vmError_windows.cpp revision 13313:4f74286deaa3 
1/*
2 * Copyright (c) 2003, 2017, 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.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "memory/filemap.hpp"
27#include "runtime/arguments.hpp"
28#include "runtime/os.hpp"
29#include "runtime/thread.hpp"
30#include "utilities/vmError.hpp"
31
32int VMError::get_resetted_sigflags(int sig) {
33  return -1;
34}
35
36address VMError::get_resetted_sighandler(int sig) {
37  return NULL;
38}
39
40LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
41  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
42  VMError::report_and_die(NULL, exception_code, NULL, exceptionInfo->ExceptionRecord,
43                          exceptionInfo->ContextRecord);
44  return EXCEPTION_CONTINUE_SEARCH;
45}
46
47void VMError::reset_signal_handlers() {
48  SetUnhandledExceptionFilter(crash_handler);
49}
50
51// Write a hint to the stream in case siginfo relates to a segv/bus error
52// and the offending address points into CDS archive.
53void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
54#if INCLUDE_CDS
55  if (siginfo && UseSharedSpaces) {
56    const EXCEPTION_RECORD* const er = (const EXCEPTION_RECORD*)siginfo;
57    if (er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR &&
58        er->NumberParameters >= 2) {
59      const void* const fault_addr = (const void*) er->ExceptionInformation[1];
60      if (fault_addr != NULL) {
61        FileMapInfo* const mapinfo = FileMapInfo::current_info();
62        if (mapinfo->is_in_shared_space(fault_addr)) {
63          st->print("Error accessing class data sharing archive. "
64            "Mapped file inaccessible during execution, possible disk/network problem.");
65        }
66      }
67    }
68  }
69#endif
70}
71
72// Error reporting cancellation: there is no easy way to implement this on Windows, because we do
73// not have an easy way to send signals to threads (aka to cause a win32 Exception in another
74// thread). We would need something like "RaiseException(HANDLE thread)"...
75void VMError::reporting_started() {}
76void VMError::interrupt_reporting_thread() {}
77
78