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      1 # -*- Python -*-
      2 
      3 # Common configuration for running leak detection tests under LSan/ASan.
      4 
      5 import os
      6 
      7 def get_required_attr(config, attr_name):
      8   attr_value = getattr(config, attr_name, None)
      9   if attr_value == None:
     10     lit_config.fatal(
     11       "No attribute %r in test configuration! You may need to run "
     12       "tests from your build directory or add this attribute "
     13       "to lit.site.cfg " % attr_name)
     14   return attr_value
     15 
     16 # Setup source root.
     17 config.test_source_root = os.path.dirname(__file__)
     18 
     19 # Choose between standalone and LSan+ASan modes.
     20 lsan_lit_test_mode = get_required_attr(config, 'lsan_lit_test_mode')
     21 if lsan_lit_test_mode == "Standalone":
     22   config.name = "LeakSanitizer-Standalone"
     23   lsan_cflags = ["-fsanitize=leak"]
     24 elif lsan_lit_test_mode == "AddressSanitizer":
     25   config.name = "LeakSanitizer-AddressSanitizer"
     26   lsan_cflags = ["-fsanitize=address"]
     27   config.available_features.add('asan')
     28 else:
     29   lit_config.fatal("Unknown LSan test mode: %r" % lsan_lit_test_mode)
     30 config.name += config.name_suffix
     31 
     32 clang_cflags = ["-O0", config.target_cflags] + config.debug_info_flags
     33 clang_cxxflags = config.cxx_mode_flags + clang_cflags
     34 clang_lsan_cflags = clang_cflags + lsan_cflags
     35 clang_lsan_cxxflags = clang_cxxflags + lsan_cflags
     36 
     37 config.clang_cflags = clang_cflags
     38 config.clang_cxxflags = clang_cxxflags
     39 
     40 def build_invocation(compile_flags):
     41   return " " + " ".join([config.clang] + compile_flags) + " "
     42 
     43 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
     44 config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
     45 config.substitutions.append( ("%clang_lsan ", build_invocation(clang_lsan_cflags)) )
     46 config.substitutions.append( ("%clangxx_lsan ", build_invocation(clang_lsan_cxxflags)) )
     47 
     48 # LeakSanitizer tests are currently supported on x86-64 Linux and mips64 Linux only.
     49 if config.host_os not in ['Linux'] or config.host_arch not in ['x86_64', 'mips64']:
     50   config.unsupported = True
     51 
     52 config.suffixes = ['.c', '.cc', '.cpp']
     53