1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl b/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
index 8de869489f..2bac7d744d 100755
--- a/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
+++ b/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
@@ -127,7 +127,9 @@ $code=<<___;
 .globl  RC4
 .type   RC4,\@function,4
 .align  16
-RC4:    or      $len,$len
+RC4:
+        endbr64
+        or      $len,$len
         jne     .Lentry
         ret
 .Lentry:
@@ -433,6 +435,7 @@ $code.=<<___;
 .type   RC4_set_key,\@function,3
 .align  16
 RC4_set_key:
+        endbr64
         lea     8($dat),$dat
         lea     ($inp,$len),$inp
         neg     $len
@@ -505,6 +508,7 @@ RC4_set_key:
 .type   RC4_options,\@abi-omnipotent
 .align  16
 RC4_options:
+        endbr64
         lea     .Lopts(%rip),%rax
         mov     OPENSSL_ia32cap_P(%rip),%edx
         bt      \$IA32CAP_BIT0_INTELP4,%edx