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, 2009 Free Software Foundation, Inc.
6 GSD record handling functions
7 EGSD record handling functions
9 Go and read the openVMS linker manual (esp. appendix B)
10 if you don't know what's going on here :-)
12 Written by Klaus K"ampf (kkaempf@rmi.de)
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.
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.
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. */
36 /* Typical sections for vax object files. */
38 #define VAX_CODE_NAME "$CODE"
39 #define VAX_DATA_NAME "$DATA"
40 #define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA"
42 /* Typical sections for evax object files. */
44 #define EVAX_ABS_NAME "$ABS$"
45 #define EVAX_CODE_NAME "$CODE$"
46 #define EVAX_LINK_NAME "$LINK$"
47 #define EVAX_DATA_NAME "$DATA$"
48 #define EVAX_BSS_NAME "$BSS$"
49 #define EVAX_READONLYADDR_NAME "$READONLY_ADDR$"
50 #define EVAX_READONLY_NAME "$READONLY$"
51 #define EVAX_LITERAL_NAME "$LITERAL$"
52 #define EVAX_LITERALS_NAME "$LITERALS"
53 #define EVAX_COMMON_NAME "$COMMON$"
54 #define EVAX_LOCAL_NAME "$LOCAL$"
56 struct sec_flags_struct
58 char *name; /* Name of section. */
60 flagword flags_always; /* Flags we set always. */
62 flagword flags_hassize; /* Flags we set if the section has a size > 0. */
65 /* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible. */
67 static struct sec_flags_struct vax_section_flags[] =
70 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
72 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
73 (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
75 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
77 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
78 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
79 { VAX_ADDRESS_DATA_NAME,
80 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
81 (SEC_DATA | SEC_READONLY),
82 (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
83 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
85 (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
87 (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
88 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
91 /* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible. */
93 static struct sec_flags_struct evax_section_flags[] =
99 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
101 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
103 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
104 (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
106 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
107 (SEC_DATA | SEC_READONLY),
108 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
109 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
111 (EGPS_S_V_REL | EGPS_S_V_RD),
112 (SEC_DATA | SEC_READONLY),
113 (EGPS_S_V_REL | EGPS_S_V_RD),
114 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
116 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
118 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
119 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
121 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
123 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
124 (SEC_IN_MEMORY | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
125 { EVAX_READONLYADDR_NAME,
126 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
127 (SEC_DATA | SEC_READONLY),
128 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
129 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
130 { EVAX_READONLY_NAME,
131 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
132 (SEC_DATA | SEC_READONLY),
133 (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
134 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
136 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
138 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
139 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
140 { EVAX_LITERALS_NAME,
141 (EGPS_S_V_PIC | EGPS_S_V_OVR),
142 (SEC_DATA | SEC_READONLY),
143 (EGPS_S_V_PIC | EGPS_S_V_OVR),
144 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
146 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
148 (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
149 (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
152 /* Retrieve bfd section flags by name and size. */
155 vms_secflag_by_name (bfd *abfd,
156 struct sec_flags_struct *section_flags,
162 while (section_flags[i].name != NULL)
165 strcasecmp (name, section_flags[i].name):
166 strcmp (name, section_flags[i].name)) == 0)
169 return section_flags[i].flags_hassize;
171 return section_flags[i].flags_always;
176 return section_flags[i].flags_hassize;
177 return section_flags[i].flags_always;
180 /* Retrieve vms section flags by name and size. */
183 vms_esecflag_by_name (struct sec_flags_struct *section_flags,
189 while (section_flags[i].name != NULL)
191 if (strcmp (name, section_flags[i].name) == 0)
194 return section_flags[i].vflags_hassize;
196 return section_flags[i].vflags_always;
201 return section_flags[i].vflags_hassize;
202 return section_flags[i].vflags_always;
207 struct flagdescstruct { char *name; flagword value; };
209 static const struct flagdescstruct gpsflagdesc[] =
211 { "PIC", GPS_S_M_PIC },
212 { "LIB", GPS_S_M_LIB },
213 { "OVR", GPS_S_M_OVR },
214 { "REL", GPS_S_M_REL },
215 { "GBL", GPS_S_M_GBL },
216 { "SHR", GPS_S_M_SHR },
217 { "EXE", GPS_S_M_EXE },
218 { "RD", GPS_S_M_RD },
219 { "WRT", GPS_S_M_WRT },
220 { "VEC", GPS_S_M_VEC },
221 { "NOMOD", EGPS_S_V_NOMOD },
222 { "COM", EGPS_S_V_COM },
226 static const struct flagdescstruct gsyflagdesc[] =
228 { "WEAK", GSY_S_M_WEAK },
229 { "DEF", GSY_S_M_DEF },
230 { "UNI", GSY_S_M_UNI },
231 { "REL", GSY_S_M_REL },
232 { "COMM", EGSY_S_V_COMM },
233 { "VECEP", EGSY_S_V_VECEP },
234 { "NORM", EGCY_S_V_NORM },
238 static char *flag2str (struct flagdescstruct *, flagword);
240 /* Convert flag to printable string. */
243 flag2str (struct flagdescstruct * flagdesc, flagword flags)
249 while (flagdesc->name != NULL)
251 if ((flags & flagdesc->value) != 0)
257 strcat (res, flagdesc->name);
265 /* Input routines. */
267 static int register_universal_symbol (bfd *abfd, asymbol *symbol,
270 /* Process GSD/EGSD record
271 return 0 on success, -1 on error. */
274 _bfd_vms_slurp_gsd (bfd * abfd, int objtype)
276 int gsd_type, gsd_size;
278 unsigned char *vms_rec;
279 flagword new_flags, old_flags;
282 vms_symbol_entry *entry;
283 unsigned long base_addr;
284 unsigned long align_addr;
285 static unsigned int psect_idx = 0;
288 vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
294 PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */
295 PRIV (rec_size) -= 8;
299 PRIV (rec_size) -= 1;
305 /* Calculate base address for each section. */
310 while (PRIV (rec_size) > 0)
312 vms_rec = PRIV (vms_rec);
314 if (objtype == OBJ_S_C_GSD)
315 gsd_type = vms_rec[0];
318 _bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size);
319 gsd_type += EVAX_OFFSET;
323 vms_debug (3, "gsd_type %d\n", gsd_type);
330 /* Program section definition. */
331 asection *old_section = 0;
334 vms_debug (4, "GSD_S_C_PSC\n");
336 /* If this section isn't a bfd section. */
337 if (PRIV (is_vax) && (psect_idx < (abfd->section_count - 1)))
339 /* Check for temporary section from TIR record. */
340 if (psect_idx < PRIV (section_count))
341 old_section = PRIV (sections)[psect_idx];
346 name = _bfd_vms_save_counted_string (vms_rec + 8);
347 section = bfd_make_section (abfd, name);
350 (*_bfd_error_handler) (_("bfd_make_section (%s) failed"),
354 old_flags = bfd_getl16 (vms_rec + 2);
355 section->size = bfd_getl32 (vms_rec + 4); /* allocation */
356 new_flags = vms_secflag_by_name (abfd, vax_section_flags, name,
358 if (old_flags & EGPS_S_V_REL)
359 new_flags |= SEC_RELOC;
360 if (old_flags & GPS_S_M_OVR)
361 new_flags |= SEC_IS_COMMON;
362 if (!bfd_set_section_flags (abfd, section, new_flags))
364 (*_bfd_error_handler)
365 (_("bfd_set_section_flags (%s, %x) failed"),
369 section->alignment_power = vms_rec[1];
370 align_addr = (1 << section->alignment_power);
371 if ((base_addr % align_addr) != 0)
372 base_addr += (align_addr - (base_addr % align_addr));
373 section->vma = (bfd_vma)base_addr;
374 base_addr += section->size;
376 /* Global section is common symbol. */
377 if (old_flags & GPS_S_M_GBL)
379 entry = _bfd_vms_enter_symbol (abfd, name);
382 bfd_set_error (bfd_error_no_memory);
385 symbol = entry->symbol;
388 symbol->section = section;
389 symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON);
392 /* Copy saved contents if old_section set. */
393 if (old_section != 0)
395 section->contents = old_section->contents;
396 if (section->size < old_section->size)
398 (*_bfd_error_handler)
399 (_("Size mismatch section %s=%lx, %s=%lx"),
401 (unsigned long) old_section->size,
403 (unsigned long) section->size);
406 else if (section->size > old_section->size)
408 section->contents = bfd_realloc (old_section->contents,
410 if (section->contents == NULL)
412 bfd_set_error (bfd_error_no_memory);
419 section->contents = bfd_zmalloc (section->size);
420 if (section->contents == NULL)
422 bfd_set_error (bfd_error_no_memory);
427 vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
428 section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
429 vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
430 section->size, section->vma, section->contents);
433 gsd_size = vms_rec[8] + 9;
442 vms_debug (4, "gsd epm\n");
448 int name_offset = 0, value_offset = 0;
450 /* Symbol specification (definition or reference). */
452 vms_debug (4, "GSD_S_C_SYM(W)\n");
454 old_flags = bfd_getl16 (vms_rec + 2);
455 new_flags = BSF_NO_FLAGS;
457 if (old_flags & GSY_S_M_WEAK)
458 new_flags |= BSF_WEAK;
465 new_flags |= BSF_FUNCTION;
470 new_flags |= BSF_FUNCTION;
473 if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
480 if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
488 /* Save symbol in vms_symbol_table. */
489 entry = _bfd_vms_enter_symbol
490 (abfd, _bfd_vms_save_counted_string (vms_rec + name_offset));
493 bfd_set_error (bfd_error_no_memory);
496 symbol = entry->symbol;
498 if (old_flags & GSY_S_M_DEF)
500 /* Symbol definition. */
503 symbol->value = bfd_getl32 (vms_rec + value_offset);
504 if ((gsd_type == GSD_S_C_SYMW)
505 || (gsd_type == GSD_S_C_EPMW))
506 psect = bfd_getl16 (vms_rec + value_offset - 2);
508 psect = vms_rec[value_offset-1];
510 symbol->section = (asection *)(unsigned long)psect;
512 vms_debug (4, "gsd sym def #%d (%s, %ld, %04x=%s)\n", abfd->symcount,
513 symbol->name, (long)symbol->section, old_flags, flag2str(gsyflagdesc, old_flags));
518 /* Symbol reference. */
520 vms_debug (4, "gsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
521 symbol->name, old_flags, flag2str (gsyflagdesc, old_flags));
523 symbol->section = (asection *)(unsigned long)-1;
526 gsd_size = vms_rec[name_offset] + name_offset + 1;
527 symbol->flags = new_flags;
535 vms_debug (4, "gsd pro\n");
540 vms_debug (4, "gsd idc\n");
545 vms_debug (4, "gsd env\n");
550 vms_debug (4, "gsd lsy\n");
555 vms_debug (4, "gsd lepm\n");
560 vms_debug (4, "gsd lpro\n");
565 vms_debug (4, "gsd spsc\n");
570 vms_debug (4, "gsd symv\n");
575 vms_debug (4, "gsd epmv\n");
580 vms_debug (4, "gsd prov\n");
584 case EGSD_S_C_PSC + EVAX_OFFSET:
586 /* Program section definition. */
587 name = _bfd_vms_save_counted_string (vms_rec + EGPS_S_B_NAMLNG);
588 section = bfd_make_section (abfd, name);
591 old_flags = bfd_getl16 (vms_rec + EGPS_S_W_FLAGS);
592 section->size = bfd_getl32 (vms_rec + EGPS_S_L_ALLOC);
593 new_flags = vms_secflag_by_name (abfd, evax_section_flags, name,
595 if (old_flags & EGPS_S_V_REL)
596 new_flags |= SEC_RELOC;
597 if (!bfd_set_section_flags (abfd, section, new_flags))
599 section->alignment_power = vms_rec[EGPS_S_B_ALIGN];
600 align_addr = (1 << section->alignment_power);
601 if ((base_addr % align_addr) != 0)
602 base_addr += (align_addr - (base_addr % align_addr));
603 section->vma = (bfd_vma)base_addr;
604 base_addr += section->size;
605 section->contents = bfd_zmalloc (section->size);
606 if (section->contents == NULL)
608 section->filepos = (unsigned int)-1;
610 vms_debug (4, "EGSD P-section %d (%s, flags %04x=%s) ",
611 section->index, name, old_flags, flag2str(gpsflagdesc, old_flags));
612 vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
613 section->size, section->vma, section->contents);
618 case EGSD_S_C_SYM + EVAX_OFFSET:
620 /* Global symbol specification (definition or reference). */
621 symbol = bfd_make_empty_symbol (abfd);
625 old_flags = bfd_getl16 (vms_rec + EGSY_S_W_FLAGS);
626 new_flags = BSF_NO_FLAGS;
628 if (old_flags & EGSY_S_V_WEAK)
629 new_flags |= BSF_WEAK;
631 if (old_flags & EGSY_S_V_DEF)
633 /* Symbol definition. */
634 if (old_flags & EGSY_S_V_NORM)
635 new_flags |= BSF_FUNCTION;
637 _bfd_vms_save_counted_string (vms_rec + ESDF_S_B_NAMLNG);
638 symbol->value = bfd_getl64 (vms_rec + ESDF_S_L_VALUE);
640 (asection *)(unsigned long) bfd_getl32 (vms_rec + ESDF_S_L_PSINDX);
642 vms_debug (4, "EGSD sym def #%d (%s, %ld, %04x=%s)\n",
643 abfd->symcount, symbol->name, (long)symbol->section,
644 old_flags, flag2str (gsyflagdesc, old_flags));
649 /* Symbol reference. */
651 _bfd_vms_save_counted_string (vms_rec + ESRF_S_B_NAMLNG);
653 vms_debug (4, "EGSD sym ref #%d (%s, %04x=%s)\n",
654 abfd->symcount, symbol->name, old_flags,
655 flag2str (gsyflagdesc, old_flags));
657 symbol->section = (asection *)(unsigned long)-1;
660 symbol->flags = new_flags;
662 /* Register symbol in VMS symbol table. */
663 entry = (vms_symbol_entry *) bfd_hash_lookup
664 (PRIV (vms_symbol_table), symbol->name, TRUE, FALSE);
668 bfd_set_error (bfd_error_no_memory);
672 if (entry->symbol != NULL)
674 /* FIXME ?, DEC C generates this. */
676 vms_debug (4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name);
681 entry->symbol = symbol;
682 PRIV (gsd_sym_count)++;
688 case EGSD_S_C_SYMG + EVAX_OFFSET:
690 /* Universal symbol specification (definition). */
691 symbol = bfd_make_empty_symbol (abfd);
695 old_flags = bfd_getl16 (vms_rec + EGST_S_W_FLAGS);
696 new_flags = BSF_NO_FLAGS;
698 if (old_flags & EGSY_S_V_WEAK)
699 new_flags |= BSF_WEAK;
701 if (old_flags & EGSY_S_V_DEF) /* symbol definition */
703 if (old_flags & EGSY_S_V_NORM)
704 new_flags |= BSF_FUNCTION;
707 _bfd_vms_save_counted_string (vms_rec + EGST_S_B_NAMLNG);
709 /* For BSF_FUNCTION symbols, the entry point is in LP_1
710 and the descriptor in LP_2. For other symbols, the
711 unique value is in LP_2. */
712 symbol->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_2);
714 /* Adding this offset is necessary in order for GDB to
715 read the DWARF-2 debug info from shared libraries. */
716 if (abfd->flags & DYNAMIC
717 && strstr (symbol->name, "$DWARF2.DEBUG") != 0)
718 symbol->value += PRIV (symvva);
720 else /* symbol reference */
721 (*_bfd_error_handler) ("Invalid EGST reference");
723 symbol->flags = new_flags;
725 if (register_universal_symbol (abfd, symbol, old_flags) < 0)
728 /* Make a second symbol for the entry point. */
729 if (symbol->flags & BSF_FUNCTION)
732 char *name = bfd_alloc (abfd, strlen (symbol->name) + 5);
734 en_sym = bfd_make_empty_symbol (abfd);
738 strcpy (name, symbol->name);
739 strcat (name, "..en");
742 en_sym->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_1);
744 if (register_universal_symbol (abfd, en_sym, old_flags) < 0)
750 case EGSD_S_C_IDC + EVAX_OFFSET:
754 (*_bfd_error_handler) (_("Unknown GSD/EGSD subtype %d"), gsd_type);
755 bfd_set_error (bfd_error_bad_value);
759 PRIV (rec_size) -= gsd_size;
760 PRIV (vms_rec) += gsd_size;
763 if (abfd->symcount > 0)
764 abfd->flags |= HAS_SYMS;
769 /* Register a universal symbol in the VMS symbol table. */
772 register_universal_symbol (bfd *abfd, asymbol *symbol, int vms_flags)
775 asection *s, *sec = NULL;
776 vms_symbol_entry *entry;
778 /* A universal symbol is by definition global... */
779 symbol->flags |= BSF_GLOBAL;
781 /* ...and dynamic in shared libraries. */
782 if (abfd->flags & DYNAMIC)
783 symbol->flags |= BSF_DYNAMIC;
785 /* Find containing section. */
786 for (s = abfd->sections; s; s = s->next)
788 if (symbol->value >= s->vma
790 && !(s->flags & SEC_COFF_SHARED_LIBRARY)
791 && (s->size > 0 || !(vms_flags & EGSY_S_V_REL)))
798 symbol->value -= sbase;
799 symbol->section = sec;
802 vms_debug (4, "EGST sym def #%d (%s, 0x%llx => 0x%llx, %04x=%s)\n",
803 abfd->symcount, symbol->name, symbol->value + sbase,
804 symbol->value, vms_flags,
805 flag2str(gsyflagdesc, vms_flags));
808 entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
814 bfd_set_error (bfd_error_no_memory);
818 if (entry->symbol) /* FIXME: DEC C generates this */
821 vms_debug (4, "EGSD_S_C_SYMG: duplicate \"%s\"\n", symbol->name);
826 entry->symbol = symbol;
827 PRIV (gsd_sym_count)++;
834 /* Set section VMS flags. */
837 bfd_vms_set_section_flags (bfd *abfd ATTRIBUTE_UNUSED,
838 asection *sec, flagword flags)
840 vms_section_data (sec)->vflags = flags;
843 /* Write section and symbol directory of bfd abfd. */
846 _bfd_vms_write_gsd (bfd *abfd, int objtype ATTRIBUTE_UNUSED)
854 flagword new_flags, old_flags;
855 int abs_section_index = 0;
858 vms_debug (2, "vms_write_gsd (%p, %d)\n", abfd, objtype);
861 /* Output sections. */
862 section = abfd->sections;
864 vms_debug (3, "%d sections found\n", abfd->section_count);
867 /* Egsd is quadword aligned. */
868 _bfd_vms_output_alignment (abfd, 8);
870 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
871 _bfd_vms_output_long (abfd, 0);
872 /* Prepare output for subrecords. */
873 _bfd_vms_output_push (abfd);
878 vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->size);
881 /* Don't write out the VMS debug info section since it is in the
882 ETBT and EDBG sections in etir. */
883 if (!strcmp (section->name, ".vmsdebug"))
886 /* 13 bytes egsd, max 31 chars name -> should be 44 bytes. */
887 if (_bfd_vms_output_check (abfd, 64) < 0)
889 _bfd_vms_output_pop (abfd);
890 _bfd_vms_output_end (abfd);
891 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
892 _bfd_vms_output_long (abfd, 0);
893 /* Prepare output for subrecords. */
894 _bfd_vms_output_push (abfd);
897 /* Create dummy sections to keep consecutive indices. */
898 while (section->index - last_index > 1)
901 vms_debug (3, "index %d, last %d\n", section->index, last_index);
903 _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
904 _bfd_vms_output_short (abfd, 0);
905 _bfd_vms_output_short (abfd, 0);
906 _bfd_vms_output_long (abfd, 0);
907 sprintf (dummy_name, ".DUMMY%02d", last_index);
908 _bfd_vms_output_counted (abfd, dummy_name);
909 _bfd_vms_output_flush (abfd);
913 /* Don't know if this is necessary for the linker but for now it keeps
914 vms_slurp_gsd happy */
915 sname = (char *)section->name;
919 if ((*sname == 't') && (strcmp (sname, "text") == 0))
920 sname = PRIV (is_vax)?VAX_CODE_NAME:EVAX_CODE_NAME;
921 else if ((*sname == 'd') && (strcmp (sname, "data") == 0))
922 sname = PRIV (is_vax)?VAX_DATA_NAME:EVAX_DATA_NAME;
923 else if ((*sname == 'b') && (strcmp (sname, "bss") == 0))
924 sname = EVAX_BSS_NAME;
925 else if ((*sname == 'l') && (strcmp (sname, "link") == 0))
926 sname = EVAX_LINK_NAME;
927 else if ((*sname == 'r') && (strcmp (sname, "rdata") == 0))
928 sname = EVAX_READONLY_NAME;
929 else if ((*sname == 'l') && (strcmp (sname, "literal") == 0))
930 sname = EVAX_LITERAL_NAME;
931 else if ((*sname == 'l') && (strcmp (sname, "literals") == 0))
933 sname = EVAX_LITERALS_NAME;
934 abs_section_index = section->index;
936 else if ((*sname == 'c') && (strcmp (sname, "comm") == 0))
937 sname = EVAX_COMMON_NAME;
938 else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0))
939 sname = EVAX_LOCAL_NAME;
942 sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ_S_C_SECSIZ);
944 _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
945 _bfd_vms_output_short (abfd, section->alignment_power & 0xff);
947 if (bfd_is_com_section (section))
948 new_flags = (EGPS_S_V_OVR | EGPS_S_V_REL | EGPS_S_V_GBL | EGPS_S_V_RD
949 | EGPS_S_V_WRT | EGPS_S_V_NOMOD | EGPS_S_V_COM);
951 new_flags = vms_esecflag_by_name (evax_section_flags, sname,
954 /* Modify them as directed. */
955 if (section->flags & SEC_READONLY)
956 new_flags &= ~EGPS_S_V_WRT;
958 new_flags |= vms_section_data (section)->vflags & 0xffff;
960 ~((vms_section_data (section)->vflags >> EGPS_S_V_NO_SHIFT) & 0xffff);
963 vms_debug (3, "sec flags %x\n", section->flags);
964 vms_debug (3, "new_flags %x, _raw_size %d\n", new_flags, section->size);
967 _bfd_vms_output_short (abfd, new_flags);
968 _bfd_vms_output_long (abfd, (unsigned long) section->size);
969 _bfd_vms_output_counted (abfd, sname);
970 _bfd_vms_output_flush (abfd);
972 last_index = section->index;
974 section = section->next;
977 /* Output symbols. */
979 vms_debug (3, "%d symbols found\n", abfd->symcount);
982 bfd_set_start_address (abfd, (bfd_vma) -1);
984 for (symnum = 0; symnum < abfd->symcount; symnum++)
988 symbol = abfd->outsymbols[symnum];
989 if (*(symbol->name) == '_')
991 if (strcmp (symbol->name, "__main") == 0)
992 bfd_set_start_address (abfd, (bfd_vma)symbol->value);
994 old_flags = symbol->flags;
996 if (old_flags & BSF_FILE)
999 if ((old_flags & BSF_GLOBAL) == 0 /* Not xdef... */
1000 && !bfd_is_und_section (symbol->section) /* and not xref... */
1001 && !((old_flags & BSF_SECTION_SYM) != 0 /* and not LIB$INITIALIZE. */
1002 && strcmp (symbol->section->name, "LIB$INITIALIZE") == 0))
1005 /* 13 bytes egsd, max 64 chars name -> should be 77 bytes. */
1006 if (_bfd_vms_output_check (abfd, 80) < 0)
1008 _bfd_vms_output_pop (abfd);
1009 _bfd_vms_output_end (abfd);
1010 _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
1011 _bfd_vms_output_long (abfd, 0);
1012 /* Prepare output for subrecords. */
1013 _bfd_vms_output_push (abfd);
1016 _bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1);
1018 /* Data type, alignment. */
1019 _bfd_vms_output_short (abfd, 0);
1023 if (old_flags & BSF_WEAK)
1024 new_flags |= EGSY_S_V_WEAK;
1025 if (bfd_is_com_section (symbol->section)) /* .comm */
1026 new_flags |= (EGSY_S_V_WEAK | EGSY_S_V_COMM);
1028 if (old_flags & BSF_FUNCTION)
1030 new_flags |= EGSY_S_V_NORM;
1031 new_flags |= EGSY_S_V_REL;
1033 if (old_flags & BSF_GLOBAL)
1035 new_flags |= EGSY_S_V_DEF;
1036 if (!bfd_is_abs_section (symbol->section))
1037 new_flags |= EGSY_S_V_REL;
1039 _bfd_vms_output_short (abfd, new_flags);
1041 if (old_flags & BSF_GLOBAL)
1043 /* Symbol definition. */
1044 uquad code_address = 0;
1045 unsigned long ca_psindx = 0;
1046 unsigned long psindx;
1048 if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL)
1052 if (bfd_get_flavour (abfd) == bfd_target_evax_flavour)
1053 sym = ((struct evax_private_udata_struct *)symbol->udata.p)->enbsym;
1055 sym = (asymbol *)symbol->udata.p;
1056 code_address = sym->value;
1057 ca_psindx = sym->section->index;
1059 if (bfd_is_abs_section (symbol->section))
1060 psindx = abs_section_index;
1062 psindx = symbol->section->index;
1064 _bfd_vms_output_quad (abfd, symbol->value);
1065 _bfd_vms_output_quad (abfd, code_address);
1066 _bfd_vms_output_long (abfd, ca_psindx);
1067 _bfd_vms_output_long (abfd, psindx);
1069 hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ);
1070 _bfd_vms_output_counted (abfd, hash);
1072 _bfd_vms_output_flush (abfd);
1076 _bfd_vms_output_alignment (abfd, 8);
1077 _bfd_vms_output_pop (abfd);
1078 _bfd_vms_output_end (abfd);