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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 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 import("//build/config/sanitizers/sanitizers.gni") | 5 import("//build/config/sanitizers/sanitizers.gni") |
6 | 6 |
7 # Temporarily disable tcmalloc on arm64 linux to get rid of compilation errors. | 7 # Temporarily disable tcmalloc on arm64 linux to get rid of compilation errors. |
8 if (is_android || current_cpu == "mipsel" || is_mac || is_ios || is_asan || | 8 if (is_android || current_cpu == "mipsel" || is_mac || is_ios || is_asan || |
9 is_lsan || is_tsan || is_msan || is_win || is_syzyasan || | 9 is_lsan || is_tsan || is_msan || is_win || is_syzyasan || |
10 (is_linux && target_cpu == "arm64")) { | 10 (is_linux && target_cpu == "arm64")) { |
11 _default_allocator = "none" | 11 _default_allocator = "none" |
12 } else { | 12 } else { |
13 _default_allocator = "tcmalloc" | 13 _default_allocator = "tcmalloc" |
14 } | 14 } |
15 | 15 |
16 # The debug CRT on Windows has some debug features that are incompatible with | 16 # The debug CRT on Windows has some debug features that are incompatible with |
17 # the shim. NaCl in particular does seem to link some binaries statically | 17 # the shim. NaCl in particular does seem to link some binaries statically |
18 # against the debug CRT with "is_nacl=false". | 18 # against the debug CRT with "is_nacl=false". |
19 if ((is_linux || is_android || (is_win && !is_component_build && !is_debug)) && | 19 if ((is_linux || is_android || (is_win && !is_component_build && !is_debug)) && |
20 !is_asan && !is_lsan && !is_tsan && !is_msan) { | 20 !is_asan && !is_lsan && !is_tsan && !is_msan) { |
21 _default_use_experimental_allocator_shim = true | 21 _default_use_experimental_allocator_shim = true |
22 } else { | 22 } else { |
23 _default_use_experimental_allocator_shim = false | 23 _default_use_experimental_allocator_shim = false |
24 } | 24 } |
25 | 25 |
26 declare_args() { | 26 declare_args() { |
27 # Memory allocator to use. Set to "none" to use default allocator. | 27 # Memory allocator to use. Set to "none" to use default allocator. |
28 use_allocator = _default_allocator | 28 use_allocator = _default_allocator |
29 | 29 |
30 # TODO(primiano): this should just become the default without having a flag, | 30 # TODO(primiano): this should just become the default without having a flag, |
31 # but we need to get there first. http://crbug.com/550886 . | 31 # but we need to get there first. http://crbug.com/550886 . |
32 # Causes all the allocations to be routed via allocator_shim.cc. | 32 # Causes all the allocations to be routed via allocator_shim.cc. |
33 use_experimental_allocator_shim = _default_use_experimental_allocator_shim | 33 use_experimental_allocator_shim = _default_use_experimental_allocator_shim |
34 } | 34 } |
35 | 35 |
36 if (is_nacl) { | 36 if (is_nacl) { |
37 # Turn off the build flag for NaCL builds to minimize confusion, as NaCL | 37 # Turn off the build flag for NaCL builds to minimize confusion, as NaCL |
38 # doesn't support the heap shim. | 38 # doesn't support the heap shim. |
39 use_experimental_allocator_shim = false | 39 use_experimental_allocator_shim = false |
40 } | 40 } |
41 | 41 |
42 assert(use_allocator == "none" || use_allocator == "tcmalloc") | 42 assert(use_allocator == "none" || use_allocator == "tcmalloc") |
43 | 43 |
44 assert(!is_win || use_allocator == "none", "Tcmalloc doesn't work on Windows.") | 44 assert(!is_win || use_allocator == "none", "Tcmalloc doesn't work on Windows.") |
| 45 assert(!is_mac || use_allocator == "none", "Tcmalloc doesn't work on macOS.") |
45 | 46 |
46 assert( | 47 assert(!use_experimental_allocator_shim || is_linux || is_android || is_win || |
47 !use_experimental_allocator_shim || is_linux || is_android || is_win, | 48 is_mac, |
48 "use_experimental_allocator_shim supported only on Linux, Android and Window
s targets") | 49 "use_experimental_allocator_shim supported only on Linux, Android, " + |
| 50 "Windows and macOS targets") |
49 | 51 |
50 if (is_win && use_experimental_allocator_shim) { | 52 if (is_win && use_experimental_allocator_shim) { |
51 assert(!is_component_build, | 53 assert(!is_component_build, |
52 "The allocator shim doesn't work for the component build on Windows.") | 54 "The allocator shim doesn't work for the component build on Windows.") |
53 } | 55 } |
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