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src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp@1e9a9d2e6509 (annotated)

src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp

Thu, 21 Oct 2010 11:55:10 -0700

author

never

date

Thu, 21 Oct 2010 11:55:10 -0700

changeset 2262

1e9a9d2e6509

parent 2066

a6bff45449bc

child 2314

f95d63e2154a

permissions

-rw-r--r--

6970683: improvements to hs_err output
Reviewed-by: kvn, jrose, dholmes, coleenp

duke@435	1	/*
ysr@2066	2	* Copyright (c) 2003, 2010, 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
duke@435	25	// Implementation of class OrderAccess.
duke@435	26
duke@435	27	// Assume TSO.
duke@435	28
duke@435	29	// In solaris_sparc.il
duke@435	30	extern "C" void _OrderAccess_acquire();
duke@435	31	extern "C" void _OrderAccess_fence();
duke@435	32
duke@435	33	inline void OrderAccess::loadload() { acquire(); }
duke@435	34	inline void OrderAccess::storestore() { release(); }
duke@435	35	inline void OrderAccess::loadstore() { acquire(); }
duke@435	36	inline void OrderAccess::storeload() { fence(); }
duke@435	37
duke@435	38	#ifdef _GNU_SOURCE
duke@435	39
duke@435	40	inline void OrderAccess::acquire() {
duke@435	41	__asm__ volatile ("nop" : : :);
duke@435	42	}
duke@435	43
duke@435	44	inline void OrderAccess::release() {
ysr@2066	45	jint* local_dummy = (jint*)&local_dummy;
ysr@2066	46	__asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory");
duke@435	47	}
duke@435	48
duke@435	49	inline void OrderAccess::fence() {
duke@435	50	__asm__ volatile ("membar #StoreLoad" : : :);
duke@435	51	}
duke@435	52
duke@435	53	#else // _GNU_SOURCE
duke@435	54
duke@435	55	inline void OrderAccess::acquire() {
duke@435	56	_OrderAccess_acquire();
duke@435	57	}
duke@435	58
duke@435	59	inline void OrderAccess::release() {
ysr@2066	60	// Avoid hitting the same cache-line from
ysr@2066	61	// different threads.
ysr@2066	62	volatile jint local_dummy = 0;
duke@435	63	}
duke@435	64
duke@435	65	inline void OrderAccess::fence() {
duke@435	66	_OrderAccess_fence();
duke@435	67	}
duke@435	68
duke@435	69	#endif // _GNU_SOURCE
duke@435	70
duke@435	71	inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
duke@435	72	inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
duke@435	73	inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
duke@435	74	inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; }
duke@435	75	inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
duke@435	76	inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
duke@435	77	inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
duke@435	78	inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; }
duke@435	79	inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
duke@435	80	inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
duke@435	81
duke@435	82	inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
duke@435	83	inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
duke@435	84	inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
duke@435	85
duke@435	86	inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
duke@435	87	inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
duke@435	88	inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
duke@435	89	inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; }
duke@435	90	inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
duke@435	91	inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
duke@435	92	inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
duke@435	93	inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; }
duke@435	94	inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
duke@435	95	inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
duke@435	96
duke@435	97	inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
duke@435	98	inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
duke@435	99
duke@435	100	inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
duke@435	101	inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
duke@435	102	inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
duke@435	103	inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
duke@435	104	inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
duke@435	105	inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
duke@435	106	inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
duke@435	107	inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
duke@435	108	inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
duke@435	109	inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
duke@435	110
duke@435	111	inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
duke@435	112	inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
duke@435	113
duke@435	114	inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
duke@435	115	inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
duke@435	116	inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
duke@435	117	inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
duke@435	118	inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
duke@435	119	inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
duke@435	120	inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
duke@435	121	inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
duke@435	122	inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
duke@435	123	inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
duke@435	124
duke@435	125	inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
duke@435	126	inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }