59 static int restore_sigcontext(struct pt_regs *regs,  in restore_sigcontext()  argument
64 #define COPY(x)		{err |= __get_user(regs->x, &sc->regs.x); }  in restore_sigcontext()
78 	*rval_p = regs->r3;  in restore_sigcontext()
83 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)  in sys_rt_sigreturn()  argument
86 		(struct rt_sigframe __user *)(regs->r1);  in sys_rt_sigreturn()
102 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &rval))  in sys_rt_sigreturn()
120 setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,  in setup_sigcontext()  argument
125 #define COPY(x)		{err |= __put_user(regs->x, &sc->regs.x); }  in setup_sigcontext()
148 get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size)  in get_sigframe()  argument
151 	unsigned long sp = sigsp(regs->r1, ksig);  in get_sigframe()
157 			  struct pt_regs *regs)  in setup_rt_frame()  argument
167 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
178 	err |= __save_altstack(&frame->uc.uc_stack, regs->r1);  in setup_rt_frame()
180 			regs, set->sig[0]);  in setup_rt_frame()
194 	regs->r15 = ((unsigned long)frame->tramp)-8;  in setup_rt_frame()
223 	regs->r1 = (unsigned long) frame;  in setup_rt_frame()
226 	regs->r5 = sig; /* arg 0: signum */  in setup_rt_frame()
227 	regs->r6 = (unsigned long) &frame->info; /* arg 1: siginfo */  in setup_rt_frame()
228 	regs->r7 = (unsigned long) &frame->uc; /* arg2: ucontext */  in setup_rt_frame()
230 	regs->pc = (unsigned long)ksig->ka.sa.sa_handler;  in setup_rt_frame()
234 		current->comm, current->pid, frame, regs->pc);  in setup_rt_frame()
242 handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)  in handle_restart()  argument
244 	switch (regs->r3) {  in handle_restart()
249 		regs->r3 = -EINTR;  in handle_restart()
253 			regs->r3 = -EINTR;  in handle_restart()
260 		regs->pc -= 4;  in handle_restart()
270 handle_signal(struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
276 	ret = setup_rt_frame(ksig, oldset, regs);  in handle_signal()
290 static void do_signal(struct pt_regs *regs, int in_syscall)  in do_signal()  argument
295 	pr_info("do signal: %p %d\n", regs, in_syscall);  in do_signal()
296 	pr_info("do signal2: %lx %lx %ld [%lx]\n", regs->pc, regs->r1,  in do_signal()
297 			regs->r12, current_thread_info()->flags);  in do_signal()
303 			handle_restart(regs, &ksig.ka, 1);  in do_signal()
304 		handle_signal(&ksig, regs);  in do_signal()
309 		handle_restart(regs, NULL, 0);  in do_signal()
318 asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall)  in do_notify_resume()  argument
321 		do_signal(regs, in_syscall);  in do_notify_resume()
324 		tracehook_notify_resume(regs);  in do_notify_resume()