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author | Steve Chamberlain <sac@cygnus> | 1993-02-04 20:59:55 +0000 |
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committer | Steve Chamberlain <sac@cygnus> | 1993-02-04 20:59:55 +0000 |
commit | ff975a2c4c623ab8ae3e66c6a91e3bdb75424924 (patch) | |
tree | 0718e2d1fa1a274a75cbffb2ac4c044b602ca2a2 /bfd | |
parent | 4e72fdc05ee9b3cc64e22016735b88d3997c34fe (diff) | |
download | gdb-ff975a2c4c623ab8ae3e66c6a91e3bdb75424924.zip gdb-ff975a2c4c623ab8ae3e66c6a91e3bdb75424924.tar.gz gdb-ff975a2c4c623ab8ae3e66c6a91e3bdb75424924.tar.bz2 |
H8/500 support
Diffstat (limited to 'bfd')
-rw-r--r-- | bfd/.Sanitize | 2 | ||||
-rw-r--r-- | bfd/ChangeLog | 6 | ||||
-rw-r--r-- | bfd/cpu-h8500.c | 208 |
3 files changed, 216 insertions, 0 deletions
diff --git a/bfd/.Sanitize b/bfd/.Sanitize index 8935289..759a629 100644 --- a/bfd/.Sanitize +++ b/bfd/.Sanitize @@ -48,6 +48,7 @@ cache.c ctor.c coff-a29k.c coff-h8300.c +coff-h8500.c coff-i386.c coff-i960.c coff-m68k.c @@ -85,6 +86,7 @@ cpu-m68k.c cpu-mips.c cpu-vax.c cpu-h8300.c +cpu-h8500.c cpu-hppa.c cpu-i960.c cpu-m88k.c diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 66e005d..2d32785 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +Thu Feb 4 12:52:40 1993 Steve Chamberlain (sac@thepub.cygnus.com) + + Add support for the H8/500 + + * coff-h8500.c, cpu-h8500.c, archures.c, coffcode.h, targets.c + Thu Feb 4 12:35:02 1993 Ian Lance Taylor (ian@cygnus.com) * libecoff.h: New file. Defines ECOFF backend data for gdb. diff --git a/bfd/cpu-h8500.c b/bfd/cpu-h8500.c new file mode 100644 index 0000000..9506216 --- /dev/null +++ b/bfd/cpu-h8500.c @@ -0,0 +1,208 @@ +/* BFD library support routines for the H8/500 architecture. + Copyright (C) 1993 Free Software Foundation, Inc. + Hacked by Steve Chamberlain of Cygnus Support. + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" + +#if 0 + +/* +Relocations for the Z8K + +*/ +static bfd_reloc_status_type +DEFUN(howto16_callback,(abfd, reloc_entry, symbol_in, data, + ignore_input_section, ignore_bfd), + bfd *abfd AND + arelent *reloc_entry AND + struct symbol_cache_entry *symbol_in AND + PTR data AND + asection *ignore_input_section AND + bfd *ignore_bfd) +{ + long relocation = 0; + bfd_vma addr = reloc_entry->address; + long x = bfd_get_16(abfd, (bfd_byte *)data + addr); + + HOWTO_PREPARE(relocation, symbol_in); + + x = (x + relocation + reloc_entry->addend); + + bfd_put_16(abfd, x, (bfd_byte *)data + addr); + return bfd_reloc_ok; +} + + +static bfd_reloc_status_type +DEFUN(howto8_callback,(abfd, reloc_entry, symbol_in, data, + ignore_input_section, ignore_bfd), + bfd *abfd AND + arelent *reloc_entry AND + struct symbol_cache_entry *symbol_in AND + PTR data AND + asection *ignore_input_section AND + bfd *ignore_bfd) +{ + long relocation = 0; + bfd_vma addr = reloc_entry->address; + long x = bfd_get_8(abfd, (bfd_byte *)data + addr); + + HOWTO_PREPARE(relocation, symbol_in); + + x = (x + relocation + reloc_entry->addend); + + bfd_put_8(abfd, x, (bfd_byte *)data + addr); + return bfd_reloc_ok; +} + + +static bfd_reloc_status_type +DEFUN(howto8_FFnn_callback,(abfd, reloc_entry, symbol_in, data, + ignore_input_section, ignore_bfd), + bfd *abfd AND + arelent *reloc_entry AND + struct symbol_cache_entry *symbol_in AND + PTR data AND + asection *ignore_input_section AND + bfd *ignore_bfd) +{ + long relocation = 0; + bfd_vma addr = reloc_entry->address; + + long x = bfd_get_8(abfd, (bfd_byte *)data + addr); + abort(); + HOWTO_PREPARE(relocation, symbol_in); + + x = (x + relocation + reloc_entry->addend); + + bfd_put_8(abfd, x, (bfd_byte *)data + addr); + return bfd_reloc_ok; +} + +static bfd_reloc_status_type +DEFUN(howto8_pcrel_callback,(abfd, reloc_entry, symbol_in, data, + ignore_input_section, ignore_bfd), + bfd *abfd AND + arelent *reloc_entry AND + struct symbol_cache_entry *symbol_in AND + PTR data AND + asection *ignore_input_section AND + bfd *ignore_bfd) +{ + long relocation = 0; + bfd_vma addr = reloc_entry->address; + long x = bfd_get_8(abfd, (bfd_byte *)data + addr); + abort(); + HOWTO_PREPARE(relocation, symbol_in); + + x = (x + relocation + reloc_entry->addend); + + bfd_put_8(abfd, x, (bfd_byte *)data + addr); + return bfd_reloc_ok; +} + + + +static reloc_howto_type howto_16 + = NEWHOWTO(howto16_callback,"abs16",1,false,false); +static reloc_howto_type howto_8 + = NEWHOWTO(howto8_callback,"abs8",0,false,false); + +static reloc_howto_type howto_8_FFnn + = NEWHOWTO(howto8_FFnn_callback,"ff00+abs8",0,false,false); + +static reloc_howto_type howto_8_pcrel + = NEWHOWTO(howto8_pcrel_callback,"pcrel8",0,false,true); + + +static CONST struct reloc_howto_struct * +DEFUN(local_bfd_reloc_type_lookup,(arch, code), + CONST struct bfd_arch_info *arch AND + bfd_reloc_code_real_type code) +{ + switch (code) { + case BFD_RELOC_16: + return &howto_16; + case BFD_RELOC_8_FFnn: + return &howto_8_FFnn; + case BFD_RELOC_8: + return &howto_8; + case BFD_RELOC_8_PCREL: + return &howto_8_pcrel; + } + return (reloc_howto_type *)NULL; +} +#endif + +int bfd_default_scan_num_mach(); + +static boolean +DEFUN(scan_mach,(info, string), +CONST struct bfd_arch_info *info AND +CONST char *string) +{ + if (strcmp(string,"h8/500") == 0) return true; + if (strcmp(string,"H8/500") == 0) return true; + if (strcmp(string,"h8500") == 0) return true; + if (strcmp(string,"H8500") == 0) return true; +} + + +/* This routine is provided two arch_infos and returns whether + they'd be compatible */ + +static CONST bfd_arch_info_type * +DEFUN(compatible,(a,b), + CONST bfd_arch_info_type *a AND + CONST bfd_arch_info_type *b) +{ + if (a->arch != b->arch || a->mach != b->mach) + return NULL; + return a; +} + + +static bfd_arch_info_type arch_info_struct[] = +{ + 16, /* 16 bits in a word */ + 24, /* 24 bits in an address */ + 8, /* 8 bits in a byte */ + bfd_arch_h8500, + 0, /* only 1 machine */ + "H8/500", /* arch_name */ + "H8/500", /* printable name */ + 1, + true, /* the default machine */ + bfd_default_compatible, + scan_mach, + 0, + 0, +}; + + + +void +DEFUN_VOID(bfd_h8500_arch) +{ + bfd_arch_linkin(&arch_info_struct[0]); +} + + |