1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 cat >e${EMULATION_NAME}.c <<EOF
4 /* This file is part of GLD, the Gnu Linker.
5 Copyright 1995, 96, 97, 1998 Free Software Foundation, Inc.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 /* The original file generated returned different default scripts depending
23 on whether certain switches were set, but these switches pertain to the
24 Linux system and that particular version of coff. In the NT case, we
25 only determine if the subsystem is console or windows in order to select
26 the correct entry point by default. */
32 #include "libiberty.h"
43 #include "coff/internal.h"
44 #include "../bfd/libcoff.h"
47 #define TARGET_IS_${EMULATION_NAME}
49 static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
50 static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
51 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
52 static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
53 static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
54 static boolean gld_${EMULATION_NAME}_place_orphan
55 PARAMS ((lang_input_statement_type *, asection *));
56 static void gld${EMULATION_NAME}_place_section
57 PARAMS ((lang_statement_union_type *));
58 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
59 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
61 static struct internal_extra_pe_aouthdr pe;
63 static int support_old_code = 0;
64 def_file *pe_def_file = 0;
65 static lang_assignment_statement_type *image_base_statement = 0;
67 static char *pe_out_def_filename = 0;
68 int pe_dll_export_everything = 0;
69 int pe_dll_do_default_excludes = 1;
70 int pe_dll_kill_ats = 0;
71 int pe_dll_stdcall_aliases = 0;
72 int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
73 static char *pe_implib_filename = 0;
75 extern const char *output_filename;
78 gld_${EMULATION_NAME}_before_parse()
80 output_filename = "a.exe";
81 ldfile_output_architecture = bfd_arch_${ARCH};
82 #ifdef TARGET_IS_i386pe
83 config.has_shared = 1;
87 /* PE format extra command line options. */
89 /* Used for setting flags in the PE header. */
90 #define OPTION_BASE_FILE (300 + 1)
91 #define OPTION_DLL (OPTION_BASE_FILE + 1)
92 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
93 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
94 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
95 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
96 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
97 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
98 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
99 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
100 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
101 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
102 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
103 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
104 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
105 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
106 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
107 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
108 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
109 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
110 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
111 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
112 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
114 static struct option longopts[] =
117 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
118 {"dll", no_argument, NULL, OPTION_DLL},
119 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
120 {"heap", required_argument, NULL, OPTION_HEAP},
121 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
122 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
123 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
124 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
125 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
126 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
127 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
128 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
129 {"stack", required_argument, NULL, OPTION_STACK},
130 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
131 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
132 #ifdef TARGET_IS_i386pe
133 /* getopt allows abbreviations, so we do this to stop it from treating -o
134 as an abbreviation for this option */
135 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
136 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
137 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
138 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
139 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
140 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
141 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
142 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
143 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
145 {NULL, no_argument, NULL, 0}
149 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
150 parameters which may be input from the command line */
161 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
163 static definfo init[] =
165 /* imagebase must be first */
166 #define IMAGEBASEOFF 0
167 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
169 {&dll, sizeof(dll), 0, "__dll__"},
170 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
171 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
172 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
173 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
174 D(MajorImageVersion,"__major_image_version__", 1),
175 D(MinorImageVersion,"__minor_image_version__", 0),
176 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
177 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
178 D(Subsystem,"__subsystem__", 3),
179 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
180 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
181 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
182 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
183 D(LoaderFlags,"__loader_flags__", 0x0),
184 { NULL, 0, 0, NULL, 0 }
188 gld_${EMULATION_NAME}_list_options (file)
191 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
192 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
193 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
194 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
195 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
196 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
197 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
198 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
199 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
200 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
201 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
202 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
203 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
204 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
205 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
206 #ifdef TARGET_IS_i386pe
207 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
208 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
209 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
210 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
211 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
212 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
213 fprintf (file, _(" --out-implib <file> Generate import library\n"));
214 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
219 set_pe_name (name, val)
224 /* Find the name and set it. */
225 for (i = 0; init[i].ptr; i++)
227 if (strcmp (name, init[i].symbol) == 0)
252 { "native", 1, "_NtProcessStartup" },
253 { "windows", 2, "_WinMainCRTStartup" },
254 { "console", 3, "_mainCRTStartup" },
256 /* The Microsoft linker does not recognize this. */
259 { "posix", 7, "___PosixProcessStartup"},
263 sver = strchr (optarg, ':');
265 len = strlen (optarg);
271 set_pe_name ("__major_subsystem_version__",
272 strtoul (sver + 1, &end, 0));
274 set_pe_name ("__minor_subsystem_version__",
275 strtoul (end + 1, &end, 0));
277 einfo (_("%P: warning: bad version number in -subsystem option\n"));
280 for (i = 0; v[i].name; i++)
282 if (strncmp (optarg, v[i].name, len) == 0
283 && v[i].name[len] == '\0')
285 set_pe_name ("__subsystem__", v[i].value);
287 lang_add_entry (v[i].entry, 1);
293 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
305 set_pe_name (name, strtoul (optarg, &end, 0));
308 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
314 set_pe_stack_heap (resname, comname)
318 set_pe_value (resname);
323 set_pe_value (comname);
326 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
332 gld_${EMULATION_NAME}_parse_args(argc, argv)
338 int prevoptind = optind;
339 int prevopterr = opterr;
341 static int lastoptind = -1;
343 if (lastoptind != optind)
349 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
360 case OPTION_BASE_FILE:
361 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
362 if (link_info.base_file == NULL)
364 /* xgettext:c-format */
365 fprintf (stderr, _("%s: Can't open base file %s\n"),
366 program_name, optarg);
373 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
376 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
378 case OPTION_SUBSYSTEM:
381 case OPTION_MAJOR_OS_VERSION:
382 set_pe_value ("__major_os_version__");
384 case OPTION_MINOR_OS_VERSION:
385 set_pe_value ("__minor_os_version__");
387 case OPTION_MAJOR_SUBSYSTEM_VERSION:
388 set_pe_value ("__major_subsystem_version__");
390 case OPTION_MINOR_SUBSYSTEM_VERSION:
391 set_pe_value ("__minor_subsystem_version__");
393 case OPTION_MAJOR_IMAGE_VERSION:
394 set_pe_value ("__major_image_version__");
396 case OPTION_MINOR_IMAGE_VERSION:
397 set_pe_value ("__minor_image_version__");
399 case OPTION_FILE_ALIGNMENT:
400 set_pe_value ("__file_alignment__");
402 case OPTION_SECTION_ALIGNMENT:
403 set_pe_value ("__section_alignment__");
406 set_pe_name ("__dll__", 1);
408 case OPTION_IMAGE_BASE:
409 set_pe_value ("__image_base__");
411 case OPTION_SUPPORT_OLD_CODE:
412 support_old_code = 1;
415 pe_out_def_filename = xstrdup (optarg);
417 case OPTION_EXPORT_ALL:
418 pe_dll_export_everything = 1;
420 case OPTION_EXCLUDE_SYMBOLS:
421 pe_dll_add_excludes (optarg);
423 case OPTION_KILL_ATS:
426 case OPTION_STDCALL_ALIASES:
427 pe_dll_stdcall_aliases = 1;
429 case OPTION_ENABLE_STDCALL_FIXUP:
430 pe_enable_stdcall_fixup = 1;
432 case OPTION_DISABLE_STDCALL_FIXUP:
433 pe_enable_stdcall_fixup = 0;
435 case OPTION_IMPLIB_FILENAME:
436 pe_implib_filename = xstrdup (optarg);
442 /* Assign values to the special symbols before the linker script is
446 gld_${EMULATION_NAME}_set_symbols ()
448 /* Run through and invent symbols for all the
449 names and insert the defaults. */
451 lang_statement_list_type *save;
453 if (!init[IMAGEBASEOFF].inited)
455 if (link_info.relocateable)
456 init[IMAGEBASEOFF].value = 0;
457 else if (init[DLLOFF].value || link_info.shared)
458 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
460 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
463 /* Don't do any symbol assignments if this is a relocateable link. */
464 if (link_info.relocateable)
467 /* Glue the assignments into the abs section */
470 stat_ptr = &(abs_output_section->children);
472 for (j = 0; init[j].ptr; j++)
474 long val = init[j].value;
475 lang_assignment_statement_type *rv;
476 rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
477 if (init[j].size == sizeof(short))
478 *(short *)init[j].ptr = val;
479 else if (init[j].size == sizeof(int))
480 *(int *)init[j].ptr = val;
481 else if (init[j].size == sizeof(long))
482 *(long *)init[j].ptr = val;
483 /* This might be a long long or other special type. */
484 else if (init[j].size == sizeof(bfd_vma))
485 *(bfd_vma *)init[j].ptr = val;
487 if (j == IMAGEBASEOFF)
488 image_base_statement = rv;
490 /* Restore the pointer. */
493 if (pe.FileAlignment >
496 einfo (_("%P: warning, file alignment > section alignment.\n"));
500 /* This is called after the linker script and the command line options
504 gld_${EMULATION_NAME}_after_parse ()
506 /* The Windows libraries are designed for the linker to treat the
507 entry point as an undefined symbol. Otherwise, the .obj that
508 defines mainCRTStartup is brought in because it is the first
509 encountered in libc.lib and it has other symbols in it which will
510 be pulled in by the link process. To avoid this, we act as
511 though the user specified -u with the entry point symbol.
513 This function is called after the linker script and command line
514 options have been read, so at this point we know the right entry
515 point. This function is called before the input files are
516 opened, so registering the symbol as undefined will make a
520 ldlang_add_undef (entry_symbol);
523 static struct bfd_link_hash_entry *pe_undef_found_sym;
526 pe_undef_cdecl_match (h, string)
527 struct bfd_link_hash_entry *h;
530 int sl = strlen (string);
531 if (h->type == bfd_link_hash_defined
532 && strncmp (h->root.string, string, sl) == 0
533 && h->root.string[sl] == '@')
535 pe_undef_found_sym = h;
544 static int gave_warning_message = 0;
545 struct bfd_link_hash_entry *undef, *sym;
547 for (undef = link_info.hash->undefs; undef; undef=undef->next)
548 if (undef->type == bfd_link_hash_undefined)
550 at = strchr (undef->root.string, '@');
553 /* The symbol is a stdcall symbol, so let's look for a cdecl
554 symbol with the same name and resolve to that */
555 char *cname = xstrdup (undef->root.string);
556 at = strchr (cname, '@');
558 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
559 if (sym && sym->type == bfd_link_hash_defined)
561 undef->type = bfd_link_hash_defined;
562 undef->u.def.value = sym->u.def.value;
563 undef->u.def.section = sym->u.def.section;
564 if (pe_enable_stdcall_fixup == -1)
566 einfo (_("Warning: resolving %s by linking to %s\n"),
567 undef->root.string, cname);
568 if (! gave_warning_message)
570 gave_warning_message = 1;
571 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
572 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
579 /* The symbol is a cdecl symbol, so we look for stdcall
580 symbols - which means scanning the whole symbol table */
581 pe_undef_found_sym = 0;
582 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
583 (PTR) undef->root.string);
584 sym = pe_undef_found_sym;
587 undef->type = bfd_link_hash_defined;
588 undef->u.def.value = sym->u.def.value;
589 undef->u.def.section = sym->u.def.section;
590 if (pe_enable_stdcall_fixup == -1)
592 einfo (_("Warning: resolving %s by linking to %s\n"),
593 undef->root.string, sym->root.string);
594 if (! gave_warning_message)
596 gave_warning_message = 1;
597 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
598 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
607 gld_${EMULATION_NAME}_after_open ()
609 /* Pass the wacky PE command line options into the output bfd.
610 FIXME: This should be done via a function, rather than by
611 including an internal BFD header. */
613 if (!coff_data (output_bfd)->pe)
614 einfo (_("%F%P: PE operations on non PE file.\n"));
616 pe_data (output_bfd)->pe_opthdr = pe;
617 pe_data (output_bfd)->dll = init[DLLOFF].value;
619 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
620 pe_fixup_stdcalls ();
622 #ifdef TARGET_IS_i386pe
623 pe_process_import_defs(output_bfd, &link_info);
624 if (link_info.shared)
625 pe_dll_build_sections (output_bfd, &link_info);
628 #ifdef TARGET_IS_armpe
630 /* Find a BFD that can hold the interworking stubs. */
631 LANG_FOR_EACH_INPUT_STATEMENT (is)
633 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
641 gld_${EMULATION_NAME}_before_allocation()
643 #ifdef TARGET_IS_ppcpe
644 /* Here we rummage through the found bfds to collect toc information */
646 LANG_FOR_EACH_INPUT_STATEMENT (is)
648 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
650 /* xgettext:c-format */
651 einfo (_("Errors encountered processing file %s\n"), is->filename);
656 /* We have seen it all. Allocate it, and carry on */
657 ppc_allocate_toc_section (&link_info);
658 #endif /* TARGET_IS_ppcpe */
660 #ifdef TARGET_IS_armpe
661 /* FIXME: we should be able to set the size of the interworking stub
664 Here we rummage through the found bfds to collect glue
665 information. FIXME: should this be based on a command line
666 option? krk@cygnus.com */
668 LANG_FOR_EACH_INPUT_STATEMENT (is)
670 if (! bfd_arm_process_before_allocation
671 (is->the_bfd, & link_info, support_old_code))
673 /* xgettext:c-format */
674 einfo (_("Errors encountered processing file %s for interworking"),
680 /* We have seen it all. Allocate it, and carry on */
681 bfd_arm_allocate_interworking_sections (& link_info);
682 #endif /* TARGET_IS_armpe */
686 /* This is called when an input file isn't recognized as a BFD. We
687 check here for .DEF files and pull them in automatically. */
690 saw_option(char *option)
693 for (i=0; init[i].ptr; i++)
694 if (strcmp (init[i].symbol, option) == 0)
695 return init[i].inited;
700 gld_${EMULATION_NAME}_unrecognized_file(entry)
701 lang_input_statement_type *entry;
703 #ifdef TARGET_IS_i386pe
704 const char *ext = entry->filename + strlen (entry->filename) - 4;
706 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
708 if (pe_def_file == 0)
709 pe_def_file = def_file_empty ();
710 def_file_parse (entry->filename, pe_def_file);
713 int i, buflen=0, len;
715 for (i=0; i<pe_def_file->num_exports; i++)
717 len = strlen(pe_def_file->exports[i].internal_name);
721 buf = (char *) xmalloc (buflen);
722 for (i=0; i<pe_def_file->num_exports; i++)
724 struct bfd_link_hash_entry *h;
725 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
727 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
728 if (h == (struct bfd_link_hash_entry *) NULL)
729 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
730 if (h->type == bfd_link_hash_new)
732 h->type = bfd_link_hash_undefined;
733 h->u.undef.abfd = NULL;
734 bfd_link_add_undef (link_info.hash, h);
739 /* def_file_print (stdout, pe_def_file); */
740 if (pe_def_file->is_dll == 1)
741 link_info.shared = 1;
743 if (pe_def_file->base_address != (bfd_vma)(-1))
746 pe_data (output_bfd)->pe_opthdr.ImageBase =
747 init[IMAGEBASEOFF].value = pe_def_file->base_address;
748 init[IMAGEBASEOFF].inited = 1;
749 if (image_base_statement)
750 image_base_statement->exp =
751 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
755 /* Not sure if these *should* be set */
756 if (pe_def_file->version_major != -1)
758 pe.MajorImageVersion = pe_def_file->version_major;
759 pe.MinorImageVersion = pe_def_file->version_minor;
762 if (pe_def_file->stack_reserve != -1
763 && ! saw_option ("__size_of_stack_reserve__"))
765 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
766 if (pe_def_file->stack_commit != -1)
767 pe.SizeOfStackCommit = pe_def_file->stack_commit;
769 if (pe_def_file->heap_reserve != -1
770 && ! saw_option ("__size_of_heap_reserve__"))
772 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
773 if (pe_def_file->heap_commit != -1)
774 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
785 gld_${EMULATION_NAME}_finish ()
787 #ifdef TARGET_IS_i386pe
788 if (link_info.shared)
790 pe_dll_fill_sections (output_bfd, &link_info);
791 if (pe_implib_filename)
792 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
794 if (pe_out_def_filename)
795 pe_dll_generate_def_file (pe_out_def_filename);
800 /* Place an orphan section.
802 We use this to put sections in a reasonable place in the file, and
803 to ensure that they are aligned as required.
805 We handle grouped sections here as well. A section named .foo$nn
806 goes into the output section .foo. All grouped sections are sorted
809 Grouped sections for the default sections are handled by the
810 default linker script using wildcards, and are sorted by
813 static asection *hold_section;
814 static char *hold_section_name;
815 static lang_output_section_statement_type *hold_use;
816 static lang_output_section_statement_type *hold_text;
817 static lang_output_section_statement_type *hold_rdata;
818 static lang_output_section_statement_type *hold_data;
819 static lang_output_section_statement_type *hold_bss;
821 /* Place an orphan section. We use this to put random SHF_ALLOC
822 sections in the right segment. */
826 gld_${EMULATION_NAME}_place_orphan (file, s)
827 lang_input_statement_type *file;
833 if ((s->flags & SEC_ALLOC) == 0)
836 secname = bfd_get_section_name (s->owner, s);
838 /* Look through the script to see where to place this section. */
842 hold_section_name = xstrdup (secname);
843 dollar = strchr (hold_section_name, '$');
848 lang_for_each_statement (gld${EMULATION_NAME}_place_section);
850 if (hold_use == NULL)
852 lang_output_section_statement_type *place;
854 asection *snew, **pps;
855 lang_statement_list_type *old;
856 lang_statement_list_type add;
859 /* Try to put the new output section in a reasonable place based
860 on the section name and section flags. */
862 if ((s->flags & SEC_HAS_CONTENTS) == 0
865 else if ((s->flags & SEC_READONLY) == 0
866 && hold_data != NULL)
868 else if ((s->flags & SEC_CODE) == 0
869 && (s->flags & SEC_READONLY) != 0
870 && hold_rdata != NULL)
872 else if ((s->flags & SEC_READONLY) != 0
873 && hold_text != NULL)
876 /* Choose a unique name for the section. This will be needed if
877 the same section name appears in the input file with
878 different loadable or allocateable characteristics. */
879 outsecname = xstrdup (hold_section_name);
880 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
886 len = strlen (outsecname);
887 newname = xmalloc (len + 5);
888 strcpy (newname, outsecname);
892 sprintf (newname + len, "%d", i);
895 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
898 outsecname = newname;
901 /* We don't want to free OUTSECNAME, as it may get attached to
902 the output section statement. */
904 /* Create the section in the output file, and put it in the
905 right place. This shuffling is to make the output file look
907 snew = bfd_make_section (output_bfd, outsecname);
909 einfo ("%P%F: output format %s cannot represent section called %s\n",
910 output_bfd->xvec->name, outsecname);
911 if (place != NULL && place->bfd_section != NULL)
913 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
916 snew->next = place->bfd_section->next;
917 place->bfd_section->next = snew;
920 /* Start building a list of statements for this section. */
923 lang_list_init (stat_ptr);
925 if (link_info.relocateable)
929 /* All sections in an executable must be aligned to a page
931 address = exp_unop (ALIGN_K,
932 exp_nameop (NAME, "__section_alignment__"));
935 lang_enter_output_section_statement (outsecname, address, 0,
939 (etree_type *) NULL);
941 hold_use = lang_output_section_statement_lookup (outsecname);
943 lang_leave_output_section_statement
944 ((bfd_vma) 0, "*default*",
945 (struct lang_output_section_phdr_list *) NULL);
947 /* Now stick the new statement list right after PLACE. */
950 *add.tail = place->header.next;
951 place->header.next = add.head;
958 wild_doit (&hold_use->children, s, hold_use, file);
961 lang_statement_union_type **pl;
962 boolean found_dollar;
963 lang_statement_list_type list;
965 /* The section name has a '$'. Sort it with the other '$'
968 found_dollar = false;
969 for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next)
971 lang_input_section_type *ls;
974 if ((*pl)->header.type != lang_input_section_enum)
977 ls = &(*pl)->input_section;
979 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
980 if (strchr (lname, '$') == NULL)
988 if (strcmp (secname, lname) < 0)
993 lang_list_init (&list);
994 wild_doit (&list, s, hold_use, file);
995 if (list.head != NULL)
997 ASSERT (list.head->next == NULL);
998 list.head->next = *pl;
1003 free (hold_section_name);
1009 gld${EMULATION_NAME}_place_section (s)
1010 lang_statement_union_type *s;
1012 lang_output_section_statement_type *os;
1014 if (s->header.type != lang_output_section_statement_enum)
1017 os = &s->output_section_statement;
1019 if (strcmp (os->name, hold_section_name) == 0
1020 && os->bfd_section != NULL
1021 && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
1022 == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
1025 if (strcmp (os->name, ".text") == 0)
1027 else if (strcmp (os->name, ".rdata") == 0)
1029 else if (strcmp (os->name, ".data") == 0)
1031 else if (strcmp (os->name, ".bss") == 0)
1036 gld_${EMULATION_NAME}_get_script(isfile)
1039 # Scripts compiled in.
1040 # sed commands to quote an ld script as a C string.
1041 sc="-f ${srcdir}/emultempl/stringify.sed"
1043 cat >>e${EMULATION_NAME}.c <<EOF
1047 if (link_info.relocateable == true && config.build_constructors == true)
1050 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1051 echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1052 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1053 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1054 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1055 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1056 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1057 echo ' ; else return' >> e${EMULATION_NAME}.c
1058 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1059 echo '; }' >> e${EMULATION_NAME}.c
1061 cat >>e${EMULATION_NAME}.c <<EOF
1064 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1066 gld_${EMULATION_NAME}_before_parse,
1069 gld_${EMULATION_NAME}_after_parse,
1070 gld_${EMULATION_NAME}_after_open,
1071 after_allocation_default,
1072 set_output_arch_default,
1073 ldemul_default_target,
1074 gld_${EMULATION_NAME}_before_allocation,
1075 gld_${EMULATION_NAME}_get_script,
1076 "${EMULATION_NAME}",
1078 gld_${EMULATION_NAME}_finish, /* finish */
1079 NULL, /* create output section statements */
1080 NULL, /* open dynamic archive */
1081 gld_${EMULATION_NAME}_place_orphan,
1082 gld_${EMULATION_NAME}_set_symbols,
1083 gld_${EMULATION_NAME}_parse_args,
1084 gld_${EMULATION_NAME}_unrecognized_file,
1085 gld_${EMULATION_NAME}_list_options