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// 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 (
linuxBionicCflags = ClangFilterUnknownCflags([]string{
"-fdiagnostics-color",
"-Wa,--noexecstack",
"-fPIC",
"-U_FORTIFY_SOURCE",
"-D_FORTIFY_SOURCE=2",
"-fstack-protector-strong",
// From x86_64_device
"-ffunction-sections",
"-finline-functions",
"-finline-limit=300",
"-fno-short-enums",
"-funswitch-loops",
"-funwind-tables",
"-fno-canonical-system-headers",
// Tell clang where the gcc toolchain is
"--gcc-toolchain=${LinuxBionicGccRoot}",
// This is normally in ClangExtraTargetCflags, but this is considered host
"-nostdlibinc",
})
linuxBionicLdflags = ClangFilterUnknownCflags([]string{
"-Wl,-z,noexecstack",
"-Wl,-z,relro",
"-Wl,-z,now",
"-Wl,--build-id=md5",
"-Wl,--warn-shared-textrel",
"-Wl,--fatal-warnings",
"-Wl,--hash-style=gnu",
"-Wl,--no-undefined-version",
// Use the device gcc toolchain
"--gcc-toolchain=${LinuxBionicGccRoot}",
})
linuxBionicLldflags = ClangFilterUnknownLldflags(linuxBionicLdflags)
)
func init() {
pctx.StaticVariable("LinuxBionicCflags", strings.Join(linuxBionicCflags, " "))
pctx.StaticVariable("LinuxBionicLdflags", strings.Join(linuxBionicLdflags, " "))
pctx.StaticVariable("LinuxBionicLldflags", strings.Join(linuxBionicLldflags, " "))
// Use the device gcc toolchain for now
pctx.StaticVariable("LinuxBionicGccRoot", "${X86_64GccRoot}")
}
type toolchainLinuxBionic struct {
toolchain64Bit
}
func (t *toolchainLinuxBionic) Name() string {
return "x86_64"
}
func (t *toolchainLinuxBionic) GccRoot() string {
return "${config.LinuxBionicGccRoot}"
}
func (t *toolchainLinuxBionic) GccTriple() string {
return "x86_64-linux-android"
}
func (t *toolchainLinuxBionic) GccVersion() string {
return "4.9"
}
func (t *toolchainLinuxBionic) IncludeFlags() string {
return ""
}
func (t *toolchainLinuxBionic) ClangTriple() string {
// TODO: we don't have a triple yet b/31393676
return "x86_64-linux-android"
}
func (t *toolchainLinuxBionic) ClangCflags() string {
return "${config.LinuxBionicCflags}"
}
func (t *toolchainLinuxBionic) ClangCppflags() string {
return ""
}
func (t *toolchainLinuxBionic) ClangLdflags() string {
return "${config.LinuxBionicLdflags}"
}
func (t *toolchainLinuxBionic) ClangLldflags() string {
return "${config.LinuxBionicLldflags}"
}
func (t *toolchainLinuxBionic) ToolchainClangCflags() string {
return "-m64 -march=x86-64" +
// TODO: We're not really android, but we don't have a triple yet b/31393676
" -U__ANDROID__"
}
func (t *toolchainLinuxBionic) ToolchainClangLdflags() string {
return "-m64"
}
func (t *toolchainLinuxBionic) AvailableLibraries() []string {
return nil
}
func (t *toolchainLinuxBionic) Bionic() bool {
return true
}
func (toolchainLinuxBionic) LibclangRuntimeLibraryArch() string {
return "x86_64"
}
var toolchainLinuxBionicSingleton Toolchain = &toolchainLinuxBionic{}
func linuxBionicToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxBionicSingleton
}
func init() {
registerToolchainFactory(android.LinuxBionic, android.X86_64, linuxBionicToolchainFactory)
}