Add aarch64-*-windows-gnu* support (without assembly)

Author: mati865

psm/build.rs

@@ -34,6 +34,7 @@ fn find_assembly(
                 Some(("src/arch/aarch_aapcs64.s", false))
             }
         }
+        ("aarch64", _, "windows", _) => None,
         ("x86", _, "windows", _) => Some(("src/arch/x86_windows_gnu.s", false)),
         ("x86_64", _, "windows", _) => Some(("src/arch/x86_64_windows_gnu.s", false)),
         ("x86", _, _, _) => Some(("src/arch/x86.s", true)),

src/lib.rs

@@ -264,7 +264,7 @@ psm_stack_manipulation! {
     }
 
     no {
-        #[cfg(not(windows))]
+        #[cfg(any(not(windows), all(windows, target_arch = "aarch64", target_env = "gnu")))]
         fn _grow(stack_size: usize, callback: &mut dyn FnMut()) {
             drop(stack_size);
             callback();
@@ -273,7 +273,7 @@ psm_stack_manipulation! {
 }
 
 cfg_if! {
-    if #[cfg(windows)] {
+    if #[cfg(all(windows, not(all(target_arch = "aarch64", target_env = "gnu"))))] {
         use std::ptr;
         use std::io;