2000-04-03 H.J. Lu <hjl@gnu.org>
[deliverable/binutils-gdb.git] / bfd / vms-hdr.c
CommitLineData
252b5132
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1/* vms-hdr.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
2 EVAX (openVMS/Alpha) files.
e049a0de 3 Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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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
13This program is free software; you can redistribute it and/or modify
14it under the terms of the GNU General Public License as published by
15the Free Software Foundation; either version 2 of the License, or
16(at your option) any later version.
17
18This program is distributed in the hope that it will be useful,
19but WITHOUT ANY WARRANTY; without even the implied warranty of
20MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21GNU General Public License for more details.
22
23You should have received a copy of the GNU General Public License
24along with this program; if not, write to the Free Software
25Foundation, 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
42int
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
207static unsigned char *
208get_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
246int
247_bfd_vms_write_hdr (abfd, objtype)
248 bfd *abfd;
249 int objtype;
250{
251 asymbol *symbol;
5f771d47 252 unsigned int symnum;
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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 {
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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,