| blob | 56687d673ea0042ef1733625ebd776625a2eb90e |
1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
4 OUTPUT_ARCH=${ARCH}
5 else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7 fi
8 rm -f e${EMULATION_NAME}.c
9 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
10 fragment <<EOF
11 /* Copyright 2006, 2007, 2008, 2009, 2010, 2011
12 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
39 #define COFF_WITH_PE
40 #define COFF_WITH_pex64
42 #include "sysdep.h"
43 #include "bfd.h"
44 #include "bfdlink.h"
45 #include "getopt.h"
46 #include "libiberty.h"
47 #include "ld.h"
48 #include "ldmain.h"
49 #include "ldexp.h"
50 #include "ldlang.h"
51 #include "ldfile.h"
52 #include "ldemul.h"
53 #include <ldgram.h>
54 #include "ldlex.h"
55 #include "ldmisc.h"
56 #include "ldctor.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"
62 #include "coff/pe.h"
64 /* FIXME: This is a BFD internal header file, and we should not be
65 using it here. */
66 #include "../bfd/libcoff.h"
68 #undef AOUTSZ
69 #define AOUTSZ PEPAOUTSZ
70 #define PEAOUTHDR PEPAOUTHDR
72 #include "deffile.h"
73 #include "pep-dll.h"
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}
83 #endif
85 #ifdef TARGET_IS_i386pep
86 #define DLL_SUPPORT
87 #endif
89 #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
90 #define PE_DEF_SUBSYSTEM 3
91 #else
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
99 #endif
101 static struct internal_extra_pe_aouthdr pep;
102 static int dll;
103 static int pep_subsystem = ${SUBSYSTEM};
104 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
105 static int support_old_code = 0;
106 static lang_assignment_statement_type *image_base_statement = 0;
107 static unsigned short pe_dll_characteristics = 0;
109 #ifdef DLL_SUPPORT
110 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
111 static char * pep_out_def_filename = NULL;
112 static char * pep_implib_filename = NULL;
113 static int pep_enable_auto_image_base = 0;
114 static char * pep_dll_search_prefix = NULL;
115 #endif
117 extern const char *output_filename;
119 static int is_underscoring (void)
120 {
121 int u = 0;
122 if (pep_leading_underscore != -1)
123 return pep_leading_underscore;
124 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
125 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
127 if (u == -1)
128 abort ();
129 pep_leading_underscore = (u != 0 ? 1 : 0);
130 return pep_leading_underscore;
131 }
134 static void
135 gld_${EMULATION_NAME}_before_parse (void)
136 {
137 is_underscoring ();
138 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
139 output_filename = "${EXECUTABLE_NAME:-a.exe}";
140 #ifdef DLL_SUPPORT
141 config.dynamic_link = TRUE;
142 config.has_shared = 1;
143 link_info.pei386_auto_import = 1;
144 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
145 #endif
146 }
147 \f
148 /* PE format extra command line options. */
150 /* Used for setting flags in the PE header. */
151 enum options
152 {
153 OPTION_BASE_FILE = 300 + 1,
154 OPTION_DLL,
155 OPTION_FILE_ALIGNMENT,
156 OPTION_IMAGE_BASE,
157 OPTION_MAJOR_IMAGE_VERSION,
158 OPTION_MAJOR_OS_VERSION,
159 OPTION_MAJOR_SUBSYSTEM_VERSION,
160 OPTION_MINOR_IMAGE_VERSION,
161 OPTION_MINOR_OS_VERSION,
162 OPTION_MINOR_SUBSYSTEM_VERSION,
163 OPTION_SECTION_ALIGNMENT,
164 OPTION_STACK,
165 OPTION_SUBSYSTEM,
166 OPTION_HEAP,
167 OPTION_SUPPORT_OLD_CODE,
168 OPTION_OUT_DEF,
169 OPTION_EXPORT_ALL,
170 OPTION_EXCLUDE_SYMBOLS,
171 OPTION_EXCLUDE_ALL_SYMBOLS,
172 OPTION_KILL_ATS,
173 OPTION_STDCALL_ALIASES,
174 OPTION_ENABLE_STDCALL_FIXUP,
175 OPTION_DISABLE_STDCALL_FIXUP,
176 OPTION_IMPLIB_FILENAME,
177 OPTION_WARN_DUPLICATE_EXPORTS,
178 OPTION_IMP_COMPAT,
179 OPTION_ENABLE_AUTO_IMAGE_BASE,
180 OPTION_DISABLE_AUTO_IMAGE_BASE,
181 OPTION_DLL_SEARCH_PREFIX,
182 OPTION_NO_DEFAULT_EXCLUDES,
183 OPTION_DLL_ENABLE_AUTO_IMPORT,
184 OPTION_DLL_DISABLE_AUTO_IMPORT,
185 OPTION_ENABLE_EXTRA_PE_DEBUG,
186 OPTION_EXCLUDE_LIBS,
187 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
188 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
189 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
190 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
191 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
192 OPTION_NO_LEADING_UNDERSCORE,
193 OPTION_LEADING_UNDERSCORE,
194 OPTION_ENABLE_LONG_SECTION_NAMES,
195 OPTION_DISABLE_LONG_SECTION_NAMES,
196 OPTION_DYNAMIC_BASE,
197 OPTION_FORCE_INTEGRITY,
198 OPTION_NX_COMPAT,
199 OPTION_NO_ISOLATION,
200 OPTION_NO_SEH,
201 OPTION_NO_BIND,
202 OPTION_WDM_DRIVER,
203 OPTION_TERMINAL_SERVER_AWARE
204 };
206 static void
207 gld${EMULATION_NAME}_add_options
208 (int ns ATTRIBUTE_UNUSED,
209 char **shortopts ATTRIBUTE_UNUSED,
210 int nl,
211 struct option **longopts,
212 int nrl ATTRIBUTE_UNUSED,
213 struct option **really_longopts ATTRIBUTE_UNUSED)
214 {
215 static const struct option xtra_long[] =
216 {
217 /* PE options */
218 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
219 {"dll", no_argument, NULL, OPTION_DLL},
220 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
221 {"heap", required_argument, NULL, OPTION_HEAP},
222 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
223 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
224 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
225 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
226 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
227 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
228 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
229 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
230 {"stack", required_argument, NULL, OPTION_STACK},
231 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
232 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
233 {"use-nul-prefixed-import-tables", no_argument, NULL,
234 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
235 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
236 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
237 #ifdef DLL_SUPPORT
238 /* getopt allows abbreviations, so we do this to stop it
239 from treating -o as an abbreviation for this option. */
240 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
241 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
242 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
243 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
244 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
245 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
246 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
247 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
248 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
249 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
250 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
251 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
252 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
253 /* getopt() allows abbreviations, so we do this to stop it from
254 treating -c as an abbreviation for these --compat-implib. */
255 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
256 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
257 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
258 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
259 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
260 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
261 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
262 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
263 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
264 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
265 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
266 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
267 #endif
268 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
269 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
270 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
271 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
272 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
273 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
274 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
275 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
276 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
277 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
278 {NULL, no_argument, NULL, 0}
279 };
281 *longopts
282 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
283 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
284 }
286 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
287 parameters which may be input from the command line. */
289 typedef struct
290 {
291 void *ptr;
292 int size;
293 bfd_vma value;
294 char *symbol;
295 int inited;
296 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
297 C visible symbols can be prefixed by underscore dependent on target's
298 settings. */
299 bfd_boolean is_c_symbol;
300 } definfo;
302 #define GET_INIT_SYMBOL_NAME(IDX) \
303 (init[(IDX)].symbol \
304 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () == 1)) ? 0 : 1))
306 /* Decorates the C visible symbol by underscore, if target requires. */
307 #define U(CSTR) \
308 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
310 /* Get size of constant string for a possible underscore prefixed
311 C visible symbol. */
312 #define U_SIZE(CSTR) \
313 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
315 #define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
317 static definfo init[] =
318 {
319 /* imagebase must be first */
320 #define IMAGEBASEOFF 0
321 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
322 #define DLLOFF 1
323 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
324 #define MSIMAGEBASEOFF 2
325 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
326 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
327 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
328 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
329 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
330 D(MajorImageVersion,"__major_image_version__", 0, FALSE),
331 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
332 D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
333 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
334 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
335 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
336 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
337 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
338 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
339 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
340 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
341 { NULL, 0, 0, NULL, 0, FALSE}
342 };
345 static void
346 gld_${EMULATION_NAME}_list_options (FILE *file)
347 {
348 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
349 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
350 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
351 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
352 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
353 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
354 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
355 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
356 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
357 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
358 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
359 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
360 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
361 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
362 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
363 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
364 #ifdef DLL_SUPPORT
365 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
366 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
367 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
368 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
369 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
370 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
371 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
372 fprintf (file, _(" Exclude objects, archive members from auto\n"));
373 fprintf (file, _(" export, place into import library instead.\n"));
374 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
375 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
376 fprintf (file, _(" --out-implib <file> Generate import library\n"));
377 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
378 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
379 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
380 create __imp_<SYMBOL> as well.\n"));
381 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
382 unless user specifies one\n"));
383 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
384 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
385 an importlib, use <string><basename>.dll\n\
386 in preference to lib<basename>.dll \n"));
387 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
388 __imp_sym for DATA references\n"));
389 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
390 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
391 adding pseudo-relocations resolved at\n\
392 runtime.\n"));
393 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
394 auto-imported DATA.\n"));
395 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
396 or linking to DLLs (esp. auto-import)\n"));
397 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
398 executable image files\n"));
399 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
400 in object files\n"));
401 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
402 address space layout randomization (ASLR)\n"));
403 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
404 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
405 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
406 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
407 be called in this image\n"));
408 fprintf (file, _(" --no-bind Do not bind this image\n"));
409 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
410 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
411 #endif
412 }
415 static void
416 set_pep_name (char *name, bfd_vma val)
417 {
418 int i;
419 is_underscoring ();
420 /* Find the name and set it. */
421 for (i = 0; init[i].ptr; i++)
422 {
423 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
424 {
425 init[i].value = val;
426 init[i].inited = 1;
427 if (strcmp (name,"__image_base__") == 0)
428 set_pep_name (U ("__ImageBase"), val);
429 return;
430 }
431 }
432 abort ();
433 }
435 static void
436 set_entry_point (void)
437 {
438 const char *entry;
439 const char *initial_symbol_char;
440 int i;
442 static const struct
443 {
444 const int value;
445 const char *entry;
446 }
447 v[] =
448 {
449 { 1, "NtProcessStartup" },
450 { 2, "WinMainCRTStartup" },
451 { 3, "mainCRTStartup" },
452 { 7, "__PosixProcessStartup" },
453 { 9, "WinMainCRTStartup" },
454 {14, "mainCRTStartup" },
455 { 0, NULL }
456 };
458 /* Entry point name for arbitrary subsystem numbers. */
459 static const char default_entry[] = "mainCRTStartup";
461 if (link_info.shared || dll)
462 {
463 entry = "DllMainCRTStartup";
464 }
465 else
466 {
467 for (i = 0; v[i].entry; i++)
468 if (v[i].value == pep_subsystem)
469 break;
471 /* If no match, use the default. */
472 if (v[i].entry != NULL)
473 entry = v[i].entry;
474 else
475 entry = default_entry;
476 }
478 /* Now we check target's default for getting proper symbol_char. */
479 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
481 if (*initial_symbol_char != '\0')
482 {
483 char *alc_entry;
485 /* lang_default_entry expects its argument to be permanently
486 allocated, so we don't free this string. */
487 alc_entry = xmalloc (strlen (initial_symbol_char)
488 + strlen (entry)
489 + 1);
490 strcpy (alc_entry, initial_symbol_char);
491 strcat (alc_entry, entry);
492 entry = alc_entry;
493 }
495 lang_default_entry (entry);
496 }
498 static void
499 set_pep_subsystem (void)
500 {
501 const char *sver;
502 char *end;
503 int len;
504 int i;
505 unsigned long temp_subsystem;
506 static const struct
507 {
508 const char *name;
509 const int value;
510 }
511 v[] =
512 {
513 { "native", 1 },
514 { "windows", 2 },
515 { "console", 3 },
516 { "posix", 7 },
517 { "wince", 9 },
518 { "xbox", 14 },
519 { NULL, 0 }
520 };
522 /* Check for the presence of a version number. */
523 sver = strchr (optarg, ':');
524 if (sver == NULL)
525 len = strlen (optarg);
526 else
527 {
528 len = sver - optarg;
529 set_pep_name ("__major_subsystem_version__",
530 strtoul (sver + 1, &end, 0));
531 if (*end == '.')
532 set_pep_name ("__minor_subsystem_version__",
533 strtoul (end + 1, &end, 0));
534 if (*end != '\0')
535 einfo (_("%P: warning: bad version number in -subsystem option\n"));
536 }
538 /* Check for numeric subsystem. */
539 temp_subsystem = strtoul (optarg, & end, 0);
540 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
541 {
542 /* Search list for a numeric match to use its entry point. */
543 for (i = 0; v[i].name; i++)
544 if (v[i].value == (int) temp_subsystem)
545 break;
547 /* Use this subsystem. */
548 pep_subsystem = (int) temp_subsystem;
549 }
550 else
551 {
552 /* Search for subsystem by name. */
553 for (i = 0; v[i].name; i++)
554 if (strncmp (optarg, v[i].name, len) == 0
555 && v[i].name[len] == '\0')
556 break;
558 if (v[i].name == NULL)
559 {
560 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
561 return;
562 }
564 pep_subsystem = v[i].value;
565 }
567 set_pep_name ("__subsystem__", pep_subsystem);
569 return;
570 }
573 static void
574 set_pep_value (char *name)
575 {
576 char *end;
578 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
580 if (end == optarg)
581 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
583 optarg = end;
584 }
587 static void
588 set_pep_stack_heap (char *resname, char *comname)
589 {
590 set_pep_value (resname);
592 if (*optarg == ',')
593 {
594 optarg++;
595 set_pep_value (comname);
596 }
597 else if (*optarg)
598 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
599 }
602 static bfd_boolean
603 gld${EMULATION_NAME}_handle_option (int optc)
604 {
605 is_underscoring ();
606 switch (optc)
607 {
608 default:
609 return FALSE;
611 case OPTION_BASE_FILE:
612 link_info.base_file = fopen (optarg, FOPEN_WB);
613 if (link_info.base_file == NULL)
614 {
615 /* xgettext:c-format */
616 fprintf (stderr, _("%s: Can't open base file %s\n"),
617 program_name, optarg);
618 xexit (1);
619 }
620 break;
622 /* PE options. */
623 case OPTION_HEAP:
624 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
625 break;
626 case OPTION_STACK:
627 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
628 break;
629 case OPTION_SUBSYSTEM:
630 set_pep_subsystem ();
631 break;
632 case OPTION_MAJOR_OS_VERSION:
633 set_pep_value ("__major_os_version__");
634 break;
635 case OPTION_MINOR_OS_VERSION:
636 set_pep_value ("__minor_os_version__");
637 break;
638 case OPTION_MAJOR_SUBSYSTEM_VERSION:
639 set_pep_value ("__major_subsystem_version__");
640 break;
641 case OPTION_MINOR_SUBSYSTEM_VERSION:
642 set_pep_value ("__minor_subsystem_version__");
643 break;
644 case OPTION_MAJOR_IMAGE_VERSION:
645 set_pep_value ("__major_image_version__");
646 break;
647 case OPTION_MINOR_IMAGE_VERSION:
648 set_pep_value ("__minor_image_version__");
649 break;
650 case OPTION_FILE_ALIGNMENT:
651 set_pep_value ("__file_alignment__");
652 break;
653 case OPTION_SECTION_ALIGNMENT:
654 set_pep_value ("__section_alignment__");
655 break;
656 case OPTION_DLL:
657 set_pep_name ("__dll__", 1);
658 break;
659 case OPTION_IMAGE_BASE:
660 set_pep_value ("__image_base__");
661 break;
662 case OPTION_SUPPORT_OLD_CODE:
663 support_old_code = 1;
664 break;
665 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
666 pep_use_nul_prefixed_import_tables = TRUE;
667 break;
668 case OPTION_NO_LEADING_UNDERSCORE:
669 pep_leading_underscore = 0;
670 break;
671 case OPTION_LEADING_UNDERSCORE:
672 pep_leading_underscore = 1;
673 break;
674 #ifdef DLL_SUPPORT
675 case OPTION_OUT_DEF:
676 pep_out_def_filename = xstrdup (optarg);
677 break;
678 case OPTION_EXPORT_ALL:
679 pep_dll_export_everything = 1;
680 break;
681 case OPTION_EXCLUDE_SYMBOLS:
682 pep_dll_add_excludes (optarg, EXCLUDESYMS);
683 break;
684 case OPTION_EXCLUDE_ALL_SYMBOLS:
685 pep_dll_exclude_all_symbols = 1;
686 break;
687 case OPTION_EXCLUDE_LIBS:
688 pep_dll_add_excludes (optarg, EXCLUDELIBS);
689 break;
690 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
691 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
692 break;
693 case OPTION_KILL_ATS:
694 pep_dll_kill_ats = 1;
695 break;
696 case OPTION_STDCALL_ALIASES:
697 pep_dll_stdcall_aliases = 1;
698 break;
699 case OPTION_ENABLE_STDCALL_FIXUP:
700 pep_enable_stdcall_fixup = 1;
701 break;
702 case OPTION_DISABLE_STDCALL_FIXUP:
703 pep_enable_stdcall_fixup = 0;
704 break;
705 case OPTION_IMPLIB_FILENAME:
706 pep_implib_filename = xstrdup (optarg);
707 break;
708 case OPTION_WARN_DUPLICATE_EXPORTS:
709 pep_dll_warn_dup_exports = 1;
710 break;
711 case OPTION_IMP_COMPAT:
712 pep_dll_compat_implib = 1;
713 break;
714 case OPTION_ENABLE_AUTO_IMAGE_BASE:
715 pep_enable_auto_image_base = 1;
716 break;
717 case OPTION_DISABLE_AUTO_IMAGE_BASE:
718 pep_enable_auto_image_base = 0;
719 break;
720 case OPTION_DLL_SEARCH_PREFIX:
721 pep_dll_search_prefix = xstrdup (optarg);
722 break;
723 case OPTION_NO_DEFAULT_EXCLUDES:
724 pep_dll_do_default_excludes = 0;
725 break;
726 case OPTION_DLL_ENABLE_AUTO_IMPORT:
727 link_info.pei386_auto_import = 1;
728 break;
729 case OPTION_DLL_DISABLE_AUTO_IMPORT:
730 link_info.pei386_auto_import = 0;
731 break;
732 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
733 link_info.pei386_runtime_pseudo_reloc = 2;
734 break;
735 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
736 link_info.pei386_runtime_pseudo_reloc = 0;
737 break;
738 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
739 link_info.pei386_runtime_pseudo_reloc = 2;
740 break;
741 case OPTION_ENABLE_EXTRA_PE_DEBUG:
742 pep_dll_extra_pe_debug = 1;
743 break;
744 #endif
745 case OPTION_ENABLE_LONG_SECTION_NAMES:
746 pep_use_coff_long_section_names = 1;
747 break;
748 case OPTION_DISABLE_LONG_SECTION_NAMES:
749 pep_use_coff_long_section_names = 0;
750 break;
751 /* Get DLLCharacteristics bits */
752 case OPTION_DYNAMIC_BASE:
753 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
754 break;
755 case OPTION_FORCE_INTEGRITY:
756 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
757 break;
758 case OPTION_NX_COMPAT:
759 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
760 break;
761 case OPTION_NO_ISOLATION:
762 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
763 break;
764 case OPTION_NO_SEH:
765 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
766 break;
767 case OPTION_NO_BIND:
768 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
769 break;
770 case OPTION_WDM_DRIVER:
771 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
772 break;
773 case OPTION_TERMINAL_SERVER_AWARE:
774 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
775 break;
776 }
778 /* Set DLLCharacteristics bits */
779 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
781 return TRUE;
782 }
783 \f
785 #ifdef DLL_SUPPORT
786 static unsigned long
787 strhash (const char *str)
788 {
789 const unsigned char *s;
790 unsigned long hash;
791 unsigned int c;
792 unsigned int len;
794 hash = 0;
795 len = 0;
796 s = (const unsigned char *) str;
797 while ((c = *s++) != '\0')
798 {
799 hash += c + (c << 17);
800 hash ^= hash >> 2;
801 ++len;
802 }
803 hash += len + (len << 17);
804 hash ^= hash >> 2;
806 return hash;
807 }
809 /* Use the output file to create a image base for relocatable DLLs. */
811 static bfd_vma
812 compute_dll_image_base (const char *ofile)
813 {
814 bfd_vma hash = (bfd_vma) strhash (ofile);
815 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
816 }
817 #endif
819 /* Assign values to the special symbols before the linker script is
820 read. */
822 static void
823 gld_${EMULATION_NAME}_set_symbols (void)
824 {
825 /* Run through and invent symbols for all the
826 names and insert the defaults. */
827 int j;
829 is_underscoring ();
831 if (!init[IMAGEBASEOFF].inited)
832 {
833 if (link_info.relocatable)
834 init[IMAGEBASEOFF].value = 0;
835 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
836 {
837 #ifdef DLL_SUPPORT
838 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
839 ? compute_dll_image_base (output_filename)
840 : NT_DLL_IMAGE_BASE);
841 #else
842 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
843 #endif
844 }
845 else
846 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
847 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
848 }
850 /* Don't do any symbol assignments if this is a relocatable link. */
851 if (link_info.relocatable)
852 return;
854 /* Glue the assignments into the abs section. */
855 push_stat_ptr (&abs_output_section->children);
857 for (j = 0; init[j].ptr; j++)
858 {
859 bfd_vma val = init[j].value;
860 lang_assignment_statement_type *rv;
862 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
863 exp_intop (val)));
864 if (init[j].size == sizeof (short))
865 *(short *) init[j].ptr = (short) val;
866 else if (init[j].size == sizeof (int))
867 *(int *) init[j].ptr = (int) val;
868 else if (init[j].size == sizeof (long))
869 *(long *) init[j].ptr = (long) val;
870 /* This might be a long long or other special type. */
871 else if (init[j].size == sizeof (bfd_vma))
872 *(bfd_vma *) init[j].ptr = val;
873 else abort ();
874 if (j == IMAGEBASEOFF)
875 image_base_statement = rv;
876 }
877 /* Restore the pointer. */
878 pop_stat_ptr ();
880 if (pep.FileAlignment > pep.SectionAlignment)
881 {
882 einfo (_("%P: warning, file alignment > section alignment.\n"));
883 }
884 }
886 /* This is called after the linker script and the command line options
887 have been read. */
889 static void
890 gld_${EMULATION_NAME}_after_parse (void)
891 {
892 /* PR ld/6744: Warn the user if they have used an ELF-only
893 option hoping it will work on PE+. */
894 if (link_info.export_dynamic)
895 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
896 "targets, did you mean --export-all-symbols?\n"));
898 set_entry_point ();
900 after_parse_default ();
901 }
903 /* pep-dll.c directly accesses pep_data_import_dll,
904 so it must be defined outside of #ifdef DLL_SUPPORT.
905 Note - this variable is deliberately not initialised.
906 This allows it to be treated as a common varaible, and only
907 exist in one incarnation in a multiple target enabled linker. */
908 char * pep_data_import_dll;
910 #ifdef DLL_SUPPORT
911 static struct bfd_link_hash_entry *pep_undef_found_sym;
913 static bfd_boolean
914 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
915 {
916 int sl;
917 char *string = inf;
918 const char *hs = h->root.string;
920 sl = strlen (string);
921 if (h->type == bfd_link_hash_defined
922 && ((*hs == '@' && *string == '_'
923 && strncmp (hs + 1, string + 1, sl - 1) == 0)
924 || strncmp (hs, string, sl) == 0)
925 && h->root.string[sl] == '@')
926 {
927 pep_undef_found_sym = h;
928 return FALSE;
929 }
930 return TRUE;
931 }
933 static void
934 pep_fixup_stdcalls (void)
935 {
936 static int gave_warning_message = 0;
937 struct bfd_link_hash_entry *undef, *sym;
939 if (pep_dll_extra_pe_debug)
940 printf ("%s\n", __FUNCTION__);
942 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
943 if (undef->type == bfd_link_hash_undefined)
944 {
945 char* at = strchr (undef->root.string, '@');
946 int lead_at = (*undef->root.string == '@');
947 if (lead_at)
948 at = strchr (undef->root.string + 1, '@');
949 if (at || lead_at)
950 {
951 /* The symbol is a stdcall symbol, so let's look for a
952 cdecl symbol with the same name and resolve to that. */
953 char *cname = xstrdup (undef->root.string);
955 if (lead_at)
956 *cname = '_';
957 at = strchr (cname, '@');
958 if (at)
959 *at = 0;
960 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
962 if (sym && sym->type == bfd_link_hash_defined)
963 {
964 undef->type = bfd_link_hash_defined;
965 undef->u.def.value = sym->u.def.value;
966 undef->u.def.section = sym->u.def.section;
968 if (pep_enable_stdcall_fixup == -1)
969 {
970 einfo (_("Warning: resolving %s by linking to %s\n"),
971 undef->root.string, cname);
972 if (! gave_warning_message)
973 {
974 gave_warning_message = 1;
975 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
976 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
977 }
978 }
979 }
980 }
981 else
982 {
983 /* The symbol is a cdecl symbol, so we look for stdcall
984 symbols - which means scanning the whole symbol table. */
985 pep_undef_found_sym = 0;
986 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
987 (char *) undef->root.string);
988 sym = pep_undef_found_sym;
989 if (sym)
990 {
991 undef->type = bfd_link_hash_defined;
992 undef->u.def.value = sym->u.def.value;
993 undef->u.def.section = sym->u.def.section;
995 if (pep_enable_stdcall_fixup == -1)
996 {
997 einfo (_("Warning: resolving %s by linking to %s\n"),
998 undef->root.string, sym->root.string);
999 if (! gave_warning_message)
1000 {
1001 gave_warning_message = 1;
1002 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1003 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1004 }
1005 }
1006 }
1007 }
1008 }
1009 }
1011 static int
1012 make_import_fixup (arelent *rel, asection *s)
1013 {
1014 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1015 char addend[8];
1016 bfd_vma _addend = 0;
1017 int suc = 0;
1019 if (pep_dll_extra_pe_debug)
1020 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1021 (unsigned long) rel->address, (long) rel->addend);
1023 memset (addend, 0, sizeof (addend));
1024 switch ((rel->howto->bitsize))
1025 {
1026 case 8:
1027 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
1028 if (suc && rel->howto->pc_relative)
1029 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
1030 else if (suc)
1031 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
1032 break;
1033 case 16:
1034 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
1035 if (suc && rel->howto->pc_relative)
1036 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
1037 else if (suc)
1038 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
1039 break;
1040 case 32:
1041 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
1042 if (suc && rel->howto->pc_relative)
1043 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
1044 else if (suc)
1045 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
1046 break;
1047 case 64:
1048 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
1049 if (suc)
1050 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
1051 break;
1052 }
1053 if (! suc)
1054 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1055 s->owner, s, rel->address);
1057 if (pep_dll_extra_pe_debug)
1058 {
1059 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
1060 if (rel->howto->pc_relative) printf (" pcrel");
1061 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
1062 }
1063 pep_create_import_fixup (rel, s, _addend);
1065 return 1;
1066 }
1068 static void
1069 pep_find_data_imports (void)
1070 {
1071 struct bfd_link_hash_entry *undef, *sym;
1073 if (link_info.pei386_auto_import == 0)
1074 return;
1076 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1077 {
1078 if (undef->type == bfd_link_hash_undefined)
1079 {
1080 /* C++ symbols are *long*. */
1081 char buf[4096];
1083 if (pep_dll_extra_pe_debug)
1084 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1086 sprintf (buf, "__imp_%s", undef->root.string);
1088 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1090 if (sym && sym->type == bfd_link_hash_defined)
1091 {
1092 bfd *b = sym->u.def.section->owner;
1093 asymbol **symbols;
1094 int nsyms, i;
1096 if (!bfd_generic_link_read_symbols (b))
1097 {
1098 einfo (_("%B%F: could not read symbols: %E\n"), b);
1099 return;
1100 }
1102 symbols = bfd_get_outsymbols (b);
1103 nsyms = bfd_get_symcount (b);
1105 for (i = 0; i < nsyms; i++)
1106 {
1107 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
1108 continue;
1110 if (pep_dll_extra_pe_debug)
1111 printf ("->%s\n", symbols[i]->name);
1113 pep_data_import_dll = (char*) (symbols[i]->name +
1114 U_SIZE ("_head_") - 1);
1115 break;
1116 }
1118 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1119 make_import_fixup);
1121 /* Let's differentiate it somehow from defined. */
1122 undef->type = bfd_link_hash_defweak;
1123 /* We replace original name with __imp_ prefixed, this
1124 1) may trash memory 2) leads to duplicate symbol generation.
1125 Still, IMHO it's better than having name poluted. */
1126 undef->root.string = sym->root.string;
1127 undef->u.def.value = sym->u.def.value;
1128 undef->u.def.section = sym->u.def.section;
1129 }
1130 }
1131 }
1132 }
1134 static bfd_boolean
1135 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1136 {
1137 if (pep_dll_extra_pe_debug)
1138 printf ("+%s\n", h->string);
1140 return TRUE;
1141 }
1142 #endif /* DLL_SUPPORT */
1144 static void
1145 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1146 {
1147 int *found = (int *) obj;
1148 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1149 *found = 1;
1150 }
1152 static void
1153 gld_${EMULATION_NAME}_after_open (void)
1154 {
1155 after_open_default ();
1157 is_underscoring ();
1158 #ifdef DLL_SUPPORT
1159 if (pep_dll_extra_pe_debug)
1160 {
1161 bfd *a;
1162 struct bfd_link_hash_entry *sym;
1164 printf ("%s()\n", __FUNCTION__);
1166 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1167 printf ("-%s\n", sym->root.string);
1168 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1170 for (a = link_info.input_bfds; a; a = a->link_next)
1171 printf ("*%s\n",a->filename);
1172 }
1173 #endif
1175 /* Pass the wacky PE command line options into the output bfd.
1176 FIXME: This should be done via a function, rather than by
1177 including an internal BFD header. */
1179 if (coff_data (link_info.output_bfd) == NULL
1180 || coff_data (link_info.output_bfd)->pe == 0)
1181 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1182 link_info.output_bfd);
1184 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1185 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1186 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1188 /* At this point we must decide whether to use long section names
1189 in the output or not. If the user hasn't explicitly specified
1190 on the command line, we leave it to the default for the format
1191 (object files yes, image files no), except if there is debug
1192 information present; GDB relies on the long section names to
1193 find it, so enable it in that case. */
1194 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1195 {
1196 /* Iterate over all sections of all input BFDs, checking
1197 for any that begin 'debug_' and are long names. */
1198 LANG_FOR_EACH_INPUT_STATEMENT (is)
1199 {
1200 int found_debug = 0;
1201 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1202 if (found_debug)
1203 {
1204 pep_use_coff_long_section_names = 1;
1205 break;
1206 }
1207 }
1208 }
1210 pep_output_file_set_long_section_names (link_info.output_bfd);
1212 #ifdef DLL_SUPPORT
1213 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1214 pep_fixup_stdcalls ();
1216 pep_process_import_defs (link_info.output_bfd, &link_info);
1218 pep_find_data_imports ();
1220 /* As possibly new symbols are added by imports, we rerun
1221 stdcall/fastcall fixup here. */
1222 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1223 pep_fixup_stdcalls ();
1225 #ifndef TARGET_IS_i386pep
1226 if (link_info.shared)
1227 #else
1228 if (!link_info.relocatable)
1229 #endif
1230 pep_dll_build_sections (link_info.output_bfd, &link_info);
1232 #ifndef TARGET_IS_i386pep
1233 else
1234 pep_exe_build_sections (link_info.output_bfd, &link_info);
1235 #endif
1236 #endif /* DLL_SUPPORT */
1238 {
1239 /* This next chunk of code tries to detect the case where you have
1240 two import libraries for the same DLL (specifically,
1241 symbolically linking libm.a and libc.a in cygwin to
1242 libcygwin.a). In those cases, it's possible for function
1243 thunks from the second implib to be used but without the
1244 head/tail objects, causing an improper import table. We detect
1245 those cases and rename the "other" import libraries to match
1246 the one the head/tail come from, so that the linker will sort
1247 things nicely and produce a valid import table. */
1249 LANG_FOR_EACH_INPUT_STATEMENT (is)
1250 {
1251 if (is->the_bfd->my_archive)
1252 {
1253 int idata2 = 0, reloc_count=0, is_imp = 0;
1254 asection *sec;
1256 /* See if this is an import library thunk. */
1257 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1258 {
1259 if (strcmp (sec->name, ".idata\$2") == 0)
1260 idata2 = 1;
1261 if (CONST_STRNEQ (sec->name, ".idata\$"))
1262 is_imp = 1;
1263 reloc_count += sec->reloc_count;
1264 }
1266 if (is_imp && !idata2 && reloc_count)
1267 {
1268 /* It is, look for the reference to head and see if it's
1269 from our own library. */
1270 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1271 {
1272 int i;
1273 long relsize;
1274 asymbol **symbols;
1275 arelent **relocs;
1276 int nrelocs;
1278 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1279 if (relsize < 1)
1280 break;
1282 if (!bfd_generic_link_read_symbols (is->the_bfd))
1283 {
1284 einfo (_("%B%F: could not read symbols: %E\n"),
1285 is->the_bfd);
1286 return;
1287 }
1288 symbols = bfd_get_outsymbols (is->the_bfd);
1290 relocs = xmalloc ((size_t) relsize);
1291 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1292 relocs, symbols);
1293 if (nrelocs < 0)
1294 {
1295 free (relocs);
1296 einfo ("%X%P: unable to process relocs: %E\n");
1297 return;
1298 }
1300 for (i = 0; i < nrelocs; i++)
1301 {
1302 struct bfd_symbol *s;
1303 struct bfd_link_hash_entry * blhe;
1304 char *other_bfd_filename;
1305 char *n;
1307 s = (relocs[i]->sym_ptr_ptr)[0];
1309 if (s->flags & BSF_LOCAL)
1310 continue;
1312 /* Thunk section with reloc to another bfd. */
1313 blhe = bfd_link_hash_lookup (link_info.hash,
1314 s->name,
1315 FALSE, FALSE, TRUE);
1317 if (blhe == NULL
1318 || blhe->type != bfd_link_hash_defined)
1319 continue;
1321 other_bfd_filename
1322 = blhe->u.def.section->owner->my_archive
1323 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1324 : bfd_get_filename (blhe->u.def.section->owner);
1326 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1327 other_bfd_filename) == 0)
1328 continue;
1330 /* Rename this implib to match the other one. */
1331 n = xmalloc (strlen (other_bfd_filename) + 1);
1332 strcpy (n, other_bfd_filename);
1333 is->the_bfd->my_archive->filename = n;
1334 }
1336 free (relocs);
1337 /* Note - we do not free the symbols,
1338 they are now cached in the BFD. */
1339 }
1340 }
1341 }
1342 }
1343 }
1345 {
1346 int is_ms_arch = 0;
1347 bfd *cur_arch = 0;
1348 lang_input_statement_type *is2;
1349 lang_input_statement_type *is3;
1351 /* Careful - this is a shell script. Watch those dollar signs! */
1352 /* Microsoft import libraries have every member named the same,
1353 and not in the right order for us to link them correctly. We
1354 must detect these and rename the members so that they'll link
1355 correctly. There are three types of objects: the head, the
1356 thunks, and the sentinel(s). The head is easy; it's the one
1357 with idata2. We assume that the sentinels won't have relocs,
1358 and the thunks will. It's easier than checking the symbol
1359 table for external references. */
1360 LANG_FOR_EACH_INPUT_STATEMENT (is)
1361 {
1362 if (is->the_bfd->my_archive)
1363 {
1364 char *pnt;
1365 bfd *arch = is->the_bfd->my_archive;
1367 if (cur_arch != arch)
1368 {
1369 cur_arch = arch;
1370 is_ms_arch = 1;
1372 for (is3 = is;
1373 is3 && is3->the_bfd->my_archive == arch;
1374 is3 = (lang_input_statement_type *) is3->next)
1375 {
1376 /* A MS dynamic import library can also contain static
1377 members, so look for the first element with a .dll
1378 extension, and use that for the remainder of the
1379 comparisons. */
1380 pnt = strrchr (is3->the_bfd->filename, '.');
1381 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1382 break;
1383 }
1385 if (is3 == NULL)
1386 is_ms_arch = 0;
1387 else
1388 {
1389 /* OK, found one. Now look to see if the remaining
1390 (dynamic import) members use the same name. */
1391 for (is2 = is;
1392 is2 && is2->the_bfd->my_archive == arch;
1393 is2 = (lang_input_statement_type *) is2->next)
1394 {
1395 /* Skip static members, ie anything with a .obj
1396 extension. */
1397 pnt = strrchr (is2->the_bfd->filename, '.');
1398 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1399 continue;
1401 if (strcmp (is3->the_bfd->filename,
1402 is2->the_bfd->filename))
1403 {
1404 is_ms_arch = 0;
1405 break;
1406 }
1407 }
1408 }
1409 }
1411 /* This fragment might have come from an .obj file in a Microsoft
1412 import, and not an actual import record. If this is the case,
1413 then leave the filename alone. */
1414 pnt = strrchr (is->the_bfd->filename, '.');
1416 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1417 {
1418 int idata2 = 0, reloc_count=0;
1419 asection *sec;
1420 char *new_name, seq;
1422 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1423 {
1424 if (strcmp (sec->name, ".idata\$2") == 0)
1425 idata2 = 1;
1426 reloc_count += sec->reloc_count;
1427 }
1429 if (idata2) /* .idata2 is the TOC */
1430 seq = 'a';
1431 else if (reloc_count > 0) /* thunks */
1432 seq = 'b';
1433 else /* sentinel */
1434 seq = 'c';
1436 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1437 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1438 is->the_bfd->filename = new_name;
1440 new_name = xmalloc (strlen (is->filename) + 3);
1441 sprintf (new_name, "%s.%c", is->filename, seq);
1442 is->filename = new_name;
1443 }
1444 }
1445 }
1446 }
1447 }
1448 \f
1449 static void
1450 gld_${EMULATION_NAME}_before_allocation (void)
1451 {
1452 is_underscoring ();
1453 before_allocation_default ();
1454 }
1455 \f
1456 #ifdef DLL_SUPPORT
1457 /* This is called when an input file isn't recognized as a BFD. We
1458 check here for .DEF files and pull them in automatically. */
1460 static int
1461 saw_option (char *option)
1462 {
1463 int i;
1465 is_underscoring ();
1467 for (i = 0; init[i].ptr; i++)
1468 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1469 return init[i].inited;
1470 return 0;
1471 }
1472 #endif /* DLL_SUPPORT */
1474 static bfd_boolean
1475 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1476 {
1477 #ifdef DLL_SUPPORT
1478 const char *ext = entry->filename + strlen (entry->filename) - 4;
1480 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1481 {
1482 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1484 if (pep_def_file)
1485 {
1486 int i, buflen=0, len;
1487 char *buf;
1489 for (i = 0; i < pep_def_file->num_exports; i++)
1490 {
1491 len = strlen (pep_def_file->exports[i].internal_name);
1492 if (buflen < len + 2)
1493 buflen = len + 2;
1494 }
1496 buf = xmalloc (buflen);
1498 for (i = 0; i < pep_def_file->num_exports; i++)
1499 {
1500 struct bfd_link_hash_entry *h;
1502 sprintf (buf, "%s%s", U (""),
1503 pep_def_file->exports[i].internal_name);
1505 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1506 if (h == (struct bfd_link_hash_entry *) NULL)
1507 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1508 if (h->type == bfd_link_hash_new)
1509 {
1510 h->type = bfd_link_hash_undefined;
1511 h->u.undef.abfd = NULL;
1512 bfd_link_add_undef (link_info.hash, h);
1513 }
1514 }
1515 free (buf);
1517 /* def_file_print (stdout, pep_def_file); */
1518 if (pep_def_file->is_dll == 1)
1519 link_info.shared = 1;
1521 if (pep_def_file->base_address != (bfd_vma)(-1))
1522 {
1523 pep.ImageBase
1524 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1525 = init[IMAGEBASEOFF].value
1526 = pep_def_file->base_address;
1527 init[IMAGEBASEOFF].inited = 1;
1528 if (image_base_statement)
1529 image_base_statement->exp = exp_assign ("__image_base__",
1530 exp_intop (pep.ImageBase));
1531 }
1533 if (pep_def_file->stack_reserve != -1
1534 && ! saw_option ("__size_of_stack_reserve__"))
1535 {
1536 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1537 if (pep_def_file->stack_commit != -1)
1538 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1539 }
1540 if (pep_def_file->heap_reserve != -1
1541 && ! saw_option ("__size_of_heap_reserve__"))
1542 {
1543 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1544 if (pep_def_file->heap_commit != -1)
1545 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1546 }
1547 return TRUE;
1548 }
1549 }
1550 #endif
1551 return FALSE;
1552 }
1554 static bfd_boolean
1555 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1556 {
1557 is_underscoring ();
1558 #ifdef DLL_SUPPORT
1559 #ifdef TARGET_IS_i386pep
1560 pep_dll_id_target ("pei-x86-64");
1561 #endif
1562 if (pep_bfd_is_dll (entry->the_bfd))
1563 return pep_implied_import_dll (entry->filename);
1564 #endif
1565 return FALSE;
1566 }
1568 static void
1569 gld_${EMULATION_NAME}_finish (void)
1570 {
1571 is_underscoring ();
1572 finish_default ();
1574 #ifdef DLL_SUPPORT
1575 if (link_info.shared
1576 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1577 {
1578 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1579 if (pep_implib_filename)
1580 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1581 }
1583 if (pep_out_def_filename)
1584 pep_dll_generate_def_file (pep_out_def_filename);
1585 #endif /* DLL_SUPPORT */
1587 /* I don't know where .idata gets set as code, but it shouldn't be. */
1588 {
1589 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1591 if (asec)
1592 {
1593 asec->flags &= ~SEC_CODE;
1594 asec->flags |= SEC_DATA;
1595 }
1596 }
1597 }
1599 \f
1600 /* Place an orphan section.
1602 We use this to put sections in a reasonable place in the file, and
1603 to ensure that they are aligned as required.
1605 We handle grouped sections here as well. A section named .foo\$nn
1606 goes into the output section .foo. All grouped sections are sorted
1607 by name.
1609 Grouped sections for the default sections are handled by the
1610 default linker script using wildcards, and are sorted by
1611 sort_sections. */
1613 static lang_output_section_statement_type *
1614 gld_${EMULATION_NAME}_place_orphan (asection *s,
1615 const char *secname,
1616 int constraint)
1617 {
1618 const char *orig_secname = secname;
1619 char *dollar = NULL;
1620 lang_output_section_statement_type *os;
1621 lang_statement_list_type add_child;
1622 lang_output_section_statement_type *match_by_name = NULL;
1623 lang_statement_union_type **pl;
1625 /* Look through the script to see where to place this section. */
1626 if (!link_info.relocatable
1627 && (dollar = strchr (secname, '\$')) != NULL)
1628 {
1629 size_t len = dollar - secname;
1630 char *newname = xmalloc (len + 1);
1631 memcpy (newname, secname, len);
1632 newname[len] = '\0';
1633 secname = newname;
1634 }
1636 lang_list_init (&add_child);
1638 os = NULL;
1639 if (constraint == 0)
1640 for (os = lang_output_section_find (secname);
1641 os != NULL;
1642 os = next_matching_output_section_statement (os, 0))
1643 {
1644 /* If we don't match an existing output section, tell
1645 lang_insert_orphan to create a new output section. */
1646 constraint = SPECIAL;
1648 if (os->bfd_section != NULL
1649 && (os->bfd_section->flags == 0
1650 || ((s->flags ^ os->bfd_section->flags)
1651 & (SEC_LOAD | SEC_ALLOC)) == 0))
1652 {
1653 /* We already have an output section statement with this
1654 name, and its bfd section has compatible flags.
1655 If the section already exists but does not have any flags set,
1656 then it has been created by the linker, probably as a result of
1657 a --section-start command line switch. */
1658 lang_add_section (&add_child, s, os);
1659 break;
1660 }
1662 /* Save unused output sections in case we can match them
1663 against orphans later. */
1664 if (os->bfd_section == NULL)
1665 match_by_name = os;
1666 }
1668 /* If we didn't match an active output section, see if we matched an
1669 unused one and use that. */
1670 if (os == NULL && match_by_name)
1671 {
1672 lang_add_section (&match_by_name->children, s, match_by_name);
1673 return match_by_name;
1674 }
1676 if (os == NULL)
1677 {
1678 static struct orphan_save hold[] =
1679 {
1680 { ".text",
1681 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1682 0, 0, 0, 0 },
1683 { ".idata",
1684 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1685 0, 0, 0, 0 },
1686 { ".rdata",
1687 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1688 0, 0, 0, 0 },
1689 { ".data",
1690 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1691 0, 0, 0, 0 },
1692 { ".bss",
1693 SEC_ALLOC,
1694 0, 0, 0, 0 }
1695 };
1696 enum orphan_save_index
1697 {
1698 orphan_text = 0,
1699 orphan_idata,
1700 orphan_rodata,
1701 orphan_data,
1702 orphan_bss
1703 };
1704 static int orphan_init_done = 0;
1705 struct orphan_save *place;
1706 lang_output_section_statement_type *after;
1707 etree_type *address;
1709 if (!orphan_init_done)
1710 {
1711 struct orphan_save *ho;
1712 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1713 if (ho->name != NULL)
1714 {
1715 ho->os = lang_output_section_find (ho->name);
1716 if (ho->os != NULL && ho->os->flags == 0)
1717 ho->os->flags = ho->flags;
1718 }
1719 orphan_init_done = 1;
1720 }
1722 /* Try to put the new output section in a reasonable place based
1723 on the section name and section flags. */
1725 place = NULL;
1726 if ((s->flags & SEC_ALLOC) == 0)
1727 ;
1728 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1729 place = &hold[orphan_bss];
1730 else if ((s->flags & SEC_READONLY) == 0)
1731 place = &hold[orphan_data];
1732 else if ((s->flags & SEC_CODE) == 0)
1733 {
1734 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1735 : &hold[orphan_rodata]);
1736 }
1737 else
1738 place = &hold[orphan_text];
1740 after = NULL;
1741 if (place != NULL)
1742 {
1743 if (place->os == NULL)
1744 place->os = lang_output_section_find (place->name);
1745 after = place->os;
1746 if (after == NULL)
1747 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1748 if (after == NULL)
1749 /* *ABS* is always the first output section statement. */
1750 after = (&lang_output_section_statement.head
1751 ->output_section_statement);
1752 }
1754 /* All sections in an executable must be aligned to a page boundary. */
1755 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1756 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1757 &add_child);
1758 }
1760 /* If the section name has a '\$', sort it with the other '\$'
1761 sections. */
1762 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1763 {
1764 lang_input_section_type *ls;
1765 const char *lname;
1767 if ((*pl)->header.type != lang_input_section_enum)
1768 continue;
1770 ls = &(*pl)->input_section;
1772 lname = bfd_get_section_name (ls->section->owner, ls->section);
1773 if (strchr (lname, '\$') != NULL
1774 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1775 break;
1776 }
1778 if (add_child.head != NULL)
1779 {
1780 *add_child.tail = *pl;
1781 *pl = add_child.head;
1782 }
1784 return os;
1785 }
1787 static bfd_boolean
1788 gld_${EMULATION_NAME}_open_dynamic_archive
1789 (const char *arch ATTRIBUTE_UNUSED,
1790 search_dirs_type *search,
1791 lang_input_statement_type *entry)
1792 {
1793 static const struct
1794 {
1795 const char * format;
1796 bfd_boolean use_prefix;
1797 }
1798 libname_fmt [] =
1799 {
1800 /* Preferred explicit import library for dll's. */
1801 { "lib%s.dll.a", FALSE },
1802 /* Alternate explicit import library for dll's. */
1803 { "%s.dll.a", FALSE },
1804 /* "libfoo.a" could be either an import lib or a static lib.
1805 For backwards compatibility, libfoo.a needs to precede
1806 libfoo.dll and foo.dll in the search. */
1807 { "lib%s.a", FALSE },
1808 /* The 'native' spelling of an import lib name is "foo.lib". */
1809 { "%s.lib", FALSE },
1810 #ifdef DLL_SUPPORT
1811 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1812 { "%s%s.dll", TRUE },
1813 #endif
1814 /* Try "libfoo.dll" (default preferred dll name). */
1815 { "lib%s.dll", FALSE },
1816 /* Finally try 'native' dll name "foo.dll". */
1817 { "%s.dll", FALSE },
1818 /* Note: If adding more formats to this table, make sure to check to
1819 see if their length is longer than libname_fmt[0].format, and if
1820 so, update the call to xmalloc() below. */
1821 { NULL, FALSE }
1822 };
1823 static unsigned int format_max_len = 0;
1824 const char * filename;
1825 char * full_string;
1826 char * base_string;
1827 unsigned int i;
1830 if (! entry->maybe_archive)
1831 return FALSE;
1833 filename = entry->filename;
1835 if (format_max_len == 0)
1836 /* We need to allow space in the memory that we are going to allocate
1837 for the characters in the format string. Since the format array is
1838 static we only need to calculate this information once. In theory
1839 this value could also be computed statically, but this introduces
1840 the possibility for a discrepancy and hence a possible memory
1841 corruption. The lengths we compute here will be too long because
1842 they will include any formating characters (%s) in the strings, but
1843 this will not matter. */
1844 for (i = 0; libname_fmt[i].format; i++)
1845 if (format_max_len < strlen (libname_fmt[i].format))
1846 format_max_len = strlen (libname_fmt[i].format);
1848 full_string = xmalloc (strlen (search->name)
1849 + strlen (filename)
1850 + format_max_len
1851 #ifdef DLL_SUPPORT
1852 + (pep_dll_search_prefix
1853 ? strlen (pep_dll_search_prefix) : 0)
1854 #endif
1855 /* Allow for the terminating NUL and for the path
1856 separator character that is inserted between
1857 search->name and the start of the format string. */
1858 + 2);
1860 sprintf (full_string, "%s/", search->name);
1861 base_string = full_string + strlen (full_string);
1863 for (i = 0; libname_fmt[i].format; i++)
1864 {
1865 #ifdef DLL_SUPPORT
1866 if (libname_fmt[i].use_prefix)
1867 {
1868 if (!pep_dll_search_prefix)
1869 continue;
1870 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1871 }
1872 else
1873 #endif
1874 sprintf (base_string, libname_fmt[i].format, filename);
1876 if (ldfile_try_open_bfd (full_string, entry))
1877 break;
1878 }
1880 if (!libname_fmt[i].format)
1881 {
1882 free (full_string);
1883 return FALSE;
1884 }
1886 entry->filename = full_string;
1888 return TRUE;
1889 }
1891 static int
1892 gld_${EMULATION_NAME}_find_potential_libraries
1893 (char *name, lang_input_statement_type *entry)
1894 {
1895 return ldfile_open_file_search (name, entry, "", ".lib");
1896 }
1897 \f
1898 static char *
1899 gld_${EMULATION_NAME}_get_script (int *isfile)
1900 EOF
1901 # Scripts compiled in.
1902 # sed commands to quote an ld script as a C string.
1903 sc="-f stringify.sed"
1905 fragment <<EOF
1906 {
1907 *isfile = 0;
1909 if (link_info.relocatable && config.build_constructors)
1910 return
1911 EOF
1912 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1913 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1914 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1915 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1916 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1917 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1918 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1919 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1920 echo ' ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return' >> e${EMULATION_NAME}.c
1921 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1922 fi
1923 echo ' ; else return' >> e${EMULATION_NAME}.c
1924 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1925 echo '; }' >> e${EMULATION_NAME}.c
1927 fragment <<EOF
1930 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1931 {
1932 gld_${EMULATION_NAME}_before_parse,
1933 syslib_default,
1934 hll_default,
1935 gld_${EMULATION_NAME}_after_parse,
1936 gld_${EMULATION_NAME}_after_open,
1937 after_allocation_default,
1938 set_output_arch_default,
1939 ldemul_default_target,
1940 gld_${EMULATION_NAME}_before_allocation,
1941 gld_${EMULATION_NAME}_get_script,
1942 "${EMULATION_NAME}",
1943 "${OUTPUT_FORMAT}",
1944 gld_${EMULATION_NAME}_finish,
1945 NULL, /* Create output section statements. */
1946 gld_${EMULATION_NAME}_open_dynamic_archive,
1947 gld_${EMULATION_NAME}_place_orphan,
1948 gld_${EMULATION_NAME}_set_symbols,
1949 NULL, /* parse_args */
1950 gld${EMULATION_NAME}_add_options,
1951 gld${EMULATION_NAME}_handle_option,
1952 gld_${EMULATION_NAME}_unrecognized_file,
1953 gld_${EMULATION_NAME}_list_options,
1954 gld_${EMULATION_NAME}_recognized_file,
1955 gld_${EMULATION_NAME}_find_potential_libraries,
1956 NULL /* new_vers_pattern. */
1957 };
1958 EOF