[cmucl-help] 19c alpha [Was Re: CMUCL 18c building on tru64 5.1]

Raymond Toy toy.raymond at gmail.com
Tue Sep 9 23:43:56 UTC 2014


Try this. In your cross script, somewhere after new-backend, add the
following:

(clrhash kernel::*modular-funs*)

Oh, and if you're using bin/load-world.sh, be sure to use the -p option so
pcl isn't loaded. (Or just use the CONTINUE restart to skip loading of pcl.)

On Tue, Sep 9, 2014 at 3:55 PM, Fausto Saporito <fausto.saporito at gmail.com>
wrote:

> I did such change... but I have always the same error...
> I checked in the source code and that function should be included only
> with modular-arith!
>
> ;; Not sure this is 100% right, but the defoptimizer for ash only
> ;; calls ash-left-mod32 when the COUNT is known to be a (UNSIGNED-BYTE
> ;; 5), which is what %ASHL wants.
> #+modular-arith
> (defun vm::ash-left-mod32 (integer count)
>   (declare (type integer integer)
>            (type (integer 0 31) count))
>   (bignum::%ashl (ldb (byte 32 0) integer) count))
>
> if I understood well the #-syntax.
>
> Maybe, the cross compiler override such definition... I don't know...
>
>
> 2014-09-10 0:22 GMT+02:00 Raymond Toy <toy.raymond at gmail.com>:
> >
> >
> > On Tue, Sep 9, 2014 at 3:14 PM, Fausto Saporito <
> fausto.saporito at gmail.com>
> > wrote:
> >>
> >> ok... this is interesting:
> >>
> >> ldb> print $1
> >> $1=       0x30182847: other pointer
> >>             header: 0x000003ba: fdefn
> >> $2=         name: 0x30182817: ASH-LEFT-MOD32
> >> $nil=       function: 0x2800000b: NIL
> >>             raw_addr: 0x00010140: 16464
> >>
> >> I remember ASH-LEFT-MOD32... is something related to modular-arithmetic
> ?
> >> I disabled such feature, but I'm not sure if this could be related.
> >
> >
> > Yes, that's modular arithmetic.  Something is leaking.
> > Maybe in your cross script, add something like
> >
> > (setf *features* (remove :modular-arith *features*))
> >
> > after c::new-backend. It might be good to do that with :double-double and
> > :linkage-table. Not sure though, but probably harmless if you do since
> alpha
> > doesn't support that.
> >
> >>
> >>
> >>
> >> 2014-09-10 0:04 GMT+02:00 Raymond Toy <toy.raymond at gmail.com>:
> >> >
> >> >
> >> > On Tue, Sep 9, 2014 at 3:00 PM, Fausto Saporito
> >> > <fausto.saporito at gmail.com>
> >> > wrote:
> >> >>
> >> >> Now lisp is more verbose:
> >> >>
> >> >> axpvm01.gitanes.taz> ./lisp -core kernel.core
> >> >> In initial-function, and running.
> >> >> GLOBALDB-INIT
> >> >> FDEFN-INIT
> >> >> Error: Undefined symbol.
> >> >>     SC: 16, Offset: 23  $1=       0x30182847: other pointer
> >> >> LDB monitor
> >> >> ldb>
> >> >>
> >> >> in lisp.map there's no address 30182847
> >> >
> >> >
> >> > Because you're somewhere in Lisp code.
> >> >
> >> > Type "help" to get some help on how to use ldb.  At this point, you
> can
> >> > probably learn a lot by doing
> >> >
> >> > print $1 (or print 0x30182847)
> >> >
> >> > This should tell you at least the symbol name. And since it's
> undefined,
> >> > we'll have to figure out why it's undefined.  Could be an issue in the
> >> > 19c
> >> > source code, or perhaps something bad happening with cross-compiling
> >> > from
> >> > 19c linux with :linkage-table enabled.
> >> >
> >> > But this progress is really encouraging!
> >> >
> >> >>
> >> >>
> >> >> I'lll try to understand which is the missing function.
> >> >>
> >> >>
> >> >> 2014-09-09 23:47 GMT+02:00 Raymond Toy <toy.raymond at gmail.com>:
> >> >> >
> >> >> >
> >> >> > On Tue, Sep 9, 2014 at 2:07 PM, Fausto Saporito
> >> >> > <fausto.saporito at gmail.com>
> >> >> > wrote:
> >> >> >>
> >> >> >> Hello all,
> >> >> >>
> >> >> >> so we have targeted the right process :-) I got always a
> sigsegv...
> >> >> >> but it's different....
> >> >> >> debug_print is working... is there a way to have those messages
> >> >> >> printed on the screen ? At the moment I can see them only in dbx
> :)
> >> >> >
> >> >> >
> >> >> > They should be showing up on the screen. debug_print just does
> >> >> > printf/fflush, so they should be there.
> >> >> >
> >> >> >>
> >> >> >>
> >> >> >> Yes... I have to go back to rebuild kernel.core after generated
> >> >> >> lisp.nm, but it seems not all the functions are present in lisp.nm
> >> >> >> The most obvious are missing! Like sin, cos, tan, killpg, etc ...
> >> >> >> and
> >> >> >> they are defined in undefineds.h
> >> >> >
> >> >> >
> >> >> > Some of these should be defined since they're used in kernel.core.
> >> >> > FWIW,
> >> >> > killpg is not in lisp.nm on my linux build (normal compile).
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Ray
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Ray
> >
> >
> >
> >
> > --
> > Ray
>



-- 
Ray


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