diff options
| author | Philip Guenther <guenther@cvs.openbsd.org> | 2023-05-22 00:37:20 +0000 |
|---|---|---|
| committer | Philip Guenther <guenther@cvs.openbsd.org> | 2023-05-22 00:37:20 +0000 |
| commit | dd0fd50424a017e81769d9a6c9b9ba7648cf0271 (patch) | |
| tree | 6105197ce125d6bd97cd868118427bcbda6a31e4 | |
| parent | 782effe6b7240dfb2d2858e647caeac58399df6b (diff) | |
NENTRY() doesn't provide an endbr64, so give memmove one in
case it ever gets called through a function pointer (with retpoline
disabled)
ok deraadt@
| -rw-r--r-- | sys/lib/libkern/arch/amd64/memmove.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/lib/libkern/arch/amd64/memmove.S b/sys/lib/libkern/arch/amd64/memmove.S index e10113a3745..6c49b21dd79 100644 --- a/sys/lib/libkern/arch/amd64/memmove.S +++ b/sys/lib/libkern/arch/amd64/memmove.S @@ -45,6 +45,7 @@ ENTRY(bcopy) /* fall into memmove */ NENTRY(memmove) + endbr64 RETGUARD_SETUP(memmove, r10) movq %rdi,%r11 /* save dest */ movq %rdx,%rcx |