272 	cfi->cfa.base = CFI_UNDEFINED;  in init_cfi_state()
2197 	state->cfa = initial_func_cfi.cfa;  in set_func_state()
2200 	state->stack_size = initial_func_cfi.cfa.offset;  in set_func_state()
2280 		if (arch_decode_hint_reg(hint->sp_reg, &cfi.cfa.base)) {  in read_unwind_hints()
2285 		cfi.cfa.offset = bswap_if_needed(file->elf, hint->sp_offset);  in read_unwind_hints()
2673 	if (cfi->cfa.base != initial_func_cfi.cfa.base || cfi->drap)  in has_modified_stack_frame()
2676 	if (cfi->cfa.offset != initial_func_cfi.cfa.offset)  in has_modified_stack_frame()
2679 	if (cfi->stack_size != initial_func_cfi.cfa.offset)  in has_modified_stack_frame()
2702 	if (cfi->cfa.base == CFI_BP &&  in has_valid_stack_frame()
2703 	    check_reg_frame_pos(&cfi->regs[CFI_BP], -cfi->cfa.offset) &&  in has_valid_stack_frame()
2704 	    check_reg_frame_pos(&cfi->regs[CFI_RA], -cfi->cfa.offset + 8))  in has_valid_stack_frame()
2717 	struct cfi_reg *cfa = &cfi->cfa;  in update_cfi_state_regs()  local
2719 	if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT)  in update_cfi_state_regs()
2724 		cfa->offset += 8;  in update_cfi_state_regs()
2728 		cfa->offset -= 8;  in update_cfi_state_regs()
2733 		cfa->offset -= op->src.offset;  in update_cfi_state_regs()
2810 	struct cfi_reg *cfa = &cfi->cfa;  in update_cfi_state()  local
2818 	if (cfa->base == CFI_UNDEFINED) {  in update_cfi_state()
2837 			    cfa->base == CFI_SP &&  in update_cfi_state()
2838 			    check_reg_frame_pos(&regs[CFI_BP], -cfa->offset)) {  in update_cfi_state()
2841 				cfa->base = op->dest.reg;  in update_cfi_state()
2854 			else if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2871 				 (cfa->base == CFI_BP || cfa->base == cfi->drap_reg)) {  in update_cfi_state()
2881 			else if (op->dest.reg == cfa->base) {  in update_cfi_state()
2884 				if (cfa->base == CFI_SP &&  in update_cfi_state()
2895 					cfa->offset = -cfi->vals[op->src.reg].offset;  in update_cfi_state()
2896 					cfi->stack_size = cfa->offset;  in update_cfi_state()
2898 				} else if (cfa->base == CFI_SP &&  in update_cfi_state()
2900 					   cfi->vals[op->src.reg].offset == cfa->offset) {  in update_cfi_state()
2928 					cfa->base = CFI_SP_INDIRECT;  in update_cfi_state()
2931 					cfa->base = CFI_UNDEFINED;  in update_cfi_state()
2932 					cfa->offset = 0;  in update_cfi_state()
2938 				 cfi->vals[op->src.reg].offset == cfa->offset) {  in update_cfi_state()
2957 				if (cfa->base == CFI_SP)  in update_cfi_state()
2958 					cfa->offset -= op->src.offset;  in update_cfi_state()
2969 			if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_cfi_state()
2995 				cfa->base = CFI_SP;  in update_cfi_state()
2996 				cfa->offset = cfi->stack_size = -op->src.offset;  in update_cfi_state()
3002 			if (op->dest.reg == cfi->cfa.base && !(next_insn && next_insn->hint)) {  in update_cfi_state()
3011 			    (cfi->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||  in update_cfi_state()
3012 			    (cfi->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {  in update_cfi_state()
3019 				cfa->base = cfi->drap_reg;  in update_cfi_state()
3020 				cfa->offset = cfi->stack_size = 0;  in update_cfi_state()
3033 			if (op->dest.reg == CFI_SP && cfa->base == CFI_SP_INDIRECT) {  in update_cfi_state()
3036 				cfa->base = CFI_SP;  in update_cfi_state()
3040 			if (!cfi->drap && op->dest.reg == cfa->base) {  in update_cfi_state()
3043 				cfa->base = CFI_SP;  in update_cfi_state()
3046 			if (cfi->drap && cfa->base == CFI_BP_INDIRECT &&  in update_cfi_state()
3051 				cfa->base = cfi->drap_reg;  in update_cfi_state()
3052 				cfa->offset = 0;  in update_cfi_state()
3062 			if (cfa->base == CFI_SP)  in update_cfi_state()
3063 				cfa->offset -= 8;  in update_cfi_state()
3068 			if (!cfi->drap && op->dest.reg == cfa->base &&  in update_cfi_state()
3072 				cfa->base = CFI_SP;  in update_cfi_state()
3073 				cfa->offset = cfi->stack_size;  in update_cfi_state()
3080 				cfa->base = cfi->drap_reg;  in update_cfi_state()
3081 				cfa->offset = 0;  in update_cfi_state()
3091 			} else if (op->src.reg == cfa->base &&  in update_cfi_state()
3092 			    op->src.offset == regs[op->dest.reg].offset + cfa->offset) {  in update_cfi_state()
3117 		if (cfa->base == CFI_SP)  in update_cfi_state()
3118 			cfa->offset += 8;  in update_cfi_state()
3124 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
3127 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
3128 				cfa->offset = -cfi->stack_size;  in update_cfi_state()
3133 			} else if (op->src.reg == CFI_BP && cfa->base == cfi->drap_reg) {  in update_cfi_state()
3152 		    cfa->base != CFI_BP)  in update_cfi_state()
3159 			if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {  in update_cfi_state()
3162 				cfa->base = CFI_BP_INDIRECT;  in update_cfi_state()
3163 				cfa->offset = op->dest.offset;  in update_cfi_state()
3173 		} else if (op->dest.reg == cfa->base) {  in update_cfi_state()
3178 				 op->dest.offset - cfi->cfa.offset);  in update_cfi_state()
3190 			cfi->vals[op->dest.reg].offset = cfa->offset;  in update_cfi_state()
3203 		if (cfa->base == CFI_SP)  in update_cfi_state()
3204 			cfa->offset -= 8;  in update_cfi_state()
3305 	if (memcmp(&cfi1->cfa, &cfi2->cfa, sizeof(cfi1->cfa))) {  in insn_cfi_match()
3308 			  cfi1->cfa.base, cfi1->cfa.offset,  in insn_cfi_match()
3309 			  cfi2->cfa.base, cfi2->cfa.offset);  in insn_cfi_match()
3765 			if (state.cfi.cfa.base == CFI_UNDEFINED)  in validate_branch()