File: gn_run_binary.py

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# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Helper script for GN to run an arbitrary binary. See compiled_action.gni.

Run with:
  python gn_run_binary.py <binary_name> [args ...]
"""


import os
import subprocess
import sys

# This script is designed to run binaries produced by the current build. We
# may prefix it with "./" to avoid picking up system versions that might
# also be on the path.
path = sys.argv[1]
if not os.path.isabs(path):
  path = './' + path

# The rest of the arguments are passed directly to the executable.
args = [path] + sys.argv[2:]

# Debian cross-build support
wrapper_env = os.environ.get('HOST_EXEC_WRAPPER')
if wrapper_env:
  args[0:0] = wrapper_env.split()

ret = subprocess.call(args)
if ret != 0:
  if ret <= -100:
    # Windows error codes such as 0xC0000005 and 0xC0000409 are much easier to
    # recognize and differentiate in hex. In order to print them as unsigned
    # hex we need to add 4 Gig to them.
    print('%s failed with exit code 0x%08X' % (sys.argv[1], ret + (1 << 32)))
  else:
    print('%s failed with exit code %d' % (sys.argv[1], ret))
sys.exit(ret)