/* -----------------------------------------------------------------------------
- * $Id: Rts.h,v 1.12 2000/01/13 14:34:01 hwloidl Exp $
*
- * (c) The GHC Team, 1998-1999
+ * (c) The GHC Team, 1998-2004
*
* Top-level include file for the RTS itself
*
#ifndef RTS_H
#define RTS_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#ifndef IN_STG_CODE
#define IN_STG_CODE 0
#endif
#include "Stg.h"
+#include "RtsTypes.h"
+
+#if __GNUC__ >= 3
+/* Assume that a flexible array member at the end of a struct
+ * can be defined thus: T arr[]; */
+#define FLEXIBLE_ARRAY
+#else
+/* Assume that it must be defined thus: T arr[0]; */
+#define FLEXIBLE_ARRAY 0
+#endif
+
+/* Fix for mingw stat problem (done here so it's early enough) */
+#ifdef mingw32_HOST_OS
+#define __MSVCRT__ 1
+#endif
+
+/*
+ * We often want to know the size of something in units of an
+ * StgWord... (rounded up, of course!)
+ */
+#define sizeofW(t) ((sizeof(t)+sizeof(W_)-1)/sizeof(W_))
+
+/*
+ * It's nice to be able to grep for casts
+ */
+#define stgCast(ty,e) ((ty)(e))
+
/* -----------------------------------------------------------------------------
- RTS Exit codes
+ Assertions and Debuggery
-------------------------------------------------------------------------- */
-#if ! defined(EXIT_SUCCESS) || ! defined(EXIT_FAILURE)
-/* "stdlib.h" should have defined these; but at least
- on SunOS 4.1.3, this is not so.
-*/
-#define EXIT_SUCCESS 0
-#define EXIT_FAILURE 1
+#ifndef DEBUG
+#define ASSERT(predicate) /* nothing */
+#else
+
+extern void _assertFail (char *, unsigned int);
+
+#define ASSERT(predicate) \
+ if (predicate) \
+ /*null*/; \
+ else \
+ _assertFail(__FILE__, __LINE__)
+#endif /* DEBUG */
+
+/*
+ * Use this on the RHS of macros which expand to nothing
+ * to make sure that the macro can be used in a context which
+ * demands a non-empty statement.
+ */
+
+#define doNothing() do { } while (0)
+
+#ifdef DEBUG
+#define USED_IF_DEBUG
+#define USED_IF_NOT_DEBUG STG_UNUSED
+#else
+#define USED_IF_DEBUG STG_UNUSED
+#define USED_IF_NOT_DEBUG
+#endif
+
+#ifdef THREADED_RTS
+#define USED_IF_THREADS
+#define USED_IF_NOT_THREADS STG_UNUSED
+#else
+#define USED_IF_THREADS STG_UNUSED
+#define USED_IF_NOT_THREADS
#endif
+/* -----------------------------------------------------------------------------
+ Include everything STG-ish
+ -------------------------------------------------------------------------- */
+
+/* System headers: stdlib.h is eeded so that we can use NULL. It must
+ * come after MachRegs.h, because stdlib.h might define some inline
+ * functions which may only be defined after register variables have
+ * been declared.
+ */
+#include <stdlib.h>
+
+/* Global constaints */
+#include "Constants.h"
+
+/* Profiling information */
+#include "StgProf.h"
+#include "StgLdvProf.h"
+
+/* Storage format definitions */
+#include "StgFun.h"
+#include "Closures.h"
+#include "Liveness.h"
+#include "ClosureTypes.h"
+#include "InfoTables.h"
+#include "TSO.h"
+
+/* Info tables, closures & code fragments defined in the RTS */
+#include "StgMiscClosures.h"
+
+/* Simulated-parallel information */
+#include "GranSim.h"
+
+/* Parallel information */
+#include "Parallel.h"
+#include "OSThreads.h"
+#include "SMP.h"
+
+/* STG/Optimised-C related stuff */
+#include "Block.h"
+
+/* GNU mp library */
+#include "gmp.h"
+
+/* Macros for STG/C code */
+#include "ClosureMacros.h"
+#include "StgTicky.h"
+#include "Stable.h"
+
+/* Runtime-system hooks */
+#include "Hooks.h"
+#include "RtsMessages.h"
+
+#include "ieee-flpt.h"
+
+#include "Signals.h"
+
+/* Misc stuff without a home */
+DLL_IMPORT_RTS extern char **prog_argv; /* so we can get at these from Haskell */
+DLL_IMPORT_RTS extern int prog_argc;
+DLL_IMPORT_RTS extern char *prog_name;
+
+extern void stackOverflow(void);
+
+extern void __decodeDouble (MP_INT *man, I_ *_exp, StgDouble dbl);
+extern void __decodeFloat (MP_INT *man, I_ *_exp, StgFloat flt);
+
+#if defined(WANT_DOTNET_SUPPORT)
+#include "DNInvoke.h"
+#endif
+
+/* Initialising the whole adjustor thunk machinery. */
+extern void initAdjustor(void);
+
+extern void stg_exit(int n) GNU_ATTRIBUTE(__noreturn__);
+
+/* -----------------------------------------------------------------------------
+ RTS Exit codes
+ -------------------------------------------------------------------------- */
+
/* 255 is allegedly used by dynamic linkers to report linking failure */
#define EXIT_INTERNAL_ERROR 254
#define EXIT_DEADLOCK 253
#define IF_DEBUG(c,s) doNothing()
#endif
+#ifdef DEBUG
+#define DEBUG_ONLY(s) s
+#else
+#define DEBUG_ONLY(s) doNothing()
+#endif
+
#if defined(GRAN) && defined(DEBUG)
#define IF_GRAN_DEBUG(c,s) if (RtsFlags.GranFlags.Debug.c) { s; }
#else
#endif
/* -----------------------------------------------------------------------------
- Attributes
+ Useful macros and inline functions
-------------------------------------------------------------------------- */
-#ifdef __GNUC__ /* Avoid spurious warnings */
-#if __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
-#define STG_NORETURN __attribute__ ((noreturn))
-#define STG_UNUSED __attribute__ ((unused))
-#else
-#define STG_NORETURN
-#define STG_UNUSED
+#if defined(__GNUC__)
+#define SUPPORTS_TYPEOF
#endif
+
+#if defined(SUPPORTS_TYPEOF)
+#define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; })
+#define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; })
#else
-#define STG_NORETURN
-#define STG_UNUSED
+#define stg_min(a,b) ((a) <= (b) ? (a) : (b))
+#define stg_max(a,b) ((a) <= (b) ? (b) : (a))
#endif
-/* -----------------------------------------------------------------------------
- Useful macros and inline functions
- -------------------------------------------------------------------------- */
-
-/*
- * Use this on the RHS of macros which expand to nothing
- * to make sure that the macro can be used in a context which
- * demands a non-empty statement.
- */
+/* -------------------------------------------------------------------------- */
-#define doNothing() do { } while (0)
-
-#define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; })
-#define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; })
+#ifdef __cplusplus
+}
+#endif
-#endif RTS_H
+#endif /* RTS_H */
projects / ghc-hetmet.git / blobdiff