1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
4 cat >>e${EMULATION_NAME}.c <<EOF
5 /* This file is part of GLD, the Gnu Linker.
6 Copyright 1995, 96, 97, 98, 1999 Free Software Foundation, Inc.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 /* The original file generated returned different default scripts depending
24 on whether certain switches were set, but these switches pertain to the
25 Linux system and that particular version of coff. In the NT case, we
26 only determine if the subsystem is console or windows in order to select
27 the correct entry point by default. */
33 #include "libiberty.h"
44 #include "coff/internal.h"
45 #include "../bfd/libcoff.h"
46 #include "../bfd/libbfd.h"
49 #define TARGET_IS_${EMULATION_NAME}
51 #if defined(TARGET_IS_i386pe)
55 #define PE_DEF_SUBSYSTEM 3
57 #ifdef TARGET_IS_arm_epoc_pe
58 #define bfd_arm_pe_allocate_interworking_sections \
59 bfd_arm_epoc_pe_allocate_interworking_sections
60 #define bfd_arm_pe_get_bfd_for_interworking \
61 bfd_arm_epoc_pe_get_bfd_for_interworking
62 #define bfd_arm_pe_process_before_allocation \
63 bfd_arm_epoc_pe_process_before_allocation
66 static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
67 static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
68 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
69 static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
70 static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
71 static boolean gld_${EMULATION_NAME}_place_orphan
72 PARAMS ((lang_input_statement_type *, asection *));
73 static void gld${EMULATION_NAME}_place_section
74 PARAMS ((lang_statement_union_type *));
75 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
76 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
77 static void gld_${EMULATION_NAME}_finish PARAMS ((void));
79 static struct internal_extra_pe_aouthdr pe;
81 static int support_old_code = 0;
82 static char * thumb_entry_symbol = NULL;
83 extern def_file *pe_def_file;
84 static lang_assignment_statement_type *image_base_statement = 0;
86 static char *pe_out_def_filename = 0;
87 extern int pe_dll_export_everything;
88 extern int pe_dll_kill_ats;
89 extern int pe_dll_stdcall_aliases;
90 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
91 static char *pe_implib_filename = 0;
93 extern const char *output_filename;
96 gld_${EMULATION_NAME}_before_parse()
98 output_filename = "a.exe";
99 ldfile_output_architecture = bfd_arch_${ARCH};
101 config.has_shared = 1;
105 /* PE format extra command line options. */
107 /* Used for setting flags in the PE header. */
108 #define OPTION_BASE_FILE (300 + 1)
109 #define OPTION_DLL (OPTION_BASE_FILE + 1)
110 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
111 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
112 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
113 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
114 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
115 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
116 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
117 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
118 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
119 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
120 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
121 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
122 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
123 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
124 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
125 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
126 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
127 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
128 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
129 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
130 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
131 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
133 static struct option longopts[] =
136 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
137 {"dll", no_argument, NULL, OPTION_DLL},
138 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
139 {"heap", required_argument, NULL, OPTION_HEAP},
140 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
141 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
142 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
143 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
144 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
145 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
146 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
147 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
148 {"stack", required_argument, NULL, OPTION_STACK},
149 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
150 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
151 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
153 /* getopt allows abbreviations, so we do this to stop it from treating -o
154 as an abbreviation for this option */
155 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
156 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
157 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
158 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
159 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
160 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
161 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
162 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
163 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
165 {NULL, no_argument, NULL, 0}
169 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
170 parameters which may be input from the command line */
181 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
183 static definfo init[] =
185 /* imagebase must be first */
186 #define IMAGEBASEOFF 0
187 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
189 {&dll, sizeof(dll), 0, "__dll__"},
190 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
191 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
192 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
193 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
194 D(MajorImageVersion,"__major_image_version__", 1),
195 D(MinorImageVersion,"__minor_image_version__", 0),
196 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
197 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
198 D(Subsystem,"__subsystem__", PE_DEF_SUBSYSTEM),
199 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
200 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
201 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
202 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
203 D(LoaderFlags,"__loader_flags__", 0x0),
204 { NULL, 0, 0, NULL, 0 }
208 gld_${EMULATION_NAME}_list_options (file)
211 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
212 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
213 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
214 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
215 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
216 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
217 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
218 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
219 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
220 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
221 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
222 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
223 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
224 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
225 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
226 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
228 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
229 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
230 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
231 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
232 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
233 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
234 fprintf (file, _(" --out-implib <file> Generate import library\n"));
235 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
240 set_pe_name (name, val)
245 /* Find the name and set it. */
246 for (i = 0; init[i].ptr; i++)
248 if (strcmp (name, init[i].symbol) == 0)
273 { "native", 1, "_NtProcessStartup" },
274 { "windows", 2, "_WinMainCRTStartup" },
275 { "console", 3, "_mainCRTStartup" },
277 /* The Microsoft linker does not recognize this. */
280 { "posix", 7, "___PosixProcessStartup"},
284 sver = strchr (optarg, ':');
286 len = strlen (optarg);
292 set_pe_name ("__major_subsystem_version__",
293 strtoul (sver + 1, &end, 0));
295 set_pe_name ("__minor_subsystem_version__",
296 strtoul (end + 1, &end, 0));
298 einfo (_("%P: warning: bad version number in -subsystem option\n"));
301 for (i = 0; v[i].name; i++)
303 if (strncmp (optarg, v[i].name, len) == 0
304 && v[i].name[len] == '\0')
306 set_pe_name ("__subsystem__", v[i].value);
308 lang_add_entry (v[i].entry, 1);
314 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
326 set_pe_name (name, strtoul (optarg, &end, 0));
329 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
335 set_pe_stack_heap (resname, comname)
339 set_pe_value (resname);
344 set_pe_value (comname);
347 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
353 gld_${EMULATION_NAME}_parse_args(argc, argv)
359 int prevoptind = optind;
360 int prevopterr = opterr;
362 static int lastoptind = -1;
364 if (lastoptind != optind)
370 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
381 case OPTION_BASE_FILE:
382 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
383 if (link_info.base_file == NULL)
385 /* xgettext:c-format */
386 fprintf (stderr, _("%s: Can't open base file %s\n"),
387 program_name, optarg);
394 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
397 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
399 case OPTION_SUBSYSTEM:
402 case OPTION_MAJOR_OS_VERSION:
403 set_pe_value ("__major_os_version__");
405 case OPTION_MINOR_OS_VERSION:
406 set_pe_value ("__minor_os_version__");
408 case OPTION_MAJOR_SUBSYSTEM_VERSION:
409 set_pe_value ("__major_subsystem_version__");
411 case OPTION_MINOR_SUBSYSTEM_VERSION:
412 set_pe_value ("__minor_subsystem_version__");
414 case OPTION_MAJOR_IMAGE_VERSION:
415 set_pe_value ("__major_image_version__");
417 case OPTION_MINOR_IMAGE_VERSION:
418 set_pe_value ("__minor_image_version__");
420 case OPTION_FILE_ALIGNMENT:
421 set_pe_value ("__file_alignment__");
423 case OPTION_SECTION_ALIGNMENT:
424 set_pe_value ("__section_alignment__");
427 set_pe_name ("__dll__", 1);
429 case OPTION_IMAGE_BASE:
430 set_pe_value ("__image_base__");
432 case OPTION_SUPPORT_OLD_CODE:
433 support_old_code = 1;
435 case OPTION_THUMB_ENTRY:
436 thumb_entry_symbol = optarg;
440 pe_out_def_filename = xstrdup (optarg);
442 case OPTION_EXPORT_ALL:
443 pe_dll_export_everything = 1;
445 case OPTION_EXCLUDE_SYMBOLS:
446 pe_dll_add_excludes (optarg);
448 case OPTION_KILL_ATS:
451 case OPTION_STDCALL_ALIASES:
452 pe_dll_stdcall_aliases = 1;
454 case OPTION_ENABLE_STDCALL_FIXUP:
455 pe_enable_stdcall_fixup = 1;
457 case OPTION_DISABLE_STDCALL_FIXUP:
458 pe_enable_stdcall_fixup = 0;
460 case OPTION_IMPLIB_FILENAME:
461 pe_implib_filename = xstrdup (optarg);
468 /* Assign values to the special symbols before the linker script is
472 gld_${EMULATION_NAME}_set_symbols ()
474 /* Run through and invent symbols for all the
475 names and insert the defaults. */
477 lang_statement_list_type *save;
479 if (!init[IMAGEBASEOFF].inited)
481 if (link_info.relocateable)
482 init[IMAGEBASEOFF].value = 0;
483 else if (init[DLLOFF].value || link_info.shared)
484 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
486 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
489 /* Don't do any symbol assignments if this is a relocateable link. */
490 if (link_info.relocateable)
493 /* Glue the assignments into the abs section */
496 stat_ptr = &(abs_output_section->children);
498 for (j = 0; init[j].ptr; j++)
500 long val = init[j].value;
501 lang_assignment_statement_type *rv;
502 rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
503 if (init[j].size == sizeof(short))
504 *(short *)init[j].ptr = val;
505 else if (init[j].size == sizeof(int))
506 *(int *)init[j].ptr = val;
507 else if (init[j].size == sizeof(long))
508 *(long *)init[j].ptr = val;
509 /* This might be a long long or other special type. */
510 else if (init[j].size == sizeof(bfd_vma))
511 *(bfd_vma *)init[j].ptr = val;
513 if (j == IMAGEBASEOFF)
514 image_base_statement = rv;
516 /* Restore the pointer. */
519 if (pe.FileAlignment >
522 einfo (_("%P: warning, file alignment > section alignment.\n"));
526 /* This is called after the linker script and the command line options
530 gld_${EMULATION_NAME}_after_parse ()
532 /* The Windows libraries are designed for the linker to treat the
533 entry point as an undefined symbol. Otherwise, the .obj that
534 defines mainCRTStartup is brought in because it is the first
535 encountered in libc.lib and it has other symbols in it which will
536 be pulled in by the link process. To avoid this, we act as
537 though the user specified -u with the entry point symbol.
539 This function is called after the linker script and command line
540 options have been read, so at this point we know the right entry
541 point. This function is called before the input files are
542 opened, so registering the symbol as undefined will make a
545 if (! link_info.relocateable && entry_symbol != NULL)
546 ldlang_add_undef (entry_symbol);
549 static struct bfd_link_hash_entry *pe_undef_found_sym;
552 pe_undef_cdecl_match (h, string)
553 struct bfd_link_hash_entry *h;
556 int sl = strlen (string);
557 if (h->type == bfd_link_hash_defined
558 && strncmp (h->root.string, string, sl) == 0
559 && h->root.string[sl] == '@')
561 pe_undef_found_sym = h;
570 static int gave_warning_message = 0;
571 struct bfd_link_hash_entry *undef, *sym;
573 for (undef = link_info.hash->undefs; undef; undef=undef->next)
574 if (undef->type == bfd_link_hash_undefined)
576 at = strchr (undef->root.string, '@');
579 /* The symbol is a stdcall symbol, so let's look for a cdecl
580 symbol with the same name and resolve to that */
581 char *cname = xstrdup (undef->root.string);
582 at = strchr (cname, '@');
584 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
585 if (sym && sym->type == bfd_link_hash_defined)
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, cname);
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"));
605 /* The symbol is a cdecl symbol, so we look for stdcall
606 symbols - which means scanning the whole symbol table */
607 pe_undef_found_sym = 0;
608 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
609 (PTR) undef->root.string);
610 sym = pe_undef_found_sym;
613 undef->type = bfd_link_hash_defined;
614 undef->u.def.value = sym->u.def.value;
615 undef->u.def.section = sym->u.def.section;
616 if (pe_enable_stdcall_fixup == -1)
618 einfo (_("Warning: resolving %s by linking to %s\n"),
619 undef->root.string, sym->root.string);
620 if (! gave_warning_message)
622 gave_warning_message = 1;
623 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
624 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
633 gld_${EMULATION_NAME}_after_open ()
635 /* Pass the wacky PE command line options into the output bfd.
636 FIXME: This should be done via a function, rather than by
637 including an internal BFD header. */
639 if (!coff_data (output_bfd)->pe)
640 einfo (_("%F%P: PE operations on non PE file.\n"));
642 pe_data (output_bfd)->pe_opthdr = pe;
643 pe_data (output_bfd)->dll = init[DLLOFF].value;
646 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
647 pe_fixup_stdcalls ();
649 pe_process_import_defs(output_bfd, &link_info);
650 if (link_info.shared)
651 pe_dll_build_sections (output_bfd, &link_info);
654 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
656 /* Find a BFD that can hold the interworking stubs. */
657 LANG_FOR_EACH_INPUT_STATEMENT (is)
659 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
666 static int sequence = 0;
668 bfd *cur_arch = 0, *elt;
669 lang_input_statement_type *is2;
670 /* Careful - this is a shell script. Watch those dollar signs! */
671 /* Microsoft import libraries have every member named the same,
672 and not in the right order for us to link them correctly. We
673 must detect these and rename the members so that they'll link
674 correctly. There are three types of objects: the head, the
675 thunks, and the sentinel(s). The head is easy; it's the one
676 with idata2. We assume that the sentinels won't have relocs,
677 and the thunks will. It's easier than checking the symbol
678 table for external references. */
679 LANG_FOR_EACH_INPUT_STATEMENT (is)
681 if (is->the_bfd->my_archive)
683 bfd *arch = is->the_bfd->my_archive;
684 if (cur_arch != arch)
689 is2 && is2->the_bfd->my_archive == arch;
690 is2 = (lang_input_statement_type *)is2->next)
692 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
699 int idata2 = 0, i, reloc_count=0;
702 for (sec = is->the_bfd->sections; sec; sec = sec->next)
704 if (strcmp (sec->name, ".idata\$2") == 0)
706 reloc_count += sec->reloc_count;
709 if (idata2) /* .idata2 is the TOC */
711 else if (reloc_count > 0) /* thunks */
716 new_name = bfd_alloc (is->the_bfd,
717 strlen (is->the_bfd->filename)+2);
718 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
719 is->the_bfd->filename = new_name;
721 new_name = bfd_alloc(is->the_bfd, strlen(is->filename)+2);
722 sprintf (new_name, "%s.%c", is->filename, seq);
723 is->filename = new_name;
731 gld_${EMULATION_NAME}_before_allocation()
733 #ifdef TARGET_IS_ppcpe
734 /* Here we rummage through the found bfds to collect toc information */
736 LANG_FOR_EACH_INPUT_STATEMENT (is)
738 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
740 /* xgettext:c-format */
741 einfo (_("Errors encountered processing file %s\n"), is->filename);
746 /* We have seen it all. Allocate it, and carry on */
747 ppc_allocate_toc_section (&link_info);
748 #endif /* TARGET_IS_ppcpe */
750 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
751 /* FIXME: we should be able to set the size of the interworking stub
754 Here we rummage through the found bfds to collect glue
755 information. FIXME: should this be based on a command line
756 option? krk@cygnus.com */
758 LANG_FOR_EACH_INPUT_STATEMENT (is)
760 if (! bfd_arm_pe_process_before_allocation
761 (is->the_bfd, & link_info, support_old_code))
763 /* xgettext:c-format */
764 einfo (_("Errors encountered processing file %s for interworking"),
770 /* We have seen it all. Allocate it, and carry on */
771 bfd_arm_pe_allocate_interworking_sections (& link_info);
772 #endif /* TARGET_IS_armpe */
776 /* This is called when an input file isn't recognized as a BFD. We
777 check here for .DEF files and pull them in automatically. */
780 saw_option(char *option)
783 for (i=0; init[i].ptr; i++)
784 if (strcmp (init[i].symbol, option) == 0)
785 return init[i].inited;
790 gld_${EMULATION_NAME}_unrecognized_file(entry)
791 lang_input_statement_type *entry;
794 const char *ext = entry->filename + strlen (entry->filename) - 4;
796 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
798 if (pe_def_file == 0)
799 pe_def_file = def_file_empty ();
800 def_file_parse (entry->filename, pe_def_file);
803 int i, buflen=0, len;
805 for (i=0; i<pe_def_file->num_exports; i++)
807 len = strlen(pe_def_file->exports[i].internal_name);
811 buf = (char *) xmalloc (buflen);
812 for (i=0; i<pe_def_file->num_exports; i++)
814 struct bfd_link_hash_entry *h;
815 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
817 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
818 if (h == (struct bfd_link_hash_entry *) NULL)
819 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
820 if (h->type == bfd_link_hash_new)
822 h->type = bfd_link_hash_undefined;
823 h->u.undef.abfd = NULL;
824 bfd_link_add_undef (link_info.hash, h);
829 /* def_file_print (stdout, pe_def_file); */
830 if (pe_def_file->is_dll == 1)
831 link_info.shared = 1;
833 if (pe_def_file->base_address != (bfd_vma)(-1))
836 pe_data (output_bfd)->pe_opthdr.ImageBase =
837 init[IMAGEBASEOFF].value = pe_def_file->base_address;
838 init[IMAGEBASEOFF].inited = 1;
839 if (image_base_statement)
840 image_base_statement->exp =
841 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
845 /* Not sure if these *should* be set */
846 if (pe_def_file->version_major != -1)
848 pe.MajorImageVersion = pe_def_file->version_major;
849 pe.MinorImageVersion = pe_def_file->version_minor;
852 if (pe_def_file->stack_reserve != -1
853 && ! saw_option ("__size_of_stack_reserve__"))
855 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
856 if (pe_def_file->stack_commit != -1)
857 pe.SizeOfStackCommit = pe_def_file->stack_commit;
859 if (pe_def_file->heap_reserve != -1
860 && ! saw_option ("__size_of_heap_reserve__"))
862 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
863 if (pe_def_file->heap_commit != -1)
864 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
875 gld_${EMULATION_NAME}_recognized_file(entry)
876 lang_input_statement_type *entry;
879 #ifdef TARGET_IS_i386pe
880 pe_dll_id_target ("pei-i386");
882 if (bfd_get_format (entry->the_bfd) == bfd_object)
884 const char *ext = entry->filename + strlen (entry->filename) - 4;
885 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
886 return pe_implied_import_dll (entry->filename);
893 gld_${EMULATION_NAME}_finish ()
895 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
896 struct bfd_link_hash_entry * h;
898 if (thumb_entry_symbol != NULL)
900 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
902 if (h != (struct bfd_link_hash_entry *) NULL
903 && (h->type == bfd_link_hash_defined
904 || h->type == bfd_link_hash_defweak)
905 && h->u.def.section->output_section != NULL)
907 static char buffer[32];
910 /* Special procesing is required for a Thumb entry symbol. The
911 bottom bit of its address must be set. */
912 val = (h->u.def.value
913 + bfd_get_section_vma (output_bfd,
914 h->u.def.section->output_section)
915 + h->u.def.section->output_offset);
919 /* Now convert this value into a string and store it in entry_symbol
920 where the lang_finish() function will pick it up. */
924 sprintf_vma (buffer + 2, val);
926 if (entry_symbol != NULL && entry_from_cmdline)
927 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
928 thumb_entry_symbol, entry_symbol);
929 entry_symbol = buffer;
932 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
934 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
937 if (link_info.shared)
939 pe_dll_fill_sections (output_bfd, &link_info);
940 if (pe_implib_filename)
941 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
943 if (pe_out_def_filename)
944 pe_dll_generate_def_file (pe_out_def_filename);
949 /* Place an orphan section.
951 We use this to put sections in a reasonable place in the file, and
952 to ensure that they are aligned as required.
954 We handle grouped sections here as well. A section named .foo$nn
955 goes into the output section .foo. All grouped sections are sorted
958 Grouped sections for the default sections are handled by the
959 default linker script using wildcards, and are sorted by
962 static asection *hold_section;
963 static char *hold_section_name;
964 static lang_output_section_statement_type *hold_use;
965 static lang_output_section_statement_type *hold_text;
966 static lang_output_section_statement_type *hold_rdata;
967 static lang_output_section_statement_type *hold_data;
968 static lang_output_section_statement_type *hold_bss;
970 /* Place an orphan section. We use this to put random SHF_ALLOC
971 sections in the right segment. */
975 gld_${EMULATION_NAME}_place_orphan (file, s)
976 lang_input_statement_type *file;
982 if ((s->flags & SEC_ALLOC) == 0)
985 secname = bfd_get_section_name (s->owner, s);
987 /* Look through the script to see where to place this section. */
991 hold_section_name = xstrdup (secname);
992 dollar = strchr (hold_section_name, '$');
997 lang_for_each_statement (gld${EMULATION_NAME}_place_section);
999 if (hold_use == NULL)
1001 lang_output_section_statement_type *place;
1003 asection *snew, **pps;
1004 lang_statement_list_type *old;
1005 lang_statement_list_type add;
1006 etree_type *address;
1008 /* Try to put the new output section in a reasonable place based
1009 on the section name and section flags. */
1011 if ((s->flags & SEC_HAS_CONTENTS) == 0
1012 && hold_bss != NULL)
1014 else if ((s->flags & SEC_READONLY) == 0
1015 && hold_data != NULL)
1017 else if ((s->flags & SEC_CODE) == 0
1018 && (s->flags & SEC_READONLY) != 0
1019 && hold_rdata != NULL)
1021 else if ((s->flags & SEC_READONLY) != 0
1022 && hold_text != NULL)
1025 /* Choose a unique name for the section. This will be needed if
1026 the same section name appears in the input file with
1027 different loadable or allocateable characteristics. */
1028 outsecname = xstrdup (hold_section_name);
1029 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1035 len = strlen (outsecname);
1036 newname = xmalloc (len + 5);
1037 strcpy (newname, outsecname);
1041 sprintf (newname + len, "%d", i);
1044 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1047 outsecname = newname;
1050 /* We don't want to free OUTSECNAME, as it may get attached to
1051 the output section statement. */
1053 /* Create the section in the output file, and put it in the
1054 right place. This shuffling is to make the output file look
1056 snew = bfd_make_section (output_bfd, outsecname);
1058 einfo ("%P%F: output format %s cannot represent section called %s\n",
1059 output_bfd->xvec->name, outsecname);
1060 if (place != NULL && place->bfd_section != NULL)
1062 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
1065 snew->next = place->bfd_section->next;
1066 place->bfd_section->next = snew;
1069 /* Start building a list of statements for this section. */
1072 lang_list_init (stat_ptr);
1074 if (link_info.relocateable)
1078 /* All sections in an executable must be aligned to a page
1080 address = exp_unop (ALIGN_K,
1081 exp_nameop (NAME, "__section_alignment__"));
1084 lang_enter_output_section_statement (outsecname, address, 0,
1086 (etree_type *) NULL,
1087 (etree_type *) NULL,
1088 (etree_type *) NULL);
1090 hold_use = lang_output_section_statement_lookup (outsecname);
1092 lang_leave_output_section_statement
1093 ((bfd_vma) 0, "*default*",
1094 (struct lang_output_section_phdr_list *) NULL);
1096 /* Now stick the new statement list right after PLACE. */
1099 *add.tail = place->header.next;
1100 place->header.next = add.head;
1107 wild_doit (&hold_use->children, s, hold_use, file);
1110 lang_statement_union_type **pl;
1111 boolean found_dollar;
1112 lang_statement_list_type list;
1114 /* The section name has a '$'. Sort it with the other '$'
1117 found_dollar = false;
1118 for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next)
1120 lang_input_section_type *ls;
1123 if ((*pl)->header.type != lang_input_section_enum)
1126 ls = &(*pl)->input_section;
1128 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1129 if (strchr (lname, '$') == NULL)
1136 found_dollar = true;
1137 if (strcmp (secname, lname) < 0)
1142 lang_list_init (&list);
1143 wild_doit (&list, s, hold_use, file);
1144 if (list.head != NULL)
1146 ASSERT (list.head->next == NULL);
1147 list.head->next = *pl;
1152 free (hold_section_name);
1158 gld${EMULATION_NAME}_place_section (s)
1159 lang_statement_union_type *s;
1161 lang_output_section_statement_type *os;
1163 if (s->header.type != lang_output_section_statement_enum)
1166 os = &s->output_section_statement;
1168 if (strcmp (os->name, hold_section_name) == 0
1169 && os->bfd_section != NULL
1170 && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
1171 == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
1174 if (strcmp (os->name, ".text") == 0)
1176 else if (strcmp (os->name, ".rdata") == 0)
1178 else if (strcmp (os->name, ".data") == 0)
1180 else if (strcmp (os->name, ".bss") == 0)
1185 gld_${EMULATION_NAME}_get_script(isfile)
1188 # Scripts compiled in.
1189 # sed commands to quote an ld script as a C string.
1190 sc="-f ${srcdir}/emultempl/stringify.sed"
1192 cat >>e${EMULATION_NAME}.c <<EOF
1196 if (link_info.relocateable == true && config.build_constructors == true)
1199 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1200 echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1201 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1202 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1203 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1204 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1205 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1206 echo ' ; else return' >> e${EMULATION_NAME}.c
1207 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1208 echo '; }' >> e${EMULATION_NAME}.c
1210 cat >>e${EMULATION_NAME}.c <<EOF
1213 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1215 gld_${EMULATION_NAME}_before_parse,
1218 gld_${EMULATION_NAME}_after_parse,
1219 gld_${EMULATION_NAME}_after_open,
1220 after_allocation_default,
1221 set_output_arch_default,
1222 ldemul_default_target,
1223 gld_${EMULATION_NAME}_before_allocation,
1224 gld_${EMULATION_NAME}_get_script,
1225 "${EMULATION_NAME}",
1227 gld_${EMULATION_NAME}_finish, /* finish */
1228 NULL, /* create output section statements */
1229 NULL, /* open dynamic archive */
1230 gld_${EMULATION_NAME}_place_orphan,
1231 gld_${EMULATION_NAME}_set_symbols,
1232 gld_${EMULATION_NAME}_parse_args,
1233 gld_${EMULATION_NAME}_unrecognized_file,
1234 gld_${EMULATION_NAME}_list_options,
1235 gld_${EMULATION_NAME}_recognized_file