Mercurial > hg > truffle
diff graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/ParameterPlace.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/ParameterPlace.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2007, 2011, 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 com.sun.max.asm.gen.cisc.x86; + +/** + * The place/field into which the argument value passed to a parameter is to be assembled. + */ +public enum ParameterPlace { + + MOD_REG("reg field of the modR/M byte"), + MOD_REG_REXR("mod field extension by REX.R bit"), + MOD_RM("rm field of the modR/M byte"), + MOD_RM_REXB("rm field extension by REX.B bit"), + SIB_SCALE("scale field of the SIB byte"), + SIB_INDEX("index field of the SIB byte"), + SIB_INDEX_REXX("SIB index field extension by REX.X bit"), + SIB_BASE("base field of the SIB byte"), + SIB_BASE_REXB("SIB base field extension by REX.B bit"), + APPEND("appended to the instruction"), + OPCODE1("added to the first opcode"), + OPCODE1_REXB("opcode1 extension by REX.B bit"), + OPCODE2("added to the second opcode"), + OPCODE2_REXB("opcode2 extension by REX.B bit"); + + private final String comment; + + private ParameterPlace(String comment) { + this.comment = comment; + } + + public String comment() { + return comment; + } +}