1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/x86/get-cpuid-feature-leaf.c b/sysdeps/x86/get-cpuid-feature-leaf.c
new file mode 100644
index 0000000000..097e47c7b3
--- /dev/null
+++ b/sysdeps/x86/get-cpuid-feature-leaf.c
@@ -0,0 +1,30 @@
+/* Get CPUID feature leaf.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+
+#include <ldsodefs.h>
+
+const struct cpuid_feature *
+__x86_get_cpuid_feature_leaf (unsigned int leaf)
+{
+  static const struct cpuid_feature feature = {};
+  if (leaf < CPUID_INDEX_MAX)
+    return ((const struct cpuid_feature *)
+	      &GLRO(dl_x86_cpu_features).features[leaf]);
+  else
+    return &feature;
+}