1995-01-02 19:04:15 +00:00
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/***********************************************************
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1995-01-04 19:12:13 +00:00
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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1995-01-02 19:04:15 +00:00
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All Rights Reserved
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1996-10-25 14:44:06 +00:00
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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1995-01-02 19:04:15 +00:00
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provided that the above copyright notice appear in all copies and that
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1996-10-25 14:44:06 +00:00
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both that copyright notice and this permission notice appear in
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1995-01-02 19:04:15 +00:00
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supporting documentation, and that the names of Stichting Mathematisch
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1996-10-25 14:44:06 +00:00
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Centrum or CWI or Corporation for National Research Initiatives or
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CNRI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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While CWI is the initial source for this software, a modified version
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is made available by the Corporation for National Research Initiatives
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(CNRI) at the Internet address ftp://ftp.python.org.
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STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
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CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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1995-01-02 19:04:15 +00:00
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******************************************************************/
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/* Support for dynamic loading of extension modules */
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/* If no dynamic linking is supported, this file still generates some code! */
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1997-04-29 20:08:16 +00:00
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#include "Python.h"
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1995-01-02 19:04:15 +00:00
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#include "osdefs.h"
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#include "importdl.h"
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/* Explanation of some of the the various #defines used by dynamic linking...
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symbol -- defined for:
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DYNAMIC_LINK -- any kind of dynamic linking
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1995-06-14 22:07:26 +00:00
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USE_RLD -- NeXT dynamic linking
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1995-01-02 19:04:15 +00:00
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USE_DL -- Jack's dl for IRIX 4 or GNU dld with emulation for Jack's dl
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USE_SHLIB -- SunOS or IRIX 5 (SVR4?) shared libraries
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_AIX -- AIX style dynamic linking
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1996-09-11 23:12:24 +00:00
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MS_WIN32 -- Windows NT style dynamic linking (using DLLs)
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MS_WIN16 -- Windows 16-bit dynamic linking (using DLLs)
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1997-11-22 21:53:48 +00:00
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PYOS_OS2 -- IBM OS/2 dynamic linking (using DLLs)
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1995-01-02 19:04:15 +00:00
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_DL_FUNCPTR_DEFINED -- if the typedef dl_funcptr has been defined
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1995-06-14 14:54:25 +00:00
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USE_MAC_DYNAMIC_LOADING -- Mac CFM shared libraries
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1995-01-02 19:04:15 +00:00
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SHORT_EXT -- short extension for dynamic module, e.g. ".so"
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LONG_EXT -- long extension, e.g. "module.so"
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hpux -- HP-UX Dynamic Linking - defined by the compiler
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1995-01-20 16:53:54 +00:00
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__NetBSD__ -- NetBSD shared libraries (not quite SVR4 compatible)
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1996-02-25 05:02:29 +00:00
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__FreeBSD__ -- FreeBSD shared libraries
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1995-01-02 19:04:15 +00:00
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(The other WITH_* symbols are used only once, to set the
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appropriate symbols.)
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*/
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/* Configure dynamic linking */
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1996-01-12 01:17:50 +00:00
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#ifdef __hpux
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1996-08-19 22:12:10 +00:00
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#ifndef hpux
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1996-01-12 01:17:50 +00:00
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#define hpux
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#endif
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1996-08-19 22:12:10 +00:00
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#endif
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1996-01-12 01:17:50 +00:00
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1995-01-02 19:04:15 +00:00
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#ifdef hpux
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#define DYNAMIC_LINK
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#include <errno.h>
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typedef void (*dl_funcptr)();
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#define _DL_FUNCPTR_DEFINED 1
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#define SHORT_EXT ".sl"
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#define LONG_EXT "module.sl"
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#endif
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1997-11-22 21:53:48 +00:00
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#if defined(PYOS_OS2)
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#define DYNAMIC_LINK
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#define INCL_DOSERRORS
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#define INCL_DOSMODULEMGR
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#include <os2.h>
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typedef int (* APIENTRY dl_funcptr)();
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#define _DL_FUNCPTR_DEFINED 1
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#define SHORT_EXT ".pyd"
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#define LONG_EXT ".dll"
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#endif
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1997-05-05 15:03:26 +00:00
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#if defined(__NetBSD__)
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1995-01-20 16:53:54 +00:00
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#define DYNAMIC_LINK
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#define USE_SHLIB
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#define dlerror() "error in dynamic linking"
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#endif
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1996-09-11 23:12:24 +00:00
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#ifdef MS_WINDOWS /* i.e. MS_WIN32 or MS_WIN16 */
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1995-01-02 19:04:15 +00:00
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#define DYNAMIC_LINK
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#include <windows.h>
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typedef FARPROC dl_funcptr;
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#define _DL_FUNCPTR_DEFINED
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1995-01-07 12:36:02 +00:00
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#define SHORT_EXT ".pyd"
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1996-04-09 02:39:15 +00:00
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#define LONG_EXT ".dll"
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1995-01-02 19:04:15 +00:00
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#endif
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1995-06-14 22:07:26 +00:00
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#ifdef NeXT
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1995-01-02 19:04:15 +00:00
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#define DYNAMIC_LINK
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#define USE_RLD
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1997-08-16 14:38:09 +00:00
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#define SHORT_EXT ".so"
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#define LONG_EXT "module.so"
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1995-01-02 19:04:15 +00:00
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#endif
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#ifdef WITH_SGI_DL
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#define DYNAMIC_LINK
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#define USE_DL
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#endif
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#ifdef WITH_DL_DLD
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#define DYNAMIC_LINK
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#define USE_DL
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#endif
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1995-06-14 14:54:25 +00:00
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#ifdef USE_MAC_DYNAMIC_LOADING
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1995-02-13 22:42:34 +00:00
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#define DYNAMIC_LINK
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1995-02-18 14:51:15 +00:00
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#define SHORT_EXT ".slb"
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1996-08-19 22:12:10 +00:00
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#ifdef __CFM68K__
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#define LONG_EXT ".CFM68K.slb"
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#else
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#define LONG_EXT ".ppc.slb"
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#endif
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1995-02-13 22:42:34 +00:00
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#ifndef _DL_FUNCPTR_DEFINED
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typedef void (*dl_funcptr)();
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#endif
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#endif
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1996-08-20 19:59:07 +00:00
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#if !defined(DYNAMIC_LINK) && (defined(HAVE_DLOPEN) || defined(M_UNIX))
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1995-01-02 19:04:15 +00:00
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#define DYNAMIC_LINK
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#define USE_SHLIB
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#endif
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#ifdef _AIX
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1997-07-21 14:54:36 +00:00
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#undef USE_SHLIB /* AIX 4.2 and higher have dlfcn.h but we don't want it */
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1995-01-02 19:04:15 +00:00
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#define DYNAMIC_LINK
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1996-07-31 22:44:53 +00:00
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#define SHORT_EXT ".so"
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#define LONG_EXT "module.so"
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1995-01-02 19:04:15 +00:00
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#include <sys/ldr.h>
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typedef void (*dl_funcptr)();
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#define _DL_FUNCPTR_DEFINED
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1996-07-31 22:44:53 +00:00
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static int aix_getoldmodules(void **);
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static int aix_bindnewmodule(void *, void *);
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static void aix_loaderror(char *);
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1995-01-02 19:04:15 +00:00
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#endif
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#ifdef DYNAMIC_LINK
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#ifdef USE_SHLIB
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1995-06-12 15:51:34 +00:00
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#include <sys/types.h>
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#include <sys/stat.h>
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1997-05-05 15:03:26 +00:00
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#if defined(__NetBSD__)
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1995-01-20 16:53:54 +00:00
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#include <nlist.h>
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#include <link.h>
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#else
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1996-08-20 19:59:07 +00:00
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#ifdef HAVE_DLFCN_H
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1995-01-02 19:04:15 +00:00
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#include <dlfcn.h>
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1995-01-20 16:53:54 +00:00
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#endif
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1996-08-20 19:59:07 +00:00
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#endif
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1995-01-02 19:04:15 +00:00
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#ifndef _DL_FUNCPTR_DEFINED
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typedef void (*dl_funcptr)();
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#endif
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#ifndef RTLD_LAZY
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#define RTLD_LAZY 1
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#endif
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1997-12-02 20:43:18 +00:00
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#ifndef RTLD_GLOBAL
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#define RTLD_GLOBAL 0
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#endif
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1995-01-02 19:04:15 +00:00
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#define SHORT_EXT ".so"
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#define LONG_EXT "module.so"
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#endif /* USE_SHLIB */
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#if defined(USE_DL) || defined(hpux)
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#include "dl.h"
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#endif
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1995-06-14 14:54:25 +00:00
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#ifdef USE_MAC_DYNAMIC_LOADING
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1995-10-23 13:54:01 +00:00
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#include <Aliases.h>
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1995-02-13 22:42:34 +00:00
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#include <CodeFragments.h>
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1997-04-29 20:08:16 +00:00
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#ifdef SYMANTEC__CFM68K__ /* Really an older version of Universal Headers */
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1995-02-18 14:51:15 +00:00
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#define CFragConnectionID ConnectionID
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#define kLoadCFrag 0x01
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#endif
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1995-02-13 22:42:34 +00:00
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#include <Files.h>
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#include "macdefs.h"
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#include "macglue.h"
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#endif
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1995-01-02 19:04:15 +00:00
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#ifdef USE_RLD
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#include <mach-o/rld.h>
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#define FUNCNAME_PATTERN "_init%.200s"
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#ifndef _DL_FUNCPTR_DEFINED
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typedef void (*dl_funcptr)();
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#endif
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#endif /* USE_RLD */
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1997-04-29 20:08:16 +00:00
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extern char *Py_GetProgramName();
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1995-01-02 19:04:15 +00:00
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#ifndef FUNCNAME_PATTERN
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1996-02-25 05:02:29 +00:00
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#if defined(__hp9000s300) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__BORLANDC__)
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1995-01-02 19:04:15 +00:00
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#define FUNCNAME_PATTERN "_init%.200s"
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#else
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#define FUNCNAME_PATTERN "init%.200s"
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#endif
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#endif
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#if !defined(SHORT_EXT) && !defined(LONG_EXT)
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#define SHORT_EXT ".o"
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#define LONG_EXT "module.o"
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#endif /* !SHORT_EXT && !LONG_EXT */
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#endif /* DYNAMIC_LINK */
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1997-04-29 20:08:16 +00:00
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struct filedescr _PyImport_Filetab[] = {
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1995-01-02 19:04:15 +00:00
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#ifdef SHORT_EXT
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{SHORT_EXT, "rb", C_EXTENSION},
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#endif /* !SHORT_EXT */
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#ifdef LONG_EXT
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{LONG_EXT, "rb", C_EXTENSION},
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#endif /* !LONG_EXT */
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{".py", "r", PY_SOURCE},
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{".pyc", "rb", PY_COMPILED},
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{0, 0}
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};
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1996-07-31 17:55:19 +00:00
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#ifdef NO_DYNAMIC_LINK
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#undef DYNAMIC_LINK
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#endif
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|
1997-04-29 20:08:16 +00:00
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PyObject *
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_PyImport_LoadDynamicModule(name, pathname, fp)
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1995-01-02 19:04:15 +00:00
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char *name;
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char *pathname;
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1995-06-12 15:51:34 +00:00
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FILE *fp;
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1995-01-02 19:04:15 +00:00
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{
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#ifndef DYNAMIC_LINK
|
1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError,
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"dynamically linked modules not supported");
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1995-01-02 19:04:15 +00:00
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return NULL;
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#else
|
1997-04-29 20:08:16 +00:00
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PyObject *m, *d, *s;
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1995-01-02 19:04:15 +00:00
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char funcname[258];
|
1997-11-19 18:53:33 +00:00
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char *lastdot, *shortname, *packagecontext;
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1995-01-02 19:04:15 +00:00
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dl_funcptr p = NULL;
|
1995-06-12 15:51:34 +00:00
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#ifdef USE_SHLIB
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static struct {
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dev_t dev;
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ino_t ino;
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void *handle;
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} handles[128];
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static int nhandles = 0;
|
1996-08-09 20:55:05 +00:00
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char pathbuf[260];
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if (strchr(pathname, '/') == NULL) {
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/* Prefix bare filename with "./" */
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sprintf(pathbuf, "./%-.255s", pathname);
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pathname = pathbuf;
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}
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1995-06-12 15:51:34 +00:00
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#endif
|
1997-08-02 03:10:38 +00:00
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if ((m = _PyImport_FindExtension(name, pathname)) != NULL) {
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Py_INCREF(m);
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return m;
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}
|
1997-11-19 18:53:33 +00:00
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lastdot = strrchr(name, '.');
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if (lastdot == NULL) {
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packagecontext = NULL;
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shortname = name;
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}
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else {
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packagecontext = name;
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shortname = lastdot+1;
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}
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sprintf(funcname, FUNCNAME_PATTERN, shortname);
|
1995-06-12 15:51:34 +00:00
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#ifdef USE_SHLIB
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if (fp != NULL) {
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int i;
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struct stat statb;
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fstat(fileno(fp), &statb);
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for (i = 0; i < nhandles; i++) {
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if (statb.st_dev == handles[i].dev &&
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statb.st_ino == handles[i].ino) {
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p = (dl_funcptr) dlsym(handles[i].handle,
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funcname);
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goto got_it;
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}
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}
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if (nhandles < 128) {
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handles[nhandles].dev = statb.st_dev;
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handles[nhandles].ino = statb.st_ino;
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}
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}
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#endif /* USE_SHLIB */
|
1995-06-14 14:54:25 +00:00
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#ifdef USE_MAC_DYNAMIC_LOADING
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/*
|
1997-04-29 20:08:16 +00:00
|
|
|
** Dynamic loading of CFM shared libraries on the Mac. The
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|
** code has become more convoluted than it was, because we
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** want to be able to put multiple modules in a single
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** file. For this reason, we have to determine the fragment
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** name, and we cannot use the library entry point but we have
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** to locate the correct init routine "by hand".
|
1995-06-14 14:54:25 +00:00
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*/
|
1995-02-13 22:42:34 +00:00
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{
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|
|
FSSpec libspec;
|
|
|
|
CFragConnectionID connID;
|
1995-02-18 14:51:15 +00:00
|
|
|
Ptr mainAddr;
|
|
|
|
Str255 errMessage;
|
|
|
|
OSErr err;
|
1995-06-14 14:54:25 +00:00
|
|
|
Boolean isfolder, didsomething;
|
|
|
|
char buf[512];
|
|
|
|
Str63 fragname;
|
|
|
|
Ptr symAddr;
|
|
|
|
CFragSymbolClass class;
|
1995-02-13 22:42:34 +00:00
|
|
|
|
1995-06-14 14:54:25 +00:00
|
|
|
/* First resolve any aliases to find the real file */
|
1995-02-13 22:42:34 +00:00
|
|
|
(void)FSMakeFSSpec(0, 0, Pstring(pathname), &libspec);
|
1995-06-14 14:54:25 +00:00
|
|
|
err = ResolveAliasFile(&libspec, 1, &isfolder, &didsomething);
|
|
|
|
if ( err ) {
|
1997-04-30 19:07:54 +00:00
|
|
|
sprintf(buf, "%.255s: %.200s",
|
|
|
|
pathname, PyMac_StrError(err));
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, buf);
|
1995-06-14 14:54:25 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1997-04-29 20:08:16 +00:00
|
|
|
/* Next, determine the fragment name,
|
|
|
|
by stripping '.slb' and 'module' */
|
1995-06-14 14:54:25 +00:00
|
|
|
memcpy(fragname+1, libspec.name+1, libspec.name[0]);
|
|
|
|
fragname[0] = libspec.name[0];
|
1997-04-29 20:08:16 +00:00
|
|
|
if( strncmp((char *)(fragname+1+fragname[0]-4),
|
|
|
|
".slb", 4) == 0 )
|
1995-06-14 14:54:25 +00:00
|
|
|
fragname[0] -= 4;
|
1997-04-29 20:08:16 +00:00
|
|
|
if ( strncmp((char *)(fragname+1+fragname[0]-6),
|
|
|
|
"module", 6) == 0 )
|
1995-06-14 14:54:25 +00:00
|
|
|
fragname[0] -= 6;
|
1997-04-29 20:08:16 +00:00
|
|
|
/* Load the fragment
|
|
|
|
(or return the connID if it is already loaded */
|
1995-06-14 14:54:25 +00:00
|
|
|
err = GetDiskFragment(&libspec, 0, 0, fragname,
|
1995-02-18 14:51:15 +00:00
|
|
|
kLoadCFrag, &connID, &mainAddr,
|
|
|
|
errMessage);
|
1995-02-13 22:42:34 +00:00
|
|
|
if ( err ) {
|
1997-04-30 19:07:54 +00:00
|
|
|
sprintf(buf, "%.*s: %.200s",
|
|
|
|
errMessage[0], errMessage+1,
|
1997-04-29 20:08:16 +00:00
|
|
|
PyMac_StrError(err));
|
|
|
|
PyErr_SetString(PyExc_ImportError, buf);
|
1995-02-13 22:42:34 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1995-06-14 14:54:25 +00:00
|
|
|
/* Locate the address of the correct init function */
|
|
|
|
err = FindSymbol(connID, Pstring(funcname), &symAddr, &class);
|
|
|
|
if ( err ) {
|
1997-04-30 19:07:54 +00:00
|
|
|
sprintf(buf, "%s: %.200s",
|
|
|
|
funcname, PyMac_StrError(err));
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, buf);
|
1995-06-14 14:54:25 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
p = (dl_funcptr)symAddr;
|
1995-02-13 22:42:34 +00:00
|
|
|
}
|
1995-06-14 14:54:25 +00:00
|
|
|
#endif /* USE_MAC_DYNAMIC_LOADING */
|
1995-01-02 19:04:15 +00:00
|
|
|
#ifdef USE_SHLIB
|
|
|
|
{
|
|
|
|
#ifdef RTLD_NOW
|
|
|
|
/* RTLD_NOW: resolve externals now
|
|
|
|
(i.e. core dump now if some are missing) */
|
1997-12-02 20:43:18 +00:00
|
|
|
void *handle = dlopen(pathname, RTLD_NOW | RTLD_GLOBAL);
|
1995-01-02 19:04:15 +00:00
|
|
|
#else
|
|
|
|
void *handle;
|
1997-04-29 20:08:16 +00:00
|
|
|
if (Py_VerboseFlag)
|
1997-12-02 20:43:18 +00:00
|
|
|
printf("dlopen(\"%s\", %d);\n", pathname,
|
|
|
|
RTLD_LAZY | RTLD_GLOBAL);
|
|
|
|
handle = dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
|
1995-01-02 19:04:15 +00:00
|
|
|
#endif /* RTLD_NOW */
|
|
|
|
if (handle == NULL) {
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, dlerror());
|
1995-01-02 19:04:15 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1995-06-12 15:51:34 +00:00
|
|
|
if (fp != NULL && nhandles < 128)
|
|
|
|
handles[nhandles++].handle = handle;
|
1995-01-02 19:04:15 +00:00
|
|
|
p = (dl_funcptr) dlsym(handle, funcname);
|
|
|
|
}
|
|
|
|
#endif /* USE_SHLIB */
|
|
|
|
#ifdef _AIX
|
1996-07-31 22:44:53 +00:00
|
|
|
/*
|
|
|
|
-- Invoke load() with L_NOAUTODEFER leaving the imported symbols
|
|
|
|
-- of the shared module unresolved. Thus we have to resolve them
|
|
|
|
-- explicitely with loadbind. The new module is loaded, then we
|
|
|
|
-- resolve its symbols using the list of already loaded modules
|
|
|
|
-- (only those that belong to the python executable). Get these
|
|
|
|
-- with loadquery(L_GETINFO).
|
|
|
|
*/
|
|
|
|
{
|
|
|
|
static void *staticmodlistptr = NULL;
|
|
|
|
|
|
|
|
if (!staticmodlistptr)
|
|
|
|
if (aix_getoldmodules(&staticmodlistptr) == -1)
|
|
|
|
return NULL;
|
|
|
|
p = (dl_funcptr) load(pathname, L_NOAUTODEFER, 0);
|
|
|
|
if (p == NULL) {
|
|
|
|
aix_loaderror(pathname);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (aix_bindnewmodule((void *)p, staticmodlistptr) == -1) {
|
|
|
|
aix_loaderror(pathname);
|
|
|
|
return NULL;
|
|
|
|
}
|
1995-01-02 19:04:15 +00:00
|
|
|
}
|
|
|
|
#endif /* _AIX */
|
1996-09-11 23:12:24 +00:00
|
|
|
#ifdef MS_WIN32
|
1995-01-02 19:04:15 +00:00
|
|
|
{
|
|
|
|
HINSTANCE hDLL;
|
|
|
|
hDLL = LoadLibrary(pathname);
|
|
|
|
if (hDLL==NULL){
|
1995-07-18 14:40:09 +00:00
|
|
|
char errBuf[256];
|
|
|
|
unsigned int errorCode;
|
|
|
|
|
|
|
|
/* Get an error string from Win32 error code */
|
1997-04-29 20:08:16 +00:00
|
|
|
char theInfo[256]; /* Pointer to error text
|
|
|
|
from system */
|
|
|
|
int theLength; /* Length of error text */
|
1995-07-18 14:40:09 +00:00
|
|
|
|
|
|
|
errorCode = GetLastError();
|
|
|
|
|
1997-04-29 20:08:16 +00:00
|
|
|
theLength = FormatMessage(
|
|
|
|
FORMAT_MESSAGE_FROM_SYSTEM, /* flags */
|
|
|
|
NULL, /* message source */
|
|
|
|
errorCode, /* the message (error) ID */
|
|
|
|
0, /* default language environment */
|
|
|
|
(LPTSTR) theInfo, /* the buffer */
|
|
|
|
sizeof(theInfo), /* the buffer size */
|
|
|
|
NULL); /* no additional format args. */
|
|
|
|
|
|
|
|
/* Problem: could not get the error message.
|
|
|
|
This should not happen if called correctly. */
|
1995-07-18 14:40:09 +00:00
|
|
|
if (theLength == 0) {
|
1997-04-29 20:08:16 +00:00
|
|
|
sprintf(errBuf,
|
|
|
|
"DLL load failed with error code %d",
|
|
|
|
errorCode);
|
1995-07-18 14:40:09 +00:00
|
|
|
} else {
|
|
|
|
int len;
|
1997-04-29 20:08:16 +00:00
|
|
|
/* For some reason a \r\n
|
|
|
|
is appended to the text */
|
|
|
|
if (theLength >= 2 &&
|
|
|
|
theInfo[theLength-2] == '\r' &&
|
|
|
|
theInfo[theLength-1] == '\n') {
|
1995-07-18 14:40:09 +00:00
|
|
|
theLength -= 2;
|
|
|
|
theInfo[theLength] = '\0';
|
|
|
|
}
|
|
|
|
strcpy(errBuf, "DLL load failed: ");
|
|
|
|
len = strlen(errBuf);
|
1997-04-29 20:08:16 +00:00
|
|
|
strncpy(errBuf+len, theInfo,
|
|
|
|
sizeof(errBuf)-len);
|
1995-07-18 14:40:09 +00:00
|
|
|
errBuf[sizeof(errBuf)-1] = '\0';
|
|
|
|
}
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, errBuf);
|
1995-01-02 19:04:15 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
p = GetProcAddress(hDLL, funcname);
|
|
|
|
}
|
1996-09-11 23:12:24 +00:00
|
|
|
#endif /* MS_WIN32 */
|
|
|
|
#ifdef MS_WIN16
|
1996-05-23 22:51:40 +00:00
|
|
|
{
|
|
|
|
HINSTANCE hDLL;
|
|
|
|
hDLL = LoadLibrary(pathname);
|
|
|
|
if (hDLL < HINSTANCE_ERROR){
|
|
|
|
char errBuf[256];
|
1997-04-29 20:08:16 +00:00
|
|
|
sprintf(errBuf,
|
|
|
|
"DLL load failed with error code %d", hDLL);
|
|
|
|
PyErr_SetString(PyExc_ImportError, errBuf);
|
1996-05-23 22:51:40 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
p = GetProcAddress(hDLL, funcname);
|
|
|
|
}
|
1996-09-11 23:12:24 +00:00
|
|
|
#endif /* MS_WIN16 */
|
1997-11-22 21:53:48 +00:00
|
|
|
|
|
|
|
#if defined(PYOS_OS2)
|
|
|
|
{
|
|
|
|
APIRET rc;
|
|
|
|
HMODULE hDLL;
|
|
|
|
char failreason[256];
|
|
|
|
|
|
|
|
rc = DosLoadModule(failreason,
|
|
|
|
sizeof(failreason),
|
|
|
|
pathname,
|
|
|
|
&hDLL);
|
|
|
|
|
|
|
|
if (rc != NO_ERROR) {
|
|
|
|
char errBuf[256];
|
|
|
|
sprintf(errBuf,
|
|
|
|
"DLL load failed, rc = %d, problem '%s': %s", rc, failreason);
|
|
|
|
PyErr_SetString(PyExc_ImportError, errBuf);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
|
|
|
|
if (rc != NO_ERROR)
|
|
|
|
p = NULL; /* Signify Failure to Acquire Entrypoint */
|
|
|
|
}
|
|
|
|
#endif /* PYOS_OS2 */
|
|
|
|
|
1995-01-02 19:04:15 +00:00
|
|
|
#ifdef USE_DL
|
1997-04-29 20:08:16 +00:00
|
|
|
p = dl_loadmod(Py_GetProgramName(), pathname, funcname);
|
1995-01-02 19:04:15 +00:00
|
|
|
#endif /* USE_DL */
|
|
|
|
#ifdef USE_RLD
|
|
|
|
{
|
|
|
|
NXStream *errorStream;
|
|
|
|
struct mach_header *new_header;
|
|
|
|
const char *filenames[2];
|
|
|
|
long ret;
|
|
|
|
unsigned long ptr;
|
|
|
|
|
|
|
|
errorStream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
|
|
|
|
filenames[0] = pathname;
|
|
|
|
filenames[1] = NULL;
|
|
|
|
ret = rld_load(errorStream, &new_header,
|
|
|
|
filenames, NULL);
|
|
|
|
|
|
|
|
/* extract the error messages for the exception */
|
|
|
|
if(!ret) {
|
|
|
|
char *streamBuf;
|
|
|
|
int len, maxLen;
|
|
|
|
|
|
|
|
NXPutc(errorStream, (char)0);
|
|
|
|
|
|
|
|
NXGetMemoryBuffer(errorStream,
|
|
|
|
&streamBuf, &len, &maxLen);
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, streamBuf);
|
1995-01-02 19:04:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if(ret && rld_lookup(errorStream, funcname, &ptr))
|
|
|
|
p = (dl_funcptr) ptr;
|
|
|
|
|
|
|
|
NXCloseMemory(errorStream, NX_FREEBUFFER);
|
|
|
|
|
|
|
|
if(!ret)
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
#endif /* USE_RLD */
|
|
|
|
#ifdef hpux
|
|
|
|
{
|
|
|
|
shl_t lib;
|
|
|
|
int flags;
|
|
|
|
|
1996-12-05 23:15:35 +00:00
|
|
|
flags = BIND_FIRST | BIND_DEFERRED;
|
1997-04-29 20:08:16 +00:00
|
|
|
if (Py_VerboseFlag)
|
1995-01-02 19:04:15 +00:00
|
|
|
{
|
1997-04-29 20:08:16 +00:00
|
|
|
flags = DYNAMIC_PATH | BIND_FIRST | BIND_IMMEDIATE |
|
|
|
|
BIND_NONFATAL | BIND_VERBOSE;
|
1995-01-02 19:04:15 +00:00
|
|
|
printf("shl_load %s\n",pathname);
|
|
|
|
}
|
|
|
|
lib = shl_load(pathname, flags, 0);
|
|
|
|
if (lib == NULL)
|
|
|
|
{
|
|
|
|
char buf[256];
|
1997-04-29 20:08:16 +00:00
|
|
|
if (Py_VerboseFlag)
|
1995-01-02 19:04:15 +00:00
|
|
|
perror(pathname);
|
|
|
|
sprintf(buf, "Failed to load %.200s", pathname);
|
1997-04-29 20:08:16 +00:00
|
|
|
PyErr_SetString(PyExc_ImportError, buf);
|
1995-01-02 19:04:15 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1997-04-29 20:08:16 +00:00
|
|
|
if (Py_VerboseFlag)
|
1995-01-02 19:04:15 +00:00
|
|
|
printf("shl_findsym %s\n", funcname);
|
|
|
|
shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
|
1997-04-29 20:08:16 +00:00
|
|
|
if (p == NULL && Py_VerboseFlag)
|
1995-01-02 19:04:15 +00:00
|
|
|
perror(funcname);
|
|
|
|
}
|
|
|
|
#endif /* hpux */
|
1997-04-09 19:24:53 +00:00
|
|
|
#ifdef USE_SHLIB
|
1995-06-12 15:51:34 +00:00
|
|
|
got_it:
|
1997-04-09 19:24:53 +00:00
|
|
|
#endif
|
1995-01-02 19:04:15 +00:00
|
|
|
if (p == NULL) {
|
1997-11-19 18:53:33 +00:00
|
|
|
PyErr_Format(PyExc_ImportError,
|
|
|
|
"dynamic module does not define init function (%s)",
|
|
|
|
funcname);
|
1995-01-02 19:04:15 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1997-11-19 18:53:33 +00:00
|
|
|
_Py_PackageContext = packagecontext;
|
1995-01-02 19:04:15 +00:00
|
|
|
(*p)();
|
1997-11-19 18:53:33 +00:00
|
|
|
_Py_PackageContext = NULL;
|
1997-08-02 03:10:38 +00:00
|
|
|
if (PyErr_Occurred())
|
|
|
|
return NULL;
|
|
|
|
if (_PyImport_FixupExtension(name, pathname) == NULL)
|
|
|
|
return NULL;
|
1995-01-02 19:04:15 +00:00
|
|
|
|
1997-07-21 14:54:36 +00:00
|
|
|
m = PyDict_GetItemString(PyImport_GetModuleDict(), name);
|
1995-01-02 19:04:15 +00:00
|
|
|
if (m == NULL) {
|
1997-08-02 03:10:38 +00:00
|
|
|
PyErr_SetString(PyExc_SystemError,
|
|
|
|
"dynamic module not initialized properly");
|
1995-01-02 19:04:15 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
1996-08-19 22:12:10 +00:00
|
|
|
/* Remember the filename as the __file__ attribute */
|
1997-04-29 20:08:16 +00:00
|
|
|
d = PyModule_GetDict(m);
|
|
|
|
s = PyString_FromString(pathname);
|
|
|
|
if (s == NULL || PyDict_SetItemString(d, "__file__", s) != 0)
|
|
|
|
PyErr_Clear(); /* Not important enough to report */
|
|
|
|
Py_XDECREF(s);
|
|
|
|
if (Py_VerboseFlag)
|
1995-01-02 19:04:15 +00:00
|
|
|
fprintf(stderr,
|
|
|
|
"import %s # dynamically loaded from %s\n",
|
|
|
|
name, pathname);
|
1997-04-29 20:08:16 +00:00
|
|
|
Py_INCREF(m);
|
1995-01-02 19:04:15 +00:00
|
|
|
return m;
|
|
|
|
#endif /* DYNAMIC_LINK */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef _AIX
|
|
|
|
|
1996-07-31 22:44:53 +00:00
|
|
|
#include <ctype.h> /* for isdigit() */
|
|
|
|
#include <errno.h> /* for global errno */
|
|
|
|
#include <string.h> /* for strerror() */
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#include <stdlib.h> /* for malloc(), free() */
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typedef struct Module {
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struct Module *next;
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void *entry;
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} Module, *ModulePtr;
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static int
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aix_getoldmodules(modlistptr)
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void **modlistptr;
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{
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register ModulePtr modptr, prevmodptr;
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register struct ld_info *ldiptr;
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register char *ldibuf;
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register int errflag, bufsize = 1024;
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register unsigned int offset;
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/*
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-- Get the list of loaded modules into ld_info structures.
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*/
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if ((ldibuf = malloc(bufsize)) == NULL) {
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1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError, strerror(errno));
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1996-07-31 22:44:53 +00:00
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return -1;
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}
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while ((errflag = loadquery(L_GETINFO, ldibuf, bufsize)) == -1
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&& errno == ENOMEM) {
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free(ldibuf);
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bufsize += 1024;
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if ((ldibuf = malloc(bufsize)) == NULL) {
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1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError, strerror(errno));
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1996-07-31 22:44:53 +00:00
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return -1;
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}
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}
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if (errflag == -1) {
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1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError, strerror(errno));
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1996-07-31 22:44:53 +00:00
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return -1;
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}
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/*
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-- Make the modules list from the ld_info structures.
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*/
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ldiptr = (struct ld_info *)ldibuf;
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prevmodptr = NULL;
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do {
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1997-10-10 17:40:00 +00:00
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if (strstr(ldiptr->ldinfo_filename, "python") == NULL) {
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/*
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-- Extract only the modules containing "python" as a
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-- substring, like the "python[version]" executable or
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-- "libpython[version].a" in case python is embedded.
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*/
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offset = (unsigned int)ldiptr->ldinfo_next;
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ldiptr = (struct ld_info *)((unsigned int)
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ldiptr + offset);
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continue;
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}
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1996-07-31 22:44:53 +00:00
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if ((modptr = (ModulePtr)malloc(sizeof(Module))) == NULL) {
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1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError, strerror(errno));
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1996-07-31 22:44:53 +00:00
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while (*modlistptr) {
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modptr = (ModulePtr)*modlistptr;
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*modlistptr = (void *)modptr->next;
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free(modptr);
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}
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return -1;
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}
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modptr->entry = ldiptr->ldinfo_dataorg;
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modptr->next = NULL;
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if (prevmodptr == NULL)
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*modlistptr = (void *)modptr;
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else
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prevmodptr->next = modptr;
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prevmodptr = modptr;
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offset = (unsigned int)ldiptr->ldinfo_next;
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ldiptr = (struct ld_info *)((unsigned int)ldiptr + offset);
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} while (offset);
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free(ldibuf);
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return 0;
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}
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static int
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aix_bindnewmodule(newmoduleptr, modlistptr)
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void *newmoduleptr;
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void *modlistptr;
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{
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register ModulePtr modptr;
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/*
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-- Bind the new module with the list of loaded modules.
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*/
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for (modptr = (ModulePtr)modlistptr; modptr; modptr = modptr->next)
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if (loadbind(0, modptr->entry, newmoduleptr) != 0)
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return -1;
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return 0;
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}
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1995-01-02 19:04:15 +00:00
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1996-07-31 22:44:53 +00:00
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static void
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aix_loaderror(pathname)
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char *pathname;
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1995-01-02 19:04:15 +00:00
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{
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1996-06-26 21:07:08 +00:00
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char *message[1024], errbuf[1024];
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1996-07-31 22:44:53 +00:00
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register int i,j;
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1995-01-02 19:04:15 +00:00
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struct errtab {
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1996-07-31 22:44:53 +00:00
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int errNo;
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1995-01-02 19:04:15 +00:00
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char *errstr;
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} load_errtab[] = {
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1995-06-12 15:51:34 +00:00
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{L_ERROR_TOOMANY, "too many errors, rest skipped."},
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1995-01-02 19:04:15 +00:00
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{L_ERROR_NOLIB, "can't load library:"},
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{L_ERROR_UNDEF, "can't find symbol in library:"},
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{L_ERROR_RLDBAD,
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"RLD index out of range or bad relocation type:"},
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{L_ERROR_FORMAT, "not a valid, executable xcoff file:"},
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{L_ERROR_MEMBER,
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"file not an archive or does not contain requested member:"},
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{L_ERROR_TYPE, "symbol table mismatch:"},
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1996-06-26 21:07:08 +00:00
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{L_ERROR_ALIGN, "text alignment in file is wrong."},
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1995-01-02 19:04:15 +00:00
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{L_ERROR_SYSTEM, "System error:"},
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{L_ERROR_ERRNO, NULL}
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};
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#define LOAD_ERRTAB_LEN (sizeof(load_errtab)/sizeof(load_errtab[0]))
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#define ERRBUF_APPEND(s) strncat(errbuf, s, sizeof(errbuf)-strlen(errbuf)-1)
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1996-07-31 22:44:53 +00:00
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sprintf(errbuf, "from module %.200s ", pathname);
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1995-01-02 19:04:15 +00:00
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1996-07-31 22:44:53 +00:00
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if (!loadquery(L_GETMESSAGES, &message[0], sizeof(message))) {
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1995-01-02 19:04:15 +00:00
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ERRBUF_APPEND(strerror(errno));
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1996-06-26 21:07:08 +00:00
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ERRBUF_APPEND("\n");
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}
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1995-01-02 19:04:15 +00:00
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for(i = 0; message[i] && *message[i]; i++) {
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int nerr = atoi(message[i]);
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for (j=0; j<LOAD_ERRTAB_LEN ; j++) {
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1996-07-31 22:44:53 +00:00
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if (nerr == load_errtab[j].errNo && load_errtab[j].errstr)
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1996-06-26 21:07:08 +00:00
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ERRBUF_APPEND(load_errtab[j].errstr);
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1995-01-02 19:04:15 +00:00
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}
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while (isdigit(*message[i])) message[i]++ ;
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ERRBUF_APPEND(message[i]);
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ERRBUF_APPEND("\n");
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}
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errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */
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1997-04-29 20:08:16 +00:00
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PyErr_SetString(PyExc_ImportError, errbuf);
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1995-01-02 19:04:15 +00:00
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return;
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}
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#endif /* _AIX */
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