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 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 ${OVERRIDE_SECTION_ALIGNMENT}
85 #ifdef TARGET_IS_i386pep
89 #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
90 #define PE_DEF_SUBSYSTEM 3
92 #undef NT_EXE_IMAGE_BASE
93 #define NT_EXE_IMAGE_BASE 0x00010000
94 #undef PE_DEF_SECTION_ALIGNMENT
95 #define PE_DEF_SUBSYSTEM 2
96 #undef PE_DEF_FILE_ALIGNMENT
97 #define PE_DEF_FILE_ALIGNMENT 0x00000200
98 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
102 static struct internal_extra_pe_aouthdr pep;
104 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
105 static int support_old_code = 0;
106 static lang_assignment_statement_type *image_base_statement = 0;
109 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
110 static char * pep_out_def_filename = NULL;
111 static char * pep_implib_filename = NULL;
112 static int pep_enable_auto_image_base = 0;
113 static char * pep_dll_search_prefix = NULL;
116 extern const char *output_filename;
119 gld_${EMULATION_NAME}_before_parse (void)
121 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
122 output_filename = "${EXECUTABLE_NAME:-a.exe}";
124 config.dynamic_link = TRUE;
125 config.has_shared = 1;
126 link_info.pei386_auto_import = -1;
127 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
129 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
130 lang_default_entry ("_WinMainCRTStartup");
132 lang_default_entry ("${ENTRY}");
137 /* PE format extra command line options. */
139 /* Used for setting flags in the PE header. */
142 OPTION_BASE_FILE = 300 + 1,
144 OPTION_FILE_ALIGNMENT,
146 OPTION_MAJOR_IMAGE_VERSION,
147 OPTION_MAJOR_OS_VERSION,
148 OPTION_MAJOR_SUBSYSTEM_VERSION,
149 OPTION_MINOR_IMAGE_VERSION,
150 OPTION_MINOR_OS_VERSION,
151 OPTION_MINOR_SUBSYSTEM_VERSION,
152 OPTION_SECTION_ALIGNMENT,
156 OPTION_SUPPORT_OLD_CODE,
159 OPTION_EXCLUDE_SYMBOLS,
161 OPTION_STDCALL_ALIASES,
162 OPTION_ENABLE_STDCALL_FIXUP,
163 OPTION_DISABLE_STDCALL_FIXUP,
164 OPTION_IMPLIB_FILENAME,
165 OPTION_WARN_DUPLICATE_EXPORTS,
167 OPTION_ENABLE_AUTO_IMAGE_BASE,
168 OPTION_DISABLE_AUTO_IMAGE_BASE,
169 OPTION_DLL_SEARCH_PREFIX,
170 OPTION_NO_DEFAULT_EXCLUDES,
171 OPTION_DLL_ENABLE_AUTO_IMPORT,
172 OPTION_DLL_DISABLE_AUTO_IMPORT,
173 OPTION_ENABLE_EXTRA_PE_DEBUG,
175 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
176 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
177 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
178 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
179 OPTION_EXCLUDE_MODULES_FOR_IMPLIB
183 gld${EMULATION_NAME}_add_options
184 (int ns ATTRIBUTE_UNUSED,
185 char **shortopts ATTRIBUTE_UNUSED,
187 struct option **longopts,
188 int nrl ATTRIBUTE_UNUSED,
189 struct option **really_longopts ATTRIBUTE_UNUSED)
191 static const struct option xtra_long[] =
194 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
195 {"dll", no_argument, NULL, OPTION_DLL},
196 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
197 {"heap", required_argument, NULL, OPTION_HEAP},
198 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
199 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
200 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
201 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
202 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
203 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
204 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
205 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
206 {"stack", required_argument, NULL, OPTION_STACK},
207 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
208 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
210 /* getopt allows abbreviations, so we do this to stop it
211 from treating -o as an abbreviation for this option. */
212 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
213 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
214 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
215 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
216 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
217 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
218 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
219 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
220 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
221 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
222 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
223 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
224 /* getopt() allows abbreviations, so we do this to stop it from
225 treating -c as an abbreviation for these --compat-implib. */
226 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
227 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
228 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
229 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
230 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
231 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
232 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
233 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
234 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
235 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
236 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
237 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
238 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
240 {NULL, no_argument, NULL, 0}
243 *longopts = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
244 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
247 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
248 parameters which may be input from the command line. */
259 #define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0}
261 static definfo init[] =
263 /* imagebase must be first */
264 #define IMAGEBASEOFF 0
265 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
267 {&dll, sizeof(dll), 0, "__dll__", 0},
268 #define MSIMAGEBASEOFF 2
269 D(ImageBase,"___ImageBase", NT_EXE_IMAGE_BASE),
270 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
271 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
272 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
273 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
274 D(MajorImageVersion,"__major_image_version__", 0),
275 D(MinorImageVersion,"__minor_image_version__", 0),
276 D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
277 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
278 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
279 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
280 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
281 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
282 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
283 D(LoaderFlags,"__loader_flags__", 0x0),
284 { NULL, 0, 0, NULL, 0 }
289 gld_${EMULATION_NAME}_list_options (FILE *file)
291 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
292 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
293 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
294 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
295 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
296 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
297 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
298 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
299 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
300 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
301 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
302 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
303 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
304 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
305 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
307 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
308 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
309 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
310 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
311 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
312 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
313 fprintf (file, _(" Exclude objects, archive members from auto\n"));
314 fprintf (file, _(" export, place into import library instead.\n"));
315 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
316 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
317 fprintf (file, _(" --out-implib <file> Generate import library\n"));
318 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
319 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
320 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
321 create __imp_<SYMBOL> as well.\n"));
322 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
323 unless user specifies one\n"));
324 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
325 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
326 an importlib, use <string><basename>.dll\n\
327 in preference to lib<basename>.dll \n"));
328 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
329 __imp_sym for DATA references\n"));
330 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
331 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
332 adding pseudo-relocations resolved at\n\
334 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
335 auto-imported DATA.\n"));
336 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
337 or linking to DLLs (esp. auto-import)\n"));
343 set_pep_name (char *name, bfd_vma val)
347 /* Find the name and set it. */
348 for (i = 0; init[i].ptr; i++)
350 if (strcmp (name, init[i].symbol) == 0)
354 if (strcmp (name,"__image_base__") == 0)
355 set_pep_name ("___ImageBase", val);
364 set_pep_subsystem (void)
368 const char *initial_symbol_char;
373 unsigned long temp_subsystem;
382 { "native", 1, "NtProcessStartup" },
383 { "windows", 2, "WinMainCRTStartup" },
384 { "console", 3, "mainCRTStartup" },
385 { "posix", 7, "__PosixProcessStartup"},
386 { "wince", 9, "_WinMainCRTStartup" },
387 { "xbox", 14, "mainCRTStartup" },
390 /* Entry point name for arbitrary subsystem numbers. */
391 static const char default_entry[] = "mainCRTStartup";
393 /* Check for the presence of a version number. */
394 sver = strchr (optarg, ':');
396 len = strlen (optarg);
400 set_pep_name ("__major_subsystem_version__",
401 strtoul (sver + 1, &end, 0));
403 set_pep_name ("__minor_subsystem_version__",
404 strtoul (end + 1, &end, 0));
406 einfo (_("%P: warning: bad version number in -subsystem option\n"));
409 /* Check for numeric subsystem. */
410 temp_subsystem = strtoul (optarg, & end, 0);
411 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
413 /* Search list for a numeric match to use its entry point. */
414 for (i = 0; v[i].name; i++)
415 if (v[i].value == (int) temp_subsystem)
418 /* If no match, use the default. */
419 if (v[i].name != NULL)
422 entry = default_entry;
424 /* Use this subsystem. */
425 subsystem = (int) temp_subsystem;
429 /* Search for subsystem by name. */
430 for (i = 0; v[i].name; i++)
431 if (strncmp (optarg, v[i].name, len) == 0
432 && v[i].name[len] == '\0')
435 if (v[i].name == NULL)
437 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
442 subsystem = v[i].value;
445 set_pep_name ("__subsystem__", subsystem);
447 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
448 if (*initial_symbol_char != '\0')
452 /* lang_default_entry expects its argument to be permanently
453 allocated, so we don't free this string. */
454 alc_entry = xmalloc (strlen (initial_symbol_char)
457 strcpy (alc_entry, initial_symbol_char);
458 strcat (alc_entry, entry);
462 lang_default_entry (entry);
469 set_pep_value (char *name)
473 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
476 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
483 set_pep_stack_heap (char *resname, char *comname)
485 set_pep_value (resname);
490 set_pep_value (comname);
493 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
498 gld${EMULATION_NAME}_handle_option (int optc)
505 case OPTION_BASE_FILE:
506 link_info.base_file = fopen (optarg, FOPEN_WB);
507 if (link_info.base_file == NULL)
509 /* xgettext:c-format */
510 fprintf (stderr, _("%s: Can't open base file %s\n"),
511 program_name, optarg);
518 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
521 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
523 case OPTION_SUBSYSTEM:
524 set_pep_subsystem ();
526 case OPTION_MAJOR_OS_VERSION:
527 set_pep_value ("__major_os_version__");
529 case OPTION_MINOR_OS_VERSION:
530 set_pep_value ("__minor_os_version__");
532 case OPTION_MAJOR_SUBSYSTEM_VERSION:
533 set_pep_value ("__major_subsystem_version__");
535 case OPTION_MINOR_SUBSYSTEM_VERSION:
536 set_pep_value ("__minor_subsystem_version__");
538 case OPTION_MAJOR_IMAGE_VERSION:
539 set_pep_value ("__major_image_version__");
541 case OPTION_MINOR_IMAGE_VERSION:
542 set_pep_value ("__minor_image_version__");
544 case OPTION_FILE_ALIGNMENT:
545 set_pep_value ("__file_alignment__");
547 case OPTION_SECTION_ALIGNMENT:
548 set_pep_value ("__section_alignment__");
551 set_pep_name ("__dll__", 1);
553 case OPTION_IMAGE_BASE:
554 set_pep_value ("__image_base__");
556 case OPTION_SUPPORT_OLD_CODE:
557 support_old_code = 1;
561 pep_out_def_filename = xstrdup (optarg);
563 case OPTION_EXPORT_ALL:
564 pep_dll_export_everything = 1;
566 case OPTION_EXCLUDE_SYMBOLS:
567 pep_dll_add_excludes (optarg, EXCLUDESYMS);
569 case OPTION_EXCLUDE_LIBS:
570 pep_dll_add_excludes (optarg, EXCLUDELIBS);
572 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
573 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
575 case OPTION_KILL_ATS:
576 pep_dll_kill_ats = 1;
578 case OPTION_STDCALL_ALIASES:
579 pep_dll_stdcall_aliases = 1;
581 case OPTION_ENABLE_STDCALL_FIXUP:
582 pep_enable_stdcall_fixup = 1;
584 case OPTION_DISABLE_STDCALL_FIXUP:
585 pep_enable_stdcall_fixup = 0;
587 case OPTION_IMPLIB_FILENAME:
588 pep_implib_filename = xstrdup (optarg);
590 case OPTION_WARN_DUPLICATE_EXPORTS:
591 pep_dll_warn_dup_exports = 1;
593 case OPTION_IMP_COMPAT:
594 pep_dll_compat_implib = 1;
596 case OPTION_ENABLE_AUTO_IMAGE_BASE:
597 pep_enable_auto_image_base = 1;
599 case OPTION_DISABLE_AUTO_IMAGE_BASE:
600 pep_enable_auto_image_base = 0;
602 case OPTION_DLL_SEARCH_PREFIX:
603 pep_dll_search_prefix = xstrdup (optarg);
605 case OPTION_NO_DEFAULT_EXCLUDES:
606 pep_dll_do_default_excludes = 0;
608 case OPTION_DLL_ENABLE_AUTO_IMPORT:
609 link_info.pei386_auto_import = 1;
611 case OPTION_DLL_DISABLE_AUTO_IMPORT:
612 link_info.pei386_auto_import = 0;
614 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
615 link_info.pei386_runtime_pseudo_reloc = 2;
617 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
618 link_info.pei386_runtime_pseudo_reloc = 0;
620 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
621 link_info.pei386_runtime_pseudo_reloc = 1;
623 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
624 link_info.pei386_runtime_pseudo_reloc = 2;
626 case OPTION_ENABLE_EXTRA_PE_DEBUG:
627 pep_dll_extra_pe_debug = 1;
637 strhash (const char *str)
639 const unsigned char *s;
646 s = (const unsigned char *) str;
647 while ((c = *s++) != '\0')
649 hash += c + (c << 17);
653 hash += len + (len << 17);
659 /* Use the output file to create a image base for relocatable DLLs. */
662 compute_dll_image_base (const char *ofile)
664 bfd_vma hash = (bfd_vma) strhash (ofile);
665 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
669 /* Assign values to the special symbols before the linker script is
673 gld_${EMULATION_NAME}_set_symbols (void)
675 /* Run through and invent symbols for all the
676 names and insert the defaults. */
678 lang_statement_list_type *save;
680 if (!init[IMAGEBASEOFF].inited)
682 if (link_info.relocatable)
683 init[IMAGEBASEOFF].value = 0;
684 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
686 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base) ?
687 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
689 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
692 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
693 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
696 /* Don't do any symbol assignments if this is a relocatable link. */
697 if (link_info.relocatable)
700 /* Glue the assignments into the abs section. */
703 stat_ptr = &(abs_output_section->children);
705 for (j = 0; init[j].ptr; j++)
707 bfd_vma val = init[j].value;
708 lang_assignment_statement_type *rv;
709 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
711 if (init[j].size == sizeof (short))
712 *(short *) init[j].ptr = (short) val;
713 else if (init[j].size == sizeof (int))
714 *(int *) init[j].ptr = (int) val;
715 else if (init[j].size == sizeof (long))
716 *(long *) init[j].ptr = (long) val;
717 /* This might be a long long or other special type. */
718 else if (init[j].size == sizeof (bfd_vma))
719 *(bfd_vma *) init[j].ptr = val;
721 if (j == IMAGEBASEOFF)
722 image_base_statement = rv;
724 /* Restore the pointer. */
727 if (pep.FileAlignment > pep.SectionAlignment)
729 einfo (_("%P: warning, file alignment > section alignment.\n"));
733 /* This is called after the linker script and the command line options
737 gld_${EMULATION_NAME}_after_parse (void)
739 /* The Windows libraries are designed for the linker to treat the
740 entry point as an undefined symbol. Otherwise, the .obj that
741 defines mainCRTStartup is brought in because it is the first
742 encountered in libc.lib and it has other symbols in it which will
743 be pulled in by the link process. To avoid this, we act as
744 though the user specified -u with the entry point symbol.
746 This function is called after the linker script and command line
747 options have been read, so at this point we know the right entry
748 point. This function is called before the input files are
749 opened, so registering the symbol as undefined will make a
752 if (! link_info.relocatable && entry_symbol.name != NULL)
753 ldlang_add_undef (entry_symbol.name);
756 /* pep-dll.c directly accesses pep_data_import_dll,
757 so it must be defined outside of #ifdef DLL_SUPPORT.
758 Note - this variable is deliberately not initialised.
759 This allows it to be treated as a common varaible, and only
760 exist in one incarnation in a multiple target enabled linker. */
761 char * pep_data_import_dll;
764 static struct bfd_link_hash_entry *pep_undef_found_sym;
767 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
772 sl = strlen (string);
773 if (h->type == bfd_link_hash_defined
774 && strncmp (h->root.string, string, sl) == 0
775 && h->root.string[sl] == '@')
777 pep_undef_found_sym = h;
784 pep_fixup_stdcalls (void)
786 static int gave_warning_message = 0;
787 struct bfd_link_hash_entry *undef, *sym;
789 if (pep_dll_extra_pe_debug)
790 printf ("%s\n", __FUNCTION__);
792 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
793 if (undef->type == bfd_link_hash_undefined)
795 char* at = strchr (undef->root.string, '@');
796 int lead_at = (*undef->root.string == '@');
797 /* For now, don't try to fixup fastcall symbols. */
801 /* The symbol is a stdcall symbol, so let's look for a
802 cdecl symbol with the same name and resolve to that. */
803 char *cname = xstrdup (undef->root.string /* + lead_at */);
804 at = strchr (cname, '@');
806 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
808 if (sym && sym->type == bfd_link_hash_defined)
810 undef->type = bfd_link_hash_defined;
811 undef->u.def.value = sym->u.def.value;
812 undef->u.def.section = sym->u.def.section;
814 if (pep_enable_stdcall_fixup == -1)
816 einfo (_("Warning: resolving %s by linking to %s\n"),
817 undef->root.string, cname);
818 if (! gave_warning_message)
820 gave_warning_message = 1;
821 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
822 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
829 /* The symbol is a cdecl symbol, so we look for stdcall
830 symbols - which means scanning the whole symbol table. */
831 pep_undef_found_sym = 0;
832 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
833 (char *) undef->root.string);
834 sym = pep_undef_found_sym;
837 undef->type = bfd_link_hash_defined;
838 undef->u.def.value = sym->u.def.value;
839 undef->u.def.section = sym->u.def.section;
841 if (pep_enable_stdcall_fixup == -1)
843 einfo (_("Warning: resolving %s by linking to %s\n"),
844 undef->root.string, sym->root.string);
845 if (! gave_warning_message)
847 gave_warning_message = 1;
848 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
849 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
858 make_import_fixup (arelent *rel, asection *s)
860 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
865 if (pep_dll_extra_pe_debug)
866 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
867 (unsigned long) rel->address, (long) rel->addend);
869 memset (addend, 0, sizeof (addend));
870 switch ((rel->howto->bitsize))
873 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
874 if (suc && rel->howto->pc_relative)
875 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
877 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
880 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
881 if (suc && rel->howto->pc_relative)
882 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
884 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
887 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
888 if (suc && rel->howto->pc_relative)
889 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
891 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
894 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
896 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
900 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
901 s->owner, s, rel->address);
903 if (pep_dll_extra_pe_debug)
905 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
906 if (rel->howto->pc_relative) printf (" pcrel");
907 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
909 pep_create_import_fixup (rel, s, _addend);
915 pep_find_data_imports (void)
917 struct bfd_link_hash_entry *undef, *sym;
919 if (link_info.pei386_auto_import == 0)
922 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
924 if (undef->type == bfd_link_hash_undefined)
926 /* C++ symbols are *long*. */
929 if (pep_dll_extra_pe_debug)
930 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
932 sprintf (buf, "__imp_%s", undef->root.string);
934 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
936 if (sym && sym->type == bfd_link_hash_defined)
938 bfd *b = sym->u.def.section->owner;
942 if (link_info.pei386_auto_import == -1)
944 static bfd_boolean warned = FALSE;
946 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
947 undef->root.string, buf);
949 /* PR linker/4844. */
953 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
954 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
958 if (!bfd_generic_link_read_symbols (b))
960 einfo (_("%B%F: could not read symbols: %E\n"), b);
964 symbols = bfd_get_outsymbols (b);
965 nsyms = bfd_get_symcount (b);
967 for (i = 0; i < nsyms; i++)
969 if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
972 if (pep_dll_extra_pe_debug)
973 printf ("->%s\n", symbols[i]->name);
975 pep_data_import_dll = (char*) (symbols[i]->name +
976 sizeof ("__head_") - 1);
980 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
983 /* Let's differentiate it somehow from defined. */
984 undef->type = bfd_link_hash_defweak;
985 /* We replace original name with __imp_ prefixed, this
986 1) may trash memory 2) leads to duplicate symbol generation.
987 Still, IMHO it's better than having name poluted. */
988 undef->root.string = sym->root.string;
989 undef->u.def.value = sym->u.def.value;
990 undef->u.def.section = sym->u.def.section;
997 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
999 if (pep_dll_extra_pe_debug)
1000 printf ("+%s\n", h->string);
1004 #endif /* DLL_SUPPORT */
1008 gld_${EMULATION_NAME}_after_open (void)
1011 if (pep_dll_extra_pe_debug)
1014 struct bfd_link_hash_entry *sym;
1016 printf ("%s()\n", __FUNCTION__);
1018 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1019 printf ("-%s\n", sym->root.string);
1020 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1022 for (a = link_info.input_bfds; a; a = a->link_next)
1023 printf ("*%s\n",a->filename);
1027 /* Pass the wacky PE command line options into the output bfd.
1028 FIXME: This should be done via a function, rather than by
1029 including an internal BFD header. */
1031 if (coff_data (link_info.output_bfd) == NULL
1032 || coff_data (link_info.output_bfd)->pe == 0)
1033 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1034 link_info.output_bfd);
1036 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1037 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1038 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1041 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1042 pep_fixup_stdcalls ();
1044 pep_process_import_defs (link_info.output_bfd, &link_info);
1046 pep_find_data_imports ();
1048 #ifndef TARGET_IS_i386pep
1049 if (link_info.shared)
1051 if (!link_info.relocatable)
1053 pep_dll_build_sections (link_info.output_bfd, &link_info);
1055 #ifndef TARGET_IS_i386pep
1057 pep_exe_build_sections (link_info.output_bfd, &link_info);
1059 #endif /* DLL_SUPPORT */
1062 /* This next chunk of code tries to detect the case where you have
1063 two import libraries for the same DLL (specifically,
1064 symbolically linking libm.a and libc.a in cygwin to
1065 libcygwin.a). In those cases, it's possible for function
1066 thunks from the second implib to be used but without the
1067 head/tail objects, causing an improper import table. We detect
1068 those cases and rename the "other" import libraries to match
1069 the one the head/tail come from, so that the linker will sort
1070 things nicely and produce a valid import table. */
1072 LANG_FOR_EACH_INPUT_STATEMENT (is)
1074 if (is->the_bfd->my_archive)
1076 int idata2 = 0, reloc_count=0, is_imp = 0;
1079 /* See if this is an import library thunk. */
1080 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1082 if (strcmp (sec->name, ".idata\$2") == 0)
1084 if (CONST_STRNEQ (sec->name, ".idata\$"))
1086 reloc_count += sec->reloc_count;
1089 if (is_imp && !idata2 && reloc_count)
1091 /* It is, look for the reference to head and see if it's
1092 from our own library. */
1093 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1101 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1105 if (!bfd_generic_link_read_symbols (is->the_bfd))
1107 einfo (_("%B%F: could not read symbols: %E\n"),
1111 symbols = bfd_get_outsymbols (is->the_bfd);
1113 relocs = xmalloc ((size_t) relsize);
1114 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1119 einfo ("%X%P: unable to process relocs: %E\n");
1123 for (i = 0; i < nrelocs; i++)
1125 struct bfd_symbol *s;
1126 struct bfd_link_hash_entry * blhe;
1127 char *other_bfd_filename;
1130 s = (relocs[i]->sym_ptr_ptr)[0];
1132 if (s->flags & BSF_LOCAL)
1135 /* Thunk section with reloc to another bfd. */
1136 blhe = bfd_link_hash_lookup (link_info.hash,
1138 FALSE, FALSE, TRUE);
1141 || blhe->type != bfd_link_hash_defined)
1145 = blhe->u.def.section->owner->my_archive
1146 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1147 : bfd_get_filename (blhe->u.def.section->owner);
1149 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1150 other_bfd_filename) == 0)
1153 /* Rename this implib to match the other one. */
1154 n = xmalloc (strlen (other_bfd_filename) + 1);
1155 strcpy (n, other_bfd_filename);
1156 is->the_bfd->my_archive->filename = n;
1160 /* Note - we do not free the symbols,
1161 they are now cached in the BFD. */
1171 lang_input_statement_type *is2;
1172 lang_input_statement_type *is3;
1174 /* Careful - this is a shell script. Watch those dollar signs! */
1175 /* Microsoft import libraries have every member named the same,
1176 and not in the right order for us to link them correctly. We
1177 must detect these and rename the members so that they'll link
1178 correctly. There are three types of objects: the head, the
1179 thunks, and the sentinel(s). The head is easy; it's the one
1180 with idata2. We assume that the sentinels won't have relocs,
1181 and the thunks will. It's easier than checking the symbol
1182 table for external references. */
1183 LANG_FOR_EACH_INPUT_STATEMENT (is)
1185 if (is->the_bfd->my_archive)
1188 bfd *arch = is->the_bfd->my_archive;
1190 if (cur_arch != arch)
1196 is3 && is3->the_bfd->my_archive == arch;
1197 is3 = (lang_input_statement_type *) is3->next)
1199 /* A MS dynamic import library can also contain static
1200 members, so look for the first element with a .dll
1201 extension, and use that for the remainder of the
1203 pnt = strrchr (is3->the_bfd->filename, '.');
1204 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1212 /* OK, found one. Now look to see if the remaining
1213 (dynamic import) members use the same name. */
1215 is2 && is2->the_bfd->my_archive == arch;
1216 is2 = (lang_input_statement_type *) is2->next)
1218 /* Skip static members, ie anything with a .obj
1220 pnt = strrchr (is2->the_bfd->filename, '.');
1221 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1224 if (strcmp (is3->the_bfd->filename,
1225 is2->the_bfd->filename))
1234 /* This fragment might have come from an .obj file in a Microsoft
1235 import, and not an actual import record. If this is the case,
1236 then leave the filename alone. */
1237 pnt = strrchr (is->the_bfd->filename, '.');
1239 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1241 int idata2 = 0, reloc_count=0;
1243 char *new_name, seq;
1245 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1247 if (strcmp (sec->name, ".idata\$2") == 0)
1249 reloc_count += sec->reloc_count;
1252 if (idata2) /* .idata2 is the TOC */
1254 else if (reloc_count > 0) /* thunks */
1259 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1260 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1261 is->the_bfd->filename = new_name;
1263 new_name = xmalloc (strlen (is->filename) + 3);
1264 sprintf (new_name, "%s.%c", is->filename, seq);
1265 is->filename = new_name;
1273 gld_${EMULATION_NAME}_before_allocation (void)
1275 before_allocation_default ();
1279 /* This is called when an input file isn't recognized as a BFD. We
1280 check here for .DEF files and pull them in automatically. */
1283 saw_option (char *option)
1287 for (i = 0; init[i].ptr; i++)
1288 if (strcmp (init[i].symbol, option) == 0)
1289 return init[i].inited;
1292 #endif /* DLL_SUPPORT */
1295 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1298 const char *ext = entry->filename + strlen (entry->filename) - 4;
1300 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1302 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1306 int i, buflen=0, len;
1309 for (i = 0; i < pep_def_file->num_exports; i++)
1311 len = strlen (pep_def_file->exports[i].internal_name);
1312 if (buflen < len + 2)
1316 buf = xmalloc (buflen);
1318 for (i = 0; i < pep_def_file->num_exports; i++)
1320 struct bfd_link_hash_entry *h;
1322 sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
1324 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1325 if (h == (struct bfd_link_hash_entry *) NULL)
1326 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1327 if (h->type == bfd_link_hash_new)
1329 h->type = bfd_link_hash_undefined;
1330 h->u.undef.abfd = NULL;
1331 bfd_link_add_undef (link_info.hash, h);
1336 /* def_file_print (stdout, pep_def_file); */
1337 if (pep_def_file->is_dll == 1)
1338 link_info.shared = 1;
1340 if (pep_def_file->base_address != (bfd_vma)(-1))
1343 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1344 = init[IMAGEBASEOFF].value
1345 = pep_def_file->base_address;
1346 init[IMAGEBASEOFF].inited = 1;
1347 if (image_base_statement)
1348 image_base_statement->exp = exp_assop ('=', "__image_base__",
1349 exp_intop (pep.ImageBase));
1352 if (pep_def_file->stack_reserve != -1
1353 && ! saw_option ("__size_of_stack_reserve__"))
1355 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1356 if (pep_def_file->stack_commit != -1)
1357 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1359 if (pep_def_file->heap_reserve != -1
1360 && ! saw_option ("__size_of_heap_reserve__"))
1362 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1363 if (pep_def_file->heap_commit != -1)
1364 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1374 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1377 #ifdef TARGET_IS_i386pep
1378 pep_dll_id_target ("pei-x86-64");
1380 if (pep_bfd_is_dll (entry->the_bfd))
1381 return pep_implied_import_dll (entry->filename);
1387 gld_${EMULATION_NAME}_finish (void)
1392 if (link_info.shared
1393 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1395 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1396 if (pep_implib_filename)
1397 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1400 if (pep_out_def_filename)
1401 pep_dll_generate_def_file (pep_out_def_filename);
1402 #endif /* DLL_SUPPORT */
1404 /* I don't know where .idata gets set as code, but it shouldn't be. */
1406 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1410 asec->flags &= ~SEC_CODE;
1411 asec->flags |= SEC_DATA;
1417 /* Place an orphan section.
1419 We use this to put sections in a reasonable place in the file, and
1420 to ensure that they are aligned as required.
1422 We handle grouped sections here as well. A section named .foo\$nn
1423 goes into the output section .foo. All grouped sections are sorted
1426 Grouped sections for the default sections are handled by the
1427 default linker script using wildcards, and are sorted by
1430 static lang_output_section_statement_type *
1431 gld_${EMULATION_NAME}_place_orphan (asection *s,
1432 const char *secname,
1435 const char *orig_secname = secname;
1436 char *dollar = NULL;
1437 lang_output_section_statement_type *os;
1438 lang_statement_list_type add_child;
1440 /* Look through the script to see where to place this section. */
1441 if (!link_info.relocatable
1442 && (dollar = strchr (secname, '\$')) != NULL)
1444 size_t len = dollar - secname;
1445 char *newname = xmalloc (len + 1);
1446 memcpy (newname, secname, len);
1447 newname[len] = '\0';
1451 lang_list_init (&add_child);
1454 && (os = lang_output_section_find (secname)) != NULL
1455 && os->bfd_section != NULL
1456 && (os->bfd_section->flags == 0
1457 || ((s->flags ^ os->bfd_section->flags)
1458 & (SEC_LOAD | SEC_ALLOC)) == 0))
1460 /* We already have an output section statement with this
1461 name, and its bfd section has compatible flags.
1462 If the section already exists but does not have any flags set,
1463 then it has been created by the linker, probably as a result of
1464 a --section-start command line switch. */
1465 lang_add_section (&add_child, s, os);
1469 static struct orphan_save hold[] =
1472 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1475 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1478 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1484 enum orphan_save_index
1491 static int orphan_init_done = 0;
1492 struct orphan_save *place;
1493 lang_output_section_statement_type *after;
1494 etree_type *address;
1496 if (!orphan_init_done)
1498 struct orphan_save *ho;
1499 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1500 if (ho->name != NULL)
1502 ho->os = lang_output_section_find (ho->name);
1503 if (ho->os != NULL && ho->os->flags == 0)
1504 ho->os->flags = ho->flags;
1506 orphan_init_done = 1;
1509 /* Try to put the new output section in a reasonable place based
1510 on the section name and section flags. */
1513 if ((s->flags & SEC_ALLOC) == 0)
1515 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1516 place = &hold[orphan_bss];
1517 else if ((s->flags & SEC_READONLY) == 0)
1518 place = &hold[orphan_data];
1519 else if ((s->flags & SEC_CODE) == 0)
1520 place = &hold[orphan_rodata];
1522 place = &hold[orphan_text];
1527 if (place->os == NULL)
1528 place->os = lang_output_section_find (place->name);
1531 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1533 /* *ABS* is always the first output section statement. */
1534 after = (&lang_output_section_statement.head
1535 ->output_section_statement);
1538 /* All sections in an executable must be aligned to a page boundary. */
1539 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1540 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1545 lang_statement_union_type **pl = &os->children.head;
1549 bfd_boolean found_dollar;
1551 /* The section name has a '\$'. Sort it with the other '\$'
1553 found_dollar = FALSE;
1554 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1556 lang_input_section_type *ls;
1559 if ((*pl)->header.type != lang_input_section_enum)
1562 ls = &(*pl)->input_section;
1564 lname = bfd_get_section_name (ls->section->owner, ls->section);
1565 if (strchr (lname, '\$') == NULL)
1572 found_dollar = TRUE;
1573 if (strcmp (orig_secname, lname) < 0)
1579 if (add_child.head != NULL)
1581 add_child.head->header.next = *pl;
1582 *pl = add_child.head;
1590 gld_${EMULATION_NAME}_open_dynamic_archive
1591 (const char *arch ATTRIBUTE_UNUSED,
1592 search_dirs_type *search,
1593 lang_input_statement_type *entry)
1597 const char * format;
1598 bfd_boolean use_prefix;
1602 /* Preferred explicit import library for dll's. */
1603 { "lib%s.dll.a", FALSE },
1604 /* Alternate explicit import library for dll's. */
1605 { "%s.dll.a", FALSE },
1606 /* "libfoo.a" could be either an import lib or a static lib.
1607 For backwards compatibility, libfoo.a needs to precede
1608 libfoo.dll and foo.dll in the search. */
1609 { "lib%s.a", FALSE },
1610 /* The 'native' spelling of an import lib name is "foo.lib". */
1611 { "%s.lib", FALSE },
1613 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1614 { "%s%s.dll", TRUE },
1616 /* Try "libfoo.dll" (default preferred dll name). */
1617 { "lib%s.dll", FALSE },
1618 /* Finally try 'native' dll name "foo.dll". */
1619 { "%s.dll", FALSE },
1620 /* Note: If adding more formats to this table, make sure to check to
1621 see if their length is longer than libname_fmt[0].format, and if
1622 so, update the call to xmalloc() below. */
1625 static unsigned int format_max_len = 0;
1626 const char * filename;
1632 if (! entry->is_archive)
1635 filename = entry->filename;
1637 if (format_max_len == 0)
1638 /* We need to allow space in the memory that we are going to allocate
1639 for the characters in the format string. Since the format array is
1640 static we only need to calculate this information once. In theory
1641 this value could also be computed statically, but this introduces
1642 the possibility for a discrepancy and hence a possible memory
1643 corruption. The lengths we compute here will be too long because
1644 they will include any formating characters (%s) in the strings, but
1645 this will not matter. */
1646 for (i = 0; libname_fmt[i].format; i++)
1647 if (format_max_len < strlen (libname_fmt[i].format))
1648 format_max_len = strlen (libname_fmt[i].format);
1650 full_string = xmalloc (strlen (search->name)
1654 + (pep_dll_search_prefix
1655 ? strlen (pep_dll_search_prefix) : 0)
1657 /* Allow for the terminating NUL and for the path
1658 separator character that is inserted between
1659 search->name and the start of the format string. */
1662 sprintf (full_string, "%s/", search->name);
1663 base_string = full_string + strlen (full_string);
1665 for (i = 0; libname_fmt[i].format; i++)
1668 if (libname_fmt[i].use_prefix)
1670 if (!pep_dll_search_prefix)
1672 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1676 sprintf (base_string, libname_fmt[i].format, filename);
1678 if (ldfile_try_open_bfd (full_string, entry))
1682 if (!libname_fmt[i].format)
1688 entry->filename = full_string;
1694 gld_${EMULATION_NAME}_find_potential_libraries
1695 (char *name, lang_input_statement_type *entry)
1697 return ldfile_open_file_search (name, entry, "", ".lib");
1701 gld_${EMULATION_NAME}_get_script (int *isfile)
1703 # Scripts compiled in.
1704 # sed commands to quote an ld script as a C string.
1705 sc="-f stringify.sed"
1711 if (link_info.relocatable && config.build_constructors)
1714 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1715 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1716 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1717 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1718 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1719 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1720 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1721 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1722 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1723 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1725 echo ' ; else return' >> e${EMULATION_NAME}.c
1726 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1727 echo '; }' >> e${EMULATION_NAME}.c
1732 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1734 gld_${EMULATION_NAME}_before_parse,
1737 gld_${EMULATION_NAME}_after_parse,
1738 gld_${EMULATION_NAME}_after_open,
1739 after_allocation_default,
1740 set_output_arch_default,
1741 ldemul_default_target,
1742 gld_${EMULATION_NAME}_before_allocation,
1743 gld_${EMULATION_NAME}_get_script,
1744 "${EMULATION_NAME}",
1746 gld_${EMULATION_NAME}_finish,
1747 NULL, /* Create output section statements. */
1748 gld_${EMULATION_NAME}_open_dynamic_archive,
1749 gld_${EMULATION_NAME}_place_orphan,
1750 gld_${EMULATION_NAME}_set_symbols,
1751 NULL, /* parse_args */
1752 gld${EMULATION_NAME}_add_options,
1753 gld${EMULATION_NAME}_handle_option,
1754 gld_${EMULATION_NAME}_unrecognized_file,
1755 gld_${EMULATION_NAME}_list_options,
1756 gld_${EMULATION_NAME}_recognized_file,
1757 gld_${EMULATION_NAME}_find_potential_libraries,
1758 NULL /* new_vers_pattern. */