388 int unwind_frame(struct stackframe *frame)  in unwind_frame()  argument
395 	low = frame->sp;  in unwind_frame()
399 		 frame->pc, frame->lr, frame->sp);  in unwind_frame()
401 	if (!kernel_text_address(frame->pc))  in unwind_frame()
404 	idx = unwind_find_idx(frame->pc);  in unwind_frame()
406 		pr_warn("unwind: Index not found %08lx\n", frame->pc);  in unwind_frame()
410 	ctrl.vrs[FP] = frame->fp;  in unwind_frame()
411 	ctrl.vrs[SP] = frame->sp;  in unwind_frame()
412 	ctrl.vrs[LR] = frame->lr;  in unwind_frame()
460 	if (frame->pc == ctrl.vrs[PC])  in unwind_frame()
463 	frame->fp = ctrl.vrs[FP];  in unwind_frame()
464 	frame->sp = ctrl.vrs[SP];  in unwind_frame()
465 	frame->lr = ctrl.vrs[LR];  in unwind_frame()
466 	frame->pc = ctrl.vrs[PC];  in unwind_frame()
473 	struct stackframe frame;  in unwind_backtrace()  local
481 		arm_get_current_stackframe(regs, &frame);  in unwind_backtrace()
484 			frame.pc = regs->ARM_lr;  in unwind_backtrace()
486 		frame.fp = (unsigned long)__builtin_frame_address(0);  in unwind_backtrace()
487 		frame.sp = current_stack_pointer;  in unwind_backtrace()
488 		frame.lr = (unsigned long)__builtin_return_address(0);  in unwind_backtrace()
489 		frame.pc = (unsigned long)unwind_backtrace;  in unwind_backtrace()
492 		frame.fp = thread_saved_fp(tsk);  in unwind_backtrace()
493 		frame.sp = thread_saved_sp(tsk);  in unwind_backtrace()
498 		frame.lr = 0;  in unwind_backtrace()
499 		frame.pc = thread_saved_pc(tsk);  in unwind_backtrace()
504 		unsigned long where = frame.pc;  in unwind_backtrace()
506 		urc = unwind_frame(&frame);  in unwind_backtrace()
509 		dump_backtrace_entry(where, frame.pc, frame.sp - 4);  in unwind_backtrace()