1 /* -----------------------------------------------------------------------------
2 * $Id: StoragePriv.h,v 1.22 2002/11/01 11:05:47 simonmar Exp $
4 * (c) The GHC Team, 1998-1999
6 * Internal Storage Manger Interface
8 * ---------------------------------------------------------------------------*/
15 #define END_OF_STATIC_LIST stgCast(StgClosure*,1)
17 extern generation *generations;
19 extern generation *g0;
21 extern generation *oldest_gen;
23 extern void newCAF(StgClosure*);
25 extern void move_TSO(StgTSO *src, StgTSO *dest);
26 extern StgTSO *relocate_stack(StgTSO *dest, ptrdiff_t diff);
28 extern StgClosure *static_objects;
29 extern StgClosure *scavenged_static_objects;
31 extern StgWeak *old_weak_ptr_list;
33 extern StgWeak *weak_ptr_list;
34 extern StgClosure *caf_list;
36 extern StgTSO *resurrected_threads;
38 extern bdescr *small_alloc_list;
39 extern bdescr *large_alloc_list;
40 extern bdescr *pinned_object_block;
42 extern StgPtr alloc_Hp;
43 extern StgPtr alloc_HpLim;
45 extern bdescr *nursery;
47 extern nat alloc_blocks;
48 extern nat alloc_blocks_lim;
50 extern lnat total_allocated;
52 /* Nursery manipulation */
53 extern void allocNurseries ( void );
54 extern void resetNurseries ( void );
55 extern bdescr * allocNursery ( bdescr *last_bd, nat blocks );
56 extern void resizeNursery ( nat blocks );
57 extern void tidyAllocateLists ( void );
60 extern lnat calcAllocated ( void );
61 extern lnat calcLive ( void );
62 extern lnat calcNeeded ( void );
65 dbl_link_onto(bdescr *bd, bdescr **list)
70 (*list)->u.back = bd; /* double-link the list */
76 * A mutable list is ended with END_MUT_LIST, so that we can use NULL
77 * as an indication that an object is not on a mutable list.
79 #define END_MUT_LIST ((StgMutClosure *)(void *)&stg_END_MUT_LIST_closure)
82 extern void memInventory(void);
83 extern void checkSanity(void);
84 extern nat countBlocks(bdescr *);
88 * These three are used by the garbage collector when we have
89 * dynamically-linked object modules. (see Storage.h,
91 * Defined in Linker.c.
93 int is_dynamically_loaded_code_or_rodata_ptr ( void* p );
94 int is_dynamically_loaded_rwdata_ptr ( void* p );
95 int is_not_dynamically_loaded_ptr ( void* p );
97 /* Functions from GC.c
99 extern void threadPaused ( StgTSO * );
100 extern StgClosure * isAlive ( StgClosure *p );
101 extern void markCAFs ( evac_fn evac );
103 #endif /* STORAGEPRIV_H */