Changeset 9714 in vbox for trunk/src/VBox

Timestamp:

Jun 16, 2008 11:58:28 AM (17 years ago)

Author:

vboxsync

Message:

Zero out high dword of rsp as well.

File:

• trunk/src/VBox/VMM/VMMGC/TRPMGCHandlersA.asm (modified) (3 diffs)

trunk/src/VBox/VMM/VMMGC/TRPMGCHandlersA.asm

@@ -264 +264 @@
     mov     eax, [esp + 14h + ESPOFF]           ; esp
     mov     [esp + CPUMCTXCORE.esp], eax
+%if GC_ARCH_BITS == 64
+    ; zero out the high dword
+    mov     dword [esp + CPUMCTXCORE.esp + 4], 0
+%endif
     mov     eax, [esp + 18h + ESPOFF]           ; ss
     mov     dword [esp + CPUMCTXCORE.ss], eax
@@ -765 +769 @@
     mov     eax, [esp + 10h + ESPOFF]           ; esp
     mov     [esp + CPUMCTXCORE.esp], eax
+%if GC_ARCH_BITS == 64
+    ; zero out the high dword
+    mov     dword [esp + CPUMCTXCORE.esp + 4], 0
+%endif
     mov     eax, dword [esp + 14h + ESPOFF]     ; ss
     mov     [esp + CPUMCTXCORE.ss], eax
@@ -1078 +1086 @@
     mov     eax, [ecx + VBOXTSS.esp]
     mov     [esp + CPUMCTXCORE.esp], eax
+%if GC_ARCH_BITS == 64
+    ; zero out the high dword
+    mov     dword [esp + CPUMCTXCORE.esp + 4], 0
+%endif
     mov     eax, [ecx + VBOXTSS.ecx]
     mov     [esp + CPUMCTXCORE.ecx], eax