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* emultempl/elf32.em (gld${EMULATION_NAME}_finish): Use NULL instead
[deliverable/binutils-gdb.git] / ld / emultempl / pe.em
CommitLineData
252b5132
RH		 1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3fc90ddb 3if [ -z "$MACHINE" ]; then
86af25fe
L		 4 OUTPUT_ARCH=${ARCH}
5else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7fi
361d94e7
ILT		 8rm -f e${EMULATION_NAME}.c
9(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
c6c37250 10cat >>e${EMULATION_NAME}.c <<EOF
252b5132 11/* This file is part of GLD, the Gnu Linker.
39dcfe18 12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
a2b64bed 13 Free Software Foundation, Inc.
252b5132
RH		 14
15This program is free software; you can redistribute it and/or modify
16it under the terms of the GNU General Public License as published by
17the Free Software Foundation; either version 2 of the License, or
18(at your option) any later version.
19
20This program is distributed in the hope that it will be useful,
21but WITHOUT ANY WARRANTY; without even the implied warranty of
22MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23GNU General Public License for more details.
24
25You should have received a copy of the GNU General Public License
26along with this program; if not, write to the Free Software
27Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28
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
3fc90ddb
AJ		 34 the correct entry point by default. */
35
db09f25b
AM		 36#define TARGET_IS_${EMULATION_NAME}
37
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
47
252b5132
RH		 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 "ldgram.h"
56#include "ldexp.h"
57#include "ldlang.h"
b71e2778 58#include "ldfile.h"
252b5132
RH		 59#include "ldemul.h"
60#include "ldlex.h"
61#include "ldmisc.h"
62#include "ldctor.h"
252b5132 63#include "coff/internal.h"
71add731
ILT		 64
65/* FIXME: This is a BFD internal header file, and we should not be
66 using it here. */
252b5132 67#include "../bfd/libcoff.h"
71add731 68
252b5132 69#include "deffile.h"
1069dd8d 70#include "pe-dll.h"
252b5132 71
14fe918e
L		 72#include <ctype.h>
73
2be9b2c7
ILT		 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 ${OVERRIDE_SECTION_ALIGNMENT}
81#endif
82
c6c37250
DD		 83#if defined(TARGET_IS_i386pe)
84#define DLL_SUPPORT
85#endif
344a211f
NC		 86#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
87#define DLL_SUPPORT
88#endif
c6c37250 89
344a211f 90#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 91#define PE_DEF_SUBSYSTEM 3
344a211f
NC		 92#else
93#undef NT_EXE_IMAGE_BASE
94#undef PE_DEF_SECTION_ALIGNMENT
95#undef PE_DEF_FILE_ALIGNMENT
96#define NT_EXE_IMAGE_BASE 0x00010000
97#ifdef TARGET_IS_armpe
98#define PE_DEF_SECTION_ALIGNMENT 0x00001000
99#define PE_DEF_SUBSYSTEM 9
100#else
101#define PE_DEF_SECTION_ALIGNMENT 0x00000400
102#define PE_DEF_SUBSYSTEM 2
103#endif
104#define PE_DEF_FILE_ALIGNMENT 0x00000200
105#endif
c6c37250 106
252b5132
RH		 107static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
108static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
109static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
110static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
111static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
ae7fb08f
AM		 112static asection *output_prev_sec_find
113 PARAMS ((lang_output_section_statement_type *));
252b5132
RH		 114static boolean gld_${EMULATION_NAME}_place_orphan
115 PARAMS ((lang_input_statement_type *, asection *));
252b5132
RH		 116static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
117static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
6f798e5c 118static void gld_${EMULATION_NAME}_finish PARAMS ((void));
3fc90ddb 119static boolean gld_${EMULATION_NAME}_open_dynamic_archive
690a460e 120 PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
3fc90ddb
AJ		 121static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
122static void set_pe_name PARAMS ((char *, long));
123static void set_pe_subsystem PARAMS ((void));
124static void set_pe_value PARAMS ((char *));
125static void set_pe_stack_heap PARAMS ((char *, char *));
126
127#ifdef DLL_SUPPORT
128static boolean pe_undef_cdecl_match
129 PARAMS ((struct bfd_link_hash_entry *, PTR));
130static void pe_fixup_stdcalls PARAMS ((void));
0d888aac 131static int make_import_fixup PARAMS ((arelent *, asection *));
3fc90ddb
AJ		 132static void pe_find_data_imports PARAMS ((void));
133#endif
134
135static boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR string));
136static boolean gld_${EMULATION_NAME}_unrecognized_file
137 PARAMS ((lang_input_statement_type *));
138static boolean gld_${EMULATION_NAME}_recognized_file
139 PARAMS ((lang_input_statement_type *));
140static int gld_${EMULATION_NAME}_find_potential_libraries
141 PARAMS ((char *, lang_input_statement_type *));
142
252b5132
RH		 143
144static struct internal_extra_pe_aouthdr pe;
145static int dll;
146static int support_old_code = 0;
6f798e5c 147static char * thumb_entry_symbol = NULL;
252b5132
RH		 148static lang_assignment_statement_type *image_base_statement = 0;
149
f0c87f88 150#ifdef DLL_SUPPORT
2ef53d66 151static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
690a460e
NC		 152static char *pe_out_def_filename = NULL;
153static char *pe_implib_filename = NULL;
5f577f7d 154static int pe_enable_auto_image_base = 0;
627427de 155static char *pe_dll_search_prefix = NULL;
f0c87f88 156#endif
252b5132
RH		 157
158extern const char *output_filename;
159
160static void
161gld_${EMULATION_NAME}_before_parse()
162{
86af25fe
L		 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};
db8d4f23 172 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 173#ifdef DLL_SUPPORT
decc3638 174 config.dynamic_link = true;
252b5132 175 config.has_shared = 1;
decc3638 176/* link_info.pei386_auto_import = true; */
344a211f
NC		 177
178#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
179#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
180 lang_add_entry ("WinMainCRTStartup", 1);
181#else
182 lang_add_entry ("_WinMainCRTStartup", 1);
183#endif
184#endif
252b5132
RH		 185#endif
186}
187\f
188/* PE format extra command line options. */
189
190/* Used for setting flags in the PE header. */
191#define OPTION_BASE_FILE (300 + 1)
192#define OPTION_DLL (OPTION_BASE_FILE + 1)
193#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
194#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
195#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
196#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
197#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
198#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
199#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
200#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
201#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
202#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
203#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
204#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
205#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
206#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
207#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
208#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
209#define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
210#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
211#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
212#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
213#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
6f798e5c 214#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
870df5dc
NC		 215#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
216#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
5f577f7d
DD		 217#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
218#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC		 219#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
220#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW		 221#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
222#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
223#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
252b5132 224
1122a5fc 225static struct option longopts[] = {
252b5132
RH		 226 /* PE options */
227 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
228 {"dll", no_argument, NULL, OPTION_DLL},
229 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
3fc90ddb 230 {"heap", required_argument, NULL, OPTION_HEAP},
252b5132
RH		 231 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
232 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
233 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
234 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
235 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
236 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
237 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
238 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
239 {"stack", required_argument, NULL, OPTION_STACK},
240 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
241 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
6f798e5c 242 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
c6c37250 243#ifdef DLL_SUPPORT
252b5132
RH		 244 /* getopt allows abbreviations, so we do this to stop it from treating -o
245 as an abbreviation for this option */
246 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
247 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
248 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
249 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
250 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
251 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
252 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
253 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
254 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
870df5dc
NC		 255 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
256 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
5f577f7d
DD		 257 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
258 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
627427de 259 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
1122a5fc 260 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
decc3638
CW		 261 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
262 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
263 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
252b5132
RH		 264#endif
265 {NULL, no_argument, NULL, 0}
266};
267
268
269/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
270 parameters which may be input from the command line */
271
272typedef struct
273{
274 void *ptr;
275 int size;
276 int value;
277 char *symbol;
278 int inited;
279} definfo;
280
281#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
282
283static definfo init[] =
284{
285 /* imagebase must be first */
286#define IMAGEBASEOFF 0
287 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
288#define DLLOFF 1
1069dd8d 289 {&dll, sizeof(dll), 0, "__dll__", 0},
252b5132
RH		 290 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
291 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
292 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
293 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
294 D(MajorImageVersion,"__major_image_version__", 1),
295 D(MinorImageVersion,"__minor_image_version__", 0),
344a211f
NC		 296#ifdef TARGET_IS_armpe
297 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
298#else
252b5132 299 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
344a211f 300#endif
252b5132 301 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
2be9b2c7 302 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
3763134d 303 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
252b5132
RH		 304 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
305 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
306 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
307 D(LoaderFlags,"__loader_flags__", 0x0),
308 { NULL, 0, 0, NULL, 0 }
309};
310
311static void
312gld_${EMULATION_NAME}_list_options (file)
313 FILE * file;
314{
315 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
316 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
317 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
318 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
319 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
320 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
321 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
322 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
323 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
324 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
325 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
326 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
327 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
328 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
329 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
6f798e5c 330 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
c6c37250 331#ifdef DLL_SUPPORT
252b5132
RH		 332 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
333 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
334 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
335 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols 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"));
0752a404
NC		 340 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
341 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n"));
342 fprintf (file, _(" create __imp_<SYMBOL> as well.\n"));
5f577f7d
DD		 343 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n"));
344 fprintf (file, _(" unless user specifies one\n"));
345 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
627427de
DD		 346 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll witout an\n"));
347 fprintf (file, _(" importlib, use <string><basename>.dll \n"));
348 fprintf (file, _(" in preference to lib<basename>.dll \n"));
decc3638
CW		 349 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n"));
350 fprintf (file, _(" __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-extra-pe-debug Enable verbose debug output when building\n"));
353 fprintf (file, _(" or linking to DLLs (esp. auto-import)\n"));
252b5132
RH		 354#endif
355}
356
357static void
358set_pe_name (name, val)
359 char *name;
360 long val;
361{
362 int i;
363 /* Find the name and set it. */
364 for (i = 0; init[i].ptr; i++)
365 {
366 if (strcmp (name, init[i].symbol) == 0)
367 {
368 init[i].value = val;
369 init[i].inited = 1;
370 return;
371 }
372 }
373 abort();
374}
375
376
377static void
378set_pe_subsystem ()
379{
380 const char *sver;
381 int len;
382 int i;
3fc90ddb 383 static const struct
252b5132
RH		 384 {
385 const char *name;
386 const int value;
387 const char *entry;
388 }
389 v[] =
390 {
2be9b2c7 391 { "native", 1, "NtProcessStartup" },
344a211f 392#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
2be9b2c7 393 { "windows", 2, "WinMainCRTStartup" },
344a211f
NC		 394#else
395 { "windows", 2, "WinMainCRTStartup" },
396#endif
2be9b2c7 397 { "console", 3, "mainCRTStartup" },
252b5132
RH		 398#if 0
399 /* The Microsoft linker does not recognize this. */
400 { "os2", 5, "" },
401#endif
2be9b2c7 402 { "posix", 7, "__PosixProcessStartup"},
344a211f 403 { "wince", 9, "_WinMainCRTStartup" },
252b5132
RH		 404 { 0, 0, 0 }
405 };
406
407 sver = strchr (optarg, ':');
408 if (sver == NULL)
409 len = strlen (optarg);
410 else
411 {
412 char *end;
413
414 len = sver - optarg;
415 set_pe_name ("__major_subsystem_version__",
416 strtoul (sver + 1, &end, 0));
417 if (*end == '.')
418 set_pe_name ("__minor_subsystem_version__",
419 strtoul (end + 1, &end, 0));
420 if (*end != '\0')
421 einfo (_("%P: warning: bad version number in -subsystem option\n"));
422 }
423
424 for (i = 0; v[i].name; i++)
425 {
426 if (strncmp (optarg, v[i].name, len) == 0
427 && v[i].name[len] == '\0')
428 {
2be9b2c7
ILT		 429 const char *initial_symbol_char;
430 const char *entry;
431
252b5132
RH		 432 set_pe_name ("__subsystem__", v[i].value);
433
2be9b2c7
ILT		 434 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
435 if (*initial_symbol_char == '\0')
436 entry = v[i].entry;
437 else
438 {
439 char *alc_entry;
440
441 /* lang_add_entry expects its argument to be permanently
442 allocated, so we don't free this string. */
443 alc_entry = xmalloc (strlen (initial_symbol_char)
444 + strlen (v[i].entry)
445 + 1);
446 strcpy (alc_entry, initial_symbol_char);
447 strcat (alc_entry, v[i].entry);
448 entry = alc_entry;
449 }
450
451 lang_add_entry (entry, 1);
252b5132
RH		 452
453 return;
454 }
455 }
3fc90ddb 456
252b5132
RH		 457 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
458}
459
460
461
462static void
463set_pe_value (name)
464 char *name;
3fc90ddb 465
252b5132
RH		 466{
467 char *end;
3fc90ddb 468
252b5132 469 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 470
252b5132
RH		 471 if (end == optarg)
472 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
473
474 optarg = end;
475}
476
477static void
478set_pe_stack_heap (resname, comname)
479 char *resname;
480 char *comname;
481{
482 set_pe_value (resname);
3fc90ddb 483
252b5132
RH		 484 if (*optarg == ',')
485 {
486 optarg++;
487 set_pe_value (comname);
488 }
489 else if (*optarg)
490 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
491}
492
493
494
495static int
496gld_${EMULATION_NAME}_parse_args(argc, argv)
497 int argc;
498 char **argv;
499{
500 int longind;
501 int optc;
502 int prevoptind = optind;
503 int prevopterr = opterr;
504 int wanterror;
505 static int lastoptind = -1;
506
507 if (lastoptind != optind)
508 opterr = 0;
509 wanterror = opterr;
510
511 lastoptind = optind;
512
513 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
514 opterr = prevopterr;
515
516 switch (optc)
517 {
518 default:
519 if (wanterror)
520 xexit (1);
521 optind = prevoptind;
522 return 0;
523
524 case OPTION_BASE_FILE:
525 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
526 if (link_info.base_file == NULL)
527 {
528 /* xgettext:c-format */
529 fprintf (stderr, _("%s: Can't open base file %s\n"),
530 program_name, optarg);
531 xexit (1);
532 }
533 break;
534
535 /* PE options */
3fc90ddb 536 case OPTION_HEAP:
252b5132
RH		 537 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
538 break;
3fc90ddb 539 case OPTION_STACK:
252b5132
RH		 540 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
541 break;
542 case OPTION_SUBSYSTEM:
543 set_pe_subsystem ();
544 break;
545 case OPTION_MAJOR_OS_VERSION:
546 set_pe_value ("__major_os_version__");
547 break;
548 case OPTION_MINOR_OS_VERSION:
549 set_pe_value ("__minor_os_version__");
550 break;
551 case OPTION_MAJOR_SUBSYSTEM_VERSION:
552 set_pe_value ("__major_subsystem_version__");
553 break;
554 case OPTION_MINOR_SUBSYSTEM_VERSION:
555 set_pe_value ("__minor_subsystem_version__");
556 break;
557 case OPTION_MAJOR_IMAGE_VERSION:
558 set_pe_value ("__major_image_version__");
559 break;
560 case OPTION_MINOR_IMAGE_VERSION:
561 set_pe_value ("__minor_image_version__");
562 break;
563 case OPTION_FILE_ALIGNMENT:
564 set_pe_value ("__file_alignment__");
565 break;
566 case OPTION_SECTION_ALIGNMENT:
567 set_pe_value ("__section_alignment__");
568 break;
569 case OPTION_DLL:
570 set_pe_name ("__dll__", 1);
571 break;
572 case OPTION_IMAGE_BASE:
573 set_pe_value ("__image_base__");
574 break;
575 case OPTION_SUPPORT_OLD_CODE:
576 support_old_code = 1;
577 break;
6f798e5c
NC		 578 case OPTION_THUMB_ENTRY:
579 thumb_entry_symbol = optarg;
580 break;
c6c37250 581#ifdef DLL_SUPPORT
252b5132
RH		 582 case OPTION_OUT_DEF:
583 pe_out_def_filename = xstrdup (optarg);
584 break;
585 case OPTION_EXPORT_ALL:
586 pe_dll_export_everything = 1;
587 break;
588 case OPTION_EXCLUDE_SYMBOLS:
252b5132 589 pe_dll_add_excludes (optarg);
252b5132
RH		 590 break;
591 case OPTION_KILL_ATS:
592 pe_dll_kill_ats = 1;
593 break;
594 case OPTION_STDCALL_ALIASES:
595 pe_dll_stdcall_aliases = 1;
596 break;
597 case OPTION_ENABLE_STDCALL_FIXUP:
598 pe_enable_stdcall_fixup = 1;
599 break;
600 case OPTION_DISABLE_STDCALL_FIXUP:
601 pe_enable_stdcall_fixup = 0;
602 break;
603 case OPTION_IMPLIB_FILENAME:
604 pe_implib_filename = xstrdup (optarg);
605 break;
870df5dc
NC		 606 case OPTION_WARN_DUPLICATE_EXPORTS:
607 pe_dll_warn_dup_exports = 1;
608 break;
609 case OPTION_IMP_COMPAT:
610 pe_dll_compat_implib = 1;
611 break;
5f577f7d
DD		 612 case OPTION_ENABLE_AUTO_IMAGE_BASE:
613 pe_enable_auto_image_base = 1;
614 break;
615 case OPTION_DISABLE_AUTO_IMAGE_BASE:
616 pe_enable_auto_image_base = 0;
617 break;
627427de
DD		 618 case OPTION_DLL_SEARCH_PREFIX:
619 pe_dll_search_prefix = xstrdup( optarg );
620 break;
1122a5fc
NC		 621 case OPTION_NO_DEFAULT_EXCLUDES:
622 pe_dll_do_default_excludes = 0;
623 break;
decc3638
CW		 624 case OPTION_DLL_ENABLE_AUTO_IMPORT:
625 link_info.pei386_auto_import = true;
626 break;
627 case OPTION_DLL_DISABLE_AUTO_IMPORT:
628 link_info.pei386_auto_import = false;
629 break;
630 case OPTION_ENABLE_EXTRA_PE_DEBUG:
631 pe_dll_extra_pe_debug = 1;
632 break;
c6c37250 633#endif
252b5132
RH		 634 }
635 return 1;
636}
637\f
5f577f7d 638
2ef53d66 639#ifdef DLL_SUPPORT
3fc90ddb 640static unsigned long
5f577f7d
DD		 641strhash (const char *str)
642{
643 const unsigned char *s;
644 unsigned long hash;
645 unsigned int c;
646 unsigned int len;
647
648 hash = 0;
649 len = 0;
650 s = (const unsigned char *) str;
651 while ((c = *s++) != '\0')
652 {
653 hash += c + (c << 17);
654 hash ^= hash >> 2;
655 ++len;
656 }
657 hash += len + (len << 17);
658 hash ^= hash >> 2;
659
660 return hash;
661}
662
663/* Use the output file to create a image base for relocatable DLLs. */
664static unsigned long
665compute_dll_image_base (const char *ofile)
666{
667 unsigned long hash = strhash (ofile);
668 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
669}
2ef53d66 670#endif
5f577f7d 671
252b5132
RH		 672/* Assign values to the special symbols before the linker script is
673 read. */
674
675static void
676gld_${EMULATION_NAME}_set_symbols ()
677{
678 /* Run through and invent symbols for all the
679 names and insert the defaults. */
680 int j;
681 lang_statement_list_type *save;
682
683 if (!init[IMAGEBASEOFF].inited)
684 {
685 if (link_info.relocateable)
686 init[IMAGEBASEOFF].value = 0;
687 else if (init[DLLOFF].value || link_info.shared)
2ef53d66 688#ifdef DLL_SUPPORT
5f577f7d
DD		 689 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
690 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
2ef53d66
L		 691#else
692 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
693#endif
252b5132
RH		 694 else
695 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
696 }
697
698 /* Don't do any symbol assignments if this is a relocateable link. */
699 if (link_info.relocateable)
700 return;
701
702 /* Glue the assignments into the abs section */
703 save = stat_ptr;
704
705 stat_ptr = &(abs_output_section->children);
706
707 for (j = 0; init[j].ptr; j++)
708 {
709 long val = init[j].value;
710 lang_assignment_statement_type *rv;
711 rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
712 if (init[j].size == sizeof(short))
713 *(short *)init[j].ptr = val;
714 else if (init[j].size == sizeof(int))
715 *(int *)init[j].ptr = val;
716 else if (init[j].size == sizeof(long))
717 *(long *)init[j].ptr = val;
718 /* This might be a long long or other special type. */
719 else if (init[j].size == sizeof(bfd_vma))
720 *(bfd_vma *)init[j].ptr = val;
721 else abort();
722 if (j == IMAGEBASEOFF)
723 image_base_statement = rv;
724 }
725 /* Restore the pointer. */
726 stat_ptr = save;
3fc90ddb 727
252b5132
RH		 728 if (pe.FileAlignment >
729 pe.SectionAlignment)
730 {
731 einfo (_("%P: warning, file alignment > section alignment.\n"));
732 }
733}
734
735/* This is called after the linker script and the command line options
736 have been read. */
737
738static void
739gld_${EMULATION_NAME}_after_parse ()
740{
741 /* The Windows libraries are designed for the linker to treat the
742 entry point as an undefined symbol. Otherwise, the .obj that
743 defines mainCRTStartup is brought in because it is the first
744 encountered in libc.lib and it has other symbols in it which will
745 be pulled in by the link process. To avoid this, we act as
746 though the user specified -u with the entry point symbol.
747
748 This function is called after the linker script and command line
749 options have been read, so at this point we know the right entry
750 point. This function is called before the input files are
751 opened, so registering the symbol as undefined will make a
752 difference. */
753
2a275620 754 if (! link_info.relocateable && entry_symbol != NULL)
252b5132
RH		 755 ldlang_add_undef (entry_symbol);
756}
757
aa3d9aba
NC		 758/* pe-dll.c directly accesses pe_data_import_dll,
759 so it must be defined outside of #ifdef DLL_SUPPORT.
760 Note - this variable is deliberately not initialised.
761 This allows it to be treated as a common varaible, and only
762 exist in one incarnation in a multiple target enabled linker. */
763char * pe_data_import_dll;
72358f65 764
2ef53d66 765#ifdef DLL_SUPPORT
252b5132
RH		 766static struct bfd_link_hash_entry *pe_undef_found_sym;
767
768static boolean
769pe_undef_cdecl_match (h, string)
770 struct bfd_link_hash_entry *h;
771 PTR string;
772{
decc3638
CW		 773 int sl;
774 sl = strlen (string); /* silence compiler warning */
252b5132
RH		 775 if (h->type == bfd_link_hash_defined
776 && strncmp (h->root.string, string, sl) == 0
777 && h->root.string[sl] == '@')
decc3638
CW		 778 {
779 pe_undef_found_sym = h;
780 return false;
781 }
252b5132
RH		 782 return true;
783}
784
785static void
786pe_fixup_stdcalls ()
787{
788 static int gave_warning_message = 0;
789 struct bfd_link_hash_entry *undef, *sym;
790 char *at;
3fc90ddb 791 if (pe_dll_extra_pe_debug)
decc3638
CW		 792 {
793 printf ("%s\n", __FUNCTION__);
794 }
3fc90ddb 795
252b5132
RH		 796 for (undef = link_info.hash->undefs; undef; undef=undef->next)
797 if (undef->type == bfd_link_hash_undefined)
798 {
799 at = strchr (undef->root.string, '@');
800 if (at)
801 {
802 /* The symbol is a stdcall symbol, so let's look for a cdecl
803 symbol with the same name and resolve to that */
804 char *cname = xstrdup (undef->root.string);
805 at = strchr (cname, '@');
806 *at = 0;
807 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
808 if (sym && sym->type == bfd_link_hash_defined)
809 {
810 undef->type = bfd_link_hash_defined;
811 undef->u.def.value = sym->u.def.value;
812 undef->u.def.section = sym->u.def.section;
813 if (pe_enable_stdcall_fixup == -1)
814 {
815 einfo (_("Warning: resolving %s by linking to %s\n"),
816 undef->root.string, cname);
817 if (! gave_warning_message)
818 {
819 gave_warning_message = 1;
820 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
821 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
822 }
823 }
824 }
825 }
826 else
827 {
828 /* The symbol is a cdecl symbol, so we look for stdcall
829 symbols - which means scanning the whole symbol table */
830 pe_undef_found_sym = 0;
831 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
832 (PTR) undef->root.string);
833 sym = pe_undef_found_sym;
834 if (sym)
835 {
836 undef->type = bfd_link_hash_defined;
837 undef->u.def.value = sym->u.def.value;
838 undef->u.def.section = sym->u.def.section;
839 if (pe_enable_stdcall_fixup == -1)
840 {
841 einfo (_("Warning: resolving %s by linking to %s\n"),
842 undef->root.string, sym->root.string);
843 if (! gave_warning_message)
844 {
845 gave_warning_message = 1;
846 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
847 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
848 }
849 }
850 }
851 }
852 }
853}
decc3638
CW		 854
855static int
0d888aac 856make_import_fixup (rel, s)
decc3638 857 arelent *rel;
0d888aac 858 asection *s;
decc3638
CW		 859{
860 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
decc3638 861
3fc90ddb 862 if (pe_dll_extra_pe_debug)
decc3638 863 {
db09f25b
AM		 864 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
865 (long) rel->address, (long) rel->addend);
decc3638 866 }
0d888aac
CW		 867
868 {
869 int addend = 0;
870 if (!bfd_get_section_contents(s->owner, s, &addend, rel->address, sizeof(addend)))
871 {
872 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
873 s->owner, s, rel->address);
874 }
875
876 if (addend == 0)
877 pe_create_import_fixup (rel);
878 else
879 {
880 einfo (_("%C: variable '%T' can't be auto-imported. Please read the documentation for ld's --enable-auto-import for details.\n"),
881 s->owner, s, rel->address, sym->name);
882 einfo ("%X");
883 }
884 }
885
decc3638
CW		 886 return 1;
887}
888
decc3638
CW		 889static void
890pe_find_data_imports ()
891{
892 struct bfd_link_hash_entry *undef, *sym;
893 for (undef = link_info.hash->undefs; undef; undef=undef->next)
894 {
895 if (undef->type == bfd_link_hash_undefined)
896 {
897 /* C++ symbols are *long* */
898 char buf[4096];
3fc90ddb 899 if (pe_dll_extra_pe_debug)
decc3638
CW		 900 {
901 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
902 }
903 sprintf (buf, "__imp_%s", undef->root.string);
904
905 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
906 if (sym && sym->type == bfd_link_hash_defined)
907 {
908 einfo (_("Warning: resolving %s by linking to %s (auto-import)\n"),
909 undef->root.string, buf);
3fc90ddb 910 {
decc3638
CW		 911 bfd *b = sym->u.def.section->owner;
912 asymbol **symbols;
913 int nsyms, symsize, i;
3fc90ddb 914
decc3638
CW		 915 symsize = bfd_get_symtab_upper_bound (b);
916 symbols = (asymbol **) xmalloc (symsize);
917 nsyms = bfd_canonicalize_symtab (b, symbols);
918
919 for (i = 0; i < nsyms; i++)
920 {
3fc90ddb 921 if (memcmp(symbols[i]->name, "__head_",
decc3638
CW		 922 sizeof ("__head_") - 1))
923 continue;
924 if (pe_dll_extra_pe_debug)
925 {
926 printf ("->%s\n", symbols[i]->name);
927 }
3fc90ddb 928 pe_data_import_dll = (char*) (symbols[i]->name +
decc3638
CW		 929 sizeof ("__head_") - 1);
930 break;
931 }
932 }
933
3fc90ddb 934 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
decc3638
CW		 935 make_import_fixup);
936
937 /* let's differentiate it somehow from defined */
938 undef->type = bfd_link_hash_defweak;
939 /* we replace original name with __imp_ prefixed, this
940 1) may trash memory 2) leads to duplicate symbol generation.
941 Still, IMHO it's better than having name poluted. */
942 undef->root.string = sym->root.string;
943 undef->u.def.value = sym->u.def.value;
944 undef->u.def.section = sym->u.def.section;
945 }
946 }
947 }
948}
f0c87f88 949#endif /* DLL_SUPPORT */
252b5132 950
decc3638
CW		 951static boolean
952pr_sym (h, string)
953 struct bfd_hash_entry *h;
3fc90ddb 954 PTR string ATTRIBUTE_UNUSED;
decc3638 955{
3fc90ddb 956 if (pe_dll_extra_pe_debug)
decc3638
CW		 957 {
958 printf("+%s\n",h->string);
959 }
960 return true;
961}
962
963
252b5132
RH		 964static void
965gld_${EMULATION_NAME}_after_open ()
966{
decc3638 967
3fc90ddb 968 if (pe_dll_extra_pe_debug)
decc3638
CW		 969 {
970 bfd *a;
971 struct bfd_link_hash_entry *sym;
972 printf ("%s()\n", __FUNCTION__);
973
974 for (sym = link_info.hash->undefs; sym; sym=sym->next)
975 printf ("-%s\n", sym->root.string);
976 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
977
978 for (a = link_info.input_bfds; a; a = a->link_next)
979 {
980 printf("*%s\n",a->filename);
981 }
982 }
3fc90ddb 983
252b5132
RH		 984 /* Pass the wacky PE command line options into the output bfd.
985 FIXME: This should be done via a function, rather than by
986 including an internal BFD header. */
3fc90ddb 987
db09f25b 988 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
252b5132
RH		 989 einfo (_("%F%P: PE operations on non PE file.\n"));
990
991 pe_data (output_bfd)->pe_opthdr = pe;
992 pe_data (output_bfd)->dll = init[DLLOFF].value;
993
c6c37250 994#ifdef DLL_SUPPORT
252b5132
RH		 995 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
996 pe_fixup_stdcalls ();
997
3fc90ddb 998 pe_find_data_imports ();
decc3638 999
252b5132
RH		 1000 pe_process_import_defs(output_bfd, &link_info);
1001 if (link_info.shared)
1002 pe_dll_build_sections (output_bfd, &link_info);
344a211f
NC		 1003
1004#ifndef TARGET_IS_i386pe
1005#ifndef TARGET_IS_armpe
1006 else
1007 pe_exe_build_sections (output_bfd, &link_info);
1008#endif
1009#endif
252b5132
RH		 1010#endif
1011
626e0105 1012#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
f11523b0
NC		 1013 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1014 {
1015 /* The arm backend needs special fields in the output hash structure.
1016 These will only be created if the output format is an arm format,
1017 hence we do not support linking and changing output formats at the
1018 same time. Use a link followed by objcopy to change output formats. */
1019 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1020 return;
1021 }
252b5132
RH		 1022 {
1023 /* Find a BFD that can hold the interworking stubs. */
1024 LANG_FOR_EACH_INPUT_STATEMENT (is)
1025 {
46d23b7c 1026 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH		 1027 break;
1028 }
1029 }
1030#endif
c6c37250 1031
486e80e2 1032 {
486e80e2
DD		 1033 /* This next chunk of code tries to detect the case where you have
1034 two import libraries for the same DLL (specifically,
1035 symbolically linking libm.a and libc.a in cygwin to
1036 libcygwin.a). In those cases, it's possible for function
1037 thunks from the second implib to be used but without the
1038 head/tail objects, causing an improper import table. We detect
1039 those cases and rename the "other" import libraries to match
1040 the one the head/tail come from, so that the linker will sort
1041 things nicely and produce a valid import table. */
1042
1043 LANG_FOR_EACH_INPUT_STATEMENT (is)
1044 {
1045 if (is->the_bfd->my_archive)
1046 {
1047 int idata2 = 0, reloc_count=0, is_imp = 0;
1048 asection *sec;
3fc90ddb 1049
6e45556a 1050 /* See if this is an import library thunk. */
486e80e2
DD		 1051 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1052 {
1053 if (strcmp (sec->name, ".idata\$2") == 0)
1054 idata2 = 1;
1055 if (strncmp (sec->name, ".idata\$", 7) == 0)
1056 is_imp = 1;
1057 reloc_count += sec->reloc_count;
1058 }
3fc90ddb 1059
486e80e2
DD		 1060 if (is_imp && !idata2 && reloc_count)
1061 {
6e45556a
NC		 1062 /* It is, look for the reference to head and see if it's
1063 from our own library. */
486e80e2
DD		 1064 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1065 {
1066 int i;
6e45556a
NC		 1067 long symsize;
1068 long relsize;
102c86f8 1069 asymbol **symbols;
102c86f8
NC		 1070 arelent **relocs;
1071 int nrelocs;
3fc90ddb 1072
102c86f8 1073 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
6e45556a
NC		 1074 if (symsize < 1)
1075 break;
102c86f8 1076 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC		 1077 if (relsize < 1)
1078 break;
3fc90ddb 1079
6e45556a 1080 symbols = (asymbol **) xmalloc (symsize);
3fc90ddb 1081 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
6e45556a
NC		 1082 if (symsize < 0)
1083 {
1084 einfo ("%X%P: unable to process symbols: %E");
1085 return;
1086 }
3fc90ddb 1087
102c86f8
NC		 1088 relocs = (arelent **) xmalloc ((size_t) relsize);
1089 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
486e80e2 1090 relocs, symbols);
6e45556a
NC		 1091 if (nrelocs < 0)
1092 {
1093 free (relocs);
1094 einfo ("%X%P: unable to process relocs: %E");
1095 return;
1096 }
3fc90ddb 1097
6e45556a 1098 for (i = 0; i < nrelocs; i++)
486e80e2
DD		 1099 {
1100 struct symbol_cache_entry *s;
6e45556a
NC		 1101 struct bfd_link_hash_entry * blhe;
1102 bfd *other_bfd;
1103 char *n;
3fc90ddb 1104
486e80e2 1105 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1106
6e45556a
NC		 1107 if (s->flags & BSF_LOCAL)
1108 continue;
3fc90ddb 1109
6e45556a
NC		 1110 /* Thunk section with reloc to another bfd. */
1111 blhe = bfd_link_hash_lookup (link_info.hash,
1112 s->name,
1113 false, false, true);
3fc90ddb 1114
6e45556a
NC		 1115 if (blhe == NULL
1116 || blhe->type != bfd_link_hash_defined)
1117 continue;
3fc90ddb 1118
6e45556a 1119 other_bfd = blhe->u.def.section->owner;
3fc90ddb 1120
6e45556a
NC		 1121 if (strcmp (is->the_bfd->my_archive->filename,
1122 other_bfd->my_archive->filename) == 0)
1123 continue;
3fc90ddb 1124
6e45556a
NC		 1125 /* Rename this implib to match the other. */
1126 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
3fc90ddb 1127
6e45556a 1128 strcpy (n, other_bfd->my_archive->filename);
3fc90ddb 1129
6e45556a 1130 is->the_bfd->my_archive->filename = n;
486e80e2
DD		 1131 }
1132
1133 free (relocs);
6e45556a
NC		 1134 /* Note - we do not free the symbols,
1135 they are now cached in the BFD. */
486e80e2
DD		 1136 }
1137 }
1138 }
1139 }
1140 }
1141
c6c37250 1142 {
f0c87f88 1143 int is_ms_arch = 0;
1069dd8d 1144 bfd *cur_arch = 0;
c6c37250 1145 lang_input_statement_type *is2;
1069dd8d 1146
c6c37250
DD		 1147 /* Careful - this is a shell script. Watch those dollar signs! */
1148 /* Microsoft import libraries have every member named the same,
1149 and not in the right order for us to link them correctly. We
1150 must detect these and rename the members so that they'll link
1151 correctly. There are three types of objects: the head, the
1152 thunks, and the sentinel(s). The head is easy; it's the one
1153 with idata2. We assume that the sentinels won't have relocs,
1154 and the thunks will. It's easier than checking the symbol
1069dd8d 1155 table for external references. */
c6c37250
DD		 1156 LANG_FOR_EACH_INPUT_STATEMENT (is)
1157 {
1158 if (is->the_bfd->my_archive)
1159 {
1160 bfd *arch = is->the_bfd->my_archive;
1161 if (cur_arch != arch)
1162 {
1163 cur_arch = arch;
1164 is_ms_arch = 1;
1165 for (is2 = is;
1166 is2 && is2->the_bfd->my_archive == arch;
1167 is2 = (lang_input_statement_type *)is2->next)
1168 {
1169 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1170 is_ms_arch = 0;
1171 }
1172 }
1173
1174 if (is_ms_arch)
1175 {
1069dd8d 1176 int idata2 = 0, reloc_count=0;
c6c37250
DD		 1177 asection *sec;
1178 char *new_name, seq;
1069dd8d 1179
c6c37250
DD		 1180 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1181 {
1182 if (strcmp (sec->name, ".idata\$2") == 0)
1183 idata2 = 1;
1184 reloc_count += sec->reloc_count;
1185 }
1186
1187 if (idata2) /* .idata2 is the TOC */
1188 seq = 'a';
1189 else if (reloc_count > 0) /* thunks */
1190 seq = 'b';
1191 else /* sentinel */
1192 seq = 'c';
1193
e4e24acb 1194 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD		 1195 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1196 is->the_bfd->filename = new_name;
1197
690a460e 1198 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD		 1199 sprintf (new_name, "%s.%c", is->filename, seq);
1200 is->filename = new_name;
1201 }
1202 }
1203 }
1204 }
252b5132
RH		 1205}
1206\f
3fc90ddb 1207static void
252b5132
RH		 1208gld_${EMULATION_NAME}_before_allocation()
1209{
1210#ifdef TARGET_IS_ppcpe
1211 /* Here we rummage through the found bfds to collect toc information */
1212 {
1213 LANG_FOR_EACH_INPUT_STATEMENT (is)
1214 {
1215 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1216 {
1217 /* xgettext:c-format */
1218 einfo (_("Errors encountered processing file %s\n"), is->filename);
1219 }
1220 }
1221 }
1222
1223 /* We have seen it all. Allocate it, and carry on */
1224 ppc_allocate_toc_section (&link_info);
1225#endif /* TARGET_IS_ppcpe */
1226
626e0105 1227#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
252b5132
RH		 1228 /* FIXME: we should be able to set the size of the interworking stub
1229 section.
1230
1231 Here we rummage through the found bfds to collect glue
1232 information. FIXME: should this be based on a command line
1233 option? krk@cygnus.com */
1234 {
1235 LANG_FOR_EACH_INPUT_STATEMENT (is)
1236 {
46d23b7c 1237 if (! bfd_arm_pe_process_before_allocation
252b5132
RH		 1238 (is->the_bfd, & link_info, support_old_code))
1239 {
1240 /* xgettext:c-format */
1241 einfo (_("Errors encountered processing file %s for interworking"),
1242 is->filename);
1243 }
1244 }
1245 }
1246
1247 /* We have seen it all. Allocate it, and carry on */
46d23b7c 1248 bfd_arm_pe_allocate_interworking_sections (& link_info);
252b5132
RH		 1249#endif /* TARGET_IS_armpe */
1250}
1251\f
690a460e 1252#ifdef DLL_SUPPORT
252b5132
RH		 1253/* This is called when an input file isn't recognized as a BFD. We
1254 check here for .DEF files and pull them in automatically. */
690a460e 1255
252b5132
RH		 1256static int
1257saw_option(char *option)
1258{
1259 int i;
1260 for (i=0; init[i].ptr; i++)
1261 if (strcmp (init[i].symbol, option) == 0)
1262 return init[i].inited;
1263 return 0;
1264}
690a460e 1265#endif /* DLL_SUPPORT */
252b5132
RH		 1266
1267static boolean
1268gld_${EMULATION_NAME}_unrecognized_file(entry)
f0c87f88 1269 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1270{
c6c37250 1271#ifdef DLL_SUPPORT
252b5132
RH		 1272 const char *ext = entry->filename + strlen (entry->filename) - 4;
1273
1274 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1275 {
1276 if (pe_def_file == 0)
1277 pe_def_file = def_file_empty ();
1278 def_file_parse (entry->filename, pe_def_file);
1279 if (pe_def_file)
1280 {
1281 int i, buflen=0, len;
1282 char *buf;
1283 for (i=0; i<pe_def_file->num_exports; i++)
1284 {
1285 len = strlen(pe_def_file->exports[i].internal_name);
1286 if (buflen < len+2)
1287 buflen = len+2;
1288 }
1289 buf = (char *) xmalloc (buflen);
1290 for (i=0; i<pe_def_file->num_exports; i++)
1291 {
1292 struct bfd_link_hash_entry *h;
1293 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
1294
1295 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
1296 if (h == (struct bfd_link_hash_entry *) NULL)
1297 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1298 if (h->type == bfd_link_hash_new)
1299 {
1300 h->type = bfd_link_hash_undefined;
1301 h->u.undef.abfd = NULL;
1302 bfd_link_add_undef (link_info.hash, h);
1303 }
1304 }
1305 free (buf);
1306
1307 /* def_file_print (stdout, pe_def_file); */
1308 if (pe_def_file->is_dll == 1)
1309 link_info.shared = 1;
1310
1311 if (pe_def_file->base_address != (bfd_vma)(-1))
1312 {
1313 pe.ImageBase =
1314 pe_data (output_bfd)->pe_opthdr.ImageBase =
1315 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1316 init[IMAGEBASEOFF].inited = 1;
1317 if (image_base_statement)
1318 image_base_statement->exp =
1319 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1320 }
1321
1322#if 0
1323 /* Not sure if these *should* be set */
1324 if (pe_def_file->version_major != -1)
1325 {
1326 pe.MajorImageVersion = pe_def_file->version_major;
1327 pe.MinorImageVersion = pe_def_file->version_minor;
1328 }
1329#endif
1330 if (pe_def_file->stack_reserve != -1
1331 && ! saw_option ("__size_of_stack_reserve__"))
1332 {
1333 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1334 if (pe_def_file->stack_commit != -1)
1335 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1336 }
1337 if (pe_def_file->heap_reserve != -1
1338 && ! saw_option ("__size_of_heap_reserve__"))
1339 {
1340 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1341 if (pe_def_file->heap_commit != -1)
1342 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1343 }
1344 return true;
1345 }
1346 }
1347#endif
1348 return false;
3fc90ddb 1349
252b5132
RH		 1350}
1351
1352static boolean
1353gld_${EMULATION_NAME}_recognized_file(entry)
f0c87f88 1354 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1355{
c6c37250 1356#ifdef DLL_SUPPORT
252b5132 1357#ifdef TARGET_IS_i386pe
c6c37250 1358 pe_dll_id_target ("pei-i386");
344a211f
NC		 1359#endif
1360#ifdef TARGET_IS_shpe
1361 pe_dll_id_target ("pei-shl");
1362#endif
1363#ifdef TARGET_IS_mipspe
1364 pe_dll_id_target ("pei-mips");
1365#endif
1366#ifdef TARGET_IS_armpe
1367 pe_dll_id_target ("pei-arm-little");
c6c37250 1368#endif
252b5132
RH		 1369 if (bfd_get_format (entry->the_bfd) == bfd_object)
1370 {
1371 const char *ext = entry->filename + strlen (entry->filename) - 4;
1372 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1373 return pe_implied_import_dll (entry->filename);
1374 }
1375#endif
1376 return false;
1377}
1378
1379static void
1380gld_${EMULATION_NAME}_finish ()
1381{
6f798e5c
NC		 1382#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1383 struct bfd_link_hash_entry * h;
1384
1385 if (thumb_entry_symbol != NULL)
1386 {
1387 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
3fc90ddb 1388
6f798e5c
NC		 1389 if (h != (struct bfd_link_hash_entry *) NULL
1390 && (h->type == bfd_link_hash_defined
1391 || h->type == bfd_link_hash_defweak)
1392 && h->u.def.section->output_section != NULL)
1393 {
1394 static char buffer[32];
1395 bfd_vma val;
3fc90ddb 1396
6f798e5c
NC		 1397 /* Special procesing is required for a Thumb entry symbol. The
1398 bottom bit of its address must be set. */
1399 val = (h->u.def.value
1400 + bfd_get_section_vma (output_bfd,
1401 h->u.def.section->output_section)
1402 + h->u.def.section->output_offset);
3fc90ddb 1403
6f798e5c 1404 val |= 1;
3fc90ddb 1405
6f798e5c
NC		 1406 /* Now convert this value into a string and store it in entry_symbol
1407 where the lang_finish() function will pick it up. */
1408 buffer[0] = '0';
1409 buffer[1] = 'x';
3fc90ddb 1410
6f798e5c 1411 sprintf_vma (buffer + 2, val);
3fc90ddb 1412
6f798e5c
NC		 1413 if (entry_symbol != NULL && entry_from_cmdline)
1414 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1415 thumb_entry_symbol, entry_symbol);
1416 entry_symbol = buffer;
1417 }
1418 else
1419 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1420 }
1421#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1422
c6c37250 1423#ifdef DLL_SUPPORT
252b5132
RH		 1424 if (link_info.shared)
1425 {
1426 pe_dll_fill_sections (output_bfd, &link_info);
1427 if (pe_implib_filename)
1428 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1429 }
344a211f 1430#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
690a460e 1431 /* ARM doesn't need relocs. */
344a211f
NC		 1432 else
1433 {
1434 pe_exe_fill_sections (output_bfd, &link_info);
1435 }
1436#endif
3fc90ddb 1437
252b5132
RH		 1438 if (pe_out_def_filename)
1439 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1440#endif /* DLL_SUPPORT */
decc3638
CW		 1441
1442 /* I don't know where .idata gets set as code, but it shouldn't be */
1443 {
1444 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1445 if (asec)
1446 {
1447 asec->flags &= ~SEC_CODE;
1448 asec->flags |= SEC_DATA;
1449 }
1450 }
252b5132
RH		 1451}
1452
1453\f
ae7fb08f
AM		 1454/* Find the last output section before given output statement.
1455 Used by place_orphan. */
1456
1457static asection *
1458output_prev_sec_find (os)
1459 lang_output_section_statement_type *os;
1460{
1461 asection *s = (asection *) NULL;
1462 lang_statement_union_type *u;
1463 lang_output_section_statement_type *lookup;
1464
1465 for (u = lang_output_section_statement.head;
1466 u != (lang_statement_union_type *) NULL;
1467 u = lookup->next)
1468 {
1469 lookup = &u->output_section_statement;
1470 if (lookup == os)
1471 return s;
1472
1473 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1474 s = lookup->bfd_section;
1475 }
1476
1477 return NULL;
1478}
1479
252b5132
RH		 1480/* Place an orphan section.
1481
1482 We use this to put sections in a reasonable place in the file, and
1483 to ensure that they are aligned as required.
1484
1485 We handle grouped sections here as well. A section named .foo$nn
1486 goes into the output section .foo. All grouped sections are sorted
1487 by name.
1488
1489 Grouped sections for the default sections are handled by the
1490 default linker script using wildcards, and are sorted by
1491 sort_sections. */
1492
6a345e87
AM		 1493struct orphan_save
1494{
1495 lang_output_section_statement_type *os;
5ba47421 1496 asection **section;
6a345e87
AM		 1497 lang_statement_union_type **stmt;
1498};
252b5132
RH		 1499
1500/*ARGSUSED*/
1501static boolean
1502gld_${EMULATION_NAME}_place_orphan (file, s)
1503 lang_input_statement_type *file;
1504 asection *s;
1505{
1506 const char *secname;
aea4bd9d 1507 char *hold_section_name;
f0c87f88 1508 char *dollar = NULL;
2e418547 1509 const char *ps = NULL;
aea4bd9d 1510 lang_output_section_statement_type *os;
5ba47421 1511 lang_statement_list_type add_child;
252b5132 1512
252b5132
RH		 1513 secname = bfd_get_section_name (s->owner, s);
1514
1515 /* Look through the script to see where to place this section. */
1516
252b5132 1517 hold_section_name = xstrdup (secname);
6eec49fc
DD		 1518 if (!link_info.relocateable)
1519 {
1520 dollar = strchr (hold_section_name, '$');
1521 if (dollar != NULL)
1522 *dollar = '\0';
1523 }
252b5132 1524
aea4bd9d 1525 os = lang_output_section_find (hold_section_name);
252b5132 1526
5ba47421
AM		 1527 lang_list_init (&add_child);
1528
aea4bd9d 1529 if (os != NULL
ae7fb08f
AM		 1530 && (os->bfd_section == NULL
1531 || ((s->flags ^ os->bfd_section->flags)
1532 & (SEC_LOAD | SEC_ALLOC)) == 0))
5ba47421 1533 {
ae7fb08f
AM		 1534 /* We already have an output section statement with this
1535 name, and its bfd section, if any, has compatible flags. */
39dcfe18 1536 lang_add_section (&add_child, s, os, file);
5ba47421
AM		 1537 }
1538 else
252b5132 1539 {
6a345e87 1540 struct orphan_save *place;
aea4bd9d
AM		 1541 static struct orphan_save hold_text;
1542 static struct orphan_save hold_rdata;
1543 static struct orphan_save hold_data;
1544 static struct orphan_save hold_bss;
252b5132 1545 char *outsecname;
252b5132
RH		 1546 lang_statement_list_type *old;
1547 lang_statement_list_type add;
1548 etree_type *address;
1549
1550 /* Try to put the new output section in a reasonable place based
1551 on the section name and section flags. */
aea4bd9d
AM		 1552#define HAVE_SECTION(hold, name) \
1553(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1554
252b5132 1555 place = NULL;
5ba47421
AM		 1556 if ((s->flags & SEC_ALLOC) == 0)
1557 ;
1558 else if ((s->flags & SEC_HAS_CONTENTS) == 0
aea4bd9d 1559 && HAVE_SECTION (hold_bss, ".bss"))
6a345e87 1560 place = &hold_bss;
252b5132 1561 else if ((s->flags & SEC_READONLY) == 0
aea4bd9d 1562 && HAVE_SECTION (hold_data, ".data"))
6a345e87 1563 place = &hold_data;
252b5132
RH		 1564 else if ((s->flags & SEC_CODE) == 0
1565 && (s->flags & SEC_READONLY) != 0
aea4bd9d 1566 && HAVE_SECTION (hold_rdata, ".rdata"))
6a345e87 1567 place = &hold_rdata;
252b5132 1568 else if ((s->flags & SEC_READONLY) != 0
aea4bd9d 1569 && HAVE_SECTION (hold_text, ".text"))
6a345e87 1570 place = &hold_text;
252b5132 1571
aea4bd9d
AM		 1572#undef HAVE_SECTION
1573
252b5132
RH		 1574 /* Choose a unique name for the section. This will be needed if
1575 the same section name appears in the input file with
ae7fb08f 1576 different loadable or allocatable characteristics. */
252b5132
RH		 1577 outsecname = xstrdup (hold_section_name);
1578 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1579 {
1580 unsigned int len;
1581 char *newname;
1582 unsigned int i;
1583
1584 len = strlen (outsecname);
1585 newname = xmalloc (len + 5);
1586 strcpy (newname, outsecname);
1587 i = 0;
1588 do
1589 {
1590 sprintf (newname + len, "%d", i);
1591 ++i;
1592 }
1593 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1594
1595 free (outsecname);
1596 outsecname = newname;
1597 }
1598
252b5132
RH		 1599 /* Start building a list of statements for this section. */
1600 old = stat_ptr;
1601 stat_ptr = &add;
1602 lang_list_init (stat_ptr);
1603
2e418547
PB		 1604 if (config.build_constructors)
1605 {
1606 /* If the name of the section is representable in C, then create
1607 symbols to mark the start and the end of the section. */
1608 for (ps = outsecname; *ps != '\0'; ps++)
1609 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1610 break;
1611 if (*ps == '\0')
1612 {
1613 char *symname;
1614 etree_type *e_align;
3fc90ddb 1615
2e418547
PB		 1616 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1617 sprintf (symname, "___start_%s", outsecname);
1618 e_align = exp_unop (ALIGN_K,
1619 exp_intop ((bfd_vma) 1 << s->alignment_power));
1620 lang_add_assignment (exp_assop ('=', symname, e_align));
1621 }
1622 }
3fc90ddb 1623
01cc8ff8
AM		 1624 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1625 address = exp_intop ((bfd_vma) 0);
252b5132
RH		 1626 else
1627 {
1628 /* All sections in an executable must be aligned to a page
1629 boundary. */
1630 address = exp_unop (ALIGN_K,
1631 exp_nameop (NAME, "__section_alignment__"));
1632 }
1633
aea4bd9d
AM		 1634 os = lang_enter_output_section_statement (outsecname, address, 0,
1635 (bfd_vma) 0,
1636 (etree_type *) NULL,
1637 (etree_type *) NULL,
1638 (etree_type *) NULL);
252b5132 1639
39dcfe18 1640 lang_add_section (&add_child, s, os, file);
252b5132
RH		 1641
1642 lang_leave_output_section_statement
1643 ((bfd_vma) 0, "*default*",
aea4bd9d 1644 (struct lang_output_section_phdr_list *) NULL, "*default*");
252b5132 1645
2e418547
PB		 1646 if (config.build_constructors && *ps == '\0')
1647 {
1648 char *symname;
1649
1650 /* lang_leave_ouput_section_statement resets stat_ptr. Put
1651 stat_ptr back where we want it. */
1652 if (place != NULL)
1653 stat_ptr = &add;
3fc90ddb 1654
2e418547
PB		 1655 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1656 sprintf (symname, "___stop_%s", outsecname);
1657 lang_add_assignment (exp_assop ('=', symname,
1658 exp_nameop (NAME, ".")));
1659 }
1660
5ba47421
AM		 1661 stat_ptr = old;
1662
252b5132
RH		 1663 if (place != NULL)
1664 {
5ba47421
AM		 1665 asection *snew, **pps;
1666
aea4bd9d 1667 snew = os->bfd_section;
ae7fb08f
AM		 1668
1669 /* Shuffle the bfd section list to make the output file look
1670 neater. This is really only cosmetic. */
1671 if (place->section == NULL)
5ba47421 1672 {
ae7fb08f
AM		 1673 asection *bfd_section = place->os->bfd_section;
1674
1675 /* If the output statement hasn't been used to place
1676 any input sections (and thus doesn't have an output
1677 bfd_section), look for the closest prior output statement
1678 having an output section. */
1679 if (bfd_section == NULL)
1680 bfd_section = output_prev_sec_find (place->os);
1681
1682 if (bfd_section != NULL && bfd_section != snew)
1683 place->section = &bfd_section->next;
1684 }
5ba47421 1685
ae7fb08f
AM		 1686 if (place->section != NULL)
1687 {
5ba47421 1688 /* Unlink the section. */
ae7fb08f
AM		 1689 for (pps = &output_bfd->sections;
1690 *pps != snew;
1691 pps = &(*pps)->next)
5ba47421
AM		 1692 ;
1693 *pps = snew->next;
1694
1695 /* Now tack it on to the "place->os" section list. */
1696 snew->next = *place->section;
1697 *place->section = snew;
1698 }
5ba47421 1699
ae7fb08f
AM		 1700 /* Save the end of this list. Further ophans of this type will
1701 follow the one we've just added. */
1702 place->section = &snew->next;
1703
1704 /* The following is non-cosmetic. We try to put the output
1705 statements in some sort of reasonable order here, because
1706 they determine the final load addresses of the orphan
1707 sections. In addition, placing output statements in the
1708 wrong order may require extra segments. For instance,
1709 given a typical situation of all read-only sections placed
1710 in one segment and following that a segment containing all
1711 the read-write sections, we wouldn't want to place an orphan
1712 read/write section before or amongst the read-only ones. */
1713 if (add.head != NULL)
6a345e87 1714 {
ae7fb08f
AM		 1715 if (place->stmt == NULL)
1716 {
1717 /* Put the new statement list right at the head. */
1718 *add.tail = place->os->header.next;
1719 place->os->header.next = add.head;
1720 }
1721 else
1722 {
1723 /* Put it after the last orphan statement we added. */
1724 *add.tail = *place->stmt;
1725 *place->stmt = add.head;
1726 }
1727
1728 /* Fix the global list pointer if we happened to tack our
1729 new list at the tail. */
1730 if (*old->tail == add.head)
1731 old->tail = add.tail;
1732
1733 /* Save the end of this list. */
1734 place->stmt = add.tail;
6a345e87 1735 }
252b5132 1736 }
252b5132
RH		 1737 }
1738
5ba47421 1739 {
aea4bd9d 1740 lang_statement_union_type **pl = &os->children.head;
252b5132 1741
5ba47421
AM		 1742 if (dollar != NULL)
1743 {
1744 boolean found_dollar;
252b5132 1745
5ba47421
AM		 1746 /* The section name has a '$'. Sort it with the other '$'
1747 sections. */
252b5132 1748
5ba47421 1749 found_dollar = false;
bba1a0c0 1750 for ( ; *pl != NULL; pl = &(*pl)->header.next)
5ba47421
AM		 1751 {
1752 lang_input_section_type *ls;
1753 const char *lname;
252b5132 1754
5ba47421
AM		 1755 if ((*pl)->header.type != lang_input_section_enum)
1756 continue;
252b5132 1757
5ba47421 1758 ls = &(*pl)->input_section;
252b5132 1759
5ba47421
AM		 1760 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1761 if (strchr (lname, '$') == NULL)
1762 {
1763 if (found_dollar)
1764 break;
1765 }
1766 else
1767 {
1768 found_dollar = true;
1769 if (strcmp (secname, lname) < 0)
1770 break;
1771 }
1772 }
1773 }
1774
1775 if (add_child.head != NULL)
1776 {
bba1a0c0 1777 add_child.head->header.next = *pl;
5ba47421
AM		 1778 *pl = add_child.head;
1779 }
1780 }
252b5132
RH		 1781
1782 free (hold_section_name);
1783
1784 return true;
1785}
1786
690a460e
NC		 1787static boolean
1788gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
2ef53d66 1789 const char * arch ATTRIBUTE_UNUSED;
690a460e
NC		 1790 search_dirs_type * search;
1791 lang_input_statement_type * entry;
1792{
1793 const char * filename;
1794 char * string;
1795
1796 if (! entry->is_archive)
1797 return false;
1798
1799 filename = entry->filename;
1800
1801 string = (char *) xmalloc (strlen (search->name)
3fc90ddb 1802 + strlen (filename)
602e90d3 1803 + sizeof "/lib.a.dll"
b9a69188
NC		 1804#ifdef DLL_SUPPORT
1805 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1806#endif
690a460e
NC		 1807 + 1);
1808
602e90d3
DD		 1809 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's */
1810 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
690a460e
NC		 1811
1812 if (! ldfile_try_open_bfd (string, entry))
1813 {
602e90d3
DD		 1814 /* Try "foo.dll.a" next (alternate explicit import library for dll's */
1815 sprintf (string, "%s/%s.dll.a", search->name, filename);
690a460e
NC		 1816 if (! ldfile_try_open_bfd (string, entry))
1817 {
0ad8cf4c
DD		 1818/*
1819 Try libfoo.a next. Normally, this would be interpreted as a static
1820 library, but it *could* be an import library. For backwards compatibility,
1821 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1822 or sometimes errors occur when building legacy packages.
1823
1824 Putting libfoo.a here means that in a failure case (i.e. the library
1825 -lfoo is not found) we will search for libfoo.a twice before
1826 giving up -- once here, and once when searching for a "static" lib.
1827 for a "static" lib.
1828*/
1829 /* Try "libfoo.a" (import lib, or static lib, but must
1830 take precedence over dll's) */
1831 sprintf (string, "%s/lib%s.a", search->name, filename);
602e90d3 1832 if (! ldfile_try_open_bfd (string, entry))
627427de 1833 {
b9a69188
NC		 1834#ifdef DLL_SUPPORT
1835 if (pe_dll_search_prefix)
3fc90ddb 1836 {
627427de
DD		 1837 /* Try "<prefix>foo.dll" (preferred dll name, if specified) */
1838 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
0ad8cf4c
DD		 1839 if (! ldfile_try_open_bfd (string, entry))
1840 {
627427de
DD		 1841 /* Try "libfoo.dll" (default preferred dll name) */
1842 sprintf (string, "%s/lib%s.dll", search->name, filename);
1843 if (! ldfile_try_open_bfd (string, entry))
1844 {
1845 /* Finally, try "foo.dll" (alternate dll name) */
1846 sprintf (string, "%s/%s.dll", search->name, filename);
1847 if (! ldfile_try_open_bfd (string, entry))
1848 {
1849 free (string);
1850 return false;
1851 }
1852 }
0ad8cf4c 1853 }
602e90d3 1854 }
627427de 1855 else /* pe_dll_search_prefix not specified */
3fc90ddb 1856#endif
627427de
DD		 1857 {
1858 /* Try "libfoo.dll" (preferred dll name) */
1859 sprintf (string, "%s/lib%s.dll", search->name, filename);
1860 if (! ldfile_try_open_bfd (string, entry))
1861 {
1862 /* Finally, try "foo.dll" (alternate dll name) */
1863 sprintf (string, "%s/%s.dll", search->name, filename);
1864 if (! ldfile_try_open_bfd (string, entry))
1865 {
1866 free (string);
1867 return false;
1868 }
1869 }
b9a69188 1870 }
602e90d3 1871 }
690a460e
NC		 1872 }
1873 }
602e90d3 1874
690a460e
NC		 1875 entry->filename = string;
1876
1877 return true;
1878}
1879
344a211f
NC		 1880static int
1881gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
1882 char * name;
1883 lang_input_statement_type * entry;
1884{
1885 return ldfile_open_file_search (name, entry, "", ".lib");
1886}
252b5132
RH		 1887\f
1888static char *
1889gld_${EMULATION_NAME}_get_script(isfile)
1890 int *isfile;
1891EOF
1892# Scripts compiled in.
1893# sed commands to quote an ld script as a C string.
597e2591 1894sc="-f stringify.sed"
252b5132
RH		 1895
1896cat >>e${EMULATION_NAME}.c <<EOF
3fc90ddb 1897{
252b5132
RH		 1898 *isfile = 0;
1899
1900 if (link_info.relocateable == true && config.build_constructors == true)
1901 return
1902EOF
1903sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1904echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1905sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1906echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1907sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1908echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1909sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1910echo ' ; else return' >> e${EMULATION_NAME}.c
1911sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1912echo '; }' >> e${EMULATION_NAME}.c
1913
1914cat >>e${EMULATION_NAME}.c <<EOF
1915
1916
3fc90ddb 1917struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH		 1918{
1919 gld_${EMULATION_NAME}_before_parse,
1920 syslib_default,
1921 hll_default,
1922 gld_${EMULATION_NAME}_after_parse,
1923 gld_${EMULATION_NAME}_after_open,
1924 after_allocation_default,
1925 set_output_arch_default,
1926 ldemul_default_target,
1927 gld_${EMULATION_NAME}_before_allocation,
1928 gld_${EMULATION_NAME}_get_script,
1929 "${EMULATION_NAME}",
1930 "${OUTPUT_FORMAT}",
1931 gld_${EMULATION_NAME}_finish, /* finish */
1932 NULL, /* create output section statements */
690a460e 1933 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH		 1934 gld_${EMULATION_NAME}_place_orphan,
1935 gld_${EMULATION_NAME}_set_symbols,
1936 gld_${EMULATION_NAME}_parse_args,
1937 gld_${EMULATION_NAME}_unrecognized_file,
1938 gld_${EMULATION_NAME}_list_options,
344a211f
NC		 1939 gld_${EMULATION_NAME}_recognized_file,
1940 gld_${EMULATION_NAME}_find_potential_libraries
252b5132
RH		 1941};
1942EOF
GDB Binutils - Deliverables
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