[kaffe] Adding an extra field to the struct Hjava_lang_Object
robilad at kaffe.org
Wed Apr 19 16:01:22 PDT 2006
On Thu, 2006-04-20 at 00:26 +0200, Dalibor Topic wrote:
> On Wed, 2006-04-19 at 21:33 +0300, Tayfun Elmas wrote:
> > However, in the filr Hjava_lang_Object.h,
> > there is only the template of the struct type and it says the real
> > version is created by Kaffeh.
> Yes. The real version of the file is created in the
> $builddir/include/java_lang_Object.h file when you build Kaffe using the
> make command.
Argh. I spoke without actually checking and it turned out that my memory
The actual struct for Hjava_lang_Object is *not* created by kaffeh.
Kaffeh has specific bits of code to avoid emitting any field information
for java.lang.Object and java.lang.Class, since those classes are
Instead, the actual definition of Hjava_lang_Object can be found in the
> > Is there any way to insert the field into
> > the structure by modifying some file?
> You could modify the java file
> libraries/javalib/external/classpath/java/lang/Object.java , and add a
> field there. Such a field should then show up in the generated headers
> as well.
That's wrong advice, sorry for that. Actually, the right way to insert a
field into Object is to add it to the definition in include/native.h.
I've attached a patch, which adds a void * data, and passes the
regression tests (make check). I have not tested it further, but I am
sure you'll have some fun with that. ;)
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