__attribute__((force_export))

Prevents a function or static variable from being dead-stripped.

  function-declaration  __attribute__((force_export));
  

  function-definition  __attribute__((force_export));
  

  variable-declaration  __attribute__((force_export));
  

  variable-definition  __attribute__((force_export));
  

This attribute specifies that the linker must not dead-strip a function or static variable even if the linker determines that the rest of the program does not refer to the object.