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${EMULATION_NAME}.c # there, now line numbers match ;-)
10 cat >>e${EMULATION_NAME}.c <<EOF
11 /* This file is part of GLD, the Gnu Linker.
12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
13 Free Software Foundation, Inc.
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
30 /* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
34 the correct entry point by default. */
36 #define TARGET_IS_${EMULATION_NAME}
38 /* Do this before including bfd.h, so we prototype the right functions. */
39 #ifdef TARGET_IS_arm_epoc_pe
40 #define bfd_arm_pe_allocate_interworking_sections \
41 bfd_arm_epoc_pe_allocate_interworking_sections
42 #define bfd_arm_pe_get_bfd_for_interworking \
43 bfd_arm_epoc_pe_get_bfd_for_interworking
44 #define bfd_arm_pe_process_before_allocation \
45 bfd_arm_epoc_pe_process_before_allocation
52 #include "libiberty.h"
63 #include "coff/internal.h"
65 /* FIXME: This is a BFD internal header file, and we should not be
67 #include "../bfd/libcoff.h"
74 /* Permit the emulation parameters to override the default section
75 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
76 it seem that include/coff/internal.h should not define
77 PE_DEF_SECTION_ALIGNMENT. */
78 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
79 #undef PE_DEF_SECTION_ALIGNMENT
80 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
83 #if defined(TARGET_IS_i386pe)
86 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
90 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
91 #define PE_DEF_SUBSYSTEM 3
93 #undef NT_EXE_IMAGE_BASE
94 #undef PE_DEF_SECTION_ALIGNMENT
95 #undef PE_DEF_FILE_ALIGNMENT
96 #define NT_EXE_IMAGE_BASE 0x00010000
97 #ifdef TARGET_IS_armpe
98 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
99 #define PE_DEF_SUBSYSTEM 9
101 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
102 #define PE_DEF_SUBSYSTEM 2
104 #define PE_DEF_FILE_ALIGNMENT 0x00000200
107 static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
108 static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
109 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
110 static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
111 static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
112 static asection *output_prev_sec_find
113 PARAMS ((lang_output_section_statement_type *));
114 static bfd_boolean gld_${EMULATION_NAME}_place_orphan
115 PARAMS ((lang_input_statement_type *, asection *));
116 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
117 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
118 static void gld_${EMULATION_NAME}_finish PARAMS ((void));
119 static bfd_boolean gld_${EMULATION_NAME}_open_dynamic_archive
120 PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
121 static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
122 static void set_pe_name PARAMS ((char *, long));
123 static void set_pe_subsystem PARAMS ((void));
124 static void set_pe_value PARAMS ((char *));
125 static void set_pe_stack_heap PARAMS ((char *, char *));
128 static bfd_boolean pe_undef_cdecl_match
129 PARAMS ((struct bfd_link_hash_entry *, PTR));
130 static void pe_fixup_stdcalls PARAMS ((void));
131 static int make_import_fixup PARAMS ((arelent *, asection *));
132 static void pe_find_data_imports PARAMS ((void));
135 static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR string));
136 static bfd_boolean gld_${EMULATION_NAME}_unrecognized_file
137 PARAMS ((lang_input_statement_type *));
138 static bfd_boolean gld_${EMULATION_NAME}_recognized_file
139 PARAMS ((lang_input_statement_type *));
140 static int gld_${EMULATION_NAME}_find_potential_libraries
141 PARAMS ((char *, lang_input_statement_type *));
144 static struct internal_extra_pe_aouthdr pe;
146 static int support_old_code = 0;
147 static char * thumb_entry_symbol = NULL;
148 static lang_assignment_statement_type *image_base_statement = 0;
151 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
152 static char *pe_out_def_filename = NULL;
153 static char *pe_implib_filename = NULL;
154 static int pe_enable_auto_image_base = 0;
155 static char *pe_dll_search_prefix = NULL;
158 extern const char *output_filename;
161 gld_${EMULATION_NAME}_before_parse()
163 const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
166 ldfile_output_architecture = arch->arch;
167 ldfile_output_machine = arch->mach;
168 ldfile_output_machine_name = arch->printable_name;
171 ldfile_output_architecture = bfd_arch_${ARCH};
172 output_filename = "${EXECUTABLE_NAME:-a.exe}";
174 config.dynamic_link = TRUE;
175 config.has_shared = 1;
176 link_info.pei386_auto_import = -1;
177 link_info.pei386_runtime_pseudo_reloc = FALSE;
179 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
180 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
181 lang_add_entry ("WinMainCRTStartup", 1);
183 lang_add_entry ("_WinMainCRTStartup", 1);
189 /* PE format extra command line options. */
191 /* Used for setting flags in the PE header. */
192 #define OPTION_BASE_FILE (300 + 1)
193 #define OPTION_DLL (OPTION_BASE_FILE + 1)
194 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
195 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
196 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
197 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
198 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
199 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
200 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
201 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
202 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
203 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
204 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
205 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
206 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
207 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
208 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
209 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
210 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
211 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
212 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
213 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
214 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
215 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
216 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
217 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
218 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
219 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
220 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
221 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
222 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
223 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
224 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
225 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
226 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
227 (OPTION_EXCLUDE_LIBS + 1)
228 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
229 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
231 static struct option longopts[] = {
233 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
234 {"dll", no_argument, NULL, OPTION_DLL},
235 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
236 {"heap", required_argument, NULL, OPTION_HEAP},
237 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
238 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
239 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
240 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
241 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
242 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
243 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
244 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
245 {"stack", required_argument, NULL, OPTION_STACK},
246 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
247 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
248 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
250 /* getopt allows abbreviations, so we do this to stop it from treating -o
251 as an abbreviation for this option */
252 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
253 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
254 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
255 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
256 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
257 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
258 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
259 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
260 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
261 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
262 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
263 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
264 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
265 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
266 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
267 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
268 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
269 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
270 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
271 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
272 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
274 {NULL, no_argument, NULL, 0}
278 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
279 parameters which may be input from the command line */
290 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
292 static definfo init[] =
294 /* imagebase must be first */
295 #define IMAGEBASEOFF 0
296 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
298 {&dll, sizeof(dll), 0, "__dll__", 0},
299 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
300 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
301 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
302 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
303 D(MajorImageVersion,"__major_image_version__", 1),
304 D(MinorImageVersion,"__minor_image_version__", 0),
305 #ifdef TARGET_IS_armpe
306 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
308 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
310 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
311 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
312 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
313 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
314 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
315 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
316 D(LoaderFlags,"__loader_flags__", 0x0),
317 { NULL, 0, 0, NULL, 0 }
321 gld_${EMULATION_NAME}_list_options (file)
324 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
325 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
326 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
327 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
328 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
329 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
330 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
331 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
332 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
333 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
334 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
335 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
336 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
337 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
338 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
339 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
341 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
342 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
343 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
344 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
345 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
346 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
347 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
348 fprintf (file, _(" --out-implib <file> Generate import library\n"));
349 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
350 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
351 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
352 create __imp_<SYMBOL> as well.\n"));
353 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
354 unless user specifies one\n"));
355 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
356 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without an\n\
357 importlib, use <string><basename>.dll \n\
358 in preference to lib<basename>.dll \n"));
359 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n\
360 __imp_sym for DATA references\n"));
361 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
362 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
363 adding pseudo-relocations resolved at runtime.\n"));
364 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
365 auto-imported DATA.\n"));
366 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
367 or linking to DLLs (esp. auto-import)\n"));
372 set_pe_name (name, val)
377 /* Find the name and set it. */
378 for (i = 0; init[i].ptr; i++)
380 if (strcmp (name, init[i].symbol) == 0)
405 { "native", 1, "NtProcessStartup" },
406 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
407 { "windows", 2, "WinMainCRTStartup" },
409 { "windows", 2, "WinMainCRTStartup" },
411 { "console", 3, "mainCRTStartup" },
413 /* The Microsoft linker does not recognize this. */
416 { "posix", 7, "__PosixProcessStartup"},
417 { "wince", 9, "_WinMainCRTStartup" },
421 sver = strchr (optarg, ':');
423 len = strlen (optarg);
429 set_pe_name ("__major_subsystem_version__",
430 strtoul (sver + 1, &end, 0));
432 set_pe_name ("__minor_subsystem_version__",
433 strtoul (end + 1, &end, 0));
435 einfo (_("%P: warning: bad version number in -subsystem option\n"));
438 for (i = 0; v[i].name; i++)
440 if (strncmp (optarg, v[i].name, len) == 0
441 && v[i].name[len] == '\0')
443 const char *initial_symbol_char;
446 set_pe_name ("__subsystem__", v[i].value);
448 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
449 if (*initial_symbol_char == '\0')
455 /* lang_add_entry expects its argument to be permanently
456 allocated, so we don't free this string. */
457 alc_entry = xmalloc (strlen (initial_symbol_char)
458 + strlen (v[i].entry)
460 strcpy (alc_entry, initial_symbol_char);
461 strcat (alc_entry, v[i].entry);
465 lang_add_entry (entry, 0);
471 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
483 set_pe_name (name, strtoul (optarg, &end, 0));
486 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
492 set_pe_stack_heap (resname, comname)
496 set_pe_value (resname);
501 set_pe_value (comname);
504 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
510 gld_${EMULATION_NAME}_parse_args(argc, argv)
516 int prevoptind = optind;
517 int prevopterr = opterr;
519 static int lastoptind = -1;
521 if (lastoptind != optind)
527 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
538 case OPTION_BASE_FILE:
539 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
540 if (link_info.base_file == NULL)
542 /* xgettext:c-format */
543 fprintf (stderr, _("%s: Can't open base file %s\n"),
544 program_name, optarg);
551 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
554 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
556 case OPTION_SUBSYSTEM:
559 case OPTION_MAJOR_OS_VERSION:
560 set_pe_value ("__major_os_version__");
562 case OPTION_MINOR_OS_VERSION:
563 set_pe_value ("__minor_os_version__");
565 case OPTION_MAJOR_SUBSYSTEM_VERSION:
566 set_pe_value ("__major_subsystem_version__");
568 case OPTION_MINOR_SUBSYSTEM_VERSION:
569 set_pe_value ("__minor_subsystem_version__");
571 case OPTION_MAJOR_IMAGE_VERSION:
572 set_pe_value ("__major_image_version__");
574 case OPTION_MINOR_IMAGE_VERSION:
575 set_pe_value ("__minor_image_version__");
577 case OPTION_FILE_ALIGNMENT:
578 set_pe_value ("__file_alignment__");
580 case OPTION_SECTION_ALIGNMENT:
581 set_pe_value ("__section_alignment__");
584 set_pe_name ("__dll__", 1);
586 case OPTION_IMAGE_BASE:
587 set_pe_value ("__image_base__");
589 case OPTION_SUPPORT_OLD_CODE:
590 support_old_code = 1;
592 case OPTION_THUMB_ENTRY:
593 thumb_entry_symbol = optarg;
597 pe_out_def_filename = xstrdup (optarg);
599 case OPTION_EXPORT_ALL:
600 pe_dll_export_everything = 1;
602 case OPTION_EXCLUDE_SYMBOLS:
603 pe_dll_add_excludes (optarg, 0);
605 case OPTION_EXCLUDE_LIBS:
606 pe_dll_add_excludes (optarg, 1);
608 case OPTION_KILL_ATS:
611 case OPTION_STDCALL_ALIASES:
612 pe_dll_stdcall_aliases = 1;
614 case OPTION_ENABLE_STDCALL_FIXUP:
615 pe_enable_stdcall_fixup = 1;
617 case OPTION_DISABLE_STDCALL_FIXUP:
618 pe_enable_stdcall_fixup = 0;
620 case OPTION_IMPLIB_FILENAME:
621 pe_implib_filename = xstrdup (optarg);
623 case OPTION_WARN_DUPLICATE_EXPORTS:
624 pe_dll_warn_dup_exports = 1;
626 case OPTION_IMP_COMPAT:
627 pe_dll_compat_implib = 1;
629 case OPTION_ENABLE_AUTO_IMAGE_BASE:
630 pe_enable_auto_image_base = 1;
632 case OPTION_DISABLE_AUTO_IMAGE_BASE:
633 pe_enable_auto_image_base = 0;
635 case OPTION_DLL_SEARCH_PREFIX:
636 pe_dll_search_prefix = xstrdup( optarg );
638 case OPTION_NO_DEFAULT_EXCLUDES:
639 pe_dll_do_default_excludes = 0;
641 case OPTION_DLL_ENABLE_AUTO_IMPORT:
642 link_info.pei386_auto_import = 1;
644 case OPTION_DLL_DISABLE_AUTO_IMPORT:
645 link_info.pei386_auto_import = 0;
647 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
648 link_info.pei386_runtime_pseudo_reloc = 1;
650 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
651 link_info.pei386_runtime_pseudo_reloc = 0;
653 case OPTION_ENABLE_EXTRA_PE_DEBUG:
654 pe_dll_extra_pe_debug = 1;
664 strhash (const char *str)
666 const unsigned char *s;
673 s = (const unsigned char *) str;
674 while ((c = *s++) != '\0')
676 hash += c + (c << 17);
680 hash += len + (len << 17);
686 /* Use the output file to create a image base for relocatable DLLs. */
688 compute_dll_image_base (const char *ofile)
690 unsigned long hash = strhash (ofile);
691 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
695 /* Assign values to the special symbols before the linker script is
699 gld_${EMULATION_NAME}_set_symbols ()
701 /* Run through and invent symbols for all the
702 names and insert the defaults. */
704 lang_statement_list_type *save;
706 if (!init[IMAGEBASEOFF].inited)
708 if (link_info.relocateable)
709 init[IMAGEBASEOFF].value = 0;
710 else if (init[DLLOFF].value || link_info.shared)
712 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
713 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
715 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
718 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
721 /* Don't do any symbol assignments if this is a relocateable link. */
722 if (link_info.relocateable)
725 /* Glue the assignments into the abs section */
728 stat_ptr = &(abs_output_section->children);
730 for (j = 0; init[j].ptr; j++)
732 long val = init[j].value;
733 lang_assignment_statement_type *rv;
734 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
736 if (init[j].size == sizeof(short))
737 *(short *)init[j].ptr = val;
738 else if (init[j].size == sizeof(int))
739 *(int *)init[j].ptr = val;
740 else if (init[j].size == sizeof(long))
741 *(long *)init[j].ptr = val;
742 /* This might be a long long or other special type. */
743 else if (init[j].size == sizeof(bfd_vma))
744 *(bfd_vma *)init[j].ptr = val;
746 if (j == IMAGEBASEOFF)
747 image_base_statement = rv;
749 /* Restore the pointer. */
752 if (pe.FileAlignment >
755 einfo (_("%P: warning, file alignment > section alignment.\n"));
759 /* This is called after the linker script and the command line options
763 gld_${EMULATION_NAME}_after_parse ()
765 /* The Windows libraries are designed for the linker to treat the
766 entry point as an undefined symbol. Otherwise, the .obj that
767 defines mainCRTStartup is brought in because it is the first
768 encountered in libc.lib and it has other symbols in it which will
769 be pulled in by the link process. To avoid this, we act as
770 though the user specified -u with the entry point symbol.
772 This function is called after the linker script and command line
773 options have been read, so at this point we know the right entry
774 point. This function is called before the input files are
775 opened, so registering the symbol as undefined will make a
778 if (! link_info.relocateable && entry_symbol.name != NULL)
779 ldlang_add_undef (entry_symbol.name);
782 /* pe-dll.c directly accesses pe_data_import_dll,
783 so it must be defined outside of #ifdef DLL_SUPPORT.
784 Note - this variable is deliberately not initialised.
785 This allows it to be treated as a common varaible, and only
786 exist in one incarnation in a multiple target enabled linker. */
787 char * pe_data_import_dll;
790 static struct bfd_link_hash_entry *pe_undef_found_sym;
793 pe_undef_cdecl_match (h, string)
794 struct bfd_link_hash_entry *h;
798 sl = strlen (string); /* silence compiler warning */
799 if (h->type == bfd_link_hash_defined
800 && strncmp (h->root.string, string, sl) == 0
801 && h->root.string[sl] == '@')
803 pe_undef_found_sym = h;
812 static int gave_warning_message = 0;
813 struct bfd_link_hash_entry *undef, *sym;
815 if (pe_dll_extra_pe_debug)
816 printf ("%s\n", __FUNCTION__);
818 for (undef = link_info.hash->undefs; undef; undef=undef->next)
819 if (undef->type == bfd_link_hash_undefined)
821 char* at = strchr (undef->root.string, '@');
822 int lead_at = (*undef->root.string == '@');
823 /* For now, don't try to fixup fastcall symbols. */
827 /* The symbol is a stdcall symbol, so let's look for a
828 cdecl symbol with the same name and resolve to that. */
829 char *cname = xstrdup (undef->root.string /* + lead_at */);
830 at = strchr (cname, '@');
832 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
834 if (sym && sym->type == bfd_link_hash_defined)
836 undef->type = bfd_link_hash_defined;
837 undef->u.def.value = sym->u.def.value;
838 undef->u.def.section = sym->u.def.section;
839 if (pe_enable_stdcall_fixup == -1)
841 einfo (_("Warning: resolving %s by linking to %s\n"),
842 undef->root.string, cname);
843 if (! gave_warning_message)
845 gave_warning_message = 1;
846 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
847 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
854 /* The symbol is a cdecl symbol, so we look for stdcall
855 symbols - which means scanning the whole symbol table */
856 pe_undef_found_sym = 0;
857 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
858 (PTR) undef->root.string);
859 sym = pe_undef_found_sym;
862 undef->type = bfd_link_hash_defined;
863 undef->u.def.value = sym->u.def.value;
864 undef->u.def.section = sym->u.def.section;
865 if (pe_enable_stdcall_fixup == -1)
867 einfo (_("Warning: resolving %s by linking to %s\n"),
868 undef->root.string, sym->root.string);
869 if (! gave_warning_message)
871 gave_warning_message = 1;
872 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
873 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
882 make_import_fixup (rel, s)
886 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
889 if (pe_dll_extra_pe_debug)
890 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
891 (long) rel->address, (long) rel->addend);
893 if (!bfd_get_section_contents(s->owner, s, &addend, rel->address, sizeof(addend)))
894 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
895 s->owner, s, rel->address);
897 pe_create_import_fixup (rel, s, addend);
903 pe_find_data_imports ()
905 struct bfd_link_hash_entry *undef, *sym;
907 for (undef = link_info.hash->undefs; undef; undef=undef->next)
909 if (undef->type == bfd_link_hash_undefined)
911 /* C++ symbols are *long* */
914 if (pe_dll_extra_pe_debug)
915 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
917 sprintf (buf, "__imp_%s", undef->root.string);
919 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
921 if (sym && sym->type == bfd_link_hash_defined)
923 if (link_info.pei386_auto_import == -1)
924 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
925 undef->root.string, buf);
928 bfd *b = sym->u.def.section->owner;
930 int nsyms, symsize, i;
932 symsize = bfd_get_symtab_upper_bound (b);
933 symbols = (asymbol **) xmalloc (symsize);
934 nsyms = bfd_canonicalize_symtab (b, symbols);
936 for (i = 0; i < nsyms; i++)
938 if (memcmp(symbols[i]->name, "__head_",
939 sizeof ("__head_") - 1))
942 if (pe_dll_extra_pe_debug)
943 printf ("->%s\n", symbols[i]->name);
945 pe_data_import_dll = (char*) (symbols[i]->name +
946 sizeof ("__head_") - 1);
951 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
954 /* Let's differentiate it somehow from defined. */
955 undef->type = bfd_link_hash_defweak;
956 /* We replace original name with __imp_ prefixed, this
957 1) may trash memory 2) leads to duplicate symbol generation.
958 Still, IMHO it's better than having name poluted. */
959 undef->root.string = sym->root.string;
960 undef->u.def.value = sym->u.def.value;
961 undef->u.def.section = sym->u.def.section;
966 #endif /* DLL_SUPPORT */
970 struct bfd_hash_entry *h;
971 PTR string ATTRIBUTE_UNUSED;
973 if (pe_dll_extra_pe_debug)
974 printf ("+%s\n",h->string);
981 gld_${EMULATION_NAME}_after_open ()
983 if (pe_dll_extra_pe_debug)
986 struct bfd_link_hash_entry *sym;
988 printf ("%s()\n", __FUNCTION__);
990 for (sym = link_info.hash->undefs; sym; sym=sym->next)
991 printf ("-%s\n", sym->root.string);
992 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
994 for (a = link_info.input_bfds; a; a = a->link_next)
995 printf ("*%s\n",a->filename);
998 /* Pass the wacky PE command line options into the output bfd.
999 FIXME: This should be done via a function, rather than by
1000 including an internal BFD header. */
1002 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
1003 einfo (_("%F%P: PE operations on non PE file.\n"));
1005 pe_data (output_bfd)->pe_opthdr = pe;
1006 pe_data (output_bfd)->dll = init[DLLOFF].value;
1009 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1010 pe_fixup_stdcalls ();
1012 pe_find_data_imports ();
1014 pe_process_import_defs(output_bfd, &link_info);
1015 if (link_info.shared)
1016 pe_dll_build_sections (output_bfd, &link_info);
1018 #ifndef TARGET_IS_i386pe
1019 #ifndef TARGET_IS_armpe
1021 pe_exe_build_sections (output_bfd, &link_info);
1026 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1027 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1029 /* The arm backend needs special fields in the output hash structure.
1030 These will only be created if the output format is an arm format,
1031 hence we do not support linking and changing output formats at the
1032 same time. Use a link followed by objcopy to change output formats. */
1033 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1037 /* Find a BFD that can hold the interworking stubs. */
1038 LANG_FOR_EACH_INPUT_STATEMENT (is)
1040 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
1047 /* This next chunk of code tries to detect the case where you have
1048 two import libraries for the same DLL (specifically,
1049 symbolically linking libm.a and libc.a in cygwin to
1050 libcygwin.a). In those cases, it's possible for function
1051 thunks from the second implib to be used but without the
1052 head/tail objects, causing an improper import table. We detect
1053 those cases and rename the "other" import libraries to match
1054 the one the head/tail come from, so that the linker will sort
1055 things nicely and produce a valid import table. */
1057 LANG_FOR_EACH_INPUT_STATEMENT (is)
1059 if (is->the_bfd->my_archive)
1061 int idata2 = 0, reloc_count=0, is_imp = 0;
1064 /* See if this is an import library thunk. */
1065 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1067 if (strcmp (sec->name, ".idata\$2") == 0)
1069 if (strncmp (sec->name, ".idata\$", 7) == 0)
1071 reloc_count += sec->reloc_count;
1074 if (is_imp && !idata2 && reloc_count)
1076 /* It is, look for the reference to head and see if it's
1077 from our own library. */
1078 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1087 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1090 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1094 symbols = (asymbol **) xmalloc (symsize);
1095 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1098 einfo ("%X%P: unable to process symbols: %E");
1102 relocs = (arelent **) xmalloc ((size_t) relsize);
1103 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1108 einfo ("%X%P: unable to process relocs: %E");
1112 for (i = 0; i < nrelocs; i++)
1114 struct symbol_cache_entry *s;
1115 struct bfd_link_hash_entry * blhe;
1119 s = (relocs[i]->sym_ptr_ptr)[0];
1121 if (s->flags & BSF_LOCAL)
1124 /* Thunk section with reloc to another bfd. */
1125 blhe = bfd_link_hash_lookup (link_info.hash,
1127 FALSE, FALSE, TRUE);
1130 || blhe->type != bfd_link_hash_defined)
1133 other_bfd = blhe->u.def.section->owner;
1135 if (strcmp (is->the_bfd->my_archive->filename,
1136 other_bfd->my_archive->filename) == 0)
1139 /* Rename this implib to match the other. */
1140 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
1142 strcpy (n, other_bfd->my_archive->filename);
1144 is->the_bfd->my_archive->filename = n;
1148 /* Note - we do not free the symbols,
1149 they are now cached in the BFD. */
1159 lang_input_statement_type *is2;
1161 /* Careful - this is a shell script. Watch those dollar signs! */
1162 /* Microsoft import libraries have every member named the same,
1163 and not in the right order for us to link them correctly. We
1164 must detect these and rename the members so that they'll link
1165 correctly. There are three types of objects: the head, the
1166 thunks, and the sentinel(s). The head is easy; it's the one
1167 with idata2. We assume that the sentinels won't have relocs,
1168 and the thunks will. It's easier than checking the symbol
1169 table for external references. */
1170 LANG_FOR_EACH_INPUT_STATEMENT (is)
1172 if (is->the_bfd->my_archive)
1174 bfd *arch = is->the_bfd->my_archive;
1175 if (cur_arch != arch)
1180 is2 && is2->the_bfd->my_archive == arch;
1181 is2 = (lang_input_statement_type *)is2->next)
1183 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1190 int idata2 = 0, reloc_count=0;
1192 char *new_name, seq;
1194 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1196 if (strcmp (sec->name, ".idata\$2") == 0)
1198 reloc_count += sec->reloc_count;
1201 if (idata2) /* .idata2 is the TOC */
1203 else if (reloc_count > 0) /* thunks */
1208 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1209 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1210 is->the_bfd->filename = new_name;
1212 new_name = xmalloc (strlen (is->filename) + 3);
1213 sprintf (new_name, "%s.%c", is->filename, seq);
1214 is->filename = new_name;
1222 gld_${EMULATION_NAME}_before_allocation()
1224 #ifdef TARGET_IS_ppcpe
1225 /* Here we rummage through the found bfds to collect toc information. */
1227 LANG_FOR_EACH_INPUT_STATEMENT (is)
1229 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1231 /* xgettext:c-format */
1232 einfo (_("Errors encountered processing file %s\n"), is->filename);
1237 /* We have seen it all. Allocate it, and carry on. */
1238 ppc_allocate_toc_section (&link_info);
1239 #endif /* TARGET_IS_ppcpe */
1241 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1242 /* FIXME: we should be able to set the size of the interworking stub
1245 Here we rummage through the found bfds to collect glue
1246 information. FIXME: should this be based on a command line
1247 option? krk@cygnus.com. */
1249 LANG_FOR_EACH_INPUT_STATEMENT (is)
1251 if (! bfd_arm_pe_process_before_allocation
1252 (is->the_bfd, & link_info, support_old_code))
1254 /* xgettext:c-format */
1255 einfo (_("Errors encountered processing file %s for interworking"),
1261 /* We have seen it all. Allocate it, and carry on. */
1262 bfd_arm_pe_allocate_interworking_sections (& link_info);
1263 #endif /* TARGET_IS_armpe */
1267 /* This is called when an input file isn't recognized as a BFD. We
1268 check here for .DEF files and pull them in automatically. */
1271 saw_option (char * option)
1275 for (i = 0; init[i].ptr; i++)
1276 if (strcmp (init[i].symbol, option) == 0)
1277 return init[i].inited;
1280 #endif /* DLL_SUPPORT */
1283 gld_${EMULATION_NAME}_unrecognized_file(entry)
1284 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1287 const char *ext = entry->filename + strlen (entry->filename) - 4;
1289 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1291 if (pe_def_file == 0)
1292 pe_def_file = def_file_empty ();
1294 def_file_parse (entry->filename, pe_def_file);
1298 int i, buflen=0, len;
1301 for (i = 0; i < pe_def_file->num_exports; i++)
1303 len = strlen(pe_def_file->exports[i].internal_name);
1304 if (buflen < len + 2)
1308 buf = (char *) xmalloc (buflen);
1310 for (i = 0; i < pe_def_file->num_exports; i++)
1312 struct bfd_link_hash_entry *h;
1314 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
1316 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1317 if (h == (struct bfd_link_hash_entry *) NULL)
1318 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1319 if (h->type == bfd_link_hash_new)
1321 h->type = bfd_link_hash_undefined;
1322 h->u.undef.abfd = NULL;
1323 bfd_link_add_undef (link_info.hash, h);
1328 /* def_file_print (stdout, pe_def_file); */
1329 if (pe_def_file->is_dll == 1)
1330 link_info.shared = 1;
1332 if (pe_def_file->base_address != (bfd_vma)(-1))
1335 pe_data (output_bfd)->pe_opthdr.ImageBase =
1336 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1337 init[IMAGEBASEOFF].inited = 1;
1338 if (image_base_statement)
1339 image_base_statement->exp =
1340 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1344 /* Not sure if these *should* be set */
1345 if (pe_def_file->version_major != -1)
1347 pe.MajorImageVersion = pe_def_file->version_major;
1348 pe.MinorImageVersion = pe_def_file->version_minor;
1351 if (pe_def_file->stack_reserve != -1
1352 && ! saw_option ("__size_of_stack_reserve__"))
1354 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1355 if (pe_def_file->stack_commit != -1)
1356 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1358 if (pe_def_file->heap_reserve != -1
1359 && ! saw_option ("__size_of_heap_reserve__"))
1361 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1362 if (pe_def_file->heap_commit != -1)
1363 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1373 gld_${EMULATION_NAME}_recognized_file(entry)
1374 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1377 #ifdef TARGET_IS_i386pe
1378 pe_dll_id_target ("pei-i386");
1380 #ifdef TARGET_IS_shpe
1381 pe_dll_id_target ("pei-shl");
1383 #ifdef TARGET_IS_mipspe
1384 pe_dll_id_target ("pei-mips");
1386 #ifdef TARGET_IS_armpe
1387 pe_dll_id_target ("pei-arm-little");
1389 if (bfd_get_format (entry->the_bfd) == bfd_object)
1391 const char *ext = entry->filename + strlen (entry->filename) - 4;
1393 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1394 return pe_implied_import_dll (entry->filename);
1401 gld_${EMULATION_NAME}_finish ()
1403 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1404 struct bfd_link_hash_entry * h;
1406 if (thumb_entry_symbol != NULL)
1408 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1409 FALSE, FALSE, TRUE);
1411 if (h != (struct bfd_link_hash_entry *) NULL
1412 && (h->type == bfd_link_hash_defined
1413 || h->type == bfd_link_hash_defweak)
1414 && h->u.def.section->output_section != NULL)
1416 static char buffer[32];
1419 /* Special procesing is required for a Thumb entry symbol. The
1420 bottom bit of its address must be set. */
1421 val = (h->u.def.value
1422 + bfd_get_section_vma (output_bfd,
1423 h->u.def.section->output_section)
1424 + h->u.def.section->output_offset);
1428 /* Now convert this value into a string and store it in entry_symbol
1429 where the lang_finish() function will pick it up. */
1433 sprintf_vma (buffer + 2, val);
1435 if (entry_symbol.name != NULL && entry_from_cmdline)
1436 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1437 thumb_entry_symbol, entry_symbol.name);
1438 entry_symbol.name = buffer;
1441 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1443 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1446 if (link_info.shared)
1448 pe_dll_fill_sections (output_bfd, &link_info);
1449 if (pe_implib_filename)
1450 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1452 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1453 /* ARM doesn't need relocs. */
1456 pe_exe_fill_sections (output_bfd, &link_info);
1460 if (pe_out_def_filename)
1461 pe_dll_generate_def_file (pe_out_def_filename);
1462 #endif /* DLL_SUPPORT */
1464 /* I don't know where .idata gets set as code, but it shouldn't be. */
1466 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1470 asec->flags &= ~SEC_CODE;
1471 asec->flags |= SEC_DATA;
1477 /* Find the last output section before given output statement.
1478 Used by place_orphan. */
1481 output_prev_sec_find (os)
1482 lang_output_section_statement_type *os;
1484 asection *s = (asection *) NULL;
1485 lang_statement_union_type *u;
1486 lang_output_section_statement_type *lookup;
1488 for (u = lang_output_section_statement.head;
1489 u != (lang_statement_union_type *) NULL;
1492 lookup = &u->output_section_statement;
1496 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1497 s = lookup->bfd_section;
1503 /* Place an orphan section.
1505 We use this to put sections in a reasonable place in the file, and
1506 to ensure that they are aligned as required.
1508 We handle grouped sections here as well. A section named .foo$nn
1509 goes into the output section .foo. All grouped sections are sorted
1512 Grouped sections for the default sections are handled by the
1513 default linker script using wildcards, and are sorted by
1518 lang_output_section_statement_type *os;
1520 lang_statement_union_type **stmt;
1524 gld_${EMULATION_NAME}_place_orphan (file, s)
1525 lang_input_statement_type *file;
1528 const char *secname;
1529 char *hold_section_name;
1530 char *dollar = NULL;
1531 const char *ps = NULL;
1532 lang_output_section_statement_type *os;
1533 lang_statement_list_type add_child;
1535 secname = bfd_get_section_name (s->owner, s);
1537 /* Look through the script to see where to place this section. */
1538 hold_section_name = xstrdup (secname);
1539 if (!link_info.relocateable)
1541 dollar = strchr (hold_section_name, '$');
1546 os = lang_output_section_find (hold_section_name);
1548 lang_list_init (&add_child);
1551 && (os->bfd_section == NULL
1552 || ((s->flags ^ os->bfd_section->flags)
1553 & (SEC_LOAD | SEC_ALLOC)) == 0))
1555 /* We already have an output section statement with this
1556 name, and its bfd section, if any, has compatible flags. */
1557 lang_add_section (&add_child, s, os, file);
1561 struct orphan_save *place;
1562 static struct orphan_save hold_text;
1563 static struct orphan_save hold_rdata;
1564 static struct orphan_save hold_data;
1565 static struct orphan_save hold_bss;
1567 lang_statement_list_type *old;
1568 lang_statement_list_type add;
1569 etree_type *address;
1571 /* Try to put the new output section in a reasonable place based
1572 on the section name and section flags. */
1573 #define HAVE_SECTION(hold, name) \
1574 (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1577 if ((s->flags & SEC_ALLOC) == 0)
1579 else if ((s->flags & SEC_HAS_CONTENTS) == 0
1580 && HAVE_SECTION (hold_bss, ".bss"))
1582 else if ((s->flags & SEC_READONLY) == 0
1583 && HAVE_SECTION (hold_data, ".data"))
1585 else if ((s->flags & SEC_CODE) == 0
1586 && (s->flags & SEC_READONLY) != 0
1587 && HAVE_SECTION (hold_rdata, ".rdata"))
1588 place = &hold_rdata;
1589 else if ((s->flags & SEC_READONLY) != 0
1590 && HAVE_SECTION (hold_text, ".text"))
1595 /* Choose a unique name for the section. This will be needed if
1596 the same section name appears in the input file with
1597 different loadable or allocatable characteristics. */
1598 outsecname = xstrdup (hold_section_name);
1599 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1605 len = strlen (outsecname);
1606 newname = xmalloc (len + 5);
1607 strcpy (newname, outsecname);
1611 sprintf (newname + len, "%d", i);
1614 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1617 outsecname = newname;
1620 /* Start building a list of statements for this section. */
1623 lang_list_init (stat_ptr);
1625 if (config.build_constructors)
1627 /* If the name of the section is representable in C, then create
1628 symbols to mark the start and the end of the section. */
1629 for (ps = outsecname; *ps != '\0'; ps++)
1630 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1635 etree_type *e_align;
1637 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1638 sprintf (symname, "___start_%s", outsecname);
1639 e_align = exp_unop (ALIGN_K,
1640 exp_intop ((bfd_vma) 1 << s->alignment_power));
1641 lang_add_assignment (exp_assop ('=', symname, e_align));
1645 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1646 address = exp_intop ((bfd_vma) 0);
1649 /* All sections in an executable must be aligned to a page
1651 address = exp_unop (ALIGN_K,
1652 exp_nameop (NAME, "__section_alignment__"));
1655 os = lang_enter_output_section_statement (outsecname, address, 0,
1657 (etree_type *) NULL,
1658 (etree_type *) NULL,
1659 (etree_type *) NULL);
1661 lang_add_section (&add_child, s, os, file);
1663 lang_leave_output_section_statement
1664 ((bfd_vma) 0, "*default*",
1665 (struct lang_output_section_phdr_list *) NULL, NULL);
1667 if (config.build_constructors && *ps == '\0')
1671 /* lang_leave_ouput_section_statement resets stat_ptr.
1672 Put stat_ptr back where we want it. */
1676 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1677 sprintf (symname, "___stop_%s", outsecname);
1678 lang_add_assignment (exp_assop ('=', symname,
1679 exp_nameop (NAME, ".")));
1684 if (place != NULL && os->bfd_section != NULL)
1686 asection *snew, **pps;
1688 snew = os->bfd_section;
1690 /* Shuffle the bfd section list to make the output file look
1691 neater. This is really only cosmetic. */
1692 if (place->section == NULL)
1694 asection *bfd_section = place->os->bfd_section;
1696 /* If the output statement hasn't been used to place
1697 any input sections (and thus doesn't have an output
1698 bfd_section), look for the closest prior output statement
1699 having an output section. */
1700 if (bfd_section == NULL)
1701 bfd_section = output_prev_sec_find (place->os);
1703 if (bfd_section != NULL && bfd_section != snew)
1704 place->section = &bfd_section->next;
1707 if (place->section != NULL)
1709 /* Unlink the section. */
1710 for (pps = &output_bfd->sections;
1712 pps = &(*pps)->next)
1714 bfd_section_list_remove (output_bfd, pps);
1716 /* Now tack it on to the "place->os" section list. */
1717 bfd_section_list_insert (output_bfd, place->section, snew);
1720 /* Save the end of this list. Further ophans of this type will
1721 follow the one we've just added. */
1722 place->section = &snew->next;
1724 /* The following is non-cosmetic. We try to put the output
1725 statements in some sort of reasonable order here, because
1726 they determine the final load addresses of the orphan
1727 sections. In addition, placing output statements in the
1728 wrong order may require extra segments. For instance,
1729 given a typical situation of all read-only sections placed
1730 in one segment and following that a segment containing all
1731 the read-write sections, we wouldn't want to place an orphan
1732 read/write section before or amongst the read-only ones. */
1733 if (add.head != NULL)
1735 if (place->stmt == NULL)
1737 /* Put the new statement list right at the head. */
1738 *add.tail = place->os->header.next;
1739 place->os->header.next = add.head;
1743 /* Put it after the last orphan statement we added. */
1744 *add.tail = *place->stmt;
1745 *place->stmt = add.head;
1748 /* Fix the global list pointer if we happened to tack our
1749 new list at the tail. */
1750 if (*old->tail == add.head)
1751 old->tail = add.tail;
1753 /* Save the end of this list. */
1754 place->stmt = add.tail;
1760 lang_statement_union_type **pl = &os->children.head;
1764 bfd_boolean found_dollar;
1766 /* The section name has a '$'. Sort it with the other '$'
1768 found_dollar = FALSE;
1769 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1771 lang_input_section_type *ls;
1774 if ((*pl)->header.type != lang_input_section_enum)
1777 ls = &(*pl)->input_section;
1779 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1780 if (strchr (lname, '$') == NULL)
1787 found_dollar = TRUE;
1788 if (strcmp (secname, lname) < 0)
1794 if (add_child.head != NULL)
1796 add_child.head->header.next = *pl;
1797 *pl = add_child.head;
1801 free (hold_section_name);
1807 gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
1808 const char * arch ATTRIBUTE_UNUSED;
1809 search_dirs_type * search;
1810 lang_input_statement_type * entry;
1812 const char * filename;
1815 if (! entry->is_archive)
1818 filename = entry->filename;
1820 string = (char *) xmalloc (strlen (search->name)
1822 + sizeof "/lib.a.dll"
1824 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1828 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
1829 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
1831 if (! ldfile_try_open_bfd (string, entry))
1833 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
1834 sprintf (string, "%s/%s.dll.a", search->name, filename);
1835 if (! ldfile_try_open_bfd (string, entry))
1837 /* Try libfoo.a next. Normally, this would be interpreted as a static
1838 library, but it *could* be an import library. For backwards compatibility,
1839 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1840 or sometimes errors occur when building legacy packages.
1842 Putting libfoo.a here means that in a failure case (i.e. the library
1843 -lfoo is not found) we will search for libfoo.a twice before
1844 giving up -- once here, and once when searching for a "static" lib.
1845 for a "static" lib. */
1846 /* Try "libfoo.a" (import lib, or static lib, but must
1847 take precedence over dll's) */
1848 sprintf (string, "%s/lib%s.a", search->name, filename);
1849 if (! ldfile_try_open_bfd (string, entry))
1852 if (pe_dll_search_prefix)
1854 /* Try "<prefix>foo.dll" (preferred dll name, if specified) */
1855 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
1856 if (! ldfile_try_open_bfd (string, entry))
1858 /* Try "libfoo.dll" (default preferred dll name) */
1859 sprintf (string, "%s/lib%s.dll", search->name, filename);
1860 if (! ldfile_try_open_bfd (string, entry))
1862 /* Finally, try "foo.dll" (alternate dll name) */
1863 sprintf (string, "%s/%s.dll", search->name, filename);
1864 if (! ldfile_try_open_bfd (string, entry))
1872 else /* pe_dll_search_prefix not specified. */
1875 /* Try "libfoo.dll" (preferred dll name). */
1876 sprintf (string, "%s/lib%s.dll", search->name, filename);
1877 if (! ldfile_try_open_bfd (string, entry))
1879 /* Finally, try "foo.dll" (alternate dll name). */
1880 sprintf (string, "%s/%s.dll", search->name, filename);
1881 if (! ldfile_try_open_bfd (string, entry))
1892 entry->filename = string;
1898 gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
1900 lang_input_statement_type * entry;
1902 return ldfile_open_file_search (name, entry, "", ".lib");
1906 gld_${EMULATION_NAME}_get_script(isfile)
1909 # Scripts compiled in.
1910 # sed commands to quote an ld script as a C string.
1911 sc="-f stringify.sed"
1913 cat >>e${EMULATION_NAME}.c <<EOF
1917 if (link_info.relocateable && config.build_constructors)
1920 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1921 echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
1922 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1923 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1924 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1925 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1926 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1927 echo ' ; else return' >> e${EMULATION_NAME}.c
1928 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1929 echo '; }' >> e${EMULATION_NAME}.c
1931 cat >>e${EMULATION_NAME}.c <<EOF
1934 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1936 gld_${EMULATION_NAME}_before_parse,
1939 gld_${EMULATION_NAME}_after_parse,
1940 gld_${EMULATION_NAME}_after_open,
1941 after_allocation_default,
1942 set_output_arch_default,
1943 ldemul_default_target,
1944 gld_${EMULATION_NAME}_before_allocation,
1945 gld_${EMULATION_NAME}_get_script,
1946 "${EMULATION_NAME}",
1948 gld_${EMULATION_NAME}_finish, /* finish */
1949 NULL, /* create output section statements */
1950 gld_${EMULATION_NAME}_open_dynamic_archive,
1951 gld_${EMULATION_NAME}_place_orphan,
1952 gld_${EMULATION_NAME}_set_symbols,
1953 gld_${EMULATION_NAME}_parse_args,
1954 gld_${EMULATION_NAME}_unrecognized_file,
1955 gld_${EMULATION_NAME}_list_options,
1956 gld_${EMULATION_NAME}_recognized_file,
1957 gld_${EMULATION_NAME}_find_potential_libraries,
1958 NULL /* new_vers_pattern */