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 if (pe_dll_extra_pe_debug)
1201 printf ("+%s\n", h->string);
1205 #endif /* DLL_SUPPORT */
1208 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1210 int *found = (int *) obj;
1211 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1216 gld_${EMULATION_NAME}_after_open (void)
1218 after_open_default ();
1221 if (pe_dll_extra_pe_debug)
1224 struct bfd_link_hash_entry *sym;
1226 printf ("%s()\n", __FUNCTION__);
1228 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1229 printf ("-%s\n", sym->root.string);
1230 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1232 for (a = link_info.input_bfds; a; a = a->link_next)
1233 printf ("*%s\n",a->filename);
1237 /* Pass the wacky PE command line options into the output bfd.
1238 FIXME: This should be done via a function, rather than by
1239 including an internal BFD header. */
1241 if (coff_data (link_info.output_bfd) == NULL
1242 || coff_data (link_info.output_bfd)->pe == 0)
1243 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1244 link_info.output_bfd);
1246 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1247 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1248 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1250 /* At this point we must decide whether to use long section names
1251 in the output or not. If the user hasn't explicitly specified
1252 on the command line, we leave it to the default for the format
1253 (object files yes, image files no), except if there is debug
1254 information present; GDB relies on the long section names to
1255 find it, so enable it in that case. */
1256 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1258 /* Iterate over all sections of all input BFDs, checking
1259 for any that begin 'debug_' and are long names. */
1260 LANG_FOR_EACH_INPUT_STATEMENT (is)
1262 int found_debug = 0;
1263 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1266 pe_use_coff_long_section_names = 1;
1272 pe_output_file_set_long_section_names (link_info.output_bfd);
1275 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1276 pe_fixup_stdcalls ();
1278 pe_process_import_defs (link_info.output_bfd, &link_info);
1280 pe_find_data_imports ();
1282 /* As possibly new symbols are added by imports, we rerun
1283 stdcall/fastcall fixup here. */
1284 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1285 pe_fixup_stdcalls ();
1287 #if defined (TARGET_IS_i386pe) \
1288 || defined (TARGET_IS_armpe) \
1289 || defined (TARGET_IS_arm_epoc_pe) \
1290 || defined (TARGET_IS_arm_wince_pe)
1291 if (!link_info.relocatable)
1292 pe_dll_build_sections (link_info.output_bfd, &link_info);
1294 if (link_info.shared)
1295 pe_dll_build_sections (link_info.output_bfd, &link_info);
1297 pe_exe_build_sections (link_info.output_bfd, &link_info);
1299 #endif /* DLL_SUPPORT */
1301 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1302 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1304 /* The arm backend needs special fields in the output hash structure.
1305 These will only be created if the output format is an arm format,
1306 hence we do not support linking and changing output formats at the
1307 same time. Use a link followed by objcopy to change output formats. */
1308 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1312 /* Find a BFD that can hold the interworking stubs. */
1313 LANG_FOR_EACH_INPUT_STATEMENT (is)
1315 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1322 /* This next chunk of code tries to detect the case where you have
1323 two import libraries for the same DLL (specifically,
1324 symbolically linking libm.a and libc.a in cygwin to
1325 libcygwin.a). In those cases, it's possible for function
1326 thunks from the second implib to be used but without the
1327 head/tail objects, causing an improper import table. We detect
1328 those cases and rename the "other" import libraries to match
1329 the one the head/tail come from, so that the linker will sort
1330 things nicely and produce a valid import table. */
1332 LANG_FOR_EACH_INPUT_STATEMENT (is)
1334 if (is->the_bfd->my_archive)
1336 int idata2 = 0, reloc_count=0, is_imp = 0;
1339 /* See if this is an import library thunk. */
1340 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1342 if (strcmp (sec->name, ".idata\$2") == 0)
1344 if (CONST_STRNEQ (sec->name, ".idata\$"))
1346 reloc_count += sec->reloc_count;
1349 if (is_imp && !idata2 && reloc_count)
1351 /* It is, look for the reference to head and see if it's
1352 from our own library. */
1353 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1361 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1365 if (!bfd_generic_link_read_symbols (is->the_bfd))
1367 einfo (_("%B%F: could not read symbols: %E\n"),
1371 symbols = bfd_get_outsymbols (is->the_bfd);
1373 relocs = xmalloc ((size_t) relsize);
1374 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1379 einfo ("%X%P: unable to process relocs: %E\n");
1383 for (i = 0; i < nrelocs; i++)
1385 struct bfd_symbol *s;
1386 struct bfd_link_hash_entry * blhe;
1387 char *other_bfd_filename;
1390 s = (relocs[i]->sym_ptr_ptr)[0];
1392 if (s->flags & BSF_LOCAL)
1395 /* Thunk section with reloc to another bfd. */
1396 blhe = bfd_link_hash_lookup (link_info.hash,
1398 FALSE, FALSE, TRUE);
1401 || blhe->type != bfd_link_hash_defined)
1405 = blhe->u.def.section->owner->my_archive
1406 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1407 : bfd_get_filename (blhe->u.def.section->owner);
1409 if (filename_cmp (bfd_get_filename
1410 (is->the_bfd->my_archive),
1411 other_bfd_filename) == 0)
1414 /* Rename this implib to match the other one. */
1415 n = xmalloc (strlen (other_bfd_filename) + 1);
1416 strcpy (n, other_bfd_filename);
1417 is->the_bfd->my_archive->filename = n;
1421 /* Note - we do not free the symbols,
1422 they are now cached in the BFD. */
1432 lang_input_statement_type *is2;
1433 lang_input_statement_type *is3;
1435 /* Careful - this is a shell script. Watch those dollar signs! */
1436 /* Microsoft import libraries have every member named the same,
1437 and not in the right order for us to link them correctly. We
1438 must detect these and rename the members so that they'll link
1439 correctly. There are three types of objects: the head, the
1440 thunks, and the sentinel(s). The head is easy; it's the one
1441 with idata2. We assume that the sentinels won't have relocs,
1442 and the thunks will. It's easier than checking the symbol
1443 table for external references. */
1444 LANG_FOR_EACH_INPUT_STATEMENT (is)
1446 if (is->the_bfd->my_archive)
1449 bfd *arch = is->the_bfd->my_archive;
1451 if (cur_arch != arch)
1457 is3 && is3->the_bfd->my_archive == arch;
1458 is3 = (lang_input_statement_type *) is3->next)
1460 /* A MS dynamic import library can also contain static
1461 members, so look for the first element with a .dll
1462 extension, and use that for the remainder of the
1464 pnt = strrchr (is3->the_bfd->filename, '.');
1465 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1473 /* OK, found one. Now look to see if the remaining
1474 (dynamic import) members use the same name. */
1476 is2 && is2->the_bfd->my_archive == arch;
1477 is2 = (lang_input_statement_type *) is2->next)
1479 /* Skip static members, ie anything with a .obj
1481 pnt = strrchr (is2->the_bfd->filename, '.');
1482 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1485 if (filename_cmp (is3->the_bfd->filename,
1486 is2->the_bfd->filename))
1495 /* This fragment might have come from an .obj file in a Microsoft
1496 import, and not an actual import record. If this is the case,
1497 then leave the filename alone. */
1498 pnt = strrchr (is->the_bfd->filename, '.');
1500 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1502 int idata2 = 0, reloc_count=0;
1504 char *new_name, seq;
1506 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1508 if (strcmp (sec->name, ".idata\$2") == 0)
1510 reloc_count += sec->reloc_count;
1513 if (idata2) /* .idata2 is the TOC */
1515 else if (reloc_count > 0) /* thunks */
1520 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1521 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1522 is->the_bfd->filename = new_name;
1524 new_name = xmalloc (strlen (is->filename) + 3);
1525 sprintf (new_name, "%s.%c", is->filename, seq);
1526 is->filename = new_name;
1533 /* The following chunk of code tries to identify jump stubs in
1534 import libraries which are dead code and eliminates them
1535 from the final link. For each exported symbol <sym>, there
1536 is a object file in the import library with a .text section
1537 and several .idata\$* sections. The .text section contains the
1538 symbol definition for <sym> which is a jump stub of the form
1539 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1540 for __imp_<sym> which is the address of the slot for <sym> in
1541 the import address table. When a symbol is imported explicitly
1542 using __declspec(dllimport) declaration, the compiler generates
1543 a reference to __imp_<sym> which directly resolves to the
1544 symbol in .idata\$5, in which case the jump stub code is not
1545 needed. The following code tries to identify jump stub sections
1546 in import libraries which are not referred to by anyone and
1547 marks them for exclusion from the final link. */
1548 LANG_FOR_EACH_INPUT_STATEMENT (is)
1550 if (is->the_bfd->my_archive)
1553 asection *sec, *stub_sec = NULL;
1555 /* See if this is an import library thunk. */
1556 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1558 if (strncmp (sec->name, ".idata\$", 7) == 0)
1560 /* The section containing the jmp stub has code
1562 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1566 if (is_imp && stub_sec)
1569 long nsyms, src_count;
1570 struct bfd_link_hash_entry * blhe;
1572 if (!bfd_generic_link_read_symbols (is->the_bfd))
1574 einfo (_("%B%F: could not read symbols: %E\n"),
1578 symbols = bfd_get_outsymbols (is->the_bfd);
1579 nsyms = bfd_get_symcount (is->the_bfd);
1581 for (src_count = 0; src_count < nsyms; src_count++)
1583 if (symbols[src_count]->section->id == stub_sec->id)
1585 /* This symbol belongs to the section containing
1587 blhe = bfd_link_hash_lookup (link_info.hash,
1588 symbols[src_count]->name,
1589 FALSE, FALSE, TRUE);
1590 /* If the symbol in the stub section has no other
1591 undefined references, exclude the stub section
1592 from the final link. */
1594 && blhe->type == bfd_link_hash_defined
1595 && blhe->u.undef.next == NULL
1596 && blhe != link_info.hash->undefs_tail)
1597 stub_sec->flags |= SEC_EXCLUDE;
1607 gld_${EMULATION_NAME}_before_allocation (void)
1609 #ifdef TARGET_IS_ppcpe
1610 /* Here we rummage through the found bfds to collect toc information. */
1612 LANG_FOR_EACH_INPUT_STATEMENT (is)
1614 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1616 /* xgettext:c-format */
1617 einfo (_("Errors encountered processing file %s\n"), is->filename);
1622 /* We have seen it all. Allocate it, and carry on. */
1623 ppc_allocate_toc_section (&link_info);
1624 #endif /* TARGET_IS_ppcpe */
1626 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1627 /* FIXME: we should be able to set the size of the interworking stub
1630 Here we rummage through the found bfds to collect glue
1631 information. FIXME: should this be based on a command line
1632 option? krk@cygnus.com. */
1634 LANG_FOR_EACH_INPUT_STATEMENT (is)
1636 if (! bfd_arm_process_before_allocation
1637 (is->the_bfd, & link_info, support_old_code))
1639 /* xgettext:c-format */
1640 einfo (_("Errors encountered processing file %s for interworking\n"),
1646 /* We have seen it all. Allocate it, and carry on. */
1647 bfd_arm_allocate_interworking_sections (& link_info);
1648 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1650 before_allocation_default ();
1654 /* This is called when an input file isn't recognized as a BFD. We
1655 check here for .DEF files and pull them in automatically. */
1658 saw_option (char *option)
1662 for (i = 0; init[i].ptr; i++)
1663 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1664 return init[i].inited;
1667 #endif /* DLL_SUPPORT */
1670 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1673 const char *ext = entry->filename + strlen (entry->filename) - 4;
1675 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1677 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1681 int i, buflen=0, len;
1684 for (i = 0; i < pe_def_file->num_exports; i++)
1686 len = strlen (pe_def_file->exports[i].internal_name);
1687 if (buflen < len + 2)
1691 buf = xmalloc (buflen);
1693 for (i = 0; i < pe_def_file->num_exports; i++)
1695 struct bfd_link_hash_entry *h;
1697 sprintf (buf, "%s%s", U (""),
1698 pe_def_file->exports[i].internal_name);
1700 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1701 if (h == (struct bfd_link_hash_entry *) NULL)
1702 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1703 if (h->type == bfd_link_hash_new)
1705 h->type = bfd_link_hash_undefined;
1706 h->u.undef.abfd = NULL;
1707 bfd_link_add_undef (link_info.hash, h);
1712 /* def_file_print (stdout, pe_def_file); */
1713 if (pe_def_file->is_dll == 1)
1714 link_info.shared = 1;
1716 if (pe_def_file->base_address != (bfd_vma)(-1))
1719 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1720 = init[IMAGEBASEOFF].value
1721 = pe_def_file->base_address;
1722 init[IMAGEBASEOFF].inited = 1;
1723 if (image_base_statement)
1724 image_base_statement->exp = exp_assign ("__image_base__",
1725 exp_intop (pe.ImageBase));
1728 if (pe_def_file->stack_reserve != -1
1729 && ! saw_option ("__size_of_stack_reserve__"))
1731 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1732 if (pe_def_file->stack_commit != -1)
1733 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1735 if (pe_def_file->heap_reserve != -1
1736 && ! saw_option ("__size_of_heap_reserve__"))
1738 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1739 if (pe_def_file->heap_commit != -1)
1740 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1750 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1753 #ifdef TARGET_IS_i386pe
1754 pe_dll_id_target ("pei-i386");
1756 #ifdef TARGET_IS_shpe
1757 pe_dll_id_target ("pei-shl");
1759 #ifdef TARGET_IS_mipspe
1760 pe_dll_id_target ("pei-mips");
1762 #ifdef TARGET_IS_armpe
1763 pe_dll_id_target ("pei-arm-little");
1765 #ifdef TARGET_IS_arm_epoc_pe
1766 pe_dll_id_target ("epoc-pei-arm-little");
1768 #ifdef TARGET_IS_arm_wince_pe
1769 pe_dll_id_target ("pei-arm-wince-little");
1771 if (pe_bfd_is_dll (entry->the_bfd))
1772 return pe_implied_import_dll (entry->filename);
1778 gld_${EMULATION_NAME}_finish (void)
1780 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1781 struct bfd_link_hash_entry * h;
1783 if (thumb_entry_symbol != NULL)
1785 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1786 FALSE, FALSE, TRUE);
1788 if (h != (struct bfd_link_hash_entry *) NULL
1789 && (h->type == bfd_link_hash_defined
1790 || h->type == bfd_link_hash_defweak)
1791 && h->u.def.section->output_section != NULL)
1793 static char buffer[32];
1796 /* Special procesing is required for a Thumb entry symbol. The
1797 bottom bit of its address must be set. */
1798 val = (h->u.def.value
1799 + bfd_get_section_vma (link_info.output_bfd,
1800 h->u.def.section->output_section)
1801 + h->u.def.section->output_offset);
1805 /* Now convert this value into a string and store it in entry_symbol
1806 where the lang_finish() function will pick it up. */
1810 sprintf_vma (buffer + 2, val);
1812 if (entry_symbol.name != NULL && entry_from_cmdline)
1813 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1814 thumb_entry_symbol, entry_symbol.name);
1815 entry_symbol.name = buffer;
1818 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1820 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1825 if (link_info.shared
1826 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1827 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1831 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1832 if (pe_implib_filename)
1833 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1835 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1836 /* ARM doesn't need relocs. */
1839 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1843 if (pe_out_def_filename)
1844 pe_dll_generate_def_file (pe_out_def_filename);
1845 #endif /* DLL_SUPPORT */
1847 /* I don't know where .idata gets set as code, but it shouldn't be. */
1849 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1853 asec->flags &= ~SEC_CODE;
1854 asec->flags |= SEC_DATA;
1860 /* Place an orphan section.
1862 We use this to put sections in a reasonable place in the file, and
1863 to ensure that they are aligned as required.
1865 We handle grouped sections here as well. A section named .foo\$nn
1866 goes into the output section .foo. All grouped sections are sorted
1869 Grouped sections for the default sections are handled by the
1870 default linker script using wildcards, and are sorted by
1873 static lang_output_section_statement_type *
1874 gld_${EMULATION_NAME}_place_orphan (asection *s,
1875 const char *secname,
1878 const char *orig_secname = secname;
1879 char *dollar = NULL;
1880 lang_output_section_statement_type *os;
1881 lang_statement_list_type add_child;
1882 lang_output_section_statement_type *match_by_name = NULL;
1883 lang_statement_union_type **pl;
1885 /* Look through the script to see where to place this section. */
1886 if (!link_info.relocatable
1887 && (dollar = strchr (secname, '\$')) != NULL)
1889 size_t len = dollar - secname;
1890 char *newname = xmalloc (len + 1);
1891 memcpy (newname, secname, len);
1892 newname[len] = '\0';
1896 lang_list_init (&add_child);
1899 if (constraint == 0)
1900 for (os = lang_output_section_find (secname);
1902 os = next_matching_output_section_statement (os, 0))
1904 /* If we don't match an existing output section, tell
1905 lang_insert_orphan to create a new output section. */
1906 constraint = SPECIAL;
1908 if (os->bfd_section != NULL
1909 && (os->bfd_section->flags == 0
1910 || ((s->flags ^ os->bfd_section->flags)
1911 & (SEC_LOAD | SEC_ALLOC)) == 0))
1913 /* We already have an output section statement with this
1914 name, and its bfd section has compatible flags.
1915 If the section already exists but does not have any flags set,
1916 then it has been created by the linker, probably as a result of
1917 a --section-start command line switch. */
1918 lang_add_section (&add_child, s, os);
1922 /* Save unused output sections in case we can match them
1923 against orphans later. */
1924 if (os->bfd_section == NULL)
1928 /* If we didn't match an active output section, see if we matched an
1929 unused one and use that. */
1930 if (os == NULL && match_by_name)
1932 lang_add_section (&match_by_name->children, s, match_by_name);
1933 return match_by_name;
1938 static struct orphan_save hold[] =
1941 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1944 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1947 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1950 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1956 enum orphan_save_index
1964 static int orphan_init_done = 0;
1965 struct orphan_save *place;
1966 lang_output_section_statement_type *after;
1967 etree_type *address;
1969 if (!orphan_init_done)
1971 struct orphan_save *ho;
1972 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1973 if (ho->name != NULL)
1975 ho->os = lang_output_section_find (ho->name);
1976 if (ho->os != NULL && ho->os->flags == 0)
1977 ho->os->flags = ho->flags;
1979 orphan_init_done = 1;
1982 /* Try to put the new output section in a reasonable place based
1983 on the section name and section flags. */
1986 if ((s->flags & SEC_ALLOC) == 0)
1988 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1989 place = &hold[orphan_bss];
1990 else if ((s->flags & SEC_READONLY) == 0)
1991 place = &hold[orphan_data];
1992 else if ((s->flags & SEC_CODE) == 0)
1994 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1995 : &hold[orphan_rodata]);
1998 place = &hold[orphan_text];
2003 if (place->os == NULL)
2004 place->os = lang_output_section_find (place->name);
2007 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2009 /* *ABS* is always the first output section statement. */
2010 after = (&lang_output_section_statement.head
2011 ->output_section_statement);
2014 /* All sections in an executable must be aligned to a page boundary.
2015 In a relocatable link, just preserve the incoming alignment; the
2016 address is discarded by lang_insert_orphan in that case, anyway. */
2017 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2018 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2020 if (link_info.relocatable)
2022 os->section_alignment = s->alignment_power;
2023 os->bfd_section->alignment_power = s->alignment_power;
2027 /* If the section name has a '\$', sort it with the other '\$'
2029 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2031 lang_input_section_type *ls;
2034 if ((*pl)->header.type != lang_input_section_enum)
2037 ls = &(*pl)->input_section;
2039 lname = bfd_get_section_name (ls->section->owner, ls->section);
2040 if (strchr (lname, '\$') != NULL
2041 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2045 if (add_child.head != NULL)
2047 *add_child.tail = *pl;
2048 *pl = add_child.head;
2055 gld_${EMULATION_NAME}_open_dynamic_archive
2056 (const char *arch ATTRIBUTE_UNUSED,
2057 search_dirs_type *search,
2058 lang_input_statement_type *entry)
2062 const char * format;
2063 bfd_boolean use_prefix;
2067 /* Preferred explicit import library for dll's. */
2068 { "lib%s.dll.a", FALSE },
2069 /* Alternate explicit import library for dll's. */
2070 { "%s.dll.a", FALSE },
2071 /* "libfoo.a" could be either an import lib or a static lib.
2072 For backwards compatibility, libfoo.a needs to precede
2073 libfoo.dll and foo.dll in the search. */
2074 { "lib%s.a", FALSE },
2075 /* The 'native' spelling of an import lib name is "foo.lib". */
2076 { "%s.lib", FALSE },
2078 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2079 { "%s%s.dll", TRUE },
2081 /* Try "libfoo.dll" (default preferred dll name). */
2082 { "lib%s.dll", FALSE },
2083 /* Finally try 'native' dll name "foo.dll". */
2084 { "%s.dll", FALSE },
2085 /* Note: If adding more formats to this table, make sure to check to
2086 see if their length is longer than libname_fmt[0].format, and if
2087 so, update the call to xmalloc() below. */
2090 static unsigned int format_max_len = 0;
2091 const char * filename;
2097 if (! entry->maybe_archive)
2100 filename = entry->filename;
2102 if (format_max_len == 0)
2103 /* We need to allow space in the memory that we are going to allocate
2104 for the characters in the format string. Since the format array is
2105 static we only need to calculate this information once. In theory
2106 this value could also be computed statically, but this introduces
2107 the possibility for a discrepancy and hence a possible memory
2108 corruption. The lengths we compute here will be too long because
2109 they will include any formating characters (%s) in the strings, but
2110 this will not matter. */
2111 for (i = 0; libname_fmt[i].format; i++)
2112 if (format_max_len < strlen (libname_fmt[i].format))
2113 format_max_len = strlen (libname_fmt[i].format);
2115 full_string = xmalloc (strlen (search->name)
2119 + (pe_dll_search_prefix
2120 ? strlen (pe_dll_search_prefix) : 0)
2122 /* Allow for the terminating NUL and for the path
2123 separator character that is inserted between
2124 search->name and the start of the format string. */
2127 sprintf (full_string, "%s/", search->name);
2128 base_string = full_string + strlen (full_string);
2130 for (i = 0; libname_fmt[i].format; i++)
2133 if (libname_fmt[i].use_prefix)
2135 if (!pe_dll_search_prefix)
2137 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2141 sprintf (base_string, libname_fmt[i].format, filename);
2143 if (ldfile_try_open_bfd (full_string, entry))
2147 if (!libname_fmt[i].format)
2153 entry->filename = full_string;
2159 gld_${EMULATION_NAME}_find_potential_libraries
2160 (char *name, lang_input_statement_type *entry)
2162 return ldfile_open_file_search (name, entry, "", ".lib");
2166 gld_${EMULATION_NAME}_get_script (int *isfile)
2168 # Scripts compiled in.
2169 # sed commands to quote an ld script as a C string.
2170 sc="-f stringify.sed"
2176 if (link_info.relocatable && config.build_constructors)
2179 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2180 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2181 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2182 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2183 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2184 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2185 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2186 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2187 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2188 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2190 echo ' ; else return' >> e${EMULATION_NAME}.c
2191 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2192 echo '; }' >> e${EMULATION_NAME}.c
2197 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2199 gld_${EMULATION_NAME}_before_parse,
2202 gld_${EMULATION_NAME}_after_parse,
2203 gld_${EMULATION_NAME}_after_open,
2204 after_allocation_default,
2205 set_output_arch_default,
2206 ldemul_default_target,
2207 gld_${EMULATION_NAME}_before_allocation,
2208 gld_${EMULATION_NAME}_get_script,
2209 "${EMULATION_NAME}",
2211 gld_${EMULATION_NAME}_finish,
2212 NULL, /* Create output section statements. */
2213 gld_${EMULATION_NAME}_open_dynamic_archive,
2214 gld_${EMULATION_NAME}_place_orphan,
2215 gld_${EMULATION_NAME}_set_symbols,
2216 NULL, /* parse_args */
2217 gld${EMULATION_NAME}_add_options,
2218 gld${EMULATION_NAME}_handle_option,
2219 gld_${EMULATION_NAME}_unrecognized_file,
2220 gld_${EMULATION_NAME}_list_options,
2221 gld_${EMULATION_NAME}_recognized_file,
2222 gld_${EMULATION_NAME}_find_potential_libraries,
2223 NULL /* new_vers_pattern. */