254 		cfi->regs[i].base = CFI_UNDEFINED;  in init_cfi_state()
255 		cfi->vals[i].base = CFI_UNDEFINED;  in init_cfi_state()
257 	cfi->cfa.base = CFI_UNDEFINED;  in init_cfi_state()
1904 		if (arch_decode_hint_reg(hint->sp_reg, &cfi.cfa.base)) {  in read_unwind_hints()
2207 	if (cfi->cfa.base != initial_func_cfi.cfa.base || cfi->drap)  in has_modified_stack_frame()
2217 		if (cfi->regs[i].base != initial_func_cfi.regs[i].base ||  in has_modified_stack_frame()
2229 	if (cfi->cfa.base == CFI_BP && cfi->regs[CFI_BP].base == CFI_CFA &&  in has_valid_stack_frame()
2233 	if (cfi->drap && cfi->regs[CFI_BP].base == CFI_BP)  in has_valid_stack_frame()
2245 	if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT)  in update_cfi_state_regs()
2264 static void save_reg(struct cfi_state *cfi, unsigned char reg, int base, int offset)  in save_reg()  argument
2267 	    cfi->regs[reg].base == CFI_UNDEFINED) {  in save_reg()
2268 		cfi->regs[reg].base = base;  in save_reg()
2275 	cfi->regs[reg].base = initial_func_cfi.regs[reg].base;  in restore_reg()
2339 	if (cfa->base == CFI_UNDEFINED) {  in update_cfi_state()
2358 			    cfa->base == CFI_SP &&  in update_cfi_state()
2359 			    regs[CFI_BP].base == CFI_CFA &&  in update_cfi_state()
2363 				cfa->base = op->dest.reg;  in update_cfi_state()
2371 				regs[CFI_BP].base = CFI_BP;  in update_cfi_state()
2376 			else if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2388 				cfi->vals[op->dest.reg].base = CFI_CFA;  in update_cfi_state()
2393 				 cfa->base == CFI_BP) {  in update_cfi_state()
2403 			else if (op->dest.reg == cfa->base) {  in update_cfi_state()
2406 				if (cfa->base == CFI_SP &&  in update_cfi_state()
2407 				    cfi->vals[op->src.reg].base == CFI_CFA) {  in update_cfi_state()
2421 					cfa->base = CFI_UNDEFINED;  in update_cfi_state()
2433 				if (cfa->base == CFI_SP)  in update_cfi_state()
2445 			if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2460 				cfi->vals[op->dest.reg].base = CFI_CFA;  in update_cfi_state()
2471 				cfa->base = CFI_SP;  in update_cfi_state()
2478 			if (op->dest.reg == cfi->cfa.base) {  in update_cfi_state()
2488 			    (cfi->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||  in update_cfi_state()
2489 			    (cfi->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {  in update_cfi_state()
2497 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2511 			if (!cfi->drap && op->dest.reg == cfa->base) {  in update_cfi_state()
2514 				cfa->base = CFI_SP;  in update_cfi_state()
2517 			if (cfi->drap && cfa->base == CFI_BP_INDIRECT &&  in update_cfi_state()
2522 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2533 			if (cfa->base == CFI_SP)  in update_cfi_state()
2543 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2554 			} else if (op->src.reg == cfa->base &&  in update_cfi_state()
2575 		if (cfa->base == CFI_SP)  in update_cfi_state()
2582 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
2585 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
2591 			} else if (op->src.reg == CFI_BP && cfa->base == cfi->drap_reg) {  in update_cfi_state()
2610 		    cfa->base != CFI_BP)  in update_cfi_state()
2617 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
2620 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
2631 		} else if (op->dest.reg == cfa->base) {  in update_cfi_state()
2642 		if ((!cfi->drap && cfa->base != CFI_BP) ||  in update_cfi_state()
2643 		    (cfi->drap && cfa->base != cfi->drap_reg)) {  in update_cfi_state()
2655 			cfa->base = CFI_SP;  in update_cfi_state()
2670 		if (cfa->base == CFI_SP)  in update_cfi_state()
2770 			  cfi1->cfa.base, cfi1->cfa.offset,  in insn_cfi_match()
2771 			  cfi2->cfa.base, cfi2->cfa.offset);  in insn_cfi_match()
2781 				  i, cfi1->regs[i].base, cfi1->regs[i].offset,  in insn_cfi_match()
2782 				  i, cfi2->regs[i].base, cfi2->regs[i].offset);  in insn_cfi_match()
3182 			if (state.cfi.cfa.base == CFI_UNDEFINED)  in validate_branch()