H8/500 support

1 files changed, 208 insertions, 0 deletions

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]);
+}
+
+