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src/share/vm/interpreter/cppInterpreter.cpp@11d5942ef9c7 (annotated)

src/share/vm/interpreter/cppInterpreter.cpp

Tue, 12 Mar 2013 18:22:40 -0700

author

lana

date

Tue, 12 Mar 2013 18:22:40 -0700

changeset 4706

11d5942ef9c7

parent 4237

a3e2f723f2a5

child 6876

710a3c8b516e

permissions

-rw-r--r--

Merge

duke@435	1	/*
johnc@2781	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	#include "precompiled.hpp"
stefank@2314	26	#include "interpreter/bytecodeInterpreter.hpp"
stefank@2314	27	#include "interpreter/interpreter.hpp"
stefank@2314	28	#include "interpreter/interpreterGenerator.hpp"
stefank@2314	29	#include "interpreter/interpreterRuntime.hpp"
duke@435	30
duke@435	31	#ifdef CC_INTERP
duke@435	32	# define __ _masm->
duke@435	33
duke@435	34	void CppInterpreter::initialize() {
duke@435	35	if (_code != NULL) return;
duke@435	36	AbstractInterpreter::initialize();
duke@435	37
duke@435	38	// generate interpreter
duke@435	39	{ ResourceMark rm;
duke@435	40	TraceTime timer("Interpreter generation", TraceStartupTime);
duke@435	41	int code_size = InterpreterCodeSize;
duke@435	42	NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space
duke@435	43	_code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,
duke@435	44	"Interpreter");
duke@435	45	InterpreterGenerator g(_code);
duke@435	46	if (PrintInterpreter) print();
duke@435	47	}
duke@435	48
duke@435	49
duke@435	50	// Allow c++ interpreter to do one initialization now that switches are set, etc.
duke@435	51	BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);
duke@435	52	if (JvmtiExport::can_post_interpreter_events())
duke@435	53	BytecodeInterpreter::runWithChecks(&start_msg);
duke@435	54	else
duke@435	55	BytecodeInterpreter::run(&start_msg);
duke@435	56	}
duke@435	57
duke@435	58
duke@435	59	address CppInterpreter::_tosca_to_stack [AbstractInterpreter::number_of_result_handlers];
duke@435	60	address CppInterpreter::_stack_to_stack [AbstractInterpreter::number_of_result_handlers];
duke@435	61	address CppInterpreter::_stack_to_native_abi [AbstractInterpreter::number_of_result_handlers];
duke@435	62
duke@435	63	CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
duke@435	64	}
duke@435	65
duke@435	66	static const BasicType types[Interpreter::number_of_result_handlers] = {
duke@435	67	T_BOOLEAN,
duke@435	68	T_CHAR ,
duke@435	69	T_BYTE ,
duke@435	70	T_SHORT ,
duke@435	71	T_INT ,
duke@435	72	T_LONG ,
duke@435	73	T_VOID ,
duke@435	74	T_FLOAT ,
duke@435	75	T_DOUBLE ,
duke@435	76	T_OBJECT
duke@435	77	};
duke@435	78
duke@435	79	void CppInterpreterGenerator::generate_all() {
duke@435	80	AbstractInterpreterGenerator::generate_all();
duke@435	81
duke@435	82	{ CodeletMark cm(_masm, "result handlers for native calls");
duke@435	83	// The various result converter stublets.
duke@435	84	int is_generated[Interpreter::number_of_result_handlers];
duke@435	85	memset(is_generated, 0, sizeof(is_generated));
duke@435	86	int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];
duke@435	87	int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];
duke@435	88	int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];
duke@435	89
duke@435	90	memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));
duke@435	91	memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));
duke@435	92	memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));
duke@435	93	for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {
duke@435	94	BasicType type = types[i];
duke@435	95	if (!is_generated[Interpreter::BasicType_as_index(type)]++) {
duke@435	96	Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);
duke@435	97	}
duke@435	98	if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
duke@435	99	Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);
duke@435	100	}
duke@435	101	if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
duke@435	102	Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);
duke@435	103	}
duke@435	104	if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {
duke@435	105	Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);
duke@435	106	}
duke@435	107	}
duke@435	108	}
duke@435	109
duke@435	110
duke@435	111	#define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
duke@435	112
duke@435	113	{ CodeletMark cm(_masm, "(kind = frame_manager)");
duke@435	114	// all non-native method kinds
duke@435	115	method_entry(zerolocals);
duke@435	116	method_entry(zerolocals_synchronized);
duke@435	117	method_entry(empty);
duke@435	118	method_entry(accessor);
duke@435	119	method_entry(abstract);
duke@435	120	method_entry(java_lang_math_sin );
duke@435	121	method_entry(java_lang_math_cos );
duke@435	122	method_entry(java_lang_math_tan );
duke@435	123	method_entry(java_lang_math_abs );
duke@435	124	method_entry(java_lang_math_sqrt );
duke@435	125	method_entry(java_lang_math_log );
duke@435	126	method_entry(java_lang_math_log10 );
twisti@4237	127	method_entry(java_lang_math_pow );
twisti@4237	128	method_entry(java_lang_math_exp );
johnc@2781	129	method_entry(java_lang_ref_reference_get);
twisti@4237	130
twisti@4237	131	initialize_method_handle_entries();
twisti@4237	132
duke@435	133	Interpreter::_native_entry_begin = Interpreter::code()->code_end();
duke@435	134	method_entry(native);
duke@435	135	method_entry(native_synchronized);
duke@435	136	Interpreter::_native_entry_end = Interpreter::code()->code_end();
duke@435	137	}
duke@435	138
duke@435	139
duke@435	140	#undef method_entry
duke@435	141
duke@435	142	}
duke@435	143
duke@435	144	#endif // CC_INTERP