1# This shell script emits a C file. -*- C -*- 2# It does some substitutions. 3if [ -z "$MACHINE" ]; then 4 OUTPUT_ARCH=${ARCH} 5else 6 OUTPUT_ARCH=${ARCH}:${MACHINE} 7fi 8fragment <<EOF 9/* This file is part of GLD, the Gnu Linker. 10 Copyright (C) 1995-2022 Free Software Foundation, Inc. 11 12 This file is part of the GNU Binutils. 13 14 This program is free software; you can redistribute it and/or modify 15 it under the terms of the GNU General Public License as published by 16 the Free Software Foundation; either version 3 of the License, or 17 (at your option) any later version. 18 19 This program is distributed in the hope that it will be useful, 20 but WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 GNU General Public License for more details. 23 24 You should have received a copy of the GNU General Public License 25 along with this program; if not, write to the Free Software 26 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 27 MA 02110-1301, USA. */ 28 29 30/* For WINDOWS_NT */ 31/* The original file generated returned different default scripts depending 32 on whether certain switches were set, but these switches pertain to the 33 Linux system and that particular version of coff. In the NT case, we 34 only determine if the subsystem is console or windows in order to select 35 the correct entry point by default. */ 36 37#include "sysdep.h" 38#include "bfd.h" 39#include "bfdlink.h" 40#include "ctf-api.h" 41#include "getopt.h" 42#include "libiberty.h" 43#include "filenames.h" 44#include "ld.h" 45#include "ldmain.h" 46#include "ldexp.h" 47#include "ldlang.h" 48#include "ldfile.h" 49#include "ldemul.h" 50#include <ldgram.h> 51#include "ldlex.h" 52#include "ldmisc.h" 53#include "ldctor.h" 54#include "coff/internal.h" 55#include "../bfd/libcoff.h" 56 57#define TARGET_IS_${EMULATION_NAME} 58 59static struct internal_extra_pe_aouthdr pe; 60static int dll; 61 62extern const char *output_filename; 63 64static void 65gld${EMULATION_NAME}_before_parse (void) 66{ 67 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); 68 output_filename = "a.exe"; 69} 70 71/* PE format extra command line options. */ 72 73/* Used for setting flags in the PE header. */ 74#define OPTION_BASE_FILE (300 + 1) 75#define OPTION_DLL (OPTION_BASE_FILE + 1) 76#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) 77#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) 78#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) 79#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) 80#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) 81#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) 82#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) 83#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) 84#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) 85#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) 86#define OPTION_SUBSYSTEM (OPTION_STACK + 1) 87#define OPTION_HEAP (OPTION_SUBSYSTEM + 1) 88 89static void 90gld${EMULATION_NAME}_add_options 91 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl, 92 struct option **longopts, int nrl ATTRIBUTE_UNUSED, 93 struct option **really_longopts ATTRIBUTE_UNUSED) 94{ 95 static const struct option xtra_long[] = { 96 /* PE options */ 97 {"base-file", required_argument, NULL, OPTION_BASE_FILE}, 98 {"dll", no_argument, NULL, OPTION_DLL}, 99 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, 100 {"heap", required_argument, NULL, OPTION_HEAP}, 101 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, 102 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, 103 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, 104 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, 105 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, 106 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, 107 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, 108 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, 109 {"stack", required_argument, NULL, OPTION_STACK}, 110 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, 111 {NULL, no_argument, NULL, 0} 112 }; 113 114 *longopts = (struct option *) 115 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); 116 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); 117} 118 119 120/* PE/WIN32; added routines to get the subsystem type, heap and/or stack 121 parameters which may be input from the command line */ 122 123typedef struct { 124 void *ptr; 125 int size; 126 int value; 127 char *symbol; 128 int inited; 129} definfo; 130 131#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} 132 133static definfo init[] = 134{ 135 /* imagebase must be first */ 136#define IMAGEBASEOFF 0 137 D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE), 138#define DLLOFF 1 139 {&dll, sizeof(dll), 0, "__dll__", 0}, 140 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), 141 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), 142 D(MajorOperatingSystemVersion,"__major_os_version__", 4), 143 D(MinorOperatingSystemVersion,"__minor_os_version__", 0), 144 D(MajorImageVersion,"__major_image_version__", 1), 145 D(MinorImageVersion,"__minor_image_version__", 0), 146 D(MajorSubsystemVersion,"__major_subsystem_version__", 4), 147 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), 148 D(Subsystem,"__subsystem__", 3), 149 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000), 150 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), 151 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), 152 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), 153 D(LoaderFlags,"__loader_flags__", 0x0), 154 { NULL, 0, 0, NULL, 0 } 155}; 156 157 158static void 159set_pe_name (char *name, long val) 160{ 161 int i; 162 /* Find the name and set it. */ 163 for (i = 0; init[i].ptr; i++) 164 { 165 if (strcmp (name, init[i].symbol) == 0) 166 { 167 init[i].value = val; 168 init[i].inited = 1; 169 return; 170 } 171 } 172 abort(); 173} 174 175 176static void 177set_pe_subsystem (void) 178{ 179 const char *sver; 180 int len; 181 int i; 182 static const struct 183 { 184 const char *name; 185 const int value; 186 const char *entry; 187 } 188 v[] = 189 { 190 { "native", 1, "_NtProcessStartup" }, 191 { "windows", 2, "_WinMainCRTStartup" }, 192 { "wwindows", 2, "_wWinMainCRTStartup" }, 193 { "console", 3, "_mainCRTStartup" }, 194 { "wconsole", 3, "_wmainCRTStartup" }, 195 { "posix", 7, "___PosixProcessStartup"}, 196 { 0, 0, 0 } 197 }; 198 199 sver = strchr (optarg, ':'); 200 if (sver == NULL) 201 len = strlen (optarg); 202 else 203 { 204 char *end; 205 206 len = sver - optarg; 207 set_pe_name ("__major_subsystem_version__", 208 strtoul (sver + 1, &end, 0)); 209 if (*end == '.') 210 set_pe_name ("__minor_subsystem_version__", 211 strtoul (end + 1, &end, 0)); 212 if (*end != '\0') 213 einfo (_("%P: warning: bad version number in -subsystem option\n")); 214 } 215 216 for (i = 0; v[i].name; i++) 217 { 218 if (strncmp (optarg, v[i].name, len) == 0 219 && v[i].name[len] == '\0') 220 { 221 set_pe_name ("__subsystem__", v[i].value); 222 223 /* If the subsystem is windows, we use a different entry 224 point. */ 225 lang_default_entry (v[i].entry); 226 227 return; 228 } 229 } 230 einfo (_("%F%P: invalid subsystem type %s\n"), optarg); 231} 232 233 234static void 235set_pe_value (char *name) 236{ 237 char *end; 238 set_pe_name (name, strtoul (optarg, &end, 0)); 239 if (end == optarg) 240 { 241 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg); 242 } 243 244 optarg = end; 245} 246 247static void 248set_pe_stack_heap (char *resname, char *comname) 249{ 250 set_pe_value (resname); 251 if (*optarg == ',') 252 { 253 optarg++; 254 set_pe_value (comname); 255 } 256 else if (*optarg) 257 { 258 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg); 259 } 260} 261 262 263static bool 264gld${EMULATION_NAME}_handle_option (int optc) 265{ 266 switch (optc) 267 { 268 default: 269 return false; 270 271 case OPTION_BASE_FILE: 272 link_info.base_file = fopen (optarg, FOPEN_WB); 273 if (link_info.base_file == NULL) 274 einfo (_("%F%P: cannot open base file %s\n"), optarg); 275 break; 276 277 /* PE options */ 278 case OPTION_HEAP: 279 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); 280 break; 281 case OPTION_STACK: 282 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); 283 break; 284 case OPTION_SUBSYSTEM: 285 set_pe_subsystem (); 286 break; 287 case OPTION_MAJOR_OS_VERSION: 288 set_pe_value ("__major_os_version__"); 289 break; 290 case OPTION_MINOR_OS_VERSION: 291 set_pe_value ("__minor_os_version__"); 292 break; 293 case OPTION_MAJOR_SUBSYSTEM_VERSION: 294 set_pe_value ("__major_subsystem_version__"); 295 break; 296 case OPTION_MINOR_SUBSYSTEM_VERSION: 297 set_pe_value ("__minor_subsystem_version__"); 298 break; 299 case OPTION_MAJOR_IMAGE_VERSION: 300 set_pe_value ("__major_image_version__"); 301 break; 302 case OPTION_MINOR_IMAGE_VERSION: 303 set_pe_value ("__minor_image_version__"); 304 break; 305 case OPTION_FILE_ALIGNMENT: 306 set_pe_value ("__file_alignment__"); 307 break; 308 case OPTION_SECTION_ALIGNMENT: 309 set_pe_value ("__section_alignment__"); 310 break; 311 case OPTION_DLL: 312 set_pe_name ("__dll__", 1); 313 break; 314 case OPTION_IMAGE_BASE: 315 set_pe_value ("__image_base__"); 316 break; 317 } 318 return true; 319} 320 321/* Assign values to the special symbols before the linker script is 322 read. */ 323 324static void 325gld${EMULATION_NAME}_set_symbols (void) 326{ 327 /* Run through and invent symbols for all the 328 names and insert the defaults. */ 329 int j; 330 331 if (!init[IMAGEBASEOFF].inited) 332 { 333 if (bfd_link_relocatable (&link_info)) 334 init[IMAGEBASEOFF].value = 0; 335 else if (init[DLLOFF].value) 336 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE; 337 else 338 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE; 339 } 340 341 /* Don't do any symbol assignments if this is a relocatable link. */ 342 if (bfd_link_relocatable (&link_info)) 343 return; 344 345 /* Glue the assignments into the abs section */ 346 push_stat_ptr (&abs_output_section->children); 347 348 for (j = 0; init[j].ptr; j++) 349 { 350 long val = init[j].value; 351 lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val), 352 false)); 353 if (init[j].size == sizeof(short)) 354 *(short *)init[j].ptr = val; 355 else if (init[j].size == sizeof(int)) 356 *(int *)init[j].ptr = val; 357 else if (init[j].size == sizeof(long)) 358 *(long *)init[j].ptr = val; 359 /* This might be a long long or other special type. */ 360 else if (init[j].size == sizeof(bfd_vma)) 361 *(bfd_vma *)init[j].ptr = val; 362 else abort(); 363 } 364 /* Restore the pointer. */ 365 pop_stat_ptr (); 366 367 if (pe.FileAlignment > 368 pe.SectionAlignment) 369 { 370 einfo (_("%P: warning, file alignment > section alignment\n")); 371 } 372} 373 374static void 375gld${EMULATION_NAME}_after_open (void) 376{ 377 after_open_default (); 378 379 /* Pass the wacky PE command line options into the output bfd. 380 FIXME: This should be done via a function, rather than by 381 including an internal BFD header. */ 382 if (!coff_data(link_info.output_bfd)->pe) 383 { 384 einfo (_("%F%P: PE operations on non PE file\n")); 385 } 386 387 pe_data(link_info.output_bfd)->pe_opthdr = pe; 388 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value; 389 390} 391 392/* Callback functions for qsort in sort_sections. */ 393 394static int 395sort_by_file_name (const void *a, const void *b) 396{ 397 const lang_input_section_type *const *ra = a; 398 const lang_input_section_type *const *rb = b; 399 asection *sa = (*ra)->section; 400 asection *sb = (*rb)->section; 401 int i, a_sec, b_sec; 402 403 i = filename_cmp (bfd_get_filename (sa->owner->my_archive), 404 bfd_get_filename (sb->owner->my_archive)); 405 if (i != 0) 406 return i; 407 408 i = filename_cmp (bfd_get_filename (sa->owner), 409 bfd_get_filename (sb->owner)); 410 if (i != 0) 411 return i; 412 /* the tail idata4/5 are the only ones without relocs to an 413 idata$6 section unless we are importing by ordinal, 414 so sort them to last to terminate the IAT 415 and HNT properly. if no reloc this one is import by ordinal 416 so we have to sort by section contents */ 417 418 if (sa->reloc_count + sb->reloc_count != 0) 419 { 420 i = sa->reloc_count > sb->reloc_count ? -1 : 0; 421 if (i != 0) 422 return i; 423 424 return sa->reloc_count > sb->reloc_count ? 0 : 1; 425 } 426 else 427 { 428 /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */ 429 if ((strcmp (sa->name, ".idata$6") == 0)) 430 return 0; 431 432 if (!bfd_get_section_contents (sa->owner, sa, &a_sec, (file_ptr) 0, 433 (bfd_size_type) sizeof (a_sec))) 434 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"), 435 sa->owner); 436 437 if (!bfd_get_section_contents (sb->owner, sb, &b_sec, (file_ptr) 0, 438 (bfd_size_type) sizeof (b_sec))) 439 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"), 440 sb->owner); 441 442 i = a_sec < b_sec ? -1 : 0; 443 if (i != 0) 444 return i; 445 return a_sec < b_sec ? 0 : 1; 446 } 447 return 0; 448} 449 450static int 451sort_by_section_name (const void *a, const void *b) 452{ 453 const lang_input_section_type *const *ra = a; 454 const lang_input_section_type *const *rb = b; 455 const char *sna = (*ra)->section->name; 456 const char *snb = (*rb)->section->name; 457 int i; 458 i = strcmp (sna, snb); 459 /* This is a hack to make .stab and .stabstr last, so we don't have 460 to fix strip/objcopy for .reloc sections. 461 FIXME stripping images with a .rsrc section still needs to be fixed. */ 462 if (i != 0) 463 { 464 if ((startswith (sna, ".stab")) 465 && (!startswith (snb, ".stab"))) 466 return 1; 467 } 468 return i; 469} 470 471/* Subroutine of sort_sections to a contiguous subset of a list of sections. 472 NEXT_AFTER is the element after the last one to sort. 473 The result is a pointer to the last element's "next" pointer. */ 474 475static lang_statement_union_type ** 476sort_sections_1 (lang_statement_union_type **startptr, 477 lang_statement_union_type *next_after, 478 int count, 479 int (*sort_func) (const void *, const void *)) 480{ 481 lang_statement_union_type **vec; 482 lang_statement_union_type *p; 483 int i; 484 lang_statement_union_type **ret; 485 486 if (count == 0) 487 return startptr; 488 489 vec = ((lang_statement_union_type **) 490 xmalloc (count * sizeof (lang_statement_union_type *))); 491 492 for (p = *startptr, i = 0; i < count; i++, p = p->header.next) 493 vec[i] = p; 494 495 qsort (vec, count, sizeof (vec[0]), sort_func); 496 497 /* Fill in the next pointers again. */ 498 *startptr = vec[0]; 499 for (i = 0; i < count - 1; i++) 500 vec[i]->header.next = vec[i + 1]; 501 vec[i]->header.next = next_after; 502 ret = &vec[i]->header.next; 503 free (vec); 504 return ret; 505} 506 507/* Sort the .idata\$foo input sections of archives into filename order. 508 The reason is so dlltool can arrange to have the pe dll import information 509 generated correctly - the head of the list goes into dh.o, the tail into 510 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the 511 .idata section. 512 FIXME: This may no longer be necessary with grouped sections. Instead of 513 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use 514 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t. 515 This would have to be elaborated upon to handle multiple dll's 516 [assuming such an eloboration is possible of course]. 517 518 We also sort sections in '\$' wild statements. These are created by the 519 place_orphans routine to implement grouped sections. */ 520 521static void 522sort_sections (lang_statement_union_type *s) 523{ 524 for (; s ; s = s->header.next) 525 switch (s->header.type) 526 { 527 case lang_output_section_statement_enum: 528 sort_sections (s->output_section_statement.children.head); 529 break; 530 case lang_wild_statement_enum: 531 { 532 lang_statement_union_type **p = &s->wild_statement.children.head; 533 struct wildcard_list *sec; 534 535 for (sec = s->wild_statement.section_list; sec; sec = sec->next) 536 { 537 /* Is this the .idata section? */ 538 if (sec->spec.name != NULL 539 && startswith (sec->spec.name, ".idata")) 540 { 541 /* Sort the children. We want to sort any objects in 542 the same archive. In order to handle the case of 543 including a single archive multiple times, we sort 544 all the children by archive name and then by object 545 name. After sorting them, we re-thread the pointer 546 chain. */ 547 548 while (*p) 549 { 550 lang_statement_union_type *start = *p; 551 if (start->header.type != lang_input_section_enum 552 || !start->input_section.section->owner->my_archive) 553 p = &(start->header.next); 554 else 555 { 556 lang_statement_union_type *end; 557 int count; 558 559 for (end = start, count = 0; 560 end && (end->header.type 561 == lang_input_section_enum); 562 end = end->header.next) 563 count++; 564 565 p = sort_sections_1 (p, end, count, 566 sort_by_file_name); 567 } 568 } 569 break; 570 } 571 572 /* If this is a collection of grouped sections, sort them. 573 The linker script must explicitly mention "*(.foo\$)" or 574 "*(.foo\$*)". Don't sort them if \$ is not the last 575 character (not sure if this is really useful, but it 576 allows explicitly mentioning some \$ sections and letting 577 the linker handle the rest). */ 578 if (sec->spec.name != NULL) 579 { 580 char *q = strchr (sec->spec.name, '\$'); 581 582 if (q != NULL 583 && (q[1] == '\0' 584 || (q[1] == '*' && q[2] == '\0'))) 585 { 586 lang_statement_union_type *end; 587 int count; 588 589 for (end = *p, count = 0; end; end = end->header.next) 590 { 591 if (end->header.type != lang_input_section_enum) 592 abort (); 593 count++; 594 } 595 (void) sort_sections_1 (p, end, count, 596 sort_by_section_name); 597 } 598 break; 599 } 600 } 601 } 602 break; 603 default: 604 break; 605 } 606} 607 608static void 609gld${EMULATION_NAME}_before_allocation (void) 610{ 611#ifdef TARGET_IS_armpe 612 /* FIXME: we should be able to set the size of the interworking stub 613 section. 614 615 Here we rummage through the found bfds to collect glue 616 information. FIXME: should this be based on a command line 617 option? krk@cygnus.com */ 618 { 619 LANG_FOR_EACH_INPUT_STATEMENT (is) 620 { 621 if (!arm_process_before_allocation (is->the_bfd, & link_info)) 622 { 623 einfo (_("%P: errors encountered processing file %s\n"), 624 is->filename); 625 } 626 } 627 } 628 629 /* We have seen it all. Allocate it, and carry on */ 630 arm_allocate_interworking_sections (& link_info); 631#endif /* TARGET_IS_armpe */ 632 633 sort_sections (stat_ptr->head); 634 635 before_allocation_default (); 636} 637 638/* Place an orphan section. We use this to put sections with a '\$' in them 639 into the right place. Any section with a '\$' in them (e.g. .text\$foo) 640 gets mapped to the output section with everything from the '\$' on stripped 641 (e.g. .text). 642 See the Microsoft Portable Executable and Common Object File Format 643 Specification 4.1, section 4.2, Grouped Sections. 644 645 FIXME: This is now handled by the linker script using wildcards, 646 but I'm leaving this here in case we want to enable it for sections 647 which are not mentioned in the linker script. */ 648 649static lang_output_section_statement_type * 650gld${EMULATION_NAME}_place_orphan (asection *s, 651 const char *secname, 652 int constraint) 653{ 654 char *output_secname, *ps; 655 lang_output_section_statement_type *os; 656 lang_statement_union_type *l; 657 658 if ((s->flags & SEC_ALLOC) == 0) 659 return NULL; 660 661 /* Don't process grouped sections unless doing a final link. 662 If they're marked as COMDAT sections, we don't want .text\$foo to 663 end up in .text and then have .text disappear because it's marked 664 link-once-discard. */ 665 if (bfd_link_relocatable (&link_info)) 666 return NULL; 667 668 /* Everything from the '\$' on gets deleted so don't allow '\$' as the 669 first character. */ 670 if (*secname == '\$') 671 einfo (_("%F%P: section %s has '\$' as first character\n"), secname); 672 if (strchr (secname + 1, '\$') == NULL) 673 return NULL; 674 675 /* Look up the output section. The Microsoft specs say sections names in 676 image files never contain a '\$'. Fortunately, lang_..._lookup creates 677 the section if it doesn't exist. */ 678 output_secname = xstrdup (secname); 679 ps = strchr (output_secname + 1, '\$'); 680 *ps = 0; 681 os = lang_output_section_statement_lookup (output_secname, constraint, true); 682 683 /* Find the '\$' wild statement for this section. We currently require the 684 linker script to explicitly mention "*(.foo\$)". */ 685 686 ps[0] = '\$'; 687 ps[1] = 0; 688 for (l = os->children.head; l; l = l->header.next) 689 if (l->header.type == lang_wild_statement_enum) 690 { 691 struct wildcard_list *sec; 692 693 for (sec = l->wild_statement.section_list; sec; sec = sec->next) 694 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0) 695 break; 696 if (sec) 697 break; 698 } 699 ps[0] = 0; 700 if (l == NULL) 701 einfo (_("%F%P: *(%s\$) missing from linker script\n"), output_secname); 702 703 /* Link the input section in and we're done for now. 704 The sections still have to be sorted, but that has to wait until 705 all such sections have been processed by us. The sorting is done by 706 sort_sections. */ 707 lang_add_section (&l->wild_statement.children, s, NULL, NULL, os); 708 709 return os; 710} 711 712static char * 713gld${EMULATION_NAME}_get_script (int *isfile) 714EOF 715 716if test x"$COMPILE_IN" = xyes 717then 718# Scripts compiled in. 719 720# sed commands to quote an ld script as a C string. 721sc="-f stringify.sed" 722 723fragment <<EOF 724{ 725 *isfile = 0; 726 727 if (bfd_link_relocatable (&link_info) && config.build_constructors) 728 return 729EOF 730sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c 731echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c 732sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c 733echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c 734sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c 735echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c 736sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c 737echo ' ; else return' >> e${EMULATION_NAME}.c 738sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c 739echo '; }' >> e${EMULATION_NAME}.c 740 741else 742# Scripts read from the filesystem. 743 744fragment <<EOF 745{ 746 *isfile = 1; 747 748 if (bfd_link_relocatable (&link_info) && config.build_constructors) 749 return "ldscripts/${EMULATION_NAME}.xu"; 750 else if (bfd_link_relocatable (&link_info)) 751 return "ldscripts/${EMULATION_NAME}.xr"; 752 else if (!config.text_read_only) 753 return "ldscripts/${EMULATION_NAME}.xbn"; 754 else if (!config.magic_demand_paged) 755 return "ldscripts/${EMULATION_NAME}.xn"; 756 else 757 return "ldscripts/${EMULATION_NAME}.x"; 758} 759EOF 760fi 761 762LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open 763LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation 764LDEMUL_PLACE_ORPHAN=gld${EMULATION_NAME}_place_orphan 765LDEMUL_SET_SYMBOLS=gld${EMULATION_NAME}_set_symbols 766LDEMUL_ADD_OPTIONS=gld${EMULATION_NAME}_add_options 767LDEMUL_HANDLE_OPTION=gld${EMULATION_NAME}_handle_option 768 769source_em ${srcdir}/emultempl/emulation.em 770