[MIPS] Add missing REAL macros.

Change-Id: If396e16a759d90f94213deb536f3d1c9dcb6c132
diff --git a/ndk/sources/android/libportable/arch-mips/pthread.c b/ndk/sources/android/libportable/arch-mips/pthread.c
index 41d9478..5b75623 100644
--- a/ndk/sources/android/libportable/arch-mips/pthread.c
+++ b/ndk/sources/android/libportable/arch-mips/pthread.c
@@ -288,13 +288,14 @@
 int WRAP(pthread_sigmask)(int portable_how, const sigset_portable_t *portable_sigset,
                              sigset_portable_t *portable_oldset)
 {
+    extern int REAL(pthread_sigmask)(int how, const sigset_t *set, sigset_t *oset);
     int portable_ret, ret;
 
     ALOGV(" ");
     ALOGV("%s(portable_how:%d portable_sigset:%p, portable_oldset:%p)", __func__,
               portable_how,   portable_sigset,    portable_oldset);
 
-    ret = do_sigmask(portable_how, portable_sigset, portable_oldset, pthread_sigmask, NULL);
+    ret = do_sigmask(portable_how, portable_sigset, portable_oldset, REAL(pthread_sigmask), NULL);
 
     portable_ret = errno_ntop(ret);
 
diff --git a/ndk/sources/android/libportable/arch-mips/signal.c b/ndk/sources/android/libportable/arch-mips/signal.c
index c1befd6..a06eff7 100644
--- a/ndk/sources/android/libportable/arch-mips/signal.c
+++ b/ndk/sources/android/libportable/arch-mips/signal.c
@@ -745,6 +745,7 @@
  */
 sighandler_portable_t WRAP(signal)(int portable_signum, sighandler_portable_t handler)
 {
+    extern __sighandler_t REAL(bsd_signal)(int, __sighandler_t);
     sighandler_portable_t rv;
 
     ALOGV(" ");
@@ -752,7 +753,7 @@
               portable_signum,    handler);
 
     /* bsd does a SA_RESTART */
-    rv = do_signal_portable(portable_signum, handler, bsd_signal);
+    rv = do_signal_portable(portable_signum, handler, REAL(bsd_signal));
 
     ALOGV("%s: return(ret:%p); }", __func__, rv);
     return rv;
@@ -761,6 +762,7 @@
 
 sighandler_portable_t WRAP(sysv_signal)(int portable_signum, sighandler_portable_t handler)
 {
+    extern __sighandler_t REAL(sysv_signal)(int, __sighandler_t);
     sighandler_portable_t rv;
 
     ALOGV(" ");
@@ -768,7 +770,7 @@
               portable_signum,    handler);
 
     /* sysv does a SA_RESETHAND */
-    rv = do_signal_portable(portable_signum, handler, sysv_signal);
+    rv = do_signal_portable(portable_signum, handler, REAL(sysv_signal));
 
     ALOGV("%s: return(ret:%p); }", __func__, rv);
     return rv;
@@ -785,6 +787,7 @@
 
 sighandler_portable_t WRAP(bsd_signal)(int portable_signum, sighandler_portable_t handler)
 {
+    extern __sighandler_t REAL(bsd_signal)(int, __sighandler_t);
     sighandler_portable_t rv;
 
     ALOGV(" ");
@@ -792,7 +795,7 @@
               portable_signum,    handler);
 
     /* bsd does a SA_RESTART */
-    rv = do_signal_portable(portable_signum, handler, bsd_signal);
+    rv = do_signal_portable(portable_signum, handler, REAL(bsd_signal));
 
     ALOGV("%s: return(ret:%p); }", __func__, rv);
     return rv;