[project @ 2005-04-12 09:17:47 by simonmar]

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

diff --git a/ghc/includes/Regs.h b/ghc/includes/Regs.h
index c3252be..0203238 100644 (file)
--- a/ghc/includes/Regs.h
+++ b/ghc/includes/Regs.h
@@ -92,6 +92,9 @@ typedef struct StgRegTable_ {
 #if defined(SMP) || defined(PAR)
   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;