Mercurial > hg > truffle
view src/os_cpu/linux_sparc/vm/prefetch_linux_sparc.inline.hpp @ 1325:98ba8ca25feb
6936168: Recent fix for unmapping stack guard pages doesn't close /proc/self/maps
Summary: Add close to returns (fix for 6929067 also contributed by aph)
Reviewed-by: aph, dcubed, andrew, acorn
Contributed-by: aph@redhat.com, andreas.kohn@fredhopper.com
author | coleenp |
---|---|
date | Thu, 18 Mar 2010 16:47:37 -0400 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
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/* * Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #if defined(COMPILER2) || defined(_LP64) inline void Prefetch::read(void *loc, intx interval) { __asm__ volatile("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" ); } inline void Prefetch::write(void *loc, intx interval) { __asm__ volatile("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" ); } #else inline void Prefetch::read (void *loc, intx interval) {} inline void Prefetch::write(void *loc, intx interval) {} #endif