libffi/generate-darwin-source-and-headers.py

   1 #!/usr/bin/env python
   2 import subprocess
   3 import os
   4 import errno
   5 import collections
   6 import glob
   7 import argparse
   8
   9
  10 class Platform(object):
  11     pass
  12
  13
  14 class simulator_platform(Platform):
  15     arch = 'i386'
  16     triple = 'i386-apple-darwin11'
  17
  18     prefix = "#ifdef __i386__\n\n"
  19     suffix = "\n\n#endif"
  20     src_dir = 'x86'
  21     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  22
  23
  24 class simulator64_platform(Platform):
  25     arch = 'x86_64'
  26     triple = 'x86_64-apple-darwin13'
  27
  28     prefix = "#ifdef __x86_64__\n\n"
  29     suffix = "\n\n#endif"
  30     src_dir = 'x86'
  31     src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
  32
  33
  34 class device_platform(Platform):
  35     arch = 'armv7'
  36     triple = 'arm-apple-darwin11'
  37
  38     prefix = "#ifdef __arm__\n\n"
  39     suffix = "\n\n#endif"
  40     src_dir = 'arm'
  41     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  42
  43
  44 class device64_platform(Platform):
  45     arch = 'arm64'
  46     triple = 'aarch64-apple-darwin13'
  47
  48     prefix = "#ifdef __arm64__\n\n"
  49     suffix = "\n\n#endif"
  50     src_dir = 'aarch64'
  51     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  52
  53
  54 class ios_simulator_platform(simulator_platform):
  55     directory = 'darwin_ios'
  56     sdk = 'iphonesimulator'
  57     version_min = '-miphoneos-version-min=7.0'
  58
  59
  60 class ios_simulator64_platform(simulator64_platform):
  61     directory = 'darwin_ios'
  62     sdk = 'iphonesimulator'
  63     version_min = '-miphoneos-version-min=7.0'
  64
  65
  66 class ios_device_platform(device_platform):
  67     directory = 'darwin_ios'
  68     sdk = 'iphoneos'
  69     version_min = '-miphoneos-version-min=7.0'
  70
  71
  72 class ios_device64_platform(device64_platform):
  73     directory = 'darwin_ios'
  74     sdk = 'iphoneos'
  75     version_min = '-miphoneos-version-min=7.0'
  76
  77
  78 class desktop32_platform(Platform):
  79     directory = 'darwin_osx'
  80     sdk = 'macosx'
  81     arch = 'i386'
  82     triple = 'i386-apple-darwin10'
  83     version_min = '-mmacosx-version-min=10.6'
  84     src_dir = 'x86'
  85     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  86
  87     prefix = "#ifdef __i386__\n\n"
  88     suffix = "\n\n#endif"
  89
  90
  91 class desktop64_platform(Platform):
  92     directory = 'darwin_osx'
  93     sdk = 'macosx'
  94     arch = 'x86_64'
  95     triple = 'x86_64-apple-darwin10'
  96     version_min = '-mmacosx-version-min=10.6'
  97
  98     prefix = "#ifdef __x86_64__\n\n"
  99     suffix = "\n\n#endif"
 100     src_dir = 'x86'
 101     src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
 102
 103
 104 class tvos_simulator64_platform(simulator64_platform):
 105     directory = 'darwin_tvos'
 106     sdk = 'appletvsimulator'
 107     version_min = '-mtvos-version-min=9.0'
 108
 109
 110 class tvos_device64_platform(device64_platform):
 111     directory = 'darwin_tvos'
 112     sdk = 'appletvos'
 113     version_min = '-mtvos-version-min=9.0'
 114
 115
 116 class watchos_simulator_platform(simulator_platform):
 117     directory = 'darwin_watchos'
 118     sdk = 'watchsimulator'
 119     version_min = '-mwatchos-version-min=4.0'
 120
 121
 122 class watchos_device_platform(device_platform):
 123     directory = 'darwin_watchos'
 124     sdk = 'watchos'
 125     arch = 'armv7k'
 126     version_min = '-mwatchos-version-min=4.0'
 127
 128
 129 def mkdir_p(path):
 130     try:
 131         os.makedirs(path)
 132     except OSError as exc:  # Python >2.5
 133         if exc.errno != errno.EEXIST:
 134             raise
 135
 136
 137 def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
 138     mkdir_p(dst_dir)
 139     out_filename = filename
 140
 141     if file_suffix:
 142         if filename in ['internal64.h', 'asmnames.h', 'internal.h']:
 143             out_filename = filename
 144         else:
 145             split_name = os.path.splitext(filename)
 146             out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
 147
 148     with open(os.path.join(src_dir, filename)) as in_file:
 149         with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
 150             if prefix:
 151                 out_file.write(prefix)
 152
 153             out_file.write(in_file.read())
 154
 155             if suffix:
 156                 out_file.write(suffix)
 157
 158
 159 def list_files(src_dir, pattern=None, filelist=None):
 160     if pattern: filelist = glob.iglob(os.path.join(src_dir, pattern))
 161     for file in filelist:
 162         yield os.path.basename(file)
 163
 164
 165 def copy_files(src_dir, dst_dir, pattern=None, filelist=None, file_suffix=None, prefix=None, suffix=None):
 166     for filename in list_files(src_dir, pattern=pattern, filelist=filelist):
 167         move_file(src_dir, dst_dir, filename, file_suffix=file_suffix, prefix=prefix, suffix=suffix)
 168
 169
 170 def copy_src_platform_files(platform):
 171     src_dir = os.path.join('src', platform.src_dir)
 172     dst_dir = os.path.join(platform.directory, 'src', platform.src_dir)
 173     copy_files(src_dir, dst_dir, filelist=platform.src_files, file_suffix=platform.arch, prefix=platform.prefix, suffix=platform.suffix)
 174
 175
 176 def build_target(platform, platform_headers):
 177     def xcrun_cmd(cmd):
 178         return 'xcrun -sdk %s %s -arch %s' % (platform.sdk, cmd, platform.arch)
 179
 180     tag='%s-%s' % (platform.sdk, platform.arch)
 181     build_dir = 'build_%s' % tag
 182     mkdir_p(build_dir)
 183     env = dict(CC=xcrun_cmd('clang'),
 184                LD=xcrun_cmd('ld'),
 185                CFLAGS='%s -fembed-bitcode' % (platform.version_min))
 186     working_dir = os.getcwd()
 187     try:
 188         os.chdir(build_dir)
 189         subprocess.check_call(['../configure', '-host', platform.triple], env=env)
 190     finally:
 191         os.chdir(working_dir)
 192
 193     for src_dir in [build_dir, os.path.join(build_dir, 'include')]:
 194         copy_files(src_dir,
 195                    os.path.join(platform.directory, 'include'),
 196                    pattern='*.h',
 197                    file_suffix=platform.arch,
 198                    prefix=platform.prefix,
 199                    suffix=platform.suffix)
 200
 201         for filename in list_files(src_dir, pattern='*.h'):
 202             platform_headers[filename].add((platform.prefix, platform.arch, platform.suffix))
 203
 204
 205 def generate_source_and_headers(
 206     generate_osx=True,
 207     generate_ios=True,
 208     generate_tvos=True,
 209     generate_watchos=True,
 210 ):
 211     copy_files('src', 'darwin_common/src', pattern='*.c')
 212     copy_files('include', 'darwin_common/include', pattern='*.h')
 213
 214     if generate_ios:
 215         copy_src_platform_files(ios_simulator_platform)
 216         copy_src_platform_files(ios_simulator64_platform)
 217         copy_src_platform_files(ios_device_platform)
 218         copy_src_platform_files(ios_device64_platform)
 219     if generate_osx:
 220         copy_src_platform_files(desktop64_platform)
 221     if generate_tvos:
 222         copy_src_platform_files(tvos_simulator64_platform)
 223         copy_src_platform_files(tvos_device64_platform)
 224     if generate_watchos:
 225         copy_src_platform_files(watchos_simulator_platform)
 226         copy_src_platform_files(watchos_device_platform)
 227
 228     platform_headers = collections.defaultdict(set)
 229
 230     if generate_ios:
 231         build_target(ios_simulator_platform, platform_headers)
 232         build_target(ios_simulator64_platform, platform_headers)
 233         build_target(ios_device_platform, platform_headers)
 234         build_target(ios_device64_platform, platform_headers)
 235     if generate_osx:
 236         build_target(desktop64_platform, platform_headers)
 237     if generate_tvos:
 238         build_target(tvos_simulator64_platform, platform_headers)
 239         build_target(tvos_device64_platform, platform_headers)
 240     if generate_watchos:
 241         build_target(watchos_simulator_platform, platform_headers)
 242         build_target(watchos_device_platform, platform_headers)
 243
 244     mkdir_p('darwin_common/include')
 245     for header_name, tag_tuples in platform_headers.items():
 246         basename, suffix = os.path.splitext(header_name)
 247         with open(os.path.join('darwin_common/include', header_name), 'w') as header:
 248             for tag_tuple in tag_tuples:
 249                 header.write('%s#include <%s_%s%s>\n%s\n' % (tag_tuple[0], basename, tag_tuple[1], suffix, tag_tuple[2]))
 250
 251 if __name__ == '__main__':
 252     parser = argparse.ArgumentParser()
 253     parser.add_argument('--only-ios', action='store_true', default=False)
 254     parser.add_argument('--only-osx', action='store_true', default=False)
 255     parser.add_argument('--only-tvos', action='store_true', default=False)
 256     parser.add_argument('--only-watchos', action='store_true', default=False)
 257     args = parser.parse_args()
 258
 259     generate_source_and_headers(
 260         generate_osx=not args.only_ios and not args.only_tvos and not args.only_watchos,
 261         generate_ios=not args.only_osx and not args.only_tvos and not args.only_watchos,
 262         generate_tvos=not args.only_ios and not args.only_osx and not args.only_watchos,
 263         generate_watchos=not args.only_ios and not args.only_osx and not args.only_tvos,
 264     )