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src/cpu/zero/vm/cppInterpreter_zero.cpp@f95d63e2154a (annotated)

src/cpu/zero/vm/cppInterpreter_zero.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 1960

d179e225c164

child 2658

c7f3d0b4570f

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

never@1445	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
kvn@1691	3	* Copyright 2007, 2008, 2009, 2010 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"
stefank@2314	34	#include "oops/methodDataOop.hpp"
stefank@2314	35	#include "oops/methodOop.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"
stefank@2314	50	#ifdef SHARK
stefank@2314	51	#include "shark/shark_globals.hpp"
stefank@2314	52	#endif
never@1445	53
never@1445	54	#ifdef CC_INTERP
never@1445	55
never@1445	56	#define fixup_after_potential_safepoint() \
never@1445	57	method = istate->method()
never@1445	58
never@1445	59	#define CALL_VM_NOCHECK(func) \
never@1445	60	thread->set_last_Java_frame(); \
never@1445	61	func; \
never@1445	62	thread->reset_last_Java_frame(); \
never@1445	63	fixup_after_potential_safepoint()
never@1445	64
twisti@1869	65	int CppInterpreter::normal_entry(methodOop method, intptr_t UNUSED, TRAPS) {
never@1445	66	JavaThread *thread = (JavaThread *) THREAD;
never@1445	67
never@1445	68	// Allocate and initialize our frame.
twisti@1869	69	InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
never@1445	70	thread->push_zero_frame(frame);
never@1445	71
never@1445	72	// Execute those bytecodes!
never@1445	73	main_loop(0, THREAD);
twisti@1869	74
twisti@1869	75	// No deoptimized frames on the stack
twisti@1869	76	return 0;
never@1445	77	}
never@1445	78
never@1445	79	void CppInterpreter::main_loop(int recurse, TRAPS) {
never@1445	80	JavaThread *thread = (JavaThread *) THREAD;
never@1445	81	ZeroStack *stack = thread->zero_stack();
never@1445	82
never@1445	83	// If we are entering from a deopt we may need to call
never@1445	84	// ourself a few times in order to get to our frame.
never@1445	85	if (recurse)
never@1445	86	main_loop(recurse - 1, THREAD);
never@1445	87
never@1445	88	InterpreterFrame *frame = thread->top_zero_frame()->as_interpreter_frame();
never@1445	89	interpreterState istate = frame->interpreter_state();
never@1445	90	methodOop method = istate->method();
never@1445	91
never@1445	92	intptr_t *result = NULL;
never@1445	93	int result_slots = 0;
never@1445	94
never@1445	95	while (true) {
never@1445	96	// We can set up the frame anchor with everything we want at
never@1445	97	// this point as we are thread_in_Java and no safepoints can
never@1445	98	// occur until we go to vm mode. We do have to clear flags
never@1445	99	// on return from vm but that is it.
never@1445	100	thread->set_last_Java_frame();
never@1445	101
never@1445	102	// Call the interpreter
never@1445	103	if (JvmtiExport::can_post_interpreter_events())
never@1445	104	BytecodeInterpreter::runWithChecks(istate);
never@1445	105	else
never@1445	106	BytecodeInterpreter::run(istate);
never@1445	107	fixup_after_potential_safepoint();
never@1445	108
never@1445	109	// Clear the frame anchor
never@1445	110	thread->reset_last_Java_frame();
never@1445	111
never@1445	112	// Examine the message from the interpreter to decide what to do
never@1445	113	if (istate->msg() == BytecodeInterpreter::call_method) {
never@1445	114	methodOop callee = istate->callee();
never@1445	115
never@1445	116	// Trim back the stack to put the parameters at the top
never@1445	117	stack->set_sp(istate->stack() + 1);
never@1445	118
never@1445	119	// Make the call
never@1445	120	Interpreter::invoke_method(callee, istate->callee_entry_point(), THREAD);
never@1445	121	fixup_after_potential_safepoint();
never@1445	122
never@1445	123	// Convert the result
never@1445	124	istate->set_stack(stack->sp() - 1);
never@1445	125
never@1445	126	// Restore the stack
never@1445	127	stack->set_sp(istate->stack_limit() + 1);
never@1445	128
never@1445	129	// Resume the interpreter
never@1445	130	istate->set_msg(BytecodeInterpreter::method_resume);
never@1445	131	}
never@1445	132	else if (istate->msg() == BytecodeInterpreter::more_monitors) {
never@1445	133	int monitor_words = frame::interpreter_frame_monitor_size();
never@1445	134
never@1445	135	// Allocate the space
twisti@1814	136	stack->overflow_check(monitor_words, THREAD);
twisti@1814	137	if (HAS_PENDING_EXCEPTION)
twisti@1814	138	break;
never@1445	139	stack->alloc(monitor_words * wordSize);
never@1445	140
never@1445	141	// Move the expression stack contents
never@1445	142	for (intptr_t *p = istate->stack() + 1; p < istate->stack_base(); p++)
never@1445	143	*(p - monitor_words) = *p;
never@1445	144
never@1445	145	// Move the expression stack pointers
never@1445	146	istate->set_stack_limit(istate->stack_limit() - monitor_words);
never@1445	147	istate->set_stack(istate->stack() - monitor_words);
never@1445	148	istate->set_stack_base(istate->stack_base() - monitor_words);
never@1445	149
never@1445	150	// Zero the new monitor so the interpreter can find it.
never@1445	151	((BasicObjectLock *) istate->stack_base())->set_obj(NULL);
never@1445	152
never@1445	153	// Resume the interpreter
never@1445	154	istate->set_msg(BytecodeInterpreter::got_monitors);
never@1445	155	}
never@1445	156	else if (istate->msg() == BytecodeInterpreter::return_from_method) {
never@1445	157	// Copy the result into the caller's frame
kvn@1691	158	result_slots = type2size[result_type_of(method)];
never@1445	159	assert(result_slots >= 0 && result_slots <= 2, "what?");
never@1445	160	result = istate->stack() + result_slots;
never@1445	161	break;
never@1445	162	}
never@1445	163	else if (istate->msg() == BytecodeInterpreter::throwing_exception) {
never@1445	164	assert(HAS_PENDING_EXCEPTION, "should do");
never@1445	165	break;
never@1445	166	}
never@1445	167	else if (istate->msg() == BytecodeInterpreter::do_osr) {
never@1445	168	// Unwind the current frame
never@1445	169	thread->pop_zero_frame();
never@1445	170
never@1445	171	// Remove any extension of the previous frame
never@1445	172	int extra_locals = method->max_locals() - method->size_of_parameters();
never@1445	173	stack->set_sp(stack->sp() + extra_locals);
never@1445	174
never@1445	175	// Jump into the OSR method
never@1445	176	Interpreter::invoke_osr(
never@1445	177	method, istate->osr_entry(), istate->osr_buf(), THREAD);
never@1445	178	return;
never@1445	179	}
never@1445	180	else {
never@1445	181	ShouldNotReachHere();
never@1445	182	}
never@1445	183	}
never@1445	184
never@1445	185	// Unwind the current frame
never@1445	186	thread->pop_zero_frame();
never@1445	187
never@1445	188	// Pop our local variables
never@1445	189	stack->set_sp(stack->sp() + method->max_locals());
never@1445	190
never@1445	191	// Push our result
never@1445	192	for (int i = 0; i < result_slots; i++)
never@1445	193	stack->push(result[-i]);
never@1445	194	}
never@1445	195
twisti@1869	196	int CppInterpreter::native_entry(methodOop method, intptr_t UNUSED, TRAPS) {
never@1445	197	// Make sure method is native and not abstract
never@1445	198	assert(method->is_native() && !method->is_abstract(), "should be");
never@1445	199
never@1445	200	JavaThread *thread = (JavaThread *) THREAD;
never@1445	201	ZeroStack *stack = thread->zero_stack();
never@1445	202
never@1445	203	// Allocate and initialize our frame
twisti@1869	204	InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
never@1445	205	thread->push_zero_frame(frame);
never@1445	206	interpreterState istate = frame->interpreter_state();
never@1445	207	intptr_t *locals = istate->locals();
never@1445	208
twisti@1513	209	// Update the invocation counter
twisti@1513	210	if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) {
twisti@1513	211	InvocationCounter *counter = method->invocation_counter();
twisti@1513	212	counter->increment();
twisti@1513	213	if (counter->reached_InvocationLimit()) {
twisti@1513	214	CALL_VM_NOCHECK(
twisti@1513	215	InterpreterRuntime::frequency_counter_overflow(thread, NULL));
twisti@1513	216	if (HAS_PENDING_EXCEPTION)
twisti@1513	217	goto unwind_and_return;
twisti@1513	218	}
twisti@1513	219	}
twisti@1513	220
never@1445	221	// Lock if necessary
never@1445	222	BasicObjectLock *monitor;
never@1445	223	monitor = NULL;
never@1445	224	if (method->is_synchronized()) {
never@1445	225	monitor = (BasicObjectLock*) istate->stack_base();
never@1445	226	oop lockee = monitor->obj();
never@1445	227	markOop disp = lockee->mark()->set_unlocked();
never@1445	228
never@1445	229	monitor->lock()->set_displaced_header(disp);
never@1445	230	if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) {
never@1445	231	if (thread->is_lock_owned((address) disp->clear_lock_bits())) {
never@1445	232	monitor->lock()->set_displaced_header(NULL);
never@1445	233	}
never@1445	234	else {
never@1445	235	CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor));
never@1445	236	if (HAS_PENDING_EXCEPTION)
never@1445	237	goto unwind_and_return;
never@1445	238	}
never@1445	239	}
never@1445	240	}
never@1445	241
never@1445	242	// Get the signature handler
never@1445	243	InterpreterRuntime::SignatureHandler *handler; {
never@1445	244	address handlerAddr = method->signature_handler();
never@1445	245	if (handlerAddr == NULL) {
never@1445	246	CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method));
never@1445	247	if (HAS_PENDING_EXCEPTION)
never@1574	248	goto unlock_unwind_and_return;
never@1445	249
never@1445	250	handlerAddr = method->signature_handler();
never@1445	251	assert(handlerAddr != NULL, "eh?");
never@1445	252	}
never@1445	253	if (handlerAddr == (address) InterpreterRuntime::slow_signature_handler) {
never@1445	254	CALL_VM_NOCHECK(handlerAddr =
never@1445	255	InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL));
never@1445	256	if (HAS_PENDING_EXCEPTION)
never@1574	257	goto unlock_unwind_and_return;
never@1445	258	}
never@1445	259	handler = \
never@1445	260	InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr);
never@1445	261	}
never@1445	262
never@1445	263	// Get the native function entry point
never@1445	264	address function;
never@1445	265	function = method->native_function();
never@1445	266	assert(function != NULL, "should be set if signature handler is");
never@1445	267
never@1445	268	// Build the argument list
twisti@1814	269	stack->overflow_check(handler->argument_count() * 2, THREAD);
twisti@1814	270	if (HAS_PENDING_EXCEPTION)
twisti@1814	271	goto unlock_unwind_and_return;
twisti@1814	272
never@1445	273	void **arguments;
never@1445	274	void *mirror; {
never@1445	275	arguments =
never@1445	276	(void **) stack->alloc(handler->argument_count() * sizeof(void **));
never@1445	277	void **dst = arguments;
never@1445	278
never@1445	279	void *env = thread->jni_environment();
never@1445	280	*(dst++) = &env;
never@1445	281
never@1445	282	if (method->is_static()) {
never@1445	283	istate->set_oop_temp(
never@1445	284	method->constants()->pool_holder()->klass_part()->java_mirror());
never@1445	285	mirror = istate->oop_temp_addr();
never@1445	286	*(dst++) = &mirror;
never@1445	287	}
never@1445	288
never@1445	289	intptr_t *src = locals;
never@1445	290	for (int i = dst - arguments; i < handler->argument_count(); i++) {
never@1445	291	ffi_type *type = handler->argument_type(i);
never@1445	292	if (type == &ffi_type_pointer) {
never@1445	293	if (*src) {
never@1445	294	stack->push((intptr_t) src);
never@1445	295	*(dst++) = stack->sp();
never@1445	296	}
never@1445	297	else {
never@1445	298	*(dst++) = src;
never@1445	299	}
never@1445	300	src--;
never@1445	301	}
never@1445	302	else if (type->size == 4) {
never@1445	303	*(dst++) = src--;
never@1445	304	}
never@1445	305	else if (type->size == 8) {
never@1445	306	src--;
never@1445	307	*(dst++) = src--;
never@1445	308	}
never@1445	309	else {
never@1445	310	ShouldNotReachHere();
never@1445	311	}
never@1445	312	}
never@1445	313	}
never@1445	314
never@1445	315	// Set up the Java frame anchor
never@1445	316	thread->set_last_Java_frame();
never@1445	317
never@1445	318	// Change the thread state to _thread_in_native
never@1445	319	ThreadStateTransition::transition_from_java(thread, _thread_in_native);
never@1445	320
never@1445	321	// Make the call
never@1445	322	intptr_t result[4 - LogBytesPerWord];
never@1445	323	ffi_call(handler->cif(), (void (*)()) function, result, arguments);
never@1445	324
never@1445	325	// Change the thread state back to _thread_in_Java.
never@1445	326	// ThreadStateTransition::transition_from_native() cannot be used
never@1445	327	// here because it does not check for asynchronous exceptions.
never@1445	328	// We have to manage the transition ourself.
never@1445	329	thread->set_thread_state(_thread_in_native_trans);
never@1445	330
never@1445	331	// Make sure new state is visible in the GC thread
never@1445	332	if (os::is_MP()) {
never@1445	333	if (UseMembar) {
never@1445	334	OrderAccess::fence();
never@1445	335	}
never@1445	336	else {
never@1445	337	InterfaceSupport::serialize_memory(thread);
never@1445	338	}
never@1445	339	}
never@1445	340
never@1445	341	// Handle safepoint operations, pending suspend requests,
never@1445	342	// and pending asynchronous exceptions.
never@1445	343	if (SafepointSynchronize::do_call_back() ||
never@1445	344	thread->has_special_condition_for_native_trans()) {
never@1445	345	JavaThread::check_special_condition_for_native_trans(thread);
never@1445	346	CHECK_UNHANDLED_OOPS_ONLY(thread->clear_unhandled_oops());
never@1445	347	}
never@1445	348
never@1445	349	// Finally we can change the thread state to _thread_in_Java.
never@1445	350	thread->set_thread_state(_thread_in_Java);
never@1445	351	fixup_after_potential_safepoint();
never@1445	352
never@1445	353	// Clear the frame anchor
never@1445	354	thread->reset_last_Java_frame();
never@1445	355
never@1445	356	// If the result was an oop then unbox it and store it in
never@1445	357	// oop_temp where the garbage collector can see it before
never@1445	358	// we release the handle it might be protected by.
never@1445	359	if (handler->result_type() == &ffi_type_pointer) {
never@1445	360	if (result[0])
never@1445	361	istate->set_oop_temp(*(oop *) result[0]);
never@1445	362	else
never@1445	363	istate->set_oop_temp(NULL);
never@1445	364	}
never@1445	365
never@1445	366	// Reset handle block
never@1445	367	thread->active_handles()->clear();
never@1445	368
never@1574	369	unlock_unwind_and_return:
never@1574	370
never@1574	371	// Unlock if necessary
never@1574	372	if (monitor) {
never@1445	373	BasicLock *lock = monitor->lock();
never@1445	374	markOop header = lock->displaced_header();
never@1445	375	oop rcvr = monitor->obj();
never@1445	376	monitor->set_obj(NULL);
never@1445	377
never@1445	378	if (header != NULL) {
never@1445	379	if (Atomic::cmpxchg_ptr(header, rcvr->mark_addr(), lock) != lock) {
never@1445	380	monitor->set_obj(rcvr); {
never@1445	381	HandleMark hm(thread);
never@1445	382	CALL_VM_NOCHECK(InterpreterRuntime::monitorexit(thread, monitor));
never@1445	383	}
never@1445	384	}
never@1445	385	}
never@1445	386	}
never@1445	387
never@1445	388	unwind_and_return:
never@1445	389
never@1445	390	// Unwind the current activation
never@1445	391	thread->pop_zero_frame();
never@1445	392
never@1445	393	// Pop our parameters
never@1445	394	stack->set_sp(stack->sp() + method->size_of_parameters());
never@1445	395
never@1445	396	// Push our result
never@1445	397	if (!HAS_PENDING_EXCEPTION) {
kvn@1691	398	BasicType type = result_type_of(method);
kvn@1691	399	stack->set_sp(stack->sp() - type2size[type]);
never@1445	400
kvn@1691	401	switch (type) {
never@1445	402	case T_VOID:
never@1445	403	break;
never@1445	404
never@1445	405	case T_BOOLEAN:
never@1445	406	#ifndef VM_LITTLE_ENDIAN
never@1445	407	result[0] <<= (BitsPerWord - BitsPerByte);
never@1445	408	#endif
never@1445	409	SET_LOCALS_INT(*(jboolean *) result != 0, 0);
never@1445	410	break;
never@1445	411
never@1445	412	case T_CHAR:
never@1445	413	#ifndef VM_LITTLE_ENDIAN
never@1445	414	result[0] <<= (BitsPerWord - BitsPerShort);
never@1445	415	#endif
never@1445	416	SET_LOCALS_INT(*(jchar *) result, 0);
never@1445	417	break;
never@1445	418
never@1445	419	case T_BYTE:
never@1445	420	#ifndef VM_LITTLE_ENDIAN
never@1445	421	result[0] <<= (BitsPerWord - BitsPerByte);
never@1445	422	#endif
never@1445	423	SET_LOCALS_INT(*(jbyte *) result, 0);
never@1445	424	break;
never@1445	425
never@1445	426	case T_SHORT:
never@1445	427	#ifndef VM_LITTLE_ENDIAN
never@1445	428	result[0] <<= (BitsPerWord - BitsPerShort);
never@1445	429	#endif
never@1445	430	SET_LOCALS_INT(*(jshort *) result, 0);
never@1445	431	break;
never@1445	432
never@1445	433	case T_INT:
never@1445	434	#ifndef VM_LITTLE_ENDIAN
never@1445	435	result[0] <<= (BitsPerWord - BitsPerInt);
never@1445	436	#endif
never@1445	437	SET_LOCALS_INT(*(jint *) result, 0);
never@1445	438	break;
never@1445	439
never@1445	440	case T_LONG:
never@1445	441	SET_LOCALS_LONG(*(jlong *) result, 0);
never@1445	442	break;
never@1445	443
never@1445	444	case T_FLOAT:
never@1445	445	SET_LOCALS_FLOAT(*(jfloat *) result, 0);
never@1445	446	break;
never@1445	447
never@1445	448	case T_DOUBLE:
never@1445	449	SET_LOCALS_DOUBLE(*(jdouble *) result, 0);
never@1445	450	break;
never@1445	451
never@1445	452	case T_OBJECT:
never@1445	453	case T_ARRAY:
never@1445	454	SET_LOCALS_OBJECT(istate->oop_temp(), 0);
never@1445	455	break;
never@1445	456
never@1445	457	default:
never@1445	458	ShouldNotReachHere();
never@1445	459	}
never@1445	460	}
twisti@1869	461
twisti@1869	462	// No deoptimized frames on the stack
twisti@1869	463	return 0;
never@1445	464	}
never@1445	465
twisti@1869	466	int CppInterpreter::accessor_entry(methodOop method, intptr_t UNUSED, TRAPS) {
never@1445	467	JavaThread *thread = (JavaThread *) THREAD;
never@1445	468	ZeroStack *stack = thread->zero_stack();
never@1445	469	intptr_t *locals = stack->sp();
never@1445	470
never@1445	471	// Drop into the slow path if we need a safepoint check
never@1445	472	if (SafepointSynchronize::do_call_back()) {
twisti@1869	473	return normal_entry(method, 0, THREAD);
never@1445	474	}
never@1445	475
never@1445	476	// Load the object pointer and drop into the slow path
never@1445	477	// if we have a NullPointerException
never@1445	478	oop object = LOCALS_OBJECT(0);
never@1445	479	if (object == NULL) {
twisti@1869	480	return normal_entry(method, 0, THREAD);
never@1445	481	}
never@1445	482
never@1445	483	// Read the field index from the bytecode, which looks like this:
never@1445	484	// 0: aload_0
never@1445	485	// 1: getfield
never@1445	486	// 2: index
never@1445	487	// 3: index
never@1445	488	// 4: ireturn/areturn
never@1445	489	// NB this is not raw bytecode: index is in machine order
never@1445	490	u1 *code = method->code_base();
never@1445	491	assert(code[0] == Bytecodes::_aload_0 &&
never@1445	492	code[1] == Bytecodes::_getfield &&
never@1445	493	(code[4] == Bytecodes::_ireturn ||
never@1445	494	code[4] == Bytecodes::_areturn), "should do");
never@1445	495	u2 index = Bytes::get_native_u2(&code[2]);
never@1445	496
never@1445	497	// Get the entry from the constant pool cache, and drop into
never@1445	498	// the slow path if it has not been resolved
never@1445	499	constantPoolCacheOop cache = method->constants()->cache();
never@1445	500	ConstantPoolCacheEntry* entry = cache->entry_at(index);
never@1445	501	if (!entry->is_resolved(Bytecodes::_getfield)) {
twisti@1869	502	return normal_entry(method, 0, THREAD);
never@1445	503	}
never@1445	504
never@1445	505	// Get the result and push it onto the stack
never@1445	506	switch (entry->flag_state()) {
never@1445	507	case ltos:
never@1445	508	case dtos:
twisti@1869	509	stack->overflow_check(1, CHECK_0);
never@1445	510	stack->alloc(wordSize);
never@1445	511	break;
never@1445	512	}
never@1445	513	if (entry->is_volatile()) {
never@1445	514	switch (entry->flag_state()) {
never@1445	515	case ctos:
never@1445	516	SET_LOCALS_INT(object->char_field_acquire(entry->f2()), 0);
never@1445	517	break;
never@1445	518
never@1445	519	case btos:
never@1445	520	SET_LOCALS_INT(object->byte_field_acquire(entry->f2()), 0);
never@1445	521	break;
never@1445	522
never@1445	523	case stos:
never@1445	524	SET_LOCALS_INT(object->short_field_acquire(entry->f2()), 0);
never@1445	525	break;
never@1445	526
never@1445	527	case itos:
never@1445	528	SET_LOCALS_INT(object->int_field_acquire(entry->f2()), 0);
never@1445	529	break;
never@1445	530
never@1445	531	case ltos:
never@1445	532	SET_LOCALS_LONG(object->long_field_acquire(entry->f2()), 0);
never@1445	533	break;
never@1445	534
never@1445	535	case ftos:
never@1445	536	SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2()), 0);
never@1445	537	break;
never@1445	538
never@1445	539	case dtos:
never@1445	540	SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2()), 0);
never@1445	541	break;
never@1445	542
never@1445	543	case atos:
never@1445	544	SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2()), 0);
never@1445	545	break;
never@1445	546
never@1445	547	default:
never@1445	548	ShouldNotReachHere();
never@1445	549	}
never@1445	550	}
never@1445	551	else {
never@1445	552	switch (entry->flag_state()) {
never@1445	553	case ctos:
never@1445	554	SET_LOCALS_INT(object->char_field(entry->f2()), 0);
never@1445	555	break;
never@1445	556
never@1445	557	case btos:
never@1445	558	SET_LOCALS_INT(object->byte_field(entry->f2()), 0);
never@1445	559	break;
never@1445	560
never@1445	561	case stos:
never@1445	562	SET_LOCALS_INT(object->short_field(entry->f2()), 0);
never@1445	563	break;
never@1445	564
never@1445	565	case itos:
never@1445	566	SET_LOCALS_INT(object->int_field(entry->f2()), 0);
never@1445	567	break;
never@1445	568
never@1445	569	case ltos:
never@1445	570	SET_LOCALS_LONG(object->long_field(entry->f2()), 0);
never@1445	571	break;
never@1445	572
never@1445	573	case ftos:
never@1445	574	SET_LOCALS_FLOAT(object->float_field(entry->f2()), 0);
never@1445	575	break;
never@1445	576
never@1445	577	case dtos:
never@1445	578	SET_LOCALS_DOUBLE(object->double_field(entry->f2()), 0);
never@1445	579	break;
never@1445	580
never@1445	581	case atos:
never@1445	582	SET_LOCALS_OBJECT(object->obj_field(entry->f2()), 0);
never@1445	583	break;
never@1445	584
never@1445	585	default:
never@1445	586	ShouldNotReachHere();
never@1445	587	}
never@1445	588	}
twisti@1869	589
twisti@1869	590	// No deoptimized frames on the stack
twisti@1869	591	return 0;
never@1445	592	}
never@1445	593
twisti@1869	594	int CppInterpreter::empty_entry(methodOop method, intptr_t UNUSED, TRAPS) {
never@1445	595	JavaThread *thread = (JavaThread *) THREAD;
never@1445	596	ZeroStack *stack = thread->zero_stack();
never@1445	597
never@1445	598	// Drop into the slow path if we need a safepoint check
never@1445	599	if (SafepointSynchronize::do_call_back()) {
twisti@1869	600	return normal_entry(method, 0, THREAD);
never@1445	601	}
never@1445	602
never@1445	603	// Pop our parameters
never@1445	604	stack->set_sp(stack->sp() + method->size_of_parameters());
twisti@1869	605
twisti@1869	606	// No deoptimized frames on the stack
twisti@1869	607	return 0;
never@1445	608	}
never@1445	609
twisti@1814	610	InterpreterFrame *InterpreterFrame::build(const methodOop method, TRAPS) {
twisti@1814	611	JavaThread *thread = (JavaThread *) THREAD;
twisti@1814	612	ZeroStack *stack = thread->zero_stack();
twisti@1814	613
twisti@1814	614	// Calculate the size of the frame we'll build, including
twisti@1814	615	// any adjustments to the caller's frame that we'll make.
twisti@1814	616	int extra_locals = 0;
twisti@1814	617	int monitor_words = 0;
twisti@1814	618	int stack_words = 0;
twisti@1814	619
twisti@1814	620	if (!method->is_native()) {
twisti@1814	621	extra_locals = method->max_locals() - method->size_of_parameters();
twisti@1814	622	stack_words = method->max_stack();
never@1445	623	}
twisti@1814	624	if (method->is_synchronized()) {
twisti@1814	625	monitor_words = frame::interpreter_frame_monitor_size();
twisti@1814	626	}
twisti@1814	627	stack->overflow_check(
twisti@1814	628	extra_locals + header_words + monitor_words + stack_words, CHECK_NULL);
never@1445	629
twisti@1814	630	// Adjust the caller's stack frame to accomodate any additional
twisti@1814	631	// local variables we have contiguously with our parameters.
twisti@1814	632	for (int i = 0; i < extra_locals; i++)
twisti@1814	633	stack->push(0);
never@1445	634
never@1445	635	intptr_t *locals;
never@1445	636	if (method->is_native())
never@1445	637	locals = stack->sp() + (method->size_of_parameters() - 1);
never@1445	638	else
never@1445	639	locals = stack->sp() + (method->max_locals() - 1);
never@1445	640
never@1445	641	stack->push(0); // next_frame, filled in later
never@1445	642	intptr_t *fp = stack->sp();
never@1445	643	assert(fp - stack->sp() == next_frame_off, "should be");
never@1445	644
never@1445	645	stack->push(INTERPRETER_FRAME);
never@1445	646	assert(fp - stack->sp() == frame_type_off, "should be");
never@1445	647
never@1445	648	interpreterState istate =
never@1445	649	(interpreterState) stack->alloc(sizeof(BytecodeInterpreter));
never@1445	650	assert(fp - stack->sp() == istate_off, "should be");
never@1445	651
never@1445	652	istate->set_locals(locals);
never@1445	653	istate->set_method(method);
never@1445	654	istate->set_self_link(istate);
never@1445	655	istate->set_prev_link(NULL);
never@1445	656	istate->set_thread(thread);
never@1445	657	istate->set_bcp(method->is_native() ? NULL : method->code_base());
never@1445	658	istate->set_constants(method->constants()->cache());
never@1445	659	istate->set_msg(BytecodeInterpreter::method_entry);
never@1445	660	istate->set_oop_temp(NULL);
never@1445	661	istate->set_mdx(NULL);
never@1445	662	istate->set_callee(NULL);
never@1445	663
never@1445	664	istate->set_monitor_base((BasicObjectLock *) stack->sp());
never@1445	665	if (method->is_synchronized()) {
never@1445	666	BasicObjectLock *monitor =
never@1445	667	(BasicObjectLock *) stack->alloc(monitor_words * wordSize);
never@1445	668	oop object;
never@1445	669	if (method->is_static())
never@1445	670	object = method->constants()->pool_holder()->klass_part()->java_mirror();
never@1445	671	else
never@1445	672	object = (oop) locals[0];
never@1445	673	monitor->set_obj(object);
never@1445	674	}
never@1445	675
never@1445	676	istate->set_stack_base(stack->sp());
never@1445	677	istate->set_stack(stack->sp() - 1);
never@1445	678	if (stack_words)
never@1445	679	stack->alloc(stack_words * wordSize);
never@1445	680	istate->set_stack_limit(stack->sp() - 1);
never@1445	681
never@1445	682	return (InterpreterFrame *) fp;
never@1445	683	}
never@1445	684
never@1445	685	int AbstractInterpreter::BasicType_as_index(BasicType type) {
never@1445	686	int i = 0;
never@1445	687	switch (type) {
never@1445	688	case T_BOOLEAN: i = 0; break;
never@1445	689	case T_CHAR : i = 1; break;
never@1445	690	case T_BYTE : i = 2; break;
never@1445	691	case T_SHORT : i = 3; break;
never@1445	692	case T_INT : i = 4; break;
never@1445	693	case T_LONG : i = 5; break;
never@1445	694	case T_VOID : i = 6; break;
never@1445	695	case T_FLOAT : i = 7; break;
never@1445	696	case T_DOUBLE : i = 8; break;
never@1445	697	case T_OBJECT : i = 9; break;
never@1445	698	case T_ARRAY : i = 9; break;
never@1445	699	default : ShouldNotReachHere();
never@1445	700	}
never@1445	701	assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
never@1445	702	"index out of bounds");
never@1445	703	return i;
never@1445	704	}
never@1445	705
kvn@1691	706	BasicType CppInterpreter::result_type_of(methodOop method) {
kvn@1691	707	BasicType t;
kvn@1691	708	switch (method->result_index()) {
kvn@1691	709	case 0 : t = T_BOOLEAN; break;
kvn@1691	710	case 1 : t = T_CHAR; break;
kvn@1691	711	case 2 : t = T_BYTE; break;
kvn@1691	712	case 3 : t = T_SHORT; break;
kvn@1691	713	case 4 : t = T_INT; break;
kvn@1691	714	case 5 : t = T_LONG; break;
kvn@1691	715	case 6 : t = T_VOID; break;
kvn@1691	716	case 7 : t = T_FLOAT; break;
kvn@1691	717	case 8 : t = T_DOUBLE; break;
kvn@1691	718	case 9 : t = T_OBJECT; break;
kvn@1691	719	default: ShouldNotReachHere();
kvn@1691	720	}
kvn@1691	721	assert(AbstractInterpreter::BasicType_as_index(t) == method->result_index(),
kvn@1691	722	"out of step with AbstractInterpreter::BasicType_as_index");
kvn@1691	723	return t;
kvn@1691	724	}
kvn@1691	725
never@1445	726	address InterpreterGenerator::generate_empty_entry() {
never@1445	727	if (!UseFastEmptyMethods)
never@1445	728	return NULL;
never@1445	729
never@1445	730	return generate_entry((address) CppInterpreter::empty_entry);
never@1445	731	}
never@1445	732
never@1445	733	address InterpreterGenerator::generate_accessor_entry() {
never@1445	734	if (!UseFastAccessorMethods)
never@1445	735	return NULL;
never@1445	736
never@1445	737	return generate_entry((address) CppInterpreter::accessor_entry);
never@1445	738	}
never@1445	739
never@1445	740	address InterpreterGenerator::generate_native_entry(bool synchronized) {
never@1445	741	assert(synchronized == false, "should be");
never@1445	742
never@1445	743	return generate_entry((address) CppInterpreter::native_entry);
never@1445	744	}
never@1445	745
never@1445	746	address InterpreterGenerator::generate_normal_entry(bool synchronized) {
never@1445	747	assert(synchronized == false, "should be");
never@1445	748
never@1445	749	return generate_entry((address) CppInterpreter::normal_entry);
never@1445	750	}
never@1445	751
never@1445	752	address AbstractInterpreterGenerator::generate_method_entry(
never@1445	753	AbstractInterpreter::MethodKind kind) {
never@1445	754	address entry_point = NULL;
never@1445	755
never@1445	756	switch (kind) {
never@1445	757	case Interpreter::zerolocals:
never@1445	758	case Interpreter::zerolocals_synchronized:
never@1445	759	break;
never@1445	760
never@1445	761	case Interpreter::native:
never@1445	762	entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false);
never@1445	763	break;
never@1445	764
never@1445	765	case Interpreter::native_synchronized:
never@1445	766	entry_point = ((InterpreterGenerator*) this)->generate_native_entry(false);
never@1445	767	break;
never@1445	768
never@1445	769	case Interpreter::empty:
never@1445	770	entry_point = ((InterpreterGenerator*) this)->generate_empty_entry();
never@1445	771	break;
never@1445	772
never@1445	773	case Interpreter::accessor:
never@1445	774	entry_point = ((InterpreterGenerator*) this)->generate_accessor_entry();
never@1445	775	break;
never@1445	776
never@1445	777	case Interpreter::abstract:
never@1445	778	entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry();
never@1445	779	break;
never@1445	780
never@1445	781	case Interpreter::method_handle:
never@1445	782	entry_point = ((InterpreterGenerator*) this)->generate_method_handle_entry();
never@1445	783	break;
never@1445	784
never@1445	785	case Interpreter::java_lang_math_sin:
never@1445	786	case Interpreter::java_lang_math_cos:
never@1445	787	case Interpreter::java_lang_math_tan:
never@1445	788	case Interpreter::java_lang_math_abs:
never@1445	789	case Interpreter::java_lang_math_log:
never@1445	790	case Interpreter::java_lang_math_log10:
never@1445	791	case Interpreter::java_lang_math_sqrt:
never@1445	792	entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind);
never@1445	793	break;
never@1445	794
never@1445	795	default:
never@1445	796	ShouldNotReachHere();
never@1445	797	}
never@1445	798
never@1445	799	if (entry_point == NULL)
never@1445	800	entry_point = ((InterpreterGenerator*) this)->generate_normal_entry(false);
never@1445	801
never@1445	802	return entry_point;
never@1445	803	}
never@1445	804
never@1445	805	InterpreterGenerator::InterpreterGenerator(StubQueue* code)
never@1445	806	: CppInterpreterGenerator(code) {
never@1445	807	generate_all();
never@1445	808	}
never@1445	809
never@1445	810	// Deoptimization helpers
never@1445	811
twisti@1814	812	InterpreterFrame *InterpreterFrame::build(int size, TRAPS) {
twisti@1814	813	ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack();
twisti@1814	814
never@1445	815	int size_in_words = size >> LogBytesPerWord;
never@1445	816	assert(size_in_words * wordSize == size, "unaligned");
never@1445	817	assert(size_in_words >= header_words, "too small");
twisti@1814	818	stack->overflow_check(size_in_words, CHECK_NULL);
never@1445	819
never@1445	820	stack->push(0); // next_frame, filled in later
never@1445	821	intptr_t *fp = stack->sp();
never@1445	822	assert(fp - stack->sp() == next_frame_off, "should be");
never@1445	823
never@1445	824	stack->push(INTERPRETER_FRAME);
never@1445	825	assert(fp - stack->sp() == frame_type_off, "should be");
never@1445	826
never@1445	827	interpreterState istate =
never@1445	828	(interpreterState) stack->alloc(sizeof(BytecodeInterpreter));
never@1445	829	assert(fp - stack->sp() == istate_off, "should be");
never@1445	830	istate->set_self_link(NULL); // mark invalid
never@1445	831
never@1445	832	stack->alloc((size_in_words - header_words) * wordSize);
never@1445	833
never@1445	834	return (InterpreterFrame *) fp;
never@1445	835	}
never@1445	836
never@1445	837	int AbstractInterpreter::layout_activation(methodOop method,
never@1445	838	int tempcount,
never@1445	839	int popframe_extra_args,
never@1445	840	int moncount,
never@1445	841	int callee_param_count,
never@1445	842	int callee_locals,
never@1445	843	frame* caller,
never@1445	844	frame* interpreter_frame,
never@1445	845	bool is_top_frame) {
never@1445	846	assert(popframe_extra_args == 0, "what to do?");
never@1445	847	assert(!is_top_frame || (!callee_locals && !callee_param_count),
twisti@1960	848	"top frame should have no caller");
never@1445	849
never@1445	850	// This code must exactly match what InterpreterFrame::build
never@1445	851	// does (the full InterpreterFrame::build, that is, not the
never@1445	852	// one that creates empty frames for the deoptimizer).
never@1445	853	//
never@1445	854	// If interpreter_frame is not NULL then it will be filled in.
never@1445	855	// It's size is determined by a previous call to this method,
never@1445	856	// so it should be correct.
never@1445	857	//
never@1445	858	// Note that tempcount is the current size of the expression
never@1445	859	// stack. For top most frames we will allocate a full sized
never@1445	860	// expression stack and not the trimmed version that non-top
never@1445	861	// frames have.
never@1445	862
never@1445	863	int header_words = InterpreterFrame::header_words;
never@1445	864	int monitor_words = moncount * frame::interpreter_frame_monitor_size();
never@1445	865	int stack_words = is_top_frame ? method->max_stack() : tempcount;
never@1445	866	int callee_extra_locals = callee_locals - callee_param_count;
never@1445	867
never@1445	868	if (interpreter_frame) {
twisti@1860	869	intptr_t *locals = interpreter_frame->fp() + method->max_locals();
never@1445	870	interpreterState istate = interpreter_frame->get_interpreterState();
never@1445	871	intptr_t *monitor_base = (intptr_t*) istate;
never@1445	872	intptr_t *stack_base = monitor_base - monitor_words;
never@1445	873	intptr_t *stack = stack_base - tempcount - 1;
never@1445	874
never@1445	875	BytecodeInterpreter::layout_interpreterState(istate,
never@1445	876	caller,
never@1445	877	NULL,
never@1445	878	method,
never@1445	879	locals,
never@1445	880	stack,
never@1445	881	stack_base,
never@1445	882	monitor_base,
never@1445	883	NULL,
never@1445	884	is_top_frame);
never@1445	885	}
never@1445	886	return header_words + monitor_words + stack_words + callee_extra_locals;
never@1445	887	}
never@1445	888
never@1445	889	void BytecodeInterpreter::layout_interpreterState(interpreterState istate,
never@1445	890	frame* caller,
never@1445	891	frame* current,
never@1445	892	methodOop method,
never@1445	893	intptr_t* locals,
never@1445	894	intptr_t* stack,
never@1445	895	intptr_t* stack_base,
never@1445	896	intptr_t* monitor_base,
never@1445	897	intptr_t* frame_bottom,
never@1445	898	bool is_top_frame) {
never@1445	899	istate->set_locals(locals);
never@1445	900	istate->set_method(method);
never@1445	901	istate->set_self_link(istate);
never@1445	902	istate->set_prev_link(NULL);
never@1445	903	// thread will be set by a hacky repurposing of frame::patch_pc()
never@1445	904	// bcp will be set by vframeArrayElement::unpack_on_stack()
never@1445	905	istate->set_constants(method->constants()->cache());
never@1445	906	istate->set_msg(BytecodeInterpreter::method_resume);
never@1445	907	istate->set_bcp_advance(0);
never@1445	908	istate->set_oop_temp(NULL);
never@1445	909	istate->set_mdx(NULL);
never@1445	910	if (caller->is_interpreted_frame()) {
never@1445	911	interpreterState prev = caller->get_interpreterState();
never@1445	912	prev->set_callee(method);
never@1445	913	if (*prev->bcp() == Bytecodes::_invokeinterface)
never@1445	914	prev->set_bcp_advance(5);
never@1445	915	else
never@1445	916	prev->set_bcp_advance(3);
never@1445	917	}
never@1445	918	istate->set_callee(NULL);
never@1445	919	istate->set_monitor_base((BasicObjectLock *) monitor_base);
never@1445	920	istate->set_stack_base(stack_base);
never@1445	921	istate->set_stack(stack);
never@1445	922	istate->set_stack_limit(stack_base - method->max_stack() - 1);
never@1445	923	}
never@1445	924
never@1445	925	address CppInterpreter::return_entry(TosState state, int length) {
never@1445	926	ShouldNotCallThis();
never@1445	927	}
never@1445	928
never@1445	929	address CppInterpreter::deopt_entry(TosState state, int length) {
never@1445	930	return NULL;
never@1445	931	}
never@1445	932
never@1445	933	// Helper for (runtime) stack overflow checks
never@1445	934
never@1445	935	int AbstractInterpreter::size_top_interpreter_activation(methodOop method) {
never@1445	936	return 0;
never@1445	937	}
never@1445	938
never@1445	939	// Helper for figuring out if frames are interpreter frames
never@1445	940
never@1445	941	bool CppInterpreter::contains(address pc) {
never@1445	942	#ifdef PRODUCT
never@1445	943	ShouldNotCallThis();
never@1445	944	#else
never@1445	945	return false; // make frame::print_value_on work
never@1445	946	#endif // !PRODUCT
never@1445	947	}
never@1445	948
never@1445	949	// Result handlers and convertors
never@1445	950
never@1445	951	address CppInterpreterGenerator::generate_result_handler_for(
never@1445	952	BasicType type) {
never@1445	953	assembler()->advance(1);
never@1445	954	return ShouldNotCallThisStub();
never@1445	955	}
never@1445	956
never@1445	957	address CppInterpreterGenerator::generate_tosca_to_stack_converter(
never@1445	958	BasicType type) {
never@1445	959	assembler()->advance(1);
never@1445	960	return ShouldNotCallThisStub();
never@1445	961	}
never@1445	962
never@1445	963	address CppInterpreterGenerator::generate_stack_to_stack_converter(
never@1445	964	BasicType type) {
never@1445	965	assembler()->advance(1);
never@1445	966	return ShouldNotCallThisStub();
never@1445	967	}
never@1445	968
never@1445	969	address CppInterpreterGenerator::generate_stack_to_native_abi_converter(
never@1445	970	BasicType type) {
never@1445	971	assembler()->advance(1);
never@1445	972	return ShouldNotCallThisStub();
never@1445	973	}
never@1445	974
never@1445	975	#endif // CC_INTERP