| 1 | /* bfd back-end for HP PA-RISC SOM objects. |
| 2 | Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | Contributed by the Center for Software Science at the |
| 5 | University of Utah (pa-gdb-bugs@cs.utah.edu). |
| 6 | |
| 7 | This file is part of BFD, the Binary File Descriptor library. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 22 | |
| 23 | #include "bfd.h" |
| 24 | #include "sysdep.h" |
| 25 | |
| 26 | /* @@FIXME This is not a reasonable set of conditions to permit |
| 27 | cross-compilation, obviously. It also isn't enough to support hppa-elf |
| 28 | targets either. Can we eliminate the HPUX or BSD dependencies, or |
| 29 | at least get the conditionals more localized? */ |
| 30 | #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD) |
| 31 | |
| 32 | #include "libbfd.h" |
| 33 | #include "libhppa.h" |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/param.h> |
| 38 | #include <sys/dir.h> |
| 39 | #include <signal.h> |
| 40 | #include <machine/reg.h> |
| 41 | #include <sys/user.h> /* After a.out.h */ |
| 42 | #include <sys/file.h> |
| 43 | #include <errno.h> |
| 44 | |
| 45 | /* Magic not defined in standard HP-UX header files until 8.0 */ |
| 46 | |
| 47 | #ifndef CPU_PA_RISC1_0 |
| 48 | #define CPU_PA_RISC1_0 0x20B |
| 49 | #endif /* CPU_PA_RISC1_0 */ |
| 50 | |
| 51 | #ifndef CPU_PA_RISC1_1 |
| 52 | #define CPU_PA_RISC1_1 0x210 |
| 53 | #endif /* CPU_PA_RISC1_1 */ |
| 54 | |
| 55 | #ifndef _PA_RISC1_0_ID |
| 56 | #define _PA_RISC1_0_ID CPU_PA_RISC1_0 |
| 57 | #endif /* _PA_RISC1_0_ID */ |
| 58 | |
| 59 | #ifndef _PA_RISC1_1_ID |
| 60 | #define _PA_RISC1_1_ID CPU_PA_RISC1_1 |
| 61 | #endif /* _PA_RISC1_1_ID */ |
| 62 | |
| 63 | #ifndef _PA_RISC_MAXID |
| 64 | #define _PA_RISC_MAXID 0x2FF |
| 65 | #endif /* _PA_RISC_MAXID */ |
| 66 | |
| 67 | #ifndef _PA_RISC_ID |
| 68 | #define _PA_RISC_ID(__m_num) \ |
| 69 | (((__m_num) == _PA_RISC1_0_ID) || \ |
| 70 | ((__m_num) >= _PA_RISC1_1_ID && (__m_num) <= _PA_RISC_MAXID)) |
| 71 | #endif /* _PA_RISC_ID */ |
| 72 | |
| 73 | struct container |
| 74 | { |
| 75 | struct header f; |
| 76 | struct som_exec_auxhdr e; |
| 77 | }; |
| 78 | |
| 79 | static bfd_target * |
| 80 | hppa_object_setup (abfd, file_hdrp, aux_hdrp) |
| 81 | bfd *abfd; |
| 82 | struct header *file_hdrp; |
| 83 | struct som_exec_auxhdr *aux_hdrp; |
| 84 | { |
| 85 | struct container *rawptr; |
| 86 | struct header *f; |
| 87 | struct hppa_data_struct *rawptr1; |
| 88 | asection *text, *data, *bss; |
| 89 | |
| 90 | rawptr = (struct container *) bfd_zalloc (abfd, sizeof (struct container)); |
| 91 | if (rawptr == NULL) |
| 92 | { |
| 93 | bfd_error = no_memory; |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | rawptr1 = (struct hppa_data_struct *) bfd_zalloc (abfd, sizeof (struct hppa_data_struct)); |
| 98 | if (rawptr1 == NULL) |
| 99 | { |
| 100 | bfd_error = no_memory; |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | abfd->tdata.hppa_data = rawptr1; |
| 105 | obj_file_hdr (abfd) = &rawptr->f; |
| 106 | obj_aux_hdr (abfd) = &rawptr->e; |
| 107 | *obj_file_hdr (abfd) = *file_hdrp; |
| 108 | *obj_aux_hdr (abfd) = *aux_hdrp; |
| 109 | |
| 110 | /* Set the file flags */ |
| 111 | abfd->flags = NO_FLAGS; |
| 112 | if (file_hdrp->entry_offset) |
| 113 | abfd->flags |= HAS_RELOC; |
| 114 | if (file_hdrp->symbol_total) |
| 115 | abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS; |
| 116 | |
| 117 | bfd_get_start_address (abfd) = aux_hdrp->exec_entry; |
| 118 | |
| 119 | obj_pa_symbols (abfd) = (hppa_symbol_type *) NULL; |
| 120 | bfd_get_symcount (abfd) = file_hdrp->symbol_total; |
| 121 | |
| 122 | bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 0); |
| 123 | |
| 124 | /* create the sections. This is raunchy, but bfd_close wants to reclaim |
| 125 | them */ |
| 126 | |
| 127 | text = bfd_make_section (abfd, ".text"); |
| 128 | data = bfd_make_section (abfd, ".data"); |
| 129 | bss = bfd_make_section (abfd, ".bss"); |
| 130 | |
| 131 | text->_raw_size = aux_hdrp->exec_tsize; |
| 132 | data->_raw_size = aux_hdrp->exec_dsize; |
| 133 | bss->_raw_size = aux_hdrp->exec_bsize; |
| 134 | |
| 135 | text->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS); |
| 136 | data->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS); |
| 137 | bss->flags = SEC_ALLOC; |
| 138 | |
| 139 | /* The virtual memory addresses of the sections */ |
| 140 | text->vma = aux_hdrp->exec_tmem; |
| 141 | data->vma = aux_hdrp->exec_dmem; |
| 142 | bss->vma = aux_hdrp->exec_bfill; |
| 143 | |
| 144 | /* The file offsets of the sections */ |
| 145 | text->filepos = aux_hdrp->exec_tfile; |
| 146 | data->filepos = aux_hdrp->exec_dfile; |
| 147 | |
| 148 | /* The file offsets of the relocation info */ |
| 149 | text->rel_filepos = 0; |
| 150 | data->rel_filepos = 0; |
| 151 | |
| 152 | /* The file offsets of the string table and symbol table. */ |
| 153 | obj_sym_filepos (abfd) = file_hdrp->symbol_location; |
| 154 | bfd_get_symcount (abfd) = file_hdrp->symbol_total; |
| 155 | obj_str_filepos (abfd) = file_hdrp->symbol_strings_location; |
| 156 | obj_stringtab_size (abfd) = file_hdrp->symbol_strings_size; |
| 157 | |
| 158 | return abfd->xvec; |
| 159 | } |
| 160 | |
| 161 | /* Create a new BFD section for NAME. If NAME already exists, then create a |
| 162 | new unique name, with NAME as the prefix. This exists because SOM .o files |
| 163 | created by the native compiler can have a $CODE$ section for each |
| 164 | subroutine. |
| 165 | */ |
| 166 | |
| 167 | static asection * |
| 168 | make_unique_section (abfd, name, num) |
| 169 | bfd *abfd; |
| 170 | CONST char *name; |
| 171 | int num; |
| 172 | { |
| 173 | asection *sect; |
| 174 | char *newname; |
| 175 | char altname[100]; |
| 176 | |
| 177 | sect = bfd_make_section (abfd, name); |
| 178 | while (!sect) |
| 179 | { |
| 180 | sprintf (altname, "%s-%d", name, num++); |
| 181 | sect = bfd_make_section (abfd, altname); |
| 182 | } |
| 183 | |
| 184 | newname = bfd_alloc (abfd, strlen (sect->name) + 1); |
| 185 | strcpy (newname, sect->name); |
| 186 | |
| 187 | sect->name = newname; |
| 188 | return sect; |
| 189 | } |
| 190 | |
| 191 | /* Convert all of the space and subspace info into BFD sections. Each space |
| 192 | contains a number of subspaces, which in turn describe the mapping between |
| 193 | regions of the exec file, and the address space that the program runs in. |
| 194 | BFD sections which correspond to spaces will overlap the sections for the |
| 195 | associated subspaces. */ |
| 196 | |
| 197 | static int |
| 198 | setup_sections (abfd, file_hdr) |
| 199 | bfd *abfd; |
| 200 | struct header *file_hdr; |
| 201 | { |
| 202 | char *space_strings; |
| 203 | int space_index; |
| 204 | |
| 205 | /* First, read in space names */ |
| 206 | |
| 207 | space_strings = alloca (file_hdr->space_strings_size); |
| 208 | if (!space_strings) |
| 209 | return 0; |
| 210 | |
| 211 | if (bfd_seek (abfd, file_hdr->space_strings_location, SEEK_SET) < 0) |
| 212 | return 0; |
| 213 | if (bfd_read (space_strings, 1, file_hdr->space_strings_size, abfd) |
| 214 | != file_hdr->space_strings_size) |
| 215 | return 0; |
| 216 | |
| 217 | /* Loop over all of the space dictionaries, building up sections */ |
| 218 | |
| 219 | for (space_index = 0; space_index < file_hdr->space_total; space_index++) |
| 220 | { |
| 221 | struct space_dictionary_record space; |
| 222 | struct subspace_dictionary_record subspace; |
| 223 | int subspace_index, tmp; |
| 224 | asection *space_asect; |
| 225 | |
| 226 | /* Read the space dictionary element */ |
| 227 | if (bfd_seek (abfd, file_hdr->space_location |
| 228 | + space_index * sizeof space, SEEK_SET) < 0) |
| 229 | return 0; |
| 230 | if (bfd_read (&space, 1, sizeof space, abfd) != sizeof space) |
| 231 | return 0; |
| 232 | |
| 233 | /* Setup the space name string */ |
| 234 | space.name.n_name = space.name.n_strx + space_strings; |
| 235 | |
| 236 | /* Make a section out of it */ |
| 237 | space_asect = make_unique_section (abfd, space.name.n_name, space_index); |
| 238 | if (!space_asect) |
| 239 | return 0; |
| 240 | |
| 241 | /* Now, read in the first subspace for this space */ |
| 242 | if (bfd_seek (abfd, file_hdr->subspace_location |
| 243 | + space.subspace_index * sizeof subspace, |
| 244 | SEEK_SET) < 0) |
| 245 | return 0; |
| 246 | if (bfd_read (&subspace, 1, sizeof subspace, abfd) != sizeof subspace) |
| 247 | return 0; |
| 248 | /* Seek back to the start of the subspaces for loop below */ |
| 249 | if (bfd_seek (abfd, file_hdr->subspace_location |
| 250 | + space.subspace_index * sizeof subspace, |
| 251 | SEEK_SET) < 0) |
| 252 | return 0; |
| 253 | |
| 254 | /* Setup the section flags as appropriate (this is somewhat bogus, as |
| 255 | there isn't a clear mapping between what's in the space record, and |
| 256 | what BFD can describe here). */ |
| 257 | if (space.is_loadable) |
| 258 | space_asect->flags |= SEC_ALLOC; |
| 259 | if (space.is_defined) |
| 260 | space_asect->flags |= SEC_LOAD; |
| 261 | |
| 262 | /* Setup the start address and file loc from the first subspace record */ |
| 263 | space_asect->vma = subspace.subspace_start; |
| 264 | space_asect->filepos = subspace.file_loc_init_value; |
| 265 | space_asect->alignment_power = subspace.alignment; |
| 266 | |
| 267 | /* Loop over the rest of the subspaces, building up more sections */ |
| 268 | for (subspace_index = 0; subspace_index < space.subspace_quantity; |
| 269 | subspace_index++) |
| 270 | { |
| 271 | asection *subspace_asect; |
| 272 | |
| 273 | /* Read in the next subspace */ |
| 274 | if (bfd_read (&subspace, 1, sizeof subspace, abfd) |
| 275 | != sizeof subspace) |
| 276 | return 0; |
| 277 | |
| 278 | /* Setup the subspace name string */ |
| 279 | subspace.name.n_name = subspace.name.n_strx + space_strings; |
| 280 | |
| 281 | /* Make a section out of this subspace */ |
| 282 | subspace_asect = make_unique_section (abfd, subspace.name.n_name, |
| 283 | space.subspace_index + subspace_index); |
| 284 | |
| 285 | if (!subspace_asect) |
| 286 | return 0; |
| 287 | |
| 288 | if (subspace.is_loadable) |
| 289 | subspace_asect->flags |= SEC_ALLOC | SEC_LOAD; |
| 290 | if (subspace.code_only) |
| 291 | subspace_asect->flags |= SEC_CODE; |
| 292 | |
| 293 | subspace_asect->vma = subspace.subspace_start; |
| 294 | subspace_asect->_cooked_size = subspace.subspace_length; |
| 295 | subspace_asect->_raw_size = subspace.initialization_length; |
| 296 | subspace_asect->alignment_power = subspace.alignment; |
| 297 | subspace_asect->filepos = subspace.file_loc_init_value; |
| 298 | |
| 299 | } |
| 300 | /* Setup the sizes for the space section based upon the info in the |
| 301 | last subspace of the space. */ |
| 302 | space_asect->_cooked_size = (subspace.subspace_start - space_asect->vma) |
| 303 | + subspace.subspace_length; |
| 304 | space_asect->_raw_size = (subspace.file_loc_init_value |
| 305 | - space_asect->filepos) |
| 306 | + subspace.initialization_length; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | static bfd_target * |
| 311 | hppa_object_p (abfd) |
| 312 | bfd *abfd; |
| 313 | { |
| 314 | struct header file_hdr; |
| 315 | struct som_exec_auxhdr aux_hdr; |
| 316 | |
| 317 | if (bfd_read ((PTR) & file_hdr, 1, FILE_HDR_SIZE, abfd) != FILE_HDR_SIZE) |
| 318 | return 0; |
| 319 | |
| 320 | if (!_PA_RISC_ID (file_hdr.system_id)) |
| 321 | { |
| 322 | bfd_error = wrong_format; |
| 323 | return 0; |
| 324 | } |
| 325 | |
| 326 | switch (file_hdr.a_magic) |
| 327 | { |
| 328 | case RELOC_MAGIC: /* I'm not really sure about all of these types... */ |
| 329 | case EXEC_MAGIC: |
| 330 | case SHARE_MAGIC: |
| 331 | case DEMAND_MAGIC: |
| 332 | #ifdef DL_MAGIC |
| 333 | case DL_MAGIC: |
| 334 | #endif |
| 335 | #ifdef SHL_MAGIC |
| 336 | case SHL_MAGIC: |
| 337 | #endif |
| 338 | break; |
| 339 | default: |
| 340 | bfd_error = wrong_format; |
| 341 | return 0; |
| 342 | } |
| 343 | |
| 344 | if (file_hdr.version_id != VERSION_ID |
| 345 | && file_hdr.version_id != NEW_VERSION_ID) |
| 346 | { |
| 347 | bfd_error = wrong_format; |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | if (bfd_read ((PTR) & aux_hdr, 1, AUX_HDR_SIZE, abfd) != AUX_HDR_SIZE) |
| 352 | bfd_error = wrong_format; |
| 353 | |
| 354 | if (!setup_sections (abfd, &file_hdr)) |
| 355 | return 0; |
| 356 | |
| 357 | return hppa_object_setup (abfd, &file_hdr, &aux_hdr); |
| 358 | } |
| 359 | |
| 360 | static boolean |
| 361 | DEFUN (hppa_mkobject, (abfd), |
| 362 | bfd * abfd) |
| 363 | { |
| 364 | fprintf (stderr, "hppa_mkobject unimplemented\n"); |
| 365 | fflush (stderr); |
| 366 | abort (); |
| 367 | return (false); |
| 368 | } |
| 369 | |
| 370 | boolean |
| 371 | DEFUN (hppa_write_object_contents, (abfd), |
| 372 | bfd * abfd) |
| 373 | { |
| 374 | fprintf (stderr, "hppa_write_object_contents unimplemented\n"); |
| 375 | fflush (stderr); |
| 376 | abort (); |
| 377 | return (false); |
| 378 | } |
| 379 | |
| 380 | static unsigned int |
| 381 | hppa_get_symtab_upper_bound (abfd) |
| 382 | bfd *abfd; |
| 383 | { |
| 384 | fprintf (stderr, "hppa_get_symtab_upper_bound unimplemented\n"); |
| 385 | fflush (stderr); |
| 386 | abort (); |
| 387 | return (0); |
| 388 | } |
| 389 | |
| 390 | static unsigned int |
| 391 | hppa_get_reloc_upper_bound (abfd, asect) |
| 392 | bfd *abfd; |
| 393 | sec_ptr asect; |
| 394 | { |
| 395 | fprintf (stderr, "hppa_get_reloc_upper_bound unimplemented\n"); |
| 396 | fflush (stderr); |
| 397 | abort (); |
| 398 | return (0); |
| 399 | } |
| 400 | |
| 401 | static unsigned int |
| 402 | hppa_canonicalize_reloc (abfd, section, relptr, symbols) |
| 403 | bfd *abfd; |
| 404 | sec_ptr section; |
| 405 | arelent **relptr; |
| 406 | asymbol **symbols; |
| 407 | { |
| 408 | fprintf (stderr, "hppa_canonicalize_reloc unimplemented\n"); |
| 409 | fflush (stderr); |
| 410 | abort (); |
| 411 | } |
| 412 | |
| 413 | extern bfd_target hppa_vec; |
| 414 | |
| 415 | static unsigned int |
| 416 | hppa_get_symtab (abfd, location) |
| 417 | bfd *abfd; |
| 418 | asymbol **location; |
| 419 | { |
| 420 | fprintf (stderr, "hppa_get_symtab unimplemented\n"); |
| 421 | fflush (stderr); |
| 422 | abort (); |
| 423 | return (0); |
| 424 | } |
| 425 | |
| 426 | static asymbol * |
| 427 | hppa_make_empty_symbol (abfd) |
| 428 | bfd *abfd; |
| 429 | { |
| 430 | hppa_symbol_type *new = |
| 431 | (hppa_symbol_type *) bfd_zalloc (abfd, sizeof (hppa_symbol_type)); |
| 432 | new->symbol.the_bfd = abfd; |
| 433 | |
| 434 | return &new->symbol; |
| 435 | } |
| 436 | |
| 437 | static void |
| 438 | hppa_print_symbol (ignore_abfd, afile, symbol, how) |
| 439 | bfd *ignore_abfd; |
| 440 | PTR afile; |
| 441 | asymbol *symbol; |
| 442 | bfd_print_symbol_type how; |
| 443 | { |
| 444 | fprintf (stderr, "hppa_print_symbol unimplemented\n"); |
| 445 | fflush (stderr); |
| 446 | abort (); |
| 447 | } |
| 448 | |
| 449 | static boolean |
| 450 | hppa_new_section_hook (abfd, newsect) |
| 451 | bfd *abfd; |
| 452 | asection *newsect; |
| 453 | { |
| 454 | newsect->alignment_power = 3; |
| 455 | |
| 456 | /* We allow more than three sections internally */ |
| 457 | return true; |
| 458 | } |
| 459 | |
| 460 | static boolean |
| 461 | hppa_set_section_contents (abfd, section, location, offset, count) |
| 462 | bfd *abfd; |
| 463 | sec_ptr section; |
| 464 | PTR location; |
| 465 | file_ptr offset; |
| 466 | bfd_size_type count; |
| 467 | { |
| 468 | fprintf (stderr, "hppa_set_section_contents unimplimented\n"); |
| 469 | fflush (stderr); |
| 470 | abort (); |
| 471 | return false; |
| 472 | } |
| 473 | |
| 474 | static boolean |
| 475 | hppa_set_arch_mach (abfd, arch, machine) |
| 476 | bfd *abfd; |
| 477 | enum bfd_architecture arch; |
| 478 | unsigned long machine; |
| 479 | { |
| 480 | fprintf (stderr, "hppa_set_arch_mach unimplemented\n"); |
| 481 | fflush (stderr); |
| 482 | /* Allow any architecture to be supported by the hppa backend */ |
| 483 | return bfd_default_set_arch_mach (abfd, arch, machine); |
| 484 | } |
| 485 | |
| 486 | static boolean |
| 487 | hppa_find_nearest_line (abfd, section, symbols, offset, filename_ptr, |
| 488 | functionname_ptr, line_ptr) |
| 489 | bfd *abfd; |
| 490 | asection *section; |
| 491 | asymbol **symbols; |
| 492 | bfd_vma offset; |
| 493 | CONST char **filename_ptr; |
| 494 | CONST char **functionname_ptr; |
| 495 | unsigned int *line_ptr; |
| 496 | { |
| 497 | fprintf (stderr, "hppa_find_nearest_line unimplemented\n"); |
| 498 | fflush (stderr); |
| 499 | abort (); |
| 500 | return (false); |
| 501 | } |
| 502 | |
| 503 | static int |
| 504 | hppa_sizeof_headers (abfd, reloc) |
| 505 | bfd *abfd; |
| 506 | boolean reloc; |
| 507 | { |
| 508 | fprintf (stderr, "hppa_sizeof_headers unimplemented\n"); |
| 509 | fflush (stderr); |
| 510 | abort (); |
| 511 | return (0); |
| 512 | } |
| 513 | |
| 514 | static asection * |
| 515 | make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) |
| 516 | bfd *abfd; |
| 517 | CONST char *name; |
| 518 | flagword flags; |
| 519 | bfd_size_type _raw_size; |
| 520 | bfd_vma vma; |
| 521 | unsigned int alignment_power; |
| 522 | { |
| 523 | asection *asect; |
| 524 | |
| 525 | asect = bfd_make_section (abfd, name); |
| 526 | if (!asect) |
| 527 | return NULL; |
| 528 | |
| 529 | asect->flags = flags; |
| 530 | asect->_raw_size = _raw_size; |
| 531 | asect->vma = vma; |
| 532 | asect->filepos = bfd_tell (abfd); |
| 533 | asect->alignment_power = alignment_power; |
| 534 | |
| 535 | return asect; |
| 536 | } |
| 537 | |
| 538 | #ifdef HOST_HPPAHPUX |
| 539 | static bfd_target * |
| 540 | hppa_core_file_p (abfd) |
| 541 | bfd *abfd; |
| 542 | { |
| 543 | core_hdr (abfd) = bfd_zalloc (abfd, sizeof (struct hppa_core_struct)); |
| 544 | if (!core_hdr (abfd)) |
| 545 | return NULL; |
| 546 | |
| 547 | while (1) |
| 548 | { |
| 549 | int val; |
| 550 | struct corehead core_header; |
| 551 | |
| 552 | val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd); |
| 553 | if (val <= 0) |
| 554 | break; |
| 555 | switch (core_header.type) |
| 556 | { |
| 557 | case CORE_KERNEL: |
| 558 | case CORE_FORMAT: |
| 559 | bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */ |
| 560 | break; |
| 561 | case CORE_EXEC: |
| 562 | { |
| 563 | struct proc_exec proc_exec; |
| 564 | bfd_read ((void *) &proc_exec, 1, core_header.len, abfd); |
| 565 | strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1); |
| 566 | } |
| 567 | break; |
| 568 | case CORE_PROC: |
| 569 | { |
| 570 | struct proc_info proc_info; |
| 571 | core_regsec (abfd) = make_bfd_asection (abfd, ".reg", |
| 572 | SEC_ALLOC + SEC_HAS_CONTENTS, |
| 573 | core_header.len, |
| 574 | (int) &proc_info - (int) &proc_info.hw_regs, |
| 575 | 2); |
| 576 | bfd_read (&proc_info, 1, core_header.len, abfd); |
| 577 | core_signal (abfd) = proc_info.sig; |
| 578 | } |
| 579 | if (!core_regsec (abfd)) |
| 580 | return NULL; |
| 581 | break; |
| 582 | case CORE_DATA: |
| 583 | core_datasec (abfd) = make_bfd_asection (abfd, ".data", |
| 584 | SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, |
| 585 | core_header.len, |
| 586 | core_header.addr, |
| 587 | 2); |
| 588 | if (!core_datasec (abfd)) |
| 589 | return NULL; |
| 590 | bfd_seek (abfd, core_header.len, SEEK_CUR); |
| 591 | break; |
| 592 | case CORE_STACK: |
| 593 | core_stacksec (abfd) = make_bfd_asection (abfd, ".stack", |
| 594 | SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, |
| 595 | core_header.len, |
| 596 | core_header.addr, |
| 597 | 2); |
| 598 | if (!core_stacksec (abfd)) |
| 599 | return NULL; |
| 600 | bfd_seek (abfd, core_header.len, SEEK_CUR); |
| 601 | break; |
| 602 | default: |
| 603 | fprintf (stderr, "Unknown HPPA/HPUX core file section type %d\n", |
| 604 | core_header.type); |
| 605 | bfd_seek (abfd, core_header.len, SEEK_CUR); |
| 606 | break; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | /* OK, we believe you. You're a core file (sure, sure). */ |
| 611 | |
| 612 | return abfd->xvec; |
| 613 | } |
| 614 | |
| 615 | static char * |
| 616 | hppa_core_file_failing_command (abfd) |
| 617 | bfd *abfd; |
| 618 | { |
| 619 | return core_command (abfd); |
| 620 | } |
| 621 | |
| 622 | /* ARGSUSED */ |
| 623 | static int |
| 624 | hppa_core_file_failing_signal (abfd) |
| 625 | bfd *abfd; |
| 626 | { |
| 627 | return core_signal (abfd); |
| 628 | } |
| 629 | |
| 630 | /* ARGSUSED */ |
| 631 | static boolean |
| 632 | hppa_core_file_matches_executable_p (core_bfd, exec_bfd) |
| 633 | bfd *core_bfd, *exec_bfd; |
| 634 | { |
| 635 | return true; /* FIXME, We have no way of telling at this point */ |
| 636 | } |
| 637 | |
| 638 | #endif /* HOST_HPPAHPUX */ |
| 639 | |
| 640 | /* Miscellaneous Support Functions -- Control Structures and Functions |
| 641 | for the PA. */ |
| 642 | |
| 643 | unsigned int |
| 644 | assemble_3 (x) |
| 645 | unsigned int x; |
| 646 | { |
| 647 | return (((x & 1) << 2) | ((x & 6) >> 1)) & 7; |
| 648 | } |
| 649 | |
| 650 | void |
| 651 | dis_assemble_3 (x, r) |
| 652 | unsigned int x; |
| 653 | unsigned int *r; |
| 654 | { |
| 655 | *r = (((x & 4) >> 2) | ((x & 3) << 1)) & 7; |
| 656 | } |
| 657 | |
| 658 | unsigned int |
| 659 | assemble_12 (x, y) |
| 660 | unsigned int x, y; |
| 661 | { |
| 662 | return (((y & 1) << 11) | ((x & 1) << 10) | ((x & 0x7fe) >> 1)) & 0xfff; |
| 663 | } |
| 664 | |
| 665 | void |
| 666 | dis_assemble_12 (as12, x, y) |
| 667 | unsigned int as12; |
| 668 | unsigned int *x, *y; |
| 669 | { |
| 670 | *y = (as12 & 0x800) >> 11; |
| 671 | *x = ((as12 & 0x3ff) << 1) | ((as12 & 0x400) >> 10); |
| 672 | } |
| 673 | |
| 674 | unsigned long |
| 675 | assemble_17 (x, y, z) |
| 676 | unsigned int x, y, z; |
| 677 | { |
| 678 | unsigned long temp; |
| 679 | |
| 680 | temp = ((z & 1) << 16) | |
| 681 | ((x & 0x1f) << 11) | |
| 682 | ((y & 1) << 10) | |
| 683 | ((y & 0x7fe) >> 1); |
| 684 | return temp & 0x1ffff; |
| 685 | } |
| 686 | |
| 687 | void |
| 688 | dis_assemble_17 (as17, x, y, z) |
| 689 | unsigned int as17; |
| 690 | unsigned int *x, *y, *z; |
| 691 | { |
| 692 | |
| 693 | *z = (as17 & 0x10000) >> 16; |
| 694 | *x = (as17 & 0x0f800) >> 11; |
| 695 | *y = (((as17 & 0x00400) >> 10) | ((as17 & 0x3ff) << 1)) & 0x7ff; |
| 696 | } |
| 697 | |
| 698 | unsigned long |
| 699 | assemble_21 (x) |
| 700 | unsigned int x; |
| 701 | { |
| 702 | unsigned long temp; |
| 703 | |
| 704 | temp = ((x & 1) << 20) | |
| 705 | ((x & 0xffe) << 8) | |
| 706 | ((x & 0xc000) >> 7) | |
| 707 | ((x & 0x1f0000) >> 14) | |
| 708 | ((x & 0x003000) >> 12); |
| 709 | return temp & 0x1fffff; |
| 710 | } |
| 711 | |
| 712 | void |
| 713 | dis_assemble_21 (as21, x) |
| 714 | unsigned int as21, *x; |
| 715 | { |
| 716 | unsigned long temp; |
| 717 | |
| 718 | |
| 719 | temp = (as21 & 0x100000) >> 20; |
| 720 | temp |= (as21 & 0x0ffe00) >> 8; |
| 721 | temp |= (as21 & 0x000180) << 7; |
| 722 | temp |= (as21 & 0x00007c) << 14; |
| 723 | temp |= (as21 & 0x000003) << 12; |
| 724 | *x = temp; |
| 725 | } |
| 726 | |
| 727 | #if 0 |
| 728 | unsigned long |
| 729 | sign_ext (x, len) |
| 730 | unsigned int x, len; |
| 731 | { |
| 732 | unsigned int sign; |
| 733 | unsigned int result; |
| 734 | unsigned int len_ones; |
| 735 | int i; |
| 736 | |
| 737 | i = 0; |
| 738 | len_ones = 0; |
| 739 | while (i < len) |
| 740 | { |
| 741 | len_ones = (len_ones << 1) | 1; |
| 742 | i++; |
| 743 | } |
| 744 | |
| 745 | sign = (x >> (len - 1)) & 1; |
| 746 | |
| 747 | if (sign) |
| 748 | result = (~0 ^ len_ones) | (len_ones & x); |
| 749 | else |
| 750 | result = len_ones & x; |
| 751 | |
| 752 | return result; |
| 753 | } |
| 754 | |
| 755 | #endif |
| 756 | static unsigned long |
| 757 | sign_ext (x, len) |
| 758 | unsigned int x, len; |
| 759 | { |
| 760 | return (x << (32 - len)) >> (32 - len); |
| 761 | } |
| 762 | |
| 763 | static unsigned int |
| 764 | ones (n) |
| 765 | int n; |
| 766 | { |
| 767 | unsigned int len_ones; |
| 768 | int i; |
| 769 | |
| 770 | i = 0; |
| 771 | len_ones = 0; |
| 772 | while (i < n) |
| 773 | { |
| 774 | len_ones = (len_ones << 1) | 1; |
| 775 | i++; |
| 776 | } |
| 777 | |
| 778 | return len_ones; |
| 779 | } |
| 780 | |
| 781 | void |
| 782 | sign_unext (x, len, result) |
| 783 | unsigned int x, len; |
| 784 | unsigned int *result; |
| 785 | { |
| 786 | unsigned int len_ones; |
| 787 | |
| 788 | len_ones = ones (len); |
| 789 | |
| 790 | *result = x & len_ones; |
| 791 | } |
| 792 | |
| 793 | unsigned long |
| 794 | low_sign_ext (x, len) |
| 795 | unsigned int x, len; |
| 796 | { |
| 797 | unsigned int temp1, temp2; |
| 798 | unsigned int len_ones; |
| 799 | |
| 800 | len_ones = ones (len); |
| 801 | |
| 802 | temp1 = (x & 1) << (len - 1); |
| 803 | temp2 = ((x & 0xfffffffe) & len_ones) >> 1; |
| 804 | return sign_ext ((temp1 | temp2), len); |
| 805 | } |
| 806 | |
| 807 | void |
| 808 | low_sign_unext (x, len, result) |
| 809 | unsigned int x, len; |
| 810 | unsigned int *result; |
| 811 | { |
| 812 | unsigned int temp; |
| 813 | unsigned int sign; |
| 814 | unsigned int rest; |
| 815 | unsigned int one_bit_at_len; |
| 816 | unsigned int len_ones; |
| 817 | |
| 818 | len_ones = ones (len); |
| 819 | one_bit_at_len = 1 << (len - 1); |
| 820 | |
| 821 | sign_unext (x, len, &temp); |
| 822 | sign = temp & one_bit_at_len; |
| 823 | sign >>= (len - 1); |
| 824 | |
| 825 | rest = temp & (len_ones ^ one_bit_at_len); |
| 826 | rest <<= 1; |
| 827 | |
| 828 | *result = rest | sign; |
| 829 | } |
| 830 | |
| 831 | /* These work when 'y' is a power of two only. */ |
| 832 | |
| 833 | static long |
| 834 | round_down (x, y) |
| 835 | long x, y; |
| 836 | { |
| 837 | return x & ~(y - 1); |
| 838 | } |
| 839 | |
| 840 | static long |
| 841 | round (x, y) |
| 842 | long x, y; |
| 843 | { |
| 844 | return (x + y / 2) & ~(y - 1); |
| 845 | } |
| 846 | |
| 847 | static long |
| 848 | round_up (x, y) |
| 849 | long x, y; |
| 850 | { |
| 851 | return x - (x | ~(y - 1)); |
| 852 | } |
| 853 | |
| 854 | /* L(Symbol, Addend): */ |
| 855 | /* round_down (Symbol + Addend, 2048) */ |
| 856 | |
| 857 | static long |
| 858 | L (Symbol, Addend) |
| 859 | { |
| 860 | return (round_down (Symbol + Addend, 2048)) >> 11; |
| 861 | } |
| 862 | |
| 863 | /* R(Symbol, Addend): */ |
| 864 | /* Symbol + Addend - round_down (Symbol + Addend, 2048) */ |
| 865 | |
| 866 | static long |
| 867 | R (Symbol, Addend) |
| 868 | { |
| 869 | return Symbol + Addend - round_down (Symbol + Addend, 2048); |
| 870 | } |
| 871 | |
| 872 | /* LS(Symbol, Addend): */ |
| 873 | /* round (Symbol + Addend, 2048) */ |
| 874 | |
| 875 | static long |
| 876 | LS (Symbol, Addend) |
| 877 | { |
| 878 | return round (Symbol + Addend, 2048); |
| 879 | } |
| 880 | |
| 881 | /* RS(Symbol, Addend): */ |
| 882 | /* Symbol + Addend - round (Symbol + Addend, 2048) */ |
| 883 | |
| 884 | static long |
| 885 | RS (Symbol, Addend) |
| 886 | { |
| 887 | return Symbol + Addend - round (Symbol + Addend, 2048); |
| 888 | } |
| 889 | |
| 890 | /* LD(Symbol, Addend): */ |
| 891 | /* round_up (Symbol + Addend, 2048) */ |
| 892 | |
| 893 | static long |
| 894 | LD (Symbol, Addend) |
| 895 | { |
| 896 | return (round_up (Symbol + Addend, 2048)) >> 11; |
| 897 | } |
| 898 | |
| 899 | /* RD(Symbol, Addend): */ |
| 900 | /* Symbol + Addend - round_up (Symbol + Addend, 2048) */ |
| 901 | |
| 902 | static long |
| 903 | RD (Symbol, Addend) |
| 904 | { |
| 905 | return Symbol + Addend - round_up (Symbol + Addend, 2048); |
| 906 | } |
| 907 | |
| 908 | /* LR(Symbol, Addend): */ |
| 909 | /* round_down (Symbol, 2048) + round (Addend, 8192) */ |
| 910 | |
| 911 | static long |
| 912 | LR (Symbol, Addend) |
| 913 | { |
| 914 | return (round_down (Symbol, 2048) + round (Addend, 8192)) >> 11; |
| 915 | } |
| 916 | |
| 917 | /* RR(Symbol, Addend): */ |
| 918 | /* Symbol - round_down (Symbol, 2048) + */ |
| 919 | /* Addend - round (Addend, 8192) */ |
| 920 | |
| 921 | static long |
| 922 | RR (Symbol, Addend) |
| 923 | { |
| 924 | return Symbol |
| 925 | - round_down (Symbol, 2048) |
| 926 | + Addend - round (Addend, 8192); |
| 927 | } |
| 928 | |
| 929 | unsigned long |
| 930 | DEFUN (hppa_field_adjust, (value, constant_value, r_field), |
| 931 | unsigned long value AND |
| 932 | unsigned long constant_value AND |
| 933 | unsigned short r_field) |
| 934 | { |
| 935 | unsigned long init_value = value; |
| 936 | value += constant_value; |
| 937 | switch (r_field) |
| 938 | { |
| 939 | case e_fsel: /* F : no change */ |
| 940 | break; |
| 941 | |
| 942 | case e_lssel: /* LS : if (bit 21) then add 0x800 |
| 943 | arithmetic shift right 11 bits */ |
| 944 | if (value & 0x00000400) |
| 945 | value += 0x800; |
| 946 | value = (value & 0xfffff800) >> 11; |
| 947 | BFD_ASSERT (value == LS (init_value, constant_value)); |
| 948 | break; |
| 949 | |
| 950 | case e_rssel: /* RS : Sign extend from bit 21 */ |
| 951 | if (value & 0x00000400) |
| 952 | value |= 0xfffff800; |
| 953 | else |
| 954 | value &= 0x7ff; |
| 955 | BFD_ASSERT (value == RS (init_value, constant_value)); |
| 956 | break; |
| 957 | |
| 958 | case e_lsel: /* L : Arithmetic shift right 11 bits */ |
| 959 | value = (value & 0xfffff800) >> 11; |
| 960 | BFD_ASSERT (value == L (init_value, constant_value)); |
| 961 | break; |
| 962 | |
| 963 | case e_rsel: /* R : Set bits 0-20 to zero */ |
| 964 | value = value & 0x7ff; |
| 965 | BFD_ASSERT (value == R (init_value, constant_value)); |
| 966 | break; |
| 967 | |
| 968 | case e_ldsel: /* LD : Add 0x800, arithmetic shift |
| 969 | right 11 bits */ |
| 970 | value += 0x800; |
| 971 | value = (value & 0xfffff800) >> 11; |
| 972 | BFD_ASSERT (value == LD (init_value, constant_value)); |
| 973 | break; |
| 974 | |
| 975 | case e_rdsel: /* RD : Set bits 0-20 to one */ |
| 976 | value |= 0xfffff800; |
| 977 | BFD_ASSERT (value == RD (init_value, constant_value)); |
| 978 | break; |
| 979 | |
| 980 | case e_lrsel: /* LR : L with "rounded" constant */ |
| 981 | value = value + ((constant_value + 0x1000) & 0xffffe000); |
| 982 | value = (value & 0xfffff800) >> 11; |
| 983 | BFD_ASSERT (value == LR (init_value, constant_value)); |
| 984 | break; |
| 985 | |
| 986 | case e_rrsel: /* RR : R with "rounded" constant */ |
| 987 | value = value + ((constant_value + 0x1000) & 0xffffe000); |
| 988 | value = (value & 0x7ff) + constant_value - ((constant_value + 0x1000) & 0xffffe000); |
| 989 | BFD_ASSERT (value == RR (init_value, constant_value)); |
| 990 | break; |
| 991 | |
| 992 | default: |
| 993 | fprintf (stderr, "Unrecognized field_selector 0x%02x\n", r_field); |
| 994 | break; |
| 995 | } |
| 996 | return value; |
| 997 | |
| 998 | } |
| 999 | |
| 1000 | /* End of miscellaneous support functions. */ |
| 1001 | |
| 1002 | #ifdef HOST_HPPABSD |
| 1003 | /* All the core file code for BSD needs to be rewritten cleanly. For |
| 1004 | now we do not support core files under BSD. */ |
| 1005 | |
| 1006 | #define hppa_core_file_p _bfd_dummy_target |
| 1007 | #define hppa_core_file_failing_command _bfd_dummy_core_file_failing_command |
| 1008 | #define hppa_core_file_failing_signal _bfd_dummy_core_file_failing_signal |
| 1009 | #define hppa_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p |
| 1010 | #endif /* HOST_HPPABSD */ |
| 1011 | |
| 1012 | #define hppa_bfd_debug_info_start bfd_void |
| 1013 | #define hppa_bfd_debug_info_end bfd_void |
| 1014 | #define hppa_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void |
| 1015 | |
| 1016 | #define hppa_openr_next_archived_file bfd_generic_openr_next_archived_file |
| 1017 | #define hppa_generic_stat_arch_elt bfd_generic_stat_arch_elt |
| 1018 | #define hppa_slurp_armap bfd_false |
| 1019 | #define hppa_slurp_extended_name_table _bfd_slurp_extended_name_table |
| 1020 | #define hppa_truncate_arname (void (*)())bfd_nullvoidptr |
| 1021 | #define hppa_write_armap 0 |
| 1022 | |
| 1023 | #define hppa_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr |
| 1024 | #define hppa_close_and_cleanup bfd_generic_close_and_cleanup |
| 1025 | #define hppa_get_section_contents bfd_generic_get_section_contents |
| 1026 | |
| 1027 | #define hppa_bfd_get_relocated_section_contents \ |
| 1028 | bfd_generic_get_relocated_section_contents |
| 1029 | #define hppa_bfd_relax_section bfd_generic_relax_section |
| 1030 | #define hppa_bfd_seclet_link bfd_generic_seclet_link |
| 1031 | #define hppa_bfd_reloc_type_lookup \ |
| 1032 | ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr) |
| 1033 | #define hppa_bfd_make_debug_symbol \ |
| 1034 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
| 1035 | |
| 1036 | bfd_target hppa_vec = |
| 1037 | { |
| 1038 | "hppa", /* name */ |
| 1039 | bfd_target_hppa_flavour, |
| 1040 | true, /* target byte order */ |
| 1041 | true, /* target headers byte order */ |
| 1042 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 1043 | HAS_LINENO | HAS_DEBUG | |
| 1044 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), |
| 1045 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS |
| 1046 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 1047 | |
| 1048 | /* leading_symbol_char: is the first char of a user symbol |
| 1049 | predictable, and if so what is it */ |
| 1050 | 0, |
| 1051 | ' ', /* ar_pad_char */ |
| 1052 | 16, /* ar_max_namelen */ |
| 1053 | 3, /* minimum alignment */ |
| 1054 | _do_getb64, _do_getb_signed_64, _do_putb64, |
| 1055 | _do_getb32, _do_getb_signed_32, _do_putb32, |
| 1056 | _do_getb16, _do_getb_signed_16, _do_putb16, /* data */ |
| 1057 | _do_getb64, _do_getb_signed_64, _do_putb64, |
| 1058 | _do_getb32, _do_getb_signed_32, _do_putb32, |
| 1059 | _do_getb16, _do_getb_signed_16, _do_putb16, /* hdrs */ |
| 1060 | {_bfd_dummy_target, |
| 1061 | hppa_object_p, /* bfd_check_format */ |
| 1062 | bfd_generic_archive_p, |
| 1063 | hppa_core_file_p, |
| 1064 | }, |
| 1065 | { |
| 1066 | bfd_false, |
| 1067 | hppa_mkobject, |
| 1068 | _bfd_generic_mkarchive, |
| 1069 | bfd_false |
| 1070 | }, |
| 1071 | { |
| 1072 | bfd_false, |
| 1073 | hppa_write_object_contents, |
| 1074 | _bfd_write_archive_contents, |
| 1075 | bfd_false, |
| 1076 | }, |
| 1077 | #undef hppa |
| 1078 | JUMP_TABLE (hppa), |
| 1079 | (PTR) 0 |
| 1080 | }; |
| 1081 | |
| 1082 | #endif /* HOST_HPPAHPUX || HOST_HPPABSD */ |