| blob | 4f12d7f5bf96a631637f4fbaf6246ed27aa25281 |
1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
4 OUTPUT_ARCH=${ARCH}
5 else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7 fi
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${EMULATION_NAME}.c <<EOF
11 /* This file is part of GLD, the Gnu Linker.
12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
13 Free Software Foundation, Inc.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 /* For WINDOWS_NT */
30 /* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
34 the correct entry point by default. */
36 #define TARGET_IS_${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
46 #endif
48 #include "bfd.h"
49 #include "sysdep.h"
50 #include "bfdlink.h"
51 #include "getopt.h"
52 #include "libiberty.h"
53 #include "ld.h"
54 #include "ldmain.h"
55 #include "ldexp.h"
56 #include "ldlang.h"
57 #include "ldfile.h"
58 #include "ldemul.h"
59 #include <ldgram.h>
60 #include "ldlex.h"
61 #include "ldmisc.h"
62 #include "ldctor.h"
63 #include "coff/internal.h"
65 /* FIXME: This is a BFD internal header file, and we should not be
66 using it here. */
67 #include "../bfd/libcoff.h"
69 #include "deffile.h"
70 #include "pe-dll.h"
71 #include "safe-ctype.h"
73 /* Permit the emulation parameters to override the default section
74 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
75 it seem that include/coff/internal.h should not define
76 PE_DEF_SECTION_ALIGNMENT. */
77 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
78 #undef PE_DEF_SECTION_ALIGNMENT
79 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
80 #endif
82 #if defined(TARGET_IS_i386pe)
83 #define DLL_SUPPORT
84 #endif
85 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
86 #define DLL_SUPPORT
87 #endif
89 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
90 #define PE_DEF_SUBSYSTEM 3
91 #else
92 #undef NT_EXE_IMAGE_BASE
93 #undef PE_DEF_SECTION_ALIGNMENT
94 #undef PE_DEF_FILE_ALIGNMENT
95 #define NT_EXE_IMAGE_BASE 0x00010000
96 #ifdef TARGET_IS_armpe
97 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
98 #define PE_DEF_SUBSYSTEM 9
99 #else
100 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
101 #define PE_DEF_SUBSYSTEM 2
102 #endif
103 #define PE_DEF_FILE_ALIGNMENT 0x00000200
104 #endif
107 static struct internal_extra_pe_aouthdr pe;
108 static int dll;
109 static int support_old_code = 0;
110 static char * thumb_entry_symbol = NULL;
111 static lang_assignment_statement_type *image_base_statement = 0;
113 #ifdef DLL_SUPPORT
114 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
115 static char *pe_out_def_filename = NULL;
116 static char *pe_implib_filename = NULL;
117 static int pe_enable_auto_image_base = 0;
118 static char *pe_dll_search_prefix = NULL;
119 #endif
121 extern const char *output_filename;
123 static void
124 gld_${EMULATION_NAME}_before_parse (void)
125 {
126 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
127 output_filename = "${EXECUTABLE_NAME:-a.exe}";
128 #ifdef DLL_SUPPORT
129 config.dynamic_link = TRUE;
130 config.has_shared = 1;
131 link_info.pei386_auto_import = -1;
132 link_info.pei386_runtime_pseudo_reloc = FALSE;
134 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
135 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
136 lang_add_entry ("WinMainCRTStartup", FALSE);
137 #else
138 lang_add_entry ("_WinMainCRTStartup", FALSE);
139 #endif
140 #endif
141 #endif
142 }
143 \f
144 /* PE format extra command line options. */
146 /* Used for setting flags in the PE header. */
147 #define OPTION_BASE_FILE (300 + 1)
148 #define OPTION_DLL (OPTION_BASE_FILE + 1)
149 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
150 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
151 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
152 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
153 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
154 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
155 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
156 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
157 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
158 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
159 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
160 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
161 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
162 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
163 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
164 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
165 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
166 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
167 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
168 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
169 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
170 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
171 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
172 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
173 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
174 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
175 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
176 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
177 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
178 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
179 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
180 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
181 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
182 (OPTION_EXCLUDE_LIBS + 1)
183 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
184 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
186 static void
187 gld${EMULATION_NAME}_add_options
188 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
189 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
190 struct option **really_longopts ATTRIBUTE_UNUSED)
191 {
192 static const struct option xtra_long[] = {
193 /* PE options */
194 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
195 {"dll", no_argument, NULL, OPTION_DLL},
196 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
197 {"heap", required_argument, NULL, OPTION_HEAP},
198 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
199 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
200 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
201 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
202 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
203 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
204 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
205 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
206 {"stack", required_argument, NULL, OPTION_STACK},
207 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
208 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
209 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
210 #ifdef DLL_SUPPORT
211 /* getopt allows abbreviations, so we do this to stop it from treating -o
212 as an abbreviation for this option */
213 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
214 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
215 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
216 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
217 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
218 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
219 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
220 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
221 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
222 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
223 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
224 /* getopt() allows abbreviations, so we do this to stop it from
225 treating -c as an abbreviation for these --compat-implib. */
226 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
227 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
228 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
229 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
230 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
231 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
232 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
233 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
234 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
235 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
236 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
237 #endif
238 {NULL, no_argument, NULL, 0}
239 };
241 *longopts = (struct option *)
242 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
243 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
244 }
246 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
247 parameters which may be input from the command line. */
249 typedef struct
250 {
251 void *ptr;
252 int size;
253 int value;
254 char *symbol;
255 int inited;
256 } definfo;
258 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
260 static definfo init[] =
261 {
262 /* imagebase must be first */
263 #define IMAGEBASEOFF 0
264 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
265 #define DLLOFF 1
266 {&dll, sizeof(dll), 0, "__dll__", 0},
267 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
268 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
269 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
270 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
271 D(MajorImageVersion,"__major_image_version__", 1),
272 D(MinorImageVersion,"__minor_image_version__", 0),
273 #ifdef TARGET_IS_armpe
274 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
275 #else
276 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
277 #endif
278 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
279 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
280 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
281 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
282 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
283 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
284 D(LoaderFlags,"__loader_flags__", 0x0),
285 { NULL, 0, 0, NULL, 0 }
286 };
289 static void
290 gld_${EMULATION_NAME}_list_options (FILE *file)
291 {
292 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
293 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
294 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
295 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
296 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
297 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
298 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
299 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
300 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
301 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
302 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
303 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
304 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
305 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
306 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
307 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
308 #ifdef DLL_SUPPORT
309 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
310 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
311 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
312 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
313 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
314 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
315 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
316 fprintf (file, _(" --out-implib <file> Generate import library\n"));
317 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
318 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
319 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
320 create __imp_<SYMBOL> as well.\n"));
321 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
322 unless user specifies one\n"));
323 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
324 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
325 an importlib, use <string><basename>.dll\n\
326 in preference to lib<basename>.dll \n"));
327 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
328 __imp_sym for DATA references\n"));
329 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
330 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
331 adding pseudo-relocations resolved at\n\
332 runtime.\n"));
333 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
334 auto-imported DATA.\n"));
335 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
336 or linking to DLLs (esp. auto-import)\n"));
337 #endif
338 }
341 static void
342 set_pe_name (char *name, long val)
343 {
344 int i;
346 /* Find the name and set it. */
347 for (i = 0; init[i].ptr; i++)
348 {
349 if (strcmp (name, init[i].symbol) == 0)
350 {
351 init[i].value = val;
352 init[i].inited = 1;
353 return;
354 }
355 }
356 abort ();
357 }
360 static void
361 set_pe_subsystem (void)
362 {
363 const char *sver;
364 int len;
365 int i;
366 static const struct
367 {
368 const char *name;
369 const int value;
370 const char *entry;
371 }
372 v[] =
373 {
374 { "native", 1, "NtProcessStartup" },
375 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
376 { "windows", 2, "WinMainCRTStartup" },
377 #else
378 { "windows", 2, "WinMainCRTStartup" },
379 #endif
380 { "console", 3, "mainCRTStartup" },
381 #if 0
382 /* The Microsoft linker does not recognize this. */
383 { "os2", 5, "" },
384 #endif
385 { "posix", 7, "__PosixProcessStartup"},
386 { "wince", 9, "_WinMainCRTStartup" },
387 { 0, 0, 0 }
388 };
390 sver = strchr (optarg, ':');
391 if (sver == NULL)
392 len = strlen (optarg);
393 else
394 {
395 char *end;
397 len = sver - optarg;
398 set_pe_name ("__major_subsystem_version__",
399 strtoul (sver + 1, &end, 0));
400 if (*end == '.')
401 set_pe_name ("__minor_subsystem_version__",
402 strtoul (end + 1, &end, 0));
403 if (*end != '\0')
404 einfo (_("%P: warning: bad version number in -subsystem option\n"));
405 }
407 for (i = 0; v[i].name; i++)
408 {
409 if (strncmp (optarg, v[i].name, len) == 0
410 && v[i].name[len] == '\0')
411 {
412 const char *initial_symbol_char;
413 const char *entry;
415 set_pe_name ("__subsystem__", v[i].value);
417 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
418 if (*initial_symbol_char == '\0')
419 entry = v[i].entry;
420 else
421 {
422 char *alc_entry;
424 /* lang_add_entry expects its argument to be permanently
425 allocated, so we don't free this string. */
426 alc_entry = xmalloc (strlen (initial_symbol_char)
427 + strlen (v[i].entry)
428 + 1);
429 strcpy (alc_entry, initial_symbol_char);
430 strcat (alc_entry, v[i].entry);
431 entry = alc_entry;
432 }
434 lang_add_entry (entry, TRUE);
436 return;
437 }
438 }
440 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
441 }
444 static void
445 set_pe_value (char *name)
446 {
447 char *end;
449 set_pe_name (name, strtoul (optarg, &end, 0));
451 if (end == optarg)
452 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
454 optarg = end;
455 }
458 static void
459 set_pe_stack_heap (char *resname, char *comname)
460 {
461 set_pe_value (resname);
463 if (*optarg == ',')
464 {
465 optarg++;
466 set_pe_value (comname);
467 }
468 else if (*optarg)
469 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
470 }
473 static bfd_boolean
474 gld${EMULATION_NAME}_handle_option (int optc)
475 {
476 switch (optc)
477 {
478 default:
479 return FALSE;
481 case OPTION_BASE_FILE:
482 link_info.base_file = fopen (optarg, FOPEN_WB);
483 if (link_info.base_file == NULL)
484 {
485 /* xgettext:c-format */
486 fprintf (stderr, _("%s: Can't open base file %s\n"),
487 program_name, optarg);
488 xexit (1);
489 }
490 break;
492 /* PE options. */
493 case OPTION_HEAP:
494 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
495 break;
496 case OPTION_STACK:
497 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
498 break;
499 case OPTION_SUBSYSTEM:
500 set_pe_subsystem ();
501 break;
502 case OPTION_MAJOR_OS_VERSION:
503 set_pe_value ("__major_os_version__");
504 break;
505 case OPTION_MINOR_OS_VERSION:
506 set_pe_value ("__minor_os_version__");
507 break;
508 case OPTION_MAJOR_SUBSYSTEM_VERSION:
509 set_pe_value ("__major_subsystem_version__");
510 break;
511 case OPTION_MINOR_SUBSYSTEM_VERSION:
512 set_pe_value ("__minor_subsystem_version__");
513 break;
514 case OPTION_MAJOR_IMAGE_VERSION:
515 set_pe_value ("__major_image_version__");
516 break;
517 case OPTION_MINOR_IMAGE_VERSION:
518 set_pe_value ("__minor_image_version__");
519 break;
520 case OPTION_FILE_ALIGNMENT:
521 set_pe_value ("__file_alignment__");
522 break;
523 case OPTION_SECTION_ALIGNMENT:
524 set_pe_value ("__section_alignment__");
525 break;
526 case OPTION_DLL:
527 set_pe_name ("__dll__", 1);
528 break;
529 case OPTION_IMAGE_BASE:
530 set_pe_value ("__image_base__");
531 break;
532 case OPTION_SUPPORT_OLD_CODE:
533 support_old_code = 1;
534 break;
535 case OPTION_THUMB_ENTRY:
536 thumb_entry_symbol = optarg;
537 break;
538 #ifdef DLL_SUPPORT
539 case OPTION_OUT_DEF:
540 pe_out_def_filename = xstrdup (optarg);
541 break;
542 case OPTION_EXPORT_ALL:
543 pe_dll_export_everything = 1;
544 break;
545 case OPTION_EXCLUDE_SYMBOLS:
546 pe_dll_add_excludes (optarg, 0);
547 break;
548 case OPTION_EXCLUDE_LIBS:
549 pe_dll_add_excludes (optarg, 1);
550 break;
551 case OPTION_KILL_ATS:
552 pe_dll_kill_ats = 1;
553 break;
554 case OPTION_STDCALL_ALIASES:
555 pe_dll_stdcall_aliases = 1;
556 break;
557 case OPTION_ENABLE_STDCALL_FIXUP:
558 pe_enable_stdcall_fixup = 1;
559 break;
560 case OPTION_DISABLE_STDCALL_FIXUP:
561 pe_enable_stdcall_fixup = 0;
562 break;
563 case OPTION_IMPLIB_FILENAME:
564 pe_implib_filename = xstrdup (optarg);
565 break;
566 case OPTION_WARN_DUPLICATE_EXPORTS:
567 pe_dll_warn_dup_exports = 1;
568 break;
569 case OPTION_IMP_COMPAT:
570 pe_dll_compat_implib = 1;
571 break;
572 case OPTION_ENABLE_AUTO_IMAGE_BASE:
573 pe_enable_auto_image_base = 1;
574 break;
575 case OPTION_DISABLE_AUTO_IMAGE_BASE:
576 pe_enable_auto_image_base = 0;
577 break;
578 case OPTION_DLL_SEARCH_PREFIX:
579 pe_dll_search_prefix = xstrdup (optarg);
580 break;
581 case OPTION_NO_DEFAULT_EXCLUDES:
582 pe_dll_do_default_excludes = 0;
583 break;
584 case OPTION_DLL_ENABLE_AUTO_IMPORT:
585 link_info.pei386_auto_import = 1;
586 break;
587 case OPTION_DLL_DISABLE_AUTO_IMPORT:
588 link_info.pei386_auto_import = 0;
589 break;
590 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
591 link_info.pei386_runtime_pseudo_reloc = 1;
592 break;
593 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
594 link_info.pei386_runtime_pseudo_reloc = 0;
595 break;
596 case OPTION_ENABLE_EXTRA_PE_DEBUG:
597 pe_dll_extra_pe_debug = 1;
598 break;
599 #endif
600 }
601 return TRUE;
602 }
603 \f
605 #ifdef DLL_SUPPORT
606 static unsigned long
607 strhash (const char *str)
608 {
609 const unsigned char *s;
610 unsigned long hash;
611 unsigned int c;
612 unsigned int len;
614 hash = 0;
615 len = 0;
616 s = (const unsigned char *) str;
617 while ((c = *s++) != '\0')
618 {
619 hash += c + (c << 17);
620 hash ^= hash >> 2;
621 ++len;
622 }
623 hash += len + (len << 17);
624 hash ^= hash >> 2;
626 return hash;
627 }
629 /* Use the output file to create a image base for relocatable DLLs. */
631 static unsigned long
632 compute_dll_image_base (const char *ofile)
633 {
634 unsigned long hash = strhash (ofile);
635 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
636 }
637 #endif
639 /* Assign values to the special symbols before the linker script is
640 read. */
642 static void
643 gld_${EMULATION_NAME}_set_symbols (void)
644 {
645 /* Run through and invent symbols for all the
646 names and insert the defaults. */
647 int j;
648 lang_statement_list_type *save;
650 if (!init[IMAGEBASEOFF].inited)
651 {
652 if (link_info.relocatable)
653 init[IMAGEBASEOFF].value = 0;
654 else if (init[DLLOFF].value || link_info.shared)
655 #ifdef DLL_SUPPORT
656 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
657 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
658 #else
659 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
660 #endif
661 else
662 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
663 }
665 /* Don't do any symbol assignments if this is a relocatable link. */
666 if (link_info.relocatable)
667 return;
669 /* Glue the assignments into the abs section. */
670 save = stat_ptr;
672 stat_ptr = &(abs_output_section->children);
674 for (j = 0; init[j].ptr; j++)
675 {
676 long val = init[j].value;
677 lang_assignment_statement_type *rv;
678 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
679 exp_intop (val)));
680 if (init[j].size == sizeof (short))
681 *(short *) init[j].ptr = val;
682 else if (init[j].size == sizeof (int))
683 *(int *) init[j].ptr = val;
684 else if (init[j].size == sizeof (long))
685 *(long *) init[j].ptr = val;
686 /* This might be a long long or other special type. */
687 else if (init[j].size == sizeof (bfd_vma))
688 *(bfd_vma *) init[j].ptr = val;
689 else abort ();
690 if (j == IMAGEBASEOFF)
691 image_base_statement = rv;
692 }
693 /* Restore the pointer. */
694 stat_ptr = save;
696 if (pe.FileAlignment >
697 pe.SectionAlignment)
698 {
699 einfo (_("%P: warning, file alignment > section alignment.\n"));
700 }
701 }
703 /* This is called after the linker script and the command line options
704 have been read. */
706 static void
707 gld_${EMULATION_NAME}_after_parse (void)
708 {
709 /* The Windows libraries are designed for the linker to treat the
710 entry point as an undefined symbol. Otherwise, the .obj that
711 defines mainCRTStartup is brought in because it is the first
712 encountered in libc.lib and it has other symbols in it which will
713 be pulled in by the link process. To avoid this, we act as
714 though the user specified -u with the entry point symbol.
716 This function is called after the linker script and command line
717 options have been read, so at this point we know the right entry
718 point. This function is called before the input files are
719 opened, so registering the symbol as undefined will make a
720 difference. */
722 if (! link_info.relocatable && entry_symbol.name != NULL)
723 ldlang_add_undef (entry_symbol.name);
724 }
726 /* pe-dll.c directly accesses pe_data_import_dll,
727 so it must be defined outside of #ifdef DLL_SUPPORT.
728 Note - this variable is deliberately not initialised.
729 This allows it to be treated as a common varaible, and only
730 exist in one incarnation in a multiple target enabled linker. */
731 char * pe_data_import_dll;
733 #ifdef DLL_SUPPORT
734 static struct bfd_link_hash_entry *pe_undef_found_sym;
736 static bfd_boolean
737 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
738 {
739 int sl;
740 char *string = inf;
742 sl = strlen (string);
743 if (h->type == bfd_link_hash_defined
744 && strncmp (h->root.string, string, sl) == 0
745 && h->root.string[sl] == '@')
746 {
747 pe_undef_found_sym = h;
748 return FALSE;
749 }
750 return TRUE;
751 }
753 static void
754 pe_fixup_stdcalls (void)
755 {
756 static int gave_warning_message = 0;
757 struct bfd_link_hash_entry *undef, *sym;
759 if (pe_dll_extra_pe_debug)
760 printf ("%s\n", __FUNCTION__);
762 for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
763 if (undef->type == bfd_link_hash_undefined)
764 {
765 char* at = strchr (undef->root.string, '@');
766 int lead_at = (*undef->root.string == '@');
767 /* For now, don't try to fixup fastcall symbols. */
769 if (at && !lead_at)
770 {
771 /* The symbol is a stdcall symbol, so let's look for a
772 cdecl symbol with the same name and resolve to that. */
773 char *cname = xstrdup (undef->root.string /* + lead_at */);
774 at = strchr (cname, '@');
775 *at = 0;
776 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
778 if (sym && sym->type == bfd_link_hash_defined)
779 {
780 undef->type = bfd_link_hash_defined;
781 undef->u.def.value = sym->u.def.value;
782 undef->u.def.section = sym->u.def.section;
784 if (pe_enable_stdcall_fixup == -1)
785 {
786 einfo (_("Warning: resolving %s by linking to %s\n"),
787 undef->root.string, cname);
788 if (! gave_warning_message)
789 {
790 gave_warning_message = 1;
791 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
792 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
793 }
794 }
795 }
796 }
797 else
798 {
799 /* The symbol is a cdecl symbol, so we look for stdcall
800 symbols - which means scanning the whole symbol table. */
801 pe_undef_found_sym = 0;
802 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
803 (char *) undef->root.string);
804 sym = pe_undef_found_sym;
805 if (sym)
806 {
807 undef->type = bfd_link_hash_defined;
808 undef->u.def.value = sym->u.def.value;
809 undef->u.def.section = sym->u.def.section;
811 if (pe_enable_stdcall_fixup == -1)
812 {
813 einfo (_("Warning: resolving %s by linking to %s\n"),
814 undef->root.string, sym->root.string);
815 if (! gave_warning_message)
816 {
817 gave_warning_message = 1;
818 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
819 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
820 }
821 }
822 }
823 }
824 }
825 }
827 static int
828 make_import_fixup (arelent *rel, asection *s)
829 {
830 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
831 int addend = 0;
833 if (pe_dll_extra_pe_debug)
834 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
835 (long) rel->address, (long) rel->addend);
837 if (! bfd_get_section_contents (s->owner, s, &addend, rel->address, sizeof (addend)))
838 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
839 s->owner, s, rel->address);
841 pe_create_import_fixup (rel, s, addend);
843 return 1;
844 }
846 static void
847 pe_find_data_imports (void)
848 {
849 struct bfd_link_hash_entry *undef, *sym;
851 if (link_info.pei386_auto_import == 0)
852 return;
854 for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
855 {
856 if (undef->type == bfd_link_hash_undefined)
857 {
858 /* C++ symbols are *long*. */
859 char buf[4096];
861 if (pe_dll_extra_pe_debug)
862 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
864 sprintf (buf, "__imp_%s", undef->root.string);
866 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
868 if (sym && sym->type == bfd_link_hash_defined)
869 {
870 bfd *b = sym->u.def.section->owner;
871 asymbol **symbols;
872 int nsyms, symsize, i;
874 if (link_info.pei386_auto_import == -1)
875 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
876 undef->root.string, buf);
878 symsize = bfd_get_symtab_upper_bound (b);
879 symbols = (asymbol **) xmalloc (symsize);
880 nsyms = bfd_canonicalize_symtab (b, symbols);
882 for (i = 0; i < nsyms; i++)
883 {
884 if (memcmp (symbols[i]->name, "__head_",
885 sizeof ("__head_") - 1))
886 continue;
888 if (pe_dll_extra_pe_debug)
889 printf ("->%s\n", symbols[i]->name);
891 pe_data_import_dll = (char*) (symbols[i]->name +
892 sizeof ("__head_") - 1);
893 break;
894 }
896 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
897 make_import_fixup);
899 /* Let's differentiate it somehow from defined. */
900 undef->type = bfd_link_hash_defweak;
901 /* We replace original name with __imp_ prefixed, this
902 1) may trash memory 2) leads to duplicate symbol generation.
903 Still, IMHO it's better than having name poluted. */
904 undef->root.string = sym->root.string;
905 undef->u.def.value = sym->u.def.value;
906 undef->u.def.section = sym->u.def.section;
907 }
908 }
909 }
910 }
912 static bfd_boolean
913 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
914 {
915 if (pe_dll_extra_pe_debug)
916 printf ("+%s\n", h->string);
918 return TRUE;
919 }
920 #endif /* DLL_SUPPORT */
923 static void
924 gld_${EMULATION_NAME}_after_open (void)
925 {
926 #ifdef DLL_SUPPORT
927 if (pe_dll_extra_pe_debug)
928 {
929 bfd *a;
930 struct bfd_link_hash_entry *sym;
932 printf ("%s()\n", __FUNCTION__);
934 for (sym = link_info.hash->undefs; sym; sym=sym->und_next)
935 printf ("-%s\n", sym->root.string);
936 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
938 for (a = link_info.input_bfds; a; a = a->link_next)
939 printf ("*%s\n",a->filename);
940 }
941 #endif
943 /* Pass the wacky PE command line options into the output bfd.
944 FIXME: This should be done via a function, rather than by
945 including an internal BFD header. */
947 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
948 einfo (_("%F%P: PE operations on non PE file.\n"));
950 pe_data (output_bfd)->pe_opthdr = pe;
951 pe_data (output_bfd)->dll = init[DLLOFF].value;
953 #ifdef DLL_SUPPORT
954 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
955 pe_fixup_stdcalls ();
957 pe_process_import_defs (output_bfd, & link_info);
959 pe_find_data_imports ();
961 #if ! (defined (TARGET_IS_i386pe) || defined (TARGET_IS_armpe))
962 if (link_info.shared)
963 #else
964 if (!link_info.relocatable)
965 #endif
966 pe_dll_build_sections (output_bfd, &link_info);
968 #ifndef TARGET_IS_i386pe
969 #ifndef TARGET_IS_armpe
970 else
971 pe_exe_build_sections (output_bfd, &link_info);
972 #endif
973 #endif
974 #endif
976 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
977 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
978 {
979 /* The arm backend needs special fields in the output hash structure.
980 These will only be created if the output format is an arm format,
981 hence we do not support linking and changing output formats at the
982 same time. Use a link followed by objcopy to change output formats. */
983 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
984 return;
985 }
986 {
987 /* Find a BFD that can hold the interworking stubs. */
988 LANG_FOR_EACH_INPUT_STATEMENT (is)
989 {
990 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
991 break;
992 }
993 }
994 #endif
996 {
997 /* This next chunk of code tries to detect the case where you have
998 two import libraries for the same DLL (specifically,
999 symbolically linking libm.a and libc.a in cygwin to
1000 libcygwin.a). In those cases, it's possible for function
1001 thunks from the second implib to be used but without the
1002 head/tail objects, causing an improper import table. We detect
1003 those cases and rename the "other" import libraries to match
1004 the one the head/tail come from, so that the linker will sort
1005 things nicely and produce a valid import table. */
1007 LANG_FOR_EACH_INPUT_STATEMENT (is)
1008 {
1009 if (is->the_bfd->my_archive)
1010 {
1011 int idata2 = 0, reloc_count=0, is_imp = 0;
1012 asection *sec;
1014 /* See if this is an import library thunk. */
1015 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1016 {
1017 if (strcmp (sec->name, ".idata\$2") == 0)
1018 idata2 = 1;
1019 if (strncmp (sec->name, ".idata\$", 7) == 0)
1020 is_imp = 1;
1021 reloc_count += sec->reloc_count;
1022 }
1024 if (is_imp && !idata2 && reloc_count)
1025 {
1026 /* It is, look for the reference to head and see if it's
1027 from our own library. */
1028 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1029 {
1030 int i;
1031 long symsize;
1032 long relsize;
1033 asymbol **symbols;
1034 arelent **relocs;
1035 int nrelocs;
1037 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1038 if (symsize < 1)
1039 break;
1040 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1041 if (relsize < 1)
1042 break;
1044 symbols = (asymbol **) xmalloc (symsize);
1045 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1046 if (symsize < 0)
1047 {
1048 einfo ("%X%P: unable to process symbols: %E");
1049 return;
1050 }
1052 relocs = (arelent **) xmalloc ((size_t) relsize);
1053 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1054 relocs, symbols);
1055 if (nrelocs < 0)
1056 {
1057 free (relocs);
1058 einfo ("%X%P: unable to process relocs: %E");
1059 return;
1060 }
1062 for (i = 0; i < nrelocs; i++)
1063 {
1064 struct bfd_symbol *s;
1065 struct bfd_link_hash_entry * blhe;
1066 bfd *other_bfd;
1067 char *n;
1069 s = (relocs[i]->sym_ptr_ptr)[0];
1071 if (s->flags & BSF_LOCAL)
1072 continue;
1074 /* Thunk section with reloc to another bfd. */
1075 blhe = bfd_link_hash_lookup (link_info.hash,
1076 s->name,
1077 FALSE, FALSE, TRUE);
1079 if (blhe == NULL
1080 || blhe->type != bfd_link_hash_defined)
1081 continue;
1083 other_bfd = blhe->u.def.section->owner;
1085 if (strcmp (is->the_bfd->my_archive->filename,
1086 other_bfd->my_archive->filename) == 0)
1087 continue;
1089 /* Rename this implib to match the other. */
1090 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
1092 strcpy (n, other_bfd->my_archive->filename);
1094 is->the_bfd->my_archive->filename = n;
1095 }
1097 free (relocs);
1098 /* Note - we do not free the symbols,
1099 they are now cached in the BFD. */
1100 }
1101 }
1102 }
1103 }
1104 }
1106 {
1107 int is_ms_arch = 0;
1108 bfd *cur_arch = 0;
1109 lang_input_statement_type *is2;
1110 lang_input_statement_type *is3;
1112 /* Careful - this is a shell script. Watch those dollar signs! */
1113 /* Microsoft import libraries have every member named the same,
1114 and not in the right order for us to link them correctly. We
1115 must detect these and rename the members so that they'll link
1116 correctly. There are three types of objects: the head, the
1117 thunks, and the sentinel(s). The head is easy; it's the one
1118 with idata2. We assume that the sentinels won't have relocs,
1119 and the thunks will. It's easier than checking the symbol
1120 table for external references. */
1121 LANG_FOR_EACH_INPUT_STATEMENT (is)
1122 {
1123 if (is->the_bfd->my_archive)
1124 {
1125 char *pnt;
1126 bfd *arch = is->the_bfd->my_archive;
1128 if (cur_arch != arch)
1129 {
1130 cur_arch = arch;
1131 is_ms_arch = 1;
1133 for (is3 = is;
1134 is3 && is3->the_bfd->my_archive == arch;
1135 is3 = (lang_input_statement_type *) is3->next)
1136 {
1137 /* A MS dynamic import library can also contain static
1138 members, so look for the first element with a .dll
1139 extension, and use that for the remainder of the
1140 comparisons. */
1141 pnt = strrchr (is3->the_bfd->filename, '.');
1142 if (pnt != NULL && strcmp (pnt, ".dll") != 0)
1143 continue;
1144 }
1146 if (is3 == NULL)
1147 is_ms_arch = 0;
1148 else
1149 {
1150 /* OK, found one. Now look to see if the remaining
1151 (dynamic import) members use the same name. */
1152 for (is2 = is;
1153 is2 && is2->the_bfd->my_archive == arch;
1154 is2 = (lang_input_statement_type *) is2->next)
1155 {
1156 /* Skip static members, ie anything with a .obj
1157 extension. */
1158 pnt = strrchr (is2->the_bfd->filename, '.');
1159 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1160 continue;
1162 if (strcmp (is3->the_bfd->filename,
1163 is2->the_bfd->filename))
1164 {
1165 is_ms_arch = 0;
1166 break;
1167 }
1168 }
1169 }
1170 }
1172 /* This fragment might have come from an .obj file in a Microsoft
1173 import, and not an actual import record. If this is the case,
1174 then leave the filename alone. */
1175 pnt = strrchr (is->the_bfd->filename, '.');
1177 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1178 {
1179 int idata2 = 0, reloc_count=0;
1180 asection *sec;
1181 char *new_name, seq;
1183 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1184 {
1185 if (strcmp (sec->name, ".idata\$2") == 0)
1186 idata2 = 1;
1187 reloc_count += sec->reloc_count;
1188 }
1190 if (idata2) /* .idata2 is the TOC */
1191 seq = 'a';
1192 else if (reloc_count > 0) /* thunks */
1193 seq = 'b';
1194 else /* sentinel */
1195 seq = 'c';
1197 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1198 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1199 is->the_bfd->filename = new_name;
1201 new_name = xmalloc (strlen (is->filename) + 3);
1202 sprintf (new_name, "%s.%c", is->filename, seq);
1203 is->filename = new_name;
1204 }
1205 }
1206 }
1207 }
1208 }
1209 \f
1210 static void
1211 gld_${EMULATION_NAME}_before_allocation (void)
1212 {
1213 #ifdef TARGET_IS_ppcpe
1214 /* Here we rummage through the found bfds to collect toc information. */
1215 {
1216 LANG_FOR_EACH_INPUT_STATEMENT (is)
1217 {
1218 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1219 {
1220 /* xgettext:c-format */
1221 einfo (_("Errors encountered processing file %s\n"), is->filename);
1222 }
1223 }
1224 }
1226 /* We have seen it all. Allocate it, and carry on. */
1227 ppc_allocate_toc_section (&link_info);
1228 #endif /* TARGET_IS_ppcpe */
1230 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1231 /* FIXME: we should be able to set the size of the interworking stub
1232 section.
1234 Here we rummage through the found bfds to collect glue
1235 information. FIXME: should this be based on a command line
1236 option? krk@cygnus.com. */
1237 {
1238 LANG_FOR_EACH_INPUT_STATEMENT (is)
1239 {
1240 if (! bfd_arm_pe_process_before_allocation
1241 (is->the_bfd, & link_info, support_old_code))
1242 {
1243 /* xgettext:c-format */
1244 einfo (_("Errors encountered processing file %s for interworking"),
1245 is->filename);
1246 }
1247 }
1248 }
1250 /* We have seen it all. Allocate it, and carry on. */
1251 bfd_arm_pe_allocate_interworking_sections (& link_info);
1252 #endif /* TARGET_IS_armpe */
1253 }
1254 \f
1255 #ifdef DLL_SUPPORT
1256 /* This is called when an input file isn't recognized as a BFD. We
1257 check here for .DEF files and pull them in automatically. */
1259 static int
1260 saw_option (char *option)
1261 {
1262 int i;
1264 for (i = 0; init[i].ptr; i++)
1265 if (strcmp (init[i].symbol, option) == 0)
1266 return init[i].inited;
1267 return 0;
1268 }
1269 #endif /* DLL_SUPPORT */
1271 static bfd_boolean
1272 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1273 {
1274 #ifdef DLL_SUPPORT
1275 const char *ext = entry->filename + strlen (entry->filename) - 4;
1277 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1278 {
1279 if (pe_def_file == 0)
1280 pe_def_file = def_file_empty ();
1282 def_file_parse (entry->filename, pe_def_file);
1284 if (pe_def_file)
1285 {
1286 int i, buflen=0, len;
1287 char *buf;
1289 for (i = 0; i < pe_def_file->num_exports; i++)
1290 {
1291 len = strlen (pe_def_file->exports[i].internal_name);
1292 if (buflen < len + 2)
1293 buflen = len + 2;
1294 }
1296 buf = (char *) xmalloc (buflen);
1298 for (i = 0; i < pe_def_file->num_exports; i++)
1299 {
1300 struct bfd_link_hash_entry *h;
1302 sprintf (buf, "_%s", pe_def_file->exports[i].internal_name);
1304 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1305 if (h == (struct bfd_link_hash_entry *) NULL)
1306 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1307 if (h->type == bfd_link_hash_new)
1308 {
1309 h->type = bfd_link_hash_undefined;
1310 h->u.undef.abfd = NULL;
1311 bfd_link_add_undef (link_info.hash, h);
1312 }
1313 }
1314 free (buf);
1316 /* def_file_print (stdout, pe_def_file); */
1317 if (pe_def_file->is_dll == 1)
1318 link_info.shared = 1;
1320 if (pe_def_file->base_address != (bfd_vma)(-1))
1321 {
1322 pe.ImageBase =
1323 pe_data (output_bfd)->pe_opthdr.ImageBase =
1324 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1325 init[IMAGEBASEOFF].inited = 1;
1326 if (image_base_statement)
1327 image_base_statement->exp =
1328 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1329 }
1331 #if 0
1332 /* Not sure if these *should* be set. */
1333 if (pe_def_file->version_major != -1)
1334 {
1335 pe.MajorImageVersion = pe_def_file->version_major;
1336 pe.MinorImageVersion = pe_def_file->version_minor;
1337 }
1338 #endif
1339 if (pe_def_file->stack_reserve != -1
1340 && ! saw_option ("__size_of_stack_reserve__"))
1341 {
1342 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1343 if (pe_def_file->stack_commit != -1)
1344 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1345 }
1346 if (pe_def_file->heap_reserve != -1
1347 && ! saw_option ("__size_of_heap_reserve__"))
1348 {
1349 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1350 if (pe_def_file->heap_commit != -1)
1351 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1352 }
1353 return TRUE;
1354 }
1355 }
1356 #endif
1357 return FALSE;
1358 }
1360 static bfd_boolean
1361 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1362 {
1363 #ifdef DLL_SUPPORT
1364 #ifdef TARGET_IS_i386pe
1365 pe_dll_id_target ("pei-i386");
1366 #endif
1367 #ifdef TARGET_IS_shpe
1368 pe_dll_id_target ("pei-shl");
1369 #endif
1370 #ifdef TARGET_IS_mipspe
1371 pe_dll_id_target ("pei-mips");
1372 #endif
1373 #ifdef TARGET_IS_armpe
1374 pe_dll_id_target ("pei-arm-little");
1375 #endif
1376 if (bfd_get_format (entry->the_bfd) == bfd_object)
1377 {
1378 char fbuf[LD_PATHMAX + 1];
1379 const char *ext;
1381 if (REALPATH (entry->filename, fbuf) == NULL)
1382 strncpy (fbuf, entry->filename, sizeof (fbuf));
1384 ext = fbuf + strlen (fbuf) - 4;
1386 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1387 return pe_implied_import_dll (fbuf);
1388 }
1389 #endif
1390 return FALSE;
1391 }
1393 static void
1394 gld_${EMULATION_NAME}_finish (void)
1395 {
1396 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1397 struct bfd_link_hash_entry * h;
1399 if (thumb_entry_symbol != NULL)
1400 {
1401 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1402 FALSE, FALSE, TRUE);
1404 if (h != (struct bfd_link_hash_entry *) NULL
1405 && (h->type == bfd_link_hash_defined
1406 || h->type == bfd_link_hash_defweak)
1407 && h->u.def.section->output_section != NULL)
1408 {
1409 static char buffer[32];
1410 bfd_vma val;
1412 /* Special procesing is required for a Thumb entry symbol. The
1413 bottom bit of its address must be set. */
1414 val = (h->u.def.value
1415 + bfd_get_section_vma (output_bfd,
1416 h->u.def.section->output_section)
1417 + h->u.def.section->output_offset);
1419 val |= 1;
1421 /* Now convert this value into a string and store it in entry_symbol
1422 where the lang_finish() function will pick it up. */
1423 buffer[0] = '0';
1424 buffer[1] = 'x';
1426 sprintf_vma (buffer + 2, val);
1428 if (entry_symbol.name != NULL && entry_from_cmdline)
1429 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1430 thumb_entry_symbol, entry_symbol.name);
1431 entry_symbol.name = buffer;
1432 }
1433 else
1434 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1435 }
1436 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1438 #ifdef DLL_SUPPORT
1439 if (link_info.shared
1440 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1441 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1442 #endif
1443 )
1444 {
1445 pe_dll_fill_sections (output_bfd, &link_info);
1446 if (pe_implib_filename)
1447 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1448 }
1449 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1450 /* ARM doesn't need relocs. */
1451 else
1452 {
1453 pe_exe_fill_sections (output_bfd, &link_info);
1454 }
1455 #endif
1457 if (pe_out_def_filename)
1458 pe_dll_generate_def_file (pe_out_def_filename);
1459 #endif /* DLL_SUPPORT */
1461 /* I don't know where .idata gets set as code, but it shouldn't be. */
1462 {
1463 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1465 if (asec)
1466 {
1467 asec->flags &= ~SEC_CODE;
1468 asec->flags |= SEC_DATA;
1469 }
1470 }
1471 }
1473 \f
1474 /* Find the last output section before given output statement.
1475 Used by place_orphan. */
1477 static asection *
1478 output_prev_sec_find (lang_output_section_statement_type *os)
1479 {
1480 asection *s = (asection *) NULL;
1481 lang_statement_union_type *u;
1482 lang_output_section_statement_type *lookup;
1484 for (u = lang_output_section_statement.head;
1485 u != (lang_statement_union_type *) NULL;
1486 u = lookup->next)
1487 {
1488 lookup = &u->output_section_statement;
1489 if (lookup == os)
1490 return s;
1492 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1493 s = lookup->bfd_section;
1494 }
1496 return NULL;
1497 }
1499 /* Place an orphan section.
1501 We use this to put sections in a reasonable place in the file, and
1502 to ensure that they are aligned as required.
1504 We handle grouped sections here as well. A section named .foo$nn
1505 goes into the output section .foo. All grouped sections are sorted
1506 by name.
1508 Grouped sections for the default sections are handled by the
1509 default linker script using wildcards, and are sorted by
1510 sort_sections. */
1512 struct orphan_save
1513 {
1514 lang_output_section_statement_type *os;
1515 asection **section;
1516 lang_statement_union_type **stmt;
1517 };
1519 static bfd_boolean
1520 gld_${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s)
1521 {
1522 const char *secname;
1523 char *hold_section_name;
1524 char *dollar = NULL;
1525 const char *ps = NULL;
1526 lang_output_section_statement_type *os;
1527 lang_statement_list_type add_child;
1529 secname = bfd_get_section_name (s->owner, s);
1531 /* Look through the script to see where to place this section. */
1532 hold_section_name = xstrdup (secname);
1533 if (!link_info.relocatable)
1534 {
1535 dollar = strchr (hold_section_name, '$');
1536 if (dollar != NULL)
1537 *dollar = '\0';
1538 }
1540 os = lang_output_section_find (hold_section_name);
1542 lang_list_init (&add_child);
1544 if (os != NULL
1545 && (os->bfd_section == NULL
1546 || ((s->flags ^ os->bfd_section->flags)
1547 & (SEC_LOAD | SEC_ALLOC)) == 0))
1548 {
1549 /* We already have an output section statement with this
1550 name, and its bfd section, if any, has compatible flags. */
1551 lang_add_section (&add_child, s, os, file);
1552 }
1553 else
1554 {
1555 struct orphan_save *place;
1556 static struct orphan_save hold_text;
1557 static struct orphan_save hold_rdata;
1558 static struct orphan_save hold_data;
1559 static struct orphan_save hold_bss;
1560 char *outsecname;
1561 lang_statement_list_type *old;
1562 lang_statement_list_type add;
1563 etree_type *address;
1565 /* Try to put the new output section in a reasonable place based
1566 on the section name and section flags. */
1567 #define HAVE_SECTION(hold, name) \
1568 (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1570 place = NULL;
1571 if ((s->flags & SEC_ALLOC) == 0)
1572 ;
1573 else if ((s->flags & SEC_HAS_CONTENTS) == 0
1574 && HAVE_SECTION (hold_bss, ".bss"))
1575 place = &hold_bss;
1576 else if ((s->flags & SEC_READONLY) == 0
1577 && HAVE_SECTION (hold_data, ".data"))
1578 place = &hold_data;
1579 else if ((s->flags & SEC_CODE) == 0
1580 && (s->flags & SEC_READONLY) != 0
1581 && HAVE_SECTION (hold_rdata, ".rdata"))
1582 place = &hold_rdata;
1583 else if ((s->flags & SEC_READONLY) != 0
1584 && HAVE_SECTION (hold_text, ".text"))
1585 place = &hold_text;
1587 #undef HAVE_SECTION
1589 /* Choose a unique name for the section. This will be needed if
1590 the same section name appears in the input file with
1591 different loadable or allocatable characteristics. */
1592 outsecname = xstrdup (hold_section_name);
1593 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1594 {
1595 unsigned int len;
1596 char *newname;
1597 unsigned int i;
1599 len = strlen (outsecname);
1600 newname = xmalloc (len + 5);
1601 strcpy (newname, outsecname);
1602 i = 0;
1603 do
1604 {
1605 sprintf (newname + len, "%d", i);
1606 ++i;
1607 }
1608 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1610 free (outsecname);
1611 outsecname = newname;
1612 }
1614 /* Start building a list of statements for this section. */
1615 old = stat_ptr;
1616 stat_ptr = &add;
1617 lang_list_init (stat_ptr);
1619 if (config.build_constructors)
1620 {
1621 /* If the name of the section is representable in C, then create
1622 symbols to mark the start and the end of the section. */
1623 for (ps = outsecname; *ps != '\0'; ps++)
1624 if (! ISALNUM ((unsigned char) *ps) && *ps != '_')
1625 break;
1626 if (*ps == '\0')
1627 {
1628 char *symname;
1629 etree_type *e_align;
1631 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1632 sprintf (symname, "___start_%s", outsecname);
1633 e_align = exp_unop (ALIGN_K,
1634 exp_intop ((bfd_vma) 1 << s->alignment_power));
1635 lang_add_assignment (exp_assop ('=', symname, e_align));
1636 }
1637 }
1639 if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1640 address = exp_intop ((bfd_vma) 0);
1641 else
1642 {
1643 /* All sections in an executable must be aligned to a page
1644 boundary. */
1645 address = exp_unop (ALIGN_K,
1646 exp_nameop (NAME, "__section_alignment__"));
1647 }
1649 os = lang_enter_output_section_statement (outsecname, address, 0,
1650 (etree_type *) NULL,
1651 (etree_type *) NULL,
1652 (etree_type *) NULL);
1654 lang_add_section (&add_child, s, os, file);
1656 lang_leave_output_section_statement
1657 ((bfd_vma) 0, "*default*",
1658 (struct lang_output_section_phdr_list *) NULL, NULL);
1660 if (config.build_constructors && *ps == '\0')
1661 {
1662 char *symname;
1664 /* lang_leave_ouput_section_statement resets stat_ptr.
1665 Put stat_ptr back where we want it. */
1666 if (place != NULL)
1667 stat_ptr = &add;
1669 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1670 sprintf (symname, "___stop_%s", outsecname);
1671 lang_add_assignment (exp_assop ('=', symname,
1672 exp_nameop (NAME, ".")));
1673 }
1675 stat_ptr = old;
1677 if (place != NULL && os->bfd_section != NULL)
1678 {
1679 asection *snew, **pps;
1681 snew = os->bfd_section;
1683 /* Shuffle the bfd section list to make the output file look
1684 neater. This is really only cosmetic. */
1685 if (place->section == NULL)
1686 {
1687 asection *bfd_section = place->os->bfd_section;
1689 /* If the output statement hasn't been used to place
1690 any input sections (and thus doesn't have an output
1691 bfd_section), look for the closest prior output statement
1692 having an output section. */
1693 if (bfd_section == NULL)
1694 bfd_section = output_prev_sec_find (place->os);
1696 if (bfd_section != NULL && bfd_section != snew)
1697 place->section = &bfd_section->next;
1698 }
1700 if (place->section != NULL)
1701 {
1702 /* Unlink the section. */
1703 for (pps = &output_bfd->sections;
1704 *pps != snew;
1705 pps = &(*pps)->next)
1706 ;
1707 bfd_section_list_remove (output_bfd, pps);
1709 /* Now tack it on to the "place->os" section list. */
1710 bfd_section_list_insert (output_bfd, place->section, snew);
1711 }
1713 /* Save the end of this list. Further ophans of this type will
1714 follow the one we've just added. */
1715 place->section = &snew->next;
1717 /* The following is non-cosmetic. We try to put the output
1718 statements in some sort of reasonable order here, because
1719 they determine the final load addresses of the orphan
1720 sections. In addition, placing output statements in the
1721 wrong order may require extra segments. For instance,
1722 given a typical situation of all read-only sections placed
1723 in one segment and following that a segment containing all
1724 the read-write sections, we wouldn't want to place an orphan
1725 read/write section before or amongst the read-only ones. */
1726 if (add.head != NULL)
1727 {
1728 if (place->stmt == NULL)
1729 {
1730 /* Put the new statement list right at the head. */
1731 *add.tail = place->os->header.next;
1732 place->os->header.next = add.head;
1733 }
1734 else
1735 {
1736 /* Put it after the last orphan statement we added. */
1737 *add.tail = *place->stmt;
1738 *place->stmt = add.head;
1739 }
1741 /* Fix the global list pointer if we happened to tack our
1742 new list at the tail. */
1743 if (*old->tail == add.head)
1744 old->tail = add.tail;
1746 /* Save the end of this list. */
1747 place->stmt = add.tail;
1748 }
1749 }
1750 }
1752 {
1753 lang_statement_union_type **pl = &os->children.head;
1755 if (dollar != NULL)
1756 {
1757 bfd_boolean found_dollar;
1759 /* The section name has a '$'. Sort it with the other '$'
1760 sections. */
1761 found_dollar = FALSE;
1762 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1763 {
1764 lang_input_section_type *ls;
1765 const char *lname;
1767 if ((*pl)->header.type != lang_input_section_enum)
1768 continue;
1770 ls = &(*pl)->input_section;
1772 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1773 if (strchr (lname, '$') == NULL)
1774 {
1775 if (found_dollar)
1776 break;
1777 }
1778 else
1779 {
1780 found_dollar = TRUE;
1781 if (strcmp (secname, lname) < 0)
1782 break;
1783 }
1784 }
1785 }
1787 if (add_child.head != NULL)
1788 {
1789 add_child.head->header.next = *pl;
1790 *pl = add_child.head;
1791 }
1792 }
1794 free (hold_section_name);
1796 return TRUE;
1797 }
1799 static bfd_boolean
1800 gld_${EMULATION_NAME}_open_dynamic_archive
1801 (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
1802 lang_input_statement_type *entry)
1803 {
1804 const char * filename;
1805 char * string;
1807 if (! entry->is_archive)
1808 return FALSE;
1810 filename = entry->filename;
1812 string = (char *) xmalloc (strlen (search->name)
1813 + strlen (filename)
1814 + sizeof "/lib.a.dll"
1815 #ifdef DLL_SUPPORT
1816 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1817 #endif
1818 + 1);
1820 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
1821 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
1823 if (! ldfile_try_open_bfd (string, entry))
1824 {
1825 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
1826 sprintf (string, "%s/%s.dll.a", search->name, filename);
1827 if (! ldfile_try_open_bfd (string, entry))
1828 {
1829 /* Try libfoo.a next. Normally, this would be interpreted as a static
1830 library, but it *could* be an import library. For backwards compatibility,
1831 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1832 or sometimes errors occur when building legacy packages.
1834 Putting libfoo.a here means that in a failure case (i.e. the library
1835 -lfoo is not found) we will search for libfoo.a twice before
1836 giving up -- once here, and once when searching for a "static" lib.
1837 for a "static" lib. */
1838 /* Try "libfoo.a" (import lib, or static lib, but must
1839 take precedence over dll's). */
1840 sprintf (string, "%s/lib%s.a", search->name, filename);
1841 if (! ldfile_try_open_bfd (string, entry))
1842 {
1843 #ifdef DLL_SUPPORT
1844 if (pe_dll_search_prefix)
1845 {
1846 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1847 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
1848 if (! ldfile_try_open_bfd (string, entry))
1849 {
1850 /* Try "libfoo.dll" (default preferred dll name). */
1851 sprintf (string, "%s/lib%s.dll", search->name, filename);
1852 if (! ldfile_try_open_bfd (string, entry))
1853 {
1854 /* Finally, try "foo.dll" (alternate dll name). */
1855 sprintf (string, "%s/%s.dll", search->name, filename);
1856 if (! ldfile_try_open_bfd (string, entry))
1857 {
1858 free (string);
1859 return FALSE;
1860 }
1861 }
1862 }
1863 }
1864 else /* pe_dll_search_prefix not specified. */
1865 #endif
1866 {
1867 /* Try "libfoo.dll" (preferred dll name). */
1868 sprintf (string, "%s/lib%s.dll", search->name, filename);
1869 if (! ldfile_try_open_bfd (string, entry))
1870 {
1871 /* Finally, try "foo.dll" (alternate dll name). */
1872 sprintf (string, "%s/%s.dll", search->name, filename);
1873 if (! ldfile_try_open_bfd (string, entry))
1874 {
1875 free (string);
1876 return FALSE;
1877 }
1878 }
1879 }
1880 }
1881 }
1882 }
1884 entry->filename = string;
1886 return TRUE;
1887 }
1889 static int
1890 gld_${EMULATION_NAME}_find_potential_libraries
1891 (char *name, lang_input_statement_type *entry)
1892 {
1893 return ldfile_open_file_search (name, entry, "", ".lib");
1894 }
1895 \f
1896 static char *
1897 gld_${EMULATION_NAME}_get_script (int *isfile)
1898 EOF
1899 # Scripts compiled in.
1900 # sed commands to quote an ld script as a C string.
1901 sc="-f stringify.sed"
1903 cat >>e${EMULATION_NAME}.c <<EOF
1904 {
1905 *isfile = 0;
1907 if (link_info.relocatable && config.build_constructors)
1908 return
1909 EOF
1910 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1911 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1912 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1913 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1914 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1915 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1916 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1917 echo ' ; else return' >> e${EMULATION_NAME}.c
1918 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1919 echo '; }' >> e${EMULATION_NAME}.c
1921 cat >>e${EMULATION_NAME}.c <<EOF
1924 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1925 {
1926 gld_${EMULATION_NAME}_before_parse,
1927 syslib_default,
1928 hll_default,
1929 gld_${EMULATION_NAME}_after_parse,
1930 gld_${EMULATION_NAME}_after_open,
1931 after_allocation_default,
1932 set_output_arch_default,
1933 ldemul_default_target,
1934 gld_${EMULATION_NAME}_before_allocation,
1935 gld_${EMULATION_NAME}_get_script,
1936 "${EMULATION_NAME}",
1937 "${OUTPUT_FORMAT}",
1938 gld_${EMULATION_NAME}_finish,
1939 NULL, /* Create output section statements. */
1940 gld_${EMULATION_NAME}_open_dynamic_archive,
1941 gld_${EMULATION_NAME}_place_orphan,
1942 gld_${EMULATION_NAME}_set_symbols,
1943 NULL, /* parse_args */
1944 gld${EMULATION_NAME}_add_options,
1945 gld${EMULATION_NAME}_handle_option,
1946 gld_${EMULATION_NAME}_unrecognized_file,
1947 gld_${EMULATION_NAME}_list_options,
1948 gld_${EMULATION_NAME}_recognized_file,
1949 gld_${EMULATION_NAME}_find_potential_libraries,
1950 NULL /* new_vers_pattern. */
1951 };
1952 EOF