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blackfin: Use get_signal() signal_setup_done()
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Steven Miao <realmz6@gmail.com>
This commit is contained in:
parent
d809709a88
commit
1270cff147
1 changed files with 17 additions and 22 deletions
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@ -152,23 +152,22 @@ static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
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}
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static int
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setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info,
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sigset_t * set, struct pt_regs *regs)
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setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
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{
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struct rt_sigframe *frame;
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int err = 0;
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frame = get_sigframe(ka, regs, sizeof(*frame));
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frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
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err |= __put_user((current_thread_info()->exec_domain
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&& current_thread_info()->exec_domain->signal_invmap
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&& sig < 32
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&& ksig->sig < 32
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? current_thread_info()->exec_domain->
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signal_invmap[sig] : sig), &frame->sig);
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signal_invmap[ksig->sig] : ksig->sig), &frame->sig);
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err |= __put_user(&frame->info, &frame->pinfo);
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err |= __put_user(&frame->uc, &frame->puc);
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err |= copy_siginfo_to_user(&frame->info, info);
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err |= copy_siginfo_to_user(&frame->info, &ksig->info);
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/* Create the ucontext. */
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err |= __put_user(0, &frame->uc.uc_flags);
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@ -183,7 +182,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info,
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/* Set up registers for signal handler */
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if (current->personality & FDPIC_FUNCPTRS) {
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struct fdpic_func_descriptor __user *funcptr =
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(struct fdpic_func_descriptor *) ka->sa.sa_handler;
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(struct fdpic_func_descriptor *) ksig->ka.sa.sa_handler;
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u32 pc, p3;
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err |= __get_user(pc, &funcptr->text);
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err |= __get_user(p3, &funcptr->GOT);
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@ -192,7 +191,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info,
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regs->pc = pc;
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regs->p3 = p3;
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} else
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regs->pc = (unsigned long)ka->sa.sa_handler;
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regs->pc = (unsigned long)ksig->ka.sa.sa_handler;
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wrusp((unsigned long)frame);
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regs->rets = SIGRETURN_STUB;
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@ -237,20 +236,19 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
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* OK, we're invoking a handler
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*/
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static void
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handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka,
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struct pt_regs *regs)
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handle_signal(struct ksignal *ksig, struct pt_regs *regs)
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{
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int ret;
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/* are we from a system call? to see pt_regs->orig_p0 */
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if (regs->orig_p0 >= 0)
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/* If so, check system call restarting.. */
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handle_restart(regs, ka, 1);
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handle_restart(regs, &ksig->ka, 1);
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/* set up the stack frame */
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if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs) < 0)
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force_sigsegv(sig, current);
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else
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signal_delivered(sig, info, ka, regs,
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test_thread_flag(TIF_SINGLESTEP));
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ret = setup_rt_frame(ksig, sigmask_to_save(), regs);
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signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP));
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}
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/*
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@ -264,16 +262,13 @@ handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka,
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*/
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asmlinkage void do_signal(struct pt_regs *regs)
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{
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siginfo_t info;
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int signr;
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struct k_sigaction ka;
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struct ksignal ksig;
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current->thread.esp0 = (unsigned long)regs;
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signr = get_signal_to_deliver(&info, &ka, regs, NULL);
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if (signr > 0) {
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if (get_signal(&ksig)) {
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/* Whee! Actually deliver the signal. */
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handle_signal(signr, &info, &ka, regs);
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handle_signal(&ksig, regs);
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return;
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}
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