Re: [PATCH 2/3 v2] Define _KMEMUSER in arm-nbsd-nat.c

[Kamil Rytarowski <n54 at gmx dot com>]

On 24.01.2020 15:18, cbiesinger@chromium.org wrote:
> From: Christian Biesinger <cbiesinger@google.com>
> 
> Fixes the below compile error on ARM NetBSD 9.0_RC1 (the only version I
> tested).  types.h does not define register_t by default.
> 
> We already use this define elsewhere, notably in bsd-kvm.c.
> 
> In file included from ../../gdb/arm-nbsd-nat.c:28:
> /usr/include/machine/frame.h:54:2: error: unknown type name 'register_t'; did you mean '__register_t'?
>         register_t tf_spsr;
>         ^
> /usr/include/machine/types.h:77:14: note: '__register_t' declared here
> typedef int             __register_t;
>                         ^
> 
> There are other compile errors that this does not fix.
> 
> gdb/ChangeLog:
> 
> 2020-01-24  Christian Biesinger  <cbiesinger@google.com>
> 
> 	* arm-nbsd-nat.c: Define _KMEMUSER to get the declaration of
> 	register_t.
> 
> Change-Id: I82c21d38189ee59ea0af2538ba84b771d268722e
> ---
>  gdb/arm-nbsd-nat.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/gdb/arm-nbsd-nat.c b/gdb/arm-nbsd-nat.c
> index 00f919194b..4844b51a3c 100644
> --- a/gdb/arm-nbsd-nat.c
> +++ b/gdb/arm-nbsd-nat.c
> @@ -17,6 +17,8 @@
>     You should have received a copy of the GNU General Public License
>     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
>  
> +/* We define this to get types like register_t.  */
> +#define _KMEMUSER
>  #include "defs.h"
>  #include "gdbcore.h"
>  #include "inferior.h"
> 

While gdb is the right user for _KMEMUSER, here we should probably go
for -D_KERNTYPES as it is the canonical symbol for register_t.

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