| blob | 7e4c75ba6533b98ae3850ff419330c475751606a |
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 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 = ${SUBSYSTEM};
103 static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
104 static int support_old_code = 0;
105 static lang_assignment_statement_type *image_base_statement = 0;
106 static unsigned short pe_dll_characteristics = 0;
108 #ifdef DLL_SUPPORT
109 static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
110 static char * pep_out_def_filename = NULL;
111 static char * pep_implib_filename = NULL;
112 static int pep_enable_auto_image_base = 0;
113 static char * pep_dll_search_prefix = NULL;
114 #endif
116 extern const char *output_filename;
118 static void
119 gld_${EMULATION_NAME}_before_parse (void)
120 {
121 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
122 output_filename = "${EXECUTABLE_NAME:-a.exe}";
123 #ifdef DLL_SUPPORT
124 config.dynamic_link = TRUE;
125 config.has_shared = 1;
126 link_info.pei386_auto_import = -1;
127 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
128 #endif
129 }
130 \f
131 /* PE format extra command line options. */
133 /* Used for setting flags in the PE header. */
134 enum options
135 {
136 OPTION_BASE_FILE = 300 + 1,
137 OPTION_DLL,
138 OPTION_FILE_ALIGNMENT,
139 OPTION_IMAGE_BASE,
140 OPTION_MAJOR_IMAGE_VERSION,
141 OPTION_MAJOR_OS_VERSION,
142 OPTION_MAJOR_SUBSYSTEM_VERSION,
143 OPTION_MINOR_IMAGE_VERSION,
144 OPTION_MINOR_OS_VERSION,
145 OPTION_MINOR_SUBSYSTEM_VERSION,
146 OPTION_SECTION_ALIGNMENT,
147 OPTION_STACK,
148 OPTION_SUBSYSTEM,
149 OPTION_HEAP,
150 OPTION_SUPPORT_OLD_CODE,
151 OPTION_OUT_DEF,
152 OPTION_EXPORT_ALL,
153 OPTION_EXCLUDE_SYMBOLS,
154 OPTION_EXCLUDE_ALL_SYMBOLS,
155 OPTION_KILL_ATS,
156 OPTION_STDCALL_ALIASES,
157 OPTION_ENABLE_STDCALL_FIXUP,
158 OPTION_DISABLE_STDCALL_FIXUP,
159 OPTION_IMPLIB_FILENAME,
160 OPTION_INCOMPATIBLE_MSLINK_IMPLIB,
161 OPTION_WARN_DUPLICATE_EXPORTS,
162 OPTION_IMP_COMPAT,
163 OPTION_ENABLE_AUTO_IMAGE_BASE,
164 OPTION_DISABLE_AUTO_IMAGE_BASE,
165 OPTION_DLL_SEARCH_PREFIX,
166 OPTION_NO_DEFAULT_EXCLUDES,
167 OPTION_DLL_ENABLE_AUTO_IMPORT,
168 OPTION_DLL_DISABLE_AUTO_IMPORT,
169 OPTION_ENABLE_EXTRA_PE_DEBUG,
170 OPTION_EXCLUDE_LIBS,
171 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
172 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
173 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
174 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
175 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
176 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
177 OPTION_NO_LEADING_UNDERSCORE,
178 OPTION_LEADING_UNDERSCORE,
179 OPTION_ENABLE_LONG_SECTION_NAMES,
180 OPTION_DISABLE_LONG_SECTION_NAMES,
181 OPTION_DYNAMIC_BASE,
182 OPTION_FORCE_INTEGRITY,
183 OPTION_NX_COMPAT,
184 OPTION_NO_ISOLATION,
185 OPTION_NO_SEH,
186 OPTION_NO_BIND,
187 OPTION_WDM_DRIVER,
188 OPTION_TERMINAL_SERVER_AWARE
189 };
191 static void
192 gld${EMULATION_NAME}_add_options
193 (int ns ATTRIBUTE_UNUSED,
194 char **shortopts ATTRIBUTE_UNUSED,
195 int nl,
196 struct option **longopts,
197 int nrl ATTRIBUTE_UNUSED,
198 struct option **really_longopts ATTRIBUTE_UNUSED)
199 {
200 static const struct option xtra_long[] =
201 {
202 /* PE options */
203 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
204 {"dll", no_argument, NULL, OPTION_DLL},
205 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
206 {"heap", required_argument, NULL, OPTION_HEAP},
207 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
208 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
209 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
210 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
211 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
212 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
213 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
214 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
215 {"stack", required_argument, NULL, OPTION_STACK},
216 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
217 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
218 {"use-nul-prefixed-import-tables", no_argument, NULL,
219 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
220 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
221 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
222 #ifdef DLL_SUPPORT
223 /* getopt allows abbreviations, so we do this to stop it
224 from treating -o as an abbreviation for this option. */
225 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
226 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
227 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
228 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
229 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
230 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
231 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
232 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
233 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
234 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
235 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
236 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
237 {"incompatible-mslink-implib", no_argument, NULL, OPTION_INCOMPATIBLE_MSLINK_IMPLIB},
238 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
239 /* getopt() allows abbreviations, so we do this to stop it from
240 treating -c as an abbreviation for these --compat-implib. */
241 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
242 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
243 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
244 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
245 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
246 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
247 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
248 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
249 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
250 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
251 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
252 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
253 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
254 #endif
255 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
256 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
257 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
258 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
259 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
260 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
261 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
262 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
263 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
264 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
265 {NULL, no_argument, NULL, 0}
266 };
268 *longopts
269 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
270 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
271 }
273 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
274 parameters which may be input from the command line. */
276 typedef struct
277 {
278 void *ptr;
279 int size;
280 bfd_vma value;
281 char *symbol;
282 int inited;
283 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
284 C visible symbols can be prefixed by underscore dependent on target's
285 settings. */
286 bfd_boolean is_c_symbol;
287 } definfo;
289 #define GET_INIT_SYMBOL_NAME(IDX) \
290 (init[(IDX)].symbol \
291 + ((init[(IDX)].is_c_symbol == FALSE || pep_leading_underscore != 0) ? 0 : 1))
293 /* Decorates the C visible symbol by underscore, if target requires. */
294 #define U(CSTR) \
295 (pep_leading_underscore == 0 ? CSTR : "_" CSTR)
297 /* Get size of constant string for a possible underscore prefixed
298 C visible symbol. */
299 #define U_SIZE(CSTR) \
300 (sizeof (CSTR) + pep_leading_underscore == 0 ? 0 : 1)
302 #define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
304 static definfo init[] =
305 {
306 /* imagebase must be first */
307 #define IMAGEBASEOFF 0
308 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
309 #define DLLOFF 1
310 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
311 #define MSIMAGEBASEOFF 2
312 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
313 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
314 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
315 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
316 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
317 D(MajorImageVersion,"__major_image_version__", 0, FALSE),
318 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
319 D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
320 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
321 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
322 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
323 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
324 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
325 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
326 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
327 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
328 { NULL, 0, 0, NULL, 0, FALSE}
329 };
332 static void
333 gld_${EMULATION_NAME}_list_options (FILE *file)
334 {
335 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
336 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
337 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
338 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
339 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
340 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
341 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
342 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
343 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
344 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
345 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
346 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
347 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
348 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
349 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
350 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
351 #ifdef DLL_SUPPORT
352 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
353 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
354 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
355 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
356 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
357 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
358 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
359 fprintf (file, _(" Exclude objects, archive members from auto\n"));
360 fprintf (file, _(" export, place into import library instead.\n"));
361 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
362 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
363 fprintf (file, _(" --out-implib <file> Generate import library\n"));
364 fprintf (file, _(" --incompatible-mslink-implib When generating an import library, create\n\
365 one that is not consumable by the native\n\
366 linker (original behavior).\n"));
367 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
368 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
369 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
370 create __imp_<SYMBOL> as well.\n"));
371 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
372 unless user specifies one\n"));
373 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
374 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
375 an importlib, use <string><basename>.dll\n\
376 in preference to lib<basename>.dll \n"));
377 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
378 __imp_sym for DATA references\n"));
379 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
380 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
381 adding pseudo-relocations resolved at\n\
382 runtime.\n"));
383 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
384 auto-imported DATA.\n"));
385 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
386 or linking to DLLs (esp. auto-import)\n"));
387 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
388 executable image files\n"));
389 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
390 in object files\n"));
391 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
392 address space layout randomization (ASLR)\n"));
393 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
394 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
395 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
396 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
397 be called in this image\n"));
398 fprintf (file, _(" --no-bind Do not bind this image\n"));
399 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
400 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
401 #endif
402 }
405 static void
406 set_pep_name (char *name, bfd_vma val)
407 {
408 int i;
410 /* Find the name and set it. */
411 for (i = 0; init[i].ptr; i++)
412 {
413 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
414 {
415 init[i].value = val;
416 init[i].inited = 1;
417 if (strcmp (name,"__image_base__") == 0)
418 set_pep_name (U ("__ImageBase"), val);
419 return;
420 }
421 }
422 abort ();
423 }
425 static void
426 set_entry_point (void)
427 {
428 const char *entry;
429 const char *initial_symbol_char;
430 int i, u = -1;
432 static const struct
433 {
434 const int value;
435 const char *entry;
436 }
437 v[] =
438 {
439 { 1, "NtProcessStartup" },
440 { 2, "WinMainCRTStartup" },
441 { 3, "mainCRTStartup" },
442 { 7, "__PosixProcessStartup" },
443 { 9, "WinMainCRTStartup" },
444 {14, "mainCRTStartup" },
445 { 0, NULL }
446 };
448 /* Entry point name for arbitrary subsystem numbers. */
449 static const char default_entry[] = "mainCRTStartup";
451 if (link_info.shared || dll)
452 {
453 entry = "DllMainCRTStartup";
454 }
455 else
456 {
457 for (i = 0; v[i].entry; i++)
458 if (v[i].value == pep_subsystem)
459 break;
461 /* If no match, use the default. */
462 if (v[i].entry != NULL)
463 entry = v[i].entry;
464 else
465 entry = default_entry;
466 }
468 /* Now we check target's default for getting proper symbol_char. */
469 u = pep_leading_underscore;
470 if (u == -1 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
471 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
473 if (u == 0)
474 initial_symbol_char = "";
475 else if (u != -1)
476 initial_symbol_char = "_";
477 else
478 abort ();
479 pep_leading_underscore = u;
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 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_INCOMPATIBLE_MSLINK_IMPLIB:
708 pep_mslink_compatible_implib = 0;
709 break;
710 case OPTION_WARN_DUPLICATE_EXPORTS:
711 pep_dll_warn_dup_exports = 1;
712 break;
713 case OPTION_IMP_COMPAT:
714 pep_dll_compat_implib = 1;
715 break;
716 case OPTION_ENABLE_AUTO_IMAGE_BASE:
717 pep_enable_auto_image_base = 1;
718 break;
719 case OPTION_DISABLE_AUTO_IMAGE_BASE:
720 pep_enable_auto_image_base = 0;
721 break;
722 case OPTION_DLL_SEARCH_PREFIX:
723 pep_dll_search_prefix = xstrdup (optarg);
724 break;
725 case OPTION_NO_DEFAULT_EXCLUDES:
726 pep_dll_do_default_excludes = 0;
727 break;
728 case OPTION_DLL_ENABLE_AUTO_IMPORT:
729 link_info.pei386_auto_import = 1;
730 break;
731 case OPTION_DLL_DISABLE_AUTO_IMPORT:
732 link_info.pei386_auto_import = 0;
733 break;
734 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
735 link_info.pei386_runtime_pseudo_reloc = 2;
736 break;
737 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
738 link_info.pei386_runtime_pseudo_reloc = 0;
739 break;
740 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
741 link_info.pei386_runtime_pseudo_reloc = 1;
742 break;
743 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
744 link_info.pei386_runtime_pseudo_reloc = 2;
745 break;
746 case OPTION_ENABLE_EXTRA_PE_DEBUG:
747 pep_dll_extra_pe_debug = 1;
748 break;
749 #endif
750 case OPTION_ENABLE_LONG_SECTION_NAMES:
751 pep_use_coff_long_section_names = 1;
752 break;
753 case OPTION_DISABLE_LONG_SECTION_NAMES:
754 pep_use_coff_long_section_names = 0;
755 break;
756 /* Get DLLCharacteristics bits */
757 case OPTION_DYNAMIC_BASE:
758 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
759 break;
760 case OPTION_FORCE_INTEGRITY:
761 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
762 break;
763 case OPTION_NX_COMPAT:
764 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
765 break;
766 case OPTION_NO_ISOLATION:
767 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
768 break;
769 case OPTION_NO_SEH:
770 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
771 break;
772 case OPTION_NO_BIND:
773 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
774 break;
775 case OPTION_WDM_DRIVER:
776 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
777 break;
778 case OPTION_TERMINAL_SERVER_AWARE:
779 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
780 break;
781 }
783 /* Set DLLCharacteristics bits */
784 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
786 return TRUE;
787 }
788 \f
790 #ifdef DLL_SUPPORT
791 static unsigned long
792 strhash (const char *str)
793 {
794 const unsigned char *s;
795 unsigned long hash;
796 unsigned int c;
797 unsigned int len;
799 hash = 0;
800 len = 0;
801 s = (const unsigned char *) str;
802 while ((c = *s++) != '\0')
803 {
804 hash += c + (c << 17);
805 hash ^= hash >> 2;
806 ++len;
807 }
808 hash += len + (len << 17);
809 hash ^= hash >> 2;
811 return hash;
812 }
814 /* Use the output file to create a image base for relocatable DLLs. */
816 static bfd_vma
817 compute_dll_image_base (const char *ofile)
818 {
819 bfd_vma hash = (bfd_vma) strhash (ofile);
820 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
821 }
822 #endif
824 /* Assign values to the special symbols before the linker script is
825 read. */
827 static void
828 gld_${EMULATION_NAME}_set_symbols (void)
829 {
830 /* Run through and invent symbols for all the
831 names and insert the defaults. */
832 int j;
834 if (!init[IMAGEBASEOFF].inited)
835 {
836 if (link_info.relocatable)
837 init[IMAGEBASEOFF].value = 0;
838 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
839 {
840 #ifdef DLL_SUPPORT
841 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
842 ? compute_dll_image_base (output_filename)
843 : NT_DLL_IMAGE_BASE);
844 #else
845 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
846 #endif
847 }
848 else
849 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
850 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
851 }
853 /* Don't do any symbol assignments if this is a relocatable link. */
854 if (link_info.relocatable)
855 return;
857 /* Glue the assignments into the abs section. */
858 push_stat_ptr (&abs_output_section->children);
860 for (j = 0; init[j].ptr; j++)
861 {
862 bfd_vma val = init[j].value;
863 lang_assignment_statement_type *rv;
865 rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
866 exp_intop (val)));
867 if (init[j].size == sizeof (short))
868 *(short *) init[j].ptr = (short) val;
869 else if (init[j].size == sizeof (int))
870 *(int *) init[j].ptr = (int) val;
871 else if (init[j].size == sizeof (long))
872 *(long *) init[j].ptr = (long) val;
873 /* This might be a long long or other special type. */
874 else if (init[j].size == sizeof (bfd_vma))
875 *(bfd_vma *) init[j].ptr = val;
876 else abort ();
877 if (j == IMAGEBASEOFF)
878 image_base_statement = rv;
879 }
880 /* Restore the pointer. */
881 pop_stat_ptr ();
883 if (pep.FileAlignment > pep.SectionAlignment)
884 {
885 einfo (_("%P: warning, file alignment > section alignment.\n"));
886 }
887 }
889 /* This is called after the linker script and the command line options
890 have been read. */
892 static void
893 gld_${EMULATION_NAME}_after_parse (void)
894 {
895 /* PR ld/6744: Warn the user if they have used an ELF-only
896 option hoping it will work on PE+. */
897 if (link_info.export_dynamic)
898 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
899 "targets, did you mean --export-all-symbols?\n"));
901 set_entry_point ();
903 after_parse_default ();
904 }
906 /* pep-dll.c directly accesses pep_data_import_dll,
907 so it must be defined outside of #ifdef DLL_SUPPORT.
908 Note - this variable is deliberately not initialised.
909 This allows it to be treated as a common varaible, and only
910 exist in one incarnation in a multiple target enabled linker. */
911 char * pep_data_import_dll;
913 #ifdef DLL_SUPPORT
914 static struct bfd_link_hash_entry *pep_undef_found_sym;
916 static bfd_boolean
917 pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
918 {
919 int sl;
920 char *string = inf;
921 const char *hs = h->root.string;
923 sl = strlen (string);
924 if (h->type == bfd_link_hash_defined
925 && ((*hs == '@' && *string == '_'
926 && strncmp (hs + 1, string + 1, sl - 1) == 0)
927 || strncmp (hs, string, sl) == 0)
928 && h->root.string[sl] == '@')
929 {
930 pep_undef_found_sym = h;
931 return FALSE;
932 }
933 return TRUE;
934 }
936 static void
937 pep_fixup_stdcalls (void)
938 {
939 static int gave_warning_message = 0;
940 struct bfd_link_hash_entry *undef, *sym;
942 if (pep_dll_extra_pe_debug)
943 printf ("%s\n", __FUNCTION__);
945 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
946 if (undef->type == bfd_link_hash_undefined)
947 {
948 char* at = strchr (undef->root.string, '@');
949 int lead_at = (*undef->root.string == '@');
950 if (lead_at)
951 at = strchr (undef->root.string + 1, '@');
952 if (at || lead_at)
953 {
954 /* The symbol is a stdcall symbol, so let's look for a
955 cdecl symbol with the same name and resolve to that. */
956 char *cname = xstrdup (undef->root.string);
958 if (lead_at)
959 *cname = '_';
960 at = strchr (cname, '@');
961 if (at)
962 *at = 0;
963 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
965 if (sym && sym->type == bfd_link_hash_defined)
966 {
967 undef->type = bfd_link_hash_defined;
968 undef->u.def.value = sym->u.def.value;
969 undef->u.def.section = sym->u.def.section;
971 if (pep_enable_stdcall_fixup == -1)
972 {
973 einfo (_("Warning: resolving %s by linking to %s\n"),
974 undef->root.string, cname);
975 if (! gave_warning_message)
976 {
977 gave_warning_message = 1;
978 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
979 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
980 }
981 }
982 }
983 }
984 else
985 {
986 /* The symbol is a cdecl symbol, so we look for stdcall
987 symbols - which means scanning the whole symbol table. */
988 pep_undef_found_sym = 0;
989 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
990 (char *) undef->root.string);
991 sym = pep_undef_found_sym;
992 if (sym)
993 {
994 undef->type = bfd_link_hash_defined;
995 undef->u.def.value = sym->u.def.value;
996 undef->u.def.section = sym->u.def.section;
998 if (pep_enable_stdcall_fixup == -1)
999 {
1000 einfo (_("Warning: resolving %s by linking to %s\n"),
1001 undef->root.string, sym->root.string);
1002 if (! gave_warning_message)
1003 {
1004 gave_warning_message = 1;
1005 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1006 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1007 }
1008 }
1009 }
1010 }
1011 }
1012 }
1014 static int
1015 make_import_fixup (arelent *rel, asection *s)
1016 {
1017 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1018 char addend[8];
1019 bfd_vma _addend = 0;
1020 int suc = 0;
1022 if (pep_dll_extra_pe_debug)
1023 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1024 (unsigned long) rel->address, (long) rel->addend);
1026 memset (addend, 0, sizeof (addend));
1027 switch ((rel->howto->bitsize))
1028 {
1029 case 8:
1030 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
1031 if (suc && rel->howto->pc_relative)
1032 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
1033 else if (suc)
1034 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
1035 break;
1036 case 16:
1037 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
1038 if (suc && rel->howto->pc_relative)
1039 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
1040 else if (suc)
1041 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
1042 break;
1043 case 32:
1044 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
1045 if (suc && rel->howto->pc_relative)
1046 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
1047 else if (suc)
1048 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
1049 break;
1050 case 64:
1051 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
1052 if (suc)
1053 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
1054 break;
1055 }
1056 if (! suc)
1057 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1058 s->owner, s, rel->address);
1060 if (pep_dll_extra_pe_debug)
1061 {
1062 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
1063 if (rel->howto->pc_relative) printf (" pcrel");
1064 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
1065 }
1066 pep_create_import_fixup (rel, s, _addend);
1068 return 1;
1069 }
1071 static void
1072 pep_find_data_imports (void)
1073 {
1074 struct bfd_link_hash_entry *undef, *sym;
1076 if (link_info.pei386_auto_import == 0)
1077 return;
1079 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1080 {
1081 if (undef->type == bfd_link_hash_undefined)
1082 {
1083 /* C++ symbols are *long*. */
1084 char buf[4096];
1086 if (pep_dll_extra_pe_debug)
1087 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1089 sprintf (buf, "__imp_%s", undef->root.string);
1091 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1093 if (sym && sym->type == bfd_link_hash_defined)
1094 {
1095 bfd *b = sym->u.def.section->owner;
1096 asymbol **symbols;
1097 int nsyms, i;
1099 if (link_info.pei386_auto_import == -1)
1100 {
1101 static bfd_boolean warned = FALSE;
1103 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1104 undef->root.string, buf);
1106 /* PR linker/4844. */
1107 if (! warned)
1108 {
1109 warned = TRUE;
1110 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1111 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1112 }
1113 }
1115 if (!bfd_generic_link_read_symbols (b))
1116 {
1117 einfo (_("%B%F: could not read symbols: %E\n"), b);
1118 return;
1119 }
1121 symbols = bfd_get_outsymbols (b);
1122 nsyms = bfd_get_symcount (b);
1124 for (i = 0; i < nsyms; i++)
1125 {
1126 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
1127 continue;
1129 if (pep_dll_extra_pe_debug)
1130 printf ("->%s\n", symbols[i]->name);
1132 pep_data_import_dll = (char*) (symbols[i]->name +
1133 U_SIZE ("_head_") - 1);
1134 break;
1135 }
1137 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1138 make_import_fixup);
1140 /* Let's differentiate it somehow from defined. */
1141 undef->type = bfd_link_hash_defweak;
1142 /* We replace original name with __imp_ prefixed, this
1143 1) may trash memory 2) leads to duplicate symbol generation.
1144 Still, IMHO it's better than having name poluted. */
1145 undef->root.string = sym->root.string;
1146 undef->u.def.value = sym->u.def.value;
1147 undef->u.def.section = sym->u.def.section;
1148 }
1149 }
1150 }
1151 }
1153 static bfd_boolean
1154 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1155 {
1156 if (pep_dll_extra_pe_debug)
1157 printf ("+%s\n", h->string);
1159 return TRUE;
1160 }
1161 #endif /* DLL_SUPPORT */
1163 static void
1164 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1165 {
1166 int *found = (int *) obj;
1167 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1168 *found = 1;
1169 }
1171 static void
1172 gld_${EMULATION_NAME}_after_open (void)
1173 {
1174 #ifdef DLL_SUPPORT
1175 if (pep_dll_extra_pe_debug)
1176 {
1177 bfd *a;
1178 struct bfd_link_hash_entry *sym;
1180 printf ("%s()\n", __FUNCTION__);
1182 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1183 printf ("-%s\n", sym->root.string);
1184 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1186 for (a = link_info.input_bfds; a; a = a->link_next)
1187 printf ("*%s\n",a->filename);
1188 }
1189 #endif
1191 /* Pass the wacky PE command line options into the output bfd.
1192 FIXME: This should be done via a function, rather than by
1193 including an internal BFD header. */
1195 if (coff_data (link_info.output_bfd) == NULL
1196 || coff_data (link_info.output_bfd)->pe == 0)
1197 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1198 link_info.output_bfd);
1200 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1201 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1202 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1204 /* At this point we must decide whether to use long section names
1205 in the output or not. If the user hasn't explicitly specified
1206 on the command line, we leave it to the default for the format
1207 (object files yes, image files no), except if there is debug
1208 information present; GDB relies on the long section names to
1209 find it, so enable it in that case. */
1210 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1211 {
1212 /* Iterate over all sections of all input BFDs, checking
1213 for any that begin 'debug_' and are long names. */
1214 LANG_FOR_EACH_INPUT_STATEMENT (is)
1215 {
1216 int found_debug = 0;
1217 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1218 if (found_debug)
1219 {
1220 pep_use_coff_long_section_names = 1;
1221 break;
1222 }
1223 }
1224 }
1226 pep_output_file_set_long_section_names (link_info.output_bfd);
1228 #ifdef DLL_SUPPORT
1229 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1230 pep_fixup_stdcalls ();
1232 pep_process_import_defs (link_info.output_bfd, &link_info);
1234 pep_find_data_imports ();
1236 /* As possibly new symbols are added by imports, we rerun
1237 stdcall/fastcall fixup here. */
1238 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1239 pep_fixup_stdcalls ();
1241 #ifndef TARGET_IS_i386pep
1242 if (link_info.shared)
1243 #else
1244 if (!link_info.relocatable)
1245 #endif
1246 pep_dll_build_sections (link_info.output_bfd, &link_info);
1248 #ifndef TARGET_IS_i386pep
1249 else
1250 pep_exe_build_sections (link_info.output_bfd, &link_info);
1251 #endif
1252 #endif /* DLL_SUPPORT */
1254 {
1255 /* This next chunk of code tries to detect the case where you have
1256 two import libraries for the same DLL (specifically,
1257 symbolically linking libm.a and libc.a in cygwin to
1258 libcygwin.a). In those cases, it's possible for function
1259 thunks from the second implib to be used but without the
1260 head/tail objects, causing an improper import table. We detect
1261 those cases and rename the "other" import libraries to match
1262 the one the head/tail come from, so that the linker will sort
1263 things nicely and produce a valid import table. */
1265 LANG_FOR_EACH_INPUT_STATEMENT (is)
1266 {
1267 if (is->the_bfd->my_archive)
1268 {
1269 int idata2 = 0, reloc_count=0, is_imp = 0;
1270 asection *sec;
1272 /* See if this is an import library thunk. */
1273 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1274 {
1275 if (strcmp (sec->name, ".idata\$2") == 0)
1276 idata2 = 1;
1277 if (CONST_STRNEQ (sec->name, ".idata\$"))
1278 is_imp = 1;
1279 reloc_count += sec->reloc_count;
1280 }
1282 if (is_imp && !idata2 && reloc_count)
1283 {
1284 /* It is, look for the reference to head and see if it's
1285 from our own library. */
1286 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1287 {
1288 int i;
1289 long relsize;
1290 asymbol **symbols;
1291 arelent **relocs;
1292 int nrelocs;
1294 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1295 if (relsize < 1)
1296 break;
1298 if (!bfd_generic_link_read_symbols (is->the_bfd))
1299 {
1300 einfo (_("%B%F: could not read symbols: %E\n"),
1301 is->the_bfd);
1302 return;
1303 }
1304 symbols = bfd_get_outsymbols (is->the_bfd);
1306 relocs = xmalloc ((size_t) relsize);
1307 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1308 relocs, symbols);
1309 if (nrelocs < 0)
1310 {
1311 free (relocs);
1312 einfo ("%X%P: unable to process relocs: %E\n");
1313 return;
1314 }
1316 for (i = 0; i < nrelocs; i++)
1317 {
1318 struct bfd_symbol *s;
1319 struct bfd_link_hash_entry * blhe;
1320 char *other_bfd_filename;
1321 char *n;
1323 s = (relocs[i]->sym_ptr_ptr)[0];
1325 if (s->flags & BSF_LOCAL)
1326 continue;
1328 /* Thunk section with reloc to another bfd. */
1329 blhe = bfd_link_hash_lookup (link_info.hash,
1330 s->name,
1331 FALSE, FALSE, TRUE);
1333 if (blhe == NULL
1334 || blhe->type != bfd_link_hash_defined)
1335 continue;
1337 other_bfd_filename
1338 = blhe->u.def.section->owner->my_archive
1339 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1340 : bfd_get_filename (blhe->u.def.section->owner);
1342 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1343 other_bfd_filename) == 0)
1344 continue;
1346 /* Rename this implib to match the other one. */
1347 n = xmalloc (strlen (other_bfd_filename) + 1);
1348 strcpy (n, other_bfd_filename);
1349 is->the_bfd->my_archive->filename = n;
1350 }
1352 free (relocs);
1353 /* Note - we do not free the symbols,
1354 they are now cached in the BFD. */
1355 }
1356 }
1357 }
1358 }
1359 }
1361 {
1362 int is_ms_arch = 0;
1363 bfd *cur_arch = 0;
1364 lang_input_statement_type *is2;
1365 lang_input_statement_type *is3;
1367 /* Careful - this is a shell script. Watch those dollar signs! */
1368 /* Microsoft import libraries have every member named the same,
1369 and not in the right order for us to link them correctly. We
1370 must detect these and rename the members so that they'll link
1371 correctly. There are three types of objects: the head, the
1372 thunks, and the sentinel(s). The head is easy; it's the one
1373 with idata2. We assume that the sentinels won't have relocs,
1374 and the thunks will. It's easier than checking the symbol
1375 table for external references. */
1376 LANG_FOR_EACH_INPUT_STATEMENT (is)
1377 {
1378 if (is->the_bfd->my_archive)
1379 {
1380 char *pnt;
1381 bfd *arch = is->the_bfd->my_archive;
1383 if (cur_arch != arch)
1384 {
1385 cur_arch = arch;
1386 is_ms_arch = 1;
1388 for (is3 = is;
1389 is3 && is3->the_bfd->my_archive == arch;
1390 is3 = (lang_input_statement_type *) is3->next)
1391 {
1392 /* A MS dynamic import library can also contain static
1393 members, so look for the first element with a .dll
1394 extension, and use that for the remainder of the
1395 comparisons. */
1396 pnt = strrchr (is3->the_bfd->filename, '.');
1397 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1398 break;
1399 }
1401 if (is3 == NULL)
1402 is_ms_arch = 0;
1403 else
1404 {
1405 /* OK, found one. Now look to see if the remaining
1406 (dynamic import) members use the same name. */
1407 for (is2 = is;
1408 is2 && is2->the_bfd->my_archive == arch;
1409 is2 = (lang_input_statement_type *) is2->next)
1410 {
1411 /* Skip static members, ie anything with a .obj
1412 extension. */
1413 pnt = strrchr (is2->the_bfd->filename, '.');
1414 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1415 continue;
1417 if (strcmp (is3->the_bfd->filename,
1418 is2->the_bfd->filename))
1419 {
1420 is_ms_arch = 0;
1421 break;
1422 }
1423 }
1424 }
1425 }
1427 /* This fragment might have come from an .obj file in a Microsoft
1428 import, and not an actual import record. If this is the case,
1429 then leave the filename alone. */
1430 pnt = strrchr (is->the_bfd->filename, '.');
1432 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1433 {
1434 int idata2 = 0, reloc_count=0;
1435 asection *sec;
1436 char *new_name, seq;
1438 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1439 {
1440 if (strcmp (sec->name, ".idata\$2") == 0)
1441 idata2 = 1;
1442 reloc_count += sec->reloc_count;
1443 }
1445 if (idata2) /* .idata2 is the TOC */
1446 seq = 'a';
1447 else if (reloc_count > 0) /* thunks */
1448 seq = 'b';
1449 else /* sentinel */
1450 seq = 'c';
1452 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1453 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1454 is->the_bfd->filename = new_name;
1456 new_name = xmalloc (strlen (is->filename) + 3);
1457 sprintf (new_name, "%s.%c", is->filename, seq);
1458 is->filename = new_name;
1459 }
1460 }
1461 }
1462 }
1463 }
1464 \f
1465 static void
1466 gld_${EMULATION_NAME}_before_allocation (void)
1467 {
1468 before_allocation_default ();
1469 }
1470 \f
1471 #ifdef DLL_SUPPORT
1472 /* This is called when an input file isn't recognized as a BFD. We
1473 check here for .DEF files and pull them in automatically. */
1475 static int
1476 saw_option (char *option)
1477 {
1478 int i;
1480 for (i = 0; init[i].ptr; i++)
1481 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1482 return init[i].inited;
1483 return 0;
1484 }
1485 #endif /* DLL_SUPPORT */
1487 static bfd_boolean
1488 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1489 {
1490 #ifdef DLL_SUPPORT
1491 const char *ext = entry->filename + strlen (entry->filename) - 4;
1493 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1494 {
1495 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1497 if (pep_def_file)
1498 {
1499 int i, buflen=0, len;
1500 char *buf;
1502 for (i = 0; i < pep_def_file->num_exports; i++)
1503 {
1504 len = strlen (pep_def_file->exports[i].internal_name);
1505 if (buflen < len + 2)
1506 buflen = len + 2;
1507 }
1509 buf = xmalloc (buflen);
1511 for (i = 0; i < pep_def_file->num_exports; i++)
1512 {
1513 struct bfd_link_hash_entry *h;
1515 sprintf (buf, "%s%s", U (""),
1516 pep_def_file->exports[i].internal_name);
1518 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1519 if (h == (struct bfd_link_hash_entry *) NULL)
1520 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1521 if (h->type == bfd_link_hash_new)
1522 {
1523 h->type = bfd_link_hash_undefined;
1524 h->u.undef.abfd = NULL;
1525 bfd_link_add_undef (link_info.hash, h);
1526 }
1527 }
1528 free (buf);
1530 /* def_file_print (stdout, pep_def_file); */
1531 if (pep_def_file->is_dll == 1)
1532 link_info.shared = 1;
1534 if (pep_def_file->base_address != (bfd_vma)(-1))
1535 {
1536 pep.ImageBase
1537 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1538 = init[IMAGEBASEOFF].value
1539 = pep_def_file->base_address;
1540 init[IMAGEBASEOFF].inited = 1;
1541 if (image_base_statement)
1542 image_base_statement->exp = exp_assop ('=', "__image_base__",
1543 exp_intop (pep.ImageBase));
1544 }
1546 if (pep_def_file->stack_reserve != -1
1547 && ! saw_option ("__size_of_stack_reserve__"))
1548 {
1549 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1550 if (pep_def_file->stack_commit != -1)
1551 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1552 }
1553 if (pep_def_file->heap_reserve != -1
1554 && ! saw_option ("__size_of_heap_reserve__"))
1555 {
1556 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1557 if (pep_def_file->heap_commit != -1)
1558 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1559 }
1560 return TRUE;
1561 }
1562 }
1563 #endif
1564 return FALSE;
1565 }
1567 static bfd_boolean
1568 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1569 {
1570 #ifdef DLL_SUPPORT
1571 #ifdef TARGET_IS_i386pep
1572 pep_dll_id_target ("pei-x86-64");
1573 #endif
1574 if (pep_bfd_is_dll (entry->the_bfd))
1575 return pep_implied_import_dll (entry->filename);
1576 #endif
1577 return FALSE;
1578 }
1580 static void
1581 gld_${EMULATION_NAME}_finish (void)
1582 {
1583 finish_default ();
1585 #ifdef DLL_SUPPORT
1586 if (link_info.shared
1587 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1588 {
1589 pep_dll_fill_sections (link_info.output_bfd, &link_info);
1590 if (pep_implib_filename)
1591 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1592 }
1594 if (pep_out_def_filename)
1595 pep_dll_generate_def_file (pep_out_def_filename);
1596 #endif /* DLL_SUPPORT */
1598 /* I don't know where .idata gets set as code, but it shouldn't be. */
1599 {
1600 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1602 if (asec)
1603 {
1604 asec->flags &= ~SEC_CODE;
1605 asec->flags |= SEC_DATA;
1606 }
1607 }
1608 }
1610 \f
1611 /* Place an orphan section.
1613 We use this to put sections in a reasonable place in the file, and
1614 to ensure that they are aligned as required.
1616 We handle grouped sections here as well. A section named .foo\$nn
1617 goes into the output section .foo. All grouped sections are sorted
1618 by name.
1620 Grouped sections for the default sections are handled by the
1621 default linker script using wildcards, and are sorted by
1622 sort_sections. */
1624 static lang_output_section_statement_type *
1625 gld_${EMULATION_NAME}_place_orphan (asection *s,
1626 const char *secname,
1627 int constraint)
1628 {
1629 const char *orig_secname = secname;
1630 char *dollar = NULL;
1631 lang_output_section_statement_type *os;
1632 lang_statement_list_type add_child;
1633 lang_output_section_statement_type *match_by_name = NULL;
1634 lang_statement_union_type **pl;
1636 /* Look through the script to see where to place this section. */
1637 if (!link_info.relocatable
1638 && (dollar = strchr (secname, '\$')) != NULL)
1639 {
1640 size_t len = dollar - secname;
1641 char *newname = xmalloc (len + 1);
1642 memcpy (newname, secname, len);
1643 newname[len] = '\0';
1644 secname = newname;
1645 }
1647 lang_list_init (&add_child);
1649 os = NULL;
1650 if (constraint == 0)
1651 for (os = lang_output_section_find (secname);
1652 os != NULL;
1653 os = next_matching_output_section_statement (os, 0))
1654 {
1655 /* If we don't match an existing output section, tell
1656 lang_insert_orphan to create a new output section. */
1657 constraint = SPECIAL;
1659 if (os->bfd_section != NULL
1660 && (os->bfd_section->flags == 0
1661 || ((s->flags ^ os->bfd_section->flags)
1662 & (SEC_LOAD | SEC_ALLOC)) == 0))
1663 {
1664 /* We already have an output section statement with this
1665 name, and its bfd section has compatible flags.
1666 If the section already exists but does not have any flags set,
1667 then it has been created by the linker, probably as a result of
1668 a --section-start command line switch. */
1669 lang_add_section (&add_child, s, os);
1670 break;
1671 }
1673 /* Save unused output sections in case we can match them
1674 against orphans later. */
1675 if (os->bfd_section == NULL)
1676 match_by_name = os;
1677 }
1679 /* If we didn't match an active output section, see if we matched an
1680 unused one and use that. */
1681 if (os == NULL && match_by_name)
1682 {
1683 lang_add_section (&match_by_name->children, s, match_by_name);
1684 return match_by_name;
1685 }
1687 if (os == NULL)
1688 {
1689 static struct orphan_save hold[] =
1690 {
1691 { ".text",
1692 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1693 0, 0, 0, 0 },
1694 { ".rdata",
1695 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1696 0, 0, 0, 0 },
1697 { ".data",
1698 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1699 0, 0, 0, 0 },
1700 { ".bss",
1701 SEC_ALLOC,
1702 0, 0, 0, 0 }
1703 };
1704 enum orphan_save_index
1705 {
1706 orphan_text = 0,
1707 orphan_rodata,
1708 orphan_data,
1709 orphan_bss
1710 };
1711 static int orphan_init_done = 0;
1712 struct orphan_save *place;
1713 lang_output_section_statement_type *after;
1714 etree_type *address;
1716 if (!orphan_init_done)
1717 {
1718 struct orphan_save *ho;
1719 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1720 if (ho->name != NULL)
1721 {
1722 ho->os = lang_output_section_find (ho->name);
1723 if (ho->os != NULL && ho->os->flags == 0)
1724 ho->os->flags = ho->flags;
1725 }
1726 orphan_init_done = 1;
1727 }
1729 /* Try to put the new output section in a reasonable place based
1730 on the section name and section flags. */
1732 place = NULL;
1733 if ((s->flags & SEC_ALLOC) == 0)
1734 ;
1735 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1736 place = &hold[orphan_bss];
1737 else if ((s->flags & SEC_READONLY) == 0)
1738 place = &hold[orphan_data];
1739 else if ((s->flags & SEC_CODE) == 0)
1740 place = &hold[orphan_rodata];
1741 else
1742 place = &hold[orphan_text];
1744 after = NULL;
1745 if (place != NULL)
1746 {
1747 if (place->os == NULL)
1748 place->os = lang_output_section_find (place->name);
1749 after = place->os;
1750 if (after == NULL)
1751 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1752 if (after == NULL)
1753 /* *ABS* is always the first output section statement. */
1754 after = (&lang_output_section_statement.head
1755 ->output_section_statement);
1756 }
1758 /* All sections in an executable must be aligned to a page boundary. */
1759 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1760 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1761 &add_child);
1762 }
1764 /* If the section name has a '\$', sort it with the other '\$'
1765 sections. */
1766 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1767 {
1768 lang_input_section_type *ls;
1769 const char *lname;
1771 if ((*pl)->header.type != lang_input_section_enum)
1772 continue;
1774 ls = &(*pl)->input_section;
1776 lname = bfd_get_section_name (ls->section->owner, ls->section);
1777 if (strchr (lname, '\$') != NULL
1778 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1779 break;
1780 }
1782 if (add_child.head != NULL)
1783 {
1784 *add_child.tail = *pl;
1785 *pl = add_child.head;
1786 }
1788 return os;
1789 }
1791 static bfd_boolean
1792 gld_${EMULATION_NAME}_open_dynamic_archive
1793 (const char *arch ATTRIBUTE_UNUSED,
1794 search_dirs_type *search,
1795 lang_input_statement_type *entry)
1796 {
1797 static const struct
1798 {
1799 const char * format;
1800 bfd_boolean use_prefix;
1801 }
1802 libname_fmt [] =
1803 {
1804 /* Preferred explicit import library for dll's. */
1805 { "lib%s.dll.a", FALSE },
1806 /* Alternate explicit import library for dll's. */
1807 { "%s.dll.a", FALSE },
1808 /* "libfoo.a" could be either an import lib or a static lib.
1809 For backwards compatibility, libfoo.a needs to precede
1810 libfoo.dll and foo.dll in the search. */
1811 { "lib%s.a", FALSE },
1812 /* The 'native' spelling of an import lib name is "foo.lib". */
1813 { "%s.lib", FALSE },
1814 #ifdef DLL_SUPPORT
1815 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1816 { "%s%s.dll", TRUE },
1817 #endif
1818 /* Try "libfoo.dll" (default preferred dll name). */
1819 { "lib%s.dll", FALSE },
1820 /* Finally try 'native' dll name "foo.dll". */
1821 { "%s.dll", FALSE },
1822 /* Note: If adding more formats to this table, make sure to check to
1823 see if their length is longer than libname_fmt[0].format, and if
1824 so, update the call to xmalloc() below. */
1825 { NULL, FALSE }
1826 };
1827 static unsigned int format_max_len = 0;
1828 const char * filename;
1829 char * full_string;
1830 char * base_string;
1831 unsigned int i;
1834 if (! entry->is_archive)
1835 return FALSE;
1837 filename = entry->filename;
1839 if (format_max_len == 0)
1840 /* We need to allow space in the memory that we are going to allocate
1841 for the characters in the format string. Since the format array is
1842 static we only need to calculate this information once. In theory
1843 this value could also be computed statically, but this introduces
1844 the possibility for a discrepancy and hence a possible memory
1845 corruption. The lengths we compute here will be too long because
1846 they will include any formating characters (%s) in the strings, but
1847 this will not matter. */
1848 for (i = 0; libname_fmt[i].format; i++)
1849 if (format_max_len < strlen (libname_fmt[i].format))
1850 format_max_len = strlen (libname_fmt[i].format);
1852 full_string = xmalloc (strlen (search->name)
1853 + strlen (filename)
1854 + format_max_len
1855 #ifdef DLL_SUPPORT
1856 + (pep_dll_search_prefix
1857 ? strlen (pep_dll_search_prefix) : 0)
1858 #endif
1859 /* Allow for the terminating NUL and for the path
1860 separator character that is inserted between
1861 search->name and the start of the format string. */
1862 + 2);
1864 sprintf (full_string, "%s/", search->name);
1865 base_string = full_string + strlen (full_string);
1867 for (i = 0; libname_fmt[i].format; i++)
1868 {
1869 #ifdef DLL_SUPPORT
1870 if (libname_fmt[i].use_prefix)
1871 {
1872 if (!pep_dll_search_prefix)
1873 continue;
1874 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1875 }
1876 else
1877 #endif
1878 sprintf (base_string, libname_fmt[i].format, filename);
1880 if (ldfile_try_open_bfd (full_string, entry))
1881 break;
1882 }
1884 if (!libname_fmt[i].format)
1885 {
1886 free (full_string);
1887 return FALSE;
1888 }
1890 entry->filename = full_string;
1892 return TRUE;
1893 }
1895 static int
1896 gld_${EMULATION_NAME}_find_potential_libraries
1897 (char *name, lang_input_statement_type *entry)
1898 {
1899 return ldfile_open_file_search (name, entry, "", ".lib");
1900 }
1901 \f
1902 static char *
1903 gld_${EMULATION_NAME}_get_script (int *isfile)
1904 EOF
1905 # Scripts compiled in.
1906 # sed commands to quote an ld script as a C string.
1907 sc="-f stringify.sed"
1909 fragment <<EOF
1910 {
1911 *isfile = 0;
1913 if (link_info.relocatable && config.build_constructors)
1914 return
1915 EOF
1916 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1917 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1918 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1919 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1920 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1921 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1922 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1923 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1924 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
1925 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1926 fi
1927 echo ' ; else return' >> e${EMULATION_NAME}.c
1928 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1929 echo '; }' >> e${EMULATION_NAME}.c
1931 fragment <<EOF
1934 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1935 {
1936 gld_${EMULATION_NAME}_before_parse,
1937 syslib_default,
1938 hll_default,
1939 gld_${EMULATION_NAME}_after_parse,
1940 gld_${EMULATION_NAME}_after_open,
1941 after_allocation_default,
1942 set_output_arch_default,
1943 ldemul_default_target,
1944 gld_${EMULATION_NAME}_before_allocation,
1945 gld_${EMULATION_NAME}_get_script,
1946 "${EMULATION_NAME}",
1947 "${OUTPUT_FORMAT}",
1948 gld_${EMULATION_NAME}_finish,
1949 NULL, /* Create output section statements. */
1950 gld_${EMULATION_NAME}_open_dynamic_archive,
1951 gld_${EMULATION_NAME}_place_orphan,
1952 gld_${EMULATION_NAME}_set_symbols,
1953 NULL, /* parse_args */
1954 gld${EMULATION_NAME}_add_options,
1955 gld${EMULATION_NAME}_handle_option,
1956 gld_${EMULATION_NAME}_unrecognized_file,
1957 gld_${EMULATION_NAME}_list_options,
1958 gld_${EMULATION_NAME}_recognized_file,
1959 gld_${EMULATION_NAME}_find_potential_libraries,
1960 NULL /* new_vers_pattern. */
1961 };
1962 EOF