harmony-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Davanum Srinivas <dava...@gmail.com>
Subject Re: Against using Java to implement Java (Was: Java)
Date Wed, 18 May 2005 18:43:59 GMT

One way to handle this is to write something up on the wiki
(http://wiki.apache.org/harmony/) and ask people to comment and then
incorporate the comments back. So that we have a record of the
discussion and the conclusions. Yes, we need to stick to harmony-dev
for now.


On 5/18/05, Weldon Washburn <weldonwjw@gmail.com> wrote:
> On 17 May 2005 18:27:42 -0600, Tom Tromey <tromey@redhat.com> wrote:
> > >>>>> "David" == David Griffiths <david.griffiths@gmail.com>
> >
> > David> Maybe a concrete example would help. Let's say you have a GC module
> > David> written in C. One of it's API calls is to allocate a new object. How
> > David> is your JIT module going to produce code to use that API? Via a C
> > David> function pointer?
> >
> > Yes.
> >
> > One way is to mandate link- or compile-time pluggability only.  Then
> > this can be done by name.  Your JIT just references
> > '&harmony_allocate_object' in its source and uses this pointer
> > in the code it generates.
> >
> > The other way is to have the JIT call some central function to get a
> > pointer to the allocator function (or functions, in libgcj it turned
> > out to be useful to have several).  This only needs to be done once,
> > at startup.
> >
> > For folks interested in pluggability, I advise downloading a copy of
> > ORP and reading through it.  ORP already solved these problems in a
> > fairly reasonable way.
> Thanks.  I am more than willing to respond to questions about ORP.
> Since ORP was last posted to open source, I have done some additional
> thinking about interfaces as well as JVM and .NET design in general.
> I really look forward to discussing these ideas.  It would be great if
> we can quickly get to the point where we can discuss interface
> details.  For example, I would like to start a detailed discussion on
> JIT and GC interface header files.  Should we start this on the
> general harmony-dev list?
>     Weldon
> >
> > Tom
> >

Davanum Srinivas - http://webservices.apache.org/~dims/

View raw message