On Wed, 2015-04-22 at 12:50 +0200, Mark Wielaard wrote:
> gcc -fsanitize=undefined pointed out that on 32bit systems the calculation
> to match the cie_offset to the cie_id could be undefined because a cie_id
> could be an unsigned 64bit value while ptrdiff_t is only 32bits. Correct
> the calculation to use 64bit values.
>
>  2015-03-22  Mark Wielaard  <mjw@redhat.com>
>  
> +	* readelf.c (print_debug_frame_section): Cast start to Dwarf_Off
> +	before subtracting cie_id.

That wasn't completely correct on 64bit. We also need to explicitly cast
cie_offset to Dwarf_Off. Pushed with that fixed as attached.