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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [ld/] [emultempl/] [aix.em] - Blame information for rev 859

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1 205 julius
# 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
fragment <
9
/* This file is is generated by a shell script.  DO NOT EDIT! */
10
 
11
/* AIX emulation code for ${EMULATION_NAME}
12
   Copyright 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
13
   2003, 2004, 2005, 2006, 2007, 2008, 2009
14
   Free Software Foundation, Inc.
15
   Written by Steve Chamberlain 
16
   AIX support by Ian Lance Taylor 
17
   AIX 64 bit support by Tom Rix 
18
 
19
   This file is part of the GNU Binutils.
20
 
21
   This program is free software; you can redistribute it and/or modify
22
   it under the terms of the GNU General Public License as published by
23
   the Free Software Foundation; either version 3 of the License, or
24
   (at your option) any later version.
25
 
26
   This program is distributed in the hope that it will be useful,
27
   but WITHOUT ANY WARRANTY; without even the implied warranty of
28
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
29
   GNU General Public License for more details.
30
 
31
   You should have received a copy of the GNU General Public License
32
   along with this program; if not, write to the Free Software
33
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
34
   MA 02110-1301, USA.  */
35
 
36
#define TARGET_IS_${EMULATION_NAME}
37
 
38
#include "sysdep.h"
39
#include "bfd.h"
40
#include "libiberty.h"
41
#include "safe-ctype.h"
42
#include "getopt.h"
43
#include "obstack.h"
44
#include "bfdlink.h"
45
 
46
#include "ld.h"
47
#include "ldmain.h"
48
#include "ldmisc.h"
49
#include "ldexp.h"
50
#include "ldlang.h"
51
#include "ldfile.h"
52
#include "ldemul.h"
53
#include "ldctor.h"
54
#include 
55
 
56
#include "coff/internal.h"
57
#include "coff/xcoff.h"
58
#include "libcoff.h"
59
#include "libxcoff.h"
60
 
61
static void gld${EMULATION_NAME}_read_file (const char *, bfd_boolean);
62
static void gld${EMULATION_NAME}_free (void *);
63
static void gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *);
64
static void gld${EMULATION_NAME}_find_exp_assignment (etree_type *);
65
 
66
 
67
/* The file alignment required for each section.  */
68
static unsigned long file_align;
69
 
70
/* The maximum size the stack is permitted to grow.  This is stored in
71
   the a.out header.  */
72
static unsigned long maxstack;
73
 
74
/* The maximum data size.  This is stored in the a.out header.  */
75
static unsigned long maxdata;
76
 
77
/* Whether to perform garbage collection.  */
78
static int gc = 1;
79
 
80
/* The module type to use.  */
81
static unsigned short modtype = ('1' << 8) | 'L';
82
 
83
/* Whether the .text section must be read-only (i.e., no relocs
84
   permitted).  */
85
static int textro;
86
 
87
/* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags, as set by their
88
   associated -b and -bno options.  */
89
static unsigned int auto_export_flags;
90
 
91
/* A mask of auto_export_flags bits that were explicitly set on the
92
   command line.  */
93
static unsigned int explicit_auto_export_flags;
94
 
95
/* Whether to implement Unix like linker semantics.  */
96
static int unix_ld;
97
 
98
/* Structure used to hold import file list.  */
99
 
100
struct filelist
101
{
102
  struct filelist *next;
103
  const char *name;
104
};
105
 
106
/* List of import files.  */
107
static struct filelist *import_files;
108
 
109
/* List of export symbols read from the export files.  */
110
 
111
struct export_symbol_list
112
{
113
  struct export_symbol_list *next;
114
  const char *name;
115
};
116
 
117
static struct export_symbol_list *export_symbols;
118
 
119
/* Maintains the 32 or 64 bit mode state of import file */
120
static unsigned int symbol_mode = 0x04;
121
 
122
/* Which symbol modes are valid */
123
static unsigned int symbol_mode_mask = 0x0d;
124
 
125
/* Whether this is a 64 bit link */
126
static int is_64bit = 0;
127
 
128
/* Which syscalls from import file are valid */
129
static unsigned int syscall_mask = 0x77;
130
 
131
/* fake file for -binitfini support */
132
static lang_input_statement_type *initfini_file;
133
 
134
/* Whether to do run time linking
135
   -brtl enables, -bnortl and -bnortllib disable. */
136
static int rtld;
137
 
138
/* Explicit command line library path, -blibpath */
139
static char *command_line_blibpath = NULL;
140
 
141
/* This routine is called before anything else is done.  */
142
 
143
static void
144
gld${EMULATION_NAME}_before_parse (void)
145
{
146
  ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
147
 
148
  config.dynamic_link = TRUE;
149
  config.has_shared = TRUE;
150
 
151
  /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c.
152
     Override them here so we can use the link_info.init_function as a
153
     state flag that lets the backend know that -binitfini has been done.  */
154
 
155
  link_info.init_function = NULL;
156
  link_info.fini_function = NULL;
157
}
158
 
159
/* Handle AIX specific options.  */
160
 
161
enum
162
  {
163
    OPTION_IGNORE = 300,
164
    OPTION_AUTOIMP,
165
    OPTION_ERNOTOK,
166
    OPTION_EROK,
167
    OPTION_EXPALL,
168
    OPTION_EXPFULL,
169
    OPTION_EXPORT,
170
    OPTION_IMPORT,
171
    OPTION_INITFINI,
172
    OPTION_LOADMAP,
173
    OPTION_MAXDATA,
174
    OPTION_MAXSTACK,
175
    OPTION_MODTYPE,
176
    OPTION_NOAUTOIMP,
177
    OPTION_NOEXPALL,
178
    OPTION_NOEXPFULL,
179
    OPTION_NOSTRCMPCT,
180
    OPTION_PD,
181
    OPTION_PT,
182
    OPTION_STRCMPCT,
183
    OPTION_UNIX,
184
    OPTION_32,
185
    OPTION_64,
186
    OPTION_LIBPATH,
187
    OPTION_NOLIBPATH,
188
  };
189
 
190
static void
191
gld${EMULATION_NAME}_add_options
192
  (int ns, char **shortopts, int nl, struct option **longopts,
193
   int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
194
{
195
  static const char xtra_short[] = "D:H:KT:z";
196
  static const struct option xtra_long[] = {
197
  /* -binitfini has special handling in the linker backend.  The native linker
198
     uses the arguemnts to generate a table of init and fini functions for
199
     the executable.  The important use for this option is to support aix 4.2+
200
     c++ constructors and destructors.  This is tied into gcc via collect2.c.
201
 
202
     The function table is accessed by the runtime linker/loader by checking if
203
     the first symbol in the loader symbol table is __rtinit.  The gnu linker
204
     generates this symbol and makes it the first loader symbol.  */
205
 
206
    {"basis", no_argument, NULL, OPTION_IGNORE},
207
    {"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
208
    {"bcomprld", no_argument, NULL, OPTION_IGNORE},
209
    {"bcrld", no_argument, NULL, OPTION_IGNORE},
210
    {"bcror31", no_argument, NULL, OPTION_IGNORE},
211
    {"bD", required_argument, NULL, OPTION_MAXDATA},
212
    {"bE", required_argument, NULL, OPTION_EXPORT},
213
    {"bernotok", no_argument, NULL, OPTION_ERNOTOK},
214
    {"berok", no_argument, NULL, OPTION_EROK},
215
    {"berrmsg", no_argument, NULL, OPTION_IGNORE},
216
    {"bexpall", no_argument, NULL, OPTION_EXPALL},
217
    {"bexpfull", no_argument, NULL, OPTION_EXPFULL},
218
    {"bexport", required_argument, NULL, OPTION_EXPORT},
219
    {"bf", no_argument, NULL, OPTION_ERNOTOK},
220
    {"bgc", no_argument, &gc, 1},
221
    {"bh", required_argument, NULL, OPTION_IGNORE},
222
    {"bhalt", required_argument, NULL, OPTION_IGNORE},
223
    {"bI", required_argument, NULL, OPTION_IMPORT},
224
    {"bimport", required_argument, NULL, OPTION_IMPORT},
225
    {"binitfini", required_argument, NULL, OPTION_INITFINI},
226
    {"bl", required_argument, NULL, OPTION_LOADMAP},
227
    {"bloadmap", required_argument, NULL, OPTION_LOADMAP},
228
    {"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
229
    {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
230
    {"bM", required_argument, NULL, OPTION_MODTYPE},
231
    {"bmodtype", required_argument, NULL, OPTION_MODTYPE},
232
    {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
233
    {"bnoexpall", no_argument, NULL, OPTION_NOEXPALL},
234
    {"bnoexpfull", no_argument, NULL, OPTION_NOEXPFULL},
235
    {"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
236
    {"bnoentry", no_argument, NULL, OPTION_IGNORE},
237
    {"bnogc", no_argument, &gc, 0},
238
    {"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
239
    {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
240
    {"bnotextro", no_argument, &textro, 0},
241
    {"bnro", no_argument, &textro, 0},
242
    {"bpD", required_argument, NULL, OPTION_PD},
243
    {"bpT", required_argument, NULL, OPTION_PT},
244
    {"bro", no_argument, &textro, 1},
245
    {"brtl", no_argument, &rtld, 1},
246
    {"bnortl", no_argument, &rtld, 0},
247
    {"bnortllib", no_argument, &rtld, 0},
248
    {"bS", required_argument, NULL, OPTION_MAXSTACK},
249
    {"bso", no_argument, NULL, OPTION_AUTOIMP},
250
    {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
251
    {"btextro", no_argument, &textro, 1},
252
    {"b32", no_argument, NULL, OPTION_32},
253
    {"b64", no_argument, NULL, OPTION_64},
254
    {"static", no_argument, NULL, OPTION_NOAUTOIMP},
255
    {"unix", no_argument, NULL, OPTION_UNIX},
256
    {"blibpath", required_argument, NULL, OPTION_LIBPATH},
257
    {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH},
258
    {NULL, no_argument, NULL, 0}
259
  };
260
 
261
  /* Options supported by the AIX linker which we do not support: -f,
262
     -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps,
263
     -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl,
264
     -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl,
265
     -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink,
266
     -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder,
267
     -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk,
268
     -bx, -bX, -bxref.  */
269
 
270
  *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
271
  memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
272
  *longopts = xrealloc (*longopts,
273
                        nl * sizeof (struct option) + sizeof (xtra_long));
274
  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
275
}
276
 
277
static bfd_boolean
278
gld${EMULATION_NAME}_parse_args (int argc, char **argv)
279
{
280
  int indx;
281
 
282
  /* If the current option starts with -b, change the first : to an =.
283
     The AIX linker uses : to separate the option from the argument;
284
     changing it to = lets us treat it as a getopt option.  */
285
  indx = optind;
286
  if (indx == 0)
287
    indx = 1;
288
 
289
  if (indx < argc && CONST_STRNEQ (argv[indx], "-b"))
290
    {
291
      char *s;
292
 
293
      for (s = argv[indx]; *s != '\0'; s++)
294
        {
295
          if (*s == ':')
296
            {
297
              *s = '=';
298
              break;
299
            }
300
        }
301
    }
302
  return FALSE;
303
}
304
 
305
static bfd_boolean
306
gld${EMULATION_NAME}_handle_option (int optc)
307
{
308
  bfd_signed_vma val;
309
  const char *end;
310
 
311
  switch (optc)
312
    {
313
    default:
314
      return FALSE;
315
 
316
    case 0:
317
      /* Long option which just sets a flag.  */
318
      break;
319
 
320
    case 'D':
321
      val = bfd_scan_vma (optarg, &end, 0);
322
      if (*end != '\0')
323
        einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
324
      else if (val != -1)
325
        lang_section_start (".data", exp_intop (val), NULL);
326
      break;
327
 
328
    case 'H':
329
      val = bfd_scan_vma (optarg, &end, 0);
330
      if (*end != '\0' || (val & (val - 1)) != 0)
331
        einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
332
      else
333
        file_align = val;
334
      break;
335
 
336
    case 'K':
337
    case 'z':
338
      /* FIXME: This should use the page size for the target system.  */
339
      file_align = 4096;
340
      break;
341
 
342
    case 'T':
343
      /* On AIX this is the same as GNU ld -Ttext.  When we see -T
344
         number, we assume the AIX option is intended.  Otherwise, we
345
         assume the usual GNU ld -T option is intended.  We can't just
346
         ignore the AIX option, because gcc passes it to the linker.  */
347
      val = bfd_scan_vma (optarg, &end, 0);
348
      if (*end != '\0')
349
        return FALSE;
350
      lang_section_start (".text", exp_intop (val), NULL);
351
      break;
352
 
353
    case OPTION_IGNORE:
354
      break;
355
 
356
    case OPTION_INITFINI:
357
      {
358
        /*
359
         * The aix linker init fini has the format :
360
         *
361
         * -binitfini:[ Initial][:Termination][:Priority]
362
         *
363
         * it allows the Termination and Priority to be optional.
364
         *
365
         * Since we support only one init/fini pair, we ignore the Priority.
366
         *
367
         * Define the special symbol __rtinit.
368
         *
369
         * strtok does not correctly handle the case of -binitfini::fini: so
370
         * do it by hand
371
         */
372
        char *t, *i, *f;
373
 
374
        i = t = optarg;
375
        while (*t && ':' != *t)
376
          t++;
377
        if (*t)
378
          *t++ = 0;
379
 
380
        if (0 != strlen (i))
381
          link_info.init_function = i;
382
 
383
        f = t;
384
        while (*t && ':' != *t)
385
          t++;
386
        *t = 0;
387
 
388
        if (0 != strlen (f))
389
          link_info.fini_function = f;
390
      }
391
      break;
392
 
393
    case OPTION_AUTOIMP:
394
      link_info.static_link = FALSE;
395
      break;
396
 
397
    case OPTION_ERNOTOK:
398
      link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
399
      link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
400
      break;
401
 
402
    case OPTION_EROK:
403
      link_info.unresolved_syms_in_objects = RM_IGNORE;
404
      link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
405
      break;
406
 
407
    case OPTION_EXPALL:
408
      auto_export_flags |= XCOFF_EXPALL;
409
      explicit_auto_export_flags |= XCOFF_EXPALL;
410
      break;
411
 
412
    case OPTION_EXPFULL:
413
      auto_export_flags |= XCOFF_EXPFULL;
414
      explicit_auto_export_flags |= XCOFF_EXPFULL;
415
      break;
416
 
417
    case OPTION_EXPORT:
418
      gld${EMULATION_NAME}_read_file (optarg, FALSE);
419
      break;
420
 
421
    case OPTION_IMPORT:
422
      {
423
        struct filelist *n;
424
        struct filelist **flpp;
425
 
426
        n = (struct filelist *) xmalloc (sizeof (struct filelist));
427
        n->next = NULL;
428
        n->name = optarg;
429
        flpp = &import_files;
430
        while (*flpp != NULL)
431
          flpp = &(*flpp)->next;
432
        *flpp = n;
433
      }
434
      break;
435
 
436
    case OPTION_LOADMAP:
437
      config.map_filename = optarg;
438
      break;
439
 
440
    case OPTION_MAXDATA:
441
      val = bfd_scan_vma (optarg, &end, 0);
442
      if (*end != '\0')
443
        einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg);
444
      else
445
        maxdata = val;
446
      break;
447
 
448
    case OPTION_MAXSTACK:
449
      val = bfd_scan_vma (optarg, &end, 0);
450
      if (*end != '\0')
451
        einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
452
               optarg);
453
      else
454
        maxstack = val;
455
      break;
456
 
457
    case OPTION_MODTYPE:
458
      if (*optarg == 'S')
459
        {
460
          link_info.shared = TRUE;
461
          ++optarg;
462
        }
463
      if (*optarg == '\0' || optarg[1] == '\0')
464
        einfo ("%P: warning: ignoring invalid module type %s\n", optarg);
465
      else
466
        modtype = (*optarg << 8) | optarg[1];
467
      break;
468
 
469
    case OPTION_NOAUTOIMP:
470
      link_info.static_link = TRUE;
471
      break;
472
 
473
    case OPTION_NOEXPALL:
474
      auto_export_flags &= ~XCOFF_EXPALL;
475
      explicit_auto_export_flags |= XCOFF_EXPALL;
476
      break;
477
 
478
    case OPTION_NOEXPFULL:
479
      auto_export_flags &= ~XCOFF_EXPFULL;
480
      explicit_auto_export_flags |= XCOFF_EXPFULL;
481
      break;
482
 
483
    case OPTION_NOSTRCMPCT:
484
      link_info.traditional_format = TRUE;
485
      break;
486
 
487
    case OPTION_PD:
488
      /* This sets the page that the .data section is supposed to
489
         start on.  The offset within the page should still be the
490
         offset within the file, so we need to build an appropriate
491
         expression.  */
492
      val = bfd_scan_vma (optarg, &end, 0);
493
      if (*end != '\0')
494
        einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
495
      else
496
        {
497
          etree_type *t;
498
 
499
          t = exp_binop ('+',
500
                         exp_intop (val),
501
                         exp_binop ('&',
502
                                    exp_nameop (NAME, "."),
503
                                    exp_intop (0xfff)));
504
          t = exp_binop ('&',
505
                         exp_binop ('+', t, exp_intop (31)),
506
                         exp_intop (~(bfd_vma) 31));
507
          lang_section_start (".data", t, NULL);
508
        }
509
      break;
510
 
511
    case OPTION_PT:
512
      /* This set the page that the .text section is supposed to start
513
         on.  The offset within the page should still be the offset
514
         within the file.  */
515
      val = bfd_scan_vma (optarg, &end, 0);
516
      if (*end != '\0')
517
        einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
518
      else
519
        {
520
          etree_type *t;
521
 
522
          t = exp_binop ('+',
523
                         exp_intop (val),
524
                         exp_nameop (SIZEOF_HEADERS, NULL));
525
          t = exp_binop ('&',
526
                         exp_binop ('+', t, exp_intop (31)),
527
                         exp_intop (~(bfd_vma) 31));
528
          lang_section_start (".text", t, NULL);
529
        }
530
      break;
531
 
532
    case OPTION_STRCMPCT:
533
      link_info.traditional_format = FALSE;
534
      break;
535
 
536
    case OPTION_UNIX:
537
      unix_ld = TRUE;
538
      break;
539
 
540
    case OPTION_32:
541
      is_64bit = 0;
542
      syscall_mask = 0x77;
543
      symbol_mode_mask = 0x0d;
544
      break;
545
 
546
    case OPTION_64:
547
      is_64bit = 1;
548
      syscall_mask = 0xcc;
549
      symbol_mode_mask = 0x0e;
550
      break;
551
 
552
    case OPTION_LIBPATH:
553
      command_line_blibpath = optarg;
554
      break;
555
 
556
    case OPTION_NOLIBPATH:
557
      command_line_blibpath = NULL;
558
      break;
559
 
560
    }
561
 
562
  return TRUE;
563
}
564
 
565
/* This is called when an input file can not be recognized as a BFD
566
   object or an archive.  If the file starts with #!, we must treat it
567
   as an import file.  This is for AIX compatibility.  */
568
 
569
static bfd_boolean
570
gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry)
571
{
572
  FILE *e;
573
  bfd_boolean ret;
574
 
575
  e = fopen (entry->filename, FOPEN_RT);
576
  if (e == NULL)
577
    return FALSE;
578
 
579
  ret = FALSE;
580
 
581
  if (getc (e) == '#' && getc (e) == '!')
582
    {
583
      struct filelist *n;
584
      struct filelist **flpp;
585
 
586
      n = (struct filelist *) xmalloc (sizeof (struct filelist));
587
      n->next = NULL;
588
      n->name = entry->filename;
589
      flpp = &import_files;
590
      while (*flpp != NULL)
591
        flpp = &(*flpp)->next;
592
      *flpp = n;
593
 
594
      ret = TRUE;
595
      entry->loaded = TRUE;
596
    }
597
 
598
  fclose (e);
599
 
600
  return ret;
601
}
602
 
603
/* This is called after the input files have been opened.  */
604
 
605
static void
606
gld${EMULATION_NAME}_after_open (void)
607
{
608
  bfd_boolean r;
609
  struct set_info *p;
610
 
611
  /* Call ldctor_build_sets, after pretending that this is a
612
     relocatable link.  We do this because AIX requires relocation
613
     entries for all references to symbols, even in a final
614
     executable.  Of course, we only want to do this if we are
615
     producing an XCOFF output file.  */
616
  r = link_info.relocatable;
617
  if (strstr (bfd_get_target (link_info.output_bfd), "xcoff") != NULL)
618
    link_info.relocatable = TRUE;
619
  ldctor_build_sets ();
620
  link_info.relocatable = r;
621
 
622
  /* For each set, record the size, so that the XCOFF backend can
623
     output the correct csect length.  */
624
  for (p = sets; p != (struct set_info *) NULL; p = p->next)
625
    {
626
      bfd_size_type size;
627
 
628
      /* If the symbol is defined, we may have been invoked from
629
         collect, and the sets may already have been built, so we do
630
         not do anything.  */
631
      if (p->h->type == bfd_link_hash_defined
632
          || p->h->type == bfd_link_hash_defweak)
633
        continue;
634
 
635
      if (p->reloc != BFD_RELOC_CTOR)
636
        {
637
          /* Handle this if we need to.  */
638
          abort ();
639
        }
640
 
641
      size = (p->count + 2) * 4;
642
      if (!bfd_xcoff_link_record_set (link_info.output_bfd, &link_info,
643
                                      p->h, size))
644
        einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
645
    }
646
}
647
 
648
/* This is called after the sections have been attached to output
649
   sections, but before any sizes or addresses have been set.  */
650
 
651
static void
652
gld${EMULATION_NAME}_before_allocation (void)
653
{
654
  struct filelist *fl;
655
  struct export_symbol_list *el;
656
  char *libpath;
657
  asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
658
  static const char *const must_keep_sections[] = {
659
    ".text",
660
    ".data",
661
    ".bss"
662
  };
663
  unsigned int i, flags;
664
 
665
  /* Handle the import and export files, if any.  */
666
  for (fl = import_files; fl != NULL; fl = fl->next)
667
    gld${EMULATION_NAME}_read_file (fl->name, TRUE);
668
  for (el = export_symbols; el != NULL; el = el->next)
669
    {
670
      struct bfd_link_hash_entry *h;
671
 
672
      h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE);
673
      if (h == NULL)
674
        einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
675
      if (!bfd_xcoff_export_symbol (link_info.output_bfd, &link_info, h))
676
        einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
677
    }
678
 
679
  /* Track down all relocations called for by the linker script (these
680
     are typically constructor/destructor entries created by
681
     CONSTRUCTORS) and let the backend know it will need to create
682
     .loader relocs for them.  */
683
  lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);
684
 
685
  /* Precedence of LIBPATH
686
     -blibpath:  native support always first
687
     -rpath:     gnu extension
688
     -L          build from command line -L's */
689
  if (command_line_blibpath != NULL)
690
    libpath = command_line_blibpath;
691
  else if (command_line.rpath != NULL)
692
    libpath = command_line.rpath;
693
  else if (search_head == NULL)
694
    libpath = (char *) "";
695
  else
696
    {
697
      size_t len;
698
      search_dirs_type *search;
699
 
700
      /* PR ld/4023: Strip sysroot prefix from any paths
701
         being inserted into the output binary's DT_RPATH.  */
702
      if (ld_sysroot != NULL
703
          && * ld_sysroot != 0)
704
        {
705
          const char * name = search_head->name;
706
          size_t ld_sysroot_len = strlen (ld_sysroot);
707
 
708
          if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)
709
            name += ld_sysroot_len;
710
 
711
          len = strlen (name);
712
          libpath = xmalloc (len + 1);
713
          strcpy (libpath, name);
714
 
715
          for (search = search_head->next; search != NULL; search = search->next)
716
            {
717
              size_t nlen;
718
 
719
              name = search->name;
720
              if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)
721
                name += ld_sysroot_len;
722
 
723
              nlen = strlen (name);
724
              libpath = xrealloc (libpath, len + nlen + 2);
725
              libpath[len] = ':';
726
              strcpy (libpath + len + 1, name);
727
              len += nlen + 1;
728
            }
729
        }
730
      else
731
        {
732
          len = strlen (search_head->name);
733
          libpath = xmalloc (len + 1);
734
          strcpy (libpath, search_head->name);
735
 
736
          for (search = search_head->next; search != NULL; search = search->next)
737
            {
738
              size_t nlen;
739
 
740
              nlen = strlen (search->name);
741
              libpath = xrealloc (libpath, len + nlen + 2);
742
              libpath[len] = ':';
743
              strcpy (libpath + len + 1, search->name);
744
              len += nlen + 1;
745
            }
746
        }
747
    }
748
 
749
  /* Default to -bexpfull for SVR4-like semantics.  */
750
  flags = (unix_ld ? XCOFF_EXPFULL : 0);
751
  flags &= ~explicit_auto_export_flags;
752
  flags |= auto_export_flags;
753
 
754
  /* Let the XCOFF backend set up the .loader section.  */
755
  if (!bfd_xcoff_size_dynamic_sections
756
      (link_info.output_bfd, &link_info, libpath, entry_symbol.name, file_align,
757
       maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE,
758
       modtype, textro ? TRUE : FALSE, flags, special_sections,
759
       rtld ? TRUE : FALSE))
760
    einfo ("%P%F: failed to set dynamic section sizes: %E\n");
761
 
762
  /* Look through the special sections, and put them in the right
763
     place in the link ordering.  This is especially magic.  */
764
  for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++)
765
    {
766
      asection *sec;
767
      lang_output_section_statement_type *os;
768
      lang_statement_union_type **pls;
769
      lang_input_section_type *is;
770
      const char *oname;
771
      bfd_boolean start;
772
 
773
      sec = special_sections[i];
774
      if (sec == NULL)
775
        continue;
776
 
777
      /* Remove this section from the list of the output section.
778
         This assumes we know what the script looks like.  */
779
      is = NULL;
780
      os = lang_output_section_find (sec->output_section->name);
781
      if (os == NULL)
782
        einfo ("%P%F: can't find output section %s\n",
783
               sec->output_section->name);
784
 
785
      for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)
786
        {
787
          if ((*pls)->header.type == lang_input_section_enum
788
              && (*pls)->input_section.section == sec)
789
            {
790
              is = (lang_input_section_type *) * pls;
791
              *pls = (*pls)->header.next;
792
              break;
793
            }
794
 
795
          if ((*pls)->header.type == lang_wild_statement_enum)
796
            {
797
              lang_statement_union_type **pwls;
798
 
799
              for (pwls = &(*pls)->wild_statement.children.head;
800
                   *pwls != NULL; pwls = &(*pwls)->header.next)
801
                {
802
 
803
                  if ((*pwls)->header.type == lang_input_section_enum
804
                      && (*pwls)->input_section.section == sec)
805
                    {
806
                      is = (lang_input_section_type *) * pwls;
807
                      *pwls = (*pwls)->header.next;
808
                      break;
809
                    }
810
                }
811
 
812
              if (is != NULL)
813
                break;
814
            }
815
        }
816
 
817
      if (is == NULL)
818
        {
819
          einfo ("%P%F: can't find %s in output section\n",
820
                 bfd_get_section_name (sec->owner, sec));
821
        }
822
 
823
      /* Now figure out where the section should go.  */
824
      switch (i)
825
        {
826
 
827
        default:                /* to avoid warnings */
828
        case XCOFF_SPECIAL_SECTION_TEXT:
829
          /* _text */
830
          oname = ".text";
831
          start = TRUE;
832
          break;
833
 
834
        case XCOFF_SPECIAL_SECTION_ETEXT:
835
          /* _etext */
836
          oname = ".text";
837
          start = FALSE;
838
          break;
839
 
840
        case XCOFF_SPECIAL_SECTION_DATA:
841
          /* _data */
842
          oname = ".data";
843
          start = TRUE;
844
          break;
845
 
846
        case XCOFF_SPECIAL_SECTION_EDATA:
847
          /* _edata */
848
          oname = ".data";
849
          start = FALSE;
850
          break;
851
 
852
        case XCOFF_SPECIAL_SECTION_END:
853
        case XCOFF_SPECIAL_SECTION_END2:
854
          /* _end and end */
855
          oname = ".bss";
856
          start = FALSE;
857
          break;
858
        }
859
 
860
      os = lang_output_section_find (oname);
861
 
862
      if (start)
863
        {
864
          is->header.next = os->children.head;
865
          os->children.head = (lang_statement_union_type *) is;
866
        }
867
      else
868
        {
869
          is->header.next = NULL;
870
          lang_statement_append (&os->children,
871
                                 (lang_statement_union_type *) is,
872
                                 &is->header.next);
873
        }
874
    }
875
 
876
  /* Executables and shared objects must always have .text, .data
877
     and .bss output sections, so that the header can refer to them.
878
     The kernel refuses to load objects that have missing sections.  */
879
  if (!link_info.relocatable)
880
    for (i = 0; i < ARRAY_SIZE (must_keep_sections); i++)
881
      {
882
        asection *sec;
883
 
884
        sec = bfd_get_section_by_name (link_info.output_bfd,
885
                                       must_keep_sections[i]);
886
        if (sec == NULL)
887
          einfo ("%P: can't find required output section %s\n", must_keep_sections[i]);
888
        else
889
          sec->flags |= SEC_KEEP;
890
      }
891
 
892
  before_allocation_default ();
893
}
894
 
895
static char *
896
gld${EMULATION_NAME}_choose_target (int argc, char **argv)
897
{
898
  int i, j, jmax;
899
  static char *from_outside;
900
  static char *from_inside;
901
  static char *argv_to_target[][2] = {
902
    {NULL,   "${OUTPUT_FORMAT}"},
903
    {"-b32", "${OUTPUT_FORMAT_32BIT}"},
904
    {"-b64", "${OUTPUT_FORMAT_64BIT}"},
905
  };
906
 
907
  jmax = 3;
908
 
909
  from_outside = getenv (TARGET_ENVIRON);
910
  if (from_outside != (char *) NULL)
911
    return from_outside;
912
 
913
  /* Set to default. */
914
  from_inside = argv_to_target[0][1];
915
  for (i = 1; i < argc; i++)
916
    {
917
      for (j = 1; j < jmax; j++)
918
        {
919
          if (0 == strcmp (argv[i], argv_to_target[j][0]))
920
            from_inside = argv_to_target[j][1];
921
        }
922
    }
923
 
924
  return from_inside;
925
}
926
 
927
/* Returns
928
   1 : state changed
929
 
930
static int
931
change_symbol_mode (char *input)
932
{
933
  char *symbol_mode_string[] = {
934
    "# 32",                     /* 0x01 */
935
    "# 64",                     /* 0x02 */
936
    "# no32",                   /* 0x04 */
937
    "# no64",                   /* 0x08 */
938
    NULL,
939
  };
940
 
941
  unsigned int bit;
942
  char *string;
943
 
944
  for (bit = 0;; bit++)
945
    {
946
      string = symbol_mode_string[bit];
947
      if (string == NULL)
948
        return 0;
949
 
950
      if (0 == strcmp (input, string))
951
        {
952
          symbol_mode = (1 << bit);
953
          return 1;
954
        }
955
    }
956
  /* should not be here */
957
  return 0;
958
}
959
 
960
/* Returns
961
   1 : yes
962
 
963
   -1 : error, try something else */
964
static int
965
is_syscall (char *input, unsigned int *flag)
966
{
967
  unsigned int bit;
968
  char *string;
969
 
970
  struct sc {
971
    char *syscall_string;
972
    unsigned int flag;
973
  } s [] = {
974
    { "svc"         /* 0x01 */, XCOFF_SYSCALL32 },
975
    { "svc32"       /* 0x02 */, XCOFF_SYSCALL32 },
976
    { "svc3264"     /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
977
    { "svc64"       /* 0x08 */, XCOFF_SYSCALL64 },
978
    { "syscall"     /* 0x10 */, XCOFF_SYSCALL32 },
979
    { "syscall32"   /* 0x20 */, XCOFF_SYSCALL32 },
980
    { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
981
    { "syscall64"   /* 0x80 */, XCOFF_SYSCALL64 },
982
    { NULL, 0 },
983
  };
984
 
985
  *flag = 0;
986
 
987
  for (bit = 0;; bit++)
988
    {
989
      string = s[bit].syscall_string;
990
      if (string == NULL)
991
        return -1;
992
 
993
      if (0 == strcmp (input, string))
994
        {
995
          if (1 << bit & syscall_mask)
996
            {
997
              *flag = s[bit].flag;
998
              return 1;
999
            }
1000
          else
1001
            {
1002
              return 0;
1003
            }
1004
        }
1005
    }
1006
  /* should not be here */
1007
  return -1;
1008
}
1009
 
1010
/* Read an import or export file.  For an import file, this is called
1011
   by the before_allocation emulation routine.  For an export file,
1012
   this is called by the handle_option emulation routine.  */
1013
 
1014
static void
1015
gld${EMULATION_NAME}_read_file (const char *filename, bfd_boolean import)
1016
{
1017
  struct obstack *o;
1018
  FILE *f;
1019
  int lineno;
1020
  int c;
1021
  bfd_boolean keep;
1022
  const char *imppath;
1023
  const char *impfile;
1024
  const char *impmember;
1025
 
1026
  o = (struct obstack *) xmalloc (sizeof (struct obstack));
1027
  obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free);
1028
 
1029
  f = fopen (filename, FOPEN_RT);
1030
  if (f == NULL)
1031
    {
1032
      bfd_set_error (bfd_error_system_call);
1033
      einfo ("%F%s: %E\n", filename);
1034
    }
1035
 
1036
  keep = FALSE;
1037
 
1038
  imppath = NULL;
1039
  impfile = NULL;
1040
  impmember = NULL;
1041
 
1042
  lineno = 0;
1043
 
1044
  /* Default to 32 and 64 bit mode
1045
     symbols at top of /lib/syscalls.exp do not have a mode modifier and they
1046
     are not repeated, assume 64 bit routines also want to use them.
1047
     See the routine change_symbol_mode for more information.  */
1048
 
1049
  symbol_mode = 0x04;
1050
 
1051
  while ((c = getc (f)) != EOF)
1052
    {
1053
      char *s;
1054
      char *symname;
1055
      unsigned int syscall_flag = 0;
1056
      bfd_vma address;
1057
      struct bfd_link_hash_entry *h;
1058
 
1059
      if (c != '\n')
1060
        {
1061
          obstack_1grow (o, c);
1062
          continue;
1063
        }
1064
 
1065
      obstack_1grow (o, '\0');
1066
      ++lineno;
1067
 
1068
      s = (char *) obstack_base (o);
1069
      while (ISSPACE (*s))
1070
        ++s;
1071
      if (*s == '\0'
1072
          || *s == '*'
1073
          || change_symbol_mode (s)
1074
          || (*s == '#' && s[1] == ' ')
1075
          || (!import && *s == '#' && s[1] == '!'))
1076
        {
1077
          obstack_free (o, obstack_base (o));
1078
          continue;
1079
        }
1080
 
1081
      if (*s == '#' && s[1] == '!')
1082
        {
1083
          s += 2;
1084
          while (ISSPACE (*s))
1085
            ++s;
1086
          if (*s == '\0')
1087
            {
1088
              imppath = NULL;
1089
              impfile = NULL;
1090
              impmember = NULL;
1091
              obstack_free (o, obstack_base (o));
1092
            }
1093
          else if (*s == '(')
1094
            einfo ("%F%s%d: #! ([member]) is not supported in import files\n",
1095
                   filename, lineno);
1096
          else
1097
            {
1098
              char cs;
1099
              char *start;
1100
 
1101
              (void) obstack_finish (o);
1102
              keep = TRUE;
1103
              start = s;
1104
              while (!ISSPACE (*s) && *s != '(' && *s != '\0')
1105
                ++s;
1106
              cs = *s;
1107
              *s = '\0';
1108
              if (!bfd_xcoff_split_import_path (link_info.output_bfd,
1109
                                                start, &imppath, &impfile))
1110
                einfo ("%F%P: Could not parse import path: %E\n");
1111
              while (ISSPACE (cs))
1112
                {
1113
                  ++s;
1114
                  cs = *s;
1115
                }
1116
              if (cs != '(')
1117
                {
1118
                  impmember = "";
1119
                  if (cs != '\0')
1120
                    einfo ("%s:%d: warning: syntax error in import file\n",
1121
                           filename, lineno);
1122
                }
1123
              else
1124
                {
1125
                  ++s;
1126
                  impmember = s;
1127
                  while (*s != ')' && *s != '\0')
1128
                    ++s;
1129
                  if (*s == ')')
1130
                    *s = '\0';
1131
                  else
1132
                    einfo ("%s:%d: warning: syntax error in import file\n",
1133
                           filename, lineno);
1134
                }
1135
            }
1136
 
1137
          continue;
1138
        }
1139
 
1140
      if (symbol_mode & symbol_mode_mask)
1141
        {
1142
          /* This is a symbol to be imported or exported.  */
1143
          symname = s;
1144
          syscall_flag = 0;
1145
          address = (bfd_vma) -1;
1146
 
1147
          while (!ISSPACE (*s) && *s != '\0')
1148
            ++s;
1149
          if (*s != '\0')
1150
            {
1151
              char *se;
1152
 
1153
              *s++ = '\0';
1154
 
1155
              while (ISSPACE (*s))
1156
                ++s;
1157
 
1158
              se = s;
1159
              while (!ISSPACE (*se) && *se != '\0')
1160
                ++se;
1161
              if (*se != '\0')
1162
                {
1163
                  *se++ = '\0';
1164
                  while (ISSPACE (*se))
1165
                    ++se;
1166
                  if (*se != '\0')
1167
                    einfo ("%s%d: warning: syntax error in import/export file\n",
1168
                           filename, lineno);
1169
                }
1170
 
1171
              if (s != se)
1172
                {
1173
                  int status;
1174
                  const char *end;
1175
 
1176
                  status = is_syscall (s, &syscall_flag);
1177
 
1178
                  if (0 > status)
1179
                    {
1180
                      /* not a system call, check for address */
1181
                      address = bfd_scan_vma (s, &end, 0);
1182
                      if (*end != '\0')
1183
                        {
1184
                          einfo ("%s:%d: warning: syntax error in import/export file\n",
1185
                                 filename, lineno);
1186
 
1187
                        }
1188
                    }
1189
                }
1190
            }
1191
 
1192
          if (!import)
1193
            {
1194
              struct export_symbol_list *n;
1195
 
1196
              ldlang_add_undef (symname);
1197
              n = ((struct export_symbol_list *)
1198
                   xmalloc (sizeof (struct export_symbol_list)));
1199
              n->next = export_symbols;
1200
              n->name = xstrdup (symname);
1201
              export_symbols = n;
1202
            }
1203
          else
1204
            {
1205
              h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE,
1206
                                        TRUE);
1207
              if (h == NULL || h->type == bfd_link_hash_new)
1208
                {
1209
                  /* We can just ignore attempts to import an unreferenced
1210
                     symbol.  */
1211
                }
1212
              else
1213
                {
1214
                  if (!bfd_xcoff_import_symbol (link_info.output_bfd,
1215
                                                &link_info, h,
1216
                                                address, imppath, impfile,
1217
                                                impmember, syscall_flag))
1218
                    einfo ("%X%s:%d: failed to import symbol %s: %E\n",
1219
                           filename, lineno, symname);
1220
                }
1221
            }
1222
        }
1223
      obstack_free (o, obstack_base (o));
1224
    }
1225
 
1226
  if (obstack_object_size (o) > 0)
1227
    {
1228
      einfo ("%s:%d: warning: ignoring unterminated last line\n",
1229
             filename, lineno);
1230
      obstack_free (o, obstack_base (o));
1231
    }
1232
 
1233
  if (!keep)
1234
    {
1235
      obstack_free (o, NULL);
1236
      free (o);
1237
    }
1238
}
1239
 
1240
/* This routine saves us from worrying about declaring free.  */
1241
 
1242
static void
1243
gld${EMULATION_NAME}_free (void *p)
1244
{
1245
  free (p);
1246
}
1247
 
1248
/* This is called by the before_allocation routine via
1249
   lang_for_each_statement.  It looks for relocations and assignments
1250
   to symbols.  */
1251
 
1252
static void
1253
gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s)
1254
{
1255
  if (s->header.type == lang_reloc_statement_enum)
1256
    {
1257
      lang_reloc_statement_type *rs;
1258
 
1259
      rs = &s->reloc_statement;
1260
      if (rs->name == NULL)
1261
        einfo ("%F%P: only relocations against symbols are permitted\n");
1262
      if (!bfd_xcoff_link_count_reloc (link_info.output_bfd, &link_info,
1263
                                       rs->name))
1264
        einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
1265
    }
1266
 
1267
  if (s->header.type == lang_assignment_statement_enum)
1268
    gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1269
}
1270
 
1271
/* Look through an expression for an assignment statement.  */
1272
 
1273
static void
1274
gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
1275
{
1276
  struct bfd_link_hash_entry *h;
1277
 
1278
  switch (exp->type.node_class)
1279
    {
1280
    case etree_provide:
1281
      h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
1282
                                FALSE, FALSE, FALSE);
1283
      if (h == NULL)
1284
        break;
1285
      /* Fall through.  */
1286
    case etree_assign:
1287
      if (strcmp (exp->assign.dst, ".") != 0)
1288
        {
1289
          if (!bfd_xcoff_record_link_assignment (link_info.output_bfd,
1290
                                                 &link_info,
1291
                                                 exp->assign.dst))
1292
            einfo ("%P%F: failed to record assignment to %s: %E\n",
1293
                   exp->assign.dst);
1294
        }
1295
      gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1296
      break;
1297
 
1298
    case etree_binary:
1299
      gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1300
      gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1301
      break;
1302
 
1303
    case etree_trinary:
1304
      gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1305
      gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1306
      gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1307
      break;
1308
 
1309
    case etree_unary:
1310
      gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1311
      break;
1312
 
1313
    default:
1314
      break;
1315
    }
1316
}
1317
 
1318
static char *
1319
gld${EMULATION_NAME}_get_script (int *isfile)
1320
EOF
1321
 
1322
if test -n "$COMPILE_IN"
1323
then
1324
# Scripts compiled in.
1325
 
1326
# sed commands to quote an ld script as a C string.
1327
sc="-f ${srcdir}/emultempl/ostring.sed"
1328
 
1329
fragment <
1330
{
1331
  *isfile = 0;
1332
 
1333
  if (link_info.relocatable && config.build_constructors)
1334
    return
1335
EOF
1336
sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
1337
echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
1338
sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
1339
echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
1340
sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
1341
echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1342
sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
1343
echo '  ; else return'                                 >> e${EMULATION_NAME}.c
1344
sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
1345
echo '; }'                                             >> e${EMULATION_NAME}.c
1346
 
1347
else
1348
# Scripts read from the filesystem.
1349
 
1350
fragment <
1351
{
1352
  *isfile = 1;
1353
 
1354
  if (link_info.relocatable && config.build_constructors)
1355
    return "ldscripts/${EMULATION_NAME}.xu";
1356
  else if (link_info.relocatable)
1357
    return "ldscripts/${EMULATION_NAME}.xr";
1358
  else if (!config.text_read_only)
1359
    return "ldscripts/${EMULATION_NAME}.xbn";
1360
  else if (!config.magic_demand_paged)
1361
    return "ldscripts/${EMULATION_NAME}.xn";
1362
  else
1363
    return "ldscripts/${EMULATION_NAME}.x";
1364
}
1365
EOF
1366
 
1367
fi
1368
 
1369
fragment <
1370
 
1371
static void
1372
gld${EMULATION_NAME}_create_output_section_statements (void)
1373
{
1374
  /* __rtinit */
1375
  if ((bfd_get_flavour (link_info.output_bfd) == bfd_target_xcoff_flavour)
1376
      && (link_info.init_function != NULL
1377
          || link_info.fini_function != NULL
1378
          || rtld))
1379
    {
1380
      initfini_file = lang_add_input_file ("initfini",
1381
                                           lang_input_file_is_file_enum,
1382
                                           NULL);
1383
 
1384
      initfini_file->the_bfd = bfd_create ("initfini", link_info.output_bfd);
1385
      if (initfini_file->the_bfd == NULL
1386
          || ! bfd_set_arch_mach (initfini_file->the_bfd,
1387
                                  bfd_get_arch (link_info.output_bfd),
1388
                                  bfd_get_mach (link_info.output_bfd)))
1389
        {
1390
          einfo ("%X%P: can not create BFD %E\n");
1391
          return;
1392
        }
1393
 
1394
      /* Call backend to fill in the rest */
1395
      if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
1396
                                            link_info.init_function,
1397
                                            link_info.fini_function,
1398
                                            rtld))
1399
        {
1400
          einfo ("%X%P: can not create BFD %E\n");
1401
          return;
1402
        }
1403
 
1404
      /* __rtld defined in /lib/librtl.a */
1405
      if (rtld)
1406
        lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL);
1407
    }
1408
}
1409
 
1410
static void
1411
gld${EMULATION_NAME}_set_output_arch (void)
1412
{
1413
  bfd_set_arch_mach (link_info.output_bfd,
1414
                     bfd_xcoff_architecture (link_info.output_bfd),
1415
                     bfd_xcoff_machine (link_info.output_bfd));
1416
 
1417
  ldfile_output_architecture = bfd_get_arch (link_info.output_bfd);
1418
  ldfile_output_machine = bfd_get_mach (link_info.output_bfd);
1419
  ldfile_output_machine_name = bfd_printable_name (link_info.output_bfd);
1420
}
1421
 
1422
static bfd_boolean
1423
gld${EMULATION_NAME}_open_dynamic_archive (const char *arch,
1424
                                           search_dirs_type *search,
1425
                                           lang_input_statement_type *entry)
1426
{
1427
  const char *filename;
1428
  char *path;
1429
 
1430
  if (!entry->is_archive)
1431
    return FALSE;
1432
 
1433
  filename = entry->filename;
1434
  path = concat (search->name, "/lib", entry->filename, arch, ".a", NULL);
1435
  if (!ldfile_try_open_bfd (path, entry))
1436
    {
1437
      free (path);
1438
      return FALSE;
1439
    }
1440
  /* Don't include the searched directory in the import path.  */
1441
  bfd_xcoff_set_archive_import_path (&link_info, entry->the_bfd,
1442
                                     path + strlen (search->name) + 1);
1443
  entry->filename = path;
1444
  return TRUE;
1445
}
1446
 
1447
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = {
1448
  gld${EMULATION_NAME}_before_parse,
1449
  syslib_default,
1450
  hll_default,
1451
  after_parse_default,
1452
  gld${EMULATION_NAME}_after_open,
1453
  after_allocation_default,
1454
  gld${EMULATION_NAME}_set_output_arch,
1455
  gld${EMULATION_NAME}_choose_target,
1456
  gld${EMULATION_NAME}_before_allocation,
1457
  gld${EMULATION_NAME}_get_script,
1458
  "${EMULATION_NAME}",
1459
  "${OUTPUT_FORMAT}",
1460
  finish_default,
1461
  gld${EMULATION_NAME}_create_output_section_statements,
1462
  gld${EMULATION_NAME}_open_dynamic_archive,
1463
  0,                            /* place_orphan */
1464
  0,                            /* set_symbols */
1465
  gld${EMULATION_NAME}_parse_args,
1466
  gld${EMULATION_NAME}_add_options,
1467
  gld${EMULATION_NAME}_handle_option,
1468
  gld${EMULATION_NAME}_unrecognized_file,
1469
  NULL,                         /* list_options */
1470
  NULL,                         /* recognized_file */
1471
  NULL,                         /* find potential_libraries */
1472
  NULL                          /* new_vers_pattern */
1473
};
1474
EOF

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