Allow subzero tests to pass without le32-nacl-objdump.

pydir/run-pnacl-sz.py

 #!/usr/bin/env python2
 
 import argparse
 import itertools
 import os
 import re
 import subprocess
 import sys
 import tempfile
 
@@ skipping 13 matching lines @@
   return flags[target]
 
 
 def TargetDisassemblerFlags(target):
   flags = { 'x8632': ['-Mintel'],
             'x8664': ['-Mintel'],
             'arm32': [],
             'mips32':[] }
   return flags[target]
 
+def GetObjdumpCmd():
+  """Return a suitable objdump command."""
+  return 'arm-nacl-objdump'
 
 def main():
     """Run the pnacl-sz compiler on an llvm file.
 
     Takes an llvm input file, freezes it into a pexe file, converts
     it to a Subzero program, and finally compiles it.
     """
     argparser = argparse.ArgumentParser(
         description='    ' + main.__doc__,
         formatter_class=argparse.ArgumentDefaultsHelpFormatter)
@@ skipping 145 matching lines @@
         asm_temp.close()
         output_file_name = asm_temp.name
     if args.assemble and args.filetype != 'obj':
       cmd += (['|', os.path.join(pnacl_bin_path, 'llvm-mc')] +
               TargetAssemblerFlags(args.target, args.sandbox) +
               ['-filetype=obj', '-o', output_file_name])
     elif output_file_name:
       cmd += ['-o', output_file_name]
     if args.disassemble:
       # Show wide instruction encodings, diassemble, and show relocs.
-      cmd += (['&&', os.path.join(pnacl_bin_path, 'le32-nacl-objdump')] +
+      cmd += (['&&', os.path.join(pnacl_bin_path, GetObjdumpCmd())] +
               args.dis_flags +
               ['-w', '-d', '-r'] + TargetDisassemblerFlags(args.target) +
               [output_file_name])
 
     stdout_result = shellcmd(cmd, echo=args.echo_cmd)
     if not args.echo_cmd:
       sys.stdout.write(stdout_result)
     if asm_temp and not keep_output_file:
       os.remove(output_file_name)
 
 if __name__ == '__main__':
     main()