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// 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
}
}