forked from OSchip/llvm-project
151 lines
5.1 KiB
Python
151 lines
5.1 KiB
Python
# -*- Python -*-
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import os
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import platform
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import re
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import shutil
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import site
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import subprocess
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import sys
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import lit.formats
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from lit.llvm import llvm_config
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from lit.llvm.subst import FindTool
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from lit.llvm.subst import ToolSubst
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site.addsitedir(os.path.dirname(__file__))
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from helper import toolchain
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# name: The name of this test suite.
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config.name = 'lldb-shell'
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# testFormat: The test format to use to interpret tests.
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config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
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# suffixes: A list of file extensions to treat as test files. This is overriden
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# by individual lit.local.cfg files in the test subdirectories.
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config.suffixes = ['.test', '.cpp', '.s']
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# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
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# subdirectories contain auxiliary inputs for various tests in their parent
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# directories.
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config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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config.test_exec_root = os.path.join(config.lldb_obj_root, 'test', 'Shell')
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# Propagate environment vars.
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llvm_config.with_system_environment([
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'FREEBSD_LEGACY_PLUGIN',
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'HOME',
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'TEMP',
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'TMP',
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'XDG_CACHE_HOME',
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])
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# Support running the test suite under the lldb-repro wrapper. This makes it
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# possible to capture a test suite run and then rerun all the test from the
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# just captured reproducer.
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lldb_repro_mode = lit_config.params.get('lldb-run-with-repro', None)
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if lldb_repro_mode:
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config.available_features.add('lldb-repro')
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lit_config.note("Running Shell tests in {} mode.".format(lldb_repro_mode))
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toolchain.use_lldb_repro_substitutions(config, lldb_repro_mode)
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llvm_config.use_default_substitutions()
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toolchain.use_lldb_substitutions(config)
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toolchain.use_support_substitutions(config)
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if re.match(r'^arm(hf.*-linux)|(.*-linux-gnuabihf)', config.target_triple):
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config.available_features.add("armhf-linux")
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if re.match(r'.*-(windows-msvc)$', config.target_triple):
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config.available_features.add("windows-msvc")
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if re.match(r'.*-(windows-gnu|mingw32)$', config.target_triple):
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config.available_features.add("windows-gnu")
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def calculate_arch_features(arch_string):
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# This will add a feature such as x86, arm, mips, etc for each built
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# target
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features = []
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for arch in arch_string.split():
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features.append(arch.lower())
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return features
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# Run llvm-config and add automatically add features for whether we have
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# assertions enabled, whether we are in debug mode, and what targets we
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# are built for.
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llvm_config.feature_config(
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[('--assertion-mode', {'ON': 'asserts'}),
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('--build-mode', {'DEBUG': 'debug'}),
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('--targets-built', calculate_arch_features)
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])
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# Clean the module caches in the test build directory. This is necessary in an
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# incremental build whenever clang changes underneath, so doing it once per
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# lit.py invocation is close enough.
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for cachedir in [config.clang_module_cache, config.lldb_module_cache]:
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if os.path.isdir(cachedir):
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lit_config.note("Deleting module cache at %s."%cachedir)
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shutil.rmtree(cachedir)
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# Set a default per-test timeout of 10 minutes. Setting a timeout per test
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# requires that killProcessAndChildren() is supported on the platform and
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# lit complains if the value is set but it is not supported.
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supported, errormsg = lit_config.maxIndividualTestTimeIsSupported
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if supported:
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lit_config.maxIndividualTestTime = 600
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else:
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lit_config.warning("Could not set a default per-test timeout. " + errormsg)
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# If running tests natively, check for CPU features needed for some tests.
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if 'native' in config.available_features:
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cpuid_exe = lit.util.which('lit-cpuid', config.lldb_tools_dir)
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if cpuid_exe is None:
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lit_config.warning("lit-cpuid not found, tests requiring CPU extensions will be skipped")
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else:
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out, err, exitcode = lit.util.executeCommand([cpuid_exe])
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if exitcode == 0:
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for x in out.split():
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config.available_features.add('native-cpu-%s' % x)
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else:
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lit_config.warning("lit-cpuid failed: %s" % err)
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if config.lldb_enable_python:
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config.available_features.add('python')
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if config.lldb_enable_lua:
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config.available_features.add('lua')
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if config.lldb_enable_lzma:
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config.available_features.add('lzma')
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if shutil.which('xz') != None:
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config.available_features.add('xz')
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if config.lldb_system_debugserver:
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config.available_features.add('system-debugserver')
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# NetBSD permits setting dbregs either if one is root
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# or if user_set_dbregs is enabled
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can_set_dbregs = True
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if platform.system() == 'NetBSD' and os.geteuid() != 0:
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try:
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output = subprocess.check_output(["/sbin/sysctl", "-n",
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"security.models.extensions.user_set_dbregs"]).decode().strip()
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if output != "1":
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can_set_dbregs = False
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except subprocess.CalledProcessError:
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can_set_dbregs = False
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if can_set_dbregs:
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config.available_features.add('dbregs-set')
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if 'LD_PRELOAD' in os.environ:
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config.available_features.add('ld_preload-present')
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