Mon, 09 Mar 2020 12:54:53 +0000
8240295: hs_err elapsed time in seconds is not accurate enough
Reviewed-by: dholmes, sspitsyn
1 /*
2 * Copyright (c) 1997, 2011, 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 */
25 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
28 #include "gc_implementation/shared/gcUtil.hpp"
29 #include "runtime/os.hpp"
30 #include "utilities/top.hpp"
32 // Interface for thread local storage
34 // Fast variant of ThreadLocalStorage::get_thread_slow
35 extern "C" Thread* get_thread();
37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
38 extern "C" uintptr_t _raw_thread_id();
40 class ThreadLocalStorage : AllStatic {
42 // Exported API
43 public:
44 static void set_thread(Thread* thread);
45 static Thread* get_thread_slow();
46 static void invalidate_all() { pd_invalidate_all(); }
47 static void init();
48 static bool is_initialized();
50 // Machine dependent stuff
51 #ifdef TARGET_OS_ARCH_linux_x86
52 # include "threadLS_linux_x86.hpp"
53 #endif
54 #ifdef TARGET_OS_ARCH_linux_sparc
55 # include "threadLS_linux_sparc.hpp"
56 #endif
57 #ifdef TARGET_OS_ARCH_linux_zero
58 # include "threadLS_linux_zero.hpp"
59 #endif
60 #ifdef TARGET_OS_ARCH_solaris_x86
61 # include "threadLS_solaris_x86.hpp"
62 #endif
63 #ifdef TARGET_OS_ARCH_solaris_sparc
64 # include "threadLS_solaris_sparc.hpp"
65 #endif
66 #ifdef TARGET_OS_ARCH_windows_x86
67 # include "threadLS_windows_x86.hpp"
68 #endif
69 #ifdef TARGET_OS_ARCH_linux_arm
70 # include "threadLS_linux_arm.hpp"
71 #endif
72 #ifdef TARGET_OS_ARCH_linux_ppc
73 # include "threadLS_linux_ppc.hpp"
74 #endif
75 #ifdef TARGET_OS_ARCH_aix_ppc
76 # include "threadLS_aix_ppc.hpp"
77 #endif
78 #ifdef TARGET_OS_ARCH_bsd_x86
79 # include "threadLS_bsd_x86.hpp"
80 #endif
81 #ifdef TARGET_OS_ARCH_bsd_zero
82 # include "threadLS_bsd_zero.hpp"
83 #endif
85 #ifndef SOLARIS
86 public:
87 // Accessor
88 static inline int thread_index() { return _thread_index; }
89 static inline void set_thread_index(int index) { _thread_index = index; }
91 private:
92 static int _thread_index;
94 static void generate_code_for_get_thread();
96 // Processor dependent parts of set_thread and initialization
97 static void pd_set_thread(Thread* thread);
98 static void pd_init();
100 #endif // SOLARIS
102 // Invalidate any thread cacheing or optimization schemes.
103 static void pd_invalidate_all();
105 };
107 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP