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Commit a01523cd authored by Michal Simek's avatar Michal Simek
Browse files

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: default avatarMichal Simek <monstr@monstr.eu>
parent e051af57

arch/microblaze/kernel/signal.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -233,6 +233,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 




	set_fs(USER_DS);

	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

#ifdef DEBUG_SIG

	printk(KERN_INFO "SIG deliver (%s:%d): sp=%p pc=%08lx\n",

	printk(KERN_INFO "SIG deliver (%s:%d): sp=%p pc=%08lx\n",

		current->comm, current->pid, frame, regs->pc);

		current->comm, current->pid, frame, regs->pc);