git: 9front

Download patch

ref: 4855155af966814322a1ab7cf40d0b71cbb763ba
parent: da92db2aa458ba7965f8d2d112e927dbb84d6580
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon Apr 14 20:37:01 EDT 2014

libmach: fix printing of amd64 modrm byte register with rex prefix

--- a/sys/src/libmach/8db.c
+++ b/sys/src/libmach/8db.c
@@ -1878,7 +1878,7 @@
 {
 	if (ip->mod == 3) {
 		if (ip->osize == 'B')
-			bprint(ip, (ip->rex & REXB? breg64: breg)[ip->base]);
+			bprint(ip, (ip->rex? breg64: breg)[ip->rex&REXB? ip->base+8: ip->base]);
 		else if(ip->rex & REXB)
 			bprint(ip, "%s%s", ANAME(ip), reg[ip->base+8]);
 		else
--