ad64c39442
In the previous mode, building Rust code using certain intrinsics would fail on arm32 since our runtime is armv7, but our codegen was arm. Test: cd external/rust; mma Bug: 169245712 Change-Id: Ie800486b39325486f5ff319e46632df2a6987391
90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
// Copyright 2019 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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ArmRustFlags = []string{}
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ArmArchFeatureRustFlags = map[string][]string{}
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ArmLinkFlags = []string{}
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ArmArchVariantRustFlags = map[string][]string{
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"armv7-a": []string{},
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"armv7-a-neon": []string{},
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"armv8-a": []string{},
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"armv8-2a": []string{},
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}
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)
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func init() {
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registerToolchainFactory(android.Android, android.Arm, ArmToolchainFactory)
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pctx.StaticVariable("ArmToolchainRustFlags", strings.Join(ArmRustFlags, " "))
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pctx.StaticVariable("ArmToolchainLinkFlags", strings.Join(ArmLinkFlags, " "))
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for variant, rustFlags := range ArmArchVariantRustFlags {
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pctx.StaticVariable("Arm"+variant+"VariantRustFlags",
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strings.Join(rustFlags, " "))
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}
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}
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type toolchainArm struct {
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toolchain32Bit
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toolchainRustFlags string
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}
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func (t *toolchainArm) RustTriple() string {
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return "armv7-linux-androideabi"
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}
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func (t *toolchainArm) 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.ArmLldflags} ${config.ArmToolchainLinkFlags}"
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}
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func (t *toolchainArm) ToolchainRustFlags() string {
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return t.toolchainRustFlags
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}
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func (t *toolchainArm) RustFlags() string {
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return "${config.ArmToolchainRustFlags}"
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}
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func (t *toolchainArm) Supported() bool {
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return true
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}
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func ArmToolchainFactory(arch android.Arch) Toolchain {
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toolchainRustFlags := []string{
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"${config.ArmToolchainRustFlags}",
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"${config.Arm" + arch.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, ArmArchFeatureRustFlags[feature]...)
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}
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return &toolchainArm{
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toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
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}
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}
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