1 /* 2 * Copyright (c) 2003, 2007, 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 "incls/_precompiled.incl" 26 # include "incls/_vmError_windows.cpp.incl" 27 28 29 void VMError::show_message_box(char *buf, int buflen) { 30 bool yes; 31 do { 32 error_string(buf, buflen); 33 int len = (int)strlen(buf); 34 char *p = &buf[len]; 35 36 jio_snprintf(p, buflen - len, 37 "\n\n" 38 "Do you want to debug the problem?\n\n" 39 "To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n" 40 "Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n" 41 "Otherwise, select 'No' to abort...", 42 os::current_process_id(), os::current_thread_id()); 43 44 yes = os::message_box("Unexpected Error", buf) != 0; 45 46 if (yes) { 47 // yes, user asked VM to launch debugger 48 // 49 // os::breakpoint() calls DebugBreak(), which causes a breakpoint 50 // exception. If VM is running inside a debugger, the debugger will 51 // catch the exception. Otherwise, the breakpoint exception will reach 52 // the default windows exception handler, which can spawn a debugger and 53 // automatically attach to the dying VM. 54 os::breakpoint(); 55 yes = false; 56 } 57 } while (yes); 58 } 59 60 int VMError::get_resetted_sigflags(int sig) { 61 return -1; 62 } 63 64 address VMError::get_resetted_sighandler(int sig) { 65 return NULL; 66 } 67 68 LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) { 69 DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode; 70 VMError err(NULL, exception_code, NULL, 71 exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord); 72 err.report_and_die(); 73 return EXCEPTION_CONTINUE_SEARCH; 74 } 75 76 void VMError::reset_signal_handlers() { 77 SetUnhandledExceptionFilter(crash_handler); 78 }