Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/amd64/AMD64CFrame.java @ 3944:35c656d0b685
7090654: nightly failures after 7086585
Reviewed-by: kvn
author | never |
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date | Wed, 14 Sep 2011 13:57:32 -0700 |
parents | c18cbe5936b8 |
children | b87e5a681416 |
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/* * Copyright (c) 2003, 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.amd64; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.debugger.cdbg.basic.*; /** Basic AMD64 frame functionality providing sender() functionality. */ public class AMD64CFrame extends BasicCFrame { private Address rbp; private Address pc; private static final int ADDRESS_SIZE = 8; /** Constructor for topmost frame */ public AMD64CFrame(CDebugger dbg, Address rbp, Address pc) { super(dbg); this.rbp = rbp; this.pc = pc; } public CFrame sender() { if (rbp == null) { return null; } Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE); if (nextRBP == null) { return null; } Address nextPC = rbp.getAddressAt( 1 * ADDRESS_SIZE); if (nextPC == null) { return null; } return new AMD64CFrame(dbg(), nextRBP, nextPC); } public Address pc() { return pc; } public Address localVariableBase() { return rbp; } }