Re: [Valgrind-users] Valgrind/Cachegrind stack overflow problem with Wine app

[Julian S. <js...@ac...>]

On Tuesday 10 June 2003 14:39, John Reiser wrote:
> Prashant Verma wrote:
>  > I just reran valgrind 1.9.6-wine with the following
>  > command line (without cachegrind):
>  > valgrind --trace-children=yes wine ./Acrobat.exe
>  > And this time it stopped with :
>  > disInstr: unhandled opcode 0x94 then 0x8B
>
> 0x94 is "xchg %eax,%esp", which is switching stacks: some form of threads
> that is specific to the application.

In which case, the fix is ultra-trivial.  Find the following line
in vg_to_ucode.c:

   case 0x91: /* XCHG eAX,eCX */

and do the obvious thing.  If you verify this works, please let us know
(and send the resulting patch).

J