.so has text relocations. This is wasting memory and prevents security hardening. Please fix.

来源:互联网 发布:hishop云商城源码 编辑:程序博客网 时间:2024/06/12 22:03

转载请标明出处:http://blog.csdn.net/xx326664162/article/details/52926274 文章出自:薛瑄的博客

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首先说明出现下面这个错误的原因可能有很多,你也可以直接看下面的分析,来判断是不是和我一样的问题

介绍一下,在下面的环境中,解决这个问题使用的解决方法。

测试环境:

Galaxy Note3 Android 5.0
Android studio 2.2.2
gradle-2.14.1-all
NDK版本如下图:
这里写图片描述

项目的build.gradle如下:

android {    compileSdkVersion 24    buildToolsVersion "24.0.3"    defaultConfig {        applicationId "com.firs.facedetecttosvr"        minSdkVersion 19        targetSdkVersion 21        ndk {            moduleName "libface_identify"            abiFilters 'armeabi', 'armeabi-v7a'        }    }   ...(部分省略)    externalNativeBuild {        ndkBuild {            path 'src/main/jni/Android.mk'        }    }}

Android.mk配置如下

LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)LOCAL_MODULE := facetempLOCAL_SRC_FILES := libFiFacial.ainclude $(PREBUILT_STATIC_LIBRARY)include $(CLEAR_VARS)LOCAL_MODULE := jpegtempLOCAL_SRC_FILES := libjpeg.soinclude $(PREBUILT_SHARED_LIBRARY)include $(CLEAR_VARS)#LOCAL_SRC_TCP  := ./tcpSock/maintcp.cpp ./tcpSock/CommLayerTcp.cpp ./tcpSock/NetAuth.cpp ./tcpSock/NetDeal.cpp ./tcpSock/NetPublic.cpp#LOCAL_SRC_TCP  := maintcp.cpp CommLayerTcp.cpp NetAuth.cpp NetDeal.cpp NetPublic.cppLOCAL_MODULE    := libface_identifyLOCAL_SRC_FILES := facelib.cpp public.cpp  maintcp.cpp CommLayerTcp.cpp NetAuth.cpp NetDeal.cpp NetPublic.cpp gb2312.cpp#LOCAL_MODULE_FILENAME = libface_identifyLOCAL_SHARED_LIBRARIES := jpegtempLOCAL_STATIC_LIBRARIES := facetempLOCAL_LDLIBS := -llog -lstdc++include $(BUILD_SHARED_LIBRARY)

java代码调用so库的代码

 static {        // System.loadLibrary("stlport_shared");        // System.loadLibrary("jpeg");        System.loadLibrary("face_identify");    }

出现下面这个错误的原因可能有很多,接下来介绍一下,在上面的环境下,解决这个问题使用的解决方法。

崩溃时的logcat

10-25 19:12:49.217 23377-23377/? I/art: Late-enabling -Xcheck:jni10-25 19:12:49.587 23377-23377/com.firs.facedetecttosvr W/linker: /data/app/com.firs.facedetecttosvr-2/lib/arm/libjpeg.so has text relocations. This is wasting memory and prevents security hardening. Please fix.10-25 19:12:49.593 23377-23377/com.firs.facedetecttosvr D/Face_Identify: login in username[test] pwd[123456] nLen[68]10-25 19:12:49.593 23377-23377/com.firs.facedetecttosvr D/Face_Identify: send packType[1] msgtype[256] subTyep[1]10-25 19:12:49.601 23377-23377/com.firs.facedetecttosvr D/Face_Identify:  xxxxxxxxxxxxx(10); Client moudle quit StartNetModule 6410-25 19:12:49.602 23377-23377/com.firs.facedetecttosvr D/Face_Identify:  3333333333(10); Client moudle quit StartNetModule 7010-25 19:12:49.602 23377-23377/com.firs.facedetecttosvr D/Face_Identify:  88888888888sleep(10); Client moudle quit StartNetModule 7210-25 19:12:49.608 23377-23413/com.firs.facedetecttosvr D/Face_Identify: iCliePort[32108]  acClieIp[116.205.1.86]CreateTcpClient 47810-25 19:12:49.620 23377-23416/com.firs.facedetecttosvr D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true10-25 19:12:49.628 23377-23377/com.firs.facedetecttosvr D/ActivityThreadInjector: clearCachedDrawables.10-25 19:12:49.634 23377-23416/com.firs.facedetecttosvr I/Adreno-EGL: <qeglDrvAPI_eglInitialize:379>: EGL 1.4 QUALCOMM build: Nondeterministic_AU_msm8974_LA.BF.1.1.3_RB1__release_AU (I741a3d36ca)                                                                      OpenGL ES Shader Compiler Version: E031.29.00.00                                                                      Build Date: 04/04/16 Mon                                                                      Local Branch: mybranch19053788                                                                      Remote Branch: quic/LA.BF.1.1.3_rb1.12                                                                      Local Patches: NONE                                                                      Reconstruct Branch: NOTHING10-25 19:12:49.645 23377-23416/com.firs.facedetecttosvr I/OpenGLRenderer: Initialized EGL, version 1.410-25 19:12:49.700 23377-23413/com.firs.facedetecttosvr D/Face_Identify: login in username[test] pwd[123456] nLen[68]10-25 19:12:49.700 23377-23413/com.firs.facedetecttosvr D/Face_Identify: send packType[1] msgtype[256] subTyep[1]10-25 19:12:49.700 23377-23414/com.firs.facedetecttosvr D/Face_Identify: TmpStrData.iFd[23] SNEDLEN[90] DoTcpSendThreadPool 73610-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: 00010010-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: packType 1 msgtype 256 subType 2 DoTcpClient 407 10-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: InStrProPack.head.index 65000 InStrProPack.head.dataLen 584 DoTcpClient 412 10-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: sizeof(InStrProPack.head)[19]10-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify:  DoTcpClient 45910-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: chksum[1439] recvSum[1439] DoTcpClient 46710-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: InStrProPack.csuffix[7f]10-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: recv InStrProPack->head.msgtype 256 InStrProPack->head.subType 2 AllDealTcp 68210-25 19:12:49.803 23377-23413/com.firs.facedetecttosvr D/Face_Identify: DealMsgAuth 14510-25 19:12:50.599 23377-23377/com.firs.facedetecttosvr I/Timeline: Timeline: Activity_launch_request time:2723482310-25 19:12:50.985 23377-23377/com.firs.facedetecttosvr D/Face_Identify: InitFaceLib()ghCe: 0xa9f539f0 fun:InitFacial line: 29210-25 19:12:51.029 23377-23377/com.firs.facedetecttosvr D/Face_Identify: fun:InitFacial line: 299 ghFacialCodec: 0xa9fba18010-25 19:12:51.029 23377-23377/com.firs.facedetecttosvr D/Face_Identify: DoTcpSendThreadPool Java_com_firs_cn_FaceNative_initFaceLib 35710-25 19:12:51.043 23377-23377/com.firs.facedetecttosvr D/ActivityThreadInjector: clearCachedDrawables.10-25 19:12:51.377 23377-23416/com.firs.facedetecttosvr V/RenderScript: 0xaeac8000 Launching thread(s), CPUs 410-25 19:12:51.613 23377-23450/com.firs.facedetecttosvr A/libc: Fatal signal 11 (SIGSEGV), code 2, fault addr 0xaebc4000 in tid 23450 (AsyncTask #1)

分析

关键代码:

@Override    protected void onResume() {        super.onResume();        //initCamera(); // 初始化摄像头得到width和height的值        surfaceCreated(surfaceHolder);//设置目标界面        //创建异步任务,必须传送非零的width和height        mTask = new RecognizeTask(width, height, isFront);//异步操作   摄像头可用240  320  true        mTask.setRecognizeListener(this);//重写接口方法        mTask.execute(0);    }

我改动了一些java代码,导致出现了这个错误,我还原到改动之前的代码,一点一点去替换,发现是调用ndk时,传入的参数问题导致的,(上面代码的第4行,不应该注释掉,初始化摄像头得到width和height的值,在异步任务中调用jni方法会用到这两个值),但是不知道为什么会报出这个错误,想不出原因。感觉有点误导方向

解决方法:

@Override    protected void onResume() {        super.onResume();        initCamera(); // 初始化摄像头得到width和height的值        surfaceCreated(surfaceHolder);//设置目标界面        //创建异步任务,必须传送非零的width和height        mTask = new RecognizeTask(width, height, isFront);//异步操作   摄像头可用240  320  true        mTask.setRecognizeListener(this);//重写接口方法        mTask.execute(0);    }

虽然示例很有针对性,但是不影响这种解决方法的普遍性,可以当做一种排查方案

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