os_solaris_x86.hpp revision 0:a61af66fc99e
1/* 2 * Copyright 1999-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 // 26 // NOTE: we are back in class os here, not Solaris 27 // 28#ifdef AMD64 29 static void setup_fpu() {} 30#else 31 static jint (*atomic_xchg_func) (jint, volatile jint*); 32 static jint (*atomic_cmpxchg_func) (jint, volatile jint*, jint); 33 static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong); 34 static jint (*atomic_add_func) (jint, volatile jint*); 35 static void (*fence_func) (); 36 37 static jint atomic_xchg_bootstrap (jint, volatile jint*); 38 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint); 39 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong); 40 static jint atomic_add_bootstrap (jint, volatile jint*); 41 static void fence_bootstrap (); 42 43 static void setup_fpu(); 44 static bool supports_sse(); 45#endif // AMD64 46 47 static bool is_allocatable(size_t bytes); 48 49 // Used to register dynamic code cache area with the OS 50 // Note: Currently only used in 64 bit Windows implementations 51 static bool register_code_area(char *low, char *high) { return true; } 52