53 	unsigned long next_ip;  in perf_callchain_kernel()  local
76 			next_ip = regs->nip;  in perf_callchain_kernel()
83 				next_ip = lr;  in perf_callchain_kernel()
85 				next_ip = fp[STACK_FRAME_LR_SAVE];  in perf_callchain_kernel()
94 			if ((level == 1 && next_ip == lr) ||  in perf_callchain_kernel()
95 			    (level <= 1 && !kernel_text_address(next_ip)))  in perf_callchain_kernel()
96 				next_ip = 0;  in perf_callchain_kernel()
101 		perf_callchain_store(entry, next_ip);  in perf_callchain_kernel()
227 	unsigned long next_ip;  in perf_callchain_user_64()  local
233 	next_ip = regs->nip;  in perf_callchain_user_64()
236 	perf_callchain_store(entry, next_ip);  in perf_callchain_user_64()
242 		if (level > 0 && read_user_stack_64(&fp[2], &next_ip))  in perf_callchain_user_64()
252 		    (is_sigreturn_64_address(next_ip, sp) ||  in perf_callchain_user_64()
260 			if (read_user_stack_64(&uregs[PT_NIP], &next_ip) ||  in perf_callchain_user_64()
266 			perf_callchain_store(entry, next_ip);  in perf_callchain_user_64()
271 			next_ip = lr;  in perf_callchain_user_64()
272 		perf_callchain_store(entry, next_ip);  in perf_callchain_user_64()
393 				unsigned int next_sp, unsigned int next_ip)  in signal_frame_32_regs()  argument
406 	    is_sigreturn_32_address(next_ip, sp) &&  in signal_frame_32_regs()
413 	    is_rt_sigreturn_32_address(next_ip, sp) &&  in signal_frame_32_regs()
428 	unsigned int next_ip;  in perf_callchain_user_32()  local
433 	next_ip = regs->nip;  in perf_callchain_user_32()
436 	perf_callchain_store(entry, next_ip);  in perf_callchain_user_32()
442 		if (level > 0 && read_user_stack_32(&fp[1], &next_ip))  in perf_callchain_user_32()
445 		uregs = signal_frame_32_regs(sp, next_sp, next_ip);  in perf_callchain_user_32()
453 			if (read_user_stack_32(&uregs[PT_NIP], &next_ip) ||  in perf_callchain_user_32()
459 			perf_callchain_store(entry, next_ip);  in perf_callchain_user_32()
464 			next_ip = lr;  in perf_callchain_user_32()
465 		perf_callchain_store(entry, next_ip);  in perf_callchain_user_32()