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

Maps an ELF EI_DATA value to an IFSEndiannessType.

== Synopsis

Declared in `<llvm/InterfaceStub/IFSStub.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/ifs/IFSEndiannessType.adoc[IFSEndiannessType]
convertELFEndiannessToIFS(uint8_t Endianness);
----

== Description

This function extracts ELF endianness from e_ident[EI_DATA]of an ELF file. Currently, ELFDATA2LSB and ELFDATA2MSB are supported. Other endianness types are mapped to IFSEndiannessType::Unknown.

== Return Value

The corresponding IFSEndiannessType, or IFSEndiannessType::Unknown.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Endianness*
| e_ident[EI_DATA]value to extract endianness type from.
|===


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