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src/os/windows/vm/vmError_windows.cpp@710a3c8b516e (annotated)

src/os/windows/vm/vmError_windows.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 2314

f95d63e2154a

parent 0

f90c822e73f8

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "runtime/arguments.hpp"
aoqi@0	27	#include "runtime/os.hpp"
aoqi@0	28	#include "runtime/thread.hpp"
aoqi@0	29	#include "utilities/vmError.hpp"
aoqi@0	30
aoqi@0	31
aoqi@0	32	void VMError::show_message_box(char *buf, int buflen) {
aoqi@0	33	bool yes;
aoqi@0	34	do {
aoqi@0	35	error_string(buf, buflen);
aoqi@0	36	int len = (int)strlen(buf);
aoqi@0	37	char *p = &buf[len];
aoqi@0	38
aoqi@0	39	jio_snprintf(p, buflen - len,
aoqi@0	40	"\n\n"
aoqi@0	41	"Do you want to debug the problem?\n\n"
aoqi@0	42	"To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
aoqi@0	43	"Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
aoqi@0	44	"Otherwise, select 'No' to abort...",
aoqi@0	45	os::current_process_id(), os::current_thread_id());
aoqi@0	46
aoqi@0	47	yes = os::message_box("Unexpected Error", buf) != 0;
aoqi@0	48
aoqi@0	49	if (yes) {
aoqi@0	50	// yes, user asked VM to launch debugger
aoqi@0	51	//
aoqi@0	52	// os::breakpoint() calls DebugBreak(), which causes a breakpoint
aoqi@0	53	// exception. If VM is running inside a debugger, the debugger will
aoqi@0	54	// catch the exception. Otherwise, the breakpoint exception will reach
aoqi@0	55	// the default windows exception handler, which can spawn a debugger and
aoqi@0	56	// automatically attach to the dying VM.
aoqi@0	57	os::breakpoint();
aoqi@0	58	yes = false;
aoqi@0	59	}
aoqi@0	60	} while (yes);
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	int VMError::get_resetted_sigflags(int sig) {
aoqi@0	64	return -1;
aoqi@0	65	}
aoqi@0	66
aoqi@0	67	address VMError::get_resetted_sighandler(int sig) {
aoqi@0	68	return NULL;
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
aoqi@0	72	DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
aoqi@0	73	VMError err(NULL, exception_code, NULL,
aoqi@0	74	exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord);
aoqi@0	75	err.report_and_die();
aoqi@0	76	return EXCEPTION_CONTINUE_SEARCH;
aoqi@0	77	}
aoqi@0	78
aoqi@0	79	void VMError::reset_signal_handlers() {
aoqi@0	80	SetUnhandledExceptionFilter(crash_handler);
aoqi@0	81	}