cpython/Python/dynload_shlib.c

/* Support for dynamic loading of extension modules */

#include "Python.h"
#include "pycore_interp.h"    // _PyInterpreterState.dlopenflags
#include "pycore_pystate.h"   // _PyInterpreterState_GET()
#include "pycore_importdl.h"

#include <sys/types.h>
#include <sys/stat.h>

#if defined(__NetBSD__)
#include <sys/param.h>
#if (NetBSD < 199712)
#include <nlist.h>
#include <link.h>
#define dlerror …
#endif
#endif /* NetBSD */

#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#if (defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__)
#define LEAD_UNDERSCORE …
#else
#define LEAD_UNDERSCORE …
#endif

/* The .so extension module ABI tag, supplied by the Makefile via
   Makefile.pre.in and configure.  This is used to discriminate between
   incompatible .so files so that extensions for different Python builds can
   live in the same directory.  E.g. foomodule.cpython-32.so
*/

const char *_PyImport_DynLoadFiletab[] = …;


dl_funcptr
_PyImport_FindSharedFuncptr(const char *prefix,
                            const char *shortname,
                            const char *pathname, FILE *fp)
{ … }