load internals refactoring

7 files changed, 141 insertions, 174 deletions

diff --git a/unix/tclLoadAout.c b/unix/tclLoadAout.c
index afd956c..c4d6254 100644
--- a/unix/tclLoadAout.c
+++ b/unix/tclLoadAout.c
@@ -14,7 +14,7 @@
  * and Design Engineering (MADE) Initiative through ARPA contract
  * F33615-94-C-4400.
  *
- * RCS: @(#) $Id: tclLoadAout.c,v 1.10 2002/02/15 14:28:50 dkf Exp $
+ * RCS: @(#) $Id: tclLoadAout.c,v 1.11 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -141,17 +141,11 @@ static void UnlinkSymbolTable _ANSI_ARGS_((void));
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
 				 * code (UTF-8). */
-    CONST 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
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -172,12 +166,9 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
   struct exec relocatedHead;	/* Header of the relocated text */
   unsigned long relocatedSize;	/* Size of the relocated text */
   char * startAddress;		/* Starting address of the module */
-  DictFn dictionary;		/* Dictionary function in the load module */
   int status;			/* Status return from Tcl_ calls */
   char * p;
 
-  *clientDataPtr = NULL;
-  
   /* Find the file that contains the symbols for the run-time link. */
 
   if (SymbolTableFile != NULL) {
@@ -317,15 +308,21 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
   SymbolTableFile = ckalloc (strlen (relocatedFileName) + 1);
   strcpy (SymbolTableFile, relocatedFileName);
   
-  /* Look up the entry points in the load module's dictionary. */
-
-  dictionary = (DictFn) startAddress;
-  *proc1Ptr = dictionary (sym1);
-  *proc2Ptr = dictionary (sym2);
-
+  *loadHandle = startAddress;
   return TCL_OK;
 }
 
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    /* Look up the entry point in the load module's dictionary. */
+    DictFn dictionary = (DictFn) loadHandle;
+    return (Tcl_PackageInitProc*) dictionary(sym1);
+}
+
+
 /*
  *------------------------------------------------------------------------
  *
diff --git a/unix/tclLoadDl.c b/unix/tclLoadDl.c
index 3578695..951a8cb 100644
--- a/unix/tclLoadDl.c
+++ b/unix/tclLoadDl.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadDl.c,v 1.8 2002/01/09 19:09:28 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadDl.c,v 1.9 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -57,17 +57,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -76,14 +70,11 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 				 * this file. */
 {
     VOID *handle;
-    Tcl_DString newName, ds;
     CONST char *native;
 
     native = Tcl_FSGetNativePath(pathPtr);
     handle = dlopen(native, RTLD_NOW | RTLD_GLOBAL);	/* INTL: Native. */
     
-    *clientDataPtr = (ClientData) handle;
-    
     if (handle == NULL) {
 	Tcl_AppendResult(interp, "couldn't load file \"", 
 			 Tcl_GetString(pathPtr),
@@ -92,40 +83,39 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
     }
 
     *unloadProcPtr = &TclpUnloadFile;
-    
+    *loadHandle = (TclLoadHandle)handle;
+}
+
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    CONST char *native;
+    Tcl_DString newName, ds;
+    VOID *handle = (VOID*)loadHandle;
+    Tcl_PackageInitProc *proc;
     /* 
      * Some platforms still add an underscore to the beginning of symbol
      * names.  If we can't find a name without an underscore, try again
      * with the underscore.
      */
 
-    native = Tcl_UtfToExternalDString(NULL, sym1, -1, &ds);
-    *proc1Ptr = (Tcl_PackageInitProc *) dlsym(handle,	/* INTL: Native. */
+    native = Tcl_UtfToExternalDString(NULL, symbol, -1, &ds);
+    proc = (Tcl_PackageInitProc *) dlsym(handle,	/* INTL: Native. */
 	    native);	
-    if (*proc1Ptr == NULL) {
+    if (proc == NULL) {
 	Tcl_DStringInit(&newName);
 	Tcl_DStringAppend(&newName, "_", 1);
 	native = Tcl_DStringAppend(&newName, native, -1);
-	*proc1Ptr = (Tcl_PackageInitProc *) dlsym(handle, /* INTL: Native. */
+	proc = (Tcl_PackageInitProc *) dlsym(handle, /* INTL: Native. */
 		native);
 	Tcl_DStringFree(&newName);
     }
     Tcl_DStringFree(&ds);
 
-    native = Tcl_UtfToExternalDString(NULL, sym2, -1, &ds);
-    *proc2Ptr = (Tcl_PackageInitProc *) dlsym(handle,	/* INTL: Native. */
-	    native);
-    if (*proc2Ptr == NULL) {
-	Tcl_DStringInit(&newName);
-	Tcl_DStringAppend(&newName, "_", 1);
-	native = Tcl_DStringAppend(&newName, native, -1);
-	*proc2Ptr = (Tcl_PackageInitProc *) dlsym(handle, /* INTL: Native. */
-		native);
-	Tcl_DStringFree(&newName);
-    }
-    Tcl_DStringFree(&ds);
-    
-    return TCL_OK;
+    return proc;
 }
 
 /*
diff --git a/unix/tclLoadDld.c b/unix/tclLoadDld.c
index f1c1589..99fee26 100644
--- a/unix/tclLoadDld.c
+++ b/unix/tclLoadDld.c
@@ -12,7 +12,7 @@
  * 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 1.8 2002/01/10 22:03:12 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadDld.c,v 1.9 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -49,17 +49,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -73,7 +67,7 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
     
     /*
      *  The dld package needs to know the pathname to the tcl binary.
-     *  If that's not know, return an error.
+     *  If that's not known, return an error.
      */
 
     if (firstTime) {
@@ -99,14 +93,21 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 			 "\": ", dld_strerror(returnCode), (char *) NULL);
 	return TCL_ERROR;
     }
-    *proc1Ptr = (Tcl_PackageInitProc *) dld_get_func(sym1);
-    *proc2Ptr = (Tcl_PackageInitProc *) dld_get_func(sym2);
-    *clientDataPtr = strcpy(
+    *loadHandle = strcpy(
 	    (char *) ckalloc((unsigned) (strlen(fileName) + 1)), fileName);
     *unloadProcPtr = &TclpUnloadFile;
     return TCL_OK;
 }
 
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    return (Tcl_PackageInitProc *) dld_get_func(symbol);
+}
+
 /*
  *----------------------------------------------------------------------
  *
diff --git a/unix/tclLoadDyld.c b/unix/tclLoadDyld.c
index 8541416..9eefd91 100644
--- a/unix/tclLoadDyld.c
+++ b/unix/tclLoadDyld.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadDyld.c,v 1.8 2002/02/25 15:21:59 das Exp $
+ * RCS: @(#) $Id: tclLoadDyld.c,v 1.9 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -40,17 +40,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -58,9 +52,7 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 				 * function which should be used for
 				 * this file. */
 {
-    NSSymbol symbol;
     const struct mach_header *dyld_lib;
-    Tcl_DString newName, ds;
     char *native;
 
     native = Tcl_FSGetNativePath(pathPtr);
@@ -75,46 +67,41 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
         Tcl_AppendResult(interp, msg, (char *) NULL);
         return TCL_ERROR;
     }
-
+    *loadHandle = (TclLoadHandle)dyld_lib;
     *unloadProcPtr = &TclpUnloadFile;
-
+    return TCL_OK;
+}
+
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    NSSymbol nsSymbol;
+    CONST char *native;
+    Tcl_DString newName, ds;
+    Tcl_PackageInitProc* proc = NULL;
+    const struct mach_header *dyld_lib = (mach_header *)loadHandle;
     /* 
      * dyld adds an underscore to the beginning of symbol names.
      */
 
-    native = Tcl_UtfToExternalDString(NULL, sym1, -1, &ds);
+    native = Tcl_UtfToExternalDString(NULL, symbol, -1, &ds);
     Tcl_DStringInit(&newName);
     Tcl_DStringAppend(&newName, "_", 1);
     native = Tcl_DStringAppend(&newName, native, -1);
-    symbol = NSLookupSymbolInImage(dyld_lib, native, 
-        NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | 
-        NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
-    if(symbol) {
-        *proc1Ptr = NSAddressOfSymbol(symbol);
-        *clientDataPtr = NSModuleForSymbol(symbol);
-    } else {
-        *proc1Ptr=NULL;
-        *clientDataPtr=NULL;
+    nsSymbol = NSLookupSymbolInImage(dyld_lib, native, 
+	NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | 
+	NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
+    if(nsSymbol) {
+	proc = NSAddressOfSymbol(nsSymbol);
+	/* *clientDataPtr = NSModuleForSymbol(nsSymbol); */
     }
     Tcl_DStringFree(&newName);
     Tcl_DStringFree(&ds);
-
-    native = Tcl_UtfToExternalDString(NULL, sym2, -1, &ds);
-    Tcl_DStringInit(&newName);
-    Tcl_DStringAppend(&newName, "_", 1);
-    native = Tcl_DStringAppend(&newName, native, -1);
-    symbol = NSLookupSymbolInImage(dyld_lib, native, 
-        NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | 
-        NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
-    if(symbol) {
-        *proc2Ptr = NSAddressOfSymbol(symbol);
-    } else {
-        *proc2Ptr=NULL;
-    }
-    Tcl_DStringFree(&newName);
-    Tcl_DStringFree(&ds);
-
-    return TCL_OK;
+    
+    return proc;
 }
 
 /*
diff --git a/unix/tclLoadNext.c b/unix/tclLoadNext.c
index d19b22e..cb09d38 100644
--- a/unix/tclLoadNext.c
+++ b/unix/tclLoadNext.c
@@ -10,7 +10,7 @@
  * 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 1.7 2002/01/09 19:09:28 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadNext.c,v 1.8 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -39,17 +39,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -72,25 +66,27 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
   }
   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;
+  *loadHandle = (TclLoadHandle)1; /* A dummy non-NULL value */
   *unloadProcPtr = &TclpUnloadFile;
   
   return TCL_OK;
 }
 
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle 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);
+    }
+    return proc;
+}
+
 /*
  *----------------------------------------------------------------------
  *
diff --git a/unix/tclLoadOSF.c b/unix/tclLoadOSF.c
index 76c0c7c..8740feb 100644
--- a/unix/tclLoadOSF.c
+++ b/unix/tclLoadOSF.c
@@ -31,7 +31,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadOSF.c,v 1.7 2002/01/09 19:09:28 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadOSF.c,v 1.8 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -60,17 +60,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -99,16 +93,25 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
      * I build loadable modules with a makefile rule like 
      *		ld ... -export $@: -o $@ $(OBJS)
      */
-    if ((pkg = strrchr(fileName, '/')) == NULL)
-	pkg = fileName;
-    else
+    if ((pkg = strrchr(fileName, '/')) == NULL) {
+        pkg = fileName;
+    } else {
 	pkg++;
-    *proc1Ptr = ldr_lookup_package(pkg, sym1);
-    *proc2Ptr = ldr_lookup_package(pkg, sym2);
+    }
+    *loadHandle = pkg;
     *unloadProcPtr = &TclpUnloadFile;
     return TCL_OK;
 }
 
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    return ldr_lookup_package((char *)loadHandle, symbol);
+}
+
 /*
  *----------------------------------------------------------------------
  *
diff --git a/unix/tclLoadShl.c b/unix/tclLoadShl.c
index cb222bb..14e5b2d 100644
--- a/unix/tclLoadShl.c
+++ b/unix/tclLoadShl.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadShl.c,v 1.9 2002/01/09 19:09:28 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadShl.c,v 1.10 2002/07/17 20:00:46 vincentdarley Exp $
  */
 
 #include <dl.h>
@@ -47,17 +47,11 @@
  */
 
 int
-TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr, 
-	     clientDataPtr, unloadProcPtr)
+TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     Tcl_Interp *interp;		/* Used for error reporting. */
     Tcl_Obj *pathPtr;		/* Name of the file containing the desired
-				 * code. */
-    CONST 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
+				 * code (UTF-8). */
+    TclLoadHandle *loadHandle;	/* Filled with token for dynamically loaded
 				 * file which will be passed back to 
 				 * (*unloadProcPtr)() to unload the file. */
     Tcl_FSUnloadFileProc **unloadProcPtr;	
@@ -66,7 +60,6 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 				 * this file. */
 {
     shl_t handle;
-    Tcl_DString newName;
     char *fileName = Tcl_GetString(pathPtr);
     
     /*
@@ -87,38 +80,38 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 		"\": ", Tcl_PosixError(interp), (char *) NULL);
 	return TCL_ERROR;
     }
-    *clientDataPtr = (ClientData) handle;
-
+    *loadHandle = (TclLoadHandle) handle;
+    *unloadProcPtr = &TclpUnloadFile;
+    return TCL_OK;
+}
+
+Tcl_PackageInitProc*
+TclpFindSymbol(interp, loadHandle, symbol) 
+    Tcl_Interp *interp;
+    TclLoadHandle loadHandle;
+    CONST char *symbol;
+{
+    Tcl_DString newName;
+    Tcl_PackageInitProc *proc=NULL;
+    shl_t handle = (shl_t)loadHandle;
     /*
      * Some versions of the HP system software still use "_" at the
      * beginning of exported symbols while others don't;  try both
      * forms of each name.
      */
 
-    if (shl_findsym(&handle, sym1, (short) TYPE_PROCEDURE, (void *) proc1Ptr)
+    if (shl_findsym(&handle, symbol, (short) TYPE_PROCEDURE, (void *) &proc)
 	    != 0) {
 	Tcl_DStringInit(&newName);
 	Tcl_DStringAppend(&newName, "_", 1);
-	Tcl_DStringAppend(&newName, sym1, -1);
+	Tcl_DStringAppend(&newName, symbol, -1);
 	if (shl_findsym(&handle, Tcl_DStringValue(&newName),
-		(short) TYPE_PROCEDURE, (void *) proc1Ptr) != 0) {
-	    *proc1Ptr = NULL;
+		(short) TYPE_PROCEDURE, (void *) &proc) != 0) {
+	    proc = NULL;
 	}
 	Tcl_DStringFree(&newName);
     }
-    if (shl_findsym(&handle, sym2, (short) TYPE_PROCEDURE, (void *) proc2Ptr)
-	    != 0) {
-	Tcl_DStringInit(&newName);
-	Tcl_DStringAppend(&newName, "_", 1);
-	Tcl_DStringAppend(&newName, sym2, -1);
-	if (shl_findsym(&handle, Tcl_DStringValue(&newName),
-		(short) TYPE_PROCEDURE, (void *) proc2Ptr) != 0) {
-	    *proc2Ptr = NULL;
-	}
-	Tcl_DStringFree(&newName);
-    }
-    *unloadProcPtr = &TclpUnloadFile;
-    return TCL_OK;
+    return proc;
 }
 
 /*