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771deb084e
* vms.h: Remove trailing spaces. (struct hdr_struct): Remove unused hdr_c_cpr field. (enum file_format_enum): Add comments. * vms.c (vms_bfd_print_private_bfd_data): New function that replaces the macro. Remove trailing spaces. * vms-misc.c: Improve comments. (_bfd_vms_get_object_record): Also handle files without pads. * vms-hdr.c (_bfd_vms_write_dbg): Fix format string. * vms-gsd.c (struct flagdescstruct): Make name field const. (gsyflagdesc): Fix typo.
1083 lines
29 KiB
C
1083 lines
29 KiB
C
/* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and
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EVAX (openVMS/Alpha) files.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2007, 2009 Free Software Foundation, Inc.
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GSD record handling functions
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EGSD record handling functions
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Go and read the openVMS linker manual (esp. appendix B)
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if you don't know what's going on here :-)
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Written by Klaus K"ampf (kkaempf@rmi.de)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "vms.h"
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/* Typical sections for vax object files. */
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#define VAX_CODE_NAME "$CODE"
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#define VAX_DATA_NAME "$DATA"
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#define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA"
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/* Typical sections for evax object files. */
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#define EVAX_ABS_NAME "$ABS$"
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#define EVAX_CODE_NAME "$CODE$"
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#define EVAX_LINK_NAME "$LINK$"
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#define EVAX_DATA_NAME "$DATA$"
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#define EVAX_BSS_NAME "$BSS$"
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#define EVAX_READONLYADDR_NAME "$READONLY_ADDR$"
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#define EVAX_READONLY_NAME "$READONLY$"
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#define EVAX_LITERAL_NAME "$LITERAL$"
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#define EVAX_LITERALS_NAME "$LITERALS"
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#define EVAX_COMMON_NAME "$COMMON$"
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#define EVAX_LOCAL_NAME "$LOCAL$"
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struct sec_flags_struct
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{
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char *name; /* Name of section. */
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int vflags_always;
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flagword flags_always; /* Flags we set always. */
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int vflags_hassize;
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flagword flags_hassize; /* Flags we set if the section has a size > 0. */
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};
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/* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible. */
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static struct sec_flags_struct vax_section_flags[] =
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{
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{ VAX_CODE_NAME,
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
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(SEC_CODE),
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD),
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(SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ VAX_DATA_NAME,
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
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(SEC_DATA),
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ VAX_ADDRESS_DATA_NAME,
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
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(SEC_DATA | SEC_READONLY),
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(GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ NULL,
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(GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
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(SEC_DATA),
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(GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
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};
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/* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible. */
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static struct sec_flags_struct evax_section_flags[] =
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{
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{ EVAX_ABS_NAME,
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(EGPS_S_V_SHR),
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(SEC_DATA),
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(EGPS_S_V_SHR),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ EVAX_CODE_NAME,
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
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(SEC_CODE),
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE),
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(SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ EVAX_LITERAL_NAME,
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
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(SEC_DATA | SEC_READONLY),
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ EVAX_LINK_NAME,
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(EGPS_S_V_REL | EGPS_S_V_RD),
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(SEC_DATA | SEC_READONLY),
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(EGPS_S_V_REL | EGPS_S_V_RD),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ EVAX_DATA_NAME,
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
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(SEC_DATA),
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ EVAX_BSS_NAME,
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
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(SEC_NO_FLAGS),
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD),
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(SEC_IN_MEMORY | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ EVAX_READONLYADDR_NAME,
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
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(SEC_DATA | SEC_READONLY),
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ EVAX_READONLY_NAME,
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD),
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(SEC_DATA | SEC_READONLY),
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(EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ EVAX_LOCAL_NAME,
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
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(SEC_DATA),
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) },
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{ EVAX_LITERALS_NAME,
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(EGPS_S_V_PIC | EGPS_S_V_OVR),
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(SEC_DATA | SEC_READONLY),
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(EGPS_S_V_PIC | EGPS_S_V_OVR),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) },
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{ NULL,
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
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(SEC_DATA),
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(EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT),
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(SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }
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};
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/* Retrieve bfd section flags by name and size. */
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static flagword
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vms_secflag_by_name (bfd *abfd,
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struct sec_flags_struct *section_flags,
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char *name,
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int hassize)
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{
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int i = 0;
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while (section_flags[i].name != NULL)
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{
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if ((PRIV (is_vax)?
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strcasecmp (name, section_flags[i].name):
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strcmp (name, section_flags[i].name)) == 0)
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{
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if (hassize)
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return section_flags[i].flags_hassize;
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else
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return section_flags[i].flags_always;
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}
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i++;
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}
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if (hassize)
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return section_flags[i].flags_hassize;
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return section_flags[i].flags_always;
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}
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/* Retrieve vms section flags by name and size. */
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static flagword
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vms_esecflag_by_name (struct sec_flags_struct *section_flags,
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char *name,
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int hassize)
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{
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int i = 0;
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while (section_flags[i].name != NULL)
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{
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if (strcmp (name, section_flags[i].name) == 0)
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{
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if (hassize)
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return section_flags[i].vflags_hassize;
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else
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return section_flags[i].vflags_always;
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}
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i++;
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}
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if (hassize)
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return section_flags[i].vflags_hassize;
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return section_flags[i].vflags_always;
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}
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#if VMS_DEBUG
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struct flagdescstruct { const char *name; flagword value; };
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static const struct flagdescstruct gpsflagdesc[] =
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{
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{ "PIC", GPS_S_M_PIC },
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{ "LIB", GPS_S_M_LIB },
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{ "OVR", GPS_S_M_OVR },
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{ "REL", GPS_S_M_REL },
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{ "GBL", GPS_S_M_GBL },
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{ "SHR", GPS_S_M_SHR },
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{ "EXE", GPS_S_M_EXE },
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{ "RD", GPS_S_M_RD },
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{ "WRT", GPS_S_M_WRT },
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{ "VEC", GPS_S_M_VEC },
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{ "NOMOD", EGPS_S_V_NOMOD },
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{ "COM", EGPS_S_V_COM },
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{ NULL, 0 }
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};
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static const struct flagdescstruct gsyflagdesc[] =
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{
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{ "WEAK", GSY_S_M_WEAK },
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{ "DEF", GSY_S_M_DEF },
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{ "UNI", GSY_S_M_UNI },
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{ "REL", GSY_S_M_REL },
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{ "COMM", EGSY_S_V_COMM },
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{ "VECEP", EGSY_S_V_VECEP },
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{ "NORM", EGSY_S_V_NORM },
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{ NULL, 0 }
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};
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static char *flag2str (struct flagdescstruct *, flagword);
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/* Convert flag to printable string. */
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static char *
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flag2str (struct flagdescstruct * flagdesc, flagword flags)
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{
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static char res[64];
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int next = 0;
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res[0] = 0;
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while (flagdesc->name != NULL)
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{
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if ((flags & flagdesc->value) != 0)
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{
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if (next)
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strcat (res, ",");
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else
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next = 1;
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strcat (res, flagdesc->name);
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}
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flagdesc++;
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}
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return res;
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}
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#endif
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/* Input routines. */
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static int register_universal_symbol (bfd *abfd, asymbol *symbol,
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int vms_flags);
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/* Process GSD/EGSD record
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return 0 on success, -1 on error. */
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int
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_bfd_vms_slurp_gsd (bfd * abfd, int objtype)
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{
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int gsd_type, gsd_size;
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asection *section;
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unsigned char *vms_rec;
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flagword new_flags, old_flags;
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char *name;
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asymbol *symbol;
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vms_symbol_entry *entry;
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unsigned long base_addr;
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unsigned long align_addr;
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static unsigned int psect_idx = 0;
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#if VMS_DEBUG
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vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
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#endif
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switch (objtype)
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{
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case EOBJ_S_C_EGSD:
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PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */
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PRIV (rec_size) -= 8;
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break;
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case OBJ_S_C_GSD:
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PRIV (vms_rec) += 1;
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PRIV (rec_size) -= 1;
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break;
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default:
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return -1;
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}
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/* Calculate base address for each section. */
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base_addr = 0L;
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abfd->symcount = 0;
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while (PRIV (rec_size) > 0)
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{
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vms_rec = PRIV (vms_rec);
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if (objtype == OBJ_S_C_GSD)
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gsd_type = vms_rec[0];
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else
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{
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_bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size);
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gsd_type += EVAX_OFFSET;
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}
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#if VMS_DEBUG
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vms_debug (3, "gsd_type %d\n", gsd_type);
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#endif
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switch (gsd_type)
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{
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case GSD_S_C_PSC:
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{
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/* Program section definition. */
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asection *old_section = 0;
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#if VMS_DEBUG
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vms_debug (4, "GSD_S_C_PSC\n");
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#endif
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/* If this section isn't a bfd section. */
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if (PRIV (is_vax) && (psect_idx < (abfd->section_count - 1)))
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{
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/* Check for temporary section from TIR record. */
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if (psect_idx < PRIV (section_count))
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old_section = PRIV (sections)[psect_idx];
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else
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old_section = 0;
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}
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name = _bfd_vms_save_counted_string (vms_rec + 8);
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section = bfd_make_section (abfd, name);
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if (!section)
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{
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(*_bfd_error_handler) (_("bfd_make_section (%s) failed"),
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name);
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return -1;
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}
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old_flags = bfd_getl16 (vms_rec + 2);
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section->size = bfd_getl32 (vms_rec + 4); /* allocation */
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new_flags = vms_secflag_by_name (abfd, vax_section_flags, name,
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section->size > 0);
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if (old_flags & EGPS_S_V_REL)
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new_flags |= SEC_RELOC;
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if (old_flags & GPS_S_M_OVR)
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new_flags |= SEC_IS_COMMON;
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if (!bfd_set_section_flags (abfd, section, new_flags))
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{
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(*_bfd_error_handler)
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(_("bfd_set_section_flags (%s, %x) failed"),
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name, new_flags);
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return -1;
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}
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section->alignment_power = vms_rec[1];
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align_addr = (1 << section->alignment_power);
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if ((base_addr % align_addr) != 0)
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base_addr += (align_addr - (base_addr % align_addr));
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section->vma = (bfd_vma)base_addr;
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base_addr += section->size;
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/* Global section is common symbol. */
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if (old_flags & GPS_S_M_GBL)
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{
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entry = _bfd_vms_enter_symbol (abfd, name);
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if (entry == NULL)
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{
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bfd_set_error (bfd_error_no_memory);
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return -1;
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}
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symbol = entry->symbol;
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symbol->value = 0;
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symbol->section = section;
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symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON);
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}
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/* Copy saved contents if old_section set. */
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if (old_section != 0)
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{
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section->contents = old_section->contents;
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if (section->size < old_section->size)
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{
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(*_bfd_error_handler)
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(_("Size mismatch section %s=%lx, %s=%lx"),
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old_section->name,
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(unsigned long) old_section->size,
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section->name,
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(unsigned long) section->size);
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return -1;
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}
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else if (section->size > old_section->size)
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{
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section->contents = bfd_realloc (old_section->contents,
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section->size);
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if (section->contents == NULL)
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{
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bfd_set_error (bfd_error_no_memory);
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return -1;
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}
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}
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}
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else
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{
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section->contents = bfd_zmalloc (section->size);
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if (section->contents == NULL)
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{
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bfd_set_error (bfd_error_no_memory);
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return -1;
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}
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}
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#if VMS_DEBUG
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vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
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section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
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vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
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section->size, section->vma, section->contents);
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#endif
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gsd_size = vms_rec[8] + 9;
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psect_idx++;
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}
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break;
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case GSD_S_C_EPM:
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case GSD_S_C_EPMW:
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#if VMS_DEBUG
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vms_debug (4, "gsd epm\n");
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|
#endif
|
|
/* Fall through. */
|
|
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 == 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 *)(unsigned long)psect;
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "gsd sym def #%d (%s, %ld, %04x=%s)\n", abfd->symcount,
|
|
symbol->name, (long)symbol->section, old_flags, flag2str(gsyflagdesc, old_flags));
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
/* Symbol reference. */
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "gsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
|
|
symbol->name, old_flags, flag2str (gsyflagdesc, old_flags));
|
|
#endif
|
|
symbol->section = (asection *)(unsigned long)-1;
|
|
}
|
|
|
|
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 + EGPS_S_B_NAMLNG);
|
|
section = bfd_make_section (abfd, name);
|
|
if (!section)
|
|
return -1;
|
|
old_flags = bfd_getl16 (vms_rec + EGPS_S_W_FLAGS);
|
|
section->size = bfd_getl32 (vms_rec + EGPS_S_L_ALLOC);
|
|
new_flags = vms_secflag_by_name (abfd, evax_section_flags, name,
|
|
section->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[EGPS_S_B_ALIGN];
|
|
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->size;
|
|
section->contents = bfd_zmalloc (section->size);
|
|
if (section->contents == NULL)
|
|
return -1;
|
|
section->filepos = (unsigned int)-1;
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "EGSD P-section %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->size, section->vma, section->contents);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case EGSD_S_C_SYM + EVAX_OFFSET:
|
|
{
|
|
/* Global symbol specification (definition or reference). */
|
|
symbol = bfd_make_empty_symbol (abfd);
|
|
if (symbol == 0)
|
|
return -1;
|
|
|
|
old_flags = bfd_getl16 (vms_rec + EGSY_S_W_FLAGS);
|
|
new_flags = BSF_NO_FLAGS;
|
|
|
|
if (old_flags & EGSY_S_V_WEAK)
|
|
new_flags |= BSF_WEAK;
|
|
|
|
if (old_flags & EGSY_S_V_DEF)
|
|
{
|
|
/* Symbol definition. */
|
|
if (old_flags & EGSY_S_V_NORM)
|
|
new_flags |= BSF_FUNCTION;
|
|
symbol->name =
|
|
_bfd_vms_save_counted_string (vms_rec + ESDF_S_B_NAMLNG);
|
|
symbol->value = bfd_getl64 (vms_rec + ESDF_S_L_VALUE);
|
|
symbol->section =
|
|
(asection *)(unsigned long) bfd_getl32 (vms_rec + ESDF_S_L_PSINDX);
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "EGSD sym def #%d (%s, %ld, %04x=%s)\n",
|
|
abfd->symcount, symbol->name, (long)symbol->section,
|
|
old_flags, flag2str (gsyflagdesc, old_flags));
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
/* Symbol reference. */
|
|
symbol->name =
|
|
_bfd_vms_save_counted_string (vms_rec + ESRF_S_B_NAMLNG);
|
|
#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 = (asection *)(unsigned long)-1;
|
|
}
|
|
|
|
symbol->flags = new_flags;
|
|
|
|
/* Register symbol in VMS symbol table. */
|
|
entry = (vms_symbol_entry *) bfd_hash_lookup
|
|
(PRIV (vms_symbol_table), symbol->name, TRUE, FALSE);
|
|
|
|
if (entry == NULL)
|
|
{
|
|
bfd_set_error (bfd_error_no_memory);
|
|
return -1;
|
|
}
|
|
|
|
if (entry->symbol != 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_SYMG + EVAX_OFFSET:
|
|
{
|
|
/* Universal symbol specification (definition). */
|
|
symbol = bfd_make_empty_symbol (abfd);
|
|
if (symbol == 0)
|
|
return -1;
|
|
|
|
old_flags = bfd_getl16 (vms_rec + EGST_S_W_FLAGS);
|
|
new_flags = BSF_NO_FLAGS;
|
|
|
|
if (old_flags & EGSY_S_V_WEAK)
|
|
new_flags |= BSF_WEAK;
|
|
|
|
if (old_flags & EGSY_S_V_DEF) /* symbol definition */
|
|
{
|
|
if (old_flags & EGSY_S_V_NORM)
|
|
new_flags |= BSF_FUNCTION;
|
|
|
|
symbol->name =
|
|
_bfd_vms_save_counted_string (vms_rec + EGST_S_B_NAMLNG);
|
|
|
|
/* For BSF_FUNCTION symbols, the entry point is in LP_1
|
|
and the descriptor in LP_2. For other symbols, the
|
|
unique value is in LP_2. */
|
|
symbol->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_2);
|
|
|
|
/* Adding this offset is necessary in order for GDB to
|
|
read the DWARF-2 debug info from shared libraries. */
|
|
if (abfd->flags & DYNAMIC
|
|
&& strstr (symbol->name, "$DWARF2.DEBUG") != 0)
|
|
symbol->value += PRIV (symvva);
|
|
}
|
|
else /* symbol reference */
|
|
(*_bfd_error_handler) ("Invalid EGST reference");
|
|
|
|
symbol->flags = new_flags;
|
|
|
|
if (register_universal_symbol (abfd, symbol, old_flags) < 0)
|
|
return -1;
|
|
|
|
/* Make a second symbol for the entry point. */
|
|
if (symbol->flags & BSF_FUNCTION)
|
|
{
|
|
asymbol *en_sym;
|
|
|
|
name = bfd_alloc (abfd, strlen (symbol->name) + 5);
|
|
|
|
en_sym = bfd_make_empty_symbol (abfd);
|
|
if (en_sym == 0)
|
|
return -1;
|
|
|
|
strcpy (name, symbol->name);
|
|
strcat (name, "..en");
|
|
|
|
en_sym->name = name;
|
|
en_sym->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_1);
|
|
|
|
if (register_universal_symbol (abfd, en_sym, old_flags) < 0)
|
|
return -1;
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
|
|
PRIV (rec_size) -= gsd_size;
|
|
PRIV (vms_rec) += gsd_size;
|
|
}
|
|
|
|
if (abfd->symcount > 0)
|
|
abfd->flags |= HAS_SYMS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Register a universal symbol in the VMS symbol table. */
|
|
|
|
static int
|
|
register_universal_symbol (bfd *abfd, asymbol *symbol, int vms_flags)
|
|
{
|
|
bfd_vma sbase = 0;
|
|
asection *s, *sec = NULL;
|
|
vms_symbol_entry *entry;
|
|
|
|
/* A universal symbol is by definition global... */
|
|
symbol->flags |= BSF_GLOBAL;
|
|
|
|
/* ...and dynamic in shared libraries. */
|
|
if (abfd->flags & DYNAMIC)
|
|
symbol->flags |= BSF_DYNAMIC;
|
|
|
|
/* Find containing section. */
|
|
for (s = abfd->sections; s; s = s->next)
|
|
{
|
|
if (symbol->value >= s->vma
|
|
&& s->vma > sbase
|
|
&& !(s->flags & SEC_COFF_SHARED_LIBRARY)
|
|
&& (s->size > 0 || !(vms_flags & EGSY_S_V_REL)))
|
|
{
|
|
sbase = s->vma;
|
|
sec = s;
|
|
}
|
|
}
|
|
|
|
symbol->value -= sbase;
|
|
symbol->section = sec;
|
|
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "EGST sym def #%d (%s, 0x%llx => 0x%llx, %04x=%s)\n",
|
|
abfd->symcount, symbol->name, symbol->value + sbase,
|
|
symbol->value, vms_flags,
|
|
flag2str(gsyflagdesc, vms_flags));
|
|
#endif
|
|
|
|
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
|
symbol->name,
|
|
TRUE, FALSE);
|
|
|
|
if (entry == NULL)
|
|
{
|
|
bfd_set_error (bfd_error_no_memory);
|
|
return -1;
|
|
}
|
|
|
|
if (entry->symbol) /* FIXME: DEC C generates this */
|
|
{
|
|
#if VMS_DEBUG
|
|
vms_debug (4, "EGSD_S_C_SYMG: duplicate \"%s\"\n", symbol->name);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
entry->symbol = symbol;
|
|
PRIV (gsd_sym_count)++;
|
|
abfd->symcount++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Set section VMS flags. */
|
|
|
|
void
|
|
bfd_vms_set_section_flags (bfd *abfd ATTRIBUTE_UNUSED,
|
|
asection *sec, flagword flags)
|
|
{
|
|
vms_section_data (sec)->vflags = flags;
|
|
}
|
|
|
|
/* Write section and symbol directory of bfd abfd. */
|
|
|
|
int
|
|
_bfd_vms_write_gsd (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;
|
|
int abs_section_index = 0;
|
|
|
|
#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);
|
|
/* Prepare output for subrecords. */
|
|
_bfd_vms_output_push (abfd);
|
|
|
|
while (section != 0)
|
|
{
|
|
#if VMS_DEBUG
|
|
vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->size);
|
|
#endif
|
|
|
|
/* Don't write out the VMS debug info section since it is in the
|
|
ETBT and EDBG sections in etir. */
|
|
if (!strcmp (section->name, ".vmsdebug"))
|
|
goto done;
|
|
|
|
/* 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);
|
|
/* Prepare output for subrecords. */
|
|
_bfd_vms_output_push (abfd);
|
|
}
|
|
|
|
/* 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 necessary 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 == 'l') && (strcmp (sname, "literals") == 0))
|
|
{
|
|
sname = EVAX_LITERALS_NAME;
|
|
abs_section_index = section->index;
|
|
}
|
|
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->size > 0);
|
|
|
|
/* Modify them as directed. */
|
|
if (section->flags & SEC_READONLY)
|
|
new_flags &= ~EGPS_S_V_WRT;
|
|
|
|
new_flags |= vms_section_data (section)->vflags & 0xffff;
|
|
new_flags &=
|
|
~((vms_section_data (section)->vflags >> EGPS_S_V_NO_SHIFT) & 0xffff);
|
|
|
|
#if VMS_DEBUG
|
|
vms_debug (3, "sec flags %x\n", section->flags);
|
|
vms_debug (3, "new_flags %x, _raw_size %d\n", new_flags, section->size);
|
|
#endif
|
|
|
|
_bfd_vms_output_short (abfd, new_flags);
|
|
_bfd_vms_output_long (abfd, (unsigned long) section->size);
|
|
_bfd_vms_output_counted (abfd, sname);
|
|
_bfd_vms_output_flush (abfd);
|
|
|
|
last_index = section->index;
|
|
done:
|
|
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) == 0 /* Not xdef... */
|
|
&& !bfd_is_und_section (symbol->section) /* and not xref... */
|
|
&& !((old_flags & BSF_SECTION_SYM) != 0 /* and not LIB$INITIALIZE. */
|
|
&& strcmp (symbol->section->name, "LIB$INITIALIZE") == 0))
|
|
continue;
|
|
|
|
/* 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);
|
|
/* Prepare output for subrecords. */
|
|
_bfd_vms_output_push (abfd);
|
|
}
|
|
|
|
_bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1);
|
|
|
|
/* Data type, alignment. */
|
|
_bfd_vms_output_short (abfd, 0);
|
|
|
|
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)
|
|
{
|
|
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)
|
|
{
|
|
/* Symbol definition. */
|
|
uquad code_address = 0;
|
|
unsigned long ca_psindx = 0;
|
|
unsigned long psindx;
|
|
|
|
if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL)
|
|
{
|
|
asymbol *sym;
|
|
|
|
if (bfd_get_flavour (abfd) == bfd_target_evax_flavour)
|
|
sym = ((struct evax_private_udata_struct *)symbol->udata.p)->enbsym;
|
|
else
|
|
sym = (asymbol *)symbol->udata.p;
|
|
code_address = sym->value;
|
|
ca_psindx = sym->section->index;
|
|
}
|
|
if (bfd_is_abs_section (symbol->section))
|
|
psindx = abs_section_index;
|
|
else
|
|
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;
|
|
}
|