Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/code/nmethod.hpp
src/share/vm/code/nmethod.hpp
- changeset 2511
- bf8517f4e4d0
- parent 2361
- 09b4dd4f152b
- child 2603
- 1b4e6a5d98e0
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| 2510:face83fc8882 | 2511:bf8517f4e4d0 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 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. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 694 | 694 |
| 695 // Locks an nmethod so its code will not get removed, even if it is a zombie/not_entrant method | 695 // Locks an nmethod so its code will not get removed, even if it is a zombie/not_entrant method |
| 696 class nmethodLocker : public StackObj { | 696 class nmethodLocker : public StackObj { |
| 697 nmethod* _nm; | 697 nmethod* _nm; |
| 698 | 698 |
| 699 public: | |
| 700 | |
| 699 static void lock_nmethod(nmethod* nm); // note: nm can be NULL | 701 static void lock_nmethod(nmethod* nm); // note: nm can be NULL |
| 700 static void unlock_nmethod(nmethod* nm); // (ditto) | 702 static void unlock_nmethod(nmethod* nm); // (ditto) |
| 701 | 703 |
| 702 public: | |
| 703 nmethodLocker(address pc); // derive nm from pc | 704 nmethodLocker(address pc); // derive nm from pc |
| 704 nmethodLocker(nmethod *nm) { _nm = nm; lock_nmethod(_nm); } | 705 nmethodLocker(nmethod *nm) { _nm = nm; lock_nmethod(_nm); } |
| 705 nmethodLocker() { _nm = NULL; } | 706 nmethodLocker() { _nm = NULL; } |
| 706 ~nmethodLocker() { unlock_nmethod(_nm); } | 707 ~nmethodLocker() { unlock_nmethod(_nm); } |
| 707 | 708 |
