Mercurial > hg > truffle
annotate src/cpu/zero/vm/cppInterpreter_zero.cpp @ 17795:a9becfeecd1b
Merge
| author | kvn |
|---|---|
| date | Wed, 22 Jan 2014 17:42:23 -0800 |
| parents | 55fb97c4c58d 2b8e28fdf503 |
| children | 4ca6dc0799b6 0bf37f737702 |
| 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" | |
| 43 #include "runtime/sharedRuntime.hpp" | |
| 44 #include "runtime/stubRoutines.hpp" | |
| 45 #include "runtime/synchronizer.hpp" | |
| 46 #include "runtime/timer.hpp" | |
| 47 #include "runtime/vframeArray.hpp" | |
| 48 #include "stack_zero.inline.hpp" | |
| 49 #include "utilities/debug.hpp" | |
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50 #include "utilities/macros.hpp" |
| 1972 | 51 #ifdef SHARK |
| 52 #include "shark/shark_globals.hpp" | |
| 53 #endif | |
| 1010 | 54 |
| 55 #ifdef CC_INTERP | |
| 56 | |
| 57 #define fixup_after_potential_safepoint() \ | |
| 58 method = istate->method() | |
| 59 | |
| 2480 | 60 #define CALL_VM_NOCHECK_NOFIX(func) \ |
| 1010 | 61 thread->set_last_Java_frame(); \ |
| 62 func; \ | |
| 2480 | 63 thread->reset_last_Java_frame(); |
| 64 | |
| 65 #define CALL_VM_NOCHECK(func) \ | |
| 66 CALL_VM_NOCHECK_NOFIX(func) \ | |
| 1010 | 67 fixup_after_potential_safepoint() |
| 68 | |
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69 int CppInterpreter::normal_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 70 JavaThread *thread = (JavaThread *) THREAD; |
| 71 | |
| 72 // Allocate and initialize our frame. | |
| 1514 | 73 InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0); |
| 1010 | 74 thread->push_zero_frame(frame); |
| 75 | |
| 76 // Execute those bytecodes! | |
| 77 main_loop(0, THREAD); | |
| 1514 | 78 |
| 79 // No deoptimized frames on the stack | |
| 80 return 0; | |
| 1010 | 81 } |
| 82 | |
| 83 void CppInterpreter::main_loop(int recurse, TRAPS) { | |
| 84 JavaThread *thread = (JavaThread *) THREAD; | |
| 85 ZeroStack *stack = thread->zero_stack(); | |
| 86 | |
| 87 // If we are entering from a deopt we may need to call | |
| 88 // ourself a few times in order to get to our frame. | |
| 89 if (recurse) | |
| 90 main_loop(recurse - 1, THREAD); | |
| 91 | |
| 92 InterpreterFrame *frame = thread->top_zero_frame()->as_interpreter_frame(); | |
| 93 interpreterState istate = frame->interpreter_state(); | |
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94 Method* method = istate->method(); |
| 1010 | 95 |
| 96 intptr_t *result = NULL; | |
| 97 int result_slots = 0; | |
| 98 | |
| 99 while (true) { | |
| 100 // We can set up the frame anchor with everything we want at | |
| 101 // this point as we are thread_in_Java and no safepoints can | |
| 102 // occur until we go to vm mode. We do have to clear flags | |
| 103 // on return from vm but that is it. | |
| 104 thread->set_last_Java_frame(); | |
| 105 | |
| 106 // Call the interpreter | |
| 107 if (JvmtiExport::can_post_interpreter_events()) | |
| 108 BytecodeInterpreter::runWithChecks(istate); | |
| 109 else | |
| 110 BytecodeInterpreter::run(istate); | |
| 111 fixup_after_potential_safepoint(); | |
| 112 | |
| 113 // Clear the frame anchor | |
| 114 thread->reset_last_Java_frame(); | |
| 115 | |
| 116 // Examine the message from the interpreter to decide what to do | |
| 117 if (istate->msg() == BytecodeInterpreter::call_method) { | |
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118 Method* callee = istate->callee(); |
| 1010 | 119 |
| 120 // Trim back the stack to put the parameters at the top | |
| 121 stack->set_sp(istate->stack() + 1); | |
| 122 | |
| 123 // Make the call | |
| 124 Interpreter::invoke_method(callee, istate->callee_entry_point(), THREAD); | |
| 125 fixup_after_potential_safepoint(); | |
| 126 | |
| 127 // Convert the result | |
| 128 istate->set_stack(stack->sp() - 1); | |
| 129 | |
| 130 // Restore the stack | |
| 131 stack->set_sp(istate->stack_limit() + 1); | |
| 132 | |
| 133 // Resume the interpreter | |
| 134 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 135 } | |
| 136 else if (istate->msg() == BytecodeInterpreter::more_monitors) { | |
| 137 int monitor_words = frame::interpreter_frame_monitor_size(); | |
| 138 | |
| 139 // Allocate the space | |
| 1379 | 140 stack->overflow_check(monitor_words, THREAD); |
| 141 if (HAS_PENDING_EXCEPTION) | |
| 142 break; | |
| 1010 | 143 stack->alloc(monitor_words * wordSize); |
| 144 | |
| 145 // Move the expression stack contents | |
| 146 for (intptr_t *p = istate->stack() + 1; p < istate->stack_base(); p++) | |
| 147 *(p - monitor_words) = *p; | |
| 148 | |
| 149 // Move the expression stack pointers | |
| 150 istate->set_stack_limit(istate->stack_limit() - monitor_words); | |
| 151 istate->set_stack(istate->stack() - monitor_words); | |
| 152 istate->set_stack_base(istate->stack_base() - monitor_words); | |
| 153 | |
| 154 // Zero the new monitor so the interpreter can find it. | |
| 155 ((BasicObjectLock *) istate->stack_base())->set_obj(NULL); | |
| 156 | |
| 157 // Resume the interpreter | |
| 158 istate->set_msg(BytecodeInterpreter::got_monitors); | |
| 159 } | |
| 160 else if (istate->msg() == BytecodeInterpreter::return_from_method) { | |
| 161 // Copy the result into the caller's frame | |
| 1256 | 162 result_slots = type2size[result_type_of(method)]; |
| 1010 | 163 assert(result_slots >= 0 && result_slots <= 2, "what?"); |
| 164 result = istate->stack() + result_slots; | |
| 165 break; | |
| 166 } | |
| 167 else if (istate->msg() == BytecodeInterpreter::throwing_exception) { | |
| 168 assert(HAS_PENDING_EXCEPTION, "should do"); | |
| 169 break; | |
| 170 } | |
| 171 else if (istate->msg() == BytecodeInterpreter::do_osr) { | |
| 172 // Unwind the current frame | |
| 173 thread->pop_zero_frame(); | |
| 174 | |
| 175 // Remove any extension of the previous frame | |
| 176 int extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 177 stack->set_sp(stack->sp() + extra_locals); | |
| 178 | |
| 179 // Jump into the OSR method | |
| 180 Interpreter::invoke_osr( | |
| 181 method, istate->osr_entry(), istate->osr_buf(), THREAD); | |
| 182 return; | |
| 183 } | |
| 184 else { | |
| 185 ShouldNotReachHere(); | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 // Unwind the current frame | |
| 190 thread->pop_zero_frame(); | |
| 191 | |
| 192 // Pop our local variables | |
| 193 stack->set_sp(stack->sp() + method->max_locals()); | |
| 194 | |
| 195 // Push our result | |
| 196 for (int i = 0; i < result_slots; i++) | |
| 197 stack->push(result[-i]); | |
| 198 } | |
| 199 | |
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200 int CppInterpreter::native_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 201 // Make sure method is native and not abstract |
| 202 assert(method->is_native() && !method->is_abstract(), "should be"); | |
| 203 | |
| 204 JavaThread *thread = (JavaThread *) THREAD; | |
| 205 ZeroStack *stack = thread->zero_stack(); | |
| 206 | |
| 207 // Allocate and initialize our frame | |
| 1514 | 208 InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0); |
| 1010 | 209 thread->push_zero_frame(frame); |
| 210 interpreterState istate = frame->interpreter_state(); | |
| 211 intptr_t *locals = istate->locals(); | |
| 212 | |
| 1078 | 213 // Update the invocation counter |
| 214 if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) { | |
| 10233 | 215 MethodCounters* mcs = method->method_counters(); |
| 216 if (mcs == NULL) { | |
| 217 CALL_VM_NOCHECK(mcs = InterpreterRuntime::build_method_counters(thread, method)); | |
| 218 if (HAS_PENDING_EXCEPTION) | |
| 219 goto unwind_and_return; | |
| 220 } | |
| 221 InvocationCounter *counter = mcs->invocation_counter(); | |
| 1078 | 222 counter->increment(); |
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223 if (counter->reached_InvocationLimit(mcs->backedge_counter())) { |
| 1078 | 224 CALL_VM_NOCHECK( |
| 225 InterpreterRuntime::frequency_counter_overflow(thread, NULL)); | |
| 226 if (HAS_PENDING_EXCEPTION) | |
| 227 goto unwind_and_return; | |
| 228 } | |
| 229 } | |
| 230 | |
| 1010 | 231 // Lock if necessary |
| 232 BasicObjectLock *monitor; | |
| 233 monitor = NULL; | |
| 234 if (method->is_synchronized()) { | |
| 235 monitor = (BasicObjectLock*) istate->stack_base(); | |
| 236 oop lockee = monitor->obj(); | |
| 237 markOop disp = lockee->mark()->set_unlocked(); | |
| 238 | |
| 239 monitor->lock()->set_displaced_header(disp); | |
| 240 if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) { | |
| 241 if (thread->is_lock_owned((address) disp->clear_lock_bits())) { | |
| 242 monitor->lock()->set_displaced_header(NULL); | |
| 243 } | |
| 244 else { | |
| 245 CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor)); | |
| 246 if (HAS_PENDING_EXCEPTION) | |
| 247 goto unwind_and_return; | |
| 248 } | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 // Get the signature handler | |
| 253 InterpreterRuntime::SignatureHandler *handler; { | |
| 254 address handlerAddr = method->signature_handler(); | |
| 255 if (handlerAddr == NULL) { | |
| 256 CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method)); | |
| 257 if (HAS_PENDING_EXCEPTION) | |
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258 goto unlock_unwind_and_return; |
| 1010 | 259 |
| 260 handlerAddr = method->signature_handler(); | |
| 261 assert(handlerAddr != NULL, "eh?"); | |
| 262 } | |
| 263 if (handlerAddr == (address) InterpreterRuntime::slow_signature_handler) { | |
| 264 CALL_VM_NOCHECK(handlerAddr = | |
| 265 InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL)); | |
| 266 if (HAS_PENDING_EXCEPTION) | |
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267 goto unlock_unwind_and_return; |
| 1010 | 268 } |
| 269 handler = \ | |
| 270 InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr); | |
| 271 } | |
| 272 | |
| 273 // Get the native function entry point | |
| 274 address function; | |
| 275 function = method->native_function(); | |
| 276 assert(function != NULL, "should be set if signature handler is"); | |
| 277 | |
| 278 // Build the argument list | |
| 1379 | 279 stack->overflow_check(handler->argument_count() * 2, THREAD); |
| 280 if (HAS_PENDING_EXCEPTION) | |
| 281 goto unlock_unwind_and_return; | |
| 282 | |
| 1010 | 283 void **arguments; |
| 284 void *mirror; { | |
| 285 arguments = | |
| 286 (void **) stack->alloc(handler->argument_count() * sizeof(void **)); | |
| 287 void **dst = arguments; | |
| 288 | |
| 289 void *env = thread->jni_environment(); | |
| 290 *(dst++) = &env; | |
| 291 | |
| 292 if (method->is_static()) { | |
| 293 istate->set_oop_temp( | |
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294 method->constants()->pool_holder()->java_mirror()); |
| 1010 | 295 mirror = istate->oop_temp_addr(); |
| 296 *(dst++) = &mirror; | |
| 297 } | |
| 298 | |
| 299 intptr_t *src = locals; | |
| 300 for (int i = dst - arguments; i < handler->argument_count(); i++) { | |
| 301 ffi_type *type = handler->argument_type(i); | |
| 302 if (type == &ffi_type_pointer) { | |
| 303 if (*src) { | |
| 304 stack->push((intptr_t) src); | |
| 305 *(dst++) = stack->sp(); | |
| 306 } | |
| 307 else { | |
| 308 *(dst++) = src; | |
| 309 } | |
| 310 src--; | |
| 311 } | |
| 312 else if (type->size == 4) { | |
| 313 *(dst++) = src--; | |
| 314 } | |
| 315 else if (type->size == 8) { | |
| 316 src--; | |
| 317 *(dst++) = src--; | |
| 318 } | |
| 319 else { | |
| 320 ShouldNotReachHere(); | |
| 321 } | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 // Set up the Java frame anchor | |
| 326 thread->set_last_Java_frame(); | |
| 327 | |
| 328 // Change the thread state to _thread_in_native | |
| 329 ThreadStateTransition::transition_from_java(thread, _thread_in_native); | |
| 330 | |
| 331 // Make the call | |
| 332 intptr_t result[4 - LogBytesPerWord]; | |
| 333 ffi_call(handler->cif(), (void (*)()) function, result, arguments); | |
| 334 | |
| 335 // Change the thread state back to _thread_in_Java. | |
| 336 // ThreadStateTransition::transition_from_native() cannot be used | |
| 337 // here because it does not check for asynchronous exceptions. | |
| 338 // We have to manage the transition ourself. | |
| 339 thread->set_thread_state(_thread_in_native_trans); | |
| 340 | |
| 341 // Make sure new state is visible in the GC thread | |
| 342 if (os::is_MP()) { | |
| 343 if (UseMembar) { | |
| 344 OrderAccess::fence(); | |
| 345 } | |
| 346 else { | |
| 347 InterfaceSupport::serialize_memory(thread); | |
| 348 } | |
| 349 } | |
| 350 | |
| 351 // Handle safepoint operations, pending suspend requests, | |
| 352 // and pending asynchronous exceptions. | |
| 353 if (SafepointSynchronize::do_call_back() || | |
| 354 thread->has_special_condition_for_native_trans()) { | |
| 355 JavaThread::check_special_condition_for_native_trans(thread); | |
| 356 CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops()); | |
| 357 } | |
| 358 | |
| 359 // Finally we can change the thread state to _thread_in_Java. | |
| 360 thread->set_thread_state(_thread_in_Java); | |
| 361 fixup_after_potential_safepoint(); | |
| 362 | |
| 363 // Clear the frame anchor | |
| 364 thread->reset_last_Java_frame(); | |
| 365 | |
| 366 // If the result was an oop then unbox it and store it in | |
| 367 // oop_temp where the garbage collector can see it before | |
| 368 // we release the handle it might be protected by. | |
| 369 if (handler->result_type() == &ffi_type_pointer) { | |
| 370 if (result[0]) | |
| 371 istate->set_oop_temp(*(oop *) result[0]); | |
| 372 else | |
| 373 istate->set_oop_temp(NULL); | |
| 374 } | |
| 375 | |
| 376 // Reset handle block | |
| 377 thread->active_handles()->clear(); | |
| 378 | |
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379 unlock_unwind_and_return: |
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380 |
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381 // Unlock if necessary |
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382 if (monitor) { |
| 1010 | 383 BasicLock *lock = monitor->lock(); |
| 384 markOop header = lock->displaced_header(); | |
| 385 oop rcvr = monitor->obj(); | |
| 386 monitor->set_obj(NULL); | |
| 387 | |
| 388 if (header != NULL) { | |
| 389 if (Atomic::cmpxchg_ptr(header, rcvr->mark_addr(), lock) != lock) { | |
| 390 monitor->set_obj(rcvr); { | |
| 391 HandleMark hm(thread); | |
| 392 CALL_VM_NOCHECK(InterpreterRuntime::monitorexit(thread, monitor)); | |
| 393 } | |
| 394 } | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 unwind_and_return: | |
| 399 | |
| 400 // Unwind the current activation | |
| 401 thread->pop_zero_frame(); | |
| 402 | |
| 403 // Pop our parameters | |
| 404 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 405 | |
| 406 // Push our result | |
| 407 if (!HAS_PENDING_EXCEPTION) { | |
| 1256 | 408 BasicType type = result_type_of(method); |
| 409 stack->set_sp(stack->sp() - type2size[type]); | |
| 1010 | 410 |
| 1256 | 411 switch (type) { |
| 1010 | 412 case T_VOID: |
| 413 break; | |
| 414 | |
| 415 case T_BOOLEAN: | |
| 416 #ifndef VM_LITTLE_ENDIAN | |
| 417 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 418 #endif | |
| 419 SET_LOCALS_INT(*(jboolean *) result != 0, 0); | |
| 420 break; | |
| 421 | |
| 422 case T_CHAR: | |
| 423 #ifndef VM_LITTLE_ENDIAN | |
| 424 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 425 #endif | |
| 426 SET_LOCALS_INT(*(jchar *) result, 0); | |
| 427 break; | |
| 428 | |
| 429 case T_BYTE: | |
| 430 #ifndef VM_LITTLE_ENDIAN | |
| 431 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 432 #endif | |
| 433 SET_LOCALS_INT(*(jbyte *) result, 0); | |
| 434 break; | |
| 435 | |
| 436 case T_SHORT: | |
| 437 #ifndef VM_LITTLE_ENDIAN | |
| 438 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 439 #endif | |
| 440 SET_LOCALS_INT(*(jshort *) result, 0); | |
| 441 break; | |
| 442 | |
| 443 case T_INT: | |
| 444 #ifndef VM_LITTLE_ENDIAN | |
| 445 result[0] <<= (BitsPerWord - BitsPerInt); | |
| 446 #endif | |
| 447 SET_LOCALS_INT(*(jint *) result, 0); | |
| 448 break; | |
| 449 | |
| 450 case T_LONG: | |
| 451 SET_LOCALS_LONG(*(jlong *) result, 0); | |
| 452 break; | |
| 453 | |
| 454 case T_FLOAT: | |
| 455 SET_LOCALS_FLOAT(*(jfloat *) result, 0); | |
| 456 break; | |
| 457 | |
| 458 case T_DOUBLE: | |
| 459 SET_LOCALS_DOUBLE(*(jdouble *) result, 0); | |
| 460 break; | |
| 461 | |
| 462 case T_OBJECT: | |
| 463 case T_ARRAY: | |
| 464 SET_LOCALS_OBJECT(istate->oop_temp(), 0); | |
| 465 break; | |
| 466 | |
| 467 default: | |
| 468 ShouldNotReachHere(); | |
| 469 } | |
| 470 } | |
| 1514 | 471 |
| 472 // No deoptimized frames on the stack | |
| 473 return 0; | |
| 1010 | 474 } |
| 475 | |
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476 int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 477 JavaThread *thread = (JavaThread *) THREAD; |
| 478 ZeroStack *stack = thread->zero_stack(); | |
| 479 intptr_t *locals = stack->sp(); | |
| 480 | |
| 481 // Drop into the slow path if we need a safepoint check | |
| 482 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 483 return normal_entry(method, 0, THREAD); |
| 1010 | 484 } |
| 485 | |
| 486 // Load the object pointer and drop into the slow path | |
| 487 // if we have a NullPointerException | |
| 488 oop object = LOCALS_OBJECT(0); | |
| 489 if (object == NULL) { | |
| 1514 | 490 return normal_entry(method, 0, THREAD); |
| 1010 | 491 } |
| 492 | |
| 493 // Read the field index from the bytecode, which looks like this: | |
| 494 // 0: aload_0 | |
| 495 // 1: getfield | |
| 496 // 2: index | |
| 497 // 3: index | |
| 498 // 4: ireturn/areturn | |
| 499 // NB this is not raw bytecode: index is in machine order | |
| 500 u1 *code = method->code_base(); | |
| 501 assert(code[0] == Bytecodes::_aload_0 && | |
| 502 code[1] == Bytecodes::_getfield && | |
| 503 (code[4] == Bytecodes::_ireturn || | |
| 504 code[4] == Bytecodes::_areturn), "should do"); | |
| 505 u2 index = Bytes::get_native_u2(&code[2]); | |
| 506 | |
| 507 // Get the entry from the constant pool cache, and drop into | |
| 508 // the slow path if it has not been resolved | |
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509 ConstantPoolCache* cache = method->constants()->cache(); |
| 1010 | 510 ConstantPoolCacheEntry* entry = cache->entry_at(index); |
| 511 if (!entry->is_resolved(Bytecodes::_getfield)) { | |
| 1514 | 512 return normal_entry(method, 0, THREAD); |
| 1010 | 513 } |
| 514 | |
| 515 // Get the result and push it onto the stack | |
| 516 switch (entry->flag_state()) { | |
| 517 case ltos: | |
| 518 case dtos: | |
| 1514 | 519 stack->overflow_check(1, CHECK_0); |
| 1010 | 520 stack->alloc(wordSize); |
| 521 break; | |
| 522 } | |
| 523 if (entry->is_volatile()) { | |
| 524 switch (entry->flag_state()) { | |
| 525 case ctos: | |
| 6926 | 526 SET_LOCALS_INT(object->char_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 527 break; |
| 528 | |
| 529 case btos: | |
| 6926 | 530 SET_LOCALS_INT(object->byte_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 531 break; |
| 532 | |
| 533 case stos: | |
| 6926 | 534 SET_LOCALS_INT(object->short_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 535 break; |
| 536 | |
| 537 case itos: | |
| 6926 | 538 SET_LOCALS_INT(object->int_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 539 break; |
| 540 | |
| 541 case ltos: | |
| 6926 | 542 SET_LOCALS_LONG(object->long_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 543 break; |
| 544 | |
| 545 case ftos: | |
| 6926 | 546 SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 547 break; |
| 548 | |
| 549 case dtos: | |
| 6926 | 550 SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 551 break; |
| 552 | |
| 553 case atos: | |
| 6926 | 554 SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 555 break; |
| 556 | |
| 557 default: | |
| 558 ShouldNotReachHere(); | |
| 559 } | |
| 560 } | |
| 561 else { | |
| 562 switch (entry->flag_state()) { | |
| 563 case ctos: | |
| 6926 | 564 SET_LOCALS_INT(object->char_field(entry->f2_as_index()), 0); |
| 1010 | 565 break; |
| 566 | |
| 567 case btos: | |
| 6926 | 568 SET_LOCALS_INT(object->byte_field(entry->f2_as_index()), 0); |
| 1010 | 569 break; |
| 570 | |
| 571 case stos: | |
| 6926 | 572 SET_LOCALS_INT(object->short_field(entry->f2_as_index()), 0); |
| 1010 | 573 break; |
| 574 | |
| 575 case itos: | |
| 6926 | 576 SET_LOCALS_INT(object->int_field(entry->f2_as_index()), 0); |
| 1010 | 577 break; |
| 578 | |
| 579 case ltos: | |
| 6926 | 580 SET_LOCALS_LONG(object->long_field(entry->f2_as_index()), 0); |
| 1010 | 581 break; |
| 582 | |
| 583 case ftos: | |
| 6926 | 584 SET_LOCALS_FLOAT(object->float_field(entry->f2_as_index()), 0); |
| 1010 | 585 break; |
| 586 | |
| 587 case dtos: | |
| 6926 | 588 SET_LOCALS_DOUBLE(object->double_field(entry->f2_as_index()), 0); |
| 1010 | 589 break; |
| 590 | |
| 591 case atos: | |
| 6926 | 592 SET_LOCALS_OBJECT(object->obj_field(entry->f2_as_index()), 0); |
| 1010 | 593 break; |
| 594 | |
| 595 default: | |
| 596 ShouldNotReachHere(); | |
| 597 } | |
| 598 } | |
| 1514 | 599 |
| 600 // No deoptimized frames on the stack | |
| 601 return 0; | |
| 1010 | 602 } |
| 603 | |
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604 int CppInterpreter::empty_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 605 JavaThread *thread = (JavaThread *) THREAD; |
| 606 ZeroStack *stack = thread->zero_stack(); | |
| 607 | |
| 608 // Drop into the slow path if we need a safepoint check | |
| 609 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 610 return normal_entry(method, 0, THREAD); |
| 1010 | 611 } |
| 612 | |
| 613 // Pop our parameters | |
| 614 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 1514 | 615 |
| 616 // No deoptimized frames on the stack | |
| 617 return 0; | |
| 1010 | 618 } |
| 619 | |
| 2480 | 620 // The new slots will be inserted before slot insert_before. |
| 621 // Slots < insert_before will have the same slot number after the insert. | |
| 622 // Slots >= insert_before will become old_slot + num_slots. | |
| 623 void CppInterpreter::insert_vmslots(int insert_before, int num_slots, TRAPS) { | |
| 624 JavaThread *thread = (JavaThread *) THREAD; | |
| 625 ZeroStack *stack = thread->zero_stack(); | |
| 626 | |
| 627 // Allocate the space | |
| 628 stack->overflow_check(num_slots, CHECK); | |
| 629 stack->alloc(num_slots * wordSize); | |
| 630 intptr_t *vmslots = stack->sp(); | |
| 631 | |
| 632 // Shuffle everything up | |
| 633 for (int i = 0; i < insert_before; i++) | |
| 634 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i + num_slots), i); | |
| 635 } | |
| 636 | |
| 637 void CppInterpreter::remove_vmslots(int first_slot, int num_slots, TRAPS) { | |
| 638 JavaThread *thread = (JavaThread *) THREAD; | |
| 639 ZeroStack *stack = thread->zero_stack(); | |
| 640 intptr_t *vmslots = stack->sp(); | |
| 641 | |
| 642 // Move everything down | |
| 643 for (int i = first_slot - 1; i >= 0; i--) | |
| 644 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i + num_slots); | |
| 645 | |
| 646 // Deallocate the space | |
| 647 stack->set_sp(stack->sp() + num_slots); | |
| 648 } | |
| 649 | |
| 650 BasicType CppInterpreter::result_type_of_handle(oop method_handle) { | |
| 651 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
| 652 oop return_type = java_lang_invoke_MethodType::rtype(method_type); | |
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653 return java_lang_Class::as_BasicType(return_type, (Klass* *) NULL); |
| 2480 | 654 } |
| 655 | |
| 656 intptr_t* CppInterpreter::calculate_unwind_sp(ZeroStack* stack, | |
| 657 oop method_handle) { | |
| 658 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
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659 int argument_slots = java_lang_invoke_MethodType::ptype_slot_count(method_type); |
| 2480 | 660 |
| 661 return stack->sp() + argument_slots; | |
| 662 } | |
| 663 | |
| 664 IRT_ENTRY(void, CppInterpreter::throw_exception(JavaThread* thread, | |
| 665 Symbol* name, | |
| 666 char* message)) | |
| 667 THROW_MSG(name, message); | |
| 668 IRT_END | |
| 669 | |
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670 InterpreterFrame *InterpreterFrame::build(Method* const method, TRAPS) { |
| 1379 | 671 JavaThread *thread = (JavaThread *) THREAD; |
| 672 ZeroStack *stack = thread->zero_stack(); | |
| 673 | |
| 674 // Calculate the size of the frame we'll build, including | |
| 675 // any adjustments to the caller's frame that we'll make. | |
| 676 int extra_locals = 0; | |
| 677 int monitor_words = 0; | |
| 678 int stack_words = 0; | |
| 1010 | 679 |
| 1379 | 680 if (!method->is_native()) { |
| 681 extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 682 stack_words = method->max_stack(); | |
| 1010 | 683 } |
| 1379 | 684 if (method->is_synchronized()) { |
| 685 monitor_words = frame::interpreter_frame_monitor_size(); | |
| 686 } | |
| 687 stack->overflow_check( | |
| 688 extra_locals + header_words + monitor_words + stack_words, CHECK_NULL); | |
| 1010 | 689 |
| 1379 | 690 // Adjust the caller's stack frame to accomodate any additional |
| 691 // local variables we have contiguously with our parameters. | |
| 692 for (int i = 0; i < extra_locals; i++) | |
| 693 stack->push(0); | |
| 1010 | 694 |
| 695 intptr_t *locals; | |
| 696 if (method->is_native()) | |
| 697 locals = stack->sp() + (method->size_of_parameters() - 1); | |
| 698 else | |
| 699 locals = stack->sp() + (method->max_locals() - 1); | |
| 700 | |
| 701 stack->push(0); // next_frame, filled in later | |
| 702 intptr_t *fp = stack->sp(); | |
| 703 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 704 | |
| 705 stack->push(INTERPRETER_FRAME); | |
| 706 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 707 | |
| 708 interpreterState istate = | |
| 709 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 710 assert(fp - stack->sp() == istate_off, "should be"); | |
| 711 | |
| 712 istate->set_locals(locals); | |
| 713 istate->set_method(method); | |
| 714 istate->set_self_link(istate); | |
| 715 istate->set_prev_link(NULL); | |
| 716 istate->set_thread(thread); | |
| 717 istate->set_bcp(method->is_native() ? NULL : method->code_base()); | |
| 718 istate->set_constants(method->constants()->cache()); | |
| 719 istate->set_msg(BytecodeInterpreter::method_entry); | |
| 720 istate->set_oop_temp(NULL); | |
| 721 istate->set_mdx(NULL); | |
| 722 istate->set_callee(NULL); | |
| 723 | |
| 724 istate->set_monitor_base((BasicObjectLock *) stack->sp()); | |
| 725 if (method->is_synchronized()) { | |
| 726 BasicObjectLock *monitor = | |
| 727 (BasicObjectLock *) stack->alloc(monitor_words * wordSize); | |
| 728 oop object; | |
| 729 if (method->is_static()) | |
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730 object = method->constants()->pool_holder()->java_mirror(); |
| 1010 | 731 else |
| 732 object = (oop) locals[0]; | |
| 733 monitor->set_obj(object); | |
| 734 } | |
| 735 | |
| 736 istate->set_stack_base(stack->sp()); | |
| 737 istate->set_stack(stack->sp() - 1); | |
| 738 if (stack_words) | |
| 739 stack->alloc(stack_words * wordSize); | |
| 740 istate->set_stack_limit(stack->sp() - 1); | |
| 741 | |
| 742 return (InterpreterFrame *) fp; | |
| 743 } | |
| 744 | |
| 745 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 746 int i = 0; | |
| 747 switch (type) { | |
| 748 case T_BOOLEAN: i = 0; break; | |
| 749 case T_CHAR : i = 1; break; | |
| 750 case T_BYTE : i = 2; break; | |
| 751 case T_SHORT : i = 3; break; | |
| 752 case T_INT : i = 4; break; | |
| 753 case T_LONG : i = 5; break; | |
| 754 case T_VOID : i = 6; break; | |
| 755 case T_FLOAT : i = 7; break; | |
| 756 case T_DOUBLE : i = 8; break; | |
| 757 case T_OBJECT : i = 9; break; | |
| 758 case T_ARRAY : i = 9; break; | |
| 759 default : ShouldNotReachHere(); | |
| 760 } | |
| 761 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 762 "index out of bounds"); | |
| 763 return i; | |
| 764 } | |
| 765 | |
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766 BasicType CppInterpreter::result_type_of(Method* method) { |
| 1256 | 767 BasicType t; |
| 768 switch (method->result_index()) { | |
| 769 case 0 : t = T_BOOLEAN; break; | |
| 770 case 1 : t = T_CHAR; break; | |
| 771 case 2 : t = T_BYTE; break; | |
| 772 case 3 : t = T_SHORT; break; | |
| 773 case 4 : t = T_INT; break; | |
| 774 case 5 : t = T_LONG; break; | |
| 775 case 6 : t = T_VOID; break; | |
| 776 case 7 : t = T_FLOAT; break; | |
| 777 case 8 : t = T_DOUBLE; break; | |
| 778 case 9 : t = T_OBJECT; break; | |
| 779 default: ShouldNotReachHere(); | |
| 780 } | |
| 781 assert(AbstractInterpreter::BasicType_as_index(t) == method->result_index(), | |
| 782 "out of step with AbstractInterpreter::BasicType_as_index"); | |
| 783 return t; | |
| 784 } | |
| 785 | |
| 1010 | 786 address InterpreterGenerator::generate_empty_entry() { |
| 787 if (!UseFastEmptyMethods) | |
| 788 return NULL; | |
| 789 | |
| 790 return generate_entry((address) CppInterpreter::empty_entry); | |
| 791 } | |
| 792 | |
| 793 address InterpreterGenerator::generate_accessor_entry() { | |
| 794 if (!UseFastAccessorMethods) | |
| 795 return NULL; | |
| 796 | |
| 797 return generate_entry((address) CppInterpreter::accessor_entry); | |
| 798 } | |
| 799 | |
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800 address InterpreterGenerator::generate_Reference_get_entry(void) { |
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801 #if INCLUDE_ALL_GCS |
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802 if (UseG1GC) { |
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803 // We need to generate have a routine that generates code to: |
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804 // * load the value in the referent field |
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805 // * passes that value to the pre-barrier. |
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806 // |
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807 // In the case of G1 this will record the value of the |
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808 // referent in an SATB buffer if marking is active. |
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809 // This will cause concurrent marking to mark the referent |
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810 // field as live. |
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811 Unimplemented(); |
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812 } |
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813 #endif // INCLUDE_ALL_GCS |
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814 |
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815 // If G1 is not enabled then attempt to go through the accessor entry point |
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816 // Reference.get is an accessor |
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817 return generate_accessor_entry(); |
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818 } |
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819 |
| 1010 | 820 address InterpreterGenerator::generate_native_entry(bool synchronized) { |
| 821 assert(synchronized == false, "should be"); | |
| 822 | |
| 823 return generate_entry((address) CppInterpreter::native_entry); | |
| 824 } | |
| 825 | |
| 826 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 827 assert(synchronized == false, "should be"); | |
| 828 | |
| 829 return generate_entry((address) CppInterpreter::normal_entry); | |
| 830 } | |
| 831 | |
| 832 address AbstractInterpreterGenerator::generate_method_entry( | |
| 833 AbstractInterpreter::MethodKind kind) { | |
| 834 address entry_point = NULL; | |
| 835 | |
| 836 switch (kind) { | |
| 837 case Interpreter::zerolocals: | |
| 838 case Interpreter::zerolocals_synchronized: | |
| 839 break; | |
| 840 | |
| 841 case Interpreter::native: | |
| 842 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 843 break; | |
| 844 | |
| 845 case Interpreter::native_synchronized: | |
| 846 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 847 break; | |
| 848 | |
| 849 case Interpreter::empty: | |
| 850 entry_point = ((InterpreterGenerator*) this)->generate_empty_entry(); | |
| 851 break; | |
| 852 | |
| 853 case Interpreter::accessor: | |
| 854 entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry(); | |
| 855 break; | |
| 856 | |
| 857 case Interpreter::abstract: | |
| 858 entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry(); | |
| 859 break; | |
| 860 | |
| 861 case Interpreter::java_lang_math_sin: | |
| 862 case Interpreter::java_lang_math_cos: | |
| 863 case Interpreter::java_lang_math_tan: | |
| 864 case Interpreter::java_lang_math_abs: | |
| 865 case Interpreter::java_lang_math_log: | |
| 866 case Interpreter::java_lang_math_log10: | |
| 867 case Interpreter::java_lang_math_sqrt: | |
| 6926 | 868 case Interpreter::java_lang_math_pow: |
| 869 case Interpreter::java_lang_math_exp: | |
| 1010 | 870 entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind); |
| 871 break; | |
| 872 | |
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873 case Interpreter::java_lang_ref_reference_get: |
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874 entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); |
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875 break; |
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876 |
| 1010 | 877 default: |
| 878 ShouldNotReachHere(); | |
| 879 } | |
| 880 | |
| 881 if (entry_point == NULL) | |
| 882 entry_point = ((InterpreterGenerator*) this)->generate_normal_entry(false); | |
| 883 | |
| 884 return entry_point; | |
| 885 } | |
| 886 | |
| 887 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 888 : CppInterpreterGenerator(code) { | |
| 889 generate_all(); | |
| 890 } | |
| 891 | |
| 892 // Deoptimization helpers | |
| 893 | |
| 1379 | 894 InterpreterFrame *InterpreterFrame::build(int size, TRAPS) { |
| 895 ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); | |
| 896 | |
| 1010 | 897 int size_in_words = size >> LogBytesPerWord; |
| 898 assert(size_in_words * wordSize == size, "unaligned"); | |
| 899 assert(size_in_words >= header_words, "too small"); | |
| 1379 | 900 stack->overflow_check(size_in_words, CHECK_NULL); |
| 1010 | 901 |
| 902 stack->push(0); // next_frame, filled in later | |
| 903 intptr_t *fp = stack->sp(); | |
| 904 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 905 | |
| 906 stack->push(INTERPRETER_FRAME); | |
| 907 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 908 | |
| 909 interpreterState istate = | |
| 910 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 911 assert(fp - stack->sp() == istate_off, "should be"); | |
| 912 istate->set_self_link(NULL); // mark invalid | |
| 913 | |
| 914 stack->alloc((size_in_words - header_words) * wordSize); | |
| 915 | |
| 916 return (InterpreterFrame *) fp; | |
| 917 } | |
| 918 | |
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919 int AbstractInterpreter::layout_activation(Method* method, |
| 1010 | 920 int tempcount, |
| 921 int popframe_extra_args, | |
| 922 int moncount, | |
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923 int caller_actual_parameters, |
| 1010 | 924 int callee_param_count, |
| 925 int callee_locals, | |
| 926 frame* caller, | |
| 927 frame* interpreter_frame, | |
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928 bool is_top_frame, |
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929 bool is_bottom_frame) { |
| 1010 | 930 assert(popframe_extra_args == 0, "what to do?"); |
| 931 assert(!is_top_frame || (!callee_locals && !callee_param_count), | |
| 1605 | 932 "top frame should have no caller"); |
| 1010 | 933 |
| 934 // This code must exactly match what InterpreterFrame::build | |
| 935 // does (the full InterpreterFrame::build, that is, not the | |
| 936 // one that creates empty frames for the deoptimizer). | |
| 937 // | |
| 938 // If interpreter_frame is not NULL then it will be filled in. | |
| 939 // It's size is determined by a previous call to this method, | |
| 940 // so it should be correct. | |
| 941 // | |
| 942 // Note that tempcount is the current size of the expression | |
| 943 // stack. For top most frames we will allocate a full sized | |
| 944 // expression stack and not the trimmed version that non-top | |
| 945 // frames have. | |
| 946 | |
| 947 int header_words = InterpreterFrame::header_words; | |
| 948 int monitor_words = moncount * frame::interpreter_frame_monitor_size(); | |
| 949 int stack_words = is_top_frame ? method->max_stack() : tempcount; | |
| 950 int callee_extra_locals = callee_locals - callee_param_count; | |
| 951 | |
| 952 if (interpreter_frame) { | |
| 1505 | 953 intptr_t *locals = interpreter_frame->fp() + method->max_locals(); |
| 1010 | 954 interpreterState istate = interpreter_frame->get_interpreterState(); |
| 955 intptr_t *monitor_base = (intptr_t*) istate; | |
| 956 intptr_t *stack_base = monitor_base - monitor_words; | |
| 957 intptr_t *stack = stack_base - tempcount - 1; | |
| 958 | |
| 959 BytecodeInterpreter::layout_interpreterState(istate, | |
| 960 caller, | |
| 961 NULL, | |
| 962 method, | |
| 963 locals, | |
| 964 stack, | |
| 965 stack_base, | |
| 966 monitor_base, | |
| 967 NULL, | |
| 968 is_top_frame); | |
| 969 } | |
| 970 return header_words + monitor_words + stack_words + callee_extra_locals; | |
| 971 } | |
| 972 | |
| 973 void BytecodeInterpreter::layout_interpreterState(interpreterState istate, | |
| 974 frame* caller, | |
| 975 frame* current, | |
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976 Method* method, |
| 1010 | 977 intptr_t* locals, |
| 978 intptr_t* stack, | |
| 979 intptr_t* stack_base, | |
| 980 intptr_t* monitor_base, | |
| 981 intptr_t* frame_bottom, | |
| 982 bool is_top_frame) { | |
| 983 istate->set_locals(locals); | |
| 984 istate->set_method(method); | |
| 985 istate->set_self_link(istate); | |
| 986 istate->set_prev_link(NULL); | |
| 987 // thread will be set by a hacky repurposing of frame::patch_pc() | |
| 988 // bcp will be set by vframeArrayElement::unpack_on_stack() | |
| 989 istate->set_constants(method->constants()->cache()); | |
| 990 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 991 istate->set_bcp_advance(0); | |
| 992 istate->set_oop_temp(NULL); | |
| 993 istate->set_mdx(NULL); | |
| 994 if (caller->is_interpreted_frame()) { | |
| 995 interpreterState prev = caller->get_interpreterState(); | |
| 996 prev->set_callee(method); | |
| 997 if (*prev->bcp() == Bytecodes::_invokeinterface) | |
| 998 prev->set_bcp_advance(5); | |
| 999 else | |
| 1000 prev->set_bcp_advance(3); | |
| 1001 } | |
| 1002 istate->set_callee(NULL); | |
| 1003 istate->set_monitor_base((BasicObjectLock *) monitor_base); | |
| 1004 istate->set_stack_base(stack_base); | |
| 1005 istate->set_stack(stack); | |
| 1006 istate->set_stack_limit(stack_base - method->max_stack() - 1); | |
| 1007 } | |
| 1008 | |
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1009 address CppInterpreter::return_entry(TosState state, int length, Bytecodes::Code code) { |
| 1010 | 1010 ShouldNotCallThis(); |
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1011 return NULL; |
| 1010 | 1012 } |
| 1013 | |
| 1014 address CppInterpreter::deopt_entry(TosState state, int length) { | |
| 1015 return NULL; | |
| 1016 } | |
| 1017 | |
| 1018 // Helper for (runtime) stack overflow checks | |
| 1019 | |
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1020 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 1010 | 1021 return 0; |
| 1022 } | |
| 1023 | |
| 1024 // Helper for figuring out if frames are interpreter frames | |
| 1025 | |
| 1026 bool CppInterpreter::contains(address pc) { | |
| 1027 return false; // make frame::print_value_on work | |
| 1028 } | |
| 1029 | |
| 1030 // Result handlers and convertors | |
| 1031 | |
| 1032 address CppInterpreterGenerator::generate_result_handler_for( | |
| 1033 BasicType type) { | |
| 1034 assembler()->advance(1); | |
| 1035 return ShouldNotCallThisStub(); | |
| 1036 } | |
| 1037 | |
| 1038 address CppInterpreterGenerator::generate_tosca_to_stack_converter( | |
| 1039 BasicType type) { | |
| 1040 assembler()->advance(1); | |
| 1041 return ShouldNotCallThisStub(); | |
| 1042 } | |
| 1043 | |
| 1044 address CppInterpreterGenerator::generate_stack_to_stack_converter( | |
| 1045 BasicType type) { | |
| 1046 assembler()->advance(1); | |
| 1047 return ShouldNotCallThisStub(); | |
| 1048 } | |
| 1049 | |
| 1050 address CppInterpreterGenerator::generate_stack_to_native_abi_converter( | |
| 1051 BasicType type) { | |
| 1052 assembler()->advance(1); | |
| 1053 return ShouldNotCallThisStub(); | |
| 1054 } | |
| 1055 | |
| 1056 #endif // CC_INTERP |