Re: readelf core-dumped

[Shaun Jackman <shaunj at gray-interfaces dot com>]

I was writing my ldscript for my target board, and managed to break the
debugging symbols real good. For some reason Dwarf1 still worked though. So, I
was using it briefly. Fixed my linker script though, so I'm back to Dwarf2 now.

Cheers,
Shaun


On Thu, 17 Aug 2000, Nick Clifton wrote:
> Hi Shaun,
> 
> : I ran readelf -w (--target=arm-elf) on my Dwarf1 (-gdwarf) .o and it
> : caused readelf to coredump.
> 
> Any particular reason that you are using DWARF1 instead of DWARF2 ?
> 
> : Are any morbids out there interested in the files that cause readelf
> : to blow its brains out?
> 
> Nah - I was able to reproduce the problem myself.  The patch below
> fixes it.  (I will check the patch into sourceware shortly).
> 
> Cheers
> 	Nick
> 
> 2000-08-17  Nick Clifton  <nickc@redhat.com>
> 
> 	* readelf.c (display_debug_pubnames): Only issue warning
> 	message once.  Terminate message with a new line.
> 	(display_debug_aranges): Only display version 2 debug info.
> 
> Index: binutils/readelf.c
> ===================================================================
> RCS file: /cvs/src//src/binutils/readelf.c,v
> retrieving revision 1.67
> diff -p -r1.67 readelf.c
> *** readelf.c	2000/08/08 00:47:04	1.67
> --- readelf.c	2000/08/17 22:56:55
> *************** display_debug_pubnames (section, start, 
> *** 5225,5231 ****
>   
>         if (pubnames.pn_version != 2)
>   	{
> ! 	  warn (_("Only DWARF 2 pubnames are currently supported"));
>   	  continue;
>   	}
>   
> --- 5225,5238 ----
>   
>         if (pubnames.pn_version != 2)
>   	{
> ! 	  static int warned = 0;
> ! 
> ! 	  if (! warned)
> ! 	    {
> ! 	      warn (_("Only DWARF 2 pubnames are currently supported\n"));
> ! 	      warned = 1;
> ! 	    }
> ! 	  
>   	  continue;
>   	}
>   
> *************** display_debug_aranges (section, start, f
> *** 6396,6401 ****
> --- 6403,6414 ----
>         arange.ar_info_offset  = BYTE_GET (external->ar_info_offset);
>         arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size);
>         arange.ar_segment_size = BYTE_GET (external->ar_segment_size);
> + 
> +       if (arange.ar_version != 2)
> + 	{
> + 	  warn (_("Only DWARF 2 aranges are currently supported.\n"));
> + 	  break;
> + 	}
>   
>         printf (_("  Length:                   %ld\n"), arange.ar_length);
>         printf (_("  Version:                  %d\n"), arange.ar_version);