1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
# -*- Python -*-
import os
import platform
import re
import shlex
import lit.formats
def get_required_attr(config, attr_name):
attr_value = getattr(config, attr_name, None)
if attr_value is not None:
return attr_value
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.py " % attr_name
)
def push_dynamic_library_lookup_path(config, new_path):
if platform.system() == "Windows":
dynamic_library_lookup_var = "PATH"
elif platform.system() == "Darwin":
dynamic_library_lookup_var = "DYLD_LIBRARY_PATH"
else:
dynamic_library_lookup_var = "LD_LIBRARY_PATH"
new_ld_library_path = os.path.pathsep.join(
(new_path, config.environment.get(dynamic_library_lookup_var, ""))
)
config.environment[dynamic_library_lookup_var] = new_ld_library_path
if platform.system() == "FreeBSD":
dynamic_library_lookup_var = "LD_32_LIBRARY_PATH"
new_ld_32_library_path = os.path.pathsep.join(
(new_path, config.environment.get(dynamic_library_lookup_var, ""))
)
config.environment[dynamic_library_lookup_var] = new_ld_32_library_path
if platform.system() == "SunOS":
dynamic_library_lookup_var = "LD_LIBRARY_PATH_32"
new_ld_library_path_32 = os.path.pathsep.join(
(new_path, config.environment.get(dynamic_library_lookup_var, ""))
)
config.environment[dynamic_library_lookup_var] = new_ld_library_path_32
dynamic_library_lookup_var = "LD_LIBRARY_PATH_64"
new_ld_library_path_64 = os.path.pathsep.join(
(new_path, config.environment.get(dynamic_library_lookup_var, ""))
)
config.environment[dynamic_library_lookup_var] = new_ld_library_path_64
# Setup config name.
config.name = "TypeSanitizer" + config.name_suffix
# Platform-specific default TYSAN_OPTIONS for lit tests.
default_tysan_opts = list(config.default_sanitizer_opts)
default_tysan_opts_str = ":".join(default_tysan_opts)
if default_tysan_opts_str:
config.environment["TYSAN_OPTIONS"] = default_tysan_opts_str
default_tysan_opts_str += ":"
config.substitutions.append(
("%env_tysan_opts=", "env TYSAN_OPTIONS=" + default_tysan_opts_str)
)
# Setup source root.
config.test_source_root = os.path.dirname(__file__)
if config.host_os not in ["FreeBSD", "NetBSD"]:
libdl_flag = "-ldl"
else:
libdl_flag = ""
# GCC-ASan doesn't link in all the necessary libraries automatically, so
# we have to do it ourselves.
if config.compiler_id == "GNU":
extra_link_flags = ["-pthread", "-lstdc++", libdl_flag]
else:
extra_link_flags = []
# Setup default compiler flags used with -fsanitize=address option.
# FIXME: Review the set of required flags and check if it can be reduced.
target_cflags = [get_required_attr(config, "target_cflags")] + extra_link_flags
target_cxxflags = config.cxx_mode_flags + target_cflags
clang_tysan_static_cflags = (
[
"-fsanitize=type",
"-mno-omit-leaf-frame-pointer",
"-fno-omit-frame-pointer",
"-fno-optimize-sibling-calls",
]
+ config.debug_info_flags
+ target_cflags
)
if config.target_arch == "s390x":
clang_tysan_static_cflags.append("-mbackchain")
clang_tysan_static_cxxflags = config.cxx_mode_flags + clang_tysan_static_cflags
clang_tysan_cflags = clang_tysan_static_cflags
clang_tysan_cxxflags = clang_tysan_static_cxxflags
def build_invocation(compile_flags):
return " " + " ".join([config.clang] + compile_flags) + " "
config.substitutions.append(("%clang ", build_invocation(target_cflags)))
config.substitutions.append(("%clangxx ", build_invocation(target_cxxflags)))
config.substitutions.append(("%clang_tysan ", build_invocation(clang_tysan_cflags)))
config.substitutions.append(("%clangxx_tysan ", build_invocation(clang_tysan_cxxflags)))
# FIXME: De-hardcode this path.
tysan_source_dir = os.path.join(
get_required_attr(config, "compiler_rt_src_root"), "lib", "tysan"
)
python_exec = shlex.quote(get_required_attr(config, "python_executable"))
# Set LD_LIBRARY_PATH to pick dynamic runtime up properly.
push_dynamic_library_lookup_path(config, config.compiler_rt_libdir)
# Default test suffixes.
config.suffixes = [".c", ".cpp"]
if config.host_os == "Darwin":
config.suffixes.append(".mm")
if config.host_os == "Windows":
config.substitutions.append(("%fPIC", ""))
config.substitutions.append(("%fPIE", ""))
config.substitutions.append(("%pie", ""))
else:
config.substitutions.append(("%fPIC", "-fPIC"))
config.substitutions.append(("%fPIE", "-fPIE"))
config.substitutions.append(("%pie", "-pie"))
# Only run the tests on supported OSs.
if config.host_os not in [
"Linux",
"Darwin",
]:
config.unsupported = True
|
