diff options
Diffstat (limited to 'unix/tclLoadNext.c')
| -rw-r--r-- | unix/tclLoadNext.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/unix/tclLoadNext.c b/unix/tclLoadNext.c index 0f82593..35aeba4 100644 --- a/unix/tclLoadNext.c +++ b/unix/tclLoadNext.c @@ -9,12 +9,19 @@ * 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 1.16 2010/03/11 15:02:33 nijtmans Exp $ + * RCS: @(#) $Id: tclLoadNext.c,v 1.17 2010/04/02 21:21:06 kennykb Exp $ */ #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); + /* *---------------------------------------------------------------------- @@ -47,6 +54,7 @@ TclpDlopen( * function which should be used for this * file. */ { + Tcl_LoadHandle newHandle; struct mach_header *header; char *fileName; char *files[2]; @@ -95,8 +103,12 @@ TclpDlopen( } NXCloseMemory(errorStream, NX_FREEBUFFER); - *loadHandle = (Tcl_LoadHandle)1; /* A dummy non-NULL value */ - *unloadProcPtr = &TclpUnloadFile; + newHandle = (Tcl_LoadHandle) ckalloc(sizeof(*newHandle)); + newHandle->clientData = (ClientData) 1; + newHandle->findSymbolProcPtr = &FindSymbol; + newHandle->unloadFileProcPtr = &UnloadFile; + *loadHandle = newHandle; + *unloadProcPtr = &UnloadFile; return TCL_OK; } @@ -104,7 +116,7 @@ TclpDlopen( /* *---------------------------------------------------------------------- * - * TclpFindSymbol -- + * FindSymbol -- * * Looks up a symbol, by name, through a handle associated with a * previously loaded piece of code (shared library). @@ -117,8 +129,8 @@ TclpDlopen( *---------------------------------------------------------------------- */ -Tcl_PackageInitProc * -TclpFindSymbol( +static void* +FindSymbol( Tcl_Interp *interp, Tcl_LoadHandle loadHandle, const char *symbol) @@ -132,13 +144,19 @@ TclpFindSymbol( strcat(sym, symbol); rld_lookup(NULL, sym, (unsigned long *)&proc); } + if (proc == NULL && interp != NULL) { + Tcl_ResetResult(interp); + Tcl_AppendResult(interp, "cannot find symbol \"", symbol, + "\"", NULL); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol, NULL); + } return proc; } /* *---------------------------------------------------------------------- * - * 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 +172,12 @@ 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((char*) loadHandle); } /* |