kasan-offsets.sh (670B)
1#!/bin/sh 2 3# Print out the KASAN_SHADOW_OFFSETS required to place the KASAN SHADOW 4# start address at the top of the linear region 5 6print_kasan_offset () { 7 printf "%02d\t" $1 8 printf "0x%08x00000000\n" $(( (0xffffffff & (-1 << ($1 - 1 - 32))) \ 9 - (1 << (64 - 32 - $2)) )) 10} 11 12echo KASAN_SHADOW_SCALE_SHIFT = 3 13printf "VABITS\tKASAN_SHADOW_OFFSET\n" 14print_kasan_offset 48 3 15print_kasan_offset 47 3 16print_kasan_offset 42 3 17print_kasan_offset 39 3 18print_kasan_offset 36 3 19echo 20echo KASAN_SHADOW_SCALE_SHIFT = 4 21printf "VABITS\tKASAN_SHADOW_OFFSET\n" 22print_kasan_offset 48 4 23print_kasan_offset 47 4 24print_kasan_offset 42 4 25print_kasan_offset 39 4 26print_kasan_offset 36 4