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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:06 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:06 +0000
commit860acaebec6b57ce27e244cc02a58e6651a4b6c3 (patch)
treeeff5420756a4bd56b40b74c2b828b261f327610b /bfd/cpu-h8500.c
parentf9c53ad2d7cb541cbe821d645b90437ac063e5db (diff)
downloadgdb-860acaebec6b57ce27e244cc02a58e6651a4b6c3.tar.gz
Initial revision
Diffstat (limited to 'bfd/cpu-h8500.c')
-rw-r--r--bfd/cpu-h8500.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/bfd/cpu-h8500.c b/bfd/cpu-h8500.c
new file mode 100644
index 00000000000..e4abfd17807
--- /dev/null
+++ b/bfd/cpu-h8500.c
@@ -0,0 +1,199 @@
+/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#if 0
+
+/*
+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;
+ }
+ 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,"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;
+ return false;
+}
+
+
+#if 0 /* not used currently */
+/* 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;
+}
+#endif
+
+const bfd_arch_info_type bfd_h8500_arch =
+{
+ 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 */
+ "h8500", /* arch_name */
+ "h8500", /* printable name */
+ 1,
+ true, /* the default machine */
+ bfd_default_compatible,
+ scan_mach,
+ 0,
+};