Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/runtime/jniPeriodicChecker.hpp@2a33b32dd03c (annotated)
src/share/vm/runtime/jniPeriodicChecker.hpp
Thu, 24 May 2018 19:24:53 +0800
- author
- aoqi
- date
- Thu, 24 May 2018 19:24:53 +0800
- changeset 8861
- 2a33b32dd03c
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
#7046 Disable the compilation when branch offset is beyond short branch
Contributed-by: fujie, aoqi
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP |
| aoqi@0 | 26 | #define SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | class JniPeriodicCheckerTask; |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | /* |
| aoqi@0 | 31 | * This gets activated under Xcheck:jni (CheckJNICalls), and is typically |
| aoqi@0 | 32 | * to detect any errors caused by JNI applications, such as signal handler, |
| aoqi@0 | 33 | * hijacking, va 0x0 hijacking either by mmap or an OS error. |
| aoqi@0 | 34 | */ |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | class JniPeriodicChecker : AllStatic { |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | friend class JniPeriodicCheckerTask; |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | private: |
| aoqi@0 | 42 | static JniPeriodicCheckerTask* _task; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | public: |
| aoqi@0 | 45 | // Start/stop task |
| aoqi@0 | 46 | static void engage(); |
| aoqi@0 | 47 | static void disengage(); |
| aoqi@0 | 48 | |
| aoqi@0 | 49 | static bool is_active() { return _task != NULL; } |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | static void initialize(); |
| aoqi@0 | 52 | static void destroy(); |
| aoqi@0 | 53 | }; |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | void jniPeriodicChecker_exit(); |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | #endif // SHARE_VM_RUNTIME_JNIPERIODICCHECKER_HPP |
