Examples with IntegerConstant org.robovm.compiler.llvm.IntegerConstant used on opensource projects

Example 6 with IntegerConstant

use of org.robovm.compiler.llvm.IntegerConstant in project robovm by robovm.

the class MethodCompiler method immediate.

private Value immediate(Unit unit, Immediate v) {
    // v is either a soot.Local or a soot.jimple.Constant
    if (v instanceof soot.Local) {
        Local local = (Local) v;
        Type type = getLocalType(v.getType());
        VariableRef var = new VariableRef(local.getName(), new PointerType(type));
        Variable tmp = function.newVariable(type);
        function.add(new Load(tmp, var, !sootMethod.getActiveBody().getTraps().isEmpty())).attach(unit);
        return new VariableRef(tmp);
    } else if (v instanceof soot.jimple.IntConstant) {
        return new IntegerConstant(((soot.jimple.IntConstant) v).value);
    } else if (v instanceof soot.jimple.LongConstant) {
        return new IntegerConstant(((soot.jimple.LongConstant) v).value);
    } else if (v instanceof soot.jimple.FloatConstant) {
        return new FloatingPointConstant(((soot.jimple.FloatConstant) v).value);
    } else if (v instanceof soot.jimple.DoubleConstant) {
        return new FloatingPointConstant(((soot.jimple.DoubleConstant) v).value);
    } else if (v instanceof soot.jimple.NullConstant) {
        return new NullConstant(OBJECT_PTR);
    } else if (v instanceof soot.jimple.StringConstant) {
        String s = ((soot.jimple.StringConstant) v).value;
        return call(unit, ldcString(s), env);
    } else if (v instanceof soot.jimple.ClassConstant) {
        // ClassConstant is either the internal name of a class or the descriptor of an array
        String targetClassName = ((soot.jimple.ClassConstant) v).getValue();
        if (isArray(targetClassName) && isPrimitiveComponentType(targetClassName)) {
            String primitiveDesc = targetClassName.substring(1);
            Variable result = function.newVariable(OBJECT_PTR);
            function.add(new Load(result, new ConstantBitcast(new GlobalRef("array_" + primitiveDesc, CLASS_PTR), new PointerType(OBJECT_PTR)))).attach(unit);
            return result.ref();
        } else {
            FunctionRef fn = null;
            if (targetClassName.equals(this.className)) {
                fn = FunctionBuilder.ldcInternal(sootMethod.getDeclaringClass()).ref();
            } else {
                Trampoline trampoline = new LdcClass(className, ((soot.jimple.ClassConstant) v).getValue());
                trampolines.add(trampoline);
                fn = trampoline.getFunctionRef();
            }
            return call(unit, fn, env);
        }
    }
    throw new IllegalArgumentException("Unknown Immediate type: " + v.getClass());
}

Example 7 with IntegerConstant

use of org.robovm.compiler.llvm.IntegerConstant in project robovm by robovm.

the class MethodCompiler method tableSwitch.

private void tableSwitch(TableSwitchStmt stmt) {
    Map<IntegerConstant, BasicBlockRef> targets = new HashMap<IntegerConstant, BasicBlockRef>();
    for (int i = stmt.getLowIndex(); i <= stmt.getHighIndex(); i++) {
        Unit target = stmt.getTarget(i - stmt.getLowIndex());
        targets.put(new IntegerConstant(i), function.newBasicBlockRef(new Label(target)));
    }
    BasicBlockRef def = function.newBasicBlockRef(new Label(stmt.getDefaultTarget()));
    Value key = immediate(stmt, (Immediate) stmt.getKey());
    function.add(new Switch(key, def, targets)).attach(stmt);
}

Example 8 with IntegerConstant

use of org.robovm.compiler.llvm.IntegerConstant in project robovm by robovm.

the class Linker method createClassInfoErrorStruct.

private StructureConstant createClassInfoErrorStruct(ModuleBuilder mb, ClazzInfo ci) {
    /*
         * Check that the class can be loaded, i.e. that the superclass and
         * interfaces of the class exist and are accessible to the class. Also
         * check that any exception the class uses in catch clauses exist and is
         * accessible to the class. If the class cannot be loaded we override
         * the ClassInfoHeader struct produced by the ClassCompiler for the
         * class with one which tells the code in bc.c to throw an appropriate
         * exception whenever the class is accessed.
         */
    int errorType = ClassCompiler.CI_ERROR_TYPE_NONE;
    String errorMessage = null;
    if (!ci.isInterface() && ci.hasSuperclass()) {
        // Check superclass
        ClazzInfo superclazz = ci.getSuperclass();
        if (superclazz.isPhantom()) {
            errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
            errorMessage = superclazz.getName();
        } else if (!checkClassAccessible(superclazz, ci)) {
            errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
            errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, superclazz, ci);
        } else if (superclazz.isInterface()) {
            errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
            errorMessage = String.format("class %s has interface %s as super class", ci, superclazz);
        }
    // No need to check for ClassCircularityError. Soot doesn't handle
    // such problems so the compilation will fail earlier.
    }
    if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
        // Check interfaces
        for (ClazzInfo interfaze : ci.getInterfaces()) {
            if (interfaze.isPhantom()) {
                errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
                errorMessage = interfaze.getName();
                break;
            } else if (!checkClassAccessible(interfaze, ci)) {
                errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
                errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, interfaze, ci);
                break;
            } else if (!interfaze.isInterface()) {
                errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
                errorMessage = String.format("class %s tries to implement class %s as interface", ci, interfaze);
                break;
            }
        }
    }
    if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
        // too.
        for (ClazzInfo ex : ci.getCatches()) {
            if (ex == null || ex.isPhantom()) {
                errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
                errorMessage = ex.getInternalName();
                break;
            } else if (!checkClassAccessible(ex, ci)) {
                errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
                errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, ex, ci);
                break;
            }
        }
    }
    if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
        return null;
    }
    // Create a ClassInfoError struct
    StructureConstantBuilder error = new StructureConstantBuilder();
    // Points to the runtime Class
    error.add(new NullConstant(I8_PTR));
    // struct
    error.add(new IntegerConstant(ClassCompiler.CI_ERROR));
    error.add(mb.getString(ci.getInternalName()));
    error.add(new IntegerConstant(errorType));
    error.add(mb.getString(errorMessage));
    return error.build();
}

Example 9 with IntegerConstant

use of org.robovm.compiler.llvm.IntegerConstant in project robovm by robovm.

the class Linker method createInstanceof.

private Function createInstanceof(ModuleBuilder mb, Clazz clazz, TypeInfo typeInfo) {
    Function fn = FunctionBuilder.instanceOf(clazz);
    Value info = getInfoStruct(mb, fn, clazz);
    if (typeInfo.error) {
        // This will trigger an exception
        call(fn, BC_LDC_CLASS, fn.getParameterRef(0), info);
        fn.add(new Ret(new IntegerConstant(0)));
    } else if (!clazz.getClazzInfo().isInterface()) {
        Value result = call(fn, INSTANCEOF_CLASS, fn.getParameterRef(0), info, fn.getParameterRef(1), new IntegerConstant((typeInfo.classTypes.length - 1) * 4 + 5 * 4), new IntegerConstant(typeInfo.id));
        fn.add(new Ret(result));
    } else {
        Value result = call(fn, INSTANCEOF_INTERFACE, fn.getParameterRef(0), info, fn.getParameterRef(1), new IntegerConstant(typeInfo.id));
        fn.add(new Ret(result));
    }
    return fn;
}

Example 10 with IntegerConstant

use of org.robovm.compiler.llvm.IntegerConstant in project robovm by robovm.

the class Linker method link.

public void link(Set<Clazz> classes) throws IOException {
    for (CompilerPlugin plugin : config.getCompilerPlugins()) {
        plugin.beforeLinker(config, this, classes);
    }
    Arch arch = config.getArch();
    OS os = config.getOs();
    Set<Clazz> linkClasses = new TreeSet<Clazz>(classes);
    config.getLogger().info("Linking %d classes (%s %s %s)", linkClasses.size(), os, arch, config.isDebug() ? "debug" : "release");
    ModuleBuilder mb = new ModuleBuilder();
    mb.addInclude(getClass().getClassLoader().getResource(String.format("header-%s-%s.ll", os.getFamily(), arch)));
    mb.addInclude(getClass().getClassLoader().getResource("header.ll"));
    mb.addGlobal(new Global("_bcRuntimeData", runtimeDataToBytes()));
    ArrayConstantBuilder staticLibs = new ArrayConstantBuilder(I8_PTR);
    for (Config.Lib lib : config.getLibs()) {
        String p = lib.getValue();
        if (p.endsWith(".a")) {
            p = new File(p).getName();
            String libName = p.substring(0, p.length() - 2);
            if (libName.startsWith("lib")) {
                libName = libName.substring(3);
            }
            staticLibs.add(mb.getString(libName));
        }
    }
    staticLibs.add(new NullConstant(Type.I8_PTR));
    mb.addGlobal(new Global("_bcStaticLibs", new ConstantGetelementptr(mb.newGlobal(staticLibs.build()).ref(), 0, 0)));
    HashTableGenerator<String, Constant> bcpHashGen = new HashTableGenerator<String, Constant>(new ModifiedUtf8HashFunction());
    HashTableGenerator<String, Constant> cpHashGen = new HashTableGenerator<String, Constant>(new ModifiedUtf8HashFunction());
    int classCount = 0;
    Map<ClazzInfo, TypeInfo> typeInfos = new HashMap<ClazzInfo, TypeInfo>();
    for (Clazz clazz : linkClasses) {
        TypeInfo typeInfo = new TypeInfo();
        typeInfo.clazz = clazz;
        typeInfo.id = classCount++;
        typeInfos.put(clazz.getClazzInfo(), typeInfo);
        StructureConstant infoErrorStruct = createClassInfoErrorStruct(mb, clazz.getClazzInfo());
        Global info = null;
        if (infoErrorStruct == null) {
            info = new Global(Symbols.infoStructSymbol(clazz.getInternalName()), external, I8_PTR, false);
        } else {
            typeInfo.error = true;
            info = new Global(Symbols.infoStructSymbol(clazz.getInternalName()), infoErrorStruct);
        }
        mb.addGlobal(info);
        if (clazz.isInBootClasspath()) {
            bcpHashGen.put(clazz.getInternalName(), new ConstantBitcast(info.ref(), I8_PTR));
        } else {
            cpHashGen.put(clazz.getInternalName(), new ConstantBitcast(info.ref(), I8_PTR));
        }
    }
    mb.addGlobal(new Global("_bcBootClassesHash", new ConstantGetelementptr(mb.newGlobal(bcpHashGen.generate(), true).ref(), 0, 0)));
    mb.addGlobal(new Global("_bcClassesHash", new ConstantGetelementptr(mb.newGlobal(cpHashGen.generate(), true).ref(), 0, 0)));
    ArrayConstantBuilder bootClasspathValues = new ArrayConstantBuilder(I8_PTR);
    ArrayConstantBuilder classpathValues = new ArrayConstantBuilder(I8_PTR);
    List<Path> allPaths = new ArrayList<Path>();
    allPaths.addAll(config.getClazzes().getPaths());
    allPaths.addAll(config.getResourcesPaths());
    for (Path path : allPaths) {
        String entryName = null;
        if (config.isSkipInstall() && config.getTarget().canLaunchInPlace()) {
            entryName = path.getFile().getAbsolutePath();
        } else {
            entryName = config.getTarget().getInstallRelativeArchivePath(path);
        }
        if (path.isInBootClasspath()) {
            bootClasspathValues.add(mb.getString(entryName));
        } else {
            classpathValues.add(mb.getString(entryName));
        }
    }
    bootClasspathValues.add(new NullConstant(Type.I8_PTR));
    classpathValues.add(new NullConstant(Type.I8_PTR));
    mb.addGlobal(new Global("_bcBootclasspath", new ConstantGetelementptr(mb.newGlobal(bootClasspathValues.build()).ref(), 0, 0)));
    mb.addGlobal(new Global("_bcClasspath", new ConstantGetelementptr(mb.newGlobal(classpathValues.build()).ref(), 0, 0)));
    if (config.getMainClass() != null) {
        mb.addGlobal(new Global("_bcMainClass", mb.getString(config.getMainClass())));
    }
    ModuleBuilder[] mbs = new ModuleBuilder[config.getThreads() + 1];
    FunctionRef[] stubRefs = new FunctionRef[mbs.length];
    ArrayConstantBuilder stubRefsArray = new ArrayConstantBuilder(I8_PTR);
    mbs[0] = mb;
    for (int i = 1; i < mbs.length; i++) {
        mbs[i] = new ModuleBuilder();
        mbs[i].addInclude(getClass().getClassLoader().getResource(String.format("header-%s-%s.ll", os.getFamily(), arch)));
        mbs[i].addInclude(getClass().getClassLoader().getResource("header.ll"));
        Function fn = new FunctionBuilder("_stripped_method" + i, new FunctionType(VOID, ENV_PTR)).linkage(external).build();
        call(fn, BC_THROW_NO_SUCH_METHOD_ERROR, fn.getParameterRef(0), mbs[i].getString("Method has been stripped out of the executable"));
        fn.add(new Unreachable());
        mbs[i].addFunction(fn);
        mb.addFunctionDeclaration(new FunctionDeclaration(fn.ref()));
        stubRefs[i] = fn.ref();
        stubRefsArray.add(new ConstantBitcast(fn.ref(), I8_PTR));
    }
    stubRefsArray.add(new NullConstant(I8_PTR));
    mb.addGlobal(new Global("_bcStrippedMethodStubs", stubRefsArray.build()));
    Random rnd = new Random();
    buildTypeInfos(typeInfos);
    Set<String> checkcasts = new HashSet<>();
    Set<String> instanceofs = new HashSet<>();
    Set<String> invokes = new HashSet<>();
    for (Clazz clazz : linkClasses) {
        ClazzInfo ci = clazz.getClazzInfo();
        checkcasts.addAll(ci.getCheckcasts());
        instanceofs.addAll(ci.getInstanceofs());
        invokes.addAll(ci.getInvokes());
    }
    Set<String> reachableMethods = new HashSet<>();
    for (Triple<String, String, String> node : config.getDependencyGraph().findReachableMethods()) {
        reachableMethods.add(node.getLeft() + "." + node.getMiddle() + node.getRight());
    }
    int totalMethodCount = 0;
    int reachableMethodCount = 0;
    for (Clazz clazz : linkClasses) {
        int mbIdx = rnd.nextInt(mbs.length - 1) + 1;
        ClazzInfo ci = clazz.getClazzInfo();
        // symbols errors.
        for (MethodInfo mi : ci.getMethods()) {
            if (!mi.isAbstract()) {
                totalMethodCount++;
                if (!reachableMethods.contains(clazz.getInternalName() + "." + mi.getName() + mi.getDesc())) {
                    createStrippedMethodStub(stubRefs[mbIdx], mbs[mbIdx], clazz, mi);
                } else {
                    reachableMethodCount++;
                }
            }
        }
        TypeInfo typeInfo = typeInfos.get(ci);
        if (typeInfo.error) {
            // Add an empty TypeInfo
            mb.addGlobal(new Global(Symbols.typeInfoSymbol(clazz.getInternalName()), new StructureConstantBuilder().add(new IntegerConstant(typeInfo.id)).add(new IntegerConstant(0)).add(new IntegerConstant(-1)).add(new IntegerConstant(0)).add(new IntegerConstant(0)).build()));
        } else {
            int[] classIds = new int[typeInfo.classTypes.length];
            for (int i = 0; i < typeInfo.classTypes.length; i++) {
                classIds[i] = typeInfo.classTypes[i].id;
            }
            int[] interfaceIds = new int[typeInfo.interfaceTypes.length];
            for (int i = 0; i < typeInfo.interfaceTypes.length; i++) {
                interfaceIds[i] = typeInfo.interfaceTypes[i].id;
            }
            mb.addGlobal(new Global(Symbols.typeInfoSymbol(clazz.getInternalName()), new StructureConstantBuilder().add(new IntegerConstant(typeInfo.id)).add(new IntegerConstant((typeInfo.classTypes.length - 1) * 4 + 5 * 4)).add(new IntegerConstant(-1)).add(new IntegerConstant(typeInfo.classTypes.length)).add(new IntegerConstant(typeInfo.interfaceTypes.length)).add(new ArrayConstantBuilder(I32).add(classIds).build()).add(new ArrayConstantBuilder(I32).add(interfaceIds).build()).build()));
            if (!config.isDebug() && !ci.isInterface() && !ci.isFinal() && typeInfo.children.isEmpty()) {
                // which doesn't do any lookup.
                for (MethodInfo mi : ci.getMethods()) {
                    String name = mi.getName();
                    if (!name.equals("<clinit>") && !name.equals("<init>") && !mi.isPrivate() && !mi.isStatic() && !mi.isFinal() && !mi.isAbstract()) {
                        if (invokes.contains(clazz.getInternalName() + "." + name + mi.getDesc())) {
                            if (reachableMethods.contains(clazz.getInternalName() + "." + name + mi.getDesc())) {
                                mbs[mbIdx].addFunction(createLookup(mbs[mbIdx], ci, mi));
                            }
                        }
                    }
                }
            }
        }
        if (checkcasts.contains(clazz.getInternalName())) {
            mbs[mbIdx].addFunction(createCheckcast(mbs[mbIdx], clazz, typeInfo));
        }
        if (instanceofs.contains(clazz.getInternalName())) {
            mbs[mbIdx].addFunction(createInstanceof(mbs[mbIdx], clazz, typeInfo));
        }
    }
    config.getLogger().info("%d methods out of %d included in the executable", reachableMethodCount, totalMethodCount);
    List<File> objectFiles = new ArrayList<File>();
    generateMachineCode(config, mbs, objectFiles);
    for (Clazz clazz : linkClasses) {
        objectFiles.add(config.getOFile(clazz));
    }
    /*
         * Assemble the lines files for all linked classes into the module.
         */
    for (Clazz clazz : linkClasses) {
        File f = config.getLinesOFile(clazz);
        if (f.exists() && f.length() > 0) {
            objectFiles.add(f);
        }
    }
    config.getTarget().build(objectFiles);
}