内核交叉编译配置定制和编译(2)_安卓8.1 交叉编译 配置

nexus5 Android7.1.2

查看cpu信息、内核版本

安装编译环境

sudo apt-get update
sudo apt-get install build-essential fakeroot dpkg-dev libcurl4-openssl-dev
sudo apt-get build-dep git
mkdir git-openssl && cd git-openssl
sudo apt-get source git

linageOs源码中的交叉编译链

配置linageOs源码中的交叉编译环境

sudo vim ~/.bashrc

export ARCH=arm &&
export PATH=/usr/local/Android7.1.2/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8/bin:$PATH &&
export CROSS_COMPILE=arm-eabi- &&
 
export ARCH=arm &&
export PATH=/usr/local/Android7.1.2/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin:$PATH &&
export CROSS_COMPILE=arm-linux-androideabi- &&
 
export ARCH=arm64 &&
export PATH=/usr/local/Android7.1.2/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin:$PATH &&
export CROSS_COMPILE=aarch64-linux-android- &&
 
export ARCH=x86 &&
export PATH=/usr/local/Android7.1.2/prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9/bin:$PATH &&
export CROSS_COMPILE=x86_64-linux-android- &&

source ~/.bashrc

nexus5(7.1.2) hammerhead内核源码下载

git clone https://github.com/LineageOS/android_kernel_lge_msm8974.git -b cm-14.1

定制内核

make menuconfig

内核配置项

CONFIG_MODULES=Y
CONFIG_STRICT_MEMORY_RWX=N / CONFIG_DEBUG_RODATA=N
CONFIG_DEVMEM=Y
CONFIG_DEVKMEM=Y
CONFIG_KALLSYMS=Y
CONFIG_KALLSYMS_ALL=Y
CONFIG_HAVE_KPROBES=Y
CONFIG_HAVE_KRETPROBES=Y
CONFIG_HAVE_FUNCTION_TRACER=Y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=Y
CONFIG_TRACING=Y
CONFIG_FTRACE=Y

内核编译

make -j4

Android8.1内核交叉编译环境配置

sudo vim ~/.bashrc

export ARCH=arm &&
export PATH=/usr/local/Android/LineageOS/Android8.1.0/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin:$PATH &&
export CROSS_COMPILE=arm-linux-androideabi- &&
 
export ARCH=arm64 &&
export PATH=/usr/local/Android/LineageOS/Android8.1.0/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin:$PATH &&
export CROSS_COMPILE=aarch64-linux-android- &&
 
export ARCH=x86 &&
export PATH=/usr/local/Android/LineageOS/Android8.1.0/prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9/bin:$PATH &&
export CROSS_COMPILE=x86_64-linux-android- &&

source ~/.bashrc

make menuconfig

make -j4

重写系统调用表拦截内核调用

https://bbs.pediy.com/thread-267004.htm

https://github.com/zq9120/android_syscall_logger
https://github.com/FairEye/android-syscall-monitor-kmsg
https://github.com/invictus1306/Android-syscall-monitor
https://github.com/Katana-O/Android-Syscall-Logger

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