[gambit-list] x86 back end
hendrik at topoi.pooq.com
Sun May 29 08:44:34 EDT 2011
On Fri, Jan 28, 2011 at 03:56:38PM -0500, Hendrik Boom wrote:
> On Fri, Jan 28, 2011 at 11:04:55AM -0500, Marc Feeley wrote:
> > On 2011-01-27, at 2:42 AM, Hendrik Boom wrote:
> > > On Wed, Jan 26, 2011 at 09:42:31PM -0500, Marc Feeley wrote:
> > >>
> > >> On 2011-01-26, at 6:38 PM, Hendrik Boom wrote:
> > >>
> > >>> Does that x86 back end generate code directly into memory, augmenting
> > >>> the running system? Or does it generate code into a file that has to be
> > >>> executed from the OS?
> > >>
> > >> The back-end includes an assembler which can output the machine code to a byte vector or a file. In the tests I have done the code was generated into memory and executed without accessing the filesystem.
> > >
> > > Great! That's what I was hoping for. I've been tinkering with some
> > > similar stuff, but without using a nice language to write the code
> > > generator in (I used C/C++) and was just realising I needed a better
> > > notation for expressing the code generation patterns -- A better
> > > notation such as that available in Scheme. I was trying to be
> > > source-language-agnostic.
> > >
> > > Any chance I could have a look at your code, and possibly repurpose it?
> > I'm currently doing a major refactoring of the code, so this is a bad
> > moment to share the code with you. Can you wait a few weeks?
A few weeks have now passed. May I have a look at it now?
If it's still not ready, I'd rather look at what you've got than wait
another few weeks.
> This might be the worst possible time to start using or modifying your
> code, but an excellent time to start reading it. Most of my effort
> will probably be into figuring out how Scheme has changed since I first
> ran into it in Guy Steele's masters thesis. That was, after all,
> another Scheme in Scheme (or something like it) compiler.
> -- hendrik
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