src/systemc/tests/SConscript

   1 # Copyright 2018 Google, Inc.
   2 #
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  13 #
  14 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  15 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  24 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 from __future__ import print_function
  27
  28 Import('*')
  29
  30 if env['USE_SYSTEMC'] and GetOption('with_systemc_tests'):
  31
  32     from gem5_scons import Transform
  33
  34     import os.path
  35     import json
  36
  37     src = str(Dir('.').srcdir)
  38
  39     class SystemCTest(object):
  40         def __init__(self, dirname, name):
  41             self.name = name
  42             self.reldir = os.path.relpath(dirname, src)
  43             self.target = os.path.join(self.reldir, name)
  44             self.sources = []
  45             self.deps = []
  46
  47             self.compile_only = False
  48
  49         def add_source(self, source):
  50             self.sources.append(os.path.join(self.reldir, source))
  51
  52         def add_sources(self, sources):
  53             for source in sources:
  54                 self.sources.append(os.path.join(self.reldir, '..', source))
  55
  56         def properties(self):
  57             return {
  58                 'name' : self.name,
  59                 'path' : self.reldir,
  60                 'compile_only' : self.compile_only,
  61                 'deps' : self.deps
  62             }
  63
  64     test_dir = Dir('.')
  65     class SystemCTestBin(Executable):
  66         def __init__(self, test):
  67             super(SystemCTestBin, self).__init__(test.target, *test.sources)
  68             self.reldir = test.reldir
  69             self.test_deps = test.deps
  70
  71         @classmethod
  72         def declare_all(cls, env):
  73             env = env.Clone()
  74
  75             # Turn off extra warnings and Werror for the tests.
  76             to_remove = ['-Wall', '-Wundef', '-Wextra', '-Werror']
  77             env['CCFLAGS'] = \
  78                 filter(lambda f: f not in to_remove, env['CCFLAGS'])
  79
  80             env.Append(CPPPATH=test_dir.Dir('include'))
  81
  82             shared_lib_path = env['SHARED_LIB'][0].abspath
  83             sl_dir, sl_base = os.path.split(shared_lib_path)
  84             env.Append(LIBPATH=[sl_dir], LIBS=[sl_base])
  85
  86             super(SystemCTestBin, cls).declare_all(env)
  87
  88         def declare(self, env):
  89             env = env.Clone()
  90             sources = list(self.sources)
  91             for f in self.filters:
  92                 sources += Source.all.apply_filter(f)
  93             objs = self.srcs_to_objs(env, sources)
  94             objs = objs + env['MAIN_OBJS']
  95             relpath = os.path.relpath(
  96                     env['SHARED_LIB'][0].dir.abspath,
  97                     self.path(env).dir.abspath)
  98             env.Append(LINKFLAGS=Split('-z origin'))
  99             env.Append(RPATH=[
 100                     env.Literal(os.path.join('\\$$ORIGIN', relpath))])
 101             test_bin = super(SystemCTestBin, self).declare(env, objs)
 102             test_dir = self.dir.Dir(self.reldir)
 103             for dep in self.test_deps:
 104                 env.Depends(test_bin, test_dir.File(dep))
 105             return test_bin
 106
 107     tests = []
 108     def new_test(dirname, name):
 109         test = SystemCTest(dirname, name)
 110         tests.append(test)
 111         return test
 112
 113
 114     def scan_dir_for_tests(subdir):
 115         def visitor(arg, dirname, names):
 116             # If there's a 'DONTRUN' file in this directory, skip it and any
 117             # child directories.
 118             if 'DONTRUN' in names:
 119                 del names[:]
 120                 return
 121
 122             endswith = lambda sfx: filter(lambda n: n.endswith(sfx), names)
 123
 124             cpps = endswith('.cpp')
 125             if not cpps:
 126                 return
 127
 128             def get_entries(fname):
 129                 with open(os.path.join(dirname, fname)) as content:
 130                     lines = content.readlines
 131                     # Get rid of leading and trailing whitespace.
 132                     lines = map(lambda x: x.strip(), content.readlines())
 133                     # Get rid of blank lines.
 134                     lines = filter(lambda x: x, lines)
 135                     return lines
 136
 137             # If there's only one source file, then that files name is the test
 138             # name, and it's the source for that test.
 139             if len(cpps) == 1:
 140                 cpp = cpps[0]
 141
 142                 test = new_test(dirname, os.path.splitext(cpp)[0])
 143                 test.add_source(cpp)
 144
 145             # Otherwise, expect there to be a file that ends in .f. That files
 146             # name is the test name, and it will list the source files with
 147             # one preceeding path component.
 148             else:
 149                 fs = endswith('.f')
 150                 if len(fs) != 1:
 151                     print("In %s, expected 1 *.f file, but found %d.",
 152                           dirname, len(fs))
 153                     for f in fs:
 154                         print(os.path.join(dirname, f))
 155                     return
 156                 f = fs[0]
 157
 158                 test = new_test(dirname, os.path.splitext(f)[0])
 159                 # Add all the sources to this test.
 160                 test.add_sources(get_entries(f))
 161
 162             if 'COMPILE' in names:
 163                 test.compile_only = True
 164
 165             if 'DEPS' in names:
 166                 test.deps = get_entries('DEPS')
 167
 168         subdir_src = Dir('.').srcdir.Dir(subdir)
 169         os.path.walk(str(subdir_src), visitor, None)
 170
 171     scan_dir_for_tests('systemc')
 172     scan_dir_for_tests('tlm')
 173
 174
 175     def build_tests_json(target, source, env):
 176         data = { test.target : test.properties() for test in tests }
 177         with open(str(target[0]), "w") as tests_json:
 178             json.dump(data, tests_json)
 179
 180     AlwaysBuild(env.Command(File('tests.json'), None,
 181                 MakeAction(build_tests_json, Transform("TESTJSON"))))
 182
 183
 184     for test in tests:
 185         SystemCTestBin(test)