[MIPS] Adding validator for MIPS architecture.

pnacl/build.sh

Index: pnacl/build.sh
===================================================================
--- pnacl/build.sh	(revision 8148)
+++ pnacl/build.sh	(working copy)
@@ -46,10 +46,12 @@
 readonly PNACL_MERGE_TESTING=${PNACL_MERGE_TESTING:-false}
 PNACL_PRUNE=${PNACL_PRUNE:-false}
 PNACL_BUILD_ARM=true
+# PNACL_BUILD_MIPS=true
 
 if ${BUILD_PLATFORM_MAC} || ${BUILD_PLATFORM_WIN}; then
   # We don't yet support building ARM tools for mac or windows.
   PNACL_BUILD_ARM=false
+  PNACL_BUILD_MIPS=false
 fi
 
 readonly SB_JIT=${SB_JIT:-false}
@@ -2084,6 +2086,21 @@
   else
     StepBanner "MISC-ARM" "Skipping ARM validator (Not yet supported on Mac)"
   fi
+
+  if ${BUILD_PLATFORM_LINUX} ; then
+    StepBanner "MISC-MIPS" "Building validator (MIPS)"
+    spushd "${NACL_ROOT}"
+    RunWithLog mips_ncval_core \
+      ./scons MODE=opt-host \
+      targetplatform=mips \
+      sysinfo=0 \
+     mips-ncval-core
+    cp scons-out/opt-linux-x86-32-to-mips/obj/src/trusted/validator_mips/\
+mips-ncval-core ${INSTALL_ROOT}/tools-x86/mips-ncval-core
+    spopd
+  else
+    StepBanner "MISC-MIPS" "Skipping MIPS validator (Not yet supported on Mac)"
+  fi
 }
 
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