| /* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and |
| EVAX (openVMS/Alpha) files. |
| Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
| 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 "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) } |
| }; |
| |
| static flagword vms_secflag_by_name PARAMS ((bfd *, struct sec_flags_struct *, char *, int)); |
| static flagword vms_esecflag_by_name PARAMS ((struct sec_flags_struct *, char *, int)); |
| |
| /* Retrieve bfd section flags by name and size */ |
| |
| static flagword |
| vms_secflag_by_name (abfd, section_flags, name, hassize) |
| bfd *abfd; |
| struct sec_flags_struct *section_flags; |
| char *name; |
| int hassize; |
| { |
| 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 (hassize) |
| return section_flags[i].flags_hassize; |
| else |
| return section_flags[i].flags_always; |
| } |
| i++; |
| } |
| if (hassize) |
| 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, hassize) |
| struct sec_flags_struct *section_flags; |
| char *name; |
| int hassize; |
| { |
| int i = 0; |
| |
| while (section_flags[i].name != NULL) |
| { |
| if (strcmp (name, section_flags[i].name) == 0) |
| { |
| if (hassize) |
| return section_flags[i].vflags_hassize; |
| else |
| return section_flags[i].vflags_always; |
| } |
| i++; |
| } |
| if (hassize) |
| 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 unsigned 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) |
| { |
| (*_bfd_error_handler) (_("bfd_make_section (%s) failed"), |
| 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 > 0); |
| 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)) |
| { |
| (*_bfd_error_handler) |
| (_("bfd_set_section_flags (%s, %x) failed"), |
| 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) |
| { |
| (*_bfd_error_handler) |
| (_("Size mismatch section %s=%lx, %s=%lx"), |
| old_section->name, |
| (unsigned long) old_section->_raw_size, |
| section->name, |
| (unsigned long) 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_zmalloc (section->_raw_size)); |
| if (section->contents == NULL) |
| { |
| bfd_set_error (bfd_error_no_memory); |
| return -1; |
| } |
| } |
| 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 = 0, value_offset = 0; |
| |
| /* |
| * 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, |
| section->_raw_size > 0); |
| 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_zmalloc (section->_raw_size)); |
| if (section->contents == NULL) |
| return -1; |
| 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_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 ATTRIBUTE_UNUSED; |
| { |
| asection *section; |
| asymbol *symbol; |
| unsigned int symnum; |
| int last_index = -1; |
| char dummy_name[10]; |
| char *sname; |
| flagword new_flags, old_flags; |
| |
| #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 > 0); |
| } |
| _bfd_vms_output_short (abfd, new_flags); |
| _bfd_vms_output_long (abfd, (unsigned long) 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++) |
| { |
| char *hash; |
| |
| 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 */ |
| { |
| uquad code_address = 0; |
| unsigned long ca_psindx = 0; |
| unsigned long psindx; |
| |
| if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL) |
| { |
| code_address = ((asymbol *) (symbol->udata.p))->value; |
| ca_psindx = ((asymbol *) (symbol->udata.p))->section->index; |
| } |
| psindx = symbol->section->index; |
| |
| _bfd_vms_output_quad (abfd, symbol->value); |
| _bfd_vms_output_quad (abfd, code_address); |
| _bfd_vms_output_long (abfd, ca_psindx); |
| _bfd_vms_output_long (abfd, psindx); |
| } |
| hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ); |
| _bfd_vms_output_counted (abfd, hash); |
| |
| _bfd_vms_output_flush (abfd); |
| |
| } |
| |
| _bfd_vms_output_alignment (abfd, 8); |
| _bfd_vms_output_pop (abfd); |
| _bfd_vms_output_end (abfd); |
| |
| return 0; |
| } |