[MIPS] Adding validator for MIPS architecture.

pnacl/build.sh

 #!/bin/bash
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 #@                 Untrusted Toolchain Manager
 #@-------------------------------------------------------------------
 #@ This script builds the ARM and PNaCl untrusted toolchains.
 #@ It MUST be run from the native_client/ directory.
 ######################################################################
@@ skipping 28 matching lines @@
 SetScriptPath "${PNACL_ROOT}/build.sh"
 SetLogDirectory "${PNACL_ROOT}/build/log"
 
 # For different levels of make parallelism change this in your env
 readonly PNACL_CONCURRENCY=${PNACL_CONCURRENCY:-8}
 # If true, we are in the middle of a merge.  Do not update the llvm branch
 # (except for clang, which has no local mods).
 readonly PNACL_MERGE_TESTING=${PNACL_MERGE_TESTING:-false}
 PNACL_PRUNE=${PNACL_PRUNE:-false}
 PNACL_BUILD_ARM=true
+# PNACL_BUILD_MIPS=true

[Nick Bray (chromium), 2012/04/27 19:41:33]

Nit: I haven't ever looked at this script before, but adding a commented line
raises the question of what you want and if there's a better solution.

 
 if ${BUILD_PLATFORM_MAC} || ${BUILD_PLATFORM_WIN}; then
-  # We don't yet support building ARM tools for mac or windows.
+  # We don't yet support building ARM and MIPS tools for mac or windows.
   PNACL_BUILD_ARM=false
+  PNACL_BUILD_MIPS=false
 fi
 
 readonly SB_JIT=${SB_JIT:-false}
 
 # TODO(pdox): Decide what the target should really permanently be
 readonly CROSS_TARGET_ARM=arm-none-linux-gnueabi
 readonly BINUTILS_TARGET=pc-nacl
 readonly REAL_CROSS_TARGET=le32-unknown-nacl
 readonly NACL64_TARGET=x86_64-nacl
 
@@ skipping 1752 matching lines @@
       sysinfo=0 \
       arm-ncval-core
     rm -rf  "${INSTALL_ROOT}/tools-x86"
     mkdir "${INSTALL_ROOT}/tools-x86"
     cp ${SCONS_OUT}/opt-linux-x86-32-to-arm/obj/src/trusted/validator_arm/\
 arm-ncval-core ${INSTALL_ROOT}/tools-x86
     spopd
   else
     StepBanner "MISC-ARM" "Skipping ARM validator (Not yet supported on Mac)"
   fi
+
+  if ${BUILD_PLATFORM_LINUX} ; then
+    StepBanner "MISC-MIPS" "Building validator (MIPS32)"
+    spushd "${NACL_ROOT}"
+    RunWithLog mips_ncval_core \
+      ./scons MODE=opt-host \
+      targetplatform=mips32 \
+      sysinfo=0 \
+     mips-ncval-core
+    cp scons-out/opt-linux-x86-32-to-mips32/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
 }
 
 #########################################################################
 #     < LIBELF >
 #########################################################################
 #+ libelf-host           - Build and install libelf (using the host CC)
 libelf-host() {
   StepBanner "LIBELF-HOST" "Building and installing libelf"
 
   local extra_headers=false
@@ skipping 2185 matching lines @@
   #Usage
   echo "ERROR: unknown function '$1'." >&2
   echo "For help, try:"
   echo "    $0 help"
   exit 1
 fi
 
 hg-migrate
 
 "$@"