1// Copyright (C) 2016 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 art 16 17// This file implements the "codegen" property to apply different properties based on the currently 18// selected codegen arches, which defaults to all arches on the host and the primary and secondary 19// arches on the device. 20 21import ( 22 "android/soong/android" 23 "sort" 24 "strings" 25 26 "github.com/google/blueprint" 27) 28 29func codegen(ctx android.LoadHookContext, c *codegenProperties, library bool) { 30 var hostArches, deviceArches []string 31 32 e := envDefault(ctx, "ART_HOST_CODEGEN_ARCHS", "") 33 if e == "" { 34 hostArches = supportedArches 35 } else { 36 hostArches = strings.Split(e, " ") 37 } 38 39 e = envDefault(ctx, "ART_TARGET_CODEGEN_ARCHS", "") 40 if e == "" { 41 deviceArches = defaultDeviceCodegenArches(ctx) 42 } else { 43 deviceArches = strings.Split(e, " ") 44 } 45 46 addCodegenArchProperties := func(host bool, archName string) { 47 type props struct { 48 Target struct { 49 Android *CodegenCommonArchProperties 50 Host *CodegenCommonArchProperties 51 } 52 } 53 54 type libraryProps struct { 55 Target struct { 56 Android *CodegenLibraryArchProperties 57 Host *CodegenLibraryArchProperties 58 } 59 } 60 61 var arch *codegenArchProperties 62 switch archName { 63 case "arm": 64 arch = &c.Codegen.Arm 65 case "arm64": 66 arch = &c.Codegen.Arm64 67 case "mips": 68 arch = &c.Codegen.Mips 69 case "mips64": 70 arch = &c.Codegen.Mips64 71 case "x86": 72 arch = &c.Codegen.X86 73 case "x86_64": 74 arch = &c.Codegen.X86_64 75 default: 76 ctx.ModuleErrorf("Unknown codegen architecture %q", archName) 77 return 78 } 79 80 p := &props{} 81 l := &libraryProps{} 82 if host { 83 p.Target.Host = &arch.CodegenCommonArchProperties 84 l.Target.Host = &arch.CodegenLibraryArchProperties 85 } else { 86 p.Target.Android = &arch.CodegenCommonArchProperties 87 l.Target.Android = &arch.CodegenLibraryArchProperties 88 } 89 90 ctx.AppendProperties(p) 91 if library { 92 ctx.AppendProperties(l) 93 } 94 } 95 96 for _, arch := range deviceArches { 97 addCodegenArchProperties(false, arch) 98 if ctx.Failed() { 99 return 100 } 101 } 102 103 for _, arch := range hostArches { 104 addCodegenArchProperties(true, arch) 105 if ctx.Failed() { 106 return 107 } 108 } 109} 110 111type CodegenCommonArchProperties struct { 112 Srcs []string 113 Cflags []string 114} 115 116type CodegenLibraryArchProperties struct { 117 Static struct { 118 Whole_static_libs []string 119 } 120 Shared struct { 121 Shared_libs []string 122 } 123} 124 125type codegenArchProperties struct { 126 CodegenCommonArchProperties 127 CodegenLibraryArchProperties 128} 129 130type codegenProperties struct { 131 Codegen struct { 132 Arm, Arm64, Mips, Mips64, X86, X86_64 codegenArchProperties 133 } 134} 135 136type codegenCustomizer struct { 137 library bool 138 codegenProperties codegenProperties 139} 140 141func defaultDeviceCodegenArches(ctx android.LoadHookContext) []string { 142 arches := make(map[string]bool) 143 for _, a := range ctx.DeviceConfig().Arches() { 144 s := a.ArchType.String() 145 arches[s] = true 146 if s == "arm64" { 147 arches["arm"] = true 148 } else if s == "mips64" { 149 arches["mips"] = true 150 } else if s == "x86_64" { 151 arches["x86"] = true 152 } 153 } 154 ret := make([]string, 0, len(arches)) 155 for a := range arches { 156 ret = append(ret, a) 157 } 158 sort.Strings(ret) 159 return ret 160} 161 162func installCodegenCustomizer(module blueprint.Module, props []interface{}, library bool) []interface{} { 163 c := &codegenProperties{} 164 android.AddLoadHook(module, func(ctx android.LoadHookContext) { codegen(ctx, c, library) }) 165 props = append(props, c) 166 167 return props 168} 169