duke@435: /*
stefank@2314:  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "runtime/arguments.hpp"
stefank@2314: #include "runtime/os.hpp"
stefank@2314: #include "runtime/thread.hpp"
stefank@2314: #include "utilities/vmError.hpp"
duke@435: 
duke@435: 
duke@435: void VMError::show_message_box(char *buf, int buflen) {
duke@435:   bool yes;
duke@435:   do {
duke@435:     error_string(buf, buflen);
duke@435:     int len = (int)strlen(buf);
duke@435:     char *p = &buf[len];
duke@435: 
duke@435:     jio_snprintf(p, buflen - len,
duke@435:                "\n\n"
duke@435:                "Do you want to debug the problem?\n\n"
duke@435:                "To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
duke@435:                "Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
duke@435:                "Otherwise, select 'No' to abort...",
duke@435:                os::current_process_id(), os::current_thread_id());
duke@435: 
duke@435:     yes = os::message_box("Unexpected Error", buf) != 0;
duke@435: 
duke@435:     if (yes) {
duke@435:       // yes, user asked VM to launch debugger
duke@435:       //
duke@435:       // os::breakpoint() calls DebugBreak(), which causes a breakpoint
duke@435:       // exception. If VM is running inside a debugger, the debugger will
duke@435:       // catch the exception. Otherwise, the breakpoint exception will reach
duke@435:       // the default windows exception handler, which can spawn a debugger and
duke@435:       // automatically attach to the dying VM.
duke@435:       os::breakpoint();
duke@435:       yes = false;
duke@435:     }
duke@435:   } while (yes);
duke@435: }
duke@435: 
duke@435: int VMError::get_resetted_sigflags(int sig) {
duke@435:   return -1;
duke@435: }
duke@435: 
duke@435: address VMError::get_resetted_sighandler(int sig) {
duke@435:   return NULL;
duke@435: }
duke@435: 
duke@435: LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
duke@435:   DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
duke@435:   VMError err(NULL, exception_code, NULL,
duke@435:                 exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord);
duke@435:   err.report_and_die();
duke@435:   return EXCEPTION_CONTINUE_SEARCH;
duke@435: }
duke@435: 
duke@435: void VMError::reset_signal_handlers() {
duke@435:   SetUnhandledExceptionFilter(crash_handler);
duke@435: }