List of usage examples for org.objectweb.asm Opcodes IRETURN
int IRETURN
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From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
private void startInternalMethod() { // if (e != null) Label notReplacedLabel = new Label(); mv.visitFieldInsn(Opcodes.GETSTATIC, codeBlock.getClassName(), getReplaceFieldName(), executableDescriptor); mv.visitJumpInsn(Opcodes.IFNULL, notReplacedLabel); {/*from www . j ava 2 s . c o m*/ // return e.exec(returnAddress, alternativeReturnAddress, isJump); mv.visitFieldInsn(Opcodes.GETSTATIC, codeBlock.getClassName(), getReplaceFieldName(), executableDescriptor); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, executableInternalName, getExecMethodName(), getExecMethodDesc()); mv.visitInsn(Opcodes.IRETURN); } mv.visitLabel(notReplacedLabel); if (Profiler.isProfilerEnabled()) { loadImm(getCodeBlock().getStartAddress()); mv.visitMethodInsn(Opcodes.INVOKESTATIC, profilerInternalName, "addCall", "(I)V"); } if (RuntimeContext.debugCodeBlockCalls) { loadImm(getCodeBlock().getStartAddress()); mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, RuntimeContext.debugCodeBlockStart, "(I)V"); } }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
public void compileExecuteInterpreter(int startAddress) { loadImm(startAddress);//from ww w . j a v a 2 s .c om mv.visitMethodInsn(Opcodes.INVOKESTATIC, runtimeContextInternalName, "executeInterpreter", "(I)I"); endMethod(); mv.visitInsn(Opcodes.IRETURN); }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
public void compileNativeCodeSequence(NativeCodeSequence nativeCodeSequence, NativeCodeInstruction nativeCodeInstruction) { // The pc can be used by native code sequences, set it to the start address of the sequence storePc();/* ww w . j av a2 s.c o m*/ visitNativeCodeSequence(nativeCodeSequence, nativeCodeInstruction.getAddress(), nativeCodeInstruction); if (nativeCodeSequence.isReturning()) { loadRegister(_ra); endInternalMethod(); mv.visitInsn(Opcodes.IRETURN); } else if (nativeCodeSequence.isMethodReturning()) { endInternalMethod(); mv.visitInsn(Opcodes.IRETURN); } // Replacing the whole CodeBlock? if (getCodeBlock().getLength() == nativeCodeSequence.getNumOpcodes() && !nativeCodeSequence.hasBranchInstruction()) { nativeCodeManager.setCompiledNativeCodeBlock(getCodeBlock().getStartAddress(), nativeCodeSequence); // Be more verbose when Debug enabled. // Only log "Nop" native code sequence in debug. if (log.isDebugEnabled() || nativeCodeSequence.getNativeCodeSequenceClass().equals(Nop.class)) { if (log.isDebugEnabled()) { log.debug(String.format("Replacing CodeBlock at 0x%08X (%08X-0x%08X, length %d) by %s", getCodeBlock().getStartAddress(), getCodeBlock().getLowestAddress(), codeBlock.getHighestAddress(), codeBlock.getLength(), nativeCodeSequence)); } } else if (log.isInfoEnabled()) { log.info(String.format("Replacing CodeBlock at 0x%08X by Native Code '%s'", getCodeBlock().getStartAddress(), nativeCodeSequence.getName())); } } else { // Be more verbose when Debug enabled int endAddress = getCodeInstruction().getAddress() + (nativeCodeSequence.getNumOpcodes() - 1) * 4; if (log.isDebugEnabled()) { log.debug(String.format("Replacing CodeSequence at 0x%08X-0x%08X by Native Code %s", getCodeInstruction().getAddress(), endAddress, nativeCodeSequence)); } else if (log.isInfoEnabled()) { log.info(String.format("Replacing CodeSequence at 0x%08X-0x%08X by Native Code '%s'", getCodeInstruction().getAddress(), endAddress, nativeCodeSequence.getName())); } } }
From source file:lapin.comp.asm.ASMByteCodeGenerator.java
License:Open Source License
private void generateCall(CallableInfo ci, Env env) { /*/*w w w .jav a2 s . c om*/ * local variables * <Callable#call> * 0: this * 1: args (list of arguments) * 2: env * * <Callable0#call0> * 0: this * 1: env * * <Callable1#call1> * 0: this * 1: arg0 * 2: env * * <Callable2#call2> * 0: this * 1: arg0 * 2: arg1 * 3: env * * ... * */ MethodVisitor mv = _cw.visitMethod( ci.mi.implCallable() ? Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL : Opcodes.ACC_FINAL, ci.mi.name(), Type.getMethodDescriptor(ci.retType, ci.paramTypes), null, null); // instruction list int len = ci.mi.instLen(); // label Label label = null; // generate code for (int i = 0; i < len; i++) { Object inst = ci.mi.getInst(i); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\t~S", Lists.list(inst), env); // inst is symbol // -> convert tag (Symbol) to label (ASMe Label object) if (Data.isSymbol(inst)) { Symbol tag = Data.symbol(inst); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label is null: ~S.", Lists.list(tag)); } else if (l != label) { mv.visitLabel(l); label = l; if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S", Lists.list(tag, l), env); } else { if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S" + " (dup)", Lists.list(tag, l), env); } continue; } // inst must be the form of (id <arg1> <arg2> ....) Object id = Lists.car(inst); if (id == Insts.CONST) { /* push const on the stack. */ Object obj = Lists.cadr(inst); String val = Data.string(constTable.get(obj)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_OBJECT.getDescriptor()); } else if (id == Insts.VAR) { /* push var on the stack */ Object var = Lists.cadr(inst); String val = Data.string(varTable.get(var)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_SYMBOL.getDescriptor()); } else if (id == Insts.LAMBDA_LIST) { /* push lambdaList on the stack */ Object var = Lists.cadr(inst); /* push _ll_<i> on the stack */ String val = Data.string(llTable.get(var)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_LAMBDA_LIST.getDescriptor()); } else if (id == Insts.ENV_GET) { /* env.get */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getInt", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getDouble", Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getChar", Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "get", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_SET) { /* env.set */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_BIND) { /* env.bind */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_UNBIND) { /* env.unbind */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindInt", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindDouble", Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindChar", Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbind", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_CHILD) { /* env.child */ Object oldEnvVar = Lists.cadr(inst); Object newEnvVar = Lists.caddr(inst); Object oldSlot = Lists.cadr(oldEnvVar); Object newSlot = Lists.cadr(newEnvVar); int oldLocal = Data.fixnum(ci.localTable.get(oldSlot)).intValue(); int newLocal = Data.fixnum(ci.localTable.get(newSlot)).intValue(); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tenv-child: local ~S -> ~S", Lists.list(Data.toFixnum(oldLocal), Data.toFixnum(newLocal)), env); mv.visitVarInsn(Opcodes.ALOAD, oldLocal); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "child", Type.getMethodDescriptor(TYPE_ENV, TYPE_NO_ARGS)); mv.visitVarInsn(Opcodes.ASTORE, newLocal); } else if (id == Insts.CALL) { /* funcall */ int nargs = Data.fixnum(Lists.cadr(inst)).intValue(); String className = "lapin.eval.Funcall"; String methodName = nargs < 0 ? "funcall" : "funcall" + nargs; Class rType = Object.class; Class[] pTypes; if (nargs < 0) { pTypes = new Class[] { Function.class, Object.class, // list of args Env.class }; } else { pTypes = new Class[nargs + 2]; pTypes[0] = Function.class; for (int j = 0; j < nargs; j++) { pTypes[j + 1] = Object.class; } pTypes[nargs + 1] = Env.class; } Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); mv.visitMethodInsn(Opcodes.INVOKESTATIC, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.CALL_DIRECT) { /* * public class Foo * extends CompiledExpr implements Callable2 { * public Object call2(Object arg0, Object arg1, Env env) { * ... * } * } */ MethodInfo mi = (MethodInfo) Lists.cadr(inst); String className = mi.classInfo().classname(); int nargs = mi.nargs(); boolean rest = mi.rest(); String methodName = mi.name(); Class rType = mi.retType(); Class[] pTypes = mi.paramTypes(); Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.COMPILED_EXPR) { /* * public class Foo extends CompiledExpr { * static public Foo SELF; * ... * } */ String className = Data.string(Lists.cadr(inst)); String fieldName = "SELF"; String typeName = className; mv.visitFieldInsn(Opcodes.GETSTATIC, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.RETURN) { /* return */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class) || type.equals(short.class) || type.equals(byte.class) || type.equals(char.class)) { mv.visitInsn(Opcodes.IRETURN); } else if (type.equals(long.class)) { mv.visitInsn(Opcodes.LRETURN); } else if (type.equals(float.class)) { mv.visitInsn(Opcodes.FRETURN); } else if (type.equals(double.class)) { mv.visitInsn(Opcodes.DRETURN); } else if (type.equals(void.class)) { //mv.visitInsn(Opcodes.RETURN); throw new NotReachedException("unsupported returnType: ~S.", Lists.list(type)); } else { mv.visitInsn(Opcodes.ARETURN); } } else if (id == Insts.IFEQ) { /* conditional jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.IFEQ, l); } else if (id == Insts.IFNE) { /* conditional jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.IFNE, l); } else if (id == Insts.GOTO) { /* jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.GOTO, l); } else if (id == Insts.LOAD) { /* local -> stack */ Object localVar = Lists.cadr(inst); Object slot = Lists.cadr(localVar); Class type = Data.javaClass(Lists.caddr(localVar)); int local = Data.fixnum(ci.localTable.get(slot)).intValue(); int op = Type.getType(type).getOpcode(Opcodes.ILOAD); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tload: local=~S type=~S", Lists.list(Data.toFixnum(local), type), env); mv.visitVarInsn(op, local); } else if (id == Insts.STORE) { /* stack -> local */ Object localVar = Lists.cadr(inst); Object slot = Lists.cadr(localVar); Class type = Data.javaClass(Lists.caddr(localVar)); int local = Data.fixnum(ci.localTable.get(slot)).intValue(); int op = Type.getType(type).getOpcode(Opcodes.ISTORE); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tstore: local=~S type=~S", Lists.list(Data.toFixnum(local), type), env); mv.visitVarInsn(op, local); } else if (id == Insts.POP) { /* pop a value and discard it */ Class type = Data.javaClass(Lists.cadr(inst)); int op; switch (Classes.sizeOf(type)) { case 1: op = Opcodes.POP; break; case 2: op = Opcodes.POP2; break; default: throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } mv.visitInsn(op); } else if (id == Insts.DUP) { /* peek a value and duplicate it */ Class type = Data.javaClass(Lists.cadr(inst)); int op; switch (Classes.sizeOf(type)) { case 1: op = Opcodes.DUP; break; case 2: op = Opcodes.DUP2; break; default: throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } mv.visitInsn(op); } else if (id == Insts.PUSH) { /* push a constant */ Object val = Lists.cadr(inst); if (Data.isJavaBoolean(val)) { if (Data.javaBoolean(val).booleanValue()) mv.visitInsn(Opcodes.ICONST_1); else mv.visitInsn(Opcodes.ICONST_0); } else if (val instanceof Byte || val instanceof Short || val instanceof Integer) { int n = Data.javaNumber(val).intValue(); if (n == -1) mv.visitInsn(Opcodes.ICONST_M1); else if (n == 0) mv.visitInsn(Opcodes.ICONST_0); else if (n == 1) mv.visitInsn(Opcodes.ICONST_1); else if (n == 2) mv.visitInsn(Opcodes.ICONST_2); else if (n == 3) mv.visitInsn(Opcodes.ICONST_3); else if (n == 4) mv.visitInsn(Opcodes.ICONST_4); else if (n == 5) mv.visitInsn(Opcodes.ICONST_5); else if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE) mv.visitIntInsn(Opcodes.BIPUSH, n); else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE) mv.visitIntInsn(Opcodes.SIPUSH, n); else mv.visitLdcInsn(Data.toFixnum(n)); } else if (val instanceof Long) { long n = Data.javaNumber(val).longValue(); if (n == 0L) mv.visitInsn(Opcodes.LCONST_0); else if (n == 1L) mv.visitInsn(Opcodes.LCONST_1); else mv.visitLdcInsn(val); } else if (val instanceof Float) { float n = Data.javaNumber(val).floatValue(); if (n == 0.0f) mv.visitInsn(Opcodes.FCONST_0); else if (n == 1.0f) mv.visitInsn(Opcodes.FCONST_1); else if (n == 2.0f) mv.visitInsn(Opcodes.FCONST_2); else mv.visitLdcInsn(val); } else if (val instanceof Double) { double n = Data.javaNumber(val).doubleValue(); if (n == 0.0) mv.visitInsn(Opcodes.DCONST_0); else if (n == 1.0) mv.visitInsn(Opcodes.DCONST_1); else mv.visitLdcInsn(val); } else if (Data.isCharacter(val)) { Character c = Data.character(val); int n = (int) c.charValue(); if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE) mv.visitIntInsn(Opcodes.BIPUSH, n); else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE) mv.visitIntInsn(Opcodes.SIPUSH, n); else mv.visitLdcInsn(Data.toFixnum(n)); } else if (Data.isString(val)) { mv.visitLdcInsn(val); } else { throw new NotReachedException("cannot push: ~S.", Lists.list(val)); } } else if (id == Insts.GET) { Field f = Data.javaField(Lists.cadr(inst)); String fieldName = f.getName(); Class c = f.getDeclaringClass(); String className = c.getName(); Class t = f.getType(); String typeName = t.getName(); boolean isStatic = Classes.isStatic(f); int op = isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD; mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.PUT) { Field f = Data.javaField(Lists.cadr(inst)); String fieldName = f.getName(); Class c = f.getDeclaringClass(); String className = c.getName(); Class t = f.getType(); String typeName = t.getName(); boolean isStatic = Classes.isStatic(f); int op = isStatic ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD; mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.INVOKE) { Method m = Data.javaMethod(Lists.cadr(inst)); String methodName = m.getName(); Class c = m.getDeclaringClass(); String className = c.getName(); Class rType = m.getReturnType(); Class[] pTypes = m.getParameterTypes(); if (rType.equals(void.class)) { throw new NotReachedException("unsupported returnType: ~S.", Lists.list(rType)); } Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); boolean isStatic = Classes.isStatic(m); boolean isInterface = c.isInterface(); int op = isStatic ? Opcodes.INVOKESTATIC : isInterface ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL; mv.visitMethodInsn(op, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.CHECKCAST) { Class c = Data.javaClass(Lists.cadr(inst)); Type t = Type.getType(c); mv.visitTypeInsn(Opcodes.CHECKCAST, t.getInternalName()); } else if (id == Insts.THROW) { mv.visitInsn(Opcodes.ATHROW); } else if (id == Insts.CATCH) { Symbol tagS = Data.symbol(Lists.cadr(inst)); Symbol tagE = Data.symbol(Lists.caddr(inst)); Symbol tagH = Data.symbol(Lists.cadddr(inst)); String className; if (Lists.isEnd(Lists.cddddr(inst))) { className = null; } else { Class c = Data.javaClass(Lists.car(Lists.cddddr(inst))); className = toInternalName(c.getName()); } Label labelS = (Label) ci.labelTable.get(tagS); if (labelS == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagS)); } Label labelE = (Label) ci.labelTable.get(tagE); if (labelE == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagE)); } Label labelH = (Label) ci.labelTable.get(tagH); if (labelH == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagH)); } mv.visitTryCatchBlock(labelS, labelE, labelH, className); } //else if (id == Insts.CATCH_FROM || // id == Insts.CATCH_TO || // id == Insts.CATCH_HANDLER) { // /* nothing emitted */ // continue; //} else { throw new NotReachedException("unknown inst: ~S.", Lists.list(inst)); } } mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:lombok.patcher.MethodLogistics.java
License:Open Source License
private static int returnOpcodeFor(String returnSpec) { switch (returnSpec.charAt(0)) { case 'D': return Opcodes.DRETURN; case 'J': return Opcodes.LRETURN; case 'F': return Opcodes.FRETURN; case 'I': case 'S': case 'B': case 'Z': return Opcodes.IRETURN; case 'V': return Opcodes.RETURN; case 'L': case '[': return Opcodes.ARETURN; }/*from w w w .ja v a 2 s . co m*/ throw new IllegalStateException("Uhoh - bug - unrecognized JVM type: " + returnSpec); }
From source file:lucee.transformer.bytecode.reflection.ASMProxyFactory.java
License:Open Source License
private static byte[] _createMethod(Type type, Class clazz, Method method, Resource classRoot, String className) throws IOException { Class<?> rtn = method.getReturnType(); Type rtnType = Type.getType(rtn); className = className.replace('.', File.separatorChar); ClassWriter cw = ASMUtil.getClassWriter(); cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, className, null, ASM_METHOD.getInternalName(), null); // CONSTRUCTOR GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR, null, null, cw); Label begin = new Label(); adapter.visitLabel(begin);/*from w ww .ja v a2 s. c o m*/ adapter.loadThis(); adapter.visitVarInsn(Opcodes.ALOAD, 1); adapter.visitVarInsn(Opcodes.ALOAD, 2); adapter.invokeConstructor(ASM_METHOD, CONSTRUCTOR); adapter.visitInsn(Opcodes.RETURN); Label end = new Label(); adapter.visitLabel(end); adapter.endMethod(); /* GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC,CONSTRUCTOR,null,null,cw); Label begin = new Label(); adapter.visitLabel(begin); adapter.loadThis(); // clazz adapter.visitVarInsn(Opcodes.ALOAD, 2); // parameterTypes Class<?>[] params = method.getParameterTypes(); Type[] paramTypes = new Type[params.length]; ArrayVisitor av=new ArrayVisitor(); av.visitBegin(adapter, Types.CLASS, params.length); for(int i=0;i<params.length;i++){ paramTypes[i]=Type.getType(params[i]); av.visitBeginItem(adapter, i); loadClass(adapter,params[i]); av.visitEndItem(adapter); } av.visitEnd(); adapter.invokeConstructor(ASM_METHOD, ASM_METHOD_CONSTRUCTOR); adapter.visitInsn(Opcodes.RETURN); Label end = new Label(); adapter.visitLabel(end); adapter.endMethod(); */ // METHOD getName(); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, GET_NAME, null, null, cw); adapter.push(method.getName()); adapter.visitInsn(Opcodes.ARETURN); adapter.endMethod(); // METHOD getModifiers(); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, GET_MODIFIERS, null, null, cw); adapter.push(method.getModifiers()); adapter.visitInsn(Opcodes.IRETURN); adapter.endMethod(); // METHOD getReturnType(); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, GET_RETURN_TYPE_AS_STRING, null, null, cw); adapter.push(method.getReturnType().getName()); adapter.visitInsn(Opcodes.ARETURN); adapter.endMethod(); // METHOD INVOKE boolean isStatic = Modifier.isStatic(method.getModifiers()); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, INVOKE, null, null, cw); Label start = adapter.newLabel(); adapter.visitLabel(start); // load Object if (!isStatic) { adapter.visitVarInsn(Opcodes.ALOAD, 1); adapter.checkCast(type); } // load params Class<?>[] params = method.getParameterTypes(); Type[] paramTypes = new Type[params.length]; for (int i = 0; i < params.length; i++) { paramTypes[i] = Type.getType(params[i]); } for (int i = 0; i < params.length; i++) { adapter.visitVarInsn(Opcodes.ALOAD, 2); adapter.push(i); //adapter.visitInsn(Opcodes.ICONST_0); adapter.visitInsn(Opcodes.AALOAD); adapter.checkCast(toReferenceType(params[i], paramTypes[i])); // cast if (params[i] == boolean.class) adapter.invokeVirtual(Types.BOOLEAN, BOOL_VALUE); else if (params[i] == short.class) adapter.invokeVirtual(Types.SHORT, SHORT_VALUE); else if (params[i] == int.class) adapter.invokeVirtual(Types.INTEGER, INT_VALUE); else if (params[i] == float.class) adapter.invokeVirtual(Types.FLOAT, FLT_VALUE); else if (params[i] == long.class) adapter.invokeVirtual(Types.LONG, LONG_VALUE); else if (params[i] == double.class) adapter.invokeVirtual(Types.DOUBLE, DBL_VALUE); else if (params[i] == char.class) adapter.invokeVirtual(Types.CHARACTER, CHR_VALUE); else if (params[i] == byte.class) adapter.invokeVirtual(Types.BYTE, BYT_VALUE); //else adapter.checkCast(paramTypes[i]); } // call method final org.objectweb.asm.commons.Method m = new org.objectweb.asm.commons.Method(method.getName(), rtnType, paramTypes); if (isStatic) adapter.invokeStatic(type, m); else adapter.invokeVirtual(type, m); // return if (rtn == void.class) ASMConstants.NULL(adapter); // cast result to object if (rtn == boolean.class) adapter.invokeStatic(Types.BOOLEAN, BOOL_VALUE_OF); else if (rtn == short.class) adapter.invokeStatic(Types.SHORT, SHORT_VALUE_OF); else if (rtn == int.class) adapter.invokeStatic(Types.INTEGER, INT_VALUE_OF); else if (rtn == long.class) adapter.invokeStatic(Types.LONG, LONG_VALUE_OF); else if (rtn == float.class) adapter.invokeStatic(Types.FLOAT, FLT_VALUE_OF); else if (rtn == double.class) adapter.invokeStatic(Types.DOUBLE, DBL_VALUE_OF); else if (rtn == char.class) adapter.invokeStatic(Types.CHARACTER, CHR_VALUE_OF); else if (rtn == byte.class) adapter.invokeStatic(Types.BYTE, BYT_VALUE_OF); adapter.visitInsn(Opcodes.ARETURN); adapter.endMethod(); if (classRoot != null) { Resource classFile = classRoot.getRealResource(className + ".class"); return store(cw.toByteArray(), classFile); } return cw.toByteArray(); }
From source file:lucee.transformer.bytecode.util.JavaProxyFactory.java
License:Open Source License
private static void _createMethod(ClassWriter cw, Map<String, Class> mDone, Method src, String className) throws IOException { Class<?>[] classArgs = src.getParameterTypes(); Class<?> classRtn = src.getReturnType(); String str = src.getName() + "(" + Reflector.getDspMethods(classArgs) + ")"; Class rtnClass = mDone.get(str); if (rtnClass != null) { if (rtnClass != classRtn) throw new IOException("there is a conflict with method [" + str + "], this method is declared more than once with different return types."); return;//from w w w. j a va2 s . co m } mDone.put(str, classRtn); Type[] typeArgs = ASMUtil.toTypes(classArgs); Type typeRtn = Type.getType(classRtn); org.objectweb.asm.commons.Method method = new org.objectweb.asm.commons.Method(src.getName(), typeRtn, typeArgs); GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, method, null, null, cw); //BytecodeContext bc = new BytecodeContext(statConstr,constr,null,null,keys,cw,className,adapter,method,writeLog); Label start = adapter.newLabel(); adapter.visitLabel(start); //JavaProxy.call(cfc,"add",new Object[]{arg0}) // config adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitFieldInsn(Opcodes.GETFIELD, className, "config", CONFIG_WEB_NAME); // cfc adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitFieldInsn(Opcodes.GETFIELD, className, "cfc", COMPONENT_NAME); // name adapter.push(src.getName()); // arguments ArrayVisitor av = new ArrayVisitor(); av.visitBegin(adapter, Types.OBJECT, typeArgs.length); for (int y = 0; y < typeArgs.length; y++) { av.visitBeginItem(adapter, y); adapter.loadArg(y); if (classArgs[y] == boolean.class) adapter.invokeStatic(JAVA_PROXY, _BOOLEAN); else if (classArgs[y] == byte.class) adapter.invokeStatic(JAVA_PROXY, _BYTE); else if (classArgs[y] == char.class) adapter.invokeStatic(JAVA_PROXY, _CHAR); else if (classArgs[y] == double.class) adapter.invokeStatic(JAVA_PROXY, _DOUBLE); else if (classArgs[y] == float.class) adapter.invokeStatic(JAVA_PROXY, _FLOAT); else if (classArgs[y] == int.class) adapter.invokeStatic(JAVA_PROXY, _INT); else if (classArgs[y] == long.class) adapter.invokeStatic(JAVA_PROXY, _LONG); else if (classArgs[y] == short.class) adapter.invokeStatic(JAVA_PROXY, _SHORT); else { adapter.invokeStatic(JAVA_PROXY, _OBJECT); } av.visitEndItem(adapter); } av.visitEnd(); adapter.invokeStatic(JAVA_PROXY, CALL); //JavaProxy.to...(...); int rtn = Opcodes.IRETURN; if (classRtn == boolean.class) adapter.invokeStatic(JAVA_PROXY, TO_BOOLEAN); else if (classRtn == byte.class) adapter.invokeStatic(JAVA_PROXY, TO_BYTE); else if (classRtn == char.class) adapter.invokeStatic(JAVA_PROXY, TO_CHAR); else if (classRtn == double.class) { rtn = Opcodes.DRETURN; adapter.invokeStatic(JAVA_PROXY, TO_DOUBLE); } else if (classRtn == float.class) { rtn = Opcodes.FRETURN; adapter.invokeStatic(JAVA_PROXY, TO_FLOAT); } else if (classRtn == int.class) adapter.invokeStatic(JAVA_PROXY, TO_INT); else if (classRtn == long.class) { rtn = Opcodes.LRETURN; adapter.invokeStatic(JAVA_PROXY, TO_LONG); } else if (classRtn == short.class) adapter.invokeStatic(JAVA_PROXY, TO_SHORT); else if (classRtn == void.class) { rtn = Opcodes.RETURN; adapter.pop(); } else { rtn = Opcodes.ARETURN; adapter.checkCast(typeRtn); } /*mv = cw.visitMethod(ACC_PUBLIC, "add", "(Ljava/lang/Object;)Z", null, null); mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(20, l0); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, "Test", "cfc", "Ljava/lang/Object;"); mv.visitLdcInsn("add"); mv.visitInsn(ICONST_1); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitInsn(DUP); mv.visitInsn(ICONST_0); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(AASTORE); mv.visitMethodInsn(INVOKESTATIC, "JavaProxy", "call", "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/Object;"); mv.visitMethodInsn(INVOKESTATIC, "JavaProxy", "toBoolean", "(Ljava/lang/Object;)Z"); mv.visitInsn(IRETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "LTest;", null, l0, l1, 0); mv.visitLocalVariable("arg0", "Ljava/lang/Object;", null, l0, l1, 1); mv.visitMaxs(6, 2); mv.visitEnd();*/ adapter.visitInsn(rtn); adapter.endMethod(); }
From source file:me.themallard.bitmmo.api.transformer.Transformer.java
License:Open Source License
protected final void createGetter(ClassNode cn, FieldNode fn, String name) { MethodVisitor mv = cn.visitMethod(Opcodes.ACC_PUBLIC, name, "()" + fn.desc, null, null); mv.visitVarInsn(Opcodes.ALOAD, 0);//from w ww . ja va2s . c o m mv.visitFieldInsn(Opcodes.GETFIELD, cn.name, fn.name, fn.desc); mv.visitInsn(Type.getType(fn.desc).getOpcode(Opcodes.IRETURN)); mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:me.themallard.bitmmo.impl.plugin.playerhook.PlayerPlugin.java
License:Open Source License
@Override public void run(ClassNode cn) { MethodVisitor mv = cn.visitMethod(Opcodes.ACC_PUBLIC, "getPosition", "()" + "Lme/themallard/bitmmo/impl/plugin/position/IPosition;", null, null); mv.visitVarInsn(Opcodes.ALOAD, 0);/*from w w w . j av a2 s. c om*/ mv.visitFieldInsn(Opcodes.GETFIELD, "Entity", "position", "LPosition;"); mv.visitInsn( Type.getType("Lme/themallard/bitmmo/impl/plugin/position/IPosition;").getOpcode(Opcodes.IRETURN)); mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:net.cazzar.corelib.asm.MethodTransformer.java
License:Open Source License
private boolean isReturn(AbstractInsnNode node) { switch (node.getOpcode()) { case Opcodes.RET: case Opcodes.RETURN: case Opcodes.ARETURN: case Opcodes.DRETURN: case Opcodes.FRETURN: case Opcodes.IRETURN: case Opcodes.LRETURN: return true; default:// w w w . j a v a2 s . c o m return false; } }