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

     1 /*
     2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
    26 #define OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
    28 #include "runtime/prefetch.hpp"
    30 #if defined(COMPILER2) || defined(_LP64)
    32 // For Sun Studio inplementation is in solaris_sparc.il
    33 // For gcc inplementation is just below
    34 extern "C" void _Prefetch_read (void *loc, intx interval);
    35 extern "C" void _Prefetch_write(void *loc, intx interval);
    37 inline void Prefetch::read(void *loc, intx interval) {
    38   _Prefetch_read(loc, interval);
    39 }
    41 inline void Prefetch::write(void *loc, intx interval) {
    42   _Prefetch_write(loc, interval);
    43 }
    45 #ifdef _GNU_SOURCE
    46 extern "C" {
    47   inline void _Prefetch_read (void *loc, intx interval) {
    48     __asm__ volatile
    49       ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
    50   }
    51   inline void _Prefetch_write(void *loc, intx interval) {
    52     __asm__ volatile
    53       ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );
    54   }
    55 }
    56 #endif // _GNU_SOURCE
    58 #else  // defined(COMPILER2) || defined(_LP64)
    60 inline void Prefetch::read (void *loc, intx interval) {}
    61 inline void Prefetch::write(void *loc, intx interval) {}
    63 #endif // defined(COMPILER2) || defined(_LP64)
    65 #endif // OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP

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