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// Copyright 2019 The Android Open Source Project
//
// 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 (
"android/soong/android"
)
type Toolchain interface {
RustTriple() string
ToolchainRustFlags() string
ToolchainLinkFlags() string
SharedLibSuffix() string
StaticLibSuffix() string
RlibSuffix() string
DylibSuffix() string
ProcMacroSuffix() string
ExecutableSuffix() string
Is64Bit() bool
Supported() bool
Bionic() bool
}
type toolchainBase struct {
}
func (toolchainBase) RustTriple() string {
panic("toolchainBase does not define a triple.")
}
func (toolchainBase) ToolchainRustFlags() string {
panic("toolchainBase does not provide rust flags.")
}
func (toolchainBase) ToolchainLinkFlags() string {
panic("toolchainBase does not provide link flags.")
}
func (toolchainBase) Is64Bit() bool {
panic("toolchainBase cannot determine datapath width.")
}
func (toolchainBase) Bionic() bool {
return true
}
type toolchain64Bit struct {
toolchainBase
}
func (toolchain64Bit) Is64Bit() bool {
return true
}
type toolchain32Bit struct {
toolchainBase
}
func (toolchain32Bit) Is64Bit() bool {
return false
}
func (toolchain32Bit) Bionic() bool {
return true
}
func (toolchainBase) ExecutableSuffix() string {
return ""
}
func (toolchainBase) SharedLibSuffix() string {
return ".so"
}
func (toolchainBase) StaticLibSuffix() string {
return ".a"
}
func (toolchainBase) RlibSuffix() string {
return ".rlib"
}
func (toolchainBase) DylibSuffix() string {
return ".dylib.so"
}
func (toolchainBase) ProcMacroSuffix() string {
return ".so"
}
func (toolchainBase) Supported() bool {
return false
}
func toolchainBaseFactory() Toolchain {
return &toolchainBase{}
}
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 {
return toolchainBaseFactory()
}
return factory(arch)
}
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