blob: e435cd895c6ef9214da4106e298e45a99474fae1 [file] [log] [blame]
Guido van Rossum22a1d361999-12-20 21:18:49 +00001
2/* Support for dynamic loading of extension modules */
3
4#include "dl.h"
5#include <errno.h>
6
7#include "Python.h"
8#include "importdl.h"
9
Guido van Rossum96a8fb71999-12-22 14:09:35 +000010#if defined(__hp9000s300)
11#define FUNCNAME_PATTERN "_init%.200s"
12#else
13#define FUNCNAME_PATTERN "init%.200s"
14#endif
Guido van Rossum22a1d361999-12-20 21:18:49 +000015
16const struct filedescr _PyImport_DynLoadFiletab[] = {
17 {".sl", "rb", C_EXTENSION},
18 {"module.sl", "rb", C_EXTENSION},
19 {0, 0}
20};
21
Guido van Rossum96a8fb71999-12-22 14:09:35 +000022dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
Guido van Rossum22a1d361999-12-20 21:18:49 +000023 const char *pathname, FILE *fp)
24{
25 dl_funcptr p;
26 shl_t lib;
27 int flags;
Guido van Rossum96a8fb71999-12-22 14:09:35 +000028 char funcname[258];
Guido van Rossum22a1d361999-12-20 21:18:49 +000029
30 flags = BIND_FIRST | BIND_DEFERRED;
31 if (Py_VerboseFlag) {
32 flags = DYNAMIC_PATH | BIND_FIRST | BIND_IMMEDIATE |
33 BIND_NONFATAL | BIND_VERBOSE;
34 printf("shl_load %s\n",pathname);
35 }
36 lib = shl_load(pathname, flags, 0);
37 /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
38 if (lib == NULL) {
39 char buf[256];
40 if (Py_VerboseFlag)
41 perror(pathname);
42 sprintf(buf, "Failed to load %.200s", pathname);
43 PyErr_SetString(PyExc_ImportError, buf);
44 return NULL;
45 }
Guido van Rossum96a8fb71999-12-22 14:09:35 +000046 sprintf(funcname, FUNCNAME_PATTERN, shortname);
Guido van Rossum22a1d361999-12-20 21:18:49 +000047 if (Py_VerboseFlag)
48 printf("shl_findsym %s\n", funcname);
49 shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
50 if (p == NULL && Py_VerboseFlag)
51 perror(funcname);
52
53 return p;
54}