From a7fe4c5997d904fa2dfeaa88b5e315ab9524823b Mon Sep 17 00:00:00 2001 From: Steve Chamberlain Date: Wed, 3 Apr 1991 22:08:46 +0000 Subject: [PATCH] Initial revision --- bfd/coff-m88k.c | 113 ++++++++++++++++++++++++++++ ld/ld-gld68k.c | 223 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 336 insertions(+) create mode 100644 bfd/coff-m88k.c create mode 100755 ld/ld-gld68k.c diff --git a/bfd/coff-m88k.c b/bfd/coff-m88k.c new file mode 100644 index 0000000..a261c8f --- /dev/null +++ b/bfd/coff-m88k.c @@ -0,0 +1,113 @@ +/* Copyright (C) 1990, 1991 Free Software Foundation, Inc. + +This file is part of BFD, the Binary File Diddler. + +BFD is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +BFD is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with BFD; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* $Id$ */ + +#define M88 1 +#include +#include +#include "bfd.h" +#include "libbfd.h" +#include "libcoff.h" +#include "m88k-bcs.h" + + +static reloc_howto_type howto_table[] = +{ +/* type rtshift size bitsize pc_rel bitpos abs ovff sf name partial inplace mask*/ + R_PCR16L, 2, 1, 16, true, 0, false, true, 0,"PCR16L", false, 0x0000ffff, + R_PCR26L, 2, 2, 26, true, 0, false, true, 0,"PCR26L", false, 0x03ffffff, + R_VRT16, 0, 1, 16, false, 0, false, true, 0,"VRT16", false, 0x0000ffff, + R_HVRT16,16, 1, 16, false, 0, false, true, 0,"HVRT16", false, 0x0000ffff, + R_LVRT16, 0, 1, 16, false, 0, false, true, 0,"LVRT16", false, 0x0000ffff, + R_VRT32, 0, 2, 32, false, 0, false, true, 0,"VRT32", false, 0xffffffff, +}; + + + +#define BADMAG(x) MC88BADMAG(x) +#include "coff-code.h" + + + +bfd_target m88k_bcs_vec = +{ + "m88k-bcs", /* name */ + bfd_target_coff_flavour_enum, + false, /* data byte order is little */ + true, /* header byte order is big */ + + (HAS_RELOC | EXEC_P | /* object flags */ + HAS_LINENO | HAS_DEBUG | + HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), + + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ + 0, /* valid reloc types */ + '/', /* ar_pad_char */ + 15, /* ar_max_namelen */ + coff_close_and_cleanup, /* _close_and_cleanup */ + coff_set_section_contents, /* bfd_set_section_contents */ + coff_get_section_contents, /* bfd_get_section_contents */ + coff_new_section_hook, /* new_section_hook */ + _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */ + _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */ + _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */ + + bfd_slurp_coff_armap, /* bfd_slurp_armap */ + _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/ +#if 0 /* */ + bfd_dont_truncate_arname, /* bfd_truncate_arname */ +#else + bfd_bsd_truncate_arname, +#endif + + coff_get_symtab_upper_bound, /* get_symtab_upper_bound */ + coff_get_symtab, /* canonicalize_symtab */ + (void (*)())bfd_false, /* bfd_reclaim_symbol_table */ + coff_get_reloc_upper_bound, /* get_reloc_upper_bound */ + coff_canonicalize_reloc, /* bfd_canonicalize_reloc */ + (void (*)())bfd_false, /* bfd_reclaim_reloc */ + + coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */ + coff_get_first_symbol, /* bfd_get_first_symbol */ + coff_get_next_symbol, /* bfd_get_next_symbol */ + coff_classify_symbol, /* bfd_classify_symbol */ + coff_symbol_hasclass, /* bfd_symbol_hasclass */ + coff_symbol_name, /* bfd_symbol_name */ + coff_symbol_value, /* bfd_symbol_value */ + + _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */ + _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ + + {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ + bfd_generic_archive_p, _bfd_dummy_target}, + {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ + bfd_false}, + coff_make_empty_symbol, + coff_print_symbol, + coff_get_lineno, + coff_set_arch_mach, + coff_write_armap, + bfd_generic_openr_next_archived_file, + coff_find_nearest_line, + bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */ + }; + + + diff --git a/ld/ld-gld68k.c b/ld/ld-gld68k.c new file mode 100755 index 0000000..004594b --- /dev/null +++ b/ld/ld-gld68k.c @@ -0,0 +1,223 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. + +This file is part of GLD, the Gnu Linker. + +GLD is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GLD is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GLD; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * $Id:# +*/ + +/* + * emulate the original gld running on a 68k system + * + * Written by Steve Chamberlain steve@cygnus.com + */ + + +#include "sysdep.h" +#include "bfd.h" + +#include "ld.h" +#include "config.h" +#include "ld-emul.h" +#include "ldfile.h" +#include "ldmisc.h" + +extern boolean lang_float_flag; + + +extern enum bfd_architecture ldfile_output_architecture; +extern unsigned long ldfile_output_machine; +extern char *ldfile_output_machine_name; + +extern bfd *output_bfd; + + + +static void gld68k_before_parse() +{ + ldfile_add_library_path("/lib"); + ldfile_add_library_path("/usr/lib"); + ldfile_add_library_path("/usr/local/lib/lib"); + ldfile_output_architecture = bfd_arch_m68k; +} + + +static void +gld68k_after_parse() +{ + +} + +static void +gld68k_after_allocation() +{ + +} + +static void +gld68k_before_allocation() +{ + +} + + +static void +gld68k_set_output_arch() +{ + /* Set the output architecture and machine if possible */ + unsigned long machine = 0; + bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine); +} + +static char * +gld68k_choose_target() +{ + char *from_outside = getenv(TARGET_ENVIRON); + if (from_outside != (char *)NULL) + return from_outside; + return GLD68K_TARGET; +} + +static void +gld68k_syslib() +{ + info("%S SYSLIB ignored\n"); +} + +static void +gld68k_hll(ignore) +char *ignore; +{ + info("%S HLL ignored\n"); +} + +static char *gld68k_script = " \ +SEARCH_DIR(/lib) \ +SEARCH_DIR(/usr/lib) \ +SEARCH_DIR(/usr/local/lib) \ +__DYNAMIC = 0; \ +SECTIONS \ +{ \ + .text 0x2020 BLOCK(0x2000): \ + { \ + CREATE_OBJECT_SYMBOLS \ + *(.text) \ + _etext = ALIGN( 0x2000); \ + } \ + .data ALIGN(0x20000) : \ + { \ + *(.data) \ + ___DTOR_LIST__=. ; \ + LONG((___CTOR_LIST__ - .)/4 -2) \ + *(___DTOR_LIST__) \ + LONG(0) \ + ___CTOR_LIST__=. ; \ + LONG((_edata - .)/4 -2) \ + *(___CTOR_LIST__) \ + LONG(0) \ + _edata = .; \ + } \ + .bss SIZEOF(.data) + ADDR(.data) : \ + { \ + *(.bss) \ + [COMMON] \ + _end=.; \ + } \ +}"; + + +static char *gld68k_script_option_Ur = "\ +SEARCH_DIR(/lib) \ +SEARCH_DIR(/usr/lib) \ +SEARCH_DIR(/usr/local/lib) \ +SECTIONS \ +{ \ + .text 0: \ + { \ + CREATE_OBJECT_SYMBOLS \ + *(.text) \ + } \ + .data SIZEOF(.text) + ADDR(.text) : \ + { \ + *(.data) \ + ___DTOR_LIST__=. ; \ + LONG((___CTOR_LIST__ - .)/4 -2) \ + *(___DTOR_LIST__) \ + LONG(0) \ + ___CTOR_LIST__=. ; \ + LONG((___end_list__ - .)/4 -2) \ + *(___CTOR_LIST__) \ + LONG(0) \ + ___end_list__ = . ; \ + } \ + .bss SIZEOF(.data) + ADDR(.data) : \ + { \ + *(.bss) \ + [COMMON] \ + } \ +} \ +"; + +static char *gld68k_script_option_r = "\ +SEARCH_DIR(/lib) \ +SEARCH_DIR(/usr/lib) \ +SEARCH_DIR(/usr/local/lib) \ +SECTIONS \ +{ \ + .text 0: \ + { \ + CREATE_OBJECT_SYMBOLS \ + *(.text) \ + } \ + .data SIZEOF(.text) + ADDR(.text) : \ + { \ + *(.data) \ + } \ + .bss SIZEOF(.data) + ADDR(.data) : \ + { \ + *(.bss) \ + [COMMON] \ + } \ +} \ +"; + +static char *gld68k_get_script() +{ + extern ld_config_type config; + if (config.relocateable_output == true && + config.build_constructors == true) { + return gld68k_script_option_Ur; + } + if (config.relocateable_output) { + return gld68k_script_option_r; + } + + return gld68k_script; +} +struct ld_emulation_xfer_struct ld_gld68k_emulation = +{ + gld68k_before_parse, + gld68k_syslib, + gld68k_hll, + gld68k_after_parse, + gld68k_after_allocation, + gld68k_set_output_arch, + gld68k_choose_target, + gld68k_before_allocation, + gld68k_get_script, +}; + -- 2.7.4