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src/share/vm/runtime/vframe_hp.hpp@b985cbb00e68 (annotated)

src/share/vm/runtime/vframe_hp.hpp

Mon, 12 Aug 2019 18:30:40 +0300

author

apetushkov

date

Mon, 12 Aug 2019 18:30:40 +0300

changeset 9858

b985cbb00e68

parent 4037

da91efe96a93

child 6876

710a3c8b516e

permissions

-rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

duke@435	1	/*
coleenp@4037	2	* Copyright (c) 1997, 2012, 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_RUNTIME_VFRAME_HP_HPP
stefank@2314	26	#define SHARE_VM_RUNTIME_VFRAME_HP_HPP
stefank@2314	27
stefank@2314	28	#include "runtime/vframe.hpp"
stefank@2314	29
duke@435	30	class compiledVFrame: public javaVFrame {
duke@435	31	public:
duke@435	32	// JVM state
coleenp@4037	33	Method* method() const;
cfang@1335	34	int bci() const;
cfang@1335	35	bool should_reexecute() const;
cfang@1335	36	StackValueCollection* locals() const;
cfang@1335	37	StackValueCollection* expressions() const;
cfang@1335	38	GrowableArray<MonitorInfo*>* monitors() const;
duke@435	39
duke@435	40	void set_locals(StackValueCollection* values) const;
duke@435	41
duke@435	42	// Virtuals defined in vframe
duke@435	43	bool is_compiled_frame() const { return true; }
duke@435	44	vframe* sender() const;
duke@435	45	bool is_top() const;
duke@435	46
duke@435	47	// Casting
duke@435	48	static compiledVFrame* cast(vframe* vf) {
duke@435	49	assert(vf == NULL || vf->is_compiled_frame(), "must be compiled frame");
duke@435	50	return (compiledVFrame*) vf;
duke@435	51	}
duke@435	52
duke@435	53	public:
duke@435	54	// Constructors
duke@435	55	compiledVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread, nmethod* nm);
duke@435	56
duke@435	57	// Update a local in a compiled frame. Update happens when deopt occurs
duke@435	58	void update_local(BasicType type, int index, jvalue value);
duke@435	59
duke@435	60	// Returns the active nmethod
duke@435	61	nmethod* code() const;
duke@435	62
duke@435	63	// Returns the scopeDesc
duke@435	64	ScopeDesc* scope() const { return _scope; }
duke@435	65
duke@435	66	// Returns SynchronizationEntryBCI or bci() (used for synchronization)
duke@435	67	int raw_bci() const;
duke@435	68
duke@435	69	protected:
duke@435	70	ScopeDesc* _scope;
duke@435	71
duke@435	72
duke@435	73	//StackValue resolve(ScopeValue* sv) const;
duke@435	74	BasicLock* resolve_monitor_lock(Location location) const;
duke@435	75	StackValue *create_stack_value(ScopeValue *sv) const;
duke@435	76
duke@435	77	private:
duke@435	78	compiledVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread, ScopeDesc* scope);
duke@435	79
duke@435	80	#ifndef PRODUCT
duke@435	81	public:
duke@435	82	void verify() const;
duke@435	83	#endif
duke@435	84	};
duke@435	85
duke@435	86	// In order to implement set_locals for compiled vframes we must
duke@435	87	// store updated locals in a data structure that contains enough
duke@435	88	// information to recognize equality with a vframe and to store
duke@435	89	// any updated locals.
duke@435	90
duke@435	91	class jvmtiDeferredLocalVariable;
zgu@3900	92	class jvmtiDeferredLocalVariableSet : public CHeapObj<mtCompiler> {
duke@435	93	private:
duke@435	94
coleenp@4037	95	Method* _method;
duke@435	96	int _bci;
duke@435	97	intptr_t* _id;
duke@435	98	GrowableArray<jvmtiDeferredLocalVariable*>* _locals;
duke@435	99
duke@435	100	public:
duke@435	101	// JVM state
coleenp@4037	102	Method* method() const { return _method; }
duke@435	103	int bci() const { return _bci; }
duke@435	104	intptr_t* id() const { return _id; }
duke@435	105	GrowableArray<jvmtiDeferredLocalVariable*>* locals() const { return _locals; }
duke@435	106	void set_local_at(int idx, BasicType typ, jvalue val);
duke@435	107
duke@435	108	// Does the vframe match this jvmtiDeferredLocalVariableSet
duke@435	109	bool matches(vframe* vf);
duke@435	110	// GC
duke@435	111	void oops_do(OopClosure* f);
duke@435	112
duke@435	113	// constructor
coleenp@4037	114	jvmtiDeferredLocalVariableSet(Method* method, int bci, intptr_t* id);
duke@435	115
duke@435	116	// destructor
duke@435	117	~jvmtiDeferredLocalVariableSet();
duke@435	118
duke@435	119
duke@435	120	};
duke@435	121
zgu@3900	122	class jvmtiDeferredLocalVariable : public CHeapObj<mtCompiler> {
duke@435	123	public:
duke@435	124
duke@435	125	jvmtiDeferredLocalVariable(int index, BasicType type, jvalue value);
duke@435	126
duke@435	127	BasicType type(void) { return _type; }
duke@435	128	int index(void) { return _index; }
duke@435	129	jvalue value(void) { return _value; }
duke@435	130	// Only mutator is for value as only it can change
duke@435	131	void set_value(jvalue value) { _value = value; }
duke@435	132	// For gc
duke@435	133	oop* oop_addr(void) { return (oop*) &_value.l; }
duke@435	134
duke@435	135	private:
duke@435	136
duke@435	137	BasicType _type;
duke@435	138	jvalue _value;
duke@435	139	int _index;
duke@435	140
duke@435	141	};
stefank@2314	142
stefank@2314	143	#endif // SHARE_VM_RUNTIME_VFRAME_HP_HPP