1// Copyright 2019 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 x86RustFlags = []string{} 25 x86ArchFeatureRustFlags = map[string][]string{} 26 x86LinkFlags = []string{} 27 28 x86ArchVariantRustFlags = map[string][]string{ 29 "": []string{}, 30 "atom": []string{"-C target-cpu=atom"}, 31 "broadwell": []string{"-C target-cpu=broadwell"}, 32 "goldmont": []string{"-C target-cpu=goldmont"}, 33 "goldmont-plus": []string{"-C target-cpu=goldmont-plus"}, 34 "haswell": []string{"-C target-cpu=haswell"}, 35 "ivybridge": []string{"-C target-cpu=ivybridge"}, 36 "sandybridge": []string{"-C target-cpu=sandybridge"}, 37 "silvermont": []string{"-C target-cpu=silvermont"}, 38 "skylake": []string{"-C target-cpu=skylake"}, 39 //TODO: Add target-cpu=stoneyridge when rustc supports it. 40 "stoneyridge": []string{""}, 41 "tremont": []string{"-C target-cpu=tremont"}, 42 // use prescott for x86_64, like cc/config/x86_device.go 43 "x86_64": []string{"-C target-cpu=prescott"}, 44 } 45) 46 47func init() { 48 registerToolchainFactory(android.Android, android.X86, x86ToolchainFactory) 49 50 pctx.StaticVariable("X86ToolchainRustFlags", strings.Join(x86RustFlags, " ")) 51 pctx.StaticVariable("X86ToolchainLinkFlags", strings.Join(x86LinkFlags, " ")) 52 53 for variant, rustFlags := range x86ArchVariantRustFlags { 54 pctx.StaticVariable("X86"+variant+"VariantRustFlags", 55 strings.Join(rustFlags, " ")) 56 } 57 58} 59 60type toolchainX86 struct { 61 toolchain32Bit 62 toolchainRustFlags string 63} 64 65func (t *toolchainX86) RustTriple() string { 66 return "i686-linux-android" 67} 68 69func (t *toolchainX86) ToolchainLinkFlags() string { 70 // Prepend the lld flags from cc_config so we stay in sync with cc 71 return "${config.DeviceGlobalLinkFlags} ${cc_config.X86Lldflags} ${config.X86ToolchainLinkFlags}" 72} 73 74func (t *toolchainX86) ToolchainRustFlags() string { 75 return t.toolchainRustFlags 76} 77 78func (t *toolchainX86) RustFlags() string { 79 return "${config.X86ToolchainRustFlags}" 80} 81 82func (t *toolchainX86) Supported() bool { 83 return true 84} 85 86func (toolchainX86) LibclangRuntimeLibraryArch() string { 87 return "i686" 88} 89 90func x86ToolchainFactory(arch android.Arch) Toolchain { 91 toolchainRustFlags := []string{ 92 "${config.X86ToolchainRustFlags}", 93 "${config.X86" + arch.ArchVariant + "VariantRustFlags}", 94 } 95 96 toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...) 97 98 for _, feature := range arch.ArchFeatures { 99 toolchainRustFlags = append(toolchainRustFlags, x86ArchFeatureRustFlags[feature]...) 100 } 101 102 return &toolchainX86{ 103 toolchainRustFlags: strings.Join(toolchainRustFlags, " "), 104 } 105} 106