1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
8 rm -f e${EMULATION_NAME}.c
9 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
12 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
14 This file is part of the GNU Binutils.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 3 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
33 /* The original file generated returned different default scripts depending
34 on whether certain switches were set, but these switches pertain to the
35 Linux system and that particular version of coff. In the NT case, we
36 only determine if the subsystem is console or windows in order to select
37 the correct entry point by default. */
39 #define TARGET_IS_${EMULATION_NAME}
41 /* Do this before including bfd.h, so we prototype the right functions. */
43 #if defined(TARGET_IS_armpe) \
44 || defined(TARGET_IS_arm_epoc_pe) \
45 || defined(TARGET_IS_arm_wince_pe)
46 #define bfd_arm_allocate_interworking_sections \
47 bfd_${EMULATION_NAME}_allocate_interworking_sections
48 #define bfd_arm_get_bfd_for_interworking \
49 bfd_${EMULATION_NAME}_get_bfd_for_interworking
50 #define bfd_arm_process_before_allocation \
51 bfd_${EMULATION_NAME}_process_before_allocation
58 #include "libiberty.h"
69 #include "coff/internal.h"
71 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
72 header in generic PE code. */
73 #include "coff/i386.h"
76 /* FIXME: This is a BFD internal header file, and we should not be
78 #include "../bfd/libcoff.h"
82 #include "safe-ctype.h"
84 /* Permit the emulation parameters to override the default section
85 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
86 it seem that include/coff/internal.h should not define
87 PE_DEF_SECTION_ALIGNMENT. */
88 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
89 #undef PE_DEF_SECTION_ALIGNMENT
90 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
93 #if defined(TARGET_IS_i386pe) \
94 || defined(TARGET_IS_shpe) \
95 || defined(TARGET_IS_mipspe) \
96 || defined(TARGET_IS_armpe) \
97 || defined(TARGET_IS_arm_epoc_pe) \
98 || defined(TARGET_IS_arm_wince_pe)
102 #if defined(TARGET_IS_i386pe)
103 #define DEFAULT_PSEUDO_RELOC_VERSION 2
105 #define DEFAULT_PSEUDO_RELOC_VERSION 1
108 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
109 #define PE_DEF_SUBSYSTEM 3
111 #undef NT_EXE_IMAGE_BASE
112 #undef PE_DEF_SECTION_ALIGNMENT
113 #undef PE_DEF_FILE_ALIGNMENT
114 #define NT_EXE_IMAGE_BASE 0x00010000
116 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
117 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
118 #define PE_DEF_SUBSYSTEM 9
120 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
121 #define PE_DEF_SUBSYSTEM 2
123 #define PE_DEF_FILE_ALIGNMENT 0x00000200
126 static struct internal_extra_pe_aouthdr pe;
128 static int pe_subsystem = ${SUBSYSTEM};
129 static flagword real_flags = 0;
130 static int support_old_code = 0;
131 static char * thumb_entry_symbol = NULL;
132 static lang_assignment_statement_type *image_base_statement = 0;
133 static unsigned short pe_dll_characteristics = 0;
136 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
137 static char *pe_out_def_filename = NULL;
138 static char *pe_implib_filename = NULL;
139 static int pe_enable_auto_image_base = 0;
140 static char *pe_dll_search_prefix = NULL;
143 extern const char *output_filename;
146 gld_${EMULATION_NAME}_before_parse (void)
149 /* Now we check target's default for getting proper symbol_char. */
150 u = pe_leading_underscore;
152 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
153 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
157 pe_leading_underscore = u;
159 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
160 output_filename = "${EXECUTABLE_NAME:-a.exe}";
162 config.dynamic_link = TRUE;
163 config.has_shared = 1;
166 # Cygwin no longer wants these noisy warnings. Other PE
167 # targets might like to consider adding themselves here.
170 default_auto_import=1
173 default_auto_import=-1
178 link_info.pei386_auto_import = ${default_auto_import};
179 /* Use by default version. */
180 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
184 /* PE format extra command line options. */
186 /* Used for setting flags in the PE header. */
187 #define OPTION_BASE_FILE (300 + 1)
188 #define OPTION_DLL (OPTION_BASE_FILE + 1)
189 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
190 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
191 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
192 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
193 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
194 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
195 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
196 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
197 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
198 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
199 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
200 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
201 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
202 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
203 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
204 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
205 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
206 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
207 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
208 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
209 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
210 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
211 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
212 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
213 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
214 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
215 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
216 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
217 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
218 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
219 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
220 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
221 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
222 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
223 (OPTION_EXCLUDE_LIBS + 1)
224 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
225 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
226 #define OPTION_LARGE_ADDRESS_AWARE \
227 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
228 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
229 (OPTION_LARGE_ADDRESS_AWARE + 1)
230 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
231 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
232 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
233 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
234 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
235 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
236 #define OPTION_NO_LEADING_UNDERSCORE \
237 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
238 #define OPTION_LEADING_UNDERSCORE \
239 (OPTION_NO_LEADING_UNDERSCORE + 1)
240 #define OPTION_ENABLE_LONG_SECTION_NAMES \
241 (OPTION_LEADING_UNDERSCORE + 1)
242 #define OPTION_DISABLE_LONG_SECTION_NAMES \
243 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
244 /* DLLCharacteristics flags */
245 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
246 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
247 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
248 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
249 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
250 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
251 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
252 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
255 gld${EMULATION_NAME}_add_options
256 (int ns ATTRIBUTE_UNUSED,
257 char **shortopts ATTRIBUTE_UNUSED,
259 struct option **longopts,
260 int nrl ATTRIBUTE_UNUSED,
261 struct option **really_longopts ATTRIBUTE_UNUSED)
263 static const struct option xtra_long[] = {
265 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
266 {"dll", no_argument, NULL, OPTION_DLL},
267 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
268 {"heap", required_argument, NULL, OPTION_HEAP},
269 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
270 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
271 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
272 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
273 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
274 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
275 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
276 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
277 {"stack", required_argument, NULL, OPTION_STACK},
278 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
279 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
280 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
281 {"use-nul-prefixed-import-tables", no_argument, NULL,
282 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
283 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
284 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
286 /* getopt allows abbreviations, so we do this to stop it
287 from treating -o as an abbreviation for this option. */
288 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
289 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
290 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
291 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
292 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
293 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
294 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
295 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
296 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
297 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
298 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
299 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
300 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
301 /* getopt() allows abbreviations, so we do this to stop it from
302 treating -c as an abbreviation for these --compat-implib. */
303 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
304 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
305 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
306 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
307 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
308 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
309 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
310 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
311 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
312 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
313 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
314 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
315 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
317 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
318 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
319 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
320 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
321 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
322 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
323 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
324 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
325 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
326 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
327 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
328 {NULL, no_argument, NULL, 0}
332 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
333 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
336 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
337 parameters which may be input from the command line. */
346 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
347 C visible symbols can be prefixed by underscore dependent to target's
349 bfd_boolean is_c_symbol;
352 /* Get symbol name dependent to kind and C visible state of
354 #define GET_INIT_SYMBOL_NAME(IDX) \
355 (init[(IDX)].symbol \
356 + ((init[(IDX)].is_c_symbol == FALSE || pe_leading_underscore != 0) ? 0 : 1))
358 /* Decorates the C visible symbol by underscore, if target requires. */
360 (pe_leading_underscore == 0 ? CSTR : "_" CSTR)
362 /* Get size of constant string for a possible underscore prefixed
364 #define U_SIZE(CSTR) \
365 (sizeof (CSTR) + pe_leading_underscore == 0 ? 0 : 1)
367 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
369 static definfo init[] =
371 /* imagebase must be first */
372 #define IMAGEBASEOFF 0
373 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
375 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
376 #define MSIMAGEBASEOFF 2
377 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
378 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
379 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
380 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
381 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
382 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
383 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
384 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
385 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
387 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
389 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
390 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
391 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
392 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
393 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
394 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
395 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
396 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
397 { NULL, 0, 0, NULL, 0 , FALSE}
402 gld_${EMULATION_NAME}_list_options (FILE *file)
404 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
405 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
406 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
407 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
408 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
409 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
410 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
411 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
412 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
413 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
414 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
415 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
416 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
417 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
418 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
419 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
420 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
422 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
423 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
424 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
425 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
426 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
427 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
428 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
429 fprintf (file, _(" Exclude objects, archive members from auto\n"));
430 fprintf (file, _(" export, place into import library instead.\n"));
431 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
432 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
433 fprintf (file, _(" --out-implib <file> Generate import library\n"));
434 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
435 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
436 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
437 create __imp_<SYMBOL> as well.\n"));
438 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
439 unless user specifies one\n"));
440 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
441 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
442 an importlib, use <string><basename>.dll\n\
443 in preference to lib<basename>.dll \n"));
444 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
445 __imp_sym for DATA references\n"));
446 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
447 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
448 adding pseudo-relocations resolved at\n\
450 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
451 auto-imported DATA.\n"));
452 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
453 or linking to DLLs (esp. auto-import)\n"));
455 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
456 greater than 2 gigabytes\n"));
457 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
458 executable image files\n"));
459 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
460 in object files\n"));
461 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
462 address space layout randomization (ASLR)\n"));
463 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
464 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
465 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
466 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
467 be called in this image\n"));
468 fprintf (file, _(" --no-bind Do not bind this image\n"));
469 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
470 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
475 set_pe_name (char *name, long val)
479 /* Now we check target's default for getting proper symbol_char. */
480 u = pe_leading_underscore;
482 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
483 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
487 pe_leading_underscore = u;
489 /* Find the name and set it. */
490 for (i = 0; init[i].ptr; i++)
492 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
496 if (strcmp (name,"__image_base__") == 0)
497 set_pe_name (U ("__ImageBase"), val);
505 set_entry_point (void)
508 const char *initial_symbol_char;
518 { 1, "NtProcessStartup" },
519 { 2, "WinMainCRTStartup" },
520 { 3, "mainCRTStartup" },
521 { 7, "__PosixProcessStartup"},
522 { 9, "WinMainCRTStartup" },
523 {14, "mainCRTStartup" },
527 /* Entry point name for arbitrary subsystem numbers. */
528 static const char default_entry[] = "mainCRTStartup";
530 if (link_info.shared || dll)
532 #if defined (TARGET_IS_i386pe)
533 entry = "DllMainCRTStartup@12";
535 entry = "DllMainCRTStartup";
541 for (i = 0; v[i].entry; i++)
542 if (v[i].value == pe_subsystem)
545 /* If no match, use the default. */
546 if (v[i].entry != NULL)
549 entry = default_entry;
552 /* Now we check target's default for getting proper symbol_char. */
553 u = pe_leading_underscore;
555 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
556 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
560 initial_symbol_char = (u == 1 ? "_" : "");
561 pe_leading_underscore = u;
563 if (*initial_symbol_char != '\0')
567 /* lang_default_entry expects its argument to be permanently
568 allocated, so we don't free this string. */
569 alc_entry = xmalloc (strlen (initial_symbol_char)
572 strcpy (alc_entry, initial_symbol_char);
573 strcat (alc_entry, entry);
577 lang_default_entry (entry);
581 set_pe_subsystem (void)
587 unsigned long temp_subsystem;
604 /* Check for the presence of a version number. */
605 sver = strchr (optarg, ':');
607 len = strlen (optarg);
611 set_pe_name ("__major_subsystem_version__",
612 strtoul (sver + 1, &end, 0));
614 set_pe_name ("__minor_subsystem_version__",
615 strtoul (end + 1, &end, 0));
617 einfo (_("%P: warning: bad version number in -subsystem option\n"));
620 /* Check for numeric subsystem. */
621 temp_subsystem = strtoul (optarg, & end, 0);
622 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
624 /* Search list for a numeric match to use its entry point. */
625 for (i = 0; v[i].name; i++)
626 if (v[i].value == (int) temp_subsystem)
629 /* Use this subsystem. */
630 pe_subsystem = (int) temp_subsystem;
634 /* Search for subsystem by name. */
635 for (i = 0; v[i].name; i++)
636 if (strncmp (optarg, v[i].name, len) == 0
637 && v[i].name[len] == '\0')
640 if (v[i].name == NULL)
642 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
646 pe_subsystem = v[i].value;
649 set_pe_name ("__subsystem__", pe_subsystem);
656 set_pe_value (char *name)
660 set_pe_name (name, strtoul (optarg, &end, 0));
663 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
670 set_pe_stack_heap (char *resname, char *comname)
672 set_pe_value (resname);
677 set_pe_value (comname);
680 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
685 gld${EMULATION_NAME}_handle_option (int optc)
692 case OPTION_BASE_FILE:
693 link_info.base_file = fopen (optarg, FOPEN_WB);
694 if (link_info.base_file == NULL)
696 /* xgettext:c-format */
697 fprintf (stderr, _("%s: Can't open base file %s\n"),
698 program_name, optarg);
705 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
708 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
710 case OPTION_SUBSYSTEM:
713 case OPTION_MAJOR_OS_VERSION:
714 set_pe_value ("__major_os_version__");
716 case OPTION_MINOR_OS_VERSION:
717 set_pe_value ("__minor_os_version__");
719 case OPTION_MAJOR_SUBSYSTEM_VERSION:
720 set_pe_value ("__major_subsystem_version__");
722 case OPTION_MINOR_SUBSYSTEM_VERSION:
723 set_pe_value ("__minor_subsystem_version__");
725 case OPTION_MAJOR_IMAGE_VERSION:
726 set_pe_value ("__major_image_version__");
728 case OPTION_MINOR_IMAGE_VERSION:
729 set_pe_value ("__minor_image_version__");
731 case OPTION_FILE_ALIGNMENT:
732 set_pe_value ("__file_alignment__");
734 case OPTION_SECTION_ALIGNMENT:
735 set_pe_value ("__section_alignment__");
738 set_pe_name ("__dll__", 1);
740 case OPTION_IMAGE_BASE:
741 set_pe_value ("__image_base__");
743 case OPTION_SUPPORT_OLD_CODE:
744 support_old_code = 1;
746 case OPTION_THUMB_ENTRY:
747 thumb_entry_symbol = optarg;
749 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
750 pe_use_nul_prefixed_import_tables = TRUE;
752 case OPTION_NO_LEADING_UNDERSCORE:
753 pe_leading_underscore = 0;
755 case OPTION_LEADING_UNDERSCORE:
756 pe_leading_underscore = 1;
760 pe_out_def_filename = xstrdup (optarg);
762 case OPTION_EXPORT_ALL:
763 pe_dll_export_everything = 1;
765 case OPTION_EXCLUDE_SYMBOLS:
766 pe_dll_add_excludes (optarg, EXCLUDESYMS);
768 case OPTION_EXCLUDE_ALL_SYMBOLS:
769 pe_dll_exclude_all_symbols = 1;
771 case OPTION_EXCLUDE_LIBS:
772 pe_dll_add_excludes (optarg, EXCLUDELIBS);
774 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
775 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
777 case OPTION_KILL_ATS:
780 case OPTION_STDCALL_ALIASES:
781 pe_dll_stdcall_aliases = 1;
783 case OPTION_ENABLE_STDCALL_FIXUP:
784 pe_enable_stdcall_fixup = 1;
786 case OPTION_DISABLE_STDCALL_FIXUP:
787 pe_enable_stdcall_fixup = 0;
789 case OPTION_IMPLIB_FILENAME:
790 pe_implib_filename = xstrdup (optarg);
792 case OPTION_WARN_DUPLICATE_EXPORTS:
793 pe_dll_warn_dup_exports = 1;
795 case OPTION_IMP_COMPAT:
796 pe_dll_compat_implib = 1;
798 case OPTION_ENABLE_AUTO_IMAGE_BASE:
799 pe_enable_auto_image_base = 1;
801 case OPTION_DISABLE_AUTO_IMAGE_BASE:
802 pe_enable_auto_image_base = 0;
804 case OPTION_DLL_SEARCH_PREFIX:
805 pe_dll_search_prefix = xstrdup (optarg);
807 case OPTION_NO_DEFAULT_EXCLUDES:
808 pe_dll_do_default_excludes = 0;
810 case OPTION_DLL_ENABLE_AUTO_IMPORT:
811 link_info.pei386_auto_import = 1;
813 case OPTION_DLL_DISABLE_AUTO_IMPORT:
814 link_info.pei386_auto_import = 0;
816 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
817 link_info.pei386_runtime_pseudo_reloc =
818 DEFAULT_PSEUDO_RELOC_VERSION;
820 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
821 link_info.pei386_runtime_pseudo_reloc = 1;
823 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
824 link_info.pei386_runtime_pseudo_reloc = 2;
826 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
827 link_info.pei386_runtime_pseudo_reloc = 0;
829 case OPTION_ENABLE_EXTRA_PE_DEBUG:
830 pe_dll_extra_pe_debug = 1;
833 case OPTION_LARGE_ADDRESS_AWARE:
834 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
836 case OPTION_ENABLE_LONG_SECTION_NAMES:
837 pe_use_coff_long_section_names = 1;
839 case OPTION_DISABLE_LONG_SECTION_NAMES:
840 pe_use_coff_long_section_names = 0;
842 /* Get DLLCharacteristics bits */
843 case OPTION_DYNAMIC_BASE:
844 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
846 case OPTION_FORCE_INTEGRITY:
847 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
849 case OPTION_NX_COMPAT:
850 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
852 case OPTION_NO_ISOLATION:
853 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
856 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
859 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
861 case OPTION_WDM_DRIVER:
862 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
864 case OPTION_TERMINAL_SERVER_AWARE:
865 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
869 /* Set DLLCharacteristics bits */
870 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
878 strhash (const char *str)
880 const unsigned char *s;
887 s = (const unsigned char *) str;
888 while ((c = *s++) != '\0')
890 hash += c + (c << 17);
894 hash += len + (len << 17);
900 /* Use the output file to create a image base for relocatable DLLs. */
903 compute_dll_image_base (const char *ofile)
905 unsigned long hash = strhash (ofile);
906 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
910 /* Assign values to the special symbols before the linker script is
914 gld_${EMULATION_NAME}_set_symbols (void)
916 /* Run through and invent symbols for all the
917 names and insert the defaults. */
919 /* Now we check target's default for getting proper symbol_char. */
920 u = pe_leading_underscore;
922 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
923 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
927 pe_leading_underscore = u;
929 if (!init[IMAGEBASEOFF].inited)
931 if (link_info.relocatable)
932 init[IMAGEBASEOFF].value = 0;
933 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
936 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
937 ? compute_dll_image_base (output_filename)
938 : NT_DLL_IMAGE_BASE);
940 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
944 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
945 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
948 /* Don't do any symbol assignments if this is a relocatable link. */
949 if (link_info.relocatable)
952 /* Glue the assignments into the abs section. */
953 push_stat_ptr (&abs_output_section->children);
955 for (j = 0; init[j].ptr; j++)
957 long val = init[j].value;
958 lang_assignment_statement_type *rv;
960 rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
962 if (init[j].size == sizeof (short))
963 *(short *) init[j].ptr = val;
964 else if (init[j].size == sizeof (int))
965 *(int *) init[j].ptr = val;
966 else if (init[j].size == sizeof (long))
967 *(long *) init[j].ptr = val;
968 /* This might be a long long or other special type. */
969 else if (init[j].size == sizeof (bfd_vma))
970 *(bfd_vma *) init[j].ptr = val;
972 if (j == IMAGEBASEOFF)
973 image_base_statement = rv;
975 /* Restore the pointer. */
978 if (pe.FileAlignment > pe.SectionAlignment)
980 einfo (_("%P: warning, file alignment > section alignment.\n"));
984 /* This is called after the linker script and the command line options
988 gld_${EMULATION_NAME}_after_parse (void)
990 /* PR ld/6744: Warn the user if they have used an ELF-only
991 option hoping it will work on PE. */
992 if (link_info.export_dynamic)
993 einfo (_("%P: warning: --export-dynamic is not supported for PE "
994 "targets, did you mean --export-all-symbols?\n"));
998 after_parse_default ();
1001 /* pe-dll.c directly accesses pe_data_import_dll,
1002 so it must be defined outside of #ifdef DLL_SUPPORT.
1003 Note - this variable is deliberately not initialised.
1004 This allows it to be treated as a common varaible, and only
1005 exist in one incarnation in a multiple target enabled linker. */
1006 char * pe_data_import_dll;
1009 static struct bfd_link_hash_entry *pe_undef_found_sym;
1012 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1016 const char *hs = h->root.string;
1018 sl = strlen (string);
1019 if (h->type == bfd_link_hash_defined
1020 && ((*hs == '@' && *string == '_'
1021 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1022 || strncmp (hs, string, sl) == 0)
1023 && h->root.string[sl] == '@')
1025 pe_undef_found_sym = h;
1032 pe_fixup_stdcalls (void)
1034 static int gave_warning_message = 0;
1035 struct bfd_link_hash_entry *undef, *sym;
1037 if (pe_dll_extra_pe_debug)
1038 printf ("%s\n", __FUNCTION__);
1040 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1041 if (undef->type == bfd_link_hash_undefined)
1043 char* at = strchr (undef->root.string, '@');
1044 int lead_at = (*undef->root.string == '@');
1046 at = strchr (undef->root.string + 1, '@');
1050 /* The symbol is a stdcall symbol, so let's look for a
1051 cdecl symbol with the same name and resolve to that. */
1052 char *cname = xstrdup (undef->root.string);
1056 at = strchr (cname, '@');
1059 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1061 if (sym && sym->type == bfd_link_hash_defined)
1063 undef->type = bfd_link_hash_defined;
1064 undef->u.def.value = sym->u.def.value;
1065 undef->u.def.section = sym->u.def.section;
1067 if (pe_enable_stdcall_fixup == -1)
1069 einfo (_("Warning: resolving %s by linking to %s\n"),
1070 undef->root.string, cname);
1071 if (! gave_warning_message)
1073 gave_warning_message = 1;
1074 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1075 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1082 /* The symbol is a cdecl symbol, so we look for stdcall
1083 symbols - which means scanning the whole symbol table. */
1084 pe_undef_found_sym = 0;
1085 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1086 (char *) undef->root.string);
1087 sym = pe_undef_found_sym;
1090 undef->type = bfd_link_hash_defined;
1091 undef->u.def.value = sym->u.def.value;
1092 undef->u.def.section = sym->u.def.section;
1094 if (pe_enable_stdcall_fixup == -1)
1096 einfo (_("Warning: resolving %s by linking to %s\n"),
1097 undef->root.string, sym->root.string);
1098 if (! gave_warning_message)
1100 gave_warning_message = 1;
1101 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1102 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1111 make_import_fixup (arelent *rel, asection *s)
1113 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1116 if (pe_dll_extra_pe_debug)
1117 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1118 (unsigned long) rel->address, (long) rel->addend);
1120 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1121 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1122 s->owner, s, rel->address);
1124 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1130 pe_find_data_imports (void)
1132 struct bfd_link_hash_entry *undef, *sym;
1134 if (link_info.pei386_auto_import == 0)
1137 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1139 if (undef->type == bfd_link_hash_undefined)
1141 /* C++ symbols are *long*. */
1144 if (pe_dll_extra_pe_debug)
1145 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1147 sprintf (buf, "__imp_%s", undef->root.string);
1149 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1151 if (sym && sym->type == bfd_link_hash_defined)
1153 bfd *b = sym->u.def.section->owner;
1157 if (link_info.pei386_auto_import == -1)
1159 static bfd_boolean warned = FALSE;
1161 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1162 undef->root.string, buf);
1164 /* PR linker/4844. */
1168 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1169 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1173 if (!bfd_generic_link_read_symbols (b))
1175 einfo (_("%B%F: could not read symbols: %E\n"), b);
1179 symbols = bfd_get_outsymbols (b);
1180 nsyms = bfd_get_symcount (b);
1182 for (i = 0; i < nsyms; i++)
1184 if (! CONST_STRNEQ (symbols[i]->name,
1188 if (pe_dll_extra_pe_debug)
1189 printf ("->%s\n", symbols[i]->name);
1191 pe_data_import_dll = (char *) (symbols[i]->name
1192 + U_SIZE ("_head_") - 1);
1196 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1199 /* Let's differentiate it somehow from defined. */
1200 undef->type = bfd_link_hash_defweak;
1201 /* We replace original name with __imp_ prefixed, this
1202 1) may trash memory 2) leads to duplicate symbol generation.
1203 Still, IMHO it's better than having name poluted. */
1204 undef->root.string = sym->root.string;
1205 undef->u.def.value = sym->u.def.value;
1206 undef->u.def.section = sym->u.def.section;
1213 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1215 if (pe_dll_extra_pe_debug)
1216 printf ("+%s\n", h->string);
1220 #endif /* DLL_SUPPORT */
1223 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1225 int *found = (int *) obj;
1226 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1231 gld_${EMULATION_NAME}_after_open (void)
1234 if (pe_dll_extra_pe_debug)
1237 struct bfd_link_hash_entry *sym;
1239 printf ("%s()\n", __FUNCTION__);
1241 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1242 printf ("-%s\n", sym->root.string);
1243 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1245 for (a = link_info.input_bfds; a; a = a->link_next)
1246 printf ("*%s\n",a->filename);
1250 /* Pass the wacky PE command line options into the output bfd.
1251 FIXME: This should be done via a function, rather than by
1252 including an internal BFD header. */
1254 if (coff_data (link_info.output_bfd) == NULL
1255 || coff_data (link_info.output_bfd)->pe == 0)
1256 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1257 link_info.output_bfd);
1259 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1260 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1261 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1263 /* At this point we must decide whether to use long section names
1264 in the output or not. If the user hasn't explicitly specified
1265 on the command line, we leave it to the default for the format
1266 (object files yes, image files no), except if there is debug
1267 information present; GDB relies on the long section names to
1268 find it, so enable it in that case. */
1269 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1271 /* Iterate over all sections of all input BFDs, checking
1272 for any that begin 'debug_' and are long names. */
1273 LANG_FOR_EACH_INPUT_STATEMENT (is)
1275 int found_debug = 0;
1276 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1279 pe_use_coff_long_section_names = 1;
1285 pe_output_file_set_long_section_names (link_info.output_bfd);
1288 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1289 pe_fixup_stdcalls ();
1291 pe_process_import_defs (link_info.output_bfd, &link_info);
1293 pe_find_data_imports ();
1295 /* As possibly new symbols are added by imports, we rerun
1296 stdcall/fastcall fixup here. */
1297 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1298 pe_fixup_stdcalls ();
1300 #if defined (TARGET_IS_i386pe) \
1301 || defined (TARGET_IS_armpe) \
1302 || defined (TARGET_IS_arm_epoc_pe) \
1303 || defined (TARGET_IS_arm_wince_pe)
1304 if (!link_info.relocatable)
1305 pe_dll_build_sections (link_info.output_bfd, &link_info);
1307 if (link_info.shared)
1308 pe_dll_build_sections (link_info.output_bfd, &link_info);
1310 pe_exe_build_sections (link_info.output_bfd, &link_info);
1312 #endif /* DLL_SUPPORT */
1314 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1315 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1317 /* The arm backend needs special fields in the output hash structure.
1318 These will only be created if the output format is an arm format,
1319 hence we do not support linking and changing output formats at the
1320 same time. Use a link followed by objcopy to change output formats. */
1321 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1325 /* Find a BFD that can hold the interworking stubs. */
1326 LANG_FOR_EACH_INPUT_STATEMENT (is)
1328 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1335 /* This next chunk of code tries to detect the case where you have
1336 two import libraries for the same DLL (specifically,
1337 symbolically linking libm.a and libc.a in cygwin to
1338 libcygwin.a). In those cases, it's possible for function
1339 thunks from the second implib to be used but without the
1340 head/tail objects, causing an improper import table. We detect
1341 those cases and rename the "other" import libraries to match
1342 the one the head/tail come from, so that the linker will sort
1343 things nicely and produce a valid import table. */
1345 LANG_FOR_EACH_INPUT_STATEMENT (is)
1347 if (is->the_bfd->my_archive)
1349 int idata2 = 0, reloc_count=0, is_imp = 0;
1352 /* See if this is an import library thunk. */
1353 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1355 if (strcmp (sec->name, ".idata\$2") == 0)
1357 if (CONST_STRNEQ (sec->name, ".idata\$"))
1359 reloc_count += sec->reloc_count;
1362 if (is_imp && !idata2 && reloc_count)
1364 /* It is, look for the reference to head and see if it's
1365 from our own library. */
1366 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1374 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1378 if (!bfd_generic_link_read_symbols (is->the_bfd))
1380 einfo (_("%B%F: could not read symbols: %E\n"),
1384 symbols = bfd_get_outsymbols (is->the_bfd);
1386 relocs = xmalloc ((size_t) relsize);
1387 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1392 einfo ("%X%P: unable to process relocs: %E\n");
1396 for (i = 0; i < nrelocs; i++)
1398 struct bfd_symbol *s;
1399 struct bfd_link_hash_entry * blhe;
1400 char *other_bfd_filename;
1403 s = (relocs[i]->sym_ptr_ptr)[0];
1405 if (s->flags & BSF_LOCAL)
1408 /* Thunk section with reloc to another bfd. */
1409 blhe = bfd_link_hash_lookup (link_info.hash,
1411 FALSE, FALSE, TRUE);
1414 || blhe->type != bfd_link_hash_defined)
1418 = blhe->u.def.section->owner->my_archive
1419 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1420 : bfd_get_filename (blhe->u.def.section->owner);
1422 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1423 other_bfd_filename) == 0)
1426 /* Rename this implib to match the other one. */
1427 n = xmalloc (strlen (other_bfd_filename) + 1);
1428 strcpy (n, other_bfd_filename);
1429 is->the_bfd->my_archive->filename = n;
1433 /* Note - we do not free the symbols,
1434 they are now cached in the BFD. */
1444 lang_input_statement_type *is2;
1445 lang_input_statement_type *is3;
1447 /* Careful - this is a shell script. Watch those dollar signs! */
1448 /* Microsoft import libraries have every member named the same,
1449 and not in the right order for us to link them correctly. We
1450 must detect these and rename the members so that they'll link
1451 correctly. There are three types of objects: the head, the
1452 thunks, and the sentinel(s). The head is easy; it's the one
1453 with idata2. We assume that the sentinels won't have relocs,
1454 and the thunks will. It's easier than checking the symbol
1455 table for external references. */
1456 LANG_FOR_EACH_INPUT_STATEMENT (is)
1458 if (is->the_bfd->my_archive)
1461 bfd *arch = is->the_bfd->my_archive;
1463 if (cur_arch != arch)
1469 is3 && is3->the_bfd->my_archive == arch;
1470 is3 = (lang_input_statement_type *) is3->next)
1472 /* A MS dynamic import library can also contain static
1473 members, so look for the first element with a .dll
1474 extension, and use that for the remainder of the
1476 pnt = strrchr (is3->the_bfd->filename, '.');
1477 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1485 /* OK, found one. Now look to see if the remaining
1486 (dynamic import) members use the same name. */
1488 is2 && is2->the_bfd->my_archive == arch;
1489 is2 = (lang_input_statement_type *) is2->next)
1491 /* Skip static members, ie anything with a .obj
1493 pnt = strrchr (is2->the_bfd->filename, '.');
1494 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1497 if (strcmp (is3->the_bfd->filename,
1498 is2->the_bfd->filename))
1507 /* This fragment might have come from an .obj file in a Microsoft
1508 import, and not an actual import record. If this is the case,
1509 then leave the filename alone. */
1510 pnt = strrchr (is->the_bfd->filename, '.');
1512 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1514 int idata2 = 0, reloc_count=0;
1516 char *new_name, seq;
1518 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1520 if (strcmp (sec->name, ".idata\$2") == 0)
1522 reloc_count += sec->reloc_count;
1525 if (idata2) /* .idata2 is the TOC */
1527 else if (reloc_count > 0) /* thunks */
1532 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1533 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1534 is->the_bfd->filename = new_name;
1536 new_name = xmalloc (strlen (is->filename) + 3);
1537 sprintf (new_name, "%s.%c", is->filename, seq);
1538 is->filename = new_name;
1545 /* The following chunk of code tries to identify jump stubs in
1546 import libraries which are dead code and eliminates them
1547 from the final link. For each exported symbol <sym>, there
1548 is a object file in the import library with a .text section
1549 and several .idata\$* sections. The .text section contains the
1550 symbol definition for <sym> which is a jump stub of the form
1551 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1552 for __imp_<sym> which is the address of the slot for <sym> in
1553 the import address table. When a symbol is imported explicitly
1554 using __declspec(dllimport) declaration, the compiler generates
1555 a reference to __imp_<sym> which directly resolves to the
1556 symbol in .idata\$5, in which case the jump stub code is not
1557 needed. The following code tries to identify jump stub sections
1558 in import libraries which are not referred to by anyone and
1559 marks them for exclusion from the final link. */
1560 LANG_FOR_EACH_INPUT_STATEMENT (is)
1562 if (is->the_bfd->my_archive)
1565 asection *sec, *stub_sec = NULL;
1567 /* See if this is an import library thunk. */
1568 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1570 if (strncmp (sec->name, ".idata\$", 7) == 0)
1572 /* The section containing the jmp stub has code
1574 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1578 if (is_imp && stub_sec)
1581 long nsyms, src_count;
1582 struct bfd_link_hash_entry * blhe;
1584 if (!bfd_generic_link_read_symbols (is->the_bfd))
1586 einfo (_("%B%F: could not read symbols: %E\n"),
1590 symbols = bfd_get_outsymbols (is->the_bfd);
1591 nsyms = bfd_get_symcount (is->the_bfd);
1593 for (src_count = 0; src_count < nsyms; src_count++)
1595 if (symbols[src_count]->section->id == stub_sec->id)
1597 /* This symbol belongs to the section containing
1599 blhe = bfd_link_hash_lookup (link_info.hash,
1600 symbols[src_count]->name,
1601 FALSE, FALSE, TRUE);
1602 /* If the symbol in the stub section has no other
1603 undefined references, exclude the stub section
1604 from the final link. */
1605 if (blhe && (blhe->type == bfd_link_hash_defined)
1606 && (blhe->u.undef.next == NULL))
1607 stub_sec->flags |= SEC_EXCLUDE;
1617 gld_${EMULATION_NAME}_before_allocation (void)
1619 #ifdef TARGET_IS_ppcpe
1620 /* Here we rummage through the found bfds to collect toc information. */
1622 LANG_FOR_EACH_INPUT_STATEMENT (is)
1624 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1626 /* xgettext:c-format */
1627 einfo (_("Errors encountered processing file %s\n"), is->filename);
1632 /* We have seen it all. Allocate it, and carry on. */
1633 ppc_allocate_toc_section (&link_info);
1634 #endif /* TARGET_IS_ppcpe */
1636 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1637 /* FIXME: we should be able to set the size of the interworking stub
1640 Here we rummage through the found bfds to collect glue
1641 information. FIXME: should this be based on a command line
1642 option? krk@cygnus.com. */
1644 LANG_FOR_EACH_INPUT_STATEMENT (is)
1646 if (! bfd_arm_process_before_allocation
1647 (is->the_bfd, & link_info, support_old_code))
1649 /* xgettext:c-format */
1650 einfo (_("Errors encountered processing file %s for interworking\n"),
1656 /* We have seen it all. Allocate it, and carry on. */
1657 bfd_arm_allocate_interworking_sections (& link_info);
1658 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1660 before_allocation_default ();
1664 /* This is called when an input file isn't recognized as a BFD. We
1665 check here for .DEF files and pull them in automatically. */
1668 saw_option (char *option)
1672 for (i = 0; init[i].ptr; i++)
1673 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1674 return init[i].inited;
1677 #endif /* DLL_SUPPORT */
1680 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1683 const char *ext = entry->filename + strlen (entry->filename) - 4;
1685 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1687 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1691 int i, buflen=0, len;
1694 for (i = 0; i < pe_def_file->num_exports; i++)
1696 len = strlen (pe_def_file->exports[i].internal_name);
1697 if (buflen < len + 2)
1701 buf = xmalloc (buflen);
1703 for (i = 0; i < pe_def_file->num_exports; i++)
1705 struct bfd_link_hash_entry *h;
1707 sprintf (buf, "%s%s", U (""),
1708 pe_def_file->exports[i].internal_name);
1710 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1711 if (h == (struct bfd_link_hash_entry *) NULL)
1712 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1713 if (h->type == bfd_link_hash_new)
1715 h->type = bfd_link_hash_undefined;
1716 h->u.undef.abfd = NULL;
1717 bfd_link_add_undef (link_info.hash, h);
1722 /* def_file_print (stdout, pe_def_file); */
1723 if (pe_def_file->is_dll == 1)
1724 link_info.shared = 1;
1726 if (pe_def_file->base_address != (bfd_vma)(-1))
1729 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1730 = init[IMAGEBASEOFF].value
1731 = pe_def_file->base_address;
1732 init[IMAGEBASEOFF].inited = 1;
1733 if (image_base_statement)
1734 image_base_statement->exp = exp_assop ('=', "__image_base__",
1735 exp_intop (pe.ImageBase));
1738 if (pe_def_file->stack_reserve != -1
1739 && ! saw_option ("__size_of_stack_reserve__"))
1741 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1742 if (pe_def_file->stack_commit != -1)
1743 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1745 if (pe_def_file->heap_reserve != -1
1746 && ! saw_option ("__size_of_heap_reserve__"))
1748 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1749 if (pe_def_file->heap_commit != -1)
1750 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1760 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1763 #ifdef TARGET_IS_i386pe
1764 pe_dll_id_target ("pei-i386");
1766 #ifdef TARGET_IS_shpe
1767 pe_dll_id_target ("pei-shl");
1769 #ifdef TARGET_IS_mipspe
1770 pe_dll_id_target ("pei-mips");
1772 #ifdef TARGET_IS_armpe
1773 pe_dll_id_target ("pei-arm-little");
1775 #ifdef TARGET_IS_arm_epoc_pe
1776 pe_dll_id_target ("epoc-pei-arm-little");
1778 #ifdef TARGET_IS_arm_wince_pe
1779 pe_dll_id_target ("pei-arm-wince-little");
1781 if (pe_bfd_is_dll (entry->the_bfd))
1782 return pe_implied_import_dll (entry->filename);
1788 gld_${EMULATION_NAME}_finish (void)
1790 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1791 struct bfd_link_hash_entry * h;
1793 if (thumb_entry_symbol != NULL)
1795 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1796 FALSE, FALSE, TRUE);
1798 if (h != (struct bfd_link_hash_entry *) NULL
1799 && (h->type == bfd_link_hash_defined
1800 || h->type == bfd_link_hash_defweak)
1801 && h->u.def.section->output_section != NULL)
1803 static char buffer[32];
1806 /* Special procesing is required for a Thumb entry symbol. The
1807 bottom bit of its address must be set. */
1808 val = (h->u.def.value
1809 + bfd_get_section_vma (link_info.output_bfd,
1810 h->u.def.section->output_section)
1811 + h->u.def.section->output_offset);
1815 /* Now convert this value into a string and store it in entry_symbol
1816 where the lang_finish() function will pick it up. */
1820 sprintf_vma (buffer + 2, val);
1822 if (entry_symbol.name != NULL && entry_from_cmdline)
1823 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1824 thumb_entry_symbol, entry_symbol.name);
1825 entry_symbol.name = buffer;
1828 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1830 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1835 if (link_info.shared
1836 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1837 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1841 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1842 if (pe_implib_filename)
1843 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1845 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1846 /* ARM doesn't need relocs. */
1849 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1853 if (pe_out_def_filename)
1854 pe_dll_generate_def_file (pe_out_def_filename);
1855 #endif /* DLL_SUPPORT */
1857 /* I don't know where .idata gets set as code, but it shouldn't be. */
1859 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1863 asec->flags &= ~SEC_CODE;
1864 asec->flags |= SEC_DATA;
1870 /* Place an orphan section.
1872 We use this to put sections in a reasonable place in the file, and
1873 to ensure that they are aligned as required.
1875 We handle grouped sections here as well. A section named .foo\$nn
1876 goes into the output section .foo. All grouped sections are sorted
1879 Grouped sections for the default sections are handled by the
1880 default linker script using wildcards, and are sorted by
1883 static lang_output_section_statement_type *
1884 gld_${EMULATION_NAME}_place_orphan (asection *s,
1885 const char *secname,
1888 const char *orig_secname = secname;
1889 char *dollar = NULL;
1890 lang_output_section_statement_type *os;
1891 lang_statement_list_type add_child;
1892 lang_output_section_statement_type *match_by_name = NULL;
1893 lang_statement_union_type **pl;
1895 /* Look through the script to see where to place this section. */
1896 if (!link_info.relocatable
1897 && (dollar = strchr (secname, '\$')) != NULL)
1899 size_t len = dollar - secname;
1900 char *newname = xmalloc (len + 1);
1901 memcpy (newname, secname, len);
1902 newname[len] = '\0';
1906 lang_list_init (&add_child);
1909 if (constraint == 0)
1910 for (os = lang_output_section_find (secname);
1912 os = next_matching_output_section_statement (os, 0))
1914 /* If we don't match an existing output section, tell
1915 lang_insert_orphan to create a new output section. */
1916 constraint = SPECIAL;
1918 if (os->bfd_section != NULL
1919 && (os->bfd_section->flags == 0
1920 || ((s->flags ^ os->bfd_section->flags)
1921 & (SEC_LOAD | SEC_ALLOC)) == 0))
1923 /* We already have an output section statement with this
1924 name, and its bfd section has compatible flags.
1925 If the section already exists but does not have any flags set,
1926 then it has been created by the linker, probably as a result of
1927 a --section-start command line switch. */
1928 lang_add_section (&add_child, s, os);
1932 /* Save unused output sections in case we can match them
1933 against orphans later. */
1934 if (os->bfd_section == NULL)
1938 /* If we didn't match an active output section, see if we matched an
1939 unused one and use that. */
1940 if (os == NULL && match_by_name)
1942 lang_add_section (&match_by_name->children, s, match_by_name);
1943 return match_by_name;
1948 static struct orphan_save hold[] =
1951 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1954 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1957 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1963 enum orphan_save_index
1970 static int orphan_init_done = 0;
1971 struct orphan_save *place;
1972 lang_output_section_statement_type *after;
1973 etree_type *address;
1975 if (!orphan_init_done)
1977 struct orphan_save *ho;
1978 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1979 if (ho->name != NULL)
1981 ho->os = lang_output_section_find (ho->name);
1982 if (ho->os != NULL && ho->os->flags == 0)
1983 ho->os->flags = ho->flags;
1985 orphan_init_done = 1;
1988 /* Try to put the new output section in a reasonable place based
1989 on the section name and section flags. */
1992 if ((s->flags & SEC_ALLOC) == 0)
1994 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1995 place = &hold[orphan_bss];
1996 else if ((s->flags & SEC_READONLY) == 0)
1997 place = &hold[orphan_data];
1998 else if ((s->flags & SEC_CODE) == 0)
1999 place = &hold[orphan_rodata];
2001 place = &hold[orphan_text];
2006 if (place->os == NULL)
2007 place->os = lang_output_section_find (place->name);
2010 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2012 /* *ABS* is always the first output section statement. */
2013 after = (&lang_output_section_statement.head
2014 ->output_section_statement);
2017 /* All sections in an executable must be aligned to a page boundary. */
2018 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2019 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2023 /* If the section name has a '\$', sort it with the other '\$'
2025 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2027 lang_input_section_type *ls;
2030 if ((*pl)->header.type != lang_input_section_enum)
2033 ls = &(*pl)->input_section;
2035 lname = bfd_get_section_name (ls->section->owner, ls->section);
2036 if (strchr (lname, '\$') != NULL
2037 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2041 if (add_child.head != NULL)
2043 *add_child.tail = *pl;
2044 *pl = add_child.head;
2051 gld_${EMULATION_NAME}_open_dynamic_archive
2052 (const char *arch ATTRIBUTE_UNUSED,
2053 search_dirs_type *search,
2054 lang_input_statement_type *entry)
2058 const char * format;
2059 bfd_boolean use_prefix;
2063 /* Preferred explicit import library for dll's. */
2064 { "lib%s.dll.a", FALSE },
2065 /* Alternate explicit import library for dll's. */
2066 { "%s.dll.a", FALSE },
2067 /* "libfoo.a" could be either an import lib or a static lib.
2068 For backwards compatibility, libfoo.a needs to precede
2069 libfoo.dll and foo.dll in the search. */
2070 { "lib%s.a", FALSE },
2071 /* The 'native' spelling of an import lib name is "foo.lib". */
2072 { "%s.lib", FALSE },
2074 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2075 { "%s%s.dll", TRUE },
2077 /* Try "libfoo.dll" (default preferred dll name). */
2078 { "lib%s.dll", FALSE },
2079 /* Finally try 'native' dll name "foo.dll". */
2080 { "%s.dll", FALSE },
2081 /* Note: If adding more formats to this table, make sure to check to
2082 see if their length is longer than libname_fmt[0].format, and if
2083 so, update the call to xmalloc() below. */
2086 static unsigned int format_max_len = 0;
2087 const char * filename;
2093 if (! entry->is_archive)
2096 filename = entry->filename;
2098 if (format_max_len == 0)
2099 /* We need to allow space in the memory that we are going to allocate
2100 for the characters in the format string. Since the format array is
2101 static we only need to calculate this information once. In theory
2102 this value could also be computed statically, but this introduces
2103 the possibility for a discrepancy and hence a possible memory
2104 corruption. The lengths we compute here will be too long because
2105 they will include any formating characters (%s) in the strings, but
2106 this will not matter. */
2107 for (i = 0; libname_fmt[i].format; i++)
2108 if (format_max_len < strlen (libname_fmt[i].format))
2109 format_max_len = strlen (libname_fmt[i].format);
2111 full_string = xmalloc (strlen (search->name)
2115 + (pe_dll_search_prefix
2116 ? strlen (pe_dll_search_prefix) : 0)
2118 /* Allow for the terminating NUL and for the path
2119 separator character that is inserted between
2120 search->name and the start of the format string. */
2123 sprintf (full_string, "%s/", search->name);
2124 base_string = full_string + strlen (full_string);
2126 for (i = 0; libname_fmt[i].format; i++)
2129 if (libname_fmt[i].use_prefix)
2131 if (!pe_dll_search_prefix)
2133 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2137 sprintf (base_string, libname_fmt[i].format, filename);
2139 if (ldfile_try_open_bfd (full_string, entry))
2143 if (!libname_fmt[i].format)
2149 entry->filename = full_string;
2155 gld_${EMULATION_NAME}_find_potential_libraries
2156 (char *name, lang_input_statement_type *entry)
2158 return ldfile_open_file_search (name, entry, "", ".lib");
2162 gld_${EMULATION_NAME}_get_script (int *isfile)
2164 # Scripts compiled in.
2165 # sed commands to quote an ld script as a C string.
2166 sc="-f stringify.sed"
2172 if (link_info.relocatable && config.build_constructors)
2175 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2176 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2177 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2178 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2179 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2180 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2181 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2182 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2183 echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
2184 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2186 echo ' ; else return' >> e${EMULATION_NAME}.c
2187 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2188 echo '; }' >> e${EMULATION_NAME}.c
2193 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2195 gld_${EMULATION_NAME}_before_parse,
2198 gld_${EMULATION_NAME}_after_parse,
2199 gld_${EMULATION_NAME}_after_open,
2200 after_allocation_default,
2201 set_output_arch_default,
2202 ldemul_default_target,
2203 gld_${EMULATION_NAME}_before_allocation,
2204 gld_${EMULATION_NAME}_get_script,
2205 "${EMULATION_NAME}",
2207 gld_${EMULATION_NAME}_finish,
2208 NULL, /* Create output section statements. */
2209 gld_${EMULATION_NAME}_open_dynamic_archive,
2210 gld_${EMULATION_NAME}_place_orphan,
2211 gld_${EMULATION_NAME}_set_symbols,
2212 NULL, /* parse_args */
2213 gld${EMULATION_NAME}_add_options,
2214 gld${EMULATION_NAME}_handle_option,
2215 gld_${EMULATION_NAME}_unrecognized_file,
2216 gld_${EMULATION_NAME}_list_options,
2217 gld_${EMULATION_NAME}_recognized_file,
2218 gld_${EMULATION_NAME}_find_potential_libraries,
2219 NULL /* new_vers_pattern. */