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