X-Git-Url: http://git.megacz.com/?p=nestedvm.git;a=blobdiff_plain;f=src%2Forg%2Fibex%2Fnestedvm%2FRuntimeCompiler.java;h=fabc21b1e4009022e395ca52d8bafd38aa9a9b24;hp=2aa4305af24f59606bd227b2eb83d73b47bae37c;hb=b11e7c6c29f2b5f7b0828bf93eb741c4a30ec411;hpb=2ecd32e5aea66a9e8d1750a263b9e1b6159b5748 diff --git a/src/org/ibex/nestedvm/RuntimeCompiler.java b/src/org/ibex/nestedvm/RuntimeCompiler.java index 2aa4305..fabc21b 100644 --- a/src/org/ibex/nestedvm/RuntimeCompiler.java +++ b/src/org/ibex/nestedvm/RuntimeCompiler.java @@ -1,32 +1,53 @@ +// Copyright 2000-2005 the Contributors, as shown in the revision logs. +// Licensed under the Apache 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 -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++); } +// This need a lot of work to support binaries spanned across many classes +public class RuntimeCompiler { + 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 { return compile(data,extraoptions,null); } - public static Class compile(Seekable data) throws IOException, Compiler.Exn { - String className = "nextedvm.runtimecompiled_" + uniqueID(); - System.err.println("RuntimeCompiler: Building " + className); + 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; + } + 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); - // FEATURE: make this Optional, pass options on compile arguments - c.parseOptions("unixruntime"); - 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 { 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); } @@ -38,13 +59,13 @@ 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(); + UnixRuntime r = (UnixRuntime) compile(new Seekable.File(args[0]),"unixruntime").newInstance(); System.err.println("Instansiated: "+ r); - System.exit(r.run(args)); + System.exit(UnixRuntime.runAndExec(r,args)); } private RuntimeCompiler() { }