Fix gcc compile warnings

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-09-01 10:14:46 +01:00
parent ac3cf7c20b
commit ba67451562

View File

@ -130,10 +130,19 @@ void mbedtls_platform_zeroize(void *buf, size_t len)
#if defined(__GNUC__)
/* For clang and gcc, pretend that we have some assembly that reads the
* zero'd memory as an additional protection against being optimised away. */
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wvla"
#elif defined(MBEDTLS_COMPILER_IS_GCC)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wvla"
#endif
asm volatile ("" : : "m" (*(char (*)[len]) buf) : );
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(MBEDTLS_COMPILER_IS_GCC)
#pragma GCC diagnostic pop
#endif
#endif
}
}