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 = ${SUBSYSTEM};
128 static flagword real_flags = 0;
129 static int support_old_code = 0;
130 static char * thumb_entry_symbol = NULL;
131 static lang_assignment_statement_type *image_base_statement = 0;
132 static unsigned short pe_dll_characteristics = 0;
133 static bfd_boolean insert_timestamp = FALSE;
136 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
137 static char *pe_out_def_filename = NULL;
138 static char *pe_implib_filename = NULL;
139 static int pe_enable_auto_image_base = 0;
140 static char *pe_dll_search_prefix = NULL;
143 extern const char *output_filename;
145 static int is_underscoring (void)
148 if (pe_leading_underscore != -1)
149 return pe_leading_underscore;
150 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
151 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
155 pe_leading_underscore = (u != 0 ? 1 : 0);
156 return pe_leading_underscore;
160 gld_${EMULATION_NAME}_before_parse (void)
163 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
164 output_filename = "${EXECUTABLE_NAME:-a.exe}";
166 input_flags.dynamic = TRUE;
167 config.has_shared = 1;
170 # Cygwin no longer wants these noisy warnings. Other PE
171 # targets might like to consider adding themselves here.
172 # See also the mail thread starting here for the reason why
173 # merge_rdata defaults to 0 for cygwin:
174 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
177 default_auto_import=1
178 default_merge_rdata=0
180 i[3-7]86-*-mingw* | x86_64-*-mingw*)
181 default_auto_import=1
182 default_merge_rdata=0
185 default_auto_import=-1
186 default_merge_rdata=1
191 link_info.pei386_auto_import = ${default_auto_import};
192 /* Use by default version. */
193 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
197 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
198 version 2 is used and auto-import is enabled. */
199 #define MERGE_RDATA_V2 ${default_merge_rdata}
201 /* PE format extra command line options. */
203 /* Used for setting flags in the PE header. */
204 #define OPTION_BASE_FILE (300 + 1)
205 #define OPTION_DLL (OPTION_BASE_FILE + 1)
206 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
207 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
208 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
209 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
210 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
211 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
212 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
213 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
214 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
215 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
216 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
217 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
218 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
219 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
220 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
221 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
222 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
223 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
224 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
225 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
226 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
227 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
228 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
229 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
230 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
231 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
232 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
233 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
234 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
235 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
236 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
237 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
238 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
239 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
240 (OPTION_EXCLUDE_LIBS + 1)
241 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
242 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
243 #define OPTION_LARGE_ADDRESS_AWARE (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 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
255 #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
256 #define OPTION_ENABLE_LONG_SECTION_NAMES \
257 (OPTION_LEADING_UNDERSCORE + 1)
258 #define OPTION_DISABLE_LONG_SECTION_NAMES \
259 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
260 /* DLLCharacteristics flags. */
261 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
262 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
263 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
264 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
265 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
266 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
267 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
268 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
270 #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 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},
304 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
306 /* getopt allows abbreviations, so we do this to stop it
307 from treating -o as an abbreviation for this option. */
308 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
309 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
310 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
311 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
312 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
313 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
314 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
315 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
316 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
317 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
318 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
319 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
320 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
321 /* getopt() allows abbreviations, so we do this to stop it from
322 treating -c as an abbreviation for these --compat-implib. */
323 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
324 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
325 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
326 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
327 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
328 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
329 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
330 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
331 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
332 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
333 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
334 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
335 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
337 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
338 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
339 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
340 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
341 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
342 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
343 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
344 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
345 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
346 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
347 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
348 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
349 {NULL, no_argument, NULL, 0}
353 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
354 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
357 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
358 parameters which may be input from the command line. */
367 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
368 C visible symbols can be prefixed by underscore dependent to target's
370 bfd_boolean is_c_symbol;
373 /* Get symbol name dependent to kind and C visible state of
375 #define GET_INIT_SYMBOL_NAME(IDX) \
376 (init[(IDX)].symbol \
377 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
379 /* Decorates the C visible symbol by underscore, if target requires. */
381 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
383 /* Get size of constant string for a possible underscore prefixed
385 #define U_SIZE(CSTR) \
386 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
388 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
390 static definfo init[] =
392 /* imagebase must be first */
393 #define IMAGEBASEOFF 0
394 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
396 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
397 #define MSIMAGEBASEOFF 2
398 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
399 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
400 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
401 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
402 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
403 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
404 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
405 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
406 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
408 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
410 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
411 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
412 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
413 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
414 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
415 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
416 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
417 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
418 { NULL, 0, 0, NULL, 0 , FALSE}
423 gld_${EMULATION_NAME}_list_options (FILE *file)
425 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
426 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
427 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
428 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
429 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
430 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
431 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
432 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
433 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
434 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
435 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
436 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
437 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
438 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
439 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
440 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
441 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
442 fprintf (file, _(" --insert-timestamp Use a real timestamp rather than zero.\n"));
443 fprintf (file, _(" This makes binaries non-deterministic\n"));
445 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
446 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
447 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
448 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
449 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
450 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
451 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
452 fprintf (file, _(" Exclude objects, archive members from auto\n"));
453 fprintf (file, _(" export, place into import library instead.\n"));
454 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
455 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
456 fprintf (file, _(" --out-implib <file> Generate import library\n"));
457 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
458 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
459 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
460 create __imp_<SYMBOL> as well.\n"));
461 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
462 unless user specifies one\n"));
463 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
464 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
465 an importlib, use <string><basename>.dll\n\
466 in preference to lib<basename>.dll \n"));
467 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
468 __imp_sym for DATA references\n"));
469 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
470 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
471 adding pseudo-relocations resolved at\n\
473 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
474 auto-imported DATA.\n"));
475 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
476 or linking to DLLs (esp. auto-import)\n"));
478 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
479 greater than 2 gigabytes\n"));
480 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
481 addresses greater than 2 gigabytes\n"));
482 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
483 executable image files\n"));
484 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
485 in object files\n"));
486 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
487 address space layout randomization (ASLR)\n"));
488 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
489 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
490 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
491 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
492 be called in this image\n"));
493 fprintf (file, _(" --no-bind Do not bind this image\n"));
494 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
495 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
500 set_pe_name (char *name, long val)
505 /* Find the name and set it. */
506 for (i = 0; init[i].ptr; i++)
508 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
512 if (strcmp (name,"__image_base__") == 0)
513 set_pe_name (U ("__ImageBase"), val);
521 set_entry_point (void)
524 const char *initial_symbol_char;
534 { 1, "NtProcessStartup" },
535 { 2, "WinMainCRTStartup" },
536 { 3, "mainCRTStartup" },
537 { 7, "__PosixProcessStartup"},
538 { 9, "WinMainCRTStartup" },
539 {14, "mainCRTStartup" },
543 /* Entry point name for arbitrary subsystem numbers. */
544 static const char default_entry[] = "mainCRTStartup";
546 if (link_info.shared || dll)
548 #if defined (TARGET_IS_i386pe)
549 entry = "DllMainCRTStartup@12";
551 entry = "DllMainCRTStartup";
557 for (i = 0; v[i].entry; i++)
558 if (v[i].value == pe_subsystem)
561 /* If no match, use the default. */
562 if (v[i].entry != NULL)
565 entry = default_entry;
568 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
570 if (*initial_symbol_char != '\0')
574 /* lang_default_entry expects its argument to be permanently
575 allocated, so we don't free this string. */
576 alc_entry = xmalloc (strlen (initial_symbol_char)
579 strcpy (alc_entry, initial_symbol_char);
580 strcat (alc_entry, entry);
584 lang_default_entry (entry);
588 set_pe_subsystem (void)
594 unsigned long temp_subsystem;
611 /* Check for the presence of a version number. */
612 sver = strchr (optarg, ':');
614 len = strlen (optarg);
618 set_pe_name ("__major_subsystem_version__",
619 strtoul (sver + 1, &end, 0));
621 set_pe_name ("__minor_subsystem_version__",
622 strtoul (end + 1, &end, 0));
624 einfo (_("%P: warning: bad version number in -subsystem option\n"));
627 /* Check for numeric subsystem. */
628 temp_subsystem = strtoul (optarg, & end, 0);
629 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
631 /* Search list for a numeric match to use its entry point. */
632 for (i = 0; v[i].name; i++)
633 if (v[i].value == (int) temp_subsystem)
636 /* Use this subsystem. */
637 pe_subsystem = (int) temp_subsystem;
641 /* Search for subsystem by name. */
642 for (i = 0; v[i].name; i++)
643 if (strncmp (optarg, v[i].name, len) == 0
644 && v[i].name[len] == '\0')
647 if (v[i].name == NULL)
649 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
653 pe_subsystem = v[i].value;
656 set_pe_name ("__subsystem__", pe_subsystem);
663 set_pe_value (char *name)
667 set_pe_name (name, strtoul (optarg, &end, 0));
670 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
677 set_pe_stack_heap (char *resname, char *comname)
679 set_pe_value (resname);
684 set_pe_value (comname);
687 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
692 gld${EMULATION_NAME}_handle_option (int optc)
699 case OPTION_BASE_FILE:
700 link_info.base_file = fopen (optarg, FOPEN_WB);
701 if (link_info.base_file == NULL)
702 einfo (_("%F%P: cannot open base file %s\n"), optarg);
707 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
710 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
712 case OPTION_SUBSYSTEM:
715 case OPTION_MAJOR_OS_VERSION:
716 set_pe_value ("__major_os_version__");
718 case OPTION_MINOR_OS_VERSION:
719 set_pe_value ("__minor_os_version__");
721 case OPTION_MAJOR_SUBSYSTEM_VERSION:
722 set_pe_value ("__major_subsystem_version__");
724 case OPTION_MINOR_SUBSYSTEM_VERSION:
725 set_pe_value ("__minor_subsystem_version__");
727 case OPTION_MAJOR_IMAGE_VERSION:
728 set_pe_value ("__major_image_version__");
730 case OPTION_MINOR_IMAGE_VERSION:
731 set_pe_value ("__minor_image_version__");
733 case OPTION_FILE_ALIGNMENT:
734 set_pe_value ("__file_alignment__");
736 case OPTION_SECTION_ALIGNMENT:
737 set_pe_value ("__section_alignment__");
740 set_pe_name ("__dll__", 1);
742 case OPTION_IMAGE_BASE:
743 set_pe_value ("__image_base__");
745 case OPTION_SUPPORT_OLD_CODE:
746 support_old_code = 1;
748 case OPTION_THUMB_ENTRY:
749 thumb_entry_symbol = optarg;
751 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
752 pe_use_nul_prefixed_import_tables = TRUE;
754 case OPTION_NO_LEADING_UNDERSCORE:
755 pe_leading_underscore = 0;
757 case OPTION_LEADING_UNDERSCORE:
758 pe_leading_underscore = 1;
760 case OPTION_INSERT_TIMESTAMP:
761 insert_timestamp = TRUE;
765 pe_out_def_filename = xstrdup (optarg);
767 case OPTION_EXPORT_ALL:
768 pe_dll_export_everything = 1;
770 case OPTION_EXCLUDE_SYMBOLS:
771 pe_dll_add_excludes (optarg, EXCLUDESYMS);
773 case OPTION_EXCLUDE_ALL_SYMBOLS:
774 pe_dll_exclude_all_symbols = 1;
776 case OPTION_EXCLUDE_LIBS:
777 pe_dll_add_excludes (optarg, EXCLUDELIBS);
779 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
780 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
782 case OPTION_KILL_ATS:
785 case OPTION_STDCALL_ALIASES:
786 pe_dll_stdcall_aliases = 1;
788 case OPTION_ENABLE_STDCALL_FIXUP:
789 pe_enable_stdcall_fixup = 1;
791 case OPTION_DISABLE_STDCALL_FIXUP:
792 pe_enable_stdcall_fixup = 0;
794 case OPTION_IMPLIB_FILENAME:
795 pe_implib_filename = xstrdup (optarg);
797 case OPTION_WARN_DUPLICATE_EXPORTS:
798 pe_dll_warn_dup_exports = 1;
800 case OPTION_IMP_COMPAT:
801 pe_dll_compat_implib = 1;
803 case OPTION_ENABLE_AUTO_IMAGE_BASE:
804 pe_enable_auto_image_base = 1;
806 case OPTION_DISABLE_AUTO_IMAGE_BASE:
807 pe_enable_auto_image_base = 0;
809 case OPTION_DLL_SEARCH_PREFIX:
810 pe_dll_search_prefix = xstrdup (optarg);
812 case OPTION_NO_DEFAULT_EXCLUDES:
813 pe_dll_do_default_excludes = 0;
815 case OPTION_DLL_ENABLE_AUTO_IMPORT:
816 link_info.pei386_auto_import = 1;
818 case OPTION_DLL_DISABLE_AUTO_IMPORT:
819 link_info.pei386_auto_import = 0;
821 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
822 link_info.pei386_runtime_pseudo_reloc =
823 DEFAULT_PSEUDO_RELOC_VERSION;
825 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
826 link_info.pei386_runtime_pseudo_reloc = 1;
828 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
829 link_info.pei386_runtime_pseudo_reloc = 2;
831 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
832 link_info.pei386_runtime_pseudo_reloc = 0;
834 case OPTION_ENABLE_EXTRA_PE_DEBUG:
835 pe_dll_extra_pe_debug = 1;
838 case OPTION_LARGE_ADDRESS_AWARE:
839 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
841 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
842 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
844 case OPTION_ENABLE_LONG_SECTION_NAMES:
845 pe_use_coff_long_section_names = 1;
847 case OPTION_DISABLE_LONG_SECTION_NAMES:
848 pe_use_coff_long_section_names = 0;
850 /* Get DLLCharacteristics bits */
851 case OPTION_DYNAMIC_BASE:
852 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
854 case OPTION_FORCE_INTEGRITY:
855 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
857 case OPTION_NX_COMPAT:
858 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
860 case OPTION_NO_ISOLATION:
861 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
864 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
867 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
869 case OPTION_WDM_DRIVER:
870 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
872 case OPTION_TERMINAL_SERVER_AWARE:
873 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
877 /* Set DLLCharacteristics bits */
878 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
886 strhash (const char *str)
888 const unsigned char *s;
895 s = (const unsigned char *) str;
896 while ((c = *s++) != '\0')
898 hash += c + (c << 17);
902 hash += len + (len << 17);
908 /* Use the output file to create a image base for relocatable DLLs. */
911 compute_dll_image_base (const char *ofile)
913 unsigned long hash = strhash (ofile);
914 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
918 /* Assign values to the special symbols before the linker script is
922 gld_${EMULATION_NAME}_set_symbols (void)
924 /* Run through and invent symbols for all the
925 names and insert the defaults. */
930 if (!init[IMAGEBASEOFF].inited)
932 if (link_info.relocatable)
933 init[IMAGEBASEOFF].value = 0;
934 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
937 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
938 ? compute_dll_image_base (output_filename)
939 : NT_DLL_IMAGE_BASE);
941 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
945 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
946 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
949 /* Don't do any symbol assignments if this is a relocatable link. */
950 if (link_info.relocatable)
953 /* Glue the assignments into the abs section. */
954 push_stat_ptr (&abs_output_section->children);
956 for (j = 0; init[j].ptr; j++)
958 long val = init[j].value;
959 lang_assignment_statement_type *rv;
961 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
962 exp_intop (val), FALSE));
963 if (init[j].size == sizeof (short))
964 *(short *) init[j].ptr = val;
965 else if (init[j].size == sizeof (int))
966 *(int *) init[j].ptr = val;
967 else if (init[j].size == sizeof (long))
968 *(long *) init[j].ptr = val;
969 /* This might be a long long or other special type. */
970 else if (init[j].size == sizeof (bfd_vma))
971 *(bfd_vma *) init[j].ptr = val;
973 if (j == IMAGEBASEOFF)
974 image_base_statement = rv;
976 /* Restore the pointer. */
979 if (pe.FileAlignment > pe.SectionAlignment)
981 einfo (_("%P: warning, file alignment > section alignment.\n"));
985 /* This is called after the linker script and the command line options
989 gld_${EMULATION_NAME}_after_parse (void)
991 /* PR ld/6744: Warn the user if they have used an ELF-only
992 option hoping it will work on PE. */
993 if (link_info.export_dynamic)
994 einfo (_("%P: warning: --export-dynamic is not supported for PE "
995 "targets, did you mean --export-all-symbols?\n"));
999 after_parse_default ();
1002 /* pe-dll.c directly accesses pe_data_import_dll,
1003 so it must be defined outside of #ifdef DLL_SUPPORT.
1004 Note - this variable is deliberately not initialised.
1005 This allows it to be treated as a common varaible, and only
1006 exist in one incarnation in a multiple target enabled linker. */
1007 char * pe_data_import_dll;
1010 static struct bfd_link_hash_entry *pe_undef_found_sym;
1013 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1017 const char *hs = h->root.string;
1019 sl = strlen (string);
1020 if (h->type == bfd_link_hash_defined
1021 && ((*hs == '@' && *string == '_'
1022 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1023 || strncmp (hs, string, sl) == 0)
1024 && h->root.string[sl] == '@')
1026 pe_undef_found_sym = h;
1033 pe_fixup_stdcalls (void)
1035 static int gave_warning_message = 0;
1036 struct bfd_link_hash_entry *undef, *sym;
1038 if (pe_dll_extra_pe_debug)
1039 printf ("%s\n", __FUNCTION__);
1041 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1042 if (undef->type == bfd_link_hash_undefined)
1044 char* at = strchr (undef->root.string, '@');
1045 int lead_at = (*undef->root.string == '@');
1047 at = strchr (undef->root.string + 1, '@');
1051 /* The symbol is a stdcall symbol, so let's look for a
1052 cdecl symbol with the same name and resolve to that. */
1053 char *cname = xstrdup (undef->root.string);
1057 at = strchr (cname, '@');
1060 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1062 if (sym && sym->type == bfd_link_hash_defined)
1064 undef->type = bfd_link_hash_defined;
1065 undef->u.def.value = sym->u.def.value;
1066 undef->u.def.section = sym->u.def.section;
1068 if (pe_enable_stdcall_fixup == -1)
1070 einfo (_("Warning: resolving %s by linking to %s\n"),
1071 undef->root.string, cname);
1072 if (! gave_warning_message)
1074 gave_warning_message = 1;
1075 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1076 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1083 /* The symbol is a cdecl symbol, so we look for stdcall
1084 symbols - which means scanning the whole symbol table. */
1085 pe_undef_found_sym = 0;
1086 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1087 (char *) undef->root.string);
1088 sym = pe_undef_found_sym;
1091 undef->type = bfd_link_hash_defined;
1092 undef->u.def.value = sym->u.def.value;
1093 undef->u.def.section = sym->u.def.section;
1095 if (pe_enable_stdcall_fixup == -1)
1097 einfo (_("Warning: resolving %s by linking to %s\n"),
1098 undef->root.string, sym->root.string);
1099 if (! gave_warning_message)
1101 gave_warning_message = 1;
1102 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1103 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1112 make_import_fixup (arelent *rel, asection *s)
1114 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1117 if (pe_dll_extra_pe_debug)
1118 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1119 (unsigned long) rel->address, (long) rel->addend);
1121 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1122 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1123 s->owner, s, rel->address);
1125 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1131 pe_find_data_imports (void)
1133 struct bfd_link_hash_entry *undef, *sym;
1135 if (link_info.pei386_auto_import == 0)
1138 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1140 if (undef->type == bfd_link_hash_undefined)
1142 /* C++ symbols are *long*. */
1145 if (pe_dll_extra_pe_debug)
1146 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1148 sprintf (buf, "__imp_%s", undef->root.string);
1150 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1152 if (sym && sym->type == bfd_link_hash_defined)
1154 bfd *b = sym->u.def.section->owner;
1158 if (link_info.pei386_auto_import == -1)
1160 static bfd_boolean warned = FALSE;
1162 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1163 undef->root.string, buf);
1165 /* PR linker/4844. */
1169 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1170 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1174 if (!bfd_generic_link_read_symbols (b))
1176 einfo (_("%B%F: could not read symbols: %E\n"), b);
1180 symbols = bfd_get_outsymbols (b);
1181 nsyms = bfd_get_symcount (b);
1183 for (i = 0; i < nsyms; i++)
1185 if (! CONST_STRNEQ (symbols[i]->name,
1189 if (pe_dll_extra_pe_debug)
1190 printf ("->%s\n", symbols[i]->name);
1192 pe_data_import_dll = (char *) (symbols[i]->name
1193 + U_SIZE ("_head_") - 1);
1197 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1200 /* Let's differentiate it somehow from defined. */
1201 undef->type = bfd_link_hash_defweak;
1202 /* We replace original name with __imp_ prefixed, this
1203 1) may trash memory 2) leads to duplicate symbol generation.
1204 Still, IMHO it's better than having name poluted. */
1205 undef->root.string = sym->root.string;
1206 undef->u.def.value = sym->u.def.value;
1207 undef->u.def.section = sym->u.def.section;
1214 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1216 printf ("+%s\n", h->string);
1220 #endif /* DLL_SUPPORT */
1223 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1225 int *found = (int *) obj;
1226 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1231 gld_${EMULATION_NAME}_after_open (void)
1233 after_open_default ();
1236 if (pe_dll_extra_pe_debug)
1239 struct bfd_link_hash_entry *sym;
1241 printf ("%s()\n", __FUNCTION__);
1243 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1244 printf ("-%s\n", sym->root.string);
1245 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1247 for (a = link_info.input_bfds; a; a = a->link_next)
1248 printf ("*%s\n",a->filename);
1252 /* Pass the wacky PE command line options into the output bfd.
1253 FIXME: This should be done via a function, rather than by
1254 including an internal BFD header. */
1256 if (coff_data (link_info.output_bfd) == NULL
1257 || coff_data (link_info.output_bfd)->pe == 0)
1258 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1259 link_info.output_bfd);
1261 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1262 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1263 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1264 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
1266 /* At this point we must decide whether to use long section names
1267 in the output or not. If the user hasn't explicitly specified
1268 on the command line, we leave it to the default for the format
1269 (object files yes, image files no), except if there is debug
1270 information present; GDB relies on the long section names to
1271 find it, so enable it in that case. */
1272 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1274 /* Iterate over all sections of all input BFDs, checking
1275 for any that begin 'debug_' and are long names. */
1276 LANG_FOR_EACH_INPUT_STATEMENT (is)
1278 int found_debug = 0;
1279 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1282 pe_use_coff_long_section_names = 1;
1288 pe_output_file_set_long_section_names (link_info.output_bfd);
1291 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1292 pe_fixup_stdcalls ();
1294 pe_process_import_defs (link_info.output_bfd, &link_info);
1296 pe_find_data_imports ();
1298 /* As possibly new symbols are added by imports, we rerun
1299 stdcall/fastcall fixup here. */
1300 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1301 pe_fixup_stdcalls ();
1303 #if defined (TARGET_IS_i386pe) \
1304 || defined (TARGET_IS_armpe) \
1305 || defined (TARGET_IS_arm_epoc_pe) \
1306 || defined (TARGET_IS_arm_wince_pe)
1307 if (!link_info.relocatable)
1308 pe_dll_build_sections (link_info.output_bfd, &link_info);
1310 if (link_info.shared)
1311 pe_dll_build_sections (link_info.output_bfd, &link_info);
1313 pe_exe_build_sections (link_info.output_bfd, &link_info);
1315 #endif /* DLL_SUPPORT */
1317 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1318 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1320 /* The arm backend needs special fields in the output hash structure.
1321 These will only be created if the output format is an arm format,
1322 hence we do not support linking and changing output formats at the
1323 same time. Use a link followed by objcopy to change output formats. */
1324 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1328 /* Find a BFD that can hold the interworking stubs. */
1329 LANG_FOR_EACH_INPUT_STATEMENT (is)
1331 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1338 /* This next chunk of code tries to detect the case where you have
1339 two import libraries for the same DLL (specifically,
1340 symbolically linking libm.a and libc.a in cygwin to
1341 libcygwin.a). In those cases, it's possible for function
1342 thunks from the second implib to be used but without the
1343 head/tail objects, causing an improper import table. We detect
1344 those cases and rename the "other" import libraries to match
1345 the one the head/tail come from, so that the linker will sort
1346 things nicely and produce a valid import table. */
1348 LANG_FOR_EACH_INPUT_STATEMENT (is)
1350 if (is->the_bfd->my_archive)
1352 int idata2 = 0, reloc_count=0, is_imp = 0;
1355 /* See if this is an import library thunk. */
1356 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1358 if (strcmp (sec->name, ".idata\$2") == 0)
1360 if (CONST_STRNEQ (sec->name, ".idata\$"))
1362 reloc_count += sec->reloc_count;
1365 if (is_imp && !idata2 && reloc_count)
1367 /* It is, look for the reference to head and see if it's
1368 from our own library. */
1369 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1377 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1381 if (!bfd_generic_link_read_symbols (is->the_bfd))
1383 einfo (_("%B%F: could not read symbols: %E\n"),
1387 symbols = bfd_get_outsymbols (is->the_bfd);
1389 relocs = xmalloc ((size_t) relsize);
1390 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1395 einfo ("%X%P: unable to process relocs: %E\n");
1399 for (i = 0; i < nrelocs; i++)
1401 struct bfd_symbol *s;
1402 struct bfd_link_hash_entry * blhe;
1403 char *other_bfd_filename;
1406 s = (relocs[i]->sym_ptr_ptr)[0];
1408 if (s->flags & BSF_LOCAL)
1411 /* Thunk section with reloc to another bfd. */
1412 blhe = bfd_link_hash_lookup (link_info.hash,
1414 FALSE, FALSE, TRUE);
1417 || blhe->type != bfd_link_hash_defined)
1421 = blhe->u.def.section->owner->my_archive
1422 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1423 : bfd_get_filename (blhe->u.def.section->owner);
1425 if (filename_cmp (bfd_get_filename
1426 (is->the_bfd->my_archive),
1427 other_bfd_filename) == 0)
1430 /* Rename this implib to match the other one. */
1431 n = xmalloc (strlen (other_bfd_filename) + 1);
1432 strcpy (n, other_bfd_filename);
1433 is->the_bfd->my_archive->filename = n;
1437 /* Note - we do not free the symbols,
1438 they are now cached in the BFD. */
1448 lang_input_statement_type *is2;
1449 lang_input_statement_type *is3;
1451 /* Careful - this is a shell script. Watch those dollar signs! */
1452 /* Microsoft import libraries have every member named the same,
1453 and not in the right order for us to link them correctly. We
1454 must detect these and rename the members so that they'll link
1455 correctly. There are three types of objects: the head, the
1456 thunks, and the sentinel(s). The head is easy; it's the one
1457 with idata2. We assume that the sentinels won't have relocs,
1458 and the thunks will. It's easier than checking the symbol
1459 table for external references. */
1460 LANG_FOR_EACH_INPUT_STATEMENT (is)
1462 if (is->the_bfd->my_archive)
1465 bfd *arch = is->the_bfd->my_archive;
1467 if (cur_arch != arch)
1473 is3 && is3->the_bfd->my_archive == arch;
1474 is3 = (lang_input_statement_type *) is3->next)
1476 /* A MS dynamic import library can also contain static
1477 members, so look for the first element with a .dll
1478 extension, and use that for the remainder of the
1480 pnt = strrchr (is3->the_bfd->filename, '.');
1481 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1489 /* OK, found one. Now look to see if the remaining
1490 (dynamic import) members use the same name. */
1492 is2 && is2->the_bfd->my_archive == arch;
1493 is2 = (lang_input_statement_type *) is2->next)
1495 /* Skip static members, ie anything with a .obj
1497 pnt = strrchr (is2->the_bfd->filename, '.');
1498 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1501 if (filename_cmp (is3->the_bfd->filename,
1502 is2->the_bfd->filename))
1511 /* This fragment might have come from an .obj file in a Microsoft
1512 import, and not an actual import record. If this is the case,
1513 then leave the filename alone. */
1514 pnt = strrchr (is->the_bfd->filename, '.');
1516 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1518 int idata2 = 0, reloc_count=0;
1520 char *new_name, seq;
1522 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1524 if (strcmp (sec->name, ".idata\$2") == 0)
1526 reloc_count += sec->reloc_count;
1529 if (idata2) /* .idata2 is the TOC */
1531 else if (reloc_count > 0) /* thunks */
1536 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1537 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1538 is->the_bfd->filename = new_name;
1540 new_name = xmalloc (strlen (is->filename) + 3);
1541 sprintf (new_name, "%s.%c", is->filename, seq);
1542 is->filename = new_name;
1549 /* The following chunk of code tries to identify jump stubs in
1550 import libraries which are dead code and eliminates them
1551 from the final link. For each exported symbol <sym>, there
1552 is a object file in the import library with a .text section
1553 and several .idata\$* sections. The .text section contains the
1554 symbol definition for <sym> which is a jump stub of the form
1555 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1556 for __imp_<sym> which is the address of the slot for <sym> in
1557 the import address table. When a symbol is imported explicitly
1558 using __declspec(dllimport) declaration, the compiler generates
1559 a reference to __imp_<sym> which directly resolves to the
1560 symbol in .idata\$5, in which case the jump stub code is not
1561 needed. The following code tries to identify jump stub sections
1562 in import libraries which are not referred to by anyone and
1563 marks them for exclusion from the final link. */
1564 LANG_FOR_EACH_INPUT_STATEMENT (is)
1566 if (is->the_bfd->my_archive)
1569 asection *sec, *stub_sec = NULL;
1571 /* See if this is an import library thunk. */
1572 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1574 if (strncmp (sec->name, ".idata\$", 7) == 0)
1576 /* The section containing the jmp stub has code
1578 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1582 if (is_imp && stub_sec)
1585 long nsyms, src_count;
1586 struct bfd_link_hash_entry * blhe;
1588 if (!bfd_generic_link_read_symbols (is->the_bfd))
1590 einfo (_("%B%F: could not read symbols: %E\n"),
1594 symbols = bfd_get_outsymbols (is->the_bfd);
1595 nsyms = bfd_get_symcount (is->the_bfd);
1597 for (src_count = 0; src_count < nsyms; src_count++)
1599 if (symbols[src_count]->section->id == stub_sec->id)
1601 /* This symbol belongs to the section containing
1603 blhe = bfd_link_hash_lookup (link_info.hash,
1604 symbols[src_count]->name,
1605 FALSE, FALSE, TRUE);
1606 /* If the symbol in the stub section has no other
1607 undefined references, exclude the stub section
1608 from the final link. */
1610 && blhe->type == bfd_link_hash_defined
1611 && blhe->u.undef.next == NULL
1612 && blhe != link_info.hash->undefs_tail)
1613 stub_sec->flags |= SEC_EXCLUDE;
1623 gld_${EMULATION_NAME}_before_allocation (void)
1625 #ifdef TARGET_IS_ppcpe
1626 /* Here we rummage through the found bfds to collect toc information. */
1628 LANG_FOR_EACH_INPUT_STATEMENT (is)
1630 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1632 /* xgettext:c-format */
1633 einfo (_("Errors encountered processing file %s\n"), is->filename);
1638 /* We have seen it all. Allocate it, and carry on. */
1639 ppc_allocate_toc_section (&link_info);
1640 #endif /* TARGET_IS_ppcpe */
1642 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1643 /* FIXME: we should be able to set the size of the interworking stub
1646 Here we rummage through the found bfds to collect glue
1647 information. FIXME: should this be based on a command line
1648 option? krk@cygnus.com. */
1650 LANG_FOR_EACH_INPUT_STATEMENT (is)
1652 if (! bfd_arm_process_before_allocation
1653 (is->the_bfd, & link_info, support_old_code))
1655 /* xgettext:c-format */
1656 einfo (_("Errors encountered processing file %s for interworking\n"),
1662 /* We have seen it all. Allocate it, and carry on. */
1663 bfd_arm_allocate_interworking_sections (& link_info);
1664 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1666 before_allocation_default ();
1670 /* This is called when an input file isn't recognized as a BFD. We
1671 check here for .DEF files and pull them in automatically. */
1674 saw_option (char *option)
1678 for (i = 0; init[i].ptr; i++)
1679 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1680 return init[i].inited;
1683 #endif /* DLL_SUPPORT */
1686 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1689 const char *ext = entry->filename + strlen (entry->filename) - 4;
1691 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1693 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1697 int i, buflen=0, len;
1700 for (i = 0; i < pe_def_file->num_exports; i++)
1702 len = strlen (pe_def_file->exports[i].internal_name);
1703 if (buflen < len + 2)
1707 buf = xmalloc (buflen);
1709 for (i = 0; i < pe_def_file->num_exports; i++)
1711 struct bfd_link_hash_entry *h;
1713 sprintf (buf, "%s%s", U (""),
1714 pe_def_file->exports[i].internal_name);
1716 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1717 if (h == (struct bfd_link_hash_entry *) NULL)
1718 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1719 if (h->type == bfd_link_hash_new)
1721 h->type = bfd_link_hash_undefined;
1722 h->u.undef.abfd = NULL;
1723 bfd_link_add_undef (link_info.hash, h);
1728 /* def_file_print (stdout, pe_def_file); */
1729 if (pe_def_file->is_dll == 1)
1730 link_info.shared = 1;
1732 if (pe_def_file->base_address != (bfd_vma)(-1))
1735 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1736 = init[IMAGEBASEOFF].value
1737 = pe_def_file->base_address;
1738 init[IMAGEBASEOFF].inited = 1;
1739 if (image_base_statement)
1740 image_base_statement->exp
1741 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1745 if (pe_def_file->stack_reserve != -1
1746 && ! saw_option ("__size_of_stack_reserve__"))
1748 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1749 if (pe_def_file->stack_commit != -1)
1750 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1752 if (pe_def_file->heap_reserve != -1
1753 && ! saw_option ("__size_of_heap_reserve__"))
1755 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1756 if (pe_def_file->heap_commit != -1)
1757 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1767 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1770 #ifdef TARGET_IS_i386pe
1771 pe_dll_id_target ("pei-i386");
1773 #ifdef TARGET_IS_shpe
1774 pe_dll_id_target ("pei-shl");
1776 #ifdef TARGET_IS_armpe
1777 pe_dll_id_target ("pei-arm-little");
1779 #ifdef TARGET_IS_arm_epoc_pe
1780 pe_dll_id_target ("epoc-pei-arm-little");
1782 #ifdef TARGET_IS_arm_wince_pe
1783 pe_dll_id_target ("pei-arm-wince-little");
1785 if (pe_bfd_is_dll (entry->the_bfd))
1786 return pe_implied_import_dll (entry->filename);
1792 gld_${EMULATION_NAME}_finish (void)
1794 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1795 struct bfd_link_hash_entry * h;
1797 if (thumb_entry_symbol != NULL)
1799 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1800 FALSE, FALSE, TRUE);
1802 if (h != (struct bfd_link_hash_entry *) NULL
1803 && (h->type == bfd_link_hash_defined
1804 || h->type == bfd_link_hash_defweak)
1805 && h->u.def.section->output_section != NULL)
1807 static char buffer[32];
1810 /* Special procesing is required for a Thumb entry symbol. The
1811 bottom bit of its address must be set. */
1812 val = (h->u.def.value
1813 + bfd_get_section_vma (link_info.output_bfd,
1814 h->u.def.section->output_section)
1815 + h->u.def.section->output_offset);
1819 /* Now convert this value into a string and store it in entry_symbol
1820 where the lang_finish() function will pick it up. */
1824 sprintf_vma (buffer + 2, val);
1826 if (entry_symbol.name != NULL && entry_from_cmdline)
1827 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1828 thumb_entry_symbol, entry_symbol.name);
1829 entry_symbol.name = buffer;
1832 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1834 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1839 if (link_info.shared
1840 #if !defined(TARGET_IS_shpe)
1841 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1845 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1846 if (pe_implib_filename)
1847 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1849 #if defined(TARGET_IS_shpe)
1850 /* ARM doesn't need relocs. */
1853 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1857 if (pe_out_def_filename)
1858 pe_dll_generate_def_file (pe_out_def_filename);
1859 #endif /* DLL_SUPPORT */
1861 /* I don't know where .idata gets set as code, but it shouldn't be. */
1863 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1867 asec->flags &= ~SEC_CODE;
1868 asec->flags |= SEC_DATA;
1874 /* Place an orphan section.
1876 We use this to put sections in a reasonable place in the file, and
1877 to ensure that they are aligned as required.
1879 We handle grouped sections here as well. A section named .foo\$nn
1880 goes into the output section .foo. All grouped sections are sorted
1883 Grouped sections for the default sections are handled by the
1884 default linker script using wildcards, and are sorted by
1887 static lang_output_section_statement_type *
1888 gld_${EMULATION_NAME}_place_orphan (asection *s,
1889 const char *secname,
1892 const char *orig_secname = secname;
1893 char *dollar = NULL;
1894 lang_output_section_statement_type *os;
1895 lang_statement_list_type add_child;
1896 lang_output_section_statement_type *match_by_name = NULL;
1897 lang_statement_union_type **pl;
1899 /* Look through the script to see where to place this section. */
1900 if (!link_info.relocatable
1901 && (dollar = strchr (secname, '\$')) != NULL)
1903 size_t len = dollar - secname;
1904 char *newname = xmalloc (len + 1);
1905 memcpy (newname, secname, len);
1906 newname[len] = '\0';
1910 lang_list_init (&add_child);
1913 if (constraint == 0)
1914 for (os = lang_output_section_find (secname);
1916 os = next_matching_output_section_statement (os, 0))
1918 /* If we don't match an existing output section, tell
1919 lang_insert_orphan to create a new output section. */
1920 constraint = SPECIAL;
1922 if (os->bfd_section != NULL
1923 && (os->bfd_section->flags == 0
1924 || ((s->flags ^ os->bfd_section->flags)
1925 & (SEC_LOAD | SEC_ALLOC)) == 0))
1927 /* We already have an output section statement with this
1928 name, and its bfd section has compatible flags.
1929 If the section already exists but does not have any flags set,
1930 then it has been created by the linker, probably as a result of
1931 a --section-start command line switch. */
1932 lang_add_section (&add_child, s, NULL, os);
1936 /* Save unused output sections in case we can match them
1937 against orphans later. */
1938 if (os->bfd_section == NULL)
1942 /* If we didn't match an active output section, see if we matched an
1943 unused one and use that. */
1944 if (os == NULL && match_by_name)
1946 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
1947 return match_by_name;
1952 static struct orphan_save hold[] =
1955 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1958 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1961 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1964 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1970 enum orphan_save_index
1978 static int orphan_init_done = 0;
1979 struct orphan_save *place;
1980 lang_output_section_statement_type *after;
1981 etree_type *address;
1983 if (!orphan_init_done)
1985 struct orphan_save *ho;
1986 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1987 if (ho->name != NULL)
1989 ho->os = lang_output_section_find (ho->name);
1990 if (ho->os != NULL && ho->os->flags == 0)
1991 ho->os->flags = ho->flags;
1993 orphan_init_done = 1;
1996 /* Try to put the new output section in a reasonable place based
1997 on the section name and section flags. */
2000 if ((s->flags & SEC_ALLOC) == 0)
2002 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2003 place = &hold[orphan_bss];
2004 else if ((s->flags & SEC_READONLY) == 0)
2005 place = &hold[orphan_data];
2006 else if ((s->flags & SEC_CODE) == 0)
2008 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2009 : &hold[orphan_rodata]);
2012 place = &hold[orphan_text];
2017 if (place->os == NULL)
2018 place->os = lang_output_section_find (place->name);
2021 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2023 /* *ABS* is always the first output section statement. */
2024 after = (&lang_output_section_statement.head
2025 ->output_section_statement);
2028 /* All sections in an executable must be aligned to a page boundary.
2029 In a relocatable link, just preserve the incoming alignment; the
2030 address is discarded by lang_insert_orphan in that case, anyway. */
2031 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2032 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2034 if (link_info.relocatable)
2036 os->section_alignment = s->alignment_power;
2037 os->bfd_section->alignment_power = s->alignment_power;
2041 /* If the section name has a '\$', sort it with the other '\$'
2043 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2045 lang_input_section_type *ls;
2048 if ((*pl)->header.type != lang_input_section_enum)
2051 ls = &(*pl)->input_section;
2053 lname = bfd_get_section_name (ls->section->owner, ls->section);
2054 if (strchr (lname, '\$') != NULL
2055 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2059 if (add_child.head != NULL)
2061 *add_child.tail = *pl;
2062 *pl = add_child.head;
2069 gld_${EMULATION_NAME}_open_dynamic_archive
2070 (const char *arch ATTRIBUTE_UNUSED,
2071 search_dirs_type *search,
2072 lang_input_statement_type *entry)
2076 const char * format;
2077 bfd_boolean use_prefix;
2081 /* Preferred explicit import library for dll's. */
2082 { "lib%s.dll.a", FALSE },
2083 /* Alternate explicit import library for dll's. */
2084 { "%s.dll.a", FALSE },
2085 /* "libfoo.a" could be either an import lib or a static lib.
2086 For backwards compatibility, libfoo.a needs to precede
2087 libfoo.dll and foo.dll in the search. */
2088 { "lib%s.a", FALSE },
2089 /* The 'native' spelling of an import lib name is "foo.lib". */
2090 { "%s.lib", FALSE },
2092 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2093 { "%s%s.dll", TRUE },
2095 /* Try "libfoo.dll" (default preferred dll name). */
2096 { "lib%s.dll", FALSE },
2097 /* Finally try 'native' dll name "foo.dll". */
2098 { "%s.dll", FALSE },
2099 /* Note: If adding more formats to this table, make sure to check to
2100 see if their length is longer than libname_fmt[0].format, and if
2101 so, update the call to xmalloc() below. */
2104 static unsigned int format_max_len = 0;
2105 const char * filename;
2111 if (! entry->flags.maybe_archive)
2114 filename = entry->filename;
2116 if (format_max_len == 0)
2117 /* We need to allow space in the memory that we are going to allocate
2118 for the characters in the format string. Since the format array is
2119 static we only need to calculate this information once. In theory
2120 this value could also be computed statically, but this introduces
2121 the possibility for a discrepancy and hence a possible memory
2122 corruption. The lengths we compute here will be too long because
2123 they will include any formating characters (%s) in the strings, but
2124 this will not matter. */
2125 for (i = 0; libname_fmt[i].format; i++)
2126 if (format_max_len < strlen (libname_fmt[i].format))
2127 format_max_len = strlen (libname_fmt[i].format);
2129 full_string = xmalloc (strlen (search->name)
2133 + (pe_dll_search_prefix
2134 ? strlen (pe_dll_search_prefix) : 0)
2136 /* Allow for the terminating NUL and for the path
2137 separator character that is inserted between
2138 search->name and the start of the format string. */
2141 sprintf (full_string, "%s/", search->name);
2142 base_string = full_string + strlen (full_string);
2144 for (i = 0; libname_fmt[i].format; i++)
2147 if (libname_fmt[i].use_prefix)
2149 if (!pe_dll_search_prefix)
2151 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2155 sprintf (base_string, libname_fmt[i].format, filename);
2157 if (ldfile_try_open_bfd (full_string, entry))
2161 if (!libname_fmt[i].format)
2167 entry->filename = full_string;
2173 gld_${EMULATION_NAME}_find_potential_libraries
2174 (char *name, lang_input_statement_type *entry)
2176 return ldfile_open_file_search (name, entry, "", ".lib");
2180 gld_${EMULATION_NAME}_get_script (int *isfile)
2182 # Scripts compiled in.
2183 # sed commands to quote an ld script as a C string.
2184 sc="-f stringify.sed"
2190 if (link_info.relocatable && config.build_constructors)
2193 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2194 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2195 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2196 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2197 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2198 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2199 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2200 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2201 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2202 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2204 echo ' ; else return' >> e${EMULATION_NAME}.c
2205 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2206 echo '; }' >> e${EMULATION_NAME}.c
2211 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2213 gld_${EMULATION_NAME}_before_parse,
2216 gld_${EMULATION_NAME}_after_parse,
2217 gld_${EMULATION_NAME}_after_open,
2218 after_allocation_default,
2219 set_output_arch_default,
2220 ldemul_default_target,
2221 gld_${EMULATION_NAME}_before_allocation,
2222 gld_${EMULATION_NAME}_get_script,
2223 "${EMULATION_NAME}",
2225 gld_${EMULATION_NAME}_finish,
2226 NULL, /* Create output section statements. */
2227 gld_${EMULATION_NAME}_open_dynamic_archive,
2228 gld_${EMULATION_NAME}_place_orphan,
2229 gld_${EMULATION_NAME}_set_symbols,
2230 NULL, /* parse_args */
2231 gld${EMULATION_NAME}_add_options,
2232 gld${EMULATION_NAME}_handle_option,
2233 gld_${EMULATION_NAME}_unrecognized_file,
2234 gld_${EMULATION_NAME}_list_options,
2235 gld_${EMULATION_NAME}_recognized_file,
2236 gld_${EMULATION_NAME}_find_potential_libraries,
2237 NULL /* new_vers_pattern. */