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${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright (C) 1995-2014 Free Software Foundation, Inc.
13 This file is part of the GNU Binutils.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 3 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
32 /* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
36 the correct entry point by default. */
38 #define TARGET_IS_${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 = ${SUBSYSTEM};
128 static flagword real_flags = 0;
129 static int support_old_code = 0;
130 static char * thumb_entry_symbol = NULL;
131 static lang_assignment_statement_type *image_base_statement = 0;
132 static unsigned short pe_dll_characteristics = 0;
133 static bfd_boolean insert_timestamp = FALSE;
136 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
137 static char *pe_out_def_filename = NULL;
138 static char *pe_implib_filename = NULL;
139 static int pe_enable_auto_image_base = 0;
140 static unsigned long pe_auto_image_base = 0x61500000;
141 static char *pe_dll_search_prefix = NULL;
144 extern const char *output_filename;
146 static int is_underscoring (void)
149 if (pe_leading_underscore != -1)
150 return pe_leading_underscore;
151 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
152 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
156 pe_leading_underscore = (u != 0 ? 1 : 0);
157 return pe_leading_underscore;
161 gld_${EMULATION_NAME}_before_parse (void)
164 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
165 output_filename = "${EXECUTABLE_NAME:-a.exe}";
167 input_flags.dynamic = TRUE;
168 config.has_shared = 1;
171 # Cygwin no longer wants these noisy warnings. Other PE
172 # targets might like to consider adding themselves here.
173 # See also the mail thread starting here for the reason why
174 # merge_rdata defaults to 0 for cygwin:
175 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
178 default_auto_import=1
179 default_merge_rdata=0
181 i[3-7]86-*-mingw* | x86_64-*-mingw*)
182 default_auto_import=1
183 default_merge_rdata=0
186 default_auto_import=-1
187 default_merge_rdata=1
192 link_info.pei386_auto_import = ${default_auto_import};
193 /* Use by default version. */
194 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
198 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
199 version 2 is used and auto-import is enabled. */
200 #define MERGE_RDATA_V2 ${default_merge_rdata}
202 /* PE format extra command line options. */
204 /* Used for setting flags in the PE header. */
205 #define OPTION_BASE_FILE (300 + 1)
206 #define OPTION_DLL (OPTION_BASE_FILE + 1)
207 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
208 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
209 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
210 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
211 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
212 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
213 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
214 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
215 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
216 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
217 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
218 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
219 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
220 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
221 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
222 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
223 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
224 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
225 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
226 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
227 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
228 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
229 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
230 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
231 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
232 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
233 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
234 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
235 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
236 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
237 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
238 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
239 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
240 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
241 (OPTION_EXCLUDE_LIBS + 1)
242 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
243 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
244 #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
245 #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
246 (OPTION_LARGE_ADDRESS_AWARE + 1)
247 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
248 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
249 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
250 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
251 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
252 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
253 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
254 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
255 #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
256 #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
257 #define OPTION_ENABLE_LONG_SECTION_NAMES \
258 (OPTION_LEADING_UNDERSCORE + 1)
259 #define OPTION_DISABLE_LONG_SECTION_NAMES \
260 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
261 /* DLLCharacteristics flags. */
262 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
263 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
264 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
265 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
266 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
267 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
268 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
269 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
271 #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1)
274 gld${EMULATION_NAME}_add_options
275 (int ns ATTRIBUTE_UNUSED,
276 char **shortopts ATTRIBUTE_UNUSED,
278 struct option **longopts,
279 int nrl ATTRIBUTE_UNUSED,
280 struct option **really_longopts ATTRIBUTE_UNUSED)
282 static const struct option xtra_long[] =
285 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
286 {"dll", no_argument, NULL, OPTION_DLL},
287 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
288 {"heap", required_argument, NULL, OPTION_HEAP},
289 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
290 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
291 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
292 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
293 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
294 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
295 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
296 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
297 {"stack", required_argument, NULL, OPTION_STACK},
298 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
299 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
300 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
301 {"use-nul-prefixed-import-tables", no_argument, NULL,
302 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
303 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
304 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
305 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
307 /* getopt allows abbreviations, so we do this to stop it
308 from treating -o as an abbreviation for this option. */
309 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
310 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
311 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
312 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
313 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
314 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
315 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
316 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
317 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
318 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
319 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
320 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
321 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
322 /* getopt() allows abbreviations, so we do this to stop it from
323 treating -c as an abbreviation for these --compat-implib. */
324 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
325 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
326 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
327 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
328 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
329 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
330 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
331 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
332 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
333 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
334 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
335 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
336 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
338 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
339 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
340 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
341 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
342 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
343 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
344 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
345 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
346 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
347 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
348 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
349 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
350 {NULL, no_argument, NULL, 0}
354 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
355 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
358 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
359 parameters which may be input from the command line. */
368 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
369 C visible symbols can be prefixed by underscore dependent to target's
371 bfd_boolean is_c_symbol;
374 /* Get symbol name dependent to kind and C visible state of
376 #define GET_INIT_SYMBOL_NAME(IDX) \
377 (init[(IDX)].symbol \
378 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
380 /* Decorates the C visible symbol by underscore, if target requires. */
382 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
384 /* Get size of constant string for a possible underscore prefixed
386 #define U_SIZE(CSTR) \
387 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
389 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
391 static definfo init[] =
393 /* imagebase must be first */
394 #define IMAGEBASEOFF 0
395 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
397 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
398 #define MSIMAGEBASEOFF 2
399 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
400 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
401 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
402 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
403 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
404 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
405 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
406 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
407 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
409 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
411 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
412 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
413 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
414 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
415 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
416 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
417 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
418 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
419 { NULL, 0, 0, NULL, 0 , FALSE}
424 gld_${EMULATION_NAME}_list_options (FILE *file)
426 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
427 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
428 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
429 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
430 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
431 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
432 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
433 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
434 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
435 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
436 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
437 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
438 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
439 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
440 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
441 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
442 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
443 fprintf (file, _(" --insert-timestamp Use a real timestamp rather than zero.\n"));
444 fprintf (file, _(" This makes binaries non-deterministic\n"));
446 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
447 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
448 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
449 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
450 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
451 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
452 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
453 fprintf (file, _(" Exclude objects, archive members from auto\n"));
454 fprintf (file, _(" export, place into import library instead.\n"));
455 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
456 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
457 fprintf (file, _(" --out-implib <file> Generate import library\n"));
458 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
459 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
460 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
461 create __imp_<SYMBOL> as well.\n"));
462 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
463 (optionally starting with address) unless\n\
464 specifically set with --image-base\n"));
465 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
466 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
467 an importlib, use <string><basename>.dll\n\
468 in preference to lib<basename>.dll \n"));
469 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
470 __imp_sym for DATA references\n"));
471 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
472 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
473 adding pseudo-relocations resolved at\n\
475 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
476 auto-imported DATA.\n"));
477 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
478 or linking to DLLs (esp. auto-import)\n"));
480 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
481 greater than 2 gigabytes\n"));
482 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
483 addresses greater than 2 gigabytes\n"));
484 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
485 executable image files\n"));
486 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
487 in object files\n"));
488 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
489 address space layout randomization (ASLR)\n"));
490 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
491 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
492 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
493 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
494 be called in this image\n"));
495 fprintf (file, _(" --no-bind Do not bind this image\n"));
496 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
497 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
502 set_pe_name (char *name, long val)
507 /* Find the name and set it. */
508 for (i = 0; init[i].ptr; i++)
510 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
514 if (strcmp (name,"__image_base__") == 0)
515 set_pe_name (U ("__ImageBase"), val);
523 set_entry_point (void)
526 const char *initial_symbol_char;
536 { 1, "NtProcessStartup" },
537 { 2, "WinMainCRTStartup" },
538 { 3, "mainCRTStartup" },
539 { 7, "__PosixProcessStartup"},
540 { 9, "WinMainCRTStartup" },
541 {14, "mainCRTStartup" },
545 /* Entry point name for arbitrary subsystem numbers. */
546 static const char default_entry[] = "mainCRTStartup";
548 if (link_info.shared || dll)
550 #if defined (TARGET_IS_i386pe)
551 entry = "DllMainCRTStartup@12";
553 entry = "DllMainCRTStartup";
559 for (i = 0; v[i].entry; i++)
560 if (v[i].value == pe_subsystem)
563 /* If no match, use the default. */
564 if (v[i].entry != NULL)
567 entry = default_entry;
570 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
572 if (*initial_symbol_char != '\0')
576 /* lang_default_entry expects its argument to be permanently
577 allocated, so we don't free this string. */
578 alc_entry = xmalloc (strlen (initial_symbol_char)
581 strcpy (alc_entry, initial_symbol_char);
582 strcat (alc_entry, entry);
586 lang_default_entry (entry);
590 set_pe_subsystem (void)
596 unsigned long temp_subsystem;
613 /* Check for the presence of a version number. */
614 sver = strchr (optarg, ':');
616 len = strlen (optarg);
620 set_pe_name ("__major_subsystem_version__",
621 strtoul (sver + 1, &end, 0));
623 set_pe_name ("__minor_subsystem_version__",
624 strtoul (end + 1, &end, 0));
626 einfo (_("%P: warning: bad version number in -subsystem option\n"));
629 /* Check for numeric subsystem. */
630 temp_subsystem = strtoul (optarg, & end, 0);
631 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
633 /* Search list for a numeric match to use its entry point. */
634 for (i = 0; v[i].name; i++)
635 if (v[i].value == (int) temp_subsystem)
638 /* Use this subsystem. */
639 pe_subsystem = (int) temp_subsystem;
643 /* Search for subsystem by name. */
644 for (i = 0; v[i].name; i++)
645 if (strncmp (optarg, v[i].name, len) == 0
646 && v[i].name[len] == '\0')
649 if (v[i].name == NULL)
651 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
655 pe_subsystem = v[i].value;
658 set_pe_name ("__subsystem__", pe_subsystem);
665 set_pe_value (char *name)
669 set_pe_name (name, strtoul (optarg, &end, 0));
672 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
679 set_pe_stack_heap (char *resname, char *comname)
681 set_pe_value (resname);
686 set_pe_value (comname);
689 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
694 gld${EMULATION_NAME}_handle_option (int optc)
701 case OPTION_BASE_FILE:
702 link_info.base_file = fopen (optarg, FOPEN_WB);
703 if (link_info.base_file == NULL)
704 einfo (_("%F%P: cannot open base file %s\n"), optarg);
709 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
712 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
714 case OPTION_SUBSYSTEM:
717 case OPTION_MAJOR_OS_VERSION:
718 set_pe_value ("__major_os_version__");
720 case OPTION_MINOR_OS_VERSION:
721 set_pe_value ("__minor_os_version__");
723 case OPTION_MAJOR_SUBSYSTEM_VERSION:
724 set_pe_value ("__major_subsystem_version__");
726 case OPTION_MINOR_SUBSYSTEM_VERSION:
727 set_pe_value ("__minor_subsystem_version__");
729 case OPTION_MAJOR_IMAGE_VERSION:
730 set_pe_value ("__major_image_version__");
732 case OPTION_MINOR_IMAGE_VERSION:
733 set_pe_value ("__minor_image_version__");
735 case OPTION_FILE_ALIGNMENT:
736 set_pe_value ("__file_alignment__");
738 case OPTION_SECTION_ALIGNMENT:
739 set_pe_value ("__section_alignment__");
742 set_pe_name ("__dll__", 1);
744 case OPTION_IMAGE_BASE:
745 set_pe_value ("__image_base__");
747 case OPTION_SUPPORT_OLD_CODE:
748 support_old_code = 1;
750 case OPTION_THUMB_ENTRY:
751 thumb_entry_symbol = optarg;
753 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
754 pe_use_nul_prefixed_import_tables = TRUE;
756 case OPTION_NO_LEADING_UNDERSCORE:
757 pe_leading_underscore = 0;
759 case OPTION_LEADING_UNDERSCORE:
760 pe_leading_underscore = 1;
762 case OPTION_INSERT_TIMESTAMP:
763 insert_timestamp = TRUE;
767 pe_out_def_filename = xstrdup (optarg);
769 case OPTION_EXPORT_ALL:
770 pe_dll_export_everything = 1;
772 case OPTION_EXCLUDE_SYMBOLS:
773 pe_dll_add_excludes (optarg, EXCLUDESYMS);
775 case OPTION_EXCLUDE_ALL_SYMBOLS:
776 pe_dll_exclude_all_symbols = 1;
778 case OPTION_EXCLUDE_LIBS:
779 pe_dll_add_excludes (optarg, EXCLUDELIBS);
781 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
782 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
784 case OPTION_KILL_ATS:
787 case OPTION_STDCALL_ALIASES:
788 pe_dll_stdcall_aliases = 1;
790 case OPTION_ENABLE_STDCALL_FIXUP:
791 pe_enable_stdcall_fixup = 1;
793 case OPTION_DISABLE_STDCALL_FIXUP:
794 pe_enable_stdcall_fixup = 0;
796 case OPTION_IMPLIB_FILENAME:
797 pe_implib_filename = xstrdup (optarg);
799 case OPTION_WARN_DUPLICATE_EXPORTS:
800 pe_dll_warn_dup_exports = 1;
802 case OPTION_IMP_COMPAT:
803 pe_dll_compat_implib = 1;
805 case OPTION_ENABLE_AUTO_IMAGE_BASE:
806 pe_enable_auto_image_base = 1;
807 if (optarg && *optarg)
810 pe_auto_image_base = strtoul(optarg, &end, 0);
811 /* XXX should check that we actually parsed something */
814 case OPTION_DISABLE_AUTO_IMAGE_BASE:
815 pe_enable_auto_image_base = 0;
817 case OPTION_DLL_SEARCH_PREFIX:
818 pe_dll_search_prefix = xstrdup (optarg);
820 case OPTION_NO_DEFAULT_EXCLUDES:
821 pe_dll_do_default_excludes = 0;
823 case OPTION_DLL_ENABLE_AUTO_IMPORT:
824 link_info.pei386_auto_import = 1;
826 case OPTION_DLL_DISABLE_AUTO_IMPORT:
827 link_info.pei386_auto_import = 0;
829 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
830 link_info.pei386_runtime_pseudo_reloc =
831 DEFAULT_PSEUDO_RELOC_VERSION;
833 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
834 link_info.pei386_runtime_pseudo_reloc = 1;
836 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
837 link_info.pei386_runtime_pseudo_reloc = 2;
839 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
840 link_info.pei386_runtime_pseudo_reloc = 0;
842 case OPTION_ENABLE_EXTRA_PE_DEBUG:
843 pe_dll_extra_pe_debug = 1;
846 case OPTION_LARGE_ADDRESS_AWARE:
847 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
849 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
850 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
852 case OPTION_ENABLE_LONG_SECTION_NAMES:
853 pe_use_coff_long_section_names = 1;
855 case OPTION_DISABLE_LONG_SECTION_NAMES:
856 pe_use_coff_long_section_names = 0;
858 /* Get DLLCharacteristics bits */
859 case OPTION_DYNAMIC_BASE:
860 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
862 case OPTION_FORCE_INTEGRITY:
863 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
865 case OPTION_NX_COMPAT:
866 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
868 case OPTION_NO_ISOLATION:
869 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
872 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
875 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
877 case OPTION_WDM_DRIVER:
878 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
880 case OPTION_TERMINAL_SERVER_AWARE:
881 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
885 /* Set DLLCharacteristics bits */
886 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
894 strhash (const char *str)
896 const unsigned char *s;
903 s = (const unsigned char *) str;
904 while ((c = *s++) != '\0')
906 hash += c + (c << 17);
910 hash += len + (len << 17);
916 /* Use the output file to create a image base for relocatable DLLs. */
919 compute_dll_image_base (const char *ofile)
921 unsigned long hash = strhash (ofile);
922 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
926 /* Assign values to the special symbols before the linker script is
930 gld_${EMULATION_NAME}_set_symbols (void)
932 /* Run through and invent symbols for all the
933 names and insert the defaults. */
938 if (!init[IMAGEBASEOFF].inited)
940 if (link_info.relocatable)
941 init[IMAGEBASEOFF].value = 0;
942 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
945 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
946 ? compute_dll_image_base (output_filename)
947 : NT_DLL_IMAGE_BASE);
949 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
953 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
954 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
957 /* Don't do any symbol assignments if this is a relocatable link. */
958 if (link_info.relocatable)
961 /* Glue the assignments into the abs section. */
962 push_stat_ptr (&abs_output_section->children);
964 for (j = 0; init[j].ptr; j++)
966 long val = init[j].value;
967 lang_assignment_statement_type *rv;
969 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
970 exp_intop (val), FALSE));
971 if (init[j].size == sizeof (short))
972 *(short *) init[j].ptr = val;
973 else if (init[j].size == sizeof (int))
974 *(int *) init[j].ptr = val;
975 else if (init[j].size == sizeof (long))
976 *(long *) init[j].ptr = val;
977 /* This might be a long long or other special type. */
978 else if (init[j].size == sizeof (bfd_vma))
979 *(bfd_vma *) init[j].ptr = val;
981 if (j == IMAGEBASEOFF)
982 image_base_statement = rv;
984 /* Restore the pointer. */
987 if (pe.FileAlignment > pe.SectionAlignment)
989 einfo (_("%P: warning, file alignment > section alignment.\n"));
993 /* This is called after the linker script and the command line options
997 gld_${EMULATION_NAME}_after_parse (void)
999 /* PR ld/6744: Warn the user if they have used an ELF-only
1000 option hoping it will work on PE. */
1001 if (link_info.export_dynamic)
1002 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1003 "targets, did you mean --export-all-symbols?\n"));
1007 after_parse_default ();
1010 /* pe-dll.c directly accesses pe_data_import_dll,
1011 so it must be defined outside of #ifdef DLL_SUPPORT.
1012 Note - this variable is deliberately not initialised.
1013 This allows it to be treated as a common varaible, and only
1014 exist in one incarnation in a multiple target enabled linker. */
1015 char * pe_data_import_dll;
1018 static struct bfd_link_hash_entry *pe_undef_found_sym;
1021 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1025 const char *hs = h->root.string;
1027 sl = strlen (string);
1028 if (h->type == bfd_link_hash_defined
1029 && ((*hs == '@' && *string == '_'
1030 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1031 || strncmp (hs, string, sl) == 0)
1032 && h->root.string[sl] == '@')
1034 pe_undef_found_sym = h;
1041 pe_fixup_stdcalls (void)
1043 static int gave_warning_message = 0;
1044 struct bfd_link_hash_entry *undef, *sym;
1046 if (pe_dll_extra_pe_debug)
1047 printf ("%s\n", __FUNCTION__);
1049 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1050 if (undef->type == bfd_link_hash_undefined)
1052 char* at = strchr (undef->root.string, '@');
1053 int lead_at = (*undef->root.string == '@');
1055 at = strchr (undef->root.string + 1, '@');
1059 /* The symbol is a stdcall symbol, so let's look for a
1060 cdecl symbol with the same name and resolve to that. */
1061 char *cname = xstrdup (undef->root.string);
1065 at = strchr (cname, '@');
1068 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1070 if (sym && sym->type == bfd_link_hash_defined)
1072 undef->type = bfd_link_hash_defined;
1073 undef->u.def.value = sym->u.def.value;
1074 undef->u.def.section = sym->u.def.section;
1076 if (pe_enable_stdcall_fixup == -1)
1078 einfo (_("Warning: resolving %s by linking to %s\n"),
1079 undef->root.string, cname);
1080 if (! gave_warning_message)
1082 gave_warning_message = 1;
1083 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1084 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1091 /* The symbol is a cdecl symbol, so we look for stdcall
1092 symbols - which means scanning the whole symbol table. */
1093 pe_undef_found_sym = 0;
1094 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1095 (char *) undef->root.string);
1096 sym = pe_undef_found_sym;
1099 undef->type = bfd_link_hash_defined;
1100 undef->u.def.value = sym->u.def.value;
1101 undef->u.def.section = sym->u.def.section;
1103 if (pe_enable_stdcall_fixup == -1)
1105 einfo (_("Warning: resolving %s by linking to %s\n"),
1106 undef->root.string, sym->root.string);
1107 if (! gave_warning_message)
1109 gave_warning_message = 1;
1110 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1111 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1120 make_import_fixup (arelent *rel, asection *s)
1122 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1125 if (pe_dll_extra_pe_debug)
1126 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1127 (unsigned long) rel->address, (long) rel->addend);
1129 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1130 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1131 s->owner, s, rel->address);
1133 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1139 pe_find_data_imports (void)
1141 struct bfd_link_hash_entry *undef, *sym;
1143 if (link_info.pei386_auto_import == 0)
1146 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1148 if (undef->type == bfd_link_hash_undefined)
1150 /* C++ symbols are *long*. */
1153 if (pe_dll_extra_pe_debug)
1154 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1156 sprintf (buf, "__imp_%s", undef->root.string);
1158 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1160 if (sym && sym->type == bfd_link_hash_defined)
1162 bfd *b = sym->u.def.section->owner;
1166 if (link_info.pei386_auto_import == -1)
1168 static bfd_boolean warned = FALSE;
1170 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1171 undef->root.string, buf);
1173 /* PR linker/4844. */
1177 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1178 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1182 if (!bfd_generic_link_read_symbols (b))
1184 einfo (_("%B%F: could not read symbols: %E\n"), b);
1188 symbols = bfd_get_outsymbols (b);
1189 nsyms = bfd_get_symcount (b);
1191 for (i = 0; i < nsyms; i++)
1193 if (! CONST_STRNEQ (symbols[i]->name,
1197 if (pe_dll_extra_pe_debug)
1198 printf ("->%s\n", symbols[i]->name);
1200 pe_data_import_dll = (char *) (symbols[i]->name
1201 + U_SIZE ("_head_") - 1);
1205 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1208 /* Let's differentiate it somehow from defined. */
1209 undef->type = bfd_link_hash_defweak;
1210 /* We replace original name with __imp_ prefixed, this
1211 1) may trash memory 2) leads to duplicate symbol generation.
1212 Still, IMHO it's better than having name poluted. */
1213 undef->root.string = sym->root.string;
1214 undef->u.def.value = sym->u.def.value;
1215 undef->u.def.section = sym->u.def.section;
1222 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1224 printf ("+%s\n", h->string);
1228 #endif /* DLL_SUPPORT */
1231 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1233 int *found = (int *) obj;
1234 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1239 gld_${EMULATION_NAME}_after_open (void)
1241 after_open_default ();
1244 if (pe_dll_extra_pe_debug)
1247 struct bfd_link_hash_entry *sym;
1249 printf ("%s()\n", __FUNCTION__);
1251 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1252 printf ("-%s\n", sym->root.string);
1253 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1255 for (a = link_info.input_bfds; a; a = a->link_next)
1256 printf ("*%s\n",a->filename);
1260 /* Pass the wacky PE command line options into the output bfd.
1261 FIXME: This should be done via a function, rather than by
1262 including an internal BFD header. */
1264 if (coff_data (link_info.output_bfd) == NULL
1265 || coff_data (link_info.output_bfd)->pe == 0)
1266 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1267 link_info.output_bfd);
1269 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1270 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1271 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1272 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
1274 /* At this point we must decide whether to use long section names
1275 in the output or not. If the user hasn't explicitly specified
1276 on the command line, we leave it to the default for the format
1277 (object files yes, image files no), except if there is debug
1278 information present; GDB relies on the long section names to
1279 find it, so enable it in that case. */
1280 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1282 /* Iterate over all sections of all input BFDs, checking
1283 for any that begin 'debug_' and are long names. */
1284 LANG_FOR_EACH_INPUT_STATEMENT (is)
1286 int found_debug = 0;
1287 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1290 pe_use_coff_long_section_names = 1;
1296 pe_output_file_set_long_section_names (link_info.output_bfd);
1299 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1300 pe_fixup_stdcalls ();
1302 pe_process_import_defs (link_info.output_bfd, &link_info);
1304 pe_find_data_imports ();
1306 /* As possibly new symbols are added by imports, we rerun
1307 stdcall/fastcall fixup here. */
1308 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1309 pe_fixup_stdcalls ();
1311 #if defined (TARGET_IS_i386pe) \
1312 || defined (TARGET_IS_armpe) \
1313 || defined (TARGET_IS_arm_epoc_pe) \
1314 || defined (TARGET_IS_arm_wince_pe)
1315 if (!link_info.relocatable)
1316 pe_dll_build_sections (link_info.output_bfd, &link_info);
1318 if (link_info.shared)
1319 pe_dll_build_sections (link_info.output_bfd, &link_info);
1321 pe_exe_build_sections (link_info.output_bfd, &link_info);
1323 #endif /* DLL_SUPPORT */
1325 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1326 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1328 /* The arm backend needs special fields in the output hash structure.
1329 These will only be created if the output format is an arm format,
1330 hence we do not support linking and changing output formats at the
1331 same time. Use a link followed by objcopy to change output formats. */
1332 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1336 /* Find a BFD that can hold the interworking stubs. */
1337 LANG_FOR_EACH_INPUT_STATEMENT (is)
1339 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1346 /* This next chunk of code tries to detect the case where you have
1347 two import libraries for the same DLL (specifically,
1348 symbolically linking libm.a and libc.a in cygwin to
1349 libcygwin.a). In those cases, it's possible for function
1350 thunks from the second implib to be used but without the
1351 head/tail objects, causing an improper import table. We detect
1352 those cases and rename the "other" import libraries to match
1353 the one the head/tail come from, so that the linker will sort
1354 things nicely and produce a valid import table. */
1356 LANG_FOR_EACH_INPUT_STATEMENT (is)
1358 if (is->the_bfd->my_archive)
1360 int idata2 = 0, reloc_count=0, is_imp = 0;
1363 /* See if this is an import library thunk. */
1364 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1366 if (strcmp (sec->name, ".idata\$2") == 0)
1368 if (CONST_STRNEQ (sec->name, ".idata\$"))
1370 reloc_count += sec->reloc_count;
1373 if (is_imp && !idata2 && reloc_count)
1375 /* It is, look for the reference to head and see if it's
1376 from our own library. */
1377 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1385 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1389 if (!bfd_generic_link_read_symbols (is->the_bfd))
1391 einfo (_("%B%F: could not read symbols: %E\n"),
1395 symbols = bfd_get_outsymbols (is->the_bfd);
1397 relocs = xmalloc ((size_t) relsize);
1398 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1403 einfo ("%X%P: unable to process relocs: %E\n");
1407 for (i = 0; i < nrelocs; i++)
1409 struct bfd_symbol *s;
1410 struct bfd_link_hash_entry * blhe;
1411 char *other_bfd_filename;
1414 s = (relocs[i]->sym_ptr_ptr)[0];
1416 if (s->flags & BSF_LOCAL)
1419 /* Thunk section with reloc to another bfd. */
1420 blhe = bfd_link_hash_lookup (link_info.hash,
1422 FALSE, FALSE, TRUE);
1425 || blhe->type != bfd_link_hash_defined)
1429 = blhe->u.def.section->owner->my_archive
1430 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1431 : bfd_get_filename (blhe->u.def.section->owner);
1433 if (filename_cmp (bfd_get_filename
1434 (is->the_bfd->my_archive),
1435 other_bfd_filename) == 0)
1438 /* Rename this implib to match the other one. */
1439 n = xmalloc (strlen (other_bfd_filename) + 1);
1440 strcpy (n, other_bfd_filename);
1441 is->the_bfd->my_archive->filename = n;
1445 /* Note - we do not free the symbols,
1446 they are now cached in the BFD. */
1456 lang_input_statement_type *is2;
1457 lang_input_statement_type *is3;
1459 /* Careful - this is a shell script. Watch those dollar signs! */
1460 /* Microsoft import libraries have every member named the same,
1461 and not in the right order for us to link them correctly. We
1462 must detect these and rename the members so that they'll link
1463 correctly. There are three types of objects: the head, the
1464 thunks, and the sentinel(s). The head is easy; it's the one
1465 with idata2. We assume that the sentinels won't have relocs,
1466 and the thunks will. It's easier than checking the symbol
1467 table for external references. */
1468 LANG_FOR_EACH_INPUT_STATEMENT (is)
1470 if (is->the_bfd->my_archive)
1473 bfd *arch = is->the_bfd->my_archive;
1475 if (cur_arch != arch)
1481 is3 && is3->the_bfd->my_archive == arch;
1482 is3 = (lang_input_statement_type *) is3->next)
1484 /* A MS dynamic import library can also contain static
1485 members, so look for the first element with a .dll
1486 extension, and use that for the remainder of the
1488 pnt = strrchr (is3->the_bfd->filename, '.');
1489 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1497 /* OK, found one. Now look to see if the remaining
1498 (dynamic import) members use the same name. */
1500 is2 && is2->the_bfd->my_archive == arch;
1501 is2 = (lang_input_statement_type *) is2->next)
1503 /* Skip static members, ie anything with a .obj
1505 pnt = strrchr (is2->the_bfd->filename, '.');
1506 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1509 if (filename_cmp (is3->the_bfd->filename,
1510 is2->the_bfd->filename))
1519 /* This fragment might have come from an .obj file in a Microsoft
1520 import, and not an actual import record. If this is the case,
1521 then leave the filename alone. */
1522 pnt = strrchr (is->the_bfd->filename, '.');
1524 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1526 int idata2 = 0, reloc_count=0;
1528 char *new_name, seq;
1530 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1532 if (strcmp (sec->name, ".idata\$2") == 0)
1534 reloc_count += sec->reloc_count;
1537 if (idata2) /* .idata2 is the TOC */
1539 else if (reloc_count > 0) /* thunks */
1544 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1545 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1546 is->the_bfd->filename = new_name;
1548 new_name = xmalloc (strlen (is->filename) + 3);
1549 sprintf (new_name, "%s.%c", is->filename, seq);
1550 is->filename = new_name;
1557 /* The following chunk of code tries to identify jump stubs in
1558 import libraries which are dead code and eliminates them
1559 from the final link. For each exported symbol <sym>, there
1560 is a object file in the import library with a .text section
1561 and several .idata\$* sections. The .text section contains the
1562 symbol definition for <sym> which is a jump stub of the form
1563 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1564 for __imp_<sym> which is the address of the slot for <sym> in
1565 the import address table. When a symbol is imported explicitly
1566 using __declspec(dllimport) declaration, the compiler generates
1567 a reference to __imp_<sym> which directly resolves to the
1568 symbol in .idata\$5, in which case the jump stub code is not
1569 needed. The following code tries to identify jump stub sections
1570 in import libraries which are not referred to by anyone and
1571 marks them for exclusion from the final link. */
1572 LANG_FOR_EACH_INPUT_STATEMENT (is)
1574 if (is->the_bfd->my_archive)
1577 asection *sec, *stub_sec = NULL;
1579 /* See if this is an import library thunk. */
1580 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1582 if (strncmp (sec->name, ".idata\$", 7) == 0)
1584 /* The section containing the jmp stub has code
1586 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1590 if (is_imp && stub_sec)
1593 long nsyms, src_count;
1594 struct bfd_link_hash_entry * blhe;
1596 if (!bfd_generic_link_read_symbols (is->the_bfd))
1598 einfo (_("%B%F: could not read symbols: %E\n"),
1602 symbols = bfd_get_outsymbols (is->the_bfd);
1603 nsyms = bfd_get_symcount (is->the_bfd);
1605 for (src_count = 0; src_count < nsyms; src_count++)
1607 if (symbols[src_count]->section->id == stub_sec->id)
1609 /* This symbol belongs to the section containing
1611 blhe = bfd_link_hash_lookup (link_info.hash,
1612 symbols[src_count]->name,
1613 FALSE, FALSE, TRUE);
1614 /* If the symbol in the stub section has no other
1615 undefined references, exclude the stub section
1616 from the final link. */
1618 && blhe->type == bfd_link_hash_defined
1619 && blhe->u.undef.next == NULL
1620 && blhe != link_info.hash->undefs_tail)
1621 stub_sec->flags |= SEC_EXCLUDE;
1631 gld_${EMULATION_NAME}_before_allocation (void)
1633 #ifdef TARGET_IS_ppcpe
1634 /* Here we rummage through the found bfds to collect toc information. */
1636 LANG_FOR_EACH_INPUT_STATEMENT (is)
1638 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1640 /* xgettext:c-format */
1641 einfo (_("Errors encountered processing file %s\n"), is->filename);
1646 /* We have seen it all. Allocate it, and carry on. */
1647 ppc_allocate_toc_section (&link_info);
1648 #endif /* TARGET_IS_ppcpe */
1650 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1651 /* FIXME: we should be able to set the size of the interworking stub
1654 Here we rummage through the found bfds to collect glue
1655 information. FIXME: should this be based on a command line
1656 option? krk@cygnus.com. */
1658 LANG_FOR_EACH_INPUT_STATEMENT (is)
1660 if (! bfd_arm_process_before_allocation
1661 (is->the_bfd, & link_info, support_old_code))
1663 /* xgettext:c-format */
1664 einfo (_("Errors encountered processing file %s for interworking\n"),
1670 /* We have seen it all. Allocate it, and carry on. */
1671 bfd_arm_allocate_interworking_sections (& link_info);
1672 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1674 before_allocation_default ();
1678 /* This is called when an input file isn't recognized as a BFD. We
1679 check here for .DEF files and pull them in automatically. */
1682 saw_option (char *option)
1686 for (i = 0; init[i].ptr; i++)
1687 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1688 return init[i].inited;
1691 #endif /* DLL_SUPPORT */
1694 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1697 const char *ext = entry->filename + strlen (entry->filename) - 4;
1699 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1701 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1705 int i, buflen=0, len;
1708 for (i = 0; i < pe_def_file->num_exports; i++)
1710 len = strlen (pe_def_file->exports[i].internal_name);
1711 if (buflen < len + 2)
1715 buf = xmalloc (buflen);
1717 for (i = 0; i < pe_def_file->num_exports; i++)
1719 struct bfd_link_hash_entry *h;
1721 sprintf (buf, "%s%s", U (""),
1722 pe_def_file->exports[i].internal_name);
1724 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1725 if (h == (struct bfd_link_hash_entry *) NULL)
1726 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1727 if (h->type == bfd_link_hash_new)
1729 h->type = bfd_link_hash_undefined;
1730 h->u.undef.abfd = NULL;
1731 bfd_link_add_undef (link_info.hash, h);
1736 /* def_file_print (stdout, pe_def_file); */
1737 if (pe_def_file->is_dll == 1)
1738 link_info.shared = 1;
1740 if (pe_def_file->base_address != (bfd_vma)(-1))
1743 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1744 = init[IMAGEBASEOFF].value
1745 = pe_def_file->base_address;
1746 init[IMAGEBASEOFF].inited = 1;
1747 if (image_base_statement)
1748 image_base_statement->exp
1749 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1753 if (pe_def_file->stack_reserve != -1
1754 && ! saw_option ("__size_of_stack_reserve__"))
1756 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1757 if (pe_def_file->stack_commit != -1)
1758 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1760 if (pe_def_file->heap_reserve != -1
1761 && ! saw_option ("__size_of_heap_reserve__"))
1763 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1764 if (pe_def_file->heap_commit != -1)
1765 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1775 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1778 #ifdef TARGET_IS_i386pe
1779 pe_dll_id_target ("pei-i386");
1781 #ifdef TARGET_IS_shpe
1782 pe_dll_id_target ("pei-shl");
1784 #ifdef TARGET_IS_armpe
1785 pe_dll_id_target ("pei-arm-little");
1787 #ifdef TARGET_IS_arm_epoc_pe
1788 pe_dll_id_target ("epoc-pei-arm-little");
1790 #ifdef TARGET_IS_arm_wince_pe
1791 pe_dll_id_target ("pei-arm-wince-little");
1793 if (pe_bfd_is_dll (entry->the_bfd))
1794 return pe_implied_import_dll (entry->filename);
1800 gld_${EMULATION_NAME}_finish (void)
1802 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1803 struct bfd_link_hash_entry * h;
1805 if (thumb_entry_symbol != NULL)
1807 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1808 FALSE, FALSE, TRUE);
1810 if (h != (struct bfd_link_hash_entry *) NULL
1811 && (h->type == bfd_link_hash_defined
1812 || h->type == bfd_link_hash_defweak)
1813 && h->u.def.section->output_section != NULL)
1815 static char buffer[32];
1818 /* Special procesing is required for a Thumb entry symbol. The
1819 bottom bit of its address must be set. */
1820 val = (h->u.def.value
1821 + bfd_get_section_vma (link_info.output_bfd,
1822 h->u.def.section->output_section)
1823 + h->u.def.section->output_offset);
1827 /* Now convert this value into a string and store it in entry_symbol
1828 where the lang_finish() function will pick it up. */
1832 sprintf_vma (buffer + 2, val);
1834 if (entry_symbol.name != NULL && entry_from_cmdline)
1835 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1836 thumb_entry_symbol, entry_symbol.name);
1837 entry_symbol.name = buffer;
1840 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1842 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1847 if (link_info.shared
1848 #if !defined(TARGET_IS_shpe)
1849 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1853 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1854 if (pe_implib_filename)
1855 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1857 #if defined(TARGET_IS_shpe)
1858 /* ARM doesn't need relocs. */
1861 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1865 if (pe_out_def_filename)
1866 pe_dll_generate_def_file (pe_out_def_filename);
1867 #endif /* DLL_SUPPORT */
1869 /* I don't know where .idata gets set as code, but it shouldn't be. */
1871 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1875 asec->flags &= ~SEC_CODE;
1876 asec->flags |= SEC_DATA;
1882 /* Place an orphan section.
1884 We use this to put sections in a reasonable place in the file, and
1885 to ensure that they are aligned as required.
1887 We handle grouped sections here as well. A section named .foo\$nn
1888 goes into the output section .foo. All grouped sections are sorted
1891 Grouped sections for the default sections are handled by the
1892 default linker script using wildcards, and are sorted by
1895 static lang_output_section_statement_type *
1896 gld_${EMULATION_NAME}_place_orphan (asection *s,
1897 const char *secname,
1900 const char *orig_secname = secname;
1901 char *dollar = NULL;
1902 lang_output_section_statement_type *os;
1903 lang_statement_list_type add_child;
1904 lang_output_section_statement_type *match_by_name = NULL;
1905 lang_statement_union_type **pl;
1907 /* Look through the script to see where to place this section. */
1908 if (!link_info.relocatable
1909 && (dollar = strchr (secname, '\$')) != NULL)
1911 size_t len = dollar - secname;
1912 char *newname = xmalloc (len + 1);
1913 memcpy (newname, secname, len);
1914 newname[len] = '\0';
1918 lang_list_init (&add_child);
1921 if (constraint == 0)
1922 for (os = lang_output_section_find (secname);
1924 os = next_matching_output_section_statement (os, 0))
1926 /* If we don't match an existing output section, tell
1927 lang_insert_orphan to create a new output section. */
1928 constraint = SPECIAL;
1930 if (os->bfd_section != NULL
1931 && (os->bfd_section->flags == 0
1932 || ((s->flags ^ os->bfd_section->flags)
1933 & (SEC_LOAD | SEC_ALLOC)) == 0))
1935 /* We already have an output section statement with this
1936 name, and its bfd section has compatible flags.
1937 If the section already exists but does not have any flags set,
1938 then it has been created by the linker, probably as a result of
1939 a --section-start command line switch. */
1940 lang_add_section (&add_child, s, NULL, os);
1944 /* Save unused output sections in case we can match them
1945 against orphans later. */
1946 if (os->bfd_section == NULL)
1950 /* If we didn't match an active output section, see if we matched an
1951 unused one and use that. */
1952 if (os == NULL && match_by_name)
1954 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
1955 return match_by_name;
1960 static struct orphan_save hold[] =
1963 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1966 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1969 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1972 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1978 enum orphan_save_index
1986 static int orphan_init_done = 0;
1987 struct orphan_save *place;
1988 lang_output_section_statement_type *after;
1989 etree_type *address;
1991 if (!orphan_init_done)
1993 struct orphan_save *ho;
1994 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1995 if (ho->name != NULL)
1997 ho->os = lang_output_section_find (ho->name);
1998 if (ho->os != NULL && ho->os->flags == 0)
1999 ho->os->flags = ho->flags;
2001 orphan_init_done = 1;
2004 /* Try to put the new output section in a reasonable place based
2005 on the section name and section flags. */
2008 if ((s->flags & SEC_ALLOC) == 0)
2010 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2011 place = &hold[orphan_bss];
2012 else if ((s->flags & SEC_READONLY) == 0)
2013 place = &hold[orphan_data];
2014 else if ((s->flags & SEC_CODE) == 0)
2016 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2017 : &hold[orphan_rodata]);
2020 place = &hold[orphan_text];
2025 if (place->os == NULL)
2026 place->os = lang_output_section_find (place->name);
2029 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2031 /* *ABS* is always the first output section statement. */
2032 after = (&lang_output_section_statement.head
2033 ->output_section_statement);
2036 /* All sections in an executable must be aligned to a page boundary.
2037 In a relocatable link, just preserve the incoming alignment; the
2038 address is discarded by lang_insert_orphan in that case, anyway. */
2039 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2040 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2042 if (link_info.relocatable)
2044 os->section_alignment = s->alignment_power;
2045 os->bfd_section->alignment_power = s->alignment_power;
2049 /* If the section name has a '\$', sort it with the other '\$'
2051 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2053 lang_input_section_type *ls;
2056 if ((*pl)->header.type != lang_input_section_enum)
2059 ls = &(*pl)->input_section;
2061 lname = bfd_get_section_name (ls->section->owner, ls->section);
2062 if (strchr (lname, '\$') != NULL
2063 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2067 if (add_child.head != NULL)
2069 *add_child.tail = *pl;
2070 *pl = add_child.head;
2077 gld_${EMULATION_NAME}_open_dynamic_archive
2078 (const char *arch ATTRIBUTE_UNUSED,
2079 search_dirs_type *search,
2080 lang_input_statement_type *entry)
2084 const char * format;
2085 bfd_boolean use_prefix;
2089 /* Preferred explicit import library for dll's. */
2090 { "lib%s.dll.a", FALSE },
2091 /* Alternate explicit import library for dll's. */
2092 { "%s.dll.a", FALSE },
2093 /* "libfoo.a" could be either an import lib or a static lib.
2094 For backwards compatibility, libfoo.a needs to precede
2095 libfoo.dll and foo.dll in the search. */
2096 { "lib%s.a", FALSE },
2097 /* The 'native' spelling of an import lib name is "foo.lib". */
2098 { "%s.lib", FALSE },
2100 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2101 { "%s%s.dll", TRUE },
2103 /* Try "libfoo.dll" (default preferred dll name). */
2104 { "lib%s.dll", FALSE },
2105 /* Finally try 'native' dll name "foo.dll". */
2106 { "%s.dll", FALSE },
2107 /* Note: If adding more formats to this table, make sure to check to
2108 see if their length is longer than libname_fmt[0].format, and if
2109 so, update the call to xmalloc() below. */
2112 static unsigned int format_max_len = 0;
2113 const char * filename;
2119 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
2122 filename = entry->filename;
2124 if (format_max_len == 0)
2125 /* We need to allow space in the memory that we are going to allocate
2126 for the characters in the format string. Since the format array is
2127 static we only need to calculate this information once. In theory
2128 this value could also be computed statically, but this introduces
2129 the possibility for a discrepancy and hence a possible memory
2130 corruption. The lengths we compute here will be too long because
2131 they will include any formating characters (%s) in the strings, but
2132 this will not matter. */
2133 for (i = 0; libname_fmt[i].format; i++)
2134 if (format_max_len < strlen (libname_fmt[i].format))
2135 format_max_len = strlen (libname_fmt[i].format);
2137 full_string = xmalloc (strlen (search->name)
2141 + (pe_dll_search_prefix
2142 ? strlen (pe_dll_search_prefix) : 0)
2144 /* Allow for the terminating NUL and for the path
2145 separator character that is inserted between
2146 search->name and the start of the format string. */
2149 sprintf (full_string, "%s/", search->name);
2150 base_string = full_string + strlen (full_string);
2152 for (i = 0; libname_fmt[i].format; i++)
2155 if (libname_fmt[i].use_prefix)
2157 if (!pe_dll_search_prefix)
2159 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2163 sprintf (base_string, libname_fmt[i].format, filename);
2165 if (ldfile_try_open_bfd (full_string, entry))
2169 if (!libname_fmt[i].format)
2175 entry->filename = full_string;
2181 gld_${EMULATION_NAME}_find_potential_libraries
2182 (char *name, lang_input_statement_type *entry)
2184 return ldfile_open_file_search (name, entry, "", ".lib");
2188 gld_${EMULATION_NAME}_get_script (int *isfile)
2190 # Scripts compiled in.
2191 # sed commands to quote an ld script as a C string.
2192 sc="-f stringify.sed"
2198 if (link_info.relocatable && config.build_constructors)
2201 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2202 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2203 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2204 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2205 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2206 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2207 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2208 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2209 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2210 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2212 echo ' ; else return' >> e${EMULATION_NAME}.c
2213 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2214 echo '; }' >> e${EMULATION_NAME}.c
2219 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2221 gld_${EMULATION_NAME}_before_parse,
2224 gld_${EMULATION_NAME}_after_parse,
2225 gld_${EMULATION_NAME}_after_open,
2226 after_allocation_default,
2227 set_output_arch_default,
2228 ldemul_default_target,
2229 gld_${EMULATION_NAME}_before_allocation,
2230 gld_${EMULATION_NAME}_get_script,
2231 "${EMULATION_NAME}",
2233 gld_${EMULATION_NAME}_finish,
2234 NULL, /* Create output section statements. */
2235 gld_${EMULATION_NAME}_open_dynamic_archive,
2236 gld_${EMULATION_NAME}_place_orphan,
2237 gld_${EMULATION_NAME}_set_symbols,
2238 NULL, /* parse_args */
2239 gld${EMULATION_NAME}_add_options,
2240 gld${EMULATION_NAME}_handle_option,
2241 gld_${EMULATION_NAME}_unrecognized_file,
2242 gld_${EMULATION_NAME}_list_options,
2243 gld_${EMULATION_NAME}_recognized_file,
2244 gld_${EMULATION_NAME}_find_potential_libraries,
2245 NULL /* new_vers_pattern. */