Repeat ARCH_XCOMP_GET_PERM if necessary as the relevant bit may be ne…

…wly enabled.
rr-debugger · Jan 24, 2025 · 8254cbc · 8254cbc
1 parent 6ef3252
commit 8254cbc
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/test/x86/arch_prctl_xstate.c b/src/test/x86/arch_prctl_xstate.c
@@ -38,6 +38,11 @@ int main(void) {
   ret = syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_PERM, ARCH_XCOMP_TILEDATA);
   if ((1 << ARCH_XCOMP_TILEDATA) & *features_perm) {
     test_assert(0 == ret);
+  } else if (0 == ret) {
+    ret = syscall(SYS_arch_prctl, ARCH_GET_XCOMP_PERM, features_perm);
+    test_assert(0 == ret);
+    VERIFY_GUARD(features_perm);
+    test_assert((1 << ARCH_XCOMP_TILEDATA) & *features_perm);
   } else {
     test_assert(-1 == ret && errno == EOPNOTSUPP);
   }