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# -*- Python -*-
# vim: set filetype=python:
# vim: ts=2:sts=2:sw=2:et:tw=80:
# Configuration file for the 'lit' test runner.
import os
import sys
import re
import platform
try:
import lit.util
import lit.formats
except ImportError:
pass
# name: The name of this test suite.
config.name = 'KLEE'
# testFormat: The test format to use to interpret tests.
config.test_format = lit.formats.ShTest(execute_external=False)
# suffixes: A list of file extensions to treat as test files
# Note this can be overridden by lit.local.cfg files
config.suffixes = ['.ll', '.c', '.cpp', '.kquery', '.test']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# test_exec_root: The root path where tests should be run.
klee_obj_root = getattr(config, 'klee_obj_root', None)
klee_src_root = getattr(config, 'klee_src_root', None)
if klee_obj_root is not None:
config.test_exec_root = os.path.join(klee_obj_root, 'test')
# Tweak the PATH to include the tool dir.
if klee_obj_root is not None:
klee_tools_dir = getattr(config, 'klee_tools_dir', None)
if not klee_tools_dir:
lit_config.fatal('No KLEE tools dir set!')
# Check LLVM tool directory
llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
if not llvm_tools_dir:
lit_config.fatal('No LLVM tool directory set!')
path = os.path.pathsep.join(
(
llvm_tools_dir,
klee_tools_dir,
config.environment['PATH']
)
)
config.environment['PATH'] = path
# Propogate some environment variable to test environment.
def addEnv(name):
if name in os.environ:
config.environment[name] = os.environ[name]
addEnv('HOME')
addEnv('PWD')
# Sanitizer environment variables
addEnv('ASAN_OPTIONS')
addEnv('ASAN_SYMBOLIZER_PATH')
addEnv('LSAN_OPTIONS')
addEnv('MSAN_OPTIONS')
addEnv('MSAN_SYMBOLIZER_PATH')
addEnv('TSAN_OPTIONS')
# llvm-gcc on Ubuntu needs to be told where to look
# for headers. If user has these in their environment
# we should propagate to test environment
addEnv('C_INCLUDE_PATH')
addEnv('CPLUS_INCLUDE_PATH')
# Check that the object root is known.
if config.test_exec_root is None:
lit_config.fatal('test execution root not set!')
# Add substitutions from lit.site.cfg
subs = [ 'clangxx', 'clang', 'cc', 'cxx', 'O0opt' ]
for name in subs:
value = getattr(config, name, None)
if value == None:
lit_config.fatal('{0} is not set'.format(name))
config.substitutions.append( ('%' + name, value))
# Add a substitution for lli.
config.substitutions.append(
('%lli', os.path.join(llvm_tools_dir, 'lli'))
)
# Add a substitution for llvm-as
config.substitutions.append(
('%llvmas', os.path.join(llvm_tools_dir, 'llvm-as'))
)
# Add a substitution for llvm-ar
config.substitutions.append(
('%llvmar', os.path.join(llvm_tools_dir, 'llvm-ar'))
)
# Add a substition for libkleeruntest
config.substitutions.append(
('%libkleeruntestdir', os.path.dirname(config.libkleeruntest))
)
config.substitutions.append(
('%libkleeruntest', config.libkleeruntest)
)
# Get KLEE and Kleaver specific parameters passed on llvm-lit cmd line
# e.g. llvm-lit --param klee_opts=--help
klee_extra_params = lit_config.params.get('klee_opts',"")
kleaver_extra_params = lit_config.params.get('kleaver_opts',"")
if len(klee_extra_params) != 0:
print("Passing extra KLEE command line args: {0}".format(
klee_extra_params)
)
if len(kleaver_extra_params) != 0:
print("Passing extra Kleaver command line args: {0}".format(
kleaver_extra_params)
)
# Set absolute paths and extra cmdline args for KLEE's tools
# If a tool's name is a prefix of another, the longer name has
# to come first, e.g., klee-replay should come before klee
subs = [ ('%kleaver', 'kleaver', kleaver_extra_params),
('%klee-replay', 'klee-replay', ''),
('%klee-stats', 'klee-stats', ''),
('%klee-zesti', 'klee-zesti', ''),
('%klee','klee', klee_extra_params),
('%ktest-tool', 'ktest-tool', ''),
('%gen-random-bout', 'gen-random-bout', ''),
('%gen-bout', 'gen-bout', '')
]
for s,basename,extra_args in subs:
config.substitutions.append(
( s,
"{0} {1}".format(
os.path.join(klee_tools_dir, basename),
extra_args
).strip()
)
)
config.substitutions.append(
('%gentmp', os.path.join(klee_src_root, 'scripts/genTempFiles.sh'))
)
config.substitutions.append(
('%libcxx_include', getattr(config, 'libcxx_include_dir', None)))
# Add feature for the LLVM version in use, so it can be tested in REQUIRES and
# XFAIL checks. We also add "not-XXX" variants, for the same reason.
known_llvm_versions = set(["3.8", "3.9", "4.0", "5.0", "6.0", "7.0", "7.1", "8.0", "9.0", "10.0", "11.0"])
current_llvm_version_tuple = (int(config.llvm_version_major), int(config.llvm_version_minor))
current_llvm_version = "%s.%s" % current_llvm_version_tuple
if current_llvm_version not in known_llvm_versions:
lit_config.fatal("LLVM Version %s is not listed in known_llvm_versions!"
% current_llvm_version)
config.available_features.add("llvm-" + current_llvm_version)
for version in known_llvm_versions:
version_tuple = tuple(int(v) for v in version.split("."))
if version != current_llvm_version:
config.available_features.add("not-llvm-" + version)
if current_llvm_version_tuple >= version_tuple:
config.available_features.add("geq-llvm-" + version)
else:
config.available_features.add("lt-llvm-" + version)
# Solver features
if config.enable_stp:
config.available_features.add('stp')
else:
config.available_features.add('not-stp')
if config.enable_z3:
config.available_features.add('z3')
else:
config.available_features.add('not-z3')
# Zlib
config.available_features.add('zlib' if config.enable_zlib else 'not-zlib')
# Uclibc
if config.enable_uclibc:
config.available_features.add('uclibc')
# POSIX runtime feature
if config.enable_posix_runtime:
config.available_features.add('posix-runtime')
# LibC++ runtime feature
if config.enable_libcxx:
config.available_features.add('libcxx')
# C++ Exception Handling feature
if config.enable_eh_cxx:
config.available_features.add('eh-cxx')
# Target operating system features
supported_targets = ['linux', 'darwin', 'freebsd']
for target in supported_targets:
if config.target_triple.find(target) != -1:
config.available_features.add(target)
else:
config.available_features.add('not-{}'.format(target))
# Sanitizer
config.available_features.add('{}asan'.format('' if config.have_asan else 'not-'))
config.available_features.add('{}ubsan'.format('' if config.have_ubsan else 'not-'))
config.available_features.add('{}msan'.format('' if config.have_msan else 'not-'))
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