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src/os_cpu/solaris_sparc/vm/prefetch_solaris_sparc.inline.hpp@d70fe6ab4436 (annotated)

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

Tue, 01 Feb 2011 11:23:19 -0500

author

coleenp

date

Tue, 01 Feb 2011 11:23:19 -0500

changeset 2507

d70fe6ab4436

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never

duke@435	1	/*
stefank@2314	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
stefank@2314	25	#ifndef OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
stefank@2314	26	#define OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
stefank@2314	27
stefank@2314	28	#include "runtime/prefetch.hpp"
stefank@2314	29
duke@435	30	#if defined(COMPILER2) || defined(_LP64)
duke@435	31
duke@435	32	// For Sun Studio inplementation is in solaris_sparc.il
duke@435	33	// For gcc inplementation is just below
duke@435	34	extern "C" void _Prefetch_read (void *loc, intx interval);
duke@435	35	extern "C" void _Prefetch_write(void *loc, intx interval);
duke@435	36
duke@435	37	inline void Prefetch::read(void *loc, intx interval) {
duke@435	38	_Prefetch_read(loc, interval);
duke@435	39	}
duke@435	40
duke@435	41	inline void Prefetch::write(void *loc, intx interval) {
duke@435	42	_Prefetch_write(loc, interval);
duke@435	43	}
duke@435	44
duke@435	45	#ifdef _GNU_SOURCE
duke@435	46	extern "C" {
duke@435	47	inline void _Prefetch_read (void *loc, intx interval) {
duke@435	48	__asm__ volatile
duke@435	49	("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
duke@435	50	}
duke@435	51	inline void _Prefetch_write(void *loc, intx interval) {
duke@435	52	__asm__ volatile
duke@435	53	("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );
duke@435	54	}
duke@435	55	}
duke@435	56	#endif // _GNU_SOURCE
duke@435	57
duke@435	58	#else // defined(COMPILER2) || defined(_LP64)
duke@435	59
duke@435	60	inline void Prefetch::read (void *loc, intx interval) {}
duke@435	61	inline void Prefetch::write(void *loc, intx interval) {}
duke@435	62
duke@435	63	#endif // defined(COMPILER2) || defined(_LP64)
stefank@2314	64
stefank@2314	65	#endif // OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP