Re: [PATCH] gdb: add callback defines for new ARGV handling

[Doug Evans <dje@google.com>]

On Thu, Jan 6, 2011 at 2:15 AM, Mike Frysinger <vapier@gentoo.org> wrote:
> The common sim code has slightly unfinished support for these already,
> but even arch ports are unable to handle these if the common header does
> not define them.  This is because the generated callback header includes
> simple common gdb/sim headers only which causes it to skip the new ARGV
> syscalls.  Plus, it isn't like providing these in the common header will
> break any sim targets which don't want them.
>
> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
>
> 2010-01-06  Mike Frysinger  <vapier@gentoo.org>
>
>        * callback.h (CB_SYS_argc, CB_SYS_argnlen, CB_SYS_argn): Define.
> ---
>  include/gdb/callback.h |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/include/gdb/callback.h b/include/gdb/callback.h
> index a1f79f9..296dfc3 100644
> --- a/include/gdb/callback.h
> +++ b/include/gdb/callback.h
> @@ -231,6 +231,11 @@ extern host_callback default_callback;
>  #define CB_SYS_truncate        21
>  #define CB_SYS_ftruncate 22
>  #define CB_SYS_pipe    23
> +
> +/* New ARGV support.  */
> +#define CB_SYS_argc    24
> +#define CB_SYS_argnlen 25
> +#define CB_SYS_argn    26
>
>  /* Struct use to pass and return information necessary to perform a
>    system call.  */

The common sim code has CB_SYS_{argv,argvlen}, but I don't see the above.
Where do they come from?