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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"
"strings"
"android/soong/android"
)
var (
x86Cflags = []string{
"-msse3",
// -mstackrealign is needed to realign stack in native code
// that could be called from JNI, so that movaps instruction
// will work on assumed stack aligned local variables.
"-mstackrealign",
}
x86Cppflags = []string{}
x86Ldflags = []string{
"-Wl,--hash-style=gnu",
}
x86ArchVariantCflags = map[string][]string{
"": []string{
"-march=prescott",
},
"x86_64": []string{
"-march=prescott",
},
"atom": []string{
"-march=atom",
},
"broadwell": []string{
"-march=broadwell",
},
"haswell": []string{
"-march=core-avx2",
},
"ivybridge": []string{
"-march=core-avx-i",
},
"sandybridge": []string{
"-march=corei7",
},
"silvermont": []string{
"-march=slm",
},
"skylake": []string{
"-march=skylake",
},
"stoneyridge": []string{
"-march=bdver4",
},
}
x86ArchFeatureCflags = map[string][]string{
"ssse3": []string{"-mssse3"},
"sse4": []string{"-msse4"},
"sse4_1": []string{"-msse4.1"},
"sse4_2": []string{"-msse4.2"},
// Not all cases there is performance gain by enabling -mavx -mavx2
// flags so these flags are not enabled by default.
// if there is performance gain in individual library components,
// the compiler flags can be set in corresponding bp files.
// "avx": []string{"-mavx"},
// "avx2": []string{"-mavx2"},
// "avx512": []string{"-mavx512"}
"aes_ni": []string{"-maes"},
}
)
const (
x86GccVersion = "4.9"
)
func init() {
pctx.StaticVariable("x86GccVersion", x86GccVersion)
pctx.SourcePathVariable("X86GccRoot",
"prebuilts/gcc/${HostPrebuiltTag}/x86/x86_64-linux-android-${x86GccVersion}")
exportedVars.ExportStringListStaticVariable("X86ToolchainCflags", []string{"-m32"})
exportedVars.ExportStringListStaticVariable("X86ToolchainLdflags", []string{"-m32"})
exportedVars.ExportStringListStaticVariable("X86Ldflags", x86Ldflags)
exportedVars.ExportStringListStaticVariable("X86Lldflags", x86Ldflags)
// Clang cflags
exportedVars.ExportStringListStaticVariable("X86Cflags", x86Cflags)
exportedVars.ExportStringListStaticVariable("X86Cppflags", x86Cppflags)
// Yasm flags
exportedVars.ExportStringListStaticVariable("X86YasmFlags", []string{
"-f elf32",
"-m x86",
})
// Extended cflags
exportedVars.ExportStringListDict("X86ArchVariantCflags", x86ArchVariantCflags)
exportedVars.ExportStringListDict("X86ArchFeatureCflags", x86ArchFeatureCflags)
// Architecture variant cflags
for variant, cflags := range x86ArchVariantCflags {
pctx.StaticVariable("X86"+variant+"VariantCflags", strings.Join(cflags, " "))
}
}
type toolchainX86 struct {
toolchainBionic
toolchain32Bit
toolchainCflags string
}
func (t *toolchainX86) Name() string {
return "x86"
}
func (t *toolchainX86) GccRoot() string {
return "${config.X86GccRoot}"
}
func (t *toolchainX86) GccTriple() string {
return "x86_64-linux-android"
}
func (t *toolchainX86) GccVersion() string {
return x86GccVersion
}
func (t *toolchainX86) IncludeFlags() string {
return ""
}
func (t *toolchainX86) ClangTriple() string {
return "i686-linux-android"
}
func (t *toolchainX86) ToolchainLdflags() string {
return "${config.X86ToolchainLdflags}"
}
func (t *toolchainX86) ToolchainCflags() string {
return t.toolchainCflags
}
func (t *toolchainX86) Cflags() string {
return "${config.X86Cflags}"
}
func (t *toolchainX86) Cppflags() string {
return "${config.X86Cppflags}"
}
func (t *toolchainX86) Ldflags() string {
return "${config.X86Ldflags}"
}
func (t *toolchainX86) Lldflags() string {
return "${config.X86Lldflags}"
}
func (t *toolchainX86) YasmFlags() string {
return "${config.X86YasmFlags}"
}
func (toolchainX86) LibclangRuntimeLibraryArch() string {
return "i686"
}
func x86ToolchainFactory(arch android.Arch) Toolchain {
// Error now rather than having a confusing Ninja error
if _, ok := x86ArchVariantCflags[arch.ArchVariant]; !ok {
panic(fmt.Sprintf("Unknown x86 architecture version: %q", arch.ArchVariant))
}
toolchainCflags := []string{
"${config.X86ToolchainCflags}",
"${config.X86" + arch.ArchVariant + "VariantCflags}",
}
for _, feature := range arch.ArchFeatures {
toolchainCflags = append(toolchainCflags, x86ArchFeatureCflags[feature]...)
}
return &toolchainX86{
toolchainCflags: strings.Join(toolchainCflags, " "),
}
}
func init() {
registerToolchainFactory(android.Android, android.X86, x86ToolchainFactory)
}