1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
8 rm -f e${EMULATION_NAME}.c
9 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright 1995-2013 Free Software Foundation, Inc.
13 This file is part of the GNU Binutils.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 3 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
32 /* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
36 the correct entry point by default. */
38 #define TARGET_IS_${EMULATION_NAME}
40 /* Do this before including bfd.h, so we prototype the right functions. */
42 #if defined(TARGET_IS_armpe) \
43 || defined(TARGET_IS_arm_epoc_pe) \
44 || defined(TARGET_IS_arm_wince_pe)
45 #define bfd_arm_allocate_interworking_sections \
46 bfd_${EMULATION_NAME}_allocate_interworking_sections
47 #define bfd_arm_get_bfd_for_interworking \
48 bfd_${EMULATION_NAME}_get_bfd_for_interworking
49 #define bfd_arm_process_before_allocation \
50 bfd_${EMULATION_NAME}_process_before_allocation
57 #include "libiberty.h"
58 #include "filenames.h"
69 #include "coff/internal.h"
71 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
72 header in generic PE code. */
73 #include "coff/i386.h"
76 /* FIXME: This is a BFD internal header file, and we should not be
78 #include "../bfd/libcoff.h"
82 #include "safe-ctype.h"
84 /* Permit the emulation parameters to override the default section
85 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
86 it seem that include/coff/internal.h should not define
87 PE_DEF_SECTION_ALIGNMENT. */
88 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
89 #undef PE_DEF_SECTION_ALIGNMENT
90 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
93 #if defined(TARGET_IS_i386pe) \
94 || defined(TARGET_IS_shpe) \
95 || defined(TARGET_IS_armpe) \
96 || defined(TARGET_IS_arm_epoc_pe) \
97 || defined(TARGET_IS_arm_wince_pe)
101 #if defined(TARGET_IS_i386pe)
102 #define DEFAULT_PSEUDO_RELOC_VERSION 2
104 #define DEFAULT_PSEUDO_RELOC_VERSION 1
107 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
108 #define PE_DEF_SUBSYSTEM 3
110 #undef NT_EXE_IMAGE_BASE
111 #undef PE_DEF_SECTION_ALIGNMENT
112 #undef PE_DEF_FILE_ALIGNMENT
113 #define NT_EXE_IMAGE_BASE 0x00010000
115 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
116 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
117 #define PE_DEF_SUBSYSTEM 9
119 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
120 #define PE_DEF_SUBSYSTEM 2
122 #define PE_DEF_FILE_ALIGNMENT 0x00000200
125 static struct internal_extra_pe_aouthdr pe;
127 static int pe_subsystem = ${SUBSYSTEM};
128 static flagword real_flags = 0;
129 static int support_old_code = 0;
130 static char * thumb_entry_symbol = NULL;
131 static lang_assignment_statement_type *image_base_statement = 0;
132 static unsigned short pe_dll_characteristics = 0;
135 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
136 static char *pe_out_def_filename = NULL;
137 static char *pe_implib_filename = NULL;
138 static int pe_enable_auto_image_base = 0;
139 static char *pe_dll_search_prefix = NULL;
142 extern const char *output_filename;
144 static int is_underscoring (void)
147 if (pe_leading_underscore != -1)
148 return pe_leading_underscore;
149 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
150 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
154 pe_leading_underscore = (u != 0 ? 1 : 0);
155 return pe_leading_underscore;
159 gld_${EMULATION_NAME}_before_parse (void)
162 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
163 output_filename = "${EXECUTABLE_NAME:-a.exe}";
165 input_flags.dynamic = TRUE;
166 config.has_shared = 1;
169 # Cygwin no longer wants these noisy warnings. Other PE
170 # targets might like to consider adding themselves here.
171 # See also the mail thread starting here for the reason why
172 # merge_rdata defaults to 0 for cygwin:
173 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
176 default_auto_import=1
177 default_merge_rdata=0
179 i[3-7]86-*-mingw* | x86_64-*-mingw*)
180 default_auto_import=1
181 default_merge_rdata=0
184 default_auto_import=-1
185 default_merge_rdata=1
190 link_info.pei386_auto_import = ${default_auto_import};
191 /* Use by default version. */
192 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
196 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
197 version 2 is used and auto-import is enabled. */
198 #define MERGE_RDATA_V2 ${default_merge_rdata}
200 /* PE format extra command line options. */
202 /* Used for setting flags in the PE header. */
203 #define OPTION_BASE_FILE (300 + 1)
204 #define OPTION_DLL (OPTION_BASE_FILE + 1)
205 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
206 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
207 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
208 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
209 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
210 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
211 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
212 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
213 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
214 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
215 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
216 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
217 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
218 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
219 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
220 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
221 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
222 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
223 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
224 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
225 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
226 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
227 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
228 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
229 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
230 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
231 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
232 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
233 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
234 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
235 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
236 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
237 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
238 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
239 (OPTION_EXCLUDE_LIBS + 1)
240 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
241 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
242 #define OPTION_LARGE_ADDRESS_AWARE \
243 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
244 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
245 (OPTION_LARGE_ADDRESS_AWARE + 1)
246 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
247 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
248 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
249 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
250 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
251 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
252 #define OPTION_NO_LEADING_UNDERSCORE \
253 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
254 #define OPTION_LEADING_UNDERSCORE \
255 (OPTION_NO_LEADING_UNDERSCORE + 1)
256 #define OPTION_ENABLE_LONG_SECTION_NAMES \
257 (OPTION_LEADING_UNDERSCORE + 1)
258 #define OPTION_DISABLE_LONG_SECTION_NAMES \
259 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
260 /* DLLCharacteristics flags */
261 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
262 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
263 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
264 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
265 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
266 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
267 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
268 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
271 gld${EMULATION_NAME}_add_options
272 (int ns ATTRIBUTE_UNUSED,
273 char **shortopts ATTRIBUTE_UNUSED,
275 struct option **longopts,
276 int nrl ATTRIBUTE_UNUSED,
277 struct option **really_longopts ATTRIBUTE_UNUSED)
279 static const struct option xtra_long[] =
282 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
283 {"dll", no_argument, NULL, OPTION_DLL},
284 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
285 {"heap", required_argument, NULL, OPTION_HEAP},
286 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
287 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
288 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
289 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
290 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
291 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
292 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
293 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
294 {"stack", required_argument, NULL, OPTION_STACK},
295 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
296 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
297 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
298 {"use-nul-prefixed-import-tables", no_argument, NULL,
299 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
300 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
301 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
303 /* getopt allows abbreviations, so we do this to stop it
304 from treating -o as an abbreviation for this option. */
305 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
306 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
307 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
308 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
309 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
310 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
311 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
312 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
313 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
314 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
315 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
316 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
317 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
318 /* getopt() allows abbreviations, so we do this to stop it from
319 treating -c as an abbreviation for these --compat-implib. */
320 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
321 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
322 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
323 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
324 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
325 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
326 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
327 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
328 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
329 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
330 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
331 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
332 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
334 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
335 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
336 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
337 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
338 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
339 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
340 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
341 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
342 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
343 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
344 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
345 {NULL, no_argument, NULL, 0}
349 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
350 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
353 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
354 parameters which may be input from the command line. */
363 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
364 C visible symbols can be prefixed by underscore dependent to target's
366 bfd_boolean is_c_symbol;
369 /* Get symbol name dependent to kind and C visible state of
371 #define GET_INIT_SYMBOL_NAME(IDX) \
372 (init[(IDX)].symbol \
373 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
375 /* Decorates the C visible symbol by underscore, if target requires. */
377 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
379 /* Get size of constant string for a possible underscore prefixed
381 #define U_SIZE(CSTR) \
382 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
384 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
386 static definfo init[] =
388 /* imagebase must be first */
389 #define IMAGEBASEOFF 0
390 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
392 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
393 #define MSIMAGEBASEOFF 2
394 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
395 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
396 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
397 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
398 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
399 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
400 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
401 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
402 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
404 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
406 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
407 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
408 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
409 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
410 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
411 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
412 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
413 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
414 { NULL, 0, 0, NULL, 0 , FALSE}
419 gld_${EMULATION_NAME}_list_options (FILE *file)
421 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
422 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
423 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
424 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
425 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
426 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
427 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
428 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
429 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
430 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
431 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
432 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
433 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
434 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
435 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
436 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
437 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
439 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
440 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
441 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
442 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
443 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
444 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
445 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
446 fprintf (file, _(" Exclude objects, archive members from auto\n"));
447 fprintf (file, _(" export, place into import library instead.\n"));
448 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
449 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
450 fprintf (file, _(" --out-implib <file> Generate import library\n"));
451 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
452 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
453 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
454 create __imp_<SYMBOL> as well.\n"));
455 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
456 unless user specifies one\n"));
457 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
458 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
459 an importlib, use <string><basename>.dll\n\
460 in preference to lib<basename>.dll \n"));
461 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
462 __imp_sym for DATA references\n"));
463 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
464 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
465 adding pseudo-relocations resolved at\n\
467 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
468 auto-imported DATA.\n"));
469 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
470 or linking to DLLs (esp. auto-import)\n"));
472 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
473 greater than 2 gigabytes\n"));
474 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
475 executable image files\n"));
476 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
477 in object files\n"));
478 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
479 address space layout randomization (ASLR)\n"));
480 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
481 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
482 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
483 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
484 be called in this image\n"));
485 fprintf (file, _(" --no-bind Do not bind this image\n"));
486 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
487 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
492 set_pe_name (char *name, long val)
497 /* Find the name and set it. */
498 for (i = 0; init[i].ptr; i++)
500 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
504 if (strcmp (name,"__image_base__") == 0)
505 set_pe_name (U ("__ImageBase"), val);
513 set_entry_point (void)
516 const char *initial_symbol_char;
526 { 1, "NtProcessStartup" },
527 { 2, "WinMainCRTStartup" },
528 { 3, "mainCRTStartup" },
529 { 7, "__PosixProcessStartup"},
530 { 9, "WinMainCRTStartup" },
531 {14, "mainCRTStartup" },
535 /* Entry point name for arbitrary subsystem numbers. */
536 static const char default_entry[] = "mainCRTStartup";
538 if (link_info.shared || dll)
540 #if defined (TARGET_IS_i386pe)
541 entry = "DllMainCRTStartup@12";
543 entry = "DllMainCRTStartup";
549 for (i = 0; v[i].entry; i++)
550 if (v[i].value == pe_subsystem)
553 /* If no match, use the default. */
554 if (v[i].entry != NULL)
557 entry = default_entry;
560 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
562 if (*initial_symbol_char != '\0')
566 /* lang_default_entry expects its argument to be permanently
567 allocated, so we don't free this string. */
568 alc_entry = xmalloc (strlen (initial_symbol_char)
571 strcpy (alc_entry, initial_symbol_char);
572 strcat (alc_entry, entry);
576 lang_default_entry (entry);
580 set_pe_subsystem (void)
586 unsigned long temp_subsystem;
603 /* Check for the presence of a version number. */
604 sver = strchr (optarg, ':');
606 len = strlen (optarg);
610 set_pe_name ("__major_subsystem_version__",
611 strtoul (sver + 1, &end, 0));
613 set_pe_name ("__minor_subsystem_version__",
614 strtoul (end + 1, &end, 0));
616 einfo (_("%P: warning: bad version number in -subsystem option\n"));
619 /* Check for numeric subsystem. */
620 temp_subsystem = strtoul (optarg, & end, 0);
621 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
623 /* Search list for a numeric match to use its entry point. */
624 for (i = 0; v[i].name; i++)
625 if (v[i].value == (int) temp_subsystem)
628 /* Use this subsystem. */
629 pe_subsystem = (int) temp_subsystem;
633 /* Search for subsystem by name. */
634 for (i = 0; v[i].name; i++)
635 if (strncmp (optarg, v[i].name, len) == 0
636 && v[i].name[len] == '\0')
639 if (v[i].name == NULL)
641 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
645 pe_subsystem = v[i].value;
648 set_pe_name ("__subsystem__", pe_subsystem);
655 set_pe_value (char *name)
659 set_pe_name (name, strtoul (optarg, &end, 0));
662 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
669 set_pe_stack_heap (char *resname, char *comname)
671 set_pe_value (resname);
676 set_pe_value (comname);
679 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
684 gld${EMULATION_NAME}_handle_option (int optc)
691 case OPTION_BASE_FILE:
692 link_info.base_file = fopen (optarg, FOPEN_WB);
693 if (link_info.base_file == NULL)
694 einfo (_("%F%P: cannot open base file %s\n"), optarg);
699 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
702 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
704 case OPTION_SUBSYSTEM:
707 case OPTION_MAJOR_OS_VERSION:
708 set_pe_value ("__major_os_version__");
710 case OPTION_MINOR_OS_VERSION:
711 set_pe_value ("__minor_os_version__");
713 case OPTION_MAJOR_SUBSYSTEM_VERSION:
714 set_pe_value ("__major_subsystem_version__");
716 case OPTION_MINOR_SUBSYSTEM_VERSION:
717 set_pe_value ("__minor_subsystem_version__");
719 case OPTION_MAJOR_IMAGE_VERSION:
720 set_pe_value ("__major_image_version__");
722 case OPTION_MINOR_IMAGE_VERSION:
723 set_pe_value ("__minor_image_version__");
725 case OPTION_FILE_ALIGNMENT:
726 set_pe_value ("__file_alignment__");
728 case OPTION_SECTION_ALIGNMENT:
729 set_pe_value ("__section_alignment__");
732 set_pe_name ("__dll__", 1);
734 case OPTION_IMAGE_BASE:
735 set_pe_value ("__image_base__");
737 case OPTION_SUPPORT_OLD_CODE:
738 support_old_code = 1;
740 case OPTION_THUMB_ENTRY:
741 thumb_entry_symbol = optarg;
743 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
744 pe_use_nul_prefixed_import_tables = TRUE;
746 case OPTION_NO_LEADING_UNDERSCORE:
747 pe_leading_underscore = 0;
749 case OPTION_LEADING_UNDERSCORE:
750 pe_leading_underscore = 1;
754 pe_out_def_filename = xstrdup (optarg);
756 case OPTION_EXPORT_ALL:
757 pe_dll_export_everything = 1;
759 case OPTION_EXCLUDE_SYMBOLS:
760 pe_dll_add_excludes (optarg, EXCLUDESYMS);
762 case OPTION_EXCLUDE_ALL_SYMBOLS:
763 pe_dll_exclude_all_symbols = 1;
765 case OPTION_EXCLUDE_LIBS:
766 pe_dll_add_excludes (optarg, EXCLUDELIBS);
768 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
769 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
771 case OPTION_KILL_ATS:
774 case OPTION_STDCALL_ALIASES:
775 pe_dll_stdcall_aliases = 1;
777 case OPTION_ENABLE_STDCALL_FIXUP:
778 pe_enable_stdcall_fixup = 1;
780 case OPTION_DISABLE_STDCALL_FIXUP:
781 pe_enable_stdcall_fixup = 0;
783 case OPTION_IMPLIB_FILENAME:
784 pe_implib_filename = xstrdup (optarg);
786 case OPTION_WARN_DUPLICATE_EXPORTS:
787 pe_dll_warn_dup_exports = 1;
789 case OPTION_IMP_COMPAT:
790 pe_dll_compat_implib = 1;
792 case OPTION_ENABLE_AUTO_IMAGE_BASE:
793 pe_enable_auto_image_base = 1;
795 case OPTION_DISABLE_AUTO_IMAGE_BASE:
796 pe_enable_auto_image_base = 0;
798 case OPTION_DLL_SEARCH_PREFIX:
799 pe_dll_search_prefix = xstrdup (optarg);
801 case OPTION_NO_DEFAULT_EXCLUDES:
802 pe_dll_do_default_excludes = 0;
804 case OPTION_DLL_ENABLE_AUTO_IMPORT:
805 link_info.pei386_auto_import = 1;
807 case OPTION_DLL_DISABLE_AUTO_IMPORT:
808 link_info.pei386_auto_import = 0;
810 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
811 link_info.pei386_runtime_pseudo_reloc =
812 DEFAULT_PSEUDO_RELOC_VERSION;
814 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
815 link_info.pei386_runtime_pseudo_reloc = 1;
817 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
818 link_info.pei386_runtime_pseudo_reloc = 2;
820 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
821 link_info.pei386_runtime_pseudo_reloc = 0;
823 case OPTION_ENABLE_EXTRA_PE_DEBUG:
824 pe_dll_extra_pe_debug = 1;
827 case OPTION_LARGE_ADDRESS_AWARE:
828 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
830 case OPTION_ENABLE_LONG_SECTION_NAMES:
831 pe_use_coff_long_section_names = 1;
833 case OPTION_DISABLE_LONG_SECTION_NAMES:
834 pe_use_coff_long_section_names = 0;
836 /* Get DLLCharacteristics bits */
837 case OPTION_DYNAMIC_BASE:
838 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
840 case OPTION_FORCE_INTEGRITY:
841 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
843 case OPTION_NX_COMPAT:
844 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
846 case OPTION_NO_ISOLATION:
847 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
850 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
853 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
855 case OPTION_WDM_DRIVER:
856 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
858 case OPTION_TERMINAL_SERVER_AWARE:
859 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
863 /* Set DLLCharacteristics bits */
864 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
872 strhash (const char *str)
874 const unsigned char *s;
881 s = (const unsigned char *) str;
882 while ((c = *s++) != '\0')
884 hash += c + (c << 17);
888 hash += len + (len << 17);
894 /* Use the output file to create a image base for relocatable DLLs. */
897 compute_dll_image_base (const char *ofile)
899 unsigned long hash = strhash (ofile);
900 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
904 /* Assign values to the special symbols before the linker script is
908 gld_${EMULATION_NAME}_set_symbols (void)
910 /* Run through and invent symbols for all the
911 names and insert the defaults. */
916 if (!init[IMAGEBASEOFF].inited)
918 if (link_info.relocatable)
919 init[IMAGEBASEOFF].value = 0;
920 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
923 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
924 ? compute_dll_image_base (output_filename)
925 : NT_DLL_IMAGE_BASE);
927 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
931 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
932 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
935 /* Don't do any symbol assignments if this is a relocatable link. */
936 if (link_info.relocatable)
939 /* Glue the assignments into the abs section. */
940 push_stat_ptr (&abs_output_section->children);
942 for (j = 0; init[j].ptr; j++)
944 long val = init[j].value;
945 lang_assignment_statement_type *rv;
947 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
948 exp_intop (val), FALSE));
949 if (init[j].size == sizeof (short))
950 *(short *) init[j].ptr = val;
951 else if (init[j].size == sizeof (int))
952 *(int *) init[j].ptr = val;
953 else if (init[j].size == sizeof (long))
954 *(long *) init[j].ptr = val;
955 /* This might be a long long or other special type. */
956 else if (init[j].size == sizeof (bfd_vma))
957 *(bfd_vma *) init[j].ptr = val;
959 if (j == IMAGEBASEOFF)
960 image_base_statement = rv;
962 /* Restore the pointer. */
965 if (pe.FileAlignment > pe.SectionAlignment)
967 einfo (_("%P: warning, file alignment > section alignment.\n"));
971 /* This is called after the linker script and the command line options
975 gld_${EMULATION_NAME}_after_parse (void)
977 /* PR ld/6744: Warn the user if they have used an ELF-only
978 option hoping it will work on PE. */
979 if (link_info.export_dynamic)
980 einfo (_("%P: warning: --export-dynamic is not supported for PE "
981 "targets, did you mean --export-all-symbols?\n"));
985 after_parse_default ();
988 /* pe-dll.c directly accesses pe_data_import_dll,
989 so it must be defined outside of #ifdef DLL_SUPPORT.
990 Note - this variable is deliberately not initialised.
991 This allows it to be treated as a common varaible, and only
992 exist in one incarnation in a multiple target enabled linker. */
993 char * pe_data_import_dll;
996 static struct bfd_link_hash_entry *pe_undef_found_sym;
999 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1003 const char *hs = h->root.string;
1005 sl = strlen (string);
1006 if (h->type == bfd_link_hash_defined
1007 && ((*hs == '@' && *string == '_'
1008 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1009 || strncmp (hs, string, sl) == 0)
1010 && h->root.string[sl] == '@')
1012 pe_undef_found_sym = h;
1019 pe_fixup_stdcalls (void)
1021 static int gave_warning_message = 0;
1022 struct bfd_link_hash_entry *undef, *sym;
1024 if (pe_dll_extra_pe_debug)
1025 printf ("%s\n", __FUNCTION__);
1027 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1028 if (undef->type == bfd_link_hash_undefined)
1030 char* at = strchr (undef->root.string, '@');
1031 int lead_at = (*undef->root.string == '@');
1033 at = strchr (undef->root.string + 1, '@');
1037 /* The symbol is a stdcall symbol, so let's look for a
1038 cdecl symbol with the same name and resolve to that. */
1039 char *cname = xstrdup (undef->root.string);
1043 at = strchr (cname, '@');
1046 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1048 if (sym && sym->type == bfd_link_hash_defined)
1050 undef->type = bfd_link_hash_defined;
1051 undef->u.def.value = sym->u.def.value;
1052 undef->u.def.section = sym->u.def.section;
1054 if (pe_enable_stdcall_fixup == -1)
1056 einfo (_("Warning: resolving %s by linking to %s\n"),
1057 undef->root.string, cname);
1058 if (! gave_warning_message)
1060 gave_warning_message = 1;
1061 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1062 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1069 /* The symbol is a cdecl symbol, so we look for stdcall
1070 symbols - which means scanning the whole symbol table. */
1071 pe_undef_found_sym = 0;
1072 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1073 (char *) undef->root.string);
1074 sym = pe_undef_found_sym;
1077 undef->type = bfd_link_hash_defined;
1078 undef->u.def.value = sym->u.def.value;
1079 undef->u.def.section = sym->u.def.section;
1081 if (pe_enable_stdcall_fixup == -1)
1083 einfo (_("Warning: resolving %s by linking to %s\n"),
1084 undef->root.string, sym->root.string);
1085 if (! gave_warning_message)
1087 gave_warning_message = 1;
1088 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1089 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1098 make_import_fixup (arelent *rel, asection *s)
1100 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1103 if (pe_dll_extra_pe_debug)
1104 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1105 (unsigned long) rel->address, (long) rel->addend);
1107 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1108 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1109 s->owner, s, rel->address);
1111 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1117 pe_find_data_imports (void)
1119 struct bfd_link_hash_entry *undef, *sym;
1121 if (link_info.pei386_auto_import == 0)
1124 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1126 if (undef->type == bfd_link_hash_undefined)
1128 /* C++ symbols are *long*. */
1131 if (pe_dll_extra_pe_debug)
1132 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1134 sprintf (buf, "__imp_%s", undef->root.string);
1136 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1138 if (sym && sym->type == bfd_link_hash_defined)
1140 bfd *b = sym->u.def.section->owner;
1144 if (link_info.pei386_auto_import == -1)
1146 static bfd_boolean warned = FALSE;
1148 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1149 undef->root.string, buf);
1151 /* PR linker/4844. */
1155 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1156 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1160 if (!bfd_generic_link_read_symbols (b))
1162 einfo (_("%B%F: could not read symbols: %E\n"), b);
1166 symbols = bfd_get_outsymbols (b);
1167 nsyms = bfd_get_symcount (b);
1169 for (i = 0; i < nsyms; i++)
1171 if (! CONST_STRNEQ (symbols[i]->name,
1175 if (pe_dll_extra_pe_debug)
1176 printf ("->%s\n", symbols[i]->name);
1178 pe_data_import_dll = (char *) (symbols[i]->name
1179 + U_SIZE ("_head_") - 1);
1183 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1186 /* Let's differentiate it somehow from defined. */
1187 undef->type = bfd_link_hash_defweak;
1188 /* We replace original name with __imp_ prefixed, this
1189 1) may trash memory 2) leads to duplicate symbol generation.
1190 Still, IMHO it's better than having name poluted. */
1191 undef->root.string = sym->root.string;
1192 undef->u.def.value = sym->u.def.value;
1193 undef->u.def.section = sym->u.def.section;
1200 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1202 printf ("+%s\n", h->string);
1206 #endif /* DLL_SUPPORT */
1209 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1211 int *found = (int *) obj;
1212 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1217 gld_${EMULATION_NAME}_after_open (void)
1219 after_open_default ();
1222 if (pe_dll_extra_pe_debug)
1225 struct bfd_link_hash_entry *sym;
1227 printf ("%s()\n", __FUNCTION__);
1229 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1230 printf ("-%s\n", sym->root.string);
1231 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1233 for (a = link_info.input_bfds; a; a = a->link_next)
1234 printf ("*%s\n",a->filename);
1238 /* Pass the wacky PE command line options into the output bfd.
1239 FIXME: This should be done via a function, rather than by
1240 including an internal BFD header. */
1242 if (coff_data (link_info.output_bfd) == NULL
1243 || coff_data (link_info.output_bfd)->pe == 0)
1244 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1245 link_info.output_bfd);
1247 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1248 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1249 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1251 /* At this point we must decide whether to use long section names
1252 in the output or not. If the user hasn't explicitly specified
1253 on the command line, we leave it to the default for the format
1254 (object files yes, image files no), except if there is debug
1255 information present; GDB relies on the long section names to
1256 find it, so enable it in that case. */
1257 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1259 /* Iterate over all sections of all input BFDs, checking
1260 for any that begin 'debug_' and are long names. */
1261 LANG_FOR_EACH_INPUT_STATEMENT (is)
1263 int found_debug = 0;
1264 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1267 pe_use_coff_long_section_names = 1;
1273 pe_output_file_set_long_section_names (link_info.output_bfd);
1276 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1277 pe_fixup_stdcalls ();
1279 pe_process_import_defs (link_info.output_bfd, &link_info);
1281 pe_find_data_imports ();
1283 /* As possibly new symbols are added by imports, we rerun
1284 stdcall/fastcall fixup here. */
1285 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1286 pe_fixup_stdcalls ();
1288 #if defined (TARGET_IS_i386pe) \
1289 || defined (TARGET_IS_armpe) \
1290 || defined (TARGET_IS_arm_epoc_pe) \
1291 || defined (TARGET_IS_arm_wince_pe)
1292 if (!link_info.relocatable)
1293 pe_dll_build_sections (link_info.output_bfd, &link_info);
1295 if (link_info.shared)
1296 pe_dll_build_sections (link_info.output_bfd, &link_info);
1298 pe_exe_build_sections (link_info.output_bfd, &link_info);
1300 #endif /* DLL_SUPPORT */
1302 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1303 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1305 /* The arm backend needs special fields in the output hash structure.
1306 These will only be created if the output format is an arm format,
1307 hence we do not support linking and changing output formats at the
1308 same time. Use a link followed by objcopy to change output formats. */
1309 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1313 /* Find a BFD that can hold the interworking stubs. */
1314 LANG_FOR_EACH_INPUT_STATEMENT (is)
1316 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1323 /* This next chunk of code tries to detect the case where you have
1324 two import libraries for the same DLL (specifically,
1325 symbolically linking libm.a and libc.a in cygwin to
1326 libcygwin.a). In those cases, it's possible for function
1327 thunks from the second implib to be used but without the
1328 head/tail objects, causing an improper import table. We detect
1329 those cases and rename the "other" import libraries to match
1330 the one the head/tail come from, so that the linker will sort
1331 things nicely and produce a valid import table. */
1333 LANG_FOR_EACH_INPUT_STATEMENT (is)
1335 if (is->the_bfd->my_archive)
1337 int idata2 = 0, reloc_count=0, is_imp = 0;
1340 /* See if this is an import library thunk. */
1341 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1343 if (strcmp (sec->name, ".idata\$2") == 0)
1345 if (CONST_STRNEQ (sec->name, ".idata\$"))
1347 reloc_count += sec->reloc_count;
1350 if (is_imp && !idata2 && reloc_count)
1352 /* It is, look for the reference to head and see if it's
1353 from our own library. */
1354 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1362 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1366 if (!bfd_generic_link_read_symbols (is->the_bfd))
1368 einfo (_("%B%F: could not read symbols: %E\n"),
1372 symbols = bfd_get_outsymbols (is->the_bfd);
1374 relocs = xmalloc ((size_t) relsize);
1375 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1380 einfo ("%X%P: unable to process relocs: %E\n");
1384 for (i = 0; i < nrelocs; i++)
1386 struct bfd_symbol *s;
1387 struct bfd_link_hash_entry * blhe;
1388 char *other_bfd_filename;
1391 s = (relocs[i]->sym_ptr_ptr)[0];
1393 if (s->flags & BSF_LOCAL)
1396 /* Thunk section with reloc to another bfd. */
1397 blhe = bfd_link_hash_lookup (link_info.hash,
1399 FALSE, FALSE, TRUE);
1402 || blhe->type != bfd_link_hash_defined)
1406 = blhe->u.def.section->owner->my_archive
1407 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1408 : bfd_get_filename (blhe->u.def.section->owner);
1410 if (filename_cmp (bfd_get_filename
1411 (is->the_bfd->my_archive),
1412 other_bfd_filename) == 0)
1415 /* Rename this implib to match the other one. */
1416 n = xmalloc (strlen (other_bfd_filename) + 1);
1417 strcpy (n, other_bfd_filename);
1418 is->the_bfd->my_archive->filename = n;
1422 /* Note - we do not free the symbols,
1423 they are now cached in the BFD. */
1433 lang_input_statement_type *is2;
1434 lang_input_statement_type *is3;
1436 /* Careful - this is a shell script. Watch those dollar signs! */
1437 /* Microsoft import libraries have every member named the same,
1438 and not in the right order for us to link them correctly. We
1439 must detect these and rename the members so that they'll link
1440 correctly. There are three types of objects: the head, the
1441 thunks, and the sentinel(s). The head is easy; it's the one
1442 with idata2. We assume that the sentinels won't have relocs,
1443 and the thunks will. It's easier than checking the symbol
1444 table for external references. */
1445 LANG_FOR_EACH_INPUT_STATEMENT (is)
1447 if (is->the_bfd->my_archive)
1450 bfd *arch = is->the_bfd->my_archive;
1452 if (cur_arch != arch)
1458 is3 && is3->the_bfd->my_archive == arch;
1459 is3 = (lang_input_statement_type *) is3->next)
1461 /* A MS dynamic import library can also contain static
1462 members, so look for the first element with a .dll
1463 extension, and use that for the remainder of the
1465 pnt = strrchr (is3->the_bfd->filename, '.');
1466 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1474 /* OK, found one. Now look to see if the remaining
1475 (dynamic import) members use the same name. */
1477 is2 && is2->the_bfd->my_archive == arch;
1478 is2 = (lang_input_statement_type *) is2->next)
1480 /* Skip static members, ie anything with a .obj
1482 pnt = strrchr (is2->the_bfd->filename, '.');
1483 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1486 if (filename_cmp (is3->the_bfd->filename,
1487 is2->the_bfd->filename))
1496 /* This fragment might have come from an .obj file in a Microsoft
1497 import, and not an actual import record. If this is the case,
1498 then leave the filename alone. */
1499 pnt = strrchr (is->the_bfd->filename, '.');
1501 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1503 int idata2 = 0, reloc_count=0;
1505 char *new_name, seq;
1507 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1509 if (strcmp (sec->name, ".idata\$2") == 0)
1511 reloc_count += sec->reloc_count;
1514 if (idata2) /* .idata2 is the TOC */
1516 else if (reloc_count > 0) /* thunks */
1521 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1522 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1523 is->the_bfd->filename = new_name;
1525 new_name = xmalloc (strlen (is->filename) + 3);
1526 sprintf (new_name, "%s.%c", is->filename, seq);
1527 is->filename = new_name;
1534 /* The following chunk of code tries to identify jump stubs in
1535 import libraries which are dead code and eliminates them
1536 from the final link. For each exported symbol <sym>, there
1537 is a object file in the import library with a .text section
1538 and several .idata\$* sections. The .text section contains the
1539 symbol definition for <sym> which is a jump stub of the form
1540 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1541 for __imp_<sym> which is the address of the slot for <sym> in
1542 the import address table. When a symbol is imported explicitly
1543 using __declspec(dllimport) declaration, the compiler generates
1544 a reference to __imp_<sym> which directly resolves to the
1545 symbol in .idata\$5, in which case the jump stub code is not
1546 needed. The following code tries to identify jump stub sections
1547 in import libraries which are not referred to by anyone and
1548 marks them for exclusion from the final link. */
1549 LANG_FOR_EACH_INPUT_STATEMENT (is)
1551 if (is->the_bfd->my_archive)
1554 asection *sec, *stub_sec = NULL;
1556 /* See if this is an import library thunk. */
1557 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1559 if (strncmp (sec->name, ".idata\$", 7) == 0)
1561 /* The section containing the jmp stub has code
1563 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1567 if (is_imp && stub_sec)
1570 long nsyms, src_count;
1571 struct bfd_link_hash_entry * blhe;
1573 if (!bfd_generic_link_read_symbols (is->the_bfd))
1575 einfo (_("%B%F: could not read symbols: %E\n"),
1579 symbols = bfd_get_outsymbols (is->the_bfd);
1580 nsyms = bfd_get_symcount (is->the_bfd);
1582 for (src_count = 0; src_count < nsyms; src_count++)
1584 if (symbols[src_count]->section->id == stub_sec->id)
1586 /* This symbol belongs to the section containing
1588 blhe = bfd_link_hash_lookup (link_info.hash,
1589 symbols[src_count]->name,
1590 FALSE, FALSE, TRUE);
1591 /* If the symbol in the stub section has no other
1592 undefined references, exclude the stub section
1593 from the final link. */
1595 && blhe->type == bfd_link_hash_defined
1596 && blhe->u.undef.next == NULL
1597 && blhe != link_info.hash->undefs_tail)
1598 stub_sec->flags |= SEC_EXCLUDE;
1608 gld_${EMULATION_NAME}_before_allocation (void)
1610 #ifdef TARGET_IS_ppcpe
1611 /* Here we rummage through the found bfds to collect toc information. */
1613 LANG_FOR_EACH_INPUT_STATEMENT (is)
1615 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1617 /* xgettext:c-format */
1618 einfo (_("Errors encountered processing file %s\n"), is->filename);
1623 /* We have seen it all. Allocate it, and carry on. */
1624 ppc_allocate_toc_section (&link_info);
1625 #endif /* TARGET_IS_ppcpe */
1627 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1628 /* FIXME: we should be able to set the size of the interworking stub
1631 Here we rummage through the found bfds to collect glue
1632 information. FIXME: should this be based on a command line
1633 option? krk@cygnus.com. */
1635 LANG_FOR_EACH_INPUT_STATEMENT (is)
1637 if (! bfd_arm_process_before_allocation
1638 (is->the_bfd, & link_info, support_old_code))
1640 /* xgettext:c-format */
1641 einfo (_("Errors encountered processing file %s for interworking\n"),
1647 /* We have seen it all. Allocate it, and carry on. */
1648 bfd_arm_allocate_interworking_sections (& link_info);
1649 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1651 before_allocation_default ();
1655 /* This is called when an input file isn't recognized as a BFD. We
1656 check here for .DEF files and pull them in automatically. */
1659 saw_option (char *option)
1663 for (i = 0; init[i].ptr; i++)
1664 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1665 return init[i].inited;
1668 #endif /* DLL_SUPPORT */
1671 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1674 const char *ext = entry->filename + strlen (entry->filename) - 4;
1676 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1678 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1682 int i, buflen=0, len;
1685 for (i = 0; i < pe_def_file->num_exports; i++)
1687 len = strlen (pe_def_file->exports[i].internal_name);
1688 if (buflen < len + 2)
1692 buf = xmalloc (buflen);
1694 for (i = 0; i < pe_def_file->num_exports; i++)
1696 struct bfd_link_hash_entry *h;
1698 sprintf (buf, "%s%s", U (""),
1699 pe_def_file->exports[i].internal_name);
1701 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1702 if (h == (struct bfd_link_hash_entry *) NULL)
1703 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1704 if (h->type == bfd_link_hash_new)
1706 h->type = bfd_link_hash_undefined;
1707 h->u.undef.abfd = NULL;
1708 bfd_link_add_undef (link_info.hash, h);
1713 /* def_file_print (stdout, pe_def_file); */
1714 if (pe_def_file->is_dll == 1)
1715 link_info.shared = 1;
1717 if (pe_def_file->base_address != (bfd_vma)(-1))
1720 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1721 = init[IMAGEBASEOFF].value
1722 = pe_def_file->base_address;
1723 init[IMAGEBASEOFF].inited = 1;
1724 if (image_base_statement)
1725 image_base_statement->exp
1726 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1730 if (pe_def_file->stack_reserve != -1
1731 && ! saw_option ("__size_of_stack_reserve__"))
1733 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1734 if (pe_def_file->stack_commit != -1)
1735 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1737 if (pe_def_file->heap_reserve != -1
1738 && ! saw_option ("__size_of_heap_reserve__"))
1740 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1741 if (pe_def_file->heap_commit != -1)
1742 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1752 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1755 #ifdef TARGET_IS_i386pe
1756 pe_dll_id_target ("pei-i386");
1758 #ifdef TARGET_IS_shpe
1759 pe_dll_id_target ("pei-shl");
1761 #ifdef TARGET_IS_armpe
1762 pe_dll_id_target ("pei-arm-little");
1764 #ifdef TARGET_IS_arm_epoc_pe
1765 pe_dll_id_target ("epoc-pei-arm-little");
1767 #ifdef TARGET_IS_arm_wince_pe
1768 pe_dll_id_target ("pei-arm-wince-little");
1770 if (pe_bfd_is_dll (entry->the_bfd))
1771 return pe_implied_import_dll (entry->filename);
1777 gld_${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)
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)
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, NULL, 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, NULL, 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->flags.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. */