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// Copyright 2015 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"
"path/filepath"
"android/soong/android"
)
type toolchainFactory func(arch android.Arch) Toolchain
var toolchainFactories = make(map[android.OsType]map[android.ArchType]toolchainFactory)
func registerToolchainFactory(os android.OsType, arch android.ArchType, factory toolchainFactory) {
if toolchainFactories[os] == nil {
toolchainFactories[os] = make(map[android.ArchType]toolchainFactory)
}
toolchainFactories[os][arch] = factory
}
func FindToolchain(os android.OsType, arch android.Arch) Toolchain {
factory := toolchainFactories[os][arch.ArchType]
if factory == nil {
panic(fmt.Errorf("Toolchain not found for %s arch %q", os.String(), arch.String()))
return nil
}
return factory(arch)
}
type Toolchain interface {
Name() string
GccRoot() string
GccTriple() string
// GccVersion should return a real value, not a ninja reference
GccVersion() string
ToolPath() string
ToolchainCflags() string
ToolchainLdflags() string
Cflags() string
Cppflags() string
Ldflags() string
IncludeFlags() string
InstructionSetFlags(string) (string, error)
ClangSupported() bool
ClangTriple() string
ToolchainClangCflags() string
ToolchainClangLdflags() string
ClangAsflags() string
ClangCflags() string
ClangCppflags() string
ClangLdflags() string
ClangInstructionSetFlags(string) (string, error)
YasmFlags() string
WindresFlags() string
Is64Bit() bool
ShlibSuffix() string
ExecutableSuffix() string
SanitizerRuntimeLibraryArch() string
AvailableLibraries() []string
Bionic() bool
}
type toolchainBase struct {
}
func (toolchainBase) InstructionSetFlags(s string) (string, error) {
if s != "" {
return "", fmt.Errorf("instruction_set: %s is not a supported instruction set", s)
}
return "", nil
}
func (toolchainBase) ClangInstructionSetFlags(s string) (string, error) {
if s != "" {
return "", fmt.Errorf("instruction_set: %s is not a supported instruction set", s)
}
return "", nil
}
func (toolchainBase) ToolchainCflags() string {
return ""
}
func (toolchainBase) ToolchainLdflags() string {
return ""
}
func (toolchainBase) ToolchainClangCflags() string {
return ""
}
func (toolchainBase) ToolchainClangLdflags() string {
return ""
}
func (toolchainBase) ClangSupported() bool {
return true
}
func (toolchainBase) ShlibSuffix() string {
return ".so"
}
func (toolchainBase) ExecutableSuffix() string {
return ""
}
func (toolchainBase) ClangAsflags() string {
return ""
}
func (toolchainBase) YasmFlags() string {
return ""
}
func (toolchainBase) WindresFlags() string {
return ""
}
func (toolchainBase) SanitizerRuntimeLibraryArch() string {
return ""
}
func (toolchainBase) AvailableLibraries() []string {
return []string{}
}
func (toolchainBase) Bionic() bool {
return true
}
func (t toolchainBase) ToolPath() string {
return ""
}
type toolchain64Bit struct {
toolchainBase
}
func (toolchain64Bit) Is64Bit() bool {
return true
}
type toolchain32Bit struct {
toolchainBase
}
func (toolchain32Bit) Is64Bit() bool {
return false
}
func copyVariantFlags(m map[string][]string) map[string][]string {
ret := make(map[string][]string, len(m))
for k, v := range m {
l := make([]string, len(m[k]))
for i := range m[k] {
l[i] = v[i]
}
ret[k] = l
}
return ret
}
func variantOrDefault(variants map[string]string, choice string) string {
if ret, ok := variants[choice]; ok {
return ret
}
return variants[""]
}
func addPrefix(list []string, prefix string) []string {
for i := range list {
list[i] = prefix + list[i]
}
return list
}
func SanitizerRuntimeLibrary(t Toolchain, sanitizer string) string {
arch := t.SanitizerRuntimeLibraryArch()
if arch == "" {
return ""
}
return "libclang_rt." + sanitizer + "-" + arch + "-android"
}
func AddressSanitizerRuntimeLibrary(t Toolchain) string {
return SanitizerRuntimeLibrary(t, "asan")
}
func UndefinedBehaviorSanitizerRuntimeLibrary(t Toolchain) string {
return SanitizerRuntimeLibrary(t, "ubsan_standalone")
}
func ThreadSanitizerRuntimeLibrary(t Toolchain) string {
return SanitizerRuntimeLibrary(t, "tsan")
}
func ProfileRuntimeLibrary(t Toolchain) string {
return SanitizerRuntimeLibrary(t, "profile")
}
func ToolPath(t Toolchain) string {
if p := t.ToolPath(); p != "" {
return p
}
return filepath.Join(t.GccRoot(), t.GccTriple(), "bin")
}
var inList = android.InList
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