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These flags are "diagnostic", meaning that they must be preceded by -XX:+UnlockDiagnosticVMOptions. On the command line, they must all be preceded by -XX:. They may also be placed in a flags file, .hotspotrc by default, or configurable as -XX:Flags=myhotspotrc.txt.

Plugin Implementations

The plugin (minus the Gnu disassembler) is defined in the OpenJDK sources here:
http://hg.openjdk.java.net/jdk7/hotspot/hotspot/file/tip/src/share/tools/hsdis/

This version of the plugin requires the Gnu disassembler, which is available separately as part of the binutils project.

Look at the README for instructions on building. Pre-built binaries are do not seem to be available (TBDhelp... helpanyone?).

Independently of the OpenJDK sources, there is an implementation of the plugin in the base-hsdis project at Kenai. This is a from-scratch implementation which uses code from the Bastard project at SourceForge. The copyrights on this code are non-restrictive.

The Kenai project offers binary downloads.

Filtering Output

Individual methods may be printed:

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