[#llvm-DWARFCFIState]
= xref:llvm.adoc[llvm]::DWARFCFIState
:relfileprefix: ../
:mrdocs:

Maintains a CFI unwinding row during Call Frame Information analysis.

== Synopsis

Declared in `<llvm/DWARFCFIChecker/DWARFCFIState.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class DWARFCFIState;
----

== Description

The only way to modify the state is by updating it with a CFI directive.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/DWARFCFIState/2constructor.adoc[`DWARFCFIState`]         [.small]#[constructor]#
| Construct a CFI state that reports issues through `Context.`
| xref:llvm/DWARFCFIState/getCurrentUnwindRow.adoc[`getCurrentUnwindRow`] 
| Get the current unwinding row.
| xref:llvm/DWARFCFIState/update.adoc[`update`] 
| Apply `Directive` to the current CFI unwinding row.
|===



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