vmError_windows.cpp revision 9056:dc9930a04ab0 
1/*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
24
25#include "precompiled.hpp"
26#include "runtime/arguments.hpp"
27#include "runtime/os.hpp"
28#include "runtime/thread.hpp"
29#include "utilities/vmError.hpp"
30
31
32void VMError::show_message_box(char *buf, int buflen) {
33  bool yes;
34  do {
35    error_string(buf, buflen);
36    int len = (int)strlen(buf);
37    char *p = &buf[len];
38
39    jio_snprintf(p, buflen - len,
40               "\n\n"
41               "Do you want to debug the problem?\n\n"
42               "To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
43               "Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
44               "Otherwise, select 'No' to abort...",
45               os::current_process_id(), os::current_thread_id());
46
47    yes = os::message_box("Unexpected Error", buf) != 0;
48
49    if (yes) {
50      // yes, user asked VM to launch debugger
51      //
52      // os::breakpoint() calls DebugBreak(), which causes a breakpoint
53      // exception. If VM is running inside a debugger, the debugger will
54      // catch the exception. Otherwise, the breakpoint exception will reach
55      // the default windows exception handler, which can spawn a debugger and
56      // automatically attach to the dying VM.
57      os::breakpoint();
58      yes = false;
59    }
60  } while (yes);
61}
62
63int VMError::get_resetted_sigflags(int sig) {
64  return -1;
65}
66
67address VMError::get_resetted_sighandler(int sig) {
68  return NULL;
69}
70
71LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
72  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
73  VMError::report_and_die(NULL, exception_code, NULL, exceptionInfo->ExceptionRecord,
74                          exceptionInfo->ContextRecord);
75  return EXCEPTION_CONTINUE_SEARCH;
76}
77
78void VMError::reset_signal_handlers() {
79  SetUnhandledExceptionFilter(crash_handler);
80}
81