[Uim] uim 1.5.0 TODO list

[Etsushi Kato]

On 1/27/07, Etsushi Kato <ek.kato at gmail.com> wrote:
> On 1/27/07, YAMAMOTO Kengo / YamaKen <yamaken at bp.iij4u.or.jp> wrote:
> > At Sat, 27 Jan 2007 14:03:52 +0900,
> > ek.kato at gmail.com wrote:
> > >
> > > On 1/27/07, YAMAMOTO Kengo / YamaKen <yamaken at bp.iij4u.or.jp> wrote:
> > > > At Sat, 27 Jan 2007 12:15:41 +0900,
> > > > ek.kato at gmail.com wrote:
> > > > >
> > > > > As far as I can tell, GCROOTS_with_callee_saves_pushed() in
> > > > > gc7.0alpha7 sometimes doesn't work with Mac OS X 10.3 ppc for some
> > > > > reason.  If I use push_regs() in asm code from gc6.8, it seems to work
> > > > > fine.  Can I commit the attached patch?
> > > >
> > > > It has realized that I had mis-modified Darwin-related
> > > > conditional compilation around getcontext() to get work on old
> > > > Darwin. Thank you.
> > > >
> > > > Doesn't the patch attached work?
> > >
> > > Nope, it not the problem.  Your patch doesn't change anything the
> > > output of preprocess and causes illegal hardware instruction.
> >
> > Is this an actual result?
>
> Sure.
>
> > > The problem here is calling __builtin_unwind_init() causes weird
> > > behavior sometimes.  In gc6.8, DARWIN doesn't use
> > > GC_generic_push_regs(), so __builtin_unwind_init() is never called.
> >
> > With my patch, it is expected that __builtin_unwind_init() will
> > never be called if defined(UNIX_LIKE) && HAVE_GETCONTEXT. And
> > getcontext() is selected instead of __builtin_unwind_init() in
> > GC_with_callee_saves_pushed(). Please let me know the values of
> > HAVE_PUSH_REGS, UNIX_LIKE and HAVE_GETCONTEXT on your
> > environment.
>
> Mac OS X 10.3 doesn't have getcontext althoguht it has header files.
>
> UNIX_LIKE -> yes
> HAVE_PUSH_REGS -> no (and yes with USE_ASM_PUSH_REGS patch)
> HAVE_GETCONTEXT -> no

It seems Boehm gc7.0alpha7 is not good to use.  I've just download it
and did ./configure; make; make check.  And all 4 test failed with
illegal hardware instruction.   Perhaps gc7.0alpha7 is not tested with
Darwin 7 ppc.

Cheers,
-- 
Etsushi Kato
ek.kato at gmail.com