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Diffstat (limited to 'unix/tclLoadNext.c')
| -rw-r--r-- | unix/tclLoadNext.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/unix/tclLoadNext.c b/unix/tclLoadNext.c deleted file mode 100644 index f29c996..0000000 --- a/unix/tclLoadNext.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * tclLoadNext.c -- - * - * This procedure provides a version of the TclLoadFile that - * works with NeXTs rld_* dynamic loading. This file provided - * by Pedja Bogdanovich. - * - * 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: tclLoadNext.c,v 1.3 1999/04/16 00:48:04 stanton Exp $ - */ - -#include "tclInt.h" -#include <mach-o/rld.h> -#include <streams/streams.h> - -/* - *---------------------------------------------------------------------- - * - * 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. */ -{ - struct mach_header *header; - char *data; - int len, maxlen; - char *files[]={fileName,NULL}; - NXStream *errorStream=NXOpenMemory(0,0,NX_READWRITE); - - if(!rld_load(errorStream,&header,files,NULL)) { - NXGetMemoryBuffer(errorStream,&data,&len,&maxlen); - Tcl_AppendResult(interp,"couldn't load file \"",fileName,"\": ",data,NULL); - NXCloseMemory(errorStream,NX_FREEBUFFER); - return TCL_ERROR; - } - NXCloseMemory(errorStream,NX_FREEBUFFER); - - *proc1Ptr=NULL; - if(sym1) { - char sym[strlen(sym1)+2]; - sym[0]='_'; sym[1]=0; strcat(sym,sym1); - rld_lookup(NULL,sym,(unsigned long *)proc1Ptr); - } - - *proc2Ptr=NULL; - if(sym2) { - char sym[strlen(sym2)+2]; - sym[0]='_'; sym[1]=0; strcat(sym,sym2); - rld_lookup(NULL,sym,(unsigned long *)proc2Ptr); - } - *clientDataPtr = NULL; - - 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: - * Does nothing. Can anything be done? - * - *---------------------------------------------------------------------- - */ - -void -TclpUnloadFile(clientData) - ClientData clientData; /* ClientData returned by a previous call - * to TclpLoadFile(). The clientData is - * a token that represents the loaded - * file. */ -{ -} - -/* - *---------------------------------------------------------------------- - * - * 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; -} |