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${EMULATION_NAME}.c # there, now line numbers match ;-)
11 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
13 This file is part of the GNU Binutils.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 3 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
32 /* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
36 the correct entry point by default. */
38 #define TARGET_IS_${EMULATION_NAME}
45 #include "libiberty.h"
46 #include "filenames.h"
57 #include "ldbuildid.h"
58 #include "coff/internal.h"
60 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
61 header in generic PE code. */
62 #include "coff/i386.h"
65 /* FIXME: These are BFD internal header files, and we should not be
67 #include "../bfd/libcoff.h"
68 #include "../bfd/libpei.h"
70 #if defined(TARGET_IS_armpe) \
71 || defined(TARGET_IS_arm_wince_pe)
72 #define bfd_arm_allocate_interworking_sections \
73 bfd_${EMULATION_NAME}_allocate_interworking_sections
74 #define bfd_arm_get_bfd_for_interworking \
75 bfd_${EMULATION_NAME}_get_bfd_for_interworking
76 #define bfd_arm_process_before_allocation \
77 bfd_${EMULATION_NAME}_process_before_allocation
83 #include "safe-ctype.h"
85 /* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90 #undef PE_DEF_SECTION_ALIGNMENT
91 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
94 #if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
96 || defined(TARGET_IS_armpe) \
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 #define DEFAULT_DLL_CHARACTERISTICS (IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE \
108 | IMAGE_DLL_CHARACTERISTICS_NX_COMPAT)
110 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
111 #define PE_DEF_SUBSYSTEM 3
113 #undef NT_EXE_IMAGE_BASE
114 #undef PE_DEF_SECTION_ALIGNMENT
115 #undef PE_DEF_FILE_ALIGNMENT
116 #define NT_EXE_IMAGE_BASE 0x00010000
118 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
119 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
120 #define PE_DEF_SUBSYSTEM 9
122 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
123 #define PE_DEF_SUBSYSTEM 2
125 #define PE_DEF_FILE_ALIGNMENT 0x00000200
128 static struct internal_extra_pe_aouthdr pe;
130 static int pe_subsystem = ${SUBSYSTEM};
131 static flagword real_flags = 0;
132 static int support_old_code = 0;
133 static char * thumb_entry_symbol = NULL;
134 static lang_assignment_statement_type *image_base_statement = 0;
135 static unsigned short pe_dll_characteristics = DEFAULT_DLL_CHARACTERISTICS;
136 static bfd_boolean insert_timestamp = TRUE;
137 static const char *emit_build_id;
140 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
141 static char *pe_out_def_filename = NULL;
142 static int pe_enable_auto_image_base = 0;
143 static unsigned long pe_auto_image_base = 0x61500000;
144 static char *pe_dll_search_prefix = NULL;
147 extern const char *output_filename;
149 static int is_underscoring (void)
152 if (pe_leading_underscore != -1)
153 return pe_leading_underscore;
154 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
155 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
159 pe_leading_underscore = (u != 0 ? 1 : 0);
160 return pe_leading_underscore;
164 gld_${EMULATION_NAME}_before_parse (void)
167 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
168 output_filename = "${EXECUTABLE_NAME:-a.exe}";
170 input_flags.dynamic = TRUE;
171 config.has_shared = 1;
174 # Cygwin no longer wants these noisy warnings. Other PE
175 # targets might like to consider adding themselves here.
176 # See also the mail thread starting here for the reason why
177 # merge_rdata defaults to 0 for cygwin:
178 # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
181 default_auto_import=1
182 default_merge_rdata=0
184 i[3-7]86-*-mingw* | x86_64-*-mingw*)
185 default_auto_import=1
186 default_merge_rdata=0
189 default_auto_import=-1
190 default_merge_rdata=1
195 link_info.pei386_auto_import = ${default_auto_import};
196 /* Use by default version. */
197 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
201 /* Indicates if RDATA shall be merged into DATA when pseudo-relocation
202 version 2 is used and auto-import is enabled. */
203 #define MERGE_RDATA_V2 ${default_merge_rdata}
205 /* PE format extra command line options. */
207 /* Used for setting flags in the PE header. */
208 #define OPTION_BASE_FILE (300 + 1)
209 #define OPTION_DLL (OPTION_BASE_FILE + 1)
210 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
211 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
212 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
213 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
214 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
215 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
216 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
217 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
218 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
219 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
220 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
221 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
222 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
223 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
224 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
225 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
226 #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
227 #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
228 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
229 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
230 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
231 #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1)
232 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
233 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
234 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
235 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
236 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
237 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
238 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
239 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
240 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
241 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
242 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
243 (OPTION_EXCLUDE_LIBS + 1)
244 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
245 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
246 #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
247 #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
248 (OPTION_LARGE_ADDRESS_AWARE + 1)
249 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
250 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
251 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
252 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
253 #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
254 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
255 #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
256 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
257 #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
258 #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
259 #define OPTION_ENABLE_LONG_SECTION_NAMES \
260 (OPTION_LEADING_UNDERSCORE + 1)
261 #define OPTION_DISABLE_LONG_SECTION_NAMES \
262 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
263 /* DLLCharacteristics flags. */
264 #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
265 #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
266 #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
267 #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
268 #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
269 #define OPTION_NO_BIND (OPTION_NO_SEH + 1)
270 #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
271 #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
273 #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1)
274 #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1)
275 #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1)
276 #define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1)
277 #define OPTION_DISABLE_RELOC_SECTION (OPTION_ENABLE_RELOC_SECTION + 1)
278 /* DLL Characteristics flags. */
279 #define OPTION_DISABLE_DYNAMIC_BASE (OPTION_DISABLE_RELOC_SECTION + 1)
280 #define OPTION_DISABLE_FORCE_INTEGRITY (OPTION_DISABLE_DYNAMIC_BASE + 1)
281 #define OPTION_DISABLE_NX_COMPAT (OPTION_DISABLE_FORCE_INTEGRITY + 1)
282 #define OPTION_DISABLE_NO_ISOLATION (OPTION_DISABLE_NX_COMPAT + 1)
283 #define OPTION_DISABLE_NO_SEH (OPTION_DISABLE_NO_ISOLATION + 1)
284 #define OPTION_DISABLE_NO_BIND (OPTION_DISABLE_NO_SEH + 1)
285 #define OPTION_DISABLE_WDM_DRIVER (OPTION_DISABLE_NO_BIND + 1)
286 #define OPTION_DISABLE_TERMINAL_SERVER_AWARE \
287 (OPTION_DISABLE_WDM_DRIVER + 1)
290 gld${EMULATION_NAME}_add_options
291 (int ns ATTRIBUTE_UNUSED,
292 char **shortopts ATTRIBUTE_UNUSED,
294 struct option **longopts,
295 int nrl ATTRIBUTE_UNUSED,
296 struct option **really_longopts ATTRIBUTE_UNUSED)
298 static const struct option xtra_long[] =
301 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
302 {"dll", no_argument, NULL, OPTION_DLL},
303 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
304 {"heap", required_argument, NULL, OPTION_HEAP},
305 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
306 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
307 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
308 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
309 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
310 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
311 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
312 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
313 {"stack", required_argument, NULL, OPTION_STACK},
314 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
315 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
316 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
317 {"use-nul-prefixed-import-tables", no_argument, NULL,
318 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
319 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
320 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
321 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
322 {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
324 /* getopt allows abbreviations, so we do this to stop it
325 from treating -o as an abbreviation for this option. */
326 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
327 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
328 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
329 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
330 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
331 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
332 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
333 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
334 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
335 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
336 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
337 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
338 /* getopt() allows abbreviations, so we do this to stop it from
339 treating -c as an abbreviation for these --compat-implib. */
340 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
341 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
342 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
343 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
344 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
345 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
346 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
347 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
348 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
349 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
350 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
351 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
352 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
354 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
355 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
356 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
357 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
358 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
359 {"disable-dynamicbase",no_argument, NULL, OPTION_DISABLE_DYNAMIC_BASE},
360 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
361 {"disable-forceinteg", no_argument, NULL, OPTION_DISABLE_FORCE_INTEGRITY},
362 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
363 {"disable-nxcompat", no_argument, NULL, OPTION_DISABLE_NX_COMPAT},
364 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
365 {"disable-no-isolation", no_argument, NULL, OPTION_DISABLE_NO_ISOLATION},
366 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
367 {"disable-no-seh", no_argument, NULL, OPTION_DISABLE_NO_SEH},
368 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
369 {"disable-no-bind", no_argument, NULL, OPTION_DISABLE_NO_BIND},
370 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
371 {"disable-wdmdriver", no_argument, NULL, OPTION_DISABLE_WDM_DRIVER},
372 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
373 {"disable-tsaware", no_argument, NULL, OPTION_DISABLE_TERMINAL_SERVER_AWARE},
374 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
375 {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION},
376 {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION},
377 {NULL, no_argument, NULL, 0}
381 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
382 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
385 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
386 parameters which may be input from the command line. */
395 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
396 C visible symbols can be prefixed by underscore dependent to target's
398 bfd_boolean is_c_symbol;
401 /* Get symbol name dependent to kind and C visible state of
403 #define GET_INIT_SYMBOL_NAME(IDX) \
404 (init[(IDX)].symbol \
405 + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1))
407 /* Decorates the C visible symbol by underscore, if target requires. */
409 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
411 #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc}
413 static definfo init[] =
415 /* imagebase must be first */
416 #define IMAGEBASEOFF 0
417 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
419 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
420 #define MSIMAGEBASEOFF 2
421 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
422 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
423 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
424 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
425 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
426 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
427 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
428 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
429 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
431 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
433 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
434 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
435 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
436 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
437 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
438 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
439 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
440 D(DllCharacteristics, "__dll_characteristics__", DEFAULT_DLL_CHARACTERISTICS, FALSE),
441 { NULL, 0, 0, NULL, 0 , FALSE}
446 gld_${EMULATION_NAME}_list_options (FILE *file)
448 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
449 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
450 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
451 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
452 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
453 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
454 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
455 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
456 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
457 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
458 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
459 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
460 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
461 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
462 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
463 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
464 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
465 fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n"));
466 fprintf (file, _(" This makes binaries non-deterministic\n"));
468 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
469 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
470 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
471 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
472 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
473 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
474 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
475 fprintf (file, _(" Exclude objects, archive members from auto\n"));
476 fprintf (file, _(" export, place into import library instead.\n"));
477 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
478 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
479 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
480 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
481 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
482 create __imp_<SYMBOL> as well.\n"));
483 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
484 (optionally starting with address) unless\n\
485 specifically set with --image-base\n"));
486 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
487 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
488 an importlib, use <string><basename>.dll\n\
489 in preference to lib<basename>.dll \n"));
490 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
491 __imp_sym for DATA references\n"));
492 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
493 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
494 adding pseudo-relocations resolved at\n\
496 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
497 auto-imported DATA.\n"));
498 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
499 or linking to DLLs (esp. auto-import)\n"));
501 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
502 greater than 2 gigabytes\n"));
503 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
504 addresses greater than 2 gigabytes\n"));
505 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
506 executable image files\n"));
507 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
508 in object files\n"));
509 fprintf (file, _(" --[disable-]dynamicbase Image base address may be relocated using\n\
510 address space layout randomization (ASLR)\n"));
511 fprintf (file, _(" --enable-reloc-section Create the base relocation table\n"));
512 fprintf (file, _(" --disable-reloc-section Do not create the base relocation table\n"));
513 fprintf (file, _(" --[disable-]forceinteg Code integrity checks are enforced\n"));
514 fprintf (file, _(" --[disable-]nxcompat Image is compatible with data execution\n\
516 fprintf (file, _(" --[disable-]no-isolation Image understands isolation but do not\n\
517 isolate the image\n"));
518 fprintf (file, _(" --[disable-]no-seh Image does not use SEH. No SE handler may\n\
519 be called in this image\n"));
520 fprintf (file, _(" --[disable-]no-bind Do not bind this image\n"));
521 fprintf (file, _(" --[disable-]wdmdriver Driver uses the WDM model\n"));
522 fprintf (file, _(" --[disable-]tsaware Image is Terminal Server aware\n"));
523 fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
528 set_pe_name (char *name, long val)
533 /* Find the name and set it. */
534 for (i = 0; init[i].ptr; i++)
536 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
540 if (strcmp (name,"__image_base__") == 0)
541 set_pe_name (U ("__ImageBase"), val);
549 set_entry_point (void)
552 const char *initial_symbol_char;
562 { 1, "NtProcessStartup" },
563 { 2, "WinMainCRTStartup" },
564 { 3, "mainCRTStartup" },
565 { 7, "__PosixProcessStartup"},
566 { 9, "WinMainCRTStartup" },
567 {14, "mainCRTStartup" },
571 /* Entry point name for arbitrary subsystem numbers. */
572 static const char default_entry[] = "mainCRTStartup";
574 if (bfd_link_dll (&link_info) || dll)
576 #if defined (TARGET_IS_i386pe)
577 entry = "DllMainCRTStartup@12";
579 entry = "DllMainCRTStartup";
584 for (i = 0; v[i].entry; i++)
585 if (v[i].value == pe_subsystem)
588 /* If no match, use the default. */
589 if (v[i].entry != NULL)
592 entry = default_entry;
595 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
597 if (*initial_symbol_char != '\0')
601 /* lang_default_entry expects its argument to be permanently
602 allocated, so we don't free this string. */
603 alc_entry = xmalloc (strlen (initial_symbol_char)
606 strcpy (alc_entry, initial_symbol_char);
607 strcat (alc_entry, entry);
611 lang_default_entry (entry);
615 set_pe_subsystem (void)
621 unsigned long temp_subsystem;
638 /* Check for the presence of a version number. */
639 sver = strchr (optarg, ':');
641 len = strlen (optarg);
645 set_pe_name ("__major_subsystem_version__",
646 strtoul (sver + 1, &end, 0));
648 set_pe_name ("__minor_subsystem_version__",
649 strtoul (end + 1, &end, 0));
651 einfo (_("%P: warning: bad version number in -subsystem option\n"));
654 /* Check for numeric subsystem. */
655 temp_subsystem = strtoul (optarg, & end, 0);
656 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
658 /* Search list for a numeric match to use its entry point. */
659 for (i = 0; v[i].name; i++)
660 if (v[i].value == (int) temp_subsystem)
663 /* Use this subsystem. */
664 pe_subsystem = (int) temp_subsystem;
668 /* Search for subsystem by name. */
669 for (i = 0; v[i].name; i++)
670 if (strncmp (optarg, v[i].name, len) == 0
671 && v[i].name[len] == '\0')
674 if (v[i].name == NULL)
676 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
680 pe_subsystem = v[i].value;
683 set_pe_name ("__subsystem__", pe_subsystem);
690 set_pe_value (char *name)
694 set_pe_name (name, strtoul (optarg, &end, 0));
697 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
704 set_pe_stack_heap (char *resname, char *comname)
706 set_pe_value (resname);
711 set_pe_value (comname);
714 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
717 #define DEFAULT_BUILD_ID_STYLE "md5"
720 gld${EMULATION_NAME}_handle_option (int optc)
727 case OPTION_BASE_FILE:
728 link_info.base_file = fopen (optarg, FOPEN_WB);
729 if (link_info.base_file == NULL)
730 einfo (_("%F%P: cannot open base file %s\n"), optarg);
735 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
738 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
740 case OPTION_SUBSYSTEM:
743 case OPTION_MAJOR_OS_VERSION:
744 set_pe_value ("__major_os_version__");
746 case OPTION_MINOR_OS_VERSION:
747 set_pe_value ("__minor_os_version__");
749 case OPTION_MAJOR_SUBSYSTEM_VERSION:
750 set_pe_value ("__major_subsystem_version__");
752 case OPTION_MINOR_SUBSYSTEM_VERSION:
753 set_pe_value ("__minor_subsystem_version__");
755 case OPTION_MAJOR_IMAGE_VERSION:
756 set_pe_value ("__major_image_version__");
758 case OPTION_MINOR_IMAGE_VERSION:
759 set_pe_value ("__minor_image_version__");
761 case OPTION_FILE_ALIGNMENT:
762 set_pe_value ("__file_alignment__");
764 case OPTION_SECTION_ALIGNMENT:
765 set_pe_value ("__section_alignment__");
768 set_pe_name ("__dll__", 1);
770 case OPTION_IMAGE_BASE:
771 set_pe_value ("__image_base__");
773 case OPTION_SUPPORT_OLD_CODE:
774 support_old_code = 1;
776 case OPTION_THUMB_ENTRY:
777 thumb_entry_symbol = optarg;
779 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
780 pe_use_nul_prefixed_import_tables = TRUE;
782 case OPTION_NO_LEADING_UNDERSCORE:
783 pe_leading_underscore = 0;
785 case OPTION_LEADING_UNDERSCORE:
786 pe_leading_underscore = 1;
788 case OPTION_INSERT_TIMESTAMP:
789 insert_timestamp = TRUE;
791 case OPTION_NO_INSERT_TIMESTAMP:
792 insert_timestamp = FALSE;
796 pe_out_def_filename = xstrdup (optarg);
798 case OPTION_EXPORT_ALL:
799 pe_dll_export_everything = 1;
801 case OPTION_EXCLUDE_SYMBOLS:
802 pe_dll_add_excludes (optarg, EXCLUDESYMS);
804 case OPTION_EXCLUDE_ALL_SYMBOLS:
805 pe_dll_exclude_all_symbols = 1;
807 case OPTION_EXCLUDE_LIBS:
808 pe_dll_add_excludes (optarg, EXCLUDELIBS);
810 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
811 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
813 case OPTION_KILL_ATS:
816 case OPTION_STDCALL_ALIASES:
817 pe_dll_stdcall_aliases = 1;
819 case OPTION_ENABLE_STDCALL_FIXUP:
820 pe_enable_stdcall_fixup = 1;
822 case OPTION_DISABLE_STDCALL_FIXUP:
823 pe_enable_stdcall_fixup = 0;
825 case OPTION_WARN_DUPLICATE_EXPORTS:
826 pe_dll_warn_dup_exports = 1;
828 case OPTION_IMP_COMPAT:
829 pe_dll_compat_implib = 1;
831 case OPTION_ENABLE_AUTO_IMAGE_BASE:
832 pe_enable_auto_image_base = 1;
833 if (optarg && *optarg)
836 pe_auto_image_base = strtoul (optarg, &end, 0);
837 /* XXX should check that we actually parsed something */
840 case OPTION_DISABLE_AUTO_IMAGE_BASE:
841 pe_enable_auto_image_base = 0;
843 case OPTION_DLL_SEARCH_PREFIX:
844 pe_dll_search_prefix = xstrdup (optarg);
846 case OPTION_NO_DEFAULT_EXCLUDES:
847 pe_dll_do_default_excludes = 0;
849 case OPTION_DLL_ENABLE_AUTO_IMPORT:
850 link_info.pei386_auto_import = 1;
852 case OPTION_DLL_DISABLE_AUTO_IMPORT:
853 link_info.pei386_auto_import = 0;
855 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
856 link_info.pei386_runtime_pseudo_reloc =
857 DEFAULT_PSEUDO_RELOC_VERSION;
859 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
860 link_info.pei386_runtime_pseudo_reloc = 1;
862 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
863 link_info.pei386_runtime_pseudo_reloc = 2;
865 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
866 link_info.pei386_runtime_pseudo_reloc = 0;
868 case OPTION_ENABLE_EXTRA_PE_DEBUG:
869 pe_dll_extra_pe_debug = 1;
872 case OPTION_LARGE_ADDRESS_AWARE:
873 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
875 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
876 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
878 case OPTION_ENABLE_LONG_SECTION_NAMES:
879 pe_use_coff_long_section_names = 1;
881 case OPTION_DISABLE_LONG_SECTION_NAMES:
882 pe_use_coff_long_section_names = 0;
884 /* Get DLLCharacteristics bits */
885 case OPTION_DYNAMIC_BASE:
886 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
888 case OPTION_ENABLE_RELOC_SECTION:
889 pe_dll_enable_reloc_section = 1;
891 case OPTION_DISABLE_RELOC_SECTION:
892 pe_dll_enable_reloc_section = 0;
894 case OPTION_DISABLE_DYNAMIC_BASE:
895 pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
897 case OPTION_FORCE_INTEGRITY:
898 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
900 case OPTION_DISABLE_FORCE_INTEGRITY:
901 pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
903 case OPTION_NX_COMPAT:
904 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
906 case OPTION_DISABLE_NX_COMPAT:
907 pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
909 case OPTION_NO_ISOLATION:
910 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
912 case OPTION_DISABLE_NO_ISOLATION:
913 pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
916 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
918 case OPTION_DISABLE_NO_SEH:
919 pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_SEH;
922 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
924 case OPTION_DISABLE_NO_BIND:
925 pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_BIND;
927 case OPTION_WDM_DRIVER:
928 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
930 case OPTION_DISABLE_WDM_DRIVER:
931 pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
933 case OPTION_TERMINAL_SERVER_AWARE:
934 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
936 case OPTION_DISABLE_TERMINAL_SERVER_AWARE:
937 pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
939 case OPTION_BUILD_ID:
940 free ((char *) emit_build_id);
941 emit_build_id = NULL;
943 optarg = DEFAULT_BUILD_ID_STYLE;
944 if (strcmp (optarg, "none"))
945 emit_build_id = xstrdup (optarg);
949 /* Set DLLCharacteristics bits */
950 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
958 strhash (const char *str)
960 const unsigned char *s;
967 s = (const unsigned char *) str;
968 while ((c = *s++) != '\0')
970 hash += c + (c << 17);
974 hash += len + (len << 17);
980 /* Use the output file to create a image base for relocatable DLLs. */
983 compute_dll_image_base (const char *ofile)
985 unsigned long hash = strhash (ofile);
986 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
990 /* Assign values to the special symbols before the linker script is
994 gld_${EMULATION_NAME}_set_symbols (void)
996 /* Run through and invent symbols for all the
997 names and insert the defaults. */
1002 if (!init[IMAGEBASEOFF].inited)
1004 if (bfd_link_relocatable (&link_info))
1005 init[IMAGEBASEOFF].value = 0;
1006 else if (init[DLLOFF].value || bfd_link_dll (&link_info))
1009 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
1010 ? compute_dll_image_base (output_filename)
1011 : NT_DLL_IMAGE_BASE);
1013 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
1017 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
1018 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
1021 /* Don't do any symbol assignments if this is a relocatable link. */
1022 if (bfd_link_relocatable (&link_info))
1025 /* Glue the assignments into the abs section. */
1026 push_stat_ptr (&abs_output_section->children);
1028 for (j = 0; init[j].ptr; j++)
1030 long val = init[j].value;
1031 lang_assignment_statement_type *rv;
1033 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
1034 exp_intop (val), FALSE));
1035 if (init[j].size == sizeof (short))
1036 *(short *) init[j].ptr = val;
1037 else if (init[j].size == sizeof (int))
1038 *(int *) init[j].ptr = val;
1039 else if (init[j].size == sizeof (long))
1040 *(long *) init[j].ptr = val;
1041 /* This might be a long long or other special type. */
1042 else if (init[j].size == sizeof (bfd_vma))
1043 *(bfd_vma *) init[j].ptr = val;
1045 if (j == IMAGEBASEOFF)
1046 image_base_statement = rv;
1048 /* Restore the pointer. */
1051 if (pe.FileAlignment > pe.SectionAlignment)
1053 einfo (_("%P: warning, file alignment > section alignment\n"));
1057 /* This is called after the linker script and the command line options
1061 gld_${EMULATION_NAME}_after_parse (void)
1063 /* PR ld/6744: Warn the user if they have used an ELF-only
1064 option hoping it will work on PE. */
1065 if (link_info.export_dynamic)
1066 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1067 "targets, did you mean --export-all-symbols?\n"));
1071 after_parse_default ();
1075 static struct bfd_link_hash_entry *pe_undef_found_sym;
1078 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
1082 const char *hs = h->root.string;
1084 sl = strlen (string);
1085 if (h->type == bfd_link_hash_defined
1086 && ((*hs == '@' && *string == '_'
1087 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1088 || strncmp (hs, string, sl) == 0)
1089 && h->root.string[sl] == '@')
1091 pe_undef_found_sym = h;
1097 /* Change UNDEF to a defined symbol, taking data from SYM. */
1100 change_undef (struct bfd_link_hash_entry * undef,
1101 struct bfd_link_hash_entry * sym)
1103 static bfd_boolean gave_warning_message = FALSE;
1105 undef->type = bfd_link_hash_defined;
1106 undef->u.def.value = sym->u.def.value;
1107 undef->u.def.section = sym->u.def.section;
1109 if (pe_enable_stdcall_fixup == -1)
1111 einfo (_("%P: warning: resolving %s by linking to %s\n"),
1112 undef->root.string, sym->root.string);
1114 if (! gave_warning_message)
1116 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1117 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1118 gave_warning_message = TRUE;
1122 /* PR 19803: Make sure that the linked symbol is not garbage collected. */
1123 lang_add_gc_name (sym->root.string);
1127 pe_fixup_stdcalls (void)
1129 struct bfd_link_hash_entry *undef, *sym;
1131 if (pe_dll_extra_pe_debug)
1132 printf ("%s\n", __FUNCTION__);
1134 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1135 if (undef->type == bfd_link_hash_undefined)
1137 const char * name = undef->root.string;
1139 int lead_at = (*name == '@');
1142 at = strchr (name + 1, '@');
1144 at = strchr (name, '@');
1148 /* The symbol is a stdcall symbol, so let's look for a
1149 cdecl symbol with the same name and resolve to that. */
1150 char *cname = xstrdup (name);
1155 * strchr (cname, '@') = 0;
1156 sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE);
1158 if (sym && sym->type == bfd_link_hash_defined)
1159 change_undef (undef, sym);
1163 /* The symbol is a cdecl symbol, so we look for stdcall
1164 symbols - which means scanning the whole symbol table. */
1165 pe_undef_found_sym = NULL;
1166 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
1168 if (pe_undef_found_sym)
1169 change_undef (undef, pe_undef_found_sym);
1175 make_import_fixup (arelent *rel, asection *s, char *name, const char *symname)
1177 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1181 if (pe_dll_extra_pe_debug)
1182 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1183 (unsigned long) rel->address, (long) rel->addend);
1185 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
1186 einfo (_("%P: %C: cannot get section contents - auto-import exception\n"),
1187 s->owner, s, rel->address);
1189 _addend = bfd_get_32 (s->owner, addend);
1190 pe_create_import_fixup (rel, s, _addend, name, symname);
1194 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1196 printf ("+%s\n", h->string);
1200 #endif /* DLL_SUPPORT */
1203 debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1205 int *found = (int *) obj;
1206 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1211 pecoff_checksum_contents (bfd *abfd,
1212 void (*process) (const void *, size_t, void *),
1215 file_ptr filepos = (file_ptr) 0;
1222 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
1225 status = bfd_bread (&b, (bfd_size_type) 1, abfd);
1231 (*process) (&b, 1, arg);
1239 write_build_id (bfd *abfd)
1241 struct pe_tdata *t = pe_data (abfd);
1243 struct bfd_link_order *link_order = NULL;
1244 unsigned char *contents;
1246 bfd_size_type build_id_size;
1247 unsigned char *build_id;
1249 /* Find the section the .buildid output section has been merged info. */
1250 for (asec = abfd->sections; asec != NULL; asec = asec->next)
1252 struct bfd_link_order *l = NULL;
1253 for (l = asec->map_head.link_order; l != NULL; l = l->next)
1255 if (l->type == bfd_indirect_link_order)
1257 if (l->u.indirect.section == t->build_id.sec)
1271 einfo (_("%P: warning: .buildid section discarded,"
1272 " --build-id ignored\n"));
1276 if (t->build_id.sec->contents == NULL)
1277 t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
1278 contents = t->build_id.sec->contents;
1279 size = t->build_id.sec->size;
1281 build_id_size = compute_build_id_size (t->build_id.style);
1282 build_id = xmalloc (build_id_size);
1283 generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
1285 bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
1287 /* Construct a debug directory entry which points to an immediately following CodeView record. */
1288 struct internal_IMAGE_DEBUG_DIRECTORY idd;
1289 idd.Characteristics = 0;
1290 idd.TimeDateStamp = 0;
1291 idd.MajorVersion = 0;
1292 idd.MinorVersion = 0;
1293 idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
1294 idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
1295 idd.AddressOfRawData = asec->vma - ib + link_order->offset
1296 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1297 idd.PointerToRawData = asec->filepos + link_order->offset
1298 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1300 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
1301 _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
1303 /* Write the debug directory entry. */
1304 if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
1307 if (bfd_bwrite (contents, size, abfd) != size)
1310 /* Construct the CodeView record. */
1311 CODEVIEW_INFO cvinfo;
1312 cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
1315 /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
1316 memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
1317 memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
1318 ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
1322 /* Write the codeview record. */
1323 if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
1326 /* Record the location of the debug directory in the data directory. */
1327 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
1328 = asec->vma - ib + link_order->offset;
1329 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
1330 = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1335 /* Make .buildid section, and set up coff_tdata->build_id. */
1337 setup_build_id (bfd *ibfd)
1342 if (!validate_build_id_style (emit_build_id))
1344 einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
1348 flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1349 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
1350 s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
1353 struct pe_tdata *t = pe_data (link_info.output_bfd);
1354 t->build_id.after_write_object_contents = &write_build_id;
1355 t->build_id.style = emit_build_id;
1356 t->build_id.sec = s;
1358 /* Section is a fixed size:
1359 One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
1360 pointing at a CV_INFO_PDB70 record containing the build-id, with a
1361 null byte for PdbFileName. */
1362 s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
1363 + sizeof (CV_INFO_PDB70) + 1;
1368 einfo (_("%P: warning: cannot create .buildid section,"
1369 " --build-id ignored\n"));
1374 gld_${EMULATION_NAME}_after_open (void)
1376 after_open_default ();
1379 if (pe_dll_extra_pe_debug)
1382 struct bfd_link_hash_entry *sym;
1384 printf ("%s()\n", __FUNCTION__);
1386 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1387 printf ("-%s\n", sym->root.string);
1388 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1390 for (a = link_info.input_bfds; a; a = a->link.next)
1391 printf ("*%s\n", bfd_get_filename (a));
1395 if (emit_build_id != NULL)
1399 /* Find a COFF input. */
1400 for (abfd = link_info.input_bfds;
1401 abfd != (bfd *) NULL; abfd = abfd->link.next)
1402 if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1405 /* If there are no COFF input files do not try to
1406 add a build-id section. */
1408 || !setup_build_id (abfd))
1410 free ((char *) emit_build_id);
1411 emit_build_id = NULL;
1415 /* Pass the wacky PE command line options into the output bfd.
1416 FIXME: This should be done via a function, rather than by
1417 including an internal BFD header. */
1419 if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour
1420 || coff_data (link_info.output_bfd) == NULL
1421 || coff_data (link_info.output_bfd)->pe == 0)
1422 einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"),
1423 link_info.output_bfd);
1425 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1426 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1427 pe_data (link_info.output_bfd)->real_flags |= real_flags;
1428 if (insert_timestamp)
1429 pe_data (link_info.output_bfd)->timestamp = -1;
1431 pe_data (link_info.output_bfd)->timestamp = 0;
1433 /* At this point we must decide whether to use long section names
1434 in the output or not. If the user hasn't explicitly specified
1435 on the command line, we leave it to the default for the format
1436 (object files yes, image files no), except if there is debug
1437 information present; GDB relies on the long section names to
1438 find it, so enable it in that case. */
1439 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1441 if (bfd_link_relocatable (&link_info))
1442 pe_use_coff_long_section_names = 1;
1445 /* Iterate over all sections of all input BFDs, checking
1446 for any that begin 'debug_' and are long names. */
1447 LANG_FOR_EACH_INPUT_STATEMENT (is)
1449 int found_debug = 0;
1451 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1454 pe_use_coff_long_section_names = 1;
1461 pe_output_file_set_long_section_names (link_info.output_bfd);
1464 pe_process_import_defs (link_info.output_bfd, &link_info);
1466 if (link_info.pei386_auto_import) /* -1=warn or 1=enable */
1467 pe_find_data_imports (U ("_head_"), make_import_fixup);
1469 /* The implementation of the feature is rather dumb and would cause the
1470 compilation time to go through the roof if there are many undefined
1471 symbols in the link, so it needs to be run after auto-import. */
1472 if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */
1473 pe_fixup_stdcalls ();
1475 #if defined (TARGET_IS_i386pe) \
1476 || defined (TARGET_IS_armpe) \
1477 || defined (TARGET_IS_arm_wince_pe)
1478 if (!bfd_link_relocatable (&link_info))
1479 pe_dll_build_sections (link_info.output_bfd, &link_info);
1481 if (bfd_link_pic (&link_info))
1482 pe_dll_build_sections (link_info.output_bfd, &link_info);
1484 pe_exe_build_sections (link_info.output_bfd, &link_info);
1486 #endif /* DLL_SUPPORT */
1488 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
1489 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
1491 /* The arm backend needs special fields in the output hash structure.
1492 These will only be created if the output format is an arm format,
1493 hence we do not support linking and changing output formats at the
1494 same time. Use a link followed by objcopy to change output formats. */
1495 einfo (_("%F%P: error: cannot change output format "
1496 "whilst linking %s binaries\n"), "ARM");
1500 /* Find a BFD that can hold the interworking stubs. */
1501 LANG_FOR_EACH_INPUT_STATEMENT (is)
1503 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1510 /* This next chunk of code tries to detect the case where you have
1511 two import libraries for the same DLL (specifically,
1512 symbolically linking libm.a and libc.a in cygwin to
1513 libcygwin.a). In those cases, it's possible for function
1514 thunks from the second implib to be used but without the
1515 head/tail objects, causing an improper import table. We detect
1516 those cases and rename the "other" import libraries to match
1517 the one the head/tail come from, so that the linker will sort
1518 things nicely and produce a valid import table. */
1520 LANG_FOR_EACH_INPUT_STATEMENT (is)
1522 if (is->the_bfd->my_archive)
1524 int idata2 = 0, reloc_count=0, is_imp = 0;
1527 /* See if this is an import library thunk. */
1528 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1530 if (strcmp (sec->name, ".idata\$2") == 0)
1532 if (CONST_STRNEQ (sec->name, ".idata\$"))
1534 reloc_count += sec->reloc_count;
1537 if (is_imp && !idata2 && reloc_count)
1539 /* It is, look for the reference to head and see if it's
1540 from our own library. */
1541 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1549 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1553 if (!bfd_generic_link_read_symbols (is->the_bfd))
1555 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
1559 symbols = bfd_get_outsymbols (is->the_bfd);
1561 relocs = xmalloc ((size_t) relsize);
1562 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1567 einfo (_("%X%P: unable to process relocs: %E\n"));
1571 for (i = 0; i < nrelocs; i++)
1573 struct bfd_symbol *s;
1574 struct bfd_link_hash_entry * blhe;
1575 const char *other_bfd_filename;
1577 s = (relocs[i]->sym_ptr_ptr)[0];
1579 if (s->flags & BSF_LOCAL)
1582 /* Thunk section with reloc to another bfd. */
1583 blhe = bfd_link_hash_lookup (link_info.hash,
1585 FALSE, FALSE, TRUE);
1588 || blhe->type != bfd_link_hash_defined)
1592 = blhe->u.def.section->owner->my_archive
1593 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1594 : bfd_get_filename (blhe->u.def.section->owner);
1596 if (filename_cmp (bfd_get_filename
1597 (is->the_bfd->my_archive),
1598 other_bfd_filename) == 0)
1601 /* Rename this implib to match the other one. */
1602 if (!bfd_set_filename (is->the_bfd->my_archive,
1603 other_bfd_filename))
1604 einfo ("%F%P: %pB: %E\n", is->the_bfd);
1608 /* Note - we do not free the symbols,
1609 they are now cached in the BFD. */
1619 lang_input_statement_type *is2;
1620 lang_input_statement_type *is3;
1622 /* Careful - this is a shell script. Watch those dollar signs! */
1623 /* Microsoft import libraries have every member named the same,
1624 and not in the right order for us to link them correctly. We
1625 must detect these and rename the members so that they'll link
1626 correctly. There are three types of objects: the head, the
1627 thunks, and the sentinel(s). The head is easy; it's the one
1628 with idata2. We assume that the sentinels won't have relocs,
1629 and the thunks will. It's easier than checking the symbol
1630 table for external references. */
1631 LANG_FOR_EACH_INPUT_STATEMENT (is)
1633 if (is->the_bfd->my_archive)
1636 bfd *arch = is->the_bfd->my_archive;
1638 if (cur_arch != arch)
1644 is3 && is3->the_bfd->my_archive == arch;
1645 is3 = (lang_input_statement_type *) is3->next)
1647 /* A MS dynamic import library can also contain static
1648 members, so look for the first element with a .dll
1649 extension, and use that for the remainder of the
1651 pnt = strrchr (bfd_get_filename (is3->the_bfd), '.');
1652 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1660 /* OK, found one. Now look to see if the remaining
1661 (dynamic import) members use the same name. */
1663 is2 && is2->the_bfd->my_archive == arch;
1664 is2 = (lang_input_statement_type *) is2->next)
1666 /* Skip static members, ie anything with a .obj
1668 pnt = strrchr (bfd_get_filename (is2->the_bfd), '.');
1669 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1672 if (filename_cmp (bfd_get_filename (is3->the_bfd),
1673 bfd_get_filename (is2->the_bfd)))
1682 /* This fragment might have come from an .obj file in a Microsoft
1683 import, and not an actual import record. If this is the case,
1684 then leave the filename alone. */
1685 pnt = strrchr (bfd_get_filename (is->the_bfd), '.');
1687 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1689 int idata2 = 0, reloc_count=0;
1691 char *new_name, seq;
1693 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1695 if (strcmp (sec->name, ".idata\$2") == 0)
1697 reloc_count += sec->reloc_count;
1700 if (idata2) /* .idata2 is the TOC */
1702 else if (reloc_count > 0) /* thunks */
1708 = xmalloc (strlen (bfd_get_filename (is->the_bfd)) + 3);
1709 sprintf (new_name, "%s.%c",
1710 bfd_get_filename (is->the_bfd), seq);
1711 is->filename = bfd_set_filename (is->the_bfd, new_name);
1714 einfo ("%F%P: %pB: %E\n", is->the_bfd);
1721 /* The following chunk of code tries to identify jump stubs in
1722 import libraries which are dead code and eliminates them
1723 from the final link. For each exported symbol <sym>, there
1724 is a object file in the import library with a .text section
1725 and several .idata\$* sections. The .text section contains the
1726 symbol definition for <sym> which is a jump stub of the form
1727 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
1728 for __imp_<sym> which is the address of the slot for <sym> in
1729 the import address table. When a symbol is imported explicitly
1730 using __declspec(dllimport) declaration, the compiler generates
1731 a reference to __imp_<sym> which directly resolves to the
1732 symbol in .idata\$5, in which case the jump stub code is not
1733 needed. The following code tries to identify jump stub sections
1734 in import libraries which are not referred to by anyone and
1735 marks them for exclusion from the final link. */
1736 LANG_FOR_EACH_INPUT_STATEMENT (is)
1738 if (is->the_bfd->my_archive)
1741 asection *sec, *stub_sec = NULL;
1743 /* See if this is an import library thunk. */
1744 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1746 if (strncmp (sec->name, ".idata\$", 7) == 0)
1748 /* The section containing the jmp stub has code
1750 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1754 if (is_imp && stub_sec)
1757 long nsyms, src_count;
1758 struct bfd_link_hash_entry * blhe;
1760 if (!bfd_generic_link_read_symbols (is->the_bfd))
1762 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
1766 symbols = bfd_get_outsymbols (is->the_bfd);
1767 nsyms = bfd_get_symcount (is->the_bfd);
1769 for (src_count = 0; src_count < nsyms; src_count++)
1771 if (symbols[src_count]->section->id == stub_sec->id)
1773 /* This symbol belongs to the section containing
1775 blhe = bfd_link_hash_lookup (link_info.hash,
1776 symbols[src_count]->name,
1777 FALSE, FALSE, TRUE);
1778 /* If the symbol in the stub section has no other
1779 undefined references, exclude the stub section
1780 from the final link. */
1782 && blhe->type == bfd_link_hash_defined
1783 && blhe->u.undef.next == NULL
1784 && blhe != link_info.hash->undefs_tail)
1785 stub_sec->flags |= SEC_EXCLUDE;
1795 gld_${EMULATION_NAME}_before_allocation (void)
1797 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
1798 /* FIXME: we should be able to set the size of the interworking stub
1801 Here we rummage through the found bfds to collect glue
1802 information. FIXME: should this be based on a command line
1805 LANG_FOR_EACH_INPUT_STATEMENT (is)
1807 if (! bfd_arm_process_before_allocation
1808 (is->the_bfd, & link_info, support_old_code))
1810 /* xgettext:c-format */
1811 einfo (_("%P: errors encountered processing file %s for interworking\n"),
1817 /* We have seen it all. Allocate it, and carry on. */
1818 bfd_arm_allocate_interworking_sections (& link_info);
1819 #endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */
1821 before_allocation_default ();
1825 /* This is called when an input file isn't recognized as a BFD. We
1826 check here for .DEF files and pull them in automatically. */
1829 saw_option (char *option)
1833 for (i = 0; init[i].ptr; i++)
1834 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1835 return init[i].inited;
1838 #endif /* DLL_SUPPORT */
1841 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1844 const char *ext = entry->filename + strlen (entry->filename) - 4;
1846 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1848 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1852 int i, buflen=0, len;
1855 for (i = 0; i < pe_def_file->num_exports; i++)
1857 len = strlen (pe_def_file->exports[i].internal_name);
1858 if (buflen < len + 2)
1862 buf = xmalloc (buflen);
1864 for (i = 0; i < pe_def_file->num_exports; i++)
1866 struct bfd_link_hash_entry *h;
1868 sprintf (buf, "%s%s", U (""),
1869 pe_def_file->exports[i].internal_name);
1871 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1872 if (h == (struct bfd_link_hash_entry *) NULL)
1873 einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n"));
1874 if (h->type == bfd_link_hash_new)
1876 h->type = bfd_link_hash_undefined;
1877 h->u.undef.abfd = NULL;
1878 bfd_link_add_undef (link_info.hash, h);
1883 /* def_file_print (stdout, pe_def_file); */
1884 if (pe_def_file->is_dll == 1)
1885 link_info.type = type_dll;
1887 if (pe_def_file->base_address != (bfd_vma)(-1))
1890 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1891 = init[IMAGEBASEOFF].value
1892 = pe_def_file->base_address;
1893 init[IMAGEBASEOFF].inited = 1;
1894 if (image_base_statement)
1895 image_base_statement->exp
1896 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1900 if (pe_def_file->stack_reserve != -1
1901 && ! saw_option ("__size_of_stack_reserve__"))
1903 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1904 if (pe_def_file->stack_commit != -1)
1905 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1907 if (pe_def_file->heap_reserve != -1
1908 && ! saw_option ("__size_of_heap_reserve__"))
1910 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1911 if (pe_def_file->heap_commit != -1)
1912 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1922 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1925 #ifdef TARGET_IS_i386pe
1926 pe_dll_id_target ("pei-i386");
1928 #ifdef TARGET_IS_shpe
1929 pe_dll_id_target ("pei-shl");
1931 #ifdef TARGET_IS_armpe
1932 pe_dll_id_target ("pei-arm-little");
1934 #ifdef TARGET_IS_arm_wince_pe
1935 pe_dll_id_target ("pei-arm-wince-little");
1937 if (pe_bfd_is_dll (entry->the_bfd))
1938 return pe_implied_import_dll (entry->filename);
1944 gld_${EMULATION_NAME}_finish (void)
1946 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
1947 struct bfd_link_hash_entry * h;
1949 if (thumb_entry_symbol != NULL)
1951 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1952 FALSE, FALSE, TRUE);
1954 if (h != (struct bfd_link_hash_entry *) NULL
1955 && (h->type == bfd_link_hash_defined
1956 || h->type == bfd_link_hash_defweak)
1957 && h->u.def.section->output_section != NULL)
1959 static char buffer[32];
1962 /* Special procesing is required for a Thumb entry symbol. The
1963 bottom bit of its address must be set. */
1964 val = (h->u.def.value
1965 + bfd_section_vma (h->u.def.section->output_section)
1966 + h->u.def.section->output_offset);
1970 /* Now convert this value into a string and store it in entry_symbol
1971 where the lang_finish() function will pick it up. */
1975 sprintf_vma (buffer + 2, val);
1977 if (entry_symbol.name != NULL && entry_from_cmdline)
1978 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1979 thumb_entry_symbol, entry_symbol.name);
1980 entry_symbol.name = buffer;
1983 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
1985 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */
1990 if (bfd_link_pic (&link_info)
1991 #if !defined(TARGET_IS_shpe)
1992 || pe_dll_enable_reloc_section
1993 || (!bfd_link_relocatable (&link_info)
1994 && pe_def_file->num_exports != 0)
1998 pe_dll_fill_sections (link_info.output_bfd, &link_info);
1999 if (command_line.out_implib_filename
2000 && (pe_def_file->num_exports != 0
2001 || bfd_link_pic (&link_info)))
2002 pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename,
2005 #if defined(TARGET_IS_shpe)
2006 /* ARM doesn't need relocs. */
2009 pe_exe_fill_sections (link_info.output_bfd, &link_info);
2013 if (pe_out_def_filename)
2014 pe_dll_generate_def_file (pe_out_def_filename);
2015 #endif /* DLL_SUPPORT */
2017 /* I don't know where .idata gets set as code, but it shouldn't be. */
2019 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
2023 asec->flags &= ~SEC_CODE;
2024 asec->flags |= SEC_DATA;
2030 /* Place an orphan section.
2032 We use this to put sections in a reasonable place in the file, and
2033 to ensure that they are aligned as required.
2035 We handle grouped sections here as well. A section named .foo\$nn
2036 goes into the output section .foo. All grouped sections are sorted
2039 Grouped sections for the default sections are handled by the
2040 default linker script using wildcards, and are sorted by
2043 static lang_output_section_statement_type *
2044 gld_${EMULATION_NAME}_place_orphan (asection *s,
2045 const char *secname,
2048 const char *orig_secname = secname;
2049 char *dollar = NULL;
2050 lang_output_section_statement_type *os;
2051 lang_statement_list_type add_child;
2052 lang_output_section_statement_type *match_by_name = NULL;
2053 lang_statement_union_type **pl;
2055 /* Look through the script to see where to place this section. */
2056 if (!bfd_link_relocatable (&link_info)
2057 && (dollar = strchr (secname, '\$')) != NULL)
2059 size_t len = dollar - secname;
2060 char *newname = xmalloc (len + 1);
2061 memcpy (newname, secname, len);
2062 newname[len] = '\0';
2066 lang_list_init (&add_child);
2069 if (constraint == 0)
2070 for (os = lang_output_section_find (secname);
2072 os = next_matching_output_section_statement (os, 0))
2074 /* If we don't match an existing output section, tell
2075 lang_insert_orphan to create a new output section. */
2076 constraint = SPECIAL;
2078 if (os->bfd_section != NULL
2079 && (os->bfd_section->flags == 0
2080 || ((s->flags ^ os->bfd_section->flags)
2081 & (SEC_LOAD | SEC_ALLOC)) == 0))
2083 /* We already have an output section statement with this
2084 name, and its bfd section has compatible flags.
2085 If the section already exists but does not have any flags set,
2086 then it has been created by the linker, probably as a result of
2087 a --section-start command line switch. */
2088 lang_add_section (&add_child, s, NULL, os);
2092 /* Save unused output sections in case we can match them
2093 against orphans later. */
2094 if (os->bfd_section == NULL)
2098 /* If we didn't match an active output section, see if we matched an
2099 unused one and use that. */
2100 if (os == NULL && match_by_name)
2102 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
2103 return match_by_name;
2108 static struct orphan_save hold[] =
2111 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2114 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2117 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2120 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2126 enum orphan_save_index
2134 static int orphan_init_done = 0;
2135 struct orphan_save *place;
2136 lang_output_section_statement_type *after;
2137 etree_type *address;
2141 if (!orphan_init_done)
2143 struct orphan_save *ho;
2144 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2145 if (ho->name != NULL)
2147 ho->os = lang_output_section_find (ho->name);
2148 if (ho->os != NULL && ho->os->flags == 0)
2149 ho->os->flags = ho->flags;
2151 orphan_init_done = 1;
2155 if (!bfd_link_relocatable (&link_info))
2158 while ((nexts = bfd_get_next_section_by_name (nexts->owner,
2160 if (nexts->output_section == NULL
2161 && (nexts->flags & SEC_EXCLUDE) == 0
2162 && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
2163 && (nexts->owner->flags & DYNAMIC) == 0
2164 && !bfd_input_just_syms (nexts->owner))
2165 flags = (((flags ^ SEC_READONLY)
2166 | (nexts->flags ^ SEC_READONLY))
2170 /* Try to put the new output section in a reasonable place based
2171 on the section name and section flags. */
2174 if ((flags & SEC_ALLOC) == 0)
2176 else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2177 place = &hold[orphan_bss];
2178 else if ((flags & SEC_READONLY) == 0)
2179 place = &hold[orphan_data];
2180 else if ((flags & SEC_CODE) == 0)
2182 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2183 : &hold[orphan_rodata]);
2186 place = &hold[orphan_text];
2191 if (place->os == NULL)
2192 place->os = lang_output_section_find (place->name);
2195 after = lang_output_section_find_by_flags (s, flags, &place->os,
2198 /* *ABS* is always the first output section statement. */
2199 after = (void *) lang_os_list.head;
2202 /* All sections in an executable must be aligned to a page boundary.
2203 In a relocatable link, just preserve the incoming alignment; the
2204 address is discarded by lang_insert_orphan in that case, anyway. */
2205 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
2206 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2208 if (bfd_link_relocatable (&link_info))
2210 os->section_alignment = exp_intop (1U << s->alignment_power);
2211 os->bfd_section->alignment_power = s->alignment_power;
2215 /* If the section name has a '\$', sort it with the other '\$'
2217 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2219 lang_input_section_type *ls;
2222 if ((*pl)->header.type != lang_input_section_enum)
2225 ls = &(*pl)->input_section;
2227 lname = bfd_section_name (ls->section);
2228 if (strchr (lname, '\$') != NULL
2229 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2233 if (add_child.head != NULL)
2235 *add_child.tail = *pl;
2236 *pl = add_child.head;
2243 gld_${EMULATION_NAME}_open_dynamic_archive
2244 (const char *arch ATTRIBUTE_UNUSED,
2245 search_dirs_type *search,
2246 lang_input_statement_type *entry)
2250 const char * format;
2251 bfd_boolean use_prefix;
2255 /* Preferred explicit import library for dll's. */
2256 { "lib%s.dll.a", FALSE },
2257 /* Alternate explicit import library for dll's. */
2258 { "%s.dll.a", FALSE },
2259 /* "libfoo.a" could be either an import lib or a static lib.
2260 For backwards compatibility, libfoo.a needs to precede
2261 libfoo.dll and foo.dll in the search. */
2262 { "lib%s.a", FALSE },
2263 /* The 'native' spelling of an import lib name is "foo.lib". */
2264 { "%s.lib", FALSE },
2265 /* PR 22948 - Check for an import library. */
2266 { "lib%s.lib", FALSE },
2268 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2269 { "%s%s.dll", TRUE },
2271 /* Try "libfoo.dll" (default preferred dll name). */
2272 { "lib%s.dll", FALSE },
2273 /* Finally try 'native' dll name "foo.dll". */
2274 { "%s.dll", FALSE },
2275 /* Note: If adding more formats to this table, make sure to check to
2276 see if their length is longer than libname_fmt[0].format, and if
2277 so, update the call to xmalloc() below. */
2280 static unsigned int format_max_len = 0;
2281 const char * filename;
2287 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
2290 filename = entry->filename;
2292 if (format_max_len == 0)
2293 /* We need to allow space in the memory that we are going to allocate
2294 for the characters in the format string. Since the format array is
2295 static we only need to calculate this information once. In theory
2296 this value could also be computed statically, but this introduces
2297 the possibility for a discrepancy and hence a possible memory
2298 corruption. The lengths we compute here will be too long because
2299 they will include any formating characters (%s) in the strings, but
2300 this will not matter. */
2301 for (i = 0; libname_fmt[i].format; i++)
2302 if (format_max_len < strlen (libname_fmt[i].format))
2303 format_max_len = strlen (libname_fmt[i].format);
2305 full_string = xmalloc (strlen (search->name)
2309 + (pe_dll_search_prefix
2310 ? strlen (pe_dll_search_prefix) : 0)
2312 /* Allow for the terminating NUL and for the path
2313 separator character that is inserted between
2314 search->name and the start of the format string. */
2317 sprintf (full_string, "%s/", search->name);
2318 base_string = full_string + strlen (full_string);
2320 for (i = 0; libname_fmt[i].format; i++)
2323 if (libname_fmt[i].use_prefix)
2325 if (!pe_dll_search_prefix)
2327 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
2331 sprintf (base_string, libname_fmt[i].format, filename);
2333 if (ldfile_try_open_bfd (full_string, entry))
2337 if (!libname_fmt[i].format)
2343 entry->filename = full_string;
2349 gld_${EMULATION_NAME}_find_potential_libraries
2350 (char *name, lang_input_statement_type *entry)
2352 return ldfile_open_file_search (name, entry, "", ".lib");
2356 gld_${EMULATION_NAME}_get_script (int *isfile)
2358 # Scripts compiled in.
2359 # sed commands to quote an ld script as a C string.
2360 sc="-f stringify.sed"
2366 if (bfd_link_relocatable (&link_info) && config.build_constructors)
2369 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2370 echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
2371 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2372 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2373 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2374 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2375 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
2376 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2377 echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
2378 sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2380 echo ' ; else return' >> e${EMULATION_NAME}.c
2381 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2382 echo '; }' >> e${EMULATION_NAME}.c
2387 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
2389 gld_${EMULATION_NAME}_before_parse,
2392 gld_${EMULATION_NAME}_after_parse,
2393 gld_${EMULATION_NAME}_after_open,
2394 after_check_relocs_default,
2395 before_place_orphans_default,
2396 after_allocation_default,
2397 set_output_arch_default,
2398 ldemul_default_target,
2399 gld_${EMULATION_NAME}_before_allocation,
2400 gld_${EMULATION_NAME}_get_script,
2401 "${EMULATION_NAME}",
2403 gld_${EMULATION_NAME}_finish,
2404 NULL, /* Create output section statements. */
2405 gld_${EMULATION_NAME}_open_dynamic_archive,
2406 gld_${EMULATION_NAME}_place_orphan,
2407 gld_${EMULATION_NAME}_set_symbols,
2408 NULL, /* parse_args */
2409 gld${EMULATION_NAME}_add_options,
2410 gld${EMULATION_NAME}_handle_option,
2411 gld_${EMULATION_NAME}_unrecognized_file,
2412 gld_${EMULATION_NAME}_list_options,
2413 gld_${EMULATION_NAME}_recognized_file,
2414 gld_${EMULATION_NAME}_find_potential_libraries,
2415 NULL, /* new_vers_pattern. */
2416 NULL, /* extra_map_file_text. */
2417 ${LDEMUL_EMIT_CTF_EARLY-NULL},
2418 ${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL},
2419 ${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL},
2420 ${LDEMUL_PRINT_SYMBOL-NULL}