| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package art |
| |
| // This file implements the "codegen" property to apply different properties based on the currently |
| // selected codegen arches, which defaults to all arches on the host and the primary and secondary |
| // arches on the device. |
| |
| import ( |
| "sort" |
| "strings" |
| |
| "android/soong/android" |
| ) |
| |
| type moduleType struct { |
| library bool |
| static bool |
| shared bool |
| } |
| |
| var ( |
| staticLibrary = moduleType{true, true, false} |
| sharedLibrary = moduleType{true, false, true} |
| staticAndSharedLibrary = moduleType{true, true, true} |
| binary = moduleType{false, false, false} |
| ) |
| |
| func codegen(ctx android.LoadHookContext, c *codegenProperties, t moduleType) { |
| var hostArches, deviceArches []string |
| |
| e := ctx.Config().Getenv("ART_HOST_CODEGEN_ARCHS") |
| if e == "" { |
| hostArches = supportedArches |
| } else { |
| hostArches = strings.Split(e, " ") |
| } |
| |
| e = ctx.Config().Getenv("ART_TARGET_CODEGEN_ARCHS") |
| if e == "" { |
| deviceArches = defaultDeviceCodegenArches(ctx) |
| } else { |
| deviceArches = strings.Split(e, " ") |
| } |
| |
| getCodegenArchProperties := func(archName string) *codegenArchProperties { |
| var arch *codegenArchProperties |
| switch archName { |
| case "arm": |
| arch = &c.Codegen.Arm |
| case "arm64": |
| arch = &c.Codegen.Arm64 |
| case "x86": |
| arch = &c.Codegen.X86 |
| case "x86_64": |
| arch = &c.Codegen.X86_64 |
| default: |
| ctx.ModuleErrorf("Unknown codegen architecture %q", archName) |
| } |
| return arch |
| } |
| |
| appendCodegenSourceArchProperties := func(p *CodegenSourceArchProperties, archName string) { |
| arch := getCodegenArchProperties(archName) |
| p.Srcs = append(p.Srcs, arch.CodegenSourceArchProperties.Srcs...) |
| } |
| |
| addCodegenSourceArchProperties := func(host bool, p *CodegenSourceArchProperties) { |
| type sourceProps struct { |
| Target struct { |
| Android *CodegenSourceArchProperties |
| Host *CodegenSourceArchProperties |
| } |
| } |
| |
| sp := &sourceProps{} |
| if host { |
| sp.Target.Host = p |
| } else { |
| sp.Target.Android = p |
| } |
| ctx.AppendProperties(sp) |
| } |
| |
| addCodegenArchProperties := func(host bool, archName string) { |
| type commonProps struct { |
| Target struct { |
| Android *CodegenCommonArchProperties |
| Host *CodegenCommonArchProperties |
| } |
| } |
| |
| type sharedLibraryProps struct { |
| Target struct { |
| Android *CodegenLibraryArchSharedProperties |
| Host *CodegenLibraryArchSharedProperties |
| } |
| } |
| |
| type staticLibraryProps struct { |
| Target struct { |
| Android *CodegenLibraryArchStaticProperties |
| Host *CodegenLibraryArchStaticProperties |
| } |
| } |
| |
| arch := getCodegenArchProperties(archName) |
| |
| cp := &commonProps{} |
| sharedLP := &sharedLibraryProps{} |
| staticLP := &staticLibraryProps{} |
| if host { |
| cp.Target.Host = &arch.CodegenCommonArchProperties |
| sharedLP.Target.Host = &arch.CodegenLibraryArchSharedProperties |
| staticLP.Target.Host = &arch.CodegenLibraryArchStaticProperties |
| } else { |
| cp.Target.Android = &arch.CodegenCommonArchProperties |
| sharedLP.Target.Android = &arch.CodegenLibraryArchSharedProperties |
| staticLP.Target.Android = &arch.CodegenLibraryArchStaticProperties |
| } |
| |
| ctx.AppendProperties(cp) |
| if t.library { |
| if t.static { |
| ctx.AppendProperties(staticLP) |
| } |
| if t.shared { |
| ctx.AppendProperties(sharedLP) |
| } |
| } |
| } |
| |
| addCodegenProperties := func(host bool, arches []string) { |
| sourceProps := &CodegenSourceArchProperties{} |
| for _, arch := range arches { |
| appendCodegenSourceArchProperties(sourceProps, arch) |
| addCodegenArchProperties(host, arch) |
| } |
| sourceProps.Srcs = android.FirstUniqueStrings(sourceProps.Srcs) |
| addCodegenSourceArchProperties(host, sourceProps) |
| } |
| |
| addCodegenProperties(false /* host */, deviceArches) |
| addCodegenProperties(true /* host */, hostArches) |
| } |
| |
| // These properties are allowed to contain the same source file name in different architectures. |
| // They we will be deduplicated automatically. |
| type CodegenSourceArchProperties struct { |
| Srcs []string |
| } |
| |
| type CodegenCommonArchProperties struct { |
| Cflags []string |
| Cppflags []string |
| } |
| |
| type CodegenLibraryArchStaticProperties struct { |
| Static struct { |
| Whole_static_libs []string |
| } |
| } |
| type CodegenLibraryArchSharedProperties struct { |
| Shared struct { |
| Shared_libs []string |
| Export_shared_lib_headers []string |
| } |
| } |
| |
| type codegenArchProperties struct { |
| CodegenSourceArchProperties |
| CodegenCommonArchProperties |
| CodegenLibraryArchStaticProperties |
| CodegenLibraryArchSharedProperties |
| } |
| |
| type codegenProperties struct { |
| Codegen struct { |
| Arm, Arm64, X86, X86_64 codegenArchProperties |
| } |
| } |
| |
| func defaultDeviceCodegenArches(ctx android.LoadHookContext) []string { |
| arches := make(map[string]bool) |
| for _, a := range ctx.DeviceConfig().Arches() { |
| s := a.ArchType.String() |
| arches[s] = true |
| if s == "arm64" { |
| arches["arm"] = true |
| } else if s == "x86_64" { |
| arches["x86"] = true |
| } |
| } |
| ret := make([]string, 0, len(arches)) |
| for a := range arches { |
| ret = append(ret, a) |
| } |
| sort.Strings(ret) |
| return ret |
| } |
| |
| func installCodegenCustomizer(module android.Module, t moduleType) { |
| c := &codegenProperties{} |
| android.AddLoadHook(module, func(ctx android.LoadHookContext) { codegen(ctx, c, t) }) |
| module.AddProperties(c) |
| } |