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/* ----------------------------------------------------------------------------
*
* (c) The GHC Team, 2013-
*
* Check whether dynamically-loaded object code can be safely
* unloaded, by searching for references to it from the heap and RTS
* data structures.
*
* --------------------------------------------------------------------------*/
#pragma once
#include "LinkerInternals.h"
#include "BeginPrivate.h"
// Currently live objects
extern ObjectCode *objects;
// Root set for object collection
extern ObjectCode *loaded_objects;
// Mark bit for live objects
extern uint8_t object_code_mark_bit;
// Number of object code currently marked for unloading. See the definition in
// CheckUnload.c for details.
extern int n_unloaded_objects;
void initUnloadCheck(void);
void exitUnloadCheck(void);
// Call before major GC to prepare section index table for marking
bool prepareUnloadCheck(void);
// Mark object code of a static closure address as 'live'
void markObjectCode(const void *addr);
// Call after major GC to unload unused and unmarked object code
void checkUnload(void);
// Call on loaded object code
void insertOCSectionIndices(ObjectCode *oc);
#include "EndPrivate.h"
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