hotspot/src/os/windows/vm/jvm_windows.h
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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
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/*
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 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef _JAVASOFT_JVM_MD_H_
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#define _JAVASOFT_JVM_MD_H_
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/*
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 * This file is currently collecting system-specific dregs for the
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 * JNI conversion, which should be sorted out later.
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 */
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// JDK7 requires VS2010
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#if _MSC_VER >= 1600
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// JDK7 minimum platform requirement: Windows XP
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#if _WIN32_WINNT < 0x0501
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#undef _WIN32_WINNT
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#define _WIN32_WINNT  0x0501
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#endif
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#endif
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#include <windows.h>
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#if _MSC_VER <= 1200
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// Psapi.h doesn't come with Visual Studio 6; it can be downloaded as Platform
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// SDK from Microsoft.  Here are the definitions copied from Psapi.h
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typedef struct _MODULEINFO {
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    LPVOID lpBaseOfDll;
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    DWORD SizeOfImage;
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    LPVOID EntryPoint;
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} MODULEINFO, *LPMODULEINFO;
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#else
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#include <Psapi.h>
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#endif
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#include <Tlhelp32.h>
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// #include "jni.h"
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#define JNI_ONLOAD_SYMBOLS      {"_JNI_OnLoad@8", "JNI_OnLoad"}
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#define JNI_ONUNLOAD_SYMBOLS    {"_JNI_OnUnload@8", "JNI_OnUnload"}
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#define JVM_ONLOAD_SYMBOLS      {"_JVM_OnLoad@12", "JVM_OnLoad"}
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#define AGENT_ONLOAD_SYMBOLS    {"_Agent_OnLoad@12", "Agent_OnLoad"}
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#define AGENT_ONUNLOAD_SYMBOLS  {"_Agent_OnUnload@4", "Agent_OnUnload"}
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#define AGENT_ONATTACH_SYMBOLS  {"_Agent_OnAttach@12", "Agent_OnAttach"}
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#define JNI_LIB_PREFIX ""
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#define JNI_LIB_SUFFIX ".dll"
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struct dirent {
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    char d_name[MAX_PATH];
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};
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typedef struct {
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    struct dirent dirent;
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    char *path;
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    HANDLE handle;
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    WIN32_FIND_DATA find_data;
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} DIR;
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#include <stdlib.h>
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#define JVM_MAXPATHLEN _MAX_PATH
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#define JVM_R_OK    4
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#define JVM_W_OK    2
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#define JVM_X_OK    1
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#define JVM_F_OK    0
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#ifdef __cplusplus
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extern "C" {
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#endif
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JNIEXPORT void * JNICALL
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JVM_GetThreadInterruptEvent();
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#ifdef __cplusplus
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} /* extern "C" */
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#endif /* __cplusplus */
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/*
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 * File I/O
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 */
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// #include <sys/types.h>
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// #include <sys/stat.h>
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// #include <fcntl.h>
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// #include <errno.h>
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/* O Flags */
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#define JVM_O_RDONLY     O_RDONLY
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#define JVM_O_WRONLY     O_WRONLY
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#define JVM_O_RDWR       O_RDWR
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#define JVM_O_O_APPEND   O_APPEND
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#define JVM_O_EXCL       O_EXCL
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#define JVM_O_CREAT      O_CREAT
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#define JVM_O_DELETE     O_TEMPORARY
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/* Signals */
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#define JVM_SIGINT     SIGINT
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#define JVM_SIGTERM    SIGTERM
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#define SHUTDOWN1_SIGNAL SIGINT            /* Shutdown Hooks support.    */
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#define SHUTDOWN2_SIGNAL SIGTERM
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#endif /* !_JAVASOFT_JVM_MD_H_ */