stubRoutines_sparc.cpp revision 5776:de6a9e811145 
1134458Siedowse/*
2134458Siedowse * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3134458Siedowse * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4134458Siedowse *
5134458Siedowse * This code is free software; you can redistribute it and/or modify it
6134458Siedowse * 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
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23 */
24
25#include "precompiled.hpp"
26#include "runtime/deoptimization.hpp"
27#include "runtime/frame.inline.hpp"
28#include "runtime/stubRoutines.hpp"
29#include "runtime/thread.inline.hpp"
30
31// Implementation of the platform-specific part of StubRoutines - for
32// a description of how to extend it, see the stubRoutines.hpp file.
33
34
35extern "C" {
36  address _flush_reg_windows();   // in .s file.
37  // Flush registers to stack. In case of error we will need to stack walk.
38  address bootstrap_flush_windows(void) {
39    Thread* thread = ThreadLocalStorage::get_thread_slow();
40    // Very early in process there is no thread.
41    if (thread != NULL) {
42      guarantee(thread->is_Java_thread(), "Not a Java thread.");
43      JavaThread* jt = (JavaThread*)thread;
44      guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
45    }
46    return (address)_flush_reg_windows();
47  };
48};
49
50address StubRoutines::Sparc::_test_stop_entry = NULL;
51address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
52address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
53
54address StubRoutines::Sparc::_partial_subtype_check = NULL;
55