| /* |
| * 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.*; |
| import java.io.*; |
| import java.util.*; |
| |
| // Please refer to "The SPARC Architecture Manual - Version 8" |
| |
| public class SPARCV8Disassembler extends SPARCDisassembler { |
| |
| public SPARCV8Disassembler(long startPc, byte[] code, SPARCInstructionFactory factory) { |
| super(startPc, code, factory); |
| } |
| |
| public SPARCV8Disassembler(long startPc, byte[] code) { |
| this(startPc, code, new SPARCInstructionFactoryImpl()); |
| } |
| |
| // decoders for format 2 instructions |
| private static InstructionDecoder format2Decoders[] = { |
| new UnimpDecoder(), |
| illegalDecoder, |
| new IntegerBranchDecoder(), |
| illegalDecoder, |
| new SethiDecoder(), |
| illegalDecoder, |
| new FloatBranchDecoder(), |
| new CoprocessorBranchDecoder() |
| }; |
| |
| protected InstructionDecoder getFormat2Decoder(int op2) { |
| return format2Decoders[op2]; |
| } |
| |
| // op3 decoder table for op=3 (FORMAT_3) instructions - (memory instructions) |
| // Appendix F - Opcodes and Condition Codes - Page 229 - Table F-4 |
| |
| private static final InstructionDecoder format3Decoders[][] = { |
| { |
| new LoadDecoder(LD, "ld", RTLDT_UNSIGNED_WORD), new AlternateSpaceLoadDecoder(LDA, "lda", RTLDT_UNSIGNED_WORD), |
| new LoadDecoder(LDF,"ld", RTLDT_FL_SINGLE), new SpecialLoadDecoder(LDC,"ld", SPARCSpecialRegisters.CREG) |
| }, |
| { |
| new LoadDecoder(LDUB, "ldub", RTLDT_UNSIGNED_BYTE), new AlternateSpaceLoadDecoder(LDUBA, "lduba", RTLDT_UNSIGNED_BYTE), |
| new SpecialLoadDecoder(LDFSR, "ld", SPARCSpecialRegisters.FSR), new SpecialLoadDecoder(LDCSR, "ld", SPARCSpecialRegisters.CSR) |
| }, |
| { |
| new LoadDecoder(LDUH, "lduh", RTLDT_UNSIGNED_HALF), new AlternateSpaceLoadDecoder(LDUHA, "lduha", RTLDT_UNSIGNED_HALF), |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new LoadDecoder(LDD, "ldd", RTLDT_UNSIGNED_DWORD), new AlternateSpaceLoadDecoder(LDDA, "ldda", RTLDT_UNSIGNED_DWORD), |
| new LoadDecoder(LDDF, "ldd", RTLDT_FL_DOUBLE), new SpecialLoadDecoder(LDDC, "ldd", SPARCSpecialRegisters.CREG) |
| }, |
| { |
| new StoreDecoder(ST, "st", RTLDT_UNSIGNED_WORD), new AlternateSpaceStoreDecoder(STA, "sta", RTLDT_UNSIGNED_WORD), |
| new StoreDecoder(STF, "st", RTLDT_FL_SINGLE), new SpecialStoreDecoder(STC, "st", SPARCSpecialRegisters.CREG) |
| }, |
| { |
| new StoreDecoder(STB, "stb", RTLDT_UNSIGNED_BYTE), new AlternateSpaceStoreDecoder(STBA, "stba", RTLDT_UNSIGNED_BYTE), |
| new SpecialStoreDecoder(STFSR, "st", SPARCSpecialRegisters.FSR), new SpecialStoreDecoder(STCSR, "st", SPARCSpecialRegisters.CSR), |
| }, |
| { |
| new StoreDecoder(STH, "sth", RTLDT_UNSIGNED_HALF), new AlternateSpaceStoreDecoder(STHA, "stha", RTLDT_UNSIGNED_HALF), |
| new SpecialStoreDecoder(STDFQ, "std", SPARCSpecialRegisters.FQ), new SpecialStoreDecoder(STDCQ, "std", SPARCSpecialRegisters.CQ), |
| }, |
| { |
| new StoreDecoder(STD, "std", RTLDT_UNSIGNED_DWORD), new AlternateSpaceStoreDecoder(STDA, "stda", RTLDT_UNSIGNED_DWORD), |
| new StoreDecoder(STDF, "std", RTLDT_FL_DOUBLE), new SpecialStoreDecoder(STDC, "std", SPARCSpecialRegisters.CREG) |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new LoadDecoder(LDSB, "ldsb", RTLDT_SIGNED_BYTE), new AlternateSpaceLoadDecoder(LDSBA, "ldsba", RTLDT_UNSIGNED_BYTE), |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new LoadDecoder(LDSH, "ldsh", RTLDT_SIGNED_HALF), new AlternateSpaceLoadDecoder(LDSHA, "ldsha", RTLDT_UNSIGNED_HALF), |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new LdstubDecoder(LDSTUB, "ldstub", RTLDT_UNSIGNED_BYTE), new AlternateSpaceLdstubDecoder(LDSTUBA, "ldstuba", RTLDT_UNSIGNED_BYTE), |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new SwapDecoder(SWAP, "swap", RTLDT_UNSIGNED_WORD), new AlternateSpaceSwapDecoder(SWAPA, "swapa", RTLDT_UNSIGNED_WORD), |
| illegalDecoder, illegalDecoder |
| }, |
| }; |
| |
| protected InstructionDecoder getFormat3Decoder(int row, int column) { |
| return format3Decoders[row][column]; |
| } |
| |
| // op3 decoder table for op=2 (FORMAT_3A) instructions |
| // Appendix F - Opcodes and Condition Codes - Page 228 - Table F-3 |
| protected static final InstructionDecoder format3ADecoders[][] = { |
| { |
| new ArithmeticDecoder(ADD, "add", RTLOP_ADD), new ArithmeticDecoder(ADDcc, "addcc", RTLOP_ADD), |
| new ArithmeticDecoder(TADDcc, "taddcc", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.ASR) |
| }, |
| { |
| new LogicDecoder(AND, "and", RTLOP_AND), new LogicDecoder(ANDcc, "andcc", RTLOP_AND), |
| new ArithmeticDecoder(TSUBcc, "tsubcc", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.PSR) |
| }, |
| { |
| new LogicDecoder(OR, "or", RTLOP_OR), new LogicDecoder(ORcc, "orcc", RTLOP_OR), |
| new ArithmeticDecoder(TADDccTV, "taddcctv", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.WIM) |
| }, |
| { |
| new LogicDecoder(XOR, "xor", RTLOP_XOR), new LogicDecoder(XORcc, "xorcc", RTLOP_XOR), |
| new ArithmeticDecoder(TSUBccTV, "tsubcctv", RTLOP_SUB), new WriteDecoder(SPARCSpecialRegisters.TBR) |
| }, |
| { |
| new ArithmeticDecoder(SUB, "sub", RTLOP_SUB), new ArithmeticDecoder(SUBcc, "subcc", RTLOP_SUB), |
| new ArithmeticDecoder(MULScc, "mulscc", RTLOP_SMUL), new V8FPop1Decoder() |
| }, |
| { |
| new LogicDecoder(ANDN, "andn", RTLOP_NAND), new LogicDecoder(ANDNcc, "andncc", RTLOP_NAND), |
| new ShiftDecoder(SLL, "sll", RTLOP_SLL), new V8FPop2Decoder() |
| }, |
| { |
| new LogicDecoder(ORN, "orn", RTLOP_NOR), new LogicDecoder(ORNcc, "orncc", RTLOP_NOR), |
| new ShiftDecoder(SRL, "srl", RTLOP_SRL), new CoprocessorDecoder(CPop1) |
| }, |
| { |
| new LogicDecoder(XNOR, "xnor", RTLOP_XNOR), new LogicDecoder(XNORcc, "xnorcc", RTLOP_XNOR), |
| new ShiftDecoder(SRA, "sra", RTLOP_SRA), new CoprocessorDecoder(CPop2) |
| }, |
| { |
| new ArithmeticDecoder(ADDX, "addx", RTLOP_ADDC), new ArithmeticDecoder(ADDXcc, "addxcc", RTLOP_ADDC), |
| new ReadDecoder(SPARCSpecialRegisters.ASR), new JmplDecoder() |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| new ReadDecoder(SPARCSpecialRegisters.PSR), new RettDecoder() |
| }, |
| { |
| new ArithmeticDecoder(UMUL, "umul", RTLOP_UMUL), new ArithmeticDecoder(UMULcc, "umulcc", RTLOP_UMUL), |
| new ReadDecoder(SPARCSpecialRegisters.WIM), new TrapDecoder() |
| }, |
| { |
| new ArithmeticDecoder(SMUL, "smul", RTLOP_SMUL), new ArithmeticDecoder(SMULcc, "smulcc", RTLOP_SMUL), |
| new ReadDecoder(SPARCSpecialRegisters.TBR), new FlushDecoder() |
| }, |
| { |
| new ArithmeticDecoder(SUBX, "subx", RTLOP_SUBC), new ArithmeticDecoder(SUBXcc, "subxcc", RTLOP_SUBC), |
| illegalDecoder, new SaveDecoder() |
| }, |
| { |
| illegalDecoder, illegalDecoder, |
| illegalDecoder, new RestoreDecoder() |
| }, |
| { |
| new ArithmeticDecoder(UDIV, "udiv", RTLOP_UDIV), new ArithmeticDecoder(UDIVcc, "udivcc", RTLOP_UDIV), |
| illegalDecoder, illegalDecoder |
| }, |
| { |
| new ArithmeticDecoder(SDIV, "sdiv", RTLOP_SDIV), new ArithmeticDecoder(SDIVcc, "sdivcc", RTLOP_SDIV), |
| illegalDecoder, illegalDecoder |
| } |
| }; |
| |
| protected InstructionDecoder getFormat3ADecoder(int row, int column) { |
| return format3ADecoders[row][column]; |
| } |
| } |
