50 lines
895 B
C
50 lines
895 B
C
bool gc_in_progress;
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/* GC is off during heap walking */
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bool heap_scan;
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s64 gc_time;
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/* Given a pointer to oldspace, copy it to newspace. */
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INLINE void* copy_untagged_object(void* pointer, CELL size)
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{
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void* newpointer = allot(size);
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memcpy(newpointer,pointer,size);
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return newpointer;
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}
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CELL copy_object_impl(CELL pointer);
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INLINE CELL copy_object(CELL pointer)
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{
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CELL tag;
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CELL header;
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if(pointer == F)
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return F;
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tag = TAG(pointer);
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if(tag == FIXNUM_TYPE)
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return pointer;
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header = get(UNTAG(pointer));
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if(TAG(header) == GC_COLLECTED)
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return RETAG(UNTAG(header),tag);
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else
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return RETAG(copy_object_impl(pointer),tag);
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}
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#define COPY_OBJECT(lvalue) lvalue = copy_object(lvalue)
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INLINE void copy_handle(CELL* handle)
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{
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COPY_OBJECT(*handle);
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}
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void collect_roots(void);
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void primitive_gc(void);
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void maybe_garbage_collection(void);
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void primitive_gc_time(void);
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