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src/share/vm/interpreter/interpreterRuntime.hpp@dd031b2226de (annotated)

src/share/vm/interpreter/interpreterRuntime.hpp

Mon, 10 Jan 2011 18:46:29 -0800

author

iveresov

date

Mon, 10 Jan 2011 18:46:29 -0800

changeset 2438

dd031b2226de

parent 2314

f95d63e2154a

child 2464

633a44a9fc45

permissions

-rw-r--r--

4930919: race condition in MDO creation at back branch locations
Summary: Reuse set_method_data_for_bcp() to setup mdp after MDO creation.
Reviewed-by: kvn, never

duke@435	1	/*
iveresov@2438	2	* Copyright (c) 1997, 2011, 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_INTERPRETER_INTERPRETERRUNTIME_HPP
stefank@2314	26	#define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
stefank@2314	27
stefank@2314	28	#include "interpreter/bytecode.hpp"
stefank@2314	29	#include "interpreter/linkResolver.hpp"
stefank@2314	30	#include "memory/universe.hpp"
stefank@2314	31	#include "oops/methodOop.hpp"
stefank@2314	32	#include "runtime/frame.inline.hpp"
stefank@2314	33	#include "runtime/signature.hpp"
stefank@2314	34	#include "utilities/top.hpp"
stefank@2314	35	#ifdef TARGET_OS_FAMILY_linux
stefank@2314	36	# include "thread_linux.inline.hpp"
stefank@2314	37	#endif
stefank@2314	38	#ifdef TARGET_OS_FAMILY_solaris
stefank@2314	39	# include "thread_solaris.inline.hpp"
stefank@2314	40	#endif
stefank@2314	41	#ifdef TARGET_OS_FAMILY_windows
stefank@2314	42	# include "thread_windows.inline.hpp"
stefank@2314	43	#endif
stefank@2314	44
duke@435	45	// The InterpreterRuntime is called by the interpreter for everything
duke@435	46	// that cannot/should not be dealt with in assembly and needs C support.
duke@435	47
duke@435	48	class InterpreterRuntime: AllStatic {
duke@435	49	friend class BytecodeClosure; // for method and bcp
duke@435	50	friend class PrintingClosure; // for method and bcp
duke@435	51
duke@435	52	private:
duke@435	53	// Helper functions to access current interpreter state
duke@435	54	static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
duke@435	55	static methodOop method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
duke@435	56	static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
jrose@1957	57	static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
duke@435	58	static void set_bcp_and_mdp(address bcp, JavaThread*thread);
coleenp@548	59	static Bytecodes::Code code(JavaThread *thread) {
coleenp@548	60	// pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
coleenp@548	61	return Bytecodes::code_at(bcp(thread), method(thread));
coleenp@548	62	}
duke@435	63	static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
jrose@1920	64	static Bytecode* bytecode(JavaThread *thread) { return Bytecode_at(bcp(thread)); }
jrose@1920	65	static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
jrose@1920	66	{ return bytecode(thread)->get_index_u1(bc); }
jrose@1920	67	static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
jrose@1920	68	{ return bytecode(thread)->get_index_u2(bc); }
jrose@1920	69	static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
jrose@1920	70	{ return bytecode(thread)->get_index_u2_cpcache(bc); }
duke@435	71	static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
jrose@1161	72
jrose@1161	73	static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
jrose@1161	74	static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
duke@435	75	static void note_trap(JavaThread *thread, int reason, TRAPS);
duke@435	76
ysr@1376	77	// Inner work method for Interpreter's frequency counter overflow
ysr@1376	78	static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
ysr@1376	79
duke@435	80	public:
duke@435	81	// Constants
duke@435	82	static void ldc (JavaThread* thread, bool wide);
jrose@1957	83	static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode);
duke@435	84
duke@435	85	// Allocation
duke@435	86	static void _new (JavaThread* thread, constantPoolOopDesc* pool, int index);
duke@435	87	static void newarray (JavaThread* thread, BasicType type, jint size);
duke@435	88	static void anewarray (JavaThread* thread, constantPoolOopDesc* pool, int index, jint size);
duke@435	89	static void multianewarray(JavaThread* thread, jint* first_size_address);
duke@435	90	static void register_finalizer(JavaThread* thread, oopDesc* obj);
duke@435	91
duke@435	92	// Quicken instance-of and check-cast bytecodes
duke@435	93	static void quicken_io_cc(JavaThread* thread);
duke@435	94
duke@435	95	// Exceptions thrown by the interpreter
duke@435	96	static void throw_AbstractMethodError(JavaThread* thread);
duke@435	97	static void throw_IncompatibleClassChangeError(JavaThread* thread);
duke@435	98	static void throw_StackOverflowError(JavaThread* thread);
duke@435	99	static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
duke@435	100	static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
jrose@1145	101	static void throw_WrongMethodTypeException(JavaThread* thread, oopDesc* mtype = NULL, oopDesc* mhandle = NULL);
duke@435	102	static void create_exception(JavaThread* thread, char* name, char* message);
duke@435	103	static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
duke@435	104	static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
duke@435	105	static void throw_pending_exception(JavaThread* thread);
duke@435	106
duke@435	107	// Statics & fields
duke@435	108	static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
duke@435	109
duke@435	110	// Synchronization
duke@435	111	static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
duke@435	112	static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
duke@435	113
duke@435	114	static void throw_illegal_monitor_state_exception(JavaThread* thread);
duke@435	115	static void new_illegal_monitor_state_exception(JavaThread* thread);
duke@435	116
duke@435	117	// Calls
jrose@1161	118	static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
jrose@1161	119	static void resolve_invokedynamic(JavaThread* thread);
duke@435	120
duke@435	121	// Breakpoints
duke@435	122	static void _breakpoint(JavaThread* thread, methodOopDesc* method, address bcp);
duke@435	123	static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp);
duke@435	124	static void set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code);
duke@435	125	static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
duke@435	126
duke@435	127	// Safepoints
duke@435	128	static void at_safepoint(JavaThread* thread);
duke@435	129
duke@435	130	// Debugger support
duke@435	131	static void post_field_access(JavaThread *thread, oopDesc* obj,
duke@435	132	ConstantPoolCacheEntry *cp_entry);
duke@435	133	static void post_field_modification(JavaThread *thread, oopDesc* obj,
duke@435	134	ConstantPoolCacheEntry *cp_entry, jvalue *value);
duke@435	135	static void post_method_entry(JavaThread *thread);
duke@435	136	static void post_method_exit (JavaThread *thread);
duke@435	137	static int interpreter_contains(address pc);
duke@435	138
duke@435	139	// Native signature handlers
duke@435	140	static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
duke@435	141	static address slow_signature_handler(JavaThread* thread,
duke@435	142	methodOopDesc* method,
duke@435	143	intptr_t* from, intptr_t* to);
duke@435	144
duke@435	145	#if defined(IA32) || defined(AMD64)
duke@435	146	// Popframe support (only needed on x86 and AMD64)
duke@435	147	static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
duke@435	148	#endif
duke@435	149
duke@435	150	// Platform dependent stuff
stefank@2314	151	#ifdef TARGET_ARCH_x86
stefank@2314	152	# include "interpreterRT_x86.hpp"
stefank@2314	153	#endif
stefank@2314	154	#ifdef TARGET_ARCH_sparc
stefank@2314	155	# include "interpreterRT_sparc.hpp"
stefank@2314	156	#endif
stefank@2314	157	#ifdef TARGET_ARCH_zero
stefank@2314	158	# include "interpreterRT_zero.hpp"
stefank@2314	159	#endif
stefank@2314	160
duke@435	161
duke@435	162	// Interpreter's frequency counter overflow
duke@435	163	static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
duke@435	164
duke@435	165	// Interpreter profiling support
duke@435	166	static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
iveresov@2438	167	static void profile_method(JavaThread* thread);
duke@435	168	static void update_mdp_for_ret(JavaThread* thread, int bci);
duke@435	169	#ifdef ASSERT
duke@435	170	static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
duke@435	171	#endif // ASSERT
duke@435	172	};
duke@435	173
duke@435	174
duke@435	175	class SignatureHandlerLibrary: public AllStatic {
duke@435	176	public:
duke@435	177	enum { buffer_size = 1*K }; // the size of the temporary code buffer
duke@435	178	enum { blob_size = 32*K }; // the size of a handler code blob.
duke@435	179
duke@435	180	private:
duke@435	181	static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
duke@435	182	static address _handler; // next available address within _handler_blob;
duke@435	183	static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
duke@435	184	static GrowableArray<address>* _handlers; // the corresponding handlers
duke@435	185	static address _buffer; // the temporary code buffer
duke@435	186
duke@435	187	static address set_handler_blob();
duke@435	188	static void initialize();
duke@435	189	static address set_handler(CodeBuffer* buffer);
duke@435	190	static void pd_set_handler(address handler);
duke@435	191
duke@435	192	public:
duke@435	193	static void add(methodHandle method);
duke@435	194	};
stefank@2314	195
stefank@2314	196	#endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP