[project @ 1999-06-25 09:14:54 by simonmar]

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

diff --git a/ghc/includes/Stg.h b/ghc/includes/Stg.h
index 9dd0620..c5ad6f4 100644 (file)
--- a/ghc/includes/Stg.h
+++ b/ghc/includes/Stg.h
@@ -1,5 +1,7 @@
 /* -----------------------------------------------------------------------------
- * $Id: Stg.h,v 1.2 1998/12/02 13:21:33 simonm Exp $
+ * $Id: Stg.h,v 1.14 1999/06/25 09:14:54 simonmar Exp $
+ *
+ * (c) The GHC Team, 1998-1999
  *
  * Top-level include file for everything STG-ish.  
  *
@@ -20,11 +22,66 @@
 #include "options.h"
 #endif
 
+/* Some macros to handle DLLing (Win32 only at the moment). */
+#include "StgDLL.h"
+
+/* Turn lazy blackholing and eager blackholing on/off.
+ *
+ * Using eager blackholing makes things easier to debug because
+ * the blackholes are more predictable - but it's slower and less sexy.
+ *
+ * For now, do lazy and not eager.
+ */
+
+#define LAZY_BLACKHOLING
+/* #define EAGER_BLACKHOLING */
+
+#ifdef TICKY_TICKY
+/* TICKY_TICKY needs EAGER_BLACKHOLING to verify no double-entries of single-entry thunks. */
+# undef  LAZY_BLACKHOLING 
+# define EAGER_BLACKHOLING
+#endif
+
 /* ToDo: Set this flag properly: COMPILER and INTERPRETER should not be mutually exclusive. */
 #ifndef INTERPRETER
 #define COMPILER 1
 #endif
 
+/* TABLES_NEXT_TO_CODE says whether to assume that info tables are
+ * assumed to reside just before the code for a function.
+ *
+ * UNDEFINING THIS WON'T WORK ON ITS OWN.  You have been warned.
+ */
+#ifndef USE_MINIINTERPRETER
+#define TABLES_NEXT_TO_CODE
+#endif
+
+/* bit macros
+ */
+#define BITS_PER_BYTE 8
+#define BITS_IN(x) (BITS_PER_BYTE * sizeof(x))
+
+/* -----------------------------------------------------------------------------
+   Assertions and Debuggery
+   -------------------------------------------------------------------------- */
+
+#ifndef DEBUG
+#define ASSERT(predicate) /* nothing */
+#else
+
+void _stgAssert (char *, unsigned int);
+
+#define ASSERT(predicate)                      \
+       if (predicate)                          \
+           /*null*/;                           \
+       else                                    \
+           _stgAssert(__FILE__, __LINE__)
+#endif /* DEBUG */
+
+/* -----------------------------------------------------------------------------
+   Include everything STG-ish
+   -------------------------------------------------------------------------- */
+
 /* Global type definitions*/
 #include "StgTypes.h"
 
@@ -36,6 +93,7 @@
 
 /* Storage format definitions */
 #include "Closures.h"
+#include "ClosureTypes.h"
 #include "InfoTables.h"
 #include "TSO.h"
 
@@ -44,20 +102,6 @@
 #include "Regs.h"
 #include "TailCalls.h"
 
-/**
- * Added by Ian McDonald 7/5/98 
- * XXX The position of this code is very
- * important - it must come after the 
- * Regs.h include
- **/
-#ifdef nemesis_TARGET_OS
-#define _NEMESIS_OS_
-#ifndef __LANGUAGE_C
-#define __LANGUAGE_C
-#endif
-#include <nemesis.h>
-#endif
-
 /* these are all ANSI C headers */
 #include <stdlib.h>
 #include <string.h>
@@ -90,8 +134,9 @@
 #include "StgProf.h"
 #include "PrimOps.h"
 #include "Updates.h"
-#include "Ticky.h"
+#include "StgTicky.h"
 #include "CCall.h"
+#include "Stable.h"
 
 /* Built-in entry points */
 #include "StgMiscClosures.h"
@@ -100,9 +145,22 @@
 #include "Hooks.h"
 
 /* Misc stuff without a home */
+#if defined(ENABLE_WIN32_DLL_SUPPOT) && !defined(COMPILING_RTS)
+extern DLLIMPORT char **prog_argv;     /* so we can get at these from Haskell */
+extern DLLIMPORT int    prog_argc;
+#else
 extern char **prog_argv;       /* so we can get at these from Haskell */
 extern int    prog_argc;
+#endif
 
 extern char **environ;
 
+/* Creating and destroying an adjustor thunk.
+   I cannot make myself create a separate .h file
+   for these two (sof.) 
+   
+*/
+extern void* createAdjustor(int cconv, StgStablePtr hptr, StgFunPtr wptr);
+extern void  freeHaskellFunctionPtr(void* ptr);
+
 #endif /* STG_H */