platform_build_soong/rust/config/arm64_device.go

93 lines
2.4 KiB
Go

// 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{
"-Wl,--icf=safe",
"-Wl,-z,max-page-size=4096",
"-Wl,-execute-only",
}
Arm64ArchVariantRustFlags = map[string][]string{
"armv8-a": []string{},
"armv8-2a": []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 {
return "${config.DeviceGlobalLinkFlags} ${config.Arm64ToolchainLinkFlags}"
}
func (t *toolchainArm64) ToolchainRustFlags() string {
return t.toolchainRustFlags
}
func (t *toolchainArm64) RustFlags() string {
return "${config.Arm64ToolchainRustFlags}"
}
func (t *toolchainArm64) Supported() bool {
return true
}
func Arm64ToolchainFactory(arch android.Arch) Toolchain {
toolchainRustFlags := []string{
"${config.Arm64ToolchainRustFlags}",
"${config.Arm64" + arch.ArchVariant + "VariantRustFlags}",
}
toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
for _, feature := range arch.ArchFeatures {
toolchainRustFlags = append(toolchainRustFlags, Arm64ArchFeatureRustFlags[feature]...)
}
return &toolchainArm64{
toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
}
}