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 "alderlake": []string{"-C target-cpu=alderlake"}, 31 "atom": []string{"-C target-cpu=atom"}, 32 "broadwell": []string{"-C target-cpu=broadwell"}, 33 "goldmont": []string{"-C target-cpu=goldmont"}, 34 "goldmont-plus": []string{"-C target-cpu=goldmont-plus"}, 35 "goldmont-without-sha-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-sha,-xsaves"}, 36 "haswell": []string{"-C target-cpu=haswell"}, 37 "ivybridge": []string{"-C target-cpu=ivybridge"}, 38 "sandybridge": []string{"-C target-cpu=sandybridge"}, 39 "silvermont": []string{"-C target-cpu=silvermont"}, 40 "skylake": []string{"-C target-cpu=skylake"}, 41 //TODO: Add target-cpu=stoneyridge when rustc supports it. 42 "stoneyridge": []string{""}, 43 "tremont": []string{"-C target-cpu=tremont"}, 44 // use prescott for x86_64, like cc/config/x86_device.go 45 "x86_64": []string{"-C target-cpu=prescott"}, 46 } 47) 48 49func init() { 50 registerToolchainFactory(android.Android, android.X86, x86ToolchainFactory) 51 52 pctx.StaticVariable("X86ToolchainRustFlags", strings.Join(x86RustFlags, " ")) 53 pctx.StaticVariable("X86ToolchainLinkFlags", strings.Join(x86LinkFlags, " ")) 54 55 for variant, rustFlags := range x86ArchVariantRustFlags { 56 pctx.StaticVariable("X86"+variant+"VariantRustFlags", 57 strings.Join(rustFlags, " ")) 58 } 59 60 pctx.StaticVariable("DEVICE_X86_RUSTC_FLAGS", strings.Join(x86RustFlags, " ")) 61} 62 63type toolchainX86 struct { 64 toolchain32Bit 65 toolchainRustFlags string 66} 67 68func (t *toolchainX86) RustTriple() string { 69 return "i686-linux-android" 70} 71 72func (t *toolchainX86) ToolchainLinkFlags() string { 73 // Prepend the lld flags from cc_config so we stay in sync with cc 74 return "${config.DeviceGlobalLinkFlags} ${cc_config.X86Lldflags} ${config.X86ToolchainLinkFlags}" 75} 76 77func (t *toolchainX86) ToolchainRustFlags() string { 78 return t.toolchainRustFlags 79} 80 81func (t *toolchainX86) RustFlags() string { 82 return "${config.X86ToolchainRustFlags}" 83} 84 85func (t *toolchainX86) Supported() bool { 86 return true 87} 88 89func (toolchainX86) LibclangRuntimeLibraryArch() string { 90 return "i686" 91} 92 93func x86ToolchainFactory(arch android.Arch) Toolchain { 94 toolchainRustFlags := []string{ 95 "${config.X86ToolchainRustFlags}", 96 "${config.X86" + arch.ArchVariant + "VariantRustFlags}", 97 } 98 99 toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...) 100 101 for _, feature := range arch.ArchFeatures { 102 toolchainRustFlags = append(toolchainRustFlags, x86ArchFeatureRustFlags[feature]...) 103 } 104 105 return &toolchainX86{ 106 toolchainRustFlags: strings.Join(toolchainRustFlags, " "), 107 } 108} 109