49e8f25966
We patched our ancient glibc to match current glibc (and bionic/musl). Test: treehugger Change-Id: I6377b5dfb94d3a0e2209d4c2f0661ef81d362fc3
406 lines
11 KiB
Go
406 lines
11 KiB
Go
// Copyright 2016 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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"strings"
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"android/soong/android"
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)
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var (
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linuxCflags = []string{
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"-Wa,--noexecstack",
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"-fPIC",
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"-U_FORTIFY_SOURCE",
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"-D_FORTIFY_SOURCE=2",
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"-fstack-protector",
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"--gcc-toolchain=${LinuxGccRoot}",
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"-fstack-protector-strong",
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}
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linuxGlibcCflags = []string{
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"--sysroot ${LinuxGccRoot}/sysroot",
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}
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linuxMuslCflags = []string{
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"-D_LIBCPP_HAS_MUSL_LIBC",
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"-DANDROID_HOST_MUSL",
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"-nostdlibinc",
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"--sysroot /dev/null",
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}
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linuxLdflags = []string{
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"-Wl,-z,noexecstack",
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"-Wl,-z,relro",
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"-Wl,-z,now",
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"-Wl,--no-undefined-version",
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"--gcc-toolchain=${LinuxGccRoot}",
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}
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linuxLldflags = append(linuxLdflags,
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"-Wl,--compress-debug-sections=zstd",
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)
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linuxGlibcLdflags = []string{
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"--sysroot ${LinuxGccRoot}/sysroot",
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}
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linuxMuslLdflags = []string{
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"-nostdlib",
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"--sysroot /dev/null",
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}
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// Extended cflags
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linuxX86Cflags = []string{
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"-msse3",
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"-m32",
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"-march=prescott",
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"-D_FILE_OFFSET_BITS=64",
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"-D_LARGEFILE_SOURCE=1",
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}
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linuxX8664Cflags = []string{
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"-m64",
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}
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linuxX86Ldflags = []string{
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"-m32",
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"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
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"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
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"-L${LinuxGccRoot}/${LinuxGccTriple}/lib32",
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}
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linuxX8664Ldflags = []string{
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"-m64",
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"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
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"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
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"-L${LinuxGccRoot}/${LinuxGccTriple}/lib64",
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}
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linuxAvailableLibraries = addPrefix([]string{
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"c",
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"dl",
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"gcc",
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"gcc_s",
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"m",
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"ncurses",
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"pthread",
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"resolv",
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"rt",
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"util",
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}, "-l")
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muslCrtBeginStaticBinary, muslCrtEndStaticBinary = []string{"libc_musl_crtbegin_static"}, []string{"libc_musl_crtend"}
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muslCrtBeginSharedBinary, muslCrtEndSharedBinary = []string{"libc_musl_crtbegin_dynamic"}, []string{"libc_musl_crtend"}
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muslCrtBeginSharedLibrary, muslCrtEndSharedLibrary = []string{"libc_musl_crtbegin_so"}, []string{"libc_musl_crtend_so"}
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MuslDefaultSharedLibraries = []string{"libc_musl"}
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)
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const (
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linuxGccVersion = "4.8.3"
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linuxGlibcVersion = "2.17"
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)
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func init() {
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exportedVars.ExportStringStaticVariable("LinuxGccVersion", linuxGccVersion)
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exportedVars.ExportStringStaticVariable("LinuxGlibcVersion", linuxGlibcVersion)
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// Most places use the full GCC version. A few only use up to the first two numbers.
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if p := strings.Split(linuxGccVersion, "."); len(p) > 2 {
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exportedVars.ExportStringStaticVariable("ShortLinuxGccVersion", strings.Join(p[:2], "."))
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} else {
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exportedVars.ExportStringStaticVariable("ShortLinuxGccVersion", linuxGccVersion)
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}
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exportedVars.ExportSourcePathVariable("LinuxGccRoot",
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"prebuilts/gcc/linux-x86/host/x86_64-linux-glibc${LinuxGlibcVersion}-${ShortLinuxGccVersion}")
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exportedVars.ExportStringListStaticVariable("LinuxGccTriple", []string{"x86_64-linux"})
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exportedVars.ExportStringListStaticVariable("LinuxCflags", linuxCflags)
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exportedVars.ExportStringListStaticVariable("LinuxLdflags", linuxLdflags)
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exportedVars.ExportStringListStaticVariable("LinuxLldflags", linuxLldflags)
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exportedVars.ExportStringListStaticVariable("LinuxGlibcCflags", linuxGlibcCflags)
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exportedVars.ExportStringListStaticVariable("LinuxGlibcLdflags", linuxGlibcLdflags)
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exportedVars.ExportStringListStaticVariable("LinuxGlibcLldflags", linuxGlibcLdflags)
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exportedVars.ExportStringListStaticVariable("LinuxMuslCflags", linuxMuslCflags)
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exportedVars.ExportStringListStaticVariable("LinuxMuslLdflags", linuxMuslLdflags)
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exportedVars.ExportStringListStaticVariable("LinuxMuslLldflags", linuxMuslLdflags)
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exportedVars.ExportStringListStaticVariable("LinuxX86Cflags", linuxX86Cflags)
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exportedVars.ExportStringListStaticVariable("LinuxX8664Cflags", linuxX8664Cflags)
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exportedVars.ExportStringListStaticVariable("LinuxX86Ldflags", linuxX86Ldflags)
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exportedVars.ExportStringListStaticVariable("LinuxX86Lldflags", linuxX86Ldflags)
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exportedVars.ExportStringListStaticVariable("LinuxX8664Ldflags", linuxX8664Ldflags)
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exportedVars.ExportStringListStaticVariable("LinuxX8664Lldflags", linuxX8664Ldflags)
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// Yasm flags
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exportedVars.ExportStringListStaticVariable("LinuxX86YasmFlags", []string{"-f elf32 -m x86"})
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exportedVars.ExportStringListStaticVariable("LinuxX8664YasmFlags", []string{"-f elf64 -m amd64"})
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}
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type toolchainLinux struct {
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toolchainBase
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cFlags, ldFlags string
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}
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type toolchainLinuxX86 struct {
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toolchain32Bit
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toolchainLinux
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}
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type toolchainLinuxX8664 struct {
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toolchain64Bit
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toolchainLinux
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}
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func (t *toolchainLinuxX86) Name() string {
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return "x86"
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}
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func (t *toolchainLinuxX8664) Name() string {
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return "x86_64"
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}
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func (t *toolchainLinux) IncludeFlags() string {
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return ""
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}
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func (t *toolchainLinuxX86) Cflags() string {
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return "${config.LinuxCflags} ${config.LinuxX86Cflags}"
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}
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func (t *toolchainLinuxX86) Cppflags() string {
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return ""
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}
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func (t *toolchainLinuxX8664) Cflags() string {
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return "${config.LinuxCflags} ${config.LinuxX8664Cflags}"
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}
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func (t *toolchainLinuxX8664) Cppflags() string {
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return ""
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}
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func (t *toolchainLinuxX86) Ldflags() string {
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return "${config.LinuxLdflags} ${config.LinuxX86Ldflags}"
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}
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func (t *toolchainLinuxX86) Lldflags() string {
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return "${config.LinuxLldflags} ${config.LinuxX86Lldflags}"
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}
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func (t *toolchainLinuxX8664) Ldflags() string {
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return "${config.LinuxLdflags} ${config.LinuxX8664Ldflags}"
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}
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func (t *toolchainLinuxX8664) Lldflags() string {
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return "${config.LinuxLldflags} ${config.LinuxX8664Lldflags}"
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}
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func (t *toolchainLinuxX86) YasmFlags() string {
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return "${config.LinuxX86YasmFlags}"
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}
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func (t *toolchainLinuxX8664) YasmFlags() string {
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return "${config.LinuxX8664YasmFlags}"
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}
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func (toolchainLinuxX86) LibclangRuntimeLibraryArch() string {
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return "i386"
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}
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func (toolchainLinuxX8664) LibclangRuntimeLibraryArch() string {
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return "x86_64"
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}
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func (t *toolchainLinux) AvailableLibraries() []string {
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return linuxAvailableLibraries
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}
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func (toolchainLinux) ShlibSuffix() string {
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return ".so"
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}
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func (toolchainLinux) ExecutableSuffix() string {
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return ""
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}
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// glibc specialization of the linux toolchain
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type toolchainGlibc struct {
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toolchainNoCrt
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}
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func (toolchainGlibc) Glibc() bool { return true }
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func (toolchainGlibc) Cflags() string {
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return "${config.LinuxGlibcCflags}"
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}
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func (toolchainGlibc) Ldflags() string {
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return "${config.LinuxGlibcLdflags}"
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}
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func (toolchainGlibc) Lldflags() string {
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return "${config.LinuxGlibcLldflags}"
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}
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type toolchainLinuxGlibcX86 struct {
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toolchainLinuxX86
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toolchainGlibc
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}
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type toolchainLinuxGlibcX8664 struct {
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toolchainLinuxX8664
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toolchainGlibc
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}
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func (t *toolchainLinuxGlibcX86) ClangTriple() string {
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return "i686-linux-gnu"
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}
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func (t *toolchainLinuxGlibcX86) Cflags() string {
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return t.toolchainLinuxX86.Cflags() + " " + t.toolchainGlibc.Cflags()
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}
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func (t *toolchainLinuxGlibcX86) Ldflags() string {
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return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainGlibc.Ldflags()
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}
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func (t *toolchainLinuxGlibcX86) Lldflags() string {
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return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainGlibc.Lldflags()
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}
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func (t *toolchainLinuxGlibcX8664) ClangTriple() string {
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return "x86_64-linux-gnu"
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}
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func (t *toolchainLinuxGlibcX8664) Cflags() string {
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return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainGlibc.Cflags()
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}
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func (t *toolchainLinuxGlibcX8664) Ldflags() string {
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return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainGlibc.Ldflags()
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}
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func (t *toolchainLinuxGlibcX8664) Lldflags() string {
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return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainGlibc.Lldflags()
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}
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var toolchainLinuxGlibcX86Singleton Toolchain = &toolchainLinuxGlibcX86{}
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var toolchainLinuxGlibcX8664Singleton Toolchain = &toolchainLinuxGlibcX8664{}
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func linuxGlibcX86ToolchainFactory(arch android.Arch) Toolchain {
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return toolchainLinuxGlibcX86Singleton
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}
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func linuxGlibcX8664ToolchainFactory(arch android.Arch) Toolchain {
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return toolchainLinuxGlibcX8664Singleton
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}
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// musl specialization of the linux toolchain
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type toolchainMusl struct {
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}
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func (toolchainMusl) Musl() bool { return true }
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func (toolchainMusl) CrtBeginStaticBinary() []string { return muslCrtBeginStaticBinary }
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func (toolchainMusl) CrtBeginSharedBinary() []string { return muslCrtBeginSharedBinary }
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func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
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func (toolchainMusl) CrtEndStaticBinary() []string { return muslCrtEndStaticBinary }
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func (toolchainMusl) CrtEndSharedBinary() []string { return muslCrtEndSharedBinary }
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func (toolchainMusl) CrtEndSharedLibrary() []string { return muslCrtEndSharedLibrary }
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func (toolchainMusl) CrtPadSegmentSharedLibrary() []string { return nil }
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func (toolchainMusl) DefaultSharedLibraries() []string { return MuslDefaultSharedLibraries }
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func (toolchainMusl) Cflags() string {
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return "${config.LinuxMuslCflags}"
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}
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func (toolchainMusl) Ldflags() string {
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return "${config.LinuxMuslLdflags}"
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}
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func (toolchainMusl) Lldflags() string {
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return "${config.LinuxMuslLldflags}"
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}
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type toolchainLinuxMuslX86 struct {
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toolchainLinuxX86
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toolchainMusl
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}
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type toolchainLinuxMuslX8664 struct {
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toolchainLinuxX8664
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toolchainMusl
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}
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func (t *toolchainLinuxMuslX86) ClangTriple() string {
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return "i686-linux-musl"
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}
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func (t *toolchainLinuxMuslX86) Cflags() string {
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return t.toolchainLinuxX86.Cflags() + " " + t.toolchainMusl.Cflags()
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}
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func (t *toolchainLinuxMuslX86) Ldflags() string {
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return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainMusl.Ldflags()
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}
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func (t *toolchainLinuxMuslX86) Lldflags() string {
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return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainMusl.Lldflags()
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}
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func (t *toolchainLinuxMuslX8664) ClangTriple() string {
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return "x86_64-linux-musl"
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}
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func (t *toolchainLinuxMuslX8664) Cflags() string {
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return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainMusl.Cflags()
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}
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func (t *toolchainLinuxMuslX8664) Ldflags() string {
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return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainMusl.Ldflags()
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}
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func (t *toolchainLinuxMuslX8664) Lldflags() string {
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return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainMusl.Lldflags()
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}
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var toolchainLinuxMuslX86Singleton Toolchain = &toolchainLinuxMuslX86{}
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var toolchainLinuxMuslX8664Singleton Toolchain = &toolchainLinuxMuslX8664{}
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func linuxMuslX86ToolchainFactory(arch android.Arch) Toolchain {
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return toolchainLinuxMuslX86Singleton
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}
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func linuxMuslX8664ToolchainFactory(arch android.Arch) Toolchain {
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return toolchainLinuxMuslX8664Singleton
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}
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func init() {
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registerToolchainFactory(android.Linux, android.X86, linuxGlibcX86ToolchainFactory)
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registerToolchainFactory(android.Linux, android.X86_64, linuxGlibcX8664ToolchainFactory)
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registerToolchainFactory(android.LinuxMusl, android.X86, linuxMuslX86ToolchainFactory)
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registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxMuslX8664ToolchainFactory)
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}
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