Mercurial > hg > truffle
view src/os_cpu/linux_zero/vm/os_linux_zero.hpp @ 1073:de44705e6b33
Merge
author | cfang |
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date | Tue, 24 Nov 2009 11:49:42 -0800 |
parents | 354d3184f6b2 |
children | 3b687c53c266 |
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/* * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2007, 2008 Red Hat, Inc. * 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. * */ static void setup_fpu() {} static bool is_allocatable(size_t bytes); // Used to register dynamic code cache area with the OS // Note: Currently only used in 64 bit Windows implementations static bool register_code_area(char *low, char *high) { return true; } // Atomically copy 64 bits of data static void atomic_copy64(volatile void *src, volatile void *dst) { #if defined(PPC) && !defined(_LP64) double tmp; asm volatile ("lfd %0, 0(%1)\n" "stfd %0, 0(%2)\n" : "=f"(tmp) : "b"(src), "b"(dst)); #else *(jlong *) dst = *(jlong *) src; #endif // PPC && !_LP64 }