Itanium and GDB on 2.6.x kernels with pthreads

[Daniel Jacobowitz]

On Sat, Sep 10, 2005 at 11:29:15AM -0400, Daniel Jacobowitz wrote:
> Those sigill's should not be there, should they?  Something is
> seriously broken in ia64-land...  I get them even running
> single-threaded, but they're ignored because they happen at
> breakpoints.  But I'm not convinced that they don't indicate a real
> problem somewhere.

For the record, the SIGILLs seem to be caused by turning this:
   nop.b 0x0
   nop.b 0x0
   br.ret.sptk.many b0 ;;

to this:

   break.b 0xccccc
   nop.b 0x0
   br.ret.sptk.many b0 ;;

Seems like a reasonable breakpoint to me.

-- 
Daniel Jacobowitz
CodeSourcery, LLC