+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
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
+// This need a lot of work to support binaries spanned across many classes
public class RuntimeCompiler {
- private static SingleClassLoader singleClassLoader;
- private static int nextID;
-
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++;
+ public static Class compile(Seekable data, String extraoptions) throws IOException, Compiler.Exn { return compile(data,extraoptions,null); }
+
+ public static Class compile(Seekable data, String extraoptions, String sourceName) throws IOException, Compiler.Exn {
+ String className = "nestedvm.runtimecompiled";
+ byte[] bytecode;
+ try {
+ bytecode = runCompiler(data,className,extraoptions,sourceName,null);
+ } catch(Compiler.Exn e) {
+ if(e.getMessage() != null || e.getMessage().indexOf("constant pool full") != -1)
+ bytecode = runCompiler(data,className,extraoptions,sourceName,"lessconstants");
+ else
+ throw e;
}
- String className = "nextedvm.runtimecompiled_" + id;
- System.err.println("RuntimeCompiler: Building " + className);
- String options = "nosupportcall";
- if(extraoptions != null) options += "," + extraoptions;
+ return new SingleClassLoader().fromBytes(className,bytecode);
+ }
+
+ private static byte[] runCompiler(Seekable data, String name, String options, String sourceName, String moreOptions) throws IOException, Compiler.Exn {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
- ClassFileCompiler c = new ClassFileCompiler(data,className,baos);
- c.parseOptions(options);
- c.go();
+
+ try {
+ ClassFileCompiler c = new ClassFileCompiler(data,name,baos);
+ c.parseOptions("nosupportcall,maxinsnpermethod=256");
+ c.setSource(sourceName);
+ if(options != null) c.parseOptions(options);
+ if(moreOptions != null) c.parseOptions(moreOptions);
+ c.go();
+ } finally {
+ data.seek(0);
+ }
+
baos.close();
- byte[] bytecode = baos.toByteArray();
- return singleClassLoader.fromBytes(className,bytecode);
+ return baos.toByteArray();
}
private static class SingleClassLoader extends ClassLoader {