--- /dev/null
+package org.ibex.nestedvm;
+
+import java.io.*;
+
+import org.ibex.nestedvm.util.*;
+
+// FEATURE: This need a lot of work to support binaries spanned across many classes
+public class RuntimeCompiler {
+ private static final SingleClassLoader singleClassLoader = new SingleClassLoader();
+ // FEATURE: Is it ok if this overflows?
+ private static long nextID = 1;
+ private static synchronized String uniqueID() { return Long.toString(nextID++); }
+
+ public static Class compile(Seekable data) throws IOException, Compiler.Exn {
+ String className = "nextedvm.runtimecompiled_" + uniqueID();
+ System.err.println("RuntimeCompiler: Building " + className);
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ ClassFileCompiler c = new ClassFileCompiler(data,className,baos);
+ // FEATURE: make this Optional, pass options on compile arguments
+ c.parseOptions("unixruntime");
+ c.go();
+ baos.close();
+ byte[] bytecode = baos.toByteArray();
+ return singleClassLoader.fromBytes(className,bytecode);
+ }
+
+ private static class SingleClassLoader extends ClassLoader {
+ public Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
+ System.err.println(this + ": loadClass(\"" + name + "," + resolve + ");");
+ return super.loadClass(name,resolve);
+ }
+ public Class fromBytes(String name, byte[] b) { return fromBytes(name,b,0,b.length); }
+ public Class fromBytes(String name, byte[] b, int off, int len) {
+ Class c = super.defineClass(name,b,off,len);
+ resolveClass(c);
+ return c;
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ if(args.length == 0) {
+ System.err.println("Usage: RuntimeCompiler mipsbinary");
+ System.exit(1);
+ }
+ UnixRuntime r = (UnixRuntime) compile(new Seekable.File(args[0])).newInstance();
+ System.err.println("Instansiated: "+ r);
+ System.exit(r.run(args));
+ }
+
+ private RuntimeCompiler() { }
+}