| Steve Capper | 6bd1d0b | 2019-08-07 16:55:15 +0100 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | # Print out the KASAN_SHADOW_OFFSETS required to place the KASAN SHADOW |
| Ard Biesheuvel | f4693c2 | 2020-10-08 17:36:00 +0200 | [diff] [blame] | 4 | # start address at the top of the linear region |
| Steve Capper | 6bd1d0b | 2019-08-07 16:55:15 +0100 | [diff] [blame] | 5 | |
| 6 | print_kasan_offset () { |
| 7 | printf "%02d\t" $1 |
| 8 | printf "0x%08x00000000\n" $(( (0xffffffff & (-1 << ($1 - 1 - 32))) \ |
| Steve Capper | 6bd1d0b | 2019-08-07 16:55:15 +0100 | [diff] [blame] | 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 |