[#CTXPROF_FUNCTION_DATA]
= CTXPROF_FUNCTION_DATA
:mrdocs:

Declares the fields of FunctionData shared with LLVM.

== Synopsis

Declared in `<llvm/ProfileData/CtxInstrContextNode.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define CTXPROF_FUNCTION_DATA(PTRDECL, CONTEXT_PTR, VOLATILE_PTRDECL, MUTEXDECL)

----

== Description

The internal structure of FunctionData. This makes sure that changes to the fields of FunctionData either get automatically captured on the llvm side, or force a manual corresponding update. See CtxInstrProfiling.h for example expansions.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *PTRDECL*
| Macro taking a type and field name for a pointer field.
| *CONTEXT_PTR*
| Expansion that declares the context‐pointer field.
| *VOLATILE_PTRDECL*
| Macro taking a type and field name for a volatile pointer field.
| *MUTEXDECL*
| Macro taking the name of a mutex field.
|===


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