Mercurial > hg > graal-jvmci-8
annotate src/cpu/zero/vm/cppInterpreter_zero.cpp @ 23648:cc78c97abff8 jdk8u75-b12
8146518: Zero interpreter broken with better byte behaviour
Reviewed-by: coleenp
| author | kevinw |
|---|---|
| date | Wed, 02 Mar 2016 19:16:30 +0000 |
| parents | 32b682649973 |
| children | b5f3a471e646 8f58998958ca |
| rev | line source |
|---|---|
| 1010 | 1 /* |
| 23614 | 2 * Copyright (c) 2003, 2016, 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 | |
| 23614 | 84 intptr_t narrow(BasicType type, intptr_t result) { |
| 85 // mask integer result to narrower return type. | |
| 86 switch (type) { | |
| 87 case T_BOOLEAN: | |
| 88 return result&1; | |
| 89 case T_BYTE: | |
| 90 return (intptr_t)(jbyte)result; | |
| 91 case T_CHAR: | |
| 92 return (intptr_t)(uintptr_t)(jchar)result; | |
| 93 case T_SHORT: | |
| 94 return (intptr_t)(jshort)result; | |
| 95 case T_OBJECT: // nothing to do fall through | |
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96 case T_ARRAY: |
| 23614 | 97 case T_LONG: |
| 98 case T_INT: | |
| 99 case T_FLOAT: | |
| 100 case T_DOUBLE: | |
| 101 case T_VOID: | |
| 102 return result; | |
| 103 default : ShouldNotReachHere(); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
| 1010 | 108 void CppInterpreter::main_loop(int recurse, TRAPS) { |
| 109 JavaThread *thread = (JavaThread *) THREAD; | |
| 110 ZeroStack *stack = thread->zero_stack(); | |
| 111 | |
| 112 // If we are entering from a deopt we may need to call | |
| 113 // ourself a few times in order to get to our frame. | |
| 114 if (recurse) | |
| 115 main_loop(recurse - 1, THREAD); | |
| 116 | |
| 117 InterpreterFrame *frame = thread->top_zero_frame()->as_interpreter_frame(); | |
| 118 interpreterState istate = frame->interpreter_state(); | |
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119 Method* method = istate->method(); |
| 1010 | 120 |
| 121 intptr_t *result = NULL; | |
| 122 int result_slots = 0; | |
| 123 | |
| 124 while (true) { | |
| 125 // We can set up the frame anchor with everything we want at | |
| 126 // this point as we are thread_in_Java and no safepoints can | |
| 127 // occur until we go to vm mode. We do have to clear flags | |
| 128 // on return from vm but that is it. | |
| 129 thread->set_last_Java_frame(); | |
| 130 | |
| 131 // Call the interpreter | |
| 132 if (JvmtiExport::can_post_interpreter_events()) | |
| 133 BytecodeInterpreter::runWithChecks(istate); | |
| 134 else | |
| 135 BytecodeInterpreter::run(istate); | |
| 136 fixup_after_potential_safepoint(); | |
| 137 | |
| 138 // Clear the frame anchor | |
| 139 thread->reset_last_Java_frame(); | |
| 140 | |
| 141 // Examine the message from the interpreter to decide what to do | |
| 142 if (istate->msg() == BytecodeInterpreter::call_method) { | |
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143 Method* callee = istate->callee(); |
| 1010 | 144 |
| 145 // Trim back the stack to put the parameters at the top | |
| 146 stack->set_sp(istate->stack() + 1); | |
| 147 | |
| 148 // Make the call | |
| 149 Interpreter::invoke_method(callee, istate->callee_entry_point(), THREAD); | |
| 150 fixup_after_potential_safepoint(); | |
| 151 | |
| 152 // Convert the result | |
| 153 istate->set_stack(stack->sp() - 1); | |
| 154 | |
| 155 // Restore the stack | |
| 156 stack->set_sp(istate->stack_limit() + 1); | |
| 157 | |
| 158 // Resume the interpreter | |
| 159 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 160 } | |
| 161 else if (istate->msg() == BytecodeInterpreter::more_monitors) { | |
| 162 int monitor_words = frame::interpreter_frame_monitor_size(); | |
| 163 | |
| 164 // Allocate the space | |
| 1379 | 165 stack->overflow_check(monitor_words, THREAD); |
| 166 if (HAS_PENDING_EXCEPTION) | |
| 167 break; | |
| 1010 | 168 stack->alloc(monitor_words * wordSize); |
| 169 | |
| 170 // Move the expression stack contents | |
| 171 for (intptr_t *p = istate->stack() + 1; p < istate->stack_base(); p++) | |
| 172 *(p - monitor_words) = *p; | |
| 173 | |
| 174 // Move the expression stack pointers | |
| 175 istate->set_stack_limit(istate->stack_limit() - monitor_words); | |
| 176 istate->set_stack(istate->stack() - monitor_words); | |
| 177 istate->set_stack_base(istate->stack_base() - monitor_words); | |
| 178 | |
| 179 // Zero the new monitor so the interpreter can find it. | |
| 180 ((BasicObjectLock *) istate->stack_base())->set_obj(NULL); | |
| 181 | |
| 182 // Resume the interpreter | |
| 183 istate->set_msg(BytecodeInterpreter::got_monitors); | |
| 184 } | |
| 185 else if (istate->msg() == BytecodeInterpreter::return_from_method) { | |
| 186 // Copy the result into the caller's frame | |
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187 result_slots = type2size[method->result_type()]; |
| 1010 | 188 assert(result_slots >= 0 && result_slots <= 2, "what?"); |
| 189 result = istate->stack() + result_slots; | |
| 190 break; | |
| 191 } | |
| 192 else if (istate->msg() == BytecodeInterpreter::throwing_exception) { | |
| 193 assert(HAS_PENDING_EXCEPTION, "should do"); | |
| 194 break; | |
| 195 } | |
| 196 else if (istate->msg() == BytecodeInterpreter::do_osr) { | |
| 197 // Unwind the current frame | |
| 198 thread->pop_zero_frame(); | |
| 199 | |
| 200 // Remove any extension of the previous frame | |
| 201 int extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 202 stack->set_sp(stack->sp() + extra_locals); | |
| 203 | |
| 204 // Jump into the OSR method | |
| 205 Interpreter::invoke_osr( | |
| 206 method, istate->osr_entry(), istate->osr_buf(), THREAD); | |
| 207 return; | |
| 208 } | |
| 209 else { | |
| 210 ShouldNotReachHere(); | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 // Unwind the current frame | |
| 215 thread->pop_zero_frame(); | |
| 216 | |
| 217 // Pop our local variables | |
| 218 stack->set_sp(stack->sp() + method->max_locals()); | |
| 219 | |
| 220 // Push our result | |
| 23614 | 221 for (int i = 0; i < result_slots; i++) { |
| 222 // Adjust result to smaller | |
| 223 intptr_t res = result[-i]; | |
| 224 if (result_slots == 1) { | |
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225 res = narrow(method->result_type(), res); |
| 23614 | 226 } |
| 227 stack->push(res); | |
| 228 } | |
| 1010 | 229 } |
| 230 | |
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231 int CppInterpreter::native_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 232 // Make sure method is native and not abstract |
| 233 assert(method->is_native() && !method->is_abstract(), "should be"); | |
| 234 | |
| 235 JavaThread *thread = (JavaThread *) THREAD; | |
| 236 ZeroStack *stack = thread->zero_stack(); | |
| 237 | |
| 238 // Allocate and initialize our frame | |
| 1514 | 239 InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0); |
| 1010 | 240 thread->push_zero_frame(frame); |
| 241 interpreterState istate = frame->interpreter_state(); | |
| 242 intptr_t *locals = istate->locals(); | |
| 243 | |
| 1078 | 244 // Update the invocation counter |
| 245 if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) { | |
| 10233 | 246 MethodCounters* mcs = method->method_counters(); |
| 247 if (mcs == NULL) { | |
| 248 CALL_VM_NOCHECK(mcs = InterpreterRuntime::build_method_counters(thread, method)); | |
| 249 if (HAS_PENDING_EXCEPTION) | |
| 250 goto unwind_and_return; | |
| 251 } | |
| 252 InvocationCounter *counter = mcs->invocation_counter(); | |
| 1078 | 253 counter->increment(); |
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254 if (counter->reached_InvocationLimit(mcs->backedge_counter())) { |
| 1078 | 255 CALL_VM_NOCHECK( |
| 256 InterpreterRuntime::frequency_counter_overflow(thread, NULL)); | |
| 257 if (HAS_PENDING_EXCEPTION) | |
| 258 goto unwind_and_return; | |
| 259 } | |
| 260 } | |
| 261 | |
| 1010 | 262 // Lock if necessary |
| 263 BasicObjectLock *monitor; | |
| 264 monitor = NULL; | |
| 265 if (method->is_synchronized()) { | |
| 266 monitor = (BasicObjectLock*) istate->stack_base(); | |
| 267 oop lockee = monitor->obj(); | |
| 268 markOop disp = lockee->mark()->set_unlocked(); | |
| 269 | |
| 270 monitor->lock()->set_displaced_header(disp); | |
| 271 if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) { | |
| 272 if (thread->is_lock_owned((address) disp->clear_lock_bits())) { | |
| 273 monitor->lock()->set_displaced_header(NULL); | |
| 274 } | |
| 275 else { | |
| 276 CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor)); | |
| 277 if (HAS_PENDING_EXCEPTION) | |
| 278 goto unwind_and_return; | |
| 279 } | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 // Get the signature handler | |
| 284 InterpreterRuntime::SignatureHandler *handler; { | |
| 285 address handlerAddr = method->signature_handler(); | |
| 286 if (handlerAddr == NULL) { | |
| 287 CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method)); | |
| 288 if (HAS_PENDING_EXCEPTION) | |
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289 goto unlock_unwind_and_return; |
| 1010 | 290 |
| 291 handlerAddr = method->signature_handler(); | |
| 292 assert(handlerAddr != NULL, "eh?"); | |
| 293 } | |
| 294 if (handlerAddr == (address) InterpreterRuntime::slow_signature_handler) { | |
| 295 CALL_VM_NOCHECK(handlerAddr = | |
| 296 InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL)); | |
| 297 if (HAS_PENDING_EXCEPTION) | |
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298 goto unlock_unwind_and_return; |
| 1010 | 299 } |
| 300 handler = \ | |
| 301 InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr); | |
| 302 } | |
| 303 | |
| 304 // Get the native function entry point | |
| 305 address function; | |
| 306 function = method->native_function(); | |
| 307 assert(function != NULL, "should be set if signature handler is"); | |
| 308 | |
| 309 // Build the argument list | |
| 1379 | 310 stack->overflow_check(handler->argument_count() * 2, THREAD); |
| 311 if (HAS_PENDING_EXCEPTION) | |
| 312 goto unlock_unwind_and_return; | |
| 313 | |
| 1010 | 314 void **arguments; |
| 315 void *mirror; { | |
| 316 arguments = | |
| 317 (void **) stack->alloc(handler->argument_count() * sizeof(void **)); | |
| 318 void **dst = arguments; | |
| 319 | |
| 320 void *env = thread->jni_environment(); | |
| 321 *(dst++) = &env; | |
| 322 | |
| 323 if (method->is_static()) { | |
| 324 istate->set_oop_temp( | |
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325 method->constants()->pool_holder()->java_mirror()); |
| 1010 | 326 mirror = istate->oop_temp_addr(); |
| 327 *(dst++) = &mirror; | |
| 328 } | |
| 329 | |
| 330 intptr_t *src = locals; | |
| 331 for (int i = dst - arguments; i < handler->argument_count(); i++) { | |
| 332 ffi_type *type = handler->argument_type(i); | |
| 333 if (type == &ffi_type_pointer) { | |
| 334 if (*src) { | |
| 335 stack->push((intptr_t) src); | |
| 336 *(dst++) = stack->sp(); | |
| 337 } | |
| 338 else { | |
| 339 *(dst++) = src; | |
| 340 } | |
| 341 src--; | |
| 342 } | |
| 343 else if (type->size == 4) { | |
| 344 *(dst++) = src--; | |
| 345 } | |
| 346 else if (type->size == 8) { | |
| 347 src--; | |
| 348 *(dst++) = src--; | |
| 349 } | |
| 350 else { | |
| 351 ShouldNotReachHere(); | |
| 352 } | |
| 353 } | |
| 354 } | |
| 355 | |
| 356 // Set up the Java frame anchor | |
| 357 thread->set_last_Java_frame(); | |
| 358 | |
| 359 // Change the thread state to _thread_in_native | |
| 360 ThreadStateTransition::transition_from_java(thread, _thread_in_native); | |
| 361 | |
| 362 // Make the call | |
| 363 intptr_t result[4 - LogBytesPerWord]; | |
| 364 ffi_call(handler->cif(), (void (*)()) function, result, arguments); | |
| 365 | |
| 366 // Change the thread state back to _thread_in_Java. | |
| 367 // ThreadStateTransition::transition_from_native() cannot be used | |
| 368 // here because it does not check for asynchronous exceptions. | |
| 369 // We have to manage the transition ourself. | |
| 370 thread->set_thread_state(_thread_in_native_trans); | |
| 371 | |
| 372 // Make sure new state is visible in the GC thread | |
| 373 if (os::is_MP()) { | |
| 374 if (UseMembar) { | |
| 375 OrderAccess::fence(); | |
| 376 } | |
| 377 else { | |
| 378 InterfaceSupport::serialize_memory(thread); | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 // Handle safepoint operations, pending suspend requests, | |
| 383 // and pending asynchronous exceptions. | |
| 384 if (SafepointSynchronize::do_call_back() || | |
| 385 thread->has_special_condition_for_native_trans()) { | |
| 386 JavaThread::check_special_condition_for_native_trans(thread); | |
| 387 CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops()); | |
| 388 } | |
| 389 | |
| 390 // Finally we can change the thread state to _thread_in_Java. | |
| 391 thread->set_thread_state(_thread_in_Java); | |
| 392 fixup_after_potential_safepoint(); | |
| 393 | |
| 394 // Clear the frame anchor | |
| 395 thread->reset_last_Java_frame(); | |
| 396 | |
| 397 // If the result was an oop then unbox it and store it in | |
| 398 // oop_temp where the garbage collector can see it before | |
| 399 // we release the handle it might be protected by. | |
| 400 if (handler->result_type() == &ffi_type_pointer) { | |
| 401 if (result[0]) | |
| 402 istate->set_oop_temp(*(oop *) result[0]); | |
| 403 else | |
| 404 istate->set_oop_temp(NULL); | |
| 405 } | |
| 406 | |
| 407 // Reset handle block | |
| 408 thread->active_handles()->clear(); | |
| 409 | |
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410 unlock_unwind_and_return: |
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411 |
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412 // Unlock if necessary |
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413 if (monitor) { |
| 1010 | 414 BasicLock *lock = monitor->lock(); |
| 415 markOop header = lock->displaced_header(); | |
| 416 oop rcvr = monitor->obj(); | |
| 417 monitor->set_obj(NULL); | |
| 418 | |
| 419 if (header != NULL) { | |
| 420 if (Atomic::cmpxchg_ptr(header, rcvr->mark_addr(), lock) != lock) { | |
| 421 monitor->set_obj(rcvr); { | |
| 422 HandleMark hm(thread); | |
| 423 CALL_VM_NOCHECK(InterpreterRuntime::monitorexit(thread, monitor)); | |
| 424 } | |
| 425 } | |
| 426 } | |
| 427 } | |
| 428 | |
| 429 unwind_and_return: | |
| 430 | |
| 431 // Unwind the current activation | |
| 432 thread->pop_zero_frame(); | |
| 433 | |
| 434 // Pop our parameters | |
| 435 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 436 | |
| 437 // Push our result | |
| 438 if (!HAS_PENDING_EXCEPTION) { | |
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439 BasicType type = method->result_type(); |
| 1256 | 440 stack->set_sp(stack->sp() - type2size[type]); |
| 1010 | 441 |
| 1256 | 442 switch (type) { |
| 1010 | 443 case T_VOID: |
| 444 break; | |
| 445 | |
| 446 case T_BOOLEAN: | |
| 447 #ifndef VM_LITTLE_ENDIAN | |
| 448 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 449 #endif | |
| 450 SET_LOCALS_INT(*(jboolean *) result != 0, 0); | |
| 451 break; | |
| 452 | |
| 453 case T_CHAR: | |
| 454 #ifndef VM_LITTLE_ENDIAN | |
| 455 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 456 #endif | |
| 457 SET_LOCALS_INT(*(jchar *) result, 0); | |
| 458 break; | |
| 459 | |
| 460 case T_BYTE: | |
| 461 #ifndef VM_LITTLE_ENDIAN | |
| 462 result[0] <<= (BitsPerWord - BitsPerByte); | |
| 463 #endif | |
| 464 SET_LOCALS_INT(*(jbyte *) result, 0); | |
| 465 break; | |
| 466 | |
| 467 case T_SHORT: | |
| 468 #ifndef VM_LITTLE_ENDIAN | |
| 469 result[0] <<= (BitsPerWord - BitsPerShort); | |
| 470 #endif | |
| 471 SET_LOCALS_INT(*(jshort *) result, 0); | |
| 472 break; | |
| 473 | |
| 474 case T_INT: | |
| 475 #ifndef VM_LITTLE_ENDIAN | |
| 476 result[0] <<= (BitsPerWord - BitsPerInt); | |
| 477 #endif | |
| 478 SET_LOCALS_INT(*(jint *) result, 0); | |
| 479 break; | |
| 480 | |
| 481 case T_LONG: | |
| 482 SET_LOCALS_LONG(*(jlong *) result, 0); | |
| 483 break; | |
| 484 | |
| 485 case T_FLOAT: | |
| 486 SET_LOCALS_FLOAT(*(jfloat *) result, 0); | |
| 487 break; | |
| 488 | |
| 489 case T_DOUBLE: | |
| 490 SET_LOCALS_DOUBLE(*(jdouble *) result, 0); | |
| 491 break; | |
| 492 | |
| 493 case T_OBJECT: | |
| 494 case T_ARRAY: | |
| 495 SET_LOCALS_OBJECT(istate->oop_temp(), 0); | |
| 496 break; | |
| 497 | |
| 498 default: | |
| 499 ShouldNotReachHere(); | |
| 500 } | |
| 501 } | |
| 1514 | 502 |
| 503 // No deoptimized frames on the stack | |
| 504 return 0; | |
| 1010 | 505 } |
| 506 | |
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507 int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 508 JavaThread *thread = (JavaThread *) THREAD; |
| 509 ZeroStack *stack = thread->zero_stack(); | |
| 510 intptr_t *locals = stack->sp(); | |
| 511 | |
| 512 // Drop into the slow path if we need a safepoint check | |
| 513 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 514 return normal_entry(method, 0, THREAD); |
| 1010 | 515 } |
| 516 | |
| 517 // Load the object pointer and drop into the slow path | |
| 518 // if we have a NullPointerException | |
| 519 oop object = LOCALS_OBJECT(0); | |
| 520 if (object == NULL) { | |
| 1514 | 521 return normal_entry(method, 0, THREAD); |
| 1010 | 522 } |
| 523 | |
| 524 // Read the field index from the bytecode, which looks like this: | |
| 525 // 0: aload_0 | |
| 526 // 1: getfield | |
| 527 // 2: index | |
| 528 // 3: index | |
| 529 // 4: ireturn/areturn | |
| 530 // NB this is not raw bytecode: index is in machine order | |
| 531 u1 *code = method->code_base(); | |
| 532 assert(code[0] == Bytecodes::_aload_0 && | |
| 533 code[1] == Bytecodes::_getfield && | |
| 534 (code[4] == Bytecodes::_ireturn || | |
| 535 code[4] == Bytecodes::_areturn), "should do"); | |
| 536 u2 index = Bytes::get_native_u2(&code[2]); | |
| 537 | |
| 538 // Get the entry from the constant pool cache, and drop into | |
| 539 // the slow path if it has not been resolved | |
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540 ConstantPoolCache* cache = method->constants()->cache(); |
| 1010 | 541 ConstantPoolCacheEntry* entry = cache->entry_at(index); |
| 542 if (!entry->is_resolved(Bytecodes::_getfield)) { | |
| 1514 | 543 return normal_entry(method, 0, THREAD); |
| 1010 | 544 } |
| 545 | |
| 546 // Get the result and push it onto the stack | |
| 547 switch (entry->flag_state()) { | |
| 548 case ltos: | |
| 549 case dtos: | |
| 1514 | 550 stack->overflow_check(1, CHECK_0); |
| 1010 | 551 stack->alloc(wordSize); |
| 552 break; | |
| 553 } | |
| 554 if (entry->is_volatile()) { | |
| 555 switch (entry->flag_state()) { | |
| 556 case ctos: | |
| 6926 | 557 SET_LOCALS_INT(object->char_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 558 break; |
| 559 | |
| 560 case btos: | |
| 23614 | 561 case ztos: |
| 6926 | 562 SET_LOCALS_INT(object->byte_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 563 break; |
| 564 | |
| 565 case stos: | |
| 6926 | 566 SET_LOCALS_INT(object->short_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 567 break; |
| 568 | |
| 569 case itos: | |
| 6926 | 570 SET_LOCALS_INT(object->int_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 571 break; |
| 572 | |
| 573 case ltos: | |
| 6926 | 574 SET_LOCALS_LONG(object->long_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 575 break; |
| 576 | |
| 577 case ftos: | |
| 6926 | 578 SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 579 break; |
| 580 | |
| 581 case dtos: | |
| 6926 | 582 SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 583 break; |
| 584 | |
| 585 case atos: | |
| 6926 | 586 SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2_as_index()), 0); |
| 1010 | 587 break; |
| 588 | |
| 589 default: | |
| 590 ShouldNotReachHere(); | |
| 591 } | |
| 592 } | |
| 593 else { | |
| 594 switch (entry->flag_state()) { | |
| 595 case ctos: | |
| 6926 | 596 SET_LOCALS_INT(object->char_field(entry->f2_as_index()), 0); |
| 1010 | 597 break; |
| 598 | |
| 599 case btos: | |
| 23614 | 600 case ztos: |
| 6926 | 601 SET_LOCALS_INT(object->byte_field(entry->f2_as_index()), 0); |
| 1010 | 602 break; |
| 603 | |
| 604 case stos: | |
| 6926 | 605 SET_LOCALS_INT(object->short_field(entry->f2_as_index()), 0); |
| 1010 | 606 break; |
| 607 | |
| 608 case itos: | |
| 6926 | 609 SET_LOCALS_INT(object->int_field(entry->f2_as_index()), 0); |
| 1010 | 610 break; |
| 611 | |
| 612 case ltos: | |
| 6926 | 613 SET_LOCALS_LONG(object->long_field(entry->f2_as_index()), 0); |
| 1010 | 614 break; |
| 615 | |
| 616 case ftos: | |
| 6926 | 617 SET_LOCALS_FLOAT(object->float_field(entry->f2_as_index()), 0); |
| 1010 | 618 break; |
| 619 | |
| 620 case dtos: | |
| 6926 | 621 SET_LOCALS_DOUBLE(object->double_field(entry->f2_as_index()), 0); |
| 1010 | 622 break; |
| 623 | |
| 624 case atos: | |
| 6926 | 625 SET_LOCALS_OBJECT(object->obj_field(entry->f2_as_index()), 0); |
| 1010 | 626 break; |
| 627 | |
| 628 default: | |
| 629 ShouldNotReachHere(); | |
| 630 } | |
| 631 } | |
| 1514 | 632 |
| 633 // No deoptimized frames on the stack | |
| 634 return 0; | |
| 1010 | 635 } |
| 636 | |
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637 int CppInterpreter::empty_entry(Method* method, intptr_t UNUSED, TRAPS) { |
| 1010 | 638 JavaThread *thread = (JavaThread *) THREAD; |
| 639 ZeroStack *stack = thread->zero_stack(); | |
| 640 | |
| 641 // Drop into the slow path if we need a safepoint check | |
| 642 if (SafepointSynchronize::do_call_back()) { | |
| 1514 | 643 return normal_entry(method, 0, THREAD); |
| 1010 | 644 } |
| 645 | |
| 646 // Pop our parameters | |
| 647 stack->set_sp(stack->sp() + method->size_of_parameters()); | |
| 1514 | 648 |
| 649 // No deoptimized frames on the stack | |
| 650 return 0; | |
| 1010 | 651 } |
| 652 | |
| 2480 | 653 // The new slots will be inserted before slot insert_before. |
| 654 // Slots < insert_before will have the same slot number after the insert. | |
| 655 // Slots >= insert_before will become old_slot + num_slots. | |
| 656 void CppInterpreter::insert_vmslots(int insert_before, int num_slots, TRAPS) { | |
| 657 JavaThread *thread = (JavaThread *) THREAD; | |
| 658 ZeroStack *stack = thread->zero_stack(); | |
| 659 | |
| 660 // Allocate the space | |
| 661 stack->overflow_check(num_slots, CHECK); | |
| 662 stack->alloc(num_slots * wordSize); | |
| 663 intptr_t *vmslots = stack->sp(); | |
| 664 | |
| 665 // Shuffle everything up | |
| 666 for (int i = 0; i < insert_before; i++) | |
| 667 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i + num_slots), i); | |
| 668 } | |
| 669 | |
| 670 void CppInterpreter::remove_vmslots(int first_slot, int num_slots, TRAPS) { | |
| 671 JavaThread *thread = (JavaThread *) THREAD; | |
| 672 ZeroStack *stack = thread->zero_stack(); | |
| 673 intptr_t *vmslots = stack->sp(); | |
| 674 | |
| 675 // Move everything down | |
| 676 for (int i = first_slot - 1; i >= 0; i--) | |
| 677 SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i + num_slots); | |
| 678 | |
| 679 // Deallocate the space | |
| 680 stack->set_sp(stack->sp() + num_slots); | |
| 681 } | |
| 682 | |
| 683 BasicType CppInterpreter::result_type_of_handle(oop method_handle) { | |
| 684 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
| 685 oop return_type = java_lang_invoke_MethodType::rtype(method_type); | |
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686 return java_lang_Class::as_BasicType(return_type, (Klass* *) NULL); |
| 2480 | 687 } |
| 688 | |
| 689 intptr_t* CppInterpreter::calculate_unwind_sp(ZeroStack* stack, | |
| 690 oop method_handle) { | |
| 691 oop method_type = java_lang_invoke_MethodHandle::type(method_handle); | |
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692 int argument_slots = java_lang_invoke_MethodType::ptype_slot_count(method_type); |
| 2480 | 693 |
| 694 return stack->sp() + argument_slots; | |
| 695 } | |
| 696 | |
| 697 IRT_ENTRY(void, CppInterpreter::throw_exception(JavaThread* thread, | |
| 698 Symbol* name, | |
| 699 char* message)) | |
| 700 THROW_MSG(name, message); | |
| 701 IRT_END | |
| 702 | |
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703 InterpreterFrame *InterpreterFrame::build(Method* const method, TRAPS) { |
| 1379 | 704 JavaThread *thread = (JavaThread *) THREAD; |
| 705 ZeroStack *stack = thread->zero_stack(); | |
| 706 | |
| 707 // Calculate the size of the frame we'll build, including | |
| 708 // any adjustments to the caller's frame that we'll make. | |
| 709 int extra_locals = 0; | |
| 710 int monitor_words = 0; | |
| 711 int stack_words = 0; | |
| 1010 | 712 |
| 1379 | 713 if (!method->is_native()) { |
| 714 extra_locals = method->max_locals() - method->size_of_parameters(); | |
| 715 stack_words = method->max_stack(); | |
| 1010 | 716 } |
| 1379 | 717 if (method->is_synchronized()) { |
| 718 monitor_words = frame::interpreter_frame_monitor_size(); | |
| 719 } | |
| 720 stack->overflow_check( | |
| 721 extra_locals + header_words + monitor_words + stack_words, CHECK_NULL); | |
| 1010 | 722 |
| 1379 | 723 // Adjust the caller's stack frame to accomodate any additional |
| 724 // local variables we have contiguously with our parameters. | |
| 725 for (int i = 0; i < extra_locals; i++) | |
| 726 stack->push(0); | |
| 1010 | 727 |
| 728 intptr_t *locals; | |
| 729 if (method->is_native()) | |
| 730 locals = stack->sp() + (method->size_of_parameters() - 1); | |
| 731 else | |
| 732 locals = stack->sp() + (method->max_locals() - 1); | |
| 733 | |
| 734 stack->push(0); // next_frame, filled in later | |
| 735 intptr_t *fp = stack->sp(); | |
| 736 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 737 | |
| 738 stack->push(INTERPRETER_FRAME); | |
| 739 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 740 | |
| 741 interpreterState istate = | |
| 742 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 743 assert(fp - stack->sp() == istate_off, "should be"); | |
| 744 | |
| 745 istate->set_locals(locals); | |
| 746 istate->set_method(method); | |
| 747 istate->set_self_link(istate); | |
| 748 istate->set_prev_link(NULL); | |
| 749 istate->set_thread(thread); | |
| 750 istate->set_bcp(method->is_native() ? NULL : method->code_base()); | |
| 751 istate->set_constants(method->constants()->cache()); | |
| 752 istate->set_msg(BytecodeInterpreter::method_entry); | |
| 753 istate->set_oop_temp(NULL); | |
| 754 istate->set_mdx(NULL); | |
| 755 istate->set_callee(NULL); | |
| 756 | |
| 757 istate->set_monitor_base((BasicObjectLock *) stack->sp()); | |
| 758 if (method->is_synchronized()) { | |
| 759 BasicObjectLock *monitor = | |
| 760 (BasicObjectLock *) stack->alloc(monitor_words * wordSize); | |
| 761 oop object; | |
| 762 if (method->is_static()) | |
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763 object = method->constants()->pool_holder()->java_mirror(); |
| 1010 | 764 else |
| 22925 | 765 object = (oop) (void*)locals[0]; |
| 1010 | 766 monitor->set_obj(object); |
| 767 } | |
| 768 | |
| 769 istate->set_stack_base(stack->sp()); | |
| 770 istate->set_stack(stack->sp() - 1); | |
| 771 if (stack_words) | |
| 772 stack->alloc(stack_words * wordSize); | |
| 773 istate->set_stack_limit(stack->sp() - 1); | |
| 774 | |
| 775 return (InterpreterFrame *) fp; | |
| 776 } | |
| 777 | |
| 778 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 779 int i = 0; | |
| 780 switch (type) { | |
| 781 case T_BOOLEAN: i = 0; break; | |
| 782 case T_CHAR : i = 1; break; | |
| 783 case T_BYTE : i = 2; break; | |
| 784 case T_SHORT : i = 3; break; | |
| 785 case T_INT : i = 4; break; | |
| 786 case T_LONG : i = 5; break; | |
| 787 case T_VOID : i = 6; break; | |
| 788 case T_FLOAT : i = 7; break; | |
| 789 case T_DOUBLE : i = 8; break; | |
| 790 case T_OBJECT : i = 9; break; | |
| 791 case T_ARRAY : i = 9; break; | |
| 792 default : ShouldNotReachHere(); | |
| 793 } | |
| 794 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 795 "index out of bounds"); | |
| 796 return i; | |
| 797 } | |
| 798 | |
| 799 address InterpreterGenerator::generate_empty_entry() { | |
| 800 if (!UseFastEmptyMethods) | |
| 801 return NULL; | |
| 802 | |
| 803 return generate_entry((address) CppInterpreter::empty_entry); | |
| 804 } | |
| 805 | |
| 806 address InterpreterGenerator::generate_accessor_entry() { | |
| 807 if (!UseFastAccessorMethods) | |
| 808 return NULL; | |
| 809 | |
| 810 return generate_entry((address) CppInterpreter::accessor_entry); | |
| 811 } | |
| 812 | |
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813 address InterpreterGenerator::generate_Reference_get_entry(void) { |
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814 #if INCLUDE_ALL_GCS |
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815 if (UseG1GC) { |
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816 // We need to generate have a routine that generates code to: |
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817 // * load the value in the referent field |
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818 // * passes that value to the pre-barrier. |
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819 // |
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820 // In the case of G1 this will record the value of the |
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821 // referent in an SATB buffer if marking is active. |
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822 // This will cause concurrent marking to mark the referent |
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823 // field as live. |
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824 Unimplemented(); |
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825 } |
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826 #endif // INCLUDE_ALL_GCS |
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827 |
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828 // If G1 is not enabled then attempt to go through the accessor entry point |
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829 // Reference.get is an accessor |
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830 return generate_accessor_entry(); |
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831 } |
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832 |
| 1010 | 833 address InterpreterGenerator::generate_native_entry(bool synchronized) { |
| 834 assert(synchronized == false, "should be"); | |
| 835 | |
| 836 return generate_entry((address) CppInterpreter::native_entry); | |
| 837 } | |
| 838 | |
| 839 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 840 assert(synchronized == false, "should be"); | |
| 841 | |
| 842 return generate_entry((address) CppInterpreter::normal_entry); | |
| 843 } | |
| 844 | |
| 845 address AbstractInterpreterGenerator::generate_method_entry( | |
| 846 AbstractInterpreter::MethodKind kind) { | |
| 847 address entry_point = NULL; | |
| 848 | |
| 849 switch (kind) { | |
| 850 case Interpreter::zerolocals: | |
| 851 case Interpreter::zerolocals_synchronized: | |
| 852 break; | |
| 853 | |
| 854 case Interpreter::native: | |
| 855 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 856 break; | |
| 857 | |
| 858 case Interpreter::native_synchronized: | |
| 859 entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false); | |
| 860 break; | |
| 861 | |
| 862 case Interpreter::empty: | |
| 863 entry_point = ((InterpreterGenerator*) this)->generate_empty_entry(); | |
| 864 break; | |
| 865 | |
| 866 case Interpreter::accessor: | |
| 867 entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry(); | |
| 868 break; | |
| 869 | |
| 870 case Interpreter::abstract: | |
| 871 entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry(); | |
| 872 break; | |
| 873 | |
| 874 case Interpreter::java_lang_math_sin: | |
| 875 case Interpreter::java_lang_math_cos: | |
| 876 case Interpreter::java_lang_math_tan: | |
| 877 case Interpreter::java_lang_math_abs: | |
| 878 case Interpreter::java_lang_math_log: | |
| 879 case Interpreter::java_lang_math_log10: | |
| 880 case Interpreter::java_lang_math_sqrt: | |
| 6926 | 881 case Interpreter::java_lang_math_pow: |
| 882 case Interpreter::java_lang_math_exp: | |
| 1010 | 883 entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind); |
| 884 break; | |
| 885 | |
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886 case Interpreter::java_lang_ref_reference_get: |
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887 entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); |
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888 break; |
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889 |
| 1010 | 890 default: |
| 891 ShouldNotReachHere(); | |
| 892 } | |
| 893 | |
| 894 if (entry_point == NULL) | |
| 895 entry_point = ((InterpreterGenerator*) this)->generate_normal_entry(false); | |
| 896 | |
| 897 return entry_point; | |
| 898 } | |
| 899 | |
| 900 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 901 : CppInterpreterGenerator(code) { | |
| 902 generate_all(); | |
| 903 } | |
| 904 | |
| 905 // Deoptimization helpers | |
| 906 | |
| 1379 | 907 InterpreterFrame *InterpreterFrame::build(int size, TRAPS) { |
| 908 ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); | |
| 909 | |
| 1010 | 910 int size_in_words = size >> LogBytesPerWord; |
| 911 assert(size_in_words * wordSize == size, "unaligned"); | |
| 912 assert(size_in_words >= header_words, "too small"); | |
| 1379 | 913 stack->overflow_check(size_in_words, CHECK_NULL); |
| 1010 | 914 |
| 915 stack->push(0); // next_frame, filled in later | |
| 916 intptr_t *fp = stack->sp(); | |
| 917 assert(fp - stack->sp() == next_frame_off, "should be"); | |
| 918 | |
| 919 stack->push(INTERPRETER_FRAME); | |
| 920 assert(fp - stack->sp() == frame_type_off, "should be"); | |
| 921 | |
| 922 interpreterState istate = | |
| 923 (interpreterState) stack->alloc(sizeof(BytecodeInterpreter)); | |
| 924 assert(fp - stack->sp() == istate_off, "should be"); | |
| 925 istate->set_self_link(NULL); // mark invalid | |
| 926 | |
| 927 stack->alloc((size_in_words - header_words) * wordSize); | |
| 928 | |
| 929 return (InterpreterFrame *) fp; | |
| 930 } | |
| 931 | |
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932 int AbstractInterpreter::size_activation(int max_stack, |
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933 int tempcount, |
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934 int extra_args, |
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935 int moncount, |
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936 int callee_param_count, |
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937 int callee_locals, |
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938 bool is_top_frame) { |
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939 int header_words = InterpreterFrame::header_words; |
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940 int monitor_words = moncount * frame::interpreter_frame_monitor_size(); |
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941 int stack_words = is_top_frame ? max_stack : tempcount; |
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942 int callee_extra_locals = callee_locals - callee_param_count; |
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943 |
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944 return header_words + monitor_words + stack_words + callee_extra_locals; |
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945 } |
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946 |
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947 void AbstractInterpreter::layout_activation(Method* method, |
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948 int tempcount, |
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949 int popframe_extra_args, |
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950 int moncount, |
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951 int caller_actual_parameters, |
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952 int callee_param_count, |
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953 int callee_locals, |
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954 frame* caller, |
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955 frame* interpreter_frame, |
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956 bool is_top_frame, |
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957 bool is_bottom_frame) { |
| 1010 | 958 assert(popframe_extra_args == 0, "what to do?"); |
| 959 assert(!is_top_frame || (!callee_locals && !callee_param_count), | |
| 1605 | 960 "top frame should have no caller"); |
| 1010 | 961 |
| 962 // This code must exactly match what InterpreterFrame::build | |
| 963 // does (the full InterpreterFrame::build, that is, not the | |
| 964 // one that creates empty frames for the deoptimizer). | |
| 965 // | |
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966 // interpreter_frame will be filled in. It's size is determined by |
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967 // a previous call to the size_activation() method, |
| 1010 | 968 // |
| 969 // Note that tempcount is the current size of the expression | |
| 970 // stack. For top most frames we will allocate a full sized | |
| 971 // expression stack and not the trimmed version that non-top | |
| 972 // frames have. | |
| 973 | |
| 974 int monitor_words = moncount * frame::interpreter_frame_monitor_size(); | |
|
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975 intptr_t *locals = interpreter_frame->fp() + method->max_locals(); |
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976 interpreterState istate = interpreter_frame->get_interpreterState(); |
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977 intptr_t *monitor_base = (intptr_t*) istate; |
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978 intptr_t *stack_base = monitor_base - monitor_words; |
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979 intptr_t *stack = stack_base - tempcount - 1; |
| 1010 | 980 |
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981 BytecodeInterpreter::layout_interpreterState(istate, |
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982 caller, |
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983 NULL, |
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984 method, |
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985 locals, |
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986 stack, |
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987 stack_base, |
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988 monitor_base, |
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989 NULL, |
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990 is_top_frame); |
| 1010 | 991 } |
| 992 | |
| 993 void BytecodeInterpreter::layout_interpreterState(interpreterState istate, | |
| 994 frame* caller, | |
| 995 frame* current, | |
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996 Method* method, |
| 1010 | 997 intptr_t* locals, |
| 998 intptr_t* stack, | |
| 999 intptr_t* stack_base, | |
| 1000 intptr_t* monitor_base, | |
| 1001 intptr_t* frame_bottom, | |
| 1002 bool is_top_frame) { | |
| 1003 istate->set_locals(locals); | |
| 1004 istate->set_method(method); | |
| 1005 istate->set_self_link(istate); | |
| 1006 istate->set_prev_link(NULL); | |
| 1007 // thread will be set by a hacky repurposing of frame::patch_pc() | |
| 1008 // bcp will be set by vframeArrayElement::unpack_on_stack() | |
| 1009 istate->set_constants(method->constants()->cache()); | |
| 1010 istate->set_msg(BytecodeInterpreter::method_resume); | |
| 1011 istate->set_bcp_advance(0); | |
| 1012 istate->set_oop_temp(NULL); | |
| 1013 istate->set_mdx(NULL); | |
| 1014 if (caller->is_interpreted_frame()) { | |
| 1015 interpreterState prev = caller->get_interpreterState(); | |
| 1016 prev->set_callee(method); | |
| 1017 if (*prev->bcp() == Bytecodes::_invokeinterface) | |
| 1018 prev->set_bcp_advance(5); | |
| 1019 else | |
| 1020 prev->set_bcp_advance(3); | |
| 1021 } | |
| 1022 istate->set_callee(NULL); | |
| 1023 istate->set_monitor_base((BasicObjectLock *) monitor_base); | |
| 1024 istate->set_stack_base(stack_base); | |
| 1025 istate->set_stack(stack); | |
| 1026 istate->set_stack_limit(stack_base - method->max_stack() - 1); | |
| 1027 } | |
| 1028 | |
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1029 address CppInterpreter::return_entry(TosState state, int length, Bytecodes::Code code) { |
| 1010 | 1030 ShouldNotCallThis(); |
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1031 return NULL; |
| 1010 | 1032 } |
| 1033 | |
| 1034 address CppInterpreter::deopt_entry(TosState state, int length) { | |
| 1035 return NULL; | |
| 1036 } | |
| 1037 | |
| 1038 // Helper for (runtime) stack overflow checks | |
| 1039 | |
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1040 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 1010 | 1041 return 0; |
| 1042 } | |
| 1043 | |
| 1044 // Helper for figuring out if frames are interpreter frames | |
| 1045 | |
| 1046 bool CppInterpreter::contains(address pc) { | |
| 1047 return false; // make frame::print_value_on work | |
| 1048 } | |
| 1049 | |
| 1050 // Result handlers and convertors | |
| 1051 | |
| 1052 address CppInterpreterGenerator::generate_result_handler_for( | |
| 1053 BasicType type) { | |
| 1054 assembler()->advance(1); | |
| 1055 return ShouldNotCallThisStub(); | |
| 1056 } | |
| 1057 | |
| 1058 address CppInterpreterGenerator::generate_tosca_to_stack_converter( | |
| 1059 BasicType type) { | |
| 1060 assembler()->advance(1); | |
| 1061 return ShouldNotCallThisStub(); | |
| 1062 } | |
| 1063 | |
| 1064 address CppInterpreterGenerator::generate_stack_to_stack_converter( | |
| 1065 BasicType type) { | |
| 1066 assembler()->advance(1); | |
| 1067 return ShouldNotCallThisStub(); | |
| 1068 } | |
| 1069 | |
| 1070 address CppInterpreterGenerator::generate_stack_to_native_abi_converter( | |
| 1071 BasicType type) { | |
| 1072 assembler()->advance(1); | |
| 1073 return ShouldNotCallThisStub(); | |
| 1074 } | |
| 1075 | |
| 1076 #endif // CC_INTERP |