diff --git a/lib/asan/Android.mk b/lib/asan/Android.mk
index f4aefcd..a024e66 100644
--- a/lib/asan/Android.mk
+++ b/lib/asan/Android.mk
@@ -131,11 +131,15 @@
     external/compiler-rt/lib \
     external/compiler-rt/include
 LOCAL_CFLAGS += $(asan_rtl_cflags)
+# work around clang -O2 bug that affects mips64 asan_flags only:
+# https://dmz-portal.mips.com/bugz/show_bug.cgi?id=2275
+# Fixed with http://reviews.llvm.org/rL266203
+LOCAL_CFLAGS_mips64 += -O1
 LOCAL_SRC_FILES := asan_preinit.cc
 LOCAL_CPP_EXTENSION := .cc
 LOCAL_CLANG := true
 LOCAL_SANITIZE := never
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_NDK_STL_VARIANT := none
 LOCAL_SDK_VERSION := 19
 include $(BUILD_STATIC_LIBRARY)
@@ -157,6 +161,10 @@
   external/compiler-rt/lib \
   external/compiler-rt/include
 LOCAL_CFLAGS += $(asan_rtl_cflags)
+# work around clang -O2 bug that affects mips64 asan_flags only:
+# https://dmz-portal.mips.com/bugz/show_bug.cgi?id=2275
+# Fixed with http://reviews.llvm.org/rL266203
+LOCAL_CFLAGS_mips64 += -O1
 LOCAL_SRC_FILES := $(asan_rtl_files) $(asan_rtl_cxx_files)
 LOCAL_CPP_EXTENSION := .cc
 LOCAL_LDLIBS := -llog -ldl
@@ -168,7 +176,7 @@
 endif
 LOCAL_CLANG := true
 LOCAL_SANITIZE := never
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_NDK_STL_VARIANT := none
 LOCAL_SDK_VERSION := 19
 include $(BUILD_SHARED_LIBRARY)
@@ -191,7 +199,7 @@
 LOCAL_CPP_EXTENSION := .cc
 LOCAL_CPPFLAGS := -std=c++11
 LOCAL_SANITIZE := never
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_CXX_STL := libc++
 
 include $(BUILD_EXECUTABLE)
@@ -220,7 +228,7 @@
 LOCAL_CPP_EXTENSION := .cc
 LOCAL_CLANG := true
 LOCAL_SANITIZE := never
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_CXX_STL := libc++
 
 include $(BUILD_STATIC_TEST_LIBRARY)
@@ -241,7 +249,7 @@
 LOCAL_SHARED_LIBRARIES := libc
 LOCAL_SANITIZE := address
 LOCAL_CLANG := true
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_CXX_STL := libc++
 
 include $(BUILD_NATIVE_TEST)
diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc
index cba38c8..8c3ebff 100644
--- a/lib/sanitizer_common/sanitizer_linux.cc
+++ b/lib/sanitizer_common/sanitizer_linux.cc
@@ -586,7 +586,9 @@
     // rt_sigaction, so we need to do the same (we'll need to reimplement the
     // restorers; for x86_64 the restorer address can be obtained from
     // oldact->sa_restorer upon a call to sigaction(xxx, NULL, oldact).
+#if !SANITIZER_ANDROID || !SANITIZER_MIPS32
     k_act.sa_restorer = u_act->sa_restorer;
+#endif
   }
 
   uptr result = internal_syscall(SYSCALL(rt_sigaction), (uptr)signum,
@@ -600,7 +602,9 @@
     internal_memcpy(&u_oldact->sa_mask, &k_oldact.sa_mask,
                     sizeof(__sanitizer_kernel_sigset_t));
     u_oldact->sa_flags = k_oldact.sa_flags;
+#if !SANITIZER_ANDROID || !SANITIZER_MIPS32
     u_oldact->sa_restorer = k_oldact.sa_restorer;
+#endif
   }
   return result;
 }
diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
index 0bb66c9..0fb67f3 100644
--- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
@@ -158,7 +158,6 @@
 
 #if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
 static uptr g_tls_size;
-#endif
 
 #ifdef __i386__
 # define DL_INTERNAL_FUNCTION __attribute__((regparm(3), stdcall))
@@ -166,26 +165,7 @@
 # define DL_INTERNAL_FUNCTION
 #endif
 
-#if defined(__mips__) || defined(__powerpc64__)
-// TlsPreTcbSize includes size of struct pthread_descr and size of tcb
-// head structure. It lies before the static tls blocks.
-static uptr TlsPreTcbSize() {
-# if defined(__mips__)
-  const uptr kTcbHead = 16; // sizeof (tcbhead_t)
-# elif defined(__powerpc64__)
-  const uptr kTcbHead = 88; // sizeof (tcbhead_t)
-# endif
-  const uptr kTlsAlign = 16;
-  const uptr kTlsPreTcbSize =
-    (ThreadDescriptorSize() + kTcbHead + kTlsAlign - 1) & ~(kTlsAlign - 1);
-  InitTlsSize();
-  g_tls_size = (g_tls_size + kTlsPreTcbSize + kTlsAlign -1) & ~(kTlsAlign - 1);
-  return kTlsPreTcbSize;
-}
-#endif
-
 void InitTlsSize() {
-#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
 // all current supported platforms have 16 bytes stack alignment
   const size_t kStackAlign = 16;
   typedef void (*get_tls_func)(size_t*, size_t*) DL_INTERNAL_FUNCTION;
@@ -201,8 +181,10 @@
   if (tls_align < kStackAlign)
     tls_align = kStackAlign;
   g_tls_size = RoundUpTo(tls_size, tls_align);
-#endif  // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
 }
+#else
+void InitTlsSize() { }
+#endif  // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
 
 #if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) \
     || defined(__aarch64__) || defined(__powerpc64__)) \
@@ -273,6 +255,24 @@
   return kThreadSelfOffset;
 }
 
+#if defined(__mips__) || defined(__powerpc64__)
+// TlsPreTcbSize includes size of struct pthread_descr and size of tcb
+// head structure. It lies before the static tls blocks.
+static uptr TlsPreTcbSize() {
+# if defined(__mips__)
+  const uptr kTcbHead = 16; // sizeof (tcbhead_t)
+# elif defined(__powerpc64__)
+  const uptr kTcbHead = 88; // sizeof (tcbhead_t)
+# endif
+  const uptr kTlsAlign = 16;
+  const uptr kTlsPreTcbSize =
+    (ThreadDescriptorSize() + kTcbHead + kTlsAlign - 1) & ~(kTlsAlign - 1);
+  InitTlsSize();
+  g_tls_size = (g_tls_size + kTlsPreTcbSize + kTlsAlign -1) & ~(kTlsAlign - 1);
+  return kTlsPreTcbSize;
+}
+#endif
+
 uptr ThreadSelf() {
   uptr descr_addr;
 # if defined(__i386__)
diff --git a/lib/sanitizer_common/sanitizer_platform.h b/lib/sanitizer_common/sanitizer_platform.h
index 841cceb..c31e631 100644
--- a/lib/sanitizer_common/sanitizer_platform.h
+++ b/lib/sanitizer_common/sanitizer_platform.h
@@ -81,6 +81,21 @@
 # define SANITIZER_X32 0
 #endif
 
+#if defined(__mips__)
+# define SANITIZER_MIPS 1
+# if defined(__mips64)
+#  define SANITIZER_MIPS32 0
+#  define SANITIZER_MIPS64 1
+# else
+#  define SANITIZER_MIPS32 1
+#  define SANITIZER_MIPS64 0
+# endif
+#else
+# define SANITIZER_MIPS 0
+# define SANITIZER_MIPS32 0
+# define SANITIZER_MIPS64 0
+#endif
+
 // By default we allow to use SizeClassAllocator64 on 64-bit platform.
 // But in some cases (e.g. AArch64's 39-bit address space) SizeClassAllocator64
 // does not work well and we need to fallback to SizeClassAllocator32.
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index b642cba..0e07737 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -1056,7 +1056,7 @@
 // preprocessor macros.
 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags);
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && (!SANITIZER_ANDROID || !SANITIZER_MIPS32)
 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_restorer);
 #endif
 
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index 2978e7b..af33a45 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -77,11 +77,9 @@
   const unsigned struct_kernel_stat_sz = 144;
   const unsigned struct_kernel_stat64_sz = 104;
 #elif defined(__mips__)
-  #if SANITIZER_WORDSIZE == 64
-  const unsigned struct_kernel_stat_sz = 216;
-  #else
-  const unsigned struct_kernel_stat_sz = 144;
-  #endif
+  const unsigned struct_kernel_stat_sz =
+                 SANITIZER_ANDROID ? FIRST_32_SECOND_64(104, 128) :
+                                     FIRST_32_SECOND_64(144, 216);
   const unsigned struct_kernel_stat64_sz = 104;
 #endif
   struct __sanitizer_perf_event_attr {
@@ -516,7 +514,11 @@
   };
 
 #if SANITIZER_ANDROID
+# if SANITIZER_MIPS
+  typedef unsigned long __sanitizer_sigset_t[16/sizeof(unsigned long)];
+# else
   typedef unsigned long __sanitizer_sigset_t;
+# endif
 #elif SANITIZER_MAC
   typedef unsigned __sanitizer_sigset_t;
 #elif SANITIZER_LINUX
@@ -542,6 +544,15 @@
     __sanitizer_sigset_t sa_mask;
     void (*sa_restorer)();
   };
+#elif SANITIZER_ANDROID && SANITIZER_MIPS32  // check this before WORDSIZE == 32
+  struct __sanitizer_sigaction {
+    unsigned sa_flags;
+    union {
+      void (*sigaction)(int sig, void *siginfo, void *uctx);
+      void (*handler)(int sig);
+    };
+    __sanitizer_sigset_t sa_mask;
+  };
 #elif SANITIZER_ANDROID && (SANITIZER_WORDSIZE == 32)
   struct __sanitizer_sigaction {
     union {
diff --git a/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
index 2376ee5..d1e2f6a 100644
--- a/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
+++ b/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
@@ -38,6 +38,9 @@
 #  include <asm/ptrace.h>
 # endif
 # include <sys/user.h>  // for user_regs_struct
+# if SANITIZER_ANDROID && SANITIZER_MIPS
+#   include <asm/reg.h>  // for mips SP register in sys/user.h
+# endif
 #endif
 #include <sys/wait.h> // for signal-related stuff
 
@@ -467,7 +470,11 @@
 
 #elif defined(__mips__)
 typedef struct user regs_struct;
-#define REG_SP regs[EF_REG29]
+# if SANITIZER_ANDROID
+#  define REG_SP regs[EF_R29]
+# else
+#  define REG_SP regs[EF_REG29]
+# endif
 
 #elif defined(__aarch64__)
 typedef struct user_pt_regs regs_struct;
diff --git a/lib/ubsan/Android.mk b/lib/ubsan/Android.mk
index 757e5b0..04ff1b0 100644
--- a/lib/ubsan/Android.mk
+++ b/lib/ubsan/Android.mk
@@ -54,7 +54,7 @@
 LOCAL_NDK_STL_VARIANT := none
 LOCAL_SDK_VERSION := 19
 LOCAL_SANITIZE := never
-LOCAL_MODULE_TARGET_ARCH := arm arm64 x86
+LOCAL_MODULE_TARGET_ARCH := arm arm64 x86 mips mips64
 LOCAL_MULTILIB := both
 include $(BUILD_STATIC_LIBRARY)