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--- contrib/rocksdb/util/crc32c_arm64.cc.orig 2021-05-13 00:21:57.000000000 +0200
+++ contrib/rocksdb/util/crc32c_arm64.cc 2000-01-01 02:32:56.500264000 +0100
@@ -5,9 +5,11 @@
#include "util/crc32c_arm64.h"
-#if defined(__linux__) && defined(HAVE_ARM64_CRC)
+#if (defined(__FreeBSD__) || defined(__linux__)) && defined(HAVE_ARM64_CRC)
+#if defined(__linux__)
#include <asm/hwcap.h>
+#endif // linux
#ifdef ROCKSDB_AUXV_GETAUXVAL_PRESENT
#include <sys/auxv.h>
#endif
@@ -42,7 +44,14 @@ extern bool pmull_runtime_flag;
uint32_t crc32c_runtime_check(void) {
#ifdef ROCKSDB_AUXV_GETAUXVAL_PRESENT
+#if defined(__FreeBSD__)
+ uint64_t auxv;
+ int result = elf_aux_info(AT_HWCAP, &auxv, sizeof auxv);
+ if (result != 0)
+ return 0;
+#else
uint64_t auxv = getauxval(AT_HWCAP);
+#endif
return (auxv & HWCAP_CRC32) != 0;
#else
return 0;
@@ -51,7 +60,14 @@ uint32_t crc32c_runtime_check(void) {
bool crc32c_pmull_runtime_check(void) {
#ifdef ROCKSDB_AUXV_GETAUXVAL_PRESENT
+#if defined(__FreeBSD__)
+ uint64_t auxv;
+ int result = elf_aux_info(AT_HWCAP, &auxv, sizeof auxv);
+ if (result != 0)
+ return 0;
+#else
uint64_t auxv = getauxval(AT_HWCAP);
+#endif
return (auxv & HWCAP_PMULL) != 0;
#else
return false;
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