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${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright 1995-2013 Free Software Foundation, Inc.
13 This file is part of the GNU Binutils.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 3 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
32 /* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
36 the correct entry point by default. */
38 #define TARGET_IS_${EMULATION_NAME}
40 /* Do this before including bfd.h, so we prototype the right functions. */
42 #if defined(TARGET_IS_armpe) \
43 || defined(TARGET_IS_arm_epoc_pe) \
44 || defined(TARGET_IS_arm_wince_pe)
45 #define bfd_arm_allocate_interworking_sections \
46 bfd_${EMULATION_NAME}_allocate_interworking_sections
47 #define bfd_arm_get_bfd_for_interworking \
48 bfd_${EMULATION_NAME}_get_bfd_for_interworking
49 #define bfd_arm_process_before_allocation \
50 bfd_${EMULATION_NAME}_process_before_allocation
57 #include "libiberty.h"
58 #include "filenames.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_armpe) \
96 || defined(TARGET_IS_arm_epoc_pe) \
97 || defined(TARGET_IS_arm_wince_pe)
101 #if defined(TARGET_IS_i386pe)
102 #define DEFAULT_PSEUDO_RELOC_VERSION 2
104 #define DEFAULT_PSEUDO_RELOC_VERSION 1
107 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
108 #define PE_DEF_SUBSYSTEM 3
110 #undef NT_EXE_IMAGE_BASE
111 #undef PE_DEF_SECTION_ALIGNMENT
112 #undef PE_DEF_FILE_ALIGNMENT
113 #define NT_EXE_IMAGE_BASE 0x00010000
115 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
116 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
117 #define PE_DEF_SUBSYSTEM 9
119 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
120 #define PE_DEF_SUBSYSTEM 2
122 #define PE_DEF_FILE_ALIGNMENT 0x00000200
125 static struct internal_extra_pe_aouthdr pe;
127 static int pe_subsystem = ${SUBSYSTEM};
128 static flagword real_flags = 0;
129 static int support_old_code = 0;
130 static char * thumb_entry_symbol = NULL;
131 static lang_assignment_statement_type *image_base_statement = 0;
132 static unsigned short pe_dll_characteristics = 0;
135 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
136 static char *pe_out_def_filename = NULL;
137 static char *pe_implib_filename = NULL;
138 static int pe_enable_auto_image_base = 0;
139 static char *pe_dll_search_prefix = NULL;
142 extern const char *output_filename;
144 static int is_underscoring (void)
147 if (pe_leading_underscore != -1)
148 return pe_leading_underscore;
149 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
150 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
154 pe_leading_underscore = (u != 0 ? 1 : 0);
155 return pe_leading_underscore;
159 gld_${EMULATION_NAME}_before_parse (void)
162 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
163 output_filename = "${EXECUTABLE_NAME:-a.exe}";
165 input_flags.dynamic = TRUE;
166 config.has_shared = 1;
169 # Cygwin no longer wants these noisy warnings. Other PE
170 # targets might like to consider adding themselves here.
171 # See also the mail thread starting here for the reason why
172 # merge_rdata defaults to 0 for cygwin:
173 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
176 default_auto_import=1
177 default_merge_rdata=0
179 i[3-7]86-*-mingw* | x86_64-*-mingw*)
180 default_auto_import=1
181 default_merge_rdata=0
184 default_auto_import=-1
185 default_merge_rdata=1
190 link_info.pei386_auto_import = ${default_auto_import};
191 /* Use by default version. */
192 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
196 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
197 version 2 is used and auto-import is enabled. */
198 #define MERGE_RDATA_V2 ${default_merge_rdata}
200 /* PE format extra command line options. */
202 /* Used for setting flags in the PE header. */
203 #define OPTION_BASE_FILE (300 + 1)
204 #define OPTION_DLL (OPTION_BASE_FILE + 1)
205 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
206 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
207 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
208 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
209 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
210 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
211 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
212 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
213 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
214 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
215 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
216 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
217 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
218 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
219 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
220 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
221 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
222 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
223 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
224 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
225 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
226 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
227 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
228 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
229 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
230 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
231 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
232 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
233 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
234 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
235 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
236 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
237 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
238 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
239 (OPTION_EXCLUDE_LIBS + 1)
240 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
241 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
242 #define OPTION_LARGE_ADDRESS_AWARE \
243 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
244 #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
245 (OPTION_LARGE_ADDRESS_AWARE + 1)
246 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
247 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
248 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
249 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
250 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
251 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
252 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
253 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
254 #define OPTION_NO_LEADING_UNDERSCORE \
255 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
256 #define OPTION_LEADING_UNDERSCORE \
257 (OPTION_NO_LEADING_UNDERSCORE + 1)
258 #define OPTION_ENABLE_LONG_SECTION_NAMES \
259 (OPTION_LEADING_UNDERSCORE + 1)
260 #define OPTION_DISABLE_LONG_SECTION_NAMES \
261 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
262 /* DLLCharacteristics flags */
263 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
264 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
265 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
266 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
267 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
268 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
269 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
270 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
273 gld${EMULATION_NAME}_add_options
274 (int ns ATTRIBUTE_UNUSED,
275 char **shortopts ATTRIBUTE_UNUSED,
277 struct option **longopts,
278 int nrl ATTRIBUTE_UNUSED,
279 struct option **really_longopts ATTRIBUTE_UNUSED)
281 static const struct option xtra_long[] =
284 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
285 {"dll", no_argument, NULL, OPTION_DLL},
286 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
287 {"heap", required_argument, NULL, OPTION_HEAP},
288 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
289 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
290 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
291 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
292 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
293 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
294 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
295 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
296 {"stack", required_argument, NULL, OPTION_STACK},
297 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
298 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
299 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
300 {"use-nul-prefixed-import-tables", no_argument, NULL,
301 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
302 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
303 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
305 /* getopt allows abbreviations, so we do this to stop it
306 from treating -o as an abbreviation for this option. */
307 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
308 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
309 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
310 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
311 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
312 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
313 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
314 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
315 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
316 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
317 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
318 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
319 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
320 /* getopt() allows abbreviations, so we do this to stop it from
321 treating -c as an abbreviation for these --compat-implib. */
322 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
323 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
324 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
325 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
326 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
327 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
328 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
329 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
330 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
331 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
332 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
333 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
334 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
336 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
337 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
338 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
339 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
340 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
341 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
342 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
343 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
344 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
345 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
346 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
347 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
348 {NULL, no_argument, NULL, 0}
352 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
353 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
356 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
357 parameters which may be input from the command line. */
366 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
367 C visible symbols can be prefixed by underscore dependent to target's
369 bfd_boolean is_c_symbol;
372 /* Get symbol name dependent to kind and C visible state of
374 #define GET_INIT_SYMBOL_NAME(IDX) \
375 (init[(IDX)].symbol \
376 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
378 /* Decorates the C visible symbol by underscore, if target requires. */
380 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
382 /* Get size of constant string for a possible underscore prefixed
384 #define U_SIZE(CSTR) \
385 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
387 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
389 static definfo init[] =
391 /* imagebase must be first */
392 #define IMAGEBASEOFF 0
393 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
395 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
396 #define MSIMAGEBASEOFF 2
397 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
398 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
399 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
400 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
401 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
402 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
403 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
404 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
405 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
407 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
409 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
410 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
411 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
412 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
413 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
414 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
415 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
416 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
417 { NULL, 0, 0, NULL, 0 , FALSE}
422 gld_${EMULATION_NAME}_list_options (FILE *file)
424 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
425 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
426 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
427 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
428 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
429 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
430 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
431 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
432 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
433 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
434 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
435 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
436 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
437 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
438 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
439 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
440 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
442 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
443 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
444 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
445 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
446 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
447 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
448 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
449 fprintf (file, _(" Exclude objects, archive members from auto\n"));
450 fprintf (file, _(" export, place into import library instead.\n"));
451 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
452 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
453 fprintf (file, _(" --out-implib <file> Generate import library\n"));
454 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
455 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
456 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
457 create __imp_<SYMBOL> as well.\n"));
458 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
459 unless user specifies one\n"));
460 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
461 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
462 an importlib, use <string><basename>.dll\n\
463 in preference to lib<basename>.dll \n"));
464 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
465 __imp_sym for DATA references\n"));
466 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
467 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
468 adding pseudo-relocations resolved at\n\
470 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
471 auto-imported DATA.\n"));
472 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
473 or linking to DLLs (esp. auto-import)\n"));
475 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
476 greater than 2 gigabytes\n"));
477 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
478 addresses greater than 2 gigabytes\n"));
479 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
480 executable image files\n"));
481 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
482 in object files\n"));
483 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
484 address space layout randomization (ASLR)\n"));
485 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
486 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
487 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
488 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
489 be called in this image\n"));
490 fprintf (file, _(" --no-bind Do not bind this image\n"));
491 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
492 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
497 set_pe_name (char *name, long val)
502 /* Find the name and set it. */
503 for (i = 0; init[i].ptr; i++)
505 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
509 if (strcmp (name,"__image_base__") == 0)
510 set_pe_name (U ("__ImageBase"), val);
518 set_entry_point (void)
521 const char *initial_symbol_char;
531 { 1, "NtProcessStartup" },
532 { 2, "WinMainCRTStartup" },
533 { 3, "mainCRTStartup" },
534 { 7, "__PosixProcessStartup"},
535 { 9, "WinMainCRTStartup" },
536 {14, "mainCRTStartup" },
540 /* Entry point name for arbitrary subsystem numbers. */
541 static const char default_entry[] = "mainCRTStartup";
543 if (link_info.shared || dll)
545 #if defined (TARGET_IS_i386pe)
546 entry = "DllMainCRTStartup@12";
548 entry = "DllMainCRTStartup";
554 for (i = 0; v[i].entry; i++)
555 if (v[i].value == pe_subsystem)
558 /* If no match, use the default. */
559 if (v[i].entry != NULL)
562 entry = default_entry;
565 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
567 if (*initial_symbol_char != '\0')
571 /* lang_default_entry expects its argument to be permanently
572 allocated, so we don't free this string. */
573 alc_entry = xmalloc (strlen (initial_symbol_char)
576 strcpy (alc_entry, initial_symbol_char);
577 strcat (alc_entry, entry);
581 lang_default_entry (entry);
585 set_pe_subsystem (void)
591 unsigned long temp_subsystem;
608 /* Check for the presence of a version number. */
609 sver = strchr (optarg, ':');
611 len = strlen (optarg);
615 set_pe_name ("__major_subsystem_version__",
616 strtoul (sver + 1, &end, 0));
618 set_pe_name ("__minor_subsystem_version__",
619 strtoul (end + 1, &end, 0));
621 einfo (_("%P: warning: bad version number in -subsystem option\n"));
624 /* Check for numeric subsystem. */
625 temp_subsystem = strtoul (optarg, & end, 0);
626 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
628 /* Search list for a numeric match to use its entry point. */
629 for (i = 0; v[i].name; i++)
630 if (v[i].value == (int) temp_subsystem)
633 /* Use this subsystem. */
634 pe_subsystem = (int) temp_subsystem;
638 /* Search for subsystem by name. */
639 for (i = 0; v[i].name; i++)
640 if (strncmp (optarg, v[i].name, len) == 0
641 && v[i].name[len] == '\0')
644 if (v[i].name == NULL)
646 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
650 pe_subsystem = v[i].value;
653 set_pe_name ("__subsystem__", pe_subsystem);
660 set_pe_value (char *name)
664 set_pe_name (name, strtoul (optarg, &end, 0));
667 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
674 set_pe_stack_heap (char *resname, char *comname)
676 set_pe_value (resname);
681 set_pe_value (comname);
684 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
689 gld${EMULATION_NAME}_handle_option (int optc)
696 case OPTION_BASE_FILE:
697 link_info.base_file = fopen (optarg, FOPEN_WB);
698 if (link_info.base_file == NULL)
699 einfo (_("%F%P: cannot open base file %s\n"), optarg);
704 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
707 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
709 case OPTION_SUBSYSTEM:
712 case OPTION_MAJOR_OS_VERSION:
713 set_pe_value ("__major_os_version__");
715 case OPTION_MINOR_OS_VERSION:
716 set_pe_value ("__minor_os_version__");
718 case OPTION_MAJOR_SUBSYSTEM_VERSION:
719 set_pe_value ("__major_subsystem_version__");
721 case OPTION_MINOR_SUBSYSTEM_VERSION:
722 set_pe_value ("__minor_subsystem_version__");
724 case OPTION_MAJOR_IMAGE_VERSION:
725 set_pe_value ("__major_image_version__");
727 case OPTION_MINOR_IMAGE_VERSION:
728 set_pe_value ("__minor_image_version__");
730 case OPTION_FILE_ALIGNMENT:
731 set_pe_value ("__file_alignment__");
733 case OPTION_SECTION_ALIGNMENT:
734 set_pe_value ("__section_alignment__");
737 set_pe_name ("__dll__", 1);
739 case OPTION_IMAGE_BASE:
740 set_pe_value ("__image_base__");
742 case OPTION_SUPPORT_OLD_CODE:
743 support_old_code = 1;
745 case OPTION_THUMB_ENTRY:
746 thumb_entry_symbol = optarg;
748 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
749 pe_use_nul_prefixed_import_tables = TRUE;
751 case OPTION_NO_LEADING_UNDERSCORE:
752 pe_leading_underscore = 0;
754 case OPTION_LEADING_UNDERSCORE:
755 pe_leading_underscore = 1;
759 pe_out_def_filename = xstrdup (optarg);
761 case OPTION_EXPORT_ALL:
762 pe_dll_export_everything = 1;
764 case OPTION_EXCLUDE_SYMBOLS:
765 pe_dll_add_excludes (optarg, EXCLUDESYMS);
767 case OPTION_EXCLUDE_ALL_SYMBOLS:
768 pe_dll_exclude_all_symbols = 1;
770 case OPTION_EXCLUDE_LIBS:
771 pe_dll_add_excludes (optarg, EXCLUDELIBS);
773 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
774 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
776 case OPTION_KILL_ATS:
779 case OPTION_STDCALL_ALIASES:
780 pe_dll_stdcall_aliases = 1;
782 case OPTION_ENABLE_STDCALL_FIXUP:
783 pe_enable_stdcall_fixup = 1;
785 case OPTION_DISABLE_STDCALL_FIXUP:
786 pe_enable_stdcall_fixup = 0;
788 case OPTION_IMPLIB_FILENAME:
789 pe_implib_filename = xstrdup (optarg);
791 case OPTION_WARN_DUPLICATE_EXPORTS:
792 pe_dll_warn_dup_exports = 1;
794 case OPTION_IMP_COMPAT:
795 pe_dll_compat_implib = 1;
797 case OPTION_ENABLE_AUTO_IMAGE_BASE:
798 pe_enable_auto_image_base = 1;
800 case OPTION_DISABLE_AUTO_IMAGE_BASE:
801 pe_enable_auto_image_base = 0;
803 case OPTION_DLL_SEARCH_PREFIX:
804 pe_dll_search_prefix = xstrdup (optarg);
806 case OPTION_NO_DEFAULT_EXCLUDES:
807 pe_dll_do_default_excludes = 0;
809 case OPTION_DLL_ENABLE_AUTO_IMPORT:
810 link_info.pei386_auto_import = 1;
812 case OPTION_DLL_DISABLE_AUTO_IMPORT:
813 link_info.pei386_auto_import = 0;
815 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
816 link_info.pei386_runtime_pseudo_reloc =
817 DEFAULT_PSEUDO_RELOC_VERSION;
819 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
820 link_info.pei386_runtime_pseudo_reloc = 1;
822 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
823 link_info.pei386_runtime_pseudo_reloc = 2;
825 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
826 link_info.pei386_runtime_pseudo_reloc = 0;
828 case OPTION_ENABLE_EXTRA_PE_DEBUG:
829 pe_dll_extra_pe_debug = 1;
832 case OPTION_LARGE_ADDRESS_AWARE:
833 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
835 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
836 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
838 case OPTION_ENABLE_LONG_SECTION_NAMES:
839 pe_use_coff_long_section_names = 1;
841 case OPTION_DISABLE_LONG_SECTION_NAMES:
842 pe_use_coff_long_section_names = 0;
844 /* Get DLLCharacteristics bits */
845 case OPTION_DYNAMIC_BASE:
846 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
848 case OPTION_FORCE_INTEGRITY:
849 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
851 case OPTION_NX_COMPAT:
852 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
854 case OPTION_NO_ISOLATION:
855 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
858 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
861 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
863 case OPTION_WDM_DRIVER:
864 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
866 case OPTION_TERMINAL_SERVER_AWARE:
867 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
871 /* Set DLLCharacteristics bits */
872 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
880 strhash (const char *str)
882 const unsigned char *s;
889 s = (const unsigned char *) str;
890 while ((c = *s++) != '\0')
892 hash += c + (c << 17);
896 hash += len + (len << 17);
902 /* Use the output file to create a image base for relocatable DLLs. */
905 compute_dll_image_base (const char *ofile)
907 unsigned long hash = strhash (ofile);
908 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
912 /* Assign values to the special symbols before the linker script is
916 gld_${EMULATION_NAME}_set_symbols (void)
918 /* Run through and invent symbols for all the
919 names and insert the defaults. */
924 if (!init[IMAGEBASEOFF].inited)
926 if (link_info.relocatable)
927 init[IMAGEBASEOFF].value = 0;
928 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
931 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
932 ? compute_dll_image_base (output_filename)
933 : NT_DLL_IMAGE_BASE);
935 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
939 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
940 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
943 /* Don't do any symbol assignments if this is a relocatable link. */
944 if (link_info.relocatable)
947 /* Glue the assignments into the abs section. */
948 push_stat_ptr (&abs_output_section->children);
950 for (j = 0; init[j].ptr; j++)
952 long val = init[j].value;
953 lang_assignment_statement_type *rv;
955 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
956 exp_intop (val), FALSE));
957 if (init[j].size == sizeof (short))
958 *(short *) init[j].ptr = val;
959 else if (init[j].size == sizeof (int))
960 *(int *) init[j].ptr = val;
961 else if (init[j].size == sizeof (long))
962 *(long *) init[j].ptr = val;
963 /* This might be a long long or other special type. */
964 else if (init[j].size == sizeof (bfd_vma))
965 *(bfd_vma *) init[j].ptr = val;
967 if (j == IMAGEBASEOFF)
968 image_base_statement = rv;
970 /* Restore the pointer. */
973 if (pe.FileAlignment > pe.SectionAlignment)
975 einfo (_("%P: warning, file alignment > section alignment.\n"));
979 /* This is called after the linker script and the command line options
983 gld_${EMULATION_NAME}_after_parse (void)
985 /* PR ld/6744: Warn the user if they have used an ELF-only
986 option hoping it will work on PE. */
987 if (link_info.export_dynamic)
988 einfo (_("%P: warning: --export-dynamic is not supported for PE "
989 "targets, did you mean --export-all-symbols?\n"));
993 after_parse_default ();
996 /* pe-dll.c directly accesses pe_data_import_dll,
997 so it must be defined outside of #ifdef DLL_SUPPORT.
998 Note - this variable is deliberately not initialised.
999 This allows it to be treated as a common varaible, and only
1000 exist in one incarnation in a multiple target enabled linker. */
1001 char * pe_data_import_dll;
1004 static struct bfd_link_hash_entry *pe_undef_found_sym;
1007 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1011 const char *hs = h->root.string;
1013 sl = strlen (string);
1014 if (h->type == bfd_link_hash_defined
1015 && ((*hs == '@' && *string == '_'
1016 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1017 || strncmp (hs, string, sl) == 0)
1018 && h->root.string[sl] == '@')
1020 pe_undef_found_sym = h;
1027 pe_fixup_stdcalls (void)
1029 static int gave_warning_message = 0;
1030 struct bfd_link_hash_entry *undef, *sym;
1032 if (pe_dll_extra_pe_debug)
1033 printf ("%s\n", __FUNCTION__);
1035 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1036 if (undef->type == bfd_link_hash_undefined)
1038 char* at = strchr (undef->root.string, '@');
1039 int lead_at = (*undef->root.string == '@');
1041 at = strchr (undef->root.string + 1, '@');
1045 /* The symbol is a stdcall symbol, so let's look for a
1046 cdecl symbol with the same name and resolve to that. */
1047 char *cname = xstrdup (undef->root.string);
1051 at = strchr (cname, '@');
1054 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1056 if (sym && sym->type == bfd_link_hash_defined)
1058 undef->type = bfd_link_hash_defined;
1059 undef->u.def.value = sym->u.def.value;
1060 undef->u.def.section = sym->u.def.section;
1062 if (pe_enable_stdcall_fixup == -1)
1064 einfo (_("Warning: resolving %s by linking to %s\n"),
1065 undef->root.string, cname);
1066 if (! gave_warning_message)
1068 gave_warning_message = 1;
1069 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1070 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1077 /* The symbol is a cdecl symbol, so we look for stdcall
1078 symbols - which means scanning the whole symbol table. */
1079 pe_undef_found_sym = 0;
1080 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1081 (char *) undef->root.string);
1082 sym = pe_undef_found_sym;
1085 undef->type = bfd_link_hash_defined;
1086 undef->u.def.value = sym->u.def.value;
1087 undef->u.def.section = sym->u.def.section;
1089 if (pe_enable_stdcall_fixup == -1)
1091 einfo (_("Warning: resolving %s by linking to %s\n"),
1092 undef->root.string, sym->root.string);
1093 if (! gave_warning_message)
1095 gave_warning_message = 1;
1096 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1097 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1106 make_import_fixup (arelent *rel, asection *s)
1108 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1111 if (pe_dll_extra_pe_debug)
1112 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1113 (unsigned long) rel->address, (long) rel->addend);
1115 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1116 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1117 s->owner, s, rel->address);
1119 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1125 pe_find_data_imports (void)
1127 struct bfd_link_hash_entry *undef, *sym;
1129 if (link_info.pei386_auto_import == 0)
1132 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1134 if (undef->type == bfd_link_hash_undefined)
1136 /* C++ symbols are *long*. */
1139 if (pe_dll_extra_pe_debug)
1140 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1142 sprintf (buf, "__imp_%s", undef->root.string);
1144 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1146 if (sym && sym->type == bfd_link_hash_defined)
1148 bfd *b = sym->u.def.section->owner;
1152 if (link_info.pei386_auto_import == -1)
1154 static bfd_boolean warned = FALSE;
1156 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1157 undef->root.string, buf);
1159 /* PR linker/4844. */
1163 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1164 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1168 if (!bfd_generic_link_read_symbols (b))
1170 einfo (_("%B%F: could not read symbols: %E\n"), b);
1174 symbols = bfd_get_outsymbols (b);
1175 nsyms = bfd_get_symcount (b);
1177 for (i = 0; i < nsyms; i++)
1179 if (! CONST_STRNEQ (symbols[i]->name,
1183 if (pe_dll_extra_pe_debug)
1184 printf ("->%s\n", symbols[i]->name);
1186 pe_data_import_dll = (char *) (symbols[i]->name
1187 + U_SIZE ("_head_") - 1);
1191 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1194 /* Let's differentiate it somehow from defined. */
1195 undef->type = bfd_link_hash_defweak;
1196 /* We replace original name with __imp_ prefixed, this
1197 1) may trash memory 2) leads to duplicate symbol generation.
1198 Still, IMHO it's better than having name poluted. */
1199 undef->root.string = sym->root.string;
1200 undef->u.def.value = sym->u.def.value;
1201 undef->u.def.section = sym->u.def.section;
1208 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1210 printf ("+%s\n", h->string);
1214 #endif /* DLL_SUPPORT */
1217 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1219 int *found = (int *) obj;
1220 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1225 gld_${EMULATION_NAME}_after_open (void)
1227 after_open_default ();
1230 if (pe_dll_extra_pe_debug)
1233 struct bfd_link_hash_entry *sym;
1235 printf ("%s()\n", __FUNCTION__);
1237 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1238 printf ("-%s\n", sym->root.string);
1239 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1241 for (a = link_info.input_bfds; a; a = a->link_next)
1242 printf ("*%s\n",a->filename);
1246 /* Pass the wacky PE command line options into the output bfd.
1247 FIXME: This should be done via a function, rather than by
1248 including an internal BFD header. */
1250 if (coff_data (link_info.output_bfd) == NULL
1251 || coff_data (link_info.output_bfd)->pe == 0)
1252 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1253 link_info.output_bfd);
1255 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1256 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1257 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1259 /* At this point we must decide whether to use long section names
1260 in the output or not. If the user hasn't explicitly specified
1261 on the command line, we leave it to the default for the format
1262 (object files yes, image files no), except if there is debug
1263 information present; GDB relies on the long section names to
1264 find it, so enable it in that case. */
1265 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1267 /* Iterate over all sections of all input BFDs, checking
1268 for any that begin 'debug_' and are long names. */
1269 LANG_FOR_EACH_INPUT_STATEMENT (is)
1271 int found_debug = 0;
1272 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1275 pe_use_coff_long_section_names = 1;
1281 pe_output_file_set_long_section_names (link_info.output_bfd);
1284 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1285 pe_fixup_stdcalls ();
1287 pe_process_import_defs (link_info.output_bfd, &link_info);
1289 pe_find_data_imports ();
1291 /* As possibly new symbols are added by imports, we rerun
1292 stdcall/fastcall fixup here. */
1293 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1294 pe_fixup_stdcalls ();
1296 #if defined (TARGET_IS_i386pe) \
1297 || defined (TARGET_IS_armpe) \
1298 || defined (TARGET_IS_arm_epoc_pe) \
1299 || defined (TARGET_IS_arm_wince_pe)
1300 if (!link_info.relocatable)
1301 pe_dll_build_sections (link_info.output_bfd, &link_info);
1303 if (link_info.shared)
1304 pe_dll_build_sections (link_info.output_bfd, &link_info);
1306 pe_exe_build_sections (link_info.output_bfd, &link_info);
1308 #endif /* DLL_SUPPORT */
1310 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1311 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1313 /* The arm backend needs special fields in the output hash structure.
1314 These will only be created if the output format is an arm format,
1315 hence we do not support linking and changing output formats at the
1316 same time. Use a link followed by objcopy to change output formats. */
1317 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1321 /* Find a BFD that can hold the interworking stubs. */
1322 LANG_FOR_EACH_INPUT_STATEMENT (is)
1324 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1331 /* This next chunk of code tries to detect the case where you have
1332 two import libraries for the same DLL (specifically,
1333 symbolically linking libm.a and libc.a in cygwin to
1334 libcygwin.a). In those cases, it's possible for function
1335 thunks from the second implib to be used but without the
1336 head/tail objects, causing an improper import table. We detect
1337 those cases and rename the "other" import libraries to match
1338 the one the head/tail come from, so that the linker will sort
1339 things nicely and produce a valid import table. */
1341 LANG_FOR_EACH_INPUT_STATEMENT (is)
1343 if (is->the_bfd->my_archive)
1345 int idata2 = 0, reloc_count=0, is_imp = 0;
1348 /* See if this is an import library thunk. */
1349 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1351 if (strcmp (sec->name, ".idata\$2") == 0)
1353 if (CONST_STRNEQ (sec->name, ".idata\$"))
1355 reloc_count += sec->reloc_count;
1358 if (is_imp && !idata2 && reloc_count)
1360 /* It is, look for the reference to head and see if it's
1361 from our own library. */
1362 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1370 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1374 if (!bfd_generic_link_read_symbols (is->the_bfd))
1376 einfo (_("%B%F: could not read symbols: %E\n"),
1380 symbols = bfd_get_outsymbols (is->the_bfd);
1382 relocs = xmalloc ((size_t) relsize);
1383 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1388 einfo ("%X%P: unable to process relocs: %E\n");
1392 for (i = 0; i < nrelocs; i++)
1394 struct bfd_symbol *s;
1395 struct bfd_link_hash_entry * blhe;
1396 char *other_bfd_filename;
1399 s = (relocs[i]->sym_ptr_ptr)[0];
1401 if (s->flags & BSF_LOCAL)
1404 /* Thunk section with reloc to another bfd. */
1405 blhe = bfd_link_hash_lookup (link_info.hash,
1407 FALSE, FALSE, TRUE);
1410 || blhe->type != bfd_link_hash_defined)
1414 = blhe->u.def.section->owner->my_archive
1415 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1416 : bfd_get_filename (blhe->u.def.section->owner);
1418 if (filename_cmp (bfd_get_filename
1419 (is->the_bfd->my_archive),
1420 other_bfd_filename) == 0)
1423 /* Rename this implib to match the other one. */
1424 n = xmalloc (strlen (other_bfd_filename) + 1);
1425 strcpy (n, other_bfd_filename);
1426 is->the_bfd->my_archive->filename = n;
1430 /* Note - we do not free the symbols,
1431 they are now cached in the BFD. */
1441 lang_input_statement_type *is2;
1442 lang_input_statement_type *is3;
1444 /* Careful - this is a shell script. Watch those dollar signs! */
1445 /* Microsoft import libraries have every member named the same,
1446 and not in the right order for us to link them correctly. We
1447 must detect these and rename the members so that they'll link
1448 correctly. There are three types of objects: the head, the
1449 thunks, and the sentinel(s). The head is easy; it's the one
1450 with idata2. We assume that the sentinels won't have relocs,
1451 and the thunks will. It's easier than checking the symbol
1452 table for external references. */
1453 LANG_FOR_EACH_INPUT_STATEMENT (is)
1455 if (is->the_bfd->my_archive)
1458 bfd *arch = is->the_bfd->my_archive;
1460 if (cur_arch != arch)
1466 is3 && is3->the_bfd->my_archive == arch;
1467 is3 = (lang_input_statement_type *) is3->next)
1469 /* A MS dynamic import library can also contain static
1470 members, so look for the first element with a .dll
1471 extension, and use that for the remainder of the
1473 pnt = strrchr (is3->the_bfd->filename, '.');
1474 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1482 /* OK, found one. Now look to see if the remaining
1483 (dynamic import) members use the same name. */
1485 is2 && is2->the_bfd->my_archive == arch;
1486 is2 = (lang_input_statement_type *) is2->next)
1488 /* Skip static members, ie anything with a .obj
1490 pnt = strrchr (is2->the_bfd->filename, '.');
1491 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1494 if (filename_cmp (is3->the_bfd->filename,
1495 is2->the_bfd->filename))
1504 /* This fragment might have come from an .obj file in a Microsoft
1505 import, and not an actual import record. If this is the case,
1506 then leave the filename alone. */
1507 pnt = strrchr (is->the_bfd->filename, '.');
1509 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1511 int idata2 = 0, reloc_count=0;
1513 char *new_name, seq;
1515 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1517 if (strcmp (sec->name, ".idata\$2") == 0)
1519 reloc_count += sec->reloc_count;
1522 if (idata2) /* .idata2 is the TOC */
1524 else if (reloc_count > 0) /* thunks */
1529 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1530 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1531 is->the_bfd->filename = new_name;
1533 new_name = xmalloc (strlen (is->filename) + 3);
1534 sprintf (new_name, "%s.%c", is->filename, seq);
1535 is->filename = new_name;
1542 /* The following chunk of code tries to identify jump stubs in
1543 import libraries which are dead code and eliminates them
1544 from the final link. For each exported symbol <sym>, there
1545 is a object file in the import library with a .text section
1546 and several .idata\$* sections. The .text section contains the
1547 symbol definition for <sym> which is a jump stub of the form
1548 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1549 for __imp_<sym> which is the address of the slot for <sym> in
1550 the import address table. When a symbol is imported explicitly
1551 using __declspec(dllimport) declaration, the compiler generates
1552 a reference to __imp_<sym> which directly resolves to the
1553 symbol in .idata\$5, in which case the jump stub code is not
1554 needed. The following code tries to identify jump stub sections
1555 in import libraries which are not referred to by anyone and
1556 marks them for exclusion from the final link. */
1557 LANG_FOR_EACH_INPUT_STATEMENT (is)
1559 if (is->the_bfd->my_archive)
1562 asection *sec, *stub_sec = NULL;
1564 /* See if this is an import library thunk. */
1565 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1567 if (strncmp (sec->name, ".idata\$", 7) == 0)
1569 /* The section containing the jmp stub has code
1571 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1575 if (is_imp && stub_sec)
1578 long nsyms, src_count;
1579 struct bfd_link_hash_entry * blhe;
1581 if (!bfd_generic_link_read_symbols (is->the_bfd))
1583 einfo (_("%B%F: could not read symbols: %E\n"),
1587 symbols = bfd_get_outsymbols (is->the_bfd);
1588 nsyms = bfd_get_symcount (is->the_bfd);
1590 for (src_count = 0; src_count < nsyms; src_count++)
1592 if (symbols[src_count]->section->id == stub_sec->id)
1594 /* This symbol belongs to the section containing
1596 blhe = bfd_link_hash_lookup (link_info.hash,
1597 symbols[src_count]->name,
1598 FALSE, FALSE, TRUE);
1599 /* If the symbol in the stub section has no other
1600 undefined references, exclude the stub section
1601 from the final link. */
1603 && blhe->type == bfd_link_hash_defined
1604 && blhe->u.undef.next == NULL
1605 && blhe != link_info.hash->undefs_tail)
1606 stub_sec->flags |= SEC_EXCLUDE;
1616 gld_${EMULATION_NAME}_before_allocation (void)
1618 #ifdef TARGET_IS_ppcpe
1619 /* Here we rummage through the found bfds to collect toc information. */
1621 LANG_FOR_EACH_INPUT_STATEMENT (is)
1623 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1625 /* xgettext:c-format */
1626 einfo (_("Errors encountered processing file %s\n"), is->filename);
1631 /* We have seen it all. Allocate it, and carry on. */
1632 ppc_allocate_toc_section (&link_info);
1633 #endif /* TARGET_IS_ppcpe */
1635 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1636 /* FIXME: we should be able to set the size of the interworking stub
1639 Here we rummage through the found bfds to collect glue
1640 information. FIXME: should this be based on a command line
1641 option? krk@cygnus.com. */
1643 LANG_FOR_EACH_INPUT_STATEMENT (is)
1645 if (! bfd_arm_process_before_allocation
1646 (is->the_bfd, & link_info, support_old_code))
1648 /* xgettext:c-format */
1649 einfo (_("Errors encountered processing file %s for interworking\n"),
1655 /* We have seen it all. Allocate it, and carry on. */
1656 bfd_arm_allocate_interworking_sections (& link_info);
1657 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1659 before_allocation_default ();
1663 /* This is called when an input file isn't recognized as a BFD. We
1664 check here for .DEF files and pull them in automatically. */
1667 saw_option (char *option)
1671 for (i = 0; init[i].ptr; i++)
1672 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1673 return init[i].inited;
1676 #endif /* DLL_SUPPORT */
1679 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1682 const char *ext = entry->filename + strlen (entry->filename) - 4;
1684 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1686 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1690 int i, buflen=0, len;
1693 for (i = 0; i < pe_def_file->num_exports; i++)
1695 len = strlen (pe_def_file->exports[i].internal_name);
1696 if (buflen < len + 2)
1700 buf = xmalloc (buflen);
1702 for (i = 0; i < pe_def_file->num_exports; i++)
1704 struct bfd_link_hash_entry *h;
1706 sprintf (buf, "%s%s", U (""),
1707 pe_def_file->exports[i].internal_name);
1709 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1710 if (h == (struct bfd_link_hash_entry *) NULL)
1711 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1712 if (h->type == bfd_link_hash_new)
1714 h->type = bfd_link_hash_undefined;
1715 h->u.undef.abfd = NULL;
1716 bfd_link_add_undef (link_info.hash, h);
1721 /* def_file_print (stdout, pe_def_file); */
1722 if (pe_def_file->is_dll == 1)
1723 link_info.shared = 1;
1725 if (pe_def_file->base_address != (bfd_vma)(-1))
1728 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1729 = init[IMAGEBASEOFF].value
1730 = pe_def_file->base_address;
1731 init[IMAGEBASEOFF].inited = 1;
1732 if (image_base_statement)
1733 image_base_statement->exp
1734 = exp_assign ("__image_base__", 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_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1763 #ifdef TARGET_IS_i386pe
1764 pe_dll_id_target ("pei-i386");
1766 #ifdef TARGET_IS_shpe
1767 pe_dll_id_target ("pei-shl");
1769 #ifdef TARGET_IS_armpe
1770 pe_dll_id_target ("pei-arm-little");
1772 #ifdef TARGET_IS_arm_epoc_pe
1773 pe_dll_id_target ("epoc-pei-arm-little");
1775 #ifdef TARGET_IS_arm_wince_pe
1776 pe_dll_id_target ("pei-arm-wince-little");
1778 if (pe_bfd_is_dll (entry->the_bfd))
1779 return pe_implied_import_dll (entry->filename);
1785 gld_${EMULATION_NAME}_finish (void)
1787 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1788 struct bfd_link_hash_entry * h;
1790 if (thumb_entry_symbol != NULL)
1792 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1793 FALSE, FALSE, TRUE);
1795 if (h != (struct bfd_link_hash_entry *) NULL
1796 && (h->type == bfd_link_hash_defined
1797 || h->type == bfd_link_hash_defweak)
1798 && h->u.def.section->output_section != NULL)
1800 static char buffer[32];
1803 /* Special procesing is required for a Thumb entry symbol. The
1804 bottom bit of its address must be set. */
1805 val = (h->u.def.value
1806 + bfd_get_section_vma (link_info.output_bfd,
1807 h->u.def.section->output_section)
1808 + h->u.def.section->output_offset);
1812 /* Now convert this value into a string and store it in entry_symbol
1813 where the lang_finish() function will pick it up. */
1817 sprintf_vma (buffer + 2, val);
1819 if (entry_symbol.name != NULL && entry_from_cmdline)
1820 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1821 thumb_entry_symbol, entry_symbol.name);
1822 entry_symbol.name = buffer;
1825 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1827 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1832 if (link_info.shared
1833 #if !defined(TARGET_IS_shpe)
1834 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1838 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1839 if (pe_implib_filename)
1840 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1842 #if defined(TARGET_IS_shpe)
1843 /* ARM doesn't need relocs. */
1846 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1850 if (pe_out_def_filename)
1851 pe_dll_generate_def_file (pe_out_def_filename);
1852 #endif /* DLL_SUPPORT */
1854 /* I don't know where .idata gets set as code, but it shouldn't be. */
1856 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1860 asec->flags &= ~SEC_CODE;
1861 asec->flags |= SEC_DATA;
1867 /* Place an orphan section.
1869 We use this to put sections in a reasonable place in the file, and
1870 to ensure that they are aligned as required.
1872 We handle grouped sections here as well. A section named .foo\$nn
1873 goes into the output section .foo. All grouped sections are sorted
1876 Grouped sections for the default sections are handled by the
1877 default linker script using wildcards, and are sorted by
1880 static lang_output_section_statement_type *
1881 gld_${EMULATION_NAME}_place_orphan (asection *s,
1882 const char *secname,
1885 const char *orig_secname = secname;
1886 char *dollar = NULL;
1887 lang_output_section_statement_type *os;
1888 lang_statement_list_type add_child;
1889 lang_output_section_statement_type *match_by_name = NULL;
1890 lang_statement_union_type **pl;
1892 /* Look through the script to see where to place this section. */
1893 if (!link_info.relocatable
1894 && (dollar = strchr (secname, '\$')) != NULL)
1896 size_t len = dollar - secname;
1897 char *newname = xmalloc (len + 1);
1898 memcpy (newname, secname, len);
1899 newname[len] = '\0';
1903 lang_list_init (&add_child);
1906 if (constraint == 0)
1907 for (os = lang_output_section_find (secname);
1909 os = next_matching_output_section_statement (os, 0))
1911 /* If we don't match an existing output section, tell
1912 lang_insert_orphan to create a new output section. */
1913 constraint = SPECIAL;
1915 if (os->bfd_section != NULL
1916 && (os->bfd_section->flags == 0
1917 || ((s->flags ^ os->bfd_section->flags)
1918 & (SEC_LOAD | SEC_ALLOC)) == 0))
1920 /* We already have an output section statement with this
1921 name, and its bfd section has compatible flags.
1922 If the section already exists but does not have any flags set,
1923 then it has been created by the linker, probably as a result of
1924 a --section-start command line switch. */
1925 lang_add_section (&add_child, s, NULL, os);
1929 /* Save unused output sections in case we can match them
1930 against orphans later. */
1931 if (os->bfd_section == NULL)
1935 /* If we didn't match an active output section, see if we matched an
1936 unused one and use that. */
1937 if (os == NULL && match_by_name)
1939 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
1940 return match_by_name;
1945 static struct orphan_save hold[] =
1948 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1951 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
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
1971 static int orphan_init_done = 0;
1972 struct orphan_save *place;
1973 lang_output_section_statement_type *after;
1974 etree_type *address;
1976 if (!orphan_init_done)
1978 struct orphan_save *ho;
1979 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1980 if (ho->name != NULL)
1982 ho->os = lang_output_section_find (ho->name);
1983 if (ho->os != NULL && ho->os->flags == 0)
1984 ho->os->flags = ho->flags;
1986 orphan_init_done = 1;
1989 /* Try to put the new output section in a reasonable place based
1990 on the section name and section flags. */
1993 if ((s->flags & SEC_ALLOC) == 0)
1995 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1996 place = &hold[orphan_bss];
1997 else if ((s->flags & SEC_READONLY) == 0)
1998 place = &hold[orphan_data];
1999 else if ((s->flags & SEC_CODE) == 0)
2001 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2002 : &hold[orphan_rodata]);
2005 place = &hold[orphan_text];
2010 if (place->os == NULL)
2011 place->os = lang_output_section_find (place->name);
2014 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2016 /* *ABS* is always the first output section statement. */
2017 after = (&lang_output_section_statement.head
2018 ->output_section_statement);
2021 /* All sections in an executable must be aligned to a page boundary.
2022 In a relocatable link, just preserve the incoming alignment; the
2023 address is discarded by lang_insert_orphan in that case, anyway. */
2024 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2025 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2027 if (link_info.relocatable)
2029 os->section_alignment = s->alignment_power;
2030 os->bfd_section->alignment_power = s->alignment_power;
2034 /* If the section name has a '\$', sort it with the other '\$'
2036 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2038 lang_input_section_type *ls;
2041 if ((*pl)->header.type != lang_input_section_enum)
2044 ls = &(*pl)->input_section;
2046 lname = bfd_get_section_name (ls->section->owner, ls->section);
2047 if (strchr (lname, '\$') != NULL
2048 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2052 if (add_child.head != NULL)
2054 *add_child.tail = *pl;
2055 *pl = add_child.head;
2062 gld_${EMULATION_NAME}_open_dynamic_archive
2063 (const char *arch ATTRIBUTE_UNUSED,
2064 search_dirs_type *search,
2065 lang_input_statement_type *entry)
2069 const char * format;
2070 bfd_boolean use_prefix;
2074 /* Preferred explicit import library for dll's. */
2075 { "lib%s.dll.a", FALSE },
2076 /* Alternate explicit import library for dll's. */
2077 { "%s.dll.a", FALSE },
2078 /* "libfoo.a" could be either an import lib or a static lib.
2079 For backwards compatibility, libfoo.a needs to precede
2080 libfoo.dll and foo.dll in the search. */
2081 { "lib%s.a", FALSE },
2082 /* The 'native' spelling of an import lib name is "foo.lib". */
2083 { "%s.lib", FALSE },
2085 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2086 { "%s%s.dll", TRUE },
2088 /* Try "libfoo.dll" (default preferred dll name). */
2089 { "lib%s.dll", FALSE },
2090 /* Finally try 'native' dll name "foo.dll". */
2091 { "%s.dll", FALSE },
2092 /* Note: If adding more formats to this table, make sure to check to
2093 see if their length is longer than libname_fmt[0].format, and if
2094 so, update the call to xmalloc() below. */
2097 static unsigned int format_max_len = 0;
2098 const char * filename;
2104 if (! entry->flags.maybe_archive)
2107 filename = entry->filename;
2109 if (format_max_len == 0)
2110 /* We need to allow space in the memory that we are going to allocate
2111 for the characters in the format string. Since the format array is
2112 static we only need to calculate this information once. In theory
2113 this value could also be computed statically, but this introduces
2114 the possibility for a discrepancy and hence a possible memory
2115 corruption. The lengths we compute here will be too long because
2116 they will include any formating characters (%s) in the strings, but
2117 this will not matter. */
2118 for (i = 0; libname_fmt[i].format; i++)
2119 if (format_max_len < strlen (libname_fmt[i].format))
2120 format_max_len = strlen (libname_fmt[i].format);
2122 full_string = xmalloc (strlen (search->name)
2126 + (pe_dll_search_prefix
2127 ? strlen (pe_dll_search_prefix) : 0)
2129 /* Allow for the terminating NUL and for the path
2130 separator character that is inserted between
2131 search->name and the start of the format string. */
2134 sprintf (full_string, "%s/", search->name);
2135 base_string = full_string + strlen (full_string);
2137 for (i = 0; libname_fmt[i].format; i++)
2140 if (libname_fmt[i].use_prefix)
2142 if (!pe_dll_search_prefix)
2144 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2148 sprintf (base_string, libname_fmt[i].format, filename);
2150 if (ldfile_try_open_bfd (full_string, entry))
2154 if (!libname_fmt[i].format)
2160 entry->filename = full_string;
2166 gld_${EMULATION_NAME}_find_potential_libraries
2167 (char *name, lang_input_statement_type *entry)
2169 return ldfile_open_file_search (name, entry, "", ".lib");
2173 gld_${EMULATION_NAME}_get_script (int *isfile)
2175 # Scripts compiled in.
2176 # sed commands to quote an ld script as a C string.
2177 sc="-f stringify.sed"
2183 if (link_info.relocatable && config.build_constructors)
2186 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2187 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2188 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2189 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2190 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2191 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2192 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2193 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2194 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2195 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2197 echo ' ; else return' >> e${EMULATION_NAME}.c
2198 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2199 echo '; }' >> e${EMULATION_NAME}.c
2204 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2206 gld_${EMULATION_NAME}_before_parse,
2209 gld_${EMULATION_NAME}_after_parse,
2210 gld_${EMULATION_NAME}_after_open,
2211 after_allocation_default,
2212 set_output_arch_default,
2213 ldemul_default_target,
2214 gld_${EMULATION_NAME}_before_allocation,
2215 gld_${EMULATION_NAME}_get_script,
2216 "${EMULATION_NAME}",
2218 gld_${EMULATION_NAME}_finish,
2219 NULL, /* Create output section statements. */
2220 gld_${EMULATION_NAME}_open_dynamic_archive,
2221 gld_${EMULATION_NAME}_place_orphan,
2222 gld_${EMULATION_NAME}_set_symbols,
2223 NULL, /* parse_args */
2224 gld${EMULATION_NAME}_add_options,
2225 gld${EMULATION_NAME}_handle_option,
2226 gld_${EMULATION_NAME}_unrecognized_file,
2227 gld_${EMULATION_NAME}_list_options,
2228 gld_${EMULATION_NAME}_recognized_file,
2229 gld_${EMULATION_NAME}_find_potential_libraries,
2230 NULL /* new_vers_pattern. */