| James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2014 The Chromium Authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | # vim: set ts=2 sw=2 et sts=2 ai: |
| 6 | |
| 7 | """Minimal tool to download binutils from Google storage. |
| 8 | |
| 9 | TODO(mithro): Replace with generic download_and_extract tool. |
| 10 | """ |
| 11 | |
| 12 | import os |
| 13 | import platform |
| 14 | import re |
| 15 | import shutil |
| 16 | import subprocess |
| 17 | import sys |
| 18 | |
| 19 | |
| 20 | BINUTILS_DIR = os.path.abspath(os.path.dirname(__file__)) |
| 21 | BINUTILS_FILE = 'binutils.tar.bz2' |
| 22 | BINUTILS_TOOLS = ['bin/ld.gold', 'bin/objcopy', 'bin/objdump'] |
| 23 | BINUTILS_OUT = 'Release' |
| 24 | |
| 25 | DETECT_HOST_ARCH = os.path.abspath(os.path.join( |
| 26 | BINUTILS_DIR, '../../build/detect_host_arch.py')) |
| 27 | |
| 28 | |
| 29 | def ReadFile(filename): |
| 30 | with file(filename, 'r') as f: |
| 31 | return f.read().strip() |
| 32 | |
| 33 | |
| 34 | def WriteFile(filename, content): |
| 35 | assert not os.path.exists(filename) |
| 36 | with file(filename, 'w') as f: |
| 37 | f.write(content) |
| 38 | f.write('\n') |
| 39 | |
| 40 | |
| 41 | def GetArch(): |
| 42 | gyp_host_arch = re.search( |
| 43 | 'host_arch=(\S*)', os.environ.get('GYP_DEFINES', '')) |
| 44 | if gyp_host_arch: |
| 45 | arch = gyp_host_arch.group(1) |
| 46 | # This matches detect_host_arch.py. |
| 47 | if arch == 'x86_64': |
| 48 | return 'x64' |
| 49 | return arch |
| 50 | |
| 51 | return subprocess.check_output(['python', DETECT_HOST_ARCH]).strip() |
| 52 | |
| 53 | |
| 54 | def FetchAndExtract(arch): |
| 55 | archdir = os.path.join(BINUTILS_DIR, 'Linux_' + arch) |
| 56 | tarball = os.path.join(archdir, BINUTILS_FILE) |
| 57 | outdir = os.path.join(archdir, BINUTILS_OUT) |
| 58 | |
| 59 | sha1file = tarball + '.sha1' |
| 60 | if not os.path.exists(sha1file): |
| 61 | print "WARNING: No binutils found for your architecture (%s)!" % arch |
| 62 | return 0 |
| 63 | |
| 64 | checksum = ReadFile(sha1file) |
| 65 | |
| 66 | stampfile = tarball + '.stamp' |
| 67 | if os.path.exists(stampfile): |
| 68 | if (os.path.exists(tarball) and |
| 69 | os.path.exists(outdir) and |
| 70 | checksum == ReadFile(stampfile)): |
| 71 | return 0 |
| 72 | else: |
| 73 | os.unlink(stampfile) |
| 74 | |
| 75 | print "Downloading", tarball |
| 76 | subprocess.check_call([ |
| 77 | 'download_from_google_storage', |
| 78 | '--no_resume', |
| 79 | '--no_auth', |
| 80 | '--bucket', 'chromium-binutils', |
| 81 | '-s', sha1file]) |
| 82 | assert os.path.exists(tarball) |
| 83 | |
| 84 | if os.path.exists(outdir): |
| 85 | shutil.rmtree(outdir) |
| 86 | assert not os.path.exists(outdir) |
| 87 | os.makedirs(outdir) |
| 88 | assert os.path.exists(outdir) |
| 89 | |
| 90 | print "Extracting", tarball |
| 91 | subprocess.check_call(['tar', 'axf', tarball], cwd=outdir) |
| 92 | |
| 93 | for tool in BINUTILS_TOOLS: |
| 94 | assert os.path.exists(os.path.join(outdir, tool)) |
| 95 | |
| 96 | WriteFile(stampfile, checksum) |
| 97 | return 0 |
| 98 | |
| 99 | |
| 100 | def main(args): |
| 101 | if not sys.platform.startswith('linux'): |
| 102 | return 0 |
| 103 | |
| 104 | arch = GetArch() |
| 105 | if arch == 'x64': |
| 106 | return FetchAndExtract(arch) |
| 107 | if arch == 'ia32': |
| 108 | ret = FetchAndExtract(arch) |
| 109 | if ret != 0: |
| 110 | return ret |
| 111 | # Fetch the x64 toolchain as well for official bots with 64-bit kernels. |
| 112 | return FetchAndExtract('x64') |
| 113 | print "Host architecture %s is not supported." % arch |
| 114 | return 1 |
| 115 | |
| 116 | |
| 117 | if __name__ == '__main__': |
| 118 | sys.exit(main(sys.argv)) |
