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android_kprobe_hook_architecture

1. Preparation Phase

  • a phone like redmi note 11
  • kernel source code from Xiaomi_Kernel_OpenSource
  • a kernel product of compiled success（don't forget open support of kprobe at arch/arm64/configs/xxxx_defconfig） 
    CONFIG_KPROBES=y
CONFIG_HAVE_KPROBES=y
CONFIG_KPROBE_EVENTS=y

2. LKM Compile Phase

  1. git clone https://github.com/tcc0lin/android_kprobe_hook_architecture
  2. cd android_kprobe_hook_architecture
  3. modify path on Makefile 
    KERNEL_OUT=/xxxxx/xiaomi_kernel_opensource-selene-r-oss/out
TOOLCHAIN=/xxxxx/android_prebuilts_gcc_linux-x86_aarch64_aarch64-linux-android-4.9-lineage-19.1/bin/aarch64-linux-android-
  4. build 
    make
    then you can get the following file 
    Sample.ko Sample.mod.c Sample.mod.o Sample.o
  5. install LKM 
    insmod Sample.ko