50 	struct pt_regs		regs;  member
75 asmlinkage void do_sigreturn(struct pt_regs *regs)  in do_sigreturn()  argument
89 	sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];  in do_sigreturn()
108 	up_psr = regs->psr;  in do_sigreturn()
109 	err |= __copy_from_user(regs, &sf->info.si_regs, sizeof(struct pt_regs));  in do_sigreturn()
112 	regs->psr = (up_psr & ~(PSR_ICC | PSR_EF))  in do_sigreturn()
113 		  | (regs->psr & (PSR_ICC | PSR_EF));  in do_sigreturn()
116 	pt_regs_clear_syscall(regs);  in do_sigreturn()
120 		err |= restore_fpu_state(regs, fpu_save);  in do_sigreturn()
142 asmlinkage void do_rt_sigreturn(struct pt_regs *regs)  in do_rt_sigreturn()  argument
152 	sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];  in do_rt_sigreturn()
156 	if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))  in do_rt_sigreturn()
162 	err = __get_user(pc, &sf->regs.pc);  in do_rt_sigreturn()
163 	err |= __get_user(npc, &sf->regs.npc);  in do_rt_sigreturn()
166 	err |= __get_user(regs->y, &sf->regs.y);  in do_rt_sigreturn()
167 	err |= __get_user(psr, &sf->regs.psr);  in do_rt_sigreturn()
169 	err |= __copy_from_user(&regs->u_regs[UREG_G1],  in do_rt_sigreturn()
170 				&sf->regs.u_regs[UREG_G1], 15 * sizeof(u32));  in do_rt_sigreturn()
172 	regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC);  in do_rt_sigreturn()
175 	pt_regs_clear_syscall(regs);  in do_rt_sigreturn()
179 		err |= restore_fpu_state(regs, fpu_save);  in do_rt_sigreturn()
186 	regs->pc = pc;  in do_rt_sigreturn()
187 	regs->npc = npc;  in do_rt_sigreturn()
201 static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long f…  in get_sigframe()  argument
203 	unsigned long sp = regs->u_regs[UREG_FP];  in get_sigframe()
226 static int setup_frame(struct ksignal *ksig, struct pt_regs *regs,  in setup_frame()  argument
245 		get_sigframe(ksig, regs, sigframe_size);  in setup_frame()
255 	err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs));  in setup_frame()
262 		err |= save_fpu_state(regs, fp);  in setup_frame()
280 		err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],  in setup_frame()
292 	regs->u_regs[UREG_FP] = (unsigned long) sf;  in setup_frame()
293 	regs->u_regs[UREG_I0] = ksig->sig;  in setup_frame()
294 	regs->u_regs[UREG_I1] = (unsigned long) &sf->info;  in setup_frame()
295 	regs->u_regs[UREG_I2] = (unsigned long) &sf->info;  in setup_frame()
298 	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;  in setup_frame()
299 	regs->npc = (regs->pc + 4);  in setup_frame()
303 		regs->u_regs[UREG_I7] = (unsigned long)ksig->ka.ka_restorer;  in setup_frame()
305 		regs->u_regs[UREG_I7] = (unsigned long)(&(sf->insns[0]) - 2);  in setup_frame()
321 static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,  in setup_rt_frame()  argument
338 		get_sigframe(ksig, regs, sigframe_size);  in setup_rt_frame()
345 	err  = __put_user(regs->pc, &sf->regs.pc);  in setup_rt_frame()
346 	err |= __put_user(regs->npc, &sf->regs.npc);  in setup_rt_frame()
347 	err |= __put_user(regs->y, &sf->regs.y);  in setup_rt_frame()
348 	psr = regs->psr;  in setup_rt_frame()
351 	err |= __put_user(psr, &sf->regs.psr);  in setup_rt_frame()
352 	err |= __copy_to_user(&sf->regs.u_regs, regs->u_regs, sizeof(regs->u_regs));  in setup_rt_frame()
358 		err |= save_fpu_state(regs, fp);  in setup_rt_frame()
374 	err |= __save_altstack(&sf->stack, regs->u_regs[UREG_FP]);  in setup_rt_frame()
377 		err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],  in setup_rt_frame()
391 	regs->u_regs[UREG_FP] = (unsigned long) sf;  in setup_rt_frame()
392 	regs->u_regs[UREG_I0] = ksig->sig;  in setup_rt_frame()
393 	regs->u_regs[UREG_I1] = (unsigned long) &sf->info;  in setup_rt_frame()
394 	regs->u_regs[UREG_I2] = (unsigned long) &sf->regs;  in setup_rt_frame()
396 	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;  in setup_rt_frame()
397 	regs->npc = (regs->pc + 4);  in setup_rt_frame()
400 		regs->u_regs[UREG_I7] = (unsigned long)ksig->ka.ka_restorer;  in setup_rt_frame()
402 		regs->u_regs[UREG_I7] = (unsigned long)(&(sf->insns[0]) - 2);  in setup_rt_frame()
419 handle_signal(struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
425 		err = setup_rt_frame(ksig, regs, oldset);  in handle_signal()
427 		err = setup_frame(ksig, regs, oldset);  in handle_signal()
431 static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,  in syscall_restart()  argument
434 	switch(regs->u_regs[UREG_I0]) {  in syscall_restart()
438 		regs->u_regs[UREG_I0] = EINTR;  in syscall_restart()
439 		regs->psr |= PSR_C;  in syscall_restart()
446 		regs->u_regs[UREG_I0] = orig_i0;  in syscall_restart()
447 		regs->pc -= 4;  in syscall_restart()
448 		regs->npc -= 4;  in syscall_restart()
456 static void do_signal(struct pt_regs *regs, unsigned long orig_i0)  in do_signal()  argument
480 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))  in do_signal()
481 		regs->u_regs[UREG_G6] = orig_i0;  in do_signal()
490 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {  in do_signal()
492 		orig_i0 = regs->u_regs[UREG_G6];  in do_signal()
497 			syscall_restart(orig_i0, regs, &ksig.ka.sa);  in do_signal()
498 		handle_signal(&ksig, regs);  in do_signal()
501 			switch (regs->u_regs[UREG_I0]) {  in do_signal()
506 				regs->u_regs[UREG_I0] = orig_i0;  in do_signal()
507 				regs->pc -= 4;  in do_signal()
508 				regs->npc -= 4;  in do_signal()
509 				pt_regs_clear_syscall(regs);  in do_signal()
511 				regs->u_regs[UREG_G1] = __NR_restart_syscall;  in do_signal()
512 				regs->pc -= 4;  in do_signal()
513 				regs->npc -= 4;  in do_signal()
514 				pt_regs_clear_syscall(regs);  in do_signal()
521 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,  in do_notify_resume()  argument
525 		do_signal(regs, orig_i0);  in do_notify_resume()
528 		tracehook_notify_resume(regs);  in do_notify_resume()