syscall_get_error() is required to be implemented on all
architectures in addition to already implemented syscall_get_nr(),
syscall_get_arguments(), syscall_get_return_value(), and
syscall_get_arch() functions in order to extend the generic
ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Helge Deller <del...@gmx.de> # parisc
Cc: James E.J. Bottomley <j...@parisc-linux.org>
Cc: Elvira Khabirova <lineprin...@altlinux.org>
Cc: Eugene Syromyatnikov <e...@redhat.com>
Cc: Oleg Nesterov <o...@redhat.com>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: linux-par...@vger.kernel.org
Signed-off-by: Dmitry V. Levin <l...@altlinux.org>
---
Notes:
v8: added Acked-by
v7: unchanged
v6: unchanged
v5: initial revision
arch/parisc/include/asm/syscall.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/parisc/include/asm/syscall.h
b/arch/parisc/include/asm/syscall.h
index c04ffc6ac928..310016e1925d 100644
--- a/arch/parisc/include/asm/syscall.h
+++ b/arch/parisc/include/asm/syscall.h
@@ -43,6 +43,13 @@ static inline void syscall_get_arguments(struct task_struct
*tsk,
}
}
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ unsigned long error = regs->gr[28];
+ return IS_ERR_VALUE(error) ? error : 0;
+}
+
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
--
ldv
