diff --git a/vmbase/Android.bp b/vmbase/Android.bp
index 4c5e9d1..e098ea7 100644
--- a/vmbase/Android.bp
+++ b/vmbase/Android.bp
@@ -2,9 +2,57 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+rust_defaults {
+    name: "vmbase_rust_defaults",
+    host_supported: false,
+    enabled: false,
+    target: {
+        android_arm64: {
+            enabled: true,
+        },
+    },
+}
+
+rust_defaults {
+    name: "vmbase_ffi_defaults",
+    defaults: ["vmbase_rust_defaults"],
+    no_stdlibs: true,
+    stdlibs: [
+        "libcompiler_builtins.rust_sysroot",
+        "libcore.rust_sysroot",
+    ],
+}
+
+cc_defaults {
+    name: "vmbase_cc_defaults",
+    nocrt: true,
+    system_shared_libs: [],
+    stl: "none",
+    installable: false,
+    enabled: false,
+    target: {
+        android_arm64: {
+            enabled: true,
+        },
+    },
+    sanitize: {
+        hwaddress: false,
+    },
+}
+
+cc_defaults {
+    name: "vmbase_elf_defaults",
+    defaults: ["vmbase_cc_defaults"],
+    system_shared_libs: ["libc"],
+    static_executable: true,
+    static_libs: [
+        "libvmbase_entry",
+    ],
+}
+
 rust_library_rlib {
     name: "libvmbase",
-    host_supported: false,
+    defaults: ["vmbase_rust_defaults"],
     crate_name: "vmbase",
     srcs: ["src/lib.rs"],
     edition: "2021",
@@ -13,31 +61,17 @@
         "libpsci",
         "libspin_nostd",
     ],
-    enabled: false,
-    target: {
-        android_arm64: {
-            enabled: true,
-        },
-    },
     apex_available: ["com.android.virt"],
 }
 
 cc_library_static {
     name: "libvmbase_entry",
+    defaults: ["vmbase_cc_defaults"],
     srcs: [
         "entry.S",
         "exceptions.S",
     ],
-    nocrt: true,
     no_libcrt: true,
-    system_shared_libs: [],
-    stl: "none",
-    enabled: false,
-    target: {
-        android_arm64: {
-            enabled: true,
-        },
-    },
     apex_available: ["com.android.virt"],
 }