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. 22 * 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 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 }