19990502 sourceware importbinu_ss_19990502

1 files changed, 198 insertions, 0 deletions

diff --git a/bfd/cpu-z8k.c b/bfd/cpu-z8k.c
new file mode 100644
index 00000000000..5cce8eb0689
--- /dev/null
+++ b/bfd/cpu-z8k.c
@@ -0,0 +1,198 @@
+/* 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],
+};