Mercurial > hg > graal-compiler
diff agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9PrivilegedRegisterInstruction.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9PrivilegedRegisterInstruction.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,58 @@ +/* + * Copyright 2002 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.asm.sparc; + +import sun.jvm.hotspot.asm.*; + +public abstract class SPARCV9PrivilegedRegisterInstruction extends SPARCInstruction + implements SPARCV9Instruction, /* imports */ SPARCV9PrivilegedRegisters { + protected static final String regNames[] = { + "%tpc", "%tnpc", "%tstate", "%tt", "%tick", "%tba", "%pstate", "%tl", + "%pil", "%cwp", "%cansave", "%canrestore", "%cleanwin", "%otherwin", "%wstate", "%fq" + }; + + protected static String getPrivilegedRegisterName(int regNum) { + if ((regNum > 15 && regNum < 31) || regNum > 31) + return null; + return (regNum == 31)? "%ver" : regNames[regNum]; + } + + final protected int regNum; + + protected abstract String getDescription(); + + protected SPARCV9PrivilegedRegisterInstruction(String name, int regNum) { + super(name); + this.regNum = regNum; + } + + public int getPrivilegedRegisterNumber() { + return regNum; + } + + public String asString(long currentPc, SymbolFinder symFinder) { + return getDescription(); + } +}