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_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
61 static struct internal_extra_pe_aouthdr pe;
63 static int support_old_code = 0;
64 extern def_file *pe_def_file;
65 static lang_assignment_statement_type *image_base_statement = 0;
67 static char *pe_out_def_filename = 0;
68 extern int pe_dll_export_everything;
69 extern int pe_dll_kill_ats;
70 extern int pe_dll_stdcall_aliases;
71 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
72 static char *pe_implib_filename = 0;
74 extern const char *output_filename;
77 gld_${EMULATION_NAME}_before_parse()
79 output_filename = "a.exe";
80 ldfile_output_architecture = bfd_arch_${ARCH};
81 #ifdef TARGET_IS_i386pe
82 config.has_shared = 1;
86 /* PE format extra command line options. */
88 /* Used for setting flags in the PE header. */
89 #define OPTION_BASE_FILE (300 + 1)
90 #define OPTION_DLL (OPTION_BASE_FILE + 1)
91 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
92 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
93 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
94 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
95 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
96 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
97 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
98 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
99 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
100 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
101 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
102 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
103 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
104 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
105 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
106 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
107 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
108 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
109 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
110 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
111 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
113 static struct option longopts[] =
116 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
117 {"dll", no_argument, NULL, OPTION_DLL},
118 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
119 {"heap", required_argument, NULL, OPTION_HEAP},
120 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
121 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
122 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
123 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
124 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
125 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
126 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
127 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
128 {"stack", required_argument, NULL, OPTION_STACK},
129 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
130 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
131 #ifdef TARGET_IS_i386pe
132 /* getopt allows abbreviations, so we do this to stop it from treating -o
133 as an abbreviation for this option */
134 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
135 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
136 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
137 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
138 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
139 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
140 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
141 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
142 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
144 {NULL, no_argument, NULL, 0}
148 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
149 parameters which may be input from the command line */
160 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
162 static definfo init[] =
164 /* imagebase must be first */
165 #define IMAGEBASEOFF 0
166 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
168 {&dll, sizeof(dll), 0, "__dll__"},
169 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
170 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
171 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
172 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
173 D(MajorImageVersion,"__major_image_version__", 1),
174 D(MinorImageVersion,"__minor_image_version__", 0),
175 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
176 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
177 D(Subsystem,"__subsystem__", 3),
178 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
179 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
180 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
181 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
182 D(LoaderFlags,"__loader_flags__", 0x0),
183 { NULL, 0, 0, NULL, 0 }
187 gld_${EMULATION_NAME}_list_options (file)
190 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
191 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
192 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
193 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
194 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
195 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
196 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
197 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
198 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
199 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
200 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
201 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
202 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
203 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
204 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
205 #ifdef TARGET_IS_i386pe
206 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
207 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
208 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
209 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
210 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
211 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
212 fprintf (file, _(" --out-implib <file> Generate import library\n"));
213 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
218 set_pe_name (name, val)
223 /* Find the name and set it. */
224 for (i = 0; init[i].ptr; i++)
226 if (strcmp (name, init[i].symbol) == 0)
251 { "native", 1, "_NtProcessStartup" },
252 { "windows", 2, "_WinMainCRTStartup" },
253 { "console", 3, "_mainCRTStartup" },
255 /* The Microsoft linker does not recognize this. */
258 { "posix", 7, "___PosixProcessStartup"},
262 sver = strchr (optarg, ':');
264 len = strlen (optarg);
270 set_pe_name ("__major_subsystem_version__",
271 strtoul (sver + 1, &end, 0));
273 set_pe_name ("__minor_subsystem_version__",
274 strtoul (end + 1, &end, 0));
276 einfo (_("%P: warning: bad version number in -subsystem option\n"));
279 for (i = 0; v[i].name; i++)
281 if (strncmp (optarg, v[i].name, len) == 0
282 && v[i].name[len] == '\0')
284 set_pe_name ("__subsystem__", v[i].value);
286 lang_add_entry (v[i].entry, 1);
292 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
304 set_pe_name (name, strtoul (optarg, &end, 0));
307 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
313 set_pe_stack_heap (resname, comname)
317 set_pe_value (resname);
322 set_pe_value (comname);
325 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
331 gld_${EMULATION_NAME}_parse_args(argc, argv)
337 int prevoptind = optind;
338 int prevopterr = opterr;
340 static int lastoptind = -1;
342 if (lastoptind != optind)
348 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
359 case OPTION_BASE_FILE:
360 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
361 if (link_info.base_file == NULL)
363 /* xgettext:c-format */
364 fprintf (stderr, _("%s: Can't open base file %s\n"),
365 program_name, optarg);
372 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
375 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
377 case OPTION_SUBSYSTEM:
380 case OPTION_MAJOR_OS_VERSION:
381 set_pe_value ("__major_os_version__");
383 case OPTION_MINOR_OS_VERSION:
384 set_pe_value ("__minor_os_version__");
386 case OPTION_MAJOR_SUBSYSTEM_VERSION:
387 set_pe_value ("__major_subsystem_version__");
389 case OPTION_MINOR_SUBSYSTEM_VERSION:
390 set_pe_value ("__minor_subsystem_version__");
392 case OPTION_MAJOR_IMAGE_VERSION:
393 set_pe_value ("__major_image_version__");
395 case OPTION_MINOR_IMAGE_VERSION:
396 set_pe_value ("__minor_image_version__");
398 case OPTION_FILE_ALIGNMENT:
399 set_pe_value ("__file_alignment__");
401 case OPTION_SECTION_ALIGNMENT:
402 set_pe_value ("__section_alignment__");
405 set_pe_name ("__dll__", 1);
407 case OPTION_IMAGE_BASE:
408 set_pe_value ("__image_base__");
410 case OPTION_SUPPORT_OLD_CODE:
411 support_old_code = 1;
414 pe_out_def_filename = xstrdup (optarg);
416 case OPTION_EXPORT_ALL:
417 pe_dll_export_everything = 1;
419 case OPTION_EXCLUDE_SYMBOLS:
420 #ifdef TARGET_IS_i386pe
421 pe_dll_add_excludes (optarg);
424 case OPTION_KILL_ATS:
427 case OPTION_STDCALL_ALIASES:
428 pe_dll_stdcall_aliases = 1;
430 case OPTION_ENABLE_STDCALL_FIXUP:
431 pe_enable_stdcall_fixup = 1;
433 case OPTION_DISABLE_STDCALL_FIXUP:
434 pe_enable_stdcall_fixup = 0;
436 case OPTION_IMPLIB_FILENAME:
437 pe_implib_filename = xstrdup (optarg);
443 /* Assign values to the special symbols before the linker script is
447 gld_${EMULATION_NAME}_set_symbols ()
449 /* Run through and invent symbols for all the
450 names and insert the defaults. */
452 lang_statement_list_type *save;
454 if (!init[IMAGEBASEOFF].inited)
456 if (link_info.relocateable)
457 init[IMAGEBASEOFF].value = 0;
458 else if (init[DLLOFF].value || link_info.shared)
459 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
461 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
464 /* Don't do any symbol assignments if this is a relocateable link. */
465 if (link_info.relocateable)
468 /* Glue the assignments into the abs section */
471 stat_ptr = &(abs_output_section->children);
473 for (j = 0; init[j].ptr; j++)
475 long val = init[j].value;
476 lang_assignment_statement_type *rv;
477 rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
478 if (init[j].size == sizeof(short))
479 *(short *)init[j].ptr = val;
480 else if (init[j].size == sizeof(int))
481 *(int *)init[j].ptr = val;
482 else if (init[j].size == sizeof(long))
483 *(long *)init[j].ptr = val;
484 /* This might be a long long or other special type. */
485 else if (init[j].size == sizeof(bfd_vma))
486 *(bfd_vma *)init[j].ptr = val;
488 if (j == IMAGEBASEOFF)
489 image_base_statement = rv;
491 /* Restore the pointer. */
494 if (pe.FileAlignment >
497 einfo (_("%P: warning, file alignment > section alignment.\n"));
501 /* This is called after the linker script and the command line options
505 gld_${EMULATION_NAME}_after_parse ()
507 /* The Windows libraries are designed for the linker to treat the
508 entry point as an undefined symbol. Otherwise, the .obj that
509 defines mainCRTStartup is brought in because it is the first
510 encountered in libc.lib and it has other symbols in it which will
511 be pulled in by the link process. To avoid this, we act as
512 though the user specified -u with the entry point symbol.
514 This function is called after the linker script and command line
515 options have been read, so at this point we know the right entry
516 point. This function is called before the input files are
517 opened, so registering the symbol as undefined will make a
521 ldlang_add_undef (entry_symbol);
524 static struct bfd_link_hash_entry *pe_undef_found_sym;
527 pe_undef_cdecl_match (h, string)
528 struct bfd_link_hash_entry *h;
531 int sl = strlen (string);
532 if (h->type == bfd_link_hash_defined
533 && strncmp (h->root.string, string, sl) == 0
534 && h->root.string[sl] == '@')
536 pe_undef_found_sym = h;
545 static int gave_warning_message = 0;
546 struct bfd_link_hash_entry *undef, *sym;
548 for (undef = link_info.hash->undefs; undef; undef=undef->next)
549 if (undef->type == bfd_link_hash_undefined)
551 at = strchr (undef->root.string, '@');
554 /* The symbol is a stdcall symbol, so let's look for a cdecl
555 symbol with the same name and resolve to that */
556 char *cname = xstrdup (undef->root.string);
557 at = strchr (cname, '@');
559 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
560 if (sym && sym->type == bfd_link_hash_defined)
562 undef->type = bfd_link_hash_defined;
563 undef->u.def.value = sym->u.def.value;
564 undef->u.def.section = sym->u.def.section;
565 if (pe_enable_stdcall_fixup == -1)
567 einfo (_("Warning: resolving %s by linking to %s\n"),
568 undef->root.string, cname);
569 if (! gave_warning_message)
571 gave_warning_message = 1;
572 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
573 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
580 /* The symbol is a cdecl symbol, so we look for stdcall
581 symbols - which means scanning the whole symbol table */
582 pe_undef_found_sym = 0;
583 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
584 (PTR) undef->root.string);
585 sym = pe_undef_found_sym;
588 undef->type = bfd_link_hash_defined;
589 undef->u.def.value = sym->u.def.value;
590 undef->u.def.section = sym->u.def.section;
591 if (pe_enable_stdcall_fixup == -1)
593 einfo (_("Warning: resolving %s by linking to %s\n"),
594 undef->root.string, sym->root.string);
595 if (! gave_warning_message)
597 gave_warning_message = 1;
598 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
599 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
608 gld_${EMULATION_NAME}_after_open ()
610 /* Pass the wacky PE command line options into the output bfd.
611 FIXME: This should be done via a function, rather than by
612 including an internal BFD header. */
614 if (!coff_data (output_bfd)->pe)
615 einfo (_("%F%P: PE operations on non PE file.\n"));
617 pe_data (output_bfd)->pe_opthdr = pe;
618 pe_data (output_bfd)->dll = init[DLLOFF].value;
620 #ifdef TARGET_IS_i386pe
621 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
622 pe_fixup_stdcalls ();
624 pe_process_import_defs(output_bfd, &link_info);
625 if (link_info.shared)
626 pe_dll_build_sections (output_bfd, &link_info);
629 #ifdef TARGET_IS_armpe
631 /* Find a BFD that can hold the interworking stubs. */
632 LANG_FOR_EACH_INPUT_STATEMENT (is)
634 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
642 gld_${EMULATION_NAME}_before_allocation()
644 #ifdef TARGET_IS_ppcpe
645 /* Here we rummage through the found bfds to collect toc information */
647 LANG_FOR_EACH_INPUT_STATEMENT (is)
649 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
651 /* xgettext:c-format */
652 einfo (_("Errors encountered processing file %s\n"), is->filename);
657 /* We have seen it all. Allocate it, and carry on */
658 ppc_allocate_toc_section (&link_info);
659 #endif /* TARGET_IS_ppcpe */
661 #ifdef TARGET_IS_armpe
662 /* FIXME: we should be able to set the size of the interworking stub
665 Here we rummage through the found bfds to collect glue
666 information. FIXME: should this be based on a command line
669 LANG_FOR_EACH_INPUT_STATEMENT (is)
671 if (! bfd_arm_process_before_allocation
672 (is->the_bfd, & link_info, support_old_code))
674 /* xgettext:c-format */
675 einfo (_("Errors encountered processing file %s for interworking"),
681 /* We have seen it all. Allocate it, and carry on */
682 bfd_arm_allocate_interworking_sections (& link_info);
683 #endif /* TARGET_IS_armpe */
687 /* This is called when an input file isn't recognized as a BFD. We
688 check here for .DEF files and pull them in automatically. */
691 saw_option(char *option)
694 for (i=0; init[i].ptr; i++)
695 if (strcmp (init[i].symbol, option) == 0)
696 return init[i].inited;
701 gld_${EMULATION_NAME}_unrecognized_file(entry)
702 lang_input_statement_type *entry;
704 #ifdef TARGET_IS_i386pe
705 const char *ext = entry->filename + strlen (entry->filename) - 4;
707 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
709 if (pe_def_file == 0)
710 pe_def_file = def_file_empty ();
711 def_file_parse (entry->filename, pe_def_file);
714 int i, buflen=0, len;
716 for (i=0; i<pe_def_file->num_exports; i++)
718 len = strlen(pe_def_file->exports[i].internal_name);
722 buf = (char *) xmalloc (buflen);
723 for (i=0; i<pe_def_file->num_exports; i++)
725 struct bfd_link_hash_entry *h;
726 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
728 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
729 if (h == (struct bfd_link_hash_entry *) NULL)
730 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
731 if (h->type == bfd_link_hash_new)
733 h->type = bfd_link_hash_undefined;
734 h->u.undef.abfd = NULL;
735 bfd_link_add_undef (link_info.hash, h);
740 /* def_file_print (stdout, pe_def_file); */
741 if (pe_def_file->is_dll == 1)
742 link_info.shared = 1;
744 if (pe_def_file->base_address != (bfd_vma)(-1))
747 pe_data (output_bfd)->pe_opthdr.ImageBase =
748 init[IMAGEBASEOFF].value = pe_def_file->base_address;
749 init[IMAGEBASEOFF].inited = 1;
750 if (image_base_statement)
751 image_base_statement->exp =
752 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
756 /* Not sure if these *should* be set */
757 if (pe_def_file->version_major != -1)
759 pe.MajorImageVersion = pe_def_file->version_major;
760 pe.MinorImageVersion = pe_def_file->version_minor;
763 if (pe_def_file->stack_reserve != -1
764 && ! saw_option ("__size_of_stack_reserve__"))
766 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
767 if (pe_def_file->stack_commit != -1)
768 pe.SizeOfStackCommit = pe_def_file->stack_commit;
770 if (pe_def_file->heap_reserve != -1
771 && ! saw_option ("__size_of_heap_reserve__"))
773 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
774 if (pe_def_file->heap_commit != -1)
775 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
786 gld_${EMULATION_NAME}_recognized_file(entry)
787 lang_input_statement_type *entry;
789 #ifdef TARGET_IS_i386pe
790 if (bfd_get_format (entry->the_bfd) == bfd_object)
792 const char *ext = entry->filename + strlen (entry->filename) - 4;
793 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
794 return pe_implied_import_dll (entry->filename);
801 gld_${EMULATION_NAME}_finish ()
803 #ifdef TARGET_IS_i386pe
804 if (link_info.shared)
806 pe_dll_fill_sections (output_bfd, &link_info);
807 if (pe_implib_filename)
808 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
810 if (pe_out_def_filename)
811 pe_dll_generate_def_file (pe_out_def_filename);
816 /* Place an orphan section.
818 We use this to put sections in a reasonable place in the file, and
819 to ensure that they are aligned as required.
821 We handle grouped sections here as well. A section named .foo$nn
822 goes into the output section .foo. All grouped sections are sorted
825 Grouped sections for the default sections are handled by the
826 default linker script using wildcards, and are sorted by
829 static asection *hold_section;
830 static char *hold_section_name;
831 static lang_output_section_statement_type *hold_use;
832 static lang_output_section_statement_type *hold_text;
833 static lang_output_section_statement_type *hold_rdata;
834 static lang_output_section_statement_type *hold_data;
835 static lang_output_section_statement_type *hold_bss;
837 /* Place an orphan section. We use this to put random SHF_ALLOC
838 sections in the right segment. */
842 gld_${EMULATION_NAME}_place_orphan (file, s)
843 lang_input_statement_type *file;
849 if ((s->flags & SEC_ALLOC) == 0)
852 secname = bfd_get_section_name (s->owner, s);
854 /* Look through the script to see where to place this section. */
858 hold_section_name = xstrdup (secname);
859 dollar = strchr (hold_section_name, '$');
864 lang_for_each_statement (gld${EMULATION_NAME}_place_section);
866 if (hold_use == NULL)
868 lang_output_section_statement_type *place;
870 asection *snew, **pps;
871 lang_statement_list_type *old;
872 lang_statement_list_type add;
875 /* Try to put the new output section in a reasonable place based
876 on the section name and section flags. */
878 if ((s->flags & SEC_HAS_CONTENTS) == 0
881 else if ((s->flags & SEC_READONLY) == 0
882 && hold_data != NULL)
884 else if ((s->flags & SEC_CODE) == 0
885 && (s->flags & SEC_READONLY) != 0
886 && hold_rdata != NULL)
888 else if ((s->flags & SEC_READONLY) != 0
889 && hold_text != NULL)
892 /* Choose a unique name for the section. This will be needed if
893 the same section name appears in the input file with
894 different loadable or allocateable characteristics. */
895 outsecname = xstrdup (hold_section_name);
896 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
902 len = strlen (outsecname);
903 newname = xmalloc (len + 5);
904 strcpy (newname, outsecname);
908 sprintf (newname + len, "%d", i);
911 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
914 outsecname = newname;
917 /* We don't want to free OUTSECNAME, as it may get attached to
918 the output section statement. */
920 /* Create the section in the output file, and put it in the
921 right place. This shuffling is to make the output file look
923 snew = bfd_make_section (output_bfd, outsecname);
925 einfo ("%P%F: output format %s cannot represent section called %s\n",
926 output_bfd->xvec->name, outsecname);
927 if (place != NULL && place->bfd_section != NULL)
929 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
932 snew->next = place->bfd_section->next;
933 place->bfd_section->next = snew;
936 /* Start building a list of statements for this section. */
939 lang_list_init (stat_ptr);
941 if (link_info.relocateable)
945 /* All sections in an executable must be aligned to a page
947 address = exp_unop (ALIGN_K,
948 exp_nameop (NAME, "__section_alignment__"));
951 lang_enter_output_section_statement (outsecname, address, 0,
955 (etree_type *) NULL);
957 hold_use = lang_output_section_statement_lookup (outsecname);
959 lang_leave_output_section_statement
960 ((bfd_vma) 0, "*default*",
961 (struct lang_output_section_phdr_list *) NULL);
963 /* Now stick the new statement list right after PLACE. */
966 *add.tail = place->header.next;
967 place->header.next = add.head;
974 wild_doit (&hold_use->children, s, hold_use, file);
977 lang_statement_union_type **pl;
978 boolean found_dollar;
979 lang_statement_list_type list;
981 /* The section name has a '$'. Sort it with the other '$'
984 found_dollar = false;
985 for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next)
987 lang_input_section_type *ls;
990 if ((*pl)->header.type != lang_input_section_enum)
993 ls = &(*pl)->input_section;
995 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
996 if (strchr (lname, '$') == NULL)
1003 found_dollar = true;
1004 if (strcmp (secname, lname) < 0)
1009 lang_list_init (&list);
1010 wild_doit (&list, s, hold_use, file);
1011 if (list.head != NULL)
1013 ASSERT (list.head->next == NULL);
1014 list.head->next = *pl;
1019 free (hold_section_name);
1025 gld${EMULATION_NAME}_place_section (s)
1026 lang_statement_union_type *s;
1028 lang_output_section_statement_type *os;
1030 if (s->header.type != lang_output_section_statement_enum)
1033 os = &s->output_section_statement;
1035 if (strcmp (os->name, hold_section_name) == 0
1036 && os->bfd_section != NULL
1037 && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
1038 == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
1041 if (strcmp (os->name, ".text") == 0)
1043 else if (strcmp (os->name, ".rdata") == 0)
1045 else if (strcmp (os->name, ".data") == 0)
1047 else if (strcmp (os->name, ".bss") == 0)
1052 gld_${EMULATION_NAME}_get_script(isfile)
1055 # Scripts compiled in.
1056 # sed commands to quote an ld script as a C string.
1057 sc="-f ${srcdir}/emultempl/stringify.sed"
1059 cat >>e${EMULATION_NAME}.c <<EOF
1063 if (link_info.relocateable == true && config.build_constructors == true)
1066 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1067 echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1068 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1069 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1070 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1071 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1072 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1073 echo ' ; else return' >> e${EMULATION_NAME}.c
1074 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1075 echo '; }' >> e${EMULATION_NAME}.c
1077 cat >>e${EMULATION_NAME}.c <<EOF
1080 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1082 gld_${EMULATION_NAME}_before_parse,
1085 gld_${EMULATION_NAME}_after_parse,
1086 gld_${EMULATION_NAME}_after_open,
1087 after_allocation_default,
1088 set_output_arch_default,
1089 ldemul_default_target,
1090 gld_${EMULATION_NAME}_before_allocation,
1091 gld_${EMULATION_NAME}_get_script,
1092 "${EMULATION_NAME}",
1094 gld_${EMULATION_NAME}_finish, /* finish */
1095 NULL, /* create output section statements */
1096 NULL, /* open dynamic archive */
1097 gld_${EMULATION_NAME}_place_orphan,
1098 gld_${EMULATION_NAME}_set_symbols,
1099 gld_${EMULATION_NAME}_parse_args,
1100 gld_${EMULATION_NAME}_unrecognized_file,
1101 gld_${EMULATION_NAME}_list_options,
1102 gld_${EMULATION_NAME}_recognized_file