x86: Enable Intel CET

When Intel CET is enabled, we need to include <cet.h> in assembly codes to mark Intel CET support and place _CET_ENDBR at the function entry.
2021-04-30 18:01:14 -07:00
parent dc6b04c375
commit 53ee0b76bb
3 changed files with 13 additions and 2 deletions
--- a/common_x86_64.h
+++ b/common_x86_64.h
@@ -451,7 +451,8 @@ REALNAME:
 	.align 512; \
 	.globl REALNAME ;\
       .type REALNAME, @function; \
-REALNAME:
+REALNAME: \
+	_CET_ENDBR

 #ifdef PROFILE
 #define PROFCODE call *mcount@GOTPCREL(%rip)