| # 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', |
| ], |
| # 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(""" ], |
| 'variables': { |
| '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 True |
| return '_test.' in dent or dent.startswith('example_') |
| |
| |
| 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_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, |
| } |
| |
| 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)) |