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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [bfd/] [vms-hdr.c] - Blame information for rev 816

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1 38 julius
/* vms-hdr.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
2
   EVAX (openVMS/Alpha) files.
3
   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
4
   2007 Free Software Foundation, Inc.
5
 
6
   HDR record handling functions
7
   EMH record handling functions
8
   and
9
   EOM record handling functions
10
   EEOM record handling functions
11
 
12
   Written by Klaus K"ampf (kkaempf@rmi.de)
13
 
14
   This program is free software; you can redistribute it and/or modify
15
   it under the terms of the GNU General Public License as published by
16
   the Free Software Foundation; either version 3 of the License, or
17
   (at your option) any later version.
18
 
19
   This program is distributed in the hope that it will be useful,
20
   but WITHOUT ANY WARRANTY; without even the implied warranty of
21
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22
   GNU General Public License for more details.
23
 
24
   You should have received a copy of the GNU General Public License
25
   along with this program; if not, write to the Free Software
26
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
27
   MA 02110-1301, USA.  */
28
 
29
#include "sysdep.h"
30
#include "bfd.h"
31
#include "bfdver.h"
32
#include "bfdlink.h"
33
#include "safe-ctype.h"
34
#include "libbfd.h"
35
 
36
#include "vms.h"
37
 
38
#ifdef HAVE_ALLOCA_H
39
#include <alloca.h>
40
#endif
41
 
42
/* Read & process emh record
43
   return 0 on success, -1 on error.  */
44
 
45
int
46
_bfd_vms_slurp_hdr (bfd *abfd, int objtype)
47
{
48
  unsigned char *ptr;
49
  unsigned char *vms_rec;
50
  int subtype;
51
 
52
  vms_rec = PRIV(vms_rec);
53
 
54
#if VMS_DEBUG
55
  vms_debug(2, "HDR/EMH\n");
56
#endif
57
 
58
  switch (objtype)
59
    {
60
    case OBJ_S_C_HDR:
61
      subtype = vms_rec[1];
62
      break;
63
    case EOBJ_S_C_EMH:
64
      subtype = bfd_getl16 (vms_rec + 4) + EVAX_OFFSET;
65
      break;
66
    default:
67
      subtype = -1;
68
    }
69
 
70
#if VMS_DEBUG
71
  vms_debug(3, "subtype %d\n", subtype);
72
#endif
73
 
74
  switch (subtype)
75
    {
76
    case MHD_S_C_MHD:
77
      /* Module header.  */
78
      PRIV (hdr_data).hdr_b_strlvl = vms_rec[2];
79
      PRIV (hdr_data).hdr_l_recsiz = bfd_getl16 (vms_rec + 3);
80
      PRIV (hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 5);
81
      ptr = vms_rec + 5 + vms_rec[5] + 1;
82
      PRIV (hdr_data).hdr_t_version = _bfd_vms_save_counted_string (ptr);
83
      ptr += *ptr + 1;
84
      PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
85
      break;
86
 
87
    case MHD_S_C_LNM:
88
      PRIV (hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 2));
89
      break;
90
 
91
    case MHD_S_C_SRC:
92
      PRIV (hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 2));
93
      break;
94
 
95
    case MHD_S_C_TTL:
96
      PRIV (hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 2));
97
      break;
98
 
99
    case EMH_S_C_MHD + EVAX_OFFSET:
100
      /* Module header.  */
101
      PRIV (hdr_data).hdr_b_strlvl = vms_rec[6];
102
      PRIV (hdr_data).hdr_l_arch1  = bfd_getl32 (vms_rec + 8);
103
      PRIV (hdr_data).hdr_l_arch2  = bfd_getl32 (vms_rec + 12);
104
      PRIV (hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
105
      PRIV (hdr_data).hdr_t_name   = _bfd_vms_save_counted_string (vms_rec + 20);
106
      ptr = vms_rec + 20 + vms_rec[20] + 1;
107
      PRIV (hdr_data).hdr_t_version =_bfd_vms_save_counted_string (ptr);
108
      ptr += *ptr + 1;
109
      PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
110
      break;
111
 
112
    case EMH_S_C_LNM + EVAX_OFFSET:
113
      PRIV (hdr_data).hdr_c_lnm = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 6));
114
      break;
115
 
116
    case EMH_S_C_SRC + EVAX_OFFSET:
117
      PRIV (hdr_data).hdr_c_src = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 6));
118
      break;
119
 
120
    case EMH_S_C_TTL + EVAX_OFFSET:
121
      PRIV (hdr_data).hdr_c_ttl = _bfd_vms_save_sized_string (vms_rec, PRIV (rec_length - 6));
122
      break;
123
 
124
    case MHD_S_C_CPR:
125
    case MHD_S_C_MTC:
126
    case MHD_S_C_GTX:
127
    case EMH_S_C_CPR + EVAX_OFFSET:
128
    case EMH_S_C_MTC + EVAX_OFFSET:
129
    case EMH_S_C_GTX + EVAX_OFFSET:
130
      break;
131
 
132
    default:
133
      bfd_set_error (bfd_error_wrong_format);
134
      return -1;
135
    }
136
 
137
  return 0;
138
}
139
 
140
/* Output routines.  */
141
 
142
/* Manufacture a VMS like time on a unix based system.
143
   stolen from obj-vms.c.  */
144
 
145
static unsigned char *
146
get_vms_time_string (void)
147
{
148
  static unsigned char tbuf[18];
149
#ifndef VMS
150
#include <time.h>
151
 
152
  char *pnt;
153
  time_t timeb;
154
 
155
  time (& timeb);
156
  pnt = ctime (&timeb);
157
  pnt[3] = 0;
158
  pnt[7] = 0;
159
  pnt[10] = 0;
160
  pnt[16] = 0;
161
  pnt[24] = 0;
162
  sprintf ((char *) tbuf, "%2s-%3s-%s %s",
163
           pnt + 8, pnt + 4, pnt + 20, pnt + 11);
164
#else
165
#include <starlet.h>
166
  struct
167
  {
168
    int Size;
169
    unsigned char *Ptr;
170
  } Descriptor;
171
  Descriptor.Size = 17;
172
  Descriptor.Ptr = tbuf;
173
  SYS$ASCTIM (0, &Descriptor, 0, 0);
174
#endif /* not VMS */
175
 
176
#if VMS_DEBUG
177
  vms_debug (6, "vmstimestring:'%s'\n", tbuf);
178
#endif
179
 
180
  return tbuf;
181
}
182
 
183
/* Write object header for bfd abfd.  */
184
 
185
int
186
_bfd_vms_write_hdr (bfd *abfd, int objtype)
187
{
188
  asymbol *symbol;
189
  unsigned int symnum;
190
  int had_case = 0;
191
  int had_file = 0;
192
 
193
#if VMS_DEBUG
194
  vms_debug (2, "vms_write_hdr (%p)\n", abfd);
195
#endif
196
 
197
  _bfd_vms_output_alignment (abfd, 2);
198
 
199
  /* MHD.  */
200
  if (objtype != OBJ_S_C_HDR)
201
    {
202
      _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_MHD);
203
      _bfd_vms_output_short (abfd, EOBJ_S_C_STRLVL);
204
      _bfd_vms_output_long (abfd, 0);
205
      _bfd_vms_output_long (abfd, 0);
206
      _bfd_vms_output_long (abfd, MAX_OUTREC_SIZE);
207
    }
208
 
209
  if (bfd_get_filename (abfd) != 0)
210
    {
211
      /* Strip path and suffix information.  */
212
      char *fname, *fout, *fptr;
213
 
214
      fptr = bfd_get_filename (abfd);
215
      fname = alloca (strlen (fptr) + 1);
216
      strcpy (fname, fptr);
217
      fout = strrchr (fname, ']');
218
      if (fout == 0)
219
        fout = strchr (fname, ':');
220
      if (fout != 0)
221
        fout++;
222
      else
223
        fout = fname;
224
 
225
      /* Strip .obj suffix.  */
226
      fptr = strrchr (fname, '.');
227
      if ((fptr != 0)
228
          && (strcasecmp (fptr, ".OBJ") == 0))
229
        *fptr = 0;
230
 
231
      fptr = fout;
232
      while (*fptr != 0)
233
        {
234
          *fptr = TOUPPER (*fptr);
235
          fptr++;
236
          if ((*fptr == ';')
237
             || ((fptr - fout) > 31))
238
            *fptr = 0;
239
        }
240
      _bfd_vms_output_counted (abfd, fout);
241
    }
242
  else
243
    _bfd_vms_output_counted (abfd, "NONAME");
244
 
245
  _bfd_vms_output_counted (abfd, BFD_VERSION_STRING);
246
  _bfd_vms_output_dump (abfd, get_vms_time_string (), 17);
247
  _bfd_vms_output_fill (abfd, 0, 17);
248
  _bfd_vms_output_flush (abfd);
249
 
250
  /* LMN.  */
251
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_LNM);
252
  _bfd_vms_output_dump (abfd, (unsigned char *) STRING_COMMA_LEN ("GAS proGIS"));
253
  _bfd_vms_output_flush (abfd);
254
 
255
  /* SRC.  */
256
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_SRC);
257
 
258
  for (symnum = 0; symnum < abfd->symcount; symnum++)
259
    {
260
      symbol = abfd->outsymbols[symnum];
261
 
262
      if (symbol->flags & BSF_FILE)
263
        {
264
          if (CONST_STRNEQ ((char *)symbol->name, "<CASE:"))
265
            {
266
              PRIV (flag_hash_long_names) = symbol->name[6] - '0';
267
              PRIV (flag_show_after_trunc) = symbol->name[7] - '0';
268
 
269
              if (had_file)
270
                break;
271
              had_case = 1;
272
              continue;
273
            }
274
 
275
          _bfd_vms_output_dump (abfd, (unsigned char *) symbol->name,
276
                                (int) strlen (symbol->name));
277
          if (had_case)
278
            break;
279
          had_file = 1;
280
        }
281
    }
282
 
283
  if (symnum == abfd->symcount)
284
    _bfd_vms_output_dump (abfd, (unsigned char *) STRING_COMMA_LEN ("noname"));
285
 
286
  _bfd_vms_output_flush (abfd);
287
 
288
  /* TTL.  */
289
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_TTL);
290
  _bfd_vms_output_dump (abfd, (unsigned char *) STRING_COMMA_LEN ("TTL"));
291
  _bfd_vms_output_flush (abfd);
292
 
293
  /* CPR.  */
294
  _bfd_vms_output_begin (abfd, EOBJ_S_C_EMH, EMH_S_C_CPR);
295
  _bfd_vms_output_dump (abfd,
296
                         (unsigned char *)"GNU BFD ported by Klaus Kämpf 1994-1996",
297
                         39);
298
  _bfd_vms_output_flush (abfd);
299
 
300
  return 0;
301
}
302
 
303
/* Process EOM/EEOM record
304
   return 0 on success, -1 on error.  */
305
 
306
int
307
_bfd_vms_slurp_eom (bfd *abfd, int objtype)
308
{
309
  unsigned char *vms_rec;
310
 
311
#if VMS_DEBUG
312
  vms_debug(2, "EOM/EEOM\n");
313
#endif
314
 
315
  vms_rec = PRIV (vms_rec);
316
 
317
  if ((objtype == OBJ_S_C_EOM)
318
     || (objtype == OBJ_S_C_EOMW))
319
    {
320
    }
321
  else
322
    {
323
      PRIV (eom_data).eom_l_total_lps = bfd_getl32 (vms_rec + 4);
324
      PRIV (eom_data).eom_b_comcod = *(vms_rec + 8);
325
 
326
      if (PRIV (eom_data).eom_b_comcod > 1)
327
        {
328
          (*_bfd_error_handler) (_("Object module NOT error-free !\n"));
329
          bfd_set_error (bfd_error_bad_value);
330
          return -1;
331
        }
332
      PRIV (eom_data).eom_has_transfer = FALSE;
333
      if (PRIV (rec_size) > 10)
334
        {
335
           PRIV (eom_data).eom_has_transfer = TRUE;
336
           PRIV (eom_data).eom_b_tfrflg = *(vms_rec + 9);
337
           PRIV (eom_data).eom_l_psindx = bfd_getl32 (vms_rec + 12);
338
           PRIV (eom_data).eom_l_tfradr = bfd_getl32 (vms_rec + 16);
339
 
340
           abfd->start_address = PRIV (eom_data).eom_l_tfradr;
341
        }
342
    }
343
  return 0;
344
}
345
 
346
/* Write eom record for bfd abfd.  */
347
 
348
int
349
_bfd_vms_write_eom (bfd *abfd, int objtype)
350
{
351
#if VMS_DEBUG
352
  vms_debug (2, "vms_write_eom (%p, %d)\n", abfd, objtype);
353
#endif
354
 
355
  _bfd_vms_output_begin (abfd, objtype, -1);
356
  _bfd_vms_output_long (abfd, (unsigned long) (PRIV (vms_linkage_index) >> 1));
357
  _bfd_vms_output_byte (abfd, 0);        /* Completion code.  */
358
  _bfd_vms_output_byte (abfd, 0);        /* Fill byte.  */
359
 
360
  if (bfd_get_start_address (abfd) != (bfd_vma)-1)
361
    {
362
      asection *section;
363
 
364
      section = bfd_get_section_by_name (abfd, ".link");
365
      if (section == 0)
366
        {
367
          bfd_set_error (bfd_error_nonrepresentable_section);
368
          return -1;
369
        }
370
      _bfd_vms_output_short (abfd, 0);
371
      _bfd_vms_output_long (abfd, (unsigned long) (section->index));
372
      _bfd_vms_output_long (abfd,
373
                             (unsigned long) bfd_get_start_address (abfd));
374
      _bfd_vms_output_long (abfd, 0);
375
    }
376
 
377
  _bfd_vms_output_end (abfd);
378
  return 0;
379
}

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