1// Copyright 2020 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 15package config 16 17import ( 18 "strings" 19 20 "android/soong/android" 21) 22 23var ( 24 LinuxBionicRustFlags = []string{} 25 LinuxBionicRustLinkFlags = []string{ 26 "-B${cc_config.ClangBin}", 27 "-fuse-ld=lld", 28 "-Wl,--undefined-version", 29 "-nostdlib", 30 } 31) 32 33func init() { 34 registerToolchainFactory(android.LinuxBionic, android.X86_64, linuxBionicX8664ToolchainFactory) 35 36 pctx.StaticVariable("LinuxBionicToolchainRustFlags", strings.Join(LinuxBionicRustFlags, " ")) 37 pctx.StaticVariable("LinuxBionicToolchainLinkFlags", strings.Join(LinuxBionicRustLinkFlags, " ")) 38} 39 40type toolchainLinuxBionicX8664 struct { 41 toolchain64Bit 42} 43 44func (toolchainLinuxBionicX8664) Supported() bool { 45 return true 46} 47 48func (toolchainLinuxBionicX8664) Bionic() bool { 49 return true 50} 51 52func (t *toolchainLinuxBionicX8664) Name() string { 53 return "x86_64" 54} 55 56func (t *toolchainLinuxBionicX8664) RustTriple() string { 57 return "x86_64-linux-android" 58} 59 60func (t *toolchainLinuxBionicX8664) ToolchainLinkFlags() string { 61 // Prepend the lld flags from cc_config so we stay in sync with cc 62 return "${cc_config.LinuxBionicLldflags} ${config.LinuxBionicToolchainLinkFlags}" 63} 64 65func (t *toolchainLinuxBionicX8664) ToolchainRustFlags() string { 66 return "${config.LinuxBionicToolchainRustFlags}" 67} 68 69func linuxBionicX8664ToolchainFactory(arch android.Arch) Toolchain { 70 return toolchainLinuxBionicX8664Singleton 71} 72 73var toolchainLinuxBionicX8664Singleton Toolchain = &toolchainLinuxBionicX8664{} 74