1 files changed, 47 insertions, 0 deletions
diff --git a/rts/RetainerProfile.h b/rts/RetainerProfile.h
new file mode 100644
index 0000000000..827daa8ef4
--- /dev/null
+++ b/rts/RetainerProfile.h
@@ -0,0 +1,47 @@
+/* -----------------------------------------------------------------------------
+ *
+ * (c) The GHC Team, 2001
+ * Author: Sungwoo Park
+ *
+ * Retainer profiling interface.
+ *
+ * ---------------------------------------------------------------------------*/
+
+#ifndef RETAINERPROFILE_H
+#define RETAINERPROFILE_H
+
+#ifdef PROFILING
+
+#include "RetainerSet.h"
+
+extern void  initRetainerProfiling ( void );
+extern void  endRetainerProfiling  ( void );
+extern void  printRetainer         ( FILE *, retainer );
+extern void  retainerProfile       ( void );
+extern void  resetStaticObjectForRetainerProfiling ( void );
+
+extern StgWord RTS_VAR(flip);
+
+// extract the retainer set field from c
+#define RSET(c)   ((c)->header.prof.hp.rs)
+
+#define isRetainerSetFieldValid(c) \
+  ((((StgWord)(c)->header.prof.hp.rs & 1) ^ flip) == 0)
+
+static inline RetainerSet *
+retainerSetOf( StgClosure *c )
+{
+    ASSERT( isRetainerSetFieldValid(c) );
+    // StgWord has the same size as pointers, so the following type
+    // casting is okay.
+    return (RetainerSet *)((StgWord)RSET(c) ^ flip);
+}
+
+// Used by Storage.c:memInventory()
+#ifdef DEBUG
+extern lnat retainerStackBlocks ( void );
+#endif
+
+#endif /* PROFILING */
+
+#endif /* RETAINERPROFILE_H */