diff options
Diffstat (limited to 'arch/score')
| -rw-r--r-- | arch/score/kernel/signal.c | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index a00fba32b0e..1651807774a 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -173,15 +173,15 @@ badframe: return 0; } -static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, - int signr, sigset_t *set, siginfo_t *info) +static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs, + sigset_t *set) { struct rt_sigframe __user *frame; int err = 0; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; + return -EFAULT; /* * Set up the return code ... @@ -194,7 +194,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(0x80008002, frame->rs_code + 1); flush_cache_sigtramp((unsigned long) frame->rs_code); - err |= copy_siginfo_to_user(&frame->rs_info, info); + err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info); err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(NULL, &frame->rs_uc.uc_link); err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[0]); @@ -202,26 +202,23 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set)); if (err) - goto give_sigsegv; + return -EFAULT; regs->regs[0] = (unsigned long) frame; regs->regs[3] = (unsigned long) frame->rs_code; - regs->regs[4] = signr; + regs->regs[4] = ksig->sig; regs->regs[5] = (unsigned long) &frame->rs_info; regs->regs[6] = (unsigned long) &frame->rs_uc; - regs->regs[29] = (unsigned long) ka->sa.sa_handler; - regs->cp0_epc = (unsigned long) ka->sa.sa_handler; + regs->regs[29] = (unsigned long) ksig->ka.sa.sa_handler; + regs->cp0_epc = (unsigned long) ksig->ka.sa.sa_handler; return 0; - -give_sigsegv: - force_sigsegv(signr, current); - return -EFAULT; } -static void handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, struct pt_regs *regs) +static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) { + int ret; + if (regs->is_syscall) { switch (regs->regs[4]) { case ERESTART_RESTARTBLOCK: @@ -229,7 +226,7 @@ static void handle_signal(unsigned long sig, siginfo_t *info, regs->regs[4] = EINTR; break; case ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { + if (!(ksig->ka.sa.sa_flags & SA_RESTART)) { regs->regs[4] = EINTR; break; } @@ -245,17 +242,14 @@ static void handle_signal(unsigned long sig, siginfo_t *info, /* * Set up the stack frame */ - if (setup_rt_frame(ka, regs, sig, sigmask_to_save(), info) < 0) - return; + ret = setup_rt_frame(ksig, regs, sigmask_to_save()); - signal_delivered(sig, info, ka, regs, 0); + signal_setup_done(ret, ksig, 0); } static void do_signal(struct pt_regs *regs) { - struct k_sigaction ka; - siginfo_t info; - int signr; + struct ksignal ksig; /* * We want the common case to go fast, which is why we may in certain @@ -265,10 +259,9 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { + if (get_signal(&ksig)) { /* Actually deliver the signal. */ - handle_signal(signr, &info, &ka, regs); + handle_signal(&ksig, regs); return; } |