| blob | 87a5bc26d54966e87bd0b67b52c94b4d298f3e2b |
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${EMULATION_NAME}.c <<EOF
11 /* This file is part of GLD, the Gnu Linker.
12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
13 Free Software Foundation, Inc.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 /* For WINDOWS_NT */
30 /* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
34 the correct entry point by default. */
36 #define TARGET_IS_${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"
72 #include <ctype.h>
74 /* Permit the emulation parameters to override the default section
75 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
76 it seem that include/coff/internal.h should not define
77 PE_DEF_SECTION_ALIGNMENT. */
78 #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
79 #undef PE_DEF_SECTION_ALIGNMENT
80 #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
81 #endif
83 #if defined(TARGET_IS_i386pe)
84 #define DLL_SUPPORT
85 #endif
86 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
87 #define DLL_SUPPORT
88 #endif
90 #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
91 #define PE_DEF_SUBSYSTEM 3
92 #else
93 #undef NT_EXE_IMAGE_BASE
94 #undef PE_DEF_SECTION_ALIGNMENT
95 #undef PE_DEF_FILE_ALIGNMENT
96 #define NT_EXE_IMAGE_BASE 0x00010000
97 #ifdef TARGET_IS_armpe
98 #define PE_DEF_SECTION_ALIGNMENT 0x00001000
99 #define PE_DEF_SUBSYSTEM 9
100 #else
101 #define PE_DEF_SECTION_ALIGNMENT 0x00000400
102 #define PE_DEF_SUBSYSTEM 2
103 #endif
104 #define PE_DEF_FILE_ALIGNMENT 0x00000200
105 #endif
107 static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
108 static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
109 static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
110 static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
111 static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
112 static asection *output_prev_sec_find
113 PARAMS ((lang_output_section_statement_type *));
114 static bfd_boolean gld_${EMULATION_NAME}_place_orphan
115 PARAMS ((lang_input_statement_type *, asection *));
116 static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
117 static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
118 static void gld_${EMULATION_NAME}_finish PARAMS ((void));
119 static bfd_boolean gld_${EMULATION_NAME}_open_dynamic_archive
120 PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
121 static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
122 static void set_pe_name PARAMS ((char *, long));
123 static void set_pe_subsystem PARAMS ((void));
124 static void set_pe_value PARAMS ((char *));
125 static void set_pe_stack_heap PARAMS ((char *, char *));
127 #ifdef DLL_SUPPORT
128 static bfd_boolean pe_undef_cdecl_match
129 PARAMS ((struct bfd_link_hash_entry *, PTR));
130 static void pe_fixup_stdcalls PARAMS ((void));
131 static int make_import_fixup PARAMS ((arelent *, asection *));
132 static void pe_find_data_imports PARAMS ((void));
133 #endif
135 static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR));
136 static bfd_boolean gld_${EMULATION_NAME}_unrecognized_file
137 PARAMS ((lang_input_statement_type *));
138 static bfd_boolean gld_${EMULATION_NAME}_recognized_file
139 PARAMS ((lang_input_statement_type *));
140 static int gld_${EMULATION_NAME}_find_potential_libraries
141 PARAMS ((char *, lang_input_statement_type *));
144 static struct internal_extra_pe_aouthdr pe;
145 static int dll;
146 static int support_old_code = 0;
147 static char * thumb_entry_symbol = NULL;
148 static lang_assignment_statement_type *image_base_statement = 0;
150 #ifdef DLL_SUPPORT
151 static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
152 static char *pe_out_def_filename = NULL;
153 static char *pe_implib_filename = NULL;
154 static int pe_enable_auto_image_base = 0;
155 static char *pe_dll_search_prefix = NULL;
156 #endif
158 extern const char *output_filename;
160 static void
161 gld_${EMULATION_NAME}_before_parse()
162 {
163 const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
164 if (arch)
165 {
166 ldfile_output_architecture = arch->arch;
167 ldfile_output_machine = arch->mach;
168 ldfile_output_machine_name = arch->printable_name;
169 }
170 else
171 ldfile_output_architecture = bfd_arch_${ARCH};
172 output_filename = "${EXECUTABLE_NAME:-a.exe}";
173 #ifdef DLL_SUPPORT
174 config.dynamic_link = TRUE;
175 config.has_shared = 1;
176 link_info.pei386_auto_import = -1;
177 link_info.pei386_runtime_pseudo_reloc = FALSE;
179 #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
180 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
181 lang_add_entry ("WinMainCRTStartup", 1);
182 #else
183 lang_add_entry ("_WinMainCRTStartup", 1);
184 #endif
185 #endif
186 #endif
187 }
188 \f
189 /* PE format extra command line options. */
191 /* Used for setting flags in the PE header. */
192 #define OPTION_BASE_FILE (300 + 1)
193 #define OPTION_DLL (OPTION_BASE_FILE + 1)
194 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
195 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
196 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
197 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
198 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
199 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
200 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
201 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
202 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
203 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
204 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
205 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
206 #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
207 #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
208 #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
209 #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
210 #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
211 #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
212 #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
213 #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
214 #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
215 #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
216 #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
217 #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
218 #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
219 #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
220 #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
221 #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
222 #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
223 #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
224 #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
225 #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
226 #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
227 (OPTION_EXCLUDE_LIBS + 1)
228 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
229 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
231 static struct option longopts[] = {
232 /* PE options */
233 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
234 {"dll", no_argument, NULL, OPTION_DLL},
235 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
236 {"heap", required_argument, NULL, OPTION_HEAP},
237 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
238 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
239 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
240 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
241 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
242 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
243 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
244 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
245 {"stack", required_argument, NULL, OPTION_STACK},
246 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
247 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
248 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
249 #ifdef DLL_SUPPORT
250 /* getopt allows abbreviations, so we do this to stop it from treating -o
251 as an abbreviation for this option */
252 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
253 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
254 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
255 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
256 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
257 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
258 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
259 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
260 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
261 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
262 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
263 /* getopt() allows abbreviations, so we do this to stop it from
264 treating -c as an abbreviation for these --compat-implib. */
265 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
266 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
267 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
268 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
269 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
270 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
271 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
272 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
273 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
274 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
275 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
276 #endif
277 {NULL, no_argument, NULL, 0}
278 };
281 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
282 parameters which may be input from the command line. */
284 typedef struct
285 {
286 void *ptr;
287 int size;
288 int value;
289 char *symbol;
290 int inited;
291 } definfo;
293 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
295 static definfo init[] =
296 {
297 /* imagebase must be first */
298 #define IMAGEBASEOFF 0
299 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
300 #define DLLOFF 1
301 {&dll, sizeof(dll), 0, "__dll__", 0},
302 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
303 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
304 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
305 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
306 D(MajorImageVersion,"__major_image_version__", 1),
307 D(MinorImageVersion,"__minor_image_version__", 0),
308 #ifdef TARGET_IS_armpe
309 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
310 #else
311 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
312 #endif
313 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
314 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
315 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
316 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
317 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
318 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
319 D(LoaderFlags,"__loader_flags__", 0x0),
320 { NULL, 0, 0, NULL, 0 }
321 };
324 static void
325 gld_${EMULATION_NAME}_list_options (file)
326 FILE * file;
327 {
328 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
329 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
330 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
331 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
332 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
333 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
334 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
335 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
336 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
337 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
338 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
339 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
340 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
341 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
342 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
343 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
344 #ifdef DLL_SUPPORT
345 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
346 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
347 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
348 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
349 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
350 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
351 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
352 fprintf (file, _(" --out-implib <file> Generate import library\n"));
353 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
354 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
355 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
356 create __imp_<SYMBOL> as well.\n"));
357 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
358 unless user specifies one\n"));
359 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
360 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without an\n\
361 importlib, use <string><basename>.dll \n\
362 in preference to lib<basename>.dll \n"));
363 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n\
364 __imp_sym for DATA references\n"));
365 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
366 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
367 adding pseudo-relocations resolved at runtime.\n"));
368 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
369 auto-imported DATA.\n"));
370 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
371 or linking to DLLs (esp. auto-import)\n"));
372 #endif
373 }
376 static void
377 set_pe_name (name, val)
378 char *name;
379 long val;
380 {
381 int i;
383 /* Find the name and set it. */
384 for (i = 0; init[i].ptr; i++)
385 {
386 if (strcmp (name, init[i].symbol) == 0)
387 {
388 init[i].value = val;
389 init[i].inited = 1;
390 return;
391 }
392 }
393 abort ();
394 }
397 static void
398 set_pe_subsystem ()
399 {
400 const char *sver;
401 int len;
402 int i;
403 static const struct
404 {
405 const char *name;
406 const int value;
407 const char *entry;
408 }
409 v[] =
410 {
411 { "native", 1, "NtProcessStartup" },
412 #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
413 { "windows", 2, "WinMainCRTStartup" },
414 #else
415 { "windows", 2, "WinMainCRTStartup" },
416 #endif
417 { "console", 3, "mainCRTStartup" },
418 #if 0
419 /* The Microsoft linker does not recognize this. */
420 { "os2", 5, "" },
421 #endif
422 { "posix", 7, "__PosixProcessStartup"},
423 { "wince", 9, "_WinMainCRTStartup" },
424 { 0, 0, 0 }
425 };
427 sver = strchr (optarg, ':');
428 if (sver == NULL)
429 len = strlen (optarg);
430 else
431 {
432 char *end;
434 len = sver - optarg;
435 set_pe_name ("__major_subsystem_version__",
436 strtoul (sver + 1, &end, 0));
437 if (*end == '.')
438 set_pe_name ("__minor_subsystem_version__",
439 strtoul (end + 1, &end, 0));
440 if (*end != '\0')
441 einfo (_("%P: warning: bad version number in -subsystem option\n"));
442 }
444 for (i = 0; v[i].name; i++)
445 {
446 if (strncmp (optarg, v[i].name, len) == 0
447 && v[i].name[len] == '\0')
448 {
449 const char *initial_symbol_char;
450 const char *entry;
452 set_pe_name ("__subsystem__", v[i].value);
454 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
455 if (*initial_symbol_char == '\0')
456 entry = v[i].entry;
457 else
458 {
459 char *alc_entry;
461 /* lang_add_entry expects its argument to be permanently
462 allocated, so we don't free this string. */
463 alc_entry = xmalloc (strlen (initial_symbol_char)
464 + strlen (v[i].entry)
465 + 1);
466 strcpy (alc_entry, initial_symbol_char);
467 strcat (alc_entry, v[i].entry);
468 entry = alc_entry;
469 }
471 lang_add_entry (entry, 0);
473 return;
474 }
475 }
477 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
478 }
481 static void
482 set_pe_value (name)
483 char *name;
485 {
486 char *end;
488 set_pe_name (name, strtoul (optarg, &end, 0));
490 if (end == optarg)
491 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
493 optarg = end;
494 }
497 static void
498 set_pe_stack_heap (resname, comname)
499 char *resname;
500 char *comname;
501 {
502 set_pe_value (resname);
504 if (*optarg == ',')
505 {
506 optarg++;
507 set_pe_value (comname);
508 }
509 else if (*optarg)
510 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
511 }
514 static int
515 gld_${EMULATION_NAME}_parse_args (argc, argv)
516 int argc;
517 char **argv;
518 {
519 int longind;
520 int optc;
521 int prevoptind = optind;
522 int prevopterr = opterr;
523 int wanterror;
524 static int lastoptind = -1;
526 if (lastoptind != optind)
527 opterr = 0;
528 wanterror = opterr;
530 lastoptind = optind;
532 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
533 opterr = prevopterr;
535 switch (optc)
536 {
537 default:
538 if (wanterror)
539 xexit (1);
540 optind = prevoptind;
541 return 0;
543 case OPTION_BASE_FILE:
544 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
545 if (link_info.base_file == NULL)
546 {
547 /* xgettext:c-format */
548 fprintf (stderr, _("%s: Can't open base file %s\n"),
549 program_name, optarg);
550 xexit (1);
551 }
552 break;
554 /* PE options. */
555 case OPTION_HEAP:
556 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
557 break;
558 case OPTION_STACK:
559 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
560 break;
561 case OPTION_SUBSYSTEM:
562 set_pe_subsystem ();
563 break;
564 case OPTION_MAJOR_OS_VERSION:
565 set_pe_value ("__major_os_version__");
566 break;
567 case OPTION_MINOR_OS_VERSION:
568 set_pe_value ("__minor_os_version__");
569 break;
570 case OPTION_MAJOR_SUBSYSTEM_VERSION:
571 set_pe_value ("__major_subsystem_version__");
572 break;
573 case OPTION_MINOR_SUBSYSTEM_VERSION:
574 set_pe_value ("__minor_subsystem_version__");
575 break;
576 case OPTION_MAJOR_IMAGE_VERSION:
577 set_pe_value ("__major_image_version__");
578 break;
579 case OPTION_MINOR_IMAGE_VERSION:
580 set_pe_value ("__minor_image_version__");
581 break;
582 case OPTION_FILE_ALIGNMENT:
583 set_pe_value ("__file_alignment__");
584 break;
585 case OPTION_SECTION_ALIGNMENT:
586 set_pe_value ("__section_alignment__");
587 break;
588 case OPTION_DLL:
589 set_pe_name ("__dll__", 1);
590 break;
591 case OPTION_IMAGE_BASE:
592 set_pe_value ("__image_base__");
593 break;
594 case OPTION_SUPPORT_OLD_CODE:
595 support_old_code = 1;
596 break;
597 case OPTION_THUMB_ENTRY:
598 thumb_entry_symbol = optarg;
599 break;
600 #ifdef DLL_SUPPORT
601 case OPTION_OUT_DEF:
602 pe_out_def_filename = xstrdup (optarg);
603 break;
604 case OPTION_EXPORT_ALL:
605 pe_dll_export_everything = 1;
606 break;
607 case OPTION_EXCLUDE_SYMBOLS:
608 pe_dll_add_excludes (optarg, 0);
609 break;
610 case OPTION_EXCLUDE_LIBS:
611 pe_dll_add_excludes (optarg, 1);
612 break;
613 case OPTION_KILL_ATS:
614 pe_dll_kill_ats = 1;
615 break;
616 case OPTION_STDCALL_ALIASES:
617 pe_dll_stdcall_aliases = 1;
618 break;
619 case OPTION_ENABLE_STDCALL_FIXUP:
620 pe_enable_stdcall_fixup = 1;
621 break;
622 case OPTION_DISABLE_STDCALL_FIXUP:
623 pe_enable_stdcall_fixup = 0;
624 break;
625 case OPTION_IMPLIB_FILENAME:
626 pe_implib_filename = xstrdup (optarg);
627 break;
628 case OPTION_WARN_DUPLICATE_EXPORTS:
629 pe_dll_warn_dup_exports = 1;
630 break;
631 case OPTION_IMP_COMPAT:
632 pe_dll_compat_implib = 1;
633 break;
634 case OPTION_ENABLE_AUTO_IMAGE_BASE:
635 pe_enable_auto_image_base = 1;
636 break;
637 case OPTION_DISABLE_AUTO_IMAGE_BASE:
638 pe_enable_auto_image_base = 0;
639 break;
640 case OPTION_DLL_SEARCH_PREFIX:
641 pe_dll_search_prefix = xstrdup (optarg);
642 break;
643 case OPTION_NO_DEFAULT_EXCLUDES:
644 pe_dll_do_default_excludes = 0;
645 break;
646 case OPTION_DLL_ENABLE_AUTO_IMPORT:
647 link_info.pei386_auto_import = 1;
648 break;
649 case OPTION_DLL_DISABLE_AUTO_IMPORT:
650 link_info.pei386_auto_import = 0;
651 break;
652 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
653 link_info.pei386_runtime_pseudo_reloc = 1;
654 break;
655 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
656 link_info.pei386_runtime_pseudo_reloc = 0;
657 break;
658 case OPTION_ENABLE_EXTRA_PE_DEBUG:
659 pe_dll_extra_pe_debug = 1;
660 break;
661 #endif
662 }
663 return 1;
664 }
665 \f
667 #ifdef DLL_SUPPORT
668 static unsigned long
669 strhash (const char *str)
670 {
671 const unsigned char *s;
672 unsigned long hash;
673 unsigned int c;
674 unsigned int len;
676 hash = 0;
677 len = 0;
678 s = (const unsigned char *) str;
679 while ((c = *s++) != '\0')
680 {
681 hash += c + (c << 17);
682 hash ^= hash >> 2;
683 ++len;
684 }
685 hash += len + (len << 17);
686 hash ^= hash >> 2;
688 return hash;
689 }
691 /* Use the output file to create a image base for relocatable DLLs. */
693 static unsigned long
694 compute_dll_image_base (const char *ofile)
695 {
696 unsigned long hash = strhash (ofile);
697 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
698 }
699 #endif
701 /* Assign values to the special symbols before the linker script is
702 read. */
704 static void
705 gld_${EMULATION_NAME}_set_symbols ()
706 {
707 /* Run through and invent symbols for all the
708 names and insert the defaults. */
709 int j;
710 lang_statement_list_type *save;
712 if (!init[IMAGEBASEOFF].inited)
713 {
714 if (link_info.relocateable)
715 init[IMAGEBASEOFF].value = 0;
716 else if (init[DLLOFF].value || link_info.shared)
717 #ifdef DLL_SUPPORT
718 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
719 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
720 #else
721 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
722 #endif
723 else
724 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
725 }
727 /* Don't do any symbol assignments if this is a relocateable link. */
728 if (link_info.relocateable)
729 return;
731 /* Glue the assignments into the abs section. */
732 save = stat_ptr;
734 stat_ptr = &(abs_output_section->children);
736 for (j = 0; init[j].ptr; j++)
737 {
738 long val = init[j].value;
739 lang_assignment_statement_type *rv;
740 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
741 exp_intop (val)));
742 if (init[j].size == sizeof (short))
743 *(short *) init[j].ptr = val;
744 else if (init[j].size == sizeof (int))
745 *(int *) init[j].ptr = val;
746 else if (init[j].size == sizeof (long))
747 *(long *) init[j].ptr = val;
748 /* This might be a long long or other special type. */
749 else if (init[j].size == sizeof (bfd_vma))
750 *(bfd_vma *) init[j].ptr = val;
751 else abort ();
752 if (j == IMAGEBASEOFF)
753 image_base_statement = rv;
754 }
755 /* Restore the pointer. */
756 stat_ptr = save;
758 if (pe.FileAlignment >
759 pe.SectionAlignment)
760 {
761 einfo (_("%P: warning, file alignment > section alignment.\n"));
762 }
763 }
765 /* This is called after the linker script and the command line options
766 have been read. */
768 static void
769 gld_${EMULATION_NAME}_after_parse ()
770 {
771 /* The Windows libraries are designed for the linker to treat the
772 entry point as an undefined symbol. Otherwise, the .obj that
773 defines mainCRTStartup is brought in because it is the first
774 encountered in libc.lib and it has other symbols in it which will
775 be pulled in by the link process. To avoid this, we act as
776 though the user specified -u with the entry point symbol.
778 This function is called after the linker script and command line
779 options have been read, so at this point we know the right entry
780 point. This function is called before the input files are
781 opened, so registering the symbol as undefined will make a
782 difference. */
784 if (! link_info.relocateable && entry_symbol.name != NULL)
785 ldlang_add_undef (entry_symbol.name);
786 }
788 /* pe-dll.c directly accesses pe_data_import_dll,
789 so it must be defined outside of #ifdef DLL_SUPPORT.
790 Note - this variable is deliberately not initialised.
791 This allows it to be treated as a common varaible, and only
792 exist in one incarnation in a multiple target enabled linker. */
793 char * pe_data_import_dll;
795 #ifdef DLL_SUPPORT
796 static struct bfd_link_hash_entry *pe_undef_found_sym;
798 static bfd_boolean
799 pe_undef_cdecl_match (h, string)
800 struct bfd_link_hash_entry *h;
801 PTR string;
802 {
803 int sl;
805 sl = strlen (string); /* Silence compiler warning. */
806 if (h->type == bfd_link_hash_defined
807 && strncmp (h->root.string, string, sl) == 0
808 && h->root.string[sl] == '@')
809 {
810 pe_undef_found_sym = h;
811 return FALSE;
812 }
813 return TRUE;
814 }
816 static void
817 pe_fixup_stdcalls ()
818 {
819 static int gave_warning_message = 0;
820 struct bfd_link_hash_entry *undef, *sym;
822 if (pe_dll_extra_pe_debug)
823 printf ("%s\n", __FUNCTION__);
825 for (undef = link_info.hash->undefs; undef; undef=undef->next)
826 if (undef->type == bfd_link_hash_undefined)
827 {
828 char* at = strchr (undef->root.string, '@');
829 int lead_at = (*undef->root.string == '@');
830 /* For now, don't try to fixup fastcall symbols. */
832 if (at && !lead_at)
833 {
834 /* The symbol is a stdcall symbol, so let's look for a
835 cdecl symbol with the same name and resolve to that. */
836 char *cname = xstrdup (undef->root.string /* + lead_at */);
837 at = strchr (cname, '@');
838 *at = 0;
839 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
841 if (sym && sym->type == bfd_link_hash_defined)
842 {
843 undef->type = bfd_link_hash_defined;
844 undef->u.def.value = sym->u.def.value;
845 undef->u.def.section = sym->u.def.section;
847 if (pe_enable_stdcall_fixup == -1)
848 {
849 einfo (_("Warning: resolving %s by linking to %s\n"),
850 undef->root.string, cname);
851 if (! gave_warning_message)
852 {
853 gave_warning_message = 1;
854 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
855 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
856 }
857 }
858 }
859 }
860 else
861 {
862 /* The symbol is a cdecl symbol, so we look for stdcall
863 symbols - which means scanning the whole symbol table. */
864 pe_undef_found_sym = 0;
865 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
866 (PTR) undef->root.string);
867 sym = pe_undef_found_sym;
868 if (sym)
869 {
870 undef->type = bfd_link_hash_defined;
871 undef->u.def.value = sym->u.def.value;
872 undef->u.def.section = sym->u.def.section;
874 if (pe_enable_stdcall_fixup == -1)
875 {
876 einfo (_("Warning: resolving %s by linking to %s\n"),
877 undef->root.string, sym->root.string);
878 if (! gave_warning_message)
879 {
880 gave_warning_message = 1;
881 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
882 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
883 }
884 }
885 }
886 }
887 }
888 }
890 static int
891 make_import_fixup (rel, s)
892 arelent *rel;
893 asection *s;
894 {
895 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
896 int addend = 0;
898 if (pe_dll_extra_pe_debug)
899 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
900 (long) rel->address, (long) rel->addend);
902 if (! bfd_get_section_contents (s->owner, s, &addend, rel->address, sizeof (addend)))
903 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
904 s->owner, s, rel->address);
906 pe_create_import_fixup (rel, s, addend);
908 return 1;
909 }
911 static void
912 pe_find_data_imports ()
913 {
914 struct bfd_link_hash_entry *undef, *sym;
916 if (link_info.pei386_auto_import == 0)
917 return;
919 for (undef = link_info.hash->undefs; undef; undef=undef->next)
920 {
921 if (undef->type == bfd_link_hash_undefined)
922 {
923 /* C++ symbols are *long*. */
924 char buf[4096];
926 if (pe_dll_extra_pe_debug)
927 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
929 sprintf (buf, "__imp_%s", undef->root.string);
931 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
933 if (sym && sym->type == bfd_link_hash_defined)
934 {
935 bfd *b = sym->u.def.section->owner;
936 asymbol **symbols;
937 int nsyms, symsize, i;
939 if (link_info.pei386_auto_import == -1)
940 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
941 undef->root.string, buf);
943 symsize = bfd_get_symtab_upper_bound (b);
944 symbols = (asymbol **) xmalloc (symsize);
945 nsyms = bfd_canonicalize_symtab (b, symbols);
947 for (i = 0; i < nsyms; i++)
948 {
949 if (memcmp (symbols[i]->name, "__head_",
950 sizeof ("__head_") - 1))
951 continue;
953 if (pe_dll_extra_pe_debug)
954 printf ("->%s\n", symbols[i]->name);
956 pe_data_import_dll = (char*) (symbols[i]->name +
957 sizeof ("__head_") - 1);
958 break;
959 }
961 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
962 make_import_fixup);
964 /* Let's differentiate it somehow from defined. */
965 undef->type = bfd_link_hash_defweak;
966 /* We replace original name with __imp_ prefixed, this
967 1) may trash memory 2) leads to duplicate symbol generation.
968 Still, IMHO it's better than having name poluted. */
969 undef->root.string = sym->root.string;
970 undef->u.def.value = sym->u.def.value;
971 undef->u.def.section = sym->u.def.section;
972 }
973 }
974 }
975 }
976 #endif /* DLL_SUPPORT */
978 static bfd_boolean
979 pr_sym (h, string)
980 struct bfd_hash_entry *h;
981 PTR string ATTRIBUTE_UNUSED;
982 {
983 if (pe_dll_extra_pe_debug)
984 printf ("+%s\n",h->string);
986 return TRUE;
987 }
990 static void
991 gld_${EMULATION_NAME}_after_open ()
992 {
993 if (pe_dll_extra_pe_debug)
994 {
995 bfd *a;
996 struct bfd_link_hash_entry *sym;
998 printf ("%s()\n", __FUNCTION__);
1000 for (sym = link_info.hash->undefs; sym; sym=sym->next)
1001 printf ("-%s\n", sym->root.string);
1002 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
1004 for (a = link_info.input_bfds; a; a = a->link_next)
1005 printf ("*%s\n",a->filename);
1006 }
1008 /* Pass the wacky PE command line options into the output bfd.
1009 FIXME: This should be done via a function, rather than by
1010 including an internal BFD header. */
1012 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
1013 einfo (_("%F%P: PE operations on non PE file.\n"));
1015 pe_data (output_bfd)->pe_opthdr = pe;
1016 pe_data (output_bfd)->dll = init[DLLOFF].value;
1018 #ifdef DLL_SUPPORT
1019 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1020 pe_fixup_stdcalls ();
1022 pe_process_import_defs (output_bfd, & link_info);
1024 pe_find_data_imports ();
1026 if (link_info.shared)
1027 pe_dll_build_sections (output_bfd, &link_info);
1029 #ifndef TARGET_IS_i386pe
1030 #ifndef TARGET_IS_armpe
1031 else
1032 pe_exe_build_sections (output_bfd, &link_info);
1033 #endif
1034 #endif
1035 #endif
1037 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1038 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1039 {
1040 /* The arm backend needs special fields in the output hash structure.
1041 These will only be created if the output format is an arm format,
1042 hence we do not support linking and changing output formats at the
1043 same time. Use a link followed by objcopy to change output formats. */
1044 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1045 return;
1046 }
1047 {
1048 /* Find a BFD that can hold the interworking stubs. */
1049 LANG_FOR_EACH_INPUT_STATEMENT (is)
1050 {
1051 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
1052 break;
1053 }
1054 }
1055 #endif
1057 {
1058 /* This next chunk of code tries to detect the case where you have
1059 two import libraries for the same DLL (specifically,
1060 symbolically linking libm.a and libc.a in cygwin to
1061 libcygwin.a). In those cases, it's possible for function
1062 thunks from the second implib to be used but without the
1063 head/tail objects, causing an improper import table. We detect
1064 those cases and rename the "other" import libraries to match
1065 the one the head/tail come from, so that the linker will sort
1066 things nicely and produce a valid import table. */
1068 LANG_FOR_EACH_INPUT_STATEMENT (is)
1069 {
1070 if (is->the_bfd->my_archive)
1071 {
1072 int idata2 = 0, reloc_count=0, is_imp = 0;
1073 asection *sec;
1075 /* See if this is an import library thunk. */
1076 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1077 {
1078 if (strcmp (sec->name, ".idata\$2") == 0)
1079 idata2 = 1;
1080 if (strncmp (sec->name, ".idata\$", 7) == 0)
1081 is_imp = 1;
1082 reloc_count += sec->reloc_count;
1083 }
1085 if (is_imp && !idata2 && reloc_count)
1086 {
1087 /* It is, look for the reference to head and see if it's
1088 from our own library. */
1089 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1090 {
1091 int i;
1092 long symsize;
1093 long relsize;
1094 asymbol **symbols;
1095 arelent **relocs;
1096 int nrelocs;
1098 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
1099 if (symsize < 1)
1100 break;
1101 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1102 if (relsize < 1)
1103 break;
1105 symbols = (asymbol **) xmalloc (symsize);
1106 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
1107 if (symsize < 0)
1108 {
1109 einfo ("%X%P: unable to process symbols: %E");
1110 return;
1111 }
1113 relocs = (arelent **) xmalloc ((size_t) relsize);
1114 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1115 relocs, symbols);
1116 if (nrelocs < 0)
1117 {
1118 free (relocs);
1119 einfo ("%X%P: unable to process relocs: %E");
1120 return;
1121 }
1123 for (i = 0; i < nrelocs; i++)
1124 {
1125 struct symbol_cache_entry *s;
1126 struct bfd_link_hash_entry * blhe;
1127 bfd *other_bfd;
1128 char *n;
1130 s = (relocs[i]->sym_ptr_ptr)[0];
1132 if (s->flags & BSF_LOCAL)
1133 continue;
1135 /* Thunk section with reloc to another bfd. */
1136 blhe = bfd_link_hash_lookup (link_info.hash,
1137 s->name,
1138 FALSE, FALSE, TRUE);
1140 if (blhe == NULL
1141 || blhe->type != bfd_link_hash_defined)
1142 continue;
1144 other_bfd = blhe->u.def.section->owner;
1146 if (strcmp (is->the_bfd->my_archive->filename,
1147 other_bfd->my_archive->filename) == 0)
1148 continue;
1150 /* Rename this implib to match the other. */
1151 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
1153 strcpy (n, other_bfd->my_archive->filename);
1155 is->the_bfd->my_archive->filename = n;
1156 }
1158 free (relocs);
1159 /* Note - we do not free the symbols,
1160 they are now cached in the BFD. */
1161 }
1162 }
1163 }
1164 }
1165 }
1167 {
1168 int is_ms_arch = 0;
1169 bfd *cur_arch = 0;
1170 lang_input_statement_type *is2;
1172 /* Careful - this is a shell script. Watch those dollar signs! */
1173 /* Microsoft import libraries have every member named the same,
1174 and not in the right order for us to link them correctly. We
1175 must detect these and rename the members so that they'll link
1176 correctly. There are three types of objects: the head, the
1177 thunks, and the sentinel(s). The head is easy; it's the one
1178 with idata2. We assume that the sentinels won't have relocs,
1179 and the thunks will. It's easier than checking the symbol
1180 table for external references. */
1181 LANG_FOR_EACH_INPUT_STATEMENT (is)
1182 {
1183 if (is->the_bfd->my_archive)
1184 {
1185 bfd *arch = is->the_bfd->my_archive;
1186 if (cur_arch != arch)
1187 {
1188 cur_arch = arch;
1189 is_ms_arch = 1;
1190 for (is2 = is;
1191 is2 && is2->the_bfd->my_archive == arch;
1192 is2 = (lang_input_statement_type *)is2->next)
1193 {
1194 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1195 is_ms_arch = 0;
1196 }
1197 }
1199 if (is_ms_arch)
1200 {
1201 int idata2 = 0, reloc_count=0;
1202 asection *sec;
1203 char *new_name, seq;
1205 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1206 {
1207 if (strcmp (sec->name, ".idata\$2") == 0)
1208 idata2 = 1;
1209 reloc_count += sec->reloc_count;
1210 }
1212 if (idata2) /* .idata2 is the TOC */
1213 seq = 'a';
1214 else if (reloc_count > 0) /* thunks */
1215 seq = 'b';
1216 else /* sentinel */
1217 seq = 'c';
1219 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1220 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1221 is->the_bfd->filename = new_name;
1223 new_name = xmalloc (strlen (is->filename) + 3);
1224 sprintf (new_name, "%s.%c", is->filename, seq);
1225 is->filename = new_name;
1226 }
1227 }
1228 }
1229 }
1230 }
1231 \f
1232 static void
1233 gld_${EMULATION_NAME}_before_allocation ()
1234 {
1235 #ifdef TARGET_IS_ppcpe
1236 /* Here we rummage through the found bfds to collect toc information. */
1237 {
1238 LANG_FOR_EACH_INPUT_STATEMENT (is)
1239 {
1240 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1241 {
1242 /* xgettext:c-format */
1243 einfo (_("Errors encountered processing file %s\n"), is->filename);
1244 }
1245 }
1246 }
1248 /* We have seen it all. Allocate it, and carry on. */
1249 ppc_allocate_toc_section (&link_info);
1250 #endif /* TARGET_IS_ppcpe */
1252 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1253 /* FIXME: we should be able to set the size of the interworking stub
1254 section.
1256 Here we rummage through the found bfds to collect glue
1257 information. FIXME: should this be based on a command line
1258 option? krk@cygnus.com. */
1259 {
1260 LANG_FOR_EACH_INPUT_STATEMENT (is)
1261 {
1262 if (! bfd_arm_pe_process_before_allocation
1263 (is->the_bfd, & link_info, support_old_code))
1264 {
1265 /* xgettext:c-format */
1266 einfo (_("Errors encountered processing file %s for interworking"),
1267 is->filename);
1268 }
1269 }
1270 }
1272 /* We have seen it all. Allocate it, and carry on. */
1273 bfd_arm_pe_allocate_interworking_sections (& link_info);
1274 #endif /* TARGET_IS_armpe */
1275 }
1276 \f
1277 #ifdef DLL_SUPPORT
1278 /* This is called when an input file isn't recognized as a BFD. We
1279 check here for .DEF files and pull them in automatically. */
1281 static int
1282 saw_option (char * option)
1283 {
1284 int i;
1286 for (i = 0; init[i].ptr; i++)
1287 if (strcmp (init[i].symbol, option) == 0)
1288 return init[i].inited;
1289 return 0;
1290 }
1291 #endif /* DLL_SUPPORT */
1293 static bfd_boolean
1294 gld_${EMULATION_NAME}_unrecognized_file (entry)
1295 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1296 {
1297 #ifdef DLL_SUPPORT
1298 const char *ext = entry->filename + strlen (entry->filename) - 4;
1300 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1301 {
1302 if (pe_def_file == 0)
1303 pe_def_file = def_file_empty ();
1305 def_file_parse (entry->filename, pe_def_file);
1307 if (pe_def_file)
1308 {
1309 int i, buflen=0, len;
1310 char *buf;
1312 for (i = 0; i < pe_def_file->num_exports; i++)
1313 {
1314 len = strlen (pe_def_file->exports[i].internal_name);
1315 if (buflen < len + 2)
1316 buflen = len + 2;
1317 }
1319 buf = (char *) xmalloc (buflen);
1321 for (i = 0; i < pe_def_file->num_exports; i++)
1322 {
1323 struct bfd_link_hash_entry *h;
1325 sprintf (buf, "_%s", pe_def_file->exports[i].internal_name);
1327 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1328 if (h == (struct bfd_link_hash_entry *) NULL)
1329 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1330 if (h->type == bfd_link_hash_new)
1331 {
1332 h->type = bfd_link_hash_undefined;
1333 h->u.undef.abfd = NULL;
1334 bfd_link_add_undef (link_info.hash, h);
1335 }
1336 }
1337 free (buf);
1339 /* def_file_print (stdout, pe_def_file); */
1340 if (pe_def_file->is_dll == 1)
1341 link_info.shared = 1;
1343 if (pe_def_file->base_address != (bfd_vma)(-1))
1344 {
1345 pe.ImageBase =
1346 pe_data (output_bfd)->pe_opthdr.ImageBase =
1347 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1348 init[IMAGEBASEOFF].inited = 1;
1349 if (image_base_statement)
1350 image_base_statement->exp =
1351 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1352 }
1354 #if 0
1355 /* Not sure if these *should* be set. */
1356 if (pe_def_file->version_major != -1)
1357 {
1358 pe.MajorImageVersion = pe_def_file->version_major;
1359 pe.MinorImageVersion = pe_def_file->version_minor;
1360 }
1361 #endif
1362 if (pe_def_file->stack_reserve != -1
1363 && ! saw_option ("__size_of_stack_reserve__"))
1364 {
1365 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1366 if (pe_def_file->stack_commit != -1)
1367 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1368 }
1369 if (pe_def_file->heap_reserve != -1
1370 && ! saw_option ("__size_of_heap_reserve__"))
1371 {
1372 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1373 if (pe_def_file->heap_commit != -1)
1374 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1375 }
1376 return TRUE;
1377 }
1378 }
1379 #endif
1380 return FALSE;
1381 }
1383 static bfd_boolean
1384 gld_${EMULATION_NAME}_recognized_file (entry)
1385 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
1386 {
1387 #ifdef DLL_SUPPORT
1388 #ifdef TARGET_IS_i386pe
1389 pe_dll_id_target ("pei-i386");
1390 #endif
1391 #ifdef TARGET_IS_shpe
1392 pe_dll_id_target ("pei-shl");
1393 #endif
1394 #ifdef TARGET_IS_mipspe
1395 pe_dll_id_target ("pei-mips");
1396 #endif
1397 #ifdef TARGET_IS_armpe
1398 pe_dll_id_target ("pei-arm-little");
1399 #endif
1400 if (bfd_get_format (entry->the_bfd) == bfd_object)
1401 {
1402 char fbuf[LD_PATHMAX + 1];
1403 const char *ext;
1405 if (REALPATH (entry->filename, fbuf) == NULL)
1406 strncpy (fbuf, entry->filename, sizeof (fbuf));
1408 ext = fbuf + strlen (fbuf) - 4;
1410 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1411 return pe_implied_import_dll (fbuf);
1412 }
1413 #endif
1414 return FALSE;
1415 }
1417 static void
1418 gld_${EMULATION_NAME}_finish ()
1419 {
1420 #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1421 struct bfd_link_hash_entry * h;
1423 if (thumb_entry_symbol != NULL)
1424 {
1425 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1426 FALSE, FALSE, TRUE);
1428 if (h != (struct bfd_link_hash_entry *) NULL
1429 && (h->type == bfd_link_hash_defined
1430 || h->type == bfd_link_hash_defweak)
1431 && h->u.def.section->output_section != NULL)
1432 {
1433 static char buffer[32];
1434 bfd_vma val;
1436 /* Special procesing is required for a Thumb entry symbol. The
1437 bottom bit of its address must be set. */
1438 val = (h->u.def.value
1439 + bfd_get_section_vma (output_bfd,
1440 h->u.def.section->output_section)
1441 + h->u.def.section->output_offset);
1443 val |= 1;
1445 /* Now convert this value into a string and store it in entry_symbol
1446 where the lang_finish() function will pick it up. */
1447 buffer[0] = '0';
1448 buffer[1] = 'x';
1450 sprintf_vma (buffer + 2, val);
1452 if (entry_symbol.name != NULL && entry_from_cmdline)
1453 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1454 thumb_entry_symbol, entry_symbol.name);
1455 entry_symbol.name = buffer;
1456 }
1457 else
1458 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1459 }
1460 #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1462 #ifdef DLL_SUPPORT
1463 if (link_info.shared)
1464 {
1465 pe_dll_fill_sections (output_bfd, &link_info);
1466 if (pe_implib_filename)
1467 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1468 }
1469 #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
1470 /* ARM doesn't need relocs. */
1471 else
1472 {
1473 pe_exe_fill_sections (output_bfd, &link_info);
1474 }
1475 #endif
1477 if (pe_out_def_filename)
1478 pe_dll_generate_def_file (pe_out_def_filename);
1479 #endif /* DLL_SUPPORT */
1481 /* I don't know where .idata gets set as code, but it shouldn't be. */
1482 {
1483 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1485 if (asec)
1486 {
1487 asec->flags &= ~SEC_CODE;
1488 asec->flags |= SEC_DATA;
1489 }
1490 }
1491 }
1493 \f
1494 /* Find the last output section before given output statement.
1495 Used by place_orphan. */
1497 static asection *
1498 output_prev_sec_find (os)
1499 lang_output_section_statement_type *os;
1500 {
1501 asection *s = (asection *) NULL;
1502 lang_statement_union_type *u;
1503 lang_output_section_statement_type *lookup;
1505 for (u = lang_output_section_statement.head;
1506 u != (lang_statement_union_type *) NULL;
1507 u = lookup->next)
1508 {
1509 lookup = &u->output_section_statement;
1510 if (lookup == os)
1511 return s;
1513 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1514 s = lookup->bfd_section;
1515 }
1517 return NULL;
1518 }
1520 /* Place an orphan section.
1522 We use this to put sections in a reasonable place in the file, and
1523 to ensure that they are aligned as required.
1525 We handle grouped sections here as well. A section named .foo$nn
1526 goes into the output section .foo. All grouped sections are sorted
1527 by name.
1529 Grouped sections for the default sections are handled by the
1530 default linker script using wildcards, and are sorted by
1531 sort_sections. */
1533 struct orphan_save
1534 {
1535 lang_output_section_statement_type *os;
1536 asection **section;
1537 lang_statement_union_type **stmt;
1538 };
1540 static bfd_boolean
1541 gld_${EMULATION_NAME}_place_orphan (file, s)
1542 lang_input_statement_type *file;
1543 asection *s;
1544 {
1545 const char *secname;
1546 char *hold_section_name;
1547 char *dollar = NULL;
1548 const char *ps = NULL;
1549 lang_output_section_statement_type *os;
1550 lang_statement_list_type add_child;
1552 secname = bfd_get_section_name (s->owner, s);
1554 /* Look through the script to see where to place this section. */
1555 hold_section_name = xstrdup (secname);
1556 if (!link_info.relocateable)
1557 {
1558 dollar = strchr (hold_section_name, '$');
1559 if (dollar != NULL)
1560 *dollar = '\0';
1561 }
1563 os = lang_output_section_find (hold_section_name);
1565 lang_list_init (&add_child);
1567 if (os != NULL
1568 && (os->bfd_section == NULL
1569 || ((s->flags ^ os->bfd_section->flags)
1570 & (SEC_LOAD | SEC_ALLOC)) == 0))
1571 {
1572 /* We already have an output section statement with this
1573 name, and its bfd section, if any, has compatible flags. */
1574 lang_add_section (&add_child, s, os, file);
1575 }
1576 else
1577 {
1578 struct orphan_save *place;
1579 static struct orphan_save hold_text;
1580 static struct orphan_save hold_rdata;
1581 static struct orphan_save hold_data;
1582 static struct orphan_save hold_bss;
1583 char *outsecname;
1584 lang_statement_list_type *old;
1585 lang_statement_list_type add;
1586 etree_type *address;
1588 /* Try to put the new output section in a reasonable place based
1589 on the section name and section flags. */
1590 #define HAVE_SECTION(hold, name) \
1591 (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1593 place = NULL;
1594 if ((s->flags & SEC_ALLOC) == 0)
1595 ;
1596 else if ((s->flags & SEC_HAS_CONTENTS) == 0
1597 && HAVE_SECTION (hold_bss, ".bss"))
1598 place = &hold_bss;
1599 else if ((s->flags & SEC_READONLY) == 0
1600 && HAVE_SECTION (hold_data, ".data"))
1601 place = &hold_data;
1602 else if ((s->flags & SEC_CODE) == 0
1603 && (s->flags & SEC_READONLY) != 0
1604 && HAVE_SECTION (hold_rdata, ".rdata"))
1605 place = &hold_rdata;
1606 else if ((s->flags & SEC_READONLY) != 0
1607 && HAVE_SECTION (hold_text, ".text"))
1608 place = &hold_text;
1610 #undef HAVE_SECTION
1612 /* Choose a unique name for the section. This will be needed if
1613 the same section name appears in the input file with
1614 different loadable or allocatable characteristics. */
1615 outsecname = xstrdup (hold_section_name);
1616 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1617 {
1618 unsigned int len;
1619 char *newname;
1620 unsigned int i;
1622 len = strlen (outsecname);
1623 newname = xmalloc (len + 5);
1624 strcpy (newname, outsecname);
1625 i = 0;
1626 do
1627 {
1628 sprintf (newname + len, "%d", i);
1629 ++i;
1630 }
1631 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1633 free (outsecname);
1634 outsecname = newname;
1635 }
1637 /* Start building a list of statements for this section. */
1638 old = stat_ptr;
1639 stat_ptr = &add;
1640 lang_list_init (stat_ptr);
1642 if (config.build_constructors)
1643 {
1644 /* If the name of the section is representable in C, then create
1645 symbols to mark the start and the end of the section. */
1646 for (ps = outsecname; *ps != '\0'; ps++)
1647 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1648 break;
1649 if (*ps == '\0')
1650 {
1651 char *symname;
1652 etree_type *e_align;
1654 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1655 sprintf (symname, "___start_%s", outsecname);
1656 e_align = exp_unop (ALIGN_K,
1657 exp_intop ((bfd_vma) 1 << s->alignment_power));
1658 lang_add_assignment (exp_assop ('=', symname, e_align));
1659 }
1660 }
1662 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1663 address = exp_intop ((bfd_vma) 0);
1664 else
1665 {
1666 /* All sections in an executable must be aligned to a page
1667 boundary. */
1668 address = exp_unop (ALIGN_K,
1669 exp_nameop (NAME, "__section_alignment__"));
1670 }
1672 os = lang_enter_output_section_statement (outsecname, address, 0,
1673 (bfd_vma) 0,
1674 (etree_type *) NULL,
1675 (etree_type *) NULL,
1676 (etree_type *) NULL);
1678 lang_add_section (&add_child, s, os, file);
1680 lang_leave_output_section_statement
1681 ((bfd_vma) 0, "*default*",
1682 (struct lang_output_section_phdr_list *) NULL, NULL);
1684 if (config.build_constructors && *ps == '\0')
1685 {
1686 char *symname;
1688 /* lang_leave_ouput_section_statement resets stat_ptr.
1689 Put stat_ptr back where we want it. */
1690 if (place != NULL)
1691 stat_ptr = &add;
1693 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1694 sprintf (symname, "___stop_%s", outsecname);
1695 lang_add_assignment (exp_assop ('=', symname,
1696 exp_nameop (NAME, ".")));
1697 }
1699 stat_ptr = old;
1701 if (place != NULL && os->bfd_section != NULL)
1702 {
1703 asection *snew, **pps;
1705 snew = os->bfd_section;
1707 /* Shuffle the bfd section list to make the output file look
1708 neater. This is really only cosmetic. */
1709 if (place->section == NULL)
1710 {
1711 asection *bfd_section = place->os->bfd_section;
1713 /* If the output statement hasn't been used to place
1714 any input sections (and thus doesn't have an output
1715 bfd_section), look for the closest prior output statement
1716 having an output section. */
1717 if (bfd_section == NULL)
1718 bfd_section = output_prev_sec_find (place->os);
1720 if (bfd_section != NULL && bfd_section != snew)
1721 place->section = &bfd_section->next;
1722 }
1724 if (place->section != NULL)
1725 {
1726 /* Unlink the section. */
1727 for (pps = &output_bfd->sections;
1728 *pps != snew;
1729 pps = &(*pps)->next)
1730 ;
1731 bfd_section_list_remove (output_bfd, pps);
1733 /* Now tack it on to the "place->os" section list. */
1734 bfd_section_list_insert (output_bfd, place->section, snew);
1735 }
1737 /* Save the end of this list. Further ophans of this type will
1738 follow the one we've just added. */
1739 place->section = &snew->next;
1741 /* The following is non-cosmetic. We try to put the output
1742 statements in some sort of reasonable order here, because
1743 they determine the final load addresses of the orphan
1744 sections. In addition, placing output statements in the
1745 wrong order may require extra segments. For instance,
1746 given a typical situation of all read-only sections placed
1747 in one segment and following that a segment containing all
1748 the read-write sections, we wouldn't want to place an orphan
1749 read/write section before or amongst the read-only ones. */
1750 if (add.head != NULL)
1751 {
1752 if (place->stmt == NULL)
1753 {
1754 /* Put the new statement list right at the head. */
1755 *add.tail = place->os->header.next;
1756 place->os->header.next = add.head;
1757 }
1758 else
1759 {
1760 /* Put it after the last orphan statement we added. */
1761 *add.tail = *place->stmt;
1762 *place->stmt = add.head;
1763 }
1765 /* Fix the global list pointer if we happened to tack our
1766 new list at the tail. */
1767 if (*old->tail == add.head)
1768 old->tail = add.tail;
1770 /* Save the end of this list. */
1771 place->stmt = add.tail;
1772 }
1773 }
1774 }
1776 {
1777 lang_statement_union_type **pl = &os->children.head;
1779 if (dollar != NULL)
1780 {
1781 bfd_boolean found_dollar;
1783 /* The section name has a '$'. Sort it with the other '$'
1784 sections. */
1785 found_dollar = FALSE;
1786 for ( ; *pl != NULL; pl = &(*pl)->header.next)
1787 {
1788 lang_input_section_type *ls;
1789 const char *lname;
1791 if ((*pl)->header.type != lang_input_section_enum)
1792 continue;
1794 ls = &(*pl)->input_section;
1796 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1797 if (strchr (lname, '$') == NULL)
1798 {
1799 if (found_dollar)
1800 break;
1801 }
1802 else
1803 {
1804 found_dollar = TRUE;
1805 if (strcmp (secname, lname) < 0)
1806 break;
1807 }
1808 }
1809 }
1811 if (add_child.head != NULL)
1812 {
1813 add_child.head->header.next = *pl;
1814 *pl = add_child.head;
1815 }
1816 }
1818 free (hold_section_name);
1820 return TRUE;
1821 }
1823 static bfd_boolean
1824 gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
1825 const char * arch ATTRIBUTE_UNUSED;
1826 search_dirs_type * search;
1827 lang_input_statement_type * entry;
1828 {
1829 const char * filename;
1830 char * string;
1832 if (! entry->is_archive)
1833 return FALSE;
1835 filename = entry->filename;
1837 string = (char *) xmalloc (strlen (search->name)
1838 + strlen (filename)
1839 + sizeof "/lib.a.dll"
1840 #ifdef DLL_SUPPORT
1841 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1842 #endif
1843 + 1);
1845 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
1846 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
1848 if (! ldfile_try_open_bfd (string, entry))
1849 {
1850 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
1851 sprintf (string, "%s/%s.dll.a", search->name, filename);
1852 if (! ldfile_try_open_bfd (string, entry))
1853 {
1854 /* Try libfoo.a next. Normally, this would be interpreted as a static
1855 library, but it *could* be an import library. For backwards compatibility,
1856 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1857 or sometimes errors occur when building legacy packages.
1859 Putting libfoo.a here means that in a failure case (i.e. the library
1860 -lfoo is not found) we will search for libfoo.a twice before
1861 giving up -- once here, and once when searching for a "static" lib.
1862 for a "static" lib. */
1863 /* Try "libfoo.a" (import lib, or static lib, but must
1864 take precedence over dll's). */
1865 sprintf (string, "%s/lib%s.a", search->name, filename);
1866 if (! ldfile_try_open_bfd (string, entry))
1867 {
1868 #ifdef DLL_SUPPORT
1869 if (pe_dll_search_prefix)
1870 {
1871 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1872 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
1873 if (! ldfile_try_open_bfd (string, entry))
1874 {
1875 /* Try "libfoo.dll" (default preferred dll name). */
1876 sprintf (string, "%s/lib%s.dll", search->name, filename);
1877 if (! ldfile_try_open_bfd (string, entry))
1878 {
1879 /* Finally, try "foo.dll" (alternate dll name). */
1880 sprintf (string, "%s/%s.dll", search->name, filename);
1881 if (! ldfile_try_open_bfd (string, entry))
1882 {
1883 free (string);
1884 return FALSE;
1885 }
1886 }
1887 }
1888 }
1889 else /* pe_dll_search_prefix not specified. */
1890 #endif
1891 {
1892 /* Try "libfoo.dll" (preferred dll name). */
1893 sprintf (string, "%s/lib%s.dll", search->name, filename);
1894 if (! ldfile_try_open_bfd (string, entry))
1895 {
1896 /* Finally, try "foo.dll" (alternate dll name). */
1897 sprintf (string, "%s/%s.dll", search->name, filename);
1898 if (! ldfile_try_open_bfd (string, entry))
1899 {
1900 free (string);
1901 return FALSE;
1902 }
1903 }
1904 }
1905 }
1906 }
1907 }
1909 entry->filename = string;
1911 return TRUE;
1912 }
1914 static int
1915 gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
1916 char * name;
1917 lang_input_statement_type * entry;
1918 {
1919 return ldfile_open_file_search (name, entry, "", ".lib");
1920 }
1921 \f
1922 static char *
1923 gld_${EMULATION_NAME}_get_script (isfile)
1924 int *isfile;
1925 EOF
1926 # Scripts compiled in.
1927 # sed commands to quote an ld script as a C string.
1928 sc="-f stringify.sed"
1930 cat >>e${EMULATION_NAME}.c <<EOF
1931 {
1932 *isfile = 0;
1934 if (link_info.relocateable && config.build_constructors)
1935 return
1936 EOF
1937 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1938 echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
1939 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1940 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1941 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1942 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1943 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1944 echo ' ; else return' >> e${EMULATION_NAME}.c
1945 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1946 echo '; }' >> e${EMULATION_NAME}.c
1948 cat >>e${EMULATION_NAME}.c <<EOF
1951 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1952 {
1953 gld_${EMULATION_NAME}_before_parse,
1954 syslib_default,
1955 hll_default,
1956 gld_${EMULATION_NAME}_after_parse,
1957 gld_${EMULATION_NAME}_after_open,
1958 after_allocation_default,
1959 set_output_arch_default,
1960 ldemul_default_target,
1961 gld_${EMULATION_NAME}_before_allocation,
1962 gld_${EMULATION_NAME}_get_script,
1963 "${EMULATION_NAME}",
1964 "${OUTPUT_FORMAT}",
1965 gld_${EMULATION_NAME}_finish,
1966 NULL, /* Create output section statements. */
1967 gld_${EMULATION_NAME}_open_dynamic_archive,
1968 gld_${EMULATION_NAME}_place_orphan,
1969 gld_${EMULATION_NAME}_set_symbols,
1970 gld_${EMULATION_NAME}_parse_args,
1971 gld_${EMULATION_NAME}_unrecognized_file,
1972 gld_${EMULATION_NAME}_list_options,
1973 gld_${EMULATION_NAME}_recognized_file,
1974 gld_${EMULATION_NAME}_find_potential_libraries,
1975 NULL /* new_vers_pattern. */
1976 };
1977 EOF