3.12. pragma Export_Procedure ...

Syntax
pragma Export_Procedure (
     [Internal        =>] LOCAL_NAME
  [, [External        =>] EXTERNAL_SYMBOL]
  [, [Parameter_Types =>] Parameter_TYPES]
  [, [Mechanism       =>] MECHANISM]);
EXTERNAL_SYMBOL ::=
  IDENTIFIER
| static_string_EXPRESSION
Parameter_TYPES ::=
  null
| SUBTYPE_MARK {, SUBTYPE_MARK}
MECHANISM ::=
  MECHANISM_NAME
| (MECHANISM_ASSOCIATION {, MECHANISM_ASSOCIATION})
MECHANISM_ASSOCIATION ::=
  [formal_parameter_NAME =>] MECHANISM_NAME
MECHANISM_NAME ::=
  Value
| Reference

This pragma is identical to Export_Function except that it applies to a procedure rather than a function and the parameters Result_Type and Result_Mechanism are not permitted.