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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [emultempl/] [pep.em] - Blame information for rev 227

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1 145 khays
# This shell script emits a C file. -*- C -*-
2
# It does some substitutions.
3
if [ -z "$MACHINE" ]; then
4
  OUTPUT_ARCH=${ARCH}
5
else
6
  OUTPUT_ARCH=${ARCH}:${MACHINE}
7
fi
8
rm -f e${EMULATION_NAME}.c
9
(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
10
fragment <
11
/* Copyright 2006, 2007, 2008, 2009, 2010, 2011
12
   Free Software Foundation, Inc.
13
   Written by Kai Tietz, OneVision Software GmbH&CoKg.
14
 
15
   This file is part of the GNU Binutils.
16
 
17
   This program is free software; you can redistribute it and/or modify
18
   it under the terms of the GNU General Public License as published by
19
   the Free Software Foundation; either version 3 of the License, or
20
   (at your option) any later version.
21
 
22
   This program is distributed in the hope that it will be useful,
23
   but WITHOUT ANY WARRANTY; without even the implied warranty of
24
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25
   GNU General Public License for more details.
26
 
27
   You should have received a copy of the GNU General Public License
28
   along with this program; if not, write to the Free Software
29
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30
   MA 02110-1301, USA.  */
31
 
32
 
33
/* For WINDOWS_XP64 and higher */
34
/* Based on pe.em, but modified for 64 bit support.  */
35
 
36
#define TARGET_IS_${EMULATION_NAME}
37
 
38
#define COFF_IMAGE_WITH_PE
39
#define COFF_WITH_PE
40
#define COFF_WITH_pex64
41
 
42
#include "sysdep.h"
43
#include "bfd.h"
44
#include "bfdlink.h"
45
#include "getopt.h"
46
#include "libiberty.h"
47
#include "filenames.h"
48
#include "ld.h"
49
#include "ldmain.h"
50
#include "ldexp.h"
51
#include "ldlang.h"
52
#include "ldfile.h"
53
#include "ldemul.h"
54
#include 
55
#include "ldlex.h"
56
#include "ldmisc.h"
57
#include "ldctor.h"
58
#include "coff/internal.h"
59
 
60
/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
61
   header in generic PE code.  */
62
#include "coff/x86_64.h"
63
#include "coff/pe.h"
64
 
65
/* FIXME: This is a BFD internal header file, and we should not be
66
   using it here.  */
67
#include "../bfd/libcoff.h"
68
 
69
#undef  AOUTSZ
70
#define AOUTSZ          PEPAOUTSZ
71
#define PEAOUTHDR       PEPAOUTHDR
72
 
73
#include "deffile.h"
74
#include "pep-dll.h"
75
#include "safe-ctype.h"
76
 
77
/* Permit the emulation parameters to override the default section
78
   alignment by setting OVERRIDE_SECTION_ALIGNMENT.  FIXME: This makes
79
   it seem that include/coff/internal.h should not define
80
   PE_DEF_SECTION_ALIGNMENT.  */
81
#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
82
#undef  PE_DEF_SECTION_ALIGNMENT
83
#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
84
#endif
85
 
86
#ifdef TARGET_IS_i386pep
87
#define DLL_SUPPORT
88
#endif
89
 
90
#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
91
#define PE_DEF_SUBSYSTEM                3
92
#else
93
#undef  NT_EXE_IMAGE_BASE
94
#define NT_EXE_IMAGE_BASE               0x00010000
95
#undef  PE_DEF_SECTION_ALIGNMENT
96
#define PE_DEF_SUBSYSTEM                2
97
#undef  PE_DEF_FILE_ALIGNMENT
98
#define PE_DEF_FILE_ALIGNMENT           0x00000200
99
#define PE_DEF_SECTION_ALIGNMENT        0x00000400
100
#endif
101
 
102
static struct internal_extra_pe_aouthdr pep;
103
static int dll;
104
static int pep_subsystem = ${SUBSYSTEM};
105
static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
106
static int support_old_code = 0;
107
static lang_assignment_statement_type *image_base_statement = 0;
108
static unsigned short pe_dll_characteristics = 0;
109
 
110
#ifdef DLL_SUPPORT
111
static int    pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default).  */
112
static char * pep_out_def_filename = NULL;
113
static char * pep_implib_filename = NULL;
114
static int    pep_enable_auto_image_base = 0;
115
static char * pep_dll_search_prefix = NULL;
116
#endif
117
 
118
extern const char *output_filename;
119
 
120
static int is_underscoring (void)
121
{
122
  int u = 0;
123
  if (pep_leading_underscore != -1)
124
    return pep_leading_underscore;
125
  if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
126
    bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
127
 
128
  if (u == -1)
129
    abort ();
130
  pep_leading_underscore = (u != 0 ? 1 : 0);
131
  return pep_leading_underscore;
132
}
133
 
134
 
135
static void
136
gld_${EMULATION_NAME}_before_parse (void)
137
{
138
  is_underscoring ();
139
  ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
140
  output_filename = "${EXECUTABLE_NAME:-a.exe}";
141
#ifdef DLL_SUPPORT
142
  config.dynamic_link = TRUE;
143
  config.has_shared = 1;
144
  link_info.pei386_auto_import = 1;
145
  link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2.  */
146
#endif
147
}
148
 
149
/* PE format extra command line options.  */
150
 
151
/* Used for setting flags in the PE header.  */
152
enum options
153
{
154
  OPTION_BASE_FILE = 300 + 1,
155
  OPTION_DLL,
156
  OPTION_FILE_ALIGNMENT,
157
  OPTION_IMAGE_BASE,
158
  OPTION_MAJOR_IMAGE_VERSION,
159
  OPTION_MAJOR_OS_VERSION,
160
  OPTION_MAJOR_SUBSYSTEM_VERSION,
161
  OPTION_MINOR_IMAGE_VERSION,
162
  OPTION_MINOR_OS_VERSION,
163
  OPTION_MINOR_SUBSYSTEM_VERSION,
164
  OPTION_SECTION_ALIGNMENT,
165
  OPTION_STACK,
166
  OPTION_SUBSYSTEM,
167
  OPTION_HEAP,
168
  OPTION_SUPPORT_OLD_CODE,
169
  OPTION_OUT_DEF,
170
  OPTION_EXPORT_ALL,
171
  OPTION_EXCLUDE_SYMBOLS,
172
  OPTION_EXCLUDE_ALL_SYMBOLS,
173
  OPTION_KILL_ATS,
174
  OPTION_STDCALL_ALIASES,
175
  OPTION_ENABLE_STDCALL_FIXUP,
176
  OPTION_DISABLE_STDCALL_FIXUP,
177
  OPTION_IMPLIB_FILENAME,
178
  OPTION_WARN_DUPLICATE_EXPORTS,
179
  OPTION_IMP_COMPAT,
180
  OPTION_ENABLE_AUTO_IMAGE_BASE,
181
  OPTION_DISABLE_AUTO_IMAGE_BASE,
182
  OPTION_DLL_SEARCH_PREFIX,
183
  OPTION_NO_DEFAULT_EXCLUDES,
184
  OPTION_DLL_ENABLE_AUTO_IMPORT,
185
  OPTION_DLL_DISABLE_AUTO_IMPORT,
186
  OPTION_ENABLE_EXTRA_PE_DEBUG,
187
  OPTION_EXCLUDE_LIBS,
188
  OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
189
  OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
190
  OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
191
  OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
192
  OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
193
  OPTION_NO_LEADING_UNDERSCORE,
194
  OPTION_LEADING_UNDERSCORE,
195
  OPTION_ENABLE_LONG_SECTION_NAMES,
196
  OPTION_DISABLE_LONG_SECTION_NAMES,
197
  OPTION_DYNAMIC_BASE,
198
  OPTION_FORCE_INTEGRITY,
199
  OPTION_NX_COMPAT,
200
  OPTION_NO_ISOLATION,
201
  OPTION_NO_SEH,
202
  OPTION_NO_BIND,
203
  OPTION_WDM_DRIVER,
204
  OPTION_TERMINAL_SERVER_AWARE
205
};
206
 
207
static void
208
gld${EMULATION_NAME}_add_options
209
  (int ns ATTRIBUTE_UNUSED,
210
   char **shortopts ATTRIBUTE_UNUSED,
211
   int nl,
212
   struct option **longopts,
213
   int nrl ATTRIBUTE_UNUSED,
214
   struct option **really_longopts ATTRIBUTE_UNUSED)
215
{
216
  static const struct option xtra_long[] =
217
  {
218
    /* PE options */
219
    {"base-file", required_argument, NULL, OPTION_BASE_FILE},
220
    {"dll", no_argument, NULL, OPTION_DLL},
221
    {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
222
    {"heap", required_argument, NULL, OPTION_HEAP},
223
    {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
224
    {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
225
    {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
226
    {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
227
    {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
228
    {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
229
    {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
230
    {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
231
    {"stack", required_argument, NULL, OPTION_STACK},
232
    {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
233
    {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
234
    {"use-nul-prefixed-import-tables", no_argument, NULL,
235
     OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
236
    {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
237
    {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
238
#ifdef DLL_SUPPORT
239
    /* getopt allows abbreviations, so we do this to stop it
240
       from treating -o as an abbreviation for this option.  */
241
    {"output-def", required_argument, NULL, OPTION_OUT_DEF},
242
    {"output-def", required_argument, NULL, OPTION_OUT_DEF},
243
    {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
244
    {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
245
    {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
246
    {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
247
    {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
248
    {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
249
    {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
250
    {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
251
    {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
252
    {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
253
    {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
254
    /* getopt() allows abbreviations, so we do this to stop it from
255
       treating -c as an abbreviation for these --compat-implib.  */
256
    {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
257
    {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
258
    {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
259
    {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
260
    {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
261
    {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
262
    {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
263
    {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
264
    {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
265
    {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
266
    {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
267
    {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
268
#endif
269
    {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
270
    {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
271
    {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
272
    {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
273
    {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
274
    {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
275
    {"no-seh", no_argument, NULL, OPTION_NO_SEH},
276
    {"no-bind", no_argument, NULL, OPTION_NO_BIND},
277
    {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
278
    {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
279
    {NULL, no_argument, NULL, 0}
280
  };
281
 
282
  *longopts
283
    = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
284
  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
285
}
286
 
287
/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
288
   parameters which may be input from the command line.  */
289
 
290
typedef struct
291
{
292
  void *ptr;
293
  int size;
294
  bfd_vma value;
295
  char *symbol;
296
  int inited;
297
  /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
298
     C visible symbols can be prefixed by underscore dependent on target's
299
     settings.  */
300
  bfd_boolean is_c_symbol;
301
} definfo;
302
 
303
#define GET_INIT_SYMBOL_NAME(IDX) \
304
  (init[(IDX)].symbol \
305
  + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () == 1)) ? 0 : 1))
306
 
307
/* Decorates the C visible symbol by underscore, if target requires.  */
308
#define U(CSTR) \
309
  ((is_underscoring () == 0) ? CSTR : "_" CSTR)
310
 
311
/* Get size of constant string for a possible underscore prefixed
312
   C visible symbol.  */
313
#define U_SIZE(CSTR) \
314
  (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
315
 
316
#define D(field,symbol,def,usc)  {&pep.field,sizeof(pep.field), def, symbol,0, usc}
317
 
318
static definfo init[] =
319
{
320
  /* imagebase must be first */
321
#define IMAGEBASEOFF 0
322
  D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
323
#define DLLOFF 1
324
  {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
325
#define MSIMAGEBASEOFF  2
326
  D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
327
  D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
328
  D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
329
  D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
330
  D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
331
  D(MajorImageVersion,"__major_image_version__", 0, FALSE),
332
  D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
333
  D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
334
  D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
335
  D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
336
  D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
337
  D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
338
  D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
339
  D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
340
  D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
341
  D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
342
  { NULL, 0, 0, NULL, 0, FALSE}
343
};
344
 
345
 
346
static void
347
gld_${EMULATION_NAME}_list_options (FILE *file)
348
{
349
  fprintf (file, _("  --base_file              Generate a base file for relocatable DLLs\n"));
350
  fprintf (file, _("  --dll                              Set image base to the default for DLLs\n"));
351
  fprintf (file, _("  --file-alignment             Set file alignment\n"));
352
  fprintf (file, _("  --heap                       Set initial size of the heap\n"));
353
  fprintf (file, _("  --image-base 
Set start address of the executable\n"));
354
  fprintf (file, _("  --major-image-version      Set version number of the executable\n"));
355
  fprintf (file, _("  --major-os-version         Set minimum required OS version\n"));
356
  fprintf (file, _("  --major-subsystem-version  Set minimum required OS subsystem version\n"));
357
  fprintf (file, _("  --minor-image-version      Set revision number of the executable\n"));
358
  fprintf (file, _("  --minor-os-version         Set minimum required OS revision\n"));
359
  fprintf (file, _("  --minor-subsystem-version  Set minimum required OS subsystem revision\n"));
360
  fprintf (file, _("  --section-alignment          Set section alignment\n"));
361
  fprintf (file, _("  --stack                      Set size of the initial stack\n"));
362
  fprintf (file, _("  --subsystem [:]     Set required OS subsystem [& version]\n"));
363
  fprintf (file, _("  --support-old-code                 Support interworking with old code\n"));
364
  fprintf (file, _("  --[no-]leading-underscore          Set explicit symbol underscore prefix mode\n"));
365
#ifdef DLL_SUPPORT
366
  fprintf (file, _("  --add-stdcall-alias                Export symbols with and without @nn\n"));
367
  fprintf (file, _("  --disable-stdcall-fixup            Don't link _sym to _sym@nn\n"));
368
  fprintf (file, _("  --enable-stdcall-fixup             Link _sym to _sym@nn without warnings\n"));
369
  fprintf (file, _("  --exclude-symbols sym,sym,...      Exclude symbols from automatic export\n"));
370
  fprintf (file, _("  --exclude-all-symbols              Exclude all symbols from automatic export\n"));
371
  fprintf (file, _("  --exclude-libs lib,lib,...         Exclude libraries from automatic export\n"));
372
  fprintf (file, _("  --exclude-modules-for-implib mod,mod,...\n"));
373
  fprintf (file, _("                                     Exclude objects, archive members from auto\n"));
374
  fprintf (file, _("                                     export, place into import library instead.\n"));
375
  fprintf (file, _("  --export-all-symbols               Automatically export all globals to DLL\n"));
376
  fprintf (file, _("  --kill-at                          Remove @nn from exported symbols\n"));
377
  fprintf (file, _("  --out-implib                 Generate import library\n"));
378
  fprintf (file, _("  --output-def                 Generate a .DEF file for the built DLL\n"));
379
  fprintf (file, _("  --warn-duplicate-exports           Warn about duplicate exports.\n"));
380
  fprintf (file, _("  --compat-implib                    Create backward compatible import libs;\n\
381
                                       create __imp_ as well.\n"));
382
  fprintf (file, _("  --enable-auto-image-base           Automatically choose image base for DLLs\n\
383
                                       unless user specifies one\n"));
384
  fprintf (file, _("  --disable-auto-image-base          Do not auto-choose image base. (default)\n"));
385
  fprintf (file, _("  --dll-search-prefix=       When linking dynamically to a dll without\n\
386
                                       an importlib, use .dll\n\
387
                                       in preference to lib.dll \n"));
388
  fprintf (file, _("  --enable-auto-import               Do sophisticated linking of _sym to\n\
389
                                       __imp_sym for DATA references\n"));
390
  fprintf (file, _("  --disable-auto-import              Do not auto-import DATA items from DLLs\n"));
391
  fprintf (file, _("  --enable-runtime-pseudo-reloc      Work around auto-import limitations by\n\
392
                                       adding pseudo-relocations resolved at\n\
393
                                       runtime.\n"));
394
  fprintf (file, _("  --disable-runtime-pseudo-reloc     Do not add runtime pseudo-relocations for\n\
395
                                       auto-imported DATA.\n"));
396
  fprintf (file, _("  --enable-extra-pep-debug            Enable verbose debug output when building\n\
397
                                       or linking to DLLs (esp. auto-import)\n"));
398
  fprintf (file, _("  --enable-long-section-names        Use long COFF section names even in\n\
399
                                       executable image files\n"));
400
  fprintf (file, _("  --disable-long-section-names       Never use long COFF section names, even\n\
401
                                       in object files\n"));
402
  fprintf (file, _("  --dynamicbase                      Image base address may be relocated using\n\
403
                                       address space layout randomization (ASLR)\n"));
404
  fprintf (file, _("  --forceinteg               Code integrity checks are enforced\n"));
405
  fprintf (file, _("  --nxcompat                 Image is compatible with data execution prevention\n"));
406
  fprintf (file, _("  --no-isolation             Image understands isolation but do not isolate the image\n"));
407
  fprintf (file, _("  --no-seh                   Image does not use SEH. No SE handler may\n\
408
                                       be called in this image\n"));
409
  fprintf (file, _("  --no-bind                  Do not bind this image\n"));
410
  fprintf (file, _("  --wdmdriver                Driver uses the WDM model\n"));
411
  fprintf (file, _("  --tsaware                  Image is Terminal Server aware\n"));
412
#endif
413
}
414
 
415
 
416
static void
417
set_pep_name (char *name, bfd_vma val)
418
{
419
  int i;
420
  is_underscoring ();
421
  /* Find the name and set it.  */
422
  for (i = 0; init[i].ptr; i++)
423
    {
424
      if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
425
        {
426
          init[i].value = val;
427
          init[i].inited = 1;
428
          if (strcmp (name,"__image_base__") == 0)
429
            set_pep_name (U ("__ImageBase"), val);
430
          return;
431
        }
432
    }
433
  abort ();
434
}
435
 
436
static void
437
set_entry_point (void)
438
{
439
  const char *entry;
440
  const char *initial_symbol_char;
441
  int i;
442
 
443
  static const struct
444
    {
445
      const int value;
446
      const char *entry;
447
    }
448
  v[] =
449
    {
450
      { 1, "NtProcessStartup"  },
451
      { 2, "WinMainCRTStartup" },
452
      { 3, "mainCRTStartup"    },
453
      { 7, "__PosixProcessStartup" },
454
      { 9, "WinMainCRTStartup" },
455
      {14, "mainCRTStartup"    },
456
      { 0, NULL          }
457
    };
458
 
459
  /* Entry point name for arbitrary subsystem numbers.  */
460
  static const char default_entry[] = "mainCRTStartup";
461
 
462
  if (link_info.shared || dll)
463
    {
464
      entry = "DllMainCRTStartup";
465
    }
466
  else
467
    {
468
      for (i = 0; v[i].entry; i++)
469
        if (v[i].value == pep_subsystem)
470
          break;
471
 
472
      /* If no match, use the default.  */
473
      if (v[i].entry != NULL)
474
        entry = v[i].entry;
475
      else
476
        entry = default_entry;
477
    }
478
 
479
  /* Now we check target's default for getting proper symbol_char.  */
480
  initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
481
 
482
  if (*initial_symbol_char != '\0')
483
    {
484
      char *alc_entry;
485
 
486
      /* lang_default_entry expects its argument to be permanently
487
         allocated, so we don't free this string.  */
488
      alc_entry = xmalloc (strlen (initial_symbol_char)
489
                           + strlen (entry)
490
                           + 1);
491
      strcpy (alc_entry, initial_symbol_char);
492
      strcat (alc_entry, entry);
493
      entry = alc_entry;
494
    }
495
 
496
  lang_default_entry (entry);
497
}
498
 
499
static void
500
set_pep_subsystem (void)
501
{
502
  const char *sver;
503
  char *end;
504
  int len;
505
  int i;
506
  unsigned long temp_subsystem;
507
  static const struct
508
    {
509
      const char *name;
510
      const int value;
511
    }
512
  v[] =
513
    {
514
      { "native",  1 },
515
      { "windows", 2 },
516
      { "console", 3 },
517
      { "posix",   7 },
518
      { "wince",   9 },
519
      { "xbox",   14 },
520
      { NULL, 0 }
521
    };
522
 
523
  /* Check for the presence of a version number.  */
524
  sver = strchr (optarg, ':');
525
  if (sver == NULL)
526
    len = strlen (optarg);
527
  else
528
    {
529
      len = sver - optarg;
530
      set_pep_name ("__major_subsystem_version__",
531
                    strtoul (sver + 1, &end, 0));
532
      if (*end == '.')
533
        set_pep_name ("__minor_subsystem_version__",
534
                      strtoul (end + 1, &end, 0));
535
      if (*end != '\0')
536
        einfo (_("%P: warning: bad version number in -subsystem option\n"));
537
    }
538
 
539
  /* Check for numeric subsystem.  */
540
  temp_subsystem = strtoul (optarg, & end, 0);
541
  if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
542
    {
543
      /* Search list for a numeric match to use its entry point.  */
544
      for (i = 0; v[i].name; i++)
545
        if (v[i].value == (int) temp_subsystem)
546
          break;
547
 
548
      /* Use this subsystem.  */
549
      pep_subsystem = (int) temp_subsystem;
550
    }
551
  else
552
    {
553
      /* Search for subsystem by name.  */
554
      for (i = 0; v[i].name; i++)
555
        if (strncmp (optarg, v[i].name, len) == 0
556
            && v[i].name[len] == '\0')
557
          break;
558
 
559
      if (v[i].name == NULL)
560
        {
561
          einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
562
          return;
563
        }
564
 
565
      pep_subsystem = v[i].value;
566
    }
567
 
568
  set_pep_name ("__subsystem__", pep_subsystem);
569
 
570
  return;
571
}
572
 
573
 
574
static void
575
set_pep_value (char *name)
576
{
577
  char *end;
578
 
579
  set_pep_name (name,  (bfd_vma) strtoull (optarg, &end, 0));
580
 
581
  if (end == optarg)
582
    einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
583
 
584
  optarg = end;
585
}
586
 
587
 
588
static void
589
set_pep_stack_heap (char *resname, char *comname)
590
{
591
  set_pep_value (resname);
592
 
593
  if (*optarg == ',')
594
    {
595
      optarg++;
596
      set_pep_value (comname);
597
    }
598
  else if (*optarg)
599
    einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
600
}
601
 
602
 
603
static bfd_boolean
604
gld${EMULATION_NAME}_handle_option (int optc)
605
{
606
  is_underscoring ();
607
  switch (optc)
608
    {
609
    default:
610
      return FALSE;
611
 
612
    case OPTION_BASE_FILE:
613
      link_info.base_file = fopen (optarg, FOPEN_WB);
614
      if (link_info.base_file == NULL)
615
        einfo (_("%F%P: cannot open base file %s\n"), optarg);
616
      break;
617
 
618
      /* PE options.  */
619
    case OPTION_HEAP:
620
      set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
621
      break;
622
    case OPTION_STACK:
623
      set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
624
      break;
625
    case OPTION_SUBSYSTEM:
626
      set_pep_subsystem ();
627
      break;
628
    case OPTION_MAJOR_OS_VERSION:
629
      set_pep_value ("__major_os_version__");
630
      break;
631
    case OPTION_MINOR_OS_VERSION:
632
      set_pep_value ("__minor_os_version__");
633
      break;
634
    case OPTION_MAJOR_SUBSYSTEM_VERSION:
635
      set_pep_value ("__major_subsystem_version__");
636
      break;
637
    case OPTION_MINOR_SUBSYSTEM_VERSION:
638
      set_pep_value ("__minor_subsystem_version__");
639
      break;
640
    case OPTION_MAJOR_IMAGE_VERSION:
641
      set_pep_value ("__major_image_version__");
642
      break;
643
    case OPTION_MINOR_IMAGE_VERSION:
644
      set_pep_value ("__minor_image_version__");
645
      break;
646
    case OPTION_FILE_ALIGNMENT:
647
      set_pep_value ("__file_alignment__");
648
      break;
649
    case OPTION_SECTION_ALIGNMENT:
650
      set_pep_value ("__section_alignment__");
651
      break;
652
    case OPTION_DLL:
653
      set_pep_name ("__dll__", 1);
654
      break;
655
    case OPTION_IMAGE_BASE:
656
      set_pep_value ("__image_base__");
657
      break;
658
    case OPTION_SUPPORT_OLD_CODE:
659
      support_old_code = 1;
660
      break;
661
    case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
662
      pep_use_nul_prefixed_import_tables = TRUE;
663
      break;
664
    case OPTION_NO_LEADING_UNDERSCORE:
665
      pep_leading_underscore = 0;
666
      break;
667
    case OPTION_LEADING_UNDERSCORE:
668
      pep_leading_underscore = 1;
669
      break;
670
#ifdef DLL_SUPPORT
671
    case OPTION_OUT_DEF:
672
      pep_out_def_filename = xstrdup (optarg);
673
      break;
674
    case OPTION_EXPORT_ALL:
675
      pep_dll_export_everything = 1;
676
      break;
677
    case OPTION_EXCLUDE_SYMBOLS:
678
      pep_dll_add_excludes (optarg, EXCLUDESYMS);
679
      break;
680
    case OPTION_EXCLUDE_ALL_SYMBOLS:
681
      pep_dll_exclude_all_symbols = 1;
682
      break;
683
    case OPTION_EXCLUDE_LIBS:
684
      pep_dll_add_excludes (optarg, EXCLUDELIBS);
685
      break;
686
    case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
687
      pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
688
      break;
689
    case OPTION_KILL_ATS:
690
      pep_dll_kill_ats = 1;
691
      break;
692
    case OPTION_STDCALL_ALIASES:
693
      pep_dll_stdcall_aliases = 1;
694
      break;
695
    case OPTION_ENABLE_STDCALL_FIXUP:
696
      pep_enable_stdcall_fixup = 1;
697
      break;
698
    case OPTION_DISABLE_STDCALL_FIXUP:
699
      pep_enable_stdcall_fixup = 0;
700
      break;
701
    case OPTION_IMPLIB_FILENAME:
702
      pep_implib_filename = xstrdup (optarg);
703
      break;
704
    case OPTION_WARN_DUPLICATE_EXPORTS:
705
      pep_dll_warn_dup_exports = 1;
706
      break;
707
    case OPTION_IMP_COMPAT:
708
      pep_dll_compat_implib = 1;
709
      break;
710
    case OPTION_ENABLE_AUTO_IMAGE_BASE:
711
      pep_enable_auto_image_base = 1;
712
      break;
713
    case OPTION_DISABLE_AUTO_IMAGE_BASE:
714
      pep_enable_auto_image_base = 0;
715
      break;
716
    case OPTION_DLL_SEARCH_PREFIX:
717
      pep_dll_search_prefix = xstrdup (optarg);
718
      break;
719
    case OPTION_NO_DEFAULT_EXCLUDES:
720
      pep_dll_do_default_excludes = 0;
721
      break;
722
    case OPTION_DLL_ENABLE_AUTO_IMPORT:
723
      link_info.pei386_auto_import = 1;
724
      break;
725
    case OPTION_DLL_DISABLE_AUTO_IMPORT:
726
      link_info.pei386_auto_import = 0;
727
      break;
728
    case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
729
      link_info.pei386_runtime_pseudo_reloc = 2;
730
      break;
731
    case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
732
      link_info.pei386_runtime_pseudo_reloc = 0;
733
      break;
734
    case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
735
      link_info.pei386_runtime_pseudo_reloc = 2;
736
      break;
737
    case OPTION_ENABLE_EXTRA_PE_DEBUG:
738
      pep_dll_extra_pe_debug = 1;
739
      break;
740
#endif
741
    case OPTION_ENABLE_LONG_SECTION_NAMES:
742
      pep_use_coff_long_section_names = 1;
743
      break;
744
    case OPTION_DISABLE_LONG_SECTION_NAMES:
745
      pep_use_coff_long_section_names = 0;
746
      break;
747
    /*  Get DLLCharacteristics bits  */
748
    case OPTION_DYNAMIC_BASE:
749
      pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
750
      break;
751
    case OPTION_FORCE_INTEGRITY:
752
      pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
753
      break;
754
    case OPTION_NX_COMPAT:
755
      pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
756
      break;
757
    case OPTION_NO_ISOLATION:
758
      pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
759
      break;
760
    case OPTION_NO_SEH:
761
      pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
762
      break;
763
    case OPTION_NO_BIND:
764
      pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
765
      break;
766
    case OPTION_WDM_DRIVER:
767
      pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
768
      break;
769
    case OPTION_TERMINAL_SERVER_AWARE:
770
      pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
771
      break;
772
    }
773
 
774
  /*  Set DLLCharacteristics bits  */
775
  set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
776
 
777
  return TRUE;
778
}
779
 
780
 
781
#ifdef DLL_SUPPORT
782
static unsigned long
783
strhash (const char *str)
784
{
785
  const unsigned char *s;
786
  unsigned long hash;
787
  unsigned int c;
788
  unsigned int len;
789
 
790
  hash = 0;
791
  len = 0;
792
  s = (const unsigned char *) str;
793
  while ((c = *s++) != '\0')
794
    {
795
      hash += c + (c << 17);
796
      hash ^= hash >> 2;
797
      ++len;
798
    }
799
  hash += len + (len << 17);
800
  hash ^= hash >> 2;
801
 
802
  return hash;
803
}
804
 
805
/* Use the output file to create a image base for relocatable DLLs.  */
806
 
807
static bfd_vma
808
compute_dll_image_base (const char *ofile)
809
{
810
  bfd_vma hash = (bfd_vma) strhash (ofile);
811
  return 0x61300000 + ((hash << 16) & 0x0FFC0000);
812
}
813
#endif
814
 
815
/* Assign values to the special symbols before the linker script is
816
   read.  */
817
 
818
static void
819
gld_${EMULATION_NAME}_set_symbols (void)
820
{
821
  /* Run through and invent symbols for all the
822
     names and insert the defaults.  */
823
  int j;
824
 
825
  is_underscoring ();
826
 
827
  if (!init[IMAGEBASEOFF].inited)
828
    {
829
      if (link_info.relocatable)
830
        init[IMAGEBASEOFF].value = 0;
831
      else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
832
        {
833
#ifdef DLL_SUPPORT
834
          init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
835
                                      ? compute_dll_image_base (output_filename)
836
                                      : NT_DLL_IMAGE_BASE);
837
#else
838
          init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
839
#endif
840
        }
841
      else
842
        init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
843
      init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
844
    }
845
 
846
  /* Don't do any symbol assignments if this is a relocatable link.  */
847
  if (link_info.relocatable)
848
    return;
849
 
850
  /* Glue the assignments into the abs section.  */
851
  push_stat_ptr (&abs_output_section->children);
852
 
853
  for (j = 0; init[j].ptr; j++)
854
    {
855
      bfd_vma val = init[j].value;
856
      lang_assignment_statement_type *rv;
857
 
858
      rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
859
                                            exp_intop (val)));
860
      if (init[j].size == sizeof (short))
861
        *(short *) init[j].ptr = (short) val;
862
      else if (init[j].size == sizeof (int))
863
        *(int *) init[j].ptr = (int) val;
864
      else if (init[j].size == sizeof (long))
865
        *(long *) init[j].ptr = (long) val;
866
      /* This might be a long long or other special type.  */
867
      else if (init[j].size == sizeof (bfd_vma))
868
        *(bfd_vma *) init[j].ptr = val;
869
      else      abort ();
870
      if (j == IMAGEBASEOFF)
871
        image_base_statement = rv;
872
    }
873
  /* Restore the pointer.  */
874
  pop_stat_ptr ();
875
 
876
  if (pep.FileAlignment > pep.SectionAlignment)
877
    {
878
      einfo (_("%P: warning, file alignment > section alignment.\n"));
879
    }
880
}
881
 
882
/* This is called after the linker script and the command line options
883
   have been read.  */
884
 
885
static void
886
gld_${EMULATION_NAME}_after_parse (void)
887
{
888
  /* PR ld/6744:  Warn the user if they have used an ELF-only
889
     option hoping it will work on PE+.  */
890
  if (link_info.export_dynamic)
891
    einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
892
      "targets, did you mean --export-all-symbols?\n"));
893
 
894
  set_entry_point ();
895
 
896
  after_parse_default ();
897
}
898
 
899
/* pep-dll.c directly accesses pep_data_import_dll,
900
   so it must be defined outside of #ifdef DLL_SUPPORT.
901
   Note - this variable is deliberately not initialised.
902
   This allows it to be treated as a common varaible, and only
903
   exist in one incarnation in a multiple target enabled linker.  */
904
char * pep_data_import_dll;
905
 
906
#ifdef DLL_SUPPORT
907
static struct bfd_link_hash_entry *pep_undef_found_sym;
908
 
909
static bfd_boolean
910
pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
911
{
912
  int sl;
913
  char *string = inf;
914
  const char *hs = h->root.string;
915
 
916
  sl = strlen (string);
917
  if (h->type == bfd_link_hash_defined
918
      && ((*hs == '@' && *string == '_'
919
                   && strncmp (hs + 1, string + 1, sl - 1) == 0)
920
                  || strncmp (hs, string, sl) == 0)
921
      && h->root.string[sl] == '@')
922
    {
923
      pep_undef_found_sym = h;
924
      return FALSE;
925
    }
926
  return TRUE;
927
}
928
 
929
static void
930
pep_fixup_stdcalls (void)
931
{
932
  static int gave_warning_message = 0;
933
  struct bfd_link_hash_entry *undef, *sym;
934
 
935
  if (pep_dll_extra_pe_debug)
936
    printf ("%s\n", __FUNCTION__);
937
 
938
  for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
939
    if (undef->type == bfd_link_hash_undefined)
940
      {
941
        char* at = strchr (undef->root.string, '@');
942
        int lead_at = (*undef->root.string == '@');
943
        if (lead_at)
944
          at = strchr (undef->root.string + 1, '@');
945
        if (at || lead_at)
946
          {
947
            /* The symbol is a stdcall symbol, so let's look for a
948
               cdecl symbol with the same name and resolve to that.  */
949
            char *cname = xstrdup (undef->root.string);
950
 
951
            if (lead_at)
952
              *cname = '_';
953
            at = strchr (cname, '@');
954
            if (at)
955
              *at = 0;
956
            sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
957
 
958
            if (sym && sym->type == bfd_link_hash_defined)
959
              {
960
                undef->type = bfd_link_hash_defined;
961
                undef->u.def.value = sym->u.def.value;
962
                undef->u.def.section = sym->u.def.section;
963
 
964
                if (pep_enable_stdcall_fixup == -1)
965
                  {
966
                    einfo (_("Warning: resolving %s by linking to %s\n"),
967
                           undef->root.string, cname);
968
                    if (! gave_warning_message)
969
                      {
970
                        gave_warning_message = 1;
971
                        einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
972
                        einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
973
                      }
974
                  }
975
              }
976
          }
977
        else
978
          {
979
            /* The symbol is a cdecl symbol, so we look for stdcall
980
               symbols - which means scanning the whole symbol table.  */
981
            pep_undef_found_sym = 0;
982
            bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
983
                                    (char *) undef->root.string);
984
            sym = pep_undef_found_sym;
985
            if (sym)
986
              {
987
                undef->type = bfd_link_hash_defined;
988
                undef->u.def.value = sym->u.def.value;
989
                undef->u.def.section = sym->u.def.section;
990
 
991
                if (pep_enable_stdcall_fixup == -1)
992
                  {
993
                    einfo (_("Warning: resolving %s by linking to %s\n"),
994
                           undef->root.string, sym->root.string);
995
                    if (! gave_warning_message)
996
                      {
997
                        gave_warning_message = 1;
998
                        einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
999
                        einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1000
                      }
1001
                  }
1002
              }
1003
          }
1004
      }
1005
}
1006
 
1007
static int
1008
make_import_fixup (arelent *rel, asection *s)
1009
{
1010
  struct bfd_symbol *sym = *rel->sym_ptr_ptr;
1011
  char addend[8];
1012
  bfd_vma _addend = 0;
1013
  int suc = 0;
1014
 
1015
  if (pep_dll_extra_pe_debug)
1016
    printf ("arelent: %s@%#lx: add=%li\n", sym->name,
1017
            (unsigned long) rel->address, (long) rel->addend);
1018
 
1019
  memset (addend, 0, sizeof (addend));
1020
  switch ((rel->howto->bitsize))
1021
    {
1022
      case 8:
1023
        suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
1024
        if (suc && rel->howto->pc_relative)
1025
          _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
1026
        else if (suc)
1027
          _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
1028
        break;
1029
      case 16:
1030
        suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
1031
        if (suc && rel->howto->pc_relative)
1032
          _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
1033
        else if (suc)
1034
          _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
1035
        break;
1036
      case 32:
1037
        suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
1038
        if (suc && rel->howto->pc_relative)
1039
          _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
1040
        else if (suc)
1041
          _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
1042
        break;
1043
      case 64:
1044
        suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
1045
        if (suc)
1046
          _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
1047
        break;
1048
    }
1049
  if (! suc)
1050
    einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1051
           s->owner, s, rel->address);
1052
 
1053
  if (pep_dll_extra_pe_debug)
1054
    {
1055
      printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
1056
      if (rel->howto->pc_relative) printf (" pcrel");
1057
      printf (" %d bit rel.\n",(int) rel->howto->bitsize);
1058
  }
1059
  pep_create_import_fixup (rel, s, _addend);
1060
 
1061
  return 1;
1062
}
1063
 
1064
static void
1065
pep_find_data_imports (void)
1066
{
1067
  struct bfd_link_hash_entry *undef, *sym;
1068
 
1069
  if (link_info.pei386_auto_import == 0)
1070
    return;
1071
 
1072
  for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1073
    {
1074
      if (undef->type == bfd_link_hash_undefined)
1075
        {
1076
          /* C++ symbols are *long*.  */
1077
          char buf[4096];
1078
 
1079
          if (pep_dll_extra_pe_debug)
1080
            printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1081
 
1082
          sprintf (buf, "__imp_%s", undef->root.string);
1083
 
1084
          sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1085
 
1086
          if (sym && sym->type == bfd_link_hash_defined)
1087
            {
1088
              bfd *b = sym->u.def.section->owner;
1089
              asymbol **symbols;
1090
              int nsyms, i;
1091
 
1092
              if (!bfd_generic_link_read_symbols (b))
1093
                {
1094
                  einfo (_("%B%F: could not read symbols: %E\n"), b);
1095
                  return;
1096
                }
1097
 
1098
              symbols = bfd_get_outsymbols (b);
1099
              nsyms = bfd_get_symcount (b);
1100
 
1101
              for (i = 0; i < nsyms; i++)
1102
                {
1103
                  if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
1104
                    continue;
1105
 
1106
                  if (pep_dll_extra_pe_debug)
1107
                    printf ("->%s\n", symbols[i]->name);
1108
 
1109
                  pep_data_import_dll = (char*) (symbols[i]->name +
1110
                                                 U_SIZE ("_head_") - 1);
1111
                  break;
1112
                }
1113
 
1114
              pep_walk_relocs_of_symbol (&link_info, undef->root.string,
1115
                                         make_import_fixup);
1116
 
1117
              /* Let's differentiate it somehow from defined.  */
1118
              undef->type = bfd_link_hash_defweak;
1119
              /* We replace original name with __imp_ prefixed, this
1120
                 1) may trash memory 2) leads to duplicate symbol generation.
1121
                 Still, IMHO it's better than having name poluted.  */
1122
              undef->root.string = sym->root.string;
1123
              undef->u.def.value = sym->u.def.value;
1124
              undef->u.def.section = sym->u.def.section;
1125
            }
1126
        }
1127
    }
1128
}
1129
 
1130
static bfd_boolean
1131
pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1132
{
1133 148 khays
  printf ("+%s\n", h->string);
1134 145 khays
 
1135
  return TRUE;
1136
}
1137
#endif /* DLL_SUPPORT */
1138
 
1139
static void
1140
debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1141
{
1142
  int *found = (int *) obj;
1143
  if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1144
    *found = 1;
1145
}
1146
 
1147
static void
1148
gld_${EMULATION_NAME}_after_open (void)
1149
{
1150
  after_open_default ();
1151
 
1152
  is_underscoring ();
1153
#ifdef DLL_SUPPORT
1154
  if (pep_dll_extra_pe_debug)
1155
    {
1156
      bfd *a;
1157
      struct bfd_link_hash_entry *sym;
1158
 
1159
      printf ("%s()\n", __FUNCTION__);
1160
 
1161
      for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1162
        printf ("-%s\n", sym->root.string);
1163
      bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1164
 
1165
      for (a = link_info.input_bfds; a; a = a->link_next)
1166
        printf ("*%s\n",a->filename);
1167
    }
1168
#endif
1169
 
1170
  /* Pass the wacky PE command line options into the output bfd.
1171
     FIXME: This should be done via a function, rather than by
1172
     including an internal BFD header.  */
1173
 
1174
  if (coff_data (link_info.output_bfd) == NULL
1175
      || coff_data (link_info.output_bfd)->pe == 0)
1176
    einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1177
           link_info.output_bfd);
1178
 
1179
  pe_data (link_info.output_bfd)->pe_opthdr = pep;
1180
  pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1181
  pe_data (link_info.output_bfd)->real_flags |= real_flags;
1182
 
1183
  /* At this point we must decide whether to use long section names
1184
     in the output or not.  If the user hasn't explicitly specified
1185
     on the command line, we leave it to the default for the format
1186
     (object files yes, image files no), except if there is debug
1187
     information present; GDB relies on the long section names to
1188
     find it, so enable it in that case.  */
1189
  if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1190
    {
1191
      /* Iterate over all sections of all input BFDs, checking
1192
         for any that begin 'debug_' and are long names.  */
1193
      LANG_FOR_EACH_INPUT_STATEMENT (is)
1194
        {
1195
          int found_debug = 0;
1196
          bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1197
          if (found_debug)
1198
            {
1199
              pep_use_coff_long_section_names = 1;
1200
              break;
1201
            }
1202
        }
1203
    }
1204
 
1205
  pep_output_file_set_long_section_names (link_info.output_bfd);
1206
 
1207
#ifdef DLL_SUPPORT
1208
  if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1209
    pep_fixup_stdcalls ();
1210
 
1211
  pep_process_import_defs (link_info.output_bfd, &link_info);
1212
 
1213
  pep_find_data_imports ();
1214
 
1215
  /* As possibly new symbols are added by imports, we rerun
1216
     stdcall/fastcall fixup here.  */
1217
  if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1218
    pep_fixup_stdcalls ();
1219
 
1220
#ifndef TARGET_IS_i386pep
1221
  if (link_info.shared)
1222
#else
1223
  if (!link_info.relocatable)
1224
#endif
1225
    pep_dll_build_sections (link_info.output_bfd, &link_info);
1226
 
1227
#ifndef TARGET_IS_i386pep
1228
  else
1229
    pep_exe_build_sections (link_info.output_bfd, &link_info);
1230
#endif
1231
#endif /* DLL_SUPPORT */
1232
 
1233
  {
1234
    /* This next chunk of code tries to detect the case where you have
1235
       two import libraries for the same DLL (specifically,
1236
       symbolically linking libm.a and libc.a in cygwin to
1237
       libcygwin.a).  In those cases, it's possible for function
1238
       thunks from the second implib to be used but without the
1239
       head/tail objects, causing an improper import table.  We detect
1240
       those cases and rename the "other" import libraries to match
1241
       the one the head/tail come from, so that the linker will sort
1242
       things nicely and produce a valid import table.  */
1243
 
1244
    LANG_FOR_EACH_INPUT_STATEMENT (is)
1245
      {
1246
        if (is->the_bfd->my_archive)
1247
          {
1248
            int idata2 = 0, reloc_count=0, is_imp = 0;
1249
            asection *sec;
1250
 
1251
            /* See if this is an import library thunk.  */
1252
            for (sec = is->the_bfd->sections; sec; sec = sec->next)
1253
              {
1254
                if (strcmp (sec->name, ".idata\$2") == 0)
1255
                  idata2 = 1;
1256
                if (CONST_STRNEQ (sec->name, ".idata\$"))
1257
                  is_imp = 1;
1258
                reloc_count += sec->reloc_count;
1259
              }
1260
 
1261
            if (is_imp && !idata2 && reloc_count)
1262
              {
1263
                /* It is, look for the reference to head and see if it's
1264
                   from our own library.  */
1265
                for (sec = is->the_bfd->sections; sec; sec = sec->next)
1266
                  {
1267
                    int i;
1268
                    long relsize;
1269
                    asymbol **symbols;
1270
                    arelent **relocs;
1271
                    int nrelocs;
1272
 
1273
                    relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1274
                    if (relsize < 1)
1275
                      break;
1276
 
1277
                    if (!bfd_generic_link_read_symbols (is->the_bfd))
1278
                      {
1279
                        einfo (_("%B%F: could not read symbols: %E\n"),
1280
                               is->the_bfd);
1281
                        return;
1282
                      }
1283
                    symbols = bfd_get_outsymbols (is->the_bfd);
1284
 
1285
                    relocs = xmalloc ((size_t) relsize);
1286
                    nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1287
                                                      relocs, symbols);
1288
                    if (nrelocs < 0)
1289
                      {
1290
                        free (relocs);
1291
                        einfo ("%X%P: unable to process relocs: %E\n");
1292
                        return;
1293
                      }
1294
 
1295
                    for (i = 0; i < nrelocs; i++)
1296
                      {
1297
                        struct bfd_symbol *s;
1298
                        struct bfd_link_hash_entry * blhe;
1299
                        char *other_bfd_filename;
1300
                        char *n;
1301
 
1302
                        s = (relocs[i]->sym_ptr_ptr)[0];
1303
 
1304
                        if (s->flags & BSF_LOCAL)
1305
                          continue;
1306
 
1307
                        /* Thunk section with reloc to another bfd.  */
1308
                        blhe = bfd_link_hash_lookup (link_info.hash,
1309
                                                     s->name,
1310
                                                     FALSE, FALSE, TRUE);
1311
 
1312
                        if (blhe == NULL
1313
                            || blhe->type != bfd_link_hash_defined)
1314
                          continue;
1315
 
1316
                        other_bfd_filename
1317
                          = blhe->u.def.section->owner->my_archive
1318
                            ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1319
                            : bfd_get_filename (blhe->u.def.section->owner);
1320
 
1321
                        if (filename_cmp (bfd_get_filename
1322
                                            (is->the_bfd->my_archive),
1323
                                          other_bfd_filename) == 0)
1324
                          continue;
1325
 
1326
                        /* Rename this implib to match the other one.  */
1327
                        n = xmalloc (strlen (other_bfd_filename) + 1);
1328
                        strcpy (n, other_bfd_filename);
1329
                        is->the_bfd->my_archive->filename = n;
1330
                      }
1331
 
1332
                    free (relocs);
1333
                    /* Note - we do not free the symbols,
1334
                       they are now cached in the BFD.  */
1335
                  }
1336
              }
1337
          }
1338
      }
1339
  }
1340
 
1341
  {
1342
    int is_ms_arch = 0;
1343
    bfd *cur_arch = 0;
1344
    lang_input_statement_type *is2;
1345
    lang_input_statement_type *is3;
1346
 
1347
    /* Careful - this is a shell script.  Watch those dollar signs! */
1348
    /* Microsoft import libraries have every member named the same,
1349
       and not in the right order for us to link them correctly.  We
1350
       must detect these and rename the members so that they'll link
1351
       correctly.  There are three types of objects: the head, the
1352
       thunks, and the sentinel(s).  The head is easy; it's the one
1353
       with idata2.  We assume that the sentinels won't have relocs,
1354
       and the thunks will.  It's easier than checking the symbol
1355
       table for external references.  */
1356
    LANG_FOR_EACH_INPUT_STATEMENT (is)
1357
      {
1358
        if (is->the_bfd->my_archive)
1359
          {
1360
            char *pnt;
1361
            bfd *arch = is->the_bfd->my_archive;
1362
 
1363
            if (cur_arch != arch)
1364
              {
1365
                cur_arch = arch;
1366
                is_ms_arch = 1;
1367
 
1368
                for (is3 = is;
1369
                     is3 && is3->the_bfd->my_archive == arch;
1370
                     is3 = (lang_input_statement_type *) is3->next)
1371
                  {
1372
                    /* A MS dynamic import library can also contain static
1373
                       members, so look for the first element with a .dll
1374
                       extension, and use that for the remainder of the
1375
                       comparisons.  */
1376
                    pnt = strrchr (is3->the_bfd->filename, '.');
1377
                    if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
1378
                      break;
1379
                  }
1380
 
1381
                if (is3 == NULL)
1382
                  is_ms_arch = 0;
1383
                else
1384
                  {
1385
                    /* OK, found one.  Now look to see if the remaining
1386
                       (dynamic import) members use the same name.  */
1387
                    for (is2 = is;
1388
                         is2 && is2->the_bfd->my_archive == arch;
1389
                         is2 = (lang_input_statement_type *) is2->next)
1390
                      {
1391
                        /* Skip static members, ie anything with a .obj
1392
                           extension.  */
1393
                        pnt = strrchr (is2->the_bfd->filename, '.');
1394
                        if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
1395
                          continue;
1396
 
1397
                        if (filename_cmp (is3->the_bfd->filename,
1398
                                          is2->the_bfd->filename))
1399
                          {
1400
                            is_ms_arch = 0;
1401
                            break;
1402
                          }
1403
                      }
1404
                  }
1405
              }
1406
 
1407
            /* This fragment might have come from an .obj file in a Microsoft
1408
               import, and not an actual import record. If this is the case,
1409
               then leave the filename alone.  */
1410
            pnt = strrchr (is->the_bfd->filename, '.');
1411
 
1412
            if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
1413
              {
1414
                int idata2 = 0, reloc_count=0;
1415
                asection *sec;
1416
                char *new_name, seq;
1417
 
1418
                for (sec = is->the_bfd->sections; sec; sec = sec->next)
1419
                  {
1420
                    if (strcmp (sec->name, ".idata\$2") == 0)
1421
                      idata2 = 1;
1422
                    reloc_count += sec->reloc_count;
1423
                  }
1424
 
1425
                if (idata2) /* .idata2 is the TOC */
1426
                  seq = 'a';
1427
                else if (reloc_count > 0) /* thunks */
1428
                  seq = 'b';
1429
                else /* sentinel */
1430
                  seq = 'c';
1431
 
1432
                new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1433
                sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1434
                is->the_bfd->filename = new_name;
1435
 
1436
                new_name = xmalloc (strlen (is->filename) + 3);
1437
                sprintf (new_name, "%s.%c", is->filename, seq);
1438
                is->filename = new_name;
1439
              }
1440
          }
1441
      }
1442
  }
1443
}
1444
 
1445
static void
1446
gld_${EMULATION_NAME}_before_allocation (void)
1447
{
1448
  is_underscoring ();
1449
  before_allocation_default ();
1450
}
1451
 
1452
#ifdef DLL_SUPPORT
1453
/* This is called when an input file isn't recognized as a BFD.  We
1454
   check here for .DEF files and pull them in automatically.  */
1455
 
1456
static int
1457
saw_option (char *option)
1458
{
1459
  int i;
1460
 
1461
  is_underscoring ();
1462
 
1463
  for (i = 0; init[i].ptr; i++)
1464
    if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
1465
      return init[i].inited;
1466
  return 0;
1467
}
1468
#endif /* DLL_SUPPORT */
1469
 
1470
static bfd_boolean
1471
gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1472
{
1473
#ifdef DLL_SUPPORT
1474
  const char *ext = entry->filename + strlen (entry->filename) - 4;
1475
 
1476
  if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
1477
    {
1478
      pep_def_file = def_file_parse (entry->filename, pep_def_file);
1479
 
1480
      if (pep_def_file)
1481
        {
1482
          int i, buflen=0, len;
1483
          char *buf;
1484
 
1485
          for (i = 0; i < pep_def_file->num_exports; i++)
1486
            {
1487
              len = strlen (pep_def_file->exports[i].internal_name);
1488
              if (buflen < len + 2)
1489
                buflen = len + 2;
1490
            }
1491
 
1492
          buf = xmalloc (buflen);
1493
 
1494
          for (i = 0; i < pep_def_file->num_exports; i++)
1495
            {
1496
              struct bfd_link_hash_entry *h;
1497
 
1498
              sprintf (buf, "%s%s", U (""),
1499
                       pep_def_file->exports[i].internal_name);
1500
 
1501
              h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1502
              if (h == (struct bfd_link_hash_entry *) NULL)
1503
                einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1504
              if (h->type == bfd_link_hash_new)
1505
                {
1506
                  h->type = bfd_link_hash_undefined;
1507
                  h->u.undef.abfd = NULL;
1508
                  bfd_link_add_undef (link_info.hash, h);
1509
                }
1510
            }
1511
          free (buf);
1512
 
1513
          /* def_file_print (stdout, pep_def_file); */
1514
          if (pep_def_file->is_dll == 1)
1515
            link_info.shared = 1;
1516
 
1517
          if (pep_def_file->base_address != (bfd_vma)(-1))
1518
            {
1519
              pep.ImageBase
1520
                = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1521
                = init[IMAGEBASEOFF].value
1522
                = pep_def_file->base_address;
1523
              init[IMAGEBASEOFF].inited = 1;
1524
              if (image_base_statement)
1525
                image_base_statement->exp = exp_assign ("__image_base__",
1526
                                                        exp_intop (pep.ImageBase));
1527
            }
1528
 
1529
          if (pep_def_file->stack_reserve != -1
1530
              && ! saw_option ("__size_of_stack_reserve__"))
1531
            {
1532
              pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1533
              if (pep_def_file->stack_commit != -1)
1534
                pep.SizeOfStackCommit = pep_def_file->stack_commit;
1535
            }
1536
          if (pep_def_file->heap_reserve != -1
1537
              && ! saw_option ("__size_of_heap_reserve__"))
1538
            {
1539
              pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1540
              if (pep_def_file->heap_commit != -1)
1541
                pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1542
            }
1543
          return TRUE;
1544
        }
1545
    }
1546
#endif
1547
  return FALSE;
1548
}
1549
 
1550
static bfd_boolean
1551
gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1552
{
1553
  is_underscoring ();
1554
#ifdef DLL_SUPPORT
1555
#ifdef TARGET_IS_i386pep
1556
  pep_dll_id_target ("pei-x86-64");
1557
#endif
1558
  if (pep_bfd_is_dll (entry->the_bfd))
1559
    return pep_implied_import_dll (entry->filename);
1560
#endif
1561
  return FALSE;
1562
}
1563
 
1564
static void
1565
gld_${EMULATION_NAME}_finish (void)
1566
{
1567
  is_underscoring ();
1568
  finish_default ();
1569
 
1570
#ifdef DLL_SUPPORT
1571
  if (link_info.shared
1572
      || (!link_info.relocatable && pep_def_file->num_exports != 0))
1573
    {
1574
      pep_dll_fill_sections (link_info.output_bfd, &link_info);
1575
      if (pep_implib_filename)
1576
        pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
1577
    }
1578
 
1579
  if (pep_out_def_filename)
1580
    pep_dll_generate_def_file (pep_out_def_filename);
1581
#endif /* DLL_SUPPORT */
1582
 
1583
  /* I don't know where .idata gets set as code, but it shouldn't be.  */
1584
  {
1585
    asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
1586
 
1587
    if (asec)
1588
      {
1589
        asec->flags &= ~SEC_CODE;
1590
        asec->flags |= SEC_DATA;
1591
      }
1592
  }
1593
}
1594
 
1595
 
1596
/* Place an orphan section.
1597
 
1598
   We use this to put sections in a reasonable place in the file, and
1599
   to ensure that they are aligned as required.
1600
 
1601
   We handle grouped sections here as well.  A section named .foo\$nn
1602
   goes into the output section .foo.  All grouped sections are sorted
1603
   by name.
1604
 
1605
   Grouped sections for the default sections are handled by the
1606
   default linker script using wildcards, and are sorted by
1607
   sort_sections.  */
1608
 
1609
static lang_output_section_statement_type *
1610
gld_${EMULATION_NAME}_place_orphan (asection *s,
1611
                                    const char *secname,
1612
                                    int constraint)
1613
{
1614
  const char *orig_secname = secname;
1615
  char *dollar = NULL;
1616
  lang_output_section_statement_type *os;
1617
  lang_statement_list_type add_child;
1618
  lang_output_section_statement_type *match_by_name = NULL;
1619
  lang_statement_union_type **pl;
1620
 
1621
  /* Look through the script to see where to place this section.  */
1622
  if (!link_info.relocatable
1623
      && (dollar = strchr (secname, '\$')) != NULL)
1624
    {
1625
      size_t len = dollar - secname;
1626
      char *newname = xmalloc (len + 1);
1627
      memcpy (newname, secname, len);
1628
      newname[len] = '\0';
1629
      secname = newname;
1630
    }
1631
 
1632
  lang_list_init (&add_child);
1633
 
1634
  os = NULL;
1635
  if (constraint == 0)
1636
    for (os = lang_output_section_find (secname);
1637
         os != NULL;
1638
         os = next_matching_output_section_statement (os, 0))
1639
      {
1640
        /* If we don't match an existing output section, tell
1641
           lang_insert_orphan to create a new output section.  */
1642
        constraint = SPECIAL;
1643
 
1644
        if (os->bfd_section != NULL
1645
            && (os->bfd_section->flags == 0
1646
                || ((s->flags ^ os->bfd_section->flags)
1647
                    & (SEC_LOAD | SEC_ALLOC)) == 0))
1648
          {
1649
            /* We already have an output section statement with this
1650
               name, and its bfd section has compatible flags.
1651
               If the section already exists but does not have any flags set,
1652
               then it has been created by the linker, probably as a result of
1653
               a --section-start command line switch.  */
1654
            lang_add_section (&add_child, s, os);
1655
            break;
1656
          }
1657
 
1658
        /* Save unused output sections in case we can match them
1659
           against orphans later.  */
1660
        if (os->bfd_section == NULL)
1661
          match_by_name = os;
1662
      }
1663
 
1664
  /* If we didn't match an active output section, see if we matched an
1665
     unused one and use that.  */
1666
  if (os == NULL && match_by_name)
1667
    {
1668
      lang_add_section (&match_by_name->children, s, match_by_name);
1669
      return match_by_name;
1670
    }
1671
 
1672
  if (os == NULL)
1673
    {
1674
      static struct orphan_save hold[] =
1675
        {
1676
          { ".text",
1677
            SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1678
            0, 0, 0, 0 },
1679
          { ".idata",
1680
            SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1681
            0, 0, 0, 0 },
1682
          { ".rdata",
1683
            SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1684
            0, 0, 0, 0 },
1685
          { ".data",
1686
            SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1687
            0, 0, 0, 0 },
1688
          { ".bss",
1689
            SEC_ALLOC,
1690
            0, 0, 0, 0 }
1691
        };
1692
      enum orphan_save_index
1693
        {
1694
          orphan_text = 0,
1695
          orphan_idata,
1696
          orphan_rodata,
1697
          orphan_data,
1698
          orphan_bss
1699
        };
1700
      static int orphan_init_done = 0;
1701
      struct orphan_save *place;
1702
      lang_output_section_statement_type *after;
1703
      etree_type *address;
1704
 
1705
      if (!orphan_init_done)
1706
        {
1707
          struct orphan_save *ho;
1708
          for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1709
            if (ho->name != NULL)
1710
              {
1711
                ho->os = lang_output_section_find (ho->name);
1712
                if (ho->os != NULL && ho->os->flags == 0)
1713
                  ho->os->flags = ho->flags;
1714
              }
1715
          orphan_init_done = 1;
1716
        }
1717
 
1718
      /* Try to put the new output section in a reasonable place based
1719
         on the section name and section flags.  */
1720
 
1721
      place = NULL;
1722
      if ((s->flags & SEC_ALLOC) == 0)
1723
        ;
1724
      else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1725
        place = &hold[orphan_bss];
1726
      else if ((s->flags & SEC_READONLY) == 0)
1727
        place = &hold[orphan_data];
1728
      else if ((s->flags & SEC_CODE) == 0)
1729
        {
1730
          place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1731
                                                     : &hold[orphan_rodata]);
1732
        }
1733
      else
1734
        place = &hold[orphan_text];
1735
 
1736
      after = NULL;
1737
      if (place != NULL)
1738
        {
1739
          if (place->os == NULL)
1740
            place->os = lang_output_section_find (place->name);
1741
          after = place->os;
1742
          if (after == NULL)
1743
            after = lang_output_section_find_by_flags (s, &place->os, NULL);
1744
          if (after == NULL)
1745
            /* *ABS* is always the first output section statement.  */
1746
            after = (&lang_output_section_statement.head
1747
                     ->output_section_statement);
1748
        }
1749
 
1750
      /* All sections in an executable must be aligned to a page boundary.
1751
         In a relocatable link, just preserve the incoming alignment; the
1752
         address is discarded by lang_insert_orphan in that case, anyway.  */
1753
      address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
1754
      os = lang_insert_orphan (s, secname, constraint, after, place, address,
1755
                               &add_child);
1756
      if (link_info.relocatable)
1757
        {
1758
          os->section_alignment = s->alignment_power;
1759
          os->bfd_section->alignment_power = s->alignment_power;
1760
        }
1761
    }
1762
 
1763
  /* If the section name has a '\$', sort it with the other '\$'
1764
     sections.  */
1765
  for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1766
    {
1767
      lang_input_section_type *ls;
1768
      const char *lname;
1769
 
1770
      if ((*pl)->header.type != lang_input_section_enum)
1771
        continue;
1772
 
1773
      ls = &(*pl)->input_section;
1774
 
1775
      lname = bfd_get_section_name (ls->section->owner, ls->section);
1776
      if (strchr (lname, '\$') != NULL
1777
          && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1778
        break;
1779
    }
1780
 
1781
  if (add_child.head != NULL)
1782
    {
1783
      *add_child.tail = *pl;
1784
      *pl = add_child.head;
1785
    }
1786
 
1787
  return os;
1788
}
1789
 
1790
static bfd_boolean
1791
gld_${EMULATION_NAME}_open_dynamic_archive
1792
  (const char *arch ATTRIBUTE_UNUSED,
1793
   search_dirs_type *search,
1794
   lang_input_statement_type *entry)
1795
{
1796
  static const struct
1797
    {
1798
      const char * format;
1799
      bfd_boolean use_prefix;
1800
    }
1801
  libname_fmt [] =
1802
    {
1803
      /* Preferred explicit import library for dll's.  */
1804
      { "lib%s.dll.a", FALSE },
1805
      /* Alternate explicit import library for dll's.  */
1806
      { "%s.dll.a", FALSE },
1807
      /* "libfoo.a" could be either an import lib or a static lib.
1808
          For backwards compatibility, libfoo.a needs to precede
1809
          libfoo.dll and foo.dll in the search.  */
1810
      { "lib%s.a", FALSE },
1811
      /* The 'native' spelling of an import lib name is "foo.lib".  */
1812
      { "%s.lib", FALSE },
1813
#ifdef DLL_SUPPORT
1814
      /* Try "foo.dll" (preferred dll name, if specified).  */
1815
      { "%s%s.dll", TRUE },
1816
#endif
1817
      /* Try "libfoo.dll" (default preferred dll name).  */
1818
      { "lib%s.dll", FALSE },
1819
      /* Finally try 'native' dll name "foo.dll".  */
1820
      {  "%s.dll", FALSE },
1821
      /* Note: If adding more formats to this table, make sure to check to
1822
         see if their length is longer than libname_fmt[0].format, and if
1823
         so, update the call to xmalloc() below.  */
1824
      { NULL, FALSE }
1825
    };
1826
  static unsigned int format_max_len = 0;
1827
  const char * filename;
1828
  char * full_string;
1829
  char * base_string;
1830
  unsigned int i;
1831
 
1832
 
1833
  if (! entry->maybe_archive)
1834
    return FALSE;
1835
 
1836
  filename = entry->filename;
1837
 
1838
  if (format_max_len == 0)
1839
    /* We need to allow space in the memory that we are going to allocate
1840
       for the characters in the format string.  Since the format array is
1841
       static we only need to calculate this information once.  In theory
1842
       this value could also be computed statically, but this introduces
1843
       the possibility for a discrepancy and hence a possible memory
1844
       corruption.  The lengths we compute here will be too long because
1845
       they will include any formating characters (%s) in the strings, but
1846
       this will not matter.  */
1847
    for (i = 0; libname_fmt[i].format; i++)
1848
      if (format_max_len < strlen (libname_fmt[i].format))
1849
        format_max_len = strlen (libname_fmt[i].format);
1850
 
1851
  full_string = xmalloc (strlen (search->name)
1852
                         + strlen (filename)
1853
                         + format_max_len
1854
#ifdef DLL_SUPPORT
1855
                         + (pep_dll_search_prefix
1856
                            ? strlen (pep_dll_search_prefix) : 0)
1857
#endif
1858
                         /* Allow for the terminating NUL and for the path
1859
                            separator character that is inserted between
1860
                            search->name and the start of the format string.  */
1861
                         + 2);
1862
 
1863
  sprintf (full_string, "%s/", search->name);
1864
  base_string = full_string + strlen (full_string);
1865
 
1866
  for (i = 0; libname_fmt[i].format; i++)
1867
    {
1868
#ifdef DLL_SUPPORT
1869
      if (libname_fmt[i].use_prefix)
1870
        {
1871
          if (!pep_dll_search_prefix)
1872
            continue;
1873
          sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1874
        }
1875
      else
1876
#endif
1877
        sprintf (base_string, libname_fmt[i].format, filename);
1878
 
1879
      if (ldfile_try_open_bfd (full_string, entry))
1880
        break;
1881
    }
1882
 
1883
  if (!libname_fmt[i].format)
1884
    {
1885
      free (full_string);
1886
      return FALSE;
1887
    }
1888
 
1889
  entry->filename = full_string;
1890
 
1891
  return TRUE;
1892
}
1893
 
1894
static int
1895
gld_${EMULATION_NAME}_find_potential_libraries
1896
  (char *name, lang_input_statement_type *entry)
1897
{
1898
  return ldfile_open_file_search (name, entry, "", ".lib");
1899
}
1900
 
1901
static char *
1902
gld_${EMULATION_NAME}_get_script (int *isfile)
1903
EOF
1904
# Scripts compiled in.
1905
# sed commands to quote an ld script as a C string.
1906
sc="-f stringify.sed"
1907
 
1908
fragment <
1909
{
1910
  *isfile = 0;
1911
 
1912
  if (link_info.relocatable && config.build_constructors)
1913
    return
1914
EOF
1915
sed $sc ldscripts/${EMULATION_NAME}.xu                  >> e${EMULATION_NAME}.c
1916
echo '  ; else if (link_info.relocatable) return'       >> e${EMULATION_NAME}.c
1917
sed $sc ldscripts/${EMULATION_NAME}.xr                  >> e${EMULATION_NAME}.c
1918
echo '  ; else if (!config.text_read_only) return'      >> e${EMULATION_NAME}.c
1919
sed $sc ldscripts/${EMULATION_NAME}.xbn                 >> e${EMULATION_NAME}.c
1920
echo '  ; else if (!config.magic_demand_paged) return'  >> e${EMULATION_NAME}.c
1921
sed $sc ldscripts/${EMULATION_NAME}.xn                  >> e${EMULATION_NAME}.c
1922
if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
1923
echo '  ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return'     >> e${EMULATION_NAME}.c
1924
sed $sc ldscripts/${EMULATION_NAME}.xa                  >> e${EMULATION_NAME}.c
1925
fi
1926
echo '  ; else return'                                  >> e${EMULATION_NAME}.c
1927
sed $sc ldscripts/${EMULATION_NAME}.x                   >> e${EMULATION_NAME}.c
1928
echo '; }'                                              >> e${EMULATION_NAME}.c
1929
 
1930
fragment <
1931
 
1932
 
1933
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1934
{
1935
  gld_${EMULATION_NAME}_before_parse,
1936
  syslib_default,
1937
  hll_default,
1938
  gld_${EMULATION_NAME}_after_parse,
1939
  gld_${EMULATION_NAME}_after_open,
1940
  after_allocation_default,
1941
  set_output_arch_default,
1942
  ldemul_default_target,
1943
  gld_${EMULATION_NAME}_before_allocation,
1944
  gld_${EMULATION_NAME}_get_script,
1945
  "${EMULATION_NAME}",
1946
  "${OUTPUT_FORMAT}",
1947
  gld_${EMULATION_NAME}_finish,
1948
  NULL, /* Create output section statements.  */
1949
  gld_${EMULATION_NAME}_open_dynamic_archive,
1950
  gld_${EMULATION_NAME}_place_orphan,
1951
  gld_${EMULATION_NAME}_set_symbols,
1952
  NULL, /* parse_args */
1953
  gld${EMULATION_NAME}_add_options,
1954
  gld${EMULATION_NAME}_handle_option,
1955
  gld_${EMULATION_NAME}_unrecognized_file,
1956
  gld_${EMULATION_NAME}_list_options,
1957
  gld_${EMULATION_NAME}_recognized_file,
1958
  gld_${EMULATION_NAME}_find_potential_libraries,
1959
  NULL  /* new_vers_pattern.  */
1960
};
1961
EOF

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