Revert "Revert "Fix relocation to look for symbols in local group""

This reverts commit 00dce525530c5d26c20750863f3e9890b468787a.
diff --git a/tests/libs/Android.build.dlopen_check_order_dlsym.mk b/tests/libs/Android.build.dlopen_check_order_dlsym.mk
new file mode 100644
index 0000000..73d8c1a
--- /dev/null
+++ b/tests/libs/Android.build.dlopen_check_order_dlsym.mk
@@ -0,0 +1,90 @@
+#
+# Copyright (C) 2012 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# -----------------------------------------------------------------------------
+# Libraries used by dlfcn tests to verify correct load order:
+# libtest_check_order_2_right.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_2_right_src_files := \
+    dlopen_check_order_dlsym_answer.cpp
+
+libtest_check_order_dlsym_2_right_cflags := -D__ANSWER=42
+module := libtest_check_order_dlsym_2_right
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_a.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_a_src_files := \
+    dlopen_check_order_dlsym_answer.cpp
+
+libtest_check_order_dlsym_a_cflags := -D__ANSWER=1
+module := libtest_check_order_dlsym_a
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_b.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_b_src_files := \
+    dlopen_check_order_dlsym_answer.cpp
+
+libtest_check_order_dlsym_b_cflags := -D__ANSWER=2 -D__ANSWER2=43
+module := libtest_check_order_dlsym_b
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_c.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_3_c_src_files := \
+    dlopen_check_order_dlsym_answer.cpp
+
+libtest_check_order_dlsym_3_c_cflags := -D__ANSWER=3
+module := libtest_check_order_dlsym_3_c
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_d.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_d_src_files := \
+   dlopen_check_order_dlsym_answer.cpp
+
+libtest_check_order_dlsym_d_shared_libraries := libtest_check_order_dlsym_b
+libtest_check_order_dlsym_d_cflags := -D__ANSWER=4 -D__ANSWER2=4
+module := libtest_check_order_dlsym_d
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_left.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_1_left_src_files := \
+    empty.cpp
+
+libtest_check_order_dlsym_1_left_shared_libraries := libtest_check_order_dlsym_a libtest_check_order_dlsym_b
+
+module := libtest_check_order_dlsym_1_left
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order.so
+# -----------------------------------------------------------------------------
+libtest_check_order_dlsym_src_files := \
+    empty.cpp
+
+libtest_check_order_dlsym_shared_libraries := libtest_check_order_dlsym_1_left \
+  libtest_check_order_dlsym_2_right libtest_check_order_dlsym_3_c
+
+module := libtest_check_order_dlsym
+include $(LOCAL_PATH)/Android.build.testlib.mk
diff --git a/tests/libs/Android.build.dlopen_check_order_reloc_main_executable.mk b/tests/libs/Android.build.dlopen_check_order_reloc_main_executable.mk
new file mode 100644
index 0000000..639696b
--- /dev/null
+++ b/tests/libs/Android.build.dlopen_check_order_reloc_main_executable.mk
@@ -0,0 +1,56 @@
+#
+# Copyright (C) 2012 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# -----------------------------------------------------------------------------
+# Libraries used by dlfcn tests to verify correct relocation order:
+# libtest_check_order_reloc_root*.so
+# -----------------------------------------------------------------------------
+
+
+# -----------------------------------------------------------------------------
+# ..._1.so - empty
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_root_1_src_files := \
+    empty.cpp
+
+
+module := libtest_check_order_reloc_root_1
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+
+# -----------------------------------------------------------------------------
+# ..._2.so - this one has the incorrect answer
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_root_2_src_files := \
+    dlopen_check_order_reloc_root_answer_impl.cpp
+
+libtest_check_order_reloc_root_2_cflags := -D__ANSWER=2
+
+module := libtest_check_order_reloc_root_2
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_reloc_root.so <- implements get_answer3()
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_root_src_files := \
+    dlopen_check_order_reloc_root_answer.cpp
+
+libtest_check_order_reloc_root_shared_libraries := \
+    libtest_check_order_reloc_root_1 \
+    libtest_check_order_reloc_root_2
+
+module := libtest_check_order_reloc_root
+include $(LOCAL_PATH)/Android.build.testlib.mk
diff --git a/tests/libs/Android.build.dlopen_check_order_reloc_siblings.mk b/tests/libs/Android.build.dlopen_check_order_reloc_siblings.mk
new file mode 100644
index 0000000..0f1a2b4
--- /dev/null
+++ b/tests/libs/Android.build.dlopen_check_order_reloc_siblings.mk
@@ -0,0 +1,133 @@
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# -----------------------------------------------------------------------------
+# Libraries used by dlfcn tests to verify correct relocation order:
+# libtest_check_order_reloc_siblings*.so
+# -----------------------------------------------------------------------------
+
+# -----------------------------------------------------------------------------
+# ..._1.so - empty
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_1_src_files := \
+    empty.cpp
+
+libtest_check_order_reloc_siblings_1_shared_libraries := \
+    libtest_check_order_reloc_siblings_a \
+    libtest_check_order_reloc_siblings_b
+
+module := libtest_check_order_reloc_siblings_1
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+
+# -----------------------------------------------------------------------------
+# ..._2.so - empty
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_2_src_files := \
+    empty.cpp
+
+libtest_check_order_reloc_siblings_2_shared_libraries := \
+    libtest_check_order_reloc_siblings_c \
+    libtest_check_order_reloc_siblings_d
+
+module := libtest_check_order_reloc_siblings_2
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._3.so - get_answer2();
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_3_src_files := \
+    dlopen_check_order_reloc_nephew_answer.cpp
+
+libtest_check_order_reloc_siblings_3_shared_libraries := \
+    libtest_check_order_reloc_siblings_e \
+    libtest_check_order_reloc_siblings_f
+
+module := libtest_check_order_reloc_siblings_3
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._a.so <- correct impl
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_a_src_files := \
+    dlopen_check_order_reloc_answer_impl.cpp
+
+libtest_check_order_reloc_siblings_a_cflags := -D__ANSWER=42
+module := libtest_check_order_reloc_siblings_a
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._b.so
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_b_src_files := \
+    dlopen_check_order_reloc_answer_impl.cpp
+
+libtest_check_order_reloc_siblings_b_cflags := -D__ANSWER=1
+module := libtest_check_order_reloc_siblings_b
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._c.so
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_c_src_files := \
+    dlopen_check_order_reloc_answer_impl.cpp
+
+libtest_check_order_reloc_siblings_c_cflags := -D__ANSWER=2
+module := libtest_check_order_reloc_siblings_c
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._d.so
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_d_src_files := \
+    dlopen_check_order_reloc_answer_impl.cpp
+
+libtest_check_order_reloc_siblings_d_cflags := -D__ANSWER=3
+module := libtest_check_order_reloc_siblings_d
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._e.so
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_e_src_files := \
+    dlopen_check_order_reloc_answer_impl.cpp
+
+libtest_check_order_reloc_siblings_e_cflags := -D__ANSWER=4
+module := libtest_check_order_reloc_siblings_e
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# ..._f.so <- get_answer()
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_f_src_files := \
+    dlopen_check_order_reloc_answer.cpp
+
+module := libtest_check_order_reloc_siblings_f
+include $(LOCAL_PATH)/Android.build.testlib.mk
+
+# -----------------------------------------------------------------------------
+# libtest_check_order_reloc_siblings.so
+# -----------------------------------------------------------------------------
+libtest_check_order_reloc_siblings_src_files := \
+    empty.cpp
+
+libtest_check_order_reloc_siblings_shared_libraries := \
+    libtest_check_order_reloc_siblings_1 \
+    libtest_check_order_reloc_siblings_2 \
+    libtest_check_order_reloc_siblings_3
+
+module := libtest_check_order_reloc_siblings
+include $(LOCAL_PATH)/Android.build.testlib.mk
diff --git a/tests/libs/Android.mk b/tests/libs/Android.mk
index 67f6a37..e4fee6a 100644
--- a/tests/libs/Android.mk
+++ b/tests/libs/Android.mk
@@ -21,6 +21,9 @@
 common_additional_dependencies := \
     $(LOCAL_PATH)/Android.mk \
     $(LOCAL_PATH)/Android.build.dlext_testzip.mk \
+    $(LOCAL_PATH)/Android.build.dlopen_check_order_dlsym.mk \
+    $(LOCAL_PATH)/Android.build.dlopen_check_order_reloc_siblings.mk \
+    $(LOCAL_PATH)/Android.build.dlopen_check_order_reloc_main_executable.mk \
     $(LOCAL_PATH)/Android.build.testlib.mk \
     $(TEST_PATH)/Android.build.mk
 
@@ -150,79 +153,19 @@
 include $(LOCAL_PATH)/Android.build.testlib.mk
 
 # -----------------------------------------------------------------------------
-# Libraries used by dlfcn tests to verify correct load order:
-# libtest_check_order_2_right.so
+# Build libtest_check_order_dlsym.so with its dependencies.
 # -----------------------------------------------------------------------------
-libtest_check_order_2_right_src_files := \
-    dlopen_testlib_answer.cpp
-
-libtest_check_order_2_right_cflags := -D__ANSWER=42
-module := libtest_check_order_2_right
-include $(LOCAL_PATH)/Android.build.testlib.mk
+include $(LOCAL_PATH)/Android.build.dlopen_check_order_dlsym.mk
 
 # -----------------------------------------------------------------------------
-# libtest_check_order_a.so
+# Build libtest_check_order_siblings.so with its dependencies.
 # -----------------------------------------------------------------------------
-libtest_check_order_a_src_files := \
-    dlopen_testlib_answer.cpp
-
-libtest_check_order_a_cflags := -D__ANSWER=1
-module := libtest_check_order_a
-include $(LOCAL_PATH)/Android.build.testlib.mk
+include $(LOCAL_PATH)/Android.build.dlopen_check_order_reloc_siblings.mk
 
 # -----------------------------------------------------------------------------
-# libtest_check_order_b.so
+# Build libtest_check_order_root.so with its dependencies.
 # -----------------------------------------------------------------------------
-libtest_check_order_b_src_files := \
-    dlopen_testlib_answer.cpp
-
-libtest_check_order_b_cflags := -D__ANSWER=2 -D__ANSWER2=43
-module := libtest_check_order_b
-include $(LOCAL_PATH)/Android.build.testlib.mk
-
-# -----------------------------------------------------------------------------
-# libtest_check_order_c.so
-# -----------------------------------------------------------------------------
-libtest_check_order_3_c_src_files := \
-    dlopen_testlib_answer.cpp
-
-libtest_check_order_3_c_cflags := -D__ANSWER=3
-module := libtest_check_order_3_c
-include $(LOCAL_PATH)/Android.build.testlib.mk
-
-# -----------------------------------------------------------------------------
-# libtest_check_order_d.so
-# -----------------------------------------------------------------------------
-libtest_check_order_d_src_files := \
-   dlopen_testlib_answer.cpp
-
-libtest_check_order_d_shared_libraries := libtest_check_order_b
-libtest_check_order_d_cflags := -D__ANSWER=4 -D__ANSWER2=4
-module := libtest_check_order_d
-include $(LOCAL_PATH)/Android.build.testlib.mk
-
-# -----------------------------------------------------------------------------
-# libtest_check_order_left.so
-# -----------------------------------------------------------------------------
-libtest_check_order_1_left_src_files := \
-    empty.cpp
-
-libtest_check_order_1_left_shared_libraries := libtest_check_order_a libtest_check_order_b
-
-module := libtest_check_order_1_left
-include $(LOCAL_PATH)/Android.build.testlib.mk
-
-# -----------------------------------------------------------------------------
-# libtest_check_order.so
-# -----------------------------------------------------------------------------
-libtest_check_order_src_files := \
-    empty.cpp
-
-libtest_check_order_shared_libraries := libtest_check_order_1_left \
-  libtest_check_order_2_right libtest_check_order_3_c
-
-module := libtest_check_order
-include $(LOCAL_PATH)/Android.build.testlib.mk
+include $(LOCAL_PATH)/Android.build.dlopen_check_order_reloc_main_executable.mk
 
 # -----------------------------------------------------------------------------
 # Library with dependency loop used by dlfcn tests
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_dlsym_answer.cpp
similarity index 87%
rename from tests/libs/dlopen_testlib_answer.cpp
rename to tests/libs/dlopen_check_order_dlsym_answer.cpp
index a4d7504..2ae6cf7 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_dlsym_answer.cpp
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
+extern "C" int check_order_dlsym_get_answer() {
   return __ANSWER;
 }
 
 #ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
+extern "C" int check_order_dlsym_get_answer2() {
   return __ANSWER2;
 }
 #endif
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_reloc_answer.cpp
similarity index 77%
copy from tests/libs/dlopen_testlib_answer.cpp
copy to tests/libs/dlopen_check_order_reloc_answer.cpp
index a4d7504..036670b 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_reloc_answer.cpp
@@ -14,12 +14,10 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
-  return __ANSWER;
+extern "C" int __attribute__((weak)) check_order_reloc_get_answer_impl() {
+  return 0;
 }
 
-#ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
-  return __ANSWER2;
+extern "C" int check_order_reloc_get_answer() {
+  return check_order_reloc_get_answer_impl();
 }
-#endif
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_reloc_answer_impl.cpp
similarity index 82%
copy from tests/libs/dlopen_testlib_answer.cpp
copy to tests/libs/dlopen_check_order_reloc_answer_impl.cpp
index a4d7504..324b905 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_reloc_answer_impl.cpp
@@ -14,12 +14,6 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
+extern "C" int check_order_reloc_get_answer_impl() {
   return __ANSWER;
 }
-
-#ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
-  return __ANSWER2;
-}
-#endif
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_reloc_nephew_answer.cpp
similarity index 80%
copy from tests/libs/dlopen_testlib_answer.cpp
copy to tests/libs/dlopen_check_order_reloc_nephew_answer.cpp
index a4d7504..065d1be 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_reloc_nephew_answer.cpp
@@ -14,12 +14,8 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
-  return __ANSWER;
-}
+extern "C" int check_order_reloc_get_answer_impl();
 
-#ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
-  return __ANSWER2;
+extern "C" int check_order_reloc_nephew_get_answer() {
+  return check_order_reloc_get_answer_impl();
 }
-#endif
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_reloc_root_answer.cpp
similarity index 79%
copy from tests/libs/dlopen_testlib_answer.cpp
copy to tests/libs/dlopen_check_order_reloc_root_answer.cpp
index a4d7504..b21abd7 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_reloc_root_answer.cpp
@@ -14,12 +14,8 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
-  return __ANSWER;
-}
+extern "C" int check_order_reloc_root_get_answer_impl();
 
-#ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
-  return __ANSWER2;
+extern "C" int check_order_reloc_root_get_answer() {
+  return check_order_reloc_root_get_answer_impl();
 }
-#endif
diff --git a/tests/libs/dlopen_testlib_answer.cpp b/tests/libs/dlopen_check_order_reloc_root_answer_impl.cpp
similarity index 82%
copy from tests/libs/dlopen_testlib_answer.cpp
copy to tests/libs/dlopen_check_order_reloc_root_answer_impl.cpp
index a4d7504..25fb9ac 100644
--- a/tests/libs/dlopen_testlib_answer.cpp
+++ b/tests/libs/dlopen_check_order_reloc_root_answer_impl.cpp
@@ -14,12 +14,6 @@
  * limitations under the License.
  */
 
-extern "C" int dlopen_test_get_answer() {
+extern "C" int check_order_reloc_root_get_answer_impl() {
   return __ANSWER;
 }
-
-#ifdef __ANSWER2
-extern "C" int dlopen_test_get_answer2() {
-  return __ANSWER2;
-}
-#endif