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-rw-r--r--bfd/cpu-z8k.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/bfd/cpu-z8k.c b/bfd/cpu-z8k.c
new file mode 100644
index 0000000..8857023
--- /dev/null
+++ b/bfd/cpu-z8k.c
@@ -0,0 +1,201 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+
+/*
+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;
+}
+
+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,"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 */
+
+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[] =
+{
+{ 32, 16, 8,bfd_arch_z8k, bfd_mach_z8002,"z8k","z8002",1,0,compatible,scan_mach,0,},
+{ 32, 32, 8,bfd_arch_z8k, bfd_mach_z8001,"z8k","z8001",1,1,compatible,scan_mach,0,},
+ };
+
+
+
+void
+DEFUN_VOID(bfd_z8k_arch)
+{
+ bfd_arch_linkin(&arch_info_struct[0]);
+ bfd_arch_linkin(&arch_info_struct[1]);
+}
+
+