diff options
Diffstat (limited to 'src/libstd/sys')
| -rw-r--r-- | src/libstd/sys/sgx/abi/entry.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/sys/sgx/abi/entry.S b/src/libstd/sys/sgx/abi/entry.S index f5d9c4338de..cd26c7ca200 100644 --- a/src/libstd/sys/sgx/abi/entry.S +++ b/src/libstd/sys/sgx/abi/entry.S @@ -123,7 +123,9 @@ sgx_entry: /* reset user state */ /* - DF flag: x86-64 ABI requires DF to be unset at function entry/exit */ /* - AC flag: AEX on misaligned memory accesses leaks side channel info */ + pushfq andq $~0x40400, (%rsp) + popfq /* check for debug buffer pointer */ testb $0xff,DEBUG(%rip) |