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crypto: arm64/sha - avoid non-standard inline asm tricks

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commit f4857f4c2e upstream.

Replace the inline asm which exports struct offsets as ELF symbols
with proper const variables exposing the same values. This works
around an issue with Clang which does not interpret the "i" (or "I")
constraints in the same way as GCC.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel
2017-04-26 17:11:32 +01:00
committed by Chris
parent b74e72a219
commit f995f2865c
2 changed files with 8 additions and 0 deletions
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3
arch/arm64/crypto/sha1-ce-glue.c
View File

@@ -40,6 +40,9 @@ static inline void __cfi_sha1_ce_transform(struct sha1_state *sst,
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
const u32 sha1_ce_offsetof_finalize = offsetof(struct sha1_ce_state, finalize);
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
const u32 sha1_ce_offsetof_finalize = offsetof(struct sha1_ce_state, finalize);
static int sha1_ce_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{

5
arch/arm64/crypto/sha2-ce-glue.c
View File

@@ -37,6 +37,11 @@ static inline void __cfi_sha2_ce_transform(struct sha256_state *sst,
#define sha2_ce_transform __cfi_sha2_ce_transform
#endif
const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
sst.count);
const u32 sha256_ce_offsetof_finalize = offsetof(struct sha256_ce_state,
finalize);
const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
sst.count);
const u32 sha256_ce_offsetof_finalize = offsetof(struct sha256_ce_state,