1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
8 rm -f e${EMULATION_NAME}.c
9 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
10 cat >>e${EMULATION_NAME}.c <<EOF
11 /* This file is part of GLD, the Gnu Linker.
12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
13 Free Software Foundation, Inc.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
30 /* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
34 the correct entry point by default. */
36 #define TARGET_IS_${EMULATION_NAME}
38 /* Do this before including bfd.h, so we prototype the right functions. */
39 #ifdef TARGET_IS_arm_epoc_pe
40 #define bfd_arm_pe_allocate_interworking_sections \
41 bfd_arm_epoc_pe_allocate_interworking_sections
42 #define bfd_arm_pe_get_bfd_for_interworking \
43 bfd_arm_epoc_pe_get_bfd_for_interworking
44 #define bfd_arm_pe_process_before_allocation \
45 bfd_arm_epoc_pe_process_before_allocation
52 #include "libiberty.h"
63 #include "coff/internal.h"
65 /* FIXME: This is a BFD internal header file, and we should not be
67 #include "../bfd/libcoff.h"
71 #include "safe-ctype.h"
73 /* Permit the emulation parameters to override the default section
74 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
75 it seem that include/coff/internal.h should not define
76 PE_DEF_SECTION_ALIGNMENT. */
77 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
78 #undef PE_DEF_SECTION_ALIGNMENT
79 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
82 #if defined(TARGET_IS_i386pe)
85 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
89 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
90 #define PE_DEF_SUBSYSTEM 3
92 #undef NT_EXE_IMAGE_BASE
93 #undef PE_DEF_SECTION_ALIGNMENT
94 #undef PE_DEF_FILE_ALIGNMENT
95 #define NT_EXE_IMAGE_BASE 0x00010000
96 #ifdef TARGET_IS_armpe
97 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
98 #define PE_DEF_SUBSYSTEM 9
100 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
101 #define PE_DEF_SUBSYSTEM 2
103 #define PE_DEF_FILE_ALIGNMENT 0x00000200
107 static struct internal_extra_pe_aouthdr pe;
109 static int support_old_code = 0;
110 static char * thumb_entry_symbol = NULL;
111 static lang_assignment_statement_type *image_base_statement = 0;
114 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
115 static char *pe_out_def_filename = NULL;
116 static char *pe_implib_filename = NULL;
117 static int pe_enable_auto_image_base = 0;
118 static char *pe_dll_search_prefix = NULL;
121 extern const char *output_filename;
124 gld_${EMULATION_NAME}_before_parse (void)
126 const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
129 ldfile_output_architecture = arch->arch;
130 ldfile_output_machine = arch->mach;
131 ldfile_output_machine_name = arch->printable_name;
134 ldfile_output_architecture = bfd_arch_${ARCH};
135 output_filename = "${EXECUTABLE_NAME:-a.exe}";
137 config.dynamic_link = TRUE;
138 config.has_shared = 1;
139 link_info.pei386_auto_import = -1;
140 link_info.pei386_runtime_pseudo_reloc = FALSE;
142 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
143 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
144 lang_add_entry ("WinMainCRTStartup", FALSE);
146 lang_add_entry ("_WinMainCRTStartup", FALSE);
152 /* PE format extra command line options. */
154 /* Used for setting flags in the PE header. */
155 #define OPTION_BASE_FILE (300 + 1)
156 #define OPTION_DLL (OPTION_BASE_FILE + 1)
157 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
158 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
159 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
160 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
161 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
162 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
163 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
164 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
165 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
166 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
167 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
168 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
169 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
170 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
171 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
172 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
173 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
174 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
175 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
176 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
177 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
178 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
179 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
180 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
181 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
182 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
183 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
184 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
185 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
186 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
187 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
188 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
189 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
190 (OPTION_EXCLUDE_LIBS + 1)
191 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
192 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
195 gld${EMULATION_NAME}_add_options
196 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
197 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
198 struct option **really_longopts ATTRIBUTE_UNUSED)
200 static const struct option xtra_long[] = {
202 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
203 {"dll", no_argument, NULL, OPTION_DLL},
204 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
205 {"heap", required_argument, NULL, OPTION_HEAP},
206 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
207 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
208 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
209 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
210 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
211 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
212 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
213 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
214 {"stack", required_argument, NULL, OPTION_STACK},
215 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
216 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
217 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
219 /* getopt allows abbreviations, so we do this to stop it from treating -o
220 as an abbreviation for this option */
221 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
222 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
223 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
224 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
225 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
226 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
227 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
228 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
229 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
230 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
231 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
232 /* getopt() allows abbreviations, so we do this to stop it from
233 treating -c as an abbreviation for these --compat-implib. */
234 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
235 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
236 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
237 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
238 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
239 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
240 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
241 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
242 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
243 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
244 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
246 {NULL, no_argument, NULL, 0}
249 *longopts = (struct option *)
250 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
251 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
254 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
255 parameters which may be input from the command line. */
266 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
268 static definfo init[] =
270 /* imagebase must be first */
271 #define IMAGEBASEOFF 0
272 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
274 {&dll, sizeof(dll), 0, "__dll__", 0},
275 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
276 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
277 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
278 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
279 D(MajorImageVersion,"__major_image_version__", 1),
280 D(MinorImageVersion,"__minor_image_version__", 0),
281 #ifdef TARGET_IS_armpe
282 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
284 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
286 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
287 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
288 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
289 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
290 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
291 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
292 D(LoaderFlags,"__loader_flags__", 0x0),
293 { NULL, 0, 0, NULL, 0 }
298 gld_${EMULATION_NAME}_list_options (FILE *file)
300 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
301 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
302 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
303 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
304 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
305 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
306 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
307 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
308 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
309 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
310 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
311 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
312 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
313 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
314 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
315 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
317 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
318 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
319 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
320 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
321 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
322 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
323 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
324 fprintf (file, _(" --out-implib <file> Generate import library\n"));
325 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
326 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
327 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
328 create __imp_<SYMBOL> as well.\n"));
329 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
330 unless user specifies one\n"));
331 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
332 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
333 an importlib, use <string><basename>.dll\n\
334 in preference to lib<basename>.dll \n"));
335 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
336 __imp_sym for DATA references\n"));
337 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
338 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
339 adding pseudo-relocations resolved at\n\
341 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
342 auto-imported DATA.\n"));
343 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
344 or linking to DLLs (esp. auto-import)\n"));
350 set_pe_name (char *name, long val)
354 /* Find the name and set it. */
355 for (i = 0; init[i].ptr; i++)
357 if (strcmp (name, init[i].symbol) == 0)
369 set_pe_subsystem (void)
382 { "native", 1, "NtProcessStartup" },
383 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
384 { "windows", 2, "WinMainCRTStartup" },
386 { "windows", 2, "WinMainCRTStartup" },
388 { "console", 3, "mainCRTStartup" },
390 /* The Microsoft linker does not recognize this. */
393 { "posix", 7, "__PosixProcessStartup"},
394 { "wince", 9, "_WinMainCRTStartup" },
398 sver = strchr (optarg, ':');
400 len = strlen (optarg);
406 set_pe_name ("__major_subsystem_version__",
407 strtoul (sver + 1, &end, 0));
409 set_pe_name ("__minor_subsystem_version__",
410 strtoul (end + 1, &end, 0));
412 einfo (_("%P: warning: bad version number in -subsystem option\n"));
415 for (i = 0; v[i].name; i++)
417 if (strncmp (optarg, v[i].name, len) == 0
418 && v[i].name[len] == '\0')
420 const char *initial_symbol_char;
423 set_pe_name ("__subsystem__", v[i].value);
425 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
426 if (*initial_symbol_char == '\0')
432 /* lang_add_entry expects its argument to be permanently
433 allocated, so we don't free this string. */
434 alc_entry = xmalloc (strlen (initial_symbol_char)
435 + strlen (v[i].entry)
437 strcpy (alc_entry, initial_symbol_char);
438 strcat (alc_entry, v[i].entry);
442 lang_add_entry (entry, TRUE);
448 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
453 set_pe_value (char *name)
457 set_pe_name (name, strtoul (optarg, &end, 0));
460 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
467 set_pe_stack_heap (char *resname, char *comname)
469 set_pe_value (resname);
474 set_pe_value (comname);
477 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
482 gld${EMULATION_NAME}_handle_option (int optc)
489 case OPTION_BASE_FILE:
490 link_info.base_file = fopen (optarg, FOPEN_WB);
491 if (link_info.base_file == NULL)
493 /* xgettext:c-format */
494 fprintf (stderr, _("%s: Can't open base file %s\n"),
495 program_name, optarg);
502 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
505 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
507 case OPTION_SUBSYSTEM:
510 case OPTION_MAJOR_OS_VERSION:
511 set_pe_value ("__major_os_version__");
513 case OPTION_MINOR_OS_VERSION:
514 set_pe_value ("__minor_os_version__");
516 case OPTION_MAJOR_SUBSYSTEM_VERSION:
517 set_pe_value ("__major_subsystem_version__");
519 case OPTION_MINOR_SUBSYSTEM_VERSION:
520 set_pe_value ("__minor_subsystem_version__");
522 case OPTION_MAJOR_IMAGE_VERSION:
523 set_pe_value ("__major_image_version__");
525 case OPTION_MINOR_IMAGE_VERSION:
526 set_pe_value ("__minor_image_version__");
528 case OPTION_FILE_ALIGNMENT:
529 set_pe_value ("__file_alignment__");
531 case OPTION_SECTION_ALIGNMENT:
532 set_pe_value ("__section_alignment__");
535 set_pe_name ("__dll__", 1);
537 case OPTION_IMAGE_BASE:
538 set_pe_value ("__image_base__");
540 case OPTION_SUPPORT_OLD_CODE:
541 support_old_code = 1;
543 case OPTION_THUMB_ENTRY:
544 thumb_entry_symbol = optarg;
548 pe_out_def_filename = xstrdup (optarg);
550 case OPTION_EXPORT_ALL:
551 pe_dll_export_everything = 1;
553 case OPTION_EXCLUDE_SYMBOLS:
554 pe_dll_add_excludes (optarg, 0);
556 case OPTION_EXCLUDE_LIBS:
557 pe_dll_add_excludes (optarg, 1);
559 case OPTION_KILL_ATS:
562 case OPTION_STDCALL_ALIASES:
563 pe_dll_stdcall_aliases = 1;
565 case OPTION_ENABLE_STDCALL_FIXUP:
566 pe_enable_stdcall_fixup = 1;
568 case OPTION_DISABLE_STDCALL_FIXUP:
569 pe_enable_stdcall_fixup = 0;
571 case OPTION_IMPLIB_FILENAME:
572 pe_implib_filename = xstrdup (optarg);
574 case OPTION_WARN_DUPLICATE_EXPORTS:
575 pe_dll_warn_dup_exports = 1;
577 case OPTION_IMP_COMPAT:
578 pe_dll_compat_implib = 1;
580 case OPTION_ENABLE_AUTO_IMAGE_BASE:
581 pe_enable_auto_image_base = 1;
583 case OPTION_DISABLE_AUTO_IMAGE_BASE:
584 pe_enable_auto_image_base = 0;
586 case OPTION_DLL_SEARCH_PREFIX:
587 pe_dll_search_prefix = xstrdup (optarg);
589 case OPTION_NO_DEFAULT_EXCLUDES:
590 pe_dll_do_default_excludes = 0;
592 case OPTION_DLL_ENABLE_AUTO_IMPORT:
593 link_info.pei386_auto_import = 1;
595 case OPTION_DLL_DISABLE_AUTO_IMPORT:
596 link_info.pei386_auto_import = 0;
598 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
599 link_info.pei386_runtime_pseudo_reloc = 1;
601 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
602 link_info.pei386_runtime_pseudo_reloc = 0;
604 case OPTION_ENABLE_EXTRA_PE_DEBUG:
605 pe_dll_extra_pe_debug = 1;
615 strhash (const char *str)
617 const unsigned char *s;
624 s = (const unsigned char *) str;
625 while ((c = *s++) != '\0')
627 hash += c + (c << 17);
631 hash += len + (len << 17);
637 /* Use the output file to create a image base for relocatable DLLs. */
640 compute_dll_image_base (const char *ofile)
642 unsigned long hash = strhash (ofile);
643 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
647 /* Assign values to the special symbols before the linker script is
651 gld_${EMULATION_NAME}_set_symbols (void)
653 /* Run through and invent symbols for all the
654 names and insert the defaults. */
656 lang_statement_list_type *save;
658 if (!init[IMAGEBASEOFF].inited)
660 if (link_info.relocatable)
661 init[IMAGEBASEOFF].value = 0;
662 else if (init[DLLOFF].value || link_info.shared)
664 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
665 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
667 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
670 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
673 /* Don't do any symbol assignments if this is a relocatable link. */
674 if (link_info.relocatable)
677 /* Glue the assignments into the abs section. */
680 stat_ptr = &(abs_output_section->children);
682 for (j = 0; init[j].ptr; j++)
684 long val = init[j].value;
685 lang_assignment_statement_type *rv;
686 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
688 if (init[j].size == sizeof (short))
689 *(short *) init[j].ptr = val;
690 else if (init[j].size == sizeof (int))
691 *(int *) init[j].ptr = val;
692 else if (init[j].size == sizeof (long))
693 *(long *) init[j].ptr = val;
694 /* This might be a long long or other special type. */
695 else if (init[j].size == sizeof (bfd_vma))
696 *(bfd_vma *) init[j].ptr = val;
698 if (j == IMAGEBASEOFF)
699 image_base_statement = rv;
701 /* Restore the pointer. */
704 if (pe.FileAlignment >
707 einfo (_("%P: warning, file alignment > section alignment.\n"));
711 /* This is called after the linker script and the command line options
715 gld_${EMULATION_NAME}_after_parse (void)
717 /* The Windows libraries are designed for the linker to treat the
718 entry point as an undefined symbol. Otherwise, the .obj that
719 defines mainCRTStartup is brought in because it is the first
720 encountered in libc.lib and it has other symbols in it which will
721 be pulled in by the link process. To avoid this, we act as
722 though the user specified -u with the entry point symbol.
724 This function is called after the linker script and command line
725 options have been read, so at this point we know the right entry
726 point. This function is called before the input files are
727 opened, so registering the symbol as undefined will make a
730 if (! link_info.relocatable && entry_symbol.name != NULL)
731 ldlang_add_undef (entry_symbol.name);
734 /* pe-dll.c directly accesses pe_data_import_dll,
735 so it must be defined outside of #ifdef DLL_SUPPORT.
736 Note - this variable is deliberately not initialised.
737 This allows it to be treated as a common varaible, and only
738 exist in one incarnation in a multiple target enabled linker. */
739 char * pe_data_import_dll;
742 static struct bfd_link_hash_entry *pe_undef_found_sym;
745 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
750 sl = strlen (string);
751 if (h->type == bfd_link_hash_defined
752 && strncmp (h->root.string, string, sl) == 0
753 && h->root.string[sl] == '@')
755 pe_undef_found_sym = h;
762 pe_fixup_stdcalls (void)
764 static int gave_warning_message = 0;
765 struct bfd_link_hash_entry *undef, *sym;
767 if (pe_dll_extra_pe_debug)
768 printf ("%s\n", __FUNCTION__);
770 for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
771 if (undef->type == bfd_link_hash_undefined)
773 char* at = strchr (undef->root.string, '@');
774 int lead_at = (*undef->root.string == '@');
775 /* For now, don't try to fixup fastcall symbols. */
779 /* The symbol is a stdcall symbol, so let's look for a
780 cdecl symbol with the same name and resolve to that. */
781 char *cname = xstrdup (undef->root.string /* + lead_at */);
782 at = strchr (cname, '@');
784 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
786 if (sym && sym->type == bfd_link_hash_defined)
788 undef->type = bfd_link_hash_defined;
789 undef->u.def.value = sym->u.def.value;
790 undef->u.def.section = sym->u.def.section;
792 if (pe_enable_stdcall_fixup == -1)
794 einfo (_("Warning: resolving %s by linking to %s\n"),
795 undef->root.string, cname);
796 if (! gave_warning_message)
798 gave_warning_message = 1;
799 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
800 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
807 /* The symbol is a cdecl symbol, so we look for stdcall
808 symbols - which means scanning the whole symbol table. */
809 pe_undef_found_sym = 0;
810 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
811 (char *) undef->root.string);
812 sym = pe_undef_found_sym;
815 undef->type = bfd_link_hash_defined;
816 undef->u.def.value = sym->u.def.value;
817 undef->u.def.section = sym->u.def.section;
819 if (pe_enable_stdcall_fixup == -1)
821 einfo (_("Warning: resolving %s by linking to %s\n"),
822 undef->root.string, sym->root.string);
823 if (! gave_warning_message)
825 gave_warning_message = 1;
826 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
827 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
836 make_import_fixup (arelent *rel, asection *s)
838 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
841 if (pe_dll_extra_pe_debug)
842 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
843 (long) rel->address, (long) rel->addend);
845 if (! bfd_get_section_contents (s->owner, s, &addend, rel->address, sizeof (addend)))
846 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
847 s->owner, s, rel->address);
849 pe_create_import_fixup (rel, s, addend);
855 pe_find_data_imports (void)
857 struct bfd_link_hash_entry *undef, *sym;
859 if (link_info.pei386_auto_import == 0)
862 for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
864 if (undef->type == bfd_link_hash_undefined)
866 /* C++ symbols are *long*. */
869 if (pe_dll_extra_pe_debug)
870 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
872 sprintf (buf, "__imp_%s", undef->root.string);
874 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
876 if (sym && sym->type == bfd_link_hash_defined)
878 bfd *b = sym->u.def.section->owner;
880 int nsyms, symsize, i;
882 if (link_info.pei386_auto_import == -1)
883 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
884 undef->root.string, buf);
886 symsize = bfd_get_symtab_upper_bound (b);
887 symbols = (asymbol **) xmalloc (symsize);
888 nsyms = bfd_canonicalize_symtab (b, symbols);
890 for (i = 0; i < nsyms; i++)
892 if (memcmp (symbols[i]->name, "__head_",
893 sizeof ("__head_") - 1))
896 if (pe_dll_extra_pe_debug)
897 printf ("->%s\n", symbols[i]->name);
899 pe_data_import_dll = (char*) (symbols[i]->name +
900 sizeof ("__head_") - 1);
904 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
907 /* Let's differentiate it somehow from defined. */
908 undef->type = bfd_link_hash_defweak;
909 /* We replace original name with __imp_ prefixed, this
910 1) may trash memory 2) leads to duplicate symbol generation.
911 Still, IMHO it's better than having name poluted. */
912 undef->root.string = sym->root.string;
913 undef->u.def.value = sym->u.def.value;
914 undef->u.def.section = sym->u.def.section;
921 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
923 if (pe_dll_extra_pe_debug)
924 printf ("+%s\n", h->string);
928 #endif /* DLL_SUPPORT */
932 gld_${EMULATION_NAME}_after_open (void)
935 if (pe_dll_extra_pe_debug)
938 struct bfd_link_hash_entry *sym;
940 printf ("%s()\n", __FUNCTION__);
942 for (sym = link_info.hash->undefs; sym; sym=sym->und_next)
943 printf ("-%s\n", sym->root.string);
944 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
946 for (a = link_info.input_bfds; a; a = a->link_next)
947 printf ("*%s\n",a->filename);
951 /* Pass the wacky PE command line options into the output bfd.
952 FIXME: This should be done via a function, rather than by
953 including an internal BFD header. */
955 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
956 einfo (_("%F%P: PE operations on non PE file.\n"));
958 pe_data (output_bfd)->pe_opthdr = pe;
959 pe_data (output_bfd)->dll = init[DLLOFF].value;
962 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
963 pe_fixup_stdcalls ();
965 pe_process_import_defs (output_bfd, & link_info);
967 pe_find_data_imports ();
969 #if ! (defined (TARGET_IS_i386pe) || defined (TARGET_IS_armpe))
970 if (link_info.shared)
972 if (!link_info.relocatable)
974 pe_dll_build_sections (output_bfd, &link_info);
976 #ifndef TARGET_IS_i386pe
977 #ifndef TARGET_IS_armpe
979 pe_exe_build_sections (output_bfd, &link_info);
984 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
985 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
987 /* The arm backend needs special fields in the output hash structure.
988 These will only be created if the output format is an arm format,
989 hence we do not support linking and changing output formats at the
990 same time. Use a link followed by objcopy to change output formats. */
991 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
995 /* Find a BFD that can hold the interworking stubs. */
996 LANG_FOR_EACH_INPUT_STATEMENT (is)
998 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
1005 /* This next chunk of code tries to detect the case where you have
1006 two import libraries for the same DLL (specifically,
1007 symbolically linking libm.a and libc.a in cygwin to
1008 libcygwin.a). In those cases, it's possible for function
1009 thunks from the second implib to be used but without the
1010 head/tail objects, causing an improper import table. We detect
1011 those cases and rename the "other" import libraries to match
1012 the one the head/tail come from, so that the linker will sort
1013 things nicely and produce a valid import table. */
1015 LANG_FOR_EACH_INPUT_STATEMENT (is)
1017 if (is->the_bfd->my_archive)
1019 int idata2 = 0, reloc_count=0, is_imp = 0;
1022 /* See if this is an import library thunk. */
1023 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1025 if (strcmp (sec->name, ".idata\$2") == 0)
1027 if (strncmp (sec->name, ".idata\$", 7) == 0)
1029 reloc_count += sec->reloc_count;
1032 if (is_imp && !idata2 && reloc_count)
1034 /* It is, look for the reference to head and see if it's
1035 from our own library. */
1036 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1045 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1048 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1052 symbols = (asymbol **) xmalloc (symsize);
1053 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1056 einfo ("%X%P: unable to process symbols: %E");
1060 relocs = (arelent **) xmalloc ((size_t) relsize);
1061 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1066 einfo ("%X%P: unable to process relocs: %E");
1070 for (i = 0; i < nrelocs; i++)
1072 struct bfd_symbol *s;
1073 struct bfd_link_hash_entry * blhe;
1077 s = (relocs[i]->sym_ptr_ptr)[0];
1079 if (s->flags & BSF_LOCAL)
1082 /* Thunk section with reloc to another bfd. */
1083 blhe = bfd_link_hash_lookup (link_info.hash,
1085 FALSE, FALSE, TRUE);
1088 || blhe->type != bfd_link_hash_defined)
1091 other_bfd = blhe->u.def.section->owner;
1093 if (strcmp (is->the_bfd->my_archive->filename,
1094 other_bfd->my_archive->filename) == 0)
1097 /* Rename this implib to match the other. */
1098 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
1100 strcpy (n, other_bfd->my_archive->filename);
1102 is->the_bfd->my_archive->filename = n;
1106 /* Note - we do not free the symbols,
1107 they are now cached in the BFD. */
1117 lang_input_statement_type *is2;
1118 lang_input_statement_type *is3;
1120 /* Careful - this is a shell script. Watch those dollar signs! */
1121 /* Microsoft import libraries have every member named the same,
1122 and not in the right order for us to link them correctly. We
1123 must detect these and rename the members so that they'll link
1124 correctly. There are three types of objects: the head, the
1125 thunks, and the sentinel(s). The head is easy; it's the one
1126 with idata2. We assume that the sentinels won't have relocs,
1127 and the thunks will. It's easier than checking the symbol
1128 table for external references. */
1129 LANG_FOR_EACH_INPUT_STATEMENT (is)
1131 if (is->the_bfd->my_archive)
1134 bfd *arch = is->the_bfd->my_archive;
1136 if (cur_arch != arch)
1142 is3 && is3->the_bfd->my_archive == arch;
1143 is3 = (lang_input_statement_type *) is3->next)
1145 /* A MS dynamic import library can also contain static
1146 members, so look for the first element with a .dll
1147 extension, and use that for the remainder of the
1149 pnt = strrchr (is3->the_bfd->filename, '.');
1150 if (pnt != NULL && strcmp (pnt, ".dll") != 0)
1158 /* OK, found one. Now look to see if the remaining
1159 (dynamic import) members use the same name. */
1161 is2 && is2->the_bfd->my_archive == arch;
1162 is2 = (lang_input_statement_type *) is2->next)
1164 /* Skip static members, ie anything with a .obj
1166 pnt = strrchr (is2->the_bfd->filename, '.');
1167 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1170 if (strcmp (is3->the_bfd->filename,
1171 is2->the_bfd->filename))
1180 /* This fragment might have come from an .obj file in a Microsoft
1181 import, and not an actual import record. If this is the case,
1182 then leave the filename alone. */
1183 pnt = strrchr (is->the_bfd->filename, '.');
1185 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1187 int idata2 = 0, reloc_count=0;
1189 char *new_name, seq;
1191 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1193 if (strcmp (sec->name, ".idata\$2") == 0)
1195 reloc_count += sec->reloc_count;
1198 if (idata2) /* .idata2 is the TOC */
1200 else if (reloc_count > 0) /* thunks */
1205 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1206 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1207 is->the_bfd->filename = new_name;
1209 new_name = xmalloc (strlen (is->filename) + 3);
1210 sprintf (new_name, "%s.%c", is->filename, seq);
1211 is->filename = new_name;
1219 gld_${EMULATION_NAME}_before_allocation (void)
1221 #ifdef TARGET_IS_ppcpe
1222 /* Here we rummage through the found bfds to collect toc information. */
1224 LANG_FOR_EACH_INPUT_STATEMENT (is)
1226 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1228 /* xgettext:c-format */
1229 einfo (_("Errors encountered processing file %s\n"), is->filename);
1234 /* We have seen it all. Allocate it, and carry on. */
1235 ppc_allocate_toc_section (&link_info);
1236 #endif /* TARGET_IS_ppcpe */
1238 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1239 /* FIXME: we should be able to set the size of the interworking stub
1242 Here we rummage through the found bfds to collect glue
1243 information. FIXME: should this be based on a command line
1244 option? krk@cygnus.com. */
1246 LANG_FOR_EACH_INPUT_STATEMENT (is)
1248 if (! bfd_arm_pe_process_before_allocation
1249 (is->the_bfd, & link_info, support_old_code))
1251 /* xgettext:c-format */
1252 einfo (_("Errors encountered processing file %s for interworking"),
1258 /* We have seen it all. Allocate it, and carry on. */
1259 bfd_arm_pe_allocate_interworking_sections (& link_info);
1260 #endif /* TARGET_IS_armpe */
1264 /* This is called when an input file isn't recognized as a BFD. We
1265 check here for .DEF files and pull them in automatically. */
1268 saw_option (char *option)
1272 for (i = 0; init[i].ptr; i++)
1273 if (strcmp (init[i].symbol, option) == 0)
1274 return init[i].inited;
1277 #endif /* DLL_SUPPORT */
1280 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1283 const char *ext = entry->filename + strlen (entry->filename) - 4;
1285 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1287 if (pe_def_file == 0)
1288 pe_def_file = def_file_empty ();
1290 def_file_parse (entry->filename, pe_def_file);
1294 int i, buflen=0, len;
1297 for (i = 0; i < pe_def_file->num_exports; i++)
1299 len = strlen (pe_def_file->exports[i].internal_name);
1300 if (buflen < len + 2)
1304 buf = (char *) xmalloc (buflen);
1306 for (i = 0; i < pe_def_file->num_exports; i++)
1308 struct bfd_link_hash_entry *h;
1310 sprintf (buf, "_%s", pe_def_file->exports[i].internal_name);
1312 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1313 if (h == (struct bfd_link_hash_entry *) NULL)
1314 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1315 if (h->type == bfd_link_hash_new)
1317 h->type = bfd_link_hash_undefined;
1318 h->u.undef.abfd = NULL;
1319 bfd_link_add_undef (link_info.hash, h);
1324 /* def_file_print (stdout, pe_def_file); */
1325 if (pe_def_file->is_dll == 1)
1326 link_info.shared = 1;
1328 if (pe_def_file->base_address != (bfd_vma)(-1))
1331 pe_data (output_bfd)->pe_opthdr.ImageBase =
1332 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1333 init[IMAGEBASEOFF].inited = 1;
1334 if (image_base_statement)
1335 image_base_statement->exp =
1336 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1340 /* Not sure if these *should* be set. */
1341 if (pe_def_file->version_major != -1)
1343 pe.MajorImageVersion = pe_def_file->version_major;
1344 pe.MinorImageVersion = pe_def_file->version_minor;
1347 if (pe_def_file->stack_reserve != -1
1348 && ! saw_option ("__size_of_stack_reserve__"))
1350 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1351 if (pe_def_file->stack_commit != -1)
1352 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1354 if (pe_def_file->heap_reserve != -1
1355 && ! saw_option ("__size_of_heap_reserve__"))
1357 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1358 if (pe_def_file->heap_commit != -1)
1359 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1369 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1372 #ifdef TARGET_IS_i386pe
1373 pe_dll_id_target ("pei-i386");
1375 #ifdef TARGET_IS_shpe
1376 pe_dll_id_target ("pei-shl");
1378 #ifdef TARGET_IS_mipspe
1379 pe_dll_id_target ("pei-mips");
1381 #ifdef TARGET_IS_armpe
1382 pe_dll_id_target ("pei-arm-little");
1384 if (bfd_get_format (entry->the_bfd) == bfd_object)
1386 char fbuf[LD_PATHMAX + 1];
1389 if (REALPATH (entry->filename, fbuf) == NULL)
1390 strncpy (fbuf, entry->filename, sizeof (fbuf));
1392 ext = fbuf + strlen (fbuf) - 4;
1394 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1395 return pe_implied_import_dll (fbuf);
1402 gld_${EMULATION_NAME}_finish (void)
1404 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1405 struct bfd_link_hash_entry * h;
1407 if (thumb_entry_symbol != NULL)
1409 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1410 FALSE, FALSE, TRUE);
1412 if (h != (struct bfd_link_hash_entry *) NULL
1413 && (h->type == bfd_link_hash_defined
1414 || h->type == bfd_link_hash_defweak)
1415 && h->u.def.section->output_section != NULL)
1417 static char buffer[32];
1420 /* Special procesing is required for a Thumb entry symbol. The
1421 bottom bit of its address must be set. */
1422 val = (h->u.def.value
1423 + bfd_get_section_vma (output_bfd,
1424 h->u.def.section->output_section)
1425 + h->u.def.section->output_offset);
1429 /* Now convert this value into a string and store it in entry_symbol
1430 where the lang_finish() function will pick it up. */
1434 sprintf_vma (buffer + 2, val);
1436 if (entry_symbol.name != NULL && entry_from_cmdline)
1437 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1438 thumb_entry_symbol, entry_symbol.name);
1439 entry_symbol.name = buffer;
1442 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1444 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1447 if (link_info.shared
1448 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1449 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1453 pe_dll_fill_sections (output_bfd, &link_info);
1454 if (pe_implib_filename)
1455 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1457 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1458 /* ARM doesn't need relocs. */
1461 pe_exe_fill_sections (output_bfd, &link_info);
1465 if (pe_out_def_filename)
1466 pe_dll_generate_def_file (pe_out_def_filename);
1467 #endif /* DLL_SUPPORT */
1469 /* I don't know where .idata gets set as code, but it shouldn't be. */
1471 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1475 asec->flags &= ~SEC_CODE;
1476 asec->flags |= SEC_DATA;
1482 /* Find the last output section before given output statement.
1483 Used by place_orphan. */
1486 output_prev_sec_find (lang_output_section_statement_type *os)
1488 asection *s = (asection *) NULL;
1489 lang_statement_union_type *u;
1490 lang_output_section_statement_type *lookup;
1492 for (u = lang_output_section_statement.head;
1493 u != (lang_statement_union_type *) NULL;
1496 lookup = &u->output_section_statement;
1500 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1501 s = lookup->bfd_section;
1507 /* Place an orphan section.
1509 We use this to put sections in a reasonable place in the file, and
1510 to ensure that they are aligned as required.
1512 We handle grouped sections here as well. A section named .foo$nn
1513 goes into the output section .foo. All grouped sections are sorted
1516 Grouped sections for the default sections are handled by the
1517 default linker script using wildcards, and are sorted by
1522 lang_output_section_statement_type *os;
1524 lang_statement_union_type **stmt;
1528 gld_${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s)
1530 const char *secname;
1531 char *hold_section_name;
1532 char *dollar = NULL;
1533 const char *ps = NULL;
1534 lang_output_section_statement_type *os;
1535 lang_statement_list_type add_child;
1537 secname = bfd_get_section_name (s->owner, s);
1539 /* Look through the script to see where to place this section. */
1540 hold_section_name = xstrdup (secname);
1541 if (!link_info.relocatable)
1543 dollar = strchr (hold_section_name, '$');
1548 os = lang_output_section_find (hold_section_name);
1550 lang_list_init (&add_child);
1553 && (os->bfd_section == NULL
1554 || ((s->flags ^ os->bfd_section->flags)
1555 & (SEC_LOAD | SEC_ALLOC)) == 0))
1557 /* We already have an output section statement with this
1558 name, and its bfd section, if any, has compatible flags. */
1559 lang_add_section (&add_child, s, os, file);
1563 struct orphan_save *place;
1564 static struct orphan_save hold_text;
1565 static struct orphan_save hold_rdata;
1566 static struct orphan_save hold_data;
1567 static struct orphan_save hold_bss;
1569 lang_statement_list_type *old;
1570 lang_statement_list_type add;
1571 etree_type *address;
1573 /* Try to put the new output section in a reasonable place based
1574 on the section name and section flags. */
1575 #define HAVE_SECTION(hold, name) \
1576 (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1579 if ((s->flags & SEC_ALLOC) == 0)
1581 else if ((s->flags & SEC_HAS_CONTENTS) == 0
1582 && HAVE_SECTION (hold_bss, ".bss"))
1584 else if ((s->flags & SEC_READONLY) == 0
1585 && HAVE_SECTION (hold_data, ".data"))
1587 else if ((s->flags & SEC_CODE) == 0
1588 && (s->flags & SEC_READONLY) != 0
1589 && HAVE_SECTION (hold_rdata, ".rdata"))
1590 place = &hold_rdata;
1591 else if ((s->flags & SEC_READONLY) != 0
1592 && HAVE_SECTION (hold_text, ".text"))
1597 /* Choose a unique name for the section. This will be needed if
1598 the same section name appears in the input file with
1599 different loadable or allocatable characteristics. */
1600 outsecname = xstrdup (hold_section_name);
1601 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1607 len = strlen (outsecname);
1608 newname = xmalloc (len + 5);
1609 strcpy (newname, outsecname);
1613 sprintf (newname + len, "%d", i);
1616 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1619 outsecname = newname;
1622 /* Start building a list of statements for this section. */
1625 lang_list_init (stat_ptr);
1627 if (config.build_constructors)
1629 /* If the name of the section is representable in C, then create
1630 symbols to mark the start and the end of the section. */
1631 for (ps = outsecname; *ps != '\0'; ps++)
1632 if (! ISALNUM ((unsigned char) *ps) && *ps != '_')
1637 etree_type *e_align;
1639 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1640 sprintf (symname, "___start_%s", outsecname);
1641 e_align = exp_unop (ALIGN_K,
1642 exp_intop ((bfd_vma) 1 << s->alignment_power));
1643 lang_add_assignment (exp_assop ('=', symname, e_align));
1647 if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1648 address = exp_intop ((bfd_vma) 0);
1651 /* All sections in an executable must be aligned to a page
1653 address = exp_unop (ALIGN_K,
1654 exp_nameop (NAME, "__section_alignment__"));
1657 os = lang_enter_output_section_statement (outsecname, address, 0,
1659 (etree_type *) NULL,
1660 (etree_type *) NULL,
1661 (etree_type *) NULL);
1663 lang_add_section (&add_child, s, os, file);
1665 lang_leave_output_section_statement
1666 ((bfd_vma) 0, "*default*",
1667 (struct lang_output_section_phdr_list *) NULL, NULL);
1669 if (config.build_constructors && *ps == '\0')
1673 /* lang_leave_ouput_section_statement resets stat_ptr.
1674 Put stat_ptr back where we want it. */
1678 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1679 sprintf (symname, "___stop_%s", outsecname);
1680 lang_add_assignment (exp_assop ('=', symname,
1681 exp_nameop (NAME, ".")));
1686 if (place != NULL && os->bfd_section != NULL)
1688 asection *snew, **pps;
1690 snew = os->bfd_section;
1692 /* Shuffle the bfd section list to make the output file look
1693 neater. This is really only cosmetic. */
1694 if (place->section == NULL)
1696 asection *bfd_section = place->os->bfd_section;
1698 /* If the output statement hasn't been used to place
1699 any input sections (and thus doesn't have an output
1700 bfd_section), look for the closest prior output statement
1701 having an output section. */
1702 if (bfd_section == NULL)
1703 bfd_section = output_prev_sec_find (place->os);
1705 if (bfd_section != NULL && bfd_section != snew)
1706 place->section = &bfd_section->next;
1709 if (place->section != NULL)
1711 /* Unlink the section. */
1712 for (pps = &output_bfd->sections;
1714 pps = &(*pps)->next)
1716 bfd_section_list_remove (output_bfd, pps);
1718 /* Now tack it on to the "place->os" section list. */
1719 bfd_section_list_insert (output_bfd, place->section, snew);
1722 /* Save the end of this list. Further ophans of this type will
1723 follow the one we've just added. */
1724 place->section = &snew->next;
1726 /* The following is non-cosmetic. We try to put the output
1727 statements in some sort of reasonable order here, because
1728 they determine the final load addresses of the orphan
1729 sections. In addition, placing output statements in the
1730 wrong order may require extra segments. For instance,
1731 given a typical situation of all read-only sections placed
1732 in one segment and following that a segment containing all
1733 the read-write sections, we wouldn't want to place an orphan
1734 read/write section before or amongst the read-only ones. */
1735 if (add.head != NULL)
1737 if (place->stmt == NULL)
1739 /* Put the new statement list right at the head. */
1740 *add.tail = place->os->header.next;
1741 place->os->header.next = add.head;
1745 /* Put it after the last orphan statement we added. */
1746 *add.tail = *place->stmt;
1747 *place->stmt = add.head;
1750 /* Fix the global list pointer if we happened to tack our
1751 new list at the tail. */
1752 if (*old->tail == add.head)
1753 old->tail = add.tail;
1755 /* Save the end of this list. */
1756 place->stmt = add.tail;
1762 lang_statement_union_type **pl = &os->children.head;
1766 bfd_boolean found_dollar;
1768 /* The section name has a '$'. Sort it with the other '$'
1770 found_dollar = FALSE;
1771 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1773 lang_input_section_type *ls;
1776 if ((*pl)->header.type != lang_input_section_enum)
1779 ls = &(*pl)->input_section;
1781 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1782 if (strchr (lname, '$') == NULL)
1789 found_dollar = TRUE;
1790 if (strcmp (secname, lname) < 0)
1796 if (add_child.head != NULL)
1798 add_child.head->header.next = *pl;
1799 *pl = add_child.head;
1803 free (hold_section_name);
1809 gld_${EMULATION_NAME}_open_dynamic_archive
1810 (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
1811 lang_input_statement_type *entry)
1813 const char * filename;
1816 if (! entry->is_archive)
1819 filename = entry->filename;
1821 string = (char *) xmalloc (strlen (search->name)
1823 + sizeof "/lib.a.dll"
1825 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1829 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
1830 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
1832 if (! ldfile_try_open_bfd (string, entry))
1834 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
1835 sprintf (string, "%s/%s.dll.a", search->name, filename);
1836 if (! ldfile_try_open_bfd (string, entry))
1838 /* Try libfoo.a next. Normally, this would be interpreted as a static
1839 library, but it *could* be an import library. For backwards compatibility,
1840 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1841 or sometimes errors occur when building legacy packages.
1843 Putting libfoo.a here means that in a failure case (i.e. the library
1844 -lfoo is not found) we will search for libfoo.a twice before
1845 giving up -- once here, and once when searching for a "static" lib.
1846 for a "static" lib. */
1847 /* Try "libfoo.a" (import lib, or static lib, but must
1848 take precedence over dll's). */
1849 sprintf (string, "%s/lib%s.a", search->name, filename);
1850 if (! ldfile_try_open_bfd (string, entry))
1853 if (pe_dll_search_prefix)
1855 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1856 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
1857 if (! ldfile_try_open_bfd (string, entry))
1859 /* Try "libfoo.dll" (default preferred dll name). */
1860 sprintf (string, "%s/lib%s.dll", search->name, filename);
1861 if (! ldfile_try_open_bfd (string, entry))
1863 /* Finally, try "foo.dll" (alternate dll name). */
1864 sprintf (string, "%s/%s.dll", search->name, filename);
1865 if (! ldfile_try_open_bfd (string, entry))
1873 else /* pe_dll_search_prefix not specified. */
1876 /* Try "libfoo.dll" (preferred dll name). */
1877 sprintf (string, "%s/lib%s.dll", search->name, filename);
1878 if (! ldfile_try_open_bfd (string, entry))
1880 /* Finally, try "foo.dll" (alternate dll name). */
1881 sprintf (string, "%s/%s.dll", search->name, filename);
1882 if (! ldfile_try_open_bfd (string, entry))
1893 entry->filename = string;
1899 gld_${EMULATION_NAME}_find_potential_libraries
1900 (char *name, lang_input_statement_type *entry)
1902 return ldfile_open_file_search (name, entry, "", ".lib");
1906 gld_${EMULATION_NAME}_get_script (int *isfile)
1908 # Scripts compiled in.
1909 # sed commands to quote an ld script as a C string.
1910 sc="-f stringify.sed"
1912 cat >>e${EMULATION_NAME}.c <<EOF
1916 if (link_info.relocatable && config.build_constructors)
1919 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1920 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1921 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1922 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1923 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1924 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1925 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1926 echo ' ; else return' >> e${EMULATION_NAME}.c
1927 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1928 echo '; }' >> e${EMULATION_NAME}.c
1930 cat >>e${EMULATION_NAME}.c <<EOF
1933 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1935 gld_${EMULATION_NAME}_before_parse,
1938 gld_${EMULATION_NAME}_after_parse,
1939 gld_${EMULATION_NAME}_after_open,
1940 after_allocation_default,
1941 set_output_arch_default,
1942 ldemul_default_target,
1943 gld_${EMULATION_NAME}_before_allocation,
1944 gld_${EMULATION_NAME}_get_script,
1945 "${EMULATION_NAME}",
1947 gld_${EMULATION_NAME}_finish,
1948 NULL, /* Create output section statements. */
1949 gld_${EMULATION_NAME}_open_dynamic_archive,
1950 gld_${EMULATION_NAME}_place_orphan,
1951 gld_${EMULATION_NAME}_set_symbols,
1952 NULL, /* parse_args */
1953 gld${EMULATION_NAME}_add_options,
1954 gld${EMULATION_NAME}_handle_option,
1955 gld_${EMULATION_NAME}_unrecognized_file,
1956 gld_${EMULATION_NAME}_list_options,
1957 gld_${EMULATION_NAME}_recognized_file,
1958 gld_${EMULATION_NAME}_find_potential_libraries,
1959 NULL /* new_vers_pattern. */