[mips] Initial framework support for MIPS32

tools/cxx_wrapper.py

Index: tools/cxx_wrapper.py
diff --git a/tools/cxx_wrapper.py b/tools/cxx_wrapper.py
index bd7218348873569ca3bc6611c461cb0e1f90557e..44312e5bfd94b3f813eb2f445f9bfb31b165c88f 100755
--- a/tools/cxx_wrapper.py
+++ b/tools/cxx_wrapper.py
@@ -84,6 +84,10 @@ def invoke_gcc_local(args):
     args.insert(0, "arm-none-eabi-g++")
     os.execvp("arm-none-eabi-g++", args)
 
+def invoke_gcc_mips(args):
+  args.insert(0, "mips-mti-linux-gnu-g++")
+  os.execvp("mips-mti-linux-gnu-g++", args)
+
 def main():
   args = sys.argv[1:]
   if "-L/DARTINO_ASAN" in args:
@@ -121,6 +125,11 @@ def main():
   elif "-L/GCC_XARM_LOCAL" in args:
     args.remove("-L/GCC_XARM_LOCAL")
     invoke_gcc_local(args)
+  elif "-DDARTINO_MIPS" in args:
+    invoke_gcc_mips(args)
+  elif "-L/DARTINO_MIPS" in args:
+    args.remove("-L/DARTINO_MIPS")
+    invoke_gcc_mips(args)
   else:
     invoke_gcc(args)