[project @ 2005-07-25 13:59:09 by simonmar]

[ghc-hetmet.git] / ghc / includes / Storage.h

diff --git a/ghc/includes/Storage.h b/ghc/includes/Storage.h
index 597ce2e..ce944c8 100644 (file)
--- a/ghc/includes/Storage.h
+++ b/ghc/includes/Storage.h
@@ -62,12 +62,18 @@ typedef struct step_ {
   unsigned int         n_large_blocks;  /* no. of blocks used by large objs */
   int                  is_compacted;   /* compact this step? (old gen only) */
 
+  /* During GC, if we are collecting this step, blocks and n_blocks
+   * are copied into the following two fields.  After GC, these blocks
+   * are freed. */
+  bdescr *     old_blocks;             /* bdescr of first from-space block */
+  unsigned int n_old_blocks;           /* number of blocks in from-space */
+
   /* temporary use during GC: */
   StgPtr       hp;                     /* next free locn in to-space */
   StgPtr       hpLim;                  /* end of current to-space block */
   bdescr *     hp_bd;                  /* bdescr of current to-space block */
-  bdescr *     to_blocks;              /* bdescr of first to-space block */
-  unsigned int n_to_blocks;            /* number of blocks in to-space */
+  StgPtr       scavd_hp;               /* ... same as above, but already */
+  StgPtr       scavd_hpLim;            /*     scavenged.  */
   bdescr *     scan_bd;                        /* block currently being scanned */
   StgPtr       scan;                   /* scan pointer in current block */
   bdescr *     new_large_objects;      /* large objects collected so far */