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COFF: Dump literal pool when changing sections.
[thirdparty/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${EMULATION_NAME}.c <<EOF
252b5132 11/* This file is part of GLD, the Gnu Linker.
2c382fb6 12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
a2b64bed 13 Free Software Foundation, Inc.
252b5132
RH		 14
15This program is free software; you can redistribute it and/or modify
16it under the terms of the GNU General Public License as published by
17the Free Software Foundation; either version 2 of the License, or
18(at your option) any later version.
19
20This program is distributed in the hope that it will be useful,
21but WITHOUT ANY WARRANTY; without even the implied warranty of
22MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23GNU General Public License for more details.
24
25You should have received a copy of the GNU General Public License
26along with this program; if not, write to the Free Software
27Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28
29/* For WINDOWS_NT */
30/* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ		 34 the correct entry point by default. */
35
db09f25b
AM		 36#define TARGET_IS_${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"
252b5132
RH		 55#include "ldexp.h"
56#include "ldlang.h"
b71e2778 57#include "ldfile.h"
252b5132 58#include "ldemul.h"
2c382fb6 59#include "ldgram.h"
252b5132
RH		 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 340 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
e3c8793a
NC		 341 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
342 create __imp_<SYMBOL> as well.\n"));
343 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
344 unless user specifies one\n"));
5f577f7d 345 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
583f1926 346 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without an\n\
e3c8793a
NC		 347 importlib, use <string><basename>.dll \n\
348 in preference to lib<basename>.dll \n"));
349 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n\
350 __imp_sym for DATA references\n"));
decc3638 351 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
e3c8793a
NC		 352 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
353 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 = ${INITIAL_SYMBOL_CHAR};
435 if (*initial_symbol_char == '\0')
436 entry = v[i].entry;
437 else
438 {
439 char *alc_entry;
440
441 /* lang_add_entry expects its argument to be permanently
442 allocated, so we don't free this string. */
443 alc_entry = xmalloc (strlen (initial_symbol_char)
444 + strlen (v[i].entry)
445 + 1);
446 strcpy (alc_entry, initial_symbol_char);
447 strcat (alc_entry, v[i].entry);
448 entry = alc_entry;
449 }
450
54f24647 451 lang_add_entry (entry, 0);
252b5132
RH		 452
453 return;
454 }
455 }
3fc90ddb 456
252b5132
RH		 457 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
458}
459
460
461
462static void
463set_pe_value (name)
464 char *name;
3fc90ddb 465
252b5132
RH		 466{
467 char *end;
3fc90ddb 468
252b5132 469 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 470
252b5132
RH		 471 if (end == optarg)
472 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
473
474 optarg = end;
475}
476
477static void
478set_pe_stack_heap (resname, comname)
479 char *resname;
480 char *comname;
481{
482 set_pe_value (resname);
3fc90ddb 483
252b5132
RH		 484 if (*optarg == ',')
485 {
486 optarg++;
487 set_pe_value (comname);
488 }
489 else if (*optarg)
490 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
491}
492
493
494
495static int
496gld_${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_${EMULATION_NAME}_set_symbols ()
677{
678 /* Run through and invent symbols for all the
679 names and insert the defaults. */
680 int j;
681 lang_statement_list_type *save;
682
683 if (!init[IMAGEBASEOFF].inited)
684 {
685 if (link_info.relocateable)
686 init[IMAGEBASEOFF].value = 0;
687 else if (init[DLLOFF].value || link_info.shared)
2ef53d66 688#ifdef DLL_SUPPORT
5f577f7d
DD		 689 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
690 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
2ef53d66
L		 691#else
692 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
693#endif
252b5132
RH		 694 else
695 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
696 }
697
698 /* Don't do any symbol assignments if this is a relocateable link. */
699 if (link_info.relocateable)
700 return;
701
702 /* Glue the assignments into the abs section */
703 save = stat_ptr;
704
705 stat_ptr = &(abs_output_section->children);
706
707 for (j = 0; init[j].ptr; j++)
708 {
709 long val = init[j].value;
710 lang_assignment_statement_type *rv;
2c382fb6
AM		 711 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
712 exp_intop (val)));
252b5132
RH		 713 if (init[j].size == sizeof(short))
714 *(short *)init[j].ptr = val;
715 else if (init[j].size == sizeof(int))
716 *(int *)init[j].ptr = val;
717 else if (init[j].size == sizeof(long))
718 *(long *)init[j].ptr = val;
719 /* This might be a long long or other special type. */
720 else if (init[j].size == sizeof(bfd_vma))
721 *(bfd_vma *)init[j].ptr = val;
722 else abort();
723 if (j == IMAGEBASEOFF)
724 image_base_statement = rv;
725 }
726 /* Restore the pointer. */
727 stat_ptr = save;
3fc90ddb 728
252b5132
RH		 729 if (pe.FileAlignment >
730 pe.SectionAlignment)
731 {
732 einfo (_("%P: warning, file alignment > section alignment.\n"));
733 }
734}
735
736/* This is called after the linker script and the command line options
737 have been read. */
738
739static void
740gld_${EMULATION_NAME}_after_parse ()
741{
742 /* The Windows libraries are designed for the linker to treat the
743 entry point as an undefined symbol. Otherwise, the .obj that
744 defines mainCRTStartup is brought in because it is the first
745 encountered in libc.lib and it has other symbols in it which will
746 be pulled in by the link process. To avoid this, we act as
747 though the user specified -u with the entry point symbol.
748
749 This function is called after the linker script and command line
750 options have been read, so at this point we know the right entry
751 point. This function is called before the input files are
752 opened, so registering the symbol as undefined will make a
753 difference. */
754
2a275620 755 if (! link_info.relocateable && entry_symbol != NULL)
252b5132
RH		 756 ldlang_add_undef (entry_symbol);
757}
758
aa3d9aba
NC		 759/* pe-dll.c directly accesses pe_data_import_dll,
760 so it must be defined outside of #ifdef DLL_SUPPORT.
761 Note - this variable is deliberately not initialised.
762 This allows it to be treated as a common varaible, and only
763 exist in one incarnation in a multiple target enabled linker. */
764char * pe_data_import_dll;
72358f65 765
2ef53d66 766#ifdef DLL_SUPPORT
252b5132
RH		 767static struct bfd_link_hash_entry *pe_undef_found_sym;
768
769static boolean
770pe_undef_cdecl_match (h, string)
771 struct bfd_link_hash_entry *h;
772 PTR string;
773{
decc3638
CW		 774 int sl;
775 sl = strlen (string); /* silence compiler warning */
252b5132
RH		 776 if (h->type == bfd_link_hash_defined
777 && strncmp (h->root.string, string, sl) == 0
778 && h->root.string[sl] == '@')
decc3638
CW		 779 {
780 pe_undef_found_sym = h;
781 return false;
782 }
252b5132
RH		 783 return true;
784}
785
786static void
787pe_fixup_stdcalls ()
788{
789 static int gave_warning_message = 0;
790 struct bfd_link_hash_entry *undef, *sym;
791 char *at;
3fc90ddb 792 if (pe_dll_extra_pe_debug)
decc3638
CW		 793 {
794 printf ("%s\n", __FUNCTION__);
795 }
3fc90ddb 796
252b5132
RH		 797 for (undef = link_info.hash->undefs; undef; undef=undef->next)
798 if (undef->type == bfd_link_hash_undefined)
799 {
800 at = strchr (undef->root.string, '@');
801 if (at)
802 {
803 /* The symbol is a stdcall symbol, so let's look for a cdecl
804 symbol with the same name and resolve to that */
805 char *cname = xstrdup (undef->root.string);
806 at = strchr (cname, '@');
807 *at = 0;
808 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
809 if (sym && sym->type == bfd_link_hash_defined)
810 {
811 undef->type = bfd_link_hash_defined;
812 undef->u.def.value = sym->u.def.value;
813 undef->u.def.section = sym->u.def.section;
814 if (pe_enable_stdcall_fixup == -1)
815 {
816 einfo (_("Warning: resolving %s by linking to %s\n"),
817 undef->root.string, cname);
818 if (! gave_warning_message)
819 {
820 gave_warning_message = 1;
821 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
822 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
823 }
824 }
825 }
826 }
827 else
828 {
829 /* The symbol is a cdecl symbol, so we look for stdcall
830 symbols - which means scanning the whole symbol table */
831 pe_undef_found_sym = 0;
832 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
833 (PTR) undef->root.string);
834 sym = pe_undef_found_sym;
835 if (sym)
836 {
837 undef->type = bfd_link_hash_defined;
838 undef->u.def.value = sym->u.def.value;
839 undef->u.def.section = sym->u.def.section;
840 if (pe_enable_stdcall_fixup == -1)
841 {
842 einfo (_("Warning: resolving %s by linking to %s\n"),
843 undef->root.string, sym->root.string);
844 if (! gave_warning_message)
845 {
846 gave_warning_message = 1;
847 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
848 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
849 }
850 }
851 }
852 }
853 }
854}
decc3638
CW		 855
856static int
0d888aac 857make_import_fixup (rel, s)
decc3638 858 arelent *rel;
0d888aac 859 asection *s;
decc3638
CW		 860{
861 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
decc3638 862
3fc90ddb 863 if (pe_dll_extra_pe_debug)
decc3638 864 {
db09f25b
AM		 865 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
866 (long) rel->address, (long) rel->addend);
decc3638 867 }
0d888aac
CW		 868
869 {
870 int addend = 0;
871 if (!bfd_get_section_contents(s->owner, s, &addend, rel->address, sizeof(addend)))
872 {
873 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
874 s->owner, s, rel->address);
875 }
876
877 if (addend == 0)
878 pe_create_import_fixup (rel);
879 else
880 {
881 einfo (_("%C: variable '%T' can't be auto-imported. Please read the documentation for ld's --enable-auto-import for details.\n"),
882 s->owner, s, rel->address, sym->name);
883 einfo ("%X");
884 }
885 }
886
decc3638
CW		 887 return 1;
888}
889
decc3638
CW		 890static void
891pe_find_data_imports ()
892{
893 struct bfd_link_hash_entry *undef, *sym;
894 for (undef = link_info.hash->undefs; undef; undef=undef->next)
895 {
896 if (undef->type == bfd_link_hash_undefined)
897 {
898 /* C++ symbols are *long* */
899 char buf[4096];
3fc90ddb 900 if (pe_dll_extra_pe_debug)
decc3638
CW		 901 {
902 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
903 }
904 sprintf (buf, "__imp_%s", undef->root.string);
905
906 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
907 if (sym && sym->type == bfd_link_hash_defined)
908 {
909 einfo (_("Warning: resolving %s by linking to %s (auto-import)\n"),
910 undef->root.string, buf);
3fc90ddb 911 {
decc3638
CW		 912 bfd *b = sym->u.def.section->owner;
913 asymbol **symbols;
914 int nsyms, symsize, i;
3fc90ddb 915
decc3638
CW		 916 symsize = bfd_get_symtab_upper_bound (b);
917 symbols = (asymbol **) xmalloc (symsize);
918 nsyms = bfd_canonicalize_symtab (b, symbols);
919
920 for (i = 0; i < nsyms; i++)
921 {
3fc90ddb 922 if (memcmp(symbols[i]->name, "__head_",
decc3638
CW		 923 sizeof ("__head_") - 1))
924 continue;
925 if (pe_dll_extra_pe_debug)
926 {
927 printf ("->%s\n", symbols[i]->name);
928 }
3fc90ddb 929 pe_data_import_dll = (char*) (symbols[i]->name +
decc3638
CW		 930 sizeof ("__head_") - 1);
931 break;
932 }
933 }
934
3fc90ddb 935 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
decc3638
CW		 936 make_import_fixup);
937
938 /* let's differentiate it somehow from defined */
939 undef->type = bfd_link_hash_defweak;
940 /* we replace original name with __imp_ prefixed, this
941 1) may trash memory 2) leads to duplicate symbol generation.
942 Still, IMHO it's better than having name poluted. */
943 undef->root.string = sym->root.string;
944 undef->u.def.value = sym->u.def.value;
945 undef->u.def.section = sym->u.def.section;
946 }
947 }
948 }
949}
f0c87f88 950#endif /* DLL_SUPPORT */
252b5132 951
decc3638
CW		 952static boolean
953pr_sym (h, string)
954 struct bfd_hash_entry *h;
3fc90ddb 955 PTR string ATTRIBUTE_UNUSED;
decc3638 956{
3fc90ddb 957 if (pe_dll_extra_pe_debug)
decc3638
CW		 958 {
959 printf("+%s\n",h->string);
960 }
961 return true;
962}
963
964
252b5132
RH		 965static void
966gld_${EMULATION_NAME}_after_open ()
967{
decc3638 968
3fc90ddb 969 if (pe_dll_extra_pe_debug)
decc3638
CW		 970 {
971 bfd *a;
972 struct bfd_link_hash_entry *sym;
973 printf ("%s()\n", __FUNCTION__);
974
975 for (sym = link_info.hash->undefs; sym; sym=sym->next)
976 printf ("-%s\n", sym->root.string);
977 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
978
979 for (a = link_info.input_bfds; a; a = a->link_next)
980 {
981 printf("*%s\n",a->filename);
982 }
983 }
3fc90ddb 984
252b5132
RH		 985 /* Pass the wacky PE command line options into the output bfd.
986 FIXME: This should be done via a function, rather than by
987 including an internal BFD header. */
3fc90ddb 988
db09f25b 989 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
252b5132
RH		 990 einfo (_("%F%P: PE operations on non PE file.\n"));
991
992 pe_data (output_bfd)->pe_opthdr = pe;
993 pe_data (output_bfd)->dll = init[DLLOFF].value;
994
c6c37250 995#ifdef DLL_SUPPORT
252b5132
RH		 996 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
997 pe_fixup_stdcalls ();
998
3fc90ddb 999 pe_find_data_imports ();
decc3638 1000
252b5132
RH		 1001 pe_process_import_defs(output_bfd, &link_info);
1002 if (link_info.shared)
1003 pe_dll_build_sections (output_bfd, &link_info);
344a211f
NC		 1004
1005#ifndef TARGET_IS_i386pe
1006#ifndef TARGET_IS_armpe
1007 else
1008 pe_exe_build_sections (output_bfd, &link_info);
1009#endif
1010#endif
252b5132
RH		 1011#endif
1012
626e0105 1013#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
f11523b0
NC		 1014 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1015 {
1016 /* The arm backend needs special fields in the output hash structure.
1017 These will only be created if the output format is an arm format,
1018 hence we do not support linking and changing output formats at the
1019 same time. Use a link followed by objcopy to change output formats. */
1020 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1021 return;
1022 }
252b5132
RH		 1023 {
1024 /* Find a BFD that can hold the interworking stubs. */
1025 LANG_FOR_EACH_INPUT_STATEMENT (is)
1026 {
46d23b7c 1027 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH		 1028 break;
1029 }
1030 }
1031#endif
c6c37250 1032
486e80e2 1033 {
486e80e2
DD		 1034 /* This next chunk of code tries to detect the case where you have
1035 two import libraries for the same DLL (specifically,
1036 symbolically linking libm.a and libc.a in cygwin to
1037 libcygwin.a). In those cases, it's possible for function
1038 thunks from the second implib to be used but without the
1039 head/tail objects, causing an improper import table. We detect
1040 those cases and rename the "other" import libraries to match
1041 the one the head/tail come from, so that the linker will sort
1042 things nicely and produce a valid import table. */
1043
1044 LANG_FOR_EACH_INPUT_STATEMENT (is)
1045 {
1046 if (is->the_bfd->my_archive)
1047 {
1048 int idata2 = 0, reloc_count=0, is_imp = 0;
1049 asection *sec;
3fc90ddb 1050
6e45556a 1051 /* See if this is an import library thunk. */
486e80e2
DD		 1052 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1053 {
1054 if (strcmp (sec->name, ".idata\$2") == 0)
1055 idata2 = 1;
1056 if (strncmp (sec->name, ".idata\$", 7) == 0)
1057 is_imp = 1;
1058 reloc_count += sec->reloc_count;
1059 }
3fc90ddb 1060
486e80e2
DD		 1061 if (is_imp && !idata2 && reloc_count)
1062 {
6e45556a
NC		 1063 /* It is, look for the reference to head and see if it's
1064 from our own library. */
486e80e2
DD		 1065 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1066 {
1067 int i;
6e45556a
NC		 1068 long symsize;
1069 long relsize;
102c86f8 1070 asymbol **symbols;
102c86f8
NC		 1071 arelent **relocs;
1072 int nrelocs;
3fc90ddb 1073
102c86f8 1074 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
6e45556a
NC		 1075 if (symsize < 1)
1076 break;
102c86f8 1077 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC		 1078 if (relsize < 1)
1079 break;
3fc90ddb 1080
6e45556a 1081 symbols = (asymbol **) xmalloc (symsize);
3fc90ddb 1082 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
6e45556a
NC		 1083 if (symsize < 0)
1084 {
1085 einfo ("%X%P: unable to process symbols: %E");
1086 return;
1087 }
3fc90ddb 1088
102c86f8
NC		 1089 relocs = (arelent **) xmalloc ((size_t) relsize);
1090 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
486e80e2 1091 relocs, symbols);
6e45556a
NC		 1092 if (nrelocs < 0)
1093 {
1094 free (relocs);
1095 einfo ("%X%P: unable to process relocs: %E");
1096 return;
1097 }
3fc90ddb 1098
6e45556a 1099 for (i = 0; i < nrelocs; i++)
486e80e2
DD		 1100 {
1101 struct symbol_cache_entry *s;
6e45556a
NC		 1102 struct bfd_link_hash_entry * blhe;
1103 bfd *other_bfd;
1104 char *n;
3fc90ddb 1105
486e80e2 1106 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1107
6e45556a
NC		 1108 if (s->flags & BSF_LOCAL)
1109 continue;
3fc90ddb 1110
6e45556a
NC		 1111 /* Thunk section with reloc to another bfd. */
1112 blhe = bfd_link_hash_lookup (link_info.hash,
1113 s->name,
1114 false, false, true);
3fc90ddb 1115
6e45556a
NC		 1116 if (blhe == NULL
1117 || blhe->type != bfd_link_hash_defined)
1118 continue;
3fc90ddb 1119
6e45556a 1120 other_bfd = blhe->u.def.section->owner;
3fc90ddb 1121
6e45556a
NC		 1122 if (strcmp (is->the_bfd->my_archive->filename,
1123 other_bfd->my_archive->filename) == 0)
1124 continue;
3fc90ddb 1125
6e45556a
NC		 1126 /* Rename this implib to match the other. */
1127 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
3fc90ddb 1128
6e45556a 1129 strcpy (n, other_bfd->my_archive->filename);
3fc90ddb 1130
6e45556a 1131 is->the_bfd->my_archive->filename = n;
486e80e2
DD		 1132 }
1133
1134 free (relocs);
6e45556a
NC		 1135 /* Note - we do not free the symbols,
1136 they are now cached in the BFD. */
486e80e2
DD		 1137 }
1138 }
1139 }
1140 }
1141 }
1142
c6c37250 1143 {
f0c87f88 1144 int is_ms_arch = 0;
1069dd8d 1145 bfd *cur_arch = 0;
c6c37250 1146 lang_input_statement_type *is2;
1069dd8d 1147
c6c37250
DD		 1148 /* Careful - this is a shell script. Watch those dollar signs! */
1149 /* Microsoft import libraries have every member named the same,
1150 and not in the right order for us to link them correctly. We
1151 must detect these and rename the members so that they'll link
1152 correctly. There are three types of objects: the head, the
1153 thunks, and the sentinel(s). The head is easy; it's the one
1154 with idata2. We assume that the sentinels won't have relocs,
1155 and the thunks will. It's easier than checking the symbol
1069dd8d 1156 table for external references. */
c6c37250
DD		 1157 LANG_FOR_EACH_INPUT_STATEMENT (is)
1158 {
1159 if (is->the_bfd->my_archive)
1160 {
1161 bfd *arch = is->the_bfd->my_archive;
1162 if (cur_arch != arch)
1163 {
1164 cur_arch = arch;
1165 is_ms_arch = 1;
1166 for (is2 = is;
1167 is2 && is2->the_bfd->my_archive == arch;
1168 is2 = (lang_input_statement_type *)is2->next)
1169 {
1170 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1171 is_ms_arch = 0;
1172 }
1173 }
1174
1175 if (is_ms_arch)
1176 {
1069dd8d 1177 int idata2 = 0, reloc_count=0;
c6c37250
DD		 1178 asection *sec;
1179 char *new_name, seq;
1069dd8d 1180
c6c37250
DD		 1181 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1182 {
1183 if (strcmp (sec->name, ".idata\$2") == 0)
1184 idata2 = 1;
1185 reloc_count += sec->reloc_count;
1186 }
1187
1188 if (idata2) /* .idata2 is the TOC */
1189 seq = 'a';
1190 else if (reloc_count > 0) /* thunks */
1191 seq = 'b';
1192 else /* sentinel */
1193 seq = 'c';
1194
e4e24acb 1195 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD		 1196 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1197 is->the_bfd->filename = new_name;
1198
690a460e 1199 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD		 1200 sprintf (new_name, "%s.%c", is->filename, seq);
1201 is->filename = new_name;
1202 }
1203 }
1204 }
1205 }
252b5132
RH		 1206}
1207\f
3fc90ddb 1208static void
252b5132
RH		 1209gld_${EMULATION_NAME}_before_allocation()
1210{
1211#ifdef TARGET_IS_ppcpe
1212 /* Here we rummage through the found bfds to collect toc information */
1213 {
1214 LANG_FOR_EACH_INPUT_STATEMENT (is)
1215 {
1216 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1217 {
1218 /* xgettext:c-format */
1219 einfo (_("Errors encountered processing file %s\n"), is->filename);
1220 }
1221 }
1222 }
1223
1224 /* We have seen it all. Allocate it, and carry on */
1225 ppc_allocate_toc_section (&link_info);
1226#endif /* TARGET_IS_ppcpe */
1227
626e0105 1228#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
252b5132
RH		 1229 /* FIXME: we should be able to set the size of the interworking stub
1230 section.
1231
1232 Here we rummage through the found bfds to collect glue
1233 information. FIXME: should this be based on a command line
1234 option? krk@cygnus.com */
1235 {
1236 LANG_FOR_EACH_INPUT_STATEMENT (is)
1237 {
46d23b7c 1238 if (! bfd_arm_pe_process_before_allocation
252b5132
RH		 1239 (is->the_bfd, & link_info, support_old_code))
1240 {
1241 /* xgettext:c-format */
1242 einfo (_("Errors encountered processing file %s for interworking"),
1243 is->filename);
1244 }
1245 }
1246 }
1247
1248 /* We have seen it all. Allocate it, and carry on */
46d23b7c 1249 bfd_arm_pe_allocate_interworking_sections (& link_info);
252b5132
RH		 1250#endif /* TARGET_IS_armpe */
1251}
1252\f
690a460e 1253#ifdef DLL_SUPPORT
252b5132
RH		 1254/* This is called when an input file isn't recognized as a BFD. We
1255 check here for .DEF files and pull them in automatically. */
690a460e 1256
252b5132
RH		 1257static int
1258saw_option(char *option)
1259{
1260 int i;
1261 for (i=0; init[i].ptr; i++)
1262 if (strcmp (init[i].symbol, option) == 0)
1263 return init[i].inited;
1264 return 0;
1265}
690a460e 1266#endif /* DLL_SUPPORT */
252b5132
RH		 1267
1268static boolean
1269gld_${EMULATION_NAME}_unrecognized_file(entry)
f0c87f88 1270 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1271{
c6c37250 1272#ifdef DLL_SUPPORT
252b5132
RH		 1273 const char *ext = entry->filename + strlen (entry->filename) - 4;
1274
1275 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
1276 {
1277 if (pe_def_file == 0)
1278 pe_def_file = def_file_empty ();
1279 def_file_parse (entry->filename, pe_def_file);
1280 if (pe_def_file)
1281 {
1282 int i, buflen=0, len;
1283 char *buf;
1284 for (i=0; i<pe_def_file->num_exports; i++)
1285 {
1286 len = strlen(pe_def_file->exports[i].internal_name);
1287 if (buflen < len+2)
1288 buflen = len+2;
1289 }
1290 buf = (char *) xmalloc (buflen);
1291 for (i=0; i<pe_def_file->num_exports; i++)
1292 {
1293 struct bfd_link_hash_entry *h;
1294 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
1295
1296 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
1297 if (h == (struct bfd_link_hash_entry *) NULL)
1298 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1299 if (h->type == bfd_link_hash_new)
1300 {
1301 h->type = bfd_link_hash_undefined;
1302 h->u.undef.abfd = NULL;
1303 bfd_link_add_undef (link_info.hash, h);
1304 }
1305 }
1306 free (buf);
1307
1308 /* def_file_print (stdout, pe_def_file); */
1309 if (pe_def_file->is_dll == 1)
1310 link_info.shared = 1;
1311
1312 if (pe_def_file->base_address != (bfd_vma)(-1))
1313 {
1314 pe.ImageBase =
1315 pe_data (output_bfd)->pe_opthdr.ImageBase =
1316 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1317 init[IMAGEBASEOFF].inited = 1;
1318 if (image_base_statement)
1319 image_base_statement->exp =
1320 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1321 }
1322
1323#if 0
1324 /* Not sure if these *should* be set */
1325 if (pe_def_file->version_major != -1)
1326 {
1327 pe.MajorImageVersion = pe_def_file->version_major;
1328 pe.MinorImageVersion = pe_def_file->version_minor;
1329 }
1330#endif
1331 if (pe_def_file->stack_reserve != -1
1332 && ! saw_option ("__size_of_stack_reserve__"))
1333 {
1334 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1335 if (pe_def_file->stack_commit != -1)
1336 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1337 }
1338 if (pe_def_file->heap_reserve != -1
1339 && ! saw_option ("__size_of_heap_reserve__"))
1340 {
1341 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1342 if (pe_def_file->heap_commit != -1)
1343 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1344 }
1345 return true;
1346 }
1347 }
1348#endif
1349 return false;
3fc90ddb 1350
252b5132
RH		 1351}
1352
1353static boolean
1354gld_${EMULATION_NAME}_recognized_file(entry)
f0c87f88 1355 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1356{
c6c37250 1357#ifdef DLL_SUPPORT
252b5132 1358#ifdef TARGET_IS_i386pe
c6c37250 1359 pe_dll_id_target ("pei-i386");
344a211f
NC		 1360#endif
1361#ifdef TARGET_IS_shpe
1362 pe_dll_id_target ("pei-shl");
1363#endif
1364#ifdef TARGET_IS_mipspe
1365 pe_dll_id_target ("pei-mips");
1366#endif
1367#ifdef TARGET_IS_armpe
1368 pe_dll_id_target ("pei-arm-little");
c6c37250 1369#endif
252b5132
RH		 1370 if (bfd_get_format (entry->the_bfd) == bfd_object)
1371 {
1372 const char *ext = entry->filename + strlen (entry->filename) - 4;
1373 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1374 return pe_implied_import_dll (entry->filename);
1375 }
1376#endif
1377 return false;
1378}
1379
1380static void
1381gld_${EMULATION_NAME}_finish ()
1382{
6f798e5c
NC		 1383#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1384 struct bfd_link_hash_entry * h;
1385
1386 if (thumb_entry_symbol != NULL)
1387 {
1388 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
3fc90ddb 1389
6f798e5c
NC		 1390 if (h != (struct bfd_link_hash_entry *) NULL
1391 && (h->type == bfd_link_hash_defined
1392 || h->type == bfd_link_hash_defweak)
1393 && h->u.def.section->output_section != NULL)
1394 {
1395 static char buffer[32];
1396 bfd_vma val;
3fc90ddb 1397
6f798e5c
NC		 1398 /* Special procesing is required for a Thumb entry symbol. The
1399 bottom bit of its address must be set. */
1400 val = (h->u.def.value
1401 + bfd_get_section_vma (output_bfd,
1402 h->u.def.section->output_section)
1403 + h->u.def.section->output_offset);
3fc90ddb 1404
6f798e5c 1405 val |= 1;
3fc90ddb 1406
6f798e5c
NC		 1407 /* Now convert this value into a string and store it in entry_symbol
1408 where the lang_finish() function will pick it up. */
1409 buffer[0] = '0';
1410 buffer[1] = 'x';
3fc90ddb 1411
6f798e5c 1412 sprintf_vma (buffer + 2, val);
3fc90ddb 1413
6f798e5c
NC		 1414 if (entry_symbol != NULL && entry_from_cmdline)
1415 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
1416 thumb_entry_symbol, entry_symbol);
1417 entry_symbol = buffer;
1418 }
1419 else
1420 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1421 }
1422#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1423
c6c37250 1424#ifdef DLL_SUPPORT
252b5132
RH		 1425 if (link_info.shared)
1426 {
1427 pe_dll_fill_sections (output_bfd, &link_info);
1428 if (pe_implib_filename)
1429 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1430 }
344a211f 1431#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
690a460e 1432 /* ARM doesn't need relocs. */
344a211f
NC		 1433 else
1434 {
1435 pe_exe_fill_sections (output_bfd, &link_info);
1436 }
1437#endif
3fc90ddb 1438
252b5132
RH		 1439 if (pe_out_def_filename)
1440 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1441#endif /* DLL_SUPPORT */
decc3638
CW		 1442
1443 /* I don't know where .idata gets set as code, but it shouldn't be */
1444 {
1445 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
1446 if (asec)
1447 {
1448 asec->flags &= ~SEC_CODE;
1449 asec->flags |= SEC_DATA;
1450 }
1451 }
252b5132
RH		 1452}
1453
1454\f
ae7fb08f
AM		 1455/* Find the last output section before given output statement.
1456 Used by place_orphan. */
1457
1458static asection *
1459output_prev_sec_find (os)
1460 lang_output_section_statement_type *os;
1461{
1462 asection *s = (asection *) NULL;
1463 lang_statement_union_type *u;
1464 lang_output_section_statement_type *lookup;
1465
1466 for (u = lang_output_section_statement.head;
1467 u != (lang_statement_union_type *) NULL;
1468 u = lookup->next)
1469 {
1470 lookup = &u->output_section_statement;
1471 if (lookup == os)
1472 return s;
1473
1474 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1475 s = lookup->bfd_section;
1476 }
1477
1478 return NULL;
1479}
1480
252b5132
RH		 1481/* Place an orphan section.
1482
1483 We use this to put sections in a reasonable place in the file, and
1484 to ensure that they are aligned as required.
1485
1486 We handle grouped sections here as well. A section named .foo$nn
1487 goes into the output section .foo. All grouped sections are sorted
1488 by name.
1489
1490 Grouped sections for the default sections are handled by the
1491 default linker script using wildcards, and are sorted by
1492 sort_sections. */
1493
6a345e87
AM		 1494struct orphan_save
1495{
1496 lang_output_section_statement_type *os;
5ba47421 1497 asection **section;
6a345e87
AM		 1498 lang_statement_union_type **stmt;
1499};
252b5132
RH		 1500
1501/*ARGSUSED*/
1502static boolean
1503gld_${EMULATION_NAME}_place_orphan (file, s)
1504 lang_input_statement_type *file;
1505 asection *s;
1506{
1507 const char *secname;
aea4bd9d 1508 char *hold_section_name;
f0c87f88 1509 char *dollar = NULL;
2e418547 1510 const char *ps = NULL;
aea4bd9d 1511 lang_output_section_statement_type *os;
5ba47421 1512 lang_statement_list_type add_child;
252b5132 1513
252b5132
RH		 1514 secname = bfd_get_section_name (s->owner, s);
1515
1516 /* Look through the script to see where to place this section. */
1517
252b5132 1518 hold_section_name = xstrdup (secname);
6eec49fc
DD		 1519 if (!link_info.relocateable)
1520 {
1521 dollar = strchr (hold_section_name, '$');
1522 if (dollar != NULL)
1523 *dollar = '\0';
1524 }
252b5132 1525
aea4bd9d 1526 os = lang_output_section_find (hold_section_name);
252b5132 1527
5ba47421
AM		 1528 lang_list_init (&add_child);
1529
aea4bd9d 1530 if (os != NULL
ae7fb08f
AM		 1531 && (os->bfd_section == NULL
1532 || ((s->flags ^ os->bfd_section->flags)
1533 & (SEC_LOAD | SEC_ALLOC)) == 0))
5ba47421 1534 {
ae7fb08f
AM		 1535 /* We already have an output section statement with this
1536 name, and its bfd section, if any, has compatible flags. */
39dcfe18 1537 lang_add_section (&add_child, s, os, file);
5ba47421
AM		 1538 }
1539 else
252b5132 1540 {
6a345e87 1541 struct orphan_save *place;
aea4bd9d
AM		 1542 static struct orphan_save hold_text;
1543 static struct orphan_save hold_rdata;
1544 static struct orphan_save hold_data;
1545 static struct orphan_save hold_bss;
252b5132 1546 char *outsecname;
252b5132
RH		 1547 lang_statement_list_type *old;
1548 lang_statement_list_type add;
1549 etree_type *address;
1550
1551 /* Try to put the new output section in a reasonable place based
1552 on the section name and section flags. */
aea4bd9d
AM		 1553#define HAVE_SECTION(hold, name) \
1554(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1555
252b5132 1556 place = NULL;
5ba47421
AM		 1557 if ((s->flags & SEC_ALLOC) == 0)
1558 ;
1559 else if ((s->flags & SEC_HAS_CONTENTS) == 0
aea4bd9d 1560 && HAVE_SECTION (hold_bss, ".bss"))
6a345e87 1561 place = &hold_bss;
252b5132 1562 else if ((s->flags & SEC_READONLY) == 0
aea4bd9d 1563 && HAVE_SECTION (hold_data, ".data"))
6a345e87 1564 place = &hold_data;
252b5132
RH		 1565 else if ((s->flags & SEC_CODE) == 0
1566 && (s->flags & SEC_READONLY) != 0
aea4bd9d 1567 && HAVE_SECTION (hold_rdata, ".rdata"))
6a345e87 1568 place = &hold_rdata;
252b5132 1569 else if ((s->flags & SEC_READONLY) != 0
aea4bd9d 1570 && HAVE_SECTION (hold_text, ".text"))
6a345e87 1571 place = &hold_text;
252b5132 1572
aea4bd9d
AM		 1573#undef HAVE_SECTION
1574
252b5132
RH		 1575 /* Choose a unique name for the section. This will be needed if
1576 the same section name appears in the input file with
ae7fb08f 1577 different loadable or allocatable characteristics. */
252b5132
RH		 1578 outsecname = xstrdup (hold_section_name);
1579 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1580 {
1581 unsigned int len;
1582 char *newname;
1583 unsigned int i;
1584
1585 len = strlen (outsecname);
1586 newname = xmalloc (len + 5);
1587 strcpy (newname, outsecname);
1588 i = 0;
1589 do
1590 {
1591 sprintf (newname + len, "%d", i);
1592 ++i;
1593 }
1594 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1595
1596 free (outsecname);
1597 outsecname = newname;
1598 }
1599
252b5132
RH		 1600 /* Start building a list of statements for this section. */
1601 old = stat_ptr;
1602 stat_ptr = &add;
1603 lang_list_init (stat_ptr);
1604
2e418547
PB		 1605 if (config.build_constructors)
1606 {
1607 /* If the name of the section is representable in C, then create
1608 symbols to mark the start and the end of the section. */
1609 for (ps = outsecname; *ps != '\0'; ps++)
1610 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1611 break;
1612 if (*ps == '\0')
1613 {
1614 char *symname;
1615 etree_type *e_align;
3fc90ddb 1616
2e418547
PB		 1617 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1618 sprintf (symname, "___start_%s", outsecname);
1619 e_align = exp_unop (ALIGN_K,
1620 exp_intop ((bfd_vma) 1 << s->alignment_power));
1621 lang_add_assignment (exp_assop ('=', symname, e_align));
1622 }
1623 }
3fc90ddb 1624
01cc8ff8
AM		 1625 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1626 address = exp_intop ((bfd_vma) 0);
252b5132
RH		 1627 else
1628 {
1629 /* All sections in an executable must be aligned to a page
1630 boundary. */
1631 address = exp_unop (ALIGN_K,
1632 exp_nameop (NAME, "__section_alignment__"));
1633 }
1634
aea4bd9d
AM		 1635 os = lang_enter_output_section_statement (outsecname, address, 0,
1636 (bfd_vma) 0,
1637 (etree_type *) NULL,
1638 (etree_type *) NULL,
1639 (etree_type *) NULL);
252b5132 1640
39dcfe18 1641 lang_add_section (&add_child, s, os, file);
252b5132
RH		 1642
1643 lang_leave_output_section_statement
1644 ((bfd_vma) 0, "*default*",
aea4bd9d 1645 (struct lang_output_section_phdr_list *) NULL, "*default*");
252b5132 1646
2e418547
PB		 1647 if (config.build_constructors && *ps == '\0')
1648 {
1649 char *symname;
1650
1651 /* lang_leave_ouput_section_statement resets stat_ptr. Put
1652 stat_ptr back where we want it. */
1653 if (place != NULL)
1654 stat_ptr = &add;
3fc90ddb 1655
2e418547
PB		 1656 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1657 sprintf (symname, "___stop_%s", outsecname);
1658 lang_add_assignment (exp_assop ('=', symname,
1659 exp_nameop (NAME, ".")));
1660 }
1661
5ba47421
AM		 1662 stat_ptr = old;
1663
252b5132
RH		 1664 if (place != NULL)
1665 {
5ba47421
AM		 1666 asection *snew, **pps;
1667
aea4bd9d 1668 snew = os->bfd_section;
ae7fb08f
AM		 1669
1670 /* Shuffle the bfd section list to make the output file look
1671 neater. This is really only cosmetic. */
1672 if (place->section == NULL)
5ba47421 1673 {
ae7fb08f
AM		 1674 asection *bfd_section = place->os->bfd_section;
1675
1676 /* If the output statement hasn't been used to place
1677 any input sections (and thus doesn't have an output
1678 bfd_section), look for the closest prior output statement
1679 having an output section. */
1680 if (bfd_section == NULL)
1681 bfd_section = output_prev_sec_find (place->os);
1682
1683 if (bfd_section != NULL && bfd_section != snew)
1684 place->section = &bfd_section->next;
1685 }
5ba47421 1686
ae7fb08f
AM		 1687 if (place->section != NULL)
1688 {
3dfe7a8c 1689 /* Unlink the section. */
ae7fb08f
AM		 1690 for (pps = &output_bfd->sections;
1691 *pps != snew;
1692 pps = &(*pps)->next)
5ba47421 1693 ;
3dfe7a8c 1694 bfd_section_list_remove (output_bfd, pps);
5ba47421
AM		 1695
1696 /* Now tack it on to the "place->os" section list. */
3dfe7a8c 1697 bfd_section_list_insert (output_bfd, place->section, snew);
5ba47421 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 1939 gld_${EMULATION_NAME}_recognized_file,
fac1652d
AM		 1940 gld_${EMULATION_NAME}_find_potential_libraries,
1941 NULL /* new_vers_pattern */
252b5132
RH		 1942};
1943EOF
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