public static void processFiles() { final File libDir = new File(BaseDirectory.LIB.toString()); for (final File f : libDir.listFiles()) { if (f.getName().startsWith("eucalyptus") && f.getName().endsWith(".jar") && !f.getName().matches(".*-ext-.*")) { EventRecord.here( ServiceJarDiscovery.class, EventType.BOOTSTRAP_INIT_SERVICE_JAR, f.getName()) .info(); try { BindingFileSearch.INSTANCE.process(f); } catch (final Throwable e) { LOG.error(e.getMessage()); continue; } } } for (String pathName : ClassPath.SYSTEM_CLASS_PATH.getClassPath().split(File.pathSeparator)) { File pathFile = new File(pathName); if (pathFile.isDirectory()) { try { BindingFileSearch.INSTANCE.process(pathFile); } catch (final Throwable e) { LOG.error(e.getMessage()); continue; } ; } } }
/** * Adds all the constants found in the given class into the given ConstantSet, and returns it. * * @see #getConstants(String) */ public static ConstantSet getConstants(String classname, ConstantSet result) { ClassParser cp; JavaClass jc; try { String classfileBase = classname.replace('.', '/'); InputStream is = ClassPath.SYSTEM_CLASS_PATH.getInputStream(classfileBase, ".class"); cp = new ClassParser(is, classname); jc = cp.parse(); } catch (java.io.IOException e) { throw new Error("IOException while reading '" + classname + "': " + e.getMessage()); } result.classname = jc.getClassName(); // Get all of the constants from the pool ConstantPool constant_pool = jc.getConstantPool(); for (Constant c : constant_pool.getConstantPool()) { // System.out.printf ("*Constant = %s%n", c); if (c == null || c instanceof ConstantClass || c instanceof ConstantFieldref || c instanceof ConstantInterfaceMethodref || c instanceof ConstantMethodref || c instanceof ConstantNameAndType || c instanceof ConstantUtf8) { continue; } if (c instanceof ConstantString) { result.strings.add((String) ((ConstantString) c).getConstantValue(constant_pool)); } else if (c instanceof ConstantDouble) { result.doubles.add((Double) ((ConstantDouble) c).getConstantValue(constant_pool)); } else if (c instanceof ConstantFloat) { result.floats.add((Float) ((ConstantFloat) c).getConstantValue(constant_pool)); } else if (c instanceof ConstantInteger) { result.ints.add((Integer) ((ConstantInteger) c).getConstantValue(constant_pool)); } else if (c instanceof ConstantLong) { result.longs.add((Long) ((ConstantLong) c).getConstantValue(constant_pool)); } else { throw new RuntimeException("Unrecognized constant of type " + c.getClass() + ": " + c); } } ClassGen gen = new ClassGen(jc); ConstantPoolGen pool = gen.getConstantPool(); // Process the code in each method looking for literals for (Method m : jc.getMethods()) { MethodGen mg = new MethodGen(m, jc.getClassName(), pool); InstructionList il = mg.getInstructionList(); if (il == null) { // System.out.println("No instructions for " + mg); } else { for (Instruction inst : il.getInstructions()) { switch (inst.getOpcode()) { // Compare two objects, no literals case Constants.IF_ACMPEQ: case Constants.IF_ACMPNE: break; // These instructions compare the integer on the top of the stack // to zero. There are no literals here (except 0) case Constants.IFEQ: case Constants.IFNE: case Constants.IFLT: case Constants.IFGE: case Constants.IFGT: case Constants.IFLE: { break; } // Instanceof pushes either 0 or 1 on the stack depending on whether // the object on top of stack is of the specified type. // If were interested in class literals, this would be interesting case Constants.INSTANCEOF: break; // Duplicates the item on the top of stack. No literal. case Constants.DUP: { break; } // Duplicates the item on the top of the stack and inserts it 2 // values down in the stack. No literals case Constants.DUP_X1: { break; } // Duplicates either the top 2 category 1 values or a single // category 2 value and inserts it 2 or 3 values down on the // stack. case Constants.DUP2_X1: { break; } // Duplicate either one category 2 value or two category 1 values. case Constants.DUP2: { break; } // Dup the category 1 value on the top of the stack and insert it either // two or three values down on the stack. case Constants.DUP_X2: { break; } case Constants.DUP2_X2: { break; } // Pop instructions discard the top of the stack. case Constants.POP: { break; } // Pops either the top 2 category 1 values or a single category 2 value // from the top of the stack. case Constants.POP2: { break; } // Swaps the two category 1 types on the top of the stack. case Constants.SWAP: { break; } // Compares two integers on the stack case Constants.IF_ICMPEQ: case Constants.IF_ICMPGE: case Constants.IF_ICMPGT: case Constants.IF_ICMPLE: case Constants.IF_ICMPLT: case Constants.IF_ICMPNE: { break; } // Get the value of a field case Constants.GETFIELD: { break; } // stores the top of stack into a field case Constants.PUTFIELD: { break; } // Pushes the value of a static field on the stack case Constants.GETSTATIC: { break; } // Pops a value off of the stack into a static field case Constants.PUTSTATIC: { break; } // pushes a local onto the stack case Constants.DLOAD: case Constants.DLOAD_0: case Constants.DLOAD_1: case Constants.DLOAD_2: case Constants.DLOAD_3: case Constants.FLOAD: case Constants.FLOAD_0: case Constants.FLOAD_1: case Constants.FLOAD_2: case Constants.FLOAD_3: case Constants.ILOAD: case Constants.ILOAD_0: case Constants.ILOAD_1: case Constants.ILOAD_2: case Constants.ILOAD_3: case Constants.LLOAD: case Constants.LLOAD_0: case Constants.LLOAD_1: case Constants.LLOAD_2: case Constants.LLOAD_3: { break; } // Pops a value off of the stack into a local case Constants.DSTORE: case Constants.DSTORE_0: case Constants.DSTORE_1: case Constants.DSTORE_2: case Constants.DSTORE_3: case Constants.FSTORE: case Constants.FSTORE_0: case Constants.FSTORE_1: case Constants.FSTORE_2: case Constants.FSTORE_3: case Constants.ISTORE: case Constants.ISTORE_0: case Constants.ISTORE_1: case Constants.ISTORE_2: case Constants.ISTORE_3: case Constants.LSTORE: case Constants.LSTORE_0: case Constants.LSTORE_1: case Constants.LSTORE_2: case Constants.LSTORE_3: { break; } // Push a value from the runtime constant pool. We'll get these // values when processing the constant pool itself case Constants.LDC: case Constants.LDC_W: case Constants.LDC2_W: { break; } // Push the length of an array on the stack case Constants.ARRAYLENGTH: { break; } // Push small constants (-1..5) on the stack. These literals are // too common to bother mentioning case Constants.DCONST_0: case Constants.DCONST_1: case Constants.FCONST_0: case Constants.FCONST_1: case Constants.FCONST_2: case Constants.ICONST_0: case Constants.ICONST_1: case Constants.ICONST_2: case Constants.ICONST_3: case Constants.ICONST_4: case Constants.ICONST_5: case Constants.ICONST_M1: case Constants.LCONST_0: case Constants.LCONST_1: { break; } case Constants.BIPUSH: case Constants.SIPUSH: { ConstantPushInstruction cpi = (ConstantPushInstruction) inst; result.ints.add((Integer) cpi.getValue()); break; } // Primitive Binary operators. case Constants.DADD: case Constants.DCMPG: case Constants.DCMPL: case Constants.DDIV: case Constants.DMUL: case Constants.DREM: case Constants.DSUB: case Constants.FADD: case Constants.FCMPG: case Constants.FCMPL: case Constants.FDIV: case Constants.FMUL: case Constants.FREM: case Constants.FSUB: case Constants.IADD: case Constants.IAND: case Constants.IDIV: case Constants.IMUL: case Constants.IOR: case Constants.IREM: case Constants.ISHL: case Constants.ISHR: case Constants.ISUB: case Constants.IUSHR: case Constants.IXOR: case Constants.LADD: case Constants.LAND: case Constants.LCMP: case Constants.LDIV: case Constants.LMUL: case Constants.LOR: case Constants.LREM: case Constants.LSHL: case Constants.LSHR: case Constants.LSUB: case Constants.LUSHR: case Constants.LXOR: break; case Constants.LOOKUPSWITCH: case Constants.TABLESWITCH: break; case Constants.ANEWARRAY: case Constants.NEWARRAY: { break; } case Constants.MULTIANEWARRAY: { break; } // push the value at an index in an array case Constants.AALOAD: case Constants.BALOAD: case Constants.CALOAD: case Constants.DALOAD: case Constants.FALOAD: case Constants.IALOAD: case Constants.LALOAD: case Constants.SALOAD: { break; } // Pop the top of stack into an array location case Constants.AASTORE: case Constants.BASTORE: case Constants.CASTORE: case Constants.DASTORE: case Constants.FASTORE: case Constants.IASTORE: case Constants.LASTORE: case Constants.SASTORE: break; case Constants.ARETURN: case Constants.DRETURN: case Constants.FRETURN: case Constants.IRETURN: case Constants.LRETURN: case Constants.RETURN: { break; } // subroutine calls. case Constants.INVOKESTATIC: case Constants.INVOKEVIRTUAL: case Constants.INVOKESPECIAL: case Constants.INVOKEINTERFACE: break; // Throws an exception. case Constants.ATHROW: break; // Opcodes that don't need any modifications. Here for reference case Constants.ACONST_NULL: case Constants.ALOAD: case Constants.ALOAD_0: case Constants.ALOAD_1: case Constants.ALOAD_2: case Constants.ALOAD_3: case Constants.ASTORE: case Constants.ASTORE_0: case Constants.ASTORE_1: case Constants.ASTORE_2: case Constants.ASTORE_3: case Constants.CHECKCAST: case Constants.D2F: // double to float case Constants.D2I: // double to integer case Constants.D2L: // double to long case Constants.DNEG: // Negate double on top of stack case Constants.F2D: // float to double case Constants.F2I: // float to integer case Constants.F2L: // float to long case Constants.FNEG: // Negate float on top of stack case Constants.GOTO: case Constants.GOTO_W: case Constants.I2B: // integer to byte case Constants.I2C: // integer to char case Constants.I2D: // integer to double case Constants.I2F: // integer to float case Constants.I2L: // integer to long case Constants.I2S: // integer to short case Constants.IFNONNULL: case Constants.IFNULL: case Constants.IINC: // increment local variable by a constant case Constants.INEG: // negate integer on top of stack case Constants.JSR: // pushes return address on the stack, case Constants.JSR_W: case Constants.L2D: // long to double case Constants.L2F: // long to float case Constants.L2I: // long to int case Constants.LNEG: // negate long on top of stack case Constants.MONITORENTER: case Constants.MONITOREXIT: case Constants.NEW: case Constants.NOP: case Constants.RET: // this is the internal JSR return break; // Make sure we didn't miss anything default: throw new Error("instruction " + inst + " unsupported"); } } } } return result; }