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Adds support for fastcall symbols as used on Microsoft Windows platforms
[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${EMULATION_NAME}.c <<EOF
252b5132 11/* This file is part of GLD, the Gnu Linker.
2c382fb6 12 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
a2b64bed 13 Free Software Foundation, Inc.
252b5132
RH		 14
15This program is free software; you can redistribute it and/or modify
16it under the terms of the GNU General Public License as published by
17the Free Software Foundation; either version 2 of the License, or
18(at your option) any later version.
19
20This program is distributed in the hope that it will be useful,
21but WITHOUT ANY WARRANTY; without even the implied warranty of
22MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23GNU General Public License for more details.
24
25You should have received a copy of the GNU General Public License
26along with this program; if not, write to the Free Software
27Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28
29/* For WINDOWS_NT */
30/* The original file generated returned different default scripts depending
31 on whether certain switches were set, but these switches pertain to the
32 Linux system and that particular version of coff. In the NT case, we
33 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ		 34 the correct entry point by default. */
35
db09f25b
AM		 36#define TARGET_IS_${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"
df2a7313 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;
e0076ab3 176 link_info.pei386_auto_import = -1;
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)
70b0be79 224#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
252b5132 225
1122a5fc 226static struct option longopts[] = {
252b5132
RH		 227 /* PE options */
228 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
229 {"dll", no_argument, NULL, OPTION_DLL},
230 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
3fc90ddb 231 {"heap", required_argument, NULL, OPTION_HEAP},
252b5132
RH		 232 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
233 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
234 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
235 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
236 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
237 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
238 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
239 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
240 {"stack", required_argument, NULL, OPTION_STACK},
241 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
242 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
6f798e5c 243 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
c6c37250 244#ifdef DLL_SUPPORT
252b5132
RH		 245 /* getopt allows abbreviations, so we do this to stop it from treating -o
246 as an abbreviation for this option */
247 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
248 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
249 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
250 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
70b0be79 251 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
252b5132
RH		 252 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
253 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
254 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
255 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
256 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
870df5dc
NC		 257 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
258 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
5f577f7d
DD		 259 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
260 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
627427de 261 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
1122a5fc 262 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
decc3638
CW		 263 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
264 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
265 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
252b5132
RH		 266#endif
267 {NULL, no_argument, NULL, 0}
268};
269
270
271/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
272 parameters which may be input from the command line */
273
274typedef struct
275{
276 void *ptr;
277 int size;
278 int value;
279 char *symbol;
280 int inited;
281} definfo;
282
283#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
284
285static definfo init[] =
286{
287 /* imagebase must be first */
288#define IMAGEBASEOFF 0
289 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
290#define DLLOFF 1
1069dd8d 291 {&dll, sizeof(dll), 0, "__dll__", 0},
252b5132
RH		 292 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
293 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
294 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
295 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
296 D(MajorImageVersion,"__major_image_version__", 1),
297 D(MinorImageVersion,"__minor_image_version__", 0),
344a211f
NC		 298#ifdef TARGET_IS_armpe
299 D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
300#else
252b5132 301 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
344a211f 302#endif
252b5132 303 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
2be9b2c7 304 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
3763134d 305 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
252b5132
RH		 306 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
307 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
308 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
309 D(LoaderFlags,"__loader_flags__", 0x0),
310 { NULL, 0, 0, NULL, 0 }
311};
312
313static void
314gld_${EMULATION_NAME}_list_options (file)
315 FILE * file;
316{
317 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
318 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
319 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
320 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
321 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
322 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
323 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
324 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
325 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
326 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
327 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
328 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
329 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
330 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
331 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
6f798e5c 332 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
c6c37250 333#ifdef DLL_SUPPORT
252b5132
RH		 334 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
335 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
336 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
337 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
70b0be79 338 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
252b5132
RH		 339 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
340 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
341 fprintf (file, _(" --out-implib <file> Generate import library\n"));
342 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
0752a404 343 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
e3c8793a
NC		 344 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
345 create __imp_<SYMBOL> as well.\n"));
346 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
347 unless user specifies one\n"));
5f577f7d 348 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
583f1926 349 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without an\n\
e3c8793a
NC		 350 importlib, use <string><basename>.dll \n\
351 in preference to lib<basename>.dll \n"));
352 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to \n\
353 __imp_sym for DATA references\n"));
decc3638 354 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
e3c8793a
NC		 355 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
356 or linking to DLLs (esp. auto-import)\n"));
252b5132
RH		 357#endif
358}
359
360static void
361set_pe_name (name, val)
362 char *name;
363 long val;
364{
365 int i;
366 /* Find the name and set it. */
367 for (i = 0; init[i].ptr; i++)
368 {
369 if (strcmp (name, init[i].symbol) == 0)
370 {
371 init[i].value = val;
372 init[i].inited = 1;
373 return;
374 }
375 }
376 abort();
377}
378
379
380static void
381set_pe_subsystem ()
382{
383 const char *sver;
384 int len;
385 int i;
3fc90ddb 386 static const struct
252b5132
RH		 387 {
388 const char *name;
389 const int value;
390 const char *entry;
391 }
392 v[] =
393 {
2be9b2c7 394 { "native", 1, "NtProcessStartup" },
344a211f 395#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
2be9b2c7 396 { "windows", 2, "WinMainCRTStartup" },
344a211f
NC		 397#else
398 { "windows", 2, "WinMainCRTStartup" },
399#endif
2be9b2c7 400 { "console", 3, "mainCRTStartup" },
252b5132
RH		 401#if 0
402 /* The Microsoft linker does not recognize this. */
403 { "os2", 5, "" },
404#endif
2be9b2c7 405 { "posix", 7, "__PosixProcessStartup"},
344a211f 406 { "wince", 9, "_WinMainCRTStartup" },
252b5132
RH		 407 { 0, 0, 0 }
408 };
409
410 sver = strchr (optarg, ':');
411 if (sver == NULL)
412 len = strlen (optarg);
413 else
414 {
415 char *end;
416
417 len = sver - optarg;
418 set_pe_name ("__major_subsystem_version__",
419 strtoul (sver + 1, &end, 0));
420 if (*end == '.')
421 set_pe_name ("__minor_subsystem_version__",
422 strtoul (end + 1, &end, 0));
423 if (*end != '\0')
424 einfo (_("%P: warning: bad version number in -subsystem option\n"));
425 }
426
427 for (i = 0; v[i].name; i++)
428 {
429 if (strncmp (optarg, v[i].name, len) == 0
430 && v[i].name[len] == '\0')
431 {
2be9b2c7
ILT		 432 const char *initial_symbol_char;
433 const char *entry;
434
252b5132
RH		 435 set_pe_name ("__subsystem__", v[i].value);
436
2be9b2c7
ILT		 437 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
438 if (*initial_symbol_char == '\0')
439 entry = v[i].entry;
440 else
441 {
442 char *alc_entry;
443
444 /* lang_add_entry expects its argument to be permanently
445 allocated, so we don't free this string. */
446 alc_entry = xmalloc (strlen (initial_symbol_char)
447 + strlen (v[i].entry)
448 + 1);
449 strcpy (alc_entry, initial_symbol_char);
450 strcat (alc_entry, v[i].entry);
451 entry = alc_entry;
452 }
453
54f24647 454 lang_add_entry (entry, 0);
252b5132
RH		 455
456 return;
457 }
458 }
3fc90ddb 459
252b5132
RH		 460 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
461}
462
463
464
465static void
466set_pe_value (name)
467 char *name;
3fc90ddb 468
252b5132
RH		 469{
470 char *end;
3fc90ddb 471
252b5132 472 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 473
252b5132
RH		 474 if (end == optarg)
475 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
476
477 optarg = end;
478}
479
480static void
481set_pe_stack_heap (resname, comname)
482 char *resname;
483 char *comname;
484{
485 set_pe_value (resname);
3fc90ddb 486
252b5132
RH		 487 if (*optarg == ',')
488 {
489 optarg++;
490 set_pe_value (comname);
491 }
492 else if (*optarg)
493 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
494}
495
496
497
498static int
499gld_${EMULATION_NAME}_parse_args(argc, argv)
500 int argc;
501 char **argv;
502{
503 int longind;
504 int optc;
505 int prevoptind = optind;
506 int prevopterr = opterr;
507 int wanterror;
508 static int lastoptind = -1;
509
510 if (lastoptind != optind)
511 opterr = 0;
512 wanterror = opterr;
513
514 lastoptind = optind;
515
516 optc = getopt_long_only (argc, argv, "-", longopts, &longind);
517 opterr = prevopterr;
518
519 switch (optc)
520 {
521 default:
522 if (wanterror)
523 xexit (1);
524 optind = prevoptind;
525 return 0;
526
527 case OPTION_BASE_FILE:
528 link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
529 if (link_info.base_file == NULL)
530 {
531 /* xgettext:c-format */
532 fprintf (stderr, _("%s: Can't open base file %s\n"),
533 program_name, optarg);
534 xexit (1);
535 }
536 break;
537
538 /* PE options */
3fc90ddb 539 case OPTION_HEAP:
252b5132
RH		 540 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
541 break;
3fc90ddb 542 case OPTION_STACK:
252b5132
RH		 543 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
544 break;
545 case OPTION_SUBSYSTEM:
546 set_pe_subsystem ();
547 break;
548 case OPTION_MAJOR_OS_VERSION:
549 set_pe_value ("__major_os_version__");
550 break;
551 case OPTION_MINOR_OS_VERSION:
552 set_pe_value ("__minor_os_version__");
553 break;
554 case OPTION_MAJOR_SUBSYSTEM_VERSION:
555 set_pe_value ("__major_subsystem_version__");
556 break;
557 case OPTION_MINOR_SUBSYSTEM_VERSION:
558 set_pe_value ("__minor_subsystem_version__");
559 break;
560 case OPTION_MAJOR_IMAGE_VERSION:
561 set_pe_value ("__major_image_version__");
562 break;
563 case OPTION_MINOR_IMAGE_VERSION:
564 set_pe_value ("__minor_image_version__");
565 break;
566 case OPTION_FILE_ALIGNMENT:
567 set_pe_value ("__file_alignment__");
568 break;
569 case OPTION_SECTION_ALIGNMENT:
570 set_pe_value ("__section_alignment__");
571 break;
572 case OPTION_DLL:
573 set_pe_name ("__dll__", 1);
574 break;
575 case OPTION_IMAGE_BASE:
576 set_pe_value ("__image_base__");
577 break;
578 case OPTION_SUPPORT_OLD_CODE:
579 support_old_code = 1;
580 break;
6f798e5c
NC		 581 case OPTION_THUMB_ENTRY:
582 thumb_entry_symbol = optarg;
583 break;
c6c37250 584#ifdef DLL_SUPPORT
252b5132
RH		 585 case OPTION_OUT_DEF:
586 pe_out_def_filename = xstrdup (optarg);
587 break;
588 case OPTION_EXPORT_ALL:
589 pe_dll_export_everything = 1;
590 break;
591 case OPTION_EXCLUDE_SYMBOLS:
70b0be79
CF		 592 pe_dll_add_excludes (optarg, 0);
593 break;
594 case OPTION_EXCLUDE_LIBS:
595 pe_dll_add_excludes (optarg, 1);
252b5132
RH		 596 break;
597 case OPTION_KILL_ATS:
598 pe_dll_kill_ats = 1;
599 break;
600 case OPTION_STDCALL_ALIASES:
601 pe_dll_stdcall_aliases = 1;
602 break;
603 case OPTION_ENABLE_STDCALL_FIXUP:
604 pe_enable_stdcall_fixup = 1;
605 break;
606 case OPTION_DISABLE_STDCALL_FIXUP:
607 pe_enable_stdcall_fixup = 0;
608 break;
609 case OPTION_IMPLIB_FILENAME:
610 pe_implib_filename = xstrdup (optarg);
611 break;
870df5dc
NC		 612 case OPTION_WARN_DUPLICATE_EXPORTS:
613 pe_dll_warn_dup_exports = 1;
614 break;
615 case OPTION_IMP_COMPAT:
616 pe_dll_compat_implib = 1;
617 break;
5f577f7d
DD		 618 case OPTION_ENABLE_AUTO_IMAGE_BASE:
619 pe_enable_auto_image_base = 1;
620 break;
621 case OPTION_DISABLE_AUTO_IMAGE_BASE:
622 pe_enable_auto_image_base = 0;
623 break;
627427de
DD		 624 case OPTION_DLL_SEARCH_PREFIX:
625 pe_dll_search_prefix = xstrdup( optarg );
626 break;
1122a5fc
NC		 627 case OPTION_NO_DEFAULT_EXCLUDES:
628 pe_dll_do_default_excludes = 0;
629 break;
decc3638 630 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 631 link_info.pei386_auto_import = 1;
decc3638
CW		 632 break;
633 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 634 link_info.pei386_auto_import = 0;
decc3638
CW		 635 break;
636 case OPTION_ENABLE_EXTRA_PE_DEBUG:
637 pe_dll_extra_pe_debug = 1;
638 break;
c6c37250 639#endif
252b5132
RH		 640 }
641 return 1;
642}
643\f
5f577f7d 644
2ef53d66 645#ifdef DLL_SUPPORT
3fc90ddb 646static unsigned long
5f577f7d
DD		 647strhash (const char *str)
648{
649 const unsigned char *s;
650 unsigned long hash;
651 unsigned int c;
652 unsigned int len;
653
654 hash = 0;
655 len = 0;
656 s = (const unsigned char *) str;
657 while ((c = *s++) != '\0')
658 {
659 hash += c + (c << 17);
660 hash ^= hash >> 2;
661 ++len;
662 }
663 hash += len + (len << 17);
664 hash ^= hash >> 2;
665
666 return hash;
667}
668
669/* Use the output file to create a image base for relocatable DLLs. */
670static unsigned long
671compute_dll_image_base (const char *ofile)
672{
673 unsigned long hash = strhash (ofile);
674 return 0x60000000 | ((hash << 16) & 0x0FFC0000);
675}
2ef53d66 676#endif
5f577f7d 677
252b5132
RH		 678/* Assign values to the special symbols before the linker script is
679 read. */
680
681static void
682gld_${EMULATION_NAME}_set_symbols ()
683{
684 /* Run through and invent symbols for all the
685 names and insert the defaults. */
686 int j;
687 lang_statement_list_type *save;
688
689 if (!init[IMAGEBASEOFF].inited)
690 {
691 if (link_info.relocateable)
692 init[IMAGEBASEOFF].value = 0;
693 else if (init[DLLOFF].value || link_info.shared)
2ef53d66 694#ifdef DLL_SUPPORT
5f577f7d
DD		 695 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
696 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
2ef53d66
L		 697#else
698 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
699#endif
252b5132
RH		 700 else
701 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
702 }
703
704 /* Don't do any symbol assignments if this is a relocateable link. */
705 if (link_info.relocateable)
706 return;
707
708 /* Glue the assignments into the abs section */
709 save = stat_ptr;
710
711 stat_ptr = &(abs_output_section->children);
712
713 for (j = 0; init[j].ptr; j++)
714 {
715 long val = init[j].value;
716 lang_assignment_statement_type *rv;
2c382fb6
AM		 717 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
718 exp_intop (val)));
252b5132
RH		 719 if (init[j].size == sizeof(short))
720 *(short *)init[j].ptr = val;
721 else if (init[j].size == sizeof(int))
722 *(int *)init[j].ptr = val;
723 else if (init[j].size == sizeof(long))
724 *(long *)init[j].ptr = val;
725 /* This might be a long long or other special type. */
726 else if (init[j].size == sizeof(bfd_vma))
727 *(bfd_vma *)init[j].ptr = val;
728 else abort();
729 if (j == IMAGEBASEOFF)
730 image_base_statement = rv;
731 }
732 /* Restore the pointer. */
733 stat_ptr = save;
3fc90ddb 734
252b5132
RH		 735 if (pe.FileAlignment >
736 pe.SectionAlignment)
737 {
738 einfo (_("%P: warning, file alignment > section alignment.\n"));
739 }
740}
741
742/* This is called after the linker script and the command line options
743 have been read. */
744
745static void
746gld_${EMULATION_NAME}_after_parse ()
747{
748 /* The Windows libraries are designed for the linker to treat the
749 entry point as an undefined symbol. Otherwise, the .obj that
750 defines mainCRTStartup is brought in because it is the first
751 encountered in libc.lib and it has other symbols in it which will
752 be pulled in by the link process. To avoid this, we act as
753 though the user specified -u with the entry point symbol.
754
755 This function is called after the linker script and command line
756 options have been read, so at this point we know the right entry
757 point. This function is called before the input files are
758 opened, so registering the symbol as undefined will make a
759 difference. */
760
e3e942e9
AM		 761 if (! link_info.relocateable && entry_symbol.name != NULL)
762 ldlang_add_undef (entry_symbol.name);
252b5132
RH		 763}
764
aa3d9aba
NC		 765/* pe-dll.c directly accesses pe_data_import_dll,
766 so it must be defined outside of #ifdef DLL_SUPPORT.
767 Note - this variable is deliberately not initialised.
768 This allows it to be treated as a common varaible, and only
769 exist in one incarnation in a multiple target enabled linker. */
770char * pe_data_import_dll;
72358f65 771
2ef53d66 772#ifdef DLL_SUPPORT
252b5132
RH		 773static struct bfd_link_hash_entry *pe_undef_found_sym;
774
775static boolean
776pe_undef_cdecl_match (h, string)
777 struct bfd_link_hash_entry *h;
778 PTR string;
779{
decc3638
CW		 780 int sl;
781 sl = strlen (string); /* silence compiler warning */
252b5132
RH		 782 if (h->type == bfd_link_hash_defined
783 && strncmp (h->root.string, string, sl) == 0
784 && h->root.string[sl] == '@')
decc3638
CW		 785 {
786 pe_undef_found_sym = h;
787 return false;
788 }
252b5132
RH		 789 return true;
790}
791
792static void
793pe_fixup_stdcalls ()
794{
795 static int gave_warning_message = 0;
796 struct bfd_link_hash_entry *undef, *sym;
c9e38879 797
3fc90ddb 798 if (pe_dll_extra_pe_debug)
c9e38879 799 printf ("%s\n", __FUNCTION__);
3fc90ddb 800
252b5132
RH		 801 for (undef = link_info.hash->undefs; undef; undef=undef->next)
802 if (undef->type == bfd_link_hash_undefined)
252b5132 803 {
c9e38879
NC		 804 char* at = strchr (undef->root.string, '@');
805 int lead_at = (*undef->root.string == '@');
806 /* For now, don't try to fixup fastcall symbols. */
807
808 if (at && !lead_at)
809 {
810 /* The symbol is a stdcall symbol, so let's look for a
811 cdecl symbol with the same name and resolve to that. */
812 char *cname = xstrdup (undef->root.string /* + lead_at */);
813 at = strchr (cname, '@');
814 *at = 0;
815 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
816
817 if (sym && sym->type == bfd_link_hash_defined)
818 {
819 undef->type = bfd_link_hash_defined;
820 undef->u.def.value = sym->u.def.value;
821 undef->u.def.section = sym->u.def.section;
822 if (pe_enable_stdcall_fixup == -1)
823 {
824 einfo (_("Warning: resolving %s by linking to %s\n"),
825 undef->root.string, cname);
826 if (! gave_warning_message)
827 {
828 gave_warning_message = 1;
829 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
830 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
831 }
832 }
833 }
834 }
835 else
836 {
837 /* The symbol is a cdecl symbol, so we look for stdcall
838 symbols - which means scanning the whole symbol table */
839 pe_undef_found_sym = 0;
840 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
841 (PTR) undef->root.string);
842 sym = pe_undef_found_sym;
843 if (sym)
844 {
845 undef->type = bfd_link_hash_defined;
846 undef->u.def.value = sym->u.def.value;
847 undef->u.def.section = sym->u.def.section;
848 if (pe_enable_stdcall_fixup == -1)
849 {
850 einfo (_("Warning: resolving %s by linking to %s\n"),
851 undef->root.string, sym->root.string);
852 if (! gave_warning_message)
853 {
854 gave_warning_message = 1;
855 einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
856 einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
857 }
858 }
859 }
860 }
252b5132 861 }
252b5132 862}
decc3638
CW		 863
864static int
0d888aac 865make_import_fixup (rel, s)
decc3638 866 arelent *rel;
0d888aac 867 asection *s;
decc3638
CW		 868{
869 struct symbol_cache_entry *sym = *rel->sym_ptr_ptr;
c9e38879 870 int addend = 0;
decc3638 871
3fc90ddb 872 if (pe_dll_extra_pe_debug)
c9e38879
NC		 873 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
874 (long) rel->address, (long) rel->addend);
0d888aac 875
c9e38879
NC		 876 if (!bfd_get_section_contents(s->owner, s, &addend, rel->address, sizeof(addend)))
877 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
878 s->owner, s, rel->address);
0d888aac 879
c9e38879
NC		 880 if (addend == 0)
881 pe_create_import_fixup (rel);
882 else
883 {
884 einfo (_("%C: variable '%T' can't be auto-imported. Please read the documentation for ld's --enable-auto-import for details.\n"),
885 s->owner, s, rel->address, sym->name);
886 einfo ("%X");
887 }
0d888aac 888
decc3638
CW		 889 return 1;
890}
891
decc3638
CW		 892static void
893pe_find_data_imports ()
894{
895 struct bfd_link_hash_entry *undef, *sym;
c9e38879 896
decc3638
CW		 897 for (undef = link_info.hash->undefs; undef; undef=undef->next)
898 {
899 if (undef->type == bfd_link_hash_undefined)
900 {
901 /* C++ symbols are *long* */
902 char buf[4096];
c9e38879
NC		 903
904 if (pe_dll_extra_pe_debug)
905 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
906
decc3638
CW		 907 sprintf (buf, "__imp_%s", undef->root.string);
908
909 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
c9e38879 910
decc3638
CW		 911 if (sym && sym->type == bfd_link_hash_defined)
912 {
e0076ab3
NC		 913 if (link_info.pei386_auto_import == -1)
914 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
c9e38879
NC		 915 undef->root.string, buf);
916
917 {
918 bfd *b = sym->u.def.section->owner;
919 asymbol **symbols;
920 int nsyms, symsize, i;
921
922 symsize = bfd_get_symtab_upper_bound (b);
923 symbols = (asymbol **) xmalloc (symsize);
924 nsyms = bfd_canonicalize_symtab (b, symbols);
925
926 for (i = 0; i < nsyms; i++)
927 {
928 if (memcmp(symbols[i]->name, "__head_",
929 sizeof ("__head_") - 1))
930 continue;
931
932 if (pe_dll_extra_pe_debug)
933 printf ("->%s\n", symbols[i]->name);
934
935 pe_data_import_dll = (char*) (symbols[i]->name +
936 sizeof ("__head_") - 1);
937 break;
938 }
939 }
940
941 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
942 make_import_fixup);
943
944 /* Let's differentiate it somehow from defined. */
945 undef->type = bfd_link_hash_defweak;
946 /* We replace original name with __imp_ prefixed, this
947 1) may trash memory 2) leads to duplicate symbol generation.
948 Still, IMHO it's better than having name poluted. */
949 undef->root.string = sym->root.string;
950 undef->u.def.value = sym->u.def.value;
951 undef->u.def.section = sym->u.def.section;
decc3638
CW		 952 }
953 }
954 }
955}
f0c87f88 956#endif /* DLL_SUPPORT */
252b5132 957
decc3638
CW		 958static boolean
959pr_sym (h, string)
960 struct bfd_hash_entry *h;
3fc90ddb 961 PTR string ATTRIBUTE_UNUSED;
decc3638 962{
3fc90ddb 963 if (pe_dll_extra_pe_debug)
c9e38879
NC		 964 printf ("+%s\n",h->string);
965
decc3638
CW		 966 return true;
967}
968
969
252b5132
RH		 970static void
971gld_${EMULATION_NAME}_after_open ()
972{
3fc90ddb 973 if (pe_dll_extra_pe_debug)
decc3638
CW		 974 {
975 bfd *a;
976 struct bfd_link_hash_entry *sym;
c9e38879 977
decc3638
CW		 978 printf ("%s()\n", __FUNCTION__);
979
980 for (sym = link_info.hash->undefs; sym; sym=sym->next)
981 printf ("-%s\n", sym->root.string);
982 bfd_hash_traverse (&link_info.hash->table, pr_sym,NULL);
983
984 for (a = link_info.input_bfds; a; a = a->link_next)
c9e38879 985 printf ("*%s\n",a->filename);
decc3638 986 }
3fc90ddb 987
252b5132
RH		 988 /* Pass the wacky PE command line options into the output bfd.
989 FIXME: This should be done via a function, rather than by
990 including an internal BFD header. */
3fc90ddb 991
db09f25b 992 if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
252b5132
RH		 993 einfo (_("%F%P: PE operations on non PE file.\n"));
994
995 pe_data (output_bfd)->pe_opthdr = pe;
996 pe_data (output_bfd)->dll = init[DLLOFF].value;
997
c6c37250 998#ifdef DLL_SUPPORT
252b5132
RH		 999 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1000 pe_fixup_stdcalls ();
1001
3fc90ddb 1002 pe_find_data_imports ();
decc3638 1003
252b5132
RH		 1004 pe_process_import_defs(output_bfd, &link_info);
1005 if (link_info.shared)
1006 pe_dll_build_sections (output_bfd, &link_info);
344a211f
NC		 1007
1008#ifndef TARGET_IS_i386pe
1009#ifndef TARGET_IS_armpe
1010 else
1011 pe_exe_build_sections (output_bfd, &link_info);
1012#endif
1013#endif
252b5132
RH		 1014#endif
1015
626e0105 1016#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
f11523b0
NC		 1017 if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
1018 {
1019 /* The arm backend needs special fields in the output hash structure.
1020 These will only be created if the output format is an arm format,
1021 hence we do not support linking and changing output formats at the
1022 same time. Use a link followed by objcopy to change output formats. */
1023 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1024 return;
1025 }
252b5132
RH		 1026 {
1027 /* Find a BFD that can hold the interworking stubs. */
1028 LANG_FOR_EACH_INPUT_STATEMENT (is)
1029 {
46d23b7c 1030 if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH		 1031 break;
1032 }
1033 }
1034#endif
c6c37250 1035
486e80e2 1036 {
486e80e2
DD		 1037 /* This next chunk of code tries to detect the case where you have
1038 two import libraries for the same DLL (specifically,
1039 symbolically linking libm.a and libc.a in cygwin to
1040 libcygwin.a). In those cases, it's possible for function
1041 thunks from the second implib to be used but without the
1042 head/tail objects, causing an improper import table. We detect
1043 those cases and rename the "other" import libraries to match
1044 the one the head/tail come from, so that the linker will sort
1045 things nicely and produce a valid import table. */
1046
1047 LANG_FOR_EACH_INPUT_STATEMENT (is)
1048 {
1049 if (is->the_bfd->my_archive)
1050 {
1051 int idata2 = 0, reloc_count=0, is_imp = 0;
1052 asection *sec;
3fc90ddb 1053
6e45556a 1054 /* See if this is an import library thunk. */
486e80e2
DD		 1055 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1056 {
1057 if (strcmp (sec->name, ".idata\$2") == 0)
1058 idata2 = 1;
1059 if (strncmp (sec->name, ".idata\$", 7) == 0)
1060 is_imp = 1;
1061 reloc_count += sec->reloc_count;
1062 }
3fc90ddb 1063
486e80e2
DD		 1064 if (is_imp && !idata2 && reloc_count)
1065 {
6e45556a
NC		 1066 /* It is, look for the reference to head and see if it's
1067 from our own library. */
486e80e2
DD		 1068 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1069 {
1070 int i;
6e45556a
NC		 1071 long symsize;
1072 long relsize;
102c86f8 1073 asymbol **symbols;
102c86f8
NC		 1074 arelent **relocs;
1075 int nrelocs;
3fc90ddb 1076
102c86f8 1077 symsize = bfd_get_symtab_upper_bound (is->the_bfd);
6e45556a
NC		 1078 if (symsize < 1)
1079 break;
102c86f8 1080 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC		 1081 if (relsize < 1)
1082 break;
3fc90ddb 1083
6e45556a 1084 symbols = (asymbol **) xmalloc (symsize);
3fc90ddb 1085 symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
6e45556a
NC		 1086 if (symsize < 0)
1087 {
1088 einfo ("%X%P: unable to process symbols: %E");
1089 return;
1090 }
3fc90ddb 1091
102c86f8
NC		 1092 relocs = (arelent **) xmalloc ((size_t) relsize);
1093 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
486e80e2 1094 relocs, symbols);
6e45556a
NC		 1095 if (nrelocs < 0)
1096 {
1097 free (relocs);
1098 einfo ("%X%P: unable to process relocs: %E");
1099 return;
1100 }
3fc90ddb 1101
6e45556a 1102 for (i = 0; i < nrelocs; i++)
486e80e2
DD		 1103 {
1104 struct symbol_cache_entry *s;
6e45556a
NC		 1105 struct bfd_link_hash_entry * blhe;
1106 bfd *other_bfd;
1107 char *n;
3fc90ddb 1108
486e80e2 1109 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1110
6e45556a
NC		 1111 if (s->flags & BSF_LOCAL)
1112 continue;
3fc90ddb 1113
6e45556a
NC		 1114 /* Thunk section with reloc to another bfd. */
1115 blhe = bfd_link_hash_lookup (link_info.hash,
1116 s->name,
1117 false, false, true);
3fc90ddb 1118
6e45556a
NC		 1119 if (blhe == NULL
1120 || blhe->type != bfd_link_hash_defined)
1121 continue;
3fc90ddb 1122
6e45556a 1123 other_bfd = blhe->u.def.section->owner;
3fc90ddb 1124
6e45556a
NC		 1125 if (strcmp (is->the_bfd->my_archive->filename,
1126 other_bfd->my_archive->filename) == 0)
1127 continue;
3fc90ddb 1128
6e45556a
NC		 1129 /* Rename this implib to match the other. */
1130 n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
3fc90ddb 1131
6e45556a 1132 strcpy (n, other_bfd->my_archive->filename);
3fc90ddb 1133
6e45556a 1134 is->the_bfd->my_archive->filename = n;
486e80e2
DD		 1135 }
1136
1137 free (relocs);
6e45556a
NC		 1138 /* Note - we do not free the symbols,
1139 they are now cached in the BFD. */
486e80e2
DD		 1140 }
1141 }
1142 }
1143 }
1144 }
1145
c6c37250 1146 {
f0c87f88 1147 int is_ms_arch = 0;
1069dd8d 1148 bfd *cur_arch = 0;
c6c37250 1149 lang_input_statement_type *is2;
1069dd8d 1150
c6c37250
DD		 1151 /* Careful - this is a shell script. Watch those dollar signs! */
1152 /* Microsoft import libraries have every member named the same,
1153 and not in the right order for us to link them correctly. We
1154 must detect these and rename the members so that they'll link
1155 correctly. There are three types of objects: the head, the
1156 thunks, and the sentinel(s). The head is easy; it's the one
1157 with idata2. We assume that the sentinels won't have relocs,
1158 and the thunks will. It's easier than checking the symbol
1069dd8d 1159 table for external references. */
c6c37250
DD		 1160 LANG_FOR_EACH_INPUT_STATEMENT (is)
1161 {
1162 if (is->the_bfd->my_archive)
1163 {
1164 bfd *arch = is->the_bfd->my_archive;
1165 if (cur_arch != arch)
1166 {
1167 cur_arch = arch;
1168 is_ms_arch = 1;
1169 for (is2 = is;
1170 is2 && is2->the_bfd->my_archive == arch;
1171 is2 = (lang_input_statement_type *)is2->next)
1172 {
1173 if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
1174 is_ms_arch = 0;
1175 }
1176 }
1177
1178 if (is_ms_arch)
1179 {
1069dd8d 1180 int idata2 = 0, reloc_count=0;
c6c37250
DD		 1181 asection *sec;
1182 char *new_name, seq;
1069dd8d 1183
c6c37250
DD		 1184 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1185 {
1186 if (strcmp (sec->name, ".idata\$2") == 0)
1187 idata2 = 1;
1188 reloc_count += sec->reloc_count;
1189 }
1190
1191 if (idata2) /* .idata2 is the TOC */
1192 seq = 'a';
1193 else if (reloc_count > 0) /* thunks */
1194 seq = 'b';
1195 else /* sentinel */
1196 seq = 'c';
1197
e4e24acb 1198 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD		 1199 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1200 is->the_bfd->filename = new_name;
1201
690a460e 1202 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD		 1203 sprintf (new_name, "%s.%c", is->filename, seq);
1204 is->filename = new_name;
1205 }
1206 }
1207 }
1208 }
252b5132
RH		 1209}
1210\f
3fc90ddb 1211static void
252b5132
RH		 1212gld_${EMULATION_NAME}_before_allocation()
1213{
1214#ifdef TARGET_IS_ppcpe
c9e38879 1215 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH		 1216 {
1217 LANG_FOR_EACH_INPUT_STATEMENT (is)
1218 {
1219 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1220 {
1221 /* xgettext:c-format */
1222 einfo (_("Errors encountered processing file %s\n"), is->filename);
1223 }
1224 }
1225 }
1226
c9e38879 1227 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH		 1228 ppc_allocate_toc_section (&link_info);
1229#endif /* TARGET_IS_ppcpe */
1230
626e0105 1231#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
252b5132
RH		 1232 /* FIXME: we should be able to set the size of the interworking stub
1233 section.
1234
1235 Here we rummage through the found bfds to collect glue
1236 information. FIXME: should this be based on a command line
c9e38879 1237 option? krk@cygnus.com. */
252b5132
RH		 1238 {
1239 LANG_FOR_EACH_INPUT_STATEMENT (is)
1240 {
46d23b7c 1241 if (! bfd_arm_pe_process_before_allocation
252b5132
RH		 1242 (is->the_bfd, & link_info, support_old_code))
1243 {
1244 /* xgettext:c-format */
1245 einfo (_("Errors encountered processing file %s for interworking"),
1246 is->filename);
1247 }
1248 }
1249 }
1250
c9e38879 1251 /* We have seen it all. Allocate it, and carry on. */
46d23b7c 1252 bfd_arm_pe_allocate_interworking_sections (& link_info);
252b5132
RH		 1253#endif /* TARGET_IS_armpe */
1254}
1255\f
690a460e 1256#ifdef DLL_SUPPORT
252b5132 1257/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1258 check here for .DEF files and pull them in automatically. */
690a460e 1259
252b5132 1260static int
c9e38879 1261saw_option (char * option)
252b5132
RH		 1262{
1263 int i;
c9e38879
NC		 1264
1265 for (i = 0; init[i].ptr; i++)
252b5132
RH		 1266 if (strcmp (init[i].symbol, option) == 0)
1267 return init[i].inited;
1268 return 0;
1269}
690a460e 1270#endif /* DLL_SUPPORT */
252b5132
RH		 1271
1272static boolean
1273gld_${EMULATION_NAME}_unrecognized_file(entry)
f0c87f88 1274 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1275{
c6c37250 1276#ifdef DLL_SUPPORT
252b5132
RH		 1277 const char *ext = entry->filename + strlen (entry->filename) - 4;
1278
1279 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
252b5132 1280 {
c9e38879
NC		 1281 if (pe_def_file == 0)
1282 pe_def_file = def_file_empty ();
1283
1284 def_file_parse (entry->filename, pe_def_file);
1285
1286 if (pe_def_file)
252b5132 1287 {
c9e38879
NC		 1288 int i, buflen=0, len;
1289 char *buf;
252b5132 1290
c9e38879 1291 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1292 {
c9e38879
NC		 1293 len = strlen(pe_def_file->exports[i].internal_name);
1294 if (buflen < len + 2)
1295 buflen = len + 2;
252b5132 1296 }
252b5132 1297
c9e38879 1298 buf = (char *) xmalloc (buflen);
252b5132 1299
c9e38879
NC		 1300 for (i = 0; i < pe_def_file->num_exports; i++)
1301 {
1302 struct bfd_link_hash_entry *h;
1303
1304 sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
1305
1306 h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
1307 if (h == (struct bfd_link_hash_entry *) NULL)
1308 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1309 if (h->type == bfd_link_hash_new)
1310 {
1311 h->type = bfd_link_hash_undefined;
1312 h->u.undef.abfd = NULL;
1313 bfd_link_add_undef (link_info.hash, h);
1314 }
1315 }
1316 free (buf);
1317
1318 /* def_file_print (stdout, pe_def_file); */
1319 if (pe_def_file->is_dll == 1)
1320 link_info.shared = 1;
1321
1322 if (pe_def_file->base_address != (bfd_vma)(-1))
1323 {
1324 pe.ImageBase =
1325 pe_data (output_bfd)->pe_opthdr.ImageBase =
1326 init[IMAGEBASEOFF].value = pe_def_file->base_address;
1327 init[IMAGEBASEOFF].inited = 1;
1328 if (image_base_statement)
1329 image_base_statement->exp =
1330 exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
1331 }
252b5132
RH		 1332
1333#if 0
c9e38879
NC		 1334 /* Not sure if these *should* be set */
1335 if (pe_def_file->version_major != -1)
1336 {
1337 pe.MajorImageVersion = pe_def_file->version_major;
1338 pe.MinorImageVersion = pe_def_file->version_minor;
1339 }
252b5132 1340#endif
c9e38879
NC		 1341 if (pe_def_file->stack_reserve != -1
1342 && ! saw_option ("__size_of_stack_reserve__"))
1343 {
1344 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1345 if (pe_def_file->stack_commit != -1)
1346 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1347 }
1348 if (pe_def_file->heap_reserve != -1
1349 && ! saw_option ("__size_of_heap_reserve__"))
1350 {
1351 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1352 if (pe_def_file->heap_commit != -1)
1353 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1354 }
1355 return true;
1356 }
252b5132 1357 }
252b5132
RH		 1358#endif
1359 return false;
252b5132
RH		 1360}
1361
1362static boolean
1363gld_${EMULATION_NAME}_recognized_file(entry)
f0c87f88 1364 lang_input_statement_type *entry ATTRIBUTE_UNUSED;
252b5132 1365{
c6c37250 1366#ifdef DLL_SUPPORT
252b5132 1367#ifdef TARGET_IS_i386pe
c6c37250 1368 pe_dll_id_target ("pei-i386");
344a211f
NC		 1369#endif
1370#ifdef TARGET_IS_shpe
1371 pe_dll_id_target ("pei-shl");
1372#endif
1373#ifdef TARGET_IS_mipspe
1374 pe_dll_id_target ("pei-mips");
1375#endif
1376#ifdef TARGET_IS_armpe
1377 pe_dll_id_target ("pei-arm-little");
c6c37250 1378#endif
252b5132
RH		 1379 if (bfd_get_format (entry->the_bfd) == bfd_object)
1380 {
1381 const char *ext = entry->filename + strlen (entry->filename) - 4;
c9e38879 1382
252b5132
RH		 1383 if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
1384 return pe_implied_import_dll (entry->filename);
1385 }
1386#endif
1387 return false;
1388}
1389
1390static void
1391gld_${EMULATION_NAME}_finish ()
1392{
6f798e5c
NC		 1393#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
1394 struct bfd_link_hash_entry * h;
1395
1396 if (thumb_entry_symbol != NULL)
1397 {
1398 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
3fc90ddb 1399
6f798e5c
NC		 1400 if (h != (struct bfd_link_hash_entry *) NULL
1401 && (h->type == bfd_link_hash_defined
1402 || h->type == bfd_link_hash_defweak)
1403 && h->u.def.section->output_section != NULL)
1404 {
1405 static char buffer[32];
1406 bfd_vma val;
3fc90ddb 1407
6f798e5c
NC		 1408 /* Special procesing is required for a Thumb entry symbol. The
1409 bottom bit of its address must be set. */
1410 val = (h->u.def.value
1411 + bfd_get_section_vma (output_bfd,
1412 h->u.def.section->output_section)
1413 + h->u.def.section->output_offset);
3fc90ddb 1414
6f798e5c 1415 val |= 1;
3fc90ddb 1416
6f798e5c
NC		 1417 /* Now convert this value into a string and store it in entry_symbol
1418 where the lang_finish() function will pick it up. */
1419 buffer[0] = '0';
1420 buffer[1] = 'x';
3fc90ddb 1421
6f798e5c 1422 sprintf_vma (buffer + 2, val);
3fc90ddb 1423
e3e942e9 1424 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1425 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM		 1426 thumb_entry_symbol, entry_symbol.name);
1427 entry_symbol.name = buffer;
6f798e5c
NC		 1428 }
1429 else
1430 einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
1431 }
1432#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
1433
c6c37250 1434#ifdef DLL_SUPPORT
252b5132
RH		 1435 if (link_info.shared)
1436 {
1437 pe_dll_fill_sections (output_bfd, &link_info);
1438 if (pe_implib_filename)
1439 pe_dll_generate_implib (pe_def_file, pe_implib_filename);
1440 }
344a211f 1441#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
690a460e 1442 /* ARM doesn't need relocs. */
344a211f
NC		 1443 else
1444 {
1445 pe_exe_fill_sections (output_bfd, &link_info);
1446 }
1447#endif
3fc90ddb 1448
252b5132
RH		 1449 if (pe_out_def_filename)
1450 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1451#endif /* DLL_SUPPORT */
decc3638 1452
c9e38879 1453 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638
CW		 1454 {
1455 asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
c9e38879 1456
decc3638
CW		 1457 if (asec)
1458 {
1459 asec->flags &= ~SEC_CODE;
1460 asec->flags |= SEC_DATA;
1461 }
1462 }
252b5132
RH		 1463}
1464
1465\f
ae7fb08f
AM		 1466/* Find the last output section before given output statement.
1467 Used by place_orphan. */
1468
1469static asection *
1470output_prev_sec_find (os)
1471 lang_output_section_statement_type *os;
1472{
1473 asection *s = (asection *) NULL;
1474 lang_statement_union_type *u;
1475 lang_output_section_statement_type *lookup;
1476
1477 for (u = lang_output_section_statement.head;
1478 u != (lang_statement_union_type *) NULL;
1479 u = lookup->next)
1480 {
1481 lookup = &u->output_section_statement;
1482 if (lookup == os)
1483 return s;
1484
1485 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
1486 s = lookup->bfd_section;
1487 }
1488
1489 return NULL;
1490}
1491
252b5132
RH		 1492/* Place an orphan section.
1493
1494 We use this to put sections in a reasonable place in the file, and
1495 to ensure that they are aligned as required.
1496
1497 We handle grouped sections here as well. A section named .foo$nn
1498 goes into the output section .foo. All grouped sections are sorted
1499 by name.
1500
1501 Grouped sections for the default sections are handled by the
1502 default linker script using wildcards, and are sorted by
1503 sort_sections. */
1504
6a345e87
AM		 1505struct orphan_save
1506{
1507 lang_output_section_statement_type *os;
5ba47421 1508 asection **section;
6a345e87
AM		 1509 lang_statement_union_type **stmt;
1510};
252b5132 1511
252b5132
RH		 1512static boolean
1513gld_${EMULATION_NAME}_place_orphan (file, s)
1514 lang_input_statement_type *file;
1515 asection *s;
1516{
1517 const char *secname;
aea4bd9d 1518 char *hold_section_name;
f0c87f88 1519 char *dollar = NULL;
2e418547 1520 const char *ps = NULL;
aea4bd9d 1521 lang_output_section_statement_type *os;
5ba47421 1522 lang_statement_list_type add_child;
252b5132 1523
252b5132
RH		 1524 secname = bfd_get_section_name (s->owner, s);
1525
1526 /* Look through the script to see where to place this section. */
252b5132 1527 hold_section_name = xstrdup (secname);
6eec49fc
DD		 1528 if (!link_info.relocateable)
1529 {
1530 dollar = strchr (hold_section_name, '$');
1531 if (dollar != NULL)
1532 *dollar = '\0';
1533 }
252b5132 1534
aea4bd9d 1535 os = lang_output_section_find (hold_section_name);
252b5132 1536
5ba47421
AM		 1537 lang_list_init (&add_child);
1538
aea4bd9d 1539 if (os != NULL
ae7fb08f
AM		 1540 && (os->bfd_section == NULL
1541 || ((s->flags ^ os->bfd_section->flags)
1542 & (SEC_LOAD | SEC_ALLOC)) == 0))
5ba47421 1543 {
ae7fb08f
AM		 1544 /* We already have an output section statement with this
1545 name, and its bfd section, if any, has compatible flags. */
39dcfe18 1546 lang_add_section (&add_child, s, os, file);
5ba47421
AM		 1547 }
1548 else
252b5132 1549 {
6a345e87 1550 struct orphan_save *place;
aea4bd9d
AM		 1551 static struct orphan_save hold_text;
1552 static struct orphan_save hold_rdata;
1553 static struct orphan_save hold_data;
1554 static struct orphan_save hold_bss;
252b5132 1555 char *outsecname;
252b5132
RH		 1556 lang_statement_list_type *old;
1557 lang_statement_list_type add;
1558 etree_type *address;
1559
1560 /* Try to put the new output section in a reasonable place based
1561 on the section name and section flags. */
aea4bd9d
AM		 1562#define HAVE_SECTION(hold, name) \
1563(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1564
252b5132 1565 place = NULL;
5ba47421
AM		 1566 if ((s->flags & SEC_ALLOC) == 0)
1567 ;
1568 else if ((s->flags & SEC_HAS_CONTENTS) == 0
aea4bd9d 1569 && HAVE_SECTION (hold_bss, ".bss"))
6a345e87 1570 place = &hold_bss;
252b5132 1571 else if ((s->flags & SEC_READONLY) == 0
aea4bd9d 1572 && HAVE_SECTION (hold_data, ".data"))
6a345e87 1573 place = &hold_data;
252b5132
RH		 1574 else if ((s->flags & SEC_CODE) == 0
1575 && (s->flags & SEC_READONLY) != 0
aea4bd9d 1576 && HAVE_SECTION (hold_rdata, ".rdata"))
6a345e87 1577 place = &hold_rdata;
252b5132 1578 else if ((s->flags & SEC_READONLY) != 0
aea4bd9d 1579 && HAVE_SECTION (hold_text, ".text"))
6a345e87 1580 place = &hold_text;
252b5132 1581
aea4bd9d
AM		 1582#undef HAVE_SECTION
1583
252b5132
RH		 1584 /* Choose a unique name for the section. This will be needed if
1585 the same section name appears in the input file with
ae7fb08f 1586 different loadable or allocatable characteristics. */
252b5132
RH		 1587 outsecname = xstrdup (hold_section_name);
1588 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
1589 {
1590 unsigned int len;
1591 char *newname;
1592 unsigned int i;
1593
1594 len = strlen (outsecname);
1595 newname = xmalloc (len + 5);
1596 strcpy (newname, outsecname);
1597 i = 0;
1598 do
1599 {
1600 sprintf (newname + len, "%d", i);
1601 ++i;
1602 }
1603 while (bfd_get_section_by_name (output_bfd, newname) != NULL);
1604
1605 free (outsecname);
1606 outsecname = newname;
1607 }
1608
252b5132
RH		 1609 /* Start building a list of statements for this section. */
1610 old = stat_ptr;
1611 stat_ptr = &add;
1612 lang_list_init (stat_ptr);
1613
2e418547
PB		 1614 if (config.build_constructors)
1615 {
1616 /* If the name of the section is representable in C, then create
1617 symbols to mark the start and the end of the section. */
1618 for (ps = outsecname; *ps != '\0'; ps++)
1619 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1620 break;
1621 if (*ps == '\0')
1622 {
1623 char *symname;
1624 etree_type *e_align;
3fc90ddb 1625
2e418547
PB		 1626 symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
1627 sprintf (symname, "___start_%s", outsecname);
1628 e_align = exp_unop (ALIGN_K,
1629 exp_intop ((bfd_vma) 1 << s->alignment_power));
1630 lang_add_assignment (exp_assop ('=', symname, e_align));
1631 }
1632 }
3fc90ddb 1633
01cc8ff8
AM		 1634 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1635 address = exp_intop ((bfd_vma) 0);
252b5132
RH		 1636 else
1637 {
1638 /* All sections in an executable must be aligned to a page
1639 boundary. */
1640 address = exp_unop (ALIGN_K,
1641 exp_nameop (NAME, "__section_alignment__"));
1642 }
1643
aea4bd9d
AM		 1644 os = lang_enter_output_section_statement (outsecname, address, 0,
1645 (bfd_vma) 0,
1646 (etree_type *) NULL,
1647 (etree_type *) NULL,
1648 (etree_type *) NULL);
252b5132 1649
39dcfe18 1650 lang_add_section (&add_child, s, os, file);
252b5132
RH		 1651
1652 lang_leave_output_section_statement
1653 ((bfd_vma) 0, "*default*",
ee3cc2e2 1654 (struct lang_output_section_phdr_list *) NULL, NULL);
252b5132 1655
2e418547
PB		 1656 if (config.build_constructors && *ps == '\0')
1657 {
1658 char *symname;
1659
c9e38879
NC		 1660 /* lang_leave_ouput_section_statement resets stat_ptr.
1661 Put stat_ptr back where we want it. */
2e418547
PB		 1662 if (place != NULL)
1663 stat_ptr = &add;
3fc90ddb 1664
2e418547
PB		 1665 symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
1666 sprintf (symname, "___stop_%s", outsecname);
1667 lang_add_assignment (exp_assop ('=', symname,
1668 exp_nameop (NAME, ".")));
1669 }
1670
5ba47421
AM		 1671 stat_ptr = old;
1672
25844aae 1673 if (place != NULL && os->bfd_section != NULL)
252b5132 1674 {
5ba47421
AM		 1675 asection *snew, **pps;
1676
aea4bd9d 1677 snew = os->bfd_section;
ae7fb08f
AM		 1678
1679 /* Shuffle the bfd section list to make the output file look
1680 neater. This is really only cosmetic. */
1681 if (place->section == NULL)
5ba47421 1682 {
ae7fb08f
AM		 1683 asection *bfd_section = place->os->bfd_section;
1684
1685 /* If the output statement hasn't been used to place
1686 any input sections (and thus doesn't have an output
1687 bfd_section), look for the closest prior output statement
1688 having an output section. */
1689 if (bfd_section == NULL)
1690 bfd_section = output_prev_sec_find (place->os);
1691
1692 if (bfd_section != NULL && bfd_section != snew)
1693 place->section = &bfd_section->next;
1694 }
5ba47421 1695
ae7fb08f
AM		 1696 if (place->section != NULL)
1697 {
3dfe7a8c 1698 /* Unlink the section. */
ae7fb08f
AM		 1699 for (pps = &output_bfd->sections;
1700 *pps != snew;
1701 pps = &(*pps)->next)
5ba47421 1702 ;
3dfe7a8c 1703 bfd_section_list_remove (output_bfd, pps);
5ba47421
AM		 1704
1705 /* Now tack it on to the "place->os" section list. */
3dfe7a8c 1706 bfd_section_list_insert (output_bfd, place->section, snew);
5ba47421 1707 }
5ba47421 1708
ae7fb08f
AM		 1709 /* Save the end of this list. Further ophans of this type will
1710 follow the one we've just added. */
1711 place->section = &snew->next;
1712
1713 /* The following is non-cosmetic. We try to put the output
1714 statements in some sort of reasonable order here, because
1715 they determine the final load addresses of the orphan
1716 sections. In addition, placing output statements in the
1717 wrong order may require extra segments. For instance,
1718 given a typical situation of all read-only sections placed
1719 in one segment and following that a segment containing all
1720 the read-write sections, we wouldn't want to place an orphan
1721 read/write section before or amongst the read-only ones. */
1722 if (add.head != NULL)
6a345e87 1723 {
ae7fb08f
AM		 1724 if (place->stmt == NULL)
1725 {
1726 /* Put the new statement list right at the head. */
1727 *add.tail = place->os->header.next;
1728 place->os->header.next = add.head;
1729 }
1730 else
1731 {
1732 /* Put it after the last orphan statement we added. */
1733 *add.tail = *place->stmt;
1734 *place->stmt = add.head;
1735 }
1736
1737 /* Fix the global list pointer if we happened to tack our
1738 new list at the tail. */
1739 if (*old->tail == add.head)
1740 old->tail = add.tail;
1741
1742 /* Save the end of this list. */
1743 place->stmt = add.tail;
6a345e87 1744 }
252b5132 1745 }
252b5132
RH		 1746 }
1747
5ba47421 1748 {
aea4bd9d 1749 lang_statement_union_type **pl = &os->children.head;
252b5132 1750
5ba47421
AM		 1751 if (dollar != NULL)
1752 {
1753 boolean found_dollar;
252b5132 1754
5ba47421
AM		 1755 /* The section name has a '$'. Sort it with the other '$'
1756 sections. */
5ba47421 1757 found_dollar = false;
bba1a0c0 1758 for ( ; *pl != NULL; pl = &(*pl)->header.next)
5ba47421
AM		 1759 {
1760 lang_input_section_type *ls;
1761 const char *lname;
252b5132 1762
5ba47421
AM		 1763 if ((*pl)->header.type != lang_input_section_enum)
1764 continue;
252b5132 1765
5ba47421 1766 ls = &(*pl)->input_section;
252b5132 1767
5ba47421
AM		 1768 lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
1769 if (strchr (lname, '$') == NULL)
1770 {
1771 if (found_dollar)
1772 break;
1773 }
1774 else
1775 {
1776 found_dollar = true;
1777 if (strcmp (secname, lname) < 0)
1778 break;
1779 }
1780 }
1781 }
1782
1783 if (add_child.head != NULL)
1784 {
bba1a0c0 1785 add_child.head->header.next = *pl;
5ba47421
AM		 1786 *pl = add_child.head;
1787 }
1788 }
252b5132
RH		 1789
1790 free (hold_section_name);
1791
1792 return true;
1793}
1794
690a460e
NC		 1795static boolean
1796gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
2ef53d66 1797 const char * arch ATTRIBUTE_UNUSED;
690a460e
NC		 1798 search_dirs_type * search;
1799 lang_input_statement_type * entry;
1800{
1801 const char * filename;
1802 char * string;
1803
1804 if (! entry->is_archive)
1805 return false;
1806
1807 filename = entry->filename;
1808
1809 string = (char *) xmalloc (strlen (search->name)
3fc90ddb 1810 + strlen (filename)
602e90d3 1811 + sizeof "/lib.a.dll"
b9a69188
NC		 1812#ifdef DLL_SUPPORT
1813 + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
1814#endif
690a460e
NC		 1815 + 1);
1816
c9e38879 1817 /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
602e90d3 1818 sprintf (string, "%s/lib%s.dll.a", search->name, filename);
690a460e
NC		 1819
1820 if (! ldfile_try_open_bfd (string, entry))
1821 {
c9e38879 1822 /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
602e90d3 1823 sprintf (string, "%s/%s.dll.a", search->name, filename);
690a460e
NC		 1824 if (! ldfile_try_open_bfd (string, entry))
1825 {
c9e38879
NC		 1826 /* Try libfoo.a next. Normally, this would be interpreted as a static
1827 library, but it *could* be an import library. For backwards compatibility,
1828 libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
1829 or sometimes errors occur when building legacy packages.
1830
1831 Putting libfoo.a here means that in a failure case (i.e. the library
1832 -lfoo is not found) we will search for libfoo.a twice before
1833 giving up -- once here, and once when searching for a "static" lib.
1834 for a "static" lib. */
0ad8cf4c
DD		 1835 /* Try "libfoo.a" (import lib, or static lib, but must
1836 take precedence over dll's) */
1837 sprintf (string, "%s/lib%s.a", search->name, filename);
602e90d3 1838 if (! ldfile_try_open_bfd (string, entry))
627427de 1839 {
b9a69188
NC		 1840#ifdef DLL_SUPPORT
1841 if (pe_dll_search_prefix)
3fc90ddb 1842 {
627427de
DD		 1843 /* Try "<prefix>foo.dll" (preferred dll name, if specified) */
1844 sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
0ad8cf4c
DD		 1845 if (! ldfile_try_open_bfd (string, entry))
1846 {
627427de
DD		 1847 /* Try "libfoo.dll" (default preferred dll name) */
1848 sprintf (string, "%s/lib%s.dll", search->name, filename);
1849 if (! ldfile_try_open_bfd (string, entry))
1850 {
1851 /* Finally, try "foo.dll" (alternate dll name) */
1852 sprintf (string, "%s/%s.dll", search->name, filename);
1853 if (! ldfile_try_open_bfd (string, entry))
1854 {
1855 free (string);
1856 return false;
1857 }
1858 }
0ad8cf4c 1859 }
602e90d3 1860 }
c9e38879 1861 else /* pe_dll_search_prefix not specified. */
3fc90ddb 1862#endif
627427de 1863 {
c9e38879 1864 /* Try "libfoo.dll" (preferred dll name). */
627427de
DD		 1865 sprintf (string, "%s/lib%s.dll", search->name, filename);
1866 if (! ldfile_try_open_bfd (string, entry))
1867 {
c9e38879 1868 /* Finally, try "foo.dll" (alternate dll name). */
627427de
DD		 1869 sprintf (string, "%s/%s.dll", search->name, filename);
1870 if (! ldfile_try_open_bfd (string, entry))
1871 {
1872 free (string);
1873 return false;
1874 }
1875 }
b9a69188 1876 }
602e90d3 1877 }
690a460e
NC		 1878 }
1879 }
602e90d3 1880
690a460e
NC		 1881 entry->filename = string;
1882
1883 return true;
1884}
1885
344a211f
NC		 1886static int
1887gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
1888 char * name;
1889 lang_input_statement_type * entry;
1890{
1891 return ldfile_open_file_search (name, entry, "", ".lib");
1892}
252b5132
RH		 1893\f
1894static char *
1895gld_${EMULATION_NAME}_get_script(isfile)
1896 int *isfile;
1897EOF
1898# Scripts compiled in.
1899# sed commands to quote an ld script as a C string.
597e2591 1900sc="-f stringify.sed"
252b5132
RH		 1901
1902cat >>e${EMULATION_NAME}.c <<EOF
3fc90ddb 1903{
252b5132
RH		 1904 *isfile = 0;
1905
1906 if (link_info.relocateable == true && config.build_constructors == true)
1907 return
1908EOF
1909sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1910echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1911sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1912echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1913sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1914echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1915sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1916echo ' ; else return' >> e${EMULATION_NAME}.c
1917sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1918echo '; }' >> e${EMULATION_NAME}.c
1919
1920cat >>e${EMULATION_NAME}.c <<EOF
1921
1922
3fc90ddb 1923struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH		 1924{
1925 gld_${EMULATION_NAME}_before_parse,
1926 syslib_default,
1927 hll_default,
1928 gld_${EMULATION_NAME}_after_parse,
1929 gld_${EMULATION_NAME}_after_open,
1930 after_allocation_default,
1931 set_output_arch_default,
1932 ldemul_default_target,
1933 gld_${EMULATION_NAME}_before_allocation,
1934 gld_${EMULATION_NAME}_get_script,
1935 "${EMULATION_NAME}",
1936 "${OUTPUT_FORMAT}",
1937 gld_${EMULATION_NAME}_finish, /* finish */
1938 NULL, /* create output section statements */
690a460e 1939 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH		 1940 gld_${EMULATION_NAME}_place_orphan,
1941 gld_${EMULATION_NAME}_set_symbols,
1942 gld_${EMULATION_NAME}_parse_args,
1943 gld_${EMULATION_NAME}_unrecognized_file,
1944 gld_${EMULATION_NAME}_list_options,
344a211f 1945 gld_${EMULATION_NAME}_recognized_file,
fac1652d
AM		 1946 gld_${EMULATION_NAME}_find_potential_libraries,
1947 NULL /* new_vers_pattern */
252b5132
RH		 1948};
1949EOF
GDB Binutils - Deliverables
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