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comparison src/cpu/sparc/vm/stubRoutines_sparc.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2007 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 #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];