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}, {NULL, no_argument, NULL, 0}
266 *longopts = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
267 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
270 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
271 parameters which may be input from the command line. */
282 #define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0}
284 static definfo init[] =
286 /* imagebase must be first */
287 #define IMAGEBASEOFF 0
288 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
290 {&dll, sizeof(dll), 0, "__dll__", 0},
291 #define MSIMAGEBASEOFF 2
292 D(ImageBase,"___ImageBase", NT_EXE_IMAGE_BASE),
293 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
294 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
295 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
296 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
297 D(MajorImageVersion,"__major_image_version__", 0),
298 D(MinorImageVersion,"__minor_image_version__", 0),
299 D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
300 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
301 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
302 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
303 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
304 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
305 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
306 D(LoaderFlags,"__loader_flags__", 0x0),
307 D(DllCharacteristics, "__dll_characteristics__", 0x0),
308 { NULL, 0, 0, NULL, 0 }
313 gld_${EMULATION_NAME}_list_options (FILE *file)
315 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
316 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
317 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
318 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
319 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
320 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
321 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
322 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
323 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
324 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
325 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
326 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
327 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
328 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
329 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
331 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
332 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
333 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
334 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
335 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
336 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
337 fprintf (file, _(" Exclude objects, archive members from auto\n"));
338 fprintf (file, _(" export, place into import library instead.\n"));
339 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
340 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
341 fprintf (file, _(" --out-implib <file> Generate import library\n"));
342 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
343 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
344 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
345 create __imp_<SYMBOL> as well.\n"));
346 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
347 unless user specifies one\n"));
348 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
349 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
350 an importlib, use <string><basename>.dll\n\
351 in preference to lib<basename>.dll \n"));
352 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
353 __imp_sym for DATA references\n"));
354 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
355 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
356 adding pseudo-relocations resolved at\n\
358 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
359 auto-imported DATA.\n"));
360 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
361 or linking to DLLs (esp. auto-import)\n"));
362 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
363 executable image files\n"));
364 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
365 in object files\n"));
366 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
367 address space layout randomization (ASLR)\n"));
368 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
369 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
370 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
371 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
372 be called in this image\n"));
373 fprintf (file, _(" --no-bind Do not bind this image\n"));
374 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
375 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
381 set_pep_name (char *name, bfd_vma val)
385 /* Find the name and set it. */
386 for (i = 0; init[i].ptr; i++)
388 if (strcmp (name, init[i].symbol) == 0)
392 if (strcmp (name,"__image_base__") == 0)
393 set_pep_name ("___ImageBase", val);
402 set_pep_subsystem (void)
406 const char *initial_symbol_char;
411 unsigned long temp_subsystem;
420 { "native", 1, "NtProcessStartup" },
421 { "windows", 2, "WinMainCRTStartup" },
422 { "console", 3, "mainCRTStartup" },
423 { "posix", 7, "__PosixProcessStartup"},
424 { "wince", 9, "_WinMainCRTStartup" },
425 { "xbox", 14, "mainCRTStartup" },
428 /* Entry point name for arbitrary subsystem numbers. */
429 static const char default_entry[] = "mainCRTStartup";
431 /* Check for the presence of a version number. */
432 sver = strchr (optarg, ':');
434 len = strlen (optarg);
438 set_pep_name ("__major_subsystem_version__",
439 strtoul (sver + 1, &end, 0));
441 set_pep_name ("__minor_subsystem_version__",
442 strtoul (end + 1, &end, 0));
444 einfo (_("%P: warning: bad version number in -subsystem option\n"));
447 /* Check for numeric subsystem. */
448 temp_subsystem = strtoul (optarg, & end, 0);
449 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
451 /* Search list for a numeric match to use its entry point. */
452 for (i = 0; v[i].name; i++)
453 if (v[i].value == (int) temp_subsystem)
456 /* If no match, use the default. */
457 if (v[i].name != NULL)
460 entry = default_entry;
462 /* Use this subsystem. */
463 subsystem = (int) temp_subsystem;
467 /* Search for subsystem by name. */
468 for (i = 0; v[i].name; i++)
469 if (strncmp (optarg, v[i].name, len) == 0
470 && v[i].name[len] == '\0')
473 if (v[i].name == NULL)
475 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
480 subsystem = v[i].value;
483 set_pep_name ("__subsystem__", subsystem);
485 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
486 if (*initial_symbol_char != '\0')
490 /* lang_default_entry expects its argument to be permanently
491 allocated, so we don't free this string. */
492 alc_entry = xmalloc (strlen (initial_symbol_char)
495 strcpy (alc_entry, initial_symbol_char);
496 strcat (alc_entry, entry);
500 lang_default_entry (entry);
507 set_pep_value (char *name)
511 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
514 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
521 set_pep_stack_heap (char *resname, char *comname)
523 set_pep_value (resname);
528 set_pep_value (comname);
531 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
536 gld${EMULATION_NAME}_handle_option (int optc)
543 case OPTION_BASE_FILE:
544 link_info.base_file = fopen (optarg, FOPEN_WB);
545 if (link_info.base_file == NULL)
547 /* xgettext:c-format */
548 fprintf (stderr, _("%s: Can't open base file %s\n"),
549 program_name, optarg);
556 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
559 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
561 case OPTION_SUBSYSTEM:
562 set_pep_subsystem ();
564 case OPTION_MAJOR_OS_VERSION:
565 set_pep_value ("__major_os_version__");
567 case OPTION_MINOR_OS_VERSION:
568 set_pep_value ("__minor_os_version__");
570 case OPTION_MAJOR_SUBSYSTEM_VERSION:
571 set_pep_value ("__major_subsystem_version__");
573 case OPTION_MINOR_SUBSYSTEM_VERSION:
574 set_pep_value ("__minor_subsystem_version__");
576 case OPTION_MAJOR_IMAGE_VERSION:
577 set_pep_value ("__major_image_version__");
579 case OPTION_MINOR_IMAGE_VERSION:
580 set_pep_value ("__minor_image_version__");
582 case OPTION_FILE_ALIGNMENT:
583 set_pep_value ("__file_alignment__");
585 case OPTION_SECTION_ALIGNMENT:
586 set_pep_value ("__section_alignment__");
589 set_pep_name ("__dll__", 1);
591 case OPTION_IMAGE_BASE:
592 set_pep_value ("__image_base__");
594 case OPTION_SUPPORT_OLD_CODE:
595 support_old_code = 1;
597 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
598 pep_use_nul_prefixed_import_tables = TRUE;
602 pep_out_def_filename = xstrdup (optarg);
604 case OPTION_EXPORT_ALL:
605 pep_dll_export_everything = 1;
607 case OPTION_EXCLUDE_SYMBOLS:
608 pep_dll_add_excludes (optarg, EXCLUDESYMS);
610 case OPTION_EXCLUDE_LIBS:
611 pep_dll_add_excludes (optarg, EXCLUDELIBS);
613 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
614 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
616 case OPTION_KILL_ATS:
617 pep_dll_kill_ats = 1;
619 case OPTION_STDCALL_ALIASES:
620 pep_dll_stdcall_aliases = 1;
622 case OPTION_ENABLE_STDCALL_FIXUP:
623 pep_enable_stdcall_fixup = 1;
625 case OPTION_DISABLE_STDCALL_FIXUP:
626 pep_enable_stdcall_fixup = 0;
628 case OPTION_IMPLIB_FILENAME:
629 pep_implib_filename = xstrdup (optarg);
631 case OPTION_WARN_DUPLICATE_EXPORTS:
632 pep_dll_warn_dup_exports = 1;
634 case OPTION_IMP_COMPAT:
635 pep_dll_compat_implib = 1;
637 case OPTION_ENABLE_AUTO_IMAGE_BASE:
638 pep_enable_auto_image_base = 1;
640 case OPTION_DISABLE_AUTO_IMAGE_BASE:
641 pep_enable_auto_image_base = 0;
643 case OPTION_DLL_SEARCH_PREFIX:
644 pep_dll_search_prefix = xstrdup (optarg);
646 case OPTION_NO_DEFAULT_EXCLUDES:
647 pep_dll_do_default_excludes = 0;
649 case OPTION_DLL_ENABLE_AUTO_IMPORT:
650 link_info.pei386_auto_import = 1;
652 case OPTION_DLL_DISABLE_AUTO_IMPORT:
653 link_info.pei386_auto_import = 0;
655 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
656 link_info.pei386_runtime_pseudo_reloc = 2;
658 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
659 link_info.pei386_runtime_pseudo_reloc = 0;
661 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
662 link_info.pei386_runtime_pseudo_reloc = 1;
664 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
665 link_info.pei386_runtime_pseudo_reloc = 2;
667 case OPTION_ENABLE_EXTRA_PE_DEBUG:
668 pep_dll_extra_pe_debug = 1;
671 case OPTION_ENABLE_LONG_SECTION_NAMES:
672 pep_use_coff_long_section_names = 1;
674 case OPTION_DISABLE_LONG_SECTION_NAMES:
675 pep_use_coff_long_section_names = 0;
677 /* Get DLLCharacteristics bits */
678 case OPTION_DYNAMIC_BASE:
679 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
681 case OPTION_FORCE_INTEGRITY:
682 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
684 case OPTION_NX_COMPAT:
685 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
687 case OPTION_NO_ISOLATION:
688 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
691 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
694 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
696 case OPTION_WDM_DRIVER:
697 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
699 case OPTION_TERMINAL_SERVER_AWARE:
700 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
704 /* Set DLLCharacteristics bits */
705 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
713 strhash (const char *str)
715 const unsigned char *s;
722 s = (const unsigned char *) str;
723 while ((c = *s++) != '\0')
725 hash += c + (c << 17);
729 hash += len + (len << 17);
735 /* Use the output file to create a image base for relocatable DLLs. */
738 compute_dll_image_base (const char *ofile)
740 bfd_vma hash = (bfd_vma) strhash (ofile);
741 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
745 /* Assign values to the special symbols before the linker script is
749 gld_${EMULATION_NAME}_set_symbols (void)
751 /* Run through and invent symbols for all the
752 names and insert the defaults. */
755 if (!init[IMAGEBASEOFF].inited)
757 if (link_info.relocatable)
758 init[IMAGEBASEOFF].value = 0;
759 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
761 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base) ?
762 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
764 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
767 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
768 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
771 /* Don't do any symbol assignments if this is a relocatable link. */
772 if (link_info.relocatable)
775 /* Glue the assignments into the abs section. */
776 push_stat_ptr (&abs_output_section->children);
778 for (j = 0; init[j].ptr; j++)
780 bfd_vma val = init[j].value;
781 lang_assignment_statement_type *rv;
782 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
784 if (init[j].size == sizeof (short))
785 *(short *) init[j].ptr = (short) val;
786 else if (init[j].size == sizeof (int))
787 *(int *) init[j].ptr = (int) val;
788 else if (init[j].size == sizeof (long))
789 *(long *) init[j].ptr = (long) val;
790 /* This might be a long long or other special type. */
791 else if (init[j].size == sizeof (bfd_vma))
792 *(bfd_vma *) init[j].ptr = val;
794 if (j == IMAGEBASEOFF)
795 image_base_statement = rv;
797 /* Restore the pointer. */
800 if (pep.FileAlignment > pep.SectionAlignment)
802 einfo (_("%P: warning, file alignment > section alignment.\n"));
806 /* This is called after the linker script and the command line options
810 gld_${EMULATION_NAME}_after_parse (void)
812 /* The Windows libraries are designed for the linker to treat the
813 entry point as an undefined symbol. Otherwise, the .obj that
814 defines mainCRTStartup is brought in because it is the first
815 encountered in libc.lib and it has other symbols in it which will
816 be pulled in by the link process. To avoid this, we act as
817 though the user specified -u with the entry point symbol.
819 This function is called after the linker script and command line
820 options have been read, so at this point we know the right entry
821 point. This function is called before the input files are
822 opened, so registering the symbol as undefined will make a
825 if (! link_info.relocatable && entry_symbol.name != NULL)
826 ldlang_add_undef (entry_symbol.name);
828 /* PR ld/6744: Warn the user if they have used an ELF-only
829 option hoping it will work on PE+. */
830 if (link_info.export_dynamic)
831 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
832 "targets, did you mean --export-all-symbols?\n"));
835 /* pep-dll.c directly accesses pep_data_import_dll,
836 so it must be defined outside of #ifdef DLL_SUPPORT.
837 Note - this variable is deliberately not initialised.
838 This allows it to be treated as a common varaible, and only
839 exist in one incarnation in a multiple target enabled linker. */
840 char * pep_data_import_dll;
843 static struct bfd_link_hash_entry *pep_undef_found_sym;
846 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
851 sl = strlen (string);
852 if (h->type == bfd_link_hash_defined
853 && strncmp (h->root.string, string, sl) == 0
854 && h->root.string[sl] == '@')
856 pep_undef_found_sym = h;
863 pep_fixup_stdcalls (void)
865 static int gave_warning_message = 0;
866 struct bfd_link_hash_entry *undef, *sym;
868 if (pep_dll_extra_pe_debug)
869 printf ("%s\n", __FUNCTION__);
871 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
872 if (undef->type == bfd_link_hash_undefined)
874 char* at = strchr (undef->root.string, '@');
875 int lead_at = (*undef->root.string == '@');
876 /* For now, don't try to fixup fastcall symbols. */
880 /* The symbol is a stdcall symbol, so let's look for a
881 cdecl symbol with the same name and resolve to that. */
882 char *cname = xstrdup (undef->root.string /* + lead_at */);
883 at = strchr (cname, '@');
885 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
887 if (sym && sym->type == bfd_link_hash_defined)
889 undef->type = bfd_link_hash_defined;
890 undef->u.def.value = sym->u.def.value;
891 undef->u.def.section = sym->u.def.section;
893 if (pep_enable_stdcall_fixup == -1)
895 einfo (_("Warning: resolving %s by linking to %s\n"),
896 undef->root.string, cname);
897 if (! gave_warning_message)
899 gave_warning_message = 1;
900 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
901 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
908 /* The symbol is a cdecl symbol, so we look for stdcall
909 symbols - which means scanning the whole symbol table. */
910 pep_undef_found_sym = 0;
911 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
912 (char *) undef->root.string);
913 sym = pep_undef_found_sym;
916 undef->type = bfd_link_hash_defined;
917 undef->u.def.value = sym->u.def.value;
918 undef->u.def.section = sym->u.def.section;
920 if (pep_enable_stdcall_fixup == -1)
922 einfo (_("Warning: resolving %s by linking to %s\n"),
923 undef->root.string, sym->root.string);
924 if (! gave_warning_message)
926 gave_warning_message = 1;
927 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
928 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
937 make_import_fixup (arelent *rel, asection *s)
939 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
944 if (pep_dll_extra_pe_debug)
945 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
946 (unsigned long) rel->address, (long) rel->addend);
948 memset (addend, 0, sizeof (addend));
949 switch ((rel->howto->bitsize))
952 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
953 if (suc && rel->howto->pc_relative)
954 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
956 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
959 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
960 if (suc && rel->howto->pc_relative)
961 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
963 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
966 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
967 if (suc && rel->howto->pc_relative)
968 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
970 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
973 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
975 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
979 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
980 s->owner, s, rel->address);
982 if (pep_dll_extra_pe_debug)
984 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
985 if (rel->howto->pc_relative) printf (" pcrel");
986 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
988 pep_create_import_fixup (rel, s, _addend);
994 pep_find_data_imports (void)
996 struct bfd_link_hash_entry *undef, *sym;
998 if (link_info.pei386_auto_import == 0)
1001 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1003 if (undef->type == bfd_link_hash_undefined)
1005 /* C++ symbols are *long*. */
1008 if (pep_dll_extra_pe_debug)
1009 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1011 sprintf (buf, "__imp_%s", undef->root.string);
1013 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1015 if (sym && sym->type == bfd_link_hash_defined)
1017 bfd *b = sym->u.def.section->owner;
1021 if (link_info.pei386_auto_import == -1)
1023 static bfd_boolean warned = FALSE;
1025 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1026 undef->root.string, buf);
1028 /* PR linker/4844. */
1032 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1033 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1037 if (!bfd_generic_link_read_symbols (b))
1039 einfo (_("%B%F: could not read symbols: %E\n"), b);
1043 symbols = bfd_get_outsymbols (b);
1044 nsyms = bfd_get_symcount (b);
1046 for (i = 0; i < nsyms; i++)
1048 if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
1051 if (pep_dll_extra_pe_debug)
1052 printf ("->%s\n", symbols[i]->name);
1054 pep_data_import_dll = (char*) (symbols[i]->name +
1055 sizeof ("__head_") - 1);
1059 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1062 /* Let's differentiate it somehow from defined. */
1063 undef->type = bfd_link_hash_defweak;
1064 /* We replace original name with __imp_ prefixed, this
1065 1) may trash memory 2) leads to duplicate symbol generation.
1066 Still, IMHO it's better than having name poluted. */
1067 undef->root.string = sym->root.string;
1068 undef->u.def.value = sym->u.def.value;
1069 undef->u.def.section = sym->u.def.section;
1076 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1078 if (pep_dll_extra_pe_debug)
1079 printf ("+%s\n", h->string);
1083 #endif /* DLL_SUPPORT */
1086 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1088 int *found = (int *) obj;
1089 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1094 gld_${EMULATION_NAME}_after_open (void)
1097 if (pep_dll_extra_pe_debug)
1100 struct bfd_link_hash_entry *sym;
1102 printf ("%s()\n", __FUNCTION__);
1104 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1105 printf ("-%s\n", sym->root.string);
1106 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1108 for (a = link_info.input_bfds; a; a = a->link_next)
1109 printf ("*%s\n",a->filename);
1113 /* Pass the wacky PE command line options into the output bfd.
1114 FIXME: This should be done via a function, rather than by
1115 including an internal BFD header. */
1117 if (coff_data (link_info.output_bfd) == NULL
1118 || coff_data (link_info.output_bfd)->pe == 0)
1119 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1120 link_info.output_bfd);
1122 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1123 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1124 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1126 /* At this point we must decide whether to use long section names
1127 in the output or not. If the user hasn't explicitly specified
1128 on the command line, we leave it to the default for the format
1129 (object files yes, image files no), except if there is debug
1130 information present; GDB relies on the long section names to
1131 find it, so enable it in that case. */
1132 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1134 /* Iterate over all sections of all input BFDs, checking
1135 for any that begin 'debug_' and are long names. */
1136 LANG_FOR_EACH_INPUT_STATEMENT (is)
1138 int found_debug = 0;
1139 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1142 pep_use_coff_long_section_names = 1;
1148 pep_output_file_set_long_section_names (link_info.output_bfd);
1151 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1152 pep_fixup_stdcalls ();
1154 pep_process_import_defs (link_info.output_bfd, &link_info);
1156 pep_find_data_imports ();
1158 #ifndef TARGET_IS_i386pep
1159 if (link_info.shared)
1161 if (!link_info.relocatable)
1163 pep_dll_build_sections (link_info.output_bfd, &link_info);
1165 #ifndef TARGET_IS_i386pep
1167 pep_exe_build_sections (link_info.output_bfd, &link_info);
1169 #endif /* DLL_SUPPORT */
1172 /* This next chunk of code tries to detect the case where you have
1173 two import libraries for the same DLL (specifically,
1174 symbolically linking libm.a and libc.a in cygwin to
1175 libcygwin.a). In those cases, it's possible for function
1176 thunks from the second implib to be used but without the
1177 head/tail objects, causing an improper import table. We detect
1178 those cases and rename the "other" import libraries to match
1179 the one the head/tail come from, so that the linker will sort
1180 things nicely and produce a valid import table. */
1182 LANG_FOR_EACH_INPUT_STATEMENT (is)
1184 if (is->the_bfd->my_archive)
1186 int idata2 = 0, reloc_count=0, is_imp = 0;
1189 /* See if this is an import library thunk. */
1190 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1192 if (strcmp (sec->name, ".idata\$2") == 0)
1194 if (CONST_STRNEQ (sec->name, ".idata\$"))
1196 reloc_count += sec->reloc_count;
1199 if (is_imp && !idata2 && reloc_count)
1201 /* It is, look for the reference to head and see if it's
1202 from our own library. */
1203 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1211 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1215 if (!bfd_generic_link_read_symbols (is->the_bfd))
1217 einfo (_("%B%F: could not read symbols: %E\n"),
1221 symbols = bfd_get_outsymbols (is->the_bfd);
1223 relocs = xmalloc ((size_t) relsize);
1224 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1229 einfo ("%X%P: unable to process relocs: %E\n");
1233 for (i = 0; i < nrelocs; i++)
1235 struct bfd_symbol *s;
1236 struct bfd_link_hash_entry * blhe;
1237 char *other_bfd_filename;
1240 s = (relocs[i]->sym_ptr_ptr)[0];
1242 if (s->flags & BSF_LOCAL)
1245 /* Thunk section with reloc to another bfd. */
1246 blhe = bfd_link_hash_lookup (link_info.hash,
1248 FALSE, FALSE, TRUE);
1251 || blhe->type != bfd_link_hash_defined)
1255 = blhe->u.def.section->owner->my_archive
1256 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1257 : bfd_get_filename (blhe->u.def.section->owner);
1259 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1260 other_bfd_filename) == 0)
1263 /* Rename this implib to match the other one. */
1264 n = xmalloc (strlen (other_bfd_filename) + 1);
1265 strcpy (n, other_bfd_filename);
1266 is->the_bfd->my_archive->filename = n;
1270 /* Note - we do not free the symbols,
1271 they are now cached in the BFD. */
1281 lang_input_statement_type *is2;
1282 lang_input_statement_type *is3;
1284 /* Careful - this is a shell script. Watch those dollar signs! */
1285 /* Microsoft import libraries have every member named the same,
1286 and not in the right order for us to link them correctly. We
1287 must detect these and rename the members so that they'll link
1288 correctly. There are three types of objects: the head, the
1289 thunks, and the sentinel(s). The head is easy; it's the one
1290 with idata2. We assume that the sentinels won't have relocs,
1291 and the thunks will. It's easier than checking the symbol
1292 table for external references. */
1293 LANG_FOR_EACH_INPUT_STATEMENT (is)
1295 if (is->the_bfd->my_archive)
1298 bfd *arch = is->the_bfd->my_archive;
1300 if (cur_arch != arch)
1306 is3 && is3->the_bfd->my_archive == arch;
1307 is3 = (lang_input_statement_type *) is3->next)
1309 /* A MS dynamic import library can also contain static
1310 members, so look for the first element with a .dll
1311 extension, and use that for the remainder of the
1313 pnt = strrchr (is3->the_bfd->filename, '.');
1314 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1322 /* OK, found one. Now look to see if the remaining
1323 (dynamic import) members use the same name. */
1325 is2 && is2->the_bfd->my_archive == arch;
1326 is2 = (lang_input_statement_type *) is2->next)
1328 /* Skip static members, ie anything with a .obj
1330 pnt = strrchr (is2->the_bfd->filename, '.');
1331 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1334 if (strcmp (is3->the_bfd->filename,
1335 is2->the_bfd->filename))
1344 /* This fragment might have come from an .obj file in a Microsoft
1345 import, and not an actual import record. If this is the case,
1346 then leave the filename alone. */
1347 pnt = strrchr (is->the_bfd->filename, '.');
1349 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1351 int idata2 = 0, reloc_count=0;
1353 char *new_name, seq;
1355 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1357 if (strcmp (sec->name, ".idata\$2") == 0)
1359 reloc_count += sec->reloc_count;
1362 if (idata2) /* .idata2 is the TOC */
1364 else if (reloc_count > 0) /* thunks */
1369 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1370 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1371 is->the_bfd->filename = new_name;
1373 new_name = xmalloc (strlen (is->filename) + 3);
1374 sprintf (new_name, "%s.%c", is->filename, seq);
1375 is->filename = new_name;
1383 gld_${EMULATION_NAME}_before_allocation (void)
1385 before_allocation_default ();
1389 /* This is called when an input file isn't recognized as a BFD. We
1390 check here for .DEF files and pull them in automatically. */
1393 saw_option (char *option)
1397 for (i = 0; init[i].ptr; i++)
1398 if (strcmp (init[i].symbol, option) == 0)
1399 return init[i].inited;
1402 #endif /* DLL_SUPPORT */
1405 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1408 const char *ext = entry->filename + strlen (entry->filename) - 4;
1410 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1412 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1416 int i, buflen=0, len;
1419 for (i = 0; i < pep_def_file->num_exports; i++)
1421 len = strlen (pep_def_file->exports[i].internal_name);
1422 if (buflen < len + 2)
1426 buf = xmalloc (buflen);
1428 for (i = 0; i < pep_def_file->num_exports; i++)
1430 struct bfd_link_hash_entry *h;
1432 sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
1434 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1435 if (h == (struct bfd_link_hash_entry *) NULL)
1436 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1437 if (h->type == bfd_link_hash_new)
1439 h->type = bfd_link_hash_undefined;
1440 h->u.undef.abfd = NULL;
1441 bfd_link_add_undef (link_info.hash, h);
1446 /* def_file_print (stdout, pep_def_file); */
1447 if (pep_def_file->is_dll == 1)
1448 link_info.shared = 1;
1450 if (pep_def_file->base_address != (bfd_vma)(-1))
1453 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1454 = init[IMAGEBASEOFF].value
1455 = pep_def_file->base_address;
1456 init[IMAGEBASEOFF].inited = 1;
1457 if (image_base_statement)
1458 image_base_statement->exp = exp_assop ('=', "__image_base__",
1459 exp_intop (pep.ImageBase));
1462 if (pep_def_file->stack_reserve != -1
1463 && ! saw_option ("__size_of_stack_reserve__"))
1465 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1466 if (pep_def_file->stack_commit != -1)
1467 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1469 if (pep_def_file->heap_reserve != -1
1470 && ! saw_option ("__size_of_heap_reserve__"))
1472 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1473 if (pep_def_file->heap_commit != -1)
1474 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1484 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1487 #ifdef TARGET_IS_i386pep
1488 pep_dll_id_target ("pei-x86-64");
1490 if (pep_bfd_is_dll (entry->the_bfd))
1491 return pep_implied_import_dll (entry->filename);
1497 gld_${EMULATION_NAME}_finish (void)
1502 if (link_info.shared
1503 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1505 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1506 if (pep_implib_filename)
1507 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1510 if (pep_out_def_filename)
1511 pep_dll_generate_def_file (pep_out_def_filename);
1512 #endif /* DLL_SUPPORT */
1514 /* I don't know where .idata gets set as code, but it shouldn't be. */
1516 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1520 asec->flags &= ~SEC_CODE;
1521 asec->flags |= SEC_DATA;
1527 /* Place an orphan section.
1529 We use this to put sections in a reasonable place in the file, and
1530 to ensure that they are aligned as required.
1532 We handle grouped sections here as well. A section named .foo\$nn
1533 goes into the output section .foo. All grouped sections are sorted
1536 Grouped sections for the default sections are handled by the
1537 default linker script using wildcards, and are sorted by
1540 static lang_output_section_statement_type *
1541 gld_${EMULATION_NAME}_place_orphan (asection *s,
1542 const char *secname,
1545 const char *orig_secname = secname;
1546 char *dollar = NULL;
1547 lang_output_section_statement_type *os;
1548 lang_statement_list_type add_child;
1550 /* Look through the script to see where to place this section. */
1551 if (!link_info.relocatable
1552 && (dollar = strchr (secname, '\$')) != NULL)
1554 size_t len = dollar - secname;
1555 char *newname = xmalloc (len + 1);
1556 memcpy (newname, secname, len);
1557 newname[len] = '\0';
1561 lang_list_init (&add_child);
1564 && (os = lang_output_section_find (secname)) != NULL
1565 && 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);
1579 static struct orphan_save hold[] =
1582 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1585 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1588 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1594 enum orphan_save_index
1601 static int orphan_init_done = 0;
1602 struct orphan_save *place;
1603 lang_output_section_statement_type *after;
1604 etree_type *address;
1606 if (!orphan_init_done)
1608 struct orphan_save *ho;
1609 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1610 if (ho->name != NULL)
1612 ho->os = lang_output_section_find (ho->name);
1613 if (ho->os != NULL && ho->os->flags == 0)
1614 ho->os->flags = ho->flags;
1616 orphan_init_done = 1;
1619 /* Try to put the new output section in a reasonable place based
1620 on the section name and section flags. */
1623 if ((s->flags & SEC_ALLOC) == 0)
1625 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1626 place = &hold[orphan_bss];
1627 else if ((s->flags & SEC_READONLY) == 0)
1628 place = &hold[orphan_data];
1629 else if ((s->flags & SEC_CODE) == 0)
1630 place = &hold[orphan_rodata];
1632 place = &hold[orphan_text];
1637 if (place->os == NULL)
1638 place->os = lang_output_section_find (place->name);
1641 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1643 /* *ABS* is always the first output section statement. */
1644 after = (&lang_output_section_statement.head
1645 ->output_section_statement);
1648 /* All sections in an executable must be aligned to a page boundary. */
1649 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1650 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1655 lang_statement_union_type **pl = &os->children.head;
1659 bfd_boolean found_dollar;
1661 /* The section name has a '\$'. Sort it with the other '\$'
1663 found_dollar = FALSE;
1664 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1666 lang_input_section_type *ls;
1669 if ((*pl)->header.type != lang_input_section_enum)
1672 ls = &(*pl)->input_section;
1674 lname = bfd_get_section_name (ls->section->owner, ls->section);
1675 if (strchr (lname, '\$') == NULL)
1682 found_dollar = TRUE;
1683 if (strcmp (orig_secname, lname) < 0)
1689 if (add_child.head != NULL)
1691 add_child.head->header.next = *pl;
1692 *pl = add_child.head;
1700 gld_${EMULATION_NAME}_open_dynamic_archive
1701 (const char *arch ATTRIBUTE_UNUSED,
1702 search_dirs_type *search,
1703 lang_input_statement_type *entry)
1707 const char * format;
1708 bfd_boolean use_prefix;
1712 /* Preferred explicit import library for dll's. */
1713 { "lib%s.dll.a", FALSE },
1714 /* Alternate explicit import library for dll's. */
1715 { "%s.dll.a", FALSE },
1716 /* "libfoo.a" could be either an import lib or a static lib.
1717 For backwards compatibility, libfoo.a needs to precede
1718 libfoo.dll and foo.dll in the search. */
1719 { "lib%s.a", FALSE },
1720 /* The 'native' spelling of an import lib name is "foo.lib". */
1721 { "%s.lib", FALSE },
1723 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1724 { "%s%s.dll", TRUE },
1726 /* Try "libfoo.dll" (default preferred dll name). */
1727 { "lib%s.dll", FALSE },
1728 /* Finally try 'native' dll name "foo.dll". */
1729 { "%s.dll", FALSE },
1730 /* Note: If adding more formats to this table, make sure to check to
1731 see if their length is longer than libname_fmt[0].format, and if
1732 so, update the call to xmalloc() below. */
1735 static unsigned int format_max_len = 0;
1736 const char * filename;
1742 if (! entry->is_archive)
1745 filename = entry->filename;
1747 if (format_max_len == 0)
1748 /* We need to allow space in the memory that we are going to allocate
1749 for the characters in the format string. Since the format array is
1750 static we only need to calculate this information once. In theory
1751 this value could also be computed statically, but this introduces
1752 the possibility for a discrepancy and hence a possible memory
1753 corruption. The lengths we compute here will be too long because
1754 they will include any formating characters (%s) in the strings, but
1755 this will not matter. */
1756 for (i = 0; libname_fmt[i].format; i++)
1757 if (format_max_len < strlen (libname_fmt[i].format))
1758 format_max_len = strlen (libname_fmt[i].format);
1760 full_string = xmalloc (strlen (search->name)
1764 + (pep_dll_search_prefix
1765 ? strlen (pep_dll_search_prefix) : 0)
1767 /* Allow for the terminating NUL and for the path
1768 separator character that is inserted between
1769 search->name and the start of the format string. */
1772 sprintf (full_string, "%s/", search->name);
1773 base_string = full_string + strlen (full_string);
1775 for (i = 0; libname_fmt[i].format; i++)
1778 if (libname_fmt[i].use_prefix)
1780 if (!pep_dll_search_prefix)
1782 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1786 sprintf (base_string, libname_fmt[i].format, filename);
1788 if (ldfile_try_open_bfd (full_string, entry))
1792 if (!libname_fmt[i].format)
1798 entry->filename = full_string;
1804 gld_${EMULATION_NAME}_find_potential_libraries
1805 (char *name, lang_input_statement_type *entry)
1807 return ldfile_open_file_search (name, entry, "", ".lib");
1811 gld_${EMULATION_NAME}_get_script (int *isfile)
1813 # Scripts compiled in.
1814 # sed commands to quote an ld script as a C string.
1815 sc="-f stringify.sed"
1821 if (link_info.relocatable && config.build_constructors)
1824 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1825 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1826 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1827 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1828 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1829 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1830 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1831 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1832 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1833 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1835 echo ' ; else return' >> e${EMULATION_NAME}.c
1836 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1837 echo '; }' >> e${EMULATION_NAME}.c
1842 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1844 gld_${EMULATION_NAME}_before_parse,
1847 gld_${EMULATION_NAME}_after_parse,
1848 gld_${EMULATION_NAME}_after_open,
1849 after_allocation_default,
1850 set_output_arch_default,
1851 ldemul_default_target,
1852 gld_${EMULATION_NAME}_before_allocation,
1853 gld_${EMULATION_NAME}_get_script,
1854 "${EMULATION_NAME}",
1856 gld_${EMULATION_NAME}_finish,
1857 NULL, /* Create output section statements. */
1858 gld_${EMULATION_NAME}_open_dynamic_archive,
1859 gld_${EMULATION_NAME}_place_orphan,
1860 gld_${EMULATION_NAME}_set_symbols,
1861 NULL, /* parse_args */
1862 gld${EMULATION_NAME}_add_options,
1863 gld${EMULATION_NAME}_handle_option,
1864 gld_${EMULATION_NAME}_unrecognized_file,
1865 gld_${EMULATION_NAME}_list_options,
1866 gld_${EMULATION_NAME}_recognized_file,
1867 gld_${EMULATION_NAME}_find_potential_libraries,
1868 NULL /* new_vers_pattern. */