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_mipspe) \
96 || defined(TARGET_IS_armpe) \
97 || defined(TARGET_IS_arm_epoc_pe) \
98 || defined(TARGET_IS_arm_wince_pe)
102 #if defined(TARGET_IS_i386pe)
103 #define DEFAULT_PSEUDO_RELOC_VERSION 2
105 #define DEFAULT_PSEUDO_RELOC_VERSION 1
108 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
109 #define PE_DEF_SUBSYSTEM 3
111 #undef NT_EXE_IMAGE_BASE
112 #undef PE_DEF_SECTION_ALIGNMENT
113 #undef PE_DEF_FILE_ALIGNMENT
114 #define NT_EXE_IMAGE_BASE 0x00010000
116 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
117 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
118 #define PE_DEF_SUBSYSTEM 9
120 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
121 #define PE_DEF_SUBSYSTEM 2
123 #define PE_DEF_FILE_ALIGNMENT 0x00000200
126 static struct internal_extra_pe_aouthdr pe;
128 static int pe_subsystem = ${SUBSYSTEM};
129 static flagword real_flags = 0;
130 static int support_old_code = 0;
131 static char * thumb_entry_symbol = NULL;
132 static lang_assignment_statement_type *image_base_statement = 0;
133 static unsigned short pe_dll_characteristics = 0;
136 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
137 static char *pe_out_def_filename = NULL;
138 static char *pe_implib_filename = NULL;
139 static int pe_enable_auto_image_base = 0;
140 static char *pe_dll_search_prefix = NULL;
143 extern const char *output_filename;
145 static int is_underscoring (void)
148 if (pe_leading_underscore != -1)
149 return pe_leading_underscore;
150 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
151 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
155 pe_leading_underscore = (u != 0 ? 1 : 0);
156 return pe_leading_underscore;
160 gld_${EMULATION_NAME}_before_parse (void)
163 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
164 output_filename = "${EXECUTABLE_NAME:-a.exe}";
166 input_flags.dynamic = TRUE;
167 config.has_shared = 1;
170 # Cygwin no longer wants these noisy warnings. Other PE
171 # targets might like to consider adding themselves here.
172 # See also the mail thread starting here for the reason why
173 # merge_rdata defaults to 0 for cygwin:
174 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
177 default_auto_import=1
178 default_merge_rdata=0
180 i[3-7]86-*-mingw* | x86_64-*-mingw*)
181 default_auto_import=1
182 default_merge_rdata=0
185 default_auto_import=-1
186 default_merge_rdata=1
191 link_info.pei386_auto_import = ${default_auto_import};
192 /* Use by default version. */
193 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
197 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
198 version 2 is used and auto-import is enabled. */
199 #define MERGE_RDATA_V2 ${default_merge_rdata}
201 /* PE format extra command line options. */
203 /* Used for setting flags in the PE header. */
204 #define OPTION_BASE_FILE (300 + 1)
205 #define OPTION_DLL (OPTION_BASE_FILE + 1)
206 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
207 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
208 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
209 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
210 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
211 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
212 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
213 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
214 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
215 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
216 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
217 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
218 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
219 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
220 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
221 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
222 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
223 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
224 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
225 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
226 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
227 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
228 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
229 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
230 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
231 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
232 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
233 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
234 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
235 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
236 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
237 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
238 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
239 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
240 (OPTION_EXCLUDE_LIBS + 1)
241 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
242 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
243 #define OPTION_LARGE_ADDRESS_AWARE \
244 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
245 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
246 (OPTION_LARGE_ADDRESS_AWARE + 1)
247 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
248 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
249 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
250 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
251 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
252 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
253 #define OPTION_NO_LEADING_UNDERSCORE \
254 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
255 #define OPTION_LEADING_UNDERSCORE \
256 (OPTION_NO_LEADING_UNDERSCORE + 1)
257 #define OPTION_ENABLE_LONG_SECTION_NAMES \
258 (OPTION_LEADING_UNDERSCORE + 1)
259 #define OPTION_DISABLE_LONG_SECTION_NAMES \
260 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
261 /* DLLCharacteristics flags */
262 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
263 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
264 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
265 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
266 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
267 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
268 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
269 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
272 gld${EMULATION_NAME}_add_options
273 (int ns ATTRIBUTE_UNUSED,
274 char **shortopts ATTRIBUTE_UNUSED,
276 struct option **longopts,
277 int nrl ATTRIBUTE_UNUSED,
278 struct option **really_longopts ATTRIBUTE_UNUSED)
280 static const struct option xtra_long[] =
283 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
284 {"dll", no_argument, NULL, OPTION_DLL},
285 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
286 {"heap", required_argument, NULL, OPTION_HEAP},
287 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
288 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
289 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
290 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
291 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
292 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
293 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
294 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
295 {"stack", required_argument, NULL, OPTION_STACK},
296 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
297 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
298 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
299 {"use-nul-prefixed-import-tables", no_argument, NULL,
300 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
301 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
302 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
304 /* getopt allows abbreviations, so we do this to stop it
305 from treating -o as an abbreviation for this option. */
306 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
307 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
308 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
309 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
310 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
311 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
312 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
313 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
314 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
315 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
316 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
317 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
318 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
319 /* getopt() allows abbreviations, so we do this to stop it from
320 treating -c as an abbreviation for these --compat-implib. */
321 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
322 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
323 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
324 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
325 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
326 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
327 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
328 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
329 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
330 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
331 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
332 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
333 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
335 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
336 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
337 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
338 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
339 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
340 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
341 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
342 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
343 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
344 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
345 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
346 {NULL, no_argument, NULL, 0}
350 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
351 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
354 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
355 parameters which may be input from the command line. */
364 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
365 C visible symbols can be prefixed by underscore dependent to target's
367 bfd_boolean is_c_symbol;
370 /* Get symbol name dependent to kind and C visible state of
372 #define GET_INIT_SYMBOL_NAME(IDX) \
373 (init[(IDX)].symbol \
374 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
376 /* Decorates the C visible symbol by underscore, if target requires. */
378 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
380 /* Get size of constant string for a possible underscore prefixed
382 #define U_SIZE(CSTR) \
383 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
385 #define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
387 static definfo init[] =
389 /* imagebase must be first */
390 #define IMAGEBASEOFF 0
391 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
393 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
394 #define MSIMAGEBASEOFF 2
395 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
396 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
397 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
398 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
399 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
400 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
401 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
402 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
403 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
405 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
407 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
408 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
409 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
410 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
411 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
412 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
413 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
414 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
415 { NULL, 0, 0, NULL, 0 , FALSE}
420 gld_${EMULATION_NAME}_list_options (FILE *file)
422 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
423 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
424 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
425 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
426 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
427 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
428 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
429 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
430 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
431 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
432 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
433 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
434 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
435 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
436 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
437 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
438 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
440 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
441 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
442 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
443 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
444 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
445 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
446 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
447 fprintf (file, _(" Exclude objects, archive members from auto\n"));
448 fprintf (file, _(" export, place into import library instead.\n"));
449 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
450 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
451 fprintf (file, _(" --out-implib <file> Generate import library\n"));
452 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
453 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
454 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
455 create __imp_<SYMBOL> as well.\n"));
456 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
457 unless user specifies one\n"));
458 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
459 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
460 an importlib, use <string><basename>.dll\n\
461 in preference to lib<basename>.dll \n"));
462 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
463 __imp_sym for DATA references\n"));
464 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
465 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
466 adding pseudo-relocations resolved at\n\
468 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
469 auto-imported DATA.\n"));
470 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
471 or linking to DLLs (esp. auto-import)\n"));
473 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
474 greater than 2 gigabytes\n"));
475 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
476 executable image files\n"));
477 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
478 in object files\n"));
479 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
480 address space layout randomization (ASLR)\n"));
481 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
482 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
483 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
484 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
485 be called in this image\n"));
486 fprintf (file, _(" --no-bind Do not bind this image\n"));
487 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
488 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
493 set_pe_name (char *name, long val)
498 /* Find the name and set it. */
499 for (i = 0; init[i].ptr; i++)
501 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
505 if (strcmp (name,"__image_base__") == 0)
506 set_pe_name (U ("__ImageBase"), val);
514 set_entry_point (void)
517 const char *initial_symbol_char;
527 { 1, "NtProcessStartup" },
528 { 2, "WinMainCRTStartup" },
529 { 3, "mainCRTStartup" },
530 { 7, "__PosixProcessStartup"},
531 { 9, "WinMainCRTStartup" },
532 {14, "mainCRTStartup" },
536 /* Entry point name for arbitrary subsystem numbers. */
537 static const char default_entry[] = "mainCRTStartup";
539 if (link_info.shared || dll)
541 #if defined (TARGET_IS_i386pe)
542 entry = "DllMainCRTStartup@12";
544 entry = "DllMainCRTStartup";
550 for (i = 0; v[i].entry; i++)
551 if (v[i].value == pe_subsystem)
554 /* If no match, use the default. */
555 if (v[i].entry != NULL)
558 entry = default_entry;
561 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
563 if (*initial_symbol_char != '\0')
567 /* lang_default_entry expects its argument to be permanently
568 allocated, so we don't free this string. */
569 alc_entry = xmalloc (strlen (initial_symbol_char)
572 strcpy (alc_entry, initial_symbol_char);
573 strcat (alc_entry, entry);
577 lang_default_entry (entry);
581 set_pe_subsystem (void)
587 unsigned long temp_subsystem;
604 /* Check for the presence of a version number. */
605 sver = strchr (optarg, ':');
607 len = strlen (optarg);
611 set_pe_name ("__major_subsystem_version__",
612 strtoul (sver + 1, &end, 0));
614 set_pe_name ("__minor_subsystem_version__",
615 strtoul (end + 1, &end, 0));
617 einfo (_("%P: warning: bad version number in -subsystem option\n"));
620 /* Check for numeric subsystem. */
621 temp_subsystem = strtoul (optarg, & end, 0);
622 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
624 /* Search list for a numeric match to use its entry point. */
625 for (i = 0; v[i].name; i++)
626 if (v[i].value == (int) temp_subsystem)
629 /* Use this subsystem. */
630 pe_subsystem = (int) temp_subsystem;
634 /* Search for subsystem by name. */
635 for (i = 0; v[i].name; i++)
636 if (strncmp (optarg, v[i].name, len) == 0
637 && v[i].name[len] == '\0')
640 if (v[i].name == NULL)
642 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
646 pe_subsystem = v[i].value;
649 set_pe_name ("__subsystem__", pe_subsystem);
656 set_pe_value (char *name)
660 set_pe_name (name, strtoul (optarg, &end, 0));
663 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
670 set_pe_stack_heap (char *resname, char *comname)
672 set_pe_value (resname);
677 set_pe_value (comname);
680 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
685 gld${EMULATION_NAME}_handle_option (int optc)
692 case OPTION_BASE_FILE:
693 link_info.base_file = fopen (optarg, FOPEN_WB);
694 if (link_info.base_file == NULL)
695 einfo (_("%F%P: cannot open base file %s\n"), optarg);
700 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
703 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
705 case OPTION_SUBSYSTEM:
708 case OPTION_MAJOR_OS_VERSION:
709 set_pe_value ("__major_os_version__");
711 case OPTION_MINOR_OS_VERSION:
712 set_pe_value ("__minor_os_version__");
714 case OPTION_MAJOR_SUBSYSTEM_VERSION:
715 set_pe_value ("__major_subsystem_version__");
717 case OPTION_MINOR_SUBSYSTEM_VERSION:
718 set_pe_value ("__minor_subsystem_version__");
720 case OPTION_MAJOR_IMAGE_VERSION:
721 set_pe_value ("__major_image_version__");
723 case OPTION_MINOR_IMAGE_VERSION:
724 set_pe_value ("__minor_image_version__");
726 case OPTION_FILE_ALIGNMENT:
727 set_pe_value ("__file_alignment__");
729 case OPTION_SECTION_ALIGNMENT:
730 set_pe_value ("__section_alignment__");
733 set_pe_name ("__dll__", 1);
735 case OPTION_IMAGE_BASE:
736 set_pe_value ("__image_base__");
738 case OPTION_SUPPORT_OLD_CODE:
739 support_old_code = 1;
741 case OPTION_THUMB_ENTRY:
742 thumb_entry_symbol = optarg;
744 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
745 pe_use_nul_prefixed_import_tables = TRUE;
747 case OPTION_NO_LEADING_UNDERSCORE:
748 pe_leading_underscore = 0;
750 case OPTION_LEADING_UNDERSCORE:
751 pe_leading_underscore = 1;
755 pe_out_def_filename = xstrdup (optarg);
757 case OPTION_EXPORT_ALL:
758 pe_dll_export_everything = 1;
760 case OPTION_EXCLUDE_SYMBOLS:
761 pe_dll_add_excludes (optarg, EXCLUDESYMS);
763 case OPTION_EXCLUDE_ALL_SYMBOLS:
764 pe_dll_exclude_all_symbols = 1;
766 case OPTION_EXCLUDE_LIBS:
767 pe_dll_add_excludes (optarg, EXCLUDELIBS);
769 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
770 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
772 case OPTION_KILL_ATS:
775 case OPTION_STDCALL_ALIASES:
776 pe_dll_stdcall_aliases = 1;
778 case OPTION_ENABLE_STDCALL_FIXUP:
779 pe_enable_stdcall_fixup = 1;
781 case OPTION_DISABLE_STDCALL_FIXUP:
782 pe_enable_stdcall_fixup = 0;
784 case OPTION_IMPLIB_FILENAME:
785 pe_implib_filename = xstrdup (optarg);
787 case OPTION_WARN_DUPLICATE_EXPORTS:
788 pe_dll_warn_dup_exports = 1;
790 case OPTION_IMP_COMPAT:
791 pe_dll_compat_implib = 1;
793 case OPTION_ENABLE_AUTO_IMAGE_BASE:
794 pe_enable_auto_image_base = 1;
796 case OPTION_DISABLE_AUTO_IMAGE_BASE:
797 pe_enable_auto_image_base = 0;
799 case OPTION_DLL_SEARCH_PREFIX:
800 pe_dll_search_prefix = xstrdup (optarg);
802 case OPTION_NO_DEFAULT_EXCLUDES:
803 pe_dll_do_default_excludes = 0;
805 case OPTION_DLL_ENABLE_AUTO_IMPORT:
806 link_info.pei386_auto_import = 1;
808 case OPTION_DLL_DISABLE_AUTO_IMPORT:
809 link_info.pei386_auto_import = 0;
811 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
812 link_info.pei386_runtime_pseudo_reloc =
813 DEFAULT_PSEUDO_RELOC_VERSION;
815 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
816 link_info.pei386_runtime_pseudo_reloc = 1;
818 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
819 link_info.pei386_runtime_pseudo_reloc = 2;
821 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
822 link_info.pei386_runtime_pseudo_reloc = 0;
824 case OPTION_ENABLE_EXTRA_PE_DEBUG:
825 pe_dll_extra_pe_debug = 1;
828 case OPTION_LARGE_ADDRESS_AWARE:
829 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
831 case OPTION_ENABLE_LONG_SECTION_NAMES:
832 pe_use_coff_long_section_names = 1;
834 case OPTION_DISABLE_LONG_SECTION_NAMES:
835 pe_use_coff_long_section_names = 0;
837 /* Get DLLCharacteristics bits */
838 case OPTION_DYNAMIC_BASE:
839 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
841 case OPTION_FORCE_INTEGRITY:
842 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
844 case OPTION_NX_COMPAT:
845 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
847 case OPTION_NO_ISOLATION:
848 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
851 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
854 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
856 case OPTION_WDM_DRIVER:
857 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
859 case OPTION_TERMINAL_SERVER_AWARE:
860 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
864 /* Set DLLCharacteristics bits */
865 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
873 strhash (const char *str)
875 const unsigned char *s;
882 s = (const unsigned char *) str;
883 while ((c = *s++) != '\0')
885 hash += c + (c << 17);
889 hash += len + (len << 17);
895 /* Use the output file to create a image base for relocatable DLLs. */
898 compute_dll_image_base (const char *ofile)
900 unsigned long hash = strhash (ofile);
901 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
905 /* Assign values to the special symbols before the linker script is
909 gld_${EMULATION_NAME}_set_symbols (void)
911 /* Run through and invent symbols for all the
912 names and insert the defaults. */
917 if (!init[IMAGEBASEOFF].inited)
919 if (link_info.relocatable)
920 init[IMAGEBASEOFF].value = 0;
921 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
924 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
925 ? compute_dll_image_base (output_filename)
926 : NT_DLL_IMAGE_BASE);
928 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
932 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
933 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
936 /* Don't do any symbol assignments if this is a relocatable link. */
937 if (link_info.relocatable)
940 /* Glue the assignments into the abs section. */
941 push_stat_ptr (&abs_output_section->children);
943 for (j = 0; init[j].ptr; j++)
945 long val = init[j].value;
946 lang_assignment_statement_type *rv;
948 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
949 exp_intop (val), FALSE));
950 if (init[j].size == sizeof (short))
951 *(short *) init[j].ptr = val;
952 else if (init[j].size == sizeof (int))
953 *(int *) init[j].ptr = val;
954 else if (init[j].size == sizeof (long))
955 *(long *) init[j].ptr = val;
956 /* This might be a long long or other special type. */
957 else if (init[j].size == sizeof (bfd_vma))
958 *(bfd_vma *) init[j].ptr = val;
960 if (j == IMAGEBASEOFF)
961 image_base_statement = rv;
963 /* Restore the pointer. */
966 if (pe.FileAlignment > pe.SectionAlignment)
968 einfo (_("%P: warning, file alignment > section alignment.\n"));
972 /* This is called after the linker script and the command line options
976 gld_${EMULATION_NAME}_after_parse (void)
978 /* PR ld/6744: Warn the user if they have used an ELF-only
979 option hoping it will work on PE. */
980 if (link_info.export_dynamic)
981 einfo (_("%P: warning: --export-dynamic is not supported for PE "
982 "targets, did you mean --export-all-symbols?\n"));
986 after_parse_default ();
989 /* pe-dll.c directly accesses pe_data_import_dll,
990 so it must be defined outside of #ifdef DLL_SUPPORT.
991 Note - this variable is deliberately not initialised.
992 This allows it to be treated as a common varaible, and only
993 exist in one incarnation in a multiple target enabled linker. */
994 char * pe_data_import_dll;
997 static struct bfd_link_hash_entry *pe_undef_found_sym;
1000 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1004 const char *hs = h->root.string;
1006 sl = strlen (string);
1007 if (h->type == bfd_link_hash_defined
1008 && ((*hs == '@' && *string == '_'
1009 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1010 || strncmp (hs, string, sl) == 0)
1011 && h->root.string[sl] == '@')
1013 pe_undef_found_sym = h;
1020 pe_fixup_stdcalls (void)
1022 static int gave_warning_message = 0;
1023 struct bfd_link_hash_entry *undef, *sym;
1025 if (pe_dll_extra_pe_debug)
1026 printf ("%s\n", __FUNCTION__);
1028 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1029 if (undef->type == bfd_link_hash_undefined)
1031 char* at = strchr (undef->root.string, '@');
1032 int lead_at = (*undef->root.string == '@');
1034 at = strchr (undef->root.string + 1, '@');
1038 /* The symbol is a stdcall symbol, so let's look for a
1039 cdecl symbol with the same name and resolve to that. */
1040 char *cname = xstrdup (undef->root.string);
1044 at = strchr (cname, '@');
1047 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1049 if (sym && sym->type == bfd_link_hash_defined)
1051 undef->type = bfd_link_hash_defined;
1052 undef->u.def.value = sym->u.def.value;
1053 undef->u.def.section = sym->u.def.section;
1055 if (pe_enable_stdcall_fixup == -1)
1057 einfo (_("Warning: resolving %s by linking to %s\n"),
1058 undef->root.string, cname);
1059 if (! gave_warning_message)
1061 gave_warning_message = 1;
1062 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1063 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1070 /* The symbol is a cdecl symbol, so we look for stdcall
1071 symbols - which means scanning the whole symbol table. */
1072 pe_undef_found_sym = 0;
1073 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1074 (char *) undef->root.string);
1075 sym = pe_undef_found_sym;
1078 undef->type = bfd_link_hash_defined;
1079 undef->u.def.value = sym->u.def.value;
1080 undef->u.def.section = sym->u.def.section;
1082 if (pe_enable_stdcall_fixup == -1)
1084 einfo (_("Warning: resolving %s by linking to %s\n"),
1085 undef->root.string, sym->root.string);
1086 if (! gave_warning_message)
1088 gave_warning_message = 1;
1089 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1090 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1099 make_import_fixup (arelent *rel, asection *s)
1101 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1104 if (pe_dll_extra_pe_debug)
1105 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1106 (unsigned long) rel->address, (long) rel->addend);
1108 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1109 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1110 s->owner, s, rel->address);
1112 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
1118 pe_find_data_imports (void)
1120 struct bfd_link_hash_entry *undef, *sym;
1122 if (link_info.pei386_auto_import == 0)
1125 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1127 if (undef->type == bfd_link_hash_undefined)
1129 /* C++ symbols are *long*. */
1132 if (pe_dll_extra_pe_debug)
1133 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1135 sprintf (buf, "__imp_%s", undef->root.string);
1137 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1139 if (sym && sym->type == bfd_link_hash_defined)
1141 bfd *b = sym->u.def.section->owner;
1145 if (link_info.pei386_auto_import == -1)
1147 static bfd_boolean warned = FALSE;
1149 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1150 undef->root.string, buf);
1152 /* PR linker/4844. */
1156 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
1157 This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
1161 if (!bfd_generic_link_read_symbols (b))
1163 einfo (_("%B%F: could not read symbols: %E\n"), b);
1167 symbols = bfd_get_outsymbols (b);
1168 nsyms = bfd_get_symcount (b);
1170 for (i = 0; i < nsyms; i++)
1172 if (! CONST_STRNEQ (symbols[i]->name,
1176 if (pe_dll_extra_pe_debug)
1177 printf ("->%s\n", symbols[i]->name);
1179 pe_data_import_dll = (char *) (symbols[i]->name
1180 + U_SIZE ("_head_") - 1);
1184 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1187 /* Let's differentiate it somehow from defined. */
1188 undef->type = bfd_link_hash_defweak;
1189 /* We replace original name with __imp_ prefixed, this
1190 1) may trash memory 2) leads to duplicate symbol generation.
1191 Still, IMHO it's better than having name poluted. */
1192 undef->root.string = sym->root.string;
1193 undef->u.def.value = sym->u.def.value;
1194 undef->u.def.section = sym->u.def.section;
1201 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1203 printf ("+%s\n", h->string);
1207 #endif /* DLL_SUPPORT */
1210 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1212 int *found = (int *) obj;
1213 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1218 gld_${EMULATION_NAME}_after_open (void)
1220 after_open_default ();
1223 if (pe_dll_extra_pe_debug)
1226 struct bfd_link_hash_entry *sym;
1228 printf ("%s()\n", __FUNCTION__);
1230 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1231 printf ("-%s\n", sym->root.string);
1232 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1234 for (a = link_info.input_bfds; a; a = a->link_next)
1235 printf ("*%s\n",a->filename);
1239 /* Pass the wacky PE command line options into the output bfd.
1240 FIXME: This should be done via a function, rather than by
1241 including an internal BFD header. */
1243 if (coff_data (link_info.output_bfd) == NULL
1244 || coff_data (link_info.output_bfd)->pe == 0)
1245 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1246 link_info.output_bfd);
1248 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1249 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1250 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1252 /* At this point we must decide whether to use long section names
1253 in the output or not. If the user hasn't explicitly specified
1254 on the command line, we leave it to the default for the format
1255 (object files yes, image files no), except if there is debug
1256 information present; GDB relies on the long section names to
1257 find it, so enable it in that case. */
1258 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1260 /* Iterate over all sections of all input BFDs, checking
1261 for any that begin 'debug_' and are long names. */
1262 LANG_FOR_EACH_INPUT_STATEMENT (is)
1264 int found_debug = 0;
1265 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1268 pe_use_coff_long_section_names = 1;
1274 pe_output_file_set_long_section_names (link_info.output_bfd);
1277 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1278 pe_fixup_stdcalls ();
1280 pe_process_import_defs (link_info.output_bfd, &link_info);
1282 pe_find_data_imports ();
1284 /* As possibly new symbols are added by imports, we rerun
1285 stdcall/fastcall fixup here. */
1286 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1287 pe_fixup_stdcalls ();
1289 #if defined (TARGET_IS_i386pe) \
1290 || defined (TARGET_IS_armpe) \
1291 || defined (TARGET_IS_arm_epoc_pe) \
1292 || defined (TARGET_IS_arm_wince_pe)
1293 if (!link_info.relocatable)
1294 pe_dll_build_sections (link_info.output_bfd, &link_info);
1296 if (link_info.shared)
1297 pe_dll_build_sections (link_info.output_bfd, &link_info);
1299 pe_exe_build_sections (link_info.output_bfd, &link_info);
1301 #endif /* DLL_SUPPORT */
1303 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1304 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1306 /* The arm backend needs special fields in the output hash structure.
1307 These will only be created if the output format is an arm format,
1308 hence we do not support linking and changing output formats at the
1309 same time. Use a link followed by objcopy to change output formats. */
1310 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1314 /* Find a BFD that can hold the interworking stubs. */
1315 LANG_FOR_EACH_INPUT_STATEMENT (is)
1317 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1324 /* This next chunk of code tries to detect the case where you have
1325 two import libraries for the same DLL (specifically,
1326 symbolically linking libm.a and libc.a in cygwin to
1327 libcygwin.a). In those cases, it's possible for function
1328 thunks from the second implib to be used but without the
1329 head/tail objects, causing an improper import table. We detect
1330 those cases and rename the "other" import libraries to match
1331 the one the head/tail come from, so that the linker will sort
1332 things nicely and produce a valid import table. */
1334 LANG_FOR_EACH_INPUT_STATEMENT (is)
1336 if (is->the_bfd->my_archive)
1338 int idata2 = 0, reloc_count=0, is_imp = 0;
1341 /* See if this is an import library thunk. */
1342 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1344 if (strcmp (sec->name, ".idata\$2") == 0)
1346 if (CONST_STRNEQ (sec->name, ".idata\$"))
1348 reloc_count += sec->reloc_count;
1351 if (is_imp && !idata2 && reloc_count)
1353 /* It is, look for the reference to head and see if it's
1354 from our own library. */
1355 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1363 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1367 if (!bfd_generic_link_read_symbols (is->the_bfd))
1369 einfo (_("%B%F: could not read symbols: %E\n"),
1373 symbols = bfd_get_outsymbols (is->the_bfd);
1375 relocs = xmalloc ((size_t) relsize);
1376 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1381 einfo ("%X%P: unable to process relocs: %E\n");
1385 for (i = 0; i < nrelocs; i++)
1387 struct bfd_symbol *s;
1388 struct bfd_link_hash_entry * blhe;
1389 char *other_bfd_filename;
1392 s = (relocs[i]->sym_ptr_ptr)[0];
1394 if (s->flags & BSF_LOCAL)
1397 /* Thunk section with reloc to another bfd. */
1398 blhe = bfd_link_hash_lookup (link_info.hash,
1400 FALSE, FALSE, TRUE);
1403 || blhe->type != bfd_link_hash_defined)
1407 = blhe->u.def.section->owner->my_archive
1408 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1409 : bfd_get_filename (blhe->u.def.section->owner);
1411 if (filename_cmp (bfd_get_filename
1412 (is->the_bfd->my_archive),
1413 other_bfd_filename) == 0)
1416 /* Rename this implib to match the other one. */
1417 n = xmalloc (strlen (other_bfd_filename) + 1);
1418 strcpy (n, other_bfd_filename);
1419 is->the_bfd->my_archive->filename = n;
1423 /* Note - we do not free the symbols,
1424 they are now cached in the BFD. */
1434 lang_input_statement_type *is2;
1435 lang_input_statement_type *is3;
1437 /* Careful - this is a shell script. Watch those dollar signs! */
1438 /* Microsoft import libraries have every member named the same,
1439 and not in the right order for us to link them correctly. We
1440 must detect these and rename the members so that they'll link
1441 correctly. There are three types of objects: the head, the
1442 thunks, and the sentinel(s). The head is easy; it's the one
1443 with idata2. We assume that the sentinels won't have relocs,
1444 and the thunks will. It's easier than checking the symbol
1445 table for external references. */
1446 LANG_FOR_EACH_INPUT_STATEMENT (is)
1448 if (is->the_bfd->my_archive)
1451 bfd *arch = is->the_bfd->my_archive;
1453 if (cur_arch != arch)
1459 is3 && is3->the_bfd->my_archive == arch;
1460 is3 = (lang_input_statement_type *) is3->next)
1462 /* A MS dynamic import library can also contain static
1463 members, so look for the first element with a .dll
1464 extension, and use that for the remainder of the
1466 pnt = strrchr (is3->the_bfd->filename, '.');
1467 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1475 /* OK, found one. Now look to see if the remaining
1476 (dynamic import) members use the same name. */
1478 is2 && is2->the_bfd->my_archive == arch;
1479 is2 = (lang_input_statement_type *) is2->next)
1481 /* Skip static members, ie anything with a .obj
1483 pnt = strrchr (is2->the_bfd->filename, '.');
1484 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1487 if (filename_cmp (is3->the_bfd->filename,
1488 is2->the_bfd->filename))
1497 /* This fragment might have come from an .obj file in a Microsoft
1498 import, and not an actual import record. If this is the case,
1499 then leave the filename alone. */
1500 pnt = strrchr (is->the_bfd->filename, '.');
1502 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1504 int idata2 = 0, reloc_count=0;
1506 char *new_name, seq;
1508 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1510 if (strcmp (sec->name, ".idata\$2") == 0)
1512 reloc_count += sec->reloc_count;
1515 if (idata2) /* .idata2 is the TOC */
1517 else if (reloc_count > 0) /* thunks */
1522 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1523 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1524 is->the_bfd->filename = new_name;
1526 new_name = xmalloc (strlen (is->filename) + 3);
1527 sprintf (new_name, "%s.%c", is->filename, seq);
1528 is->filename = new_name;
1535 /* The following chunk of code tries to identify jump stubs in
1536 import libraries which are dead code and eliminates them
1537 from the final link. For each exported symbol <sym>, there
1538 is a object file in the import library with a .text section
1539 and several .idata\$* sections. The .text section contains the
1540 symbol definition for <sym> which is a jump stub of the form
1541 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1542 for __imp_<sym> which is the address of the slot for <sym> in
1543 the import address table. When a symbol is imported explicitly
1544 using __declspec(dllimport) declaration, the compiler generates
1545 a reference to __imp_<sym> which directly resolves to the
1546 symbol in .idata\$5, in which case the jump stub code is not
1547 needed. The following code tries to identify jump stub sections
1548 in import libraries which are not referred to by anyone and
1549 marks them for exclusion from the final link. */
1550 LANG_FOR_EACH_INPUT_STATEMENT (is)
1552 if (is->the_bfd->my_archive)
1555 asection *sec, *stub_sec = NULL;
1557 /* See if this is an import library thunk. */
1558 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1560 if (strncmp (sec->name, ".idata\$", 7) == 0)
1562 /* The section containing the jmp stub has code
1564 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1568 if (is_imp && stub_sec)
1571 long nsyms, src_count;
1572 struct bfd_link_hash_entry * blhe;
1574 if (!bfd_generic_link_read_symbols (is->the_bfd))
1576 einfo (_("%B%F: could not read symbols: %E\n"),
1580 symbols = bfd_get_outsymbols (is->the_bfd);
1581 nsyms = bfd_get_symcount (is->the_bfd);
1583 for (src_count = 0; src_count < nsyms; src_count++)
1585 if (symbols[src_count]->section->id == stub_sec->id)
1587 /* This symbol belongs to the section containing
1589 blhe = bfd_link_hash_lookup (link_info.hash,
1590 symbols[src_count]->name,
1591 FALSE, FALSE, TRUE);
1592 /* If the symbol in the stub section has no other
1593 undefined references, exclude the stub section
1594 from the final link. */
1596 && blhe->type == bfd_link_hash_defined
1597 && blhe->u.undef.next == NULL
1598 && blhe != link_info.hash->undefs_tail)
1599 stub_sec->flags |= SEC_EXCLUDE;
1609 gld_${EMULATION_NAME}_before_allocation (void)
1611 #ifdef TARGET_IS_ppcpe
1612 /* Here we rummage through the found bfds to collect toc information. */
1614 LANG_FOR_EACH_INPUT_STATEMENT (is)
1616 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1618 /* xgettext:c-format */
1619 einfo (_("Errors encountered processing file %s\n"), is->filename);
1624 /* We have seen it all. Allocate it, and carry on. */
1625 ppc_allocate_toc_section (&link_info);
1626 #endif /* TARGET_IS_ppcpe */
1628 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1629 /* FIXME: we should be able to set the size of the interworking stub
1632 Here we rummage through the found bfds to collect glue
1633 information. FIXME: should this be based on a command line
1634 option? krk@cygnus.com. */
1636 LANG_FOR_EACH_INPUT_STATEMENT (is)
1638 if (! bfd_arm_process_before_allocation
1639 (is->the_bfd, & link_info, support_old_code))
1641 /* xgettext:c-format */
1642 einfo (_("Errors encountered processing file %s for interworking\n"),
1648 /* We have seen it all. Allocate it, and carry on. */
1649 bfd_arm_allocate_interworking_sections (& link_info);
1650 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1652 before_allocation_default ();
1656 /* This is called when an input file isn't recognized as a BFD. We
1657 check here for .DEF files and pull them in automatically. */
1660 saw_option (char *option)
1664 for (i = 0; init[i].ptr; i++)
1665 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1666 return init[i].inited;
1669 #endif /* DLL_SUPPORT */
1672 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1675 const char *ext = entry->filename + strlen (entry->filename) - 4;
1677 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1679 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1683 int i, buflen=0, len;
1686 for (i = 0; i < pe_def_file->num_exports; i++)
1688 len = strlen (pe_def_file->exports[i].internal_name);
1689 if (buflen < len + 2)
1693 buf = xmalloc (buflen);
1695 for (i = 0; i < pe_def_file->num_exports; i++)
1697 struct bfd_link_hash_entry *h;
1699 sprintf (buf, "%s%s", U (""),
1700 pe_def_file->exports[i].internal_name);
1702 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1703 if (h == (struct bfd_link_hash_entry *) NULL)
1704 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1705 if (h->type == bfd_link_hash_new)
1707 h->type = bfd_link_hash_undefined;
1708 h->u.undef.abfd = NULL;
1709 bfd_link_add_undef (link_info.hash, h);
1714 /* def_file_print (stdout, pe_def_file); */
1715 if (pe_def_file->is_dll == 1)
1716 link_info.shared = 1;
1718 if (pe_def_file->base_address != (bfd_vma)(-1))
1721 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1722 = init[IMAGEBASEOFF].value
1723 = pe_def_file->base_address;
1724 init[IMAGEBASEOFF].inited = 1;
1725 if (image_base_statement)
1726 image_base_statement->exp
1727 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1731 if (pe_def_file->stack_reserve != -1
1732 && ! saw_option ("__size_of_stack_reserve__"))
1734 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1735 if (pe_def_file->stack_commit != -1)
1736 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1738 if (pe_def_file->heap_reserve != -1
1739 && ! saw_option ("__size_of_heap_reserve__"))
1741 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1742 if (pe_def_file->heap_commit != -1)
1743 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1753 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1756 #ifdef TARGET_IS_i386pe
1757 pe_dll_id_target ("pei-i386");
1759 #ifdef TARGET_IS_shpe
1760 pe_dll_id_target ("pei-shl");
1762 #ifdef TARGET_IS_mipspe
1763 pe_dll_id_target ("pei-mips");
1765 #ifdef TARGET_IS_armpe
1766 pe_dll_id_target ("pei-arm-little");
1768 #ifdef TARGET_IS_arm_epoc_pe
1769 pe_dll_id_target ("epoc-pei-arm-little");
1771 #ifdef TARGET_IS_arm_wince_pe
1772 pe_dll_id_target ("pei-arm-wince-little");
1774 if (pe_bfd_is_dll (entry->the_bfd))
1775 return pe_implied_import_dll (entry->filename);
1781 gld_${EMULATION_NAME}_finish (void)
1783 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1784 struct bfd_link_hash_entry * h;
1786 if (thumb_entry_symbol != NULL)
1788 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1789 FALSE, FALSE, TRUE);
1791 if (h != (struct bfd_link_hash_entry *) NULL
1792 && (h->type == bfd_link_hash_defined
1793 || h->type == bfd_link_hash_defweak)
1794 && h->u.def.section->output_section != NULL)
1796 static char buffer[32];
1799 /* Special procesing is required for a Thumb entry symbol. The
1800 bottom bit of its address must be set. */
1801 val = (h->u.def.value
1802 + bfd_get_section_vma (link_info.output_bfd,
1803 h->u.def.section->output_section)
1804 + h->u.def.section->output_offset);
1808 /* Now convert this value into a string and store it in entry_symbol
1809 where the lang_finish() function will pick it up. */
1813 sprintf_vma (buffer + 2, val);
1815 if (entry_symbol.name != NULL && entry_from_cmdline)
1816 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1817 thumb_entry_symbol, entry_symbol.name);
1818 entry_symbol.name = buffer;
1821 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1823 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1828 if (link_info.shared
1829 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1830 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1834 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1835 if (pe_implib_filename)
1836 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
1838 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1839 /* ARM doesn't need relocs. */
1842 pe_exe_fill_sections (link_info.output_bfd, &link_info);
1846 if (pe_out_def_filename)
1847 pe_dll_generate_def_file (pe_out_def_filename);
1848 #endif /* DLL_SUPPORT */
1850 /* I don't know where .idata gets set as code, but it shouldn't be. */
1852 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1856 asec->flags &= ~SEC_CODE;
1857 asec->flags |= SEC_DATA;
1863 /* Place an orphan section.
1865 We use this to put sections in a reasonable place in the file, and
1866 to ensure that they are aligned as required.
1868 We handle grouped sections here as well. A section named .foo\$nn
1869 goes into the output section .foo. All grouped sections are sorted
1872 Grouped sections for the default sections are handled by the
1873 default linker script using wildcards, and are sorted by
1876 static lang_output_section_statement_type *
1877 gld_${EMULATION_NAME}_place_orphan (asection *s,
1878 const char *secname,
1881 const char *orig_secname = secname;
1882 char *dollar = NULL;
1883 lang_output_section_statement_type *os;
1884 lang_statement_list_type add_child;
1885 lang_output_section_statement_type *match_by_name = NULL;
1886 lang_statement_union_type **pl;
1888 /* Look through the script to see where to place this section. */
1889 if (!link_info.relocatable
1890 && (dollar = strchr (secname, '\$')) != NULL)
1892 size_t len = dollar - secname;
1893 char *newname = xmalloc (len + 1);
1894 memcpy (newname, secname, len);
1895 newname[len] = '\0';
1899 lang_list_init (&add_child);
1902 if (constraint == 0)
1903 for (os = lang_output_section_find (secname);
1905 os = next_matching_output_section_statement (os, 0))
1907 /* If we don't match an existing output section, tell
1908 lang_insert_orphan to create a new output section. */
1909 constraint = SPECIAL;
1911 if (os->bfd_section != NULL
1912 && (os->bfd_section->flags == 0
1913 || ((s->flags ^ os->bfd_section->flags)
1914 & (SEC_LOAD | SEC_ALLOC)) == 0))
1916 /* We already have an output section statement with this
1917 name, and its bfd section has compatible flags.
1918 If the section already exists but does not have any flags set,
1919 then it has been created by the linker, probably as a result of
1920 a --section-start command line switch. */
1921 lang_add_section (&add_child, s, NULL, os);
1925 /* Save unused output sections in case we can match them
1926 against orphans later. */
1927 if (os->bfd_section == NULL)
1931 /* If we didn't match an active output section, see if we matched an
1932 unused one and use that. */
1933 if (os == NULL && match_by_name)
1935 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
1936 return match_by_name;
1941 static struct orphan_save hold[] =
1944 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1947 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1950 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1953 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1959 enum orphan_save_index
1967 static int orphan_init_done = 0;
1968 struct orphan_save *place;
1969 lang_output_section_statement_type *after;
1970 etree_type *address;
1972 if (!orphan_init_done)
1974 struct orphan_save *ho;
1975 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1976 if (ho->name != NULL)
1978 ho->os = lang_output_section_find (ho->name);
1979 if (ho->os != NULL && ho->os->flags == 0)
1980 ho->os->flags = ho->flags;
1982 orphan_init_done = 1;
1985 /* Try to put the new output section in a reasonable place based
1986 on the section name and section flags. */
1989 if ((s->flags & SEC_ALLOC) == 0)
1991 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1992 place = &hold[orphan_bss];
1993 else if ((s->flags & SEC_READONLY) == 0)
1994 place = &hold[orphan_data];
1995 else if ((s->flags & SEC_CODE) == 0)
1997 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1998 : &hold[orphan_rodata]);
2001 place = &hold[orphan_text];
2006 if (place->os == NULL)
2007 place->os = lang_output_section_find (place->name);
2010 after = lang_output_section_find_by_flags (s, &place->os, NULL);
2012 /* *ABS* is always the first output section statement. */
2013 after = (&lang_output_section_statement.head
2014 ->output_section_statement);
2017 /* All sections in an executable must be aligned to a page boundary.
2018 In a relocatable link, just preserve the incoming alignment; the
2019 address is discarded by lang_insert_orphan in that case, anyway. */
2020 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2021 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2023 if (link_info.relocatable)
2025 os->section_alignment = s->alignment_power;
2026 os->bfd_section->alignment_power = s->alignment_power;
2030 /* If the section name has a '\$', sort it with the other '\$'
2032 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2034 lang_input_section_type *ls;
2037 if ((*pl)->header.type != lang_input_section_enum)
2040 ls = &(*pl)->input_section;
2042 lname = bfd_get_section_name (ls->section->owner, ls->section);
2043 if (strchr (lname, '\$') != NULL
2044 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2048 if (add_child.head != NULL)
2050 *add_child.tail = *pl;
2051 *pl = add_child.head;
2058 gld_${EMULATION_NAME}_open_dynamic_archive
2059 (const char *arch ATTRIBUTE_UNUSED,
2060 search_dirs_type *search,
2061 lang_input_statement_type *entry)
2065 const char * format;
2066 bfd_boolean use_prefix;
2070 /* Preferred explicit import library for dll's. */
2071 { "lib%s.dll.a", FALSE },
2072 /* Alternate explicit import library for dll's. */
2073 { "%s.dll.a", FALSE },
2074 /* "libfoo.a" could be either an import lib or a static lib.
2075 For backwards compatibility, libfoo.a needs to precede
2076 libfoo.dll and foo.dll in the search. */
2077 { "lib%s.a", FALSE },
2078 /* The 'native' spelling of an import lib name is "foo.lib". */
2079 { "%s.lib", FALSE },
2081 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2082 { "%s%s.dll", TRUE },
2084 /* Try "libfoo.dll" (default preferred dll name). */
2085 { "lib%s.dll", FALSE },
2086 /* Finally try 'native' dll name "foo.dll". */
2087 { "%s.dll", FALSE },
2088 /* Note: If adding more formats to this table, make sure to check to
2089 see if their length is longer than libname_fmt[0].format, and if
2090 so, update the call to xmalloc() below. */
2093 static unsigned int format_max_len = 0;
2094 const char * filename;
2100 if (! entry->flags.maybe_archive)
2103 filename = entry->filename;
2105 if (format_max_len == 0)
2106 /* We need to allow space in the memory that we are going to allocate
2107 for the characters in the format string. Since the format array is
2108 static we only need to calculate this information once. In theory
2109 this value could also be computed statically, but this introduces
2110 the possibility for a discrepancy and hence a possible memory
2111 corruption. The lengths we compute here will be too long because
2112 they will include any formating characters (%s) in the strings, but
2113 this will not matter. */
2114 for (i = 0; libname_fmt[i].format; i++)
2115 if (format_max_len < strlen (libname_fmt[i].format))
2116 format_max_len = strlen (libname_fmt[i].format);
2118 full_string = xmalloc (strlen (search->name)
2122 + (pe_dll_search_prefix
2123 ? strlen (pe_dll_search_prefix) : 0)
2125 /* Allow for the terminating NUL and for the path
2126 separator character that is inserted between
2127 search->name and the start of the format string. */
2130 sprintf (full_string, "%s/", search->name);
2131 base_string = full_string + strlen (full_string);
2133 for (i = 0; libname_fmt[i].format; i++)
2136 if (libname_fmt[i].use_prefix)
2138 if (!pe_dll_search_prefix)
2140 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2144 sprintf (base_string, libname_fmt[i].format, filename);
2146 if (ldfile_try_open_bfd (full_string, entry))
2150 if (!libname_fmt[i].format)
2156 entry->filename = full_string;
2162 gld_${EMULATION_NAME}_find_potential_libraries
2163 (char *name, lang_input_statement_type *entry)
2165 return ldfile_open_file_search (name, entry, "", ".lib");
2169 gld_${EMULATION_NAME}_get_script (int *isfile)
2171 # Scripts compiled in.
2172 # sed commands to quote an ld script as a C string.
2173 sc="-f stringify.sed"
2179 if (link_info.relocatable && config.build_constructors)
2182 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2183 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2184 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2185 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2186 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2187 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2188 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2189 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2190 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2191 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2193 echo ' ; else return' >> e${EMULATION_NAME}.c
2194 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2195 echo '; }' >> e${EMULATION_NAME}.c
2200 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2202 gld_${EMULATION_NAME}_before_parse,
2205 gld_${EMULATION_NAME}_after_parse,
2206 gld_${EMULATION_NAME}_after_open,
2207 after_allocation_default,
2208 set_output_arch_default,
2209 ldemul_default_target,
2210 gld_${EMULATION_NAME}_before_allocation,
2211 gld_${EMULATION_NAME}_get_script,
2212 "${EMULATION_NAME}",
2214 gld_${EMULATION_NAME}_finish,
2215 NULL, /* Create output section statements. */
2216 gld_${EMULATION_NAME}_open_dynamic_archive,
2217 gld_${EMULATION_NAME}_place_orphan,
2218 gld_${EMULATION_NAME}_set_symbols,
2219 NULL, /* parse_args */
2220 gld${EMULATION_NAME}_add_options,
2221 gld${EMULATION_NAME}_handle_option,
2222 gld_${EMULATION_NAME}_unrecognized_file,
2223 gld_${EMULATION_NAME}_list_options,
2224 gld_${EMULATION_NAME}_recognized_file,
2225 gld_${EMULATION_NAME}_find_potential_libraries,
2226 NULL /* new_vers_pattern. */