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// Copyright 2022 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 (
Riscv64RustFlags = []string{
"-C force-frame-pointers=y",
}
Riscv64ArchFeatureRustFlags = map[string][]string{
"riscv64": {
"-C target-feature=+V,+Zba,+Zbb,+Zbs",
},
}
Riscv64LinkFlags = []string{}
Riscv64ArchVariantRustFlags = map[string][]string{"": {}}
)
func init() {
registerToolchainFactory(android.Android, android.Riscv64, Riscv64ToolchainFactory)
pctx.StaticVariable("Riscv64ToolchainRustFlags", strings.Join(Riscv64RustFlags, " "))
pctx.StaticVariable("Riscv64ToolchainLinkFlags", strings.Join(Riscv64LinkFlags, " "))
for variant, rustFlags := range Riscv64ArchVariantRustFlags {
pctx.StaticVariable("Riscv64"+variant+"VariantRustFlags",
strings.Join(rustFlags, " "))
}
}
type toolchainRiscv64 struct {
toolchain64Bit
toolchainRustFlags string
}
func (t *toolchainRiscv64) RustTriple() string {
return "riscv64-linux-android"
}
func (t *toolchainRiscv64) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${config.DeviceGlobalLinkFlags} ${cc_config.Riscv64Lldflags} ${config.Riscv64ToolchainLinkFlags}"
}
func (t *toolchainRiscv64) ToolchainRustFlags() string {
return t.toolchainRustFlags
}
func (t *toolchainRiscv64) RustFlags() string {
return "${config.Riscv64ToolchainRustFlags}"
}
func (t *toolchainRiscv64) Supported() bool {
return true
}
func (toolchainRiscv64) LibclangRuntimeLibraryArch() string {
return "riscv64"
}
func Riscv64ToolchainFactory(arch android.Arch) Toolchain {
archVariant := arch.ArchVariant
toolchainRustFlags := []string{
"${config.Riscv64ToolchainRustFlags}",
"${config.Riscv64" + archVariant + "VariantRustFlags}",
}
toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
for _, feature := range arch.ArchFeatures {
toolchainRustFlags = append(toolchainRustFlags, Riscv64ArchFeatureRustFlags[feature]...)
}
return &toolchainRiscv64{
toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
}
}
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