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- 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",
- // 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",
- "-Wl,--fix-cortex-a53-843419",
- // 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",
- "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 ${LibmRoot}/include/arm64",
- }, " "))
- pctx.StaticVariable("arm64ClangCflags", strings.Join(clangFilterUnknownCflags(arm64Cflags), " "))
- pctx.StaticVariable("arm64ClangLdflags", strings.Join(clangFilterUnknownCflags(arm64Ldflags), " "))
- pctx.StaticVariable("arm64ClangCppflags", strings.Join(clangFilterUnknownCflags(arm64Cppflags), " "))
- }
- type toolchainArm64 struct {
- toolchain64Bit
- }
- var toolchainArm64Singleton = &toolchainArm64{}
- func (t *toolchainArm64) Name() string {
- return "arm64"
- }
- func (t *toolchainArm64) GccRoot() string {
- return "${arm64GccRoot}"
- }
- func (t *toolchainArm64) GccTriple() string {
- return "${arm64GccTriple}"
- }
- func (t *toolchainArm64) GccVersion() string {
- return "${arm64GccVersion}"
- }
- func (t *toolchainArm64) Cflags() string {
- return "${arm64Cflags}"
- }
- func (t *toolchainArm64) Cppflags() string {
- return "${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)
- }
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