List of usage examples for org.objectweb.asm Opcodes IFGE
int IFGE
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From source file:de.scoopgmbh.copper.instrument.BuildStackInfoAdapter.java
License:Apache License
@Override public void visitJumpInsn(int arg0, Label arg1) { savePreviousFrame();// w ww . j a v a 2s. c o m switch (arg0) { case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPNE: currentFrame.popStack(); case Opcodes.IFEQ: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IFLT: case Opcodes.IFNE: case Opcodes.IFNONNULL: case Opcodes.IFNULL: currentFrame.popStack(); case Opcodes.GOTO: forwardFrames.put(arg1, new StackInfo(currentFrame)); break; case Opcodes.JSR: currentFrame.pushStack(retAddressType); forwardFrames.put(arg1, new StackInfo(currentFrame)); break; default: logger.debug("Unhandled: "); } if (logger.isDebugEnabled()) logger.debug("jumpInsn " + getOpCode(arg0) + " " + arg1); delegate.visitJumpInsn(arg0, arg1); }
From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInliner.java
License:Open Source License
private boolean evalSingleOpValue(final Number op1, final int opcode) { switch (opcode) { case Opcodes.IFEQ: return op1.intValue() == 0; case Opcodes.IFNE: return op1.intValue() != 0; case Opcodes.IFLT: return op1.intValue() < 0; case Opcodes.IFGE: return op1.intValue() >= 0; case Opcodes.IFGT: return op1.intValue() > 0; case Opcodes.IFLE: return op1.intValue() <= 0; case Opcodes.IFNULL: return op1 == null; case Opcodes.IFNONNULL: return op1 != null; default:/* w ww. j a va 2 s. c o m*/ return false; } }
From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoop.java
License:Open Source License
private boolean eval(final int i, final int loopCount, final int ifNode) { if (ifNode == Opcodes.IF_ICMPLE) { return i <= loopCount; }//from w w w. ja va 2 s .c o m if (ifNode == Opcodes.IF_ICMPEQ) { return i == loopCount; } if (ifNode == Opcodes.IF_ICMPGE) { return i >= loopCount; } if (ifNode == Opcodes.IF_ICMPGT) { return i > loopCount; } if (ifNode == Opcodes.IF_ICMPLT) { return i < loopCount; } if (ifNode == Opcodes.IF_ICMPNE) { return i != loopCount; } if (ifNode == Opcodes.IFGE) { return i >= 0; } if (ifNode == Opcodes.IFEQ) { return i == 0; } if (ifNode == Opcodes.IFGT) { return i > 0; } if (ifNode == Opcodes.IFLE) { return i <= 0; } if (ifNode == Opcodes.IFLT) { return i < 0; } if (ifNode == Opcodes.IFNE) { return i != 0; } return false; }
From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction.java
License:Open Source License
@Override public String toString() { String condition;// www . j a v a 2 s. c o m switch (getOpcode()) { case Opcodes.IFEQ: condition = "IFEQ"; break; case Opcodes.IFNE: condition = "IFNE"; break; case Opcodes.IFLT: condition = "IFLT"; break; case Opcodes.IFGE: condition = "IFGE"; break; case Opcodes.IFGT: condition = "IFGT"; break; case Opcodes.IFLE: condition = "IFLE"; break; case Opcodes.IF_ICMPEQ: condition = "IF_ICMPEQ"; break; case Opcodes.IF_ICMPNE: condition = "IF_ICMPNE"; break; case Opcodes.IF_ICMPLT: condition = "IF_ICMPLT"; break; case Opcodes.IF_ICMPGE: condition = "IF_ICMPGE"; break; case Opcodes.IF_ICMPGT: condition = "IF_ICMPGT"; break; case Opcodes.IF_ICMPLE: condition = "IF_ICMPLE"; break; case Opcodes.IF_ACMPEQ: condition = "IF_ACMPEQ"; break; case Opcodes.IF_ACMPNE: condition = "IF_ACMPNE"; break; case Opcodes.GOTO: condition = "GOTO"; break; case Opcodes.JSR: condition = "JSR"; break; case Opcodes.IFNULL: condition = "IFNULL"; break; case Opcodes.IFNONNULL: condition = "IFNONNULL"; break; default: assert false; condition = "--ERROR--"; break; } return condition + " " + this.label; }
From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction2.java
License:Open Source License
@Override public String toString() { String condition;/* w ww . j a v a 2 s. c o m*/ switch (getOpcode()) { case Opcodes.IFEQ: condition = "IFEQ"; break; case Opcodes.IFNE: condition = "IFNE"; break; case Opcodes.IFLT: condition = "IFLT"; break; case Opcodes.IFGE: condition = "IFGE"; break; case Opcodes.IFGT: condition = "IFGT"; break; case Opcodes.IFLE: condition = "IFLE"; break; case Opcodes.IF_ICMPEQ: condition = "IF_ICMPEQ"; break; case Opcodes.IF_ICMPNE: condition = "IF_ICMPNE"; break; case Opcodes.IF_ICMPLT: condition = "IF_ICMPLT"; break; case Opcodes.IF_ICMPGE: condition = "IF_ICMPGE"; break; case Opcodes.IF_ICMPGT: condition = "IF_ICMPGT"; break; case Opcodes.IF_ICMPLE: condition = "IF_ICMPLE"; break; case Opcodes.IF_ACMPEQ: condition = "IF_ACMPEQ"; break; case Opcodes.IF_ACMPNE: condition = "IF_ACMPNE"; break; case Opcodes.GOTO: condition = "GOTO"; break; case Opcodes.JSR: condition = "JSR"; break; case Opcodes.IFNULL: condition = "IFNULL"; break; case Opcodes.IFNONNULL: condition = "IFNONNULL"; break; default: assert false; condition = "--ERROR--"; break; } return condition + " " + this.target; }
From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java
License:BSD License
@Override public void visitJumpInsn(final int opcode, final Label label) { mv.visitJumpInsn(opcode, label);//w ww . ja va 2 s . c o m switch (opcode) { case Opcodes.IFEQ: case Opcodes.IFNE: case Opcodes.IFLT: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IFNULL: case Opcodes.IFNONNULL: this.stackFrame.pop(); break; case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: this.stackFrame.pop(); this.stackFrame.pop(); break; case Opcodes.JSR: this.stackFrame.push(OTHER); break; } addBranch(label); }
From source file:edu.mit.streamjit.util.bytecode.MethodResolver.java
License:Open Source License
private void interpret(JumpInsnNode insn, FrameState frame, BBInfo block) { //All JumpInsnNodes have a target. Find it. BBInfo target = blockByInsn(insn.label); assert target != null; if (insn.getOpcode() == Opcodes.GOTO) { block.block.instructions().add(new JumpInst(target.block)); return;//from ww w .ja v a2 s. c o m } else if (insn.getOpcode() == Opcodes.JSR) throw new UnsupportedOperationException("jsr not supported; upgrade to Java 6-era class files"); //Remaining opcodes are branches. BBInfo fallthrough = blocks.get(blocks.indexOf(block) + 1); BranchInst.Sense sense = OPCODE_TO_SENSE.get(insn.getOpcode()); //The second operand may come from the stack or may be a constant 0 or null. Value right; switch (insn.getOpcode()) { case Opcodes.IFEQ: case Opcodes.IFNE: case Opcodes.IFLT: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: right = module.constants().getConstant(0); break; case Opcodes.IFNULL: case Opcodes.IFNONNULL: right = module.constants().getNullConstant(); break; case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: right = frame.stack.pop(); break; default: throw new AssertionError("Can't happen! Branch opcode missing? " + insn.getOpcode()); } //First operand always comes from the stack. Value left = frame.stack.pop(); block.block.instructions().add(new BranchInst(left, sense, right, target.block, fallthrough.block)); }
From source file:edu.umd.cs.guitar.testcase.plugin.edg.ClassDBVisitor.java
License:Open Source License
@Override public void visitJumpInsn(int opcode, Label label) { currentMethod.setEmpty(false);//from w w w. j ava 2s .co m currentMethod.setEmpty(false); switch (opcode) { case Opcodes.IFEQ: case Opcodes.IFNE: case Opcodes.IFLT: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: // case Opcodes.GOTO: // case Opcodes.JSR: case Opcodes.IFNULL: case Opcodes.IFNONNULL: // add all label reads/writes as condition reads/writes currentMethod.getConditionReads().addAll(labelReads); currentMethod.getConditionWrites().addAll(labelWrites); break; } }
From source file:gnu.classpath.tools.rmic.ClassRmicCompiler.java
License:Open Source License
private void generateSkel() throws IOException { skelname = fullclassname + "_Skel"; String skelclassname = classname + "_Skel"; File file = new File(destination == null ? "" : destination + File.separator + skelname.replace('.', File.separatorChar) + ".class"); if (verbose)/*from w ww . j a v a2s . c o m*/ System.out.println("[Generating class " + skelname + "]"); final ClassWriter skel = new ClassWriter(true); classInternalName = skelname.replace('.', '/'); skel.visit(Opcodes.V1_1, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, classInternalName, Type.getInternalName(Object.class), null, new String[] { Type.getType(Skeleton.class).getInternalName() }); skel.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL, "interfaceHash", Type.LONG_TYPE.getDescriptor(), null, new Long(RMIHashes.getInterfaceHash(clazz))); skel.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL, "operations", Type.getDescriptor(Operation[].class), null, null); MethodVisitor clinit = skel.visitMethod(Opcodes.ACC_STATIC, "<clinit>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}), null, null); fillOperationArray(clinit); clinit.visitInsn(Opcodes.RETURN); clinit.visitMaxs(-1, -1); // no arg public constructor MethodVisitor init = skel.visitMethod(Opcodes.ACC_PUBLIC, "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}), null, null); init.visitVarInsn(Opcodes.ALOAD, 0); init.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {})); init.visitInsn(Opcodes.RETURN); init.visitMaxs(-1, -1); /* * public Operation[] getOperations() * returns a clone of the operations array */ MethodVisitor getOp = skel.visitMethod(Opcodes.ACC_PUBLIC, "getOperations", Type.getMethodDescriptor(Type.getType(Operation[].class), new Type[] {}), null, null); getOp.visitFieldInsn(Opcodes.GETSTATIC, classInternalName, "operations", Type.getDescriptor(Operation[].class)); getOp.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Object.class), "clone", Type.getMethodDescriptor(Type.getType(Object.class), new Type[] {})); getOp.visitTypeInsn(Opcodes.CHECKCAST, typeArg(Operation[].class)); getOp.visitInsn(Opcodes.ARETURN); getOp.visitMaxs(-1, -1); // public void dispatch(Remote, RemoteCall, int opnum, long hash) MethodVisitor dispatch = skel.visitMethod(Opcodes.ACC_PUBLIC, "dispatch", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(Remote.class), Type.getType(RemoteCall.class), Type.INT_TYPE, Type.LONG_TYPE }), null, new String[] { Type.getInternalName(Exception.class) }); Variables var = new Variables(); var.declare("this"); var.declare("remoteobj"); var.declare("remotecall"); var.declare("opnum"); var.declareWide("hash"); /* * if opnum >= 0 * XXX it is unclear why there is handling of negative opnums */ dispatch.visitVarInsn(Opcodes.ILOAD, var.get("opnum")); Label nonNegativeOpnum = new Label(); Label opnumSet = new Label(); dispatch.visitJumpInsn(Opcodes.IFGE, nonNegativeOpnum); for (int i = 0; i < remotemethods.length; i++) { // assign opnum if hash matches supplied hash dispatch.visitVarInsn(Opcodes.LLOAD, var.get("hash")); dispatch.visitLdcInsn(new Long(remotemethods[i].hash)); Label notIt = new Label(); dispatch.visitInsn(Opcodes.LCMP); dispatch.visitJumpInsn(Opcodes.IFNE, notIt); // opnum = <opnum> dispatch.visitLdcInsn(new Integer(i)); dispatch.visitVarInsn(Opcodes.ISTORE, var.get("opnum")); dispatch.visitJumpInsn(Opcodes.GOTO, opnumSet); dispatch.visitLabel(notIt); } // throw new SkeletonMismatchException Label mismatch = new Label(); dispatch.visitJumpInsn(Opcodes.GOTO, mismatch); dispatch.visitLabel(nonNegativeOpnum); // if opnum is already set, check that the hash matches the interface dispatch.visitVarInsn(Opcodes.LLOAD, var.get("hash")); dispatch.visitFieldInsn(Opcodes.GETSTATIC, classInternalName, "interfaceHash", Type.LONG_TYPE.getDescriptor()); dispatch.visitInsn(Opcodes.LCMP); dispatch.visitJumpInsn(Opcodes.IFEQ, opnumSet); dispatch.visitLabel(mismatch); dispatch.visitTypeInsn(Opcodes.NEW, typeArg(SkeletonMismatchException.class)); dispatch.visitInsn(Opcodes.DUP); dispatch.visitLdcInsn("interface hash mismatch"); dispatch.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(SkeletonMismatchException.class), "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(String.class) })); dispatch.visitInsn(Opcodes.ATHROW); // opnum has been set dispatch.visitLabel(opnumSet); dispatch.visitVarInsn(Opcodes.ALOAD, var.get("remoteobj")); dispatch.visitTypeInsn(Opcodes.CHECKCAST, typeArg(clazz)); dispatch.visitVarInsn(Opcodes.ASTORE, var.get("remoteobj")); Label deflt = new Label(); Label[] methLabels = new Label[remotemethods.length]; for (int i = 0; i < methLabels.length; i++) methLabels[i] = new Label(); // switch on opnum dispatch.visitVarInsn(Opcodes.ILOAD, var.get("opnum")); dispatch.visitTableSwitchInsn(0, remotemethods.length - 1, deflt, methLabels); // Method dispatch for (int i = 0; i < remotemethods.length; i++) { dispatch.visitLabel(methLabels[i]); Method m = remotemethods[i].meth; generateMethodSkel(dispatch, m, var); } dispatch.visitLabel(deflt); dispatch.visitTypeInsn(Opcodes.NEW, typeArg(UnmarshalException.class)); dispatch.visitInsn(Opcodes.DUP); dispatch.visitLdcInsn("invalid method number"); dispatch.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(UnmarshalException.class), "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(String.class) })); dispatch.visitInsn(Opcodes.ATHROW); dispatch.visitMaxs(-1, -1); skel.visitEnd(); byte[] classData = skel.toByteArray(); if (!noWrite) { if (file.exists()) file.delete(); if (file.getParentFile() != null) file.getParentFile().mkdirs(); FileOutputStream fos = new FileOutputStream(file); fos.write(classData); fos.flush(); fos.close(); } }
From source file:jpcsp.Allegrex.compiler.CodeInstruction.java
License:Open Source License
private int getBranchingOpcode(CompilerContext context, MethodVisitor mv) { int branchingOpcode = Opcodes.NOP; if (insn == Instructions.BEQ) { branchingOpcode = getBranchingOpcodeBranch2(context, mv, Opcodes.IF_ICMPEQ, Opcodes.IF_ICMPNE); } else if (insn == Instructions.BEQL) { branchingOpcode = getBranchingOpcodeBranch2L(context, mv, Opcodes.IF_ICMPEQ, Opcodes.IF_ICMPNE); } else if (insn == Instructions.BNE) { branchingOpcode = getBranchingOpcodeBranch2(context, mv, Opcodes.IF_ICMPNE, Opcodes.IF_ICMPEQ); } else if (insn == Instructions.BNEL) { branchingOpcode = getBranchingOpcodeBranch2L(context, mv, Opcodes.IF_ICMPNE, Opcodes.IF_ICMPEQ); } else if (insn == Instructions.BGEZ) { branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFGE, Opcodes.IFLT); } else if (insn == Instructions.BGEZL) { branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFGE, Opcodes.IFLT); } else if (insn == Instructions.BGTZ) { branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFGT, Opcodes.IFLE); } else if (insn == Instructions.BGTZL) { branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFGT, Opcodes.IFLE); } else if (insn == Instructions.BLEZ) { branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFLE, Opcodes.IFGT); } else if (insn == Instructions.BLEZL) { branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFLE, Opcodes.IFGT); } else if (insn == Instructions.BLTZ) { branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFLT, Opcodes.IFGE); } else if (insn == Instructions.BLTZL) { branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFLT, Opcodes.IFGE); } else if (insn == Instructions.J) { branchingOpcode = getBranchingOpcodeBranch0(context, mv); } else if (insn == Instructions.JAL) { branchingOpcode = getBranchingOpcodeCall0(context, mv); } else if (insn == Instructions.BLTZAL) { branchingOpcode = getBranchingOpcodeCall1(context, mv, Opcodes.IFLT, Opcodes.IFGE); } else if (insn == Instructions.BLTZALL) { branchingOpcode = getBranchingOpcodeCall1L(context, mv, Opcodes.IFLT, Opcodes.IFGE); } else if (insn == Instructions.BGEZAL) { branchingOpcode = getBranchingOpcodeCall1(context, mv, Opcodes.IFGE, Opcodes.IFLT); } else if (insn == Instructions.BGEZALL) { branchingOpcode = getBranchingOpcodeCall1L(context, mv, Opcodes.IFGE, Opcodes.IFLT); } else if (insn == Instructions.BC1F) { branchingOpcode = getBranchingOpcodeBC1(context, mv, Opcodes.IFEQ, Opcodes.IFNE); } else if (insn == Instructions.BC1FL) { branchingOpcode = getBranchingOpcodeBC1L(context, mv, Opcodes.IFEQ, Opcodes.IFNE); } else if (insn == Instructions.BC1T) { branchingOpcode = getBranchingOpcodeBC1(context, mv, Opcodes.IFNE, Opcodes.IFEQ); } else if (insn == Instructions.BC1TL) { branchingOpcode = getBranchingOpcodeBC1L(context, mv, Opcodes.IFNE, Opcodes.IFEQ); } else if (insn == Instructions.BVF) { branchingOpcode = getBranchingOpcodeBV(context, mv, Opcodes.IFEQ, Opcodes.IFNE); } else if (insn == Instructions.BVT) { branchingOpcode = getBranchingOpcodeBV(context, mv, Opcodes.IFNE, Opcodes.IFEQ); } else if (insn == Instructions.BVFL) { branchingOpcode = getBranchingOpcodeBVL(context, mv, Opcodes.IFEQ, Opcodes.IFNE); } else if (insn == Instructions.BVTL) { branchingOpcode = getBranchingOpcodeBVL(context, mv, Opcodes.IFNE, Opcodes.IFEQ); } else {// w w w . j av a 2 s .c o m log.error("CodeInstruction.getBranchingOpcode: unknown instruction " + insn.disasm(getAddress(), getOpcode())); } return branchingOpcode; }