| // Copyright 2019 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 config |
| |
| import ( |
| "strings" |
| |
| "android/soong/android" |
| ) |
| |
| var ( |
| Arm64RustFlags = []string{} |
| Arm64ArchFeatureRustFlags = map[string][]string{} |
| Arm64LinkFlags = []string{} |
| |
| Arm64ArchVariantRustFlags = map[string][]string{ |
| "armv8-a": []string{}, |
| "armv8-a-branchprot": []string{}, |
| "armv8-2a": []string{}, |
| "armv8-2a-dotprod": []string{}, |
| } |
| ) |
| |
| func init() { |
| registerToolchainFactory(android.Android, android.Arm64, Arm64ToolchainFactory) |
| |
| pctx.StaticVariable("Arm64ToolchainRustFlags", strings.Join(Arm64RustFlags, " ")) |
| pctx.StaticVariable("Arm64ToolchainLinkFlags", strings.Join(Arm64LinkFlags, " ")) |
| |
| for variant, rustFlags := range Arm64ArchVariantRustFlags { |
| pctx.StaticVariable("Arm64"+variant+"VariantRustFlags", |
| strings.Join(rustFlags, " ")) |
| } |
| |
| } |
| |
| type toolchainArm64 struct { |
| toolchain64Bit |
| toolchainRustFlags string |
| } |
| |
| func (t *toolchainArm64) RustTriple() string { |
| return "aarch64-linux-android" |
| } |
| |
| func (t *toolchainArm64) ToolchainLinkFlags() string { |
| // Prepend the lld flags from cc_config so we stay in sync with cc |
| return "${config.DeviceGlobalLinkFlags} ${cc_config.Arm64Lldflags} ${config.Arm64ToolchainLinkFlags}" |
| } |
| |
| func (t *toolchainArm64) ToolchainRustFlags() string { |
| return t.toolchainRustFlags |
| } |
| |
| func (t *toolchainArm64) RustFlags() string { |
| return "${config.Arm64ToolchainRustFlags}" |
| } |
| |
| func (t *toolchainArm64) Supported() bool { |
| return true |
| } |
| |
| func (toolchainArm64) LibclangRuntimeLibraryArch() string { |
| return "aarch64" |
| } |
| |
| func Arm64ToolchainFactory(arch android.Arch) Toolchain { |
| archVariant := arch.ArchVariant |
| if archVariant == "" { |
| // arch variants defaults to armv8-a. This is mostly for |
| // the host target which borrows toolchain configs from here. |
| archVariant = "armv8-a" |
| } |
| |
| toolchainRustFlags := []string{ |
| "${config.Arm64ToolchainRustFlags}", |
| "${config.Arm64" + archVariant + "VariantRustFlags}", |
| } |
| |
| toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...) |
| |
| for _, feature := range arch.ArchFeatures { |
| toolchainRustFlags = append(toolchainRustFlags, Arm64ArchFeatureRustFlags[feature]...) |
| } |
| |
| return &toolchainArm64{ |
| toolchainRustFlags: strings.Join(toolchainRustFlags, " "), |
| } |
| } |