33b672902d
BUG=v8:3880 LOG=n TBR=svenpanne@chromium.org Review URL: https://codereview.chromium.org/908173002 Cr-Commit-Position: refs/heads/master@{#26537}
118 lines
2.8 KiB
Python
Executable File
118 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# vim: set ts=2 sw=2 et sts=2 ai:
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"""Minimal tool to download binutils from Google storage.
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TODO(mithro): Replace with generic download_and_extract tool.
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"""
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import os
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import platform
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import re
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import shutil
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import subprocess
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import sys
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BINUTILS_DIR = os.path.abspath(os.path.dirname(__file__))
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BINUTILS_FILE = 'binutils.tar.bz2'
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BINUTILS_TOOLS = ['bin/ld.gold', 'bin/objcopy', 'bin/objdump']
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BINUTILS_OUT = 'Release'
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DETECT_HOST_ARCH = os.path.abspath(os.path.join(
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BINUTILS_DIR, '../../build/detect_v8_host_arch.py'))
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def ReadFile(filename):
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with file(filename, 'r') as f:
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return f.read().strip()
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def WriteFile(filename, content):
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assert not os.path.exists(filename)
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with file(filename, 'w') as f:
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f.write(content)
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f.write('\n')
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def GetArch():
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gyp_host_arch = re.search(
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'host_arch=(\S*)', os.environ.get('GYP_DEFINES', ''))
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if gyp_host_arch:
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arch = gyp_host_arch.group(1)
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# This matches detect_host_arch.py.
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if arch == 'x86_64':
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return 'x64'
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return arch
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return subprocess.check_output(['python', DETECT_HOST_ARCH]).strip()
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def FetchAndExtract(arch):
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archdir = os.path.join(BINUTILS_DIR, 'Linux_' + arch)
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tarball = os.path.join(archdir, BINUTILS_FILE)
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outdir = os.path.join(archdir, BINUTILS_OUT)
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sha1file = tarball + '.sha1'
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if not os.path.exists(sha1file):
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print "WARNING: No binutils found for your architecture (%s)!" % arch
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return 0
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checksum = ReadFile(sha1file)
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stampfile = tarball + '.stamp'
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if os.path.exists(stampfile):
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if (os.path.exists(tarball) and
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os.path.exists(outdir) and
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checksum == ReadFile(stampfile)):
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return 0
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else:
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os.unlink(stampfile)
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print "Downloading", tarball
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subprocess.check_call([
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'download_from_google_storage',
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'--no_resume',
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'--no_auth',
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'--bucket', 'chromium-binutils',
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'-s', sha1file])
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assert os.path.exists(tarball)
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if os.path.exists(outdir):
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shutil.rmtree(outdir)
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assert not os.path.exists(outdir)
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os.makedirs(outdir)
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assert os.path.exists(outdir)
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print "Extracting", tarball
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subprocess.check_call(['tar', 'axf', tarball], cwd=outdir)
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for tool in BINUTILS_TOOLS:
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assert os.path.exists(os.path.join(outdir, tool))
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WriteFile(stampfile, checksum)
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return 0
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def main(args):
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if not sys.platform.startswith('linux'):
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return 0
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arch = GetArch()
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if arch == 'x64':
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return FetchAndExtract(arch)
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if arch == 'ia32':
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ret = FetchAndExtract(arch)
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if ret != 0:
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return ret
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# Fetch the x64 toolchain as well for official bots with 64-bit kernels.
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return FetchAndExtract('x64')
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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