Changeset 9441 for trunk/src

Timestamp:

Nov 28, 2002, 8:49:02 PM (23 years ago)

Author:

sandervl

Message:

Make sure the stack is properly aligned

File:

• trunk/src/kernel32/exceptutil.asm (modified) (2 diffs)

trunk/src/kernel32/exceptutil.asm

@@ -1 @@
-; $Id: exceptutil.asm,v 1.19 2002-05-10 14:55:11 sandervl Exp $
+; $Id: exceptutil.asm,v 1.20 2002-11-28 19:49:02 sandervl Exp $
 
 ;/*
@@ -173 +173 @@
         push    ebp
         mov     ebp, esp
+
+IFDEF DEBUG
+;We're asking for problems if our stack start near a 64kb boundary
+;Some OS/2 thunking procedures can choke on misaligned stack addresses
+        mov     eax, esp
+        and     eax, 0FFFFh
+        cmp     eax, 0E000h
+        jge     @goodstack
+
+        add     eax, 1000h
+        sub     esp, eax
+@goodstack:
+ENDIF
 
         mov     eax, esp