1# Copyright (C) 2017 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import("//gn/standalone/android.gni") 16import("//gn/standalone/sanitizers/vars.gni") 17import("//gn/standalone/toolchain/llvm.gni") 18 19declare_args() { 20 sanitizer_lib_base_name_ = "" 21 if (is_asan || is_tsan || is_ubsan) { 22 if (is_asan) { 23 sanitizer_lib_base_name_ = "clang_rt.asan" 24 } 25 if (is_tsan) { 26 sanitizer_lib_base_name_ = "clang_rt.tsan" 27 } 28 if (is_ubsan) { 29 sanitizer_lib_base_name_ = "clang_rt.ubsan" 30 if (is_android || is_linux) { 31 sanitizer_lib_base_name_ += "_standalone" 32 } 33 } 34 } 35} 36 37declare_args() { 38 sanitizer_lib_dir = "" 39 sanitizer_lib = "" 40 sanitizer_lib_dir_is_static = false 41 if (sanitizer_lib_base_name_ != "") { 42 if (is_mac) { 43 sanitizer_lib = "${sanitizer_lib_base_name_}_osx_dynamic" 44 sanitizer_lib_dir = mac_clangrt_dir 45 } 46 if (is_linux) { 47 sanitizer_lib = "lib${sanitizer_lib_base_name_}-x86_64.a" 48 sanitizer_lib_dir_is_static = true 49 sanitizer_lib_dir = linux_clangrt_dir 50 } 51 if (is_android) { 52 sanitizer_lib = "${sanitizer_lib_base_name_}-${android_llvm_arch}-android" 53 sanitizer_lib_dir = android_clangrt_dir 54 } 55 } 56} 57 58using_sanitizer = is_asan || is_lsan || is_tsan || is_msan || is_ubsan 59assert(!using_sanitizer || is_clang, "is_*san requires is_clang=true'") 60assert(!is_msan || is_linux, "msan only supported on linux") 61assert(!is_tsan || (is_linux || is_mac), "tsan only supported on linux and mac") 62