blob: e9503cae6116a74e3ae91a73578806d5cf994fe7 (
plain)
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
148
149
150
151
152
153
154
155
156
|
# Copyright (C) 2013-2019 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# Return 1 if compilation with -fsanitize=thread is error-free for trivial
# code, 0 otherwise. Also set what to do by default here, depending on the
# result of a runtime test.
proc check_effective_target_fsanitize_thread {} {
global individual_timeout
global dg-do-what-default
if ![check_no_compiler_messages fsanitize_thread executable {
int main (void) { return 0; }
}] {
return 0
}
# Lower timeout value in case test does not terminate properly.
set individual_timeout 20
if [check_runtime_nocache tsan_works {
int main () { return 0; }
}] {
set dg-do-what-default run
} else {
set dg-do-what-default link
}
unset individual_timeout
return 1
}
#
# tsan_link_flags -- compute library path and flags to find libtsan.
# (originally from g++.exp)
#
proc tsan_link_flags { paths } {
global srcdir
global ld_library_path
global shlib_ext
global tsan_saved_library_path
set gccpath ${paths}
set flags ""
set shlib_ext [get_shlib_extension]
set tsan_saved_library_path $ld_library_path
if { $gccpath != "" } {
if { [file exists "${gccpath}/libsanitizer/tsan/.libs/libtsan.a"]
|| [file exists "${gccpath}/libsanitizer/tsan/.libs/libtsan.${shlib_ext}"] } {
append flags " -B${gccpath}/libsanitizer/tsan/ "
append flags " -L${gccpath}/libsanitizer/tsan/.libs "
append ld_library_path ":${gccpath}/libsanitizer/tsan/.libs"
}
} else {
global tool_root_dir
set libtsan [lookfor_file ${tool_root_dir} libtsan]
if { $libtsan != "" } {
append flags "-L${libtsan} "
append ld_library_path ":${libtsan}"
}
}
set_ld_library_path_env_vars
return "$flags"
}
#
# tsan_init -- called at the start of each subdir of tests
#
proc tsan_init { args } {
global TEST_ALWAYS_FLAGS
global ALWAYS_CXXFLAGS
global TOOL_OPTIONS
global tsan_saved_TEST_ALWAYS_FLAGS
global tsan_saved_ALWAYS_CXXFLAGS
global dg-do-what-default
global tsan_saved_dg-do-what-default
set link_flags ""
if ![is_remote host] {
if [info exists TOOL_OPTIONS] {
set link_flags "[tsan_link_flags [get_multilibs ${TOOL_OPTIONS}]]"
} else {
set link_flags "[tsan_link_flags [get_multilibs]]"
}
}
if [info exists dg-do-what-default] {
set tsan_saved_dg-do-what-default ${dg-do-what-default}
}
if [info exists TEST_ALWAYS_FLAGS] {
set tsan_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS
}
if [info exists ALWAYS_CXXFLAGS] {
set tsan_saved_ALWAYS_CXXFLAGS $ALWAYS_CXXFLAGS
set ALWAYS_CXXFLAGS [concat "{ldflags=$link_flags}" $ALWAYS_CXXFLAGS]
set ALWAYS_CXXFLAGS [concat "{additional_flags=-fsanitize=thread -g}" $ALWAYS_CXXFLAGS]
} else {
if [info exists TEST_ALWAYS_FLAGS] {
set TEST_ALWAYS_FLAGS "$link_flags -fsanitize=thread -g $TEST_ALWAYS_FLAGS"
} else {
set TEST_ALWAYS_FLAGS "$link_flags -fsanitize=thread -g"
}
}
}
#
# tsan_finish -- called at the end of each subdir of tests
#
proc tsan_finish { args } {
global TEST_ALWAYS_FLAGS
global tsan_saved_TEST_ALWAYS_FLAGS
global tsan_saved_ALWAYS_CXXFLAGS
global dg-do-what-default
global tsan_saved_dg-do-what-default
global tsan_saved_library_path
global ld_library_path
if [info exists tsan_saved_ALWAYS_CXXFLAGS ] {
set ALWAYS_CXXFLAGS $tsan_saved_ALWAYS_CXXFLAGS
} else {
if [info exists tsan_saved_TEST_ALWAYS_FLAGS] {
set TEST_ALWAYS_FLAGS $tsan_saved_TEST_ALWAYS_FLAGS
} else {
unset TEST_ALWAYS_FLAGS
}
}
if [info exists tsan_saved_dg-do-what-default] {
set dg-do-what-default ${tsan_saved_dg-do-what-default}
} else {
unset dg-do-what-default
}
set ld_library_path $tsan_saved_library_path
set_ld_library_path_env_vars
clear_effective_target_cache
}
|
