1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
8 rm -f e${EMULATION_NAME}.c
9 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
12 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
14 This file is part of the GNU Binutils.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 3 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
33 /* The original file generated returned different default scripts depending
34 on whether certain switches were set, but these switches pertain to the
35 Linux system and that particular version of coff. In the NT case, we
36 only determine if the subsystem is console or windows in order to select
37 the correct entry point by default. */
39 #define TARGET_IS_${EMULATION_NAME}
41 /* Do this before including bfd.h, so we prototype the right functions. */
43 #if defined(TARGET_IS_armpe) \
44 || defined(TARGET_IS_arm_epoc_pe) \
45 || defined(TARGET_IS_arm_wince_pe)
46 #define bfd_arm_allocate_interworking_sections \
47 bfd_${EMULATION_NAME}_allocate_interworking_sections
48 #define bfd_arm_get_bfd_for_interworking \
49 bfd_${EMULATION_NAME}_get_bfd_for_interworking
50 #define bfd_arm_process_before_allocation \
51 bfd_${EMULATION_NAME}_process_before_allocation
58 #include "libiberty.h"
59 #include "filenames.h"
70 #include "coff/internal.h"
72 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
73 header in generic PE code. */
74 #include "coff/i386.h"
77 /* FIXME: This is a BFD internal header file, and we should not be
79 #include "../bfd/libcoff.h"
83 #include "safe-ctype.h"
85 /* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90 #undef PE_DEF_SECTION_ALIGNMENT
91 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
94 #if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
96 || defined(TARGET_IS_mipspe) \
97 || defined(TARGET_IS_armpe) \
98 || defined(TARGET_IS_arm_epoc_pe) \
99 || defined(TARGET_IS_arm_wince_pe)
103 #if defined(TARGET_IS_i386pe)
104 #define DEFAULT_PSEUDO_RELOC_VERSION 2
106 #define DEFAULT_PSEUDO_RELOC_VERSION 1
109 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
110 #define PE_DEF_SUBSYSTEM 3
112 #undef NT_EXE_IMAGE_BASE
113 #undef PE_DEF_SECTION_ALIGNMENT
114 #undef PE_DEF_FILE_ALIGNMENT
115 #define NT_EXE_IMAGE_BASE 0x00010000
117 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
118 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
119 #define PE_DEF_SUBSYSTEM 9
121 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
122 #define PE_DEF_SUBSYSTEM 2
124 #define PE_DEF_FILE_ALIGNMENT 0x00000200
127 static struct internal_extra_pe_aouthdr pe;
129 static int pe_subsystem = ${SUBSYSTEM};
130 static flagword real_flags = 0;
131 static int support_old_code = 0;
132 static char * thumb_entry_symbol = NULL;
133 static lang_assignment_statement_type *image_base_statement = 0;
134 static unsigned short pe_dll_characteristics = 0;
137 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
138 static char *pe_out_def_filename = NULL;
139 static char *pe_implib_filename = NULL;
140 static int pe_enable_auto_image_base = 0;
141 static char *pe_dll_search_prefix = NULL;
144 extern const char *output_filename;
146 static int is_underscoring (void)
149 if (pe_leading_underscore != -1)
150 return pe_leading_underscore;
151 if (!bfd_get_target_info ("${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 config.dynamic_link = 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.
175 default_auto_import=1
176 default_merge_rdata=1
178 i[3-7]86-*-mingw* | x86_64-*-mingw*)
179 default_auto_import=1
180 default_merge_rdata=0
183 default_auto_import=-1
184 default_merge_rdata=1
189 link_info.pei386_auto_import = ${default_auto_import};
190 /* Use by default version. */
191 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
195 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
196 version 2 is used and auto-import is enabled. */
197 #define MERGE_RDATA_V2 ${default_merge_rdata}
199 /* PE format extra command line options. */
201 /* Used for setting flags in the PE header. */
202 #define OPTION_BASE_FILE (300 + 1)
203 #define OPTION_DLL (OPTION_BASE_FILE + 1)
204 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
205 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
206 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
207 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
208 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
209 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
210 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
211 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
212 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
213 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
214 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
215 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
216 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
217 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
218 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
219 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
220 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
221 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
222 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
223 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
224 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
225 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
226 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
227 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
228 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
229 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
230 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
231 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
232 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
233 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
234 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
235 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
236 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
237 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
238 (OPTION_EXCLUDE_LIBS + 1)
239 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
240 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
241 #define OPTION_LARGE_ADDRESS_AWARE \
242 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
243 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
244 (OPTION_LARGE_ADDRESS_AWARE + 1)
245 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
246 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
247 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
248 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
249 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
250 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
251 #define OPTION_NO_LEADING_UNDERSCORE \
252 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
253 #define OPTION_LEADING_UNDERSCORE \
254 (OPTION_NO_LEADING_UNDERSCORE + 1)
255 #define OPTION_ENABLE_LONG_SECTION_NAMES \
256 (OPTION_LEADING_UNDERSCORE + 1)
257 #define OPTION_DISABLE_LONG_SECTION_NAMES \
258 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
259 /* DLLCharacteristics flags */
260 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
261 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
262 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
263 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
264 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
265 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
266 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
267 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
270 gld${EMULATION_NAME}_add_options
271 (int ns ATTRIBUTE_UNUSED,
272 char **shortopts ATTRIBUTE_UNUSED,
274 struct option **longopts,
275 int nrl ATTRIBUTE_UNUSED,
276 struct option **really_longopts ATTRIBUTE_UNUSED)
278 static const struct option xtra_long[] = {
280 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
281 {"dll", no_argument, NULL, OPTION_DLL},
282 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
283 {"heap", required_argument, NULL, OPTION_HEAP},
284 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
285 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
286 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
287 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
288 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
289 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
290 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
291 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
292 {"stack", required_argument, NULL, OPTION_STACK},
293 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
294 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
295 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
296 {"use-nul-prefixed-import-tables", no_argument, NULL,
297 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
298 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
299 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
301 /* getopt allows abbreviations, so we do this to stop it
302 from treating -o as an abbreviation for this option. */
303 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
304 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
305 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
306 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
307 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
308 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
309 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
310 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
311 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
312 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
313 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
314 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
315 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
316 /* getopt() allows abbreviations, so we do this to stop it from
317 treating -c as an abbreviation for these --compat-implib. */
318 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
319 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
320 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
321 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
322 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
323 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
324 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
325 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
326 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
327 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
328 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
329 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
330 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
332 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
333 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
334 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
335 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
336 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
337 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
338 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
339 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
340 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
341 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
342 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
343 {NULL, no_argument, NULL, 0}
347 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
348 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
351 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
352 parameters which may be input from the command line. */
361 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
362 C visible symbols can be prefixed by underscore dependent to target's
364 bfd_boolean is_c_symbol;
367 /* Get symbol name dependent to kind and C visible state of
369 #define GET_INIT_SYMBOL_NAME(IDX) \
370 (init[(IDX)].symbol \
371 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
373 /* Decorates the C visible symbol by underscore, if target requires. */
375 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
377 /* Get size of constant string for a possible underscore prefixed
379 #define U_SIZE(CSTR) \
380 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
382 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
384 static definfo init[] =
386 /* imagebase must be first */
387 #define IMAGEBASEOFF 0
388 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
390 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
391 #define MSIMAGEBASEOFF 2
392 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
393 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
394 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
395 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
396 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
397 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
398 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
399 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
400 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
402 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
404 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
405 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
406 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
407 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
408 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
409 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
410 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
411 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
412 { NULL, 0, 0, NULL, 0 , FALSE}
417 gld_${EMULATION_NAME}_list_options (FILE *file)
419 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
420 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
421 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
422 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
423 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
424 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
425 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
426 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
427 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
428 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
429 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
430 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
431 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
432 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
433 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
434 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
435 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
437 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
438 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
439 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
440 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
441 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
442 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
443 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
444 fprintf (file, _(" Exclude objects, archive members from auto\n"));
445 fprintf (file, _(" export, place into import library instead.\n"));
446 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
447 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
448 fprintf (file, _(" --out-implib <file> Generate import library\n"));
449 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
450 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
451 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
452 create __imp_<SYMBOL> as well.\n"));
453 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
454 unless user specifies one\n"));
455 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
456 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
457 an importlib, use <string><basename>.dll\n\
458 in preference to lib<basename>.dll \n"));
459 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
460 __imp_sym for DATA references\n"));
461 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
462 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
463 adding pseudo-relocations resolved at\n\
465 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
466 auto-imported DATA.\n"));
467 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
468 or linking to DLLs (esp. auto-import)\n"));
470 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
471 greater than 2 gigabytes\n"));
472 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
473 executable image files\n"));
474 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
475 in object files\n"));
476 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
477 address space layout randomization (ASLR)\n"));
478 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
479 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
480 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
481 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
482 be called in this image\n"));
483 fprintf (file, _(" --no-bind Do not bind this image\n"));
484 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
485 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
490 set_pe_name (char *name, long val)
495 /* Find the name and set it. */
496 for (i = 0; init[i].ptr; i++)
498 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
502 if (strcmp (name,"__image_base__") == 0)
503 set_pe_name (U ("__ImageBase"), val);
511 set_entry_point (void)
514 const char *initial_symbol_char;
524 { 1, "NtProcessStartup" },
525 { 2, "WinMainCRTStartup" },
526 { 3, "mainCRTStartup" },
527 { 7, "__PosixProcessStartup"},
528 { 9, "WinMainCRTStartup" },
529 {14, "mainCRTStartup" },
533 /* Entry point name for arbitrary subsystem numbers. */
534 static const char default_entry[] = "mainCRTStartup";
536 if (link_info.shared || dll)
538 #if defined (TARGET_IS_i386pe)
539 entry = "DllMainCRTStartup@12";
541 entry = "DllMainCRTStartup";
547 for (i = 0; v[i].entry; i++)
548 if (v[i].value == pe_subsystem)
551 /* If no match, use the default. */
552 if (v[i].entry != NULL)
555 entry = default_entry;
558 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
560 if (*initial_symbol_char != '\0')
564 /* lang_default_entry expects its argument to be permanently
565 allocated, so we don't free this string. */
566 alc_entry = xmalloc (strlen (initial_symbol_char)
569 strcpy (alc_entry, initial_symbol_char);
570 strcat (alc_entry, entry);
574 lang_default_entry (entry);
578 set_pe_subsystem (void)
584 unsigned long temp_subsystem;
601 /* Check for the presence of a version number. */
602 sver = strchr (optarg, ':');
604 len = strlen (optarg);
608 set_pe_name ("__major_subsystem_version__",
609 strtoul (sver + 1, &end, 0));
611 set_pe_name ("__minor_subsystem_version__",
612 strtoul (end + 1, &end, 0));
614 einfo (_("%P: warning: bad version number in -subsystem option\n"));
617 /* Check for numeric subsystem. */
618 temp_subsystem = strtoul (optarg, & end, 0);
619 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
621 /* Search list for a numeric match to use its entry point. */
622 for (i = 0; v[i].name; i++)
623 if (v[i].value == (int) temp_subsystem)
626 /* Use this subsystem. */
627 pe_subsystem = (int) temp_subsystem;
631 /* Search for subsystem by name. */
632 for (i = 0; v[i].name; i++)
633 if (strncmp (optarg, v[i].name, len) == 0
634 && v[i].name[len] == '\0')
637 if (v[i].name == NULL)
639 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
643 pe_subsystem = v[i].value;
646 set_pe_name ("__subsystem__", pe_subsystem);
653 set_pe_value (char *name)
657 set_pe_name (name, strtoul (optarg, &end, 0));
660 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
667 set_pe_stack_heap (char *resname, char *comname)
669 set_pe_value (resname);
674 set_pe_value (comname);
677 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
682 gld${EMULATION_NAME}_handle_option (int optc)
689 case OPTION_BASE_FILE:
690 link_info.base_file = fopen (optarg, FOPEN_WB);
691 if (link_info.base_file == NULL)
692 einfo (_("%F%P: cannot open base file %s\n"), optarg);
697 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
700 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
702 case OPTION_SUBSYSTEM:
705 case OPTION_MAJOR_OS_VERSION:
706 set_pe_value ("__major_os_version__");
708 case OPTION_MINOR_OS_VERSION:
709 set_pe_value ("__minor_os_version__");
711 case OPTION_MAJOR_SUBSYSTEM_VERSION:
712 set_pe_value ("__major_subsystem_version__");
714 case OPTION_MINOR_SUBSYSTEM_VERSION:
715 set_pe_value ("__minor_subsystem_version__");
717 case OPTION_MAJOR_IMAGE_VERSION:
718 set_pe_value ("__major_image_version__");
720 case OPTION_MINOR_IMAGE_VERSION:
721 set_pe_value ("__minor_image_version__");
723 case OPTION_FILE_ALIGNMENT:
724 set_pe_value ("__file_alignment__");
726 case OPTION_SECTION_ALIGNMENT:
727 set_pe_value ("__section_alignment__");
730 set_pe_name ("__dll__", 1);
732 case OPTION_IMAGE_BASE:
733 set_pe_value ("__image_base__");
735 case OPTION_SUPPORT_OLD_CODE:
736 support_old_code = 1;
738 case OPTION_THUMB_ENTRY:
739 thumb_entry_symbol = optarg;
741 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
742 pe_use_nul_prefixed_import_tables = TRUE;
744 case OPTION_NO_LEADING_UNDERSCORE:
745 pe_leading_underscore = 0;
747 case OPTION_LEADING_UNDERSCORE:
748 pe_leading_underscore = 1;
752 pe_out_def_filename = xstrdup (optarg);
754 case OPTION_EXPORT_ALL:
755 pe_dll_export_everything = 1;
757 case OPTION_EXCLUDE_SYMBOLS:
758 pe_dll_add_excludes (optarg, EXCLUDESYMS);
760 case OPTION_EXCLUDE_ALL_SYMBOLS:
761 pe_dll_exclude_all_symbols = 1;
763 case OPTION_EXCLUDE_LIBS:
764 pe_dll_add_excludes (optarg, EXCLUDELIBS);
766 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
767 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
769 case OPTION_KILL_ATS:
772 case OPTION_STDCALL_ALIASES:
773 pe_dll_stdcall_aliases = 1;
775 case OPTION_ENABLE_STDCALL_FIXUP:
776 pe_enable_stdcall_fixup = 1;
778 case OPTION_DISABLE_STDCALL_FIXUP:
779 pe_enable_stdcall_fixup = 0;
781 case OPTION_IMPLIB_FILENAME:
782 pe_implib_filename = xstrdup (optarg);
784 case OPTION_WARN_DUPLICATE_EXPORTS:
785 pe_dll_warn_dup_exports = 1;
787 case OPTION_IMP_COMPAT:
788 pe_dll_compat_implib = 1;
790 case OPTION_ENABLE_AUTO_IMAGE_BASE:
791 pe_enable_auto_image_base = 1;
793 case OPTION_DISABLE_AUTO_IMAGE_BASE:
794 pe_enable_auto_image_base = 0;
796 case OPTION_DLL_SEARCH_PREFIX:
797 pe_dll_search_prefix = xstrdup (optarg);
799 case OPTION_NO_DEFAULT_EXCLUDES:
800 pe_dll_do_default_excludes = 0;
802 case OPTION_DLL_ENABLE_AUTO_IMPORT:
803 link_info.pei386_auto_import = 1;
805 case OPTION_DLL_DISABLE_AUTO_IMPORT:
806 link_info.pei386_auto_import = 0;
808 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
809 link_info.pei386_runtime_pseudo_reloc =
810 DEFAULT_PSEUDO_RELOC_VERSION;
812 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
813 link_info.pei386_runtime_pseudo_reloc = 1;
815 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
816 link_info.pei386_runtime_pseudo_reloc = 2;
818 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
819 link_info.pei386_runtime_pseudo_reloc = 0;
821 case OPTION_ENABLE_EXTRA_PE_DEBUG:
822 pe_dll_extra_pe_debug = 1;
825 case OPTION_LARGE_ADDRESS_AWARE:
826 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
828 case OPTION_ENABLE_LONG_SECTION_NAMES:
829 pe_use_coff_long_section_names = 1;
831 case OPTION_DISABLE_LONG_SECTION_NAMES:
832 pe_use_coff_long_section_names = 0;
834 /* Get DLLCharacteristics bits */
835 case OPTION_DYNAMIC_BASE:
836 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
838 case OPTION_FORCE_INTEGRITY:
839 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
841 case OPTION_NX_COMPAT:
842 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
844 case OPTION_NO_ISOLATION:
845 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
848 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
851 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
853 case OPTION_WDM_DRIVER:
854 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
856 case OPTION_TERMINAL_SERVER_AWARE:
857 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
861 /* Set DLLCharacteristics bits */
862 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
870 strhash (const char *str)
872 const unsigned char *s;
879 s = (const unsigned char *) str;
880 while ((c = *s++) != '\0')
882 hash += c + (c << 17);
886 hash += len + (len << 17);
892 /* Use the output file to create a image base for relocatable DLLs. */
895 compute_dll_image_base (const char *ofile)
897 unsigned long hash = strhash (ofile);
898 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
902 /* Assign values to the special symbols before the linker script is
906 gld_${EMULATION_NAME}_set_symbols (void)
908 /* Run through and invent symbols for all the
909 names and insert the defaults. */
914 if (!init[IMAGEBASEOFF].inited)
916 if (link_info.relocatable)
917 init[IMAGEBASEOFF].value = 0;
918 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
921 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
922 ? compute_dll_image_base (output_filename)
923 : NT_DLL_IMAGE_BASE);
925 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
929 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
930 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
933 /* Don't do any symbol assignments if this is a relocatable link. */
934 if (link_info.relocatable)
937 /* Glue the assignments into the abs section. */
938 push_stat_ptr (&abs_output_section->children);
940 for (j = 0; init[j].ptr; j++)
942 long val = init[j].value;
943 lang_assignment_statement_type *rv;
945 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
947 if (init[j].size == sizeof (short))
948 *(short *) init[j].ptr = val;
949 else if (init[j].size == sizeof (int))
950 *(int *) init[j].ptr = val;
951 else if (init[j].size == sizeof (long))
952 *(long *) init[j].ptr = val;
953 /* This might be a long long or other special type. */
954 else if (init[j].size == sizeof (bfd_vma))
955 *(bfd_vma *) init[j].ptr = val;
957 if (j == IMAGEBASEOFF)
958 image_base_statement = rv;
960 /* Restore the pointer. */
963 if (pe.FileAlignment > pe.SectionAlignment)
965 einfo (_("%P: warning, file alignment > section alignment.\n"));
969 /* This is called after the linker script and the command line options
973 gld_${EMULATION_NAME}_after_parse (void)
975 /* PR ld/6744: Warn the user if they have used an ELF-only
976 option hoping it will work on PE. */
977 if (link_info.export_dynamic)
978 einfo (_("%P: warning: --export-dynamic is not supported for PE "
979 "targets, did you mean --export-all-symbols?\n"));
983 after_parse_default ();
986 /* pe-dll.c directly accesses pe_data_import_dll,
987 so it must be defined outside of #ifdef DLL_SUPPORT.
988 Note - this variable is deliberately not initialised.
989 This allows it to be treated as a common varaible, and only
990 exist in one incarnation in a multiple target enabled linker. */
991 char * pe_data_import_dll;
994 static struct bfd_link_hash_entry *pe_undef_found_sym;
997 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1001 const char *hs = h->root.string;
1003 sl = strlen (string);
1004 if (h->type == bfd_link_hash_defined
1005 && ((*hs == '@' && *string == '_'
1006 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1007 || strncmp (hs, string, sl) == 0)
1008 && h->root.string[sl] == '@')
1010 pe_undef_found_sym = h;
1017 pe_fixup_stdcalls (void)
1019 static int gave_warning_message = 0;
1020 struct bfd_link_hash_entry *undef, *sym;
1022 if (pe_dll_extra_pe_debug)
1023 printf ("%s\n", __FUNCTION__);
1025 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1026 if (undef->type == bfd_link_hash_undefined)
1028 char* at = strchr (undef->root.string, '@');
1029 int lead_at = (*undef->root.string == '@');
1031 at = strchr (undef->root.string + 1, '@');
1035 /* The symbol is a stdcall symbol, so let's look for a
1036 cdecl symbol with the same name and resolve to that. */
1037 char *cname = xstrdup (undef->root.string);
1041 at = strchr (cname, '@');
1044 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1046 if (sym && sym->type == bfd_link_hash_defined)
1048 undef->type = bfd_link_hash_defined;
1049 undef->u.def.value = sym->u.def.value;
1050 undef->u.def.section = sym->u.def.section;
1052 if (pe_enable_stdcall_fixup == -1)
1054 einfo (_("Warning: resolving %s by linking to %s\n"),
1055 undef->root.string, cname);
1056 if (! gave_warning_message)
1058 gave_warning_message = 1;
1059 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1060 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1067 /* The symbol is a cdecl symbol, so we look for stdcall
1068 symbols - which means scanning the whole symbol table. */
1069 pe_undef_found_sym = 0;
1070 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1071 (char *) undef->root.string);
1072 sym = pe_undef_found_sym;
1075 undef->type = bfd_link_hash_defined;
1076 undef->u.def.value = sym->u.def.value;
1077 undef->u.def.section = sym->u.def.section;
1079 if (pe_enable_stdcall_fixup == -1)
1081 einfo (_("Warning: resolving %s by linking to %s\n"),
1082 undef->root.string, sym->root.string);
1083 if (! gave_warning_message)
1085 gave_warning_message = 1;
1086 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1087 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1096 make_import_fixup (arelent *rel, asection *s)
1098 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1101 if (pe_dll_extra_pe_debug)
1102 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1103 (unsigned long) rel->address, (long) rel->addend);
1105 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1106 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1107 s->owner, s, rel->address);
1109 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1115 pe_find_data_imports (void)
1117 struct bfd_link_hash_entry *undef, *sym;
1119 if (link_info.pei386_auto_import == 0)
1122 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1124 if (undef->type == bfd_link_hash_undefined)
1126 /* C++ symbols are *long*. */
1129 if (pe_dll_extra_pe_debug)
1130 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1132 sprintf (buf, "__imp_%s", undef->root.string);
1134 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1136 if (sym && sym->type == bfd_link_hash_defined)
1138 bfd *b = sym->u.def.section->owner;
1142 if (link_info.pei386_auto_import == -1)
1144 static bfd_boolean warned = FALSE;
1146 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1147 undef->root.string, buf);
1149 /* PR linker/4844. */
1153 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1154 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1158 if (!bfd_generic_link_read_symbols (b))
1160 einfo (_("%B%F: could not read symbols: %E\n"), b);
1164 symbols = bfd_get_outsymbols (b);
1165 nsyms = bfd_get_symcount (b);
1167 for (i = 0; i < nsyms; i++)
1169 if (! CONST_STRNEQ (symbols[i]->name,
1173 if (pe_dll_extra_pe_debug)
1174 printf ("->%s\n", symbols[i]->name);
1176 pe_data_import_dll = (char *) (symbols[i]->name
1177 + U_SIZE ("_head_") - 1);
1181 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1184 /* Let's differentiate it somehow from defined. */
1185 undef->type = bfd_link_hash_defweak;
1186 /* We replace original name with __imp_ prefixed, this
1187 1) may trash memory 2) leads to duplicate symbol generation.
1188 Still, IMHO it's better than having name poluted. */
1189 undef->root.string = sym->root.string;
1190 undef->u.def.value = sym->u.def.value;
1191 undef->u.def.section = sym->u.def.section;
1198 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1200 printf ("+%s\n", h->string);
1204 #endif /* DLL_SUPPORT */
1207 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1209 int *found = (int *) obj;
1210 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1215 gld_${EMULATION_NAME}_after_open (void)
1217 after_open_default ();
1220 if (pe_dll_extra_pe_debug)
1223 struct bfd_link_hash_entry *sym;
1225 printf ("%s()\n", __FUNCTION__);
1227 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1228 printf ("-%s\n", sym->root.string);
1229 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1231 for (a = link_info.input_bfds; a; a = a->link_next)
1232 printf ("*%s\n",a->filename);
1236 /* Pass the wacky PE command line options into the output bfd.
1237 FIXME: This should be done via a function, rather than by
1238 including an internal BFD header. */
1240 if (coff_data (link_info.output_bfd) == NULL
1241 || coff_data (link_info.output_bfd)->pe == 0)
1242 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1243 link_info.output_bfd);
1245 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1246 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1247 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1249 /* At this point we must decide whether to use long section names
1250 in the output or not. If the user hasn't explicitly specified
1251 on the command line, we leave it to the default for the format
1252 (object files yes, image files no), except if there is debug
1253 information present; GDB relies on the long section names to
1254 find it, so enable it in that case. */
1255 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1257 /* Iterate over all sections of all input BFDs, checking
1258 for any that begin 'debug_' and are long names. */
1259 LANG_FOR_EACH_INPUT_STATEMENT (is)
1261 int found_debug = 0;
1262 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1265 pe_use_coff_long_section_names = 1;
1271 pe_output_file_set_long_section_names (link_info.output_bfd);
1274 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1275 pe_fixup_stdcalls ();
1277 pe_process_import_defs (link_info.output_bfd, &link_info);
1279 pe_find_data_imports ();
1281 /* As possibly new symbols are added by imports, we rerun
1282 stdcall/fastcall fixup here. */
1283 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1284 pe_fixup_stdcalls ();
1286 #if defined (TARGET_IS_i386pe) \
1287 || defined (TARGET_IS_armpe) \
1288 || defined (TARGET_IS_arm_epoc_pe) \
1289 || defined (TARGET_IS_arm_wince_pe)
1290 if (!link_info.relocatable)
1291 pe_dll_build_sections (link_info.output_bfd, &link_info);
1293 if (link_info.shared)
1294 pe_dll_build_sections (link_info.output_bfd, &link_info);
1296 pe_exe_build_sections (link_info.output_bfd, &link_info);
1298 #endif /* DLL_SUPPORT */
1300 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1301 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1303 /* The arm backend needs special fields in the output hash structure.
1304 These will only be created if the output format is an arm format,
1305 hence we do not support linking and changing output formats at the
1306 same time. Use a link followed by objcopy to change output formats. */
1307 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1311 /* Find a BFD that can hold the interworking stubs. */
1312 LANG_FOR_EACH_INPUT_STATEMENT (is)
1314 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1321 /* This next chunk of code tries to detect the case where you have
1322 two import libraries for the same DLL (specifically,
1323 symbolically linking libm.a and libc.a in cygwin to
1324 libcygwin.a). In those cases, it's possible for function
1325 thunks from the second implib to be used but without the
1326 head/tail objects, causing an improper import table. We detect
1327 those cases and rename the "other" import libraries to match
1328 the one the head/tail come from, so that the linker will sort
1329 things nicely and produce a valid import table. */
1331 LANG_FOR_EACH_INPUT_STATEMENT (is)
1333 if (is->the_bfd->my_archive)
1335 int idata2 = 0, reloc_count=0, is_imp = 0;
1338 /* See if this is an import library thunk. */
1339 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1341 if (strcmp (sec->name, ".idata\$2") == 0)
1343 if (CONST_STRNEQ (sec->name, ".idata\$"))
1345 reloc_count += sec->reloc_count;
1348 if (is_imp && !idata2 && reloc_count)
1350 /* It is, look for the reference to head and see if it's
1351 from our own library. */
1352 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1360 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1364 if (!bfd_generic_link_read_symbols (is->the_bfd))
1366 einfo (_("%B%F: could not read symbols: %E\n"),
1370 symbols = bfd_get_outsymbols (is->the_bfd);
1372 relocs = xmalloc ((size_t) relsize);
1373 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1378 einfo ("%X%P: unable to process relocs: %E\n");
1382 for (i = 0; i < nrelocs; i++)
1384 struct bfd_symbol *s;
1385 struct bfd_link_hash_entry * blhe;
1386 char *other_bfd_filename;
1389 s = (relocs[i]->sym_ptr_ptr)[0];
1391 if (s->flags & BSF_LOCAL)
1394 /* Thunk section with reloc to another bfd. */
1395 blhe = bfd_link_hash_lookup (link_info.hash,
1397 FALSE, FALSE, TRUE);
1400 || blhe->type != bfd_link_hash_defined)
1404 = blhe->u.def.section->owner->my_archive
1405 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1406 : bfd_get_filename (blhe->u.def.section->owner);
1408 if (filename_cmp (bfd_get_filename
1409 (is->the_bfd->my_archive),
1410 other_bfd_filename) == 0)
1413 /* Rename this implib to match the other one. */
1414 n = xmalloc (strlen (other_bfd_filename) + 1);
1415 strcpy (n, other_bfd_filename);
1416 is->the_bfd->my_archive->filename = n;
1420 /* Note - we do not free the symbols,
1421 they are now cached in the BFD. */
1431 lang_input_statement_type *is2;
1432 lang_input_statement_type *is3;
1434 /* Careful - this is a shell script. Watch those dollar signs! */
1435 /* Microsoft import libraries have every member named the same,
1436 and not in the right order for us to link them correctly. We
1437 must detect these and rename the members so that they'll link
1438 correctly. There are three types of objects: the head, the
1439 thunks, and the sentinel(s). The head is easy; it's the one
1440 with idata2. We assume that the sentinels won't have relocs,
1441 and the thunks will. It's easier than checking the symbol
1442 table for external references. */
1443 LANG_FOR_EACH_INPUT_STATEMENT (is)
1445 if (is->the_bfd->my_archive)
1448 bfd *arch = is->the_bfd->my_archive;
1450 if (cur_arch != arch)
1456 is3 && is3->the_bfd->my_archive == arch;
1457 is3 = (lang_input_statement_type *) is3->next)
1459 /* A MS dynamic import library can also contain static
1460 members, so look for the first element with a .dll
1461 extension, and use that for the remainder of the
1463 pnt = strrchr (is3->the_bfd->filename, '.');
1464 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1472 /* OK, found one. Now look to see if the remaining
1473 (dynamic import) members use the same name. */
1475 is2 && is2->the_bfd->my_archive == arch;
1476 is2 = (lang_input_statement_type *) is2->next)
1478 /* Skip static members, ie anything with a .obj
1480 pnt = strrchr (is2->the_bfd->filename, '.');
1481 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1484 if (filename_cmp (is3->the_bfd->filename,
1485 is2->the_bfd->filename))
1494 /* This fragment might have come from an .obj file in a Microsoft
1495 import, and not an actual import record. If this is the case,
1496 then leave the filename alone. */
1497 pnt = strrchr (is->the_bfd->filename, '.');
1499 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1501 int idata2 = 0, reloc_count=0;
1503 char *new_name, seq;
1505 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1507 if (strcmp (sec->name, ".idata\$2") == 0)
1509 reloc_count += sec->reloc_count;
1512 if (idata2) /* .idata2 is the TOC */
1514 else if (reloc_count > 0) /* thunks */
1519 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1520 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1521 is->the_bfd->filename = new_name;
1523 new_name = xmalloc (strlen (is->filename) + 3);
1524 sprintf (new_name, "%s.%c", is->filename, seq);
1525 is->filename = new_name;
1532 /* The following chunk of code tries to identify jump stubs in
1533 import libraries which are dead code and eliminates them
1534 from the final link. For each exported symbol <sym>, there
1535 is a object file in the import library with a .text section
1536 and several .idata\$* sections. The .text section contains the
1537 symbol definition for <sym> which is a jump stub of the form
1538 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1539 for __imp_<sym> which is the address of the slot for <sym> in
1540 the import address table. When a symbol is imported explicitly
1541 using __declspec(dllimport) declaration, the compiler generates
1542 a reference to __imp_<sym> which directly resolves to the
1543 symbol in .idata\$5, in which case the jump stub code is not
1544 needed. The following code tries to identify jump stub sections
1545 in import libraries which are not referred to by anyone and
1546 marks them for exclusion from the final link. */
1547 LANG_FOR_EACH_INPUT_STATEMENT (is)
1549 if (is->the_bfd->my_archive)
1552 asection *sec, *stub_sec = NULL;
1554 /* See if this is an import library thunk. */
1555 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1557 if (strncmp (sec->name, ".idata\$", 7) == 0)
1559 /* The section containing the jmp stub has code
1561 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1565 if (is_imp && stub_sec)
1568 long nsyms, src_count;
1569 struct bfd_link_hash_entry * blhe;
1571 if (!bfd_generic_link_read_symbols (is->the_bfd))
1573 einfo (_("%B%F: could not read symbols: %E\n"),
1577 symbols = bfd_get_outsymbols (is->the_bfd);
1578 nsyms = bfd_get_symcount (is->the_bfd);
1580 for (src_count = 0; src_count < nsyms; src_count++)
1582 if (symbols[src_count]->section->id == stub_sec->id)
1584 /* This symbol belongs to the section containing
1586 blhe = bfd_link_hash_lookup (link_info.hash,
1587 symbols[src_count]->name,
1588 FALSE, FALSE, TRUE);
1589 /* If the symbol in the stub section has no other
1590 undefined references, exclude the stub section
1591 from the final link. */
1593 && blhe->type == bfd_link_hash_defined
1594 && blhe->u.undef.next == NULL
1595 && blhe != link_info.hash->undefs_tail)
1596 stub_sec->flags |= SEC_EXCLUDE;
1606 gld_${EMULATION_NAME}_before_allocation (void)
1608 #ifdef TARGET_IS_ppcpe
1609 /* Here we rummage through the found bfds to collect toc information. */
1611 LANG_FOR_EACH_INPUT_STATEMENT (is)
1613 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1615 /* xgettext:c-format */
1616 einfo (_("Errors encountered processing file %s\n"), is->filename);
1621 /* We have seen it all. Allocate it, and carry on. */
1622 ppc_allocate_toc_section (&link_info);
1623 #endif /* TARGET_IS_ppcpe */
1625 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1626 /* FIXME: we should be able to set the size of the interworking stub
1629 Here we rummage through the found bfds to collect glue
1630 information. FIXME: should this be based on a command line
1631 option? krk@cygnus.com. */
1633 LANG_FOR_EACH_INPUT_STATEMENT (is)
1635 if (! bfd_arm_process_before_allocation
1636 (is->the_bfd, & link_info, support_old_code))
1638 /* xgettext:c-format */
1639 einfo (_("Errors encountered processing file %s for interworking\n"),
1645 /* We have seen it all. Allocate it, and carry on. */
1646 bfd_arm_allocate_interworking_sections (& link_info);
1647 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1649 before_allocation_default ();
1653 /* This is called when an input file isn't recognized as a BFD. We
1654 check here for .DEF files and pull them in automatically. */
1657 saw_option (char *option)
1661 for (i = 0; init[i].ptr; i++)
1662 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1663 return init[i].inited;
1666 #endif /* DLL_SUPPORT */
1669 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1672 const char *ext = entry->filename + strlen (entry->filename) - 4;
1674 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1676 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1680 int i, buflen=0, len;
1683 for (i = 0; i < pe_def_file->num_exports; i++)
1685 len = strlen (pe_def_file->exports[i].internal_name);
1686 if (buflen < len + 2)
1690 buf = xmalloc (buflen);
1692 for (i = 0; i < pe_def_file->num_exports; i++)
1694 struct bfd_link_hash_entry *h;
1696 sprintf (buf, "%s%s", U (""),
1697 pe_def_file->exports[i].internal_name);
1699 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1700 if (h == (struct bfd_link_hash_entry *) NULL)
1701 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1702 if (h->type == bfd_link_hash_new)
1704 h->type = bfd_link_hash_undefined;
1705 h->u.undef.abfd = NULL;
1706 bfd_link_add_undef (link_info.hash, h);
1711 /* def_file_print (stdout, pe_def_file); */
1712 if (pe_def_file->is_dll == 1)
1713 link_info.shared = 1;
1715 if (pe_def_file->base_address != (bfd_vma)(-1))
1718 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1719 = init[IMAGEBASEOFF].value
1720 = pe_def_file->base_address;
1721 init[IMAGEBASEOFF].inited = 1;
1722 if (image_base_statement)
1723 image_base_statement->exp = exp_assign ("__image_base__",
1724 exp_intop (pe.ImageBase));
1727 if (pe_def_file->stack_reserve != -1
1728 && ! saw_option ("__size_of_stack_reserve__"))
1730 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1731 if (pe_def_file->stack_commit != -1)
1732 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1734 if (pe_def_file->heap_reserve != -1
1735 && ! saw_option ("__size_of_heap_reserve__"))
1737 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1738 if (pe_def_file->heap_commit != -1)
1739 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1749 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1752 #ifdef TARGET_IS_i386pe
1753 pe_dll_id_target ("pei-i386");
1755 #ifdef TARGET_IS_shpe
1756 pe_dll_id_target ("pei-shl");
1758 #ifdef TARGET_IS_mipspe
1759 pe_dll_id_target ("pei-mips");
1761 #ifdef TARGET_IS_armpe
1762 pe_dll_id_target ("pei-arm-little");
1764 #ifdef TARGET_IS_arm_epoc_pe
1765 pe_dll_id_target ("epoc-pei-arm-little");
1767 #ifdef TARGET_IS_arm_wince_pe
1768 pe_dll_id_target ("pei-arm-wince-little");
1770 if (pe_bfd_is_dll (entry->the_bfd))
1771 return pe_implied_import_dll (entry->filename);
1777 gld_${EMULATION_NAME}_finish (void)
1779 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1780 struct bfd_link_hash_entry * h;
1782 if (thumb_entry_symbol != NULL)
1784 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1785 FALSE, FALSE, TRUE);
1787 if (h != (struct bfd_link_hash_entry *) NULL
1788 && (h->type == bfd_link_hash_defined
1789 || h->type == bfd_link_hash_defweak)
1790 && h->u.def.section->output_section != NULL)
1792 static char buffer[32];
1795 /* Special procesing is required for a Thumb entry symbol. The
1796 bottom bit of its address must be set. */
1797 val = (h->u.def.value
1798 + bfd_get_section_vma (link_info.output_bfd,
1799 h->u.def.section->output_section)
1800 + h->u.def.section->output_offset);
1804 /* Now convert this value into a string and store it in entry_symbol
1805 where the lang_finish() function will pick it up. */
1809 sprintf_vma (buffer + 2, val);
1811 if (entry_symbol.name != NULL && entry_from_cmdline)
1812 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1813 thumb_entry_symbol, entry_symbol.name);
1814 entry_symbol.name = buffer;
1817 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1819 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1824 if (link_info.shared
1825 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1826 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1830 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1831 if (pe_implib_filename)
1832 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1834 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1835 /* ARM doesn't need relocs. */
1838 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1842 if (pe_out_def_filename)
1843 pe_dll_generate_def_file (pe_out_def_filename);
1844 #endif /* DLL_SUPPORT */
1846 /* I don't know where .idata gets set as code, but it shouldn't be. */
1848 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1852 asec->flags &= ~SEC_CODE;
1853 asec->flags |= SEC_DATA;
1859 /* Place an orphan section.
1861 We use this to put sections in a reasonable place in the file, and
1862 to ensure that they are aligned as required.
1864 We handle grouped sections here as well. A section named .foo\$nn
1865 goes into the output section .foo. All grouped sections are sorted
1868 Grouped sections for the default sections are handled by the
1869 default linker script using wildcards, and are sorted by
1872 static lang_output_section_statement_type *
1873 gld_${EMULATION_NAME}_place_orphan (asection *s,
1874 const char *secname,
1877 const char *orig_secname = secname;
1878 char *dollar = NULL;
1879 lang_output_section_statement_type *os;
1880 lang_statement_list_type add_child;
1881 lang_output_section_statement_type *match_by_name = NULL;
1882 lang_statement_union_type **pl;
1884 /* Look through the script to see where to place this section. */
1885 if (!link_info.relocatable
1886 && (dollar = strchr (secname, '\$')) != NULL)
1888 size_t len = dollar - secname;
1889 char *newname = xmalloc (len + 1);
1890 memcpy (newname, secname, len);
1891 newname[len] = '\0';
1895 lang_list_init (&add_child);
1898 if (constraint == 0)
1899 for (os = lang_output_section_find (secname);
1901 os = next_matching_output_section_statement (os, 0))
1903 /* If we don't match an existing output section, tell
1904 lang_insert_orphan to create a new output section. */
1905 constraint = SPECIAL;
1907 if (os->bfd_section != NULL
1908 && (os->bfd_section->flags == 0
1909 || ((s->flags ^ os->bfd_section->flags)
1910 & (SEC_LOAD | SEC_ALLOC)) == 0))
1912 /* We already have an output section statement with this
1913 name, and its bfd section has compatible flags.
1914 If the section already exists but does not have any flags set,
1915 then it has been created by the linker, probably as a result of
1916 a --section-start command line switch. */
1917 lang_add_section (&add_child, s, os);
1921 /* Save unused output sections in case we can match them
1922 against orphans later. */
1923 if (os->bfd_section == NULL)
1927 /* If we didn't match an active output section, see if we matched an
1928 unused one and use that. */
1929 if (os == NULL && match_by_name)
1931 lang_add_section (&match_by_name->children, s, match_by_name);
1932 return match_by_name;
1937 static struct orphan_save hold[] =
1940 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1943 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1946 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1949 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1955 enum orphan_save_index
1963 static int orphan_init_done = 0;
1964 struct orphan_save *place;
1965 lang_output_section_statement_type *after;
1966 etree_type *address;
1968 if (!orphan_init_done)
1970 struct orphan_save *ho;
1971 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1972 if (ho->name != NULL)
1974 ho->os = lang_output_section_find (ho->name);
1975 if (ho->os != NULL && ho->os->flags == 0)
1976 ho->os->flags = ho->flags;
1978 orphan_init_done = 1;
1981 /* Try to put the new output section in a reasonable place based
1982 on the section name and section flags. */
1985 if ((s->flags & SEC_ALLOC) == 0)
1987 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1988 place = &hold[orphan_bss];
1989 else if ((s->flags & SEC_READONLY) == 0)
1990 place = &hold[orphan_data];
1991 else if ((s->flags & SEC_CODE) == 0)
1993 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1994 : &hold[orphan_rodata]);
1997 place = &hold[orphan_text];
2002 if (place->os == NULL)
2003 place->os = lang_output_section_find (place->name);
2006 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2008 /* *ABS* is always the first output section statement. */
2009 after = (&lang_output_section_statement.head
2010 ->output_section_statement);
2013 /* All sections in an executable must be aligned to a page boundary.
2014 In a relocatable link, just preserve the incoming alignment; the
2015 address is discarded by lang_insert_orphan in that case, anyway. */
2016 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2017 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2019 if (link_info.relocatable)
2021 os->section_alignment = s->alignment_power;
2022 os->bfd_section->alignment_power = s->alignment_power;
2026 /* If the section name has a '\$', sort it with the other '\$'
2028 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2030 lang_input_section_type *ls;
2033 if ((*pl)->header.type != lang_input_section_enum)
2036 ls = &(*pl)->input_section;
2038 lname = bfd_get_section_name (ls->section->owner, ls->section);
2039 if (strchr (lname, '\$') != NULL
2040 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2044 if (add_child.head != NULL)
2046 *add_child.tail = *pl;
2047 *pl = add_child.head;
2054 gld_${EMULATION_NAME}_open_dynamic_archive
2055 (const char *arch ATTRIBUTE_UNUSED,
2056 search_dirs_type *search,
2057 lang_input_statement_type *entry)
2061 const char * format;
2062 bfd_boolean use_prefix;
2066 /* Preferred explicit import library for dll's. */
2067 { "lib%s.dll.a", FALSE },
2068 /* Alternate explicit import library for dll's. */
2069 { "%s.dll.a", FALSE },
2070 /* "libfoo.a" could be either an import lib or a static lib.
2071 For backwards compatibility, libfoo.a needs to precede
2072 libfoo.dll and foo.dll in the search. */
2073 { "lib%s.a", FALSE },
2074 /* The 'native' spelling of an import lib name is "foo.lib". */
2075 { "%s.lib", FALSE },
2077 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2078 { "%s%s.dll", TRUE },
2080 /* Try "libfoo.dll" (default preferred dll name). */
2081 { "lib%s.dll", FALSE },
2082 /* Finally try 'native' dll name "foo.dll". */
2083 { "%s.dll", FALSE },
2084 /* Note: If adding more formats to this table, make sure to check to
2085 see if their length is longer than libname_fmt[0].format, and if
2086 so, update the call to xmalloc() below. */
2089 static unsigned int format_max_len = 0;
2090 const char * filename;
2096 if (! entry->maybe_archive)
2099 filename = entry->filename;
2101 if (format_max_len == 0)
2102 /* We need to allow space in the memory that we are going to allocate
2103 for the characters in the format string. Since the format array is
2104 static we only need to calculate this information once. In theory
2105 this value could also be computed statically, but this introduces
2106 the possibility for a discrepancy and hence a possible memory
2107 corruption. The lengths we compute here will be too long because
2108 they will include any formating characters (%s) in the strings, but
2109 this will not matter. */
2110 for (i = 0; libname_fmt[i].format; i++)
2111 if (format_max_len < strlen (libname_fmt[i].format))
2112 format_max_len = strlen (libname_fmt[i].format);
2114 full_string = xmalloc (strlen (search->name)
2118 + (pe_dll_search_prefix
2119 ? strlen (pe_dll_search_prefix) : 0)
2121 /* Allow for the terminating NUL and for the path
2122 separator character that is inserted between
2123 search->name and the start of the format string. */
2126 sprintf (full_string, "%s/", search->name);
2127 base_string = full_string + strlen (full_string);
2129 for (i = 0; libname_fmt[i].format; i++)
2132 if (libname_fmt[i].use_prefix)
2134 if (!pe_dll_search_prefix)
2136 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2140 sprintf (base_string, libname_fmt[i].format, filename);
2142 if (ldfile_try_open_bfd (full_string, entry))
2146 if (!libname_fmt[i].format)
2152 entry->filename = full_string;
2158 gld_${EMULATION_NAME}_find_potential_libraries
2159 (char *name, lang_input_statement_type *entry)
2161 return ldfile_open_file_search (name, entry, "", ".lib");
2165 gld_${EMULATION_NAME}_get_script (int *isfile)
2167 # Scripts compiled in.
2168 # sed commands to quote an ld script as a C string.
2169 sc="-f stringify.sed"
2175 if (link_info.relocatable && config.build_constructors)
2178 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2179 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2180 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2181 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2182 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2183 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2184 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2185 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2186 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2187 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2189 echo ' ; else return' >> e${EMULATION_NAME}.c
2190 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2191 echo '; }' >> e${EMULATION_NAME}.c
2196 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2198 gld_${EMULATION_NAME}_before_parse,
2201 gld_${EMULATION_NAME}_after_parse,
2202 gld_${EMULATION_NAME}_after_open,
2203 after_allocation_default,
2204 set_output_arch_default,
2205 ldemul_default_target,
2206 gld_${EMULATION_NAME}_before_allocation,
2207 gld_${EMULATION_NAME}_get_script,
2208 "${EMULATION_NAME}",
2210 gld_${EMULATION_NAME}_finish,
2211 NULL, /* Create output section statements. */
2212 gld_${EMULATION_NAME}_open_dynamic_archive,
2213 gld_${EMULATION_NAME}_place_orphan,
2214 gld_${EMULATION_NAME}_set_symbols,
2215 NULL, /* parse_args */
2216 gld${EMULATION_NAME}_add_options,
2217 gld${EMULATION_NAME}_handle_option,
2218 gld_${EMULATION_NAME}_unrecognized_file,
2219 gld_${EMULATION_NAME}_list_options,
2220 gld_${EMULATION_NAME}_recognized_file,
2221 gld_${EMULATION_NAME}_find_potential_libraries,
2222 NULL /* new_vers_pattern. */