X-Git-Url: http://git.megacz.com/?p=nestedvm.git;a=blobdiff_plain;f=src%2Forg%2Fibex%2Fnestedvm%2FRuntimeCompiler.java;h=325224203a90051535e918afc2bacac514a6e1d2;hp=80f56ac2995ca51844ec5a4d03ea42bfb7f3d290;hb=ab9be117467f7459965c61e49749b333678b6e4c;hpb=98f786ce8ee1fcd9568d1c367160851d32e1c786 diff --git a/src/org/ibex/nestedvm/RuntimeCompiler.java b/src/org/ibex/nestedvm/RuntimeCompiler.java index 80f56ac..3252242 100644 --- a/src/org/ibex/nestedvm/RuntimeCompiler.java +++ b/src/org/ibex/nestedvm/RuntimeCompiler.java @@ -6,19 +6,26 @@ import org.ibex.nestedvm.util.*; // FEATURE: This need a lot of work to support binaries spanned across many classes public class RuntimeCompiler { - // FEATURE: Do we need to periodicly create a new classloader to allow old clases to be GCed? - private static 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++); } + private static SingleClassLoader singleClassLoader; + private static int nextID; - public static Class compile(Seekable data) throws IOException, Compiler.Exn { - String className = "nextedvm.runtimecompiled_" + uniqueID(); + public static Class compile(Seekable data) throws IOException, Compiler.Exn { return compile(data,null); } + public static Class compile(Seekable data, String extraoptions) throws IOException, Compiler.Exn { + int id; + synchronized(RuntimeCompiler.class) { + if(nextID == 32 || singleClassLoader == null) { + singleClassLoader = new SingleClassLoader(); + nextID = 0; + } + id = nextID++; + } + String className = "nextedvm.runtimecompiled_" + id; System.err.println("RuntimeCompiler: Building " + className); + String options = "nosupportcall"; + if(extraoptions != null) options += "," + extraoptions; ByteArrayOutputStream baos = new ByteArrayOutputStream(); ClassFileCompiler c = new ClassFileCompiler(data,className,baos); - // FEATURE: make this Optional, pass options on compile arguments - c.parseOptions("unixruntime"); + c.parseOptions(options); c.go(); baos.close(); byte[] bytecode = baos.toByteArray(); @@ -27,7 +34,7 @@ public class RuntimeCompiler { private static class SingleClassLoader extends ClassLoader { public Class loadClass(String name, boolean resolve) throws ClassNotFoundException { - System.err.println(this + ": loadClass(\"" + name + "," + resolve + ");"); + //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); } @@ -39,13 +46,13 @@ public class RuntimeCompiler { } public static void main(String[] args) throws Exception { - if(args.length == 0) { - System.err.println("Usage: RuntimeCompiler mipsbinary"); + 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)); + System.exit(UnixRuntime.runAndExec(r,args)); } private RuntimeCompiler() { }