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      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=5.1.1'
     18 
     19     prefix = "#ifdef __i386__\n\n"
     20     suffix = "\n\n#endif"
     21     src_dir = 'x86'
     22     src_files = ['darwin.S', 'win32.S', 'ffi.c']
     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 = ['darwin64.S', 'ffi64.c']
     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=5.1.1'
     44 
     45     prefix = "#ifdef __arm__\n\n"
     46     suffix = "\n\n#endif"
     47     src_dir = 'arm'
     48     src_files = ['sysv.S', 'trampoline.S', 'ffi.c']
     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']
     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 = ['darwin.S', 'win32.S', 'ffi.c']
     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 = ['darwin64.S', 'ffi64.c']
     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             pass
     96         else:
     97             raise
     98 
     99 
    100 def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
    101     mkdir_p(dst_dir)
    102     out_filename = filename
    103 
    104     if file_suffix:
    105         split_name = os.path.splitext(filename)
    106         out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
    107 
    108     with open(os.path.join(src_dir, filename)) as in_file:
    109         with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
    110             if prefix:
    111                 out_file.write(prefix)
    112 
    113             out_file.write(in_file.read())
    114 
    115             if suffix:
    116                 out_file.write(suffix)
    117 
    118 
    119 def list_files(src_dir, pattern=None, filelist=None):
    120     if pattern: filelist = glob.iglob(os.path.join(src_dir, pattern))
    121     for file in filelist:
    122         yield os.path.basename(file)
    123 
    124 
    125 def copy_files(src_dir, dst_dir, pattern=None, filelist=None, file_suffix=None, prefix=None, suffix=None):
    126     for filename in list_files(src_dir, pattern=pattern, filelist=filelist):
    127         move_file(src_dir, dst_dir, filename, file_suffix=file_suffix, prefix=prefix, suffix=suffix)
    128 
    129 
    130 def copy_src_platform_files(platform):
    131     src_dir = os.path.join('src', platform.src_dir)
    132     dst_dir = os.path.join(platform.directory, 'src', platform.src_dir)
    133     copy_files(src_dir, dst_dir, filelist=platform.src_files, file_suffix=platform.arch, prefix=platform.prefix, suffix=platform.suffix)
    134 
    135 
    136 def build_target(platform, platform_headers):
    137     def xcrun_cmd(cmd):
    138         return 'xcrun -sdk %s %s -arch %s' % (platform.sdk, cmd, platform.arch)
    139 
    140     tag='%s-%s' % (platform.sdk, platform.arch)
    141     build_dir = 'build_%s' % tag
    142     mkdir_p(build_dir)
    143     env = dict(CC=xcrun_cmd('clang'),
    144                LD=xcrun_cmd('ld'),
    145                CFLAGS='%s' % (platform.version_min))
    146     working_dir = os.getcwd()
    147     try:
    148         os.chdir(build_dir)
    149         subprocess.check_call(['../configure', '-host', platform.triple], env=env)
    150     finally:
    151         os.chdir(working_dir)
    152 
    153     for src_dir in [build_dir, os.path.join(build_dir, 'include')]:
    154         copy_files(src_dir,
    155                    os.path.join(platform.directory, 'include'),
    156                    pattern='*.h',
    157                    file_suffix=platform.arch,
    158                    prefix=platform.prefix,
    159                    suffix=platform.suffix)
    160 
    161         for filename in list_files(src_dir, pattern='*.h'):
    162             platform_headers[filename].add((platform.prefix, platform.arch, platform.suffix))
    163 
    164 
    165 def make_tramp():
    166     with open('src/arm/trampoline.S', 'w') as tramp_out:
    167         p = subprocess.Popen(['bash', 'src/arm/gentramp.sh'], stdout=tramp_out)
    168         p.wait()
    169 
    170 
    171 def generate_source_and_headers(generate_osx=True, generate_ios=True):
    172     copy_files('src', 'darwin_common/src', pattern='*.c')
    173     copy_files('include', 'darwin_common/include', pattern='*.h')
    174 
    175     if generate_ios:
    176         make_tramp()
    177         copy_src_platform_files(simulator_platform)
    178         copy_src_platform_files(simulator64_platform)
    179         copy_src_platform_files(device_platform)
    180         copy_src_platform_files(device64_platform)
    181     if generate_osx:
    182         copy_src_platform_files(desktop32_platform)
    183         copy_src_platform_files(desktop64_platform)
    184 
    185     platform_headers = collections.defaultdict(set)
    186 
    187     if generate_ios:
    188         build_target(simulator_platform, platform_headers)
    189         build_target(simulator64_platform, platform_headers)
    190         build_target(device_platform, platform_headers)
    191         build_target(device64_platform, platform_headers)
    192     if generate_osx:
    193         build_target(desktop32_platform, platform_headers)
    194         build_target(desktop64_platform, platform_headers)
    195 
    196     mkdir_p('darwin_common/include')
    197     for header_name, tag_tuples in platform_headers.iteritems():
    198         basename, suffix = os.path.splitext(header_name)
    199         with open(os.path.join('darwin_common/include', header_name), 'w') as header:
    200             for tag_tuple in tag_tuples:
    201                 header.write('%s#include <%s_%s%s>\n%s\n' % (tag_tuple[0], basename, tag_tuple[1], suffix, tag_tuple[2]))
    202 
    203 if __name__ == '__main__':
    204     parser = argparse.ArgumentParser()
    205     parser.add_argument('--only-ios', action='store_true', default=False)
    206     parser.add_argument('--only-osx', action='store_true', default=False)
    207     args = parser.parse_args()
    208 
    209     generate_source_and_headers(generate_osx=not args.only_ios, generate_ios=not args.only_osx)
    210