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authorJan Hubicka <jh@suse.cz>2002-02-25 17:42:56 +0000
committerJan Hubicka <jh@suse.cz>2002-02-25 17:42:56 +0000
commitb6a5438c64bdbcb6bbb324115c1c5cc22b7b88ff (patch)
tree0c264748a8df36328085a80881aa70876a3f9af7
parent3c05618f3fca9d940b30b007d97fe979f1a4fb0b (diff)
downloadbinutils-redhat-b6a5438c64bdbcb6bbb324115c1c5cc22b7b88ff.tar.gz
* i386-dis.c (prefix_name): Fix handling of 32bit address prefix
in 64bit mode. (print_insn) Likewise. (putop): Fix handling of 'E' (OP_E, OP_OFF): handle 32bit addressing mode in 64bit. (ptr_reg): Likewise.
-rw-r--r--opcodes/ChangeLog9
-rw-r--r--opcodes/i386-dis.c45
2 files changed, 41 insertions, 13 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index a9432d15e4..2f34ba3208 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,12 @@
+Mon Feb 25 18:40:33 CET 2002 Jan Hubicka <jh@suse.cz>
+
+ * i386-dis.c (prefix_name): Fix handling of 32bit address prefix
+ in 64bit mode.
+ (print_insn) Likewise.
+ (putop): Fix handling of 'E'
+ (OP_E, OP_OFF): handle 32bit addressing mode in 64bit.
+ (ptr_reg): Likewise.
+
2002-02-25 Alan Modra <amodra@bigpond.net.au>
* ppc-dis.c (powerpc_dialect): Handle power4 option.
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 7b4b8582e3..d2271d8a71 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -1807,7 +1807,10 @@ prefix_name (pref, sizeflag)
case 0x66:
return (sizeflag & DFLAG) ? "data16" : "data32";
case 0x67:
- return (sizeflag & AFLAG) ? "addr16" : "addr32";
+ if (mode_64bit)
+ return (sizeflag & AFLAG) ? "addr32" : "addr64";
+ else
+ return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32";
case FWAIT_OPCODE:
return "fwait";
default:
@@ -2081,7 +2084,7 @@ print_insn (pc, info)
sizeflag ^= AFLAG;
if (dp->bytemode3 != loop_jcxz_mode || intel_syntax)
{
- if (sizeflag & AFLAG)
+ if ((sizeflag & AFLAG) || mode_64bit)
oappend ("addr32 ");
else
oappend ("addr16 ");
@@ -2626,8 +2629,16 @@ putop (template, sizeflag)
*obufp++ = 'b';
break;
case 'E': /* For jcxz/jecxz */
- if (sizeflag & AFLAG)
- *obufp++ = 'e';
+ if (mode_64bit)
+ {
+ if (sizeflag & AFLAG)
+ *obufp++ = 'r';
+ else
+ *obufp++ = 'e';
+ }
+ else
+ if (sizeflag & AFLAG)
+ *obufp++ = 'e';
used_prefixes |= (prefixes & PREFIX_ADDR);
break;
case 'F':
@@ -2636,9 +2647,9 @@ putop (template, sizeflag)
if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS))
{
if (sizeflag & AFLAG)
- *obufp++ = 'l';
+ *obufp++ = mode_64bit ? 'q' : 'l';
else
- *obufp++ = 'w';
+ *obufp++ = mode_64bit ? 'l' : 'w';
used_prefixes |= (prefixes & PREFIX_ADDR);
}
break;
@@ -3014,7 +3025,7 @@ OP_E (bytemode, sizeflag)
disp = 0;
append_seg ();
- if (sizeflag & AFLAG) /* 32 bit address mode */
+ if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */
{
int havesib;
int havebase;
@@ -3048,7 +3059,7 @@ OP_E (bytemode, sizeflag)
if ((base & 7) == 5)
{
havebase = 0;
- if (mode_64bit && !havesib)
+ if (mode_64bit && !havesib && (sizeflag & AFLAG))
riprel = 1;
disp = get32s ();
}
@@ -3115,7 +3126,8 @@ OP_E (bytemode, sizeflag)
if (!havesib && (rex & REX_EXTZ))
base += 8;
if (havebase)
- oappend (mode_64bit ? names64[base] : names32[base]);
+ oappend (mode_64bit && (sizeflag & AFLAG)
+ ? names64[base] : names32[base]);
if (havesib)
{
if (index != 4)
@@ -3128,11 +3140,13 @@ OP_E (bytemode, sizeflag)
*obufp = '\0';
}
sprintf (scratchbuf, "%s",
- mode_64bit ? names64[index] : names32[index]);
+ mode_64bit && (sizeflag & AFLAG)
+ ? names64[index] : names32[index]);
}
else
sprintf (scratchbuf, ",%s",
- mode_64bit ? names64[index] : names32[index]);
+ mode_64bit && (sizeflag & AFLAG)
+ ? names64[index] : names32[index]);
oappend (scratchbuf);
}
if (!intel_syntax
@@ -3703,7 +3717,7 @@ OP_OFF (bytemode, sizeflag)
append_seg ();
- if (sizeflag & AFLAG)
+ if ((sizeflag & AFLAG) || mode_64bit)
off = get32 ();
else
off = get16 ();
@@ -3764,7 +3778,12 @@ ptr_reg (code, sizeflag)
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
- s = names64[code - eAX_reg];
+ {
+ if (!(sizeflag & AFLAG))
+ s = names32[code - eAX_reg];
+ else
+ s = names64[code - eAX_reg];
+ }
else if (sizeflag & AFLAG)
s = names32[code - eAX_reg];
else