1# -*- Python -*-
2
3import os
4import platform
5import re
6import shutil
7import site
8import subprocess
9import sys
10
11import lit.formats
12from lit.llvm import llvm_config
13from lit.llvm.subst import FindTool
14from lit.llvm.subst import ToolSubst
15
16site.addsitedir(os.path.dirname(__file__))
17from helper import toolchain
18
19# name: The name of this test suite.
20config.name = 'lldb-shell'
21
22# testFormat: The test format to use to interpret tests.
23config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
24
25# suffixes: A list of file extensions to treat as test files. This is overriden
26# by individual lit.local.cfg files in the test subdirectories.
27config.suffixes = ['.test', '.cpp', '.s']
28
29# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
30# subdirectories contain auxiliary inputs for various tests in their parent
31# directories.
32config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
33
34# test_source_root: The root path where tests are located.
35config.test_source_root = os.path.dirname(__file__)
36
37# test_exec_root: The root path where tests should be run.
38config.test_exec_root = os.path.join(config.lldb_obj_root, 'test', 'Shell')
39
40# Propagate environment vars.
41llvm_config.with_system_environment([
42    'FREEBSD_LEGACY_PLUGIN',
43    'HOME',
44    'TEMP',
45    'TMP',
46    'XDG_CACHE_HOME',
47])
48
49# Support running the test suite under the lldb-repro wrapper. This makes it
50# possible to capture a test suite run and then rerun all the test from the
51# just captured reproducer.
52lldb_repro_mode = lit_config.params.get('lldb-run-with-repro', None)
53if lldb_repro_mode:
54  config.available_features.add('lldb-repro')
55  lit_config.note("Running Shell tests in {} mode.".format(lldb_repro_mode))
56  toolchain.use_lldb_repro_substitutions(config, lldb_repro_mode)
57
58llvm_config.use_default_substitutions()
59toolchain.use_lldb_substitutions(config)
60toolchain.use_support_substitutions(config)
61
62if re.match(r'^arm(hf.*-linux)|(.*-linux-gnuabihf)', config.target_triple):
63    config.available_features.add("armhf-linux")
64
65def calculate_arch_features(arch_string):
66    # This will add a feature such as x86, arm, mips, etc for each built
67    # target
68    features = []
69    for arch in arch_string.split():
70        features.append(arch.lower())
71    return features
72
73# Run llvm-config and add automatically add features for whether we have
74# assertions enabled, whether we are in debug mode, and what targets we
75# are built for.
76llvm_config.feature_config(
77    [('--assertion-mode', {'ON': 'asserts'}),
78     ('--build-mode', {'DEBUG': 'debug'}),
79     ('--targets-built', calculate_arch_features)
80     ])
81
82# Clean the module caches in the test build directory. This is necessary in an
83# incremental build whenever clang changes underneath, so doing it once per
84# lit.py invocation is close enough.
85for cachedir in [config.clang_module_cache, config.lldb_module_cache]:
86  if os.path.isdir(cachedir):
87     lit_config.note("Deleting module cache at %s."%cachedir)
88     shutil.rmtree(cachedir)
89
90# Set a default per-test timeout of 10 minutes. Setting a timeout per test
91# requires that killProcessAndChildren() is supported on the platform and
92# lit complains if the value is set but it is not supported.
93supported, errormsg = lit_config.maxIndividualTestTimeIsSupported
94if supported:
95    lit_config.maxIndividualTestTime = 600
96else:
97    lit_config.warning("Could not set a default per-test timeout. " + errormsg)
98
99
100# If running tests natively, check for CPU features needed for some tests.
101
102if 'native' in config.available_features:
103    cpuid_exe = lit.util.which('lit-cpuid', config.lldb_tools_dir)
104    if cpuid_exe is None:
105        lit_config.warning("lit-cpuid not found, tests requiring CPU extensions will be skipped")
106    else:
107        out, err, exitcode = lit.util.executeCommand([cpuid_exe])
108        if exitcode == 0:
109            for x in out.split():
110                config.available_features.add('native-cpu-%s' % x)
111        else:
112            lit_config.warning("lit-cpuid failed: %s" % err)
113
114if config.lldb_enable_python:
115    config.available_features.add('python')
116
117if config.lldb_enable_lua:
118    config.available_features.add('lua')
119
120if config.lldb_enable_lzma:
121    config.available_features.add('lzma')
122
123if shutil.which('xz') != None:
124    config.available_features.add('xz')
125
126if config.lldb_system_debugserver:
127    config.available_features.add('system-debugserver')
128
129# NetBSD permits setting dbregs either if one is root
130# or if user_set_dbregs is enabled
131can_set_dbregs = True
132if platform.system() == 'NetBSD' and os.geteuid() != 0:
133    try:
134        output = subprocess.check_output(["/sbin/sysctl", "-n",
135          "security.models.extensions.user_set_dbregs"]).decode().strip()
136        if output != "1":
137            can_set_dbregs = False
138    except subprocess.CalledProcessError:
139        can_set_dbregs = False
140if can_set_dbregs:
141    config.available_features.add('dbregs-set')
142
143if 'LD_PRELOAD' in os.environ:
144    config.available_features.add('ld_preload-present')
145