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Re: Itanium and GDB on 2.6.x kernels with pthreads
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