hotspot/src/cpu/x86/vm/jni_x86.h
author ysr
Tue, 10 Aug 2010 14:53:35 -0700
changeset 6253 228a0240f71e
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child 7397 5b173b4ca846
permissions -rw-r--r--
6973570: OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging Summary: volatile store to static variable removed in favour of a volatile store to stack to avoid excessive cache coherency traffic; verified that the volatile store is not elided by any of our current compilers. Reviewed-by: dholmes, dice, jcoomes, kvn
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/*
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 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef _JAVASOFT_JNI_MD_H_
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#define _JAVASOFT_JNI_MD_H_
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#if defined(SOLARIS) || defined(LINUX)
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  #define JNIEXPORT
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  #define JNIIMPORT
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  #define JNICALL
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  typedef int jint;
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#ifdef _LP64
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  typedef long jlong;
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#else
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  typedef long long jlong;
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#endif
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#else
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  #define JNIEXPORT __declspec(dllexport)
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  #define JNIIMPORT __declspec(dllimport)
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  #define JNICALL __stdcall
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  typedef int jint;
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  typedef __int64 jlong;
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#endif
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typedef signed char jbyte;
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#endif /* !_JAVASOFT_JNI_MD_H_ */