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
|
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/sanitizers/sanitizers.gni")
prebuilt_available =
is_msan && (msan_track_origins == 0 || msan_track_origins == 2)
group("deps") {
if (use_prebuilt_instrumented_libraries) {
assert(prebuilt_available,
"Prebuilt instrumented libraries are only available when " +
"is_msan = true and msan_track_origins = {0, 2}")
deps = [
":prebuilt",
]
}
}
if (prebuilt_available) {
group("prebuilt") {
visibility = [ ":deps" ]
public_configs = [ ":prebuilt_link_helper" ]
deps = [
":extract_prebuilt_instrumented_libraries",
]
}
if (is_msan) {
sanitizer_type = "msan"
if (msan_track_origins == 0) {
archive_prefix = "msan-no-origins"
} else if (msan_track_origins == 2) {
archive_prefix = "msan-chained-origins"
}
}
# TODO(GYP): scripts/download_binaries.py uses GYP_DEFINES to decide whether
# to download the archives extracted here.
# Note: This requires a clobber whenever Ubuntu version changes.
action("extract_prebuilt_instrumented_libraries") {
visibility = [ ":prebuilt" ]
script = "scripts/unpack_binaries.py"
depfile = "$target_out_dir/$archive_prefix.d"
args = [
archive_prefix,
rebase_path("binaries"),
rebase_path(root_build_dir + "/instrumented_libraries_prebuilt"),
rebase_path(target_out_dir, root_build_dir),
]
outputs = [
"$target_out_dir/$archive_prefix.txt",
]
}
config("prebuilt_link_helper") {
visibility = [ ":prebuilt" ]
ldflags = [
# Add a relative RPATH entry to Chromium binaries. This puts instrumented
# DSOs before system-installed versions in library search path.
"-Wl,-R,\$ORIGIN/instrumented_libraries_prebuilt/$sanitizer_type/lib",
"-Wl,-z,origin",
]
}
}
# TODO(GYP): Support building instrumented libraries from source.
|
