Re: target hooks / plugins

[Joern Rennecke <amylaar at spamcop dot net>]

Quoting Joern Rennecke <amylaar@spamcop.net>:
> Right now, to make a new target hook, you have to add a new field in
> target.h, define a new default in target-def.h, place the new macro
> in exactly the right position there of the right initializer macro,
> describe the new hook in tm.texi, and if you need a new function with
> a bunch of parameters returning a constant, you have to add this to
> hooks.c .
>
> I would like to be able to do all this by adding a single entry in a
> new definition file; and the information should also be usable by
> plugin sources so that they can automatically make wrappers for all
> function-type hooks.

I've attached what I have so far.
There is an issue that the struct gcc_target member names don't always agree
with the TARGET_* macro names.

Should I rather change one or the other to make them agree, or add an extra
parameter in the definition file macros to specify these names independently?

Attachment: thook-diff-20091223
Description: Text document