| /* |
| * Copyright (c) 2003, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "memory/filemap.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/os.hpp" |
| #include "runtime/thread.hpp" |
| #include "utilities/vmError.hpp" |
| |
| int VMError::get_resetted_sigflags(int sig) { |
| return -1; |
| } |
| |
| address VMError::get_resetted_sighandler(int sig) { |
| return NULL; |
| } |
| |
| LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) { |
| DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode; |
| VMError::report_and_die(NULL, exception_code, NULL, exceptionInfo->ExceptionRecord, |
| exceptionInfo->ContextRecord); |
| return EXCEPTION_CONTINUE_SEARCH; |
| } |
| |
| void VMError::reset_signal_handlers() { |
| SetUnhandledExceptionFilter(crash_handler); |
| } |
| |
| // Write a hint to the stream in case siginfo relates to a segv/bus error |
| // and the offending address points into CDS archive. |
| void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) { |
| #if INCLUDE_CDS |
| if (siginfo && UseSharedSpaces) { |
| const EXCEPTION_RECORD* const er = (const EXCEPTION_RECORD*)siginfo; |
| if (er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR && |
| er->NumberParameters >= 2) { |
| const void* const fault_addr = (const void*) er->ExceptionInformation[1]; |
| if (fault_addr != NULL) { |
| FileMapInfo* const mapinfo = FileMapInfo::current_info(); |
| if (mapinfo->is_in_shared_space(fault_addr)) { |
| st->print("Error accessing class data sharing archive. " |
| "Mapped file inaccessible during execution, possible disk/network problem."); |
| } |
| } |
| } |
| } |
| #endif |
| } |
| |
| // Error reporting cancellation: there is no easy way to implement this on Windows, because we do |
| // not have an easy way to send signals to threads (aka to cause a win32 Exception in another |
| // thread). We would need something like "RaiseException(HANDLE thread)"... |
| void VMError::reporting_started() {} |
| void VMError::interrupt_reporting_thread() {} |
| |