[Ecls-list] debugging ecl?

[Alessandro Serra]

Hi Pascal,
you can try:
(gdb) bt
It will show you the function call backtrace. Use it instead of quit.
Alessandro

On Tue, Jun 1, 2010 at 10:51 AM, Pascal J. Bourguignon
<pjb at informatimago.com> wrote:
>
> I'm trying to patch ecl (I'd want it to behave like clisp translating
> logical pathnames, downcasing the full uppercase names on unix
> systems).
>
> Unfortunately, it seems that I wrote bugs, since build/ecl_min breaks
> when I invoke the code I modified:
>
>
> [pjb at kuiper :0.0 ecl]$ build/ecl_min
> ;*** Lisp core booted ****
> ECL (Embeddable Common Lisp)
>
>> (setf (logical-pathname-translations "TEST") '(("TEST:**;*.*" "/tmp/**/*.*")))
>
> Internal or unrecoverable error in:
>
> Lisp initialization error.
>
>  [22: Invalid argument]
> Aborted
> [pjb at kuiper :0.0 ecl]$
>
>
>
> How should I proceed to debug ecl_min?
>
>
> I tried gdb on ecl_min, but it fails miserably:
>
> (gdb) handle SIGSEGV pass nostop
> Signal        Stop      Print   Pass to program Description
> SIGSEGV       No        Yes     Yes             Segmentation fault
> (gdb) run
> Starting program: /home/pjb/src/planner-ecl/ecl/build/ecl_min ./build/ecl_min
> [Thread debugging using libthread_db enabled]
> [New Thread 0x7f0a3e2436f0 (LWP 26772)]
> [New Thread 0x7f0a3cf6a910 (LWP 26775)]
> ;*** Lisp core booted ****
> ECL (Embeddable Common Lisp)
>
> Program received signal SIGSEGV, Segmentation fault.
>
> Program received signal SIGSEGV, Segmentation fault.
>
> Program terminated with signal SIGSEGV, Segmentation fault.
> The program no longer exists.
> (gdb) quit
>
>
> Is using printf the only way?
> --
> __Pascal Bourguignon__                     http://www.informatimago.com/
>
>
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