[project @ 2002-12-04 12:06:28 by simonmar]

[ghc-hetmet.git] / ghc / rts / StoragePriv.h

diff --git a/ghc/rts/StoragePriv.h b/ghc/rts/StoragePriv.h
index c3054a5..a45e42d 100644 (file)
--- a/ghc/rts/StoragePriv.h
+++ b/ghc/rts/StoragePriv.h
@@ -1,26 +1,103 @@
 /* -----------------------------------------------------------------------------
- * $Id: StoragePriv.h,v 1.2 1998/12/02 13:28:59 simonm Exp $
+ * $Id: StoragePriv.h,v 1.22 2002/11/01 11:05:47 simonmar Exp $
+ *
+ * (c) The GHC Team, 1998-1999
  *
  * Internal Storage Manger Interface
  *
  * ---------------------------------------------------------------------------*/
 
-extern bdescr *allocNursery (bdescr *last_bd, nat blocks);
+#ifndef STORAGEPRIV_H
+#define STORAGEPRIV_H
+
+#include <stddef.h>
+
+#define END_OF_STATIC_LIST stgCast(StgClosure*,1)
+
+extern generation *generations;
+
+extern generation *g0;
+extern step *g0s0;
+extern generation *oldest_gen;
+
 extern void newCAF(StgClosure*);
-extern StgTSO *relocate_TSO(StgTSO *src, StgTSO *dest);
+
+extern void move_TSO(StgTSO *src, StgTSO *dest);
+extern StgTSO *relocate_stack(StgTSO *dest, ptrdiff_t diff);
+
+extern StgClosure *static_objects;
+extern StgClosure *scavenged_static_objects;
+
+extern StgWeak *old_weak_ptr_list;
 
 extern StgWeak    *weak_ptr_list;
 extern StgClosure *caf_list;
 
+extern StgTSO *resurrected_threads;
+
 extern bdescr *small_alloc_list;
 extern bdescr *large_alloc_list;
+extern bdescr *pinned_object_block;
 
 extern StgPtr alloc_Hp;
 extern StgPtr alloc_HpLim;
 
 extern bdescr *nursery;
 
-extern nat nursery_blocks;
 extern nat alloc_blocks;
 extern nat alloc_blocks_lim;
 
+extern lnat total_allocated;
+
+/* Nursery manipulation */
+extern void     allocNurseries ( void );
+extern void     resetNurseries ( void );
+extern bdescr * allocNursery   ( bdescr *last_bd, nat blocks );
+extern void     resizeNursery  ( nat blocks );
+extern void     tidyAllocateLists ( void );
+
+/* Stats 'n' stuff */
+extern lnat calcAllocated  ( void );
+extern lnat calcLive       ( void );
+extern lnat calcNeeded     ( void );
+
+static inline void
+dbl_link_onto(bdescr *bd, bdescr **list)
+{
+  bd->link = *list;
+  bd->u.back = NULL;
+  if (*list) {
+    (*list)->u.back = bd; /* double-link the list */
+  }
+  *list = bd;
+}
+
+/* MUTABLE LISTS
+ * A mutable list is ended with END_MUT_LIST, so that we can use NULL
+ * as an indication that an object is not on a mutable list.
+ */
+#define END_MUT_LIST ((StgMutClosure *)(void *)&stg_END_MUT_LIST_closure)
+
+#ifdef DEBUG
+extern void memInventory(void);
+extern void checkSanity(void);
+extern nat  countBlocks(bdescr *);
+#endif
+
+/* 
+ * These three are used by the garbage collector when we have
+ * dynamically-linked object modules.  (see Storage.h,
+ * IS_DATA_PTR etc.). 
+ * Defined in Linker.c.
+ */
+int is_dynamically_loaded_code_or_rodata_ptr ( void* p );
+int is_dynamically_loaded_rwdata_ptr         ( void* p );
+int is_not_dynamically_loaded_ptr            ( void* p );
+
+/* Functions from GC.c 
+ */
+extern void         threadPaused ( StgTSO * );
+extern StgClosure * isAlive      ( StgClosure *p );
+extern void         markCAFs     ( evac_fn evac );
+
+#endif /* STORAGEPRIV_H */