Allow bootjars in system_ext.

Bug: 148385042
Test: Built and booted Pixel 3a both with and without a boot jar in system_ext.
Test: m test-art-host-gtest-hidden_api_test32
Test: m test-art-host-gtest-hidden_api_test64
Change-Id: I10ef0340b92aa60579ff39f888cb556dc2953f2a

1 files changed, 9 insertions, 0 deletions

diff --git a/libartbase/base/file_utils.cc b/libartbase/base/file_utils.cc
index 98b69f3df5..91cf5f72b1 100644
--- a/libartbase/base/file_utils.cc
+++ b/libartbase/base/file_utils.cc
@@ -68,6 +68,8 @@ static constexpr const char* kClassesDex = "classes.dex";
 static constexpr const char* kApexDefaultPath = "/apex/";
 static constexpr const char* kAndroidRootEnvVar = "ANDROID_ROOT";
 static constexpr const char* kAndroidRootDefaultPath = "/system";
+static constexpr const char* kAndroidSystemExtRootEnvVar = "ANDROID_SYSTEM_EXT";
+static constexpr const char* kAndroidSystemExtRootDefaultPath = "/system_ext";
 static constexpr const char* kAndroidDataEnvVar = "ANDROID_DATA";
 static constexpr const char* kAndroidDataDefaultPath = "/data";
 static constexpr const char* kAndroidArtRootEnvVar = "ANDROID_ART_ROOT";
@@ -448,6 +450,13 @@ bool LocationIsOnSystemFramework(const char* full_path) {
                             /* subdir= */ "framework/");
 }
 
+bool LocationIsOnSystemExtFramework(const char* full_path) {
+  return IsLocationOnModule(full_path,
+                            kAndroidSystemExtRootEnvVar,
+                            kAndroidSystemExtRootDefaultPath,
+                            /* subdir= */ "framework/");
+}
+
 bool LocationIsOnConscryptModule(const char* full_path) {
   return IsLocationOnModule(
       full_path, kAndroidConscryptRootEnvVar, kAndroidConscryptApexDefaultPath);