/* -----------------------------------------------------------------------------
- * $Id: Linker.c,v 1.26 2001/02/12 16:40:34 sewardj Exp $
+ * $Id: Linker.c,v 1.27 2001/02/13 13:11:07 sewardj Exp $
*
* (c) The GHC Team, 2000
*
static int ocResolve_PEi386 ( ObjectCode* oc );
#endif
+int ocAddDLL ( char* dll_name );
+
+
+/* -----------------------------------------------------------------------------
+ * Add a DLL from which symbols may be found. In the ELF case, just
+ * do RTLD_GLOBAL-style add, so no further messing around needs to
+ * happen in order that symbols in the loaded .so are findable --
+ * lookupSymbol() will subsequently see them by dlsym on the program's
+ * dl-handle. Returns 0 if fail, 1 if success.
+ */
+int ocAddDLL ( char* dll_name )
+{
+# if defined(OBJFORMAT_ELF)
+ void* hdl;
+ char buf[100];
+ if (strlen(dll_name) > 50)
+ barf("ocAddDLL: excessively long .so/.DLL name `%s'", dll_name);
+ sprintf(buf, "lib%s.so", dll_name);
+ hdl = dlopen(buf, RTLD_NOW | RTLD_GLOBAL);
+ return (hdl == NULL) ? 0 : 1;
+# elif defined(OBJFORMAT_PEi386)
+ barf("ocAddDLL: not implemented on PEi386 yet");
+ return 0;
+# else
+ barf("ocAddDLL: not implemented on this platform");
+# endif
+}
+
+
/* -----------------------------------------------------------------------------
* Built-in symbols from the RTS
*/