Re: [Qemu-devel] [PATCH] gdbstub: Add a missing case of signal number translation in gdbstub

[Martin Simmons <martin@lispworks.com>]

>>>>> On Tue, 4 Nov 2014 19:09:43 +0000, Peter Maydell said:
> 
> On 4 November 2014 17:51, Martin Simmons <martin@lispworks.com> wrote:
> > While using qemu with gdb "target remote" to debug an application that uses
> > fork and exec, the qemu process receives SIGSTOP every time the forked process
> > terminates (sending SIGCHLD).
> >
> > This is caused by a missing call to gdb_signal_to_target in gdbstub.c, which
> > is fixed by this patch:
> >
> > Signed-off-by: Martin Simmons <martin@lispworks.com>
> >
> > diff --git a/gdbstub.c b/gdbstub.c
> > index d1b5afd..6a73a35 100644
> > --- a/gdbstub.c
> > +++ b/gdbstub.c
> > @@ -823,7 +823,9 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
> >                  action = *p++;
> >                  signal = 0;
> >                  if (action == 'C' || action == 'S') {
> > -                    signal = strtoul(p, (char **)&p, 16);
> > +                    signal = gdb_signal_to_target (strtoul(p, (char **)&p, 16));
> > +                    if (signal == -1)
> > +                        signal = 0;
> >                  } else if (action != 'c' && action != 's') {
> >                      res = 0;
> >                      break;
> 
> The if() statement should have braces for our coding style,
> and no space before the '(' in function calls; otherwise this
> looks good to me.

Do you want a new patch with it like that?  I was following the style of the
rest of that file, in particular the other 'C' case :-(

__Martin