| author | jrose |
| Wed, 09 Jun 2010 18:50:45 -0700 | |
| changeset 5882 | 6b2aecc4f7d8 |
| parent 5547 | f4b087cbb361 |
| child 7662 | 5f31baaff55b |
| permissions | -rw-r--r-- |
| 1 | 1 |
/* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
2 |
* Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved. |
| 1 | 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 |
* |
|
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
21 |
* questions. |
| 1 | 22 |
* |
23 |
*/ |
|
24 |
||
25 |
package sun.jvm.hotspot.interpreter; |
|
26 |
||
27 |
import java.util.*; |
|
28 |
import sun.jvm.hotspot.oops.*; |
|
29 |
import sun.jvm.hotspot.runtime.*; |
|
30 |
import sun.jvm.hotspot.utilities.*; |
|
31 |
||
32 |
// Bytecodes specifies all bytecodes used in the VM and |
|
33 |
// provides utility functions to get bytecode attributes. |
|
34 |
||
35 |
public class Bytecodes {
|
|
36 |
public static final int _illegal = -1; |
|
37 |
||
38 |
// Java bytecodes |
|
39 |
public static final int _nop = 0; // 0x00 |
|
40 |
public static final int _aconst_null = 1; // 0x01 |
|
41 |
public static final int _iconst_m1 = 2; // 0x02 |
|
42 |
public static final int _iconst_0 = 3; // 0x03 |
|
43 |
public static final int _iconst_1 = 4; // 0x04 |
|
44 |
public static final int _iconst_2 = 5; // 0x05 |
|
45 |
public static final int _iconst_3 = 6; // 0x06 |
|
46 |
public static final int _iconst_4 = 7; // 0x07 |
|
47 |
public static final int _iconst_5 = 8; // 0x08 |
|
48 |
public static final int _lconst_0 = 9; // 0x09 |
|
49 |
public static final int _lconst_1 = 10; // 0x0a |
|
50 |
public static final int _fconst_0 = 11; // 0x0b |
|
51 |
public static final int _fconst_1 = 12; // 0x0c |
|
52 |
public static final int _fconst_2 = 13; // 0x0d |
|
53 |
public static final int _dconst_0 = 14; // 0x0e |
|
54 |
public static final int _dconst_1 = 15; // 0x0f |
|
55 |
public static final int _bipush = 16; // 0x10 |
|
56 |
public static final int _sipush = 17; // 0x11 |
|
57 |
public static final int _ldc = 18; // 0x12 |
|
58 |
public static final int _ldc_w = 19; // 0x13 |
|
59 |
public static final int _ldc2_w = 20; // 0x14 |
|
60 |
public static final int _iload = 21; // 0x15 |
|
61 |
public static final int _lload = 22; // 0x16 |
|
62 |
public static final int _fload = 23; // 0x17 |
|
63 |
public static final int _dload = 24; // 0x18 |
|
64 |
public static final int _aload = 25; // 0x19 |
|
65 |
public static final int _iload_0 = 26; // 0x1a |
|
66 |
public static final int _iload_1 = 27; // 0x1b |
|
67 |
public static final int _iload_2 = 28; // 0x1c |
|
68 |
public static final int _iload_3 = 29; // 0x1d |
|
69 |
public static final int _lload_0 = 30; // 0x1e |
|
70 |
public static final int _lload_1 = 31; // 0x1f |
|
71 |
public static final int _lload_2 = 32; // 0x20 |
|
72 |
public static final int _lload_3 = 33; // 0x21 |
|
73 |
public static final int _fload_0 = 34; // 0x22 |
|
74 |
public static final int _fload_1 = 35; // 0x23 |
|
75 |
public static final int _fload_2 = 36; // 0x24 |
|
76 |
public static final int _fload_3 = 37; // 0x25 |
|
77 |
public static final int _dload_0 = 38; // 0x26 |
|
78 |
public static final int _dload_1 = 39; // 0x27 |
|
79 |
public static final int _dload_2 = 40; // 0x28 |
|
80 |
public static final int _dload_3 = 41; // 0x29 |
|
81 |
public static final int _aload_0 = 42; // 0x2a |
|
82 |
public static final int _aload_1 = 43; // 0x2b |
|
83 |
public static final int _aload_2 = 44; // 0x2c |
|
84 |
public static final int _aload_3 = 45; // 0x2d |
|
85 |
public static final int _iaload = 46; // 0x2e |
|
86 |
public static final int _laload = 47; // 0x2f |
|
87 |
public static final int _faload = 48; // 0x30 |
|
88 |
public static final int _daload = 49; // 0x31 |
|
89 |
public static final int _aaload = 50; // 0x32 |
|
90 |
public static final int _baload = 51; // 0x33 |
|
91 |
public static final int _caload = 52; // 0x34 |
|
92 |
public static final int _saload = 53; // 0x35 |
|
93 |
public static final int _istore = 54; // 0x36 |
|
94 |
public static final int _lstore = 55; // 0x37 |
|
95 |
public static final int _fstore = 56; // 0x38 |
|
96 |
public static final int _dstore = 57; // 0x39 |
|
97 |
public static final int _astore = 58; // 0x3a |
|
98 |
public static final int _istore_0 = 59; // 0x3b |
|
99 |
public static final int _istore_1 = 60; // 0x3c |
|
100 |
public static final int _istore_2 = 61; // 0x3d |
|
101 |
public static final int _istore_3 = 62; // 0x3e |
|
102 |
public static final int _lstore_0 = 63; // 0x3f |
|
103 |
public static final int _lstore_1 = 64; // 0x40 |
|
104 |
public static final int _lstore_2 = 65; // 0x41 |
|
105 |
public static final int _lstore_3 = 66; // 0x42 |
|
106 |
public static final int _fstore_0 = 67; // 0x43 |
|
107 |
public static final int _fstore_1 = 68; // 0x44 |
|
108 |
public static final int _fstore_2 = 69; // 0x45 |
|
109 |
public static final int _fstore_3 = 70; // 0x46 |
|
110 |
public static final int _dstore_0 = 71; // 0x47 |
|
111 |
public static final int _dstore_1 = 72; // 0x48 |
|
112 |
public static final int _dstore_2 = 73; // 0x49 |
|
113 |
public static final int _dstore_3 = 74; // 0x4a |
|
114 |
public static final int _astore_0 = 75; // 0x4b |
|
115 |
public static final int _astore_1 = 76; // 0x4c |
|
116 |
public static final int _astore_2 = 77; // 0x4d |
|
117 |
public static final int _astore_3 = 78; // 0x4e |
|
118 |
public static final int _iastore = 79; // 0x4f |
|
119 |
public static final int _lastore = 80; // 0x50 |
|
120 |
public static final int _fastore = 81; // 0x51 |
|
121 |
public static final int _dastore = 82; // 0x52 |
|
122 |
public static final int _aastore = 83; // 0x53 |
|
123 |
public static final int _bastore = 84; // 0x54 |
|
124 |
public static final int _castore = 85; // 0x55 |
|
125 |
public static final int _sastore = 86; // 0x56 |
|
126 |
public static final int _pop = 87; // 0x57 |
|
127 |
public static final int _pop2 = 88; // 0x58 |
|
128 |
public static final int _dup = 89; // 0x59 |
|
129 |
public static final int _dup_x1 = 90; // 0x5a |
|
130 |
public static final int _dup_x2 = 91; // 0x5b |
|
131 |
public static final int _dup2 = 92; // 0x5c |
|
132 |
public static final int _dup2_x1 = 93; // 0x5d |
|
133 |
public static final int _dup2_x2 = 94; // 0x5e |
|
134 |
public static final int _swap = 95; // 0x5f |
|
135 |
public static final int _iadd = 96; // 0x60 |
|
136 |
public static final int _ladd = 97; // 0x61 |
|
137 |
public static final int _fadd = 98; // 0x62 |
|
138 |
public static final int _dadd = 99; // 0x63 |
|
139 |
public static final int _isub = 100; // 0x64 |
|
140 |
public static final int _lsub = 101; // 0x65 |
|
141 |
public static final int _fsub = 102; // 0x66 |
|
142 |
public static final int _dsub = 103; // 0x67 |
|
143 |
public static final int _imul = 104; // 0x68 |
|
144 |
public static final int _lmul = 105; // 0x69 |
|
145 |
public static final int _fmul = 106; // 0x6a |
|
146 |
public static final int _dmul = 107; // 0x6b |
|
147 |
public static final int _idiv = 108; // 0x6c |
|
148 |
public static final int _ldiv = 109; // 0x6d |
|
149 |
public static final int _fdiv = 110; // 0x6e |
|
150 |
public static final int _ddiv = 111; // 0x6f |
|
151 |
public static final int _irem = 112; // 0x70 |
|
152 |
public static final int _lrem = 113; // 0x71 |
|
153 |
public static final int _frem = 114; // 0x72 |
|
154 |
public static final int _drem = 115; // 0x73 |
|
155 |
public static final int _ineg = 116; // 0x74 |
|
156 |
public static final int _lneg = 117; // 0x75 |
|
157 |
public static final int _fneg = 118; // 0x76 |
|
158 |
public static final int _dneg = 119; // 0x77 |
|
159 |
public static final int _ishl = 120; // 0x78 |
|
160 |
public static final int _lshl = 121; // 0x79 |
|
161 |
public static final int _ishr = 122; // 0x7a |
|
162 |
public static final int _lshr = 123; // 0x7b |
|
163 |
public static final int _iushr = 124; // 0x7c |
|
164 |
public static final int _lushr = 125; // 0x7d |
|
165 |
public static final int _iand = 126; // 0x7e |
|
166 |
public static final int _land = 127; // 0x7f |
|
167 |
public static final int _ior = 128; // 0x80 |
|
168 |
public static final int _lor = 129; // 0x81 |
|
169 |
public static final int _ixor = 130; // 0x82 |
|
170 |
public static final int _lxor = 131; // 0x83 |
|
171 |
public static final int _iinc = 132; // 0x84 |
|
172 |
public static final int _i2l = 133; // 0x85 |
|
173 |
public static final int _i2f = 134; // 0x86 |
|
174 |
public static final int _i2d = 135; // 0x87 |
|
175 |
public static final int _l2i = 136; // 0x88 |
|
176 |
public static final int _l2f = 137; // 0x89 |
|
177 |
public static final int _l2d = 138; // 0x8a |
|
178 |
public static final int _f2i = 139; // 0x8b |
|
179 |
public static final int _f2l = 140; // 0x8c |
|
180 |
public static final int _f2d = 141; // 0x8d |
|
181 |
public static final int _d2i = 142; // 0x8e |
|
182 |
public static final int _d2l = 143; // 0x8f |
|
183 |
public static final int _d2f = 144; // 0x90 |
|
184 |
public static final int _i2b = 145; // 0x91 |
|
185 |
public static final int _i2c = 146; // 0x92 |
|
186 |
public static final int _i2s = 147; // 0x93 |
|
187 |
public static final int _lcmp = 148; // 0x94 |
|
188 |
public static final int _fcmpl = 149; // 0x95 |
|
189 |
public static final int _fcmpg = 150; // 0x96 |
|
190 |
public static final int _dcmpl = 151; // 0x97 |
|
191 |
public static final int _dcmpg = 152; // 0x98 |
|
192 |
public static final int _ifeq = 153; // 0x99 |
|
193 |
public static final int _ifne = 154; // 0x9a |
|
194 |
public static final int _iflt = 155; // 0x9b |
|
195 |
public static final int _ifge = 156; // 0x9c |
|
196 |
public static final int _ifgt = 157; // 0x9d |
|
197 |
public static final int _ifle = 158; // 0x9e |
|
198 |
public static final int _if_icmpeq = 159; // 0x9f |
|
199 |
public static final int _if_icmpne = 160; // 0xa0 |
|
200 |
public static final int _if_icmplt = 161; // 0xa1 |
|
201 |
public static final int _if_icmpge = 162; // 0xa2 |
|
202 |
public static final int _if_icmpgt = 163; // 0xa3 |
|
203 |
public static final int _if_icmple = 164; // 0xa4 |
|
204 |
public static final int _if_acmpeq = 165; // 0xa5 |
|
205 |
public static final int _if_acmpne = 166; // 0xa6 |
|
206 |
public static final int _goto = 167; // 0xa7 |
|
207 |
public static final int _jsr = 168; // 0xa8 |
|
208 |
public static final int _ret = 169; // 0xa9 |
|
209 |
public static final int _tableswitch = 170; // 0xaa |
|
210 |
public static final int _lookupswitch = 171; // 0xab |
|
211 |
public static final int _ireturn = 172; // 0xac |
|
212 |
public static final int _lreturn = 173; // 0xad |
|
213 |
public static final int _freturn = 174; // 0xae |
|
214 |
public static final int _dreturn = 175; // 0xaf |
|
215 |
public static final int _areturn = 176; // 0xb0 |
|
216 |
public static final int _return = 177; // 0xb1 |
|
217 |
public static final int _getstatic = 178; // 0xb2 |
|
218 |
public static final int _putstatic = 179; // 0xb3 |
|
219 |
public static final int _getfield = 180; // 0xb4 |
|
220 |
public static final int _putfield = 181; // 0xb5 |
|
221 |
public static final int _invokevirtual = 182; // 0xb6 |
|
222 |
public static final int _invokespecial = 183; // 0xb7 |
|
223 |
public static final int _invokestatic = 184; // 0xb8 |
|
224 |
public static final int _invokeinterface = 185; // 0xb9 |
|
| 5882 | 225 |
public static final int _invokedynamic = 186; // 0xba |
| 1 | 226 |
public static final int _new = 187; // 0xbb |
227 |
public static final int _newarray = 188; // 0xbc |
|
228 |
public static final int _anewarray = 189; // 0xbd |
|
229 |
public static final int _arraylength = 190; // 0xbe |
|
230 |
public static final int _athrow = 191; // 0xbf |
|
231 |
public static final int _checkcast = 192; // 0xc0 |
|
232 |
public static final int _instanceof = 193; // 0xc1 |
|
233 |
public static final int _monitorenter = 194; // 0xc2 |
|
234 |
public static final int _monitorexit = 195; // 0xc3 |
|
235 |
public static final int _wide = 196; // 0xc4 |
|
236 |
public static final int _multianewarray = 197; // 0xc5 |
|
237 |
public static final int _ifnull = 198; // 0xc6 |
|
238 |
public static final int _ifnonnull = 199; // 0xc7 |
|
239 |
public static final int _goto_w = 200; // 0xc8 |
|
240 |
public static final int _jsr_w = 201; // 0xc9 |
|
241 |
public static final int _breakpoint = 202; // 0xca |
|
242 |
||
243 |
public static final int number_of_java_codes = 203; |
|
244 |
||
245 |
// JVM bytecodes |
|
246 |
public static final int _fast_agetfield = number_of_java_codes; |
|
247 |
public static final int _fast_bgetfield = 204; |
|
248 |
public static final int _fast_cgetfield = 205; |
|
249 |
public static final int _fast_dgetfield = 206; |
|
250 |
public static final int _fast_fgetfield = 207; |
|
251 |
public static final int _fast_igetfield = 208; |
|
252 |
public static final int _fast_lgetfield = 209; |
|
253 |
public static final int _fast_sgetfield = 210; |
|
254 |
public static final int _fast_aputfield = 211; |
|
255 |
public static final int _fast_bputfield = 212; |
|
256 |
public static final int _fast_cputfield = 213; |
|
257 |
public static final int _fast_dputfield = 214; |
|
258 |
public static final int _fast_fputfield = 215; |
|
259 |
public static final int _fast_iputfield = 216; |
|
260 |
public static final int _fast_lputfield = 217; |
|
261 |
public static final int _fast_sputfield = 218; |
|
262 |
public static final int _fast_aload_0 = 219; |
|
263 |
public static final int _fast_iaccess_0 = 220; |
|
264 |
public static final int _fast_aaccess_0 = 221; |
|
265 |
public static final int _fast_faccess_0 = 222; |
|
266 |
public static final int _fast_iload = 223; |
|
267 |
public static final int _fast_iload2 = 224; |
|
268 |
public static final int _fast_icaload = 225; |
|
269 |
public static final int _fast_invokevfinal = 226; |
|
270 |
public static final int _fast_linearswitch = 227; |
|
271 |
public static final int _fast_binaryswitch = 228; |
|
| 5882 | 272 |
public static final int _fast_aldc = 229; |
273 |
public static final int _fast_aldc_w = 230; |
|
274 |
public static final int _return_register_finalizer = 231; |
|
275 |
public static final int _shouldnotreachhere = 232; // For debugging |
|
| 1 | 276 |
|
| 5882 | 277 |
public static final int number_of_codes = 233; |
| 1 | 278 |
|
279 |
public static int specialLengthAt(Method method, int bci) {
|
|
280 |
int code = codeAt(method, bci); |
|
281 |
switch (code) {
|
|
282 |
case _wide: |
|
283 |
return wideLengthFor(method.getBytecodeOrBPAt(bci + 1)); |
|
284 |
case _tableswitch: |
|
285 |
{
|
|
286 |
int alignedBCI = Bits.roundTo(bci + 1, jintSize); |
|
287 |
int lo = method.getBytecodeIntArg(alignedBCI + 1*jintSize); |
|
288 |
int hi = method.getBytecodeIntArg(alignedBCI + 2*jintSize); |
|
289 |
return (alignedBCI - bci) + (3 + hi - lo + 1)*jintSize; |
|
290 |
} |
|
291 |
||
292 |
case _lookupswitch: // fall through |
|
293 |
case _fast_binaryswitch: // fall through |
|
294 |
case _fast_linearswitch: |
|
295 |
{
|
|
296 |
int alignedBCI = Bits.roundTo(bci + 1, jintSize); |
|
297 |
int npairs = method.getBytecodeIntArg(alignedBCI + jintSize); |
|
298 |
return (alignedBCI - bci) + (2 + 2*npairs)*jintSize; |
|
299 |
} |
|
300 |
||
301 |
} |
|
302 |
throw new RuntimeException("should not reach here");
|
|
303 |
} |
|
304 |
||
305 |
// Conversion |
|
306 |
public static void check(int code) {
|
|
307 |
if (Assert.ASSERTS_ENABLED) {
|
|
308 |
Assert.that(isDefined(code), "illegal code " + code); |
|
309 |
} |
|
310 |
} |
|
311 |
public static void wideCheck(int code) {
|
|
312 |
if (Assert.ASSERTS_ENABLED) {
|
|
313 |
Assert.that(wideIsDefined(code), "illegal code " + code); |
|
314 |
} |
|
315 |
} |
|
316 |
||
317 |
/** Fetches a bytecode, hiding breakpoints as necessary */ |
|
318 |
public static int codeAt(Method method, int bci) {
|
|
319 |
int res = codeOrBPAt(method, bci); |
|
320 |
if (res == _breakpoint) {
|
|
321 |
res = method.getOrigBytecodeAt(bci); |
|
322 |
} |
|
323 |
return res; |
|
324 |
} |
|
325 |
||
326 |
/** Fetches a bytecode or a breakpoint */ |
|
327 |
public static int codeOrBPAt(Method method, int bci) {
|
|
328 |
return method.getBytecodeOrBPAt(bci); |
|
329 |
} |
|
330 |
||
331 |
public static boolean isActiveBreakpointAt(Method method, int bci) {
|
|
332 |
return (codeOrBPAt(method, bci) == _breakpoint); |
|
333 |
} |
|
334 |
||
335 |
// find a bytecode, behind a breakpoint if necessary: |
|
336 |
// FIXME: not yet implementable |
|
337 |
// static Code non_breakpoint_code_at(address bcp, methodOop method = null); |
|
338 |
||
339 |
// Bytecode attributes |
|
340 |
public static boolean isDefined (int code) { return 0 <= code && code < number_of_codes && _format[code] != null; }
|
|
341 |
public static boolean wideIsDefined(int code) { return isDefined(code) && _wide_format[code] != null; }
|
|
342 |
public static String name (int code) { check(code); return _name [code]; }
|
|
343 |
public static String format (int code) { check(code); return _format [code]; }
|
|
344 |
public static String wideFormat (int code) { wideCheck(code); return _wide_format [code]; }
|
|
345 |
public static int resultType (int code) { check(code); return _result_type [code]; }
|
|
346 |
public static int depth (int code) { check(code); return _depth [code]; }
|
|
347 |
public static int lengthFor (int code) { check(code); return _length [code]; }
|
|
348 |
public static boolean canTrap (int code) { check(code); return _can_trap [code]; }
|
|
349 |
public static int javaCode (int code) { check(code); return _java_code [code]; }
|
|
350 |
public static boolean canRewrite (int code) { check(code); return _can_rewrite [code]; }
|
|
351 |
public static int wideLengthFor(int code) { wideCheck(code); return wideFormat(code).length(); }
|
|
352 |
public static int lengthAt (Method method, int bci) { int l = lengthFor(codeAt(method, bci)); return l > 0 ? l : specialLengthAt(method, bci); }
|
|
353 |
public static int javaLengthAt (Method method, int bci) { int l = lengthFor(javaCode(codeAt(method, bci))); return l > 0 ? l : specialLengthAt(method, bci); }
|
|
354 |
public static boolean isJavaCode (int code) { return 0 <= code && code < number_of_java_codes; }
|
|
355 |
public static boolean isFastCode (int code) { return number_of_java_codes <= code && code < number_of_codes; }
|
|
356 |
||
357 |
public static boolean isAload (int code) { return (code == _aload || code == _aload_0 || code == _aload_1
|
|
358 |
|| code == _aload_2 || code == _aload_3); } |
|
359 |
public static boolean isAstore (int code) { return (code == _astore || code == _astore_0 || code == _astore_1
|
|
360 |
|| code == _astore_2 || code == _astore_3); } |
|
361 |
||
362 |
public static boolean isZeroConst (int code) { return (code == _aconst_null || code == _iconst_0
|
|
363 |
|| code == _fconst_0 || code == _dconst_0); } |
|
364 |
||
365 |
//---------------------------------------------------------------------- |
|
366 |
// Internals only below this point |
|
367 |
// |
|
368 |
||
369 |
private static String[] _name; |
|
370 |
private static String[] _format; |
|
371 |
private static String[] _wide_format; |
|
372 |
private static int[] _result_type; |
|
373 |
private static byte[] _depth; |
|
374 |
private static byte[] _length; |
|
375 |
private static boolean[] _can_trap; |
|
376 |
private static int[] _java_code; |
|
377 |
private static boolean[] _can_rewrite; |
|
378 |
||
379 |
static {
|
|
380 |
_name = new String [number_of_codes]; |
|
381 |
_format = new String [number_of_codes]; |
|
382 |
_wide_format = new String [number_of_codes]; |
|
383 |
_result_type = new int [number_of_codes]; // See BasicType.java |
|
384 |
_depth = new byte [number_of_codes]; |
|
385 |
_length = new byte [number_of_codes]; |
|
386 |
_can_trap = new boolean[number_of_codes]; |
|
387 |
_java_code = new int [number_of_codes]; |
|
388 |
_can_rewrite = new boolean[number_of_codes]; |
|
389 |
||
390 |
// In case we want to fetch this information from the VM in the |
|
391 |
// future |
|
392 |
VM.registerVMInitializedObserver(new Observer() {
|
|
393 |
public void update(Observable o, Object data) {
|
|
394 |
initialize(); |
|
395 |
} |
|
396 |
}); |
|
397 |
} |
|
398 |
||
399 |
private static final int jintSize = 4; |
|
400 |
||
401 |
// private static String[] _name = new String [number_of_codes]; |
|
402 |
// private static String[] _format = new String [number_of_codes]; |
|
403 |
// private static String[] _wide_format = new String [number_of_codes]; |
|
404 |
// private static int[] _result_type = new int [number_of_codes]; // See BasicType.java |
|
405 |
// private static byte[] _depth = new byte [number_of_codes]; |
|
406 |
// private static byte[] _length = new byte [number_of_codes]; |
|
407 |
// private static boolean[] _can_trap = new boolean[number_of_codes]; |
|
408 |
// private static int[] _java_code = new int [number_of_codes]; |
|
409 |
// private static boolean[] _can_rewrite = new boolean[number_of_codes]; |
|
410 |
||
411 |
// Initialization |
|
412 |
private static void initialize() {
|
|
413 |
if (Assert.ASSERTS_ENABLED) {
|
|
414 |
Assert.that(number_of_codes <= 256, "too many bytecodes"); |
|
415 |
} |
|
416 |
||
417 |
// Format strings interpretation: |
|
418 |
// |
|
419 |
// b: bytecode |
|
420 |
// c: signed constant, Java byte-ordering |
|
421 |
// i: unsigned index , Java byte-ordering |
|
422 |
// j: unsigned index , native byte-ordering |
|
423 |
// o: branch offset , Java byte-ordering |
|
424 |
// _: unused/ignored |
|
425 |
// w: wide bytecode |
|
426 |
// |
|
427 |
// Note: Right now the format strings are used for 2 purposes: |
|
428 |
// 1. to specify the length of the bytecode |
|
429 |
// (= number of characters in format string) |
|
430 |
// 2. to specify the bytecode attributes |
|
431 |
// |
|
432 |
// The bytecode attributes are currently used only for bytecode tracing |
|
433 |
// (see BytecodeTracer); thus if more specific format information is |
|
434 |
// used, one would also have to adjust the bytecode tracer. |
|
435 |
// |
|
436 |
// Note: For bytecodes with variable length, the format string is the empty string. |
|
437 |
||
438 |
// Note 1: null for the format string means the bytecode doesn't exist |
|
439 |
// in that form. |
|
440 |
// |
|
441 |
// Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack |
|
442 |
// type after execution is not only determined by the bytecode itself. |
|
443 |
||
444 |
// Java bytecodes |
|
445 |
// bytecode bytecode name format wide f. result tp stk traps |
|
446 |
def(_nop , "nop" , "b" , null , BasicType.getTVoid() , 0, false); |
|
447 |
def(_aconst_null , "aconst_null" , "b" , null , BasicType.getTObject() , 1, false); |
|
448 |
def(_iconst_m1 , "iconst_m1" , "b" , null , BasicType.getTInt() , 1, false); |
|
449 |
def(_iconst_0 , "iconst_0" , "b" , null , BasicType.getTInt() , 1, false); |
|
450 |
def(_iconst_1 , "iconst_1" , "b" , null , BasicType.getTInt() , 1, false); |
|
451 |
def(_iconst_2 , "iconst_2" , "b" , null , BasicType.getTInt() , 1, false); |
|
452 |
def(_iconst_3 , "iconst_3" , "b" , null , BasicType.getTInt() , 1, false); |
|
453 |
def(_iconst_4 , "iconst_4" , "b" , null , BasicType.getTInt() , 1, false); |
|
454 |
def(_iconst_5 , "iconst_5" , "b" , null , BasicType.getTInt() , 1, false); |
|
455 |
def(_lconst_0 , "lconst_0" , "b" , null , BasicType.getTLong() , 2, false); |
|
456 |
def(_lconst_1 , "lconst_1" , "b" , null , BasicType.getTLong() , 2, false); |
|
457 |
def(_fconst_0 , "fconst_0" , "b" , null , BasicType.getTFloat() , 1, false); |
|
458 |
def(_fconst_1 , "fconst_1" , "b" , null , BasicType.getTFloat() , 1, false); |
|
459 |
def(_fconst_2 , "fconst_2" , "b" , null , BasicType.getTFloat() , 1, false); |
|
460 |
def(_dconst_0 , "dconst_0" , "b" , null , BasicType.getTDouble() , 2, false); |
|
461 |
def(_dconst_1 , "dconst_1" , "b" , null , BasicType.getTDouble() , 2, false); |
|
462 |
def(_bipush , "bipush" , "bc" , null , BasicType.getTInt() , 1, false); |
|
463 |
def(_sipush , "sipush" , "bcc" , null , BasicType.getTInt() , 1, false); |
|
| 5882 | 464 |
def(_ldc , "ldc" , "bk" , null , BasicType.getTIllegal(), 1, true ); |
465 |
def(_ldc_w , "ldc_w" , "bkk" , null , BasicType.getTIllegal(), 1, true ); |
|
466 |
def(_ldc2_w , "ldc2_w" , "bkk" , null , BasicType.getTIllegal(), 2, true ); |
|
| 1 | 467 |
def(_iload , "iload" , "bi" , "wbii" , BasicType.getTInt() , 1, false); |
468 |
def(_lload , "lload" , "bi" , "wbii" , BasicType.getTLong() , 2, false); |
|
469 |
def(_fload , "fload" , "bi" , "wbii" , BasicType.getTFloat() , 1, false); |
|
470 |
def(_dload , "dload" , "bi" , "wbii" , BasicType.getTDouble() , 2, false); |
|
471 |
def(_aload , "aload" , "bi" , "wbii" , BasicType.getTObject() , 1, false); |
|
472 |
def(_iload_0 , "iload_0" , "b" , null , BasicType.getTInt() , 1, false); |
|
473 |
def(_iload_1 , "iload_1" , "b" , null , BasicType.getTInt() , 1, false); |
|
474 |
def(_iload_2 , "iload_2" , "b" , null , BasicType.getTInt() , 1, false); |
|
475 |
def(_iload_3 , "iload_3" , "b" , null , BasicType.getTInt() , 1, false); |
|
476 |
def(_lload_0 , "lload_0" , "b" , null , BasicType.getTLong() , 2, false); |
|
477 |
def(_lload_1 , "lload_1" , "b" , null , BasicType.getTLong() , 2, false); |
|
478 |
def(_lload_2 , "lload_2" , "b" , null , BasicType.getTLong() , 2, false); |
|
479 |
def(_lload_3 , "lload_3" , "b" , null , BasicType.getTLong() , 2, false); |
|
480 |
def(_fload_0 , "fload_0" , "b" , null , BasicType.getTFloat() , 1, false); |
|
481 |
def(_fload_1 , "fload_1" , "b" , null , BasicType.getTFloat() , 1, false); |
|
482 |
def(_fload_2 , "fload_2" , "b" , null , BasicType.getTFloat() , 1, false); |
|
483 |
def(_fload_3 , "fload_3" , "b" , null , BasicType.getTFloat() , 1, false); |
|
484 |
def(_dload_0 , "dload_0" , "b" , null , BasicType.getTDouble() , 2, false); |
|
485 |
def(_dload_1 , "dload_1" , "b" , null , BasicType.getTDouble() , 2, false); |
|
486 |
def(_dload_2 , "dload_2" , "b" , null , BasicType.getTDouble() , 2, false); |
|
487 |
def(_dload_3 , "dload_3" , "b" , null , BasicType.getTDouble() , 2, false); |
|
488 |
def(_aload_0 , "aload_0" , "b" , null , BasicType.getTObject() , 1, true ); // rewriting in interpreter |
|
489 |
def(_aload_1 , "aload_1" , "b" , null , BasicType.getTObject() , 1, false); |
|
490 |
def(_aload_2 , "aload_2" , "b" , null , BasicType.getTObject() , 1, false); |
|
491 |
def(_aload_3 , "aload_3" , "b" , null , BasicType.getTObject() , 1, false); |
|
492 |
def(_iaload , "iaload" , "b" , null , BasicType.getTInt() , -1, true ); |
|
493 |
def(_laload , "laload" , "b" , null , BasicType.getTLong() , 0, true ); |
|
494 |
def(_faload , "faload" , "b" , null , BasicType.getTFloat() , -1, true ); |
|
495 |
def(_daload , "daload" , "b" , null , BasicType.getTDouble() , 0, true ); |
|
496 |
def(_aaload , "aaload" , "b" , null , BasicType.getTObject() , -1, true ); |
|
497 |
def(_baload , "baload" , "b" , null , BasicType.getTInt() , -1, true ); |
|
498 |
def(_caload , "caload" , "b" , null , BasicType.getTInt() , -1, true ); |
|
499 |
def(_saload , "saload" , "b" , null , BasicType.getTInt() , -1, true ); |
|
500 |
def(_istore , "istore" , "bi" , "wbii" , BasicType.getTVoid() , -1, false); |
|
501 |
def(_lstore , "lstore" , "bi" , "wbii" , BasicType.getTVoid() , -2, false); |
|
502 |
def(_fstore , "fstore" , "bi" , "wbii" , BasicType.getTVoid() , -1, false); |
|
503 |
def(_dstore , "dstore" , "bi" , "wbii" , BasicType.getTVoid() , -2, false); |
|
504 |
def(_astore , "astore" , "bi" , "wbii" , BasicType.getTVoid() , -1, false); |
|
505 |
def(_istore_0 , "istore_0" , "b" , null , BasicType.getTVoid() , -1, false); |
|
506 |
def(_istore_1 , "istore_1" , "b" , null , BasicType.getTVoid() , -1, false); |
|
507 |
def(_istore_2 , "istore_2" , "b" , null , BasicType.getTVoid() , -1, false); |
|
508 |
def(_istore_3 , "istore_3" , "b" , null , BasicType.getTVoid() , -1, false); |
|
509 |
def(_lstore_0 , "lstore_0" , "b" , null , BasicType.getTVoid() , -2, false); |
|
510 |
def(_lstore_1 , "lstore_1" , "b" , null , BasicType.getTVoid() , -2, false); |
|
511 |
def(_lstore_2 , "lstore_2" , "b" , null , BasicType.getTVoid() , -2, false); |
|
512 |
def(_lstore_3 , "lstore_3" , "b" , null , BasicType.getTVoid() , -2, false); |
|
513 |
def(_fstore_0 , "fstore_0" , "b" , null , BasicType.getTVoid() , -1, false); |
|
514 |
def(_fstore_1 , "fstore_1" , "b" , null , BasicType.getTVoid() , -1, false); |
|
515 |
def(_fstore_2 , "fstore_2" , "b" , null , BasicType.getTVoid() , -1, false); |
|
516 |
def(_fstore_3 , "fstore_3" , "b" , null , BasicType.getTVoid() , -1, false); |
|
517 |
def(_dstore_0 , "dstore_0" , "b" , null , BasicType.getTVoid() , -2, false); |
|
518 |
def(_dstore_1 , "dstore_1" , "b" , null , BasicType.getTVoid() , -2, false); |
|
519 |
def(_dstore_2 , "dstore_2" , "b" , null , BasicType.getTVoid() , -2, false); |
|
520 |
def(_dstore_3 , "dstore_3" , "b" , null , BasicType.getTVoid() , -2, false); |
|
521 |
def(_astore_0 , "astore_0" , "b" , null , BasicType.getTVoid() , -1, false); |
|
522 |
def(_astore_1 , "astore_1" , "b" , null , BasicType.getTVoid() , -1, false); |
|
523 |
def(_astore_2 , "astore_2" , "b" , null , BasicType.getTVoid() , -1, false); |
|
524 |
def(_astore_3 , "astore_3" , "b" , null , BasicType.getTVoid() , -1, false); |
|
525 |
def(_iastore , "iastore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
526 |
def(_lastore , "lastore" , "b" , null , BasicType.getTVoid() , -4, true ); |
|
527 |
def(_fastore , "fastore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
528 |
def(_dastore , "dastore" , "b" , null , BasicType.getTVoid() , -4, true ); |
|
529 |
def(_aastore , "aastore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
530 |
def(_bastore , "bastore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
531 |
def(_castore , "castore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
532 |
def(_sastore , "sastore" , "b" , null , BasicType.getTVoid() , -3, true ); |
|
533 |
def(_pop , "pop" , "b" , null , BasicType.getTVoid() , -1, false); |
|
534 |
def(_pop2 , "pop2" , "b" , null , BasicType.getTVoid() , -2, false); |
|
535 |
def(_dup , "dup" , "b" , null , BasicType.getTVoid() , 1, false); |
|
536 |
def(_dup_x1 , "dup_x1" , "b" , null , BasicType.getTVoid() , 1, false); |
|
537 |
def(_dup_x2 , "dup_x2" , "b" , null , BasicType.getTVoid() , 1, false); |
|
538 |
def(_dup2 , "dup2" , "b" , null , BasicType.getTVoid() , 2, false); |
|
539 |
def(_dup2_x1 , "dup2_x1" , "b" , null , BasicType.getTVoid() , 2, false); |
|
540 |
def(_dup2_x2 , "dup2_x2" , "b" , null , BasicType.getTVoid() , 2, false); |
|
541 |
def(_swap , "swap" , "b" , null , BasicType.getTVoid() , 0, false); |
|
542 |
def(_iadd , "iadd" , "b" , null , BasicType.getTInt() , -1, false); |
|
543 |
def(_ladd , "ladd" , "b" , null , BasicType.getTLong() , -2, false); |
|
544 |
def(_fadd , "fadd" , "b" , null , BasicType.getTFloat() , -1, false); |
|
545 |
def(_dadd , "dadd" , "b" , null , BasicType.getTDouble() , -2, false); |
|
546 |
def(_isub , "isub" , "b" , null , BasicType.getTInt() , -1, false); |
|
547 |
def(_lsub , "lsub" , "b" , null , BasicType.getTLong() , -2, false); |
|
548 |
def(_fsub , "fsub" , "b" , null , BasicType.getTFloat() , -1, false); |
|
549 |
def(_dsub , "dsub" , "b" , null , BasicType.getTDouble() , -2, false); |
|
550 |
def(_imul , "imul" , "b" , null , BasicType.getTInt() , -1, false); |
|
551 |
def(_lmul , "lmul" , "b" , null , BasicType.getTLong() , -2, false); |
|
552 |
def(_fmul , "fmul" , "b" , null , BasicType.getTFloat() , -1, false); |
|
553 |
def(_dmul , "dmul" , "b" , null , BasicType.getTDouble() , -2, false); |
|
554 |
def(_idiv , "idiv" , "b" , null , BasicType.getTInt() , -1, true ); |
|
555 |
def(_ldiv , "ldiv" , "b" , null , BasicType.getTLong() , -2, true ); |
|
556 |
def(_fdiv , "fdiv" , "b" , null , BasicType.getTFloat() , -1, false); |
|
557 |
def(_ddiv , "ddiv" , "b" , null , BasicType.getTDouble() , -2, false); |
|
558 |
def(_irem , "irem" , "b" , null , BasicType.getTInt() , -1, true ); |
|
559 |
def(_lrem , "lrem" , "b" , null , BasicType.getTLong() , -2, true ); |
|
560 |
def(_frem , "frem" , "b" , null , BasicType.getTFloat() , -1, false); |
|
561 |
def(_drem , "drem" , "b" , null , BasicType.getTDouble() , -2, false); |
|
562 |
def(_ineg , "ineg" , "b" , null , BasicType.getTInt() , 0, false); |
|
563 |
def(_lneg , "lneg" , "b" , null , BasicType.getTLong() , 0, false); |
|
564 |
def(_fneg , "fneg" , "b" , null , BasicType.getTFloat() , 0, false); |
|
565 |
def(_dneg , "dneg" , "b" , null , BasicType.getTDouble() , 0, false); |
|
566 |
def(_ishl , "ishl" , "b" , null , BasicType.getTInt() , -1, false); |
|
567 |
def(_lshl , "lshl" , "b" , null , BasicType.getTLong() , -1, false); |
|
568 |
def(_ishr , "ishr" , "b" , null , BasicType.getTInt() , -1, false); |
|
569 |
def(_lshr , "lshr" , "b" , null , BasicType.getTLong() , -1, false); |
|
570 |
def(_iushr , "iushr" , "b" , null , BasicType.getTInt() , -1, false); |
|
571 |
def(_lushr , "lushr" , "b" , null , BasicType.getTLong() , -1, false); |
|
572 |
def(_iand , "iand" , "b" , null , BasicType.getTInt() , -1, false); |
|
573 |
def(_land , "land" , "b" , null , BasicType.getTLong() , -2, false); |
|
574 |
def(_ior , "ior" , "b" , null , BasicType.getTInt() , -1, false); |
|
575 |
def(_lor , "lor" , "b" , null , BasicType.getTLong() , -2, false); |
|
576 |
def(_ixor , "ixor" , "b" , null , BasicType.getTInt() , -1, false); |
|
577 |
def(_lxor , "lxor" , "b" , null , BasicType.getTLong() , -2, false); |
|
578 |
def(_iinc , "iinc" , "bic" , "wbiicc", BasicType.getTVoid() , 0, false); |
|
579 |
def(_i2l , "i2l" , "b" , null , BasicType.getTLong() , 1, false); |
|
580 |
def(_i2f , "i2f" , "b" , null , BasicType.getTFloat() , 0, false); |
|
581 |
def(_i2d , "i2d" , "b" , null , BasicType.getTDouble() , 1, false); |
|
582 |
def(_l2i , "l2i" , "b" , null , BasicType.getTInt() , -1, false); |
|
583 |
def(_l2f , "l2f" , "b" , null , BasicType.getTFloat() , -1, false); |
|
584 |
def(_l2d , "l2d" , "b" , null , BasicType.getTDouble() , 0, false); |
|
585 |
def(_f2i , "f2i" , "b" , null , BasicType.getTInt() , 0, false); |
|
586 |
def(_f2l , "f2l" , "b" , null , BasicType.getTLong() , 1, false); |
|
587 |
def(_f2d , "f2d" , "b" , null , BasicType.getTDouble() , 1, false); |
|
588 |
def(_d2i , "d2i" , "b" , null , BasicType.getTInt() , -1, false); |
|
589 |
def(_d2l , "d2l" , "b" , null , BasicType.getTLong() , 0, false); |
|
590 |
def(_d2f , "d2f" , "b" , null , BasicType.getTFloat() , -1, false); |
|
591 |
def(_i2b , "i2b" , "b" , null , BasicType.getTByte() , 0, false); |
|
592 |
def(_i2c , "i2c" , "b" , null , BasicType.getTChar() , 0, false); |
|
593 |
def(_i2s , "i2s" , "b" , null , BasicType.getTShort() , 0, false); |
|
594 |
def(_lcmp , "lcmp" , "b" , null , BasicType.getTVoid() , -3, false); |
|
595 |
def(_fcmpl , "fcmpl" , "b" , null , BasicType.getTVoid() , -1, false); |
|
596 |
def(_fcmpg , "fcmpg" , "b" , null , BasicType.getTVoid() , -1, false); |
|
597 |
def(_dcmpl , "dcmpl" , "b" , null , BasicType.getTVoid() , -3, false); |
|
598 |
def(_dcmpg , "dcmpg" , "b" , null , BasicType.getTVoid() , -3, false); |
|
599 |
def(_ifeq , "ifeq" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
600 |
def(_ifne , "ifne" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
601 |
def(_iflt , "iflt" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
602 |
def(_ifge , "ifge" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
603 |
def(_ifgt , "ifgt" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
604 |
def(_ifle , "ifle" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
605 |
def(_if_icmpeq , "if_icmpeq" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
606 |
def(_if_icmpne , "if_icmpne" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
607 |
def(_if_icmplt , "if_icmplt" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
608 |
def(_if_icmpge , "if_icmpge" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
609 |
def(_if_icmpgt , "if_icmpgt" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
610 |
def(_if_icmple , "if_icmple" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
611 |
def(_if_acmpeq , "if_acmpeq" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
612 |
def(_if_acmpne , "if_acmpne" , "boo" , null , BasicType.getTVoid() , -2, false); |
|
613 |
def(_goto , "goto" , "boo" , null , BasicType.getTVoid() , 0, false); |
|
614 |
def(_jsr , "jsr" , "boo" , null , BasicType.getTInt() , 0, false); |
|
615 |
def(_ret , "ret" , "bi" , "wbii" , BasicType.getTVoid() , 0, false); |
|
616 |
def(_tableswitch , "tableswitch" , "" , null , BasicType.getTVoid() , -1, false); // may have backward branches |
|
617 |
def(_lookupswitch , "lookupswitch" , "" , null , BasicType.getTVoid() , -1, false); // rewriting in interpreter |
|
618 |
def(_ireturn , "ireturn" , "b" , null , BasicType.getTInt() , -1, true ); |
|
619 |
def(_lreturn , "lreturn" , "b" , null , BasicType.getTLong() , -2, true ); |
|
620 |
def(_freturn , "freturn" , "b" , null , BasicType.getTFloat() , -1, true ); |
|
621 |
def(_dreturn , "dreturn" , "b" , null , BasicType.getTDouble() , -2, true ); |
|
622 |
def(_areturn , "areturn" , "b" , null , BasicType.getTObject() , -1, true ); |
|
623 |
def(_return , "return" , "b" , null , BasicType.getTVoid() , 0, true ); |
|
| 5882 | 624 |
def(_getstatic , "getstatic" , "bJJ" , null , BasicType.getTIllegal(), 1, true ); |
625 |
def(_putstatic , "putstatic" , "bJJ" , null , BasicType.getTIllegal(), -1, true ); |
|
626 |
def(_getfield , "getfield" , "bJJ" , null , BasicType.getTIllegal(), 0, true ); |
|
627 |
def(_putfield , "putfield" , "bJJ" , null , BasicType.getTIllegal(), -2, true ); |
|
628 |
def(_invokevirtual , "invokevirtual" , "bJJ" , null , BasicType.getTIllegal(), -1, true ); |
|
629 |
def(_invokespecial , "invokespecial" , "bJJ" , null , BasicType.getTIllegal(), -1, true ); |
|
630 |
def(_invokestatic , "invokestatic" , "bJJ" , null , BasicType.getTIllegal(), 0, true ); |
|
631 |
def(_invokeinterface , "invokeinterface" , "bJJ__", null , BasicType.getTIllegal(), -1, true ); |
|
632 |
def(_invokedynamic , "invokedynamic" , "bJJJJ", null , BasicType.getTIllegal(), -1, true ); |
|
633 |
def(_new , "new" , "bkk" , null , BasicType.getTObject() , 1, true ); |
|
| 1 | 634 |
def(_newarray , "newarray" , "bc" , null , BasicType.getTObject() , 0, true ); |
| 5882 | 635 |
def(_anewarray , "anewarray" , "bkk" , null , BasicType.getTObject() , 0, true ); |
| 1 | 636 |
def(_arraylength , "arraylength" , "b" , null , BasicType.getTVoid() , 0, true ); |
637 |
def(_athrow , "athrow" , "b" , null , BasicType.getTVoid() , -1, true ); |
|
| 5882 | 638 |
def(_checkcast , "checkcast" , "bkk" , null , BasicType.getTObject() , 0, true ); |
639 |
def(_instanceof , "instanceof" , "bkk" , null , BasicType.getTInt() , 0, true ); |
|
| 1 | 640 |
def(_monitorenter , "monitorenter" , "b" , null , BasicType.getTVoid() , -1, true ); |
641 |
def(_monitorexit , "monitorexit" , "b" , null , BasicType.getTVoid() , -1, true ); |
|
642 |
def(_wide , "wide" , "" , null , BasicType.getTVoid() , 0, false); |
|
| 5882 | 643 |
def(_multianewarray , "multianewarray" , "bkkc" , null , BasicType.getTObject() , 1, true ); |
| 1 | 644 |
def(_ifnull , "ifnull" , "boo" , null , BasicType.getTVoid() , -1, false); |
645 |
def(_ifnonnull , "ifnonnull" , "boo" , null , BasicType.getTVoid() , -1, false); |
|
646 |
def(_goto_w , "goto_w" , "boooo", null , BasicType.getTVoid() , 0, false); |
|
647 |
def(_jsr_w , "jsr_w" , "boooo", null , BasicType.getTInt() , 0, false); |
|
648 |
def(_breakpoint , "breakpoint" , "" , null , BasicType.getTVoid() , 0, true ); |
|
649 |
||
650 |
// JVM bytecodes |
|
651 |
// bytecode bytecode name format wide f. result tp stk traps std code |
|
| 5882 | 652 |
def(_fast_agetfield , "fast_agetfield" , "bJJ" , null , BasicType.getTObject() , 0, true , _getfield ); |
653 |
def(_fast_bgetfield , "fast_bgetfield" , "bJJ" , null , BasicType.getTInt() , 0, true , _getfield ); |
|
654 |
def(_fast_cgetfield , "fast_cgetfield" , "bJJ" , null , BasicType.getTChar() , 0, true , _getfield ); |
|
655 |
def(_fast_dgetfield , "fast_dgetfield" , "bJJ" , null , BasicType.getTDouble() , 0, true , _getfield ); |
|
656 |
def(_fast_fgetfield , "fast_fgetfield" , "bJJ" , null , BasicType.getTFloat() , 0, true , _getfield ); |
|
657 |
def(_fast_igetfield , "fast_igetfield" , "bJJ" , null , BasicType.getTInt() , 0, true , _getfield ); |
|
658 |
def(_fast_lgetfield , "fast_lgetfield" , "bJJ" , null , BasicType.getTLong() , 0, true , _getfield ); |
|
659 |
def(_fast_sgetfield , "fast_sgetfield" , "bJJ" , null , BasicType.getTShort() , 0, true , _getfield ); |
|
| 1 | 660 |
|
| 5882 | 661 |
def(_fast_aputfield , "fast_aputfield" , "bJJ" , null , BasicType.getTObject() , 0, true , _putfield ); |
662 |
def(_fast_bputfield , "fast_bputfield" , "bJJ" , null , BasicType.getTInt() , 0, true , _putfield ); |
|
663 |
def(_fast_cputfield , "fast_cputfield" , "bJJ" , null , BasicType.getTChar() , 0, true , _putfield ); |
|
664 |
def(_fast_dputfield , "fast_dputfield" , "bJJ" , null , BasicType.getTDouble() , 0, true , _putfield ); |
|
665 |
def(_fast_fputfield , "fast_fputfield" , "bJJ" , null , BasicType.getTFloat() , 0, true , _putfield ); |
|
666 |
def(_fast_iputfield , "fast_iputfield" , "bJJ" , null , BasicType.getTInt() , 0, true , _putfield ); |
|
667 |
def(_fast_lputfield , "fast_lputfield" , "bJJ" , null , BasicType.getTLong() , 0, true , _putfield ); |
|
668 |
def(_fast_sputfield , "fast_sputfield" , "bJJ" , null , BasicType.getTShort() , 0, true , _putfield ); |
|
| 1 | 669 |
|
670 |
def(_fast_aload_0 , "fast_aload_0" , "b" , null , BasicType.getTObject() , 1, true , _aload_0 ); |
|
| 5882 | 671 |
def(_fast_iaccess_0 , "fast_iaccess_0" , "b_JJ" , null , BasicType.getTInt() , 1, true , _aload_0 ); |
672 |
def(_fast_aaccess_0 , "fast_aaccess_0" , "b_JJ" , null , BasicType.getTObject() , 1, true , _aload_0 ); |
|
673 |
def(_fast_faccess_0 , "fast_faccess_0" , "b_JJ" , null , BasicType.getTObject() , 1, true , _aload_0 ); |
|
| 1 | 674 |
|
675 |
def(_fast_iload , "fast_iload" , "bi" , null , BasicType.getTInt() , 1, false, _iload); |
|
676 |
def(_fast_iload2 , "fast_iload2" , "bi_i" , null , BasicType.getTInt() , 2, false, _iload); |
|
677 |
def(_fast_icaload , "fast_icaload" , "bi_" , null , BasicType.getTInt() , 0, false, _iload); |
|
678 |
||
679 |
// Faster method invocation. |
|
| 5882 | 680 |
def(_fast_invokevfinal , "fast_invokevfinal" , "bJJ" , null , BasicType.getTIllegal(), -1, true, _invokevirtual); |
| 1 | 681 |
|
682 |
def(_fast_linearswitch , "fast_linearswitch" , "" , null , BasicType.getTVoid() , -1, false, _lookupswitch ); |
|
683 |
def(_fast_binaryswitch , "fast_binaryswitch" , "" , null , BasicType.getTVoid() , -1, false, _lookupswitch ); |
|
| 5882 | 684 |
|
685 |
def(_return_register_finalizer, "return_register_finalizer", "b" , null , BasicType.getTVoid() , 0, true, _return ); |
|
686 |
||
687 |
def(_fast_aldc , "fast_aldc" , "bj" , null , BasicType.getTObject(), 1, true, _ldc ); |
|
688 |
def(_fast_aldc_w , "fast_aldc_w" , "bJJ" , null , BasicType.getTObject(), 1, true, _ldc_w ); |
|
689 |
||
| 1 | 690 |
def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , null , BasicType.getTVoid() , 0, false); |
691 |
||
692 |
if (Assert.ASSERTS_ENABLED) {
|
|
693 |
// compare can_trap information for each bytecode with the |
|
694 |
// can_trap information for the corresponding base bytecode |
|
695 |
// (if a rewritten bytecode can trap, so must the base bytecode) |
|
696 |
for (int i = 0; i < number_of_codes; i++) {
|
|
697 |
if (isDefined(i)) {
|
|
698 |
int j = javaCode(i); |
|
699 |
if (canTrap(i) && !canTrap(j)) {
|
|
700 |
Assert.that(false, name(i) + " can trap => " + name(j) + " can trap, too"); |
|
701 |
} |
|
702 |
} |
|
703 |
} |
|
704 |
} |
|
705 |
} |
|
706 |
||
707 |
private static void def(int code, String name, String format, String wide_format, int result_type, int depth, boolean can_trap) {
|
|
708 |
def(code, name, format, wide_format, result_type, depth, can_trap, code); |
|
709 |
} |
|
710 |
||
711 |
private static void def(int code, String name, String format, String wide_format, int result_type, int depth, boolean can_trap, int java_code) {
|
|
712 |
if (Assert.ASSERTS_ENABLED) {
|
|
713 |
Assert.that(wide_format == null || format != null, "short form must exist if there's a wide form"); |
|
714 |
} |
|
715 |
_name [code] = name; |
|
716 |
_format [code] = format; |
|
717 |
_wide_format [code] = wide_format; |
|
718 |
_result_type [code] = result_type; |
|
719 |
_depth [code] = (byte) depth; |
|
720 |
_can_trap [code] = can_trap; |
|
721 |
_length [code] = (byte) (format != null ? format.length() : 0); |
|
722 |
_java_code [code] = java_code; |
|
723 |
if (java_code != code) {
|
|
724 |
_can_rewrite[java_code] = true; |
|
725 |
} else {
|
|
726 |
_can_rewrite[java_code] = false; |
|
727 |
} |
|
728 |
} |
|
729 |
} |