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
6 print_kasan_offset () {
7 printf "%02d\t" $1
8 printf "0x%08x00000000\n" $(( (0xffffffff & (-1 << ($1 - 1 - 32))) \
9 - (1 << (64 - 32 - $2)) ))
10 }
11
12 echo KASAN_SHADOW_SCALE_SHIFT = 3
13 printf "VABITS\tKASAN_SHADOW_OFFSET\n"
14 print_kasan_offset 48 3
15 print_kasan_offset 47 3
16 print_kasan_offset 42 3
17 print_kasan_offset 39 3
18 print_kasan_offset 36 3
19 echo
20 echo KASAN_SHADOW_SCALE_SHIFT = 4
21 printf "VABITS\tKASAN_SHADOW_OFFSET\n"
22 print_kasan_offset 48 4
23 print_kasan_offset 47 4
24 print_kasan_offset 42 4
25 print_kasan_offset 39 4
26 print_kasan_offset 36 4
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