electron/build/dump_syms.py

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from __future__ import print_function
import collections
import os
import subprocess
import sys
import errno
# The BINARY_INFO tuple describes a binary as dump_syms identifies it.
BINARY_INFO = collections.namedtuple('BINARY_INFO',
['platform', 'arch', 'hash', 'name'])
def get_module_info(header_info):
# header info is of the form "MODULE $PLATFORM $ARCH $HASH $BINARY"
info_split = header_info.strip().split(' ', 4)
if len(info_split) != 5 or info_split[0] != 'MODULE':
return None
return BINARY_INFO(*info_split[1:])
def get_symbol_path(symbol_data):
module_info = get_module_info(symbol_data[:symbol_data.index('\n')])
if not module_info:
raise Exception("Couldn't get module info for binary '{}'".format(binary))
return os.path.join(module_info.name, module_info.hash, module_info.name + ".sym")
def mkdir_p(path):
"""Simulates mkdir -p."""
try:
os.makedirs(path)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(path):
pass
else: raise
def main(dump_syms, binary, out_dir, stamp_file, dsym_file=None):
args = [dump_syms]
if dsym_file:
args += ["-g", dsym_file]
args += [binary]
symbol_data = subprocess.check_output(args)
symbol_path = os.path.join(out_dir, get_symbol_path(symbol_data))
mkdir_p(os.path.dirname(symbol_path))
with open(symbol_path, 'w') as out:
out.write(symbol_data)
with open(stamp_file, 'w'):
pass
if __name__ == '__main__':
main(*sys.argv[1:])