stubRoutines_sparc.cpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 1997, 2010, 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 "precompiled.hpp"
26#include "runtime/deoptimization.hpp"
27#include "runtime/frame.inline.hpp"
28#include "runtime/stubRoutines.hpp"
29#ifdef TARGET_OS_FAMILY_linux
30# include "thread_linux.inline.hpp"
31#endif
32#ifdef TARGET_OS_FAMILY_solaris
33# include "thread_solaris.inline.hpp"
34#endif
35
36// Implementation of the platform-specific part of StubRoutines - for
37// a description of how to extend it, see the stubRoutines.hpp file.
38
39
40extern "C" {
41  address _flush_reg_windows();   // in .s file.
42  // Flush registers to stack. In case of error we will need to stack walk.
43  address bootstrap_flush_windows(void) {
44    Thread* thread = ThreadLocalStorage::get_thread_slow();
45    // Very early in process there is no thread.
46    if (thread != NULL) {
47      guarantee(thread->is_Java_thread(), "Not a Java thread.");
48      JavaThread* jt = (JavaThread*)thread;
49      guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
50    }
51    return (address)_flush_reg_windows();
52  };
53};
54
55address StubRoutines::Sparc::_test_stop_entry = NULL;
56address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
57address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
58
59address StubRoutines::Sparc::_partial_subtype_check = NULL;
60
61int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
62
63int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];
64