Fix handling of null stap semaphores

[deliverable/binutils-gdb.git] / opcodes / m10200-dis.c

diff --git a/opcodes/m10200-dis.c b/opcodes/m10200-dis.c
index 6c69c0016ce61d4b02e7e91ba044773f5fe39a1d..537ce46ae02d736652c75ca2055c3925469524ee 100644 (file)
--- a/opcodes/m10200-dis.c
+++ b/opcodes/m10200-dis.c
@@ -1,5 +1,5 @@
 /* Disassemble MN10200 instructions.
-   Copyright 1996, 1997, 1998, 2000, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU opcodes library.
 
@@ -18,11 +18,10 @@
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
    MA 02110-1301, USA.  */
 
-#include <stdio.h>
-
 #include "sysdep.h"
-#include "opcode/mn10200.h" 
-#include "dis-asm.h"
+#include <stdio.h>
+#include "opcode/mn10200.h"
+#include "disassemble.h"
 #include "opintl.h"
 
 static void
@@ -55,7 +54,7 @@ disassemble (bfd_vma memaddr,
        mysize = 5;
       else
        abort ();
-       
+
       if (op->format == FMT_2 || op->format == FMT_5)
        extra_shift = 8;
       else if (op->format == FMT_3
@@ -71,7 +70,7 @@ disassemble (bfd_vma memaddr,
          const unsigned char *opindex_ptr;
          unsigned int nocomma;
          int paren = 0;
-         
+
          match = 1;
          (*info->fprintf_func) (info->stream, "%s\t", op->name);
 
@@ -84,16 +83,18 @@ disassemble (bfd_vma memaddr,
 
              operand = &mn10200_operands[*opindex_ptr];
 
-             if ((operand->flags & MN10200_OPERAND_EXTENDED) != 0)
+             if ((operand->flags & MN10200_OPERAND_DREG) != 0
+                 || (operand->flags & MN10200_OPERAND_AREG) != 0)
+               value = ((insn >> (operand->shift + extra_shift))
+                        & ((1 << operand->bits) - 1));
+             else if ((operand->flags & MN10200_OPERAND_EXTENDED) != 0)
                {
                  value = (insn & 0xffff) << 8;
                  value |= extension;
                }
              else
-               {
-                 value = ((insn >> (operand->shift))
-                          & ((1L << operand->bits) - 1L));
-               }
+               value = ((insn >> (operand->shift))
+                        & ((1L << operand->bits) - 1L));
 
              if ((operand->flags & MN10200_OPERAND_SIGNED) != 0)
                value = ((long)(value << (32 - operand->bits))
@@ -105,20 +106,12 @@ disassemble (bfd_vma memaddr,
                (*info->fprintf_func) (info->stream, ",");
 
              nocomma = 0;
-               
+
              if ((operand->flags & MN10200_OPERAND_DREG) != 0)
-               {
-                 value = ((insn >> (operand->shift + extra_shift))
-                          & ((1 << operand->bits) - 1));
-                 (*info->fprintf_func) (info->stream, "d%ld", value);
-               }
+               (*info->fprintf_func) (info->stream, "d%ld", value);
 
              else if ((operand->flags & MN10200_OPERAND_AREG) != 0)
-               {
-                 value = ((insn >> (operand->shift + extra_shift))
-                          & ((1 << operand->bits) - 1));
-                 (*info->fprintf_func) (info->stream, "a%ld", value);
-               }
+               (*info->fprintf_func) (info->stream, "a%ld", value);
 
              else if ((operand->flags & MN10200_OPERAND_PSW) != 0)
                (*info->fprintf_func) (info->stream, "psw");
@@ -145,7 +138,7 @@ disassemble (bfd_vma memaddr,
              else if ((operand->flags & MN10200_OPERAND_MEMADDR) != 0)
                (*info->print_address_func) (value, info);
 
-             else 
+             else
                (*info->fprintf_func) (info->stream, "%ld", value);
            }
          /* All done. */
@@ -158,7 +151,7 @@ disassemble (bfd_vma memaddr,
     (*info->fprintf_func) (info->stream, _("unknown\t0x%04lx"), insn);
 }
 
-int 
+int
 print_insn_mn10200 (bfd_vma memaddr, struct disassemble_info *info)
 {
   int status;