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rev 1024 : imported patch indy-cleanup-6893081.patch
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--- old/src/share/vm/interpreter/bytecodes.cpp
+++ new/src/share/vm/interpreter/bytecodes.cpp
1 1 /*
2 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 21 * have any questions.
22 22 *
23 23 */
24 24
25 25 #include "incls/_precompiled.incl"
26 26 #include "incls/_bytecodes.cpp.incl"
27 27
28 28
29 29 // Windows AMD64 Compiler Hangs compiling this file
30 30 // unless optimization is off
31 31 #ifdef _M_AMD64
32 32 #pragma optimize ("", off)
33 33 #endif
34 34
35 35
36 36 bool Bytecodes::_is_initialized = false;
37 37 const char* Bytecodes::_name [Bytecodes::number_of_codes];
38 38 const char* Bytecodes::_format [Bytecodes::number_of_codes];
39 39 const char* Bytecodes::_wide_format [Bytecodes::number_of_codes];
40 40 BasicType Bytecodes::_result_type [Bytecodes::number_of_codes];
41 41 s_char Bytecodes::_depth [Bytecodes::number_of_codes];
42 42 u_char Bytecodes::_length [Bytecodes::number_of_codes];
43 43 bool Bytecodes::_can_trap [Bytecodes::number_of_codes];
44 44 Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes];
45 45 bool Bytecodes::_can_rewrite [Bytecodes::number_of_codes];
46 46
47 47
48 48 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
49 49 return code_at(method->bcp_from(bci), method);
50 50 }
51 51
52 52 Bytecodes::Code Bytecodes::non_breakpoint_code_at(address bcp, methodOop method) {
53 53 if (method == NULL) method = methodOopDesc::method_from_bcp(bcp);
54 54 return method->orig_bytecode_at(method->bci_from(bcp));
55 55 }
56 56
57 57 int Bytecodes::special_length_at(address bcp, address end) {
58 58 Code code = code_at(bcp);
59 59 switch (code) {
60 60 case _wide:
61 61 if (end != NULL && bcp + 1 >= end) {
62 62 return -1; // don't read past end of code buffer
63 63 }
64 64 return wide_length_for(cast(*(bcp + 1)));
65 65 case _tableswitch:
66 66 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
67 67 if (end != NULL && aligned_bcp + 3*jintSize >= end) {
68 68 return -1; // don't read past end of code buffer
69 69 }
70 70 jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize);
71 71 jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize);
72 72 jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize;
73 73 // only return len if it can be represented as a positive int;
74 74 // return -1 otherwise
75 75 return (len > 0 && len == (int)len) ? len : -1;
76 76 }
77 77
78 78 case _lookupswitch: // fall through
79 79 case _fast_binaryswitch: // fall through
80 80 case _fast_linearswitch:
81 81 { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize);
82 82 if (end != NULL && aligned_bcp + 2*jintSize >= end) {
83 83 return -1; // don't read past end of code buffer
84 84 }
85 85 jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize);
86 86 jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize;
87 87 // only return len if it can be represented as a positive int;
88 88 // return -1 otherwise
89 89 return (len > 0 && len == (int)len) ? len : -1;
90 90 }
91 91 }
92 92 return 0;
93 93 }
94 94
95 95 // At a breakpoint instruction, this returns the breakpoint's length,
96 96 // otherwise, it's the same as special_length_at(). This is used by
97 97 // the RawByteCodeStream, which wants to see the actual bytecode
98 98 // values (including breakpoint). RawByteCodeStream is used by the
99 99 // verifier when reading in bytecode to verify. Other mechanisms that
100 100 // run at runtime (such as generateOopMaps) need to iterate over the code
101 101 // and don't expect to see breakpoints: they want to see the instruction
102 102 // which was replaced so that they can get the correct length and find
103 103 // the next bytecode.
104 104 //
105 105 // 'end' indicates the end of the code buffer, which we should not try to read
106 106 // past.
107 107 int Bytecodes::raw_special_length_at(address bcp, address end) {
108 108 Code code = code_or_bp_at(bcp);
109 109 if (code == _breakpoint) {
110 110 return 1;
111 111 } else {
112 112 return special_length_at(bcp, end);
113 113 }
114 114 }
115 115
116 116
117 117
118 118 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) {
119 119 def(code, name, format, wide_format, result_type, depth, can_trap, code);
120 120 }
121 121
122 122
123 123 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) {
124 124 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
125 125 _name [code] = name;
126 126 _format [code] = format;
127 127 _wide_format [code] = wide_format;
128 128 _result_type [code] = result_type;
129 129 _depth [code] = depth;
130 130 _can_trap [code] = can_trap;
131 131 _length [code] = format != NULL ? (u_char)strlen(format) : 0;
132 132 _java_code [code] = java_code;
133 133 if (java_code != code) _can_rewrite[java_code] = true;
134 134 }
135 135
136 136
137 137 // Format strings interpretation:
138 138 //
139 139 // b: bytecode
140 140 // c: signed constant, Java byte-ordering
141 141 // i: unsigned index , Java byte-ordering
142 142 // j: unsigned index , native byte-ordering
143 143 // o: branch offset , Java byte-ordering
144 144 // _: unused/ignored
145 145 // w: wide bytecode
146 146 //
147 147 // Note: Right now the format strings are used for 2 purposes:
148 148 // 1. to specify the length of the bytecode
149 149 // (= number of characters in format string)
150 150 // 2. to specify the bytecode attributes
151 151 //
152 152 // The bytecode attributes are currently used only for bytecode tracing
153 153 // (see BytecodeTracer); thus if more specific format information is
154 154 // used, one would also have to adjust the bytecode tracer.
155 155 //
156 156 // Note: For bytecodes with variable length, the format string is the empty string.
157 157
158 158 void Bytecodes::initialize() {
159 159 if (_is_initialized) return;
160 160 assert(number_of_codes <= 256, "too many bytecodes");
161 161
162 162 // initialize bytecode tables - didn't use static array initializers
163 163 // (such as {}) so we can do additional consistency checks and init-
164 164 // code is independent of actual bytecode numbering.
165 165 //
166 166 // Note 1: NULL for the format string means the bytecode doesn't exist
167 167 // in that form.
168 168 //
169 169 // Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack
170 170 // type after execution is not only determined by the bytecode itself.
171 171
172 172 // Java bytecodes
173 173 // bytecode bytecode name format wide f. result tp stk traps
174 174 def(_nop , "nop" , "b" , NULL , T_VOID , 0, false);
175 175 def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false);
176 176 def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false);
177 177 def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false);
178 178 def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false);
179 179 def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false);
180 180 def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false);
181 181 def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false);
182 182 def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false);
183 183 def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false);
184 184 def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false);
185 185 def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false);
186 186 def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false);
187 187 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false);
188 188 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false);
189 189 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false);
190 190 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false);
191 191 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false);
192 192 def(_ldc , "ldc" , "bi" , NULL , T_ILLEGAL, 1, true );
193 193 def(_ldc_w , "ldc_w" , "bii" , NULL , T_ILLEGAL, 1, true );
194 194 def(_ldc2_w , "ldc2_w" , "bii" , NULL , T_ILLEGAL, 2, true );
195 195 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false);
196 196 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false);
197 197 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false);
198 198 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false);
199 199 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false);
200 200 def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false);
201 201 def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false);
202 202 def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false);
203 203 def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false);
204 204 def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false);
205 205 def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false);
206 206 def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false);
207 207 def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false);
208 208 def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false);
209 209 def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false);
210 210 def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false);
211 211 def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false);
212 212 def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false);
213 213 def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false);
214 214 def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false);
215 215 def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false);
216 216 def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter
217 217 def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false);
218 218 def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false);
219 219 def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false);
220 220 def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true );
221 221 def(_laload , "laload" , "b" , NULL , T_LONG , 0, true );
222 222 def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true );
223 223 def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true );
224 224 def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true );
225 225 def(_baload , "baload" , "b" , NULL , T_INT , -1, true );
226 226 def(_caload , "caload" , "b" , NULL , T_INT , -1, true );
227 227 def(_saload , "saload" , "b" , NULL , T_INT , -1, true );
228 228 def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false);
229 229 def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false);
230 230 def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false);
231 231 def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false);
232 232 def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false);
233 233 def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false);
234 234 def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false);
235 235 def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false);
236 236 def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false);
237 237 def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false);
238 238 def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false);
239 239 def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false);
240 240 def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false);
241 241 def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false);
242 242 def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false);
243 243 def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false);
244 244 def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false);
245 245 def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false);
246 246 def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false);
247 247 def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false);
248 248 def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false);
249 249 def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false);
250 250 def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false);
251 251 def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false);
252 252 def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false);
253 253 def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true );
254 254 def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true );
255 255 def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true );
256 256 def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true );
257 257 def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true );
258 258 def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true );
259 259 def(_castore , "castore" , "b" , NULL , T_VOID , -3, true );
260 260 def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true );
261 261 def(_pop , "pop" , "b" , NULL , T_VOID , -1, false);
262 262 def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false);
263 263 def(_dup , "dup" , "b" , NULL , T_VOID , 1, false);
264 264 def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false);
265 265 def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false);
266 266 def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false);
267 267 def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false);
268 268 def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false);
269 269 def(_swap , "swap" , "b" , NULL , T_VOID , 0, false);
270 270 def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false);
271 271 def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false);
272 272 def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false);
273 273 def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false);
274 274 def(_isub , "isub" , "b" , NULL , T_INT , -1, false);
275 275 def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false);
276 276 def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false);
277 277 def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false);
278 278 def(_imul , "imul" , "b" , NULL , T_INT , -1, false);
279 279 def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false);
280 280 def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false);
281 281 def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false);
282 282 def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true );
283 283 def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true );
284 284 def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false);
285 285 def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false);
286 286 def(_irem , "irem" , "b" , NULL , T_INT , -1, true );
287 287 def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true );
288 288 def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false);
289 289 def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false);
290 290 def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false);
291 291 def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false);
292 292 def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false);
293 293 def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false);
294 294 def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false);
295 295 def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false);
296 296 def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false);
297 297 def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false);
298 298 def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false);
299 299 def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false);
300 300 def(_iand , "iand" , "b" , NULL , T_INT , -1, false);
301 301 def(_land , "land" , "b" , NULL , T_LONG , -2, false);
302 302 def(_ior , "ior" , "b" , NULL , T_INT , -1, false);
303 303 def(_lor , "lor" , "b" , NULL , T_LONG , -2, false);
304 304 def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false);
305 305 def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false);
306 306 def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false);
307 307 def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false);
308 308 def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false);
309 309 def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false);
310 310 def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false);
311 311 def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false);
312 312 def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false);
313 313 def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false);
314 314 def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false);
315 315 def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false);
316 316 def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false);
317 317 def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false);
318 318 def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false);
319 319 def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false);
320 320 def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false);
321 321 def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false);
322 322 def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false);
323 323 def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false);
324 324 def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false);
325 325 def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false);
326 326 def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false);
327 327 def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false);
328 328 def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false);
329 329 def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false);
330 330 def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false);
331 331 def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false);
332 332 def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false);
333 333 def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false);
334 334 def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false);
335 335 def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false);
336 336 def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false);
337 337 def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false);
338 338 def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false);
339 339 def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false);
340 340 def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false);
341 341 def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false);
342 342 def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false);
343 343 def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false);
344 344 def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches
345 345 def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter
346 346 def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true);
347 347 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true);
348 348 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true);
349 349 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true);
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350 350 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true);
351 351 def(_return , "return" , "b" , NULL , T_VOID , 0, true);
352 352 def(_getstatic , "getstatic" , "bjj" , NULL , T_ILLEGAL, 1, true );
353 353 def(_putstatic , "putstatic" , "bjj" , NULL , T_ILLEGAL, -1, true );
354 354 def(_getfield , "getfield" , "bjj" , NULL , T_ILLEGAL, 0, true );
355 355 def(_putfield , "putfield" , "bjj" , NULL , T_ILLEGAL, -2, true );
356 356 def(_invokevirtual , "invokevirtual" , "bjj" , NULL , T_ILLEGAL, -1, true);
357 357 def(_invokespecial , "invokespecial" , "bjj" , NULL , T_ILLEGAL, -1, true);
358 358 def(_invokestatic , "invokestatic" , "bjj" , NULL , T_ILLEGAL, 0, true);
359 359 def(_invokeinterface , "invokeinterface" , "bjj__", NULL , T_ILLEGAL, -1, true);
360 - def(_invokedynamic , "invokedynamic" , "bjjjj", NULL , T_ILLEGAL, -1, true );
360 + def(_invokedynamic , "invokedynamic" , "bjjjj", NULL , T_ILLEGAL, 0, true );
361 361 def(_new , "new" , "bii" , NULL , T_OBJECT , 1, true );
362 362 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true );
363 363 def(_anewarray , "anewarray" , "bii" , NULL , T_OBJECT , 0, true );
364 364 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true );
365 365 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true );
366 366 def(_checkcast , "checkcast" , "bii" , NULL , T_OBJECT , 0, true );
367 367 def(_instanceof , "instanceof" , "bii" , NULL , T_INT , 0, true );
368 368 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true );
369 369 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true );
370 370 def(_wide , "wide" , "" , NULL , T_VOID , 0, false);
371 371 def(_multianewarray , "multianewarray" , "biic" , NULL , T_OBJECT , 1, true );
372 372 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false);
373 373 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false);
374 374 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false);
375 375 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false);
376 376 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true);
377 377
378 378 // JVM bytecodes
379 379 // bytecode bytecode name format wide f. result tp stk traps std code
380 380
381 381 def(_fast_agetfield , "fast_agetfield" , "bjj" , NULL , T_OBJECT , 0, true , _getfield );
382 382 def(_fast_bgetfield , "fast_bgetfield" , "bjj" , NULL , T_INT , 0, true , _getfield );
383 383 def(_fast_cgetfield , "fast_cgetfield" , "bjj" , NULL , T_CHAR , 0, true , _getfield );
384 384 def(_fast_dgetfield , "fast_dgetfield" , "bjj" , NULL , T_DOUBLE , 0, true , _getfield );
385 385 def(_fast_fgetfield , "fast_fgetfield" , "bjj" , NULL , T_FLOAT , 0, true , _getfield );
386 386 def(_fast_igetfield , "fast_igetfield" , "bjj" , NULL , T_INT , 0, true , _getfield );
387 387 def(_fast_lgetfield , "fast_lgetfield" , "bjj" , NULL , T_LONG , 0, true , _getfield );
388 388 def(_fast_sgetfield , "fast_sgetfield" , "bjj" , NULL , T_SHORT , 0, true , _getfield );
389 389
390 390 def(_fast_aputfield , "fast_aputfield" , "bjj" , NULL , T_OBJECT , 0, true , _putfield );
391 391 def(_fast_bputfield , "fast_bputfield" , "bjj" , NULL , T_INT , 0, true , _putfield );
392 392 def(_fast_cputfield , "fast_cputfield" , "bjj" , NULL , T_CHAR , 0, true , _putfield );
393 393 def(_fast_dputfield , "fast_dputfield" , "bjj" , NULL , T_DOUBLE , 0, true , _putfield );
394 394 def(_fast_fputfield , "fast_fputfield" , "bjj" , NULL , T_FLOAT , 0, true , _putfield );
395 395 def(_fast_iputfield , "fast_iputfield" , "bjj" , NULL , T_INT , 0, true , _putfield );
396 396 def(_fast_lputfield , "fast_lputfield" , "bjj" , NULL , T_LONG , 0, true , _putfield );
397 397 def(_fast_sputfield , "fast_sputfield" , "bjj" , NULL , T_SHORT , 0, true , _putfield );
398 398
399 399 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 );
400 400 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_jj" , NULL , T_INT , 1, true , _aload_0 );
401 401 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 );
402 402 def(_fast_faccess_0 , "fast_faccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 );
403 403
404 404 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload);
405 405 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload);
406 406 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload);
407 407
408 408 // Faster method invocation.
409 409 def(_fast_invokevfinal , "fast_invokevfinal" , "bjj" , NULL , T_ILLEGAL, -1, true, _invokevirtual );
410 410
411 411 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
412 412 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
413 413
414 414 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return);
415 415
416 416 def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false);
417 417
418 418 // platform specific JVM bytecodes
419 419 pd_initialize();
420 420
421 421 // compare can_trap information for each bytecode with the
422 422 // can_trap information for the corresponding base bytecode
423 423 // (if a rewritten bytecode can trap, so must the base bytecode)
424 424 #ifdef ASSERT
425 425 { for (int i = 0; i < number_of_codes; i++) {
426 426 if (is_defined(i)) {
427 427 Code code = cast(i);
428 428 Code java = java_code(code);
429 429 if (can_trap(code) && !can_trap(java)) fatal2("%s can trap => %s can trap, too", name(code), name(java));
430 430 }
431 431 }
432 432 }
433 433 #endif
434 434
435 435 // initialization successful
436 436 _is_initialized = true;
437 437 }
438 438
439 439
440 440 void bytecodes_init() {
441 441 Bytecodes::initialize();
442 442 }
443 443
444 444 // Restore optimization
445 445 #ifdef _M_AMD64
446 446 #pragma optimize ("", on)
447 447 #endif
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