Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/prims/jvmtiManageCapabilities.hpp@94ec88ca68e2 (annotated)
src/share/vm/prims/jvmtiManageCapabilities.hpp
Wed, 11 Jan 2012 17:34:02 -0500
- author
- phh
- date
- Wed, 11 Jan 2012 17:34:02 -0500
- changeset 3427
- 94ec88ca68e2
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| stefank@2314 | 26 | #define SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| duke@435 | 27 | |
| stefank@2314 | 28 | #include "jvmtifiles/jvmti.h" |
| stefank@2314 | 29 | #include "memory/allocation.hpp" |
| duke@435 | 30 | |
| duke@435 | 31 | class JvmtiManageCapabilities : public AllStatic { |
| duke@435 | 32 | |
| duke@435 | 33 | private: |
| duke@435 | 34 | |
| duke@435 | 35 | // these four capabilities sets represent all potentially |
| duke@435 | 36 | // available capabilities. They are disjoint, covering |
| duke@435 | 37 | // the four cases: (OnLoad vs OnLoad+live phase) X |
| duke@435 | 38 | // (one environment vs any environment). |
| duke@435 | 39 | static jvmtiCapabilities always_capabilities; |
| duke@435 | 40 | static jvmtiCapabilities onload_capabilities; |
| duke@435 | 41 | static jvmtiCapabilities always_solo_capabilities; |
| duke@435 | 42 | static jvmtiCapabilities onload_solo_capabilities; |
| duke@435 | 43 | |
| duke@435 | 44 | // solo capabilities that have not been grabbed |
| duke@435 | 45 | static jvmtiCapabilities always_solo_remaining_capabilities; |
| duke@435 | 46 | static jvmtiCapabilities onload_solo_remaining_capabilities; |
| duke@435 | 47 | |
| duke@435 | 48 | // all capabilities ever acquired |
| duke@435 | 49 | static jvmtiCapabilities acquired_capabilities; |
| duke@435 | 50 | |
| duke@435 | 51 | // basic intenal operations |
| duke@435 | 52 | static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| duke@435 | 53 | static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| duke@435 | 54 | static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| duke@435 | 55 | static bool has_some(const jvmtiCapabilities *a); |
| duke@435 | 56 | static void update(); |
| duke@435 | 57 | |
| duke@435 | 58 | // init functions |
| duke@435 | 59 | static jvmtiCapabilities init_always_capabilities(); |
| duke@435 | 60 | static jvmtiCapabilities init_onload_capabilities(); |
| duke@435 | 61 | static jvmtiCapabilities init_always_solo_capabilities(); |
| duke@435 | 62 | static jvmtiCapabilities init_onload_solo_capabilities(); |
| duke@435 | 63 | |
| duke@435 | 64 | public: |
| duke@435 | 65 | static void initialize(); |
| duke@435 | 66 | |
| duke@435 | 67 | // may have to adjust always capabilities when VM initialization has completed |
| duke@435 | 68 | static void recompute_always_capabilities(); |
| duke@435 | 69 | |
| duke@435 | 70 | // queries and actions |
| duke@435 | 71 | static void get_potential_capabilities(const jvmtiCapabilities *current, |
| duke@435 | 72 | const jvmtiCapabilities *prohibited, |
| duke@435 | 73 | jvmtiCapabilities *result); |
| duke@435 | 74 | static jvmtiError add_capabilities(const jvmtiCapabilities *current, |
| duke@435 | 75 | const jvmtiCapabilities *prohibited, |
| duke@435 | 76 | const jvmtiCapabilities *desired, |
| duke@435 | 77 | jvmtiCapabilities *result); |
| duke@435 | 78 | static void relinquish_capabilities(const jvmtiCapabilities *current, |
| duke@435 | 79 | const jvmtiCapabilities *unwanted, |
| duke@435 | 80 | jvmtiCapabilities *result); |
| duke@435 | 81 | static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to); |
| duke@435 | 82 | |
| duke@435 | 83 | #ifndef PRODUCT |
| duke@435 | 84 | static void print(const jvmtiCapabilities* caps); |
| duke@435 | 85 | #endif |
| duke@435 | 86 | }; |
| duke@435 | 87 | |
| stefank@2314 | 88 | #endif // SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
