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 /* PR ld/6744: Warn the user if they have used an ELF-only
818 option hoping it will work on PE+. */
819 if (link_info.export_dynamic)
820 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
821 "targets, did you mean --export-all-symbols?\n"));
823 after_parse_default ();
826 /* pep-dll.c directly accesses pep_data_import_dll,
827 so it must be defined outside of #ifdef DLL_SUPPORT.
828 Note - this variable is deliberately not initialised.
829 This allows it to be treated as a common varaible, and only
830 exist in one incarnation in a multiple target enabled linker. */
831 char * pep_data_import_dll;
834 static struct bfd_link_hash_entry *pep_undef_found_sym;
837 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
842 sl = strlen (string);
843 if (h->type == bfd_link_hash_defined
844 && strncmp (h->root.string, string, sl) == 0
845 && h->root.string[sl] == '@')
847 pep_undef_found_sym = h;
854 pep_fixup_stdcalls (void)
856 static int gave_warning_message = 0;
857 struct bfd_link_hash_entry *undef, *sym;
859 if (pep_dll_extra_pe_debug)
860 printf ("%s\n", __FUNCTION__);
862 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
863 if (undef->type == bfd_link_hash_undefined)
865 char* at = strchr (undef->root.string, '@');
866 int lead_at = (*undef->root.string == '@');
867 /* For now, don't try to fixup fastcall symbols. */
871 /* The symbol is a stdcall symbol, so let's look for a
872 cdecl symbol with the same name and resolve to that. */
873 char *cname = xstrdup (undef->root.string /* + lead_at */);
874 at = strchr (cname, '@');
876 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
878 if (sym && sym->type == bfd_link_hash_defined)
880 undef->type = bfd_link_hash_defined;
881 undef->u.def.value = sym->u.def.value;
882 undef->u.def.section = sym->u.def.section;
884 if (pep_enable_stdcall_fixup == -1)
886 einfo (_("Warning: resolving %s by linking to %s\n"),
887 undef->root.string, cname);
888 if (! gave_warning_message)
890 gave_warning_message = 1;
891 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
892 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
899 /* The symbol is a cdecl symbol, so we look for stdcall
900 symbols - which means scanning the whole symbol table. */
901 pep_undef_found_sym = 0;
902 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
903 (char *) undef->root.string);
904 sym = pep_undef_found_sym;
907 undef->type = bfd_link_hash_defined;
908 undef->u.def.value = sym->u.def.value;
909 undef->u.def.section = sym->u.def.section;
911 if (pep_enable_stdcall_fixup == -1)
913 einfo (_("Warning: resolving %s by linking to %s\n"),
914 undef->root.string, sym->root.string);
915 if (! gave_warning_message)
917 gave_warning_message = 1;
918 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
919 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
928 make_import_fixup (arelent *rel, asection *s)
930 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
935 if (pep_dll_extra_pe_debug)
936 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
937 (unsigned long) rel->address, (long) rel->addend);
939 memset (addend, 0, sizeof (addend));
940 switch ((rel->howto->bitsize))
943 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
944 if (suc && rel->howto->pc_relative)
945 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
947 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
950 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
951 if (suc && rel->howto->pc_relative)
952 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
954 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
957 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
958 if (suc && rel->howto->pc_relative)
959 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
961 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
964 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
966 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
970 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
971 s->owner, s, rel->address);
973 if (pep_dll_extra_pe_debug)
975 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
976 if (rel->howto->pc_relative) printf (" pcrel");
977 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
979 pep_create_import_fixup (rel, s, _addend);
985 pep_find_data_imports (void)
987 struct bfd_link_hash_entry *undef, *sym;
989 if (link_info.pei386_auto_import == 0)
992 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
994 if (undef->type == bfd_link_hash_undefined)
996 /* C++ symbols are *long*. */
999 if (pep_dll_extra_pe_debug)
1000 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1002 sprintf (buf, "__imp_%s", undef->root.string);
1004 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1006 if (sym && sym->type == bfd_link_hash_defined)
1008 bfd *b = sym->u.def.section->owner;
1012 if (link_info.pei386_auto_import == -1)
1014 static bfd_boolean warned = FALSE;
1016 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1017 undef->root.string, buf);
1019 /* PR linker/4844. */
1023 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1024 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1028 if (!bfd_generic_link_read_symbols (b))
1030 einfo (_("%B%F: could not read symbols: %E\n"), b);
1034 symbols = bfd_get_outsymbols (b);
1035 nsyms = bfd_get_symcount (b);
1037 for (i = 0; i < nsyms; i++)
1039 if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
1042 if (pep_dll_extra_pe_debug)
1043 printf ("->%s\n", symbols[i]->name);
1045 pep_data_import_dll = (char*) (symbols[i]->name +
1046 sizeof ("__head_") - 1);
1050 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1053 /* Let's differentiate it somehow from defined. */
1054 undef->type = bfd_link_hash_defweak;
1055 /* We replace original name with __imp_ prefixed, this
1056 1) may trash memory 2) leads to duplicate symbol generation.
1057 Still, IMHO it's better than having name poluted. */
1058 undef->root.string = sym->root.string;
1059 undef->u.def.value = sym->u.def.value;
1060 undef->u.def.section = sym->u.def.section;
1067 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1069 if (pep_dll_extra_pe_debug)
1070 printf ("+%s\n", h->string);
1074 #endif /* DLL_SUPPORT */
1077 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1079 int *found = (int *) obj;
1080 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1085 gld_${EMULATION_NAME}_after_open (void)
1088 if (pep_dll_extra_pe_debug)
1091 struct bfd_link_hash_entry *sym;
1093 printf ("%s()\n", __FUNCTION__);
1095 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1096 printf ("-%s\n", sym->root.string);
1097 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1099 for (a = link_info.input_bfds; a; a = a->link_next)
1100 printf ("*%s\n",a->filename);
1104 /* Pass the wacky PE command line options into the output bfd.
1105 FIXME: This should be done via a function, rather than by
1106 including an internal BFD header. */
1108 if (coff_data (link_info.output_bfd) == NULL
1109 || coff_data (link_info.output_bfd)->pe == 0)
1110 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1111 link_info.output_bfd);
1113 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1114 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1115 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1117 /* At this point we must decide whether to use long section names
1118 in the output or not. If the user hasn't explicitly specified
1119 on the command line, we leave it to the default for the format
1120 (object files yes, image files no), except if there is debug
1121 information present; GDB relies on the long section names to
1122 find it, so enable it in that case. */
1123 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1125 /* Iterate over all sections of all input BFDs, checking
1126 for any that begin 'debug_' and are long names. */
1127 LANG_FOR_EACH_INPUT_STATEMENT (is)
1129 int found_debug = 0;
1130 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1133 pep_use_coff_long_section_names = 1;
1139 pep_output_file_set_long_section_names (link_info.output_bfd);
1142 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1143 pep_fixup_stdcalls ();
1145 pep_process_import_defs (link_info.output_bfd, &link_info);
1147 pep_find_data_imports ();
1149 #ifndef TARGET_IS_i386pep
1150 if (link_info.shared)
1152 if (!link_info.relocatable)
1154 pep_dll_build_sections (link_info.output_bfd, &link_info);
1156 #ifndef TARGET_IS_i386pep
1158 pep_exe_build_sections (link_info.output_bfd, &link_info);
1160 #endif /* DLL_SUPPORT */
1163 /* This next chunk of code tries to detect the case where you have
1164 two import libraries for the same DLL (specifically,
1165 symbolically linking libm.a and libc.a in cygwin to
1166 libcygwin.a). In those cases, it's possible for function
1167 thunks from the second implib to be used but without the
1168 head/tail objects, causing an improper import table. We detect
1169 those cases and rename the "other" import libraries to match
1170 the one the head/tail come from, so that the linker will sort
1171 things nicely and produce a valid import table. */
1173 LANG_FOR_EACH_INPUT_STATEMENT (is)
1175 if (is->the_bfd->my_archive)
1177 int idata2 = 0, reloc_count=0, is_imp = 0;
1180 /* See if this is an import library thunk. */
1181 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1183 if (strcmp (sec->name, ".idata\$2") == 0)
1185 if (CONST_STRNEQ (sec->name, ".idata\$"))
1187 reloc_count += sec->reloc_count;
1190 if (is_imp && !idata2 && reloc_count)
1192 /* It is, look for the reference to head and see if it's
1193 from our own library. */
1194 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1202 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1206 if (!bfd_generic_link_read_symbols (is->the_bfd))
1208 einfo (_("%B%F: could not read symbols: %E\n"),
1212 symbols = bfd_get_outsymbols (is->the_bfd);
1214 relocs = xmalloc ((size_t) relsize);
1215 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1220 einfo ("%X%P: unable to process relocs: %E\n");
1224 for (i = 0; i < nrelocs; i++)
1226 struct bfd_symbol *s;
1227 struct bfd_link_hash_entry * blhe;
1228 char *other_bfd_filename;
1231 s = (relocs[i]->sym_ptr_ptr)[0];
1233 if (s->flags & BSF_LOCAL)
1236 /* Thunk section with reloc to another bfd. */
1237 blhe = bfd_link_hash_lookup (link_info.hash,
1239 FALSE, FALSE, TRUE);
1242 || blhe->type != bfd_link_hash_defined)
1246 = blhe->u.def.section->owner->my_archive
1247 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1248 : bfd_get_filename (blhe->u.def.section->owner);
1250 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1251 other_bfd_filename) == 0)
1254 /* Rename this implib to match the other one. */
1255 n = xmalloc (strlen (other_bfd_filename) + 1);
1256 strcpy (n, other_bfd_filename);
1257 is->the_bfd->my_archive->filename = n;
1261 /* Note - we do not free the symbols,
1262 they are now cached in the BFD. */
1272 lang_input_statement_type *is2;
1273 lang_input_statement_type *is3;
1275 /* Careful - this is a shell script. Watch those dollar signs! */
1276 /* Microsoft import libraries have every member named the same,
1277 and not in the right order for us to link them correctly. We
1278 must detect these and rename the members so that they'll link
1279 correctly. There are three types of objects: the head, the
1280 thunks, and the sentinel(s). The head is easy; it's the one
1281 with idata2. We assume that the sentinels won't have relocs,
1282 and the thunks will. It's easier than checking the symbol
1283 table for external references. */
1284 LANG_FOR_EACH_INPUT_STATEMENT (is)
1286 if (is->the_bfd->my_archive)
1289 bfd *arch = is->the_bfd->my_archive;
1291 if (cur_arch != arch)
1297 is3 && is3->the_bfd->my_archive == arch;
1298 is3 = (lang_input_statement_type *) is3->next)
1300 /* A MS dynamic import library can also contain static
1301 members, so look for the first element with a .dll
1302 extension, and use that for the remainder of the
1304 pnt = strrchr (is3->the_bfd->filename, '.');
1305 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1313 /* OK, found one. Now look to see if the remaining
1314 (dynamic import) members use the same name. */
1316 is2 && is2->the_bfd->my_archive == arch;
1317 is2 = (lang_input_statement_type *) is2->next)
1319 /* Skip static members, ie anything with a .obj
1321 pnt = strrchr (is2->the_bfd->filename, '.');
1322 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1325 if (strcmp (is3->the_bfd->filename,
1326 is2->the_bfd->filename))
1335 /* This fragment might have come from an .obj file in a Microsoft
1336 import, and not an actual import record. If this is the case,
1337 then leave the filename alone. */
1338 pnt = strrchr (is->the_bfd->filename, '.');
1340 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1342 int idata2 = 0, reloc_count=0;
1344 char *new_name, seq;
1346 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1348 if (strcmp (sec->name, ".idata\$2") == 0)
1350 reloc_count += sec->reloc_count;
1353 if (idata2) /* .idata2 is the TOC */
1355 else if (reloc_count > 0) /* thunks */
1360 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1361 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1362 is->the_bfd->filename = new_name;
1364 new_name = xmalloc (strlen (is->filename) + 3);
1365 sprintf (new_name, "%s.%c", is->filename, seq);
1366 is->filename = new_name;
1374 gld_${EMULATION_NAME}_before_allocation (void)
1376 before_allocation_default ();
1380 /* This is called when an input file isn't recognized as a BFD. We
1381 check here for .DEF files and pull them in automatically. */
1384 saw_option (char *option)
1388 for (i = 0; init[i].ptr; i++)
1389 if (strcmp (init[i].symbol, option) == 0)
1390 return init[i].inited;
1393 #endif /* DLL_SUPPORT */
1396 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1399 const char *ext = entry->filename + strlen (entry->filename) - 4;
1401 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1403 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1407 int i, buflen=0, len;
1410 for (i = 0; i < pep_def_file->num_exports; i++)
1412 len = strlen (pep_def_file->exports[i].internal_name);
1413 if (buflen < len + 2)
1417 buf = xmalloc (buflen);
1419 for (i = 0; i < pep_def_file->num_exports; i++)
1421 struct bfd_link_hash_entry *h;
1423 sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
1425 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1426 if (h == (struct bfd_link_hash_entry *) NULL)
1427 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1428 if (h->type == bfd_link_hash_new)
1430 h->type = bfd_link_hash_undefined;
1431 h->u.undef.abfd = NULL;
1432 bfd_link_add_undef (link_info.hash, h);
1437 /* def_file_print (stdout, pep_def_file); */
1438 if (pep_def_file->is_dll == 1)
1439 link_info.shared = 1;
1441 if (pep_def_file->base_address != (bfd_vma)(-1))
1444 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1445 = init[IMAGEBASEOFF].value
1446 = pep_def_file->base_address;
1447 init[IMAGEBASEOFF].inited = 1;
1448 if (image_base_statement)
1449 image_base_statement->exp = exp_assop ('=', "__image_base__",
1450 exp_intop (pep.ImageBase));
1453 if (pep_def_file->stack_reserve != -1
1454 && ! saw_option ("__size_of_stack_reserve__"))
1456 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1457 if (pep_def_file->stack_commit != -1)
1458 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1460 if (pep_def_file->heap_reserve != -1
1461 && ! saw_option ("__size_of_heap_reserve__"))
1463 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1464 if (pep_def_file->heap_commit != -1)
1465 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1475 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1478 #ifdef TARGET_IS_i386pep
1479 pep_dll_id_target ("pei-x86-64");
1481 if (pep_bfd_is_dll (entry->the_bfd))
1482 return pep_implied_import_dll (entry->filename);
1488 gld_${EMULATION_NAME}_finish (void)
1493 if (link_info.shared
1494 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1496 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1497 if (pep_implib_filename)
1498 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1501 if (pep_out_def_filename)
1502 pep_dll_generate_def_file (pep_out_def_filename);
1503 #endif /* DLL_SUPPORT */
1505 /* I don't know where .idata gets set as code, but it shouldn't be. */
1507 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1511 asec->flags &= ~SEC_CODE;
1512 asec->flags |= SEC_DATA;
1518 /* Place an orphan section.
1520 We use this to put sections in a reasonable place in the file, and
1521 to ensure that they are aligned as required.
1523 We handle grouped sections here as well. A section named .foo\$nn
1524 goes into the output section .foo. All grouped sections are sorted
1527 Grouped sections for the default sections are handled by the
1528 default linker script using wildcards, and are sorted by
1531 static lang_output_section_statement_type *
1532 gld_${EMULATION_NAME}_place_orphan (asection *s,
1533 const char *secname,
1536 const char *orig_secname = secname;
1537 char *dollar = NULL;
1538 lang_output_section_statement_type *os;
1539 lang_statement_list_type add_child;
1540 lang_statement_union_type **pl;
1542 /* Look through the script to see where to place this section. */
1543 if (!link_info.relocatable
1544 && (dollar = strchr (secname, '\$')) != NULL)
1546 size_t len = dollar - secname;
1547 char *newname = xmalloc (len + 1);
1548 memcpy (newname, secname, len);
1549 newname[len] = '\0';
1553 lang_list_init (&add_child);
1556 if (constraint == 0)
1557 for (os = lang_output_section_find (secname);
1559 os = next_matching_output_section_statement (os, 0))
1561 /* If we don't match an existing output section, tell
1562 lang_insert_orphan to create a new output section. */
1563 constraint = SPECIAL;
1565 if (os->bfd_section != NULL
1566 && (os->bfd_section->flags == 0
1567 || ((s->flags ^ os->bfd_section->flags)
1568 & (SEC_LOAD | SEC_ALLOC)) == 0))
1570 /* We already have an output section statement with this
1571 name, and its bfd section has compatible flags.
1572 If the section already exists but does not have any flags set,
1573 then it has been created by the linker, probably as a result of
1574 a --section-start command line switch. */
1575 lang_add_section (&add_child, s, os);
1582 static struct orphan_save hold[] =
1585 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1588 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1591 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1597 enum orphan_save_index
1604 static int orphan_init_done = 0;
1605 struct orphan_save *place;
1606 lang_output_section_statement_type *after;
1607 etree_type *address;
1609 if (!orphan_init_done)
1611 struct orphan_save *ho;
1612 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1613 if (ho->name != NULL)
1615 ho->os = lang_output_section_find (ho->name);
1616 if (ho->os != NULL && ho->os->flags == 0)
1617 ho->os->flags = ho->flags;
1619 orphan_init_done = 1;
1622 /* Try to put the new output section in a reasonable place based
1623 on the section name and section flags. */
1626 if ((s->flags & SEC_ALLOC) == 0)
1628 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1629 place = &hold[orphan_bss];
1630 else if ((s->flags & SEC_READONLY) == 0)
1631 place = &hold[orphan_data];
1632 else if ((s->flags & SEC_CODE) == 0)
1633 place = &hold[orphan_rodata];
1635 place = &hold[orphan_text];
1640 if (place->os == NULL)
1641 place->os = lang_output_section_find (place->name);
1644 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1646 /* *ABS* is always the first output section statement. */
1647 after = (&lang_output_section_statement.head
1648 ->output_section_statement);
1651 /* All sections in an executable must be aligned to a page boundary. */
1652 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1653 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1657 /* If the section name has a '\$', sort it with the other '\$'
1659 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1661 lang_input_section_type *ls;
1664 if ((*pl)->header.type != lang_input_section_enum)
1667 ls = &(*pl)->input_section;
1669 lname = bfd_get_section_name (ls->section->owner, ls->section);
1670 if (strchr (lname, '\$') != NULL
1671 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1675 if (add_child.head != NULL)
1677 *add_child.tail = *pl;
1678 *pl = add_child.head;
1685 gld_${EMULATION_NAME}_open_dynamic_archive
1686 (const char *arch ATTRIBUTE_UNUSED,
1687 search_dirs_type *search,
1688 lang_input_statement_type *entry)
1692 const char * format;
1693 bfd_boolean use_prefix;
1697 /* Preferred explicit import library for dll's. */
1698 { "lib%s.dll.a", FALSE },
1699 /* Alternate explicit import library for dll's. */
1700 { "%s.dll.a", FALSE },
1701 /* "libfoo.a" could be either an import lib or a static lib.
1702 For backwards compatibility, libfoo.a needs to precede
1703 libfoo.dll and foo.dll in the search. */
1704 { "lib%s.a", FALSE },
1705 /* The 'native' spelling of an import lib name is "foo.lib". */
1706 { "%s.lib", FALSE },
1708 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1709 { "%s%s.dll", TRUE },
1711 /* Try "libfoo.dll" (default preferred dll name). */
1712 { "lib%s.dll", FALSE },
1713 /* Finally try 'native' dll name "foo.dll". */
1714 { "%s.dll", FALSE },
1715 /* Note: If adding more formats to this table, make sure to check to
1716 see if their length is longer than libname_fmt[0].format, and if
1717 so, update the call to xmalloc() below. */
1720 static unsigned int format_max_len = 0;
1721 const char * filename;
1727 if (! entry->is_archive)
1730 filename = entry->filename;
1732 if (format_max_len == 0)
1733 /* We need to allow space in the memory that we are going to allocate
1734 for the characters in the format string. Since the format array is
1735 static we only need to calculate this information once. In theory
1736 this value could also be computed statically, but this introduces
1737 the possibility for a discrepancy and hence a possible memory
1738 corruption. The lengths we compute here will be too long because
1739 they will include any formating characters (%s) in the strings, but
1740 this will not matter. */
1741 for (i = 0; libname_fmt[i].format; i++)
1742 if (format_max_len < strlen (libname_fmt[i].format))
1743 format_max_len = strlen (libname_fmt[i].format);
1745 full_string = xmalloc (strlen (search->name)
1749 + (pep_dll_search_prefix
1750 ? strlen (pep_dll_search_prefix) : 0)
1752 /* Allow for the terminating NUL and for the path
1753 separator character that is inserted between
1754 search->name and the start of the format string. */
1757 sprintf (full_string, "%s/", search->name);
1758 base_string = full_string + strlen (full_string);
1760 for (i = 0; libname_fmt[i].format; i++)
1763 if (libname_fmt[i].use_prefix)
1765 if (!pep_dll_search_prefix)
1767 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1771 sprintf (base_string, libname_fmt[i].format, filename);
1773 if (ldfile_try_open_bfd (full_string, entry))
1777 if (!libname_fmt[i].format)
1783 entry->filename = full_string;
1789 gld_${EMULATION_NAME}_find_potential_libraries
1790 (char *name, lang_input_statement_type *entry)
1792 return ldfile_open_file_search (name, entry, "", ".lib");
1796 gld_${EMULATION_NAME}_get_script (int *isfile)
1798 # Scripts compiled in.
1799 # sed commands to quote an ld script as a C string.
1800 sc="-f stringify.sed"
1806 if (link_info.relocatable && config.build_constructors)
1809 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1810 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1811 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1812 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1813 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1814 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1815 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1816 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1817 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1818 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1820 echo ' ; else return' >> e${EMULATION_NAME}.c
1821 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1822 echo '; }' >> e${EMULATION_NAME}.c
1827 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1829 gld_${EMULATION_NAME}_before_parse,
1832 gld_${EMULATION_NAME}_after_parse,
1833 gld_${EMULATION_NAME}_after_open,
1834 after_allocation_default,
1835 set_output_arch_default,
1836 ldemul_default_target,
1837 gld_${EMULATION_NAME}_before_allocation,
1838 gld_${EMULATION_NAME}_get_script,
1839 "${EMULATION_NAME}",
1841 gld_${EMULATION_NAME}_finish,
1842 NULL, /* Create output section statements. */
1843 gld_${EMULATION_NAME}_open_dynamic_archive,
1844 gld_${EMULATION_NAME}_place_orphan,
1845 gld_${EMULATION_NAME}_set_symbols,
1846 NULL, /* parse_args */
1847 gld${EMULATION_NAME}_add_options,
1848 gld${EMULATION_NAME}_handle_option,
1849 gld_${EMULATION_NAME}_unrecognized_file,
1850 gld_${EMULATION_NAME}_list_options,
1851 gld_${EMULATION_NAME}_recognized_file,
1852 gld_${EMULATION_NAME}_find_potential_libraries,
1853 NULL /* new_vers_pattern. */