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Diffstat (limited to 'arch/sparc/kernel/signal.c')
-rw-r--r--arch/sparc/kernel/signal.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c
index 3fd1df9f9ba..c94f91c8b6e 100644
--- a/arch/sparc/kernel/signal.c
+++ b/arch/sparc/kernel/signal.c
@@ -18,6 +18,7 @@
#include <linux/smp.h>
#include <linux/binfmts.h> /* do_coredum */
#include <linux/bitops.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
@@ -513,7 +514,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
-asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
+static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
{
struct k_sigaction ka;
int restart_syscall;
@@ -552,6 +553,8 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
*/
if (test_thread_flag(TIF_RESTORE_SIGMASK))
clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+ tracehook_signal_handler(signr, &info, &ka, regs, 0);
return;
}
if (restart_syscall &&
@@ -579,6 +582,17 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
}
}
+void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
+ unsigned long thread_info_flags)
+{
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ do_signal(regs, orig_i0);
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
+}
+
asmlinkage int
do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
unsigned long sp)