1 /* -----------------------------------------------------------------------------
3 * (c) The GHC Team, 1998-2004
5 * Top-level include file for the RTS itself
7 * ---------------------------------------------------------------------------*/
24 /* Assume that a flexible array member at the end of a struct
25 * can be defined thus: T arr[]; */
26 #define FLEXIBLE_ARRAY
28 /* Assume that it must be defined thus: T arr[0]; */
29 #define FLEXIBLE_ARRAY 0
32 /* Fix for mingw stat problem (done here so it's early enough) */
33 #ifdef mingw32_HOST_OS
38 * We often want to know the size of something in units of an
39 * StgWord... (rounded up, of course!)
41 #define sizeofW(t) ((sizeof(t)+sizeof(W_)-1)/sizeof(W_))
44 * It's nice to be able to grep for casts
46 #define stgCast(ty,e) ((ty)(e))
48 /* -----------------------------------------------------------------------------
49 Assertions and Debuggery
50 -------------------------------------------------------------------------- */
53 #define ASSERT(predicate) /* nothing */
56 extern void _assertFail (char *, unsigned int);
58 #define ASSERT(predicate) \
62 _assertFail(__FILE__, __LINE__)
66 * Use this on the RHS of macros which expand to nothing
67 * to make sure that the macro can be used in a context which
68 * demands a non-empty statement.
71 #define doNothing() do { } while (0)
73 /* -----------------------------------------------------------------------------
74 Include everything STG-ish
75 -------------------------------------------------------------------------- */
77 /* System headers: stdlib.h is eeded so that we can use NULL. It must
78 * come after MachRegs.h, because stdlib.h might define some inline
79 * functions which may only be defined after register variables have
84 /* Global constaints */
85 #include "Constants.h"
87 /* Profiling information */
89 #include "StgLdvProf.h"
91 /* Storage format definitions */
95 #include "ClosureTypes.h"
96 #include "InfoTables.h"
99 /* Info tables, closures & code fragments defined in the RTS */
100 #include "StgMiscClosures.h"
102 /* Simulated-parallel information */
105 /* Parallel information */
106 #include "Parallel.h"
107 #include "OSThreads.h"
110 /* STG/Optimised-C related stuff */
116 /* Macros for STG/C code */
117 #include "ClosureMacros.h"
118 #include "StgTicky.h"
121 /* Runtime-system hooks */
123 #include "RtsMessages.h"
125 #include "ieee-flpt.h"
129 /* Misc stuff without a home */
130 DLL_IMPORT_RTS extern char **prog_argv; /* so we can get at these from Haskell */
131 DLL_IMPORT_RTS extern int prog_argc;
132 DLL_IMPORT_RTS extern char *prog_name;
134 extern void stackOverflow(void);
136 extern void __decodeDouble (MP_INT *man, I_ *_exp, StgDouble dbl);
137 extern void __decodeFloat (MP_INT *man, I_ *_exp, StgFloat flt);
139 #if defined(WANT_DOTNET_SUPPORT)
140 #include "DNInvoke.h"
143 /* Initialising the whole adjustor thunk machinery. */
144 extern void initAdjustor(void);
146 extern void stg_exit(int n) GNU_ATTRIBUTE(__noreturn__);
148 /* -----------------------------------------------------------------------------
150 -------------------------------------------------------------------------- */
152 /* 255 is allegedly used by dynamic linkers to report linking failure */
153 #define EXIT_INTERNAL_ERROR 254
154 #define EXIT_DEADLOCK 253
155 #define EXIT_INTERRUPTED 252
156 #define EXIT_HEAPOVERFLOW 251
157 #define EXIT_KILLED 250
159 /* -----------------------------------------------------------------------------
160 Miscellaneous garbage
161 -------------------------------------------------------------------------- */
163 /* declarations for runtime flags/values */
164 #define MAX_RTS_ARGS 32
166 /* -----------------------------------------------------------------------------
167 Assertions and Debuggery
168 -------------------------------------------------------------------------- */
170 #define IF_RTSFLAGS(c,s) if (RtsFlags.c) { s; }
172 /* -----------------------------------------------------------------------------
173 Assertions and Debuggery
174 -------------------------------------------------------------------------- */
177 #define IF_DEBUG(c,s) if (RtsFlags.DebugFlags.c) { s; }
179 #define IF_DEBUG(c,s) doNothing()
183 #define DEBUG_ONLY(s) s
185 #define DEBUG_ONLY(s) doNothing()
188 #if defined(GRAN) && defined(DEBUG)
189 #define IF_GRAN_DEBUG(c,s) if (RtsFlags.GranFlags.Debug.c) { s; }
191 #define IF_GRAN_DEBUG(c,s) doNothing()
194 #if defined(PAR) && defined(DEBUG)
195 #define IF_PAR_DEBUG(c,s) if (RtsFlags.ParFlags.Debug.c) { s; }
197 #define IF_PAR_DEBUG(c,s) doNothing()
200 /* -----------------------------------------------------------------------------
201 Useful macros and inline functions
202 -------------------------------------------------------------------------- */
204 #if defined(__GNUC__)
205 #define SUPPORTS_TYPEOF
208 #if defined(SUPPORTS_TYPEOF)
209 #define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; })
210 #define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; })
212 #define stg_min(a,b) ((a) <= (b) ? (a) : (b))
213 #define stg_max(a,b) ((a) <= (b) ? (b) : (a))
216 /* -------------------------------------------------------------------------- */