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src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp@f90c822e73f8 (annotated)

src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#ifndef CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
aoqi@0	26	#define CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
aoqi@0	27
aoqi@0	28	void pd_init() { /* nothing to do */ }
aoqi@0	29
aoqi@0	30	public:
aoqi@0	31	void try_allocate(
aoqi@0	32	Register obj, // result: pointer to object after successful allocation
aoqi@0	33	Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
aoqi@0	34	int con_size_in_bytes, // object size in bytes if known at compile time
aoqi@0	35	Register t1, // temp register
aoqi@0	36	Register t2, // temp register
aoqi@0	37	Label& slow_case // continuation point if fast allocation fails
aoqi@0	38	);
aoqi@0	39
aoqi@0	40	void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
aoqi@0	41	void initialize_body(Register base, Register index);
aoqi@0	42
aoqi@0	43	// locking/unlocking
aoqi@0	44	void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
aoqi@0	45	void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case);
aoqi@0	46
aoqi@0	47	void initialize_object(
aoqi@0	48	Register obj, // result: pointer to object after successful allocation
aoqi@0	49	Register klass, // object klass
aoqi@0	50	Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
aoqi@0	51	int con_size_in_bytes, // object size in bytes if known at compile time
aoqi@0	52	Register t1, // temp register
aoqi@0	53	Register t2 // temp register
aoqi@0	54	);
aoqi@0	55
aoqi@0	56	// allocation of fixed-size objects
aoqi@0	57	// (can also be used to allocate fixed-size arrays, by setting
aoqi@0	58	// hdr_size correctly and storing the array length afterwards)
aoqi@0	59	void allocate_object(
aoqi@0	60	Register obj, // result: pointer to object after successful allocation
aoqi@0	61	Register t1, // temp register
aoqi@0	62	Register t2, // temp register
aoqi@0	63	Register t3, // temp register
aoqi@0	64	int hdr_size, // object header size in words
aoqi@0	65	int obj_size, // object size in words
aoqi@0	66	Register klass, // object klass
aoqi@0	67	Label& slow_case // continuation point if fast allocation fails
aoqi@0	68	);
aoqi@0	69
aoqi@0	70	enum {
aoqi@0	71	max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
aoqi@0	72	};
aoqi@0	73
aoqi@0	74	// allocation of arrays
aoqi@0	75	void allocate_array(
aoqi@0	76	Register obj, // result: pointer to array after successful allocation
aoqi@0	77	Register len, // array length
aoqi@0	78	Register t1, // temp register
aoqi@0	79	Register t2, // temp register
aoqi@0	80	Register t3, // temp register
aoqi@0	81	int hdr_size, // object header size in words
aoqi@0	82	int elt_size, // element size in bytes
aoqi@0	83	Register klass, // object klass
aoqi@0	84	Label& slow_case // continuation point if fast allocation fails
aoqi@0	85	);
aoqi@0	86
aoqi@0	87	// invalidates registers in this window
aoqi@0	88	void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
aoqi@0	89	Register preserve1 = noreg, Register preserve2 = noreg);
aoqi@0	90
aoqi@0	91	#endif // CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP