Files
build_soong/cc/config/x86_linux_host.go
Colin Cross fc3b064c9a Make toolchain more compose-y
Remove many of the overridden methods from toolchainBase in favor
of having smaller composable types.  toolchainNoCrt, toolchain32Bit
and toolchain64Bit now only provide a few methods and can be mixed
in to any toolchain type.  toolchainLinux, toolchainBionic,
toolchainWindows and toolchainDarwin now embed toolchainBase to provide
the default flags methods for when they don't override them.

This avoids the need for disambiguation methods required when a
type embeds two types that implement the same method.

Test: cc_test.go
Change-Id: I641da2a47aba597c517f693efedb65cf41273c82
2022-09-01 14:21:36 -07:00

419 lines
12 KiB
Go

// Copyright 2016 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"
)
var (
linuxCflags = []string{
"-Wa,--noexecstack",
"-fPIC",
"-U_FORTIFY_SOURCE",
"-D_FORTIFY_SOURCE=2",
"-fstack-protector",
// Workaround differences in inttypes.h between host and target.
//See bug 12708004.
"-D__STDC_FORMAT_MACROS",
"-D__STDC_CONSTANT_MACROS",
"--gcc-toolchain=${LinuxGccRoot}",
"-fstack-protector-strong",
}
linuxGlibcCflags = []string{
"--sysroot ${LinuxGccRoot}/sysroot",
}
linuxMuslCflags = []string{
"-D_LIBCPP_HAS_MUSL_LIBC",
"-DANDROID_HOST_MUSL",
"-nostdlibinc",
"--sysroot /dev/null",
}
linuxLdflags = []string{
"-Wl,-z,noexecstack",
"-Wl,-z,relro",
"-Wl,-z,now",
"-Wl,--no-undefined-version",
"--gcc-toolchain=${LinuxGccRoot}",
}
linuxGlibcLdflags = []string{
"--sysroot ${LinuxGccRoot}/sysroot",
}
linuxMuslLdflags = []string{
"-nostdlib",
"--sysroot /dev/null",
}
// Extended cflags
linuxX86Cflags = []string{
"-msse3",
"-m32",
"-march=prescott",
"-D_FILE_OFFSET_BITS=64",
"-D_LARGEFILE_SOURCE=1",
}
linuxX8664Cflags = []string{
"-m64",
}
linuxX86Ldflags = []string{
"-m32",
"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
"-L${LinuxGccRoot}/${LinuxGccTriple}/lib32",
}
linuxX8664Ldflags = []string{
"-m64",
"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
"-L${LinuxGccRoot}/${LinuxGccTriple}/lib64",
}
linuxAvailableLibraries = addPrefix([]string{
"c",
"dl",
"gcc",
"gcc_s",
"m",
"ncurses",
"pthread",
"resolv",
"rt",
"util",
}, "-l")
muslCrtBeginStaticBinary, muslCrtEndStaticBinary = []string{"libc_musl_crtbegin_static"}, []string{"libc_musl_crtend"}
muslCrtBeginSharedBinary, muslCrtEndSharedBinary = []string{"libc_musl_crtbegin_dynamic", "musl_linker_script"}, []string{"libc_musl_crtend"}
muslCrtBeginSharedLibrary, muslCrtEndSharedLibrary = []string{"libc_musl_crtbegin_so"}, []string{"libc_musl_crtend_so"}
muslDefaultSharedLibraries = []string{"libc_musl"}
)
const (
linuxGccVersion = "4.8.3"
linuxGlibcVersion = "2.17"
)
func init() {
exportedVars.ExportStringStaticVariable("LinuxGccVersion", linuxGccVersion)
exportedVars.ExportStringStaticVariable("LinuxGlibcVersion", linuxGlibcVersion)
// Most places use the full GCC version. A few only use up to the first two numbers.
if p := strings.Split(linuxGccVersion, "."); len(p) > 2 {
exportedVars.ExportStringStaticVariable("ShortLinuxGccVersion", strings.Join(p[:2], "."))
} else {
exportedVars.ExportStringStaticVariable("ShortLinuxGccVersion", linuxGccVersion)
}
exportedVars.ExportSourcePathVariable("LinuxGccRoot",
"prebuilts/gcc/linux-x86/host/x86_64-linux-glibc${LinuxGlibcVersion}-${ShortLinuxGccVersion}")
exportedVars.ExportStringListStaticVariable("LinuxGccTriple", []string{"x86_64-linux"})
exportedVars.ExportStringListStaticVariable("LinuxCflags", linuxCflags)
exportedVars.ExportStringListStaticVariable("LinuxLdflags", linuxLdflags)
exportedVars.ExportStringListStaticVariable("LinuxLldflags", linuxLdflags)
exportedVars.ExportStringListStaticVariable("LinuxGlibcCflags", linuxGlibcCflags)
exportedVars.ExportStringListStaticVariable("LinuxGlibcLdflags", linuxGlibcLdflags)
exportedVars.ExportStringListStaticVariable("LinuxGlibcLldflags", linuxGlibcLdflags)
exportedVars.ExportStringListStaticVariable("LinuxMuslCflags", linuxMuslCflags)
exportedVars.ExportStringListStaticVariable("LinuxMuslLdflags", linuxMuslLdflags)
exportedVars.ExportStringListStaticVariable("LinuxMuslLldflags", linuxMuslLdflags)
exportedVars.ExportStringListStaticVariable("LinuxX86Cflags", linuxX86Cflags)
exportedVars.ExportStringListStaticVariable("LinuxX8664Cflags", linuxX8664Cflags)
exportedVars.ExportStringListStaticVariable("LinuxX86Ldflags", linuxX86Ldflags)
exportedVars.ExportStringListStaticVariable("LinuxX86Lldflags", linuxX86Ldflags)
exportedVars.ExportStringListStaticVariable("LinuxX8664Ldflags", linuxX8664Ldflags)
exportedVars.ExportStringListStaticVariable("LinuxX8664Lldflags", linuxX8664Ldflags)
// Yasm flags
exportedVars.ExportStringListStaticVariable("LinuxX86YasmFlags", []string{"-f elf32 -m x86"})
exportedVars.ExportStringListStaticVariable("LinuxX8664YasmFlags", []string{"-f elf64 -m amd64"})
}
type toolchainLinux struct {
toolchainBase
cFlags, ldFlags string
}
type toolchainLinuxX86 struct {
toolchain32Bit
toolchainLinux
}
type toolchainLinuxX8664 struct {
toolchain64Bit
toolchainLinux
}
func (t *toolchainLinuxX86) Name() string {
return "x86"
}
func (t *toolchainLinuxX8664) Name() string {
return "x86_64"
}
func (t *toolchainLinux) GccRoot() string {
return "${config.LinuxGccRoot}"
}
func (t *toolchainLinux) GccTriple() string {
return "${config.LinuxGccTriple}"
}
func (t *toolchainLinux) GccVersion() string {
return linuxGccVersion
}
func (t *toolchainLinux) IncludeFlags() string {
return ""
}
func (t *toolchainLinuxX86) Cflags() string {
return "${config.LinuxCflags} ${config.LinuxX86Cflags}"
}
func (t *toolchainLinuxX86) Cppflags() string {
return ""
}
func (t *toolchainLinuxX8664) Cflags() string {
return "${config.LinuxCflags} ${config.LinuxX8664Cflags}"
}
func (t *toolchainLinuxX8664) Cppflags() string {
return ""
}
func (t *toolchainLinuxX86) Ldflags() string {
return "${config.LinuxLdflags} ${config.LinuxX86Ldflags}"
}
func (t *toolchainLinuxX86) Lldflags() string {
return "${config.LinuxLldflags} ${config.LinuxX86Lldflags}"
}
func (t *toolchainLinuxX8664) Ldflags() string {
return "${config.LinuxLdflags} ${config.LinuxX8664Ldflags}"
}
func (t *toolchainLinuxX8664) Lldflags() string {
return "${config.LinuxLldflags} ${config.LinuxX8664Lldflags}"
}
func (t *toolchainLinuxX86) YasmFlags() string {
return "${config.LinuxX86YasmFlags}"
}
func (t *toolchainLinuxX8664) YasmFlags() string {
return "${config.LinuxX8664YasmFlags}"
}
func (toolchainLinuxX86) LibclangRuntimeLibraryArch() string {
return "i386"
}
func (toolchainLinuxX8664) LibclangRuntimeLibraryArch() string {
return "x86_64"
}
func (t *toolchainLinux) AvailableLibraries() []string {
return linuxAvailableLibraries
}
func (toolchainLinux) ShlibSuffix() string {
return ".so"
}
func (toolchainLinux) ExecutableSuffix() string {
return ""
}
// glibc specialization of the linux toolchain
type toolchainGlibc struct {
toolchainNoCrt
}
func (toolchainGlibc) Glibc() bool { return true }
func (toolchainGlibc) Cflags() string {
return "${config.LinuxGlibcCflags}"
}
func (toolchainGlibc) Ldflags() string {
return "${config.LinuxGlibcLdflags}"
}
func (toolchainGlibc) Lldflags() string {
return "${config.LinuxGlibcLldflags}"
}
type toolchainLinuxGlibcX86 struct {
toolchainLinuxX86
toolchainGlibc
}
type toolchainLinuxGlibcX8664 struct {
toolchainLinuxX8664
toolchainGlibc
}
func (t *toolchainLinuxGlibcX86) ClangTriple() string {
return "i686-linux-gnu"
}
func (t *toolchainLinuxGlibcX86) Cflags() string {
return t.toolchainLinuxX86.Cflags() + " " + t.toolchainGlibc.Cflags()
}
func (t *toolchainLinuxGlibcX86) Ldflags() string {
return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainGlibc.Ldflags()
}
func (t *toolchainLinuxGlibcX86) Lldflags() string {
return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainGlibc.Lldflags()
}
func (t *toolchainLinuxGlibcX8664) ClangTriple() string {
return "x86_64-linux-gnu"
}
func (t *toolchainLinuxGlibcX8664) Cflags() string {
return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainGlibc.Cflags()
}
func (t *toolchainLinuxGlibcX8664) Ldflags() string {
return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainGlibc.Ldflags()
}
func (t *toolchainLinuxGlibcX8664) Lldflags() string {
return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainGlibc.Lldflags()
}
var toolchainLinuxGlibcX86Singleton Toolchain = &toolchainLinuxGlibcX86{}
var toolchainLinuxGlibcX8664Singleton Toolchain = &toolchainLinuxGlibcX8664{}
func linuxGlibcX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxGlibcX86Singleton
}
func linuxGlibcX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxGlibcX8664Singleton
}
// musl specialization of the linux toolchain
type toolchainMusl struct {
}
func (toolchainMusl) Musl() bool { return true }
func (toolchainMusl) CrtBeginStaticBinary() []string { return muslCrtBeginStaticBinary }
func (toolchainMusl) CrtBeginSharedBinary() []string { return muslCrtBeginSharedBinary }
func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
func (toolchainMusl) CrtEndStaticBinary() []string { return muslCrtEndStaticBinary }
func (toolchainMusl) CrtEndSharedBinary() []string { return muslCrtEndSharedBinary }
func (toolchainMusl) CrtEndSharedLibrary() []string { return muslCrtEndSharedLibrary }
func (toolchainMusl) DefaultSharedLibraries() []string { return muslDefaultSharedLibraries }
func (toolchainMusl) Cflags() string {
return "${config.LinuxMuslCflags}"
}
func (toolchainMusl) Ldflags() string {
return "${config.LinuxMuslLdflags}"
}
func (toolchainMusl) Lldflags() string {
return "${config.LinuxMuslLldflags}"
}
type toolchainLinuxMuslX86 struct {
toolchainLinuxX86
toolchainMusl
}
type toolchainLinuxMuslX8664 struct {
toolchainLinuxX8664
toolchainMusl
}
func (t *toolchainLinuxMuslX86) ClangTriple() string {
return "i686-linux-musl"
}
func (t *toolchainLinuxMuslX86) Cflags() string {
return t.toolchainLinuxX86.Cflags() + " " + t.toolchainMusl.Cflags()
}
func (t *toolchainLinuxMuslX86) Ldflags() string {
return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainMusl.Ldflags()
}
func (t *toolchainLinuxMuslX86) Lldflags() string {
return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainMusl.Lldflags()
}
func (t *toolchainLinuxMuslX8664) ClangTriple() string {
return "x86_64-linux-musl"
}
func (t *toolchainLinuxMuslX8664) Cflags() string {
return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainMusl.Cflags()
}
func (t *toolchainLinuxMuslX8664) Ldflags() string {
return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainMusl.Ldflags()
}
func (t *toolchainLinuxMuslX8664) Lldflags() string {
return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainMusl.Lldflags()
}
var toolchainLinuxMuslX86Singleton Toolchain = &toolchainLinuxMuslX86{}
var toolchainLinuxMuslX8664Singleton Toolchain = &toolchainLinuxMuslX8664{}
func linuxMuslX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslX86Singleton
}
func linuxMuslX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxMuslX8664Singleton
}
func init() {
registerToolchainFactory(android.Linux, android.X86, linuxGlibcX86ToolchainFactory)
registerToolchainFactory(android.Linux, android.X86_64, linuxGlibcX8664ToolchainFactory)
registerToolchainFactory(android.LinuxMusl, android.X86, linuxMuslX86ToolchainFactory)
registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxMuslX8664ToolchainFactory)
}