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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 (
- "fmt"
- "strings"
- "android/soong/android"
- )
- var (
- riscv64Cflags = []string{
- // Help catch common 32/64-bit errors.
- "-Werror=implicit-function-declaration",
- "-fno-emulated-tls",
- // A temporary fix for SExtWRemoval miscompilation bug.
- "-mllvm",
- "-riscv-disable-sextw-removal=true",
- }
- riscv64ArchVariantCflags = map[string][]string{}
- riscv64Ldflags = []string{
- "-Wl,--hash-style=gnu",
- }
- riscv64Lldflags = append(riscv64Ldflags,
- "-Wl,-z,max-page-size=4096",
- "-Wl,-plugin-opt,-emulated-tls=0",
- )
- riscv64Cppflags = []string{}
- riscv64CpuVariantCflags = map[string][]string{}
- )
- const ()
- func init() {
- exportedVars.ExportStringListStaticVariable("Riscv64Ldflags", riscv64Ldflags)
- exportedVars.ExportStringListStaticVariable("Riscv64Lldflags", riscv64Lldflags)
- exportedVars.ExportStringListStaticVariable("Riscv64Cflags", riscv64Cflags)
- exportedVars.ExportStringListStaticVariable("Riscv64Cppflags", riscv64Cppflags)
- exportedVars.ExportVariableReferenceDict("Riscv64ArchVariantCflags", riscv64ArchVariantCflagsVar)
- exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantCflags", riscv64CpuVariantCflagsVar)
- exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantLdflags", riscv64CpuVariantLdflags)
- }
- var (
- riscv64ArchVariantCflagsVar = map[string]string{}
- riscv64CpuVariantCflagsVar = map[string]string{}
- riscv64CpuVariantLdflags = map[string]string{}
- )
- type toolchainRiscv64 struct {
- toolchainBionic
- toolchain64Bit
- ldflags string
- lldflags string
- toolchainCflags string
- }
- func (t *toolchainRiscv64) Name() string {
- return "riscv64"
- }
- func (t *toolchainRiscv64) IncludeFlags() string {
- return ""
- }
- func (t *toolchainRiscv64) ClangTriple() string {
- return "riscv64-linux-android"
- }
- func (t *toolchainRiscv64) Cflags() string {
- return "${config.Riscv64Cflags}"
- }
- func (t *toolchainRiscv64) Cppflags() string {
- return "${config.Riscv64Cppflags}"
- }
- func (t *toolchainRiscv64) Ldflags() string {
- return t.ldflags
- }
- func (t *toolchainRiscv64) Lldflags() string {
- return t.lldflags
- }
- func (t *toolchainRiscv64) ToolchainCflags() string {
- return t.toolchainCflags
- }
- func (toolchainRiscv64) LibclangRuntimeLibraryArch() string {
- return "riscv64"
- }
- func riscv64ToolchainFactory(arch android.Arch) Toolchain {
- switch arch.ArchVariant {
- case "":
- default:
- panic(fmt.Sprintf("Unknown Riscv64 architecture version: %q", arch.ArchVariant))
- }
- toolchainCflags := []string{riscv64ArchVariantCflagsVar[arch.ArchVariant]}
- toolchainCflags = append(toolchainCflags,
- variantOrDefault(riscv64CpuVariantCflagsVar, arch.CpuVariant))
- extraLdflags := variantOrDefault(riscv64CpuVariantLdflags, arch.CpuVariant)
- return &toolchainRiscv64{
- ldflags: strings.Join([]string{
- "${config.Riscv64Ldflags}",
- extraLdflags,
- }, " "),
- lldflags: strings.Join([]string{
- "${config.Riscv64Lldflags}",
- extraLdflags,
- }, " "),
- toolchainCflags: strings.Join(toolchainCflags, " "),
- }
- }
- func init() {
- registerToolchainFactory(android.Android, android.Riscv64, riscv64ToolchainFactory)
- }
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