1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
4 if [ -z "$MACHINE" ]; then
7 OUTPUT_ARCH=${ARCH}:${MACHINE}
9 rm -f e${EMULATION_NAME}.c
10 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
12 /* Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
13 Written by Kai Tietz, OneVision Software GmbH&CoKg.
15 This file is part of the GNU Binutils.
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
19 the Free Software Foundation; either version 3 of the License, or
20 (at your option) any later version.
22 This program is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 GNU General Public License for more details.
27 You should have received a copy of the GNU General Public License
28 along with this program; if not, write to the Free Software
29 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30 MA 02110-1301, USA. */
33 /* For WINDOWS_XP64 and higher */
34 /* Based on pe.em, but modified for 64 bit support. */
36 #define TARGET_IS_${EMULATION_NAME}
38 #define COFF_IMAGE_WITH_PE
40 #define COFF_WITH_pex64
46 #include "libiberty.h"
57 #include "coff/internal.h"
59 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
60 header in generic PE code. */
61 #include "coff/x86_64.h"
64 /* FIXME: This is a BFD internal header file, and we should not be
66 #include "../bfd/libcoff.h"
69 #define AOUTSZ PEPAOUTSZ
70 #define PEAOUTHDR PEPAOUTHDR
74 #include "safe-ctype.h"
76 /* Permit the emulation parameters to override the default section
77 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
78 it seem that include/coff/internal.h should not define
79 PE_DEF_SECTION_ALIGNMENT. */
80 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
81 #undef PE_DEF_SECTION_ALIGNMENT
82 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
85 #ifdef TARGET_IS_i386pep
89 #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
90 #define PE_DEF_SUBSYSTEM 3
92 #undef NT_EXE_IMAGE_BASE
93 #define NT_EXE_IMAGE_BASE 0x00010000
94 #undef PE_DEF_SECTION_ALIGNMENT
95 #define PE_DEF_SUBSYSTEM 2
96 #undef PE_DEF_FILE_ALIGNMENT
97 #define PE_DEF_FILE_ALIGNMENT 0x00000200
98 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
102 static struct internal_extra_pe_aouthdr pep;
104 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
105 static int support_old_code = 0;
106 static lang_assignment_statement_type *image_base_statement = 0;
107 static unsigned short pe_dll_characteristics = 0;
110 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
111 static char * pep_out_def_filename = NULL;
112 static char * pep_implib_filename = NULL;
113 static int pep_enable_auto_image_base = 0;
114 static char * pep_dll_search_prefix = NULL;
117 extern const char *output_filename;
120 gld_${EMULATION_NAME}_before_parse (void)
122 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
123 output_filename = "${EXECUTABLE_NAME:-a.exe}";
125 config.dynamic_link = TRUE;
126 config.has_shared = 1;
127 link_info.pei386_auto_import = -1;
128 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
130 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
131 lang_default_entry ("_WinMainCRTStartup");
133 lang_default_entry ("${ENTRY}");
138 /* PE format extra command line options. */
140 /* Used for setting flags in the PE header. */
143 OPTION_BASE_FILE = 300 + 1,
145 OPTION_FILE_ALIGNMENT,
147 OPTION_MAJOR_IMAGE_VERSION,
148 OPTION_MAJOR_OS_VERSION,
149 OPTION_MAJOR_SUBSYSTEM_VERSION,
150 OPTION_MINOR_IMAGE_VERSION,
151 OPTION_MINOR_OS_VERSION,
152 OPTION_MINOR_SUBSYSTEM_VERSION,
153 OPTION_SECTION_ALIGNMENT,
157 OPTION_SUPPORT_OLD_CODE,
160 OPTION_EXCLUDE_SYMBOLS,
162 OPTION_STDCALL_ALIASES,
163 OPTION_ENABLE_STDCALL_FIXUP,
164 OPTION_DISABLE_STDCALL_FIXUP,
165 OPTION_IMPLIB_FILENAME,
166 OPTION_WARN_DUPLICATE_EXPORTS,
168 OPTION_ENABLE_AUTO_IMAGE_BASE,
169 OPTION_DISABLE_AUTO_IMAGE_BASE,
170 OPTION_DLL_SEARCH_PREFIX,
171 OPTION_NO_DEFAULT_EXCLUDES,
172 OPTION_DLL_ENABLE_AUTO_IMPORT,
173 OPTION_DLL_DISABLE_AUTO_IMPORT,
174 OPTION_ENABLE_EXTRA_PE_DEBUG,
176 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
177 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
178 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
179 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
180 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
181 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
182 OPTION_ENABLE_LONG_SECTION_NAMES,
183 OPTION_DISABLE_LONG_SECTION_NAMES,
185 OPTION_FORCE_INTEGRITY,
191 OPTION_TERMINAL_SERVER_AWARE
195 gld${EMULATION_NAME}_add_options
196 (int ns ATTRIBUTE_UNUSED,
197 char **shortopts ATTRIBUTE_UNUSED,
199 struct option **longopts,
200 int nrl ATTRIBUTE_UNUSED,
201 struct option **really_longopts ATTRIBUTE_UNUSED)
203 static const struct option xtra_long[] =
206 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
207 {"dll", no_argument, NULL, OPTION_DLL},
208 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
209 {"heap", required_argument, NULL, OPTION_HEAP},
210 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
211 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
212 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
213 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
214 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
215 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
216 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
217 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
218 {"stack", required_argument, NULL, OPTION_STACK},
219 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
220 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
221 {"use-nul-prefixed-import-tables", no_argument, NULL,
222 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
224 /* getopt allows abbreviations, so we do this to stop it
225 from treating -o as an abbreviation for this option. */
226 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
227 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
228 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
229 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
230 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
231 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
232 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
233 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
234 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
235 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
236 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
237 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
238 /* getopt() allows abbreviations, so we do this to stop it from
239 treating -c as an abbreviation for these --compat-implib. */
240 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
241 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
242 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
243 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
244 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
245 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
246 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
247 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
248 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
249 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
250 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
251 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
252 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
254 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
255 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
256 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
257 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
258 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
259 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
260 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
261 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
262 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
263 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
264 {NULL, no_argument, NULL, 0}
268 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
269 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
272 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
273 parameters which may be input from the command line. */
284 #define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0}
286 static definfo init[] =
288 /* imagebase must be first */
289 #define IMAGEBASEOFF 0
290 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
292 {&dll, sizeof(dll), 0, "__dll__", 0},
293 #define MSIMAGEBASEOFF 2
294 D(ImageBase,"___ImageBase", NT_EXE_IMAGE_BASE),
295 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
296 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
297 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
298 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
299 D(MajorImageVersion,"__major_image_version__", 0),
300 D(MinorImageVersion,"__minor_image_version__", 0),
301 D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
302 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
303 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
304 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
305 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
306 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
307 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
308 D(LoaderFlags,"__loader_flags__", 0x0),
309 D(DllCharacteristics, "__dll_characteristics__", 0x0),
310 { NULL, 0, 0, NULL, 0 }
315 gld_${EMULATION_NAME}_list_options (FILE *file)
317 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
318 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
319 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
320 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
321 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
322 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
323 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
324 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
325 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
326 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
327 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
328 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
329 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
330 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
331 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
333 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
334 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
335 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
336 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
337 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
338 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
339 fprintf (file, _(" Exclude objects, archive members from auto\n"));
340 fprintf (file, _(" export, place into import library instead.\n"));
341 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
342 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
343 fprintf (file, _(" --out-implib <file> Generate import library\n"));
344 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
345 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
346 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
347 create __imp_<SYMBOL> as well.\n"));
348 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
349 unless user specifies one\n"));
350 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
351 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
352 an importlib, use <string><basename>.dll\n\
353 in preference to lib<basename>.dll \n"));
354 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
355 __imp_sym for DATA references\n"));
356 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
357 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
358 adding pseudo-relocations resolved at\n\
360 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
361 auto-imported DATA.\n"));
362 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
363 or linking to DLLs (esp. auto-import)\n"));
364 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
365 executable image files\n"));
366 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
367 in object files\n"));
368 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
369 address space layout randomization (ASLR)\n"));
370 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
371 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
372 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
373 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
374 be called in this image\n"));
375 fprintf (file, _(" --no-bind Do not bind this image\n"));
376 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
377 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
383 set_pep_name (char *name, bfd_vma val)
387 /* Find the name and set it. */
388 for (i = 0; init[i].ptr; i++)
390 if (strcmp (name, init[i].symbol) == 0)
394 if (strcmp (name,"__image_base__") == 0)
395 set_pep_name ("___ImageBase", val);
404 set_pep_subsystem (void)
408 const char *initial_symbol_char;
413 unsigned long temp_subsystem;
422 { "native", 1, "NtProcessStartup" },
423 { "windows", 2, "WinMainCRTStartup" },
424 { "console", 3, "mainCRTStartup" },
425 { "posix", 7, "__PosixProcessStartup"},
426 { "wince", 9, "_WinMainCRTStartup" },
427 { "xbox", 14, "mainCRTStartup" },
430 /* Entry point name for arbitrary subsystem numbers. */
431 static const char default_entry[] = "mainCRTStartup";
433 /* Check for the presence of a version number. */
434 sver = strchr (optarg, ':');
436 len = strlen (optarg);
440 set_pep_name ("__major_subsystem_version__",
441 strtoul (sver + 1, &end, 0));
443 set_pep_name ("__minor_subsystem_version__",
444 strtoul (end + 1, &end, 0));
446 einfo (_("%P: warning: bad version number in -subsystem option\n"));
449 /* Check for numeric subsystem. */
450 temp_subsystem = strtoul (optarg, & end, 0);
451 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
453 /* Search list for a numeric match to use its entry point. */
454 for (i = 0; v[i].name; i++)
455 if (v[i].value == (int) temp_subsystem)
458 /* If no match, use the default. */
459 if (v[i].name != NULL)
462 entry = default_entry;
464 /* Use this subsystem. */
465 subsystem = (int) temp_subsystem;
469 /* Search for subsystem by name. */
470 for (i = 0; v[i].name; i++)
471 if (strncmp (optarg, v[i].name, len) == 0
472 && v[i].name[len] == '\0')
475 if (v[i].name == NULL)
477 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
482 subsystem = v[i].value;
485 set_pep_name ("__subsystem__", subsystem);
487 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
488 if (*initial_symbol_char != '\0')
492 /* lang_default_entry expects its argument to be permanently
493 allocated, so we don't free this string. */
494 alc_entry = xmalloc (strlen (initial_symbol_char)
497 strcpy (alc_entry, initial_symbol_char);
498 strcat (alc_entry, entry);
502 lang_default_entry (entry);
509 set_pep_value (char *name)
513 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
516 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
523 set_pep_stack_heap (char *resname, char *comname)
525 set_pep_value (resname);
530 set_pep_value (comname);
533 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
538 gld${EMULATION_NAME}_handle_option (int optc)
545 case OPTION_BASE_FILE:
546 link_info.base_file = fopen (optarg, FOPEN_WB);
547 if (link_info.base_file == NULL)
549 /* xgettext:c-format */
550 fprintf (stderr, _("%s: Can't open base file %s\n"),
551 program_name, optarg);
558 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
561 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
563 case OPTION_SUBSYSTEM:
564 set_pep_subsystem ();
566 case OPTION_MAJOR_OS_VERSION:
567 set_pep_value ("__major_os_version__");
569 case OPTION_MINOR_OS_VERSION:
570 set_pep_value ("__minor_os_version__");
572 case OPTION_MAJOR_SUBSYSTEM_VERSION:
573 set_pep_value ("__major_subsystem_version__");
575 case OPTION_MINOR_SUBSYSTEM_VERSION:
576 set_pep_value ("__minor_subsystem_version__");
578 case OPTION_MAJOR_IMAGE_VERSION:
579 set_pep_value ("__major_image_version__");
581 case OPTION_MINOR_IMAGE_VERSION:
582 set_pep_value ("__minor_image_version__");
584 case OPTION_FILE_ALIGNMENT:
585 set_pep_value ("__file_alignment__");
587 case OPTION_SECTION_ALIGNMENT:
588 set_pep_value ("__section_alignment__");
591 set_pep_name ("__dll__", 1);
593 case OPTION_IMAGE_BASE:
594 set_pep_value ("__image_base__");
596 case OPTION_SUPPORT_OLD_CODE:
597 support_old_code = 1;
599 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
600 pep_use_nul_prefixed_import_tables = TRUE;
604 pep_out_def_filename = xstrdup (optarg);
606 case OPTION_EXPORT_ALL:
607 pep_dll_export_everything = 1;
609 case OPTION_EXCLUDE_SYMBOLS:
610 pep_dll_add_excludes (optarg, EXCLUDESYMS);
612 case OPTION_EXCLUDE_LIBS:
613 pep_dll_add_excludes (optarg, EXCLUDELIBS);
615 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
616 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
618 case OPTION_KILL_ATS:
619 pep_dll_kill_ats = 1;
621 case OPTION_STDCALL_ALIASES:
622 pep_dll_stdcall_aliases = 1;
624 case OPTION_ENABLE_STDCALL_FIXUP:
625 pep_enable_stdcall_fixup = 1;
627 case OPTION_DISABLE_STDCALL_FIXUP:
628 pep_enable_stdcall_fixup = 0;
630 case OPTION_IMPLIB_FILENAME:
631 pep_implib_filename = xstrdup (optarg);
633 case OPTION_WARN_DUPLICATE_EXPORTS:
634 pep_dll_warn_dup_exports = 1;
636 case OPTION_IMP_COMPAT:
637 pep_dll_compat_implib = 1;
639 case OPTION_ENABLE_AUTO_IMAGE_BASE:
640 pep_enable_auto_image_base = 1;
642 case OPTION_DISABLE_AUTO_IMAGE_BASE:
643 pep_enable_auto_image_base = 0;
645 case OPTION_DLL_SEARCH_PREFIX:
646 pep_dll_search_prefix = xstrdup (optarg);
648 case OPTION_NO_DEFAULT_EXCLUDES:
649 pep_dll_do_default_excludes = 0;
651 case OPTION_DLL_ENABLE_AUTO_IMPORT:
652 link_info.pei386_auto_import = 1;
654 case OPTION_DLL_DISABLE_AUTO_IMPORT:
655 link_info.pei386_auto_import = 0;
657 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
658 link_info.pei386_runtime_pseudo_reloc = 2;
660 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
661 link_info.pei386_runtime_pseudo_reloc = 0;
663 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
664 link_info.pei386_runtime_pseudo_reloc = 1;
666 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
667 link_info.pei386_runtime_pseudo_reloc = 2;
669 case OPTION_ENABLE_EXTRA_PE_DEBUG:
670 pep_dll_extra_pe_debug = 1;
673 case OPTION_ENABLE_LONG_SECTION_NAMES:
674 pep_use_coff_long_section_names = 1;
676 case OPTION_DISABLE_LONG_SECTION_NAMES:
677 pep_use_coff_long_section_names = 0;
679 /* Get DLLCharacteristics bits */
680 case OPTION_DYNAMIC_BASE:
681 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
683 case OPTION_FORCE_INTEGRITY:
684 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
686 case OPTION_NX_COMPAT:
687 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
689 case OPTION_NO_ISOLATION:
690 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
693 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
696 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
698 case OPTION_WDM_DRIVER:
699 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
701 case OPTION_TERMINAL_SERVER_AWARE:
702 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
706 /* Set DLLCharacteristics bits */
707 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
715 strhash (const char *str)
717 const unsigned char *s;
724 s = (const unsigned char *) str;
725 while ((c = *s++) != '\0')
727 hash += c + (c << 17);
731 hash += len + (len << 17);
737 /* Use the output file to create a image base for relocatable DLLs. */
740 compute_dll_image_base (const char *ofile)
742 bfd_vma hash = (bfd_vma) strhash (ofile);
743 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
747 /* Assign values to the special symbols before the linker script is
751 gld_${EMULATION_NAME}_set_symbols (void)
753 /* Run through and invent symbols for all the
754 names and insert the defaults. */
757 if (!init[IMAGEBASEOFF].inited)
759 if (link_info.relocatable)
760 init[IMAGEBASEOFF].value = 0;
761 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
764 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
765 ? compute_dll_image_base (output_filename)
766 : NT_DLL_IMAGE_BASE);
768 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
772 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
773 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
776 /* Don't do any symbol assignments if this is a relocatable link. */
777 if (link_info.relocatable)
780 /* Glue the assignments into the abs section. */
781 push_stat_ptr (&abs_output_section->children);
783 for (j = 0; init[j].ptr; j++)
785 bfd_vma val = init[j].value;
786 lang_assignment_statement_type *rv;
787 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
789 if (init[j].size == sizeof (short))
790 *(short *) init[j].ptr = (short) val;
791 else if (init[j].size == sizeof (int))
792 *(int *) init[j].ptr = (int) val;
793 else if (init[j].size == sizeof (long))
794 *(long *) init[j].ptr = (long) val;
795 /* This might be a long long or other special type. */
796 else if (init[j].size == sizeof (bfd_vma))
797 *(bfd_vma *) init[j].ptr = val;
799 if (j == IMAGEBASEOFF)
800 image_base_statement = rv;
802 /* Restore the pointer. */
805 if (pep.FileAlignment > pep.SectionAlignment)
807 einfo (_("%P: warning, file alignment > section alignment.\n"));
811 /* This is called after the linker script and the command line options
815 gld_${EMULATION_NAME}_after_parse (void)
817 /* The Windows libraries are designed for the linker to treat the
818 entry point as an undefined symbol. Otherwise, the .obj that
819 defines mainCRTStartup is brought in because it is the first
820 encountered in libc.lib and it has other symbols in it which will
821 be pulled in by the link process. To avoid this, we act as
822 though the user specified -u with the entry point symbol.
824 This function is called after the linker script and command line
825 options have been read, so at this point we know the right entry
826 point. This function is called before the input files are
827 opened, so registering the symbol as undefined will make a
830 if (! link_info.relocatable && entry_symbol.name != NULL)
831 ldlang_add_undef (entry_symbol.name);
833 /* PR ld/6744: Warn the user if they have used an ELF-only
834 option hoping it will work on PE+. */
835 if (link_info.export_dynamic)
836 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
837 "targets, did you mean --export-all-symbols?\n"));
840 /* pep-dll.c directly accesses pep_data_import_dll,
841 so it must be defined outside of #ifdef DLL_SUPPORT.
842 Note - this variable is deliberately not initialised.
843 This allows it to be treated as a common varaible, and only
844 exist in one incarnation in a multiple target enabled linker. */
845 char * pep_data_import_dll;
848 static struct bfd_link_hash_entry *pep_undef_found_sym;
851 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
856 sl = strlen (string);
857 if (h->type == bfd_link_hash_defined
858 && strncmp (h->root.string, string, sl) == 0
859 && h->root.string[sl] == '@')
861 pep_undef_found_sym = h;
868 pep_fixup_stdcalls (void)
870 static int gave_warning_message = 0;
871 struct bfd_link_hash_entry *undef, *sym;
873 if (pep_dll_extra_pe_debug)
874 printf ("%s\n", __FUNCTION__);
876 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
877 if (undef->type == bfd_link_hash_undefined)
879 char* at = strchr (undef->root.string, '@');
880 int lead_at = (*undef->root.string == '@');
881 /* For now, don't try to fixup fastcall symbols. */
885 /* The symbol is a stdcall symbol, so let's look for a
886 cdecl symbol with the same name and resolve to that. */
887 char *cname = xstrdup (undef->root.string /* + lead_at */);
888 at = strchr (cname, '@');
890 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
892 if (sym && sym->type == bfd_link_hash_defined)
894 undef->type = bfd_link_hash_defined;
895 undef->u.def.value = sym->u.def.value;
896 undef->u.def.section = sym->u.def.section;
898 if (pep_enable_stdcall_fixup == -1)
900 einfo (_("Warning: resolving %s by linking to %s\n"),
901 undef->root.string, cname);
902 if (! gave_warning_message)
904 gave_warning_message = 1;
905 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
906 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
913 /* The symbol is a cdecl symbol, so we look for stdcall
914 symbols - which means scanning the whole symbol table. */
915 pep_undef_found_sym = 0;
916 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
917 (char *) undef->root.string);
918 sym = pep_undef_found_sym;
921 undef->type = bfd_link_hash_defined;
922 undef->u.def.value = sym->u.def.value;
923 undef->u.def.section = sym->u.def.section;
925 if (pep_enable_stdcall_fixup == -1)
927 einfo (_("Warning: resolving %s by linking to %s\n"),
928 undef->root.string, sym->root.string);
929 if (! gave_warning_message)
931 gave_warning_message = 1;
932 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
933 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
942 make_import_fixup (arelent *rel, asection *s)
944 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
949 if (pep_dll_extra_pe_debug)
950 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
951 (unsigned long) rel->address, (long) rel->addend);
953 memset (addend, 0, sizeof (addend));
954 switch ((rel->howto->bitsize))
957 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
958 if (suc && rel->howto->pc_relative)
959 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
961 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
964 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
965 if (suc && rel->howto->pc_relative)
966 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
968 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
971 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
972 if (suc && rel->howto->pc_relative)
973 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
975 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
978 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
980 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
984 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
985 s->owner, s, rel->address);
987 if (pep_dll_extra_pe_debug)
989 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
990 if (rel->howto->pc_relative) printf (" pcrel");
991 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
993 pep_create_import_fixup (rel, s, _addend);
999 pep_find_data_imports (void)
1001 struct bfd_link_hash_entry *undef, *sym;
1003 if (link_info.pei386_auto_import == 0)
1006 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1008 if (undef->type == bfd_link_hash_undefined)
1010 /* C++ symbols are *long*. */
1013 if (pep_dll_extra_pe_debug)
1014 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1016 sprintf (buf, "__imp_%s", undef->root.string);
1018 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1020 if (sym && sym->type == bfd_link_hash_defined)
1022 bfd *b = sym->u.def.section->owner;
1026 if (link_info.pei386_auto_import == -1)
1028 static bfd_boolean warned = FALSE;
1030 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1031 undef->root.string, buf);
1033 /* PR linker/4844. */
1037 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1038 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1042 if (!bfd_generic_link_read_symbols (b))
1044 einfo (_("%B%F: could not read symbols: %E\n"), b);
1048 symbols = bfd_get_outsymbols (b);
1049 nsyms = bfd_get_symcount (b);
1051 for (i = 0; i < nsyms; i++)
1053 if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
1056 if (pep_dll_extra_pe_debug)
1057 printf ("->%s\n", symbols[i]->name);
1059 pep_data_import_dll = (char*) (symbols[i]->name +
1060 sizeof ("__head_") - 1);
1064 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1067 /* Let's differentiate it somehow from defined. */
1068 undef->type = bfd_link_hash_defweak;
1069 /* We replace original name with __imp_ prefixed, this
1070 1) may trash memory 2) leads to duplicate symbol generation.
1071 Still, IMHO it's better than having name poluted. */
1072 undef->root.string = sym->root.string;
1073 undef->u.def.value = sym->u.def.value;
1074 undef->u.def.section = sym->u.def.section;
1081 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1083 if (pep_dll_extra_pe_debug)
1084 printf ("+%s\n", h->string);
1088 #endif /* DLL_SUPPORT */
1091 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1093 int *found = (int *) obj;
1094 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1099 gld_${EMULATION_NAME}_after_open (void)
1102 if (pep_dll_extra_pe_debug)
1105 struct bfd_link_hash_entry *sym;
1107 printf ("%s()\n", __FUNCTION__);
1109 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1110 printf ("-%s\n", sym->root.string);
1111 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1113 for (a = link_info.input_bfds; a; a = a->link_next)
1114 printf ("*%s\n",a->filename);
1118 /* Pass the wacky PE command line options into the output bfd.
1119 FIXME: This should be done via a function, rather than by
1120 including an internal BFD header. */
1122 if (coff_data (link_info.output_bfd) == NULL
1123 || coff_data (link_info.output_bfd)->pe == 0)
1124 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1125 link_info.output_bfd);
1127 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1128 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1129 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1131 /* At this point we must decide whether to use long section names
1132 in the output or not. If the user hasn't explicitly specified
1133 on the command line, we leave it to the default for the format
1134 (object files yes, image files no), except if there is debug
1135 information present; GDB relies on the long section names to
1136 find it, so enable it in that case. */
1137 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1139 /* Iterate over all sections of all input BFDs, checking
1140 for any that begin 'debug_' and are long names. */
1141 LANG_FOR_EACH_INPUT_STATEMENT (is)
1143 int found_debug = 0;
1144 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1147 pep_use_coff_long_section_names = 1;
1153 pep_output_file_set_long_section_names (link_info.output_bfd);
1156 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1157 pep_fixup_stdcalls ();
1159 pep_process_import_defs (link_info.output_bfd, &link_info);
1161 pep_find_data_imports ();
1163 #ifndef TARGET_IS_i386pep
1164 if (link_info.shared)
1166 if (!link_info.relocatable)
1168 pep_dll_build_sections (link_info.output_bfd, &link_info);
1170 #ifndef TARGET_IS_i386pep
1172 pep_exe_build_sections (link_info.output_bfd, &link_info);
1174 #endif /* DLL_SUPPORT */
1177 /* This next chunk of code tries to detect the case where you have
1178 two import libraries for the same DLL (specifically,
1179 symbolically linking libm.a and libc.a in cygwin to
1180 libcygwin.a). In those cases, it's possible for function
1181 thunks from the second implib to be used but without the
1182 head/tail objects, causing an improper import table. We detect
1183 those cases and rename the "other" import libraries to match
1184 the one the head/tail come from, so that the linker will sort
1185 things nicely and produce a valid import table. */
1187 LANG_FOR_EACH_INPUT_STATEMENT (is)
1189 if (is->the_bfd->my_archive)
1191 int idata2 = 0, reloc_count=0, is_imp = 0;
1194 /* See if this is an import library thunk. */
1195 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1197 if (strcmp (sec->name, ".idata\$2") == 0)
1199 if (CONST_STRNEQ (sec->name, ".idata\$"))
1201 reloc_count += sec->reloc_count;
1204 if (is_imp && !idata2 && reloc_count)
1206 /* It is, look for the reference to head and see if it's
1207 from our own library. */
1208 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1216 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1220 if (!bfd_generic_link_read_symbols (is->the_bfd))
1222 einfo (_("%B%F: could not read symbols: %E\n"),
1226 symbols = bfd_get_outsymbols (is->the_bfd);
1228 relocs = xmalloc ((size_t) relsize);
1229 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1234 einfo ("%X%P: unable to process relocs: %E\n");
1238 for (i = 0; i < nrelocs; i++)
1240 struct bfd_symbol *s;
1241 struct bfd_link_hash_entry * blhe;
1242 char *other_bfd_filename;
1245 s = (relocs[i]->sym_ptr_ptr)[0];
1247 if (s->flags & BSF_LOCAL)
1250 /* Thunk section with reloc to another bfd. */
1251 blhe = bfd_link_hash_lookup (link_info.hash,
1253 FALSE, FALSE, TRUE);
1256 || blhe->type != bfd_link_hash_defined)
1260 = blhe->u.def.section->owner->my_archive
1261 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1262 : bfd_get_filename (blhe->u.def.section->owner);
1264 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1265 other_bfd_filename) == 0)
1268 /* Rename this implib to match the other one. */
1269 n = xmalloc (strlen (other_bfd_filename) + 1);
1270 strcpy (n, other_bfd_filename);
1271 is->the_bfd->my_archive->filename = n;
1275 /* Note - we do not free the symbols,
1276 they are now cached in the BFD. */
1286 lang_input_statement_type *is2;
1287 lang_input_statement_type *is3;
1289 /* Careful - this is a shell script. Watch those dollar signs! */
1290 /* Microsoft import libraries have every member named the same,
1291 and not in the right order for us to link them correctly. We
1292 must detect these and rename the members so that they'll link
1293 correctly. There are three types of objects: the head, the
1294 thunks, and the sentinel(s). The head is easy; it's the one
1295 with idata2. We assume that the sentinels won't have relocs,
1296 and the thunks will. It's easier than checking the symbol
1297 table for external references. */
1298 LANG_FOR_EACH_INPUT_STATEMENT (is)
1300 if (is->the_bfd->my_archive)
1303 bfd *arch = is->the_bfd->my_archive;
1305 if (cur_arch != arch)
1311 is3 && is3->the_bfd->my_archive == arch;
1312 is3 = (lang_input_statement_type *) is3->next)
1314 /* A MS dynamic import library can also contain static
1315 members, so look for the first element with a .dll
1316 extension, and use that for the remainder of the
1318 pnt = strrchr (is3->the_bfd->filename, '.');
1319 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1327 /* OK, found one. Now look to see if the remaining
1328 (dynamic import) members use the same name. */
1330 is2 && is2->the_bfd->my_archive == arch;
1331 is2 = (lang_input_statement_type *) is2->next)
1333 /* Skip static members, ie anything with a .obj
1335 pnt = strrchr (is2->the_bfd->filename, '.');
1336 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1339 if (strcmp (is3->the_bfd->filename,
1340 is2->the_bfd->filename))
1349 /* This fragment might have come from an .obj file in a Microsoft
1350 import, and not an actual import record. If this is the case,
1351 then leave the filename alone. */
1352 pnt = strrchr (is->the_bfd->filename, '.');
1354 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1356 int idata2 = 0, reloc_count=0;
1358 char *new_name, seq;
1360 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1362 if (strcmp (sec->name, ".idata\$2") == 0)
1364 reloc_count += sec->reloc_count;
1367 if (idata2) /* .idata2 is the TOC */
1369 else if (reloc_count > 0) /* thunks */
1374 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1375 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1376 is->the_bfd->filename = new_name;
1378 new_name = xmalloc (strlen (is->filename) + 3);
1379 sprintf (new_name, "%s.%c", is->filename, seq);
1380 is->filename = new_name;
1388 gld_${EMULATION_NAME}_before_allocation (void)
1390 before_allocation_default ();
1394 /* This is called when an input file isn't recognized as a BFD. We
1395 check here for .DEF files and pull them in automatically. */
1398 saw_option (char *option)
1402 for (i = 0; init[i].ptr; i++)
1403 if (strcmp (init[i].symbol, option) == 0)
1404 return init[i].inited;
1407 #endif /* DLL_SUPPORT */
1410 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1413 const char *ext = entry->filename + strlen (entry->filename) - 4;
1415 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1417 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1421 int i, buflen=0, len;
1424 for (i = 0; i < pep_def_file->num_exports; i++)
1426 len = strlen (pep_def_file->exports[i].internal_name);
1427 if (buflen < len + 2)
1431 buf = xmalloc (buflen);
1433 for (i = 0; i < pep_def_file->num_exports; i++)
1435 struct bfd_link_hash_entry *h;
1437 sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
1439 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1440 if (h == (struct bfd_link_hash_entry *) NULL)
1441 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1442 if (h->type == bfd_link_hash_new)
1444 h->type = bfd_link_hash_undefined;
1445 h->u.undef.abfd = NULL;
1446 bfd_link_add_undef (link_info.hash, h);
1451 /* def_file_print (stdout, pep_def_file); */
1452 if (pep_def_file->is_dll == 1)
1453 link_info.shared = 1;
1455 if (pep_def_file->base_address != (bfd_vma)(-1))
1458 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1459 = init[IMAGEBASEOFF].value
1460 = pep_def_file->base_address;
1461 init[IMAGEBASEOFF].inited = 1;
1462 if (image_base_statement)
1463 image_base_statement->exp = exp_assop ('=', "__image_base__",
1464 exp_intop (pep.ImageBase));
1467 if (pep_def_file->stack_reserve != -1
1468 && ! saw_option ("__size_of_stack_reserve__"))
1470 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1471 if (pep_def_file->stack_commit != -1)
1472 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1474 if (pep_def_file->heap_reserve != -1
1475 && ! saw_option ("__size_of_heap_reserve__"))
1477 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1478 if (pep_def_file->heap_commit != -1)
1479 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1489 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1492 #ifdef TARGET_IS_i386pep
1493 pep_dll_id_target ("pei-x86-64");
1495 if (pep_bfd_is_dll (entry->the_bfd))
1496 return pep_implied_import_dll (entry->filename);
1502 gld_${EMULATION_NAME}_finish (void)
1507 if (link_info.shared
1508 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1510 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1511 if (pep_implib_filename)
1512 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1515 if (pep_out_def_filename)
1516 pep_dll_generate_def_file (pep_out_def_filename);
1517 #endif /* DLL_SUPPORT */
1519 /* I don't know where .idata gets set as code, but it shouldn't be. */
1521 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1525 asec->flags &= ~SEC_CODE;
1526 asec->flags |= SEC_DATA;
1532 /* Place an orphan section.
1534 We use this to put sections in a reasonable place in the file, and
1535 to ensure that they are aligned as required.
1537 We handle grouped sections here as well. A section named .foo\$nn
1538 goes into the output section .foo. All grouped sections are sorted
1541 Grouped sections for the default sections are handled by the
1542 default linker script using wildcards, and are sorted by
1545 static lang_output_section_statement_type *
1546 gld_${EMULATION_NAME}_place_orphan (asection *s,
1547 const char *secname,
1550 const char *orig_secname = secname;
1551 char *dollar = NULL;
1552 lang_output_section_statement_type *os;
1553 lang_statement_list_type add_child;
1554 lang_statement_union_type **pl;
1556 /* Look through the script to see where to place this section. */
1557 if (!link_info.relocatable
1558 && (dollar = strchr (secname, '\$')) != NULL)
1560 size_t len = dollar - secname;
1561 char *newname = xmalloc (len + 1);
1562 memcpy (newname, secname, len);
1563 newname[len] = '\0';
1567 lang_list_init (&add_child);
1570 if (constraint == 0)
1571 for (os = lang_output_section_find (secname);
1573 os = next_matching_output_section_statement (os, 0))
1575 /* If we don't match an existing output section, tell
1576 lang_insert_orphan to create a new output section. */
1577 constraint = SPECIAL;
1579 if (os->bfd_section != NULL
1580 && (os->bfd_section->flags == 0
1581 || ((s->flags ^ os->bfd_section->flags)
1582 & (SEC_LOAD | SEC_ALLOC)) == 0))
1584 /* We already have an output section statement with this
1585 name, and its bfd section has compatible flags.
1586 If the section already exists but does not have any flags set,
1587 then it has been created by the linker, probably as a result of
1588 a --section-start command line switch. */
1589 lang_add_section (&add_child, s, os);
1596 static struct orphan_save hold[] =
1599 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1602 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1605 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1611 enum orphan_save_index
1618 static int orphan_init_done = 0;
1619 struct orphan_save *place;
1620 lang_output_section_statement_type *after;
1621 etree_type *address;
1623 if (!orphan_init_done)
1625 struct orphan_save *ho;
1626 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1627 if (ho->name != NULL)
1629 ho->os = lang_output_section_find (ho->name);
1630 if (ho->os != NULL && ho->os->flags == 0)
1631 ho->os->flags = ho->flags;
1633 orphan_init_done = 1;
1636 /* Try to put the new output section in a reasonable place based
1637 on the section name and section flags. */
1640 if ((s->flags & SEC_ALLOC) == 0)
1642 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1643 place = &hold[orphan_bss];
1644 else if ((s->flags & SEC_READONLY) == 0)
1645 place = &hold[orphan_data];
1646 else if ((s->flags & SEC_CODE) == 0)
1647 place = &hold[orphan_rodata];
1649 place = &hold[orphan_text];
1654 if (place->os == NULL)
1655 place->os = lang_output_section_find (place->name);
1658 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1660 /* *ABS* is always the first output section statement. */
1661 after = (&lang_output_section_statement.head
1662 ->output_section_statement);
1665 /* All sections in an executable must be aligned to a page boundary. */
1666 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1667 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1671 /* If the section name has a '\$', sort it with the other '\$'
1673 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1675 lang_input_section_type *ls;
1678 if ((*pl)->header.type != lang_input_section_enum)
1681 ls = &(*pl)->input_section;
1683 lname = bfd_get_section_name (ls->section->owner, ls->section);
1684 if (strchr (lname, '\$') != NULL
1685 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1689 if (add_child.head != NULL)
1691 *add_child.tail = *pl;
1692 *pl = add_child.head;
1699 gld_${EMULATION_NAME}_open_dynamic_archive
1700 (const char *arch ATTRIBUTE_UNUSED,
1701 search_dirs_type *search,
1702 lang_input_statement_type *entry)
1706 const char * format;
1707 bfd_boolean use_prefix;
1711 /* Preferred explicit import library for dll's. */
1712 { "lib%s.dll.a", FALSE },
1713 /* Alternate explicit import library for dll's. */
1714 { "%s.dll.a", FALSE },
1715 /* "libfoo.a" could be either an import lib or a static lib.
1716 For backwards compatibility, libfoo.a needs to precede
1717 libfoo.dll and foo.dll in the search. */
1718 { "lib%s.a", FALSE },
1719 /* The 'native' spelling of an import lib name is "foo.lib". */
1720 { "%s.lib", FALSE },
1722 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1723 { "%s%s.dll", TRUE },
1725 /* Try "libfoo.dll" (default preferred dll name). */
1726 { "lib%s.dll", FALSE },
1727 /* Finally try 'native' dll name "foo.dll". */
1728 { "%s.dll", FALSE },
1729 /* Note: If adding more formats to this table, make sure to check to
1730 see if their length is longer than libname_fmt[0].format, and if
1731 so, update the call to xmalloc() below. */
1734 static unsigned int format_max_len = 0;
1735 const char * filename;
1741 if (! entry->is_archive)
1744 filename = entry->filename;
1746 if (format_max_len == 0)
1747 /* We need to allow space in the memory that we are going to allocate
1748 for the characters in the format string. Since the format array is
1749 static we only need to calculate this information once. In theory
1750 this value could also be computed statically, but this introduces
1751 the possibility for a discrepancy and hence a possible memory
1752 corruption. The lengths we compute here will be too long because
1753 they will include any formating characters (%s) in the strings, but
1754 this will not matter. */
1755 for (i = 0; libname_fmt[i].format; i++)
1756 if (format_max_len < strlen (libname_fmt[i].format))
1757 format_max_len = strlen (libname_fmt[i].format);
1759 full_string = xmalloc (strlen (search->name)
1763 + (pep_dll_search_prefix
1764 ? strlen (pep_dll_search_prefix) : 0)
1766 /* Allow for the terminating NUL and for the path
1767 separator character that is inserted between
1768 search->name and the start of the format string. */
1771 sprintf (full_string, "%s/", search->name);
1772 base_string = full_string + strlen (full_string);
1774 for (i = 0; libname_fmt[i].format; i++)
1777 if (libname_fmt[i].use_prefix)
1779 if (!pep_dll_search_prefix)
1781 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1785 sprintf (base_string, libname_fmt[i].format, filename);
1787 if (ldfile_try_open_bfd (full_string, entry))
1791 if (!libname_fmt[i].format)
1797 entry->filename = full_string;
1803 gld_${EMULATION_NAME}_find_potential_libraries
1804 (char *name, lang_input_statement_type *entry)
1806 return ldfile_open_file_search (name, entry, "", ".lib");
1810 gld_${EMULATION_NAME}_get_script (int *isfile)
1812 # Scripts compiled in.
1813 # sed commands to quote an ld script as a C string.
1814 sc="-f stringify.sed"
1820 if (link_info.relocatable && config.build_constructors)
1823 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1824 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1825 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1826 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1827 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1828 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1829 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1830 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1831 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1832 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1834 echo ' ; else return' >> e${EMULATION_NAME}.c
1835 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1836 echo '; }' >> e${EMULATION_NAME}.c
1841 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1843 gld_${EMULATION_NAME}_before_parse,
1846 gld_${EMULATION_NAME}_after_parse,
1847 gld_${EMULATION_NAME}_after_open,
1848 after_allocation_default,
1849 set_output_arch_default,
1850 ldemul_default_target,
1851 gld_${EMULATION_NAME}_before_allocation,
1852 gld_${EMULATION_NAME}_get_script,
1853 "${EMULATION_NAME}",
1855 gld_${EMULATION_NAME}_finish,
1856 NULL, /* Create output section statements. */
1857 gld_${EMULATION_NAME}_open_dynamic_archive,
1858 gld_${EMULATION_NAME}_place_orphan,
1859 gld_${EMULATION_NAME}_set_symbols,
1860 NULL, /* parse_args */
1861 gld${EMULATION_NAME}_add_options,
1862 gld${EMULATION_NAME}_handle_option,
1863 gld_${EMULATION_NAME}_unrecognized_file,
1864 gld_${EMULATION_NAME}_list_options,
1865 gld_${EMULATION_NAME}_recognized_file,
1866 gld_${EMULATION_NAME}_find_potential_libraries,
1867 NULL /* new_vers_pattern. */