6744783: HotSpot segfaults if given -XX options with an empty string argument
Reviewed-by: kamg, kvn
Contributed-by: volker.simonis@gmail.com
/*
* Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
# include "incls/_precompiled.incl"
# include "incls/_hpi.cpp.incl"
extern "C" {
static void unimplemented_panic(const char *fmt, ...) {
// mitigate testing damage from bug 6626677
warning("hpi::unimplemented_panic called");
}
static void unimplemented_monitorRegister(sys_mon_t *mid, char *info_str) {
Unimplemented();
}
}
static vm_calls_t callbacks = {
jio_fprintf,
unimplemented_panic,
unimplemented_monitorRegister,
NULL, // unused
NULL, // unused
NULL // unused
};
GetInterfaceFunc hpi::_get_interface = NULL;
HPI_FileInterface* hpi::_file = NULL;
HPI_SocketInterface* hpi::_socket = NULL;
HPI_LibraryInterface* hpi::_library = NULL;
HPI_SystemInterface* hpi::_system = NULL;
jint hpi::initialize()
{
initialize_get_interface(&callbacks);
if (_get_interface == NULL)
return JNI_ERR;
jint result;
result = (*_get_interface)((void **)&_file, "File", 1);
if (result != 0) {
if (TraceHPI) tty->print_cr("Can't find HPI_FileInterface");
return JNI_ERR;
}
result = (*_get_interface)((void **)&_library, "Library", 1);
if (result != 0) {
if (TraceHPI) tty->print_cr("Can't find HPI_LibraryInterface");
return JNI_ERR;
}
result = (*_get_interface)((void **)&_system, "System", 1);
if (result != 0) {
if (TraceHPI) tty->print_cr("Can't find HPI_SystemInterface");
return JNI_ERR;
}
return JNI_OK;
}
jint hpi::initialize_socket_library()
{
if (_get_interface == NULL) {
if (TraceHPI) {
tty->print_cr("Fatal HPI error: reached initialize_socket_library with NULL _get_interface");
}
return JNI_ERR;
}
jint result;
result = (*_get_interface)((void **)&_socket, "Socket", 1);
if (result != 0) {
if (TraceHPI) tty->print_cr("Can't find HPI_SocketInterface");
return JNI_ERR;
}
return JNI_OK;
}