4b350985eb
We have a CTS test for this, so we may as well let the compiler take advantage! Test: treehugger Change-Id: Icb6dc73be5e6da1155f39ca03245ae6b9d24dfb5
150 lines
4 KiB
Go
150 lines
4 KiB
Go
// Copyright 2022 Google Inc. All rights reserved.
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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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"fmt"
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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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riscv64Cflags = []string{
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// Help catch common 32/64-bit errors.
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"-Werror=implicit-function-declaration",
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"-fno-emulated-tls",
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"-march=rv64gcv_zba_zbb_zbs",
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// Equivalent to "-munaligned-access", but our clang doesn't have that yet.
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"-Xclang -target-feature -Xclang +unaligned-scalar-mem",
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"-Xclang -target-feature -Xclang +unaligned-vector-mem",
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}
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riscv64ArchVariantCflags = map[string][]string{}
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riscv64Ldflags = []string{
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"-Wl,--hash-style=gnu",
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"-march=rv64gcv_zba_zbb_zbs",
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// Equivalent to "-munaligned-access", but our clang doesn't have that yet.
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"-Xclang -target-feature -Xclang +unaligned-scalar-mem",
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"-Xclang -target-feature -Xclang +unaligned-vector-mem",
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}
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riscv64Lldflags = append(riscv64Ldflags,
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"-Wl,-z,max-page-size=4096",
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"-Wl,-plugin-opt,-emulated-tls=0",
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)
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riscv64Cppflags = []string{}
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riscv64CpuVariantCflags = map[string][]string{}
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)
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const ()
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func init() {
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exportedVars.ExportStringListStaticVariable("Riscv64Ldflags", riscv64Ldflags)
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exportedVars.ExportStringListStaticVariable("Riscv64Lldflags", riscv64Lldflags)
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exportedVars.ExportStringListStaticVariable("Riscv64Cflags", riscv64Cflags)
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exportedVars.ExportStringListStaticVariable("Riscv64Cppflags", riscv64Cppflags)
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exportedVars.ExportVariableReferenceDict("Riscv64ArchVariantCflags", riscv64ArchVariantCflagsVar)
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exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantCflags", riscv64CpuVariantCflagsVar)
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exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantLdflags", riscv64CpuVariantLdflags)
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}
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var (
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riscv64ArchVariantCflagsVar = map[string]string{}
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riscv64CpuVariantCflagsVar = map[string]string{}
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riscv64CpuVariantLdflags = map[string]string{}
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)
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type toolchainRiscv64 struct {
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toolchainBionic
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toolchain64Bit
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ldflags string
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lldflags string
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toolchainCflags string
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}
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func (t *toolchainRiscv64) Name() string {
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return "riscv64"
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}
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func (t *toolchainRiscv64) IncludeFlags() string {
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return ""
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}
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func (t *toolchainRiscv64) ClangTriple() string {
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return "riscv64-linux-android"
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}
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func (t *toolchainRiscv64) Cflags() string {
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return "${config.Riscv64Cflags}"
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}
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func (t *toolchainRiscv64) Cppflags() string {
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return "${config.Riscv64Cppflags}"
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}
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func (t *toolchainRiscv64) Ldflags() string {
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return t.ldflags
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}
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func (t *toolchainRiscv64) Lldflags() string {
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return t.lldflags
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}
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func (t *toolchainRiscv64) ToolchainCflags() string {
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return t.toolchainCflags
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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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switch arch.ArchVariant {
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case "":
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default:
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panic(fmt.Sprintf("Unknown Riscv64 architecture version: %q", arch.ArchVariant))
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}
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toolchainCflags := []string{riscv64ArchVariantCflagsVar[arch.ArchVariant]}
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toolchainCflags = append(toolchainCflags,
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variantOrDefault(riscv64CpuVariantCflagsVar, arch.CpuVariant))
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extraLdflags := variantOrDefault(riscv64CpuVariantLdflags, arch.CpuVariant)
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return &toolchainRiscv64{
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ldflags: strings.Join([]string{
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"${config.Riscv64Ldflags}",
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extraLdflags,
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}, " "),
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lldflags: strings.Join([]string{
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"${config.Riscv64Lldflags}",
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extraLdflags,
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}, " "),
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toolchainCflags: strings.Join(toolchainCflags, " "),
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}
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}
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func init() {
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registerToolchainFactory(android.Android, android.Riscv64, riscv64ToolchainFactory)
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}
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