git: 25d0310ed881 - main - arm64: Mark the armv8 crc32c as supporting BTI

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Tue, 21 Nov 2023 11:27:56 UTC
The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=25d0310ed881e86cec9ab5cf37dd8471e88ad554

commit 25d0310ed881e86cec9ab5cf37dd8471e88ad554
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2023-11-14 15:01:58 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2023-11-21 11:25:43 +0000

    arm64: Mark the armv8 crc32c as supporting BTI
    
    This is built into a test so needs the BTI elf note for the rest of the
    test to be built with BTI support enabled.
    
    As the assembly uses the ENTRY macro it already supports BTI, so mark
    it as such.
    
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D42595
---
 sys/libkern/arm64/crc32c_armv8.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/libkern/arm64/crc32c_armv8.S b/sys/libkern/arm64/crc32c_armv8.S
index 32bf00ee477d..649afff4b711 100644
--- a/sys/libkern/arm64/crc32c_armv8.S
+++ b/sys/libkern/arm64/crc32c_armv8.S
@@ -26,6 +26,8 @@
  */
 
 #include <machine/asm.h>
+#include <sys/elf_common.h>
+
 .arch_extension crc
 
 /*
@@ -76,3 +78,5 @@ last_byte:
 end:
 	ret
 END(armv8_crc32c)
+
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)