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GCJ Documentation
| General documentation |
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- GCJ Manual.
- API Documentation. (This is actually the API documentation for GNU Classpath, which is essentially identical to libgcj. However, there may be differences between the libgcj release you have and the version of Classpath used to generate this page.)
- General gcj information.
- General runtime information.
- How to compile a Java program.
- How to debug a Java program using GDB.
- Frequently Asked Questions.
- How to contribute.
- CNI Documentation.
| Porting the GCJ runtime. |
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We've written three documents on how to port various components of GCJ runtime, libgcj, to different target systems.
- How to port the thread layer.
- How to port the file handling layer.
- How to port the signal handling layer.
| Papers describing our work |
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The engineers on this project have written a number of papers for conferences and magazines.
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January 2003: "Compiling Java with GCJ"
is an overview article that appeared in the Linux Journal.
[HTML]
Author: Per Bothner. -
February 1999: "The Cygnus Native Interface for C++/Java Integration".
[HTML] [SGML/Docbook source]
This is a programmer's manual which explains how to use a Java-aware C++ compiler (G++) to write native methods for Gcj.
The CNI design and ideas were proposed in "Writing native Java methods in natural C++" (November 1997). - August 1998: "No Silver Bullet - Garbage Collection for
Java in Embedded Systems".
[HTML] [PS for presentation slides]
Author: Alex Petit-Bianco. - November 1997: "Writing native Java methods in natural C++"
discusses interaction between Java and C++. This is an early design
document; see "The Cygnus Native Interface for C++/Java
Integration" (February 1998) for the programmer's manual.
[HTML] [SGML/Docbook source]
Author: Per Bothner. - October 1997: "Compiling Java for Embedded
Systems" was presented by Per Bothner at the Embedded
Systems Conference West in San Jose. It provides a technical
overview of our strategy and plans at the time. This is fairly
out of date now.
[PDF] [gzip'd Postscript] [SGML/Docbook source] [PS for presentation slides].
Author: Per Bothner. - February 1997: "A Gcc-based Java Implementation" is an older paper
presented by Per Bothner
at IEEE Compcon.
[extended abstract (HTML)] [complete paper (Postscript)] [(slides for presentation)]
Author: Per Bothner.