179 static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs)  in save_sigregs32()  argument
184 	user_sregs.regs.psw.mask = (__u32)(regs->psw.mask >> 32);  in save_sigregs32()
185 	user_sregs.regs.psw.mask &= PSW32_MASK_USER | PSW32_MASK_RI;  in save_sigregs32()
186 	user_sregs.regs.psw.mask |= PSW32_USER_BITS;  in save_sigregs32()
187 	user_sregs.regs.psw.addr = (__u32) regs->psw.addr |  in save_sigregs32()
188 		(__u32)(regs->psw.mask & PSW_MASK_BA);  in save_sigregs32()
190 		user_sregs.regs.gprs[i] = (__u32) regs->gprs[i];  in save_sigregs32()
191 	memcpy(&user_sregs.regs.acrs, current->thread.acrs,  in save_sigregs32()
192 	       sizeof(user_sregs.regs.acrs));  in save_sigregs32()
199 static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs)  in restore_sigregs32()  argument
207 	if (__copy_from_user(&user_sregs, &sregs->regs, sizeof(user_sregs)))  in restore_sigregs32()
210 	if (!is_ri_task(current) && (user_sregs.regs.psw.mask & PSW32_MASK_RI))  in restore_sigregs32()
218 	regs->psw.mask = (regs->psw.mask & ~(PSW_MASK_USER | PSW_MASK_RI)) |  in restore_sigregs32()
219 		(__u64)(user_sregs.regs.psw.mask & PSW32_MASK_USER) << 32 |  in restore_sigregs32()
220 		(__u64)(user_sregs.regs.psw.mask & PSW32_MASK_RI) << 32 |  in restore_sigregs32()
221 		(__u64)(user_sregs.regs.psw.addr & PSW32_ADDR_AMODE);  in restore_sigregs32()
223 	if ((regs->psw.mask & PSW_MASK_ASC) == PSW_ASC_HOME)  in restore_sigregs32()
224 		regs->psw.mask = PSW_ASC_PRIMARY |  in restore_sigregs32()
225 			(regs->psw.mask & ~PSW_MASK_ASC);  in restore_sigregs32()
226 	regs->psw.addr = (__u64)(user_sregs.regs.psw.addr & PSW32_ADDR_INSN);  in restore_sigregs32()
228 		regs->gprs[i] = (__u64) user_sregs.regs.gprs[i];  in restore_sigregs32()
229 	memcpy(&current->thread.acrs, &user_sregs.regs.acrs,  in restore_sigregs32()
233 	clear_pt_regs_flag(regs, PIF_SYSCALL); /* No longer in a system call */  in restore_sigregs32()
237 static int save_sigregs_ext32(struct pt_regs *regs,  in save_sigregs_ext32()  argument
246 		gprs_high[i] = regs->gprs[i] >> 32;  in save_sigregs_ext32()
265 static int restore_sigregs_ext32(struct pt_regs *regs,  in restore_sigregs_ext32()  argument
277 		*(__u32 *)&regs->gprs[i] = gprs_high[i];  in restore_sigregs_ext32()
295 	struct pt_regs *regs = task_pt_regs(current);  in COMPAT_SYSCALL_DEFINE0()  local
296 	sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15];  in COMPAT_SYSCALL_DEFINE0()
305 	if (restore_sigregs32(regs, &frame->sregs))  in COMPAT_SYSCALL_DEFINE0()
307 	if (restore_sigregs_ext32(regs, &frame->sregs_ext))  in COMPAT_SYSCALL_DEFINE0()
310 	return regs->gprs[2];  in COMPAT_SYSCALL_DEFINE0()
318 	struct pt_regs *regs = task_pt_regs(current);  in COMPAT_SYSCALL_DEFINE0()  local
319 	rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15];  in COMPAT_SYSCALL_DEFINE0()
330 	if (restore_sigregs32(regs, &frame->uc.uc_mcontext))  in COMPAT_SYSCALL_DEFINE0()
332 	if (restore_sigregs_ext32(regs, &frame->uc.uc_mcontext_ext))  in COMPAT_SYSCALL_DEFINE0()
335 	return regs->gprs[2];  in COMPAT_SYSCALL_DEFINE0()
350 get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)  in get_sigframe()  argument
355 	sp = (unsigned long) A(regs->gprs[15]);  in get_sigframe()
371 			 struct pt_regs *regs)  in setup_frame32()  argument
388 	frame = get_sigframe(&ksig->ka, regs, frame_size);  in setup_frame32()
393 	if (__put_user(regs->gprs[15], (unsigned int __user *) frame))  in setup_frame32()
406 	if (save_sigregs32(regs, &frame->sregs))  in setup_frame32()
410 	if (__put_user(regs->gprs[2], (int __force __user *) &frame->signo))  in setup_frame32()
414 	if (save_sigregs_ext32(regs, &frame->sregs_ext))  in setup_frame32()
431 	regs->gprs[14] = restorer;  in setup_frame32()
432 	regs->gprs[15] = (__force __u64) frame;  in setup_frame32()
434 	regs->psw.mask = PSW_MASK_BA |  in setup_frame32()
436 		(regs->psw.mask & ~PSW_MASK_ASC);  in setup_frame32()
437 	regs->psw.addr = (__force __u64) ksig->ka.sa.sa_handler;  in setup_frame32()
439 	regs->gprs[2] = sig;  in setup_frame32()
440 	regs->gprs[3] = (__force __u64) &frame->sc;  in setup_frame32()
447 		regs->gprs[4] = regs->int_code & 127;  in setup_frame32()
448 		regs->gprs[5] = regs->int_parm_long;  in setup_frame32()
449 		regs->gprs[6] = task_thread_info(current)->last_break;  in setup_frame32()
456 			    struct pt_regs *regs)  in setup_rt_frame32()  argument
477 	frame = get_sigframe(&ksig->ka, regs, frame_size);  in setup_rt_frame32()
482 	if (__put_user(regs->gprs[15], (unsigned int __force __user *) frame))  in setup_rt_frame32()
508 	    __compat_save_altstack(&frame->uc.uc_stack, regs->gprs[15]) ||  in setup_rt_frame32()
509 	    save_sigregs32(regs, &frame->uc.uc_mcontext) ||  in setup_rt_frame32()
511 	    save_sigregs_ext32(regs, &frame->uc.uc_mcontext_ext))  in setup_rt_frame32()
515 	regs->gprs[14] = restorer;  in setup_rt_frame32()
516 	regs->gprs[15] = (__force __u64) frame;  in setup_rt_frame32()
518 	regs->psw.mask = PSW_MASK_BA |  in setup_rt_frame32()
520 		(regs->psw.mask & ~PSW_MASK_ASC);  in setup_rt_frame32()
521 	regs->psw.addr = (__u64 __force) ksig->ka.sa.sa_handler;  in setup_rt_frame32()
523 	regs->gprs[2] = ksig->sig;  in setup_rt_frame32()
524 	regs->gprs[3] = (__force __u64) &frame->info;  in setup_rt_frame32()
525 	regs->gprs[4] = (__force __u64) &frame->uc;  in setup_rt_frame32()
526 	regs->gprs[5] = task_thread_info(current)->last_break;  in setup_rt_frame32()
535 		     struct pt_regs *regs)  in handle_signal32()  argument
541 		ret = setup_rt_frame32(ksig, oldset, regs);  in handle_signal32()
543 		ret = setup_frame32(ksig, oldset, regs);  in handle_signal32()