Improvements for aarch64 support

src/platform/redox/mod.rs

@@ -797,6 +797,12 @@ impl Pal for Sys {
         res as c_int
     }
 
+    #[cfg(target_arch = "aarch64")]
+    unsafe fn pte_clone(stack: *mut usize) -> pid_t {
+        //TODO: aarch64
+        unimplemented!("pte_clone not implemented on aarch64");
+    }
+
     #[cfg(target_arch = "x86_64")]
     unsafe fn pte_clone(stack: *mut usize) -> pid_t {
         let flags = syscall::CLONE_VM

src/platform/redox/ptrace.rs

@@ -90,6 +90,18 @@ pub fn get_session(
     }
 }
 
+#[cfg(target_arch = "aarch64")]
+fn inner_ptrace(
+    request: c_int,
+    pid: pid_t,
+    addr: *mut c_void,
+    data: *mut c_void,
+) -> io::Result<c_int> {
+    //TODO: aarch64
+    unimplemented!("inner_ptrace not implemented on aarch64");
+}
+
+#[cfg(target_arch = "x86_64")]
 fn inner_ptrace(
     request: c_int,
     pid: pid_t,