From a01523cdcd2439b553086127be3d30ac9c3cb651 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 15 Oct 2009 11:32:25 +0200 Subject: [PATCH] microblaze: Ptrace notifying from signal code After the signal frame is set up on the userspace stack, ptrace() should be given an opportunity to single-step into the signal handler FRV, Blackfin, mn10300 and UM. Worth to look at that patches. Signed-off-by: Michal Simek --- arch/microblaze/kernel/signal.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 1c80e4f..0c96ac3 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -233,6 +233,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, set_fs(USER_DS); + /* the tracer may want to single-step inside the handler */ + if (test_thread_flag(TIF_SINGLESTEP)) + ptrace_notify(SIGTRAP); + #ifdef DEBUG_SIG printk(KERN_INFO "SIG deliver (%s:%d): sp=%p pc=%08lx\n", current->comm, current->pid, frame, regs->pc); -- 2.7.4