8.12.5.1.2 ELF Symbol Visibility

GLOBAL/WEAK symbols can have any of the following visibility attributes:

• STV_DEFAULT
  • Symbol definition is visible outside the defining component.
  • Symbol definition can be preempted.
  • Symbol references can be resolved by definition outside the referenced component.
• STV_PROTECTED
  • Symbol definition is visible outside the defining component.
  • Symbol definition cannot be preempted.
  • Symbol reference must be resolved by a definition in the same component.
• STV_HIDDEN
  • Symbol definition is not visible outside its own component.
  • Symbol reference must be resolved by a definition in the same component.