Re: 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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