* src/vm/jit/trap.cpp: Finally switched s390 to the new trap decoding method.

[cacao.git] / src / vm / jit / s390 / md-trap.h

diff --git a/src/vm/jit/s390/md-trap.h b/src/vm/jit/s390/md-trap.h
index a5e05a0716e82606a380dc0f3637eff78fd315e9..3d3e4afe8b505c06dd9b34d9f4ded65ffad9de0d 100644 (file)
--- a/src/vm/jit/s390/md-trap.h
+++ b/src/vm/jit/s390/md-trap.h
@@ -1,6 +1,6 @@
 /* src/vm/jit/s390/md-trap.h - s390 hardware traps
 
-   Copyright (C) 2008
+   Copyright (C) 2008, 2010
    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
 
    This file is part of CACAO.
@@ -50,6 +50,18 @@ enum {
        TRAP_COUNTDOWN                      = 8
 };
 
+
+/**
+ * Macro to fixup a compiler stub. The XPC is the RA minus 2,
+ * because the RA points to the instruction after the call.
+ */
+#define MD_TRAP_COMPILER_FIXUP(xpc, ra, sp, pv) \
+       do { \
+               (pv) = (xpc); \
+               (xpc) = (void*) (((uintptr_t) (ra)) - 2); \
+       } while(0)
+
+
 #endif /* _MD_TRAP_H */