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ASSEMBLY_EXCEPTION@919e7959392a (annotated)
ASSEMBLY_EXCEPTION
Mon, 22 Sep 2008 09:56:49 -0400
- author
- tonyp
- date
- Mon, 22 Sep 2008 09:56:49 -0400
- changeset 799
- 919e7959392a
- parent 435
- a61af66fc99e
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6742641: G1: NullPointerException during GCOld
Summary: An update buffer is not processed correctly, which causes roots into the collection set not to be scanned and, hence, for the heap to be corrupted. The cause is that an object is accessed after it has been explicitly deleted, which causes a race.
Reviewed-by: jcoomes, ysr
| duke@435 | 1 | |
| duke@435 | 2 | OPENJDK ASSEMBLY EXCEPTION |
| duke@435 | 3 | |
| duke@435 | 4 | The OpenJDK source code made available by Sun at openjdk.java.net and |
| duke@435 | 5 | openjdk.dev.java.net ("OpenJDK Code") is distributed under the terms of the |
| duke@435 | 6 | GNU General Public License <http://www.gnu.org/copyleft/gpl.html> version 2 |
| duke@435 | 7 | only ("GPL2"), with the following clarification and special exception. |
| duke@435 | 8 | |
| duke@435 | 9 | Linking this OpenJDK Code statically or dynamically with other code |
| duke@435 | 10 | is making a combined work based on this library. Thus, the terms |
| duke@435 | 11 | and conditions of GPL2 cover the whole combination. |
| duke@435 | 12 | |
| duke@435 | 13 | As a special exception, Sun gives you permission to link this |
| duke@435 | 14 | OpenJDK Code with certain code licensed by Sun as indicated at |
| duke@435 | 15 | http://openjdk.java.net/legal/exception-modules-2007-05-08.html |
| duke@435 | 16 | ("Designated Exception Modules") to produce an executable, |
| duke@435 | 17 | regardless of the license terms of the Designated Exception Modules, |
| duke@435 | 18 | and to copy and distribute the resulting executable under GPL2, |
| duke@435 | 19 | provided that the Designated Exception Modules continue to be |
| duke@435 | 20 | governed by the licenses under which they were offered by Sun. |
| duke@435 | 21 | |
| duke@435 | 22 | As such, it allows licensees and sublicensees of Sun's GPL2 OpenJDK Code to |
| duke@435 | 23 | build an executable that includes those portions of necessary code that Sun |
| duke@435 | 24 | could not provide under GPL2 (or that Sun has provided under GPL2 with the |
| duke@435 | 25 | Classpath exception). If you modify or add to the OpenJDK code, that new |
| duke@435 | 26 | GPL2 code may still be combined with Designated Exception Modules if the |
| duke@435 | 27 | new code is made subject to this exception by its copyright holder. |
