platform_build_soong/cc/arm64_device.go

138 lines
3.4 KiB
Go

package cc
import (
"strings"
"android/soong/common"
)
var (
arm64Cflags = []string{
"-fno-exceptions", // from build/core/combo/select.mk
"-Wno-multichar", // from build/core/combo/select.mk
"-fno-strict-aliasing",
"-fstack-protector",
"-ffunction-sections",
"-fdata-sections",
"-funwind-tables",
"-Wa,--noexecstack",
"-Werror=format-security",
"-D_FORTIFY_SOURCE=2",
"-fno-short-enums",
"-no-canonical-prefixes",
"-fno-canonical-system-headers",
"-include ${SrcDir}/build/core/combo/include/arch/linux-arm64/AndroidConfig.h",
// Help catch common 32/64-bit errors.
"-Werror=pointer-to-int-cast",
"-Werror=int-to-pointer-cast",
"-fno-strict-volatile-bitfields",
// TARGET_RELEASE_CFLAGS
"-DNDEBUG",
"-O2 -g",
"-Wstrict-aliasing=2",
"-fgcse-after-reload",
"-frerun-cse-after-loop",
"-frename-registers",
}
arm64Ldflags = []string{
"-Wl,-z,noexecstack",
"-Wl,-z,relro",
"-Wl,-z,now",
"-Wl,--build-id=md5",
"-Wl,--warn-shared-textrel",
"-Wl,--fatal-warnings",
"-Wl,-maarch64linux",
"-Wl,--hash-style=gnu",
// Disable transitive dependency library symbol resolving.
"-Wl,--allow-shlib-undefined",
}
arm64Cppflags = []string{
"-fvisibility-inlines-hidden",
}
)
func init() {
pctx.StaticVariable("arm64GccVersion", "4.9")
pctx.StaticVariable("arm64GccRoot",
"${SrcDir}/prebuilts/gcc/${HostPrebuiltTag}/aarch64/aarch64-linux-android-${arm64GccVersion}")
pctx.StaticVariable("arm64GccTriple", "aarch64-linux-android")
pctx.StaticVariable("arm64Cflags", strings.Join(arm64Cflags, " "))
pctx.StaticVariable("arm64Ldflags", strings.Join(arm64Ldflags, " "))
pctx.StaticVariable("arm64Cppflags", strings.Join(arm64Cppflags, " "))
pctx.StaticVariable("arm64IncludeFlags", strings.Join([]string{
"-isystem ${LibcRoot}/arch-arm64/include",
"-isystem ${LibcRoot}/include",
"-isystem ${LibcRoot}/kernel/uapi",
"-isystem ${LibcRoot}/kernel/uapi/asm-arm64",
"-isystem ${LibmRoot}/include",
"-isystem ${LibmRoot}/include/arm64",
}, " "))
pctx.StaticVariable("arm64ClangCflags", strings.Join(clangFilterUnknownCflags(arm64Cflags), " "))
pctx.StaticVariable("arm64ClangLdflags", strings.Join(clangFilterUnknownCflags(arm64Ldflags), " "))
pctx.StaticVariable("arm64ClangCppflags", strings.Join(clangFilterUnknownCflags(arm64Cppflags), " "))
}
type toolchainArm64 struct {
toolchain64Bit
}
var toolchainArm64Singleton = &toolchainArm64{}
func (t *toolchainArm64) GccRoot() string {
return "${arm64GccRoot}"
}
func (t *toolchainArm64) GccTriple() string {
return "${arm64GccTriple}"
}
func (t *toolchainArm64) Cflags() string {
return "${arm64Cflags} ${arm64IncludeFlags}"
}
func (t *toolchainArm64) Cppflags() string {
return "${arm64Cppflags}"
}
func (t *toolchainArm64) Ldflags() string {
return "${arm64Ldflags}"
}
func (t *toolchainArm64) IncludeFlags() string {
return "${arm64IncludeFlags}"
}
func (t *toolchainArm64) ClangTriple() string {
return "${arm64GccTriple}"
}
func (t *toolchainArm64) ClangCflags() string {
return "${arm64ClangCflags}"
}
func (t *toolchainArm64) ClangCppflags() string {
return "${arm64ClangCppflags}"
}
func (t *toolchainArm64) ClangLdflags() string {
return "${arm64Ldflags}"
}
func arm64ToolchainFactory(archVariant string, cpuVariant string) toolchain {
return toolchainArm64Singleton
}
func init() {
registerToolchainFactory(common.Device, common.Arm64, arm64ToolchainFactory)
}