diff --git a/include/android b/include/android
new file mode 120000
index 0000000..4872393
--- /dev/null
+++ b/include/android
@@ -0,0 +1 @@
+../liblog/include/android
\ No newline at end of file
diff --git a/liblog/include/android/log.h b/liblog/include/android/log.h
new file mode 100644
index 0000000..9f198fe
--- /dev/null
+++ b/liblog/include/android/log.h
@@ -0,0 +1,156 @@
+/*
+ * 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.
+ */
+
+#ifndef _ANDROID_LOG_H
+#define _ANDROID_LOG_H
+
+/******************************************************************
+ *
+ * IMPORTANT NOTICE:
+ *
+ *   This file is part of Android's set of stable system headers
+ *   exposed by the Android NDK (Native Development Kit) since
+ *   platform release 1.5
+ *
+ *   Third-party source AND binary code relies on the definitions
+ *   here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
+ *
+ *   - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
+ *   - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
+ *   - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
+ *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
+ */
+
+/*
+ * Support routines to send messages to the Android in-kernel log buffer,
+ * which can later be accessed through the 'logcat' utility.
+ *
+ * Each log message must have
+ *   - a priority
+ *   - a log tag
+ *   - some text
+ *
+ * The tag normally corresponds to the component that emits the log message,
+ * and should be reasonably small.
+ *
+ * Log message text may be truncated to less than an implementation-specific
+ * limit (e.g. 1023 characters max).
+ *
+ * Note that a newline character ("\n") will be appended automatically to your
+ * log message, if not already there. It is not possible to send several messages
+ * and have them appear on a single line in logcat.
+ *
+ * PLEASE USE LOGS WITH MODERATION:
+ *
+ *  - Sending log messages eats CPU and slow down your application and the
+ *    system.
+ *
+ *  - The circular log buffer is pretty small (<64KB), sending many messages
+ *    might push off other important log messages from the rest of the system.
+ *
+ *  - In release builds, only send log messages to account for exceptional
+ *    conditions.
+ *
+ * NOTE: These functions MUST be implemented by /system/lib/liblog.so
+ */
+
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Android log priority values, in ascending priority order.
+ */
+typedef enum android_LogPriority {
+    ANDROID_LOG_UNKNOWN = 0,
+    ANDROID_LOG_DEFAULT,    /* only for SetMinPriority() */
+    ANDROID_LOG_VERBOSE,
+    ANDROID_LOG_DEBUG,
+    ANDROID_LOG_INFO,
+    ANDROID_LOG_WARN,
+    ANDROID_LOG_ERROR,
+    ANDROID_LOG_FATAL,
+    ANDROID_LOG_SILENT,     /* only for SetMinPriority(); must be last */
+} android_LogPriority;
+
+/*
+ * Send a simple string to the log.
+ */
+int __android_log_write(int prio, const char* tag, const char* text);
+
+/*
+ * Send a formatted string to the log, used like printf(fmt,...)
+ */
+int __android_log_print(int prio, const char* tag,  const char* fmt, ...)
+#if defined(__GNUC__)
+#ifdef __USE_MINGW_ANSI_STDIO
+#if __USE_MINGW_ANSI_STDIO
+    __attribute__ ((__format__(gnu_printf, 3, 4)))
+#else
+    __attribute__ ((__format__(printf, 3, 4)))
+#endif
+#else
+    __attribute__ ((__format__(printf, 3, 4)))
+#endif
+#endif
+    ;
+
+/*
+ * A variant of __android_log_print() that takes a va_list to list
+ * additional parameters.
+ */
+int __android_log_vprint(int prio, const char* tag,
+                         const char* fmt, va_list ap)
+#if defined(__GNUC__)
+#ifdef __USE_MINGW_ANSI_STDIO
+#if __USE_MINGW_ANSI_STDIO
+    __attribute__ ((__format__(gnu_printf, 3, 0)))
+#else
+    __attribute__ ((__format__(printf, 3, 0)))
+#endif
+#else
+    __attribute__ ((__format__(printf, 3, 0)))
+#endif
+#endif
+    ;
+
+/*
+ * Log an assertion failure and abort the process to have a chance
+ * to inspect it if a debugger is attached. This uses the FATAL priority.
+ */
+void __android_log_assert(const char* cond, const char* tag,
+                          const char* fmt, ...)
+#if defined(__GNUC__)
+    __attribute__ ((__noreturn__))
+#ifdef __USE_MINGW_ANSI_STDIO
+#if __USE_MINGW_ANSI_STDIO
+    __attribute__ ((__format__(gnu_printf, 3, 4)))
+#else
+    __attribute__ ((__format__(printf, 3, 4)))
+#endif
+#else
+    __attribute__ ((__format__(printf, 3, 4)))
+#endif
+#endif
+    ;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ANDROID_LOG_H */
diff --git a/liblog/include/log/log.h b/liblog/include/log/log.h
index ece9ea6..37d30bc 100644
--- a/liblog/include/log/log.h
+++ b/liblog/include/log/log.h
@@ -28,6 +28,7 @@
 #include <unistd.h>
 
 #include <android/log.h>
+#include <log/log_main.h>
 #include <log/uio.h> /* helper to define iovec for portability */
 
 #ifdef __cplusplus
@@ -44,6 +45,22 @@
 #define LOG_TAG NULL
 #endif
 
+/*
+ * Normally we strip the effects of ALOGV (VERBOSE messages),
+ * LOG_FATAL and LOG_FATAL_IF (FATAL assert messages) from the
+ * release builds be defining NDEBUG.  You can modify this (for
+ * example with "#define LOG_NDEBUG 0" at the top of your source
+ * file) to change that behavior.
+ */
+
+#ifndef LOG_NDEBUG
+#ifdef NDEBUG
+#define LOG_NDEBUG 1
+#else
+#define LOG_NDEBUG 0
+#endif
+#endif
+
 /* --------------------------------------------------------------------- */
 
 /*
diff --git a/include/android/log.h b/liblog/include/log/log_main.h
similarity index 70%
rename from include/android/log.h
rename to liblog/include/log/log_main.h
index 5673357..f45397a 100644
--- a/include/android/log.h
+++ b/liblog/include/log/log_main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 The Android Open Source Project
+ * Copyright (C) 2005-2017 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.
@@ -14,88 +14,16 @@
  * limitations under the License.
  */
 
-#ifndef _ANDROID_LOG_H
-#define _ANDROID_LOG_H
+#ifndef _LIBS_LOG_LOG_MAIN_H
+#define _LIBS_LOG_LOG_MAIN_H
 
-/******************************************************************
- *
- * IMPORTANT NOTICE:
- *
- *   This file is part of Android's set of stable system headers
- *   exposed by the Android NDK (Native Development Kit) since
- *   platform release 1.5
- *
- *   Third-party source AND binary code relies on the definitions
- *   here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
- *
- *   - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
- *   - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
- *   - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
- *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
- */
-
-/*
- * Support routines to send messages to the Android in-kernel log buffer,
- * which can later be accessed through the 'logcat' utility.
- *
- * Each log message must have
- *   - a priority
- *   - a log tag
- *   - some text
- *
- * The tag normally corresponds to the component that emits the log message,
- * and should be reasonably small.
- *
- * Log message text may be truncated to less than an implementation-specific
- * limit (e.g. 1023 characters max).
- *
- * Note that a newline character ("\n") will be appended automatically to your
- * log message, if not already there. It is not possible to send several messages
- * and have them appear on a single line in logcat.
- *
- * PLEASE USE LOGS WITH MODERATION:
- *
- *  - Sending log messages eats CPU and slow down your application and the
- *    system.
- *
- *  - The circular log buffer is pretty small (<64KB), sending many messages
- *    might push off other important log messages from the rest of the system.
- *
- *  - In release builds, only send log messages to account for exceptional
- *    conditions.
- *
- * NOTE: These functions MUST be implemented by /system/lib/liblog.so
- */
-
-#include <stdarg.h>
+#include <android/log.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /*
- * This file uses ", ## __VA_ARGS__" zero-argument token pasting to
- * work around issues with debug-only syntax errors in assertions
- * that are missing format strings.  See commit
- * 19299904343daf191267564fe32e6cd5c165cd42
- */
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
-#endif
-
-#ifndef __predict_false
-#define __predict_false(exp) __builtin_expect((exp) != 0, 0)
-#endif
-
-/*
- * LOG_TAG is the local tag used for the following simplified
- * logging macros.  You must set this preprocessor definition,
- * or more tenuously supply a variable definition, before using
- * the macros.
- */
-
-/*
  * Normally we strip the effects of ALOGV (VERBOSE messages),
  * LOG_FATAL and LOG_FATAL_IF (FATAL assert messages) from the
  * release builds be defining NDEBUG.  You can modify this (for
@@ -111,52 +39,32 @@
 #endif
 #endif
 
-/*
- * Android log priority values, in ascending priority order.
- */
-#ifndef __android_LogPriority_defined
-#define __android_LogPriority_defined
-typedef enum android_LogPriority {
-    ANDROID_LOG_UNKNOWN = 0,
-    ANDROID_LOG_DEFAULT,    /* only for SetMinPriority() */
-    ANDROID_LOG_VERBOSE,
-    ANDROID_LOG_DEBUG,
-    ANDROID_LOG_INFO,
-    ANDROID_LOG_WARN,
-    ANDROID_LOG_ERROR,
-    ANDROID_LOG_FATAL,
-    ANDROID_LOG_SILENT,     /* only for SetMinPriority(); must be last */
-} android_LogPriority;
-#endif
+/* --------------------------------------------------------------------- */
 
 /*
- * Send a simple string to the log.
+ * This file uses ", ## __VA_ARGS__" zero-argument token pasting to
+ * work around issues with debug-only syntax errors in assertions
+ * that are missing format strings.  See commit
+ * 19299904343daf191267564fe32e6cd5c165cd42
  */
-int __android_log_write(int prio, const char* tag, const char* text);
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
+#endif
+
+#ifndef __predict_false
+#define __predict_false(exp) __builtin_expect((exp) != 0, 0)
+#endif
 
 #define android_writeLog(prio, tag, text) \
     __android_log_write(prio, tag, text)
 
-/*
- * Send a formatted string to the log, used like printf(fmt,...)
- */
-int __android_log_print(int prio, const char* tag,  const char* fmt, ...)
-#if defined(__GNUC__)
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__ ((format(gnu_printf, 3, 4)))
-#else
-    __attribute__ ((format(printf, 3, 4)))
-#endif
-#else
-    __attribute__ ((format(printf, 3, 4)))
-#endif
-#endif
-    ;
-
 #define android_printLog(prio, tag, ...) \
     __android_log_print(prio, tag, __VA_ARGS__)
 
+#define android_vprintLog(prio, cond, tag, ...) \
+    __android_log_vprint(prio, tag, __VA_ARGS__)
+
 /*
  * Log macro that allows you to specify a number for the priority.
  */
@@ -166,28 +74,6 @@
 #endif
 
 /*
- * A variant of __android_log_print() that takes a va_list to list
- * additional parameters.
- */
-int __android_log_vprint(int prio, const char* tag,
-                         const char* fmt, va_list ap)
-#if defined(__GNUC__)
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__ ((format(gnu_printf, 3, 0)))
-#else
-    __attribute__ ((format(printf, 3, 0)))
-#endif
-#else
-    __attribute__ ((format(printf, 3, 0)))
-#endif
-#endif
-    ;
-
-#define android_vprintLog(prio, cond, tag, ...) \
-    __android_log_vprint(prio, tag, __VA_ARGS__)
-
-/*
  * Log macro that allows you to pass in a varargs ("args" is a va_list).
  */
 #ifndef LOG_PRI_VA
@@ -195,25 +81,7 @@
     android_vprintLog(priority, NULL, tag, fmt, args)
 #endif
 
-/*
- * Log an assertion failure and abort the process to have a chance
- * to inspect it if a debugger is attached. This uses the FATAL priority.
- */
-void __android_log_assert(const char* cond, const char* tag,
-                          const char* fmt, ...)
-#if defined(__GNUC__)
-    __attribute__ ((__noreturn__))
-#ifdef __USE_MINGW_ANSI_STDIO
-#if __USE_MINGW_ANSI_STDIO
-    __attribute__ ((format(gnu_printf, 3, 4)))
-#else
-    __attribute__ ((format(printf, 3, 4)))
-#endif
-#else
-    __attribute__ ((format(printf, 3, 4)))
-#endif
-#endif
-    ;
+/* --------------------------------------------------------------------- */
 
 /* XXX Macros to work around syntax errors in places where format string
  * arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF
@@ -524,4 +392,4 @@
 }
 #endif
 
-#endif /* _ANDROID_LOG_H */
+#endif /* _LIBS_LOG_LOG_MAIN_H */
diff --git a/liblog/include_vndk/android b/liblog/include_vndk/android
index 69fbc09..a3c0320 120000
--- a/liblog/include_vndk/android
+++ b/liblog/include_vndk/android
@@ -1 +1 @@
-../../include/android/
\ No newline at end of file
+../include/android
\ No newline at end of file
diff --git a/liblog/include_vndk/log/log.h b/liblog/include_vndk/log/log.h
index f3eb3fe..5d720f6 100644
--- a/liblog/include_vndk/log/log.h
+++ b/liblog/include_vndk/log/log.h
@@ -4,6 +4,7 @@
 #define _LIBS_LOG_LOG_H
 
 #include <android/log.h>
+#include <log/log_main.h>
 
 /*The following files will be included once they are available*/
 /*#include <log/log_id.h>*/
diff --git a/liblog/include_vndk/log/log_main.h b/liblog/include_vndk/log/log_main.h
new file mode 120000
index 0000000..f2ec018
--- /dev/null
+++ b/liblog/include_vndk/log/log_main.h
@@ -0,0 +1 @@
+../../include/log/log_main.h
\ No newline at end of file