hotspot/src/os/windows/vm/jvm_windows.h
author zgu
Fri, 15 Apr 2011 09:34:43 -0400
changeset 10246 adee0cf4c981
parent 7397 5b173b4ca846
child 11256 025cd1741566
permissions -rw-r--r--
7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls Summary: Created Windows Dll wrapped to handle jdk6 and jdk7 platform requirements, also provided more restictive Dll search orders for Windows system Dlls. Reviewed-by: acorn, dcubed, ohair, alanb

/*
 * Copyright (c) 1998, 2010, 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.
 *
 */

#ifndef _JAVASOFT_JVM_MD_H_
#define _JAVASOFT_JVM_MD_H_

/*
 * This file is currently collecting system-specific dregs for the
 * JNI conversion, which should be sorted out later.
 */

// JDK7 requires VS2010
#if _MSC_VER >= 1600
// JDK7 minimum platform requirement: Windows XP
#if _WIN32_WINNT < 0x0501
#undef _WIN32_WINNT
#define _WIN32_WINNT  0x0501
#endif
#endif

#include <windows.h>

#if _MSC_VER <= 1200
// Psapi.h doesn't come with Visual Studio 6; it can be downloaded as Platform
// SDK from Microsoft.  Here are the definitions copied from Psapi.h
typedef struct _MODULEINFO {
    LPVOID lpBaseOfDll;
    DWORD SizeOfImage;
    LPVOID EntryPoint;
} MODULEINFO, *LPMODULEINFO;

#else
#include <Psapi.h>
#endif



#include <Tlhelp32.h>

// #include "jni.h"

#define JNI_ONLOAD_SYMBOLS      {"_JNI_OnLoad@8", "JNI_OnLoad"}
#define JNI_ONUNLOAD_SYMBOLS    {"_JNI_OnUnload@8", "JNI_OnUnload"}
#define JVM_ONLOAD_SYMBOLS      {"_JVM_OnLoad@12", "JVM_OnLoad"}
#define AGENT_ONLOAD_SYMBOLS    {"_Agent_OnLoad@12", "Agent_OnLoad"}
#define AGENT_ONUNLOAD_SYMBOLS  {"_Agent_OnUnload@4", "Agent_OnUnload"}
#define AGENT_ONATTACH_SYMBOLS  {"_Agent_OnAttach@12", "Agent_OnAttach"}

#define JNI_LIB_PREFIX ""
#define JNI_LIB_SUFFIX ".dll"

struct dirent {
    char d_name[MAX_PATH];
};

typedef struct {
    struct dirent dirent;
    char *path;
    HANDLE handle;
    WIN32_FIND_DATA find_data;
} DIR;

#include <stdlib.h>

#define JVM_MAXPATHLEN _MAX_PATH

#define JVM_R_OK    4
#define JVM_W_OK    2
#define JVM_X_OK    1
#define JVM_F_OK    0

#ifdef __cplusplus
extern "C" {
#endif

JNIEXPORT void * JNICALL
JVM_GetThreadInterruptEvent();

#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */

/*
 * File I/O
 */

// #include <sys/types.h>
// #include <sys/stat.h>
// #include <fcntl.h>
// #include <errno.h>

/* O Flags */

#define JVM_O_RDONLY     O_RDONLY
#define JVM_O_WRONLY     O_WRONLY
#define JVM_O_RDWR       O_RDWR
#define JVM_O_O_APPEND   O_APPEND
#define JVM_O_EXCL       O_EXCL
#define JVM_O_CREAT      O_CREAT
#define JVM_O_DELETE     O_TEMPORARY

/* Signals */

#define JVM_SIGINT     SIGINT
#define JVM_SIGTERM    SIGTERM

#define SHUTDOWN1_SIGNAL SIGINT            /* Shutdown Hooks support.    */
#define SHUTDOWN2_SIGNAL SIGTERM

#endif /* !_JAVASOFT_JVM_MD_H_ */