1 /*
2 * Copyright (c) 1997, 2014, 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 *
31 // VM_Version provides information about the VM.
32
33 class Abstract_VM_Version: AllStatic {
34 protected:
35 friend class VMStructs;
36 static const char* _s_vm_release;
37 static const char* _s_internal_vm_info_string;
38 // These are set by machine-dependent initializations
39 static bool _supports_cx8;
40 static bool _supports_atomic_getset4;
41 static bool _supports_atomic_getset8;
42 static bool _supports_atomic_getadd4;
43 static bool _supports_atomic_getadd8;
44 static unsigned int _logical_processors_per_package;
45 static unsigned int _L1_data_cache_line_size;
46 static int _vm_major_version;
47 static int _vm_minor_version;
48 static int _vm_micro_version;
49 static int _vm_build_number;
50 static bool _initialized;
51 static int _parallel_worker_threads;
52 static bool _parallel_worker_threads_initialized;
53 static int _reserve_for_allocation_prefetch;
54
55 static unsigned int nof_parallel_worker_threads(unsigned int num,
56 unsigned int dem,
57 unsigned int switch_pt);
58 public:
59 static void initialize();
60
61 // Name
62 static const char* vm_name();
63 // Vendor
64 static const char* vm_vendor();
65 // VM version information string printed by launcher (java -version)
66 static const char* vm_info_string();
67 static const char* vm_release();
68 static const char* vm_platform_string();
69 static const char* vm_build_user();
70
71 static int vm_major_version() { assert(_initialized, "not initialized"); return _vm_major_version; }
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1 /*
2 * Copyright (c) 1997, 2015, 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 *
31 // VM_Version provides information about the VM.
32
33 class Abstract_VM_Version: AllStatic {
34 protected:
35 friend class VMStructs;
36 static const char* _s_vm_release;
37 static const char* _s_internal_vm_info_string;
38 // These are set by machine-dependent initializations
39 static bool _supports_cx8;
40 static bool _supports_atomic_getset4;
41 static bool _supports_atomic_getset8;
42 static bool _supports_atomic_getadd4;
43 static bool _supports_atomic_getadd8;
44 static unsigned int _logical_processors_per_package;
45 static unsigned int _L1_data_cache_line_size;
46 static int _vm_major_version;
47 static int _vm_minor_version;
48 static int _vm_micro_version;
49 static int _vm_build_number;
50 static bool _initialized;
51 static unsigned int _parallel_worker_threads;
52 static bool _parallel_worker_threads_initialized;
53 static int _reserve_for_allocation_prefetch;
54
55 static unsigned int nof_parallel_worker_threads(unsigned int num,
56 unsigned int dem,
57 unsigned int switch_pt);
58 public:
59 static void initialize();
60
61 // Name
62 static const char* vm_name();
63 // Vendor
64 static const char* vm_vendor();
65 // VM version information string printed by launcher (java -version)
66 static const char* vm_info_string();
67 static const char* vm_release();
68 static const char* vm_platform_string();
69 static const char* vm_build_user();
70
71 static int vm_major_version() { assert(_initialized, "not initialized"); return _vm_major_version; }
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