35 extern asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs);
78 static_unused int _sys_rt_sigsuspend(abi64_no_regargs, struct pt_regs regs)  in _sys_rt_sigsuspend()  argument
84 	sigsetsize = regs.regs[5];  in _sys_rt_sigsuspend()
88 	unewset = (sigset_t *) regs.regs[4];  in _sys_rt_sigsuspend()
99 	regs.regs[2] = EINTR;  in _sys_rt_sigsuspend()
100 	regs.regs[7] = 1;  in _sys_rt_sigsuspend()
104 		if (do_signal(&saveset, &regs))  in _sys_rt_sigsuspend()
109 asmlinkage int sys_sigaltstack(abi64_no_regargs, struct pt_regs regs)  in sys_sigaltstack()  argument
111 	const stack_t *uss = (const stack_t *) regs.regs[4];  in sys_sigaltstack()
112 	stack_t *uoss = (stack_t *) regs.regs[5];  in sys_sigaltstack()
113 	unsigned long usp = regs.regs[29];  in sys_sigaltstack()
118 asmlinkage int restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)  in restore_sigcontext()  argument
122 	err |= __get_user(regs->cp0_epc, &sc->sc_pc);  in restore_sigcontext()
123 	err |= __get_user(regs->hi, &sc->sc_mdhi);  in restore_sigcontext()
124 	err |= __get_user(regs->lo, &sc->sc_mdlo);  in restore_sigcontext()
127 	err |= __get_user(regs->regs[i], &sc->sc_regs[i]);		\  in restore_sigcontext()
163 asmlinkage void sys_rt_sigreturn(abi64_no_regargs, struct pt_regs regs)  in sys_rt_sigreturn()  argument
169 	frame = (struct rt_sigframe *) regs.regs[29];  in sys_rt_sigreturn()
181 	if (restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext))  in sys_rt_sigreturn()
188 	do_sigaltstack(&st, NULL, regs.regs[29]);  in sys_rt_sigreturn()
197 		:"r" (&regs));  in sys_rt_sigreturn()
204 int inline setup_sigcontext(struct pt_regs *regs, struct sigcontext *sc)  in setup_sigcontext()  argument
208 	err |= __put_user(regs->cp0_epc, &sc->sc_pc);  in setup_sigcontext()
209 	err |= __put_user(regs->cp0_status, &sc->sc_status);  in setup_sigcontext()
212 	err |= __put_user(regs->regs[i], &sc->sc_regs[i]);		\  in setup_sigcontext()
225 	err |= __put_user(regs->hi, &sc->sc_mdhi);  in setup_sigcontext()
226 	err |= __put_user(regs->lo, &sc->sc_mdlo);  in setup_sigcontext()
227 	err |= __put_user(regs->cp0_cause, &sc->sc_cause);  in setup_sigcontext()
228 	err |= __put_user(regs->cp0_badvaddr, &sc->sc_badvaddr);  in setup_sigcontext()
252 static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,  in get_sigframe()  argument
258 	sp = regs->regs[29];  in get_sigframe()
275 	struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info)  in setup_rt_frame()  argument
280 	frame = get_sigframe(ka, regs, sizeof(*frame));  in setup_rt_frame()
302 	err |= __put_user(sas_ss_flags(regs->regs[29]),  in setup_rt_frame()
306 	err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);  in setup_rt_frame()
322 	regs->regs[ 4] = signr;  in setup_rt_frame()
323 	regs->regs[ 5] = (unsigned long) &frame->rs_info;  in setup_rt_frame()
324 	regs->regs[ 6] = (unsigned long) &frame->rs_uc;  in setup_rt_frame()
325 	regs->regs[29] = (unsigned long) frame;  in setup_rt_frame()
326 	regs->regs[31] = (unsigned long) frame->rs_code;  in setup_rt_frame()
327 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;  in setup_rt_frame()
332 	       frame, regs->cp0_epc, regs->regs[31]);  in setup_rt_frame()
343 	struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info);
346 	siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)  in handle_signal()  argument
350 		setup_rt_frame_n32 (ka, regs, sig, oldset, info);  in handle_signal()
353 		setup_rt_frame(ka, regs, sig, oldset, info);  in handle_signal()
366 static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)  in syscall_restart()  argument
368 	switch(regs->regs[0]) {  in syscall_restart()
370 		regs->regs[2] = EINTR;  in syscall_restart()
374 			regs->regs[2] = EINTR;  in syscall_restart()
379 		regs->regs[7] = regs->regs[26];  in syscall_restart()
380 		regs->cp0_epc -= 8;  in syscall_restart()
383 	regs->regs[0] = 0;		/* Don't deal with this again.  */  in syscall_restart()
386 extern int do_irix_signal(sigset_t *oldset, struct pt_regs *regs);
387 extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
389 asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs)  in do_signal()  argument
396 		return do_signal32(oldset, regs);  in do_signal()
482 				if (do_coredump(signr, regs))  in do_signal()
492 		if (regs->regs[0])  in do_signal()
493 			syscall_restart(regs, ka);  in do_signal()
495 		handle_signal(signr, ka, &info, oldset, regs);  in do_signal()
504 	if (regs->regs[0]) {  in do_signal()
505 		if (regs->regs[2] == ERESTARTNOHAND ||  in do_signal()
506 		    regs->regs[2] == ERESTARTSYS ||  in do_signal()
507 		    regs->regs[2] == ERESTARTNOINTR) {  in do_signal()
508 			regs->regs[7] = regs->regs[26];  in do_signal()
509 			regs->cp0_epc -= 8;  in do_signal()