--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/FloatGRPDecoder.java Thu Sep 27 11:26:04 2012 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,163 +0,0 @@
-/*
- * Copyright (c) 2002, 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.asm.x86;
-
-import sun.jvm.hotspot.asm.*;
-
-public class FloatGRPDecoder extends FPInstructionDecoder {
-
- final private int number;
-
- //Please refer to IA-32 Intel Architecture Software Developer's Manual Volume 2
- //APPENDIX A - Escape opcodes
-
- private static final FPInstructionDecoder floatGRPMap[][] = {
- /* d9_2 */
- {
- new FPInstructionDecoder("fnop"),
- null,
- null,
- null,
- null,
- null,
- null,
- null
- },
- /* d9_4 */
- {
- new FPInstructionDecoder("fchs"),
- new FPInstructionDecoder("fabs"),
- null,
- null,
- new FPInstructionDecoder("ftst"),
- new FPInstructionDecoder("fxam"),
- null,
- null
- },
- /* d9_5 */
- {
- new FPInstructionDecoder("fld1"),
- new FPInstructionDecoder("fldl2t"),
- new FPInstructionDecoder("fldl2e"),
- new FPInstructionDecoder("fldpi"),
- new FPInstructionDecoder("fldlg2"),
- new FPInstructionDecoder("fldln2"),
- new FPInstructionDecoder("fldz"),
- null
- },
- /* d9_6 */
- {
- new FPInstructionDecoder("f2xm1"),
- new FPInstructionDecoder("fyl2x"),
- new FPInstructionDecoder("fptan"),
- new FPInstructionDecoder("fpatan"),
- new FPInstructionDecoder("fxtract"),
- new FPInstructionDecoder("fprem1"),
- new FPInstructionDecoder("fdecstp"),
- new FPInstructionDecoder("fincstp")
- },
- /* d9_7 */
- {
- new FPInstructionDecoder("fprem"),
- new FPInstructionDecoder("fyl2xp1"),
- new FPInstructionDecoder("fsqrt"),
- new FPInstructionDecoder("fsincos"),
- new FPInstructionDecoder("frndint"),
- new FPInstructionDecoder("fscale"),
- new FPInstructionDecoder("fsin"),
- new FPInstructionDecoder("fcos")
- },
- /* da_5 */
- {
- null,
- new FPInstructionDecoder("fucompp"),
- null,
- null,
- null,
- null,
- null,
- null
- },
- /* db_4 */
- {
- new FPInstructionDecoder("feni(287 only)"),
- new FPInstructionDecoder("fdisi(287 only)"),
- new FPInstructionDecoder("fNclex"),
- new FPInstructionDecoder("fNinit"),
- new FPInstructionDecoder("fNsetpm(287 only)"),
- null,
- null,
- null
- },
- /* de_3 */
- {
- null,
- new FPInstructionDecoder("fcompp"),
- null,
- null,
- null,
- null,
- null,
- null
- },
- /* df_4 */
- {
- new FPInstructionDecoder("fNstsw"),
- null,
- null,
- null,
- null,
- null,
- null,
- null
- }
- };
-
- public FloatGRPDecoder(String name, int number) {
- super(name);
- this.number = number;
- }
-
- public Instruction decode(byte[] bytesArray, int index, int instrStartIndex, int segmentOverride, int prefixes, X86InstructionFactory factory) {
- this.byteIndex = index;
- this.instrStartIndex = instrStartIndex;
- this.prefixes = prefixes;
-
- int ModRM = readByte(bytesArray, byteIndex);
- int rm = ModRM & 7;
-
- FPInstructionDecoder instrDecoder = null;
- instrDecoder = floatGRPMap[number][rm];
-
- Instruction instr = null;
- if(instrDecoder != null) {
- instr = instrDecoder.decode(bytesArray, byteIndex, instrStartIndex, segmentOverride, prefixes, factory);
- byteIndex = instrDecoder.getCurrentIndex();
- } else {
- instr = factory.newIllegalInstruction();
- }
- return instr;
- }
-}