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src/cpu/zero/vm/cppInterpreter_zero.cpp@db9981fd3124 (annotated)

src/cpu/zero/vm/cppInterpreter_zero.cpp

Wed, 23 Jan 2013 13:02:39 -0500

author

jprovino

date

Wed, 23 Jan 2013 13:02:39 -0500

changeset 4542

db9981fd3124

parent 4314

2cd5e15048e6

child 4727

0094485b46c7

permissions

-rw-r--r--

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

never@1445	1	/*
coleenp@4037	2	* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
twisti@2762	3	* Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
never@1445	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	5	*
never@1445	6	* This code is free software; you can redistribute it and/or modify it
never@1445	7	* under the terms of the GNU General Public License version 2 only, as
never@1445	8	* published by the Free Software Foundation.
never@1445	9	*
never@1445	10	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	13	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	14	* accompanied this code).
never@1445	15	*
never@1445	16	* You should have received a copy of the GNU General Public License version
never@1445	17	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	19	*
trims@1907	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	21	* or visit www.oracle.com if you need additional information or have any
trims@1907	22	* questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
stefank@2314	26	#include "precompiled.hpp"
stefank@2314	27	#include "asm/assembler.hpp"
stefank@2314	28	#include "interpreter/bytecodeHistogram.hpp"
stefank@2314	29	#include "interpreter/cppInterpreter.hpp"
stefank@2314	30	#include "interpreter/interpreter.hpp"
stefank@2314	31	#include "interpreter/interpreterGenerator.hpp"
stefank@2314	32	#include "interpreter/interpreterRuntime.hpp"
stefank@2314	33	#include "oops/arrayOop.hpp"
coleenp@4037	34	#include "oops/methodData.hpp"
coleenp@4037	35	#include "oops/method.hpp"
stefank@2314	36	#include "oops/oop.inline.hpp"
stefank@2314	37	#include "prims/jvmtiExport.hpp"
stefank@2314	38	#include "prims/jvmtiThreadState.hpp"
stefank@2314	39	#include "runtime/arguments.hpp"
stefank@2314	40	#include "runtime/deoptimization.hpp"
stefank@2314	41	#include "runtime/frame.inline.hpp"
stefank@2314	42	#include "runtime/interfaceSupport.hpp"
stefank@2314	43	#include "runtime/sharedRuntime.hpp"
stefank@2314	44	#include "runtime/stubRoutines.hpp"
stefank@2314	45	#include "runtime/synchronizer.hpp"
stefank@2314	46	#include "runtime/timer.hpp"
stefank@2314	47	#include "runtime/vframeArray.hpp"
stefank@2314	48	#include "stack_zero.inline.hpp"
stefank@2314	49	#include "utilities/debug.hpp"
jprovino@4542	50	#include "utilities/macros.hpp"
stefank@2314	51	#ifdef SHARK
stefank@2314	52	#include "shark/shark_globals.hpp"
stefank@2314	53	#endif
never@1445	54
never@1445	55	#ifdef CC_INTERP
never@1445	56
never@1445	57	#define fixup_after_potential_safepoint() \
never@1445	58	method = istate->method()
never@1445	59
twisti@2762	60	#define CALL_VM_NOCHECK_NOFIX(func) \
never@1445	61	thread->set_last_Java_frame(); \
never@1445	62	func; \
twisti@2762	63	thread->reset_last_Java_frame();
twisti@2762	64
twisti@2762	65	#define CALL_VM_NOCHECK(func) \
twisti@2762	66	CALL_VM_NOCHECK_NOFIX(func) \
never@1445	67	fixup_after_potential_safepoint()
never@1445	68
coleenp@4037	69	int CppInterpreter::normal_entry(Method* method, intptr_t UNUSED, TRAPS) {
never@1445	70	JavaThread *thread = (JavaThread *) THREAD;
never@1445	71
never@1445	72	// Allocate and initialize our frame.
twisti@1869	73	InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
never@1445	74	thread->push_zero_frame(frame);
never@1445	75
never@1445	76	// Execute those bytecodes!
never@1445	77	main_loop(0, THREAD);
twisti@1869	78
twisti@1869	79	// No deoptimized frames on the stack
twisti@1869	80	return 0;
never@1445	81	}
never@1445	82
never@1445	83	void CppInterpreter::main_loop(int recurse, TRAPS) {
never@1445	84	JavaThread *thread = (JavaThread *) THREAD;
never@1445	85	ZeroStack *stack = thread->zero_stack();
never@1445	86
never@1445	87	// If we are entering from a deopt we may need to call
never@1445	88	// ourself a few times in order to get to our frame.
never@1445	89	if (recurse)
never@1445	90	main_loop(recurse - 1, THREAD);
never@1445	91
never@1445	92	InterpreterFrame *frame = thread->top_zero_frame()->as_interpreter_frame();
never@1445	93	interpreterState istate = frame->interpreter_state();
coleenp@4037	94	Method* method = istate->method();
never@1445	95
never@1445	96	intptr_t *result = NULL;
never@1445	97	int result_slots = 0;
never@1445	98
never@1445	99	while (true) {
never@1445	100	// We can set up the frame anchor with everything we want at
never@1445	101	// this point as we are thread_in_Java and no safepoints can
never@1445	102	// occur until we go to vm mode. We do have to clear flags
never@1445	103	// on return from vm but that is it.
never@1445	104	thread->set_last_Java_frame();
never@1445	105
never@1445	106	// Call the interpreter
never@1445	107	if (JvmtiExport::can_post_interpreter_events())
never@1445	108	BytecodeInterpreter::runWithChecks(istate);
never@1445	109	else
never@1445	110	BytecodeInterpreter::run(istate);
never@1445	111	fixup_after_potential_safepoint();
never@1445	112
never@1445	113	// Clear the frame anchor
never@1445	114	thread->reset_last_Java_frame();
never@1445	115
never@1445	116	// Examine the message from the interpreter to decide what to do
never@1445	117	if (istate->msg() == BytecodeInterpreter::call_method) {
coleenp@4037	118	Method* callee = istate->callee();
never@1445	119
never@1445	120	// Trim back the stack to put the parameters at the top
never@1445	121	stack->set_sp(istate->stack() + 1);
never@1445	122
never@1445	123	// Make the call
never@1445	124	Interpreter::invoke_method(callee, istate->callee_entry_point(), THREAD);
never@1445	125	fixup_after_potential_safepoint();
never@1445	126
never@1445	127	// Convert the result
never@1445	128	istate->set_stack(stack->sp() - 1);
never@1445	129
never@1445	130	// Restore the stack
never@1445	131	stack->set_sp(istate->stack_limit() + 1);
never@1445	132
never@1445	133	// Resume the interpreter
never@1445	134	istate->set_msg(BytecodeInterpreter::method_resume);
never@1445	135	}
never@1445	136	else if (istate->msg() == BytecodeInterpreter::more_monitors) {
never@1445	137	int monitor_words = frame::interpreter_frame_monitor_size();
never@1445	138
never@1445	139	// Allocate the space
twisti@1814	140	stack->overflow_check(monitor_words, THREAD);
twisti@1814	141	if (HAS_PENDING_EXCEPTION)
twisti@1814	142	break;
never@1445	143	stack->alloc(monitor_words * wordSize);
never@1445	144
never@1445	145	// Move the expression stack contents
never@1445	146	for (intptr_t *p = istate->stack() + 1; p < istate->stack_base(); p++)
never@1445	147	*(p - monitor_words) = *p;
never@1445	148
never@1445	149	// Move the expression stack pointers
never@1445	150	istate->set_stack_limit(istate->stack_limit() - monitor_words);
never@1445	151	istate->set_stack(istate->stack() - monitor_words);
never@1445	152	istate->set_stack_base(istate->stack_base() - monitor_words);
never@1445	153
never@1445	154	// Zero the new monitor so the interpreter can find it.
never@1445	155	((BasicObjectLock *) istate->stack_base())->set_obj(NULL);
never@1445	156
never@1445	157	// Resume the interpreter
never@1445	158	istate->set_msg(BytecodeInterpreter::got_monitors);
never@1445	159	}
never@1445	160	else if (istate->msg() == BytecodeInterpreter::return_from_method) {
never@1445	161	// Copy the result into the caller's frame
kvn@1691	162	result_slots = type2size[result_type_of(method)];
never@1445	163	assert(result_slots >= 0 && result_slots <= 2, "what?");
never@1445	164	result = istate->stack() + result_slots;
never@1445	165	break;
never@1445	166	}
never@1445	167	else if (istate->msg() == BytecodeInterpreter::throwing_exception) {
never@1445	168	assert(HAS_PENDING_EXCEPTION, "should do");
never@1445	169	break;
never@1445	170	}
never@1445	171	else if (istate->msg() == BytecodeInterpreter::do_osr) {
never@1445	172	// Unwind the current frame
never@1445	173	thread->pop_zero_frame();
never@1445	174
never@1445	175	// Remove any extension of the previous frame
never@1445	176	int extra_locals = method->max_locals() - method->size_of_parameters();
never@1445	177	stack->set_sp(stack->sp() + extra_locals);
never@1445	178
never@1445	179	// Jump into the OSR method
never@1445	180	Interpreter::invoke_osr(
never@1445	181	method, istate->osr_entry(), istate->osr_buf(), THREAD);
never@1445	182	return;
never@1445	183	}
never@1445	184	else {
never@1445	185	ShouldNotReachHere();
never@1445	186	}
never@1445	187	}
never@1445	188
never@1445	189	// Unwind the current frame
never@1445	190	thread->pop_zero_frame();
never@1445	191
never@1445	192	// Pop our local variables
never@1445	193	stack->set_sp(stack->sp() + method->max_locals());
never@1445	194
never@1445	195	// Push our result
never@1445	196	for (int i = 0; i < result_slots; i++)
never@1445	197	stack->push(result[-i]);
never@1445	198	}
never@1445	199
coleenp@4037	200	int CppInterpreter::native_entry(Method* method, intptr_t UNUSED, TRAPS) {
never@1445	201	// Make sure method is native and not abstract
never@1445	202	assert(method->is_native() && !method->is_abstract(), "should be");
never@1445	203
never@1445	204	JavaThread *thread = (JavaThread *) THREAD;
never@1445	205	ZeroStack *stack = thread->zero_stack();
never@1445	206
never@1445	207	// Allocate and initialize our frame
twisti@1869	208	InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
never@1445	209	thread->push_zero_frame(frame);
never@1445	210	interpreterState istate = frame->interpreter_state();
never@1445	211	intptr_t *locals = istate->locals();
never@1445	212
twisti@1513	213	// Update the invocation counter
twisti@1513	214	if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) {
twisti@1513	215	InvocationCounter *counter = method->invocation_counter();
twisti@1513	216	counter->increment();
twisti@1513	217	if (counter->reached_InvocationLimit()) {
twisti@1513	218	CALL_VM_NOCHECK(
twisti@1513	219	InterpreterRuntime::frequency_counter_overflow(thread, NULL));
twisti@1513	220	if (HAS_PENDING_EXCEPTION)
twisti@1513	221	goto unwind_and_return;
twisti@1513	222	}
twisti@1513	223	}
twisti@1513	224
never@1445	225	// Lock if necessary
never@1445	226	BasicObjectLock *monitor;
never@1445	227	monitor = NULL;
never@1445	228	if (method->is_synchronized()) {
never@1445	229	monitor = (BasicObjectLock*) istate->stack_base();
never@1445	230	oop lockee = monitor->obj();
never@1445	231	markOop disp = lockee->mark()->set_unlocked();
never@1445	232
never@1445	233	monitor->lock()->set_displaced_header(disp);
never@1445	234	if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) {
never@1445	235	if (thread->is_lock_owned((address) disp->clear_lock_bits())) {
never@1445	236	monitor->lock()->set_displaced_header(NULL);
never@1445	237	}
never@1445	238	else {
never@1445	239	CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor));
never@1445	240	if (HAS_PENDING_EXCEPTION)
never@1445	241	goto unwind_and_return;
never@1445	242	}
never@1445	243	}
never@1445	244	}
never@1445	245
never@1445	246	// Get the signature handler
never@1445	247	InterpreterRuntime::SignatureHandler *handler; {
never@1445	248	address handlerAddr = method->signature_handler();
never@1445	249	if (handlerAddr == NULL) {
never@1445	250	CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method));
never@1445	251	if (HAS_PENDING_EXCEPTION)
never@1574	252	goto unlock_unwind_and_return;
never@1445	253
never@1445	254	handlerAddr = method->signature_handler();
never@1445	255	assert(handlerAddr != NULL, "eh?");
never@1445	256	}
never@1445	257	if (handlerAddr == (address) InterpreterRuntime::slow_signature_handler) {
never@1445	258	CALL_VM_NOCHECK(handlerAddr =
never@1445	259	InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL));
never@1445	260	if (HAS_PENDING_EXCEPTION)
never@1574	261	goto unlock_unwind_and_return;
never@1445	262	}
never@1445	263	handler = \
never@1445	264	InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr);
never@1445	265	}
never@1445	266
never@1445	267	// Get the native function entry point
never@1445	268	address function;
never@1445	269	function = method->native_function();
never@1445	270	assert(function != NULL, "should be set if signature handler is");
never@1445	271
never@1445	272	// Build the argument list
twisti@1814	273	stack->overflow_check(handler->argument_count() * 2, THREAD);
twisti@1814	274	if (HAS_PENDING_EXCEPTION)
twisti@1814	275	goto unlock_unwind_and_return;
twisti@1814	276
never@1445	277	void **arguments;
never@1445	278	void *mirror; {
never@1445	279	arguments =
never@1445	280	(void **) stack->alloc(handler->argument_count() * sizeof(void **));
never@1445	281	void **dst = arguments;
never@1445	282
never@1445	283	void *env = thread->jni_environment();
never@1445	284	*(dst++) = &env;
never@1445	285
never@1445	286	if (method->is_static()) {
never@1445	287	istate->set_oop_temp(
never@2658	288	method->constants()->pool_holder()->java_mirror());
never@1445	289	mirror = istate->oop_temp_addr();
never@1445	290	*(dst++) = &mirror;
never@1445	291	}
never@1445	292
never@1445	293	intptr_t *src = locals;
never@1445	294	for (int i = dst - arguments; i < handler->argument_count(); i++) {
never@1445	295	ffi_type *type = handler->argument_type(i);
never@1445	296	if (type == &ffi_type_pointer) {
never@1445	297	if (*src) {
never@1445	298	stack->push((intptr_t) src);
never@1445	299	*(dst++) = stack->sp();
never@1445	300	}
never@1445	301	else {
never@1445	302	*(dst++) = src;
never@1445	303	}
never@1445	304	src--;
never@1445	305	}
never@1445	306	else if (type->size == 4) {
never@1445	307	*(dst++) = src--;
never@1445	308	}
never@1445	309	else if (type->size == 8) {
never@1445	310	src--;
never@1445	311	*(dst++) = src--;
never@1445	312	}
never@1445	313	else {
never@1445	314	ShouldNotReachHere();
never@1445	315	}
never@1445	316	}
never@1445	317	}
never@1445	318
never@1445	319	// Set up the Java frame anchor
never@1445	320	thread->set_last_Java_frame();
never@1445	321
never@1445	322	// Change the thread state to _thread_in_native
never@1445	323	ThreadStateTransition::transition_from_java(thread, _thread_in_native);
never@1445	324
never@1445	325	// Make the call
never@1445	326	intptr_t result[4 - LogBytesPerWord];
never@1445	327	ffi_call(handler->cif(), (void (*)()) function, result, arguments);
never@1445	328
never@1445	329	// Change the thread state back to _thread_in_Java.
never@1445	330	// ThreadStateTransition::transition_from_native() cannot be used
never@1445	331	// here because it does not check for asynchronous exceptions.
never@1445	332	// We have to manage the transition ourself.
never@1445	333	thread->set_thread_state(_thread_in_native_trans);
never@1445	334
never@1445	335	// Make sure new state is visible in the GC thread
never@1445	336	if (os::is_MP()) {
never@1445	337	if (UseMembar) {
never@1445	338	OrderAccess::fence();
never@1445	339	}
never@1445	340	else {
never@1445	341	InterfaceSupport::serialize_memory(thread);
never@1445	342	}
never@1445	343	}
never@1445	344
never@1445	345	// Handle safepoint operations, pending suspend requests,
never@1445	346	// and pending asynchronous exceptions.
never@1445	347	if (SafepointSynchronize::do_call_back() ||
never@1445	348	thread->has_special_condition_for_native_trans()) {
never@1445	349	JavaThread::check_special_condition_for_native_trans(thread);
never@1445	350	CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops());
never@1445	351	}
never@1445	352
never@1445	353	// Finally we can change the thread state to _thread_in_Java.
never@1445	354	thread->set_thread_state(_thread_in_Java);
never@1445	355	fixup_after_potential_safepoint();
never@1445	356
never@1445	357	// Clear the frame anchor
never@1445	358	thread->reset_last_Java_frame();
never@1445	359
never@1445	360	// If the result was an oop then unbox it and store it in
never@1445	361	// oop_temp where the garbage collector can see it before
never@1445	362	// we release the handle it might be protected by.
never@1445	363	if (handler->result_type() == &ffi_type_pointer) {
never@1445	364	if (result[0])
never@1445	365	istate->set_oop_temp(*(oop *) result[0]);
never@1445	366	else
never@1445	367	istate->set_oop_temp(NULL);
never@1445	368	}
never@1445	369
never@1445	370	// Reset handle block
never@1445	371	thread->active_handles()->clear();
never@1445	372
never@1574	373	unlock_unwind_and_return:
never@1574	374
never@1574	375	// Unlock if necessary
never@1574	376	if (monitor) {
never@1445	377	BasicLock *lock = monitor->lock();
never@1445	378	markOop header = lock->displaced_header();
never@1445	379	oop rcvr = monitor->obj();
never@1445	380	monitor->set_obj(NULL);
never@1445	381
never@1445	382	if (header != NULL) {
never@1445	383	if (Atomic::cmpxchg_ptr(header, rcvr->mark_addr(), lock) != lock) {
never@1445	384	monitor->set_obj(rcvr); {
never@1445	385	HandleMark hm(thread);
never@1445	386	CALL_VM_NOCHECK(InterpreterRuntime::monitorexit(thread, monitor));
never@1445	387	}
never@1445	388	}
never@1445	389	}
never@1445	390	}
never@1445	391
never@1445	392	unwind_and_return:
never@1445	393
never@1445	394	// Unwind the current activation
never@1445	395	thread->pop_zero_frame();
never@1445	396
never@1445	397	// Pop our parameters
never@1445	398	stack->set_sp(stack->sp() + method->size_of_parameters());
never@1445	399
never@1445	400	// Push our result
never@1445	401	if (!HAS_PENDING_EXCEPTION) {
kvn@1691	402	BasicType type = result_type_of(method);
kvn@1691	403	stack->set_sp(stack->sp() - type2size[type]);
never@1445	404
kvn@1691	405	switch (type) {
never@1445	406	case T_VOID:
never@1445	407	break;
never@1445	408
never@1445	409	case T_BOOLEAN:
never@1445	410	#ifndef VM_LITTLE_ENDIAN
never@1445	411	result[0] <<= (BitsPerWord - BitsPerByte);
never@1445	412	#endif
never@1445	413	SET_LOCALS_INT(*(jboolean *) result != 0, 0);
never@1445	414	break;
never@1445	415
never@1445	416	case T_CHAR:
never@1445	417	#ifndef VM_LITTLE_ENDIAN
never@1445	418	result[0] <<= (BitsPerWord - BitsPerShort);
never@1445	419	#endif
never@1445	420	SET_LOCALS_INT(*(jchar *) result, 0);
never@1445	421	break;
never@1445	422
never@1445	423	case T_BYTE:
never@1445	424	#ifndef VM_LITTLE_ENDIAN
never@1445	425	result[0] <<= (BitsPerWord - BitsPerByte);
never@1445	426	#endif
never@1445	427	SET_LOCALS_INT(*(jbyte *) result, 0);
never@1445	428	break;
never@1445	429
never@1445	430	case T_SHORT:
never@1445	431	#ifndef VM_LITTLE_ENDIAN
never@1445	432	result[0] <<= (BitsPerWord - BitsPerShort);
never@1445	433	#endif
never@1445	434	SET_LOCALS_INT(*(jshort *) result, 0);
never@1445	435	break;
never@1445	436
never@1445	437	case T_INT:
never@1445	438	#ifndef VM_LITTLE_ENDIAN
never@1445	439	result[0] <<= (BitsPerWord - BitsPerInt);
never@1445	440	#endif
never@1445	441	SET_LOCALS_INT(*(jint *) result, 0);
never@1445	442	break;
never@1445	443
never@1445	444	case T_LONG:
never@1445	445	SET_LOCALS_LONG(*(jlong *) result, 0);
never@1445	446	break;
never@1445	447
never@1445	448	case T_FLOAT:
never@1445	449	SET_LOCALS_FLOAT(*(jfloat *) result, 0);
never@1445	450	break;
never@1445	451
never@1445	452	case T_DOUBLE:
never@1445	453	SET_LOCALS_DOUBLE(*(jdouble *) result, 0);
never@1445	454	break;
never@1445	455
never@1445	456	case T_OBJECT:
never@1445	457	case T_ARRAY:
never@1445	458	SET_LOCALS_OBJECT(istate->oop_temp(), 0);
never@1445	459	break;
never@1445	460
never@1445	461	default:
never@1445	462	ShouldNotReachHere();
never@1445	463	}
never@1445	464	}
twisti@1869	465
twisti@1869	466	// No deoptimized frames on the stack
twisti@1869	467	return 0;
never@1445	468	}
never@1445	469
coleenp@4037	470	int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) {
never@1445	471	JavaThread *thread = (JavaThread *) THREAD;
never@1445	472	ZeroStack *stack = thread->zero_stack();
never@1445	473	intptr_t *locals = stack->sp();
never@1445	474
never@1445	475	// Drop into the slow path if we need a safepoint check
never@1445	476	if (SafepointSynchronize::do_call_back()) {
twisti@1869	477	return normal_entry(method, 0, THREAD);
never@1445	478	}
never@1445	479
never@1445	480	// Load the object pointer and drop into the slow path
never@1445	481	// if we have a NullPointerException
never@1445	482	oop object = LOCALS_OBJECT(0);
never@1445	483	if (object == NULL) {
twisti@1869	484	return normal_entry(method, 0, THREAD);
never@1445	485	}
never@1445	486
never@1445	487	// Read the field index from the bytecode, which looks like this:
never@1445	488	// 0: aload_0
never@1445	489	// 1: getfield
never@1445	490	// 2: index
never@1445	491	// 3: index
never@1445	492	// 4: ireturn/areturn
never@1445	493	// NB this is not raw bytecode: index is in machine order
never@1445	494	u1 *code = method->code_base();
never@1445	495	assert(code[0] == Bytecodes::_aload_0 &&
never@1445	496	code[1] == Bytecodes::_getfield &&
never@1445	497	(code[4] == Bytecodes::_ireturn ||
never@1445	498	code[4] == Bytecodes::_areturn), "should do");
never@1445	499	u2 index = Bytes::get_native_u2(&code[2]);
never@1445	500
never@1445	501	// Get the entry from the constant pool cache, and drop into
never@1445	502	// the slow path if it has not been resolved
coleenp@4037	503	ConstantPoolCache* cache = method->constants()->cache();
never@1445	504	ConstantPoolCacheEntry* entry = cache->entry_at(index);
never@1445	505	if (!entry->is_resolved(Bytecodes::_getfield)) {
twisti@1869	506	return normal_entry(method, 0, THREAD);
never@1445	507	}
never@1445	508
never@1445	509	// Get the result and push it onto the stack
never@1445	510	switch (entry->flag_state()) {
never@1445	511	case ltos:
never@1445	512	case dtos:
twisti@1869	513	stack->overflow_check(1, CHECK_0);
never@1445	514	stack->alloc(wordSize);
never@1445	515	break;
never@1445	516	}
never@1445	517	if (entry->is_volatile()) {
never@1445	518	switch (entry->flag_state()) {
never@1445	519	case ctos:
twisti@4237	520	SET_LOCALS_INT(object->char_field_acquire(entry->f2_as_index()), 0);
never@1445	521	break;
never@1445	522
never@1445	523	case btos:
twisti@4237	524	SET_LOCALS_INT(object->byte_field_acquire(entry->f2_as_index()), 0);
never@1445	525	break;
never@1445	526
never@1445	527	case stos:
twisti@4237	528	SET_LOCALS_INT(object->short_field_acquire(entry->f2_as_index()), 0);
never@1445	529	break;
never@1445	530
never@1445	531	case itos:
twisti@4237	532	SET_LOCALS_INT(object->int_field_acquire(entry->f2_as_index()), 0);
never@1445	533	break;
never@1445	534
never@1445	535	case ltos:
twisti@4237	536	SET_LOCALS_LONG(object->long_field_acquire(entry->f2_as_index()), 0);
never@1445	537	break;
never@1445	538
never@1445	539	case ftos:
twisti@4237	540	SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2_as_index()), 0);
never@1445	541	break;
never@1445	542
never@1445	543	case dtos:
twisti@4237	544	SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2_as_index()), 0);
never@1445	545	break;
never@1445	546
never@1445	547	case atos:
twisti@4237	548	SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2_as_index()), 0);
never@1445	549	break;
never@1445	550
never@1445	551	default:
never@1445	552	ShouldNotReachHere();
never@1445	553	}
never@1445	554	}
never@1445	555	else {
never@1445	556	switch (entry->flag_state()) {
never@1445	557	case ctos:
twisti@4237	558	SET_LOCALS_INT(object->char_field(entry->f2_as_index()), 0);
never@1445	559	break;
never@1445	560
never@1445	561	case btos:
twisti@4237	562	SET_LOCALS_INT(object->byte_field(entry->f2_as_index()), 0);
never@1445	563	break;
never@1445	564
never@1445	565	case stos:
twisti@4237	566	SET_LOCALS_INT(object->short_field(entry->f2_as_index()), 0);
never@1445	567	break;
never@1445	568
never@1445	569	case itos:
twisti@4237	570	SET_LOCALS_INT(object->int_field(entry->f2_as_index()), 0);
never@1445	571	break;
never@1445	572
never@1445	573	case ltos:
twisti@4237	574	SET_LOCALS_LONG(object->long_field(entry->f2_as_index()), 0);
never@1445	575	break;
never@1445	576
never@1445	577	case ftos:
twisti@4237	578	SET_LOCALS_FLOAT(object->float_field(entry->f2_as_index()), 0);
never@1445	579	break;
never@1445	580
never@1445	581	case dtos:
twisti@4237	582	SET_LOCALS_DOUBLE(object->double_field(entry->f2_as_index()), 0);
never@1445	583	break;
never@1445	584
never@1445	585	case atos:
twisti@4237	586	SET_LOCALS_OBJECT(object->obj_field(entry->f2_as_index()), 0);
never@1445	587	break;
never@1445	588
never@1445	589	default:
never@1445	590	ShouldNotReachHere();
never@1445	591	}
never@1445	592	}
twisti@1869	593
twisti@1869	594	// No deoptimized frames on the stack
twisti@1869	595	return 0;
never@1445	596	}
never@1445	597
coleenp@4037	598	int CppInterpreter::empty_entry(Method* method, intptr_t UNUSED, TRAPS) {
never@1445	599	JavaThread *thread = (JavaThread *) THREAD;
never@1445	600	ZeroStack *stack = thread->zero_stack();
never@1445	601
never@1445	602	// Drop into the slow path if we need a safepoint check
never@1445	603	if (SafepointSynchronize::do_call_back()) {
twisti@1869	604	return normal_entry(method, 0, THREAD);
never@1445	605	}
never@1445	606
never@1445	607	// Pop our parameters
never@1445	608	stack->set_sp(stack->sp() + method->size_of_parameters());
twisti@1869	609
twisti@1869	610	// No deoptimized frames on the stack
twisti@1869	611	return 0;
never@1445	612	}
never@1445	613
twisti@2762	614	// The new slots will be inserted before slot insert_before.
twisti@2762	615	// Slots < insert_before will have the same slot number after the insert.
twisti@2762	616	// Slots >= insert_before will become old_slot + num_slots.
twisti@2762	617	void CppInterpreter::insert_vmslots(int insert_before, int num_slots, TRAPS) {
twisti@2762	618	JavaThread *thread = (JavaThread *) THREAD;
twisti@2762	619	ZeroStack *stack = thread->zero_stack();
twisti@2762	620
twisti@2762	621	// Allocate the space
twisti@2762	622	stack->overflow_check(num_slots, CHECK);
twisti@2762	623	stack->alloc(num_slots * wordSize);
twisti@2762	624	intptr_t *vmslots = stack->sp();
twisti@2762	625
twisti@2762	626	// Shuffle everything up
twisti@2762	627	for (int i = 0; i < insert_before; i++)
twisti@2762	628	SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i + num_slots), i);
twisti@2762	629	}
twisti@2762	630
twisti@2762	631	void CppInterpreter::remove_vmslots(int first_slot, int num_slots, TRAPS) {
twisti@2762	632	JavaThread *thread = (JavaThread *) THREAD;
twisti@2762	633	ZeroStack *stack = thread->zero_stack();
twisti@2762	634	intptr_t *vmslots = stack->sp();
twisti@2762	635
twisti@2762	636	// Move everything down
twisti@2762	637	for (int i = first_slot - 1; i >= 0; i--)
twisti@2762	638	SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i + num_slots);
twisti@2762	639
twisti@2762	640	// Deallocate the space
twisti@2762	641	stack->set_sp(stack->sp() + num_slots);
twisti@2762	642	}
twisti@2762	643
twisti@2762	644	BasicType CppInterpreter::result_type_of_handle(oop method_handle) {
twisti@2762	645	oop method_type = java_lang_invoke_MethodHandle::type(method_handle);
twisti@2762	646	oop return_type = java_lang_invoke_MethodType::rtype(method_type);
coleenp@4037	647	return java_lang_Class::as_BasicType(return_type, (Klass* *) NULL);
twisti@2762	648	}
twisti@2762	649
twisti@2762	650	intptr_t* CppInterpreter::calculate_unwind_sp(ZeroStack* stack,
twisti@2762	651	oop method_handle) {
twisti@2762	652	oop method_type = java_lang_invoke_MethodHandle::type(method_handle);
twisti@3969	653	int argument_slots = java_lang_invoke_MethodType::ptype_slot_count(method_type);
twisti@2762	654
twisti@2762	655	return stack->sp() + argument_slots;
twisti@2762	656	}
twisti@2762	657
twisti@2762	658	IRT_ENTRY(void, CppInterpreter::throw_exception(JavaThread* thread,
twisti@2762	659	Symbol* name,
twisti@2762	660	char* message))
twisti@2762	661	THROW_MSG(name, message);
twisti@2762	662	IRT_END
twisti@2762	663
coleenp@4037	664	InterpreterFrame *InterpreterFrame::build(Method* const method, TRAPS) {
twisti@1814	665	JavaThread *thread = (JavaThread *) THREAD;
twisti@1814	666	ZeroStack *stack = thread->zero_stack();
twisti@1814	667
twisti@1814	668	// Calculate the size of the frame we'll build, including
twisti@1814	669	// any adjustments to the caller's frame that we'll make.
twisti@1814	670	int extra_locals = 0;
twisti@1814	671	int monitor_words = 0;
twisti@1814	672	int stack_words = 0;
twisti@1814	673
twisti@1814	674	if (!method->is_native()) {
twisti@1814	675	extra_locals = method->max_locals() - method->size_of_parameters();
twisti@1814	676	stack_words = method->max_stack();
never@1445	677	}
twisti@1814	678	if (method->is_synchronized()) {
twisti@1814	679	monitor_words = frame::interpreter_frame_monitor_size();
twisti@1814	680	}
twisti@1814	681	stack->overflow_check(
twisti@1814	682	extra_locals + header_words + monitor_words + stack_words, CHECK_NULL);
never@1445	683
twisti@1814	684	// Adjust the caller's stack frame to accomodate any additional
twisti@1814	685	// local variables we have contiguously with our parameters.
twisti@1814	686	for (int i = 0; i < extra_locals; i++)
twisti@1814	687	stack->push(0);
never@1445	688
never@1445	689	intptr_t *locals;
never@1445	690	if (method->is_native())
never@1445	691	locals = stack->sp() + (method->size_of_parameters() - 1);
never@1445	692	else
never@1445	693	locals = stack->sp() + (method->max_locals() - 1);
never@1445	694
never@1445	695	stack->push(0); // next_frame, filled in later
never@1445	696	intptr_t *fp = stack->sp();
never@1445	697	assert(fp - stack->sp() == next_frame_off, "should be");
never@1445	698
never@1445	699	stack->push(INTERPRETER_FRAME);
never@1445	700	assert(fp - stack->sp() == frame_type_off, "should be");
never@1445	701
never@1445	702	interpreterState istate =
never@1445	703	(interpreterState) stack->alloc(sizeof(BytecodeInterpreter));
never@1445	704	assert(fp - stack->sp() == istate_off, "should be");
never@1445	705
never@1445	706	istate->set_locals(locals);
never@1445	707	istate->set_method(method);
never@1445	708	istate->set_self_link(istate);
never@1445	709	istate->set_prev_link(NULL);
never@1445	710	istate->set_thread(thread);
never@1445	711	istate->set_bcp(method->is_native() ? NULL : method->code_base());
never@1445	712	istate->set_constants(method->constants()->cache());
never@1445	713	istate->set_msg(BytecodeInterpreter::method_entry);
never@1445	714	istate->set_oop_temp(NULL);
never@1445	715	istate->set_mdx(NULL);
never@1445	716	istate->set_callee(NULL);
never@1445	717
never@1445	718	istate->set_monitor_base((BasicObjectLock *) stack->sp());
never@1445	719	if (method->is_synchronized()) {
never@1445	720	BasicObjectLock *monitor =
never@1445	721	(BasicObjectLock *) stack->alloc(monitor_words * wordSize);
never@1445	722	oop object;
never@1445	723	if (method->is_static())
never@2658	724	object = method->constants()->pool_holder()->java_mirror();
never@1445	725	else
never@1445	726	object = (oop) locals[0];
never@1445	727	monitor->set_obj(object);
never@1445	728	}
never@1445	729
never@1445	730	istate->set_stack_base(stack->sp());
never@1445	731	istate->set_stack(stack->sp() - 1);
never@1445	732	if (stack_words)
never@1445	733	stack->alloc(stack_words * wordSize);
never@1445	734	istate->set_stack_limit(stack->sp() - 1);
never@1445	735
never@1445	736	return (InterpreterFrame *) fp;
never@1445	737	}
never@1445	738
never@1445	739	int AbstractInterpreter::BasicType_as_index(BasicType type) {
never@1445	740	int i = 0;
never@1445	741	switch (type) {
never@1445	742	case T_BOOLEAN: i = 0; break;
never@1445	743	case T_CHAR : i = 1; break;
never@1445	744	case T_BYTE : i = 2; break;
never@1445	745	case T_SHORT : i = 3; break;
never@1445	746	case T_INT : i = 4; break;
never@1445	747	case T_LONG : i = 5; break;
never@1445	748	case T_VOID : i = 6; break;
never@1445	749	case T_FLOAT : i = 7; break;
never@1445	750	case T_DOUBLE : i = 8; break;
never@1445	751	case T_OBJECT : i = 9; break;
never@1445	752	case T_ARRAY : i = 9; break;
never@1445	753	default : ShouldNotReachHere();
never@1445	754	}
never@1445	755	assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
never@1445	756	"index out of bounds");
never@1445	757	return i;
never@1445	758	}
never@1445	759
coleenp@4037	760	BasicType CppInterpreter::result_type_of(Method* method) {
kvn@1691	761	BasicType t;
kvn@1691	762	switch (method->result_index()) {
kvn@1691	763	case 0 : t = T_BOOLEAN; break;
kvn@1691	764	case 1 : t = T_CHAR; break;
kvn@1691	765	case 2 : t = T_BYTE; break;
kvn@1691	766	case 3 : t = T_SHORT; break;
kvn@1691	767	case 4 : t = T_INT; break;
kvn@1691	768	case 5 : t = T_LONG; break;
kvn@1691	769	case 6 : t = T_VOID; break;
kvn@1691	770	case 7 : t = T_FLOAT; break;
kvn@1691	771	case 8 : t = T_DOUBLE; break;
kvn@1691	772	case 9 : t = T_OBJECT; break;
kvn@1691	773	default: ShouldNotReachHere();
kvn@1691	774	}
kvn@1691	775	assert(AbstractInterpreter::BasicType_as_index(t) == method->result_index(),
kvn@1691	776	"out of step with AbstractInterpreter::BasicType_as_index");
kvn@1691	777	return t;
kvn@1691	778	}
kvn@1691	779
never@1445	780	address InterpreterGenerator::generate_empty_entry() {
never@1445	781	if (!UseFastEmptyMethods)
never@1445	782	return NULL;
never@1445	783
never@1445	784	return generate_entry((address) CppInterpreter::empty_entry);
never@1445	785	}
never@1445	786
never@1445	787	address InterpreterGenerator::generate_accessor_entry() {
never@1445	788	if (!UseFastAccessorMethods)
never@1445	789	return NULL;
never@1445	790
never@1445	791	return generate_entry((address) CppInterpreter::accessor_entry);
never@1445	792	}
never@1445	793
johnc@2781	794	address InterpreterGenerator::generate_Reference_get_entry(void) {
jprovino@4542	795	#if INCLUDE_ALL_GCS
johnc@2781	796	if (UseG1GC) {
johnc@2781	797	// We need to generate have a routine that generates code to:
johnc@2781	798	// * load the value in the referent field
johnc@2781	799	// * passes that value to the pre-barrier.
johnc@2781	800	//
johnc@2781	801	// In the case of G1 this will record the value of the
johnc@2781	802	// referent in an SATB buffer if marking is active.
johnc@2781	803	// This will cause concurrent marking to mark the referent
johnc@2781	804	// field as live.
johnc@2781	805	Unimplemented();
johnc@2781	806	}
jprovino@4542	807	#endif // INCLUDE_ALL_GCS
johnc@2781	808
johnc@2781	809	// If G1 is not enabled then attempt to go through the accessor entry point
johnc@2781	810	// Reference.get is an accessor
johnc@2781	811	return generate_accessor_entry();
johnc@2781	812	}
johnc@2781	813
never@1445	814	address InterpreterGenerator::generate_native_entry(bool synchronized) {
never@1445	815	assert(synchronized == false, "should be");
never@1445	816
never@1445	817	return generate_entry((address) CppInterpreter::native_entry);
never@1445	818	}
never@1445	819
never@1445	820	address InterpreterGenerator::generate_normal_entry(bool synchronized) {
never@1445	821	assert(synchronized == false, "should be");
never@1445	822
never@1445	823	return generate_entry((address) CppInterpreter::normal_entry);
never@1445	824	}
never@1445	825
never@1445	826	address AbstractInterpreterGenerator::generate_method_entry(
never@1445	827	AbstractInterpreter::MethodKind kind) {
never@1445	828	address entry_point = NULL;
never@1445	829
never@1445	830	switch (kind) {
never@1445	831	case Interpreter::zerolocals:
never@1445	832	case Interpreter::zerolocals_synchronized:
never@1445	833	break;
never@1445	834
never@1445	835	case Interpreter::native:
never@1445	836	entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false);
never@1445	837	break;
never@1445	838
never@1445	839	case Interpreter::native_synchronized:
never@1445	840	entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false);
never@1445	841	break;
never@1445	842
never@1445	843	case Interpreter::empty:
never@1445	844	entry_point = ((InterpreterGenerator*) this)->generate_empty_entry();
never@1445	845	break;
never@1445	846
never@1445	847	case Interpreter::accessor:
never@1445	848	entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry();
never@1445	849	break;
never@1445	850
never@1445	851	case Interpreter::abstract:
never@1445	852	entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry();
never@1445	853	break;
never@1445	854
never@1445	855	case Interpreter::java_lang_math_sin:
never@1445	856	case Interpreter::java_lang_math_cos:
never@1445	857	case Interpreter::java_lang_math_tan:
never@1445	858	case Interpreter::java_lang_math_abs:
never@1445	859	case Interpreter::java_lang_math_log:
never@1445	860	case Interpreter::java_lang_math_log10:
never@1445	861	case Interpreter::java_lang_math_sqrt:
twisti@4237	862	case Interpreter::java_lang_math_pow:
twisti@4237	863	case Interpreter::java_lang_math_exp:
never@1445	864	entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind);
never@1445	865	break;
never@1445	866
johnc@2781	867	case Interpreter::java_lang_ref_reference_get:
johnc@2781	868	entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry();
johnc@2781	869	break;
johnc@2781	870
never@1445	871	default:
never@1445	872	ShouldNotReachHere();
never@1445	873	}
never@1445	874
never@1445	875	if (entry_point == NULL)
never@1445	876	entry_point = ((InterpreterGenerator*) this)->generate_normal_entry(false);
never@1445	877
never@1445	878	return entry_point;
never@1445	879	}
never@1445	880
never@1445	881	InterpreterGenerator::InterpreterGenerator(StubQueue* code)
never@1445	882	: CppInterpreterGenerator(code) {
never@1445	883	generate_all();
never@1445	884	}
never@1445	885
never@1445	886	// Deoptimization helpers
never@1445	887
twisti@1814	888	InterpreterFrame *InterpreterFrame::build(int size, TRAPS) {
twisti@1814	889	ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack();
twisti@1814	890
never@1445	891	int size_in_words = size >> LogBytesPerWord;
never@1445	892	assert(size_in_words * wordSize == size, "unaligned");
never@1445	893	assert(size_in_words >= header_words, "too small");
twisti@1814	894	stack->overflow_check(size_in_words, CHECK_NULL);
never@1445	895
never@1445	896	stack->push(0); // next_frame, filled in later
never@1445	897	intptr_t *fp = stack->sp();
never@1445	898	assert(fp - stack->sp() == next_frame_off, "should be");
never@1445	899
never@1445	900	stack->push(INTERPRETER_FRAME);
never@1445	901	assert(fp - stack->sp() == frame_type_off, "should be");
never@1445	902
never@1445	903	interpreterState istate =
never@1445	904	(interpreterState) stack->alloc(sizeof(BytecodeInterpreter));
never@1445	905	assert(fp - stack->sp() == istate_off, "should be");
never@1445	906	istate->set_self_link(NULL); // mark invalid
never@1445	907
never@1445	908	stack->alloc((size_in_words - header_words) * wordSize);
never@1445	909
never@1445	910	return (InterpreterFrame *) fp;
never@1445	911	}
never@1445	912
coleenp@4037	913	int AbstractInterpreter::layout_activation(Method* method,
never@1445	914	int tempcount,
never@1445	915	int popframe_extra_args,
never@1445	916	int moncount,
never@2901	917	int caller_actual_parameters,
never@1445	918	int callee_param_count,
never@1445	919	int callee_locals,
never@1445	920	frame* caller,
never@1445	921	frame* interpreter_frame,
never@1445	922	bool is_top_frame) {
never@1445	923	assert(popframe_extra_args == 0, "what to do?");
never@1445	924	assert(!is_top_frame || (!callee_locals && !callee_param_count),
twisti@1960	925	"top frame should have no caller");
never@1445	926
never@1445	927	// This code must exactly match what InterpreterFrame::build
never@1445	928	// does (the full InterpreterFrame::build, that is, not the
never@1445	929	// one that creates empty frames for the deoptimizer).
never@1445	930	//
never@1445	931	// If interpreter_frame is not NULL then it will be filled in.
never@1445	932	// It's size is determined by a previous call to this method,
never@1445	933	// so it should be correct.
never@1445	934	//
never@1445	935	// Note that tempcount is the current size of the expression
never@1445	936	// stack. For top most frames we will allocate a full sized
never@1445	937	// expression stack and not the trimmed version that non-top
never@1445	938	// frames have.
never@1445	939
never@1445	940	int header_words = InterpreterFrame::header_words;
never@1445	941	int monitor_words = moncount * frame::interpreter_frame_monitor_size();
never@1445	942	int stack_words = is_top_frame ? method->max_stack() : tempcount;
never@1445	943	int callee_extra_locals = callee_locals - callee_param_count;
never@1445	944
never@1445	945	if (interpreter_frame) {
twisti@1860	946	intptr_t *locals = interpreter_frame->fp() + method->max_locals();
never@1445	947	interpreterState istate = interpreter_frame->get_interpreterState();
never@1445	948	intptr_t *monitor_base = (intptr_t*) istate;
never@1445	949	intptr_t *stack_base = monitor_base - monitor_words;
never@1445	950	intptr_t *stack = stack_base - tempcount - 1;
never@1445	951
never@1445	952	BytecodeInterpreter::layout_interpreterState(istate,
never@1445	953	caller,
never@1445	954	NULL,
never@1445	955	method,
never@1445	956	locals,
never@1445	957	stack,
never@1445	958	stack_base,
never@1445	959	monitor_base,
never@1445	960	NULL,
never@1445	961	is_top_frame);
never@1445	962	}
never@1445	963	return header_words + monitor_words + stack_words + callee_extra_locals;
never@1445	964	}
never@1445	965
never@1445	966	void BytecodeInterpreter::layout_interpreterState(interpreterState istate,
never@1445	967	frame* caller,
never@1445	968	frame* current,
coleenp@4037	969	Method* method,
never@1445	970	intptr_t* locals,
never@1445	971	intptr_t* stack,
never@1445	972	intptr_t* stack_base,
never@1445	973	intptr_t* monitor_base,
never@1445	974	intptr_t* frame_bottom,
never@1445	975	bool is_top_frame) {
never@1445	976	istate->set_locals(locals);
never@1445	977	istate->set_method(method);
never@1445	978	istate->set_self_link(istate);
never@1445	979	istate->set_prev_link(NULL);
never@1445	980	// thread will be set by a hacky repurposing of frame::patch_pc()
never@1445	981	// bcp will be set by vframeArrayElement::unpack_on_stack()
never@1445	982	istate->set_constants(method->constants()->cache());
never@1445	983	istate->set_msg(BytecodeInterpreter::method_resume);
never@1445	984	istate->set_bcp_advance(0);
never@1445	985	istate->set_oop_temp(NULL);
never@1445	986	istate->set_mdx(NULL);
never@1445	987	if (caller->is_interpreted_frame()) {
never@1445	988	interpreterState prev = caller->get_interpreterState();
never@1445	989	prev->set_callee(method);
never@1445	990	if (*prev->bcp() == Bytecodes::_invokeinterface)
never@1445	991	prev->set_bcp_advance(5);
never@1445	992	else
never@1445	993	prev->set_bcp_advance(3);
never@1445	994	}
never@1445	995	istate->set_callee(NULL);
never@1445	996	istate->set_monitor_base((BasicObjectLock *) monitor_base);
never@1445	997	istate->set_stack_base(stack_base);
never@1445	998	istate->set_stack(stack);
never@1445	999	istate->set_stack_limit(stack_base - method->max_stack() - 1);
never@1445	1000	}
never@1445	1001
never@1445	1002	address CppInterpreter::return_entry(TosState state, int length) {
never@1445	1003	ShouldNotCallThis();
never@1445	1004	}
never@1445	1005
never@1445	1006	address CppInterpreter::deopt_entry(TosState state, int length) {
never@1445	1007	return NULL;
never@1445	1008	}
never@1445	1009
never@1445	1010	// Helper for (runtime) stack overflow checks
never@1445	1011
coleenp@4037	1012	int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
never@1445	1013	return 0;
never@1445	1014	}
never@1445	1015
never@1445	1016	// Helper for figuring out if frames are interpreter frames
never@1445	1017
never@1445	1018	bool CppInterpreter::contains(address pc) {
never@1445	1019	return false; // make frame::print_value_on work
never@1445	1020	}
never@1445	1021
never@1445	1022	// Result handlers and convertors
never@1445	1023
never@1445	1024	address CppInterpreterGenerator::generate_result_handler_for(
never@1445	1025	BasicType type) {
never@1445	1026	assembler()->advance(1);
never@1445	1027	return ShouldNotCallThisStub();
never@1445	1028	}
never@1445	1029
never@1445	1030	address CppInterpreterGenerator::generate_tosca_to_stack_converter(
never@1445	1031	BasicType type) {
never@1445	1032	assembler()->advance(1);
never@1445	1033	return ShouldNotCallThisStub();
never@1445	1034	}
never@1445	1035
never@1445	1036	address CppInterpreterGenerator::generate_stack_to_stack_converter(
never@1445	1037	BasicType type) {
never@1445	1038	assembler()->advance(1);
never@1445	1039	return ShouldNotCallThisStub();
never@1445	1040	}
never@1445	1041
never@1445	1042	address CppInterpreterGenerator::generate_stack_to_native_abi_converter(
never@1445	1043	BasicType type) {
never@1445	1044	assembler()->advance(1);
never@1445	1045	return ShouldNotCallThisStub();
never@1445	1046	}
never@1445	1047
never@1445	1048	#endif // CC_INTERP