aboutsummaryrefslogtreecommitdiff
path: root/bfd/vms-gsd.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/vms-gsd.c')
-rw-r--r--bfd/vms-gsd.c920
1 files changed, 920 insertions, 0 deletions
diff --git a/bfd/vms-gsd.c b/bfd/vms-gsd.c
new file mode 100644
index 0000000..6a52462
--- /dev/null
+++ b/bfd/vms-gsd.c
@@ -0,0 +1,920 @@
+/* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and
+ EVAX (openVMS/Alpha) files.
+ Copyright 1996, 1997, 1998 Free Software Foundation Inc.
+
+ go and read the openVMS linker manual (esp. appendix B)
+ if you don't know what's going on here :-)
+
+ Written by Klaus K"ampf (kkaempf@rmi.de)
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include <ctype.h>
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "libbfd.h"
+
+#include "vms.h"
+
+/*-----------------------------------------------------------------------------*/
+
+/* typical sections for vax object files */
+
+#define VAX_CODE_NAME "$CODE"
+#define VAX_DATA_NAME "$DATA"
+#define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA"
+
+/* typical sections for evax object files */
+
+#define EVAX_ABS_NAME "$ABS$"
+#define EVAX_CODE_NAME "$CODE$"
+#define EVAX_LINK_NAME "$LINK$"
+#define EVAX_DATA_NAME "$DATA$"
+#define EVAX_BSS_NAME "$BSS$"
+#define EVAX_READONLYADDR_NAME "$READONLY_ADDR$"
+#define EVAX_READONLY_NAME "$READONLY$"
+#define EVAX_LITERAL_NAME "$LITERAL$"
+#define EVAX_COMMON_NAME "$COMMON$"
+#define EVAX_LOCAL_NAME "$LOCAL$"
+
+struct sec_flags_struct {
+ char *name; /* name of section */
+ int vflags_always;
+ flagword flags_always; /* flags we set always */
+ int vflags_hassize;
+ flagword flags_hassize; /* flags we set if the section has a size > 0 */
+};
+
+/* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible */
+
+static struct sec_flags_struct vax_section_flags[] = {
+ { VAX_CODE_NAME,
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_SHR|GPS_S_M_EXE|GPS_S_M_RD),
+ (SEC_CODE),
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_SHR|GPS_S_M_EXE|GPS_S_M_RD),
+ (SEC_IN_MEMORY|SEC_CODE|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { VAX_DATA_NAME,
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_RD|GPS_S_M_WRT),
+ (SEC_DATA),
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_RD|GPS_S_M_WRT),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { VAX_ADDRESS_DATA_NAME,
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_RD),
+ (SEC_DATA|SEC_READONLY),
+ (GPS_S_M_PIC|GPS_S_M_REL|GPS_S_M_RD),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_READONLY|SEC_LOAD) },
+ { NULL,
+ (GPS_S_M_PIC|GPS_S_M_OVR|GPS_S_M_REL|GPS_S_M_GBL|GPS_S_M_RD|GPS_S_M_WRT),
+ (SEC_DATA),
+ (GPS_S_M_PIC|GPS_S_M_OVR|GPS_S_M_REL|GPS_S_M_GBL|GPS_S_M_RD|GPS_S_M_WRT),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) }
+};
+
+
+/* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible */
+
+static struct sec_flags_struct evax_section_flags[] = {
+ { EVAX_ABS_NAME,
+ (EGPS_S_V_SHR),
+ (SEC_DATA),
+ (EGPS_S_V_SHR),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { EVAX_CODE_NAME,
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_EXE),
+ (SEC_CODE),
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_EXE),
+ (SEC_IN_MEMORY|SEC_CODE|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { EVAX_LITERAL_NAME,
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_RD|EGPS_S_V_NOMOD),
+ (SEC_DATA|SEC_READONLY),
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_RD),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_READONLY|SEC_LOAD) },
+ { EVAX_LINK_NAME,
+ (EGPS_S_V_REL|EGPS_S_V_RD),
+ (SEC_DATA|SEC_READONLY),
+ (EGPS_S_V_REL|EGPS_S_V_RD),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_READONLY|SEC_LOAD) },
+ { EVAX_DATA_NAME,
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT|EGPS_S_V_NOMOD),
+ (SEC_DATA),
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { EVAX_BSS_NAME,
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT|EGPS_S_V_NOMOD),
+ (SEC_NO_FLAGS),
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT|EGPS_S_V_NOMOD),
+ (SEC_IN_MEMORY|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { EVAX_READONLYADDR_NAME,
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_RD),
+ (SEC_DATA|SEC_READONLY),
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_RD),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_READONLY|SEC_LOAD) },
+ { EVAX_READONLY_NAME,
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_RD|EGPS_S_V_NOMOD),
+ (SEC_DATA|SEC_READONLY),
+ (EGPS_S_V_PIC|EGPS_S_V_REL|EGPS_S_V_SHR|EGPS_S_V_RD),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_READONLY|SEC_LOAD) },
+ { EVAX_LOCAL_NAME,
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT),
+ (SEC_DATA),
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) },
+ { NULL,
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT),
+ (SEC_DATA),
+ (EGPS_S_V_REL|EGPS_S_V_RD|EGPS_S_V_WRT),
+ (SEC_IN_MEMORY|SEC_DATA|SEC_HAS_CONTENTS|SEC_ALLOC|SEC_LOAD) }
+};
+
+/* Retrieve bfd section flags by name and size */
+
+static flagword
+vms_secflag_by_name (abfd, section_flags, name, size)
+ bfd *abfd;
+ struct sec_flags_struct *section_flags;
+ char *name;
+ int size;
+{
+ int i = 0;
+
+ while (section_flags[i].name != NULL)
+ {
+ if ((PRIV(is_vax)?
+ strcasecmp (name, section_flags[i].name):
+ strcmp (name, section_flags[i].name)) == 0)
+ {
+ if (size > 0)
+ return section_flags[i].flags_hassize;
+ else
+ return section_flags[i].flags_always;
+ }
+ i++;
+ }
+ if (size > 0)
+ return section_flags[i].flags_hassize;
+ return section_flags[i].flags_always;
+}
+
+
+/* Retrieve vms section flags by name and size */
+
+static flagword
+vms_esecflag_by_name (section_flags, name, size)
+ struct sec_flags_struct *section_flags;
+ char *name;
+ int size;
+{
+ int i = 0;
+
+ while (section_flags[i].name != NULL)
+ {
+ if (strcmp (name, section_flags[i].name) == 0)
+ {
+ if (size > 0)
+ return section_flags[i].vflags_hassize;
+ else
+ return section_flags[i].vflags_always;
+ }
+ i++;
+ }
+ if (size > 0)
+ return section_flags[i].vflags_hassize;
+ return section_flags[i].vflags_always;
+}
+
+/*-----------------------------------------------------------------------------*/
+#if VMS_DEBUG
+/* debug */
+
+struct flagdescstruct { char *name; flagword value; };
+
+/* Convert flag to printable string */
+
+static char *
+flag2str(flagdesc, flags)
+ struct flagdescstruct *flagdesc;
+ flagword flags;
+{
+
+ static char res[64];
+ int next = 0;
+
+ res[0] = 0;
+ while (flagdesc->name != NULL)
+ {
+ if ((flags & flagdesc->value) != 0)
+ {
+ if (next)
+ strcat(res, ",");
+ else
+ next = 1;
+ strcat (res, flagdesc->name);
+ }
+ flagdesc++;
+ }
+ return res;
+}
+#endif
+
+/*-----------------------------------------------------------------------------*/
+/* input routines */
+
+/* Process GSD/EGSD record
+ return 0 on success, -1 on error */
+
+int
+_bfd_vms_slurp_gsd (abfd, objtype)
+ bfd *abfd;
+ int objtype;
+{
+#if VMS_DEBUG
+ static struct flagdescstruct gpsflagdesc[] =
+ {
+ { "PIC", 0x0001 },
+ { "LIB", 0x0002 },
+ { "OVR", 0x0004 },
+ { "REL", 0x0008 },
+ { "GBL", 0x0010 },
+ { "SHR", 0x0020 },
+ { "EXE", 0x0040 },
+ { "RD", 0x0080 },
+ { "WRT", 0x0100 },
+ { "VEC", 0x0200 },
+ { "NOMOD", 0x0400 },
+ { "COM", 0x0800 },
+ { NULL, 0 }
+ };
+
+ static struct flagdescstruct gsyflagdesc[] =
+ {
+ { "WEAK", 0x0001 },
+ { "DEF", 0x0002 },
+ { "UNI", 0x0004 },
+ { "REL", 0x0008 },
+ { "COMM", 0x0010 },
+ { "VECEP", 0x0020 },
+ { "NORM", 0x0040 },
+ { NULL, 0 }
+ };
+#endif
+
+ int gsd_type, gsd_size;
+ asection *section;
+ unsigned char *vms_rec;
+ flagword new_flags, old_flags;
+ char *name;
+ asymbol *symbol;
+ vms_symbol_entry *entry;
+ unsigned long base_addr;
+ unsigned long align_addr;
+ static int psect_idx = 0;
+
+#if VMS_DEBUG
+ vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
+#endif
+
+ switch (objtype)
+ {
+ case EOBJ_S_C_EGSD:
+ PRIV(vms_rec) += 8; /* skip type, size, l_temp */
+ PRIV(rec_size) -= 8;
+ break;
+ case OBJ_S_C_GSD:
+ PRIV(vms_rec) += 1;
+ PRIV(rec_size) -= 1;
+ break;
+ default:
+ return -1;
+ }
+
+ /* calculate base address for each section */
+ base_addr = 0L;
+
+ abfd->symcount = 0;
+
+ while (PRIV(rec_size) > 0)
+ {
+ vms_rec = PRIV(vms_rec);
+
+ if (objtype == OBJ_S_C_GSD)
+ {
+ gsd_type = *vms_rec;
+ }
+ else
+ {
+ _bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size);
+ gsd_type += EVAX_OFFSET;
+ }
+
+#if VMS_DEBUG
+ vms_debug (3, "gsd_type %d\n", gsd_type);
+#endif
+
+ switch (gsd_type)
+ {
+ case GSD_S_C_PSC:
+ {
+ /*
+ * program section definition
+ */
+
+ asection *old_section = 0;
+
+#if VMS_DEBUG
+ vms_debug (4, "GSD_S_C_PSC\n");
+#endif
+ /* If this section isn't a bfd section. */
+
+ if (PRIV(is_vax) && (psect_idx < (abfd->section_count-1)))
+ {
+ /* check for temporary section from TIR record. */
+
+ if (psect_idx < PRIV(section_count))
+ old_section = PRIV(sections)[psect_idx];
+ else
+ old_section = 0;
+ }
+
+ name = _bfd_vms_save_counted_string (vms_rec + 8);
+ section = bfd_make_section (abfd, name);
+ if (!section)
+ {
+ fprintf (stderr, "bfd_make_section (%s) failed\n", name);
+ return -1;
+ }
+ old_flags = bfd_getl16 (vms_rec + 2);
+ section->_raw_size = bfd_getl32(vms_rec + 4); /* allocation */
+ new_flags = vms_secflag_by_name (abfd, vax_section_flags, name, section->_raw_size);
+ if (old_flags & EGPS_S_V_REL)
+ new_flags |= SEC_RELOC;
+ if (old_flags & GPS_S_M_OVR)
+ new_flags |= SEC_IS_COMMON;
+ if (!bfd_set_section_flags (abfd, section, new_flags))
+ {
+ fprintf (stderr, "bfd_set_section_flags (%s, %x) failed\n", name, new_flags);
+ return -1;
+ }
+ section->alignment_power = vms_rec[1];
+ align_addr = (1 << section->alignment_power);
+ if ((base_addr % align_addr) != 0)
+ base_addr += (align_addr - (base_addr % align_addr));
+ section->vma = (bfd_vma)base_addr;
+ base_addr += section->_raw_size;
+
+ /* global section is common symbol */
+
+ if (old_flags & GPS_S_M_GBL)
+ {
+ entry = _bfd_vms_enter_symbol (abfd, name);
+ if (entry == (vms_symbol_entry *)NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return -1;
+ }
+ symbol = entry->symbol;
+
+ symbol->value = 0;
+ symbol->section = section;
+ symbol->flags = (BSF_GLOBAL|BSF_SECTION_SYM|BSF_OLD_COMMON);
+ }
+
+ /* copy saved contents if old_section set */
+
+ if (old_section != 0)
+ {
+ section->contents = old_section->contents;
+ if (section->_raw_size < old_section->_raw_size)
+ {
+ fprintf (stderr, "Size mismatch section %s=%d, %s=%d\n", old_section->name, old_section->_raw_size, section->name, section->_raw_size);
+ return -1;
+ }
+ else if (section->_raw_size > old_section->_raw_size)
+ {
+ section->contents = ((unsigned char *)
+ bfd_realloc (old_section->contents, section->_raw_size));
+ if (section->contents == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return -1;
+ }
+ }
+ }
+ else
+ {
+ section->contents = ((unsigned char *)
+ bfd_malloc (section->_raw_size));
+ if (section->contents == NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return -1;
+ }
+ memset (section->contents, 0, (size_t)section->_raw_size);
+ }
+ section->_cooked_size = section->_raw_size;
+#if VMS_DEBUG
+ vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
+ section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
+ vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
+ section->_raw_size, section->vma, section->contents);
+#endif
+
+ gsd_size = vms_rec[8] + 9;
+
+ psect_idx++;
+ }
+ break;
+
+ case GSD_S_C_EPM:
+ case GSD_S_C_EPMW:
+#if VMS_DEBUG
+ vms_debug(4, "gsd epm\n");
+#endif
+ /*FALLTHRU*/
+ case GSD_S_C_SYM:
+ case GSD_S_C_SYMW:
+ {
+ int name_offset, value_offset;
+
+ /*
+ * symbol specification (definition or reference)
+ */
+
+#if VMS_DEBUG
+ vms_debug (4, "GSD_S_C_SYM(W)\n");
+#endif
+ old_flags = bfd_getl16 (vms_rec + 2);
+ new_flags = BSF_NO_FLAGS;
+
+ if (old_flags & GSY_S_M_WEAK)
+ new_flags |= BSF_WEAK;
+
+ switch (gsd_type)
+ {
+ case GSD_S_C_EPM:
+ name_offset = 11;
+ value_offset = 5;
+ new_flags |= BSF_FUNCTION;
+ break;
+ case GSD_S_C_EPMW:
+ name_offset = 12;
+ value_offset = 6;
+ new_flags |= BSF_FUNCTION;
+ break;
+ case GSD_S_C_SYM:
+ if (old_flags & GSY_S_M_DEF) /* symbol definition */
+ name_offset = 9;
+ else
+ name_offset = 4;
+ value_offset = 5;
+ break;
+ case GSD_S_C_SYMW:
+ if (old_flags & GSY_S_M_DEF) /* symbol definition */
+ name_offset = 10;
+ else
+ name_offset = 5;
+ value_offset = 6;
+ break;
+ }
+
+ /* save symbol in vms_symbol_table */
+
+ entry = _bfd_vms_enter_symbol (abfd,
+ _bfd_vms_save_counted_string (vms_rec + name_offset));
+ if (entry == (vms_symbol_entry *)NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return -1;
+ }
+ symbol = entry->symbol;
+
+ if (old_flags & GSY_S_M_DEF) /* symbol definition */
+ {
+ int psect;
+
+ symbol->value = bfd_getl32 (vms_rec+value_offset);
+ if ((gsd_type == GSD_S_C_SYMW)
+ || (gsd_type == GSD_S_C_EPMW))
+ psect = bfd_getl16 (vms_rec + value_offset - 2);
+ else
+ psect = vms_rec[value_offset-1];
+
+ symbol->section = (asection *)psect;
+#if VMS_DEBUG
+ vms_debug(4, "gsd sym def #%d (%s, %d [%p], %04x=%s)\n", abfd->symcount,
+ symbol->name, (int)symbol->section, symbol->section, old_flags, flag2str(gsyflagdesc, old_flags));
+#endif
+ }
+ else /* symbol reference */
+ {
+ symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
+#if VMS_DEBUG
+ vms_debug (4, "gsd sym ref #%d (%s, %s [%p], %04x=%s)\n", abfd->symcount,
+ symbol->name, symbol->section->name, symbol->section, old_flags, flag2str (gsyflagdesc, old_flags));
+#endif
+ }
+
+ gsd_size = vms_rec[name_offset] + name_offset + 1;
+ symbol->flags = new_flags;
+ }
+
+ break;
+
+ case GSD_S_C_PRO:
+ case GSD_S_C_PROW:
+#if VMS_DEBUG
+ vms_debug(4, "gsd pro\n");
+#endif
+ break;
+ case GSD_S_C_IDC:
+#if VMS_DEBUG
+ vms_debug(4, "gsd idc\n");
+#endif
+ break;
+ case GSD_S_C_ENV:
+#if VMS_DEBUG
+ vms_debug(4, "gsd env\n");
+#endif
+ break;
+ case GSD_S_C_LSY:
+#if VMS_DEBUG
+ vms_debug(4, "gsd lsy\n");
+#endif
+ break;
+ case GSD_S_C_LEPM:
+#if VMS_DEBUG
+ vms_debug(4, "gsd lepm\n");
+#endif
+ break;
+ case GSD_S_C_LPRO:
+#if VMS_DEBUG
+ vms_debug(4, "gsd lpro\n");
+#endif
+ break;
+ case GSD_S_C_SPSC:
+#if VMS_DEBUG
+ vms_debug(4, "gsd spsc\n");
+#endif
+ break;
+ case GSD_S_C_SYMV:
+#if VMS_DEBUG
+ vms_debug(4, "gsd symv\n");
+#endif
+ break;
+ case GSD_S_C_EPMV:
+#if VMS_DEBUG
+ vms_debug(4, "gsd epmv\n");
+#endif
+ break;
+ case GSD_S_C_PROV:
+#if VMS_DEBUG
+ vms_debug(4, "gsd prov\n");
+#endif
+ break;
+
+ case EGSD_S_C_PSC + EVAX_OFFSET:
+ {
+ /* program section definition */
+
+ name = _bfd_vms_save_counted_string (vms_rec+12);
+ section = bfd_make_section (abfd, name);
+ if (!section)
+ return -1;
+ old_flags = bfd_getl16 (vms_rec + 6);
+ section->_raw_size = bfd_getl32 (vms_rec + 8); /* allocation */
+ new_flags = vms_secflag_by_name (abfd, evax_section_flags, name, (int) section->_raw_size);
+ if (old_flags & EGPS_S_V_REL)
+ new_flags |= SEC_RELOC;
+ if (!bfd_set_section_flags (abfd, section, new_flags))
+ return -1;
+ section->alignment_power = vms_rec[4];
+ align_addr = (1 << section->alignment_power);
+ if ((base_addr % align_addr) != 0)
+ base_addr += (align_addr - (base_addr % align_addr));
+ section->vma = (bfd_vma)base_addr;
+ base_addr += section->_raw_size;
+ section->contents = ((unsigned char *)
+ bfd_malloc (section->_raw_size));
+ if (section->contents == NULL)
+ return -1;
+ memset (section->contents, 0, (size_t) section->_raw_size);
+ section->_cooked_size = section->_raw_size;
+#if VMS_DEBUG
+ vms_debug(4, "egsd psc %d (%s, flags %04x=%s) ",
+ section->index, name, old_flags, flag2str(gpsflagdesc, old_flags));
+ vms_debug(4, "%d bytes at 0x%08lx (mem %p)\n",
+ section->_raw_size, section->vma, section->contents);
+#endif
+ }
+ break;
+
+ case EGSD_S_C_SYM + EVAX_OFFSET:
+ {
+ /* symbol specification (definition or reference) */
+
+ symbol = _bfd_vms_make_empty_symbol (abfd);
+ if (symbol == 0)
+ return -1;
+
+ old_flags = bfd_getl16 (vms_rec + 6);
+ new_flags = BSF_NO_FLAGS;
+
+ if (old_flags & EGSY_S_V_WEAK)
+ new_flags |= BSF_WEAK;
+
+ if (vms_rec[6] & EGSY_S_V_DEF) /* symbol definition */
+ {
+ symbol->name =
+ _bfd_vms_save_counted_string (vms_rec+32);
+ if (old_flags & EGSY_S_V_NORM)
+ { /* proc def */
+ new_flags |= BSF_FUNCTION;
+ }
+ symbol->value = bfd_getl64 (vms_rec+8);
+ symbol->section = (asection *)((unsigned long) bfd_getl32 (vms_rec+28));
+#if VMS_DEBUG
+ vms_debug(4, "egsd sym def #%d (%s, %d, %04x=%s)\n", abfd->symcount,
+ symbol->name, (int)symbol->section, old_flags, flag2str(gsyflagdesc, old_flags));
+#endif
+ }
+ else /* symbol reference */
+ {
+ symbol->name =
+ _bfd_vms_save_counted_string (vms_rec+8);
+#if VMS_DEBUG
+ vms_debug(4, "egsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
+ symbol->name, old_flags, flag2str(gsyflagdesc, old_flags));
+#endif
+ symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
+ }
+
+ symbol->flags = new_flags;
+
+ /* save symbol in vms_symbol_table */
+
+ entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV(vms_symbol_table), symbol->name, true, false);
+ if (entry == (vms_symbol_entry *)NULL)
+ {
+ bfd_set_error (bfd_error_no_memory);
+ return -1;
+ }
+ if (entry->symbol != (asymbol *)NULL)
+ { /* FIXME ?, DEC C generates this */
+#if VMS_DEBUG
+ vms_debug(4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name);
+#endif
+ }
+ else
+ {
+ entry->symbol = symbol;
+ PRIV(gsd_sym_count)++;
+ abfd->symcount++;
+ }
+ }
+ break;
+
+ case EGSD_S_C_IDC + EVAX_OFFSET:
+ break;
+
+ default:
+ (*_bfd_error_handler) (_("unknown gsd/egsd subtype %d"), gsd_type);
+ bfd_set_error (bfd_error_bad_value);
+ return -1;
+
+ } /* switch */
+
+ PRIV(rec_size) -= gsd_size;
+ PRIV(vms_rec) += gsd_size;
+
+ } /* while (recsize > 0) */
+
+ if (abfd->symcount > 0)
+ abfd->flags |= HAS_SYMS;
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------*/
+/* output routines */
+
+/* Write section and symbol directory of bfd abfd */
+
+int
+_bfd_vms_write_gsd (abfd, objtype)
+ bfd *abfd;
+ int objtype;
+{
+ asection *section;
+ asymbol *symbol;
+ int symnum;
+ int last_index = -1;
+ char dummy_name[10];
+ char *sname;
+ flagword new_flags, old_flags;
+ char *nptr, *uptr;
+
+#if VMS_DEBUG
+ vms_debug (2, "vms_write_gsd (%p, %d)\n", abfd, objtype);
+#endif
+
+ /* output sections */
+
+ section = abfd->sections;
+#if VMS_DEBUG
+ vms_debug (3, "%d sections found\n", abfd->section_count);
+#endif
+
+ /* egsd is quadword aligned */
+
+ _bfd_vms_output_alignment (abfd, 8);
+
+ _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
+ _bfd_vms_output_long (abfd, 0);
+ _bfd_vms_output_push (abfd); /* prepare output for subrecords */
+
+ while (section != 0)
+ {
+#if VMS_DEBUG
+ vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->_raw_size);
+#endif
+
+ /* 13 bytes egsd, max 31 chars name -> should be 44 bytes */
+ if (_bfd_vms_output_check (abfd, 64) < 0)
+ {
+ _bfd_vms_output_pop (abfd);
+ _bfd_vms_output_end (abfd);
+ _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
+ _bfd_vms_output_long (abfd, 0);
+ _bfd_vms_output_push (abfd); /* prepare output for subrecords */
+ }
+
+ /* Create dummy sections to keep consecutive indices */
+
+ while (section->index - last_index > 1)
+ {
+#if VMS_DEBUG
+ vms_debug (3, "index %d, last %d\n", section->index, last_index);
+#endif
+ _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
+ _bfd_vms_output_short (abfd, 0);
+ _bfd_vms_output_short (abfd, 0);
+ _bfd_vms_output_long (abfd, 0);
+ sprintf (dummy_name, ".DUMMY%02d", last_index);
+ _bfd_vms_output_counted (abfd, dummy_name);
+ _bfd_vms_output_flush (abfd);
+ last_index++;
+ }
+
+ /* Don't know if this is neccesary for the linker but for now it keeps
+ vms_slurp_gsd happy */
+
+ sname = (char *)section->name;
+ if (*sname == '.')
+ {
+ sname++;
+ if ((*sname == 't') && (strcmp (sname, "text") == 0))
+ sname = PRIV(is_vax)?VAX_CODE_NAME:EVAX_CODE_NAME;
+ else if ((*sname == 'd') && (strcmp (sname, "data") == 0))
+ sname = PRIV(is_vax)?VAX_DATA_NAME:EVAX_DATA_NAME;
+ else if ((*sname == 'b') && (strcmp (sname, "bss") == 0))
+ sname = EVAX_BSS_NAME;
+ else if ((*sname == 'l') && (strcmp (sname, "link") == 0))
+ sname = EVAX_LINK_NAME;
+ else if ((*sname == 'r') && (strcmp (sname, "rdata") == 0))
+ sname = EVAX_READONLY_NAME;
+ else if ((*sname == 'l') && (strcmp (sname, "literal") == 0))
+ sname = EVAX_LITERAL_NAME;
+ else if ((*sname == 'c') && (strcmp (sname, "comm") == 0))
+ sname = EVAX_COMMON_NAME;
+ else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0))
+ sname = EVAX_LOCAL_NAME;
+ }
+ else
+ sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ_S_C_SECSIZ);
+
+ _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1);
+ _bfd_vms_output_short (abfd, section->alignment_power & 0xff);
+ if (bfd_is_com_section (section))
+ {
+ 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);
+ }
+ else
+ {
+ new_flags = vms_esecflag_by_name (evax_section_flags, sname, section->_raw_size);
+ }
+ _bfd_vms_output_short (abfd, new_flags);
+ _bfd_vms_output_long (abfd, section->_raw_size);
+ _bfd_vms_output_counted (abfd, sname);
+ _bfd_vms_output_flush (abfd);
+
+ last_index = section->index;
+ section = section->next;
+ }
+
+ /* output symbols */
+
+#if VMS_DEBUG
+ vms_debug (3, "%d symbols found\n", abfd->symcount);
+#endif
+
+ bfd_set_start_address (abfd, (bfd_vma)-1);
+
+ for (symnum = 0; symnum < abfd->symcount; symnum++)
+ {
+
+ symbol = abfd->outsymbols[symnum];
+ if (*(symbol->name) == '_')
+ {
+ if (strcmp (symbol->name, "__main") == 0)
+ bfd_set_start_address (abfd, (bfd_vma)symbol->value);
+ }
+ old_flags = symbol->flags;
+
+ if (old_flags & BSF_FILE)
+ continue;
+
+ if (((old_flags & (BSF_GLOBAL|BSF_WEAK)) == 0) /* not xdef */
+ && (!bfd_is_und_section (symbol->section))) /* and not xref */
+ continue; /* dont output */
+
+ /* 13 bytes egsd, max 64 chars name -> should be 77 bytes */
+
+ if (_bfd_vms_output_check (abfd, 80) < 0)
+ {
+ _bfd_vms_output_pop (abfd);
+ _bfd_vms_output_end (abfd);
+ _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1);
+ _bfd_vms_output_long (abfd, 0);
+ _bfd_vms_output_push (abfd); /* prepare output for subrecords */
+ }
+
+ _bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1);
+
+ _bfd_vms_output_short (abfd, 0); /* data type, alignment */
+
+ new_flags = 0;
+
+ if (old_flags & BSF_WEAK)
+ new_flags |= EGSY_S_V_WEAK;
+ if (bfd_is_com_section (symbol->section)) /* .comm */
+ new_flags |= (EGSY_S_V_WEAK|EGSY_S_V_COMM);
+
+ if (old_flags & BSF_FUNCTION)
+ {
+ new_flags |= EGSY_S_V_NORM;
+ new_flags |= EGSY_S_V_REL;
+ }
+ if (old_flags & (BSF_GLOBAL|BSF_WEAK))
+ {
+ new_flags |= EGSY_S_V_DEF;
+ if (!bfd_is_abs_section (symbol->section))
+ new_flags |= EGSY_S_V_REL;
+ }
+ _bfd_vms_output_short (abfd, new_flags);
+
+ if (old_flags & (BSF_GLOBAL|BSF_WEAK)) /* symbol definition */
+ {
+ if (old_flags & BSF_FUNCTION)
+ {
+ _bfd_vms_output_quad (abfd, symbol->value);
+ _bfd_vms_output_quad (abfd,
+ ((asymbol *)(symbol->udata.p))->value);
+ _bfd_vms_output_long (abfd,
+ (((asymbol *)(symbol->udata.p))
+ ->section->index));
+ _bfd_vms_output_long (abfd, symbol->section->index);
+ }
+ else
+ {
+ _bfd_vms_output_quad (abfd, symbol->value); /* L_VALUE */
+ _bfd_vms_output_quad (abfd, 0); /* L_CODE_ADDRESS */
+ _bfd_vms_output_long (abfd, 0); /* L_CA_PSINDX */
+ _bfd_vms_output_long (abfd, symbol->section->index);/* L_PSINDX */
+ }
+ }
+ _bfd_vms_output_counted (abfd, _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ));
+
+ _bfd_vms_output_flush (abfd);
+
+ }
+
+ _bfd_vms_output_alignment (abfd, 8);
+ _bfd_vms_output_pop (abfd);
+ _bfd_vms_output_end (abfd);
+
+ return 0;
+}