Mercurial > hg > truffle
diff c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTarget.java @ 1423:760213a60e8b
* rewrite of the code installation
* partial support for safepoints
* macro-based CiTargetMethod interface
* code stub support
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Mon, 16 Aug 2010 18:59:36 -0700 |
parents | |
children | 9e5e83ca2259 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTarget.java Mon Aug 16 18:59:36 2010 -0700 @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved. + * + * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is + * described in this document. In particular, and without limitation, these intellectual property rights may include one + * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent + * applications in the U.S. and in other countries. + * + * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard + * license agreement and applicable provisions of the FAR and its supplements. + * + * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered + * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and + * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. + * + * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. + */ +package com.sun.hotspot.c1x; + +import com.sun.cri.ci.*; +import com.sun.cri.ri.*; + +/** + * HotSpot-specific CiTarget that provides the correct stack frame size alignment. + * + * @author Lukas Stadler + */ +public class HotSpotTarget extends CiTarget { + + public HotSpotTarget(CiArchitecture arch, RiRegisterConfig registerConfig, boolean isMP, int spillSlotSize, int wordSize, int referenceSize, int stackAlignment, int pageSize, int cacheAlignment, + int heapAlignment, int codeAlignment, boolean inlineObjects) { + super(arch, registerConfig, isMP, spillSlotSize, wordSize, referenceSize, stackAlignment, pageSize, cacheAlignment, heapAlignment, codeAlignment, inlineObjects); + } + + @Override + public int alignFrameSize(int frameSize) { + // account for the stored rbp value + return super.alignFrameSize(frameSize + wordSize) - wordSize; + } +}