1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-1.c b/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-1.c
new file mode 100644
index 0000000000..e13c7526b6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-1.c
@@ -0,0 +1,44 @@
+/* Test CET property note parser.
+   Copyright (C) 2018-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <stdio.h>
+#include <elf.h>
+#include <tcb-offsets.h>
+
+/* This test prints out "IBT" if Intel indirect branch tracking (IBT)
+   is enabled at run-time, which is checked by tst-cet-property-2 to
+   verify that the IBT violation is caught on IBT machines.  */
+
+static int
+do_test (void)
+{
+  unsigned int feature_1;
+#ifdef __x86_64__
+# define SEG_REG "fs"
+#else
+# define SEG_REG "gs"
+#endif
+  asm ("movl %%" SEG_REG ":%P1, %0"
+       : "=r" (feature_1) : "i" (FEATURE_1_OFFSET));
+  if ((feature_1 & GNU_PROPERTY_X86_FEATURE_1_IBT) != 0)
+    printf ("IBT\n");
+
+  return 0;
+}
+
+#include <support/test-driver.c>