1 /* <lambda>null2 * Copyright 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package androidx.build 18 19 import org.gradle.api.DefaultTask 20 import org.gradle.api.file.ConfigurableFileCollection 21 import org.gradle.api.tasks.CacheableTask 22 import org.gradle.api.tasks.Classpath 23 import org.gradle.api.tasks.InputFiles 24 import org.gradle.api.tasks.TaskAction 25 26 /** 27 * Task for verifying the ELF regions in all shared libs in androidx are aligned to 16Kb boundary 28 */ 29 @CacheableTask 30 abstract class VerifyELFRegionAlignmentTask : DefaultTask() { 31 init { 32 group = "Verification" 33 description = "Task for verifying alignment in shared libs" 34 } 35 36 @get:[InputFiles Classpath] 37 abstract val files: ConfigurableFileCollection 38 39 @TaskAction 40 fun verifyELFRegionAlignment() { 41 files.forEach { 42 val alignment = getELFAlignment(it.path) 43 check(alignment == "2**14") { 44 "Expected ELF alignment of 2**14 for file ${it.name}, got $alignment" 45 } 46 } 47 } 48 } 49 getELFAlignmentnull50private fun getELFAlignment(filePath: String): String? { 51 val alignment = 52 ProcessBuilder("objdump", "-p", filePath).start().inputStream.bufferedReader().useLines { 53 lines -> 54 lines.filter { it.contains("LOAD") }.map { it.split(" ").last() }.firstOrNull() 55 } 56 return alignment 57 } 58