880 int arc_unwind(struct unwind_frame_info *frame)  in arc_unwind()  argument
882 #define FRAME_REG(r, t) (((t *)frame)[reg_info[r].offs])  in arc_unwind()
885 	unsigned long pc = UNW_PC(frame) - frame->call_frame;  in arc_unwind()
897 		  UNW_PC(frame), UNW_BLINK(frame), UNW_SP(frame),  in arc_unwind()
898 		  UNW_FP(frame));  in arc_unwind()
900 	if (UNW_PC(frame) == 0)  in arc_unwind()
905 		unsigned long *sptr = (unsigned long *)UNW_SP(frame);  in arc_unwind()
1033 		frame->call_frame = 1;  in arc_unwind()
1048 						frame->call_frame = 0;  in arc_unwind()
1107 		top = STACK_TOP_UNW(frame->task);  in arc_unwind()
1108 		bottom = STACK_BOTTOM_UNW(frame->task);  in arc_unwind()
1110 		if (UNW_SP(frame) < top && UNW_FP(frame) <= UNW_SP(frame)  in arc_unwind()
1111 		    && bottom < UNW_FP(frame)  in arc_unwind()
1113 		if (UNW_SP(frame) > top && UNW_FP(frame) >= UNW_SP(frame)  in arc_unwind()
1114 		    && bottom > UNW_FP(frame)  in arc_unwind()
1116 		    && !((UNW_SP(frame) | UNW_FP(frame))  in arc_unwind()
1121 					(UNW_FP(frame) + FRAME_LINK_OFFSET))  in arc_unwind()
1123 			    && link > bottom && link < UNW_FP(frame)  in arc_unwind()
1125 			    && link > UNW_FP(frame) && link < bottom  in arc_unwind()
1128 			    && !__get_user(UNW_PC(frame),  in arc_unwind()
1129 					   (unsigned long *)(UNW_FP(frame)  in arc_unwind()
1132 				UNW_SP(frame) =  in arc_unwind()
1133 				    UNW_FP(frame) + FRAME_RETADDR_OFFSET  in arc_unwind()
1139 				    sizeof(UNW_PC(frame));  in arc_unwind()
1140 				UNW_FP(frame) = link;  in arc_unwind()
1194 	if (frame->call_frame  in arc_unwind()
1196 		frame->call_frame = 0;  in arc_unwind()
1199 	startLoc = min_t(unsigned long, UNW_SP(frame), cfa);  in arc_unwind()
1200 	endLoc = max_t(unsigned long, UNW_SP(frame), cfa);  in arc_unwind()
1251 	fptr = (unsigned long *)(&frame->regs);  in arc_unwind()
1258 			if (reg_info[i].width != sizeof(UNW_SP(frame))  in arc_unwind()
1259 			    || &FRAME_REG(i, __typeof__(UNW_SP(frame)))  in arc_unwind()
1260 			    != &UNW_SP(frame))  in arc_unwind()
1262 			UNW_SP(frame) = cfa;  in arc_unwind()