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author | Muhammad Haseeb Ahmad <mhahmad@google.com> | 2021-12-30 18:15:58 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2021-12-30 18:15:58 +0000 |
commit | 0f73d9c5add52fa24500a9ddb691528db216e096 (patch) | |
tree | c5880647e8b29782d15be0c99a60e56fed6f8a02 /agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt | |
parent | b997679abe998d84ad4b9c3e6589342794d3bfcb (diff) | |
parent | 844d7aba71788e3f59411187316eed26ba25c7bd (diff) | |
download | jazzer-api-0f73d9c5add52fa24500a9ddb691528db216e096.tar.gz |
Merge remote-tracking branch 'aosp/upstream-main' into master am: 5c6f411699 am: 844d7aba71
Original change: https://android-review.googlesource.com/c/platform/external/jazzer-api/+/1935188
Change-Id: I7eec862181be56696b4cb92bb1225a6948accaf9
Diffstat (limited to 'agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt')
-rw-r--r-- | agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt b/agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt new file mode 100644 index 00000000..86ad45a3 --- /dev/null +++ b/agent/src/main/java/com/code_intelligence/jazzer/instrumentor/Instrumentor.kt @@ -0,0 +1,45 @@ +// 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 com.code_intelligence.jazzer.third_party.objectweb.asm.Opcodes +import com.code_intelligence.jazzer.third_party.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 + } +} |