diff options
Diffstat (limited to 'bfd/vms-gsd.c')
| -rw-r--r-- | bfd/vms-gsd.c | 920 |
1 files changed, 920 insertions, 0 deletions
diff --git a/bfd/vms-gsd.c b/bfd/vms-gsd.c new file mode 100644 index 00000000000..6a52462a06d --- /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; +} |