1# -*- Python -*- 2 3import os 4import platform 5import re 6 7import lit.formats 8 9# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if 10# it's not available. 11try: 12 import shlex 13 sh_quote = shlex.quote 14except: 15 import pipes 16 sh_quote = pipes.quote 17 18def get_required_attr(config, attr_name): 19 attr_value = getattr(config, attr_name, None) 20 if attr_value == None: 21 lit_config.fatal( 22 "No attribute %r in test configuration! You may need to run " 23 "tests from your build directory or add this attribute " 24 "to lit.site.cfg.py " % attr_name) 25 return attr_value 26 27# Setup config name. 28config.name = 'MemProfiler' + config.name_suffix 29 30# Platform-specific default MEMPROF_OPTIONS for lit tests. 31default_memprof_opts = list(config.default_sanitizer_opts) 32 33default_memprof_opts_str = ':'.join(default_memprof_opts) 34if default_memprof_opts_str: 35 config.environment['MEMPROF_OPTIONS'] = default_memprof_opts_str 36config.substitutions.append(('%env_memprof_opts=', 37 'env MEMPROF_OPTIONS=' + default_memprof_opts_str)) 38 39# Setup source root. 40config.test_source_root = os.path.dirname(__file__) 41 42libdl_flag = '-ldl' 43 44# Setup default compiler flags used with -fmemory-profile option. 45# FIXME: Review the set of required flags and check if it can be reduced. 46target_cflags = [get_required_attr(config, 'target_cflags')] 47target_cxxflags = config.cxx_mode_flags + target_cflags 48clang_memprof_static_cflags = (['-fmemory-profile', 49 '-mno-omit-leaf-frame-pointer', 50 '-fno-omit-frame-pointer', 51 '-fno-optimize-sibling-calls'] + 52 config.debug_info_flags + target_cflags) 53clang_memprof_static_cxxflags = config.cxx_mode_flags + clang_memprof_static_cflags 54 55memprof_dynamic_flags = [] 56if config.memprof_dynamic: 57 memprof_dynamic_flags = ['-shared-libsan'] 58 config.available_features.add('memprof-dynamic-runtime') 59else: 60 config.available_features.add('memprof-static-runtime') 61clang_memprof_cflags = clang_memprof_static_cflags + memprof_dynamic_flags 62clang_memprof_cxxflags = clang_memprof_static_cxxflags + memprof_dynamic_flags 63 64def build_invocation(compile_flags): 65 return ' ' + ' '.join([config.clang] + compile_flags) + ' ' 66 67config.substitutions.append( ("%clang ", build_invocation(target_cflags)) ) 68config.substitutions.append( ("%clangxx ", build_invocation(target_cxxflags)) ) 69config.substitutions.append( ("%clang_memprof ", build_invocation(clang_memprof_cflags)) ) 70config.substitutions.append( ("%clangxx_memprof ", build_invocation(clang_memprof_cxxflags)) ) 71if config.memprof_dynamic: 72 shared_libmemprof_path = os.path.join(config.compiler_rt_libdir, 'libclang_rt.memprof{}.so'.format(config.target_suffix)) 73 config.substitutions.append( ("%shared_libmemprof", shared_libmemprof_path) ) 74 config.substitutions.append( ("%clang_memprof_static ", build_invocation(clang_memprof_static_cflags)) ) 75 config.substitutions.append( ("%clangxx_memprof_static ", build_invocation(clang_memprof_static_cxxflags)) ) 76 77# Some tests uses C++11 features such as lambdas and need to pass -std=c++11. 78config.substitutions.append(("%stdcxx11 ", '-std=c++11 ')) 79 80config.substitutions.append( ("%libdl", libdl_flag) ) 81 82config.available_features.add('memprof-' + config.bits + '-bits') 83 84config.available_features.add('fast-unwinder-works') 85 86# Set LD_LIBRARY_PATH to pick dynamic runtime up properly. 87new_ld_library_path = os.path.pathsep.join( 88 (config.compiler_rt_libdir, config.environment.get('LD_LIBRARY_PATH', ''))) 89config.environment['LD_LIBRARY_PATH'] = new_ld_library_path 90 91# Default test suffixes. 92config.suffixes = ['.c', '.cpp'] 93 94config.substitutions.append(('%fPIC', '-fPIC')) 95config.substitutions.append(('%fPIE', '-fPIE')) 96config.substitutions.append(('%pie', '-pie')) 97 98# Only run the tests on supported OSs. 99if config.host_os not in ['Linux']: 100 config.unsupported = True 101 102if not config.parallelism_group: 103 config.parallelism_group = 'shadow-memory' 104