diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index b97fc7d..c392c57 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-24  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* include/system/linux/asm/ptrace.h: New header.
+
 2015-11-23  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
 
 	* All source files: Merge from upstream r253555.
diff --git a/libsanitizer/include/system/linux/asm/ptrace.h b/libsanitizer/include/system/linux/asm/ptrace.h
new file mode 100644
index 0000000..d4249fe
--- /dev/null
+++ b/libsanitizer/include/system/linux/asm/ptrace.h
@@ -0,0 +1,7 @@
+#include_next <linux/asm/ptrace.h>
+/* ARM_VFPREGS_SIZE has been added in 3.0 */
+#if defined(__arm__) && !defined(ARM_VFPREGS_SIZE)
+/* The size of the user-visible VFP state as seen by PTRACE_GET/SETVFPREGS
+   and core dumps.  */
+#define ARM_VFPREGS_SIZE ( 32 * 8 /*fpregs*/ + 4 /*fpscr*/ )
+#endif