diff options
Diffstat (limited to 'unix/tclLoadNext.c')
| -rw-r--r-- | unix/tclLoadNext.c | 49 |
1 files changed, 33 insertions, 16 deletions
diff --git a/unix/tclLoadNext.c b/unix/tclLoadNext.c index 4168ebb..eb0affa 100644 --- a/unix/tclLoadNext.c +++ b/unix/tclLoadNext.c @@ -6,15 +6,19 @@ * * 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 1.14 2008/04/27 22:21:34 dkf Exp $ + * 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); /* *---------------------------------------------------------------------- @@ -42,11 +46,13 @@ 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]; @@ -87,16 +93,20 @@ TclpDlopen( char *data; int len, maxlen; - NXGetMemoryBuffer(errorStream,&data,&len,&maxlen); - Tcl_AppendResult(interp, "couldn't load file \"", fileName, "\": ", - data, NULL); + NXGetMemoryBuffer(errorStream, &data, &len, &maxlen); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "couldn't load file \"%s\": %s", fileName, data)); NXCloseMemory(errorStream, NX_FREEBUFFER); return TCL_ERROR; } NXCloseMemory(errorStream, NX_FREEBUFFER); - *loadHandle = (Tcl_LoadHandle)1; /* A dummy non-NULL value */ - *unloadProcPtr = &TclpUnloadFile; + newHandle = ckalloc(sizeof(Tcl_LoadHandle)); + newHandle->clientData = INT2PTR(1); + newHandle->findSymbolProcPtr = &FindSymbol; + newHandle->unloadFileProcPtr = &UnloadFile; + *loadHandle = newHandle; + *unloadProcPtr = &UnloadFile; return TCL_OK; } @@ -104,7 +114,7 @@ TclpDlopen( /* *---------------------------------------------------------------------- * - * TclpFindSymbol -- + * FindSymbol -- * * Looks up a symbol, by name, through a handle associated with a * previously loaded piece of code (shared library). @@ -117,20 +127,26 @@ TclpDlopen( *---------------------------------------------------------------------- */ -Tcl_PackageInitProc * -TclpFindSymbol( +static void * +FindSymbol( Tcl_Interp *interp, Tcl_LoadHandle loadHandle, const char *symbol) { 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); + 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, NULL); } return proc; } @@ -138,7 +154,7 @@ TclpFindSymbol( /* *---------------------------------------------------------------------- * - * TclpUnloadFile -- + * UnloadFile -- * * Unloads a dynamically loaded binary code file from memory. Code * pointers in the formerly loaded file are no longer valid after calling @@ -154,11 +170,12 @@ TclpFindSymbol( */ void -TclpUnloadFile( +UnloadFile( Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to * TclpDlopen(). The loadHandle is a token * that represents the loaded file. */ { + ckfree(loadHandle); } /* |