commit 18621fb30c50e7ee8bc71001a4f42236d29a6133
author Tamas Petz <tamas.petz@arm.com> Thu Aug 27 15:39:49 2020 +0200
committer Tamas Petz <tamas.petz@arm.com> Fri Sep 04 11:28:59 2020 +0200
tree b07152ca808f5e5346ca50d8df2b0a14a3f424e8
parent 42b6530b1bdde8e7f8e52d738a62b084d1f44f3b

Update crtbegin.c and crt*.S to support Armv8.5-A BTI

These files are linked to all ELF files therefore they must support BTI.

Test: Tested on FVP with BTI enabled using a patched clang.

Co-authored-by: Gabor Kertesz <gabor.kertesz@arm.com>
Co-authored-by: Daniel Kiss   <daniel.kiss@arm.com>
Co-authored-by: Tamas Petz    <tamas.petz@arm.com>

Change-Id: If5df0722e649bcdb8c4afb0531831dff42103c9c

libc/arch-common/bionic/crtend_so.S

diff --git a/libc/arch-common/bionic/crtend_so.S b/libc/arch-common/bionic/crtend_so.S
index e7b8cac..426d098 100644
--- a/libc/arch-common/bionic/crtend_so.S
+++ b/libc/arch-common/bionic/crtend_so.S
@@ -26,6 +26,12 @@
  * SUCH DAMAGE.
  */
 
+#if defined(__aarch64__)
+#include <private/bionic_asm_arm64.h>
+
+__bionic_asm_custom_note_gnu_section()
+#endif
+
 #if defined(__linux__) && defined(__ELF__)
 	.section .note.GNU-stack,"",%progbits
 #endif