Initial revision
This commit is contained in:
Steve Chamberlain
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113
bfd/coff-m88k.c
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113
bfd/coff-m88k.c
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/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Diddler.
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BFD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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BFD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with BFD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* $Id$ */
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#define M88 1
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#include <ansidecl.h>
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#include <sysdep.h>
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#include "bfd.h"
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#include "libbfd.h"
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#include "libcoff.h"
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#include "m88k-bcs.h"
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static reloc_howto_type howto_table[] =
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{
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/* type rtshift size bitsize pc_rel bitpos abs ovff sf name partial inplace mask*/
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R_PCR16L, 2, 1, 16, true, 0, false, true, 0,"PCR16L", false, 0x0000ffff,
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R_PCR26L, 2, 2, 26, true, 0, false, true, 0,"PCR26L", false, 0x03ffffff,
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R_VRT16, 0, 1, 16, false, 0, false, true, 0,"VRT16", false, 0x0000ffff,
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R_HVRT16,16, 1, 16, false, 0, false, true, 0,"HVRT16", false, 0x0000ffff,
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R_LVRT16, 0, 1, 16, false, 0, false, true, 0,"LVRT16", false, 0x0000ffff,
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R_VRT32, 0, 2, 32, false, 0, false, true, 0,"VRT32", false, 0xffffffff,
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};
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#define BADMAG(x) MC88BADMAG(x)
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#include "coff-code.h"
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bfd_target m88k_bcs_vec =
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{
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"m88k-bcs", /* name */
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bfd_target_coff_flavour_enum,
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false, /* data byte order is little */
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true, /* header byte order is big */
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(HAS_RELOC | EXEC_P | /* object flags */
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HAS_LINENO | HAS_DEBUG |
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HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
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(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
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0, /* valid reloc types */
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'/', /* ar_pad_char */
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15, /* ar_max_namelen */
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coff_close_and_cleanup, /* _close_and_cleanup */
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coff_set_section_contents, /* bfd_set_section_contents */
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coff_get_section_contents, /* bfd_get_section_contents */
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coff_new_section_hook, /* new_section_hook */
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_bfd_dummy_core_file_failing_command, /* _core_file_failing_command */
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_bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */
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_bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */
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bfd_slurp_coff_armap, /* bfd_slurp_armap */
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_bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/
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#if 0 /* */
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bfd_dont_truncate_arname, /* bfd_truncate_arname */
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#else
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bfd_bsd_truncate_arname,
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#endif
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coff_get_symtab_upper_bound, /* get_symtab_upper_bound */
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coff_get_symtab, /* canonicalize_symtab */
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(void (*)())bfd_false, /* bfd_reclaim_symbol_table */
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coff_get_reloc_upper_bound, /* get_reloc_upper_bound */
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coff_canonicalize_reloc, /* bfd_canonicalize_reloc */
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(void (*)())bfd_false, /* bfd_reclaim_reloc */
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coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
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coff_get_first_symbol, /* bfd_get_first_symbol */
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coff_get_next_symbol, /* bfd_get_next_symbol */
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coff_classify_symbol, /* bfd_classify_symbol */
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coff_symbol_hasclass, /* bfd_symbol_hasclass */
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coff_symbol_name, /* bfd_symbol_name */
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coff_symbol_value, /* bfd_symbol_value */
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_do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
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_do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
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{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
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bfd_generic_archive_p, _bfd_dummy_target},
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{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
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bfd_false},
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coff_make_empty_symbol,
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coff_print_symbol,
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coff_get_lineno,
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coff_set_arch_mach,
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coff_write_armap,
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bfd_generic_openr_next_archived_file,
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coff_find_nearest_line,
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bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */
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};
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223
ld/ld-gld68k.c
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ld/ld-gld68k.c
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/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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* $Id:#
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*/
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/*
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* emulate the original gld running on a 68k system
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*
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* Written by Steve Chamberlain steve@cygnus.com
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*/
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#include "sysdep.h"
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#include "bfd.h"
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#include "ld.h"
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#include "config.h"
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#include "ld-emul.h"
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#include "ldfile.h"
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#include "ldmisc.h"
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extern boolean lang_float_flag;
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extern enum bfd_architecture ldfile_output_architecture;
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extern unsigned long ldfile_output_machine;
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extern char *ldfile_output_machine_name;
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extern bfd *output_bfd;
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static void gld68k_before_parse()
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{
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ldfile_add_library_path("/lib");
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ldfile_add_library_path("/usr/lib");
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ldfile_add_library_path("/usr/local/lib/lib");
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ldfile_output_architecture = bfd_arch_m68k;
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}
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static void
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gld68k_after_parse()
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{
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}
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static void
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gld68k_after_allocation()
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{
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}
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static void
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gld68k_before_allocation()
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{
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}
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static void
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gld68k_set_output_arch()
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{
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/* Set the output architecture and machine if possible */
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unsigned long machine = 0;
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bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
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}
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static char *
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gld68k_choose_target()
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{
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char *from_outside = getenv(TARGET_ENVIRON);
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if (from_outside != (char *)NULL)
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return from_outside;
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return GLD68K_TARGET;
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}
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static void
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gld68k_syslib()
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{
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info("%S SYSLIB ignored\n");
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}
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static void
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gld68k_hll(ignore)
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char *ignore;
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{
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info("%S HLL ignored\n");
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}
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static char *gld68k_script = " \
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SEARCH_DIR(/lib) \
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SEARCH_DIR(/usr/lib) \
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SEARCH_DIR(/usr/local/lib) \
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__DYNAMIC = 0; \
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SECTIONS \
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{ \
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.text 0x2020 BLOCK(0x2000): \
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{ \
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CREATE_OBJECT_SYMBOLS \
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*(.text) \
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_etext = ALIGN( 0x2000); \
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} \
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.data ALIGN(0x20000) : \
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{ \
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*(.data) \
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___DTOR_LIST__=. ; \
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LONG((___CTOR_LIST__ - .)/4 -2) \
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*(___DTOR_LIST__) \
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LONG(0) \
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___CTOR_LIST__=. ; \
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LONG((_edata - .)/4 -2) \
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*(___CTOR_LIST__) \
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LONG(0) \
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_edata = .; \
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} \
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.bss SIZEOF(.data) + ADDR(.data) : \
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{ \
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*(.bss) \
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[COMMON] \
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_end=.; \
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} \
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}";
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static char *gld68k_script_option_Ur = "\
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SEARCH_DIR(/lib) \
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SEARCH_DIR(/usr/lib) \
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SEARCH_DIR(/usr/local/lib) \
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SECTIONS \
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{ \
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.text 0: \
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{ \
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CREATE_OBJECT_SYMBOLS \
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*(.text) \
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} \
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.data SIZEOF(.text) + ADDR(.text) : \
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{ \
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*(.data) \
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___DTOR_LIST__=. ; \
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LONG((___CTOR_LIST__ - .)/4 -2) \
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*(___DTOR_LIST__) \
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LONG(0) \
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___CTOR_LIST__=. ; \
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LONG((___end_list__ - .)/4 -2) \
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*(___CTOR_LIST__) \
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LONG(0) \
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___end_list__ = . ; \
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} \
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.bss SIZEOF(.data) + ADDR(.data) : \
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{ \
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*(.bss) \
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[COMMON] \
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} \
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} \
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";
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static char *gld68k_script_option_r = "\
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SEARCH_DIR(/lib) \
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SEARCH_DIR(/usr/lib) \
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SEARCH_DIR(/usr/local/lib) \
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SECTIONS \
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{ \
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.text 0: \
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{ \
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CREATE_OBJECT_SYMBOLS \
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*(.text) \
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} \
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.data SIZEOF(.text) + ADDR(.text) : \
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{ \
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*(.data) \
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} \
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.bss SIZEOF(.data) + ADDR(.data) : \
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{ \
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*(.bss) \
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[COMMON] \
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} \
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} \
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";
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static char *gld68k_get_script()
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{
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extern ld_config_type config;
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if (config.relocateable_output == true &&
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config.build_constructors == true) {
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return gld68k_script_option_Ur;
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}
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if (config.relocateable_output) {
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return gld68k_script_option_r;
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}
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return gld68k_script;
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}
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struct ld_emulation_xfer_struct ld_gld68k_emulation =
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{
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gld68k_before_parse,
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gld68k_syslib,
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gld68k_hll,
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gld68k_after_parse,
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gld68k_after_allocation,
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gld68k_set_output_arch,
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gld68k_choose_target,
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gld68k_before_allocation,
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gld68k_get_script,
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};
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