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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2021-05-05 22:05:22 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-05-05 22:05:22 (GMT) |
| commit | 3b2a45ff95a68acc8276b37678c98740a232f6d4 (patch) | |
| tree | 565ab4858c5f3b57b95b6ef018913baefb1dc123 /Modules/_sha3/sha3module.c | |
| parent | 8f3ef457ad286e73f272dadec8b98d2ea3a6ec72 (diff) | |
| download | cpython-3b2a45ff95a68acc8276b37678c98740a232f6d4.zip cpython-3b2a45ff95a68acc8276b37678c98740a232f6d4.tar.gz cpython-3b2a45ff95a68acc8276b37678c98740a232f6d4.tar.bz2 | |
bpo-36515: Disable unaligned memory access in _sha3 on ARM (GH-25927)
Contributed-By: Matthias Klose
Automerge-Triggered-By: GH:tiran
(cherry picked from commit da5c808fb50d34bc2e180d9481706072f33025da)
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Diffstat (limited to 'Modules/_sha3/sha3module.c')
| -rw-r--r-- | Modules/_sha3/sha3module.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/_sha3/sha3module.c b/Modules/_sha3/sha3module.c index aba7f6d..3974e0b 100644 --- a/Modules/_sha3/sha3module.c +++ b/Modules/_sha3/sha3module.c @@ -64,6 +64,11 @@ #define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN #endif +/* Prevent bus errors on platforms requiring aligned accesses such ARM. */ +#if HAVE_ALIGNED_REQUIRED && !defined(NO_MISALIGNED_ACCESSES) +#define NO_MISALIGNED_ACCESSES +#endif + /* mangle names */ #define KeccakF1600_FastLoop_Absorb _PySHA3_KeccakF1600_FastLoop_Absorb #define Keccak_HashFinal _PySHA3_Keccak_HashFinal |