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yap-6.3/H/Foreign.h

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/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-97 *
* *
**************************************************************************
* *
* File: Foreign.h *
* comments: header file for dynamic loading routines *
*************************************************************************/
#define NO_DYN 1
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#ifndef FOREIGN_H
#define FOREIGN_H
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/**
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@:
@file Foreign.h
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load_foreign_files/3 has works for the following configurations:
- linux: should work both for a.out (untested by me) and ELF;
- WIN32: works (notice that symbols are not exported by default)
- OSX: works using Mach dynamic libs.
- osf: should work, but isn't working yet.
- sunos4: should work, using A.OUT format;
- svr4, eg solaris: should work, using ELF format;
- AIX: should work for 3.2 and 4.1 at least, using ECOFF;
YAP should be able to load on most BSD Unixes, but you will need to
say that here.
YAP also supports COFF loading (pretty much the same technique as
used for A.OUT loading) but that is untested so far.
*/
#ifdef _AIX
#undef NO_DYN
#endif /* __AIX */
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#ifdef HAVE_DLOPEN
#define LOAD_DL 1
#ifdef NO_DYN
#undef NO_DYN
#endif
#endif /* LOAD_DL */
#if defined(sparc) || defined(__sparc)
#undef NO_DYN
#if (!defined(__svr4__) && !defined(__SVR4))
#define A_OUT 1
#else
#ifdef SIMICS
#define NO_DYN 1
#else
#define LOAD_DL 1
#endif
#endif
#endif
#if defined(_WIN32)
#ifdef NO_DYN
#undef NO_DYN
#define LOAD_DLL 1
#endif
#if LOAD_DL
#undef LOAD_DL
#endif
#endif
#ifdef __hpux
#ifdef NO_DYN
#undef NO_DYN
#endif
#define LOAD_SHL 1
#endif
#ifdef HAVE_NSLINKMODULE
#ifdef NO_DYN
#undef NO_DYN
#endif
#if !HAVE_DLOPEN
#define LOAD_DYLD 1
#endif
#endif /* LOAD_DYLD */
#define LOAD_SUCCEEDED 0
#define LOAD_FAILLED -1
typedef struct StringListItem {
Atom name;
void *handle;
struct StringListItem *next;
} StringListItem, *StringList;
typedef struct ForeignLoadItem {
StringList objs;
StringList libs;
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Atom f;
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Term module;
struct ForeignLoadItem *next;
} ForeignObj;
typedef void (*YapInitProc)(void);
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void *Yap_LoadForeignFile(char *, int);
int Yap_CallForeignFile(void *, char *);
int Yap_CloseForeignFile(void *);
Int Yap_LoadForeign(StringList, StringList, char *, YapInitProc *);
Int Yap_ReLoadForeign(StringList, StringList, char *, YapInitProc *);
void Yap_ReOpenLoadForeign(void);
void Yap_ShutdownLoadForeign(void);
#define EAGER_LOADING 1
#define GLOBAL_LOADING 2
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#endif