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Fix "unterminated '#pragma clang attribute push'" in sha256/sha512.c

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If we're built with MBEDTLS_SHAxxx_USE_A64_CRYPTO_IF_PRESENT but don't have a
way to detect the crypto extensions required, the code turns off _IF_PRESENT
and falls back to C only (with a warning). This was done after the attributes
are pushed, and the pop is done only #if defined(xxx_IF_PRESENT), so this
commit fixes that.

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove 2023-06-09 11:29:50 +01:00
parent e5e8ba654e
commit ef2aa0ecad
3 changed files with 8 additions and 4 deletions
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4
ChangeLog.d/fix-unterminated-pragma-clang-attribute-push.txt Normal file
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@ -0,0 +1,4 @@
Bugfix
* Fix "unterminated '#pragma clang attribute push'" in sha256/sha512.c when
built with MBEDTLS_SHAxxx_USE_A64_CRYPTO_IF_PRESENT but don't have a
way to detect the crypto extensions required. A warning is still issued.

4
library/sha256.c
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@ -399,6 +399,8 @@ int mbedtls_internal_sha256_process_a64_crypto(mbedtls_sha256_context *ctx,
SHA256_BLOCK_SIZE) ? 0 : -1; SHA256_BLOCK_SIZE) ? 0 : -1;
} }
#endif /* MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY */
#if defined(MBEDTLS_POP_TARGET_PRAGMA) #if defined(MBEDTLS_POP_TARGET_PRAGMA)
#if defined(__clang__) #if defined(__clang__)
#pragma clang attribute pop #pragma clang attribute pop
@ -408,8 +410,6 @@ int mbedtls_internal_sha256_process_a64_crypto(mbedtls_sha256_context *ctx,
#undef MBEDTLS_POP_TARGET_PRAGMA #undef MBEDTLS_POP_TARGET_PRAGMA
#endif #endif
#endif /* MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY */
#if !defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) #if !defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT)
#define mbedtls_internal_sha256_process_many_c mbedtls_internal_sha256_process_many #define mbedtls_internal_sha256_process_many_c mbedtls_internal_sha256_process_many
#define mbedtls_internal_sha256_process_c mbedtls_internal_sha256_process #define mbedtls_internal_sha256_process_c mbedtls_internal_sha256_process

4
library/sha512.c
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@ -569,6 +569,8 @@ int mbedtls_internal_sha512_process_a64_crypto(mbedtls_sha512_context *ctx,
SHA512_BLOCK_SIZE) ? 0 : -1; SHA512_BLOCK_SIZE) ? 0 : -1;
} }
#endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */
#if defined(MBEDTLS_POP_TARGET_PRAGMA) #if defined(MBEDTLS_POP_TARGET_PRAGMA)
#if defined(__clang__) #if defined(__clang__)
#pragma clang attribute pop #pragma clang attribute pop
@ -578,8 +580,6 @@ int mbedtls_internal_sha512_process_a64_crypto(mbedtls_sha512_context *ctx,
#undef MBEDTLS_POP_TARGET_PRAGMA #undef MBEDTLS_POP_TARGET_PRAGMA
#endif #endif
#endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */
#if !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) #if !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT)
#define mbedtls_internal_sha512_process_many_c mbedtls_internal_sha512_process_many #define mbedtls_internal_sha512_process_many_c mbedtls_internal_sha512_process_many