Update pnacl toolchain version

ports/pnacl/build.sh

Index: ports/pnacl/build.sh
diff --git a/ports/pnacl/build.sh b/ports/pnacl/build.sh
index 21e8cc71f3aad8d1d42b67f8711a3a8f601ee08d..60d193771f51cf82bd2909f4792730d864a93ef8 100644
--- a/ports/pnacl/build.sh
+++ b/ports/pnacl/build.sh
@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-EXECUTABLES="bin/arm-nacl-readelf bin/le32-nacl-strings bin/clang bin/clang++"
 EnableGlibcCompat
 EnableCliMain
 
@@ -21,6 +20,9 @@ PatchStep() {
   Remove ${SRC_DIR}/toolchain_build/src/llvm/tools/clang
   LogExecute ln -fs ${SRC_DIR}/../../pnacl-clang-src/clang \
     ${SRC_DIR}/toolchain_build/src/llvm/tools/clang
+  Remove ${SRC_DIR}/toolchain_build/src/binutils-x86
+  LogExecute ln -fs ${SRC_DIR}/../../pnacl-binutils-x86-src/binutils \
+    ${SRC_DIR}/toolchain_build/src/binutils-x86
 }
 
 ConfigureStep() {
@@ -28,7 +30,7 @@ ConfigureStep() {
 }
 
 OUT_DIR=${BUILD_DIR}/out
-OUT_BIN=${BUILD_DIR}/bin
+OUT_INSTALL=${BUILD_DIR}/install
 
 BuildStep() {
   PNACL_DIR=${NACL_SDK_ROOT}/toolchain/linux_pnacl
@@ -67,6 +69,13 @@ BuildStep() {
 
   EXTRA_CONFIGURE="--extra-configure-arg=--disable-compiler-version-checks"
   EXTRA_CONFIGURE+=" --extra-configure-arg=--enable-libcpp"
+  # Without this configure will detect vfork as missing and define
+  # vfork to fork which clobbers that define in "spawn.h".
+  EXTRA_CONFIGURE+=" --extra-configure-arg=ac_cv_func_vfork_works=yes"
+  EXTRA_CONFIGURE+=" --extra-configure-arg=ac_cv_func_getrusage=no"
+  if [[ ${NACL_DEBUG} == 1 ]]; then
+    EXTRA_CONFIGURE+=" --host-flavor=debug"
+  fi
 
   # Some code in llvm uses intrisics not supported in the pnacl stable abi.
   if [[ ${TOOLCHAIN} == pnacl ]]; then
@@ -77,18 +86,13 @@ BuildStep() {
     EXTRA_CC_ARGS+=" -I${NACLPORTS_INCLUDE}/glibc-compat"
   fi
 
-  LINUX_PNACL=${NACL_SDK_ROOT}/toolchain/linux_pnacl
   EXTRA_CC_ARGS+=" -include spawn.h"
   EXTRA_CC_ARGS+=" -I${NACL_SDK_ROOT}/include"
   EXTRA_CC_ARGS+=" -I${NACLPORTS_INCLUDE}"
 
-  # export EXTRA_LIBS so that compiler_wapper.py can access it
-  export EXTRA_LIBS="${NACLPORTS_LDFLAGS} ${NACLPORTS_LIBS}"
-  echo "EXTRA_LIBS=${EXTRA_LIBS}"
-
-  # Without this configure will detect vfork as missing and define
-  # vfork to fork which clobbers that define in "spawn.h".
-  export ac_cv_func_vfork_works=yes
+  # export WEBPORTS_EXTRA_LIBS so that compiler_wapper.py can access it
+  export WEBPORTS_EXTRA_LIBS="${NACLPORTS_LDFLAGS} ${NACLPORTS_LIBS}"
+  echo "WEBPORTS_EXTRA_LIBS=${WEBPORTS_EXTRA_LIBS}"
 
   # Inject a shim that speed up pnacl invocations for configure.
   if [ "${NACL_ARCH}" = "pnacl" ]; then
@@ -100,6 +104,9 @@ BuildStep() {
   NACLCC="${START_DIR}/compiler_wrapper.py ${NACLCC}"
   NACLCXX="${START_DIR}/compiler_wrapper.py ${NACLCXX}"
 
+  Remove ${OUT_INSTALL}
+  MakeDir ${OUT_INSTALL}
+
   export CC=${NACLCC}
   export CXX=${NACLCXX}
   export AR=${NACLAR}
@@ -110,68 +117,134 @@ BuildStep() {
     --no-annotator \
     --pnacl-in-pnacl \
     --output=${OUT_DIR} \
+    --install=${OUT_INSTALL} \
     "--extra-cc-args=${EXTRA_CC_ARGS}" \
     ${EXTRA_CONFIGURE} \
     "--binutils-pnacl-extra-configure=${GOLD_LDADD}"
 
-  Remove ${OUT_BIN}
-  MakeDir ${OUT_BIN}
-  LogExecute cp ${OUT_DIR}/llvm_le32_nacl_install/bin/* ${OUT_BIN}
-  LogExecute cp ${OUT_DIR}/binutils_pnacl_le32_nacl_install/bin/* \
-    ${OUT_BIN}
-  # TODO(bradnelson): Drop this once shell script fix is done.
-  MakeDir ${OUT_BIN}/driver
-  LogExecute cp ${SRC_DIR}/pnacl/driver/redirect.sh ${OUT_BIN}/driver/
-  LogExecute cp ${SRC_DIR}/pnacl/driver/*.py ${OUT_BIN}/driver/
+  CreateHybridToolchain
 }
 
-InstallStep() {
-  local INSTALL_DIR=${DESTDIR}/${PREFIX}/pnacl
-  Remove ${INSTALL_DIR}/
-  MakeDir ${INSTALL_DIR}/
+CreateHybridToolchain() {
+  Banner "Creating Hybrid Toolchain"
 
-  LogExecute cp -r ${NACL_SDK_ROOT}/toolchain/linux_pnacl/* ${INSTALL_DIR}
+  # Build a full toolchain based on the one in NACL_SDK_ROOT, but overlayed
+  # with the one we just compiled.
+  Remove toolchain
+  MakeDir toolchain
+
+  host_toolchain=${NACL_SDK_ROOT}/toolchain/linux_pnacl
+  LogExecute cp -r ${host_toolchain}/* toolchain
 
   # Drop pyc files.
-  LogExecute find ${INSTALL_DIR} -name "*.pyc" -exec rm {} \;
-
-  LogExecute rm -rf ${INSTALL_DIR}/mipsel-nacl
-  LogExecute rm -rf ${INSTALL_DIR}/translator
-  LogExecute rm -rf ${INSTALL_DIR}/*-nacl/usr
-
-  # TODO(bradnelson): Drop this once shell script fix is done.
-  LogExecute cp ${OUT_BIN}/driver/*.py ${INSTALL_DIR}/bin/pydir/
-
-  # Swap in nacl executables.
-  Remove ${INSTALL_DIR}/lib/*.so
-  for f in $(find ${INSTALL_DIR} -executable -type f); do
-    if [ "$(file ${f} | grep ELF)" != "" ]; then
-      local exe="${OUT_BIN}/$(basename ${f})"
-      if [[ -f ${exe} ]]; then
-        if [[ ${TOOLCHAIN} == pnacl ]]; then
-          echo "Finalizing ${exe}"
-          ${PNACLFINALIZE} ${exe} -o ${f}
-        else
-          echo "Copying ${exe}"
-          cp ${exe} ${f}
-        fi
+  LogExecute find toolchain -name "*.pyc" -exec rm {} \;
+
+  # Overlay compiled toolchain
+  Remove ${OUT_INSTALL}/x86_64-nacl/lib/32
+  Remove ${OUT_INSTALL}/x86_64-nacl/lib64
+  LogExecute cp -r ${OUT_INSTALL}/* toolchain/
+
+  # Rename the nacl executables.
+  for f in $(cd ${host_toolchain} && find . -executable -type f); do
+    if [[ "$(file ${host_toolchain}/${f} | grep ELF)" != "" \
+          && ${f} != *pnacl-abicheck ]]; then
+      # We are dealing with an executable
+      local built_exe="${OUT_INSTALL}/${f}"
+      local exe="toolchain/${f}"
+      if [[ -f ${built_exe} ]]; then
+        LogExecute mv ${exe} ${exe}${NACL_EXEEXT}
       elif [[ $f == *-clang* ]]; then
-        LogExecute ln -sf ${f} $(basename ${f})
+        Remove ${exe}
+        LogExecute ln -sf clang${NACL_EXEEXT} ${exe}${NACL_EXEEXT}
       else
         echo "Warning: dropping ${f} without a nacl replacement."
-        LogExecute rm -f ${f}
+        LogExecute rm -f ${exe}
       fi
-    elif [ "$(head -n 1 ${f} | grep /bin/sh)" != "" ]; then
-      # TODO(bradnelson): Drop this once shell script fix is done.
-      LogExecute cp -f ${OUT_BIN}/driver/redirect.sh ${f}
-      LogExecute chmod a+x ${f}
     fi
   done
+
+  # Now create launcher scripts for each executable
+  for f in toolchain/bin/*${NACL_EXEEXT}; do
+    script=${f%.*}
+    if [[ ${TOOLCHAIN} == pnacl ]]; then
+      TranslateAndWriteLauncherScript "${f}" x86-64 "${script}.nexe" "${script}"
+    else
+      WriteLauncherScript "${script}" "$(basename ${f})"
+    fi
+  done
+
+  # Drop parts we don't care about
+  LogExecute rm -rf toolchain/translator
+  LogExecute rm -rf toolchain/mipsel-nacl
+  LogExecute rm -rf toolchain/*-nacl/usr
+  LogExecute rm -f toolchain/bin/mipsel-*
+  LogExecute rm -f toolchain/lib/*.so
+}
+
+InstallStep() {
+  local INSTALL_DIR=${DESTDIR}/${PREFIX}/pnacl
+  Remove ${INSTALL_DIR}/
+  MakeDir ${INSTALL_DIR}/
+
+  LogExecute cp -r toolchain/* ${INSTALL_DIR}
+  for f in $(find ${INSTALL_DIR} -type l -name *-clang*${NACL_EXEEXT}); do
+    # link to clang binary
+    Remove $f ${f%.*}
+    LogExecute ln -s clang ${f%.*}
+  done
+  for f in $(find ${INSTALL_DIR} -executable -type f -name *${NACL_EXEEXT}); do
+    LogExecute mv $f ${f%.*}
+  done
 }
 
-PostInstallTestStep() {
+TestStep() {
   # Verify that binaries at least load under sel_ldr
-  LogExecute ./bin/le32-nacl-strings.sh --version
-  LogExecute ./bin/arm-nacl-readelf.sh --version
-  LogExecute ./bin/clang.sh --version
+  LogExecute toolchain/bin/le32-nacl-strings --version
+  LogExecute toolchain/bin/arm-nacl-readelf --version
+  LogExecute toolchain/bin/x86_64-nacl-as --version
+  LogExecute toolchain/bin/clang --version
+
+  # The end-to-end tests doesn't currently work for PNaCl
+  if [[ $TOOLCHAIN == pnacl ]]; then
+    return
+  fi
+  TestNaClClang
+}
+
+TestNaClClang() {
+  # Try compiling and running a simple hello world program.  We have to
+  # use explicit compile, assemble and link commands since sel_ldr doesn't
+  # provide fork().
+
+  compile_command="toolchain/bin/x86_64-nacl-clang -cc1 -triple x86_64--nacl
+  -S -disable-free -main-file-name ${START_DIR}/hello.c -mrelocation-model
+  static -mthread-model posix -mdisable-fp-elim -fmath-errno -no-integrated-as
+  -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64
+  -target-linker-version 2.24 -v -dwarf-column-info
+  -resource-dir $PWD/toolchain/bin/../lib/clang/3.7.0
+  -internal-isystem $PWD/toolchain/bin/../lib/clang/3.7.0/include
+  -internal-isystem $PWD/toolchain/bin/../x86_64-nacl/usr/include
+  -internal-isystem $PWD/toolchain/bin/../x86_64-nacl/include
+  -fno-dwarf-directory-asm -ferror-limit 19 -fmessage-length 0 -mstackrealign
+  -fobjc-runtime=gcc -fdiagnostics-show-option -o hello.s -x c
+  ${START_DIR}/hello.c
+  "
+  LogExecute $compile_command
+
+  LogExecute toolchain/bin/x86_64-nacl-as --64 hello.s -o hello.o
+  link_command="toolchain/x86_64-nacl/bin/ld --build-id -m
+  elf_x86_64_nacl -static -o hello.nexe
+  $PWD/toolchain/bin/../x86_64-nacl/lib/crt1.o
+  $PWD/toolchain/bin/../x86_64-nacl/lib/crti.o
+  $PWD/toolchain/bin/../lib/clang/3.7.0/lib/x86_64-nacl/crtbeginT.o
+  -L$PWD/toolchain/bin/../x86_64-nacl/lib
+  -L$PWD/toolchain/bin/../x86_64-nacl/usr/lib
+  -L$PWD/toolchain/bin/../lib/clang/3.7.0/lib/x86_64-nacl
+  ./hello.o --start-group -lc -lgcc --as-needed -lgcc_eh --no-as-needed
+  --end-group
+  $PWD/toolchain/bin/../lib/clang/3.7.0/lib/x86_64-nacl/crtend.o
+  $PWD/toolchain/bin/../x86_64-nacl/lib/crtn.o
+  "
+  LogExecute $link_command
+  RunSelLdrCommand hello.nexe
 }