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src/cpu/zero/vm/interpreterRT_zero.hpp@a9becfeecd1b (annotated)

src/cpu/zero/vm/interpreterRT_zero.hpp

Wed, 22 Jan 2014 17:42:23 -0800

author

kvn

date

Wed, 22 Jan 2014 17:42:23 -0800

changeset 6503

a9becfeecd1b

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

Merge

never@1445	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
never@1445	3	* Copyright 2007, 2008 Red Hat, Inc.
never@1445	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	5	*
never@1445	6	* This code is free software; you can redistribute it and/or modify it
never@1445	7	* under the terms of the GNU General Public License version 2 only, as
never@1445	8	* published by the Free Software Foundation.
never@1445	9	*
never@1445	10	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	13	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	14	* accompanied this code).
never@1445	15	*
never@1445	16	* You should have received a copy of the GNU General Public License version
never@1445	17	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	19	*
trims@1907	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	21	* or visit www.oracle.com if you need additional information or have any
trims@1907	22	* questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
stefank@2314	26	#ifndef CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
stefank@2314	27	#define CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP
stefank@2314	28
stefank@2314	29	#include "memory/allocation.hpp"
stefank@2314	30
never@1445	31	class SignatureHandler {
never@1445	32	public:
never@1445	33	static SignatureHandler *from_handlerAddr(address handlerAddr) {
never@1445	34	return (SignatureHandler *) handlerAddr;
never@1445	35	}
never@1445	36
never@1445	37	public:
never@1445	38	ffi_cif* cif() const {
never@1445	39	return (ffi_cif *) this;
never@1445	40	}
never@1445	41
never@1445	42	int argument_count() const {
never@1445	43	return cif()->nargs;
never@1445	44	}
never@1445	45
never@1445	46	ffi_type** argument_types() const {
never@1445	47	return (ffi_type**) (cif() + 1);
never@1445	48	}
never@1445	49
never@1445	50	ffi_type* argument_type(int i) const {
never@1445	51	return argument_types()[i];
never@1445	52	}
never@1445	53
never@1445	54	ffi_type* result_type() const {
never@1445	55	return *(argument_types() + argument_count());
never@1445	56	}
never@1445	57
never@1445	58	protected:
never@1445	59	friend class InterpreterRuntime;
never@1445	60	friend class SignatureHandlerLibrary;
never@1445	61
never@1445	62	void finalize();
never@1445	63	};
never@1445	64
never@1445	65	class SignatureHandlerGeneratorBase : public NativeSignatureIterator {
never@1445	66	private:
never@1445	67	ffi_cif* _cif;
never@1445	68
never@1445	69	protected:
never@1445	70	SignatureHandlerGeneratorBase(methodHandle method, ffi_cif *cif)
never@1445	71	: NativeSignatureIterator(method), _cif(cif) {
never@1445	72	_cif->nargs = 0;
never@1445	73	}
never@1445	74
never@1445	75	ffi_cif *cif() const {
never@1445	76	return _cif;
never@1445	77	}
never@1445	78
never@1445	79	public:
never@1445	80	void generate(uint64_t fingerprint);
never@1445	81
never@1445	82	private:
never@1445	83	void pass_int();
never@1445	84	void pass_long();
never@1445	85	void pass_float();
never@1445	86	void pass_double();
never@1445	87	void pass_object();
never@1445	88
never@1445	89	private:
never@1445	90	void push(BasicType type);
never@1445	91	virtual void push(intptr_t value) = 0;
never@1445	92	};
never@1445	93
never@1445	94	class SignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
never@1445	95	private:
never@1445	96	CodeBuffer* _cb;
never@1445	97
never@1445	98	public:
never@1445	99	SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer)
twisti@2200	100	: SignatureHandlerGeneratorBase(method, (ffi_cif *) buffer->insts_end()),
never@1445	101	_cb(buffer) {
twisti@2200	102	_cb->set_insts_end((address) (cif() + 1));
never@1445	103	}
never@1445	104
never@1445	105	private:
never@1445	106	void push(intptr_t value) {
twisti@2200	107	intptr_t *dst = (intptr_t *) _cb->insts_end();
twisti@2200	108	_cb->set_insts_end((address) (dst + 1));
never@1445	109	*dst = value;
never@1445	110	}
never@1445	111	};
never@1445	112
never@1445	113	class SlowSignatureHandlerGenerator : public SignatureHandlerGeneratorBase {
never@1445	114	private:
never@1445	115	intptr_t *_dst;
never@1445	116
never@1445	117	public:
never@1445	118	SlowSignatureHandlerGenerator(methodHandle method, intptr_t* buf)
never@1445	119	: SignatureHandlerGeneratorBase(method, (ffi_cif *) buf) {
never@1445	120	_dst = (intptr_t *) (cif() + 1);
never@1445	121	}
never@1445	122
never@1445	123	private:
never@1445	124	void push(intptr_t value) {
never@1445	125	*(_dst++) = value;
never@1445	126	}
never@1445	127
never@1445	128	public:
never@1445	129	SignatureHandler *handler() const {
never@1445	130	return (SignatureHandler *) cif();
never@1445	131	}
never@1445	132	};
stefank@2314	133
stefank@2314	134	#endif // CPU_ZERO_VM_INTERPRETERRT_ZERO_HPP