X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FRts.h;h=8d42730abf00533569fdc958f6ba2815d071f980;hb=423d477bfecd490de1449c59325c8776f91d7aac;hp=264857bfca601a46c2164068db4d52c049faf851;hpb=d7416a5e4d75fa32190a3ea96e5d9c274a33e33a;p=ghc-hetmet.git diff --git a/ghc/includes/Rts.h b/ghc/includes/Rts.h index 264857b..8d42730 100644 --- a/ghc/includes/Rts.h +++ b/ghc/includes/Rts.h @@ -1,5 +1,5 @@ /* ----------------------------------------------------------------------------- - * $Id: Rts.h,v 1.14 2001/10/29 11:33:37 simonmar Exp $ + * $Id: Rts.h,v 1.24 2004/08/13 13:09:27 simonmar Exp $ * * (c) The GHC Team, 1998-1999 * @@ -19,18 +19,175 @@ extern "C" { #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 + +#if defined(SMP) || defined(THREADED_RTS) +#define RTS_SUPPORTS_THREADS 1 +#endif + +/* Fix for mingw stat problem (done here so it's early enough) */ +#ifdef mingw32_TARGET_OS +#define __MSVCRT__ 1 +#endif + +#if defined(__GNUC__) +#define GNU_ATTRIBUTE(at) __attribute__((at)) +#else +#define GNU_ATTRIBUTE(at) +#endif + +#if __GNUC__ >= 3 +#define GNUC3_ATTRIBUTE(at) __attribute__((at)) +#else +#define GNUC3_ATTRIBUTE(at) +#endif + +/* + * Empty structures isn't supported by all, so to define + * empty structures, please protect the defn with an + * #if SUPPORTS_EMPTY_STRUCTS. Similarly for use, + * employ the macro MAYBE_EMPTY_STRUCT(): + * + * MAYBE_EMPTY_STRUCT(structFoo, fieldName); + */ +#if SUPPORTS_EMPTY_STRUCTS +# define MAYBE_EMPTY_STRUCT(a,b) a b; +#else +# define MAYBE_EMPTY_STRUCT(a,b) /* empty */ +#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 + +void _stgAssert (char *, unsigned int); + +#define ASSERT(predicate) \ + if (predicate) \ + /*null*/; \ + else \ + _stgAssert(__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) + +/* ----------------------------------------------------------------------------- + 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 + +/* 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" + +/* STG/Optimised-C related stuff */ +#include "SMP.h" +#include "Block.h" + +#ifdef SMP +#include +#endif + +/* 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 "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 +/* Creating and destroying an adjustor thunk and initialising the whole + adjustor thunk machinery. I cannot make myself create a separate .h file + for these three (sof.) + +*/ +extern void* createAdjustor(int cconv, StgStablePtr hptr, StgFunPtr wptr); +extern void freeHaskellFunctionPtr(void* ptr); +extern rtsBool 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 @@ -45,6 +202,14 @@ extern "C" { /* declarations for runtime flags/values */ #define MAX_RTS_ARGS 32 +#ifdef _WIN32 +/* On the yucky side..suppress -Wmissing-declarations warnings when + * including + */ +extern void* GetCurrentFiber ( void ); +extern void* GetFiberData ( void ); +#endif + /* ----------------------------------------------------------------------------- Assertions and Debuggery -------------------------------------------------------------------------- */ @@ -61,6 +226,12 @@ extern "C" { #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 @@ -78,7 +249,7 @@ extern "C" { -------------------------------------------------------------------------- */ #ifdef __GNUC__ /* Avoid spurious warnings */ -#if __GNUC__ >= 2 && __GNUC_MINOR__ >= 7 +#if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3 #define STG_NORETURN __attribute__ ((noreturn)) #define STG_UNUSED __attribute__ ((unused)) #else @@ -90,20 +261,21 @@ extern "C" { #define STG_UNUSED #endif +#if defined(__GNUC__) +#define SUPPORTS_TYPEOF +#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) - +#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_min(a,b) ((a) <= (b) ? (a) : (b)) +#define stg_max(a,b) ((a) <= (b) ? (b) : (a)) +#endif /* -------------------------------------------------------------------------- */