| // Copyright 2021 Code Intelligence GmbH |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.code_intelligence.jazzer.instrumentor |
| |
| import org.objectweb.asm.Opcodes |
| import org.objectweb.asm.tree.MethodNode |
| |
| enum class InstrumentationType { |
| CMP, |
| COV, |
| DIV, |
| GEP, |
| INDIR, |
| NATIVE, |
| } |
| |
| internal interface Instrumentor { |
| fun instrument(bytecode: ByteArray): ByteArray |
| |
| fun shouldInstrument(access: Int): Boolean { |
| return (access and Opcodes.ACC_ABSTRACT == 0) && |
| (access and Opcodes.ACC_NATIVE == 0) |
| } |
| |
| fun shouldInstrument(method: MethodNode): Boolean { |
| return shouldInstrument(method.access) && |
| method.instructions.size() > 0 |
| } |
| |
| companion object { |
| const val ASM_API_VERSION = Opcodes.ASM9 |
| } |
| } |