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1 # Copyright 2015 The Chromium Authors. All rights reserved. | 1 # Copyright 2015 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 declare_args() { | 5 declare_args() { |
6 # Compile for Address Sanitizer to find memory bugs. | 6 # Compile for Address Sanitizer to find memory bugs. |
7 is_asan = false | 7 is_asan = false |
8 | 8 |
9 # Compile for Leak Sanitizer to find leaks. | 9 # Compile for Leak Sanitizer to find leaks. |
10 is_lsan = false | 10 is_lsan = false |
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31 # Track where uninitialized memory originates from. From fastest to slowest: | 31 # Track where uninitialized memory originates from. From fastest to slowest: |
32 # 0 - no tracking, 1 - track only the initial allocation site, 2 - track the | 32 # 0 - no tracking, 1 - track only the initial allocation site, 2 - track the |
33 # chain of stores leading from allocation site to use site. | 33 # chain of stores leading from allocation site to use site. |
34 msan_track_origins = 2 | 34 msan_track_origins = 2 |
35 | 35 |
36 # Use dynamic libraries instrumented by one of the sanitizers instead of the | 36 # Use dynamic libraries instrumented by one of the sanitizers instead of the |
37 # standard system libraries. Set this flag to download prebuilt binaries from | 37 # standard system libraries. Set this flag to download prebuilt binaries from |
38 # GCS. | 38 # GCS. |
39 use_prebuilt_instrumented_libraries = false | 39 use_prebuilt_instrumented_libraries = false |
40 | 40 |
| 41 # Use dynamic libraries instrumented by one of the sanitizers instead of the |
| 42 # standard system libraries. Set this flag to build the libraries from source. |
| 43 use_locally_built_instrumented_libraries = false |
| 44 |
41 # Enable building with SyzyAsan which can find certain types of memory | 45 # Enable building with SyzyAsan which can find certain types of memory |
42 # errors. Only works on Windows. See | 46 # errors. Only works on Windows. See |
43 # https://github.com/google/syzygy/wiki/SyzyASanHowTo | 47 # https://github.com/google/syzygy/wiki/SyzyASanHowTo |
44 is_syzyasan = false | 48 is_syzyasan = false |
45 | 49 |
46 # Compile with Control Flow Integrity to protect virtual calls and casts. | 50 # Compile with Control Flow Integrity to protect virtual calls and casts. |
47 # See http://clang.llvm.org/docs/ControlFlowIntegrity.html | 51 # See http://clang.llvm.org/docs/ControlFlowIntegrity.html |
48 # | 52 # |
49 # TODO(pcc): Remove this flag if/when CFI is enabled in official builds. | 53 # TODO(pcc): Remove this flag if/when CFI is enabled in official builds. |
50 is_cfi = false | 54 is_cfi = false |
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121 # | 125 # |
122 # If you find a use-case where you want to compile a sanitizer in debug mode | 126 # If you find a use-case where you want to compile a sanitizer in debug mode |
123 # and have verified it works, ask brettw and we can consider removing it from | 127 # and have verified it works, ask brettw and we can consider removing it from |
124 # this condition. We may also be able to find another way to enable your case | 128 # this condition. We may also be able to find another way to enable your case |
125 # without having people accidentally get broken builds by compiling an | 129 # without having people accidentally get broken builds by compiling an |
126 # unsupported or unadvisable configurations. | 130 # unsupported or unadvisable configurations. |
127 # | 131 # |
128 # For one-off testing, just comment this assertion out. | 132 # For one-off testing, just comment this assertion out. |
129 assert(!is_debug || !(is_msan || is_ubsan || is_ubsan_null || is_ubsan_vptr), | 133 assert(!is_debug || !(is_msan || is_ubsan || is_ubsan_null || is_ubsan_vptr), |
130 "Sanitizers should generally be used in release (set is_debug=false).") | 134 "Sanitizers should generally be used in release (set is_debug=false).") |
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