| /* |
| * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.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; |
| } |
| } |