diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c b/src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c index 01740dcd953..240c2a421bf 100644 --- a/src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c +++ b/src/third_party/wiredtiger/src/checksum/arm64/crc32-arm64.c @@ -26,9 +26,16 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#include "wt_internal.h" +#include <inttypes.h> +#include <stddef.h> -#if defined(__linux__) && defined(HAVE_CRC32_HARDWARE) +/* + * The checksum code doesn't include WiredTiger configuration or include files. + * This means the HAVE_NO_CRC32_HARDWARE #define isn't configurable as part of + * standalone WiredTiger configuration, there's no way to turn off the checksum + * hardware. + */ +#if defined(__linux__) && !defined(HAVE_NO_CRC32_HARDWARE) #include <asm/hwcap.h> #include <sys/auxv.h> @@ -84,23 +91,27 @@ __wt_checksum_hw(const void *chunk, size_t len) } #endif +extern uint32_t __wt_checksum_sw(const void *chunk, size_t len); +#if defined(__GNUC__) +extern uint32_t (*wiredtiger_crc32c_func(void))(const void *, size_t) + __attribute__((visibility("default"))); +#else +extern uint32_t (*wiredtiger_crc32c_func(void))(const void *, size_t); +#endif + /* - * __wt_checksum_init -- - * WiredTiger: detect CRC hardware and set the checksum function. + * wiredtiger_crc32c_func -- + * WiredTiger: detect CRC hardware and return the checksum function. */ -void -__wt_checksum_init(void) - WT_GCC_FUNC_ATTRIBUTE((cold)) +uint32_t (*wiredtiger_crc32c_func(void))(const void *, size_t) { -#if defined(__linux__) && defined(HAVE_CRC32_HARDWARE) +#if defined(__linux__) && !defined(HAVE_NO_CRC32_HARDWARE) unsigned long caps = getauxval(AT_HWCAP); if (caps & HWCAP_CRC32) - __wt_process.checksum = __wt_checksum_hw; - else - __wt_process.checksum = __wt_checksum_sw; - + return (__wt_checksum_hw); + return (__wt_checksum_sw); #else - __wt_process.checksum = __wt_checksum_sw; + return (__wt_checksum_sw); #endif } |