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${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
12 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
14 This file is part of the GNU Binutils.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 3 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
33 /* The original file generated returned different default scripts depending
34 on whether certain switches were set, but these switches pertain to the
35 Linux system and that particular version of coff. In the NT case, we
36 only determine if the subsystem is console or windows in order to select
37 the correct entry point by default. */
39 #define TARGET_IS_${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 = ${SUBSYSTEM};
129 static flagword real_flags = 0;
130 static int support_old_code = 0;
131 static char * thumb_entry_symbol = NULL;
132 static lang_assignment_statement_type *image_base_statement = 0;
133 static unsigned short pe_dll_characteristics = 0;
136 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
137 static char *pe_out_def_filename = NULL;
138 static char *pe_implib_filename = NULL;
139 static int pe_enable_auto_image_base = 0;
140 static char *pe_dll_search_prefix = NULL;
143 extern const char *output_filename;
145 static int is_underscoring (void)
148 if (pe_leading_underscore != -1)
149 return pe_leading_underscore;
150 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
151 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
155 pe_leading_underscore = (u != 0 ? 1 : 0);
156 return pe_leading_underscore;
160 gld_${EMULATION_NAME}_before_parse (void)
163 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
164 output_filename = "${EXECUTABLE_NAME:-a.exe}";
166 config.dynamic_link = TRUE;
167 config.has_shared = 1;
170 # Cygwin no longer wants these noisy warnings. Other PE
171 # targets might like to consider adding themselves here.
174 default_auto_import=1
175 default_merge_rdata=1
177 i[3-7]86-*-mingw* | x86_64-*-mingw*)
178 default_auto_import=1
179 default_merge_rdata=0
182 default_auto_import=-1
183 default_merge_rdata=1
188 link_info.pei386_auto_import = ${default_auto_import};
189 /* Use by default version. */
190 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
194 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
195 version 2 is used and auto-import is enabled. */
196 #define MERGE_RDATA_V2 ${default_merge_rdata}
198 /* PE format extra command line options. */
200 /* Used for setting flags in the PE header. */
201 #define OPTION_BASE_FILE (300 + 1)
202 #define OPTION_DLL (OPTION_BASE_FILE + 1)
203 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
204 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
205 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
206 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
207 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
208 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
209 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
210 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
211 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
212 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
213 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
214 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
215 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
216 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
217 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
218 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
219 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
220 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
221 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
222 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
223 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
224 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
225 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
226 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
227 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
228 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
229 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
230 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
231 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
232 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
233 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
234 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
235 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
236 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
237 (OPTION_EXCLUDE_LIBS + 1)
238 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
239 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
240 #define OPTION_LARGE_ADDRESS_AWARE \
241 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
242 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
243 (OPTION_LARGE_ADDRESS_AWARE + 1)
244 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
245 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
246 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
247 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
248 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
249 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
250 #define OPTION_NO_LEADING_UNDERSCORE \
251 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
252 #define OPTION_LEADING_UNDERSCORE \
253 (OPTION_NO_LEADING_UNDERSCORE + 1)
254 #define OPTION_ENABLE_LONG_SECTION_NAMES \
255 (OPTION_LEADING_UNDERSCORE + 1)
256 #define OPTION_DISABLE_LONG_SECTION_NAMES \
257 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
258 /* DLLCharacteristics flags */
259 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
260 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
261 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
262 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
263 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
264 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
265 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
266 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
269 gld${EMULATION_NAME}_add_options
270 (int ns ATTRIBUTE_UNUSED,
271 char **shortopts ATTRIBUTE_UNUSED,
273 struct option **longopts,
274 int nrl ATTRIBUTE_UNUSED,
275 struct option **really_longopts ATTRIBUTE_UNUSED)
277 static const struct option xtra_long[] = {
279 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
280 {"dll", no_argument, NULL, OPTION_DLL},
281 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
282 {"heap", required_argument, NULL, OPTION_HEAP},
283 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
284 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
285 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
286 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
287 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
288 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
289 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
290 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
291 {"stack", required_argument, NULL, OPTION_STACK},
292 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
293 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
294 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
295 {"use-nul-prefixed-import-tables", no_argument, NULL,
296 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
297 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
298 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
300 /* getopt allows abbreviations, so we do this to stop it
301 from treating -o as an abbreviation for this option. */
302 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
303 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
304 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
305 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
306 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
307 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
308 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
309 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
310 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
311 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
312 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
313 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
314 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
315 /* getopt() allows abbreviations, so we do this to stop it from
316 treating -c as an abbreviation for these --compat-implib. */
317 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
318 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
319 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
320 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
321 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
322 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
323 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
324 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
325 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
326 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
327 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
328 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
329 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
331 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
332 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
333 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
334 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
335 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
336 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
337 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
338 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
339 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
340 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
341 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
342 {NULL, no_argument, NULL, 0}
346 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
347 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
350 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
351 parameters which may be input from the command line. */
360 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
361 C visible symbols can be prefixed by underscore dependent to target's
363 bfd_boolean is_c_symbol;
366 /* Get symbol name dependent to kind and C visible state of
368 #define GET_INIT_SYMBOL_NAME(IDX) \
369 (init[(IDX)].symbol \
370 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
372 /* Decorates the C visible symbol by underscore, if target requires. */
374 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
376 /* Get size of constant string for a possible underscore prefixed
378 #define U_SIZE(CSTR) \
379 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
381 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
383 static definfo init[] =
385 /* imagebase must be first */
386 #define IMAGEBASEOFF 0
387 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
389 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
390 #define MSIMAGEBASEOFF 2
391 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
392 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
393 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
394 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
395 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
396 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
397 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
398 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
399 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
401 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
403 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
404 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
405 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
406 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
407 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
408 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
409 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
410 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
411 { NULL, 0, 0, NULL, 0 , FALSE}
416 gld_${EMULATION_NAME}_list_options (FILE *file)
418 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
419 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
420 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
421 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
422 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
423 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
424 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
425 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
426 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
427 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
428 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
429 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
430 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
431 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
432 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
433 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
434 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
436 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
437 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
438 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
439 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
440 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
441 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
442 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
443 fprintf (file, _(" Exclude objects, archive members from auto\n"));
444 fprintf (file, _(" export, place into import library instead.\n"));
445 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
446 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
447 fprintf (file, _(" --out-implib <file> Generate import library\n"));
448 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
449 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
450 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
451 create __imp_<SYMBOL> as well.\n"));
452 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
453 unless user specifies one\n"));
454 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
455 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
456 an importlib, use <string><basename>.dll\n\
457 in preference to lib<basename>.dll \n"));
458 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
459 __imp_sym for DATA references\n"));
460 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
461 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
462 adding pseudo-relocations resolved at\n\
464 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
465 auto-imported DATA.\n"));
466 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
467 or linking to DLLs (esp. auto-import)\n"));
469 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
470 greater than 2 gigabytes\n"));
471 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
472 executable image files\n"));
473 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
474 in object files\n"));
475 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
476 address space layout randomization (ASLR)\n"));
477 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
478 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
479 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
480 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
481 be called in this image\n"));
482 fprintf (file, _(" --no-bind Do not bind this image\n"));
483 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
484 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
489 set_pe_name (char *name, long val)
494 /* Find the name and set it. */
495 for (i = 0; init[i].ptr; i++)
497 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
501 if (strcmp (name,"__image_base__") == 0)
502 set_pe_name (U ("__ImageBase"), val);
510 set_entry_point (void)
513 const char *initial_symbol_char;
523 { 1, "NtProcessStartup" },
524 { 2, "WinMainCRTStartup" },
525 { 3, "mainCRTStartup" },
526 { 7, "__PosixProcessStartup"},
527 { 9, "WinMainCRTStartup" },
528 {14, "mainCRTStartup" },
532 /* Entry point name for arbitrary subsystem numbers. */
533 static const char default_entry[] = "mainCRTStartup";
535 if (link_info.shared || dll)
537 #if defined (TARGET_IS_i386pe)
538 entry = "DllMainCRTStartup@12";
540 entry = "DllMainCRTStartup";
546 for (i = 0; v[i].entry; i++)
547 if (v[i].value == pe_subsystem)
550 /* If no match, use the default. */
551 if (v[i].entry != NULL)
554 entry = default_entry;
557 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
559 if (*initial_symbol_char != '\0')
563 /* lang_default_entry expects its argument to be permanently
564 allocated, so we don't free this string. */
565 alc_entry = xmalloc (strlen (initial_symbol_char)
568 strcpy (alc_entry, initial_symbol_char);
569 strcat (alc_entry, entry);
573 lang_default_entry (entry);
577 set_pe_subsystem (void)
583 unsigned long temp_subsystem;
600 /* Check for the presence of a version number. */
601 sver = strchr (optarg, ':');
603 len = strlen (optarg);
607 set_pe_name ("__major_subsystem_version__",
608 strtoul (sver + 1, &end, 0));
610 set_pe_name ("__minor_subsystem_version__",
611 strtoul (end + 1, &end, 0));
613 einfo (_("%P: warning: bad version number in -subsystem option\n"));
616 /* Check for numeric subsystem. */
617 temp_subsystem = strtoul (optarg, & end, 0);
618 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
620 /* Search list for a numeric match to use its entry point. */
621 for (i = 0; v[i].name; i++)
622 if (v[i].value == (int) temp_subsystem)
625 /* Use this subsystem. */
626 pe_subsystem = (int) temp_subsystem;
630 /* Search for subsystem by name. */
631 for (i = 0; v[i].name; i++)
632 if (strncmp (optarg, v[i].name, len) == 0
633 && v[i].name[len] == '\0')
636 if (v[i].name == NULL)
638 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
642 pe_subsystem = v[i].value;
645 set_pe_name ("__subsystem__", pe_subsystem);
652 set_pe_value (char *name)
656 set_pe_name (name, strtoul (optarg, &end, 0));
659 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
666 set_pe_stack_heap (char *resname, char *comname)
668 set_pe_value (resname);
673 set_pe_value (comname);
676 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
681 gld${EMULATION_NAME}_handle_option (int optc)
688 case OPTION_BASE_FILE:
689 link_info.base_file = fopen (optarg, FOPEN_WB);
690 if (link_info.base_file == NULL)
691 einfo (_("%F%P: cannot open base file %s\n"), optarg);
696 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
699 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
701 case OPTION_SUBSYSTEM:
704 case OPTION_MAJOR_OS_VERSION:
705 set_pe_value ("__major_os_version__");
707 case OPTION_MINOR_OS_VERSION:
708 set_pe_value ("__minor_os_version__");
710 case OPTION_MAJOR_SUBSYSTEM_VERSION:
711 set_pe_value ("__major_subsystem_version__");
713 case OPTION_MINOR_SUBSYSTEM_VERSION:
714 set_pe_value ("__minor_subsystem_version__");
716 case OPTION_MAJOR_IMAGE_VERSION:
717 set_pe_value ("__major_image_version__");
719 case OPTION_MINOR_IMAGE_VERSION:
720 set_pe_value ("__minor_image_version__");
722 case OPTION_FILE_ALIGNMENT:
723 set_pe_value ("__file_alignment__");
725 case OPTION_SECTION_ALIGNMENT:
726 set_pe_value ("__section_alignment__");
729 set_pe_name ("__dll__", 1);
731 case OPTION_IMAGE_BASE:
732 set_pe_value ("__image_base__");
734 case OPTION_SUPPORT_OLD_CODE:
735 support_old_code = 1;
737 case OPTION_THUMB_ENTRY:
738 thumb_entry_symbol = optarg;
740 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
741 pe_use_nul_prefixed_import_tables = TRUE;
743 case OPTION_NO_LEADING_UNDERSCORE:
744 pe_leading_underscore = 0;
746 case OPTION_LEADING_UNDERSCORE:
747 pe_leading_underscore = 1;
751 pe_out_def_filename = xstrdup (optarg);
753 case OPTION_EXPORT_ALL:
754 pe_dll_export_everything = 1;
756 case OPTION_EXCLUDE_SYMBOLS:
757 pe_dll_add_excludes (optarg, EXCLUDESYMS);
759 case OPTION_EXCLUDE_ALL_SYMBOLS:
760 pe_dll_exclude_all_symbols = 1;
762 case OPTION_EXCLUDE_LIBS:
763 pe_dll_add_excludes (optarg, EXCLUDELIBS);
765 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
766 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
768 case OPTION_KILL_ATS:
771 case OPTION_STDCALL_ALIASES:
772 pe_dll_stdcall_aliases = 1;
774 case OPTION_ENABLE_STDCALL_FIXUP:
775 pe_enable_stdcall_fixup = 1;
777 case OPTION_DISABLE_STDCALL_FIXUP:
778 pe_enable_stdcall_fixup = 0;
780 case OPTION_IMPLIB_FILENAME:
781 pe_implib_filename = xstrdup (optarg);
783 case OPTION_WARN_DUPLICATE_EXPORTS:
784 pe_dll_warn_dup_exports = 1;
786 case OPTION_IMP_COMPAT:
787 pe_dll_compat_implib = 1;
789 case OPTION_ENABLE_AUTO_IMAGE_BASE:
790 pe_enable_auto_image_base = 1;
792 case OPTION_DISABLE_AUTO_IMAGE_BASE:
793 pe_enable_auto_image_base = 0;
795 case OPTION_DLL_SEARCH_PREFIX:
796 pe_dll_search_prefix = xstrdup (optarg);
798 case OPTION_NO_DEFAULT_EXCLUDES:
799 pe_dll_do_default_excludes = 0;
801 case OPTION_DLL_ENABLE_AUTO_IMPORT:
802 link_info.pei386_auto_import = 1;
804 case OPTION_DLL_DISABLE_AUTO_IMPORT:
805 link_info.pei386_auto_import = 0;
807 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
808 link_info.pei386_runtime_pseudo_reloc =
809 DEFAULT_PSEUDO_RELOC_VERSION;
811 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
812 link_info.pei386_runtime_pseudo_reloc = 1;
814 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
815 link_info.pei386_runtime_pseudo_reloc = 2;
817 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
818 link_info.pei386_runtime_pseudo_reloc = 0;
820 case OPTION_ENABLE_EXTRA_PE_DEBUG:
821 pe_dll_extra_pe_debug = 1;
824 case OPTION_LARGE_ADDRESS_AWARE:
825 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
827 case OPTION_ENABLE_LONG_SECTION_NAMES:
828 pe_use_coff_long_section_names = 1;
830 case OPTION_DISABLE_LONG_SECTION_NAMES:
831 pe_use_coff_long_section_names = 0;
833 /* Get DLLCharacteristics bits */
834 case OPTION_DYNAMIC_BASE:
835 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
837 case OPTION_FORCE_INTEGRITY:
838 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
840 case OPTION_NX_COMPAT:
841 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
843 case OPTION_NO_ISOLATION:
844 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
847 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
850 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
852 case OPTION_WDM_DRIVER:
853 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
855 case OPTION_TERMINAL_SERVER_AWARE:
856 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
860 /* Set DLLCharacteristics bits */
861 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
869 strhash (const char *str)
871 const unsigned char *s;
878 s = (const unsigned char *) str;
879 while ((c = *s++) != '\0')
881 hash += c + (c << 17);
885 hash += len + (len << 17);
891 /* Use the output file to create a image base for relocatable DLLs. */
894 compute_dll_image_base (const char *ofile)
896 unsigned long hash = strhash (ofile);
897 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
901 /* Assign values to the special symbols before the linker script is
905 gld_${EMULATION_NAME}_set_symbols (void)
907 /* Run through and invent symbols for all the
908 names and insert the defaults. */
913 if (!init[IMAGEBASEOFF].inited)
915 if (link_info.relocatable)
916 init[IMAGEBASEOFF].value = 0;
917 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
920 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
921 ? compute_dll_image_base (output_filename)
922 : NT_DLL_IMAGE_BASE);
924 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
928 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
929 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
932 /* Don't do any symbol assignments if this is a relocatable link. */
933 if (link_info.relocatable)
936 /* Glue the assignments into the abs section. */
937 push_stat_ptr (&abs_output_section->children);
939 for (j = 0; init[j].ptr; j++)
941 long val = init[j].value;
942 lang_assignment_statement_type *rv;
944 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
946 if (init[j].size == sizeof (short))
947 *(short *) init[j].ptr = val;
948 else if (init[j].size == sizeof (int))
949 *(int *) init[j].ptr = val;
950 else if (init[j].size == sizeof (long))
951 *(long *) init[j].ptr = val;
952 /* This might be a long long or other special type. */
953 else if (init[j].size == sizeof (bfd_vma))
954 *(bfd_vma *) init[j].ptr = val;
956 if (j == IMAGEBASEOFF)
957 image_base_statement = rv;
959 /* Restore the pointer. */
962 if (pe.FileAlignment > pe.SectionAlignment)
964 einfo (_("%P: warning, file alignment > section alignment.\n"));
968 /* This is called after the linker script and the command line options
972 gld_${EMULATION_NAME}_after_parse (void)
974 /* PR ld/6744: Warn the user if they have used an ELF-only
975 option hoping it will work on PE. */
976 if (link_info.export_dynamic)
977 einfo (_("%P: warning: --export-dynamic is not supported for PE "
978 "targets, did you mean --export-all-symbols?\n"));
982 after_parse_default ();
985 /* pe-dll.c directly accesses pe_data_import_dll,
986 so it must be defined outside of #ifdef DLL_SUPPORT.
987 Note - this variable is deliberately not initialised.
988 This allows it to be treated as a common varaible, and only
989 exist in one incarnation in a multiple target enabled linker. */
990 char * pe_data_import_dll;
993 static struct bfd_link_hash_entry *pe_undef_found_sym;
996 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1000 const char *hs = h->root.string;
1002 sl = strlen (string);
1003 if (h->type == bfd_link_hash_defined
1004 && ((*hs == '@' && *string == '_'
1005 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1006 || strncmp (hs, string, sl) == 0)
1007 && h->root.string[sl] == '@')
1009 pe_undef_found_sym = h;
1016 pe_fixup_stdcalls (void)
1018 static int gave_warning_message = 0;
1019 struct bfd_link_hash_entry *undef, *sym;
1021 if (pe_dll_extra_pe_debug)
1022 printf ("%s\n", __FUNCTION__);
1024 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1025 if (undef->type == bfd_link_hash_undefined)
1027 char* at = strchr (undef->root.string, '@');
1028 int lead_at = (*undef->root.string == '@');
1030 at = strchr (undef->root.string + 1, '@');
1034 /* The symbol is a stdcall symbol, so let's look for a
1035 cdecl symbol with the same name and resolve to that. */
1036 char *cname = xstrdup (undef->root.string);
1040 at = strchr (cname, '@');
1043 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1045 if (sym && sym->type == bfd_link_hash_defined)
1047 undef->type = bfd_link_hash_defined;
1048 undef->u.def.value = sym->u.def.value;
1049 undef->u.def.section = sym->u.def.section;
1051 if (pe_enable_stdcall_fixup == -1)
1053 einfo (_("Warning: resolving %s by linking to %s\n"),
1054 undef->root.string, cname);
1055 if (! gave_warning_message)
1057 gave_warning_message = 1;
1058 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1059 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1066 /* The symbol is a cdecl symbol, so we look for stdcall
1067 symbols - which means scanning the whole symbol table. */
1068 pe_undef_found_sym = 0;
1069 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1070 (char *) undef->root.string);
1071 sym = pe_undef_found_sym;
1074 undef->type = bfd_link_hash_defined;
1075 undef->u.def.value = sym->u.def.value;
1076 undef->u.def.section = sym->u.def.section;
1078 if (pe_enable_stdcall_fixup == -1)
1080 einfo (_("Warning: resolving %s by linking to %s\n"),
1081 undef->root.string, sym->root.string);
1082 if (! gave_warning_message)
1084 gave_warning_message = 1;
1085 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1086 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1095 make_import_fixup (arelent *rel, asection *s)
1097 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1100 if (pe_dll_extra_pe_debug)
1101 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1102 (unsigned long) rel->address, (long) rel->addend);
1104 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1105 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1106 s->owner, s, rel->address);
1108 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1114 pe_find_data_imports (void)
1116 struct bfd_link_hash_entry *undef, *sym;
1118 if (link_info.pei386_auto_import == 0)
1121 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1123 if (undef->type == bfd_link_hash_undefined)
1125 /* C++ symbols are *long*. */
1128 if (pe_dll_extra_pe_debug)
1129 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1131 sprintf (buf, "__imp_%s", undef->root.string);
1133 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1135 if (sym && sym->type == bfd_link_hash_defined)
1137 bfd *b = sym->u.def.section->owner;
1141 if (link_info.pei386_auto_import == -1)
1143 static bfd_boolean warned = FALSE;
1145 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1146 undef->root.string, buf);
1148 /* PR linker/4844. */
1152 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1153 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1157 if (!bfd_generic_link_read_symbols (b))
1159 einfo (_("%B%F: could not read symbols: %E\n"), b);
1163 symbols = bfd_get_outsymbols (b);
1164 nsyms = bfd_get_symcount (b);
1166 for (i = 0; i < nsyms; i++)
1168 if (! CONST_STRNEQ (symbols[i]->name,
1172 if (pe_dll_extra_pe_debug)
1173 printf ("->%s\n", symbols[i]->name);
1175 pe_data_import_dll = (char *) (symbols[i]->name
1176 + U_SIZE ("_head_") - 1);
1180 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1183 /* Let's differentiate it somehow from defined. */
1184 undef->type = bfd_link_hash_defweak;
1185 /* We replace original name with __imp_ prefixed, this
1186 1) may trash memory 2) leads to duplicate symbol generation.
1187 Still, IMHO it's better than having name poluted. */
1188 undef->root.string = sym->root.string;
1189 undef->u.def.value = sym->u.def.value;
1190 undef->u.def.section = sym->u.def.section;
1197 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1199 if (pe_dll_extra_pe_debug)
1200 printf ("+%s\n", h->string);
1204 #endif /* DLL_SUPPORT */
1207 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1209 int *found = (int *) obj;
1210 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1215 gld_${EMULATION_NAME}_after_open (void)
1217 after_open_default ();
1220 if (pe_dll_extra_pe_debug)
1223 struct bfd_link_hash_entry *sym;
1225 printf ("%s()\n", __FUNCTION__);
1227 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1228 printf ("-%s\n", sym->root.string);
1229 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1231 for (a = link_info.input_bfds; a; a = a->link_next)
1232 printf ("*%s\n",a->filename);
1236 /* Pass the wacky PE command line options into the output bfd.
1237 FIXME: This should be done via a function, rather than by
1238 including an internal BFD header. */
1240 if (coff_data (link_info.output_bfd) == NULL
1241 || coff_data (link_info.output_bfd)->pe == 0)
1242 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1243 link_info.output_bfd);
1245 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1246 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1247 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1249 /* At this point we must decide whether to use long section names
1250 in the output or not. If the user hasn't explicitly specified
1251 on the command line, we leave it to the default for the format
1252 (object files yes, image files no), except if there is debug
1253 information present; GDB relies on the long section names to
1254 find it, so enable it in that case. */
1255 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1257 /* Iterate over all sections of all input BFDs, checking
1258 for any that begin 'debug_' and are long names. */
1259 LANG_FOR_EACH_INPUT_STATEMENT (is)
1261 int found_debug = 0;
1262 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1265 pe_use_coff_long_section_names = 1;
1271 pe_output_file_set_long_section_names (link_info.output_bfd);
1274 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1275 pe_fixup_stdcalls ();
1277 pe_process_import_defs (link_info.output_bfd, &link_info);
1279 pe_find_data_imports ();
1281 /* As possibly new symbols are added by imports, we rerun
1282 stdcall/fastcall fixup here. */
1283 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1284 pe_fixup_stdcalls ();
1286 #if defined (TARGET_IS_i386pe) \
1287 || defined (TARGET_IS_armpe) \
1288 || defined (TARGET_IS_arm_epoc_pe) \
1289 || defined (TARGET_IS_arm_wince_pe)
1290 if (!link_info.relocatable)
1291 pe_dll_build_sections (link_info.output_bfd, &link_info);
1293 if (link_info.shared)
1294 pe_dll_build_sections (link_info.output_bfd, &link_info);
1296 pe_exe_build_sections (link_info.output_bfd, &link_info);
1298 #endif /* DLL_SUPPORT */
1300 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1301 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1303 /* The arm backend needs special fields in the output hash structure.
1304 These will only be created if the output format is an arm format,
1305 hence we do not support linking and changing output formats at the
1306 same time. Use a link followed by objcopy to change output formats. */
1307 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1311 /* Find a BFD that can hold the interworking stubs. */
1312 LANG_FOR_EACH_INPUT_STATEMENT (is)
1314 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1321 /* This next chunk of code tries to detect the case where you have
1322 two import libraries for the same DLL (specifically,
1323 symbolically linking libm.a and libc.a in cygwin to
1324 libcygwin.a). In those cases, it's possible for function
1325 thunks from the second implib to be used but without the
1326 head/tail objects, causing an improper import table. We detect
1327 those cases and rename the "other" import libraries to match
1328 the one the head/tail come from, so that the linker will sort
1329 things nicely and produce a valid import table. */
1331 LANG_FOR_EACH_INPUT_STATEMENT (is)
1333 if (is->the_bfd->my_archive)
1335 int idata2 = 0, reloc_count=0, is_imp = 0;
1338 /* See if this is an import library thunk. */
1339 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1341 if (strcmp (sec->name, ".idata\$2") == 0)
1343 if (CONST_STRNEQ (sec->name, ".idata\$"))
1345 reloc_count += sec->reloc_count;
1348 if (is_imp && !idata2 && reloc_count)
1350 /* It is, look for the reference to head and see if it's
1351 from our own library. */
1352 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1360 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1364 if (!bfd_generic_link_read_symbols (is->the_bfd))
1366 einfo (_("%B%F: could not read symbols: %E\n"),
1370 symbols = bfd_get_outsymbols (is->the_bfd);
1372 relocs = xmalloc ((size_t) relsize);
1373 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1378 einfo ("%X%P: unable to process relocs: %E\n");
1382 for (i = 0; i < nrelocs; i++)
1384 struct bfd_symbol *s;
1385 struct bfd_link_hash_entry * blhe;
1386 char *other_bfd_filename;
1389 s = (relocs[i]->sym_ptr_ptr)[0];
1391 if (s->flags & BSF_LOCAL)
1394 /* Thunk section with reloc to another bfd. */
1395 blhe = bfd_link_hash_lookup (link_info.hash,
1397 FALSE, FALSE, TRUE);
1400 || blhe->type != bfd_link_hash_defined)
1404 = blhe->u.def.section->owner->my_archive
1405 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1406 : bfd_get_filename (blhe->u.def.section->owner);
1408 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1409 other_bfd_filename) == 0)
1412 /* Rename this implib to match the other one. */
1413 n = xmalloc (strlen (other_bfd_filename) + 1);
1414 strcpy (n, other_bfd_filename);
1415 is->the_bfd->my_archive->filename = n;
1419 /* Note - we do not free the symbols,
1420 they are now cached in the BFD. */
1430 lang_input_statement_type *is2;
1431 lang_input_statement_type *is3;
1433 /* Careful - this is a shell script. Watch those dollar signs! */
1434 /* Microsoft import libraries have every member named the same,
1435 and not in the right order for us to link them correctly. We
1436 must detect these and rename the members so that they'll link
1437 correctly. There are three types of objects: the head, the
1438 thunks, and the sentinel(s). The head is easy; it's the one
1439 with idata2. We assume that the sentinels won't have relocs,
1440 and the thunks will. It's easier than checking the symbol
1441 table for external references. */
1442 LANG_FOR_EACH_INPUT_STATEMENT (is)
1444 if (is->the_bfd->my_archive)
1447 bfd *arch = is->the_bfd->my_archive;
1449 if (cur_arch != arch)
1455 is3 && is3->the_bfd->my_archive == arch;
1456 is3 = (lang_input_statement_type *) is3->next)
1458 /* A MS dynamic import library can also contain static
1459 members, so look for the first element with a .dll
1460 extension, and use that for the remainder of the
1462 pnt = strrchr (is3->the_bfd->filename, '.');
1463 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1471 /* OK, found one. Now look to see if the remaining
1472 (dynamic import) members use the same name. */
1474 is2 && is2->the_bfd->my_archive == arch;
1475 is2 = (lang_input_statement_type *) is2->next)
1477 /* Skip static members, ie anything with a .obj
1479 pnt = strrchr (is2->the_bfd->filename, '.');
1480 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1483 if (strcmp (is3->the_bfd->filename,
1484 is2->the_bfd->filename))
1493 /* This fragment might have come from an .obj file in a Microsoft
1494 import, and not an actual import record. If this is the case,
1495 then leave the filename alone. */
1496 pnt = strrchr (is->the_bfd->filename, '.');
1498 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1500 int idata2 = 0, reloc_count=0;
1502 char *new_name, seq;
1504 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1506 if (strcmp (sec->name, ".idata\$2") == 0)
1508 reloc_count += sec->reloc_count;
1511 if (idata2) /* .idata2 is the TOC */
1513 else if (reloc_count > 0) /* thunks */
1518 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1519 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1520 is->the_bfd->filename = new_name;
1522 new_name = xmalloc (strlen (is->filename) + 3);
1523 sprintf (new_name, "%s.%c", is->filename, seq);
1524 is->filename = new_name;
1531 /* The following chunk of code tries to identify jump stubs in
1532 import libraries which are dead code and eliminates them
1533 from the final link. For each exported symbol <sym>, there
1534 is a object file in the import library with a .text section
1535 and several .idata\$* sections. The .text section contains the
1536 symbol definition for <sym> which is a jump stub of the form
1537 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1538 for __imp_<sym> which is the address of the slot for <sym> in
1539 the import address table. When a symbol is imported explicitly
1540 using __declspec(dllimport) declaration, the compiler generates
1541 a reference to __imp_<sym> which directly resolves to the
1542 symbol in .idata\$5, in which case the jump stub code is not
1543 needed. The following code tries to identify jump stub sections
1544 in import libraries which are not referred to by anyone and
1545 marks them for exclusion from the final link. */
1546 LANG_FOR_EACH_INPUT_STATEMENT (is)
1548 if (is->the_bfd->my_archive)
1551 asection *sec, *stub_sec = NULL;
1553 /* See if this is an import library thunk. */
1554 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1556 if (strncmp (sec->name, ".idata\$", 7) == 0)
1558 /* The section containing the jmp stub has code
1560 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1564 if (is_imp && stub_sec)
1567 long nsyms, src_count;
1568 struct bfd_link_hash_entry * blhe;
1570 if (!bfd_generic_link_read_symbols (is->the_bfd))
1572 einfo (_("%B%F: could not read symbols: %E\n"),
1576 symbols = bfd_get_outsymbols (is->the_bfd);
1577 nsyms = bfd_get_symcount (is->the_bfd);
1579 for (src_count = 0; src_count < nsyms; src_count++)
1581 if (symbols[src_count]->section->id == stub_sec->id)
1583 /* This symbol belongs to the section containing
1585 blhe = bfd_link_hash_lookup (link_info.hash,
1586 symbols[src_count]->name,
1587 FALSE, FALSE, TRUE);
1588 /* If the symbol in the stub section has no other
1589 undefined references, exclude the stub section
1590 from the final link. */
1591 if (blhe && (blhe->type == bfd_link_hash_defined)
1592 && (blhe->u.undef.next == NULL))
1593 stub_sec->flags |= SEC_EXCLUDE;
1603 gld_${EMULATION_NAME}_before_allocation (void)
1605 #ifdef TARGET_IS_ppcpe
1606 /* Here we rummage through the found bfds to collect toc information. */
1608 LANG_FOR_EACH_INPUT_STATEMENT (is)
1610 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1612 /* xgettext:c-format */
1613 einfo (_("Errors encountered processing file %s\n"), is->filename);
1618 /* We have seen it all. Allocate it, and carry on. */
1619 ppc_allocate_toc_section (&link_info);
1620 #endif /* TARGET_IS_ppcpe */
1622 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1623 /* FIXME: we should be able to set the size of the interworking stub
1626 Here we rummage through the found bfds to collect glue
1627 information. FIXME: should this be based on a command line
1628 option? krk@cygnus.com. */
1630 LANG_FOR_EACH_INPUT_STATEMENT (is)
1632 if (! bfd_arm_process_before_allocation
1633 (is->the_bfd, & link_info, support_old_code))
1635 /* xgettext:c-format */
1636 einfo (_("Errors encountered processing file %s for interworking\n"),
1642 /* We have seen it all. Allocate it, and carry on. */
1643 bfd_arm_allocate_interworking_sections (& link_info);
1644 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1646 before_allocation_default ();
1650 /* This is called when an input file isn't recognized as a BFD. We
1651 check here for .DEF files and pull them in automatically. */
1654 saw_option (char *option)
1658 for (i = 0; init[i].ptr; i++)
1659 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1660 return init[i].inited;
1663 #endif /* DLL_SUPPORT */
1666 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1669 const char *ext = entry->filename + strlen (entry->filename) - 4;
1671 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1673 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1677 int i, buflen=0, len;
1680 for (i = 0; i < pe_def_file->num_exports; i++)
1682 len = strlen (pe_def_file->exports[i].internal_name);
1683 if (buflen < len + 2)
1687 buf = xmalloc (buflen);
1689 for (i = 0; i < pe_def_file->num_exports; i++)
1691 struct bfd_link_hash_entry *h;
1693 sprintf (buf, "%s%s", U (""),
1694 pe_def_file->exports[i].internal_name);
1696 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1697 if (h == (struct bfd_link_hash_entry *) NULL)
1698 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1699 if (h->type == bfd_link_hash_new)
1701 h->type = bfd_link_hash_undefined;
1702 h->u.undef.abfd = NULL;
1703 bfd_link_add_undef (link_info.hash, h);
1708 /* def_file_print (stdout, pe_def_file); */
1709 if (pe_def_file->is_dll == 1)
1710 link_info.shared = 1;
1712 if (pe_def_file->base_address != (bfd_vma)(-1))
1715 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1716 = init[IMAGEBASEOFF].value
1717 = pe_def_file->base_address;
1718 init[IMAGEBASEOFF].inited = 1;
1719 if (image_base_statement)
1720 image_base_statement->exp = exp_assign ("__image_base__",
1721 exp_intop (pe.ImageBase));
1724 if (pe_def_file->stack_reserve != -1
1725 && ! saw_option ("__size_of_stack_reserve__"))
1727 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1728 if (pe_def_file->stack_commit != -1)
1729 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1731 if (pe_def_file->heap_reserve != -1
1732 && ! saw_option ("__size_of_heap_reserve__"))
1734 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1735 if (pe_def_file->heap_commit != -1)
1736 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1746 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1749 #ifdef TARGET_IS_i386pe
1750 pe_dll_id_target ("pei-i386");
1752 #ifdef TARGET_IS_shpe
1753 pe_dll_id_target ("pei-shl");
1755 #ifdef TARGET_IS_mipspe
1756 pe_dll_id_target ("pei-mips");
1758 #ifdef TARGET_IS_armpe
1759 pe_dll_id_target ("pei-arm-little");
1761 #ifdef TARGET_IS_arm_epoc_pe
1762 pe_dll_id_target ("epoc-pei-arm-little");
1764 #ifdef TARGET_IS_arm_wince_pe
1765 pe_dll_id_target ("pei-arm-wince-little");
1767 if (pe_bfd_is_dll (entry->the_bfd))
1768 return pe_implied_import_dll (entry->filename);
1774 gld_${EMULATION_NAME}_finish (void)
1776 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1777 struct bfd_link_hash_entry * h;
1779 if (thumb_entry_symbol != NULL)
1781 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1782 FALSE, FALSE, TRUE);
1784 if (h != (struct bfd_link_hash_entry *) NULL
1785 && (h->type == bfd_link_hash_defined
1786 || h->type == bfd_link_hash_defweak)
1787 && h->u.def.section->output_section != NULL)
1789 static char buffer[32];
1792 /* Special procesing is required for a Thumb entry symbol. The
1793 bottom bit of its address must be set. */
1794 val = (h->u.def.value
1795 + bfd_get_section_vma (link_info.output_bfd,
1796 h->u.def.section->output_section)
1797 + h->u.def.section->output_offset);
1801 /* Now convert this value into a string and store it in entry_symbol
1802 where the lang_finish() function will pick it up. */
1806 sprintf_vma (buffer + 2, val);
1808 if (entry_symbol.name != NULL && entry_from_cmdline)
1809 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1810 thumb_entry_symbol, entry_symbol.name);
1811 entry_symbol.name = buffer;
1814 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1816 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1821 if (link_info.shared
1822 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1823 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1827 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1828 if (pe_implib_filename)
1829 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1831 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1832 /* ARM doesn't need relocs. */
1835 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1839 if (pe_out_def_filename)
1840 pe_dll_generate_def_file (pe_out_def_filename);
1841 #endif /* DLL_SUPPORT */
1843 /* I don't know where .idata gets set as code, but it shouldn't be. */
1845 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1849 asec->flags &= ~SEC_CODE;
1850 asec->flags |= SEC_DATA;
1856 /* Place an orphan section.
1858 We use this to put sections in a reasonable place in the file, and
1859 to ensure that they are aligned as required.
1861 We handle grouped sections here as well. A section named .foo\$nn
1862 goes into the output section .foo. All grouped sections are sorted
1865 Grouped sections for the default sections are handled by the
1866 default linker script using wildcards, and are sorted by
1869 static lang_output_section_statement_type *
1870 gld_${EMULATION_NAME}_place_orphan (asection *s,
1871 const char *secname,
1874 const char *orig_secname = secname;
1875 char *dollar = NULL;
1876 lang_output_section_statement_type *os;
1877 lang_statement_list_type add_child;
1878 lang_output_section_statement_type *match_by_name = NULL;
1879 lang_statement_union_type **pl;
1881 /* Look through the script to see where to place this section. */
1882 if (!link_info.relocatable
1883 && (dollar = strchr (secname, '\$')) != NULL)
1885 size_t len = dollar - secname;
1886 char *newname = xmalloc (len + 1);
1887 memcpy (newname, secname, len);
1888 newname[len] = '\0';
1892 lang_list_init (&add_child);
1895 if (constraint == 0)
1896 for (os = lang_output_section_find (secname);
1898 os = next_matching_output_section_statement (os, 0))
1900 /* If we don't match an existing output section, tell
1901 lang_insert_orphan to create a new output section. */
1902 constraint = SPECIAL;
1904 if (os->bfd_section != NULL
1905 && (os->bfd_section->flags == 0
1906 || ((s->flags ^ os->bfd_section->flags)
1907 & (SEC_LOAD | SEC_ALLOC)) == 0))
1909 /* We already have an output section statement with this
1910 name, and its bfd section has compatible flags.
1911 If the section already exists but does not have any flags set,
1912 then it has been created by the linker, probably as a result of
1913 a --section-start command line switch. */
1914 lang_add_section (&add_child, s, os);
1918 /* Save unused output sections in case we can match them
1919 against orphans later. */
1920 if (os->bfd_section == NULL)
1924 /* If we didn't match an active output section, see if we matched an
1925 unused one and use that. */
1926 if (os == NULL && match_by_name)
1928 lang_add_section (&match_by_name->children, s, match_by_name);
1929 return match_by_name;
1934 static struct orphan_save hold[] =
1937 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1940 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1943 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1946 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1952 enum orphan_save_index
1960 static int orphan_init_done = 0;
1961 struct orphan_save *place;
1962 lang_output_section_statement_type *after;
1963 etree_type *address;
1965 if (!orphan_init_done)
1967 struct orphan_save *ho;
1968 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1969 if (ho->name != NULL)
1971 ho->os = lang_output_section_find (ho->name);
1972 if (ho->os != NULL && ho->os->flags == 0)
1973 ho->os->flags = ho->flags;
1975 orphan_init_done = 1;
1978 /* Try to put the new output section in a reasonable place based
1979 on the section name and section flags. */
1982 if ((s->flags & SEC_ALLOC) == 0)
1984 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1985 place = &hold[orphan_bss];
1986 else if ((s->flags & SEC_READONLY) == 0)
1987 place = &hold[orphan_data];
1988 else if ((s->flags & SEC_CODE) == 0)
1990 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1991 : &hold[orphan_rodata]);
1994 place = &hold[orphan_text];
1999 if (place->os == NULL)
2000 place->os = lang_output_section_find (place->name);
2003 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2005 /* *ABS* is always the first output section statement. */
2006 after = (&lang_output_section_statement.head
2007 ->output_section_statement);
2010 /* All sections in an executable must be aligned to a page boundary. */
2011 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2012 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2016 /* If the section name has a '\$', sort it with the other '\$'
2018 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2020 lang_input_section_type *ls;
2023 if ((*pl)->header.type != lang_input_section_enum)
2026 ls = &(*pl)->input_section;
2028 lname = bfd_get_section_name (ls->section->owner, ls->section);
2029 if (strchr (lname, '\$') != NULL
2030 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2034 if (add_child.head != NULL)
2036 *add_child.tail = *pl;
2037 *pl = add_child.head;
2044 gld_${EMULATION_NAME}_open_dynamic_archive
2045 (const char *arch ATTRIBUTE_UNUSED,
2046 search_dirs_type *search,
2047 lang_input_statement_type *entry)
2051 const char * format;
2052 bfd_boolean use_prefix;
2056 /* Preferred explicit import library for dll's. */
2057 { "lib%s.dll.a", FALSE },
2058 /* Alternate explicit import library for dll's. */
2059 { "%s.dll.a", FALSE },
2060 /* "libfoo.a" could be either an import lib or a static lib.
2061 For backwards compatibility, libfoo.a needs to precede
2062 libfoo.dll and foo.dll in the search. */
2063 { "lib%s.a", FALSE },
2064 /* The 'native' spelling of an import lib name is "foo.lib". */
2065 { "%s.lib", FALSE },
2067 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2068 { "%s%s.dll", TRUE },
2070 /* Try "libfoo.dll" (default preferred dll name). */
2071 { "lib%s.dll", FALSE },
2072 /* Finally try 'native' dll name "foo.dll". */
2073 { "%s.dll", FALSE },
2074 /* Note: If adding more formats to this table, make sure to check to
2075 see if their length is longer than libname_fmt[0].format, and if
2076 so, update the call to xmalloc() below. */
2079 static unsigned int format_max_len = 0;
2080 const char * filename;
2086 if (! entry->maybe_archive)
2089 filename = entry->filename;
2091 if (format_max_len == 0)
2092 /* We need to allow space in the memory that we are going to allocate
2093 for the characters in the format string. Since the format array is
2094 static we only need to calculate this information once. In theory
2095 this value could also be computed statically, but this introduces
2096 the possibility for a discrepancy and hence a possible memory
2097 corruption. The lengths we compute here will be too long because
2098 they will include any formating characters (%s) in the strings, but
2099 this will not matter. */
2100 for (i = 0; libname_fmt[i].format; i++)
2101 if (format_max_len < strlen (libname_fmt[i].format))
2102 format_max_len = strlen (libname_fmt[i].format);
2104 full_string = xmalloc (strlen (search->name)
2108 + (pe_dll_search_prefix
2109 ? strlen (pe_dll_search_prefix) : 0)
2111 /* Allow for the terminating NUL and for the path
2112 separator character that is inserted between
2113 search->name and the start of the format string. */
2116 sprintf (full_string, "%s/", search->name);
2117 base_string = full_string + strlen (full_string);
2119 for (i = 0; libname_fmt[i].format; i++)
2122 if (libname_fmt[i].use_prefix)
2124 if (!pe_dll_search_prefix)
2126 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2130 sprintf (base_string, libname_fmt[i].format, filename);
2132 if (ldfile_try_open_bfd (full_string, entry))
2136 if (!libname_fmt[i].format)
2142 entry->filename = full_string;
2148 gld_${EMULATION_NAME}_find_potential_libraries
2149 (char *name, lang_input_statement_type *entry)
2151 return ldfile_open_file_search (name, entry, "", ".lib");
2155 gld_${EMULATION_NAME}_get_script (int *isfile)
2157 # Scripts compiled in.
2158 # sed commands to quote an ld script as a C string.
2159 sc="-f stringify.sed"
2165 if (link_info.relocatable && config.build_constructors)
2168 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2169 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2170 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2171 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2172 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2173 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2174 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2175 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2176 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2177 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2179 echo ' ; else return' >> e${EMULATION_NAME}.c
2180 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2181 echo '; }' >> e${EMULATION_NAME}.c
2186 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2188 gld_${EMULATION_NAME}_before_parse,
2191 gld_${EMULATION_NAME}_after_parse,
2192 gld_${EMULATION_NAME}_after_open,
2193 after_allocation_default,
2194 set_output_arch_default,
2195 ldemul_default_target,
2196 gld_${EMULATION_NAME}_before_allocation,
2197 gld_${EMULATION_NAME}_get_script,
2198 "${EMULATION_NAME}",
2200 gld_${EMULATION_NAME}_finish,
2201 NULL, /* Create output section statements. */
2202 gld_${EMULATION_NAME}_open_dynamic_archive,
2203 gld_${EMULATION_NAME}_place_orphan,
2204 gld_${EMULATION_NAME}_set_symbols,
2205 NULL, /* parse_args */
2206 gld${EMULATION_NAME}_add_options,
2207 gld${EMULATION_NAME}_handle_option,
2208 gld_${EMULATION_NAME}_unrecognized_file,
2209 gld_${EMULATION_NAME}_list_options,
2210 gld_${EMULATION_NAME}_recognized_file,
2211 gld_${EMULATION_NAME}_find_potential_libraries,
2212 NULL /* new_vers_pattern. */