217 	state->cfa.base = CFI_UNDEFINED;  in clear_insn_state()
1165 	struct cfi_reg *cfa;  in read_unwind_hints()  local
1200 		cfa = &insn->state.cfa;  in read_unwind_hints()
1216 			cfa->base = CFI_UNDEFINED;  in read_unwind_hints()
1219 			cfa->base = CFI_SP;  in read_unwind_hints()
1222 			cfa->base = CFI_BP;  in read_unwind_hints()
1225 			cfa->base = CFI_SP_INDIRECT;  in read_unwind_hints()
1228 			cfa->base = CFI_R10;  in read_unwind_hints()
1231 			cfa->base = CFI_R13;  in read_unwind_hints()
1234 			cfa->base = CFI_DI;  in read_unwind_hints()
1237 			cfa->base = CFI_DX;  in read_unwind_hints()
1245 		cfa->offset = hint->sp_offset;  in read_unwind_hints()
1376 	if (state->cfa.base != initial_func_cfi.cfa.base ||  in has_modified_stack_frame()
1377 	    state->cfa.offset != initial_func_cfi.cfa.offset ||  in has_modified_stack_frame()
1378 	    state->stack_size != initial_func_cfi.cfa.offset ||  in has_modified_stack_frame()
1392 	if (state->cfa.base == CFI_BP && state->regs[CFI_BP].base == CFI_CFA &&  in has_valid_stack_frame()
1404 	struct cfi_reg *cfa = &state->cfa;  in update_insn_state_regs()  local
1407 	if (cfa->base != CFI_SP)  in update_insn_state_regs()
1412 		cfa->offset += 8;  in update_insn_state_regs()
1416 		cfa->offset -= 8;  in update_insn_state_regs()
1421 		cfa->offset -= op->src.offset;  in update_insn_state_regs()
1498 	struct cfi_reg *cfa = &state->cfa;  in update_insn_state()  local
1502 	if (cfa->base == CFI_UNDEFINED) {  in update_insn_state()
1520 			    cfa->base == CFI_SP &&  in update_insn_state()
1522 			    regs[CFI_BP].offset == -cfa->offset) {  in update_insn_state()
1525 				cfa->base = op->dest.reg;  in update_insn_state()
1538 			else if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_insn_state()
1555 				 cfa->base == CFI_BP) {  in update_insn_state()
1565 			else if (op->dest.reg == cfa->base) {  in update_insn_state()
1568 				if (cfa->base == CFI_SP &&  in update_insn_state()
1579 					cfa->offset = -state->vals[op->src.reg].offset;  in update_insn_state()
1580 					state->stack_size = cfa->offset;  in update_insn_state()
1583 					cfa->base = CFI_UNDEFINED;  in update_insn_state()
1584 					cfa->offset = 0;  in update_insn_state()
1595 				if (cfa->base == CFI_SP)  in update_insn_state()
1596 					cfa->offset -= op->src.offset;  in update_insn_state()
1607 			if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {  in update_insn_state()
1633 				cfa->base = CFI_SP;  in update_insn_state()
1634 				cfa->offset = state->stack_size = -op->src.offset;  in update_insn_state()
1640 			if (op->dest.reg == state->cfa.base) {  in update_insn_state()
1650 			    (state->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||  in update_insn_state()
1651 			    (state->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {  in update_insn_state()
1659 				cfa->base = state->drap_reg;  in update_insn_state()
1660 				cfa->offset = state->stack_size = 0;  in update_insn_state()
1674 			    op->dest.reg == cfa->base) {  in update_insn_state()
1677 				cfa->base = CFI_SP;  in update_insn_state()
1680 			if (state->drap && cfa->base == CFI_BP_INDIRECT &&  in update_insn_state()
1686 				cfa->base = state->drap_reg;  in update_insn_state()
1687 				cfa->offset = 0;  in update_insn_state()
1697 			if (cfa->base == CFI_SP)  in update_insn_state()
1698 				cfa->offset -= 8;  in update_insn_state()
1707 				cfa->base = state->drap_reg;  in update_insn_state()
1708 				cfa->offset = 0;  in update_insn_state()
1718 			} else if (op->src.reg == cfa->base &&  in update_insn_state()
1719 			    op->src.offset == regs[op->dest.reg].offset + cfa->offset) {  in update_insn_state()
1739 		if (cfa->base == CFI_SP)  in update_insn_state()
1740 			cfa->offset += 8;  in update_insn_state()
1746 			if (op->src.reg == cfa->base && op->src.reg == state->drap_reg) {  in update_insn_state()
1749 				cfa->base = CFI_BP_INDIRECT;  in update_insn_state()
1750 				cfa->offset = -state->stack_size;  in update_insn_state()
1755 			} else if (op->src.reg == CFI_BP && cfa->base == state->drap_reg) {  in update_insn_state()
1774 		    cfa->base != CFI_BP)  in update_insn_state()
1781 			if (op->src.reg == cfa->base && op->src.reg == state->drap_reg) {  in update_insn_state()
1784 				cfa->base = CFI_BP_INDIRECT;  in update_insn_state()
1785 				cfa->offset = op->dest.offset;  in update_insn_state()
1797 		} else if (op->dest.reg == cfa->base) {  in update_insn_state()
1802 				 op->dest.offset - state->cfa.offset);  in update_insn_state()
1808 		if ((!state->drap && cfa->base != CFI_BP) ||  in update_insn_state()
1809 		    (state->drap && cfa->base != state->drap_reg)) {  in update_insn_state()
1821 			cfa->base = CFI_SP;  in update_insn_state()
1822 			cfa->offset -= 8;  in update_insn_state()
1836 		if (cfa->base == CFI_SP)  in update_insn_state()
1837 			cfa->offset -= 8;  in update_insn_state()
1855 	if (memcmp(&state1->cfa, &state2->cfa, sizeof(state1->cfa))) {  in insn_state_match()
1858 			  state1->cfa.base, state1->cfa.offset,  in insn_state_match()
1859 			  state2->cfa.base, state2->cfa.offset);  in insn_state_match()
2212 			if (state.cfa.base == CFI_UNDEFINED)  in validate_branch()
2353 	state.cfa = initial_func_cfi.cfa;  in validate_functions()
2356 	state.stack_size = initial_func_cfi.cfa.offset;  in validate_functions()