1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
4 if [ -z "$MACHINE" ]; then
7 OUTPUT_ARCH=${ARCH}:${MACHINE}
9 rm -f e${EMULATION_NAME}.c
10 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
11 cat >>e${EMULATION_NAME}.c <<EOF
12 /* This file is part of GLD, the Gnu Linker.
13 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
14 2005, 2006 Free Software Foundation, Inc.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
31 /* The original file generated returned different default scripts depending
32 on whether certain switches were set, but these switches pertain to the
33 Linux system and that particular version of coff. In the NT case, we
34 only determine if the subsystem is console or windows in order to select
35 the correct entry point by default. */
37 #define TARGET_IS_${EMULATION_NAME}
39 /* Do this before including bfd.h, so we prototype the right functions. */
41 #if defined(TARGET_IS_armpe) \
42 || defined(TARGET_IS_arm_epoc_pe) \
43 || defined(TARGET_IS_arm_wince_pe)
44 #define bfd_arm_allocate_interworking_sections \
45 bfd_${EMULATION_NAME}_allocate_interworking_sections
46 #define bfd_arm_get_bfd_for_interworking \
47 bfd_${EMULATION_NAME}_get_bfd_for_interworking
48 #define bfd_arm_process_before_allocation \
49 bfd_${EMULATION_NAME}_process_before_allocation
56 #include "libiberty.h"
67 #include "coff/internal.h"
69 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
70 header in generic PE code. */
71 #include "coff/i386.h"
74 /* FIXME: This is a BFD internal header file, and we should not be
76 #include "../bfd/libcoff.h"
80 #include "safe-ctype.h"
82 /* Permit the emulation parameters to override the default section
83 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
84 it seem that include/coff/internal.h should not define
85 PE_DEF_SECTION_ALIGNMENT. */
86 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
87 #undef PE_DEF_SECTION_ALIGNMENT
88 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
91 #if defined(TARGET_IS_i386pe) \
92 || defined(TARGET_IS_shpe) \
93 || defined(TARGET_IS_mipspe) \
94 || defined(TARGET_IS_armpe) \
95 || defined(TARGET_IS_arm_epoc_pe) \
96 || defined(TARGET_IS_arm_wince_pe)
100 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
101 #define PE_DEF_SUBSYSTEM 3
103 #undef NT_EXE_IMAGE_BASE
104 #undef PE_DEF_SECTION_ALIGNMENT
105 #undef PE_DEF_FILE_ALIGNMENT
106 #define NT_EXE_IMAGE_BASE 0x00010000
108 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
109 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
110 #define PE_DEF_SUBSYSTEM 9
112 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
113 #define PE_DEF_SUBSYSTEM 2
115 #define PE_DEF_FILE_ALIGNMENT 0x00000200
118 #define U(S) ${INITIAL_SYMBOL_CHAR} S
120 static struct internal_extra_pe_aouthdr pe;
122 static flagword real_flags = 0;
123 static int support_old_code = 0;
124 static char * thumb_entry_symbol = NULL;
125 static lang_assignment_statement_type *image_base_statement = 0;
128 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
129 static char *pe_out_def_filename = NULL;
130 static char *pe_implib_filename = NULL;
131 static int pe_enable_auto_image_base = 0;
132 static char *pe_dll_search_prefix = NULL;
135 extern const char *output_filename;
138 gld_${EMULATION_NAME}_before_parse (void)
140 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
141 output_filename = "${EXECUTABLE_NAME:-a.exe}";
143 config.dynamic_link = TRUE;
144 config.has_shared = 1;
145 link_info.pei386_auto_import = -1;
146 link_info.pei386_runtime_pseudo_reloc = -1;
148 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
149 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe
150 lang_default_entry ("WinMainCRTStartup");
152 lang_default_entry ("_WinMainCRTStartup");
155 lang_default_entry ("${ENTRY}");
160 /* PE format extra command line options. */
162 /* Used for setting flags in the PE header. */
163 #define OPTION_BASE_FILE (300 + 1)
164 #define OPTION_DLL (OPTION_BASE_FILE + 1)
165 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
166 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
167 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
168 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
169 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
170 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
171 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
172 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
173 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
174 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
175 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
176 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
177 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
178 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
179 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
180 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
181 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
182 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
183 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
184 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
185 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
186 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
187 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
188 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
189 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
190 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
191 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
192 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
193 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
194 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
195 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
196 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
197 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
198 (OPTION_EXCLUDE_LIBS + 1)
199 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
200 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
201 #define OPTION_LARGE_ADDRESS_AWARE \
202 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
205 gld${EMULATION_NAME}_add_options
206 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
207 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
208 struct option **really_longopts ATTRIBUTE_UNUSED)
210 static const struct option xtra_long[] = {
212 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
213 {"dll", no_argument, NULL, OPTION_DLL},
214 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
215 {"heap", required_argument, NULL, OPTION_HEAP},
216 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
217 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
218 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
219 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
220 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
221 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
222 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
223 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
224 {"stack", required_argument, NULL, OPTION_STACK},
225 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
226 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
227 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
229 /* getopt allows abbreviations, so we do this to stop it from treating -o
230 as an abbreviation for this option */
231 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
232 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
233 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
234 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
235 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
236 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
237 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
238 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
239 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
240 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
241 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
242 /* getopt() allows abbreviations, so we do this to stop it from
243 treating -c as an abbreviation for these --compat-implib. */
244 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
245 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
246 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
247 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
248 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
249 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
250 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
251 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
252 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
253 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
254 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
256 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
257 {NULL, no_argument, NULL, 0}
260 *longopts = (struct option *)
261 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
262 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
265 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
266 parameters which may be input from the command line. */
277 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
279 static definfo init[] =
281 /* imagebase must be first */
282 #define IMAGEBASEOFF 0
283 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
285 {&dll, sizeof(dll), 0, "__dll__", 0},
286 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
287 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
288 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
289 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
290 D(MajorImageVersion,"__major_image_version__", 1),
291 D(MinorImageVersion,"__minor_image_version__", 0),
292 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
293 D(MajorSubsystemVersion,"__major_subsystem_version__", 3),
295 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
297 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
298 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
299 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
300 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
301 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
302 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
303 D(LoaderFlags,"__loader_flags__", 0x0),
304 { NULL, 0, 0, NULL, 0 }
309 gld_${EMULATION_NAME}_list_options (FILE *file)
311 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
312 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
313 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
314 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
315 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
316 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
317 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
318 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
319 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
320 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
321 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
322 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
323 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
324 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
325 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
326 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
328 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
329 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
330 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
331 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
332 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
333 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
334 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
335 fprintf (file, _(" --out-implib <file> Generate import library\n"));
336 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
337 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
338 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
339 create __imp_<SYMBOL> as well.\n"));
340 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
341 unless user specifies one\n"));
342 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
343 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
344 an importlib, use <string><basename>.dll\n\
345 in preference to lib<basename>.dll \n"));
346 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
347 __imp_sym for DATA references\n"));
348 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
349 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
350 adding pseudo-relocations resolved at\n\
352 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
353 auto-imported DATA.\n"));
354 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
355 or linking to DLLs (esp. auto-import)\n"));
357 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
358 greater than 2 gigabytes\n"));
363 set_pe_name (char *name, long val)
367 /* Find the name and set it. */
368 for (i = 0; init[i].ptr; i++)
370 if (strcmp (name, init[i].symbol) == 0)
382 set_pe_subsystem (void)
386 const char *initial_symbol_char;
391 unsigned long temp_subsystem;
400 { "native", 1, "NtProcessStartup" },
401 { "windows", 2, "WinMainCRTStartup" },
402 { "console", 3, "mainCRTStartup" },
403 { "posix", 7, "__PosixProcessStartup"},
404 { "wince", 9, "WinMainCRTStartup" },
405 { "xbox", 14, "mainCRTStartup" },
408 /* Entry point name for arbitrary subsystem numbers. */
409 static const char default_entry[] = "mainCRTStartup";
411 /* Check for the presence of a version number. */
412 sver = strchr (optarg, ':');
414 len = strlen (optarg);
418 set_pe_name ("__major_subsystem_version__",
419 strtoul (sver + 1, &end, 0));
421 set_pe_name ("__minor_subsystem_version__",
422 strtoul (end + 1, &end, 0));
424 einfo (_("%P: warning: bad version number in -subsystem option\n"));
427 /* Check for numeric subsystem. */
428 temp_subsystem = strtoul (optarg, & end, 0);
429 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
431 /* Search list for a numeric match to use its entry point. */
432 for (i = 0; v[i].name; i++)
433 if (v[i].value == (int) temp_subsystem)
436 /* If no match, use the default. */
437 if (v[i].name != NULL)
440 entry = default_entry;
442 /* Use this subsystem. */
443 subsystem = (int) temp_subsystem;
447 /* Search for subsystem by name. */
448 for (i = 0; v[i].name; i++)
449 if (strncmp (optarg, v[i].name, len) == 0
450 && v[i].name[len] == '\0')
453 if (v[i].name == NULL)
455 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
460 subsystem = v[i].value;
463 set_pe_name ("__subsystem__", subsystem);
465 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
466 if (*initial_symbol_char != '\0')
470 /* lang_default_entry expects its argument to be permanently
471 allocated, so we don't free this string. */
472 alc_entry = xmalloc (strlen (initial_symbol_char)
475 strcpy (alc_entry, initial_symbol_char);
476 strcat (alc_entry, entry);
480 lang_default_entry (entry);
487 set_pe_value (char *name)
491 set_pe_name (name, strtoul (optarg, &end, 0));
494 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
501 set_pe_stack_heap (char *resname, char *comname)
503 set_pe_value (resname);
508 set_pe_value (comname);
511 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
516 gld${EMULATION_NAME}_handle_option (int optc)
523 case OPTION_BASE_FILE:
524 link_info.base_file = fopen (optarg, FOPEN_WB);
525 if (link_info.base_file == NULL)
527 /* xgettext:c-format */
528 fprintf (stderr, _("%s: Can't open base file %s\n"),
529 program_name, optarg);
536 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
539 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
541 case OPTION_SUBSYSTEM:
544 case OPTION_MAJOR_OS_VERSION:
545 set_pe_value ("__major_os_version__");
547 case OPTION_MINOR_OS_VERSION:
548 set_pe_value ("__minor_os_version__");
550 case OPTION_MAJOR_SUBSYSTEM_VERSION:
551 set_pe_value ("__major_subsystem_version__");
553 case OPTION_MINOR_SUBSYSTEM_VERSION:
554 set_pe_value ("__minor_subsystem_version__");
556 case OPTION_MAJOR_IMAGE_VERSION:
557 set_pe_value ("__major_image_version__");
559 case OPTION_MINOR_IMAGE_VERSION:
560 set_pe_value ("__minor_image_version__");
562 case OPTION_FILE_ALIGNMENT:
563 set_pe_value ("__file_alignment__");
565 case OPTION_SECTION_ALIGNMENT:
566 set_pe_value ("__section_alignment__");
569 set_pe_name ("__dll__", 1);
571 case OPTION_IMAGE_BASE:
572 set_pe_value ("__image_base__");
574 case OPTION_SUPPORT_OLD_CODE:
575 support_old_code = 1;
577 case OPTION_THUMB_ENTRY:
578 thumb_entry_symbol = optarg;
582 pe_out_def_filename = xstrdup (optarg);
584 case OPTION_EXPORT_ALL:
585 pe_dll_export_everything = 1;
587 case OPTION_EXCLUDE_SYMBOLS:
588 pe_dll_add_excludes (optarg, 0);
590 case OPTION_EXCLUDE_LIBS:
591 pe_dll_add_excludes (optarg, 1);
593 case OPTION_KILL_ATS:
596 case OPTION_STDCALL_ALIASES:
597 pe_dll_stdcall_aliases = 1;
599 case OPTION_ENABLE_STDCALL_FIXUP:
600 pe_enable_stdcall_fixup = 1;
602 case OPTION_DISABLE_STDCALL_FIXUP:
603 pe_enable_stdcall_fixup = 0;
605 case OPTION_IMPLIB_FILENAME:
606 pe_implib_filename = xstrdup (optarg);
608 case OPTION_WARN_DUPLICATE_EXPORTS:
609 pe_dll_warn_dup_exports = 1;
611 case OPTION_IMP_COMPAT:
612 pe_dll_compat_implib = 1;
614 case OPTION_ENABLE_AUTO_IMAGE_BASE:
615 pe_enable_auto_image_base = 1;
617 case OPTION_DISABLE_AUTO_IMAGE_BASE:
618 pe_enable_auto_image_base = 0;
620 case OPTION_DLL_SEARCH_PREFIX:
621 pe_dll_search_prefix = xstrdup (optarg);
623 case OPTION_NO_DEFAULT_EXCLUDES:
624 pe_dll_do_default_excludes = 0;
626 case OPTION_DLL_ENABLE_AUTO_IMPORT:
627 link_info.pei386_auto_import = 1;
629 case OPTION_DLL_DISABLE_AUTO_IMPORT:
630 link_info.pei386_auto_import = 0;
632 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
633 link_info.pei386_runtime_pseudo_reloc = 1;
635 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
636 link_info.pei386_runtime_pseudo_reloc = 0;
638 case OPTION_ENABLE_EXTRA_PE_DEBUG:
639 pe_dll_extra_pe_debug = 1;
642 case OPTION_LARGE_ADDRESS_AWARE:
643 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
652 strhash (const char *str)
654 const unsigned char *s;
661 s = (const unsigned char *) str;
662 while ((c = *s++) != '\0')
664 hash += c + (c << 17);
668 hash += len + (len << 17);
674 /* Use the output file to create a image base for relocatable DLLs. */
677 compute_dll_image_base (const char *ofile)
679 unsigned long hash = strhash (ofile);
680 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
684 /* Assign values to the special symbols before the linker script is
688 gld_${EMULATION_NAME}_set_symbols (void)
690 /* Run through and invent symbols for all the
691 names and insert the defaults. */
693 lang_statement_list_type *save;
695 if (!init[IMAGEBASEOFF].inited)
697 if (link_info.relocatable)
698 init[IMAGEBASEOFF].value = 0;
699 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
701 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
702 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
704 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
707 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
710 /* Don't do any symbol assignments if this is a relocatable link. */
711 if (link_info.relocatable)
714 /* Glue the assignments into the abs section. */
717 stat_ptr = &(abs_output_section->children);
719 for (j = 0; init[j].ptr; j++)
721 long val = init[j].value;
722 lang_assignment_statement_type *rv;
723 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
725 if (init[j].size == sizeof (short))
726 *(short *) init[j].ptr = val;
727 else if (init[j].size == sizeof (int))
728 *(int *) init[j].ptr = val;
729 else if (init[j].size == sizeof (long))
730 *(long *) init[j].ptr = val;
731 /* This might be a long long or other special type. */
732 else if (init[j].size == sizeof (bfd_vma))
733 *(bfd_vma *) init[j].ptr = val;
735 if (j == IMAGEBASEOFF)
736 image_base_statement = rv;
738 /* Restore the pointer. */
741 if (pe.FileAlignment >
744 einfo (_("%P: warning, file alignment > section alignment.\n"));
748 /* This is called after the linker script and the command line options
752 gld_${EMULATION_NAME}_after_parse (void)
754 /* The Windows libraries are designed for the linker to treat the
755 entry point as an undefined symbol. Otherwise, the .obj that
756 defines mainCRTStartup is brought in because it is the first
757 encountered in libc.lib and it has other symbols in it which will
758 be pulled in by the link process. To avoid this, we act as
759 though the user specified -u with the entry point symbol.
761 This function is called after the linker script and command line
762 options have been read, so at this point we know the right entry
763 point. This function is called before the input files are
764 opened, so registering the symbol as undefined will make a
767 if (! link_info.relocatable && entry_symbol.name != NULL)
768 ldlang_add_undef (entry_symbol.name);
771 /* pe-dll.c directly accesses pe_data_import_dll,
772 so it must be defined outside of #ifdef DLL_SUPPORT.
773 Note - this variable is deliberately not initialised.
774 This allows it to be treated as a common varaible, and only
775 exist in one incarnation in a multiple target enabled linker. */
776 char * pe_data_import_dll;
779 static struct bfd_link_hash_entry *pe_undef_found_sym;
782 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
787 sl = strlen (string);
788 if (h->type == bfd_link_hash_defined
789 && strncmp (h->root.string, string, sl) == 0
790 && h->root.string[sl] == '@')
792 pe_undef_found_sym = h;
799 pe_fixup_stdcalls (void)
801 static int gave_warning_message = 0;
802 struct bfd_link_hash_entry *undef, *sym;
804 if (pe_dll_extra_pe_debug)
805 printf ("%s\n", __FUNCTION__);
807 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
808 if (undef->type == bfd_link_hash_undefined)
810 char* at = strchr (undef->root.string, '@');
811 int lead_at = (*undef->root.string == '@');
812 /* For now, don't try to fixup fastcall symbols. */
816 /* The symbol is a stdcall symbol, so let's look for a
817 cdecl symbol with the same name and resolve to that. */
818 char *cname = xstrdup (undef->root.string /* + lead_at */);
819 at = strchr (cname, '@');
821 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
823 if (sym && sym->type == bfd_link_hash_defined)
825 undef->type = bfd_link_hash_defined;
826 undef->u.def.value = sym->u.def.value;
827 undef->u.def.section = sym->u.def.section;
829 if (pe_enable_stdcall_fixup == -1)
831 einfo (_("Warning: resolving %s by linking to %s\n"),
832 undef->root.string, cname);
833 if (! gave_warning_message)
835 gave_warning_message = 1;
836 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
837 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
844 /* The symbol is a cdecl symbol, so we look for stdcall
845 symbols - which means scanning the whole symbol table. */
846 pe_undef_found_sym = 0;
847 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
848 (char *) undef->root.string);
849 sym = pe_undef_found_sym;
852 undef->type = bfd_link_hash_defined;
853 undef->u.def.value = sym->u.def.value;
854 undef->u.def.section = sym->u.def.section;
856 if (pe_enable_stdcall_fixup == -1)
858 einfo (_("Warning: resolving %s by linking to %s\n"),
859 undef->root.string, sym->root.string);
860 if (! gave_warning_message)
862 gave_warning_message = 1;
863 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
864 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
873 make_import_fixup (arelent *rel, asection *s)
875 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
878 if (pe_dll_extra_pe_debug)
879 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
880 (long) rel->address, (long) rel->addend);
882 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
883 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
884 s->owner, s, rel->address);
886 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
892 pe_find_data_imports (void)
894 struct bfd_link_hash_entry *undef, *sym;
896 if (link_info.pei386_auto_import == 0)
899 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
901 if (undef->type == bfd_link_hash_undefined)
903 /* C++ symbols are *long*. */
906 if (pe_dll_extra_pe_debug)
907 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
909 sprintf (buf, "__imp_%s", undef->root.string);
911 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
913 if (sym && sym->type == bfd_link_hash_defined)
915 bfd *b = sym->u.def.section->owner;
917 int nsyms, symsize, i;
919 if (link_info.pei386_auto_import == -1)
920 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
921 undef->root.string, buf);
923 symsize = bfd_get_symtab_upper_bound (b);
924 symbols = (asymbol **) xmalloc (symsize);
925 nsyms = bfd_canonicalize_symtab (b, symbols);
927 for (i = 0; i < nsyms; i++)
929 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
932 if (pe_dll_extra_pe_debug)
933 printf ("->%s\n", symbols[i]->name);
935 pe_data_import_dll = (char*) (symbols[i]->name +
936 sizeof (U ("_head_")) - 1);
940 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
943 /* Let's differentiate it somehow from defined. */
944 undef->type = bfd_link_hash_defweak;
945 /* We replace original name with __imp_ prefixed, this
946 1) may trash memory 2) leads to duplicate symbol generation.
947 Still, IMHO it's better than having name poluted. */
948 undef->root.string = sym->root.string;
949 undef->u.def.value = sym->u.def.value;
950 undef->u.def.section = sym->u.def.section;
957 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
959 if (pe_dll_extra_pe_debug)
960 printf ("+%s\n", h->string);
964 #endif /* DLL_SUPPORT */
968 gld_${EMULATION_NAME}_after_open (void)
971 if (pe_dll_extra_pe_debug)
974 struct bfd_link_hash_entry *sym;
976 printf ("%s()\n", __FUNCTION__);
978 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
979 printf ("-%s\n", sym->root.string);
980 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
982 for (a = link_info.input_bfds; a; a = a->link_next)
983 printf ("*%s\n",a->filename);
987 /* Pass the wacky PE command line options into the output bfd.
988 FIXME: This should be done via a function, rather than by
989 including an internal BFD header. */
991 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
992 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), output_bfd);
994 pe_data (output_bfd)->pe_opthdr = pe;
995 pe_data (output_bfd)->dll = init[DLLOFF].value;
996 pe_data (output_bfd)->real_flags |= real_flags;
999 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1000 pe_fixup_stdcalls ();
1002 pe_process_import_defs (output_bfd, & link_info);
1004 pe_find_data_imports ();
1006 #if defined (TARGET_IS_i386pe) \
1007 || defined (TARGET_IS_armpe) \
1008 || defined (TARGET_IS_arm_epoc_pe) \
1009 || defined (TARGET_IS_arm_wince_pe)
1010 if (!link_info.relocatable)
1011 pe_dll_build_sections (output_bfd, &link_info);
1013 pe_exe_build_sections (output_bfd, &link_info);
1015 if (link_info.shared)
1016 pe_dll_build_sections (output_bfd, &link_info);
1018 #endif /* DLL_SUPPORT */
1020 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1021 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1023 /* The arm backend needs special fields in the output hash structure.
1024 These will only be created if the output format is an arm format,
1025 hence we do not support linking and changing output formats at the
1026 same time. Use a link followed by objcopy to change output formats. */
1027 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1031 /* Find a BFD that can hold the interworking stubs. */
1032 LANG_FOR_EACH_INPUT_STATEMENT (is)
1034 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1041 /* This next chunk of code tries to detect the case where you have
1042 two import libraries for the same DLL (specifically,
1043 symbolically linking libm.a and libc.a in cygwin to
1044 libcygwin.a). In those cases, it's possible for function
1045 thunks from the second implib to be used but without the
1046 head/tail objects, causing an improper import table. We detect
1047 those cases and rename the "other" import libraries to match
1048 the one the head/tail come from, so that the linker will sort
1049 things nicely and produce a valid import table. */
1051 LANG_FOR_EACH_INPUT_STATEMENT (is)
1053 if (is->the_bfd->my_archive)
1055 int idata2 = 0, reloc_count=0, is_imp = 0;
1058 /* See if this is an import library thunk. */
1059 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1061 if (strcmp (sec->name, ".idata\$2") == 0)
1063 if (CONST_STRNEQ (sec->name, ".idata\$"))
1065 reloc_count += sec->reloc_count;
1068 if (is_imp && !idata2 && reloc_count)
1070 /* It is, look for the reference to head and see if it's
1071 from our own library. */
1072 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1081 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1084 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1088 symbols = (asymbol **) xmalloc (symsize);
1089 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1092 einfo ("%X%P: unable to process symbols: %E");
1096 relocs = (arelent **) xmalloc ((size_t) relsize);
1097 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1102 einfo ("%X%P: unable to process relocs: %E");
1106 for (i = 0; i < nrelocs; i++)
1108 struct bfd_symbol *s;
1109 struct bfd_link_hash_entry * blhe;
1110 char *other_bfd_filename;
1113 s = (relocs[i]->sym_ptr_ptr)[0];
1115 if (s->flags & BSF_LOCAL)
1118 /* Thunk section with reloc to another bfd. */
1119 blhe = bfd_link_hash_lookup (link_info.hash,
1121 FALSE, FALSE, TRUE);
1124 || blhe->type != bfd_link_hash_defined)
1128 = blhe->u.def.section->owner->my_archive
1129 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1130 : bfd_get_filename (blhe->u.def.section->owner);
1132 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1133 other_bfd_filename) == 0)
1136 /* Rename this implib to match the other one. */
1137 n = xmalloc (strlen (other_bfd_filename) + 1);
1138 strcpy (n, other_bfd_filename);
1139 is->the_bfd->my_archive->filename = n;
1143 /* Note - we do not free the symbols,
1144 they are now cached in the BFD. */
1154 lang_input_statement_type *is2;
1155 lang_input_statement_type *is3;
1157 /* Careful - this is a shell script. Watch those dollar signs! */
1158 /* Microsoft import libraries have every member named the same,
1159 and not in the right order for us to link them correctly. We
1160 must detect these and rename the members so that they'll link
1161 correctly. There are three types of objects: the head, the
1162 thunks, and the sentinel(s). The head is easy; it's the one
1163 with idata2. We assume that the sentinels won't have relocs,
1164 and the thunks will. It's easier than checking the symbol
1165 table for external references. */
1166 LANG_FOR_EACH_INPUT_STATEMENT (is)
1168 if (is->the_bfd->my_archive)
1171 bfd *arch = is->the_bfd->my_archive;
1173 if (cur_arch != arch)
1179 is3 && is3->the_bfd->my_archive == arch;
1180 is3 = (lang_input_statement_type *) is3->next)
1182 /* A MS dynamic import library can also contain static
1183 members, so look for the first element with a .dll
1184 extension, and use that for the remainder of the
1186 pnt = strrchr (is3->the_bfd->filename, '.');
1187 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1195 /* OK, found one. Now look to see if the remaining
1196 (dynamic import) members use the same name. */
1198 is2 && is2->the_bfd->my_archive == arch;
1199 is2 = (lang_input_statement_type *) is2->next)
1201 /* Skip static members, ie anything with a .obj
1203 pnt = strrchr (is2->the_bfd->filename, '.');
1204 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1207 if (strcmp (is3->the_bfd->filename,
1208 is2->the_bfd->filename))
1217 /* This fragment might have come from an .obj file in a Microsoft
1218 import, and not an actual import record. If this is the case,
1219 then leave the filename alone. */
1220 pnt = strrchr (is->the_bfd->filename, '.');
1222 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1224 int idata2 = 0, reloc_count=0;
1226 char *new_name, seq;
1228 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1230 if (strcmp (sec->name, ".idata\$2") == 0)
1232 reloc_count += sec->reloc_count;
1235 if (idata2) /* .idata2 is the TOC */
1237 else if (reloc_count > 0) /* thunks */
1242 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1243 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1244 is->the_bfd->filename = new_name;
1246 new_name = xmalloc (strlen (is->filename) + 3);
1247 sprintf (new_name, "%s.%c", is->filename, seq);
1248 is->filename = new_name;
1256 gld_${EMULATION_NAME}_before_allocation (void)
1258 #ifdef TARGET_IS_ppcpe
1259 /* Here we rummage through the found bfds to collect toc information. */
1261 LANG_FOR_EACH_INPUT_STATEMENT (is)
1263 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1265 /* xgettext:c-format */
1266 einfo (_("Errors encountered processing file %s\n"), is->filename);
1271 /* We have seen it all. Allocate it, and carry on. */
1272 ppc_allocate_toc_section (&link_info);
1273 #endif /* TARGET_IS_ppcpe */
1275 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1276 /* FIXME: we should be able to set the size of the interworking stub
1279 Here we rummage through the found bfds to collect glue
1280 information. FIXME: should this be based on a command line
1281 option? krk@cygnus.com. */
1283 LANG_FOR_EACH_INPUT_STATEMENT (is)
1285 if (! bfd_arm_process_before_allocation
1286 (is->the_bfd, & link_info, support_old_code))
1288 /* xgettext:c-format */
1289 einfo (_("Errors encountered processing file %s for interworking"),
1295 /* We have seen it all. Allocate it, and carry on. */
1296 bfd_arm_allocate_interworking_sections (& link_info);
1297 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1299 before_allocation_default ();
1303 /* This is called when an input file isn't recognized as a BFD. We
1304 check here for .DEF files and pull them in automatically. */
1307 saw_option (char *option)
1311 for (i = 0; init[i].ptr; i++)
1312 if (strcmp (init[i].symbol, option) == 0)
1313 return init[i].inited;
1316 #endif /* DLL_SUPPORT */
1319 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1322 const char *ext = entry->filename + strlen (entry->filename) - 4;
1324 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1326 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1330 int i, buflen=0, len;
1333 for (i = 0; i < pe_def_file->num_exports; i++)
1335 len = strlen (pe_def_file->exports[i].internal_name);
1336 if (buflen < len + 2)
1340 buf = (char *) xmalloc (buflen);
1342 for (i = 0; i < pe_def_file->num_exports; i++)
1344 struct bfd_link_hash_entry *h;
1346 sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name);
1348 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1349 if (h == (struct bfd_link_hash_entry *) NULL)
1350 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1351 if (h->type == bfd_link_hash_new)
1353 h->type = bfd_link_hash_undefined;
1354 h->u.undef.abfd = NULL;
1355 bfd_link_add_undef (link_info.hash, h);
1360 /* def_file_print (stdout, pe_def_file); */
1361 if (pe_def_file->is_dll == 1)
1362 link_info.shared = 1;
1364 if (pe_def_file->base_address != (bfd_vma)(-1))
1367 pe_data (output_bfd)->pe_opthdr.ImageBase =
1368 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1369 init[IMAGEBASEOFF].inited = 1;
1370 if (image_base_statement)
1371 image_base_statement->exp =
1372 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1375 if (pe_def_file->stack_reserve != -1
1376 && ! saw_option ("__size_of_stack_reserve__"))
1378 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1379 if (pe_def_file->stack_commit != -1)
1380 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1382 if (pe_def_file->heap_reserve != -1
1383 && ! saw_option ("__size_of_heap_reserve__"))
1385 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1386 if (pe_def_file->heap_commit != -1)
1387 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1397 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1400 #ifdef TARGET_IS_i386pe
1401 pe_dll_id_target ("pei-i386");
1403 #ifdef TARGET_IS_shpe
1404 pe_dll_id_target ("pei-shl");
1406 #ifdef TARGET_IS_mipspe
1407 pe_dll_id_target ("pei-mips");
1409 #ifdef TARGET_IS_armpe
1410 pe_dll_id_target ("pei-arm-little");
1412 #ifdef TARGET_IS_arm_epoc_pe
1413 pe_dll_id_target ("epoc-pei-arm-little");
1415 #ifdef TARGET_IS_arm_wince_pe
1416 pe_dll_id_target ("pei-arm-wince-little");
1418 if (bfd_get_format (entry->the_bfd) == bfd_object)
1420 char fbuf[LD_PATHMAX + 1];
1423 if (REALPATH (entry->filename, fbuf) == NULL)
1424 strncpy (fbuf, entry->filename, sizeof (fbuf));
1426 ext = fbuf + strlen (fbuf) - 4;
1428 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1429 return pe_implied_import_dll (fbuf);
1436 gld_${EMULATION_NAME}_finish (void)
1438 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1439 struct bfd_link_hash_entry * h;
1441 if (thumb_entry_symbol != NULL)
1443 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1444 FALSE, FALSE, TRUE);
1446 if (h != (struct bfd_link_hash_entry *) NULL
1447 && (h->type == bfd_link_hash_defined
1448 || h->type == bfd_link_hash_defweak)
1449 && h->u.def.section->output_section != NULL)
1451 static char buffer[32];
1454 /* Special procesing is required for a Thumb entry symbol. The
1455 bottom bit of its address must be set. */
1456 val = (h->u.def.value
1457 + bfd_get_section_vma (output_bfd,
1458 h->u.def.section->output_section)
1459 + h->u.def.section->output_offset);
1463 /* Now convert this value into a string and store it in entry_symbol
1464 where the lang_finish() function will pick it up. */
1468 sprintf_vma (buffer + 2, val);
1470 if (entry_symbol.name != NULL && entry_from_cmdline)
1471 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1472 thumb_entry_symbol, entry_symbol.name);
1473 entry_symbol.name = buffer;
1476 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1478 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1483 if (link_info.shared
1484 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1485 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1489 pe_dll_fill_sections (output_bfd, &link_info);
1490 if (pe_implib_filename)
1491 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1493 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1494 /* ARM doesn't need relocs. */
1497 pe_exe_fill_sections (output_bfd, &link_info);
1501 if (pe_out_def_filename)
1502 pe_dll_generate_def_file (pe_out_def_filename);
1503 #endif /* DLL_SUPPORT */
1505 /* I don't know where .idata gets set as code, but it shouldn't be. */
1507 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1511 asec->flags &= ~SEC_CODE;
1512 asec->flags |= SEC_DATA;
1518 /* Place an orphan section.
1520 We use this to put sections in a reasonable place in the file, and
1521 to ensure that they are aligned as required.
1523 We handle grouped sections here as well. A section named .foo$nn
1524 goes into the output section .foo. All grouped sections are sorted
1527 Grouped sections for the default sections are handled by the
1528 default linker script using wildcards, and are sorted by
1532 gld_${EMULATION_NAME}_place_orphan (asection *s)
1534 const char *secname;
1535 const char *orig_secname;
1536 char *dollar = NULL;
1537 lang_output_section_statement_type *os;
1538 lang_statement_list_type add_child;
1540 secname = bfd_get_section_name (s->owner, s);
1542 /* Look through the script to see where to place this section. */
1543 orig_secname = secname;
1544 if (!link_info.relocatable
1545 && (dollar = strchr (secname, '$')) != NULL)
1547 size_t len = dollar - orig_secname;
1548 char *newname = xmalloc (len + 1);
1549 memcpy (newname, orig_secname, len);
1550 newname[len] = '\0';
1554 os = lang_output_section_find (secname);
1556 lang_list_init (&add_child);
1559 && (os->bfd_section == NULL
1560 || os->bfd_section->flags == 0
1561 || ((s->flags ^ os->bfd_section->flags)
1562 & (SEC_LOAD | SEC_ALLOC)) == 0))
1564 /* We already have an output section statement with this
1565 name, and its bfd section, if any, has compatible flags.
1566 If the section already exists but does not have any flags set,
1567 then it has been created by the linker, probably as a result of
1568 a --section-start command line switch. */
1569 lang_add_section (&add_child, s, os);
1573 static struct orphan_save hold[] =
1576 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1579 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1582 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1588 enum orphan_save_index
1595 static int orphan_init_done = 0;
1596 struct orphan_save *place;
1597 lang_output_section_statement_type *after;
1598 etree_type *address;
1600 if (!orphan_init_done)
1602 struct orphan_save *ho;
1603 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1604 if (ho->name != NULL)
1606 ho->os = lang_output_section_find (ho->name);
1607 if (ho->os != NULL && ho->os->flags == 0)
1608 ho->os->flags = ho->flags;
1610 orphan_init_done = 1;
1613 /* Try to put the new output section in a reasonable place based
1614 on the section name and section flags. */
1617 if ((s->flags & SEC_ALLOC) == 0)
1619 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1620 place = &hold[orphan_bss];
1621 else if ((s->flags & SEC_READONLY) == 0)
1622 place = &hold[orphan_data];
1623 else if ((s->flags & SEC_CODE) == 0)
1624 place = &hold[orphan_rodata];
1626 place = &hold[orphan_text];
1631 if (place->os == NULL)
1632 place->os = lang_output_section_find (place->name);
1635 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1637 /* *ABS* is always the first output section statement. */
1638 after = (&lang_output_section_statement.head
1639 ->output_section_statement);
1642 /* Choose a unique name for the section. This will be needed if the
1643 same section name appears in the input file with different
1644 loadable or allocatable characteristics. */
1645 if (bfd_get_section_by_name (output_bfd, secname) != NULL)
1647 static int count = 1;
1648 secname = bfd_get_unique_section_name (output_bfd, secname, &count);
1649 if (secname == NULL)
1650 einfo ("%F%P: place_orphan failed: %E\n");
1653 /* All sections in an executable must be aligned to a page boundary. */
1654 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1655 os = lang_insert_orphan (s, secname, after, place, address, &add_child);
1659 lang_statement_union_type **pl = &os->children.head;
1663 bfd_boolean found_dollar;
1665 /* The section name has a '$'. Sort it with the other '$'
1667 found_dollar = FALSE;
1668 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1670 lang_input_section_type *ls;
1673 if ((*pl)->header.type != lang_input_section_enum)
1676 ls = &(*pl)->input_section;
1678 lname = bfd_get_section_name (ls->section->owner, ls->section);
1679 if (strchr (lname, '$') == NULL)
1686 found_dollar = TRUE;
1687 if (strcmp (orig_secname, lname) < 0)
1693 if (add_child.head != NULL)
1695 add_child.head->header.next = *pl;
1696 *pl = add_child.head;
1704 gld_${EMULATION_NAME}_open_dynamic_archive
1705 (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
1706 lang_input_statement_type *entry)
1710 const char * format;
1711 bfd_boolean use_prefix;
1715 /* Preferred explicit import library for dll's. */
1716 { "lib%s.dll.a", FALSE },
1717 /* Alternate explicit import library for dll's. */
1718 { "%s.dll.a", FALSE },
1719 /* "libfoo.a" could be either an import lib or a static lib.
1720 For backwards compatibility, libfoo.a needs to precede
1721 libfoo.dll and foo.dll in the search. */
1722 { "lib%s.a", FALSE },
1723 /* The 'native' spelling of an import lib name is "foo.lib". */
1724 { "%s.lib", FALSE },
1726 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1727 { "%s%s.dll", TRUE },
1729 /* Try "libfoo.dll" (default preferred dll name). */
1730 { "lib%s.dll", FALSE },
1731 /* Finally try 'native' dll name "foo.dll". */
1732 { "%s.dll", FALSE },
1733 /* Note: If adding more formats to this table, make sure to check to
1734 see if their length is longer than libname_fmt[0].format, and if
1735 so, update the call to xmalloc() below. */
1738 static unsigned int format_max_len = 0;
1739 const char * filename;
1745 if (! entry->is_archive)
1748 filename = entry->filename;
1750 if (format_max_len == 0)
1751 /* We need to allow space in the memory that we are going to allocate
1752 for the characters in the format string. Since the format array is
1753 static we only need to calculate this information once. In theory
1754 this value could also be computed statically, but this introduces
1755 the possibility for a discrepancy and hence a possible memory
1756 corruption. The lengths we compute here will be too long because
1757 they will include any formating characters (%s) in the strings, but
1758 this will not matter. */
1759 for (i = 0; libname_fmt[i].format; i++)
1760 if (format_max_len < strlen (libname_fmt[i].format))
1761 format_max_len = strlen (libname_fmt[i].format);
1763 full_string = xmalloc (strlen (search->name)
1767 + (pe_dll_search_prefix
1768 ? strlen (pe_dll_search_prefix) : 0)
1770 /* Allow for the terminating NUL and for the path
1771 separator character that is inserted between
1772 search->name and the start of the format string. */
1775 sprintf (full_string, "%s/", search->name);
1776 base_string = full_string + strlen (full_string);
1778 for (i = 0; libname_fmt[i].format; i++)
1781 if (libname_fmt[i].use_prefix)
1783 if (!pe_dll_search_prefix)
1785 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1789 sprintf (base_string, libname_fmt[i].format, filename);
1791 if (ldfile_try_open_bfd (full_string, entry))
1795 if (!libname_fmt[i].format)
1801 entry->filename = full_string;
1807 gld_${EMULATION_NAME}_find_potential_libraries
1808 (char *name, lang_input_statement_type *entry)
1810 return ldfile_open_file_search (name, entry, "", ".lib");
1814 gld_${EMULATION_NAME}_get_script (int *isfile)
1816 # Scripts compiled in.
1817 # sed commands to quote an ld script as a C string.
1818 sc="-f stringify.sed"
1820 cat >>e${EMULATION_NAME}.c <<EOF
1824 if (link_info.relocatable && config.build_constructors)
1827 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1828 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1829 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1830 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1831 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1832 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1833 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1834 echo ' ; else return' >> e${EMULATION_NAME}.c
1835 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1836 echo '; }' >> e${EMULATION_NAME}.c
1838 cat >>e${EMULATION_NAME}.c <<EOF
1841 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1843 gld_${EMULATION_NAME}_before_parse,
1846 gld_${EMULATION_NAME}_after_parse,
1847 gld_${EMULATION_NAME}_after_open,
1848 after_allocation_default,
1849 set_output_arch_default,
1850 ldemul_default_target,
1851 gld_${EMULATION_NAME}_before_allocation,
1852 gld_${EMULATION_NAME}_get_script,
1853 "${EMULATION_NAME}",
1855 gld_${EMULATION_NAME}_finish,
1856 NULL, /* Create output section statements. */
1857 gld_${EMULATION_NAME}_open_dynamic_archive,
1858 gld_${EMULATION_NAME}_place_orphan,
1859 gld_${EMULATION_NAME}_set_symbols,
1860 NULL, /* parse_args */
1861 gld${EMULATION_NAME}_add_options,
1862 gld${EMULATION_NAME}_handle_option,
1863 gld_${EMULATION_NAME}_unrecognized_file,
1864 gld_${EMULATION_NAME}_list_options,
1865 gld_${EMULATION_NAME}_recognized_file,
1866 gld_${EMULATION_NAME}_find_potential_libraries,
1867 NULL /* new_vers_pattern. */