# Copyright (c) 2015, Google Inc. # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY # SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION # OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Enumerates the BoringSSL source in src/ and either generates two gypi files (boringssl.gypi and boringssl_tests.gypi) for Chromium, or generates source-list files for Android.""" import os import subprocess import sys # OS_ARCH_COMBOS maps from OS and platform to the OpenSSL assembly "style" for # that platform and the extension used by asm files. OS_ARCH_COMBOS = [ ('linux', 'arm', 'linux32', [], 'S'), ('linux', 'aarch64', 'linux64', [], 'S'), ('linux', 'x86', 'elf', ['-fPIC', '-DOPENSSL_IA32_SSE2'], 'S'), ('linux', 'x86_64', 'elf', [], 'S'), ('mac', 'x86', 'macosx', ['-fPIC', '-DOPENSSL_IA32_SSE2'], 'S'), ('mac', 'x86_64', 'macosx', [], 'S'), ('win', 'x86', 'win32n', ['-DOPENSSL_IA32_SSE2'], 'asm'), ('win', 'x86_64', 'nasm', [], 'asm'), ] # NON_PERL_FILES enumerates assembly files that are not processed by the # perlasm system. NON_PERL_FILES = { ('linux', 'arm'): [ 'src/crypto/poly1305/poly1305_arm_asm.S', 'src/crypto/chacha/chacha_vec_arm.S', 'src/crypto/cpu-arm-asm.S', ], } class Chromium(object): def __init__(self): self.header = \ """# Copyright (c) 2014 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # This file is created by generate_build_files.py. Do not edit manually. """ def PrintVariableSection(self, out, name, files): out.write(' \'%s\': [\n' % name) for f in sorted(files): out.write(' \'%s\',\n' % f) out.write(' ],\n') def WriteFiles(self, files, asm_outputs): with open('boringssl.gypi', 'w+') as gypi: gypi.write(self.header + '{\n \'variables\': {\n') self.PrintVariableSection( gypi, 'boringssl_lib_sources', files['crypto'] + files['ssl']) for ((osname, arch), asm_files) in asm_outputs: self.PrintVariableSection(gypi, 'boringssl_%s_%s_sources' % (osname, arch), asm_files) gypi.write(' }\n}\n') with open('boringssl_tests.gypi', 'w+') as test_gypi: test_gypi.write(self.header + '{\n \'targets\': [\n') test_names = [] for test in sorted(files['test']): test_name = 'boringssl_%s' % os.path.splitext(os.path.basename(test))[0] test_gypi.write(""" { 'target_name': '%s', 'type': 'executable', 'dependencies': [ 'boringssl.gyp:boringssl', ], 'sources': [ '%s', '<@(boringssl_test_support_sources)', ], # TODO(davidben): Fix size_t truncations in BoringSSL. # https://crbug.com/429039 'msvs_disabled_warnings': [ 4267, ], },\n""" % (test_name, test)) test_names.append(test_name) test_names.sort() test_gypi.write(' ],\n \'variables\': {\n') self.PrintVariableSection( test_gypi, 'boringssl_test_support_sources', files['test_support']) test_gypi.write(' \'boringssl_test_targets\': [\n') for test in test_names: test_gypi.write(""" '%s',\n""" % test) test_gypi.write(' ],\n }\n}\n') class Android(object): def __init__(self): self.header = \ """# Copyright (C) 2015 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ def PrintVariableSection(self, out, name, files): out.write('%s := \\\n' % name) for f in sorted(files): out.write(' %s\\\n' % f) out.write('\n') def WriteFiles(self, files, asm_outputs): with open('sources.mk', 'w+') as makefile: makefile.write(self.header) files['crypto'].append('android_compat_hacks.c') files['crypto'].append('android_compat_keywrap.c') self.PrintVariableSection(makefile, 'crypto_sources', files['crypto']) self.PrintVariableSection(makefile, 'ssl_sources', files['ssl']) self.PrintVariableSection(makefile, 'tool_sources', files['tool']) for ((osname, arch), asm_files) in asm_outputs: self.PrintVariableSection( makefile, '%s_%s_sources' % (osname, arch), asm_files) def FindCMakeFiles(directory): """Returns list of all CMakeLists.txt files recursively in directory.""" cmakefiles = [] for (path, _, filenames) in os.walk(directory): for filename in filenames: if filename == 'CMakeLists.txt': cmakefiles.append(os.path.join(path, filename)) return cmakefiles def NoTests(dent, is_dir): """Filter function that can be passed to FindCFiles in order to remove test sources.""" if is_dir: return dent != 'test' return 'test.' not in dent and not dent.startswith('example_') def OnlyTests(dent, is_dir): """Filter function that can be passed to FindCFiles in order to remove non-test sources.""" if is_dir: return dent != 'test' return '_test.' in dent or dent.startswith('example_') def AllFiles(dent, is_dir): """Filter function that can be passed to FindCFiles in order to include all sources.""" return True def FindCFiles(directory, filter_func): """Recurses through directory and returns a list of paths to all the C source files that pass filter_func.""" cfiles = [] for (path, dirnames, filenames) in os.walk(directory): for filename in filenames: if not filename.endswith('.c') and not filename.endswith('.cc'): continue if not filter_func(filename, False): continue cfiles.append(os.path.join(path, filename)) for (i, dirname) in enumerate(dirnames): if not filter_func(dirname, True): del dirnames[i] return cfiles def ExtractPerlAsmFromCMakeFile(cmakefile): """Parses the contents of the CMakeLists.txt file passed as an argument and returns a list of all the perlasm() directives found in the file.""" perlasms = [] with open(cmakefile) as f: for line in f: line = line.strip() if not line.startswith('perlasm('): continue if not line.endswith(')'): raise ValueError('Bad perlasm line in %s' % cmakefile) # Remove "perlasm(" from start and ")" from end params = line[8:-1].split() if len(params) < 2: raise ValueError('Bad perlasm line in %s' % cmakefile) perlasms.append({ 'extra_args': params[2:], 'input': os.path.join(os.path.dirname(cmakefile), params[1]), 'output': os.path.join(os.path.dirname(cmakefile), params[0]), }) return perlasms def ReadPerlAsmOperations(): """Returns a list of all perlasm() directives found in CMake config files in src/.""" perlasms = [] cmakefiles = FindCMakeFiles('src') for cmakefile in cmakefiles: perlasms.extend(ExtractPerlAsmFromCMakeFile(cmakefile)) return perlasms def PerlAsm(output_filename, input_filename, perlasm_style, extra_args): """Runs the a perlasm script and puts the output into output_filename.""" base_dir = os.path.dirname(output_filename) if not os.path.isdir(base_dir): os.makedirs(base_dir) output = subprocess.check_output( ['perl', input_filename, perlasm_style] + extra_args) with open(output_filename, 'w+') as out_file: out_file.write(output) def ArchForAsmFilename(filename): """Returns the architectures that a given asm file should be compiled for based on substrings in the filename.""" if 'x86_64' in filename or 'avx2' in filename: return ['x86_64'] elif ('x86' in filename and 'x86_64' not in filename) or '586' in filename: return ['x86'] elif 'armx' in filename: return ['arm', 'aarch64'] elif 'armv8' in filename: return ['aarch64'] elif 'arm' in filename: return ['arm'] else: raise ValueError('Unknown arch for asm filename: ' + filename) def WriteAsmFiles(perlasms): """Generates asm files from perlasm directives for each supported OS x platform combination.""" asmfiles = {} for osarch in OS_ARCH_COMBOS: (osname, arch, perlasm_style, extra_args, asm_ext) = osarch key = (osname, arch) outDir = '%s-%s' % key for perlasm in perlasms: filename = os.path.basename(perlasm['input']) output = perlasm['output'] if not output.startswith('src'): raise ValueError('output missing src: %s' % output) output = os.path.join(outDir, output[4:]) output = output.replace('${ASM_EXT}', asm_ext) if arch in ArchForAsmFilename(filename): PerlAsm(output, perlasm['input'], perlasm_style, perlasm['extra_args'] + extra_args) asmfiles.setdefault(key, []).append(output) for (key, non_perl_asm_files) in NON_PERL_FILES.iteritems(): asmfiles.setdefault(key, []).extend(non_perl_asm_files) return asmfiles def main(platform): crypto_c_files = FindCFiles(os.path.join('src', 'crypto'), NoTests) ssl_c_files = FindCFiles(os.path.join('src', 'ssl'), NoTests) tool_cc_files = FindCFiles(os.path.join('src', 'tool'), NoTests) # Generate err_data.c with open('err_data.c', 'w+') as err_data: subprocess.check_call(['go', 'run', 'err_data_generate.go'], cwd=os.path.join('src', 'crypto', 'err'), stdout=err_data) crypto_c_files.append('err_data.c') test_support_cc_files = FindCFiles(os.path.join('src', 'crypto', 'test'), AllFiles) test_c_files = FindCFiles(os.path.join('src', 'crypto'), OnlyTests) test_c_files += FindCFiles(os.path.join('src', 'ssl'), OnlyTests) files = { 'crypto': crypto_c_files, 'ssl': ssl_c_files, 'tool': tool_cc_files, 'test': test_c_files, 'test_support': test_support_cc_files, } asm_outputs = sorted(WriteAsmFiles(ReadPerlAsmOperations()).iteritems()) platform.WriteFiles(files, asm_outputs) return 0 def Usage(): print 'Usage: python %s [chromium|android]' % sys.argv[0] sys.exit(1) if __name__ == '__main__': if len(sys.argv) != 2: Usage() platform = None if sys.argv[1] == 'chromium': platform = Chromium() elif sys.argv[1] == 'android': platform = Android() else: Usage() sys.exit(main(platform))