* See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclInt.h"

#ifndef MODULE_SCOPE
#   define MODULE_SCOPE extern
#endif

/*
 * Use preferred dlfcn API on 10.4 and later
 */

#ifndef TCL_DYLD_USE_DLFCN

TclpDlopen(
    Tcl_Interp *interp,		/* Used for error reporting. */
    Tcl_Obj *pathPtr,		/* Name of the file containing the desired
				 * code (UTF-8). */
    Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded
				 * file which will be passed back to
				 * (*unloadProcPtr)() to unload the file. */
    Tcl_FSUnloadFileProc **unloadProcPtr,
				/* Filled with address of Tcl_FSUnloadFileProc
				 * function which should be used for this
				 * file. */
    int flags)
{
    Tcl_DyldLoadHandle *dyldLoadHandle;
    Tcl_LoadHandle newHandle;
    void *dlHandle = NULL;
#if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY)
    const struct mach_header *dyldLibHeader = NULL;
    Tcl_DyldModuleHandle *modulePtr = NULL;

		 * attempt to load it as a MH_BUNDLE.
		 */

		err = NSCreateObjectFileImageFromFile(nativePath,
			&dyldObjFileImage);
		if (err == NSObjectFileImageSuccess && dyldObjFileImage) {
		    module = NSLinkModule(dyldObjFileImage, nativePath,
			    NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_PRIVATE
			    | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
		    NSDestroyObjectFileImage(dyldObjFileImage);
		    if (module) {
			modulePtr = ckalloc(sizeof(Tcl_DyldModuleHandle));
			modulePtr->module = module;
			modulePtr->nextPtr = NULL;
		    } else {

    int size,			/* Allocation size of buffer. */
    int codeSize,		/* Size of code data read into buffer or -1 if
				 * an error occurred and the buffer should
				 * just be freed. */
    Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded
				 * file which will be passed back to
				 * (*unloadProcPtr)() to unload the file. */
    Tcl_FSUnloadFileProc **unloadProcPtr,
				/* Filled with address of Tcl_FSUnloadFileProc
				 * function which should be used for this
				 * file. */
    int flags)
{
    Tcl_LoadHandle newHandle;
    Tcl_DyldLoadHandle *dyldLoadHandle;
    NSObjectFileImage dyldObjFileImage = NULL;
    Tcl_DyldModuleHandle *modulePtr;
    NSModule module;
    const char *objFileImageErrMsg = NULL;

    }

    /*
     * Extract the module we want from the image of the object file.
     */

    module = NSLinkModule(dyldObjFileImage, "[Memory Based Bundle]",
	    NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_PRIVATE
	    | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
    NSDestroyObjectFileImage(dyldObjFileImage);
    if (!module) {
	NSLinkEditErrors editError;
	int errorNumber;
	const char *errorName, *errMsg;

	NSLinkEditError(&editError, &errorNumber, &errorName, &errMsg);