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 x86_64RustFlags = []string{ 25 "-C force-frame-pointers=y", 26 } 27 x86_64ArchFeatureRustFlags = map[string][]string{} 28 x86_64LinkFlags = []string{} 29 30 x86_64ArchVariantRustFlags = map[string][]string{ 31 "": []string{}, 32 "alderlake": []string{"-C target-cpu=alderlake"}, 33 "broadwell": []string{"-C target-cpu=broadwell"}, 34 "goldmont": []string{"-C target-cpu=goldmont"}, 35 "goldmont-plus": []string{"-C target-cpu=goldmont-plus"}, 36 "goldmont-without-sha-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-sha,-xsaves"}, 37 "haswell": []string{"-C target-cpu=haswell"}, 38 "ivybridge": []string{"-C target-cpu=ivybridge"}, 39 "sandybridge": []string{"-C target-cpu=sandybridge"}, 40 "silvermont": []string{"-C target-cpu=silvermont"}, 41 "skylake": []string{"-C target-cpu=skylake"}, 42 //TODO: Add target-cpu=stoneyridge when rustc supports it. 43 "stoneyridge": []string{""}, 44 "tremont": []string{"-C target-cpu=tremont"}, 45 } 46) 47 48func init() { 49 registerToolchainFactory(android.Android, android.X86_64, x86_64ToolchainFactory) 50 51 pctx.StaticVariable("X86_64ToolchainRustFlags", strings.Join(x86_64RustFlags, " ")) 52 pctx.StaticVariable("X86_64ToolchainLinkFlags", strings.Join(x86_64LinkFlags, " ")) 53 54 for variant, rustFlags := range x86_64ArchVariantRustFlags { 55 pctx.StaticVariable("X86_64"+variant+"VariantRustFlags", 56 strings.Join(rustFlags, " ")) 57 } 58 pctx.StaticVariable("DEVICE_X86_64_RUSTC_FLAGS", strings.Join(x86_64RustFlags, " ")) 59} 60 61type toolchainX86_64 struct { 62 toolchain64Bit 63 toolchainRustFlags string 64} 65 66func (t *toolchainX86_64) RustTriple() string { 67 return "x86_64-linux-android" 68} 69 70func (t *toolchainX86_64) ToolchainLinkFlags() string { 71 // Prepend the lld flags from cc_config so we stay in sync with cc 72 return "${config.DeviceGlobalLinkFlags} ${cc_config.X86_64Lldflags} ${config.X86_64ToolchainLinkFlags}" 73} 74 75func (t *toolchainX86_64) ToolchainRustFlags() string { 76 return t.toolchainRustFlags 77} 78 79func (t *toolchainX86_64) RustFlags() string { 80 return "${config.X86_64ToolchainRustFlags}" 81} 82 83func (t *toolchainX86_64) Supported() bool { 84 return true 85} 86 87func (toolchainX86_64) LibclangRuntimeLibraryArch() string { 88 return "x86_64" 89} 90 91func x86_64ToolchainFactory(arch android.Arch) Toolchain { 92 toolchainRustFlags := []string{ 93 "${config.X86_64ToolchainRustFlags}", 94 "${config.X86_64" + arch.ArchVariant + "VariantRustFlags}", 95 } 96 97 toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...) 98 99 for _, feature := range arch.ArchFeatures { 100 toolchainRustFlags = append(toolchainRustFlags, x86_64ArchFeatureRustFlags[feature]...) 101 } 102 103 return &toolchainX86_64{ 104 toolchainRustFlags: strings.Join(toolchainRustFlags, " "), 105 } 106} 107