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// 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 (
ArmRustFlags = []string{}
ArmArchFeatureRustFlags = map[string][]string{}
ArmLinkFlags = []string{}
ArmArchVariantRustFlags = map[string][]string{
"armv7-a": []string{},
"armv7-a-neon": []string{},
"armv8-a": []string{},
"armv8-2a": []string{},
}
)
func init() {
registerToolchainFactory(android.Android, android.Arm, ArmToolchainFactory)
pctx.StaticVariable("ArmToolchainRustFlags", strings.Join(ArmRustFlags, " "))
pctx.StaticVariable("ArmToolchainLinkFlags", strings.Join(ArmLinkFlags, " "))
for variant, rustFlags := range ArmArchVariantRustFlags {
pctx.StaticVariable("Arm"+variant+"VariantRustFlags",
strings.Join(rustFlags, " "))
}
}
type toolchainArm struct {
toolchain32Bit
toolchainRustFlags string
}
func (t *toolchainArm) RustTriple() string {
return "armv7-linux-androideabi"
}
func (t *toolchainArm) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${config.DeviceGlobalLinkFlags} ${cc_config.ArmLldflags} ${config.ArmToolchainLinkFlags}"
}
func (t *toolchainArm) ToolchainRustFlags() string {
return t.toolchainRustFlags
}
func (t *toolchainArm) RustFlags() string {
return "${config.ArmToolchainRustFlags}"
}
func (t *toolchainArm) Supported() bool {
return true
}
func ArmToolchainFactory(arch android.Arch) Toolchain {
toolchainRustFlags := []string{
"${config.ArmToolchainRustFlags}",
"${config.Arm" + arch.ArchVariant + "VariantRustFlags}",
}
toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
for _, feature := range arch.ArchFeatures {
toolchainRustFlags = append(toolchainRustFlags, ArmArchFeatureRustFlags[feature]...)
}
return &toolchainArm{
toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
}
}
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