136 					    addr_t addr)  in __peek_user_per()  argument
140 	if (addr == (addr_t) &dummy->cr9)  in __peek_user_per()
144 	else if (addr == (addr_t) &dummy->cr10)  in __peek_user_per()
148 	else if (addr == (addr_t) &dummy->cr11)  in __peek_user_per()
152 	else if (addr == (addr_t) &dummy->bits)  in __peek_user_per()
156 	else if (addr == (addr_t) &dummy->starting_addr)  in __peek_user_per()
159 	else if (addr == (addr_t) &dummy->ending_addr)  in __peek_user_per()
162 	else if (addr == (addr_t) &dummy->perc_atmid)  in __peek_user_per()
166 	else if (addr == (addr_t) &dummy->address)  in __peek_user_per()
169 	else if (addr == (addr_t) &dummy->access_id)  in __peek_user_per()
185 static unsigned long __peek_user(struct task_struct *child, addr_t addr)  in __peek_user()  argument
190 	if (addr < (addr_t) &dummy->regs.acrs) {  in __peek_user()
194 		tmp = *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr);  in __peek_user()
195 		if (addr == (addr_t) &dummy->regs.psw.mask) {  in __peek_user()
201 	} else if (addr < (addr_t) &dummy->regs.orig_gpr2) {  in __peek_user()
205 		offset = addr - (addr_t) &dummy->regs.acrs;  in __peek_user()
211 		if (addr == (addr_t) &dummy->regs.acrs[15])  in __peek_user()
216 	} else if (addr == (addr_t) &dummy->regs.orig_gpr2) {  in __peek_user()
222 	} else if (addr < (addr_t) &dummy->regs.fp_regs) {  in __peek_user()
229 	} else if (addr == (addr_t) &dummy->regs.fp_regs.fpc) {  in __peek_user()
236 	} else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) {  in __peek_user()
241 		offset = addr - (addr_t) &dummy->regs.fp_regs.fprs;  in __peek_user()
249 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {  in __peek_user()
253 		addr -= (addr_t) &dummy->regs.per_info;  in __peek_user()
254 		tmp = __peek_user_per(child, addr);  in __peek_user()
263 peek_user(struct task_struct *child, addr_t addr, addr_t data)  in peek_user()  argument
272 	if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs &&  in peek_user()
273 	    addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2)  in peek_user()
275 	if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)  in peek_user()
278 	tmp = __peek_user(child, addr);  in peek_user()
283 				   addr_t addr, addr_t data)  in __poke_user_per()  argument
299 	if (addr == (addr_t) &dummy->cr9)  in __poke_user_per()
303 	else if (addr == (addr_t) &dummy->starting_addr)  in __poke_user_per()
306 	else if (addr == (addr_t) &dummy->ending_addr)  in __poke_user_per()
317 static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)  in __poke_user()  argument
322 	if (addr < (addr_t) &dummy->regs.acrs) {  in __poke_user()
326 		if (addr == (addr_t) &dummy->regs.psw.mask) {  in __poke_user()
340 		*(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data;  in __poke_user()
342 	} else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) {  in __poke_user()
346 		offset = addr - (addr_t) &dummy->regs.acrs;  in __poke_user()
353 		if (addr == (addr_t) &dummy->regs.acrs[15])  in __poke_user()
358 	} else if (addr == (addr_t) &dummy->regs.orig_gpr2) {  in __poke_user()
364 	} else if (addr < (addr_t) &dummy->regs.fp_regs) {  in __poke_user()
371 	} else if (addr == (addr_t) &dummy->regs.fp_regs.fpc) {  in __poke_user()
380 	} else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) {  in __poke_user()
385 		offset = addr - (addr_t) &dummy->regs.fp_regs.fprs;  in __poke_user()
393 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {  in __poke_user()
397 		addr -= (addr_t) &dummy->regs.per_info;  in __poke_user()
398 		__poke_user_per(child, addr, data);  in __poke_user()
405 static int poke_user(struct task_struct *child, addr_t addr, addr_t data)  in poke_user()  argument
414 	if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs &&  in poke_user()
415 	    addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2)  in poke_user()
417 	if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)  in poke_user()
420 	return __poke_user(child, addr, data);  in poke_user()
424 		 unsigned long addr, unsigned long data)  in arch_ptrace()  argument
432 		return peek_user(child, addr, data);  in arch_ptrace()
436 		return poke_user(child, addr, data);  in arch_ptrace()
440 		if (copy_from_user(&parea, (void __force __user *) addr,  in arch_ptrace()
443 		addr = parea.kernel_addr;  in arch_ptrace()
448 				ret = peek_user(child, addr, data);  in arch_ptrace()
454 				ret = poke_user(child, addr, utmp);  in arch_ptrace()
458 			addr += sizeof(unsigned long);  in arch_ptrace()
499 		addr &= PSW_ADDR_INSN;  in arch_ptrace()
500 		return ptrace_request(child, request, addr, data);  in arch_ptrace()
523 					   addr_t addr)  in __peek_user_per_compat()  argument
527 	if (addr == (addr_t) &dummy32->cr9)  in __peek_user_per_compat()
531 	else if (addr == (addr_t) &dummy32->cr10)  in __peek_user_per_compat()
535 	else if (addr == (addr_t) &dummy32->cr11)  in __peek_user_per_compat()
539 	else if (addr == (addr_t) &dummy32->bits)  in __peek_user_per_compat()
543 	else if (addr == (addr_t) &dummy32->starting_addr)  in __peek_user_per_compat()
546 	else if (addr == (addr_t) &dummy32->ending_addr)  in __peek_user_per_compat()
549 	else if (addr == (addr_t) &dummy32->perc_atmid)  in __peek_user_per_compat()
552 	else if (addr == (addr_t) &dummy32->address)  in __peek_user_per_compat()
555 	else if (addr == (addr_t) &dummy32->access_id)  in __peek_user_per_compat()
564 static u32 __peek_user_compat(struct task_struct *child, addr_t addr)  in __peek_user_compat()  argument
570 	if (addr < (addr_t) &dummy32->regs.acrs) {  in __peek_user_compat()
575 		if (addr == (addr_t) &dummy32->regs.psw.mask) {  in __peek_user_compat()
580 		} else if (addr == (addr_t) &dummy32->regs.psw.addr) {  in __peek_user_compat()
582 			tmp = (__u32) regs->psw.addr |  in __peek_user_compat()
586 			tmp = *(__u32 *)((addr_t) &regs->psw + addr*2 + 4);  in __peek_user_compat()
588 	} else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) {  in __peek_user_compat()
592 		offset = addr - (addr_t) &dummy32->regs.acrs;  in __peek_user_compat()
595 	} else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) {  in __peek_user_compat()
601 	} else if (addr < (addr_t) &dummy32->regs.fp_regs) {  in __peek_user_compat()
608 	} else if (addr == (addr_t) &dummy32->regs.fp_regs.fpc) {  in __peek_user_compat()
614 	} else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) {  in __peek_user_compat()
619 		offset = addr - (addr_t) &dummy32->regs.fp_regs.fprs;  in __peek_user_compat()
627 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {  in __peek_user_compat()
631 		addr -= (addr_t) &dummy32->regs.per_info;  in __peek_user_compat()
632 		tmp = __peek_user_per_compat(child, addr);  in __peek_user_compat()
641 			    addr_t addr, addr_t data)  in peek_user_compat()  argument
645 	if (!is_compat_task() || (addr & 3) || addr > sizeof(struct user) - 3)  in peek_user_compat()
648 	tmp = __peek_user_compat(child, addr);  in peek_user_compat()
656 					  addr_t addr, __u32 data)  in __poke_user_per_compat()  argument
660 	if (addr == (addr_t) &dummy32->cr9)  in __poke_user_per_compat()
664 	else if (addr == (addr_t) &dummy32->starting_addr)  in __poke_user_per_compat()
667 	else if (addr == (addr_t) &dummy32->ending_addr)  in __poke_user_per_compat()
676 			      addr_t addr, addr_t data)  in __poke_user_compat()  argument
682 	if (addr < (addr_t) &dummy32->regs.acrs) {  in __poke_user_compat()
687 		if (addr == (addr_t) &dummy32->regs.psw.mask) {  in __poke_user_compat()
701 		} else if (addr == (addr_t) &dummy32->regs.psw.addr) {  in __poke_user_compat()
703 			regs->psw.addr = (__u64) tmp & PSW32_ADDR_INSN;  in __poke_user_compat()
709 			*(__u32*)((addr_t) &regs->psw + addr*2 + 4) = tmp;  in __poke_user_compat()
711 	} else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) {  in __poke_user_compat()
715 		offset = addr - (addr_t) &dummy32->regs.acrs;  in __poke_user_compat()
718 	} else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) {  in __poke_user_compat()
724 	} else if (addr < (addr_t) &dummy32->regs.fp_regs) {  in __poke_user_compat()
731 	} else if (addr == (addr_t) &dummy32->regs.fp_regs.fpc) {  in __poke_user_compat()
739 	} else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) {  in __poke_user_compat()
744 		offset = addr - (addr_t) &dummy32->regs.fp_regs.fprs;  in __poke_user_compat()
752 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {  in __poke_user_compat()
756 		addr -= (addr_t) &dummy32->regs.per_info;  in __poke_user_compat()
757 		__poke_user_per_compat(child, addr, data);  in __poke_user_compat()
764 			    addr_t addr, addr_t data)  in poke_user_compat()  argument
766 	if (!is_compat_task() || (addr & 3) ||  in poke_user_compat()
767 	    addr > sizeof(struct compat_user) - 3)  in poke_user_compat()
770 	return __poke_user_compat(child, addr, data);  in poke_user_compat()
776 	unsigned long addr = caddr;  in compat_arch_ptrace()  local
784 		return peek_user_compat(child, addr, data);  in compat_arch_ptrace()
788 		return poke_user_compat(child, addr, data);  in compat_arch_ptrace()
792 		if (copy_from_user(&parea, (void __force __user *) addr,  in compat_arch_ptrace()
795 		addr = parea.kernel_addr;  in compat_arch_ptrace()
800 				ret = peek_user_compat(child, addr, data);  in compat_arch_ptrace()
806 				ret = poke_user_compat(child, addr, utmp);  in compat_arch_ptrace()
810 			addr += sizeof(unsigned int);  in compat_arch_ptrace()
820 	return compat_ptrace_request(child, request, addr, data);  in compat_arch_ptrace()
1467 static int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr)  in regs_within_kernel_stack()  argument
1471 	return (addr & ~(THREAD_SIZE - 1)) == (ksp & ~(THREAD_SIZE - 1));  in regs_within_kernel_stack()
1485 	unsigned long addr;  in regs_get_kernel_stack_nth()  local
1487 	addr = kernel_stack_pointer(regs) + n * sizeof(long);  in regs_get_kernel_stack_nth()
1488 	if (!regs_within_kernel_stack(regs, addr))  in regs_get_kernel_stack_nth()
1490 	return *(unsigned long *)addr;  in regs_get_kernel_stack_nth()