Re: Build failure on FreeBSD/PowerPC 32-bit

Curtis Hamilton <[email protected]> Sat, 11 Jan 2025 12:16:28 -0500
Newsgroups gmane.lisp.steel-bank.general
Message-ID <CAP9EAifVPgXoLm96fqkvc5dNvNzFSDuJ6Ye7jOmKbMJNFLnHLg@mail.gmail.com>
Per your suggestion, here's the results:

internal error too early in init, can't recover

Internal error #10 "Object is of the wrong type." at 0x5077f70c
    SC: 0, Offset: 30  0x0000004e: other immediate 1, unbound-marker
    SC: 3, Offset: 9 $1=  0x50776c73: list pointer
Welcome to LDB, a low-level debugger for the Lisp runtime environment.
ldb> $1=  0x50776c73: list pointer
$2=    car: 0x5062d78f: OR
$3=    cdr: 0x50776c6b: ($4=STRING $5=FUNCTION $6=SYMBOL $7=CONDITION ...)
ldb> $5=  0x5062a28f: other pointer
   header: 0x00000026: symbol
ldb> $4=  0x5063042f: other pointer
   header: 0x00000026: symbol
$8=    fun: 0x517fcd3d: #<ptr to simplefun>
ldb> $6=  0x50630c2f: other pointer
   header: 0x00000026: symbol
ldb> Really quit? [y]       550.96 real         0.05 user         0.11 sys

On Sat, Jan 11, 2025 at 9:04 AM Stas Boukarev <[email protected]> wrote:

> Protip, instead of "p pointer", do "p $1" (or whichever number after $ it
> is).
>
> On Sat, Jan 11, 2025 at 5:02 PM Douglas Katzman via Sbcl-help
> <[email protected]> wrote:
> >
> >
> >
> > On Sat, Jan 11, 2025 at 8:25 AM Curtis Hamilton <[email protected]>
> wrote:
> >>
> >> Could the issue be related to the ABI?  FreeBSD uses ABI 2 on PowerPC
> both big and little endian, which is the same ABI Linux uses for little
> endian.  According to “make-config.sh” little endian is never 32-bit.
> >>
> > Yes, I think this would be a problem for calling from Lisp into C.
> However, the failure you're getting implies that at least _some_  calls
> into C are working.  The fact that it is able to print the list of files
> means it successfully invoked write() in libc.
> >
> > When you get this error:
> >    SC: 0, Offset: 30  0x0000004e: other immediate 1, unbound-marker
> >     SC: 3, Offset: 9 $1=  0x50775c6b: list pointer
> > Can you try 'p 0x50775c6b' (substituting in the actual value of that
> pointer if it is not this) to get a little more information? I'm slightly
> confused why UNARY-TRUNCATE-SINGLE-FLOAT-TO-BIGNUM is trying to signal a
> type error about an object the name of whose type is a list.  Also, if I
> purposely call unary-truncate-single-float-to-bignum with unbound-marker,
> then I get a fairly hard crash (which is reasonable since it is
> system-internal), and not a type error.
> >
> > _______________________________________________
> > Sbcl-help mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/sbcl-help
>

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