| /* BFD library support routines for the Z800n architecture. |
| Copyright (C) 1992 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| #include "libbfd.h" |
| |
| |
| #if 0 /* not used currently */ |
| /* |
| Relocations for the Z8K |
| |
| */ |
| static bfd_reloc_status_type |
| howto16_callback (abfd, reloc_entry, symbol_in, data, |
| ignore_input_section, ignore_bfd) |
| bfd *abfd; |
| arelent *reloc_entry; |
| struct symbol_cache_entry *symbol_in; |
| PTR data; |
| asection *ignore_input_section; |
| 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 |
| howto8_callback (abfd, reloc_entry, symbol_in, data, |
| ignore_input_section, ignore_bfd) |
| bfd *abfd; |
| arelent *reloc_entry; |
| struct symbol_cache_entry *symbol_in; |
| PTR data; |
| asection *ignore_input_section; |
| 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 |
| howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data, |
| ignore_input_section, ignore_bfd) |
| bfd *abfd; |
| arelent *reloc_entry; |
| struct symbol_cache_entry *symbol_in; |
| PTR data; |
| asection *ignore_input_section; |
| 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 |
| howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data, |
| ignore_input_section, ignore_bfd) |
| bfd *abfd; |
| arelent *reloc_entry; |
| struct symbol_cache_entry *symbol_in; |
| PTR data; |
| asection *ignore_input_section; |
| 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 reloc_howto_type * |
| local_bfd_reloc_type_lookup (arch, code) |
| const struct bfd_arch_info *arch; |
| 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; |
| default: |
| return (reloc_howto_type *) NULL; |
| } |
| } |
| #endif |
| |
| int bfd_default_scan_num_mach (); |
| |
| static boolean |
| scan_mach (info, string) |
| const struct bfd_arch_info *info; |
| const char *string; |
| { |
| if (strcmp (string, "z8001") == 0 || strcmp (string, "z8k") == 0) |
| { |
| return bfd_mach_z8001 == info->mach; |
| } |
| if (strcmp (string, "z8002") == 0) |
| { |
| return bfd_mach_z8002 == info->mach; |
| } |
| return false; |
| } |
| |
| |
| /* This routine is provided two arch_infos and returns whether |
| they'd be compatible */ |
| |
| static const bfd_arch_info_type * |
| compatible (a, b) |
| const bfd_arch_info_type *a; |
| const bfd_arch_info_type *b; |
| { |
| if (a->arch != b->arch || a->mach != b->mach) |
| return NULL; |
| return a; |
| } |
| |
| |
| static const bfd_arch_info_type arch_info_struct[] = |
| { |
| {32, 32, 8, bfd_arch_z8k, bfd_mach_z8001, "z8k", "z8001", 1, false, compatible, scan_mach, 0,}, |
| }; |
| |
| const bfd_arch_info_type bfd_z8k_arch = |
| { |
| 32, 16, 8, bfd_arch_z8k, bfd_mach_z8002, "z8k", "z8002", 1, true, compatible, scan_mach, &arch_info_struct[0], |
| }; |