1 /* 2 * Copyright (c) 1997, 2007, 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 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_stubRoutines_sparc.cpp.incl" 27 28 // Implementation of the platform-specific part of StubRoutines - for 29 // a description of how to extend it, see the stubRoutines.hpp file. 30 31 32 extern "C" { 33 address _flush_reg_windows(); // in .s file. 34 // Flush registers to stack. In case of error we will need to stack walk. 35 address bootstrap_flush_windows(void) { 36 Thread* thread = ThreadLocalStorage::get_thread_slow(); 37 // Very early in process there is no thread. 38 if (thread != NULL) { 39 guarantee(thread->is_Java_thread(), "Not a Java thread."); 40 JavaThread* jt = (JavaThread*)thread; 41 guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!"); 42 } 43 return (address)_flush_reg_windows(); 44 }; 45 }; 46 47 address StubRoutines::Sparc::_test_stop_entry = NULL; 48 address StubRoutines::Sparc::_stop_subroutine_entry = NULL; 49 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows); 50 51 address StubRoutines::Sparc::_partial_subtype_check = NULL; 52 53 int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked; 54 55 int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];