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[binutils.git] / bfd / vms-gsd.c
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1 /* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and
2 EVAX (openVMS/Alpha) files.
3 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2007 Free Software Foundation, Inc.
6 go and read the openVMS linker manual (esp. appendix B)
7 if you don't know what's going on here :-)
9 Written by Klaus K"ampf (kkaempf@rmi.de)
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
24 MA 02110-1301, USA. */
26 #include "sysdep.h"
27 #include "bfd.h"
28 #include "bfdlink.h"
29 #include "libbfd.h"
31 #include "vms.h"
33 /* Typical sections for vax object files. */
35 #define VAX_CODE_NAME "$CODE"
36 #define VAX_DATA_NAME "$DATA"
37 #define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA"
39 /* Typical sections for evax object files. */
41 #define EVAX_ABS_NAME "$ABS$"
42 #define EVAX_CODE_NAME "$CODE$"
43 #define EVAX_LINK_NAME "$LINK$"
44 #define EVAX_DATA_NAME "$DATA$"
45 #define EVAX_BSS_NAME "$BSS$"
46 #define EVAX_READONLYADDR_NAME "$READONLY_ADDR$"
47 #define EVAX_READONLY_NAME "$READONLY$"
48 #define EVAX_LITERAL_NAME "$LITERAL$"
49 #define EVAX_COMMON_NAME "$COMMON$"
50 #define EVAX_LOCAL_NAME "$LOCAL$"
52 struct sec_flags_struct
54 char *name; /* Name of section. */
55 int vflags_always;
56 flagword flags_always; /* Flags we set always. */
57 int vflags_hassize;
58 flagword flags_hassize; /* Flags we set if the section has a size > 0. */
61 /* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible. */
63 static struct sec_flags_struct vax_section_flags[] =
65 { VAX_CODE_NAME,
66 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
67 (SEC_CODE),
68 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
69 (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
70 { VAX_DATA_NAME,
71 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
72 (SEC_DATA),
73 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
74 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
75 { VAX_ADDRESS_DATA_NAME,
76 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
77 (SEC_DATA | SEC_READONLY),
78 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
79 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
80 { NULL,
81 (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
82 (SEC_DATA),
83 (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
84 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
87 /* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible. */
89 static struct sec_flags_struct evax_section_flags[] =
91 { EVAX_ABS_NAME,
92 (EGPS_S_V_SHR),
93 (SEC_DATA),
94 (EGPS_S_V_SHR),
95 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
96 { EVAX_CODE_NAME,
97 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
98 (SEC_CODE),
99 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
100 (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
101 { EVAX_LITERAL_NAME,
102 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
103 (SEC_DATA | SEC_READONLY),
104 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
105 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
106 { EVAX_LINK_NAME,
107 (EGPS_S_V_REL | EGPS_S_V_RD),
108 (SEC_DATA | SEC_READONLY),
109 (EGPS_S_V_REL | EGPS_S_V_RD),
110 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
111 { EVAX_DATA_NAME,
112 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
113 (SEC_DATA),
114 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
115 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
116 { EVAX_BSS_NAME,
117 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
118 (SEC_NO_FLAGS),
119 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
120 (SEC_IN_MEMORY | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
121 { EVAX_READONLYADDR_NAME,
122 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
123 (SEC_DATA | SEC_READONLY),
124 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
125 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
126 { EVAX_READONLY_NAME,
127 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
128 (SEC_DATA | SEC_READONLY),
129 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
130 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
131 { EVAX_LOCAL_NAME,
132 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
133 (SEC_DATA),
134 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
135 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
136 { NULL,
137 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
138 (SEC_DATA),
139 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
140 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
143 /* Retrieve bfd section flags by name and size. */
145 static flagword
146 vms_secflag_by_name (bfd *abfd,
147 struct sec_flags_struct *section_flags,
148 char *name,
149 int hassize)
151 int i = 0;
153 while (section_flags[i].name != NULL)
155 if ((PRIV (is_vax)?
156 strcasecmp (name, section_flags[i].name):
157 strcmp (name, section_flags[i].name)) == 0)
159 if (hassize)
160 return section_flags[i].flags_hassize;
161 else
162 return section_flags[i].flags_always;
164 i++;
166 if (hassize)
167 return section_flags[i].flags_hassize;
168 return section_flags[i].flags_always;
171 /* Retrieve vms section flags by name and size. */
173 static flagword
174 vms_esecflag_by_name (struct sec_flags_struct *section_flags,
175 char *name,
176 int hassize)
178 int i = 0;
180 while (section_flags[i].name != NULL)
182 if (strcmp (name, section_flags[i].name) == 0)
184 if (hassize)
185 return section_flags[i].vflags_hassize;
186 else
187 return section_flags[i].vflags_always;
189 i++;
191 if (hassize)
192 return section_flags[i].vflags_hassize;
193 return section_flags[i].vflags_always;
196 #if VMS_DEBUG
198 struct flagdescstruct { char *name; flagword value; };
200 /* Convert flag to printable string. */
202 static char *
203 flag2str (struct flagdescstruct * flagdesc, flagword flags)
205 static char res[64];
206 int next = 0;
208 res[0] = 0;
209 while (flagdesc->name != NULL)
211 if ((flags & flagdesc->value) != 0)
213 if (next)
214 strcat (res, ",");
215 else
216 next = 1;
217 strcat (res, flagdesc->name);
219 flagdesc++;
221 return res;
223 #endif
225 /* Input routines. */
227 /* Process GSD/EGSD record
228 return 0 on success, -1 on error. */
231 _bfd_vms_slurp_gsd (bfd * abfd, int objtype)
233 #if VMS_DEBUG
234 static struct flagdescstruct gpsflagdesc[] =
236 { "PIC", 0x0001 },
237 { "LIB", 0x0002 },
238 { "OVR", 0x0004 },
239 { "REL", 0x0008 },
240 { "GBL", 0x0010 },
241 { "SHR", 0x0020 },
242 { "EXE", 0x0040 },
243 { "RD", 0x0080 },
244 { "WRT", 0x0100 },
245 { "VEC", 0x0200 },
246 { "NOMOD", 0x0400 },
247 { "COM", 0x0800 },
248 { NULL, 0 }
251 static struct flagdescstruct gsyflagdesc[] =
253 { "WEAK", 0x0001 },
254 { "DEF", 0x0002 },
255 { "UNI", 0x0004 },
256 { "REL", 0x0008 },
257 { "COMM", 0x0010 },
258 { "VECEP", 0x0020 },
259 { "NORM", 0x0040 },
260 { NULL, 0 }
262 #endif
264 int gsd_type, gsd_size;
265 asection *section;
266 unsigned char *vms_rec;
267 flagword new_flags, old_flags;
268 char *name;
269 asymbol *symbol;
270 vms_symbol_entry *entry;
271 unsigned long base_addr;
272 unsigned long align_addr;
273 static unsigned int psect_idx = 0;
275 #if VMS_DEBUG
276 vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
277 #endif
279 switch (objtype)
281 case EOBJ_S_C_EGSD:
282 PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */
283 PRIV (rec_size) -= 8;
284 break;
285 case OBJ_S_C_GSD:
286 PRIV (vms_rec) += 1;
287 PRIV (rec_size) -= 1;
288 break;
289 default:
290 return -1;
293 /* Calculate base address for each section. */
294 base_addr = 0L;
296 abfd->symcount = 0;
298 while (PRIV (rec_size) > 0)
300 vms_rec = PRIV (vms_rec);
302 if (objtype == OBJ_S_C_GSD)
303 gsd_type = *vms_rec;
304 else
306 _bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size);
307 gsd_type += EVAX_OFFSET;
310 #if VMS_DEBUG
311 vms_debug (3, "gsd_type %d\n", gsd_type);
312 #endif
314 switch (gsd_type)
316 case GSD_S_C_PSC:
318 /* Program section definition. */
319 asection *old_section = 0;
321 #if VMS_DEBUG
322 vms_debug (4, "GSD_S_C_PSC\n");
323 #endif
324 /* If this section isn't a bfd section. */
325 if (PRIV (is_vax) && (psect_idx < (abfd->section_count-1)))
327 /* Check for temporary section from TIR record. */
328 if (psect_idx < PRIV (section_count))
329 old_section = PRIV (sections)[psect_idx];
330 else
331 old_section = 0;
334 name = _bfd_vms_save_counted_string (vms_rec + 8);
335 section = bfd_make_section (abfd, name);
336 if (!section)
338 (*_bfd_error_handler) (_("bfd_make_section (%s) failed"),
339 name);
340 return -1;
342 old_flags = bfd_getl16 (vms_rec + 2);
343 section->size = bfd_getl32 (vms_rec + 4); /* allocation */
344 new_flags = vms_secflag_by_name (abfd, vax_section_flags, name,
345 section->size > 0);
346 if (old_flags & EGPS_S_V_REL)
347 new_flags |= SEC_RELOC;
348 if (old_flags & GPS_S_M_OVR)
349 new_flags |= SEC_IS_COMMON;
350 if (!bfd_set_section_flags (abfd, section, new_flags))
352 (*_bfd_error_handler)
353 (_("bfd_set_section_flags (%s, %x) failed"),
354 name, new_flags);
355 return -1;
357 section->alignment_power = vms_rec[1];
358 align_addr = (1 << section->alignment_power);
359 if ((base_addr % align_addr) != 0)
360 base_addr += (align_addr - (base_addr % align_addr));
361 section->vma = (bfd_vma)base_addr;
362 base_addr += section->size;
364 /* Global section is common symbol. */
366 if (old_flags & GPS_S_M_GBL)
368 entry = _bfd_vms_enter_symbol (abfd, name);
369 if (entry == NULL)
371 bfd_set_error (bfd_error_no_memory);
372 return -1;
374 symbol = entry->symbol;
376 symbol->value = 0;
377 symbol->section = section;
378 symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON);
381 /* Copy saved contents if old_section set. */
382 if (old_section != 0)
384 section->contents = old_section->contents;
385 if (section->size < old_section->size)
387 (*_bfd_error_handler)
388 (_("Size mismatch section %s=%lx, %s=%lx"),
389 old_section->name,
390 (unsigned long) old_section->size,
391 section->name,
392 (unsigned long) section->size);
393 return -1;
395 else if (section->size > old_section->size)
397 section->contents = bfd_realloc (old_section->contents,
398 section->size);
399 if (section->contents == NULL)
401 bfd_set_error (bfd_error_no_memory);
402 return -1;
406 else
408 section->contents = bfd_zmalloc (section->size);
409 if (section->contents == NULL)
411 bfd_set_error (bfd_error_no_memory);
412 return -1;
415 #if VMS_DEBUG
416 vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
417 section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
418 vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
419 section->size, section->vma, section->contents);
420 #endif
422 gsd_size = vms_rec[8] + 9;
424 psect_idx++;
426 break;
428 case GSD_S_C_EPM:
429 case GSD_S_C_EPMW:
430 #if VMS_DEBUG
431 vms_debug (4, "gsd epm\n");
432 #endif
433 /* Fall through. */
434 case GSD_S_C_SYM:
435 case GSD_S_C_SYMW:
437 int name_offset = 0, value_offset = 0;
439 /* Symbol specification (definition or reference). */
440 #if VMS_DEBUG
441 vms_debug (4, "GSD_S_C_SYM(W)\n");
442 #endif
443 old_flags = bfd_getl16 (vms_rec + 2);
444 new_flags = BSF_NO_FLAGS;
446 if (old_flags & GSY_S_M_WEAK)
447 new_flags |= BSF_WEAK;
449 switch (gsd_type)
451 case GSD_S_C_EPM:
452 name_offset = 11;
453 value_offset = 5;
454 new_flags |= BSF_FUNCTION;
455 break;
456 case GSD_S_C_EPMW:
457 name_offset = 12;
458 value_offset = 6;
459 new_flags |= BSF_FUNCTION;
460 break;
461 case GSD_S_C_SYM:
462 if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
463 name_offset = 9;
464 else
465 name_offset = 4;
466 value_offset = 5;
467 break;
468 case GSD_S_C_SYMW:
469 if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
470 name_offset = 10;
471 else
472 name_offset = 5;
473 value_offset = 6;
474 break;
477 /* Save symbol in vms_symbol_table. */
478 entry = _bfd_vms_enter_symbol
479 (abfd, _bfd_vms_save_counted_string (vms_rec + name_offset));
480 if (entry == NULL)
482 bfd_set_error (bfd_error_no_memory);
483 return -1;
485 symbol = entry->symbol;
487 if (old_flags & GSY_S_M_DEF)
489 /* Symbol definition. */
490 int psect;
492 symbol->value = bfd_getl32 (vms_rec + value_offset);
493 if ((gsd_type == GSD_S_C_SYMW)
494 || (gsd_type == GSD_S_C_EPMW))
495 psect = bfd_getl16 (vms_rec + value_offset - 2);
496 else
497 psect = vms_rec[value_offset-1];
499 symbol->section = (asection *) (size_t) psect;
500 #if VMS_DEBUG
501 vms_debug (4, "gsd sym def #%d (%s, %d [%p], %04x=%s)\n", abfd->symcount,
502 symbol->name, (int)symbol->section, symbol->section, old_flags, flag2str (gsyflagdesc, old_flags));
503 #endif
505 else
507 /* Symbol reference. */
508 symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
509 #if VMS_DEBUG
510 vms_debug (4, "gsd sym ref #%d (%s, %s [%p], %04x=%s)\n",
511 abfd->symcount, symbol->name, symbol->section->name,
512 symbol->section, old_flags, flag2str (gsyflagdesc, old_flags));
513 #endif
516 gsd_size = vms_rec[name_offset] + name_offset + 1;
517 symbol->flags = new_flags;
520 break;
522 case GSD_S_C_PRO:
523 case GSD_S_C_PROW:
524 #if VMS_DEBUG
525 vms_debug (4, "gsd pro\n");
526 #endif
527 break;
528 case GSD_S_C_IDC:
529 #if VMS_DEBUG
530 vms_debug (4, "gsd idc\n");
531 #endif
532 break;
533 case GSD_S_C_ENV:
534 #if VMS_DEBUG
535 vms_debug (4, "gsd env\n");
536 #endif
537 break;
538 case GSD_S_C_LSY:
539 #if VMS_DEBUG
540 vms_debug (4, "gsd lsy\n");
541 #endif
542 break;
543 case GSD_S_C_LEPM:
544 #if VMS_DEBUG
545 vms_debug (4, "gsd lepm\n");
546 #endif
547 break;
548 case GSD_S_C_LPRO:
549 #if VMS_DEBUG
550 vms_debug (4, "gsd lpro\n");
551 #endif
552 break;
553 case GSD_S_C_SPSC:
554 #if VMS_DEBUG
555 vms_debug (4, "gsd spsc\n");
556 #endif
557 break;
558 case GSD_S_C_SYMV:
559 #if VMS_DEBUG
560 vms_debug (4, "gsd symv\n");
561 #endif
562 break;
563 case GSD_S_C_EPMV:
564 #if VMS_DEBUG
565 vms_debug (4, "gsd epmv\n");
566 #endif
567 break;
568 case GSD_S_C_PROV:
569 #if VMS_DEBUG
570 vms_debug (4, "gsd prov\n");
571 #endif
572 break;
574 case EGSD_S_C_PSC + EVAX_OFFSET:
576 /* Program section definition. */
577 name = _bfd_vms_save_counted_string (vms_rec + 12);
578 section = bfd_make_section (abfd, name);
579 if (!section)
580 return -1;
581 old_flags = bfd_getl16 (vms_rec + 6);
582 section->size = bfd_getl32 (vms_rec + 8); /* Allocation. */
583 new_flags = vms_secflag_by_name (abfd, evax_section_flags, name,
584 section->size > 0);
585 if (old_flags & EGPS_S_V_REL)
586 new_flags |= SEC_RELOC;
587 if (!bfd_set_section_flags (abfd, section, new_flags))
588 return -1;
589 section->alignment_power = vms_rec[4];
590 align_addr = (1 << section->alignment_power);
591 if ((base_addr % align_addr) != 0)
592 base_addr += (align_addr - (base_addr % align_addr));
593 section->vma = (bfd_vma)base_addr;
594 base_addr += section->size;
595 section->contents = bfd_zmalloc (section->size);
596 if (section->contents == NULL)
597 return -1;
598 #if VMS_DEBUG
599 vms_debug (4, "egsd psc %d (%s, flags %04x=%s) ",
600 section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
601 vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
602 section->size, section->vma, section->contents);
603 #endif
605 break;
607 case EGSD_S_C_SYM + EVAX_OFFSET:
609 /* Symbol specification (definition or reference). */
610 symbol = bfd_make_empty_symbol (abfd);
611 if (symbol == 0)
612 return -1;
614 old_flags = bfd_getl16 (vms_rec + 6);
615 new_flags = BSF_NO_FLAGS;
617 if (old_flags & EGSY_S_V_WEAK)
618 new_flags |= BSF_WEAK;
620 if (vms_rec[6] & EGSY_S_V_DEF)
622 /* Symbol definition. */
623 symbol->name = _bfd_vms_save_counted_string (vms_rec + 32);
624 if (old_flags & EGSY_S_V_NORM)
625 /* Proc def. */
626 new_flags |= BSF_FUNCTION;
628 symbol->value = bfd_getl64 (vms_rec + 8);
629 symbol->section = (asection *) ((unsigned long) bfd_getl32 (vms_rec + 28));
630 #if VMS_DEBUG
631 vms_debug (4, "egsd sym def #%d (%s, %d, %04x=%s)\n", abfd->symcount,
632 symbol->name, (int) symbol->section, old_flags,
633 flag2str (gsyflagdesc, old_flags));
634 #endif
636 else
638 /* Symbol reference. */
639 symbol->name = _bfd_vms_save_counted_string (vms_rec + 8);
640 #if VMS_DEBUG
641 vms_debug (4, "egsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
642 symbol->name, old_flags, flag2str (gsyflagdesc, old_flags));
643 #endif
644 symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
647 symbol->flags = new_flags;
649 /* Save symbol in vms_symbol_table. */
650 entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
651 symbol->name,
652 TRUE, FALSE);
653 if (entry == NULL)
655 bfd_set_error (bfd_error_no_memory);
656 return -1;
659 if (entry->symbol != NULL)
661 /* FIXME ?, DEC C generates this. */
662 #if VMS_DEBUG
663 vms_debug (4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name);
664 #endif
666 else
668 entry->symbol = symbol;
669 PRIV (gsd_sym_count)++;
670 abfd->symcount++;
673 break;
675 case EGSD_S_C_IDC + EVAX_OFFSET:
676 break;
678 default:
679 (*_bfd_error_handler) (_("unknown gsd/egsd subtype %d"), gsd_type);
680 bfd_set_error (bfd_error_bad_value);
681 return -1;
684 PRIV (rec_size) -= gsd_size;
685 PRIV (vms_rec) += gsd_size;
688 if (abfd->symcount > 0)
689 abfd->flags |= HAS_SYMS;
691 return 0;
694 /* Output routines. */
696 /* Write section and symbol directory of bfd abfd. */
699 _bfd_vms_write_gsd (bfd *abfd, int objtype ATTRIBUTE_UNUSED)
701 asection *section;
702 asymbol *symbol;
703 unsigned int symnum;
704 int last_index = -1;
705 char dummy_name[10];
706 char *sname;
707 flagword new_flags, old_flags;
709 #if VMS_DEBUG
710 vms_debug (2, "vms_write_gsd (%p, %d)\n", abfd, objtype);
711 #endif
713 /* Output sections. */
714 section = abfd->sections;
715 #if VMS_DEBUG
716 vms_debug (3, "%d sections found\n", abfd->section_count);
717 #endif
719 /* Egsd is quadword aligned. */
720 _bfd_vms_output_alignment (abfd, 8);
722 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
723 _bfd_vms_output_long (abfd, 0);
724 /* Prepare output for subrecords. */
725 _bfd_vms_output_push (abfd);
727 while (section != 0)
729 #if VMS_DEBUG
730 vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->size);
731 #endif
733 /* 13 bytes egsd, max 31 chars name -> should be 44 bytes. */
734 if (_bfd_vms_output_check (abfd, 64) < 0)
736 _bfd_vms_output_pop (abfd);
737 _bfd_vms_output_end (abfd);
738 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
739 _bfd_vms_output_long (abfd, 0);
740 /* Prepare output for subrecords. */
741 _bfd_vms_output_push (abfd);
744 /* Create dummy sections to keep consecutive indices. */
745 while (section->index - last_index > 1)
747 #if VMS_DEBUG
748 vms_debug (3, "index %d, last %d\n", section->index, last_index);
749 #endif
750 _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
751 _bfd_vms_output_short (abfd, 0);
752 _bfd_vms_output_short (abfd, 0);
753 _bfd_vms_output_long (abfd, 0);
754 sprintf (dummy_name, ".DUMMY%02d", last_index);
755 _bfd_vms_output_counted (abfd, dummy_name);
756 _bfd_vms_output_flush (abfd);
757 last_index++;
760 /* Don't know if this is necessary for the linker but for now it keeps
761 vms_slurp_gsd happy */
762 sname = (char *)section->name;
763 if (*sname == '.')
765 sname++;
766 if ((*sname == 't') && (strcmp (sname, "text") == 0))
767 sname = PRIV (is_vax)?VAX_CODE_NAME:EVAX_CODE_NAME;
768 else if ((*sname == 'd') && (strcmp (sname, "data") == 0))
769 sname = PRIV (is_vax)?VAX_DATA_NAME:EVAX_DATA_NAME;
770 else if ((*sname == 'b') && (strcmp (sname, "bss") == 0))
771 sname = EVAX_BSS_NAME;
772 else if ((*sname == 'l') && (strcmp (sname, "link") == 0))
773 sname = EVAX_LINK_NAME;
774 else if ((*sname == 'r') && (strcmp (sname, "rdata") == 0))
775 sname = EVAX_READONLY_NAME;
776 else if ((*sname == 'l') && (strcmp (sname, "literal") == 0))
777 sname = EVAX_LITERAL_NAME;
778 else if ((*sname == 'c') && (strcmp (sname, "comm") == 0))
779 sname = EVAX_COMMON_NAME;
780 else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0))
781 sname = EVAX_LOCAL_NAME;
783 else
784 sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ_S_C_SECSIZ);
786 _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
787 _bfd_vms_output_short (abfd, section->alignment_power & 0xff);
788 if (bfd_is_com_section (section))
789 new_flags = (EGPS_S_V_OVR | EGPS_S_V_REL | EGPS_S_V_GBL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD | EGPS_S_V_COM);
790 else
791 new_flags = vms_esecflag_by_name (evax_section_flags, sname,
792 section->size > 0);
794 _bfd_vms_output_short (abfd, new_flags);
795 _bfd_vms_output_long (abfd, (unsigned long) section->size);
796 _bfd_vms_output_counted (abfd, sname);
797 _bfd_vms_output_flush (abfd);
799 last_index = section->index;
800 section = section->next;
803 /* Output symbols. */
804 #if VMS_DEBUG
805 vms_debug (3, "%d symbols found\n", abfd->symcount);
806 #endif
808 bfd_set_start_address (abfd, (bfd_vma) -1);
810 for (symnum = 0; symnum < abfd->symcount; symnum++)
812 char *hash;
814 symbol = abfd->outsymbols[symnum];
815 if (*(symbol->name) == '_')
817 if (strcmp (symbol->name, "__main") == 0)
818 bfd_set_start_address (abfd, (bfd_vma)symbol->value);
820 old_flags = symbol->flags;
822 if (old_flags & BSF_FILE)
823 continue;
825 if (((old_flags & (BSF_GLOBAL | BSF_WEAK)) == 0) /* Not xdef... */
826 && (!bfd_is_und_section (symbol->section))) /* ...and not xref. */
827 continue; /* Dont output. */
829 /* 13 bytes egsd, max 64 chars name -> should be 77 bytes. */
830 if (_bfd_vms_output_check (abfd, 80) < 0)
832 _bfd_vms_output_pop (abfd);
833 _bfd_vms_output_end (abfd);
834 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
835 _bfd_vms_output_long (abfd, 0);
836 /* Prepare output for subrecords. */
837 _bfd_vms_output_push (abfd);
840 _bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1);
842 /* Data type, alignment. */
843 _bfd_vms_output_short (abfd, 0);
845 new_flags = 0;
847 if (old_flags & BSF_WEAK)
848 new_flags |= EGSY_S_V_WEAK;
849 if (bfd_is_com_section (symbol->section))
850 new_flags |= (EGSY_S_V_WEAK | EGSY_S_V_COMM);
852 if (old_flags & BSF_FUNCTION)
854 new_flags |= EGSY_S_V_NORM;
855 new_flags |= EGSY_S_V_REL;
857 if (old_flags & (BSF_GLOBAL | BSF_WEAK))
859 new_flags |= EGSY_S_V_DEF;
860 if (!bfd_is_abs_section (symbol->section))
861 new_flags |= EGSY_S_V_REL;
863 _bfd_vms_output_short (abfd, new_flags);
865 if (old_flags & (BSF_GLOBAL | BSF_WEAK))
867 /* Symbol definition. */
868 uquad code_address = 0;
869 unsigned long ca_psindx = 0;
870 unsigned long psindx;
872 if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL)
874 code_address = ((asymbol *) (symbol->udata.p))->value;
875 ca_psindx = ((asymbol *) (symbol->udata.p))->section->index;
877 psindx = symbol->section->index;
879 _bfd_vms_output_quad (abfd, symbol->value);
880 _bfd_vms_output_quad (abfd, code_address);
881 _bfd_vms_output_long (abfd, ca_psindx);
882 _bfd_vms_output_long (abfd, psindx);
884 hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ);
885 _bfd_vms_output_counted (abfd, hash);
887 _bfd_vms_output_flush (abfd);
891 _bfd_vms_output_alignment (abfd, 8);
892 _bfd_vms_output_pop (abfd);
893 _bfd_vms_output_end (abfd);
895 return 0;