| /* |
| * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| #define SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |
| |
| #include "jvmtifiles/jvmti.h" |
| #include "memory/allocation.hpp" |
| |
| class JvmtiManageCapabilities : public AllStatic { |
| |
| private: |
| |
| // these four capabilities sets represent all potentially |
| // available capabilities. They are disjoint, covering |
| // the four cases: (OnLoad vs OnLoad+live phase) X |
| // (one environment vs any environment). |
| static jvmtiCapabilities always_capabilities; |
| static jvmtiCapabilities onload_capabilities; |
| static jvmtiCapabilities always_solo_capabilities; |
| static jvmtiCapabilities onload_solo_capabilities; |
| |
| // solo capabilities that have not been grabbed |
| static jvmtiCapabilities always_solo_remaining_capabilities; |
| static jvmtiCapabilities onload_solo_remaining_capabilities; |
| |
| // all capabilities ever acquired |
| static jvmtiCapabilities acquired_capabilities; |
| |
| // basic intenal operations |
| static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result); |
| static bool has_some(const jvmtiCapabilities *a); |
| static void update(); |
| |
| // init functions |
| static jvmtiCapabilities init_always_capabilities(); |
| static jvmtiCapabilities init_onload_capabilities(); |
| static jvmtiCapabilities init_always_solo_capabilities(); |
| static jvmtiCapabilities init_onload_solo_capabilities(); |
| |
| public: |
| static void initialize(); |
| |
| // may have to adjust always capabilities when VM initialization has completed |
| static void recompute_always_capabilities(); |
| |
| // queries and actions |
| static void get_potential_capabilities(const jvmtiCapabilities *current, |
| const jvmtiCapabilities *prohibited, |
| jvmtiCapabilities *result); |
| static jvmtiError add_capabilities(const jvmtiCapabilities *current, |
| const jvmtiCapabilities *prohibited, |
| const jvmtiCapabilities *desired, |
| jvmtiCapabilities *result); |
| static void relinquish_capabilities(const jvmtiCapabilities *current, |
| const jvmtiCapabilities *unwanted, |
| jvmtiCapabilities *result); |
| static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to); |
| |
| #ifndef PRODUCT |
| static void print(const jvmtiCapabilities* caps); |
| #endif |
| }; |
| |
| #endif // SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP |