Commit a01523cd authored by Michal Simek's avatar Michal Simek

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
...@@ -233,6 +233,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, ...@@ -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);
......
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