Working ASLR implementation

Separate files for retouch functionality are in minelf/*

ASLR for shared libraries is controlled by "-a" in ota_from_target_files.
Binary files are self-contained. Retouch logic can recover from crashes.

Signed-off-by: Hristo Bojinov <hristo@google.com>
Change-Id: I76c596abf4febd68c14f9d807ac62e8751e0b1bd
diff --git a/minelf/Android.mk b/minelf/Android.mk
new file mode 100644
index 0000000..0f41ff5
--- /dev/null
+++ b/minelf/Android.mk
@@ -0,0 +1,27 @@
+# Copyright (C) 2009 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.
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	Retouch.c
+
+LOCAL_C_INCLUDES += bootable/recovery
+
+LOCAL_MODULE := libminelf
+
+LOCAL_CFLAGS += -Wall
+
+include $(BUILD_STATIC_LIBRARY)