Snap for 6549967 from 2b4d4844a028502878ec0bb7c7e1c9add62e221c to mainline-release

Change-Id: Ic3ca2dd77fce41031fe2a563a5ea527ff2a04105
diff --git a/linker/Android.bp b/linker/Android.bp
index 4be080b..f75088d 100644
--- a/linker/Android.bp
+++ b/linker/Android.bp
@@ -316,6 +316,10 @@
         "linker_version_script_overlay",
     ],
 
+    srcs: [
+        "linker_translate_path.cpp",
+    ],
+
     symlinks: ["linker_asan"],
     multilib: {
         lib64: {
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 15b6a40..f241677 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -65,6 +65,7 @@
 #include "linker_phdr.h"
 #include "linker_relocate.h"
 #include "linker_tls.h"
+#include "linker_translate_path.h"
 #include "linker_utils.h"
 
 #include "private/bionic_call_ifunc_resolver.h"
@@ -103,7 +104,6 @@
 static const char* const kAsanSystemLibDir    = "/data/asan/system/lib64";
 static const char* const kAsanOdmLibDir       = "/data/asan/odm/lib64";
 static const char* const kAsanVendorLibDir    = "/data/asan/vendor/lib64";
-static const char* const kArtApexLibDir       = "/apex/com.android.art/lib64";
 #else
 static const char* const kSystemLibDir        = "/system/lib";
 static const char* const kOdmLibDir           = "/odm/lib";
@@ -111,7 +111,6 @@
 static const char* const kAsanSystemLibDir    = "/data/asan/system/lib";
 static const char* const kAsanOdmLibDir       = "/data/asan/odm/lib";
 static const char* const kAsanVendorLibDir    = "/data/asan/vendor/lib";
-static const char* const kArtApexLibDir       = "/apex/com.android.art/lib";
 #endif
 
 static const char* const kAsanLibDirPrefix = "/data/asan";
@@ -235,44 +234,6 @@
 }
 // END OF WORKAROUND
 
-// Workaround for dlopen(/system/lib(64)/<soname>) when .so is in /apex. http://b/121248172
-/**
- * Translate /system path to /apex path if needed
- * The workaround should work only when targetSdkVersion < Q.
- *
- * param out_name_to_apex pointing to /apex path
- * return true if translation is needed
- */
-static bool translateSystemPathToApexPath(const char* name, std::string* out_name_to_apex) {
-  static const char* const kSystemToArtApexLibs[] = {
-    "libicuuc.so",
-    "libicui18n.so",
-  };
-  // New mapping for new apex should be added below
-
-  // Nothing to do if target sdk version is Q or above
-  if (get_application_target_sdk_version() >= 29) {
-    return false;
-  }
-
-  // If the path isn't /system/lib, there's nothing to do.
-  if (name == nullptr || dirname(name) != kSystemLibDir) {
-    return false;
-  }
-
-  const char* base_name = basename(name);
-
-  for (const char* soname : kSystemToArtApexLibs) {
-    if (strcmp(base_name, soname) == 0) {
-      *out_name_to_apex = std::string(kArtApexLibDir) + "/" + base_name;
-      return true;
-    }
-  }
-
-  return false;
-}
-// End Workaround for dlopen(/system/lib/<soname>) when .so is in /apex.
-
 static std::vector<std::string> g_ld_preload_names;
 
 static void notify_gdb_of_load(soinfo* info) {
diff --git a/linker/linker_translate_path.cpp b/linker/linker_translate_path.cpp
new file mode 100644
index 0000000..df7d0aa
--- /dev/null
+++ b/linker/linker_translate_path.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "linker.h"
+#include "linker_translate_path.h"
+#include "linker_utils.h"
+
+#if defined(__LP64__)
+static const char* const kSystemLibDir        = "/system/lib64";
+static const char* const kI18nApexLibDir      = "/apex/com.android.i18n/lib64";
+#else
+static const char* const kSystemLibDir        = "/system/lib";
+static const char* const kI18nApexLibDir      = "/apex/com.android.i18n/lib";
+#endif
+
+// Workaround for dlopen(/system/lib(64)/<soname>) when .so is in /apex. http://b/121248172
+/**
+ * Translate /system path to /apex path if needed
+ * The workaround should work only when targetSdkVersion < Q.
+ *
+ * param out_name_to_apex pointing to /apex path
+ * return true if translation is needed
+ */
+bool translateSystemPathToApexPath(const char* name, std::string* out_name_to_apex) {
+  static const char* const kSystemToArtApexLibs[] = {
+      "libicuuc.so",
+      "libicui18n.so",
+  };
+  // New mapping for new apex should be added below
+
+  // Nothing to do if target sdk version is Q or above
+  if (get_application_target_sdk_version() >= 29) {
+    return false;
+  }
+
+  // If the path isn't /system/lib, there's nothing to do.
+  if (name == nullptr || dirname(name) != kSystemLibDir) {
+    return false;
+  }
+
+  const char* base_name = basename(name);
+
+  for (const char* soname : kSystemToArtApexLibs) {
+    if (strcmp(base_name, soname) == 0) {
+      *out_name_to_apex = std::string(kI18nApexLibDir) + "/" + base_name;
+      return true;
+    }
+  }
+
+  return false;
+}
+// End Workaround for dlopen(/system/lib/<soname>) when .so is in /apex.
diff --git a/linker/linker_translate_path.h b/linker/linker_translate_path.h
new file mode 100644
index 0000000..86a3ec1
--- /dev/null
+++ b/linker/linker_translate_path.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <string>
+
+bool translateSystemPathToApexPath(const char* name, std::string* out_name_to_apex);