1 /* -----------------------------------------------------------------------------
2 * $Id: StoragePriv.h,v 1.19 2001/11/08 12:46:31 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 *weak_ptr_list;
32 extern StgClosure *caf_list;
34 extern bdescr *small_alloc_list;
35 extern bdescr *large_alloc_list;
36 extern bdescr *pinned_object_block;
38 extern StgPtr alloc_Hp;
39 extern StgPtr alloc_HpLim;
41 extern bdescr *nursery;
43 extern nat alloc_blocks;
44 extern nat alloc_blocks_lim;
46 extern lnat total_allocated;
48 /* Nursery manipulation */
49 extern void allocNurseries ( void );
50 extern void resetNurseries ( void );
51 extern bdescr * allocNursery ( bdescr *last_bd, nat blocks );
52 extern void resizeNursery ( nat blocks );
55 extern lnat calcAllocated ( void );
56 extern lnat calcLive ( void );
57 extern lnat calcNeeded ( void );
60 dbl_link_onto(bdescr *bd, bdescr **list)
65 (*list)->u.back = bd; /* double-link the list */
71 * A mutable list is ended with END_MUT_LIST, so that we can use NULL
72 * as an indication that an object is not on a mutable list.
74 #define END_MUT_LIST ((StgMutClosure *)(void *)&stg_END_MUT_LIST_closure)
77 extern void memInventory(void);
78 extern void checkSanity(void);
79 extern nat countBlocks(bdescr *);
83 * These three are used by the garbage collector when we have
84 * dynamically-linked object modules. (see ClosureMacros.h,
86 * Defined in Linker.c.
88 int is_dynamically_loaded_code_or_rodata_ptr ( void* p );
89 int is_dynamically_loaded_rwdata_ptr ( void* p );
90 int is_not_dynamically_loaded_ptr ( void* p );
92 /* Functions from GC.c
94 extern void threadPaused ( StgTSO * );
95 extern StgClosure * isAlive ( StgClosure *p );
96 extern void markCAFs ( evac_fn evac );
98 #endif /* STORAGEPRIV_H */