266 	cfi->cfa.base = CFI_UNDEFINED;  in init_cfi_state()
2011 	state->cfa = initial_func_cfi.cfa;  in set_func_state()
2014 	state->stack_size = initial_func_cfi.cfa.offset;  in set_func_state()
2097 		if (arch_decode_hint_reg(hint->sp_reg, &cfi.cfa.base)) {  in read_unwind_hints()
2103 		cfi.cfa.offset = bswap_if_needed(hint->sp_offset);  in read_unwind_hints()
2454 	if (cfi->cfa.base != initial_func_cfi.cfa.base || cfi->drap)  in has_modified_stack_frame()
2457 	if (cfi->cfa.offset != initial_func_cfi.cfa.offset)  in has_modified_stack_frame()
2460 	if (cfi->stack_size != initial_func_cfi.cfa.offset)  in has_modified_stack_frame()
2483 	if (cfi->cfa.base == CFI_BP &&  in has_valid_stack_frame()
2484 	    check_reg_frame_pos(&cfi->regs[CFI_BP], -cfi->cfa.offset) &&  in has_valid_stack_frame()
2485 	    check_reg_frame_pos(&cfi->regs[CFI_RA], -cfi->cfa.offset + 8))  in has_valid_stack_frame()
2498 	struct cfi_reg *cfa = &cfi->cfa;  in update_cfi_state_regs()  local
2500 	if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT)  in update_cfi_state_regs()
2505 		cfa->offset += 8;  in update_cfi_state_regs()
2509 		cfa->offset -= 8;  in update_cfi_state_regs()
2514 		cfa->offset -= op->src.offset;  in update_cfi_state_regs()
2591 	struct cfi_reg *cfa = &cfi->cfa;  in update_cfi_state()  local
2595 	if (cfa->base == CFI_UNDEFINED) {  in update_cfi_state()
2614 			    cfa->base == CFI_SP &&  in update_cfi_state()
2615 			    check_reg_frame_pos(&regs[CFI_BP], -cfa->offset)) {  in update_cfi_state()
2618 				cfa->base = op->dest.reg;  in update_cfi_state()
2631 			else if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2648 				 (cfa->base == CFI_BP || cfa->base == cfi->drap_reg)) {  in update_cfi_state()
2658 			else if (op->dest.reg == cfa->base) {  in update_cfi_state()
2661 				if (cfa->base == CFI_SP &&  in update_cfi_state()
2672 					cfa->offset = -cfi->vals[op->src.reg].offset;  in update_cfi_state()
2673 					cfi->stack_size = cfa->offset;  in update_cfi_state()
2675 				} else if (cfa->base == CFI_SP &&  in update_cfi_state()
2677 					   cfi->vals[op->src.reg].offset == cfa->offset) {  in update_cfi_state()
2705 					cfa->base = CFI_SP_INDIRECT;  in update_cfi_state()
2708 					cfa->base = CFI_UNDEFINED;  in update_cfi_state()
2709 					cfa->offset = 0;  in update_cfi_state()
2715 				 cfi->vals[op->src.reg].offset == cfa->offset) {  in update_cfi_state()
2734 				if (cfa->base == CFI_SP)  in update_cfi_state()
2735 					cfa->offset -= op->src.offset;  in update_cfi_state()
2747 			    op->dest.reg == CFI_BP && cfa->base == CFI_SP &&  in update_cfi_state()
2748 			    check_reg_frame_pos(&regs[CFI_BP], -cfa->offset + op->src.offset)) {  in update_cfi_state()
2751 				cfa->base = CFI_BP;  in update_cfi_state()
2752 				cfa->offset -= op->src.offset;  in update_cfi_state()
2757 			if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2783 				cfa->base = CFI_SP;  in update_cfi_state()
2784 				cfa->offset = cfi->stack_size = -op->src.offset;  in update_cfi_state()
2790 			if (op->dest.reg == cfi->cfa.base && !(next_insn && next_insn->hint)) {  in update_cfi_state()
2800 			    (cfi->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||  in update_cfi_state()
2801 			    (cfi->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {  in update_cfi_state()
2809 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2810 				cfa->offset = cfi->stack_size = 0;  in update_cfi_state()
2823 			if (op->dest.reg == CFI_SP && cfa->base == CFI_SP_INDIRECT) {  in update_cfi_state()
2826 				cfa->base = CFI_SP;  in update_cfi_state()
2830 			if (!cfi->drap && op->dest.reg == cfa->base) {  in update_cfi_state()
2833 				cfa->base = CFI_SP;  in update_cfi_state()
2836 			if (cfi->drap && cfa->base == CFI_BP_INDIRECT &&  in update_cfi_state()
2841 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2842 				cfa->offset = 0;  in update_cfi_state()
2852 			if (cfa->base == CFI_SP)  in update_cfi_state()
2853 				cfa->offset -= 8;  in update_cfi_state()
2858 			if (!cfi->drap && op->dest.reg == cfa->base &&  in update_cfi_state()
2862 				cfa->base = CFI_SP;  in update_cfi_state()
2863 				cfa->offset = cfi->stack_size;  in update_cfi_state()
2870 				cfa->base = cfi->drap_reg;  in update_cfi_state()
2871 				cfa->offset = 0;  in update_cfi_state()
2881 			} else if (op->src.reg == cfa->base &&  in update_cfi_state()
2882 			    op->src.offset == regs[op->dest.reg].offset + cfa->offset) {  in update_cfi_state()
2908 		if (cfa->base == CFI_SP)  in update_cfi_state()
2909 			cfa->offset += 8;  in update_cfi_state()
2915 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
2918 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
2919 				cfa->offset = -cfi->stack_size;  in update_cfi_state()
2924 			} else if (op->src.reg == CFI_BP && cfa->base == cfi->drap_reg) {  in update_cfi_state()
2943 		    cfa->base != CFI_BP)  in update_cfi_state()
2950 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
2953 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
2954 				cfa->offset = op->dest.offset;  in update_cfi_state()
2964 		} else if (op->dest.reg == cfa->base) {  in update_cfi_state()
2969 				 op->dest.offset - cfi->cfa.offset);  in update_cfi_state()
2981 			cfi->vals[op->dest.reg].offset = cfa->offset;  in update_cfi_state()
2995 		if (cfa->base == CFI_SP)  in update_cfi_state()
2996 			cfa->offset -= 8;  in update_cfi_state()
3096 	if (memcmp(&cfi1->cfa, &cfi2->cfa, sizeof(cfi1->cfa))) {  in insn_cfi_match()
3100 			  cfi1->cfa.base, cfi1->cfa.offset,  in insn_cfi_match()
3101 			  cfi2->cfa.base, cfi2->cfa.offset);  in insn_cfi_match()
3552 			if (state.cfi.cfa.base == CFI_UNDEFINED)  in validate_branch()