1 /*
   2  * Copyright (c) 2014, 2019, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #ifndef LIBRARY_H
  27 #define LIBRARY_H
  28 
  29 #include "PlatformDefs.h"
  30 //#include "Platform.h"
  31 #include "OrderedMap.h"
  32 
  33 #include "jni.h"
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <memory.h>
  37 #include <string>
  38 #include <map>
  39 #include <list>
  40 #include <vector>
  41 #include <fstream>
  42 
  43 using namespace std;
  44 
  45 // Private typedef for function pointer casting
  46 #define LAUNCH_FUNC "JLI_Launch"
  47 
  48 typedef int (JNICALL *JAVA_CREATE)(int argc, char ** argv,
  49         int jargc, const char** jargv,
  50         int appclassc, const char** appclassv,
  51         const char* fullversion,
  52         const char* dotversion,
  53         const char* pname,
  54         const char* lname,
  55         jboolean javaargs,
  56         jboolean cpwildcard,
  57         jboolean javaw,
  58         jint ergo);
  59 
  60 class Library {
  61 private:
  62     std::vector<TString> *FDependentLibraryNames;
  63     std::vector<Library*> *FDependenciesLibraries;
  64     Module FModule;
  65     std::string fname;
  66 
  67     void Initialize();
  68     void InitializeDependencies();
  69     void LoadDependencies();
  70     void UnloadDependencies();
  71 
  72 public:
  73     void* GetProcAddress(const std::string& MethodName) const;
  74 
  75 public:
  76     Library();
  77     Library(const TString &FileName);
  78     ~Library();
  79 
  80     bool Load(const TString &FileName);
  81     bool Unload();
  82 
  83     const std::string& GetName() const {
  84         return fname;
  85     }
  86 
  87     void AddDependency(const TString &FileName);
  88     void AddDependencies(const std::vector<TString> &Dependencies);
  89 };
  90 
  91 class JavaLibrary : public Library {
  92     JAVA_CREATE FCreateProc;
  93     JavaLibrary(const TString &FileName);
  94 public:
  95     JavaLibrary();
  96     bool JavaVMCreate(size_t argc, char *argv[]);
  97 };
  98 
  99 #endif // LIBRARY_H
 100