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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 (
"android/soong/android"
)
type toolchainLFIArm64 struct {
toolchainLFI
toolchain64Bit
toolchainLdflags string
toolchainCflags string
}
func (t *toolchainLFIArm64) Name() string {
return "arm64_lfi"
}
func (t *toolchainLFIArm64) IncludeFlags() string {
return ""
}
func (t *toolchainLFIArm64) ClangTriple() string {
return "aarch64_lfi-unknown-linux-android30"
}
func (t *toolchainLFIArm64) Cflags() string {
return "${config.Arm64Cflags} -mno-outline-atomics"
}
func (t *toolchainLFIArm64) Cppflags() string {
return "${config.Arm64Cppflags}"
}
func (t *toolchainLFIArm64) Ldflags(ctx ToolchainFlagsContext) FlagsWithDeps {
return FlagsWithDeps{
Flags: "${config.Arm64Ldflags}",
}
}
func (t *toolchainLFIArm64) ToolchainCflags() string {
return t.toolchainCflags
}
func (t *toolchainLFIArm64) ToolchainLdflags() FlagsWithDeps {
return FlagsWithDeps{
Flags: t.toolchainLdflags,
}
}
func (toolchainLFIArm64) LibclangRuntimeLibraryArch() string {
return "aarch64"
}
func arm64LFIToolchainFactory(arch android.Arch) Toolchain {
// Force armv8-a when compiling for lfi, as that's all the lfi compiler supports for now.
arch = android.Arch{
ArchType: android.Arm64,
ArchVariant: "armv8-a",
CpuVariant: "cortex-a53",
Abi: []string{"arm64-v8a"},
ArchFeatures: []string{"branchprot"},
}
toolchainCflags, toolchainLdflags := arm64ToolchainFlags(arch)
return &toolchainLFIArm64{
toolchainCflags: toolchainCflags,
toolchainLdflags: toolchainLdflags,
}
}
func init() {
registerLFIToolchainFactory(android.Android, android.Arm64, arm64LFIToolchainFacto
ry)
}