1 /* |
|
2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 * |
|
5 * This code is free software; you can redistribute it and/or modify it |
|
6 * under the terms of the GNU General Public License version 2 only, as |
|
7 * published by the Free Software Foundation. |
|
8 * |
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
|
13 * accompanied this code). |
|
14 * |
|
15 * You should have received a copy of the GNU General Public License version |
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 * |
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 * or visit www.oracle.com if you need additional information or have any |
|
21 * questions. |
|
22 * |
|
23 */ |
|
24 |
|
25 package sun.jvm.hotspot.asm.sparc; |
|
26 |
|
27 import sun.jvm.hotspot.asm.*; |
|
28 import java.io.*; |
|
29 import java.util.*; |
|
30 |
|
31 // Please refer to "The SPARC Architecture Manual - Version 8" |
|
32 |
|
33 public class SPARCV8Disassembler extends SPARCDisassembler { |
|
34 |
|
35 public SPARCV8Disassembler(long startPc, byte[] code, SPARCInstructionFactory factory) { |
|
36 super(startPc, code, factory); |
|
37 } |
|
38 |
|
39 public SPARCV8Disassembler(long startPc, byte[] code) { |
|
40 this(startPc, code, new SPARCInstructionFactoryImpl()); |
|
41 } |
|
42 |
|
43 // decoders for format 2 instructions |
|
44 private static InstructionDecoder format2Decoders[] = { |
|
45 new UnimpDecoder(), |
|
46 illegalDecoder, |
|
47 new IntegerBranchDecoder(), |
|
48 illegalDecoder, |
|
49 new SethiDecoder(), |
|
50 illegalDecoder, |
|
51 new FloatBranchDecoder(), |
|
52 new CoprocessorBranchDecoder() |
|
53 }; |
|
54 |
|
55 protected InstructionDecoder getFormat2Decoder(int op2) { |
|
56 return format2Decoders[op2]; |
|
57 } |
|
58 |
|
59 // op3 decoder table for op=3 (FORMAT_3) instructions - (memory instructions) |
|
60 // Appendix F - Opcodes and Condition Codes - Page 229 - Table F-4 |
|
61 |
|
62 private static final InstructionDecoder format3Decoders[][] = { |
|
63 { |
|
64 new LoadDecoder(LD, "ld", RTLDT_UNSIGNED_WORD), new AlternateSpaceLoadDecoder(LDA, "lda", RTLDT_UNSIGNED_WORD), |
|
65 new LoadDecoder(LDF,"ld", RTLDT_FL_SINGLE), new SpecialLoadDecoder(LDC,"ld", SPARCSpecialRegisters.CREG) |
|
66 }, |
|
67 { |
|
68 new LoadDecoder(LDUB, "ldub", RTLDT_UNSIGNED_BYTE), new AlternateSpaceLoadDecoder(LDUBA, "lduba", RTLDT_UNSIGNED_BYTE), |
|
69 new SpecialLoadDecoder(LDFSR, "ld", SPARCSpecialRegisters.FSR), new SpecialLoadDecoder(LDCSR, "ld", SPARCSpecialRegisters.CSR) |
|
70 }, |
|
71 { |
|
72 new LoadDecoder(LDUH, "lduh", RTLDT_UNSIGNED_HALF), new AlternateSpaceLoadDecoder(LDUHA, "lduha", RTLDT_UNSIGNED_HALF), |
|
73 illegalDecoder, illegalDecoder |
|
74 }, |
|
75 { |
|
76 new LoadDecoder(LDD, "ldd", RTLDT_UNSIGNED_DWORD), new AlternateSpaceLoadDecoder(LDDA, "ldda", RTLDT_UNSIGNED_DWORD), |
|
77 new LoadDecoder(LDDF, "ldd", RTLDT_FL_DOUBLE), new SpecialLoadDecoder(LDDC, "ldd", SPARCSpecialRegisters.CREG) |
|
78 }, |
|
79 { |
|
80 new StoreDecoder(ST, "st", RTLDT_UNSIGNED_WORD), new AlternateSpaceStoreDecoder(STA, "sta", RTLDT_UNSIGNED_WORD), |
|
81 new StoreDecoder(STF, "st", RTLDT_FL_SINGLE), new SpecialStoreDecoder(STC, "st", SPARCSpecialRegisters.CREG) |
|
82 }, |
|
83 { |
|
84 new StoreDecoder(STB, "stb", RTLDT_UNSIGNED_BYTE), new AlternateSpaceStoreDecoder(STBA, "stba", RTLDT_UNSIGNED_BYTE), |
|
85 new SpecialStoreDecoder(STFSR, "st", SPARCSpecialRegisters.FSR), new SpecialStoreDecoder(STCSR, "st", SPARCSpecialRegisters.CSR), |
|
86 }, |
|
87 { |
|
88 new StoreDecoder(STH, "sth", RTLDT_UNSIGNED_HALF), new AlternateSpaceStoreDecoder(STHA, "stha", RTLDT_UNSIGNED_HALF), |
|
89 new SpecialStoreDecoder(STDFQ, "std", SPARCSpecialRegisters.FQ), new SpecialStoreDecoder(STDCQ, "std", SPARCSpecialRegisters.CQ), |
|
90 }, |
|
91 { |
|
92 new StoreDecoder(STD, "std", RTLDT_UNSIGNED_DWORD), new AlternateSpaceStoreDecoder(STDA, "stda", RTLDT_UNSIGNED_DWORD), |
|
93 new StoreDecoder(STDF, "std", RTLDT_FL_DOUBLE), new SpecialStoreDecoder(STDC, "std", SPARCSpecialRegisters.CREG) |
|
94 }, |
|
95 { |
|
96 illegalDecoder, illegalDecoder, |
|
97 illegalDecoder, illegalDecoder |
|
98 }, |
|
99 { |
|
100 new LoadDecoder(LDSB, "ldsb", RTLDT_SIGNED_BYTE), new AlternateSpaceLoadDecoder(LDSBA, "ldsba", RTLDT_UNSIGNED_BYTE), |
|
101 illegalDecoder, illegalDecoder |
|
102 }, |
|
103 { |
|
104 new LoadDecoder(LDSH, "ldsh", RTLDT_SIGNED_HALF), new AlternateSpaceLoadDecoder(LDSHA, "ldsha", RTLDT_UNSIGNED_HALF), |
|
105 illegalDecoder, illegalDecoder |
|
106 }, |
|
107 { |
|
108 illegalDecoder, illegalDecoder, |
|
109 illegalDecoder, illegalDecoder |
|
110 }, |
|
111 { |
|
112 illegalDecoder, illegalDecoder, |
|
113 illegalDecoder, illegalDecoder |
|
114 }, |
|
115 { |
|
116 new LdstubDecoder(LDSTUB, "ldstub", RTLDT_UNSIGNED_BYTE), new AlternateSpaceLdstubDecoder(LDSTUBA, "ldstuba", RTLDT_UNSIGNED_BYTE), |
|
117 illegalDecoder, illegalDecoder |
|
118 }, |
|
119 { |
|
120 illegalDecoder, illegalDecoder, |
|
121 illegalDecoder, illegalDecoder |
|
122 }, |
|
123 { |
|
124 new SwapDecoder(SWAP, "swap", RTLDT_UNSIGNED_WORD), new AlternateSpaceSwapDecoder(SWAPA, "swapa", RTLDT_UNSIGNED_WORD), |
|
125 illegalDecoder, illegalDecoder |
|
126 }, |
|
127 }; |
|
128 |
|
129 protected InstructionDecoder getFormat3Decoder(int row, int column) { |
|
130 return format3Decoders[row][column]; |
|
131 } |
|
132 |
|
133 // op3 decoder table for op=2 (FORMAT_3A) instructions |
|
134 // Appendix F - Opcodes and Condition Codes - Page 228 - Table F-3 |
|
135 protected static final InstructionDecoder format3ADecoders[][] = { |
|
136 { |
|
137 new ArithmeticDecoder(ADD, "add", RTLOP_ADD), new ArithmeticDecoder(ADDcc, "addcc", RTLOP_ADD), |
|
138 new ArithmeticDecoder(TADDcc, "taddcc", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.ASR) |
|
139 }, |
|
140 { |
|
141 new LogicDecoder(AND, "and", RTLOP_AND), new LogicDecoder(ANDcc, "andcc", RTLOP_AND), |
|
142 new ArithmeticDecoder(TSUBcc, "tsubcc", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.PSR) |
|
143 }, |
|
144 { |
|
145 new LogicDecoder(OR, "or", RTLOP_OR), new LogicDecoder(ORcc, "orcc", RTLOP_OR), |
|
146 new ArithmeticDecoder(TADDccTV, "taddcctv", RTLOP_ADD), new WriteDecoder(SPARCSpecialRegisters.WIM) |
|
147 }, |
|
148 { |
|
149 new LogicDecoder(XOR, "xor", RTLOP_XOR), new LogicDecoder(XORcc, "xorcc", RTLOP_XOR), |
|
150 new ArithmeticDecoder(TSUBccTV, "tsubcctv", RTLOP_SUB), new WriteDecoder(SPARCSpecialRegisters.TBR) |
|
151 }, |
|
152 { |
|
153 new ArithmeticDecoder(SUB, "sub", RTLOP_SUB), new ArithmeticDecoder(SUBcc, "subcc", RTLOP_SUB), |
|
154 new ArithmeticDecoder(MULScc, "mulscc", RTLOP_SMUL), new V8FPop1Decoder() |
|
155 }, |
|
156 { |
|
157 new LogicDecoder(ANDN, "andn", RTLOP_NAND), new LogicDecoder(ANDNcc, "andncc", RTLOP_NAND), |
|
158 new ShiftDecoder(SLL, "sll", RTLOP_SLL), new V8FPop2Decoder() |
|
159 }, |
|
160 { |
|
161 new LogicDecoder(ORN, "orn", RTLOP_NOR), new LogicDecoder(ORNcc, "orncc", RTLOP_NOR), |
|
162 new ShiftDecoder(SRL, "srl", RTLOP_SRL), new CoprocessorDecoder(CPop1) |
|
163 }, |
|
164 { |
|
165 new LogicDecoder(XNOR, "xnor", RTLOP_XNOR), new LogicDecoder(XNORcc, "xnorcc", RTLOP_XNOR), |
|
166 new ShiftDecoder(SRA, "sra", RTLOP_SRA), new CoprocessorDecoder(CPop2) |
|
167 }, |
|
168 { |
|
169 new ArithmeticDecoder(ADDX, "addx", RTLOP_ADDC), new ArithmeticDecoder(ADDXcc, "addxcc", RTLOP_ADDC), |
|
170 new ReadDecoder(SPARCSpecialRegisters.ASR), new JmplDecoder() |
|
171 }, |
|
172 { |
|
173 illegalDecoder, illegalDecoder, |
|
174 new ReadDecoder(SPARCSpecialRegisters.PSR), new RettDecoder() |
|
175 }, |
|
176 { |
|
177 new ArithmeticDecoder(UMUL, "umul", RTLOP_UMUL), new ArithmeticDecoder(UMULcc, "umulcc", RTLOP_UMUL), |
|
178 new ReadDecoder(SPARCSpecialRegisters.WIM), new TrapDecoder() |
|
179 }, |
|
180 { |
|
181 new ArithmeticDecoder(SMUL, "smul", RTLOP_SMUL), new ArithmeticDecoder(SMULcc, "smulcc", RTLOP_SMUL), |
|
182 new ReadDecoder(SPARCSpecialRegisters.TBR), new FlushDecoder() |
|
183 }, |
|
184 { |
|
185 new ArithmeticDecoder(SUBX, "subx", RTLOP_SUBC), new ArithmeticDecoder(SUBXcc, "subxcc", RTLOP_SUBC), |
|
186 illegalDecoder, new SaveDecoder() |
|
187 }, |
|
188 { |
|
189 illegalDecoder, illegalDecoder, |
|
190 illegalDecoder, new RestoreDecoder() |
|
191 }, |
|
192 { |
|
193 new ArithmeticDecoder(UDIV, "udiv", RTLOP_UDIV), new ArithmeticDecoder(UDIVcc, "udivcc", RTLOP_UDIV), |
|
194 illegalDecoder, illegalDecoder |
|
195 }, |
|
196 { |
|
197 new ArithmeticDecoder(SDIV, "sdiv", RTLOP_SDIV), new ArithmeticDecoder(SDIVcc, "sdivcc", RTLOP_SDIV), |
|
198 illegalDecoder, illegalDecoder |
|
199 } |
|
200 }; |
|
201 |
|
202 protected InstructionDecoder getFormat3ADecoder(int row, int column) { |
|
203 return format3ADecoders[row][column]; |
|
204 } |
|
205 } |
|