def CollectDynSym(args):
"""Replaces: nm --format=posix -g -D $sofile | cut -f1-2 -d' '"""
toc = ''
nm = subprocess.Popen(WrapperUtils.CommandToRun(
[args.nm, '--format=posix', '-g', '-D', args.sofile]),
stdout=subprocess.PIPE,
bufsize=-1)
for line in nm.stdout:
toc += ' '.join(line.split(' ', 2)[:2]) + '\n'
return nm.wait(), toc
def CollectSONAME(args):
"""Replaces: readelf -d $sofile | grep SONAME"""
toc = ''
readelf = subprocess.Popen(WrapperUtils.CommandToRun(
[args.readelf, '-d', args.sofile]),
stdout=subprocess.PIPE,
bufsize=-1)
for line in readelf.stdout:
if 'SONAME' in line:
toc += line
return readelf.wait(), toc
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--ar',
required=True,
help='The ar binary to run',
metavar='PATH')
parser.add_argument('--output',
required=True,
help='Output archive file',
metavar='ARCHIVE')
parser.add_argument('--plugin',
help='Load plugin')
parser.add_argument('--resource-whitelist',
help='Merge all resource whitelists into a single file.',
metavar='PATH')
parser.add_argument('operation',
help='Operation on the archive')
parser.add_argument('inputs', nargs='+',
help='Input files')
args = parser.parse_args()
if args.resource_whitelist:
whitelist_candidates = WrapperUtils.ResolveRspLinks(args.inputs)
WrapperUtils.CombineResourceWhitelists(
whitelist_candidates, args.resource_whitelist)
command = [args.ar, args.operation]
if args.plugin is not None:
command += ['--plugin', args.plugin]
command.append(args.output)
command += args.inputs
# Remove the output file first.
try:
os.remove(args.output)
except OSError as e:
if e.errno != os.errno.ENOENT:
raise
# Now just run the ar command.
return subprocess.call(WrapperUtils.CommandToRun(command))
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--readelf',
required=True,
help='The readelf binary to run',
metavar='PATH')
parser.add_argument('--nm',
required=True,
help='The nm binary to run',
metavar='PATH')
parser.add_argument('--strip',
help='The strip binary to run',
metavar='PATH')
parser.add_argument('--sofile',
required=True,
help='Shared object file produced by linking command',
metavar='FILE')
parser.add_argument('--tocfile',
required=True,
help='Output table-of-contents file',
metavar='FILE')
parser.add_argument('--output',
required=True,
help='Final output shared object file',
metavar='FILE')
parser.add_argument(
'--resource-whitelist',
help='Merge all resource whitelists into a single file.',
metavar='PATH')
parser.add_argument('command', nargs='+', help='Linking command')
args = parser.parse_args()
# Work-around for gold being slow-by-default. http://crbug.com/632230
fast_env = dict(os.environ)
fast_env['LC_ALL'] = 'C'
if args.resource_whitelist:
whitelist_candidates = WrapperUtils.ResolveRspLinks(args.command)
WrapperUtils.CombineResourceWhitelists(whitelist_candidates,
args.resource_whitelist)
# First, run the actual link.
result = subprocess.call(WrapperUtils.CommandToRun(args.command),
env=fast_env)
if result != 0:
return result
# Next, generate the contents of the TOC file.
result, toc = CollectTOC(args)
if result != 0:
return result
# If there is an existing TOC file with identical contents, leave it alone.
# Otherwise, write out the TOC file.
UpdateTOC(args.tocfile, toc)
# Finally, strip the linked shared object file (if desired).
if args.strip:
result = subprocess.call(
WrapperUtils.CommandToRun([
args.strip, '--strip-unneeded', '-o', args.output, args.sofile
]))
return result
