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[/] [or1k/] [tags/] [start/] [gdb-5.0/] [bfd/] [vms-hdr.c] - Blame information for rev 1778

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1 104 markom
/* vms-hdr.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
2
   EVAX (openVMS/Alpha) files.
3
   Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
4
 
5
   HDR record handling functions
6
   EMH record handling functions
7
   and
8
   EOM record handling functions
9
   EEOM record handling functions
10
 
11
   Written by Klaus K"ampf (kkaempf@rmi.de)
12
 
13
This program is free software; you can redistribute it and/or modify
14
it under the terms of the GNU General Public License as published by
15
the Free Software Foundation; either version 2 of the License, or
16
(at your option) any later version.
17
 
18
This program is distributed in the hope that it will be useful,
19
but WITHOUT ANY WARRANTY; without even the implied warranty of
20
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
GNU General Public License for more details.
22
 
23
You should have received a copy of the GNU General Public License
24
along with this program; if not, write to the Free Software
25
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
26
 
27
#include <ctype.h>
28
 
29
#include "bfd.h"
30
#include "sysdep.h"
31
#include "bfdlink.h"
32
#include "libbfd.h"
33
 
34
#include "vms.h"
35
 
36
/*---------------------------------------------------------------------------*/
37
 
38
 
39
/* Read & process emh record
40
   return 0 on success, -1 on error  */
41
 
42
int
43
_bfd_vms_slurp_hdr (abfd, objtype)
44
     bfd *abfd;
45
     int objtype;
46
{
47
  unsigned char *ptr;
48
  unsigned char *vms_rec;
49
  int subtype;
50
 
51
  vms_rec = PRIV(vms_rec);
52
 
53
#if VMS_DEBUG
54
  vms_debug(2, "HDR/EMH\n");
55
#endif
56
 
57
  switch (objtype)
58
    {
59
      case OBJ_S_C_HDR:
60
        subtype = vms_rec[1];
61
        break;
62
      case EOBJ_S_C_EMH:
63
        subtype = bfd_getl16 (vms_rec + 4) + EVAX_OFFSET;
64
        break;
65
      default:
66
        subtype = -1;
67
    }
68
 
69
#if VMS_DEBUG
70
  vms_debug(3, "subtype %d\n", subtype);
71
#endif
72
 
73
  switch (subtype)
74
    {
75
 
76
      case MHD_S_C_MHD:
77
        /*
78
         * module header
79
         */
80
        PRIV(hdr_data).hdr_b_strlvl = vms_rec[2];
81
        PRIV(hdr_data).hdr_l_recsiz = bfd_getl16 (vms_rec + 3);
82
        PRIV(hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 5);
83
        ptr = vms_rec + 5 + vms_rec[5] + 1;
84
        PRIV(hdr_data).hdr_t_version = _bfd_vms_save_counted_string (ptr);
85
        ptr += *ptr + 1;
86
        PRIV(hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
87
 
88
      break;
89
 
90
      case MHD_S_C_LNM:
91
        /*
92
         *
93
         */
94
        PRIV(hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
95
      break;
96
 
97
      case MHD_S_C_SRC:
98
        /*
99
         *
100
         */
101
        PRIV(hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
102
      break;
103
 
104
      case MHD_S_C_TTL:
105
        /*
106
         *
107
         */
108
        PRIV(hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-2));
109
      break;
110
 
111
      case MHD_S_C_CPR:
112
        /*
113
         *
114
         */
115
      break;
116
 
117
      case MHD_S_C_MTC:
118
        /*
119
         *
120
         */
121
      break;
122
 
123
      case MHD_S_C_GTX:
124
        /*
125
         *
126
         */
127
      break;
128
 
129
      case EMH_S_C_MHD + EVAX_OFFSET:
130
        /*
131
         * module header
132
         */
133
        PRIV(hdr_data).hdr_b_strlvl = vms_rec[6];
134
        PRIV(hdr_data).hdr_l_arch1 = bfd_getl32 (vms_rec + 8);
135
        PRIV(hdr_data).hdr_l_arch2 = bfd_getl32 (vms_rec + 12);
136
        PRIV(hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
137
        PRIV(hdr_data).hdr_t_name =
138
          _bfd_vms_save_counted_string (vms_rec + 20);
139
        ptr = vms_rec + 20 + vms_rec[20] + 1;
140
        PRIV(hdr_data).hdr_t_version =
141
          _bfd_vms_save_counted_string (ptr);
142
        ptr += *ptr + 1;
143
        PRIV(hdr_data).hdr_t_date =
144
          _bfd_vms_save_sized_string (ptr, 17);
145
 
146
      break;
147
 
148
      case EMH_S_C_LNM + EVAX_OFFSET:
149
        /*
150
         *
151
         */
152
        PRIV(hdr_data).hdr_c_lnm =
153
          _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
154
      break;
155
 
156
      case EMH_S_C_SRC + EVAX_OFFSET:
157
        /*
158
         *
159
         */
160
        PRIV(hdr_data).hdr_c_src =
161
          _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
162
      break;
163
 
164
      case EMH_S_C_TTL + EVAX_OFFSET:
165
        /*
166
         *
167
         */
168
        PRIV(hdr_data).hdr_c_ttl =
169
          _bfd_vms_save_sized_string (vms_rec, PRIV(rec_length-6));
170
      break;
171
 
172
      case EMH_S_C_CPR + EVAX_OFFSET:
173
        /*
174
         *
175
         */
176
      break;
177
 
178
      case EMH_S_C_MTC + EVAX_OFFSET:
179
        /*
180
         *
181
         */
182
      break;
183
 
184
      case EMH_S_C_GTX + EVAX_OFFSET:
185
        /*
186
         *
187
         */
188
      break;
189
 
190
      default:
191
        bfd_set_error (bfd_error_wrong_format);
192
      return -1;
193
 
194
    } /* switch */
195
 
196
  return 0;
197
}
198
 
199
 
200
/*-----------------------------------------------------------------------------*/
201
/* Output routines.  */
202
 
203
 
204
/* Manufacure a VMS like time on a unix based system.
205
   stolen from obj-vms.c  */
206
 
207
static unsigned char *
208
get_vms_time_string ()
209
{
210
  static unsigned char tbuf[18];
211
#ifndef VMS
212
#include <time.h>
213
 
214
  char *pnt;
215
  time_t timeb;
216
  time (&timeb);
217
  pnt = ctime (&timeb);
218
  pnt[3] = 0;
219
  pnt[7] = 0;
220
  pnt[10] = 0;
221
  pnt[16] = 0;
222
  pnt[24] = 0;
223
  sprintf (tbuf, "%2s-%3s-%s %s", pnt + 8, pnt + 4, pnt + 20, pnt + 11);
224
#else
225
#include <starlet.h>
226
  struct
227
  {
228
    int Size;
229
    unsigned char *Ptr;
230
  } Descriptor;
231
  Descriptor.Size = 17;
232
  Descriptor.Ptr = tbuf;
233
  SYS$ASCTIM (0, &Descriptor, 0, 0);
234
#endif /* not VMS */
235
 
236
#if VMS_DEBUG
237
  vms_debug (6, "vmstimestring:'%s'\n", tbuf);
238
#endif
239
 
240
  return tbuf;
241
}
242
 
243
 
244
/* write object header for bfd abfd  */
245
 
246
int
247
_bfd_vms_write_hdr (abfd, objtype)
248
     bfd *abfd;
249
     int objtype;
250
{
251
  asymbol *symbol;
252
  unsigned int symnum;
253
  int had_case = 0;
254
  int had_file = 0;
255
 
256
 
257
#if VMS_DEBUG
258
  vms_debug (2, "vms_write_hdr (%p)\n", abfd);
259
#endif
260
 
261
  _bfd_vms_output_alignment (abfd, 2);
262
 
263
  /* MHD */
264
 
265
  if (objtype == OBJ_S_C_HDR)
266
    {
267
    }
268
  else
269
    {
270
      _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
271
      _bfd_vms_output_short (abfd, EOBJ_S_C_STRLVL);
272
      _bfd_vms_output_long (abfd, 0);
273
      _bfd_vms_output_long (abfd, 0);
274
      _bfd_vms_output_long (abfd, MAX_OUTREC_SIZE);
275
    }
276
 
277
  if (bfd_get_filename (abfd) != 0)
278
    {
279
      /* strip path and suffix information */
280
 
281
      char *fname, *fout, *fptr;
282
 
283
      fptr = bfd_get_filename (abfd);
284
      fname = (char *) alloca (strlen (fptr) + 1);
285
      strcpy (fname, fptr);
286
      fout = strrchr (fname, ']');
287
      if (fout == 0)
288
        fout = strchr (fname, ':');
289
      if (fout != 0)
290
        fout++;
291
      else
292
        fout = fname;
293
 
294
      /* strip .obj suffix  */
295
 
296
      fptr = strrchr (fname, '.');
297
      if ((fptr != 0)
298
          && (strcasecmp (fptr, ".OBJ") == 0))
299
        *fptr = 0;
300
 
301
      fptr = fout;
302
      while (*fptr != 0)
303
        {
304
          if (islower (*fptr))
305
            *fptr = toupper (*fptr);
306
          fptr++;
307
          if ((*fptr == ';')
308
             || ((fptr - fout) > 31))
309
            *fptr = 0;
310
        }
311
      _bfd_vms_output_counted (abfd, fout);
312
    }
313
  else
314
    _bfd_vms_output_counted (abfd, "NONAME");
315
 
316
  _bfd_vms_output_counted (abfd, BFD_VERSION);
317
  _bfd_vms_output_dump (abfd, get_vms_time_string (), 17);
318
  _bfd_vms_output_fill (abfd, 0, 17);
319
  _bfd_vms_output_flush (abfd);
320
 
321
  /* LMN */
322
 
323
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
324
  _bfd_vms_output_dump (abfd, (unsigned char *)"GAS proGIS", 10);
325
  _bfd_vms_output_flush (abfd);
326
 
327
  /* SRC */
328
 
329
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
330
 
331
  for (symnum = 0; symnum < abfd->symcount; symnum++)
332
    {
333
      symbol = abfd->outsymbols[symnum];
334
 
335
      if (symbol->flags & BSF_FILE)
336
        {
337
          if (strncmp ((char *)symbol->name, "<CASE:", 6) == 0)
338
            {
339
              PRIV(flag_hash_long_names) = symbol->name[6] - '0';
340
              PRIV(flag_show_after_trunc) = symbol->name[7] - '0';
341
 
342
              if (had_file)
343
                break;
344
              had_case = 1;
345
              continue;
346
            }
347
 
348
          _bfd_vms_output_dump (abfd, (unsigned char *)symbol->name, strlen (symbol->name));
349
          if (had_case)
350
            break;
351
          had_file = 1;
352
        }
353
    }
354
 
355
  if (symnum == abfd->symcount)
356
    _bfd_vms_output_dump (abfd, (unsigned char *)"noname", 6);
357
 
358
  _bfd_vms_output_flush (abfd);
359
 
360
  /* TTL */
361
 
362
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
363
  _bfd_vms_output_dump (abfd, (unsigned char *)"TTL", 3);
364
  _bfd_vms_output_flush (abfd);
365
 
366
  /* CPR */
367
 
368
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
369
  _bfd_vms_output_dump (abfd,
370
                         (unsigned char *)"GNU BFD ported by Klaus Kämpf 1994-1996",
371
                         39);
372
  _bfd_vms_output_flush (abfd);
373
 
374
  return 0;
375
}
376
 
377
/*-----------------------------------------------------------------------------*/
378
 
379
/* Process EOM/EEOM record
380
   return 0 on success, -1 on error  */
381
 
382
int
383
_bfd_vms_slurp_eom (abfd, objtype)
384
     bfd *abfd;
385
     int objtype;
386
{
387
  unsigned char *vms_rec;
388
 
389
#if VMS_DEBUG
390
  vms_debug(2, "EOM/EEOM\n");
391
#endif
392
 
393
  vms_rec = PRIV(vms_rec);
394
 
395
  if ((objtype == OBJ_S_C_EOM)
396
     || (objtype == OBJ_S_C_EOMW))
397
    {
398
    }
399
  else
400
    {
401
      PRIV(eom_data).eom_l_total_lps = bfd_getl32 (vms_rec + 4);
402
      PRIV(eom_data).eom_b_comcod = *(vms_rec + 8);
403
      if (PRIV(eom_data).eom_b_comcod > 1)
404
        {
405
          (*_bfd_error_handler) (_("Object module NOT error-free !\n"));
406
          bfd_set_error (bfd_error_bad_value);
407
          return -1;
408
        }
409
      PRIV(eom_data).eom_has_transfer = false;
410
      if (PRIV(rec_size) > 10)
411
        {
412
           PRIV(eom_data).eom_has_transfer = true;
413
           PRIV(eom_data).eom_b_tfrflg = *(vms_rec + 9);
414
           PRIV(eom_data).eom_l_psindx = bfd_getl32 (vms_rec + 12);
415
           PRIV(eom_data).eom_l_tfradr = bfd_getl32 (vms_rec + 16);
416
 
417
           abfd->start_address = PRIV(eom_data).eom_l_tfradr;
418
        }
419
    }
420
  return 0;
421
}
422
 
423
 
424
/* Write eom record for bfd abfd  */
425
 
426
int
427
_bfd_vms_write_eom (abfd, objtype)
428
     bfd *abfd;
429
     int objtype;
430
{
431
#if VMS_DEBUG
432
  vms_debug (2, "vms_write_eom (%p, %d)\n", abfd, objtype);
433
#endif
434
 
435
  _bfd_vms_output_begin (abfd, objtype, -1);
436
  _bfd_vms_output_long (abfd, (unsigned long)(PRIV(vms_linkage_index) >> 1));
437
  _bfd_vms_output_byte (abfd, 0);        /* completion code */
438
  _bfd_vms_output_byte (abfd, 0);        /* fill byte */
439
 
440
  if (bfd_get_start_address (abfd) != (bfd_vma)-1)
441
    {
442
      asection *section;
443
 
444
      section = bfd_get_section_by_name (abfd, ".link");
445
      if (section == 0)
446
        {
447
          bfd_set_error (bfd_error_nonrepresentable_section);
448
          return -1;
449
        }
450
      _bfd_vms_output_short (abfd, 0);
451
      _bfd_vms_output_long (abfd, (unsigned long)(section->index));
452
      _bfd_vms_output_long (abfd,
453
                             (unsigned long) bfd_get_start_address (abfd));
454
      _bfd_vms_output_long (abfd, 0);
455
    }
456
 
457
  _bfd_vms_output_end (abfd);
458
  return 0;
459
}

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