gc2.h

来自「基于LWVCL开发的库」· C头文件 代码 · 共 42 行

/*
 * gc2.h
 * This interfaces the VM to the Hans-J. Boehm Incremental Garbage
 * Collector (version 6.0 alpha 7).
 * Copyright (c) 2004
 *      The Kaffe.org's developers. All rights reserved. 
 *      See ChangeLog for details.
 *
 * See the file "license.terms" for information on usage and redistribution 
 * of this file. 
 */

#ifndef _KAFFE_BOEHM_GC_H
#define _KAFFE_BOEHM_GC_H

#include "defs.h"

#include <gc/gc.h>
#include <gc/gc_mark.h>

typedef struct _gcMark {
  struct GC_ms_entry *mark_current;
  struct GC_ms_entry *mark_limit;
  void * original_object;
} gcMark;

typedef struct {
  uint32 magic;
  gc_alloc_type_t memtype;
  uint8 needFinal;
  size_t memsize;
} MemDescriptor;

#define SIZEOF_DESC (((sizeof(MemDescriptor) + ALIGNMENTOF_VOIDP - 1) / ALIGNMENTOF_VOIDP) * ALIGNMENTOF_VOIDP)

#define SYSTEM_SIZE(s) ((s) + SIZEOF_DESC)
#define USER_SIZE(s) ((s) - SIZEOF_DESC)
#define ALIGN_FORWARD(p) ((void *)((uintp)(p) + SIZEOF_DESC))
#define ALIGN_BACKWARD(p) ((void *)((uintp)(p) - SIZEOF_DESC))

#endif