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src/share/vm/interpreter/interpreterRuntime.hpp@c18cbe5936b8 (annotated)

src/share/vm/interpreter/interpreterRuntime.hpp

Thu, 27 May 2010 19:08:38 -0700

author

trims

date

Thu, 27 May 2010 19:08:38 -0700

changeset 1907

c18cbe5936b8

parent 1494

389049f3f393

child 1934

e9ff18c4ace7

permissions

-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

duke@435	1	/*
trims@1907	2	* Copyright (c) 1997, 2009, 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
duke@435	25	// The InterpreterRuntime is called by the interpreter for everything
duke@435	26	// that cannot/should not be dealt with in assembly and needs C support.
duke@435	27
duke@435	28	class InterpreterRuntime: AllStatic {
duke@435	29	friend class BytecodeClosure; // for method and bcp
duke@435	30	friend class PrintingClosure; // for method and bcp
duke@435	31
duke@435	32	private:
duke@435	33	// Helper functions to access current interpreter state
duke@435	34	static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
duke@435	35	static methodOop method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
duke@435	36	static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
duke@435	37	static void set_bcp_and_mdp(address bcp, JavaThread*thread);
coleenp@548	38	static Bytecodes::Code code(JavaThread *thread) {
coleenp@548	39	// pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
coleenp@548	40	return Bytecodes::code_at(bcp(thread), method(thread));
coleenp@548	41	}
duke@435	42	static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
duke@435	43	static int one_byte_index(JavaThread *thread) { return bcp(thread)[1]; }
duke@435	44	static int two_byte_index(JavaThread *thread) { return Bytes::get_Java_u2(bcp(thread) + 1); }
jrose@1161	45	static int four_byte_index(JavaThread *thread) { return Bytes::get_native_u4(bcp(thread) + 1); }
duke@435	46	static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
jrose@1161	47
jrose@1161	48	static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
jrose@1161	49	static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
duke@435	50	static void note_trap(JavaThread *thread, int reason, TRAPS);
duke@435	51
ysr@1376	52	// Inner work method for Interpreter's frequency counter overflow
ysr@1376	53	static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
ysr@1376	54
duke@435	55	public:
duke@435	56	// Constants
duke@435	57	static void ldc (JavaThread* thread, bool wide);
duke@435	58
duke@435	59	// Allocation
duke@435	60	static void _new (JavaThread* thread, constantPoolOopDesc* pool, int index);
duke@435	61	static void newarray (JavaThread* thread, BasicType type, jint size);
duke@435	62	static void anewarray (JavaThread* thread, constantPoolOopDesc* pool, int index, jint size);
duke@435	63	static void multianewarray(JavaThread* thread, jint* first_size_address);
duke@435	64	static void register_finalizer(JavaThread* thread, oopDesc* obj);
duke@435	65
duke@435	66	// Quicken instance-of and check-cast bytecodes
duke@435	67	static void quicken_io_cc(JavaThread* thread);
duke@435	68
duke@435	69	// Exceptions thrown by the interpreter
duke@435	70	static void throw_AbstractMethodError(JavaThread* thread);
duke@435	71	static void throw_IncompatibleClassChangeError(JavaThread* thread);
duke@435	72	static void throw_StackOverflowError(JavaThread* thread);
duke@435	73	static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
duke@435	74	static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
jrose@1145	75	static void throw_WrongMethodTypeException(JavaThread* thread, oopDesc* mtype = NULL, oopDesc* mhandle = NULL);
duke@435	76	static void create_exception(JavaThread* thread, char* name, char* message);
duke@435	77	static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
duke@435	78	static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
duke@435	79	static void throw_pending_exception(JavaThread* thread);
duke@435	80
duke@435	81	// Statics & fields
duke@435	82	static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
duke@435	83
duke@435	84	// Synchronization
duke@435	85	static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
duke@435	86	static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
duke@435	87
duke@435	88	static void throw_illegal_monitor_state_exception(JavaThread* thread);
duke@435	89	static void new_illegal_monitor_state_exception(JavaThread* thread);
duke@435	90
duke@435	91	// Calls
jrose@1161	92	static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
jrose@1161	93	static void resolve_invokedynamic(JavaThread* thread);
duke@435	94
duke@435	95	// Breakpoints
duke@435	96	static void _breakpoint(JavaThread* thread, methodOopDesc* method, address bcp);
duke@435	97	static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp);
duke@435	98	static void set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code);
duke@435	99	static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
duke@435	100
duke@435	101	// Safepoints
duke@435	102	static void at_safepoint(JavaThread* thread);
duke@435	103
duke@435	104	// Debugger support
duke@435	105	static void post_field_access(JavaThread *thread, oopDesc* obj,
duke@435	106	ConstantPoolCacheEntry *cp_entry);
duke@435	107	static void post_field_modification(JavaThread *thread, oopDesc* obj,
duke@435	108	ConstantPoolCacheEntry *cp_entry, jvalue *value);
duke@435	109	static void post_method_entry(JavaThread *thread);
duke@435	110	static void post_method_exit (JavaThread *thread);
duke@435	111	static int interpreter_contains(address pc);
duke@435	112
duke@435	113	// Native signature handlers
duke@435	114	static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
duke@435	115	static address slow_signature_handler(JavaThread* thread,
duke@435	116	methodOopDesc* method,
duke@435	117	intptr_t* from, intptr_t* to);
duke@435	118
duke@435	119	#if defined(IA32) || defined(AMD64)
duke@435	120	// Popframe support (only needed on x86 and AMD64)
duke@435	121	static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
duke@435	122	#endif
duke@435	123
duke@435	124	// Platform dependent stuff
duke@435	125	#include "incls/_interpreterRT_pd.hpp.incl"
duke@435	126
duke@435	127	// Interpreter's frequency counter overflow
duke@435	128	static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
duke@435	129
duke@435	130	// Interpreter profiling support
duke@435	131	static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
duke@435	132	static jint profile_method(JavaThread* thread, address cur_bcp);
duke@435	133	static void update_mdp_for_ret(JavaThread* thread, int bci);
duke@435	134	#ifdef ASSERT
duke@435	135	static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
duke@435	136	#endif // ASSERT
duke@435	137	};
duke@435	138
duke@435	139
duke@435	140	class SignatureHandlerLibrary: public AllStatic {
duke@435	141	public:
duke@435	142	enum { buffer_size = 1*K }; // the size of the temporary code buffer
duke@435	143	enum { blob_size = 32*K }; // the size of a handler code blob.
duke@435	144
duke@435	145	private:
duke@435	146	static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
duke@435	147	static address _handler; // next available address within _handler_blob;
duke@435	148	static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
duke@435	149	static GrowableArray<address>* _handlers; // the corresponding handlers
duke@435	150	static address _buffer; // the temporary code buffer
duke@435	151
duke@435	152	static address set_handler_blob();
duke@435	153	static void initialize();
duke@435	154	static address set_handler(CodeBuffer* buffer);
duke@435	155	static void pd_set_handler(address handler);
duke@435	156
duke@435	157	public:
duke@435	158	static void add(methodHandle method);
duke@435	159	};