stubRoutines_sparc.cpp revision 1472:c18cbe5936b8 
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
32extern "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
47address StubRoutines::Sparc::_test_stop_entry = NULL;
48address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
49address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
50
51address StubRoutines::Sparc::_partial_subtype_check = NULL;
52
53int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
54
55int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];
56