820ec84427
This CL enables the following features for riscv64 Rust builds in Android: V, Zba, Zbb, and Zbs Test: m rust Bug: 300313717 Bug: 300312461 Change-Id: I8712b1850a60a05e99a3e89e602bb56d2ccf2563
97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
// Copyright 2022 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"strings"
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"android/soong/android"
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)
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var (
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Riscv64RustFlags = []string{
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"-C force-frame-pointers=y",
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}
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Riscv64ArchFeatureRustFlags = map[string][]string{
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"riscv64": {
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"-C target-feature=+V,+Zba,+Zbb,+Zbs",
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},
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}
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Riscv64LinkFlags = []string{}
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Riscv64ArchVariantRustFlags = map[string][]string{"": {}}
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)
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func init() {
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registerToolchainFactory(android.Android, android.Riscv64, Riscv64ToolchainFactory)
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pctx.StaticVariable("Riscv64ToolchainRustFlags", strings.Join(Riscv64RustFlags, " "))
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pctx.StaticVariable("Riscv64ToolchainLinkFlags", strings.Join(Riscv64LinkFlags, " "))
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for variant, rustFlags := range Riscv64ArchVariantRustFlags {
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pctx.StaticVariable("Riscv64"+variant+"VariantRustFlags",
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strings.Join(rustFlags, " "))
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}
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}
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type toolchainRiscv64 struct {
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toolchain64Bit
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toolchainRustFlags string
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}
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func (t *toolchainRiscv64) RustTriple() string {
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return "riscv64-linux-android"
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}
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func (t *toolchainRiscv64) ToolchainLinkFlags() string {
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// Prepend the lld flags from cc_config so we stay in sync with cc
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return "${config.DeviceGlobalLinkFlags} ${cc_config.Riscv64Lldflags} ${config.Riscv64ToolchainLinkFlags}"
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}
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func (t *toolchainRiscv64) ToolchainRustFlags() string {
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return t.toolchainRustFlags
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}
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func (t *toolchainRiscv64) RustFlags() string {
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return "${config.Riscv64ToolchainRustFlags}"
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}
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func (t *toolchainRiscv64) Supported() bool {
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return true
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}
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func (toolchainRiscv64) LibclangRuntimeLibraryArch() string {
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return "riscv64"
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}
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func Riscv64ToolchainFactory(arch android.Arch) Toolchain {
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archVariant := arch.ArchVariant
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toolchainRustFlags := []string{
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"${config.Riscv64ToolchainRustFlags}",
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"${config.Riscv64" + archVariant + "VariantRustFlags}",
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}
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toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
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for _, feature := range arch.ArchFeatures {
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toolchainRustFlags = append(toolchainRustFlags, Riscv64ArchFeatureRustFlags[feature]...)
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}
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return &toolchainRiscv64{
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toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
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}
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}
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