blob: 4eb48183bc5a077f40c2db4b3d0e89d8a74f460e [file] [log] [blame]
/*===-- GCInterface.h - Public interface exposed by garbage collectors ----===*\
|*
|* The LLVM Compiler Infrastructure
|*
|* This file was developed by the LLVM research group and is distributed under
|* the University of Illinois Open Source License. See LICENSE.TXT for details.
|*
|*===----------------------------------------------------------------------===*|
|*
|* This file defines the common public interface that must be exposed by all
|* LLVM garbage collectors.
|*
\*===----------------------------------------------------------------------===*/
#ifndef GCINTERFACE_H
#define GCINTERFACE_H
/* llvm_cg_walk_gcroots - This function is exposed by the LLVM code generator,
* and allows us to traverse the roots on the stack.
*/
void llvm_cg_walk_gcroots(void (*FP)(void **Root, void *Meta));
/* llvm_gc_initialize - This function is called to initalize the garbage
* collector.
*/
void llvm_gc_initialize(unsigned InitialHeapSize);
/* llvm_gc_allocate - This function allocates Size bytes from the heap and
* returns a pointer to it.
*/
void *llvm_gc_allocate(unsigned Size);
/* llvm_gc_collect - This function forces a garbage collection cycle.
*/
void llvm_gc_collect();
/* llvm_gc_read - This function should be implemented to include any read
* barrier code that is needed by the garbage collector.
*/
void *llvm_gc_read(void *ObjPtr, void **FieldPtr);
/* llvm_gc_write - This function should be implemented to include any write
* barrier code that is needed by the garbage collector.
*/
void llvm_gc_write(void *V, void *ObjPtr, void **FieldPtr);
#endif