[MIPS] Add remaining parts for building tests for MIPS

tests/toolchain/stack_frame.cc

Index: tests/toolchain/stack_frame.cc
diff --git a/tests/toolchain/stack_frame.cc b/tests/toolchain/stack_frame.cc
index 77ab155f237b2f63e43e48cd58f8d4fc10ef7be2..f3f0994a230e4860a00352286faefd33240e098c 100644
--- a/tests/toolchain/stack_frame.cc
+++ b/tests/toolchain/stack_frame.cc
@@ -41,6 +41,8 @@ void* GetReturnAddress(void* frame_end) {
 
 #if defined(__arm__)
   return ((void**)frame_end)[-1];
+#elif defined(__mips__)
+  return ((void**)frame_end)[-1];
 #elif defined(__i386__)
   return ((void**)frame_end)[-1];
 #elif defined(__x86_64__)
@@ -91,7 +93,7 @@ void recurse(int n, unsigned char* old_cfa) {
 
   // TODO(sehr): change those to 16
   ASSERT(frame_size % 8 == 0, "ERRRO: bad frame size");
-  ASSERT((long) cfa % 8 == 0, "ERRRO: bad frame pointer");
+  ASSERT((int) cfa % 8 == 0, "ERRRO: bad frame pointer");
 
   if (n == NUM_ITERS) {
     // main()'s stackframe may be non-standard due to the startup code