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- /* 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],
- };
-