| blob | ddee01125bbe4feaa28a48ba9545ba910eb54b33 |
1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
4 if [ -z "$MACHINE" ]; then
5 OUTPUT_ARCH=${ARCH}
6 else
7 OUTPUT_ARCH=${ARCH}:${MACHINE}
8 fi
9 rm -f e${EMULATION_NAME}.c
10 (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
11 fragment <<EOF
12 /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
13 2005, 2006, 2007 Free Software Foundation, Inc.
15 This file is part of the GNU Binutils.
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
19 the Free Software Foundation; either version 3 of the License, or
20 (at your option) any later version.
22 This program is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 GNU General Public License for more details.
27 You should have received a copy of the GNU General Public License
28 along with this program; if not, write to the Free Software
29 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30 MA 02110-1301, USA. */
33 /* For WINDOWS_NT */
34 /* The original file generated returned different default scripts depending
35 on whether certain switches were set, but these switches pertain to the
36 Linux system and that particular version of coff. In the NT case, we
37 only determine if the subsystem is console or windows in order to select
38 the correct entry point by default. */
40 #define TARGET_IS_${EMULATION_NAME}
42 /* Do this before including bfd.h, so we prototype the right functions. */
44 #if defined(TARGET_IS_armpe) \
45 || defined(TARGET_IS_arm_epoc_pe) \
46 || defined(TARGET_IS_arm_wince_pe)
47 #define bfd_arm_allocate_interworking_sections \
48 bfd_${EMULATION_NAME}_allocate_interworking_sections
49 #define bfd_arm_get_bfd_for_interworking \
50 bfd_${EMULATION_NAME}_get_bfd_for_interworking
51 #define bfd_arm_process_before_allocation \
52 bfd_${EMULATION_NAME}_process_before_allocation
53 #endif
55 #include "sysdep.h"
56 #include "bfd.h"
57 #include "bfdlink.h"
58 #include "getopt.h"
59 #include "libiberty.h"
60 #include "ld.h"
61 #include "ldmain.h"
62 #include "ldexp.h"
63 #include "ldlang.h"
64 #include "ldfile.h"
65 #include "ldemul.h"
66 #include <ldgram.h>
67 #include "ldlex.h"
68 #include "ldmisc.h"
69 #include "ldctor.h"
70 #include "coff/internal.h"
72 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
73 header in generic PE code. */
74 #include "coff/i386.h"
75 #include "coff/pe.h"
77 /* FIXME: This is a BFD internal header file, and we should not be
78 using it here. */
79 #include "../bfd/libcoff.h"
81 #include "deffile.h"
82 #include "pe-dll.h"
83 #include "safe-ctype.h"
85 /* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90 #undef PE_DEF_SECTION_ALIGNMENT
91 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
92 #endif
94 #if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
96 || defined(TARGET_IS_mipspe) \
97 || defined(TARGET_IS_armpe) \
98 || defined(TARGET_IS_arm_epoc_pe) \
99 || defined(TARGET_IS_arm_wince_pe)
100 #define DLL_SUPPORT
101 #endif
103 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
104 #define PE_DEF_SUBSYSTEM 3
105 #else
106 #undef NT_EXE_IMAGE_BASE
107 #undef PE_DEF_SECTION_ALIGNMENT
108 #undef PE_DEF_FILE_ALIGNMENT
109 #define NT_EXE_IMAGE_BASE 0x00010000
111 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
112 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
113 #define PE_DEF_SUBSYSTEM 9
114 #else
115 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
116 #define PE_DEF_SUBSYSTEM 2
117 #endif
118 #define PE_DEF_FILE_ALIGNMENT 0x00000200
119 #endif
121 #define U(S) ${INITIAL_SYMBOL_CHAR} S
123 static struct internal_extra_pe_aouthdr pe;
124 static int dll;
125 static flagword real_flags = 0;
126 static int support_old_code = 0;
127 static char * thumb_entry_symbol = NULL;
128 static lang_assignment_statement_type *image_base_statement = 0;
130 #ifdef DLL_SUPPORT
131 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
132 static char *pe_out_def_filename = NULL;
133 static char *pe_implib_filename = NULL;
134 static int pe_enable_auto_image_base = 0;
135 static char *pe_dll_search_prefix = NULL;
136 #endif
138 extern const char *output_filename;
140 static void
141 gld_${EMULATION_NAME}_before_parse (void)
142 {
143 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
144 output_filename = "${EXECUTABLE_NAME:-a.exe}";
145 #ifdef DLL_SUPPORT
146 config.dynamic_link = TRUE;
147 config.has_shared = 1;
148 link_info.pei386_auto_import = -1;
149 link_info.pei386_runtime_pseudo_reloc = -1;
151 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
152 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe
153 lang_default_entry ("WinMainCRTStartup");
154 #else
155 lang_default_entry ("_WinMainCRTStartup");
156 #endif
157 #else
158 lang_default_entry ("${ENTRY}");
159 #endif
160 #endif
161 }
162 \f
163 /* PE format extra command line options. */
165 /* Used for setting flags in the PE header. */
166 #define OPTION_BASE_FILE (300 + 1)
167 #define OPTION_DLL (OPTION_BASE_FILE + 1)
168 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
169 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
170 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
171 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
172 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
173 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
174 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
175 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
176 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
177 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
178 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
179 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
180 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
181 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
182 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
183 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
184 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
185 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
186 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
187 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
188 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
189 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
190 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
191 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
192 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
193 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
194 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
195 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
196 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
197 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
198 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
199 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
200 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
201 (OPTION_EXCLUDE_LIBS + 1)
202 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
203 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
204 #define OPTION_LARGE_ADDRESS_AWARE \
205 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
207 static void
208 gld${EMULATION_NAME}_add_options
209 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
210 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
211 struct option **really_longopts ATTRIBUTE_UNUSED)
212 {
213 static const struct option xtra_long[] = {
214 /* PE options */
215 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
216 {"dll", no_argument, NULL, OPTION_DLL},
217 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
218 {"heap", required_argument, NULL, OPTION_HEAP},
219 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
220 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
221 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
222 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
223 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
224 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
225 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
226 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
227 {"stack", required_argument, NULL, OPTION_STACK},
228 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
229 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
230 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
231 #ifdef DLL_SUPPORT
232 /* getopt allows abbreviations, so we do this to stop it from treating -o
233 as an abbreviation for this option */
234 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
235 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
236 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
237 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
238 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
239 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
240 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
241 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
242 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
243 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
244 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
245 /* getopt() allows abbreviations, so we do this to stop it from
246 treating -c as an abbreviation for these --compat-implib. */
247 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
248 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
249 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
250 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
251 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
252 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
253 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
254 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
255 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
256 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
257 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
258 #endif
259 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
260 {NULL, no_argument, NULL, 0}
261 };
263 *longopts = (struct option *)
264 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
265 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
266 }
268 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
269 parameters which may be input from the command line. */
271 typedef struct
272 {
273 void *ptr;
274 int size;
275 int value;
276 char *symbol;
277 int inited;
278 } definfo;
280 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
282 static definfo init[] =
283 {
284 /* imagebase must be first */
285 #define IMAGEBASEOFF 0
286 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
287 #define DLLOFF 1
288 {&dll, sizeof(dll), 0, "__dll__", 0},
289 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
290 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
291 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
292 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
293 D(MajorImageVersion,"__major_image_version__", 1),
294 D(MinorImageVersion,"__minor_image_version__", 0),
295 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
296 D(MajorSubsystemVersion,"__major_subsystem_version__", 3),
297 #else
298 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
299 #endif
300 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
301 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
302 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
303 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
304 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
305 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
306 D(LoaderFlags,"__loader_flags__", 0x0),
307 { NULL, 0, 0, NULL, 0 }
308 };
311 static void
312 gld_${EMULATION_NAME}_list_options (FILE *file)
313 {
314 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
315 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
316 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
317 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
318 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
319 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
320 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
321 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
322 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
323 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
324 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
325 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
326 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
327 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
328 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
329 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
330 #ifdef DLL_SUPPORT
331 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
332 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
333 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
334 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
335 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
336 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
337 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
338 fprintf (file, _(" --out-implib <file> Generate import library\n"));
339 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
340 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
341 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
342 create __imp_<SYMBOL> as well.\n"));
343 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
344 unless user specifies one\n"));
345 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
346 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
347 an importlib, use <string><basename>.dll\n\
348 in preference to lib<basename>.dll \n"));
349 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
350 __imp_sym for DATA references\n"));
351 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
352 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
353 adding pseudo-relocations resolved at\n\
354 runtime.\n"));
355 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
356 auto-imported DATA.\n"));
357 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
358 or linking to DLLs (esp. auto-import)\n"));
359 #endif
360 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
361 greater than 2 gigabytes\n"));
362 }
365 static void
366 set_pe_name (char *name, long val)
367 {
368 int i;
370 /* Find the name and set it. */
371 for (i = 0; init[i].ptr; i++)
372 {
373 if (strcmp (name, init[i].symbol) == 0)
374 {
375 init[i].value = val;
376 init[i].inited = 1;
377 return;
378 }
379 }
380 abort ();
381 }
384 static void
385 set_pe_subsystem (void)
386 {
387 const char *sver;
388 const char *entry;
389 const char *initial_symbol_char;
390 char *end;
391 int len;
392 int i;
393 int subsystem;
394 unsigned long temp_subsystem;
395 static const struct
396 {
397 const char *name;
398 const int value;
399 const char *entry;
400 }
401 v[] =
402 {
403 { "native", 1, "NtProcessStartup" },
404 { "windows", 2, "WinMainCRTStartup" },
405 { "console", 3, "mainCRTStartup" },
406 { "posix", 7, "__PosixProcessStartup"},
407 { "wince", 9, "WinMainCRTStartup" },
408 { "xbox", 14, "mainCRTStartup" },
409 { NULL, 0, NULL }
410 };
411 /* Entry point name for arbitrary subsystem numbers. */
412 static const char default_entry[] = "mainCRTStartup";
414 /* Check for the presence of a version number. */
415 sver = strchr (optarg, ':');
416 if (sver == NULL)
417 len = strlen (optarg);
418 else
419 {
420 len = sver - optarg;
421 set_pe_name ("__major_subsystem_version__",
422 strtoul (sver + 1, &end, 0));
423 if (*end == '.')
424 set_pe_name ("__minor_subsystem_version__",
425 strtoul (end + 1, &end, 0));
426 if (*end != '\0')
427 einfo (_("%P: warning: bad version number in -subsystem option\n"));
428 }
430 /* Check for numeric subsystem. */
431 temp_subsystem = strtoul (optarg, & end, 0);
432 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
433 {
434 /* Search list for a numeric match to use its entry point. */
435 for (i = 0; v[i].name; i++)
436 if (v[i].value == (int) temp_subsystem)
437 break;
439 /* If no match, use the default. */
440 if (v[i].name != NULL)
441 entry = v[i].entry;
442 else
443 entry = default_entry;
445 /* Use this subsystem. */
446 subsystem = (int) temp_subsystem;
447 }
448 else
449 {
450 /* Search for subsystem by name. */
451 for (i = 0; v[i].name; i++)
452 if (strncmp (optarg, v[i].name, len) == 0
453 && v[i].name[len] == '\0')
454 break;
456 if (v[i].name == NULL)
457 {
458 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
459 return;
460 }
462 entry = v[i].entry;
463 subsystem = v[i].value;
464 }
466 set_pe_name ("__subsystem__", subsystem);
468 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
469 if (*initial_symbol_char != '\0')
470 {
471 char *alc_entry;
473 /* lang_default_entry expects its argument to be permanently
474 allocated, so we don't free this string. */
475 alc_entry = xmalloc (strlen (initial_symbol_char)
476 + strlen (entry)
477 + 1);
478 strcpy (alc_entry, initial_symbol_char);
479 strcat (alc_entry, entry);
480 entry = alc_entry;
481 }
483 lang_default_entry (entry);
485 return;
486 }
489 static void
490 set_pe_value (char *name)
491 {
492 char *end;
494 set_pe_name (name, strtoul (optarg, &end, 0));
496 if (end == optarg)
497 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
499 optarg = end;
500 }
503 static void
504 set_pe_stack_heap (char *resname, char *comname)
505 {
506 set_pe_value (resname);
508 if (*optarg == ',')
509 {
510 optarg++;
511 set_pe_value (comname);
512 }
513 else if (*optarg)
514 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
515 }
518 static bfd_boolean
519 gld${EMULATION_NAME}_handle_option (int optc)
520 {
521 switch (optc)
522 {
523 default:
524 return FALSE;
526 case OPTION_BASE_FILE:
527 link_info.base_file = fopen (optarg, FOPEN_WB);
528 if (link_info.base_file == NULL)
529 {
530 /* xgettext:c-format */
531 fprintf (stderr, _("%s: Can't open base file %s\n"),
532 program_name, optarg);
533 xexit (1);
534 }
535 break;
537 /* PE options. */
538 case OPTION_HEAP:
539 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
540 break;
541 case OPTION_STACK:
542 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
543 break;
544 case OPTION_SUBSYSTEM:
545 set_pe_subsystem ();
546 break;
547 case OPTION_MAJOR_OS_VERSION:
548 set_pe_value ("__major_os_version__");
549 break;
550 case OPTION_MINOR_OS_VERSION:
551 set_pe_value ("__minor_os_version__");
552 break;
553 case OPTION_MAJOR_SUBSYSTEM_VERSION:
554 set_pe_value ("__major_subsystem_version__");
555 break;
556 case OPTION_MINOR_SUBSYSTEM_VERSION:
557 set_pe_value ("__minor_subsystem_version__");
558 break;
559 case OPTION_MAJOR_IMAGE_VERSION:
560 set_pe_value ("__major_image_version__");
561 break;
562 case OPTION_MINOR_IMAGE_VERSION:
563 set_pe_value ("__minor_image_version__");
564 break;
565 case OPTION_FILE_ALIGNMENT:
566 set_pe_value ("__file_alignment__");
567 break;
568 case OPTION_SECTION_ALIGNMENT:
569 set_pe_value ("__section_alignment__");
570 break;
571 case OPTION_DLL:
572 set_pe_name ("__dll__", 1);
573 break;
574 case OPTION_IMAGE_BASE:
575 set_pe_value ("__image_base__");
576 break;
577 case OPTION_SUPPORT_OLD_CODE:
578 support_old_code = 1;
579 break;
580 case OPTION_THUMB_ENTRY:
581 thumb_entry_symbol = optarg;
582 break;
583 #ifdef DLL_SUPPORT
584 case OPTION_OUT_DEF:
585 pe_out_def_filename = xstrdup (optarg);
586 break;
587 case OPTION_EXPORT_ALL:
588 pe_dll_export_everything = 1;
589 break;
590 case OPTION_EXCLUDE_SYMBOLS:
591 pe_dll_add_excludes (optarg, 0);
592 break;
593 case OPTION_EXCLUDE_LIBS:
594 pe_dll_add_excludes (optarg, 1);
595 break;
596 case OPTION_KILL_ATS:
597 pe_dll_kill_ats = 1;
598 break;
599 case OPTION_STDCALL_ALIASES:
600 pe_dll_stdcall_aliases = 1;
601 break;
602 case OPTION_ENABLE_STDCALL_FIXUP:
603 pe_enable_stdcall_fixup = 1;
604 break;
605 case OPTION_DISABLE_STDCALL_FIXUP:
606 pe_enable_stdcall_fixup = 0;
607 break;
608 case OPTION_IMPLIB_FILENAME:
609 pe_implib_filename = xstrdup (optarg);
610 break;
611 case OPTION_WARN_DUPLICATE_EXPORTS:
612 pe_dll_warn_dup_exports = 1;
613 break;
614 case OPTION_IMP_COMPAT:
615 pe_dll_compat_implib = 1;
616 break;
617 case OPTION_ENABLE_AUTO_IMAGE_BASE:
618 pe_enable_auto_image_base = 1;
619 break;
620 case OPTION_DISABLE_AUTO_IMAGE_BASE:
621 pe_enable_auto_image_base = 0;
622 break;
623 case OPTION_DLL_SEARCH_PREFIX:
624 pe_dll_search_prefix = xstrdup (optarg);
625 break;
626 case OPTION_NO_DEFAULT_EXCLUDES:
627 pe_dll_do_default_excludes = 0;
628 break;
629 case OPTION_DLL_ENABLE_AUTO_IMPORT:
630 link_info.pei386_auto_import = 1;
631 break;
632 case OPTION_DLL_DISABLE_AUTO_IMPORT:
633 link_info.pei386_auto_import = 0;
634 break;
635 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
636 link_info.pei386_runtime_pseudo_reloc = 1;
637 break;
638 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
639 link_info.pei386_runtime_pseudo_reloc = 0;
640 break;
641 case OPTION_ENABLE_EXTRA_PE_DEBUG:
642 pe_dll_extra_pe_debug = 1;
643 break;
644 #endif
645 case OPTION_LARGE_ADDRESS_AWARE:
646 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
647 break;
648 }
649 return TRUE;
650 }
651 \f
653 #ifdef DLL_SUPPORT
654 static unsigned long
655 strhash (const char *str)
656 {
657 const unsigned char *s;
658 unsigned long hash;
659 unsigned int c;
660 unsigned int len;
662 hash = 0;
663 len = 0;
664 s = (const unsigned char *) str;
665 while ((c = *s++) != '\0')
666 {
667 hash += c + (c << 17);
668 hash ^= hash >> 2;
669 ++len;
670 }
671 hash += len + (len << 17);
672 hash ^= hash >> 2;
674 return hash;
675 }
677 /* Use the output file to create a image base for relocatable DLLs. */
679 static unsigned long
680 compute_dll_image_base (const char *ofile)
681 {
682 unsigned long hash = strhash (ofile);
683 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
684 }
685 #endif
687 /* Assign values to the special symbols before the linker script is
688 read. */
690 static void
691 gld_${EMULATION_NAME}_set_symbols (void)
692 {
693 /* Run through and invent symbols for all the
694 names and insert the defaults. */
695 int j;
696 lang_statement_list_type *save;
698 if (!init[IMAGEBASEOFF].inited)
699 {
700 if (link_info.relocatable)
701 init[IMAGEBASEOFF].value = 0;
702 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
703 #ifdef DLL_SUPPORT
704 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
705 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
706 #else
707 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
708 #endif
709 else
710 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
711 }
713 /* Don't do any symbol assignments if this is a relocatable link. */
714 if (link_info.relocatable)
715 return;
717 /* Glue the assignments into the abs section. */
718 save = stat_ptr;
720 stat_ptr = &(abs_output_section->children);
722 for (j = 0; init[j].ptr; j++)
723 {
724 long val = init[j].value;
725 lang_assignment_statement_type *rv;
726 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
727 exp_intop (val)));
728 if (init[j].size == sizeof (short))
729 *(short *) init[j].ptr = val;
730 else if (init[j].size == sizeof (int))
731 *(int *) init[j].ptr = val;
732 else if (init[j].size == sizeof (long))
733 *(long *) init[j].ptr = val;
734 /* This might be a long long or other special type. */
735 else if (init[j].size == sizeof (bfd_vma))
736 *(bfd_vma *) init[j].ptr = val;
737 else abort ();
738 if (j == IMAGEBASEOFF)
739 image_base_statement = rv;
740 }
741 /* Restore the pointer. */
742 stat_ptr = save;
744 if (pe.FileAlignment >
745 pe.SectionAlignment)
746 {
747 einfo (_("%P: warning, file alignment > section alignment.\n"));
748 }
749 }
751 /* This is called after the linker script and the command line options
752 have been read. */
754 static void
755 gld_${EMULATION_NAME}_after_parse (void)
756 {
757 /* The Windows libraries are designed for the linker to treat the
758 entry point as an undefined symbol. Otherwise, the .obj that
759 defines mainCRTStartup is brought in because it is the first
760 encountered in libc.lib and it has other symbols in it which will
761 be pulled in by the link process. To avoid this, we act as
762 though the user specified -u with the entry point symbol.
764 This function is called after the linker script and command line
765 options have been read, so at this point we know the right entry
766 point. This function is called before the input files are
767 opened, so registering the symbol as undefined will make a
768 difference. */
770 if (! link_info.relocatable && entry_symbol.name != NULL)
771 ldlang_add_undef (entry_symbol.name);
772 }
774 /* pe-dll.c directly accesses pe_data_import_dll,
775 so it must be defined outside of #ifdef DLL_SUPPORT.
776 Note - this variable is deliberately not initialised.
777 This allows it to be treated as a common varaible, and only
778 exist in one incarnation in a multiple target enabled linker. */
779 char * pe_data_import_dll;
781 #ifdef DLL_SUPPORT
782 static struct bfd_link_hash_entry *pe_undef_found_sym;
784 static bfd_boolean
785 pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
786 {
787 int sl;
788 char *string = inf;
790 sl = strlen (string);
791 if (h->type == bfd_link_hash_defined
792 && strncmp (h->root.string, string, sl) == 0
793 && h->root.string[sl] == '@')
794 {
795 pe_undef_found_sym = h;
796 return FALSE;
797 }
798 return TRUE;
799 }
801 static void
802 pe_fixup_stdcalls (void)
803 {
804 static int gave_warning_message = 0;
805 struct bfd_link_hash_entry *undef, *sym;
807 if (pe_dll_extra_pe_debug)
808 printf ("%s\n", __FUNCTION__);
810 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
811 if (undef->type == bfd_link_hash_undefined)
812 {
813 char* at = strchr (undef->root.string, '@');
814 int lead_at = (*undef->root.string == '@');
815 /* For now, don't try to fixup fastcall symbols. */
817 if (at && !lead_at)
818 {
819 /* The symbol is a stdcall symbol, so let's look for a
820 cdecl symbol with the same name and resolve to that. */
821 char *cname = xstrdup (undef->root.string /* + lead_at */);
822 at = strchr (cname, '@');
823 *at = 0;
824 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
826 if (sym && sym->type == bfd_link_hash_defined)
827 {
828 undef->type = bfd_link_hash_defined;
829 undef->u.def.value = sym->u.def.value;
830 undef->u.def.section = sym->u.def.section;
832 if (pe_enable_stdcall_fixup == -1)
833 {
834 einfo (_("Warning: resolving %s by linking to %s\n"),
835 undef->root.string, cname);
836 if (! gave_warning_message)
837 {
838 gave_warning_message = 1;
839 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
840 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
841 }
842 }
843 }
844 }
845 else
846 {
847 /* The symbol is a cdecl symbol, so we look for stdcall
848 symbols - which means scanning the whole symbol table. */
849 pe_undef_found_sym = 0;
850 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
851 (char *) undef->root.string);
852 sym = pe_undef_found_sym;
853 if (sym)
854 {
855 undef->type = bfd_link_hash_defined;
856 undef->u.def.value = sym->u.def.value;
857 undef->u.def.section = sym->u.def.section;
859 if (pe_enable_stdcall_fixup == -1)
860 {
861 einfo (_("Warning: resolving %s by linking to %s\n"),
862 undef->root.string, sym->root.string);
863 if (! gave_warning_message)
864 {
865 gave_warning_message = 1;
866 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
867 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
868 }
869 }
870 }
871 }
872 }
873 }
875 static int
876 make_import_fixup (arelent *rel, asection *s)
877 {
878 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
879 char addend[4];
881 if (pe_dll_extra_pe_debug)
882 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
883 (long) rel->address, (long) rel->addend);
885 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
886 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
887 s->owner, s, rel->address);
889 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
891 return 1;
892 }
894 static void
895 pe_find_data_imports (void)
896 {
897 struct bfd_link_hash_entry *undef, *sym;
899 if (link_info.pei386_auto_import == 0)
900 return;
902 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
903 {
904 if (undef->type == bfd_link_hash_undefined)
905 {
906 /* C++ symbols are *long*. */
907 char buf[4096];
909 if (pe_dll_extra_pe_debug)
910 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
912 sprintf (buf, "__imp_%s", undef->root.string);
914 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
916 if (sym && sym->type == bfd_link_hash_defined)
917 {
918 bfd *b = sym->u.def.section->owner;
919 asymbol **symbols;
920 int nsyms, symsize, i;
922 if (link_info.pei386_auto_import == -1)
923 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
924 undef->root.string, buf);
926 symsize = bfd_get_symtab_upper_bound (b);
927 symbols = (asymbol **) xmalloc (symsize);
928 nsyms = bfd_canonicalize_symtab (b, symbols);
930 for (i = 0; i < nsyms; i++)
931 {
932 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
933 continue;
935 if (pe_dll_extra_pe_debug)
936 printf ("->%s\n", symbols[i]->name);
938 pe_data_import_dll = (char*) (symbols[i]->name +
939 sizeof (U ("_head_")) - 1);
940 break;
941 }
943 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
944 make_import_fixup);
946 /* Let's differentiate it somehow from defined. */
947 undef->type = bfd_link_hash_defweak;
948 /* We replace original name with __imp_ prefixed, this
949 1) may trash memory 2) leads to duplicate symbol generation.
950 Still, IMHO it's better than having name poluted. */
951 undef->root.string = sym->root.string;
952 undef->u.def.value = sym->u.def.value;
953 undef->u.def.section = sym->u.def.section;
954 }
955 }
956 }
957 }
959 static bfd_boolean
960 pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
961 {
962 if (pe_dll_extra_pe_debug)
963 printf ("+%s\n", h->string);
965 return TRUE;
966 }
967 #endif /* DLL_SUPPORT */
970 static void
971 gld_${EMULATION_NAME}_after_open (void)
972 {
973 #ifdef DLL_SUPPORT
974 if (pe_dll_extra_pe_debug)
975 {
976 bfd *a;
977 struct bfd_link_hash_entry *sym;
979 printf ("%s()\n", __FUNCTION__);
981 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
982 printf ("-%s\n", sym->root.string);
983 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
985 for (a = link_info.input_bfds; a; a = a->link_next)
986 printf ("*%s\n",a->filename);
987 }
988 #endif
990 /* Pass the wacky PE command line options into the output bfd.
991 FIXME: This should be done via a function, rather than by
992 including an internal BFD header. */
994 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
995 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), output_bfd);
997 pe_data (output_bfd)->pe_opthdr = pe;
998 pe_data (output_bfd)->dll = init[DLLOFF].value;
999 pe_data (output_bfd)->real_flags |= real_flags;
1001 #ifdef DLL_SUPPORT
1002 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1003 pe_fixup_stdcalls ();
1005 pe_process_import_defs (output_bfd, & link_info);
1007 pe_find_data_imports ();
1009 #if defined (TARGET_IS_i386pe) \
1010 || defined (TARGET_IS_armpe) \
1011 || defined (TARGET_IS_arm_epoc_pe) \
1012 || defined (TARGET_IS_arm_wince_pe)
1013 if (!link_info.relocatable)
1014 pe_dll_build_sections (output_bfd, &link_info);
1015 else
1016 pe_exe_build_sections (output_bfd, &link_info);
1017 #else
1018 if (link_info.shared)
1019 pe_dll_build_sections (output_bfd, &link_info);
1020 #endif
1021 #endif /* DLL_SUPPORT */
1023 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1024 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1025 {
1026 /* The arm backend needs special fields in the output hash structure.
1027 These will only be created if the output format is an arm format,
1028 hence we do not support linking and changing output formats at the
1029 same time. Use a link followed by objcopy to change output formats. */
1030 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1031 return;
1032 }
1033 {
1034 /* Find a BFD that can hold the interworking stubs. */
1035 LANG_FOR_EACH_INPUT_STATEMENT (is)
1036 {
1037 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
1038 break;
1039 }
1040 }
1041 #endif
1043 {
1044 /* This next chunk of code tries to detect the case where you have
1045 two import libraries for the same DLL (specifically,
1046 symbolically linking libm.a and libc.a in cygwin to
1047 libcygwin.a). In those cases, it's possible for function
1048 thunks from the second implib to be used but without the
1049 head/tail objects, causing an improper import table. We detect
1050 those cases and rename the "other" import libraries to match
1051 the one the head/tail come from, so that the linker will sort
1052 things nicely and produce a valid import table. */
1054 LANG_FOR_EACH_INPUT_STATEMENT (is)
1055 {
1056 if (is->the_bfd->my_archive)
1057 {
1058 int idata2 = 0, reloc_count=0, is_imp = 0;
1059 asection *sec;
1061 /* See if this is an import library thunk. */
1062 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1063 {
1064 if (strcmp (sec->name, ".idata\$2") == 0)
1065 idata2 = 1;
1066 if (CONST_STRNEQ (sec->name, ".idata\$"))
1067 is_imp = 1;
1068 reloc_count += sec->reloc_count;
1069 }
1071 if (is_imp && !idata2 && reloc_count)
1072 {
1073 /* It is, look for the reference to head and see if it's
1074 from our own library. */
1075 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1076 {
1077 int i;
1078 long symsize;
1079 long relsize;
1080 asymbol **symbols;
1081 arelent **relocs;
1082 int nrelocs;
1084 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1085 if (symsize < 1)
1086 break;
1087 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1088 if (relsize < 1)
1089 break;
1091 symbols = (asymbol **) xmalloc (symsize);
1092 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1093 if (symsize < 0)
1094 {
1095 einfo ("%X%P: unable to process symbols: %E");
1096 return;
1097 }
1099 relocs = (arelent **) xmalloc ((size_t) relsize);
1100 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1101 relocs, symbols);
1102 if (nrelocs < 0)
1103 {
1104 free (relocs);
1105 einfo ("%X%P: unable to process relocs: %E");
1106 return;
1107 }
1109 for (i = 0; i < nrelocs; i++)
1110 {
1111 struct bfd_symbol *s;
1112 struct bfd_link_hash_entry * blhe;
1113 char *other_bfd_filename;
1114 char *n;
1116 s = (relocs[i]->sym_ptr_ptr)[0];
1118 if (s->flags & BSF_LOCAL)
1119 continue;
1121 /* Thunk section with reloc to another bfd. */
1122 blhe = bfd_link_hash_lookup (link_info.hash,
1123 s->name,
1124 FALSE, FALSE, TRUE);
1126 if (blhe == NULL
1127 || blhe->type != bfd_link_hash_defined)
1128 continue;
1130 other_bfd_filename
1131 = blhe->u.def.section->owner->my_archive
1132 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1133 : bfd_get_filename (blhe->u.def.section->owner);
1135 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1136 other_bfd_filename) == 0)
1137 continue;
1139 /* Rename this implib to match the other one. */
1140 n = xmalloc (strlen (other_bfd_filename) + 1);
1141 strcpy (n, other_bfd_filename);
1142 is->the_bfd->my_archive->filename = n;
1143 }
1145 free (relocs);
1146 /* Note - we do not free the symbols,
1147 they are now cached in the BFD. */
1148 }
1149 }
1150 }
1151 }
1152 }
1154 {
1155 int is_ms_arch = 0;
1156 bfd *cur_arch = 0;
1157 lang_input_statement_type *is2;
1158 lang_input_statement_type *is3;
1160 /* Careful - this is a shell script. Watch those dollar signs! */
1161 /* Microsoft import libraries have every member named the same,
1162 and not in the right order for us to link them correctly. We
1163 must detect these and rename the members so that they'll link
1164 correctly. There are three types of objects: the head, the
1165 thunks, and the sentinel(s). The head is easy; it's the one
1166 with idata2. We assume that the sentinels won't have relocs,
1167 and the thunks will. It's easier than checking the symbol
1168 table for external references. */
1169 LANG_FOR_EACH_INPUT_STATEMENT (is)
1170 {
1171 if (is->the_bfd->my_archive)
1172 {
1173 char *pnt;
1174 bfd *arch = is->the_bfd->my_archive;
1176 if (cur_arch != arch)
1177 {
1178 cur_arch = arch;
1179 is_ms_arch = 1;
1181 for (is3 = is;
1182 is3 && is3->the_bfd->my_archive == arch;
1183 is3 = (lang_input_statement_type *) is3->next)
1184 {
1185 /* A MS dynamic import library can also contain static
1186 members, so look for the first element with a .dll
1187 extension, and use that for the remainder of the
1188 comparisons. */
1189 pnt = strrchr (is3->the_bfd->filename, '.');
1190 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
1191 break;
1192 }
1194 if (is3 == NULL)
1195 is_ms_arch = 0;
1196 else
1197 {
1198 /* OK, found one. Now look to see if the remaining
1199 (dynamic import) members use the same name. */
1200 for (is2 = is;
1201 is2 && is2->the_bfd->my_archive == arch;
1202 is2 = (lang_input_statement_type *) is2->next)
1203 {
1204 /* Skip static members, ie anything with a .obj
1205 extension. */
1206 pnt = strrchr (is2->the_bfd->filename, '.');
1207 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1208 continue;
1210 if (strcmp (is3->the_bfd->filename,
1211 is2->the_bfd->filename))
1212 {
1213 is_ms_arch = 0;
1214 break;
1215 }
1216 }
1217 }
1218 }
1220 /* This fragment might have come from an .obj file in a Microsoft
1221 import, and not an actual import record. If this is the case,
1222 then leave the filename alone. */
1223 pnt = strrchr (is->the_bfd->filename, '.');
1225 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
1226 {
1227 int idata2 = 0, reloc_count=0;
1228 asection *sec;
1229 char *new_name, seq;
1231 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1232 {
1233 if (strcmp (sec->name, ".idata\$2") == 0)
1234 idata2 = 1;
1235 reloc_count += sec->reloc_count;
1236 }
1238 if (idata2) /* .idata2 is the TOC */
1239 seq = 'a';
1240 else if (reloc_count > 0) /* thunks */
1241 seq = 'b';
1242 else /* sentinel */
1243 seq = 'c';
1245 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1246 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1247 is->the_bfd->filename = new_name;
1249 new_name = xmalloc (strlen (is->filename) + 3);
1250 sprintf (new_name, "%s.%c", is->filename, seq);
1251 is->filename = new_name;
1252 }
1253 }
1254 }
1255 }
1257 {
1258 /* The following chunk of code tries to identify jump stubs in
1259 import libraries which are dead code and eliminates them
1260 from the final link. For each exported symbol <sym>, there
1261 is a object file in the import library with a .text section
1262 and several .idata$* sections. The .text section contains the
1263 symbol definition for <sym> which is a jump stub of the form
1264 jmp *__imp_<sym>. The .idata$5 contains the symbol definition
1265 for __imp_<sym> which is the address of the slot for <sym> in
1266 the import address table. When a symbol is imported explicitly
1267 using __declspec(dllimport) declaration, the compiler generates
1268 a reference to __imp_<sym> which directly resolves to the
1269 symbol in .idata$5, in which case the jump stub code is not
1270 needed. The following code tries to identify jump stub sections
1271 in import libraries which are not referred to by anyone and
1272 marks them for exclusion from the final link. */
1273 LANG_FOR_EACH_INPUT_STATEMENT (is)
1274 {
1275 if (is->the_bfd->my_archive)
1276 {
1277 int is_imp = 0;
1278 asection *sec, *stub_sec = NULL;
1280 /* See if this is an import library thunk. */
1281 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1282 {
1283 if (strncmp (sec->name, ".idata\$", 7) == 0)
1284 is_imp = 1;
1285 /* The section containing the jmp stub has code
1286 and has a reloc. */
1287 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1288 stub_sec = sec;
1289 }
1291 if (is_imp && stub_sec)
1292 {
1293 long symsize;
1294 asymbol **symbols;
1295 long src_count;
1296 struct bfd_link_hash_entry * blhe;
1298 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1299 symbols = xmalloc (symsize);
1300 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1302 for (src_count = 0; src_count < symsize; src_count++)
1303 {
1304 if (symbols[src_count]->section->id == stub_sec->id)
1305 {
1306 /* This symbol belongs to the section containing
1307 the stub. */
1308 blhe = bfd_link_hash_lookup (link_info.hash,
1309 symbols[src_count]->name,
1310 FALSE, FALSE, TRUE);
1311 /* If the symbol in the stub section has no other
1312 undefined references, exclude the stub section
1313 from the final link. */
1314 if (blhe && (blhe->type == bfd_link_hash_defined)
1315 && (blhe->u.undef.next == NULL))
1316 stub_sec->flags |= SEC_EXCLUDE;
1317 }
1318 }
1319 free (symbols);
1320 }
1321 }
1322 }
1323 }
1324 }
1325 \f
1326 static void
1327 gld_${EMULATION_NAME}_before_allocation (void)
1328 {
1329 #ifdef TARGET_IS_ppcpe
1330 /* Here we rummage through the found bfds to collect toc information. */
1331 {
1332 LANG_FOR_EACH_INPUT_STATEMENT (is)
1333 {
1334 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1335 {
1336 /* xgettext:c-format */
1337 einfo (_("Errors encountered processing file %s\n"), is->filename);
1338 }
1339 }
1340 }
1342 /* We have seen it all. Allocate it, and carry on. */
1343 ppc_allocate_toc_section (&link_info);
1344 #endif /* TARGET_IS_ppcpe */
1346 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1347 /* FIXME: we should be able to set the size of the interworking stub
1348 section.
1350 Here we rummage through the found bfds to collect glue
1351 information. FIXME: should this be based on a command line
1352 option? krk@cygnus.com. */
1353 {
1354 LANG_FOR_EACH_INPUT_STATEMENT (is)
1355 {
1356 if (! bfd_arm_process_before_allocation
1357 (is->the_bfd, & link_info, support_old_code))
1358 {
1359 /* xgettext:c-format */
1360 einfo (_("Errors encountered processing file %s for interworking"),
1361 is->filename);
1362 }
1363 }
1364 }
1366 /* We have seen it all. Allocate it, and carry on. */
1367 bfd_arm_allocate_interworking_sections (& link_info);
1368 #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
1370 before_allocation_default ();
1371 }
1372 \f
1373 #ifdef DLL_SUPPORT
1374 /* This is called when an input file isn't recognized as a BFD. We
1375 check here for .DEF files and pull them in automatically. */
1377 static int
1378 saw_option (char *option)
1379 {
1380 int i;
1382 for (i = 0; init[i].ptr; i++)
1383 if (strcmp (init[i].symbol, option) == 0)
1384 return init[i].inited;
1385 return 0;
1386 }
1387 #endif /* DLL_SUPPORT */
1389 static bfd_boolean
1390 gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1391 {
1392 #ifdef DLL_SUPPORT
1393 const char *ext = entry->filename + strlen (entry->filename) - 4;
1395 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1396 {
1397 pe_def_file = def_file_parse (entry->filename, pe_def_file);
1399 if (pe_def_file)
1400 {
1401 int i, buflen=0, len;
1402 char *buf;
1404 for (i = 0; i < pe_def_file->num_exports; i++)
1405 {
1406 len = strlen (pe_def_file->exports[i].internal_name);
1407 if (buflen < len + 2)
1408 buflen = len + 2;
1409 }
1411 buf = (char *) xmalloc (buflen);
1413 for (i = 0; i < pe_def_file->num_exports; i++)
1414 {
1415 struct bfd_link_hash_entry *h;
1417 sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name);
1419 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1420 if (h == (struct bfd_link_hash_entry *) NULL)
1421 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1422 if (h->type == bfd_link_hash_new)
1423 {
1424 h->type = bfd_link_hash_undefined;
1425 h->u.undef.abfd = NULL;
1426 bfd_link_add_undef (link_info.hash, h);
1427 }
1428 }
1429 free (buf);
1431 /* def_file_print (stdout, pe_def_file); */
1432 if (pe_def_file->is_dll == 1)
1433 link_info.shared = 1;
1435 if (pe_def_file->base_address != (bfd_vma)(-1))
1436 {
1437 pe.ImageBase =
1438 pe_data (output_bfd)->pe_opthdr.ImageBase =
1439 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1440 init[IMAGEBASEOFF].inited = 1;
1441 if (image_base_statement)
1442 image_base_statement->exp =
1443 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1444 }
1446 if (pe_def_file->stack_reserve != -1
1447 && ! saw_option ("__size_of_stack_reserve__"))
1448 {
1449 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1450 if (pe_def_file->stack_commit != -1)
1451 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1452 }
1453 if (pe_def_file->heap_reserve != -1
1454 && ! saw_option ("__size_of_heap_reserve__"))
1455 {
1456 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1457 if (pe_def_file->heap_commit != -1)
1458 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1459 }
1460 return TRUE;
1461 }
1462 }
1463 #endif
1464 return FALSE;
1465 }
1467 static bfd_boolean
1468 gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1469 {
1470 #ifdef DLL_SUPPORT
1471 #ifdef TARGET_IS_i386pe
1472 pe_dll_id_target ("pei-i386");
1473 #endif
1474 #ifdef TARGET_IS_shpe
1475 pe_dll_id_target ("pei-shl");
1476 #endif
1477 #ifdef TARGET_IS_mipspe
1478 pe_dll_id_target ("pei-mips");
1479 #endif
1480 #ifdef TARGET_IS_armpe
1481 pe_dll_id_target ("pei-arm-little");
1482 #endif
1483 #ifdef TARGET_IS_arm_epoc_pe
1484 pe_dll_id_target ("epoc-pei-arm-little");
1485 #endif
1486 #ifdef TARGET_IS_arm_wince_pe
1487 pe_dll_id_target ("pei-arm-wince-little");
1488 #endif
1489 if (pe_bfd_is_dll (entry->the_bfd))
1490 return pe_implied_import_dll (entry->filename);
1491 #endif
1492 return FALSE;
1493 }
1495 static void
1496 gld_${EMULATION_NAME}_finish (void)
1497 {
1498 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
1499 struct bfd_link_hash_entry * h;
1501 if (thumb_entry_symbol != NULL)
1502 {
1503 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1504 FALSE, FALSE, TRUE);
1506 if (h != (struct bfd_link_hash_entry *) NULL
1507 && (h->type == bfd_link_hash_defined
1508 || h->type == bfd_link_hash_defweak)
1509 && h->u.def.section->output_section != NULL)
1510 {
1511 static char buffer[32];
1512 bfd_vma val;
1514 /* Special procesing is required for a Thumb entry symbol. The
1515 bottom bit of its address must be set. */
1516 val = (h->u.def.value
1517 + bfd_get_section_vma (output_bfd,
1518 h->u.def.section->output_section)
1519 + h->u.def.section->output_offset);
1521 val |= 1;
1523 /* Now convert this value into a string and store it in entry_symbol
1524 where the lang_finish() function will pick it up. */
1525 buffer[0] = '0';
1526 buffer[1] = 'x';
1528 sprintf_vma (buffer + 2, val);
1530 if (entry_symbol.name != NULL && entry_from_cmdline)
1531 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1532 thumb_entry_symbol, entry_symbol.name);
1533 entry_symbol.name = buffer;
1534 }
1535 else
1536 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1537 }
1538 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
1540 finish_default ();
1542 #ifdef DLL_SUPPORT
1543 if (link_info.shared
1544 #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1545 || (!link_info.relocatable && pe_def_file->num_exports != 0)
1546 #endif
1547 )
1548 {
1549 pe_dll_fill_sections (output_bfd, &link_info);
1550 if (pe_implib_filename)
1551 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1552 }
1553 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1554 /* ARM doesn't need relocs. */
1555 else
1556 {
1557 pe_exe_fill_sections (output_bfd, &link_info);
1558 }
1559 #endif
1561 if (pe_out_def_filename)
1562 pe_dll_generate_def_file (pe_out_def_filename);
1563 #endif /* DLL_SUPPORT */
1565 /* I don't know where .idata gets set as code, but it shouldn't be. */
1566 {
1567 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1569 if (asec)
1570 {
1571 asec->flags &= ~SEC_CODE;
1572 asec->flags |= SEC_DATA;
1573 }
1574 }
1575 }
1577 \f
1578 /* Place an orphan section.
1580 We use this to put sections in a reasonable place in the file, and
1581 to ensure that they are aligned as required.
1583 We handle grouped sections here as well. A section named .foo$nn
1584 goes into the output section .foo. All grouped sections are sorted
1585 by name.
1587 Grouped sections for the default sections are handled by the
1588 default linker script using wildcards, and are sorted by
1589 sort_sections. */
1591 static bfd_boolean
1592 gld_${EMULATION_NAME}_place_orphan (asection *s)
1593 {
1594 const char *secname;
1595 const char *orig_secname;
1596 char *dollar = NULL;
1597 lang_output_section_statement_type *os;
1598 lang_statement_list_type add_child;
1600 secname = bfd_get_section_name (s->owner, s);
1602 /* Look through the script to see where to place this section. */
1603 orig_secname = secname;
1604 if (!link_info.relocatable
1605 && (dollar = strchr (secname, '$')) != NULL)
1606 {
1607 size_t len = dollar - orig_secname;
1608 char *newname = xmalloc (len + 1);
1609 memcpy (newname, orig_secname, len);
1610 newname[len] = '\0';
1611 secname = newname;
1612 }
1614 os = lang_output_section_find (secname);
1616 lang_list_init (&add_child);
1618 if (os != NULL
1619 && (os->bfd_section == NULL
1620 || os->bfd_section->flags == 0
1621 || ((s->flags ^ os->bfd_section->flags)
1622 & (SEC_LOAD | SEC_ALLOC)) == 0))
1623 {
1624 /* We already have an output section statement with this
1625 name, and its bfd section, if any, has compatible flags.
1626 If the section already exists but does not have any flags set,
1627 then it has been created by the linker, probably as a result of
1628 a --section-start command line switch. */
1629 lang_add_section (&add_child, s, os);
1630 }
1631 else
1632 {
1633 static struct orphan_save hold[] =
1634 {
1635 { ".text",
1636 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1637 0, 0, 0, 0 },
1638 { ".rdata",
1639 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1640 0, 0, 0, 0 },
1641 { ".data",
1642 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1643 0, 0, 0, 0 },
1644 { ".bss",
1645 SEC_ALLOC,
1646 0, 0, 0, 0 }
1647 };
1648 enum orphan_save_index
1649 {
1650 orphan_text = 0,
1651 orphan_rodata,
1652 orphan_data,
1653 orphan_bss
1654 };
1655 static int orphan_init_done = 0;
1656 struct orphan_save *place;
1657 lang_output_section_statement_type *after;
1658 etree_type *address;
1660 if (!orphan_init_done)
1661 {
1662 struct orphan_save *ho;
1663 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1664 if (ho->name != NULL)
1665 {
1666 ho->os = lang_output_section_find (ho->name);
1667 if (ho->os != NULL && ho->os->flags == 0)
1668 ho->os->flags = ho->flags;
1669 }
1670 orphan_init_done = 1;
1671 }
1673 /* Try to put the new output section in a reasonable place based
1674 on the section name and section flags. */
1676 place = NULL;
1677 if ((s->flags & SEC_ALLOC) == 0)
1678 ;
1679 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1680 place = &hold[orphan_bss];
1681 else if ((s->flags & SEC_READONLY) == 0)
1682 place = &hold[orphan_data];
1683 else if ((s->flags & SEC_CODE) == 0)
1684 place = &hold[orphan_rodata];
1685 else
1686 place = &hold[orphan_text];
1688 after = NULL;
1689 if (place != NULL)
1690 {
1691 if (place->os == NULL)
1692 place->os = lang_output_section_find (place->name);
1693 after = place->os;
1694 if (after == NULL)
1695 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1696 if (after == NULL)
1697 /* *ABS* is always the first output section statement. */
1698 after = (&lang_output_section_statement.head
1699 ->output_section_statement);
1700 }
1702 /* Choose a unique name for the section. This will be needed if the
1703 same section name appears in the input file with different
1704 loadable or allocatable characteristics. */
1705 if (bfd_get_section_by_name (output_bfd, secname) != NULL)
1706 {
1707 static int count = 1;
1708 secname = bfd_get_unique_section_name (output_bfd, secname, &count);
1709 if (secname == NULL)
1710 einfo ("%F%P: place_orphan failed: %E\n");
1711 }
1713 /* All sections in an executable must be aligned to a page boundary. */
1714 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1715 os = lang_insert_orphan (s, secname, after, place, address, &add_child);
1716 }
1718 {
1719 lang_statement_union_type **pl = &os->children.head;
1721 if (dollar != NULL)
1722 {
1723 bfd_boolean found_dollar;
1725 /* The section name has a '$'. Sort it with the other '$'
1726 sections. */
1727 found_dollar = FALSE;
1728 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1729 {
1730 lang_input_section_type *ls;
1731 const char *lname;
1733 if ((*pl)->header.type != lang_input_section_enum)
1734 continue;
1736 ls = &(*pl)->input_section;
1738 lname = bfd_get_section_name (ls->section->owner, ls->section);
1739 if (strchr (lname, '$') == NULL)
1740 {
1741 if (found_dollar)
1742 break;
1743 }
1744 else
1745 {
1746 found_dollar = TRUE;
1747 if (strcmp (orig_secname, lname) < 0)
1748 break;
1749 }
1750 }
1751 }
1753 if (add_child.head != NULL)
1754 {
1755 add_child.head->header.next = *pl;
1756 *pl = add_child.head;
1757 }
1758 }
1760 return TRUE;
1761 }
1763 static bfd_boolean
1764 gld_${EMULATION_NAME}_open_dynamic_archive
1765 (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
1766 lang_input_statement_type *entry)
1767 {
1768 static const struct
1769 {
1770 const char * format;
1771 bfd_boolean use_prefix;
1772 }
1773 libname_fmt [] =
1774 {
1775 /* Preferred explicit import library for dll's. */
1776 { "lib%s.dll.a", FALSE },
1777 /* Alternate explicit import library for dll's. */
1778 { "%s.dll.a", FALSE },
1779 /* "libfoo.a" could be either an import lib or a static lib.
1780 For backwards compatibility, libfoo.a needs to precede
1781 libfoo.dll and foo.dll in the search. */
1782 { "lib%s.a", FALSE },
1783 /* The 'native' spelling of an import lib name is "foo.lib". */
1784 { "%s.lib", FALSE },
1785 #ifdef DLL_SUPPORT
1786 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1787 { "%s%s.dll", TRUE },
1788 #endif
1789 /* Try "libfoo.dll" (default preferred dll name). */
1790 { "lib%s.dll", FALSE },
1791 /* Finally try 'native' dll name "foo.dll". */
1792 { "%s.dll", FALSE },
1793 /* Note: If adding more formats to this table, make sure to check to
1794 see if their length is longer than libname_fmt[0].format, and if
1795 so, update the call to xmalloc() below. */
1796 { NULL, FALSE }
1797 };
1798 static unsigned int format_max_len = 0;
1799 const char * filename;
1800 char * full_string;
1801 char * base_string;
1802 unsigned int i;
1805 if (! entry->is_archive)
1806 return FALSE;
1808 filename = entry->filename;
1810 if (format_max_len == 0)
1811 /* We need to allow space in the memory that we are going to allocate
1812 for the characters in the format string. Since the format array is
1813 static we only need to calculate this information once. In theory
1814 this value could also be computed statically, but this introduces
1815 the possibility for a discrepancy and hence a possible memory
1816 corruption. The lengths we compute here will be too long because
1817 they will include any formating characters (%s) in the strings, but
1818 this will not matter. */
1819 for (i = 0; libname_fmt[i].format; i++)
1820 if (format_max_len < strlen (libname_fmt[i].format))
1821 format_max_len = strlen (libname_fmt[i].format);
1823 full_string = xmalloc (strlen (search->name)
1824 + strlen (filename)
1825 + format_max_len
1826 #ifdef DLL_SUPPORT
1827 + (pe_dll_search_prefix
1828 ? strlen (pe_dll_search_prefix) : 0)
1829 #endif
1830 /* Allow for the terminating NUL and for the path
1831 separator character that is inserted between
1832 search->name and the start of the format string. */
1833 + 2);
1835 sprintf (full_string, "%s/", search->name);
1836 base_string = full_string + strlen (full_string);
1838 for (i = 0; libname_fmt[i].format; i++)
1839 {
1840 #ifdef DLL_SUPPORT
1841 if (libname_fmt[i].use_prefix)
1842 {
1843 if (!pe_dll_search_prefix)
1844 continue;
1845 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1846 }
1847 else
1848 #endif
1849 sprintf (base_string, libname_fmt[i].format, filename);
1851 if (ldfile_try_open_bfd (full_string, entry))
1852 break;
1853 }
1855 if (!libname_fmt[i].format)
1856 {
1857 free (full_string);
1858 return FALSE;
1859 }
1861 entry->filename = full_string;
1863 return TRUE;
1864 }
1866 static int
1867 gld_${EMULATION_NAME}_find_potential_libraries
1868 (char *name, lang_input_statement_type *entry)
1869 {
1870 return ldfile_open_file_search (name, entry, "", ".lib");
1871 }
1872 \f
1873 static char *
1874 gld_${EMULATION_NAME}_get_script (int *isfile)
1875 EOF
1876 # Scripts compiled in.
1877 # sed commands to quote an ld script as a C string.
1878 sc="-f stringify.sed"
1880 fragment <<EOF
1881 {
1882 *isfile = 0;
1884 if (link_info.relocatable && config.build_constructors)
1885 return
1886 EOF
1887 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1888 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1889 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1890 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1891 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1892 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1893 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1894 echo ' ; else return' >> e${EMULATION_NAME}.c
1895 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1896 echo '; }' >> e${EMULATION_NAME}.c
1898 fragment <<EOF
1901 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1902 {
1903 gld_${EMULATION_NAME}_before_parse,
1904 syslib_default,
1905 hll_default,
1906 gld_${EMULATION_NAME}_after_parse,
1907 gld_${EMULATION_NAME}_after_open,
1908 after_allocation_default,
1909 set_output_arch_default,
1910 ldemul_default_target,
1911 gld_${EMULATION_NAME}_before_allocation,
1912 gld_${EMULATION_NAME}_get_script,
1913 "${EMULATION_NAME}",
1914 "${OUTPUT_FORMAT}",
1915 gld_${EMULATION_NAME}_finish,
1916 NULL, /* Create output section statements. */
1917 gld_${EMULATION_NAME}_open_dynamic_archive,
1918 gld_${EMULATION_NAME}_place_orphan,
1919 gld_${EMULATION_NAME}_set_symbols,
1920 NULL, /* parse_args */
1921 gld${EMULATION_NAME}_add_options,
1922 gld${EMULATION_NAME}_handle_option,
1923 gld_${EMULATION_NAME}_unrecognized_file,
1924 gld_${EMULATION_NAME}_list_options,
1925 gld_${EMULATION_NAME}_recognized_file,
1926 gld_${EMULATION_NAME}_find_potential_libraries,
1927 NULL /* new_vers_pattern. */
1928 };
1929 EOF