62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Damien Doligez, projet Para, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#ifndef _major_gc_
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#define _major_gc_
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#include "freelist.h"
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#include "misc.h"
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typedef struct {
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asize_t size;
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char *next;
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} heap_chunk_head;
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extern int gc_phase;
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extern unsigned long allocated_words;
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extern unsigned long extra_heap_memory;
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#define Phase_mark 0
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#define Phase_sweep 1
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#ifdef __alpha
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typedef int page_table_entry;
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#else
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typedef char page_table_entry;
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#endif
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extern char *heap_start;
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extern char *heap_end;
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extern unsigned long total_heap_size;
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extern page_table_entry *page_table;
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extern asize_t page_table_size;
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extern char *gc_sweep_hp;
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#define In_heap 1
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#define Not_in_heap 0
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#define Page(p) (((addr) (p) - (addr) heap_start) >> Page_log)
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#define Is_in_heap(p) \
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((addr)(p) >= (addr)heap_start && (addr)(p) < (addr)heap_end \
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&& page_table [Page (p)])
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void init_major_heap P((asize_t));
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asize_t round_heap_chunk_size P((asize_t));
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void darken P((value));
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void major_collection_slice P((void));
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void major_collection P((void));
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void finish_major_cycle P((void));
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#endif /* _major_gc_ */
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