llvm-project/debuginfo-tests/lit.cfg.py

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# -*- Python -*-
import os
import platform
import re
import subprocess
import sys
import lit.formats
import lit.util
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'debuginfo-tests'
# testFormat: The test format to use to interpret tests.
#
# For now we require '&&' between commands, until they get globally killed and
# the test runner updated.
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.c', '.cpp', '.m']
# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = ['Inputs']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.join(config.debuginfo_tests_src_root)
# test_exec_root: The root path where tests should be run.
config.test_exec_root = config.debuginfo_tests_obj_root
llvm_config.use_default_substitutions()
tools = [
ToolSubst('%test_debuginfo', command=os.path.join(
config.debuginfo_tests_src_root, 'llgdb-tests', 'test_debuginfo.pl')),
ToolSubst("%llvm_src_root", config.llvm_src_root),
ToolSubst("%llvm_tools_dir", config.llvm_tools_dir),
]
def get_required_attr(config, attr_name):
attr_value = getattr(config, attr_name, None)
if attr_value == None:
lit_config.fatal(
"No attribute %r in test configuration! You may need to run "
"tests from your build directory or add this attribute "
"to lit.site.cfg " % attr_name)
return attr_value
# If this is an MSVC environment, the tests at the root of the tree are
# unsupported. The local win_cdb test suite, however, is supported.
is_msvc = get_required_attr(config, "is_msvc")
if is_msvc:
config.available_features.add('msvc')
# FIXME: We should add some llvm lit utility code to find the Windows SDK
# and set up the environment appopriately.
win_sdk = 'C:/Program Files (x86)/Windows Kits/10/'
arch = 'x64'
llvm_config.with_system_environment(['LIB', 'LIBPATH', 'INCLUDE'])
# Clear _NT_SYMBOL_PATH to prevent cdb from attempting to load symbols from
# the network.
llvm_config.with_environment('_NT_SYMBOL_PATH', '')
tools.append(ToolSubst('%cdb', '"%s"' % os.path.join(win_sdk, 'Debuggers',
arch, 'cdb.exe')))
# clang_src_dir is not used by these tests, but is required by
# use_clang(), so set it to "".
if not hasattr(config, 'clang_src_dir'):
config.clang_src_dir = ""
llvm_config.use_clang()
if config.llvm_use_sanitizer:
# Propagate path to symbolizer for ASan/MSan.
llvm_config.with_system_environment(
['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'])
def add_host_triple(clang):
return '{} --target={}'.format(clang, config.host_triple)
# The set of arches we can build.
targets = set(config.targets_to_build)
# Add aliases to the target set.
if 'AArch64' in targets:
targets.add('arm64')
if 'ARM' in config.targets_to_build:
targets.add('thumbv7')
def can_target_host():
# Check if the targets set contains anything that looks like our host arch.
# The arch name in the triple and targets set may be spelled differently
# (e.g. x86 vs X86).
return any(config.host_triple.lower().startswith(x.lower())
for x in targets)
# Dexter tests run on the host machine. If the host arch is supported add
# 'dexter' as an available feature and force the dexter tests to use the host
# triple.
if can_target_host():
config.available_features.add('dexter')
if config.host_triple != config.target_triple:
print('Forcing dexter tests to use host triple {}.'.format(config.host_triple))
llvm_config.with_environment('PATHTOCLANG',
add_host_triple(llvm_config.config.clang))
llvm_config.with_environment('PATHTOCLANGPP',
add_host_triple(llvm_config.use_llvm_tool('clang++')))
llvm_config.with_environment('PATHTOCLANGCL',
add_host_triple(llvm_config.use_llvm_tool('clang-cl')))
else:
print('Host triple {} not supported. Skipping dexter tests in the '
'debuginfo-tests project.'.format(config.host_triple))
# Check which debuggers are available:
lldb_path = llvm_config.use_llvm_tool('lldb', search_env='LLDB')
if lldb_path is not None:
config.available_features.add('lldb')
# Produce dexter path, lldb path, and combine into the %dexter substitution
# for running a test.
dexter_path = os.path.join(config.debuginfo_tests_src_root,
'dexter', 'dexter.py')
dexter_test_cmd = '"{}" "{}" test'.format(sys.executable, dexter_path)
if lldb_path is not None:
dexter_test_cmd += ' --lldb-executable "{}"'.format(lldb_path)
tools.append(ToolSubst('%dexter', dexter_test_cmd))
# For testing other bits of dexter that aren't under the "test" subcommand,
# have a %dexter_base substitution.
dexter_base_cmd = '"{}" "{}"'.format(sys.executable, dexter_path)
tools.append(ToolSubst('%dexter_base', dexter_base_cmd))
# Set up commands for DexTer regression tests.
# Builder, debugger, optimisation level and several other flags differ
# depending on whether we're running a unix like or windows os.
if platform.system() == 'Windows':
dexter_regression_test_builder = '--builder clang-cl_vs2015'
dexter_regression_test_debugger = '--debugger dbgeng'
dexter_regression_test_cflags = '--cflags "/Zi /Od"'
dexter_regression_test_ldflags = '--ldflags "/Zi"'
else:
dexter_regression_test_builder = '--builder clang'
dexter_regression_test_debugger = "--debugger lldb"
dexter_regression_test_cflags = '--cflags "-O0 -glldb"'
dexter_regression_test_ldflags = ''
# Typical command would take the form:
# ./path_to_py/python.exe ./path_to_dex/dexter.py test --fail-lt 1.0 -w --builder clang --debugger lldb --cflags '-O0 -g'
dexter_regression_test_command = ' '.join(
# "python", "dexter.py", test, fail_mode, builder, debugger, cflags, ldflags
['"{}"'.format(sys.executable),
'"{}"'.format(dexter_path),
'test',
'--fail-lt 1.0 -w',
dexter_regression_test_builder,
dexter_regression_test_debugger,
dexter_regression_test_cflags,
dexter_regression_test_ldflags])
tools.append(ToolSubst('%dexter_regression_test', dexter_regression_test_command))
tool_dirs = [config.llvm_tools_dir]
llvm_config.add_tool_substitutions(tools, tool_dirs)
lit.util.usePlatformSdkOnDarwin(config, lit_config)
# available_features: REQUIRES/UNSUPPORTED lit commands look at this list.
if platform.system() == 'Darwin':
xcode_lldb_vers = subprocess.check_output(['xcrun', 'lldb', '--version']).decode("utf-8")
match = re.search('lldb-(\d+)', xcode_lldb_vers)
if match:
apple_lldb_vers = int(match.group(1))
if apple_lldb_vers < 1000:
config.available_features.add('apple-lldb-pre-1000')
llvm_config.feature_config(
[('--build-mode', {'Debug|RelWithDebInfo': 'debug-info'})]
)