22 lines
718 B
Diff
22 lines
718 B
Diff
Ensure memory accesses in the sha3 module are aligned on ARM as it causes
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problems when running 32-bit code on a 64-bit kernel.
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Patch taken from upstream bug report:
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https://bugs.python.org/issue36515
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--- a/Modules/_sha3/sha3module.c
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+++ b/Modules/_sha3/sha3module.c
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@@ -64,6 +64,12 @@
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#define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
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#endif
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+/* Bus error on 32-bit ARM due to un-aligned memory accesses; 64-bit ARM
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+ * doesn't complain but un-aligned memory accesses are sub-optimal */
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+#if defined(__arm__) || defined(__aarch64__)
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+#define NO_MISALIGNED_ACCESSES
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+#endif
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+
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/* mangle names */
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#define KeccakF1600_FastLoop_Absorb _PySHA3_KeccakF1600_FastLoop_Absorb
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#define Keccak_HashFinal _PySHA3_Keccak_HashFinal
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