| blob | 4ab748993d22bb2cd78106810e77b298e03bf6a4 |
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 Free Software Foundation, Inc.
12 Written by Kai Tietz, OneVision Software GmbH&CoKg.
14 This file is part of the GNU Binutils.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 3 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
32 /* For WINDOWS_XP64 and higher */
33 /* Based on pe.em, but modified for 64 bit support. */
35 #define TARGET_IS_${EMULATION_NAME}
37 #define COFF_IMAGE_WITH_PE
38 #define COFF_WITH_PE
39 #define COFF_WITH_pex64
41 #include "sysdep.h"
42 #include "bfd.h"
43 #include "bfdlink.h"
44 #include "getopt.h"
45 #include "libiberty.h"
46 #include "ld.h"
47 #include "ldmain.h"
48 #include "ldexp.h"
49 #include "ldlang.h"
50 #include "ldfile.h"
51 #include "ldemul.h"
52 #include <ldgram.h>
53 #include "ldlex.h"
54 #include "ldmisc.h"
55 #include "ldctor.h"
56 #include "coff/internal.h"
58 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
59 header in generic PE code. */
60 #include "coff/x86_64.h"
61 #include "coff/pe.h"
63 /* FIXME: This is a BFD internal header file, and we should not be
64 using it here. */
65 #include "../bfd/libcoff.h"
67 #undef AOUTSZ
68 #define AOUTSZ PEPAOUTSZ
69 #define PEAOUTHDR PEPAOUTHDR
71 #include "deffile.h"
72 #include "pep-dll.h"
73 #include "safe-ctype.h"
75 /* Permit the emulation parameters to override the default section
76 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
77 it seem that include/coff/internal.h should not define
78 PE_DEF_SECTION_ALIGNMENT. */
79 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
80 #undef PE_DEF_SECTION_ALIGNMENT
81 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
82 #endif
84 #ifdef TARGET_IS_i386pep
85 #define DLL_SUPPORT
86 #endif
88 #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
89 #define PE_DEF_SUBSYSTEM 3
90 #else
91 #undef NT_EXE_IMAGE_BASE
92 #define NT_EXE_IMAGE_BASE 0x00010000
93 #undef PE_DEF_SECTION_ALIGNMENT
94 #define PE_DEF_SUBSYSTEM 2
95 #undef PE_DEF_FILE_ALIGNMENT
96 #define PE_DEF_FILE_ALIGNMENT 0x00000200
97 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
98 #endif
100 static struct internal_extra_pe_aouthdr pep;
101 static int dll;
102 static int pep_subsystem = ${SUBSYSTEM};
103 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
104 static int support_old_code = 0;
105 static lang_assignment_statement_type *image_base_statement = 0;
106 static unsigned short pe_dll_characteristics = 0;
108 #ifdef DLL_SUPPORT
109 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
110 static char * pep_out_def_filename = NULL;
111 static char * pep_implib_filename = NULL;
112 static int pep_enable_auto_image_base = 0;
113 static char * pep_dll_search_prefix = NULL;
114 #endif
116 extern const char *output_filename;
118 static int is_underscoring (void)
119 {
120 int u = 0;
121 if (pep_leading_underscore != -1)
122 return pep_leading_underscore;
123 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
124 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
126 if (u == -1)
127 abort ();
128 pep_leading_underscore = (u != 0 ? 1 : 0);
129 return pep_leading_underscore;
130 }
133 static void
134 gld_${EMULATION_NAME}_before_parse (void)
135 {
136 is_underscoring ();
137 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
138 output_filename = "${EXECUTABLE_NAME:-a.exe}";
139 #ifdef DLL_SUPPORT
140 config.dynamic_link = TRUE;
141 config.has_shared = 1;
142 link_info.pei386_auto_import = 1;
143 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
144 #endif
145 }
146 \f
147 /* PE format extra command line options. */
149 /* Used for setting flags in the PE header. */
150 enum options
151 {
152 OPTION_BASE_FILE = 300 + 1,
153 OPTION_DLL,
154 OPTION_FILE_ALIGNMENT,
155 OPTION_IMAGE_BASE,
156 OPTION_MAJOR_IMAGE_VERSION,
157 OPTION_MAJOR_OS_VERSION,
158 OPTION_MAJOR_SUBSYSTEM_VERSION,
159 OPTION_MINOR_IMAGE_VERSION,
160 OPTION_MINOR_OS_VERSION,
161 OPTION_MINOR_SUBSYSTEM_VERSION,
162 OPTION_SECTION_ALIGNMENT,
163 OPTION_STACK,
164 OPTION_SUBSYSTEM,
165 OPTION_HEAP,
166 OPTION_SUPPORT_OLD_CODE,
167 OPTION_OUT_DEF,
168 OPTION_EXPORT_ALL,
169 OPTION_EXCLUDE_SYMBOLS,
170 OPTION_EXCLUDE_ALL_SYMBOLS,
171 OPTION_KILL_ATS,
172 OPTION_STDCALL_ALIASES,
173 OPTION_ENABLE_STDCALL_FIXUP,
174 OPTION_DISABLE_STDCALL_FIXUP,
175 OPTION_IMPLIB_FILENAME,
176 OPTION_WARN_DUPLICATE_EXPORTS,
177 OPTION_IMP_COMPAT,
178 OPTION_ENABLE_AUTO_IMAGE_BASE,
179 OPTION_DISABLE_AUTO_IMAGE_BASE,
180 OPTION_DLL_SEARCH_PREFIX,
181 OPTION_NO_DEFAULT_EXCLUDES,
182 OPTION_DLL_ENABLE_AUTO_IMPORT,
183 OPTION_DLL_DISABLE_AUTO_IMPORT,
184 OPTION_ENABLE_EXTRA_PE_DEBUG,
185 OPTION_EXCLUDE_LIBS,
186 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
187 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
188 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
189 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
190 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
191 OPTION_NO_LEADING_UNDERSCORE,
192 OPTION_LEADING_UNDERSCORE,
193 OPTION_ENABLE_LONG_SECTION_NAMES,
194 OPTION_DISABLE_LONG_SECTION_NAMES,
195 OPTION_DYNAMIC_BASE,
196 OPTION_FORCE_INTEGRITY,
197 OPTION_NX_COMPAT,
198 OPTION_NO_ISOLATION,
199 OPTION_NO_SEH,
200 OPTION_NO_BIND,
201 OPTION_WDM_DRIVER,
202 OPTION_TERMINAL_SERVER_AWARE
203 };
205 static void
206 gld${EMULATION_NAME}_add_options
207 (int ns ATTRIBUTE_UNUSED,
208 char **shortopts ATTRIBUTE_UNUSED,
209 int nl,
210 struct option **longopts,
211 int nrl ATTRIBUTE_UNUSED,
212 struct option **really_longopts ATTRIBUTE_UNUSED)
213 {
214 static const struct option xtra_long[] =
215 {
216 /* PE options */
217 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
218 {"dll", no_argument, NULL, OPTION_DLL},
219 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
220 {"heap", required_argument, NULL, OPTION_HEAP},
221 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
222 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
223 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
224 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
225 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
226 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
227 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
228 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
229 {"stack", required_argument, NULL, OPTION_STACK},
230 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
231 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
232 {"use-nul-prefixed-import-tables", no_argument, NULL,
233 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
234 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
235 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
236 #ifdef DLL_SUPPORT
237 /* getopt allows abbreviations, so we do this to stop it
238 from treating -o as an abbreviation for this option. */
239 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
240 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
241 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
242 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
243 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
244 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
245 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
246 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
247 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
248 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
249 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
250 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
251 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
252 /* getopt() allows abbreviations, so we do this to stop it from
253 treating -c as an abbreviation for these --compat-implib. */
254 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
255 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
256 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
257 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
258 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
259 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
260 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
261 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
262 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
263 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
264 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
265 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
266 #endif
267 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
268 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
269 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
270 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
271 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
272 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
273 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
274 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
275 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
276 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
277 {NULL, no_argument, NULL, 0}
278 };
280 *longopts
281 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
282 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
283 }
285 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
286 parameters which may be input from the command line. */
288 typedef struct
289 {
290 void *ptr;
291 int size;
292 bfd_vma value;
293 char *symbol;
294 int inited;
295 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
296 C visible symbols can be prefixed by underscore dependent on target's
297 settings. */
298 bfd_boolean is_c_symbol;
299 } definfo;
301 #define GET_INIT_SYMBOL_NAME(IDX) \
302 (init[(IDX)].symbol \
303 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () == 1)) ? 0 : 1))
305 /* Decorates the C visible symbol by underscore, if target requires. */
306 #define U(CSTR) \
307 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
309 /* Get size of constant string for a possible underscore prefixed
310 C visible symbol. */
311 #define U_SIZE(CSTR) \
312 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
314 #define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
316 static definfo init[] =
317 {
318 /* imagebase must be first */
319 #define IMAGEBASEOFF 0
320 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
321 #define DLLOFF 1
322 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
323 #define MSIMAGEBASEOFF 2
324 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
325 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
326 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
327 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
328 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
329 D(MajorImageVersion,"__major_image_version__", 0, FALSE),
330 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
331 D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
332 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
333 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
334 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
335 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
336 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
337 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
338 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
339 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
340 { NULL, 0, 0, NULL, 0, FALSE}
341 };
344 static void
345 gld_${EMULATION_NAME}_list_options (FILE *file)
346 {
347 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
348 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
349 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
350 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
351 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
352 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
353 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
354 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
355 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
356 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
357 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
358 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
359 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
360 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
361 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
362 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
363 #ifdef DLL_SUPPORT
364 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
365 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
366 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
367 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
368 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
369 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
370 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
371 fprintf (file, _(" Exclude objects, archive members from auto\n"));
372 fprintf (file, _(" export, place into import library instead.\n"));
373 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
374 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
375 fprintf (file, _(" --out-implib <file> Generate import library\n"));
376 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
377 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
378 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
379 create __imp_<SYMBOL> as well.\n"));
380 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
381 unless user specifies one\n"));
382 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
383 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
384 an importlib, use <string><basename>.dll\n\
385 in preference to lib<basename>.dll \n"));
386 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
387 __imp_sym for DATA references\n"));
388 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
389 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
390 adding pseudo-relocations resolved at\n\
391 runtime.\n"));
392 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
393 auto-imported DATA.\n"));
394 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
395 or linking to DLLs (esp. auto-import)\n"));
396 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
397 executable image files\n"));
398 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
399 in object files\n"));
400 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
401 address space layout randomization (ASLR)\n"));
402 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
403 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
404 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
405 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
406 be called in this image\n"));
407 fprintf (file, _(" --no-bind Do not bind this image\n"));
408 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
409 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
410 #endif
411 }
414 static void
415 set_pep_name (char *name, bfd_vma val)
416 {
417 int i;
418 is_underscoring ();
419 /* Find the name and set it. */
420 for (i = 0; init[i].ptr; i++)
421 {
422 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
423 {
424 init[i].value = val;
425 init[i].inited = 1;
426 if (strcmp (name,"__image_base__") == 0)
427 set_pep_name (U ("__ImageBase"), val);
428 return;
429 }
430 }
431 abort ();
432 }
434 static void
435 set_entry_point (void)
436 {
437 const char *entry;
438 const char *initial_symbol_char;
439 int i;
441 static const struct
442 {
443 const int value;
444 const char *entry;
445 }
446 v[] =
447 {
448 { 1, "NtProcessStartup" },
449 { 2, "WinMainCRTStartup" },
450 { 3, "mainCRTStartup" },
451 { 7, "__PosixProcessStartup" },
452 { 9, "WinMainCRTStartup" },
453 {14, "mainCRTStartup" },
454 { 0, NULL }
455 };
457 /* Entry point name for arbitrary subsystem numbers. */
458 static const char default_entry[] = "mainCRTStartup";
460 if (link_info.shared || dll)
461 {
462 entry = "DllMainCRTStartup";
463 }
464 else
465 {
466 for (i = 0; v[i].entry; i++)
467 if (v[i].value == pep_subsystem)
468 break;
470 /* If no match, use the default. */
471 if (v[i].entry != NULL)
472 entry = v[i].entry;
473 else
474 entry = default_entry;
475 }
477 /* Now we check target's default for getting proper symbol_char. */
478 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
480 if (*initial_symbol_char != '\0')
481 {
482 char *alc_entry;
484 /* lang_default_entry expects its argument to be permanently
485 allocated, so we don't free this string. */
486 alc_entry = xmalloc (strlen (initial_symbol_char)
487 + strlen (entry)
488 + 1);
489 strcpy (alc_entry, initial_symbol_char);
490 strcat (alc_entry, entry);
491 entry = alc_entry;
492 }
494 lang_default_entry (entry);
495 }
497 static void
498 set_pep_subsystem (void)
499 {
500 const char *sver;
501 char *end;
502 int len;
503 int i;
504 unsigned long temp_subsystem;
505 static const struct
506 {
507 const char *name;
508 const int value;
509 }
510 v[] =
511 {
512 { "native", 1 },
513 { "windows", 2 },
514 { "console", 3 },
515 { "posix", 7 },
516 { "wince", 9 },
517 { "xbox", 14 },
518 { NULL, 0 }
519 };
521 /* Check for the presence of a version number. */
522 sver = strchr (optarg, ':');
523 if (sver == NULL)
524 len = strlen (optarg);
525 else
526 {
527 len = sver - optarg;
528 set_pep_name ("__major_subsystem_version__",
529 strtoul (sver + 1, &end, 0));
530 if (*end == '.')
531 set_pep_name ("__minor_subsystem_version__",
532 strtoul (end + 1, &end, 0));
533 if (*end != '\0')
534 einfo (_("%P: warning: bad version number in -subsystem option\n"));
535 }
537 /* Check for numeric subsystem. */
538 temp_subsystem = strtoul (optarg, & end, 0);
539 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
540 {
541 /* Search list for a numeric match to use its entry point. */
542 for (i = 0; v[i].name; i++)
543 if (v[i].value == (int) temp_subsystem)
544 break;
546 /* Use this subsystem. */
547 pep_subsystem = (int) temp_subsystem;
548 }
549 else
550 {
551 /* Search for subsystem by name. */
552 for (i = 0; v[i].name; i++)
553 if (strncmp (optarg, v[i].name, len) == 0
554 && v[i].name[len] == '\0')
555 break;
557 if (v[i].name == NULL)
558 {
559 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
560 return;
561 }
563 pep_subsystem = v[i].value;
564 }
566 set_pep_name ("__subsystem__", pep_subsystem);
568 return;
569 }
572 static void
573 set_pep_value (char *name)
574 {
575 char *end;
577 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
579 if (end == optarg)
580 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
582 optarg = end;
583 }
586 static void
587 set_pep_stack_heap (char *resname, char *comname)
588 {
589 set_pep_value (resname);
591 if (*optarg == ',')
592 {
593 optarg++;
594 set_pep_value (comname);
595 }
596 else if (*optarg)
597 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
598 }
601 static bfd_boolean
602 gld${EMULATION_NAME}_handle_option (int optc)
603 {
604 is_underscoring ();
605 switch (optc)
606 {
607 default:
608 return FALSE;
610 case OPTION_BASE_FILE:
611 link_info.base_file = fopen (optarg, FOPEN_WB);
612 if (link_info.base_file == NULL)
613 {
614 /* xgettext:c-format */
615 fprintf (stderr, _("%s: Can't open base file %s\n"),
616 program_name, optarg);
617 xexit (1);
618 }
619 break;
621 /* PE options. */
622 case OPTION_HEAP:
623 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
624 break;
625 case OPTION_STACK:
626 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
627 break;
628 case OPTION_SUBSYSTEM:
629 set_pep_subsystem ();
630 break;
631 case OPTION_MAJOR_OS_VERSION:
632 set_pep_value ("__major_os_version__");
633 break;
634 case OPTION_MINOR_OS_VERSION:
635 set_pep_value ("__minor_os_version__");
636 break;
637 case OPTION_MAJOR_SUBSYSTEM_VERSION:
638 set_pep_value ("__major_subsystem_version__");
639 break;
640 case OPTION_MINOR_SUBSYSTEM_VERSION:
641 set_pep_value ("__minor_subsystem_version__");
642 break;
643 case OPTION_MAJOR_IMAGE_VERSION:
644 set_pep_value ("__major_image_version__");
645 break;
646 case OPTION_MINOR_IMAGE_VERSION:
647 set_pep_value ("__minor_image_version__");
648 break;
649 case OPTION_FILE_ALIGNMENT:
650 set_pep_value ("__file_alignment__");
651 break;
652 case OPTION_SECTION_ALIGNMENT:
653 set_pep_value ("__section_alignment__");
654 break;
655 case OPTION_DLL:
656 set_pep_name ("__dll__", 1);
657 break;
658 case OPTION_IMAGE_BASE:
659 set_pep_value ("__image_base__");
660 break;
661 case OPTION_SUPPORT_OLD_CODE:
662 support_old_code = 1;
663 break;
664 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
665 pep_use_nul_prefixed_import_tables = TRUE;
666 break;
667 case OPTION_NO_LEADING_UNDERSCORE:
668 pep_leading_underscore = 0;
669 break;
670 case OPTION_LEADING_UNDERSCORE:
671 pep_leading_underscore = 1;
672 break;
673 #ifdef DLL_SUPPORT
674 case OPTION_OUT_DEF:
675 pep_out_def_filename = xstrdup (optarg);
676 break;
677 case OPTION_EXPORT_ALL:
678 pep_dll_export_everything = 1;
679 break;
680 case OPTION_EXCLUDE_SYMBOLS:
681 pep_dll_add_excludes (optarg, EXCLUDESYMS);
682 break;
683 case OPTION_EXCLUDE_ALL_SYMBOLS:
684 pep_dll_exclude_all_symbols = 1;
685 break;
686 case OPTION_EXCLUDE_LIBS:
687 pep_dll_add_excludes (optarg, EXCLUDELIBS);
688 break;
689 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
690 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
691 break;
692 case OPTION_KILL_ATS:
693 pep_dll_kill_ats = 1;
694 break;
695 case OPTION_STDCALL_ALIASES:
696 pep_dll_stdcall_aliases = 1;
697 break;
698 case OPTION_ENABLE_STDCALL_FIXUP:
699 pep_enable_stdcall_fixup = 1;
700 break;
701 case OPTION_DISABLE_STDCALL_FIXUP:
702 pep_enable_stdcall_fixup = 0;
703 break;
704 case OPTION_IMPLIB_FILENAME:
705 pep_implib_filename = xstrdup (optarg);
706 break;
707 case OPTION_WARN_DUPLICATE_EXPORTS:
708 pep_dll_warn_dup_exports = 1;
709 break;
710 case OPTION_IMP_COMPAT:
711 pep_dll_compat_implib = 1;
712 break;
713 case OPTION_ENABLE_AUTO_IMAGE_BASE:
714 pep_enable_auto_image_base = 1;
715 break;
716 case OPTION_DISABLE_AUTO_IMAGE_BASE:
717 pep_enable_auto_image_base = 0;
718 break;
719 case OPTION_DLL_SEARCH_PREFIX:
720 pep_dll_search_prefix = xstrdup (optarg);
721 break;
722 case OPTION_NO_DEFAULT_EXCLUDES:
723 pep_dll_do_default_excludes = 0;
724 break;
725 case OPTION_DLL_ENABLE_AUTO_IMPORT:
726 link_info.pei386_auto_import = 1;
727 break;
728 case OPTION_DLL_DISABLE_AUTO_IMPORT:
729 link_info.pei386_auto_import = 0;
730 break;
731 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
732 link_info.pei386_runtime_pseudo_reloc = 2;
733 break;
734 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
735 link_info.pei386_runtime_pseudo_reloc = 0;
736 break;
737 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
738 link_info.pei386_runtime_pseudo_reloc = 2;
739 break;
740 case OPTION_ENABLE_EXTRA_PE_DEBUG:
741 pep_dll_extra_pe_debug = 1;
742 break;
743 #endif
744 case OPTION_ENABLE_LONG_SECTION_NAMES:
745 pep_use_coff_long_section_names = 1;
746 break;
747 case OPTION_DISABLE_LONG_SECTION_NAMES:
748 pep_use_coff_long_section_names = 0;
749 break;
750 /* Get DLLCharacteristics bits */
751 case OPTION_DYNAMIC_BASE:
752 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
753 break;
754 case OPTION_FORCE_INTEGRITY:
755 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
756 break;
757 case OPTION_NX_COMPAT:
758 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
759 break;
760 case OPTION_NO_ISOLATION:
761 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
762 break;
763 case OPTION_NO_SEH:
764 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
765 break;
766 case OPTION_NO_BIND:
767 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
768 break;
769 case OPTION_WDM_DRIVER:
770 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
771 break;
772 case OPTION_TERMINAL_SERVER_AWARE:
773 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
774 break;
775 }
777 /* Set DLLCharacteristics bits */
778 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
780 return TRUE;
781 }
782 \f
784 #ifdef DLL_SUPPORT
785 static unsigned long
786 strhash (const char *str)
787 {
788 const unsigned char *s;
789 unsigned long hash;
790 unsigned int c;
791 unsigned int len;
793 hash = 0;
794 len = 0;
795 s = (const unsigned char *) str;
796 while ((c = *s++) != '\0')
797 {
798 hash += c + (c << 17);
799 hash ^= hash >> 2;
800 ++len;
801 }
802 hash += len + (len << 17);
803 hash ^= hash >> 2;
805 return hash;
806 }
808 /* Use the output file to create a image base for relocatable DLLs. */
810 static bfd_vma
811 compute_dll_image_base (const char *ofile)
812 {
813 bfd_vma hash = (bfd_vma) strhash (ofile);
814 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
815 }
816 #endif
818 /* Assign values to the special symbols before the linker script is
819 read. */
821 static void
822 gld_${EMULATION_NAME}_set_symbols (void)
823 {
824 /* Run through and invent symbols for all the
825 names and insert the defaults. */
826 int j;
828 is_underscoring ();
830 if (!init[IMAGEBASEOFF].inited)
831 {
832 if (link_info.relocatable)
833 init[IMAGEBASEOFF].value = 0;
834 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
835 {
836 #ifdef DLL_SUPPORT
837 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
838 ? compute_dll_image_base (output_filename)
839 : NT_DLL_IMAGE_BASE);
840 #else
841 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
842 #endif
843 }
844 else
845 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
846 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
847 }
849 /* Don't do any symbol assignments if this is a relocatable link. */
850 if (link_info.relocatable)
851 return;
853 /* Glue the assignments into the abs section. */
854 push_stat_ptr (&abs_output_section->children);
856 for (j = 0; init[j].ptr; j++)
857 {
858 bfd_vma val = init[j].value;
859 lang_assignment_statement_type *rv;
861 rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
862 exp_intop (val)));
863 if (init[j].size == sizeof (short))
864 *(short *) init[j].ptr = (short) val;
865 else if (init[j].size == sizeof (int))
866 *(int *) init[j].ptr = (int) val;
867 else if (init[j].size == sizeof (long))
868 *(long *) init[j].ptr = (long) val;
869 /* This might be a long long or other special type. */
870 else if (init[j].size == sizeof (bfd_vma))
871 *(bfd_vma *) init[j].ptr = val;
872 else abort ();
873 if (j == IMAGEBASEOFF)
874 image_base_statement = rv;
875 }
876 /* Restore the pointer. */
877 pop_stat_ptr ();
879 if (pep.FileAlignment > pep.SectionAlignment)
880 {
881 einfo (_("%P: warning, file alignment > section alignment.\n"));
882 }
883 }
885 /* This is called after the linker script and the command line options
886 have been read. */
888 static void
889 gld_${EMULATION_NAME}_after_parse (void)
890 {
891 /* PR ld/6744: Warn the user if they have used an ELF-only
892 option hoping it will work on PE+. */
893 if (link_info.export_dynamic)
894 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
895 "targets, did you mean --export-all-symbols?\n"));
897 set_entry_point ();
899 after_parse_default ();
900 }
902 /* pep-dll.c directly accesses pep_data_import_dll,
903 so it must be defined outside of #ifdef DLL_SUPPORT.
904 Note - this variable is deliberately not initialised.
905 This allows it to be treated as a common varaible, and only
906 exist in one incarnation in a multiple target enabled linker. */
907 char * pep_data_import_dll;
909 #ifdef DLL_SUPPORT
910 static struct bfd_link_hash_entry *pep_undef_found_sym;
912 static bfd_boolean
913 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
914 {
915 int sl;
916 char *string = inf;
917 const char *hs = h->root.string;
919 sl = strlen (string);
920 if (h->type == bfd_link_hash_defined
921 && ((*hs == '@' && *string == '_'
922 && strncmp (hs + 1, string + 1, sl - 1) == 0)
923 || strncmp (hs, string, sl) == 0)
924 && h->root.string[sl] == '@')
925 {
926 pep_undef_found_sym = h;
927 return FALSE;
928 }
929 return TRUE;
930 }
932 static void
933 pep_fixup_stdcalls (void)
934 {
935 static int gave_warning_message = 0;
936 struct bfd_link_hash_entry *undef, *sym;
938 if (pep_dll_extra_pe_debug)
939 printf ("%s\n", __FUNCTION__);
941 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
942 if (undef->type == bfd_link_hash_undefined)
943 {
944 char* at = strchr (undef->root.string, '@');
945 int lead_at = (*undef->root.string == '@');
946 if (lead_at)
947 at = strchr (undef->root.string + 1, '@');
948 if (at || lead_at)
949 {
950 /* The symbol is a stdcall symbol, so let's look for a
951 cdecl symbol with the same name and resolve to that. */
952 char *cname = xstrdup (undef->root.string);
954 if (lead_at)
955 *cname = '_';
956 at = strchr (cname, '@');
957 if (at)
958 *at = 0;
959 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
961 if (sym && sym->type == bfd_link_hash_defined)
962 {
963 undef->type = bfd_link_hash_defined;
964 undef->u.def.value = sym->u.def.value;
965 undef->u.def.section = sym->u.def.section;
967 if (pep_enable_stdcall_fixup == -1)
968 {
969 einfo (_("Warning: resolving %s by linking to %s\n"),
970 undef->root.string, cname);
971 if (! gave_warning_message)
972 {
973 gave_warning_message = 1;
974 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
975 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
976 }
977 }
978 }
979 }
980 else
981 {
982 /* The symbol is a cdecl symbol, so we look for stdcall
983 symbols - which means scanning the whole symbol table. */
984 pep_undef_found_sym = 0;
985 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
986 (char *) undef->root.string);
987 sym = pep_undef_found_sym;
988 if (sym)
989 {
990 undef->type = bfd_link_hash_defined;
991 undef->u.def.value = sym->u.def.value;
992 undef->u.def.section = sym->u.def.section;
994 if (pep_enable_stdcall_fixup == -1)
995 {
996 einfo (_("Warning: resolving %s by linking to %s\n"),
997 undef->root.string, sym->root.string);
998 if (! gave_warning_message)
999 {
1000 gave_warning_message = 1;
1001 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1002 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1003 }
1004 }
1005 }
1006 }
1007 }
1008 }
1010 static int
1011 make_import_fixup (arelent *rel, asection *s)
1012 {
1013 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1014 char addend[8];
1015 bfd_vma _addend = 0;
1016 int suc = 0;
1018 if (pep_dll_extra_pe_debug)
1019 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1020 (unsigned long) rel->address, (long) rel->addend);
1022 memset (addend, 0, sizeof (addend));
1023 switch ((rel->howto->bitsize))
1024 {
1025 case 8:
1026 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
1027 if (suc && rel->howto->pc_relative)
1028 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
1029 else if (suc)
1030 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
1031 break;
1032 case 16:
1033 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
1034 if (suc && rel->howto->pc_relative)
1035 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
1036 else if (suc)
1037 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
1038 break;
1039 case 32:
1040 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
1041 if (suc && rel->howto->pc_relative)
1042 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
1043 else if (suc)
1044 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
1045 break;
1046 case 64:
1047 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
1048 if (suc)
1049 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
1050 break;
1051 }
1052 if (! suc)
1053 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1054 s->owner, s, rel->address);
1056 if (pep_dll_extra_pe_debug)
1057 {
1058 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
1059 if (rel->howto->pc_relative) printf (" pcrel");
1060 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
1061 }
1062 pep_create_import_fixup (rel, s, _addend);
1064 return 1;
1065 }
1067 static void
1068 pep_find_data_imports (void)
1069 {
1070 struct bfd_link_hash_entry *undef, *sym;
1072 if (link_info.pei386_auto_import == 0)
1073 return;
1075 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1076 {
1077 if (undef->type == bfd_link_hash_undefined)
1078 {
1079 /* C++ symbols are *long*. */
1080 char buf[4096];
1082 if (pep_dll_extra_pe_debug)
1083 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1085 sprintf (buf, "__imp_%s", undef->root.string);
1087 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1089 if (sym && sym->type == bfd_link_hash_defined)
1090 {
1091 bfd *b = sym->u.def.section->owner;
1092 asymbol **symbols;
1093 int nsyms, i;
1095 if (!bfd_generic_link_read_symbols (b))
1096 {
1097 einfo (_("%B%F: could not read symbols: %E\n"), b);
1098 return;
1099 }
1101 symbols = bfd_get_outsymbols (b);
1102 nsyms = bfd_get_symcount (b);
1104 for (i = 0; i < nsyms; i++)
1105 {
1106 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
1107 continue;
1109 if (pep_dll_extra_pe_debug)
1110 printf ("->%s\n", symbols[i]->name);
1112 pep_data_import_dll = (char*) (symbols[i]->name +
1113 U_SIZE ("_head_") - 1);
1114 break;
1115 }
1117 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1118 make_import_fixup);
1120 /* Let's differentiate it somehow from defined. */
1121 undef->type = bfd_link_hash_defweak;
1122 /* We replace original name with __imp_ prefixed, this
1123 1) may trash memory 2) leads to duplicate symbol generation.
1124 Still, IMHO it's better than having name poluted. */
1125 undef->root.string = sym->root.string;
1126 undef->u.def.value = sym->u.def.value;
1127 undef->u.def.section = sym->u.def.section;
1128 }
1129 }
1130 }
1131 }
1133 static bfd_boolean
1134 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1135 {
1136 if (pep_dll_extra_pe_debug)
1137 printf ("+%s\n", h->string);
1139 return TRUE;
1140 }
1141 #endif /* DLL_SUPPORT */
1143 static void
1144 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1145 {
1146 int *found = (int *) obj;
1147 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1148 *found = 1;
1149 }
1151 static void
1152 gld_${EMULATION_NAME}_after_open (void)
1153 {
1154 is_underscoring ();
1155 #ifdef DLL_SUPPORT
1156 if (pep_dll_extra_pe_debug)
1157 {
1158 bfd *a;
1159 struct bfd_link_hash_entry *sym;
1161 printf ("%s()\n", __FUNCTION__);
1163 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1164 printf ("-%s\n", sym->root.string);
1165 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1167 for (a = link_info.input_bfds; a; a = a->link_next)
1168 printf ("*%s\n",a->filename);
1169 }
1170 #endif
1172 /* Pass the wacky PE command line options into the output bfd.
1173 FIXME: This should be done via a function, rather than by
1174 including an internal BFD header. */
1176 if (coff_data (link_info.output_bfd) == NULL
1177 || coff_data (link_info.output_bfd)->pe == 0)
1178 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1179 link_info.output_bfd);
1181 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1182 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1183 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1185 /* At this point we must decide whether to use long section names
1186 in the output or not. If the user hasn't explicitly specified
1187 on the command line, we leave it to the default for the format
1188 (object files yes, image files no), except if there is debug
1189 information present; GDB relies on the long section names to
1190 find it, so enable it in that case. */
1191 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1192 {
1193 /* Iterate over all sections of all input BFDs, checking
1194 for any that begin 'debug_' and are long names. */
1195 LANG_FOR_EACH_INPUT_STATEMENT (is)
1196 {
1197 int found_debug = 0;
1198 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1199 if (found_debug)
1200 {
1201 pep_use_coff_long_section_names = 1;
1202 break;
1203 }
1204 }
1205 }
1207 pep_output_file_set_long_section_names (link_info.output_bfd);
1209 #ifdef DLL_SUPPORT
1210 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1211 pep_fixup_stdcalls ();
1213 pep_process_import_defs (link_info.output_bfd, &link_info);
1215 pep_find_data_imports ();
1217 /* As possibly new symbols are added by imports, we rerun
1218 stdcall/fastcall fixup here. */
1219 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1220 pep_fixup_stdcalls ();
1222 #ifndef TARGET_IS_i386pep
1223 if (link_info.shared)
1224 #else
1225 if (!link_info.relocatable)
1226 #endif
1227 pep_dll_build_sections (link_info.output_bfd, &link_info);
1229 #ifndef TARGET_IS_i386pep
1230 else
1231 pep_exe_build_sections (link_info.output_bfd, &link_info);
1232 #endif
1233 #endif /* DLL_SUPPORT */
1235 {
1236 /* This next chunk of code tries to detect the case where you have
1237 two import libraries for the same DLL (specifically,
1238 symbolically linking libm.a and libc.a in cygwin to
1239 libcygwin.a). In those cases, it's possible for function
1240 thunks from the second implib to be used but without the
1241 head/tail objects, causing an improper import table. We detect
1242 those cases and rename the "other" import libraries to match
1243 the one the head/tail come from, so that the linker will sort
1244 things nicely and produce a valid import table. */
1246 LANG_FOR_EACH_INPUT_STATEMENT (is)
1247 {
1248 if (is->the_bfd->my_archive)
1249 {
1250 int idata2 = 0, reloc_count=0, is_imp = 0;
1251 asection *sec;
1253 /* See if this is an import library thunk. */
1254 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1255 {
1256 if (strcmp (sec->name, ".idata\$2") == 0)
1257 idata2 = 1;
1258 if (CONST_STRNEQ (sec->name, ".idata\$"))
1259 is_imp = 1;
1260 reloc_count += sec->reloc_count;
1261 }
1263 if (is_imp && !idata2 && reloc_count)
1264 {
1265 /* It is, look for the reference to head and see if it's
1266 from our own library. */
1267 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1268 {
1269 int i;
1270 long relsize;
1271 asymbol **symbols;
1272 arelent **relocs;
1273 int nrelocs;
1275 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1276 if (relsize < 1)
1277 break;
1279 if (!bfd_generic_link_read_symbols (is->the_bfd))
1280 {
1281 einfo (_("%B%F: could not read symbols: %E\n"),
1282 is->the_bfd);
1283 return;
1284 }
1285 symbols = bfd_get_outsymbols (is->the_bfd);
1287 relocs = xmalloc ((size_t) relsize);
1288 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1289 relocs, symbols);
1290 if (nrelocs < 0)
1291 {
1292 free (relocs);
1293 einfo ("%X%P: unable to process relocs: %E\n");
1294 return;
1295 }
1297 for (i = 0; i < nrelocs; i++)
1298 {
1299 struct bfd_symbol *s;
1300 struct bfd_link_hash_entry * blhe;
1301 char *other_bfd_filename;
1302 char *n;
1304 s = (relocs[i]->sym_ptr_ptr)[0];
1306 if (s->flags & BSF_LOCAL)
1307 continue;
1309 /* Thunk section with reloc to another bfd. */
1310 blhe = bfd_link_hash_lookup (link_info.hash,
1311 s->name,
1312 FALSE, FALSE, TRUE);
1314 if (blhe == NULL
1315 || blhe->type != bfd_link_hash_defined)
1316 continue;
1318 other_bfd_filename
1319 = blhe->u.def.section->owner->my_archive
1320 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1321 : bfd_get_filename (blhe->u.def.section->owner);
1323 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1324 other_bfd_filename) == 0)
1325 continue;
1327 /* Rename this implib to match the other one. */
1328 n = xmalloc (strlen (other_bfd_filename) + 1);
1329 strcpy (n, other_bfd_filename);
1330 is->the_bfd->my_archive->filename = n;
1331 }
1333 free (relocs);
1334 /* Note - we do not free the symbols,
1335 they are now cached in the BFD. */
1336 }
1337 }
1338 }
1339 }
1340 }
1342 {
1343 int is_ms_arch = 0;
1344 bfd *cur_arch = 0;
1345 lang_input_statement_type *is2;
1346 lang_input_statement_type *is3;
1348 /* Careful - this is a shell script. Watch those dollar signs! */
1349 /* Microsoft import libraries have every member named the same,
1350 and not in the right order for us to link them correctly. We
1351 must detect these and rename the members so that they'll link
1352 correctly. There are three types of objects: the head, the
1353 thunks, and the sentinel(s). The head is easy; it's the one
1354 with idata2. We assume that the sentinels won't have relocs,
1355 and the thunks will. It's easier than checking the symbol
1356 table for external references. */
1357 LANG_FOR_EACH_INPUT_STATEMENT (is)
1358 {
1359 if (is->the_bfd->my_archive)
1360 {
1361 char *pnt;
1362 bfd *arch = is->the_bfd->my_archive;
1364 if (cur_arch != arch)
1365 {
1366 cur_arch = arch;
1367 is_ms_arch = 1;
1369 for (is3 = is;
1370 is3 && is3->the_bfd->my_archive == arch;
1371 is3 = (lang_input_statement_type *) is3->next)
1372 {
1373 /* A MS dynamic import library can also contain static
1374 members, so look for the first element with a .dll
1375 extension, and use that for the remainder of the
1376 comparisons. */
1377 pnt = strrchr (is3->the_bfd->filename, '.');
1378 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1379 break;
1380 }
1382 if (is3 == NULL)
1383 is_ms_arch = 0;
1384 else
1385 {
1386 /* OK, found one. Now look to see if the remaining
1387 (dynamic import) members use the same name. */
1388 for (is2 = is;
1389 is2 && is2->the_bfd->my_archive == arch;
1390 is2 = (lang_input_statement_type *) is2->next)
1391 {
1392 /* Skip static members, ie anything with a .obj
1393 extension. */
1394 pnt = strrchr (is2->the_bfd->filename, '.');
1395 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1396 continue;
1398 if (strcmp (is3->the_bfd->filename,
1399 is2->the_bfd->filename))
1400 {
1401 is_ms_arch = 0;
1402 break;
1403 }
1404 }
1405 }
1406 }
1408 /* This fragment might have come from an .obj file in a Microsoft
1409 import, and not an actual import record. If this is the case,
1410 then leave the filename alone. */
1411 pnt = strrchr (is->the_bfd->filename, '.');
1413 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1414 {
1415 int idata2 = 0, reloc_count=0;
1416 asection *sec;
1417 char *new_name, seq;
1419 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1420 {
1421 if (strcmp (sec->name, ".idata\$2") == 0)
1422 idata2 = 1;
1423 reloc_count += sec->reloc_count;
1424 }
1426 if (idata2) /* .idata2 is the TOC */
1427 seq = 'a';
1428 else if (reloc_count > 0) /* thunks */
1429 seq = 'b';
1430 else /* sentinel */
1431 seq = 'c';
1433 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1434 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1435 is->the_bfd->filename = new_name;
1437 new_name = xmalloc (strlen (is->filename) + 3);
1438 sprintf (new_name, "%s.%c", is->filename, seq);
1439 is->filename = new_name;
1440 }
1441 }
1442 }
1443 }
1444 }
1445 \f
1446 static void
1447 gld_${EMULATION_NAME}_before_allocation (void)
1448 {
1449 is_underscoring ();
1450 before_allocation_default ();
1451 }
1452 \f
1453 #ifdef DLL_SUPPORT
1454 /* This is called when an input file isn't recognized as a BFD. We
1455 check here for .DEF files and pull them in automatically. */
1457 static int
1458 saw_option (char *option)
1459 {
1460 int i;
1462 is_underscoring ();
1464 for (i = 0; init[i].ptr; i++)
1465 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1466 return init[i].inited;
1467 return 0;
1468 }
1469 #endif /* DLL_SUPPORT */
1471 static bfd_boolean
1472 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1473 {
1474 #ifdef DLL_SUPPORT
1475 const char *ext = entry->filename + strlen (entry->filename) - 4;
1477 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1478 {
1479 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1481 if (pep_def_file)
1482 {
1483 int i, buflen=0, len;
1484 char *buf;
1486 for (i = 0; i < pep_def_file->num_exports; i++)
1487 {
1488 len = strlen (pep_def_file->exports[i].internal_name);
1489 if (buflen < len + 2)
1490 buflen = len + 2;
1491 }
1493 buf = xmalloc (buflen);
1495 for (i = 0; i < pep_def_file->num_exports; i++)
1496 {
1497 struct bfd_link_hash_entry *h;
1499 sprintf (buf, "%s%s", U (""),
1500 pep_def_file->exports[i].internal_name);
1502 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1503 if (h == (struct bfd_link_hash_entry *) NULL)
1504 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1505 if (h->type == bfd_link_hash_new)
1506 {
1507 h->type = bfd_link_hash_undefined;
1508 h->u.undef.abfd = NULL;
1509 bfd_link_add_undef (link_info.hash, h);
1510 }
1511 }
1512 free (buf);
1514 /* def_file_print (stdout, pep_def_file); */
1515 if (pep_def_file->is_dll == 1)
1516 link_info.shared = 1;
1518 if (pep_def_file->base_address != (bfd_vma)(-1))
1519 {
1520 pep.ImageBase
1521 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1522 = init[IMAGEBASEOFF].value
1523 = pep_def_file->base_address;
1524 init[IMAGEBASEOFF].inited = 1;
1525 if (image_base_statement)
1526 image_base_statement->exp = exp_assop ('=', "__image_base__",
1527 exp_intop (pep.ImageBase));
1528 }
1530 if (pep_def_file->stack_reserve != -1
1531 && ! saw_option ("__size_of_stack_reserve__"))
1532 {
1533 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1534 if (pep_def_file->stack_commit != -1)
1535 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1536 }
1537 if (pep_def_file->heap_reserve != -1
1538 && ! saw_option ("__size_of_heap_reserve__"))
1539 {
1540 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1541 if (pep_def_file->heap_commit != -1)
1542 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1543 }
1544 return TRUE;
1545 }
1546 }
1547 #endif
1548 return FALSE;
1549 }
1551 static bfd_boolean
1552 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1553 {
1554 is_underscoring ();
1555 #ifdef DLL_SUPPORT
1556 #ifdef TARGET_IS_i386pep
1557 pep_dll_id_target ("pei-x86-64");
1558 #endif
1559 if (pep_bfd_is_dll (entry->the_bfd))
1560 return pep_implied_import_dll (entry->filename);
1561 #endif
1562 return FALSE;
1563 }
1565 static void
1566 gld_${EMULATION_NAME}_finish (void)
1567 {
1568 is_underscoring ();
1569 finish_default ();
1571 #ifdef DLL_SUPPORT
1572 if (link_info.shared
1573 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1574 {
1575 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1576 if (pep_implib_filename)
1577 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1578 }
1580 if (pep_out_def_filename)
1581 pep_dll_generate_def_file (pep_out_def_filename);
1582 #endif /* DLL_SUPPORT */
1584 /* I don't know where .idata gets set as code, but it shouldn't be. */
1585 {
1586 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1588 if (asec)
1589 {
1590 asec->flags &= ~SEC_CODE;
1591 asec->flags |= SEC_DATA;
1592 }
1593 }
1594 }
1596 \f
1597 /* Place an orphan section.
1599 We use this to put sections in a reasonable place in the file, and
1600 to ensure that they are aligned as required.
1602 We handle grouped sections here as well. A section named .foo\$nn
1603 goes into the output section .foo. All grouped sections are sorted
1604 by name.
1606 Grouped sections for the default sections are handled by the
1607 default linker script using wildcards, and are sorted by
1608 sort_sections. */
1610 static lang_output_section_statement_type *
1611 gld_${EMULATION_NAME}_place_orphan (asection *s,
1612 const char *secname,
1613 int constraint)
1614 {
1615 const char *orig_secname = secname;
1616 char *dollar = NULL;
1617 lang_output_section_statement_type *os;
1618 lang_statement_list_type add_child;
1619 lang_output_section_statement_type *match_by_name = NULL;
1620 lang_statement_union_type **pl;
1622 /* Look through the script to see where to place this section. */
1623 if (!link_info.relocatable
1624 && (dollar = strchr (secname, '\$')) != NULL)
1625 {
1626 size_t len = dollar - secname;
1627 char *newname = xmalloc (len + 1);
1628 memcpy (newname, secname, len);
1629 newname[len] = '\0';
1630 secname = newname;
1631 }
1633 lang_list_init (&add_child);
1635 os = NULL;
1636 if (constraint == 0)
1637 for (os = lang_output_section_find (secname);
1638 os != NULL;
1639 os = next_matching_output_section_statement (os, 0))
1640 {
1641 /* If we don't match an existing output section, tell
1642 lang_insert_orphan to create a new output section. */
1643 constraint = SPECIAL;
1645 if (os->bfd_section != NULL
1646 && (os->bfd_section->flags == 0
1647 || ((s->flags ^ os->bfd_section->flags)
1648 & (SEC_LOAD | SEC_ALLOC)) == 0))
1649 {
1650 /* We already have an output section statement with this
1651 name, and its bfd section has compatible flags.
1652 If the section already exists but does not have any flags set,
1653 then it has been created by the linker, probably as a result of
1654 a --section-start command line switch. */
1655 lang_add_section (&add_child, s, os);
1656 break;
1657 }
1659 /* Save unused output sections in case we can match them
1660 against orphans later. */
1661 if (os->bfd_section == NULL)
1662 match_by_name = os;
1663 }
1665 /* If we didn't match an active output section, see if we matched an
1666 unused one and use that. */
1667 if (os == NULL && match_by_name)
1668 {
1669 lang_add_section (&match_by_name->children, s, match_by_name);
1670 return match_by_name;
1671 }
1673 if (os == NULL)
1674 {
1675 static struct orphan_save hold[] =
1676 {
1677 { ".text",
1678 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1679 0, 0, 0, 0 },
1680 { ".idata",
1681 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1682 0, 0, 0, 0 },
1683 { ".rdata",
1684 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1685 0, 0, 0, 0 },
1686 { ".data",
1687 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1688 0, 0, 0, 0 },
1689 { ".bss",
1690 SEC_ALLOC,
1691 0, 0, 0, 0 }
1692 };
1693 enum orphan_save_index
1694 {
1695 orphan_text = 0,
1696 orphan_idata,
1697 orphan_rodata,
1698 orphan_data,
1699 orphan_bss
1700 };
1701 static int orphan_init_done = 0;
1702 struct orphan_save *place;
1703 lang_output_section_statement_type *after;
1704 etree_type *address;
1706 if (!orphan_init_done)
1707 {
1708 struct orphan_save *ho;
1709 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1710 if (ho->name != NULL)
1711 {
1712 ho->os = lang_output_section_find (ho->name);
1713 if (ho->os != NULL && ho->os->flags == 0)
1714 ho->os->flags = ho->flags;
1715 }
1716 orphan_init_done = 1;
1717 }
1719 /* Try to put the new output section in a reasonable place based
1720 on the section name and section flags. */
1722 place = NULL;
1723 if ((s->flags & SEC_ALLOC) == 0)
1724 ;
1725 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1726 place = &hold[orphan_bss];
1727 else if ((s->flags & SEC_READONLY) == 0)
1728 place = &hold[orphan_data];
1729 else if ((s->flags & SEC_CODE) == 0)
1730 {
1731 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1732 : &hold[orphan_rodata]);
1733 }
1734 else
1735 place = &hold[orphan_text];
1737 after = NULL;
1738 if (place != NULL)
1739 {
1740 if (place->os == NULL)
1741 place->os = lang_output_section_find (place->name);
1742 after = place->os;
1743 if (after == NULL)
1744 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1745 if (after == NULL)
1746 /* *ABS* is always the first output section statement. */
1747 after = (&lang_output_section_statement.head
1748 ->output_section_statement);
1749 }
1751 /* All sections in an executable must be aligned to a page boundary. */
1752 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1753 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1754 &add_child);
1755 }
1757 /* If the section name has a '\$', sort it with the other '\$'
1758 sections. */
1759 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1760 {
1761 lang_input_section_type *ls;
1762 const char *lname;
1764 if ((*pl)->header.type != lang_input_section_enum)
1765 continue;
1767 ls = &(*pl)->input_section;
1769 lname = bfd_get_section_name (ls->section->owner, ls->section);
1770 if (strchr (lname, '\$') != NULL
1771 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1772 break;
1773 }
1775 if (add_child.head != NULL)
1776 {
1777 *add_child.tail = *pl;
1778 *pl = add_child.head;
1779 }
1781 return os;
1782 }
1784 static bfd_boolean
1785 gld_${EMULATION_NAME}_open_dynamic_archive
1786 (const char *arch ATTRIBUTE_UNUSED,
1787 search_dirs_type *search,
1788 lang_input_statement_type *entry)
1789 {
1790 static const struct
1791 {
1792 const char * format;
1793 bfd_boolean use_prefix;
1794 }
1795 libname_fmt [] =
1796 {
1797 /* Preferred explicit import library for dll's. */
1798 { "lib%s.dll.a", FALSE },
1799 /* Alternate explicit import library for dll's. */
1800 { "%s.dll.a", FALSE },
1801 /* "libfoo.a" could be either an import lib or a static lib.
1802 For backwards compatibility, libfoo.a needs to precede
1803 libfoo.dll and foo.dll in the search. */
1804 { "lib%s.a", FALSE },
1805 /* The 'native' spelling of an import lib name is "foo.lib". */
1806 { "%s.lib", FALSE },
1807 #ifdef DLL_SUPPORT
1808 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1809 { "%s%s.dll", TRUE },
1810 #endif
1811 /* Try "libfoo.dll" (default preferred dll name). */
1812 { "lib%s.dll", FALSE },
1813 /* Finally try 'native' dll name "foo.dll". */
1814 { "%s.dll", FALSE },
1815 /* Note: If adding more formats to this table, make sure to check to
1816 see if their length is longer than libname_fmt[0].format, and if
1817 so, update the call to xmalloc() below. */
1818 { NULL, FALSE }
1819 };
1820 static unsigned int format_max_len = 0;
1821 const char * filename;
1822 char * full_string;
1823 char * base_string;
1824 unsigned int i;
1827 if (! entry->maybe_archive)
1828 return FALSE;
1830 filename = entry->filename;
1832 if (format_max_len == 0)
1833 /* We need to allow space in the memory that we are going to allocate
1834 for the characters in the format string. Since the format array is
1835 static we only need to calculate this information once. In theory
1836 this value could also be computed statically, but this introduces
1837 the possibility for a discrepancy and hence a possible memory
1838 corruption. The lengths we compute here will be too long because
1839 they will include any formating characters (%s) in the strings, but
1840 this will not matter. */
1841 for (i = 0; libname_fmt[i].format; i++)
1842 if (format_max_len < strlen (libname_fmt[i].format))
1843 format_max_len = strlen (libname_fmt[i].format);
1845 full_string = xmalloc (strlen (search->name)
1846 + strlen (filename)
1847 + format_max_len
1848 #ifdef DLL_SUPPORT
1849 + (pep_dll_search_prefix
1850 ? strlen (pep_dll_search_prefix) : 0)
1851 #endif
1852 /* Allow for the terminating NUL and for the path
1853 separator character that is inserted between
1854 search->name and the start of the format string. */
1855 + 2);
1857 sprintf (full_string, "%s/", search->name);
1858 base_string = full_string + strlen (full_string);
1860 for (i = 0; libname_fmt[i].format; i++)
1861 {
1862 #ifdef DLL_SUPPORT
1863 if (libname_fmt[i].use_prefix)
1864 {
1865 if (!pep_dll_search_prefix)
1866 continue;
1867 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1868 }
1869 else
1870 #endif
1871 sprintf (base_string, libname_fmt[i].format, filename);
1873 if (ldfile_try_open_bfd (full_string, entry))
1874 break;
1875 }
1877 if (!libname_fmt[i].format)
1878 {
1879 free (full_string);
1880 return FALSE;
1881 }
1883 entry->filename = full_string;
1885 return TRUE;
1886 }
1888 static int
1889 gld_${EMULATION_NAME}_find_potential_libraries
1890 (char *name, lang_input_statement_type *entry)
1891 {
1892 return ldfile_open_file_search (name, entry, "", ".lib");
1893 }
1894 \f
1895 static char *
1896 gld_${EMULATION_NAME}_get_script (int *isfile)
1897 EOF
1898 # Scripts compiled in.
1899 # sed commands to quote an ld script as a C string.
1900 sc="-f stringify.sed"
1902 fragment <<EOF
1903 {
1904 *isfile = 0;
1906 if (link_info.relocatable && config.build_constructors)
1907 return
1908 EOF
1909 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1910 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1911 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1912 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1913 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1914 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1915 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1916 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1917 echo ' ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return' >> e${EMULATION_NAME}.c
1918 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1919 fi
1920 echo ' ; else return' >> e${EMULATION_NAME}.c
1921 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1922 echo '; }' >> e${EMULATION_NAME}.c
1924 fragment <<EOF
1927 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1928 {
1929 gld_${EMULATION_NAME}_before_parse,
1930 syslib_default,
1931 hll_default,
1932 gld_${EMULATION_NAME}_after_parse,
1933 gld_${EMULATION_NAME}_after_open,
1934 after_allocation_default,
1935 set_output_arch_default,
1936 ldemul_default_target,
1937 gld_${EMULATION_NAME}_before_allocation,
1938 gld_${EMULATION_NAME}_get_script,
1939 "${EMULATION_NAME}",
1940 "${OUTPUT_FORMAT}",
1941 gld_${EMULATION_NAME}_finish,
1942 NULL, /* Create output section statements. */
1943 gld_${EMULATION_NAME}_open_dynamic_archive,
1944 gld_${EMULATION_NAME}_place_orphan,
1945 gld_${EMULATION_NAME}_set_symbols,
1946 NULL, /* parse_args */
1947 gld${EMULATION_NAME}_add_options,
1948 gld${EMULATION_NAME}_handle_option,
1949 gld_${EMULATION_NAME}_unrecognized_file,
1950 gld_${EMULATION_NAME}_list_options,
1951 gld_${EMULATION_NAME}_recognized_file,
1952 gld_${EMULATION_NAME}_find_potential_libraries,
1953 NULL /* new_vers_pattern. */
1954 };
1955 EOF