jdk-sandbox: hotspot/src/os_cpu/solaris_sparc/vm/solaris

1 489c9b5090e2 Initial load duke parents: diff changeset	1	!!
489c9b5090e2 Initial load duke parents: diff changeset	2	!! Copyright 2005-2007 Sun Microsystems, Inc. All Rights Reserved.
489c9b5090e2 Initial load duke parents: diff changeset	3	!! DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load duke parents: diff changeset	4	!!
489c9b5090e2 Initial load duke parents: diff changeset	5	!! This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load duke parents: diff changeset	6	!! under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load duke parents: diff changeset	7	!! published by the Free Software Foundation.
489c9b5090e2 Initial load duke parents: diff changeset	8	!!
489c9b5090e2 Initial load duke parents: diff changeset	9	!! This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load duke parents: diff changeset	10	!! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load duke parents: diff changeset	11	!! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
489c9b5090e2 Initial load duke parents: diff changeset	12	!! version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load duke parents: diff changeset	13	!! accompanied this code).
489c9b5090e2 Initial load duke parents: diff changeset	14	!!
489c9b5090e2 Initial load duke parents: diff changeset	15	!! You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load duke parents: diff changeset	16	!! 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load duke parents: diff changeset	17	!! Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load duke parents: diff changeset	18	!!
489c9b5090e2 Initial load duke parents: diff changeset	19	!! Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load duke parents: diff changeset	20	!! CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load duke parents: diff changeset	21	!! have any questions.
489c9b5090e2 Initial load duke parents: diff changeset	22	!!
489c9b5090e2 Initial load duke parents: diff changeset	23
489c9b5090e2 Initial load duke parents: diff changeset	24	!! Prototype: int SafeFetch32 (int * adr, int ErrValue)
489c9b5090e2 Initial load duke parents: diff changeset	25	!! The "ld" at Fetch32 is potentially faulting instruction.
489c9b5090e2 Initial load duke parents: diff changeset	26	!! If the instruction traps the trap handler will arrange
489c9b5090e2 Initial load duke parents: diff changeset	27	!! for control to resume at Fetch32Resume.
489c9b5090e2 Initial load duke parents: diff changeset	28	!! By convention with the trap handler we ensure there is a non-CTI
489c9b5090e2 Initial load duke parents: diff changeset	29	!! instruction in the trap shadow.
489c9b5090e2 Initial load duke parents: diff changeset	30	!!
489c9b5090e2 Initial load duke parents: diff changeset	31	!! The reader might be tempted to move this service to .il.
489c9b5090e2 Initial load duke parents: diff changeset	32	!! Don't. Sun's CC back-end reads and optimize code emitted
489c9b5090e2 Initial load duke parents: diff changeset	33	!! by the .il "call", in some cases optimizing the code, completely eliding it,
489c9b5090e2 Initial load duke parents: diff changeset	34	!! or by moving the code from the "call site".
489c9b5090e2 Initial load duke parents: diff changeset	35
360 21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	36	!! ASM better know we may use G6 for our own purposes
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	37	.register %g6, #ignore
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	38
1 489c9b5090e2 Initial load duke parents: diff changeset	39	.globl SafeFetch32
489c9b5090e2 Initial load duke parents: diff changeset	40	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	41	.global Fetch32PFI, Fetch32Resume
489c9b5090e2 Initial load duke parents: diff changeset	42	SafeFetch32:
489c9b5090e2 Initial load duke parents: diff changeset	43	mov %o0, %g1
489c9b5090e2 Initial load duke parents: diff changeset	44	mov %o1, %o0
489c9b5090e2 Initial load duke parents: diff changeset	45	Fetch32PFI:
489c9b5090e2 Initial load duke parents: diff changeset	46	ld [%g1], %o0 !! <-- Potentially faulting instruction
489c9b5090e2 Initial load duke parents: diff changeset	47	Fetch32Resume:
489c9b5090e2 Initial load duke parents: diff changeset	48	nop
489c9b5090e2 Initial load duke parents: diff changeset	49	retl
489c9b5090e2 Initial load duke parents: diff changeset	50	nop
489c9b5090e2 Initial load duke parents: diff changeset	51
489c9b5090e2 Initial load duke parents: diff changeset	52	.globl SafeFetchN
489c9b5090e2 Initial load duke parents: diff changeset	53	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	54	.globl FetchNPFI, FetchNResume
489c9b5090e2 Initial load duke parents: diff changeset	55	SafeFetchN:
489c9b5090e2 Initial load duke parents: diff changeset	56	mov %o0, %g1
489c9b5090e2 Initial load duke parents: diff changeset	57	mov %o1, %o0
489c9b5090e2 Initial load duke parents: diff changeset	58	FetchNPFI:
489c9b5090e2 Initial load duke parents: diff changeset	59	ldn [%g1], %o0
489c9b5090e2 Initial load duke parents: diff changeset	60	FetchNResume:
489c9b5090e2 Initial load duke parents: diff changeset	61	nop
489c9b5090e2 Initial load duke parents: diff changeset	62	retl
489c9b5090e2 Initial load duke parents: diff changeset	63	nop
489c9b5090e2 Initial load duke parents: diff changeset	64
489c9b5090e2 Initial load duke parents: diff changeset	65	!! Possibilities:
489c9b5090e2 Initial load duke parents: diff changeset	66	!! -- membar
489c9b5090e2 Initial load duke parents: diff changeset	67	!! -- CAS (SP + BIAS, G0, G0)
489c9b5090e2 Initial load duke parents: diff changeset	68	!! -- wr %g0, %asi
489c9b5090e2 Initial load duke parents: diff changeset	69
489c9b5090e2 Initial load duke parents: diff changeset	70	.global SpinPause
489c9b5090e2 Initial load duke parents: diff changeset	71	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	72	SpinPause:
489c9b5090e2 Initial load duke parents: diff changeset	73	retl
489c9b5090e2 Initial load duke parents: diff changeset	74	mov %g0, %o0
489c9b5090e2 Initial load duke parents: diff changeset	75
489c9b5090e2 Initial load duke parents: diff changeset	76
489c9b5090e2 Initial load duke parents: diff changeset	77
489c9b5090e2 Initial load duke parents: diff changeset	78	.globl _Copy_conjoint_jlongs_atomic
489c9b5090e2 Initial load duke parents: diff changeset	79	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	80	.global _Copy_conjoint_jlongs_atomic
489c9b5090e2 Initial load duke parents: diff changeset	81	_Copy_conjoint_jlongs_atomic:
489c9b5090e2 Initial load duke parents: diff changeset	82	cmp %o0, %o1
489c9b5090e2 Initial load duke parents: diff changeset	83	bleu 4f
489c9b5090e2 Initial load duke parents: diff changeset	84	sll %o2, 3, %o4
489c9b5090e2 Initial load duke parents: diff changeset	85	ba 2f
489c9b5090e2 Initial load duke parents: diff changeset	86	1:
489c9b5090e2 Initial load duke parents: diff changeset	87	subcc %o4, 8, %o4
489c9b5090e2 Initial load duke parents: diff changeset	88	std %o2, [%o1]
489c9b5090e2 Initial load duke parents: diff changeset	89	add %o0, 8, %o0
489c9b5090e2 Initial load duke parents: diff changeset	90	add %o1, 8, %o1
489c9b5090e2 Initial load duke parents: diff changeset	91	2:
489c9b5090e2 Initial load duke parents: diff changeset	92	bge,a 1b
489c9b5090e2 Initial load duke parents: diff changeset	93	ldd [%o0], %o2
489c9b5090e2 Initial load duke parents: diff changeset	94	ba 5f
489c9b5090e2 Initial load duke parents: diff changeset	95	nop
489c9b5090e2 Initial load duke parents: diff changeset	96	3:
489c9b5090e2 Initial load duke parents: diff changeset	97	std %o2, [%o1+%o4]
489c9b5090e2 Initial load duke parents: diff changeset	98	4:
489c9b5090e2 Initial load duke parents: diff changeset	99	subcc %o4, 8, %o4
489c9b5090e2 Initial load duke parents: diff changeset	100	bge,a 3b
489c9b5090e2 Initial load duke parents: diff changeset	101	ldd [%o0+%o4], %o2
489c9b5090e2 Initial load duke parents: diff changeset	102	5:
489c9b5090e2 Initial load duke parents: diff changeset	103	retl
489c9b5090e2 Initial load duke parents: diff changeset	104	nop
489c9b5090e2 Initial load duke parents: diff changeset	105
489c9b5090e2 Initial load duke parents: diff changeset	106
489c9b5090e2 Initial load duke parents: diff changeset	107
489c9b5090e2 Initial load duke parents: diff changeset	108	.globl _raw_thread_id
489c9b5090e2 Initial load duke parents: diff changeset	109	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	110	_raw_thread_id:
360 21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	111	.register %g7, #scratch
1 489c9b5090e2 Initial load duke parents: diff changeset	112	retl
489c9b5090e2 Initial load duke parents: diff changeset	113	mov %g7, %o0
489c9b5090e2 Initial load duke parents: diff changeset	114
489c9b5090e2 Initial load duke parents: diff changeset	115
489c9b5090e2 Initial load duke parents: diff changeset	116	.globl _flush_reg_windows
489c9b5090e2 Initial load duke parents: diff changeset	117	.align 32
489c9b5090e2 Initial load duke parents: diff changeset	118	_flush_reg_windows:
489c9b5090e2 Initial load duke parents: diff changeset	119	ta 0x03
489c9b5090e2 Initial load duke parents: diff changeset	120	retl
489c9b5090e2 Initial load duke parents: diff changeset	121	mov %fp, %o0
489c9b5090e2 Initial load duke parents: diff changeset	122
489c9b5090e2 Initial load duke parents: diff changeset	123

author	coleenp
	Sun, 13 Apr 2008 17:43:42 -0400
changeset 360	21d113ecbf6a
parent 1	489c9b5090e2
child 670	ddf3e9583f2f
permissions	-rw-r--r--