Mercurial > hg > truffle
annotate src/cpu/zero/vm/cppInterpreter_zero.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Tue, 07 Apr 2015 14:58:49 +0200 |
| parents | 52b4284cb496 ce8f6bb717c9 |
| children |
| rev | line source |
|---|---|
| 1010 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 2480 | 3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc. |
| 1010 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
| 27 #include "asm/assembler.hpp" | |
| 28 #include "interpreter/bytecodeHistogram.hpp" | |
| 29 #include "interpreter/cppInterpreter.hpp" | |
| 30 #include "interpreter/interpreter.hpp" | |
| 31 #include "interpreter/interpreterGenerator.hpp" | |
| 32 #include "interpreter/interpreterRuntime.hpp" | |
| 33 #include "oops/arrayOop.hpp" | |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
| 1972 | 36 #include "oops/oop.inline.hpp" |
| 37 #include "prims/jvmtiExport.hpp" | |
| 38 #include "prims/jvmtiThreadState.hpp" | |
| 39 #include "runtime/arguments.hpp" | |
| 40 #include "runtime/deoptimization.hpp" | |
| 41 #include "runtime/frame.inline.hpp" | |
| 42 #include "runtime/interfaceSupport.hpp" | |
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43 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 44 #include "runtime/sharedRuntime.hpp" |
| 45 #include "runtime/stubRoutines.hpp" | |
| 46 #include "runtime/synchronizer.hpp" | |
| 47 #include "runtime/timer.hpp" | |
| 48 #include "runtime/vframeArray.hpp" | |
| 49 #include "stack_zero.inline.hpp" | |
| 50 #include "utilities/debug.hpp" | |
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51 #include "utilities/macros.hpp" |
| 1972 | 52 #ifdef SHARK |
| 53 #include "shark/shark_globals.hpp" | |
| 54 #endif | |
| 1010 | 55 |
| 56 #ifdef CC_INTERP | |
| 57 | |
| 58 #define fixup_after_potential_safepoint() \ | |
| 59 method = istate->method() | |
| 60 | |
| 2480 | 61 #define CALL_VM_NOCHECK_NOFIX(func) \ |
| 1010 | 62 thread->set_last_Java_frame(); \ |
| 63 func; \ | |
| 2480 | 64 thread->reset_last_Java_frame(); |
| 65 | |
| 66 #define CALL_VM_NOCHECK(func) \ | |
| 67 CALL_VM_NOCHECK_NOFIX(func) \ | |
| 1010 | 68 fixup_after_potential_safepoint() |
| 69 | |
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70 int CppInterpreter::normal_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 71 JavaThread *thread = (JavaThread *) THREAD; |
| 72 | |
| 73 // Allocate and initialize our frame. | |
| 1514 | 74 InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0); |
| 1010 | 75 thread->push_zero_frame(frame); |
| 76 | |
| 77 // Execute those bytecodes! | |
| 78 main_loop(0, THREAD); | |
| 1514 | 79 |
| 80 // No deoptimized frames on the stack | |
| 81 return 0; | |
| 1010 | 82 } |
| 83 | |
| 84 void CppInterpreter::main_loop(int recurse, TRAPS) { | |
| 85 JavaThread *thread = (JavaThread *) THREAD; | |
| 86 ZeroStack *stack = thread->zero_stack(); | |
| 87 | |
| 88 // If we are entering from a deopt we may need to call | |
| 89 // ourself a few times in order to get to our frame. | |
| 90 if (recurse) | |
| 91 main_loop(recurse - 1, THREAD); | |
| 92 | |
| 93 InterpreterFrame *frame = thread->top_zero_frame()->as_interpreter_frame(); | |
| 94 interpreterState istate = frame->interpreter_state(); | |
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95 Method* method = istate->method(); |
| 1010 | 96 |
| 97 intptr_t *result = NULL; | |
| 98 int result_slots = 0; | |
| 99 | |
| 100 while (true) { | |
| 101 // We can set up the frame anchor with everything we want at | |
| 102 // this point as we are thread_in_Java and no safepoints can | |
| 103 // occur until we go to vm mode. We do have to clear flags | |
| 104 // on return from vm but that is it. | |
| 105 thread->set_last_Java_frame(); | |
| 106 | |
| 107 // Call the interpreter | |
| 108 if (JvmtiExport::can_post_interpreter_events()) | |
| 109 BytecodeInterpreter::runWithChecks(istate); | |
| 110 else | |
| 111 BytecodeInterpreter::run(istate); | |
| 112 fixup_after_potential_safepoint(); | |
| 113 | |
| 114 // Clear the frame anchor | |
| 115 thread->reset_last_Java_frame(); | |
| 116 | |
| 117 // Examine the message from the interpreter to decide what to do | |
| 118 if (istate->msg() == BytecodeInterpreter::call_method) { | |
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119 Method* callee = istate->callee(); |
| 1010 | 120 |
| 121 // Trim back the stack to put the parameters at the top | |
| 122 stack->set_sp(istate->stack() + 1); | |
| 123 | |
| 124 // Make the call | |
| 125 Interpreter::invoke_method(callee, istate->callee_entry_point(), THREAD); | |
| 126 fixup_after_potential_safepoint(); | |
| 127 | |
| 128 // Convert the result | |
| 129 istate->set_stack(stack->sp() - 1); | |
| 130 | |
| 131 // Restore the stack | |
| 132 stack->set_sp(istate->stack_limit() + 1); | |
| 133 | |
| 134 // Resume the interpreter | |
| 135 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 136 } | |
| 137 else if (istate->msg() == BytecodeInterpreter::more_monitors) { | |
| 138 int monitor_words = frame::interpreter_frame_monitor_size(); | |
| 139 | |
| 140 // Allocate the space | |
| 1379 | 141 stack->overflow_check(monitor_words, THREAD); |
| 142 if (HAS_PENDING_EXCEPTION) | |
| 143 break; | |
| 1010 | 144 stack->alloc(monitor_words * wordSize); |
| 145 | |
| 146 // Move the expression stack contents | |
| 147 for (intptr_t *p = istate->stack() + 1; p < istate->stack_base(); p++) | |
| 148 *(p - monitor_words) = *p; | |
| 149 | |
| 150 // Move the expression stack pointers | |
| 151 istate->set_stack_limit(istate->stack_limit() - monitor_words); | |
| 152 istate->set_stack(istate->stack() - monitor_words); | |
| 153 istate->set_stack_base(istate->stack_base() - monitor_words); | |
| 154 | |
| 155 // Zero the new monitor so the interpreter can find it. | |
| 156 ((BasicObjectLock *) istate->stack_base())->set_obj(NULL); | |
| 157 | |
| 158 // Resume the interpreter | |
| 159 istate->set_msg(BytecodeInterpreter::got_monitors); | |
| 160 } | |
| 161 else if (istate->msg() == BytecodeInterpreter::return_from_method) { | |
| 162 // Copy the result into the caller's frame | |
| 1256 | 163 result_slots = type2size[result_type_of(method)]; |
| 1010 | 164 assert(result_slots >= 0 && result_slots <= 2, "what?"); |
| 165 result = istate->stack() + result_slots; | |
| 166 break; | |
| 167 } | |
| 168 else if (istate->msg() == BytecodeInterpreter::throwing_exception) { | |
| 169 assert(HAS_PENDING_EXCEPTION, "should do"); | |
| 170 break; | |
| 171 } | |
| 172 else if (istate->msg() == BytecodeInterpreter::do_osr) { | |
| 173 // Unwind the current frame | |
| 174 thread->pop_zero_frame(); | |
| 175 | |
| 176 // Remove any extension of the previous frame | |
| 177 int extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 178 stack->set_sp(stack->sp() + extra_locals); | |
| 179 | |
| 180 // Jump into the OSR method | |
| 181 Interpreter::invoke_osr( | |
| 182 method, istate->osr_entry(), istate->osr_buf(), THREAD); | |
| 183 return; | |
| 184 } | |
| 185 else { | |
| 186 ShouldNotReachHere(); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 // Unwind the current frame | |
| 191 thread->pop_zero_frame(); | |
| 192 | |
| 193 // Pop our local variables | |
| 194 stack->set_sp(stack->sp() + method->max_locals()); | |
| 195 | |
| 196 // Push our result | |
| 197 for (int i = 0; i < result_slots; i++) | |
| 198 stack->push(result[-i]); | |
| 199 } | |
| 200 | |
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201 int CppInterpreter::native_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 202 // Make sure method is native and not abstract |
| 203 assert(method->is_native() && !method->is_abstract(), "should be"); | |
| 204 | |
| 205 JavaThread *thread = (JavaThread *) THREAD; | |
| 206 ZeroStack *stack = thread->zero_stack(); | |
| 207 | |
| 208 // Allocate and initialize our frame | |
| 1514 | 209 InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0); |
| 1010 | 210 thread->push_zero_frame(frame); |
| 211 interpreterState istate = frame->interpreter_state(); | |
| 212 intptr_t *locals = istate->locals(); | |
| 213 | |
| 1078 | 214 // Update the invocation counter |
| 215 if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) { | |
| 10233 | 216 MethodCounters* mcs = method->method_counters(); |
| 217 if (mcs == NULL) { | |
| 218 CALL_VM_NOCHECK(mcs = InterpreterRuntime::build_method_counters(thread, method)); | |
| 219 if (HAS_PENDING_EXCEPTION) | |
| 220 goto unwind_and_return; | |
| 221 } | |
| 222 InvocationCounter *counter = mcs->invocation_counter(); | |
| 1078 | 223 counter->increment(); |
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224 if (counter->reached_InvocationLimit(mcs->backedge_counter())) { |
| 1078 | 225 CALL_VM_NOCHECK( |
| 226 InterpreterRuntime::frequency_counter_overflow(thread, NULL)); | |
| 227 if (HAS_PENDING_EXCEPTION) | |
| 228 goto unwind_and_return; | |
| 229 } | |
| 230 } | |
| 231 | |
| 1010 | 232 // Lock if necessary |
| 233 BasicObjectLock *monitor; | |
| 234 monitor = NULL; | |
| 235 if (method->is_synchronized()) { | |
| 236 monitor = (BasicObjectLock*) istate->stack_base(); | |
| 237 oop lockee = monitor->obj(); | |
| 238 markOop disp = lockee->mark()->set_unlocked(); | |
| 239 | |
| 240 monitor->lock()->set_displaced_header(disp); | |
| 241 if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) { | |
| 242 if (thread->is_lock_owned((address) disp->clear_lock_bits())) { | |
| 243 monitor->lock()->set_displaced_header(NULL); | |
| 244 } | |
| 245 else { | |
| 246 CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor)); | |
| 247 if (HAS_PENDING_EXCEPTION) | |
| 248 goto unwind_and_return; | |
| 249 } | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 // Get the signature handler | |
| 254 InterpreterRuntime::SignatureHandler *handler; { | |
| 255 address handlerAddr = method->signature_handler(); | |
| 256 if (handlerAddr == NULL) { | |
| 257 CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method)); | |
| 258 if (HAS_PENDING_EXCEPTION) | |
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259 goto unlock_unwind_and_return; |
| 1010 | 260 |
| 261 handlerAddr = method->signature_handler(); | |
| 262 assert(handlerAddr != NULL, "eh?"); | |
| 263 } | |
| 264 if (handlerAddr == (address) InterpreterRuntime::slow_signature_handler) { | |
| 265 CALL_VM_NOCHECK(handlerAddr = | |
| 266 InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL)); | |
| 267 if (HAS_PENDING_EXCEPTION) | |
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268 goto unlock_unwind_and_return; |
| 1010 | 269 } |
| 270 handler = \ | |
| 271 InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr); | |
| 272 } | |
| 273 | |
| 274 // Get the native function entry point | |
| 275 address function; | |
| 276 function = method->native_function(); | |
| 277 assert(function != NULL, "should be set if signature handler is"); | |
| 278 | |
| 279 // Build the argument list | |
| 1379 | 280 stack->overflow_check(handler->argument_count() * 2, THREAD); |
| 281 if (HAS_PENDING_EXCEPTION) | |
| 282 goto unlock_unwind_and_return; | |
| 283 | |
| 1010 | 284 void **arguments; |
| 285 void *mirror; { | |
| 286 arguments = | |
| 287 (void **) stack->alloc(handler->argument_count() * sizeof(void **)); | |
| 288 void **dst = arguments; | |
| 289 | |
| 290 void *env = thread->jni_environment(); | |
| 291 *(dst++) = &env; | |
| 292 | |
| 293 if (method->is_static()) { | |
| 294 istate->set_oop_temp( | |
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295 method->constants()->pool_holder()->java_mirror()); |
| 1010 | 296 mirror = istate->oop_temp_addr(); |
| 297 *(dst++) = &mirror; | |
| 298 } | |
| 299 | |
| 300 intptr_t *src = locals; | |
| 301 for (int i = dst - arguments; i < handler->argument_count(); i++) { | |
| 302 ffi_type *type = handler->argument_type(i); | |
| 303 if (type == &ffi_type_pointer) { | |
| 304 if (*src) { | |
| 305 stack->push((intptr_t) src); | |
| 306 *(dst++) = stack->sp(); | |
| 307 } | |
| 308 else { | |
| 309 *(dst++) = src; | |
| 310 } | |
| 311 src--; | |
| 312 } | |
| 313 else if (type->size == 4) { | |
| 314 *(dst++) = src--; | |
| 315 } | |
| 316 else if (type->size == 8) { | |
| 317 src--; | |
| 318 *(dst++) = src--; | |
| 319 } | |
| 320 else { | |
| 321 ShouldNotReachHere(); | |
| 322 } | |
| 323 } | |
| 324 } | |
| 325 | |
| 326 // Set up the Java frame anchor | |
| 327 thread->set_last_Java_frame(); | |
| 328 | |
| 329 // Change the thread state to _thread_in_native | |
| 330 ThreadStateTransition::transition_from_java(thread, _thread_in_native); | |
| 331 | |
| 332 // Make the call | |
| 333 intptr_t result[4 - LogBytesPerWord]; | |
| 334 ffi_call(handler->cif(), (void (*)()) function, result, arguments); | |
| 335 | |
| 336 // Change the thread state back to _thread_in_Java. | |
| 337 // ThreadStateTransition::transition_from_native() cannot be used | |
| 338 // here because it does not check for asynchronous exceptions. | |
| 339 // We have to manage the transition ourself. | |
| 340 thread->set_thread_state(_thread_in_native_trans); | |
| 341 | |
| 342 // Make sure new state is visible in the GC thread | |
| 343 if (os::is_MP()) { | |
| 344 if (UseMembar) { | |
| 345 OrderAccess::fence(); | |
| 346 } | |
| 347 else { | |
| 348 InterfaceSupport::serialize_memory(thread); | |
| 349 } | |
| 350 } | |
| 351 | |
| 352 // Handle safepoint operations, pending suspend requests, | |
| 353 // and pending asynchronous exceptions. | |
| 354 if (SafepointSynchronize::do_call_back() || | |
| 355 thread->has_special_condition_for_native_trans()) { | |
| 356 JavaThread::check_special_condition_for_native_trans(thread); | |
| 357 CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops()); | |
| 358 } | |
| 359 | |
| 360 // Finally we can change the thread state to _thread_in_Java. | |
| 361 thread->set_thread_state(_thread_in_Java); | |
| 362 fixup_after_potential_safepoint(); | |
| 363 | |
| 364 // Clear the frame anchor | |
| 365 thread->reset_last_Java_frame(); | |
| 366 | |
| 367 // If the result was an oop then unbox it and store it in | |
| 368 // oop_temp where the garbage collector can see it before | |
| 369 // we release the handle it might be protected by. | |
| 370 if (handler->result_type() == &ffi_type_pointer) { | |
| 371 if (result[0]) | |
| 372 istate->set_oop_temp(*(oop *) result[0]); | |
| 373 else | |
| 374 istate->set_oop_temp(NULL); | |
| 375 } | |
| 376 | |
| 377 // Reset handle block | |
| 378 thread->active_handles()->clear(); | |
| 379 | |
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380 unlock_unwind_and_return: |
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381 |
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382 // Unlock if necessary |
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383 if (monitor) { |
| 1010 | 384 BasicLock *lock = monitor->lock(); |
| 385 markOop header = lock->displaced_header(); | |
| 386 oop rcvr = monitor->obj(); | |
| 387 monitor->set_obj(NULL); | |
| 388 | |
| 389 if (header != NULL) { | |
| 390 if (Atomic::cmpxchg_ptr(header, rcvr->mark_addr(), lock) != lock) { | |
| 391 monitor->set_obj(rcvr); { | |
| 392 HandleMark hm(thread); | |
| 393 CALL_VM_NOCHECK(InterpreterRuntime::monitorexit(thread, monitor)); | |
| 394 } | |
| 395 } | |
| 396 } | |
| 397 } | |
| 398 | |
| 399 unwind_and_return: | |
| 400 | |
| 401 // Unwind the current activation | |
| 402 thread->pop_zero_frame(); | |
| 403 | |
| 404 // Pop our parameters | |
| 405 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 406 | |
| 407 // Push our result | |
| 408 if (!HAS_PENDING_EXCEPTION) { | |
| 1256 | 409 BasicType type = result_type_of(method); |
| 410 stack->set_sp(stack->sp() - type2size[type]); | |
| 1010 | 411 |
| 1256 | 412 switch (type) { |
| 1010 | 413 case T_VOID: |
| 414 break; | |
| 415 | |
| 416 case T_BOOLEAN: | |
| 417 #ifndef VM_LITTLE_ENDIAN | |
| 418 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 419 #endif | |
| 420 SET_LOCALS_INT(*(jboolean *) result != 0, 0); | |
| 421 break; | |
| 422 | |
| 423 case T_CHAR: | |
| 424 #ifndef VM_LITTLE_ENDIAN | |
| 425 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 426 #endif | |
| 427 SET_LOCALS_INT(*(jchar *) result, 0); | |
| 428 break; | |
| 429 | |
| 430 case T_BYTE: | |
| 431 #ifndef VM_LITTLE_ENDIAN | |
| 432 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 433 #endif | |
| 434 SET_LOCALS_INT(*(jbyte *) result, 0); | |
| 435 break; | |
| 436 | |
| 437 case T_SHORT: | |
| 438 #ifndef VM_LITTLE_ENDIAN | |
| 439 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 440 #endif | |
| 441 SET_LOCALS_INT(*(jshort *) result, 0); | |
| 442 break; | |
| 443 | |
| 444 case T_INT: | |
| 445 #ifndef VM_LITTLE_ENDIAN | |
| 446 result[0] <<= (BitsPerWord - BitsPerInt); | |
| 447 #endif | |
| 448 SET_LOCALS_INT(*(jint *) result, 0); | |
| 449 break; | |
| 450 | |
| 451 case T_LONG: | |
| 452 SET_LOCALS_LONG(*(jlong *) result, 0); | |
| 453 break; | |
| 454 | |
| 455 case T_FLOAT: | |
| 456 SET_LOCALS_FLOAT(*(jfloat *) result, 0); | |
| 457 break; | |
| 458 | |
| 459 case T_DOUBLE: | |
| 460 SET_LOCALS_DOUBLE(*(jdouble *) result, 0); | |
| 461 break; | |
| 462 | |
| 463 case T_OBJECT: | |
| 464 case T_ARRAY: | |
| 465 SET_LOCALS_OBJECT(istate->oop_temp(), 0); | |
| 466 break; | |
| 467 | |
| 468 default: | |
| 469 ShouldNotReachHere(); | |
| 470 } | |
| 471 } | |
| 1514 | 472 |
| 473 // No deoptimized frames on the stack | |
| 474 return 0; | |
| 1010 | 475 } |
| 476 | |
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477 int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 478 JavaThread *thread = (JavaThread *) THREAD; |
| 479 ZeroStack *stack = thread->zero_stack(); | |
| 480 intptr_t *locals = stack->sp(); | |
| 481 | |
| 482 // Drop into the slow path if we need a safepoint check | |
| 483 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 484 return normal_entry(method, 0, THREAD); |
| 1010 | 485 } |
| 486 | |
| 487 // Load the object pointer and drop into the slow path | |
| 488 // if we have a NullPointerException | |
| 489 oop object = LOCALS_OBJECT(0); | |
| 490 if (object == NULL) { | |
| 1514 | 491 return normal_entry(method, 0, THREAD); |
| 1010 | 492 } |
| 493 | |
| 494 // Read the field index from the bytecode, which looks like this: | |
| 495 // 0: aload_0 | |
| 496 // 1: getfield | |
| 497 // 2: index | |
| 498 // 3: index | |
| 499 // 4: ireturn/areturn | |
| 500 // NB this is not raw bytecode: index is in machine order | |
| 501 u1 *code = method->code_base(); | |
| 502 assert(code[0] == Bytecodes::_aload_0 && | |
| 503 code[1] == Bytecodes::_getfield && | |
| 504 (code[4] == Bytecodes::_ireturn || | |
| 505 code[4] == Bytecodes::_areturn), "should do"); | |
| 506 u2 index = Bytes::get_native_u2(&code[2]); | |
| 507 | |
| 508 // Get the entry from the constant pool cache, and drop into | |
| 509 // the slow path if it has not been resolved | |
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510 ConstantPoolCache* cache = method->constants()->cache(); |
| 1010 | 511 ConstantPoolCacheEntry* entry = cache->entry_at(index); |
| 512 if (!entry->is_resolved(Bytecodes::_getfield)) { | |
| 1514 | 513 return normal_entry(method, 0, THREAD); |
| 1010 | 514 } |
| 515 | |
| 516 // Get the result and push it onto the stack | |
| 517 switch (entry->flag_state()) { | |
| 518 case ltos: | |
| 519 case dtos: | |
| 1514 | 520 stack->overflow_check(1, CHECK_0); |
| 1010 | 521 stack->alloc(wordSize); |
| 522 break; | |
| 523 } | |
| 524 if (entry->is_volatile()) { | |
| 525 switch (entry->flag_state()) { | |
| 526 case ctos: | |
| 6926 | 527 SET_LOCALS_INT(object->char_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 528 break; |
| 529 | |
| 530 case btos: | |
| 6926 | 531 SET_LOCALS_INT(object->byte_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 532 break; |
| 533 | |
| 534 case stos: | |
| 6926 | 535 SET_LOCALS_INT(object->short_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 536 break; |
| 537 | |
| 538 case itos: | |
| 6926 | 539 SET_LOCALS_INT(object->int_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 540 break; |
| 541 | |
| 542 case ltos: | |
| 6926 | 543 SET_LOCALS_LONG(object->long_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 544 break; |
| 545 | |
| 546 case ftos: | |
| 6926 | 547 SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 548 break; |
| 549 | |
| 550 case dtos: | |
| 6926 | 551 SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 552 break; |
| 553 | |
| 554 case atos: | |
| 6926 | 555 SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 556 break; |
| 557 | |
| 558 default: | |
| 559 ShouldNotReachHere(); | |
| 560 } | |
| 561 } | |
| 562 else { | |
| 563 switch (entry->flag_state()) { | |
| 564 case ctos: | |
| 6926 | 565 SET_LOCALS_INT(object->char_field(entry->f2_as_index()), 0); |
| 1010 | 566 break; |
| 567 | |
| 568 case btos: | |
| 6926 | 569 SET_LOCALS_INT(object->byte_field(entry->f2_as_index()), 0); |
| 1010 | 570 break; |
| 571 | |
| 572 case stos: | |
| 6926 | 573 SET_LOCALS_INT(object->short_field(entry->f2_as_index()), 0); |
| 1010 | 574 break; |
| 575 | |
| 576 case itos: | |
| 6926 | 577 SET_LOCALS_INT(object->int_field(entry->f2_as_index()), 0); |
| 1010 | 578 break; |
| 579 | |
| 580 case ltos: | |
| 6926 | 581 SET_LOCALS_LONG(object->long_field(entry->f2_as_index()), 0); |
| 1010 | 582 break; |
| 583 | |
| 584 case ftos: | |
| 6926 | 585 SET_LOCALS_FLOAT(object->float_field(entry->f2_as_index()), 0); |
| 1010 | 586 break; |
| 587 | |
| 588 case dtos: | |
| 6926 | 589 SET_LOCALS_DOUBLE(object->double_field(entry->f2_as_index()), 0); |
| 1010 | 590 break; |
| 591 | |
| 592 case atos: | |
| 6926 | 593 SET_LOCALS_OBJECT(object->obj_field(entry->f2_as_index()), 0); |
| 1010 | 594 break; |
| 595 | |
| 596 default: | |
| 597 ShouldNotReachHere(); | |
| 598 } | |
| 599 } | |
| 1514 | 600 |
| 601 // No deoptimized frames on the stack | |
| 602 return 0; | |
| 1010 | 603 } |
| 604 | |
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605 int CppInterpreter::empty_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 606 JavaThread *thread = (JavaThread *) THREAD; |
| 607 ZeroStack *stack = thread->zero_stack(); | |
| 608 | |
| 609 // Drop into the slow path if we need a safepoint check | |
| 610 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 611 return normal_entry(method, 0, THREAD); |
| 1010 | 612 } |
| 613 | |
| 614 // Pop our parameters | |
| 615 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 1514 | 616 |
| 617 // No deoptimized frames on the stack | |
| 618 return 0; | |
| 1010 | 619 } |
| 620 | |
| 2480 | 621 // The new slots will be inserted before slot insert_before. |
| 622 // Slots < insert_before will have the same slot number after the insert. | |
| 623 // Slots >= insert_before will become old_slot + num_slots. | |
| 624 void CppInterpreter::insert_vmslots(int insert_before, int num_slots, TRAPS) { | |
| 625 JavaThread *thread = (JavaThread *) THREAD; | |
| 626 ZeroStack *stack = thread->zero_stack(); | |
| 627 | |
| 628 // Allocate the space | |
| 629 stack->overflow_check(num_slots, CHECK); | |
| 630 stack->alloc(num_slots * wordSize); | |
| 631 intptr_t *vmslots = stack->sp(); | |
| 632 | |
| 633 // Shuffle everything up | |
| 634 for (int i = 0; i < insert_before; i++) | |
| 635 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i + num_slots), i); | |
| 636 } | |
| 637 | |
| 638 void CppInterpreter::remove_vmslots(int first_slot, int num_slots, TRAPS) { | |
| 639 JavaThread *thread = (JavaThread *) THREAD; | |
| 640 ZeroStack *stack = thread->zero_stack(); | |
| 641 intptr_t *vmslots = stack->sp(); | |
| 642 | |
| 643 // Move everything down | |
| 644 for (int i = first_slot - 1; i >= 0; i--) | |
| 645 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i + num_slots); | |
| 646 | |
| 647 // Deallocate the space | |
| 648 stack->set_sp(stack->sp() + num_slots); | |
| 649 } | |
| 650 | |
| 651 BasicType CppInterpreter::result_type_of_handle(oop method_handle) { | |
| 652 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
| 653 oop return_type = java_lang_invoke_MethodType::rtype(method_type); | |
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654 return java_lang_Class::as_BasicType(return_type, (Klass* *) NULL); |
| 2480 | 655 } |
| 656 | |
| 657 intptr_t* CppInterpreter::calculate_unwind_sp(ZeroStack* stack, | |
| 658 oop method_handle) { | |
| 659 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
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660 int argument_slots = java_lang_invoke_MethodType::ptype_slot_count(method_type); |
| 2480 | 661 |
| 662 return stack->sp() + argument_slots; | |
| 663 } | |
| 664 | |
| 665 IRT_ENTRY(void, CppInterpreter::throw_exception(JavaThread* thread, | |
| 666 Symbol* name, | |
| 667 char* message)) | |
| 668 THROW_MSG(name, message); | |
| 669 IRT_END | |
| 670 | |
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671 InterpreterFrame *InterpreterFrame::build(Method* const method, TRAPS) { |
| 1379 | 672 JavaThread *thread = (JavaThread *) THREAD; |
| 673 ZeroStack *stack = thread->zero_stack(); | |
| 674 | |
| 675 // Calculate the size of the frame we'll build, including | |
| 676 // any adjustments to the caller's frame that we'll make. | |
| 677 int extra_locals = 0; | |
| 678 int monitor_words = 0; | |
| 679 int stack_words = 0; | |
| 1010 | 680 |
| 1379 | 681 if (!method->is_native()) { |
| 682 extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 683 stack_words = method->max_stack(); | |
| 1010 | 684 } |
| 1379 | 685 if (method->is_synchronized()) { |
| 686 monitor_words = frame::interpreter_frame_monitor_size(); | |
| 687 } | |
| 688 stack->overflow_check( | |
| 689 extra_locals + header_words + monitor_words + stack_words, CHECK_NULL); | |
| 1010 | 690 |
| 1379 | 691 // Adjust the caller's stack frame to accomodate any additional |
| 692 // local variables we have contiguously with our parameters. | |
| 693 for (int i = 0; i < extra_locals; i++) | |
| 694 stack->push(0); | |
| 1010 | 695 |
| 696 intptr_t *locals; | |
| 697 if (method->is_native()) | |
| 698 locals = stack->sp() + (method->size_of_parameters() - 1); | |
| 699 else | |
| 700 locals = stack->sp() + (method->max_locals() - 1); | |
| 701 | |
| 702 stack->push(0); // next_frame, filled in later | |
| 703 intptr_t *fp = stack->sp(); | |
| 704 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 705 | |
| 706 stack->push(INTERPRETER_FRAME); | |
| 707 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 708 | |
| 709 interpreterState istate = | |
| 710 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 711 assert(fp - stack->sp() == istate_off, "should be"); | |
| 712 | |
| 713 istate->set_locals(locals); | |
| 714 istate->set_method(method); | |
| 715 istate->set_self_link(istate); | |
| 716 istate->set_prev_link(NULL); | |
| 717 istate->set_thread(thread); | |
| 718 istate->set_bcp(method->is_native() ? NULL : method->code_base()); | |
| 719 istate->set_constants(method->constants()->cache()); | |
| 720 istate->set_msg(BytecodeInterpreter::method_entry); | |
| 721 istate->set_oop_temp(NULL); | |
| 722 istate->set_mdx(NULL); | |
| 723 istate->set_callee(NULL); | |
| 724 | |
| 725 istate->set_monitor_base((BasicObjectLock *) stack->sp()); | |
| 726 if (method->is_synchronized()) { | |
| 727 BasicObjectLock *monitor = | |
| 728 (BasicObjectLock *) stack->alloc(monitor_words * wordSize); | |
| 729 oop object; | |
| 730 if (method->is_static()) | |
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731 object = method->constants()->pool_holder()->java_mirror(); |
| 1010 | 732 else |
| 733 object = (oop) locals[0]; | |
| 734 monitor->set_obj(object); | |
| 735 } | |
| 736 | |
| 737 istate->set_stack_base(stack->sp()); | |
| 738 istate->set_stack(stack->sp() - 1); | |
| 739 if (stack_words) | |
| 740 stack->alloc(stack_words * wordSize); | |
| 741 istate->set_stack_limit(stack->sp() - 1); | |
| 742 | |
| 743 return (InterpreterFrame *) fp; | |
| 744 } | |
| 745 | |
| 746 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 747 int i = 0; | |
| 748 switch (type) { | |
| 749 case T_BOOLEAN: i = 0; break; | |
| 750 case T_CHAR : i = 1; break; | |
| 751 case T_BYTE : i = 2; break; | |
| 752 case T_SHORT : i = 3; break; | |
| 753 case T_INT : i = 4; break; | |
| 754 case T_LONG : i = 5; break; | |
| 755 case T_VOID : i = 6; break; | |
| 756 case T_FLOAT : i = 7; break; | |
| 757 case T_DOUBLE : i = 8; break; | |
| 758 case T_OBJECT : i = 9; break; | |
| 759 case T_ARRAY : i = 9; break; | |
| 760 default : ShouldNotReachHere(); | |
| 761 } | |
| 762 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 763 "index out of bounds"); | |
| 764 return i; | |
| 765 } | |
| 766 | |
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767 BasicType CppInterpreter::result_type_of(Method* method) { |
| 1256 | 768 BasicType t; |
| 769 switch (method->result_index()) { | |
| 770 case 0 : t = T_BOOLEAN; break; | |
| 771 case 1 : t = T_CHAR; break; | |
| 772 case 2 : t = T_BYTE; break; | |
| 773 case 3 : t = T_SHORT; break; | |
| 774 case 4 : t = T_INT; break; | |
| 775 case 5 : t = T_LONG; break; | |
| 776 case 6 : t = T_VOID; break; | |
| 777 case 7 : t = T_FLOAT; break; | |
| 778 case 8 : t = T_DOUBLE; break; | |
| 779 case 9 : t = T_OBJECT; break; | |
| 780 default: ShouldNotReachHere(); | |
| 781 } | |
| 782 assert(AbstractInterpreter::BasicType_as_index(t) == method->result_index(), | |
| 783 "out of step with AbstractInterpreter::BasicType_as_index"); | |
| 784 return t; | |
| 785 } | |
| 786 | |
| 1010 | 787 address InterpreterGenerator::generate_empty_entry() { |
| 788 if (!UseFastEmptyMethods) | |
| 789 return NULL; | |
| 790 | |
| 791 return generate_entry((address) CppInterpreter::empty_entry); | |
| 792 } | |
| 793 | |
| 794 address InterpreterGenerator::generate_accessor_entry() { | |
| 795 if (!UseFastAccessorMethods) | |
| 796 return NULL; | |
| 797 | |
| 798 return generate_entry((address) CppInterpreter::accessor_entry); | |
| 799 } | |
| 800 | |
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801 address InterpreterGenerator::generate_Reference_get_entry(void) { |
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802 #if INCLUDE_ALL_GCS |
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803 if (UseG1GC) { |
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804 // We need to generate have a routine that generates code to: |
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805 // * load the value in the referent field |
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806 // * passes that value to the pre-barrier. |
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807 // |
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808 // In the case of G1 this will record the value of the |
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809 // referent in an SATB buffer if marking is active. |
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810 // This will cause concurrent marking to mark the referent |
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811 // field as live. |
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812 Unimplemented(); |
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813 } |
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814 #endif // INCLUDE_ALL_GCS |
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815 |
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816 // If G1 is not enabled then attempt to go through the accessor entry point |
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817 // Reference.get is an accessor |
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818 return generate_accessor_entry(); |
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819 } |
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820 |
| 1010 | 821 address InterpreterGenerator::generate_native_entry(bool synchronized) { |
| 822 assert(synchronized == false, "should be"); | |
| 823 | |
| 824 return generate_entry((address) CppInterpreter::native_entry); | |
| 825 } | |
| 826 | |
| 827 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 828 assert(synchronized == false, "should be"); | |
| 829 | |
| 830 return generate_entry((address) CppInterpreter::normal_entry); | |
| 831 } | |
| 832 | |
| 833 address AbstractInterpreterGenerator::generate_method_entry( | |
| 834 AbstractInterpreter::MethodKind kind) { | |
| 835 address entry_point = NULL; | |
| 836 | |
| 837 switch (kind) { | |
| 838 case Interpreter::zerolocals: | |
| 839 case Interpreter::zerolocals_synchronized: | |
| 840 break; | |
| 841 | |
| 842 case Interpreter::native: | |
| 843 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 844 break; | |
| 845 | |
| 846 case Interpreter::native_synchronized: | |
| 847 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 848 break; | |
| 849 | |
| 850 case Interpreter::empty: | |
| 851 entry_point = ((InterpreterGenerator*) this)->generate_empty_entry(); | |
| 852 break; | |
| 853 | |
| 854 case Interpreter::accessor: | |
| 855 entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry(); | |
| 856 break; | |
| 857 | |
| 858 case Interpreter::abstract: | |
| 859 entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry(); | |
| 860 break; | |
| 861 | |
| 862 case Interpreter::java_lang_math_sin: | |
| 863 case Interpreter::java_lang_math_cos: | |
| 864 case Interpreter::java_lang_math_tan: | |
| 865 case Interpreter::java_lang_math_abs: | |
| 866 case Interpreter::java_lang_math_log: | |
| 867 case Interpreter::java_lang_math_log10: | |
| 868 case Interpreter::java_lang_math_sqrt: | |
| 6926 | 869 case Interpreter::java_lang_math_pow: |
| 870 case Interpreter::java_lang_math_exp: | |
| 1010 | 871 entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind); |
| 872 break; | |
| 873 | |
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874 case Interpreter::java_lang_ref_reference_get: |
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875 entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); |
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876 break; |
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877 |
| 1010 | 878 default: |
| 879 ShouldNotReachHere(); | |
| 880 } | |
| 881 | |
| 882 if (entry_point == NULL) | |
| 883 entry_point = ((InterpreterGenerator*) this)->generate_normal_entry(false); | |
| 884 | |
| 885 return entry_point; | |
| 886 } | |
| 887 | |
| 888 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 889 : CppInterpreterGenerator(code) { | |
| 890 generate_all(); | |
| 891 } | |
| 892 | |
| 893 // Deoptimization helpers | |
| 894 | |
| 1379 | 895 InterpreterFrame *InterpreterFrame::build(int size, TRAPS) { |
| 896 ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); | |
| 897 | |
| 1010 | 898 int size_in_words = size >> LogBytesPerWord; |
| 899 assert(size_in_words * wordSize == size, "unaligned"); | |
| 900 assert(size_in_words >= header_words, "too small"); | |
| 1379 | 901 stack->overflow_check(size_in_words, CHECK_NULL); |
| 1010 | 902 |
| 903 stack->push(0); // next_frame, filled in later | |
| 904 intptr_t *fp = stack->sp(); | |
| 905 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 906 | |
| 907 stack->push(INTERPRETER_FRAME); | |
| 908 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 909 | |
| 910 interpreterState istate = | |
| 911 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 912 assert(fp - stack->sp() == istate_off, "should be"); | |
| 913 istate->set_self_link(NULL); // mark invalid | |
| 914 | |
| 915 stack->alloc((size_in_words - header_words) * wordSize); | |
| 916 | |
| 917 return (InterpreterFrame *) fp; | |
| 918 } | |
| 919 | |
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920 int AbstractInterpreter::size_activation(int max_stack, |
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921 int tempcount, |
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922 int extra_args, |
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923 int moncount, |
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924 int callee_param_count, |
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925 int callee_locals, |
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926 bool is_top_frame) { |
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927 int header_words = InterpreterFrame::header_words; |
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928 int monitor_words = moncount * frame::interpreter_frame_monitor_size(); |
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929 int stack_words = is_top_frame ? max_stack : tempcount; |
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930 int callee_extra_locals = callee_locals - callee_param_count; |
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931 |
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932 return header_words + monitor_words + stack_words + callee_extra_locals; |
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933 } |
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934 |
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935 void AbstractInterpreter::layout_activation(Method* method, |
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936 int tempcount, |
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937 int popframe_extra_args, |
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938 int moncount, |
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939 int caller_actual_parameters, |
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940 int callee_param_count, |
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941 int callee_locals, |
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942 frame* caller, |
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943 frame* interpreter_frame, |
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944 bool is_top_frame, |
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945 bool is_bottom_frame) { |
| 1010 | 946 assert(popframe_extra_args == 0, "what to do?"); |
| 947 assert(!is_top_frame || (!callee_locals && !callee_param_count), | |
| 1605 | 948 "top frame should have no caller"); |
| 1010 | 949 |
| 950 // This code must exactly match what InterpreterFrame::build | |
| 951 // does (the full InterpreterFrame::build, that is, not the | |
| 952 // one that creates empty frames for the deoptimizer). | |
| 953 // | |
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954 // interpreter_frame will be filled in. It's size is determined by |
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955 // a previous call to the size_activation() method, |
| 1010 | 956 // |
| 957 // Note that tempcount is the current size of the expression | |
| 958 // stack. For top most frames we will allocate a full sized | |
| 959 // expression stack and not the trimmed version that non-top | |
| 960 // frames have. | |
| 961 | |
| 962 int monitor_words = moncount * frame::interpreter_frame_monitor_size(); | |
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963 intptr_t *locals = interpreter_frame->fp() + method->max_locals(); |
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964 interpreterState istate = interpreter_frame->get_interpreterState(); |
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965 intptr_t *monitor_base = (intptr_t*) istate; |
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966 intptr_t *stack_base = monitor_base - monitor_words; |
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967 intptr_t *stack = stack_base - tempcount - 1; |
| 1010 | 968 |
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969 BytecodeInterpreter::layout_interpreterState(istate, |
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970 caller, |
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971 NULL, |
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972 method, |
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973 locals, |
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974 stack, |
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975 stack_base, |
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976 monitor_base, |
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977 NULL, |
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978 is_top_frame); |
| 1010 | 979 } |
| 980 | |
| 981 void BytecodeInterpreter::layout_interpreterState(interpreterState istate, | |
| 982 frame* caller, | |
| 983 frame* current, | |
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984 Method* method, |
| 1010 | 985 intptr_t* locals, |
| 986 intptr_t* stack, | |
| 987 intptr_t* stack_base, | |
| 988 intptr_t* monitor_base, | |
| 989 intptr_t* frame_bottom, | |
| 990 bool is_top_frame) { | |
| 991 istate->set_locals(locals); | |
| 992 istate->set_method(method); | |
| 993 istate->set_self_link(istate); | |
| 994 istate->set_prev_link(NULL); | |
| 995 // thread will be set by a hacky repurposing of frame::patch_pc() | |
| 996 // bcp will be set by vframeArrayElement::unpack_on_stack() | |
| 997 istate->set_constants(method->constants()->cache()); | |
| 998 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 999 istate->set_bcp_advance(0); | |
| 1000 istate->set_oop_temp(NULL); | |
| 1001 istate->set_mdx(NULL); | |
| 1002 if (caller->is_interpreted_frame()) { | |
| 1003 interpreterState prev = caller->get_interpreterState(); | |
| 1004 prev->set_callee(method); | |
| 1005 if (*prev->bcp() == Bytecodes::_invokeinterface) | |
| 1006 prev->set_bcp_advance(5); | |
| 1007 else | |
| 1008 prev->set_bcp_advance(3); | |
| 1009 } | |
| 1010 istate->set_callee(NULL); | |
| 1011 istate->set_monitor_base((BasicObjectLock *) monitor_base); | |
| 1012 istate->set_stack_base(stack_base); | |
| 1013 istate->set_stack(stack); | |
| 1014 istate->set_stack_limit(stack_base - method->max_stack() - 1); | |
| 1015 } | |
| 1016 | |
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1017 address CppInterpreter::return_entry(TosState state, int length, Bytecodes::Code code) { |
| 1010 | 1018 ShouldNotCallThis(); |
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1019 return NULL; |
| 1010 | 1020 } |
| 1021 | |
| 1022 address CppInterpreter::deopt_entry(TosState state, int length) { | |
| 1023 return NULL; | |
| 1024 } | |
| 1025 | |
| 1026 // Helper for (runtime) stack overflow checks | |
| 1027 | |
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1028 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 1010 | 1029 return 0; |
| 1030 } | |
| 1031 | |
| 1032 // Helper for figuring out if frames are interpreter frames | |
| 1033 | |
| 1034 bool CppInterpreter::contains(address pc) { | |
| 1035 return false; // make frame::print_value_on work | |
| 1036 } | |
| 1037 | |
| 1038 // Result handlers and convertors | |
| 1039 | |
| 1040 address CppInterpreterGenerator::generate_result_handler_for( | |
| 1041 BasicType type) { | |
| 1042 assembler()->advance(1); | |
| 1043 return ShouldNotCallThisStub(); | |
| 1044 } | |
| 1045 | |
| 1046 address CppInterpreterGenerator::generate_tosca_to_stack_converter( | |
| 1047 BasicType type) { | |
| 1048 assembler()->advance(1); | |
| 1049 return ShouldNotCallThisStub(); | |
| 1050 } | |
| 1051 | |
| 1052 address CppInterpreterGenerator::generate_stack_to_stack_converter( | |
| 1053 BasicType type) { | |
| 1054 assembler()->advance(1); | |
| 1055 return ShouldNotCallThisStub(); | |
| 1056 } | |
| 1057 | |
| 1058 address CppInterpreterGenerator::generate_stack_to_native_abi_converter( | |
| 1059 BasicType type) { | |
| 1060 assembler()->advance(1); | |
| 1061 return ShouldNotCallThisStub(); | |
| 1062 } | |
| 1063 | |
| 1064 #endif // CC_INTERP |