107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: load_dl.c *
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* comments: dl based dynamic loaderr of external routines *
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* tested on i486-linuxelf *
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*************************************************************************/
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#ifdef _AIX
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#include "Yap.h"
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#include "Yatom.h"
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#include "yapio.h"
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#include "Foreign.h"
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#include <stdio.h>
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#include <errno.h>
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/*
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* FindExecutable(argv[0]) should be called on yap initialization to
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* locate the executable of Yap
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*/
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void
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Yap_FindExecutable(char *name)
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{
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}
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void *
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Yap_LoadForeignFile(char *file, int flags)
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{
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/* not implemented */
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return NULL;
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}
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int
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Yap_CallForeignFile(void *handle, char *f)
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{
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return FALSE;
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}
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int
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Yap_CloseForeignFile(void *handle)
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{
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return -1;
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}
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/*
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* LoadForeign(ofiles,libs,proc_name,init_proc) dynamically loads foreign
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* code files and libraries and locates an initialization routine
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*/
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static Int
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LoadForeign(StringList ofiles, StringList libs,
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char *proc_name, YapInitProc *init_proc)
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{
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extern char *sys_errlist[ ];
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/* load wants to follow the LIBRARY_PATH */
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if (ofiles->next != NULL || libs != NULL) {
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strcpy(Yap_ErrorSay," Load Failed: in AIX you must load a single object file");
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return LOAD_FAILLED;
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}
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if (!Yap_TrueFileName(ofiles->s, Yap_FileNameBuf, TRUE)) {
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strcpy(Yap_ErrorSay, " Trying to open unexisting file in LoadForeign ");
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return LOAD_FAILLED;
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}
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/* In AIX, just call load and everything will go in */
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if ((*init_proc=((YapInitProc *)load(Yap_FileNameBuf,0,NULL))) == NULL) {
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strcpy(Yap_ErrorSay,sys_errlist[errno]);
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return LOAD_FAILLED;
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}
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return LOAD_SUCCEEDED;
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}
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Int
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Yap_LoadForeign(StringList ofiles, StringList libs,
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char *proc_name, YapInitProc *init_proc)
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{
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return LoadForeign(ofiles, libs, proc_name, init_proc);
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}
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void
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Yap_ShutdownLoadForeign(void)
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{
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}
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Int
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Yap_ReLoadForeign(StringList ofiles, StringList libs,
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char *proc_name, YapInitProc *init_proc)
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{
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return(LoadForeign(ofiles,libs, proc_name, init_proc));
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}
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#endif /* _AIX */
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