Package org.fakereplace.util

Examples of org.fakereplace.util.JumpMarker

121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
                                b.add(Opcode.DUP_X2);
                                b.add(Opcode.POP);
                                b.add(Opcode.DUP_X2);
                                b.addInvokestatic(methodReflectionLocation, "fakeCallRequired", "(Ljava/lang/reflect/Method;)Z");
                                b.add(Opcode.IFEQ);
                                JumpMarker performRealCall = JumpUtils.addJumpInstruction(b);
                                // now perform the fake call
                                b.addInvokestatic(methodReflectionLocation, "invoke", REPLACED_METHOD_DESCRIPTOR);
                                b.add(Opcode.GOTO);
                                JumpMarker finish = JumpUtils.addJumpInstruction(b);
                                performRealCall.mark();
                                b.addInvokevirtual(Method.class.getName(), METHOD_NAME, METHOD_DESCRIPTOR);
                                finish.mark();
                                it.writeByte(CodeIterator.NOP, index);
                                it.writeByte(CodeIterator.NOP, index + 1);
                                it.writeByte(CodeIterator.NOP, index + 2);
                                it.insert(b.get());
                            }
View Full Code Here
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
                                RewriteData data = methodCallLocations.get(val);
                                Bytecode b = new Bytecode(file.getConstPool());
                                prepareForIsFakeFieldCall(b, data);
                                b.addInvokestatic(fieldAccessLocation, "isFakeField", "(Ljava/lang/reflect/Field;)Z");
                                b.add(Opcode.IFEQ);
                                JumpMarker performRealCall = JumpUtils.addJumpInstruction(b);
                                // now perform the fake call
                                b.addInvokestatic(fieldAccessLocation, data.getMethodName(), data.getNewMethodDescriptor());
                                b.add(Opcode.GOTO);
                                JumpMarker finish = JumpUtils.addJumpInstruction(b);
                                performRealCall.mark();
                                b.addInvokevirtual(Field.class.getName(), data.getMethodName(), data.getMethodDescriptor());
                                finish.mark();
                                it.writeByte(CodeIterator.NOP, index);
                                it.writeByte(CodeIterator.NOP, index + 1);
                                it.writeByte(CodeIterator.NOP, index + 2);
                                if (op == CodeIterator.INVOKEINTERFACE) {
                                    // INVOKEINTERFACE has some extra parameters
View Full Code Here
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
                b.addAload(1);
                b.addAload(0);
                b.addInvokestatic(ClassLookupManager.class.getName(), "getClassData", "(Ljava/lang/String;Ljava/lang/Object;)[B");
                b.add(Opcode.DUP);
                b.add(Opcode.IFNULL);
                JumpMarker jumpEnd = JumpUtils.addJumpInstruction(b);

                //now we need to do the findLoadedClasses thing
                b.addAload(0);
                b.addAload(1);
                b.addInvokevirtual("java.lang.ClassLoader", "findLoadedClass", "(Ljava/lang/String;)Ljava/lang/Class;");
                b.add(Opcode.DUP);
                b.add(Opcode.IFNULL);
                JumpMarker notFound = JumpUtils.addJumpInstruction(b);
                b.add(Opcode.ARETURN);
                notFound.mark();
                b.add(Opcode.POP);
                b.addAstore(3);
                b.addAload(0);
                b.addAload(1);
                b.addAload(3);
                b.addIconst(0);
                b.addAload(3);
                b.add(Opcode.ARRAYLENGTH);
                b.addInvokevirtual("java.lang.ClassLoader", "defineClass", "(Ljava/lang/String;[BII)Ljava/lang/Class;");
                if (method.getDescriptor().equals("Ljava/lang/String;Z)Ljava/lang/Class;")) {
                    b.addIload(2);
                } else {
                    b.addIconst(0);
                }
                b.add(Opcode.IFEQ);
                final JumpMarker linkJumpEnd = JumpUtils.addJumpInstruction(b);
                b.add(Opcode.DUP);
                b.addAload(0);
                b.add(Opcode.SWAP);
                b.addInvokevirtual("java.lang.ClassLoader", "resolveClass", "(Ljava/lang/Class;)V");
                linkJumpEnd.mark();
                b.add(Opcode.ARETURN);
                jumpEnd.mark();
                b.add(Opcode.POP);

                if (!classFile.getName().startsWith("java.") && !classFile.getName().startsWith("com.sun") && !classFile.getName().startsWith("sun")) {
                    //now we need to check if this is a fakereplace class
                    //and if so always delegate to the appropriate loader
                    b.addAload(1);
                    b.addLdc("org.fakereplace");
                    b.addInvokevirtual(String.class.getName(), "startsWith", "(Ljava/lang/String;)Z");
                    b.add(Opcode.IFEQ);
                    JumpMarker notFakereplace = JumpUtils.addJumpInstruction(b);
                    //so this is a fakereplace class, delegate to the system loader
                    b.addInvokestatic(ClassLoader.class.getName(), "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
                    b.addAload(1);
                    b.addInvokevirtual(ClassLoader.class.getName(), "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
                    b.add(Opcode.ARETURN);
                    notFakereplace.mark();
                }

                iterator.insert(b.get());
                method.getCodeAttribute().computeMaxStack();
            }
View Full Code Here
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
                                // we need Constructor, params, Constructor
                                b.add(Opcode.SWAP);
                                b.add(Opcode.DUP_X1);
                                b.addInvokestatic(constructorReflectionLocation, "fakeCallRequired", "(Ljava/lang/reflect/Constructor;)Z");
                                b.add(Opcode.IFEQ);
                                JumpMarker performRealCall = JumpUtils.addJumpInstruction(b);
                                // now perform the fake call
                                b.addInvokestatic(constructorReflectionLocation, METHOD_NAME, REPLACED_METHOD_DESCRIPTOR);
                                b.add(Opcode.GOTO);
                                JumpMarker finish = JumpUtils.addJumpInstruction(b);
                                performRealCall.mark();
                                b.addInvokevirtual(Constructor.class.getName(), METHOD_NAME, METHOD_DESCRIPTOR);
                                finish.mark();
                                it.writeByte(CodeIterator.NOP, index);
                                it.writeByte(CodeIterator.NOP, index + 1);
                                it.writeByte(CodeIterator.NOP, index + 2);
                                it.insertEx(b.get());
                            }
View Full Code Here
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
                                b.add(Opcode.DUP_X2);
                                b.add(Opcode.POP);
                                b.add(Opcode.DUP_X2);
                                b.addInvokestatic(methodReflectionLocation, "fakeCallRequired", "(Ljava/lang/reflect/Method;)Z");
                                b.add(Opcode.IFEQ);
                                JumpMarker performRealCall = JumpUtils.addJumpInstruction(b);
                                // now perform the fake call
                                b.addInvokestatic(methodReflectionLocation, "invoke", REPLACED_METHOD_DESCRIPTOR);
                                b.add(Opcode.GOTO);
                                JumpMarker finish = JumpUtils.addJumpInstruction(b);
                                performRealCall.mark();
                                b.addInvokevirtual(Method.class.getName(), METHOD_NAME, METHOD_DESCRIPTOR);
                                finish.mark();
                                it.writeByte(CodeIterator.NOP, index);
                                it.writeByte(CodeIterator.NOP, index + 1);
                                it.writeByte(CodeIterator.NOP, index + 2);
                                it.insertEx(b.get());
                            }
View Full Code Here
TOP

Related Classes of org.fakereplace.util.JumpMarker

  • org.fakereplace.core.ClassLoaderInstrumentation
  • org.fakereplace.manip.ConstructorAccessManipulator
  • org.fakereplace.manip.FieldAccessManipulator
  • org.fakereplace.manip.MethodAccessManipulator
  • org.fakereplace.manip.MethodReflectionManipulator
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.