#define PR_FP_MODE_FR (1 << 0)
#define PR_FP_MODE_FRE (1 << 1)
+#define PR_CAP_AMBIENT 47
+#define PR_CAP_AMBIENT_IS_SET 1
+#define PR_CAP_AMBIENT_RAISE 2
+#define PR_CAP_AMBIENT_LOWER 3
+#define PR_CAP_AMBIENT_CLEAR_ALL 4
+
+#define PR_SVE_SET_VL 50
+#define PR_SVE_SET_VL_ONEXEC (1 << 18)
+#define PR_SVE_GET_VL 51
+#define PR_SVE_VL_LEN_MASK 0xffff
+#define PR_SVE_VL_INHERIT (1 << 17)
+
+#define PR_GET_SPECULATION_CTRL 52
+#define PR_SET_SPECULATION_CTRL 53
+#define PR_SPEC_STORE_BYPASS 0
+#define PR_SPEC_INDIRECT_BRANCH 1
+#define PR_SPEC_NOT_AFFECTED 0
+#define PR_SPEC_PRCTL (1UL << 0)
+#define PR_SPEC_ENABLE (1UL << 1)
+#define PR_SPEC_DISABLE (1UL << 2)
+#define PR_SPEC_FORCE_DISABLE (1UL << 3)
+#define PR_SPEC_DISABLE_NOEXEC (1UL << 4)
+
+#define PR_PAC_RESET_KEYS 54
+#define PR_PAC_APIAKEY (1UL << 0)
+#define PR_PAC_APIBKEY (1UL << 1)
+#define PR_PAC_APDAKEY (1UL << 2)
+#define PR_PAC_APDBKEY (1UL << 3)
+#define PR_PAC_APGAKEY (1UL << 4)
+
+#define PR_SET_TAGGED_ADDR_CTRL 55
+#define PR_GET_TAGGED_ADDR_CTRL 56
+#define PR_TAGGED_ADDR_ENABLE (1UL << 0)
+#define PR_MTE_TCF_SHIFT 1
+#define PR_MTE_TCF_NONE (0UL << 1)
+#define PR_MTE_TCF_SYNC (1UL << 1)
+#define PR_MTE_TCF_ASYNC (2UL << 1)
+#define PR_MTE_TCF_MASK (3UL << 1)
+#define PR_MTE_TAG_SHIFT 3
+#define PR_MTE_TAG_MASK (0xffffUL << 3)
+
+#define PR_SET_IO_FLUSHER 57
+#define PR_GET_IO_FLUSHER 58
+
+#define PR_SET_SYSCALL_USER_DISPATCH 59
+#define PR_SYS_DISPATCH_OFF 0
+#define PR_SYS_DISPATCH_ON 1
+#define SYSCALL_DISPATCH_FILTER_ALLOW 0
+#define SYSCALL_DISPATCH_FILTER_BLOCK 1
+
+#define PR_PAC_SET_ENABLED_KEYS 60
+#define PR_PAC_GET_ENABLED_KEYS 61
+
int prctl (int, ...);
#ifdef __cplusplus