| #!/usr/bin/env python |
| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # vim: set ts=2 sw=2 et sts=2 ai: |
| |
| """Minimal tool to download binutils from Google storage. |
| |
| TODO(mithro): Replace with generic download_and_extract tool. |
| """ |
| |
| import os |
| import platform |
| import re |
| import shutil |
| import subprocess |
| import sys |
| |
| |
| BINUTILS_DIR = os.path.abspath(os.path.dirname(__file__)) |
| BINUTILS_FILE = 'binutils.tar.bz2' |
| BINUTILS_TOOLS = ['bin/ld.gold', 'bin/objcopy', 'bin/objdump'] |
| BINUTILS_OUT = 'Release' |
| |
| DETECT_HOST_ARCH = os.path.abspath(os.path.join( |
| BINUTILS_DIR, '../../build/detect_host_arch.py')) |
| |
| |
| def ReadFile(filename): |
| with file(filename, 'r') as f: |
| return f.read().strip() |
| |
| |
| def WriteFile(filename, content): |
| assert not os.path.exists(filename) |
| with file(filename, 'w') as f: |
| f.write(content) |
| f.write('\n') |
| |
| |
| def GetArch(): |
| gyp_host_arch = re.search( |
| 'host_arch=(\S*)', os.environ.get('GYP_DEFINES', '')) |
| if gyp_host_arch: |
| arch = gyp_host_arch.group(1) |
| # This matches detect_host_arch.py. |
| if arch == 'x86_64': |
| return 'x64' |
| return arch |
| |
| return subprocess.check_output(['python', DETECT_HOST_ARCH]).strip() |
| |
| |
| def FetchAndExtract(arch): |
| archdir = os.path.join(BINUTILS_DIR, 'Linux_' + arch) |
| tarball = os.path.join(archdir, BINUTILS_FILE) |
| outdir = os.path.join(archdir, BINUTILS_OUT) |
| |
| sha1file = tarball + '.sha1' |
| if not os.path.exists(sha1file): |
| print "WARNING: No binutils found for your architecture (%s)!" % arch |
| return 0 |
| |
| checksum = ReadFile(sha1file) |
| |
| stampfile = tarball + '.stamp' |
| if os.path.exists(stampfile): |
| if (os.path.exists(tarball) and |
| os.path.exists(outdir) and |
| checksum == ReadFile(stampfile)): |
| return 0 |
| else: |
| os.unlink(stampfile) |
| |
| print "Downloading", tarball |
| subprocess.check_call([ |
| 'download_from_google_storage', |
| '--no_resume', |
| '--no_auth', |
| '--bucket', 'chromium-binutils', |
| '-s', sha1file]) |
| assert os.path.exists(tarball) |
| |
| if os.path.exists(outdir): |
| shutil.rmtree(outdir) |
| assert not os.path.exists(outdir) |
| os.makedirs(outdir) |
| assert os.path.exists(outdir) |
| |
| print "Extracting", tarball |
| subprocess.check_call(['tar', 'axf', tarball], cwd=outdir) |
| |
| for tool in BINUTILS_TOOLS: |
| assert os.path.exists(os.path.join(outdir, tool)) |
| |
| WriteFile(stampfile, checksum) |
| return 0 |
| |
| |
| def main(args): |
| if not sys.platform.startswith('linux'): |
| return 0 |
| |
| arch = GetArch() |
| if arch == 'x64': |
| return FetchAndExtract(arch) |
| if arch == 'ia32': |
| ret = FetchAndExtract(arch) |
| if ret != 0: |
| return ret |
| # Fetch the x64 toolchain as well for official bots with 64-bit kernels. |
| return FetchAndExtract('x64') |
| print "Host architecture %s is not supported." % arch |
| return 1 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |