[project @ 2005-05-05 12:26:15 by simonpj]

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

diff --git a/ghc/includes/Regs.h b/ghc/includes/Regs.h
index 614499e..0203238 100644 (file)
--- a/ghc/includes/Regs.h
+++ b/ghc/includes/Regs.h
@@ -72,8 +72,8 @@ typedef struct StgRegTable_ {
   StgUnion       rR6;
   StgUnion       rR7;
   StgUnion       rR8;
-  StgUnion       rR9;          // used occasionally by heap/stack checks
-  StgUnion       rR10;         // used occasionally by heap/stack checks
+  StgUnion       rR9;          /* used occasionally by heap/stack checks */
+  StgUnion       rR10;         /* used occasionally by heap/stack checks */
   StgFloat       rF1;
   StgFloat       rF2;
   StgFloat       rF3;
@@ -86,12 +86,15 @@ typedef struct StgRegTable_ {
   StgPtr         rHp;
   StgPtr         rHpLim;
   struct StgTSO_ *rCurrentTSO;
-  struct bdescr_ *rNursery;
+  struct step_   *rNursery;
   struct bdescr_ *rCurrentNursery;
-  StgWord         rHpAlloc;    // number of *bytes* being allocated in heap 
+  StgWord         rHpAlloc;    /* number of *bytes* being allocated in heap */
 #if defined(SMP) || defined(PAR)
-  StgSparkPool   rSparks;      // per-task spark pool
+  StgSparkPool   rSparks;      /* per-task spark pool */
 #endif
+  StgWord        rInHaskell;    /* non-zero if we're in Haskell code */
+    // If this flag is set, we are running Haskell code.  Used to detect
+    // uses of 'foreign import unsafe' that should be 'safe'.
 } StgRegTable;