From 5c16b8ee9091f95467f2bc9928b27d120aca038f Mon Sep 17 00:00:00 2001
From: Andrew Noyes <andrew@weaselab.dev>
Date: Sun, 2 Aug 2026 22:31:56 -0400
Subject: [PATCH] Add .note.gnu.property section for CET/CFI to simd_x86_64.S

The assembly file was missing the GNU property note that records
control-flow integrity (CET) support, causing hardening-check to
report 'Control flow integrity: no, not found!'.  Add the note
matching what clang emits with -fcf-protection.
---
 simd_x86_64.S | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/simd_x86_64.S b/simd_x86_64.S
index 38ed58b..cd6c0f5 100644
--- a/simd_x86_64.S
+++ b/simd_x86_64.S
@@ -71,4 +71,15 @@ mask_in_range_16:
     ret
     .size mask_in_range_16, .-mask_in_range_16
 
+    .section .note.gnu.property,"a",@note
+    .p2align 3, 0x0
+    .long 4
+    .long 16
+    .long 5
+    .asciz "GNU"
+    .long 0xc0000002
+    .long 4
+    .long 0x3
+    .p2align 3, 0x0
+
     .section .note.GNU-stack,"",@progbits
\ No newline at end of file