added cooja; 'The Contiki OS Java Simulator'

tools/cooja/examples/jni_test/level5/Level5.java

@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: Level5.java,v 1.1 2006/08/21 12:13:10 fros4943 Exp $
+ */
+
+import java.io.*;
+import java.util.Vector;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class Level5 {
+
+  static {
+    System.load(new File("level5.library").getAbsolutePath());
+  }
+
+  final static private String bssSectionAddrRegExp =
+    "^.bss[ \t]*0x([0-9A-Fa-f]*)[ \t]*0x[0-9A-Fa-f]*[ \t]*$";
+  final static private String bssSectionSizeRegExp =
+    "^.bss[ \t]*0x[0-9A-Fa-f]*[ \t]*0x([0-9A-Fa-f]*)[ \t]*$";
+  final static private String dataSectionAddrRegExp =
+    "^.data[ \t]*0x([0-9A-Fa-f]*)[ \t]*0x[0-9A-Fa-f]*[ \t]*$";
+  final static private String dataSectionSizeRegExp =
+    "^.data[ \t]*0x[0-9A-Fa-f]*[ \t]*0x([0-9A-Fa-f]*)[ \t]*$";
+  final static private String varAddressRegExpPrefix =
+    "^[ \t]*0x([0-9A-Fa-f]*)[ \t]*";
+  final static private String varAddressRegExpSuffix =
+    "[ \t]*$";
+  final static private String varNameRegExp =
+    "^[ \t]*(0x[0-9A-Fa-f]*)[ \t]*([^ ]*)[ \t]*$";
+  final static private String varSizeRegExpPrefix =
+    "^";
+  final static private String varSizeRegExpSuffix =
+    "[ \t]*(0x[0-9A-Fa-f]*)[ \t]*[^ ]*[ \t]*$";
+  
+  private native void doCount();
+  private native int getRefAddress();
+  private native byte[] getMemory(int start, int length);
+  private native void setMemory(int start, int length, byte[] mem);
+
+  public Level5() {
+    File mapFile = new File("level5.map");
+
+    // Check that map file exists
+    if (!mapFile.exists()) {
+      System.err.println("No map file could be loaded");
+      System.exit(1);
+    }
+
+    Vector<String> mapContents = loadMapFile(mapFile);
+
+    int relDataSectionAddr = loadRelDataSectionAddr(mapContents);
+    int dataSectionSize = (int) loadDataSectionSize(mapContents);
+    int relBssSectionAddr = loadRelBssSectionAddr(mapContents);
+    int bssSectionSize = (int) loadBssSectionSize(mapContents);
+
+    int referenceAddress = getRefAddress();
+
+    int offsetRelToAbs = referenceAddress - getRelVarAddr(mapContents, "ref_var");
+
+    System.err.println("\n\n--- RUNNING DO_COUNT 5 TIMES ---");
+    doCount();
+    doCount();
+    doCount();
+    doCount();
+    doCount();
+    System.err.println("\n\n--- FETCHING AND SAVING MEMORY ---");
+    byte[] savedDataSection = getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize);
+    byte[] savedBssSection = getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize);
+    System.err.println("data section size:\t" + savedDataSection.length + " = " + "0x" + Integer.toHexString(savedDataSection.length));
+    System.err.println("bss section size:\t" + savedBssSection.length + " = " + "0x" + Integer.toHexString(savedBssSection.length));
+    
+    System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
+    doCount();
+    doCount();
+    doCount();
+
+    System.err.println("\n\n--- RESTORING MEMORY: DATA ---");
+    setMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, savedDataSection);
+
+    System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
+    doCount();
+    doCount();
+    doCount();
+
+    System.err.println("\n\n--- RESTORING MEMORY: BSS ---");
+    setMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, savedBssSection);
+    
+    System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
+    doCount();
+    doCount();
+    doCount();
+
+    System.err.println("Level 5 OK!");
+  }
+
+  private static int getRelVarAddr(Vector<String> mapContents, String varName) {
+    String regExp = varAddressRegExpPrefix + varName + varAddressRegExpSuffix;
+    String retString = getFirstMatchGroup(mapContents, regExp, 1);
+
+    if (retString != null)
+      return Integer.parseInt(retString.trim(), 16);
+    else return 0;
+  }
+  
+  private static Vector<String> loadMapFile(File mapFile) {
+    Vector<String> mapContents = new Vector<String>();
+    
+    try {
+      BufferedReader in =
+        new BufferedReader(
+            new InputStreamReader(
+                new FileInputStream(mapFile)));
+      
+      while (in.ready())
+      {
+        mapContents.add(in.readLine());
+      }
+    } catch (FileNotFoundException e) {
+      System.err.println("File not found: " + e);
+      return null;
+    } catch (IOException e) {
+      System.err.println("IO error: " + e);
+      return null;
+    }
+    
+    return mapContents;
+  }
+
+  private static int loadRelDataSectionAddr(Vector<String> mapFile) {
+    String retString = getFirstMatchGroup(mapFile, dataSectionAddrRegExp, 1);
+
+    if (retString != null)
+      return Integer.parseInt(retString.trim(), 16);
+    else return 0;
+  }
+
+  private static int loadDataSectionSize(Vector<String> mapFile) {
+    String retString = getFirstMatchGroup(mapFile, dataSectionSizeRegExp, 1);
+
+    if (retString != null)
+      return Integer.parseInt(retString.trim(), 16);
+    else return 0;
+  }
+
+  private static int loadRelBssSectionAddr(Vector<String> mapFile) {
+    String retString = getFirstMatchGroup(mapFile, bssSectionAddrRegExp, 1);
+
+    if (retString != null)
+      return Integer.parseInt(retString.trim(), 16);
+    else return 0;
+  }
+
+  private static int loadBssSectionSize(Vector<String> mapFile) {
+    String retString = getFirstMatchGroup(mapFile, bssSectionSizeRegExp, 1);
+
+    if (retString != null)
+      return Integer.parseInt(retString.trim(), 16);
+    else return 0;
+  }
+
+  private static String getFirstMatchGroup(Vector<String> lines, String regexp, int groupNr) {
+    Pattern pattern = Pattern.compile(regexp);
+    for (int i=0; i < lines.size(); i++) {
+      Matcher matcher = pattern.matcher(lines.elementAt(i));
+      if (matcher.find()) {
+        return matcher.group(groupNr);
+      }
+    }
+    return null;
+  }
+
+  
+
+  public static void main(String[] args) {
+    new Level5();
+  }
+
+}