libstd: allow improper_ctypes in sys/sgx

Signed-off-by: David Wood <david@davidtw.co>

Author: davidtwco

src/libstd/sys/sgx/abi/mod.rs

@@ -53,6 +53,7 @@ unsafe extern "C" fn tcs_init(secondary: bool) {
 // (main function exists). If this is a library, the crate author should be
 // able to specify this
 #[cfg(not(test))]
+#[allow(improper_ctypes)]
 #[no_mangle]
 extern "C" fn entry(p1: u64, p2: u64, p3: u64, secondary: bool, p4: u64, p5: u64) -> (u64, u64) {
     // FIXME: how to support TLS in library mode?

src/libstd/sys/sgx/rwlock.rs

@@ -172,6 +172,7 @@ const EINVAL: i32 = 22;
 
 #[cfg(not(test))]
 #[no_mangle]
+#[allow(improper_ctypes)]
 pub unsafe extern "C" fn __rust_rwlock_rdlock(p: *mut RWLock) -> i32 {
     if p.is_null() {
         return EINVAL;
@@ -181,6 +182,7 @@ pub unsafe extern "C" fn __rust_rwlock_rdlock(p: *mut RWLock) -> i32 {
 }
 
 #[cfg(not(test))]
+#[allow(improper_ctypes)]
 #[no_mangle]
 pub unsafe extern "C" fn __rust_rwlock_wrlock(p: *mut RWLock) -> i32 {
     if p.is_null() {
@@ -190,6 +192,7 @@ pub unsafe extern "C" fn __rust_rwlock_wrlock(p: *mut RWLock) -> i32 {
     return 0;
 }
 #[cfg(not(test))]
+#[allow(improper_ctypes)]
 #[no_mangle]
 pub unsafe extern "C" fn __rust_rwlock_unlock(p: *mut RWLock) -> i32 {
     if p.is_null() {