Mercurial > hg > truffle
annotate src/os/windows/vm/vmError_windows.cpp @ 3193:52087773be5b
IdealGraphVisualizer: Make scheduling more robust by ignoring graphs without any nodes and by using the node with the lowest id as root when there is no node labeled "Root" and no node without predecessors
author | Peter Hofer <peter.hofer@jku.at> |
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date | Fri, 08 Jul 2011 14:26:12 +0200 |
parents | f95d63e2154a |
children |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "runtime/arguments.hpp" | |
27 #include "runtime/os.hpp" | |
28 #include "runtime/thread.hpp" | |
29 #include "utilities/vmError.hpp" | |
0 | 30 |
31 | |
32 void 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 | |
63 int VMError::get_resetted_sigflags(int sig) { | |
64 return -1; | |
65 } | |
66 | |
67 address VMError::get_resetted_sighandler(int sig) { | |
68 return NULL; | |
69 } | |
70 | |
71 LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) { | |
72 DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode; | |
73 VMError err(NULL, exception_code, NULL, | |
74 exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord); | |
75 err.report_and_die(); | |
76 return EXCEPTION_CONTINUE_SEARCH; | |
77 } | |
78 | |
79 void VMError::reset_signal_handlers() { | |
80 SetUnhandledExceptionFilter(crash_handler); | |
81 } |