[src/trunk]: src/gnu/dist/toolchain/opcodes * vax-dis.c (print_insn_arg): Pas...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a791d4a1de33
branches:  trunk
changeset: 526215:a791d4a1de33
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Apr 28 05:27:46 2002 +0000

description:
* vax-dis.c (print_insn_arg): Pass the insn info to print_insn_mode.
(print_insn_mode): Print some basic info about floating point values.

diffstat:

 gnu/dist/toolchain/opcodes/vax-dis.c |  41 +++++++++++++++++++++++++++++------
 1 files changed, 34 insertions(+), 7 deletions(-)

diffs (77 lines):

diff -r 9f130ba0fb9d -r a791d4a1de33 gnu/dist/toolchain/opcodes/vax-dis.c
--- a/gnu/dist/toolchain/opcodes/vax-dis.c      Sun Apr 28 04:16:27 2002 +0000
+++ b/gnu/dist/toolchain/opcodes/vax-dis.c      Sun Apr 28 05:27:46 2002 +0000
@@ -26,7 +26,8 @@
                        disassemble_info *));
 
 static int
-print_insn_mode PARAMS ((int, unsigned char *, bfd_vma, disassemble_info *));
+print_insn_mode PARAMS ((const char *, int, unsigned char *, bfd_vma,
+                        disassemble_info *));
 
 static char *reg_names[] =
 {
@@ -221,11 +222,12 @@
       return p - p0;
     }
 
-  return print_insn_mode (arg_len, p0, addr, info);
+  return print_insn_mode (d, arg_len, p0, addr, info);
 }
 
 static int
-print_insn_mode (size, p0, addr, info)
+print_insn_mode (d, size, p0, addr, info)
+     const char *d;
      int size;
      unsigned char *p0;
      bfd_vma addr;             /* PC for this arg to be relative to */
@@ -243,10 +245,13 @@
     case 0x10:
     case 0x20:
     case 0x30: /* literal mode                 $number */
-      (*info->fprintf_func) (info->stream, "$0x%x", mode);
+      if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h')
+       (*info->fprintf_func) (info->stream, "$0x%x [%c-float]", mode, d[1]);
+      else
+        (*info->fprintf_func) (info->stream, "$0x%x", mode);
       break;
     case 0x40: /* index:                       base-addr[Rn] */
-      p += print_insn_mode (size, p0 + 1, addr + 1, info);
+      p += print_insn_mode (d, size, p0 + 1, addr + 1, info);
       (*info->fprintf_func) (info->stream, "[%s]", reg_names[reg]);
       break;
     case 0x50: /* register:                    Rn */
@@ -265,8 +270,30 @@
 
          FETCH_DATA (info, p + size);
          (*info->fprintf_func) (info->stream, "$0x");
-         for (i = 0; i < size; i++)
-           (*info->fprintf_func) (info->stream, "%02x", p[size - i - 1]);
+         if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h')
+           {
+             int float_word;
+
+             float_word = p[0] | (p[1] << 8);
+             if ((d[1] == 'd' || d[1] == 'f')
+                 && (float_word & 0xff80) == 0x8000)
+               {
+                 (*info->fprintf_func) (info->stream, "[invalid %c-float]",
+                                        d[1]);
+               }
+             else
+               {
+                 for (i = 0; i < size; i++)
+                   (*info->fprintf_func) (info->stream, "%02x",
+                                          p[size - i - 1]);
+                 (*info->fprintf_func) (info->stream, " [%c-float]", d[1]);
+               }
+           }
+         else
+           {
+             for (i = 0; i < size; i++)
+               (*info->fprintf_func) (info->stream, "%02x", p[size - i - 1]);
+           }
          p += size;
        }
       else