Mercurial > hg > graal-jvmci-8
annotate src/share/vm/interpreter/bytecodeInterpreter.hpp @ 2011:dad31fc330cd
7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
Reviewed-by: twisti
author | jrose |
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date | Fri, 03 Dec 2010 15:53:57 -0800 |
parents | f95d63e2154a |
children | b92c45f2bc75 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP |
26 #define SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "oops/methodDataOop.hpp" | |
30 #include "oops/methodOop.hpp" | |
31 #include "runtime/basicLock.hpp" | |
32 #include "runtime/frame.hpp" | |
33 #include "runtime/globals.hpp" | |
34 #include "utilities/globalDefinitions.hpp" | |
35 #ifdef TARGET_ARCH_x86 | |
36 # include "bytes_x86.hpp" | |
37 #endif | |
38 #ifdef TARGET_ARCH_sparc | |
39 # include "bytes_sparc.hpp" | |
40 #endif | |
41 #ifdef TARGET_ARCH_zero | |
42 # include "bytes_zero.hpp" | |
43 #endif | |
44 | |
0 | 45 #ifdef CC_INTERP |
46 | |
47 // CVM definitions find hotspot equivalents... | |
48 | |
49 union VMJavaVal64 { | |
50 jlong l; | |
51 jdouble d; | |
52 uint32_t v[2]; | |
53 }; | |
54 | |
55 | |
56 typedef class BytecodeInterpreter* interpreterState; | |
57 | |
58 struct call_message { | |
59 class methodOopDesc* _callee; /* method to call during call_method request */ | |
60 address _callee_entry_point; /* address to jump to for call_method request */ | |
61 int _bcp_advance; /* size of the invoke bytecode operation */ | |
62 }; | |
63 | |
64 struct osr_message { | |
65 address _osr_buf; /* the osr buffer */ | |
66 address _osr_entry; /* the entry to the osr method */ | |
67 }; | |
68 | |
69 struct osr_result { | |
70 nmethod* nm; /* osr nmethod */ | |
71 address return_addr; /* osr blob return address */ | |
72 }; | |
73 | |
74 // Result returned to frame manager | |
75 union frame_manager_message { | |
76 call_message _to_call; /* describes callee */ | |
77 Bytecodes::Code _return_kind; /* i_return, a_return, ... */ | |
78 osr_message _osr; /* describes the osr */ | |
79 osr_result _osr_result; /* result of OSR request */ | |
80 }; | |
81 | |
82 class BytecodeInterpreter : StackObj { | |
83 friend class SharedRuntime; | |
84 friend class AbstractInterpreterGenerator; | |
85 friend class CppInterpreterGenerator; | |
86 friend class InterpreterGenerator; | |
87 friend class InterpreterMacroAssembler; | |
88 friend class frame; | |
89 friend class VMStructs; | |
90 | |
91 public: | |
92 enum messages { | |
93 no_request = 0, // unused | |
94 initialize, // Perform one time interpreter initializations (assumes all switches set) | |
95 // status message to C++ interpreter | |
96 method_entry, // initial method entry to interpreter | |
97 method_resume, // frame manager response to return_from_method request (assuming a frame to resume) | |
98 deopt_resume, // returning from a native call into a deopted frame | |
99 deopt_resume2, // deopt resume as a result of a PopFrame | |
100 got_monitors, // frame manager response to more_monitors request | |
101 rethrow_exception, // unwinding and throwing exception | |
102 // requests to frame manager from C++ interpreter | |
103 call_method, // request for new frame from interpreter, manager responds with method_entry | |
104 return_from_method, // request from interpreter to unwind, manager responds with method_continue | |
105 more_monitors, // need a new monitor | |
106 throwing_exception, // unwind stack and rethrow | |
107 popping_frame, // unwind call and retry call | |
108 do_osr // request this invocation be OSR's | |
109 }; | |
110 | |
111 private: | |
112 JavaThread* _thread; // the vm's java thread pointer | |
113 address _bcp; // instruction pointer | |
114 intptr_t* _locals; // local variable pointer | |
115 constantPoolCacheOop _constants; // constant pool cache | |
116 methodOop _method; // method being executed | |
117 DataLayout* _mdx; // compiler profiling data for current bytecode | |
118 intptr_t* _stack; // expression stack | |
119 messages _msg; // frame manager <-> interpreter message | |
120 frame_manager_message _result; // result to frame manager | |
121 interpreterState _prev_link; // previous interpreter state | |
122 oop _oop_temp; // mirror for interpreted native, null otherwise | |
123 intptr_t* _stack_base; // base of expression stack | |
124 intptr_t* _stack_limit; // limit of expression stack | |
125 BasicObjectLock* _monitor_base; // base of monitors on the native stack | |
126 | |
127 | |
128 public: | |
129 // Constructor is only used by the initialization step. All other instances are created | |
130 // by the frame manager. | |
131 BytecodeInterpreter(messages msg); | |
132 | |
133 // | |
134 // Deoptimization support | |
135 // | |
136 static void layout_interpreterState(interpreterState to_fill, | |
137 frame* caller, | |
138 frame* interpreter_frame, | |
139 methodOop method, | |
140 intptr_t* locals, | |
141 intptr_t* stack, | |
142 intptr_t* stack_base, | |
143 intptr_t* monitor_base, | |
144 intptr_t* frame_bottom, | |
145 bool top_frame); | |
146 | |
147 /* | |
148 * Generic 32-bit wide "Java slot" definition. This type occurs | |
149 * in operand stacks, Java locals, object fields, constant pools. | |
150 */ | |
151 union VMJavaVal32 { | |
152 jint i; | |
153 jfloat f; | |
154 class oopDesc* r; | |
155 uint32_t raw; | |
156 }; | |
157 | |
158 /* | |
159 * Generic 64-bit Java value definition | |
160 */ | |
161 union VMJavaVal64 { | |
162 jlong l; | |
163 jdouble d; | |
164 uint32_t v[2]; | |
165 }; | |
166 | |
167 /* | |
168 * Generic 32-bit wide "Java slot" definition. This type occurs | |
169 * in Java locals, object fields, constant pools, and | |
170 * operand stacks (as a CVMStackVal32). | |
171 */ | |
172 typedef union VMSlotVal32 { | |
173 VMJavaVal32 j; /* For "Java" values */ | |
174 address a; /* a return created by jsr or jsr_w */ | |
175 } VMSlotVal32; | |
176 | |
177 | |
178 /* | |
179 * Generic 32-bit wide stack slot definition. | |
180 */ | |
181 union VMStackVal32 { | |
182 VMJavaVal32 j; /* For "Java" values */ | |
183 VMSlotVal32 s; /* any value from a "slot" or locals[] */ | |
184 }; | |
185 | |
186 inline JavaThread* thread() { return _thread; } | |
187 | |
188 inline address bcp() { return _bcp; } | |
189 inline void set_bcp(address new_bcp) { _bcp = new_bcp; } | |
190 | |
191 inline intptr_t* locals() { return _locals; } | |
192 | |
193 inline constantPoolCacheOop constants() { return _constants; } | |
194 inline methodOop method() { return _method; } | |
195 inline DataLayout* mdx() { return _mdx; } | |
196 inline void set_mdx(DataLayout *new_mdx) { _mdx = new_mdx; } | |
197 | |
198 inline messages msg() { return _msg; } | |
199 inline void set_msg(messages new_msg) { _msg = new_msg; } | |
200 | |
201 inline methodOop callee() { return _result._to_call._callee; } | |
202 inline void set_callee(methodOop new_callee) { _result._to_call._callee = new_callee; } | |
203 inline void set_callee_entry_point(address entry) { _result._to_call._callee_entry_point = entry; } | |
204 inline void set_osr_buf(address buf) { _result._osr._osr_buf = buf; } | |
205 inline void set_osr_entry(address entry) { _result._osr._osr_entry = entry; } | |
206 inline int bcp_advance() { return _result._to_call._bcp_advance; } | |
207 inline void set_bcp_advance(int count) { _result._to_call._bcp_advance = count; } | |
208 | |
209 inline void set_return_kind(Bytecodes::Code kind) { _result._return_kind = kind; } | |
210 | |
211 inline interpreterState prev() { return _prev_link; } | |
212 | |
213 inline intptr_t* stack() { return _stack; } | |
214 inline void set_stack(intptr_t* new_stack) { _stack = new_stack; } | |
215 | |
216 | |
217 inline intptr_t* stack_base() { return _stack_base; } | |
218 inline intptr_t* stack_limit() { return _stack_limit; } | |
219 | |
220 inline BasicObjectLock* monitor_base() { return _monitor_base; } | |
221 | |
222 /* | |
223 * 64-bit Arithmetic: | |
224 * | |
225 * The functions below follow the semantics of the | |
226 * ladd, land, ldiv, lmul, lor, lxor, and lrem bytecodes, | |
227 * respectively. | |
228 */ | |
229 | |
230 static jlong VMlongAdd(jlong op1, jlong op2); | |
231 static jlong VMlongAnd(jlong op1, jlong op2); | |
232 static jlong VMlongDiv(jlong op1, jlong op2); | |
233 static jlong VMlongMul(jlong op1, jlong op2); | |
234 static jlong VMlongOr (jlong op1, jlong op2); | |
235 static jlong VMlongSub(jlong op1, jlong op2); | |
236 static jlong VMlongXor(jlong op1, jlong op2); | |
237 static jlong VMlongRem(jlong op1, jlong op2); | |
238 | |
239 /* | |
240 * Shift: | |
241 * | |
242 * The functions below follow the semantics of the | |
243 * lushr, lshl, and lshr bytecodes, respectively. | |
244 */ | |
245 | |
246 static jlong VMlongUshr(jlong op1, jint op2); | |
247 static jlong VMlongShl (jlong op1, jint op2); | |
248 static jlong VMlongShr (jlong op1, jint op2); | |
249 | |
250 /* | |
251 * Unary: | |
252 * | |
253 * Return the negation of "op" (-op), according to | |
254 * the semantics of the lneg bytecode. | |
255 */ | |
256 | |
257 static jlong VMlongNeg(jlong op); | |
258 | |
259 /* | |
260 * Return the complement of "op" (~op) | |
261 */ | |
262 | |
263 static jlong VMlongNot(jlong op); | |
264 | |
265 | |
266 /* | |
267 * Comparisons to 0: | |
268 */ | |
269 | |
270 static int32_t VMlongLtz(jlong op); /* op <= 0 */ | |
271 static int32_t VMlongGez(jlong op); /* op >= 0 */ | |
272 static int32_t VMlongEqz(jlong op); /* op == 0 */ | |
273 | |
274 /* | |
275 * Between operands: | |
276 */ | |
277 | |
278 static int32_t VMlongEq(jlong op1, jlong op2); /* op1 == op2 */ | |
279 static int32_t VMlongNe(jlong op1, jlong op2); /* op1 != op2 */ | |
280 static int32_t VMlongGe(jlong op1, jlong op2); /* op1 >= op2 */ | |
281 static int32_t VMlongLe(jlong op1, jlong op2); /* op1 <= op2 */ | |
282 static int32_t VMlongLt(jlong op1, jlong op2); /* op1 < op2 */ | |
283 static int32_t VMlongGt(jlong op1, jlong op2); /* op1 > op2 */ | |
284 | |
285 /* | |
286 * Comparisons (returning an jint value: 0, 1, or -1) | |
287 * | |
288 * Between operands: | |
289 * | |
290 * Compare "op1" and "op2" according to the semantics of the | |
291 * "lcmp" bytecode. | |
292 */ | |
293 | |
294 static int32_t VMlongCompare(jlong op1, jlong op2); | |
295 | |
296 /* | |
297 * Convert int to long, according to "i2l" bytecode semantics | |
298 */ | |
299 static jlong VMint2Long(jint val); | |
300 | |
301 /* | |
302 * Convert long to int, according to "l2i" bytecode semantics | |
303 */ | |
304 static jint VMlong2Int(jlong val); | |
305 | |
306 /* | |
307 * Convert long to float, according to "l2f" bytecode semantics | |
308 */ | |
309 static jfloat VMlong2Float(jlong val); | |
310 | |
311 /* | |
312 * Convert long to double, according to "l2d" bytecode semantics | |
313 */ | |
314 static jdouble VMlong2Double(jlong val); | |
315 | |
316 /* | |
317 * Java floating-point float value manipulation. | |
318 * | |
319 * The result argument is, once again, an lvalue. | |
320 * | |
321 * Arithmetic: | |
322 * | |
323 * The functions below follow the semantics of the | |
324 * fadd, fsub, fmul, fdiv, and frem bytecodes, | |
325 * respectively. | |
326 */ | |
327 | |
328 static jfloat VMfloatAdd(jfloat op1, jfloat op2); | |
329 static jfloat VMfloatSub(jfloat op1, jfloat op2); | |
330 static jfloat VMfloatMul(jfloat op1, jfloat op2); | |
331 static jfloat VMfloatDiv(jfloat op1, jfloat op2); | |
332 static jfloat VMfloatRem(jfloat op1, jfloat op2); | |
333 | |
334 /* | |
335 * Unary: | |
336 * | |
337 * Return the negation of "op" (-op), according to | |
338 * the semantics of the fneg bytecode. | |
339 */ | |
340 | |
341 static jfloat VMfloatNeg(jfloat op); | |
342 | |
343 /* | |
344 * Comparisons (returning an int value: 0, 1, or -1) | |
345 * | |
346 * Between operands: | |
347 * | |
348 * Compare "op1" and "op2" according to the semantics of the | |
349 * "fcmpl" (direction is -1) or "fcmpg" (direction is 1) bytecodes. | |
350 */ | |
351 | |
352 static int32_t VMfloatCompare(jfloat op1, jfloat op2, | |
353 int32_t direction); | |
354 /* | |
355 * Conversion: | |
356 */ | |
357 | |
358 /* | |
359 * Convert float to double, according to "f2d" bytecode semantics | |
360 */ | |
361 | |
362 static jdouble VMfloat2Double(jfloat op); | |
363 | |
364 /* | |
365 ****************************************** | |
366 * Java double floating-point manipulation. | |
367 ****************************************** | |
368 * | |
369 * The result argument is, once again, an lvalue. | |
370 * | |
371 * Conversions: | |
372 */ | |
373 | |
374 /* | |
375 * Convert double to int, according to "d2i" bytecode semantics | |
376 */ | |
377 | |
378 static jint VMdouble2Int(jdouble val); | |
379 | |
380 /* | |
381 * Convert double to float, according to "d2f" bytecode semantics | |
382 */ | |
383 | |
384 static jfloat VMdouble2Float(jdouble val); | |
385 | |
386 /* | |
387 * Convert int to double, according to "i2d" bytecode semantics | |
388 */ | |
389 | |
390 static jdouble VMint2Double(jint val); | |
391 | |
392 /* | |
393 * Arithmetic: | |
394 * | |
395 * The functions below follow the semantics of the | |
396 * dadd, dsub, ddiv, dmul, and drem bytecodes, respectively. | |
397 */ | |
398 | |
399 static jdouble VMdoubleAdd(jdouble op1, jdouble op2); | |
400 static jdouble VMdoubleSub(jdouble op1, jdouble op2); | |
401 static jdouble VMdoubleDiv(jdouble op1, jdouble op2); | |
402 static jdouble VMdoubleMul(jdouble op1, jdouble op2); | |
403 static jdouble VMdoubleRem(jdouble op1, jdouble op2); | |
404 | |
405 /* | |
406 * Unary: | |
407 * | |
408 * Return the negation of "op" (-op), according to | |
409 * the semantics of the dneg bytecode. | |
410 */ | |
411 | |
412 static jdouble VMdoubleNeg(jdouble op); | |
413 | |
414 /* | |
415 * Comparisons (returning an int32_t value: 0, 1, or -1) | |
416 * | |
417 * Between operands: | |
418 * | |
419 * Compare "op1" and "op2" according to the semantics of the | |
420 * "dcmpl" (direction is -1) or "dcmpg" (direction is 1) bytecodes. | |
421 */ | |
422 | |
423 static int32_t VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction); | |
424 | |
425 /* | |
426 * Copy two typeless 32-bit words from one location to another. | |
427 * This is semantically equivalent to: | |
428 * | |
429 * to[0] = from[0]; | |
430 * to[1] = from[1]; | |
431 * | |
432 * but this interface is provided for those platforms that could | |
433 * optimize this into a single 64-bit transfer. | |
434 */ | |
435 | |
436 static void VMmemCopy64(uint32_t to[2], const uint32_t from[2]); | |
437 | |
438 | |
439 // Arithmetic operations | |
440 | |
441 /* | |
442 * Java arithmetic methods. | |
443 * The functions below follow the semantics of the | |
444 * iadd, isub, imul, idiv, irem, iand, ior, ixor, | |
445 * and ineg bytecodes, respectively. | |
446 */ | |
447 | |
448 static jint VMintAdd(jint op1, jint op2); | |
449 static jint VMintSub(jint op1, jint op2); | |
450 static jint VMintMul(jint op1, jint op2); | |
451 static jint VMintDiv(jint op1, jint op2); | |
452 static jint VMintRem(jint op1, jint op2); | |
453 static jint VMintAnd(jint op1, jint op2); | |
454 static jint VMintOr (jint op1, jint op2); | |
455 static jint VMintXor(jint op1, jint op2); | |
456 | |
457 /* | |
458 * Shift Operation: | |
459 * The functions below follow the semantics of the | |
460 * iushr, ishl, and ishr bytecodes, respectively. | |
461 */ | |
462 | |
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463 static juint VMintUshr(jint op, jint num); |
0 | 464 static jint VMintShl (jint op, jint num); |
465 static jint VMintShr (jint op, jint num); | |
466 | |
467 /* | |
468 * Unary Operation: | |
469 * | |
470 * Return the negation of "op" (-op), according to | |
471 * the semantics of the ineg bytecode. | |
472 */ | |
473 | |
474 static jint VMintNeg(jint op); | |
475 | |
476 /* | |
477 * Int Conversions: | |
478 */ | |
479 | |
480 /* | |
481 * Convert int to float, according to "i2f" bytecode semantics | |
482 */ | |
483 | |
484 static jfloat VMint2Float(jint val); | |
485 | |
486 /* | |
487 * Convert int to byte, according to "i2b" bytecode semantics | |
488 */ | |
489 | |
490 static jbyte VMint2Byte(jint val); | |
491 | |
492 /* | |
493 * Convert int to char, according to "i2c" bytecode semantics | |
494 */ | |
495 | |
496 static jchar VMint2Char(jint val); | |
497 | |
498 /* | |
499 * Convert int to short, according to "i2s" bytecode semantics | |
500 */ | |
501 | |
502 static jshort VMint2Short(jint val); | |
503 | |
504 /*========================================================================= | |
505 * Bytecode interpreter operations | |
506 *=======================================================================*/ | |
507 | |
508 static void dup(intptr_t *tos); | |
509 static void dup2(intptr_t *tos); | |
510 static void dup_x1(intptr_t *tos); /* insert top word two down */ | |
511 static void dup_x2(intptr_t *tos); /* insert top word three down */ | |
512 static void dup2_x1(intptr_t *tos); /* insert top 2 slots three down */ | |
513 static void dup2_x2(intptr_t *tos); /* insert top 2 slots four down */ | |
514 static void swap(intptr_t *tos); /* swap top two elements */ | |
515 | |
516 // umm don't like this method modifies its object | |
517 | |
518 // The Interpreter used when | |
519 static void run(interpreterState istate); | |
520 // The interpreter used if JVMTI needs interpreter events | |
521 static void runWithChecks(interpreterState istate); | |
522 static void End_Of_Interpreter(void); | |
523 | |
524 // Inline static functions for Java Stack and Local manipulation | |
525 | |
526 static address stack_slot(intptr_t *tos, int offset); | |
527 static jint stack_int(intptr_t *tos, int offset); | |
528 static jfloat stack_float(intptr_t *tos, int offset); | |
529 static oop stack_object(intptr_t *tos, int offset); | |
530 static jdouble stack_double(intptr_t *tos, int offset); | |
531 static jlong stack_long(intptr_t *tos, int offset); | |
532 | |
533 // only used for value types | |
534 static void set_stack_slot(intptr_t *tos, address value, int offset); | |
535 static void set_stack_int(intptr_t *tos, int value, int offset); | |
536 static void set_stack_float(intptr_t *tos, jfloat value, int offset); | |
537 static void set_stack_object(intptr_t *tos, oop value, int offset); | |
538 | |
539 // needs to be platform dep for the 32 bit platforms. | |
540 static void set_stack_double(intptr_t *tos, jdouble value, int offset); | |
541 static void set_stack_long(intptr_t *tos, jlong value, int offset); | |
542 | |
543 static void set_stack_double_from_addr(intptr_t *tos, address addr, int offset); | |
544 static void set_stack_long_from_addr(intptr_t *tos, address addr, int offset); | |
545 | |
546 // Locals | |
547 | |
548 static address locals_slot(intptr_t* locals, int offset); | |
549 static jint locals_int(intptr_t* locals, int offset); | |
550 static jfloat locals_float(intptr_t* locals, int offset); | |
551 static oop locals_object(intptr_t* locals, int offset); | |
552 static jdouble locals_double(intptr_t* locals, int offset); | |
553 static jlong locals_long(intptr_t* locals, int offset); | |
554 | |
555 static address locals_long_at(intptr_t* locals, int offset); | |
556 static address locals_double_at(intptr_t* locals, int offset); | |
557 | |
558 static void set_locals_slot(intptr_t *locals, address value, int offset); | |
559 static void set_locals_int(intptr_t *locals, jint value, int offset); | |
560 static void set_locals_float(intptr_t *locals, jfloat value, int offset); | |
561 static void set_locals_object(intptr_t *locals, oop value, int offset); | |
562 static void set_locals_double(intptr_t *locals, jdouble value, int offset); | |
563 static void set_locals_long(intptr_t *locals, jlong value, int offset); | |
564 static void set_locals_double_from_addr(intptr_t *locals, | |
565 address addr, int offset); | |
566 static void set_locals_long_from_addr(intptr_t *locals, | |
567 address addr, int offset); | |
568 | |
569 static void astore(intptr_t* topOfStack, int stack_offset, | |
570 intptr_t* locals, int locals_offset); | |
571 | |
572 // Support for dup and swap | |
573 static void copy_stack_slot(intptr_t *tos, int from_offset, int to_offset); | |
574 | |
575 #ifndef PRODUCT | |
576 static const char* C_msg(BytecodeInterpreter::messages msg); | |
577 void print(); | |
578 #endif // PRODUCT | |
579 | |
580 // Platform fields/methods | |
1972 | 581 #ifdef TARGET_ARCH_x86 |
582 # include "bytecodeInterpreter_x86.hpp" | |
583 #endif | |
584 #ifdef TARGET_ARCH_sparc | |
585 # include "bytecodeInterpreter_sparc.hpp" | |
586 #endif | |
587 #ifdef TARGET_ARCH_zero | |
588 # include "bytecodeInterpreter_zero.hpp" | |
589 #endif | |
590 | |
0 | 591 |
592 }; // BytecodeInterpreter | |
593 | |
594 #endif // CC_INTERP | |
1972 | 595 |
596 #endif // SHARE_VM_INTERPRETER_BYTECODEINTERPRETER_HPP |