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src/share/vm/opto/runtime.hpp@fc2c88ea11a9 (annotated)

src/share/vm/opto/runtime.hpp

Fri, 11 Jul 2014 19:51:36 -0400

author

drchase

date

Fri, 11 Jul 2014 19:51:36 -0400

changeset 7161

fc2c88ea11a9

parent 7027

b20a35eae442

child 7152

166d744df0de

permissions

-rw-r--r--

8036588: VerifyFieldClosure fails instanceKlass:3133
Summary: Changed deopt live-pointer test to use returns-object instead of live-and-returns-object
Reviewed-by: iveresov, kvn, jrose

duke@435	1	/*
kvn@7027	2	* Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_OPTO_RUNTIME_HPP
stefank@2314	26	#define SHARE_VM_OPTO_RUNTIME_HPP
stefank@2314	27
stefank@2314	28	#include "code/codeBlob.hpp"
stefank@2314	29	#include "opto/machnode.hpp"
stefank@2314	30	#include "opto/type.hpp"
stefank@2314	31	#include "runtime/biasedLocking.hpp"
kvn@6429	32	#include "runtime/rtmLocking.hpp"
stefank@2314	33	#include "runtime/deoptimization.hpp"
stefank@2314	34	#include "runtime/vframe.hpp"
stefank@2314	35
duke@435	36	//------------------------------OptoRuntime------------------------------------
duke@435	37	// Opto compiler runtime routines
duke@435	38	//
duke@435	39	// These are all generated from Ideal graphs. They are called with the
duke@435	40	// Java calling convention. Internally they call C++. They are made once at
duke@435	41	// startup time and Opto compiles calls to them later.
duke@435	42	// Things are broken up into quads: the signature they will be called with,
duke@435	43	// the address of the generated code, the corresponding C++ code and an
duke@435	44	// nmethod.
duke@435	45
duke@435	46	// The signature (returned by "xxx_Type()") is used at startup time by the
duke@435	47	// Generator to make the generated code "xxx_Java". Opto compiles calls
duke@435	48	// to the generated code "xxx_Java". When the compiled code gets executed,
duke@435	49	// it calls the C++ code "xxx_C". The generated nmethod is saved in the
duke@435	50	// CodeCache. Exception handlers use the nmethod to get the callee-save
duke@435	51	// register OopMaps.
duke@435	52	class CallInfo;
duke@435	53
duke@435	54	//
duke@435	55	// NamedCounters are tagged counters which can be used for profiling
duke@435	56	// code in various ways. Currently they are used by the lock coarsening code
duke@435	57	//
duke@435	58
zgu@3900	59	class NamedCounter : public CHeapObj<mtCompiler> {
duke@435	60	public:
duke@435	61	enum CounterTag {
duke@435	62	NoTag,
duke@435	63	LockCounter,
duke@435	64	EliminatedLockCounter,
kvn@6429	65	BiasedLockingCounter,
kvn@6429	66	RTMLockingCounter
duke@435	67	};
duke@435	68
duke@435	69	private:
duke@435	70	const char * _name;
duke@435	71	int _count;
duke@435	72	CounterTag _tag;
duke@435	73	NamedCounter* _next;
duke@435	74
duke@435	75	public:
duke@435	76	NamedCounter(const char *n, CounterTag tag = NoTag):
duke@435	77	_name(n),
duke@435	78	_count(0),
duke@435	79	_next(NULL),
duke@435	80	_tag(tag) {}
duke@435	81
duke@435	82	const char * name() const { return _name; }
duke@435	83	int count() const { return _count; }
duke@435	84	address addr() { return (address)&_count; }
duke@435	85	CounterTag tag() const { return _tag; }
duke@435	86	void set_tag(CounterTag tag) { _tag = tag; }
duke@435	87
duke@435	88	NamedCounter* next() const { return _next; }
duke@435	89	void set_next(NamedCounter* next) {
kvn@6429	90	assert(_next == NULL || next == NULL, "already set");
duke@435	91	_next = next;
duke@435	92	}
duke@435	93
duke@435	94	};
duke@435	95
duke@435	96	class BiasedLockingNamedCounter : public NamedCounter {
duke@435	97	private:
duke@435	98	BiasedLockingCounters _counters;
duke@435	99
duke@435	100	public:
duke@435	101	BiasedLockingNamedCounter(const char *n) :
duke@435	102	NamedCounter(n, BiasedLockingCounter), _counters() {}
duke@435	103
duke@435	104	BiasedLockingCounters* counters() { return &_counters; }
duke@435	105	};
duke@435	106
kvn@6429	107
kvn@6429	108	class RTMLockingNamedCounter : public NamedCounter {
kvn@6429	109	private:
kvn@6429	110	RTMLockingCounters _counters;
kvn@6429	111
kvn@6429	112	public:
kvn@6429	113	RTMLockingNamedCounter(const char *n) :
kvn@6429	114	NamedCounter(n, RTMLockingCounter), _counters() {}
kvn@6429	115
kvn@6429	116	RTMLockingCounters* counters() { return &_counters; }
kvn@6429	117	};
kvn@6429	118
duke@435	119	typedef const TypeFunc*(*TypeFunc_generator)();
duke@435	120
duke@435	121	class OptoRuntime : public AllStatic {
duke@435	122	friend class Matcher; // allow access to stub names
duke@435	123
duke@435	124	private:
duke@435	125	// define stubs
duke@435	126	static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char *name, int is_fancy_jump, bool pass_tls, bool save_arguments, bool return_pc);
duke@435	127
duke@435	128	// References to generated stubs
duke@435	129	static address _new_instance_Java;
duke@435	130	static address _new_array_Java;
kvn@3157	131	static address _new_array_nozero_Java;
duke@435	132	static address _multianewarray2_Java;
duke@435	133	static address _multianewarray3_Java;
duke@435	134	static address _multianewarray4_Java;
duke@435	135	static address _multianewarray5_Java;
iveresov@3002	136	static address _multianewarrayN_Java;
ysr@777	137	static address _g1_wb_pre_Java;
ysr@777	138	static address _g1_wb_post_Java;
duke@435	139	static address _vtable_must_compile_Java;
duke@435	140	static address _complete_monitor_locking_Java;
duke@435	141	static address _rethrow_Java;
duke@435	142
duke@435	143	static address _slow_arraycopy_Java;
duke@435	144	static address _register_finalizer_Java;
duke@435	145
duke@435	146	# ifdef ENABLE_ZAP_DEAD_LOCALS
duke@435	147	static address _zap_dead_Java_locals_Java;
duke@435	148	static address _zap_dead_native_locals_Java;
duke@435	149	# endif
duke@435	150
duke@435	151
duke@435	152	//
duke@435	153	// Implementation of runtime methods
duke@435	154	// =================================
duke@435	155
duke@435	156	// Allocate storage for a Java instance.
coleenp@4037	157	static void new_instance_C(Klass* instance_klass, JavaThread *thread);
duke@435	158
duke@435	159	// Allocate storage for a objArray or typeArray
coleenp@4037	160	static void new_array_C(Klass* array_klass, int len, JavaThread *thread);
coleenp@4037	161	static void new_array_nozero_C(Klass* array_klass, int len, JavaThread *thread);
duke@435	162
ysr@1601	163	// Post-slow-path-allocation, pre-initializing-stores step for
ysr@1601	164	// implementing ReduceInitialCardMarks
ysr@1601	165	static void new_store_pre_barrier(JavaThread* thread);
duke@435	166
duke@435	167	// Allocate storage for a multi-dimensional arrays
duke@435	168	// Note: needs to be fixed for arbitrary number of dimensions
coleenp@4037	169	static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread *thread);
coleenp@4037	170	static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread *thread);
coleenp@4037	171	static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread *thread);
coleenp@4037	172	static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread *thread);
coleenp@4037	173	static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread *thread);
ysr@777	174	static void g1_wb_pre_C(oopDesc* orig, JavaThread* thread);
ysr@777	175	static void g1_wb_post_C(void* card_addr, JavaThread* thread);
duke@435	176
duke@435	177	public:
duke@435	178	// Slow-path Locking and Unlocking
duke@435	179	static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);
duke@435	180	static void complete_monitor_unlocking_C(oopDesc* obj, BasicLock* lock);
duke@435	181
duke@435	182	private:
duke@435	183
duke@435	184	// Implicit exception support
duke@435	185	static void throw_null_exception_C(JavaThread* thread);
duke@435	186
duke@435	187	// Exception handling
duke@435	188	static address handle_exception_C (JavaThread* thread);
duke@435	189	static address handle_exception_C_helper(JavaThread* thread, nmethod*& nm);
duke@435	190	static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
kvn@4364	191	static void deoptimize_caller_frame (JavaThread *thread);
duke@435	192	static void deoptimize_caller_frame (JavaThread *thread, bool doit);
kvn@3259	193	static bool is_deoptimized_caller_frame (JavaThread *thread);
duke@435	194
duke@435	195	// CodeBlob support
duke@435	196	// ===================================================================
duke@435	197
duke@435	198	static ExceptionBlob* _exception_blob;
duke@435	199	static void generate_exception_blob();
duke@435	200
duke@435	201	static void register_finalizer(oopDesc* obj, JavaThread* thread);
duke@435	202
duke@435	203	// zaping dead locals, either from Java frames or from native frames
duke@435	204	# ifdef ENABLE_ZAP_DEAD_LOCALS
duke@435	205	static void zap_dead_Java_locals_C( JavaThread* thread);
duke@435	206	static void zap_dead_native_locals_C( JavaThread* thread);
duke@435	207
duke@435	208	static void zap_dead_java_or_native_locals( JavaThread*, bool (*)(frame*));
duke@435	209
duke@435	210	public:
duke@435	211	static int ZapDeadCompiledLocals_count;
duke@435	212
duke@435	213	# endif
duke@435	214
duke@435	215
duke@435	216	public:
duke@435	217
duke@435	218	static bool is_callee_saved_register(MachRegisterNumbers reg);
duke@435	219
anoll@5919	220	// One time only generate runtime code stubs. Returns true
anoll@5919	221	// when runtime stubs have been generated successfully and
anoll@5919	222	// false otherwise.
anoll@5919	223	static bool generate(ciEnv* env);
duke@435	224
duke@435	225	// Returns the name of a stub
duke@435	226	static const char* stub_name(address entry);
duke@435	227
duke@435	228	// access to runtime stubs entry points for java code
duke@435	229	static address new_instance_Java() { return _new_instance_Java; }
duke@435	230	static address new_array_Java() { return _new_array_Java; }
kvn@3157	231	static address new_array_nozero_Java() { return _new_array_nozero_Java; }
duke@435	232	static address multianewarray2_Java() { return _multianewarray2_Java; }
duke@435	233	static address multianewarray3_Java() { return _multianewarray3_Java; }
duke@435	234	static address multianewarray4_Java() { return _multianewarray4_Java; }
duke@435	235	static address multianewarray5_Java() { return _multianewarray5_Java; }
iveresov@3002	236	static address multianewarrayN_Java() { return _multianewarrayN_Java; }
ysr@777	237	static address g1_wb_pre_Java() { return _g1_wb_pre_Java; }
ysr@777	238	static address g1_wb_post_Java() { return _g1_wb_post_Java; }
duke@435	239	static address vtable_must_compile_stub() { return _vtable_must_compile_Java; }
duke@435	240	static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
duke@435	241
duke@435	242	static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
duke@435	243	static address register_finalizer_Java() { return _register_finalizer_Java; }
duke@435	244
duke@435	245
duke@435	246	# ifdef ENABLE_ZAP_DEAD_LOCALS
duke@435	247	static address zap_dead_locals_stub(bool is_native) { return is_native
duke@435	248	? _zap_dead_native_locals_Java
duke@435	249	: _zap_dead_Java_locals_Java; }
duke@435	250	static MachNode* node_to_call_zap_dead_locals(Node* n, int block_num, bool is_native);
duke@435	251	# endif
duke@435	252
duke@435	253	static ExceptionBlob* exception_blob() { return _exception_blob; }
duke@435	254
duke@435	255	// Leaf routines helping with method data update
duke@435	256	static void profile_receiver_type_C(DataLayout* data, oopDesc* receiver);
duke@435	257
duke@435	258	// Implicit exception support
duke@435	259	static void throw_div0_exception_C (JavaThread* thread);
duke@435	260	static void throw_stack_overflow_error_C(JavaThread* thread);
duke@435	261
duke@435	262	// Exception handling
duke@435	263	static address rethrow_stub() { return _rethrow_Java; }
duke@435	264
duke@435	265
duke@435	266	// Type functions
duke@435	267	// ======================================================
duke@435	268
duke@435	269	static const TypeFunc* new_instance_Type(); // object allocation (slow case)
duke@435	270	static const TypeFunc* new_array_Type (); // [a]newarray (slow case)
duke@435	271	static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
duke@435	272	static const TypeFunc* multianewarray2_Type(); // multianewarray
duke@435	273	static const TypeFunc* multianewarray3_Type(); // multianewarray
duke@435	274	static const TypeFunc* multianewarray4_Type(); // multianewarray
duke@435	275	static const TypeFunc* multianewarray5_Type(); // multianewarray
iveresov@3002	276	static const TypeFunc* multianewarrayN_Type(); // multianewarray
ysr@777	277	static const TypeFunc* g1_wb_pre_Type();
ysr@777	278	static const TypeFunc* g1_wb_post_Type();
duke@435	279	static const TypeFunc* complete_monitor_enter_Type();
duke@435	280	static const TypeFunc* complete_monitor_exit_Type();
duke@435	281	static const TypeFunc* uncommon_trap_Type();
duke@435	282	static const TypeFunc* athrow_Type();
duke@435	283	static const TypeFunc* rethrow_Type();
duke@435	284	static const TypeFunc* Math_D_D_Type(); // sin,cos & friends
duke@435	285	static const TypeFunc* Math_DD_D_Type(); // mod,pow & friends
duke@435	286	static const TypeFunc* modf_Type();
duke@435	287	static const TypeFunc* l2f_Type();
rbackman@3709	288	static const TypeFunc* void_long_Type();
duke@435	289
duke@435	290	static const TypeFunc* flush_windows_Type();
duke@435	291
duke@435	292	// arraycopy routine types
duke@435	293	static const TypeFunc* fast_arraycopy_Type(); // bit-blasters
duke@435	294	static const TypeFunc* checkcast_arraycopy_Type();
duke@435	295	static const TypeFunc* generic_arraycopy_Type();
duke@435	296	static const TypeFunc* slow_arraycopy_Type(); // the full routine
duke@435	297
never@2118	298	static const TypeFunc* array_fill_Type();
never@2118	299
kvn@4205	300	static const TypeFunc* aescrypt_block_Type();
kvn@4205	301	static const TypeFunc* cipherBlockChaining_aescrypt_Type();
kvn@4205	302
kvn@7027	303	static const TypeFunc* sha_implCompress_Type();
kvn@7027	304	static const TypeFunc* digestBase_implCompressMB_Type();
kvn@7027	305
drchase@5353	306	static const TypeFunc* updateBytesCRC32_Type();
drchase@5353	307
duke@435	308	// leaf on stack replacement interpreter accessor types
duke@435	309	static const TypeFunc* osr_end_Type();
duke@435	310
duke@435	311	// leaf methodData routine types
duke@435	312	static const TypeFunc* profile_receiver_type_Type();
duke@435	313
duke@435	314	// leaf on stack replacement interpreter accessor types
duke@435	315	static const TypeFunc* fetch_int_Type();
duke@435	316	static const TypeFunc* fetch_long_Type();
duke@435	317	static const TypeFunc* fetch_float_Type();
duke@435	318	static const TypeFunc* fetch_double_Type();
duke@435	319	static const TypeFunc* fetch_oop_Type();
duke@435	320	static const TypeFunc* fetch_monitor_Type();
duke@435	321
duke@435	322	static const TypeFunc* register_finalizer_Type();
duke@435	323
duke@435	324	// Dtrace support
duke@435	325	static const TypeFunc* dtrace_method_entry_exit_Type();
duke@435	326	static const TypeFunc* dtrace_object_alloc_Type();
duke@435	327
duke@435	328	# ifdef ENABLE_ZAP_DEAD_LOCALS
duke@435	329	static const TypeFunc* zap_dead_locals_Type();
duke@435	330	# endif
duke@435	331
duke@435	332	private:
duke@435	333	static NamedCounter * volatile _named_counters;
duke@435	334
duke@435	335	public:
duke@435	336	// helper function which creates a named counter labeled with the
duke@435	337	// if they are available
duke@435	338	static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
duke@435	339
duke@435	340	// dumps all the named counters
duke@435	341	static void print_named_counters();
duke@435	342
duke@435	343	};
stefank@2314	344
stefank@2314	345	#endif // SHARE_VM_OPTO_RUNTIME_HPP