forked from mirrors/gecko-dev
126 lines
4.3 KiB
Python
126 lines
4.3 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
'''Given a library, dependentlibs.py prints the list of libraries it depends
|
|
upon that are in the same directory, followed by the library itself.
|
|
'''
|
|
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import mozpack.path as mozpath
|
|
from collections import OrderedDict
|
|
from mozpack.executables import (
|
|
get_type,
|
|
ELF,
|
|
MACHO,
|
|
)
|
|
from buildconfig import substs
|
|
|
|
def dependentlibs_win32_objdump(lib):
|
|
proc = subprocess.Popen([substs['LLVM_OBJDUMP'], '--private-headers', lib], stdout = subprocess.PIPE)
|
|
deps = []
|
|
for line in proc.stdout:
|
|
match = re.match('\s+DLL Name: (\S+)', line)
|
|
if match:
|
|
deps.append(match.group(1))
|
|
proc.wait()
|
|
return deps
|
|
|
|
def dependentlibs_readelf(lib):
|
|
'''Returns the list of dependencies declared in the given ELF .so'''
|
|
proc = subprocess.Popen([substs.get('TOOLCHAIN_PREFIX', '') + 'readelf', '-d', lib], stdout = subprocess.PIPE)
|
|
deps = []
|
|
for line in proc.stdout:
|
|
# Each line has the following format:
|
|
# tag (TYPE) value
|
|
# or with BSD readelf:
|
|
# tag TYPE value
|
|
# Looking for NEEDED type entries
|
|
tmp = line.split(' ', 3)
|
|
if len(tmp) > 3 and 'NEEDED' in tmp[2]:
|
|
# NEEDED lines look like:
|
|
# 0x00000001 (NEEDED) Shared library: [libname]
|
|
# or with BSD readelf:
|
|
# 0x00000001 NEEDED Shared library: [libname]
|
|
match = re.search('\[(.*)\]', tmp[3])
|
|
if match:
|
|
deps.append(match.group(1))
|
|
proc.wait()
|
|
return deps
|
|
|
|
def dependentlibs_mac_objdump(lib):
|
|
'''Returns the list of dependencies declared in the given MACH-O dylib'''
|
|
proc = subprocess.Popen([substs['LLVM_OBJDUMP'], '--private-headers', lib], stdout = subprocess.PIPE)
|
|
deps = []
|
|
cmd = None
|
|
for line in proc.stdout:
|
|
# llvm-objdump --private-headers output contains many different
|
|
# things. The interesting data
|
|
# is under "Load command n" sections, with the content:
|
|
# cmd LC_LOAD_DYLIB
|
|
# cmdsize 56
|
|
# name libname (offset 24)
|
|
tmp = line.split()
|
|
if len(tmp) < 2:
|
|
continue
|
|
if tmp[0] == 'cmd':
|
|
cmd = tmp[1]
|
|
elif cmd == 'LC_LOAD_DYLIB' and tmp[0] == 'name':
|
|
deps.append(re.sub('^@executable_path/','',tmp[1]))
|
|
proc.wait()
|
|
return deps
|
|
|
|
def dependentlibs(lib, libpaths, func):
|
|
'''For a given library, returns the list of recursive dependencies that can
|
|
be found in the given list of paths, followed by the library itself.'''
|
|
assert(libpaths)
|
|
assert(isinstance(libpaths, list))
|
|
deps = OrderedDict()
|
|
for dep in func(lib):
|
|
if dep in deps or os.path.isabs(dep):
|
|
continue
|
|
for dir in libpaths:
|
|
deppath = os.path.join(dir, dep)
|
|
if os.path.exists(deppath):
|
|
deps.update(dependentlibs(deppath, libpaths, func))
|
|
# Black list the ICU data DLL because preloading it at startup
|
|
# leads to startup performance problems because of its excessive
|
|
# size (around 10MB).
|
|
if not dep.startswith("icu"):
|
|
deps[dep] = deppath
|
|
break
|
|
|
|
return deps
|
|
|
|
def gen_list(output, lib):
|
|
libpaths = [os.path.join(substs['DIST'], 'bin')]
|
|
binary_type = get_type(lib)
|
|
if binary_type == ELF:
|
|
func = dependentlibs_readelf
|
|
elif binary_type == MACHO:
|
|
func = dependentlibs_mac_objdump
|
|
else:
|
|
ext = os.path.splitext(lib)[1]
|
|
assert(ext == '.dll')
|
|
func = dependentlibs_win32_objdump
|
|
|
|
deps = dependentlibs(lib, libpaths, func)
|
|
base_lib = mozpath.basename(lib)
|
|
deps[base_lib] = mozpath.join(libpaths[0], base_lib)
|
|
output.write('\n'.join(deps.keys()) + '\n')
|
|
|
|
with open(output.name + ".gtest", 'w') as gtest_out:
|
|
libs = deps.keys()
|
|
libs[-1] = 'gtest/' + libs[-1]
|
|
gtest_out.write('\n'.join(libs) + '\n')
|
|
|
|
return set(deps.values())
|
|
|
|
def main():
|
|
gen_list(sys.stdout, sys.argv[1])
|
|
|
|
if __name__ == '__main__':
|
|
main()
|