List of usage examples for org.objectweb.asm Opcodes ISTORE
int ISTORE
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From source file:asmlib.Type.java
License:Open Source License
/** Mtodo que retorna o opcode certo para o tipo de varivel que se quer fazer store. * Opcodes disponveis:/*w w w. ja v a 2s.c o m*/ * - ISTORE para boolean, byte, char, short, int * - LSTORE para long * - FSTORE para float * - DSTORE para double * - ASTORE para referncia (objecto ou array) **/ public int getStoreInsn() { char c = bytecodeName().charAt(0); switch (c) { case 'Z': // boolean case 'B': // byte case 'C': // char case 'S': // short case 'I': // int return Opcodes.ISTORE; case 'J': // long return Opcodes.LSTORE; case 'F': // float return Opcodes.FSTORE; case 'D': // double return Opcodes.DSTORE; case '[': // Algum tipo de array case 'L': // objecto case 'T': // objecto (generics) return Opcodes.ASTORE; } throw new InstrumentationException("Unknown fieldType in getStoreInsn"); }
From source file:blue.origami.asm.OGeneratorAdapter.java
License:Apache License
/** * create new local variable entry and store stack top value to created * entry/*from w ww . ja va2s .c o m*/ * * @param varName * @param t * @return */ public VarEntry createNewVarAndStore(String varName, OType t) { VarEntry entry = this.varScopes.peek().newVarEntry(varName, t); this.countLocalSlots(t); Type typeDesc = Type.getType(t.typeDesc(0)); this.visitVarInsn(typeDesc.getOpcode(Opcodes.ISTORE), entry.getVarIndex()); return entry; }
From source file:blue.origami.asm.OGeneratorAdapter.java
License:Apache License
/** * store stack top value to local variable. * * @param entry/* w w w .jav a 2 s. c o m*/ */ public void storeToVar(VarEntry entry) { Type typeDesc = Type.getType(entry.getVarClass().typeDesc(0)); this.visitVarInsn(typeDesc.getOpcode(Opcodes.ISTORE), entry.getVarIndex()); }
From source file:br.usp.each.saeg.badua.core.internal.instr.IntegerInitProbe.java
License:Open Source License
@Override public void accept(final MethodVisitor mv) { mv.visitInsn(Opcodes.ICONST_0);//from w w w.j a v a2 s .co m mv.visitVarInsn(Opcodes.ISTORE, vCovered); mv.visitInsn(Opcodes.ICONST_0); mv.visitVarInsn(Opcodes.ISTORE, vAlive); mv.visitInsn(Opcodes.ICONST_M1); mv.visitVarInsn(Opcodes.ISTORE, vSleepy); }
From source file:br.usp.each.saeg.badua.core.internal.instr.IntegerProbe.java
License:Open Source License
@Override public void accept(final MethodVisitor mv) { // update covered if (potcov != 0) { mv.visitVarInsn(Opcodes.ILOAD, vAlive); if (!singlePredecessor && potcovpuse != 0) { mv.visitVarInsn(Opcodes.ILOAD, vSleepy); mv.visitInsn(Opcodes.IAND);/*from w ww .j a va 2 s .c o m*/ } InstrSupport.push(mv, (int) potcov); mv.visitInsn(Opcodes.IAND); mv.visitVarInsn(Opcodes.ILOAD, vCovered); mv.visitInsn(Opcodes.IOR); mv.visitVarInsn(Opcodes.ISTORE, vCovered); } // update alive if (disabled != 0) { InstrSupport.push(mv, ~(int) disabled); mv.visitVarInsn(Opcodes.ILOAD, vAlive); mv.visitInsn(Opcodes.IAND); } if (born != 0) { if (disabled == 0) { mv.visitVarInsn(Opcodes.ILOAD, vAlive); } InstrSupport.push(mv, (int) born); mv.visitInsn(Opcodes.IOR); } if (disabled != 0 || born != 0) { mv.visitVarInsn(Opcodes.ISTORE, vAlive); } // update sleepy InstrSupport.push(mv, ~(int) sleepy); mv.visitVarInsn(Opcodes.ISTORE, vSleepy); }
From source file:br.usp.each.saeg.badua.core.internal.instr.IntegerRootProbe.java
License:Open Source License
@Override public void accept(final MethodVisitor mv) { if (born != 0) { InstrSupport.push(mv, (int) born); mv.visitVarInsn(Opcodes.ISTORE, vAlive); }// www . j a va 2 s. co m if (sleepy != 0) { InstrSupport.push(mv, ~(int) sleepy); mv.visitVarInsn(Opcodes.ISTORE, vSleepy); } }
From source file:br.usp.each.saeg.badua.test.validation.MaxTest.java
License:Open Source License
@Override @Before//from w w w. j a v a 2 s . co m public void setUp() throws Exception { super.setUp(); final int classVersion = Opcodes.V1_6; final int classAccessor = Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER; final String className = "Max"; final String superName = "java/lang/Object"; final int methodAccessor = Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC; final String methodName = "max"; final String methodDesc = "([II)I"; final ClassWriter cw = new ClassWriter(0); final MethodVisitor mw; cw.visit(classVersion, classAccessor, className, null, superName, null); mw = cw.visitMethod(methodAccessor, methodName, methodDesc, null, null); mw.visitCode(); // block 0 (definitions {0, 1, 2, 3}) mw.visitInsn(Opcodes.ICONST_0); mw.visitVarInsn(Opcodes.ISTORE, 2); mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitIincInsn(2, 1); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ISTORE, 3); // block 1 (p-uses {1, 2}) final Label backLoop = new Label(); mw.visitLabel(backLoop); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitVarInsn(Opcodes.ILOAD, 1); final Label breakLoop = new Label(); mw.visitJumpInsn(Opcodes.IF_ICMPGE, breakLoop); // block 3 (p-uses {0, 2, 3}) mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ILOAD, 3); final Label jump = new Label(); mw.visitJumpInsn(Opcodes.IF_ICMPLE, jump); // block 5 (definitions {3}, uses {0, 2}) mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ISTORE, 3); // block 4 (definitions {2}, uses {2}) mw.visitLabel(jump); mw.visitIincInsn(2, 1); mw.visitJumpInsn(Opcodes.GOTO, backLoop); // block 2 ( uses {3}) mw.visitLabel(breakLoop); mw.visitVarInsn(Opcodes.ILOAD, 3); mw.visitInsn(Opcodes.IRETURN); mw.visitMaxs(2, 4); mw.visitEnd(); cw.visitEnd(); final byte[] bytes = cw.toByteArray(); klass = addClass(className, bytes); method = klass.getMethod(methodName, int[].class, int.class); classId = CRC64.checksum(bytes); RT.init(new RuntimeData()); }
From source file:bytecode.InstructionExporter.java
License:Apache License
/** * Outputs a write operation, choosing both the correct opcode family * (variable write, array store, field put, etc.) and type. * * @param instruction Write instruction. * @return <code>null</code> *///from w ww .ja va 2 s . c om @Override public Void visit(Write instruction) { // Variable Stores if (instruction.getState() instanceof Variable) { Variable v = (Variable) instruction.getState(); switch (v.getType().getSort()) { case LONG: mv.visitVarInsn(Opcodes.LSTORE, v.getIndex()); break; case FLOAT: mv.visitVarInsn(Opcodes.FSTORE, v.getIndex()); break; case DOUBLE: mv.visitVarInsn(Opcodes.DSTORE, v.getIndex()); break; case REF: mv.visitVarInsn(Opcodes.ASTORE, v.getIndex()); break; default: mv.visitVarInsn(Opcodes.ISTORE, v.getIndex()); break; } // Array Stores } else if (instruction.getState() instanceof ArrayElement) { switch (instruction.getState().getType().getSort()) { case INT: mv.visitInsn(Opcodes.IASTORE); break; case LONG: mv.visitInsn(Opcodes.LASTORE); break; case FLOAT: mv.visitInsn(Opcodes.FASTORE); break; case DOUBLE: mv.visitInsn(Opcodes.DASTORE); break; case REF: mv.visitInsn(Opcodes.AASTORE); break; case BYTE: mv.visitInsn(Opcodes.BASTORE); break; case BOOL: mv.visitInsn(Opcodes.BASTORE); break; case CHAR: mv.visitInsn(Opcodes.CASTORE); break; case SHORT: mv.visitInsn(Opcodes.SASTORE); break; } // Static Writes } else if (instruction.getState() instanceof Field) { Field f = (Field) instruction.getState(); mv.visitFieldInsn(Opcodes.PUTSTATIC, f.getOwner().getName(), f.getName(), f.getType().getDescriptor()); // Field Writes } else if (instruction.getState() instanceof InstanceField) { Field f = (Field) ((InstanceField) instruction.getState()).getField(); mv.visitFieldInsn(Opcodes.PUTFIELD, f.getOwner().getName(), f.getName(), f.getType().getDescriptor()); } return null; }
From source file:bytecode.MethodImporter.java
License:Apache License
/** * Imports variable load and store operations, as well as RET?!? * * @param opcode Opcode.//from ww w . j a v a 2 s . c om * @param var Variable index. */ @Override public void visitVarInsn(final int opcode, final int var) { switch (opcode) { case Opcodes.ILOAD: createVarRead(var, Type.INT); break; case Opcodes.LLOAD: createVarRead(var, Type.LONG); break; case Opcodes.FLOAD: createVarRead(var, Type.FLOAT); break; case Opcodes.DLOAD: createVarRead(var, Type.DOUBLE); break; case Opcodes.ALOAD: createVarRead(var, Type.getFreshRef()); break; case Opcodes.ISTORE: createVarWrite(var, Type.INT); break; case Opcodes.LSTORE: createVarWrite(var, Type.LONG); break; case Opcodes.FSTORE: createVarWrite(var, Type.FLOAT); break; case Opcodes.DSTORE: createVarWrite(var, Type.DOUBLE); break; case Opcodes.ASTORE: createVarWrite(var, Type.getFreshRef()); break; // TODO: RET (paired with JSR) case Opcodes.RET: throw new RuntimeException("visitVarInsn: RET"); } }
From source file:Client.JClassPatcher.java
License:Open Source License
private void patchRenderer(ClassNode node) { Logger.Info("Patching renderer (" + node.name + ".class)"); Iterator<MethodNode> methodNodeList = node.methods.iterator(); while (methodNodeList.hasNext()) { MethodNode methodNode = methodNodeList.next(); // Renderer present hook if (methodNode.desc.equals("(Ljava/awt/Graphics;III)V")) { AbstractInsnNode findNode = methodNode.instructions.getFirst(); FieldInsnNode imageNode = null; while (findNode.getOpcode() != Opcodes.POP) { findNode = findNode.getNext(); if (findNode == null) { Logger.Error("Unable to find present hook"); break; }//w w w. j av a2 s.c o m } while (findNode.getOpcode() != Opcodes.INVOKESPECIAL) { if (findNode.getOpcode() == Opcodes.GETFIELD) imageNode = (FieldInsnNode) findNode; AbstractInsnNode prev = findNode.getPrevious(); methodNode.instructions.remove(findNode); findNode = prev; } methodNode.instructions.insert(findNode, new MethodInsnNode(Opcodes.INVOKESTATIC, "Game/Renderer", "present", "(Ljava/awt/Graphics;Ljava/awt/Image;)V", false)); methodNode.instructions.insert(findNode, new FieldInsnNode(Opcodes.GETFIELD, node.name, imageNode.name, imageNode.desc)); methodNode.instructions.insert(findNode, new VarInsnNode(Opcodes.ALOAD, 0)); methodNode.instructions.insert(findNode, new VarInsnNode(Opcodes.ALOAD, 1)); } else if (methodNode.name.equals("a") && methodNode.desc.equals("(IILjava/lang/String;IIBI)V")) { AbstractInsnNode start = methodNode.instructions.getFirst(); while (start != null) { if (start.getOpcode() == Opcodes.ALOAD && start.getNext().getOpcode() == Opcodes.ILOAD && start.getNext().getNext().getOpcode() == Opcodes.INVOKEVIRTUAL && start.getNext().getNext().getNext().getOpcode() == Opcodes.ISTORE) { break; } start = start.getNext(); } start = start.getPrevious(); LabelNode finishLabel = ((JumpInsnNode) start.getPrevious().getPrevious()).label; LabelNode failLabel = new LabelNode(); methodNode.instructions.insertBefore(start, new IntInsnNode(Opcodes.BIPUSH, 126)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPNE, failLabel)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "length", "()I")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPGE, failLabel)); methodNode.instructions.insertBefore(start, new IntInsnNode(Opcodes.BIPUSH, 126)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C")); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.IF_ICMPNE, failLabel)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ALOAD, 3)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_1)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ILOAD, 10)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.ICONST_5)); methodNode.instructions.insertBefore(start, new InsnNode(Opcodes.IADD)); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "java/lang/String", "substring", "(II)Ljava/lang/String;")); methodNode.instructions.insertBefore(start, new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Integer", "parseInt", "(Ljava/lang/String;)I")); methodNode.instructions.insertBefore(start, new VarInsnNode(Opcodes.ISTORE, 4)); methodNode.instructions.insertBefore(start, new IincInsnNode(10, 5)); methodNode.instructions.insertBefore(start, new JumpInsnNode(Opcodes.GOTO, finishLabel)); methodNode.instructions.insertBefore(start, failLabel); } } }