Check rex_ignored.

[pf3gnuchains/pf3gnuchains3x.git] / opcodes / avr-dis.c

diff --git a/opcodes/avr-dis.c b/opcodes/avr-dis.c
index 1530084..976c371 100644 (file)
--- a/opcodes/avr-dis.c
+++ b/opcodes/avr-dis.c
@@ -1,21 +1,25 @@
 /* Disassemble AVR instructions.
-   Copyright 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc.
+   Copyright 1999, 2000, 2002, 2004, 2005, 2006, 2007, 2008
+   Free Software Foundation, Inc.
 
    Contributed by Denis Chertykov <denisc@overta.ru>
 
-   This program is free software; you can redistribute it and/or modify
+   This file is part of libopcodes.
+
+   This library 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.
+   the Free Software Foundation; either version 3, 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.
+   It 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
 #include <assert.h>
 #include "sysdep.h"
@@ -42,6 +46,8 @@ const struct avr_opcodes_s avr_opcodes[] =
   {NULL, NULL, NULL, 0, 0, 0}
 };
 
+static const char * comment_start = "0x";
+
 static int
 avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constraint,
              char *buf, char *comment, int regs, int *sym, bfd_vma *sym_addr)
@@ -103,7 +109,7 @@ avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constra
            case 0x100e: xyz = "-X"; break;
            default: xyz = "??"; ok = 0;
          }
-       sprintf (buf, xyz);
+       strcpy (buf, xyz);
 
        if (AVR_UNDEF_P (insn))
          sprintf (comment, _("undefined"));
@@ -139,7 +145,11 @@ avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constra
     case 'h':
       *sym = 1;
       *sym_addr = ((((insn & 1) | ((insn & 0x1f0) >> 3)) << 16) | insn2) * 2;
-      sprintf (buf, "0x");
+      /* See PR binutils/2454.  Ideally we would like to display the hex
+        value of the address only once, but this would mean recoding
+        objdump_print_address() which would affect many targets.  */
+      sprintf (buf, "%#lx", (unsigned long) *sym_addr);      
+      strcpy (comment, comment_start);
       break;
       
     case 'L':
@@ -148,17 +158,18 @@ avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constra
        sprintf (buf, ".%+-8d", rel_addr);
         *sym = 1;
         *sym_addr = pc + 2 + rel_addr;
-       sprintf (comment, "0x");
+       strcpy (comment, comment_start);
       }
       break;
 
     case 'l':
       {
        int rel_addr = ((((insn >> 3) & 0x7f) ^ 0x40) - 0x40) * 2;
+
        sprintf (buf, ".%+-8d", rel_addr);
         *sym = 1;
         *sym_addr = pc + 2 + rel_addr;
-       sprintf (comment, "0x");
+       strcpy (comment, comment_start);
       }
       break;
 
@@ -261,10 +272,17 @@ print_insn_avr (bfd_vma addr, disassemble_info *info)
   int sym_op1 = 0, sym_op2 = 0;
   bfd_vma sym_addr1, sym_addr2;
 
+
   if (!initialized)
     {
       unsigned int nopcodes;
 
+      /* PR 4045: Try to avoid duplicating the 0x prefix that
+        objdump_print_addr() will put on addresses when there
+        is no symbol table available.  */
+      if (info->symtab_size == 0)
+       comment_start = " ";
+
       nopcodes = sizeof (avr_opcodes) / sizeof (struct avr_opcodes_s);
       
       avr_bin_masks = xmalloc (nopcodes * sizeof (unsigned int));