Use armv7l policy for 64-bit arm kernel in 32-bit mode (armv8l) (#419)

Author: mayeut

src/auditwheel/policy/__init__.py

@@ -23,9 +23,12 @@ def get_arch_name() -> str:
     machine = _platform_module.machine()
     if sys.platform == "darwin" and machine == "arm64":
         return "aarch64"
-    if machine not in {"x86_64", "i686"}:
-        return machine
-    return {64: "x86_64", 32: "i686"}[bits]
+    if machine in {"x86_64", "i686"}:
+        return {64: "x86_64", 32: "i686"}[bits]
+    if machine in {"aarch64", "armv8l"}:
+        # use armv7l policy for 64-bit arm kernel in 32-bit mode (armv8l)
+        return {64: "aarch64", 32: "armv7l"}[bits]
+    return machine
 
 
 _ARCH_NAME = get_arch_name()

tests/unit/test_policy.py

@@ -20,6 +20,8 @@
     [
         ("armv6l", "armv6l"),
         ("armv7l", "armv7l"),
+        ("armv8l", "armv7l"),
+        ("aarch64", "armv7l"),
         ("i686", "i686"),
         ("x86_64", "i686"),
     ],
@@ -35,8 +37,10 @@ def test_32bits_arch_name(machine_mock, reported_arch, expected_arch):
 @pytest.mark.parametrize(
     "reported_arch,expected_arch",
     [
+        ("armv8l", "aarch64"),
         ("aarch64", "aarch64"),
         ("ppc64le", "ppc64le"),
+        ("i686", "x86_64"),
         ("x86_64", "x86_64"),
     ],
 )