--- a/hotspot/src/cpu/x86/vm/frame_x86.cpp Fri Jan 13 12:58:26 2012 -0800
+++ b/hotspot/src/cpu/x86/vm/frame_x86.cpp Wed Jan 18 16:18:31 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -675,3 +675,21 @@
// used to reset the saved FP
return fp();
}
+
+intptr_t* frame::real_fp() const {
+ if (_cb != NULL) {
+ // use the frame size if valid
+ int size = _cb->frame_size();
+ if ((size > 0) &&
+ (! is_ricochet_frame())) {
+ // Work-around: ricochet explicitly excluded because frame size is not
+ // constant for the ricochet blob but its frame_size could not, for
+ // some reasons, be declared as <= 0. This potentially confusing
+ // size declaration should be fixed as another CR.
+ return unextended_sp() + size;
+ }
+ }
+ // else rely on fp()
+ assert(! is_compiled_frame(), "unknown compiled frame size");
+ return fp();
+}