Move tools/llvm/driver to pnacl/driver.

tools/llvm/driver/pnacl-as.py

-#!/usr/bin/python
-# Copyright (c) 2011 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.
-#
-# IMPORTANT NOTE: If you make local mods to this file, you must run:
-#   %  tools/llvm/utman.sh driver
-# in order for them to take effect in the scons build.  This command
-# updates the copy in the toolchain/ tree.
-#
-
-from driver_tools import *
-
-EXTRA_ENV = {
-  'INPUTS'      : '',
-  'OUTPUT'      : '',
-
-  # Options
-  'DIAGNOSTIC'  : '0',
-
-  'AS_FLAGS_ARM'  : '-mfpu=vfp -march=armv7-a',
-  # once we can use llvm's ARM assembler we should use these flags
-  #'AS_FLAGS_ARM'   : '-assemble -filetype=obj -arch=arm -triple=armv7a-nacl',
-  'AS_FLAGS_X8632' : '-assemble -filetype=obj -arch=x86 -triple=i686-nacl',
-  'AS_FLAGS_X8664' : '-assemble -filetype=obj -arch=x86-64 -triple=x86_64-nacl',
-
-  'RUN_BITCODE_AS' : '${LLVM_AS} ${input} -o ${output}',
-  'RUN_NATIVE_AS' : '${AS_%ARCH%} ${AS_FLAGS_%ARCH%} ${input} -o ${output}',
-}
-env.update(EXTRA_ENV)
-
-ASPatterns = [
-  ( '-o(.+)',          "env.set('OUTPUT', pathtools.normalize($0))"),
-  ( ('-o', '(.+)'),    "env.set('OUTPUT', pathtools.normalize($0))"),
-
-  ( '(-v|--version)',  "env.set('DIAGNOSTIC', '1')"),
-
-  # Ignore these assembler flags
-  ( '(-Qy)',                  ""),
-  ( ('(--traditional-format)', '.*'), ""),
-  ( '(-gstabs)',              ""),
-  ( '(--gstabs)',             ""),
-  ( '(-gdwarf2)',             ""),
-  ( '(--gdwarf2)',            ""),
-  ( '(--fatal-warnings)',     ""),
-  ( '(-meabi=.*)',            ""),
-  ( '(-mfpu=.*)',             ""),
-  ( '(-march=.*)',            ""),
-
-  ( '(-.*)',  UnrecognizedOption),
-
-  # Unmatched parameters should be treated as
-  # assembly inputs by the "as" incarnation.
-  ( '(.*)',  "env.append('INPUTS', pathtools.normalize($0))"),
-]
-
-def main(argv):
-  ParseArgs(argv, ASPatterns)
-  arch = GetArch()
-
-  if env.getbool('DIAGNOSTIC'):
-    GetArch(required=True)
-    env.set('ARGV', *argv)
-    # NOTE: we could probably just print a canned string out instead.
-    RunWithLog('${AS_%ARCH%} ${ARGV}')
-    return 0
-
-  inputs = env.get('INPUTS')
-  output = env.getone('OUTPUT')
-
-  if len(inputs) != 1:
-    Log.Fatal('Expecting exactly one input file')
-
-  if arch:
-    output_type = 'o'
-  else:
-    output_type = 'po'
-
-  if output == '':
-    output = 'a.out'
-
-  env.push()
-  env.set('input', inputs[0])
-  env.set('output', output)
-
-  if output_type == 'po':
-    # .ll to .po
-    RunWithLog("${RUN_BITCODE_AS}")
-  else:
-    # .s to .o
-    RunWithLog("${RUN_NATIVE_AS}")
-  env.pop()
-  return 0
-
-
-if __name__ == "__main__":
-  DriverMain(main)