diff options
Diffstat (limited to 'unix/tclLoadDld.c')
| -rw-r--r-- | unix/tclLoadDld.c | 162 | 
1 files changed, 0 insertions, 162 deletions
| diff --git a/unix/tclLoadDld.c b/unix/tclLoadDld.c deleted file mode 100644 index 1f9e702..0000000 --- a/unix/tclLoadDld.c +++ /dev/null @@ -1,162 +0,0 @@ -/*  - * tclLoadDld.c -- - * - *	This procedure provides a version of the TclLoadFile that - *	works with the "dld_link" and "dld_get_func" library procedures - *	for dynamic loading.  It has been tested on Linux 1.1.95 and - *	dld-3.2.7.  This file probably isn't needed anymore, since it - *	makes more sense to use "dl_open" etc. - * - * Copyright (c) 1995-1997 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclLoadDld.c,v 1.3 1999/04/16 00:48:04 stanton Exp $ - */ - -#include "tclInt.h" -#include "dld.h" - -/* - * In some systems, like SunOS 4.1.3, the RTLD_NOW flag isn't defined - * and this argument to dlopen must always be 1. - */ - -#ifndef RTLD_NOW -#   define RTLD_NOW 1 -#endif - -/* - *---------------------------------------------------------------------- - * - * TclpLoadFile -- - * - *	Dynamically loads a binary code file into memory and returns - *	the addresses of two procedures within that file, if they - *	are defined. - * - * Results: - *	A standard Tcl completion code.  If an error occurs, an error - *	message is left in the interp's result.  *proc1Ptr and *proc2Ptr - *	are filled in with the addresses of the symbols given by - *	*sym1 and *sym2, or NULL if those symbols can't be found. - * - * Side effects: - *	New code suddenly appears in memory. - * - *---------------------------------------------------------------------- - */ - -int -TclpLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr, clientDataPtr) -    Tcl_Interp *interp;		/* Used for error reporting. */ -    char *fileName;		/* Name of the file containing the desired -				 * code. */ -    char *sym1, *sym2;		/* Names of two procedures to look up in -				 * the file's symbol table. */ -    Tcl_PackageInitProc **proc1Ptr, **proc2Ptr; -				/* Where to return the addresses corresponding -				 * to sym1 and sym2. */ -    ClientData *clientDataPtr;	/* Filled with token for dynamically loaded -				 * file which will be passed back to  -				 * TclpUnloadFile() to unload the file. */ -{ -    static int firstTime = 1; -    int returnCode; - -    /* -     *  The dld package needs to know the pathname to the tcl binary. -     *  If that's not know, return an error. -     */ - -    if (firstTime) { -	if (tclExecutableName == NULL) { -	    Tcl_SetResult(interp, -		    "don't know name of application binary file, so can't initialize dynamic loader", -		    TCL_STATIC); -	    return TCL_ERROR; -	} -	returnCode = dld_init(tclExecutableName); -	if (returnCode != 0) { -	    Tcl_AppendResult(interp, -		    "initialization failed for dynamic loader: ", -		    dld_strerror(returnCode), (char *) NULL); -	    return TCL_ERROR; -	} -	firstTime = 0; -    } - -    if ((returnCode = dld_link(fileName)) != 0) { -	Tcl_AppendResult(interp, "couldn't load file \"", fileName, -	    "\": ", dld_strerror(returnCode), (char *) NULL); -	return TCL_ERROR; -    } -    *proc1Ptr = (Tcl_PackageInitProc *) dld_get_func(sym1); -    *proc2Ptr = (Tcl_PackageInitProc *) dld_get_func(sym2); -    *clientDataPtr = strcpy( -	    (char *) ckalloc((unsigned) (strlen(fileName) + 1)), fileName); -    return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TclpUnloadFile -- - * - *	Unloads a dynamically loaded binary code file from memory. - *	Code pointers in the formerly loaded file are no longer valid - *	after calling this function. - * - * Results: - *	None. - * - * Side effects: - *	Code removed from memory. - * - *---------------------------------------------------------------------- - */ - -void -TclpUnloadFile(clientData) -    ClientData clientData;	/* ClientData returned by a previous call -				 * to TclpLoadFile().  The clientData is  -				 * a token that represents the loaded  -				 * file. */ -{ -    char *fileName; - -    handle = (char *) clientData; -    dld_unlink_by_file(handle, 0); -    ckfree(handle); -} - -/* - *---------------------------------------------------------------------- - * - * TclGuessPackageName -- - * - *	If the "load" command is invoked without providing a package - *	name, this procedure is invoked to try to figure it out. - * - * Results: - *	Always returns 0 to indicate that we couldn't figure out a - *	package name;  generic code will then try to guess the package - *	from the file name.  A return value of 1 would have meant that - *	we figured out the package name and put it in bufPtr. - * - * Side effects: - *	None. - * - *---------------------------------------------------------------------- - */ - -int -TclGuessPackageName(fileName, bufPtr) -    char *fileName;		/* Name of file containing package (already -				 * translated to local form if needed). */ -    Tcl_DString *bufPtr;	/* Initialized empty dstring.  Append -				 * package name to this if possible. */ -{ -    return 0; -} | 
