382 int unwind_frame(struct stackframe *frame)  in unwind_frame()  argument
389 	sp_low = frame->sp;  in unwind_frame()
394 		 frame->pc, frame->lr, frame->sp);  in unwind_frame()
396 	idx = unwind_find_idx(frame->pc);  in unwind_frame()
398 		if (frame->pc && kernel_text_address(frame->pc))  in unwind_frame()
399 			pr_warn("unwind: Index not found %08lx\n", frame->pc);  in unwind_frame()
403 	ctrl.vrs[FP] = frame->fp;  in unwind_frame()
404 	ctrl.vrs[SP] = frame->sp;  in unwind_frame()
405 	ctrl.vrs[LR] = frame->lr;  in unwind_frame()
411 	else if (frame->pc == prel31_to_addr(&idx->addr_offset)) {  in unwind_frame()
420 		if (frame->pc == frame->lr)  in unwind_frame()
422 		frame->pc = frame->lr;  in unwind_frame()
457 		sp_low = frame->fp;  in unwind_frame()
458 		ctrl.sp_high = ALIGN(frame->fp, THREAD_SIZE);  in unwind_frame()
476 	if (frame->pc == ctrl.vrs[PC] && frame->sp == ctrl.vrs[SP])  in unwind_frame()
479 	frame->fp = ctrl.vrs[FP];  in unwind_frame()
480 	frame->sp = ctrl.vrs[SP];  in unwind_frame()
481 	frame->lr = ctrl.vrs[LR];  in unwind_frame()
482 	frame->pc = ctrl.vrs[PC];  in unwind_frame()
483 	frame->lr_addr = ctrl.lr_addr;  in unwind_frame()
491 	struct stackframe frame;  in unwind_backtrace()  local
499 		arm_get_current_stackframe(regs, &frame);  in unwind_backtrace()
502 			frame.pc = regs->ARM_lr;  in unwind_backtrace()
504 		frame.fp = (unsigned long)__builtin_frame_address(0);  in unwind_backtrace()
505 		frame.sp = current_stack_pointer;  in unwind_backtrace()
506 		frame.lr = (unsigned long)__builtin_return_address(0);  in unwind_backtrace()
512 		frame.pc = (unsigned long)&&here;  in unwind_backtrace()
515 		frame.fp = thread_saved_fp(tsk);  in unwind_backtrace()
516 		frame.sp = thread_saved_sp(tsk);  in unwind_backtrace()
521 		frame.lr = 0;  in unwind_backtrace()
522 		frame.pc = thread_saved_pc(tsk);  in unwind_backtrace()
527 		unsigned long where = frame.pc;  in unwind_backtrace()
529 		urc = unwind_frame(&frame);  in unwind_backtrace()
532 		dump_backtrace_entry(where, frame.pc, frame.sp - 4, loglvl);  in unwind_backtrace()