[RFC] Support exec tracing on GNU/Linux and HP-UX

[Daniel Jacobowitz]

On Fri, Dec 21, 2007 at 07:30:39PM +0400, Joel Brobecker wrote:
> You may not remember as this was a couple of months ago (already!),
> but we had determined at the time that we could not easily disable
> exec events during inferior startup on HP/UX.  So we decided to find
> a way to treat these exec events as SIGTRAPs.
> 
> Here is a possible solution that does not involve the use of a global.
> It involves the addition of a new parameter to wait_for_inferior. Most
> of the time, we will set it so that events are not handled as is. But
> during the inferior startup sequence, we  tell it to translate EXEC
> events into SIGTRAPs.  I should probably add a comment at the beginning
> of wait_for_inferior explaining the intent of that new parameter -
> I will do that if you like the idea.
> 
> 2007-12-21  Joel Brobecker  <brobecker@adacore.com>
> 
>         * infrun.c (wait_for_inferior): Add treat_exec_as_sigtrap parameter
>         and use it.
>         (proceed, start_remote): Update call to wait_for_inferior.
>         * inferior.h (wait_for_inferior): Update declaration.
>         * fork-child.c, infcmd.c, solib-irix.c, solib-osf.c, solib-sunos.c,
>         solib-svr4.c, win32-nat.c: Update calls to wait_for_inferior.
>         * inf-ttrace.c (inf_ttrace_wait): Report TTEVT_EXEC events as
>         TARGET_WAITKIND_EXECD instead of TARGET_WAITKIND_STOPPED.
> 
> Tested on hppa-hpux, no regression.

Hi Joel,

This looks good to me - would you add that comment and check it in?

-- 
Daniel Jacobowitz
CodeSourcery