| 1 | # This shell script emits a C file. -*- C -*- |
| 2 | # Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| 3 | # |
| 4 | # This file is part of the GNU Binutils. |
| 5 | # |
| 6 | # This program is free software; you can redistribute it and/or modify |
| 7 | # it under the terms of the GNU General Public License as published by |
| 8 | # the Free Software Foundation; either version 3 of the License, or |
| 9 | # (at your option) any later version. |
| 10 | # |
| 11 | # This program is distributed in the hope that it will be useful, |
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License |
| 17 | # along with this program; if not, write to the Free Software |
| 18 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | # MA 02110-1301, USA. |
| 20 | # |
| 21 | |
| 22 | # This file is sourced from elf32.em, and defines extra spu specific |
| 23 | # features. |
| 24 | # |
| 25 | fragment <<EOF |
| 26 | #include "ldctor.h" |
| 27 | #include "elf32-spu.h" |
| 28 | |
| 29 | static void spu_place_special_section (asection *, asection *, const char *); |
| 30 | static bfd_size_type spu_elf_load_ovl_mgr (void); |
| 31 | static FILE *spu_elf_open_overlay_script (void); |
| 32 | static void spu_elf_relink (void); |
| 33 | |
| 34 | static struct spu_elf_params params = |
| 35 | { |
| 36 | &spu_place_special_section, |
| 37 | &spu_elf_load_ovl_mgr, |
| 38 | &spu_elf_open_overlay_script, |
| 39 | &spu_elf_relink, |
| 40 | 0, ovly_normal, 0, 0, 0, 0, 0, 0, 0, 0, |
| 41 | 0, 0x3ffff, |
| 42 | 1, 0, 16, 0, 0, 2000 |
| 43 | }; |
| 44 | |
| 45 | static unsigned int no_overlays = 0; |
| 46 | static unsigned int num_lines_set = 0; |
| 47 | static unsigned int line_size_set = 0; |
| 48 | static char *auto_overlay_file = 0; |
| 49 | int my_argc; |
| 50 | char **my_argv; |
| 51 | |
| 52 | static const char ovl_mgr[] = { |
| 53 | EOF |
| 54 | |
| 55 | if ! cat ${srcdir}/emultempl/spu_ovl.o_c >> e${EMULATION_NAME}.c |
| 56 | then |
| 57 | echo >&2 "Missing ${srcdir}/emultempl/spu_ovl.o_c" |
| 58 | echo >&2 "You must build gas/as-new with --target=spu" |
| 59 | exit 1 |
| 60 | fi |
| 61 | |
| 62 | fragment <<EOF |
| 63 | }; |
| 64 | |
| 65 | static const char icache_mgr[] = { |
| 66 | EOF |
| 67 | |
| 68 | if ! cat ${srcdir}/emultempl/spu_icache.o_c >> e${EMULATION_NAME}.c |
| 69 | then |
| 70 | echo >&2 "Missing ${srcdir}/emultempl/spu_icache.o_c" |
| 71 | echo >&2 "You must build gas/as-new with --target=spu" |
| 72 | exit 1 |
| 73 | fi |
| 74 | |
| 75 | fragment <<EOF |
| 76 | }; |
| 77 | |
| 78 | static const struct _ovl_stream ovl_mgr_stream = { |
| 79 | ovl_mgr, |
| 80 | ovl_mgr + sizeof (ovl_mgr) |
| 81 | }; |
| 82 | |
| 83 | static const struct _ovl_stream icache_mgr_stream = { |
| 84 | icache_mgr, |
| 85 | icache_mgr + sizeof (icache_mgr) |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | static int |
| 90 | is_spu_target (void) |
| 91 | { |
| 92 | extern const bfd_target spu_elf32_vec; |
| 93 | |
| 94 | return link_info.output_bfd->xvec == &spu_elf32_vec; |
| 95 | } |
| 96 | |
| 97 | /* Create our note section. */ |
| 98 | |
| 99 | static void |
| 100 | spu_after_open (void) |
| 101 | { |
| 102 | if (is_spu_target ()) |
| 103 | { |
| 104 | /* Pass params to backend. */ |
| 105 | if ((params.auto_overlay & AUTO_OVERLAY) == 0) |
| 106 | params.auto_overlay = 0; |
| 107 | params.emit_stub_syms |= link_info.emitrelocations; |
| 108 | spu_elf_setup (&link_info, ¶ms); |
| 109 | |
| 110 | if (bfd_link_relocatable (&link_info)) |
| 111 | lang_add_unique (".text.ia.*"); |
| 112 | |
| 113 | if (!bfd_link_relocatable (&link_info) |
| 114 | && link_info.input_bfds != NULL |
| 115 | && !spu_elf_create_sections (&link_info)) |
| 116 | einfo (_("%X%P: can not create note section: %E\n")); |
| 117 | } |
| 118 | |
| 119 | gld${EMULATION_NAME}_after_open (); |
| 120 | } |
| 121 | |
| 122 | /* If O is NULL, add section S at the end of output section OUTPUT_NAME. |
| 123 | If O is not NULL, add section S at the beginning of output section O, |
| 124 | except for soft-icache which adds to the end. |
| 125 | |
| 126 | Really, we should be duplicating ldlang.c map_input_to_output_sections |
| 127 | logic here, ie. using the linker script to find where the section |
| 128 | goes. That's rather a lot of code, and we don't want to run |
| 129 | map_input_to_output_sections again because most sections are already |
| 130 | mapped. So cheat, and put the section in a fixed place, ignoring any |
| 131 | attempt via a linker script to put .stub, .ovtab, and built-in |
| 132 | overlay manager code somewhere else. */ |
| 133 | |
| 134 | static void |
| 135 | spu_place_special_section (asection *s, asection *o, const char *output_name) |
| 136 | { |
| 137 | lang_output_section_statement_type *os; |
| 138 | |
| 139 | if (o != NULL) |
| 140 | os = lang_output_section_get (o); |
| 141 | else |
| 142 | os = lang_output_section_find (output_name); |
| 143 | if (os == NULL) |
| 144 | { |
| 145 | os = ldelf_place_orphan (s, output_name, 0); |
| 146 | os->addr_tree = NULL; |
| 147 | } |
| 148 | else if (params.ovly_flavour != ovly_soft_icache |
| 149 | && o != NULL && os->children.head != NULL) |
| 150 | { |
| 151 | lang_statement_list_type add; |
| 152 | |
| 153 | lang_list_init (&add); |
| 154 | lang_add_section (&add, s, NULL, os); |
| 155 | *add.tail = os->children.head; |
| 156 | os->children.head = add.head; |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | if (params.ovly_flavour == ovly_soft_icache && o != NULL) |
| 161 | { |
| 162 | /* Pad this stub section so that it finishes at the |
| 163 | end of the icache line. */ |
| 164 | etree_type *e_size; |
| 165 | |
| 166 | push_stat_ptr (&os->children); |
| 167 | e_size = exp_intop (params.line_size - s->size); |
| 168 | lang_add_assignment (exp_assign (".", e_size, FALSE)); |
| 169 | pop_stat_ptr (); |
| 170 | } |
| 171 | lang_add_section (&os->children, s, NULL, os); |
| 172 | } |
| 173 | |
| 174 | s->output_section->size += s->size; |
| 175 | } |
| 176 | |
| 177 | /* Load built-in overlay manager. */ |
| 178 | |
| 179 | static bfd_size_type |
| 180 | spu_elf_load_ovl_mgr (void) |
| 181 | { |
| 182 | struct elf_link_hash_entry *h; |
| 183 | const char *ovly_mgr_entry; |
| 184 | const struct _ovl_stream *mgr_stream; |
| 185 | bfd_size_type total = 0; |
| 186 | |
| 187 | ovly_mgr_entry = "__ovly_load"; |
| 188 | mgr_stream = &ovl_mgr_stream; |
| 189 | if (params.ovly_flavour == ovly_soft_icache) |
| 190 | { |
| 191 | ovly_mgr_entry = "__icache_br_handler"; |
| 192 | mgr_stream = &icache_mgr_stream; |
| 193 | } |
| 194 | h = elf_link_hash_lookup (elf_hash_table (&link_info), |
| 195 | ovly_mgr_entry, FALSE, FALSE, FALSE); |
| 196 | |
| 197 | if (h != NULL |
| 198 | && (h->root.type == bfd_link_hash_defined |
| 199 | || h->root.type == bfd_link_hash_defweak) |
| 200 | && h->def_regular) |
| 201 | { |
| 202 | /* User supplied __ovly_load. */ |
| 203 | } |
| 204 | else if (mgr_stream->start == mgr_stream->end) |
| 205 | einfo (_("%F%P: no built-in overlay manager\n")); |
| 206 | else |
| 207 | { |
| 208 | lang_input_statement_type *ovl_is; |
| 209 | |
| 210 | ovl_is = lang_add_input_file ("builtin ovl_mgr", |
| 211 | lang_input_file_is_file_enum, |
| 212 | NULL); |
| 213 | |
| 214 | if (!spu_elf_open_builtin_lib (&ovl_is->the_bfd, mgr_stream)) |
| 215 | einfo (_("%X%P: can not open built-in overlay manager: %E\n")); |
| 216 | else |
| 217 | { |
| 218 | asection *in; |
| 219 | |
| 220 | if (!load_symbols (ovl_is, NULL)) |
| 221 | einfo (_("%X%P: can not load built-in overlay manager: %E\n")); |
| 222 | |
| 223 | /* Map overlay manager sections to output sections. |
| 224 | First try for a matching output section name, if that |
| 225 | fails then try mapping .abc.xyz to .abc, otherwise map |
| 226 | to .text. */ |
| 227 | for (in = ovl_is->the_bfd->sections; in != NULL; in = in->next) |
| 228 | if ((in->flags & (SEC_ALLOC | SEC_LOAD)) |
| 229 | == (SEC_ALLOC | SEC_LOAD)) |
| 230 | { |
| 231 | const char *oname = in->name; |
| 232 | if (strncmp (in->name, ".ovl.init", 9) != 0) |
| 233 | { |
| 234 | total += in->size; |
| 235 | if (!lang_output_section_find (oname)) |
| 236 | { |
| 237 | lang_output_section_statement_type *os = NULL; |
| 238 | char *p = strchr (oname + 1, '.'); |
| 239 | if (p != NULL) |
| 240 | { |
| 241 | size_t len = p - oname; |
| 242 | p = memcpy (xmalloc (len + 1), oname, len); |
| 243 | p[len] = '\0'; |
| 244 | os = lang_output_section_find (p); |
| 245 | free (p); |
| 246 | } |
| 247 | if (os != NULL) |
| 248 | oname = os->name; |
| 249 | else |
| 250 | oname = ".text"; |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | spu_place_special_section (in, NULL, oname); |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | return total; |
| 259 | } |
| 260 | |
| 261 | /* Go find if we need to do anything special for overlays. */ |
| 262 | |
| 263 | static void |
| 264 | spu_before_allocation (void) |
| 265 | { |
| 266 | if (is_spu_target () |
| 267 | && !bfd_link_relocatable (&link_info) |
| 268 | && !no_overlays) |
| 269 | { |
| 270 | int ret; |
| 271 | |
| 272 | /* Size the sections. This is premature, but we need to know the |
| 273 | rough layout so that overlays can be found. */ |
| 274 | expld.phase = lang_mark_phase_enum; |
| 275 | expld.dataseg.phase = exp_seg_none; |
| 276 | one_lang_size_sections_pass (NULL, TRUE); |
| 277 | |
| 278 | /* Find overlays by inspecting section vmas. */ |
| 279 | ret = spu_elf_find_overlays (&link_info); |
| 280 | if (ret == 0) |
| 281 | einfo (_("%X%P: can not find overlays: %E\n")); |
| 282 | else if (ret == 2) |
| 283 | { |
| 284 | lang_output_section_statement_type *os; |
| 285 | |
| 286 | if (params.auto_overlay != 0) |
| 287 | { |
| 288 | einfo (_("%P: --auto-overlay ignored with user overlay script\n")); |
| 289 | params.auto_overlay = 0; |
| 290 | } |
| 291 | |
| 292 | /* Ensure alignment of overlay sections is sufficient. */ |
| 293 | for (os = &lang_os_list.head->output_section_statement; |
| 294 | os != NULL; |
| 295 | os = os->next) |
| 296 | if (os->bfd_section != NULL |
| 297 | && spu_elf_section_data (os->bfd_section) != NULL |
| 298 | && spu_elf_section_data (os->bfd_section)->u.o.ovl_index != 0) |
| 299 | { |
| 300 | if (os->bfd_section->alignment_power < 4) |
| 301 | os->bfd_section->alignment_power = 4; |
| 302 | |
| 303 | /* Also ensure size rounds up. */ |
| 304 | os->block_value = 16; |
| 305 | } |
| 306 | |
| 307 | ret = spu_elf_size_stubs (&link_info); |
| 308 | if (ret == 0) |
| 309 | einfo (_("%X%P: can not size overlay stubs: %E\n")); |
| 310 | else if (ret == 2) |
| 311 | spu_elf_load_ovl_mgr (); |
| 312 | |
| 313 | spu_elf_place_overlay_data (&link_info); |
| 314 | } |
| 315 | |
| 316 | /* We must not cache anything from the preliminary sizing. */ |
| 317 | lang_reset_memory_regions (); |
| 318 | } |
| 319 | |
| 320 | if (is_spu_target () |
| 321 | && !bfd_link_relocatable (&link_info)) |
| 322 | spu_elf_size_sections (link_info.output_bfd, &link_info); |
| 323 | |
| 324 | gld${EMULATION_NAME}_before_allocation (); |
| 325 | } |
| 326 | |
| 327 | struct tflist { |
| 328 | struct tflist *next; |
| 329 | char name[9]; |
| 330 | }; |
| 331 | |
| 332 | static struct tflist *tmp_file_list; |
| 333 | |
| 334 | static void clean_tmp (void) |
| 335 | { |
| 336 | for (; tmp_file_list != NULL; tmp_file_list = tmp_file_list->next) |
| 337 | unlink (tmp_file_list->name); |
| 338 | } |
| 339 | |
| 340 | static int |
| 341 | new_tmp_file (char **fname) |
| 342 | { |
| 343 | struct tflist *tf; |
| 344 | int fd; |
| 345 | |
| 346 | if (tmp_file_list == NULL) |
| 347 | atexit (clean_tmp); |
| 348 | tf = xmalloc (sizeof (*tf)); |
| 349 | tf->next = tmp_file_list; |
| 350 | tmp_file_list = tf; |
| 351 | memcpy (tf->name, "ldXXXXXX", sizeof (tf->name)); |
| 352 | *fname = tf->name; |
| 353 | #ifdef HAVE_MKSTEMP |
| 354 | fd = mkstemp (*fname); |
| 355 | #else |
| 356 | *fname = mktemp (*fname); |
| 357 | if (*fname == NULL) |
| 358 | return -1; |
| 359 | fd = open (*fname, O_RDWR | O_CREAT | O_EXCL, 0600); |
| 360 | #endif |
| 361 | return fd; |
| 362 | } |
| 363 | |
| 364 | static FILE * |
| 365 | spu_elf_open_overlay_script (void) |
| 366 | { |
| 367 | FILE *script = NULL; |
| 368 | |
| 369 | if (auto_overlay_file == NULL) |
| 370 | { |
| 371 | int fd = new_tmp_file (&auto_overlay_file); |
| 372 | if (fd == -1) |
| 373 | goto file_err; |
| 374 | script = fdopen (fd, "w"); |
| 375 | } |
| 376 | else |
| 377 | script = fopen (auto_overlay_file, "w"); |
| 378 | |
| 379 | if (script == NULL) |
| 380 | { |
| 381 | file_err: |
| 382 | einfo (_("%F%P: can not open script: %E\n")); |
| 383 | } |
| 384 | return script; |
| 385 | } |
| 386 | |
| 387 | #include <errno.h> |
| 388 | |
| 389 | static void |
| 390 | spu_elf_relink (void) |
| 391 | { |
| 392 | const char *pex_return; |
| 393 | int status; |
| 394 | char **argv = xmalloc ((my_argc + 4) * sizeof (*argv)); |
| 395 | |
| 396 | memcpy (argv, my_argv, my_argc * sizeof (*argv)); |
| 397 | argv[my_argc++] = "--no-auto-overlay"; |
| 398 | if (tmp_file_list->name == auto_overlay_file) |
| 399 | argv[my_argc - 1] = concat (argv[my_argc - 1], "=", |
| 400 | auto_overlay_file, (const char *) NULL); |
| 401 | argv[my_argc++] = "-T"; |
| 402 | argv[my_argc++] = auto_overlay_file; |
| 403 | argv[my_argc] = 0; |
| 404 | |
| 405 | pex_return = pex_one (PEX_SEARCH | PEX_LAST, (const char *) argv[0], |
| 406 | (char * const *) argv, (const char *) argv[0], |
| 407 | NULL, NULL, & status, & errno); |
| 408 | if (pex_return != NULL) |
| 409 | { |
| 410 | perror (pex_return); |
| 411 | _exit (127); |
| 412 | } |
| 413 | exit (status); |
| 414 | } |
| 415 | |
| 416 | /* Final emulation specific call. */ |
| 417 | |
| 418 | static void |
| 419 | gld${EMULATION_NAME}_finish (void) |
| 420 | { |
| 421 | if (is_spu_target ()) |
| 422 | { |
| 423 | if (params.local_store_lo < params.local_store_hi) |
| 424 | { |
| 425 | asection *s; |
| 426 | |
| 427 | s = spu_elf_check_vma (&link_info); |
| 428 | if (s != NULL && !params.auto_overlay) |
| 429 | einfo (_("%X%P: %pA exceeds local store range\n"), s); |
| 430 | } |
| 431 | else if (params.auto_overlay) |
| 432 | einfo (_("%P: --auto-overlay ignored with zero local store range\n")); |
| 433 | } |
| 434 | |
| 435 | finish_default (); |
| 436 | } |
| 437 | |
| 438 | static char * |
| 439 | gld${EMULATION_NAME}_choose_target (int argc, char *argv[]) |
| 440 | { |
| 441 | my_argc = argc; |
| 442 | my_argv = argv; |
| 443 | return ldemul_default_target (argc, argv); |
| 444 | } |
| 445 | |
| 446 | EOF |
| 447 | |
| 448 | if grep -q 'ld_elf.*ppc.*_emulation' ldemul-list.h; then |
| 449 | fragment <<EOF |
| 450 | #include "safe-ctype.h" |
| 451 | #include "filenames.h" |
| 452 | #include "libiberty.h" |
| 453 | |
| 454 | static const char * |
| 455 | base_name (const char *path) |
| 456 | { |
| 457 | const char *file = strrchr (path, '/'); |
| 458 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 459 | { |
| 460 | char *bslash = strrchr (path, '\\\\'); |
| 461 | |
| 462 | if (file == NULL || (bslash != NULL && bslash > file)) |
| 463 | file = bslash; |
| 464 | if (file == NULL |
| 465 | && path[0] != '\0' |
| 466 | && path[1] == ':') |
| 467 | file = path + 1; |
| 468 | } |
| 469 | #endif |
| 470 | if (file == NULL) |
| 471 | file = path; |
| 472 | else |
| 473 | ++file; |
| 474 | return file; |
| 475 | } |
| 476 | |
| 477 | /* This function is called when building a ppc32 or ppc64 executable |
| 478 | to handle embedded spu images. */ |
| 479 | extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *); |
| 480 | |
| 481 | bfd_boolean |
| 482 | embedded_spu_file (lang_input_statement_type *entry, const char *flags) |
| 483 | { |
| 484 | const char *cmd[6]; |
| 485 | const char *pex_return; |
| 486 | const char *sym; |
| 487 | char *handle, *p; |
| 488 | char *oname; |
| 489 | int fd; |
| 490 | int status; |
| 491 | union lang_statement_union **old_stat_tail; |
| 492 | union lang_statement_union **old_file_tail; |
| 493 | union lang_statement_union *new_ent; |
| 494 | lang_input_statement_type *search; |
| 495 | |
| 496 | if (entry->the_bfd->format != bfd_object |
| 497 | || strcmp (entry->the_bfd->xvec->name, "elf32-spu") != 0 |
| 498 | || (entry->the_bfd->tdata.elf_obj_data->elf_header->e_type != ET_EXEC |
| 499 | && entry->the_bfd->tdata.elf_obj_data->elf_header->e_type != ET_DYN)) |
| 500 | return FALSE; |
| 501 | |
| 502 | /* Use the filename as the symbol marking the program handle struct. */ |
| 503 | sym = base_name (entry->the_bfd->filename); |
| 504 | |
| 505 | handle = xstrdup (sym); |
| 506 | for (p = handle; *p; ++p) |
| 507 | if (!(ISALNUM (*p) || *p == '$' || *p == '.')) |
| 508 | *p = '_'; |
| 509 | |
| 510 | fd = new_tmp_file (&oname); |
| 511 | if (fd == -1) |
| 512 | return FALSE; |
| 513 | close (fd); |
| 514 | |
| 515 | for (search = &input_file_chain.head->input_statement; |
| 516 | search != NULL; |
| 517 | search = search->next_real_file) |
| 518 | if (search->filename != NULL) |
| 519 | { |
| 520 | const char *infile = base_name (search->filename); |
| 521 | |
| 522 | if (strncmp (infile, "crtbegin", 8) == 0) |
| 523 | { |
| 524 | if (infile[8] == 'S') |
| 525 | flags = concat (flags, " -fPIC", (const char *) NULL); |
| 526 | else if (infile[8] == 'T') |
| 527 | flags = concat (flags, " -fpie", (const char *) NULL); |
| 528 | break; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | cmd[0] = EMBEDSPU; |
| 533 | cmd[1] = flags; |
| 534 | cmd[2] = handle; |
| 535 | cmd[3] = entry->the_bfd->filename; |
| 536 | cmd[4] = oname; |
| 537 | cmd[5] = NULL; |
| 538 | if (verbose) |
| 539 | { |
| 540 | info_msg (_("running: %s \"%s\" \"%s\" \"%s\" \"%s\"\n"), |
| 541 | cmd[0], cmd[1], cmd[2], cmd[3], cmd[4]); |
| 542 | fflush (stdout); |
| 543 | } |
| 544 | |
| 545 | pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd, |
| 546 | cmd[0], NULL, NULL, &status, &errno); |
| 547 | if (NULL != pex_return) { |
| 548 | if (strcmp ("embedspu", EMBEDSPU) != 0) |
| 549 | { |
| 550 | cmd[0] = "embedspu"; |
| 551 | pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd, |
| 552 | cmd[0], NULL, NULL, &status, &errno); |
| 553 | } |
| 554 | if (NULL != pex_return) { |
| 555 | perror (pex_return); |
| 556 | _exit (127); |
| 557 | } |
| 558 | } |
| 559 | if (status) |
| 560 | return FALSE; |
| 561 | |
| 562 | |
| 563 | old_stat_tail = stat_ptr->tail; |
| 564 | old_file_tail = input_file_chain.tail; |
| 565 | if (lang_add_input_file (oname, lang_input_file_is_file_enum, NULL) == NULL) |
| 566 | return FALSE; |
| 567 | |
| 568 | /* lang_add_input_file puts the new list entry at the end of the statement |
| 569 | and input file lists. Move it to just after the current entry. */ |
| 570 | new_ent = *old_stat_tail; |
| 571 | *old_stat_tail = NULL; |
| 572 | stat_ptr->tail = old_stat_tail; |
| 573 | *old_file_tail = NULL; |
| 574 | input_file_chain.tail = old_file_tail; |
| 575 | new_ent->header.next = entry->header.next; |
| 576 | entry->header.next = new_ent; |
| 577 | new_ent->input_statement.next_real_file = entry->next_real_file; |
| 578 | entry->next_real_file = &new_ent->input_statement; |
| 579 | |
| 580 | /* Ensure bfd sections are excluded from the output. */ |
| 581 | bfd_section_list_clear (entry->the_bfd); |
| 582 | entry->flags.loaded = TRUE; |
| 583 | return TRUE; |
| 584 | } |
| 585 | |
| 586 | EOF |
| 587 | fi |
| 588 | |
| 589 | # Define some shell vars to insert bits of code into the standard elf |
| 590 | # parse_args and list_options functions. |
| 591 | # |
| 592 | PARSE_AND_LIST_PROLOGUE=' |
| 593 | #define OPTION_SPU_PLUGIN 301 |
| 594 | #define OPTION_SPU_NO_OVERLAYS (OPTION_SPU_PLUGIN + 1) |
| 595 | #define OPTION_SPU_COMPACT_STUBS (OPTION_SPU_NO_OVERLAYS + 1) |
| 596 | #define OPTION_SPU_STUB_SYMS (OPTION_SPU_COMPACT_STUBS + 1) |
| 597 | #define OPTION_SPU_NON_OVERLAY_STUBS (OPTION_SPU_STUB_SYMS + 1) |
| 598 | #define OPTION_SPU_LOCAL_STORE (OPTION_SPU_NON_OVERLAY_STUBS + 1) |
| 599 | #define OPTION_SPU_STACK_ANALYSIS (OPTION_SPU_LOCAL_STORE + 1) |
| 600 | #define OPTION_SPU_STACK_SYMS (OPTION_SPU_STACK_ANALYSIS + 1) |
| 601 | #define OPTION_SPU_AUTO_OVERLAY (OPTION_SPU_STACK_SYMS + 1) |
| 602 | #define OPTION_SPU_AUTO_RELINK (OPTION_SPU_AUTO_OVERLAY + 1) |
| 603 | #define OPTION_SPU_OVERLAY_RODATA (OPTION_SPU_AUTO_RELINK + 1) |
| 604 | #define OPTION_SPU_SOFT_ICACHE (OPTION_SPU_OVERLAY_RODATA + 1) |
| 605 | #define OPTION_SPU_LINE_SIZE (OPTION_SPU_SOFT_ICACHE + 1) |
| 606 | #define OPTION_SPU_NUM_LINES (OPTION_SPU_LINE_SIZE + 1) |
| 607 | #define OPTION_SPU_LRLIVE (OPTION_SPU_NUM_LINES + 1) |
| 608 | #define OPTION_SPU_NON_IA_TEXT (OPTION_SPU_LRLIVE + 1) |
| 609 | #define OPTION_SPU_FIXED_SPACE (OPTION_SPU_NON_IA_TEXT + 1) |
| 610 | #define OPTION_SPU_RESERVED_SPACE (OPTION_SPU_FIXED_SPACE + 1) |
| 611 | #define OPTION_SPU_EXTRA_STACK (OPTION_SPU_RESERVED_SPACE + 1) |
| 612 | #define OPTION_SPU_NO_AUTO_OVERLAY (OPTION_SPU_EXTRA_STACK + 1) |
| 613 | #define OPTION_SPU_EMIT_FIXUPS (OPTION_SPU_NO_AUTO_OVERLAY + 1) |
| 614 | ' |
| 615 | |
| 616 | PARSE_AND_LIST_LONGOPTS=' |
| 617 | { "plugin", no_argument, NULL, OPTION_SPU_PLUGIN }, |
| 618 | { "soft-icache", no_argument, NULL, OPTION_SPU_SOFT_ICACHE }, |
| 619 | { "lrlive-analysis", no_argument, NULL, OPTION_SPU_LRLIVE }, |
| 620 | { "num-lines", required_argument, NULL, OPTION_SPU_NUM_LINES }, |
| 621 | { "line-size", required_argument, NULL, OPTION_SPU_LINE_SIZE }, |
| 622 | { "non-ia-text", no_argument, NULL, OPTION_SPU_NON_IA_TEXT }, |
| 623 | { "no-overlays", no_argument, NULL, OPTION_SPU_NO_OVERLAYS }, |
| 624 | { "compact-stubs", no_argument, NULL, OPTION_SPU_COMPACT_STUBS }, |
| 625 | { "emit-stub-syms", no_argument, NULL, OPTION_SPU_STUB_SYMS }, |
| 626 | { "extra-overlay-stubs", no_argument, NULL, OPTION_SPU_NON_OVERLAY_STUBS }, |
| 627 | { "local-store", required_argument, NULL, OPTION_SPU_LOCAL_STORE }, |
| 628 | { "stack-analysis", no_argument, NULL, OPTION_SPU_STACK_ANALYSIS }, |
| 629 | { "emit-stack-syms", no_argument, NULL, OPTION_SPU_STACK_SYMS }, |
| 630 | { "auto-overlay", optional_argument, NULL, OPTION_SPU_AUTO_OVERLAY }, |
| 631 | { "auto-relink", no_argument, NULL, OPTION_SPU_AUTO_RELINK }, |
| 632 | { "overlay-rodata", no_argument, NULL, OPTION_SPU_OVERLAY_RODATA }, |
| 633 | { "num-regions", required_argument, NULL, OPTION_SPU_NUM_LINES }, |
| 634 | { "region-size", required_argument, NULL, OPTION_SPU_LINE_SIZE }, |
| 635 | { "fixed-space", required_argument, NULL, OPTION_SPU_FIXED_SPACE }, |
| 636 | { "reserved-space", required_argument, NULL, OPTION_SPU_RESERVED_SPACE }, |
| 637 | { "extra-stack-space", required_argument, NULL, OPTION_SPU_EXTRA_STACK }, |
| 638 | { "no-auto-overlay", optional_argument, NULL, OPTION_SPU_NO_AUTO_OVERLAY }, |
| 639 | { "emit-fixups", optional_argument, NULL, OPTION_SPU_EMIT_FIXUPS }, |
| 640 | ' |
| 641 | |
| 642 | PARSE_AND_LIST_OPTIONS=' |
| 643 | fprintf (file, _("\ |
| 644 | --plugin Make SPU plugin\n")); |
| 645 | fprintf (file, _("\ |
| 646 | --no-overlays No overlay handling\n")); |
| 647 | fprintf (file, _("\ |
| 648 | --compact-stubs Use smaller and possibly slower call stubs\n")); |
| 649 | fprintf (file, _("\ |
| 650 | --emit-stub-syms Add symbols on overlay call stubs\n")); |
| 651 | fprintf (file, _("\ |
| 652 | --extra-overlay-stubs Add stubs on all calls out of overlay regions\n")); |
| 653 | fprintf (file, _("\ |
| 654 | --local-store=lo:hi Valid address range\n")); |
| 655 | fprintf (file, _("\ |
| 656 | --stack-analysis Estimate maximum stack requirement\n")); |
| 657 | fprintf (file, _("\ |
| 658 | --emit-stack-syms Add sym giving stack needed for each func\n")); |
| 659 | fprintf (file, _("\ |
| 660 | --auto-overlay [=filename] Create an overlay script in filename if\n\ |
| 661 | executable does not fit in local store\n")); |
| 662 | fprintf (file, _("\ |
| 663 | --auto-relink Rerun linker using auto-overlay script\n")); |
| 664 | fprintf (file, _("\ |
| 665 | --overlay-rodata Place read-only data with associated function\n\ |
| 666 | code in overlays\n")); |
| 667 | fprintf (file, _("\ |
| 668 | --num-regions Number of overlay buffers (default 1)\n")); |
| 669 | fprintf (file, _("\ |
| 670 | --region-size Size of overlay buffers (default 0, auto)\n")); |
| 671 | fprintf (file, _("\ |
| 672 | --fixed-space=bytes Local store for non-overlay code and data\n")); |
| 673 | fprintf (file, _("\ |
| 674 | --reserved-space=bytes Local store for stack and heap. If not specified\n\ |
| 675 | ld will estimate stack size and assume no heap\n")); |
| 676 | fprintf (file, _("\ |
| 677 | --extra-stack-space=bytes Space for negative sp access (default 2000) if\n\ |
| 678 | --reserved-space not given\n")); |
| 679 | fprintf (file, _("\ |
| 680 | --soft-icache Generate software icache overlays\n")); |
| 681 | fprintf (file, _("\ |
| 682 | --num-lines Number of soft-icache lines (default 32)\n")); |
| 683 | fprintf (file, _("\ |
| 684 | --line-size Size of soft-icache lines (default 1k)\n")); |
| 685 | fprintf (file, _("\ |
| 686 | --non-ia-text Allow non-icache code in icache lines\n")); |
| 687 | fprintf (file, _("\ |
| 688 | --lrlive-analysis Scan function prologue for lr liveness\n")); |
| 689 | ' |
| 690 | |
| 691 | PARSE_AND_LIST_ARGS_CASES=' |
| 692 | case OPTION_SPU_PLUGIN: |
| 693 | spu_elf_plugin (1); |
| 694 | break; |
| 695 | |
| 696 | case OPTION_SPU_NO_OVERLAYS: |
| 697 | no_overlays = 1; |
| 698 | break; |
| 699 | |
| 700 | case OPTION_SPU_COMPACT_STUBS: |
| 701 | params.compact_stub = 1; |
| 702 | break; |
| 703 | |
| 704 | case OPTION_SPU_STUB_SYMS: |
| 705 | params.emit_stub_syms = 1; |
| 706 | break; |
| 707 | |
| 708 | case OPTION_SPU_NON_OVERLAY_STUBS: |
| 709 | params.non_overlay_stubs = 1; |
| 710 | break; |
| 711 | |
| 712 | case OPTION_SPU_LOCAL_STORE: |
| 713 | { |
| 714 | char *end; |
| 715 | params.local_store_lo = strtoul (optarg, &end, 0); |
| 716 | if (*end == '\'':'\'') |
| 717 | { |
| 718 | params.local_store_hi = strtoul (end + 1, &end, 0); |
| 719 | if (*end == 0) |
| 720 | break; |
| 721 | } |
| 722 | einfo (_("%F%P: invalid --local-store address range `%s'\''\n"), optarg); |
| 723 | } |
| 724 | break; |
| 725 | |
| 726 | case OPTION_SPU_STACK_ANALYSIS: |
| 727 | params.stack_analysis = 1; |
| 728 | break; |
| 729 | |
| 730 | case OPTION_SPU_STACK_SYMS: |
| 731 | params.emit_stack_syms = 1; |
| 732 | break; |
| 733 | |
| 734 | case OPTION_SPU_AUTO_OVERLAY: |
| 735 | params.auto_overlay |= 1; |
| 736 | if (optarg != NULL) |
| 737 | { |
| 738 | auto_overlay_file = optarg; |
| 739 | break; |
| 740 | } |
| 741 | /* Fallthru */ |
| 742 | |
| 743 | case OPTION_SPU_AUTO_RELINK: |
| 744 | params.auto_overlay |= 2; |
| 745 | break; |
| 746 | |
| 747 | case OPTION_SPU_OVERLAY_RODATA: |
| 748 | params.auto_overlay |= 4; |
| 749 | break; |
| 750 | |
| 751 | case OPTION_SPU_SOFT_ICACHE: |
| 752 | params.ovly_flavour = ovly_soft_icache; |
| 753 | /* Software i-cache stubs are always "compact". */ |
| 754 | params.compact_stub = 1; |
| 755 | if (!num_lines_set) |
| 756 | params.num_lines = 32; |
| 757 | else if ((params.num_lines & -params.num_lines) != params.num_lines) |
| 758 | einfo (_("%F%P: invalid --num-lines/--num-regions `%u'\''\n"), |
| 759 | params.num_lines); |
| 760 | if (!line_size_set) |
| 761 | params.line_size = 1024; |
| 762 | else if ((params.line_size & -params.line_size) != params.line_size) |
| 763 | einfo (_("%F%P: invalid --line-size/--region-size `%u'\''\n"), |
| 764 | params.line_size); |
| 765 | break; |
| 766 | |
| 767 | case OPTION_SPU_LRLIVE: |
| 768 | params.lrlive_analysis = 1; |
| 769 | break; |
| 770 | |
| 771 | case OPTION_SPU_NON_IA_TEXT: |
| 772 | params.non_ia_text = 1; |
| 773 | break; |
| 774 | |
| 775 | case OPTION_SPU_NUM_LINES: |
| 776 | { |
| 777 | char *end; |
| 778 | params.num_lines = strtoul (optarg, &end, 0); |
| 779 | num_lines_set = 1; |
| 780 | if (*end == 0 |
| 781 | && (params.ovly_flavour != ovly_soft_icache |
| 782 | || (params.num_lines & -params.num_lines) == params.num_lines)) |
| 783 | break; |
| 784 | einfo (_("%F%P: invalid --num-lines/--num-regions `%s'\''\n"), optarg); |
| 785 | } |
| 786 | break; |
| 787 | |
| 788 | case OPTION_SPU_LINE_SIZE: |
| 789 | { |
| 790 | char *end; |
| 791 | params.line_size = strtoul (optarg, &end, 0); |
| 792 | line_size_set = 1; |
| 793 | if (*end == 0 |
| 794 | && (params.ovly_flavour != ovly_soft_icache |
| 795 | || (params.line_size & -params.line_size) == params.line_size)) |
| 796 | break; |
| 797 | einfo (_("%F%P: invalid --line-size/--region-size `%s'\''\n"), optarg); |
| 798 | } |
| 799 | break; |
| 800 | |
| 801 | case OPTION_SPU_FIXED_SPACE: |
| 802 | { |
| 803 | char *end; |
| 804 | params.auto_overlay_fixed = strtoul (optarg, &end, 0); |
| 805 | if (*end != 0) |
| 806 | einfo (_("%F%P: invalid --fixed-space value `%s'\''\n"), optarg); |
| 807 | } |
| 808 | break; |
| 809 | |
| 810 | case OPTION_SPU_RESERVED_SPACE: |
| 811 | { |
| 812 | char *end; |
| 813 | params.auto_overlay_reserved = strtoul (optarg, &end, 0); |
| 814 | if (*end != 0) |
| 815 | einfo (_("%F%P: invalid --reserved-space value `%s'\''\n"), optarg); |
| 816 | } |
| 817 | break; |
| 818 | |
| 819 | case OPTION_SPU_EXTRA_STACK: |
| 820 | { |
| 821 | char *end; |
| 822 | params.extra_stack_space = strtol (optarg, &end, 0); |
| 823 | if (*end != 0) |
| 824 | einfo (_("%F%P: invalid --extra-stack-space value `%s'\''\n"), optarg); |
| 825 | } |
| 826 | break; |
| 827 | |
| 828 | case OPTION_SPU_NO_AUTO_OVERLAY: |
| 829 | params.auto_overlay = 0; |
| 830 | if (optarg != NULL) |
| 831 | { |
| 832 | struct tflist *tf; |
| 833 | size_t len; |
| 834 | |
| 835 | if (tmp_file_list == NULL) |
| 836 | atexit (clean_tmp); |
| 837 | |
| 838 | len = strlen (optarg) + 1; |
| 839 | tf = xmalloc (sizeof (*tf) - sizeof (tf->name) + len); |
| 840 | memcpy (tf->name, optarg, len); |
| 841 | tf->next = tmp_file_list; |
| 842 | tmp_file_list = tf; |
| 843 | break; |
| 844 | } |
| 845 | break; |
| 846 | |
| 847 | case OPTION_SPU_EMIT_FIXUPS: |
| 848 | params.emit_fixups = 1; |
| 849 | break; |
| 850 | ' |
| 851 | |
| 852 | LDEMUL_AFTER_OPEN=spu_after_open |
| 853 | LDEMUL_BEFORE_ALLOCATION=spu_before_allocation |
| 854 | LDEMUL_FINISH=gld${EMULATION_NAME}_finish |
| 855 | LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target |