src/native_client/tests/toolchain/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 Import('env')
   7
   8 # force inclusion of entire library, so that we can validate it
   9 # NOTE: This approach does not work for -lc because of tons of
  10 #       undefined symbols which would have to be stubbed out
  11 DEP_LIBS = ['nacl', 'srpc', 'imc_syscalls', 'platform', 'gio', 'pthread', 'm']
  12
  13 # -lgcc is not exposed to the bitcode in PNaCl
  14 if env.Bit('bitcode'):
  15   LIBGCC = []
  16 else:
  17   LIBGCC = ['-lgcc']
  18
  19 DEP_LINKFLAGS = (['-Wl,--whole-archive'] + LIBGCC +
  20                    ['-l' + name for name in DEP_LIBS] +
  21                    ['-Wl,--no-whole-archive'])
  22
  23 # TODO(robertm): get rid of -allow-asm once we can distinguish
  24 #                real asms from the redirect ones used here
  25 if env.Bit('bitcode'):
  26   env.Append(CCFLAGS=['-allow-asm'])
  27
  28 # Test C++11 code with both supported C++ standard libraries.
  29 cpp11_libs = ['libstdc++', 'libc++']
  30 cpp11_envs = {}
  31 for lib in cpp11_libs:
  32   cpp11_envs[lib] = env.Clone()
  33   cpp11_envs[lib].Append(CCFLAGS=['-std=c++11', '-stdlib=' + lib])
  34   cpp11_envs[lib].Append(LINKFLAGS=['-stdlib=' + lib])
  35
  36 # All the libraries were already included via -l switches in LINKFLAGS.
  37 # But we use them again in LIBS so scons knows about the dependencies.
  38 # _LIBFLAGS is the internal variable that puts the expansion of LIBS
  39 # into the command line; so by clearing that, we prevent scons from
  40 # adding repeated -l switches at the end of the link.
  41 nexe = env.ComponentProgram('dummy', 'dummy.c',
  42                             EXTRA_LINKFLAGS=DEP_LINKFLAGS,
  43                             LIBS=DEP_LIBS,
  44                             _LIBFLAGS='')
  45 node = env.CommandValidatorTestNacl('whole_archive_test.out',
  46                                     image=nexe)
  47 env.AddNodeToTestSuite(node,
  48                        ['toolchain_tests', 'small_tests'],
  49                        'run_whole_archive_test',
  50                        # The old ncval doesn't like the new linker's style
  51                        # of padding the code segment.  TODO(mcgrathr):
  52                        # Remove this is_broken= when we the old ncval is no
  53                        # longer ever built and used for this test.
  54                        is_broken=(env.Bit('target_x86') and
  55                                   not env.Bit('validator_ragel')))
  56
  57
  58 def AddIntrinsicTest(test_env, src, exit_status,
  59                      golden_file=None, test_suffix='', is_broken=False,
  60                      EXTRA_LIBS=[]):
  61   name = src.split('.')[0]
  62   name += test_suffix
  63
  64   obj = test_env.ComponentObject(name, src)
  65   nexe = test_env.ComponentProgram(
  66       name, obj, EXTRA_LIBS=['${NONIRT_LIBS}'] + EXTRA_LIBS)
  67   node = test_env.CommandSelLdrTestNacl(name + '.out',
  68                                         nexe,
  69                                         exit_status=exit_status,
  70                                         stdout_golden=golden_file)
  71   test_env.AddNodeToTestSuite(node,
  72                               ['toolchain_tests','small_tests'],
  73                               'run_' + name + '_test',
  74                               is_broken=is_broken)
  75
  76
  77 # Test various intrinsics.
  78 AddIntrinsicTest(env, 'intrinsics.cc', '55'),
  79 AddIntrinsicTest(env, 'float2.c', '0', golden_file=env.File('float2.stdout'))
  80 AddIntrinsicTest(env, 'synchronization_sync.c', '0',
  81                  # TODO(jfb) Blocked on bugs 3579 and 2981. This should
  82                  # work on PNaCl because it avoids the broken 16-bit
  83                  # instructions on x86-32 by using 32-bit instructions.
  84                  # The test also exercises instructions that confuse valgrind.
  85                  is_broken=((env.Bit('target_x86_32') and
  86                              not env.Bit('bitcode')) or
  87                             env.IsRunningUnderValgrind()))
  88 AddIntrinsicTest(env, 'synchronization_volatile.c', '0')
  89 if env.Bit('bitcode'):
  90   # The following tests were only made to work on LLVM for
  91   # PNaCl. Command-line flags and libraries need to be updated for GCC
  92   # support.
  93   # pthread is needed when building with libc++.
  94   for lib in cpp11_envs:
  95     AddIntrinsicTest(cpp11_envs[lib], 'condition_variable_cpp11.cc', '0',
  96                      test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
  97     AddIntrinsicTest(cpp11_envs[lib], 'future_cpp11.cc', '0',
  98                      test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
  99     AddIntrinsicTest(cpp11_envs[lib], 'mutex_cpp11.cc', '0',
 100                      test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
 101     AddIntrinsicTest(cpp11_envs[lib], 'synchronization_cpp11.cc', '0',
 102                      test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
 103     AddIntrinsicTest(cpp11_envs[lib], 'thread_cpp11.cc', '0',
 104                      test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
 105     if lib != 'libstdc++':
 106       # TODO(jfb) Can't compile with libstdc++.
 107       AddIntrinsicTest(cpp11_envs[lib], 'long_double_cpp11.cc', '0',
 108                        test_suffix=lib, EXTRA_LIBS=['${PTHREAD_LIBS}'])
 109
 110 # This test redirects C function calls to llvm instrinsic functions,
 111 # so they only work w/ PNaCl.
 112 if env.Bit('bitcode'):
 113   AddIntrinsicTest(env, 'llvm_bitmanip_intrinsics.c', '0',
 114                    golden_file=env.File('llvm_bitmanip_intrinsics.stdout'))
 115   AddIntrinsicTest(env, 'llvm_math_intrinsics.c', '0',
 116                    golden_file=env.File('llvm_math_intrinsics.stdout'))
 117   # Also test the math functions with -ffast-math, so we are a tiny bit more
 118   # confident that sin() or __builtin_sin() doesn't get turned into
 119   # something like llvm.sin.f64.
 120   fastmath_env = env.Clone()
 121   fastmath_env.Append(CCFLAGS=['-ffast-math'])
 122   AddIntrinsicTest(fastmath_env, 'llvm_math_intrinsics.c', '0',
 123                    golden_file=env.File('llvm_math_intrinsics.stdout'),
 124                    test_suffix='_fast_math')
 125
 126 # Some of the intrinsic tests cover intrinsics that we do not want to
 127 # support. For example, llvm.frameaddress. If that is the case, we will
 128 # use the nonstable_env as our test_env in AddIntrinsicTest.
 129 nonstable_env = env.Clone()
 130 if env.Bit('bitcode'):
 131   nonstable_env.Append(LINKFLAGS=['--pnacl-disable-abi-check'])
 132 if nonstable_env.AllowNonStableBitcode():
 133   # Consider llvm.frameaddress and llvm.returnaddress non-stable,
 134   # since we may want to hide return and stack addresses in the future.
 135   AddIntrinsicTest(nonstable_env, 'frame_addresses.c', '0'),
 136   AddIntrinsicTest(nonstable_env, 'return_address.c', '55')
 137
 138
 139 # initfini test
 140 initfini_obj = env.ComponentObject('initfini.c')
 141
 142 def AddInitFiniTest(env, name, extra_libs):
 143   nexe = env.ComponentProgram(name,
 144                               [initfini_obj],
 145                               EXTRA_LIBS=extra_libs + ['${NONIRT_LIBS}'])
 146   golden_file = env.File(name + '.stdout')
 147   node = env.CommandSelLdrTestNacl(name + '.out',
 148                                    nexe,
 149                                    stdout_golden=golden_file)
 150   # This test checks the ".init_array" and ".fini_array" sections,
 151   # which are an internal detail of how the toolchain works.  We do
 152   # not support these sections in PNaCl's static linking ABI, because
 153   # PNaCl connects up initializers at bitcode linking time.  PNaCl
 154   # does support __attribute__((constructor)) and
 155   # __attribute__((destructor)) which are tested via
 156   # run_initfini_attributes_test below.
 157   is_broken = env.Bit('bitcode') and env.Bit('nacl_static_link')
 158   env.AddNodeToTestSuite(node,
 159                          ['toolchain_tests', 'small_tests'],
 160                          'run_' + name + '_test',
 161                          is_broken=is_broken)
 162
 163 AddInitFiniTest(env, 'initfini_static', [])
 164 if env.Bit('nacl_glibc') and not env.Bit('nacl_disable_shared'):
 165   # Additional case: Add initfini_shared.c as a shared object.
 166   # For a shared object, the init/fini arrays are executed by
 167   # the dynamic loader. This exercises a different code path.
 168   env.NaClSdkLibrary('initfini_s', 'initfini_shared.c')
 169   AddInitFiniTest(env, 'initfini_shared', ['initfini_s'])
 170
 171
 172 nexe = env.ComponentProgram(
 173     'initfini_attributes', ['initfini_attributes.c'],
 174     EXTRA_LIBS=['${NONIRT_LIBS}'])
 175 node = env.CommandSelLdrTestNacl(
 176     'initfini_attributes.out', nexe,
 177     stdout_golden=env.File('initfini_attributes.stdout'))
 178 env.AddNodeToTestSuite(
 179     node, ['toolchain_tests', 'small_tests'],
 180     'run_initfini_attributes_test',
 181     # __attribute__((destructor)) is broken in nacl-glibc on x86-64.
 182     # See http://code.google.com/p/nativeclient/issues/detail?id=3056
 183     # TODO(mseaborn): Enable this test there when this is fixed.
 184     is_broken=env.Bit('nacl_glibc') and env.Bit('target_x86_64'))
 185
 186
 187 bias_env = env.Clone()
 188 # PNaCl bias is needed until __jmp_buf (defined in bits/setjmp.h) has
 189 # the same size on X86-32 and X86-64.
 190 # BUG= http://code.google.com/p/nativeclient/issues/detail?id=2490
 191 if env.Bit('bitcode'):
 192   bias_env.AddBiasForPNaCl()
 193 nexe = bias_env.ComponentProgram('pthread_cleanup', 'pthread_cleanup.c',
 194                                  EXTRA_LIBS=['${PTHREAD_LIBS}',
 195                                              '${NONIRT_LIBS}'])
 196 node = bias_env.CommandSelLdrTestNacl('pthread_cleanup.out', nexe)
 197 bias_env.AddNodeToTestSuite(node, ['toolchain_tests', 'small_tests'],
 198                             'run_pthread_cleanup_test')
 199
 200
 201 # NOTE: the tests below break easily under valgrid and since
 202 #       they do not exercise malloc/free we exclude
 203 if env.IsRunningUnderValgrind():
 204   Return()
 205
 206
 207 # NOTE: we assume that the incoming env contains '-O2', '-fomit-frame-pointer'
 208 def MakeEnv(env, use_opts, use_frames):
 209   new_env = env.Clone()
 210   # AddBiasForPNaCl() is only needed for stack_frame.cc and eh_return.c.
 211   if new_env.Bit('bitcode'):
 212     new_env.AddBiasForPNaCl()
 213   new_env.FilterOut(CFLAGS=['-pedantic'])
 214   new_env.FilterOut(CCFLAGS=['-pedantic'])
 215   if use_frames:
 216     new_env.FilterOut(CFLAGS=['-fomit-frame-pointer'])
 217     new_env.FilterOut(CCFLAGS=['-fomit-frame-pointer'])
 218     if env.Bit('bitcode'):
 219       # To use frame pointers for PNaCl, we need to change the translate-flags.
 220       new_env.Append(TRANSLATEFLAGS=[
 221           '--pnacl-driver-set-LLC_FLAGS_EXTRA=-disable-fp-elim'])
 222   else:
 223     new_env.Append(CFLAGS=['-fomit-frame-pointer'])
 224     new_env.Append(CCFLAGS=['-fomit-frame-pointer'])
 225   if use_opts:
 226     new_env.Append(CFLAGS=['-O2'])
 227     new_env.Append(CCFLAGS=['-O2'])
 228   else:
 229     new_env.FilterOut(CFLAGS=['-O2'])
 230     new_env.FilterOut(CCFLAGS=['-O2'])
 231     new_env.FilterOut(LINKFLAGS=['-O3'])
 232   return new_env
 233
 234 EH_ENVIRONMENTS_TO_TRY = []
 235
 236 base_eh_env = env.Clone()
 237 supports_cxx11 = env.Bit('bitcode') or env.Bit('target_arm')
 238 base_eh_env.Append(CPPDEFINES=[['SUPPORTS_CXX11', str(int(supports_cxx11))]])
 239 if supports_cxx11:
 240   # This flag is necessary for testing std::rethrow_exception(), at
 241   # least when using libstdc++.
 242   base_eh_env.Append(CXXFLAGS=['-std=gnu++11'])
 243
 244 if env.Bit('bitcode') and env['TOOLCHAIN_FEATURE_VERSION'] >= 1:
 245   for lib in ('libstdc++', 'libc++'):
 246     sjlj_eh_env = base_eh_env.Clone()
 247     sjlj_eh_env.Append(LINKFLAGS=['--pnacl-exceptions=sjlj',
 248                                   '-stdlib=%s' % lib])
 249     sjlj_eh_env.Append(CCFLAGS=['-stdlib=%s' % lib])
 250     EH_ENVIRONMENTS_TO_TRY.append(('sjlj_%s' % lib, sjlj_eh_env))
 251
 252 if env.Bit('bitcode'):
 253   zerocost_eh_env = base_eh_env.Clone()
 254   zerocost_eh_env.Append(LINKFLAGS=['--pnacl-allow-exceptions'])
 255   zerocost_eh_env.Append(TRANSLATEFLAGS=['--pnacl-allow-exceptions'])
 256 else:
 257   zerocost_eh_env = base_eh_env
 258 # Zero-cost C++ exception handling is not currently supported in
 259 # PNaCl's stable ABI.
 260 if zerocost_eh_env.AllowNonStableBitcode():
 261   EH_ENVIRONMENTS_TO_TRY.extend(
 262       [('noopt_frame', MakeEnv(zerocost_eh_env, False, True)),
 263        ('noopt_noframe', MakeEnv(zerocost_eh_env, False, False)),
 264        ('opt_frame', MakeEnv(zerocost_eh_env, True, True)),
 265        ('opt_noframe', MakeEnv(zerocost_eh_env, True, False))])
 266
 267 for tag, env_to_try in EH_ENVIRONMENTS_TO_TRY:
 268   for src in ['stack_frame.cc',
 269               'eh_return.c',
 270               'eh_virtual_dtor.cc',
 271               'eh_loop_single.cc',
 272               'eh_loop_many.cc',
 273               'eh_catch_many.cc',
 274               'eh_loop_break.cc',
 275               'eh_floating_point.cc',
 276               'eh_uncaught_exception.cc',
 277               'eh_throw_tests.cc',
 278               ]:
 279
 280     if not env.Bit('bitcode') and src in ['eh_return.c']:
 281       # for some reason gcc does not allow us to use
 282       #  __builtin_eh_return
 283       continue
 284
 285     is_broken = False
 286     if (env.Bit('bitcode') and
 287         env.Bit('pnacl_generate_pexe') and
 288         src in ['stack_frame.cc', 'eh_return.c']):
 289       # stack_frame.cc and eh_return.c have bias see above
 290       is_broken = True
 291
 292     if not env.Bit('bitcode') and src in ['stack_frame.cc']:
 293       # This test makes pnacl specific assumptions which
 294       # may not hold for the nacl-gcc TC
 295       is_broken = True
 296
 297     # The following tests don't work as PNaCl ABI-stable pexes.
 298     non_abi_stable_tests = [
 299         'eh_floating_point.cc', # Uses vector types
 300         'stack_frame.cc', # Uses llvm.eh.dwarf.cfa
 301         'eh_return.c', # Uses llvm.eh.dwarf.cfa, and llvm.eh.return.i32
 302         ]
 303     if tag.startswith('sjlj_') and src in non_abi_stable_tests:
 304       continue
 305
 306     if '--pnacl-exceptions=sjlj' in env_to_try['LINKFLAGS']:
 307       if (src == 'eh_uncaught_exception.cc' and
 308           env_to_try['TOOLCHAIN_FEATURE_VERSION'] < 2):
 309         is_broken = True
 310       if (src == 'eh_throw_tests.cc' and
 311           env_to_try['TOOLCHAIN_FEATURE_VERSION'] < 3):
 312         is_broken = True
 313
 314     name = src.split('.')[0] + '_' + tag
 315     nobj = env_to_try.ComponentObject(name + '.o', src)
 316     nexe = env_to_try.ComponentProgram(name, nobj,
 317                                        EXTRA_LIBS=['${NONIRT_LIBS}'])
 318     node = env_to_try.CommandSelLdrTestNacl(name + '.out',
 319                                             nexe,
 320                                             exit_status='55')
 321     env_to_try.AddNodeToTestSuite(
 322         node, ['eh_tests', 'toolchain_tests', 'small_tests'],
 323         'run_' + name  +'_test', is_broken=is_broken)
 324
 325
 326 # Test that Exception Handling works with the calling conventions that
 327 # match the PPAPI PNaCl IRT shim's calling conventions.
 328 exc_env = env.Clone()
 329 if exc_env.Bit('bitcode') and exc_env.AllowNonStableBitcode():
 330   # Test what happens when all objects are bitcode w/ bitcode linking.
 331   exc_env.Append(LINKFLAGS=['--pnacl-allow-exceptions'])
 332   exc_env.Append(TRANSLATEFLAGS=['--pnacl-allow-exceptions'])
 333   bobj1 = exc_env.ComponentObject('eh_separate_files1_bc.o',
 334                                   'eh_separate_files1.cc')
 335   bobj2 = exc_env.ComponentObject('eh_separate_files2_bc.o',
 336                                   'eh_separate_files2.cc')
 337   nexe = exc_env.ComponentProgram('eh_separate_files_bc',
 338                                   [bobj1, bobj2],
 339                                   EXTRA_LIBS=['${NONIRT_LIBS}'])
 340   node = exc_env.CommandSelLdrTestNacl('eh_separate_files_bc.out',
 341                                        nexe,
 342                                        exit_status='55')
 343   env.AddNodeToTestSuite(node, ['toolchain_tests', 'small_tests'],
 344                          'run_eh_separate_files_bc_test')
 345   # Also test ahead of time translation, which may be used when debugging.
 346   if not env.Bit('pnacl_generate_pexe'):
 347     native_env = exc_env.Clone()
 348     native_env.PNaClForceNative()
 349     testsuite = ['toolchain_tests', 'small_tests', 'nonpexe_tests']
 350     nobj1 = native_env.ComponentObject('eh_separate_files1_native.o',
 351                                        'eh_separate_files1.cc')
 352     nobj2 = native_env.ComponentObject('eh_separate_files2_native.o',
 353                                        'eh_separate_files2.cc')
 354     nexe = native_env.ComponentProgram('eh_separate_files_native',
 355                                        [nobj1, nobj2],
 356                                        EXTRA_LIBS=['${NONIRT_LIBS}'])
 357     node = native_env.CommandSelLdrTestNacl('eh_separate_files_native.out',
 358                                             nexe,
 359                                             exit_status='55')
 360     env.AddNodeToTestSuite(node,
 361                            testsuite,
 362                            'run_eh_separate_files_native_test')
 363     # Test mixed objects, one native, one bitcode.
 364     nexe = native_env.ComponentProgram('eh_separate_files_mixed1',
 365                                        [bobj1, nobj2],
 366                                        EXTRA_LIBS=['${NONIRT_LIBS}'])
 367     node = native_env.CommandSelLdrTestNacl('eh_separate_files_mixed1.out',
 368                                             nexe,
 369                                             exit_status='55')
 370     env.AddNodeToTestSuite(node,
 371                            testsuite,
 372                            'run_eh_separate_files_mixed1_test')
 373     # Test having the bitcode and native objects swapped.
 374     nexe = native_env.ComponentProgram('eh_separate_files_mixed2',
 375                                        [nobj1, bobj2],
 376                                        EXTRA_LIBS=['${NONIRT_LIBS}'])
 377     node = native_env.CommandSelLdrTestNacl('eh_separate_files_mixed2.out',
 378                                             nexe,
 379                                             exit_status='55')
 380     env.AddNodeToTestSuite(node,
 381                            testsuite,
 382                            'run_eh_separate_files_mixed2_test')
 383
 384
 385
 386 abi_types_nexe = env.ComponentProgram('abi_types',
 387                                       'abi_types.cc',
 388                                       EXTRA_LIBS=['${NONIRT_LIBS}'])
 389
 390 node = env.CommandSelLdrTestNacl('abi_types_test.out',
 391                                  abi_types_nexe)
 392 env.AddNodeToTestSuite(node,
 393                        ['toolchain_tests', 'small_tests'],
 394                        'run_abi_types_test')
 395
 396 getpagesize_test_nexe = env.ComponentProgram(
 397     'getpagesize_test', 'getpagesize_test.c',
 398     EXTRA_LIBS=['${NONIRT_LIBS}'])
 399 node = env.CommandSelLdrTestNacl('getpagesize_test.out', getpagesize_test_nexe)
 400 env.AddNodeToTestSuite(node, ['toolchain_tests', 'small_tests'],
 401                        'run_getpagesize_test')
 402
 403
 404 # Test that local variable dwarf info is preserved with linking and LTO.
 405 # Force '-g' on in case it was not turned on for some reason, and lower
 406 # optimization settings to prevent some optimizations that would convert
 407 # locals from llvm allocas to registers.
 408 # We may be able to remove this test once LLVM has an upstream regression test.
 409 debug_env = env.Clone()
 410 debug_env.Append(CFLAGS=['-g', '-O0'])
 411 debug_env.Append(CCFLAGS=['-g', '-O0'])
 412 debug_env.Append(LINKFLAGS=['-O0'])
 413 # This requires preserving nonstable bitcode debug metadata.
 414 if debug_env.AllowNonStableBitcode():
 415   dwarf_local_var_nexe = debug_env.ComponentProgram(
 416       'dwarf_local_var',
 417       ['dwarf_local_var.c',
 418        'dwarf_local_var_dummy.c'],
 419       EXTRA_LIBS=['${NONIRT_LIBS}'])
 420   # Sanity-check -- make sure it runs.
 421   node = debug_env.CommandSelLdrTestNacl('dwarf_local_var_run.out',
 422                                          dwarf_local_var_nexe,
 423                                          exit_status=55)
 424   debug_env.AddNodeToTestSuite(node,
 425                                ['toolchain_tests', 'small_tests'],
 426                                'run_dwarf_local_var_run_test')
 427   node = debug_env.CommandTestFileDumpCheck('dwarf_local_var_objdump.out',
 428                                             dwarf_local_var_nexe,
 429                                             debug_env.File('dwarf_local_var.c'),
 430                                             '-W')
 431   debug_env.AddNodeToTestSuite(node,
 432                                ['small_tests', 'toolchain_tests'],
 433                                'run_dwarf_local_var_objdump_test')
 434
 435 if env.Bit('nacl_glibc'):
 436   nexe = env.ComponentProgram('byteswap64', 'byteswap64.c',
 437                               EXTRA_LIBS=['${NONIRT_LIBS}'])
 438   node = env.CommandSelLdrTestNacl('byteswap64.out', nexe)
 439   env.AddNodeToTestSuite(node,
 440                          ['toolchain_tests', 'small_tests'],
 441                          'run_byteswap64_test')
 442
 443 if env.Bit('nacl_glibc') or not env.Bit('bitcode'):
 444   def AddAlignedCodeTest(name, object_file):
 445     node = env.CommandTest(name + '.out',
 446                            ['${PYTHON}', env.File('aligned_code.py'),
 447                             '${OBJDUMP}', nexe],
 448                            # don't run ${PYTHON} under the emulator.
 449                            direct_emulation=False)
 450     env.AddNodeToTestSuite(node,
 451                            ['toolchain_tests', 'small_tests'],
 452                            'run_' + name + '_test')
 453   AddAlignedCodeTest('aligned_code',
 454                      env.ComponentProgram('aligned_code', ['aligned_code.c'],
 455                                           EXTRA_LIBS=['${NONIRT_LIBS}']))
 456   if not env.Bit('nacl_disable_shared'):
 457     AddAlignedCodeTest('aligned_code_lib',
 458                        env.NaClSharedLibrary('aligned_code_lib',
 459                                              ['aligned_code_lib.c']))
 460
 461 nexe = env.ComponentProgram('method_pointer_repr', 'method_pointer_repr.cc',
 462                             EXTRA_LIBS=['${NONIRT_LIBS}'])
 463 node = env.CommandSelLdrTestNacl('method_pointer_repr.out', nexe)
 464 env.AddNodeToTestSuite(node, ['toolchain_tests', 'small_tests'],
 465                        'run_method_pointer_repr_test')
 466
 467 c99_env = env.Clone()
 468 c99_env.Append(CFLAGS=['-std=c99'])
 469 # VLA test is broken on nacl-gcc x86-64 (segfaults in test_two_recursion()).
 470 # http://code.google.com/p/nativeclient/issues/detail?id=3527
 471 vla_is_broken = not env.Bit('bitcode') and env.Bit('target_x86_64')
 472 nexe = c99_env.ComponentProgram('vla', 'vla.c',
 473                                 EXTRA_LIBS=['${NONIRT_LIBS}'])
 474 node = env.CommandSelLdrTestNacl('vla.out', nexe,
 475                                  stdout_golden=env.File('vla.stdout'))
 476 env.AddNodeToTestSuite(node, ['toolchain_tests', 'small_tests'],
 477                        'run_vla_test',
 478                        is_broken=vla_is_broken)
 479
 480 if not env.Bit('pnacl_generate_pexe'):
 481   asm_env = env.Clone()
 482   if env.Bit('bitcode'):
 483     asm_env.PNaClForceNative()
 484     asm_env.AddBiasForPNaCl()
 485   testsuite = ['toolchain_tests', 'small_tests', 'nonpexe_tests']
 486
 487   def FarCallObjects(env, suffix=''):
 488     return [env.ComponentObject(file[:-2] + suffix + '.o', file)
 489             for file in ['far_caller.c', 'far_padding.S', 'far_callee.c']]
 490   nexe = asm_env.ComponentProgram('far_call', FarCallObjects(asm_env),
 491                                   EXTRA_LIBS=['${NONIRT_LIBS}'])
 492   node = asm_env.CommandSelLdrTestNacl('far_call.out', nexe)
 493   # TODO(mcgrathr): Broken for bitcode pending fixes to gold; see
 494   # https://code.google.com/p/nativeclient/issues/detail?id=3568
 495   asm_env.AddNodeToTestSuite(node, testsuite,
 496                              'run_far_call_test',
 497                              is_broken=env.Bit('bitcode'))
 498
 499   # TODO(mcgrathr): Disabled for bitcode because pnacl-ld doesn't grok
 500   # --pic-veneer.  Another tack to test this would be to generate a shared
 501   # object and validate it, but -shared is not really supported either.
 502   # Since PNaCl has no reason to generate PIC at all until there is some
 503   # form of ELF shared object support (if that ever happens at all),
 504   # perhaps we'll never really need to test this.
 505   if not env.Bit('bitcode'):
 506     pic_env = asm_env.Clone()
 507     pic_env.Append(CFLAGS=['-fPIC'])
 508     if pic_env.Bit('target_arm'):
 509       pic_env.Append(LINKFLAGS=['-Wl,--pic-veneer'])
 510     nexe = pic_env.ComponentProgram('far_call_pic',
 511                                     FarCallObjects(pic_env, '_pic'),
 512                                     EXTRA_LIBS=['${NONIRT_LIBS}'])
 513     node = pic_env.CommandSelLdrTestNacl('far_call_pic.out', nexe)
 514     pic_env.AddNodeToTestSuite(node, testsuite,
 515                                'run_far_call_pic_test')
 516
 517   dummy_obj = asm_env.ComponentObject('nop_test_main.o', 'dummy.c')
 518   nexe = asm_env.ComponentProgram('nop_test', [dummy_obj, 'nop_test.S'],
 519                                   EXTRA_LIBS=['${NONIRT_LIBS}'])
 520   node = asm_env.CommandSelLdrTestNacl('nop_test.out', nexe)
 521   asm_env.AddNodeToTestSuite(node, testsuite,
 522                              'run_nop_test')
 523
 524   # Test that both the layout and the nops are not munged by stripping.
 525   stripped_nexe = asm_env.Command('strip_test.nexe', nexe,
 526                                   '${STRIP} -o ${TARGET} ${SOURCES}')
 527   node = asm_env.CommandSelLdrTestNacl('strip_test.out', stripped_nexe)
 528   asm_env.AddNodeToTestSuite(node, testsuite,
 529                              'run_strip_test')
 530
 531 if not env.Bit('nacl_disable_shared') and not env.Bit('nacl_static_link'):
 532   env.NaClSharedLibrary('pic_constant_lib', ['pic_constant_lib.c'])
 533   nexe = env.ComponentProgram('pic_constant', ['pic_constant.c'],
 534                               EXTRA_LIBS=['pic_constant_lib', '${NONIRT_LIBS}'])
 535   node = env.CommandSelLdrTestNacl('pic_constant.out', nexe)
 536   env.AddNodeToTestSuite(node, testsuite,
 537                          'run_pic_constant_test')
 538
 539 WRAP_LINK_FLAGS = ['-Wl,--wrap=foo', '-Wl,--wrap=bar']
 540 env.ComponentLibrary('wrap_lib', ['wrap_lib1.c', 'wrap_lib2.c'])
 541 nexe = env.ComponentProgram('wrap', ['wrap_main.c'],
 542                             EXTRA_LINKFLAGS=WRAP_LINK_FLAGS,
 543                             EXTRA_LIBS=['wrap_lib', '${NONIRT_LIBS}'])
 544 node = env.CommandSelLdrTestNacl('wrap.out', nexe,
 545                                  stdout_golden=env.File('wrap.stdout'))
 546 env.AddNodeToTestSuite(node, ['toolchain_tests','small_tests'], 'run_wrap_test')