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#include <stdio.h>
#include "../dld/dld.h"
typedef void (*function) ();
typedef char Name[256];
static function epoints[20];
static Name nom_functions[20];
static int lastlink=0;
#if defined(__STDC__)
extern void getpro_(char *,long int);
extern char * dld_strerror(int code);
#else
extern void getpro_();
extern char * dld_strerror();
#endif
#define DLDLINK
int dyninit_()
{
static int err=0;
static int initialised=0;
char str[1000];
/* required initialization. */
if (!initialised)
{
char prog[200];
getpro_(prog,sizeof(prog)-1);
sciprint("Link Initialisation");
err = dld_init (dld_find_executable(prog));
sciprint(" %s\n",dld_find_executable(prog));
if(!err)
initialised=1;
else {
sciprint("dld_init error %s\n",dld_strerror(err));
}
};
return err;
}
/* print out all the undefined symbols */
void list_undefined () {
char str[1000];
char **list = dld_list_undefined_sym ();
if (list) {
register int i;
sciprint("There are a total of %d undefined symbols:\n",
dld_undefined_sym_count);
for (i = 0; i < dld_undefined_sym_count; i++)
sciprint("%d: %s\n", i+1, list[i]);
} else
sciprint("No undefined symbols\n");
}
#define MAXCHAR 256
#if defined(__STDC__)
int dynload_(int *ii,char ename1[],char loaded_files[],int *err)
#else
int dynload_(ii,ename1,loaded_files,err)
int *ii;char ename1[],loaded_files[];int *err;
#endif
{
function func;
char current_object_file[MAXCHAR];
int i,j;
char current_char;
#ifdef DEBUG
sciprint("ename1 [%s]\r\n",ename1);
sciprint("lastlink %d, entry=%d\n",lastlink,*ii);
#endif
sciprint("linking \"%s\" defined in \"%s\"\n", ename1,loaded_files);
*err = 0;
if ( (*err = dyninit_())) return; /* Error on init */
/* on scane et on charge the objects files */
/* unloading if necessary */
i = 0;j=0;
while (1){
current_char = loaded_files[i];
if((current_char == ' ') || (current_char == '\0') || (i == strlen(loaded_files)))
{
current_object_file[j] = '\0';
if(strlen(current_object_file)>0){
/** if this file was previously linked i must unlink it **/
if ( *ii < lastlink )
{
dld_unlink_by_file (current_object_file,1);
#ifdef DEBUG
sciprint("unloading : \"%s\"\r\n",current_object_file);
#endif
};
};
j = -1;
if(loaded_files[i] == '\0') break;
}
else
{
current_object_file[j] = loaded_files[i];
}
i++;j++;
if ( j > MAXCHAR )
{
*err=1 ;
sciprint("filename too long");
};
};
/* loading */
i = 0;j=0;
while (1){
current_char = loaded_files[i];
if((current_char == ' ') || (current_char == '\0') || (i == strlen(loaded_files)))
{
current_object_file[j] = '\0';
if(strlen(current_object_file)>0){
#ifdef DEBUG
sciprint("loading : \"%s\"\r\n",current_object_file);
#endif
*err = dld_link (current_object_file);
if(*err){
sciprint("problem when loading : \"%s\"\n",current_object_file);
sciprint("dld_link error %s \n",dld_strerror (*err));
return;
};
};
j = -1;
if(loaded_files[i] == '\0') break;
}
else
{
current_object_file[j] = loaded_files[i];
}
i++;j++;
if ( j > MAXCHAR )
{
*err=1 ;
sciprint("filename too long");
};
};
/* grap the entry point for function "ename" */
if (dld_function_executable_p (ename1))
{
func = (function) dld_get_func (ename1);
if ( func == (function) 0)
{
sciprint("error when finding \"%s\" in \"%s\"\n",ename1,loaded_files);
sciprint("dld_get_func error %s\n",dld_strerror (*err));
*err=1;
return;
};
#ifdef DEBUG
sciprint("procedure numero %d \"%s\" located in \"%s\"\r\n",*ii,ename1,loaded_files);
#endif
epoints[*ii] = func;
strcpy(nom_functions[*ii],ename1);
lastlink=lastlink+1;
}
else
{
sciprint("error [%s] not executable \n",ename1);
list_undefined ();
*err=1;
};
};
/*
Lancement dynamique de l'execution d'un sous programme liee
par dynload
i : numero d'ordre du point d'entree a executer
xi,yi,zi : parametres formels (il n'est pas necessaire de tous les
satisfaire).
Origine S. Steer INRIA 1988
*/
void dyncall_(i,
x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,
y0,y1,y2,y3,y4,y5,y6,y7,y8,y9,
z0,z1,z2,z3,z4,z5,z6,z7,z8,z9)
int *i;
int *x0,*x1,*x2,*x3,*x4,*x5,*x6,*x7,*x8,*x9;
int *y0,*y1,*y2,*y3,*y4,*y5,*y6,*y7,*y8,*y9;
int *z0,*z1,*z2,*z3,*z4,*z5,*z6,*z7,*z8,*z9;
{
#ifdef DEBUG
sciprint("dbut procedure numero %d : %s\r\n",*i,nom_functions[*i]);
#endif
(epoints[*i])(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,
y0,y1,y2,y3,y4,y5,y6,y7,y8,y9,
z0,z1,z2,z3,z4,z5,z6,z7,z8,z9);
#ifdef DEBUG
sciprint("fin de procedure %s\r\n",nom_functions[*i]);
#endif
return;
}
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