From: Jeff Law <law@redhat.com>
Date: Sat, 31 Aug 1996 19:22:11 +0000 (+0000)
Subject:         * v850-dis.c: New file.  Skeleton for disassembler support.
X-Git-Tag: gdb-4_18~7777
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=529418ddc475e8e16b487b85e12a81c16abd12d0;p=external%2Fbinutils.git

    * v850-dis.c: New file.  Skeleton for disassembler support.
        * Makefile.in Remove v850 references, they're not needed here
        and they weren't being sanitized away.
        * configure.in: Add v850-dis.o when building v850 toolchains.
        * configure: Rebuilt.
        * disassemble.c (disassembler): Call v850 disassembler.
---

diff --git a/opcodes/v850-dis.c b/opcodes/v850-dis.c
new file mode 100644
index 0000000..3ee3959
--- /dev/null
+++ b/opcodes/v850-dis.c
@@ -0,0 +1,78 @@
+/* Disassemble V850 instructions.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+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 <stdio.h>
+
+#include "ansidecl.h"
+#include "opcode/v850.h" 
+#include "dis-asm.h"
+
+int 
+print_insn_v850 (memaddr, info)
+     bfd_vma memaddr;
+     struct disassemble_info *info;
+{
+  int status;
+  bfd_byte buffer[4];
+  unsigned long insn;
+
+  status = (*info->read_memory_func) (memaddr, buffer, 4, info);
+  if (status != 0)
+    {
+      (*info->memory_error_func) (status, memaddr, info);
+      return -1;
+    }
+  insn = bfd_getl32 (buffer);
+
+  disassemble (insn, info);
+  if ((insn & 0x0600) == 0x0600)
+    return 4;
+  else
+    return 2;
+}
+
+disassemble (insn, info)
+     unsigned long insn;
+     struct disassemble_info *info;
+{
+  struct v850_opcode *op = (struct v850_opcode *)v850_opcodes;
+  int match = 0;
+  /* If this is a two byte insn, then mask off the high bits. */
+  if ((insn & 0x0600) != 0x0600)
+    insn &= 0xffff;
+
+  /* Find the opcode.  */
+  while (op->name)
+    {
+      if ((op->mask & insn) == op->opcode)
+	{
+	  match = 1;
+	  (*info->fprintf_func) (info->stream, "%s\t", op->name);
+	  break;
+	}
+      op++;
+    }
+
+  if (!match)
+    {
+      if ((insn & 0x0600) != 0x0600)
+	(*info->fprintf_func) (info->stream, ".short\t0x%04x", insn);
+      else
+	(*info->fprintf_func) (info->stream, ".long\t0x%08x", insn);
+    }
+}