Fix building aarch64-windows-gnu by adding missing libc files and compiler_rt functions (#9555)

* fix issue 9519

Added some missing files from mingw

* add missing compiler_rt functions

* finish PR

* add aarch64-windows-gnu to test targets

* add more compiler_rt

* add log2

* add pow

* add modti3

2 files changed, 25 insertions, 0 deletions

diff --git a/lib/std/special/compiler_rt.zig b/lib/std/special/compiler_rt.zig
index a662f87ea6..ed7f9d0c1c 100644
--- a/lib/std/special/compiler_rt.zig
+++ b/lib/std/special/compiler_rt.zig
@@ -576,6 +576,18 @@ comptime {
             },
             else => {},
         }
+        if (arch.isAARCH64()) {
+            const __chkstk = @import("compiler_rt/stack_probe.zig").__chkstk;
+            @export(__chkstk, .{ .name = "__chkstk", .linkage = strong_linkage });
+            const __divti3_windows = @import("compiler_rt/divti3.zig").__divti3;
+            @export(__divti3_windows, .{ .name = "__divti3", .linkage = linkage });
+            const __modti3 = @import("compiler_rt/modti3.zig").__modti3;
+            @export(__modti3, .{ .name = "__modti3", .linkage = linkage });
+            const __udivti3_windows = @import("compiler_rt/udivti3.zig").__udivti3;
+            @export(__udivti3_windows, .{ .name = "__udivti3", .linkage = linkage });
+            const __umodti3 = @import("compiler_rt/umodti3.zig").__umodti3;
+            @export(__umodti3, .{ .name = "__umodti3", .linkage = linkage });
+        }
     } else {
         const __divti3 = @import("compiler_rt/divti3.zig").__divti3;
         @export(__divti3, .{ .name = "__divti3", .linkage = linkage });
diff --git a/lib/std/special/compiler_rt/stack_probe.zig b/lib/std/special/compiler_rt/stack_probe.zig
index 78f8a2f8bf..db2a86bdfb 100644
--- a/lib/std/special/compiler_rt/stack_probe.zig
+++ b/lib/std/special/compiler_rt/stack_probe.zig
@@ -53,6 +53,19 @@ pub fn zig_probe_stack() callconv(.Naked) void {
         },
         else => {},
     }
+    if (comptime native_arch.isAARCH64()) {
+        asm volatile (
+            \\        lsl    x16, x15, #4
+            \\        mov    x17, sp
+            \\1:
+            \\        sub    x17, x17, #PAGE_SIZE
+            \\        subs   x16, x16, #PAGE_SIZE
+            \\        ldr    xzr, [x17]
+            \\        b.gt   1b
+            \\
+            \\        ret
+        );
+    }
 
     unreachable;
 }