56 	unsigned long *fp;  in perf_callchain_kernel()  local
66 		fp = (unsigned long *) sp;  in perf_callchain_kernel()
67 		next_sp = fp[0];  in perf_callchain_kernel()
70 		    fp[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) {  in perf_callchain_kernel()
85 				next_ip = fp[STACK_FRAME_LR_SAVE];  in perf_callchain_kernel()
208 static int is_sigreturn_64_address(unsigned long nip, unsigned long fp)  in is_sigreturn_64_address()  argument
210 	if (nip == fp + offsetof(struct signal_frame_64, tramp))  in is_sigreturn_64_address()
243 	unsigned long __user *fp, *uregs;  in perf_callchain_user_64()  local
251 		fp = (unsigned long __user *) sp;  in perf_callchain_user_64()
252 		if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))  in perf_callchain_user_64()
254 		if (level > 0 && read_user_stack_64(&fp[2], &next_ip))  in perf_callchain_user_64()
367 static int is_sigreturn_32_address(unsigned int nip, unsigned int fp)  in is_sigreturn_32_address()  argument
369 	if (nip == fp + offsetof(struct signal_frame_32, mctx.mc_pad))  in is_sigreturn_32_address()
377 static int is_rt_sigreturn_32_address(unsigned int nip, unsigned int fp)  in is_rt_sigreturn_32_address()  argument
379 	if (nip == fp + offsetof(struct rt_signal_frame_32,  in is_rt_sigreturn_32_address()
449 	unsigned int __user *fp, *uregs;  in perf_callchain_user_32()  local
457 		fp = (unsigned int __user *) (unsigned long) sp;  in perf_callchain_user_32()
458 		if (!valid_user_sp(sp, 0) || read_user_stack_32(fp, &next_sp))  in perf_callchain_user_32()
460 		if (level > 0 && read_user_stack_32(&fp[1], &next_ip))  in perf_callchain_user_32()