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
101 #define U(S) ${INITIAL_SYMBOL_CHAR} S
103 static struct internal_extra_pe_aouthdr pep;
105 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
106 static int support_old_code = 0;
107 static lang_assignment_statement_type *image_base_statement = 0;
108 static unsigned short pe_dll_characteristics = 0;
111 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
112 static char * pep_out_def_filename = NULL;
113 static char * pep_implib_filename = NULL;
114 static int pep_enable_auto_image_base = 0;
115 static char * pep_dll_search_prefix = NULL;
118 extern const char *output_filename;
121 gld_${EMULATION_NAME}_before_parse (void)
123 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
124 output_filename = "${EXECUTABLE_NAME:-a.exe}";
126 config.dynamic_link = TRUE;
127 config.has_shared = 1;
128 link_info.pei386_auto_import = -1;
129 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
131 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
132 lang_default_entry ("_WinMainCRTStartup");
134 lang_default_entry ("${ENTRY}");
139 /* PE format extra command line options. */
141 /* Used for setting flags in the PE header. */
144 OPTION_BASE_FILE = 300 + 1,
146 OPTION_FILE_ALIGNMENT,
148 OPTION_MAJOR_IMAGE_VERSION,
149 OPTION_MAJOR_OS_VERSION,
150 OPTION_MAJOR_SUBSYSTEM_VERSION,
151 OPTION_MINOR_IMAGE_VERSION,
152 OPTION_MINOR_OS_VERSION,
153 OPTION_MINOR_SUBSYSTEM_VERSION,
154 OPTION_SECTION_ALIGNMENT,
158 OPTION_SUPPORT_OLD_CODE,
161 OPTION_EXCLUDE_SYMBOLS,
162 OPTION_EXCLUDE_ALL_SYMBOLS,
164 OPTION_STDCALL_ALIASES,
165 OPTION_ENABLE_STDCALL_FIXUP,
166 OPTION_DISABLE_STDCALL_FIXUP,
167 OPTION_IMPLIB_FILENAME,
168 OPTION_WARN_DUPLICATE_EXPORTS,
170 OPTION_ENABLE_AUTO_IMAGE_BASE,
171 OPTION_DISABLE_AUTO_IMAGE_BASE,
172 OPTION_DLL_SEARCH_PREFIX,
173 OPTION_NO_DEFAULT_EXCLUDES,
174 OPTION_DLL_ENABLE_AUTO_IMPORT,
175 OPTION_DLL_DISABLE_AUTO_IMPORT,
176 OPTION_ENABLE_EXTRA_PE_DEBUG,
178 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
179 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
180 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
181 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
182 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
183 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
184 OPTION_ENABLE_LONG_SECTION_NAMES,
185 OPTION_DISABLE_LONG_SECTION_NAMES,
187 OPTION_FORCE_INTEGRITY,
193 OPTION_TERMINAL_SERVER_AWARE
197 gld${EMULATION_NAME}_add_options
198 (int ns ATTRIBUTE_UNUSED,
199 char **shortopts ATTRIBUTE_UNUSED,
201 struct option **longopts,
202 int nrl ATTRIBUTE_UNUSED,
203 struct option **really_longopts ATTRIBUTE_UNUSED)
205 static const struct option xtra_long[] =
208 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
209 {"dll", no_argument, NULL, OPTION_DLL},
210 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
211 {"heap", required_argument, NULL, OPTION_HEAP},
212 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
213 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
214 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
215 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
216 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
217 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
218 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
219 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
220 {"stack", required_argument, NULL, OPTION_STACK},
221 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
222 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
223 {"use-nul-prefixed-import-tables", no_argument, NULL,
224 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
226 /* getopt allows abbreviations, so we do this to stop it
227 from treating -o as an abbreviation for this option. */
228 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
229 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
230 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
231 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
232 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
233 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
234 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
235 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
236 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
237 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
238 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
239 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
240 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
241 /* getopt() allows abbreviations, so we do this to stop it from
242 treating -c as an abbreviation for these --compat-implib. */
243 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
244 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
245 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
246 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
247 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
248 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
249 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
250 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
251 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
252 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
253 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
254 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
255 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
257 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
258 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
259 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
260 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
261 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
262 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
263 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
264 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
265 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
266 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
267 {NULL, no_argument, NULL, 0}
271 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
272 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
275 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
276 parameters which may be input from the command line. */
287 #define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0}
289 static definfo init[] =
291 /* imagebase must be first */
292 #define IMAGEBASEOFF 0
293 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
295 {&dll, sizeof(dll), 0, "__dll__", 0},
296 #define MSIMAGEBASEOFF 2
297 D(ImageBase, U("__ImageBase"), NT_EXE_IMAGE_BASE),
298 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
299 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
300 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
301 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
302 D(MajorImageVersion,"__major_image_version__", 0),
303 D(MinorImageVersion,"__minor_image_version__", 0),
304 D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
305 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
306 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
307 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
308 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
309 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
310 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
311 D(LoaderFlags,"__loader_flags__", 0x0),
312 D(DllCharacteristics, "__dll_characteristics__", 0x0),
313 { NULL, 0, 0, NULL, 0 }
318 gld_${EMULATION_NAME}_list_options (FILE *file)
320 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
321 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
322 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
323 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
324 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
325 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
326 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
327 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
328 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
329 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
330 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
331 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
332 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
333 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
334 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
336 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
337 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
338 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
339 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
340 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
341 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
342 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
343 fprintf (file, _(" Exclude objects, archive members from auto\n"));
344 fprintf (file, _(" export, place into import library instead.\n"));
345 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
346 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
347 fprintf (file, _(" --out-implib <file> Generate import library\n"));
348 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
349 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
350 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
351 create __imp_<SYMBOL> as well.\n"));
352 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
353 unless user specifies one\n"));
354 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
355 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
356 an importlib, use <string><basename>.dll\n\
357 in preference to lib<basename>.dll \n"));
358 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
359 __imp_sym for DATA references\n"));
360 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
361 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
362 adding pseudo-relocations resolved at\n\
364 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
365 auto-imported DATA.\n"));
366 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
367 or linking to DLLs (esp. auto-import)\n"));
368 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
369 executable image files\n"));
370 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
371 in object files\n"));
372 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
373 address space layout randomization (ASLR)\n"));
374 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
375 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
376 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
377 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
378 be called in this image\n"));
379 fprintf (file, _(" --no-bind Do not bind this image\n"));
380 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
381 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
387 set_pep_name (char *name, bfd_vma val)
391 /* Find the name and set it. */
392 for (i = 0; init[i].ptr; i++)
394 if (strcmp (name, init[i].symbol) == 0)
398 if (strcmp (name,"__image_base__") == 0)
399 set_pep_name ("___ImageBase", val);
408 set_pep_subsystem (void)
412 const char *initial_symbol_char;
417 unsigned long temp_subsystem;
426 { "native", 1, "NtProcessStartup" },
427 { "windows", 2, "WinMainCRTStartup" },
428 { "console", 3, "mainCRTStartup" },
429 { "posix", 7, "__PosixProcessStartup"},
430 { "wince", 9, "_WinMainCRTStartup" },
431 { "xbox", 14, "mainCRTStartup" },
434 /* Entry point name for arbitrary subsystem numbers. */
435 static const char default_entry[] = "mainCRTStartup";
437 /* Check for the presence of a version number. */
438 sver = strchr (optarg, ':');
440 len = strlen (optarg);
444 set_pep_name ("__major_subsystem_version__",
445 strtoul (sver + 1, &end, 0));
447 set_pep_name ("__minor_subsystem_version__",
448 strtoul (end + 1, &end, 0));
450 einfo (_("%P: warning: bad version number in -subsystem option\n"));
453 /* Check for numeric subsystem. */
454 temp_subsystem = strtoul (optarg, & end, 0);
455 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
457 /* Search list for a numeric match to use its entry point. */
458 for (i = 0; v[i].name; i++)
459 if (v[i].value == (int) temp_subsystem)
462 /* If no match, use the default. */
463 if (v[i].name != NULL)
466 entry = default_entry;
468 /* Use this subsystem. */
469 subsystem = (int) temp_subsystem;
473 /* Search for subsystem by name. */
474 for (i = 0; v[i].name; i++)
475 if (strncmp (optarg, v[i].name, len) == 0
476 && v[i].name[len] == '\0')
479 if (v[i].name == NULL)
481 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
486 subsystem = v[i].value;
489 set_pep_name ("__subsystem__", subsystem);
491 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
492 if (*initial_symbol_char != '\0')
496 /* lang_default_entry expects its argument to be permanently
497 allocated, so we don't free this string. */
498 alc_entry = xmalloc (strlen (initial_symbol_char)
501 strcpy (alc_entry, initial_symbol_char);
502 strcat (alc_entry, entry);
506 lang_default_entry (entry);
513 set_pep_value (char *name)
517 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
520 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
527 set_pep_stack_heap (char *resname, char *comname)
529 set_pep_value (resname);
534 set_pep_value (comname);
537 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
542 gld${EMULATION_NAME}_handle_option (int optc)
549 case OPTION_BASE_FILE:
550 link_info.base_file = fopen (optarg, FOPEN_WB);
551 if (link_info.base_file == NULL)
553 /* xgettext:c-format */
554 fprintf (stderr, _("%s: Can't open base file %s\n"),
555 program_name, optarg);
562 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
565 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
567 case OPTION_SUBSYSTEM:
568 set_pep_subsystem ();
570 case OPTION_MAJOR_OS_VERSION:
571 set_pep_value ("__major_os_version__");
573 case OPTION_MINOR_OS_VERSION:
574 set_pep_value ("__minor_os_version__");
576 case OPTION_MAJOR_SUBSYSTEM_VERSION:
577 set_pep_value ("__major_subsystem_version__");
579 case OPTION_MINOR_SUBSYSTEM_VERSION:
580 set_pep_value ("__minor_subsystem_version__");
582 case OPTION_MAJOR_IMAGE_VERSION:
583 set_pep_value ("__major_image_version__");
585 case OPTION_MINOR_IMAGE_VERSION:
586 set_pep_value ("__minor_image_version__");
588 case OPTION_FILE_ALIGNMENT:
589 set_pep_value ("__file_alignment__");
591 case OPTION_SECTION_ALIGNMENT:
592 set_pep_value ("__section_alignment__");
595 set_pep_name ("__dll__", 1);
597 case OPTION_IMAGE_BASE:
598 set_pep_value ("__image_base__");
600 case OPTION_SUPPORT_OLD_CODE:
601 support_old_code = 1;
603 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
604 pep_use_nul_prefixed_import_tables = TRUE;
608 pep_out_def_filename = xstrdup (optarg);
610 case OPTION_EXPORT_ALL:
611 pep_dll_export_everything = 1;
613 case OPTION_EXCLUDE_SYMBOLS:
614 pep_dll_add_excludes (optarg, EXCLUDESYMS);
616 case OPTION_EXCLUDE_ALL_SYMBOLS:
617 pep_dll_exclude_all_symbols = 1;
619 case OPTION_EXCLUDE_LIBS:
620 pep_dll_add_excludes (optarg, EXCLUDELIBS);
622 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
623 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
625 case OPTION_KILL_ATS:
626 pep_dll_kill_ats = 1;
628 case OPTION_STDCALL_ALIASES:
629 pep_dll_stdcall_aliases = 1;
631 case OPTION_ENABLE_STDCALL_FIXUP:
632 pep_enable_stdcall_fixup = 1;
634 case OPTION_DISABLE_STDCALL_FIXUP:
635 pep_enable_stdcall_fixup = 0;
637 case OPTION_IMPLIB_FILENAME:
638 pep_implib_filename = xstrdup (optarg);
640 case OPTION_WARN_DUPLICATE_EXPORTS:
641 pep_dll_warn_dup_exports = 1;
643 case OPTION_IMP_COMPAT:
644 pep_dll_compat_implib = 1;
646 case OPTION_ENABLE_AUTO_IMAGE_BASE:
647 pep_enable_auto_image_base = 1;
649 case OPTION_DISABLE_AUTO_IMAGE_BASE:
650 pep_enable_auto_image_base = 0;
652 case OPTION_DLL_SEARCH_PREFIX:
653 pep_dll_search_prefix = xstrdup (optarg);
655 case OPTION_NO_DEFAULT_EXCLUDES:
656 pep_dll_do_default_excludes = 0;
658 case OPTION_DLL_ENABLE_AUTO_IMPORT:
659 link_info.pei386_auto_import = 1;
661 case OPTION_DLL_DISABLE_AUTO_IMPORT:
662 link_info.pei386_auto_import = 0;
664 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
665 link_info.pei386_runtime_pseudo_reloc = 2;
667 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
668 link_info.pei386_runtime_pseudo_reloc = 0;
670 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
671 link_info.pei386_runtime_pseudo_reloc = 1;
673 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
674 link_info.pei386_runtime_pseudo_reloc = 2;
676 case OPTION_ENABLE_EXTRA_PE_DEBUG:
677 pep_dll_extra_pe_debug = 1;
680 case OPTION_ENABLE_LONG_SECTION_NAMES:
681 pep_use_coff_long_section_names = 1;
683 case OPTION_DISABLE_LONG_SECTION_NAMES:
684 pep_use_coff_long_section_names = 0;
686 /* Get DLLCharacteristics bits */
687 case OPTION_DYNAMIC_BASE:
688 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
690 case OPTION_FORCE_INTEGRITY:
691 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
693 case OPTION_NX_COMPAT:
694 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
696 case OPTION_NO_ISOLATION:
697 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
700 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
703 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
705 case OPTION_WDM_DRIVER:
706 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
708 case OPTION_TERMINAL_SERVER_AWARE:
709 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
713 /* Set DLLCharacteristics bits */
714 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
722 strhash (const char *str)
724 const unsigned char *s;
731 s = (const unsigned char *) str;
732 while ((c = *s++) != '\0')
734 hash += c + (c << 17);
738 hash += len + (len << 17);
744 /* Use the output file to create a image base for relocatable DLLs. */
747 compute_dll_image_base (const char *ofile)
749 bfd_vma hash = (bfd_vma) strhash (ofile);
750 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
754 /* Assign values to the special symbols before the linker script is
758 gld_${EMULATION_NAME}_set_symbols (void)
760 /* Run through and invent symbols for all the
761 names and insert the defaults. */
764 if (!init[IMAGEBASEOFF].inited)
766 if (link_info.relocatable)
767 init[IMAGEBASEOFF].value = 0;
768 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
771 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
772 ? compute_dll_image_base (output_filename)
773 : NT_DLL_IMAGE_BASE);
775 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
779 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
780 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
783 /* Don't do any symbol assignments if this is a relocatable link. */
784 if (link_info.relocatable)
787 /* Glue the assignments into the abs section. */
788 push_stat_ptr (&abs_output_section->children);
790 for (j = 0; init[j].ptr; j++)
792 bfd_vma val = init[j].value;
793 lang_assignment_statement_type *rv;
794 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
796 if (init[j].size == sizeof (short))
797 *(short *) init[j].ptr = (short) val;
798 else if (init[j].size == sizeof (int))
799 *(int *) init[j].ptr = (int) val;
800 else if (init[j].size == sizeof (long))
801 *(long *) init[j].ptr = (long) val;
802 /* This might be a long long or other special type. */
803 else if (init[j].size == sizeof (bfd_vma))
804 *(bfd_vma *) init[j].ptr = val;
806 if (j == IMAGEBASEOFF)
807 image_base_statement = rv;
809 /* Restore the pointer. */
812 if (pep.FileAlignment > pep.SectionAlignment)
814 einfo (_("%P: warning, file alignment > section alignment.\n"));
818 /* This is called after the linker script and the command line options
822 gld_${EMULATION_NAME}_after_parse (void)
824 /* PR ld/6744: Warn the user if they have used an ELF-only
825 option hoping it will work on PE+. */
826 if (link_info.export_dynamic)
827 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
828 "targets, did you mean --export-all-symbols?\n"));
830 after_parse_default ();
833 /* pep-dll.c directly accesses pep_data_import_dll,
834 so it must be defined outside of #ifdef DLL_SUPPORT.
835 Note - this variable is deliberately not initialised.
836 This allows it to be treated as a common varaible, and only
837 exist in one incarnation in a multiple target enabled linker. */
838 char * pep_data_import_dll;
841 static struct bfd_link_hash_entry *pep_undef_found_sym;
844 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
849 sl = strlen (string);
850 if (h->type == bfd_link_hash_defined
851 && strncmp (h->root.string, string, sl) == 0
852 && h->root.string[sl] == '@')
854 pep_undef_found_sym = h;
861 pep_fixup_stdcalls (void)
863 static int gave_warning_message = 0;
864 struct bfd_link_hash_entry *undef, *sym;
866 if (pep_dll_extra_pe_debug)
867 printf ("%s\n", __FUNCTION__);
869 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
870 if (undef->type == bfd_link_hash_undefined)
872 char* at = strchr (undef->root.string, '@');
873 int lead_at = (*undef->root.string == '@');
874 /* For now, don't try to fixup fastcall symbols. */
878 /* The symbol is a stdcall symbol, so let's look for a
879 cdecl symbol with the same name and resolve to that. */
880 char *cname = xstrdup (undef->root.string /* + lead_at */);
881 at = strchr (cname, '@');
883 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
885 if (sym && sym->type == bfd_link_hash_defined)
887 undef->type = bfd_link_hash_defined;
888 undef->u.def.value = sym->u.def.value;
889 undef->u.def.section = sym->u.def.section;
891 if (pep_enable_stdcall_fixup == -1)
893 einfo (_("Warning: resolving %s by linking to %s\n"),
894 undef->root.string, cname);
895 if (! gave_warning_message)
897 gave_warning_message = 1;
898 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
899 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
906 /* The symbol is a cdecl symbol, so we look for stdcall
907 symbols - which means scanning the whole symbol table. */
908 pep_undef_found_sym = 0;
909 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
910 (char *) undef->root.string);
911 sym = pep_undef_found_sym;
914 undef->type = bfd_link_hash_defined;
915 undef->u.def.value = sym->u.def.value;
916 undef->u.def.section = sym->u.def.section;
918 if (pep_enable_stdcall_fixup == -1)
920 einfo (_("Warning: resolving %s by linking to %s\n"),
921 undef->root.string, sym->root.string);
922 if (! gave_warning_message)
924 gave_warning_message = 1;
925 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
926 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
935 make_import_fixup (arelent *rel, asection *s)
937 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
942 if (pep_dll_extra_pe_debug)
943 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
944 (unsigned long) rel->address, (long) rel->addend);
946 memset (addend, 0, sizeof (addend));
947 switch ((rel->howto->bitsize))
950 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
951 if (suc && rel->howto->pc_relative)
952 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
954 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
957 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
958 if (suc && rel->howto->pc_relative)
959 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
961 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
964 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
965 if (suc && rel->howto->pc_relative)
966 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
968 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
971 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
973 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
977 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
978 s->owner, s, rel->address);
980 if (pep_dll_extra_pe_debug)
982 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
983 if (rel->howto->pc_relative) printf (" pcrel");
984 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
986 pep_create_import_fixup (rel, s, _addend);
992 pep_find_data_imports (void)
994 struct bfd_link_hash_entry *undef, *sym;
996 if (link_info.pei386_auto_import == 0)
999 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1001 if (undef->type == bfd_link_hash_undefined)
1003 /* C++ symbols are *long*. */
1006 if (pep_dll_extra_pe_debug)
1007 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1009 sprintf (buf, "__imp_%s", undef->root.string);
1011 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1013 if (sym && sym->type == bfd_link_hash_defined)
1015 bfd *b = sym->u.def.section->owner;
1019 if (link_info.pei386_auto_import == -1)
1021 static bfd_boolean warned = FALSE;
1023 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1024 undef->root.string, buf);
1026 /* PR linker/4844. */
1030 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1031 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1035 if (!bfd_generic_link_read_symbols (b))
1037 einfo (_("%B%F: could not read symbols: %E\n"), b);
1041 symbols = bfd_get_outsymbols (b);
1042 nsyms = bfd_get_symcount (b);
1044 for (i = 0; i < nsyms; i++)
1046 if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
1049 if (pep_dll_extra_pe_debug)
1050 printf ("->%s\n", symbols[i]->name);
1052 pep_data_import_dll = (char*) (symbols[i]->name +
1053 sizeof ("__head_") - 1);
1057 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1060 /* Let's differentiate it somehow from defined. */
1061 undef->type = bfd_link_hash_defweak;
1062 /* We replace original name with __imp_ prefixed, this
1063 1) may trash memory 2) leads to duplicate symbol generation.
1064 Still, IMHO it's better than having name poluted. */
1065 undef->root.string = sym->root.string;
1066 undef->u.def.value = sym->u.def.value;
1067 undef->u.def.section = sym->u.def.section;
1074 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1076 if (pep_dll_extra_pe_debug)
1077 printf ("+%s\n", h->string);
1081 #endif /* DLL_SUPPORT */
1084 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1086 int *found = (int *) obj;
1087 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1092 gld_${EMULATION_NAME}_after_open (void)
1095 if (pep_dll_extra_pe_debug)
1098 struct bfd_link_hash_entry *sym;
1100 printf ("%s()\n", __FUNCTION__);
1102 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1103 printf ("-%s\n", sym->root.string);
1104 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1106 for (a = link_info.input_bfds; a; a = a->link_next)
1107 printf ("*%s\n",a->filename);
1111 /* Pass the wacky PE command line options into the output bfd.
1112 FIXME: This should be done via a function, rather than by
1113 including an internal BFD header. */
1115 if (coff_data (link_info.output_bfd) == NULL
1116 || coff_data (link_info.output_bfd)->pe == 0)
1117 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1118 link_info.output_bfd);
1120 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1121 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1122 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1124 /* At this point we must decide whether to use long section names
1125 in the output or not. If the user hasn't explicitly specified
1126 on the command line, we leave it to the default for the format
1127 (object files yes, image files no), except if there is debug
1128 information present; GDB relies on the long section names to
1129 find it, so enable it in that case. */
1130 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1132 /* Iterate over all sections of all input BFDs, checking
1133 for any that begin 'debug_' and are long names. */
1134 LANG_FOR_EACH_INPUT_STATEMENT (is)
1136 int found_debug = 0;
1137 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1140 pep_use_coff_long_section_names = 1;
1146 pep_output_file_set_long_section_names (link_info.output_bfd);
1149 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1150 pep_fixup_stdcalls ();
1152 pep_process_import_defs (link_info.output_bfd, &link_info);
1154 pep_find_data_imports ();
1156 #ifndef TARGET_IS_i386pep
1157 if (link_info.shared)
1159 if (!link_info.relocatable)
1161 pep_dll_build_sections (link_info.output_bfd, &link_info);
1163 #ifndef TARGET_IS_i386pep
1165 pep_exe_build_sections (link_info.output_bfd, &link_info);
1167 #endif /* DLL_SUPPORT */
1170 /* This next chunk of code tries to detect the case where you have
1171 two import libraries for the same DLL (specifically,
1172 symbolically linking libm.a and libc.a in cygwin to
1173 libcygwin.a). In those cases, it's possible for function
1174 thunks from the second implib to be used but without the
1175 head/tail objects, causing an improper import table. We detect
1176 those cases and rename the "other" import libraries to match
1177 the one the head/tail come from, so that the linker will sort
1178 things nicely and produce a valid import table. */
1180 LANG_FOR_EACH_INPUT_STATEMENT (is)
1182 if (is->the_bfd->my_archive)
1184 int idata2 = 0, reloc_count=0, is_imp = 0;
1187 /* See if this is an import library thunk. */
1188 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1190 if (strcmp (sec->name, ".idata\$2") == 0)
1192 if (CONST_STRNEQ (sec->name, ".idata\$"))
1194 reloc_count += sec->reloc_count;
1197 if (is_imp && !idata2 && reloc_count)
1199 /* It is, look for the reference to head and see if it's
1200 from our own library. */
1201 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1209 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1213 if (!bfd_generic_link_read_symbols (is->the_bfd))
1215 einfo (_("%B%F: could not read symbols: %E\n"),
1219 symbols = bfd_get_outsymbols (is->the_bfd);
1221 relocs = xmalloc ((size_t) relsize);
1222 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1227 einfo ("%X%P: unable to process relocs: %E\n");
1231 for (i = 0; i < nrelocs; i++)
1233 struct bfd_symbol *s;
1234 struct bfd_link_hash_entry * blhe;
1235 char *other_bfd_filename;
1238 s = (relocs[i]->sym_ptr_ptr)[0];
1240 if (s->flags & BSF_LOCAL)
1243 /* Thunk section with reloc to another bfd. */
1244 blhe = bfd_link_hash_lookup (link_info.hash,
1246 FALSE, FALSE, TRUE);
1249 || blhe->type != bfd_link_hash_defined)
1253 = blhe->u.def.section->owner->my_archive
1254 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1255 : bfd_get_filename (blhe->u.def.section->owner);
1257 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1258 other_bfd_filename) == 0)
1261 /* Rename this implib to match the other one. */
1262 n = xmalloc (strlen (other_bfd_filename) + 1);
1263 strcpy (n, other_bfd_filename);
1264 is->the_bfd->my_archive->filename = n;
1268 /* Note - we do not free the symbols,
1269 they are now cached in the BFD. */
1279 lang_input_statement_type *is2;
1280 lang_input_statement_type *is3;
1282 /* Careful - this is a shell script. Watch those dollar signs! */
1283 /* Microsoft import libraries have every member named the same,
1284 and not in the right order for us to link them correctly. We
1285 must detect these and rename the members so that they'll link
1286 correctly. There are three types of objects: the head, the
1287 thunks, and the sentinel(s). The head is easy; it's the one
1288 with idata2. We assume that the sentinels won't have relocs,
1289 and the thunks will. It's easier than checking the symbol
1290 table for external references. */
1291 LANG_FOR_EACH_INPUT_STATEMENT (is)
1293 if (is->the_bfd->my_archive)
1296 bfd *arch = is->the_bfd->my_archive;
1298 if (cur_arch != arch)
1304 is3 && is3->the_bfd->my_archive == arch;
1305 is3 = (lang_input_statement_type *) is3->next)
1307 /* A MS dynamic import library can also contain static
1308 members, so look for the first element with a .dll
1309 extension, and use that for the remainder of the
1311 pnt = strrchr (is3->the_bfd->filename, '.');
1312 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1320 /* OK, found one. Now look to see if the remaining
1321 (dynamic import) members use the same name. */
1323 is2 && is2->the_bfd->my_archive == arch;
1324 is2 = (lang_input_statement_type *) is2->next)
1326 /* Skip static members, ie anything with a .obj
1328 pnt = strrchr (is2->the_bfd->filename, '.');
1329 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1332 if (strcmp (is3->the_bfd->filename,
1333 is2->the_bfd->filename))
1342 /* This fragment might have come from an .obj file in a Microsoft
1343 import, and not an actual import record. If this is the case,
1344 then leave the filename alone. */
1345 pnt = strrchr (is->the_bfd->filename, '.');
1347 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1349 int idata2 = 0, reloc_count=0;
1351 char *new_name, seq;
1353 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1355 if (strcmp (sec->name, ".idata\$2") == 0)
1357 reloc_count += sec->reloc_count;
1360 if (idata2) /* .idata2 is the TOC */
1362 else if (reloc_count > 0) /* thunks */
1367 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1368 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1369 is->the_bfd->filename = new_name;
1371 new_name = xmalloc (strlen (is->filename) + 3);
1372 sprintf (new_name, "%s.%c", is->filename, seq);
1373 is->filename = new_name;
1381 gld_${EMULATION_NAME}_before_allocation (void)
1383 before_allocation_default ();
1387 /* This is called when an input file isn't recognized as a BFD. We
1388 check here for .DEF files and pull them in automatically. */
1391 saw_option (char *option)
1395 for (i = 0; init[i].ptr; i++)
1396 if (strcmp (init[i].symbol, option) == 0)
1397 return init[i].inited;
1400 #endif /* DLL_SUPPORT */
1403 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1406 const char *ext = entry->filename + strlen (entry->filename) - 4;
1408 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1410 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1414 int i, buflen=0, len;
1417 for (i = 0; i < pep_def_file->num_exports; i++)
1419 len = strlen (pep_def_file->exports[i].internal_name);
1420 if (buflen < len + 2)
1424 buf = xmalloc (buflen);
1426 for (i = 0; i < pep_def_file->num_exports; i++)
1428 struct bfd_link_hash_entry *h;
1430 sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
1432 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1433 if (h == (struct bfd_link_hash_entry *) NULL)
1434 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1435 if (h->type == bfd_link_hash_new)
1437 h->type = bfd_link_hash_undefined;
1438 h->u.undef.abfd = NULL;
1439 bfd_link_add_undef (link_info.hash, h);
1444 /* def_file_print (stdout, pep_def_file); */
1445 if (pep_def_file->is_dll == 1)
1446 link_info.shared = 1;
1448 if (pep_def_file->base_address != (bfd_vma)(-1))
1451 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1452 = init[IMAGEBASEOFF].value
1453 = pep_def_file->base_address;
1454 init[IMAGEBASEOFF].inited = 1;
1455 if (image_base_statement)
1456 image_base_statement->exp = exp_assop ('=', "__image_base__",
1457 exp_intop (pep.ImageBase));
1460 if (pep_def_file->stack_reserve != -1
1461 && ! saw_option ("__size_of_stack_reserve__"))
1463 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1464 if (pep_def_file->stack_commit != -1)
1465 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1467 if (pep_def_file->heap_reserve != -1
1468 && ! saw_option ("__size_of_heap_reserve__"))
1470 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1471 if (pep_def_file->heap_commit != -1)
1472 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1482 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1485 #ifdef TARGET_IS_i386pep
1486 pep_dll_id_target ("pei-x86-64");
1488 if (pep_bfd_is_dll (entry->the_bfd))
1489 return pep_implied_import_dll (entry->filename);
1495 gld_${EMULATION_NAME}_finish (void)
1500 if (link_info.shared
1501 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1503 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1504 if (pep_implib_filename)
1505 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1508 if (pep_out_def_filename)
1509 pep_dll_generate_def_file (pep_out_def_filename);
1510 #endif /* DLL_SUPPORT */
1512 /* I don't know where .idata gets set as code, but it shouldn't be. */
1514 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1518 asec->flags &= ~SEC_CODE;
1519 asec->flags |= SEC_DATA;
1525 /* Place an orphan section.
1527 We use this to put sections in a reasonable place in the file, and
1528 to ensure that they are aligned as required.
1530 We handle grouped sections here as well. A section named .foo\$nn
1531 goes into the output section .foo. All grouped sections are sorted
1534 Grouped sections for the default sections are handled by the
1535 default linker script using wildcards, and are sorted by
1538 static lang_output_section_statement_type *
1539 gld_${EMULATION_NAME}_place_orphan (asection *s,
1540 const char *secname,
1543 const char *orig_secname = secname;
1544 char *dollar = NULL;
1545 lang_output_section_statement_type *os;
1546 lang_statement_list_type add_child;
1547 lang_statement_union_type **pl;
1549 /* Look through the script to see where to place this section. */
1550 if (!link_info.relocatable
1551 && (dollar = strchr (secname, '\$')) != NULL)
1553 size_t len = dollar - secname;
1554 char *newname = xmalloc (len + 1);
1555 memcpy (newname, secname, len);
1556 newname[len] = '\0';
1560 lang_list_init (&add_child);
1563 if (constraint == 0)
1564 for (os = lang_output_section_find (secname);
1566 os = next_matching_output_section_statement (os, 0))
1568 /* If we don't match an existing output section, tell
1569 lang_insert_orphan to create a new output section. */
1570 constraint = SPECIAL;
1572 if (os->bfd_section != NULL
1573 && (os->bfd_section->flags == 0
1574 || ((s->flags ^ os->bfd_section->flags)
1575 & (SEC_LOAD | SEC_ALLOC)) == 0))
1577 /* We already have an output section statement with this
1578 name, and its bfd section has compatible flags.
1579 If the section already exists but does not have any flags set,
1580 then it has been created by the linker, probably as a result of
1581 a --section-start command line switch. */
1582 lang_add_section (&add_child, s, os);
1589 static struct orphan_save hold[] =
1592 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1595 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1598 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1604 enum orphan_save_index
1611 static int orphan_init_done = 0;
1612 struct orphan_save *place;
1613 lang_output_section_statement_type *after;
1614 etree_type *address;
1616 if (!orphan_init_done)
1618 struct orphan_save *ho;
1619 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1620 if (ho->name != NULL)
1622 ho->os = lang_output_section_find (ho->name);
1623 if (ho->os != NULL && ho->os->flags == 0)
1624 ho->os->flags = ho->flags;
1626 orphan_init_done = 1;
1629 /* Try to put the new output section in a reasonable place based
1630 on the section name and section flags. */
1633 if ((s->flags & SEC_ALLOC) == 0)
1635 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1636 place = &hold[orphan_bss];
1637 else if ((s->flags & SEC_READONLY) == 0)
1638 place = &hold[orphan_data];
1639 else if ((s->flags & SEC_CODE) == 0)
1640 place = &hold[orphan_rodata];
1642 place = &hold[orphan_text];
1647 if (place->os == NULL)
1648 place->os = lang_output_section_find (place->name);
1651 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1653 /* *ABS* is always the first output section statement. */
1654 after = (&lang_output_section_statement.head
1655 ->output_section_statement);
1658 /* All sections in an executable must be aligned to a page boundary. */
1659 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1660 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1664 /* If the section name has a '\$', sort it with the other '\$'
1666 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1668 lang_input_section_type *ls;
1671 if ((*pl)->header.type != lang_input_section_enum)
1674 ls = &(*pl)->input_section;
1676 lname = bfd_get_section_name (ls->section->owner, ls->section);
1677 if (strchr (lname, '\$') != NULL
1678 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1682 if (add_child.head != NULL)
1684 *add_child.tail = *pl;
1685 *pl = add_child.head;
1692 gld_${EMULATION_NAME}_open_dynamic_archive
1693 (const char *arch ATTRIBUTE_UNUSED,
1694 search_dirs_type *search,
1695 lang_input_statement_type *entry)
1699 const char * format;
1700 bfd_boolean use_prefix;
1704 /* Preferred explicit import library for dll's. */
1705 { "lib%s.dll.a", FALSE },
1706 /* Alternate explicit import library for dll's. */
1707 { "%s.dll.a", FALSE },
1708 /* "libfoo.a" could be either an import lib or a static lib.
1709 For backwards compatibility, libfoo.a needs to precede
1710 libfoo.dll and foo.dll in the search. */
1711 { "lib%s.a", FALSE },
1712 /* The 'native' spelling of an import lib name is "foo.lib". */
1713 { "%s.lib", FALSE },
1715 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1716 { "%s%s.dll", TRUE },
1718 /* Try "libfoo.dll" (default preferred dll name). */
1719 { "lib%s.dll", FALSE },
1720 /* Finally try 'native' dll name "foo.dll". */
1721 { "%s.dll", FALSE },
1722 /* Note: If adding more formats to this table, make sure to check to
1723 see if their length is longer than libname_fmt[0].format, and if
1724 so, update the call to xmalloc() below. */
1727 static unsigned int format_max_len = 0;
1728 const char * filename;
1734 if (! entry->is_archive)
1737 filename = entry->filename;
1739 if (format_max_len == 0)
1740 /* We need to allow space in the memory that we are going to allocate
1741 for the characters in the format string. Since the format array is
1742 static we only need to calculate this information once. In theory
1743 this value could also be computed statically, but this introduces
1744 the possibility for a discrepancy and hence a possible memory
1745 corruption. The lengths we compute here will be too long because
1746 they will include any formating characters (%s) in the strings, but
1747 this will not matter. */
1748 for (i = 0; libname_fmt[i].format; i++)
1749 if (format_max_len < strlen (libname_fmt[i].format))
1750 format_max_len = strlen (libname_fmt[i].format);
1752 full_string = xmalloc (strlen (search->name)
1756 + (pep_dll_search_prefix
1757 ? strlen (pep_dll_search_prefix) : 0)
1759 /* Allow for the terminating NUL and for the path
1760 separator character that is inserted between
1761 search->name and the start of the format string. */
1764 sprintf (full_string, "%s/", search->name);
1765 base_string = full_string + strlen (full_string);
1767 for (i = 0; libname_fmt[i].format; i++)
1770 if (libname_fmt[i].use_prefix)
1772 if (!pep_dll_search_prefix)
1774 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1778 sprintf (base_string, libname_fmt[i].format, filename);
1780 if (ldfile_try_open_bfd (full_string, entry))
1784 if (!libname_fmt[i].format)
1790 entry->filename = full_string;
1796 gld_${EMULATION_NAME}_find_potential_libraries
1797 (char *name, lang_input_statement_type *entry)
1799 return ldfile_open_file_search (name, entry, "", ".lib");
1803 gld_${EMULATION_NAME}_get_script (int *isfile)
1805 # Scripts compiled in.
1806 # sed commands to quote an ld script as a C string.
1807 sc="-f stringify.sed"
1813 if (link_info.relocatable && config.build_constructors)
1816 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1817 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1818 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1819 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1820 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1821 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1822 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1823 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1824 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1825 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1827 echo ' ; else return' >> e${EMULATION_NAME}.c
1828 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1829 echo '; }' >> e${EMULATION_NAME}.c
1834 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1836 gld_${EMULATION_NAME}_before_parse,
1839 gld_${EMULATION_NAME}_after_parse,
1840 gld_${EMULATION_NAME}_after_open,
1841 after_allocation_default,
1842 set_output_arch_default,
1843 ldemul_default_target,
1844 gld_${EMULATION_NAME}_before_allocation,
1845 gld_${EMULATION_NAME}_get_script,
1846 "${EMULATION_NAME}",
1848 gld_${EMULATION_NAME}_finish,
1849 NULL, /* Create output section statements. */
1850 gld_${EMULATION_NAME}_open_dynamic_archive,
1851 gld_${EMULATION_NAME}_place_orphan,
1852 gld_${EMULATION_NAME}_set_symbols,
1853 NULL, /* parse_args */
1854 gld${EMULATION_NAME}_add_options,
1855 gld${EMULATION_NAME}_handle_option,
1856 gld_${EMULATION_NAME}_unrecognized_file,
1857 gld_${EMULATION_NAME}_list_options,
1858 gld_${EMULATION_NAME}_recognized_file,
1859 gld_${EMULATION_NAME}_find_potential_libraries,
1860 NULL /* new_vers_pattern. */