summaryrefslogtreecommitdiffstats
path: root/unix/tclLoadShl.c
diff options
context:
space:
mode:
Diffstat (limited to 'unix/tclLoadShl.c')
-rw-r--r--unix/tclLoadShl.c91
1 files changed, 51 insertions, 40 deletions
diff --git a/unix/tclLoadShl.c b/unix/tclLoadShl.c
index 5cde183..8aaefda 100644
--- a/unix/tclLoadShl.c
+++ b/unix/tclLoadShl.c
@@ -5,7 +5,7 @@
* the "shl_load" and "shl_findsym" library procedures for dynamic
* loading (e.g. for HP machines).
*
- * 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.
@@ -13,14 +13,6 @@
#include <dl.h>
#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);
/*
*----------------------------------------------------------------------
@@ -48,15 +40,13 @@ 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)
{
shl_t handle;
- Tcl_LoadHandle newHandle;
- const char *native;
+ CONST char *native;
char *fileName = Tcl_GetString(pathPtr);
/*
@@ -86,29 +76,25 @@ TclpDlopen(
Tcl_DString ds;
- native = Tcl_UtfToExternalDString(NULL, fileName, TCL_INDEX_NONE, &ds);
+ native = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds);
handle = shl_load(native, BIND_DEFERRED|BIND_VERBOSE|DYNAMIC_PATH, 0L);
Tcl_DStringFree(&ds);
}
if (handle == NULL) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "couldn't load file \"%s\": %s",
- fileName, Tcl_PosixError(interp)));
+ Tcl_AppendResult(interp, "couldn't load file \"", fileName, "\": ",
+ Tcl_PosixError(interp), (char *) NULL);
return TCL_ERROR;
}
- newHandle = (Tcl_LoadHandle)ckalloc(sizeof(*newHandle));
- newHandle->clientData = handle;
- newHandle->findSymbolProcPtr = &FindSymbol;
- newHandle->unloadFileProcPtr = *unloadProcPtr = &UnloadFile;
- *loadHandle = newHandle;
+ *loadHandle = (Tcl_LoadHandle) handle;
+ *unloadProcPtr = &TclpUnloadFile;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
- * Tcl_FindSymbol --
+ * TclpFindSymbol --
*
* Looks up a symbol, by name, through a handle associated with a
* previously loaded piece of code (shared library).
@@ -121,15 +107,15 @@ TclpDlopen(
*----------------------------------------------------------------------
*/
-static void*
-FindSymbol(
+Tcl_PackageInitProc *
+TclpFindSymbol(
Tcl_Interp *interp,
Tcl_LoadHandle loadHandle,
- const char *symbol)
+ CONST char *symbol)
{
Tcl_DString newName;
- Tcl_LibraryInitProc *proc = NULL;
- shl_t handle = (shl_t) loadHandle->clientData;
+ Tcl_PackageInitProc *proc = NULL;
+ shl_t handle = (shl_t)loadHandle;
/*
* Some versions of the HP system software still use "_" at the beginning
@@ -139,26 +125,21 @@ FindSymbol(
if (shl_findsym(&handle, symbol, (short) TYPE_PROCEDURE,
(void *) &proc) != 0) {
Tcl_DStringInit(&newName);
- TclDStringAppendLiteral(&newName, "_");
- Tcl_DStringAppend(&newName, symbol, TCL_INDEX_NONE);
+ Tcl_DStringAppend(&newName, "_", 1);
+ Tcl_DStringAppend(&newName, symbol, -1);
if (shl_findsym(&handle, Tcl_DStringValue(&newName),
(short) TYPE_PROCEDURE, (void *) &proc) != 0) {
proc = NULL;
}
Tcl_DStringFree(&newName);
}
- if (proc == NULL && interp != NULL) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "cannot find symbol \"%s\": %s",
- symbol, Tcl_PosixError(interp)));
- }
return proc;
}
/*
*----------------------------------------------------------------------
*
- * UnloadFile --
+ * TclpUnloadFile --
*
* Unloads a dynamically loaded binary code file from memory. Code
* pointers in the formerly loaded file are no longer valid after calling
@@ -173,16 +154,46 @@ FindSymbol(
*----------------------------------------------------------------------
*/
-static void
-UnloadFile(
+void
+TclpUnloadFile(
Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to
* TclpDlopen(). The loadHandle is a token
* that represents the loaded file. */
{
- shl_t handle = (shl_t) loadHandle->clientData;
+ shl_t handle;
+ handle = (shl_t) loadHandle;
shl_unload(handle);
- 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;
}
/*