control_flow_guard.gni (878B)
1 # Copyright 2020 The Chromium Authors 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import("//chromium/build/config/sanitizers/sanitizers.gni") 6 7 declare_args() { 8 # Set this to true to enable generation of CFG indirect call dispatch 9 # guards. 10 win_enable_cfg_guards = !is_debug && !is_asan 11 } 12 13 if (win_enable_cfg_guards) { 14 # Control Flow Guard (CFG) 15 # https://msdn.microsoft.com/en-us/library/windows/desktop/mt637065.aspx 16 # /DYNAMICBASE (ASLR) is turned off in debug builds, therefore CFG can't be 17 # turned on either. 18 # ASan and CFG leads to slow process startup. Chromium's test runner uses 19 # lots of child processes, so this means things are really slow. Disable CFG 20 # for now. https://crbug.com/846966 21 assert(!is_debug && !is_asan, 22 "CFG does not work well in debug builds or with ASAN") 23 }