• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/zero/vm/interpreterRT_zero.cpp@354d3184f6b2 (annotated)

src/cpu/zero/vm/interpreterRT_zero.cpp

Tue, 13 Oct 2009 12:04:21 -0700

author

never

date

Tue, 13 Oct 2009 12:04:21 -0700

changeset 1445

354d3184f6b2

child 1814

f9271ff9d324

permissions

-rw-r--r--

6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com

never@1445	1	/*
never@1445	2	* Copyright 2003-2005 Sun Microsystems, Inc. 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	*
never@1445	20	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
never@1445	21	* CA 95054 USA or visit www.sun.com if you need additional information or
never@1445	22	* have any questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
never@1445	26	#include "incls/_precompiled.incl"
never@1445	27	#include "incls/_interpreterRT_zero.cpp.incl"
never@1445	28
never@1445	29	void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_int() {
never@1445	30	push(T_INT);
never@1445	31	_cif->nargs++;
never@1445	32	}
never@1445	33
never@1445	34	void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_long() {
never@1445	35	push(T_LONG);
never@1445	36	_cif->nargs++;
never@1445	37	}
never@1445	38
never@1445	39	void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_float() {
never@1445	40	push(T_FLOAT);
never@1445	41	_cif->nargs++;
never@1445	42	}
never@1445	43
never@1445	44	void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_double() {
never@1445	45	push(T_DOUBLE);
never@1445	46	_cif->nargs++;
never@1445	47	}
never@1445	48
never@1445	49	void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_object() {
never@1445	50	push(T_OBJECT);
never@1445	51	_cif->nargs++;
never@1445	52	}
never@1445	53
never@1445	54	void InterpreterRuntime::SignatureHandlerGeneratorBase::push(BasicType type) {
never@1445	55	ffi_type *ftype;
never@1445	56	switch (type) {
never@1445	57	case T_VOID:
never@1445	58	ftype = &ffi_type_void;
never@1445	59	break;
never@1445	60
never@1445	61	case T_BOOLEAN:
never@1445	62	ftype = &ffi_type_uint8;
never@1445	63	break;
never@1445	64
never@1445	65	case T_CHAR:
never@1445	66	ftype = &ffi_type_uint16;
never@1445	67	break;
never@1445	68
never@1445	69	case T_BYTE:
never@1445	70	ftype = &ffi_type_sint8;
never@1445	71	break;
never@1445	72
never@1445	73	case T_SHORT:
never@1445	74	ftype = &ffi_type_sint16;
never@1445	75	break;
never@1445	76
never@1445	77	case T_INT:
never@1445	78	ftype = &ffi_type_sint32;
never@1445	79	break;
never@1445	80
never@1445	81	case T_LONG:
never@1445	82	ftype = &ffi_type_sint64;
never@1445	83	break;
never@1445	84
never@1445	85	case T_FLOAT:
never@1445	86	ftype = &ffi_type_float;
never@1445	87	break;
never@1445	88
never@1445	89	case T_DOUBLE:
never@1445	90	ftype = &ffi_type_double;
never@1445	91	break;
never@1445	92
never@1445	93	case T_OBJECT:
never@1445	94	case T_ARRAY:
never@1445	95	ftype = &ffi_type_pointer;
never@1445	96	break;
never@1445	97
never@1445	98	default:
never@1445	99	ShouldNotReachHere();
never@1445	100	}
never@1445	101	push((intptr_t) ftype);
never@1445	102	}
never@1445	103
never@1445	104	// For fast signature handlers the "signature handler" is generated
never@1445	105	// into a temporary buffer. It is then copied to its final location,
never@1445	106	// and pd_set_handler is called on it. We have this two stage thing
never@1445	107	// to accomodate this.
never@1445	108
never@1445	109	void InterpreterRuntime::SignatureHandlerGeneratorBase::generate(
never@1445	110	uint64_t fingerprint) {
never@1445	111
never@1445	112	// Build the argument types list
never@1445	113	pass_object();
never@1445	114	if (method()->is_static())
never@1445	115	pass_object();
never@1445	116	iterate(fingerprint);
never@1445	117
never@1445	118	// Tack on the result type
never@1445	119	push(method()->result_type());
never@1445	120	}
never@1445	121
never@1445	122	void InterpreterRuntime::SignatureHandler::finalize() {
never@1445	123	ffi_status status =
never@1445	124	ffi_prep_cif(cif(),
never@1445	125	FFI_DEFAULT_ABI,
never@1445	126	argument_count(),
never@1445	127	result_type(),
never@1445	128	argument_types());
never@1445	129
never@1445	130	assert(status == FFI_OK, "should be");
never@1445	131	}
never@1445	132
never@1445	133	IRT_ENTRY(address,
never@1445	134	InterpreterRuntime::slow_signature_handler(JavaThread* thread,
never@1445	135	methodOop method,
never@1445	136	intptr_t* unused1,
never@1445	137	intptr_t* unused2))
never@1445	138	ZeroStack *stack = thread->zero_stack();
never@1445	139
never@1445	140	int required_words =
never@1445	141	(align_size_up(sizeof(ffi_cif), wordSize) >> LogBytesPerWord) +
never@1445	142	(method->is_static() ? 2 : 1) + method->size_of_parameters() + 1;
never@1445	143	if (required_words > stack->available_words()) {
never@1445	144	Unimplemented();
never@1445	145	}
never@1445	146
never@1445	147	intptr_t *buf = (intptr_t *) stack->alloc(required_words * wordSize);
never@1445	148	SlowSignatureHandlerGenerator sshg(methodHandle(thread, method), buf);
never@1445	149	sshg.generate(UCONST64(-1));
never@1445	150
never@1445	151	SignatureHandler *handler = sshg.handler();
never@1445	152	handler->finalize();
never@1445	153
never@1445	154	return (address) handler;
never@1445	155	IRT_END
never@1445	156
never@1445	157	void SignatureHandlerLibrary::pd_set_handler(address handlerAddr) {
never@1445	158	InterpreterRuntime::SignatureHandler *handler =
never@1445	159	InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr);
never@1445	160
never@1445	161	handler->finalize();
never@1445	162	}