X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FHsFFI.h;h=57a0be3609aa4d7d65368a39f05a355d50bfebea;hb=57d3c7c8a8523e375d49d2ac036210b6dcf7ec9c;hp=799f675c1bd4da0ec5c41f4fa5757af011e81d0d;hpb=d51a833fca6348b967323f667fbd11be74442921;p=ghc-hetmet.git diff --git a/ghc/includes/HsFFI.h b/ghc/includes/HsFFI.h index 799f675..57a0be3 100644 --- a/ghc/includes/HsFFI.h +++ b/ghc/includes/HsFFI.h @@ -1,113 +1,167 @@ /* ----------------------------------------------------------------------------- - * $Id: HsFFI.h,v 1.1 2000/04/05 15:20:41 panne Exp $ + * $Id: HsFFI.h,v 1.18 2003/01/28 16:30:07 simonmar Exp $ * * (c) The GHC Team, 2000 * * A mapping for Haskell types to C types, including the corresponding bounds. * Intended to be used in conjuction with the FFI. * + * WARNING: Keep this file and StgTypes.h in synch! + * * ---------------------------------------------------------------------------*/ #ifndef HSFFI_H #define HSFFI_H +#ifdef __cplusplus +extern "C" { +#endif + /* get types from GHC's runtime system */ +#include "config.h" #include "StgTypes.h" /* get limits for integral types */ -/* NOTE: This is currently not as portable as it should be. Another route - would be including limits.h plus some #ifdef magic around the bounds of - types without a specified size. */ +#ifdef HAVE_STDINT_H +/* ISO C 99 says: + * "C++ implementations should define these macros only when + * __STDC_LIMIT_MACROS is defined before is included." + */ +#define __STDC_LIMIT_MACROS #include +#elif defined(HAVE_INTTYPES_H) +#include +#else +/* second best guess (e.g. on Solaris) */ +#include +#endif + +#ifdef INT8_MIN +#define __INT8_MIN INT8_MIN +#define __INT16_MIN INT16_MIN +#define __INT32_MIN INT32_MIN +#define __INT64_MIN INT64_MIN +#define __INT8_MAX INT8_MAX +#define __INT16_MAX INT16_MAX +#define __INT32_MAX INT32_MAX +#define __INT64_MAX INT64_MAX +#define __UINT8_MAX UINT8_MAX +#define __UINT16_MAX UINT16_MAX +#define __UINT32_MAX UINT32_MAX +#define __UINT64_MAX UINT64_MAX +#else +/* if we had no luck, let's do it for ourselves (assuming 64bit long longs) */ +#define __INT8_MIN (-128) +#define __INT16_MIN (-32767-1) +#define __INT32_MIN (-2147483647-1) +#define __INT64_MIN (-9223372036854775807LL-1) +#define __INT8_MAX (127) +#define __INT16_MAX (32767) +#define __INT32_MAX (2147483647) +#define __INT64_MAX (9223372036854775807LL) +#define __UINT8_MAX (255U) +#define __UINT16_MAX (65535U) +#define __UINT32_MAX (4294967295U) +#define __UINT64_MAX (18446744073709551615ULL) +#endif /* get limits for floating point types */ #include -typedef StgChar HsChar; -typedef StgInt HsInt; -typedef StgInt8 HsInt8; -typedef StgInt16 HsInt16; -typedef StgInt32 HsInt32; -typedef StgInt64 HsInt64; -typedef StgWord8 HsWord8; -typedef StgWord16 HsWord16; -typedef StgWord32 HsWord32; -typedef StgWord64 HsWord64; -typedef StgFloat HsFloat; -typedef StgDouble HsDouble; -typedef StgBool HsBool; -typedef void* HsAddr; /* this should better match StgAddr */ -typedef void* HsForeignObj; /* ... and this StgForeignPtr */ -typedef void* HsStablePtr; /* NOTE: THIS IS CURRENTLY WRONG!!! */ +typedef StgChar HsChar; +typedef StgInt HsInt; +typedef StgInt8 HsInt8; +typedef StgInt16 HsInt16; +typedef StgInt32 HsInt32; +typedef StgInt64 HsInt64; +typedef StgWord HsWord; +typedef StgWord8 HsWord8; +typedef StgWord16 HsWord16; +typedef StgWord32 HsWord32; +typedef StgWord64 HsWord64; +typedef StgFloat HsFloat; +typedef StgDouble HsDouble; +typedef StgBool HsBool; +typedef void* HsPtr; /* this should better match StgAddr */ +typedef void (*HsFunPtr)(void); /* this should better match StgAddr */ +typedef void* HsForeignPtr; /* ... and this StgForeignPtr */ +typedef void* HsStablePtr; +typedef void* HsAddr; /* DEPRECATED */ +typedef void* HsForeignObj; /* DEPRECATED */ /* this should correspond to the type of StgChar in StgTypes.h */ -#define HS_CHAR_MIN 0 -#define HS_CHAR_MAX UINT8_MAX +#define HS_CHAR_MIN 0 +#define HS_CHAR_MAX 0x10FFFF + +/* is it true or not? */ +#define HS_BOOL_FALSE 0 +#define HS_BOOL_TRUE 1 + +#define HS_BOOL_MIN HS_BOOL_FALSE +#define HS_BOOL_MAX HS_BOOL_TRUE /* this mirrors the distinction of cases in StgTypes.h */ #if SIZEOF_VOID_P == 8 -#define HS_INT_MIN INT64_MIN -#define HS_INT_MAX INT64_MAX +#define HS_INT_MIN __INT64_MIN +#define HS_INT_MAX __INT64_MAX #elif SIZEOF_VOID_P == 4 -#define HS_INT_MIN INT32_MIN -#define HS_INT_MAX INT32_MAX +#define HS_INT_MIN __INT32_MIN +#define HS_INT_MAX __INT32_MAX #else #error GHC untested on this architecture: sizeof(void *) != 4 or 8 #endif -#define HS_INT8_MIN INT8_MIN -#define HS_INT8_MAX INT8_MAX -#define HS_INT16_MIN INT16_MIN -#define HS_INT16_MAX INT16_MAX -#define HS_INT32_MIN INT32_MIN -#define HS_INT32_MAX INT32_MAX -#define HS_INT64_MIN INT64_MIN -#define HS_INT64_MAX INT64_MAX -#define HS_WORD8_MAX UINT8_MAX -#define HS_WORD16_MAX UINT16_MAX -#define HS_WORD32_MAX UINT32_MAX -#define HS_WORD64_MAX UINT64_MAX - -#ifdef FLOATS_AS_DOUBLES - -#define HS_FLOAT_RADIX DBL_RADIX -#define HS_FLOAT_ROUNDS DBL_ROUNDS -#define HS_FLOAT_EPSILON DBL_EPSILON -#define HS_FLOAT_DIG DBL_DIG -#define HS_FLOAT_MANT_DIG DBL_MANT_DIG -#define HS_FLOAT_MIN DBL_MIN -#define HS_FLOAT_MIN_EXP DBL_MIN_EXP -#define HS_FLOAT_MIN_10_EXP DBL_MIN_10_EXP -#define HS_FLOAT_MAX DBL_MAX -#define HS_FLOAT_MAX_EXP DBL_MAX_EXP -#define HS_FLOAT_MAX_10_EXP DBL_MAX_10_EXP - -#else - -#define HS_FLOAT_RADIX FLT_RADIX -#define HS_FLOAT_ROUNDS FLT_ROUNDS -#define HS_FLOAT_EPSILON FLT_EPSILON -#define HS_FLOAT_DIG FLT_DIG -#define HS_FLOAT_MANT_DIG FLT_MANT_DIG -#define HS_FLOAT_MIN FLT_MIN -#define HS_FLOAT_MIN_EXP FLT_MIN_EXP -#define HS_FLOAT_MIN_10_EXP FLT_MIN_10_EXP -#define HS_FLOAT_MAX FLT_MAX -#define HS_FLOAT_MAX_EXP FLT_MAX_EXP -#define HS_FLOAT_MAX_10_EXP FLT_MAX_10_EXP - -#endif /* FLOATS_AS_DOUBLES */ - -#define HS_DOUBLE_RADIX DBL_RADIX -#define HS_DOUBLE_ROUNDS DBL_ROUNDS -#define HS_DOUBLE_EPSILON DBL_EPSILON -#define HS_DOUBLE_DIG DBL_DIG -#define HS_DOUBLE_MANT_DIG DBL_MANT_DIG -#define HS_DOUBLE_MIN DBL_MIN -#define HS_DOUBLE_MIN_EXP DBL_MIN_EXP -#define HS_DOUBLE_MIN_10_EXP DBL_MIN_10_EXP -#define HS_DOUBLE_MAX DBL_MAX -#define HS_DOUBLE_MAX_EXP DBL_MAX_EXP -#define HS_DOUBLE_MAX_10_EXP DBL_MAX_10_EXP +#define HS_INT8_MIN __INT8_MIN +#define HS_INT8_MAX __INT8_MAX +#define HS_INT16_MIN __INT16_MIN +#define HS_INT16_MAX __INT16_MAX +#define HS_INT32_MIN __INT32_MIN +#define HS_INT32_MAX __INT32_MAX +#define HS_INT64_MIN __INT64_MIN +#define HS_INT64_MAX __INT64_MAX +#define HS_WORD8_MAX __UINT8_MAX +#define HS_WORD16_MAX __UINT16_MAX +#define HS_WORD32_MAX __UINT32_MAX +#define HS_WORD64_MAX __UINT64_MAX + +#define HS_FLOAT_RADIX FLT_RADIX +#define HS_FLOAT_ROUNDS FLT_ROUNDS +#define HS_FLOAT_EPSILON FLT_EPSILON +#define HS_FLOAT_DIG FLT_DIG +#define HS_FLOAT_MANT_DIG FLT_MANT_DIG +#define HS_FLOAT_MIN FLT_MIN +#define HS_FLOAT_MIN_EXP FLT_MIN_EXP +#define HS_FLOAT_MIN_10_EXP FLT_MIN_10_EXP +#define HS_FLOAT_MAX FLT_MAX +#define HS_FLOAT_MAX_EXP FLT_MAX_EXP +#define HS_FLOAT_MAX_10_EXP FLT_MAX_10_EXP + +#define HS_DOUBLE_RADIX DBL_RADIX +#define HS_DOUBLE_ROUNDS DBL_ROUNDS +#define HS_DOUBLE_EPSILON DBL_EPSILON +#define HS_DOUBLE_DIG DBL_DIG +#define HS_DOUBLE_MANT_DIG DBL_MANT_DIG +#define HS_DOUBLE_MIN DBL_MIN +#define HS_DOUBLE_MIN_EXP DBL_MIN_EXP +#define HS_DOUBLE_MIN_10_EXP DBL_MIN_10_EXP +#define HS_DOUBLE_MAX DBL_MAX +#define HS_DOUBLE_MAX_EXP DBL_MAX_EXP +#define HS_DOUBLE_MAX_10_EXP DBL_MAX_10_EXP + +extern void hs_init (int *argc, char **argv[]); +extern void hs_exit (void); +extern void hs_set_argv (int argc, char *argv[]); +extern void hs_add_root (void (*init_root)(void)); + +extern void hs_perform_gc (void); + +extern void hs_free_stable_ptr (HsStablePtr *sp); +extern void hs_free_fun_ptr (HsFunPtr *fp); + +/* -------------------------------------------------------------------------- */ + +#ifdef __cplusplus +} +#endif #endif /* HSFFI_H */