--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/GRPDecoder.java Thu Sep 27 11:25:01 2012 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,320 +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 GRPDecoder extends InstructionDecoder {
-
- final private int number;
- //Please refer to IA-32 Intel Architecture Software Developer's Manual Volume 2
- //APPENDIX A - Table A-4. Opcode Extensions for One and Two-byte Opcodes by Group Number.
- private static final InstructionDecoder grpTable[][] = {
- {
- new ArithmeticDecoder("addb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_ADD),
- new LogicalDecoder("orb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_OR),
- new ArithmeticDecoder("adcb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_ADDC),
- new ArithmeticDecoder("sbbb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_SUBC),
- new LogicalDecoder("andb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_AND),
- new ArithmeticDecoder("subb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_SUB),
- new LogicalDecoder("xorb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_XOR),
- new InstructionDecoder("cmpb", ADDR_E, b_mode, ADDR_I, b_mode)
- },
- {
- new ArithmeticDecoder("addS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_ADD),
- new LogicalDecoder("orS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_OR),
- new ArithmeticDecoder("adcS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_ADDC),
- new ArithmeticDecoder("sbbS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_SUBC),
- new LogicalDecoder("andS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_AND),
- new ArithmeticDecoder("subS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_SUB),
- new LogicalDecoder("xorS", ADDR_E, v_mode, ADDR_I, v_mode, RTLOP_XOR),
- new InstructionDecoder("cmpS", ADDR_E, v_mode, ADDR_I, v_mode)
- },
- {
- new ArithmeticDecoder("addS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_ADD), /*note: sIb here*/
- new LogicalDecoder("orS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_OR),
- new ArithmeticDecoder("adcS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_ADDC),
- new ArithmeticDecoder("sbbS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_SUBC),
- new LogicalDecoder("andS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_AND),
- new ArithmeticDecoder("subS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_SUB),
- new LogicalDecoder("xorS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_XOR),
- new InstructionDecoder("cmpS", ADDR_E, v_mode, ADDR_I, b_mode)
- },
- {
- new RotateDecoder("rolb", ADDR_E, b_mode, ADDR_I, b_mode),
- new RotateDecoder("rorb", ADDR_E, b_mode, ADDR_I, b_mode),
- new RotateDecoder("rclb", ADDR_E, b_mode, ADDR_I, b_mode),
- new RotateDecoder("rcrb", ADDR_E, b_mode, ADDR_I, b_mode),
- new ShiftDecoder("shlb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_SLL),
- new ShiftDecoder("shrb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new ShiftDecoder("sarb", ADDR_E, b_mode, ADDR_I, b_mode, RTLOP_SRA),
- },
- {
- new RotateDecoder("rolS", ADDR_E, v_mode, ADDR_I, b_mode),
- new RotateDecoder("rorS", ADDR_E, v_mode, ADDR_I, b_mode),
- new RotateDecoder("rclS", ADDR_E, v_mode, ADDR_I, b_mode),
- new RotateDecoder("rcrS", ADDR_E, v_mode, ADDR_I, b_mode),
- new ShiftDecoder("shlS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_SLL),
- new ShiftDecoder("shrS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new ShiftDecoder("sarS", ADDR_E, v_mode, ADDR_I, b_mode, RTLOP_SRA)
- },
- {
- new RotateDecoder("rolb", ADDR_E, b_mode),
- new RotateDecoder("rorb", ADDR_E, b_mode),
- new RotateDecoder("rclb", ADDR_E, b_mode),
- new RotateDecoder("rcrb", ADDR_E, b_mode),
- new ShiftDecoder("shlb", ADDR_E, b_mode, RTLOP_SLL),
- new ShiftDecoder("shrb", ADDR_E, b_mode, RTLOP_SRL),
- null,
- new ShiftDecoder("sarb", ADDR_E, b_mode, RTLOP_SRA)
- },
- {
- new RotateDecoder("rolS", ADDR_E, v_mode),
- new RotateDecoder("rorS", ADDR_E, v_mode),
- new RotateDecoder("rclS", ADDR_E, v_mode),
- new RotateDecoder("rcrS", ADDR_E, v_mode),
- new ShiftDecoder("shlS", ADDR_E, v_mode, RTLOP_SLL),
- new ShiftDecoder("shrS", ADDR_E, v_mode, RTLOP_SRL),
- null,
- new ShiftDecoder("sarS", ADDR_E, v_mode, RTLOP_SRA)
- },
- {
- new RotateDecoder("rolb", ADDR_E, b_mode, ADDR_REG, CL),
- new RotateDecoder("rorb", ADDR_E, b_mode, ADDR_REG, CL),
- new RotateDecoder("rclb", ADDR_E, b_mode, ADDR_REG, CL),
- new RotateDecoder("rcrb", ADDR_E, b_mode, ADDR_REG, CL),
- new ShiftDecoder( "shlb", ADDR_E, b_mode, ADDR_REG, CL, RTLOP_SLL),
- new ShiftDecoder("shrb", ADDR_E, b_mode, ADDR_REG, CL, RTLOP_SRL),
- null,
- new ShiftDecoder("sarb", ADDR_E, b_mode, ADDR_REG, CL, RTLOP_SRA)
- },
- {
- new RotateDecoder("rolS", ADDR_E, v_mode, ADDR_REG, CL),
- new RotateDecoder("rorS", ADDR_E, v_mode, ADDR_REG, CL),
- new RotateDecoder("rclS", ADDR_E, v_mode, ADDR_REG, CL),
- new RotateDecoder("rcrS", ADDR_E, v_mode, ADDR_REG, CL),
- new ShiftDecoder("shlS", ADDR_E, v_mode, ADDR_REG, CL, RTLOP_SLL),
- new ShiftDecoder("shrS", ADDR_E, v_mode, ADDR_REG, CL, RTLOP_SRL),
- null,
- new ShiftDecoder("sarS", ADDR_E, v_mode, ADDR_REG, CL, RTLOP_SRA)
- },
- {
- new InstructionDecoder("testb", ADDR_E, b_mode, ADDR_I, b_mode),
- null, /*new InstructionDecoder("(bad)", ADDR_E, b_mode)*/
- new LogicalDecoder("notb", ADDR_E, b_mode, RTLOP_NOT),
- new InstructionDecoder("negb", ADDR_E, b_mode),
- new ArithmeticDecoder("mulb", ADDR_REG, AL, ADDR_E, b_mode, RTLOP_UMUL),
- new ArithmeticDecoder("imulb", ADDR_REG, AL, ADDR_E, b_mode, RTLOP_SMUL),
- new ArithmeticDecoder("divb", ADDR_REG, AL, ADDR_E, b_mode, RTLOP_UDIV),
- new ArithmeticDecoder("idivb", ADDR_REG, AL, ADDR_E, b_mode, RTLOP_SDIV)
- },
- {
- new InstructionDecoder("testS", ADDR_E, v_mode, ADDR_I, v_mode),
- null,
- new LogicalDecoder("notS", ADDR_E, v_mode, RTLOP_NOT),
- new InstructionDecoder("negS", ADDR_E, v_mode),
- new ArithmeticDecoder("mulS", ADDR_REG, EAX, ADDR_E, v_mode, RTLOP_UMUL),
- new ArithmeticDecoder("imulS", ADDR_REG, EAX, ADDR_E, v_mode, RTLOP_SMUL),
- new ArithmeticDecoder("divS", ADDR_REG, EAX, ADDR_E, v_mode, RTLOP_SDIV),
- new ArithmeticDecoder("idivS", ADDR_REG, EAX, ADDR_E, v_mode, RTLOP_SDIV)
- },
- {
- new ArithmeticDecoder("incb", ADDR_E, b_mode, RTLOP_ADD),
- new ArithmeticDecoder("decb", ADDR_E, b_mode, RTLOP_SUB),
- null,
- null,
- null,
- null,
- null,
- null
- },
- {
- new ArithmeticDecoder("incS", ADDR_E, v_mode, RTLOP_ADD),
- new ArithmeticDecoder("decS", ADDR_E, v_mode, RTLOP_SUB),
- new CallDecoder("call", ADDR_E, v_mode),
- new CallDecoder("lcall", ADDR_E, p_mode),
- new JmpDecoder("jmp", ADDR_E, v_mode),
- new JmpDecoder("ljmp", ADDR_E, p_mode),
- new InstructionDecoder("pushS", ADDR_E, v_mode),
- null
- },
- {
- new InstructionDecoder("sldt", ADDR_E, w_mode),
- new InstructionDecoder("str", ADDR_E, w_mode),
- new InstructionDecoder("lldt", ADDR_E, w_mode),
- new InstructionDecoder("ltr", ADDR_E, w_mode),
- new InstructionDecoder("verr", ADDR_E, w_mode),
- new InstructionDecoder("verw", ADDR_E, w_mode),
- null,
- null
- },
- {
- new InstructionDecoder("sgdt", ADDR_E, w_mode),
- new InstructionDecoder("sidt", ADDR_E, w_mode),
- new InstructionDecoder("lgdt", ADDR_E, w_mode),
- new InstructionDecoder("lidt", ADDR_E, w_mode),
- new InstructionDecoder("smsw", ADDR_E, w_mode),
- null,
- new InstructionDecoder("lmsw", ADDR_E, w_mode),
- new InstructionDecoder("invlpg", ADDR_E, w_mode)
- },
- {
- null,
- null,
- null,
- null,
- new InstructionDecoder("btS", ADDR_E, v_mode, ADDR_I, b_mode),
- new InstructionDecoder("btsS", ADDR_E, v_mode, ADDR_I, b_mode),
- new InstructionDecoder("btrS", ADDR_E, v_mode, ADDR_I, b_mode),
- new InstructionDecoder("btcS", ADDR_E, v_mode, ADDR_I, b_mode)
- },
- /*16*/
- {
- null,
- new SSEInstructionDecoder("cmpxch8b", ADDR_W, q_mode),
- null,
- null,
- null,
- null,
- null,
- null
- },
- /*17*/
- {
- null,
- null,
- new SSEShiftDecoder("psrlw", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new SSEShiftDecoder("psraw", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SRA),
- null,
- new SSEShiftDecoder("psllw", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SLL),
- null
- },
- /*18*/
- {
- null,
- null,
- new SSEShiftDecoder("psrld", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new SSEShiftDecoder("psrad", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SRA),
- null,
- new SSEShiftDecoder("pslld", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SLL),
- null
- },
- /*19*/
- {
- null,
- null,
- new SSEShiftDecoder("psrlq", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- null,
- null,
- new SSEShiftDecoder("psllq", ADDR_P, q_mode, ADDR_I, b_mode, RTLOP_SLL),
- null
- },
- /*20 - Grp15*/
- {
- new SSEInstructionDecoder("fxsave"),
- new SSEInstructionDecoder("fxrstor"),
- new SSEInstructionDecoder("ldmxcsr"),
- new SSEInstructionDecoder("stmxcsr"),
- null,
- null,
- null,
- new SSEInstructionDecoder("clflush")
- },
- /*21 - Grp16*/
- {
- new SSEInstructionDecoder("prefetchnta"),
- new SSEInstructionDecoder("prefetcht0"),
- new SSEInstructionDecoder("prefetcht1"),
- new SSEInstructionDecoder("prefetcht2"),
- null,
- null,
- null,
- null
- },
- /*22 - Grp12:66*/
- {
- null,
- null,
- new SSEShiftDecoder("psrlw", ADDR_P, dq_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new SSEShiftDecoder("psraw", ADDR_P, dq_mode, ADDR_I, b_mode, RTLOP_SRA),
- null,
- new SSEShiftDecoder("psllw", ADDR_P, dq_mode, ADDR_I, b_mode, RTLOP_SLL),
- null
- },
- /*23 - Grp13:66*/
- {
- null,
- null,
- new SSEShiftDecoder("psrld", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- new SSEShiftDecoder("psrad", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SRA),
- null,
- new SSEShiftDecoder("pslld", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SLL),
- null
- },
- /*24 - - Grp14:66*/
- {
- null,
- null,
- new SSEShiftDecoder("psrlq", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SRL),
- new SSEShiftDecoder("psrldq", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SRL),
- null,
- null,
- new SSEShiftDecoder("psllq", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SLL),
- new SSEShiftDecoder("psllq", ADDR_W, dq_mode, ADDR_I, b_mode, RTLOP_SLL)
- }
-};
-
- public GRPDecoder(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 reg = (ModRM >> 3) & 7;
-
- InstructionDecoder instrDecoder = grpTable[number][reg];
- Instruction instr = null;
- if(instrDecoder != null) {
- instr = instrDecoder.decode(bytesArray, byteIndex, instrStartIndex, segmentOverride, prefixes, factory);
- byteIndex = instrDecoder.getCurrentIndex();
- } else {
- instr = factory.newIllegalInstruction();
- }
-
- return instr;
- }
-}