List of usage examples for org.objectweb.asm Opcodes DUP_X1
int DUP_X1
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From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java
License:Apache License
/** * Reflection-based allocation (@see java.lang.reflect.Array#newInstance) is * triggered with a static method call (INVOKESTATIC), so we hook it here. * Class initialization is triggered with a constructor call (INVOKESPECIAL) * so we hook that here too as a proxy for the new bytecode which leaves an * uninitialized object on the stack that we're not allowed to touch. * {@link java.lang.Object#clone} is also a call to INVOKESPECIAL, * and is hooked here. {@link java.lang.Class#newInstance} and * {@link java.lang.reflect.Constructor#newInstance} are both * INVOKEVIRTUAL calls, so they are hooked here, as well. *//*from ww w . j a v a 2 s .c om*/ @Override public void visitMethodInsn(final int opcode, final String owner, final String name, final String signature, final boolean itf) { if (opcode == Opcodes.INVOKESTATIC && // Array does its own native allocation. Grr. owner.equals("java/lang/reflect/Array") && name.equals("newInstance")) { if (signature.equals("(Ljava/lang/Class;I)Ljava/lang/Object;")) { final Label beginScopeLabel = new Label(); final Label endScopeLabel = new Label(); super.visitLabel(beginScopeLabel); // stack: ... class count final int countIndex = newLocal("I", beginScopeLabel, endScopeLabel); super.visitVarInsn(Opcodes.ISTORE, countIndex); // -> stack: ... class pushClassNameOnStack(); // -> stack: ... class className final int typeNameIndex = newLocal("Ljava/lang/String;", beginScopeLabel, endScopeLabel); super.visitVarInsn(Opcodes.ASTORE, typeNameIndex); // -> stack: ... class super.visitVarInsn(Opcodes.ILOAD, countIndex); // -> stack: ... class count super.visitMethodInsn(opcode, owner, name, signature, itf); // -> stack: ... newobj super.visitInsn(Opcodes.DUP); // -> stack: ... newobj newobj super.visitVarInsn(Opcodes.ILOAD, countIndex); // -> stack: ... newobj newobj count super.visitInsn(Opcodes.SWAP); // -> stack: ... newobj count newobj super.visitVarInsn(Opcodes.ALOAD, typeNameIndex); super.visitLabel(endScopeLabel); // -> stack: ... newobj count newobj className super.visitInsn(Opcodes.SWAP); // -> stack: ... newobj count className newobj super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE, false); // -> stack: ... newobj return; } else if (signature.equals("(Ljava/lang/Class;[I)Ljava/lang/Object;")) { final Label beginScopeLabel = new Label(); final Label endScopeLabel = new Label(); super.visitLabel(beginScopeLabel); final int dimsArrayIndex = newLocal("[I", beginScopeLabel, endScopeLabel); // stack: ... class dimsArray pushProductOfIntArrayOnStack(); // -> stack: ... class dimsArray product final int productIndex = newLocal("I", beginScopeLabel, endScopeLabel); super.visitVarInsn(Opcodes.ISTORE, productIndex); // -> stack: ... class dimsArray super.visitVarInsn(Opcodes.ASTORE, dimsArrayIndex); // -> stack: ... class pushClassNameOnStack(); // -> stack: ... class className final int typeNameIndex = newLocal("Ljava/lang/String;", beginScopeLabel, endScopeLabel); super.visitVarInsn(Opcodes.ASTORE, typeNameIndex); // -> stack: ... class super.visitVarInsn(Opcodes.ALOAD, dimsArrayIndex); // -> stack: ... class dimsArray super.visitMethodInsn(opcode, owner, name, signature, itf); // -> stack: ... newobj super.visitInsn(Opcodes.DUP); // -> stack: ... newobj newobj super.visitVarInsn(Opcodes.ILOAD, productIndex); // -> stack: ... newobj newobj product super.visitInsn(Opcodes.SWAP); // -> stack: ... newobj product newobj super.visitVarInsn(Opcodes.ALOAD, typeNameIndex); super.visitLabel(endScopeLabel); // -> stack: ... newobj product newobj className super.visitInsn(Opcodes.SWAP); // -> stack: ... newobj product className newobj super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE, false); // -> stack: ... newobj return; } } if (opcode == Opcodes.INVOKEVIRTUAL) { if ("clone".equals(name) && owner.startsWith("[")) { super.visitMethodInsn(opcode, owner, name, signature, itf); int i = 0; while (i < owner.length()) { if (owner.charAt(i) != '[') { break; } i++; } if (i > 1) { // -> stack: ... newobj super.visitTypeInsn(Opcodes.CHECKCAST, owner); // -> stack: ... arrayref calculateArrayLengthAndDispatch(owner.substring(i), i); } else { // -> stack: ... newobj super.visitInsn(Opcodes.DUP); // -> stack: ... newobj newobj super.visitTypeInsn(Opcodes.CHECKCAST, owner); // -> stack: ... newobj arrayref super.visitInsn(Opcodes.ARRAYLENGTH); // -> stack: ... newobj length super.visitInsn(Opcodes.SWAP); // -> stack: ... length newobj invokeRecordAllocation(owner.substring(i)); } return; } else if ("newInstance".equals(name)) { if ("java/lang/Class".equals(owner) && "()Ljava/lang/Object;".equals(signature)) { super.visitInsn(Opcodes.DUP); // -> stack: ... Class Class super.visitMethodInsn(opcode, owner, name, signature, itf); // -> stack: ... Class newobj super.visitInsn(Opcodes.DUP_X1); // -> stack: ... newobj Class newobj super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, CLASS_RECORDER_SIG, false); // -> stack: ... newobj return; } else if ("java/lang/reflect/Constructor".equals(owner) && "([Ljava/lang/Object;)Ljava/lang/Object;".equals(signature)) { buildRecorderFromObject(opcode, owner, name, signature, itf); return; } } } if (opcode == Opcodes.INVOKESPECIAL) { if ("clone".equals(name) && "java/lang/Object".equals(owner)) { buildRecorderFromObject(opcode, owner, name, signature, itf); return; } else if ("<init>".equals(name) && outstandingAllocs > 0) { // Tricky because superclass initializers mean there can be more calls // to <init> than calls to NEW; hence outstandingAllocs. --outstandingAllocs; // Most of the time (i.e. in bytecode generated by javac) it is the case // that following an <init> call the top of the stack has a reference ot // the newly-initialized object. But nothing in the JVM Spec requires // this, so we need to play games with the stack to make an explicit // extra copy (and then discard it). dupStackElementBeforeSignatureArgs(signature); super.visitMethodInsn(opcode, owner, name, signature, itf); super.visitLdcInsn(-1); super.visitInsn(Opcodes.SWAP); invokeRecordAllocation(owner); super.visitInsn(Opcodes.POP); return; } } super.visitMethodInsn(opcode, owner, name, signature, itf); }
From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java
License:Apache License
private void invokeRecordAllocation(String typeName) { final Matcher matcher = namePattern.matcher(typeName); if (matcher.find()) { typeName = matcher.group(1);/*from w w w .j a v a2 s . c om*/ } // stack: ... count newobj super.visitInsn(Opcodes.DUP_X1); // -> stack: ... newobj count newobj super.visitLdcInsn(typeName); // -> stack: ... newobj count newobj typename super.visitInsn(Opcodes.SWAP); // -> stack: ... newobj count typename newobj super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE, false); // -> stack: ... newobj }
From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java
License:Apache License
void calculateArrayLengthAndDispatch(final String typeName, final int dimCount) { // Since the dimensions of the array are not known at instrumentation // time, we take the created multi-dimensional array and peel off nesting // levels from the left. For each nesting layer we probe the array length // and accumulate a partial product which we can then feed the recording // function.//from w w w. j a v a 2s . com // below we note the partial product of dimensions 1 to X-1 as productToX // (so productTo1 == 1 == no dimensions yet). We denote by aref0 the // array reference at the current nesting level (the containing aref's [0] // element). If we hit a level whose arraylength is 0 there's no point // continuing so we shortcut out. final Label zeroDimension = new Label(); super.visitInsn(Opcodes.DUP); // -> stack: ... origaref aref0 super.visitLdcInsn(1); // -> stack: ... origaref aref0 productTo1 for (int i = 0; i < dimCount; ++i) { // pre: stack: ... origaref aref0 productToI super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref productToI aref super.visitInsn(Opcodes.DUP_X1); // -> stack: ... origaref aref0 productToI aref super.visitInsn(Opcodes.ARRAYLENGTH); // -> stack: ... origaref aref0 productToI dimI final Label nonZeroDimension = new Label(); super.visitInsn(Opcodes.DUP); // -> stack: ... origaref aref0 productToI dimI dimI super.visitJumpInsn(Opcodes.IFNE, nonZeroDimension); // -> stack: ... origaref aref0 productToI dimI super.visitInsn(Opcodes.POP); // -> stack: ... origaref aref0 productToI super.visitJumpInsn(Opcodes.GOTO, zeroDimension); super.visitLabel(nonZeroDimension); // -> stack: ... origaref aref0 productToI max(dimI,1) super.visitInsn(Opcodes.IMUL); // -> stack: ... origaref aref0 productTo{I+1} if (i < dimCount - 1) { super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref productTo{I+1} aref0 super.visitInsn(Opcodes.ICONST_0); // -> stack: ... origaref productTo{I+1} aref0 0 super.visitInsn(Opcodes.AALOAD); // -> stack: ... origaref productTo{I+1} aref0' super.visitInsn(Opcodes.SWAP); } // post: stack: ... origaref aref0 productTo{I+1} } super.visitLabel(zeroDimension); super.visitInsn(Opcodes.SWAP); // -> stack: ... origaref product aref0 super.visitInsn(Opcodes.POP); // -> stack: ... origaref product super.visitInsn(Opcodes.SWAP); // -> stack: ... product origaref invokeRecordAllocation(typeName); }
From source file:com.google.test.metric.asm.MethodVisitorBuilder.java
License:Apache License
public void visitInsn(final int opcode) { switch (opcode) { case Opcodes.ACONST_NULL: recorder.add(new Runnable() { public void run() { block.addOp(new Load(lineNumber, new Constant(null, JavaType.OBJECT))); }//from ww w. j av a 2 s. co m }); break; case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: loadConstant(opcode - Opcodes.ICONST_M1 - 1, JavaType.INT); break; case Opcodes.LCONST_0: case Opcodes.LCONST_1: loadConstant(opcode - Opcodes.LCONST_0, JavaType.LONG); break; case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: loadConstant(opcode - Opcodes.FCONST_0, JavaType.FLOAT); break; case Opcodes.DCONST_0: case Opcodes.DCONST_1: loadConstant(opcode - Opcodes.DCONST_0, JavaType.DOUBLE); break; case Opcodes.IALOAD: recordArrayLoad(JavaType.INT); break; case Opcodes.LALOAD: recordArrayLoad(JavaType.LONG); break; case Opcodes.FALOAD: recordArrayLoad(JavaType.FLOAT); break; case Opcodes.DALOAD: recordArrayLoad(JavaType.DOUBLE); break; case Opcodes.AALOAD: recordArrayLoad(JavaType.OBJECT); break; case Opcodes.BALOAD: recordArrayLoad(JavaType.BYTE); break; case Opcodes.CALOAD: recordArrayLoad(JavaType.CHAR); break; case Opcodes.SALOAD: recordArrayLoad(JavaType.SHORT); break; case Opcodes.IASTORE: recordArrayStore(JavaType.INT); break; case Opcodes.LASTORE: recordArrayStore(JavaType.LONG); break; case Opcodes.FASTORE: recordArrayStore(JavaType.FLOAT); break; case Opcodes.DASTORE: recordArrayStore(JavaType.DOUBLE); break; case Opcodes.AASTORE: recordArrayStore(JavaType.OBJECT); break; case Opcodes.BASTORE: recordArrayStore(JavaType.BYTE); break; case Opcodes.CASTORE: recordArrayStore(JavaType.CHAR); break; case Opcodes.SASTORE: recordArrayStore(JavaType.SHORT); break; case Opcodes.POP: case Opcodes.POP2: recorder.add(new Runnable() { public void run() { block.addOp(new Pop(lineNumber, opcode - Opcodes.POP + 1)); } }); break; case Opcodes.DUP: case Opcodes.DUP_X1: case Opcodes.DUP_X2: recorder.add(new Runnable() { public void run() { int offset = opcode - Opcodes.DUP; block.addOp(new Duplicate(lineNumber, offset)); } }); break; case Opcodes.DUP2: case Opcodes.DUP2_X1: case Opcodes.DUP2_X2: recorder.add(new Runnable() { public void run() { block.addOp(new Duplicate2(lineNumber, opcode - Opcodes.DUP2)); } }); break; case Opcodes.SWAP: recorder.add(new Runnable() { public void run() { block.addOp(new Swap(lineNumber)); } }); break; case Opcodes.IRETURN: _return(JavaType.INT); break; case Opcodes.FRETURN: _return(JavaType.FLOAT); break; case Opcodes.ARETURN: _return(JavaType.OBJECT); break; case Opcodes.LRETURN: _return(JavaType.LONG); break; case Opcodes.DRETURN: _return(JavaType.DOUBLE); break; case Opcodes.ATHROW: recorder.add(new Runnable() { public void run() { block.addOp(new Throw(lineNumber)); } }); break; case Opcodes.RETURN: _return(JavaType.VOID); break; case Opcodes.LCMP: operation("cmp", JavaType.LONG, JavaType.LONG, JavaType.INT); break; case Opcodes.FCMPL: operation("cmpl", JavaType.FLOAT, JavaType.FLOAT, JavaType.INT); break; case Opcodes.FCMPG: operation("cmpg", JavaType.FLOAT, JavaType.FLOAT, JavaType.INT); break; case Opcodes.DCMPL: operation("cmpl", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.INT); break; case Opcodes.DCMPG: operation("cmpg", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.INT); break; case Opcodes.LSHL: operation("shl", JavaType.LONG, JavaType.INT, JavaType.LONG); break; case Opcodes.LSHR: operation("shr", JavaType.LONG, JavaType.INT, JavaType.LONG); break; case Opcodes.LUSHR: operation("ushr", JavaType.LONG, JavaType.INT, JavaType.LONG); break; case Opcodes.LADD: operation("add", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LSUB: operation("sub", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LDIV: operation("div", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LREM: operation("rem", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LAND: operation("and", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LOR: operation("or", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LXOR: operation("xor", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.LMUL: operation("mul", JavaType.LONG, JavaType.LONG, JavaType.LONG); break; case Opcodes.FADD: operation("add", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT); break; case Opcodes.FSUB: operation("sub", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT); break; case Opcodes.FMUL: operation("mul", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT); break; case Opcodes.FREM: operation("rem", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT); break; case Opcodes.FDIV: operation("div", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT); break; case Opcodes.ISHL: operation("shl", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.ISHR: operation("shr", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IUSHR: operation("ushr", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IADD: operation("add", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.ISUB: operation("sub", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IMUL: operation("mul", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IDIV: operation("div", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IREM: operation("rem", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IAND: operation("and", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IOR: operation("or", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.IXOR: operation("xor", JavaType.INT, JavaType.INT, JavaType.INT); break; case Opcodes.DSUB: operation("sub", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE); break; case Opcodes.DADD: operation("add", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE); break; case Opcodes.DMUL: operation("mul", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE); break; case Opcodes.DDIV: operation("div", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE); break; case Opcodes.DREM: operation("rem", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE); break; case Opcodes.L2I: convert(JavaType.LONG, JavaType.INT); break; case Opcodes.L2F: convert(JavaType.LONG, JavaType.FLOAT); break; case Opcodes.L2D: convert(JavaType.LONG, JavaType.DOUBLE); break; case Opcodes.LNEG: operation("neg", JavaType.LONG, null, JavaType.LONG); break; case Opcodes.F2I: convert(JavaType.FLOAT, JavaType.INT); break; case Opcodes.F2L: convert(JavaType.FLOAT, JavaType.LONG); break; case Opcodes.FNEG: operation("neg", JavaType.FLOAT, null, JavaType.FLOAT); break; case Opcodes.F2D: convert(JavaType.FLOAT, JavaType.DOUBLE); break; case Opcodes.D2I: convert(JavaType.DOUBLE, JavaType.INT); break; case Opcodes.D2L: convert(JavaType.DOUBLE, JavaType.LONG); break; case Opcodes.D2F: convert(JavaType.DOUBLE, JavaType.FLOAT); break; case Opcodes.DNEG: operation("neg", JavaType.DOUBLE, null, JavaType.DOUBLE); break; case Opcodes.I2L: convert(JavaType.INT, JavaType.LONG); break; case Opcodes.I2F: convert(JavaType.INT, JavaType.FLOAT); break; case Opcodes.I2D: convert(JavaType.INT, JavaType.DOUBLE); break; case Opcodes.I2B: convert(JavaType.INT, JavaType.BYTE); break; case Opcodes.I2C: convert(JavaType.INT, JavaType.CHAR); break; case Opcodes.I2S: convert(JavaType.INT, JavaType.SHORT); break; case Opcodes.INEG: operation("neg", JavaType.INT, null, JavaType.INT); break; case Opcodes.ARRAYLENGTH: operation("arraylength", JavaType.OBJECT.toArray(), null, JavaType.INT); break; case Opcodes.MONITORENTER: recorder.add(new Runnable() { public void run() { block.addOp(new MonitorEnter(lineNumber)); } }); break; case Opcodes.MONITOREXIT: recorder.add(new Runnable() { public void run() { block.addOp(new MonitorExit(lineNumber)); } }); break; case Opcodes.NOP: recorder.add(new Runnable() { public void run() { block.addOp(new Transform(lineNumber, "NOP", null, null, null)); } }); } }
From source file:com.mebigfatguy.junitflood.jvm.OperandStack.java
License:Apache License
public void performInsn(int opcode) { switch (opcode) { case Opcodes.NOP: break;/*w w w . j a v a 2 s. c om*/ case Opcodes.ACONST_NULL: { Operand op = new Operand(); op.setNull(true); push(op); } break; case Opcodes.ICONST_M1: { Operand op = new Operand(); op.setConstant(Integer.valueOf(-1)); push(op); } break; case Opcodes.ICONST_0: { Operand op = new Operand(); op.setConstant(Integer.valueOf(0)); push(op); } break; case Opcodes.ICONST_1: { Operand op = new Operand(); op.setConstant(Integer.valueOf(1)); push(op); } break; case Opcodes.ICONST_2: { Operand op = new Operand(); op.setConstant(Integer.valueOf(2)); push(op); } break; case Opcodes.ICONST_3: { Operand op = new Operand(); op.setConstant(Integer.valueOf(3)); push(op); } break; case Opcodes.ICONST_4: { Operand op = new Operand(); op.setConstant(Integer.valueOf(4)); push(op); } break; case Opcodes.ICONST_5: { Operand op = new Operand(); op.setConstant(Integer.valueOf(5)); push(op); } break; case Opcodes.LCONST_0: { Operand op = new Operand(); op.setConstant(Long.valueOf(0)); push(op); } break; case Opcodes.LCONST_1: { Operand op = new Operand(); op.setConstant(Long.valueOf(1)); push(op); } break; case Opcodes.FCONST_0: { Operand op = new Operand(); op.setConstant(Float.valueOf(0)); push(op); } break; case Opcodes.FCONST_1: { Operand op = new Operand(); op.setConstant(Float.valueOf(1)); push(op); } break; case Opcodes.FCONST_2: { Operand op = new Operand(); op.setConstant(Float.valueOf(2)); push(op); } break; case Opcodes.DCONST_0: { Operand op = new Operand(); op.setConstant(Double.valueOf(0)); push(op); } break; case Opcodes.DCONST_1: { Operand op = new Operand(); op.setConstant(Double.valueOf(1)); push(op); } break; case Opcodes.IALOAD: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LALOAD: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FALOAD: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DALOAD: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.AALOAD: { pop2(); Operand op = new Operand(); op.setSignature("Ljava/lang/Object;"); push(op); } break; case Opcodes.BALOAD: { pop2(); Operand op = new Operand(); op.setSignature("B"); push(op); } break; case Opcodes.CALOAD: { pop2(); Operand op = new Operand(); op.setSignature("C"); push(op); } break; case Opcodes.SALOAD: { pop2(); Operand op = new Operand(); op.setSignature("S"); push(op); } break; case Opcodes.IASTORE: case Opcodes.LASTORE: case Opcodes.FASTORE: case Opcodes.DASTORE: case Opcodes.AASTORE: case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: if (stack.size() < 2) { stack.clear(); } else { Operand value = stack.remove(stack.size() - 1); Operand reg = stack.remove(stack.size() - 1); registers.put(Integer.valueOf(reg.getRegister()), value); } break; case Opcodes.POP: pop(); break; case Opcodes.POP2: pop2(); break; case Opcodes.DUP: if (!stack.isEmpty()) { Operand op = stack.get(stack.size() - 1); push(op); } break; case Opcodes.DUP_X1: if (stack.size() >= 2) { Operand op = stack.get(stack.size() - 1); stack.add(stack.size() - 2, op); } break; case Opcodes.DUP_X2: if (stack.size() >= 2) { Operand op = stack.get(stack.size() - 2); String sig = op.getSignature(); op = stack.get(stack.size() - 1); if ("J".equals(sig) || "D".equals(sig)) { stack.add(stack.size() - 2, op); } else if (stack.size() >= 3) { stack.add(stack.size() - 3, op); } } break; case Opcodes.DUP2: if (stack.size() >= 2) { stack.add(stack.get(stack.size() - 2)); stack.add(stack.get(stack.size() - 2)); } break; case Opcodes.DUP2_X1: if (stack.size() >= 1) { Operand op = stack.get(stack.size() - 1); String sig = op.getSignature(); if ("J".equals(sig) || "D".equals(sig)) { if (stack.size() >= 3) { stack.add(stack.size() - 3, op); op = stack.get(stack.size() - 2); stack.add(stack.size() - 4, op); } } else { if (stack.size() >= 2) { stack.add(stack.size() - 2, op); } } } break; case Opcodes.DUP2_X2: if (stack.size() >= 1) { Operand op = stack.get(stack.size() - 1); String sig = op.getSignature(); if ("J".equals(sig) || "D".equals(sig)) { if (stack.size() >= 2) { op = stack.get(stack.size() - 2); sig = op.getSignature(); if ("J".equals(sig) || "D".equals(sig)) { op = stack.get(stack.size() - 1); stack.add(stack.size() - 2, op); } else { if (stack.size() >= 3) { op = stack.get(stack.size() - 1); stack.add(stack.size() - 3, op); } } } } else { if (stack.size() >= 3) { op = stack.get(stack.size() - 3); sig = op.getSignature(); if ("J".equals(sig) || "D".equals(sig)) { op = stack.get(stack.size() - 2); stack.add(stack.size() - 3, op); op = stack.get(stack.size() - 1); stack.add(stack.size() - 3, op); } else { if (stack.size() >= 4) { op = stack.get(stack.size() - 2); stack.add(stack.size() - 4, op); op = stack.get(stack.size() - 1); stack.add(stack.size() - 4, op); } } } } } break; case Opcodes.SWAP: if (stack.size() >= 2) { Operand op = stack.remove(stack.size() - 1); stack.add(stack.size() - 1, op); } break; case Opcodes.IADD: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LADD: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FADD: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DADD: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.ISUB: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LSUB: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FSUB: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DSUB: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.IMUL: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LMUL: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FMUL: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DMUL: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.IDIV: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LDIV: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FDIV: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DDIV: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.IREM: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LREM: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FREM: { pop2(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DREM: { pop2(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.INEG: { pop(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LNEG: { pop(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.FNEG: { pop(); Operand op = new Operand(); op.setSignature("F"); push(op); } break; case Opcodes.DNEG: { pop(); Operand op = new Operand(); op.setSignature("D"); push(op); } break; case Opcodes.ISHL: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LSHL: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.ISHR: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LSHR: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.IUSHR: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LUSHR: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.IAND: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LAND: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.IOR: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LOR: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.IXOR: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.LXOR: { pop2(); Operand op = new Operand(); op.setSignature("J"); push(op); } break; case Opcodes.I2L: { Operand lop = new Operand(); lop.setSignature("J"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { lop.setConstant(Long.valueOf(((Integer) o).longValue())); } } push(lop); } break; case Opcodes.I2F: { Operand fop = new Operand(); fop.setSignature("F"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { fop.setConstant(Float.valueOf(((Integer) o).floatValue())); } } push(fop); } break; case Opcodes.I2D: { Operand dop = new Operand(); dop.setSignature("D"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { dop.setConstant(Double.valueOf(((Integer) o).doubleValue())); } } push(dop); } break; case Opcodes.L2I: { Operand iop = new Operand(); iop.setSignature("I"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { iop.setConstant(Integer.valueOf(((Long) o).intValue())); } } push(iop); } break; case Opcodes.L2F: { Operand fop = new Operand(); fop.setSignature("F"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { fop.setConstant(Float.valueOf(((Long) o).floatValue())); } } push(fop); } break; case Opcodes.L2D: { Operand dop = new Operand(); dop.setSignature("D"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { dop.setConstant(Double.valueOf(((Long) o).doubleValue())); } } push(dop); } break; case Opcodes.F2I: { Operand iop = new Operand(); iop.setSignature("I"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { iop.setConstant(Integer.valueOf(((Float) o).intValue())); } } push(iop); } break; case Opcodes.F2L: { Operand lop = new Operand(); lop.setSignature("J"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { lop.setConstant(Long.valueOf(((Float) o).longValue())); } } push(lop); } break; case Opcodes.F2D: { Operand dop = new Operand(); dop.setSignature("D"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { dop.setConstant(Double.valueOf(((Float) o).doubleValue())); } } push(dop); } break; case Opcodes.D2I: { Operand iop = new Operand(); iop.setSignature("I"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { iop.setConstant(Integer.valueOf(((Double) o).intValue())); } } push(iop); } break; case Opcodes.D2L: { Operand lop = new Operand(); lop.setSignature("J"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { lop.setConstant(Long.valueOf(((Double) o).longValue())); } } push(lop); } break; case Opcodes.D2F: { Operand fop = new Operand(); fop.setSignature("F"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { fop.setConstant(Float.valueOf(((Double) o).floatValue())); } } push(fop); } break; case Opcodes.I2B: { Operand bop = new Operand(); bop.setSignature("B"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { bop.setConstant(Byte.valueOf(((Integer) o).byteValue())); } } push(bop); } break; case Opcodes.I2C: { Operand cop = new Operand(); cop.setSignature("C"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { cop.setConstant(Character.valueOf((char) ((Integer) o).intValue())); } } push(cop); } break; case Opcodes.I2S: { Operand sop = new Operand(); sop.setSignature("S"); if (!stack.isEmpty()) { Operand op = stack.remove(stack.size() - 1); Object o = op.getConstant(); if (o != null) { sop.setConstant(Short.valueOf((short) ((Integer) o).intValue())); } } push(sop); } break; case Opcodes.LCMP: case Opcodes.FCMPL: case Opcodes.FCMPG: case Opcodes.DCMPL: case Opcodes.DCMPG: { pop2(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.IRETURN: case Opcodes.LRETURN: case Opcodes.FRETURN: case Opcodes.DRETURN: case Opcodes.ARETURN: pop(); break; case Opcodes.RETURN: //nop break; case Opcodes.ARRAYLENGTH: { pop(); Operand op = new Operand(); op.setSignature("I"); push(op); } break; case Opcodes.ATHROW: case Opcodes.MONITORENTER: case Opcodes.MONITOREXIT: pop(); break; } }
From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java
License:Apache License
void dupX1(final InsnList insnList) { insnList.add(new InsnNode(Opcodes.DUP_X1)); }
From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java
License:Apache License
@Override public void visitInsn(int opcode) { Expression e;/*from www. ja v a 2s.c o m*/ Expression first; Expression second; switch (opcode) { case Opcodes.ARRAYLENGTH: e = Expression.arrayLength(_exprStack.pop()); break; case Opcodes.ACONST_NULL: e = Expression.constant(null, Object.class); break; case Opcodes.IALOAD: case Opcodes.LALOAD: case Opcodes.FALOAD: case Opcodes.DALOAD: case Opcodes.AALOAD: case Opcodes.BALOAD: case Opcodes.CALOAD: case Opcodes.SALOAD: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.arrayIndex(second, first); break; case Opcodes.DCONST_0: e = Expression.constant(0d, Double.TYPE); break; case Opcodes.DCONST_1: e = Expression.constant(1d, Double.TYPE); break; case Opcodes.FCMPG: case Opcodes.FCMPL: case Opcodes.DCMPG: case Opcodes.DCMPL: case Opcodes.LCMP: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.subtract(second, first); break; case Opcodes.FCONST_0: e = Expression.constant(0f, Float.TYPE); break; case Opcodes.FCONST_1: e = Expression.constant(1f, Float.TYPE); break; case Opcodes.FCONST_2: e = Expression.constant(2f, Float.TYPE); break; case Opcodes.ICONST_M1: e = Expression.constant(-1, Integer.TYPE); break; case Opcodes.ICONST_0: e = Expression.constant(0, Integer.TYPE); break; case Opcodes.ICONST_1: e = Expression.constant(1, Integer.TYPE); break; case Opcodes.ICONST_2: e = Expression.constant(2, Integer.TYPE); break; case Opcodes.ICONST_3: e = Expression.constant(3, Integer.TYPE); break; case Opcodes.ICONST_4: e = Expression.constant(4, Integer.TYPE); break; case Opcodes.ICONST_5: e = Expression.constant(5, Integer.TYPE); break; case Opcodes.LCONST_0: e = Expression.constant(0l, Long.TYPE); break; case Opcodes.LCONST_1: e = Expression.constant(1l, Long.TYPE); break; case Opcodes.IADD: case Opcodes.LADD: case Opcodes.FADD: case Opcodes.DADD: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.add(second, first); break; case Opcodes.ISUB: case Opcodes.LSUB: case Opcodes.FSUB: case Opcodes.DSUB: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.subtract(second, first); break; case Opcodes.IMUL: case Opcodes.LMUL: case Opcodes.FMUL: case Opcodes.DMUL: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.multiply(second, first); break; case Opcodes.IDIV: case Opcodes.LDIV: case Opcodes.FDIV: case Opcodes.DDIV: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.divide(second, first); break; case Opcodes.IREM: case Opcodes.LREM: case Opcodes.FREM: case Opcodes.DREM: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.modulo(second, first); break; case Opcodes.INEG: case Opcodes.LNEG: case Opcodes.FNEG: case Opcodes.DNEG: first = _exprStack.pop(); e = Expression.negate(first); break; case Opcodes.ISHL: case Opcodes.LSHL: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.leftShift(second, first); break; case Opcodes.ISHR: case Opcodes.LSHR: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.rightShift(second, first); break; case Opcodes.IUSHR: case Opcodes.LUSHR: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.rightShift(second, first); break; case Opcodes.IAND: case Opcodes.LAND: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.bitwiseAnd(second, first); break; case Opcodes.IOR: case Opcodes.LOR: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.bitwiseOr(second, first); break; case Opcodes.IXOR: case Opcodes.LXOR: first = _exprStack.pop(); second = _exprStack.pop(); e = Expression.exclusiveOr(second, first); break; case Opcodes.I2B: case Opcodes.I2C: case Opcodes.I2S: first = _exprStack.pop(); e = Expression.convert(first, NumericTypeLookup2[opcode - Opcodes.I2B]); break; case Opcodes.I2L: case Opcodes.I2F: case Opcodes.I2D: first = _exprStack.pop(); e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.I2L + 1]); break; case Opcodes.L2I: case Opcodes.L2F: case Opcodes.L2D: int l2l = opcode > Opcodes.L2I ? 1 : 0; first = _exprStack.pop(); e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.L2I + l2l]); break; case Opcodes.F2I: case Opcodes.F2L: case Opcodes.F2D: int f2f = opcode == Opcodes.F2D ? 1 : 0; first = _exprStack.pop(); e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.F2I + f2f]); break; case Opcodes.D2I: case Opcodes.D2L: case Opcodes.D2F: first = _exprStack.pop(); e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.D2I]); break; case Opcodes.IRETURN: case Opcodes.LRETURN: case Opcodes.FRETURN: case Opcodes.DRETURN: case Opcodes.ARETURN: go(null); return; case Opcodes.SWAP: first = _exprStack.pop(); second = _exprStack.pop(); _exprStack.push(first); _exprStack.push(second); case Opcodes.DUP: case Opcodes.DUP_X1: case Opcodes.DUP_X2: case Opcodes.DUP2: case Opcodes.DUP2_X1: case Opcodes.DUP2_X2: // our stack is not divided to words int base = (opcode - Opcodes.DUP) % 3; base++; dup(_exprStack, base, base - 1); return; case Opcodes.NOP: return; case Opcodes.RETURN: default: throw notLambda(opcode); } _exprStack.push(e); }
From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.SimpleInstruction.java
License:Open Source License
@Override public String toString() { switch (getOpcode()) { // the not interesting ones: case Opcodes.NOP: return "NOP"; // constants: case Opcodes.ACONST_NULL: return "ACONST_NULL"; case Opcodes.ICONST_M1: return "ICONST_M1"; case Opcodes.ICONST_0: return "ICONST_0"; case Opcodes.ICONST_1: return "ICONST_1"; case Opcodes.ICONST_2: return "ICONST_2"; case Opcodes.ICONST_3: return "ICONST_3"; case Opcodes.ICONST_4: return "ICONST_4"; case Opcodes.ICONST_5: return "ICONST_5"; case Opcodes.LCONST_0: return "LCONST_0"; case Opcodes.LCONST_1: return "LCONST_1"; case Opcodes.FCONST_0: return "FCONST_0"; case Opcodes.FCONST_1: return "FCONST_1"; case Opcodes.FCONST_2: return "FCONST_2"; case Opcodes.DCONST_0: return "DCONST_0"; case Opcodes.DCONST_1: return "DCONST_1"; // array load: case Opcodes.IALOAD: return "IALOAD"; case Opcodes.LALOAD: return "LALOAD"; case Opcodes.FALOAD: return "FALOAD"; case Opcodes.DALOAD: return "DALOAD"; case Opcodes.AALOAD: return "AALOAD"; case Opcodes.BALOAD: return "BALOAD"; case Opcodes.CALOAD: return "CALOAD"; case Opcodes.SALOAD: return "SALOAD"; // array store: case Opcodes.IASTORE: return "IASTORE"; case Opcodes.LASTORE: return "LASTORE"; case Opcodes.FASTORE: return "FASTORE"; case Opcodes.DASTORE: return "DASTORE"; case Opcodes.AASTORE: return "AASTORE"; case Opcodes.BASTORE: return "BASTORE"; case Opcodes.CASTORE: return "CASTORE"; case Opcodes.SASTORE: return "SASTORE"; // stack manipulation: case Opcodes.POP: return "POP"; case Opcodes.POP2: return "POP2"; case Opcodes.DUP: return "DUP"; case Opcodes.DUP_X1: return "DUP_X1"; case Opcodes.DUP_X2: return "DUP_X2"; case Opcodes.DUP2: return "DUP2"; case Opcodes.DUP2_X1: return "DUP2_X1"; case Opcodes.DUP2_X2: return "DUP2_X2"; case Opcodes.SWAP: return "SWAP"; // arithmetic: case Opcodes.IADD: return "IADD"; case Opcodes.LADD: return "LADD"; case Opcodes.FADD: return "FADD"; case Opcodes.DADD: return "DADD"; case Opcodes.ISUB: return "ISUB"; case Opcodes.LSUB: return "LSUB"; case Opcodes.FSUB: return "FSUB"; case Opcodes.DSUB: return "DSUB"; case Opcodes.IMUL: return "IMUL"; case Opcodes.LMUL: return "LMUL"; case Opcodes.FMUL: return "FMUL"; case Opcodes.DMUL: return "DMUL"; case Opcodes.IDIV: return "IDIV"; case Opcodes.LDIV: return "LDIV"; case Opcodes.FDIV: return "FDIV"; case Opcodes.DDIV: return "DDIV"; case Opcodes.IREM: return "IREM"; case Opcodes.LREM: return "LREM"; case Opcodes.FREM: return "FREM"; case Opcodes.DREM: return "DREM"; case Opcodes.INEG: return "INEG"; case Opcodes.LNEG: return "LNEG"; case Opcodes.FNEG: return "FNEG"; case Opcodes.DNEG: return "DNEG"; case Opcodes.ISHL: return "ISHL"; case Opcodes.LSHL: return "LSHL"; case Opcodes.ISHR: return "ISHR"; case Opcodes.LSHR: return "LSHR"; case Opcodes.IUSHR: return "IUSHR"; case Opcodes.LUSHR: return "LUSHR"; case Opcodes.IAND: return "IAND"; case Opcodes.LAND: return "LAND"; case Opcodes.IOR: return "IOR"; case Opcodes.LOR: return "LOR"; case Opcodes.IXOR: return "IXOR"; case Opcodes.LXOR: return "LXOR"; // type conversions: case Opcodes.I2L: return "I2L"; case Opcodes.I2F: return "I2F"; case Opcodes.I2D: return "I2D"; case Opcodes.L2I: return "L2I"; case Opcodes.L2F: return "L2F"; case Opcodes.L2D: return "L2D"; case Opcodes.F2I: return "F2I"; case Opcodes.F2L: return "F2L"; case Opcodes.F2D: return "F2D"; case Opcodes.D2I: return "D2I"; case Opcodes.D2L: return "D2L"; case Opcodes.D2F: return "D2F"; case Opcodes.I2B: return "I2B"; case Opcodes.I2C: return "I2C"; case Opcodes.I2S: return "I2S"; // comparison: case Opcodes.LCMP: return "LCMP"; case Opcodes.FCMPL: return "FCMPL"; case Opcodes.FCMPG: return "FCMPG"; case Opcodes.DCMPL: return "DCMPL"; case Opcodes.DCMPG: return "DCMPG"; // control-flow statements: case Opcodes.IRETURN: return "IRETURN"; case Opcodes.LRETURN: return "LRETURN"; case Opcodes.FRETURN: return "FRETURN"; case Opcodes.DRETURN: return "DRETURN"; case Opcodes.ARETURN: return "ARETURN"; case Opcodes.RETURN: return "RETURN"; // special things case Opcodes.ARRAYLENGTH: return "ARRAYLENGTH"; case Opcodes.ATHROW: return "ATHROW"; case Opcodes.MONITORENTER: return "MONITORENTER"; case Opcodes.MONITOREXIT: return "MONITOREXIT"; default:/*from ww w . j a va 2s.c o m*/ assert false; return "--ERROR--"; } }
From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java
License:BSD License
@Override public void visitInsn(final int opcode) { super.visitInsn(opcode); switch (opcode) { case Opcodes.IRETURN: // 1 before n/a after case Opcodes.FRETURN: // 1 before n/a after case Opcodes.ARETURN: // 1 before n/a after case Opcodes.ATHROW: // 1 before n/a after this.stackFrame.pop(); break;//from w w w. ja v a 2 s . c o m case Opcodes.LRETURN: // 2 before n/a after case Opcodes.DRETURN: // 2 before n/a after this.stackFrame.pop(); this.stackFrame.pop(); break; case Opcodes.NOP: case Opcodes.LALOAD: // remove 2 add 2 case Opcodes.DALOAD: // remove 2 add 2 case Opcodes.LNEG: case Opcodes.DNEG: case Opcodes.FNEG: case Opcodes.INEG: case Opcodes.L2D: case Opcodes.D2L: case Opcodes.F2I: case Opcodes.I2B: case Opcodes.I2C: case Opcodes.I2S: case Opcodes.I2F: case Opcodes.ARRAYLENGTH: break; case Opcodes.ACONST_NULL: case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.F2L: // 1 before 2 after case Opcodes.F2D: case Opcodes.I2L: case Opcodes.I2D: this.stackFrame.push(OTHER); break; case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.DCONST_0: case Opcodes.DCONST_1: this.stackFrame.push(OTHER); this.stackFrame.push(OTHER); break; case Opcodes.IALOAD: // remove 2 add 1 case Opcodes.FALOAD: // remove 2 add 1 case Opcodes.AALOAD: // remove 2 add 1 case Opcodes.BALOAD: // remove 2 add 1 case Opcodes.CALOAD: // remove 2 add 1 case Opcodes.SALOAD: // remove 2 add 1 case Opcodes.POP: case Opcodes.IADD: case Opcodes.FADD: case Opcodes.ISUB: case Opcodes.LSHL: // 3 before 2 after case Opcodes.LSHR: // 3 before 2 after case Opcodes.LUSHR: // 3 before 2 after case Opcodes.L2I: // 2 before 1 after case Opcodes.L2F: // 2 before 1 after case Opcodes.D2I: // 2 before 1 after case Opcodes.D2F: // 2 before 1 after case Opcodes.FSUB: case Opcodes.FMUL: case Opcodes.FDIV: case Opcodes.FREM: case Opcodes.FCMPL: // 2 before 1 after case Opcodes.FCMPG: // 2 before 1 after case Opcodes.IMUL: case Opcodes.IDIV: case Opcodes.IREM: case Opcodes.ISHL: case Opcodes.ISHR: case Opcodes.IUSHR: case Opcodes.IAND: case Opcodes.IOR: case Opcodes.IXOR: case Opcodes.MONITORENTER: case Opcodes.MONITOREXIT: this.stackFrame.pop(); break; case Opcodes.POP2: case Opcodes.LSUB: case Opcodes.LMUL: case Opcodes.LDIV: case Opcodes.LREM: case Opcodes.LADD: case Opcodes.LAND: case Opcodes.LOR: case Opcodes.LXOR: case Opcodes.DADD: case Opcodes.DMUL: case Opcodes.DSUB: case Opcodes.DDIV: case Opcodes.DREM: this.stackFrame.pop(); this.stackFrame.pop(); break; case Opcodes.IASTORE: case Opcodes.FASTORE: case Opcodes.AASTORE: case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: case Opcodes.LCMP: // 4 before 1 after case Opcodes.DCMPL: case Opcodes.DCMPG: this.stackFrame.pop(); this.stackFrame.pop(); this.stackFrame.pop(); break; case Opcodes.LASTORE: case Opcodes.DASTORE: this.stackFrame.pop(); this.stackFrame.pop(); this.stackFrame.pop(); this.stackFrame.pop(); break; case Opcodes.DUP: this.stackFrame.push(this.stackFrame.peek()); break; case Opcodes.DUP_X1: { final int _s = stackFrame.size(); stackFrame.add(_s - 2, stackFrame.get(_s - 1)); break; } case Opcodes.DUP_X2: { final int _s = stackFrame.size(); stackFrame.add(_s - 3, stackFrame.get(_s - 1)); break; } case Opcodes.DUP2: { final int _s = stackFrame.size(); stackFrame.add(_s - 2, stackFrame.get(_s - 1)); stackFrame.add(_s - 2, stackFrame.get(_s - 1)); break; } case Opcodes.DUP2_X1: { final int _s = stackFrame.size(); stackFrame.add(_s - 3, stackFrame.get(_s - 1)); stackFrame.add(_s - 3, stackFrame.get(_s - 1)); break; } case Opcodes.DUP2_X2: { final int _s = stackFrame.size(); stackFrame.add(_s - 4, stackFrame.get(_s - 1)); stackFrame.add(_s - 4, stackFrame.get(_s - 1)); break; } case Opcodes.SWAP: { final int _s = stackFrame.size(); stackFrame.add(_s - 2, stackFrame.get(_s - 1)); stackFrame.remove(_s); break; } } }
From source file:dyco4j.instrumentation.internals.TracingMethodVisitor.java
License:BSD License
@Override public final void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) { if (this.cv.cmdLineOptions.traceFieldAccess) { final Type _fieldType = Type.getType(desc); final String _fieldId = this.cv.getFieldId(name, owner, desc); final boolean _isFieldStatic = opcode == Opcodes.GETSTATIC || opcode == Opcodes.PUTSTATIC; if (opcode == Opcodes.GETSTATIC || opcode == Opcodes.GETFIELD) { if (_isFieldStatic) super.visitInsn(Opcodes.ACONST_NULL); else if (this.thisInitialized) super.visitInsn(Opcodes.DUP); else { super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS); super.visitInsn(Opcodes.SWAP); }//from w ww .java2s . c o m super.visitFieldInsn(opcode, owner, name, desc); LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.GETF); } else if (opcode == Opcodes.PUTSTATIC || opcode == Opcodes.PUTFIELD) { if (_isFieldStatic) { super.visitInsn(Opcodes.ACONST_NULL); } else if (this.thisInitialized) { LoggingHelper.emitSwapTwoWordsAndOneWord(this.mv, _fieldType); final int _fieldSort = _fieldType.getSort(); if (_fieldSort == Type.LONG || _fieldSort == Type.DOUBLE) super.visitInsn(Opcodes.DUP_X2); else super.visitInsn(Opcodes.DUP_X1); } else { super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS); } LoggingHelper.emitSwapOneWordAndTwoWords(this.mv, _fieldType); LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.PUTF); super.visitFieldInsn(opcode, owner, name, desc); } } else super.visitFieldInsn(opcode, owner, name, desc); }