diff options
Diffstat (limited to 'unix/tclLoadNext.c')
| -rw-r--r-- | unix/tclLoadNext.c | 87 |
1 files changed, 49 insertions, 38 deletions
diff --git a/unix/tclLoadNext.c b/unix/tclLoadNext.c index b52fa2a..3de3cf1 100644 --- a/unix/tclLoadNext.c +++ b/unix/tclLoadNext.c @@ -4,21 +4,15 @@ * This procedure provides a version of the TclLoadFile that works with * NeXTs rld_* dynamic loading. This file provided by Pedja Bogdanovich. * - * Copyright © 1995-1997 Sun Microsystems, Inc. + * 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. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tclInt.h" #include <mach-o/rld.h> #include <streams/streams.h> - -/* Static procedures defined within this file */ - -static void * FindSymbol(Tcl_Interp *interp, - Tcl_LoadHandle loadHandle, const char* symbol); -static void UnloadFile(Tcl_LoadHandle loadHandle); /* *---------------------------------------------------------------------- @@ -46,17 +40,15 @@ TclpDlopen( Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded * file which will be passed back to * (*unloadProcPtr)() to unload the file. */ - Tcl_FSUnloadFileProc **unloadProcPtr, + Tcl_FSUnloadFileProc **unloadProcPtr) /* Filled with address of Tcl_FSUnloadFileProc * function which should be used for this * file. */ - int flags) { - Tcl_LoadHandle newHandle; struct mach_header *header; char *fileName; char *files[2]; - const char *native; + CONST char *native; int result = 1; NXStream *errorStream = NXOpenMemory(0,0,NX_READWRITE); @@ -83,7 +75,7 @@ TclpDlopen( Tcl_DString ds; - native = Tcl_UtfToExternalDString(NULL, fileName, TCL_INDEX_NONE, &ds); + native = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds); files = {native,NULL}; result = rld_load(errorStream, &header, files, NULL); Tcl_DStringFree(&ds); @@ -93,20 +85,16 @@ TclpDlopen( char *data; int len, maxlen; - NXGetMemoryBuffer(errorStream, &data, &len, &maxlen); - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "couldn't load file \"%s\": %s", fileName, data)); + 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); - newHandle = (Tcl_LoadHandle) ckalloc(sizeof(*newHandle)); - newHandle->clientData = INT2PTR(1); - newHandle->findSymbolProcPtr = &FindSymbol; - newHandle->unloadFileProcPtr = &UnloadFile; - *loadHandle = newHandle; - *unloadProcPtr = &UnloadFile; + *loadHandle = (Tcl_LoadHandle)1; /* A dummy non-NULL value */ + *unloadProcPtr = &TclpUnloadFile; return TCL_OK; } @@ -114,7 +102,7 @@ TclpDlopen( /* *---------------------------------------------------------------------- * - * FindSymbol -- + * TclpFindSymbol -- * * Looks up a symbol, by name, through a handle associated with a * previously loaded piece of code (shared library). @@ -127,26 +115,20 @@ TclpDlopen( *---------------------------------------------------------------------- */ -static void * -FindSymbol( +Tcl_PackageInitProc * +TclpFindSymbol( Tcl_Interp *interp, Tcl_LoadHandle loadHandle, - const char *symbol) + CONST char *symbol) { - Tcl_LibraryInitProc *proc = NULL; - + Tcl_PackageInitProc *proc = NULL; if (symbol) { char sym[strlen(symbol) + 2]; sym[0] = '_'; sym[1] = 0; strcat(sym, symbol); - rld_lookup(NULL, sym, (unsigned long *) &proc); - } - if (proc == NULL && interp != NULL) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "cannot find symbol \"%s\"", symbol)); - Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol, (void *)NULL); + rld_lookup(NULL, sym, (unsigned long *)&proc); } return proc; } @@ -154,7 +136,7 @@ FindSymbol( /* *---------------------------------------------------------------------- * - * UnloadFile -- + * TclpUnloadFile -- * * Unloads a dynamically loaded binary code file from memory. Code * pointers in the formerly loaded file are no longer valid after calling @@ -170,12 +152,41 @@ FindSymbol( */ void -UnloadFile( +TclpUnloadFile( Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to * TclpDlopen(). The loadHandle is a token * that represents the loaded file. */ { - ckfree(loadHandle); +} + +/* + *---------------------------------------------------------------------- + * + * 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( + CONST 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; } /* |