfd, |
| 1265 | (uquad)sym->value); |
| 1266 | _bfd_evax_output_flush (abfd); |
| 1267 | _bfd_evax_output_begin (abfd, |
| 1268 | ETIR_S_C_STO_LW, |
| 1269 | -1); |
| 1270 | _bfd_evax_output_flush (abfd); |
| 1271 | } |
| 1272 | else |
| 1273 | { |
| 1274 | if (_bfd_evax_output_check (abfd, 32) < 0) |
| 1275 | { |
| 1276 | end_etir_record (abfd); |
| 1277 | start_etir_record (abfd, |
| 1278 | section->index, |
| 1279 | vaddr, false); |
| 1280 | } |
| 1281 | _bfd_evax_output_begin (abfd, |
| 1282 | ETIR_S_C_STA_PQ, |
| 1283 | -1); |
| 1284 | _bfd_evax_output_long (abfd, |
| 1285 | (unsigned long)(sec->index)); |
| 1286 | _bfd_evax_output_quad (abfd, |
| 1287 | ((uquad)(*rptr)->addend |
| 1288 | + (uquad)sym->value)); |
| 1289 | _bfd_evax_output_flush (abfd); |
| 1290 | _bfd_evax_output_begin (abfd, |
| 1291 | ETIR_S_C_STO_LW, |
| 1292 | -1); |
| 1293 | _bfd_evax_output_flush (abfd); |
| 1294 | } |
| 1295 | } |
| 1296 | break; |
| 1297 | |
| 1298 | case ALPHA_R_REFQUAD: |
| 1299 | { |
| 1300 | if (bfd_is_und_section (sym->section)) |
| 1301 | { |
| 1302 | if (_bfd_evax_output_check (abfd, |
| 1303 | strlen((char *)sym->name)) |
| 1304 | < 0) |
| 1305 | { |
| 1306 | end_etir_record (abfd); |
| 1307 | start_etir_record (abfd, |
| 1308 | section->index, |
| 1309 | vaddr, false); |
| 1310 | } |
| 1311 | _bfd_evax_output_begin (abfd, |
| 1312 | ETIR_S_C_STO_GBL, |
| 1313 | -1); |
| 1314 | _bfd_evax_output_counted (abfd, |
| 1315 | _bfd_evax_length_hash_symbol (abfd, sym->name)); |
| 1316 | _bfd_evax_output_flush (abfd); |
| 1317 | } |
| 1318 | else if (bfd_is_abs_section (sym->section)) |
| 1319 | { |
| 1320 | if (_bfd_evax_output_check (abfd, 16) < 0) |
| 1321 | { |
| 1322 | end_etir_record (abfd); |
| 1323 | start_etir_record (abfd, |
| 1324 | section->index, |
| 1325 | vaddr, false); |
| 1326 | } |
| 1327 | _bfd_evax_output_begin (abfd, |
| 1328 | ETIR_S_C_STA_QW, |
| 1329 | -1); |
| 1330 | _bfd_evax_output_quad (abfd, |
| 1331 | (uquad)sym->value); |
| 1332 | _bfd_evax_output_flush (abfd); |
| 1333 | _bfd_evax_output_begin (abfd, |
| 1334 | ETIR_S_C_STO_QW, |
| 1335 | -1); |
| 1336 | _bfd_evax_output_flush (abfd); |
| 1337 | } |
| 1338 | else |
| 1339 | { |
| 1340 | if (_bfd_evax_output_check (abfd, 32) < 0) |
| 1341 | { |
| 1342 | end_etir_record (abfd); |
| 1343 | start_etir_record (abfd, |
| 1344 | section->index, |
| 1345 | vaddr, false); |
| 1346 | } |
| 1347 | _bfd_evax_output_begin (abfd, |
| 1348 | ETIR_S_C_STA_PQ, |
| 1349 | -1); |
| 1350 | _bfd_evax_output_long (abfd, |
| 1351 | (unsigned long)(sec->index)); |
| 1352 | _bfd_evax_output_quad (abfd, |
| 1353 | ((uquad)(*rptr)->addend |
| 1354 | + (uquad)sym->value)); |
| 1355 | _bfd_evax_output_flush (abfd); |
| 1356 | _bfd_evax_output_begin (abfd, |
| 1357 | ETIR_S_C_STO_OFF, |
| 1358 | -1); |
| 1359 | _bfd_evax_output_flush (abfd); |
| 1360 | } |
| 1361 | } |
| 1362 | break; |
| 1363 | |
| 1364 | case ALPHA_R_HINT: |
| 1365 | { |
| 1366 | int hint_size; |
| 1367 | |
| 1368 | hint_size = sptr->size; |
| 1369 | sptr->size = len; |
| 1370 | sto_imm (abfd, sptr, vaddr, section->index); |
| 1371 | sptr->size = hint_size; |
| 1372 | #if 0 |
| 1373 | evax_output_begin(abfd, ETIR_S_C_STO_HINT_GBL, -1); |
| 1374 | evax_output_long(abfd, (unsigned long)(sec->index)); |
| 1375 | evax_output_quad(abfd, (uquad)addr); |
| 1376 | |
| 1377 | evax_output_counted(abfd, _bfd_evax_length_hash_symbol (abfd, sym->name)); |
| 1378 | evax_output_flush(abfd); |
| 1379 | #endif |
| 1380 | } |
| 1381 | break; |
| 1382 | case ALPHA_R_LINKAGE: |
| 1383 | { |
| 1384 | if (_bfd_evax_output_check (abfd, 64) < 0) |
| 1385 | { |
| 1386 | end_etir_record (abfd); |
| 1387 | start_etir_record (abfd, section->index, |
| 1388 | vaddr, false); |
| 1389 | } |
| 1390 | _bfd_evax_output_begin (abfd, |
| 1391 | ETIR_S_C_STC_LP_PSB, |
| 1392 | -1); |
| 1393 | _bfd_evax_output_long (abfd, |
| 1394 | (unsigned long)PRIV(evax_linkage_index)); |
| 1395 | PRIV(evax_linkage_index) += 2; |
| 1396 | _bfd_evax_output_counted (abfd, |
| 1397 | _bfd_evax_length_hash_symbol (abfd, sym->name)); |
| 1398 | _bfd_evax_output_byte (abfd, 0); |
| 1399 | _bfd_evax_output_flush (abfd); |
| 1400 | } |
| 1401 | break; |
| 1402 | |
| 1403 | case ALPHA_R_CODEADDR: |
| 1404 | { |
| 1405 | if (_bfd_evax_output_check (abfd, |
| 1406 | strlen((char *)sym->name)) |
| 1407 | < 0) |
| 1408 | { |
| 1409 | end_etir_record (abfd); |
| 1410 | start_etir_record (abfd, |
| 1411 | section->index, |
| 1412 | vaddr, false); |
| 1413 | } |
| 1414 | _bfd_evax_output_begin (abfd, |
| 1415 | ETIR_S_C_STO_CA, |
| 1416 | -1); |
| 1417 | _bfd_evax_output_counted (abfd, |
| 1418 | _bfd_evax_length_hash_symbol (abfd, sym->name)); |
| 1419 | _bfd_evax_output_flush (abfd); |
| 1420 | } |
| 1421 | break; |
| 1422 | |
| 1423 | default: |
| 1424 | (*_bfd_error_handler) ("Unhandled relocation %s", |
| 1425 | (*rptr)->howto->name); |
| 1426 | break; |
| 1427 | } |
| 1428 | |
| 1429 | vaddr += len; |
| 1430 | |
| 1431 | if (len == sptr->size) |
| 1432 | { |
| 1433 | break; |
| 1434 | } |
| 1435 | else |
| 1436 | { |
| 1437 | sptr->contents += len; |
| 1438 | sptr->offset += len; |
| 1439 | sptr->size -= len; |
| 1440 | i--; |
| 1441 | rptr++; |
| 1442 | } |
| 1443 | } |
| 1444 | else /* sptr starts after reloc */ |
| 1445 | { |
| 1446 | i--; /* check next reloc */ |
| 1447 | rptr++; |
| 1448 | } |
| 1449 | |
| 1450 | if (i==0) /* all reloc checked */ |
| 1451 | { |
| 1452 | if (sptr->size > 0) |
| 1453 | { |
| 1454 | sto_imm (abfd, sptr, vaddr, section->index); /* dump rest */ |
| 1455 | vaddr += sptr->size; |
| 1456 | } |
| 1457 | break; |
| 1458 | } |
| 1459 | } /* for (;;) */ |
| 1460 | } /* if SEC_RELOC */ |
| 1461 | else /* no relocs, just dump */ |
| 1462 | { |
| 1463 | sto_imm (abfd, sptr, vaddr, section->index); |
| 1464 | vaddr += sptr->size; |
| 1465 | } |
| 1466 | |
| 1467 | sptr = sptr->next; |
| 1468 | |
| 1469 | } /* while (sptr != 0) */ |
| 1470 | |
| 1471 | end_etir_record (abfd); |
| 1472 | |
| 1473 | } /* has_contents */ |
| 1474 | |
| 1475 | section = section->next; |
| 1476 | } |
| 1477 | |
| 1478 | _bfd_evax_output_alignment(abfd, 2); |
| 1479 | return 0; |
| 1480 | } |
| 1481 | |
| 1482 | |
| 1483 | /* write traceback data for bfd abfd */ |
| 1484 | |
| 1485 | int |
| 1486 | _bfd_evax_write_etbt (abfd) |
| 1487 | bfd *abfd; |
| 1488 | { |
| 1489 | #if EVAX_DEBUG |
| 1490 | evax_debug (2, "evax_write_etbt(%p)\n", abfd); |
| 1491 | #endif |
| 1492 | |
| 1493 | return 0; |
| 1494 | } |
| 1495 | |
| 1496 | |
| 1497 | /* write debug info for bfd abfd */ |
| 1498 | |
| 1499 | int |
| 1500 | _bfd_evax_write_edbg (abfd) |
| 1501 | bfd *abfd; |
| 1502 | { |
| 1503 | #if EVAX_DEBUG |
| 1504 | evax_debug (2, "evax_write_edbg(%p)\n", abfd); |
| 1505 | #endif |
| 1506 | |
| 1507 | return 0; |
| 1508 | } |