hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/x86/X86CFrame.java
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/x86/X86CFrame.java Thu May 23 12:41:23 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2001, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.debugger.cdbg.basic.x86;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.x86.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-/** Basic X86 frame functionality providing sender() functionality. */
-
-public class X86CFrame extends BasicCFrame {
- private Address ebp;
- private Address pc;
-
- private static final int ADDRESS_SIZE = 4;
-
- /** Constructor for topmost frame */
- public X86CFrame(CDebugger dbg, Address ebp, Address pc) {
- super(dbg);
- this.ebp = ebp;
- this.pc = pc;
- }
-
- public CFrame sender(ThreadProxy thread) {
- X86ThreadContext context = (X86ThreadContext) thread.getContext();
- Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);
-
- if ( (ebp == null) || ebp.lessThan(esp) ) {
- return null;
- }
-
- Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
- if (nextEBP == null) {
- return null;
- }
- Address nextPC = ebp.getAddressAt( 1 * ADDRESS_SIZE);
- if (nextPC == null) {
- return null;
- }
- return new X86CFrame(dbg(), nextEBP, nextPC);
- }
-
- public Address pc() {
- return pc;
- }
-
- public Address localVariableBase() {
- return ebp;
- }
-}