src/native_client/src/untrusted/nacl/nacl.scons

   1 # -*- python -*-
   2 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6
   7 Import('env')
   8
   9 # NACL_GC_WRAP_SYSCALL uses ({...}) syntax.
  10 env.FilterOut(CCFLAGS=['-pedantic'])
  11 if env.Bit('bitcode'):
  12   # silence a warning when compiling malloc.c with clang
  13   # TODO(robertm): get rid of -allow-asm once we can distinguish
  14   #                real asms from those used for redirects.
  15   #                In this case:  asm("llvm.nacl.tp.tdb.offset")
  16   #                from src/untrusted/nacl/tls_params.h
  17   env.Append(CCFLAGS=['-Wno-self-assign', '-allow-asm'])
  18 # Sources are split into essentially one function per file to be in
  19 # alignment with the linker, which resolves symbols by including entire
  20 # object files.  Placing multiple definitions in one file may result in
  21 # object code bloat or possibly multiple definitions.
  22
  23 SRCS_NEWLIB_SYSCALL =  [
  24     'abort.c',
  25     'access.c',
  26     'chdir.c',
  27     'chmod.c',
  28     'clock.c',
  29     'clock_getres.c',
  30     'clock_gettime.c',
  31     'close.c',
  32     'dup.c',
  33     '_exit.c',
  34     'eaccess.c',
  35     'fchdir.c',
  36     'fchmod.c',
  37     'fdatasync.c',
  38     'fstat.c',
  39     'fsync.c',
  40     'ftruncate.c',
  41     'getcwd.c',
  42     'getdents.c',
  43     'gethostname.c',
  44     'getpagesize.c',
  45     'getpid.c',
  46     'gettimeofday.c',
  47     'htonl.c',
  48     'htons.c',
  49     'isatty.c',
  50     'link.c',
  51     'lock.c',
  52     'lseek.c',
  53     'lstat.c',
  54     'mkdir.c',
  55     'mmap.c',
  56     'mprotect.c',
  57     'munmap.c',
  58     'nanosleep.c',
  59     'nacl_ext_supply.c',
  60     'nacl_interface_query.c',
  61     'nacl_irt_fdio.c',
  62     'nacl_irt_filename.c',
  63     'ntohl.c',
  64     'ntohs.c',
  65     'open.c',
  66     'read.c',
  67     'readlink.c',
  68     'rename.c',
  69     'rmdir.c',
  70     'sbrk.c',
  71     'sched_yield.c',
  72     'sigblock.c',
  73     'siggetmask.c',
  74     'sigmask.c',
  75     'sigprocmask.c',
  76     'sigsetmask.c',
  77     'stat.c',
  78     'symlink.c',
  79     'sysconf.c',
  80     'truncate.c',
  81     'unlink.c',
  82     'utimes.c',
  83     'write.c',
  84 ]
  85
  86 SRCS_NEWLIB_STUBS = [
  87     'stubs/_execve.c',
  88     'stubs/accept.c',
  89     'stubs/addmntent.c',
  90     'stubs/bind.c',
  91     'stubs/chown.c',
  92     'stubs/closelog.c',
  93     'stubs/connect.c',
  94     'stubs/endgrent.c',
  95     'stubs/endmntent.c',
  96     'stubs/endpwent.c',
  97     'stubs/environ.c',
  98     'stubs/execvpe.c',
  99     'stubs/fchown.c',
 100     'stubs/fcntl.c',
 101     'stubs/fork.c',
 102     'stubs/freeaddrinfo.c',
 103     'stubs/fstatvfs.c',
 104     'stubs/gai_strerror.c',
 105     'stubs/get_current_dir_name.c',
 106     'stubs/getaddrinfo.c',
 107     'stubs/getdtablesize.c',
 108     'stubs/getegid.c',
 109     'stubs/geteuid.c',
 110     'stubs/getgid.c',
 111     'stubs/getgrent.c',
 112     'stubs/getgrgid.c',
 113     'stubs/getgrgid_r.c',
 114     'stubs/getgrnam.c',
 115     'stubs/getgroups.c',
 116     'stubs/gethostbyaddr.c',
 117     'stubs/gethostbyname.c',
 118     'stubs/getlogin.c',
 119     'stubs/getmntent.c',
 120     'stubs/getnameinfo.c',
 121     'stubs/getpeername.c',
 122     'stubs/getpgrp.c',
 123     'stubs/getppid.c',
 124     'stubs/getpwent.c',
 125     'stubs/getpwnam.c',
 126     'stubs/getpwnam_r.c',
 127     'stubs/getpwuid.c',
 128     'stubs/getpwuid_r.c',
 129     'stubs/getrlimit.c',
 130     'stubs/getrusage.c',
 131     'stubs/getservbyport.c',
 132     'stubs/getsockname.c',
 133     'stubs/getsockopt.c',
 134     'stubs/getuid.c',
 135     'stubs/getwd.c',
 136     'stubs/hasmntopt.c',
 137     'stubs/if_freenameindex.c',
 138     'stubs/if_indextoname.c',
 139     'stubs/if_nameindex.c',
 140     'stubs/if_nametoindex.c',
 141     'stubs/inet_ntoa.c',
 142     'stubs/inet_ntop.c',
 143     'stubs/initgroups.c',
 144     'stubs/ioctl.c',
 145     'stubs/issetugid.c',
 146     'stubs/kill.c',
 147     'stubs/lchown.c',
 148     'stubs/listen.c',
 149     'stubs/llseek.c',
 150     'stubs/major.c',
 151     'stubs/makedev.c',
 152     'stubs/minor.c',
 153     'stubs/mkfifo.c',
 154     'stubs/mknod.c',
 155     'stubs/msync.c',
 156     'stubs/openlog.c',
 157     'stubs/pipe.c',
 158     'stubs/poll.c',
 159     'stubs/pselect.c',
 160     'stubs/pthread_sigmask.c',
 161     'stubs/readv.c',
 162     'stubs/recv.c',
 163     'stubs/recvfrom.c',
 164     'stubs/recvmsg.c',
 165     'stubs/sched_get_priority_max.c',
 166     'stubs/sched_get_priority_min.c',
 167     'stubs/sched_setparam.c',
 168     'stubs/sched_setscheduler.c',
 169     'stubs/select.c',
 170     'stubs/send.c',
 171     'stubs/sendmsg.c',
 172     'stubs/sendto.c',
 173     'stubs/setegid.c',
 174     'stubs/seteuid.c',
 175     'stubs/setgid.c',
 176     'stubs/setgrent.c',
 177     'stubs/setgroups.c',
 178     'stubs/setmntent.c',
 179     'stubs/setpgid.c',
 180     'stubs/setpwent.c',
 181     'stubs/setrlimit.c',
 182     'stubs/setsid.c',
 183     'stubs/setsockopt.c',
 184     'stubs/settimeofday.c',
 185     'stubs/setuid.c',
 186     'stubs/shutdown.c',
 187     'stubs/sigaction.c',
 188     'stubs/signal.c',
 189     'stubs/sigsuspend.c',
 190     'stubs/sigvec.c',
 191     'stubs/socket.c',
 192     'stubs/socketpair.c',
 193     'stubs/statvfs.c',
 194     'stubs/syslog.c',
 195     'stubs/tcdrain.c',
 196     'stubs/tcflow.c',
 197     'stubs/tcflush.c',
 198     'stubs/tcgetattr.c',
 199     'stubs/tcsendbreak.c',
 200     'stubs/tcsetattr.c',
 201     'stubs/times.c',
 202     'stubs/ttyname.c',
 203     'stubs/ttyname_r.c',
 204     'stubs/umask.c',
 205     'stubs/utime.c',
 206     'stubs/vfork.c',
 207     'stubs/wait.c',
 208     'stubs/waitpid.c',
 209 ]
 210
 211 SRCS_NEWLIB_MISC = [
 212     'malloc.c',        # malloc wrapper
 213     'stacktrace.c',    # stack tracing for use with "-finstrument"
 214     'start.c',         # contains _start, preventing us from making this a .so
 215     'nacl_add_tp.c',
 216     'nacl_read_tp.c',
 217     'pthread_initialize_minimal.c',
 218     'pthread_stubs.c', # weak version of __pthread_initialize
 219     'tls.c',
 220 ]
 221
 222
 223 # used by both glibc and newlib
 224 SRCS_NACL_EXTENSIONS = [
 225     'gc_hooks.c',
 226     'nacl_irt.c',
 227     'nacl_irt_init.c',
 228     'nacl_tls_get.c',
 229     'nacl_tls_init.c',
 230     'random.c',
 231     ]
 232
 233 if env.Bit('nacl_glibc'):
 234   # For nacl-glibc, the standard interfaces are provided by glibc, so
 235   # we do not build them here.
 236   sources = SRCS_NACL_EXTENSIONS
 237 else:
 238   sources = (SRCS_NACL_EXTENSIONS +
 239              SRCS_NEWLIB_SYSCALL +
 240              SRCS_NEWLIB_STUBS +
 241              SRCS_NEWLIB_MISC)
 242   if env.Bit('target_arm') and not env.Bit('bitcode'):
 243     sources.append('aeabi_read_tp.S')
 244
 245 # Do not make a shared version of libnacl.
 246 libnacl = env.ComponentLibrary('libnacl', sources)
 247
 248 env.AddLibraryToSdk(libnacl)
 249 header_install = env.AddHeaderToSdk([
 250     'nacl_random.h', 'nacl_startup.h', 'nacl_thread.h'])
 251 env.Requires('libnacl', header_install)
 252
 253 libnacl_dyncode = env.NaClSdkLibrary('libnacl_dyncode', ['dyncode.c'])
 254 env.AddLibraryToSdk(libnacl_dyncode)
 255 env.AddHeaderToSdk(['nacl_dyncode.h'])
 256 env.ComponentLibrary('libnacl_dyncode_private', ['dyncode_private.c'])
 257
 258 libnacl_exception = env.NaClSdkLibrary('libnacl_exception',
 259                                        ['nacl_exception.c'])
 260 env.AddLibraryToSdk(libnacl_exception)
 261 env.ComponentLibrary('libnacl_exception_private', ['nacl_exception_private.c'])
 262
 263 libnacl_list_mappings = env.NaClSdkLibrary(
 264     'libnacl_list_mappings', ['list_mappings.c'])
 265 env.AddLibraryToSdk(libnacl_list_mappings)
 266 env.AddHeaderToSdk(['nacl_list_mappings.h'])
 267 env.ComponentLibrary(
 268     'libnacl_list_mappings_private', ['list_mappings_private.c'])
 269
 270 env.ComponentLibrary(
 271     'libnacl_random_private',
 272     [env.ComponentObject('irt_random',
 273                          '${MAIN_DIR}/src/untrusted/irt/irt_random.c'),
 274      env.ComponentObject('irt_nameservice',
 275                          '${MAIN_DIR}/src/untrusted/irt/irt_nameservice.c')])
 276
 277
 278 imc_syscalls = [
 279     'imc_accept.c',
 280     'imc_connect.c',
 281     'imc_makeboundsock.c',
 282     'imc_mem_obj_create.c',
 283     'imc_recvmsg.c',
 284     'imc_sendmsg.c',
 285     'imc_socketpair.c',
 286     'nameservice.c',
 287     ]
 288
 289 libimc_syscalls = env.NaClSdkLibrary('libimc_syscalls', imc_syscalls)
 290
 291 sys_private = [
 292     'null.c',
 293     'sysbrk.c',
 294     ]
 295
 296 if not env.Bit('nacl_glibc'):
 297   sys_private.append(env.ComponentObject(
 298       'private_blockhook', '${MAIN_DIR}/src/untrusted/irt/irt_blockhook.c'))
 299   # We must combine these all into a single .o file so that there is no
 300   # danger of some of this code not being brought in from the archive, and
 301   # later getting the IRT-based versions from libnacl instead.
 302   #
 303   # For example, suppose mmap() were in a separate mmap.o file in
 304   # libnacl_sys_private.o.  If your test calls only malloc() (defined in
 305   # -lc) and malloc() is the only caller of mmap(), then when processing
 306   # -lsys_private (before -lc) the linker will omit mmap.o, and only when
 307   # processing -lc (which implicitly includes -lnacl) will it try to pull
 308   # in some definition of mmap()--so it will get the libnacl one instead of
 309   # the libnacl_sys_private one.  Putting everything important into a
 310   # single .o file avoids this scenario.
 311   private_combine = [env.ComponentObject(module, '%s.c' % module)
 312                      for module in ['gc_hooks_private',
 313                                     'sys_private']]
 314   sys_private.append(env.Command('combined_private${OBJSUFFIX}',
 315                                  private_combine,
 316                                  '${LD} -relocatable -o ${TARGET} ${SOURCES}'))
 317
 318 if not env.Bit('nonsfi_nacl'):
 319   env.ComponentLibrary('libnacl_sys_private', sys_private)