Pragma Export_Object - GNAT Reference Manual

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2.55 Pragma Export_Object

Syntax:

    pragma Export_Object
          [Internal =>] LOCAL_NAME
       [, [External =>] EXTERNAL_SYMBOL]
       [, [Size     =>] EXTERNAL_SYMBOL]
    
    EXTERNAL_SYMBOL ::=
      IDENTIFIER
    | static_string_EXPRESSION

This pragma designates an object as exported, and apart from the extended rules for external symbols, is identical in effect to the use of the normal Export pragma applied to an object. You may use a separate Export pragma (and you probably should from the point of view of portability), but it is not required. Size is syntax checked, but otherwise ignored by GNAT.