Re: Bug in i386_process_record?

[Michael Snyder <msnyder at vmware dot com>]

Hui Zhu wrote:
> On Thu, Aug 27, 2009 at 09:43, Hui Zhu<teawater@gmail.com> wrote:
> > On Thu, Aug 27, 2009 at 08:28, Michael Snyder<msnyder@vmware.com> wrote:
> > > Do you think you could add some new tests to i386-reverse.exp,
> > > to verify the string instructions?
> > >
> > > Thanks,
> > > Michael
> > OK. I will do it.
> >
> > Thanks,
> > Hui
>
> Hi Michael,
>
> I make a patch to add the test for string insn.
>
> Please help me review it.

Good start -- but you need to write some expect script to go with it!
;-)


> 2009-08-27  Hui Zhu  <teawater@gmail.com>
>
> 	* gdb.reverse/i386-reverse.c (string_insn_tests): New function.
> 	(main): Call "string_insn_tests".
>
> ---
>  testsuite/gdb.reverse/i386-reverse.c |   16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> --- a/testsuite/gdb.reverse/i386-reverse.c
> +++ b/testsuite/gdb.reverse/i386-reverse.c
> @@ -38,9 +38,25 @@ inc_dec_tests (void)
>    asm ("dec %edi");
>  } /* end inc_dec_tests */
>
> +void
> +string_insn_tests (void)
> +{
> +  register char x asm("ax");
> +  char *dstp = (char *) 1;
> +  int d0;
> +  int len = 0;
> +
> +  asm volatile("rep\n"
> +	       "stosb" /* %0, %2, %3 */ :
> +	       "=D" (dstp), "=c" (d0) :
> +	       "0" (dstp), "1" (len), "a" (x) :
> +	       "memory");
> +}
> +
>  int
>  main ()
>  {
>    inc_dec_tests ();
> +  string_insn_tests ();
>    return 0;	/* end of main */
>  }