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// Copyright
2022 Google Inc. All rights reserved.
//
// 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"
cc_config "android/soong/cc/config"
)
var (
linuxArmRustflags = []string{}
linuxArmLinkflags = []string{}
linuxArm64Rustflags = []string{}
linuxArm64Linkflags = []string{}
)
func init() {
registerToolchainFactory(android.LinuxMusl, android.Arm64, linuxMuslArm64Toolchain
Factory)
registerToolchainFactory(android.LinuxMusl, android.Arm, linuxMuslArmToolchainFactory)
pctx.StaticVariable("LinuxToolchainArmRustFlags", strings.Join(linuxArmRustflags, " "))
pctx.StaticVariable("LinuxToolchainArmLinkFlags", strings.Join(linuxArmLinkflags, " "))
pctx.StaticVariable("LinuxToolchainArm64RustFlags", strings.Join(linuxArm64Rustflags, " "))
pctx.StaticVariable("LinuxToolchainArm64LinkFlags", strings.Join(linuxArm64Linkflags, " "))
}
// Base 64-bit linux rust toolchain
type toolchainLinuxArm64 struct {
toolchain64Bit
}
func (toolchainLinuxArm64) Supported() bool {
return true
}
func (toolchainLinuxArm64) Bionic() bool {
return false
}
func (t *toolchainLinuxArm64) Name() string {
return "arm64"
}
func (t *toolchainLinuxArm64) ToolchainLinkFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
// Prepend the lld flags from cc_config so we stay in sync with cc
return cc_config.FlagsWithDeps{
Flags: "${cc_config.LinuxLdflags} ${cc_config.LinuxArm64Ldflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainArm64LinkFlags}",
}
}
func (t *toolchainLinuxArm64) ToolchainRustFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
return LinuxToolchainRustFlags(ctx).AppendNoDeps("${config.LinuxToolchainArm64RustFlags}")
}
// Specialization of the 64-bit linux rust toolchain for musl. Adds the musl rust triple and
// linker flags to avoid using the host sysroot.
type toolchainLinuxMuslArm64 struct {
toolchainLinuxArm64
}
func (t *toolchainLinuxMuslArm64) RustTriple() string {
return "aarch64-unknown-linux-musl"
}
func (t *toolchainLinuxMuslArm64) ToolchainLinkFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
linuxMusl := cc_config.FlagsWithDeps{
Flags: "${config.LinuxMuslToolchainLinkFlags}",
}
return t.toolchainLinuxArm64.ToolchainLinkFlags(ctx).Append(linuxMusl)
}
func (t *toolchainLinuxMuslArm64) ToolchainRustFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
return t.toolchainLinuxArm64.ToolchainRustFlags(ctx).AppendNoDeps("${config.LinuxMuslToolchainRustFlags}")
}
func linuxMuslArm64ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslArm64Singleton
}
// Base 32-bit linux rust toolchain
type toolchainLinuxArm struct {
toolchain32Bit
}
func (toolchainLinuxArm) Supported() bool {
return true
}
func (toolchainLinuxArm) Bionic() bool {
return false
}
func (t *toolchainLinuxArm) Name() string {
return "arm"
}
func (toolchainLinuxArm) LibclangRuntimeLibraryArch() string {
return "arm"
}
func (toolchainLinuxArm64) LibclangRuntimeLibraryArch() string {
return "arm64"
}
func (t *toolchainLinuxArm) ToolchainLinkFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
// Prepend the lld flags from cc_config so we stay in sync with cc
return cc_config.FlagsWithDeps{
Flags: "${cc_config.LinuxLdflags} ${cc_config.LinuxArmLdflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainArmLinkFlags}",
}
}
func (t *toolchainLinuxArm) ToolchainRustFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
return LinuxToolchainRustFlags(ctx).AppendNoDeps("${config.LinuxToolchainArmRustFlags}")
}
// Specialization of the 32-bit linux rust toolchain for musl. Adds the musl rust triple and
// linker flags to avoid using the host sysroot.
type toolchainLinuxMuslArm struct {
toolchainLinuxArm
}
func (t *toolchainLinuxMuslArm) RustTriple() string {
return "arm-unknown-linux-musleabihf"
}
func (t *toolchainLinuxMuslArm) ToolchainLinkFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
linuxMusl := cc_config.FlagsWithDeps{
Flags: "${config.LinuxMuslToolchainLinkFlags}",
}
return t.toolchainLinuxArm.ToolchainLinkFlags(ctx).Append(linuxMusl)
}
func (t *toolchainLinuxMuslArm) ToolchainRustFlags(ctx ToolchainFlagsContext) cc_config.FlagsWithDeps {
return t.toolchainLinuxArm.ToolchainRustFlags(ctx).AppendNoDeps("${config.LinuxMuslToolchainRustFlags}")
}
func linuxMuslArmToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslArmSingleton
}
var toolchainLinuxMuslArm64Singleton Toolchain = &toolchainLinuxMuslArm64{}
var toolchainLinuxMuslArmSingleton Toolchain = &toolchainLinuxMuslArm{}