Re: lcrash SIGSEGV for X86_64 arch in kl_open_namelist()

I will take a look at this change. Assuming I don't see any problems, I'll
go ahead an make the change.

Thanks,

Tom

----- Original Message ----- 
From: "Rajesham Gajjela" <[email protected]>
To: <[email protected]>;
<[email protected]>; <[email protected]>
Sent: Wednesday, November 24, 2004 1:38 PM
Subject: Re: [lkcd-general] lcrash SIGSEGV for X86_64 arch in
kl_open_namelist()


>
> Since "kerntypes" is generated with -gstabs for
> x86_64 and also this is 64 bit arch, I made the
> following changes:
>
> kl_open_namelist(char *namelist, int flags)
> {
>          in both the switch statements,
>          I have added
>          case KL_ARCH_X86_64:
>          just above the 'case  case KL_ARCH_S390X: {'
> }
>
>
> This works good for me. Can you please let me know if
> this sounds okay ??? or if you have any comments.
>
> Rajesham
>
> --- Rajesham Gajjela <[email protected]> wrote:
>
> > For the case of KL_ARCH_X86_64 arch, 'namelist_opns'
> > is NULL ptr in libklib/kl_nmlist.c. This leads to
> > SIGSEGV
> > in kl_open_namelist(char *namelist, int flags).
> > See the below code lines:
> >
> > int
> > kl_open_namelist(char *namelist, int flags)
> > {
> >         int saved_nmlist;
> >
> >
> >
> > .....
> >
> >
> >         check_namelist_format(namelist);
> >
> >        if ((*(namelist_opns->open_namelist))
> > (namelist,
> >           flags)) { --> SEGV here
> >
> >
> > .....
> > }
> >
> > check_namelist_format(namelist) suppose to set the
> > 'namelist_opns' members. But it does not set for
> > X86_64 arch.
> >
> > Can you please clarify me these questions ?
> > 1. Is lcrash supported for x86_64 arch ?
> > 2. If "YES", then, what operations 'namelist_opns'
> >    should point for for x86_64 arch ?
> > 3. Can you brief me about the purpose of these
> >    operations ???
> >
> > I have attached a gdb session FYI. Please let me
> > know
> > if you need any other info.
> >
> > My experiments can be one of test case for x86_64
> > arch
> > LKCD & lkcdutils :-)
> >
> >
> > Rajesham
>
>
>
>
>
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