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-rw-r--r--unix/tclLoadShl.c44
1 files changed, 31 insertions, 13 deletions
diff --git a/unix/tclLoadShl.c b/unix/tclLoadShl.c
index c9e4e27..a7b41d7 100644
--- a/unix/tclLoadShl.c
+++ b/unix/tclLoadShl.c
@@ -23,6 +23,14 @@
#include "tclInt.h"
+/* Static functions defined within this file */
+
+static void* FindSymbol(Tcl_Interp* interp, Tcl_LoadHandle loadHandle,
+ const char* symbol);
+static void
+UnloadFile(Tcl_LoadHandle handle);
+
+
/*
*----------------------------------------------------------------------
*
@@ -55,7 +63,8 @@ TclpDlopen(
* file. */
{
shl_t handle;
- CONST char *native;
+ Tcl_LoadHandle newHandle;
+ const char *native;
char *fileName = Tcl_GetString(pathPtr);
/*
@@ -95,15 +104,18 @@ TclpDlopen(
Tcl_PosixError(interp), (char *) NULL);
return TCL_ERROR;
}
- *loadHandle = (Tcl_LoadHandle) handle;
- *unloadProcPtr = &TclpUnloadFile;
+ newHandle = (Tcl_LoadHandle) ckalloc(sizeof(*newHandle));
+ newHandle->clientData = handle;
+ newHandle->findSymbolProcPtr = &FindSymbol;
+ newHandle->unloadFileProcPtr = *unloadProcPtr = &UnloadFile;
+ *loadHandle = newHandle;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
- * TclpFindSymbol --
+ * Tcl_FindSymbol --
*
* Looks up a symbol, by name, through a handle associated with a
* previously loaded piece of code (shared library).
@@ -116,15 +128,15 @@ TclpDlopen(
*----------------------------------------------------------------------
*/
-Tcl_PackageInitProc *
-TclpFindSymbol(
+static void*
+FindSymbol(
Tcl_Interp *interp,
Tcl_LoadHandle loadHandle,
- CONST char *symbol)
+ const char *symbol)
{
Tcl_DString newName;
Tcl_PackageInitProc *proc = NULL;
- shl_t handle = (shl_t)loadHandle;
+ shl_t handle = (shl_t)(loadHandle->clientData);
/*
* Some versions of the HP system software still use "_" at the beginning
@@ -142,13 +154,18 @@ TclpFindSymbol(
}
Tcl_DStringFree(&newName);
}
+ if (proc == NULL && interp != NULL) {
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "cannot find symbol\"", symbol,
+ "\": ", Tcl_PosixError(interp), 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* pointers in the formerly loaded file are no longer valid after calling
@@ -163,16 +180,17 @@ TclpFindSymbol(
*----------------------------------------------------------------------
*/
-void
-TclpUnloadFile(
+static void
+UnloadFile(
Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to
* TclpDlopen(). The loadHandle is a token
* that represents the loaded file. */
{
shl_t handle;
- handle = (shl_t) loadHandle;
+ handle = (shl_t) (loadHandle -> clientData);
shl_unload(handle);
+ ckfree((char*) loadHandle);
}
/*
@@ -197,7 +215,7 @@ TclpUnloadFile(
int
TclGuessPackageName(
- CONST char *fileName, /* Name of file containing package (already
+ 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. */