反汇编一个函数

dis.sh

#!/bin/sh
#file: /usr/bin/dis
#disassemble a function
#author: sid

export PATH=/Users/faywong/Library/Android/sdk/ndk/21.1.6352462/toolchains/aarch64-linux-android-4.9/prebuilt/darwin-x86_64/bin:$PATH
routine=$1
func=$2

if [ -z "$routine" ]; then
    exit
fi

start=$(aarch64-linux-android-nm -n $routine | grep "\w\s$func" | awk '{print "0x"$1;exit}')
end=$(aarch64-linux-android-nm -n $routine | grep -A1 "\w\s$func" | awk '{getline; print "0x"$1;exit}')

if [ -z "$func" ]; then
    aarch64-linux-android-objdump -d $routine
else
    echo "start-address: $start, end-address: $end"
    aarch64-linux-android-objdump -d $routine --start-address=$start --stop-address=$end
fi