/* BFD back-end for oasys objects.
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/* BFD back-end for oasys objects.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
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Written by Steve Chamberlain of Cygnus Support, <sac@cygnus.com>.
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define UNDERSCORE_HACK 1
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#define UNDERSCORE_HACK 1
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#include "bfd.h"
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#include "bfd.h"
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#include "sysdep.h"
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#include "sysdep.h"
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#include <ctype.h>
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#include <ctype.h>
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#include "libbfd.h"
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#include "libbfd.h"
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#include "oasys.h"
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#include "oasys.h"
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#include "liboasys.h"
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#include "liboasys.h"
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/* XXX - FIXME. offsetof belongs in the system-specific files in
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/* XXX - FIXME. offsetof belongs in the system-specific files in
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../include/sys. */
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../include/sys. */
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/* Define offsetof for those systems which lack it */
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/* Define offsetof for those systems which lack it */
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#ifndef offsetof
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#ifndef offsetof
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#define offsetof(type, identifier) (size_t) &(((type *) 0)->identifier)
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#define offsetof(type, identifier) (size_t) &(((type *) 0)->identifier)
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#endif
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#endif
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static boolean oasys_read_record PARAMS ((bfd *,
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static boolean oasys_read_record PARAMS ((bfd *,
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oasys_record_union_type *));
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oasys_record_union_type *));
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static boolean oasys_write_sections PARAMS ((bfd *));
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static boolean oasys_write_sections PARAMS ((bfd *));
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static boolean oasys_write_record PARAMS ((bfd *,
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static boolean oasys_write_record PARAMS ((bfd *,
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oasys_record_enum_type,
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oasys_record_enum_type,
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oasys_record_union_type *,
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oasys_record_union_type *,
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size_t));
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size_t));
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static boolean oasys_write_syms PARAMS ((bfd *));
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static boolean oasys_write_syms PARAMS ((bfd *));
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static boolean oasys_write_header PARAMS ((bfd *));
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static boolean oasys_write_header PARAMS ((bfd *));
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static boolean oasys_write_end PARAMS ((bfd *));
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static boolean oasys_write_end PARAMS ((bfd *));
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static boolean oasys_write_data PARAMS ((bfd *));
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static boolean oasys_write_data PARAMS ((bfd *));
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/* Read in all the section data and relocation stuff too */
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/* Read in all the section data and relocation stuff too */
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PROTO (static boolean, oasys_slurp_section_data, (bfd * CONST abfd));
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PROTO (static boolean, oasys_slurp_section_data, (bfd * CONST abfd));
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static boolean
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static boolean
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oasys_read_record (abfd, record)
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oasys_read_record (abfd, record)
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bfd *abfd;
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bfd *abfd;
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oasys_record_union_type *record;
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oasys_record_union_type *record;
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{
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{
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if (bfd_read ((PTR) record, 1, sizeof (record->header), abfd)
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if (bfd_read ((PTR) record, 1, sizeof (record->header), abfd)
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!= sizeof (record->header))
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!= sizeof (record->header))
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return false;
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return false;
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if ((size_t) record->header.length <= (size_t) sizeof (record->header))
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if ((size_t) record->header.length <= (size_t) sizeof (record->header))
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return true;
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return true;
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if (bfd_read ((PTR) (((char *) record) + sizeof (record->header)),
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if (bfd_read ((PTR) (((char *) record) + sizeof (record->header)),
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1, record->header.length - sizeof (record->header),
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1, record->header.length - sizeof (record->header),
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abfd)
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abfd)
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!= record->header.length - sizeof (record->header))
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!= record->header.length - sizeof (record->header))
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return false;
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return false;
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return true;
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return true;
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}
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}
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static size_t
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static size_t
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oasys_string_length (record)
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oasys_string_length (record)
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oasys_record_union_type *record;
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oasys_record_union_type *record;
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{
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{
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return record->header.length
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return record->header.length
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- ((char *) record->symbol.name - (char *) record);
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- ((char *) record->symbol.name - (char *) record);
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}
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*
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/*
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Slurp the symbol table by reading in all the records at the start file
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Slurp the symbol table by reading in all the records at the start file
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till we get to the first section record.
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till we get to the first section record.
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We'll sort the symbolss into two lists, defined and undefined. The
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We'll sort the symbolss into two lists, defined and undefined. The
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undefined symbols will be placed into the table according to their
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undefined symbols will be placed into the table according to their
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refno.
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refno.
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We do this by placing all undefined symbols at the front of the table
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We do this by placing all undefined symbols at the front of the table
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moving in, and the defined symbols at the end of the table moving back.
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moving in, and the defined symbols at the end of the table moving back.
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*/
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*/
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static boolean
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static boolean
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oasys_slurp_symbol_table (abfd)
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oasys_slurp_symbol_table (abfd)
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bfd *CONST abfd;
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bfd *CONST abfd;
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{
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{
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oasys_record_union_type record;
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oasys_record_union_type record;
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oasys_data_type *data = OASYS_DATA (abfd);
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oasys_data_type *data = OASYS_DATA (abfd);
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boolean loop = true;
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boolean loop = true;
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asymbol *dest_defined;
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asymbol *dest_defined;
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asymbol *dest;
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asymbol *dest;
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char *string_ptr;
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char *string_ptr;
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if (data->symbols != (asymbol *) NULL)
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if (data->symbols != (asymbol *) NULL)
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{
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{
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return true;
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return true;
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}
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}
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/* Buy enough memory for all the symbols and all the names */
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/* Buy enough memory for all the symbols and all the names */
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data->symbols =
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data->symbols =
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(asymbol *) bfd_alloc (abfd, sizeof (asymbol) * abfd->symcount);
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(asymbol *) bfd_alloc (abfd, sizeof (asymbol) * abfd->symcount);
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#ifdef UNDERSCORE_HACK
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#ifdef UNDERSCORE_HACK
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/* buy 1 more char for each symbol to keep the underscore in*/
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/* buy 1 more char for each symbol to keep the underscore in*/
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data->strings = bfd_alloc (abfd, data->symbol_string_length +
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data->strings = bfd_alloc (abfd, data->symbol_string_length +
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abfd->symcount);
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abfd->symcount);
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#else
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#else
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data->strings = bfd_alloc (abfd, data->symbol_string_length);
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data->strings = bfd_alloc (abfd, data->symbol_string_length);
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#endif
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#endif
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if (!data->symbols || !data->strings)
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if (!data->symbols || !data->strings)
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return false;
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return false;
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dest_defined = data->symbols + abfd->symcount - 1;
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dest_defined = data->symbols + abfd->symcount - 1;
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string_ptr = data->strings;
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string_ptr = data->strings;
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
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return false;
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return false;
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while (loop)
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while (loop)
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{
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{
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if (! oasys_read_record (abfd, &record))
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if (! oasys_read_record (abfd, &record))
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return false;
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return false;
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switch (record.header.type)
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switch (record.header.type)
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{
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{
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case oasys_record_is_header_enum:
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case oasys_record_is_header_enum:
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break;
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break;
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case oasys_record_is_local_enum:
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case oasys_record_is_local_enum:
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case oasys_record_is_symbol_enum:
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case oasys_record_is_symbol_enum:
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{
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{
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int flag = record.header.type == (int) oasys_record_is_local_enum ?
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int flag = record.header.type == (int) oasys_record_is_local_enum ?
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(BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
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(BSF_LOCAL) : (BSF_GLOBAL | BSF_EXPORT);
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size_t length = oasys_string_length (&record);
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size_t length = oasys_string_length (&record);
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switch (record.symbol.relb & RELOCATION_TYPE_BITS)
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switch (record.symbol.relb & RELOCATION_TYPE_BITS)
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{
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{
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case RELOCATION_TYPE_ABS:
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case RELOCATION_TYPE_ABS:
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dest = dest_defined--;
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dest = dest_defined--;
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dest->section = bfd_abs_section_ptr;
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dest->section = bfd_abs_section_ptr;
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dest->flags = 0;
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dest->flags = 0;
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break;
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break;
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case RELOCATION_TYPE_REL:
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case RELOCATION_TYPE_REL:
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dest = dest_defined--;
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dest = dest_defined--;
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dest->section =
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dest->section =
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OASYS_DATA (abfd)->sections[record.symbol.relb &
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OASYS_DATA (abfd)->sections[record.symbol.relb &
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RELOCATION_SECT_BITS];
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RELOCATION_SECT_BITS];
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if (record.header.type == (int) oasys_record_is_local_enum)
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if (record.header.type == (int) oasys_record_is_local_enum)
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{
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{
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dest->flags = BSF_LOCAL;
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dest->flags = BSF_LOCAL;
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if (dest->section == (asection *) (~0))
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if (dest->section == (asection *) (~0))
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{
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{
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/* It seems that sometimes internal symbols are tied up, but
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/* It seems that sometimes internal symbols are tied up, but
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still get output, even though there is no
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still get output, even though there is no
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section */
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section */
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dest->section = 0;
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dest->section = 0;
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}
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}
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}
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}
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else
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else
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{
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{
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dest->flags = flag;
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dest->flags = flag;
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}
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}
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break;
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break;
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case RELOCATION_TYPE_UND:
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case RELOCATION_TYPE_UND:
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dest = data->symbols + bfd_h_get_16 (abfd, record.symbol.refno);
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dest = data->symbols + bfd_h_get_16 (abfd, record.symbol.refno);
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dest->section = bfd_und_section_ptr;
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dest->section = bfd_und_section_ptr;
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break;
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break;
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case RELOCATION_TYPE_COM:
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case RELOCATION_TYPE_COM:
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dest = dest_defined--;
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dest = dest_defined--;
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dest->name = string_ptr;
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dest->name = string_ptr;
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dest->the_bfd = abfd;
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dest->the_bfd = abfd;
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dest->section = bfd_com_section_ptr;
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dest->section = bfd_com_section_ptr;
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break;
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break;
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default:
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default:
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dest = dest_defined--;
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dest = dest_defined--;
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BFD_ASSERT (0);
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BFD_ASSERT (0);
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break;
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break;
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}
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}
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dest->name = string_ptr;
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dest->name = string_ptr;
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dest->the_bfd = abfd;
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dest->the_bfd = abfd;
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dest->udata.p = (PTR) NULL;
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dest->udata.p = (PTR) NULL;
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dest->value = bfd_h_get_32 (abfd, record.symbol.value);
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dest->value = bfd_h_get_32 (abfd, record.symbol.value);
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#ifdef UNDERSCORE_HACK
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#ifdef UNDERSCORE_HACK
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if (record.symbol.name[0] != '_')
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if (record.symbol.name[0] != '_')
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{
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{
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string_ptr[0] = '_';
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string_ptr[0] = '_';
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string_ptr++;
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string_ptr++;
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}
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}
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#endif
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#endif
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memcpy (string_ptr, record.symbol.name, length);
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memcpy (string_ptr, record.symbol.name, length);
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string_ptr[length] = 0;
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string_ptr[length] = 0;
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string_ptr += length + 1;
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string_ptr += length + 1;
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}
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}
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break;
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break;
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default:
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default:
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loop = false;
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loop = false;
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}
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}
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}
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}
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return true;
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return true;
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}
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}
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static long
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static long
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oasys_get_symtab_upper_bound (abfd)
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oasys_get_symtab_upper_bound (abfd)
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bfd *CONST abfd;
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bfd *CONST abfd;
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{
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{
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if (! oasys_slurp_symbol_table (abfd))
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if (! oasys_slurp_symbol_table (abfd))
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return -1;
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return -1;
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return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
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return (abfd->symcount + 1) * (sizeof (oasys_symbol_type *));
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}
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}
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/*
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/*
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*/
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*/
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extern const bfd_target oasys_vec;
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extern const bfd_target oasys_vec;
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long
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long
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oasys_get_symtab (abfd, location)
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oasys_get_symtab (abfd, location)
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bfd *abfd;
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bfd *abfd;
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asymbol **location;
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asymbol **location;
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{
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{
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asymbol *symbase;
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asymbol *symbase;
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unsigned int counter;
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unsigned int counter;
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if (oasys_slurp_symbol_table (abfd) == false)
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if (oasys_slurp_symbol_table (abfd) == false)
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{
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{
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return -1;
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return -1;
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}
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}
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symbase = OASYS_DATA (abfd)->symbols;
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symbase = OASYS_DATA (abfd)->symbols;
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for (counter = 0; counter < abfd->symcount; counter++)
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for (counter = 0; counter < abfd->symcount; counter++)
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{
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{
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*(location++) = symbase++;
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*(location++) = symbase++;
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}
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}
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*location = 0;
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*location = 0;
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return abfd->symcount;
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return abfd->symcount;
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}
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}
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/***********************************************************************
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/***********************************************************************
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* archive stuff
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* archive stuff
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*/
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*/
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static const bfd_target *
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static const bfd_target *
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oasys_archive_p (abfd)
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oasys_archive_p (abfd)
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bfd *abfd;
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bfd *abfd;
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{
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{
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oasys_archive_header_type header;
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oasys_archive_header_type header;
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oasys_extarchive_header_type header_ext;
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oasys_extarchive_header_type header_ext;
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unsigned int i;
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unsigned int i;
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file_ptr filepos;
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file_ptr filepos;
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if (bfd_seek (abfd, (file_ptr) 0, false) != 0
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if (bfd_seek (abfd, (file_ptr) 0, false) != 0
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|| (bfd_read ((PTR) & header_ext, 1, sizeof (header_ext), abfd)
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|| (bfd_read ((PTR) & header_ext, 1, sizeof (header_ext), abfd)
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!= sizeof (header_ext)))
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!= sizeof (header_ext)))
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{
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{
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if (bfd_get_error () != bfd_error_system_call)
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_wrong_format);
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bfd_set_error (bfd_error_wrong_format);
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return NULL;
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return NULL;
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}
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}
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header.version = bfd_h_get_32 (abfd, header_ext.version);
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header.version = bfd_h_get_32 (abfd, header_ext.version);
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header.mod_count = bfd_h_get_32 (abfd, header_ext.mod_count);
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header.mod_count = bfd_h_get_32 (abfd, header_ext.mod_count);
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header.mod_tbl_offset = bfd_h_get_32 (abfd, header_ext.mod_tbl_offset);
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header.mod_tbl_offset = bfd_h_get_32 (abfd, header_ext.mod_tbl_offset);
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header.sym_tbl_size = bfd_h_get_32 (abfd, header_ext.sym_tbl_size);
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header.sym_tbl_size = bfd_h_get_32 (abfd, header_ext.sym_tbl_size);
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header.sym_count = bfd_h_get_32 (abfd, header_ext.sym_count);
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header.sym_count = bfd_h_get_32 (abfd, header_ext.sym_count);
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header.sym_tbl_offset = bfd_h_get_32 (abfd, header_ext.sym_tbl_offset);
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header.sym_tbl_offset = bfd_h_get_32 (abfd, header_ext.sym_tbl_offset);
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header.xref_count = bfd_h_get_32 (abfd, header_ext.xref_count);
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header.xref_count = bfd_h_get_32 (abfd, header_ext.xref_count);
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header.xref_lst_offset = bfd_h_get_32 (abfd, header_ext.xref_lst_offset);
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header.xref_lst_offset = bfd_h_get_32 (abfd, header_ext.xref_lst_offset);
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|
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/*
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/*
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There isn't a magic number in an Oasys archive, so the best we
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There isn't a magic number in an Oasys archive, so the best we
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can do to verify reasnableness is to make sure that the values in
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can do to verify reasnableness is to make sure that the values in
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the header are too weird
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the header are too weird
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*/
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*/
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|
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if (header.version > 10000 ||
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if (header.version > 10000 ||
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header.mod_count > 10000 ||
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header.mod_count > 10000 ||
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header.sym_count > 100000 ||
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header.sym_count > 100000 ||
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header.xref_count > 100000)
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header.xref_count > 100000)
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return (const bfd_target *) NULL;
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return (const bfd_target *) NULL;
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|
|
/*
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/*
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That all worked, let's buy the space for the header and read in
|
That all worked, let's buy the space for the header and read in
|
the headers.
|
the headers.
|
*/
|
*/
|
{
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{
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oasys_ar_data_type *ar =
|
oasys_ar_data_type *ar =
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(oasys_ar_data_type *) bfd_alloc (abfd, sizeof (oasys_ar_data_type));
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(oasys_ar_data_type *) bfd_alloc (abfd, sizeof (oasys_ar_data_type));
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|
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oasys_module_info_type *module =
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oasys_module_info_type *module =
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(oasys_module_info_type *)
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(oasys_module_info_type *)
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bfd_alloc (abfd, sizeof (oasys_module_info_type) * header.mod_count);
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bfd_alloc (abfd, sizeof (oasys_module_info_type) * header.mod_count);
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oasys_module_table_type record;
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oasys_module_table_type record;
|
|
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if (!ar || !module)
|
if (!ar || !module)
|
return NULL;
|
return NULL;
|
|
|
abfd->tdata.oasys_ar_data = ar;
|
abfd->tdata.oasys_ar_data = ar;
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ar->module = module;
|
ar->module = module;
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ar->module_count = header.mod_count;
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ar->module_count = header.mod_count;
|
|
|
filepos = header.mod_tbl_offset;
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filepos = header.mod_tbl_offset;
|
for (i = 0; i < header.mod_count; i++)
|
for (i = 0; i < header.mod_count; i++)
|
{
|
{
|
if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
|
if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
|
return NULL;
|
return NULL;
|
|
|
/* There are two ways of specifying the archive header */
|
/* There are two ways of specifying the archive header */
|
|
|
if (0)
|
if (0)
|
{
|
{
|
oasys_extmodule_table_type_a_type record_ext;
|
oasys_extmodule_table_type_a_type record_ext;
|
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
!= sizeof (record_ext))
|
!= sizeof (record_ext))
|
return NULL;
|
return NULL;
|
|
|
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
|
|
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
|
|
module[i].name = bfd_alloc (abfd, 33);
|
module[i].name = bfd_alloc (abfd, 33);
|
if (!module[i].name)
|
if (!module[i].name)
|
return NULL;
|
return NULL;
|
|
|
memcpy (module[i].name, record_ext.mod_name, 33);
|
memcpy (module[i].name, record_ext.mod_name, 33);
|
filepos +=
|
filepos +=
|
sizeof (record_ext) +
|
sizeof (record_ext) +
|
record.dep_count * 4 +
|
record.dep_count * 4 +
|
record.depee_count * 4 +
|
record.depee_count * 4 +
|
record.sect_count * 8 + 187;
|
record.sect_count * 8 + 187;
|
}
|
}
|
else
|
else
|
{
|
{
|
oasys_extmodule_table_type_b_type record_ext;
|
oasys_extmodule_table_type_b_type record_ext;
|
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
if (bfd_read ((PTR) & record_ext, 1, sizeof (record_ext), abfd)
|
!= sizeof (record_ext))
|
!= sizeof (record_ext))
|
return NULL;
|
return NULL;
|
|
|
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
record.mod_size = bfd_h_get_32 (abfd, record_ext.mod_size);
|
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
record.file_offset = bfd_h_get_32 (abfd, record_ext.file_offset);
|
|
|
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
record.dep_count = bfd_h_get_32 (abfd, record_ext.dep_count);
|
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
record.depee_count = bfd_h_get_32 (abfd, record_ext.depee_count);
|
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
record.sect_count = bfd_h_get_32 (abfd, record_ext.sect_count);
|
record.module_name_size = bfd_h_get_32 (abfd, record_ext.mod_name_length);
|
record.module_name_size = bfd_h_get_32 (abfd, record_ext.mod_name_length);
|
|
|
module[i].name = bfd_alloc (abfd, record.module_name_size + 1);
|
module[i].name = bfd_alloc (abfd, record.module_name_size + 1);
|
if (!module[i].name)
|
if (!module[i].name)
|
return NULL;
|
return NULL;
|
if (bfd_read ((PTR) module[i].name, 1, record.module_name_size,
|
if (bfd_read ((PTR) module[i].name, 1, record.module_name_size,
|
abfd)
|
abfd)
|
!= record.module_name_size)
|
!= record.module_name_size)
|
return NULL;
|
return NULL;
|
module[i].name[record.module_name_size] = 0;
|
module[i].name[record.module_name_size] = 0;
|
filepos +=
|
filepos +=
|
sizeof (record_ext) +
|
sizeof (record_ext) +
|
record.dep_count * 4 +
|
record.dep_count * 4 +
|
record.module_name_size + 1;
|
record.module_name_size + 1;
|
|
|
}
|
}
|
|
|
|
|
module[i].size = record.mod_size;
|
module[i].size = record.mod_size;
|
module[i].pos = record.file_offset;
|
module[i].pos = record.file_offset;
|
module[i].abfd = 0;
|
module[i].abfd = 0;
|
}
|
}
|
|
|
}
|
}
|
return abfd->xvec;
|
return abfd->xvec;
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_mkobject (abfd)
|
oasys_mkobject (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
|
|
abfd->tdata.oasys_obj_data = (oasys_data_type *) bfd_alloc (abfd, sizeof (oasys_data_type));
|
abfd->tdata.oasys_obj_data = (oasys_data_type *) bfd_alloc (abfd, sizeof (oasys_data_type));
|
return abfd->tdata.oasys_obj_data ? true : false;
|
return abfd->tdata.oasys_obj_data ? true : false;
|
}
|
}
|
|
|
#define MAX_SECS 16
|
#define MAX_SECS 16
|
static const bfd_target *
|
static const bfd_target *
|
oasys_object_p (abfd)
|
oasys_object_p (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
oasys_data_type *oasys;
|
oasys_data_type *oasys;
|
oasys_data_type *save = OASYS_DATA (abfd);
|
oasys_data_type *save = OASYS_DATA (abfd);
|
boolean loop = true;
|
boolean loop = true;
|
boolean had_usefull = false;
|
boolean had_usefull = false;
|
|
|
abfd->tdata.oasys_obj_data = 0;
|
abfd->tdata.oasys_obj_data = 0;
|
oasys_mkobject (abfd);
|
oasys_mkobject (abfd);
|
oasys = OASYS_DATA (abfd);
|
oasys = OASYS_DATA (abfd);
|
memset ((PTR) oasys->sections, 0xff, sizeof (oasys->sections));
|
memset ((PTR) oasys->sections, 0xff, sizeof (oasys->sections));
|
|
|
/* Point to the start of the file */
|
/* Point to the start of the file */
|
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
goto fail;
|
goto fail;
|
oasys->symbol_string_length = 0;
|
oasys->symbol_string_length = 0;
|
/* Inspect the records, but only keep the section info -
|
/* Inspect the records, but only keep the section info -
|
remember the size of the symbols
|
remember the size of the symbols
|
*/
|
*/
|
oasys->first_data_record = 0;
|
oasys->first_data_record = 0;
|
while (loop)
|
while (loop)
|
{
|
{
|
oasys_record_union_type record;
|
oasys_record_union_type record;
|
if (! oasys_read_record (abfd, &record))
|
if (! oasys_read_record (abfd, &record))
|
goto fail;
|
goto fail;
|
if ((size_t) record.header.length < (size_t) sizeof (record.header))
|
if ((size_t) record.header.length < (size_t) sizeof (record.header))
|
goto fail;
|
goto fail;
|
|
|
|
|
switch ((oasys_record_enum_type) (record.header.type))
|
switch ((oasys_record_enum_type) (record.header.type))
|
{
|
{
|
case oasys_record_is_header_enum:
|
case oasys_record_is_header_enum:
|
had_usefull = true;
|
had_usefull = true;
|
break;
|
break;
|
case oasys_record_is_symbol_enum:
|
case oasys_record_is_symbol_enum:
|
case oasys_record_is_local_enum:
|
case oasys_record_is_local_enum:
|
/* Count symbols and remember their size for a future malloc */
|
/* Count symbols and remember their size for a future malloc */
|
abfd->symcount++;
|
abfd->symcount++;
|
oasys->symbol_string_length += 1 + oasys_string_length (&record);
|
oasys->symbol_string_length += 1 + oasys_string_length (&record);
|
had_usefull = true;
|
had_usefull = true;
|
break;
|
break;
|
case oasys_record_is_section_enum:
|
case oasys_record_is_section_enum:
|
{
|
{
|
asection *s;
|
asection *s;
|
char *buffer;
|
char *buffer;
|
unsigned int section_number;
|
unsigned int section_number;
|
if (record.section.header.length != sizeof (record.section))
|
if (record.section.header.length != sizeof (record.section))
|
{
|
{
|
goto fail;
|
goto fail;
|
}
|
}
|
buffer = bfd_alloc (abfd, 3);
|
buffer = bfd_alloc (abfd, 3);
|
if (!buffer)
|
if (!buffer)
|
goto fail;
|
goto fail;
|
section_number = record.section.relb & RELOCATION_SECT_BITS;
|
section_number = record.section.relb & RELOCATION_SECT_BITS;
|
sprintf (buffer, "%u", section_number);
|
sprintf (buffer, "%u", section_number);
|
s = bfd_make_section (abfd, buffer);
|
s = bfd_make_section (abfd, buffer);
|
oasys->sections[section_number] = s;
|
oasys->sections[section_number] = s;
|
switch (record.section.relb & RELOCATION_TYPE_BITS)
|
switch (record.section.relb & RELOCATION_TYPE_BITS)
|
{
|
{
|
case RELOCATION_TYPE_ABS:
|
case RELOCATION_TYPE_ABS:
|
case RELOCATION_TYPE_REL:
|
case RELOCATION_TYPE_REL:
|
break;
|
break;
|
case RELOCATION_TYPE_UND:
|
case RELOCATION_TYPE_UND:
|
case RELOCATION_TYPE_COM:
|
case RELOCATION_TYPE_COM:
|
BFD_FAIL ();
|
BFD_FAIL ();
|
}
|
}
|
|
|
s->_raw_size = bfd_h_get_32 (abfd, record.section.value);
|
s->_raw_size = bfd_h_get_32 (abfd, record.section.value);
|
s->vma = bfd_h_get_32 (abfd, record.section.vma);
|
s->vma = bfd_h_get_32 (abfd, record.section.vma);
|
s->flags = 0;
|
s->flags = 0;
|
had_usefull = true;
|
had_usefull = true;
|
}
|
}
|
break;
|
break;
|
case oasys_record_is_data_enum:
|
case oasys_record_is_data_enum:
|
oasys->first_data_record = bfd_tell (abfd) - record.header.length;
|
oasys->first_data_record = bfd_tell (abfd) - record.header.length;
|
case oasys_record_is_debug_enum:
|
case oasys_record_is_debug_enum:
|
case oasys_record_is_module_enum:
|
case oasys_record_is_module_enum:
|
case oasys_record_is_named_section_enum:
|
case oasys_record_is_named_section_enum:
|
case oasys_record_is_end_enum:
|
case oasys_record_is_end_enum:
|
if (had_usefull == false)
|
if (had_usefull == false)
|
goto fail;
|
goto fail;
|
loop = false;
|
loop = false;
|
break;
|
break;
|
default:
|
default:
|
goto fail;
|
goto fail;
|
}
|
}
|
}
|
}
|
oasys->symbols = (asymbol *) NULL;
|
oasys->symbols = (asymbol *) NULL;
|
/*
|
/*
|
Oasys support several architectures, but I can't see a simple way
|
Oasys support several architectures, but I can't see a simple way
|
to discover which one is in a particular file - we'll guess
|
to discover which one is in a particular file - we'll guess
|
*/
|
*/
|
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
|
bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0);
|
if (abfd->symcount != 0)
|
if (abfd->symcount != 0)
|
{
|
{
|
abfd->flags |= HAS_SYMS;
|
abfd->flags |= HAS_SYMS;
|
}
|
}
|
|
|
/*
|
/*
|
We don't know if a section has data until we've read it..
|
We don't know if a section has data until we've read it..
|
*/
|
*/
|
|
|
oasys_slurp_section_data (abfd);
|
oasys_slurp_section_data (abfd);
|
|
|
|
|
return abfd->xvec;
|
return abfd->xvec;
|
|
|
fail:
|
fail:
|
(void) bfd_release (abfd, oasys);
|
(void) bfd_release (abfd, oasys);
|
abfd->tdata.oasys_obj_data = save;
|
abfd->tdata.oasys_obj_data = save;
|
return (const bfd_target *) NULL;
|
return (const bfd_target *) NULL;
|
}
|
}
|
|
|
|
|
static void
|
static void
|
oasys_get_symbol_info (ignore_abfd, symbol, ret)
|
oasys_get_symbol_info (ignore_abfd, symbol, ret)
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
asymbol *symbol;
|
asymbol *symbol;
|
symbol_info *ret;
|
symbol_info *ret;
|
{
|
{
|
bfd_symbol_info (symbol, ret);
|
bfd_symbol_info (symbol, ret);
|
if (!symbol->section)
|
if (!symbol->section)
|
ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
|
ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
|
}
|
}
|
|
|
static void
|
static void
|
oasys_print_symbol (ignore_abfd, afile, symbol, how)
|
oasys_print_symbol (ignore_abfd, afile, symbol, how)
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
PTR afile;
|
PTR afile;
|
asymbol *symbol;
|
asymbol *symbol;
|
bfd_print_symbol_type how;
|
bfd_print_symbol_type how;
|
{
|
{
|
FILE *file = (FILE *) afile;
|
FILE *file = (FILE *) afile;
|
|
|
switch (how)
|
switch (how)
|
{
|
{
|
case bfd_print_symbol_name:
|
case bfd_print_symbol_name:
|
case bfd_print_symbol_more:
|
case bfd_print_symbol_more:
|
fprintf (file, "%s", symbol->name);
|
fprintf (file, "%s", symbol->name);
|
break;
|
break;
|
case bfd_print_symbol_all:
|
case bfd_print_symbol_all:
|
{
|
{
|
CONST char *section_name = symbol->section == (asection *) NULL ?
|
CONST char *section_name = symbol->section == (asection *) NULL ?
|
(CONST char *) "*abs" : symbol->section->name;
|
(CONST char *) "*abs" : symbol->section->name;
|
|
|
bfd_print_symbol_vandf ((PTR) file, symbol);
|
bfd_print_symbol_vandf ((PTR) file, symbol);
|
|
|
fprintf (file, " %-5s %s",
|
fprintf (file, " %-5s %s",
|
section_name,
|
section_name,
|
symbol->name);
|
symbol->name);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
/*
|
/*
|
The howto table is build using the top two bits of a reloc byte to
|
The howto table is build using the top two bits of a reloc byte to
|
index into it. The bits are PCREL,WORD/LONG
|
index into it. The bits are PCREL,WORD/LONG
|
*/
|
*/
|
static reloc_howto_type howto_table[] =
|
static reloc_howto_type howto_table[] =
|
{
|
{
|
|
|
HOWTO (0, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "abs16", true, 0x0000ffff, 0x0000ffff, false),
|
HOWTO (0, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "abs16", true, 0x0000ffff, 0x0000ffff, false),
|
HOWTO (0, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "abs32", true, 0xffffffff, 0xffffffff, false),
|
HOWTO (0, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "abs32", true, 0xffffffff, 0xffffffff, false),
|
HOWTO (0, 0, 1, 16, true, 0, complain_overflow_signed, 0, "pcrel16", true, 0x0000ffff, 0x0000ffff, false),
|
HOWTO (0, 0, 1, 16, true, 0, complain_overflow_signed, 0, "pcrel16", true, 0x0000ffff, 0x0000ffff, false),
|
HOWTO (0, 0, 2, 32, true, 0, complain_overflow_signed, 0, "pcrel32", true, 0xffffffff, 0xffffffff, false)
|
HOWTO (0, 0, 2, 32, true, 0, complain_overflow_signed, 0, "pcrel32", true, 0xffffffff, 0xffffffff, false)
|
};
|
};
|
|
|
/* Read in all the section data and relocation stuff too */
|
/* Read in all the section data and relocation stuff too */
|
static boolean
|
static boolean
|
oasys_slurp_section_data (abfd)
|
oasys_slurp_section_data (abfd)
|
bfd *CONST abfd;
|
bfd *CONST abfd;
|
{
|
{
|
oasys_record_union_type record;
|
oasys_record_union_type record;
|
oasys_data_type *data = OASYS_DATA (abfd);
|
oasys_data_type *data = OASYS_DATA (abfd);
|
boolean loop = true;
|
boolean loop = true;
|
|
|
oasys_per_section_type *per;
|
oasys_per_section_type *per;
|
|
|
asection *s;
|
asection *s;
|
|
|
/* See if the data has been slurped already .. */
|
/* See if the data has been slurped already .. */
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
{
|
{
|
per = oasys_per_section (s);
|
per = oasys_per_section (s);
|
if (per->initialized == true)
|
if (per->initialized == true)
|
return true;
|
return true;
|
}
|
}
|
|
|
if (data->first_data_record == 0)
|
if (data->first_data_record == 0)
|
return true;
|
return true;
|
|
|
if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
|
if (bfd_seek (abfd, data->first_data_record, SEEK_SET) != 0)
|
return false;
|
return false;
|
while (loop)
|
while (loop)
|
{
|
{
|
if (! oasys_read_record (abfd, &record))
|
if (! oasys_read_record (abfd, &record))
|
return false;
|
return false;
|
switch (record.header.type)
|
switch (record.header.type)
|
{
|
{
|
case oasys_record_is_header_enum:
|
case oasys_record_is_header_enum:
|
break;
|
break;
|
case oasys_record_is_data_enum:
|
case oasys_record_is_data_enum:
|
{
|
{
|
|
|
bfd_byte *src = record.data.data;
|
bfd_byte *src = record.data.data;
|
bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
|
bfd_byte *end_src = ((bfd_byte *) & record) + record.header.length;
|
bfd_byte *dst_ptr;
|
bfd_byte *dst_ptr;
|
bfd_byte *dst_base_ptr;
|
bfd_byte *dst_base_ptr;
|
unsigned int relbit;
|
unsigned int relbit;
|
unsigned int count;
|
unsigned int count;
|
asection *section =
|
asection *section =
|
data->sections[record.data.relb & RELOCATION_SECT_BITS];
|
data->sections[record.data.relb & RELOCATION_SECT_BITS];
|
bfd_vma dst_offset;
|
bfd_vma dst_offset;
|
|
|
per = oasys_per_section (section);
|
per = oasys_per_section (section);
|
|
|
if (per->initialized == false)
|
if (per->initialized == false)
|
{
|
{
|
per->data = (bfd_byte *) bfd_zalloc (abfd, section->_raw_size);
|
per->data = (bfd_byte *) bfd_zalloc (abfd, section->_raw_size);
|
if (!per->data)
|
if (!per->data)
|
return false;
|
return false;
|
per->reloc_tail_ptr = (oasys_reloc_type **) & (section->relocation);
|
per->reloc_tail_ptr = (oasys_reloc_type **) & (section->relocation);
|
per->had_vma = false;
|
per->had_vma = false;
|
per->initialized = true;
|
per->initialized = true;
|
section->reloc_count = 0;
|
section->reloc_count = 0;
|
section->flags = SEC_ALLOC;
|
section->flags = SEC_ALLOC;
|
}
|
}
|
|
|
dst_offset = bfd_h_get_32 (abfd, record.data.addr);
|
dst_offset = bfd_h_get_32 (abfd, record.data.addr);
|
if (per->had_vma == false)
|
if (per->had_vma == false)
|
{
|
{
|
/* Take the first vma we see as the base */
|
/* Take the first vma we see as the base */
|
section->vma = dst_offset;
|
section->vma = dst_offset;
|
per->had_vma = true;
|
per->had_vma = true;
|
}
|
}
|
|
|
dst_offset -= section->vma;
|
dst_offset -= section->vma;
|
|
|
dst_base_ptr = oasys_per_section (section)->data;
|
dst_base_ptr = oasys_per_section (section)->data;
|
dst_ptr = oasys_per_section (section)->data +
|
dst_ptr = oasys_per_section (section)->data +
|
dst_offset;
|
dst_offset;
|
|
|
if (src < end_src)
|
if (src < end_src)
|
{
|
{
|
section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
|
section->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
|
}
|
}
|
while (src < end_src)
|
while (src < end_src)
|
{
|
{
|
unsigned char mod_byte = *src++;
|
unsigned char mod_byte = *src++;
|
size_t gap = end_src - src;
|
size_t gap = end_src - src;
|
|
|
count = 8;
|
count = 8;
|
if (mod_byte == 0 && gap >= 8)
|
if (mod_byte == 0 && gap >= 8)
|
{
|
{
|
dst_ptr[0] = src[0];
|
dst_ptr[0] = src[0];
|
dst_ptr[1] = src[1];
|
dst_ptr[1] = src[1];
|
dst_ptr[2] = src[2];
|
dst_ptr[2] = src[2];
|
dst_ptr[3] = src[3];
|
dst_ptr[3] = src[3];
|
dst_ptr[4] = src[4];
|
dst_ptr[4] = src[4];
|
dst_ptr[5] = src[5];
|
dst_ptr[5] = src[5];
|
dst_ptr[6] = src[6];
|
dst_ptr[6] = src[6];
|
dst_ptr[7] = src[7];
|
dst_ptr[7] = src[7];
|
dst_ptr += 8;
|
dst_ptr += 8;
|
src += 8;
|
src += 8;
|
}
|
}
|
else
|
else
|
{
|
{
|
for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
|
for (relbit = 1; count-- != 0 && src < end_src; relbit <<= 1)
|
{
|
{
|
if (relbit & mod_byte)
|
if (relbit & mod_byte)
|
{
|
{
|
unsigned char reloc = *src;
|
unsigned char reloc = *src;
|
/* This item needs to be relocated */
|
/* This item needs to be relocated */
|
switch (reloc & RELOCATION_TYPE_BITS)
|
switch (reloc & RELOCATION_TYPE_BITS)
|
{
|
{
|
case RELOCATION_TYPE_ABS:
|
case RELOCATION_TYPE_ABS:
|
|
|
break;
|
break;
|
|
|
case RELOCATION_TYPE_REL:
|
case RELOCATION_TYPE_REL:
|
{
|
{
|
/* Relocate the item relative to the section */
|
/* Relocate the item relative to the section */
|
oasys_reloc_type *r =
|
oasys_reloc_type *r =
|
(oasys_reloc_type *)
|
(oasys_reloc_type *)
|
bfd_alloc (abfd,
|
bfd_alloc (abfd,
|
sizeof (oasys_reloc_type));
|
sizeof (oasys_reloc_type));
|
if (!r)
|
if (!r)
|
return false;
|
return false;
|
*(per->reloc_tail_ptr) = r;
|
*(per->reloc_tail_ptr) = r;
|
per->reloc_tail_ptr = &r->next;
|
per->reloc_tail_ptr = &r->next;
|
r->next = (oasys_reloc_type *) NULL;
|
r->next = (oasys_reloc_type *) NULL;
|
/* Reference to undefined symbol */
|
/* Reference to undefined symbol */
|
src++;
|
src++;
|
/* There is no symbol */
|
/* There is no symbol */
|
r->symbol = 0;
|
r->symbol = 0;
|
/* Work out the howto */
|
/* Work out the howto */
|
abort ();
|
abort ();
|
#if 0
|
#if 0
|
r->relent.section =
|
r->relent.section =
|
data->sections[reloc &
|
data->sections[reloc &
|
RELOCATION_SECT_BITS];
|
RELOCATION_SECT_BITS];
|
|
|
r->relent.addend = -
|
r->relent.addend = -
|
r->relent.section->vma;
|
r->relent.section->vma;
|
#endif
|
#endif
|
r->relent.address = dst_ptr - dst_base_ptr;
|
r->relent.address = dst_ptr - dst_base_ptr;
|
r->relent.howto = &howto_table[reloc >> 6];
|
r->relent.howto = &howto_table[reloc >> 6];
|
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
section->reloc_count++;
|
section->reloc_count++;
|
|
|
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
it much easier to convert into other formats. This is done by
|
it much easier to convert into other formats. This is done by
|
hitting the addend.
|
hitting the addend.
|
*/
|
*/
|
if (r->relent.howto->pc_relative == true)
|
if (r->relent.howto->pc_relative == true)
|
{
|
{
|
r->relent.addend -= dst_ptr - dst_base_ptr;
|
r->relent.addend -= dst_ptr - dst_base_ptr;
|
}
|
}
|
|
|
|
|
}
|
}
|
break;
|
break;
|
|
|
|
|
case RELOCATION_TYPE_UND:
|
case RELOCATION_TYPE_UND:
|
{
|
{
|
oasys_reloc_type *r =
|
oasys_reloc_type *r =
|
(oasys_reloc_type *)
|
(oasys_reloc_type *)
|
bfd_alloc (abfd,
|
bfd_alloc (abfd,
|
sizeof (oasys_reloc_type));
|
sizeof (oasys_reloc_type));
|
if (!r)
|
if (!r)
|
return false;
|
return false;
|
*(per->reloc_tail_ptr) = r;
|
*(per->reloc_tail_ptr) = r;
|
per->reloc_tail_ptr = &r->next;
|
per->reloc_tail_ptr = &r->next;
|
r->next = (oasys_reloc_type *) NULL;
|
r->next = (oasys_reloc_type *) NULL;
|
/* Reference to undefined symbol */
|
/* Reference to undefined symbol */
|
src++;
|
src++;
|
/* Get symbol number */
|
/* Get symbol number */
|
r->symbol = (src[0] << 8) | src[1];
|
r->symbol = (src[0] << 8) | src[1];
|
/* Work out the howto */
|
/* Work out the howto */
|
abort ();
|
abort ();
|
|
|
#if 0
|
#if 0
|
r->relent.section = (asection
|
r->relent.section = (asection
|
*) NULL;
|
*) NULL;
|
#endif
|
#endif
|
r->relent.addend = 0;
|
r->relent.addend = 0;
|
r->relent.address = dst_ptr - dst_base_ptr;
|
r->relent.address = dst_ptr - dst_base_ptr;
|
r->relent.howto = &howto_table[reloc >> 6];
|
r->relent.howto = &howto_table[reloc >> 6];
|
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
r->relent.sym_ptr_ptr = (asymbol **) NULL;
|
section->reloc_count++;
|
section->reloc_count++;
|
|
|
src += 2;
|
src += 2;
|
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
/* Fake up the data to look like it's got the -ve pc in it, this makes
|
it much easier to convert into other formats. This is done by
|
it much easier to convert into other formats. This is done by
|
hitting the addend.
|
hitting the addend.
|
*/
|
*/
|
if (r->relent.howto->pc_relative == true)
|
if (r->relent.howto->pc_relative == true)
|
{
|
{
|
r->relent.addend -= dst_ptr - dst_base_ptr;
|
r->relent.addend -= dst_ptr - dst_base_ptr;
|
}
|
}
|
|
|
|
|
|
|
}
|
}
|
break;
|
break;
|
case RELOCATION_TYPE_COM:
|
case RELOCATION_TYPE_COM:
|
BFD_FAIL ();
|
BFD_FAIL ();
|
}
|
}
|
}
|
}
|
*dst_ptr++ = *src++;
|
*dst_ptr++ = *src++;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case oasys_record_is_local_enum:
|
case oasys_record_is_local_enum:
|
case oasys_record_is_symbol_enum:
|
case oasys_record_is_symbol_enum:
|
case oasys_record_is_section_enum:
|
case oasys_record_is_section_enum:
|
break;
|
break;
|
default:
|
default:
|
loop = false;
|
loop = false;
|
}
|
}
|
}
|
}
|
|
|
return true;
|
return true;
|
|
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_new_section_hook (abfd, newsect)
|
oasys_new_section_hook (abfd, newsect)
|
bfd *abfd;
|
bfd *abfd;
|
asection *newsect;
|
asection *newsect;
|
{
|
{
|
newsect->used_by_bfd = (PTR)
|
newsect->used_by_bfd = (PTR)
|
bfd_alloc (abfd, sizeof (oasys_per_section_type));
|
bfd_alloc (abfd, sizeof (oasys_per_section_type));
|
if (!newsect->used_by_bfd)
|
if (!newsect->used_by_bfd)
|
return false;
|
return false;
|
oasys_per_section (newsect)->data = (bfd_byte *) NULL;
|
oasys_per_section (newsect)->data = (bfd_byte *) NULL;
|
oasys_per_section (newsect)->section = newsect;
|
oasys_per_section (newsect)->section = newsect;
|
oasys_per_section (newsect)->offset = 0;
|
oasys_per_section (newsect)->offset = 0;
|
oasys_per_section (newsect)->initialized = false;
|
oasys_per_section (newsect)->initialized = false;
|
newsect->alignment_power = 1;
|
newsect->alignment_power = 1;
|
/* Turn the section string into an index */
|
/* Turn the section string into an index */
|
|
|
sscanf (newsect->name, "%u", &newsect->target_index);
|
sscanf (newsect->name, "%u", &newsect->target_index);
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
static long
|
static long
|
oasys_get_reloc_upper_bound (abfd, asect)
|
oasys_get_reloc_upper_bound (abfd, asect)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr asect;
|
sec_ptr asect;
|
{
|
{
|
if (! oasys_slurp_section_data (abfd))
|
if (! oasys_slurp_section_data (abfd))
|
return -1;
|
return -1;
|
return (asect->reloc_count + 1) * sizeof (arelent *);
|
return (asect->reloc_count + 1) * sizeof (arelent *);
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_get_section_contents (abfd, section, location, offset, count)
|
oasys_get_section_contents (abfd, section, location, offset, count)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr section;
|
sec_ptr section;
|
PTR location;
|
PTR location;
|
file_ptr offset;
|
file_ptr offset;
|
bfd_size_type count;
|
bfd_size_type count;
|
{
|
{
|
oasys_per_section_type *p = (oasys_per_section_type *) section->used_by_bfd;
|
oasys_per_section_type *p = (oasys_per_section_type *) section->used_by_bfd;
|
oasys_slurp_section_data (abfd);
|
oasys_slurp_section_data (abfd);
|
if (p->initialized == false)
|
if (p->initialized == false)
|
{
|
{
|
(void) memset (location, 0, (int) count);
|
(void) memset (location, 0, (int) count);
|
}
|
}
|
else
|
else
|
{
|
{
|
(void) memcpy (location, (PTR) (p->data + offset), (int) count);
|
(void) memcpy (location, (PTR) (p->data + offset), (int) count);
|
}
|
}
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
long
|
long
|
oasys_canonicalize_reloc (ignore_abfd, section, relptr, symbols)
|
oasys_canonicalize_reloc (ignore_abfd, section, relptr, symbols)
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
bfd *ignore_abfd ATTRIBUTE_UNUSED;
|
sec_ptr section;
|
sec_ptr section;
|
arelent **relptr;
|
arelent **relptr;
|
asymbol **symbols ATTRIBUTE_UNUSED;
|
asymbol **symbols ATTRIBUTE_UNUSED;
|
{
|
{
|
unsigned int reloc_count = 0;
|
unsigned int reloc_count = 0;
|
oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
|
oasys_reloc_type *src = (oasys_reloc_type *) (section->relocation);
|
while (src != (oasys_reloc_type *) NULL)
|
while (src != (oasys_reloc_type *) NULL)
|
{
|
{
|
abort ();
|
abort ();
|
|
|
#if 0
|
#if 0
|
if (src->relent.section == (asection *) NULL)
|
if (src->relent.section == (asection *) NULL)
|
{
|
{
|
src->relent.sym_ptr_ptr = symbols + src->symbol;
|
src->relent.sym_ptr_ptr = symbols + src->symbol;
|
}
|
}
|
#endif
|
#endif
|
|
|
*relptr++ = &src->relent;
|
*relptr++ = &src->relent;
|
src = src->next;
|
src = src->next;
|
reloc_count++;
|
reloc_count++;
|
}
|
}
|
*relptr = (arelent *) NULL;
|
*relptr = (arelent *) NULL;
|
return section->reloc_count = reloc_count;
|
return section->reloc_count = reloc_count;
|
}
|
}
|
|
|
|
|
|
|
|
|
/* Writing */
|
/* Writing */
|
|
|
|
|
/* Calculate the checksum and write one record */
|
/* Calculate the checksum and write one record */
|
static boolean
|
static boolean
|
oasys_write_record (abfd, type, record, size)
|
oasys_write_record (abfd, type, record, size)
|
bfd *abfd;
|
bfd *abfd;
|
oasys_record_enum_type type;
|
oasys_record_enum_type type;
|
oasys_record_union_type *record;
|
oasys_record_union_type *record;
|
size_t size;
|
size_t size;
|
{
|
{
|
int checksum;
|
int checksum;
|
size_t i;
|
size_t i;
|
unsigned char *ptr;
|
unsigned char *ptr;
|
|
|
record->header.length = size;
|
record->header.length = size;
|
record->header.type = (int) type;
|
record->header.type = (int) type;
|
record->header.check_sum = 0;
|
record->header.check_sum = 0;
|
record->header.fill = 0;
|
record->header.fill = 0;
|
ptr = (unsigned char *) &record->pad[0];
|
ptr = (unsigned char *) &record->pad[0];
|
checksum = 0;
|
checksum = 0;
|
for (i = 0; i < size; i++)
|
for (i = 0; i < size; i++)
|
{
|
{
|
checksum += *ptr++;
|
checksum += *ptr++;
|
}
|
}
|
record->header.check_sum = 0xff & (-checksum);
|
record->header.check_sum = 0xff & (-checksum);
|
if (bfd_write ((PTR) record, 1, size, abfd) != size)
|
if (bfd_write ((PTR) record, 1, size, abfd) != size)
|
return false;
|
return false;
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
/* Write out all the symbols */
|
/* Write out all the symbols */
|
static boolean
|
static boolean
|
oasys_write_syms (abfd)
|
oasys_write_syms (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
unsigned int count;
|
unsigned int count;
|
asymbol **generic = bfd_get_outsymbols (abfd);
|
asymbol **generic = bfd_get_outsymbols (abfd);
|
unsigned int index = 0;
|
unsigned int index = 0;
|
for (count = 0; count < bfd_get_symcount (abfd); count++)
|
for (count = 0; count < bfd_get_symcount (abfd); count++)
|
{
|
{
|
|
|
oasys_symbol_record_type symbol;
|
oasys_symbol_record_type symbol;
|
asymbol *CONST g = generic[count];
|
asymbol *CONST g = generic[count];
|
|
|
CONST char *src = g->name;
|
CONST char *src = g->name;
|
char *dst = symbol.name;
|
char *dst = symbol.name;
|
unsigned int l = 0;
|
unsigned int l = 0;
|
|
|
if (bfd_is_com_section (g->section))
|
if (bfd_is_com_section (g->section))
|
{
|
{
|
symbol.relb = RELOCATION_TYPE_COM;
|
symbol.relb = RELOCATION_TYPE_COM;
|
bfd_h_put_16 (abfd, index, symbol.refno);
|
bfd_h_put_16 (abfd, index, symbol.refno);
|
index++;
|
index++;
|
}
|
}
|
else if (bfd_is_abs_section (g->section))
|
else if (bfd_is_abs_section (g->section))
|
{
|
{
|
symbol.relb = RELOCATION_TYPE_ABS;
|
symbol.relb = RELOCATION_TYPE_ABS;
|
bfd_h_put_16 (abfd, 0, symbol.refno);
|
bfd_h_put_16 (abfd, 0, symbol.refno);
|
|
|
}
|
}
|
else if (bfd_is_und_section (g->section))
|
else if (bfd_is_und_section (g->section))
|
{
|
{
|
symbol.relb = RELOCATION_TYPE_UND;
|
symbol.relb = RELOCATION_TYPE_UND;
|
bfd_h_put_16 (abfd, index, symbol.refno);
|
bfd_h_put_16 (abfd, index, symbol.refno);
|
/* Overload the value field with the output index number */
|
/* Overload the value field with the output index number */
|
index++;
|
index++;
|
}
|
}
|
else if (g->flags & BSF_DEBUGGING)
|
else if (g->flags & BSF_DEBUGGING)
|
{
|
{
|
/* throw it away */
|
/* throw it away */
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (g->section == (asection *) NULL)
|
if (g->section == (asection *) NULL)
|
{
|
{
|
/* Sometime, the oasys tools give out a symbol with illegal
|
/* Sometime, the oasys tools give out a symbol with illegal
|
bits in it, we'll output it in the same broken way */
|
bits in it, we'll output it in the same broken way */
|
|
|
symbol.relb = RELOCATION_TYPE_REL | 0;
|
symbol.relb = RELOCATION_TYPE_REL | 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
|
symbol.relb = RELOCATION_TYPE_REL | g->section->output_section->target_index;
|
}
|
}
|
bfd_h_put_16 (abfd, 0, symbol.refno);
|
bfd_h_put_16 (abfd, 0, symbol.refno);
|
}
|
}
|
#ifdef UNDERSCORE_HACK
|
#ifdef UNDERSCORE_HACK
|
if (src[l] == '_')
|
if (src[l] == '_')
|
dst[l++] = '.';
|
dst[l++] = '.';
|
#endif
|
#endif
|
while (src[l])
|
while (src[l])
|
{
|
{
|
dst[l] = src[l];
|
dst[l] = src[l];
|
l++;
|
l++;
|
}
|
}
|
|
|
bfd_h_put_32 (abfd, g->value, symbol.value);
|
bfd_h_put_32 (abfd, g->value, symbol.value);
|
|
|
|
|
if (g->flags & BSF_LOCAL)
|
if (g->flags & BSF_LOCAL)
|
{
|
{
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_local_enum,
|
oasys_record_is_local_enum,
|
(oasys_record_union_type *) & symbol,
|
(oasys_record_union_type *) & symbol,
|
offsetof (oasys_symbol_record_type,
|
offsetof (oasys_symbol_record_type,
|
name[0]) + l))
|
name[0]) + l))
|
return false;
|
return false;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_symbol_enum,
|
oasys_record_is_symbol_enum,
|
(oasys_record_union_type *) & symbol,
|
(oasys_record_union_type *) & symbol,
|
offsetof (oasys_symbol_record_type,
|
offsetof (oasys_symbol_record_type,
|
name[0]) + l))
|
name[0]) + l))
|
return false;
|
return false;
|
}
|
}
|
g->value = index - 1;
|
g->value = index - 1;
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
/* Write a section header for each section */
|
/* Write a section header for each section */
|
static boolean
|
static boolean
|
oasys_write_sections (abfd)
|
oasys_write_sections (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
asection *s;
|
asection *s;
|
static oasys_section_record_type out;
|
static oasys_section_record_type out;
|
|
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
{
|
{
|
if (!isdigit ((unsigned char) s->name[0]))
|
if (!isdigit ((unsigned char) s->name[0]))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%s: can not represent section `%s' in oasys"),
|
(_("%s: can not represent section `%s' in oasys"),
|
bfd_get_filename (abfd), s->name);
|
bfd_get_filename (abfd), s->name);
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
return false;
|
return false;
|
}
|
}
|
out.relb = RELOCATION_TYPE_REL | s->target_index;
|
out.relb = RELOCATION_TYPE_REL | s->target_index;
|
bfd_h_put_32 (abfd, s->_cooked_size, out.value);
|
bfd_h_put_32 (abfd, s->_cooked_size, out.value);
|
bfd_h_put_32 (abfd, s->vma, out.vma);
|
bfd_h_put_32 (abfd, s->vma, out.vma);
|
|
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_section_enum,
|
oasys_record_is_section_enum,
|
(oasys_record_union_type *) & out,
|
(oasys_record_union_type *) & out,
|
sizeof (out)))
|
sizeof (out)))
|
return false;
|
return false;
|
}
|
}
|
return true;
|
return true;
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_write_header (abfd)
|
oasys_write_header (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
/* Create and write the header */
|
/* Create and write the header */
|
oasys_header_record_type r;
|
oasys_header_record_type r;
|
size_t length = strlen (abfd->filename);
|
size_t length = strlen (abfd->filename);
|
if (length > (size_t) sizeof (r.module_name))
|
if (length > (size_t) sizeof (r.module_name))
|
{
|
{
|
length = sizeof (r.module_name);
|
length = sizeof (r.module_name);
|
}
|
}
|
|
|
(void) memcpy (r.module_name,
|
(void) memcpy (r.module_name,
|
abfd->filename,
|
abfd->filename,
|
length);
|
length);
|
(void) memset (r.module_name + length,
|
(void) memset (r.module_name + length,
|
' ',
|
' ',
|
sizeof (r.module_name) - length);
|
sizeof (r.module_name) - length);
|
|
|
r.version_number = OASYS_VERSION_NUMBER;
|
r.version_number = OASYS_VERSION_NUMBER;
|
r.rev_number = OASYS_REV_NUMBER;
|
r.rev_number = OASYS_REV_NUMBER;
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_header_enum,
|
oasys_record_is_header_enum,
|
(oasys_record_union_type *) & r,
|
(oasys_record_union_type *) & r,
|
offsetof (oasys_header_record_type,
|
offsetof (oasys_header_record_type,
|
description[0])))
|
description[0])))
|
return false;
|
return false;
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_write_end (abfd)
|
oasys_write_end (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
oasys_end_record_type end;
|
oasys_end_record_type end;
|
unsigned char null = 0;
|
unsigned char null = 0;
|
end.relb = RELOCATION_TYPE_ABS;
|
end.relb = RELOCATION_TYPE_ABS;
|
bfd_h_put_32 (abfd, abfd->start_address, end.entry);
|
bfd_h_put_32 (abfd, abfd->start_address, end.entry);
|
bfd_h_put_16 (abfd, 0, end.fill);
|
bfd_h_put_16 (abfd, 0, end.fill);
|
end.zero = 0;
|
end.zero = 0;
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_end_enum,
|
oasys_record_is_end_enum,
|
(oasys_record_union_type *) & end,
|
(oasys_record_union_type *) & end,
|
sizeof (end)))
|
sizeof (end)))
|
return false;
|
return false;
|
if (bfd_write ((PTR) & null, 1, 1, abfd) != 1)
|
if (bfd_write ((PTR) & null, 1, 1, abfd) != 1)
|
return false;
|
return false;
|
return true;
|
return true;
|
}
|
}
|
|
|
static int
|
static int
|
comp (ap, bp)
|
comp (ap, bp)
|
CONST PTR ap;
|
CONST PTR ap;
|
CONST PTR bp;
|
CONST PTR bp;
|
{
|
{
|
arelent *a = *((arelent **) ap);
|
arelent *a = *((arelent **) ap);
|
arelent *b = *((arelent **) bp);
|
arelent *b = *((arelent **) bp);
|
return a->address - b->address;
|
return a->address - b->address;
|
}
|
}
|
|
|
/*
|
/*
|
Writing data..
|
Writing data..
|
|
|
*/
|
*/
|
static boolean
|
static boolean
|
oasys_write_data (abfd)
|
oasys_write_data (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
asection *s;
|
asection *s;
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
{
|
{
|
if (s->flags & SEC_LOAD)
|
if (s->flags & SEC_LOAD)
|
{
|
{
|
bfd_byte *raw_data = oasys_per_section (s)->data;
|
bfd_byte *raw_data = oasys_per_section (s)->data;
|
oasys_data_record_type processed_data;
|
oasys_data_record_type processed_data;
|
bfd_size_type current_byte_index = 0;
|
bfd_size_type current_byte_index = 0;
|
unsigned int relocs_to_go = s->reloc_count;
|
unsigned int relocs_to_go = s->reloc_count;
|
arelent **p = s->orelocation;
|
arelent **p = s->orelocation;
|
if (s->reloc_count != 0)
|
if (s->reloc_count != 0)
|
{
|
{
|
/* Sort the reloc records so it's easy to insert the relocs into the
|
/* Sort the reloc records so it's easy to insert the relocs into the
|
data */
|
data */
|
|
|
qsort (s->orelocation,
|
qsort (s->orelocation,
|
s->reloc_count,
|
s->reloc_count,
|
sizeof (arelent **),
|
sizeof (arelent **),
|
comp);
|
comp);
|
}
|
}
|
current_byte_index = 0;
|
current_byte_index = 0;
|
processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
|
processed_data.relb = s->target_index | RELOCATION_TYPE_REL;
|
|
|
while (current_byte_index < s->_cooked_size)
|
while (current_byte_index < s->_cooked_size)
|
{
|
{
|
/* Scan forwards by eight bytes or however much is left and see if
|
/* Scan forwards by eight bytes or however much is left and see if
|
there are any relocations going on */
|
there are any relocations going on */
|
bfd_byte *mod = &processed_data.data[0];
|
bfd_byte *mod = &processed_data.data[0];
|
bfd_byte *dst = &processed_data.data[1];
|
bfd_byte *dst = &processed_data.data[1];
|
|
|
unsigned int i = 0;
|
unsigned int i = 0;
|
*mod = 0;
|
*mod = 0;
|
|
|
|
|
bfd_h_put_32 (abfd, s->vma + current_byte_index,
|
bfd_h_put_32 (abfd, s->vma + current_byte_index,
|
processed_data.addr);
|
processed_data.addr);
|
|
|
/* Don't start a relocation unless you're sure you can finish it
|
/* Don't start a relocation unless you're sure you can finish it
|
within the same data record. The worst case relocation is a
|
within the same data record. The worst case relocation is a
|
4-byte relocatable value which is split across two modification
|
4-byte relocatable value which is split across two modification
|
bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
|
bytes (1 relocation byte + 2 symbol reference bytes + 2 data +
|
1 modification byte + 2 data = 8 bytes total). That's where
|
1 modification byte + 2 data = 8 bytes total). That's where
|
the magic number 8 comes from.
|
the magic number 8 comes from.
|
*/
|
*/
|
while (current_byte_index < s->_raw_size && dst <=
|
while (current_byte_index < s->_raw_size && dst <=
|
&processed_data.data[sizeof (processed_data.data) - 8])
|
&processed_data.data[sizeof (processed_data.data) - 8])
|
{
|
{
|
|
|
|
|
if (relocs_to_go != 0)
|
if (relocs_to_go != 0)
|
{
|
{
|
arelent *r = *p;
|
arelent *r = *p;
|
reloc_howto_type *const how = r->howto;
|
reloc_howto_type *const how = r->howto;
|
/* There is a relocation, is it for this byte ? */
|
/* There is a relocation, is it for this byte ? */
|
if (r->address == current_byte_index)
|
if (r->address == current_byte_index)
|
{
|
{
|
unsigned char rel_byte;
|
unsigned char rel_byte;
|
|
|
p++;
|
p++;
|
relocs_to_go--;
|
relocs_to_go--;
|
|
|
*mod |= (1 << i);
|
*mod |= (1 << i);
|
if (how->pc_relative)
|
if (how->pc_relative)
|
{
|
{
|
rel_byte = RELOCATION_PCREL_BIT;
|
rel_byte = RELOCATION_PCREL_BIT;
|
|
|
/* Also patch the raw data so that it doesn't have
|
/* Also patch the raw data so that it doesn't have
|
the -ve stuff any more */
|
the -ve stuff any more */
|
if (how->size != 2)
|
if (how->size != 2)
|
{
|
{
|
bfd_put_16 (abfd,
|
bfd_put_16 (abfd,
|
bfd_get_16 (abfd, raw_data) +
|
bfd_get_16 (abfd, raw_data) +
|
current_byte_index, raw_data);
|
current_byte_index, raw_data);
|
}
|
}
|
|
|
else
|
else
|
{
|
{
|
bfd_put_32 (abfd,
|
bfd_put_32 (abfd,
|
bfd_get_32 (abfd, raw_data) +
|
bfd_get_32 (abfd, raw_data) +
|
current_byte_index, raw_data);
|
current_byte_index, raw_data);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
rel_byte = 0;
|
rel_byte = 0;
|
}
|
}
|
if (how->size == 2)
|
if (how->size == 2)
|
{
|
{
|
rel_byte |= RELOCATION_32BIT_BIT;
|
rel_byte |= RELOCATION_32BIT_BIT;
|
}
|
}
|
|
|
/* Is this a section relative relocation, or a symbol
|
/* Is this a section relative relocation, or a symbol
|
relative relocation ? */
|
relative relocation ? */
|
abort ();
|
abort ();
|
|
|
#if 0
|
#if 0
|
if (r->section != (asection *) NULL)
|
if (r->section != (asection *) NULL)
|
{
|
{
|
/* The relent has a section attached, so it must be section
|
/* The relent has a section attached, so it must be section
|
relative */
|
relative */
|
rel_byte |= RELOCATION_TYPE_REL;
|
rel_byte |= RELOCATION_TYPE_REL;
|
rel_byte |= r->section->output_section->target_index;
|
rel_byte |= r->section->output_section->target_index;
|
*dst++ = rel_byte;
|
*dst++ = rel_byte;
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
asymbol *p = *(r->sym_ptr_ptr);
|
asymbol *p = *(r->sym_ptr_ptr);
|
|
|
/* If this symbol has a section attached, then it
|
/* If this symbol has a section attached, then it
|
has already been resolved. Change from a symbol
|
has already been resolved. Change from a symbol
|
ref to a section ref */
|
ref to a section ref */
|
if (p->section != (asection *) NULL)
|
if (p->section != (asection *) NULL)
|
{
|
{
|
rel_byte |= RELOCATION_TYPE_REL;
|
rel_byte |= RELOCATION_TYPE_REL;
|
rel_byte |=
|
rel_byte |=
|
p->section->output_section->target_index;
|
p->section->output_section->target_index;
|
*dst++ = rel_byte;
|
*dst++ = rel_byte;
|
}
|
}
|
else
|
else
|
{
|
{
|
rel_byte |= RELOCATION_TYPE_UND;
|
rel_byte |= RELOCATION_TYPE_UND;
|
*dst++ = rel_byte;
|
*dst++ = rel_byte;
|
/* Next two bytes are a symbol index - we can get
|
/* Next two bytes are a symbol index - we can get
|
this from the symbol value which has been zapped
|
this from the symbol value which has been zapped
|
into the symbol index in the table when the
|
into the symbol index in the table when the
|
symbol table was written
|
symbol table was written
|
*/
|
*/
|
*dst++ = p->value >> 8;
|
*dst++ = p->value >> 8;
|
*dst++ = p->value;
|
*dst++ = p->value;
|
}
|
}
|
}
|
}
|
#define ADVANCE { if (++i >= 8) { i = 0; mod = dst++; *mod = 0; } current_byte_index++; }
|
#define ADVANCE { if (++i >= 8) { i = 0; mod = dst++; *mod = 0; } current_byte_index++; }
|
/* relocations never occur from an unloadable section,
|
/* relocations never occur from an unloadable section,
|
so we can assume that raw_data is not NULL
|
so we can assume that raw_data is not NULL
|
*/
|
*/
|
*dst++ = *raw_data++;
|
*dst++ = *raw_data++;
|
ADVANCE
|
ADVANCE
|
* dst++ = *raw_data++;
|
* dst++ = *raw_data++;
|
ADVANCE
|
ADVANCE
|
if (how->size == 2)
|
if (how->size == 2)
|
{
|
{
|
*dst++ = *raw_data++;
|
*dst++ = *raw_data++;
|
ADVANCE
|
ADVANCE
|
* dst++ = *raw_data++;
|
* dst++ = *raw_data++;
|
ADVANCE
|
ADVANCE
|
}
|
}
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
/* If this is coming from an unloadable section then copy
|
/* If this is coming from an unloadable section then copy
|
zeros */
|
zeros */
|
if (raw_data == NULL)
|
if (raw_data == NULL)
|
{
|
{
|
*dst++ = 0;
|
*dst++ = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
*dst++ = *raw_data++;
|
*dst++ = *raw_data++;
|
}
|
}
|
ADVANCE
|
ADVANCE
|
}
|
}
|
|
|
/* Don't write a useless null modification byte */
|
/* Don't write a useless null modification byte */
|
if (dst == mod + 1)
|
if (dst == mod + 1)
|
{
|
{
|
--dst;
|
--dst;
|
}
|
}
|
|
|
if (! oasys_write_record (abfd,
|
if (! oasys_write_record (abfd,
|
oasys_record_is_data_enum,
|
oasys_record_is_data_enum,
|
((oasys_record_union_type *)
|
((oasys_record_union_type *)
|
& processed_data),
|
& processed_data),
|
dst - (bfd_byte *) & processed_data))
|
dst - (bfd_byte *) & processed_data))
|
return false;
|
return false;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_write_object_contents (abfd)
|
oasys_write_object_contents (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
if (! oasys_write_header (abfd))
|
if (! oasys_write_header (abfd))
|
return false;
|
return false;
|
if (! oasys_write_syms (abfd))
|
if (! oasys_write_syms (abfd))
|
return false;
|
return false;
|
if (! oasys_write_sections (abfd))
|
if (! oasys_write_sections (abfd))
|
return false;
|
return false;
|
if (! oasys_write_data (abfd))
|
if (! oasys_write_data (abfd))
|
return false;
|
return false;
|
if (! oasys_write_end (abfd))
|
if (! oasys_write_end (abfd))
|
return false;
|
return false;
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
|
|
|
|
/** exec and core file sections */
|
/** exec and core file sections */
|
|
|
/* set section contents is complicated with OASYS since the format is
|
/* set section contents is complicated with OASYS since the format is
|
* not a byte image, but a record stream.
|
* not a byte image, but a record stream.
|
*/
|
*/
|
static boolean
|
static boolean
|
oasys_set_section_contents (abfd, section, location, offset, count)
|
oasys_set_section_contents (abfd, section, location, offset, count)
|
bfd *abfd;
|
bfd *abfd;
|
sec_ptr section;
|
sec_ptr section;
|
PTR location;
|
PTR location;
|
file_ptr offset;
|
file_ptr offset;
|
bfd_size_type count;
|
bfd_size_type count;
|
{
|
{
|
if (count != 0)
|
if (count != 0)
|
{
|
{
|
if (oasys_per_section (section)->data == (bfd_byte *) NULL)
|
if (oasys_per_section (section)->data == (bfd_byte *) NULL)
|
{
|
{
|
oasys_per_section (section)->data =
|
oasys_per_section (section)->data =
|
(bfd_byte *) (bfd_alloc (abfd, section->_cooked_size));
|
(bfd_byte *) (bfd_alloc (abfd, section->_cooked_size));
|
if (!oasys_per_section (section)->data)
|
if (!oasys_per_section (section)->data)
|
return false;
|
return false;
|
}
|
}
|
(void) memcpy ((PTR) (oasys_per_section (section)->data + offset),
|
(void) memcpy ((PTR) (oasys_per_section (section)->data + offset),
|
location,
|
location,
|
(size_t) count);
|
(size_t) count);
|
}
|
}
|
return true;
|
return true;
|
}
|
}
|
|
|
|
|
|
|
/* Native-level interface to symbols. */
|
/* Native-level interface to symbols. */
|
|
|
/* We read the symbols into a buffer, which is discarded when this
|
/* We read the symbols into a buffer, which is discarded when this
|
function exits. We read the strings into a buffer large enough to
|
function exits. We read the strings into a buffer large enough to
|
hold them all plus all the cached symbol entries. */
|
hold them all plus all the cached symbol entries. */
|
|
|
static asymbol *
|
static asymbol *
|
oasys_make_empty_symbol (abfd)
|
oasys_make_empty_symbol (abfd)
|
bfd *abfd;
|
bfd *abfd;
|
{
|
{
|
|
|
oasys_symbol_type *new =
|
oasys_symbol_type *new =
|
(oasys_symbol_type *) bfd_zalloc (abfd, sizeof (oasys_symbol_type));
|
(oasys_symbol_type *) bfd_zalloc (abfd, sizeof (oasys_symbol_type));
|
if (!new)
|
if (!new)
|
return NULL;
|
return NULL;
|
new->symbol.the_bfd = abfd;
|
new->symbol.the_bfd = abfd;
|
return &new->symbol;
|
return &new->symbol;
|
}
|
}
|
|
|
|
|
|
|
|
|
/* User should have checked the file flags; perhaps we should return
|
/* User should have checked the file flags; perhaps we should return
|
BFD_NO_MORE_SYMBOLS if there are none? */
|
BFD_NO_MORE_SYMBOLS if there are none? */
|
|
|
static bfd *
|
static bfd *
|
oasys_openr_next_archived_file (arch, prev)
|
oasys_openr_next_archived_file (arch, prev)
|
bfd *arch;
|
bfd *arch;
|
bfd *prev;
|
bfd *prev;
|
{
|
{
|
oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
|
oasys_ar_data_type *ar = OASYS_AR_DATA (arch);
|
oasys_module_info_type *p;
|
oasys_module_info_type *p;
|
/* take the next one from the arch state, or reset */
|
/* take the next one from the arch state, or reset */
|
if (prev == (bfd *) NULL)
|
if (prev == (bfd *) NULL)
|
{
|
{
|
/* Reset the index - the first two entries are bogus*/
|
/* Reset the index - the first two entries are bogus*/
|
ar->module_index = 0;
|
ar->module_index = 0;
|
}
|
}
|
|
|
p = ar->module + ar->module_index;
|
p = ar->module + ar->module_index;
|
ar->module_index++;
|
ar->module_index++;
|
|
|
if (ar->module_index <= ar->module_count)
|
if (ar->module_index <= ar->module_count)
|
{
|
{
|
if (p->abfd == (bfd *) NULL)
|
if (p->abfd == (bfd *) NULL)
|
{
|
{
|
p->abfd = _bfd_create_empty_archive_element_shell (arch);
|
p->abfd = _bfd_create_empty_archive_element_shell (arch);
|
p->abfd->origin = p->pos;
|
p->abfd->origin = p->pos;
|
p->abfd->filename = p->name;
|
p->abfd->filename = p->name;
|
|
|
/* Fixup a pointer to this element for the member */
|
/* Fixup a pointer to this element for the member */
|
p->abfd->arelt_data = (PTR) p;
|
p->abfd->arelt_data = (PTR) p;
|
}
|
}
|
return p->abfd;
|
return p->abfd;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_set_error (bfd_error_no_more_archived_files);
|
bfd_set_error (bfd_error_no_more_archived_files);
|
return (bfd *) NULL;
|
return (bfd *) NULL;
|
}
|
}
|
}
|
}
|
|
|
static boolean
|
static boolean
|
oasys_find_nearest_line (abfd,
|
oasys_find_nearest_line (abfd,
|
section,
|
section,
|
symbols,
|
symbols,
|
offset,
|
offset,
|
filename_ptr,
|
filename_ptr,
|
functionname_ptr,
|
functionname_ptr,
|
line_ptr)
|
line_ptr)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
asection *section ATTRIBUTE_UNUSED;
|
asection *section ATTRIBUTE_UNUSED;
|
asymbol **symbols ATTRIBUTE_UNUSED;
|
asymbol **symbols ATTRIBUTE_UNUSED;
|
bfd_vma offset ATTRIBUTE_UNUSED;
|
bfd_vma offset ATTRIBUTE_UNUSED;
|
char **filename_ptr ATTRIBUTE_UNUSED;
|
char **filename_ptr ATTRIBUTE_UNUSED;
|
char **functionname_ptr ATTRIBUTE_UNUSED;
|
char **functionname_ptr ATTRIBUTE_UNUSED;
|
unsigned int *line_ptr ATTRIBUTE_UNUSED;
|
unsigned int *line_ptr ATTRIBUTE_UNUSED;
|
{
|
{
|
return false;
|
return false;
|
|
|
}
|
}
|
|
|
static int
|
static int
|
oasys_generic_stat_arch_elt (abfd, buf)
|
oasys_generic_stat_arch_elt (abfd, buf)
|
bfd *abfd;
|
bfd *abfd;
|
struct stat *buf;
|
struct stat *buf;
|
{
|
{
|
oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
|
oasys_module_info_type *mod = (oasys_module_info_type *) abfd->arelt_data;
|
if (mod == (oasys_module_info_type *) NULL)
|
if (mod == (oasys_module_info_type *) NULL)
|
{
|
{
|
bfd_set_error (bfd_error_invalid_operation);
|
bfd_set_error (bfd_error_invalid_operation);
|
return -1;
|
return -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
buf->st_size = mod->size;
|
buf->st_size = mod->size;
|
buf->st_mode = 0666;
|
buf->st_mode = 0666;
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
static int
|
static int
|
oasys_sizeof_headers (abfd, exec)
|
oasys_sizeof_headers (abfd, exec)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
boolean exec ATTRIBUTE_UNUSED;
|
boolean exec ATTRIBUTE_UNUSED;
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
#define oasys_close_and_cleanup _bfd_generic_close_and_cleanup
|
#define oasys_close_and_cleanup _bfd_generic_close_and_cleanup
|
#define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
|
#define oasys_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
|
|
|
#define oasys_slurp_armap bfd_true
|
#define oasys_slurp_armap bfd_true
|
#define oasys_slurp_extended_name_table bfd_true
|
#define oasys_slurp_extended_name_table bfd_true
|
#define oasys_construct_extended_name_table \
|
#define oasys_construct_extended_name_table \
|
((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
|
((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
|
bfd_true)
|
bfd_true)
|
#define oasys_truncate_arname bfd_dont_truncate_arname
|
#define oasys_truncate_arname bfd_dont_truncate_arname
|
#define oasys_write_armap \
|
#define oasys_write_armap \
|
((boolean (*) \
|
((boolean (*) \
|
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
|
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
|
bfd_true)
|
bfd_true)
|
#define oasys_read_ar_hdr bfd_nullvoidptr
|
#define oasys_read_ar_hdr bfd_nullvoidptr
|
#define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
|
#define oasys_get_elt_at_index _bfd_generic_get_elt_at_index
|
#define oasys_update_armap_timestamp bfd_true
|
#define oasys_update_armap_timestamp bfd_true
|
|
|
#define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
|
#define oasys_bfd_is_local_label_name bfd_generic_is_local_label_name
|
#define oasys_get_lineno _bfd_nosymbols_get_lineno
|
#define oasys_get_lineno _bfd_nosymbols_get_lineno
|
#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
|
#define oasys_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
|
#define oasys_read_minisymbols _bfd_generic_read_minisymbols
|
#define oasys_read_minisymbols _bfd_generic_read_minisymbols
|
#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
|
#define oasys_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
|
|
|
#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
#define oasys_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
|
|
#define oasys_set_arch_mach bfd_default_set_arch_mach
|
#define oasys_set_arch_mach bfd_default_set_arch_mach
|
|
|
#define oasys_get_section_contents_in_window \
|
#define oasys_get_section_contents_in_window \
|
_bfd_generic_get_section_contents_in_window
|
_bfd_generic_get_section_contents_in_window
|
|
|
#define oasys_bfd_get_relocated_section_contents \
|
#define oasys_bfd_get_relocated_section_contents \
|
bfd_generic_get_relocated_section_contents
|
bfd_generic_get_relocated_section_contents
|
#define oasys_bfd_relax_section bfd_generic_relax_section
|
#define oasys_bfd_relax_section bfd_generic_relax_section
|
#define oasys_bfd_gc_sections bfd_generic_gc_sections
|
#define oasys_bfd_gc_sections bfd_generic_gc_sections
|
#define oasys_bfd_merge_sections bfd_generic_merge_sections
|
#define oasys_bfd_merge_sections bfd_generic_merge_sections
|
#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
#define oasys_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
#define oasys_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
#define oasys_bfd_final_link _bfd_generic_final_link
|
#define oasys_bfd_final_link _bfd_generic_final_link
|
#define oasys_bfd_link_split_section _bfd_generic_link_split_section
|
#define oasys_bfd_link_split_section _bfd_generic_link_split_section
|
|
|
/*SUPPRESS 460 */
|
/*SUPPRESS 460 */
|
const bfd_target oasys_vec =
|
const bfd_target oasys_vec =
|
{
|
{
|
"oasys", /* name */
|
"oasys", /* name */
|
bfd_target_oasys_flavour,
|
bfd_target_oasys_flavour,
|
BFD_ENDIAN_BIG, /* target byte order */
|
BFD_ENDIAN_BIG, /* target byte order */
|
BFD_ENDIAN_BIG, /* target headers byte order */
|
BFD_ENDIAN_BIG, /* target headers byte order */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
(HAS_RELOC | EXEC_P | /* object flags */
|
HAS_LINENO | HAS_DEBUG |
|
HAS_LINENO | HAS_DEBUG |
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
|
(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
|
| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
0, /* leading underscore */
|
0, /* leading underscore */
|
' ', /* ar_pad_char */
|
' ', /* ar_pad_char */
|
16, /* ar_max_namelen */
|
16, /* ar_max_namelen */
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
|
|
{_bfd_dummy_target,
|
{_bfd_dummy_target,
|
oasys_object_p, /* bfd_check_format */
|
oasys_object_p, /* bfd_check_format */
|
oasys_archive_p,
|
oasys_archive_p,
|
_bfd_dummy_target,
|
_bfd_dummy_target,
|
},
|
},
|
{ /* bfd_set_format */
|
{ /* bfd_set_format */
|
bfd_false,
|
bfd_false,
|
oasys_mkobject,
|
oasys_mkobject,
|
_bfd_generic_mkarchive,
|
_bfd_generic_mkarchive,
|
bfd_false
|
bfd_false
|
},
|
},
|
{ /* bfd_write_contents */
|
{ /* bfd_write_contents */
|
bfd_false,
|
bfd_false,
|
oasys_write_object_contents,
|
oasys_write_object_contents,
|
_bfd_write_archive_contents,
|
_bfd_write_archive_contents,
|
bfd_false,
|
bfd_false,
|
},
|
},
|
|
|
BFD_JUMP_TABLE_GENERIC (oasys),
|
BFD_JUMP_TABLE_GENERIC (oasys),
|
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
BFD_JUMP_TABLE_ARCHIVE (oasys),
|
BFD_JUMP_TABLE_ARCHIVE (oasys),
|
BFD_JUMP_TABLE_SYMBOLS (oasys),
|
BFD_JUMP_TABLE_SYMBOLS (oasys),
|
BFD_JUMP_TABLE_RELOCS (oasys),
|
BFD_JUMP_TABLE_RELOCS (oasys),
|
BFD_JUMP_TABLE_WRITE (oasys),
|
BFD_JUMP_TABLE_WRITE (oasys),
|
BFD_JUMP_TABLE_LINK (oasys),
|
BFD_JUMP_TABLE_LINK (oasys),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
|
|
NULL,
|
NULL,
|
|
|
(PTR) 0
|
(PTR) 0
|
};
|
};
|
|
|
