9 	unsigned long fp;  member
15 	if (kstack_end((void *)frame->fp))  in unwind_frame_kernel()
17 	if (frame->fp & 0x3 || frame->fp < TASK_SIZE)  in unwind_frame_kernel()
20 	*frame = *(struct stackframe *)frame->fp;  in unwind_frame_kernel()
43 			unsigned long fp, unsigned long reg_lr)  in user_backtrace()  argument
47 	unsigned long *user_frame_tail = (unsigned long *)fp;  in user_backtrace()
61 	fp = buftail.fp;  in user_backtrace()
64 	return fp;  in user_backtrace()
84 	unsigned long fp = 0;  in perf_callchain_user()  local
90 	fp = regs->regs[4];  in perf_callchain_user()
99 	fp = user_backtrace(entry, fp, regs->lr);  in perf_callchain_user()
101 	while (fp && !(fp & 0x3) && entry->nr < entry->max_stack)  in perf_callchain_user()
102 		fp = user_backtrace(entry, fp, 0);  in perf_callchain_user()
116 	fr.fp = regs->regs[4];  in perf_callchain_kernel()