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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/cpu-z8k.c
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'bfd/cpu-z8k.c')
-rw-r--r--bfd/cpu-z8k.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/bfd/cpu-z8k.c b/bfd/cpu-z8k.c
new file mode 100644
index 0000000..5cce8eb
--- /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],
+};