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 class Platform(object):
  10     pass
  11
  12 class simulator_platform(Platform):
  13     directory = 'darwin_ios'
  14     sdk = 'iphonesimulator'
  15     arch = 'i386'
  16     triple = 'i386-apple-darwin11'
  17     version_min = '-miphoneos-version-min=7.0'
  18
  19     prefix = "#ifdef __i386__\n\n"
  20     suffix = "\n\n#endif"
  21     src_dir = 'x86'
  22     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  23
  24
  25 class simulator64_platform(Platform):
  26     directory = 'darwin_ios'
  27     sdk = 'iphonesimulator'
  28     arch = 'x86_64'
  29     triple = 'x86_64-apple-darwin13'
  30     version_min = '-miphoneos-version-min=7.0'
  31
  32     prefix = "#ifdef __x86_64__\n\n"
  33     suffix = "\n\n#endif"
  34     src_dir = 'x86'
  35     src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
  36
  37
  38 class device_platform(Platform):
  39     directory = 'darwin_ios'
  40     sdk = 'iphoneos'
  41     arch = 'armv7'
  42     triple = 'arm-apple-darwin11'
  43     version_min = '-miphoneos-version-min=7.0'
  44
  45     prefix = "#ifdef __arm__\n\n"
  46     suffix = "\n\n#endif"
  47     src_dir = 'arm'
  48     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  49
  50
  51 class device64_platform(Platform):
  52     directory = 'darwin_ios'
  53     sdk = 'iphoneos'
  54     arch = 'arm64'
  55     triple = 'aarch64-apple-darwin13'
  56     version_min = '-miphoneos-version-min=7.0'
  57
  58     prefix = "#ifdef __arm64__\n\n"
  59     suffix = "\n\n#endif"
  60     src_dir = 'aarch64'
  61     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  62
  63
  64 class desktop32_platform(Platform):
  65     directory = 'darwin_osx'
  66     sdk = 'macosx'
  67     arch = 'i386'
  68     triple = 'i386-apple-darwin10'
  69     version_min = '-mmacosx-version-min=10.6'
  70     src_dir = 'x86'
  71     src_files = ['sysv.S', 'ffi.c', 'internal.h']
  72
  73     prefix = "#ifdef __i386__\n\n"
  74     suffix = "\n\n#endif"
  75
  76
  77 class desktop64_platform(Platform):
  78     directory = 'darwin_osx'
  79     sdk = 'macosx'
  80     arch = 'x86_64'
  81     triple = 'x86_64-apple-darwin10'
  82     version_min = '-mmacosx-version-min=10.6'
  83
  84     prefix = "#ifdef __x86_64__\n\n"
  85     suffix = "\n\n#endif"
  86     src_dir = 'x86'
  87     src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
  88
  89
  90 def mkdir_p(path):
  91     try:
  92         os.makedirs(path)
  93     except OSError as exc:  # Python >2.5
  94         if exc.errno != errno.EEXIST:
  95             raise
  96
  97
  98 def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
  99     mkdir_p(dst_dir)
 100     out_filename = filename
 101
 102     if file_suffix:
 103         if filename in ['internal64.h', 'asmnames.h', 'internal.h']:
 104             out_filename = filename
 105         else:
 106             split_name = os.path.splitext(filename)
 107             out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
 108
 109     with open(os.path.join(src_dir, filename)) as in_file:
 110         with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
 111             if prefix:
 112                 out_file.write(prefix)
 113
 114             out_file.write(in_file.read())
 115
 116             if suffix:
 117                 out_file.write(suffix)
 118
 119
 120 def list_files(src_dir, pattern=None, filelist=None):
 121     if pattern: filelist = glob.iglob(os.path.join(src_dir, pattern))
 122     for file in filelist:
 123         yield os.path.basename(file)
 124
 125
 126 def copy_files(src_dir, dst_dir, pattern=None, filelist=None, file_suffix=None, prefix=None, suffix=None):
 127     for filename in list_files(src_dir, pattern=pattern, filelist=filelist):
 128         move_file(src_dir, dst_dir, filename, file_suffix=file_suffix, prefix=prefix, suffix=suffix)
 129
 130
 131 def copy_src_platform_files(platform):
 132     src_dir = os.path.join('src', platform.src_dir)
 133     dst_dir = os.path.join(platform.directory, 'src', platform.src_dir)
 134     copy_files(src_dir, dst_dir, filelist=platform.src_files, file_suffix=platform.arch, prefix=platform.prefix, suffix=platform.suffix)
 135
 136
 137 def build_target(platform, platform_headers):
 138     def xcrun_cmd(cmd):
 139         return 'xcrun -sdk %s %s -arch %s' % (platform.sdk, cmd, platform.arch)
 140
 141     tag='%s-%s' % (platform.sdk, platform.arch)
 142     build_dir = 'build_%s' % tag
 143     mkdir_p(build_dir)
 144     env = dict(CC=xcrun_cmd('clang'),
 145                LD=xcrun_cmd('ld'),
 146                CFLAGS='%s -fembed-bitcode' % (platform.version_min))
 147     working_dir = os.getcwd()
 148     try:
 149         os.chdir(build_dir)
 150         subprocess.check_call(['../configure', '-host', platform.triple], env=env)
 151     finally:
 152         os.chdir(working_dir)
 153
 154     for src_dir in [build_dir, os.path.join(build_dir, 'include')]:
 155         copy_files(src_dir,
 156                    os.path.join(platform.directory, 'include'),
 157                    pattern='*.h',
 158                    file_suffix=platform.arch,
 159                    prefix=platform.prefix,
 160                    suffix=platform.suffix)
 161
 162         for filename in list_files(src_dir, pattern='*.h'):
 163             platform_headers[filename].add((platform.prefix, platform.arch, platform.suffix))
 164
 165
 166 def generate_source_and_headers(generate_osx=True, generate_ios=True):
 167     copy_files('src', 'darwin_common/src', pattern='*.c')
 168     copy_files('include', 'darwin_common/include', pattern='*.h')
 169
 170     if generate_ios:
 171         copy_src_platform_files(simulator_platform)
 172         copy_src_platform_files(simulator64_platform)
 173         copy_src_platform_files(device_platform)
 174         copy_src_platform_files(device64_platform)
 175     if generate_osx:
 176         copy_src_platform_files(desktop64_platform)
 177
 178     platform_headers = collections.defaultdict(set)
 179
 180     if generate_ios:
 181         build_target(simulator_platform, platform_headers)
 182         build_target(simulator64_platform, platform_headers)
 183         build_target(device_platform, platform_headers)
 184         build_target(device64_platform, platform_headers)
 185     if generate_osx:
 186         build_target(desktop64_platform, platform_headers)
 187
 188     mkdir_p('darwin_common/include')
 189     for header_name, tag_tuples in platform_headers.items():
 190         basename, suffix = os.path.splitext(header_name)
 191         with open(os.path.join('darwin_common/include', header_name), 'w') as header:
 192             for tag_tuple in tag_tuples:
 193                 header.write('%s#include <%s_%s%s>\n%s\n' % (tag_tuple[0], basename, tag_tuple[1], suffix, tag_tuple[2]))
 194
 195 if __name__ == '__main__':
 196     parser = argparse.ArgumentParser()
 197     parser.add_argument('--only-ios', action='store_true', default=False)
 198     parser.add_argument('--only-osx', action='store_true', default=False)
 199     args = parser.parse_args()
 200
 201     generate_source_and_headers(generate_osx=not args.only_ios, generate_ios=not args.only_osx)