Changeset 1598 in vbox

Timestamp:

Mar 21, 2007 2:42:43 PM (18 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

19711

Message:

pop [esp+xx] uses esp *after* the actual pop

File:

• trunk/src/VBox/VMM/VMMAll/EMAll.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/EMAll.cpp

@@ -561 +561 @@
                 pParam1 = (RTGCPTR)param1.val.val32;
 
+                /* pop [esp+xx] uses esp after the actual pop! */
+                AssertCompile(USE_REG_ESP == USE_REG_SP);
+                if (    (pCpu->param1.flags & USE_BASE)
+                    &&  (pCpu->param1.flags & (USE_REG_GEN16|USE_REG_GEN32))
+                    &&  pCpu->param1.base.reg_gen32 == USE_REG_ESP
+                   )
+                   pParam1 = (RTGCPTR)((RTGCUINTPTR)pParam1 + param1.size);
+                
 #ifdef IN_GC
                 /* Safety check (in theory it could cross a page boundary and fault there though) */