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 /* getopt() allows abbreviations, so we do this to stop it from
264 treating -c as an abbreviation for these --compat-implib. */
265 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
266 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
267 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
268 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
269 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
270 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
271 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
272 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
273 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
274 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
275 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
277 {NULL, no_argument, NULL, 0}
281 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
282 parameters which may be input from the command line */
293 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
295 static definfo init[] =
297 /* imagebase must be first */
298 #define IMAGEBASEOFF 0
299 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
301 {&dll, sizeof(dll), 0, "__dll__", 0},
302 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
303 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
304 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
305 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
306 D(MajorImageVersion,"__major_image_version__", 1),
307 D(MinorImageVersion,"__minor_image_version__", 0),
308 #ifdef TARGET_IS_armpe
309 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
311 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
313 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
314 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
315 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
316 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
317 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
318 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
319 D(LoaderFlags,"__loader_flags__", 0x0),
320 { NULL, 0, 0, NULL, 0 }
324 gld_${EMULATION_NAME}_list_options (file)
327 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
328 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
329 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
330 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
331 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
332 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
333 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
334 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
335 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
336 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
337 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
338 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
339 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
340 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
341 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
342 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
344 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
345 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
346 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
347 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
348 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
349 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
350 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
351 fprintf (file, _(" --out-implib <file> Generate import library\n"));
352 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
353 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
354 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
355 create __imp_<SYMBOL> as well.\n"));
356 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
357 unless user specifies one\n"));
358 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
359 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without an\n\
360 importlib, use <string><basename>.dll \n\
361 in preference to lib<basename>.dll \n"));
362 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n\
363 __imp_sym for DATA references\n"));
364 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
365 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
366 adding pseudo-relocations resolved at runtime.\n"));
367 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
368 auto-imported DATA.\n"));
369 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
370 or linking to DLLs (esp. auto-import)\n"));
375 set_pe_name (name, val)
380 /* Find the name and set it. */
381 for (i = 0; init[i].ptr; i++)
383 if (strcmp (name, init[i].symbol) == 0)
408 { "native", 1, "NtProcessStartup" },
409 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
410 { "windows", 2, "WinMainCRTStartup" },
412 { "windows", 2, "WinMainCRTStartup" },
414 { "console", 3, "mainCRTStartup" },
416 /* The Microsoft linker does not recognize this. */
419 { "posix", 7, "__PosixProcessStartup"},
420 { "wince", 9, "_WinMainCRTStartup" },
424 sver = strchr (optarg, ':');
426 len = strlen (optarg);
432 set_pe_name ("__major_subsystem_version__",
433 strtoul (sver + 1, &end, 0));
435 set_pe_name ("__minor_subsystem_version__",
436 strtoul (end + 1, &end, 0));
438 einfo (_("%P: warning: bad version number in -subsystem option\n"));
441 for (i = 0; v[i].name; i++)
443 if (strncmp (optarg, v[i].name, len) == 0
444 && v[i].name[len] == '\0')
446 const char *initial_symbol_char;
449 set_pe_name ("__subsystem__", v[i].value);
451 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
452 if (*initial_symbol_char == '\0')
458 /* lang_add_entry expects its argument to be permanently
459 allocated, so we don't free this string. */
460 alc_entry = xmalloc (strlen (initial_symbol_char)
461 + strlen (v[i].entry)
463 strcpy (alc_entry, initial_symbol_char);
464 strcat (alc_entry, v[i].entry);
468 lang_add_entry (entry, 0);
474 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
486 set_pe_name (name, strtoul (optarg, &end, 0));
489 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
495 set_pe_stack_heap (resname, comname)
499 set_pe_value (resname);
504 set_pe_value (comname);
507 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
513 gld_${EMULATION_NAME}_parse_args (argc, argv)
519 int prevoptind = optind;
520 int prevopterr = opterr;
522 static int lastoptind = -1;
524 if (lastoptind != optind)
530 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
541 case OPTION_BASE_FILE:
542 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
543 if (link_info.base_file == NULL)
545 /* xgettext:c-format */
546 fprintf (stderr, _("%s: Can't open base file %s\n"),
547 program_name, optarg);
554 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
557 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
559 case OPTION_SUBSYSTEM:
562 case OPTION_MAJOR_OS_VERSION:
563 set_pe_value ("__major_os_version__");
565 case OPTION_MINOR_OS_VERSION:
566 set_pe_value ("__minor_os_version__");
568 case OPTION_MAJOR_SUBSYSTEM_VERSION:
569 set_pe_value ("__major_subsystem_version__");
571 case OPTION_MINOR_SUBSYSTEM_VERSION:
572 set_pe_value ("__minor_subsystem_version__");
574 case OPTION_MAJOR_IMAGE_VERSION:
575 set_pe_value ("__major_image_version__");
577 case OPTION_MINOR_IMAGE_VERSION:
578 set_pe_value ("__minor_image_version__");
580 case OPTION_FILE_ALIGNMENT:
581 set_pe_value ("__file_alignment__");
583 case OPTION_SECTION_ALIGNMENT:
584 set_pe_value ("__section_alignment__");
587 set_pe_name ("__dll__", 1);
589 case OPTION_IMAGE_BASE:
590 set_pe_value ("__image_base__");
592 case OPTION_SUPPORT_OLD_CODE:
593 support_old_code = 1;
595 case OPTION_THUMB_ENTRY:
596 thumb_entry_symbol = optarg;
600 pe_out_def_filename = xstrdup (optarg);
602 case OPTION_EXPORT_ALL:
603 pe_dll_export_everything = 1;
605 case OPTION_EXCLUDE_SYMBOLS:
606 pe_dll_add_excludes (optarg, 0);
608 case OPTION_EXCLUDE_LIBS:
609 pe_dll_add_excludes (optarg, 1);
611 case OPTION_KILL_ATS:
614 case OPTION_STDCALL_ALIASES:
615 pe_dll_stdcall_aliases = 1;
617 case OPTION_ENABLE_STDCALL_FIXUP:
618 pe_enable_stdcall_fixup = 1;
620 case OPTION_DISABLE_STDCALL_FIXUP:
621 pe_enable_stdcall_fixup = 0;
623 case OPTION_IMPLIB_FILENAME:
624 pe_implib_filename = xstrdup (optarg);
626 case OPTION_WARN_DUPLICATE_EXPORTS:
627 pe_dll_warn_dup_exports = 1;
629 case OPTION_IMP_COMPAT:
630 pe_dll_compat_implib = 1;
632 case OPTION_ENABLE_AUTO_IMAGE_BASE:
633 pe_enable_auto_image_base = 1;
635 case OPTION_DISABLE_AUTO_IMAGE_BASE:
636 pe_enable_auto_image_base = 0;
638 case OPTION_DLL_SEARCH_PREFIX:
639 pe_dll_search_prefix = xstrdup (optarg);
641 case OPTION_NO_DEFAULT_EXCLUDES:
642 pe_dll_do_default_excludes = 0;
644 case OPTION_DLL_ENABLE_AUTO_IMPORT:
645 link_info.pei386_auto_import = 1;
647 case OPTION_DLL_DISABLE_AUTO_IMPORT:
648 link_info.pei386_auto_import = 0;
650 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
651 link_info.pei386_runtime_pseudo_reloc = 1;
653 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
654 link_info.pei386_runtime_pseudo_reloc = 0;
656 case OPTION_ENABLE_EXTRA_PE_DEBUG:
657 pe_dll_extra_pe_debug = 1;
667 strhash (const char *str)
669 const unsigned char *s;
676 s = (const unsigned char *) str;
677 while ((c = *s++) != '\0')
679 hash += c + (c << 17);
683 hash += len + (len << 17);
689 /* Use the output file to create a image base for relocatable DLLs. */
691 compute_dll_image_base (const char *ofile)
693 unsigned long hash = strhash (ofile);
694 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
698 /* Assign values to the special symbols before the linker script is
702 gld_${EMULATION_NAME}_set_symbols ()
704 /* Run through and invent symbols for all the
705 names and insert the defaults. */
707 lang_statement_list_type *save;
709 if (!init[IMAGEBASEOFF].inited)
711 if (link_info.relocateable)
712 init[IMAGEBASEOFF].value = 0;
713 else if (init[DLLOFF].value || link_info.shared)
715 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
716 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
718 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
721 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
724 /* Don't do any symbol assignments if this is a relocateable link. */
725 if (link_info.relocateable)
728 /* Glue the assignments into the abs section */
731 stat_ptr = &(abs_output_section->children);
733 for (j = 0; init[j].ptr; j++)
735 long val = init[j].value;
736 lang_assignment_statement_type *rv;
737 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
739 if (init[j].size == sizeof (short))
740 *(short *) init[j].ptr = val;
741 else if (init[j].size == sizeof (int))
742 *(int *) init[j].ptr = val;
743 else if (init[j].size == sizeof (long))
744 *(long *) init[j].ptr = val;
745 /* This might be a long long or other special type. */
746 else if (init[j].size == sizeof (bfd_vma))
747 *(bfd_vma *) init[j].ptr = val;
749 if (j == IMAGEBASEOFF)
750 image_base_statement = rv;
752 /* Restore the pointer. */
755 if (pe.FileAlignment >
758 einfo (_("%P: warning, file alignment > section alignment.\n"));
762 /* This is called after the linker script and the command line options
766 gld_${EMULATION_NAME}_after_parse ()
768 /* The Windows libraries are designed for the linker to treat the
769 entry point as an undefined symbol. Otherwise, the .obj that
770 defines mainCRTStartup is brought in because it is the first
771 encountered in libc.lib and it has other symbols in it which will
772 be pulled in by the link process. To avoid this, we act as
773 though the user specified -u with the entry point symbol.
775 This function is called after the linker script and command line
776 options have been read, so at this point we know the right entry
777 point. This function is called before the input files are
778 opened, so registering the symbol as undefined will make a
781 if (! link_info.relocateable && entry_symbol.name != NULL)
782 ldlang_add_undef (entry_symbol.name);
785 /* pe-dll.c directly accesses pe_data_import_dll,
786 so it must be defined outside of #ifdef DLL_SUPPORT.
787 Note - this variable is deliberately not initialised.
788 This allows it to be treated as a common varaible, and only
789 exist in one incarnation in a multiple target enabled linker. */
790 char * pe_data_import_dll;
793 static struct bfd_link_hash_entry *pe_undef_found_sym;
796 pe_undef_cdecl_match (h, string)
797 struct bfd_link_hash_entry *h;
801 sl = strlen (string); /* silence compiler warning */
802 if (h->type == bfd_link_hash_defined
803 && strncmp (h->root.string, string, sl) == 0
804 && h->root.string[sl] == '@')
806 pe_undef_found_sym = h;
815 static int gave_warning_message = 0;
816 struct bfd_link_hash_entry *undef, *sym;
818 if (pe_dll_extra_pe_debug)
819 printf ("%s\n", __FUNCTION__);
821 for (undef = link_info.hash->undefs; undef; undef=undef->next)
822 if (undef->type == bfd_link_hash_undefined)
824 char* at = strchr (undef->root.string, '@');
825 int lead_at = (*undef->root.string == '@');
826 /* For now, don't try to fixup fastcall symbols. */
830 /* The symbol is a stdcall symbol, so let's look for a
831 cdecl symbol with the same name and resolve to that. */
832 char *cname = xstrdup (undef->root.string /* + lead_at */);
833 at = strchr (cname, '@');
835 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
837 if (sym && sym->type == bfd_link_hash_defined)
839 undef->type = bfd_link_hash_defined;
840 undef->u.def.value = sym->u.def.value;
841 undef->u.def.section = sym->u.def.section;
842 if (pe_enable_stdcall_fixup == -1)
844 einfo (_("Warning: resolving %s by linking to %s\n"),
845 undef->root.string, cname);
846 if (! gave_warning_message)
848 gave_warning_message = 1;
849 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
850 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
857 /* The symbol is a cdecl symbol, so we look for stdcall
858 symbols - which means scanning the whole symbol table */
859 pe_undef_found_sym = 0;
860 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
861 (PTR) undef->root.string);
862 sym = pe_undef_found_sym;
865 undef->type = bfd_link_hash_defined;
866 undef->u.def.value = sym->u.def.value;
867 undef->u.def.section = sym->u.def.section;
868 if (pe_enable_stdcall_fixup == -1)
870 einfo (_("Warning: resolving %s by linking to %s\n"),
871 undef->root.string, sym->root.string);
872 if (! gave_warning_message)
874 gave_warning_message = 1;
875 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
876 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
885 make_import_fixup (rel, s)
889 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
892 if (pe_dll_extra_pe_debug)
893 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
894 (long) rel->address, (long) rel->addend);
896 if (! bfd_get_section_contents (s->owner, s, &addend, rel->address, sizeof (addend)))
897 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
898 s->owner, s, rel->address);
900 pe_create_import_fixup (rel, s, addend);
906 pe_find_data_imports ()
908 struct bfd_link_hash_entry *undef, *sym;
910 for (undef = link_info.hash->undefs; undef; undef=undef->next)
912 if (undef->type == bfd_link_hash_undefined)
914 /* C++ symbols are *long* */
917 if (pe_dll_extra_pe_debug)
918 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
920 sprintf (buf, "__imp_%s", undef->root.string);
922 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
924 if (sym && sym->type == bfd_link_hash_defined)
926 if (link_info.pei386_auto_import == -1)
927 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
928 undef->root.string, buf);
931 bfd *b = sym->u.def.section->owner;
933 int nsyms, symsize, i;
935 symsize = bfd_get_symtab_upper_bound (b);
936 symbols = (asymbol **) xmalloc (symsize);
937 nsyms = bfd_canonicalize_symtab (b, symbols);
939 for (i = 0; i < nsyms; i++)
941 if (memcmp (symbols[i]->name, "__head_",
942 sizeof ("__head_") - 1))
945 if (pe_dll_extra_pe_debug)
946 printf ("->%s\n", symbols[i]->name);
948 pe_data_import_dll = (char*) (symbols[i]->name +
949 sizeof ("__head_") - 1);
954 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
957 /* Let's differentiate it somehow from defined. */
958 undef->type = bfd_link_hash_defweak;
959 /* We replace original name with __imp_ prefixed, this
960 1) may trash memory 2) leads to duplicate symbol generation.
961 Still, IMHO it's better than having name poluted. */
962 undef->root.string = sym->root.string;
963 undef->u.def.value = sym->u.def.value;
964 undef->u.def.section = sym->u.def.section;
969 #endif /* DLL_SUPPORT */
973 struct bfd_hash_entry *h;
974 PTR string ATTRIBUTE_UNUSED;
976 if (pe_dll_extra_pe_debug)
977 printf ("+%s\n",h->string);
984 gld_${EMULATION_NAME}_after_open ()
986 if (pe_dll_extra_pe_debug)
989 struct bfd_link_hash_entry *sym;
991 printf ("%s()\n", __FUNCTION__);
993 for (sym = link_info.hash->undefs; sym; sym=sym->next)
994 printf ("-%s\n", sym->root.string);
995 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
997 for (a = link_info.input_bfds; a; a = a->link_next)
998 printf ("*%s\n",a->filename);
1001 /* Pass the wacky PE command line options into the output bfd.
1002 FIXME: This should be done via a function, rather than by
1003 including an internal BFD header. */
1005 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
1006 einfo (_("%F%P: PE operations on non PE file.\n"));
1008 pe_data (output_bfd)->pe_opthdr = pe;
1009 pe_data (output_bfd)->dll = init[DLLOFF].value;
1012 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1013 pe_fixup_stdcalls ();
1015 pe_process_import_defs (output_bfd, & link_info);
1017 pe_find_data_imports ();
1019 if (link_info.shared)
1020 pe_dll_build_sections (output_bfd, &link_info);
1022 #ifndef TARGET_IS_i386pe
1023 #ifndef TARGET_IS_armpe
1025 pe_exe_build_sections (output_bfd, &link_info);
1030 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1031 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1033 /* The arm backend needs special fields in the output hash structure.
1034 These will only be created if the output format is an arm format,
1035 hence we do not support linking and changing output formats at the
1036 same time. Use a link followed by objcopy to change output formats. */
1037 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1041 /* Find a BFD that can hold the interworking stubs. */
1042 LANG_FOR_EACH_INPUT_STATEMENT (is)
1044 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
1051 /* This next chunk of code tries to detect the case where you have
1052 two import libraries for the same DLL (specifically,
1053 symbolically linking libm.a and libc.a in cygwin to
1054 libcygwin.a). In those cases, it's possible for function
1055 thunks from the second implib to be used but without the
1056 head/tail objects, causing an improper import table. We detect
1057 those cases and rename the "other" import libraries to match
1058 the one the head/tail come from, so that the linker will sort
1059 things nicely and produce a valid import table. */
1061 LANG_FOR_EACH_INPUT_STATEMENT (is)
1063 if (is->the_bfd->my_archive)
1065 int idata2 = 0, reloc_count=0, is_imp = 0;
1068 /* See if this is an import library thunk. */
1069 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1071 if (strcmp (sec->name, ".idata\$2") == 0)
1073 if (strncmp (sec->name, ".idata\$", 7) == 0)
1075 reloc_count += sec->reloc_count;
1078 if (is_imp && !idata2 && reloc_count)
1080 /* It is, look for the reference to head and see if it's
1081 from our own library. */
1082 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1091 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1094 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1098 symbols = (asymbol **) xmalloc (symsize);
1099 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1102 einfo ("%X%P: unable to process symbols: %E");
1106 relocs = (arelent **) xmalloc ((size_t) relsize);
1107 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1112 einfo ("%X%P: unable to process relocs: %E");
1116 for (i = 0; i < nrelocs; i++)
1118 struct symbol_cache_entry *s;
1119 struct bfd_link_hash_entry * blhe;
1123 s = (relocs[i]->sym_ptr_ptr)[0];
1125 if (s->flags & BSF_LOCAL)
1128 /* Thunk section with reloc to another bfd. */
1129 blhe = bfd_link_hash_lookup (link_info.hash,
1131 FALSE, FALSE, TRUE);
1134 || blhe->type != bfd_link_hash_defined)
1137 other_bfd = blhe->u.def.section->owner;
1139 if (strcmp (is->the_bfd->my_archive->filename,
1140 other_bfd->my_archive->filename) == 0)
1143 /* Rename this implib to match the other. */
1144 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
1146 strcpy (n, other_bfd->my_archive->filename);
1148 is->the_bfd->my_archive->filename = n;
1152 /* Note - we do not free the symbols,
1153 they are now cached in the BFD. */
1163 lang_input_statement_type *is2;
1165 /* Careful - this is a shell script. Watch those dollar signs! */
1166 /* Microsoft import libraries have every member named the same,
1167 and not in the right order for us to link them correctly. We
1168 must detect these and rename the members so that they'll link
1169 correctly. There are three types of objects: the head, the
1170 thunks, and the sentinel(s). The head is easy; it's the one
1171 with idata2. We assume that the sentinels won't have relocs,
1172 and the thunks will. It's easier than checking the symbol
1173 table for external references. */
1174 LANG_FOR_EACH_INPUT_STATEMENT (is)
1176 if (is->the_bfd->my_archive)
1178 bfd *arch = is->the_bfd->my_archive;
1179 if (cur_arch != arch)
1184 is2 && is2->the_bfd->my_archive == arch;
1185 is2 = (lang_input_statement_type *)is2->next)
1187 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1194 int idata2 = 0, reloc_count=0;
1196 char *new_name, seq;
1198 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1200 if (strcmp (sec->name, ".idata\$2") == 0)
1202 reloc_count += sec->reloc_count;
1205 if (idata2) /* .idata2 is the TOC */
1207 else if (reloc_count > 0) /* thunks */
1212 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1213 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1214 is->the_bfd->filename = new_name;
1216 new_name = xmalloc (strlen (is->filename) + 3);
1217 sprintf (new_name, "%s.%c", is->filename, seq);
1218 is->filename = new_name;
1226 gld_${EMULATION_NAME}_before_allocation ()
1228 #ifdef TARGET_IS_ppcpe
1229 /* Here we rummage through the found bfds to collect toc information. */
1231 LANG_FOR_EACH_INPUT_STATEMENT (is)
1233 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1235 /* xgettext:c-format */
1236 einfo (_("Errors encountered processing file %s\n"), is->filename);
1241 /* We have seen it all. Allocate it, and carry on. */
1242 ppc_allocate_toc_section (&link_info);
1243 #endif /* TARGET_IS_ppcpe */
1245 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1246 /* FIXME: we should be able to set the size of the interworking stub
1249 Here we rummage through the found bfds to collect glue
1250 information. FIXME: should this be based on a command line
1251 option? krk@cygnus.com. */
1253 LANG_FOR_EACH_INPUT_STATEMENT (is)
1255 if (! bfd_arm_pe_process_before_allocation
1256 (is->the_bfd, & link_info, support_old_code))
1258 /* xgettext:c-format */
1259 einfo (_("Errors encountered processing file %s for interworking"),
1265 /* We have seen it all. Allocate it, and carry on. */
1266 bfd_arm_pe_allocate_interworking_sections (& link_info);
1267 #endif /* TARGET_IS_armpe */
1271 /* This is called when an input file isn't recognized as a BFD. We
1272 check here for .DEF files and pull them in automatically. */
1275 saw_option (char * option)
1279 for (i = 0; init[i].ptr; i++)
1280 if (strcmp (init[i].symbol, option) == 0)
1281 return init[i].inited;
1284 #endif /* DLL_SUPPORT */
1287 gld_${EMULATION_NAME}_unrecognized_file (entry)
1288 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1291 const char *ext = entry->filename + strlen (entry->filename) - 4;
1293 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1295 if (pe_def_file == 0)
1296 pe_def_file = def_file_empty ();
1298 def_file_parse (entry->filename, pe_def_file);
1302 int i, buflen=0, len;
1305 for (i = 0; i < pe_def_file->num_exports; i++)
1307 len = strlen (pe_def_file->exports[i].internal_name);
1308 if (buflen < len + 2)
1312 buf = (char *) xmalloc (buflen);
1314 for (i = 0; i < pe_def_file->num_exports; i++)
1316 struct bfd_link_hash_entry *h;
1318 sprintf (buf, "_%s", pe_def_file->exports[i].internal_name);
1320 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1321 if (h == (struct bfd_link_hash_entry *) NULL)
1322 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1323 if (h->type == bfd_link_hash_new)
1325 h->type = bfd_link_hash_undefined;
1326 h->u.undef.abfd = NULL;
1327 bfd_link_add_undef (link_info.hash, h);
1332 /* def_file_print (stdout, pe_def_file); */
1333 if (pe_def_file->is_dll == 1)
1334 link_info.shared = 1;
1336 if (pe_def_file->base_address != (bfd_vma)(-1))
1339 pe_data (output_bfd)->pe_opthdr.ImageBase =
1340 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1341 init[IMAGEBASEOFF].inited = 1;
1342 if (image_base_statement)
1343 image_base_statement->exp =
1344 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1348 /* Not sure if these *should* be set */
1349 if (pe_def_file->version_major != -1)
1351 pe.MajorImageVersion = pe_def_file->version_major;
1352 pe.MinorImageVersion = pe_def_file->version_minor;
1355 if (pe_def_file->stack_reserve != -1
1356 && ! saw_option ("__size_of_stack_reserve__"))
1358 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1359 if (pe_def_file->stack_commit != -1)
1360 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1362 if (pe_def_file->heap_reserve != -1
1363 && ! saw_option ("__size_of_heap_reserve__"))
1365 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1366 if (pe_def_file->heap_commit != -1)
1367 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1377 gld_${EMULATION_NAME}_recognized_file (entry)
1378 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1381 #ifdef TARGET_IS_i386pe
1382 pe_dll_id_target ("pei-i386");
1384 #ifdef TARGET_IS_shpe
1385 pe_dll_id_target ("pei-shl");
1387 #ifdef TARGET_IS_mipspe
1388 pe_dll_id_target ("pei-mips");
1390 #ifdef TARGET_IS_armpe
1391 pe_dll_id_target ("pei-arm-little");
1393 if (bfd_get_format (entry->the_bfd) == bfd_object)
1395 char fbuf[LD_PATHMAX];
1398 if (REALPATH (entry->filename, fbuf) == NULL)
1399 strncpy (fbuf, entry->filename, LD_PATHMAX);
1401 ext = fbuf + strlen (fbuf) - 4;
1403 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1404 return pe_implied_import_dll (fbuf);
1411 gld_${EMULATION_NAME}_finish ()
1413 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1414 struct bfd_link_hash_entry * h;
1416 if (thumb_entry_symbol != NULL)
1418 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1419 FALSE, FALSE, TRUE);
1421 if (h != (struct bfd_link_hash_entry *) NULL
1422 && (h->type == bfd_link_hash_defined
1423 || h->type == bfd_link_hash_defweak)
1424 && h->u.def.section->output_section != NULL)
1426 static char buffer[32];
1429 /* Special procesing is required for a Thumb entry symbol. The
1430 bottom bit of its address must be set. */
1431 val = (h->u.def.value
1432 + bfd_get_section_vma (output_bfd,
1433 h->u.def.section->output_section)
1434 + h->u.def.section->output_offset);
1438 /* Now convert this value into a string and store it in entry_symbol
1439 where the lang_finish() function will pick it up. */
1443 sprintf_vma (buffer + 2, val);
1445 if (entry_symbol.name != NULL && entry_from_cmdline)
1446 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1447 thumb_entry_symbol, entry_symbol.name);
1448 entry_symbol.name = buffer;
1451 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1453 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1456 if (link_info.shared)
1458 pe_dll_fill_sections (output_bfd, &link_info);
1459 if (pe_implib_filename)
1460 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1462 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1463 /* ARM doesn't need relocs. */
1466 pe_exe_fill_sections (output_bfd, &link_info);
1470 if (pe_out_def_filename)
1471 pe_dll_generate_def_file (pe_out_def_filename);
1472 #endif /* DLL_SUPPORT */
1474 /* I don't know where .idata gets set as code, but it shouldn't be. */
1476 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1480 asec->flags &= ~SEC_CODE;
1481 asec->flags |= SEC_DATA;
1487 /* Find the last output section before given output statement.
1488 Used by place_orphan. */
1491 output_prev_sec_find (os)
1492 lang_output_section_statement_type *os;
1494 asection *s = (asection *) NULL;
1495 lang_statement_union_type *u;
1496 lang_output_section_statement_type *lookup;
1498 for (u = lang_output_section_statement.head;
1499 u != (lang_statement_union_type *) NULL;
1502 lookup = &u->output_section_statement;
1506 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1507 s = lookup->bfd_section;
1513 /* Place an orphan section.
1515 We use this to put sections in a reasonable place in the file, and
1516 to ensure that they are aligned as required.
1518 We handle grouped sections here as well. A section named .foo$nn
1519 goes into the output section .foo. All grouped sections are sorted
1522 Grouped sections for the default sections are handled by the
1523 default linker script using wildcards, and are sorted by
1528 lang_output_section_statement_type *os;
1530 lang_statement_union_type **stmt;
1534 gld_${EMULATION_NAME}_place_orphan (file, s)
1535 lang_input_statement_type *file;
1538 const char *secname;
1539 char *hold_section_name;
1540 char *dollar = NULL;
1541 const char *ps = NULL;
1542 lang_output_section_statement_type *os;
1543 lang_statement_list_type add_child;
1545 secname = bfd_get_section_name (s->owner, s);
1547 /* Look through the script to see where to place this section. */
1548 hold_section_name = xstrdup (secname);
1549 if (!link_info.relocateable)
1551 dollar = strchr (hold_section_name, '$');
1556 os = lang_output_section_find (hold_section_name);
1558 lang_list_init (&add_child);
1561 && (os->bfd_section == NULL
1562 || ((s->flags ^ os->bfd_section->flags)
1563 & (SEC_LOAD | SEC_ALLOC)) == 0))
1565 /* We already have an output section statement with this
1566 name, and its bfd section, if any, has compatible flags. */
1567 lang_add_section (&add_child, s, os, file);
1571 struct orphan_save *place;
1572 static struct orphan_save hold_text;
1573 static struct orphan_save hold_rdata;
1574 static struct orphan_save hold_data;
1575 static struct orphan_save hold_bss;
1577 lang_statement_list_type *old;
1578 lang_statement_list_type add;
1579 etree_type *address;
1581 /* Try to put the new output section in a reasonable place based
1582 on the section name and section flags. */
1583 #define HAVE_SECTION(hold, name) \
1584 (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1587 if ((s->flags & SEC_ALLOC) == 0)
1589 else if ((s->flags & SEC_HAS_CONTENTS) == 0
1590 && HAVE_SECTION (hold_bss, ".bss"))
1592 else if ((s->flags & SEC_READONLY) == 0
1593 && HAVE_SECTION (hold_data, ".data"))
1595 else if ((s->flags & SEC_CODE) == 0
1596 && (s->flags & SEC_READONLY) != 0
1597 && HAVE_SECTION (hold_rdata, ".rdata"))
1598 place = &hold_rdata;
1599 else if ((s->flags & SEC_READONLY) != 0
1600 && HAVE_SECTION (hold_text, ".text"))
1605 /* Choose a unique name for the section. This will be needed if
1606 the same section name appears in the input file with
1607 different loadable or allocatable characteristics. */
1608 outsecname = xstrdup (hold_section_name);
1609 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1615 len = strlen (outsecname);
1616 newname = xmalloc (len + 5);
1617 strcpy (newname, outsecname);
1621 sprintf (newname + len, "%d", i);
1624 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1627 outsecname = newname;
1630 /* Start building a list of statements for this section. */
1633 lang_list_init (stat_ptr);
1635 if (config.build_constructors)
1637 /* If the name of the section is representable in C, then create
1638 symbols to mark the start and the end of the section. */
1639 for (ps = outsecname; *ps != '\0'; ps++)
1640 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1645 etree_type *e_align;
1647 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1648 sprintf (symname, "___start_%s", outsecname);
1649 e_align = exp_unop (ALIGN_K,
1650 exp_intop ((bfd_vma) 1 << s->alignment_power));
1651 lang_add_assignment (exp_assop ('=', symname, e_align));
1655 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1656 address = exp_intop ((bfd_vma) 0);
1659 /* All sections in an executable must be aligned to a page
1661 address = exp_unop (ALIGN_K,
1662 exp_nameop (NAME, "__section_alignment__"));
1665 os = lang_enter_output_section_statement (outsecname, address, 0,
1667 (etree_type *) NULL,
1668 (etree_type *) NULL,
1669 (etree_type *) NULL);
1671 lang_add_section (&add_child, s, os, file);
1673 lang_leave_output_section_statement
1674 ((bfd_vma) 0, "*default*",
1675 (struct lang_output_section_phdr_list *) NULL, NULL);
1677 if (config.build_constructors && *ps == '\0')
1681 /* lang_leave_ouput_section_statement resets stat_ptr.
1682 Put stat_ptr back where we want it. */
1686 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1687 sprintf (symname, "___stop_%s", outsecname);
1688 lang_add_assignment (exp_assop ('=', symname,
1689 exp_nameop (NAME, ".")));
1694 if (place != NULL && os->bfd_section != NULL)
1696 asection *snew, **pps;
1698 snew = os->bfd_section;
1700 /* Shuffle the bfd section list to make the output file look
1701 neater. This is really only cosmetic. */
1702 if (place->section == NULL)
1704 asection *bfd_section = place->os->bfd_section;
1706 /* If the output statement hasn't been used to place
1707 any input sections (and thus doesn't have an output
1708 bfd_section), look for the closest prior output statement
1709 having an output section. */
1710 if (bfd_section == NULL)
1711 bfd_section = output_prev_sec_find (place->os);
1713 if (bfd_section != NULL && bfd_section != snew)
1714 place->section = &bfd_section->next;
1717 if (place->section != NULL)
1719 /* Unlink the section. */
1720 for (pps = &output_bfd->sections;
1722 pps = &(*pps)->next)
1724 bfd_section_list_remove (output_bfd, pps);
1726 /* Now tack it on to the "place->os" section list. */
1727 bfd_section_list_insert (output_bfd, place->section, snew);
1730 /* Save the end of this list. Further ophans of this type will
1731 follow the one we've just added. */
1732 place->section = &snew->next;
1734 /* The following is non-cosmetic. We try to put the output
1735 statements in some sort of reasonable order here, because
1736 they determine the final load addresses of the orphan
1737 sections. In addition, placing output statements in the
1738 wrong order may require extra segments. For instance,
1739 given a typical situation of all read-only sections placed
1740 in one segment and following that a segment containing all
1741 the read-write sections, we wouldn't want to place an orphan
1742 read/write section before or amongst the read-only ones. */
1743 if (add.head != NULL)
1745 if (place->stmt == NULL)
1747 /* Put the new statement list right at the head. */
1748 *add.tail = place->os->header.next;
1749 place->os->header.next = add.head;
1753 /* Put it after the last orphan statement we added. */
1754 *add.tail = *place->stmt;
1755 *place->stmt = add.head;
1758 /* Fix the global list pointer if we happened to tack our
1759 new list at the tail. */
1760 if (*old->tail == add.head)
1761 old->tail = add.tail;
1763 /* Save the end of this list. */
1764 place->stmt = add.tail;
1770 lang_statement_union_type **pl = &os->children.head;
1774 bfd_boolean found_dollar;
1776 /* The section name has a '$'. Sort it with the other '$'
1778 found_dollar = FALSE;
1779 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1781 lang_input_section_type *ls;
1784 if ((*pl)->header.type != lang_input_section_enum)
1787 ls = &(*pl)->input_section;
1789 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1790 if (strchr (lname, '$') == NULL)
1797 found_dollar = TRUE;
1798 if (strcmp (secname, lname) < 0)
1804 if (add_child.head != NULL)
1806 add_child.head->header.next = *pl;
1807 *pl = add_child.head;
1811 free (hold_section_name);
1817 gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
1818 const char * arch ATTRIBUTE_UNUSED;
1819 search_dirs_type * search;
1820 lang_input_statement_type * entry;
1822 const char * filename;
1825 if (! entry->is_archive)
1828 filename = entry->filename;
1830 string = (char *) xmalloc (strlen (search->name)
1832 + sizeof "/lib.a.dll"
1834 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1838 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
1839 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
1841 if (! ldfile_try_open_bfd (string, entry))
1843 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
1844 sprintf (string, "%s/%s.dll.a", search->name, filename);
1845 if (! ldfile_try_open_bfd (string, entry))
1847 /* Try libfoo.a next. Normally, this would be interpreted as a static
1848 library, but it *could* be an import library. For backwards compatibility,
1849 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1850 or sometimes errors occur when building legacy packages.
1852 Putting libfoo.a here means that in a failure case (i.e. the library
1853 -lfoo is not found) we will search for libfoo.a twice before
1854 giving up -- once here, and once when searching for a "static" lib.
1855 for a "static" lib. */
1856 /* Try "libfoo.a" (import lib, or static lib, but must
1857 take precedence over dll's) */
1858 sprintf (string, "%s/lib%s.a", search->name, filename);
1859 if (! ldfile_try_open_bfd (string, entry))
1862 if (pe_dll_search_prefix)
1864 /* Try "<prefix>foo.dll" (preferred dll name, if specified) */
1865 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
1866 if (! ldfile_try_open_bfd (string, entry))
1868 /* Try "libfoo.dll" (default preferred dll name) */
1869 sprintf (string, "%s/lib%s.dll", search->name, filename);
1870 if (! ldfile_try_open_bfd (string, entry))
1872 /* Finally, try "foo.dll" (alternate dll name) */
1873 sprintf (string, "%s/%s.dll", search->name, filename);
1874 if (! ldfile_try_open_bfd (string, entry))
1882 else /* pe_dll_search_prefix not specified. */
1885 /* Try "libfoo.dll" (preferred dll name). */
1886 sprintf (string, "%s/lib%s.dll", search->name, filename);
1887 if (! ldfile_try_open_bfd (string, entry))
1889 /* Finally, try "foo.dll" (alternate dll name). */
1890 sprintf (string, "%s/%s.dll", search->name, filename);
1891 if (! ldfile_try_open_bfd (string, entry))
1902 entry->filename = string;
1908 gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
1910 lang_input_statement_type * entry;
1912 return ldfile_open_file_search (name, entry, "", ".lib");
1916 gld_${EMULATION_NAME}_get_script (isfile)
1919 # Scripts compiled in.
1920 # sed commands to quote an ld script as a C string.
1921 sc="-f stringify.sed"
1923 cat >>e${EMULATION_NAME}.c <<EOF
1927 if (link_info.relocateable && config.build_constructors)
1930 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1931 echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
1932 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1933 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1934 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1935 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1936 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1937 echo ' ; else return' >> e${EMULATION_NAME}.c
1938 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1939 echo '; }' >> e${EMULATION_NAME}.c
1941 cat >>e${EMULATION_NAME}.c <<EOF
1944 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1946 gld_${EMULATION_NAME}_before_parse,
1949 gld_${EMULATION_NAME}_after_parse,
1950 gld_${EMULATION_NAME}_after_open,
1951 after_allocation_default,
1952 set_output_arch_default,
1953 ldemul_default_target,
1954 gld_${EMULATION_NAME}_before_allocation,
1955 gld_${EMULATION_NAME}_get_script,
1956 "${EMULATION_NAME}",
1958 gld_${EMULATION_NAME}_finish, /* finish */
1959 NULL, /* create output section statements */
1960 gld_${EMULATION_NAME}_open_dynamic_archive,
1961 gld_${EMULATION_NAME}_place_orphan,
1962 gld_${EMULATION_NAME}_set_symbols,
1963 gld_${EMULATION_NAME}_parse_args,
1964 gld_${EMULATION_NAME}_unrecognized_file,
1965 gld_${EMULATION_NAME}_list_options,
1966 gld_${EMULATION_NAME}_recognized_file,
1967 gld_${EMULATION_NAME}_find_potential_libraries,
1968 NULL /* new_vers_pattern */