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Separate tagging from collector

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The collector now has an abstract interface onto the embedder.  The
embedder has to supply some functionality, such as tracing and
forwarding.  This is a pretty big change in terms of lines but it's
supposed to have no functional or performance change.
This commit is contained in:
Andy Wingo 2022-08-12 16:44:38 +02:00
parent cacc28b577
commit fb71c4c363
20 changed files with 452 additions and 306 deletions
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28
gc-embedder-api.h Normal file
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#ifndef GC_EMBEDDER_API_H
#define GC_EMBEDDER_API_H
#include "gc-edge.h"
#include "gc-forwarding.h"
#ifndef GC_EMBEDDER_API
#define GC_EMBEDDER_API static
#endif
GC_EMBEDDER_API inline void gc_trace_object(void *object,
void (*trace_edge)(struct gc_edge edge,
void *trace_data),
void *trace_data,
size_t *size) GC_ALWAYS_INLINE;
GC_EMBEDDER_API inline uintptr_t gc_object_forwarded_nonatomic(void *object);
GC_EMBEDDER_API inline void gc_object_forward_nonatomic(void *object, uintptr_t new_addr);
GC_EMBEDDER_API inline struct gc_atomic_forward gc_atomic_forward_begin(void *obj);
GC_EMBEDDER_API inline void gc_atomic_forward_acquire(struct gc_atomic_forward *);
GC_EMBEDDER_API inline int gc_atomic_forward_retry_busy(struct gc_atomic_forward *);
GC_EMBEDDER_API inline void gc_atomic_forward_abort(struct gc_atomic_forward *);
GC_EMBEDDER_API inline void gc_atomic_forward_commit(struct gc_atomic_forward *,
uintptr_t new_addr);
GC_EMBEDDER_API inline uintptr_t gc_atomic_forward_address(struct gc_atomic_forward *);
#endif // GC_EMBEDDER_API_H