Move tools/llvm/driver to pnacl/driver.

tools/llvm/driver/pnacl-dis.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'          : '',
-  'FLAGS'           : '',
-}
-env.update(EXTRA_ENV)
-
-DISPatterns = [
-  ( ('-o','(.*)'),            "env.set('OUTPUT', pathtools.normalize($0))"),
-  ( '(-.*)',                  "env.append('FLAGS', $0)"),
-  ( '(.*)',                   "env.append('INPUTS', pathtools.normalize($0))"),
-]
-
-def main(argv):
-  ParseArgs(argv, DISPatterns)
-
-  inputs = env.get('INPUTS')
-  output = env.getone('OUTPUT')
-
-  if len(inputs) == 0:
-    Log.Fatal("No input files given")
-
-  if len(inputs) > 1 and output != '':
-    Log.Fatal("Cannot have -o with multiple inputs")
-
-  for infile in inputs:
-    env.push()
-    env.set('input', infile)
-    env.set('output', output)
-
-    # When we output to stdout, set redirect_stdout and set log_stdout
-    # to False to bypass the driver's line-by-line handling of stdout
-    # which is extremely slow when you have a lot of output
-
-    if IsBitcode(infile):
-      if output == '':
-        # LLVM by default outputs to a file if -o is missing
-        # Let's instead output to stdout
-        env.set('output', '-')
-        env.append('FLAGS', '-f')
-      RunWithLog('${LLVM_DIS} ${FLAGS} ${input} -o ${output}',
-                 log_stdout = False)
-    elif IsELF(infile):
-      flags = env.get('FLAGS')
-      if len(flags) == 0:
-        env.append('FLAGS', '-d')
-      if output == '':
-        # objdump to stdout
-        RunWithLog('${OBJDUMP} ${FLAGS} ${input}',
-                   log_stdout = False, log_stderr = False)
-      else:
-        # objdump always outputs to stdout, and doesn't recognize -o
-        # Let's add this feature to be consistent.
-        fp = DriverOpen(output, 'w')
-        RunWithLog('${OBJDUMP} ${FLAGS} ${input}',
-                   echo_stdout = False, log_stdout = False,
-                   redirect_stdout = fp)
-        DriverClose(fp)
-    else:
-      Log.Fatal('Unknown file type')
-    env.pop()
-
-  return 0
-
-if __name__ == "__main__":
-  DriverMain(main)