148 					    addr_t addr)  in __peek_user_per()  argument
152 	if (addr == (addr_t) &dummy->cr9)  in __peek_user_per()
156 	else if (addr == (addr_t) &dummy->cr10)  in __peek_user_per()
160 	else if (addr == (addr_t) &dummy->cr11)  in __peek_user_per()
164 	else if (addr == (addr_t) &dummy->bits)  in __peek_user_per()
168 	else if (addr == (addr_t) &dummy->starting_addr)  in __peek_user_per()
171 	else if (addr == (addr_t) &dummy->ending_addr)  in __peek_user_per()
174 	else if (addr == (addr_t) &dummy->perc_atmid)  in __peek_user_per()
178 	else if (addr == (addr_t) &dummy->address)  in __peek_user_per()
181 	else if (addr == (addr_t) &dummy->access_id)  in __peek_user_per()
197 static unsigned long __peek_user(struct task_struct *child, addr_t addr)  in __peek_user()  argument
202 	if (addr < (addr_t) &dummy->regs.acrs) {  in __peek_user()
206 		tmp = *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr);  in __peek_user()
207 		if (addr == (addr_t) &dummy->regs.psw.mask) {  in __peek_user()
213 	} else if (addr < (addr_t) &dummy->regs.orig_gpr2) {  in __peek_user()
217 		offset = addr - (addr_t) &dummy->regs.acrs;  in __peek_user()
223 		if (addr == (addr_t) &dummy->regs.acrs[15])  in __peek_user()
228 	} else if (addr == (addr_t) &dummy->regs.orig_gpr2) {  in __peek_user()
234 	} else if (addr < (addr_t) &dummy->regs.fp_regs) {  in __peek_user()
241 	} else if (addr == (addr_t) &dummy->regs.fp_regs.fpc) {  in __peek_user()
248 	} else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) {  in __peek_user()
253 		offset = addr - (addr_t) &dummy->regs.fp_regs.fprs;  in __peek_user()
261 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {  in __peek_user()
265 		addr -= (addr_t) &dummy->regs.per_info;  in __peek_user()
266 		tmp = __peek_user_per(child, addr);  in __peek_user()
275 peek_user(struct task_struct *child, addr_t addr, addr_t data)  in peek_user()  argument
284 	if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs &&  in peek_user()
285 	    addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2)  in peek_user()
287 	if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)  in peek_user()
290 	tmp = __peek_user(child, addr);  in peek_user()
295 				   addr_t addr, addr_t data)  in __poke_user_per()  argument
311 	if (addr == (addr_t) &dummy->cr9)  in __poke_user_per()
315 	else if (addr == (addr_t) &dummy->starting_addr)  in __poke_user_per()
318 	else if (addr == (addr_t) &dummy->ending_addr)  in __poke_user_per()
329 static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)  in __poke_user()  argument
334 	if (addr < (addr_t) &dummy->regs.acrs) {  in __poke_user()
338 		if (addr == (addr_t) &dummy->regs.psw.mask) {  in __poke_user()
352 		*(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data;  in __poke_user()
354 	} else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) {  in __poke_user()
358 		offset = addr - (addr_t) &dummy->regs.acrs;  in __poke_user()
365 		if (addr == (addr_t) &dummy->regs.acrs[15])  in __poke_user()
370 	} else if (addr == (addr_t) &dummy->regs.orig_gpr2) {  in __poke_user()
376 	} else if (addr < (addr_t) &dummy->regs.fp_regs) {  in __poke_user()
383 	} else if (addr == (addr_t) &dummy->regs.fp_regs.fpc) {  in __poke_user()
392 	} else if (addr < (addr_t) (&dummy->regs.fp_regs + 1)) {  in __poke_user()
397 		offset = addr - (addr_t) &dummy->regs.fp_regs.fprs;  in __poke_user()
405 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {  in __poke_user()
409 		addr -= (addr_t) &dummy->regs.per_info;  in __poke_user()
410 		__poke_user_per(child, addr, data);  in __poke_user()
417 static int poke_user(struct task_struct *child, addr_t addr, addr_t data)  in poke_user()  argument
426 	if (addr >= (addr_t) &((struct user *) NULL)->regs.acrs &&  in poke_user()
427 	    addr < (addr_t) &((struct user *) NULL)->regs.orig_gpr2)  in poke_user()
429 	if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)  in poke_user()
432 	return __poke_user(child, addr, data);  in poke_user()
436 		 unsigned long addr, unsigned long data)  in arch_ptrace()  argument
444 		return peek_user(child, addr, data);  in arch_ptrace()
448 		return poke_user(child, addr, data);  in arch_ptrace()
452 		if (copy_from_user(&parea, (void __force __user *) addr,  in arch_ptrace()
455 		addr = parea.kernel_addr;  in arch_ptrace()
460 				ret = peek_user(child, addr, data);  in arch_ptrace()
466 				ret = poke_user(child, addr, utmp);  in arch_ptrace()
470 			addr += sizeof(unsigned long);  in arch_ptrace()
511 		addr &= PSW_ADDR_INSN;  in arch_ptrace()
512 		return ptrace_request(child, request, addr, data);  in arch_ptrace()
535 					   addr_t addr)  in __peek_user_per_compat()  argument
539 	if (addr == (addr_t) &dummy32->cr9)  in __peek_user_per_compat()
543 	else if (addr == (addr_t) &dummy32->cr10)  in __peek_user_per_compat()
547 	else if (addr == (addr_t) &dummy32->cr11)  in __peek_user_per_compat()
551 	else if (addr == (addr_t) &dummy32->bits)  in __peek_user_per_compat()
555 	else if (addr == (addr_t) &dummy32->starting_addr)  in __peek_user_per_compat()
558 	else if (addr == (addr_t) &dummy32->ending_addr)  in __peek_user_per_compat()
561 	else if (addr == (addr_t) &dummy32->perc_atmid)  in __peek_user_per_compat()
564 	else if (addr == (addr_t) &dummy32->address)  in __peek_user_per_compat()
567 	else if (addr == (addr_t) &dummy32->access_id)  in __peek_user_per_compat()
576 static u32 __peek_user_compat(struct task_struct *child, addr_t addr)  in __peek_user_compat()  argument
582 	if (addr < (addr_t) &dummy32->regs.acrs) {  in __peek_user_compat()
587 		if (addr == (addr_t) &dummy32->regs.psw.mask) {  in __peek_user_compat()
592 		} else if (addr == (addr_t) &dummy32->regs.psw.addr) {  in __peek_user_compat()
594 			tmp = (__u32) regs->psw.addr |  in __peek_user_compat()
598 			tmp = *(__u32 *)((addr_t) &regs->psw + addr*2 + 4);  in __peek_user_compat()
600 	} else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) {  in __peek_user_compat()
604 		offset = addr - (addr_t) &dummy32->regs.acrs;  in __peek_user_compat()
607 	} else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) {  in __peek_user_compat()
613 	} else if (addr < (addr_t) &dummy32->regs.fp_regs) {  in __peek_user_compat()
620 	} else if (addr == (addr_t) &dummy32->regs.fp_regs.fpc) {  in __peek_user_compat()
626 	} else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) {  in __peek_user_compat()
631 		offset = addr - (addr_t) &dummy32->regs.fp_regs.fprs;  in __peek_user_compat()
639 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {  in __peek_user_compat()
643 		addr -= (addr_t) &dummy32->regs.per_info;  in __peek_user_compat()
644 		tmp = __peek_user_per_compat(child, addr);  in __peek_user_compat()
653 			    addr_t addr, addr_t data)  in peek_user_compat()  argument
657 	if (!is_compat_task() || (addr & 3) || addr > sizeof(struct user) - 3)  in peek_user_compat()
660 	tmp = __peek_user_compat(child, addr);  in peek_user_compat()
668 					  addr_t addr, __u32 data)  in __poke_user_per_compat()  argument
672 	if (addr == (addr_t) &dummy32->cr9)  in __poke_user_per_compat()
676 	else if (addr == (addr_t) &dummy32->starting_addr)  in __poke_user_per_compat()
679 	else if (addr == (addr_t) &dummy32->ending_addr)  in __poke_user_per_compat()
688 			      addr_t addr, addr_t data)  in __poke_user_compat()  argument
694 	if (addr < (addr_t) &dummy32->regs.acrs) {  in __poke_user_compat()
699 		if (addr == (addr_t) &dummy32->regs.psw.mask) {  in __poke_user_compat()
713 		} else if (addr == (addr_t) &dummy32->regs.psw.addr) {  in __poke_user_compat()
715 			regs->psw.addr = (__u64) tmp & PSW32_ADDR_INSN;  in __poke_user_compat()
721 			*(__u32*)((addr_t) &regs->psw + addr*2 + 4) = tmp;  in __poke_user_compat()
723 	} else if (addr < (addr_t) (&dummy32->regs.orig_gpr2)) {  in __poke_user_compat()
727 		offset = addr - (addr_t) &dummy32->regs.acrs;  in __poke_user_compat()
730 	} else if (addr == (addr_t) (&dummy32->regs.orig_gpr2)) {  in __poke_user_compat()
736 	} else if (addr < (addr_t) &dummy32->regs.fp_regs) {  in __poke_user_compat()
743 	} else if (addr == (addr_t) &dummy32->regs.fp_regs.fpc) {  in __poke_user_compat()
751 	} else if (addr < (addr_t) (&dummy32->regs.fp_regs + 1)) {  in __poke_user_compat()
756 		offset = addr - (addr_t) &dummy32->regs.fp_regs.fprs;  in __poke_user_compat()
764 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {  in __poke_user_compat()
768 		addr -= (addr_t) &dummy32->regs.per_info;  in __poke_user_compat()
769 		__poke_user_per_compat(child, addr, data);  in __poke_user_compat()
776 			    addr_t addr, addr_t data)  in poke_user_compat()  argument
778 	if (!is_compat_task() || (addr & 3) ||  in poke_user_compat()
779 	    addr > sizeof(struct compat_user) - 3)  in poke_user_compat()
782 	return __poke_user_compat(child, addr, data);  in poke_user_compat()
788 	unsigned long addr = caddr;  in compat_arch_ptrace()  local
796 		return peek_user_compat(child, addr, data);  in compat_arch_ptrace()
800 		return poke_user_compat(child, addr, data);  in compat_arch_ptrace()
804 		if (copy_from_user(&parea, (void __force __user *) addr,  in compat_arch_ptrace()
807 		addr = parea.kernel_addr;  in compat_arch_ptrace()
812 				ret = peek_user_compat(child, addr, data);  in compat_arch_ptrace()
818 				ret = poke_user_compat(child, addr, utmp);  in compat_arch_ptrace()
822 			addr += sizeof(unsigned int);  in compat_arch_ptrace()
832 	return compat_ptrace_request(child, request, addr, data);  in compat_arch_ptrace()
1509 static int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr)  in regs_within_kernel_stack()  argument
1513 	return (addr & ~(THREAD_SIZE - 1)) == (ksp & ~(THREAD_SIZE - 1));  in regs_within_kernel_stack()
1527 	unsigned long addr;  in regs_get_kernel_stack_nth()  local
1529 	addr = kernel_stack_pointer(regs) + n * sizeof(long);  in regs_get_kernel_stack_nth()
1530 	if (!regs_within_kernel_stack(regs, addr))  in regs_get_kernel_stack_nth()
1532 	return *(unsigned long *)addr;  in regs_get_kernel_stack_nth()