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* vax-dis.c (print_insn_arg): Pass the insn info to print_insn_mode.

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(print_insn_mode): Print some basic info about floating point values.
This commit is contained in:
thorpej 2002-04-28 05:27:46 +00:00
parent 1db7e557d6
commit 690a4cfca8
1 changed files with 34 additions and 7 deletions
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41
gnu/dist/toolchain/opcodes/vax-dis.c vendored
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@ -26,7 +26,8 @@ print_insn_arg PARAMS ((const char *, unsigned char *, bfd_vma,
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 @@ print_insn_arg (d, p0, addr, info)
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 @@ print_insn_mode (size, p0, addr, info)
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 @@ print_insn_mode (size, p0, addr, info)
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